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1.1 bertrand 1: /*
2: ================================================================================
1.36 bertrand 3: RPL/2 (R) version 4.1.3
1.23 bertrand 4: Copyright (C) 1989-2011 Dr. BERTRAND Joël
1.1 bertrand 5:
6: This file is part of RPL/2.
7:
8: RPL/2 is free software; you can redistribute it and/or modify it
9: under the terms of the CeCILL V2 License as published by the french
10: CEA, CNRS and INRIA.
11:
12: RPL/2 is distributed in the hope that it will be useful, but WITHOUT
13: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14: FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL V2 License
15: for more details.
16:
17: You should have received a copy of the CeCILL License
18: along with RPL/2. If not, write to info@cecill.info.
19: ================================================================================
20: */
21:
22:
1.17 bertrand 23: #include "rpl-conv.h"
1.1 bertrand 24:
25:
26: /*
27: ================================================================================
28: Fonction 'sort'
29: ================================================================================
30: Entrées :
31: --------------------------------------------------------------------------------
32: Sorties :
33: --------------------------------------------------------------------------------
34: Effets de bord : néant
35: ================================================================================
36: */
37:
38: void
39: instruction_sort(struct_processus *s_etat_processus)
40: {
41: integer8 i;
42: integer8 j;
43: integer8 nombre_elements;
44:
45: logical1 condition;
46: logical1 inversion;
47: logical1 presence_nom;
48: logical1 terminaison_boucle_1;
49: logical1 terminaison_boucle_2;
50: logical1 terminaison_boucle_3;
51: logical1 variable_partagee;
52:
53: struct_liste_chainee *l_element_courant;
54: struct_liste_chainee *l_element_precedent;
55: struct_liste_chainee *l_element_tampon;
56:
57: struct_objet *s_objet_copie;
58: struct_objet *s_objet_critere;
59: struct_objet *s_objet_liste;
1.16 bertrand 60: struct_objet *s_objet_registre;
1.1 bertrand 61: struct_objet *s_objet_test;
62:
63: signed long indice_i;
64: signed long indice_j;
65: signed long indice_k;
66: signed long indice_l;
67:
68: unsigned long ecartement;
69:
70: (*s_etat_processus).erreur_execution = d_ex;
71:
72: if ((*s_etat_processus).affichage_arguments == 'Y')
73: {
74: printf("\n SORT ");
75:
76: if ((*s_etat_processus).langue == 'F')
77: {
78: printf("(trie une liste selon un critère paramétrable)\n\n");
79: }
80: else
81: {
82: printf("(sort a list)\n\n");
83: }
84:
85: printf(" 2: %s\n", d_LST);
86: printf(" 1: %s\n", d_RPN);
87: printf("-> 1: %s\n\n", d_LST);
88:
89: printf(" 2: %s\n", d_TAB);
90: printf(" 1: %s\n", d_RPN);
91: printf("-> 1: %s\n\n", d_LST);
92:
93: printf(" 2: %s\n", d_NOM);
94: printf(" 1: %s\n", d_RPN);
95:
96: return;
97: }
98: else if ((*s_etat_processus).test_instruction == 'Y')
99: {
100: (*s_etat_processus).nombre_arguments = -1;
101: return;
102: }
103:
104: if (test_cfsf(s_etat_processus, 31) == d_vrai)
105: {
106: if (empilement_pile_last(s_etat_processus, 2) == d_erreur)
107: {
108: return;
109: }
110: }
111:
112: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
113: &s_objet_critere) == d_erreur)
114: {
115: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
116: return;
117: }
118:
119: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
120: &s_objet_liste) == d_erreur)
121: {
122: liberation(s_etat_processus, s_objet_critere);
123:
124: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
125: return;
126: }
127:
128: variable_partagee = d_faux;
129:
130: if ((*s_objet_liste).type == NOM)
131: {
132: if (recherche_variable(s_etat_processus, (*((struct_nom *)
133: (*s_objet_liste).objet)).nom) == d_faux)
134: {
135: (*s_etat_processus).erreur_systeme = d_es;
136: (*s_etat_processus).erreur_execution = d_ex_variable_non_definie;
137:
138: liberation(s_etat_processus, s_objet_critere);
139: liberation(s_etat_processus, s_objet_liste);
140:
141: return;
142: }
143:
1.27 bertrand 144: if ((*(*s_etat_processus).pointeur_variable_courante)
145: .variable_verrouillee == d_vrai)
1.1 bertrand 146: {
147: (*s_etat_processus).erreur_execution = d_ex_variable_verrouillee;
148:
149: liberation(s_etat_processus, s_objet_critere);
150: liberation(s_etat_processus, s_objet_liste);
151:
152: return;
153: }
154:
1.27 bertrand 155: if ((*(*s_etat_processus).pointeur_variable_courante).objet == NULL)
1.1 bertrand 156: {
157: if (pthread_mutex_lock(&((*(*s_etat_processus)
158: .s_liste_variables_partagees).mutex)) != 0)
159: {
160: (*s_etat_processus).erreur_systeme = d_es_processus;
161: return;
162: }
163:
164: if (recherche_variable_partagee(s_etat_processus,
1.27 bertrand 165: (*(*s_etat_processus).pointeur_variable_courante).nom,
166: (*(*s_etat_processus).pointeur_variable_courante)
167: .variable_partagee, (*(*s_etat_processus)
168: .pointeur_variable_courante).origine) == d_faux)
1.1 bertrand 169: {
170: if (pthread_mutex_unlock(&((*(*s_etat_processus)
171: .s_liste_variables_partagees).mutex)) != 0)
172: {
173: (*s_etat_processus).erreur_systeme = d_es_processus;
174: return;
175: }
176:
177: (*s_etat_processus).erreur_execution =
178: d_ex_erreur_type_argument;
179:
180: liberation(s_etat_processus, s_objet_critere);
181: liberation(s_etat_processus, s_objet_liste);
182:
183: return;
184: }
185:
1.6 bertrand 186: if (((*(*(*s_etat_processus).s_liste_variables_partagees)
1.1 bertrand 187: .table[(*(*s_etat_processus).s_liste_variables_partagees)
1.6 bertrand 188: .position_variable].objet).type != LST) &&
189: ((*(*(*s_etat_processus).s_liste_variables_partagees)
190: .table[(*(*s_etat_processus).s_liste_variables_partagees)
191: .position_variable].objet).type != TBL))
1.1 bertrand 192: {
193: if (pthread_mutex_unlock(&((*(*s_etat_processus)
194: .s_liste_variables_partagees).mutex)) != 0)
195: {
196: (*s_etat_processus).erreur_systeme = d_es_processus;
197: return;
198: }
199:
200: (*s_etat_processus).erreur_execution =
201: d_ex_erreur_type_argument;
202:
203: liberation(s_etat_processus, s_objet_critere);
204: liberation(s_etat_processus, s_objet_liste);
205:
206: return;
207: }
208:
209: liberation(s_etat_processus, s_objet_liste);
210:
211: s_objet_liste = (*(*s_etat_processus).s_liste_variables_partagees)
212: .table[(*(*s_etat_processus).s_liste_variables_partagees)
213: .position_variable].objet;
214:
215: if ((s_objet_copie = copie_objet(s_etat_processus, s_objet_liste,
216: 'N')) == NULL)
217: {
218: if (pthread_mutex_unlock(&((*(*s_etat_processus)
219: .s_liste_variables_partagees).mutex)) != 0)
220: {
221: (*s_etat_processus).erreur_systeme = d_es_processus;
222: return;
223: }
224:
225: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
226: return;
227: }
228:
229: variable_partagee = d_vrai;
230: }
231: else
232: {
1.27 bertrand 233: if (((*(*(*s_etat_processus).pointeur_variable_courante).objet)
234: .type != LST) && ((*(*(*s_etat_processus)
235: .pointeur_variable_courante).objet).type != TBL))
1.1 bertrand 236: {
237: (*s_etat_processus).erreur_execution =
238: d_ex_erreur_type_argument;
239:
240: liberation(s_etat_processus, s_objet_critere);
241: liberation(s_etat_processus, s_objet_liste);
242:
243: return;
244: }
245:
246: liberation(s_etat_processus, s_objet_liste);
247:
1.27 bertrand 248: s_objet_liste = (*(*s_etat_processus).pointeur_variable_courante)
249: .objet;
1.1 bertrand 250:
251: if ((s_objet_copie = copie_objet(s_etat_processus, s_objet_liste,
252: 'N')) == NULL)
253: {
254: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
255: return;
256: }
257: }
258:
259: liberation(s_etat_processus, s_objet_liste);
260: s_objet_liste = s_objet_copie;
1.27 bertrand 261: (*(*s_etat_processus).pointeur_variable_courante).objet = s_objet_liste;
1.1 bertrand 262: presence_nom = d_vrai;
263: }
264: else
265: {
266: if ((s_objet_copie = copie_objet(s_etat_processus, s_objet_liste, 'N'))
267: == NULL)
268: {
269: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
270: return;
271: }
272:
273: liberation(s_etat_processus, s_objet_liste);
274: s_objet_liste = s_objet_copie;
275: presence_nom = d_faux;
276: }
277:
278: if (((*s_objet_liste).type == LST) &&
279: ((*s_objet_critere).type == RPN))
280: {
281: /*
282: * Tri bulle de la liste chaînée. On se contente d'un tri bulle
283: * car on travaille sur une liste chaînée et non sur un tableau
284: * sur lequel on pourrait accéder directement aux données grâce à
285: * leur indice.
286: */
287:
288: nombre_elements = 0;
289: l_element_courant = (*s_objet_liste).objet;
290:
291: while(l_element_courant != NULL)
292: {
293: l_element_courant = (*l_element_courant).suivant;
294: nombre_elements++;
295: }
296:
297: // Si la liste est vide, on considère qu'elle est triée.
298: // De la même manière, on considère qu'une liste d'un
299: // seul élément est toujours triée.
300:
301: if (nombre_elements > 1)
302: {
303: j = nombre_elements;
304:
305: do
306: {
307: inversion = d_faux;
308:
309: l_element_courant = (*s_objet_liste).objet;
310: l_element_precedent = NULL;
311:
312: for(i = 0; i < j - 1; i++)
313: {
314: // Test des éléments adjacents. Pour cela, on
315: // empile les deux éléments adjacents dans la pile dans
316: // l'ordre [i] [i+1] et on évalue le critère d'ordre.
317:
318: if ((s_objet_copie = copie_objet(s_etat_processus,
319: (*l_element_courant).donnee, 'P')) == NULL)
320: {
321: (*s_etat_processus).erreur_systeme =
322: d_es_allocation_memoire;
323: return;
324: }
325:
326: if (empilement(s_etat_processus,
327: &((*s_etat_processus).l_base_pile),
328: s_objet_copie) == d_erreur)
329: {
330: return;
331: }
332:
333: if ((s_objet_copie = copie_objet(s_etat_processus,
334: (*(*l_element_courant)
335: .suivant).donnee, 'P')) == NULL)
336: {
337: (*s_etat_processus).erreur_systeme =
338: d_es_allocation_memoire;
339: return;
340: }
341:
342: if (empilement(s_etat_processus,
343: &((*s_etat_processus).l_base_pile),
344: s_objet_copie) == d_erreur)
345: {
346: return;
347: }
348:
349: if (evaluation(s_etat_processus, s_objet_critere, 'N')
350: == d_erreur)
351: {
352: liberation(s_etat_processus, s_objet_critere);
353: liberation(s_etat_processus, s_objet_liste);
354:
355: return;
356: }
357:
358: if (depilement(s_etat_processus,
359: &((*s_etat_processus).l_base_pile), &s_objet_test)
360: == d_erreur)
361: {
362: liberation(s_etat_processus, s_objet_critere);
363: liberation(s_etat_processus, s_objet_liste);
364:
365: (*s_etat_processus).erreur_execution =
366: d_ex_manque_argument;
367: return;
368: }
369:
370: if ((*s_objet_test).type == INT)
371: {
372: condition = ((*((integer8 *) (*s_objet_test).objet))
373: == 0) ? d_faux : d_vrai;
374: }
375: else if ((*s_objet_test).type == REL)
376: {
377: condition = ((*((real8 *) (*s_objet_test).objet))
378: == 0) ? d_faux : d_vrai;
379: }
380: else
381: {
382: liberation(s_etat_processus, s_objet_critere);
383: liberation(s_etat_processus, s_objet_liste);
384: liberation(s_etat_processus, s_objet_test);
385:
386: (*s_etat_processus).erreur_execution =
387: d_ex_erreur_type_argument;
388: return;
389: }
390:
391: liberation(s_etat_processus, s_objet_test);
392:
393: if (condition == d_faux)
394: {
395: // On échange les deux éléments adjacents
396:
397: inversion = d_vrai;
398:
399: if (l_element_precedent == NULL)
400: {
401: // Échange des deux premiers éléments
402: // de la liste.
403:
404: l_element_tampon = (*(*l_element_courant)
405: .suivant).suivant;
406: (*s_objet_liste).objet = (*l_element_courant)
407: .suivant;
408: (*((struct_liste_chainee *) (*s_objet_liste)
409: .objet)).suivant = l_element_courant;
410: (*l_element_courant).suivant =
411: l_element_tampon;
412: l_element_courant = (*s_objet_liste).objet;
413: }
414: else
415: {
416: // Échange de deux éléments quelconques de la
417: // liste.
418:
419: l_element_tampon = (*l_element_courant).suivant;
420: (*l_element_courant).suivant =
421: (*(*l_element_courant).suivant).suivant;
422: (*l_element_precedent).suivant = l_element_tampon;
423: (*l_element_tampon).suivant = l_element_courant;
424:
425: l_element_courant = l_element_tampon;
426: }
427: }
428:
429: l_element_precedent = l_element_courant;
430: l_element_courant = (*l_element_courant).suivant;
431: }
432:
433: j--;
434: } while(inversion != d_faux);
435: }
436: }
437: else if (((*s_objet_liste).type == TBL) &&
438: ((*s_objet_critere).type == RPN))
439: {
440: /*
441: * Tri Shell-Metzner d'une table
442: */
443:
444: ecartement = (*((struct_tableau *) (*s_objet_liste).objet))
445: .nombre_elements;
446: terminaison_boucle_1 = d_faux;
447:
448: do
449: {
450: ecartement = ecartement / 2;
451:
452: if (ecartement >= 1)
453: {
454: indice_j = 0;
455: indice_k = (*((struct_tableau *) (*s_objet_liste).objet))
456: .nombre_elements - ecartement;
457: terminaison_boucle_2 = d_faux;
458:
459: do
460: {
461: indice_i = indice_j;
462: terminaison_boucle_3 = d_faux;
463:
464: do
465: {
466: indice_l = indice_i + ecartement;
467:
468: if ((indice_i > 0) && (indice_l > 0))
469: {
470: if ((s_objet_copie = copie_objet(s_etat_processus,
471: (*((struct_tableau *) (*s_objet_liste)
472: .objet)).elements[indice_i - 1], 'P'))
473: == NULL)
474: {
475: (*s_etat_processus).erreur_systeme =
476: d_es_allocation_memoire;
477: return;
478: }
479:
480: if (empilement(s_etat_processus,
481: &((*s_etat_processus).l_base_pile),
482: s_objet_copie) == d_erreur)
483: {
484: return;
485: }
486:
487: if ((s_objet_copie = copie_objet(s_etat_processus,
488: (*((struct_tableau *) (*s_objet_liste)
489: .objet)).elements[indice_l - 1], 'P'))
490: == NULL)
491: {
492: (*s_etat_processus).erreur_systeme =
493: d_es_allocation_memoire;
494: return;
495: }
496:
497: if (empilement(s_etat_processus,
498: &((*s_etat_processus).l_base_pile),
499: s_objet_copie) == d_erreur)
500: {
501: return;
502: }
503:
504: if (evaluation(s_etat_processus, s_objet_critere,
505: 'N') == d_erreur)
506: {
507: liberation(s_etat_processus, s_objet_critere);
508: liberation(s_etat_processus, s_objet_liste);
509:
510: return;
511: }
512:
513: if (depilement(s_etat_processus,
514: &((*s_etat_processus).l_base_pile),
515: &s_objet_test) == d_erreur)
516: {
517: liberation(s_etat_processus, s_objet_critere);
518: liberation(s_etat_processus, s_objet_liste);
519:
520: (*s_etat_processus).erreur_execution =
521: d_ex_manque_argument;
522: return;
523: }
524:
525: if ((*s_objet_test).type == INT)
526: {
527: condition = ((*((integer8 *) (*s_objet_test)
528: .objet)) == 0) ? d_faux : d_vrai;
529: }
530: else if ((*s_objet_test).type == REL)
531: {
532: condition = ((*((real8 *) (*s_objet_test)
533: .objet)) == 0) ? d_faux : d_vrai;
534: }
535: else
536: {
537: liberation(s_etat_processus, s_objet_critere);
538: liberation(s_etat_processus, s_objet_liste);
539: liberation(s_etat_processus, s_objet_test);
540:
541: (*s_etat_processus).erreur_execution =
542: d_ex_erreur_type_argument;
543: return;
544: }
545:
546: liberation(s_etat_processus, s_objet_test);
547:
548: if (condition == d_faux)
549: {
1.16 bertrand 550: s_objet_registre =
551: (*((struct_tableau *)
1.14 bertrand 552: (*s_objet_liste).objet)).elements
1.16 bertrand 553: [indice_i - 1];
554: (*((struct_tableau *) (*s_objet_liste).objet))
555: .elements[indice_i - 1] =
556: (*((struct_tableau *) (*s_objet_liste)
557: .objet)).elements[indice_l - 1];
558: (*((struct_tableau *) (*s_objet_liste)
559: .objet)).elements[indice_l - 1] =
560: s_objet_registre;
1.1 bertrand 561:
562: indice_i -= ecartement;
563:
564: if (indice_i < 1)
565: {
566: terminaison_boucle_3 = d_vrai;
567: }
568: }
569: else
570: {
571: terminaison_boucle_3 = d_vrai;
572: }
573: }
574: else
575: {
576: terminaison_boucle_3 = d_vrai;
577: }
578: } while(terminaison_boucle_3 == d_faux);
579:
580: indice_j++;
581:
582: if (indice_j > indice_k)
583: {
584: terminaison_boucle_2 = d_vrai;
585: }
586: } while(terminaison_boucle_2 == d_faux);
587: }
588: else
589: {
590: terminaison_boucle_1 = d_vrai;
591: }
592: } while(terminaison_boucle_1 == d_faux);
593: }
594: else
595: {
596: if (pthread_mutex_unlock(&((*(*s_etat_processus)
597: .s_liste_variables_partagees).mutex)) != 0)
598: {
599: (*s_etat_processus).erreur_systeme = d_es_processus;
600: return;
601: }
602:
603: liberation(s_etat_processus, s_objet_liste);
604: liberation(s_etat_processus, s_objet_critere);
605:
606: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
607: return;
608: }
609:
610: if (presence_nom == d_faux)
611: {
612: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
613: s_objet_liste) == d_erreur)
614: {
615: return;
616: }
617: }
618: else
619: {
620: if (variable_partagee == d_vrai)
621: {
622: (*(*s_etat_processus).s_liste_variables_partagees)
623: .table[(*(*s_etat_processus).s_liste_variables_partagees)
624: .position_variable].objet = s_objet_liste;
625:
626: if (pthread_mutex_unlock(&((*(*s_etat_processus)
627: .s_liste_variables_partagees).mutex)) != 0)
628: {
629: (*s_etat_processus).erreur_systeme = d_es_processus;
630: return;
631: }
632: }
633: }
634:
635: liberation(s_etat_processus, s_objet_critere);
636:
637: return;
638: }
639:
640:
641: /*
642: ================================================================================
643: Fonction 'save'
644: ================================================================================
645: Entrées : structure processus
646: --------------------------------------------------------------------------------
647: Sorties :
648: --------------------------------------------------------------------------------
649: Effets de bord : néant
650: ================================================================================
651: */
652:
653: void
654: instruction_save(struct_processus *s_etat_processus)
655: {
656: struct_objet *s_objet_1;
657: struct_objet *s_objet_2;
658:
659: struct_variable s_variable;
660:
661: (*s_etat_processus).erreur_execution = d_ex;
662:
663: if ((*s_etat_processus).affichage_arguments == 'Y')
664: {
665: printf("\n SAVE ");
666:
667: if ((*s_etat_processus).langue == 'F')
668: {
669: printf("(affecte un objet à une variable globale)\n\n");
670: }
671: else
672: {
673: printf("(store an object in a global variable)\n\n");
674: }
675:
676: printf(" 2: %s, %s, %s, %s, %s, %s,\n"
677: " %s, %s, %s, %s, %s,\n"
678: " %s, %s, %s, %s, %s,\n"
679: " %s, %s, %s, %s,\n"
680: " %s, %s\n",
681: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
682: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SCK,
683: d_SQL, d_SLB, d_PRC, d_MTX);
684: printf(" 1: %s\n", d_NOM);
685:
686: return;
687: }
688: else if ((*s_etat_processus).test_instruction == 'Y')
689: {
690: (*s_etat_processus).nombre_arguments = -1;
691: return;
692: }
693:
694: if (test_cfsf(s_etat_processus, 31) == d_vrai)
695: {
696: if (empilement_pile_last(s_etat_processus, 2) == d_erreur)
697: {
698: return;
699: }
700: }
701:
702: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
703: &s_objet_1) == d_erreur)
704: {
705: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
706: return;
707: }
708:
709: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
710: &s_objet_2) == d_erreur)
711: {
712: liberation(s_etat_processus, s_objet_1);
713:
714: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
715: return;
716: }
717:
718: if ((*s_objet_1).type != NOM)
719: {
720: liberation(s_etat_processus, s_objet_1);
721: liberation(s_etat_processus, s_objet_2);
722:
723: (*s_etat_processus).erreur_execution = d_ex_nom_invalide;
724: return;
725: }
726:
1.27 bertrand 727: if (recherche_variable_globale(s_etat_processus, (*((struct_nom *)
1.1 bertrand 728: (*s_objet_1).objet)).nom) == d_vrai)
729: {
730: /*
1.27 bertrand 731: * Une variable est accessible.
1.1 bertrand 732: */
733:
1.27 bertrand 734: if ((*(*s_etat_processus).pointeur_variable_courante)
735: .variable_verrouillee == d_vrai)
1.1 bertrand 736: {
1.27 bertrand 737: liberation(s_etat_processus, s_objet_1);
738: liberation(s_etat_processus, s_objet_2);
1.1 bertrand 739:
1.27 bertrand 740: (*s_etat_processus).erreur_execution = d_ex_variable_verrouillee;
741: return;
742: }
1.1 bertrand 743:
1.27 bertrand 744: if ((*(*s_etat_processus).pointeur_variable_courante).objet == NULL)
745: {
746: liberation(s_etat_processus, s_objet_1);
747: liberation(s_etat_processus, s_objet_2);
1.1 bertrand 748:
1.27 bertrand 749: (*s_etat_processus).erreur_execution = d_ex_variable_partagee;
750: return;
1.1 bertrand 751: }
752:
1.27 bertrand 753: liberation(s_etat_processus,
754: (*(*s_etat_processus).pointeur_variable_courante).objet);
755: (*(*s_etat_processus).pointeur_variable_courante).objet = s_objet_2;
1.1 bertrand 756: }
757: else
758: {
759: /*
760: * Aucune variable n'est accessible (ni locale, ni globale).
761: */
762:
763: if ((s_variable.nom = malloc((strlen((*((struct_nom *)
764: (*s_objet_1).objet)).nom) + 1) * sizeof(unsigned char)))
765: == NULL)
766: {
767: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
768: return;
769: }
770:
771: strcpy(s_variable.nom, (*((struct_nom *) (*s_objet_1).objet)).nom);
772: s_variable.niveau = 1;
773:
774: /*
775: * Le niveau 0 correspond aux définitions. Les variables
776: * commencent à 1 car elles sont toujours incluses dans
777: * une définition.
778: */
779:
780: s_variable.objet = s_objet_2;
781:
782: if (creation_variable(s_etat_processus, &s_variable, 'V', 'P')
783: == d_erreur)
784: {
785: return;
786: }
787:
788: (*s_etat_processus).erreur_systeme = d_es;
789: }
790:
791: liberation(s_etat_processus, s_objet_1);
792:
793: return;
794: }
795:
796:
797: /*
798: ================================================================================
799: Fonction 'suspend'
800: ================================================================================
801: Entrées : structure processus
802: --------------------------------------------------------------------------------
803: Sorties :
804: --------------------------------------------------------------------------------
805: Effets de bord : néant
806: ================================================================================
807: */
808:
809: void
810: instruction_suspend(struct_processus *s_etat_processus)
811: {
1.37 bertrand 812: struct timespec attente;
1.1 bertrand 813:
814: (*s_etat_processus).erreur_execution = d_ex;
815:
816: if ((*s_etat_processus).affichage_arguments == 'Y')
817: {
818: printf("\n SUSPEND ");
819:
820: if ((*s_etat_processus).langue == 'F')
821: {
1.37 bertrand 822: printf("(attend un signal RPL/SIGCONT)\n\n");
1.1 bertrand 823: printf(" Aucun argument\n");
824: }
825: else
826: {
1.37 bertrand 827: printf("(wait for RPL/SIGCONT signal)\n\n");
1.1 bertrand 828: printf(" No argument\n");
829: }
830:
831: return;
832: }
833: else if ((*s_etat_processus).test_instruction == 'Y')
834: {
835: (*s_etat_processus).nombre_arguments = -1;
836: return;
837: }
838:
839: if (test_cfsf(s_etat_processus, 31) == d_vrai)
840: {
841: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
842: {
843: return;
844: }
845: }
846:
847: if ((*s_etat_processus).profilage == d_vrai)
848: {
849: profilage(s_etat_processus, "Suspend");
850:
851: if ((*s_etat_processus).erreur_systeme != d_es)
852: {
853: return;
854: }
855: }
856:
1.40 ! bertrand 857: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 858: {
859: (*s_etat_processus).erreur_systeme = d_es_processus;
860: return;
861: }
862:
1.37 bertrand 863: for((*s_etat_processus).redemarrage_processus = d_faux;;)
864: {
865: scrutation_interruptions(s_etat_processus);
866:
867: if ((*s_etat_processus).redemarrage_processus == d_vrai)
868: {
869: break;
870: }
871:
872: nanosleep(&attente, NULL);
873: INCR_GRANULARITE(attente.tv_nsec);
874: }
1.1 bertrand 875:
1.40 ! bertrand 876: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 877: {
1.38 bertrand 878: (*s_etat_processus).erreur_systeme = d_es_processus;
879: return;
1.1 bertrand 880: }
881:
882: if ((*s_etat_processus).profilage == d_vrai)
883: {
884: profilage(s_etat_processus, NULL);
885: }
886:
887: return;
888: }
889:
890:
891: /*
892: ================================================================================
893: Fonction 'static'
894: ================================================================================
895: Entrées : structure processus
896: --------------------------------------------------------------------------------
897: Sorties :
898: --------------------------------------------------------------------------------
899: Effets de bord : néant
900: ================================================================================
901: */
902:
903: void
904: instruction_static(struct_processus *s_etat_processus)
905: {
906: (*s_etat_processus).erreur_execution = d_ex;
907:
908: if ((*s_etat_processus).affichage_arguments == 'Y')
909: {
910: printf("\n STATIC ");
911:
912: if ((*s_etat_processus).langue == 'F')
913: {
914: printf("(déclaration de variables statiques)\n\n");
915: printf(" Aucun argument\n");
916: }
917: else
918: {
919: printf("(static variables declaration)\n\n");
920: printf(" No argument\n");
921: }
922:
923: return;
924: }
925: else if ((*s_etat_processus).test_instruction == 'Y')
926: {
927: (*s_etat_processus).nombre_arguments = -1;
928: return;
929: }
930:
931: if (test_cfsf(s_etat_processus, 31) == d_vrai)
932: {
933: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
934: {
935: return;
936: }
937: }
938:
939: if ((*s_etat_processus).creation_variables_partagees == d_vrai)
940: {
941: (*s_etat_processus).erreur_execution = d_ex_variable_statique_partagee;
942: return;
943: }
944:
945: (*s_etat_processus).creation_variables_statiques = d_vrai;
946:
947: return;
948: }
949:
950:
951: /*
952: ================================================================================
953: Fonction 'shared'
954: ================================================================================
955: Entrées : structure processus
956: --------------------------------------------------------------------------------
957: Sorties :
958: --------------------------------------------------------------------------------
959: Effets de bord : néant
960: ================================================================================
961: */
962:
963: void
964: instruction_shared(struct_processus *s_etat_processus)
965: {
966: (*s_etat_processus).erreur_execution = d_ex;
967:
968: if ((*s_etat_processus).affichage_arguments == 'Y')
969: {
970: printf("\n SHARED ");
971:
972: if ((*s_etat_processus).langue == 'F')
973: {
974: printf("(déclaration de variables partagées)\n\n");
975: printf(" Aucun argument\n");
976: }
977: else
978: {
979: printf("(shared variables declaration)\n\n");
980: printf(" No argument\n");
981: }
982:
983: return;
984: }
985: else if ((*s_etat_processus).test_instruction == 'Y')
986: {
987: (*s_etat_processus).nombre_arguments = -1;
988: return;
989: }
990:
991: if (test_cfsf(s_etat_processus, 31) == d_vrai)
992: {
993: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
994: {
995: return;
996: }
997: }
998:
999: if ((*s_etat_processus).creation_variables_partagees == d_vrai)
1000: {
1001: (*s_etat_processus).erreur_execution = d_ex_variable_statique_partagee;
1002: return;
1003: }
1004:
1005: (*s_etat_processus).creation_variables_partagees = d_vrai;
1006:
1007: return;
1008: }
1009:
1010:
1011: /*
1012: ================================================================================
1013: Fonction 'stoswi'
1014: ================================================================================
1015: Entrées : structure processus
1016: --------------------------------------------------------------------------------
1017: Sorties :
1018: --------------------------------------------------------------------------------
1019: Effets de bord : néant
1020: ================================================================================
1021: */
1022:
1023: void
1024: instruction_stoswi(struct_processus *s_etat_processus)
1025: {
1026: integer8 interruption;
1027:
1028: struct_objet *s_objet_argument_1;
1029: struct_objet *s_objet_argument_2;
1030:
1031: (*s_etat_processus).erreur_execution = d_ex;
1032:
1033: if ((*s_etat_processus).affichage_arguments == 'Y')
1034: {
1035: printf("\n STOSWI ");
1036:
1037: if ((*s_etat_processus).langue == 'F')
1038: {
1039: printf("(définition d'une interruption logicielle)\n\n");
1040: }
1041: else
1042: {
1043: printf("(software interrupt definition)\n\n");
1044: }
1045:
1046: printf(" 2: %s, %s\n", d_NOM, d_RPN);
1047: printf(" 1: %s\n", d_INT);
1048:
1049: return;
1050: }
1051: else if ((*s_etat_processus).test_instruction == 'Y')
1052: {
1053: (*s_etat_processus).nombre_arguments = -1;
1054: return;
1055: }
1056:
1057: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1058: {
1059: if (empilement_pile_last(s_etat_processus, 2) == d_erreur)
1060: {
1061: return;
1062: }
1063: }
1064:
1065: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1066: &s_objet_argument_1) == d_erreur)
1067: {
1068: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1069: return;
1070: }
1071:
1072: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1073: &s_objet_argument_2) == d_erreur)
1074: {
1075: liberation(s_etat_processus, s_objet_argument_1);
1076:
1077: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1078: return;
1079: }
1080:
1081: if ((*s_objet_argument_1).type == INT)
1082: {
1083: interruption = (*((integer8 *) (*s_objet_argument_1).objet));
1084:
1085: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
1086: {
1087: liberation(s_etat_processus, s_objet_argument_1);
1088: liberation(s_etat_processus, s_objet_argument_2);
1089:
1090: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
1091: return;
1092: }
1093:
1094: if ((*s_objet_argument_2).type == NOM)
1095: {
1096: liberation(s_etat_processus, (*s_etat_processus).corps_interruptions
1097: [interruption - 1]);
1098: (*s_etat_processus).corps_interruptions[interruption - 1] =
1099: s_objet_argument_2;
1100: }
1101: else if((*s_objet_argument_2).type == RPN)
1102: {
1103: liberation(s_etat_processus, (*s_etat_processus).corps_interruptions
1104: [interruption - 1]);
1105: (*s_etat_processus).corps_interruptions[interruption - 1] =
1106: s_objet_argument_2;
1107: }
1108: else
1109: {
1110: liberation(s_etat_processus, s_objet_argument_1);
1111: liberation(s_etat_processus, s_objet_argument_2);
1112:
1113: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1114: return;
1115: }
1116: }
1117: else
1118: {
1119: liberation(s_etat_processus, s_objet_argument_1);
1120: liberation(s_etat_processus, s_objet_argument_2);
1121:
1122: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1123: return;
1124: }
1125:
1126: liberation(s_etat_processus, s_objet_argument_1);
1127:
1128: return;
1129: }
1130:
1131:
1132: /*
1133: ================================================================================
1134: Fonction 'swi'
1135: ================================================================================
1136: Entrées : structure processus
1137: --------------------------------------------------------------------------------
1138: Sorties :
1139: --------------------------------------------------------------------------------
1140: Effets de bord : néant
1141: ================================================================================
1142: */
1143:
1144: void
1145: instruction_swi(struct_processus *s_etat_processus)
1146: {
1147: int interruption_reduite;
1148:
1149: integer8 interruption;
1150:
1151: pid_t pid;
1152:
1153: pthread_t tid;
1154:
1155: sig_atomic_t registre;
1156:
1157: ssize_t longueur_ecriture;
1158:
1159: struct_objet *s_objet_argument;
1160:
1161: struct timespec attente;
1162:
1163: unsigned char tampon;
1164:
1165: (*s_etat_processus).erreur_execution = d_ex;
1166:
1167: if ((*s_etat_processus).affichage_arguments == 'Y')
1168: {
1169: printf("\n SWI ");
1170:
1171: if ((*s_etat_processus).langue == 'F')
1172: {
1173: printf("(interruption logicielle)\n\n");
1174: }
1175: else
1176: {
1177: printf("(software interrupt)\n\n");
1178: }
1179:
1180: printf(" 1: %s\n", d_INT);
1181:
1182: return;
1183: }
1184: else if ((*s_etat_processus).test_instruction == 'Y')
1185: {
1186: (*s_etat_processus).nombre_arguments = -1;
1187: return;
1188: }
1189:
1190: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1191: {
1192: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1193: {
1194: return;
1195: }
1196: }
1197:
1198: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1199: &s_objet_argument) == d_erreur)
1200: {
1201: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1202: return;
1203: }
1204:
1205: if ((*s_objet_argument).type == INT)
1206: {
1207: interruption = (*((integer8 *) (*s_objet_argument).objet));
1208:
1209: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
1210: {
1211: liberation(s_etat_processus, s_objet_argument);
1212:
1213: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
1214: return;
1215: }
1216:
1217: if ((*s_etat_processus).presence_pipes == d_faux)
1218: {
1219: liberation(s_etat_processus, s_objet_argument);
1220:
1221: (*s_etat_processus).erreur_execution = d_ex_absence_processus_pere;
1222: return;
1223: }
1224:
1225: // Envoi d'un PID invalide (-1) pour ne pas bloquer le thread
1226: // de surveillance.
1227:
1228: registre = (*s_etat_processus).var_volatile_traitement_retarde_stop;
1229: (*s_etat_processus).var_volatile_traitement_retarde_stop = 1;
1230:
1231: if ((*s_etat_processus).processus_detache == d_vrai)
1232: {
1233: pid = -1;
1234:
1235: attente.tv_sec = 0;
1236: attente.tv_nsec = GRANULARITE_us * 1000;
1237:
1.40 ! bertrand 1238: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1239: {
1240: (*s_etat_processus).erreur_systeme = d_es_processus;
1241: return;
1242: }
1.1 bertrand 1243:
1244: while((longueur_ecriture = write_atomic(s_etat_processus,
1245: (*s_etat_processus).pipe_nombre_objets_attente,
1246: &pid, sizeof(pid))) != sizeof(pid))
1247: {
1.40 ! bertrand 1248: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1249: {
1.38 bertrand 1250: (*s_etat_processus).erreur_systeme = d_es_processus;
1251: return;
1.1 bertrand 1252: }
1253:
1254: if (longueur_ecriture == -1)
1255: {
1256: if (registre == 0)
1257: {
1258: if ((*s_etat_processus)
1259: .var_volatile_traitement_retarde_stop == -1)
1260: {
1261: (*s_etat_processus).var_volatile_requete_arret = -1;
1262: }
1263:
1264: (*s_etat_processus)
1265: .var_volatile_traitement_retarde_stop
1266: = registre;
1267: }
1268:
1269: (*s_etat_processus).erreur_systeme = d_es_processus;
1270: return;
1271: }
1272:
1273: nanosleep(&attente, NULL);
1274: INCR_GRANULARITE(attente.tv_nsec);
1275:
1.40 ! bertrand 1276: if (sem_post(&((*s_etat_processus).semaphore_fork))
1.38 bertrand 1277: != 0)
1.1 bertrand 1278: {
1279: (*s_etat_processus).erreur_systeme = d_es_processus;
1280: return;
1281: }
1282: }
1283:
1.39 bertrand 1284: scrutation_interruptions(s_etat_processus);
1285:
1.40 ! bertrand 1286: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1287: {
1.38 bertrand 1288: (*s_etat_processus).erreur_systeme = d_es_processus;
1289: return;
1.1 bertrand 1290: }
1291: }
1292: else
1293: {
1294: tid = -1;
1295:
1296: attente.tv_sec = 0;
1297: attente.tv_nsec = GRANULARITE_us * 1000;
1298:
1.40 ! bertrand 1299: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1300: {
1301: (*s_etat_processus).erreur_systeme = d_es_processus;
1302: return;
1303: }
1304:
1305: while((longueur_ecriture = write_atomic(s_etat_processus,
1306: (*s_etat_processus).pipe_nombre_objets_attente,
1307: &tid, sizeof(tid))) != sizeof(tid))
1308: {
1.40 ! bertrand 1309: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1310: {
1.38 bertrand 1311: (*s_etat_processus).erreur_systeme = d_es_processus;
1312: return;
1.1 bertrand 1313: }
1314:
1315: if (longueur_ecriture == -1)
1316: {
1317: if (registre == 0)
1318: {
1319: if ((*s_etat_processus)
1320: .var_volatile_traitement_retarde_stop == -1)
1321: {
1322: (*s_etat_processus).var_volatile_requete_arret = -1;
1323: }
1324:
1325: (*s_etat_processus)
1326: .var_volatile_traitement_retarde_stop
1327: = registre;
1328: }
1329:
1330: (*s_etat_processus).erreur_systeme = d_es_processus;
1331: return;
1332: }
1333:
1334: nanosleep(&attente, NULL);
1335: INCR_GRANULARITE(attente.tv_nsec);
1336:
1.40 ! bertrand 1337: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1338: {
1339: (*s_etat_processus).erreur_systeme = d_es_processus;
1340: return;
1341: }
1342: }
1343:
1.39 bertrand 1344: scrutation_interruptions(s_etat_processus);
1345:
1.40 ! bertrand 1346: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1347: {
1.38 bertrand 1348: (*s_etat_processus).erreur_systeme = d_es_processus;
1349: return;
1.1 bertrand 1350: }
1351: }
1352:
1353: interruption_reduite = interruption;
1354:
1355: attente.tv_sec = 0;
1356: attente.tv_nsec = GRANULARITE_us * 1000;
1357:
1.40 ! bertrand 1358: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1359: {
1360: (*s_etat_processus).erreur_systeme = d_es_processus;
1361: return;
1362: }
1.1 bertrand 1363:
1364: while((longueur_ecriture = write_atomic(s_etat_processus,
1365: (*s_etat_processus).pipe_interruptions,
1366: &interruption_reduite, sizeof(interruption_reduite)))
1367: != sizeof(interruption_reduite))
1368: {
1.40 ! bertrand 1369: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1370: {
1.38 bertrand 1371: (*s_etat_processus).erreur_systeme = d_es_processus;
1372: return;
1.1 bertrand 1373: }
1374:
1375: if (longueur_ecriture == -1)
1376: {
1377: if (registre == 0)
1378: {
1379: if ((*s_etat_processus)
1380: .var_volatile_traitement_retarde_stop == -1)
1381: {
1382: (*s_etat_processus).var_volatile_requete_arret = -1;
1383: }
1384:
1385: (*s_etat_processus)
1386: .var_volatile_traitement_retarde_stop
1387: = registre;
1388: }
1389:
1390: (*s_etat_processus).erreur_systeme = d_es_processus;
1391: return;
1392: }
1393:
1394: nanosleep(&attente, NULL);
1395: INCR_GRANULARITE(attente.tv_nsec);
1396:
1.40 ! bertrand 1397: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1398: {
1399: (*s_etat_processus).erreur_systeme = d_es_processus;
1400: return;
1401: }
1.39 bertrand 1402:
1403: scrutation_interruptions(s_etat_processus);
1.1 bertrand 1404: }
1405:
1.40 ! bertrand 1406: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1407: {
1.38 bertrand 1408: (*s_etat_processus).erreur_systeme = d_es_processus;
1409: return;
1.1 bertrand 1410: }
1411:
1412: if ((*s_etat_processus).processus_detache == d_vrai)
1413: {
1414: pid = -3;
1415:
1416: attente.tv_sec = 0;
1417: attente.tv_nsec = GRANULARITE_us * 1000;
1418:
1.40 ! bertrand 1419: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1420: {
1421: (*s_etat_processus).erreur_systeme = d_es_processus;
1422: return;
1423: }
1.1 bertrand 1424:
1425: while((longueur_ecriture = write_atomic(s_etat_processus,
1426: (*s_etat_processus).pipe_nombre_interruptions_attente,
1427: &pid, sizeof(pid))) != sizeof(pid))
1428: {
1.40 ! bertrand 1429: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1430: {
1431: (*s_etat_processus).erreur_systeme = d_es_processus;
1432: return;
1433: }
1434:
1435: if (longueur_ecriture == -1)
1436: {
1437: if (registre == 0)
1438: {
1439: if ((*s_etat_processus)
1440: .var_volatile_traitement_retarde_stop == -1)
1441: {
1442: (*s_etat_processus).var_volatile_requete_arret = -1;
1443: }
1444:
1445: (*s_etat_processus)
1446: .var_volatile_traitement_retarde_stop
1447: = registre;
1448: }
1449:
1450: (*s_etat_processus).erreur_systeme = d_es_processus;
1451: return;
1452: }
1453:
1454: nanosleep(&attente, NULL);
1455: INCR_GRANULARITE(attente.tv_nsec);
1456:
1.40 ! bertrand 1457: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1458: {
1459: (*s_etat_processus).erreur_systeme = d_es_processus;
1460: return;
1461: }
1.39 bertrand 1462:
1463: scrutation_interruptions(s_etat_processus);
1.1 bertrand 1464: }
1465:
1466: pid = getpid();
1467:
1468: attente.tv_sec = 0;
1469: attente.tv_nsec = GRANULARITE_us * 1000;
1470:
1471: while((longueur_ecriture = write_atomic(s_etat_processus,
1472: (*s_etat_processus).pipe_nombre_interruptions_attente,
1473: &pid, sizeof(pid))) != sizeof(pid))
1474: {
1.40 ! bertrand 1475: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1476: {
1.38 bertrand 1477: (*s_etat_processus).erreur_systeme = d_es_processus;
1478: return;
1.1 bertrand 1479: }
1480:
1481: if (longueur_ecriture == -1)
1482: {
1483: if (registre == 0)
1484: {
1485: if ((*s_etat_processus)
1486: .var_volatile_traitement_retarde_stop == -1)
1487: {
1488: (*s_etat_processus).var_volatile_requete_arret = -1;
1489: }
1490:
1491: (*s_etat_processus)
1492: .var_volatile_traitement_retarde_stop
1493: = registre;
1494: }
1495:
1496: (*s_etat_processus).erreur_systeme = d_es_processus;
1497: return;
1498: }
1499:
1500: nanosleep(&attente, NULL);
1501: INCR_GRANULARITE(attente.tv_nsec);
1502:
1.40 ! bertrand 1503: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1504: {
1505: (*s_etat_processus).erreur_systeme = d_es_processus;
1506: return;
1507: }
1.1 bertrand 1508: }
1509:
1.40 ! bertrand 1510: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1511: {
1.38 bertrand 1512: (*s_etat_processus).erreur_systeme = d_es_processus;
1513: return;
1.1 bertrand 1514: }
1515: }
1516: else
1517: {
1518: tid = -3;
1519:
1.40 ! bertrand 1520: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1521: {
1522: (*s_etat_processus).erreur_systeme = d_es_processus;
1523: return;
1524: }
1.1 bertrand 1525:
1526: while((longueur_ecriture = write_atomic(s_etat_processus,
1527: (*s_etat_processus).pipe_nombre_interruptions_attente,
1528: &tid, sizeof(tid))) != sizeof(tid))
1529: {
1.40 ! bertrand 1530: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1531: {
1.38 bertrand 1532: (*s_etat_processus).erreur_systeme = d_es_processus;
1533: return;
1.1 bertrand 1534: }
1535:
1536: if (longueur_ecriture == -1)
1537: {
1538: if (registre == 0)
1539: {
1540: if ((*s_etat_processus)
1541: .var_volatile_traitement_retarde_stop == -1)
1542: {
1543: (*s_etat_processus).var_volatile_requete_arret = -1;
1544: }
1545:
1546: (*s_etat_processus)
1547: .var_volatile_traitement_retarde_stop
1548: = registre;
1549: }
1550:
1551: (*s_etat_processus).erreur_systeme = d_es_processus;
1552: return;
1553: }
1554:
1555: nanosleep(&attente, NULL);
1556: INCR_GRANULARITE(attente.tv_nsec);
1557:
1.40 ! bertrand 1558: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1559: {
1560: (*s_etat_processus).erreur_systeme = d_es_processus;
1561: return;
1562: }
1.39 bertrand 1563:
1564: scrutation_interruptions(s_etat_processus);
1.1 bertrand 1565: }
1566:
1567: tid = pthread_self();
1568:
1569: attente.tv_sec = 0;
1570: attente.tv_nsec = GRANULARITE_us * 1000;
1571:
1572: while((longueur_ecriture = write_atomic(s_etat_processus,
1573: (*s_etat_processus).pipe_nombre_interruptions_attente,
1574: &tid, sizeof(tid))) != sizeof(tid))
1575: {
1.40 ! bertrand 1576: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1577: {
1.38 bertrand 1578: (*s_etat_processus).erreur_systeme = d_es_processus;
1579: return;
1.1 bertrand 1580: }
1581:
1582: if (longueur_ecriture == -1)
1583:
1584: {
1585: if (registre == 0)
1586: {
1587: if ((*s_etat_processus)
1588: .var_volatile_traitement_retarde_stop == -1)
1589: {
1590: (*s_etat_processus).var_volatile_requete_arret = -1;
1591: }
1592:
1593: (*s_etat_processus)
1594: .var_volatile_traitement_retarde_stop
1595: = registre;
1596: }
1597:
1598: (*s_etat_processus).erreur_systeme = d_es_processus;
1599: return;
1600: }
1601:
1602: nanosleep(&attente, NULL);
1603: INCR_GRANULARITE(attente.tv_nsec);
1604:
1.40 ! bertrand 1605: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.8 bertrand 1606: {
1607: (*s_etat_processus).erreur_systeme = d_es_processus;
1608: return;
1609: }
1.39 bertrand 1610:
1611: scrutation_interruptions(s_etat_processus);
1.1 bertrand 1612: }
1613:
1.40 ! bertrand 1614: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1615: {
1.38 bertrand 1616: (*s_etat_processus).erreur_systeme = d_es_processus;
1617: return;
1.1 bertrand 1618: }
1619: }
1620:
1621: attente.tv_sec = 0;
1622: attente.tv_nsec = GRANULARITE_us * 1000;
1623:
1.40 ! bertrand 1624: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1625: {
1626: (*s_etat_processus).erreur_systeme = d_es_processus;
1627: return;
1628: }
1629:
1630: while(read_atomic(s_etat_processus,
1631: (*s_etat_processus).pipe_acquittement,
1632: &tampon, sizeof(unsigned char)) != sizeof(unsigned char))
1633: {
1.40 ! bertrand 1634: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1635: {
1.38 bertrand 1636: (*s_etat_processus).erreur_systeme = d_es_processus;
1637: return;
1.1 bertrand 1638: }
1639:
1640: nanosleep(&attente, NULL);
1641: INCR_GRANULARITE(attente.tv_nsec);
1642:
1.40 ! bertrand 1643: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1644: {
1645: (*s_etat_processus).erreur_systeme = d_es_processus;
1646: return;
1647: }
1.39 bertrand 1648:
1649: scrutation_interruptions(s_etat_processus);
1.1 bertrand 1650: }
1651:
1.40 ! bertrand 1652: if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
1.1 bertrand 1653: {
1.38 bertrand 1654: (*s_etat_processus).erreur_systeme = d_es_processus;
1655: return;
1.1 bertrand 1656: }
1657:
1658: if (registre == 0)
1659: {
1660: if ((*s_etat_processus).var_volatile_traitement_retarde_stop == -1)
1661: {
1662: (*s_etat_processus).var_volatile_requete_arret = -1;
1663: }
1664:
1665: (*s_etat_processus).var_volatile_traitement_retarde_stop = registre;
1666: }
1667: }
1668: else
1669: {
1670: liberation(s_etat_processus, s_objet_argument);
1671:
1672: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1673: return;
1674: }
1675:
1676: liberation(s_etat_processus, s_objet_argument);
1677:
1678: return;
1679: }
1680:
1681:
1682: /*
1683: ================================================================================
1684: Fonction 'swilock'
1685: ================================================================================
1686: Entrées : structure processus
1687: --------------------------------------------------------------------------------
1688: Sorties :
1689: --------------------------------------------------------------------------------
1690: Effets de bord : néant
1691: ================================================================================
1692: */
1693:
1694: void
1695: instruction_swilock(struct_processus *s_etat_processus)
1696: {
1697: integer8 interruption;
1698:
1699: struct_liste_chainee *l_element_courant;
1700:
1701: struct_objet *s_objet_argument;
1702:
1703: (*s_etat_processus).erreur_execution = d_ex;
1704:
1705: if ((*s_etat_processus).affichage_arguments == 'Y')
1706: {
1707: printf("\n SWILOCK ");
1708:
1709: if ((*s_etat_processus).langue == 'F')
1710: {
1711: printf("(verrouillage des interruptions logicielles)\n\n");
1712: }
1713: else
1714: {
1715: printf("(software interrupt lock)\n\n");
1716: }
1717:
1718: printf(" 1: %s, %s\n", d_INT, d_LST);
1719:
1720: return;
1721: }
1722: else if ((*s_etat_processus).test_instruction == 'Y')
1723: {
1724: (*s_etat_processus).nombre_arguments = -1;
1725: return;
1726: }
1727:
1728: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1729: {
1730: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1731: {
1732: return;
1733: }
1734: }
1735:
1736: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1737: &s_objet_argument) == d_erreur)
1738: {
1739: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1740: return;
1741: }
1742:
1743: if ((*s_objet_argument).type == INT)
1744: {
1745: interruption = (*((integer8 *) (*s_objet_argument).objet));
1746:
1747: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
1748: {
1749: liberation(s_etat_processus, s_objet_argument);
1750:
1751: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
1752: return;
1753: }
1754:
1755: (*s_etat_processus).masque_interruptions[interruption - 1] = 'I';
1756: }
1757: else if ((*s_objet_argument).type == LST)
1758: {
1759: l_element_courant = (*s_objet_argument).objet;
1760:
1761: while(l_element_courant)
1762: {
1763: if ((*(*l_element_courant).donnee).type != INT)
1764: {
1765: liberation(s_etat_processus, s_objet_argument);
1766:
1767: (*s_etat_processus).erreur_execution =
1768: d_ex_erreur_type_argument;
1769: return;
1770: }
1771:
1772: interruption = (*((integer8 *) (*(*l_element_courant)
1773: .donnee).objet));
1774:
1775: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
1776: {
1777: liberation(s_etat_processus, s_objet_argument);
1778:
1779: (*s_etat_processus).erreur_execution =
1780: d_ex_interruption_invalide;
1781: return;
1782: }
1783:
1784: (*s_etat_processus).masque_interruptions[interruption - 1] = 'I';
1785: l_element_courant = (*l_element_courant).suivant;
1786: }
1787: }
1788: else
1789: {
1790: liberation(s_etat_processus, s_objet_argument);
1791:
1792: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1793: return;
1794: }
1795:
1796: liberation(s_etat_processus, s_objet_argument);
1797:
1798: return;
1799: }
1800:
1801:
1802: /*
1803: ================================================================================
1804: Fonction 'swistatus'
1805: ================================================================================
1806: Entrées : structure processus
1807: --------------------------------------------------------------------------------
1808: Sorties :
1809: --------------------------------------------------------------------------------
1810: Effets de bord : néant
1811: ================================================================================
1812: */
1813:
1814: void
1815: instruction_swistatus(struct_processus *s_etat_processus)
1816: {
1817: int i;
1818:
1819: struct_liste_chainee *l_element_courant;
1820: struct_liste_chainee *l_element_futur;
1821: struct_liste_chainee *l_element_liste;
1822:
1823: struct_objet *s_objet_resultat;
1824:
1825: (*s_etat_processus).erreur_execution = d_ex;
1826:
1827: if ((*s_etat_processus).affichage_arguments == 'Y')
1828: {
1829: printf("\n SWISTATUS ");
1830:
1831: if ((*s_etat_processus).langue == 'F')
1832: {
1833: printf("(état des interruptions logicielles)\n\n");
1834: }
1835: else
1836: {
1837: printf("(software interrupts status)\n\n");
1838: }
1839:
1840: printf("-> 1: %s\n\n", d_LST);
1841:
1842: if ((*s_etat_processus).langue == 'F')
1843: {
1844: printf(" Utilisation :\n\n");
1845: }
1846: else
1847: {
1848: printf(" Usage:\n\n");
1849: }
1850:
1851: printf(" { { initialized interrupts }\n"
1852: " { unlocked interrupts }\n"
1853: " { queued interrupts }\n"
1854: " { locked interrupts } }\n");
1855: return;
1856: }
1857: else if ((*s_etat_processus).test_instruction == 'Y')
1858: {
1859: (*s_etat_processus).nombre_arguments = -1;
1860: return;
1861: }
1862:
1863: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1864: {
1865: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
1866: {
1867: return;
1868: }
1869: }
1870:
1871: if ((s_objet_resultat = allocation(s_etat_processus, LST)) == NULL)
1872: {
1873: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1874: return;
1875: }
1876:
1877: if (((*s_objet_resultat).objet =
1878: allocation_maillon(s_etat_processus)) == NULL)
1879: {
1880: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1881: return;
1882: }
1883:
1884: l_element_courant = (struct_liste_chainee *) (*s_objet_resultat).objet;
1885:
1886: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
1887: == NULL)
1888: {
1889: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1890: return;
1891: }
1892:
1893: l_element_liste = NULL;
1894: l_element_futur = NULL;
1895:
1896: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
1897: {
1898: if ((*s_etat_processus).corps_interruptions[i] != NULL)
1899: {
1900: if (l_element_liste == NULL)
1901: {
1902: if ((l_element_liste =
1903: allocation_maillon(s_etat_processus)) == NULL)
1904: {
1905: (*s_etat_processus).erreur_systeme =
1906: d_es_allocation_memoire;
1907: return;
1908: }
1909:
1910: l_element_futur = l_element_liste;
1911: }
1912: else
1913: {
1914: if (((*l_element_liste).suivant =
1915: allocation_maillon(s_etat_processus)) == NULL)
1916: {
1917: (*s_etat_processus).erreur_systeme =
1918: d_es_allocation_memoire;
1919: return;
1920: }
1921:
1922: l_element_liste = (*l_element_liste).suivant;
1923: }
1924:
1925: (*l_element_liste).suivant = NULL;
1926:
1927: if (((*l_element_liste).donnee = allocation(s_etat_processus,
1928: INT)) == NULL)
1929: {
1930: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1931: return;
1932: }
1933:
1934: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
1935: }
1936: }
1937:
1938: (*(*l_element_courant).donnee).objet = l_element_futur;
1939:
1940: if (((*l_element_courant).suivant =
1941: allocation_maillon(s_etat_processus)) == NULL)
1942: {
1943: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1944: return;
1945: }
1946:
1947: l_element_courant = (*l_element_courant).suivant;
1948:
1949: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
1950: == NULL)
1951: {
1952: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1953: return;
1954: }
1955:
1956: l_element_liste = NULL;
1957: l_element_futur = NULL;
1958:
1959: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
1960: {
1961: if ((*s_etat_processus).masque_interruptions[i] == 'N')
1962: {
1963: if (l_element_liste == NULL)
1964: {
1965: if ((l_element_liste =
1966: allocation_maillon(s_etat_processus)) == NULL)
1967: {
1968: (*s_etat_processus).erreur_systeme =
1969: d_es_allocation_memoire;
1970: return;
1971: }
1972:
1973: l_element_futur = l_element_liste;
1974: }
1975: else
1976: {
1977: if (((*l_element_liste).suivant =
1978: allocation_maillon(s_etat_processus)) == NULL)
1979: {
1980: (*s_etat_processus).erreur_systeme =
1981: d_es_allocation_memoire;
1982: return;
1983: }
1984:
1985: l_element_liste = (*l_element_liste).suivant;
1986: }
1987:
1988: (*l_element_liste).suivant = NULL;
1989:
1990: if (((*l_element_liste).donnee = allocation(s_etat_processus,
1991: INT)) == NULL)
1992: {
1993: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1994: return;
1995: }
1996:
1997: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
1998: }
1999: }
2000:
2001: (*(*l_element_courant).donnee).objet = l_element_futur;
2002:
2003: if (((*l_element_courant).suivant = allocation_maillon(s_etat_processus))
2004: == NULL)
2005: {
2006: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2007: return;
2008: }
2009:
2010: l_element_courant = (*l_element_courant).suivant;
2011:
2012: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
2013: == NULL)
2014: {
2015: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2016: return;
2017: }
2018:
2019: l_element_liste = NULL;
2020: l_element_futur = NULL;
2021:
2022: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
2023: {
2024: if ((*s_etat_processus).masque_interruptions[i] == 'Q')
2025: {
2026: if (l_element_liste == NULL)
2027: {
2028: if ((l_element_liste =
2029: allocation_maillon(s_etat_processus)) == NULL)
2030: {
2031: (*s_etat_processus).erreur_systeme =
2032: d_es_allocation_memoire;
2033: return;
2034: }
2035:
2036: l_element_futur = l_element_liste;
2037: }
2038: else
2039: {
2040: if (((*l_element_liste).suivant =
2041: allocation_maillon(s_etat_processus)) == NULL)
2042: {
2043: (*s_etat_processus).erreur_systeme =
2044: d_es_allocation_memoire;
2045: return;
2046: }
2047:
2048: l_element_liste = (*l_element_liste).suivant;
2049: }
2050:
2051: (*l_element_liste).suivant = NULL;
2052:
2053: if (((*l_element_liste).donnee = allocation(s_etat_processus,
2054: INT)) == NULL)
2055: {
2056: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2057: return;
2058: }
2059:
2060: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
2061: }
2062: }
2063:
2064: (*(*l_element_courant).donnee).objet = l_element_futur;
2065:
2066: if (((*l_element_courant).suivant = allocation_maillon(s_etat_processus))
2067: == NULL)
2068: {
2069: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2070: return;
2071: }
2072:
2073: l_element_courant = (*l_element_courant).suivant;
2074:
2075: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
2076: == NULL)
2077: {
2078: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2079: return;
2080: }
2081:
2082: l_element_liste = NULL;
2083: l_element_futur = NULL;
2084:
2085: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
2086: {
2087: if ((*s_etat_processus).masque_interruptions[i] == 'I')
2088: {
2089: if (l_element_liste == NULL)
2090: {
2091: if ((l_element_liste =
2092: allocation_maillon(s_etat_processus)) == NULL)
2093: {
2094: (*s_etat_processus).erreur_systeme =
2095: d_es_allocation_memoire;
2096: return;
2097: }
2098:
2099: l_element_futur = l_element_liste;
2100: }
2101: else
2102: {
2103: if (((*l_element_liste).suivant =
2104: allocation_maillon(s_etat_processus)) == NULL)
2105: {
2106: (*s_etat_processus).erreur_systeme =
2107: d_es_allocation_memoire;
2108: return;
2109: }
2110:
2111: l_element_liste = (*l_element_liste).suivant;
2112: }
2113:
2114: (*l_element_liste).suivant = NULL;
2115:
2116: if (((*l_element_liste).donnee = allocation(s_etat_processus,
2117: INT)) == NULL)
2118: {
2119: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2120: return;
2121: }
2122:
2123: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
2124: }
2125: }
2126:
2127: (*(*l_element_courant).donnee).objet = l_element_futur;
2128:
2129: (*l_element_courant).suivant = NULL;
2130:
2131: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2132: s_objet_resultat) == d_erreur)
2133: {
2134: return;
2135: }
2136:
2137: return;
2138: }
2139:
2140:
2141: /*
2142: ================================================================================
2143: Fonction 'swiunlock'
2144: ================================================================================
2145: Entrées : structure processus
2146: --------------------------------------------------------------------------------
2147: Sorties :
2148: --------------------------------------------------------------------------------
2149: Effets de bord : néant
2150: ================================================================================
2151: */
2152:
2153: void
2154: instruction_swiunlock(struct_processus *s_etat_processus)
2155: {
2156: integer8 interruption;
2157:
2158: struct_liste_chainee *l_element_courant;
2159:
2160: struct_objet *s_objet_argument;
2161:
2162: (*s_etat_processus).erreur_execution = d_ex;
2163:
2164: if ((*s_etat_processus).affichage_arguments == 'Y')
2165: {
2166: printf("\n SWIUNLOCK ");
2167:
2168: if ((*s_etat_processus).langue == 'F')
2169: {
2170: printf("(déverrouillage des interruptions logicielles)\n\n");
2171: }
2172: else
2173: {
2174: printf("(software interrupt unlock)\n\n");
2175: }
2176:
2177: printf(" 1: %s, %s\n", d_INT, d_LST);
2178:
2179: return;
2180: }
2181: else if ((*s_etat_processus).test_instruction == 'Y')
2182: {
2183: (*s_etat_processus).nombre_arguments = -1;
2184: return;
2185: }
2186:
2187: if (test_cfsf(s_etat_processus, 31) == d_vrai)
2188: {
2189: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
2190: {
2191: return;
2192: }
2193: }
2194:
2195: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2196: &s_objet_argument) == d_erreur)
2197: {
2198: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
2199: return;
2200: }
2201:
2202: if ((*s_objet_argument).type == INT)
2203: {
2204: interruption = (*((integer8 *) (*s_objet_argument).objet));
2205:
2206: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2207: {
2208: liberation(s_etat_processus, s_objet_argument);
2209:
2210: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
2211: return;
2212: }
2213:
2214: (*s_etat_processus).masque_interruptions[interruption - 1] = 'N';
2215: }
2216: else if ((*s_objet_argument).type == LST)
2217: {
2218: l_element_courant = (*s_objet_argument).objet;
2219:
2220: while(l_element_courant)
2221: {
2222: if ((*(*l_element_courant).donnee).type != INT)
2223: {
2224: liberation(s_etat_processus, s_objet_argument);
2225:
2226: (*s_etat_processus).erreur_execution =
2227: d_ex_erreur_type_argument;
2228: return;
2229: }
2230:
2231: interruption = (*((integer8 *) (*(*l_element_courant)
2232: .donnee).objet));
2233:
2234: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2235: {
2236: liberation(s_etat_processus, s_objet_argument);
2237:
2238: (*s_etat_processus).erreur_execution =
2239: d_ex_interruption_invalide;
2240: return;
2241: }
2242:
2243: (*s_etat_processus).masque_interruptions[interruption - 1] = 'N';
2244: l_element_courant = (*l_element_courant).suivant;
2245: }
2246: }
2247: else
2248: {
2249: liberation(s_etat_processus, s_objet_argument);
2250:
2251: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
2252: return;
2253: }
2254:
2255: liberation(s_etat_processus, s_objet_argument);
2256:
2257: return;
2258: }
2259:
2260:
2261: /*
2262: ================================================================================
2263: Fonction 'swiqueue'
2264: ================================================================================
2265: Entrées : structure processus
2266: --------------------------------------------------------------------------------
2267: Sorties :
2268: --------------------------------------------------------------------------------
2269: Effets de bord : néant
2270: ================================================================================
2271: */
2272:
2273: void
2274: instruction_swiqueue(struct_processus *s_etat_processus)
2275: {
2276: integer8 interruption;
2277:
2278: struct_liste_chainee *l_element_courant;
2279:
2280: struct_objet *s_objet_argument;
2281:
2282: (*s_etat_processus).erreur_execution = d_ex;
2283:
2284: if ((*s_etat_processus).affichage_arguments == 'Y')
2285: {
2286: printf("\n SWIQUEUE ");
2287:
2288: if ((*s_etat_processus).langue == 'F')
2289: {
2290: printf("(enregistre des interruptions logicielles)\n\n");
2291: }
2292: else
2293: {
2294: printf("(software interrupt record)\n\n");
2295: }
2296:
2297: printf(" 1: %s, %s\n", d_INT, d_LST);
2298:
2299: return;
2300: }
2301: else if ((*s_etat_processus).test_instruction == 'Y')
2302: {
2303: (*s_etat_processus).nombre_arguments = -1;
2304: return;
2305: }
2306:
2307: if (test_cfsf(s_etat_processus, 31) == d_vrai)
2308: {
2309: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
2310: {
2311: return;
2312: }
2313: }
2314:
2315: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2316: &s_objet_argument) == d_erreur)
2317: {
2318: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
2319: return;
2320: }
2321:
2322: if ((*s_objet_argument).type == INT)
2323: {
2324: interruption = (*((integer8 *) (*s_objet_argument).objet));
2325:
2326: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2327: {
2328: liberation(s_etat_processus, s_objet_argument);
2329:
2330: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
2331: return;
2332: }
2333:
2334: (*s_etat_processus).masque_interruptions[interruption - 1] = 'Q';
2335: }
2336: else if ((*s_objet_argument).type == LST)
2337: {
2338: l_element_courant = (*s_objet_argument).objet;
2339:
2340: while(l_element_courant)
2341: {
2342: if ((*(*l_element_courant).donnee).type != INT)
2343: {
2344: liberation(s_etat_processus, s_objet_argument);
2345:
2346: (*s_etat_processus).erreur_execution =
2347: d_ex_erreur_type_argument;
2348: return;
2349: }
2350:
2351: interruption = (*((integer8 *) (*(*l_element_courant)
2352: .donnee).objet));
2353:
2354: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2355: {
2356: liberation(s_etat_processus, s_objet_argument);
2357:
2358: (*s_etat_processus).erreur_execution =
2359: d_ex_interruption_invalide;
2360: return;
2361: }
2362:
2363: (*s_etat_processus).masque_interruptions[interruption - 1] = 'Q';
2364: l_element_courant = (*l_element_courant).suivant;
2365: }
2366: }
2367: else
2368: {
2369: liberation(s_etat_processus, s_objet_argument);
2370:
2371: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
2372: return;
2373: }
2374:
2375: liberation(s_etat_processus, s_objet_argument);
2376:
2377: return;
2378: }
2379:
2380:
2381: /*
2382: ================================================================================
2383: Fonction 'sched'
2384: ================================================================================
2385: Entrées : structure processus
2386: --------------------------------------------------------------------------------
2387: Sorties :
2388: --------------------------------------------------------------------------------
2389: Effets de bord : néant
2390: ================================================================================
2391: */
2392:
2393: void
2394: instruction_sched(struct_processus *s_etat_processus)
2395: {
2396: real8 pourcentage;
2397:
2398: struct_objet *s_objet_argument;
2399:
2400: (*s_etat_processus).erreur_execution = d_ex;
2401:
2402: if ((*s_etat_processus).affichage_arguments == 'Y')
2403: {
2404: printf("\n SCHED ");
2405:
2406: if ((*s_etat_processus).langue == 'F')
2407: {
2408: printf("(limitation des ressources de calcul)\n\n");
2409: }
2410: else
2411: {
2412: printf("(CPU ressources limitation)\n\n");
2413: }
2414:
2415: printf(" 1: %s, %s\n", d_INT, d_REL);
2416:
2417: return;
2418: }
2419: else if ((*s_etat_processus).test_instruction == 'Y')
2420: {
2421: (*s_etat_processus).nombre_arguments = -1;
2422: return;
2423: }
2424:
2425: if (test_cfsf(s_etat_processus, 31) == d_vrai)
2426: {
2427: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
2428: {
2429: return;
2430: }
2431: }
2432:
2433: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2434: &s_objet_argument) == d_erreur)
2435: {
2436: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
2437: return;
2438: }
2439:
2440: if ((*s_objet_argument).type == INT)
2441: {
2442: pourcentage = (real8) (*((integer8 *) (*s_objet_argument).objet));
2443: }
2444: else if ((*s_objet_argument).type == REL)
2445: {
2446: pourcentage = (*((real8 *) (*s_objet_argument).objet));
2447: }
2448: else
2449: {
2450: liberation(s_etat_processus, s_objet_argument);
2451:
2452: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
2453: return;
2454: }
2455:
2456: liberation(s_etat_processus, s_objet_argument);
2457:
2458: if ((pourcentage <= 0) || (pourcentage > 100))
2459: {
2460: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
2461: return;
2462: }
2463:
2464: (*s_etat_processus).pourcentage_maximal_cpu = pourcentage;
2465:
2466: return;
2467: }
2468:
2469: // vim: ts=4