1: /*
2: ================================================================================
3: RPL/2 (R) version 4.1.3
4: Copyright (C) 1989-2011 Dr. BERTRAND Joël
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:
23: #include "rpl-conv.h"
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;
60: struct_objet *s_objet_registre;
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:
144: if ((*(*s_etat_processus).pointeur_variable_courante)
145: .variable_verrouillee == d_vrai)
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:
155: if ((*(*s_etat_processus).pointeur_variable_courante).objet == NULL)
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,
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)
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:
186: if (((*(*(*s_etat_processus).s_liste_variables_partagees)
187: .table[(*(*s_etat_processus).s_liste_variables_partagees)
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))
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: {
233: if (((*(*(*s_etat_processus).pointeur_variable_courante).objet)
234: .type != LST) && ((*(*(*s_etat_processus)
235: .pointeur_variable_courante).objet).type != TBL))
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:
248: s_objet_liste = (*(*s_etat_processus).pointeur_variable_courante)
249: .objet;
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;
261: (*(*s_etat_processus).pointeur_variable_courante).objet = s_objet_liste;
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: {
550: s_objet_registre =
551: (*((struct_tableau *)
552: (*s_objet_liste).objet)).elements
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;
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:
727: if (recherche_variable_globale(s_etat_processus, (*((struct_nom *)
728: (*s_objet_1).objet)).nom) == d_vrai)
729: {
730: /*
731: * Une variable est accessible.
732: */
733:
734: if ((*(*s_etat_processus).pointeur_variable_courante)
735: .variable_verrouillee == d_vrai)
736: {
737: liberation(s_etat_processus, s_objet_1);
738: liberation(s_etat_processus, s_objet_2);
739:
740: (*s_etat_processus).erreur_execution = d_ex_variable_verrouillee;
741: return;
742: }
743:
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);
748:
749: (*s_etat_processus).erreur_execution = d_ex_variable_partagee;
750: return;
751: }
752:
753: liberation(s_etat_processus,
754: (*(*s_etat_processus).pointeur_variable_courante).objet);
755: (*(*s_etat_processus).pointeur_variable_courante).objet = s_objet_2;
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: {
812: struct timespec attente;
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: {
822: printf("(attend un signal RPL/SIGCONT)\n\n");
823: printf(" Aucun argument\n");
824: }
825: else
826: {
827: printf("(wait for RPL/SIGCONT signal)\n\n");
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:
857: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
858: {
859: (*s_etat_processus).erreur_systeme = d_es_processus;
860: return;
861: }
862:
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: }
875:
876: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
877: {
878: (*s_etat_processus).erreur_systeme = d_es_processus;
879: return;
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:
1238: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1239: {
1240: (*s_etat_processus).erreur_systeme = d_es_processus;
1241: return;
1242: }
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: {
1248: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1249: {
1250: (*s_etat_processus).erreur_systeme = d_es_processus;
1251: return;
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:
1276: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
1277: != 0)
1278: {
1279: (*s_etat_processus).erreur_systeme = d_es_processus;
1280: return;
1281: }
1282: }
1283:
1284: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1285: {
1286: (*s_etat_processus).erreur_systeme = d_es_processus;
1287: return;
1288: }
1289: }
1290: else
1291: {
1292: tid = -1;
1293:
1294: attente.tv_sec = 0;
1295: attente.tv_nsec = GRANULARITE_us * 1000;
1296:
1297: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1298: {
1299: (*s_etat_processus).erreur_systeme = d_es_processus;
1300: return;
1301: }
1302:
1303: while((longueur_ecriture = write_atomic(s_etat_processus,
1304: (*s_etat_processus).pipe_nombre_objets_attente,
1305: &tid, sizeof(tid))) != sizeof(tid))
1306: {
1307: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1308: {
1309: (*s_etat_processus).erreur_systeme = d_es_processus;
1310: return;
1311: }
1312:
1313: if (longueur_ecriture == -1)
1314: {
1315: if (registre == 0)
1316: {
1317: if ((*s_etat_processus)
1318: .var_volatile_traitement_retarde_stop == -1)
1319: {
1320: (*s_etat_processus).var_volatile_requete_arret = -1;
1321: }
1322:
1323: (*s_etat_processus)
1324: .var_volatile_traitement_retarde_stop
1325: = registre;
1326: }
1327:
1328: (*s_etat_processus).erreur_systeme = d_es_processus;
1329: return;
1330: }
1331:
1332: nanosleep(&attente, NULL);
1333: INCR_GRANULARITE(attente.tv_nsec);
1334:
1335: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
1336: != 0)
1337: {
1338: (*s_etat_processus).erreur_systeme = d_es_processus;
1339: return;
1340: }
1341: }
1342:
1343: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1344: {
1345: (*s_etat_processus).erreur_systeme = d_es_processus;
1346: return;
1347: }
1348: }
1349:
1350: interruption_reduite = interruption;
1351:
1352: attente.tv_sec = 0;
1353: attente.tv_nsec = GRANULARITE_us * 1000;
1354:
1355: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1356: {
1357: (*s_etat_processus).erreur_systeme = d_es_processus;
1358: return;
1359: }
1360:
1361: while((longueur_ecriture = write_atomic(s_etat_processus,
1362: (*s_etat_processus).pipe_interruptions,
1363: &interruption_reduite, sizeof(interruption_reduite)))
1364: != sizeof(interruption_reduite))
1365: {
1366: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1367: {
1368: (*s_etat_processus).erreur_systeme = d_es_processus;
1369: return;
1370: }
1371:
1372: if (longueur_ecriture == -1)
1373: {
1374: if (registre == 0)
1375: {
1376: if ((*s_etat_processus)
1377: .var_volatile_traitement_retarde_stop == -1)
1378: {
1379: (*s_etat_processus).var_volatile_requete_arret = -1;
1380: }
1381:
1382: (*s_etat_processus)
1383: .var_volatile_traitement_retarde_stop
1384: = registre;
1385: }
1386:
1387: (*s_etat_processus).erreur_systeme = d_es_processus;
1388: return;
1389: }
1390:
1391: nanosleep(&attente, NULL);
1392: INCR_GRANULARITE(attente.tv_nsec);
1393:
1394: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1395: {
1396: (*s_etat_processus).erreur_systeme = d_es_processus;
1397: return;
1398: }
1399: }
1400:
1401: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1402: {
1403: (*s_etat_processus).erreur_systeme = d_es_processus;
1404: return;
1405: }
1406:
1407: if ((*s_etat_processus).processus_detache == d_vrai)
1408: {
1409: pid = -3;
1410:
1411: attente.tv_sec = 0;
1412: attente.tv_nsec = GRANULARITE_us * 1000;
1413:
1414: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1415: {
1416: (*s_etat_processus).erreur_systeme = d_es_processus;
1417: return;
1418: }
1419:
1420: while((longueur_ecriture = write_atomic(s_etat_processus,
1421: (*s_etat_processus).pipe_nombre_interruptions_attente,
1422: &pid, sizeof(pid))) != sizeof(pid))
1423: {
1424: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1425: {
1426: (*s_etat_processus).erreur_systeme = d_es_processus;
1427: return;
1428: }
1429:
1430: if (longueur_ecriture == -1)
1431: {
1432: if (registre == 0)
1433: {
1434: if ((*s_etat_processus)
1435: .var_volatile_traitement_retarde_stop == -1)
1436: {
1437: (*s_etat_processus).var_volatile_requete_arret = -1;
1438: }
1439:
1440: (*s_etat_processus)
1441: .var_volatile_traitement_retarde_stop
1442: = registre;
1443: }
1444:
1445: (*s_etat_processus).erreur_systeme = d_es_processus;
1446: return;
1447: }
1448:
1449: nanosleep(&attente, NULL);
1450: INCR_GRANULARITE(attente.tv_nsec);
1451:
1452: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
1453: != 0)
1454: {
1455: (*s_etat_processus).erreur_systeme = d_es_processus;
1456: return;
1457: }
1458: }
1459:
1460: pid = getpid();
1461:
1462: attente.tv_sec = 0;
1463: attente.tv_nsec = GRANULARITE_us * 1000;
1464:
1465: while((longueur_ecriture = write_atomic(s_etat_processus,
1466: (*s_etat_processus).pipe_nombre_interruptions_attente,
1467: &pid, sizeof(pid))) != sizeof(pid))
1468: {
1469: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1470: {
1471: (*s_etat_processus).erreur_systeme = d_es_processus;
1472: return;
1473: }
1474:
1475: if (longueur_ecriture == -1)
1476: {
1477: if (registre == 0)
1478: {
1479: if ((*s_etat_processus)
1480: .var_volatile_traitement_retarde_stop == -1)
1481: {
1482: (*s_etat_processus).var_volatile_requete_arret = -1;
1483: }
1484:
1485: (*s_etat_processus)
1486: .var_volatile_traitement_retarde_stop
1487: = registre;
1488: }
1489:
1490: (*s_etat_processus).erreur_systeme = d_es_processus;
1491: return;
1492: }
1493:
1494: nanosleep(&attente, NULL);
1495: INCR_GRANULARITE(attente.tv_nsec);
1496:
1497: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
1498: != 0)
1499: {
1500: (*s_etat_processus).erreur_systeme = d_es_processus;
1501: return;
1502: }
1503: }
1504:
1505: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1506: {
1507: (*s_etat_processus).erreur_systeme = d_es_processus;
1508: return;
1509: }
1510: }
1511: else
1512: {
1513: tid = -3;
1514:
1515: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1516: {
1517: (*s_etat_processus).erreur_systeme = d_es_processus;
1518: return;
1519: }
1520:
1521: while((longueur_ecriture = write_atomic(s_etat_processus,
1522: (*s_etat_processus).pipe_nombre_interruptions_attente,
1523: &tid, sizeof(tid))) != sizeof(tid))
1524: {
1525: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1526: {
1527: (*s_etat_processus).erreur_systeme = d_es_processus;
1528: return;
1529: }
1530:
1531: if (longueur_ecriture == -1)
1532: {
1533: if (registre == 0)
1534: {
1535: if ((*s_etat_processus)
1536: .var_volatile_traitement_retarde_stop == -1)
1537: {
1538: (*s_etat_processus).var_volatile_requete_arret = -1;
1539: }
1540:
1541: (*s_etat_processus)
1542: .var_volatile_traitement_retarde_stop
1543: = registre;
1544: }
1545:
1546: (*s_etat_processus).erreur_systeme = d_es_processus;
1547: return;
1548: }
1549:
1550: nanosleep(&attente, NULL);
1551: INCR_GRANULARITE(attente.tv_nsec);
1552:
1553: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
1554: != 0)
1555: {
1556: (*s_etat_processus).erreur_systeme = d_es_processus;
1557: return;
1558: }
1559: }
1560:
1561: tid = pthread_self();
1562:
1563: attente.tv_sec = 0;
1564: attente.tv_nsec = GRANULARITE_us * 1000;
1565:
1566: while((longueur_ecriture = write_atomic(s_etat_processus,
1567: (*s_etat_processus).pipe_nombre_interruptions_attente,
1568: &tid, sizeof(tid))) != sizeof(tid))
1569: {
1570: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1571: {
1572: (*s_etat_processus).erreur_systeme = d_es_processus;
1573: return;
1574: }
1575:
1576: if (longueur_ecriture == -1)
1577:
1578: {
1579: if (registre == 0)
1580: {
1581: if ((*s_etat_processus)
1582: .var_volatile_traitement_retarde_stop == -1)
1583: {
1584: (*s_etat_processus).var_volatile_requete_arret = -1;
1585: }
1586:
1587: (*s_etat_processus)
1588: .var_volatile_traitement_retarde_stop
1589: = registre;
1590: }
1591:
1592: (*s_etat_processus).erreur_systeme = d_es_processus;
1593: return;
1594: }
1595:
1596: nanosleep(&attente, NULL);
1597: INCR_GRANULARITE(attente.tv_nsec);
1598:
1599: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
1600: != 0)
1601: {
1602: (*s_etat_processus).erreur_systeme = d_es_processus;
1603: return;
1604: }
1605: }
1606:
1607: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1608: {
1609: (*s_etat_processus).erreur_systeme = d_es_processus;
1610: return;
1611: }
1612: }
1613:
1614: attente.tv_sec = 0;
1615: attente.tv_nsec = GRANULARITE_us * 1000;
1616:
1617: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1618: {
1619: (*s_etat_processus).erreur_systeme = d_es_processus;
1620: return;
1621: }
1622:
1623: while(read_atomic(s_etat_processus,
1624: (*s_etat_processus).pipe_acquittement,
1625: &tampon, sizeof(unsigned char)) != sizeof(unsigned char))
1626: {
1627: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1628: {
1629: (*s_etat_processus).erreur_systeme = d_es_processus;
1630: return;
1631: }
1632:
1633: nanosleep(&attente, NULL);
1634: INCR_GRANULARITE(attente.tv_nsec);
1635:
1636: if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
1637: {
1638: (*s_etat_processus).erreur_systeme = d_es_processus;
1639: return;
1640: }
1641: }
1642:
1643: if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
1644: {
1645: (*s_etat_processus).erreur_systeme = d_es_processus;
1646: return;
1647: }
1648:
1649: if (registre == 0)
1650: {
1651: if ((*s_etat_processus).var_volatile_traitement_retarde_stop == -1)
1652: {
1653: (*s_etat_processus).var_volatile_requete_arret = -1;
1654: }
1655:
1656: (*s_etat_processus).var_volatile_traitement_retarde_stop = registre;
1657: }
1658: }
1659: else
1660: {
1661: liberation(s_etat_processus, s_objet_argument);
1662:
1663: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1664: return;
1665: }
1666:
1667: liberation(s_etat_processus, s_objet_argument);
1668:
1669: return;
1670: }
1671:
1672:
1673: /*
1674: ================================================================================
1675: Fonction 'swilock'
1676: ================================================================================
1677: Entrées : structure processus
1678: --------------------------------------------------------------------------------
1679: Sorties :
1680: --------------------------------------------------------------------------------
1681: Effets de bord : néant
1682: ================================================================================
1683: */
1684:
1685: void
1686: instruction_swilock(struct_processus *s_etat_processus)
1687: {
1688: integer8 interruption;
1689:
1690: struct_liste_chainee *l_element_courant;
1691:
1692: struct_objet *s_objet_argument;
1693:
1694: (*s_etat_processus).erreur_execution = d_ex;
1695:
1696: if ((*s_etat_processus).affichage_arguments == 'Y')
1697: {
1698: printf("\n SWILOCK ");
1699:
1700: if ((*s_etat_processus).langue == 'F')
1701: {
1702: printf("(verrouillage des interruptions logicielles)\n\n");
1703: }
1704: else
1705: {
1706: printf("(software interrupt lock)\n\n");
1707: }
1708:
1709: printf(" 1: %s, %s\n", d_INT, d_LST);
1710:
1711: return;
1712: }
1713: else if ((*s_etat_processus).test_instruction == 'Y')
1714: {
1715: (*s_etat_processus).nombre_arguments = -1;
1716: return;
1717: }
1718:
1719: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1720: {
1721: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1722: {
1723: return;
1724: }
1725: }
1726:
1727: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1728: &s_objet_argument) == d_erreur)
1729: {
1730: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1731: return;
1732: }
1733:
1734: if ((*s_objet_argument).type == INT)
1735: {
1736: interruption = (*((integer8 *) (*s_objet_argument).objet));
1737:
1738: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
1739: {
1740: liberation(s_etat_processus, s_objet_argument);
1741:
1742: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
1743: return;
1744: }
1745:
1746: (*s_etat_processus).masque_interruptions[interruption - 1] = 'I';
1747: }
1748: else if ((*s_objet_argument).type == LST)
1749: {
1750: l_element_courant = (*s_objet_argument).objet;
1751:
1752: while(l_element_courant)
1753: {
1754: if ((*(*l_element_courant).donnee).type != INT)
1755: {
1756: liberation(s_etat_processus, s_objet_argument);
1757:
1758: (*s_etat_processus).erreur_execution =
1759: d_ex_erreur_type_argument;
1760: return;
1761: }
1762:
1763: interruption = (*((integer8 *) (*(*l_element_courant)
1764: .donnee).objet));
1765:
1766: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
1767: {
1768: liberation(s_etat_processus, s_objet_argument);
1769:
1770: (*s_etat_processus).erreur_execution =
1771: d_ex_interruption_invalide;
1772: return;
1773: }
1774:
1775: (*s_etat_processus).masque_interruptions[interruption - 1] = 'I';
1776: l_element_courant = (*l_element_courant).suivant;
1777: }
1778: }
1779: else
1780: {
1781: liberation(s_etat_processus, s_objet_argument);
1782:
1783: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1784: return;
1785: }
1786:
1787: liberation(s_etat_processus, s_objet_argument);
1788:
1789: return;
1790: }
1791:
1792:
1793: /*
1794: ================================================================================
1795: Fonction 'swistatus'
1796: ================================================================================
1797: Entrées : structure processus
1798: --------------------------------------------------------------------------------
1799: Sorties :
1800: --------------------------------------------------------------------------------
1801: Effets de bord : néant
1802: ================================================================================
1803: */
1804:
1805: void
1806: instruction_swistatus(struct_processus *s_etat_processus)
1807: {
1808: int i;
1809:
1810: struct_liste_chainee *l_element_courant;
1811: struct_liste_chainee *l_element_futur;
1812: struct_liste_chainee *l_element_liste;
1813:
1814: struct_objet *s_objet_resultat;
1815:
1816: (*s_etat_processus).erreur_execution = d_ex;
1817:
1818: if ((*s_etat_processus).affichage_arguments == 'Y')
1819: {
1820: printf("\n SWISTATUS ");
1821:
1822: if ((*s_etat_processus).langue == 'F')
1823: {
1824: printf("(état des interruptions logicielles)\n\n");
1825: }
1826: else
1827: {
1828: printf("(software interrupts status)\n\n");
1829: }
1830:
1831: printf("-> 1: %s\n\n", d_LST);
1832:
1833: if ((*s_etat_processus).langue == 'F')
1834: {
1835: printf(" Utilisation :\n\n");
1836: }
1837: else
1838: {
1839: printf(" Usage:\n\n");
1840: }
1841:
1842: printf(" { { initialized interrupts }\n"
1843: " { unlocked interrupts }\n"
1844: " { queued interrupts }\n"
1845: " { locked interrupts } }\n");
1846: return;
1847: }
1848: else if ((*s_etat_processus).test_instruction == 'Y')
1849: {
1850: (*s_etat_processus).nombre_arguments = -1;
1851: return;
1852: }
1853:
1854: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1855: {
1856: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
1857: {
1858: return;
1859: }
1860: }
1861:
1862: if ((s_objet_resultat = allocation(s_etat_processus, LST)) == NULL)
1863: {
1864: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1865: return;
1866: }
1867:
1868: if (((*s_objet_resultat).objet =
1869: allocation_maillon(s_etat_processus)) == NULL)
1870: {
1871: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1872: return;
1873: }
1874:
1875: l_element_courant = (struct_liste_chainee *) (*s_objet_resultat).objet;
1876:
1877: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
1878: == NULL)
1879: {
1880: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1881: return;
1882: }
1883:
1884: l_element_liste = NULL;
1885: l_element_futur = NULL;
1886:
1887: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
1888: {
1889: if ((*s_etat_processus).corps_interruptions[i] != NULL)
1890: {
1891: if (l_element_liste == NULL)
1892: {
1893: if ((l_element_liste =
1894: allocation_maillon(s_etat_processus)) == NULL)
1895: {
1896: (*s_etat_processus).erreur_systeme =
1897: d_es_allocation_memoire;
1898: return;
1899: }
1900:
1901: l_element_futur = l_element_liste;
1902: }
1903: else
1904: {
1905: if (((*l_element_liste).suivant =
1906: allocation_maillon(s_etat_processus)) == NULL)
1907: {
1908: (*s_etat_processus).erreur_systeme =
1909: d_es_allocation_memoire;
1910: return;
1911: }
1912:
1913: l_element_liste = (*l_element_liste).suivant;
1914: }
1915:
1916: (*l_element_liste).suivant = NULL;
1917:
1918: if (((*l_element_liste).donnee = allocation(s_etat_processus,
1919: INT)) == NULL)
1920: {
1921: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1922: return;
1923: }
1924:
1925: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
1926: }
1927: }
1928:
1929: (*(*l_element_courant).donnee).objet = l_element_futur;
1930:
1931: if (((*l_element_courant).suivant =
1932: allocation_maillon(s_etat_processus)) == NULL)
1933: {
1934: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1935: return;
1936: }
1937:
1938: l_element_courant = (*l_element_courant).suivant;
1939:
1940: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
1941: == NULL)
1942: {
1943: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1944: return;
1945: }
1946:
1947: l_element_liste = NULL;
1948: l_element_futur = NULL;
1949:
1950: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
1951: {
1952: if ((*s_etat_processus).masque_interruptions[i] == 'N')
1953: {
1954: if (l_element_liste == NULL)
1955: {
1956: if ((l_element_liste =
1957: allocation_maillon(s_etat_processus)) == NULL)
1958: {
1959: (*s_etat_processus).erreur_systeme =
1960: d_es_allocation_memoire;
1961: return;
1962: }
1963:
1964: l_element_futur = l_element_liste;
1965: }
1966: else
1967: {
1968: if (((*l_element_liste).suivant =
1969: allocation_maillon(s_etat_processus)) == NULL)
1970: {
1971: (*s_etat_processus).erreur_systeme =
1972: d_es_allocation_memoire;
1973: return;
1974: }
1975:
1976: l_element_liste = (*l_element_liste).suivant;
1977: }
1978:
1979: (*l_element_liste).suivant = NULL;
1980:
1981: if (((*l_element_liste).donnee = allocation(s_etat_processus,
1982: INT)) == NULL)
1983: {
1984: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1985: return;
1986: }
1987:
1988: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
1989: }
1990: }
1991:
1992: (*(*l_element_courant).donnee).objet = l_element_futur;
1993:
1994: if (((*l_element_courant).suivant = allocation_maillon(s_etat_processus))
1995: == NULL)
1996: {
1997: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1998: return;
1999: }
2000:
2001: l_element_courant = (*l_element_courant).suivant;
2002:
2003: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
2004: == NULL)
2005: {
2006: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2007: return;
2008: }
2009:
2010: l_element_liste = NULL;
2011: l_element_futur = NULL;
2012:
2013: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
2014: {
2015: if ((*s_etat_processus).masque_interruptions[i] == 'Q')
2016: {
2017: if (l_element_liste == NULL)
2018: {
2019: if ((l_element_liste =
2020: allocation_maillon(s_etat_processus)) == NULL)
2021: {
2022: (*s_etat_processus).erreur_systeme =
2023: d_es_allocation_memoire;
2024: return;
2025: }
2026:
2027: l_element_futur = l_element_liste;
2028: }
2029: else
2030: {
2031: if (((*l_element_liste).suivant =
2032: allocation_maillon(s_etat_processus)) == NULL)
2033: {
2034: (*s_etat_processus).erreur_systeme =
2035: d_es_allocation_memoire;
2036: return;
2037: }
2038:
2039: l_element_liste = (*l_element_liste).suivant;
2040: }
2041:
2042: (*l_element_liste).suivant = NULL;
2043:
2044: if (((*l_element_liste).donnee = allocation(s_etat_processus,
2045: INT)) == NULL)
2046: {
2047: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2048: return;
2049: }
2050:
2051: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
2052: }
2053: }
2054:
2055: (*(*l_element_courant).donnee).objet = l_element_futur;
2056:
2057: if (((*l_element_courant).suivant = allocation_maillon(s_etat_processus))
2058: == NULL)
2059: {
2060: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2061: return;
2062: }
2063:
2064: l_element_courant = (*l_element_courant).suivant;
2065:
2066: if (((*l_element_courant).donnee = allocation(s_etat_processus, LST))
2067: == NULL)
2068: {
2069: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2070: return;
2071: }
2072:
2073: l_element_liste = NULL;
2074: l_element_futur = NULL;
2075:
2076: for(i = 0; i < d_NOMBRE_INTERRUPTIONS; i++)
2077: {
2078: if ((*s_etat_processus).masque_interruptions[i] == 'I')
2079: {
2080: if (l_element_liste == NULL)
2081: {
2082: if ((l_element_liste =
2083: allocation_maillon(s_etat_processus)) == NULL)
2084: {
2085: (*s_etat_processus).erreur_systeme =
2086: d_es_allocation_memoire;
2087: return;
2088: }
2089:
2090: l_element_futur = l_element_liste;
2091: }
2092: else
2093: {
2094: if (((*l_element_liste).suivant =
2095: allocation_maillon(s_etat_processus)) == NULL)
2096: {
2097: (*s_etat_processus).erreur_systeme =
2098: d_es_allocation_memoire;
2099: return;
2100: }
2101:
2102: l_element_liste = (*l_element_liste).suivant;
2103: }
2104:
2105: (*l_element_liste).suivant = NULL;
2106:
2107: if (((*l_element_liste).donnee = allocation(s_etat_processus,
2108: INT)) == NULL)
2109: {
2110: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2111: return;
2112: }
2113:
2114: (*((integer8 *) (*(*l_element_liste).donnee).objet)) = i + 1;
2115: }
2116: }
2117:
2118: (*(*l_element_courant).donnee).objet = l_element_futur;
2119:
2120: (*l_element_courant).suivant = NULL;
2121:
2122: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2123: s_objet_resultat) == d_erreur)
2124: {
2125: return;
2126: }
2127:
2128: return;
2129: }
2130:
2131:
2132: /*
2133: ================================================================================
2134: Fonction 'swiunlock'
2135: ================================================================================
2136: Entrées : structure processus
2137: --------------------------------------------------------------------------------
2138: Sorties :
2139: --------------------------------------------------------------------------------
2140: Effets de bord : néant
2141: ================================================================================
2142: */
2143:
2144: void
2145: instruction_swiunlock(struct_processus *s_etat_processus)
2146: {
2147: integer8 interruption;
2148:
2149: struct_liste_chainee *l_element_courant;
2150:
2151: struct_objet *s_objet_argument;
2152:
2153: (*s_etat_processus).erreur_execution = d_ex;
2154:
2155: if ((*s_etat_processus).affichage_arguments == 'Y')
2156: {
2157: printf("\n SWIUNLOCK ");
2158:
2159: if ((*s_etat_processus).langue == 'F')
2160: {
2161: printf("(déverrouillage des interruptions logicielles)\n\n");
2162: }
2163: else
2164: {
2165: printf("(software interrupt unlock)\n\n");
2166: }
2167:
2168: printf(" 1: %s, %s\n", d_INT, d_LST);
2169:
2170: return;
2171: }
2172: else if ((*s_etat_processus).test_instruction == 'Y')
2173: {
2174: (*s_etat_processus).nombre_arguments = -1;
2175: return;
2176: }
2177:
2178: if (test_cfsf(s_etat_processus, 31) == d_vrai)
2179: {
2180: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
2181: {
2182: return;
2183: }
2184: }
2185:
2186: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2187: &s_objet_argument) == d_erreur)
2188: {
2189: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
2190: return;
2191: }
2192:
2193: if ((*s_objet_argument).type == INT)
2194: {
2195: interruption = (*((integer8 *) (*s_objet_argument).objet));
2196:
2197: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2198: {
2199: liberation(s_etat_processus, s_objet_argument);
2200:
2201: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
2202: return;
2203: }
2204:
2205: (*s_etat_processus).masque_interruptions[interruption - 1] = 'N';
2206: }
2207: else if ((*s_objet_argument).type == LST)
2208: {
2209: l_element_courant = (*s_objet_argument).objet;
2210:
2211: while(l_element_courant)
2212: {
2213: if ((*(*l_element_courant).donnee).type != INT)
2214: {
2215: liberation(s_etat_processus, s_objet_argument);
2216:
2217: (*s_etat_processus).erreur_execution =
2218: d_ex_erreur_type_argument;
2219: return;
2220: }
2221:
2222: interruption = (*((integer8 *) (*(*l_element_courant)
2223: .donnee).objet));
2224:
2225: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2226: {
2227: liberation(s_etat_processus, s_objet_argument);
2228:
2229: (*s_etat_processus).erreur_execution =
2230: d_ex_interruption_invalide;
2231: return;
2232: }
2233:
2234: (*s_etat_processus).masque_interruptions[interruption - 1] = 'N';
2235: l_element_courant = (*l_element_courant).suivant;
2236: }
2237: }
2238: else
2239: {
2240: liberation(s_etat_processus, s_objet_argument);
2241:
2242: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
2243: return;
2244: }
2245:
2246: liberation(s_etat_processus, s_objet_argument);
2247:
2248: return;
2249: }
2250:
2251:
2252: /*
2253: ================================================================================
2254: Fonction 'swiqueue'
2255: ================================================================================
2256: Entrées : structure processus
2257: --------------------------------------------------------------------------------
2258: Sorties :
2259: --------------------------------------------------------------------------------
2260: Effets de bord : néant
2261: ================================================================================
2262: */
2263:
2264: void
2265: instruction_swiqueue(struct_processus *s_etat_processus)
2266: {
2267: integer8 interruption;
2268:
2269: struct_liste_chainee *l_element_courant;
2270:
2271: struct_objet *s_objet_argument;
2272:
2273: (*s_etat_processus).erreur_execution = d_ex;
2274:
2275: if ((*s_etat_processus).affichage_arguments == 'Y')
2276: {
2277: printf("\n SWIQUEUE ");
2278:
2279: if ((*s_etat_processus).langue == 'F')
2280: {
2281: printf("(enregistre des interruptions logicielles)\n\n");
2282: }
2283: else
2284: {
2285: printf("(software interrupt record)\n\n");
2286: }
2287:
2288: printf(" 1: %s, %s\n", d_INT, d_LST);
2289:
2290: return;
2291: }
2292: else if ((*s_etat_processus).test_instruction == 'Y')
2293: {
2294: (*s_etat_processus).nombre_arguments = -1;
2295: return;
2296: }
2297:
2298: if (test_cfsf(s_etat_processus, 31) == d_vrai)
2299: {
2300: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
2301: {
2302: return;
2303: }
2304: }
2305:
2306: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2307: &s_objet_argument) == d_erreur)
2308: {
2309: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
2310: return;
2311: }
2312:
2313: if ((*s_objet_argument).type == INT)
2314: {
2315: interruption = (*((integer8 *) (*s_objet_argument).objet));
2316:
2317: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2318: {
2319: liberation(s_etat_processus, s_objet_argument);
2320:
2321: (*s_etat_processus).erreur_execution = d_ex_interruption_invalide;
2322: return;
2323: }
2324:
2325: (*s_etat_processus).masque_interruptions[interruption - 1] = 'Q';
2326: }
2327: else if ((*s_objet_argument).type == LST)
2328: {
2329: l_element_courant = (*s_objet_argument).objet;
2330:
2331: while(l_element_courant)
2332: {
2333: if ((*(*l_element_courant).donnee).type != INT)
2334: {
2335: liberation(s_etat_processus, s_objet_argument);
2336:
2337: (*s_etat_processus).erreur_execution =
2338: d_ex_erreur_type_argument;
2339: return;
2340: }
2341:
2342: interruption = (*((integer8 *) (*(*l_element_courant)
2343: .donnee).objet));
2344:
2345: if ((interruption < 1) || (interruption > d_NOMBRE_INTERRUPTIONS))
2346: {
2347: liberation(s_etat_processus, s_objet_argument);
2348:
2349: (*s_etat_processus).erreur_execution =
2350: d_ex_interruption_invalide;
2351: return;
2352: }
2353:
2354: (*s_etat_processus).masque_interruptions[interruption - 1] = 'Q';
2355: l_element_courant = (*l_element_courant).suivant;
2356: }
2357: }
2358: else
2359: {
2360: liberation(s_etat_processus, s_objet_argument);
2361:
2362: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
2363: return;
2364: }
2365:
2366: liberation(s_etat_processus, s_objet_argument);
2367:
2368: return;
2369: }
2370:
2371:
2372: /*
2373: ================================================================================
2374: Fonction 'sched'
2375: ================================================================================
2376: Entrées : structure processus
2377: --------------------------------------------------------------------------------
2378: Sorties :
2379: --------------------------------------------------------------------------------
2380: Effets de bord : néant
2381: ================================================================================
2382: */
2383:
2384: void
2385: instruction_sched(struct_processus *s_etat_processus)
2386: {
2387: real8 pourcentage;
2388:
2389: struct_objet *s_objet_argument;
2390:
2391: (*s_etat_processus).erreur_execution = d_ex;
2392:
2393: if ((*s_etat_processus).affichage_arguments == 'Y')
2394: {
2395: printf("\n SCHED ");
2396:
2397: if ((*s_etat_processus).langue == 'F')
2398: {
2399: printf("(limitation des ressources de calcul)\n\n");
2400: }
2401: else
2402: {
2403: printf("(CPU ressources limitation)\n\n");
2404: }
2405:
2406: printf(" 1: %s, %s\n", d_INT, d_REL);
2407:
2408: return;
2409: }
2410: else if ((*s_etat_processus).test_instruction == 'Y')
2411: {
2412: (*s_etat_processus).nombre_arguments = -1;
2413: return;
2414: }
2415:
2416: if (test_cfsf(s_etat_processus, 31) == d_vrai)
2417: {
2418: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
2419: {
2420: return;
2421: }
2422: }
2423:
2424: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
2425: &s_objet_argument) == d_erreur)
2426: {
2427: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
2428: return;
2429: }
2430:
2431: if ((*s_objet_argument).type == INT)
2432: {
2433: pourcentage = (real8) (*((integer8 *) (*s_objet_argument).objet));
2434: }
2435: else if ((*s_objet_argument).type == REL)
2436: {
2437: pourcentage = (*((real8 *) (*s_objet_argument).objet));
2438: }
2439: else
2440: {
2441: liberation(s_etat_processus, s_objet_argument);
2442:
2443: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
2444: return;
2445: }
2446:
2447: liberation(s_etat_processus, s_objet_argument);
2448:
2449: if ((pourcentage <= 0) || (pourcentage > 100))
2450: {
2451: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
2452: return;
2453: }
2454:
2455: (*s_etat_processus).pourcentage_maximal_cpu = pourcentage;
2456:
2457: return;
2458: }
2459:
2460: // vim: ts=4
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