![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to instructions_s8.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [local] / rpl / src|
Return to instructions_s8.c CVS log | Up to [local] / rpl / src |
1.1 bertrand 1: /*
2: ================================================================================
1.51 bertrand 3: RPL/2 (R) version 4.1.12
1.42 bertrand 4: Copyright (C) 1989-2012 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:
1.15 bertrand 23: #include "rpl-conv.h"
1.1 bertrand 24:
25:
26: /*
27: ================================================================================
28: Fonction 'splash'
29: ================================================================================
30: Entrées :
31: --------------------------------------------------------------------------------
32: Sorties :
33: --------------------------------------------------------------------------------
34: Effets de bord : néant
35: ================================================================================
36: */
37:
38: void
39: instruction_splash(struct_processus *s_etat_processus)
40: {
41: real8 attente;
42:
43: struct_objet *s_objet;
44:
45: (*s_etat_processus).erreur_execution = d_ex;
46:
47: if ((*s_etat_processus).affichage_arguments == 'Y')
48: {
49: printf("\n SPLASH ");
50:
51: if ((*s_etat_processus).langue == 'F')
52: {
53: printf("(écran RPL/2)\n\n");
54: }
55: else
56: {
57: printf("(RPL/2 splash screen)\n\n");
58: }
59:
60: printf(" 1: %s, %s\n", d_INT, d_REL);
61:
62: return;
63: }
64: else if ((*s_etat_processus).test_instruction == 'Y')
65: {
66: (*s_etat_processus).nombre_arguments = -1;
67: return;
68: }
69:
70: if (test_cfsf(s_etat_processus, 31) == d_vrai)
71: {
72: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
73: {
74: return;
75: }
76: }
77:
78: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
79: &s_objet) == d_erreur)
80: {
81: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
82: return;
83: }
84:
85: if (((*s_objet).type == INT) ||
86: ((*s_objet).type == REL))
87: {
88: if ((*s_objet).type == INT)
89: {
90: attente = (real8) (*((integer8 *) (*s_objet).objet));
91: }
92: else
93: {
94: attente = (*((real8 *) (*s_objet).objet));
95: }
96:
97: if (attente < 0)
98: {
99: liberation(s_etat_processus, s_objet);
100:
101: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
102: return;
103: }
104:
105: encart(s_etat_processus, (unsigned long) (attente * 1E6));
106: }
107: else
108: {
109: liberation(s_etat_processus, s_objet);
110:
111: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
112: return;
113: }
114:
115: liberation(s_etat_processus, s_objet);
116:
117: return;
118: }
119:
120:
121: /*
122: ================================================================================
123: Fonction 'send'
124: ================================================================================
125: Entrées :
126: --------------------------------------------------------------------------------
127: Sorties :
128: --------------------------------------------------------------------------------
129: Effets de bord : néant
130: ================================================================================
131: */
132:
133: void
134: instruction_send(struct_processus *s_etat_processus)
135: {
136: pid_t pid;
137:
138: pthread_t tid;
139:
140: sig_atomic_t registre;
141:
142: ssize_t longueur_ecriture;
143:
144: struct_objet *s_objet;
145:
146: struct timespec attente;
147:
148: unsigned char tampon;
149:
150: (*s_etat_processus).erreur_execution = d_ex;
151:
152: if ((*s_etat_processus).affichage_arguments == 'Y')
153: {
154: printf("\n SEND ");
155:
156: if ((*s_etat_processus).langue == 'F')
157: {
158: printf("(envoi de données au processus père)\n\n");
159: }
160: else
161: {
162: printf("(send data to parent process)\n\n");
163: }
164:
165: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
166: " %s, %s, %s, %s, %s,\n"
167: " %s, %s, %s, %s, %s\n",
168: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
169: d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_TAB);
170:
171: return;
172: }
173: else if ((*s_etat_processus).test_instruction == 'Y')
174: {
175: (*s_etat_processus).nombre_arguments = -1;
176: return;
177: }
178:
179: if (test_cfsf(s_etat_processus, 31) == d_vrai)
180: {
181: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
182: {
183: return;
184: }
185: }
186:
187: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
188: &s_objet) == d_erreur)
189: {
190: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
191: return;
192: }
193:
194: if ((*s_etat_processus).presence_pipes == d_faux)
195: {
196: liberation(s_etat_processus, s_objet);
197:
198: (*s_etat_processus).erreur_execution = d_ex_absence_processus_pere;
199: return;
200: }
201:
202: if (((*s_objet).type != INT) &&
203: ((*s_objet).type != REL) &&
204: ((*s_objet).type != CPL) &&
205: ((*s_objet).type != VIN) &&
206: ((*s_objet).type != VRL) &&
207: ((*s_objet).type != VCX) &&
208: ((*s_objet).type != MIN) &&
209: ((*s_objet).type != MRL) &&
210: ((*s_objet).type != MCX) &&
211: ((*s_objet).type != BIN) &&
212: ((*s_objet).type != NOM) &&
213: ((*s_objet).type != CHN) &&
214: ((*s_objet).type != LST) &&
215: ((*s_objet).type != ALG) &&
216: ((*s_objet).type != RPN) &&
217: ((*s_objet).type != TBL))
218: {
219: liberation(s_etat_processus, s_objet);
220:
221: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
222: return;
223: }
224:
225: /*
226: * On signale au processus père qu'il y a un objet de plus
227: * dans le pipe de données.
228: */
229:
230: registre = (*s_etat_processus).var_volatile_traitement_retarde_stop;
231: (*s_etat_processus).var_volatile_traitement_retarde_stop = 1;
232:
233: if ((*s_etat_processus).processus_detache == d_vrai)
234: {
235: if ((*s_etat_processus).profilage == d_vrai)
236: {
237: profilage(s_etat_processus, "Interprocess communications (SEND)");
238:
239: if ((*s_etat_processus).erreur_systeme != d_es)
240: {
241: return;
242: }
243: }
244:
245: pid = -3;
246:
247: attente.tv_sec = 0;
248: attente.tv_nsec = GRANULARITE_us * 1000;
249:
1.38 bertrand 250: # ifndef SEMAPHORES_NOMMES
251: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
252: # else
253: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
254: # endif
1.1 bertrand 255: {
256: (*s_etat_processus).erreur_systeme = d_es_processus;
257: return;
258: }
259:
260: while((longueur_ecriture = write_atomic(s_etat_processus,
261: (*s_etat_processus).pipe_nombre_objets_attente,
262: &pid, sizeof(pid))) != sizeof(pid))
263: {
1.38 bertrand 264: # ifndef SEMAPHORES_NOMMES
265: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
266: # else
267: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
268: # endif
1.1 bertrand 269: {
1.37 bertrand 270: if (errno != EINTR)
271: {
272: (*s_etat_processus).erreur_systeme = d_es_processus;
273: return;
274: }
1.1 bertrand 275: }
276:
277: if (longueur_ecriture == -1)
278: {
279: if ((*s_etat_processus).profilage == d_vrai)
280: {
281: profilage(s_etat_processus, NULL);
282: }
283:
284: (*s_etat_processus).erreur_systeme = d_es_processus;
285: return;
286: }
287:
288: nanosleep(&attente, NULL);
289: INCR_GRANULARITE(attente.tv_nsec);
290:
1.38 bertrand 291: # ifndef SEMAPHORES_NOMMES
292: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
293: # else
294: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
295: # endif
1.7 bertrand 296: {
297: (*s_etat_processus).erreur_systeme = d_es_processus;
298: return;
299: }
1.35 bertrand 300:
301: scrutation_interruptions(s_etat_processus);
1.1 bertrand 302: }
303:
304: pid = getpid();
305:
306: attente.tv_sec = 0;
307: attente.tv_nsec = GRANULARITE_us * 1000;
308:
309: while((longueur_ecriture = write_atomic(s_etat_processus,
310: (*s_etat_processus).pipe_nombre_objets_attente,
311: &pid, sizeof(pid))) != sizeof(pid))
312: {
1.38 bertrand 313: # ifndef SEMAPHORES_NOMMES
314: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
315: # else
316: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
317: # endif
1.1 bertrand 318: {
1.37 bertrand 319: if (errno != EINTR)
320: {
321: (*s_etat_processus).erreur_systeme = d_es_processus;
322: return;
323: }
1.1 bertrand 324: }
325:
326: if (longueur_ecriture == -1)
327: {
328: if ((*s_etat_processus).profilage == d_vrai)
329: {
330: profilage(s_etat_processus, NULL);
331: }
332:
333: (*s_etat_processus).erreur_systeme = d_es_processus;
334: return;
335: }
336:
337: nanosleep(&attente, NULL);
338: INCR_GRANULARITE(attente.tv_nsec);
339:
1.38 bertrand 340: # ifndef SEMAPHORES_NOMMES
341: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
342: # else
343: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
344: # endif
1.1 bertrand 345: {
346: (*s_etat_processus).erreur_systeme = d_es_processus;
347: return;
348: }
1.35 bertrand 349:
350: scrutation_interruptions(s_etat_processus);
1.1 bertrand 351: }
352:
1.38 bertrand 353: # ifndef SEMAPHORES_NOMMES
354: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
355: # else
356: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
357: # endif
1.1 bertrand 358: {
1.37 bertrand 359: if (errno != EINTR)
360: {
361: (*s_etat_processus).erreur_systeme = d_es_processus;
362: return;
363: }
1.1 bertrand 364: }
365: }
366: else
367: {
368: if ((*s_etat_processus).profilage == d_vrai)
369: {
370: profilage(s_etat_processus, "Interthread communications (SEND)");
371:
372: if ((*s_etat_processus).erreur_systeme != d_es)
373: {
374: return;
375: }
376: }
377:
1.48 bertrand 378: tid = (pthread_t) -3;
1.1 bertrand 379:
380: attente.tv_sec = 0;
381: attente.tv_nsec = GRANULARITE_us * 1000;
382:
1.38 bertrand 383: # ifndef SEMAPHORES_NOMMES
384: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
385: # else
386: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
387: # endif
1.1 bertrand 388: {
389: (*s_etat_processus).erreur_systeme = d_es_processus;
390: return;
391: }
392:
393: while((longueur_ecriture = write_atomic(s_etat_processus,
394: (*s_etat_processus).pipe_nombre_objets_attente,
395: &tid, sizeof(tid))) != sizeof(tid))
396: {
1.38 bertrand 397: # ifndef SEMAPHORES_NOMMES
398: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
399: # else
400: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
401: # endif
1.1 bertrand 402: {
1.34 bertrand 403: (*s_etat_processus).erreur_systeme = d_es_processus;
404: return;
1.1 bertrand 405: }
406:
407: if (longueur_ecriture == -1)
408: {
409: if ((*s_etat_processus).profilage == d_vrai)
410: {
411: profilage(s_etat_processus, NULL);
412: }
413:
414: (*s_etat_processus).erreur_systeme = d_es_processus;
415: return;
416: }
417:
418: nanosleep(&attente, NULL);
419: INCR_GRANULARITE(attente.tv_nsec);
420:
1.38 bertrand 421: # ifndef SEMAPHORES_NOMMES
422: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
423: # else
424: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
425: # endif
1.1 bertrand 426: {
427: (*s_etat_processus).erreur_systeme = d_es_processus;
428: return;
429: }
1.35 bertrand 430:
431: scrutation_interruptions(s_etat_processus);
1.1 bertrand 432: }
433:
434: tid = pthread_self();
435:
436: attente.tv_sec = 0;
437: attente.tv_nsec = GRANULARITE_us * 1000;
438:
439: while((longueur_ecriture = write_atomic(s_etat_processus,
440: (*s_etat_processus).pipe_nombre_objets_attente,
441: &tid, sizeof(tid))) != sizeof(tid))
442: {
1.38 bertrand 443: # ifndef SEMAPHORES_NOMMES
444: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
445: # else
446: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
447: # endif
1.1 bertrand 448: {
1.37 bertrand 449: if (errno != EINTR)
450: {
451: (*s_etat_processus).erreur_systeme = d_es_processus;
452: return;
453: }
1.1 bertrand 454: }
455:
456: if (longueur_ecriture == -1)
457: {
458: if ((*s_etat_processus).profilage == d_vrai)
459: {
460: profilage(s_etat_processus, NULL);
461: }
462:
463: (*s_etat_processus).erreur_systeme = d_es_processus;
464: return;
465: }
466:
467: nanosleep(&attente, NULL);
468: INCR_GRANULARITE(attente.tv_nsec);
469:
1.38 bertrand 470: # ifndef SEMAPHORES_NOMMES
471: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
472: # else
473: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
474: # endif
1.7 bertrand 475: {
476: (*s_etat_processus).erreur_systeme = d_es_processus;
477: return;
478: }
1.35 bertrand 479:
480: scrutation_interruptions(s_etat_processus);
1.1 bertrand 481: }
482:
1.38 bertrand 483: # ifndef SEMAPHORES_NOMMES
484: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
485: # else
486: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
487: # endif
1.1 bertrand 488: {
1.34 bertrand 489: (*s_etat_processus).erreur_systeme = d_es_processus;
490: return;
1.1 bertrand 491: }
492: }
493:
494: (*s_etat_processus).nombre_objets_envoyes_non_lus++;
495:
496: attente.tv_sec = 0;
497: attente.tv_nsec = GRANULARITE_us * 1000;
498:
1.38 bertrand 499: # ifndef SEMAPHORES_NOMMES
500: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
501: # else
502: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
503: # endif
1.7 bertrand 504: {
505: (*s_etat_processus).erreur_systeme = d_es_processus;
506: return;
507: }
1.1 bertrand 508:
509: while(read_atomic(s_etat_processus, (*s_etat_processus).pipe_acquittement,
510: &tampon, sizeof(unsigned char)) != sizeof(unsigned char))
511: {
1.38 bertrand 512: # ifndef SEMAPHORES_NOMMES
513: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
514: # else
515: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
516: # endif
1.1 bertrand 517: {
1.37 bertrand 518: if (errno != EINTR)
519: {
520: (*s_etat_processus).erreur_systeme = d_es_processus;
521: return;
522: }
1.1 bertrand 523: }
524:
525: nanosleep(&attente, NULL);
526: INCR_GRANULARITE(attente.tv_nsec);
527:
1.38 bertrand 528: # ifndef SEMAPHORES_NOMMES
529: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
530: # else
531: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
532: # endif
1.1 bertrand 533: {
534: (*s_etat_processus).erreur_systeme = d_es_processus;
535: return;
536: }
1.35 bertrand 537:
538: scrutation_interruptions(s_etat_processus);
1.1 bertrand 539: }
540:
1.38 bertrand 541: # ifndef SEMAPHORES_NOMMES
542: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
543: # else
544: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
545: # endif
1.1 bertrand 546: {
1.37 bertrand 547: if (errno != EINTR)
548: {
549: (*s_etat_processus).erreur_systeme = d_es_processus;
550: return;
551: }
1.1 bertrand 552: }
553:
554: // Envoi d'un PID invalide (-1) pour ne pas bloquer le thread
555: // de surveillance.
556:
557: if ((*s_etat_processus).processus_detache == d_vrai)
558: {
559: pid = -1;
560:
561: attente.tv_sec = 0;
562: attente.tv_nsec = GRANULARITE_us * 1000;
563:
1.38 bertrand 564: # ifndef SEMAPHORES_NOMMES
565: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
566: # else
567: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
568: # endif
1.1 bertrand 569: {
570: (*s_etat_processus).erreur_systeme = d_es_processus;
571: return;
572: }
573:
574: while((longueur_ecriture = write_atomic(s_etat_processus,
575: (*s_etat_processus).pipe_nombre_interruptions_attente,
576: &pid, sizeof(pid))) != sizeof(pid))
577: {
1.38 bertrand 578: # ifndef SEMAPHORES_NOMMES
579: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
580: # else
581: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
582: # endif
1.1 bertrand 583: {
1.34 bertrand 584: (*s_etat_processus).erreur_systeme = d_es_processus;
585: return;
1.1 bertrand 586: }
587:
588: if (longueur_ecriture == -1)
589: {
590: if ((*s_etat_processus).profilage == d_vrai)
591: {
592: profilage(s_etat_processus, NULL);
593: }
594:
595: (*s_etat_processus).erreur_systeme = d_es_processus;
596: return;
597: }
598:
599: nanosleep(&attente, NULL);
600: INCR_GRANULARITE(attente.tv_nsec);
601:
1.38 bertrand 602: # ifndef SEMAPHORES_NOMMES
603: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
604: # else
605: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
606: # endif
1.1 bertrand 607: {
608: (*s_etat_processus).erreur_systeme = d_es_processus;
609: return;
610: }
611: }
612:
1.38 bertrand 613: # ifndef SEMAPHORES_NOMMES
614: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
615: # else
616: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
617: # endif
1.1 bertrand 618: {
1.37 bertrand 619: if (errno != EINTR)
620: {
621: (*s_etat_processus).erreur_systeme = d_es_processus;
622: return;
623: }
1.1 bertrand 624: }
1.35 bertrand 625:
626: scrutation_interruptions(s_etat_processus);
1.1 bertrand 627: }
628: else
629: {
1.48 bertrand 630: tid = (pthread_t) -1;
1.1 bertrand 631:
632: attente.tv_sec = 0;
633: attente.tv_nsec = GRANULARITE_us * 1000;
634:
1.38 bertrand 635: # ifndef SEMAPHORES_NOMMES
636: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
637: # else
638: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
639: # endif
1.1 bertrand 640: {
641: (*s_etat_processus).erreur_systeme = d_es_processus;
642: return;
643: }
644:
645: while((longueur_ecriture = write_atomic(s_etat_processus,
646: (*s_etat_processus).pipe_nombre_interruptions_attente,
647: &tid, sizeof(tid))) != sizeof(tid))
648: {
1.38 bertrand 649: # ifndef SEMAPHORES_NOMMES
650: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
651: # else
652: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
653: # endif
1.1 bertrand 654: {
1.37 bertrand 655: if (errno != EINTR)
656: {
657: (*s_etat_processus).erreur_systeme = d_es_processus;
658: return;
659: }
1.1 bertrand 660: }
661:
662: if (longueur_ecriture == -1)
663: {
664: if ((*s_etat_processus).profilage == d_vrai)
665: {
666: profilage(s_etat_processus, NULL);
667: }
668:
669: (*s_etat_processus).erreur_systeme = d_es_processus;
670: return;
671: }
672:
673: nanosleep(&attente, NULL);
674: INCR_GRANULARITE(attente.tv_nsec);
675:
1.38 bertrand 676: # ifndef SEMAPHORES_NOMMES
677: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
678: # else
679: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
680: # endif
1.1 bertrand 681: {
682: (*s_etat_processus).erreur_systeme = d_es_processus;
683: return;
684: }
1.35 bertrand 685:
686: scrutation_interruptions(s_etat_processus);
1.1 bertrand 687: }
688:
1.38 bertrand 689: # ifndef SEMAPHORES_NOMMES
690: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
691: # else
692: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
693: # endif
1.1 bertrand 694: {
1.37 bertrand 695: if (errno != EINTR)
696: {
697: (*s_etat_processus).erreur_systeme = d_es_processus;
698: return;
699: }
1.1 bertrand 700: }
701: }
702:
703: // ecriture_pipe() ne peut être interrompu par un signal.
704:
1.38 bertrand 705: # ifndef SEMAPHORES_NOMMES
706: if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
707: # else
708: if (sem_post((*s_etat_processus).semaphore_fork) != 0)
709: # endif
1.1 bertrand 710: {
711: (*s_etat_processus).erreur_systeme = d_es_processus;
712: return;
713: }
714:
715: if (ecriture_pipe(s_etat_processus, (*s_etat_processus).pipe_donnees,
716: s_objet) == d_erreur)
717: {
1.38 bertrand 718: # ifndef SEMAPHORES_NOMMES
719: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
720: # else
721: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
722: # endif
1.1 bertrand 723: {
1.37 bertrand 724: if (errno != EINTR)
725: {
726: (*s_etat_processus).erreur_systeme = d_es_processus;
727: return;
728: }
1.1 bertrand 729: }
730:
731: if ((*s_etat_processus).profilage == d_vrai)
732: {
733: profilage(s_etat_processus, NULL);
734: }
735:
736: liberation(s_etat_processus, s_objet);
737: return;
738: }
739:
1.38 bertrand 740: # ifndef SEMAPHORES_NOMMES
741: while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
742: # else
743: while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
744: # endif
1.1 bertrand 745: {
1.37 bertrand 746: if (errno != EINTR)
747: {
748: (*s_etat_processus).erreur_systeme = d_es_processus;
749: return;
750: }
1.1 bertrand 751: }
752:
753: if ((*s_etat_processus).profilage == d_vrai)
754: {
755: profilage(s_etat_processus, NULL);
756: }
757:
758: if (registre == 0)
759: {
760: if ((*s_etat_processus).var_volatile_traitement_retarde_stop == -1)
761: {
762: (*s_etat_processus).var_volatile_requete_arret = -1;
763: }
764:
765: (*s_etat_processus).var_volatile_traitement_retarde_stop = registre;
766: }
767:
768: liberation(s_etat_processus, s_objet);
769: return;
770: }
771:
772:
773: /*
774: ================================================================================
775: Fonction 'sqlquery'
776: ================================================================================
777: Entrées :
778: --------------------------------------------------------------------------------
779: Sorties :
780: --------------------------------------------------------------------------------
781: Effets de bord : néant
782: ================================================================================
783: */
784:
785: void
786: instruction_sqlquery(struct_processus *s_etat_processus)
787: {
788: # define d_LONGUEUR 1024
789:
1.40 bertrand 790: # if defined(MYSQL_SUPPORT) || defined(POSTGRESQL_SUPPORT)
1.1 bertrand 791: logical1 connexion_permanente;
1.40 bertrand 792: # endif
1.1 bertrand 793:
794: struct_objet *s_copie_1;
795: struct_objet *s_objet_1;
796: struct_objet *s_copie_2;
797: struct_objet *s_objet_2;
798:
799: unsigned char *tampon;
800:
801: (*s_etat_processus).erreur_execution = d_ex;
802:
803: if ((*s_etat_processus).affichage_arguments == 'Y')
804: {
805: printf("\n SQLQUERY ");
806:
807: if ((*s_etat_processus).langue == 'F')
808: {
809: printf("(requête SQL)\n\n");
810: }
811: else
812: {
813: printf("(SQL query)\n\n");
814: }
815:
816: printf(" 2: %s\n", d_CHN);
817: printf(" 1: %s\n", d_LST);
818: printf("-> 1: %s\n\n", d_LST);
819:
820: printf(" 2: %s\n", d_CHN);
821: printf(" 1: %s\n", d_SQL);
822: printf("-> 1: %s\n\n", d_LST);
823:
824: if ((*s_etat_processus).langue == 'F')
825: {
826: printf(" Utilisation :\n\n");
827: }
828: else
829: {
830: printf(" Usage:\n\n");
831: }
832:
833: printf(" \"select * from table\"\n");
834: printf(" { \"mysql\" \"server\" \"database\" "
835: "\"user\" \"password\" } SQLQUERY\n");
836: printf(" \"select field from table\"\n");
837: printf(" { \"postgresql:iso-8859-1\" \"server\" "
838: "\"database\" \"user\" \"password\" port }\n");
839: printf(" SQLQUERY\n");
840:
841: return;
842: }
843: else if ((*s_etat_processus).test_instruction == 'Y')
844: {
845: (*s_etat_processus).nombre_arguments = -1;
846: return;
847: }
848:
849: if (test_cfsf(s_etat_processus, 31) == d_vrai)
850: {
851: if (empilement_pile_last(s_etat_processus, 2) == d_erreur)
852: {
853: return;
854: }
855: }
856:
857: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
858: &s_objet_1) == d_erreur)
859: {
860: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
861: return;
862: }
863:
864: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
865: &s_objet_2) == d_erreur)
866: {
867: liberation(s_etat_processus, s_objet_1);
868:
869: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
870: return;
871: }
872:
873: if ((*s_objet_1).type == LST)
874: {
1.40 bertrand 875: # if defined(MYSQL_SUPPORT) || defined(POSTGRESQL_SUPPORT)
1.1 bertrand 876: connexion_permanente = d_faux;
1.40 bertrand 877: # endif
1.1 bertrand 878:
879: s_copie_1 = s_objet_1;
880:
881: if ((s_objet_1 = parametres_sql(s_etat_processus, s_copie_1)) == NULL)
882: {
883: liberation(s_etat_processus, s_copie_1);
884: liberation(s_etat_processus, s_objet_2);
885: return;
886: }
887:
1.45 bertrand 888: if ((*s_etat_processus).erreur_execution ==
889: d_ex_instruction_indisponible)
890: {
891: liberation(s_etat_processus, s_objet_1);
892: liberation(s_etat_processus, s_objet_2);
893: liberation(s_etat_processus, s_copie_1);
894:
895: return;
896: }
897:
1.1 bertrand 898: liberation(s_etat_processus, s_copie_1);
899: }
900: else
901: {
902: if ((*s_objet_1).type == SQL)
903: {
904: if (((*((struct_connecteur_sql *) (*s_objet_1).objet)).pid !=
905: getpid()) || (pthread_equal((*((struct_connecteur_sql *)
906: (*s_objet_1).objet)).tid, pthread_self()) == 0))
907: {
908: (*s_etat_processus).erreur_execution =
909: d_ex_fichier_hors_contexte;
910:
911: liberation(s_etat_processus, s_objet_1);
912: liberation(s_etat_processus, s_objet_2);
913: return;
914: }
915: }
916:
1.40 bertrand 917: # if defined(MYSQL_SUPPORT) || defined(POSTGRESQL_SUPPORT)
1.1 bertrand 918: connexion_permanente = d_vrai;
1.40 bertrand 919: # endif
1.1 bertrand 920: }
921:
922: if (((*s_objet_1).type == SQL) && ((*s_objet_2).type == CHN))
923: {
924: if ((*((struct_connecteur_sql *) (*s_objet_1).objet)).locale != NULL)
925: {
926: /*
927: * Transcodage de la commande SQL
928: */
929:
930: if ((s_copie_2 = copie_objet(s_etat_processus, s_objet_2, 'O'))
931: == NULL)
932: {
933: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
934: return;
935: }
936:
937: liberation(s_etat_processus, s_objet_2);
938: s_objet_2 = s_copie_2;
939:
940: tampon = (*s_objet_2).objet;
941:
942: if (((*s_objet_2).objet = transliteration(s_etat_processus, tampon,
943: (*((struct_connecteur_sql *) (*s_objet_1).objet)).locale,
944: d_locale)) == NULL)
945: {
946: return;
947: }
948:
949: free(tampon);
950: }
951:
952: /*
953: * Pilote MySQL
954: */
955:
956: if (strcmp((*((struct_connecteur_sql *) (*s_objet_1).objet)).type,
957: "MYSQL") == 0)
958: {
959: # ifdef MYSQL_SUPPORT
960:
1.40 bertrand 961: unsigned int i;
962: unsigned int nombre_colonnes;
963:
964: logical1 presence_resultat;
965:
966: MYSQL_RES *resultat_mysql;
967: MYSQL_ROW ligne;
968:
969: struct_objet *s_objet_resultat;
970:
971: struct_liste_chainee *l_element_courant;
972: struct_liste_chainee *l_element_courant_ligne;
1.1 bertrand 973:
974: if (mysql_real_query((*((struct_connecteur_sql *) (*s_objet_1)
975: .objet)).descripteur.mysql, (unsigned char *) (*s_objet_2)
976: .objet, strlen((unsigned char *) (*s_objet_2).objet)) != 0)
977: {
978: if (connexion_permanente == d_faux)
979: {
980: mysql_close((*((struct_connecteur_sql *) (*s_objet_1)
981: .objet)).descripteur.mysql);
982: }
983:
984: liberation(s_etat_processus, s_objet_1);
985: liberation(s_etat_processus, s_objet_2);
986:
987: (*s_etat_processus).erreur_execution = d_ex_erreur_sql;
988: return;
989: }
990:
991: if ((resultat_mysql = mysql_store_result(
992: (*((struct_connecteur_sql *) (*s_objet_1).objet))
993: .descripteur.mysql)) == NULL)
994: {
995: // La requête ne renvoie rien (exemple : INSERT)
996: presence_resultat = d_faux;
997: nombre_colonnes = 0;
998: }
999: else
1000: {
1001: // La requête renvoie une ou plusieurs valeurs.
1002: presence_resultat = d_vrai;
1003: nombre_colonnes = mysql_field_count((*((struct_connecteur_sql *)
1004: (*s_objet_1).objet)).descripteur.mysql);
1005: }
1006:
1007: if ((s_objet_resultat = allocation(s_etat_processus, LST))
1008: == NULL)
1009: {
1010: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1011: return;
1012: }
1013:
1014: (*s_objet_resultat).objet = NULL;
1015: l_element_courant = (*s_objet_resultat).objet;
1016:
1017: while(((presence_resultat == d_vrai) ?
1018: (ligne = mysql_fetch_row(resultat_mysql)) : NULL) != NULL)
1019: {
1020: unsigned long *longueurs;
1021:
1022: longueurs = mysql_fetch_lengths(resultat_mysql);
1023:
1024: if (l_element_courant == NULL)
1025: {
1026: if (((*s_objet_resultat).objet =
1027: allocation_maillon(s_etat_processus)) == NULL)
1028: {
1029: (*s_etat_processus).erreur_systeme =
1030: d_es_allocation_memoire;
1031: return;
1032: }
1033:
1034: l_element_courant = (struct_liste_chainee *)
1035: (*s_objet_resultat).objet;
1036: }
1037: else
1038: {
1039: if (((*l_element_courant).suivant =
1040: allocation_maillon(s_etat_processus)) == NULL)
1041: {
1042: (*s_etat_processus).erreur_systeme =
1043: d_es_allocation_memoire;
1044: return;
1045: }
1046:
1047: l_element_courant = (*l_element_courant).suivant;
1048: }
1049:
1050: (*l_element_courant).suivant = NULL;
1051:
1052: if (((*l_element_courant).donnee = allocation(s_etat_processus,
1053: LST)) == NULL)
1054: {
1055: (*s_etat_processus).erreur_systeme =
1056: d_es_allocation_memoire;
1057: return;
1058: }
1059:
1060: (*(*l_element_courant).donnee).objet = NULL;
1061: l_element_courant_ligne = NULL;
1062:
1063: for(i = 0; i < nombre_colonnes; i++)
1064: {
1065: if (l_element_courant_ligne == NULL)
1066: {
1067: if (((*(*l_element_courant).donnee).objet =
1068: allocation_maillon(s_etat_processus)) == NULL)
1069: {
1070: (*s_etat_processus).erreur_systeme =
1071: d_es_allocation_memoire;
1072: return;
1073: }
1074:
1075: l_element_courant_ligne = (struct_liste_chainee *)
1076: (*(*l_element_courant).donnee).objet;
1077: }
1078: else
1079: {
1080: if (((*l_element_courant_ligne).suivant =
1081: allocation_maillon(s_etat_processus)) == NULL)
1082: {
1083: (*s_etat_processus).erreur_systeme =
1084: d_es_allocation_memoire;
1085: return;
1086: }
1087:
1088: l_element_courant_ligne =
1089: (*l_element_courant_ligne).suivant;
1090: }
1091:
1092: (*l_element_courant_ligne).suivant = NULL;
1093:
1094: if (((*l_element_courant_ligne).donnee =
1095: allocation(s_etat_processus, CHN)) == NULL)
1096: {
1097: (*s_etat_processus).erreur_systeme =
1098: d_es_allocation_memoire;
1099: return;
1100: }
1101:
1102: if (ligne[i] == NULL)
1103: {
1104: if (((*(*l_element_courant_ligne).donnee).objet =
1105: malloc(5 * sizeof(unsigned char))) == NULL)
1106: {
1107: (*s_etat_processus).erreur_systeme =
1108: d_es_allocation_memoire;
1109: return;
1110: }
1111:
1112: strcpy((unsigned char *) (*(*l_element_courant_ligne)
1113: .donnee).objet, "NULL");
1114: }
1115: else
1116: {
1117: if (((*(*l_element_courant_ligne).donnee).objet =
1118: malloc((longueurs[i] + 1) *
1119: sizeof(unsigned char))) == NULL)
1120: {
1121: (*s_etat_processus).erreur_systeme =
1122: d_es_allocation_memoire;
1123: return;
1124: }
1125:
1126: strcpy((unsigned char *) (*(*l_element_courant_ligne)
1127: .donnee).objet, ligne[i]);
1128: }
1129: }
1130: }
1131:
1132: mysql_free_result(resultat_mysql);
1133:
1134: if (connexion_permanente == d_faux)
1135: {
1136: mysql_close((*((struct_connecteur_sql *) (*s_objet_1).objet))
1137: .descripteur.mysql);
1138: }
1139:
1140: if (presence_resultat == d_vrai)
1141: {
1142: if (empilement(s_etat_processus,
1143: &((*s_etat_processus).l_base_pile),
1144: s_objet_resultat) == d_erreur)
1145: {
1146: return;
1147: }
1148: }
1149:
1150: # else
1151:
1152: if ((*s_etat_processus).langue == 'F')
1153: {
1154: printf("+++Attention : Support de MySQL non compilé !\n");
1155: }
1156: else
1157: {
1158: printf("+++Warning : MySQL support not available !\n");
1159: }
1160:
1161: fflush(stdout);
1162: # endif
1163: }
1164:
1165: /*
1166: * Pilote PostgreSQL
1167: */
1168:
1169: else if (strcmp((*((struct_connecteur_sql *) (*s_objet_1).objet)).type,
1170: "POSTGRESQL") == 0)
1171: {
1172: # ifdef POSTGRESQL_SUPPORT
1173:
1.40 bertrand 1174: unsigned int i;
1175: unsigned int j;
1176: unsigned int nombre_colonnes;
1177: unsigned int nombre_lignes;
1178:
1179: logical1 presence_resultat;
1180:
1181: PGresult *resultat_postgresql;
1182:
1183: struct_objet *s_objet_resultat;
1184:
1185: struct_liste_chainee *l_element_courant;
1186: struct_liste_chainee *l_element_courant_ligne;
1.1 bertrand 1187:
1188: if (PQstatus((*((struct_connecteur_sql *) (*s_objet_1).objet))
1189: .descripteur.postgresql) != CONNECTION_OK)
1190: {
1191: if (connexion_permanente == d_faux)
1192: {
1193: PQfinish((*((struct_connecteur_sql *) (*s_objet_1).objet))
1194: .descripteur.postgresql);
1195: }
1196:
1197: liberation(s_etat_processus, s_objet_1);
1198: liberation(s_etat_processus, s_objet_2);
1199:
1200: (*s_etat_processus).erreur_execution = d_ex_erreur_sql;
1201: return;
1202: }
1203:
1204: resultat_postgresql = PQexec((*((struct_connecteur_sql *)
1205: (*s_objet_1).objet)).descripteur.postgresql,
1206: (unsigned char *) (*s_objet_2).objet);
1207: presence_resultat = d_faux;
1208:
1209: switch(PQresultStatus(resultat_postgresql))
1210: {
1211: case PGRES_COMMAND_OK :
1212: { // Commande qui ne renvoit rien
1213: if ((s_objet_resultat = allocation(s_etat_processus, LST))
1214: == NULL)
1215: {
1216: (*s_etat_processus).erreur_systeme =
1217: d_es_allocation_memoire;
1218: return;
1219: }
1220:
1221: (*s_objet_resultat).objet = NULL;
1222: l_element_courant = (*s_objet_resultat).objet;
1223: presence_resultat = d_vrai;
1224:
1225: break;
1226: }
1227:
1228: case PGRES_TUPLES_OK :
1229: { // Commande renvoyant des données
1230: if ((s_objet_resultat = allocation(s_etat_processus, LST))
1231: == NULL)
1232: {
1233: (*s_etat_processus).erreur_systeme =
1234: d_es_allocation_memoire;
1235: return;
1236: }
1237:
1238: (*s_objet_resultat).objet = NULL;
1239: l_element_courant = (*s_objet_resultat).objet;
1240: presence_resultat = d_vrai;
1241:
1242: nombre_colonnes = PQnfields(resultat_postgresql);
1243: nombre_lignes = PQntuples(resultat_postgresql);
1244:
1245: for(i = 0; i < nombre_lignes; i++)
1246: {
1247: // Chaînage d'un nouveau maillon de la liste résultat
1248:
1249: if (l_element_courant == NULL)
1250: {
1251: if (((*s_objet_resultat).objet =
1252: allocation_maillon(s_etat_processus))
1253: == NULL)
1254: {
1255: (*s_etat_processus).erreur_systeme =
1256: d_es_allocation_memoire;
1257: return;
1258: }
1259:
1260: l_element_courant = (struct_liste_chainee *)
1261: (*s_objet_resultat).objet;
1262: }
1263: else
1264: {
1265: if (((*l_element_courant).suivant =
1266: allocation_maillon(s_etat_processus))
1267: == NULL)
1268: {
1269: (*s_etat_processus).erreur_systeme =
1270: d_es_allocation_memoire;
1271: return;
1272: }
1273:
1274: l_element_courant = (*l_element_courant).suivant;
1275: }
1276:
1277: (*l_element_courant).suivant = NULL;
1278:
1279: // Création de la liste fille
1280:
1281: if (((*l_element_courant).donnee =
1282: allocation(s_etat_processus, LST)) == NULL)
1283: {
1284: (*s_etat_processus).erreur_systeme =
1285: d_es_allocation_memoire;
1286: return;
1287: }
1288:
1289: (*(*l_element_courant).donnee).objet = NULL;
1290: l_element_courant_ligne = NULL;
1291:
1292: for(j = 0; j < nombre_colonnes; j++)
1293: {
1294: if (l_element_courant_ligne == NULL)
1295: {
1296: if (((*(*l_element_courant).donnee).objet =
1297: allocation_maillon(s_etat_processus))
1298: == NULL)
1299: {
1300: (*s_etat_processus).erreur_systeme =
1301: d_es_allocation_memoire;
1302: return;
1303: }
1304:
1305: l_element_courant_ligne =
1306: (struct_liste_chainee *)
1307: (*(*l_element_courant).donnee).objet;
1308: }
1309: else
1310: {
1311: if (((*l_element_courant_ligne).suivant =
1312: allocation_maillon(s_etat_processus))
1313: == NULL)
1314: {
1315: l_element_courant_ligne =
1316: (*l_element_courant_ligne).suivant;
1317: }
1318:
1319: l_element_courant_ligne =
1320: (*l_element_courant_ligne).suivant;
1321: }
1322:
1323: (*l_element_courant_ligne).suivant = NULL;
1324:
1325: if (((*l_element_courant_ligne).donnee =
1326: allocation(s_etat_processus, CHN))
1327: == NULL)
1328: {
1329: (*s_etat_processus).erreur_systeme =
1330: d_es_allocation_memoire;
1331: return;
1332: }
1333:
1334: if (PQgetisnull(resultat_postgresql, i, j) != 0)
1335: {
1336: if (((*(*l_element_courant_ligne).donnee).objet
1337: = malloc(5 * sizeof(unsigned char)))
1338: == NULL)
1339: {
1340: (*s_etat_processus).erreur_systeme =
1341: d_es_allocation_memoire;
1342: return;
1343: }
1344:
1345: strcpy((unsigned char *)
1346: (*(*l_element_courant_ligne).donnee)
1347: .objet, "NULL");
1348: }
1349: else
1350: {
1351: if (((*(*l_element_courant_ligne).donnee).objet
1352: = malloc((PQgetlength(
1353: resultat_postgresql, i, j) + 1) *
1354: sizeof(unsigned char))) == NULL)
1355: {
1356: (*s_etat_processus).erreur_systeme =
1357: d_es_allocation_memoire;
1358: return;
1359: }
1360:
1361: strcpy((unsigned char *)
1362: (*(*l_element_courant_ligne).donnee)
1363: .objet, PQgetvalue(resultat_postgresql,
1364: i, j));
1365: }
1366: }
1367: }
1368:
1369: break;
1370: }
1371:
1372: case PGRES_EMPTY_QUERY :
1373: case PGRES_COPY_OUT :
1374: case PGRES_COPY_IN :
1375: case PGRES_BAD_RESPONSE :
1376: case PGRES_NONFATAL_ERROR :
1377: case PGRES_FATAL_ERROR :
1378: default :
1379: {
1380: printf("%s\n", PQresultErrorMessage(resultat_postgresql));
1381: PQclear(resultat_postgresql);
1382:
1383: if (connexion_permanente == d_faux)
1384: {
1385: PQfinish((*((struct_connecteur_sql *) (*s_objet_1)
1386: .objet)).descripteur.postgresql);
1387: }
1388:
1389: liberation(s_etat_processus, s_objet_1);
1390: liberation(s_etat_processus, s_objet_2);
1391:
1392: (*s_etat_processus).erreur_execution = d_ex_erreur_sql;
1393:
1394: return;
1395: break;
1396: }
1397: }
1398:
1399: PQclear(resultat_postgresql);
1400:
1401: if (connexion_permanente == d_faux)
1402: {
1403: PQfinish((*((struct_connecteur_sql *) (*s_objet_1).objet))
1404: .descripteur.postgresql);
1405: }
1406:
1407: if (presence_resultat == d_vrai)
1408: {
1409: if (empilement(s_etat_processus, &((*s_etat_processus)
1410: .l_base_pile), s_objet_resultat) == d_erreur)
1411: {
1412: return;
1413: }
1414: }
1415:
1416: # else
1417:
1418: if ((*s_etat_processus).langue == 'F')
1419: {
1420: printf("+++Attention : Support de PostgreSQL non compilé !\n");
1421: }
1422: else
1423: {
1424: printf("+++Warning : PostgreSQL support not available !\n");
1425: }
1426:
1427: fflush(stdout);
1428: # endif
1429: }
1430: else
1431: {
1432: liberation(s_etat_processus, s_objet_1);
1433: liberation(s_etat_processus, s_objet_2);
1434:
1435: (*s_etat_processus).erreur_execution = d_ex_erreur_sql;
1436: return;
1437: }
1438: }
1439: else
1440: {
1441: liberation(s_etat_processus, s_objet_1);
1442: liberation(s_etat_processus, s_objet_2);
1443:
1444: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1445: return;
1446: }
1447:
1448: liberation(s_etat_processus, s_objet_1);
1449: liberation(s_etat_processus, s_objet_2);
1450:
1451: return;
1452: }
1453:
1454:
1455: /*
1456: ================================================================================
1457: Fonction 'stop'
1458: ================================================================================
1459: Entrées :
1460: --------------------------------------------------------------------------------
1461: Sorties :
1462: --------------------------------------------------------------------------------
1463: Effets de bord : néant
1464: ================================================================================
1465: */
1466:
1467: void
1468: instruction_stop(struct_processus *s_etat_processus)
1469: {
1470: struct_liste_chainee *l_element_courant;
1471:
1472: struct_objet *s_objet;
1473:
1474: (*s_etat_processus).erreur_execution = d_ex;
1475:
1476: if ((*s_etat_processus).affichage_arguments == 'Y')
1477: {
1478: printf("\n STOP ");
1479:
1480: if ((*s_etat_processus).langue == 'F')
1481: {
1482: printf("(arrêt d'un processus)\n\n");
1483: }
1484: else
1485: {
1486: printf("(kill process)\n\n");
1487: }
1488:
1489: printf(" 1: %s\n", d_PRC);
1490:
1491: return;
1492: }
1493: else if ((*s_etat_processus).test_instruction == 'Y')
1494: {
1495: (*s_etat_processus).nombre_arguments = -1;
1496: return;
1497: }
1498:
1499: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1500: {
1501: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1502: {
1503: return;
1504: }
1505: }
1506:
1507: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1508: &s_objet) == d_erreur)
1509: {
1510: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1511: return;
1512: }
1513:
1514: if ((*s_objet).type == PRC)
1515: {
1516: if ((*(*((struct_processus_fils *) (*s_objet).objet)).thread)
1517: .processus_detache == d_vrai)
1518: {
1.33 bertrand 1519: envoi_signal_processus((*(*((struct_processus_fils *)
1520: (*s_objet).objet)).thread).pid, rpl_sigstop);
1.1 bertrand 1521: }
1522: else
1523: {
1524: if (pthread_mutex_lock(&((*s_etat_processus).mutex)) != 0)
1525: {
1526: (*s_etat_processus).erreur_systeme = d_es_processus;
1527: return;
1528: }
1529:
1530: l_element_courant = (struct_liste_chainee *)
1531: (*s_etat_processus).l_base_pile_processus;
1532:
1533: while(l_element_courant != NULL)
1534: {
1535: if ((*(*((struct_processus_fils *) (*(*l_element_courant)
1536: .donnee).objet)).thread).processus_detache == d_faux)
1537: {
1538: if ((pthread_equal((*(*((struct_processus_fils *)
1.9 bertrand 1539: (*(*l_element_courant).donnee).objet)).thread).tid,
1.1 bertrand 1540: (*(*((struct_processus_fils *)
1541: (*s_objet).objet)).thread).tid) != 0) &&
1542: ((*(*((struct_processus_fils *)
1543: (*(*l_element_courant).donnee).objet)).thread).pid
1544: == (*(*((struct_processus_fils *)
1545: (*s_objet).objet)).thread).pid))
1546: {
1547: break;
1548: }
1549: }
1550:
1551: l_element_courant = (*l_element_courant).suivant;
1552: }
1553:
1554: if (l_element_courant != NULL)
1555: {
1556: // Le champ thread_actif est un pointeur sur un champ de la
1557: // structure s_argument_thread libéré par la fonction
1558: // retrait_thread_surveillance().
1559:
1560: if ((*(*((struct_processus_fils *)
1561: (*s_objet).objet)).thread).thread_actif == d_vrai)
1562: {
1563: if (pthread_mutex_lock(&((*(*((struct_processus_fils *)
1564: (*s_objet).objet)).thread).mutex)) != 0)
1565: {
1566: if (pthread_mutex_unlock(&((*s_etat_processus).mutex))
1567: != 0)
1568: {
1569: (*s_etat_processus).erreur_systeme = d_es_processus;
1570: return;
1571: }
1572:
1573: (*s_etat_processus).erreur_systeme = d_es_processus;
1574: return;
1575: }
1576:
1577: if ((*(*((struct_processus_fils *)
1578: (*s_objet).objet)).thread).thread_actif == d_vrai)
1579: {
1.33 bertrand 1580: envoi_signal_thread((*(*((struct_processus_fils *)
1581: (*s_objet).objet)).thread).tid, rpl_sigstop);
1.1 bertrand 1582: }
1583:
1584: if (pthread_mutex_unlock(&((*(*((struct_processus_fils *)
1585: (*s_objet).objet)).thread).mutex)) != 0)
1586: {
1587: if (pthread_mutex_unlock(&((*s_etat_processus).mutex))
1588: != 0)
1589: {
1590: (*s_etat_processus).erreur_systeme = d_es_processus;
1591: return;
1592: }
1593:
1594: (*s_etat_processus).erreur_systeme = d_es_processus;
1595: return;
1596: }
1597: }
1598: }
1599:
1600: if (pthread_mutex_unlock(&((*s_etat_processus).mutex)) != 0)
1601: {
1602: (*s_etat_processus).erreur_systeme = d_es_processus;
1603: return;
1604: }
1605: }
1606: }
1607: else
1608: {
1609: liberation(s_etat_processus, s_objet);
1610:
1611: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1612: return;
1613: }
1614:
1615: liberation(s_etat_processus, s_objet);
1616:
1617: return;
1618: }
1619:
1620: // vim: ts=4