1: /*
2: ================================================================================
3: RPL/2 (R) version 4.0.18
4: Copyright (C) 1989-2010 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 'alarm'
29: ================================================================================
30: Entrées : pointeur sur une structure struct_processus
31: --------------------------------------------------------------------------------
32: Sorties :
33: --------------------------------------------------------------------------------
34: Effets de bord : néant
35: ================================================================================
36: */
37:
38: void
39: instruction_alarm(struct_processus *s_etat_processus)
40: {
41: double duree;
42:
43: int code_retour;
44: int erreur;
45:
46: logical1 specification_date;
47:
48: struct_liste_chainee *l_element_courant;
49:
50: struct_objet *s_objet_argument;
51:
52: struct timeb st;
53:
54: struct timespec attente;
55:
56: struct timeval debut_interruption;
57: struct timeval duree_interruption;
58: struct timeval fin_interruption;
59:
60: struct tm *s_time_actuel;
61: struct tm s_time_alarme;
62: struct tm s_time_registre;
63:
64: time_t alarme;
65:
66: unsigned long nombre_elements;
67:
68: (*s_etat_processus).erreur_execution = d_ex;
69:
70: if ((*s_etat_processus).affichage_arguments == 'Y')
71: {
72: printf("\n ALARM ");
73:
74: if ((*s_etat_processus).langue == 'F')
75: {
76: printf("(suspension du processus jusqu'à un instant spécifié)\n\n");
77: }
78: else
79: {
80: printf("(wait until timestamp)\n\n");
81: }
82:
83: printf(" 1: %s\n\n", d_LST);
84:
85: if ((*s_etat_processus).langue == 'F')
86: {
87: printf(" Utilisation :\n\n");
88: }
89: else
90: {
91: printf(" Usage:\n\n");
92: }
93:
94: printf(" { hours minutes } ALARM\n");
95: printf(" { hours minutes seconds } ALARM\n");
96: printf(" { hours minutes seconds day } ALARM\n");
97: printf(" { hours minutes seconds day month } ALARM\n");
98: printf(" { hours minutes seconds day month year } ALARM\n");
99:
100: return;
101: }
102: else if ((*s_etat_processus).test_instruction == 'Y')
103: {
104: (*s_etat_processus).nombre_arguments = 1;
105: return;
106: }
107:
108: if (test_cfsf(s_etat_processus, 31) == d_vrai)
109: {
110: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
111: {
112: return;
113: }
114: }
115:
116: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
117: &s_objet_argument) == d_erreur)
118: {
119: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
120: return;
121: }
122:
123: if ((*s_objet_argument).type == LST)
124: {
125: l_element_courant = (*s_objet_argument).objet;
126: nombre_elements = 0;
127:
128: while(l_element_courant != NULL)
129: {
130: if ((*(*l_element_courant).donnee).type != INT)
131: {
132: (*s_etat_processus).erreur_execution =
133: d_ex_erreur_type_argument;
134:
135: liberation(s_etat_processus, s_objet_argument);
136: return;
137: }
138:
139: l_element_courant = (*l_element_courant).suivant;
140: nombre_elements++;
141: }
142:
143: if ((nombre_elements < 2) || (nombre_elements > 6))
144: {
145: (*s_etat_processus).erreur_execution =
146: d_ex_argument_invalide;
147:
148: liberation(s_etat_processus, s_objet_argument);
149: return;
150: }
151:
152: st.time = time(NULL);
153: s_time_actuel = localtime(&(st.time));
154:
155: l_element_courant = (*s_objet_argument).objet;
156: s_time_alarme.tm_hour = (*((integer8 *) (*(*l_element_courant)
157: .donnee).objet));
158: l_element_courant = (*l_element_courant).suivant;
159: s_time_alarme.tm_min = (*((integer8 *) (*(*l_element_courant)
160: .donnee).objet));
161: l_element_courant = (*l_element_courant).suivant;
162:
163: specification_date = d_faux;
164:
165: if (l_element_courant != NULL)
166: {
167: s_time_alarme.tm_sec = (*((integer8 *) (*(*l_element_courant)
168: .donnee).objet));
169: l_element_courant = (*l_element_courant).suivant;
170:
171: if (l_element_courant != NULL)
172: {
173: specification_date = d_vrai;
174:
175: s_time_alarme.tm_mday = (*((integer8 *) (*(*l_element_courant)
176: .donnee).objet));
177: l_element_courant = (*l_element_courant).suivant;
178:
179: if (l_element_courant != NULL)
180: {
181: s_time_alarme.tm_mon = (*((integer8 *)
182: (*(*l_element_courant).donnee).objet)) - 1;
183: l_element_courant = (*l_element_courant).suivant;
184:
185: if (l_element_courant != NULL)
186: {
187: s_time_alarme.tm_year = (*((integer8 *)
188: (*(*l_element_courant).donnee).objet))
189: - 1900;
190: l_element_courant = (*l_element_courant).suivant;
191: }
192: else
193: {
194: s_time_alarme.tm_year = (*s_time_actuel).tm_year;
195: }
196: }
197: else
198: {
199: s_time_alarme.tm_mon = (*s_time_actuel).tm_mon;
200: s_time_alarme.tm_year = (*s_time_actuel).tm_year;
201: }
202: }
203: else
204: {
205: s_time_alarme.tm_mday = (*s_time_actuel).tm_mday;
206: s_time_alarme.tm_mon = (*s_time_actuel).tm_mon;
207: s_time_alarme.tm_year = (*s_time_actuel).tm_year;
208: }
209: }
210: else
211: {
212: s_time_alarme.tm_sec = 0;
213: s_time_alarme.tm_mday = (*s_time_actuel).tm_mday;
214: s_time_alarme.tm_mon = (*s_time_actuel).tm_mon;
215: s_time_alarme.tm_year = (*s_time_actuel).tm_year;
216: }
217:
218: s_time_registre = s_time_alarme;
219: alarme = mktime(&s_time_alarme);
220:
221: if ((s_time_alarme.tm_sec != s_time_registre.tm_sec) ||
222: (s_time_alarme.tm_min != s_time_registre.tm_min) ||
223: (s_time_alarme.tm_hour != s_time_registre.tm_hour) ||
224: (s_time_alarme.tm_mday != s_time_registre.tm_mday) ||
225: (s_time_alarme.tm_mon != s_time_registre.tm_mon) ||
226: (s_time_alarme.tm_year != s_time_registre.tm_year))
227: {
228: (*s_etat_processus).erreur_execution =
229: d_ex_argument_invalide;
230:
231: liberation(s_etat_processus, s_objet_argument);
232: return;
233: }
234:
235: while((duree = difftime(alarme, st.time)) < 0)
236: {
237: if (specification_date == d_vrai)
238: {
239: (*s_etat_processus).erreur_execution =
240: d_ex_argument_invalide;
241:
242: liberation(s_etat_processus, s_objet_argument);
243: return;
244: }
245:
246: s_time_alarme.tm_mday++;
247: alarme = mktime(&s_time_alarme);
248: }
249:
250: attente.tv_nsec = (long) ((duree - (attente.tv_sec =
251: (long) floor(duree))) * 1000000000);
252:
253: if ((*s_etat_processus).profilage == d_vrai)
254: {
255: profilage(s_etat_processus, "Sleep function (ALARM)");
256:
257: if ((*s_etat_processus).erreur_systeme != d_es)
258: {
259: return;
260: }
261: }
262:
263: do
264: {
265: code_retour = nanosleep(&attente, &attente);
266: erreur = errno;
267:
268: if (code_retour == -1)
269: {
270: gettimeofday(&debut_interruption, NULL);
271:
272: scrutation_injection(s_etat_processus);
273:
274: if ((*s_etat_processus).nombre_interruptions_non_affectees != 0)
275: {
276: affectation_interruptions_logicielles(s_etat_processus);
277: }
278:
279: if ((*s_etat_processus).nombre_interruptions_en_queue != 0)
280: {
281: traitement_interruptions_logicielles(s_etat_processus);
282: }
283:
284: gettimeofday(&fin_interruption, NULL);
285:
286: if (fin_interruption.tv_usec < debut_interruption.tv_usec)
287: {
288: duree_interruption.tv_usec = (1000000
289: + fin_interruption.tv_usec)
290: - debut_interruption.tv_usec;
291: duree_interruption.tv_sec = fin_interruption.tv_sec
292: - (debut_interruption.tv_sec + 1);
293: }
294: else
295: {
296: duree_interruption.tv_usec = fin_interruption.tv_usec
297: - debut_interruption.tv_usec;
298: duree_interruption.tv_sec = fin_interruption.tv_sec
299: - debut_interruption.tv_sec;
300: }
301:
302: if (attente.tv_nsec < (1000 * duree_interruption.tv_usec))
303: {
304: attente.tv_nsec = (1000000000 + attente.tv_nsec)
305: - (1000 * duree_interruption.tv_usec);
306: attente.tv_sec = attente.tv_sec
307: - (duree_interruption.tv_sec + 1);
308: }
309: else
310: {
311: attente.tv_nsec = attente.tv_nsec
312: - (1000 * duree_interruption.tv_usec);
313: attente.tv_sec = attente.tv_sec
314: - duree_interruption.tv_sec;
315: }
316:
317: if (attente.tv_sec < 0)
318: {
319: code_retour = 0;
320: }
321: }
322: } while(((code_retour == -1) && (erreur == EINTR))
323: && ((*s_etat_processus).var_volatile_requete_arret == 0));
324:
325: if ((*s_etat_processus).profilage == d_vrai)
326: {
327: profilage(s_etat_processus, NULL);
328: }
329: }
330: else
331: {
332: liberation(s_etat_processus, s_objet_argument);
333:
334: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
335: return;
336: }
337:
338: liberation(s_etat_processus, s_objet_argument);
339: }
340:
341:
342: /*
343: ================================================================================
344: Fonction 'atexit'
345: ================================================================================
346: Entrées :
347: --------------------------------------------------------------------------------
348: Sorties :
349: --------------------------------------------------------------------------------
350: Effets de bord : néant
351: ================================================================================
352: */
353:
354: void
355: instruction_atexit(struct_processus *s_etat_processus)
356: {
357: struct_objet *s_objet_argument;
358:
359: (*s_etat_processus).erreur_execution = d_ex;
360:
361: if ((*s_etat_processus).affichage_arguments == 'Y')
362: {
363: printf("\n ATEXIT ");
364:
365: if ((*s_etat_processus).langue == 'F')
366: {
367: printf("(exécution d'une fonction à la sortie d'une tâche)\n\n");
368: }
369: else
370: {
371: printf("(register a function to be called on task exit)\n\n");
372: }
373:
374: printf(" 1: %s, %s\n", d_NOM, d_RPN);
375:
376: return;
377: }
378: else if ((*s_etat_processus).test_instruction == 'Y')
379: {
380: (*s_etat_processus).nombre_arguments = 1;
381: return;
382: }
383:
384: if (test_cfsf(s_etat_processus, 31) == d_vrai)
385: {
386: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
387: {
388: return;
389: }
390: }
391:
392: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
393: &s_objet_argument) == d_erreur)
394: {
395: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
396: return;
397: }
398:
399: if ((*s_objet_argument).type == NOM)
400: {
401: liberation(s_etat_processus, (*s_etat_processus).at_exit);
402: (*s_etat_processus).at_exit = s_objet_argument;
403: }
404: else if ((*s_objet_argument).type == RPN)
405: {
406: liberation(s_etat_processus, (*s_etat_processus).at_exit);
407: (*s_etat_processus).at_exit = s_objet_argument;
408: }
409: else
410: {
411: liberation(s_etat_processus, s_objet_argument);
412:
413: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
414: return;
415: }
416:
417: return;
418: }
419: // vim: ts=4
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