version 1.95, 2019/01/29 07:51:19
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version 1.105, 2019/02/28 12:40:38
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Line 1
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/* |
/* |
================================================================================ |
================================================================================ |
RPL/2 (R) version 4.1.30 |
RPL/2 (R) version 4.1.31 |
Copyright (C) 1989-2019 Dr. BERTRAND Joël |
Copyright (C) 1989-2019 Dr. BERTRAND Joël |
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This file is part of RPL/2. |
This file is part of RPL/2. |
Line 3372 instruction_sto(struct_processus *s_etat
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Line 3372 instruction_sto(struct_processus *s_etat
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================================================================================ |
================================================================================ |
*/ |
*/ |
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struct |
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{ |
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struct_processus *s_etat_processus; |
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struct_liste_chainee *fd_stdin; |
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int pipe_entree; |
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volatile int erreur; |
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} arguments_stdin; |
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static void * |
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thread_stdin(void *argument) |
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{ |
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integer8 longueur_ecriture; |
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typeof(arguments_stdin) *ptr; |
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struct_liste_chainee *l_element_courant; |
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struct_processus *s_etat_processus; |
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unsigned char *ligne; |
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ptr = argument; |
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l_element_courant = (*ptr).fd_stdin; |
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s_etat_processus = (*ptr).s_etat_processus; |
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(*ptr).erreur = d_es; |
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while(l_element_courant != NULL) |
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{ |
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if ((ligne = formateur_flux(s_etat_processus, |
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(unsigned char *) (*(*l_element_courant).donnee).objet, |
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&longueur_ecriture)) == NULL) |
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{ |
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(*ptr).erreur = d_es_allocation_memoire; |
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close((*ptr).pipe_entree); |
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pthread_exit(NULL); |
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} |
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while(write_atomic(s_etat_processus, (*ptr).pipe_entree, ligne, |
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(size_t) longueur_ecriture) != longueur_ecriture) |
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{ |
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if (longueur_ecriture == -1) |
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{ |
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(*ptr).erreur = d_es_processus; |
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close((*ptr).pipe_entree); |
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pthread_exit(NULL); |
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} |
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} |
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free(ligne); |
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while(write_atomic(s_etat_processus, (*ptr).pipe_entree, "\n", 1) |
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!= 1) |
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{ |
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if (longueur_ecriture == -1) |
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{ |
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(*ptr).erreur = d_es_processus; |
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close((*ptr).pipe_entree); |
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pthread_exit(NULL); |
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} |
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} |
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l_element_courant = (*l_element_courant).suivant; |
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} |
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if (close((*ptr).pipe_entree) != 0) |
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{ |
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(*ptr).erreur = d_es_processus; |
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} |
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else |
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{ |
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(*ptr).erreur = d_es; |
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} |
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pthread_exit(NULL); |
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} |
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void |
void |
instruction_syseval(struct_processus *s_etat_processus) |
instruction_syseval(struct_processus *s_etat_processus) |
{ |
{ |
Line 3383 instruction_syseval(struct_processus *s_
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Line 3460 instruction_syseval(struct_processus *s_
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int pipes_sortie[2]; |
int pipes_sortie[2]; |
int status; |
int status; |
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integer8 longueur_ecriture; |
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integer8 longueur_traitee; |
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logical1 drapeau_fin; |
logical1 drapeau_fin; |
logical1 presence_stdin; |
logical1 presence_stdin; |
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Line 3394 instruction_syseval(struct_processus *s_
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Line 3468 instruction_syseval(struct_processus *s_
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pid_t pid; |
pid_t pid; |
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pthread_attr_t attributs; |
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pthread_t thread_stdin_tid; |
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struct_liste_chainee *l_element_courant; |
struct_liste_chainee *l_element_courant; |
struct_liste_chainee *l_element_precedent; |
struct_liste_chainee *l_element_precedent; |
struct_liste_chainee *l_element_stdin; |
struct_liste_chainee *l_element_stdin; |
Line 3406 instruction_syseval(struct_processus *s_
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Line 3484 instruction_syseval(struct_processus *s_
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struct sigaction action_courante; |
struct sigaction action_courante; |
struct sigaction action_passee; |
struct sigaction action_passee; |
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unsigned char *ligne; |
struct timespec attente; |
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unsigned char *ptr; |
unsigned char *ptr; |
unsigned char *ptr2; |
unsigned char *ptr2; |
unsigned char registre_autorisation_empilement_programme; |
unsigned char registre_autorisation_empilement_programme; |
Line 3417 instruction_syseval(struct_processus *s_
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Line 3496 instruction_syseval(struct_processus *s_
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integer8 longueur_lecture; |
integer8 longueur_lecture; |
integer8 longueur_lue; |
integer8 longueur_lue; |
integer8 longueur_tampon; |
integer8 longueur_tampon; |
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integer8 longueur_traitee; |
integer8 nombre_lignes; |
integer8 nombre_lignes; |
integer8 pointeur; |
integer8 pointeur; |
integer8 registre_position_courante; |
integer8 registre_position_courante; |
Line 3651 instruction_syseval(struct_processus *s_
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Line 3731 instruction_syseval(struct_processus *s_
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l_element_courant = (*l_element_courant).suivant; |
l_element_courant = (*l_element_courant).suivant; |
} |
} |
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action_courante.sa_handler = SIG_IGN; |
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action_courante.sa_flags = SA_NODEFER | SA_ONSTACK; |
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if (sigaction(SIGINT, &action_courante, &action_passee) != 0) |
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{ |
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for(i = 0; i < nombre_arguments; i++) |
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{ |
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depilement(s_etat_processus, &((*s_etat_processus).l_base_pile), |
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&s_objet_temporaire); |
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liberation(s_etat_processus, s_objet_temporaire); |
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} |
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free(arguments); |
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(*s_etat_processus).erreur_systeme = d_es_signal; |
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return; |
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} |
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if (pipe(pipes_entree) != 0) |
if (pipe(pipes_entree) != 0) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
Line 3688 instruction_syseval(struct_processus *s_
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Line 3751 instruction_syseval(struct_processus *s_
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fflush(NULL); |
fflush(NULL); |
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attente.tv_sec = 0; |
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attente.tv_nsec = GRANULARITE_us * 1000; |
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while(pthread_mutex_trylock(&mutex_sigaction) != 0) |
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{ |
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# ifndef SEMAPHORES_NOMMES |
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if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0) |
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# else |
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if (sem_post((*s_etat_processus).semaphore_fork) != 0) |
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# endif |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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nanosleep(&attente, NULL); |
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INCR_GRANULARITE(attente.tv_nsec); |
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# ifndef SEMAPHORES_NOMMES |
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while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0) |
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# else |
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while(sem_wait((*s_etat_processus).semaphore_fork) != 0) |
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# endif |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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} |
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action_courante.sa_handler = SIG_IGN; |
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action_courante.sa_flags = 0; |
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if (sigaction(SIGINT, &action_courante, &action_passee) != 0) |
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{ |
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for(i = 0; i < nombre_arguments; i++) |
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{ |
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depilement(s_etat_processus, &((*s_etat_processus).l_base_pile), |
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&s_objet_temporaire); |
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liberation(s_etat_processus, s_objet_temporaire); |
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} |
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free(arguments); |
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(*s_etat_processus).erreur_systeme = d_es_signal; |
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return; |
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} |
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verrouillage_threads_concurrents(s_etat_processus); |
verrouillage_threads_concurrents(s_etat_processus); |
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pid = fork(); |
pid = fork(); |
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if (pid < 0) |
if (pid < 0) |
Line 3739 instruction_syseval(struct_processus *s_
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Line 3849 instruction_syseval(struct_processus *s_
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if (close(pipes_entree[1]) != 0) |
if (close(pipes_entree[1]) != 0) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
printf("%d\n",__LINE__); |
} |
} |
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if (close(pipes_sortie[0]) != 0) |
if (close(pipes_sortie[0]) != 0) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
printf("%d\n",__LINE__); |
} |
} |
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if (close(pipes_erreur[0]) != 0) |
if (close(pipes_erreur[0]) != 0) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
printf("%d\n",__LINE__); |
} |
} |
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if (pipes_entree[0] != STDIN_FILENO) |
if (pipes_entree[0] != STDIN_FILENO) |
Line 3759 instruction_syseval(struct_processus *s_
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Line 3869 instruction_syseval(struct_processus *s_
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if (dup2(pipes_entree[0], STDIN_FILENO) == -1) |
if (dup2(pipes_entree[0], STDIN_FILENO) == -1) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
printf("%d\n",__LINE__); |
} |
} |
} |
} |
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Line 3768 instruction_syseval(struct_processus *s_
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Line 3878 instruction_syseval(struct_processus *s_
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if (dup2(pipes_sortie[1], STDOUT_FILENO) == -1) |
if (dup2(pipes_sortie[1], STDOUT_FILENO) == -1) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
printf("%d\n",__LINE__); |
} |
} |
} |
} |
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Line 3777 instruction_syseval(struct_processus *s_
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Line 3887 instruction_syseval(struct_processus *s_
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if (dup2(pipes_sortie[1], STDERR_FILENO) == -1) |
if (dup2(pipes_sortie[1], STDERR_FILENO) == -1) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
printf("%d\n",__LINE__); |
} |
} |
} |
} |
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if (nombre_arguments != 0) |
if ((nombre_arguments != 0) && ((*s_etat_processus).erreur_systeme |
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== d_es)) |
{ |
{ |
execvp(arguments[0], arguments); |
execvp(arguments[0], arguments); |
} |
} |
else |
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{ |
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exit(EXIT_SUCCESS); |
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} |
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/* |
/* |
* L'appel système execvp() a généré une erreur et n'a pu exécuter |
* L'appel système execvp() a généré une erreur et n'a pu exécuter |
Line 3817 instruction_syseval(struct_processus *s_
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Line 3924 instruction_syseval(struct_processus *s_
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write_atomic(s_etat_processus, pipes_erreur[1], " ", 1); |
write_atomic(s_etat_processus, pipes_erreur[1], " ", 1); |
close(pipes_erreur[1]); |
close(pipes_erreur[1]); |
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if ((*s_etat_processus).langue == 'F') |
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{ |
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printf("+++Système : erreurinterne dans SYSEVAL [%d]\n", |
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(int) getpid()); |
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} |
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else |
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{ |
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printf("+++System : SYSEVAL internal error [%d]\n", |
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(int) getpid()); |
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} |
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exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
} |
} |
else |
else |
{ |
{ |
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if (sigaction(SIGINT, &action_passee, NULL) != 0) |
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{ |
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for(i = 0; i < nombre_arguments; i++) |
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{ |
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depilement(s_etat_processus, |
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&((*s_etat_processus).l_base_pile), |
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&s_objet_temporaire); |
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liberation(s_etat_processus, s_objet_temporaire); |
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} |
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free(arguments); |
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(*s_etat_processus).erreur_systeme = d_es_signal; |
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return; |
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} |
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if (pthread_mutex_unlock(&mutex_sigaction) != 0) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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deverrouillage_threads_concurrents(s_etat_processus); |
deverrouillage_threads_concurrents(s_etat_processus); |
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if (close(pipes_entree[0]) != 0) |
if (close(pipes_entree[0]) != 0) |
Line 3843 instruction_syseval(struct_processus *s_
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Line 3982 instruction_syseval(struct_processus *s_
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if (presence_stdin == d_vrai) |
if (presence_stdin == d_vrai) |
{ |
{ |
l_element_courant = l_element_stdin; |
// L'écriture sur stdin est dans un thread séparé pour |
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// ne pas bloquer. |
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while(l_element_courant != NULL) |
if (pthread_attr_init(&attributs) != 0) |
{ |
{ |
if ((ligne = formateur_flux(s_etat_processus, |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(unsigned char *) (*(*l_element_courant).donnee) |
return; |
.objet, &longueur_ecriture)) == NULL) |
} |
{ |
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(*s_etat_processus).erreur_systeme = |
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d_es_allocation_memoire; |
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return; |
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} |
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# ifndef SEMAPHORES_NOMMES |
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if (sem_post(&((*s_etat_processus).semaphore_fork)) |
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!= 0) |
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# else |
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if (sem_post((*s_etat_processus).semaphore_fork) != 0) |
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# endif |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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while(write_atomic(s_etat_processus, |
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pipes_entree[1], ligne, |
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(size_t) longueur_ecriture) != longueur_ecriture) |
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{ |
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# ifndef SEMAPHORES_NOMMES |
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while(sem_wait(&((*s_etat_processus) |
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.semaphore_fork)) != 0) |
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# else |
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while(sem_wait((*s_etat_processus) |
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.semaphore_fork) != 0) |
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# endif |
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{ |
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(*s_etat_processus).erreur_systeme = |
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d_es_processus; |
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return; |
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} |
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if (longueur_ecriture == -1) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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# ifndef SEMAPHORES_NOMMES |
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if (sem_post(&((*s_etat_processus) |
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.semaphore_fork)) != 0) |
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# else |
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if (sem_post((*s_etat_processus) |
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.semaphore_fork) != 0) |
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# endif |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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} |
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free(ligne); |
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while(write_atomic(s_etat_processus, |
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pipes_entree[1], "\n", 1) != 1) |
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{ |
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# ifndef SEMAPHORES_NOMMES |
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while(sem_wait(&((*s_etat_processus) |
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.semaphore_fork)) != 0) |
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# else |
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while(sem_wait((*s_etat_processus) |
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.semaphore_fork) != 0) |
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# endif |
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{ |
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if (errno != EINTR) |
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{ |
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(*s_etat_processus).erreur_systeme = |
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d_es_processus; |
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return; |
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} |
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} |
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if (longueur_ecriture == -1) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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# ifndef SEMAPHORES_NOMMES |
if (pthread_attr_setdetachstate(&attributs, |
if (sem_post(&((*s_etat_processus) |
PTHREAD_CREATE_JOINABLE) != 0) |
.semaphore_fork)) != 0) |
{ |
# else |
(*s_etat_processus).erreur_systeme = d_es_processus; |
if (sem_post((*s_etat_processus) |
return; |
.semaphore_fork) != 0) |
} |
# endif |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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} |
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# ifndef SEMAPHORES_NOMMES |
arguments_stdin.s_etat_processus = s_etat_processus; |
while(sem_wait(&((*s_etat_processus).semaphore_fork)) |
arguments_stdin.fd_stdin = l_element_stdin; |
!= 0) |
arguments_stdin.pipe_entree = pipes_entree[1]; |
# else |
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while(sem_wait((*s_etat_processus).semaphore_fork) != 0) |
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# endif |
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{ |
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if (errno != EINTR) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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} |
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l_element_courant = (*l_element_courant).suivant; |
if (pthread_create(&thread_stdin_tid, &attributs, thread_stdin, |
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&arguments_stdin) != 0) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
} |
} |
} |
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|
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if (close(pipes_entree[1]) != 0) |
if (pthread_attr_destroy(&attributs) != 0) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
return; |
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} |
} |
} |
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longueur_lecture = 65536; |
longueur_lecture = 65536; |
Line 4028 instruction_syseval(struct_processus *s_
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Line 4077 instruction_syseval(struct_processus *s_
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} |
} |
} |
} |
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# ifndef SEMAPHORES_NOMMES |
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while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0) |
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# else |
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while(sem_wait((*s_etat_processus).semaphore_fork) != 0) |
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# endif |
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{ |
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if (errno != EINTR) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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} |
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|
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if (presence_stdin == d_vrai) |
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{ |
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if (pthread_join(thread_stdin_tid, NULL) != 0) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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|
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if (arguments_stdin.erreur != d_es) |
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{ |
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(*s_etat_processus).erreur_systeme = arguments_stdin.erreur; |
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return; |
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} |
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} |
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else |
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{ |
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if (close(pipes_entree[1]) != 0) |
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{ |
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(*s_etat_processus).erreur_systeme = d_es_processus; |
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return; |
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} |
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} |
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do |
do |
{ |
{ |
if (kill(pid, 0) != 0) |
if (kill(pid, 0) != 0) |
{ |
{ |
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// Le processus n'existe plus. |
break; |
break; |
} |
} |
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Line 4053 instruction_syseval(struct_processus *s_
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Line 4139 instruction_syseval(struct_processus *s_
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{ |
{ |
if (errno != EINTR) |
if (errno != EINTR) |
{ |
{ |
# ifndef SEMAPHORES_NOMMES |
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if (sem_post(&((*s_etat_processus).semaphore_fork)) |
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!= 0) |
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# else |
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if (sem_post((*s_etat_processus).semaphore_fork) |
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!= 0) |
|
# endif |
|
{ |
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
|
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
return; |
return; |
} |
} |
Line 4084 instruction_syseval(struct_processus *s_
|
Line 4158 instruction_syseval(struct_processus *s_
|
} |
} |
} while((!WIFEXITED(status)) && (!WIFSIGNALED(status))); |
} while((!WIFEXITED(status)) && (!WIFSIGNALED(status))); |
|
|
# ifndef SEMAPHORES_NOMMES |
|
while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0) |
|
# else |
|
while(sem_wait((*s_etat_processus).semaphore_fork) != 0) |
|
# endif |
|
{ |
|
if (errno != EINTR) |
|
{ |
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
} |
|
|
|
if (ios == -1) |
if (ios == -1) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_processus; |
(*s_etat_processus).erreur_systeme = d_es_processus; |
Line 4199 instruction_syseval(struct_processus *s_
|
Line 4260 instruction_syseval(struct_processus *s_
|
free(tampon); |
free(tampon); |
} |
} |
|
|
if (sigaction(SIGINT, &action_passee, NULL) != 0) |
|
{ |
|
for(i = 0; i < nombre_arguments; i++) |
|
{ |
|
depilement(s_etat_processus, &((*s_etat_processus).l_base_pile), |
|
&s_objet_temporaire); |
|
liberation(s_etat_processus, s_objet_temporaire); |
|
} |
|
|
|
free(arguments); |
|
(*s_etat_processus).erreur_systeme = d_es_signal; |
|
return; |
|
} |
|
|
|
for(i = 0; i < nombre_arguments; i++) |
for(i = 0; i < nombre_arguments; i++) |
{ |
{ |
depilement(s_etat_processus, &((*s_etat_processus).l_base_pile), |
depilement(s_etat_processus, &((*s_etat_processus).l_base_pile), |
Line 4220 instruction_syseval(struct_processus *s_
|
Line 4267 instruction_syseval(struct_processus *s_
|
liberation(s_etat_processus, s_objet_temporaire); |
liberation(s_etat_processus, s_objet_temporaire); |
} |
} |
|
|
|
free(arguments); |
|
|
if ((tampon = malloc(sizeof(unsigned char))) == NULL) |
if ((tampon = malloc(sizeof(unsigned char))) == NULL) |
{ |
{ |
(*s_etat_processus).erreur_systeme = d_es_allocation_memoire; |
(*s_etat_processus).erreur_systeme = d_es_allocation_memoire; |
Line 4289 instruction_syseval(struct_processus *s_
|
Line 4338 instruction_syseval(struct_processus *s_
|
return; |
return; |
} |
} |
|
|
free(arguments); |
|
free(tampon); |
free(tampon); |
} |
} |
else |
else |