version 1.91, 2018/12/24 15:21:34
|
version 1.100, 2019/02/09 13:36:40
|
Line 1
|
Line 1
|
/* |
/* |
================================================================================ |
================================================================================ |
RPL/2 (R) version 4.1.29 |
RPL/2 (R) version 4.1.31 |
Copyright (C) 1989-2018 Dr. BERTRAND Joël |
Copyright (C) 1989-2019 Dr. BERTRAND Joël |
|
|
This file is part of RPL/2. |
This file is part of RPL/2. |
|
|
Line 3415 instruction_syseval(struct_processus *s_
|
Line 3415 instruction_syseval(struct_processus *s_
|
unsigned char *tampon; |
unsigned char *tampon; |
|
|
integer8 longueur_lecture; |
integer8 longueur_lecture; |
|
integer8 longueur_lue; |
integer8 longueur_tampon; |
integer8 longueur_tampon; |
integer8 nombre_iterations; |
|
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_
|
Line 3651 instruction_syseval(struct_processus *s_
|
l_element_courant = (*l_element_courant).suivant; |
l_element_courant = (*l_element_courant).suivant; |
} |
} |
|
|
action_courante.sa_handler = SIG_IGN; |
|
action_courante.sa_flags = SA_NODEFER | SA_ONSTACK; |
|
|
|
if (sigaction(SIGINT, &action_courante, &action_passee) != 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; |
|
} |
|
|
|
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 3689 instruction_syseval(struct_processus *s_
|
Line 3672 instruction_syseval(struct_processus *s_
|
fflush(NULL); |
fflush(NULL); |
|
|
verrouillage_threads_concurrents(s_etat_processus); |
verrouillage_threads_concurrents(s_etat_processus); |
|
|
|
action_courante.sa_handler = SIG_IGN; |
|
action_courante.sa_flags = 0; |
|
|
|
if (sigaction(SIGINT, &action_courante, &action_passee) != 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; |
|
} |
|
|
pid = fork(); |
pid = fork(); |
|
|
if (pid < 0) |
if (pid < 0) |
Line 3821 instruction_syseval(struct_processus *s_
|
Line 3822 instruction_syseval(struct_processus *s_
|
} |
} |
else |
else |
{ |
{ |
|
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; |
|
} |
|
|
deverrouillage_threads_concurrents(s_etat_processus); |
deverrouillage_threads_concurrents(s_etat_processus); |
|
|
if (close(pipes_entree[0]) != 0) |
if (close(pipes_entree[0]) != 0) |
Line 3967 instruction_syseval(struct_processus *s_
|
Line 3983 instruction_syseval(struct_processus *s_
|
return; |
return; |
} |
} |
|
|
do |
longueur_lecture = 65536; |
{ |
longueur_lue = 0; |
if (kill(pid, 0) != 0) |
|
{ |
|
break; |
|
} |
|
|
|
/* |
|
* Récupération de la valeur de retour du processus détaché |
|
*/ |
|
|
|
# ifndef SEMAPHORES_NOMMES |
|
if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0) |
|
# else |
|
if (sem_post((*s_etat_processus).semaphore_fork) != 0) |
|
# endif |
|
{ |
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
|
|
while(waitpid(pid, &status, 0) == -1) |
|
{ |
|
if (errno != EINTR) |
|
{ |
|
# ifndef SEMAPHORES_NOMMES |
|
if (sem_post(&((*s_etat_processus).semaphore_fork)) |
|
!= 0) |
|
# else |
|
if (sem_post((*s_etat_processus).semaphore_fork) |
|
!= 0) |
|
# endif |
|
{ |
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
|
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
} |
|
|
|
# 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; |
|
} |
|
} |
|
} while((!WIFEXITED(status)) && (!WIFSIGNALED(status))); |
|
|
|
longueur_lecture = 256; |
|
pointeur = 0; |
pointeur = 0; |
nombre_iterations = 1; |
|
|
|
if ((tampon = malloc(((size_t) (longueur_lecture + 1)) * |
if ((tampon = malloc(((size_t) (longueur_lecture + 1)) * |
sizeof(unsigned char))) == NULL) |
sizeof(unsigned char))) == NULL) |
Line 4060 instruction_syseval(struct_processus *s_
|
Line 4020 instruction_syseval(struct_processus *s_
|
return; |
return; |
} |
} |
|
|
|
longueur_lue += ios; |
tampon[pointeur + ios] = d_code_fin_chaine; |
tampon[pointeur + ios] = d_code_fin_chaine; |
pointeur += longueur_lecture; |
pointeur += ios; |
nombre_iterations++; |
|
|
|
if ((tampon = realloc(tampon, |
if ((tampon = realloc(tampon, |
((size_t) ((nombre_iterations * longueur_lecture) + 1)) |
((size_t) ((longueur_lue + longueur_lecture) + 1)) |
* sizeof(unsigned char))) == NULL) |
* sizeof(unsigned char))) == NULL) |
{ |
{ |
(*s_etat_processus).erreur_systeme = |
(*s_etat_processus).erreur_systeme = |
Line 4097 instruction_syseval(struct_processus *s_
|
Line 4057 instruction_syseval(struct_processus *s_
|
} |
} |
} |
} |
|
|
|
do |
|
{ |
|
if (kill(pid, 0) != 0) |
|
{ |
|
// Le processus n'existe plus. |
|
break; |
|
} |
|
|
|
/* |
|
* Récupération de la valeur de retour du processus détaché |
|
*/ |
|
|
|
# ifndef SEMAPHORES_NOMMES |
|
if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0) |
|
# else |
|
if (sem_post((*s_etat_processus).semaphore_fork) != 0) |
|
# endif |
|
{ |
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
|
|
while(waitpid(pid, &status, 0) == -1) |
|
{ |
|
if (errno != EINTR) |
|
{ |
|
(*s_etat_processus).erreur_systeme = d_es_processus; |
|
return; |
|
} |
|
} |
|
|
|
# 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; |
|
} |
|
} |
|
} while((!WIFEXITED(status)) && (!WIFSIGNALED(status))); |
|
|
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 4204 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 4211 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 4282 instruction_syseval(struct_processus *s_
|
return; |
return; |
} |
} |
|
|
free(arguments); |
|
free(tampon); |
free(tampon); |
} |
} |
else |
else |