version 1.36, 2011/09/20 16:57:50
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version 1.45, 2012/05/21 17:25:46
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/* |
/* |
================================================================================ |
================================================================================ |
RPL/2 (R) version 4.1.3 |
RPL/2 (R) version 4.1.9 |
Copyright (C) 1989-2011 Dr. BERTRAND Joël |
Copyright (C) 1989-2012 Dr. BERTRAND Joël |
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This file is part of RPL/2. |
This file is part of RPL/2. |
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Line 22
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Line 22
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#include "rpl-conv.h" |
#include "rpl-conv.h" |
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#ifdef SEMAPHORES_NOMMES |
#ifdef SEMAPHORES_NOMMES |
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// Les fonctions suivantes ne sont utilisées que dans le cas d'un |
// Les fonctions suivantes ne sont utilisées que dans le cas d'un |
Line 308 sem_init_SysV(sem_t *semaphore, int shar
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Line 309 sem_init_SysV(sem_t *semaphore, int shar
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} |
} |
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(*semaphore).pid = getpid(); |
(*semaphore).pid = getpid(); |
(*semaphore).tid = pthread_slef(); |
(*semaphore).tid = pthread_self(); |
clef = ftok((*semaphore).path, 1); |
clef = ftok((*semaphore).path, 1); |
close(desc); |
close(desc); |
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Line 334 sem_init_SysV(sem_t *semaphore, int shar
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Line 335 sem_init_SysV(sem_t *semaphore, int shar
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return(ios); |
return(ios); |
# else // OS/2 |
# else // OS/2 |
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sem_t *psem; |
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sem_t *psem; |
psem = semaphore; |
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psem = semaphore; |
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if (shared != 0) |
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{ |
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errno = ENOSYS; |
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return(-1); |
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} |
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if (((*psem).cnt = malloc(sizeof(ULONG))) == NULL) |
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{ |
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free(psem); |
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errno = ENOMEM; |
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return(-1); |
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} |
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if (((*psem).nopened = malloc(sizeof(ULONG))) == NULL) |
if (((*psem).cnt = malloc(sizeof(ULONG))) == NULL) |
{ |
{ |
free((*psem).cnt); |
free(psem); |
free(psem); |
errno = ENOMEM; |
errno = ENOMEM; |
return(-1); |
return(-1); |
} |
} |
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if (DosCreateMutexSem(NULL, &((*psem).hmtx), 0, 0) != 0) |
if (((*psem).nopened = malloc(sizeof(ULONG))) == NULL) |
{ |
{ |
free((*psem).cnt); |
free((*psem).cnt); |
free((*psem).nopened); |
free(psem); |
free(psem); |
errno = ENOMEM; |
return(-1); |
return(-1); |
} |
} |
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if (DosCreateEventSem(NULL, &((*psem).hev), 0, (valeur != 0) ? 1 : 0) != 0) |
if (DosCreateMutexSem(NULL, &((*psem).hmtx), 0, 0) != 0) |
{ |
{ |
DosCloseMutexSem((*psem).hmtx); |
free((*psem).cnt); |
free((*psem).cnt); |
free((*psem).nopened); |
free((*psem).nopened); |
free(psem); |
free(psem); |
return(-1); |
return(-1); |
} |
} |
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(*(*psem).cnt) = valeur; |
if (DosCreateEventSem(NULL, &((*psem).hev), 0, (valeur != 0) ? 1 : 0) |
(*(*psem).nopened) = 1; |
!= 0) |
(*psem).shared = shared; |
{ |
(*psem).allocated = 0; |
DosCloseMutexSem((*psem).hmtx); |
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free((*psem).cnt); |
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free((*psem).nopened); |
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free(psem); |
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return(-1); |
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} |
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return(0); |
(*(*psem).cnt) = valeur; |
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(*(*psem).nopened) = 1; |
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(*psem).shared = shared; |
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(*psem).allocated = 0; |
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return(0); |
# endif |
# endif |
} |
} |
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Line 410 sem_destroy_SysV(sem_t *semaphore)
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Line 404 sem_destroy_SysV(sem_t *semaphore)
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return(0); |
return(0); |
# else // OS/2 |
# else // OS/2 |
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sem_t *psem; |
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sem_t *psem; |
psem = semaphore; |
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psem = semaphore; |
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if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
{ |
{ |
return(EINVAL); |
return(EINVAL); |
} |
} |
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if (DosCloseMutexSem((*psem).hmtx) != 0) |
if (DosCloseMutexSem((*psem).hmtx) != 0) |
{ |
{ |
return(EINVAL); |
return(EINVAL); |
} |
} |
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while(DosCloseEventSem((*psem).hev) == ERROR_SEM_BUSY) |
while(DosCloseEventSem((*psem).hev) == ERROR_SEM_BUSY) |
{ |
{ |
DosPostEventSem((*psem).hev); |
DosPostEventSem((*psem).hev); |
} |
} |
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(*(*psem).nopened)--; |
(*(*psem).nopened)--; |
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if ((*psem).shared == 0) |
if ((*psem).shared == 0) |
{ |
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free((*psem).cnt); |
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free((*psem).nopened); |
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} |
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else |
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{ |
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if ((*(*psem).nopened) == 0) |
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{ |
{ |
DosFreeMem((*psem).cnt); |
free((*psem).cnt); |
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free((*psem).nopened); |
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} |
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else |
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{ |
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if ((*(*psem).nopened) == 0) |
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{ |
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DosFreeMem((*psem).cnt); |
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} |
} |
} |
} |
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if ((*psem).allocated != 0) |
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{ |
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free(psem); |
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} |
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return(0); |
if ((*psem).allocated != 0) |
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{ |
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free(psem); |
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} |
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return(0); |
# endif |
# endif |
} |
} |
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Line 476 sem_wait_SysV(sem_t *semaphore)
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Line 468 sem_wait_SysV(sem_t *semaphore)
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return(0); |
return(0); |
# else // OS/2 |
# else // OS/2 |
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sem_t *psem; |
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sem_t *psem; |
ULONG cnt; |
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ULONG cnt; |
psem = semaphore; |
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psem = semaphore; |
if (DosWaitEventSem((*psem).hev, SEM_INDEFINITE_WAIT) != 0) |
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{ |
if (DosWaitEventSem((*psem).hev, SEM_INDEFINITE_WAIT) != 0) |
errno = EINVAL; |
{ |
return(-1); |
errno = EINVAL; |
} |
return(-1); |
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} |
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if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
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{ |
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errno = EINVAL; |
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return(-1); |
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} |
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if ((*(*psem).cnt) > 0) |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
{ |
{ |
(*(*psem).cnt)--; |
errno = EINVAL; |
} |
return(-1); |
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} |
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if ((*(*psem).cnt) == 0) |
if ((*(*psem).cnt) > 0) |
{ |
{ |
DosResetEventSem((*psem).hev, &cnt); |
(*(*psem).cnt)--; |
} |
} |
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DosReleaseMutexSem((*psem).hmtx); |
if ((*(*psem).cnt) == 0) |
return(0); |
{ |
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DosResetEventSem((*psem).hev, &cnt); |
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} |
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DosReleaseMutexSem((*psem).hmtx); |
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return(0); |
# endif |
# endif |
} |
} |
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Line 532 sem_trywait_SysV(sem_t *semaphore)
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Line 522 sem_trywait_SysV(sem_t *semaphore)
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return(0); |
return(0); |
# else // OS/2 |
# else // OS/2 |
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int ios; |
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int ios; |
sem_t *psem; |
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sem_t *psem; |
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ULONG cnt; |
ULONG cnt; |
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psem = semaphore; |
psem = semaphore; |
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if ((ios = DosWaitEventSem((*psem).hev, SEM_IMMEDIATE_RETURN)) != 0) |
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{ |
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errno = (ios == ERROR_TIMEOUT) ? EAGAIN : EINVAL; |
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return(-1); |
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} |
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if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
if ((ios = DosWaitEventSem((*psem).hev, SEM_IMMEDIATE_RETURN)) != 0) |
{ |
{ |
errno = EINVAL; |
errno = (ios == ERROR_TIMEOUT) ? EAGAIN : EINVAL; |
return(-1); |
return(-1); |
} |
} |
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if ((*(*psem).cnt) > 0) |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
{ |
{ |
(*(*psem).cnt)--; |
errno = EINVAL; |
} |
return(-1); |
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} |
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if ((*(*psem).cnt) == 0) |
if ((*(*psem).cnt) > 0) |
{ |
{ |
DosResetEventSem((*psem).hev, &cnt); |
(*(*psem).cnt)--; |
} |
} |
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DosReleaseMutexSem((*psem).hmtx); |
if ((*(*psem).cnt) == 0) |
return(0); |
{ |
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DosResetEventSem((*psem).hev, &cnt); |
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} |
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DosReleaseMutexSem((*psem).hmtx); |
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return(0); |
# endif |
# endif |
} |
} |
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Line 590 sem_post_SysV(sem_t *semaphore)
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Line 578 sem_post_SysV(sem_t *semaphore)
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return(0); |
return(0); |
# else // OS/2 |
# else // OS/2 |
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sem_t *psem; |
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sem_t *psem; |
psem = semaphore; |
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psem = semaphore; |
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if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
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{ |
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errno = EINVAL; |
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return(-1); |
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} |
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(*(*psem).cnt)++; |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
DosPostEventSem((*psem).hev); |
{ |
DosReleaseMutexSem((*psem).hmtx); |
errno = EINVAL; |
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return(-1); |
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} |
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return(0); |
(*(*psem).cnt)++; |
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DosPostEventSem((*psem).hev); |
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DosReleaseMutexSem((*psem).hmtx); |
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return(0); |
# endif |
# endif |
} |
} |
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Line 623 sem_getvalue_SysV(sem_t *semaphore, int
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Line 609 sem_getvalue_SysV(sem_t *semaphore, int
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return(0); |
return(0); |
# else |
# else |
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sem_t *psem; |
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sem_t *psem; |
psem = semaphore; |
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psem = semaphore; |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
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{ |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
errno = EINVAL; |
{ |
return(-1); |
errno = EINVAL; |
} |
return(-1); |
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} |
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(*valeur) = (*(*psem).cnt); |
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DosReleaseMutexSem((*psem).hmtx); |
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return(0); |
(*valeur) = (*(*psem).cnt); |
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DosReleaseMutexSem((*psem).hmtx); |
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return(0); |
# endif |
# endif |
} |
} |
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Line 692 sem_t
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Line 676 sem_t
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(*semaphore).pid = getpid(); |
(*semaphore).pid = getpid(); |
(*semaphore).tid = pthread_self(); |
(*semaphore).tid = pthread_self(); |
# else |
# else |
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if ((nom_segment = malloc((strlen(racine_memoire_OS2) + strlen(nom) + 1) |
if ((nom_segment = malloc((strlen(racine_memoire_OS2) + strlen(nom) + 1) |
* sizeof(unsigned char))) == NULL) |
* sizeof(unsigned char))) == NULL) |
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{ |
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return(SEM_FAILED); |
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} |
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sprintf(nom_segment, "%s%s", racine_memoire_OS2, nom); |
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ptr = nom_segment; |
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while((*ptr) != d_code_fin_chaine) |
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{ |
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if ((*ptr) == '/') |
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{ |
{ |
(*ptr) = '\\'; |
return(SEM_FAILED); |
} |
} |
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ptr++; |
sprintf(nom_segment, "%s%s", racine_memoire_OS2, nom); |
} |
ptr = nom_segment; |
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if ((nom_absolu = malloc((strlen(racine_semaphores_OS2) + strlen(nom) |
while((*ptr) != d_code_fin_chaine) |
+ 2) * sizeof(unsigned char))) == NULL) |
{ |
{ |
if ((*ptr) == '/') |
return(SEM_FAILED); |
{ |
} |
(*ptr) = '\\'; |
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} |
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sprintf(nom_absolu, "%s%s", racine_semaphores_OS2, nom); |
ptr++; |
ptr = nom_absolu; |
} |
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while((*ptr) != d_code_fin_chaine) |
if ((nom_absolu = malloc((strlen(racine_semaphores_OS2) + strlen(nom) |
{ |
+ 2) * sizeof(unsigned char))) == NULL) |
if ((*ptr) == '/') |
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{ |
{ |
(*ptr) = '\\'; |
return(SEM_FAILED); |
} |
} |
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ptr++; |
sprintf(nom_absolu, "%s%s", racine_semaphores_OS2, nom); |
} |
ptr = nom_absolu; |
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while((*ptr) != d_code_fin_chaine) |
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{ |
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if ((*ptr) == '/') |
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{ |
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(*ptr) = '\\'; |
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} |
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(*(ptr + 1)) = d_code_fin_chaine; |
ptr++; |
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} |
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if ((psem = malloc(sizeof(sem_t))) == NULL) |
(*(ptr + 1)) = d_code_fin_chaine; |
{ |
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return(SEM_FAILED); |
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} |
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(*psem).allocated = 1; |
if ((psem = malloc(sizeof(sem_t))) == NULL) |
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{ |
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return(SEM_FAILED); |
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} |
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(*psem).allocated = 1; |
# endif |
# endif |
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if ((oflag & O_CREAT) == 0) |
if ((oflag & O_CREAT) == 0) |
Line 766 sem_t
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Line 748 sem_t
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return(SEM_FAILED); |
return(SEM_FAILED); |
} |
} |
# else // OS/2 |
# else // OS/2 |
if ((psem = malloc(sizeof(sem_t))) == NULL) |
if ((psem = malloc(sizeof(sem_t))) == NULL) |
{ |
{ |
free(nom_absolu); |
free(nom_absolu); |
free(nom_segment); |
free(nom_segment); |
return(SEM_FAILED); |
return(SEM_FAILED); |
} |
} |
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(*ptr) = 'M'; |
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if (DosOpenMutexSem(nom_absolu, &((*psem).hmtx)) != 0) |
(*ptr) = 'M'; |
{ |
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free(psem); |
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free(nom_absolu); |
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free(nom_segment); |
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return(SEM_FAILED); |
if (DosOpenMutexSem(nom_absolu, &((*psem).hmtx)) != 0) |
} |
{ |
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free(psem); |
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free(nom_absolu); |
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free(nom_segment); |
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(*ptr) = 'S'; |
return(SEM_FAILED); |
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} |
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if (DosOpenEventSem(nom_absolu, &((*psem).hev)) != 0) |
(*ptr) = 'S'; |
{ |
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DosCloseMutexSem((*psem).hmtx); |
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free(psem); |
if (DosOpenEventSem(nom_absolu, &((*psem).hev)) != 0) |
free(nom_absolu); |
{ |
free(nom_segment); |
DosCloseMutexSem((*psem).hmtx); |
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return(SEM_FAILED); |
free(psem); |
} |
free(nom_absolu); |
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free(nom_segment); |
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if (DosGetNamedSharedMem(&base, nom_segment, PAG_WRITE | PAG_READ) != 0) |
return(SEM_FAILED); |
{ |
} |
DosCloseMutexSem((*psem).hmtx); |
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free(nom_absolu); |
if (DosGetNamedSharedMem(&base, nom_segment, PAG_WRITE | PAG_READ) |
free(nom_segment); |
!= 0) |
free(psem); |
{ |
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DosCloseMutexSem((*psem).hmtx); |
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return(SEM_FAILED); |
free(nom_absolu); |
} |
free(nom_segment); |
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free(psem); |
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free(nom_segment); |
return(SEM_FAILED); |
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} |
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(*psem).cnt = (ULONG *) base; |
free(nom_segment); |
(*psem).nopened = ((ULONG *) base) + 1; |
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(*psem).shared = 1; |
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if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
(*psem).cnt = (ULONG *) base; |
{ |
(*psem).nopened = ((ULONG *) base) + 1; |
DosCloseMutexSem((*psem).hmtx); |
(*psem).shared = 1; |
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free(nom_absolu); |
if (DosRequestMutexSem((*psem).hmtx, SEM_INDEFINITE_WAIT) != 0) |
free(nom_segment); |
{ |
free(psem); |
DosCloseMutexSem((*psem).hmtx); |
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return(SEM_FAILED); |
free(nom_absolu); |
} |
free(nom_segment); |
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free(psem); |
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(*((*psem).nopened))++; |
return(SEM_FAILED); |
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} |
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DosReleaseMutexSem((*psem).hmtx); |
(*((*psem).nopened))++; |
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semaphore = psem; |
DosReleaseMutexSem((*psem).hmtx); |
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semaphore = psem; |
# endif |
# endif |
} |
} |
else |
else |
Line 884 sem_t
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Line 866 sem_t
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argument.val = valeur; |
argument.val = valeur; |
semctl((*semaphore).sem, 0, SETVAL, argument); |
semctl((*semaphore).sem, 0, SETVAL, argument); |
# else // OS/2 |
# else // OS/2 |
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if ((psem = malloc(sizeof(sem_t))) == NULL) |
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{ |
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free(nom_absolu); |
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free(nom_segment); |
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if ((psem = malloc(sizeof(sem_t))) == NULL) |
return(SEM_FAILED); |
{ |
} |
free(nom_absolu); |
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free(nom_segment); |
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return(SEM_FAILED); |
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} |
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(*ptr) = 'M'; |
(*ptr) = 'M'; |
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if (DosCreateMutexSem(nom_absolu, &((*psem).hmtx), 0, 0) != 0) |
if (DosCreateMutexSem(nom_absolu, &((*psem).hmtx), 0, 0) != 0) |
{ |
{ |
free(psem); |
free(psem); |
free(nom_absolu); |
free(nom_absolu); |
free(nom_segment); |
free(nom_segment); |
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return(SEM_FAILED); |
return(SEM_FAILED); |
} |
} |
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(*ptr) = 'S'; |
(*ptr) = 'S'; |
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if (DosCreateEventSem(nom_absolu, &((*psem).hev), 0, |
if (DosCreateEventSem(nom_absolu, &((*psem).hev), 0, |
(valeur != 0) ? 1 : 0) != 0) |
(valeur != 0) ? 1 : 0) != 0) |
{ |
{ |
DosCloseMutexSem((*psem).hmtx); |
DosCloseMutexSem((*psem).hmtx); |
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free(nom_absolu); |
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free(nom_segment); |
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free(psem); |
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return(SEM_FAILED); |
free(nom_absolu); |
} |
free(nom_segment); |
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free(psem); |
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if (DosAllocSharedMem(&base, nom_segment, 2 * sizeof(ULONG), |
return(SEM_FAILED); |
PAG_WRITE | PAG_READ | PAG_COMMIT) != 0) |
} |
{ |
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DosCloseMutexSem((*psem).hmtx); |
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free(nom_absolu); |
if (DosAllocSharedMem(&base, nom_segment, 2 * sizeof(ULONG), |
free(nom_segment); |
PAG_WRITE | PAG_READ | PAG_COMMIT) != 0) |
free(psem); |
{ |
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DosCloseMutexSem((*psem).hmtx); |
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return(SEM_FAILED); |
free(nom_absolu); |
} |
free(nom_segment); |
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free(psem); |
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free(nom_segment); |
return(SEM_FAILED); |
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} |
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(*psem).cnt = (ULONG *) base; |
free(nom_segment); |
(*psem).nopened = ((ULONG *) base) + 1; |
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(*(*psem).cnt) = valeur; |
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(*(*psem).nopened) = 1; |
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(*psem).shared = 1; |
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semaphore = psem; |
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(*psem).cnt = (ULONG *) base; |
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(*psem).nopened = ((ULONG *) base) + 1; |
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(*(*psem).cnt) = valeur; |
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(*(*psem).nopened) = 1; |
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(*psem).shared = 1; |
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semaphore = psem; |
# endif |
# endif |
} |
} |
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Line 962 sem_close_SysV(sem_t *semaphore)
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Line 942 sem_close_SysV(sem_t *semaphore)
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return(0); |
return(0); |
# else |
# else |
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sem_t *psem; |
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sem_t *psem; |
psem = semaphore; |
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psem = semaphore; |
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if (DosCloseMutexSem((*psem).hmtx) != 0) |
if (DosCloseMutexSem((*psem).hmtx) != 0) |
{ |
{ |
return(EINVAL); |
return(EINVAL); |
} |
} |
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while(DosCloseEventSem((*psem).hev) == ERROR_SEM_BUSY) |
while(DosCloseEventSem((*psem).hev) == ERROR_SEM_BUSY) |
{ |
{ |
DosPostEventSem((*psem).hev); |
DosPostEventSem((*psem).hev); |
} |
} |
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(*(*psem).nopened)--; |
(*(*psem).nopened)--; |
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if ((*psem).shared == 0) |
if ((*psem).shared == 0) |
{ |
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free((*psem).cnt); |
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free((*psem).nopened); |
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} |
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else |
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{ |
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if ((*(*psem).nopened) == 0) |
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{ |
{ |
DosFreeMem((*psem).cnt); |
free((*psem).cnt); |
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free((*psem).nopened); |
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} |
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else |
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{ |
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if ((*(*psem).nopened) == 0) |
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{ |
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DosFreeMem((*psem).cnt); |
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} |
} |
} |
} |
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if ((*psem).allocated != 0) |
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{ |
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free(psem); |
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} |
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return(0); |
if ((*psem).allocated != 0) |
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{ |
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free(psem); |
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} |
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return(0); |
# endif |
# endif |
} |
} |
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Line 1007 sem_unlink_SysV(const char *nom)
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Line 985 sem_unlink_SysV(const char *nom)
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{ |
{ |
// Détruit un sémaphore nommé créé par sem_open_SysV() |
// Détruit un sémaphore nommé créé par sem_open_SysV() |
# ifndef OS2 // IPCS_SYSV |
# ifndef OS2 // IPCS_SYSV |
semctl(semget(ftok(nom_absolu, 1), 0, 0), 0, IPC_RMID); |
semctl(semget(ftok(nom, 1), 0, 0), 0, IPC_RMID); |
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if (unlink(nom_absolu) == -1) |
if (unlink(nom) == -1) |
{ |
{ |
free(nom_absolu); |
free(nom_absolu); |
return(EACCES); |
return(EACCES); |
} |
} |
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free(nom_absolu); |
free(nom); |
return(0); |
return(0); |
# else |
# else |
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return(0); |
return(0); |
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# endif |
# endif |
} |
} |
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