fis-gtm/sr_unix/eintr_wrapper_semop.h

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/****************************************************************
* *
* Copyright 2011 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#ifndef EINTR_WRP_SEMOP_INCLUDED
#define EINTR_WRP_SEMOP_INCLUDED
#define NO_WAIT 0
#define FORCED_WAIT 1
#include <sys/types.h>
#include <errno.h>
#include "gtm_c_stack_trace_semop.h"
#define SEMOP(SEMID, SOPS, NSOPS, RC, TO_WAIT) \
{ \
int numsems; \
for (numsems = NSOPS - 1; numsems >= 0; --numsems) \
{ \
CHECK_SEMVAL_GRT_SEMOP(SEMID, SOPS[numsems].sem_num, SOPS[numsems].sem_op); \
} \
if (FORCED_WAIT == TO_WAIT) \
{ \
RC = try_semop_get_c_stack(SEMID, SOPS, NSOPS); \
if (0 != RC) \
{ \
errno = RC; \
RC = -1; \
} \
} else \
{ \
assert(NO_WAIT == TO_WAIT); \
do \
{ \
RC = semop(SEMID, SOPS, NSOPS); \
} while(-1 == RC && EINTR == errno); \
} \
}
#endif