mirror of
https://salsa.debian.org/ha-team/libqb
synced 2026-01-15 21:31:06 +00:00
1af214d91d
Also add a QB_IPC_NATIVE type that selects the best ipc type available. Signed-off-by: Angus <angus@anguss-mac-mini>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* Copyright (C) 2007 Pingtel Corp., certain elements licensed under a Contributor Agreement.
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* Contributors retain copyright to elements licensed under a Contributor Agreement.
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* Licensed to the User under the LGPL license.
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*
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* Modified by: Angus Salkeld <asalkeld@redhat.com>
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* Copyright (C) 2012 Red Hat, Inc.
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* To conform to official implementation and support process shared semaphores.
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*
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* The bsd posix semaphore implementation does not have support for timing
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* out while waiting for a synchronization object. This uses the
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* pthread_cond_timedwait function and a mutex to build all the other
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* synchronization objecs with timeout capabilities.
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*/
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#ifndef _RPL_SEM_H
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#define _RPL_SEM_H
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#include "os_base.h"
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#include <pthread.h>
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#include <semaphore.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef HAVE_SEM_TIMEDWAIT
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#define rpl_sem_t sem_t
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#define rpl_sem_init sem_init
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#define rpl_sem_wait sem_wait
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#define rpl_sem_timedwait sem_timedwait
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#define rpl_sem_post sem_post
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#define rpl_sem_getvalue sem_getvalue
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#define rpl_sem_destroy sem_destroy
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#define rpl_sem_trywait sem_trywait
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#else
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typedef struct rpl_sem {
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unsigned int count;
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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} rpl_sem_t;
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int rpl_sem_init(rpl_sem_t * sem, int pshared, unsigned int count);
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int rpl_sem_wait(rpl_sem_t *sem);
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int rpl_sem_timedwait(rpl_sem_t *sem,const struct timespec *timeout);
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int rpl_sem_trywait(rpl_sem_t *sem);
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int rpl_sem_post(rpl_sem_t *sem);
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int rpl_sem_getvalue(rpl_sem_t * sem, int *sval);
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int rpl_sem_destroy(rpl_sem_t *sem);
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#endif /* HAVE_SEM_TIMEDWAIT */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RPL_SEM_H */
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