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#ifndef TARANTOOL_PTHREAD_H_INCLUDED
#define TARANTOOL_PTHREAD_H_INCLUDED
/*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "tarantool/config.h"
#include <pthread.h>
#include "tarantool/util.h"
#include <say.h>
/**
* Assert on any pthread* error in debug mode. In release,
* write into the log file where and what has failed.
*
* Still give the user an opportunity to manually
* check for error, by returning the pthread_*
* function status.
*/
#define tt_pthread_error(e) \
if (e != 0) \
say_error("%s error %d", __func__, e);\
assert(e == 0); \
e
/**
* Debug/logging friendly wrappers around pthread
* functions.
*/
#define tt_pthread_mutex_init(mutex, attr) \
({ int e = pthread_mutex_init(mutex, attr);\
tt_pthread_error(e); \
})
#define tt_pthread_mutex_destroy(mutex) \
({ int e = pthread_mutex_destroy(mutex); \
tt_pthread_error(e); \
})
#define tt_pthread_mutex_lock(mutex) \
({ int e = pthread_mutex_lock(mutex); \
say_debug("%s: locking %s", __func__, #mutex);\
tt_pthread_error(e);\
})
#define tt_pthread_mutex_trylock(mutex) \
({ int e = pthread_mutex_trylock(mutex); \
if (e != 0 && e != EBUSY) \
say_error("%s error %d at %s:%d", __func__, e, __FILE__, __LINE__);\
assert(e == 0 || e == EBUSY); \
e \
})
#define tt_pthread_mutex_unlock(mutex) \
({ int e = pthread_mutex_unlock(mutex); \
say_debug("%s: unlocking %s", __func__, #mutex);\
tt_pthread_error(e); \
})
#define tt_pthread_mutex_destroy(mutex) \
({ int e = pthread_mutex_destroy(mutex); \
tt_pthread_error(e); \
})
#define tt_pthread_mutexattr_init(attr) \
({ int e = pthread_mutexattr_init(attr); \
tt_pthread_error(e); \
})
#define tt_pthread_mutexattr_destroy(attr) \
({ int e = pthread_mutexattr_destroy(attr);\
tt_pthread_error(e); \
})
#define tt_pthread_mutexattr_gettype(attr, type)\
({ int e = pthread_mutexattr_gettype(attr, type);\
tt_pthread_error(e); \
})
#define tt_pthread_mutexattr_settype(attr, type)\
({ int e = pthread_mutexattr_settype(attr, type);\
tt_pthread_error(e); \
})
#define tt_pthread_condattr_init(attr) \
({ int e = pthread_condattr_init(attr); \
tt_pthread_error(e); \
})
#define tt_pthread_condattr_destroy(attr) \
({ int e = pthread_condattr_destroy(attr); \
tt_pthread_error(e); \
})
#define tt_pthread_cond_init(cond, attr) \
({ int e = pthread_cond_init(cond, attr); \
tt_pthread_error(e); \
})
#define tt_pthread_cond_destroy(cond) \
({ int e = pthread_cond_destroy(cond); \
tt_pthread_error(e); \
})
#define tt_pthread_cond_signal(cond) \
({ int e = pthread_cond_signal(cond); \
tt_pthread_error(e); \
})
#define tt_pthread_cond_wait(cond, mutex) \
({ int e = pthread_cond_wait(cond, mutex);\
tt_pthread_error(e); \
})
#define tt_pthread_cond_timedwait(cond, mutex, timeout) \
({ int e = pthread_cond_timedwait(cond, mutex, timeout);\
if (ETIMEDOUT != e) \
say_error("%s error %d", __func__, e);\
assert(e == 0 || e == ETIMEDOUT); \
e \
})
#define tt_pthread_once(control, function) \
({ int e = pthread_once(control, function);\
tt_pthread_error(e); \
})
#define tt_pthread_atfork(prepare, parent, child)\
({ int e = pthread_atfork(prepare, parent, child);\
tt_pthread_error(e); \
})
/** Make sure the created thread blocks all signals,
* they are handled in the main thread.
*/
#define tt_pthread_create(thread, attr, run, arg) \
({ sigset_t set, oldset; \
sigfillset(&set); \
pthread_sigmask(SIG_BLOCK, &set, &oldset); \
int e = pthread_create(thread, attr, run, arg); \
pthread_sigmask(SIG_SETMASK, &oldset, NULL); \
tt_pthread_error(e); \
})
#define tt_pthread_join(thread, ret) \
({ int e = pthread_join(thread, ret); \
tt_pthread_error(e); \
})
#endif /* TARANTOOL_PTHREAD_H_INCLUDED */
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