Ejemplos de pj_mutex_trylock en C++ (Cpp)

Ejemplo n.º 1

Archivo: sippresence.cpp Proyecto: ThereIsNoYeti/sflphone

bool SIPPresence::tryLock()
{
    pj_status_t status;
    status = pj_mutex_trylock(mutex_);
    if (status == PJ_SUCCESS) {
	mutex_owner_ = pj_thread_this();
	++mutex_nesting_level_;
    }
    return status==PJ_SUCCESS;
}

Ejemplo n.º 2

Archivo: mutex.c Proyecto: tibastral/symphonie

/* Test witn non-recursive mutex. */
static int simple_mutex_test(pj_pool_t *pool)
{
    pj_status_t rc;
    pj_mutex_t *mutex;

    PJ_LOG(3,("", "...testing simple mutex"));
    
    /* Create mutex. */
    TRACE_(("", "....create mutex"));
    rc = pj_mutex_create( pool, "", PJ_MUTEX_SIMPLE, &mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: pj_mutex_create", rc);
	return -10;
    }

    /* Normal lock/unlock cycle. */
    TRACE_(("", "....lock mutex"));
    rc = pj_mutex_lock(mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: pj_mutex_lock", rc);
	return -20;
    }
    TRACE_(("", "....unlock mutex"));
    rc = pj_mutex_unlock(mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: pj_mutex_unlock", rc);
	return -30;
    }
    
    /* Lock again. */
    TRACE_(("", "....lock mutex"));
    rc = pj_mutex_lock(mutex);
    if (rc != PJ_SUCCESS) return -40;

    /* Try-lock should fail. It should not deadlocked. */
    TRACE_(("", "....trylock mutex"));
    rc = pj_mutex_trylock(mutex);
    if (rc == PJ_SUCCESS)
	PJ_LOG(3,("", "...info: looks like simple mutex is recursive"));

    /* Unlock and done. */
    TRACE_(("", "....unlock mutex"));
    rc = pj_mutex_unlock(mutex);
    if (rc != PJ_SUCCESS) return -50;

    TRACE_(("", "....destroy mutex"));
    rc = pj_mutex_destroy(mutex);
    if (rc != PJ_SUCCESS) return -60;

    TRACE_(("", "....done"));
    return PJ_SUCCESS;
}

Ejemplo n.º 3

Archivo: mutex.c Proyecto: tibastral/symphonie

/* Test with recursive mutex. */
static int recursive_mutex_test(pj_pool_t *pool)
{
    pj_status_t rc;
    pj_mutex_t *mutex;

    PJ_LOG(3,("", "...testing recursive mutex"));

    /* Create mutex. */
    TRACE_(("", "....create mutex"));
    rc = pj_mutex_create( pool, "", PJ_MUTEX_RECURSE, &mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: pj_mutex_create", rc);
	return -10;
    }

    /* Normal lock/unlock cycle. */
    TRACE_(("", "....lock mutex"));
    rc = pj_mutex_lock(mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: pj_mutex_lock", rc);
	return -20;
    }
    TRACE_(("", "....unlock mutex"));
    rc = pj_mutex_unlock(mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: pj_mutex_unlock", rc);
	return -30;
    }
    
    /* Lock again. */
    TRACE_(("", "....lock mutex"));
    rc = pj_mutex_lock(mutex);
    if (rc != PJ_SUCCESS) return -40;

    /* Try-lock should NOT fail. . */
    TRACE_(("", "....trylock mutex"));
    rc = pj_mutex_trylock(mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: recursive mutex is not recursive!", rc);
	return -40;
    }

    /* Locking again should not fail. */
    TRACE_(("", "....lock mutex"));
    rc = pj_mutex_lock(mutex);
    if (rc != PJ_SUCCESS) {
	app_perror("...error: recursive mutex is not recursive!", rc);
	return -45;
    }

    /* Unlock several times and done. */
    TRACE_(("", "....unlock mutex 3x"));
    rc = pj_mutex_unlock(mutex);
    if (rc != PJ_SUCCESS) return -50;
    rc = pj_mutex_unlock(mutex);
    if (rc != PJ_SUCCESS) return -51;
    rc = pj_mutex_unlock(mutex);
    if (rc != PJ_SUCCESS) return -52;

    TRACE_(("", "....destroy mutex"));
    rc = pj_mutex_destroy(mutex);
    if (rc != PJ_SUCCESS) return -60;

    TRACE_(("", "....done"));
    return PJ_SUCCESS;
}

Ejemplo n.º 4

Archivo: os.hpp Proyecto: 0x0B501E7E/pjproject

    //
    // Try locking the mutex.
    //
    pj_status_t tryacquire()
    {
	return pj_mutex_trylock(mutex_);
    }