/* {{{ push an item onto the work buffer */
int pthreads_stack_push(PTHREAD thread, PTHREAD work TSRMLS_DC) {
int acquire = 0;
int counted = -1;
acquire = pthread_mutex_lock(thread->lock);
if (acquire == SUCCESS || acquire == EDEADLK) {
zend_llist *stack = &thread->stack->objects;
if (stack) {
zend_llist_add_element(
stack, &work
);
counted = stack->count;
} else counted = -1;
if (acquire != EDEADLK)
pthread_mutex_unlock(thread->lock);
} else zend_error(E_ERROR, "pthreads has suffered an internal error and cannot continue: %d", acquire);
if (counted > 0) {
if (pthreads_state_isset(thread->state, PTHREADS_ST_WAITING TSRMLS_CC)) {
pthreads_unset_state(thread, PTHREADS_ST_WAITING TSRMLS_CC);
}
}
return counted;
} /* }}} */
/* {{{ set state bits on a thread, timeout where appropriate/required */
int pthreads_set_state_ex(PTHREAD thread, int mask, long timeout) {
struct timeval now;
struct timespec until;
int wacquire = 0, timed = 0, result = -1;
if (timeout>0L) {
if (gettimeofday(&now, NULL)==SUCCESS) {
long nsec = timeout * 1000;
if (nsec > 1000000000L) {
until.tv_sec = now.tv_sec + (nsec / 1000000000L);
until.tv_nsec = (now.tv_usec * 1000) + (nsec % 1000000000L);
} else {
until.tv_sec = now.tv_sec;
until.tv_nsec = (now.tv_usec * 1000) + timeout;
}
timed=1;
}
}
pthreads_state_set(thread->state, mask);
switch(mask){
case PTHREADS_ST_WAITING: {
wacquire = PTHREADS_WLOCK(thread);
if (wacquire == SUCCESS || wacquire == EDEADLK) {
do {
if (timed) {
result=!pthread_cond_timedwait(thread->sync, thread->wait, &until);
} else result=!pthread_cond_wait(thread->sync, thread->wait);
} while(pthreads_state_isset(thread->state, PTHREADS_ST_WAITING));
if (wacquire != EDEADLK)
PTHREADS_WUNLOCK(thread);
} else zend_error(E_WARNING, "pthreads may have expereinced an internal error, I mean, really, who knows ?");
} break;
case PTHREADS_ST_RUNNING:
pthreads_globals_add(thread);
break;
}
return result;
} /* }}} */
/* {{{ push an item onto the work buffer */
int pthreads_stack_push(PTHREAD thread, PTHREAD work) {
int acquire = 0;
int counted = -1;
acquire = PTHREADS_LOCK(thread);
if (acquire == SUCCESS || acquire == EDEADLK) {
thread->worker = 1;
zend_llist_add_element(thread->stack, &work);
counted = thread->stack->count;
if (acquire != EDEADLK)
PTHREADS_UNLOCK(thread);
} else zend_error(E_ERROR, "pthreads has suffered an internal error and cannot continue: %d", acquire);
if (counted > 0) {
if (pthreads_state_isset(thread->state, PTHREADS_ST_WAITING)) {
PTHREADS_NOTIFY(thread);
}
}
return counted;
} /* }}} */
/* {{{ push an item onto the work buffer */
size_t pthreads_stack_push(PTHREAD thread, PTHREAD work TSRMLS_DC) {
zend_bool locked;
size_t counted = 0L;
if (pthreads_lock_acquire(thread->lock, &locked TSRMLS_CC)) {
zend_llist *stack = &thread->stack->objects;
if (stack) {
zend_llist_add_element(
stack, &work
);
counted = stack->count;
}
pthreads_lock_release(thread->lock, locked TSRMLS_CC);
if (counted > 0L) {
if (pthreads_state_isset(thread->state, PTHREADS_ST_WAITING TSRMLS_CC)) {
pthreads_unset_state(thread, PTHREADS_ST_WAITING TSRMLS_CC);
}
}
}
return counted;
} /* }}} */
