/*
 * Copyright (c) 2014 Jonas 'Sortie' Termansen.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * pthread/pthread_join.c
 * Wait for thread termination.
 */

#include <sys/mman.h>

#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>

int pthread_join(pthread_t thread, void** result_ptr)
{
	pthread_mutex_lock(&thread->join_lock);
	pthread_mutex_unlock(&thread->join_lock);
	void* result = thread->exit_result;
	munmap(thread->uthread.tls_mmap, thread->uthread.tls_size);
	if ( result_ptr )
		*result_ptr = result;
	return 0;
}