sortix-mirror/libpthread/pthread_exit.c++

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2013-08-31 17:46:42 +00:00
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
This file is part of Sortix libpthread.
Sortix libpthread is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
Sortix libpthread is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Sortix libpthread. If not, see <http://www.gnu.org/licenses/>.
pthread_exit.c++
Exits the current thread.
*******************************************************************************/
#include <sys/mman.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
extern "C"
__attribute__((__noreturn__))
void pthread_exit(void* /*return_value*/)
{
struct pthread* thread = pthread_self();
size_t num_threads = 1;
if ( num_threads == 1 )
exit(0);
struct exit_thread extended;
memset(&extended, 0, sizeof(extended));
extended.unmap_from = thread->uthread.stack_mmap;
extended.unmap_size = thread->uthread.stack_size;
exit_thread(0, EXIT_THREAD_UNMAP, &extended);
__builtin_unreachable();
}