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Add pthread_exit(3).

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Jonas 'Sortie' Termansen 2013-08-31 19:46:42 +02:00
parent 978aa68906
commit 094635b2c3
3 changed files with 49 additions and 1 deletions
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1
libpthread/Makefile
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@ -22,6 +22,7 @@ pthread_cond_signal.o \
pthread_cond_timedwait.o \
pthread_cond_wait.o \
pthread_equal.o \
pthread_exit.o \
pthread_initialize.o \
pthread_mutexattr_destroy.o \
pthread_mutexattr_gettype.o \

3
libpthread/include/pthread.h
View file

@ -209,7 +209,8 @@ int pthread_condattr_setclock(pthread_condattr_t*, clockid_t);
/* TODO: pthread_create */
/* TODO: pthread_detach */
int pthread_equal(pthread_t, pthread_t);
/* TODO: pthread_exit */
__attribute__((__noreturn__))
void pthread_exit(void*);
/* TODO: pthread_getconcurrency */
/* TODO: pthread_getcpuclockid */
/* TODO: pthread_getschedparam */

46
libpthread/pthread_exit.c++ Normal file
View file

@ -0,0 +1,46 @@
/*******************************************************************************
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();
}