sortix-mirror/libc/pthread/pthread_getspecific.c

44 lines
1.4 KiB
C

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
This file is part of the Sortix C Library.
The Sortix C Library 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.
The Sortix C Library 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
pthread/pthread_getspecific.c
Thread-specific data management.
*******************************************************************************/
#include <assert.h>
#include <pthread.h>
void* pthread_getspecific(pthread_key_t key)
{
struct pthread* thread = pthread_self();
if ( key < thread->keys_length )
return thread->keys[key];
pthread_mutex_lock(&__pthread_keys_lock);
assert(key < __pthread_keys_length);
assert(__pthread_keys[key].destructor);
pthread_mutex_unlock(&__pthread_keys_lock);
return NULL;
}