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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "pthread_internal.h"
#include "bionic_tls.h"
#include "ScopedPthreadMutexLocker.h"
__LIBC_HIDDEN__ pthread_internal_t* gThreadList = NULL;
__LIBC_HIDDEN__ pthread_mutex_t gThreadListLock = PTHREAD_MUTEX_INITIALIZER;
void _pthread_internal_remove_locked(pthread_internal_t* thread) {
if (thread->next != NULL) {
thread->next->prev = thread->prev;
}
if (thread->prev != NULL) {
thread->prev->next = thread->next;
} else {
gThreadList = thread->next;
}
// The main thread is not heap-allocated. See __libc_init_tls for the declaration,
// and __libc_init_common for the point where it's added to the thread list.
if (thread->allocated_on_heap) {
free(thread);
}
}
__LIBC_ABI_PRIVATE__ void _pthread_internal_add(pthread_internal_t* thread) {
ScopedPthreadMutexLocker locker(&gThreadListLock);
// We insert at the head.
thread->next = gThreadList;
thread->prev = NULL;
if (thread->next != NULL) {
thread->next->prev = thread;
}
gThreadList = thread;
}
__LIBC_ABI_PRIVATE__ pthread_internal_t* __get_thread(void) {
return reinterpret_cast<pthread_internal_t*>(__get_tls()[TLS_SLOT_THREAD_ID]);
}
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