70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/*
|
|
* 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 <errno.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
|
|
#include "private/bionic_futex.h"
|
|
#include "private/bionic_tls.h"
|
|
#include "private/libc_logging.h"
|
|
#include "private/ScopedPthreadMutexLocker.h"
|
|
|
|
pthread_internal_t* g_thread_list = NULL;
|
|
pthread_mutex_t g_thread_list_lock = PTHREAD_MUTEX_INITIALIZER;
|
|
|
|
void _pthread_internal_remove_locked(pthread_internal_t* thread, bool free_thread) {
|
|
if (thread->next != NULL) {
|
|
thread->next->prev = thread->prev;
|
|
}
|
|
if (thread->prev != NULL) {
|
|
thread->prev->next = thread->next;
|
|
} else {
|
|
g_thread_list = thread->next;
|
|
}
|
|
|
|
if (free_thread && thread->mmap_size != 0) {
|
|
// Free mapped space, including thread stack and pthread_internal_t.
|
|
munmap(thread->attr.stack_base, thread->mmap_size);
|
|
}
|
|
}
|
|
|
|
void _pthread_internal_add(pthread_internal_t* thread) {
|
|
ScopedPthreadMutexLocker locker(&g_thread_list_lock);
|
|
|
|
// We insert at the head.
|
|
thread->next = g_thread_list;
|
|
thread->prev = NULL;
|
|
if (thread->next != NULL) {
|
|
thread->next->prev = thread;
|
|
}
|
|
g_thread_list = thread;
|
|
}
|