9d23e04c43
imgtec pointed out that pthread_kill(3) was broken, but most of the other functions that ought to return ESRCH for invalid/exited threads were equally broken. Change-Id: I96347f6195549aee0c72dc39063e6c5d06d2e01f
70 lines
2.6 KiB
C++
70 lines
2.6 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 "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) {
|
|
void** tls = reinterpret_cast<void**>(const_cast<void*>(__get_tls()));
|
|
return reinterpret_cast<pthread_internal_t*>(tls[TLS_SLOT_THREAD_ID]);
|
|
}
|