528f144e77
Bug: 69933068 Test: mmma system/core Change-Id: I089166a979d3d8c5ada38a7745d507b555048499
111 lines
3 KiB
C++
111 lines
3 KiB
C++
/*
|
|
** Copyright (C) 2007, The Android Open Source Project
|
|
**
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
|
** you may not use this file except in compliance with the License.
|
|
** You may obtain a copy of the License at
|
|
**
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
|
**
|
|
** Unless required by applicable law or agreed to in writing, software
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
** See the License for the specific language governing permissions and
|
|
** limitations under the License.
|
|
*/
|
|
|
|
#include <cutils/threads.h>
|
|
|
|
// For gettid.
|
|
#if defined(__APPLE__)
|
|
#include "AvailabilityMacros.h" // For MAC_OS_X_VERSION_MAX_ALLOWED
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <sys/syscall.h>
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
#elif defined(__linux__) && !defined(__ANDROID__)
|
|
#include <syscall.h>
|
|
#include <unistd.h>
|
|
#elif defined(_WIN32)
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
// No definition needed for Android because we'll just pick up bionic's copy.
|
|
#ifndef __ANDROID__
|
|
pid_t gettid() {
|
|
#if defined(__APPLE__)
|
|
uint64_t tid;
|
|
pthread_threadid_np(NULL, &tid);
|
|
return tid;
|
|
#elif defined(__linux__)
|
|
return syscall(__NR_gettid);
|
|
#elif defined(_WIN32)
|
|
return GetCurrentThreadId();
|
|
#endif
|
|
}
|
|
#endif // __ANDROID__
|
|
|
|
#if !defined(_WIN32)
|
|
|
|
void* thread_store_get( thread_store_t* store )
|
|
{
|
|
if (!store->has_tls)
|
|
return NULL;
|
|
|
|
return pthread_getspecific( store->tls );
|
|
}
|
|
|
|
extern void thread_store_set( thread_store_t* store,
|
|
void* value,
|
|
thread_store_destruct_t destroy)
|
|
{
|
|
pthread_mutex_lock( &store->lock );
|
|
if (!store->has_tls) {
|
|
if (pthread_key_create( &store->tls, destroy) != 0) {
|
|
pthread_mutex_unlock(&store->lock);
|
|
return;
|
|
}
|
|
store->has_tls = 1;
|
|
}
|
|
pthread_mutex_unlock( &store->lock );
|
|
|
|
pthread_setspecific( store->tls, value );
|
|
}
|
|
|
|
#else /* !defined(_WIN32) */
|
|
void* thread_store_get( thread_store_t* store )
|
|
{
|
|
if (!store->has_tls)
|
|
return NULL;
|
|
|
|
return (void*) TlsGetValue( store->tls );
|
|
}
|
|
|
|
void thread_store_set( thread_store_t* store,
|
|
void* value,
|
|
thread_store_destruct_t /*destroy*/ )
|
|
{
|
|
/* XXX: can't use destructor on thread exit */
|
|
if (!store->lock_init) {
|
|
store->lock_init = -1;
|
|
InitializeCriticalSection( &store->lock );
|
|
store->lock_init = -2;
|
|
} else while (store->lock_init != -2) {
|
|
Sleep(10); /* 10ms */
|
|
}
|
|
|
|
EnterCriticalSection( &store->lock );
|
|
if (!store->has_tls) {
|
|
store->tls = TlsAlloc();
|
|
if (store->tls == TLS_OUT_OF_INDEXES) {
|
|
LeaveCriticalSection( &store->lock );
|
|
return;
|
|
}
|
|
store->has_tls = 1;
|
|
}
|
|
LeaveCriticalSection( &store->lock );
|
|
|
|
TlsSetValue( store->tls, value );
|
|
}
|
|
#endif /* !defined(_WIN32) */
|