mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
5f366e4aa0
This reverts commit r265454 since it broke the build. E.g.: http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_build/22413/ llvm-svn: 265459
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
//=== llvm/Support/Unix/ThreadLocal.inc - Unix Thread Local Data -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the Unix specific (non-pthread) ThreadLocal class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
//=== WARNING: Implementation here must contain only generic UNIX code that
|
|
//=== is guaranteed to work on *all* UNIX variants.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#if defined(HAVE_PTHREAD_H) && defined(HAVE_PTHREAD_GETSPECIFIC)
|
|
|
|
#include <cassert>
|
|
#include <pthread.h>
|
|
#include <stdlib.h>
|
|
|
|
namespace llvm {
|
|
using namespace sys;
|
|
|
|
ThreadLocalImpl::ThreadLocalImpl() : data() {
|
|
static_assert(sizeof(pthread_key_t) <= sizeof(data), "size too big");
|
|
pthread_key_t* key = reinterpret_cast<pthread_key_t*>(&data);
|
|
int errorcode = pthread_key_create(key, nullptr);
|
|
assert(errorcode == 0);
|
|
(void) errorcode;
|
|
}
|
|
|
|
ThreadLocalImpl::~ThreadLocalImpl() {
|
|
pthread_key_t* key = reinterpret_cast<pthread_key_t*>(&data);
|
|
int errorcode = pthread_key_delete(*key);
|
|
assert(errorcode == 0);
|
|
(void) errorcode;
|
|
}
|
|
|
|
void ThreadLocalImpl::setInstance(const void* d) {
|
|
pthread_key_t* key = reinterpret_cast<pthread_key_t*>(&data);
|
|
int errorcode = pthread_setspecific(*key, d);
|
|
assert(errorcode == 0);
|
|
(void) errorcode;
|
|
}
|
|
|
|
void *ThreadLocalImpl::getInstance() {
|
|
pthread_key_t* key = reinterpret_cast<pthread_key_t*>(&data);
|
|
return pthread_getspecific(*key);
|
|
}
|
|
|
|
void ThreadLocalImpl::removeInstance() {
|
|
setInstance(nullptr);
|
|
}
|
|
|
|
}
|
|
#else
|
|
namespace llvm {
|
|
using namespace sys;
|
|
ThreadLocalImpl::ThreadLocalImpl() : data() { }
|
|
ThreadLocalImpl::~ThreadLocalImpl() { }
|
|
void ThreadLocalImpl::setInstance(const void* d) { data = const_cast<void*>(d);}
|
|
void *ThreadLocalImpl::getInstance() { return data; }
|
|
void ThreadLocalImpl::removeInstance() { setInstance(0); }
|
|
}
|
|
#endif
|