blob: 9da1603080a2ac50e5cdb051791121d403fba94c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
//===- ThreadLocal.cpp - 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 llvm::sys::ThreadLocal class.
//
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ThreadLocal.h"
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
//=== independent code.
//===----------------------------------------------------------------------===//
#if !defined(LLVM_ENABLE_THREADS) || LLVM_ENABLE_THREADS == 0
// Define all methods as no-ops if threading is explicitly disabled
namespace llvm {
using namespace sys;
ThreadLocalImpl::ThreadLocalImpl() : data() { }
ThreadLocalImpl::~ThreadLocalImpl() { }
void ThreadLocalImpl::setInstance(const void* d) {
static_assert(sizeof(d) <= sizeof(data), "size too big");
void **pd = reinterpret_cast<void**>(&data);
*pd = const_cast<void*>(d);
}
void *ThreadLocalImpl::getInstance() {
void **pd = reinterpret_cast<void**>(&data);
return *pd;
}
void ThreadLocalImpl::removeInstance() {
setInstance(nullptr);
}
}
#elif defined(LLVM_ON_UNIX)
#include "Unix/ThreadLocal.inc"
#elif defined( LLVM_ON_WIN32)
#include "Windows/ThreadLocal.inc"
#else
#warning Neither LLVM_ON_UNIX nor LLVM_ON_WIN32 set in Support/ThreadLocal.cpp
#endif
|
