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
49
50
51
52
| //===-- llvm/Support/thread.h - Wrapper for <thread> ------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This header is a wrapper for <thread> that works around problems with the
// MSVC headers when exceptions are disabled. It also provides llvm::thread,
// which is either a typedef of std::thread or a replacement that calls the
// function synchronously depending on the value of LLVM_ENABLE_THREADS.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_THREAD_H
#define LLVM_SUPPORT_THREAD_H
#include "llvm/Config/llvm-config.h"
#if LLVM_ENABLE_THREADS
#include <thread>
namespace llvm {
typedef std::thread thread;
}
#else // !LLVM_ENABLE_THREADS
#include <utility>
namespace llvm {
struct thread {
thread() {}
thread(thread &&other) {}
template <class Function, class... Args>
explicit thread(Function &&f, Args &&... args) {
f(std::forward<Args>(args)...);
}
thread(const thread &) = delete;
void join() {}
static unsigned hardware_concurrency() { return 1; };
};
}
#endif // LLVM_ENABLE_THREADS
#endif
|