forked from OSchip/llvm-project
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
//===-- sanitizer_pthread_wrappers.h ----------------------------*- 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 file is a part of *Sanitizer runtime.
|
|
// It provides handy wrappers for thread manipulation, that:
|
|
// a) assert on any failure rather than returning an error code
|
|
// b) defines pthread-like interface on platforms where where <pthread.h>
|
|
// is not supplied by default.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SANITIZER_PTHREAD_WRAPPERS_H
|
|
#define SANITIZER_PTHREAD_WRAPPERS_H
|
|
|
|
#include "sanitizer_test_utils.h"
|
|
|
|
#if !defined(_WIN32)
|
|
# include <pthread.h>
|
|
// Simply forward the arguments and check that the pthread functions succeed.
|
|
# define PTHREAD_CREATE(a, b, c, d) ASSERT_EQ(0, pthread_create(a, b, c, d))
|
|
# define PTHREAD_JOIN(a, b) ASSERT_EQ(0, pthread_join(a, b))
|
|
#else
|
|
typedef HANDLE pthread_t;
|
|
|
|
struct PthreadHelperCreateThreadInfo {
|
|
void *(*start_routine)(void *);
|
|
void *arg;
|
|
};
|
|
|
|
inline DWORD WINAPI PthreadHelperThreadProc(void *arg) {
|
|
PthreadHelperCreateThreadInfo *start_data =
|
|
reinterpret_cast<PthreadHelperCreateThreadInfo*>(arg);
|
|
void *ret = (start_data->start_routine)(start_data->arg);
|
|
delete start_data;
|
|
return (DWORD)ret;
|
|
}
|
|
|
|
inline void PTHREAD_CREATE(pthread_t *thread, void *attr,
|
|
void *(*start_routine)(void *), void *arg) {
|
|
ASSERT_EQ(0, attr) << "Thread attributes are not supported yet.";
|
|
PthreadHelperCreateThreadInfo *data = new PthreadHelperCreateThreadInfo;
|
|
data->start_routine = start_routine;
|
|
data->arg = arg;
|
|
*thread = CreateThread(0, 0, PthreadHelperThreadProc, data, 0, 0);
|
|
DWORD err = GetLastError();
|
|
ASSERT_NE(nullptr, *thread) << "Failed to create a thread, got error 0x"
|
|
<< std::hex << err;
|
|
}
|
|
|
|
inline void PTHREAD_JOIN(pthread_t thread, void **value_ptr) {
|
|
ASSERT_EQ(0, value_ptr) << "Nonzero value_ptr is not supported yet.";
|
|
ASSERT_EQ(WAIT_OBJECT_0, WaitForSingleObject(thread, INFINITE));
|
|
ASSERT_NE(0, CloseHandle(thread));
|
|
}
|
|
|
|
inline void pthread_exit(void *retval) {
|
|
ASSERT_EQ(0, retval) << "Nonzero retval is not supported yet.";
|
|
ExitThread((DWORD)retval);
|
|
}
|
|
#endif // _WIN32
|
|
|
|
#endif // SANITIZER_PTHREAD_WRAPPERS_H
|