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//===-- sanitizer_pthread_wrappers.h ----------------------------*- C++ -*-===//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// 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.
#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))
typedef HANDLE pthread_t;
struct PthreadHelperCreateThreadInfo {
void *(*start_routine)(void *);
void *arg;
inline DWORD WINAPI PthreadHelperThreadProc(void *arg) {
PthreadHelperCreateThreadInfo *start_data =
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);
ASSERT_NE(nullptr, *thread) << "Failed to create a thread.";
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.";
#endif // _WIN32