You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.6 KiB
64 lines
1.6 KiB
/*
|
|
* Copyright 2017 The LibYuv Project Authors. All rights reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include "libyuv/cpu_id.h"
|
|
|
|
#if defined(__clang__)
|
|
#if __has_include(<pthread.h>)
|
|
#define LIBYUV_HAVE_PTHREAD 1
|
|
#endif
|
|
#elif defined(__linux__)
|
|
#define LIBYUV_HAVE_PTHREAD 1
|
|
#endif
|
|
|
|
#ifdef LIBYUV_HAVE_PTHREAD
|
|
#include <pthread.h>
|
|
#endif
|
|
|
|
namespace libyuv {
|
|
|
|
#ifdef LIBYUV_HAVE_PTHREAD
|
|
void* ThreadMain(void* arg) {
|
|
int* flags = static_cast<int*>(arg);
|
|
|
|
*flags = TestCpuFlag(kCpuHasSSSE3);
|
|
return nullptr;
|
|
}
|
|
#endif // LIBYUV_HAVE_PTHREAD
|
|
|
|
// Call TestCpuFlag() from two threads. ThreadSanitizer should not report any
|
|
// data race.
|
|
TEST(LibYUVCpuThreadTest, TestCpuFlagMultipleThreads) {
|
|
#ifdef LIBYUV_HAVE_PTHREAD
|
|
int cpu_flags1;
|
|
int cpu_flags2;
|
|
int ret;
|
|
pthread_t thread1;
|
|
pthread_t thread2;
|
|
|
|
MaskCpuFlags(0); // Reset to 0 to allow auto detect.
|
|
ret = pthread_create(&thread1, nullptr, ThreadMain, &cpu_flags1);
|
|
ASSERT_EQ(ret, 0);
|
|
ret = pthread_create(&thread2, nullptr, ThreadMain, &cpu_flags2);
|
|
ASSERT_EQ(ret, 0);
|
|
ret = pthread_join(thread1, nullptr);
|
|
EXPECT_EQ(ret, 0);
|
|
ret = pthread_join(thread2, nullptr);
|
|
EXPECT_EQ(ret, 0);
|
|
EXPECT_EQ(cpu_flags1, cpu_flags2);
|
|
#else
|
|
printf("pthread unavailable; Test skipped.");
|
|
#endif // LIBYUV_HAVE_PTHREAD
|
|
}
|
|
|
|
} // namespace libyuv
|