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/*
* Copyright (c) 2015 The WebRTC 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 "webrtc/base/platform_thread.h"
#include <string.h>
#include "webrtc/base/checks.h"
#if defined(WEBRTC_LINUX)
#include <sys/prctl.h>
#include <sys/syscall.h>
#endif
namespace rtc {
PlatformThreadId CurrentThreadId() {
PlatformThreadId ret;
#if defined(WEBRTC_WIN)
ret = GetCurrentThreadId();
#elif defined(WEBRTC_POSIX)
#if defined(WEBRTC_MAC) || defined(WEBRTC_IOS)
ret = pthread_mach_thread_np(pthread_self());
#elif defined(WEBRTC_LINUX)
ret = syscall(__NR_gettid);
#elif defined(WEBRTC_ANDROID)
ret = gettid();
#else
// Default implementation for nacl and solaris.
ret = reinterpret_cast<pid_t>(pthread_self());
#endif
#endif // defined(WEBRTC_POSIX)
RTC_DCHECK(ret);
return ret;
}
PlatformThreadRef CurrentThreadRef() {
#if defined(WEBRTC_WIN)
return GetCurrentThreadId();
#elif defined(WEBRTC_POSIX)
return pthread_self();
#endif
}
bool IsThreadRefEqual(const PlatformThreadRef& a, const PlatformThreadRef& b) {
#if defined(WEBRTC_WIN)
return a == b;
#elif defined(WEBRTC_POSIX)
return pthread_equal(a, b);
#endif
}
void SetCurrentThreadName(const char* name) {
RTC_DCHECK(strlen(name) < 64);
#if defined(WEBRTC_WIN)
struct {
DWORD dwType;
LPCSTR szName;
DWORD dwThreadID;
DWORD dwFlags;
} threadname_info = {0x1000, name, static_cast<DWORD>(-1), 0};
__try {
::RaiseException(0x406D1388, 0, sizeof(threadname_info) / sizeof(DWORD),
reinterpret_cast<ULONG_PTR*>(&threadname_info));
} __except (EXCEPTION_EXECUTE_HANDLER) {
}
#elif defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID)
prctl(PR_SET_NAME, reinterpret_cast<unsigned long>(name));
#elif defined(WEBRTC_MAC) || defined(WEBRTC_IOS)
pthread_setname_np(name);
#endif
}
} // namespace rtc
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