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#include "UnityPrefix.h"
#if SUPPORT_THREADS
#include "Thread.h"
#include "ThreadUtility.h"
#include "ThreadHelper.h"
#if UNITY_OSX || UNITY_IPHONE
#include <mach/mach.h>
#include <dlfcn.h>
#endif
#if UNITY_PS3
# include <sys/timer.h>
#endif
#if UNITY_PEPPER && defined(__native_client__)
#include <sys/time.h>
#include <sys/signal.h>
#include <sys/nacl_syscalls.h>
#endif
#if UNITY_ANDROID || UNITY_TIZEN
#include <sys/prctl.h>
#endif
#if UNITY_WINRT
#include "PlatformDependent/MetroPlayer/Win32Threads.h"
#endif
void ThreadHelper::Sleep(double time)
{
#if UNITY_WINRT
int milliseconds = (int)(time * 1000.0);
//::SleepEx(milliseconds, true); // Must be alertable so that mono runtime can request thread suspend
HANDLE const event = CreateEventExW(nullptr, nullptr, CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS);
Assert(NULL != event);
if (NULL != event)
{
WaitForSingleObjectEx(event, milliseconds, TRUE);
CloseHandle(event);
}
#elif UNITY_WIN || UNITY_XENON
int milliseconds = (int)(time * 1000.0);
::SleepEx(milliseconds, true); // Must be alertable so that mono runtime can request thread suspend
#elif UNITY_PS3
sys_timer_usleep((int)(time * 1000.0));
#elif UNITY_PEPPER
usleep((int)(time * 1000.0));
#elif THREAD_API_PTHREAD || (UNITY_OSX || UNITY_IPHONE || UNITY_ANDROID || UNITY_LINUX || UNITY_BB10 || UNITY_TIZEN)
timespec ts;
int seconds = FloorfToInt(time);
double micro = (time - seconds) * 1000000.0;
int nano = (int)micro * 1000;
ts.tv_sec = seconds;
ts.tv_nsec = nano;
// nanosleep takes a timespec that is an offset, not
// an absolute time.
nanosleep(&ts, 0); // note: the spleep is aborted if the thread receives a signal. It will return -1 and set errno to EINTR.
#else
#error Unknown OS API - not POSIX nor WinAPI
#endif
}
void ThreadHelper::SetThreadName(const Thread* thread)
{
if (!thread->m_Name)
return;
#if (UNITY_WIN && !UNITY_WINRT)
const DWORD MS_VC_EXCEPTION=0x406D1388;
#pragma pack(push,8)
typedef struct tagTHREADNAME_INFO
{
DWORD dwType; // Must be 0x1000.
LPCSTR szName; // Pointer to name (in user addr space).
DWORD dwThreadID; // Thread ID (-1=caller thread).
DWORD dwFlags; // Reserved for future use, must be zero.
} THREADNAME_INFO;
#pragma pack(pop)
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = thread->m_Name;
info.dwThreadID = thread->m_Thread.m_ThreadId;
info.dwFlags = 0;
__try
{
RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info );
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
#elif UNITY_WINRT
#pragma message("todo: implement") // ?!-
#elif UNITY_XENON
typedef struct tagTHREADNAME_INFO {
DWORD dwType; // Must be 0x1000
LPCSTR szName; // Pointer to name (in user address space)
DWORD dwThreadID; // Thread ID (-1 for caller thread)
DWORD dwFlags; // Reserved for future use; must be zero
} THREADNAME_INFO;
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = thread->m_Name;
info.dwThreadID = thread->m_Thread.m_ThreadId;
info.dwFlags = 0;
__try
{
RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(DWORD), (DWORD *)&info );
}
__except( GetExceptionCode()==0x406D1388 ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_EXECUTE_HANDLER )
{
}
#elif UNITY_OSX
// pthread_setname_np is OSX 10.6 and later only
int (*dynamic_pthread_setname_np)(const char*);
*reinterpret_cast<void**>(&dynamic_pthread_setname_np) = dlsym(RTLD_DEFAULT, "pthread_setname_np");
if (dynamic_pthread_setname_np)
dynamic_pthread_setname_np(thread->m_Name);
#elif UNITY_ANDROID || UNITY_TIZEN
prctl(PR_SET_NAME, (unsigned long)(thread->m_Name ? thread->m_Name : "<Unknown>"),0,0,0);
#endif
}
void ThreadHelper::SetThreadProcessor(const Thread* thread, int processor)
{
if (processor == DEFAULT_UNITY_THREAD_PROCESSOR)
return;
#if UNITY_OSX
if (thread == NULL ||
thread->m_Thread.m_Thread == Thread::GetCurrentThreadID())
{
#define THREAD_AFFINITY_POLICY 4
integer_t tap = 1 + processor;
thread_policy_set(mach_thread_self(), THREAD_AFFINITY_POLICY, (integer_t*) &tap, 1);
}
#elif UNITY_WIN
// We interpret 'processor' here as processor core
// HANDLE hThread = thread == NULL ? GetCurrentThread() : thread->m_Thread.m_Thread;
// DWORD affinity = systeminfo::GetCoreAffinityMask(processor);
// SetThreadAffinityMask(hThread, affinity);
#elif UNITY_XENON
HANDLE hThread = thread == NULL ? GetCurrentThread() : thread->m_Thread.m_Thread;
AssertIf(processor > 5);
XSetThreadProcessor(hThread, processor);
#endif
}
double ThreadHelper::GetThreadRunningTime(Thread::ThreadID thread)
{
#if UNITY_OSX || UNITY_IPHONE
mach_port_t mach_thread = pthread_mach_thread_np(thread);
thread_basic_info_data_t info;
mach_msg_type_number_t size = sizeof(thread_basic_info_data_t)/sizeof(integer_t);
if (thread_info (mach_thread, THREAD_BASIC_INFO, (integer_t*)&info, &size))
return 0;
return (double)info.user_time.microseconds / 1000000.0f + info.user_time.seconds
+ (double)info.system_time.microseconds / 1000000.0f + info.system_time.seconds;
#elif (UNITY_WIN && !UNITY_WINRT) || UNITY_XENON
double time = 0.0;
HANDLE threadHandle = OpenThread(THREAD_QUERY_INFORMATION, FALSE, thread);
if (NULL != threadHandle)
{
FILETIME creationTime, exitTime, kernelTime, userTime;
if (GetThreadTimes(threadHandle, &creationTime, &exitTime, &kernelTime, &userTime))
{
ULARGE_INTEGER largeKernelTime = { kernelTime.dwLowDateTime, kernelTime.dwHighDateTime };
ULARGE_INTEGER largeUserTime = { userTime.dwLowDateTime, userTime.dwHighDateTime };
time = ((largeKernelTime.QuadPart + largeUserTime.QuadPart) / 10000000.0);
}
CloseHandle(threadHandle);
}
return time;
#else
return 0.0;
#endif
}
#endif
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