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323 lines (272 loc) · 7.21 KB
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// Copyright © 2013 CCP ehf.
#include <CCPLog.h>
#include "include/CcpThread.h"
#include "include/CCPMemory.h"
namespace
{
struct CreateThreadData
{
CcpThreadProc_t functionToCall;
void* context;
};
}
#if _WIN32
#include <map>
namespace
{
std::map<CcpThreadHandle_t,CcpThreadId_t> s_handleToId;
DWORD WINAPI ThreadProcHelper( void* context )
{
CreateThreadData* data = reinterpret_cast<CreateThreadData*>( context );
CcpThreadProc_t f = data->functionToCall;
void* ctx = data->context;
CCP_DELETE data;
return f( ctx );
}
}
CcpThreadId_t CcpGetCurrentThreadId()
{
return GetCurrentThreadId();
}
CcpThreadHandle_t CcpCreateThread( CcpThreadProc_t threadProc, void* context, CcpThreadPriority_t priority )
{
CreateThreadData* data = CCP_NEW( "CcpCreateThread/data" ) CreateThreadData;
data->functionToCall = threadProc;
data->context = context;
CcpThreadId_t id;
CcpThreadHandle_t threadHandle = CreateThread( 0, 0, ThreadProcHelper, data, CREATE_SUSPENDED, &id );
s_handleToId[threadHandle] = id;
SetThreadPriority( threadHandle, priority );
ResumeThread( threadHandle );
return threadHandle;
}
CcpThreadId_t CcpGetThreadId( CcpThreadHandle_t handle )
{
return s_handleToId[handle];
}
int CcpJoinThread( CcpThreadHandle_t threadHandle, uint32_t& result )
{
return CcpJoinThreadWithTimeout( threadHandle, INFINITE, result );
}
int CcpJoinThreadWithTimeout( CcpThreadHandle_t threadHandle, uint32_t timeoutInMs, uint32_t& result )
{
DWORD s = WaitForSingleObject( threadHandle, timeoutInMs );
if( s == 0 )
{
GetExitCodeThread( threadHandle, (DWORD*)&result );
::CloseHandle( threadHandle );
return 0;
}
else
{
// TODO: Translate error code
return s;
}
}
bool CcpSetThreadPriority( CcpThreadHandle_t thread, CcpThreadPriority_t priority )
{
return SetThreadPriority( thread, priority ) != 0;
}
void CcpThreadSleep( uint32_t sleepTimeInMs )
{
Sleep( sleepTimeInMs );
}
void CcpKillThread( CcpThreadHandle_t threadHandle )
{
TerminateThread( threadHandle, 0 );
}
void CcpSetThreadPriority( CcpThread& thread, CcpThreadPriority_t priority )
{
if( thread.joinable() )
{
SetThreadPriority( thread.native_handle(), priority );
}
}
bool CcpGetThreadTimes( int64_t& kernelTime, int64_t& userTime )
{
FILETIME dummy;
return GetThreadTimes( GetCurrentThread(), &dummy, &dummy, (LPFILETIME)&kernelTime, (LPFILETIME)&userTime ) != 0;
}
#elif __APPLE__
#include <sys/time.h>
#include "include/CCPAssert.h"
#include <mach/thread_act.h>
namespace
{
void* ThreadProcHelper( void* context )
{
CreateThreadData* data = reinterpret_cast<CreateThreadData*>( context );
CcpThreadProc_t f = data->functionToCall;
void* ctx = data->context;
CCP_DELETE data;
return (void*)(ptrdiff_t)f( ctx );
}
}
CcpThreadId_t CcpGetCurrentThreadId()
{
return pthread_mach_thread_np(pthread_self());
}
CcpThreadHandle_t CcpCreateThread( CcpThreadProc_t threadProc, void* context, CcpThreadPriority_t priority )
{
pthread_attr_t attr;
if( pthread_attr_init( &attr ) != 0 )
{
return nullptr;
}
CreateThreadData* data = CCP_NEW( "CcpCreateThread/data" ) CreateThreadData;
data->functionToCall = threadProc;
data->context = context;
CcpThreadHandle_t threadHandle;
int s = pthread_create( &threadHandle, &attr, ThreadProcHelper, data );
if( priority != CCP_THREAD_PRIORITY_NORMAL )
{
CcpSetThreadPriority( threadHandle, priority );
}
pthread_attr_destroy( &attr );
if( s == 0 )
{
return threadHandle;
}
else
{
return nullptr;
}
}
int CcpJoinThread( CcpThreadHandle_t threadHandle, uint32_t& result )
{
void* threadResult = nullptr;
int s = pthread_join( threadHandle, &threadResult );
if( s == 0 )
{
result = uint32_t( uintptr_t( threadResult ) );
return 0;
}
else
{
// TODO: Translate error code
return s;
}
}
namespace
{
struct JoinTimeoutData
{
CcpThreadHandle_t threadHandle;
bool done;
void* threadResult;
};
void* JoinTimeoutHelper( void* arg )
{
JoinTimeoutData* data = static_cast<JoinTimeoutData*>( arg );
pthread_join( data->threadHandle, &data->threadResult );
data->done = true;
return nullptr;
}
uint32_t GetTicks()
{
timeval tv;
gettimeofday( &tv, nullptr );
return uint32_t( tv.tv_usec / 1000 + tv.tv_sec * 1000 );
}
}
int CcpJoinThreadWithTimeout( CcpThreadHandle_t threadHandle, uint32_t timeoutInMs, uint32_t& result )
{
uint32_t start = GetTicks();
JoinTimeoutData data;
data.threadHandle = threadHandle;
data.done = false;
CcpThreadHandle_t id;
if( pthread_create( &id, nullptr, &JoinTimeoutHelper, &data ) != 0 )
{
return -1;
}
do
{
if( data.done )
{
break;
}
CcpThreadSleep( 10 );
}
while( GetTicks() - start < timeoutInMs );
if( !data.done )
{
pthread_cancel( id );
return 1;
}
pthread_join( id, nullptr );
result = uint32_t( uintptr_t( data.threadResult ) );
return 0;
}
CcpThreadId_t CcpGetThreadId( CcpThreadHandle_t handle )
{
return pthread_mach_thread_np(handle);
}
bool CcpSetThreadPriority( CcpThreadHandle_t thread, CcpThreadPriority_t priority )
{
int policy;
sched_param param;
if( pthread_getschedparam( thread, &policy, ¶m ) )
{
return false;
}
auto minPriority = sched_get_priority_min( policy );
auto maxPriority = sched_get_priority_max( policy );
auto normalPriority = ( minPriority + maxPriority ) / 2;
switch( priority )
{
case CCP_THREAD_PRIORITY_LOWEST:
param.sched_priority = minPriority;
break;
case CCP_THREAD_PRIORITY_BELOW_NORMAL:
param.sched_priority = ( minPriority + normalPriority ) / 2;
break;
case CCP_THREAD_PRIORITY_HIGHEST:
param.sched_priority = maxPriority;
break;
case CCP_THREAD_PRIORITY_ABOVE_NORMAL:
param.sched_priority = ( maxPriority + normalPriority ) / 2;
break;
default:
param.sched_priority = normalPriority;
}
return pthread_setschedparam( thread, policy, ¶m ) == 0;
}
void CcpThreadSleep( uint32_t sleepTimeInMs )
{
timespec ts;
ts.tv_sec = sleepTimeInMs / 1000;
ts.tv_nsec = (sleepTimeInMs % 1000) * 1000000;
nanosleep( &ts, nullptr );
}
void CcpKillThread( CcpThreadHandle_t threadHandle )
{
pthread_cancel( threadHandle );
}
void CcpSetThreadPriority( CcpThread& thread, CcpThreadPriority_t priority )
{
if( !thread.joinable() )
{
return;
}
CcpSetThreadPriority( thread.native_handle(), priority );
}
bool CcpGetThreadTimes( int64_t& kernelTime, int64_t& userTime )
{
mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT;
thread_basic_info_data_t info;
mach_port_t port = pthread_mach_thread_np( pthread_self() );
if( !MACH_PORT_VALID( port ) )
{
return false;
}
int returnCode = thread_info( port, THREAD_BASIC_INFO, (thread_info_t)&info, &count );
if( returnCode != KERN_SUCCESS )
{
return false;
}
userTime = int64_t( info.user_time.seconds ) * 10000000 + int64_t( info.user_time.microseconds ) * 10;
kernelTime = int64_t( info.system_time.seconds ) * 10000000 + int64_t( info.system_time.microseconds ) * 10;
return true;
}
#endif