mirror of
https://github.com/DaedalusX64/daedalus.git
synced 2025-04-02 10:21:48 -04:00
134 lines
3.1 KiB
C++
134 lines
3.1 KiB
C++
/*
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Copyright (C) 2005 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "Base/Types.h"
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#include "System/Thread.h"
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#include <pthread.h>
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#include <unistd.h>
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#include <sched.h>
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const ThreadHandle kInvalidThreadHandle = -1;
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namespace
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{
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DAEDALUS_STATIC_ASSERT( sizeof( pthread_t ) == sizeof( ThreadHandle ) );
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const int gThreadPriorities [[maybe_unused]] [ TP_NUM_PRIORITIES ] =
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{
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0x19, // TP_LOW
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0x18, // TP_NORMAL
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0x17, // TP_HIGH
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0x16, // TP_TIME_CRITICAL
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};
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pthread_t HandleToPthread( ThreadHandle handle )
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{
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return handle == kInvalidThreadHandle ? 0 : (pthread_t)handle;
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}
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ThreadHandle PthreadToHandle( pthread_t thread )
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{
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return thread ? (ThreadHandle)thread : kInvalidThreadHandle;
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}
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struct SDaedThreadDetails
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{
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SDaedThreadDetails( DaedThread function, void * argument )
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: ThreadFunction( function )
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, Argument( argument )
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{
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}
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DaedThread ThreadFunction;
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void * Argument;
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};
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// The real thread is passed in as an argument. We call it and return the result
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void * StartThreadFunc( void * arg )
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{
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SDaedThreadDetails * thread_details( reinterpret_cast< SDaedThreadDetails * >( arg ) );
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int result = thread_details->ThreadFunction( thread_details->Argument );
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delete thread_details;
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pthread_exit( &result );
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return NULL;
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}
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} // anonymous namespace
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ThreadHandle CreateThread( const char * name [[maybe_unused]], DaedThread function, void * argument )
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{
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pthread_t thread;
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pthread_attr_t thread_attr;
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pthread_attr_init( &thread_attr );
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SDaedThreadDetails * thread_details = new SDaedThreadDetails( function, argument );
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s32 result = ::pthread_create( &thread, &thread_attr, &StartThreadFunc, thread_details );
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if(result == 0)
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{
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return PthreadToHandle( thread );
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}
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pthread_attr_destroy( &thread_attr );
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return kInvalidThreadHandle;
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}
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void SetThreadPriority( ThreadHandle handle [[maybe_unused]], EThreadPriority pri [[maybe_unused]] )
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{
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DAEDALUS_ERROR( "Thread priorities not supported" );
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}
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void ReleaseThreadHandle( ThreadHandle handle [[maybe_unused]] )
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{
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// Nothing to do?
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}
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// Wait the specified time for the thread to finish.
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// Returns false if the thread didn't terminate
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bool JoinThread( ThreadHandle handle [[maybe_unused]], s32 timeout [[maybe_unused]] )
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{
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//u32 delay( timeout > 0 ? timeout : INFINITE );
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bool signalled( true );
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pthread_join( HandleToPthread( handle ), NULL );
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return signalled;
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}
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void ThreadSleepMs( u32 ms )
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{
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usleep( ms * 1000 );
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}
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void ThreadSleepTicks( u32 ticks )
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{
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// FIXME: not sure what units this is in.
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usleep( ticks );
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}
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void ThreadYield()
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{
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sched_yield();
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}
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