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Add support for binding a thread to a specific CPU (IRIX only at this time).

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ehofman
2005-01-09 10:24:54 +00:00
parent 5d248bf0df
commit 0b723174fd
2 changed files with 9 additions and 3 deletions
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simgear/threads/SGThread.cxx
+1 -1
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@@ -4,7 +4,7 @@
# include <time.h> # include <time.h>
#else #else
# if defined ( sgi ) && !defined( __GNUC__ ) # if defined ( sgi ) && !defined( __GNUC__ )
// This works arounf a bug triggered when using MipsPro 7.4.1 // This works around a bug triggered when using MipsPro 7.4.1
// and (at least) IRIX 6.5.20 // and (at least) IRIX 6.5.20
# include <iostream> # include <iostream>
# endif # endif
simgear/threads/SGThread.hxx
+8 -2
View File
@@ -67,9 +67,11 @@ public:
/** /**
* Start the underlying thread of execution. * Start the underlying thread of execution.
* @param cpu An optional parameter to specify on which CPU to run this
* thread (only supported on IRIX at this time).
* @return Pthread error code if execution fails, otherwise returns 0. * @return Pthread error code if execution fails, otherwise returns 0.
*/ */
int start(); int start( unsigned cpu = 0 );
/** /**
* Sends a cancellation request to the underlying thread. The target * Sends a cancellation request to the underlying thread. The target
@@ -130,10 +132,14 @@ SGThread::~SGThread()
} }
inline int inline int
SGThread::start() SGThread::start( unsigned cpu )
{ {
int status = pthread_create( &tid, 0, start_handler, this ); int status = pthread_create( &tid, 0, start_handler, this );
assert( status == 0 ); assert( status == 0 );
#if defined( sgi )
if ( !status && !cpu )
pthread_setrunon_np( cpu );
#endif
return status; return status;
} }