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Change set precedence api to return an error message.

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This commit is contained in:
Steve Checkoway
2007-03-12 03:37:24 +00:00
parent 0673c6157d
commit 3c73e111fd
4 changed files with 13 additions and 11 deletions
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stepmania/src/arch/InputHandler/InputHandler_Carbon.cpp
+5 -2
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@@ -47,8 +47,11 @@ int InputHandler_Carbon::Run( void *data )
CFRetain( This->m_LoopRef ); CFRetain( This->m_LoopRef );
This->StartDevices(); This->StartDevices();
SetThreadPrecedence( 1.0f ); {
const RString sError = SetThreadPrecedence( 1.0f );
if( !sError.empty() )
LOG->Warn( "Could not set precedence of the input thread: %s", sError.c_str() );
}
// Add an observer for the start of the run loop // Add an observer for the start of the run loop
{ {
/* The function copies the information out of the structure, so the memory pointed /* The function copies the information out of the structure, so the memory pointed
stepmania/src/arch/Sound/RageSoundDriver_AU.cpp
+3 -1
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@@ -194,7 +194,9 @@ int64_t RageSoundDriver_AU::GetPosition() const
void RageSoundDriver_AU::SetupDecodingThread() void RageSoundDriver_AU::SetupDecodingThread()
{ {
/* Increase the scheduling precedence of the decoder thread. */ /* Increase the scheduling precedence of the decoder thread. */
SetThreadPrecedence( 0.75f ); const RString sError = SetThreadPrecedence( 0.75f );
if( !sError.empty() )
LOG->Warn( "Could not set precedence of the decoding thread: %s", sError.c_str() );
} }
float RageSoundDriver_AU::GetPlayLatency() const float RageSoundDriver_AU::GetPlayLatency() const
stepmania/src/archutils/Darwin/DarwinThreadHelpers.cpp
+4 -7
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@@ -3,8 +3,6 @@
#include <mach/mach_init.h> #include <mach/mach_init.h>
#include <mach/mach_error.h> #include <mach/mach_error.h>
#include "Backtrace.h" #include "Backtrace.h"
#include "RageLog.h"
#include "RageUtil.h"
bool SuspendThread( uint64_t threadHandle ) bool SuspendThread( uint64_t threadHandle )
{ {
@@ -53,18 +51,17 @@ bool GetThreadBacktraceContext( uint64_t iID, BacktraceContext *ctx )
#endif #endif
} }
void SetThreadPrecedence( float prec ) RString SetThreadPrecedence( float prec )
{ {
// Real values are between 0 and 63. // Real values are between 0 and 63.
if( CLAMP(prec, 0.0f, 1.0f) ) DEBUG_ASSERT( 0.0f <= prec && prec <= 1.0f );
LOG->Warn( "Thread precedence clamped to %f.", prec );
thread_precedence_policy po = { integer_t( lrintf(prec * 63) ) }; thread_precedence_policy po = { integer_t( lrintf(prec * 63) ) };
kern_return_t ret = thread_policy_set( mach_thread_self(), THREAD_PRECEDENCE_POLICY, kern_return_t ret = thread_policy_set( mach_thread_self(), THREAD_PRECEDENCE_POLICY,
(thread_policy_t)&po, THREAD_PRECEDENCE_POLICY_COUNT ); (thread_policy_t)&po, THREAD_PRECEDENCE_POLICY_COUNT );
if( ret != KERN_SUCCESS ) if( ret != KERN_SUCCESS )
LOG->Warn( "Couldn't set the precedence for the input thread: %s", return mach_error_string( ret );
mach_error_string(ret) ); return RString();
} }
/* /*
stepmania/src/archutils/Darwin/DarwinThreadHelpers.h
+1 -1
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@@ -5,7 +5,7 @@ bool SuspendThread( uint64_t threadHandle );
bool ResumeThread( uint64_t threadHandle ); bool ResumeThread( uint64_t threadHandle );
uint64_t GetCurrentThreadId(); uint64_t GetCurrentThreadId();
// Valid values are from 0.0f to 1.0f. 0.5f is default. // Valid values are from 0.0f to 1.0f. 0.5f is default.
void SetThreadPrecedence( float prec ); RString SetThreadPrecedence( float prec );
#endif #endif