Update of /cvsroot/pure-data/pd/portaudio/pa_unix
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv26116/pa_unix
Added Files:
pa_unix_hostapis.c pa_unix_util.c pa_unix_util.h
Log Message:
these files have been removed by mistake, they are necessary for portaudio support
--- NEW FILE: pa_unix_util.h ---
#ifndef PA_UNIX_UTIL_H
#define PA_UNIX_UTIL_H
#include "pa_cpuload.h"
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#define PA_MIN(x,y) ( (x) < (y) ? (x) : (y) )
#define PA_MAX(x,y) ( (x) > (y) ? (x) : (y) )
/* Utilize GCC branch prediction for error tests */
#if defined __GNUC__ && __GNUC__ >= 3
#define UNLIKELY(expr) __builtin_expect( (expr), 0 )
#else
#define UNLIKELY(expr) (expr)
#endif
#define STRINGIZE_HELPER(expr) #expr
#define STRINGIZE(expr) STRINGIZE_HELPER(expr)
#define PA_UNLESS(expr, code) \
do { \
if( UNLIKELY( (expr) == 0 ) ) \
{ \
PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
result = (code); \
goto error; \
} \
} while (0);
static PaError paUtilErr_; /* Used with PA_ENSURE */
/* Check PaError */
#define PA_ENSURE(expr) \
do { \
if( UNLIKELY( (paUtilErr_ = (expr)) < paNoError ) ) \
{ \
PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
result = paUtilErr_; \
goto error; \
} \
} while (0);
typedef struct {
pthread_t callbackThread;
} PaUtilThreading;
PaError PaUtil_InitializeThreading( PaUtilThreading *threading );
void PaUtil_TerminateThreading( PaUtilThreading *threading );
PaError PaUtil_StartThreading( PaUtilThreading *threading, void *(*threadRoutine)(void *), void *data );
PaError PaUtil_CancelThreading( PaUtilThreading *threading, int wait, PaError *exitResult );
/* State accessed by utility functions */
/*
void PaUnix_SetRealtimeScheduling( int rt );
void PaUtil_InitializeThreading( PaUtilThreading *th, PaUtilCpuLoadMeasurer *clm );
PaError PaUtil_CreateCallbackThread( PaUtilThreading *th, void *(*CallbackThreadFunc)( void * ), PaStream *s );
PaError PaUtil_KillCallbackThread( PaUtilThreading *th, PaError *exitResult );
void PaUtil_CallbackUpdate( PaUtilThreading *th );
*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
--- NEW FILE: pa_unix_util.c ---
/*
* $Id: pa_unix_util.c,v 1.1.2.8 2005/11/20 13:46:13 aknudsen Exp $
* Portable Audio I/O Library
* UNIX platform-specific support functions
*
* Based on the Open Source API proposed by Ross Bencina
* Copyright (c) 1999-2000 Ross Bencina
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <assert.h>
#include <string.h> /* For memset */
#include "pa_util.h"
#include "pa_unix_util.h"
/*
Track memory allocations to avoid leaks.
*/
#if PA_TRACK_MEMORY
static int numAllocations_ = 0;
#endif
void *PaUtil_AllocateMemory( long size )
{
void *result = malloc( size );
#if PA_TRACK_MEMORY
if( result != NULL ) numAllocations_ += 1;
#endif
return result;
}
void PaUtil_FreeMemory( void *block )
{
if( block != NULL )
{
free( block );
#if PA_TRACK_MEMORY
numAllocations_ -= 1;
#endif
}
}
int PaUtil_CountCurrentlyAllocatedBlocks( void )
{
#if PA_TRACK_MEMORY
return numAllocations_;
#else
return 0;
#endif
}
void Pa_Sleep( long msec )
{
#ifdef HAVE_NANOSLEEP
struct timespec req = {0}, rem = {0};
PaTime time = msec / 1.e3;
req.tv_sec = (time_t)time;
assert(time - req.tv_sec < 1.0);
req.tv_nsec = (long)((time - req.tv_sec) * 1.e9);
nanosleep(&req, &rem);
/* XXX: Try sleeping the remaining time (contained in rem) if interrupted by a signal? */
#else
while( msec > 999 ) /* For OpenBSD and IRIX, argument */
{ /* to usleep must be < 1000000. */
usleep( 999000 );
msec -= 999;
}
usleep( msec * 1000 );
#endif
}
/* *** NOT USED YET: ***
static int usePerformanceCounter_;
static double microsecondsPerTick_;
*/
void PaUtil_InitializeClock( void )
{
/* TODO */
}
PaTime PaUtil_GetTime( void )
{
#ifdef HAVE_CLOCK_GETTIME
struct timespec tp;
clock_gettime(CLOCK_REALTIME, &tp);
return (PaTime)(tp.tv_sec + tp.tv_nsec / 1.e9);
#else
struct timeval tv;
gettimeofday( &tv, NULL );
return (PaTime) tv.tv_usec / 1000000. + tv.tv_sec;
#endif
}
PaError PaUtil_InitializeThreading( PaUtilThreading *threading )
{
(void) paUtilErr_;
return paNoError;
}
void PaUtil_TerminateThreading( PaUtilThreading *threading )
{
}
PaError PaUtil_StartThreading( PaUtilThreading *threading, void *(*threadRoutine)(void *), void *data )
{
pthread_create( &threading->callbackThread, NULL, threadRoutine, data );
return paNoError;
}
PaError PaUtil_CancelThreading( PaUtilThreading *threading, int wait, PaError *exitResult )
{
PaError result = paNoError;
void *pret;
if( exitResult )
*exitResult = paNoError;
/* Only kill the thread if it isn't in the process of stopping (flushing adaptation buffers) */
if( !wait )
pthread_cancel( threading->callbackThread ); /* XXX: Safe to call this if the thread has exited on its own? */
pthread_join( threading->callbackThread, &pret );
#ifdef PTHREAD_CANCELED
if( pret && PTHREAD_CANCELED != pret )
#else
/* !wait means the thread may have been canceled */
if( pret && wait )
#endif
{
if( exitResult )
*exitResult = *(PaError *) pret;
free( pret );
}
return result;
}
/*
static void *CanaryFunc( void *userData )
{
const unsigned intervalMsec = 1000;
PaUtilThreading *th = (PaUtilThreading *) userData;
while( 1 )
{
th->canaryTime = PaUtil_GetTime();
pthread_testcancel();
Pa_Sleep( intervalMsec );
}
pthread_exit( NULL );
}
*/
--- NEW FILE: pa_unix_hostapis.c ---
/*
* $Id: pa_unix_hostapis.c,v 1.1.2.5 2003/10/02 12:35:46 pieter Exp $
* Portable Audio I/O Library UNIX initialization table
*
* Based on the Open Source API proposed by Ross Bencina
* Copyright (c) 1999-2002 Ross Bencina, Phil Burk
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "pa_hostapi.h"
PaError PaJack_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
PaError PaAlsa_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
PaError PaOSS_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
/* Added for IRIX, Pieter, oct 2, 2003: */
PaError PaSGI_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
PaUtilHostApiInitializer *paHostApiInitializers[] =
{
#ifdef PA_USE_OSS
PaOSS_Initialize,
#endif
#ifdef PA_USE_ALSA
PaAlsa_Initialize,
#endif
#ifdef PA_USE_JACK
PaJack_Initialize,
#endif
/* Added for IRIX, Pieter, oct 2, 2003: */
#ifdef PA_USE_SGI
PaSGI_Initialize,
#endif
0 /* NULL terminated array */
};
int paDefaultHostApiIndex = 0;