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This commit is contained in:
Hans Lambermont
2002-10-12 11:37:38 +00:00
commit 12315f4d0e
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47
intern/SoundSystem/openal/Makefile Normal file
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#
# $Id$
#
# ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version. The Blender
# Foundation also sells licenses for use in proprietary software under
# the Blender License. See http://www.blender.org/BL/ for information
# about this.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): none yet.
#
# ***** END GPL/BL DUAL LICENSE BLOCK *****
#
#
LIBNAME = OpenALSoundSystem
DIR = $(OCGDIR)/gameengine/$(LIBNAME)
include nan_compile.mk
CCFLAGS += $(LEVEL_1_CPP_WARNINGS)
CPPFLAGS += -I$(NAN_OPENAL)/include
CPPFLAGS += -I$(NAN_STRING)/include
CPPFLAGS += -I$(NAN_MOTO)/include
CPPFLAGS += -I../../../kernel/gen_system
CPPFLAGS += -I../intern
CPPFLAGS += -I..
CPPFLAGS += -I.

661
intern/SoundSystem/openal/SND_OpenALDevice.cpp Normal file
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/*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* SND_OpenALDevice derived from SND_IAudioDevice
*/
#ifdef WIN32
#pragma warning (disable:4786) // get rid of stupid stl-visual compiler debug warning
#endif //WIN32
#include "SND_OpenALDevice.h"
#include "SoundDefines.h"
#include "SYS_System.h"
#include "SND_Utils.h"
#include <AL/al.h>
#include <AL/alc.h>
#include <AL/alut.h>
#include <stdio.h>
#include <stdlib.h>
#if defined(WIN32)
#include <io.h>
#else
#include <unistd.h>
#endif
#include <fcntl.h>
/* untill openal gets unified we need this hack for non-windows systems */
#ifndef WIN32
#include <malloc.h>
ALvoid alutLoadWAVMemory(ALbyte *memory,ALenum *format,ALvoid **data,ALsizei *size,ALsizei *freq,ALboolean *loop);
ALvoid alutUnloadWAV(ALenum format,ALvoid *data,ALsizei size,ALsizei freq);
typedef struct /* WAV File-header */
{
ALubyte Id[4];
ALsizei Size;
ALubyte Type[4];
} WAVFileHdr_Struct;
typedef struct /* WAV Fmt-header */
{
ALushort Format;
ALushort Channels;
ALuint SamplesPerSec;
ALuint BytesPerSec;
ALushort BlockAlign;
ALushort BitsPerSample;
} WAVFmtHdr_Struct;
typedef struct /* WAV FmtEx-header */
{
ALushort Size;
ALushort SamplesPerBlock;
} WAVFmtExHdr_Struct;
typedef struct /* WAV Smpl-header */
{
ALuint Manufacturer;
ALuint Product;
ALuint SamplePeriod;
ALuint Note;
ALuint FineTune;
ALuint SMPTEFormat;
ALuint SMPTEOffest;
ALuint Loops;
ALuint SamplerData;
struct
{
ALuint Identifier;
ALuint Type;
ALuint Start;
ALuint End;
ALuint Fraction;
ALuint Count;
} Loop[1];
} WAVSmplHdr_Struct;
typedef struct /* WAV Chunk-header */
{
ALubyte Id[4];
ALuint Size;
} WAVChunkHdr_Struct;
ALvoid alutLoadWAVMemory(ALbyte *memory,ALenum *format,ALvoid **data,ALsizei *size,ALsizei *freq,ALboolean *loop)
{
WAVChunkHdr_Struct ChunkHdr;
WAVFmtExHdr_Struct FmtExHdr;
WAVFileHdr_Struct FileHdr;
WAVSmplHdr_Struct SmplHdr;
WAVFmtHdr_Struct FmtHdr;
ALbyte *Stream;
*format=AL_FORMAT_MONO16;
*data=NULL;
*size=0;
*freq=22050;
*loop=AL_FALSE;
if (memory)
{
Stream=memory;
if (Stream)
{
memcpy(&FileHdr,Stream,sizeof(WAVFileHdr_Struct));
Stream+=sizeof(WAVFileHdr_Struct);
FileHdr.Size=((FileHdr.Size+1)&~1)-4;
while ((FileHdr.Size!=0)&&(memcpy(&ChunkHdr,Stream,sizeof(WAVChunkHdr_Struct))))
{
Stream+=sizeof(WAVChunkHdr_Struct);
if (!memcmp(ChunkHdr.Id,"fmt ",4))
{
memcpy(&FmtHdr,Stream,sizeof(WAVFmtHdr_Struct));
if (FmtHdr.Format==0x0001)
{
*format=(FmtHdr.Channels==1?
(FmtHdr.BitsPerSample==8?AL_FORMAT_MONO8:AL_FORMAT_MONO16):
(FmtHdr.BitsPerSample==8?AL_FORMAT_STEREO8:AL_FORMAT_STEREO16));
*freq=FmtHdr.SamplesPerSec;
Stream+=ChunkHdr.Size;
}
else
{
memcpy(&FmtExHdr,Stream,sizeof(WAVFmtExHdr_Struct));
Stream+=ChunkHdr.Size;
}
}
else if (!memcmp(ChunkHdr.Id,"data",4))
{
if (FmtHdr.Format==0x0001)
{
*size=ChunkHdr.Size;
*data=malloc(ChunkHdr.Size+31);
if (*data) memcpy(*data,Stream,ChunkHdr.Size);
memset(((char *)*data)+ChunkHdr.Size,0,31);
Stream+=ChunkHdr.Size;
}
else if (FmtHdr.Format==0x0011)
{
//IMA ADPCM
}
else if (FmtHdr.Format==0x0055)
{
//MP3 WAVE
}
}
else if (!memcmp(ChunkHdr.Id,"smpl",4))
{
memcpy(&SmplHdr,Stream,sizeof(WAVSmplHdr_Struct));
*loop = (SmplHdr.Loops ? AL_TRUE : AL_FALSE);
Stream+=ChunkHdr.Size;
}
else Stream+=ChunkHdr.Size;
Stream+=ChunkHdr.Size&1;
FileHdr.Size-=(((ChunkHdr.Size+1)&~1)+8);
}
}
}
}
ALvoid alutUnloadWAV(ALenum format,ALvoid *data,ALsizei size,ALsizei freq)
{
if (data)
free(data);
}
#endif /* WIN32 */
SND_OpenALDevice::SND_OpenALDevice()
{
// check if audio is wanted
SYS_SystemHandle syshandle = SYS_GetSystem();
int audio = SYS_GetCommandLineInt(syshandle,"noaudio",0);
if (audio != 0)
m_audio = false;
else
m_audio = true;
m_buffersinitialized = false;
m_sourcesinitialized = false;
// let's check if we can get openal to initialize...
if (m_audio)
{
#ifdef OUDE_OPENAL
m_audio = true; // openal_2.12
alutInit(NULL, NULL); // openal_2.12
#else
m_audio = false;
ALCdevice *dev = alcOpenDevice(NULL);
if (dev) {
m_context = alcCreateContext(dev, NULL);
if (m_context) {
alcMakeContextCurrent(m_context);
m_audio = true;
}
}
#endif
}
// then try to generate some buffers
if (m_audio)
{
// let openal generate its buffers
alGenBuffers(NUM_BUFFERS, m_buffers);
m_buffersinitialized = true;
for (int i = 0; i < NUM_BUFFERS; i++)
{
if (!alIsBuffer(m_buffers[i]))
{
//printf("\n\n WARNING: OpenAL returned with an error. Continuing without audio.\n\n");
m_audio = false;
break;
}
}
}
// next: the sources
if (m_audio)
{
#ifdef OUDE_OPENAL
ALenum alc_error = ALC_NO_ERROR; // openal_2.12
#else
ALenum alc_error = alcGetError(); // openal_2.14+
#endif
// let openal generate its sources
if (alc_error == ALC_NO_ERROR)
{
alGenSources(NUM_SOURCES, m_sources);
m_sourcesinitialized = true;
}
}
// let's get us a wavecache
if (m_audio)
{
m_wavecache = new SND_WaveCache();
}
}
void SND_OpenALDevice::MakeCurrent() const
{
#ifdef WIN32
alcMakeContextCurrent(m_context);
#endif
}
SND_OpenALDevice::~SND_OpenALDevice()
{
if (m_context) {
alcMakeContextCurrent(m_context);
if (m_buffersinitialized)
alDeleteBuffers(NUM_BUFFERS, m_buffers);
if (m_sourcesinitialized)
alDeleteSources(NUM_SOURCES, m_sources);
}
}
SND_WaveSlot* SND_OpenALDevice::LoadSample(const STR_String& name,
void* memlocation,
int size)
{
SND_WaveSlot* waveslot = NULL;
STR_String samplename = name;
if (m_audio)
{
/* create the waveslot */
waveslot = m_wavecache->GetWaveSlot(samplename);
/* do we support this sample? */
if (SND_IsSampleValid(name, memlocation))
{
if (waveslot)
{
int buffer = waveslot->GetBuffer();
void* data = NULL;
char loop = 'a';
int sampleformat, bitrate, numberofchannels;
ALenum al_error = alGetError();
#ifdef OUDE_OPENAL
unsigned int samplerate, numberofsamples; // openal_2.12
#else
int samplerate, numberofsamples, frequency; // openal_2.14+
#endif
/* load the sample from memory? */
if (size && memlocation)
{
waveslot->SetFileSize(size);
/* what was (our) buffer? */
int buffer = waveslot->GetBuffer();
/* get some info out of the sample */
SND_GetSampleInfo((signed char*)memlocation, waveslot);
numberofchannels = SND_GetNumberOfChannels(memlocation);
bitrate = SND_GetBitRate(memlocation);
/* load the sample into openal */
#ifdef OUDE_OPENAL
alutLoadWAVMemory((char*)memlocation, &sampleformat, &data, &numberofsamples, &samplerate); // openal_2.12
#else
alutLoadWAVMemory((signed char*)memlocation, &sampleformat, &data, &numberofsamples, &samplerate, &loop);// openal_2.14+
#endif
/* put it in the buffer */
alBufferData(m_buffers[buffer], sampleformat, data, numberofsamples, samplerate);
}
/* or from file? */
else
{
#ifdef WIN32
alutLoadWAVFile((signed char*)samplename.Ptr(), &sampleformat, &data, &numberofsamples, &samplerate, &loop);
#else
alutLoadWAV((char*)samplename.Ptr(), &data,
&sampleformat, &numberofsamples,
&samplerate, &frequency);
#endif
/* put it in the buffer */
alBufferData(m_buffers[buffer], sampleformat, data, numberofsamples, samplerate);
}
/* fill the waveslot with info */
al_error = alGetError();
if (al_error == AL_NO_ERROR && m_buffers[buffer])
{
waveslot->SetData(data);
waveslot->SetSampleFormat(sampleformat);
waveslot->SetNumberOfChannels(numberofchannels);
waveslot->SetSampleRate(samplerate);
waveslot->SetBitRate(bitrate);
waveslot->SetNumberOfSamples(numberofsamples);
/* if the loading succeeded, mark the waveslot */
waveslot->SetLoaded(true);
}
else
{
/* or when it failed, free the waveslot */
m_wavecache->RemoveSample(waveslot->GetSampleName(), waveslot->GetBuffer());
waveslot = NULL;
}
/* and free the original stuff (copy was made in openal) */
alutUnloadWAV(sampleformat, data, numberofsamples, samplerate);
}
}
else
{
/* sample not supported, remove waveslot */
m_wavecache->RemoveSample(waveslot->GetSampleName(), waveslot->GetBuffer());
waveslot = NULL;
}
}
return waveslot;
}
// listener's and general stuff //////////////////////////////////////////////////////
/* sets the global dopplervelocity */
void SND_OpenALDevice::SetDopplerVelocity(MT_Scalar dopplervelocity) const
{
alDopplerVelocity ((float)dopplervelocity);
}
/* sets the global dopplerfactor */
void SND_OpenALDevice::SetDopplerFactor(MT_Scalar dopplerfactor) const
{
alDopplerFactor ((float)dopplerfactor);
}
/* sets the global rolloff factor */
void SND_OpenALDevice::SetListenerRollOffFactor(MT_Scalar rollofffactor) const
{
// not implemented in openal
}
void SND_OpenALDevice::NextFrame() const
{
// not needed by openal
}
// set the gain for the listener
void SND_OpenALDevice::SetListenerGain(float gain) const
{
alListenerf (AL_GAIN, gain);
}
void SND_OpenALDevice::InitListener()
{
// initialize the listener with these values that won't change
// (as long as we can have only one listener)
// now we can superimpose all listeners on each other (for they
// have the same settings)
float lispos[3] = {0,0,0};
float lisvel[3] = {0,0,0};
#ifdef WIN32
float lisori[6] = {0,1,0,0,0,1};
#else
float lisori[6] = {0,0,1,0,-1,0};
#endif
alListenerfv(AL_POSITION, lispos);
alListenerfv(AL_VELOCITY, lisvel);
alListenerfv(AL_ORIENTATION, lisori);
}
// source playstate stuff ////////////////////////////////////////////////////////////
/* sets the buffer */
void SND_OpenALDevice::SetObjectBuffer(int id, unsigned int buffer)
{
alSourcei (m_sources[id], AL_BUFFER, m_buffers[buffer]);
}
// check if the sound's still playing
int SND_OpenALDevice::GetPlayState(int id)
{
int alstate = 0;
int result = 0;
alGetSourceiv(m_sources[id], AL_SOURCE_STATE, &alstate);
switch(alstate)
{
case AL_INITIAL:
{
result = SND_INITIAL;
break;
}
case AL_PLAYING:
{
result = SND_PLAYING;
break;
}
case AL_PAUSED:
{
result = SND_PAUSED;
break;
}
case AL_STOPPED:
{
result = SND_STOPPED;
break;
}
default:
result = SND_UNKNOWN;
}
return result;
}
// make the source play
void SND_OpenALDevice::PlayObject(int id)
{
alSourcePlay(m_sources[id]);
}
// make the source stop
void SND_OpenALDevice::StopObject(int id) const
{
float obpos[3] = {0,0,0};
float obvel[3] = {0,0,0};
alSourcefv(m_sources[id], AL_POSITION, obpos);
#ifdef WIN32
alSourcefv(m_sources[id], AL_VELOCITY, obvel);
#endif
alSourcef(m_sources[id], AL_GAIN, 1.0);
alSourcef(m_sources[id], AL_PITCH, 1.0);
alSourcei(m_sources[id], AL_LOOPING, AL_FALSE);
alSourceStop(m_sources[id]);
}
// stop all sources
void SND_OpenALDevice::StopAllObjects()
{
alSourceStopv(NUM_SOURCES, m_sources);
}
// pause the source
void SND_OpenALDevice::PauseObject(int id) const
{
alSourcePause(m_sources[id]);
}
// source properties stuff ////////////////////////////////////////////////////////////
// give openal the object's pitch
void SND_OpenALDevice::SetObjectPitch(int id, MT_Scalar pitch) const
{
alSourcef (m_sources[id], AL_PITCH, (float)pitch);
}
// give openal the object's gain
void SND_OpenALDevice::SetObjectGain(int id, MT_Scalar gain) const
{
alSourcef (m_sources[id], AL_GAIN, (float)gain);
}
// give openal the object's looping
void SND_OpenALDevice::SetObjectLoop(int id, unsigned int loopmode) const
{
if (loopmode == SND_LOOP_OFF)
{
//printf("%d - ", id);
alSourcei (m_sources[id], AL_LOOPING, AL_FALSE);
}
else
alSourcei (m_sources[id], AL_LOOPING, AL_TRUE);
}
void SND_OpenALDevice::SetObjectMinGain(int id, MT_Scalar mingain) const
{
alSourcef (m_sources[id], AL_MIN_GAIN, (float)mingain);
}
void SND_OpenALDevice::SetObjectMaxGain(int id, MT_Scalar maxgain) const
{
alSourcef (m_sources[id], AL_MAX_GAIN, (float)maxgain);
}
void SND_OpenALDevice::SetObjectRollOffFactor(int id, MT_Scalar rollofffactor) const
{
alSourcef (m_sources[id], AL_ROLLOFF_FACTOR, (float)rollofffactor);
}
void SND_OpenALDevice::SetObjectReferenceDistance(int id, MT_Scalar referencedistance) const
{
alSourcef (m_sources[id], AL_REFERENCE_DISTANCE, (float)referencedistance);
}
// give openal the object's position
void SND_OpenALDevice::ObjectIs2D(int id) const
{
float obpos[3] = {0,0,0};
float obvel[3] = {0,0,0};
alSourcefv(m_sources[id], AL_POSITION, obpos);
alSourcefv(m_sources[id], AL_VELOCITY, obvel);
}
void SND_OpenALDevice::SetObjectTransform(int id,
const MT_Vector3& position,
const MT_Vector3& velocity,
const MT_Matrix3x3& orientation,
const MT_Vector3& lisposition,
const MT_Scalar& rollofffactor) const
{
float obpos[3];
float obvel[3];
obpos[0] = (float)position[0] * (float)rollofffactor; //x (l/r)
obpos[1] = (float)position[1] * (float)rollofffactor;
obpos[2] = (float)position[2] * (float)rollofffactor;
alSourcefv(m_sources[id], AL_POSITION, obpos);
#ifdef WIN32
velocity.getValue(obvel);
alSourcefv(m_sources[id], AL_VELOCITY, obvel);
#endif
}

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intern/SoundSystem/openal/SND_OpenALDevice.h Normal file
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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef SND_OPENALDEVICE
#define SND_OPENALDEVICE
#include "SND_AudioDevice.h"
#include "SoundDefines.h"
class SND_OpenALDevice : public SND_AudioDevice
{
public:
SND_OpenALDevice();
~SND_OpenALDevice();
SND_WaveSlot* LoadSample(const STR_String& samplename,
void* memlocation,
int size);
void InitListener();
void SetListenerGain(float gain) const;
void SetDopplerVelocity(MT_Scalar dopplervelocity) const;
void SetDopplerFactor(MT_Scalar dopplerfactor) const;
void SetListenerRollOffFactor(MT_Scalar rollofffactor) const;
void MakeCurrent() const;
void NextFrame() const;
void SetObjectBuffer(int id, unsigned int buffer);
int GetPlayState(int id);
void PlayObject(int id);
void StopObject(int id) const;
void StopAllObjects();
void PauseObject(int id) const;
void SetObjectLoop(int id, unsigned int loopmode) const;
void SetObjectLoopPoints(int id, unsigned int loopstart, unsigned int loopend) const {};
void SetObjectPitch(int id, MT_Scalar pitch) const;
void SetObjectGain(int id, MT_Scalar gain) const;
void SetObjectMinGain(int id, MT_Scalar mingain) const;
void SetObjectMaxGain(int id, MT_Scalar maxgain) const;
void SetObjectRollOffFactor(int id, MT_Scalar rolloff) const;
void SetObjectReferenceDistance(int id, MT_Scalar distance) const;
void SetObjectTransform(int id,
const MT_Vector3& position,
const MT_Vector3& velocity,
const MT_Matrix3x3& orientation,
const MT_Vector3& lisposition,
const MT_Scalar& rollofffactor) const;
void ObjectIs2D(int id) const;
void PlayCD(int track) const {};
void PauseCD(bool pause) const {};
void StopCD() const {};
void SetCDPlaymode(int playmode) const {};
void SetCDGain(MT_Scalar gain) const {};
void StartUsingDSP() {};
float* GetSpectrum() { return NULL; }
void StopUsingDSP() {};
private:
void* m_context;
unsigned int m_buffers[NUM_BUFFERS];
unsigned int m_sources[NUM_SOURCES];
bool m_buffersinitialized;
bool m_sourcesinitialized;
};
#endif //SND_OPENALDEVICE

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intern/SoundSystem/openal/pthread_cancel.cpp Normal file
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/* $Id$
/*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* FreeBSD 3.4 does not yet have pthread_cancel (3.5 and above do)
*/
#ifdef __FreeBSD__
#include <osreldate.h>
#if (__FreeBSD_version < 350000)
#include <pthread.h>
#define FD_READ 0x1
#define _FD_LOCK(_fd,_type,_ts) _thread_fd_lock(_fd, _type, _ts)
#define _FD_UNLOCK(_fd,_type) _thread_fd_unlock(_fd, _type)
int pthread_cancel(pthread_t pthread) {
pthread_exit(NULL);
return 0;
}
long fpathconf(int fd, int name)
{
long ret;
if ((ret = _FD_LOCK(fd, FD_READ, NULL)) == 0) {
ret = _thread_sys_fpathconf(fd, name);
_FD_UNLOCK(fd, FD_READ);
}
return ret;
}
#endif
int pthread_atfork(void *a, void *b, void *c) {
return 0;
}
#endif