AuroraOpenALSoft/OpenAL32/alError.c
2011-09-10 01:12:34 -07:00

63 lines
1.8 KiB
C

/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2000 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <signal.h>
#include "alMain.h"
#include "AL/alc.h"
#include "alError.h"
ALboolean TrapALError = AL_FALSE;
AL_API ALenum AL_APIENTRY alGetError(void)
{
ALCcontext *Context;
ALenum errorCode;
Context = GetContextRef();
if(!Context) return AL_INVALID_OPERATION;
errorCode = ExchangeInt(&Context->LastError, AL_NO_ERROR);
ALCcontext_DecRef(Context);
return errorCode;
}
ALvoid alSetError(ALCcontext *Context, ALenum errorCode)
{
if(TrapALError)
{
#ifdef _WIN32
/* Safely catch a breakpoint exception that wasn't caught by a debugger */
__try {
DebugBreak();
} __except((GetExceptionCode()==EXCEPTION_BREAKPOINT) ?
EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) {
}
#elif defined(SIGTRAP)
kill(getpid(), SIGTRAP);
#endif
}
CompExchangeInt(&Context->LastError, AL_NO_ERROR, errorCode);
}