etlegacy-libs/openal/OpenAL32/alError.c
2017-07-01 16:52:31 +02:00

82 lines
2.2 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <signal.h>
#ifdef HAVE_WINDOWS_H
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include "alMain.h"
#include "AL/alc.h"
#include "alError.h"
ALboolean TrapALError = AL_FALSE;
ALvoid alSetError(ALCcontext *Context, ALenum errorCode)
{
ALenum curerr = AL_NO_ERROR;
WARN("Error generated on context %p, code 0x%04x\n", Context, errorCode);
if(TrapALError)
{
#ifdef _WIN32
/* DebugBreak will cause an exception if there is no debugger */
if(IsDebuggerPresent())
DebugBreak();
#elif defined(SIGTRAP)
raise(SIGTRAP);
#endif
}
(void)(ATOMIC_COMPARE_EXCHANGE_STRONG_SEQ(&Context->LastError, &curerr, errorCode));
}
AL_API ALenum AL_APIENTRY alGetError(void)
{
ALCcontext *Context;
ALenum errorCode;
Context = GetContextRef();
if(!Context)
{
WARN("Querying error state on null context (implicitly 0x%04x)\n",
AL_INVALID_OPERATION);
if(TrapALError)
{
#ifdef _WIN32
if(IsDebuggerPresent())
DebugBreak();
#elif defined(SIGTRAP)
raise(SIGTRAP);
#endif
}
return AL_INVALID_OPERATION;
}
errorCode = ATOMIC_EXCHANGE_SEQ(&Context->LastError, AL_NO_ERROR);
ALCcontext_DecRef(Context);
return errorCode;
}