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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1469 fefdeb5f-60dc-0310-8127-8f9354f1896f
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
#ifndef foopulseoncehfoo
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#define foopulseoncehfoo
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/* $Id$ */
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/***
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This file is part of PulseAudio.
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Copyright 2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#include <pulsecore/mutex.h>
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#include <pulsecore/atomic.h>
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typedef struct pa_once {
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pa_atomic_ptr_t mutex;
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pa_atomic_t ref, done;
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} pa_once_t;
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#define PA_ONCE_INIT \
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{ \
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.mutex = PA_ATOMIC_PTR_INIT(NULL), \
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.ref = PA_ATOMIC_INIT(0), \
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.done = PA_ATOMIC_INIT(0) \
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}
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typedef void (*pa_once_func_t) (void);
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void pa_once(pa_once_t *o, pa_once_func_t f);
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#endif
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