52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
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/* Plain mutexes (native Windows implementation).
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Copyright (C) 2005-2023 Free Software Foundation, Inc.
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This file 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 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2005.
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Based on GCC's gthr-win32.h. */
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#ifndef _WINDOWS_MUTEX_H
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#define _WINDOWS_MUTEX_H
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#define WIN32_LEAN_AND_MEAN /* avoid including junk */
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#include <windows.h>
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#include "windows-initguard.h"
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typedef struct
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{
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glwthread_initguard_t guard; /* protects the initialization */
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CRITICAL_SECTION lock;
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}
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glwthread_mutex_t;
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#define GLWTHREAD_MUTEX_INIT { GLWTHREAD_INITGUARD_INIT }
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void glwthread_mutex_init (glwthread_mutex_t *mutex);
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extern int glwthread_mutex_lock (glwthread_mutex_t *mutex);
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extern int glwthread_mutex_trylock (glwthread_mutex_t *mutex);
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extern int glwthread_mutex_unlock (glwthread_mutex_t *mutex);
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extern int glwthread_mutex_destroy (glwthread_mutex_t *mutex);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _WINDOWS_MUTEX_H */
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