| /* Timed mutexes (native Windows implementation). |
| Copyright (C) 2005-2020 Free Software Foundation, Inc. |
| |
| 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, or (at your option) |
| any later version. |
| |
| 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, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2005, 2019. |
| Based on GCC's gthr-win32.h. */ |
| |
| #ifndef _WINDOWS_TIMEDMUTEX_H |
| #define _WINDOWS_TIMEDMUTEX_H |
| |
| #define WIN32_LEAN_AND_MEAN /* avoid including junk */ |
| #include <windows.h> |
| |
| #include <time.h> |
| |
| #include "windows-initguard.h" |
| |
| typedef struct |
| { |
| glwthread_initguard_t guard; /* protects the initialization */ |
| HANDLE event; |
| CRITICAL_SECTION lock; |
| } |
| glwthread_timedmutex_t; |
| |
| #define GLWTHREAD_TIMEDMUTEX_INIT { GLWTHREAD_INITGUARD_INIT } |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern int glwthread_timedmutex_init (glwthread_timedmutex_t *mutex); |
| extern int glwthread_timedmutex_lock (glwthread_timedmutex_t *mutex); |
| extern int glwthread_timedmutex_trylock (glwthread_timedmutex_t *mutex); |
| extern int glwthread_timedmutex_timedlock (glwthread_timedmutex_t *mutex, |
| const struct timespec *abstime); |
| extern int glwthread_timedmutex_unlock (glwthread_timedmutex_t *mutex); |
| extern int glwthread_timedmutex_destroy (glwthread_timedmutex_t *mutex); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _WINDOWS_TIMEDMUTEX_H */ |