diff options
author | Jörg Frings-Fürst <debian@jff.email> | 2024-10-20 15:21:43 +0200 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2024-10-20 15:21:43 +0200 |
commit | 4682deeb62247d34de87f8e777f99e2d337fd377 (patch) | |
tree | 5bd5b5605b5f3a4b3c8ea7468c34c23094afdef4 /tests/windows-timedrwlock.h | |
parent | 00893e79fc62966067af1a106567db96bd170338 (diff) |
New upstream version 1.3upstream/1.3upstream
Diffstat (limited to 'tests/windows-timedrwlock.h')
-rw-r--r-- | tests/windows-timedrwlock.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/windows-timedrwlock.h b/tests/windows-timedrwlock.h new file mode 100644 index 00000000..4520f08c --- /dev/null +++ b/tests/windows-timedrwlock.h @@ -0,0 +1,76 @@ +/* Timed read-write locks (native Windows implementation). + Copyright (C) 2019-2024 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2019. */ + +#ifndef _WINDOWS_TIMEDRWLOCK_H +#define _WINDOWS_TIMEDRWLOCK_H + +#define WIN32_LEAN_AND_MEAN /* avoid including junk */ +#include <windows.h> + +#include <time.h> + +#include "windows-initguard.h" + +#ifndef _glwthread_linked_waitqueue_link_defined +#define _glwthread_linked_waitqueue_link_defined +struct glwthread_waitqueue_link +{ + struct glwthread_waitqueue_link *wql_next; + struct glwthread_waitqueue_link *wql_prev; +}; +#endif /* _glwthread_linked_waitqueue_link_defined */ +typedef struct + { + struct glwthread_waitqueue_link wq_list; /* circular list of waiting threads */ + unsigned int count; /* number of waiting threads */ + } + glwthread_clinked_waitqueue_t; + +typedef struct + { + glwthread_initguard_t guard; /* protects the initialization */ + CRITICAL_SECTION lock; /* protects the remaining fields */ + glwthread_clinked_waitqueue_t waiting_readers; /* waiting readers */ + glwthread_clinked_waitqueue_t waiting_writers; /* waiting writers */ + int runcount; /* number of readers running, or -1 when a writer runs */ + } + glwthread_timedrwlock_t; + +#define GLWTHREAD_TIMEDRWLOCK_INIT { GLWTHREAD_INITGUARD_INIT } + +#ifdef __cplusplus +extern "C" { +#endif + +extern void glwthread_timedrwlock_init (glwthread_timedrwlock_t *lock); +extern int glwthread_timedrwlock_rdlock (glwthread_timedrwlock_t *lock); +extern int glwthread_timedrwlock_wrlock (glwthread_timedrwlock_t *lock); +extern int glwthread_timedrwlock_tryrdlock (glwthread_timedrwlock_t *lock); +extern int glwthread_timedrwlock_trywrlock (glwthread_timedrwlock_t *lock); +extern int glwthread_timedrwlock_timedrdlock (glwthread_timedrwlock_t *lock, + const struct timespec *abstime); +extern int glwthread_timedrwlock_timedwrlock (glwthread_timedrwlock_t *lock, + const struct timespec *abstime); +extern int glwthread_timedrwlock_unlock (glwthread_timedrwlock_t *lock); +extern int glwthread_timedrwlock_destroy (glwthread_timedrwlock_t *lock); + +#ifdef __cplusplus +} +#endif + +#endif /* _WINDOWS_TIMEDRWLOCK_H */ |