1 files changed, 76 insertions, 0 deletions
diff --git a/tests/windows-timedrwlock.h b/tests/windows-timedrwlock.h
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+++ b/tests/windows-timedrwlock.h
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+/* 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 */