add plibsys

1 files changed, 92 insertions, 0 deletions

diff --git a/3rdparty/plibsys/src/pmutex-win.c b/3rdparty/plibsys/src/pmutex-win.c
new file mode 100644
index 0000000..2a801b6
--- /dev/null
+++ b/3rdparty/plibsys/src/pmutex-win.c
@@ -0,0 +1,92 @@
+/*
+ * The MIT License
+ *
+ * Copyright (C) 2010-2016 Alexander Saprykin <saprykin.spb@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "pmem.h"
+#include "pmutex.h"
+
+#include <stdlib.h>
+
+typedef CRITICAL_SECTION mutex_hdl;
+
+struct PMutex_ {
+	mutex_hdl hdl;
+};
+
+P_LIB_API PMutex *
+p_mutex_new (void)
+{
+	PMutex *ret;
+
+	if (P_UNLIKELY ((ret = p_malloc0 (sizeof (PMutex))) == NULL)) {
+		P_ERROR ("PMutex::p_mutex_new: failed to allocate memory");
+		return NULL;
+	}
+
+	InitializeCriticalSection (&ret->hdl);
+
+	return ret;
+}
+
+P_LIB_API pboolean
+p_mutex_lock (PMutex *mutex)
+{
+	if (P_UNLIKELY (mutex == NULL))
+		return FALSE;
+
+	EnterCriticalSection (&mutex->hdl);
+
+	return TRUE;
+}
+
+P_LIB_API pboolean
+p_mutex_trylock (PMutex *mutex)
+{
+	if (P_UNLIKELY (mutex == NULL))
+		return FALSE;
+
+	return TryEnterCriticalSection (&mutex->hdl) != 0 ? TRUE : FALSE;
+}
+
+P_LIB_API pboolean
+p_mutex_unlock (PMutex *mutex)
+{
+	if (P_UNLIKELY (mutex == NULL))
+		return FALSE;
+
+	LeaveCriticalSection (&mutex->hdl);
+
+	return TRUE;
+}
+
+P_LIB_API void
+p_mutex_free (PMutex *mutex)
+{
+	if (P_UNLIKELY (mutex == NULL))
+		return;
+
+	DeleteCriticalSection (&mutex->hdl);
+
+	p_free (mutex);
+}