added new generic message queue module

1 files changed, 50 insertions, 0 deletions

diff --git a/handler.h b/handler.h
new file mode 100644
index 00000000..4b6b9d28
--- /dev/null
+++ b/handler.h
@@ -0,0 +1,50 @@
+/*
+  This file is part of Deadbeef Player source code
+  http://deadbeef.sourceforge.net
+
+  generic message queue implementation
+
+  Copyright (C) 2009-2012 Alexey Yakovenko
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  Alexey Yakovenko waker@users.sourceforge.net
+*/
+#ifndef __HANDLER_H
+#define __HANDLER_H
+
+#include <stdint.h>
+
+struct handler_s *
+handler_alloc (int queue_size);
+
+void
+handler_free (struct handler_s *h);
+
+int
+handler_push (struct handler_s *h, uint32_t id, uintptr_t ctx, uint32_t p1, uint32_t p2);
+
+int
+handler_pop (struct handler_s *h, uint32_t *id, uintptr_t *ctx, uint32_t *p1, uint32_t *p2);
+
+void
+handler_wait (struct handler_s *h);
+
+int
+handler_hasmessages (struct handler_s *h);
+
+#endif // __HANDLER_H