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-rw-r--r--src/osd/osdmini/minisync.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/osd/osdmini/minisync.cpp b/src/osd/osdmini/minisync.cpp
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+++ b/src/osd/osdmini/minisync.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+//============================================================
+//
+// minisync.c - Minimal core synchronization functions
+//
+//============================================================
+
+#include "osdcore.h"
+
+
+//============================================================
+// osd_lock_alloc
+//============================================================
+
+osd_lock *osd_lock_alloc(void)
+{
+ // the minimal implementation does not support threading
+ // just return a dummy value here
+ return (osd_lock *)1;
+}
+
+
+//============================================================
+// osd_lock_acquire
+//============================================================
+
+void osd_lock_acquire(osd_lock *lock)
+{
+ // the minimal implementation does not support threading
+ // the acquire always "succeeds"
+}
+
+
+//============================================================
+// osd_lock_try
+//============================================================
+
+int osd_lock_try(osd_lock *lock)
+{
+ // the minimal implementation does not support threading
+ // the acquire always "succeeds"
+ return TRUE;
+}
+
+
+//============================================================
+// osd_lock_release
+//============================================================
+
+void osd_lock_release(osd_lock *lock)
+{
+ // the minimal implementation does not support threading
+ // do nothing here
+}
+
+
+//============================================================
+// osd_lock_free
+//============================================================
+
+void osd_lock_free(osd_lock *lock)
+{
+ // the minimal implementation does not support threading
+ // do nothing here
+}