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-rw-r--r--src/osd/modules/sync/sync_mini.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/src/osd/modules/sync/sync_mini.c b/src/osd/modules/sync/sync_mini.c
new file mode 100644
index 00000000000..8f10cbaa65b
--- /dev/null
+++ b/src/osd/modules/sync/sync_mini.c
@@ -0,0 +1,171 @@
+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+//============================================================
+//
+// sdlsync_mini.c - Minimal core synchronization functions
+//
+//============================================================
+
+#include "osdcore.h"
+#include "osdsync.h"
+
+struct _osd_event
+{
+ void * ptr;
+};
+
+struct _osd_thread {
+ void * ptr;
+};
+
+
+//============================================================
+// 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
+}
+
+
+//============================================================
+// osd_event_alloc
+//============================================================
+
+osd_event *osd_event_alloc(int manualreset, int initialstate)
+{
+ return NULL;
+}
+
+
+//============================================================
+// osd_event_free
+//============================================================
+
+void osd_event_free(osd_event *event)
+{
+}
+
+
+//============================================================
+// osd_event_set
+//============================================================
+
+void osd_event_set(osd_event *event)
+{
+}
+
+
+//============================================================
+// osd_event_reset
+//============================================================
+
+void osd_event_reset(osd_event *event)
+{
+}
+
+
+//============================================================
+// osd_event_wait
+//============================================================
+
+int osd_event_wait(osd_event *event, osd_ticks_t timeout)
+{
+ return TRUE;
+}
+
+
+//============================================================
+// osd_thread_create
+//============================================================
+
+osd_thread *osd_thread_create(osd_thread_callback callback, void *cbparam)
+{
+ return NULL;
+}
+
+
+//============================================================
+// osd_thread_adjust_priority
+//============================================================
+
+int osd_thread_adjust_priority(osd_thread *thread, int adjust)
+{
+ return FALSE;
+}
+
+
+//============================================================
+// osd_thread_cpu_affinity
+//============================================================
+
+int osd_thread_cpu_affinity(osd_thread *thread, UINT32 mask)
+{
+ return TRUE;
+}
+
+
+//============================================================
+// osd_thread_wait_free
+//============================================================
+
+void osd_thread_wait_free(osd_thread *thread)
+{
+}
+
+
+//============================================================
+// osd_process_kill
+//============================================================
+
+void osd_process_kill(void)
+{
+}