Stubs for new functions.

svn-id: r4933

2 files changed, 35 insertions, 0 deletions

diff --git a/backends/dc/dc.h b/backends/dc/dc.h
index 7bd15c9bbf..b4e2b0a6f8 100644
--- a/backends/dc/dc.h
+++ b/backends/dc/dc.h
@@ -1,3 +1,4 @@
+#include <common/system.h>
 #include <ronin/soundcommon.h>
 
 #define NUM_BUFFERS 4
@@ -67,6 +68,16 @@ class OSystem_Dreamcast : public OSystem {
   // Set a parameter
   uint32 property(int param, Property *value);
 
+  // Add a callback timer
+  virtual void set_timer(int timer, int (*callback)(int));
+
+  // Mutex handling
+  virtual void *create_mutex(void);
+  virtual void lock_mutex(void *mutex);
+  virtual void unlock_mutex(void *mutex);
+  virtual void delete_mutex(void *mutex);
+
+
   static OSystem *create();
 
 
diff --git a/backends/dc/dcmain.cpp b/backends/dc/dcmain.cpp
index 7217b59f7f..77a0afa236 100644
--- a/backends/dc/dcmain.cpp
+++ b/backends/dc/dcmain.cpp
@@ -144,6 +144,30 @@ void OSystem_Dreamcast::delay_msecs(uint msecs)
   get_msecs();
 }
 
+void OSystem_Dreamcast::set_timer(int timer, int (*callback)(int))
+{
+  warning("Setting a timer! (not supported.)\n");  
+}
+
+/* Mutex handling */
+void *OSystem_Dreamcast::create_mutex(void)
+{
+  return NULL;
+}
+
+void OSystem_Dreamcast::lock_mutex(void *mutex)
+{
+}
+ 
+void OSystem_Dreamcast::unlock_mutex(void *mutex)
+{
+}
+
+void OSystem_Dreamcast::delete_mutex(void *mutex)
+{
+}
+
+
 /*
 void waitForTimer(Scumm *s, int time)
 {