1 files changed, 58 insertions, 0 deletions
diff --git a/desiredata/portmidi_osx/ptdarwin.c b/desiredata/portmidi_osx/ptdarwin.c
new file mode 100644
index 00000000..de71d03b
--- /dev/null
+++ b/desiredata/portmidi_osx/ptdarwin.c
@@ -0,0 +1,58 @@
+/*
+ * Portable timer implementation for Darwin / MacOS X
+ *
+ * Jon Parise <jparise@cmu.edu>
+ *
+ * $Id: ptdarwin.c,v 1.9.2.2 2005-07-12 15:53:50 timblech Exp $
+ */
+
+#include <stdio.h>
+#include <sys/time.h>
+#include "porttime.h"
+
+#define TRUE 1
+#define FALSE 0
+
+static int time_started_flag = FALSE;
+static struct timeval time_offset;
+
+PtError Pt_Start(int resolution, PtCallback *callback, void *userData)
+{
+    struct timezone tz;
+
+    if (callback) printf("error in porttime: callbacks not implemented\n");
+    time_started_flag = TRUE;
+    gettimeofday(&time_offset, &tz);
+
+    return ptNoError;
+}
+
+
+PtError Pt_Stop(void) // xjs added void
+{
+    time_started_flag = FALSE;
+    return ptNoError;
+}
+
+
+int Pt_Started(void) // xjs added void
+{
+    return time_started_flag;
+}
+
+
+PtTimestamp Pt_Time(void *time_info) // xjs added void *time_info
+{
+    long seconds, milliseconds;
+    struct timeval now;
+    struct timezone tz;
+
+    gettimeofday(&now, &tz);
+    seconds = now.tv_sec - time_offset.tv_sec;
+    milliseconds = (now.tv_usec - time_offset.tv_usec) / 1000;
+
+    return (seconds * 1000 + milliseconds);
+}
+
+
+