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-rw-r--r--3rdparty/portmidi/porttime/pthaiku.cpp88
1 files changed, 88 insertions, 0 deletions
diff --git a/3rdparty/portmidi/porttime/pthaiku.cpp b/3rdparty/portmidi/porttime/pthaiku.cpp
new file mode 100644
index 00000000000..9d8de14fd3d
--- /dev/null
+++ b/3rdparty/portmidi/porttime/pthaiku.cpp
@@ -0,0 +1,88 @@
+// pthaiku.cpp - portable timer implementation for Haiku
+
+#include "porttime.h"
+#include <Looper.h>
+#include <MessageRunner.h>
+#include <OS.h>
+
+namespace {
+ const uint32 timerMessage = 'PTTM';
+
+ struct TimerLooper : BLooper {
+ TimerLooper() : BLooper() {
+ }
+
+
+ virtual void MessageReceived(BMessage *message)
+ {
+ PtCallback *callback;
+ void *userData;
+ if (message->what == timerMessage && message->FindPointer("callback", (void**)&callback) == B_OK && message->FindPointer("userData", &userData) == B_OK) {
+ (*callback)(Pt_Time(), userData);
+ }
+ BLooper::MessageReceived(message);
+ }
+ };
+
+ bool time_started_flag = false;
+ bigtime_t time_offset;
+ TimerLooper *timerLooper;
+ BMessageRunner *timerRunner;
+}
+
+extern "C" {
+ PtError Pt_Start(int resolution, PtCallback *callback, void *userData)
+ {
+ if (time_started_flag) return ptAlreadyStarted;
+ time_offset = system_time();
+ if (callback) {
+ timerLooper = new TimerLooper;
+ timerLooper->Run();
+ BMessenger target(timerLooper);
+ BMessage message(timerMessage);
+ message.AddPointer("callback", (void*)callback);
+ message.AddPointer("userData", userData);
+ bigtime_t interval = resolution * 1000;
+ timerRunner = new BMessageRunner(target, &message, interval);
+ if(timerRunner->InitCheck() != B_OK) {
+ delete timerRunner;
+ timerRunner = NULL;
+ timerLooper->PostMessage(B_QUIT_REQUESTED);
+ timerLooper = NULL;
+ return ptHostError;
+ }
+ }
+ time_started_flag = true;
+ return ptNoError;
+ }
+
+
+ PtError Pt_Stop()
+ {
+ if (!time_started_flag) return ptAlreadyStopped;
+ time_started_flag = false;
+ delete timerRunner;
+ timerRunner = NULL;
+ timerLooper->PostMessage(B_QUIT_REQUESTED);
+ timerLooper = NULL;
+ return ptNoError;
+ }
+
+
+ int Pt_Started()
+ {
+ return time_started_flag;
+ }
+
+
+ PtTimestamp Pt_Time()
+ {
+ return (system_time() - time_offset) / 1000;
+ }
+
+
+ void Pt_Sleep(int32_t duration)
+ {
+ snooze(duration * 1000);
+ }
+}