diff options
Diffstat (limited to '3rdparty/portmidi/porttime/pthaiku.cpp')
-rw-r--r-- | 3rdparty/portmidi/porttime/pthaiku.cpp | 88 |
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); + } +} |