anna
/
ocarina
1
0
Fork 0
Code Issues 7 Pull Requests Releases Wiki Activity

ocarina: Don't always run the idle task 

I register the idle task when there are events in the idle queue and I
remove the idle task once those events have been processed.  This should
cut down on CPU usage when nothing is happening.
This commit is contained in:
Bryan Schumaker 2011-09-13 17:35:21 -04:00
parent 59fbd0c696
commit dfdb38be27
3 changed files with 17 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/ocarina/ocarina.h
View File

@ -2,5 +2,6 @@
#define OCARINA_H
void ocarina_quit();
void ocarina_idle_add();
#endif

8
ocarina/callback.cpp
View File

@ -1,6 +1,7 @@
#include <libsaria/callback.h>
#include <libsaria/print.h>
#include <ocarina/ocarina.h>
#include <ocarina/button.h>
void cb_play()
@ -17,6 +18,12 @@ void cb_pause()
show_button_list(PLAY_BUTTON_LIST);
}
void cb_idle_task_queued()
{
print("Ocarina IDLE_TASK_QUEUED callback!");
ocarina_idle_add();
}
static void add_callback(callback_t type, void (* func)())
{
register_callback(type, func);
@ -27,4 +34,5 @@ void setup_callbacks()
print("Ocarina setting up callbacks");
add_callback(PLAY, cb_play);
add_callback(PAUSE, cb_pause);
add_callback(IDLE_TASK_QUEUED, cb_idle_task_queued);
}

11
ocarina/ocarina.cpp
View File

@ -14,8 +14,14 @@
static gboolean ocarina_idle(gpointer data)
{
libsaria_idle_task();
return TRUE; /* Keep processing idle events */
if (libsaria_idle_task() == 0)
return FALSE; /* There are no idle events left */
return TRUE; /* Process remaining idle events */
}
void ocarina_idle_add()
{
g_idle_add(ocarina_idle, NULL);
}
void ocarina_init(int argc, char **argv)
@ -32,7 +38,6 @@ void ocarina_init(int argc, char **argv)
window_add(vbox);
settings_init();
g_idle_add(ocarina_idle, NULL);
}
void ocarina_quit()