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fix : 100% CPU problem of Tk.mainloop

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagai 2003-06-09 18:09:11 +00:00
parent 1a28365c0a
commit ca02190d88
1 changed files with 27 additions and 6 deletions
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33
ext/tcltklib/tcltklib.c
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@ -69,16 +69,21 @@ Tcl_Interp *current_interp;
* 'timer_tick' is a limit of one term of thread scheduling.
* If 'timer_tick' == 0, then not use the timer for thread scheduling.
*/
#define DEFAULT_EVENT_LOOP_MAX 800/*counts*/
#define DEFAULT_NO_EVENT_TICK 10/*counts*/
#define DEFAULT_TIMER_TICK 0/*milliseconds*/
#define DEFAULT_INTERRUPT_TIME 200/*milliseconds*/
#define DEFAULT_EVENT_LOOP_MAX 800/*counts*/
#define DEFAULT_NO_EVENT_TICK 10/*counts*/
#define DEFAULT_NO_EVENT_WAIT 20/*milliseconds ( 1 -- 999 ) */
#define WATCHDOG_INTERVAL 10/*milliseconds ( 1 -- 999 ) */
#define DEFAULT_TIMER_TICK 0/*milliseconds*/
#define NO_THREAD_INTERRUPT_TIME 200/*milliseconds*/
static int event_loop_max = DEFAULT_EVENT_LOOP_MAX;
static int no_event_tick = DEFAULT_NO_EVENT_TICK;
static int no_event_wait = DEFAULT_NO_EVENT_WAIT;
static int timer_tick = DEFAULT_TIMER_TICK;
static int req_timer_tick = DEFAULT_TIMER_TICK;
static int run_timer_flag = 0;
#if TCL_MAJOR_VERSION >= 8
static int ip_ruby _((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST*));
#else
@ -180,6 +185,10 @@ lib_mainloop_core(check_root_widget)
VALUE current = eventloop_thread;
int check = (check_root_widget == Qtrue);
int tick_counter;
struct timeval t;
t.tv_sec = (time_t)0;
t.tv_usec = (time_t)(no_event_wait*1000.0);
Tk_DeleteTimerHandler(timer_token);
run_timer_flag = 0;
@ -194,7 +203,7 @@ lib_mainloop_core(check_root_widget)
if (rb_thread_alone()) {
DUMP1("no other thread");
if (timer_tick == 0) {
timer_tick = DEFAULT_INTERRUPT_TIME;
timer_tick = NO_THREAD_INTERRUPT_TIME;
timer_token = Tk_CreateTimerHandler(timer_tick, _timer_for_tcl,
(ClientData)0);
}
@ -219,6 +228,13 @@ lib_mainloop_core(check_root_widget)
tick_counter++;
} else {
tick_counter += no_event_tick;
DUMP1("check Root Widget");
if (check && Tk_GetNumMainWindows() == 0) {
return Qnil;
}
rb_thread_wait_for(t);
}
if (watchdog_thread != 0 && eventloop_thread != current) {
@ -303,6 +319,10 @@ lib_watchdog_core(check_rootwidget)
VALUE evloop;
int check = (check_rootwidget == Qtrue);
ID stop = rb_intern("stop?");
struct timeval t;
t.tv_sec = (time_t)0;
t.tv_usec = (time_t)((WATCHDOG_INTERVAL)*1000.0);
/* check other watchdog thread */
if (watchdog_thread != 0) {
@ -325,7 +345,8 @@ lib_watchdog_core(check_rootwidget)
DUMP2("create new eventloop thread %lx", evloop);
rb_thread_run(evloop);
} else {
rb_thread_schedule();
rb_thread_wait_for(t);
/* rb_thread_schedule(); */
}
} while(!check || Tk_GetNumMainWindows() != 0);