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Bugzilla bug #30746: the primordial thread should wait for the timer

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manager thread to start only if the timer manager thread is a local
thread, otherwise in native-threads-only mode, if NSPR is initialized
by a DLL, the primordial thread may be hung in PR_WaitCondVar because
the (native) timer manager thread does not get to run until the DLL is
initialized.
This commit is contained in:
wtc%netscape.com 2000-09-01 18:26:28 +00:00
parent 48555aed0d
commit 44a8b535aa
1 changed files with 13 additions and 6 deletions
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19
nsprpub/pr/src/io/prmwait.c
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@ -90,7 +90,9 @@ static void TimerManager(void *arg)
PR_Lock(tm_vars.ml);
/* tell the primordial thread that we have started */
tm_vars.manager_started = PR_TRUE;
PR_NotifyCondVar(tm_vars.cancel_timer);
if (!_native_threads_only) {
PR_NotifyCondVar(tm_vars.cancel_timer);
}
while (1)
{
if (PR_CLIST_IS_EMPTY(&tm_vars.timer_queue))
@ -214,11 +216,16 @@ static PRStatus TimerInit(void)
{
goto failed;
}
/* wait until the timer manager thread starts */
PR_Lock(tm_vars.ml);
while (!tm_vars.manager_started)
PR_WaitCondVar(tm_vars.cancel_timer, PR_INTERVAL_NO_TIMEOUT);
PR_Unlock(tm_vars.ml);
/*
* Need to wait until the timer manager thread starts
* if the timer manager thread is a local thread.
*/
if (!_native_threads_only) {
PR_Lock(tm_vars.ml);
while (!tm_vars.manager_started)
PR_WaitCondVar(tm_vars.cancel_timer, PR_INTERVAL_NO_TIMEOUT);
PR_Unlock(tm_vars.ml);
}
return PR_SUCCESS;
failed: