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Fix at least one of the things wrong with signals

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^Z should work a lot better now.

Submitted by:	peter@freebsd.org
This commit is contained in:
Julian Elischer 2002-07-06 02:45:11 +00:00
parent a83560d677
commit 55fb7ca894
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99480
1 changed files with 9 additions and 6 deletions
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15
sys/kern/kern_synch.c
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@ -536,9 +536,11 @@ msleep(ident, mtx, priority, wmesg, timo)
mtx_unlock_spin(&sched_lock);
PROC_LOCK(p);
sig = cursig(td);
if (thread_suspend_check(1)) {
sig = EINTR;
rval = EINTR;
if (sig == 0) {
if (thread_suspend_check(1)) {
sig = SIGSTOP;
rval = ERESTART;
}
}
mtx_lock_spin(&sched_lock);
PROC_UNLOCK(p);
@ -547,8 +549,9 @@ msleep(ident, mtx, priority, wmesg, timo)
unsleep(td);
} else if (td->td_wchan == NULL)
catch = 0;
} else
} else {
sig = 0;
}
if (td->td_wchan != NULL) {
p->p_stats->p_ru.ru_nvcsw++;
td->td_state = TDS_SLP;
@ -562,9 +565,9 @@ msleep(ident, mtx, priority, wmesg, timo)
td->td_flags &= ~TDF_TIMEOUT;
if (sig == 0)
rval = EWOULDBLOCK;
} else if (td->td_flags & TDF_TIMOFAIL)
} else if (td->td_flags & TDF_TIMOFAIL) {
td->td_flags &= ~TDF_TIMOFAIL;
else if (timo && callout_stop(&td->td_slpcallout) == 0) {
} else if (timo && callout_stop(&td->td_slpcallout) == 0) {
/*
* This isn't supposed to be pretty. If we are here, then
* the endtsleep() callout is currently executing on another