diff options
| author | jhb <jhb@FreeBSD.org> | 2001-03-07 03:02:56 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2001-03-07 03:02:56 +0000 |
| commit | 0bc406044c15e508f4feb23bd7fae164add2fce0 (patch) | |
| tree | 5ad0f14fc03f4e729faeefabdb57ae71e0a86e55 /sys/kern | |
| parent | 3ef36efa7c7b367391a82c794aa48793204772c1 (diff) | |
| download | FreeBSD-src-0bc406044c15e508f4feb23bd7fae164add2fce0.zip FreeBSD-src-0bc406044c15e508f4feb23bd7fae164add2fce0.tar.gz | |
Lock the process while sending it SIGARLM and updating p_realtimer.
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_time.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c index 93ab1dc..7ad9c17 100644 --- a/sys/kern/kern_time.c +++ b/sys/kern/kern_time.c @@ -547,9 +547,11 @@ realitexpire(arg) int s; p = (struct proc *)arg; + PROC_LOCK(p); psignal(p, SIGALRM); if (!timevalisset(&p->p_realtimer.it_interval)) { timevalclear(&p->p_realtimer.it_value); + PROC_UNLOCK(p); return; } for (;;) { @@ -563,10 +565,12 @@ realitexpire(arg) callout_reset(&p->p_itcallout, tvtohz(&ntv) - 1, realitexpire, p); splx(s); + PROC_UNLOCK(p); return; } splx(s); } + /*NOTREACHED*/ } /* |
