diff options
| author | jhb <jhb@FreeBSD.org> | 2001-01-24 11:06:39 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2001-01-24 11:06:39 +0000 |
| commit | daef77c52d385b35fa60ce96930df20c3af9d0ab (patch) | |
| tree | 7cea75ae6f7335026fa1ed499f6416ad961ee49e /sys | |
| parent | bd862d8954b7c73febfa6c179a9d9930af7b2c7b (diff) | |
| download | FreeBSD-src-daef77c52d385b35fa60ce96930df20c3af9d0ab.zip FreeBSD-src-daef77c52d385b35fa60ce96930df20c3af9d0ab.tar.gz | |
- Add a mtx_assert() for sched_lock in calcru().
- Protect calcru() with sched_lock later on in the file when it is called.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/kern_resource.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c index e67ee79..e29c273 100644 --- a/sys/kern/kern_resource.c +++ b/sys/kern/kern_resource.c @@ -513,6 +513,7 @@ calcru(p, up, sp, ip) int s; struct timeval tv; + mtx_assert(&sched_lock, MA_OWNED); /* XXX: why spl-protect ? worst case is an off-by-one report */ s = splstatclock(); ut = p->p_uticks; @@ -609,7 +610,9 @@ getrusage(p, uap) case RUSAGE_SELF: rup = &p->p_stats->p_ru; + mtx_enter(&sched_lock, MTX_SPIN); calcru(p, &rup->ru_utime, &rup->ru_stime, NULL); + mtx_exit(&sched_lock, MTX_SPIN); break; case RUSAGE_CHILDREN: |
