diff options
| author | phk <phk@FreeBSD.org> | 2002-02-18 08:40:28 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2002-02-18 08:40:28 +0000 |
| commit | e340a5652fafc42f89a43dcc2779106cf6ba7f67 (patch) | |
| tree | c26e2cb774e2bdb4221a328a4681f76868fcdb7d /sys/kern/kern_time.c | |
| parent | 68320d04d1ce77058a870d6070d61892172ef0ea (diff) | |
| download | FreeBSD-src-e340a5652fafc42f89a43dcc2779106cf6ba7f67.zip FreeBSD-src-e340a5652fafc42f89a43dcc2779106cf6ba7f67.tar.gz | |
Take the common case of gettimeofday(&tv, NULL) out from under Giant.
Diffstat (limited to 'sys/kern/kern_time.c')
| -rw-r--r-- | sys/kern/kern_time.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c index bca540f..f8c6aff 100644 --- a/sys/kern/kern_time.c +++ b/sys/kern/kern_time.c @@ -336,20 +336,16 @@ gettimeofday(td, uap) struct timeval atv; int error = 0; - mtx_lock(&Giant); if (uap->tp) { microtime(&atv); - if ((error = copyout((caddr_t)&atv, (caddr_t)uap->tp, - sizeof (atv)))) { - goto done2; - } + error = copyout((caddr_t)&atv, (caddr_t)uap->tp, sizeof (atv)); } - if (uap->tzp) { + if (error == 0 && uap->tzp != NULL) { + mtx_lock(&Giant); error = copyout((caddr_t)&tz, (caddr_t)uap->tzp, sizeof (tz)); + mtx_unlock(&Giant); } -done2: - mtx_unlock(&Giant); return (error); } |
