diff options
| author |   otto <otto@openbsd.org> | 2006-10-30 20:19:33 +0000 |
|---|---|---|
| committer | otto <otto@openbsd.org> | 2006-10-30 20:19:33 +0000 |
| commit | 17f73788f4b90223b05bd58e4618ff240d795f9c (patch) | |
| tree | 074f5ff8f822e71d589530dc11b1c4ea844e49c5 /sys/kern/kern_time.c | |
| parent | Fix dynamic tuning of the radio sensitivity I broke when moving from (diff) | |
| download | wireguard-openbsd-17f73788f4b90223b05bd58e4618ff240d795f9c.tar.xz wireguard-openbsd-17f73788f4b90223b05bd58e4618ff240d795f9c.zip | |
Timecounter based implementation of adjfreq(2). Largely from art@
Tested by various using not (yet) committed amd64 timecounter code.
ok deraadt@
Diffstat (limited to 'sys/kern/kern_time.c')
| -rw-r--r-- | sys/kern/kern_time.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c index 3f1e10b57dd..a0933e65577 100644 --- a/sys/kern/kern_time.c +++ b/sys/kern/kern_time.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_time.c,v 1.59 2006/06/29 19:52:47 kettenis Exp $ */ +/* $OpenBSD: kern_time.c,v 1.60 2006/10/30 20:19:33 otto Exp $ */ /* $NetBSD: kern_time.c,v 1.20 1996/02/18 11:57:06 fvdl Exp $ */ /* @@ -389,9 +389,17 @@ sys_adjfreq(struct proc *p, void *v, register_t *retval) } #else if (SCARG(uap, oldfreq)) { - f = 0; - if ((error = copyout((void *)&f, (void *)SCARG(uap, oldfreq), - sizeof(int64_t)))) + if ((error = tc_adjfreq(&f, NULL)) != 0) + return (error); + if ((error = copyout(&f, SCARG(uap, oldfreq), sizeof(f))) != 0) + return (error); + } + if (SCARG(uap, freq)) { + if ((error = suser(p, 0))) + return (error); + if ((error = copyin(SCARG(uap, freq), &f, sizeof(f))) != 0) + return (error); + if ((error = tc_adjfreq(NULL, &f)) != 0) return (error); } #endif |