diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_rwlock.c | 8 | ||||
| -rw-r--r-- | sys/kern/tty_pty.c | 6 |
2 files changed, 8 insertions, 6 deletions
diff --git a/sys/kern/kern_rwlock.c b/sys/kern/kern_rwlock.c index 994e1dd5e54..833d879d98c 100644 --- a/sys/kern/kern_rwlock.c +++ b/sys/kern/kern_rwlock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_rwlock.c,v 1.2 2003/11/18 18:12:14 tedu Exp $ */ +/* $OpenBSD: kern_rwlock.c,v 1.3 2004/07/21 12:10:20 art Exp $ */ /* * Copyright (c) 2002, 2003 Artur Grabowski <art@openbsd.org> * All rights reserved. @@ -49,8 +49,10 @@ rw_enter_read(struct rwlock *rwl) } void -rw_enter_write(struct rwlock *rwl, struct proc *p) +rw_enter_write(struct rwlock *rwl) { + struct proc *p = curproc; + while (__predict_false(rwl->rwl_owner != 0)) { /* * Not the simple case, go to slow path. @@ -208,7 +210,7 @@ rwlock_testp3(void *a) printf("rwlock test3 start\n"); tsleep(&local, PWAIT, "rw3", 2); printf("rwlock test3 exited waiting\n"); - rw_enter_write(&rw_test, curproc); + rw_enter_write(&rw_test); printf("rwlock test3 obtained\n"); tsleep(&local, PWAIT, "rw3/2", 4); rw_exit_write(&rw_test); diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c index 3581bf1d5c8..4cd585841c4 100644 --- a/sys/kern/tty_pty.c +++ b/sys/kern/tty_pty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty_pty.c,v 1.23 2004/07/09 08:55:41 niklas Exp $ */ +/* $OpenBSD: tty_pty.c,v 1.24 2004/07/21 12:10:20 art Exp $ */ /* $NetBSD: tty_pty.c,v 1.33.4.1 1996/06/02 09:08:11 mrg Exp $ */ /* @@ -167,7 +167,7 @@ check_pty(int minor) { struct pt_softc *pti; - rw_enter_write(&pt_softc_lock, curproc); + rw_enter_write(&pt_softc_lock); if (minor >= npty) { struct pt_softc **newpt; int newnpty; @@ -975,7 +975,7 @@ sysctl_pty(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, err = sysctl_int(oldp, oldlenp, newp, newlen, &newmax); if (err) return (err); - rw_enter_write(&pt_softc_lock, curproc); + rw_enter_write(&pt_softc_lock); /* * We can't set the max lower than the current * active value or to a value bigger than a dev_t minor |