diff options
| author |   tedu <tedu@openbsd.org> | 2006-05-07 20:12:41 +0000 |
|---|---|---|
| committer | tedu <tedu@openbsd.org> | 2006-05-07 20:12:41 +0000 |
| commit | f1ef728de1b8bb44b16bab7f65edda92d59fa017 (patch) | |
| tree | 5ea7b69f6411147c8afec0ce11d1297c9c2fccab /sys/kern/kern_rwlock.c | |
| parent | remove drain hooks from pool. (diff) | |
| download | wireguard-openbsd-f1ef728de1b8bb44b16bab7f65edda92d59fa017.tar.xz wireguard-openbsd-f1ef728de1b8bb44b16bab7f65edda92d59fa017.zip | |
add a name to rwlock so that we can tell where procs are getting stuck
without breaking into ddb. doubles the size of rwlock [1], but moving
forward this really helps. ok/tested pedro fgsch millert krw
[1 - next person to add a field to this struct gets whipped with a wet noodle]
Diffstat (limited to 'sys/kern/kern_rwlock.c')
| -rw-r--r-- | sys/kern/kern_rwlock.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/kern/kern_rwlock.c b/sys/kern/kern_rwlock.c index 1a648aa831b..4c750a2f2f6 100644 --- a/sys/kern/kern_rwlock.c +++ b/sys/kern/kern_rwlock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_rwlock.c,v 1.6 2006/04/20 14:36:24 pedro Exp $ */ +/* $OpenBSD: kern_rwlock.c,v 1.7 2006/05/07 20:12:41 tedu Exp $ */ /* * Copyright (c) 2002, 2003 Artur Grabowski <art@openbsd.org> @@ -198,9 +198,10 @@ rw_exit_diag(struct rwlock *rwl, int owner) #endif void -rw_init(struct rwlock *rwl) +rw_init(struct rwlock *rwl, const char *name) { rwl->rwl_owner = 0; + rwl->rwl_name = name; } /* @@ -230,7 +231,7 @@ retry: rw_enter_diag(rwl, flags); - if ((error = tsleep(rwl, prio, "rwlock", 0)) != 0) + if ((error = tsleep(rwl, prio, rwl->rwl_name, 0)) != 0) return (error); if (flags & RW_SLEEPFAIL) return (EAGAIN); |