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| author | jhb <jhb@FreeBSD.org> | 2000-11-29 20:17:15 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2000-11-29 20:17:15 +0000 |
| commit | e96d454c32822d27500af899182dbab0751db3a5 (patch) | |
| tree | dac796697adbaa20619c9cd007678625d15b9309 /sys/kern/subr_turnstile.c | |
| parent | e02d1f01f5629649bf4a94c353e80dac6b03e6e4 (diff) | |
| download | FreeBSD-src-e96d454c32822d27500af899182dbab0751db3a5.zip FreeBSD-src-e96d454c32822d27500af899182dbab0751db3a5.tar.gz | |
Set p_mtxname when blocking on a mutex and clear it when waking up.
Diffstat (limited to 'sys/kern/subr_turnstile.c')
| -rw-r--r-- | sys/kern/subr_turnstile.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/subr_turnstile.c b/sys/kern/subr_turnstile.c index a58311e..1e9c446 100644 --- a/sys/kern/subr_turnstile.c +++ b/sys/kern/subr_turnstile.c @@ -321,6 +321,7 @@ mtx_enter_hard(struct mtx *m, int type, int saveintr) } p->p_blocked = m; /* Who we're blocked on */ + p->p_mtxname = m->mtx_description; p->p_stat = SMTX; #if 0 propagate_priority(p); @@ -419,6 +420,7 @@ mtx_exit_hard(struct mtx *m, int type) CTR2(KTR_LOCK, "mtx_exit: 0x%p contested setrunqueue 0x%p", m, p1); p1->p_blocked = NULL; + p1->p_mtxname = NULL; p1->p_stat = SRUN; setrunqueue(p1); if ((type & MTX_NOSWITCH) == 0 && p1->p_priority < pri) { |
