diff options
Diffstat (limited to 'sys/kern/kern_mutex.c')
| -rw-r--r-- | sys/kern/kern_mutex.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/kern_mutex.c b/sys/kern/kern_mutex.c index 2388983..2fc79de 100644 --- a/sys/kern/kern_mutex.c +++ b/sys/kern/kern_mutex.c @@ -621,7 +621,9 @@ void _mtx_unlock_sleep(struct mtx *m, int opts, const char *file, int line) { struct turnstile *ts; +#ifndef PREEMPTION struct thread *td, *td1; +#endif if (mtx_recursed(m)) { if (--(m->mtx_recurse) == 0) @@ -646,8 +648,10 @@ _mtx_unlock_sleep(struct mtx *m, int opts, const char *file, int line) #else MPASS(ts != NULL); #endif +#ifndef PREEMPTION /* XXX */ td1 = turnstile_head(ts); +#endif #ifdef MUTEX_WAKE_ALL turnstile_broadcast(ts); _release_lock_quick(m); @@ -665,6 +669,7 @@ _mtx_unlock_sleep(struct mtx *m, int opts, const char *file, int line) #endif turnstile_unpend(ts); +#ifndef PREEMPTION /* * XXX: This is just a hack until preemption is done. However, * once preemption is done we need to either wrap the @@ -701,6 +706,7 @@ _mtx_unlock_sleep(struct mtx *m, int opts, const char *file, int line) m, (void *)m->mtx_lock); } mtx_unlock_spin(&sched_lock); +#endif return; } |
