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Use scheduler API sched_relinquish() to implement yield() syscall.

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This commit is contained in:
David Xu 2006-06-15 06:41:57 +00:00
parent 36ec198bd5
commit 7bb561fbb9
1 changed files with 2 additions and 8 deletions
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10
sys/kern/kern_synch.c
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@ -542,14 +542,8 @@ synch_setup(dummy)
int
yield(struct thread *td, struct yield_args *uap)
{
struct ksegrp *kg;
kg = td->td_ksegrp;
mtx_assert(&Giant, MA_NOTOWNED);
mtx_lock_spin(&sched_lock);
sched_prio(td, PRI_MAX_TIMESHARE);
mi_switch(SW_VOL, NULL);
mtx_unlock_spin(&sched_lock);
td->td_retval[0] = 0;
(void)uap;
sched_relinquish(td);
return (0);
}