summaryrefslogtreecommitdiff
path: root/sys/kern/ksched.c
diff options
context:
space:
mode:
authorJohn Baldwin <jhb@FreeBSD.org>2001-02-22 13:46:09 +0000
committerJohn Baldwin <jhb@FreeBSD.org>2001-02-22 13:46:09 +0000
commit3a18729505432f5178a648a9ab43e20b2dc1a16d (patch)
tree0e24d9cdff2804e5b0ffe1d00f10d2a11394a574 /sys/kern/ksched.c
parentde0e830e6d75f9aa8cb894e4b89b7f5aad8ebe96 (diff)
Notes
Diffstat (limited to 'sys/kern/ksched.c')
-rw-r--r--sys/kern/ksched.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/kern/ksched.c b/sys/kern/ksched.c
index 27a0899b44a6..b729ccfb85af 100644
--- a/sys/kern/ksched.c
+++ b/sys/kern/ksched.c
@@ -38,9 +38,8 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
+#include <sys/mutex.h>
#include <sys/resource.h>
-#include <machine/cpu.h> /* For need_resched */
-#include <machine/ipl.h> /* For need_resched */
#include <posix4/posix4.h>
@@ -174,8 +173,10 @@ int ksched_setscheduler(register_t *ret, struct ksched *ksched,
rtp.type = (policy == SCHED_FIFO)
? RTP_PRIO_FIFO : RTP_PRIO_REALTIME;
+ mtx_lock_spin(&sched_lock);
rtp_to_pri(&rtp, &p->p_pri);
need_resched();
+ mtx_unlock_spin(&sched_lock);
}
else
e = EPERM;
@@ -187,6 +188,7 @@ int ksched_setscheduler(register_t *ret, struct ksched *ksched,
{
rtp.type = RTP_PRIO_NORMAL;
rtp.prio = p4prio_to_rtpprio(param->sched_priority);
+ mtx_lock_spin(&sched_lock);
rtp_to_pri(&rtp, &p->p_pri);
/* XXX Simply revert to whatever we had for last
@@ -196,6 +198,7 @@ int ksched_setscheduler(register_t *ret, struct ksched *ksched,
* scheduling info alone.
*/
need_resched();
+ mtx_unlock_spin(&sched_lock);
}
break;
}
@@ -212,7 +215,9 @@ int ksched_getscheduler(register_t *ret, struct ksched *ksched, struct proc *p)
*/
int ksched_yield(register_t *ret, struct ksched *ksched)
{
+ mtx_lock_spin(&sched_lock);
need_resched();
+ mtx_unlock_spin(&sched_lock);
return 0;
}