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Index: sys/kern/p1003_1b.c
===================================================================
--- sys/kern/p1003_1b.c
+++ sys/kern/p1003_1b.c
@@ -130,16 +130,29 @@
targettd = FIRST_THREAD_IN_PROC(targetp);
}
- e = p_cansched(td, targetp);
- if (e == 0) {
- e = ksched_setparam(ksched, targettd,
- (const struct sched_param *)&sched_param);
- }
+ e = kern_sched_setparam(td, targettd, &sched_param);
PROC_UNLOCK(targetp);
return (e);
}
int
+kern_sched_setparam(struct thread *td, struct thread *targettd,
+ struct sched_param *param)
+{
+ struct proc *targetp;
+ int error;
+
+ targetp = targettd->td_proc;
+ PROC_LOCK_ASSERT(targetp, MA_OWNED);
+
+ error = p_cansched(td, targetp);
+ if (error == 0)
+ error = ksched_setparam(ksched, targettd,
+ (const struct sched_param *)param);
+ return (error);
+}
+
+int
sys_sched_getparam(struct thread *td, struct sched_getparam_args *uap)
{
int e;
@@ -159,10 +172,7 @@
targettd = FIRST_THREAD_IN_PROC(targetp);
}
- e = p_cansee(td, targetp);
- if (e == 0) {
- e = ksched_getparam(ksched, targettd, &sched_param);
- }
+ e = kern_sched_getparam(td, targettd, &sched_param);
PROC_UNLOCK(targetp);
if (e == 0)
e = copyout(&sched_param, uap->param, sizeof(sched_param));
@@ -170,6 +180,22 @@
}
int
+kern_sched_getparam(struct thread *td, struct thread *targettd,
+ struct sched_param *param)
+{
+ struct proc *targetp;
+ int error;
+
+ targetp = targettd->td_proc;
+ PROC_LOCK_ASSERT(targetp, MA_OWNED);
+
+ error = p_cansee(td, targetp);
+ if (error == 0)
+ error = ksched_getparam(ksched, targettd, param);
+ return (error);
+}
+
+int
sys_sched_setscheduler(struct thread *td, struct sched_setscheduler_args *uap)
{
int e;
@@ -177,11 +203,6 @@
struct thread *targettd;
struct proc *targetp;
- /* Don't allow non root user to set a scheduler policy. */
- e = priv_check(td, PRIV_SCHED_SET);
- if (e)
- return (e);
-
e = copyin(uap->param, &sched_param, sizeof(sched_param));
if (e)
return (e);
@@ -197,16 +218,35 @@
targettd = FIRST_THREAD_IN_PROC(targetp);
}
- e = p_cansched(td, targetp);
- if (e == 0) {
- e = ksched_setscheduler(ksched, targettd,
- uap->policy, (const struct sched_param *)&sched_param);
- }
+ e = kern_sched_setscheduler(td, targettd, uap->policy,
+ &sched_param);
PROC_UNLOCK(targetp);
return (e);
}
int
+kern_sched_setscheduler(struct thread *td, struct thread *targettd,
+ int policy, struct sched_param *param)
+{
+ struct proc *targetp;
+ int error;
+
+ targetp = targettd->td_proc;
+ PROC_LOCK_ASSERT(targetp, MA_OWNED);
+
+ /* Don't allow non root user to set a scheduler policy. */
+ error = priv_check(td, PRIV_SCHED_SET);
+ if (error)
+ return (error);
+
+ error = p_cansched(td, targetp);
+ if (error == 0)
+ error = ksched_setscheduler(ksched, targettd, policy,
+ (const struct sched_param *)param);
+ return (error);
+}
+
+int
sys_sched_getscheduler(struct thread *td, struct sched_getscheduler_args *uap)
{
int e, policy;
@@ -224,17 +264,31 @@
targettd = FIRST_THREAD_IN_PROC(targetp);
}
- e = p_cansee(td, targetp);
- if (e == 0) {
- e = ksched_getscheduler(ksched, targettd, &policy);
- td->td_retval[0] = policy;
- }
+ e = kern_sched_getscheduler(td, targettd, &policy);
PROC_UNLOCK(targetp);
+ if (e == 0)
+ td->td_retval[0] = policy;
return (e);
}
int
+kern_sched_getscheduler(struct thread *td, struct thread *targettd,
+ int *policy)
+{
+ struct proc *targetp;
+ int error;
+
+ targetp = td->td_proc;
+ PROC_LOCK_ASSERT(targetp, MA_OWNED);
+
+ error = p_cansee(td, targetp);
+ if (error == 0)
+ error = ksched_getscheduler(ksched, targettd, policy);
+ return (error);
+}
+
+int
sys_sched_yield(struct thread *td, struct sched_yield_args *uap)
{
Index: sys/sys/syscallsubr.h
===================================================================
--- sys/sys/syscallsubr.h
+++ sys/sys/syscallsubr.h
@@ -55,6 +55,7 @@
struct sockaddr;
struct stat;
struct thr_param;
+struct sched_param;
struct __wrusage;
int kern___getcwd(struct thread *td, u_char *buf, enum uio_seg bufseg,
@@ -167,6 +168,14 @@
char *new, enum uio_seg pathseg);
int kern_rmdirat(struct thread *td, int fd, char *path,
enum uio_seg pathseg);
+int kern_sched_getparam(struct thread *td, struct thread *targettd,
+ struct sched_param *param);
+int kern_sched_getscheduler(struct thread *td, struct thread *targettd,
+ int *policy);
+int kern_sched_setparam(struct thread *td, struct thread *targettd,
+ struct sched_param *param);
+int kern_sched_setscheduler(struct thread *td, struct thread *targettd,
+ int policy, struct sched_param *param);
int kern_sched_rr_get_interval(struct thread *td, pid_t pid,
struct timespec *ts);
int kern_sched_rr_get_interval_td(struct thread *td, struct thread *targettd,

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