diff options
Diffstat (limited to 'sys/compat/linux/linux_misc.c')
| -rw-r--r-- | sys/compat/linux/linux_misc.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index cb6c038..f6e6d96 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1871,6 +1871,78 @@ linux_prctl(struct thread *td, struct linux_prctl_args *args) return (error); } +int +linux_sched_setparam(struct thread *td, + struct linux_sched_setparam_args *uap) +{ + struct sched_param sched_param; + struct thread *tdt; + struct proc *p; + int error; + +#ifdef DEBUG + if (ldebug(sched_setparam)) + printf(ARGS(sched_setparam, "%d, *"), uap->pid); +#endif + + error = copyin(uap->param, &sched_param, sizeof(sched_param)); + if (error) + return (error); + + if (uap->pid == 0) { + tdt = td; + p = tdt->td_proc; + PROC_LOCK(p); + } else { + p = pfind(uap->pid); + if (p == NULL) + return (ESRCH); + /* + * XXX. Scheduling parameters are in fact per-thread + * attributes in Linux. Temporarily use the first + * thread in proc. The same for get_param(). + */ + tdt = FIRST_THREAD_IN_PROC(p); + } + + error = kern_sched_setparam(td, tdt, &sched_param); + PROC_UNLOCK(p); + return (error); +} + +int +linux_sched_getparam(struct thread *td, + struct linux_sched_getparam_args *uap) +{ + struct sched_param sched_param; + struct thread *tdt; + struct proc *p; + int error; + +#ifdef DEBUG + if (ldebug(sched_getparam)) + printf(ARGS(sched_getparam, "%d, *"), uap->pid); +#endif + + if (uap->pid == 0) { + tdt = td; + p = tdt->td_proc; + PROC_LOCK(p); + } else { + p = pfind(uap->pid); + if (p == NULL) + return (ESRCH); + tdt = FIRST_THREAD_IN_PROC(p); + } + + error = kern_sched_getparam(td, tdt, &sched_param); + PROC_UNLOCK(p); + if (error == 0) + error = copyout(&sched_param, uap->param, + sizeof(sched_param)); + return (error); +} + /* * Get affinity of a process. */ |
