diff options
Diffstat (limited to 'sys/kern/kern_resource.c')
| -rw-r--r-- | sys/kern/kern_resource.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c index ec2d6b6..09c8603 100644 --- a/sys/kern/kern_resource.c +++ b/sys/kern/kern_resource.c @@ -295,25 +295,23 @@ rtprio_thread(struct thread *td, struct rtprio_thread_args *uap) else cierror = 0; - /* - * Though lwpid is unique, only current process is supported - * since there is no efficient way to look up a LWP yet. - */ - p = td->td_proc; - PROC_LOCK(p); + if (uap->lwpid == 0 || uap->lwpid == td->td_tid) { + p = td->td_proc; + td1 = td; + PROC_LOCK(p); + } else { + /* Only look up thread in current process */ + td1 = tdfind(uap->lwpid, curproc->p_pid); + if (td1 == NULL) + return (ESRCH); + p = td1->td_proc; + } switch (uap->function) { case RTP_LOOKUP: if ((error = p_cansee(td, p))) break; - if (uap->lwpid == 0 || uap->lwpid == td->td_tid) - td1 = td; - else - td1 = thread_find(p, uap->lwpid); - if (td1 != NULL) - pri_to_rtp(td1, &rtp); - else - error = ESRCH; + pri_to_rtp(td1, &rtp); PROC_UNLOCK(p); return (copyout(&rtp, uap->rtp, sizeof(struct rtprio))); case RTP_SET: @@ -337,15 +335,7 @@ rtprio_thread(struct thread *td, struct rtprio_thread_args *uap) if (error) break; } - - if (uap->lwpid == 0 || uap->lwpid == td->td_tid) - td1 = td; - else - td1 = thread_find(p, uap->lwpid); - if (td1 != NULL) - error = rtp_to_pri(&rtp, td1); - else - error = ESRCH; + error = rtp_to_pri(&rtp, td1); break; default: error = EINVAL; |
