diff options
| -rw-r--r-- | sys/kern/kern_kthread.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/kern/kern_kthread.c b/sys/kern/kern_kthread.c index d8bbebd..969c513 100644 --- a/sys/kern/kern_kthread.c +++ b/sys/kern/kern_kthread.c @@ -257,18 +257,17 @@ kthread_add(void (*func)(void *), void *arg, struct proc *p, panic("kthread_add called too soon"); /* If no process supplied, put it on proc0 */ - if (p == NULL) { + if (p == NULL) p = &proc0; - oldtd = &thread0; - } else { - oldtd = FIRST_THREAD_IN_PROC(p); - } /* Initialize our new td */ newtd = thread_alloc(pages); if (newtd == NULL) return (ENOMEM); + PROC_LOCK(p); + oldtd = FIRST_THREAD_IN_PROC(p); + bzero(&newtd->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); bcopy(&oldtd->td_startcopy, &newtd->td_startcopy, @@ -292,7 +291,6 @@ kthread_add(void (*func)(void *), void *arg, struct proc *p, newtd->td_ucred = crhold(p->p_ucred); /* this code almost the same as create_thread() in kern_thr.c */ - PROC_LOCK(p); p->p_flag |= P_HADTHREADS; thread_link(newtd, p); thread_lock(oldtd); |
