diff options
Diffstat (limited to 'sys/fs/procfs/procfs_ctl.c')
-rw-r--r-- | sys/fs/procfs/procfs_ctl.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/fs/procfs/procfs_ctl.c b/sys/fs/procfs/procfs_ctl.c index 15ed718..88ce6dd 100644 --- a/sys/fs/procfs/procfs_ctl.c +++ b/sys/fs/procfs/procfs_ctl.c @@ -144,7 +144,9 @@ procfs_control(struct thread *td, struct proc *p, int op) * Stop the target. */ p->p_flag |= P_TRACED; + mtx_lock_spin(&sched_lock); faultin(p); + mtx_unlock_spin(&sched_lock); p->p_xstat = 0; /* XXX ? */ if (p->p_pptr != td->td_proc) { p->p_oppid = p->p_pptr->p_pid; |