From cefe021b6c190dc048e67b6f524e18a6829f08da Mon Sep 17 00:00:00 2001 From: David Xu Date: Thu, 4 Nov 2004 22:13:16 +0000 Subject: Don't forget to turn off P_SINGLE_BOUNDARY for thread_single(SINGLE_EXIT), otherwise a threaded process which calls execv() will hang in kernel and may can not be killed! --- sys/kern/kern_thread.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 21d7000eba4d5..fb97d9159eab7 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -880,7 +880,7 @@ thread_single(int mode) * process. */ p->p_singlethread = NULL; - p->p_flag &= ~(P_STOPPED_SINGLE | P_SINGLE_EXIT); + p->p_flag &= ~(P_STOPPED_SINGLE | P_SINGLE_EXIT | P_SINGLE_BOUNDARY); thread_unthread(td); } mtx_unlock_spin(&sched_lock); -- cgit v1.3