summaryrefslogtreecommitdiffstats
path: root/sys/i386/linux/linux_machdep.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/i386/linux/linux_machdep.c')
-rw-r--r--sys/i386/linux/linux_machdep.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/i386/linux/linux_machdep.c b/sys/i386/linux/linux_machdep.c
index 849170b..cef0124 100644
--- a/sys/i386/linux/linux_machdep.c
+++ b/sys/i386/linux/linux_machdep.c
@@ -532,6 +532,16 @@ linux_clone(struct thread *td, struct linux_clone_args *args)
td->td_retval[0] = p2->p_pid;
td->td_retval[1] = 0;
+
+ if (args->flags & CLONE_VFORK) {
+ /* wait for the children to exit, ie. emulate vfork */
+ PROC_LOCK(p2);
+ p2->p_flag |= P_PPWAIT;
+ while (p2->p_flag & P_PPWAIT)
+ msleep(td->td_proc, &p2->p_mtx, PWAIT, "ppwait", 0);
+ PROC_UNLOCK(p2);
+ }
+
return (0);
}
OpenPOWER on IntegriCloud