[6.0] 37b6567bc Decrease sleep time when waiting for child to die.

[Reza Naghibi]

commit 37b6567bc01adedc0bd1b5cf70070e4bf32c6f08
Author: Simon <simon at devsn.se>
Date:   Tue Apr 6 13:13:28 2021 +0000

    Decrease sleep time when waiting for child to die.

diff --git a/bin/varnishd/mgt/mgt_child.c b/bin/varnishd/mgt/mgt_child.c
index bc5c00ec2..c152ff9f1 100644
--- a/bin/varnishd/mgt/mgt_child.c
+++ b/bin/varnishd/mgt/mgt_child.c
@@ -511,11 +511,11 @@ mgt_reap_child(void)
 	XXXAN(vsb);
 
 	/* Wait for child to die */
-	for (i = 0; i < mgt_param.cli_timeout; i++) {
+	for (i = 0; i < mgt_param.cli_timeout * 10; i++) {
 		r = waitpid(child_pid, &status, WNOHANG);
 		if (r == child_pid)
 			break;
-		(void)sleep(1);
+		(void)usleep(100000);
 	}
 	if (r == 0) {
 		VSB_printf(vsb, "Child (%jd) not dying, killing", (intmax_t)r);