From b06cd8c58e276a44fbe19f9ed5b1a7a74e5ca4e3 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 17 May 2016 13:27:44 +0200
Subject: [PATCH] uloop: retry waitpid on signal interrupt

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 uloop.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/uloop.c b/uloop.c
index 6ef7210..45f7c5d 100644
--- a/uloop.c
+++ b/uloop.c
@@ -311,6 +311,9 @@ static void uloop_handle_processes(void)
 
 	while (1) {
 		pid = waitpid(-1, &ret, WNOHANG);
+		if (pid < 0 && errno == EINTR)
+			continue;
+
 		if (pid <= 0)
 			return;