From a860245c4dfe807f51c761b1fc0b75212edaa011 Mon Sep 17 00:00:00 2001
From: Michael Adam <obnox@samba.org>
Date: Wed, 23 Mar 2016 02:36:04 +0100
Subject: [PATCH] tdb:torture: fix -O3 error unused result code of read

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>
---
 lib/tdb/tools/tdbtorture.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/tdb/tools/tdbtorture.c b/lib/tdb/tools/tdbtorture.c
index e4b8f6991a70..331a459ddbb1 100644
--- a/lib/tdb/tools/tdbtorture.c
+++ b/lib/tdb/tools/tdbtorture.c
@@ -427,8 +427,12 @@ int main(int argc, char * const *argv)
 			    || WTERMSIG(status) == SIGUSR1) {
 				/* SIGUSR2 means they wrote to pipe. */
 				if (WTERMSIG(status) == SIGUSR2) {
-					read(pfds[0], &done[j],
-					     sizeof(done[j]));
+					ssize_t ret;
+
+					do {
+						ret = read(pfds[0], &done[j],
+							   sizeof(done[j]));
+					} while (ret == -1 && errno == EINTR);
 				}
 				pids[j] = fork();
 				if (pids[j] == 0)
-- 
2.34.1