From 0c5eb0562abec6f845f07c30b2ad2515900ec1e5 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 26 Jan 2016 22:34:46 +0100
Subject: nss: block various signals while running NSS lookups

Let's make sure our poll() calls don't get interrupted where they shouldn't (SIGALRM, ...), but allow them to be
interrupted where they should (SIGINT, ...).

Fixes #1965
---
 src/basic/nss-util.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/basic/nss-util.h')

diff --git a/src/basic/nss-util.h b/src/basic/nss-util.h
index cc30d93aad..4be0136da6 100644
--- a/src/basic/nss-util.h
+++ b/src/basic/nss-util.h
@@ -27,6 +27,8 @@
 #include <pwd.h>
 #include <resolv.h>
 
+#define NSS_SIGNALS_BLOCK SIGALRM,SIGVTALRM,SIGPIPE,SIGCHLD,SIGTSTP,SIGIO,SIGHUP,SIGUSR1,SIGUSR2,SIGPROF,SIGURG,SIGWINCH
+
 #define NSS_GETHOSTBYNAME_PROTOTYPES(module)            \
 enum nss_status _nss_##module##_gethostbyname4_r(       \
                 const char *name,                       \
-- 
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