use sig_atomic_t for a signal-handler variable (Bug-ID 1678874)

1 files changed, 1 insertions, 1 deletions

diff --git a/dhcp6s.c b/dhcp6s.c
index ed0fd58..21e0a30 100644
--- a/dhcp6s.c
+++ b/dhcp6s.c
@@ -124,7 +124,7 @@ struct relayinfo {
 TAILQ_HEAD(relayinfolist, relayinfo);
 
 static int debug = 0;
-static u_long sig_flags = 0;
+static sig_atomic_t sig_flags = 0;
 #define SIGF_TERM 0x1
 
 const dhcp6_mode_t dhcp6_mode = DHCP6_MODE_SERVER;