llmnrd: Use SA_RESTART for installed signal handlers

Make certain syscalls restartable after signal handler.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 1 insertions, 0 deletions

diff --git a/llmnrd.c b/llmnrd.c
index e73f5f3..ab1a512 100644
--- a/llmnrd.c
+++ b/llmnrd.c
@@ -98,6 +98,7 @@ static void register_signal(int sig, void (*handler)(int))
 
 	saction.sa_handler = handler;
 	saction.sa_mask = block_mask;
+	saction.sa_flags = SA_RESTART;
 
 	if (sigaction(sig, &saction, NULL) != 0) {
 		log_err("Failed to register signal handler for %s (%d)\n",