>From signal(2)

  The behavior of signal() varies across UNIX versions, and has also var‐
  ied historically across different versions of Linux.   Avoid  its  use:
  use sigaction(2) instead.  See Portability below.

Replaced signal() with sigaction() in daemon.c child_handler()

Signed-off-by: Jeremiah Mahler <jmmah...@gmail.com>
 daemon.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/daemon.c b/daemon.c
index 78c4a1c..3c48dc0 100644
--- a/daemon.c
+++ b/daemon.c
@@ -791,12 +791,15 @@ static void handle(int incoming, struct sockaddr *addr, 
socklen_t addrlen)
 static void child_handler(int signo)
+       struct sigaction sa;
         * Otherwise empty handler because systemcalls will get interrupted
         * upon signal receipt
         * SysV needs the handler to be rearmed
-       signal(SIGCHLD, child_handler);
+       memset(&sa, 0, sizeof(sa));
+       sa.sa_handler = child_handler;
+       sigaction(SIGCHLD, &sa, 0);
 static int set_reuse_addr(int sockfd)

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