[hackers] [quark] Handle more signals, replace signal() with sigaction() || Quentin Rameau

[git]

commit 1c5f45c090f0204611862d68e4511b46c39b9618
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Mon Jul 24 00:51:26 2017 +0200
Commit:     Laslo Hunhold <d...@frign.de>
CommitDate: Mon Jul 24 16:49:24 2017 +0200

    Handle more signals, replace signal() with sigaction()

diff --git a/quark.c b/quark.c
index 5ca7d34..4821033 100644
--- a/quark.c
+++ b/quark.c
@@ -909,7 +909,16 @@ sigcleanup(int sig)
 static void
 handlesignals(void(*hdl)(int))
 {
-       signal(SIGINT, hdl);
+       struct sigaction sa;
+
+       memset(&sa, 0, sizeof(sa));
+       sigemptyset(&sa.sa_mask);
+       sa.sa_handler = hdl;
+
+       sigaction(SIGTERM, &sa, NULL);
+       sigaction(SIGHUP, &sa, NULL);
+       sigaction(SIGINT, &sa, NULL);
+       sigaction(SIGQUIT, &sa, NULL);
 }
 
 static int