From de1de4055123e95fd9dc1b7e40c69a760777079d Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Sun, 10 Nov 2019 21:12:39 +0100
Subject: [PATCH] Log received signals (using strsignal(3), when available)

---
 configure.ng             | 1 +
 contrib/MacOSX/config.h  | 2 ++
 src/ngircd/sighandlers.c | 8 ++++++++
 3 files changed, 11 insertions(+)

diff --git a/configure.ng b/configure.ng
index 367c2f0c..a3855dbe 100644
--- a/configure.ng
+++ b/configure.ng
@@ -265,6 +265,7 @@ AC_CHECK_FUNCS_ONCE([
 	strlcat \
 	strlcpy \
 	strndup \
+	strsignal \
 	strtok_r \
 	unsetenv \
 	vsnprintf \
diff --git a/contrib/MacOSX/config.h b/contrib/MacOSX/config.h
index 761a68e1..60bb630f 100644
--- a/contrib/MacOSX/config.h
+++ b/contrib/MacOSX/config.h
@@ -113,6 +113,8 @@
 #define HAVE_SIGACTION 1
 /* Define to 1 if you have the `setsid' function. */
 #define HAVE_SETSID 1
+/* Define to 1 if you have the `strsignal' function. */
+#define HAVE_STRSIGNAL 1
 
 /* Define if socklen_t exists */
 #define HAVE_socklen_t 1
diff --git a/src/ngircd/sighandlers.c b/src/ngircd/sighandlers.c
index 6244846f..f7ae4f45 100644
--- a/src/ngircd/sighandlers.c
+++ b/src/ngircd/sighandlers.c
@@ -154,6 +154,14 @@ Rehash(void)
 static void
 Signal_Handler(int Signal)
 {
+	if (Signal != SIGCHLD) {
+#ifdef HAVE_STRSIGNAL
+		Log(LOG_INFO, "Got signal \"%s\" ...", strsignal(Signal));
+#else
+		Log(LOG_INFO, "Got signal %d ...", Signal);
+#endif
+	}
+
 	switch (Signal) {
 	case SIGTERM:
 	case SIGINT: