From 7390e47db115ba7f7c91732d779b2318d03a19d2 Mon Sep 17 00:00:00 2001
From: Francesco Chemolli <5175948+kinkie@users.noreply.github.com>
Date: Thu, 13 Mar 2025 23:08:32 +0000
Subject: [PATCH] Maintenance: remove compat/psignal (#2022)

psignal(3) is not used anywhere in squid.
Remove the also-unused bundled implementation
---
 compat/Makefile.am |  1 -
 compat/psignal.c   | 30 ------------------------------
 compat/psignal.h   | 19 -------------------
 configure.ac       |  1 -
 4 files changed, 51 deletions(-)
 delete mode 100644 compat/psignal.c
 delete mode 100644 compat/psignal.h

diff --git a/compat/Makefile.am b/compat/Makefile.am
index 028e817d53..eeb856709a 100644
--- a/compat/Makefile.am
+++ b/compat/Makefile.am
@@ -62,7 +62,6 @@ libcompatsquid_la_SOURCES = \
 	os/solaris.h \
 	os/sunos.h \
 	osdetect.h \
-	psignal.h \
 	shm.cc \
 	shm.h \
 	statvfs.cc \
diff --git a/compat/psignal.c b/compat/psignal.c
deleted file mode 100644
index 0963906d5b..0000000000
--- a/compat/psignal.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
- *
- * Squid software is distributed under GPLv2+ license and includes
- * contributions from numerous individuals and organizations.
- * Please see the COPYING and CONTRIBUTORS files for details.
- */
-
-#include "squid.h"
-#include "psignal.h"
-
-#if _SQUID_AIX_ || _SQUID_ANDROID_ || _SQUID_MINGW_
-extern const char* const sys_siglist[];
-#define _sys_nsig 64
-#define _sys_siglist sys_siglist
-#endif
-
-/// purpose: print message, colon, space, signal name and LF.
-/// paramtr: sig (IN): signal number
-///          msg (IN): message to prepend
-void
-psignal( int sig, const char* msg )
-{
-    if ( msg && *msg ) fprintf( stderr, "%s: ", msg );
-    if ( sig > 0 && sig < _sys_nsig )
-        fprintf( stderr, "%s\n", _sys_siglist[sig] );
-    else
-        fputs( "(unknown)\n", stderr );
-}
-
diff --git a/compat/psignal.h b/compat/psignal.h
deleted file mode 100644
index 2976f4cca0..0000000000
--- a/compat/psignal.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
- *
- * Squid software is distributed under GPLv2+ license and includes
- * contributions from numerous individuals and organizations.
- * Please see the COPYING and CONTRIBUTORS files for details.
- */
-
-#ifndef SQUID_COMPAT_PSIGNAL_H
-#define SQUID_COMPAT_PSIGNAL_H
-
-#if HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-
-extern void psignal(int sig, const char* msg);
-
-#endif /* SQUID_COMPAT_PSIGNAL_H */
-
diff --git a/configure.ac b/configure.ac
index c63f92f3e9..cfba1e2a00 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2178,7 +2178,6 @@ AC_CHECK_FUNCS(\
 dnl ... and some we provide local replacements for
 AC_REPLACE_FUNCS(\
 	initgroups \
-	psignal \
 	strerror \
 	strtoll \
 	tempnam \
-- 
2.47.3