From c9addba5cc770d2d231b34f6739f32c6be8690f1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:37:10 +0200 Subject: Adding upstream version 2.12.0. Signed-off-by: Daniel Baumann --- gl/m4/signalblocking.m4 | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 gl/m4/signalblocking.m4 (limited to 'gl/m4/signalblocking.m4') diff --git a/gl/m4/signalblocking.m4 b/gl/m4/signalblocking.m4 new file mode 100644 index 0000000..81cc91a --- /dev/null +++ b/gl/m4/signalblocking.m4 @@ -0,0 +1,23 @@ +# signalblocking.m4 serial 17 +dnl Copyright (C) 2001-2002, 2006-2023 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Determine available signal blocking primitives. Three different APIs exist: +# 1) POSIX: sigemptyset, sigaddset, sigprocmask +# 2) SYSV: sighold, sigrelse +# 3) BSD: sigblock, sigsetmask +# For simplicity, here we check only for the POSIX signal blocking. +AC_DEFUN([gl_SIGNALBLOCKING], +[ + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T]) + HAVE_POSIX_SIGNALBLOCKING=0 + if test "$gl_cv_type_sigset_t" = yes; then + AC_CHECK_FUNC([sigprocmask], [HAVE_POSIX_SIGNALBLOCKING=1]) + fi +]) + +# Prerequisites of lib/sigprocmask.c. +AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:]) -- cgit v1.2.3