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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:04:52 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:04:52 +0000 |
| commit | 5e03c718f4e7ff13cb6834eda737c269ebed02ad (patch) | |
| tree | bfad3f5be123f000fdb03e26400050dece33d72f /m4/signalblocking.m4 | |
| parent | Initial commit. (diff) | |
| download | wget-upstream.tar.xz wget-upstream.zip | |
Adding upstream version 1.21.3.upstream/1.21.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/signalblocking.m4')
| -rw-r--r-- | m4/signalblocking.m4 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/m4/signalblocking.m4 b/m4/signalblocking.m4 new file mode 100644 index 0000000..b586ef5 --- /dev/null +++ b/m4/signalblocking.m4 @@ -0,0 +1,23 @@ +# signalblocking.m4 serial 17 +dnl Copyright (C) 2001-2002, 2006-2022 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], [:]) |