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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:49:50 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:49:50 +0000 |
| commit | 74b60c5712f2a84904b95d008953c140a9bd5dd2 (patch) | |
| tree | dd12cc58c6d4cfb5e2c1183f47757295ce3b5662 /gl/m4/signalblocking.m4 | |
| parent | Initial commit. (diff) | |
| download | man-db-upstream.tar.xz man-db-upstream.zip | |
Adding upstream version 2.9.4.upstream/2.9.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | gl/m4/signalblocking.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gl/m4/signalblocking.m4 b/gl/m4/signalblocking.m4 new file mode 100644 index 0000000..74de534 --- /dev/null +++ b/gl/m4/signalblocking.m4 @@ -0,0 +1,25 @@ +# signalblocking.m4 serial 14 +dnl Copyright (C) 2001-2002, 2006-2020 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]) + if test $gl_cv_type_sigset_t = yes; then + AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1]) + fi + if test -z "$gl_cv_func_sigprocmask"; then + HAVE_POSIX_SIGNALBLOCKING=0 + fi +]) + +# Prerequisites of lib/sigprocmask.c. +AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:]) |