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| author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-12-03 20:50:11 +0100 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-12-03 20:50:11 +0100 |
| commit | 4cf52fc0bc3b80c0ef6c58c5db4413ebdafe661c (patch) | |
| tree | 676b26b024117cf656080a011e3d17b8fb6889af /gnulib-m4/signalblocking.m4 | |
| parent | 1ecbfbb92248e67b564f5b144c4671ccaa86ee2f (diff) | |
| parent | 44ff3127b1e57b703c2a73a24f7ab38e4aad8ae4 (diff) | |
Merge branch 'release/0.9.8-1'0.9.8-1
Diffstat (limited to 'gnulib-m4/signalblocking.m4')
| -rw-r--r-- | gnulib-m4/signalblocking.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gnulib-m4/signalblocking.m4 b/gnulib-m4/signalblocking.m4 new file mode 100644 index 00000000..26041b11 --- /dev/null +++ b/gnulib-m4/signalblocking.m4 @@ -0,0 +1,25 @@ +# signalblocking.m4 serial 14 +dnl Copyright (C) 2001-2002, 2006-2017 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], [:]) |