Test for sig_atomic_t. Part of modules 'fatal-signal' and 'wait-process'.

diff --git a/m4/sig_atomic_t.m4 b/m4/sig_atomic_t.m4
new file mode 100644 (file)
index 0000000..b893635
--- /dev/null
+++ b/m4/sig_atomic_t.m4
@@ -0,0 +1,16 @@
+# sig_atomic_t.m4 serial 1 (gettext-0.12.2)
+dnl Copyright (C) 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gt_TYPE_SIG_ATOMIC_T],
+[
+  AC_CHECK_TYPES(sig_atomic_t, ,
+    [AC_DEFINE(sig_atomic_t, int,
+       [Define as an integer type suitable for memory locations that can be
+        accessed atomically even in the presence of asynchnonous signals.])],
+    [#include <signal.h>])
+])