| # sig_atomic_t.m4 serial 3 |
| dnl Copyright (C) 2003, 2009-2019 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. |
| |
| 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 asynchronous signals.])], |
| [#include <signal.h>]) |
| ]) |
