diff options
Diffstat (limited to 'm4/sig_atomic_t.m4')
| -rw-r--r-- | m4/sig_atomic_t.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/m4/sig_atomic_t.m4 b/m4/sig_atomic_t.m4 new file mode 100644 index 0000000..2e8c48d --- /dev/null +++ b/m4/sig_atomic_t.m4 @@ -0,0 +1,14 @@ +# sig_atomic_t.m4 serial 3 +dnl Copyright (C) 2003, 2009-2022 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. + +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>]) +]) |