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view m4/sig_atomic_t.m4 @ 39246:ef22bb0a9591

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lock: Fix test-once1 crash on FreeBSD11. * lib/glthread/lock.h: On FreeBSD, test the weak value of the symbol 'pthread_create', not 'pthread_cancel'.
author Bruno Haible <bruno@clisp.org>
date Sat, 17 Feb 2018 10:23:35 +0100
parents 24e347e0e326
children b06060465f09
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# sig_atomic_t.m4 serial 3
dnl Copyright (C) 2003, 2009-2018 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>])
])