16 lines
635 B
Text
16 lines
635 B
Text
# sig_atomic_t.m4
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# serial 3
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dnl Copyright (C) 2003, 2009-2024 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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AC_DEFUN([gt_TYPE_SIG_ATOMIC_T],
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[
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AC_CHECK_TYPES([sig_atomic_t], ,
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[AC_DEFINE([sig_atomic_t], [int],
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[Define as an integer type suitable for memory locations that can be
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accessed atomically even in the presence of asynchronous signals.])],
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[#include <signal.h>])
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])
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