84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/* Provide a non-threads replacement for the POSIX raise function.
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Copyright (C) 2002-2003, 2005-2006, 2009-2022 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* written by Jim Meyering and Bruno Haible */
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#include <config.h>
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/* Specification. */
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#include <signal.h>
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#if HAVE_RAISE
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/* Native Windows platform. */
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# include <errno.h>
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# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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# include "msvc-inval.h"
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# endif
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# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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/* Forward declaration. */
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static int raise_nothrow (int sig);
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# else
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# define raise_nothrow raise
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# endif
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#else
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/* An old Unix platform. */
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# include <unistd.h>
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#endif
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int
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raise (int sig)
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#undef raise
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{
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#if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE
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if (sig == SIGPIPE)
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return _gl_raise_SIGPIPE ();
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#endif
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#if HAVE_RAISE
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return raise_nothrow (sig);
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#else
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return kill (getpid (), sig);
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#endif
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}
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#if HAVE_RAISE && HAVE_MSVC_INVALID_PARAMETER_HANDLER
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static int
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raise_nothrow (int sig)
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{
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int result;
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TRY_MSVC_INVAL
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{
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result = raise (sig);
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}
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CATCH_MSVC_INVAL
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{
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result = -1;
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errno = EINVAL;
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}
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DONE_MSVC_INVAL;
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return result;
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}
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#endif
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