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