mirror of https://gitee.com/openkylin/wget.git
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
|
/* Provide a non-threads replacement for the POSIX raise function.
|
||
|
|
|
||
|
|
Copyright (C) 2002-2003, 2005-2006, 2009-2019 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
This program is free software: you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program 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 General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU 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
|