| 1 | /* Provide a non-threads replacement for the POSIX raise function. |
| 2 | |
| 3 | Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software: you can redistribute it and/or modify |
| 6 | it under the terms of the GNU Lesser General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | /* written by Jim Meyering and Bruno Haible */ |
| 19 | |
| 20 | #include <config.h> |
| 21 | |
| 22 | /* Specification. */ |
| 23 | #include <signal.h> |
| 24 | |
| 25 | #if HAVE_RAISE |
| 26 | /* Native Windows platform. */ |
| 27 | |
| 28 | # include <errno.h> |
| 29 | |
| 30 | # include "msvc-inval.h" |
| 31 | |
| 32 | # undef raise |
| 33 | |
| 34 | # if HAVE_MSVC_INVALID_PARAMETER_HANDLER |
| 35 | static inline int |
| 36 | raise_nothrow (int sig) |
| 37 | { |
| 38 | int result; |
| 39 | |
| 40 | TRY_MSVC_INVAL |
| 41 | { |
| 42 | result = raise (sig); |
| 43 | } |
| 44 | CATCH_MSVC_INVAL |
| 45 | { |
| 46 | result = -1; |
| 47 | errno = EINVAL; |
| 48 | } |
| 49 | DONE_MSVC_INVAL; |
| 50 | |
| 51 | return result; |
| 52 | } |
| 53 | # else |
| 54 | # define raise_nothrow raise |
| 55 | # endif |
| 56 | |
| 57 | #else |
| 58 | /* An old Unix platform. */ |
| 59 | |
| 60 | # include <unistd.h> |
| 61 | |
| 62 | # define rpl_raise raise |
| 63 | |
| 64 | #endif |
| 65 | |
| 66 | int |
| 67 | rpl_raise (int sig) |
| 68 | { |
| 69 | #if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE |
| 70 | if (sig == SIGPIPE) |
| 71 | return _gl_raise_SIGPIPE (); |
| 72 | #endif |
| 73 | |
| 74 | #if HAVE_RAISE |
| 75 | return raise_nothrow (sig); |
| 76 | #else |
| 77 | return kill (getpid (), sig); |
| 78 | #endif |
| 79 | } |