1 /* Provide a non-threads replacement for the POSIX raise function. 2 3 Copyright (C) 2002-2003, 2005-2006, 2009-2018 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 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 General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <https://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 # if HAVE_MSVC_INVALID_PARAMETER_HANDLER 31 # include "msvc-inval.h" 32 # endif 33 34 # undef raise 35 36 # if HAVE_MSVC_INVALID_PARAMETER_HANDLER 37 static int raise_nothrow(int sig)38raise_nothrow (int sig) 39 { 40 int result; 41 42 TRY_MSVC_INVAL 43 { 44 result = raise (sig); 45 } 46 CATCH_MSVC_INVAL 47 { 48 result = -1; 49 errno = EINVAL; 50 } 51 DONE_MSVC_INVAL; 52 53 return result; 54 } 55 # else 56 # define raise_nothrow raise 57 # endif 58 59 #else 60 /* An old Unix platform. */ 61 62 # include <unistd.h> 63 64 # define rpl_raise raise 65 66 #endif 67 68 int rpl_raise(int sig)69rpl_raise (int sig) 70 { 71 #if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE 72 if (sig == SIGPIPE) 73 return _gl_raise_SIGPIPE (); 74 #endif 75 76 #if HAVE_RAISE 77 return raise_nothrow (sig); 78 #else 79 return kill (getpid (), sig); 80 #endif 81 } 82