sigexec.c (1962B)
1 // $Id$ --*- c -*-- 2 3 // Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 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; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #include "util.h" 24 #include <signal.h> 25 #include <unistd.h> 26 #include <errno.h> 27 28 #define ENSC_WRAPPERS_PREFIX "sigexec: " 29 #define ENSC_WRAPPERS_UNISTD 1 30 #include <wrappers.h> 31 32 int wrapper_exit_code = 255; 33 34 static void 35 showHelp(int fd, char const *cmd, int res) 36 { 37 WRITE_MSG(fd, "Usage: "); 38 WRITE_STR(fd, cmd); 39 WRITE_MSG(fd, 40 " [--] <cmd> <args>*\n\n" 41 "Please report bugs to " PACKAGE_BUGREPORT "\n"); 42 exit(res); 43 } 44 45 static void 46 showVersion() 47 { 48 WRITE_MSG(1, 49 "sigexec " VERSION " -- executes commands with defined sigmasks\n" 50 "This program is part of " PACKAGE_STRING "\n\n" 51 "Copyright (C) 2004 Enrico Scholz\n" 52 VERSION_COPYRIGHT_DISCLAIMER); 53 exit(0); 54 } 55 56 57 int main(int argc, char *argv[]) 58 { 59 int idx = 1; 60 61 if (argc>=2) { 62 if (strcmp(argv[1], "--help") ==0) showHelp(1, argv[0], 0); 63 if (strcmp(argv[1], "--version")==0) showVersion(); 64 if (strcmp(argv[1], "--") ==0) ++idx; 65 } 66 67 if (argc<idx+1) { 68 WRITE_MSG(2, "Not enough parameters; use '--help' for more information\n"); 69 return wrapper_exit_code; 70 } 71 72 signal(SIGCHLD, SIG_DFL); 73 74 Eexecv(argv[idx], argv+idx); 75 }