root/dmtcp_nocheckpoint.c

DEFINITIONS

1. main

   1 /****************************************************************************
   2  *   Copyright (C) 2006-2010 by Jason Ansel, Kapil Arya, and Gene Cooperman *
   3  *   jansel@csail.mit.edu, kapil@ccs.neu.edu, gene@ccs.neu.edu              *
   4  *                                                                          *
   5  *  This file is part of DMTCP.                                             *
   6  *                                                                          *
   7  *  DMTCP is free software: you can redistribute it and/or                  *
   8  *  modify it under the terms of the GNU Lesser General Public License as   *
   9  *  published by the Free Software Foundation, either version 3 of the      *
  10  *  License, or (at your option) any later version.                         *
  11  *                                                                          *
  12  *  DMTCP is distributed in the hope that it will be useful,                *
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of          *
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
  15  *  GNU Lesser General Public License for more details.                     *
  16  *                                                                          *
  17  *  You should have received a copy of the GNU Lesser General Public        *
  18  *  License along with DMTCP:dmtcp/src.  If not, see                        *
  19  *  <http://www.gnu.org/licenses/>.                                         *
  20  ****************************************************************************/
  22 //compile with: gcc -o dmtcp_nocheckpoint -static dmtcp_nocheckpoint.cpp
  23 #include <stdio.h>
  24 #include <errno.h>
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include "protectedfds.h"
  29 int main(int argc, char** argv) {
unsetenv("LD_PRELOAD");
  31   if(argc==1){
fprintf(stderr, "USAGE:  %s cmd ...\n", argv[0]);
  33     return 1;
  34   }
size_t fd;
  36   for (fd = PROTECTED_FD_START; fd < PROTECTED_FD_END; fd++) {
close(fd);
  38   }
execvp(argv[1], argv+1);
perror("execvp:");
  41   return 2;
  42 }