gdb/testsuite/gdb.base/foll-exec.c

   1 /* This test program is part of GDB, the GNU debugger.
   2
   3    Copyright 1997-2016 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 <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <unistd.h>
  21 #include <string.h>
  22
  23 int global_i = 100;
  24
  25 int main (void)
  26 {
  27   int local_j = global_i + 1;
  28   int local_k = local_j + 1;
  29
  30   printf ("foll-exec is about to execlp(execd-prog)...\n");
  31
  32   execlp (BASEDIR "/execd-prog",
  33           BASEDIR "/execd-prog",
  34           "execlp arg1 from foll-exec",
  35           (char *) 0);
  36
  37   printf ("foll-exec is about to execl(execd-prog)...\n");
  38
  39   execl (BASEDIR "/execd-prog", /* tbreak-execl */
  40          BASEDIR "/execd-prog",
  41          "execl arg1 from foll-exec",
  42          "execl arg2 from foll-exec",
  43          (char *) 0);
  44
  45   {
  46     static char * argv[] = {
  47       (char *) BASEDIR "/execd-prog",
  48       (char *) "execv arg1 from foll-exec",
  49       (char *) 0};
  50
  51     printf ("foll-exec is about to execv(execd-prog)...\n");
  52
  53     execv (BASEDIR "/execd-prog", argv); /* tbreak-execv */
  54   }
  55 }