sys-utils/setsid.c

   1 /*
   2  * setsid.c -- execute a command in a new session
   3  * Rick Sladkey <jrs@world.std.com>
   4  * In the public domain.
   5  */
   6
   7 #include <stdio.h>
   8 #include <unistd.h>
   9 #include <stdlib.h>
  10
  11 int main(int argc, char *argv[])
  12 {
  13         if (argc < 2) {
  14                 fprintf(stderr, "usage: %s program [arg ...]\n",
  15                         argv[0]);
  16                 exit(1);
  17         }
  18         if (setsid() < 0) {
  19                 perror("setsid");
  20                 exit(1);
  21         }
  22         execvp(argv[1], argv + 1);
  23         perror("execvp");
  24         exit(1);
  25 }