src/launcher.c

   1 /*
   2  * launcher.c
   3  *
   4  *  Created on: Sep 14, 2010
   5  *      Author: lamikr
   6  */
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11
  12 int launch_new_process(char *param_arr[]) {
  13         int ret_val;
  14         int child_pid;
  15
  16         child_pid       = fork();
  17         if (child_pid == -1) {
  18                 // failed to fork a new process
  19                 ret_val = -1;
  20         }
  21         else if (child_pid == 0) {
  22                 // code for launched child process
  23                 //execvp(param_arr[0], param_arr);
  24                 // first parameter must contain a full path to executable
  25                 execv(param_arr[0], param_arr);
  26                 printf("Failed to execute\n");
  27                 exit(-1);
  28         }
  29         else {
  30                 // code for parent process which launched the child
  31                 ret_val = child_pid;
  32         }
  33         return ret_val;
  34 }