test/clib/vfork_execl.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <unistd.h>
   7 #include <stdio.h>
   8 #include <aros/debug.h>
   9 #include <sys/wait.h>
  10 #include "test.h"
  11
  12 int main()
  13 {
  14     pid_t pid;
  15
  16     /* Test vfork and a child doing execl() */
  17     pid = vfork();
  18     if((int) pid > 0)
  19     {
  20         printf("I'm parent, I have a child with pid %d\n", (int) pid);
  21         waitpid(pid, NULL, 0);
  22     }
  23     else if(pid == 0)
  24     {
  25         execl("C:Echo", "Echo", "I'm child", NULL);
  26         _exit(1);
  27     }
  28     else
  29     {
  30         TEST(0);
  31     }
  32     printf("\n");
  33
  34     /* Testing child trying to exec non-existing program */
  35     pid = vfork();
  36     if((int) pid > 0)
  37     {
  38         printf("I'm parent, I have a child with pid %d\n", (int) pid);
  39         waitpid(pid, NULL, 0);
  40     }
  41     else if(pid == 0)
  42     {
  43         TEST(execl(":XYZ/NotExist", "NotExist", "I'm child", NULL) == -1);
  44         _exit(0);
  45     }
  46     else
  47     {
  48         TEST(0);
  49     }
  50
  51     /* Testing nested vfork() + execl() */
  52     pid = vfork();
  53     if((int) pid > 0)
  54     {
  55         printf("I'm parent, I have a first child with pid %d\n", (int) pid);
  56         pid_t pid2 = vfork();
  57         if((int) pid2 > 0)
  58         {
  59             printf("I'm parent, I have a second child with pid %d\n", (int) pid2);
  60             waitpid(pid2, NULL, 0);
  61         }
  62         else if(pid2 == 0)
  63         {
  64             execl("C:Echo", "Echo", "I'm the second child of a parent", NULL);
  65             _exit(1);
  66         }
  67         waitpid(pid, NULL, 0);
  68     }
  69     else if(pid == 0)
  70     {
  71         //printf("I'm child of a parent\n");
  72         pid_t pid2 = vfork();
  73         if((int) pid2 > 0)
  74         {
  75             //printf("I'm child, I have my child with pid %d\n", (int) pid2);
  76             waitpid(pid2, NULL, 0);
  77         }
  78         else if(pid2 == 0)
  79         {
  80             execl("C:Echo", "Echo", "I'm child of a child", NULL);
  81             _exit(1);
  82         }
  83         _exit(0);
  84     }
  85     else
  86     {
  87         TEST(0);
  88     }
  89
  90     return OK;
  91 }
  92
  93 void cleanup()
  94 {
  95 }