test/clib/vfork_execl.c

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