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     pid = vfork();
  12     if((int) pid > 0)
  13     {
  14         printf("I'm parent, I have a child with pid %d\n", (int) pid);
  15         waitpid(pid, NULL, 0);
  16     }
  17     else if(pid == 0)
  18     {
  19         execl("C:Echo", "Echo", "I'm child", NULL);
  20         _exit(1);
  21     }
  22     else
  23     {
  24         TEST(0);
  25     }
  26
  27     pid = vfork();
  28     if((int) pid > 0)
  29     {
  30         printf("I'm parent, I have a first child with pid %d\n", (int) pid);
  31         pid_t pid2 = vfork();
  32         if((int) pid2 > 0)
  33         {
  34             printf("I'm parent, I have a second child with pid %d\n", (int) pid2);
  35             waitpid(pid2, NULL, 0);
  36         }
  37         else if(pid2 == 0)
  38         {
  39             execl("C:Echo", "Echo", "I'm the second child of a parent", NULL);
  40             _exit(1);
  41         }
  42         waitpid(pid, NULL, 0);
  43     }
  44     else if(pid == 0)
  45     {
  46         printf("I'm child of a parent\n");
  47         pid_t pid2 = vfork();
  48         if((int) pid2 > 0)
  49         {
  50             printf("I'm child, I have my child with pid %d\n", (int) pid2);
  51             waitpid(pid2, NULL, 0);
  52         }
  53         else if(pid2 == 0)
  54         {
  55             execl("C:Echo", "Echo", "I'm child of a child", NULL);
  56             _exit(1);
  57         }
  58         _exit(0);
  59     }
  60     else
  61     {
  62         TEST(0);
  63     }
  64
  65     return OK;
  66 }
  67
  68 void cleanup()
  69 {
  70 }