test/clib/waitpid.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 <sys/wait.h>
   9 #include <aros/debug.h>
  10 #include <errno.h>
  11 #include "test.h"
  12
  13 #define EXIT_STATUS 123
  14
  15 int main()
  16 {
  17     pid_t pid;
  18     pid_t wait_pid;
  19     int status;
  20     char *argv[] = { "Delay", "50", NULL };
  21     char *envp[] = { NULL };
  22
  23     wait_pid = waitpid(666, NULL, 0);
  24     TEST(wait_pid == -1);
  25     TEST(errno == ECHILD);
  26
  27     pid = vfork();
  28     if((int) pid > 0)
  29     {
  30         printf("Created child with pid %d\n", (int) pid);
  31         printf("Waiting for child with pid %d to exit.\n", (int) pid);
  32         wait_pid = waitpid(pid, &status, 0);
  33         TEST((wait_pid == pid));
  34         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  35         TEST((status == EXIT_STATUS));
  36     }
  37     else if(pid == 0)
  38     {
  39         printf("Exiting with status %d\n", EXIT_STATUS);
  40         _exit(EXIT_STATUS);
  41     }
  42     else
  43     {
  44         TEST(0);
  45     }
  46
  47     pid = vfork();
  48     if((int) pid > 0)
  49     {
  50         printf("Created child with pid %d\n", (int) pid);
  51         printf("Waiting for any child to exit.\n");
  52         wait_pid = waitpid(-1, &status, 0);
  53         TEST((wait_pid == pid));
  54         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  55         TEST((status == EXIT_STATUS));
  56     }
  57     else if(pid == 0)
  58     {
  59         printf("Exiting with status %d\n", EXIT_STATUS);
  60         _exit(EXIT_STATUS);
  61     }
  62     else
  63     {
  64         TEST(0);
  65     }
  66
  67     pid = vfork();
  68     if((int) pid > 0)
  69     {
  70         printf("Created child with pid %d\n", (int) pid);
  71         printf("Waiting for any child to exit without hang.\n");
  72         wait_pid = waitpid(-1, &status, WNOHANG);
  73         if(wait_pid == 0)
  74             wait_pid = waitpid(-1, &status, 0);
  75         TEST((wait_pid == pid));
  76         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  77         TEST((status == EXIT_STATUS));
  78     }
  79     else if(pid == 0)
  80     {
  81         printf("Exiting with status %d\n", EXIT_STATUS);
  82         _exit(EXIT_STATUS);
  83     }
  84     else
  85     {
  86         TEST(0);
  87     }
  88
  89     pid = vfork();
  90     if((int) pid > 0)
  91     {
  92         printf("Created child with pid %d\n", (int) pid);
  93         printf("Waiting for any child to exit without hang.\n");
  94         wait_pid = waitpid(-1, &status, WNOHANG);
  95         TEST((wait_pid == 0));
  96         printf("Child didn't exit yet\n");
  97         wait_pid = waitpid(-1, &status, 0);
  98         TEST((wait_pid == pid));
  99         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
 100         TEST((status == 0));
 101
 102     }
 103     else if(pid == 0)
 104     {
 105         execve("C:Delay", argv, envp);
 106         _exit(-1);
 107     }
 108     else
 109     {
 110         TEST(0);
 111     }
 112
 113     return 0;
 114 }
 115
 116 void cleanup()
 117 {
 118 }