test/clib/waitpid.c

   1 #include <unistd.h>
   2 #include <stdio.h>
   3 #include <sys/wait.h>
   4 #include <aros/debug.h>
   5 #include <errno.h>
   6 #include "test.h"
   7
   8 #define EXIT_STATUS 123
   9
  10 int main()
  11 {
  12     pid_t pid;
  13     pid_t wait_pid;
  14     int status;
  15     char *argv[] = { "Delay", "50", NULL };
  16     char *envp[] = { NULL };
  17
  18     wait_pid = waitpid(666, NULL, 0);
  19     TEST(wait_pid == -1);
  20     TEST(errno == ECHILD);
  21
  22     pid = vfork();
  23     if((int) pid > 0)
  24     {
  25         printf("Created child with pid %d\n", (int) pid);
  26         printf("Waiting for child with pid %d to exit.\n", (int) pid);
  27         wait_pid = waitpid(pid, &status, 0);
  28         TEST((wait_pid == pid));
  29         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  30         TEST((status == EXIT_STATUS));
  31     }
  32     else if(pid == 0)
  33     {
  34         printf("Exiting with status %d\n", EXIT_STATUS);
  35         _exit(EXIT_STATUS);
  36     }
  37     else
  38     {
  39         TEST(0);
  40     }
  41
  42     pid = vfork();
  43     if((int) pid > 0)
  44     {
  45         printf("Created child with pid %d\n", (int) pid);
  46         printf("Waiting for any child to exit.\n");
  47         wait_pid = waitpid(-1, &status, 0);
  48         TEST((wait_pid == pid));
  49         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  50         TEST((status == EXIT_STATUS));
  51     }
  52     else if(pid == 0)
  53     {
  54         printf("Exiting with status %d\n", EXIT_STATUS);
  55         _exit(EXIT_STATUS);
  56     }
  57     else
  58     {
  59         TEST(0);
  60     }
  61
  62     pid = vfork();
  63     if((int) pid > 0)
  64     {
  65         printf("Created child with pid %d\n", (int) pid);
  66         printf("Waiting for any child to exit without hang.\n");
  67         wait_pid = waitpid(-1, &status, WNOHANG);
  68         if(wait_pid == 0)
  69             wait_pid = waitpid(-1, &status, 0);
  70         TEST((wait_pid == pid));
  71         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  72         TEST((status == EXIT_STATUS));
  73     }
  74     else if(pid == 0)
  75     {
  76         printf("Exiting with status %d\n", EXIT_STATUS);
  77         _exit(EXIT_STATUS);
  78     }
  79     else
  80     {
  81         TEST(0);
  82     }
  83
  84     pid = vfork();
  85     if((int) pid > 0)
  86     {
  87         printf("Created child with pid %d\n", (int) pid);
  88         printf("Waiting for any child to exit without hang.\n");
  89         wait_pid = waitpid(-1, &status, WNOHANG);
  90         TEST((wait_pid == 0));
  91         printf("Child didn't exit yet\n");
  92         wait_pid = waitpid(-1, &status, 0);
  93         TEST((wait_pid == pid));
  94         printf("Child %d exited with exit status %d\n", (int) wait_pid, status);
  95         TEST((status == 0));
  96
  97     }
  98     else if(pid == 0)
  99     {
 100         execve("C:Delay", argv, envp);
 101         _exit(-1);
 102     }
 103     else
 104     {
 105         TEST(0);
 106     }
 107
 108     return 0;
 109 }
 110
 111 void cleanup()
 112 {
 113 }