src/tests/system/kernel/port_close_test_2.cpp

   1 /*
   2  * Copyright 2006, Marcus Overhagen, <marcus@overhagen.de>
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <OS.h>
   8 #include <stdio.h>
   9 #include <string.h>
  10
  11 int
  12 main()
  13 {
  14         port_id id;
  15         status_t s;
  16         ssize_t size;
  17         int32 code;
  18
  19         char data[100];
  20
  21
  22         id = create_port(10, "test port");
  23         printf("created port %ld\n", id);
  24
  25         s = write_port(id, 0x1234, data, 10);
  26         printf("write port result 0x%08lx (%s)\n", s, strerror(s));
  27
  28         s = write_port(id, 0x5678, data, 20);
  29         printf("write port result 0x%08lx (%s)\n", s, strerror(s));
  30
  31         s = close_port(id);
  32         printf("close port result 0x%08lx (%s)\n", s, strerror(s));
  33
  34         // BeBook: does return B_BAD_PORT_ID if port was closed
  35         s = write_port(id, 0x5678, data, 20);
  36         printf("write port result 0x%08lx (%s)\n", s, strerror(s));
  37
  38         // BeBook: does block when port is empty, and unblocks when port is written to or deleted
  39         size = port_buffer_size(id);
  40         printf("port_buffer_size %ld (0x%08lx) (%s)\n", size, size, strerror(size));
  41
  42         // BeBook: does block when port is empty, and unblocks when port is written to or deleted
  43         size = read_port(id, &code, data, sizeof(data));
  44         printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));
  45
  46         // BeBook: does block when port is empty, and unblocks when port is written to or deleted
  47         size = port_buffer_size(id);
  48         printf("port_buffer_size %ld (0x%08lx) (%s)\n", size, size, strerror(size));
  49
  50         // BeBook: does block when port is empty, and unblocks when port is written to or deleted
  51         size = read_port(id, &code, data, sizeof(data));
  52         printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));
  53
  54         printf("read_port should fail now:\n");
  55
  56         // BeBook: does block when port is empty, and unblocks when port is written to or deleted
  57         size = read_port(id, &code, data, sizeof(data));
  58         printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));
  59
  60         return 0;
  61 }