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
12 /*
13 *
14 */
15
16 port_id id;
17 char data[100];
18
19 int32
test_thread(void *)20 test_thread(void *)
21 {
22 ssize_t size;
23
24 printf("port_buffer_size...\n");
25 size = port_buffer_size(id);
26 printf("port_buffer_size size %ld (0x%08lx) (%s)\n", size, size, strerror(size));
27
28 return 0;
29 }
30
31
32 int
main()33 main()
34 {
35 status_t s;
36 ssize_t size;
37 int32 code;
38
39 id = create_port(1, "test port");
40 printf("created port %ld\n", id);
41
42 s = write_port(id, 0x1234, data, 10);
43 printf("write port result 0x%08lx (%s)\n", s, strerror(s));
44
45 size = read_port(id, &code, data, sizeof(data));
46 printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));
47
48 printf("port_buffer_size should block for 5 seconds now, as port is empty, until port is closed\n");
49
50 thread_id thread = spawn_thread(test_thread, "test thread", B_NORMAL_PRIORITY, NULL);
51 resume_thread(thread);
52 snooze(5000000);
53
54 printf("close port...\n");
55 s = close_port(id);
56 printf("close port result 0x%08lx (%s)\n", s, strerror(s));
57
58 printf("waiting for thread to terminate\n");
59 wait_for_thread(thread, &s);
60
61 return 0;
62 }
63