xref: /haiku/src/tests/system/kernel/port_wakeup_test_4.cpp (revision c8b86e7067b56da2e6192cede4ae629fa39cefad)
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 	status_t s;
23 
24 	printf("write port...\n");
25 	s = write_port(id, 0x5678, data, 20);
26 	printf("write port result 0x%08lx (%s)\n", s, strerror(s));
27 
28 	return 0;
29 }
30 
31 
32 int
main()33 main()
34 {
35 	status_t s;
36 
37 	id = create_port(1, "test port");
38 	printf("created port %ld\n", id);
39 
40 	s = write_port(id, 0x1234, data, 10);
41 	printf("write port result 0x%08lx (%s)\n", s, strerror(s));
42 
43 	printf("write should block for 5 seconds now, as port is full, until port is closed\n");
44 
45 	thread_id thread = spawn_thread(test_thread, "test thread", B_NORMAL_PRIORITY, NULL);
46 	resume_thread(thread);
47 	snooze(5000000);
48 
49 	printf("close port...\n");
50 	s = close_port(id);
51 	printf("close port result 0x%08lx (%s)\n", s, strerror(s));
52 
53 	printf("waiting for thread to terminate\n");
54 	wait_for_thread(thread, &s);
55 
56 	return 0;
57 }
58