1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2019, Joyent, Inc.
14 */
15
16 /*
17 * Verify that closing a transaction while polling generates POLLERR.
18 */
19
20 #include <err.h>
21 #include <stdlib.h>
22 #include <sys/types.h>
23 #include <sys/stat.h>
24 #include <fcntl.h>
25 #include <strings.h>
26 #include <unistd.h>
27 #include <errno.h>
28 #include <sys/debug.h>
29 #include <poll.h>
30 #include <port.h>
31
32 #include <sys/usb/clients/ccid/uccid.h>
33
34 int
main(int argc,char * argv[])35 main(int argc, char *argv[])
36 {
37 int fd, port;
38 uccid_cmd_txn_end_t end;
39 uccid_cmd_txn_begin_t begin;
40 port_event_t pe;
41 timespec_t to;
42
43 if (argc != 2) {
44 errx(EXIT_FAILURE, "missing required ccid path");
45 }
46
47 if ((port = port_create()) == -1) {
48 err(EXIT_FAILURE, "failed to create event port: %d",
49 port);
50 }
51
52 if ((fd = open(argv[1], O_RDWR | O_EXCL)) < 0) {
53 err(EXIT_FAILURE, "failed to open %s", argv[1]);
54 }
55
56 bzero(&begin, sizeof (begin));
57 begin.uct_version = UCCID_CURRENT_VERSION;
58 if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
59 err(EXIT_FAILURE, "failed to issue begin ioctl");
60 }
61
62 /*
63 * Do not poll for pollout here, since by default, after grabbing a
64 * transaction, the device is writeable.
65 */
66 if (port_associate(port, PORT_SOURCE_FD, fd, POLLIN, NULL) != 0) {
67 err(EXIT_FAILURE, "failed to associate");
68 }
69
70 bzero(&end, sizeof (end));
71 end.uct_version = UCCID_CURRENT_VERSION;
72 end.uct_flags = UCCID_TXN_END_RELEASE;
73
74 if (ioctl(fd, UCCID_CMD_TXN_END, &end) != 0) {
75 err(EXIT_FAILURE, "failed to issue end ioctl");
76 }
77
78 bzero(&to, sizeof (timespec_t));
79 if (port_get(port, &pe, &to) != 0) {
80 err(EXIT_FAILURE, "failed to port_get()");
81 }
82
83 VERIFY3S(pe.portev_source, ==, PORT_SOURCE_FD);
84 VERIFY3S(pe.portev_object, ==, fd);
85 VERIFY3S(pe.portev_events & POLLERR, !=, 0);
86
87 return (0);
88 }
89