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 * Open up a device and make sure we get pollout by default.
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 <poll.h>
29
30 #include <sys/usb/clients/ccid/uccid.h>
31
32 int
main(int argc,char * argv[])33 main(int argc, char *argv[])
34 {
35 int fd, ret;
36 struct pollfd pfds[1];
37 uccid_cmd_txn_begin_t begin;
38
39 if (argc != 2) {
40 errx(EXIT_FAILURE, "missing required ccid path");
41 }
42
43 if ((fd = open(argv[1], O_RDWR)) < 0) {
44 err(EXIT_FAILURE, "failed to open %s", argv[1]);
45 }
46
47 bzero(&begin, sizeof (begin));
48 begin.uct_version = UCCID_CURRENT_VERSION;
49 if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
50 err(EXIT_FAILURE, "failed to issue begin ioctl");
51 }
52
53 pfds[0].fd = fd;
54 pfds[0].events = POLLOUT;
55 pfds[0].revents = 0;
56
57 ret = poll(pfds, 1, 0);
58 if (ret != 1) {
59 err(EXIT_FAILURE, "poll didn't return 1, returned %d "
60 "(errno %d)", ret, errno);
61 }
62
63 if (!(pfds[0].revents & POLLOUT)) {
64 err(EXIT_FAILURE, "missing pollout, got %d", pfds[0].revents);
65 }
66
67 return (0);
68 }
69