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 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