1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2025 The FreeBSD Foundation 5 * 6 * This software was developed by Christos Margiolis <christos@FreeBSD.org> 7 * under sponsorship from the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/event.h> 32 #include <sys/soundcard.h> 33 34 #include <atf-c.h> 35 #include <errno.h> 36 #include <fcntl.h> 37 #include <inttypes.h> 38 #include <poll.h> 39 #include <unistd.h> 40 41 #define FMT_ERR(s) s ": %s", strerror(errno) 42 43 static int 44 oss_init(void) 45 { 46 int fd, tmp, rc; 47 48 fd = open("/dev/dsp.dummy", O_RDWR); 49 ATF_REQUIRE_MSG(fd >= 0, FMT_ERR("open")); 50 51 tmp = 2; 52 rc = ioctl(fd, SNDCTL_DSP_CHANNELS, &tmp); 53 ATF_REQUIRE_EQ_MSG(rc, 0, FMT_ERR("ioctl")); 54 55 tmp = AFMT_S16_LE; 56 rc = ioctl(fd, SNDCTL_DSP_SETFMT, &tmp); 57 ATF_REQUIRE_EQ_MSG(rc, 0, FMT_ERR("ioctl")); 58 59 tmp = 48000; 60 rc = ioctl(fd, SNDCTL_DSP_SPEED, &tmp); 61 ATF_REQUIRE_EQ_MSG(rc, 0, FMT_ERR("ioctl")); 62 63 /* 64 * See http://manuals.opensound.com/developer/SNDCTL_DSP_SETTRIGGER.html 65 */ 66 tmp = PCM_ENABLE_INPUT | PCM_ENABLE_OUTPUT; 67 rc = ioctl(fd, SNDCTL_DSP_SETTRIGGER, &tmp); 68 ATF_REQUIRE_EQ_MSG(rc, 0, FMT_ERR("ioctl")); 69 70 return (fd); 71 } 72 73 ATF_TC(poll_kqueue); 74 ATF_TC_HEAD(poll_kqueue, tc) 75 { 76 atf_tc_set_md_var(tc, "descr", "kqueue(2) test"); 77 atf_tc_set_md_var(tc, "require.kmods", "snd_dummy"); 78 } 79 80 ATF_TC_BODY(poll_kqueue, tc) 81 { 82 struct kevent ev; 83 int16_t buf[32]; 84 int fd, kq; 85 86 fd = oss_init(); 87 88 kq = kqueue(); 89 ATF_REQUIRE_MSG(kq >= 0, FMT_ERR("kqueue")); 90 EV_SET(&ev, fd, EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, 0); 91 ATF_REQUIRE_MSG(kevent(kq, &ev, 1, NULL, 0, NULL) == 0, 92 FMT_ERR("kevent")); 93 94 ATF_REQUIRE_MSG(kevent(kq, NULL, 0, &ev, 1, NULL) == 1, 95 FMT_ERR("kevent")); 96 ATF_REQUIRE_MSG((ev.flags & EV_ERROR) == 0, "EV_ERROR is set"); 97 ATF_REQUIRE_MSG(ev.data != 0, "data is %" PRId64, ev.data); 98 ATF_REQUIRE_MSG(read(fd, buf, sizeof(buf)) > 0, FMT_ERR("read")); 99 100 EV_SET(&ev, fd, EVFILT_READ, EV_DELETE, 0, 0, 0); 101 close(kq); 102 103 kq = kqueue(); 104 ATF_REQUIRE_MSG(kq >= 0, FMT_ERR("kqueue")); 105 EV_SET(&ev, fd, EVFILT_WRITE, EV_ADD | EV_CLEAR, 0, 0, 0); 106 ATF_REQUIRE_MSG(kevent(kq, &ev, 1, NULL, 0, NULL) == 0, 107 FMT_ERR("kevent")); 108 109 ATF_REQUIRE_MSG(kevent(kq, NULL, 0, &ev, 1, NULL) == 1, 110 FMT_ERR("kevent")); 111 ATF_REQUIRE_MSG((ev.flags & EV_ERROR) == 0, "EV_ERROR is set"); 112 ATF_REQUIRE_MSG(ev.data != 0, "data is %" PRId64, ev.data); 113 ATF_REQUIRE_MSG(write(fd, buf, sizeof(buf)) > 0, FMT_ERR("write")); 114 115 EV_SET(&ev, fd, EVFILT_WRITE, EV_DELETE, 0, 0, 0); 116 close(kq); 117 118 close(fd); 119 } 120 121 ATF_TC(poll_poll); 122 ATF_TC_HEAD(poll_poll, tc) 123 { 124 atf_tc_set_md_var(tc, "descr", "poll(2) test"); 125 atf_tc_set_md_var(tc, "require.kmods", "snd_dummy"); 126 } 127 128 ATF_TC_BODY(poll_poll, tc) 129 { 130 struct pollfd pfd[2]; 131 int16_t buf[32]; 132 int fd; 133 bool rd = false; 134 bool wr = false; 135 136 fd = oss_init(); 137 138 while (!rd || !wr) { 139 pfd[0].fd = fd; 140 pfd[0].events = POLLIN; 141 pfd[1].fd = fd; 142 pfd[1].events = POLLOUT; 143 ATF_REQUIRE_MSG(poll(pfd, sizeof(pfd) / sizeof(struct pollfd), 144 -1) > 0, FMT_ERR("poll")); 145 146 if (pfd[0].revents) { 147 ATF_REQUIRE_MSG(read(fd, buf, sizeof(buf)) > 0, 148 FMT_ERR("read")); 149 rd = true; 150 } 151 if (pfd[1].revents) { 152 ATF_REQUIRE_MSG(write(fd, buf, sizeof(buf)) > 0, 153 FMT_ERR("write")); 154 wr = true; 155 } 156 } 157 close(fd); 158 } 159 160 ATF_TC(poll_select); 161 ATF_TC_HEAD(poll_select, tc) 162 { 163 atf_tc_set_md_var(tc, "descr", "select(2) test"); 164 atf_tc_set_md_var(tc, "require.kmods", "snd_dummy"); 165 } 166 167 ATF_TC_BODY(poll_select, tc) 168 { 169 fd_set fds[2]; 170 int16_t buf[32]; 171 int fd; 172 bool rd = false; 173 bool wr = false; 174 175 fd = oss_init(); 176 177 while (!rd || !wr) { 178 FD_ZERO(&fds[0]); 179 FD_ZERO(&fds[1]); 180 FD_SET(fd, &fds[0]); 181 FD_SET(fd, &fds[1]); 182 ATF_REQUIRE_MSG(select(fd + 2, &fds[0], &fds[1], NULL, NULL) > 0, 183 FMT_ERR("select")); 184 if (FD_ISSET(fd, &fds[0])) { 185 ATF_REQUIRE_MSG(read(fd, buf, sizeof(buf)) > 0, 186 FMT_ERR("read")); 187 rd = true; 188 } 189 if (FD_ISSET(fd, &fds[1])) { 190 ATF_REQUIRE_MSG(write(fd, buf, sizeof(buf)) > 0, 191 FMT_ERR("write")); 192 wr = true; 193 } 194 } 195 close(fd); 196 } 197 198 ATF_TP_ADD_TCS(tp) 199 { 200 ATF_TP_ADD_TC(tp, poll_kqueue); 201 ATF_TP_ADD_TC(tp, poll_poll); 202 ATF_TP_ADD_TC(tp, poll_select); 203 204 return (atf_no_error()); 205 } 206