1/* 2 * Copyright (c) 2009 Mark Heily <mark@heily.com> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 * 16 * $FreeBSD: releng/10.3/tests/sys/kqueue/main.c 223845 2011-07-07 18:07:03Z jonathan $ 17 */ 18 19#include <sys/types.h> 20 21#include "config.h" 22#include "common.h" 23 24int testnum = 1; 25char *cur_test_id = NULL; 26int kqfd; 27 28extern void test_evfilt_read(); 29extern void test_evfilt_signal(); 30extern void test_evfilt_vnode(); 31extern void test_evfilt_timer(); 32extern void test_evfilt_proc(); 33#if HAVE_EVFILT_USER 34extern void test_evfilt_user(); 35#endif 36 37/* Checks if any events are pending, which is an error. */ 38void 39test_no_kevents(void) 40{ 41 int nfds; 42 struct timespec timeo; 43 struct kevent kev; 44 45 puts("confirming that there are no events pending"); 46 memset(&timeo, 0, sizeof(timeo)); 47 nfds = kevent(kqfd, NULL, 0, &kev, 1, &timeo); 48 if (nfds != 0) { 49 puts("\nUnexpected event:"); 50 puts(kevent_to_str(&kev)); 51 errx(1, "%d event(s) pending, but none expected:", nfds); 52 } 53} 54 55/* Retrieve a single kevent */ 56struct kevent * 57kevent_get(int kqfd) 58{ 59 int nfds; 60 struct kevent *kev; 61 62 if ((kev = calloc(1, sizeof(*kev))) == NULL) 63 err(1, "out of memory"); 64 65 nfds = kevent(kqfd, NULL, 0, kev, 1, NULL); 66 if (nfds < 1) 67 err(1, "kevent(2)"); 68 69 return (kev); 70} 71 72char * 73kevent_fflags_dump(struct kevent *kev) 74{ 75 char *buf; 76 77#define KEVFFL_DUMP(attrib) \ 78 if (kev->fflags & attrib) \ 79 strncat(buf, #attrib" ", 64); 80 81 if ((buf = calloc(1, 1024)) == NULL) 82 abort(); 83 84 /* Not every filter has meaningful fflags */ 85 if (kev->filter != EVFILT_VNODE) { 86 snprintf(buf, 1024, "fflags = %d", kev->fflags); 87 return (buf); 88 } 89 90 snprintf(buf, 1024, "fflags = %d (", kev->fflags); 91 KEVFFL_DUMP(NOTE_DELETE); 92 KEVFFL_DUMP(NOTE_WRITE); 93 KEVFFL_DUMP(NOTE_EXTEND); 94#if HAVE_NOTE_TRUNCATE 95 KEVFFL_DUMP(NOTE_TRUNCATE); 96#endif 97 KEVFFL_DUMP(NOTE_ATTRIB); 98 KEVFFL_DUMP(NOTE_LINK); 99 KEVFFL_DUMP(NOTE_RENAME); 100#if HAVE_NOTE_REVOKE 101 KEVFFL_DUMP(NOTE_REVOKE); 102#endif 103 buf[strlen(buf) - 1] = ')'; 104 105 return (buf); 106} 107 108char * 109kevent_flags_dump(struct kevent *kev) 110{ 111 char *buf; 112 113#define KEVFL_DUMP(attrib) \ 114 if (kev->flags & attrib) \ 115 strncat(buf, #attrib" ", 64); 116 117 if ((buf = calloc(1, 1024)) == NULL) 118 abort(); 119 120 snprintf(buf, 1024, "flags = %d (", kev->flags); 121 KEVFL_DUMP(EV_ADD); 122 KEVFL_DUMP(EV_ENABLE); 123 KEVFL_DUMP(EV_DISABLE); 124 KEVFL_DUMP(EV_DELETE); 125 KEVFL_DUMP(EV_ONESHOT); 126 KEVFL_DUMP(EV_CLEAR); 127 KEVFL_DUMP(EV_EOF); 128 KEVFL_DUMP(EV_ERROR); 129#if HAVE_EV_DISPATCH 130 KEVFL_DUMP(EV_DISPATCH); 131#endif 132#if HAVE_EV_RECEIPT 133 KEVFL_DUMP(EV_RECEIPT); 134#endif 135 buf[strlen(buf) - 1] = ')'; 136 137 return (buf); 138} 139 140/* Copied from ../kevent.c kevent_dump() and improved */ 141const char * 142kevent_to_str(struct kevent *kev) 143{ 144 char buf[512]; 145 146 snprintf(&buf[0], sizeof(buf), 147 "[ident=%d, filter=%d, %s, %s, data=%d, udata=%p]", 148 (u_int) kev->ident, 149 kev->filter, 150 kevent_flags_dump(kev), 151 kevent_fflags_dump(kev), 152 (int) kev->data, 153 kev->udata); 154 155 return (strdup(buf)); 156} 157 158void 159kevent_add(int kqfd, struct kevent *kev, 160 uintptr_t ident, 161 short filter, 162 u_short flags, 163 u_int fflags, 164 intptr_t data, 165 void *udata) 166{ 167 EV_SET(kev, ident, filter, flags, fflags, data, NULL); 168 if (kevent(kqfd, kev, 1, NULL, 0, NULL) < 0) { 169 printf("Unable to add the following kevent:\n%s\n", 170 kevent_to_str(kev)); 171 err(1, "kevent(): %s", strerror(errno)); 172 } 173} 174 175void 176kevent_cmp(struct kevent *k1, struct kevent *k2) 177{ 178/* XXX- 179 Workaround for inconsistent implementation of kevent(2) 180 */ 181#ifdef __FreeBSD__ 182 if (k1->flags & EV_ADD) 183 k2->flags |= EV_ADD; 184#endif 185 if (memcmp(k1, k2, sizeof(*k1)) != 0) { 186 printf("kevent_cmp: mismatch:\n %s !=\n %s\n", 187 kevent_to_str(k1), kevent_to_str(k2)); 188 abort(); 189 } 190} 191 192void 193test_begin(const char *func) 194{ 195 if (cur_test_id) 196 free(cur_test_id); 197 cur_test_id = strdup(func); 198 if (!cur_test_id) 199 err(1, "strdup failed"); 200 201 printf("\n\nTest %d: %s\n", testnum++, func); 202} 203 204void 205success(void) 206{ 207 printf("%-70s %s\n", cur_test_id, "passed"); 208 free(cur_test_id); 209 cur_test_id = NULL; 210} 211 212void 213test_kqueue(void) 214{ 215 test_begin("kqueue()"); 216 if ((kqfd = kqueue()) < 0) 217 err(1, "kqueue()"); 218 test_no_kevents(); 219 success(); 220} 221 222void 223test_kqueue_close(void) 224{ 225 test_begin("close(kq)"); 226 if (close(kqfd) < 0) 227 err(1, "close()"); 228 success(); 229} 230 231int 232main(int argc, char **argv) 233{ 234 int test_proc = 1; 235 int test_socket = 1; 236 int test_signal = 1; 237 int test_vnode = 1; 238 int test_timer = 1; 239#ifdef __FreeBSD__ 240 int test_user = 1; 241#else 242 /* XXX-FIXME temporary */ 243 int test_user = 0; 244#endif 245 246 while (argc) { 247 if (strcmp(argv[0], "--no-proc") == 0) 248 test_proc = 0; 249 if (strcmp(argv[0], "--no-socket") == 0) 250 test_socket = 0; 251 if (strcmp(argv[0], "--no-timer") == 0) 252 test_timer = 0; 253 if (strcmp(argv[0], "--no-signal") == 0) 254 test_signal = 0; 255 if (strcmp(argv[0], "--no-vnode") == 0) 256 test_vnode = 0; 257 if (strcmp(argv[0], "--no-user") == 0) 258 test_user = 0; 259 argv++; 260 argc--; 261 } 262 263 test_kqueue(); 264 test_kqueue_close(); 265 266 if (test_socket) 267 test_evfilt_read(); 268 if (test_signal) 269 test_evfilt_signal(); 270 if (test_vnode) 271 test_evfilt_vnode(); 272#if HAVE_EVFILT_USER 273 if (test_user) 274 test_evfilt_user(); 275#endif 276 if (test_timer) 277 test_evfilt_timer(); 278 if (test_proc) 279 test_evfilt_proc(); 280 281 printf("\n---\n" 282 "+OK All %d tests completed.\n", testnum - 1); 283 return (0); 284} 285