Xiaoguang Wang | 477ea28 | 2014-03-19 16:14:43 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014 Fujitsu Ltd. |
| 3 | * Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it would be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * Description: |
| 20 | * Verify that: |
| 21 | * Basic test for fcntl(2) using F_GETOWN, F_SETOWN, F_GETOWN_EX, |
| 22 | * F_SETOWN_EX, F_GETSIG, F_SETSIG argument. |
| 23 | */ |
| 24 | |
| 25 | #include <stdio.h> |
| 26 | #include <errno.h> |
| 27 | #include <unistd.h> |
| 28 | #include <fcntl.h> |
| 29 | #include <string.h> |
| 30 | #include <signal.h> |
| 31 | #include <sys/types.h> |
| 32 | #include <sys/wait.h> |
| 33 | #include <pwd.h> |
| 34 | #include <sched.h> |
| 35 | |
| 36 | #include "test.h" |
| 37 | #include "config.h" |
Xiaoguang Wang | 477ea28 | 2014-03-19 16:14:43 +0800 | [diff] [blame] | 38 | #include "linux_syscall_numbers.h" |
| 39 | #include "safe_macros.h" |
Cyril Hrubis | 66a84a4 | 2014-03-24 13:49:26 +0100 | [diff] [blame] | 40 | #include "lapi/fcntl.h" |
Xiaoguang Wang | 477ea28 | 2014-03-19 16:14:43 +0800 | [diff] [blame] | 41 | |
| 42 | static void setup(void); |
| 43 | static void cleanup(void); |
| 44 | |
| 45 | static void setown_pid_test(void); |
| 46 | static void setown_pgrp_test(void); |
| 47 | |
| 48 | #if defined(HAVE_STRUCT_F_OWNER_EX) |
| 49 | static int ownex_enabled; |
| 50 | static char *ownex_tconf_msg = "F_GETOWN_EX and F_SETOWN_EX only run on " |
| 51 | "kernels that are 2.6.32 and higher"; |
| 52 | static void setownex_tid_test(void); |
| 53 | static void setownex_pid_test(void); |
| 54 | static void setownex_pgrp_test(void); |
| 55 | |
| 56 | static struct f_owner_ex orig_own_ex; |
| 57 | #endif |
| 58 | |
| 59 | static void signal_parent(void); |
| 60 | static void check_io_signal(char *des); |
| 61 | static void test_set_and_get_sig(int sig, char *des); |
| 62 | |
| 63 | static pid_t pid; |
| 64 | static pid_t orig_pid; |
| 65 | static pid_t pgrp_pid; |
| 66 | |
| 67 | static struct timespec timeout; |
| 68 | static sigset_t newset, oldset; |
| 69 | |
| 70 | static int test_fd; |
| 71 | static int pipe_fds[2]; |
| 72 | |
| 73 | static void (*testfunc[])(void) = { |
| 74 | setown_pid_test, setown_pgrp_test, |
| 75 | #if defined(HAVE_STRUCT_F_OWNER_EX) |
| 76 | setownex_tid_test, setownex_pid_test, setownex_pgrp_test |
| 77 | #endif |
| 78 | }; |
| 79 | |
| 80 | char *TCID = "fcntl31"; |
| 81 | int TST_TOTAL = ARRAY_SIZE(testfunc); |
| 82 | |
| 83 | |
| 84 | int main(int ac, char **av) |
| 85 | { |
| 86 | int lc, i; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 87 | const char *msg; |
Xiaoguang Wang | 477ea28 | 2014-03-19 16:14:43 +0800 | [diff] [blame] | 88 | |
| 89 | msg = parse_opts(ac, av, NULL, NULL); |
| 90 | if (msg != NULL) |
| 91 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| 92 | |
| 93 | setup(); |
| 94 | |
| 95 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 96 | tst_count = 0; |
| 97 | |
| 98 | for (i = 0; i < TST_TOTAL; i++) |
| 99 | (*testfunc[i])(); |
| 100 | } |
| 101 | |
| 102 | cleanup(); |
| 103 | tst_exit(); |
| 104 | } |
| 105 | |
| 106 | static void setup(void) |
| 107 | { |
| 108 | int ret; |
| 109 | |
| 110 | tst_sig(FORK, DEF_HANDLER, cleanup); |
| 111 | |
| 112 | TEST_PAUSE; |
| 113 | |
| 114 | /* we have these tests on pipe */ |
| 115 | SAFE_PIPE(cleanup, pipe_fds); |
| 116 | test_fd = pipe_fds[0]; |
| 117 | if (fcntl(test_fd, F_SETFL, O_ASYNC) < 0) |
| 118 | tst_brkm(TBROK | TERRNO, cleanup, "fcntl set O_ASYNC failed"); |
| 119 | |
| 120 | pid = getpid(); |
| 121 | |
| 122 | ret = setpgrp(); |
| 123 | if (ret < 0) |
| 124 | tst_brkm(TBROK | TERRNO, cleanup, "setpgrp() failed"); |
| 125 | pgrp_pid = getpgid(0); |
| 126 | if (pgrp_pid < 0) |
| 127 | tst_brkm(TBROK | TERRNO, cleanup, "getpgid() failed"); |
| 128 | |
| 129 | #if defined(HAVE_STRUCT_F_OWNER_EX) |
| 130 | if ((tst_kvercmp(2, 6, 32)) >= 0) { |
| 131 | ownex_enabled = 1; |
| 132 | |
| 133 | /* get original f_owner_ex info */ |
| 134 | TEST(fcntl(test_fd, F_GETOWN_EX, &orig_own_ex)); |
| 135 | if (TEST_RETURN < 0) { |
| 136 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 137 | "fcntl get original f_owner_ex info failed"); |
| 138 | } |
| 139 | } |
| 140 | #endif |
| 141 | |
| 142 | /* get original pid info */ |
| 143 | TEST(fcntl(test_fd, F_GETOWN)); |
| 144 | if (TEST_RETURN < 0) { |
| 145 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 146 | "fcntl get original pid info failed"); |
| 147 | } |
| 148 | orig_pid = TEST_RETURN; |
| 149 | |
| 150 | sigemptyset(&newset); |
| 151 | sigaddset(&newset, SIGUSR1); |
| 152 | sigaddset(&newset, SIGIO); |
| 153 | |
| 154 | if (sigprocmask(SIG_SETMASK, &newset, &oldset) < 0) |
| 155 | tst_brkm(TBROK | TERRNO, cleanup, "sigprocmask failed"); |
| 156 | |
| 157 | timeout.tv_sec = 5; |
| 158 | timeout.tv_nsec = 0; |
| 159 | } |
| 160 | |
| 161 | static void setown_pid_test(void) |
| 162 | { |
| 163 | TEST(fcntl(test_fd, F_SETOWN, pid)); |
| 164 | if (TEST_RETURN < 0) { |
| 165 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 166 | "fcntl(F_SETOWN) set process id failed"); |
| 167 | } |
| 168 | test_set_and_get_sig(SIGUSR1, "F_GETOWN, F_SETOWN for process ID"); |
| 169 | |
| 170 | TEST(fcntl(test_fd, F_SETOWN, orig_pid)); |
| 171 | if (TEST_RETURN < 0) { |
| 172 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 173 | "fcntl(F_SETOWN) restore orig_pid failed"); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | static void setown_pgrp_test(void) |
| 178 | { |
| 179 | TEST(fcntl(test_fd, F_SETOWN, -pgrp_pid)); |
| 180 | if (TEST_RETURN < 0) { |
| 181 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 182 | "fcntl(F_SETOWN) set process group id failed"); |
| 183 | } |
| 184 | test_set_and_get_sig(SIGUSR1, |
| 185 | "F_GETOWN, F_SETOWN for process group ID"); |
| 186 | |
| 187 | TEST(fcntl(test_fd, F_SETOWN, orig_pid)); |
| 188 | if (TEST_RETURN < 0) { |
| 189 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 190 | "fcntl(F_SETOWN) restore orig_pid failed"); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | #if defined(HAVE_STRUCT_F_OWNER_EX) |
| 195 | static void setownex_cleanup(void) |
| 196 | { |
| 197 | TEST(fcntl(test_fd, F_SETOWN_EX, &orig_own_ex)); |
| 198 | if (TEST_RETURN < 0) { |
| 199 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 200 | "fcntl F_SETOWN_EX restore orig_own_ex failed"); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | static void setownex_tid_test(void) |
| 205 | { |
| 206 | static struct f_owner_ex tst_own_ex; |
| 207 | |
| 208 | if (ownex_enabled == 0) { |
| 209 | tst_resm(TCONF, "%s", ownex_tconf_msg); |
| 210 | return; |
| 211 | } |
| 212 | |
| 213 | tst_own_ex.type = F_OWNER_TID; |
| 214 | tst_own_ex.pid = ltp_syscall(__NR_gettid); |
| 215 | |
| 216 | TEST(fcntl(test_fd, F_SETOWN_EX, &tst_own_ex)); |
| 217 | if (TEST_RETURN < 0) { |
| 218 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 219 | "fcntl F_SETOWN_EX failed"); |
| 220 | } |
| 221 | test_set_and_get_sig(SIGUSR1, "F_GETOWN_EX, F_SETOWN_EX for thread ID"); |
| 222 | |
| 223 | setownex_cleanup(); |
| 224 | } |
| 225 | |
| 226 | static void setownex_pid_test(void) |
| 227 | { |
| 228 | static struct f_owner_ex tst_own_ex; |
| 229 | |
| 230 | if (ownex_enabled == 0) { |
| 231 | tst_resm(TCONF, "%s", ownex_tconf_msg); |
| 232 | return; |
| 233 | } |
| 234 | |
| 235 | tst_own_ex.type = F_OWNER_PID; |
| 236 | tst_own_ex.pid = pid; |
| 237 | |
| 238 | TEST(fcntl(test_fd, F_SETOWN_EX, &tst_own_ex)); |
| 239 | if (TEST_RETURN < 0) { |
| 240 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 241 | "fcntl F_SETOWN_EX failed"); |
| 242 | } |
| 243 | test_set_and_get_sig(SIGUSR1, |
| 244 | "F_GETOWN_EX, F_SETOWN_EX for process ID"); |
| 245 | |
| 246 | setownex_cleanup(); |
| 247 | } |
| 248 | |
| 249 | static void setownex_pgrp_test(void) |
| 250 | { |
| 251 | static struct f_owner_ex tst_own_ex; |
| 252 | |
| 253 | if (ownex_enabled == 0) { |
| 254 | tst_resm(TCONF, "%s", ownex_tconf_msg); |
| 255 | return; |
| 256 | } |
| 257 | |
| 258 | tst_own_ex.type = F_OWNER_PGRP; |
| 259 | tst_own_ex.pid = pgrp_pid; |
| 260 | |
| 261 | TEST(fcntl(test_fd, F_SETOWN_EX, &tst_own_ex)); |
| 262 | if (TEST_RETURN < 0) { |
| 263 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 264 | "fcntl F_SETOWN_EX failed"); |
| 265 | } |
| 266 | test_set_and_get_sig(SIGUSR1, |
| 267 | "F_GETOWN_EX, F_SETOWN_EX for process group ID"); |
| 268 | |
| 269 | setownex_cleanup(); |
| 270 | } |
| 271 | #endif |
| 272 | |
| 273 | static void test_set_and_get_sig(int sig, char *des) |
| 274 | { |
| 275 | int orig_sig; |
| 276 | |
| 277 | TEST(fcntl(test_fd, F_GETSIG)); |
| 278 | if (TEST_RETURN < 0) { |
| 279 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 280 | "fcntl(fd, F_GETSIG) get orig_sig failed"); |
| 281 | } |
| 282 | orig_sig = TEST_RETURN; |
| 283 | |
| 284 | if (orig_sig == 0 || orig_sig == SIGIO) |
| 285 | tst_resm(TINFO, "default io events signal is SIGIO"); |
| 286 | |
| 287 | TEST(fcntl(test_fd, F_SETSIG, sig)); |
| 288 | if (TEST_RETURN < 0) { |
| 289 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 290 | "fcntl(fd, F_SETSIG, SIG: %d) failed", sig); |
| 291 | } |
| 292 | |
| 293 | TEST(fcntl(test_fd, F_GETSIG)); |
| 294 | if (TEST_RETURN < 0) { |
| 295 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 296 | "fcntl(fd, F_GETSIG) get the set signal failed"); |
| 297 | } |
| 298 | if (TEST_RETURN != sig) { |
| 299 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 300 | "fcntl F_SETSIG set SIG: %d failed", sig); |
| 301 | } |
| 302 | |
| 303 | check_io_signal(des); |
| 304 | |
| 305 | /* restore the default signal*/ |
| 306 | TEST(fcntl(test_fd, F_SETSIG, orig_sig)); |
| 307 | if (TEST_RETURN < 0) { |
| 308 | tst_brkm(TFAIL | TTERRNO, cleanup, |
| 309 | "fcntl restore default signal failed"); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | static void signal_parent(void) |
| 314 | { |
| 315 | int ret, fd; |
| 316 | |
| 317 | fd = pipe_fds[1]; |
| 318 | close(pipe_fds[0]); |
| 319 | |
| 320 | ret = setpgrp(); |
| 321 | if (ret < 0) { |
| 322 | fprintf(stderr, "child process(%d) setpgrp() failed: %s \n", |
| 323 | getpid(), strerror(errno)); |
| 324 | } |
| 325 | |
| 326 | /* Wait for parent process to enter sigtimedwait(). */ |
| 327 | tst_process_state_wait2(getppid(), 'S'); |
| 328 | |
| 329 | ret = write(fd, "c", 1); |
| 330 | |
| 331 | switch (ret) { |
| 332 | case 0: |
| 333 | fprintf(stderr, "No data written, something is wrong\n"); |
| 334 | break; |
| 335 | case -1: |
| 336 | fprintf(stderr, "Failed to write to pipe: %s\n", |
| 337 | strerror(errno)); |
| 338 | break; |
| 339 | } |
| 340 | |
| 341 | close(fd); |
| 342 | return; |
| 343 | } |
| 344 | |
| 345 | static void check_io_signal(char *des) |
| 346 | { |
| 347 | int ret; |
| 348 | char c; |
| 349 | pid_t child; |
| 350 | |
| 351 | child = tst_fork(); |
| 352 | if (child < 0) |
| 353 | tst_brkm(TBROK | TERRNO, cleanup, "fork failed"); |
| 354 | |
| 355 | if (child == 0) { |
| 356 | signal_parent(); |
| 357 | exit(0); |
| 358 | } else { |
| 359 | ret = sigtimedwait(&newset, NULL, &timeout); |
| 360 | if (ret == -1) { |
| 361 | tst_brkm(TBROK | TERRNO, NULL, |
| 362 | "sigtimedwait() failed."); |
| 363 | } |
| 364 | |
| 365 | switch (ret) { |
| 366 | case SIGUSR1: |
| 367 | tst_resm(TPASS, "fcntl test %s success", des); |
| 368 | break; |
| 369 | case SIGIO: |
| 370 | tst_resm(TFAIL, "received default SIGIO, fcntl test " |
| 371 | "%s failed", des); |
| 372 | break; |
| 373 | default: |
| 374 | tst_brkm(TBROK, cleanup, "fcntl io events " |
| 375 | "signal mechanism work abnormally"); |
| 376 | } |
| 377 | |
| 378 | SAFE_READ(cleanup, 1, test_fd, &c, 1); |
| 379 | wait(NULL); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | static void cleanup(void) |
| 384 | { |
Xiaoguang Wang | 477ea28 | 2014-03-19 16:14:43 +0800 | [diff] [blame] | 385 | if (sigprocmask(SIG_SETMASK, &oldset, NULL) < 0) |
| 386 | tst_resm(TWARN | TERRNO, "sigprocmask restore oldset failed"); |
| 387 | |
| 388 | if (pipe_fds[0] > 0 && close(pipe_fds[0]) == -1) |
| 389 | tst_resm(TWARN | TERRNO, "close(%d) failed", pipe_fds[0]); |
| 390 | if (pipe_fds[1] > 0 && close(pipe_fds[1]) == -1) |
| 391 | tst_resm(TWARN | TERRNO, "close(%d) failed", pipe_fds[1]); |
| 392 | } |