Commit 196ad10903ee4c2148f296600f537d7028ea845d
1 parent
b7dda06a
portable Linux test
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@384 c046a42c-6fe2-441c-8c8c-71466251a162
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tests/linux-test.c
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| 1 | +/* | |
| 2 | + * linux and CPU test | |
| 3 | + * | |
| 4 | + * Copyright (c) 2003 Fabrice Bellard | |
| 5 | + * | |
| 6 | + * This program is free software; you can redistribute it and/or modify | |
| 7 | + * it under the terms of the GNU General Public License as published by | |
| 8 | + * the Free Software Foundation; either version 2 of the License, or | |
| 9 | + * (at your option) any later version. | |
| 10 | + * | |
| 11 | + * This program is distributed in the hope that it will be useful, | |
| 12 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | + * GNU General Public License for more details. | |
| 15 | + * | |
| 16 | + * You should have received a copy of the GNU General Public License | |
| 17 | + * along with this program; if not, write to the Free Software | |
| 18 | + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 19 | + */ | |
| 20 | +#include <stdarg.h> | |
| 21 | +#include <stdlib.h> | |
| 22 | +#include <stdio.h> | |
| 23 | +#include <unistd.h> | |
| 24 | +#include <fcntl.h> | |
| 25 | +#include <inttypes.h> | |
| 26 | +#include <string.h> | |
| 27 | +#include <sys/types.h> | |
| 28 | +#include <sys/stat.h> | |
| 29 | +#include <sys/wait.h> | |
| 30 | +#include <errno.h> | |
| 31 | +#include <utime.h> | |
| 32 | +#include <time.h> | |
| 33 | +#include <sys/time.h> | |
| 34 | +#include <sys/uio.h> | |
| 35 | +#include <sys/socket.h> | |
| 36 | +#include <netinet/in.h> | |
| 37 | +#include <arpa/inet.h> | |
| 38 | +#include <sched.h> | |
| 39 | +#include <dirent.h> | |
| 40 | +#include <setjmp.h> | |
| 41 | + | |
| 42 | +#define TESTPATH "/tmp/linux-test.tmp" | |
| 43 | +#define TESTPORT 7654 | |
| 44 | +#define STACK_SIZE 16384 | |
| 45 | + | |
| 46 | +void error1(const char *filename, int line, const char *fmt, ...) | |
| 47 | +{ | |
| 48 | + va_list ap; | |
| 49 | + va_start(ap, fmt); | |
| 50 | + fprintf(stderr, "%s:%d: ", filename, line); | |
| 51 | + vfprintf(stderr, fmt, ap); | |
| 52 | + fprintf(stderr, "\n"); | |
| 53 | + va_end(ap); | |
| 54 | + exit(1); | |
| 55 | +} | |
| 56 | + | |
| 57 | +int __chk_error(const char *filename, int line, int ret) | |
| 58 | +{ | |
| 59 | + if (ret < 0) { | |
| 60 | + error1(filename, line, "%m (ret=%d, errno=%d)", | |
| 61 | + ret, errno); | |
| 62 | + } | |
| 63 | + return ret; | |
| 64 | +} | |
| 65 | + | |
| 66 | +#define error(fmt, args...) error1(__FILE__, __LINE__, fmt, ##args) | |
| 67 | + | |
| 68 | +#define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret)) | |
| 69 | + | |
| 70 | +/*******************************************************/ | |
| 71 | + | |
| 72 | +#define FILE_BUF_SIZE 300 | |
| 73 | + | |
| 74 | +void file_test(void) | |
| 75 | +{ | |
| 76 | + int fd, i, len, ret; | |
| 77 | + uint8_t buf[FILE_BUF_SIZE]; | |
| 78 | + uint8_t buf2[FILE_BUF_SIZE]; | |
| 79 | + uint8_t buf3[FILE_BUF_SIZE]; | |
| 80 | + char cur_dir[1024]; | |
| 81 | + struct stat st; | |
| 82 | + struct utimbuf tbuf; | |
| 83 | + struct iovec vecs[2]; | |
| 84 | + DIR *dir; | |
| 85 | + struct dirent *de; | |
| 86 | + | |
| 87 | + /* clean up, just in case */ | |
| 88 | + unlink(TESTPATH "/file1"); | |
| 89 | + unlink(TESTPATH "/file2"); | |
| 90 | + unlink(TESTPATH "/file3"); | |
| 91 | + rmdir(TESTPATH); | |
| 92 | + | |
| 93 | + if (getcwd(cur_dir, sizeof(cur_dir)) == NULL) | |
| 94 | + error("getcwd"); | |
| 95 | + | |
| 96 | + chk_error(mkdir(TESTPATH, 0755)); | |
| 97 | + | |
| 98 | + chk_error(chdir(TESTPATH)); | |
| 99 | + | |
| 100 | + /* open/read/write/close/readv/writev/lseek */ | |
| 101 | + | |
| 102 | + fd = chk_error(open("file1", O_WRONLY | O_TRUNC | O_CREAT, 0644)); | |
| 103 | + for(i=0;i < FILE_BUF_SIZE; i++) | |
| 104 | + buf[i] = i; | |
| 105 | + len = chk_error(write(fd, buf, FILE_BUF_SIZE / 2)); | |
| 106 | + if (len != (FILE_BUF_SIZE / 2)) | |
| 107 | + error("write"); | |
| 108 | + vecs[0].iov_base = buf + (FILE_BUF_SIZE / 2); | |
| 109 | + vecs[0].iov_len = 16; | |
| 110 | + vecs[1].iov_base = buf + (FILE_BUF_SIZE / 2) + 16; | |
| 111 | + vecs[1].iov_len = (FILE_BUF_SIZE / 2) - 16; | |
| 112 | + len = chk_error(writev(fd, vecs, 2)); | |
| 113 | + if (len != (FILE_BUF_SIZE / 2)) | |
| 114 | + error("writev"); | |
| 115 | + chk_error(close(fd)); | |
| 116 | + | |
| 117 | + chk_error(rename("file1", "file2")); | |
| 118 | + | |
| 119 | + fd = chk_error(open("file2", O_RDONLY)); | |
| 120 | + | |
| 121 | + len = chk_error(read(fd, buf2, FILE_BUF_SIZE)); | |
| 122 | + if (len != FILE_BUF_SIZE) | |
| 123 | + error("read"); | |
| 124 | + if (memcmp(buf, buf2, FILE_BUF_SIZE) != 0) | |
| 125 | + error("memcmp"); | |
| 126 | + | |
| 127 | +#define FOFFSET 16 | |
| 128 | + ret = chk_error(lseek(fd, FOFFSET, SEEK_SET)); | |
| 129 | + if (ret != 16) | |
| 130 | + error("lseek"); | |
| 131 | + vecs[0].iov_base = buf3; | |
| 132 | + vecs[0].iov_len = 32; | |
| 133 | + vecs[1].iov_base = buf3 + 32; | |
| 134 | + vecs[1].iov_len = FILE_BUF_SIZE - FOFFSET - 32; | |
| 135 | + len = chk_error(readv(fd, vecs, 2)); | |
| 136 | + if (len != FILE_BUF_SIZE - FOFFSET) | |
| 137 | + error("readv"); | |
| 138 | + if (memcmp(buf + FOFFSET, buf3, FILE_BUF_SIZE - FOFFSET) != 0) | |
| 139 | + error("memcmp"); | |
| 140 | + | |
| 141 | + chk_error(close(fd)); | |
| 142 | + | |
| 143 | + /* access */ | |
| 144 | + chk_error(access("file2", R_OK)); | |
| 145 | + | |
| 146 | + /* stat/chmod/utime/truncate */ | |
| 147 | + | |
| 148 | + chk_error(chmod("file2", 0600)); | |
| 149 | + tbuf.actime = 1001; | |
| 150 | + tbuf.modtime = 1000; | |
| 151 | + chk_error(truncate("file2", 100)); | |
| 152 | + chk_error(utime("file2", &tbuf)); | |
| 153 | + chk_error(stat("file2", &st)); | |
| 154 | + if (st.st_size != 100) | |
| 155 | + error("stat size"); | |
| 156 | + if (!S_ISREG(st.st_mode)) | |
| 157 | + error("stat mode"); | |
| 158 | + if ((st.st_mode & 0777) != 0600) | |
| 159 | + error("stat mode2"); | |
| 160 | + if (st.st_atime != 1001 || | |
| 161 | + st.st_mtime != 1000) | |
| 162 | + error("stat time"); | |
| 163 | + | |
| 164 | + chk_error(stat(TESTPATH, &st)); | |
| 165 | + if (!S_ISDIR(st.st_mode)) | |
| 166 | + error("stat mode"); | |
| 167 | + | |
| 168 | + /* fstat */ | |
| 169 | + fd = chk_error(open("file2", O_RDWR)); | |
| 170 | + chk_error(ftruncate(fd, 50)); | |
| 171 | + chk_error(fstat(fd, &st)); | |
| 172 | + chk_error(close(fd)); | |
| 173 | + | |
| 174 | + if (st.st_size != 50) | |
| 175 | + error("stat size"); | |
| 176 | + if (!S_ISREG(st.st_mode)) | |
| 177 | + error("stat mode"); | |
| 178 | + | |
| 179 | + /* symlink/lstat */ | |
| 180 | + chk_error(symlink("file2", "file3")); | |
| 181 | + chk_error(lstat("file3", &st)); | |
| 182 | + if (!S_ISLNK(st.st_mode)) | |
| 183 | + error("stat mode"); | |
| 184 | + | |
| 185 | + /* getdents */ | |
| 186 | + dir = opendir(TESTPATH); | |
| 187 | + if (!dir) | |
| 188 | + error("opendir"); | |
| 189 | + len = 0; | |
| 190 | + for(;;) { | |
| 191 | + de = readdir(dir); | |
| 192 | + if (!de) | |
| 193 | + break; | |
| 194 | + if (strcmp(de->d_name, ".") != 0 && | |
| 195 | + strcmp(de->d_name, "..") != 0 && | |
| 196 | + strcmp(de->d_name, "file2") != 0 && | |
| 197 | + strcmp(de->d_name, "file3") != 0) | |
| 198 | + error("readdir"); | |
| 199 | + len++; | |
| 200 | + } | |
| 201 | + closedir(dir); | |
| 202 | + if (len != 4) | |
| 203 | + error("readdir"); | |
| 204 | + | |
| 205 | + chk_error(unlink("file3")); | |
| 206 | + chk_error(unlink("file2")); | |
| 207 | + chk_error(chdir(cur_dir)); | |
| 208 | + chk_error(rmdir(TESTPATH)); | |
| 209 | +} | |
| 210 | + | |
| 211 | +void test_fork(void) | |
| 212 | +{ | |
| 213 | + int pid, status; | |
| 214 | + | |
| 215 | + pid = chk_error(fork()); | |
| 216 | + if (pid == 0) { | |
| 217 | + /* child */ | |
| 218 | + exit(2); | |
| 219 | + } | |
| 220 | + chk_error(waitpid(pid, &status, 0)); | |
| 221 | + if (!WIFEXITED(status) || WEXITSTATUS(status) != 2) | |
| 222 | + error("waitpid status=0x%x", status); | |
| 223 | +} | |
| 224 | + | |
| 225 | +void test_time(void) | |
| 226 | +{ | |
| 227 | + struct timeval tv, tv2; | |
| 228 | + struct timespec ts, rem; | |
| 229 | + struct rusage rusg1, rusg2; | |
| 230 | + int ti, i; | |
| 231 | + | |
| 232 | + chk_error(gettimeofday(&tv, NULL)); | |
| 233 | + rem.tv_sec = 1; | |
| 234 | + ts.tv_sec = 0; | |
| 235 | + ts.tv_nsec = 20 * 1000000; | |
| 236 | + chk_error(nanosleep(&ts, &rem)); | |
| 237 | + if (rem.tv_sec != 1) | |
| 238 | + error("nanosleep"); | |
| 239 | + chk_error(gettimeofday(&tv2, NULL)); | |
| 240 | + ti = tv2.tv_sec - tv.tv_sec; | |
| 241 | + if (ti >= 2) | |
| 242 | + error("gettimeofday"); | |
| 243 | + | |
| 244 | + chk_error(getrusage(RUSAGE_SELF, &rusg1)); | |
| 245 | + for(i = 0;i < 10000; i++); | |
| 246 | + chk_error(getrusage(RUSAGE_SELF, &rusg2)); | |
| 247 | + if ((rusg2.ru_utime.tv_sec - rusg1.ru_utime.tv_sec) < 0 || | |
| 248 | + (rusg2.ru_stime.tv_sec - rusg1.ru_stime.tv_sec) < 0) | |
| 249 | + error("getrusage"); | |
| 250 | +} | |
| 251 | + | |
| 252 | +void pstrcpy(char *buf, int buf_size, const char *str) | |
| 253 | +{ | |
| 254 | + int c; | |
| 255 | + char *q = buf; | |
| 256 | + | |
| 257 | + if (buf_size <= 0) | |
| 258 | + return; | |
| 259 | + | |
| 260 | + for(;;) { | |
| 261 | + c = *str++; | |
| 262 | + if (c == 0 || q >= buf + buf_size - 1) | |
| 263 | + break; | |
| 264 | + *q++ = c; | |
| 265 | + } | |
| 266 | + *q = '\0'; | |
| 267 | +} | |
| 268 | + | |
| 269 | +/* strcat and truncate. */ | |
| 270 | +char *pstrcat(char *buf, int buf_size, const char *s) | |
| 271 | +{ | |
| 272 | + int len; | |
| 273 | + len = strlen(buf); | |
| 274 | + if (len < buf_size) | |
| 275 | + pstrcpy(buf + len, buf_size - len, s); | |
| 276 | + return buf; | |
| 277 | +} | |
| 278 | + | |
| 279 | +int server_socket(void) | |
| 280 | +{ | |
| 281 | + int val, fd; | |
| 282 | + struct sockaddr_in sockaddr; | |
| 283 | + | |
| 284 | + /* server socket */ | |
| 285 | + fd = chk_error(socket(PF_INET, SOCK_STREAM, 0)); | |
| 286 | + | |
| 287 | + val = 1; | |
| 288 | + chk_error(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val))); | |
| 289 | + | |
| 290 | + sockaddr.sin_family = AF_INET; | |
| 291 | + sockaddr.sin_port = htons(TESTPORT); | |
| 292 | + sockaddr.sin_addr.s_addr = 0; | |
| 293 | + chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); | |
| 294 | + chk_error(listen(fd, 0)); | |
| 295 | + return fd; | |
| 296 | + | |
| 297 | +} | |
| 298 | + | |
| 299 | +int client_socket(void) | |
| 300 | +{ | |
| 301 | + int fd; | |
| 302 | + struct sockaddr_in sockaddr; | |
| 303 | + | |
| 304 | + /* server socket */ | |
| 305 | + fd = chk_error(socket(PF_INET, SOCK_STREAM, 0)); | |
| 306 | + sockaddr.sin_family = AF_INET; | |
| 307 | + sockaddr.sin_port = htons(TESTPORT); | |
| 308 | + inet_aton("127.0.0.1", &sockaddr.sin_addr); | |
| 309 | + chk_error(connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); | |
| 310 | + return fd; | |
| 311 | +} | |
| 312 | + | |
| 313 | +const char socket_msg[] = "hello socket\n"; | |
| 314 | + | |
| 315 | +void test_socket(void) | |
| 316 | +{ | |
| 317 | + int server_fd, client_fd, fd, pid, ret; | |
| 318 | + struct sockaddr_in sockaddr; | |
| 319 | + socklen_t len; | |
| 320 | + char buf[512]; | |
| 321 | + | |
| 322 | + server_fd = server_socket(); | |
| 323 | + pid = chk_error(fork()); | |
| 324 | + if (pid == 0) { | |
| 325 | + client_fd = client_socket(); | |
| 326 | + send(client_fd, socket_msg, sizeof(socket_msg), 0); | |
| 327 | + close(client_fd); | |
| 328 | + exit(0); | |
| 329 | + } | |
| 330 | + len = sizeof(sockaddr); | |
| 331 | + fd = chk_error(accept(server_fd, (struct sockaddr *)&sockaddr, &len)); | |
| 332 | + | |
| 333 | + ret = chk_error(recv(fd, buf, sizeof(buf), 0)); | |
| 334 | + if (ret != sizeof(socket_msg)) | |
| 335 | + error("recv"); | |
| 336 | + if (memcmp(buf, socket_msg, sizeof(socket_msg)) != 0) | |
| 337 | + error("socket_msg"); | |
| 338 | + chk_error(close(fd)); | |
| 339 | + chk_error(close(server_fd)); | |
| 340 | +} | |
| 341 | + | |
| 342 | +#define WCOUNT_MAX 512 | |
| 343 | + | |
| 344 | +void test_pipe(void) | |
| 345 | +{ | |
| 346 | + fd_set rfds, wfds; | |
| 347 | + int fds[2], fd_max, ret; | |
| 348 | + uint8_t ch; | |
| 349 | + int wcount, rcount; | |
| 350 | + | |
| 351 | + chk_error(pipe(fds)); | |
| 352 | + chk_error(fcntl(fds[0], F_SETFL, O_NONBLOCK)); | |
| 353 | + chk_error(fcntl(fds[1], F_SETFL, O_NONBLOCK)); | |
| 354 | + wcount = 0; | |
| 355 | + rcount = 0; | |
| 356 | + for(;;) { | |
| 357 | + FD_ZERO(&rfds); | |
| 358 | + fd_max = fds[0]; | |
| 359 | + FD_SET(fds[0], &rfds); | |
| 360 | + | |
| 361 | + FD_ZERO(&wfds); | |
| 362 | + FD_SET(fds[1], &wfds); | |
| 363 | + if (fds[1] > fd_max) | |
| 364 | + fd_max = fds[1]; | |
| 365 | + | |
| 366 | + ret = chk_error(select(fd_max + 1, &rfds, &wfds, NULL, NULL)); | |
| 367 | + if (ret > 0) { | |
| 368 | + if (FD_ISSET(fds[0], &rfds)) { | |
| 369 | + chk_error(read(fds[0], &ch, 1)); | |
| 370 | + rcount++; | |
| 371 | + if (rcount >= WCOUNT_MAX) | |
| 372 | + break; | |
| 373 | + } | |
| 374 | + if (FD_ISSET(fds[1], &wfds)) { | |
| 375 | + ch = 'a'; | |
| 376 | + chk_error(write(fds[0], &ch, 1)); | |
| 377 | + wcount++; | |
| 378 | + } | |
| 379 | + } | |
| 380 | + } | |
| 381 | + chk_error(close(fds[0])); | |
| 382 | + chk_error(close(fds[1])); | |
| 383 | +} | |
| 384 | + | |
| 385 | +int thread1_res; | |
| 386 | +int thread2_res; | |
| 387 | + | |
| 388 | +int thread1_func(void *arg) | |
| 389 | +{ | |
| 390 | + int i; | |
| 391 | + for(i=0;i<5;i++) { | |
| 392 | + thread1_res++; | |
| 393 | + usleep(10 * 1000); | |
| 394 | + } | |
| 395 | + return 0; | |
| 396 | +} | |
| 397 | + | |
| 398 | +int thread2_func(void *arg) | |
| 399 | +{ | |
| 400 | + int i; | |
| 401 | + for(i=0;i<6;i++) { | |
| 402 | + thread2_res++; | |
| 403 | + usleep(10 * 1000); | |
| 404 | + } | |
| 405 | + return 0; | |
| 406 | +} | |
| 407 | + | |
| 408 | +void test_clone(void) | |
| 409 | +{ | |
| 410 | + uint8_t *stack1, *stack2; | |
| 411 | + int pid1, pid2, status1, status2; | |
| 412 | + | |
| 413 | + stack1 = malloc(STACK_SIZE); | |
| 414 | + pid1 = chk_error(clone(thread1_func, stack1 + STACK_SIZE, | |
| 415 | + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1")); | |
| 416 | + | |
| 417 | + stack2 = malloc(STACK_SIZE); | |
| 418 | + pid2 = chk_error(clone(thread2_func, stack2 + STACK_SIZE, | |
| 419 | + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2")); | |
| 420 | + | |
| 421 | + while (waitpid(pid1, &status1, 0) != pid1); | |
| 422 | + while (waitpid(pid2, &status2, 0) != pid2); | |
| 423 | + if (thread1_res != 5 || | |
| 424 | + thread2_res != 6) | |
| 425 | + error("clone"); | |
| 426 | +} | |
| 427 | + | |
| 428 | +/***********************************/ | |
| 429 | + | |
| 430 | +volatile int alarm_count; | |
| 431 | +jmp_buf jmp_env; | |
| 432 | + | |
| 433 | +void sig_alarm(int sig) | |
| 434 | +{ | |
| 435 | + if (sig != SIGALRM) | |
| 436 | + error("signal"); | |
| 437 | + alarm_count++; | |
| 438 | +} | |
| 439 | + | |
| 440 | +void sig_segv(int sig, siginfo_t *info, void *puc) | |
| 441 | +{ | |
| 442 | + if (sig != SIGSEGV) | |
| 443 | + error("signal"); | |
| 444 | + longjmp(jmp_env, 1); | |
| 445 | +} | |
| 446 | + | |
| 447 | +void test_signal(void) | |
| 448 | +{ | |
| 449 | + struct sigaction act; | |
| 450 | + struct itimerval it, oit; | |
| 451 | + | |
| 452 | + /* timer test */ | |
| 453 | + | |
| 454 | + alarm_count = 0; | |
| 455 | + | |
| 456 | + act.sa_handler = sig_alarm; | |
| 457 | + sigemptyset(&act.sa_mask); | |
| 458 | + act.sa_flags = 0; | |
| 459 | + chk_error(sigaction(SIGALRM, &act, NULL)); | |
| 460 | + | |
| 461 | + it.it_interval.tv_sec = 0; | |
| 462 | + it.it_interval.tv_usec = 10 * 1000; | |
| 463 | + it.it_value.tv_sec = 0; | |
| 464 | + it.it_value.tv_usec = 10 * 1000; | |
| 465 | + chk_error(setitimer(ITIMER_REAL, &it, NULL)); | |
| 466 | + chk_error(getitimer(ITIMER_REAL, &oit)); | |
| 467 | + if (oit.it_value.tv_sec != it.it_value.tv_sec || | |
| 468 | + oit.it_value.tv_usec != it.it_value.tv_usec) | |
| 469 | + error("itimer"); | |
| 470 | + | |
| 471 | + while (alarm_count < 5) { | |
| 472 | + usleep(10 * 1000); | |
| 473 | + } | |
| 474 | + | |
| 475 | + it.it_interval.tv_sec = 0; | |
| 476 | + it.it_interval.tv_usec = 0; | |
| 477 | + it.it_value.tv_sec = 0; | |
| 478 | + it.it_value.tv_usec = 0; | |
| 479 | + memset(&oit, 0xff, sizeof(oit)); | |
| 480 | + chk_error(setitimer(ITIMER_REAL, &it, &oit)); | |
| 481 | + if (oit.it_value.tv_sec != 0 || | |
| 482 | + oit.it_value.tv_usec != 10 * 1000) | |
| 483 | + error("setitimer"); | |
| 484 | + | |
| 485 | + /* SIGSEGV test */ | |
| 486 | + act.sa_sigaction = sig_segv; | |
| 487 | + sigemptyset(&act.sa_mask); | |
| 488 | + act.sa_flags = SA_SIGINFO; | |
| 489 | + chk_error(sigaction(SIGSEGV, &act, NULL)); | |
| 490 | + if (setjmp(jmp_env) == 0) { | |
| 491 | + *(uint8_t *)0 = 0; | |
| 492 | + } | |
| 493 | + | |
| 494 | + act.sa_handler = SIG_DFL; | |
| 495 | + sigemptyset(&act.sa_mask); | |
| 496 | + act.sa_flags = 0; | |
| 497 | + chk_error(sigaction(SIGSEGV, &act, NULL)); | |
| 498 | +} | |
| 499 | + | |
| 500 | +int main(int argc, char **argv) | |
| 501 | +{ | |
| 502 | + file_test(); | |
| 503 | + test_fork(); | |
| 504 | + test_time(); | |
| 505 | + test_socket(); | |
| 506 | + test_clone(); | |
| 507 | + test_signal(); | |
| 508 | + return 0; | |
| 509 | +} | |
| 510 | + | ... | ... |