root / tests / linux-test.c @ c5d6edc3
History | View | Annotate | Download (12.8 kB)
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 |
#include <sys/shm.h> |
42 |
|
43 |
#define TESTPATH "/tmp/linux-test.tmp" |
44 |
#define TESTPORT 7654 |
45 |
#define STACK_SIZE 16384 |
46 |
|
47 |
void error1(const char *filename, int line, const char *fmt, ...) |
48 |
{ |
49 |
va_list ap; |
50 |
va_start(ap, fmt); |
51 |
fprintf(stderr, "%s:%d: ", filename, line);
|
52 |
vfprintf(stderr, fmt, ap); |
53 |
fprintf(stderr, "\n");
|
54 |
va_end(ap); |
55 |
exit(1);
|
56 |
} |
57 |
|
58 |
int __chk_error(const char *filename, int line, int ret) |
59 |
{ |
60 |
if (ret < 0) { |
61 |
error1(filename, line, "%m (ret=%d, errno=%d)",
|
62 |
ret, errno); |
63 |
} |
64 |
return ret;
|
65 |
} |
66 |
|
67 |
#define error(fmt, args...) error1(__FILE__, __LINE__, fmt, ##args) |
68 |
|
69 |
#define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret))
|
70 |
|
71 |
/*******************************************************/
|
72 |
|
73 |
#define FILE_BUF_SIZE 300 |
74 |
|
75 |
void test_file(void) |
76 |
{ |
77 |
int fd, i, len, ret;
|
78 |
uint8_t buf[FILE_BUF_SIZE]; |
79 |
uint8_t buf2[FILE_BUF_SIZE]; |
80 |
uint8_t buf3[FILE_BUF_SIZE]; |
81 |
char cur_dir[1024]; |
82 |
struct stat st;
|
83 |
struct utimbuf tbuf;
|
84 |
struct iovec vecs[2]; |
85 |
DIR *dir; |
86 |
struct dirent *de;
|
87 |
|
88 |
/* clean up, just in case */
|
89 |
unlink(TESTPATH "/file1");
|
90 |
unlink(TESTPATH "/file2");
|
91 |
unlink(TESTPATH "/file3");
|
92 |
rmdir(TESTPATH); |
93 |
|
94 |
if (getcwd(cur_dir, sizeof(cur_dir)) == NULL) |
95 |
error("getcwd");
|
96 |
|
97 |
chk_error(mkdir(TESTPATH, 0755));
|
98 |
|
99 |
chk_error(chdir(TESTPATH)); |
100 |
|
101 |
/* open/read/write/close/readv/writev/lseek */
|
102 |
|
103 |
fd = chk_error(open("file1", O_WRONLY | O_TRUNC | O_CREAT, 0644)); |
104 |
for(i=0;i < FILE_BUF_SIZE; i++) |
105 |
buf[i] = i; |
106 |
len = chk_error(write(fd, buf, FILE_BUF_SIZE / 2));
|
107 |
if (len != (FILE_BUF_SIZE / 2)) |
108 |
error("write");
|
109 |
vecs[0].iov_base = buf + (FILE_BUF_SIZE / 2); |
110 |
vecs[0].iov_len = 16; |
111 |
vecs[1].iov_base = buf + (FILE_BUF_SIZE / 2) + 16; |
112 |
vecs[1].iov_len = (FILE_BUF_SIZE / 2) - 16; |
113 |
len = chk_error(writev(fd, vecs, 2));
|
114 |
if (len != (FILE_BUF_SIZE / 2)) |
115 |
error("writev");
|
116 |
chk_error(close(fd)); |
117 |
|
118 |
chk_error(rename("file1", "file2")); |
119 |
|
120 |
fd = chk_error(open("file2", O_RDONLY));
|
121 |
|
122 |
len = chk_error(read(fd, buf2, FILE_BUF_SIZE)); |
123 |
if (len != FILE_BUF_SIZE)
|
124 |
error("read");
|
125 |
if (memcmp(buf, buf2, FILE_BUF_SIZE) != 0) |
126 |
error("memcmp");
|
127 |
|
128 |
#define FOFFSET 16 |
129 |
ret = chk_error(lseek(fd, FOFFSET, SEEK_SET)); |
130 |
if (ret != 16) |
131 |
error("lseek");
|
132 |
vecs[0].iov_base = buf3;
|
133 |
vecs[0].iov_len = 32; |
134 |
vecs[1].iov_base = buf3 + 32; |
135 |
vecs[1].iov_len = FILE_BUF_SIZE - FOFFSET - 32; |
136 |
len = chk_error(readv(fd, vecs, 2));
|
137 |
if (len != FILE_BUF_SIZE - FOFFSET)
|
138 |
error("readv");
|
139 |
if (memcmp(buf + FOFFSET, buf3, FILE_BUF_SIZE - FOFFSET) != 0) |
140 |
error("memcmp");
|
141 |
|
142 |
chk_error(close(fd)); |
143 |
|
144 |
/* access */
|
145 |
chk_error(access("file2", R_OK));
|
146 |
|
147 |
/* stat/chmod/utime/truncate */
|
148 |
|
149 |
chk_error(chmod("file2", 0600)); |
150 |
tbuf.actime = 1001;
|
151 |
tbuf.modtime = 1000;
|
152 |
chk_error(truncate("file2", 100)); |
153 |
chk_error(utime("file2", &tbuf));
|
154 |
chk_error(stat("file2", &st));
|
155 |
if (st.st_size != 100) |
156 |
error("stat size");
|
157 |
if (!S_ISREG(st.st_mode))
|
158 |
error("stat mode");
|
159 |
if ((st.st_mode & 0777) != 0600) |
160 |
error("stat mode2");
|
161 |
if (st.st_atime != 1001 || |
162 |
st.st_mtime != 1000)
|
163 |
error("stat time");
|
164 |
|
165 |
chk_error(stat(TESTPATH, &st)); |
166 |
if (!S_ISDIR(st.st_mode))
|
167 |
error("stat mode");
|
168 |
|
169 |
/* fstat */
|
170 |
fd = chk_error(open("file2", O_RDWR));
|
171 |
chk_error(ftruncate(fd, 50));
|
172 |
chk_error(fstat(fd, &st)); |
173 |
chk_error(close(fd)); |
174 |
|
175 |
if (st.st_size != 50) |
176 |
error("stat size");
|
177 |
if (!S_ISREG(st.st_mode))
|
178 |
error("stat mode");
|
179 |
|
180 |
/* symlink/lstat */
|
181 |
chk_error(symlink("file2", "file3")); |
182 |
chk_error(lstat("file3", &st));
|
183 |
if (!S_ISLNK(st.st_mode))
|
184 |
error("stat mode");
|
185 |
|
186 |
/* getdents */
|
187 |
dir = opendir(TESTPATH); |
188 |
if (!dir)
|
189 |
error("opendir");
|
190 |
len = 0;
|
191 |
for(;;) {
|
192 |
de = readdir(dir); |
193 |
if (!de)
|
194 |
break;
|
195 |
if (strcmp(de->d_name, ".") != 0 && |
196 |
strcmp(de->d_name, "..") != 0 && |
197 |
strcmp(de->d_name, "file2") != 0 && |
198 |
strcmp(de->d_name, "file3") != 0) |
199 |
error("readdir");
|
200 |
len++; |
201 |
} |
202 |
closedir(dir); |
203 |
if (len != 4) |
204 |
error("readdir");
|
205 |
|
206 |
chk_error(unlink("file3"));
|
207 |
chk_error(unlink("file2"));
|
208 |
chk_error(chdir(cur_dir)); |
209 |
chk_error(rmdir(TESTPATH)); |
210 |
} |
211 |
|
212 |
void test_fork(void) |
213 |
{ |
214 |
int pid, status;
|
215 |
|
216 |
pid = chk_error(fork()); |
217 |
if (pid == 0) { |
218 |
/* child */
|
219 |
exit(2);
|
220 |
} |
221 |
chk_error(waitpid(pid, &status, 0));
|
222 |
if (!WIFEXITED(status) || WEXITSTATUS(status) != 2) |
223 |
error("waitpid status=0x%x", status);
|
224 |
} |
225 |
|
226 |
void test_time(void) |
227 |
{ |
228 |
struct timeval tv, tv2;
|
229 |
struct timespec ts, rem;
|
230 |
struct rusage rusg1, rusg2;
|
231 |
int ti, i;
|
232 |
|
233 |
chk_error(gettimeofday(&tv, NULL));
|
234 |
rem.tv_sec = 1;
|
235 |
ts.tv_sec = 0;
|
236 |
ts.tv_nsec = 20 * 1000000; |
237 |
chk_error(nanosleep(&ts, &rem)); |
238 |
if (rem.tv_sec != 1) |
239 |
error("nanosleep");
|
240 |
chk_error(gettimeofday(&tv2, NULL));
|
241 |
ti = tv2.tv_sec - tv.tv_sec; |
242 |
if (ti >= 2) |
243 |
error("gettimeofday");
|
244 |
|
245 |
chk_error(getrusage(RUSAGE_SELF, &rusg1)); |
246 |
for(i = 0;i < 10000; i++); |
247 |
chk_error(getrusage(RUSAGE_SELF, &rusg2)); |
248 |
if ((rusg2.ru_utime.tv_sec - rusg1.ru_utime.tv_sec) < 0 || |
249 |
(rusg2.ru_stime.tv_sec - rusg1.ru_stime.tv_sec) < 0)
|
250 |
error("getrusage");
|
251 |
} |
252 |
|
253 |
void pstrcpy(char *buf, int buf_size, const char *str) |
254 |
{ |
255 |
int c;
|
256 |
char *q = buf;
|
257 |
|
258 |
if (buf_size <= 0) |
259 |
return;
|
260 |
|
261 |
for(;;) {
|
262 |
c = *str++; |
263 |
if (c == 0 || q >= buf + buf_size - 1) |
264 |
break;
|
265 |
*q++ = c; |
266 |
} |
267 |
*q = '\0';
|
268 |
} |
269 |
|
270 |
/* strcat and truncate. */
|
271 |
char *pstrcat(char *buf, int buf_size, const char *s) |
272 |
{ |
273 |
int len;
|
274 |
len = strlen(buf); |
275 |
if (len < buf_size)
|
276 |
pstrcpy(buf + len, buf_size - len, s); |
277 |
return buf;
|
278 |
} |
279 |
|
280 |
int server_socket(void) |
281 |
{ |
282 |
int val, fd;
|
283 |
struct sockaddr_in sockaddr;
|
284 |
|
285 |
/* server socket */
|
286 |
fd = chk_error(socket(PF_INET, SOCK_STREAM, 0));
|
287 |
|
288 |
val = 1;
|
289 |
chk_error(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)));
|
290 |
|
291 |
sockaddr.sin_family = AF_INET; |
292 |
sockaddr.sin_port = htons(TESTPORT); |
293 |
sockaddr.sin_addr.s_addr = 0;
|
294 |
chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); |
295 |
chk_error(listen(fd, 0));
|
296 |
return fd;
|
297 |
|
298 |
} |
299 |
|
300 |
int client_socket(void) |
301 |
{ |
302 |
int fd;
|
303 |
struct sockaddr_in sockaddr;
|
304 |
|
305 |
/* server socket */
|
306 |
fd = chk_error(socket(PF_INET, SOCK_STREAM, 0));
|
307 |
sockaddr.sin_family = AF_INET; |
308 |
sockaddr.sin_port = htons(TESTPORT); |
309 |
inet_aton("127.0.0.1", &sockaddr.sin_addr);
|
310 |
chk_error(connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); |
311 |
return fd;
|
312 |
} |
313 |
|
314 |
const char socket_msg[] = "hello socket\n"; |
315 |
|
316 |
void test_socket(void) |
317 |
{ |
318 |
int server_fd, client_fd, fd, pid, ret, val;
|
319 |
struct sockaddr_in sockaddr;
|
320 |
socklen_t len; |
321 |
char buf[512]; |
322 |
|
323 |
server_fd = server_socket(); |
324 |
|
325 |
/* test a few socket options */
|
326 |
len = sizeof(val);
|
327 |
chk_error(getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &val, &len)); |
328 |
if (val != SOCK_STREAM)
|
329 |
error("getsockopt");
|
330 |
|
331 |
pid = chk_error(fork()); |
332 |
if (pid == 0) { |
333 |
client_fd = client_socket(); |
334 |
send(client_fd, socket_msg, sizeof(socket_msg), 0); |
335 |
close(client_fd); |
336 |
exit(0);
|
337 |
} |
338 |
len = sizeof(sockaddr);
|
339 |
fd = chk_error(accept(server_fd, (struct sockaddr *)&sockaddr, &len));
|
340 |
|
341 |
ret = chk_error(recv(fd, buf, sizeof(buf), 0)); |
342 |
if (ret != sizeof(socket_msg)) |
343 |
error("recv");
|
344 |
if (memcmp(buf, socket_msg, sizeof(socket_msg)) != 0) |
345 |
error("socket_msg");
|
346 |
chk_error(close(fd)); |
347 |
chk_error(close(server_fd)); |
348 |
} |
349 |
|
350 |
#define WCOUNT_MAX 512 |
351 |
|
352 |
void test_pipe(void) |
353 |
{ |
354 |
fd_set rfds, wfds; |
355 |
int fds[2], fd_max, ret; |
356 |
uint8_t ch; |
357 |
int wcount, rcount;
|
358 |
|
359 |
chk_error(pipe(fds)); |
360 |
chk_error(fcntl(fds[0], F_SETFL, O_NONBLOCK));
|
361 |
chk_error(fcntl(fds[1], F_SETFL, O_NONBLOCK));
|
362 |
wcount = 0;
|
363 |
rcount = 0;
|
364 |
for(;;) {
|
365 |
FD_ZERO(&rfds); |
366 |
fd_max = fds[0];
|
367 |
FD_SET(fds[0], &rfds);
|
368 |
|
369 |
FD_ZERO(&wfds); |
370 |
FD_SET(fds[1], &wfds);
|
371 |
if (fds[1] > fd_max) |
372 |
fd_max = fds[1];
|
373 |
|
374 |
ret = chk_error(select(fd_max + 1, &rfds, &wfds, NULL, NULL)); |
375 |
if (ret > 0) { |
376 |
if (FD_ISSET(fds[0], &rfds)) { |
377 |
chk_error(read(fds[0], &ch, 1)); |
378 |
rcount++; |
379 |
if (rcount >= WCOUNT_MAX)
|
380 |
break;
|
381 |
} |
382 |
if (FD_ISSET(fds[1], &wfds)) { |
383 |
ch = 'a';
|
384 |
chk_error(write(fds[0], &ch, 1)); |
385 |
wcount++; |
386 |
} |
387 |
} |
388 |
} |
389 |
chk_error(close(fds[0]));
|
390 |
chk_error(close(fds[1]));
|
391 |
} |
392 |
|
393 |
int thread1_res;
|
394 |
int thread2_res;
|
395 |
|
396 |
int thread1_func(void *arg) |
397 |
{ |
398 |
int i;
|
399 |
for(i=0;i<5;i++) { |
400 |
thread1_res++; |
401 |
usleep(10 * 1000); |
402 |
} |
403 |
return 0; |
404 |
} |
405 |
|
406 |
int thread2_func(void *arg) |
407 |
{ |
408 |
int i;
|
409 |
for(i=0;i<6;i++) { |
410 |
thread2_res++; |
411 |
usleep(10 * 1000); |
412 |
} |
413 |
return 0; |
414 |
} |
415 |
|
416 |
void test_clone(void) |
417 |
{ |
418 |
uint8_t *stack1, *stack2; |
419 |
int pid1, pid2, status1, status2;
|
420 |
|
421 |
stack1 = malloc(STACK_SIZE); |
422 |
pid1 = chk_error(clone(thread1_func, stack1 + STACK_SIZE, |
423 |
CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1"));
|
424 |
|
425 |
stack2 = malloc(STACK_SIZE); |
426 |
pid2 = chk_error(clone(thread2_func, stack2 + STACK_SIZE, |
427 |
CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2"));
|
428 |
|
429 |
while (waitpid(pid1, &status1, 0) != pid1); |
430 |
while (waitpid(pid2, &status2, 0) != pid2); |
431 |
if (thread1_res != 5 || |
432 |
thread2_res != 6)
|
433 |
error("clone");
|
434 |
} |
435 |
|
436 |
/***********************************/
|
437 |
|
438 |
volatile int alarm_count; |
439 |
jmp_buf jmp_env; |
440 |
|
441 |
void sig_alarm(int sig) |
442 |
{ |
443 |
if (sig != SIGALRM)
|
444 |
error("signal");
|
445 |
alarm_count++; |
446 |
} |
447 |
|
448 |
void sig_segv(int sig, siginfo_t *info, void *puc) |
449 |
{ |
450 |
if (sig != SIGSEGV)
|
451 |
error("signal");
|
452 |
longjmp(jmp_env, 1);
|
453 |
} |
454 |
|
455 |
void test_signal(void) |
456 |
{ |
457 |
struct sigaction act;
|
458 |
struct itimerval it, oit;
|
459 |
|
460 |
/* timer test */
|
461 |
|
462 |
alarm_count = 0;
|
463 |
|
464 |
act.sa_handler = sig_alarm; |
465 |
sigemptyset(&act.sa_mask); |
466 |
act.sa_flags = 0;
|
467 |
chk_error(sigaction(SIGALRM, &act, NULL));
|
468 |
|
469 |
it.it_interval.tv_sec = 0;
|
470 |
it.it_interval.tv_usec = 10 * 1000; |
471 |
it.it_value.tv_sec = 0;
|
472 |
it.it_value.tv_usec = 10 * 1000; |
473 |
chk_error(setitimer(ITIMER_REAL, &it, NULL));
|
474 |
chk_error(getitimer(ITIMER_REAL, &oit)); |
475 |
if (oit.it_value.tv_sec != it.it_value.tv_sec ||
|
476 |
oit.it_value.tv_usec != it.it_value.tv_usec) |
477 |
error("itimer");
|
478 |
|
479 |
while (alarm_count < 5) { |
480 |
usleep(10 * 1000); |
481 |
} |
482 |
|
483 |
it.it_interval.tv_sec = 0;
|
484 |
it.it_interval.tv_usec = 0;
|
485 |
it.it_value.tv_sec = 0;
|
486 |
it.it_value.tv_usec = 0;
|
487 |
memset(&oit, 0xff, sizeof(oit)); |
488 |
chk_error(setitimer(ITIMER_REAL, &it, &oit)); |
489 |
if (oit.it_value.tv_sec != 0 || |
490 |
oit.it_value.tv_usec != 10 * 1000) |
491 |
error("setitimer");
|
492 |
|
493 |
/* SIGSEGV test */
|
494 |
act.sa_sigaction = sig_segv; |
495 |
sigemptyset(&act.sa_mask); |
496 |
act.sa_flags = SA_SIGINFO; |
497 |
chk_error(sigaction(SIGSEGV, &act, NULL));
|
498 |
if (setjmp(jmp_env) == 0) { |
499 |
*(uint8_t *)0 = 0; |
500 |
} |
501 |
|
502 |
act.sa_handler = SIG_DFL; |
503 |
sigemptyset(&act.sa_mask); |
504 |
act.sa_flags = 0;
|
505 |
chk_error(sigaction(SIGSEGV, &act, NULL));
|
506 |
} |
507 |
|
508 |
#define SHM_SIZE 32768 |
509 |
|
510 |
void test_shm(void) |
511 |
{ |
512 |
void *ptr;
|
513 |
int shmid;
|
514 |
|
515 |
shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777));
|
516 |
ptr = shmat(shmid, NULL, 0); |
517 |
if (!ptr)
|
518 |
error("shmat");
|
519 |
|
520 |
memset(ptr, 0, SHM_SIZE);
|
521 |
|
522 |
chk_error(shmctl(shmid, IPC_RMID, 0));
|
523 |
chk_error(shmdt(ptr)); |
524 |
} |
525 |
|
526 |
int main(int argc, char **argv) |
527 |
{ |
528 |
test_file(); |
529 |
test_fork(); |
530 |
test_time(); |
531 |
test_socket(); |
532 |
// test_clone();
|
533 |
test_signal(); |
534 |
test_shm(); |
535 |
return 0; |
536 |
} |