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1.1 root 1: /*
2: * linux and CPU test
1.1.1.2 root 3: *
1.1 root 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
1.1.1.3 ! root 18: * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
! 19: * MA 02110-1301, USA.
1.1 root 20: */
21: #include <stdarg.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <unistd.h>
25: #include <fcntl.h>
26: #include <inttypes.h>
27: #include <string.h>
28: #include <sys/types.h>
29: #include <sys/stat.h>
30: #include <sys/wait.h>
31: #include <errno.h>
32: #include <utime.h>
33: #include <time.h>
34: #include <sys/time.h>
35: #include <sys/uio.h>
36: #include <sys/socket.h>
37: #include <netinet/in.h>
38: #include <arpa/inet.h>
39: #include <sched.h>
40: #include <dirent.h>
41: #include <setjmp.h>
42: #include <sys/shm.h>
43:
44: #define TESTPATH "/tmp/linux-test.tmp"
45: #define TESTPORT 7654
46: #define STACK_SIZE 16384
47:
48: void error1(const char *filename, int line, const char *fmt, ...)
49: {
50: va_list ap;
51: va_start(ap, fmt);
52: fprintf(stderr, "%s:%d: ", filename, line);
53: vfprintf(stderr, fmt, ap);
54: fprintf(stderr, "\n");
55: va_end(ap);
56: exit(1);
57: }
58:
59: int __chk_error(const char *filename, int line, int ret)
60: {
61: if (ret < 0) {
1.1.1.2 root 62: error1(filename, line, "%m (ret=%d, errno=%d)",
1.1 root 63: ret, errno);
64: }
65: return ret;
66: }
67:
68: #define error(fmt, args...) error1(__FILE__, __LINE__, fmt, ##args)
69:
70: #define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret))
71:
72: /*******************************************************/
73:
74: #define FILE_BUF_SIZE 300
75:
76: void test_file(void)
77: {
78: int fd, i, len, ret;
79: uint8_t buf[FILE_BUF_SIZE];
80: uint8_t buf2[FILE_BUF_SIZE];
81: uint8_t buf3[FILE_BUF_SIZE];
82: char cur_dir[1024];
83: struct stat st;
84: struct utimbuf tbuf;
85: struct iovec vecs[2];
86: DIR *dir;
87: struct dirent *de;
88:
89: /* clean up, just in case */
90: unlink(TESTPATH "/file1");
91: unlink(TESTPATH "/file2");
92: unlink(TESTPATH "/file3");
93: rmdir(TESTPATH);
94:
95: if (getcwd(cur_dir, sizeof(cur_dir)) == NULL)
96: error("getcwd");
1.1.1.2 root 97:
1.1 root 98: chk_error(mkdir(TESTPATH, 0755));
1.1.1.2 root 99:
1.1 root 100: chk_error(chdir(TESTPATH));
1.1.1.2 root 101:
1.1 root 102: /* open/read/write/close/readv/writev/lseek */
103:
104: fd = chk_error(open("file1", O_WRONLY | O_TRUNC | O_CREAT, 0644));
105: for(i=0;i < FILE_BUF_SIZE; i++)
106: buf[i] = i;
107: len = chk_error(write(fd, buf, FILE_BUF_SIZE / 2));
108: if (len != (FILE_BUF_SIZE / 2))
109: error("write");
110: vecs[0].iov_base = buf + (FILE_BUF_SIZE / 2);
111: vecs[0].iov_len = 16;
112: vecs[1].iov_base = buf + (FILE_BUF_SIZE / 2) + 16;
113: vecs[1].iov_len = (FILE_BUF_SIZE / 2) - 16;
114: len = chk_error(writev(fd, vecs, 2));
115: if (len != (FILE_BUF_SIZE / 2))
116: error("writev");
117: chk_error(close(fd));
118:
119: chk_error(rename("file1", "file2"));
120:
121: fd = chk_error(open("file2", O_RDONLY));
122:
123: len = chk_error(read(fd, buf2, FILE_BUF_SIZE));
124: if (len != FILE_BUF_SIZE)
125: error("read");
126: if (memcmp(buf, buf2, FILE_BUF_SIZE) != 0)
127: error("memcmp");
1.1.1.2 root 128:
1.1 root 129: #define FOFFSET 16
130: ret = chk_error(lseek(fd, FOFFSET, SEEK_SET));
131: if (ret != 16)
132: error("lseek");
133: vecs[0].iov_base = buf3;
134: vecs[0].iov_len = 32;
135: vecs[1].iov_base = buf3 + 32;
136: vecs[1].iov_len = FILE_BUF_SIZE - FOFFSET - 32;
137: len = chk_error(readv(fd, vecs, 2));
138: if (len != FILE_BUF_SIZE - FOFFSET)
139: error("readv");
140: if (memcmp(buf + FOFFSET, buf3, FILE_BUF_SIZE - FOFFSET) != 0)
141: error("memcmp");
1.1.1.2 root 142:
1.1 root 143: chk_error(close(fd));
144:
145: /* access */
146: chk_error(access("file2", R_OK));
147:
148: /* stat/chmod/utime/truncate */
149:
150: chk_error(chmod("file2", 0600));
151: tbuf.actime = 1001;
152: tbuf.modtime = 1000;
153: chk_error(truncate("file2", 100));
154: chk_error(utime("file2", &tbuf));
155: chk_error(stat("file2", &st));
156: if (st.st_size != 100)
157: error("stat size");
158: if (!S_ISREG(st.st_mode))
159: error("stat mode");
160: if ((st.st_mode & 0777) != 0600)
161: error("stat mode2");
162: if (st.st_atime != 1001 ||
163: st.st_mtime != 1000)
164: error("stat time");
165:
166: chk_error(stat(TESTPATH, &st));
167: if (!S_ISDIR(st.st_mode))
168: error("stat mode");
169:
170: /* fstat */
171: fd = chk_error(open("file2", O_RDWR));
172: chk_error(ftruncate(fd, 50));
173: chk_error(fstat(fd, &st));
174: chk_error(close(fd));
1.1.1.2 root 175:
1.1 root 176: if (st.st_size != 50)
177: error("stat size");
178: if (!S_ISREG(st.st_mode))
179: error("stat mode");
1.1.1.2 root 180:
1.1 root 181: /* symlink/lstat */
182: chk_error(symlink("file2", "file3"));
183: chk_error(lstat("file3", &st));
184: if (!S_ISLNK(st.st_mode))
185: error("stat mode");
1.1.1.2 root 186:
1.1 root 187: /* getdents */
188: dir = opendir(TESTPATH);
189: if (!dir)
190: error("opendir");
191: len = 0;
192: for(;;) {
193: de = readdir(dir);
194: if (!de)
195: break;
196: if (strcmp(de->d_name, ".") != 0 &&
197: strcmp(de->d_name, "..") != 0 &&
198: strcmp(de->d_name, "file2") != 0 &&
199: strcmp(de->d_name, "file3") != 0)
200: error("readdir");
201: len++;
202: }
203: closedir(dir);
204: if (len != 4)
205: error("readdir");
206:
207: chk_error(unlink("file3"));
208: chk_error(unlink("file2"));
209: chk_error(chdir(cur_dir));
210: chk_error(rmdir(TESTPATH));
211: }
212:
213: void test_fork(void)
214: {
215: int pid, status;
216:
217: pid = chk_error(fork());
218: if (pid == 0) {
219: /* child */
220: exit(2);
221: }
222: chk_error(waitpid(pid, &status, 0));
223: if (!WIFEXITED(status) || WEXITSTATUS(status) != 2)
224: error("waitpid status=0x%x", status);
225: }
226:
227: void test_time(void)
228: {
229: struct timeval tv, tv2;
230: struct timespec ts, rem;
231: struct rusage rusg1, rusg2;
232: int ti, i;
233:
234: chk_error(gettimeofday(&tv, NULL));
235: rem.tv_sec = 1;
236: ts.tv_sec = 0;
237: ts.tv_nsec = 20 * 1000000;
238: chk_error(nanosleep(&ts, &rem));
239: if (rem.tv_sec != 1)
240: error("nanosleep");
241: chk_error(gettimeofday(&tv2, NULL));
242: ti = tv2.tv_sec - tv.tv_sec;
243: if (ti >= 2)
244: error("gettimeofday");
1.1.1.2 root 245:
1.1 root 246: chk_error(getrusage(RUSAGE_SELF, &rusg1));
247: for(i = 0;i < 10000; i++);
248: chk_error(getrusage(RUSAGE_SELF, &rusg2));
249: if ((rusg2.ru_utime.tv_sec - rusg1.ru_utime.tv_sec) < 0 ||
250: (rusg2.ru_stime.tv_sec - rusg1.ru_stime.tv_sec) < 0)
251: error("getrusage");
252: }
253:
254: void pstrcpy(char *buf, int buf_size, const char *str)
255: {
256: int c;
257: char *q = buf;
258:
259: if (buf_size <= 0)
260: return;
261:
262: for(;;) {
263: c = *str++;
264: if (c == 0 || q >= buf + buf_size - 1)
265: break;
266: *q++ = c;
267: }
268: *q = '\0';
269: }
270:
271: /* strcat and truncate. */
272: char *pstrcat(char *buf, int buf_size, const char *s)
273: {
274: int len;
275: len = strlen(buf);
1.1.1.2 root 276: if (len < buf_size)
1.1 root 277: pstrcpy(buf + len, buf_size - len, s);
278: return buf;
279: }
280:
281: int server_socket(void)
282: {
283: int val, fd;
284: struct sockaddr_in sockaddr;
285:
286: /* server socket */
287: fd = chk_error(socket(PF_INET, SOCK_STREAM, 0));
288:
289: val = 1;
290: chk_error(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)));
291:
292: sockaddr.sin_family = AF_INET;
293: sockaddr.sin_port = htons(TESTPORT);
294: sockaddr.sin_addr.s_addr = 0;
295: chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr)));
296: chk_error(listen(fd, 0));
297: return fd;
298:
299: }
300:
301: int client_socket(void)
302: {
303: int fd;
304: struct sockaddr_in sockaddr;
305:
306: /* server socket */
307: fd = chk_error(socket(PF_INET, SOCK_STREAM, 0));
308: sockaddr.sin_family = AF_INET;
309: sockaddr.sin_port = htons(TESTPORT);
310: inet_aton("127.0.0.1", &sockaddr.sin_addr);
311: chk_error(connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr)));
312: return fd;
313: }
314:
315: const char socket_msg[] = "hello socket\n";
316:
317: void test_socket(void)
318: {
319: int server_fd, client_fd, fd, pid, ret, val;
320: struct sockaddr_in sockaddr;
321: socklen_t len;
322: char buf[512];
323:
324: server_fd = server_socket();
325:
326: /* test a few socket options */
327: len = sizeof(val);
328: chk_error(getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &val, &len));
329: if (val != SOCK_STREAM)
330: error("getsockopt");
1.1.1.2 root 331:
1.1 root 332: pid = chk_error(fork());
333: if (pid == 0) {
334: client_fd = client_socket();
335: send(client_fd, socket_msg, sizeof(socket_msg), 0);
336: close(client_fd);
337: exit(0);
338: }
339: len = sizeof(sockaddr);
340: fd = chk_error(accept(server_fd, (struct sockaddr *)&sockaddr, &len));
341:
342: ret = chk_error(recv(fd, buf, sizeof(buf), 0));
343: if (ret != sizeof(socket_msg))
344: error("recv");
345: if (memcmp(buf, socket_msg, sizeof(socket_msg)) != 0)
346: error("socket_msg");
347: chk_error(close(fd));
348: chk_error(close(server_fd));
349: }
350:
351: #define WCOUNT_MAX 512
352:
353: void test_pipe(void)
354: {
355: fd_set rfds, wfds;
356: int fds[2], fd_max, ret;
357: uint8_t ch;
358: int wcount, rcount;
359:
360: chk_error(pipe(fds));
361: chk_error(fcntl(fds[0], F_SETFL, O_NONBLOCK));
362: chk_error(fcntl(fds[1], F_SETFL, O_NONBLOCK));
363: wcount = 0;
364: rcount = 0;
365: for(;;) {
366: FD_ZERO(&rfds);
367: fd_max = fds[0];
368: FD_SET(fds[0], &rfds);
369:
370: FD_ZERO(&wfds);
371: FD_SET(fds[1], &wfds);
372: if (fds[1] > fd_max)
373: fd_max = fds[1];
374:
375: ret = chk_error(select(fd_max + 1, &rfds, &wfds, NULL, NULL));
376: if (ret > 0) {
377: if (FD_ISSET(fds[0], &rfds)) {
378: chk_error(read(fds[0], &ch, 1));
379: rcount++;
380: if (rcount >= WCOUNT_MAX)
381: break;
382: }
383: if (FD_ISSET(fds[1], &wfds)) {
384: ch = 'a';
385: chk_error(write(fds[0], &ch, 1));
386: wcount++;
387: }
388: }
389: }
390: chk_error(close(fds[0]));
391: chk_error(close(fds[1]));
392: }
393:
394: int thread1_res;
395: int thread2_res;
396:
397: int thread1_func(void *arg)
398: {
399: int i;
400: for(i=0;i<5;i++) {
401: thread1_res++;
402: usleep(10 * 1000);
403: }
404: return 0;
405: }
406:
407: int thread2_func(void *arg)
408: {
409: int i;
410: for(i=0;i<6;i++) {
411: thread2_res++;
412: usleep(10 * 1000);
413: }
414: return 0;
415: }
416:
417: void test_clone(void)
418: {
419: uint8_t *stack1, *stack2;
420: int pid1, pid2, status1, status2;
421:
422: stack1 = malloc(STACK_SIZE);
1.1.1.2 root 423: pid1 = chk_error(clone(thread1_func, stack1 + STACK_SIZE,
1.1 root 424: CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1"));
425:
426: stack2 = malloc(STACK_SIZE);
1.1.1.2 root 427: pid2 = chk_error(clone(thread2_func, stack2 + STACK_SIZE,
1.1 root 428: CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2"));
429:
430: while (waitpid(pid1, &status1, 0) != pid1);
431: while (waitpid(pid2, &status2, 0) != pid2);
432: if (thread1_res != 5 ||
433: thread2_res != 6)
434: error("clone");
435: }
436:
437: /***********************************/
438:
439: volatile int alarm_count;
440: jmp_buf jmp_env;
441:
442: void sig_alarm(int sig)
443: {
444: if (sig != SIGALRM)
445: error("signal");
446: alarm_count++;
447: }
448:
449: void sig_segv(int sig, siginfo_t *info, void *puc)
450: {
451: if (sig != SIGSEGV)
452: error("signal");
453: longjmp(jmp_env, 1);
454: }
455:
456: void test_signal(void)
457: {
458: struct sigaction act;
459: struct itimerval it, oit;
460:
461: /* timer test */
462:
463: alarm_count = 0;
464:
465: act.sa_handler = sig_alarm;
466: sigemptyset(&act.sa_mask);
467: act.sa_flags = 0;
468: chk_error(sigaction(SIGALRM, &act, NULL));
1.1.1.2 root 469:
1.1 root 470: it.it_interval.tv_sec = 0;
471: it.it_interval.tv_usec = 10 * 1000;
472: it.it_value.tv_sec = 0;
473: it.it_value.tv_usec = 10 * 1000;
474: chk_error(setitimer(ITIMER_REAL, &it, NULL));
475: chk_error(getitimer(ITIMER_REAL, &oit));
476: if (oit.it_value.tv_sec != it.it_value.tv_sec ||
477: oit.it_value.tv_usec != it.it_value.tv_usec)
478: error("itimer");
1.1.1.2 root 479:
1.1 root 480: while (alarm_count < 5) {
481: usleep(10 * 1000);
482: }
483:
484: it.it_interval.tv_sec = 0;
485: it.it_interval.tv_usec = 0;
486: it.it_value.tv_sec = 0;
487: it.it_value.tv_usec = 0;
488: memset(&oit, 0xff, sizeof(oit));
489: chk_error(setitimer(ITIMER_REAL, &it, &oit));
490: if (oit.it_value.tv_sec != 0 ||
491: oit.it_value.tv_usec != 10 * 1000)
492: error("setitimer");
493:
494: /* SIGSEGV test */
495: act.sa_sigaction = sig_segv;
496: sigemptyset(&act.sa_mask);
497: act.sa_flags = SA_SIGINFO;
498: chk_error(sigaction(SIGSEGV, &act, NULL));
499: if (setjmp(jmp_env) == 0) {
500: *(uint8_t *)0 = 0;
501: }
1.1.1.2 root 502:
1.1 root 503: act.sa_handler = SIG_DFL;
504: sigemptyset(&act.sa_mask);
505: act.sa_flags = 0;
506: chk_error(sigaction(SIGSEGV, &act, NULL));
507: }
508:
509: #define SHM_SIZE 32768
510:
511: void test_shm(void)
512: {
513: void *ptr;
514: int shmid;
515:
516: shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777));
517: ptr = shmat(shmid, NULL, 0);
518: if (!ptr)
519: error("shmat");
520:
521: memset(ptr, 0, SHM_SIZE);
522:
523: chk_error(shmctl(shmid, IPC_RMID, 0));
524: chk_error(shmdt(ptr));
525: }
526:
527: int main(int argc, char **argv)
528: {
529: test_file();
530: test_fork();
531: test_time();
532: test_socket();
533: // test_clone();
534: test_signal();
535: test_shm();
536: return 0;
537: }
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