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/*
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* linux and CPU test
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <inttypes.h> |
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#include <string.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <sys/wait.h> |
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#include <errno.h> |
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#include <utime.h> |
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#include <time.h> |
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#include <sys/time.h> |
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#include <sys/uio.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <arpa/inet.h> |
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#include <sched.h> |
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#include <dirent.h> |
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#include <setjmp.h> |
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#include <sys/shm.h> |
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#define TESTPATH "/tmp/linux-test.tmp" |
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#define TESTPORT 7654 |
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#define STACK_SIZE 16384 |
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void error1(const char *filename, int line, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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fprintf(stderr, "%s:%d: ", filename, line);
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vfprintf(stderr, fmt, ap); |
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fprintf(stderr, "\n");
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va_end(ap); |
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exit(1);
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} |
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int __chk_error(const char *filename, int line, int ret) |
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{ |
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if (ret < 0) { |
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error1(filename, line, "%m (ret=%d, errno=%d)",
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ret, errno); |
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} |
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return ret;
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} |
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#define error(fmt, args...) error1(__FILE__, __LINE__, fmt, ##args) |
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#define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret))
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/*******************************************************/
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#define FILE_BUF_SIZE 300 |
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void test_file(void) |
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{ |
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int fd, i, len, ret;
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uint8_t buf[FILE_BUF_SIZE]; |
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uint8_t buf2[FILE_BUF_SIZE]; |
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uint8_t buf3[FILE_BUF_SIZE]; |
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char cur_dir[1024]; |
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struct stat st;
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struct utimbuf tbuf;
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struct iovec vecs[2]; |
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DIR *dir; |
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struct dirent *de;
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/* clean up, just in case */
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unlink(TESTPATH "/file1");
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unlink(TESTPATH "/file2");
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unlink(TESTPATH "/file3");
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rmdir(TESTPATH); |
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if (getcwd(cur_dir, sizeof(cur_dir)) == NULL) |
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error("getcwd");
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chk_error(mkdir(TESTPATH, 0755));
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chk_error(chdir(TESTPATH)); |
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/* open/read/write/close/readv/writev/lseek */
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fd = chk_error(open("file1", O_WRONLY | O_TRUNC | O_CREAT, 0644)); |
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for(i=0;i < FILE_BUF_SIZE; i++) |
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buf[i] = i; |
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len = chk_error(write(fd, buf, FILE_BUF_SIZE / 2));
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if (len != (FILE_BUF_SIZE / 2)) |
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error("write");
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vecs[0].iov_base = buf + (FILE_BUF_SIZE / 2); |
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vecs[0].iov_len = 16; |
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vecs[1].iov_base = buf + (FILE_BUF_SIZE / 2) + 16; |
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vecs[1].iov_len = (FILE_BUF_SIZE / 2) - 16; |
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len = chk_error(writev(fd, vecs, 2));
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if (len != (FILE_BUF_SIZE / 2)) |
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error("writev");
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chk_error(close(fd)); |
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chk_error(rename("file1", "file2")); |
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fd = chk_error(open("file2", O_RDONLY));
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len = chk_error(read(fd, buf2, FILE_BUF_SIZE)); |
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if (len != FILE_BUF_SIZE)
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error("read");
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if (memcmp(buf, buf2, FILE_BUF_SIZE) != 0) |
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error("memcmp");
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#define FOFFSET 16 |
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ret = chk_error(lseek(fd, FOFFSET, SEEK_SET)); |
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if (ret != 16) |
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error("lseek");
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vecs[0].iov_base = buf3;
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vecs[0].iov_len = 32; |
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vecs[1].iov_base = buf3 + 32; |
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vecs[1].iov_len = FILE_BUF_SIZE - FOFFSET - 32; |
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len = chk_error(readv(fd, vecs, 2));
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if (len != FILE_BUF_SIZE - FOFFSET)
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error("readv");
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if (memcmp(buf + FOFFSET, buf3, FILE_BUF_SIZE - FOFFSET) != 0) |
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error("memcmp");
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chk_error(close(fd)); |
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/* access */
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chk_error(access("file2", R_OK));
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/* stat/chmod/utime/truncate */
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chk_error(chmod("file2", 0600)); |
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tbuf.actime = 1001;
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tbuf.modtime = 1000;
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chk_error(truncate("file2", 100)); |
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chk_error(utime("file2", &tbuf));
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chk_error(stat("file2", &st));
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if (st.st_size != 100) |
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error("stat size");
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if (!S_ISREG(st.st_mode))
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error("stat mode");
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if ((st.st_mode & 0777) != 0600) |
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error("stat mode2");
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if (st.st_atime != 1001 || |
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st.st_mtime != 1000)
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error("stat time");
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chk_error(stat(TESTPATH, &st)); |
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if (!S_ISDIR(st.st_mode))
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error("stat mode");
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/* fstat */
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fd = chk_error(open("file2", O_RDWR));
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chk_error(ftruncate(fd, 50));
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chk_error(fstat(fd, &st)); |
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chk_error(close(fd)); |
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if (st.st_size != 50) |
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error("stat size");
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if (!S_ISREG(st.st_mode))
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error("stat mode");
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/* symlink/lstat */
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chk_error(symlink("file2", "file3")); |
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chk_error(lstat("file3", &st));
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if (!S_ISLNK(st.st_mode))
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error("stat mode");
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/* getdents */
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dir = opendir(TESTPATH); |
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if (!dir)
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error("opendir");
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len = 0;
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for(;;) {
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de = readdir(dir); |
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if (!de)
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break;
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if (strcmp(de->d_name, ".") != 0 && |
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strcmp(de->d_name, "..") != 0 && |
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strcmp(de->d_name, "file2") != 0 && |
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strcmp(de->d_name, "file3") != 0) |
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error("readdir");
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len++; |
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} |
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closedir(dir); |
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if (len != 4) |
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error("readdir");
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chk_error(unlink("file3"));
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chk_error(unlink("file2"));
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chk_error(chdir(cur_dir)); |
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chk_error(rmdir(TESTPATH)); |
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} |
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void test_fork(void) |
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{ |
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int pid, status;
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pid = chk_error(fork()); |
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if (pid == 0) { |
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/* child */
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exit(2);
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} |
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chk_error(waitpid(pid, &status, 0));
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if (!WIFEXITED(status) || WEXITSTATUS(status) != 2) |
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error("waitpid status=0x%x", status);
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} |
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void test_time(void) |
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{ |
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struct timeval tv, tv2;
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struct timespec ts, rem;
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struct rusage rusg1, rusg2;
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int ti, i;
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chk_error(gettimeofday(&tv, NULL));
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rem.tv_sec = 1;
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ts.tv_sec = 0;
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ts.tv_nsec = 20 * 1000000; |
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chk_error(nanosleep(&ts, &rem)); |
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if (rem.tv_sec != 1) |
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error("nanosleep");
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chk_error(gettimeofday(&tv2, NULL));
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ti = tv2.tv_sec - tv.tv_sec; |
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if (ti >= 2) |
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error("gettimeofday");
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chk_error(getrusage(RUSAGE_SELF, &rusg1)); |
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for(i = 0;i < 10000; i++); |
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chk_error(getrusage(RUSAGE_SELF, &rusg2)); |
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if ((rusg2.ru_utime.tv_sec - rusg1.ru_utime.tv_sec) < 0 || |
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(rusg2.ru_stime.tv_sec - rusg1.ru_stime.tv_sec) < 0)
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error("getrusage");
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} |
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void pstrcpy(char *buf, int buf_size, const char *str) |
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{ |
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int c;
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char *q = buf;
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if (buf_size <= 0) |
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return;
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for(;;) {
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c = *str++; |
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if (c == 0 || q >= buf + buf_size - 1) |
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break;
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*q++ = c; |
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} |
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*q = '\0';
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} |
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/* strcat and truncate. */
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char *pstrcat(char *buf, int buf_size, const char *s) |
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{ |
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int len;
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len = strlen(buf); |
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if (len < buf_size)
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pstrcpy(buf + len, buf_size - len, s); |
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return buf;
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} |
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int server_socket(void) |
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{ |
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int val, fd;
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struct sockaddr_in sockaddr;
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/* server socket */
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fd = chk_error(socket(PF_INET, SOCK_STREAM, 0));
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val = 1;
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chk_error(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)));
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sockaddr.sin_family = AF_INET; |
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sockaddr.sin_port = htons(TESTPORT); |
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sockaddr.sin_addr.s_addr = 0;
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chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); |
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chk_error(listen(fd, 0));
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return fd;
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} |
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int client_socket(void) |
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{ |
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int fd;
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struct sockaddr_in sockaddr;
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/* server socket */
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fd = chk_error(socket(PF_INET, SOCK_STREAM, 0));
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sockaddr.sin_family = AF_INET; |
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sockaddr.sin_port = htons(TESTPORT); |
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inet_aton("127.0.0.1", &sockaddr.sin_addr);
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chk_error(connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); |
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return fd;
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} |
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const char socket_msg[] = "hello socket\n"; |
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void test_socket(void) |
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{ |
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int server_fd, client_fd, fd, pid, ret, val;
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struct sockaddr_in sockaddr;
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socklen_t len; |
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char buf[512]; |
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server_fd = server_socket(); |
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/* test a few socket options */
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len = sizeof(val);
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chk_error(getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &val, &len)); |
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if (val != SOCK_STREAM)
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error("getsockopt");
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pid = chk_error(fork()); |
333 |
if (pid == 0) { |
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client_fd = client_socket(); |
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send(client_fd, socket_msg, sizeof(socket_msg), 0); |
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close(client_fd); |
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exit(0);
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} |
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len = sizeof(sockaddr);
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fd = chk_error(accept(server_fd, (struct sockaddr *)&sockaddr, &len));
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ret = chk_error(recv(fd, buf, sizeof(buf), 0)); |
343 |
if (ret != sizeof(socket_msg)) |
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error("recv");
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if (memcmp(buf, socket_msg, sizeof(socket_msg)) != 0) |
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error("socket_msg");
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chk_error(close(fd)); |
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chk_error(close(server_fd)); |
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} |
350 |
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#define WCOUNT_MAX 512 |
352 |
|
353 |
void test_pipe(void) |
354 |
{ |
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fd_set rfds, wfds; |
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int fds[2], fd_max, ret; |
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uint8_t ch; |
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int wcount, rcount;
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chk_error(pipe(fds)); |
361 |
chk_error(fcntl(fds[0], F_SETFL, O_NONBLOCK));
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chk_error(fcntl(fds[1], F_SETFL, O_NONBLOCK));
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wcount = 0;
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rcount = 0;
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for(;;) {
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366 |
FD_ZERO(&rfds); |
367 |
fd_max = fds[0];
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368 |
FD_SET(fds[0], &rfds);
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369 |
|
370 |
FD_ZERO(&wfds); |
371 |
FD_SET(fds[1], &wfds);
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if (fds[1] > fd_max) |
373 |
fd_max = fds[1];
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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)
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break;
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382 |
} |
383 |
if (FD_ISSET(fds[1], &wfds)) { |
384 |
ch = 'a';
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385 |
chk_error(write(fds[0], &ch, 1)); |
386 |
wcount++; |
387 |
} |
388 |
} |
389 |
} |
390 |
chk_error(close(fds[0]));
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391 |
chk_error(close(fds[1]));
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392 |
} |
393 |
|
394 |
int thread1_res;
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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); |
423 |
pid1 = chk_error(clone(thread1_func, stack1 + STACK_SIZE, |
424 |
CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1"));
|
425 |
|
426 |
stack2 = malloc(STACK_SIZE); |
427 |
pid2 = chk_error(clone(thread2_func, stack2 + STACK_SIZE, |
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));
|
469 |
|
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");
|
479 |
|
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 |
} |
502 |
|
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 |
} |