diff --git a/tests/linux-test.c b/tests/linux-test.c new file mode 100644 index 0000000000000000000000000000000000000000..3ced0dd69a5311516a63dc10329fa4ec3b085b01 --- /dev/null +++ b/tests/linux-test.c @@ -0,0 +1,510 @@ +/* + * linux and CPU test + * + * Copyright (c) 2003 Fabrice Bellard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TESTPATH "/tmp/linux-test.tmp" +#define TESTPORT 7654 +#define STACK_SIZE 16384 + +void error1(const char *filename, int line, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d: ", filename, line); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); + exit(1); +} + +int __chk_error(const char *filename, int line, int ret) +{ + if (ret < 0) { + error1(filename, line, "%m (ret=%d, errno=%d)", + ret, errno); + } + return ret; +} + +#define error(fmt, args...) error1(__FILE__, __LINE__, fmt, ##args) + +#define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret)) + +/*******************************************************/ + +#define FILE_BUF_SIZE 300 + +void file_test(void) +{ + int fd, i, len, ret; + uint8_t buf[FILE_BUF_SIZE]; + uint8_t buf2[FILE_BUF_SIZE]; + uint8_t buf3[FILE_BUF_SIZE]; + char cur_dir[1024]; + struct stat st; + struct utimbuf tbuf; + struct iovec vecs[2]; + DIR *dir; + struct dirent *de; + + /* clean up, just in case */ + unlink(TESTPATH "/file1"); + unlink(TESTPATH "/file2"); + unlink(TESTPATH "/file3"); + rmdir(TESTPATH); + + if (getcwd(cur_dir, sizeof(cur_dir)) == NULL) + error("getcwd"); + + chk_error(mkdir(TESTPATH, 0755)); + + chk_error(chdir(TESTPATH)); + + /* open/read/write/close/readv/writev/lseek */ + + fd = chk_error(open("file1", O_WRONLY | O_TRUNC | O_CREAT, 0644)); + for(i=0;i < FILE_BUF_SIZE; i++) + buf[i] = i; + len = chk_error(write(fd, buf, FILE_BUF_SIZE / 2)); + if (len != (FILE_BUF_SIZE / 2)) + error("write"); + vecs[0].iov_base = buf + (FILE_BUF_SIZE / 2); + vecs[0].iov_len = 16; + vecs[1].iov_base = buf + (FILE_BUF_SIZE / 2) + 16; + vecs[1].iov_len = (FILE_BUF_SIZE / 2) - 16; + len = chk_error(writev(fd, vecs, 2)); + if (len != (FILE_BUF_SIZE / 2)) + error("writev"); + chk_error(close(fd)); + + chk_error(rename("file1", "file2")); + + fd = chk_error(open("file2", O_RDONLY)); + + len = chk_error(read(fd, buf2, FILE_BUF_SIZE)); + if (len != FILE_BUF_SIZE) + error("read"); + if (memcmp(buf, buf2, FILE_BUF_SIZE) != 0) + error("memcmp"); + +#define FOFFSET 16 + ret = chk_error(lseek(fd, FOFFSET, SEEK_SET)); + if (ret != 16) + error("lseek"); + vecs[0].iov_base = buf3; + vecs[0].iov_len = 32; + vecs[1].iov_base = buf3 + 32; + vecs[1].iov_len = FILE_BUF_SIZE - FOFFSET - 32; + len = chk_error(readv(fd, vecs, 2)); + if (len != FILE_BUF_SIZE - FOFFSET) + error("readv"); + if (memcmp(buf + FOFFSET, buf3, FILE_BUF_SIZE - FOFFSET) != 0) + error("memcmp"); + + chk_error(close(fd)); + + /* access */ + chk_error(access("file2", R_OK)); + + /* stat/chmod/utime/truncate */ + + chk_error(chmod("file2", 0600)); + tbuf.actime = 1001; + tbuf.modtime = 1000; + chk_error(truncate("file2", 100)); + chk_error(utime("file2", &tbuf)); + chk_error(stat("file2", &st)); + if (st.st_size != 100) + error("stat size"); + if (!S_ISREG(st.st_mode)) + error("stat mode"); + if ((st.st_mode & 0777) != 0600) + error("stat mode2"); + if (st.st_atime != 1001 || + st.st_mtime != 1000) + error("stat time"); + + chk_error(stat(TESTPATH, &st)); + if (!S_ISDIR(st.st_mode)) + error("stat mode"); + + /* fstat */ + fd = chk_error(open("file2", O_RDWR)); + chk_error(ftruncate(fd, 50)); + chk_error(fstat(fd, &st)); + chk_error(close(fd)); + + if (st.st_size != 50) + error("stat size"); + if (!S_ISREG(st.st_mode)) + error("stat mode"); + + /* symlink/lstat */ + chk_error(symlink("file2", "file3")); + chk_error(lstat("file3", &st)); + if (!S_ISLNK(st.st_mode)) + error("stat mode"); + + /* getdents */ + dir = opendir(TESTPATH); + if (!dir) + error("opendir"); + len = 0; + for(;;) { + de = readdir(dir); + if (!de) + break; + if (strcmp(de->d_name, ".") != 0 && + strcmp(de->d_name, "..") != 0 && + strcmp(de->d_name, "file2") != 0 && + strcmp(de->d_name, "file3") != 0) + error("readdir"); + len++; + } + closedir(dir); + if (len != 4) + error("readdir"); + + chk_error(unlink("file3")); + chk_error(unlink("file2")); + chk_error(chdir(cur_dir)); + chk_error(rmdir(TESTPATH)); +} + +void test_fork(void) +{ + int pid, status; + + pid = chk_error(fork()); + if (pid == 0) { + /* child */ + exit(2); + } + chk_error(waitpid(pid, &status, 0)); + if (!WIFEXITED(status) || WEXITSTATUS(status) != 2) + error("waitpid status=0x%x", status); +} + +void test_time(void) +{ + struct timeval tv, tv2; + struct timespec ts, rem; + struct rusage rusg1, rusg2; + int ti, i; + + chk_error(gettimeofday(&tv, NULL)); + rem.tv_sec = 1; + ts.tv_sec = 0; + ts.tv_nsec = 20 * 1000000; + chk_error(nanosleep(&ts, &rem)); + if (rem.tv_sec != 1) + error("nanosleep"); + chk_error(gettimeofday(&tv2, NULL)); + ti = tv2.tv_sec - tv.tv_sec; + if (ti >= 2) + error("gettimeofday"); + + chk_error(getrusage(RUSAGE_SELF, &rusg1)); + for(i = 0;i < 10000; i++); + chk_error(getrusage(RUSAGE_SELF, &rusg2)); + if ((rusg2.ru_utime.tv_sec - rusg1.ru_utime.tv_sec) < 0 || + (rusg2.ru_stime.tv_sec - rusg1.ru_stime.tv_sec) < 0) + error("getrusage"); +} + +void pstrcpy(char *buf, int buf_size, const char *str) +{ + int c; + char *q = buf; + + if (buf_size <= 0) + return; + + for(;;) { + c = *str++; + if (c == 0 || q >= buf + buf_size - 1) + break; + *q++ = c; + } + *q = '\0'; +} + +/* strcat and truncate. */ +char *pstrcat(char *buf, int buf_size, const char *s) +{ + int len; + len = strlen(buf); + if (len < buf_size) + pstrcpy(buf + len, buf_size - len, s); + return buf; +} + +int server_socket(void) +{ + int val, fd; + struct sockaddr_in sockaddr; + + /* server socket */ + fd = chk_error(socket(PF_INET, SOCK_STREAM, 0)); + + val = 1; + chk_error(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val))); + + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(TESTPORT); + sockaddr.sin_addr.s_addr = 0; + chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); + chk_error(listen(fd, 0)); + return fd; + +} + +int client_socket(void) +{ + int fd; + struct sockaddr_in sockaddr; + + /* server socket */ + fd = chk_error(socket(PF_INET, SOCK_STREAM, 0)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(TESTPORT); + inet_aton("127.0.0.1", &sockaddr.sin_addr); + chk_error(connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); + return fd; +} + +const char socket_msg[] = "hello socket\n"; + +void test_socket(void) +{ + int server_fd, client_fd, fd, pid, ret; + struct sockaddr_in sockaddr; + socklen_t len; + char buf[512]; + + server_fd = server_socket(); + pid = chk_error(fork()); + if (pid == 0) { + client_fd = client_socket(); + send(client_fd, socket_msg, sizeof(socket_msg), 0); + close(client_fd); + exit(0); + } + len = sizeof(sockaddr); + fd = chk_error(accept(server_fd, (struct sockaddr *)&sockaddr, &len)); + + ret = chk_error(recv(fd, buf, sizeof(buf), 0)); + if (ret != sizeof(socket_msg)) + error("recv"); + if (memcmp(buf, socket_msg, sizeof(socket_msg)) != 0) + error("socket_msg"); + chk_error(close(fd)); + chk_error(close(server_fd)); +} + +#define WCOUNT_MAX 512 + +void test_pipe(void) +{ + fd_set rfds, wfds; + int fds[2], fd_max, ret; + uint8_t ch; + int wcount, rcount; + + chk_error(pipe(fds)); + chk_error(fcntl(fds[0], F_SETFL, O_NONBLOCK)); + chk_error(fcntl(fds[1], F_SETFL, O_NONBLOCK)); + wcount = 0; + rcount = 0; + for(;;) { + FD_ZERO(&rfds); + fd_max = fds[0]; + FD_SET(fds[0], &rfds); + + FD_ZERO(&wfds); + FD_SET(fds[1], &wfds); + if (fds[1] > fd_max) + fd_max = fds[1]; + + ret = chk_error(select(fd_max + 1, &rfds, &wfds, NULL, NULL)); + if (ret > 0) { + if (FD_ISSET(fds[0], &rfds)) { + chk_error(read(fds[0], &ch, 1)); + rcount++; + if (rcount >= WCOUNT_MAX) + break; + } + if (FD_ISSET(fds[1], &wfds)) { + ch = 'a'; + chk_error(write(fds[0], &ch, 1)); + wcount++; + } + } + } + chk_error(close(fds[0])); + chk_error(close(fds[1])); +} + +int thread1_res; +int thread2_res; + +int thread1_func(void *arg) +{ + int i; + for(i=0;i<5;i++) { + thread1_res++; + usleep(10 * 1000); + } + return 0; +} + +int thread2_func(void *arg) +{ + int i; + for(i=0;i<6;i++) { + thread2_res++; + usleep(10 * 1000); + } + return 0; +} + +void test_clone(void) +{ + uint8_t *stack1, *stack2; + int pid1, pid2, status1, status2; + + stack1 = malloc(STACK_SIZE); + pid1 = chk_error(clone(thread1_func, stack1 + STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1")); + + stack2 = malloc(STACK_SIZE); + pid2 = chk_error(clone(thread2_func, stack2 + STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2")); + + while (waitpid(pid1, &status1, 0) != pid1); + while (waitpid(pid2, &status2, 0) != pid2); + if (thread1_res != 5 || + thread2_res != 6) + error("clone"); +} + +/***********************************/ + +volatile int alarm_count; +jmp_buf jmp_env; + +void sig_alarm(int sig) +{ + if (sig != SIGALRM) + error("signal"); + alarm_count++; +} + +void sig_segv(int sig, siginfo_t *info, void *puc) +{ + if (sig != SIGSEGV) + error("signal"); + longjmp(jmp_env, 1); +} + +void test_signal(void) +{ + struct sigaction act; + struct itimerval it, oit; + + /* timer test */ + + alarm_count = 0; + + act.sa_handler = sig_alarm; + sigemptyset(&act.sa_mask); + act.sa_flags = 0; + chk_error(sigaction(SIGALRM, &act, NULL)); + + it.it_interval.tv_sec = 0; + it.it_interval.tv_usec = 10 * 1000; + it.it_value.tv_sec = 0; + it.it_value.tv_usec = 10 * 1000; + chk_error(setitimer(ITIMER_REAL, &it, NULL)); + chk_error(getitimer(ITIMER_REAL, &oit)); + if (oit.it_value.tv_sec != it.it_value.tv_sec || + oit.it_value.tv_usec != it.it_value.tv_usec) + error("itimer"); + + while (alarm_count < 5) { + usleep(10 * 1000); + } + + it.it_interval.tv_sec = 0; + it.it_interval.tv_usec = 0; + it.it_value.tv_sec = 0; + it.it_value.tv_usec = 0; + memset(&oit, 0xff, sizeof(oit)); + chk_error(setitimer(ITIMER_REAL, &it, &oit)); + if (oit.it_value.tv_sec != 0 || + oit.it_value.tv_usec != 10 * 1000) + error("setitimer"); + + /* SIGSEGV test */ + act.sa_sigaction = sig_segv; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_SIGINFO; + chk_error(sigaction(SIGSEGV, &act, NULL)); + if (setjmp(jmp_env) == 0) { + *(uint8_t *)0 = 0; + } + + act.sa_handler = SIG_DFL; + sigemptyset(&act.sa_mask); + act.sa_flags = 0; + chk_error(sigaction(SIGSEGV, &act, NULL)); +} + +int main(int argc, char **argv) +{ + file_test(); + test_fork(); + test_time(); + test_socket(); + test_clone(); + test_signal(); + return 0; +} +