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qemu-e2k/tests/tcg/linux-test.c

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/*
* 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, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <inttypes.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <errno.h>
#include <utime.h>
#include <time.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sched.h>
#include <dirent.h>
#include <setjmp.h>
#include <sys/shm.h>
#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, ...) error1(__FILE__, __LINE__, fmt, ## __VA_ARGS__)
#define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret))
/*******************************************************/
#define FILE_BUF_SIZE 300
void test_file(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, val;
struct sockaddr_in sockaddr;
socklen_t len;
char buf[512];
server_fd = server_socket();
/* test a few socket options */
len = sizeof(val);
chk_error(getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &val, &len));
if (val != SOCK_STREAM)
error("getsockopt");
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);
free(stack1);
while (waitpid(pid2, &status2, 0) != pid2);
free(stack2);
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));
}
#define SHM_SIZE 32768
void test_shm(void)
{
void *ptr;
int shmid;
shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777));
ptr = shmat(shmid, NULL, 0);
if (!ptr)
error("shmat");
memset(ptr, 0, SHM_SIZE);
chk_error(shmctl(shmid, IPC_RMID, 0));
chk_error(shmdt(ptr));
}
int main(int argc, char **argv)
{
test_file();
test_fork();
test_time();
test_socket();
// test_clone();
test_signal();
test_shm();
return 0;
}
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