int main(int argc, char *argv[]) {
TracePrintf(1, "\t===>Start: tty.c.c\n");
char write_msg[] = "Hello World!";
int size = sizeof(write_msg);
int rc;
rc = Fork();
if (rc == 0) {
Pause();
Pause();
Pause();
Pause();
TtyWrite(1, write_msg, size);
TracePrintf(1, "\t===>tty.c: Just wrote to terminal 1.\n");
return 0;
} else {
char read_msg[10];
size = sizeof(read_msg);
TtyRead(2, read_msg, size);
TracePrintf(1, "\t===>tty.c: Just read from terminal 2: %s.\n", read_msg);
}
TracePrintf(1, "\t===>End: tty.c.c\n");
return 0;
}
int main(int argc, char **argv)
{
int pid, i, j, ret;
int exit_status;
char *exec_argv[] = { "haha", NULL };
int *a = (int *)calloc(3, sizeof(int));
int num_a = 100;
char *str;
unsigned int delay_ticks = 2;
char buf[2 * TERMINAL_MAX_LINE + 2];
char pipe_buf[1025];
int pipe_fd;
int lock_fd;
int cvar_fd;
#ifdef SWAP_TEST
free(a);
a = (void *)calloc(num_a, PAGESIZE);
if (a == NULL)
goto loop;
if (Fork() == 0) {
while (1) {
Delay(2);
a[0] = 1000;
TtyPrintf(CONSOLE, "pid = %u, a[0] = %u\n", GetPid(), a[0]);
}
}
for (i = 0; i < num_a * PAGESIZE / sizeof(int); i += (PAGESIZE / sizeof(int)))
a[i] = 100;
if (Fork() == 0) {
while (1) {
Delay(2);
a[0] = 2000;
TtyPrintf(CONSOLE, "pid = %u, a[0] = %u\n", GetPid(), a[0]);
}
}
for (i = 0; i < num_a * PAGESIZE / sizeof(int); i += (PAGESIZE / sizeof(int)))
a[i] = 100;
if (Fork() == 0) {
while (1) {
Delay(2);
a[0] = 3000;
TtyPrintf(CONSOLE, "pid = %u, a[0] = %u\n", GetPid(), a[0]);
}
}
for (i = 0; i < num_a * PAGESIZE / sizeof(int); i += (PAGESIZE / sizeof(int)))
a[i] = 100;
if (Fork() == 0) {
while (1) {
Delay(2);
a[0] = 4000;
TtyPrintf(CONSOLE, "pid = %u, a[0] = %u\n", GetPid(), a[0]);
}
}
for (i = 0; i < num_a * PAGESIZE / sizeof(int); i += (PAGESIZE / sizeof(int)))
a[i] = 100;
if (Fork() == 0) {
while (1) {
Delay(2);
a[0] = 5000;
TtyPrintf(CONSOLE, "pid = %u, a[0] = %u\n", GetPid(), a[0]);
}
}
for (i = 0; i < num_a * PAGESIZE / sizeof(int); i += (PAGESIZE / sizeof(int)))
a[i] = 100;
#endif
#ifdef PIPE_TEST
ret = PipeInit(&pipe_fd);
pid = Fork();
bzero(pipe_buf, sizeof(pipe_buf));
if (pid != ERROR && !pid) {
TtyPrintf(CONSOLE, "pipe_fd = %u\n", pipe_fd);
j = 0;
Delay(1);
while (1) {
for (i = 0; i < sizeof(pipe_buf); i++)
pipe_buf[i] = (j % 26) + 'a';
TtyPrintf(CONSOLE, ">>>>>>>>>>> write pipe\n");
ret = PipeWrite(pipe_fd, pipe_buf, sizeof(pipe_buf));
TtyPrintf(CONSOLE, "write pipe ret = %d, pid = %u\n", ret, GetPid());
j++;
}
Exit(0);
}
while (1) {
bzero(pipe_buf, sizeof(pipe_buf));
TtyPrintf(CONSOLE, ">>>>>>>>>>> read pipe\n");
ret = PipeRead(pipe_fd, pipe_buf, sizeof(pipe_buf) - 7);
TtyPrintf(CONSOLE, "<<<<<<<<<<< read pipe ret = %d, pid = %u, %s\n", ret, GetPid(), pipe_buf);
}
Reclaim(pipe_fd);
#endif
#ifdef CVAR_TEST
ret = LockInit(&lock_fd);
ret = CvarInit(&cvar_fd);
pid = Custom0(0, 0, 0, 0);
if (pid != ERROR && !pid) {
Acquire(lock_fd);
while (!condition)
CvarWait(cvar_fd, lock_fd);
Delay(2);
Release(lock_fd);
Exit(7);
}
Acquire(lock_fd);
condition = 1;
CvarSignal(cvar_fd);
Release(lock_fd);
ret = Reclaim(lock_fd);
if (ret)
Exit(-1);
#endif
#ifdef TTY_TEST
for (i = 0; i < sizeof(buf) - 1; i++)
buf[i] = '9';
buf[i] = '\0';
TtyPrintf(CONSOLE, buf);
TtyPrintf(CONSOLE, "\n");
a[0] = 10;
a[2] = 100;
TtyPrintf(CONSOLE, "Enter somthing:\n");
bzero(buf, sizeof(buf));
ret = TtyRead(CONSOLE, buf, sizeof(buf));
TtyPrintf(CONSOLE, "You just entered: %s (len = %d)\n", buf, ret);
#endif
#ifdef COW_TEST
if (argc == 2)
delay_ticks = atoi(argv[1]);
pid = Fork();
if (pid == ERROR) {
Delay(2);
return ERROR;
} else if (!pid) {
GetPid();
delay_ticks = 5;
TtyPrintf(CONSOLE, " delay_ticks = %u, pid = %u\n", delay_ticks, GetPid());
pid = Fork();
if (pid != ERROR && !pid) {
GetPid();
delay_ticks = 8;
TtyPrintf(CONSOLE, " delay_ticks = %u, pid = %u\n", delay_ticks, GetPid());
Delay(delay_ticks);
Exec("exec_test", exec_argv);
}
pid = Wait(&exit_status);
TtyPrintf(CONSOLE, " delay_ticks = %u, pid = %u\n", delay_ticks, GetPid());
TtyPrintf(CONSOLE, " wait child = %u, status = %d\n", pid, exit_status);
Delay(delay_ticks);
Exit(10);
}
pid = Fork();
if (pid != ERROR && !pid) {
incursive_func(0);
GetPid();
delay_ticks = 9;
TtyPrintf(CONSOLE, " delay_ticks = %u, pid = %u\n", delay_ticks, GetPid());
Delay(delay_ticks);
Exit(100);
}
TtyPrintf(CONSOLE, " delay_ticks = %u, pid = %u\n", delay_ticks, GetPid());
Delay(delay_ticks);
GetPid();
Wait(&exit_status);
Wait(&exit_status);
GetPid();
#endif
loop:
while (1)
Delay(delay_ticks);
return 0;
}
