int main(void)
{
int fid;
int len = 32;
char buffer1[32] = "Hello this is first message";
char buffer2[32] = "Hello second message is up";
char buffer3[32] = "Third message coming your way";
char buffer4[32] = "Last but not least, message four";
fid = syscall_open("[pipe]test");
// printf("Fid from read is %d\n", fid);
// write one time
syscall_seek(fid,0);
syscall_write(fid,buffer1,len);
// write again
syscall_seek(fid,0);
syscall_write(fid,buffer2,len);
// write again
syscall_seek(fid,0);
syscall_write(fid,buffer3,len);
//try to remove the pipe
syscall_delete("[pipe]test");
// write again
syscall_seek(fid,0);
syscall_write(fid,buffer4,len);
return 0;
}
void do_syscall(TrapFrame *tf) {
int id = tf->eax;
switch(id) {
case SYS_fork: syscall_fork(tf); break;
case SYS_exec: syscall_exec(tf); break;
case SYS_exit: syscall_exit(tf); break;
case SYS_getpid: syscall_getpid(tf); break;
case SYS_waitpid: syscall_waitpid(tf); break;
case SYS_puts1: printk((char*)(tf->ebx)); printk(" %d\n", current->pid); break;
case SYS_puts: syscall_puts(tf); break;
case SYS_read_line: syscall_read_line(tf); break;
case SYS_sleep: syscall_sleep(tf); break;
case SYS_open: syscall_open(tf); break;
case SYS_read: syscall_read(tf); break;
case SYS_write: syscall_write(tf); break;
case SYS_create: syscall_create(tf); break;
case SYS_close: syscall_close(tf); break;
case SYS_delete: syscall_delete(tf); break;
case SYS_lseek: syscall_lseek(tf); break;
case SYS_dup: syscall_dup(tf); break;
case SYS_dup2: syscall_dup2(tf); break;
case SYS_mkdir: syscall_mkdir(tf); break;
case SYS_rmdir: syscall_rmdir(tf); break;
case SYS_lsdir: syscall_lsdir(tf); break;
case SYS_chdir: syscall_chdir(tf); break;
//default: panic("Unknown system call type");
}
}
int main(void)
{
int pipeid;
char string[4];
pipeid = syscall_open("[pipe]new");
syscall_read(pipeid, string, 4);
syscall_write(1, string, 4);
printf("\n");
syscall_delete("[pipe]new");
return 0;
}
int cmd_rm(int argc, char** argv) {
if (argc < 2) {
printf("Usage: rm <files>...\n");
return 1;
}
int i, ret = 0;
for (i = 1; i < argc; i++) {
int res = syscall_delete(argv[i]);
if (res != 0) {
printf("Failed to remove %s, reason %d.\n", argv[i+1], res);
ret = 1;
}
}
return ret;
}
int main(void) {
char file[] = "[arkimedes]hej";
int handle = syscall_open((char const*) &file);
char buffer[128];
char buffer2[128];
syscall_read(handle, &buffer, 4);
syscall_write(handle, &buffer, 4);
syscall_seek(handle, 0);
syscall_read(handle, &buffer2, 11);
syscall_write(FILEHANDLE_STDOUT, &buffer2, 11);
syscall_close(handle);
syscall_delete((char const*) &file);
char file2[] = "[arkimedes]rasputin";
syscall_create((char const*) &file2, 11);
char buffer3[] = "\ngorbatjov\n";
handle = syscall_open((char const*) &file2);
syscall_write(handle, &buffer3, 11);
int ret_code = syscall_seek(handle, 12);
printf("\n%d\n", ret_code);
syscall_seek(handle, 0);
syscall_read(handle, &buffer3, 11);
syscall_write(FILEHANDLE_STDOUT, &buffer3, 11);
syscall_close(handle);
char file3[] = "[arkimedes]putin";
syscall_create((char const*) &file3, 11);
handle = syscall_open((char const*) &file3);
char buffer4[] = "\ngorbad\n";
syscall_write(handle, &buffer4, 11);
return 0;
}
int main()
{
char buff[20];
syscall_delete(file1);
if (syscall_create(file1, 100) < 0)
fail("Couldn't create file :(\n");
int fd = syscall_open(file1);
if (fd < 0)
fail("Couldn't open file :(\n");
printf("Wrote %d bytes\n", syscall_write(fd, "Teststring!\n", 11));
if (syscall_seek(fd, 0) < 0)
fail("Couldn't seek :(\n");
printf("Read %d bytes\n", syscall_read(fd, buff, 20));
printf(buff);
syscall_halt();
return 0;
}
