Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 2247 → Rev 2248

/branches/fs/uspace/fs/fs.c
35,10 → 35,83
* @brief File system driver for HelenOS.
*/
 
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <ipc/ns.h>
#include <sysinfo.h>
#include <stdio.h>
#include <stdlib.h>
#include <as.h>
#include <ddi.h>
#include <align.h>
#include <bool.h>
#include <errno.h>
#include <async.h>
#include "fs.h"
 
 
static void fs_connection(ipc_callid_t iid, ipc_call_t *icall)
{
ipc_callid_t callid;
ipc_call_t call;
int retval;
 
ipc_answer_fast(iid, 0, 0, 0);
 
while (1) {
callid = async_get_call(&call);
switch (IPC_GET_METHOD(call)) {
case IPC_M_PHONE_HUNGUP:
ipc_answer_fast(callid, 0,0,0);
return;
case FS_OPEN:
//Why doesn't printf do anything in this task?
printf("FS_OPEN called");
char * f_name = (char *) IPC_GET_ARG1(call);
printf("I should open file: %s \n",f_name);
retval = 73;
break;
case FS_READ:
printf("FS_READ called");
unsigned int file_handle = IPC_GET_ARG1(call);
void * buffer = (void *) IPC_GET_ARG2(call);
unsigned int count = IPC_GET_ARG3(call);
//I still don't know how to copy memory to another task :(
//Or can i only map memory?
retval = 0;
break;
default:
retval = EINVAL;
}
ipc_answer_fast(callid, retval, 0, 0);
}
}
 
 
static bool fs_init(void)
{
return true;
}
 
int main(int argc, char **argv)
{
return 0;
if (fs_init()) {
ipcarg_t phonead;
async_set_client_connection(fs_connection);
/* Register service at nameserver */
if (ipc_connect_to_me(PHONE_NS, SERVICE_FS, 0, &phonead) != 0)
return -1;
async_manager();
/* Never reached */
return 0;
}
return -1;
}
 
/**