| 45,6 → 45,7 |
|---|
| #include <ctype.h> |
| #include <bool.h> |
| #include <futex.h> |
| #include <as.h> |
| #include <libadt/list.h> |
| #include "vfs.h" |
| |
| 174,11 → 175,11 |
|---|
| ipc_answer_fast(rid, EINVAL, 0, 0); |
| return; |
| } |
| fs_info_t *fs_info; |
| |
| /* |
| * Allocate and initialize a buffer for the fs_info structure. |
| */ |
| fs_info_t *fs_info; |
| fs_info = (fs_info_t *) malloc(sizeof(fs_info_t)); |
| if (!fs_info) { |
| dprintf("Could not allocate memory for FS info.\n"); |
| 261,6 → 262,45 |
|---|
| |
| dprintf("Callback connection to FS created.\n"); |
| |
| /* |
| * The client will want us to send him the address space area with PLB. |
| */ |
| callid = async_get_call(&call); |
| if (IPC_GET_METHOD(call) != IPC_M_AS_AREA_RECV) { |
| dprintf("Unexpected call, method = %d\n", IPC_GET_METHOD(call)); |
| list_remove(&fs_info->fs_link); |
| futex_up(&fs_head_futex); |
| ipc_hangup(fs_info->phone); |
| free(fs_info); |
| ipc_answer_fast(callid, EINVAL, 0, 0); |
| ipc_answer_fast(rid, EINVAL, 0, 0); |
| return; |
| } |
| |
| /* |
| * We can only send the client address space area PLB_SIZE bytes long. |
| */ |
| size = IPC_GET_ARG2(call); |
| if (size != PLB_SIZE) { |
| dprintf("Client suggests wrong size of PFB, size = %d\n", size); |
| list_remove(&fs_info->fs_link); |
| futex_up(&fs_head_futex); |
| ipc_hangup(fs_info->phone); |
| free(fs_info); |
| ipc_answer_fast(callid, EINVAL, 0, 0); |
| ipc_answer_fast(rid, EINVAL, 0, 0); |
| return; |
| |
| } |
| |
| /* |
| * Commit to read-only sharing the PLB with the client. |
| */ |
| ipc_answer_fast(callid, EOK, (ipcarg_t) plb, |
| (ipcarg_t) (AS_AREA_READ | AS_AREA_CACHEABLE)); |
| |
| dprintf("Sharing PLB.\n"); |
| |
| futex_up(&fs_head_futex); |
| |
| /* |