43,6 → 43,7 |
#include <libfs.h> |
#include <fibril_sync.h> |
#include <adt/hash_table.h> |
#include <sys/stat.h> |
#include "devfs.h" |
#include "devfs_ops.h" |
|
277,10 → 278,35 |
ipc_answer_3(rid, EOK, 0, 1, L_FILE); |
} |
|
void devfs_device(ipc_callid_t rid, ipc_call_t *request) |
void devfs_stat(ipc_callid_t rid, ipc_call_t *request) |
{ |
dev_handle_t dev_handle = (dev_handle_t) IPC_GET_ARG1(*request); |
fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); |
|
ipc_callid_t callid; |
size_t size; |
if (!ipc_data_read_receive(&callid, &size) || |
size < sizeof(struct stat)) { |
ipc_answer_0(callid, EINVAL); |
ipc_answer_0(rid, EINVAL); |
return; |
} |
|
struct stat *stat = malloc(sizeof(struct stat)); |
if (!stat) { |
ipc_answer_0(callid, ENOMEM); |
ipc_answer_0(rid, ENOMEM); |
return; |
} |
memset(stat, 0, sizeof(struct stat)); |
|
stat->fs_handle = devfs_reg.fs_handle; |
stat->dev_handle = dev_handle; |
stat->index = index; |
stat->lnkcnt = 1; |
stat->is_file = (index != 0); |
stat->size = 0; |
|
if (index != 0) { |
unsigned long key[] = { |
[DEVICES_KEY_HANDLE] = (unsigned long) index |
288,16 → 314,15 |
|
fibril_mutex_lock(&devices_mutex); |
link_t *lnk = hash_table_find(&devices, key); |
if (lnk == NULL) { |
fibril_mutex_unlock(&devices_mutex); |
ipc_answer_0(rid, ENOENT); |
return; |
} |
if (lnk != NULL) |
stat->devfs_stat.device = (dev_handle_t)index; |
fibril_mutex_unlock(&devices_mutex); |
|
ipc_answer_1(rid, EOK, (ipcarg_t) index); |
} else |
ipc_answer_0(rid, ENOTSUP); |
} |
|
ipc_data_read_finalize(callid, stat, sizeof(struct stat)); |
ipc_answer_0(rid, EOK); |
|
free(stat); |
} |
|
void devfs_read(ipc_callid_t rid, ipc_call_t *request) |