| 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) |