| 78,19 → 78,23 |
|---|
| */ |
| int vfs_fd_alloc(void) |
| { |
| int i; |
| |
| if (!vfs_files_init()) |
| return ENOMEM; |
| |
| unsigned int i; |
| for (i = 0; i < MAX_OPEN_FILES; i++) { |
| if (!files[i]) { |
| files[i] = (vfs_file_t *) malloc(sizeof(vfs_file_t)); |
| if (!files[i]) |
| return ENOMEM; |
| |
| memset(files[i], 0, sizeof(vfs_file_t)); |
| futex_initialize(&files[i]->lock, 1); |
| vfs_file_addref(files[i]); |
| return i; |
| return (int) i; |
| } |
| } |
| |
| return EMFILE; |
| } |
| |
| 103,10 → 107,15 |
|---|
| */ |
| int vfs_fd_free(int fd) |
| { |
| if (!vfs_files_init()) |
| return ENOMEM; |
| |
| if ((fd < 0) || (fd >= MAX_OPEN_FILES) || (files[fd] == NULL)) |
| return EBADF; |
| |
| vfs_file_delref(files[fd]); |
| files[fd] = NULL; |
| |
| return EOK; |
| } |
| |
| 150,11 → 159,15 |
|---|
| */ |
| vfs_file_t *vfs_file_get(int fd) |
| { |
| if (!vfs_files_init()) |
| return NULL; |
| |
| if ((fd >= 0) && (fd < MAX_OPEN_FILES)) |
| return files[fd]; |
| |
| return NULL; |
| } |
| |
| /** |
| * @} |
| */ |
| */ |