diff options
Diffstat (limited to 'hurd/hurd/lookup.h')
| -rw-r--r-- | hurd/hurd/lookup.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/hurd/hurd/lookup.h b/hurd/hurd/lookup.h new file mode 100644 index 0000000000..6911b8f5b9 --- /dev/null +++ b/hurd/hurd/lookup.h @@ -0,0 +1,101 @@ +/* Declarations of file name translation functions for the GNU Hurd. +Copyright (C) 1995 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#ifndef _HURD_LOOKUP_H +#define _HURD_LOOKUP_H 1 + +/* These functions all take two callback functions as the first two arguments. + The first callback function USE_INIT_PORT is called as follows: + + error_t use_init_port (int which, error_t (*operate) (mach_port_t)); + + WHICH is nonnegative value less than INIT_PORT_MAX, indicating which + init port is required. The callback function should call *OPERATE + with a send right to the appropriate init port. No user reference + is consumed; the right will only be used after *OPERATE returns if + *OPERATE has added its own user reference. + + The second callback function GET_DTABLE_PORT should behave like `getdport'. + + All these functions return zero on success or an error code on failure. */ + + +/* Open a port to FILE with the given FLAGS and MODE (see <fcntl.h>). If + successful, returns zero and store the port to FILE in *PORT; otherwise + returns an error code. */ + +error_t __hurd_file_name_lookup (error_t (*use_init_port) + (int which, + error_t (*operate) (mach_port_t)), + file_t (*get_dtable_port) (int fd), + const char *file_name, + int flags, mode_t mode, + file_t *result); +error_t hurd_file_name_lookup (error_t (*use_init_port) + (int which, + error_t (*operate) (mach_port_t)), + file_t (*get_dtable_port) (int fd), + const char *file_name, + int flags, mode_t mode, + file_t *result); + + +/* Split FILE into a directory and a name within the directory. Look up a + port for the directory and store it in *DIR; store in *NAME a pointer + into FILE where the name within directory begins. */ + +error_t __hurd_file_name_split (error_t (*use_init_port) + (int which, + error_t (*operate) (mach_port_t)), + file_t (*get_dtable_port) (int fd), + const char *file_name, + file_t *dir, char **name); +error_t hurd_file_name_split (error_t (*use_init_port) + (int which, + error_t (*operate) (mach_port_t)), + file_t (*get_dtable_port) (int fd), + const char *file_name, + file_t *dir, char **name); + + +/* Process the values returned by `dir_lookup' et al, and loop doing + `dir_lookup' calls until one returns FS_RETRY_NONE. The arguments + should be those just passed to and/or returned from `dir_lookup', + `fsys_getroot', or `file_invoke_translator'. This function consumes the + reference in *RESULT even if it returns an error. */ + +error_t __hurd_file_name_lookup_retry (error_t (*use_init_port) + (int which, + error_t (*operate) (mach_port_t)), + file_t (*get_dtable_port) (int fd), + enum retry_type doretry, + char retryname[1024], + int flags, mode_t mode, + file_t *result); +error_t hurd_file_name_lookup_retry (error_t (*use_init_port) + (int which, + error_t (*operate) (mach_port_t)), + file_t (*get_dtable_port) (int fd), + enum retry_type doretry, + char retryname[1024], + int flags, mode_t mode, + file_t *result); + + +#endif /* hurd/lookup.h */ |