diff options
Diffstat (limited to 'hurd/hurd.h')
| -rw-r--r-- | hurd/hurd.h | 69 |
1 files changed, 14 insertions, 55 deletions
diff --git a/hurd/hurd.h b/hurd/hurd.h index acad15b8c4..17b5c45d89 100644 --- a/hurd/hurd.h +++ b/hurd/hurd.h @@ -77,11 +77,16 @@ extern struct hurd_port *_hurd_ports; extern unsigned int _hurd_nports; extern volatile mode_t _hurd_umask; -/* Shorthand macro for referencing _hurd_ports (see <hurd/port.h>). */ +/* Shorthand macro for internal library code referencing _hurd_ports (see + <hurd/port.h>). */ #define __USEPORT(which, expr) \ HURD_PORT_USE (&_hurd_ports[INIT_PORT_##which], (expr)) +/* Function version of __USEPORT: calls OPERATE with a send right. */ + +extern error_t _hurd_ports_use (int which, error_t (*operate) (mach_port_t)); + /* Base address and size of the initial stack set up by the exec server. If using cthreads, this stack is deallocated in startup. @@ -150,52 +155,6 @@ extern int setcttyid (mach_port_t); extern int __setauth (auth_t), setauth (auth_t); -/* 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. The directory lookup - uses CRDIR for the root directory and CWDIR for the current directory. - Returns zero on success or an error code. */ - -extern error_t __hurd_file_name_split (file_t crdir, file_t cwdir, - const char *file, - file_t *dir, char **name); -extern error_t hurd_file_name_split (file_t crdir, file_t cwdir, - const char *file, - file_t *dir, char **name); - -/* Open a port to FILE with the given FLAGS and MODE (see <fcntl.h>). - The file lookup uses CRDIR for the root directory and CWDIR for the - current directory. If successful, returns zero and store the port - to FILE in *PORT; otherwise returns an error code. */ - -extern error_t __hurd_file_name_lookup (file_t crdir, file_t cwdir, - const char *file, - int flags, mode_t mode, - file_t *port); -extern error_t hurd_file_name_lookup (file_t crdir, file_t cwdir, - const char *filename, - int flags, mode_t mode, - file_t *port); - -/* Process the values returned by `dir_lookup' et al, and loop doing - `dir_lookup' calls until one returns FS_RETRY_NONE. CRDIR is the - root directory used for things like symlinks to absolute file names; the - other 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. */ - -extern error_t __hurd_file_name_lookup_retry (file_t crdir, - enum retry_type doretry, - char retryname[1024], - int flags, mode_t mode, - file_t *result); -extern error_t hurd_file_name_lookup_retry (file_t crdir, - enum retry_type doretry, - char retryname[1024], - int flags, mode_t mode, - file_t *result); - - /* Split FILE into a directory and a name within the directory. The directory lookup uses the current root and working directory. If successful, stores in *NAME a pointer into FILE where the name @@ -213,15 +172,15 @@ extern file_t file_name_split (const char *file, char **name); extern file_t __file_name_lookup (const char *file, int flags, mode_t mode); extern file_t file_name_lookup (const char *file, int flags, mode_t mode); -/* Invoke any translator set on the node FILE represents, and return in - *TRANSLATED a port to the translated node. FLAGS are as for - `dir_lookup' et al, but the returned port will not necessarily have - any more access rights than FILE does. */ +/* Open a port to FILE with the given FLAGS and MODE (see <fcntl.h>). The + file lookup uses the current root directory, but uses STARTDIR as the + "working directory" for file relative names. Returns a port to the file + if successful; otherwise sets `errno' and returns MACH_PORT_NULL. */ -extern error_t __hurd_invoke_translator (file_t file, int flags, - file_t *translated); -extern error_t hurd_invoke_translator (file_t file, int flags, - file_t *translated); +extern file_t __file_name_lookup_under (file_t startdir, const char *file, + int flags, mode_t mode); +extern file_t file_name_lookup_under (file_t startdir, const char *file, + int flags, mode_t mode); /* Open a file descriptor on a port. FLAGS are as for `open'; flags |