LibIO Internal Interface. More...
#include <errno.h>#include <rtems.h>#include <rtems/libio.h>#include <rtems/seterr.h>#include <rtems/userenv.h>
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Data Structures | |
| struct | rtems_filesystem_eval_path_generic_config |
Defines | |
| #define | RTEMS_FILESYSTEM_SYMLOOP_MAX 32 |
| #define | RTEMS_LIBIO_SEM rtems_build_name('L', 'B', 'I', 'O') |
| #define | RTEMS_LIBIO_IOP_SEM(n) rtems_build_name('L', 'B', 'I', n) |
| #define | rtems_libio_iop(_fd) |
| #define | rtems_libio_iop_to_descriptor(_iop) ((!(_iop)) ? -1 : (_iop - rtems_libio_iops)) |
| #define | rtems_libio_check_is_open(_iop) |
| #define | rtems_libio_check_fd(_fd) |
| #define | rtems_libio_check_buffer(_buffer) |
| #define | rtems_libio_check_count(_count) |
| #define | rtems_libio_check_permissions_with_error(_iop, _flag, _errno) |
| #define | rtems_libio_check_permissions(_iop, _flag) rtems_libio_check_permissions_with_error(_iop, _flag, EINVAL ) |
| #define | rtems_filesystem_mt_entry_declare_lock_context(ctx) rtems_interrupt_level ctx |
| #define | rtems_filesystem_mt_entry_lock(ctx) rtems_interrupt_disable( ctx ) |
| #define | rtems_filesystem_mt_entry_unlock(ctx) rtems_interrupt_enable( ctx ) |
Typedefs | |
| typedef bool(* | rtems_filesystem_eval_path_is_directory )(rtems_filesystem_eval_path_context_t *ctx, void *arg) |
| Tests if the current location is a directory. | |
| typedef rtems_filesystem_eval_path_generic_status(* | rtems_filesystem_eval_path_eval_token )(rtems_filesystem_eval_path_context_t *ctx, void *arg, const char *token, size_t tokenlen) |
| Evaluates a token. | |
Enumerations | |
| enum | rtems_filesystem_eval_path_generic_status { RTEMS_FILESYSTEM_EVAL_PATH_GENERIC_CONTINUE, RTEMS_FILESYSTEM_EVAL_PATH_GENERIC_DONE, RTEMS_FILESYSTEM_EVAL_PATH_GENERIC_NO_ENTRY } |
Functions | |
| void | rtems_filesystem_location_clone (rtems_filesystem_location_info_t *clone, const rtems_filesystem_location_info_t *master) |
| Clones a node. | |
| rtems_filesystem_node_types_t | rtems_filesystem_node_type (const rtems_filesystem_location_info_t *loc) |
| Returns the type of a node. | |
| void | rtems_filesystem_location_free (rtems_filesystem_location_info_t *loc) |
| Releases all resources of a location. | |
| rtems_libio_t * | rtems_libio_allocate (void) |
| This routine searches the IOP Table for an unused entry. | |
| uint32_t | rtems_libio_fcntl_flags (int fcntl_flags) |
| Convert UNIX fnctl(2) flags to ones that RTEMS drivers understand. | |
| int | rtems_libio_to_fcntl_flags (uint32_t flags) |
| Convert RTEMS internal flags to UNIX fnctl(2) flags. | |
| void | rtems_libio_free (rtems_libio_t *iop) |
| This routine frees the resources associated with an IOP (file descriptor) and clears the slot in the IOP Table. | |
| rtems_filesystem_location_info_t * | rtems_filesystem_eval_path_start (rtems_filesystem_eval_path_context_t *ctx, const char *path, int eval_flags) |
| rtems_filesystem_location_info_t * | rtems_filesystem_eval_path_start_with_parent (rtems_filesystem_eval_path_context_t *ctx, const char *path, int eval_flags, rtems_filesystem_location_info_t *parentloc, int parent_eval_flags) |
| rtems_filesystem_location_info_t * | rtems_filesystem_eval_path_start_with_root_and_current (rtems_filesystem_eval_path_context_t *ctx, const char *path, int eval_flags, rtems_filesystem_global_location_t *const *global_root_ptr, rtems_filesystem_global_location_t *const *global_current_ptr) |
| void | rtems_filesystem_eval_path_continue (rtems_filesystem_eval_path_context_t *ctx) |
| void | rtems_filesystem_eval_path_cleanup (rtems_filesystem_eval_path_context_t *ctx) |
| void | rtems_filesystem_eval_path_recursive (rtems_filesystem_eval_path_context_t *ctx, const char *path, size_t pathlen) |
| void | rtems_filesystem_eval_path_cleanup_with_parent (rtems_filesystem_eval_path_context_t *ctx, rtems_filesystem_location_info_t *parentloc) |
| void | rtems_filesystem_eval_path_restart (rtems_filesystem_eval_path_context_t *ctx, rtems_filesystem_global_location_t **newstartloc_ptr) |
| Requests a path evaluation restart. | |
| void | rtems_filesystem_eval_path_generic (rtems_filesystem_eval_path_context_t *ctx, void *arg, const rtems_filesystem_eval_path_generic_config *config) |
| void | rtems_filesystem_initialize (void) |
| rtems_filesystem_location_info_t * | rtems_filesystem_location_copy (rtems_filesystem_location_info_t *dst, const rtems_filesystem_location_info_t *src) |
| Copies a location. | |
| rtems_filesystem_global_location_t * | rtems_filesystem_location_transform_to_global (rtems_filesystem_location_info_t *loc) |
| void | rtems_filesystem_global_location_assign (rtems_filesystem_global_location_t **lhs_global_loc_ptr, rtems_filesystem_global_location_t *rhs_global_loc) |
| Assigns a global file system location. | |
| rtems_filesystem_global_location_t * | rtems_filesystem_global_location_obtain (rtems_filesystem_global_location_t *const *global_loc_ptr) |
| Obtains a global file system location. | |
| void | rtems_filesystem_global_location_release (rtems_filesystem_global_location_t *global_loc) |
| Releases a global file system location. | |
| void | rtems_filesystem_location_detach (rtems_filesystem_location_info_t *detach) |
| void | rtems_filesystem_location_copy_and_detach (rtems_filesystem_location_info_t *copy, rtems_filesystem_location_info_t *detach) |
| int | rtems_filesystem_mknod (const rtems_filesystem_location_info_t *parentloc, const char *name, size_t namelen, mode_t mode, dev_t dev) |
| int | rtems_filesystem_chdir (rtems_filesystem_location_info_t *loc) |
| int | rtems_filesystem_chown (const char *path, uid_t owner, gid_t group, int eval_follow_link) |
| void | rtems_filesystem_location_remove_from_mt_entry (rtems_filesystem_location_info_t *loc) |
| void | rtems_filesystem_do_unmount (rtems_filesystem_mount_table_entry_t *mt_entry) |
| void | rtems_filesystem_eval_path_eat_delimiter (rtems_filesystem_eval_path_context_t *ctx) |
| void | rtems_filesystem_eval_path_next_token (rtems_filesystem_eval_path_context_t *ctx) |
| void | rtems_filesystem_eval_path_error (rtems_filesystem_eval_path_context_t *ctx, int eno) |
| int | rtems_filesystem_location_exists_in_same_instance_as (const rtems_filesystem_location_info_t *a, const rtems_filesystem_location_info_t *b) |
| Checks that the locations exist in the same file system instance. | |
| bool | rtems_filesystem_check_access (int eval_flags, mode_t node_mode, uid_t node_uid, gid_t node_gid) |
| bool | rtems_filesystem_eval_path_check_access (rtems_filesystem_eval_path_context_t *ctx, int eval_flags, mode_t node_mode, uid_t node_uid, gid_t node_gid) |
Variables | |
| rtems_id | rtems_libio_semaphore |
| uint32_t | rtems_libio_number_iops |
| rtems_libio_t * | rtems_libio_iops |
| rtems_libio_t * | rtems_libio_last_iop |
| rtems_libio_t * | rtems_libio_iop_freelist |
|
const rtems_filesystem_file_handlers_r | rtems_filesystem_null_handlers |
| rtems_filesystem_mount_table_entry_t | rtems_filesystem_null_mt_entry |
| rtems_filesystem_global_location_t | rtems_filesystem_global_location_null |
| The global null location. | |
Detailed Description
LibIO Internal Interface.
This file is the libio internal interface.
