diff options
Diffstat (limited to 'c/src/exec/libcsupport/include/rtems/libio_.h')
| -rw-r--r-- | c/src/exec/libcsupport/include/rtems/libio_.h | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/c/src/exec/libcsupport/include/rtems/libio_.h b/c/src/exec/libcsupport/include/rtems/libio_.h deleted file mode 100644 index 4265c55a1e..0000000000 --- a/c/src/exec/libcsupport/include/rtems/libio_.h +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Libio Internal Information - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __RTEMS_LIBIO_INTERNAL__h -#define __RTEMS_LIBIO_INTERNAL__h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems.h> -#include <rtems/libio.h> /* include before standard IO */ - -#include <sys/types.h> - -#include <errno.h> - -/* - * Semaphore to protect the io table - */ - -#define RTEMS_LIBIO_SEM rtems_build_name('L', 'B', 'I', 'O') -#define RTEMS_LIBIO_IOP_SEM(n) rtems_build_name('L', 'B', 'I', n) - -extern rtems_id rtems_libio_semaphore; -extern rtems_filesystem_file_handlers_r rtems_filesystem_null_handlers; - -/* - * File descriptor Table Information - */ - -extern unsigned32 rtems_libio_number_iops; -extern rtems_libio_t *rtems_libio_iops; -extern rtems_libio_t *rtems_libio_last_iop; -extern rtems_libio_t *rtems_libio_iop_freelist; - -/* - * rtems_libio_iop - * - * Macro to return the file descriptor pointer. - */ - -#define rtems_libio_iop(_fd) \ - ((((unsigned32)(_fd)) < rtems_libio_number_iops) ? \ - &rtems_libio_iops[_fd] : 0) - -/* - * rtems_libio_check_is_open - * - * Macro to check if a file descriptor is actually open. - */ - -#define rtems_libio_check_is_open(_iop) \ - do { \ - if (((_iop)->flags & LIBIO_FLAGS_OPEN) == 0) { \ - errno = EBADF; \ - return -1; \ - } \ - } while (0) - -/* - * rtems_libio_check_fd - * - * Macro to check if a file descriptor number is valid. - */ - -#define rtems_libio_check_fd(_fd) \ - do { \ - if ((unsigned32) (_fd) >= rtems_libio_number_iops) { \ - errno = EBADF; \ - return -1; \ - } \ - } while (0) - -/* - * rtems_libio_check_buffer - * - * Macro to check if a buffer pointer is valid. - */ - -#define rtems_libio_check_buffer(_buffer) \ - do { \ - if ((_buffer) == 0) { \ - errno = EINVAL; \ - return -1; \ - } \ - } while (0) - -/* - * rtems_libio_check_count - * - * Macro to check if a count or length is valid. - */ - -#define rtems_libio_check_count(_count) \ - do { \ - if ((_count) == 0) { \ - return 0; \ - } \ - } while (0) - -/* - * rtems_libio_check_permissions - * - * Macro to check if a file descriptor is open for this operation. - */ - -#define rtems_libio_check_permissions(_iop, _flag) \ - do { \ - if (((_iop)->flags & (_flag)) == 0) { \ - rtems_set_errno_and_return_minus_one( EINVAL ); \ - return -1; \ - } \ - } while (0) - -/* - * rtems_filesystem_freenode - * - * Macro to free a node. - */ - -#define rtems_filesystem_freenode( _node ) \ - do { \ - if ( (_node)->ops )\ - if ( (_node)->ops->freenod_h ) \ - (*(_node)->ops->freenod_h)( (_node) ); \ - } while (0) - -/* - * rtems_filesystem_is_separator - * - * Macro to determine if a character is a path name separator. - * - * NOTE: This macro handles MS-DOS and UNIX style names. - */ - -#define rtems_filesystem_is_separator( _ch ) \ - ( ((_ch) == '/') || ((_ch) == '\\') || ((_ch) == '\0')) - -/* - * rtems_filesystem_get_start_loc - * - * Macro to determine if path is absolute or relative. - */ - -#define rtems_filesystem_get_start_loc( _path, _index, _loc ) \ - do { \ - if ( rtems_filesystem_is_separator( (_path)[ 0 ] ) ) { \ - *(_loc) = rtems_filesystem_root; \ - *(_index) = 1; \ - } else { \ - *(_loc) = rtems_filesystem_current; \ - *(_index) = 0; \ - } \ - } while (0) - -#define rtems_filesystem_get_sym_start_loc( _path, _index, _loc ) \ - do { \ - if ( rtems_filesystem_is_separator( (_path)[ 0 ] ) ) { \ - *(_loc) = rtems_filesystem_root; \ - *(_index) = 1; \ - } else { \ - *(_index) = 0; \ - } \ - } while (0) - - -/* - * External structures - */ -#include <rtems/userenv.h> - -extern rtems_user_env_t * rtems_current_user_env; -extern rtems_user_env_t rtems_global_user_env; - -/* - * Instantiate a private copy of the per user information for the calling task. - */ - -rtems_status_code rtems_libio_set_private_env(void); -rtems_status_code rtems_libio_share_private_env(rtems_id task_id) ; - -/* - * File Descriptor Routine Prototypes - */ - -rtems_libio_t *rtems_libio_allocate(void); - -unsigned32 rtems_libio_fcntl_flags( - unsigned32 fcntl_flags -); - -unsigned32 rtems_libio_to_fcntl_flags( - unsigned32 flags -); - -void rtems_libio_free( - rtems_libio_t *iop -); - -int rtems_libio_is_open_files_in_fs( - rtems_filesystem_mount_table_entry_t *mt_entry -); - -int rtems_libio_is_file_open( - void *node_access -); - -/* - * File System Routine Prototypes - */ - -int rtems_filesystem_evaluate_path( - const char *pathname, - int flags, - rtems_filesystem_location_info_t *pathloc, - int follow_link -); - -void rtems_filesystem_initialize(); - -int init_fs_mount_table(); - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ |