diff options
Diffstat (limited to 'c/src/exec/libfs/src/imfs/imfs_fsunmount.c')
-rw-r--r-- | c/src/exec/libfs/src/imfs/imfs_fsunmount.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/c/src/exec/libfs/src/imfs/imfs_fsunmount.c b/c/src/exec/libfs/src/imfs/imfs_fsunmount.c deleted file mode 100644 index 3425d6cfa2..0000000000 --- a/c/src/exec/libfs/src/imfs/imfs_fsunmount.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * IMFS Initialization - * - * 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. - * - * $Id$ - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include <sys/types.h> /* for mkdir */ -#include <fcntl.h> -#include <unistd.h> -#include <stdlib.h> - -#include <assert.h> - -#include "imfs.h" -#include <rtems/libio_.h> - -#if defined(IMFS_DEBUG) -#include <stdio.h> -#endif - -/* - * IMFS_fsunmount - */ - -#define jnode_get_control( jnode ) \ - (&jnode->info.directory.Entries) - -#define jnode_has_no_children( jnode ) \ - Chain_Is_empty( jnode_get_control( jnode ) ) - -#define jnode_has_children( jnode ) \ - ( ! jnode_has_no_children( jnode ) ) - -#define jnode_get_first_child( jnode ) \ - ((IMFS_jnode_t *)( Chain_Head( jnode_get_control( jnode ) )->next)) - -int IMFS_fsunmount( - rtems_filesystem_mount_table_entry_t *temp_mt_entry -) -{ - IMFS_jnode_t *jnode; - IMFS_jnode_t *next; - rtems_filesystem_location_info_t loc; - int result = 0; - - /* - * Traverse tree that starts at the mt_fs_root and deallocate memory - * associated memory space - */ - - jnode = (IMFS_jnode_t *)temp_mt_entry->mt_fs_root.node_access; - loc = temp_mt_entry->mt_fs_root; - - /* - * Set this to null to indicate that it is being unmounted. - */ - - temp_mt_entry->mt_fs_root.node_access = NULL; - - do { - next = jnode->Parent; - loc.node_access = (void *)jnode; - IMFS_Set_handlers( &loc ); - - if ( jnode->type != IMFS_DIRECTORY ) { - result = IMFS_unlink( &loc ); - if (result != 0) - return -1; - jnode = next; - } else if ( jnode_has_no_children( jnode ) ) { - result = IMFS_unlink( &loc ); - if (result != 0) - return -1; - jnode = next; - } - if ( jnode != NULL ) { - if ( jnode->type == IMFS_DIRECTORY ) { - if ( jnode_has_children( jnode ) ) - jnode = jnode_get_first_child( jnode ); - } - } - } while (jnode != NULL); - - return 0; -} - - - - |