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New fs_query.h header.

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Now defines a new flag B_QUERY_NON_INDEXED - because querying non-indexed
attributes is a slow operation, it now has to be enabled on demand only.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2595 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2003-01-29 14:43:38 +00:00
parent fb994d6964
commit 8b9ceff84b
1 changed files with 21 additions and 24 deletions
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45
headers/os/kernel/fs_query.h
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@ -1,44 +1,41 @@
/*******************************************************************************
/
/ File: fs_query.h
/
/ Description: C interface to the BeOS file system query mechanism.
/
/ Copyright 1993-98, Be Incorporated, All Rights Reserved.
/
*******************************************************************************/
/* File System attribute queries
**
** Distributed under the terms of the OpenBeOS License.
*/
#ifndef _FS_QUERY_H
#define _FS_QUERY_H
#include <BeBuild.h>
#include <OS.h>
#include <dirent.h>
/* flags for fs_open_query() */
/* Flags for fs_open_[live_]query() */
#define B_LIVE_QUERY 0x00000001
#define B_LIVE_QUERY 0x00000001
// Note, if you specify B_LIVE_QUERY, you have to use fs_open_live_query();
// it will be ignored in fs_open_query().
#define B_QUERY_NON_INDEXED 0x00000002
// Only enable this feature for non time-critical things, it might
// take a long time to proceed.
// Also, not every file system might support this feature.
#ifdef __cplusplus
extern "C" {
#endif
extern DIR *fs_open_query(dev_t device, const char *query, uint32 flags);
extern DIR *fs_open_live_query(dev_t device, const char *query,
uint32 flags, port_id port, int32 token);
extern int fs_close_query(DIR *d);
extern struct dirent *fs_read_query(DIR *d);
_IMPEXP_ROOT DIR *fs_open_query(dev_t device, const char *query, uint32 flags);
_IMPEXP_ROOT DIR *fs_open_live_query(dev_t device, const char *query,
uint32 flags, port_id port, int32 token);
_IMPEXP_ROOT int fs_close_query(DIR *d);
_IMPEXP_ROOT struct dirent *fs_read_query(DIR *d);
_IMPEXP_ROOT status_t get_path_for_dirent(struct dirent *dent, char *buf,
size_t len);
extern status_t get_path_for_dirent(struct dirent *dent, char *buf,
size_t len);
#ifdef __cplusplus
}
#endif
#endif /* _FS_QUERY_H */
#endif /* _FS_QUERY_H */