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Diffstat (limited to 'libglusterfs/src/fd.h')
| -rw-r--r-- | libglusterfs/src/fd.h | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/libglusterfs/src/fd.h b/libglusterfs/src/fd.h deleted file mode 100644 index 48037b72267..00000000000 --- a/libglusterfs/src/fd.h +++ /dev/null @@ -1,175 +0,0 @@ -/* - Copyright (c) 2007-2009 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _FD_H -#define _FD_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "list.h" -#include <sys/types.h> -#include <unistd.h> -#include "glusterfs.h" -#include "locking.h" - -struct _inode; -struct _dict; - -struct _fd_ctx { - union { - uint64_t key; - void *xl_key; - }; - union { - uint64_t value1; - void *ptr1; - }; -}; - -/* If this structure changes, please have mercy on the booster maintainer - * and update the fd_t struct in booster/src/booster-fd.h. - * See the comment there to know why. - */ -struct _fd { - pid_t pid; - int32_t flags; - int32_t refcount; - uint64_t flush_unique; - struct list_head inode_list; - struct _inode *inode; - gf_lock_t lock; /* used ONLY for manipulating - 'struct _fd_ctx' array (_ctx).*/ - struct _fd_ctx *_ctx; - int xl_count; /* Number of xl referred in this fd */ -}; -typedef struct _fd fd_t; - - -struct fd_table_entry { - fd_t *fd; - int next_free; -}; -typedef struct fd_table_entry fdentry_t; - - -struct _fdtable { - int refcount; - uint32_t max_fds; - pthread_mutex_t lock; - fdentry_t *fdentries; - int first_free; -}; -typedef struct _fdtable fdtable_t; - - -/* Signifies no more entries in the fd table. */ -#define GF_FDTABLE_END -1 - -/* This is used to invalidated - * the next_free value in an fdentry that has been allocated - */ -#define GF_FDENTRY_ALLOCATED -2 - -#include "logging.h" -#include "xlator.h" - - -inline void -gf_fd_put (fdtable_t *fdtable, int32_t fd); - - -fd_t * -gf_fd_fdptr_get (fdtable_t *fdtable, int64_t fd); - - -fdtable_t * -gf_fd_fdtable_alloc (void); - - -int -gf_fd_unused_get (fdtable_t *fdtable, fd_t *fdptr); - - -fdentry_t * -gf_fd_fdtable_get_all_fds (fdtable_t *fdtable, uint32_t *count); - - -void -gf_fd_fdtable_destroy (fdtable_t *fdtable); - - -fd_t * -fd_ref (fd_t *fd); - - -void -fd_unref (fd_t *fd); - - -fd_t * -fd_create (struct _inode *inode, pid_t pid); - - -fd_t * -fd_lookup (struct _inode *inode, pid_t pid); - - -uint8_t -fd_list_empty (struct _inode *inode); - - -fd_t * -fd_bind (fd_t *fd); - - -int -fd_ctx_set (fd_t *fd, xlator_t *xlator, uint64_t value); - - -int -fd_ctx_get (fd_t *fd, xlator_t *xlator, uint64_t *value); - - -int -fd_ctx_del (fd_t *fd, xlator_t *xlator, uint64_t *value); - - -int -__fd_ctx_set (fd_t *fd, xlator_t *xlator, uint64_t value); - - -int -__fd_ctx_get (fd_t *fd, xlator_t *xlator, uint64_t *value); - - -int -__fd_ctx_del (fd_t *fd, xlator_t *xlator, uint64_t *value); - -fd_t * -_fd_ref (fd_t *fd); - -void -fd_ctx_dump (fd_t *fd, char *prefix); - -extern void -fd_unref_unbind (fd_t *fd); -#endif /* _FD_H */ |