doxygen-test/cm__aclent_8h_source.html

00001 /*
00002  * Copyright 2000, International Business Machines Corporation and others.
00003  * All Rights Reserved.
00004  *
00005  * This software has been released under the terms of the IBM Public
00006  * License.  For details, see the LICENSE file in the top-level source
00007  * directory or online at http://www.openafs.org/dl/license10.html
00008  */
00009
00010 #ifndef _CM_ACLENT_H_
00011 #define _CM_ACLENT_H_   1
00012
00013 #include <osi.h>
00014
00015 #define CM_ACLENT_MAGIC    ('A' | 'C' <<8 | 'L'<<16 | 'E'<<24)
00016
00017 /*
00018  * Structure to hold an acl entry for a cached file
00019  */
00020 typedef struct cm_aclent {
00021     osi_queue_t q;              /* for quick removal from LRUQ */
00022     afs_uint32 magic;
00023     struct cm_aclent *nextp;    /* next guy same vnode */
00024     struct cm_scache *backp;    /* back ptr to vnode */
00025     struct cm_user *userp;      /* user whose access is cached */
00026     afs_uint32 randomAccess;    /* watch for more rights in acl.h */
00027     afs_uint32 tgtLifetime;     /* time this expires */
00028 } cm_aclent_t;
00029
00030 extern osi_rwlock_t cm_aclLock;
00031
00032 extern long cm_InitACLCache(int newFile, long size);
00033
00034 extern long cm_FindACLCache(struct cm_scache *scp, struct cm_user *userp, afs_uint32 *rightsp);
00035
00036 static cm_aclent_t *GetFreeACLEnt(cm_scache_t * scp);
00037
00038 extern long cm_AddACLCache(struct cm_scache *scp, struct cm_user *userp, afs_uint32 rights);
00039
00040 extern void cm_FreeAllACLEnts(struct cm_scache *scp);
00041
00042 extern void cm_InvalidateACLUser(struct cm_scache *scp, struct cm_user *userp);
00043
00044 extern long cm_ValidateACLCache(void);
00045
00046 extern long cm_ShutdownACLCache(void);
00047
00048 extern void cm_ResetACLCache(cm_cell_t *cellp, cm_user_t *userp);
00049
00050 extern time_t cm_TGTLifeTime(cm_user_t *userp, afs_uint32 cellID);
00051
00052 #endif  /* _CM_ACLENT_H_ */