Changeset 614 for trunk/kernel/kern/rpc.h

Timestamp:

Jan 15, 2019, 1:59:32 PM (5 years ago)

Author:

alain

Message:

1) introduce a dev_ioc_sync_write() function in IOC API,

to improve the DEVFS synchronous update.

2) fix a big bug in both the user_dir_create() and user_dir_destroy()

functions: add an extended pointer on the reference client process
in the function's arguments.

File:

• trunk/kernel/kern/rpc.h (modified) (2 diffs)

trunk/kernel/kern/rpc.h

@@ -229 +229 @@
  * [4] The RPC_USER_DIR_CREATE allows a client thread to create an user_dir_t
  * structure and the associated array of dirents in a remote cluster containing
- * the target directory inode. It is called by the sys_opendir() function.
+ * the target directory <inode>. It creates an ANON vseg in the user reference 
+ * process VMM identified by the <ref_xp>. This reference cluster cluster can be
+ * different from both the client and server clusters.
+ * It is called by the sys_opendir() function.
  ***********************************************************************************
  * @ cxy        : server cluster identifier.
  * @ inode      : [in]   local pointer on inode in server cluster.
+ * @ ref_xp     : [in]   extended pointer on user reference process descriptor.
  * @ dir        : [out]  local pointer on created user_dir structure.
  **********************************************************************************/
 void rpc_user_dir_create_client( cxy_t                 cxy,
                                  struct vfs_inode_s  * inode,
+                                 xptr_t                ref_xp,
                                  struct user_dir_s  ** dir );
 
@@ -248 +253 @@
  * @ cxy        : server cluster identifier.
  * @ dir        : [in]  local pointer on created user_dir structure.
+ * @ ref_xp     : [in]   extended pointer on user reference process descriptor.
  **********************************************************************************/
 void rpc_user_dir_destroy_client( cxy_t               cxy,
-                                  struct user_dir_s * dir );
+                                  struct user_dir_s * dir,
+                                  xptr_t              ref_xp );
 
 void rpc_user_dir_destroy_server( xptr_t xp );