Changeset 614 for trunk/kernel/syscalls

Timestamp:

Jan 15, 2019, 1:59:32 PM (6 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.

Location:

trunk/kernel/syscalls

Files:

• sys_closedir.c (modified) (1 diff)
• sys_display.c (modified) (1 diff)
• sys_opendir.c (modified) (2 diffs)

trunk/kernel/syscalls/sys_closedir.c

@@ -74 +74 @@
     if( dir_cxy == local_cxy )
     {
-        user_dir_destroy( dir_ptr );
+        user_dir_destroy( dir_ptr,
+                          process->ref_xp );
     }
     else
     {
         rpc_user_dir_destroy_client( dir_cxy,
-                                     dir_ptr );
+                                     dir_ptr,
+                                     process->ref_xp );
     }
 

trunk/kernel/syscalls/sys_display.c

@@ -357 +357 @@
 
         // display mapper
-        error = mapper_display_page( mapper_xp , page_id , nbytes , kbuf );
+        error = mapper_display_page( mapper_xp , page_id , nbytes );
 
         if( error )

trunk/kernel/syscalls/sys_opendir.c

@@ -143 +143 @@
         }
    
-    // create a new user_dir_t structure in inode cluster 
-    // and get the user space pointer on dirent array
+    // create a new user_dir_t structure in target directory inode cluster 
+    // map it in the reference user process VMM (in a new ANON vseg)
+    // an get the local pointer on the created user_dir_t structure 
     if( inode_cxy == local_cxy )
     {
-        dir_ptr = user_dir_create( inode_ptr );
+        dir_ptr = user_dir_create( inode_ptr,
+                                   process->ref_xp );
     }
     else
@@ -153 +155 @@
         rpc_user_dir_create_client( inode_cxy,
                                     inode_ptr,
+                                    process->ref_xp,
                                     &dir_ptr );
     }