Changeset 683 for trunk/kernel/fs/devfs.c

Timestamp:

Jan 13, 2021, 12:36:17 AM (3 years ago)

Author:

alain

Message:

All modifications required to support the <tcp_chat> application
including error recovery in case of packet loss.A

File:

• trunk/kernel/fs/devfs.c (modified) (2 diffs)

trunk/kernel/fs/devfs.c

@@ -56 +56 @@
 xptr_t devfs_ctx_alloc( cxy_t cxy )
 {
-    kmem_req_t    req;
-
-        req.type    = KMEM_KCM;
-        req.order   = bits_log2( sizeof(devfs_ctx_t) );
-    req.flags   = AF_KERNEL | AF_ZERO;
-
     // allocates devfs context from target cluster 
-        return XPTR( cxy , kmem_remote_alloc( cxy , &req ) );
+        void * ptr = kmem_remote_alloc( cxy,
+                                    bits_log2(sizeof(devfs_ctx_t)),
+                                    AF_ZERO );
+
+    if( ptr == NULL ) return XPTR_NULL;
+        else              return XPTR( cxy , ptr );
 }
 
@@ -90 +89 @@
 void devfs_ctx_destroy( xptr_t  devfs_ctx_xp )
 {
-    kmem_req_t    req;
-
     // get cluster and local pointer on devfs context
     devfs_ctx_t * devfs_ctx_ptr = GET_PTR( devfs_ctx_xp );
     cxy_t         devfs_ctx_cxy = GET_CXY( devfs_ctx_xp );
 
-    req.type = KMEM_KCM;
-    req.ptr  = devfs_ctx_ptr;
-
     // release devfs context descriptor to remote cluster 
-    kmem_remote_free( devfs_ctx_cxy , &req );
+    kmem_remote_free( devfs_ctx_cxy,
+                      devfs_ctx_ptr,
+                      bits_log2(sizeof(devfs_ctx_t)) );
 }