Changeset 683 for trunk/kernel/kern/pipe.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/kern/pipe.c (modified) (5 diffs)

trunk/kernel/kern/pipe.c

@@ -2 +2 @@
  * pipe.c - single writer, single reader pipe implementation            
  *
- * Author     Alain Greiner (2016,2017,2018,2019,2020)
+ * Author     Alain Greiner     (2016,2017,2018,2019,2020)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -32 +32 @@
                       uint32_t size )
 {
-    kmem_req_t     req;
     remote_buf_t * buf;
     pipe_t       * pipe;
@@ -55 +54 @@
 
     // 3. allocate memory for pipe descriptor
-    req.type  = KMEM_KCM;
-    req.order = bits_log2( sizeof(pipe_t) );
-    req.flags = AF_ZERO;
-    pipe = kmem_remote_alloc( cxy , &req );
+    pipe = kmem_remote_alloc( cxy , bits_log2(sizeof(pipe_t)) , AF_ZERO );
 
     if( pipe == NULL )
@@ -76 +72 @@
 void pipe_destroy( xptr_t pipe_xp )
 {
-    kmem_req_t req;
-
     pipe_t * pipe_ptr = GET_PTR( pipe_xp );
     cxy_t    pipe_cxy = GET_CXY( pipe_xp );
@@ -88 +82 @@
 
     // release pipe descriptor
-    req.type = KMEM_KCM;
-    req.ptr  = pipe_ptr;
-    kmem_remote_free( pipe_cxy , &req );
+    kmem_remote_free( pipe_cxy , pipe_ptr , bits_log2(sizeof(pipe_t)) );
 
 }  // end pipe_destroy()
-
 
 //////////////////////////////////////////