Changeset 683 for trunk/kernel/libk/remote_condvar.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/libk/remote_condvar.c (modified) (5 diffs)

trunk/kernel/libk/remote_condvar.c

@@ -2 +2 @@
  * remote_condvar.c - remote kernel condition variable implementation.
  *
- * Authors     Alain Greiner (2016,2017,2018,2019)
+ * Authors     Alain Greiner (2016,2017,2018,2019,2020)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -86 +86 @@
 {
     remote_condvar_t * condvar_ptr;
-    kmem_req_t         req;   
 
     // get pointer on local process descriptor
@@ -98 +97 @@
     process_t * ref_ptr = (process_t *)GET_PTR( ref_xp );
 
-    req.type    = KMEM_KCM;
-    req.order   = bits_log2( sizeof(remote_condvar_t) );
-    req.flags   = AF_ZERO | AF_KERNEL;
-    condvar_ptr = kmem_alloc( &req );
+    // allocate memory for condvar descriptor
+    condvar_ptr = kmem_alloc( bits_log2(sizeof(remote_condvar_t)) , AF_ZERO );
 
     if( condvar_ptr == NULL )
@@ -130 +127 @@
 void remote_condvar_destroy( xptr_t condvar_xp )
 {
-    kmem_req_t  req;
-
     // get pointer on local process descriptor
     process_t * process = CURRENT_THREAD->process;
@@ -162 +157 @@
 
     // release memory allocated for condvar descriptor
-    req.type = KMEM_KCM;
-    req.ptr  = condvar_ptr;
-    kmem_remote_free( ref_cxy , &req );
+    kmem_remote_free( ref_cxy , condvar_ptr , bits_log2(sizeof(remote_condvar_t)) );
 
 }  // end remote_convar_destroy()