Changeset 683 for trunk/kernel/libk/remote_mutex.c

Timestamp:

Jan 13, 2021, 12:36:17 AM (2 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_mutex.c (modified) (5 diffs)

trunk/kernel/libk/remote_mutex.c

@@ -2 +2 @@
  * remote_mutex.c - POSIX mutex implementation.
  * 
- * Authors   Alain   Greiner (2016,2017,2018,2019)
+ * Authors   Alain   Greiner (2016,2017,2018,2019,2020:)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -85 +85 @@
 { 
     remote_mutex_t * mutex_ptr;
-    kmem_req_t       req;   
 
     // get pointer on local process descriptor
@@ -98 +97 @@
 
     // allocate memory for mutex descriptor in reference cluster
-    req.type    = KMEM_KCM;
-    req.order   = bits_log2( sizeof(remote_mutex_t) );
-    req.flags   = AF_ZERO | AF_KERNEL;
-    mutex_ptr   = kmem_remote_alloc( ref_cxy , &req );
+    mutex_ptr = kmem_remote_alloc( ref_cxy , bits_log2(sizeof(remote_mutex_t)) , AF_ZERO );
 
     if( mutex_ptr == NULL )
@@ -145 +141 @@
 void remote_mutex_destroy( xptr_t mutex_xp )
 {
-    kmem_req_t  req;
-
     // get pointer on local process descriptor
     process_t * process = CURRENT_THREAD->process;
@@ -171 +165 @@
 
     // release memory allocated for mutex descriptor
-    req.type = KMEM_KCM;
-    req.ptr  = mutex_ptr;
-    kmem_remote_free( mutex_cxy , &req );
+    kmem_remote_free( mutex_cxy , mutex_ptr , bits_log2(sizeof(remote_mutex_t)) );
 
 }  // end remote_mutex_destroy()