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

Timestamp:

Jan 13, 2021, 12:36:17 AM (4 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_sem.c (modified) (5 diffs)

trunk/kernel/libk/remote_sem.c

@@ -2 +2 @@
  * remote_sem.c - POSIX unnamed semaphore implementation.
  * 
- * Author   Alain Greiner  (2016,2017,2018,2019)
+ * Author   Alain Greiner  (2016,2017,2018,2019,2020)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -86 +86 @@
                            uint32_t   value )
 {
-    kmem_req_t     req;   
     remote_sem_t * sem_ptr;
 
@@ -100 +99 @@
 
     // allocate memory for new semaphore in reference cluster
-    req.type  = KMEM_KCM;
-    req.order = bits_log2( sizeof(remote_sem_t) );
-    req.flags = AF_ZERO | AF_KERNEL;
-    sem_ptr   = kmem_remote_alloc( ref_cxy, &req );
+    sem_ptr = kmem_remote_alloc( ref_cxy , bits_log2(sizeof(remote_sem_t)) , AF_ZERO );
 
     if( sem_ptr == NULL )
@@ -144 +140 @@
 void remote_sem_destroy( xptr_t sem_xp )
 {
-    kmem_req_t  req;
-
     // get pointer on local process descriptor
     process_t * process = CURRENT_THREAD->process;
@@ -176 +170 @@
 
     // release memory allocated for semaphore descriptor
-    req.type = KMEM_KCM;
-    req.ptr  = sem_ptr;
-    kmem_remote_free( sem_cxy , &req );
+    kmem_remote_free( sem_cxy , sem_ptr , bits_log2(sizeof(remote_sem_t)) );
 
 }  // end remote_sem_destroy()