Changeset 469 for trunk/kernel/libk

Timestamp:

Aug 20, 2018, 1:04:16 PM (6 years ago)

Author:

alain

Message:

1) Introduce the libsemaphore library.
2) Introduce a small libmath library, required by the "fft" application..
3) Introduce the multithreaded "fft" application.
4) Fix a bad synchronisation bug in the Copy-On-Write mechanism.

File:

• trunk/kernel/libk/remote_sem.c (modified) (2 diffs)

trunk/kernel/libk/remote_sem.c

@@ -43 +43 @@
     // get cluster and local pointer on reference process 
     cxy_t          ref_cxy = GET_CXY( ref_xp );
-    process_t    * ref_ptr = (process_t *)GET_PTR( ref_xp );
+    process_t    * ref_ptr = GET_PTR( ref_xp );
 
     // get extended pointer on root of semaphores list 
@@ -60 +60 @@
         sem_xp  = XLIST_ELEMENT( iter_xp , remote_sem_t , list );
         sem_cxy = GET_CXY( sem_xp );
-        sem_ptr = (remote_sem_t *)GET_PTR( sem_xp );
+        sem_ptr = GET_PTR( sem_xp );
         ident   = (intptr_t)hal_remote_lpt( XPTR( sem_cxy , &sem_ptr->ident ) );   
+
         if( ident == vaddr )
         {