Changeset 581 for trunk/kernel/libk/remote_barrier.h

Timestamp:

Oct 10, 2018, 3:11:53 PM (6 years ago)

Author:

alain

Message:

1) Improve the busylock debug infrastructure.
2) introduce a non-distributed, but portable implementation for the pthread_barrier.

File:

• trunk/kernel/libk/remote_barrier.h (modified) (3 diffs)

trunk/kernel/libk/remote_barrier.h

@@ -33 +33 @@
  *          This file defines a POSIX compliant barrier.
  *
- * It is used by multi-threaded iuser applications to synchronise threads running in
+ * It is used by multi-threaded user applications to synchronise threads running in
  * different clusters, as all access functions uses hal_remote_l32() / hal_remote_s32()
  * remote access primitives.
@@ -61 +61 @@
 typedef struct remote_barrier_s
 {
-    remote_busylock_t  lock;          /*! lock protecting xlist of arrived threads      */
+    remote_busylock_t  lock;          /*! lock protecting list of waiting threads       */
     intptr_t           ident;         /*! virtual address in user space == identifier   */
     uint32_t           current;       /*! number of arrived threads                     */
@@ -67 +67 @@
     uint32_t           nb_threads;    /*! number of expected threads                    */ 
     xlist_entry_t      list;          /*! member of list of barriers in same process    */
-    xlist_entry_t      root;          /*! root of list of arrived threads               */
+    xlist_entry_t      root;          /*! root of list of waiting threads               */
 } 
 remote_barrier_t;