Changeset 23 for trunk/kernel/libk/remote_rwlock.h

Timestamp:

Jun 18, 2017, 10:06:41 PM (7 years ago)

Author:

alain

Message:

Introduce syscalls.

File:

• trunk/kernel/libk/remote_rwlock.h (modified) (2 diffs)

trunk/kernel/libk/remote_rwlock.h

@@ -30 +30 @@
 
 /***************************************************************************************
- * This structure defines a remote rwdlock,that supports several simultaneous read 
+ * This file defines a remote kernel lock, that supports several simultaneous read 
  * accesses, but only one write access. It implements a ticket based allocation policy.
  * It can be used to synchronize threads running in different clusters, because
@@ -41 +41 @@
  * When the lock is taken by another thread, the new-comers use a busy waiting policy.
  *
- * TODO This could be replaced by a descheduling policy and a threads waiting queue
- * implemented in the lock itself: each thread releasing the lock (i.e. incrementing
- * the current field) activates the first waiting thread... 
+ * It uses a busy-waiting policy if the lock is already allocated to another thread.
  **************************************************************************************/