Changeset 446 for trunk/kernel/kern/chdev.c

Timestamp:

Jun 19, 2018, 5:12:57 PM (6 years ago)

Author:

alain

Message:

miscelaneous...

File:

• trunk/kernel/kern/chdev.c (modified) (2 diffs)

trunk/kernel/kern/chdev.c

@@ -198 +198 @@
     hal_disable_irq( &save_sr );
 
-    // take the lock
+    // take the lock protecting chdev waiting queue
     remote_spinlock_lock( lock_xp );
 
@@ -204 +204 @@
     thread_block( XPTR( local_cxy , CURRENT_THREAD ) , THREAD_BLOCKED_IO );
 
+    // unblock server thread if required
     if( hal_remote_lw( blocked_xp ) & THREAD_BLOCKED_IDLE )
     thread_unblock( server_xp , THREAD_BLOCKED_IDLE );