Changeset 337 for trunk/kernel/libk/remote_spinlock.c

Timestamp:

Aug 7, 2017, 12:50:17 PM (7 years ago)

Author:

alain

Message:

Introduce the delayed context switch if current thread has a lock.

File:

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

trunk/kernel/libk/remote_spinlock.c

@@ -141 +141 @@
 
         hal_remote_swd( XPTR( lock_cxy , &lock_ptr->owner ) , XPTR_NULL );
-
         hal_remote_sw ( XPTR( lock_cxy , &lock_ptr->taken ) , 0 );
-
         thread_ptr->remote_locks--;
-
         xlist_unlink( XPTR( lock_cxy , &lock_ptr->list ) );
 
+    // deschedule if pending request
+    thread_check_sched();
+ 
+    // restore IRQs
         hal_restore_irq( irq_state );
 }
@@ -211 +212 @@
 
         hal_remote_swd( XPTR( lock_cxy , &lock_ptr->owner ) , XPTR_NULL );
-
         hal_remote_sw ( XPTR( lock_cxy , &lock_ptr->taken ) , 0 );
-
         thread_ptr->remote_locks--;
-
         xlist_unlink( XPTR( lock_cxy , &lock_ptr->list ) );
+
+    // deschedule if pending request
+    thread_check_sched();
 }