Changeset 4a6da62 in mainline for kernel/generic/src/synch/rcu.c

Timestamp:

2012-07-24T14:20:54Z (13 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

64be561

Parents:

5b382774

Message:

rcu: Added rcu_read_locked().

File:

• kernel/generic/src/synch/rcu.c (modified) (1 diff)

kernel/generic/src/synch/rcu.c

@@ -386 +386 @@
         
         preemption_enable();
+}
+
+/** Returns true if in an rcu reader section. */
+bool rcu_read_locked(void)
+{
+        preemption_disable();
+        bool locked = 0 < *CPU->rcu.pnesting_cnt;
+        preemption_enable();
+        
+        return locked;
 }