Changeset c842f04 in mainline for include/synch/spinlock.h

Timestamp:

2005-09-01T09:19:56Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

e3b9572

Parents:

f9447155

Message:

Preemption work.
Instrument spinlock functions with preemption_disable() and preemption_enable() calls.

File:

• include/synch/spinlock.h (modified) (2 diffs)

include/synch/spinlock.h

@@ -32 +32 @@
 #include <arch/types.h>
 #include <typedefs.h>
+#include <preemption.h>
 
 #ifdef __SMP__
@@ -49 +50 @@
 
 #define spinlock_initialize(x)
-#define spinlock_lock(x)
-#define spinlock_trylock(x) 1
-#define spinlock_unlock(x)
+#define spinlock_lock(x)                preemption_disable()
+#define spinlock_trylock(x)             (preemption_disable(), 1)
+#define spinlock_unlock(x)              preemption_enable()
 
 #endif