Changes in kernel/generic/include/synch/spinlock.h [9d58539:cc106e4] in mainline

File:

• kernel/generic/include/synch/spinlock.h (modified) (3 diffs)

kernel/generic/include/synch/spinlock.h

@@ -45 +45 @@
 #ifdef CONFIG_SMP
 
-typedef struct {
+typedef struct spinlock {
         atomic_t val;
         
@@ -162 +162 @@
 /* On UP systems, spinlocks are effectively left out. */
 
+/* Allow the use of spinlock_t as an incomplete type. */
+typedef struct spinlock spinlock_t;
+
 #define SPINLOCK_DECLARE(name)
 #define SPINLOCK_EXTERN(name)
@@ -176 +179 @@
 
 #define spinlock_lock(lock)     preemption_disable()
-#define spinlock_trylock(lock)  (preemption_disable(), 1)
+#define spinlock_trylock(lock)  ({ preemption_disable(); 1; })
 #define spinlock_unlock(lock)   preemption_enable()
 #define spinlock_locked(lock)   1