Changeset cc106e4 in mainline for kernel/generic/include

Timestamp:

2012-11-07T18:44:33Z (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:

fc89e32

Parents:

2708f6a

Message:

Fixed build for sparc64/ultra, sparc64/niagara, ppc32, mips32/GXemul.

Location:

kernel/generic/include/synch

Files:

• condvar.h (modified) (2 diffs)
• spinlock.h (modified) (3 diffs)

kernel/generic/include/synch/condvar.h

@@ -51 +51 @@
         _condvar_wait_timeout((cv), (mtx), (usec), SYNCH_FLAGS_NONE)
 
+#ifdef CONFIG_SMP
+#define _condvar_wait_timeout_spinlock(cv, lock, usec, flags) \
+        _condvar_wait_timeout_spinlock_impl((cv), (lock), (usec), (flags))
+#else
+#define _condvar_wait_timeout_spinlock(cv, lock, usec, flags) \
+        _condvar_wait_timeout_spinlock_impl((cv), NULL, (usec), (flags))
+#endif
+
 extern void condvar_initialize(condvar_t *cv);
 extern void condvar_signal(condvar_t *cv);
@@ -56 +64 @@
 extern int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, uint32_t usec,
     int flags);
-extern int _condvar_wait_timeout_spinlock(condvar_t *cv, spinlock_t *lock, 
+extern int _condvar_wait_timeout_spinlock_impl(condvar_t *cv, spinlock_t *lock, 
         uint32_t usec, int flags);
 extern int _condvar_wait_timeout_irq_spinlock(condvar_t *cv, 

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