Changeset 11 for trunk/kernel/libk/spinlock.h

Timestamp:

Apr 26, 2017, 2:29:23 PM (7 years ago)

Author:

alain

Message:

Merge all FS related files in one single vfs directory.

File:

• trunk/kernel/libk/spinlock.h (modified) (3 diffs)

trunk/kernel/libk/spinlock.h

@@ -75 +75 @@
  * This blocking function uses a busy waiting strategy to lock a local spinlock.
  * It polls the lock and returns only when the lock has been taken.
- * If the irq_state argument is not NULL, all IRQs are disabled and will keep disabled
- * until the lock is released. If irq_state is NULL, the IRQs are only disabled
- * during the lock acquisition polling loop.
+ * All IRQs are disabled and will keep disabled until the lock is released. 
  * It increments the calling thread local_locks count when the lock has been taken.
  *******************************************************************************************
@@ -88 +86 @@
 /*******************************************************************************************
  * This function releases a local busy_waiting spinlock.
- * It restores the CPU SR state, if required by the restore argument.
+ * It restores the CPU SR state.
  *******************************************************************************************
  * @ lock       : pointer on spinlock
- * @ restore    : restore the CPU SR (from irq_state) if true
  * @ irq_state  : value to be resrored in CPU SR 
  ******************************************************************************************/
 void spinlock_unlock_busy( spinlock_t * lock,
-                           bool_t       restore,
                            uint32_t     irq_state );
 
@@ -115 +111 @@
  * @ returns 0 if success / returns non zero if lock already taken. 
  ******************************************************************************************/
-uint32_t spinlock_trylock( spinlock_t * lock );
+error_t spinlock_trylock( spinlock_t * lock );
 
 /*******************************************************************************************