thermopshere: add spinlock try lock

2020-01-26 01:44:17 +00:00
parent 30a4a0d4c1
commit 1f2b8e7918
3 changed files with 43 additions and 9 deletions
--- a/thermosphere/src/spinlock.h
+++ b/thermosphere/src/spinlock.h
@@ -48,9 +48,13 @@ static inline void restoreInterruptFlags(u64 flags)
    SET_SYSREG(daif, flags);
 }

+// spinlock_impl.s
 void spinlockLock(Spinlock *lock);
+bool spinlockTryLock(Spinlock *lock);
 void spinlockUnlock(Spinlock *lock);
+
 void recursiveSpinlockLock(RecursiveSpinlock *lock);
+bool recursiveSpinlockTryLock(RecursiveSpinlock *lock);
 void recursiveSpinlockUnlock(RecursiveSpinlock *lock);

 static inline u64 spinlockLockMaskIrq(Spinlock *lock)