summaryrefslogtreecommitdiff
path: root/src/common/spin_lock.h
diff options
context:
space:
mode:
authorAmeer <aj662@drexel.edu>2020-07-04 00:59:40 -0400
committerAmeer <aj662@drexel.edu>2020-07-04 00:59:40 -0400
commitf829932ed191ad469df01342191bf2725e8a20bb (patch)
tree0ae185ce3ef43ef9b085aae7b9ad5abb04e3d239 /src/common/spin_lock.h
parentd00972fce1fe5f2eb13c7e5d7e4e56036cb6bc91 (diff)
parent3096adb3471af1b094d670751e476c337007d299 (diff)
Fix merge conflicts?
Diffstat (limited to 'src/common/spin_lock.h')
-rw-r--r--src/common/spin_lock.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/common/spin_lock.h b/src/common/spin_lock.h
new file mode 100644
index 000000000..1df5528c4
--- /dev/null
+++ b/src/common/spin_lock.h
@@ -0,0 +1,26 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+
+namespace Common {
+
+/**
+ * SpinLock class
+ * a lock similar to mutex that forces a thread to spin wait instead calling the
+ * supervisor. Should be used on short sequences of code.
+ */
+class SpinLock {
+public:
+ void lock();
+ void unlock();
+ bool try_lock();
+
+private:
+ std::atomic_flag lck = ATOMIC_FLAG_INIT;
+};
+
+} // namespace Common