1 files changed, 38 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/scudo/standalone/condition_variable_linux.h b/contrib/llvm-project/compiler-rt/lib/scudo/standalone/condition_variable_linux.h
new file mode 100644
index 000000000000..cd073287326d
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/scudo/standalone/condition_variable_linux.h
@@ -0,0 +1,38 @@
+//===-- condition_variable_linux.h ------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SCUDO_CONDITION_VARIABLE_LINUX_H_
+#define SCUDO_CONDITION_VARIABLE_LINUX_H_
+
+#include "platform.h"
+
+#if SCUDO_LINUX
+
+#include "atomic_helpers.h"
+#include "condition_variable_base.h"
+#include "thread_annotations.h"
+
+namespace scudo {
+
+class ConditionVariableLinux
+    : public ConditionVariableBase<ConditionVariableLinux> {
+public:
+  void notifyAllImpl(HybridMutex &M) REQUIRES(M);
+
+  void waitImpl(HybridMutex &M) REQUIRES(M);
+
+private:
+  u32 LastNotifyAll = 0;
+  atomic_u32 Counter = {};
+};
+
+} // namespace scudo
+
+#endif // SCUDO_LINUX
+
+#endif // SCUDO_CONDITION_VARIABLE_LINUX_H_