//===- llvm/Support/ThreadLocal.h - Thread Local Data ------------*- 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

//

//===----------------------------------------------------------------------===//

//

// This file declares the llvm::sys::ThreadLocal class.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_THREADLOCAL_H

#define LLVM_SUPPORT_THREADLOCAL_H

#include "llvm/Support/DataTypes.h"

#include "llvm/Support/Threading.h"

#include <cassert>

namespace llvm {

  namespace sys {

    // ThreadLocalImpl - Common base class of all ThreadLocal instantiations.

    // YOU SHOULD NEVER USE THIS DIRECTLY.

    class ThreadLocalImpl {

      typedef uint64_t ThreadLocalDataTy;

      /// Platform-specific thread local data.

      ///

      /// This is embedded in the class and we avoid malloc'ing/free'ing it,

      /// to make this class more safe for use along with CrashRecoveryContext.

      union {

        char data[sizeof(ThreadLocalDataTy)];

        ThreadLocalDataTy align_data;

      };

    public:

      ThreadLocalImpl();

      virtual ~ThreadLocalImpl();

      void setInstance(const void* d);

      void *getInstance();

      void removeInstance();

    };

    /// ThreadLocal - A class used to abstract thread-local storage.  It holds,

    /// for each thread, a pointer a single object of type T.

    template<class T>

    class ThreadLocal : public ThreadLocalImpl {

    public:

      ThreadLocal() : ThreadLocalImpl() { }

Unexecuted instantiation: CrashRecoveryContext.cpp:_ZN4llvm3sys11ThreadLocalIKN12_GLOBAL__N_124CrashRecoveryContextImplEEC2Ev

Unexecuted instantiation: _ZN4llvm3sys11ThreadLocalIKNS_20CrashRecoveryContextEEC2Ev

      /// get - Fetches a pointer to the object associated with the current

      /// thread.  If no object has yet been associated, it returns NULL;

      T* get() { return static_cast<T*>(getInstance()); }

Unexecuted instantiation: CrashRecoveryContext.cpp:_ZN4llvm3sys11ThreadLocalIKN12_GLOBAL__N_124CrashRecoveryContextImplEE3getEv

Unexecuted instantiation: _ZN4llvm3sys11ThreadLocalIKNS_20CrashRecoveryContextEE3getEv

      // set - Associates a pointer to an object with the current thread.

      void set(T* d) { setInstance(d); }

Unexecuted instantiation: CrashRecoveryContext.cpp:_ZN4llvm3sys11ThreadLocalIKN12_GLOBAL__N_124CrashRecoveryContextImplEE3setEPS4_

Unexecuted instantiation: _ZN4llvm3sys11ThreadLocalIKNS_20CrashRecoveryContextEE3setEPS3_

      // erase - Removes the pointer associated with the current thread.

      void erase() { removeInstance(); }

    };

  }

}

#endif