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📄 Config.h.cmake(1.2 KB)
📄 ConnectionFileDescriptor.h(528 B)
📄 Debug.h(4.44 KB)
📄 Editline.h(12.4 KB)
📄 File.h(15.26 KB)
📄 FileAction.h(1.35 KB)
📄 FileCache.h(1.29 KB)
📄 FileSystem.h(6.84 KB)
📄 Host.h(10.04 KB)
📄 HostGetOpt.h(699 B)
📄 HostInfo.h(2.6 KB)
📄 HostInfoBase.h(4.05 KB)
📄 HostNativeProcess.h(728 B)
📄 HostNativeProcessBase.h(1.43 KB)
📄 HostNativeThread.h(690 B)
📄 HostNativeThreadBase.h(1.46 KB)
📄 HostNativeThreadForward.h(753 B)
📄 HostProcess.h(1.7 KB)
📄 HostThread.h(1.32 KB)
📄 LZMA.h(883 B)
📄 LockFile.h(704 B)
📄 LockFileBase.h(1.52 KB)
📄 MainLoop.h(3.83 KB)
📄 MainLoopBase.h(2.91 KB)
📄 MonitoringProcessLauncher.h(1.12 KB)
📄 OptionParser.h(1.51 KB)
📄 Pipe.h(668 B)
📄 PipeBase.h(2.26 KB)
📄 PosixApi.h(743 B)
📄 ProcessLaunchInfo.h(5.36 KB)
📄 ProcessLauncher.h(735 B)
📄 ProcessRunLock.h(2.02 KB)
📄 PseudoTerminal.h(8.45 KB)
📄 SafeMachO.h(3.25 KB)
📄 Socket.h(4.56 KB)
📄 SocketAddress.h(5.77 KB)
📄 StringConvert.h(1.26 KB)
📄 Terminal.h(5.12 KB)
📄 ThreadLauncher.h(1.39 KB)
📄 Time.h(718 B)
📄 XML.h(4.7 KB)
📁 common
📁 freebsd
📁 netbsd
📁 openbsd
📁 posix

Editing: ProcessRunLock.h

//===-- ProcessRunLock.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 LLDB_HOST_PROCESSRUNLOCK_H
#define LLDB_HOST_PROCESSRUNLOCK_H

#include <stdint.h>
#include <time.h>

#include "lldb/lldb-defines.h"

/// Enumerations for broadcasting.
namespace lldb_private {

/// \class ProcessRunLock ProcessRunLock.h "lldb/Host/ProcessRunLock.h"
/// A class used to prevent the process from starting while other
/// threads are accessing its data, and prevent access to its data while it is
/// running.

class ProcessRunLock {
public:
  ProcessRunLock();
  ~ProcessRunLock();

bool ReadTryLock();
  bool ReadUnlock();
  bool SetRunning();
  bool TrySetRunning();
  bool SetStopped();

class ProcessRunLocker {
  public:
    ProcessRunLocker() : m_lock(nullptr) {}

~ProcessRunLocker() { Unlock(); }

// Try to lock the read lock, but only do so if there are no writers.
    bool TryLock(ProcessRunLock *lock) {
      if (m_lock) {
        if (m_lock == lock)
          return true; // We already have this lock locked
        else
          Unlock();
      }
      if (lock) {
        if (lock->ReadTryLock()) {
          m_lock = lock;
          return true;
        }
      }
      return false;
    }

protected:
    void Unlock() {
      if (m_lock) {
        m_lock->ReadUnlock();
        m_lock = nullptr;
      }
    }

ProcessRunLock *m_lock;

private:
    ProcessRunLocker(const ProcessRunLocker &) = delete;
    const ProcessRunLocker &operator=(const ProcessRunLocker &) = delete;
  };

protected:
  lldb::rwlock_t m_rwlock;
  bool m_running;

private:
  ProcessRunLock(const ProcessRunLock &) = delete;
  const ProcessRunLock &operator=(const ProcessRunLock &) = delete;
};

} // namespace lldb_private

#endif // LLDB_HOST_PROCESSRUNLOCK_H

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Editing: ProcessRunLock.h

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