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//===-- IOObject.h ----------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_Host_Common_IOObject_h_
#define liblldb_Host_Common_IOObject_h_
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include "lldb/lldb-private.h"
namespace lldb_private {
class IOObject
{
public:
typedef enum
{
eFDTypeFile, // Other FD requiring read/write
eFDTypeSocket, // Socket requiring send/recv
} FDType;
// TODO: On Windows this should be a HANDLE, and wait should use
// WaitForMultipleObjects
typedef int WaitableHandle;
static const WaitableHandle kInvalidHandleValue;
IOObject(FDType type, bool should_close)
: m_fd_type(type)
, m_should_close_fd(should_close)
{
}
virtual ~IOObject() {}
virtual Error Read (void *buf, size_t &num_bytes) = 0;
virtual Error Write (const void *buf, size_t &num_bytes) = 0;
virtual bool IsValid() const = 0;
virtual Error Close() = 0;
FDType GetFdType() const { return m_fd_type; }
virtual WaitableHandle GetWaitableHandle() = 0;
protected:
FDType m_fd_type;
bool m_should_close_fd; // True if this class should close the file descriptor when it goes away.
private:
DISALLOW_COPY_AND_ASSIGN (IOObject);
};
}
#endif
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