forked from OSchip/llvm-project
123 lines
2.6 KiB
C++
123 lines
2.6 KiB
C++
//===-- FileAction.cpp ------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <fcntl.h>
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#if defined(_WIN32)
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#include "lldb/Host/Windows/win32.h" // For O_NOCTTY
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#endif
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#include "lldb/Core/Stream.h"
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#include "lldb/Target/FileAction.h"
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using namespace lldb_private;
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//----------------------------------------------------------------------------
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// FileAction member functions
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//----------------------------------------------------------------------------
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FileAction::FileAction() :
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m_action(eFileActionNone),
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m_fd(-1),
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m_arg(-1),
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m_file_spec()
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{
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}
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void
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FileAction::Clear()
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{
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m_action = eFileActionNone;
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m_fd = -1;
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m_arg = -1;
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m_file_spec.Clear();
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}
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const char *
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FileAction::GetPath() const
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{
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return m_file_spec.GetCString();
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}
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const FileSpec &
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FileAction::GetFileSpec() const
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{
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return m_file_spec;
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}
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bool
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FileAction::Open(int fd, const FileSpec &file_spec, bool read, bool write)
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{
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if ((read || write) && fd >= 0 && file_spec)
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{
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m_action = eFileActionOpen;
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m_fd = fd;
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if (read && write)
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m_arg = O_NOCTTY | O_CREAT | O_RDWR;
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else if (read)
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m_arg = O_NOCTTY | O_RDONLY;
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else
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m_arg = O_NOCTTY | O_CREAT | O_WRONLY;
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m_file_spec = file_spec;
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return true;
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}
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else
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{
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Clear();
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}
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return false;
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}
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bool
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FileAction::Close(int fd)
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{
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Clear();
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if (fd >= 0)
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{
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m_action = eFileActionClose;
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m_fd = fd;
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}
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return m_fd >= 0;
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}
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bool
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FileAction::Duplicate(int fd, int dup_fd)
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{
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Clear();
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if (fd >= 0 && dup_fd >= 0)
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{
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m_action = eFileActionDuplicate;
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m_fd = fd;
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m_arg = dup_fd;
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}
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return m_fd >= 0;
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}
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void
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FileAction::Dump(Stream &stream) const
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{
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stream.PutCString("file action: ");
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switch (m_action)
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{
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case eFileActionClose:
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stream.Printf("close fd %d", m_fd);
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break;
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case eFileActionDuplicate:
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stream.Printf("duplicate fd %d to %d", m_fd, m_arg);
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break;
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case eFileActionNone:
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stream.PutCString("no action");
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break;
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case eFileActionOpen:
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stream.Printf("open fd %d with '%s', OFLAGS = 0x%x",
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m_fd, m_file_spec.GetCString(), m_arg);
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break;
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}
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}
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