c00cf4a068
More specifically, this change can be summarized as follows: 1) Makes an lldbHostPosix library which contains code common to all posix platforms. 2) Creates Host/FileSystem.h which defines a common FileSystem interface. 3) Implements FileSystem.h in Host/windows and Host/posix. 4) Creates Host/FileCache.h, implemented in Host/common, which defines a class useful for storing handles to open files needed by the debugger. Differential Revision: http://reviews.llvm.org/D4889 llvm-svn: 215775
96 lines
1.9 KiB
C++
96 lines
1.9 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/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_path()
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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_path.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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if (m_path.empty())
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return NULL;
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return m_path.c_str();
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}
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bool
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FileAction::Open(int fd, const char *path, bool read, bool write)
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{
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if ((read || write) && fd >= 0 && path && path[0])
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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_path.assign(path);
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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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