diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Target/FileAction.cpp')
-rw-r--r-- | contrib/llvm/tools/lldb/source/Target/FileAction.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/FileAction.cpp b/contrib/llvm/tools/lldb/source/Target/FileAction.cpp new file mode 100644 index 0000000..8611ff5 --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Target/FileAction.cpp @@ -0,0 +1,117 @@ +//===-- FileAction.cpp ------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include <fcntl.h> + +#if defined(_WIN32) +#include "lldb/Host/Windows/win32.h" // For O_NOCTTY +#endif + +#include "lldb/Core/Stream.h" +#include "lldb/Target/FileAction.h" + +using namespace lldb_private; + +//---------------------------------------------------------------------------- +// FileAction member functions +//---------------------------------------------------------------------------- + +FileAction::FileAction() : + m_action(eFileActionNone), + m_fd(-1), + m_arg(-1), + m_path() +{ +} + +void +FileAction::Clear() +{ + m_action = eFileActionNone; + m_fd = -1; + m_arg = -1; + m_path.clear(); +} + +const char * +FileAction::GetPath() const +{ + if (m_path.empty()) + return NULL; + return m_path.c_str(); +} + +bool +FileAction::Open(int fd, const char *path, bool read, bool write) +{ + if ((read || write) && fd >= 0 && path && path[0]) + { + m_action = eFileActionOpen; + m_fd = fd; + if (read && write) + m_arg = O_NOCTTY | O_CREAT | O_RDWR; + else if (read) + m_arg = O_NOCTTY | O_RDONLY; + else + m_arg = O_NOCTTY | O_CREAT | O_WRONLY; + m_path.assign(path); + return true; + } + else + { + Clear(); + } + return false; +} + +bool +FileAction::Close(int fd) +{ + Clear(); + if (fd >= 0) + { + m_action = eFileActionClose; + m_fd = fd; + } + return m_fd >= 0; +} + +bool +FileAction::Duplicate(int fd, int dup_fd) +{ + Clear(); + if (fd >= 0 && dup_fd >= 0) + { + m_action = eFileActionDuplicate; + m_fd = fd; + m_arg = dup_fd; + } + return m_fd >= 0; +} + +void +FileAction::Dump(Stream &stream) const +{ + stream.PutCString("file action: "); + switch (m_action) + { + case eFileActionClose: + stream.Printf("close fd %d", m_fd); + break; + case eFileActionDuplicate: + stream.Printf("duplicate fd %d to %d", m_fd, m_arg); + break; + case eFileActionNone: + stream.PutCString("no action"); + break; + case eFileActionOpen: + stream.Printf("open fd %d with '%s', OFLAGS = 0x%x", m_fd, m_path.c_str(), m_arg); + break; + } +} |