llvm::sys::fs::TempFile Class Reference

Represents a temporary file. More...

#include "llvm/Support/FileSystem.h"

Collaboration diagram for llvm::sys::fs::TempFile:

Public Member Functions
	TempFile (TempFile &&Other)
TempFile &	operator= (TempFile &&Other)
Error	keep (const Twine &Name)
Error	keep ()
Error	discard ()
	~TempFile ()

Static Public Member Functions
static Expected< TempFile >	create (const Twine &Model, unsigned Mode=all_read|all_write)
	This creates a temporary file with createUniqueFile and schedules it for deletion with sys::RemoveFileOnSignal. More...

Public Attributes
std::string	TmpName
int	FD = -1

Detailed Description

Represents a temporary file.

The temporary file must be eventually discarded or given a final name and kept.

The destructor doesn't implicitly discard because there is no way to properly handle errors in a destructor.

Definition at line 806 of file FileSystem.h.

Constructor & Destructor Documentation

TempFile()

llvm::sys::fs::TempFile::TempFile

(

TempFile &&

Other

)

Definition at line 1120 of file Path.cpp.

References Other.

~TempFile()

llvm::sys::fs::TempFile::~TempFile

(

)

Definition at line 1128 of file Path.cpp.

References assert().

Member Function Documentation

create()

Expected< TempFile > llvm::sys::fs::TempFile::create ( const Twine &  Model, unsigned  Mode = all_read | all_write  )

static

This creates a temporary file with createUniqueFile and schedules it for deletion with sys::RemoveFileOnSignal.

Definition at line 1222 of file Path.cpp.

References llvm::consumeError(), llvm::sys::fs::createUniqueFile(), discard(), llvm::errorCodeToError(), llvm::sys::fs::OF_Delete, llvm::operation_not_permitted, llvm::sys::RemoveFileOnSignal(), and llvm::MipsISD::Ret.

Referenced by createOnDiskBuffer(), llvm::lto::localCache(), and llvm::writeArchive().

discard()

Error llvm::sys::fs::TempFile::discard

(

)

Definition at line 1130 of file Path.cpp.

References llvm::sys::DontRemoveFileOnSignal(), llvm::errorCodeToError(), and llvm::sys::fs::remove().

Referenced by create(), createOnDiskBuffer(), and llvm::lto::localCache().

keep() [1/2]

Error llvm::sys::fs::TempFile::keep

(

const Twine &

Name

)

Definition at line 1154 of file Path.cpp.

References assert(), llvm::sys::fs::copy_file(), llvm::sys::DontRemoveFileOnSignal(), llvm::errorCodeToError(), H, and rename().

Referenced by llvm::lto::localCache().

keep() [2/2]

Error llvm::sys::fs::TempFile::keep

(

)

Definition at line 1199 of file Path.cpp.

References assert(), llvm::sys::DontRemoveFileOnSignal(), llvm::errorCodeToError(), H, and llvm::Error::success().

operator=()

TempFile & llvm::sys::fs::TempFile::operator=

(

TempFile &&

Other

)

Definition at line 1121 of file Path.cpp.

References Other.

Member Data Documentation

FD

int llvm::sys::fs::TempFile::FD = -1

Definition at line 822 of file FileSystem.h.

Referenced by createOnDiskBuffer(), and llvm::lto::localCache().

TmpName

std::string llvm::sys::fs::TempFile::TmpName

Definition at line 819 of file FileSystem.h.

Referenced by llvm::lto::localCache().

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The documentation for this class was generated from the following files:

• include/llvm/Support/FileSystem.h
• lib/Support/Path.cpp