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

Represents a temporary file. More...

#include "llvm/Support/FileSystem.h"

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

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

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 857 of file FileSystem.h.

Constructor & Destructor Documentation

TempFile()

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

(

TempFile &&

Other

)

Definition at line 1211 of file Path.cpp.

References llvm::Other.

~TempFile()

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

(

)

Definition at line 1224 of file Path.cpp.

References assert(), and ~TempFile().

Referenced by ~TempFile().

Member Function Documentation

create()

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

static

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

Definition at line 1325 of file Path.cpp.

References llvm::consumeError(), create(), llvm::sys::fs::createUniqueFile(), llvm::errorCodeToError(), FD, H, llvm::sys::fs::OF_Delete, llvm::operation_not_permitted, and llvm::sys::RemoveFileOnSignal().

Referenced by create(), createOnDiskBuffer(), llvm::localCache(), llvm::writeArchive(), llvm::writeToOutput(), and llvm::object::writeUniversalBinary().

discard()

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

(

)

Definition at line 1226 of file Path.cpp.

References discard(), llvm::sys::DontRemoveFileOnSignal(), llvm::errnoAsErrorCode(), llvm::errorCodeToError(), FD, llvm::sys::fs::remove(), and TmpName.

Referenced by discard(), and llvm::localCache().

keep() [1/2]

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

(

)

Definition at line 1305 of file Path.cpp.

References assert(), llvm::sys::DontRemoveFileOnSignal(), llvm::errnoAsErrorCode(), llvm::errorCodeToError(), FD, H, keep(), llvm::Error::success(), and TmpName.

keep() [2/2]

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

(

const Twine &

Name

)

Definition at line 1254 of file Path.cpp.

References assert(), llvm::sys::fs::copy_file(), llvm::sys::DontRemoveFileOnSignal(), llvm::errnoAsErrorCode(), llvm::errorCodeToError(), FD, H, keep(), llvm::sys::fs::remove(), llvm::sys::fs::rename(), and TmpName.

Referenced by keep(), keep(), and llvm::localCache().

operator=()

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

(

TempFile &&

Other

)

Definition at line 1212 of file Path.cpp.

References FD, operator=(), llvm::Other, and TmpName.

Referenced by operator=().

Member Data Documentation

FD

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

Definition at line 874 of file FileSystem.h.

Referenced by create(), discard(), keep(), keep(), llvm::localCache(), and operator=().

TmpName

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

Definition at line 871 of file FileSystem.h.

Referenced by discard(), keep(), keep(), llvm::localCache(), and operator=().

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

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