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Remove temporary file on signal.

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Without this lld leaves temporary files behind when it crashes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247994 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-09-18 15:17:53 +00:00
parent 81a5ddcd9f
commit e016c66756
1 changed files with 6 additions and 1 deletions
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7
lib/Support/FileOutputBuffer.cpp
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@ -15,6 +15,7 @@
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Signals.h"
#include <system_error>
#if !defined(_MSC_VER) && !defined(__MINGW32__)
@ -74,6 +75,8 @@ FileOutputBuffer::create(StringRef FilePath, size_t Size, unsigned Flags) {
if (EC)
return EC;
sys::RemoveFileOnSignal(TempFilePath);
#ifndef LLVM_ON_WIN32
// On Windows, CreateFileMapping (the mmap function on Windows)
// automatically extends the underlying file. We don't need to
@ -104,6 +107,8 @@ std::error_code FileOutputBuffer::commit() {
// Rename file to final name.
return sys::fs::rename(Twine(TempPath), Twine(FinalPath));
std::error_code EC = sys::fs::rename(Twine(TempPath), Twine(FinalPath));
sys::DontRemoveFileOnSignal(TempPath);
return EC;
}
} // namespace