diff options
-rw-r--r-- | llvm/include/llvm/Support/FileOutputBuffer.h | 4 | ||||
-rw-r--r-- | llvm/lib/Support/FileOutputBuffer.cpp | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/llvm/include/llvm/Support/FileOutputBuffer.h b/llvm/include/llvm/Support/FileOutputBuffer.h index ee8cbb73087..68226ca5550 100644 --- a/llvm/include/llvm/Support/FileOutputBuffer.h +++ b/llvm/include/llvm/Support/FileOutputBuffer.h @@ -76,6 +76,10 @@ public: /// deallocates the buffer and the target file is never written. virtual ~FileOutputBuffer() {} + /// This removes the temporary file (unless it already was committed) + /// but keeps the memory mapping alive. + virtual void discard() {} + protected: FileOutputBuffer(StringRef Path) : FinalPath(Path) {} diff --git a/llvm/lib/Support/FileOutputBuffer.cpp b/llvm/lib/Support/FileOutputBuffer.cpp index 1214b5a0ba1..b8223126227 100644 --- a/llvm/lib/Support/FileOutputBuffer.cpp +++ b/llvm/lib/Support/FileOutputBuffer.cpp @@ -61,6 +61,12 @@ public: consumeError(Temp.discard()); } + void discard() override { + // Delete the temp file if it still was open, but keeping the mapping + // active. + consumeError(Temp.discard()); + } + private: std::unique_ptr<fs::mapped_file_region> Buffer; fs::TempFile Temp; |