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Limited old cached objects detection

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Paweł Bylica 2015-01-16 22:41:47 +01:00
parent 84b6251181
commit 0ba0833138
1 changed files with 14 additions and 0 deletions
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14
libevmjit/Cache.cpp
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@ -36,6 +36,20 @@ std::unique_ptr<llvm::Module> Cache::getObject(std::string const& id)
llvm::sys::path::system_temp_directory(false, cachePath);
llvm::sys::path::append(cachePath, "evm_objs", id);
#if defined(__GNUC__) && !defined(NDEBUG)
llvm::sys::fs::file_status st;
auto err = llvm::sys::fs::status(cachePath.str(), st);
if (err)
return nullptr;
auto mtime = st.getLastModificationTime().toEpochTime();
std::tm tm;
strptime(__DATE__ __TIME__, " %b %d %Y %H:%M:%S", &tm);
auto btime = (uint64_t)std::mktime(&tm);
if (btime > mtime)
return nullptr;
#endif
if (auto r = llvm::MemoryBuffer::getFile(cachePath.str(), -1, false))
lastObject = llvm::MemoryBuffer::getMemBufferCopy(r.get()->getBuffer());
else if (r.getError() != std::make_error_code(std::errc::no_such_file_or_directory))