Subject: Re: [boost] [filesystems] file for rename not found
From: Florian Lindner (mailinglists_at_[hidden])
Date: 2019-03-14 09:04:20
Sorry for the missing subject, hit the send button accidentally.
Am 14.03.19 um 09:31 schrieb Florian Lindner via Boost:
> I have this innocent piece of code:
> namespace fs = boost::filesystem;
> auto path = getFilename(); // returns a string
> std::ofstream ofs(path + "~");
> ofs << info;
> fs::rename(path + "~", path);
> which causes the exception:
> boost::filesystem::rename: No such file or directory: "../9f/061b4f7a5e529c964659226eedd4e5~", "../9f/061b4f7a5e529c964659226eedd4e5"
> However, I have no idea how that could happen. I use the rename, so that a reading process never sees an empty file, but only no file or filed with info. Is there any race involved between ofs.close() and fs:rename()? The code was executed on a distributed network filesystem (lustre).
> Any ideas anyone?
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