[boost] [Boost-bugs] [ boost-Bugs-1701807 ] exists() throws exeption on existing but locked file on wind

From: SourceForge.net (noreply_at_[hidden])
Date: 2007-04-16 16:52:58

Bugs item #1701807, was opened at 2007-04-16 15:52
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Category: filesystem
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Hartmut Kaiser (hkaiser)
Assigned to: Beman Dawes (beman_dawes)
Summary: exists() throws exeption on existing but locked file on wind

Initial Comment:
boost::filesystem::exists(somepath) throws an exception from when 'somepath' exists but is locked by some other process (at least on Windows).

A simple way to reproduce the effect is:

#include <iostream>
#include <boost/filesystem.hpp>

int main()
{
    boost::filesystem::path p("C:\\pagefile.sys");
    try {
        boost::filesystem::exists(p);
    }
    catch (...) {
        std::cerr << "Ooops..." << std::endl;
    }
    return 0;
}

Throwing an exception doesn't seem to be the right thing here, since the file actually exists, so I'ld expect to get a 'true' back from exists().

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