https://svn.boost.org/trac10/ticket/7273 <p> The mapped_file class opens the file unconditionally via: </p> <div class="wiki-code"><div class="code"><pre><span class="o">::</span><span class="n">open</span><span class="p">(</span><span class="n">p</span><span class="p">.</span><span class="n">path</span><span class="p">.</span><span class="n">c_str</span><span class="p">(),</span> <span class="n">flags</span><span class="p">,</span> <span class="n">S_IRWXU</span><span class="p">);</span> </pre></div></div><p> Which sets the permissions to read, write, execute for the owner and no permissions for group or others. </p> <p> This is quite unexpected, and since it cannot be changed by the caller, I think a more sane default behavior would be to just use the default of open and let the user's umask decide the permission of newly created files. </p> <p> I.e. just remove the last parameter: </p> <div class="wiki-code"><div class="code"><pre><span class="o">::</span><span class="n">open</span><span class="p">(</span><span class="n">p</span><span class="p">.</span><span class="n">path</span><span class="p">.</span><span class="n">c_str</span><span class="p">(),</span> <span class="n">flags</span><span class="p">);</span> </pre></div></div> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/7273 Trac 1.4.3 patrick.reynolds@… Fri, 07 Mar 2014 20:33:10 GMT