https://svn.boost.org/trac10/ticket/12359 <p> This occurs 8 times within the implementation file: </p> <p> Lines 51 to 55: </p> <pre class="wiki"> if (read_descriptor_ != -1) { ::fcntl(read_descriptor_, F_SETFL, O_NONBLOCK); ::fcntl(read_descriptor_, F_SETFD, FD_CLOEXEC); } </pre><p> Lines 67 to 71: </p> <pre class="wiki"> if (read_descriptor_ != -1) { ::fcntl(read_descriptor_, F_SETFL, O_NONBLOCK); ::fcntl(read_descriptor_, F_SETFD, FD_CLOEXEC); } </pre><p> Lines 78 to 86: </p> <pre class="wiki"> if (pipe(pipe_fds) == 0) { read_descriptor_ = pipe_fds[0]; ::fcntl(read_descriptor_, F_SETFL, O_NONBLOCK); ::fcntl(read_descriptor_, F_SETFD, FD_CLOEXEC); write_descriptor_ = pipe_fds[1]; ::fcntl(write_descriptor_, F_SETFL, O_NONBLOCK); ::fcntl(write_descriptor_, F_SETFD, FD_CLOEXEC); } </pre><p> This goes as far back as 1.54 and is present in the development trunk. In these cases, what is the correct behavior if fcntl fails? I assume throwing a boost::system::error_code? Does any resource need to be released/closed explicitly in these cases? </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/12359 Trac 1.4.3