On Sat 06 Mar 2021 17:55, Marius Bakke <mar...@gnu.org> writes: > $ ls -l /proc/self/fd > lrwx------ 1 marius marius 64 Mar 6 17:41 0 -> /dev/pts/18 > lrwx------ 1 marius marius 64 Mar 6 17:41 1 -> /dev/pts/18 > lrwx------ 1 marius marius 64 Mar 6 17:41 2 -> /dev/pts/18 > lr-x------ 1 marius marius 64 Mar 6 17:41 3 -> /proc/9940/fd > > $ /tmp/test-shell -c 'ls -l /proc/self/fd' > lrwx------ 1 marius marius 64 Mar 6 17:41 0 -> /dev/pts/18 > lrwx------ 1 marius marius 64 Mar 6 17:41 1 -> /dev/pts/18 > lrwx------ 1 marius marius 64 Mar 6 17:41 2 -> /dev/pts/18 > lr-x------ 1 marius marius 64 Mar 6 17:41 3 -> /proc/9951/fd > lr-x------ 1 marius marius 64 Mar 6 17:41 7 -> /tmp/test-shell > > I've managed to work around it by setting FD_CLOEXEC on it: > > (port-for-each (lambda (port) > (let ((name (port-filename port)) > (self (car (program-arguments)))) > (when (and name (string=? name self)) > (fcntl port F_SETFD (logior FD_CLOEXEC > (fcntl port F_GETFD))))))) > > But it seems heavy-handed. Is there an easier way to access the "script > port"? Perhaps Guile itself should make it FD_CLOEXEC by default?
I think Guile itself should make the load port FD_CLOEXEC / O_CLOEXEC. More broadly there are a number of file descriptors in Guile that should be cloexec but aren't yet. Want to make a patch for the load port ? :) Andy