gspawn: treat all negative fds as unset
Philip Withnall suggests that glib should treat all negative file descriptors as unset/invalid, rather than explicitly requiring them to be -1.
This can simplify the logic for some users of this code.
Philip Withnall suggests that glib should treat all negative file descriptors as unset/invalid, rather than explicitly requiring them to be -1.
This can simplify the logic for some users of this code.