NAME ==== Unix::errno - Provide transparent access to errno SYNOPSIS ======== use Unix::errno; # exports errno, set_errno set_errno(2); say errno; # No such file or directory (errno = 2) say "failed: {errno}"; # failed: No such file or directory say +errno; # 2 DESCRIPTION =========== This module provides access to the `errno` variable that is available on all Unix-like systems. Please note that in a threaded environment such as Raku is, the value of `errno` is even more volatile than it has been already. For now, this issue is ignored. CAVEATS ======= Since setting of any "extern" variables is not supported yet by `NativeCall`, the setting of `errno` is faked. If `set_errno` is called, it will set the value only in a shadow copy. That value will be returned As long as the underlying "real" errno doesn't change (at which point that value will be returned. AUTHOR ====== Elizabeth Mattijsen Source can be located at: https://github.com/lizmat/Unix-errno . Comments and Pull Requests are welcome. COPYRIGHT AND LICENSE ===================== Copyright 2018 Elizabeth Mattijsen This library is free software; you can redistribute it and/or modify it under the Artistic License 2.0.