Zbigniew Jędrzejewski-Szmek <zbys...@in.waw.pl> writes: > On Fri, Nov 13, 2015 at 09:27:17AM +0100, Jan Synáček wrote: >> Hello, >> >> if anybody lurking here and hacking on systemd also likes scheme, I >> created bindings for GNU Guile [1]. The API is far from covered, but >> journal API and sd_listen* stuff is usable. You can now write socket >> activated services in scheme! >> >> [1] https://github.com/jsynacek/guile-systemd > > Hi, > > when you construct a list like this, do you have normal or reverse order: > for (i = 0; i < r; i++) > s_fds = scm_cons(scm_from_int(SD_LISTEN_FDS_START+i), s_fds); > ?
Good catch, it's reversed. But, does it really matter in practice?
> return sd_booted() ? SCM_BOOL_T : SCM_BOOL_F;
> → sd_booted can return negative for error.
_public_ int sd_booted(void) {
return laccess("/run/systemd/system/", F_OK) >= 0;
}
This returns a "boolean" value. I'm not really sure why it would return
anything else. But, the documentation indeed says that it can return
negative values when it fails.
Cheers,
--
Jan Synacek
Software Engineer, Red Hat
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