Policy on global variables

[Eric Wong]

Lars Hjemli <hjemli at gmail.com> wrote:
> On Thu, Jan 16, 2014 at 2:00 AM, Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> > On Thu, Jan 16, 2014 at 1:59 AM, Eric Wong <normalperson at yhbt.net> wrote:
> >> This.  I prefer we keep passing around the ctx variable to keep the code
> >> more flexible for future reuse.  Of course, IIRC git itself has this
> >> limitation, too...
> >
> > Can anyone confirm or deny this? Is it a pointless endeavor because of
> > git's design?
> 
> Supporting something like FCGI in cgit will require a fork(2) for each
> request, before invoking libgit.a functions, since these functions are
> not generally reentrant (they tend to use global state and/or
> inconveniently die(3)).

Unfortunately true for now, but libgit.a could evolve (or cgit can use
something like libgit2 instead).