calling from C to Lua to C and back to Lua?

[Markus Klotzbuecher <markus.klotzbuecher@...>]

Dear List,

Is the following permitted:

Calling from C into Lua (using pcall), which in turn calls a C
function that then calls back into the same Lua (pcall again)?

The only information I could find is the following (which suggests it
is OK):

http://article.gmane.org/gmane.comp.lang.lua.general/14661/match=recursive+pcall+lua

Thank you in advance!
Markus