Re: why write lua_unlock before lua_lock?

[Luiz Henrique de Figueiredo <lhf@...>]

> - I thinks the code in ldump is buggy.

ldump.c does unlock before calling the user-supplied writer function.
lundump.c does the same (in luaZ_fill). Every time you enter userland
you need to unlock; it's like a Lua API function returning.