From: matz@... (Yukihiro Matsumoto)
Date: 2002-06-18T08:08:50+09:00
Subject: Re: How is rb_protect supposed to work?

Hi,

In message "How is rb_protect supposed to work?"
    on 02/06/18, "Jens Nissen" <frodo.hobbit@gmx.net> writes:

|I have embedded Ruby into my application and got the following problem:
|I have a Script
|    which calls "load"
|        the loaded Script calls my C-Extension-Function foo,
|            which calls with rb_protect a Ruby function.
|                This Ruby-function throws an exception and
|            C-function returns nicely because rb_protect handles it.

             put "ruby_errinfo = Qnil;" here to clear.

|       script terminates
|   ("load") rb_load terminates and throws the exception again (!!! surprise
|!!!)
|   because it was stored in the global variable ruby_errinfo

rb_protect() is a primitive.  rb_rescue() clears ruby_errinfo
automagically.

							matz.