Re: Do most embeded OS and related compilers contains a mechanism like __try{}

"Fergus Henderson" <fjh@students.cs.mu.OZ.AU> wrote in message
> gramon@163.com (gramon) writes:
> >I am studing __try{} in ms Windows and VC,and I am intrested in this
> >mechanism which links the compiler and the OS.But i am not very clear
> >how it works. ...
> >[That's what setjmp and longjmp are for. -John]
>
> In particular, if you are looking for an exception handling library
> that you can use from C code, see my CXCPT library
> <http://www.cs.mu.oz.au/~fjh/CXCPT/index.html>.


For more information, see the Jan 1997 MSJ article " A Crash Course on the
Depths of Win32 Structured Exception Handling"
by Matt Pietrek available at (all on one line):


http://www.microsoft.com/msj/defaultframe.asp?page=/msj/0197/exception/exception.htm&nav=/msj/0197/newnav.htm


Win32 provides a pretty sophisticated mechanism for exception handling
that are setjmp/longjmp-less, and can be used by any compiler that
cares to implement it. Apart from MS products, I'm not aware of any
other Windows-based compiler that uses this technique. The article is
worth (and will probably take) several readings, as the concepts are
not simple; but once grasped you will see that this is an extremely
elegant solution to the problem of handling exceptions in, as the name
suggests, a structured way.


--
Regards
Alex McDonald

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