Unix error handling

[Paul S. Sawyer]

In article <tim.652548167 at Xsys> tim at Xsys..uucp (Tim Dawson) writes:
>david at Neon.Stanford.EDU (David M. Alexander) writes:
>
>>You must have been reading about AIXv3 setjmp() and longjmp() recently.
>>You can use these calls to do exactly that.
>>AIXv3 is turning out to be a really nice OS.
>
>I hate to pop this bubble, but setjmp() and longjmp() are NOT from AIX - they 
>are a part of the SysVR3 release from AT&T and are utilized within Unix, among
>other places.  Source of my information: AT&T System 5 Release 3 internals
>training.  I have not checked too many OS ports, but this (based on the above)
>exists in AIX, and also exists in Motorola SysV68 and SysV88, and I suspect in
>most all ports of System V Release 3!  Let's not give IBM credit for something
>that they definitely did NOT come up with!
>--

They were in System V Release 2.0 and 2.1, also;  Prog. Ref. Manual, setjmp(3C).
Wait - - Release [1.]5.3 had it too - - guess SysV "always" did!
-- 
Paul S. Sawyer              uunet!unh!unhtel!paul     paul at unhtel.UUCP
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