Subject: Re: /usr/include/m68k/setjmp.h: _JBCEN 17 why?
To: Arthur Hoffmann <firstname.lastname@example.org>
From: John C. Hayward <email@example.com>
Date: 02/04/1996 14:31:56
On Sun, 4 Feb 1996, Arthur Hoffmann wrote:
> I am trying very hard to get postgres to run on my Amiga 3000 running
> #define _JBLEN 17 /* size, in longs, of a jmp_buf
> Well I wanted to know what the 17 was supposed to mean, but couldn't
> find any info on it. I then went and checked the include files of a
> SUN3 computer and there I found that _JBLEN is defined to be 58!
> What is the meaning of this?
Basicly this is space required for save registers/enviornment for
a context switch. Different architectures with a different number
of registers will have a different size.