Re: removing old trap behavior causes serious issues on Solaris

[Chet Ramey]

Vince Del Vecchio wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: sparc
> OS: solaris2.8
> Compiler: gcc
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='sparc' 
> -DCONF_OSTYPE='solaris2.8' -DCONF_MACHTYPE='sparc-sun-solaris2.8' 
> -DCONF_VENDOR='sun' -DLOCALEDIR='/cpd/misc/share/locale' -DPACKAGE='bash' 
> -DSHELL -DHAVE_CONFIG_H  -I.  -I.. -I../include -I../lib -I../lib/intl 
> -I/cpd/src/gnu/bash/3.0/sol58/lib/intl  -O3
> uname output: SunOS dejavu.spd.analog.com 5.8 Generic_108528-29 sun4u sparc 
> SUNW,Ultra-2
> Machine Type: sparc-sun-solaris2.8
>
> Bash Version: 3.0
> Patch Level: 0
> Release Status: release
>
> Description:
> The NEWS file says:
>
> > oo. The historical behavior of `trap' that allows a missing `action' argument
> >    to cause each specified signal's handling to be reset to its default is
> >    now only supported when `trap' is given a single non-option argument.

A measure of backwards compatibility was introduced by patch 3 to
bash-3.0.

ftp://ftp.cwru.edu/pub/bash/bash-3.0-patches/

POSIX specifies the original bash-3.0 behavior.  Solaris is not a
POSIX system.

Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
                                                Live...Laugh...Love
Chet Ramey, ITS, CWRU    chet@po.cwru.edu 
http://tiswww.tis.cwru.edu/~chet/