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Groups > comp.programming > #1553 > unrolled thread

variable breakpoint

Started bybob <bob@coolfone.comze.com>
First post2012-05-07 14:56 -0700
Last post2012-05-08 15:26 -0500
Articles 6 — 6 participants

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  variable breakpoint bob <bob@coolfone.comze.com> - 2012-05-07 14:56 -0700
    Re: variable breakpoint Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-05-07 15:30 -0700
      Re: variable breakpoint jt@toerring.de (Jens Thoms Toerring) - 2012-05-08 12:39 +0000
    Re: variable breakpoint Sjouke Burry <s@b> - 2012-05-08 04:52 +0000
    Re: variable breakpoint James Dow Allen <jdallen2000@yahoo.com> - 2012-05-08 10:04 -0700
      Re: variable breakpoint Robert Wessel <robertwessel2@yahoo.com> - 2012-05-08 15:26 -0500

#1553 — variable breakpoint

Frombob <bob@coolfone.comze.com>
Date2012-05-07 14:56 -0700
Subjectvariable breakpoint
Message-ID<18155830.411.1336427761623.JavaMail.geo-discussion-forums@ynll26>
What's that called when you have a breakpoint that gets triggered when a variable's value changes?

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#1554

FromDaniel Pitts <newsgroup.nospam@virtualinfinity.net>
Date2012-05-07 15:30 -0700
Message-ID<R1Ypr.36121$Ec.8585@newsfe16.iad>
In reply to#1553
On 5/7/12 2:56 PM, bob wrote:
> What's that called when you have a breakpoint that gets triggered when a variable's value changes?


My IDE (IntelliJ IDEA) calls it a Field Watchpoint, which may be 
somewhat Java specific.  I think a Watchpoint works as the general 
concept.

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#1557

Fromjt@toerring.de (Jens Thoms Toerring)
Date2012-05-08 12:39 +0000
Message-ID<a0sigdFjl9U1@mid.uni-berlin.de>
In reply to#1554
Daniel Pitts <newsgroup.nospam@virtualinfinity.net> wrote:
> On 5/7/12 2:56 PM, bob wrote:
> > What's that called when you have a breakpoint that gets triggered when
> > a variable's value changes?

> My IDE (IntelliJ IDEA) calls it a Field Watchpoint, which may be 
> somewhat Java specific.  I think a Watchpoint works as the general 
> concept.

It's also called a watchpoint in gdb or in the Perl debugger.
Other names sometimes used seem to be "conditional breakpoint"
and "data breakpoint".
                             Regards, Jens
-- 
  \   Jens Thoms Toerring  ___      jt@toerring.de
   \__________________________      http://toerring.de

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#1555

FromSjouke Burry <s@b>
Date2012-05-08 04:52 +0000
Message-ID<XnsA04D459FD8443sjoukeburrysoesterbe@213.75.12.10>
In reply to#1553
bob <bob@coolfone.comze.com> wrote in
news:18155830.411.1336427761623.JavaMail.geo-discussion-forums@ynll26: 

> What's that called when you have a breakpoint that gets triggered when
> a variable's value changes? 
> 

An if or case statement?

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#1560

FromJames Dow Allen <jdallen2000@yahoo.com>
Date2012-05-08 10:04 -0700
Message-ID<6d74129f-5a2a-40d0-a6cf-ccc056722de9@wp13g2000pbb.googlegroups.com>
In reply to#1553
IBM has/had Program Event Recording (PER) for its mainframes which
implements this (in hardware/firmware depending on model?)

Did anyone here ever use PER?

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#1563

FromRobert Wessel <robertwessel2@yahoo.com>
Date2012-05-08 15:26 -0500
Message-ID<090jq79f0h7f7v1qojagndrc1mcd2asih7@4ax.com>
In reply to#1560
On Tue, 8 May 2012 10:04:35 -0700 (PDT), James Dow Allen
<jdallen2000@yahoo.com> wrote:

>IBM has/had Program Event Recording (PER) for its mainframes which
>implements this (in hardware/firmware depending on model?)
>
>Did anyone here ever use PER?


Sure.  VM, for example, provides a very direct interface to the PER
facilities, which you can use to debug running code.  Other OSs use it
under the hood.

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