digitalmars.D

digitalmars.D - 8505

Russel Winder (13/13) Dec 26 2012 Issue 8505 remains a threads regression problem as far as I can see.

Walter Bright (3/6) Dec 26 2012 I know this is asking a lot, but very few people understand threads well...

Dmitry Olshansky (11/19) Dec 26 2012 By looking at the code I see it's almost the same as in issue 8774.

Walter Bright (4/8) Dec 26 2012 Thank you for doing the reduction. I looked at it, though, and it is

Russel Winder (19/21) Dec 27 2012 enough=20

Walter Bright (4/14) Dec 27 2012 Thank you for giving it a go. For this issue, I don't think you need to ...
=?UTF-8?B?QWxpIMOHZWhyZWxp?= (8/10) Dec 27 2012 This project may be helpful:

Russel Winder (19/34) Dec 28 2012 Sadly this does not work with symbolic links due to use of .. within a
Russel Winder (13/28) Dec 28 2012 It also needs to have a clean as well as a generate. Looks like a sever
Russel Winder (27/35) Dec 28 2012 Also I think this needs to be made into a Git multi-module project so

Walter Bright (2/18) Dec 28 2012

Russel Winder (21/22) Dec 29 2012 [=E2=80=A6]

David Nadlinger (6/7) Dec 29 2012 GDC and LDC both use druntime/Phobos, but integrate it into their
John Colvin (7/10) Dec 29 2012 Not much in D compiles without druntime, for the vast majority
Andrei Alexandrescu (4/15) Dec 29 2012 Phobos must build druntime because on Posix the druntime library is
Walter Bright (7/19) Dec 29 2012 That is controlled by the line:

Russel Winder (22/24) Dec 29 2012 e best=20

Walter Bright (2/7) Dec 29 2012 I didn't know there was such a thing as a super-project!

Jonathan M Davis (4/12) Dec 29 2012 You can integrate git repositories into other git repositories as submod...
Russel Winder (15/30) Dec 29 2012 s
Jacob Carlborg (4/5) Dec 30 2012 That has been suggested several times before.

Russel Winder (14/19) Dec 30 2012 https://github.com/russel/dlang-workspace/tree/submodules
Walter Bright (3/4) Dec 30 2012 Yeah, well, there is a *lot* of information posted here every day. I dou...

Jacob Carlborg (4/6) Dec 30 2012 It sure is. Some information are repeated more often than others.

Russel Winder <russel winder.org.uk> writes:

Issue 8505 remains a threads regression problem as far as I can see.
Works fine with LDC2 and DMD 2.059, fails dismally with DMD 2.060.

http://d.puremagic.com/issues/show_bug.cgi?id=3D8505

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 26 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/26/2012 7:30 AM, Russel Winder wrote:
 Issue 8505 remains a threads regression problem as far as I can see.
 Works fine with LDC2 and DMD 2.059, fails dismally with DMD 2.060.

 http://d.puremagic.com/issues/show_bug.cgi?id=8505

I know this is asking a lot, but very few people understand threads well enough 
to investigate this. Would you be willing to?

Dec 26 2012

Dmitry Olshansky <dmitry.olsh gmail.com> writes:

12/27/2012 2:12 AM, Walter Bright пишет:
 On 12/26/2012 7:30 AM, Russel Winder wrote:
 Issue 8505 remains a threads regression problem as far as I can see.
 Works fine with LDC2 and DMD 2.059, fails dismally with DMD 2.060.

 http://d.puremagic.com/issues/show_bug.cgi?id=8505

 I know this is asking a lot, but very few people understand threads well
 enough to investigate this. Would you be willing to?

By looking at the code I see it's almost the same as in issue 8774.
http://d.puremagic.com/issues/show_bug.cgi?id=8774
I think the root case is exactly the same - stack corruption with a 
nested closure.

So if you have some time I'd ask you to take a look at 8774 as there are 
no threads nor standard library involved in the latest reduced test-case 
that was derived from similar code.

Anyway I'm going to investigate 8505 too.

-- 
Dmitry Olshansky

Dec 26 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/26/2012 2:38 PM, Dmitry Olshansky wrote:
 So if you have some time I'd ask you to take a look at 8774 as there are no
 threads nor standard library involved in the latest reduced test-case that was
 derived from similar code.

Thank you for doing the reduction. I looked at it, though, and it is 
terrifyingly complex :-)

 Anyway I'm going to investigate 8505 too.

Thank you.

Dec 26 2012

Russel Winder <russel winder.org.uk> writes:

On Wed, 2012-12-26 at 14:12 -0800, Walter Bright wrote:
[=E2=80=A6]
 I know this is asking a lot, but very few people understand threads well =

enough=20
 to investigate this. Would you be willing to?

Willing, yes; caveat actually being able to build DMD, Druntime and
Phobos from Git clones. Able, not so sure, apart from 2012-12-30 and
2013-01-01 I seem to have very few free hours between now and end of
February.

I'll see if I can get the Git clone / build bit working to lower the
barrier to entry.

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 27 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/27/2012 3:37 AM, Russel Winder wrote:
 On Wed, 2012-12-26 at 14:12 -0800, Walter Bright wrote:
 […]
 I know this is asking a lot, but very few people understand threads well enough
 to investigate this. Would you be willing to?

 Willing, yes; caveat actually being able to build DMD, Druntime and
 Phobos from Git clones. Able, not so sure, apart from 2012-12-30 and
 2013-01-01 I seem to have very few free hours between now and end of
 February.

 I'll see if I can get the Git clone / build bit working to lower the
 barrier to entry.

Thank you for giving it a go. For this issue, I don't think you need to build 
the compiler (just download the latest beta), but you will need to be able to 
build the library.

Dec 27 2012

=?UTF-8?B?QWxpIMOHZWhyZWxp?= <acehreli yahoo.com> writes:

On 12/27/2012 03:37 AM, Russel Winder wrote:

 Willing, yes; caveat actually being able to build DMD, Druntime and
 Phobos from Git clones.

This project may be helpful:

   https://github.com/carlor/dlang-workspace

It has been announced here:

   http://forum.dlang.org/thread/ygwzndxbwzrxzlhuooty forum.dlang.org

I had to do an additional step to get it working:

   $ chmod a+x posix/gen.sh

Ali

Dec 27 2012

Russel Winder <russel winder.org.uk> writes:

On Thu, 2012-12-27 at 11:34 -0800, Ali =C3=87ehreli wrote:
 On 12/27/2012 03:37 AM, Russel Winder wrote:
=20
  > Willing, yes; caveat actually being able to build DMD, Druntime and
  > Phobos from Git clones.
=20
 This project may be helpful:
=20
    https://github.com/carlor/dlang-workspace

Sadly this does not work with symbolic links due to use of .. within a
shell script that uses cd. The script needs rewriting to set up absolute
paths at the outset and then work with them rather than relative paths.

I guess I should do the rewrite and submit a pull request. We'll see.

 It has been announced here:
=20
    http://forum.dlang.org/thread/ygwzndxbwzrxzlhuooty forum.dlang.org
=20
 I had to do an additional step to get it working:
=20
    $ chmod a+x posix/gen.sh

Only needed if you want to do:

$ posix/gen.sh

rather than=20

$ bash posix/gen.sh

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 28 2012

Russel Winder <russel winder.org.uk> writes:

On Fri, 2012-12-28 at 12:34 +0000, Russel Winder wrote:
 On Thu, 2012-12-27 at 11:34 -0800, Ali =C3=87ehreli wrote:
 On 12/27/2012 03:37 AM, Russel Winder wrote:
=20
  > Willing, yes; caveat actually being able to build DMD, Druntime and
  > Phobos from Git clones.
=20
 This project may be helpful:
=20
    https://github.com/carlor/dlang-workspace

=20
 Sadly this does not work with symbolic links due to use of .. within a
 shell script that uses cd. The script needs rewriting to set up absolute
 paths at the outset and then work with them rather than relative paths.
=20
 I guess I should do the rewrite and submit a pull request. We'll see.

It also needs to have a clean as well as a generate. Looks like a sever
rewrite is coming up!

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 28 2012

Russel Winder <russel winder.org.uk> writes:

On Thu, 2012-12-27 at 11:34 -0800, Ali =C3=87ehreli wrote:
 On 12/27/2012 03:37 AM, Russel Winder wrote:
=20
  > Willing, yes; caveat actually being able to build DMD, Druntime and
  > Phobos from Git clones.
=20
 This project may be helpful:
=20
    https://github.com/carlor/dlang-workspace

Also I think this needs to be made into a Git multi-module project so
that the cloning and update pulling of the repositories is handled
automatically by Git.

I have rewritten the script to handle symbolic links and cleaning but
this still leaves a problem with one of the components which insists on
an exact relative position of components as real directories. This means
there are too many assumptions in the DMD/Druntime/Phobos build for it
to be considered stable.

Whilst I think SCons can easily handle all this better than the Make
scripts currently there, I have no intention of promoting that solution
as I realize many want to promote a D-based build solution for C, C++, D
systems.

Also of course, I am a n00b to the build of DMD/Druntime/Phobos and so
have no right to have strong opinions :-)  What I can say is that the
current system isn't really up to scratch for someone wading in to it
from scratch.
--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 28 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/28/2012 6:35 AM, Russel Winder wrote:
 Also I think this needs to be made into a Git multi-module project so
 that the cloning and update pulling of the repositories is handled
 automatically by Git.

 I have rewritten the script to handle symbolic links and cleaning but
 this still leaves a problem with one of the components which insists on
 an exact relative position of components as real directories. This means
 there are too many assumptions in the DMD/Druntime/Phobos build for it
 to be considered stable.

Which component and where is the problem?

 Whilst I think SCons can easily handle all this better than the Make
 scripts currently there, I have no intention of promoting that solution
 as I realize many want to promote a D-based build solution for C, C++, D
 systems.

 Also of course, I am a n00b to the build of DMD/Druntime/Phobos and so
 have no right to have strong opinions :-)  What I can say is that the
 current system isn't really up to scratch for someone wading in to it
 from scratch.

Dec 28 2012

Russel Winder <russel winder.org.uk> writes:

On Fri, 2012-12-28 at 10:53 -0800, Walter Bright wrote:
[=E2=80=A6]
 Which component and where is the problem?

[=E2=80=A6]

The Phobos build depends on Druntime and makes the assumptions that it
is in ../druntime via the:

	${MAKE} -C ../druntime =E2=80=A6

line in the posix.mak file.

I would have thought DMD, Druntime and Phobos should be buildable
independently but this seems not to be the case, in which case they
should perhaps be a single multi-module project.

How do GDC and LDC relate to Druntime and Phobos?

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 29 2012

"David Nadlinger" <see klickverbot.at> writes:

On Saturday, 29 December 2012 at 11:01:20 UTC, Russel Winder 
wrote:
 How do GDC and LDC relate to Druntime and Phobos?

GDC and LDC both use druntime/Phobos, but integrate it into their 
own build system instead of relying on the makefiles in the 
upstream repositories.

David

Dec 29 2012

"John Colvin" <john.loughran.colvin gmail.com> writes:

On Saturday, 29 December 2012 at 11:01:20 UTC, Russel Winder 
wrote:

 I would have thought DMD, Druntime and Phobos should be 
 buildable
 independently but this seems not to be the case

Not much in D compiles without druntime, for the vast majority 
purposes it's a necessity.

Also, there are bits of the language itself that are dependant on 
phobos (x**y)

The 3 are pretty inextracably linked together.

Dec 29 2012

Andrei Alexandrescu <SeeWebsiteForEmail erdani.org> writes:

On 12/29/12 6:01 AM, Russel Winder wrote:
 On Fri, 2012-12-28 at 10:53 -0800, Walter Bright wrote:
 […]
 Which component and where is the problem?

 […]

 The Phobos build depends on Druntime and makes the assumptions that it
 is in ../druntime via the:

 	${MAKE} -C ../druntime …

 line in the posix.mak file.

 I would have thought DMD, Druntime and Phobos should be buildable
 independently but this seems not to be the case, in which case they
 should perhaps be a single multi-module project.

Phobos must build druntime because on Posix the druntime library is 
integrated within the final library, libphobos.a.

Andrei

Dec 29 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/29/2012 3:01 AM, Russel Winder wrote:
 On Fri, 2012-12-28 at 10:53 -0800, Walter Bright wrote:
 […]
 Which component and where is the problem?

 […]

 The Phobos build depends on Druntime and makes the assumptions that it
 is in ../druntime via the:

 	${MAKE} -C ../druntime …

 line in the posix.mak file.

That is controlled by the line:

DRUNTIME_PATH = ../druntime

in posix.mak. What would be a better default?


 I would have thought DMD, Druntime and Phobos should be buildable
 independently but this seems not to be the case, in which case they
 should perhaps be a single multi-module project.

The order to build things is dmd, druntime, phobos. Perhaps it was not the best 
idea to make them separate projects, but I think we're stuck with that now.

 How do GDC and LDC relate to Druntime and Phobos?

I don't know.

Dec 29 2012

Russel Winder <russel winder.org.uk> writes:

On Sat, 2012-12-29 at 13:16 -0800, Walter Bright wrote:
[=E2=80=A6]
 The order to build things is dmd, druntime, phobos. Perhaps it was not th=

e best=20
 idea to make them separate projects, but I think we're stuck with that no=

w.
[=E2=80=A6]

I get the feeling GDC and LDC would be hard to manage if druntime and
Phobos were tightly integrated with DMD so that split is actually good.

I think having DMD, Druntime and Phobos as distinct Git repositories is
right, which means that using a super-project such as
https://github.com/carlor/dlang-workspace with the three as submodules
makes a great deal of sense. Then GDC and LDC can organize things as
they need.

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 29 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/29/2012 1:40 PM, Russel Winder wrote:
 I think having DMD, Druntime and Phobos as distinct Git repositories is
 right, which means that using a super-project such as
 https://github.com/carlor/dlang-workspace with the three as submodules
 makes a great deal of sense. Then GDC and LDC can organize things as
 they need.


I didn't know there was such a thing as a super-project!

Dec 29 2012

Jonathan M Davis <jmdavisProg gmx.com> writes:

On Saturday, December 29, 2012 13:43:11 Walter Bright wrote:
 On 12/29/2012 1:40 PM, Russel Winder wrote:
 I think having DMD, Druntime and Phobos as distinct Git repositories is
 right, which means that using a super-project such as
 https://github.com/carlor/dlang-workspace with the three as submodules
 makes a great deal of sense. Then GDC and LDC can organize things as
 they need.

 
 I didn't know there was such a thing as a super-project!

You can integrate git repositories into other git repositories as submodules.

http://git-scm.com/book/en/Git-Tools-Submodules

- Jonathan M Davis

Dec 29 2012

Russel Winder <russel winder.org.uk> writes:

On Sat, 2012-12-29 at 13:49 -0800, Jonathan M Davis wrote:
 On Saturday, December 29, 2012 13:43:11 Walter Bright wrote:
 On 12/29/2012 1:40 PM, Russel Winder wrote:
 I think having DMD, Druntime and Phobos as distinct Git repositories =



is
 right, which means that using a super-project such as
 https://github.com/carlor/dlang-workspace with the three as submodule=



s
 makes a great deal of sense. Then GDC and LDC can organize things as
 they need.

=20
 I didn't know there was such a thing as a super-project!

=20
 You can integrate git repositories into other git repositories as submodu=

les.
=20
 http://git-scm.com/book/en/Git-Tools-Submodules
=20
 - Jonathan M Davis


cf. https://github.com/russel/dlang-workspace/tree/submodules

--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 29 2012

Jacob Carlborg <doob me.com> writes:

On 2012-12-29 22:43, Walter Bright wrote:

 I didn't know there was such a thing as a super-project!

That has been suggested several times before.

-- 
/Jacob Carlborg

Dec 30 2012

Russel Winder <russel winder.org.uk> writes:

On Sun, 2012-12-30 at 19:56 +0100, Jacob Carlborg wrote:
 On 2012-12-29 22:43, Walter Bright wrote:
=20
 I didn't know there was such a thing as a super-project!

=20
 That has been suggested several times before.

https://github.com/russel/dlang-workspace/tree/submodules

based on:

https://github.com/carlor/dlang-workspace


--=20
Russel.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder ekiga.n=
et
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

Dec 30 2012

Walter Bright <newshound2 digitalmars.com> writes:

On 12/30/2012 10:56 AM, Jacob Carlborg wrote:
 That has been suggested several times before.


Yeah, well, there is a *lot* of information posted here every day. I doubt 
anyone could keep up with it all, at least I can't.

Dec 30 2012

Jacob Carlborg <doob me.com> writes:

On 2012-12-30 20:33, Walter Bright wrote:

 Yeah, well, there is a *lot* of information posted here every day. I
 doubt anyone could keep up with it all, at least I can't.

It sure is. Some information are repeated more often than others.

-- 
/Jacob Carlborg

Dec 30 2012

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