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Date:	Thu, 2 Jun 2022 17:32:24 +0900
From:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To:	cygwin AT cygwin DOT com
Subject:	Re: shebang env sh stopped working with coreutils-8.32-1
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On Wed, 1 Jun 2022 21:38:53 +0200
Daniel Jeliński wrote:
> śr., 1 cze 2022 o 18:21 Ken Brown <kbrown AT cornell DOT edu> napisał(a):
> > The original report on that issue
> > (https://cygwin.com/pipermail/cygwin/2022-March/251095.html) described it as
> > long-standing.  Are you saying that it got worse with cygwin-3.3.x?  That would
> > be disappointing, because we overhauled the internal implementation of pipes in
> > cygwin-3.3.0.
> 
> Yessir. I'm also using Cygwin to build OpenJDK. With Cygwin 3.2.0, the
> build starts with 8 threads and usually loses no more than 1-2 tokens;
> with 3.3.5 the build either finishes with a single token, or segfaults
> after a few seconds.
> FWIW, I haven't seen any problems with single-threaded builds.

How can we reproduce the losing jobserver token issue?

I tried the following steps, however, no such messages appeared.

1) git clone https://git.openjdk.java.net/jdk/
2) cd jdk
3) export TEMP=/tmp
4) bash configure
5) make images

The summary of the configuration is as follows:

Configuration summary:
* Name:           windows-x86_64-server-release
* Debug level:    release
* HS debug level: product
* JVM variants:   server
* JVM features:   server: 'cds compiler1 compiler2 epsilongc g1gc jfr jni-check jvmci jvmti management parallelgc serialgc services shenandoahgc vm-structs zgc'
* OpenJDK target: OS: windows, CPU architecture: x86, address length: 64
* Version string: 19-internal-adhoc.yano.jdk (19-internal)
* Source date:    Determined at build time

Tools summary:
* Environment:    cygwin version 3.3.5-341.x86_64, 2022-05-13 12:27 UTC; windows version 10.0.19044.1706; prefix "/cygdrive"; root "C:\cygwin64"
* Boot JDK:       java version "18" 2022-03-22 Java(TM) SE Runtime Environment (build 18+36-2087) Java HotSpot(TM) 64-Bit Server VM (build 18+36-2087, mixed mode, sharing) (at /cygdrive/c/progra~1/java/jdk-18)
* Toolchain:      microsoft (Microsoft Visual Studio 2022)
* C Compiler:     Version 19.32.31329 (at /cygdrive/c/progra~1/micros~1/2022/commun~1/vc/tools/msvc/1432~1.313/bin/hostx86/x64/cl.exe)
* C++ Compiler:   Version 19.32.31329 (at /cygdrive/c/progra~1/micros~1/2022/commun~1/vc/tools/msvc/1432~1.313/bin/hostx86/x64/cl.exe)

Build performance summary:
* Build jobs:     8
* Memory limit:   16136 MB


$ cygcheck -c autoconf make zip unzip
Cygwin Package Information
Package              Version        Status
autoconf             15-1           OK
make                 4.3-1          OK
unzip                6.0-17         OK
zip                  3.0-12         OK

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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