Bug report: Cygwin DLL 1.1.5-7 can cause zsh-3.0.8 to hang

David Sainty David.Sainty@optimation.co.nz
Thu Nov 16 18:07:00 GMT 2000


zsh 3.0.8 will hang after a small number of iterations with this script
entered at the command prompt (zsh -f):

while true; do a=`:`; echo $((x++)) >&2; done

It will hang after anywhere from 0 to about 30 iterations.

while true; do a=`:`; echo $((x++)) >&2; done >&-

... will take a little longer to hang, but after a while it seems to do the
same, as will '>&- <&-', and '>&- <&- 2>&-'.

1.1.4 was fine in all respects.

Sorry, no fix.

Cheers,

Dave

--------------------------------------------------------------

Cygnus Win95/NT Configuration Diagnostics
Current System Time: Fri Nov 17 14:54:37 2000

WinNT Ver 4.0 build 1381 Service Pack 6

Path:	/usr/local/bin
	/usr/bin
	/bin
	/cygdrive/c/WINNT/system32
	/cygdrive/c/WINNT
	/cygdrive/c/MSSQL7/BINN
	/cygdrive/c/sqlany50/win32
	/cygdrive/c/sqlany50/win
	/cygdrive/c/sybtools/win32
	/cygdrive/c/Program Files/Microsoft Visual Studio/Common/Tools/WinNT
	/cygdrive/c/Program Files/Microsoft Visual Studio/Common/MSDev98/Bin
	/cygdrive/c/Program Files/Microsoft Visual Studio/Common/Tools
	/cygdrive/c/Program Files/Microsoft Visual Studio/VC98/bin

SysDir: C:\WINNT\System32
WinDir: C:\WINNT

PWD = `/cygdrive/c'
USER = `administrator'
MAKE_MODE = `unix'
HOME = `/cygdrive/h'

NUMBER_OF_PROCESSORS = `1'
PROMPT = `$P$G'
LOGONSERVER = `\\ROVER'
OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
COMSPEC = `C:\WINNT\system32\cmd.exe'
!C: = `C:\cygwin\bin'
SYSTEMDRIVE = `C:'
HOSTNAME = `BUICK'
INCLUDE = `C:\Program Files\Microsoft Visual
Studio\VC98\atl\include;C:\Program Files\Microsoft Visual
Studio\VC98\mfc\include;C:\Program Files\Microsoft Visual
Studio\VC98\include'
PROCESSOR_REVISION = `0600'
MSDEVDIR = `C:\Program Files\Microsoft Visual Studio\Common\MSDev98'
PATHEXT = `.COM;.EXE;.BAT;.CMD'
COMPUTERNAME = `BUICK'
CLASSPATH = `C:\Program Files\Exceed.nt\hcljrcsv.zip;C:\Program
Files\Exceed.nt'
WINDIR = `C:\WINNT'
USERPROFILE = `C:\WINNT\Profiles\davids'
PS1 = `$ '
HOMESHARE = `\\saab\davids'
MACHTYPE = `i686-pc-cygwin'
!H: = `H:\Profile\Desktop'
PROCESSOR_IDENTIFIER = `x86 Family 6 Model 6 Stepping 0, GenuineIntel'
OS = `Windows_NT'
OLDPWD = `/cygdrive/h'
PROCESSOR_ARCHITECTURE = `x86'
TEMP = `/cygdrive/c/TEMP'
PROCESSOR_LEVEL = `6'
SYSTEMROOT = `C:\WINNT'
HOMEDRIVE = `H:'
LIB = `C:\Program Files\Microsoft Visual Studio\VC98\mfc\lib;C:\Program
Files\Microsoft Visual Studio\VC98\lib'
SHLVL = `1'
HOMEPATH = `\'
USERDOMAIN = `OPTIMATION'
SQLANY = `c:\sqlany50'
USERNAME = `DavidS'
SHELL = `/bin/sh'
HOSTTYPE = `i686'
OSTYPE = `cygwin'
TERM = `cygwin'
_ = `/usr/bin/cygcheck'
TZ = `NZST-12NZDT-13,M10.1.0/2,M3.3.0/2'

HKEY_CURRENT_USER\Software\Cygnus Solutions
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
  (default) = `/cygdrive'
  cygdrive flags = 0x00000022
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\00
  (default) = `\\.\tape1:'
  unix = `/dev/st1'
  fmixed = 0x00000000
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\01
  (default) = `\\.\tape0:'
  unix = `/dev/st0'
  fmixed = 0x00000000
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\02
  (default) = `\\.\b:'
  unix = `/dev/fd1'
  fmixed = 0x00000000
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\03
  (default) = `\\.\a:'
  unix = `/dev/fd0'
  fmixed = 0x00000000
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\04
  (default) = `c:'
  unix = `/'
  fmixed = 0x00000000
  fbinary = 0x00000000
  fsilent = 0x00000000
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/
  (default) = `C:/cygwin'
  flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
  (default) = `C:/cygwin/bin'
  flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
  (default) = `C:/cygwin/lib'
  flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\00
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\01
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\02
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\03
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\04
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\05
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\06
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\07
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\08
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\09
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0A
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0B
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0C
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0D
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0E
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0F
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\10
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\11
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\12
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\13
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\14
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\15
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\16
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\17
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\18
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\19
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1A
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1B
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1C
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1D
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro\i586-cygwin32

a:  fd           N/A    N/A                    
c:  hd  NTFS    4055Mb  79% CP CS UN PA FC     
d:  hd  NTFS    4000Mb  64% CP CS UN PA FC     
e:  cd  CDFS      21Mb 100%    CS UN           000525_0817
h:  net NTFS    3865Mb  96% CP CS    PA        Home Drive
i:  net NTFS    8675Mb  32% CP CS UN PA FC     General Data
j:  net NTFS    8675Mb  67% CP CS UN PA FC     General Data
k:  net NTFS   17516Mb  54% CP CS UN PA FC     Software_Shares
n:  net NTFS    3865Mb  96% CP CS    PA        Home Root
o:  net NTFS    5793Mb  65% CP CS    PA        office
s:  net NTFS   17516Mb  54% CP CS UN PA FC     Software_Shares
t:  net NTFS   17516Mb  54% CP CS UN PA FC     Software_Shares
u:  net NTFS   17516Mb  54% CP CS UN PA FC     Software_Shares
v:  net NTFS    8675Mb  32% CP CS UN PA FC     General Data

C:\cygwin\bin  /usr/bin  system  binmode
C:\cygwin\lib  /usr/lib  system  binmode
C:\cygwin  /        system  binmode

Found: C:\cygwin\bin\bash.exe
Found: C:\cygwin\bin\cat.exe
Found: C:\cygwin\bin\cpp.exe
Found: C:\cygwin\bin\find.exe
Found: C:\cygwin\bin\gcc.exe
Found: C:\cygwin\bin\gdb.exe
Found: C:\cygwin\bin\ld.exe
Found: C:\cygwin\bin\ls.exe
Found: C:\cygwin\bin\make.exe
Found: C:\cygwin\bin\sh.exe
Found: \bin\sh.exe
Warning: C:\cygwin\bin\sh.exe hides \bin\sh.exe

  586k 2000/08/04 .\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/8/4 12:53
    Cygwin DLL version info:
        dll major: 1001
        dll minor: 4
        dll epoch: 19
        dll bad signal mask: 19005
        dll old termios: 5
        api major: 0
        api minor: 26
        shared data: 3
        dll identifier: cygwin1
        mount registry: 2
        cygnus registry name: Cygnus Solutions
        cygwin registry name: Cygwin
        program options name: Program Options
        cygwin mount registry name: mounts v2
        build date: Thu Aug 3 20:53:46 EDT 2000
        CVS tag: cygwin-1-1-4
        shared id: cygwin1S3

  586k 2000/08/04 .\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/8/4 12:53
    Cygwin DLL version info:
        dll major: 1001
        dll minor: 4
        dll epoch: 19
        dll bad signal mask: 19005
        dll old termios: 5
        api major: 0
        api minor: 26
        shared data: 3
        dll identifier: cygwin1
        mount registry: 2
        cygnus registry name: Cygnus Solutions
        cygwin registry name: Cygwin
        program options name: Program Options
        cygwin mount registry name: mounts v2
        build date: Thu Aug 3 20:53:46 EDT 2000
        CVS tag: cygwin-1-1-4
        shared id: cygwin1S3

  609k 2000/11/11 C:\WINNT\System32\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/11/11 19:49
    Cygwin DLL version info:
        dll major: 1001
        dll minor: 5
        dll epoch: 19
        dll bad signal mask: 19005
        dll old termios: 5
        dll malloc env: 28
        api major: 0
        api minor: 30
        shared data: 3
        dll identifier: cygwin1
        mount registry: 2
        cygnus registry name: Cygnus Solutions
        cygwin registry name: Cygwin
        program options name: Program Options
        cygwin mount registry name: mounts v2
        cygdrive flags: cygdrive flags
        cygdrive prefix: cygdrive prefix
        cygdrive default prefix: 
        build date: Sat Nov 11 01:49:33 EST 2000
        shared id: cygwin1S3

   82k 2000/11/07 C:\cygwin\bin\cygform5.dll - os=4.0 img=1.0 sys=4.0
                  "cygform5.dll" v0.0 ts=2000/11/8 8:56
   18k 2000/10/23 C:\cygwin\bin\cyggdbm.dll - os=4.0 img=1.0 sys=4.0
                  "cyggdbm.dll" v0.0 ts=2000/10/23 15:26
   14k 2000/10/23 C:\cygwin\bin\cygintl.dll - os=4.0 img=1.0 sys=4.0
                  "cygintl.dll" v0.0 ts=2000/10/24 8:02
   83k 2000/06/11 C:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitcl30.dll" v0.0 ts=2000/6/11 15:34
   35k 2000/06/11 C:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitk30.dll" v0.0 ts=2000/6/11 15:34
   45k 2000/10/22 C:\cygwin\bin\cygjbig1.dll - os=4.0 img=1.0 sys=4.0
                  "cygjbig1.dll" v0.0 ts=2000/10/23 12:06
  119k 2000/10/23 C:\cygwin\bin\cygjpeg6b.dll - os=4.0 img=1.0 sys=4.0
                  "cygjpeg6b.dll" v0.0 ts=2000/10/23 13:58
   53k 2000/11/07 C:\cygwin\bin\cygmenu5.dll - os=4.0 img=1.0 sys=4.0
                  "cygmenu5.dll" v0.0 ts=2000/11/8 8:55
  426k 2000/11/07 C:\cygwin\bin\cygncurses++5.dll - os=4.0 img=1.0 sys=4.0
                  "cygncurses++5.dll" v0.0 ts=2000/11/8 8:57
  299k 2000/11/07 C:\cygwin\bin\cygncurses5.dll - os=4.0 img=1.0 sys=4.0
                  "cygncurses5.dll" v0.0 ts=2000/11/8 8:54
   34k 2000/11/07 C:\cygwin\bin\cygpanel5.dll - os=4.0 img=1.0 sys=4.0
                  "cygpanel5.dll" v0.0 ts=2000/11/8 8:55
  162k 2000/10/23 C:\cygwin\bin\cygpng2.dll - os=4.0 img=1.0 sys=4.0
                  "cygpng2.dll" v0.0 ts=2000/10/23 13:40
  402k 2000/06/11 C:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtcl80.dll" v0.0 ts=2000/6/11 15:30
    5k 2000/06/11 C:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
   10k 2000/06/11 C:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtclreg80.dll" v0.0 ts=2000/6/11 15:30
  243k 2000/10/23 C:\cygwin\bin\cygtiff3.dll - os=4.0 img=1.0 sys=4.0
                  "cygtiff3.dll" v0.0 ts=2000/10/23 14:14
  639k 2000/06/11 C:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtk80.dll" v0.0 ts=2000/6/11 15:34
   41k 2000/10/28 C:\cygwin\bin\cygXpm-noX4.dll - os=4.0 img=1.0 sys=4.0
                  "cygXpm-noX4.dll" v0.0 ts=2000/10/29 7:45
   45k 2000/10/28 C:\cygwin\bin\cygXpm-X4.dll - os=4.0 img=1.0 sys=4.0
                  "cygXpm-X4.dll" v0.0 ts=2000/10/29 7:47
   49k 2000/10/23 C:\cygwin\bin\cygz.dll - os=4.0 img=1.0 sys=4.0
                  "cygz.dll" v0.0 ts=2000/10/23 13:22
  609k 2000/11/11 C:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/11/11 19:49
    Cygwin DLL version info:
        dll major: 1001
        dll minor: 5
        dll epoch: 19
        dll bad signal mask: 19005
        dll old termios: 5
        dll malloc env: 28
        api major: 0
        api minor: 30
        shared data: 3
        dll identifier: cygwin1
        mount registry: 2
        cygnus registry name: Cygnus Solutions
        cygwin registry name: Cygwin
        program options name: Program Options
        cygwin mount registry name: mounts v2
        cygdrive flags: cygdrive flags
        cygdrive prefix: cygdrive prefix
        cygdrive default prefix: 
        build date: Sat Nov 11 01:49:33 EST 2000
        shared id: cygwin1S3

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