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Re: [PATCH] cygwin+bash: bash reorders script output bug identified/fixed

From: Nils <internationils at gmx dot net>
To: Manfred Spraul <manfred at colorfullife dot com>
Cc: cygwin at cygwin dot com
Date: Wed, 07 Aug 2002 15:33:52 +0800
Subject: Re: [PATCH] cygwin+bash: bash reorders script output bug identified/fixed
References: <3D4F758C.4010109@colorfullife.com> <3D509328.3040302@gmx.net> <3D50BF6F.9020101@colorfullife.com>

Manfred Spraul wrote:

Nils wrote:
This may have been what I was running into as well. See http://cygwin.com/ml/cygwin/2002-07/msg01894.html

When doing the same compiles with in a window with tcsh running (even if bash gets invoked later on) the process numbers seem to increase much more slowly. If you do a large compile using bash as your shell, do you see process numbers creeping upward (in task manager) gradually as well?

That sounds like either windows or cygwin is leaking handles. Get handleex from sysinternals (google finds it) and check if there is an unusal amount of open handles around, and which process owns them.

Doesn't look like it. The number of handles never really changes in any of the processes, but I do see that the threads that rxvt is spawning off keep getting higher IDs. I invoke the rxvt as follows:

C:\cygwin\bin\rxvt.exe -ls -fn "Lucida Console-14" -fg green -bg black -sr -sl 2400

My shell is set to /bin/bash in /etc/passwd (strangely: when I change it to /bin/tcsh or /bin/csh $SHELL says I'm using that shell but rxvt still starts up in bash, and that's what I see in the process list!)

I'll attach the list of open handles for bash and rxvt when i first start them, and then another copy of rxvt after running a ./configure The handles for bash never changed, but the pids listed in the thread handles for rxvt do. What does this mean?

Please let me know what other info is helpful.

Thanks,
Nils.

Process: bash.exe Pid: 16932

Handle  Type             Access       Name
 0x7B0  Directory        0x0002000F   \BaseNamedObjects 
 0xC    Section          0x000F0007   \BaseNamedObjects\cygpid.4224 
 0x744  Section          0x000F0007   \BaseNamedObjects\cygpid.4570 
 0xD8   Event            0x001F0003   \BaseNamedObjects\cygtty0.input.avail 
 0x730  Event            0x001F0003   \BaseNamedObjects\cygtty0.input.avail 
 0x778  Event            0x001F0003   \BaseNamedObjects\cygtty0.input.avail 
 0x780  Event            0x001F0003   \BaseNamedObjects\cygtty0.input.avail 
 0xE4   Mutant           0x001F0001   \BaseNamedObjects\cygtty0.input.mutex 
 0x720  Mutant           0x001F0001   \BaseNamedObjects\cygtty0.input.mutex 
 0x770  Mutant           0x001F0001   \BaseNamedObjects\cygtty0.input.mutex 
 0x788  Mutant           0x001F0001   \BaseNamedObjects\cygtty0.input.mutex 
 0xE8   Mutant           0x001F0001   \BaseNamedObjects\cygtty0.output.mutex 
 0x724  Mutant           0x001F0001   \BaseNamedObjects\cygtty0.output.mutex 
 0x774  Mutant           0x001F0001   \BaseNamedObjects\cygtty0.output.mutex 
 0x77C  Mutant           0x001F0001   \BaseNamedObjects\cygtty0.output.mutex 
 0xD0   Event            0x001F0003   \BaseNamedObjects\cygtty0.slave_alive 
 0x714  Event            0x001F0003   \BaseNamedObjects\cygtty0.slave_alive 
 0x764  Event            0x001F0003   \BaseNamedObjects\cygtty0.slave_alive 
 0x784  Event            0x001F0003   \BaseNamedObjects\cygtty0.slave_alive 
 0x64   Section          0x000F0007   \BaseNamedObjects\cygwin1S3.Nils Boeffel.272002-07-06 02:16 
 0x7A4  Section          0x00000006   \BaseNamedObjects\cygwin1S3.Nils Boeffel.272002-07-06 02:16 
 0x48   Section          0x000F0007   \BaseNamedObjects\cygwin1S3.shared.32002-07-06 02:16 
 0x758  Semaphore        0x001F0003   \BaseNamedObjects\cygwin1S3.sigcatch.169322002-07-06 02:16 
 0x7AC  Mutant           0x001F0001   \BaseNamedObjects\cygwin1S3.title_mutex.02002-07-06 02:16 
 0x704  Mutant           0x00120001   \BaseNamedObjects\ShimCacheMutex 
 0x700  Section          0x00000002   \BaseNamedObjects\ShimSharedMemory 
 0x7CC  Desktop          0x000F01FF   \Default         
 0xB0   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0xD4   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0xDC   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0x71C  File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0x76C  File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0xBC   File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0xCC   File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0x718  File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0x768  File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0x78C  File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0x7F8  KeyedEvent       0x000F0003   \KernelObjects\CritSecOutOfMemoryEvent 
 0x7F4  Directory        0x00000003   \KnownDlls       
 0x7F0  Mutant           0x00000001   \NlsCacheMutant  
 0x7EC  Directory        0x000F000F   \Windows         
 0x7D0  WindowStation    0x000F037F   \Windows\WindowStations\WinSta0 
 0x7D8  WindowStation    0x000F037F   \Windows\WindowStations\WinSta0 
 0x794  Process          0x001F0FFF   <Non-existant Process>(17776) 
 0x708  Process          0x001F0FFF   <Non-existant Process>(17796) 
 0x7C8  Process          0x001F0FFF   bash.exe(16932)  
 0x790  Thread           0x001F03FF   bash.exe(16932): 16920 
 0x7C4  Thread           0x001F03FF   bash.exe(16932): 16940 
 0x760  Thread           0x001F03FF   bash.exe(16932): 17800 
 0x78   File             0x00100001   C:\cygwin\etc    
 0x70C  File             0x00100020   C:\cygwin\home\Nils 
 0x79C  Key              0x000F003F   HKCU             
 0x7E4  Key              0x000F003F   HKLM             
 0x7FC  Process          0x001F0FFF   rxvt.exe(17496)

Process: rxvt.exe Pid: 17496

Handle  Type             Access       Name
 0x44   Directory        0x0002000F   \BaseNamedObjects 
 0x74   Section          0x000F0007   \BaseNamedObjects\cygpid.4458 
 0xFC   Section          0x000F0007   \BaseNamedObjects\cygpid.4570 
 0xC0   Event            0x001F0003   \BaseNamedObjects\cygtty0.input.avail 
 0xC8   Mutant           0x001F0001   \BaseNamedObjects\cygtty0.input.mutex 
 0xCC   Event            0x001F0003   \BaseNamedObjects\cygtty0.master_alive 
 0xC4   Mutant           0x001F0001   \BaseNamedObjects\cygtty0.output.mutex 
 0x64   Section          0x000F0007   \BaseNamedObjects\cygwin1S3.Nils Boeffel.272002-07-06 02:16 
 0x48   Section          0x000F0007   \BaseNamedObjects\cygwin1S3.shared.32002-07-06 02:16 
 0x8C   Semaphore        0x001F0003   \BaseNamedObjects\cygwin1S3.sigcatch.174962002-07-06 02:16 
 0x6C   Mutant           0x001F0001   \BaseNamedObjects\cygwin1S3.title_mutex.02002-07-06 02:16 
 0x108  Mutant           0x00120001   \BaseNamedObjects\ShimCacheMutex 
 0x10C  Section          0x00000002   \BaseNamedObjects\ShimSharedMemory 
 0xAC   Section          0x000F0007   \BaseNamedObjects\SynTPFcsMemMap 
 0xA8   Mutant           0x001F0001   \BaseNamedObjects\SynTPFcsMutex 
 0x34   Desktop          0x000F01FF   \Default         
 0xB0   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0xB4   File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0xB8   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0xBC   File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0x4    KeyedEvent       0x000F0003   \KernelObjects\CritSecOutOfMemoryEvent 
 0x8    Directory        0x00000003   \KnownDlls       
 0x10   Mutant           0x00000001   \NlsCacheMutant  
 0x14   Directory        0x000F000F   \Windows         
 0x28   WindowStation    0x000F037F   \Windows\WindowStations\WinSta0 
 0x30   WindowStation    0x000F037F   \Windows\WindowStations\WinSta0 
 0xF0   Process          0x001F0FFF   <Non-existant Process>(17776) 
 0x104  Process          0x001F0FFF   <Non-existant Process>(17776) 
 0x110  Process          0x001F0FFF   bash.exe(16932)  
 0x78   File             0x00100001   C:\cygwin\etc    
 0xC    File             0x00100020   C:\Documents and Settings\Nils Boeffel\Desktop 
 0x5C   Key              0x000F003F   HKCU             
 0x1C   Key              0x000F003F   HKLM             
 0x38   Process          0x001F0FFF   rxvt.exe(17496)  
 0xE8   Thread           0x001F03FF   rxvt.exe(17496): 16452 
 0x3C   Thread           0x001F03FF   rxvt.exe(17496): 17464 
 0xEC   Thread           0x001F03FF   rxvt.exe(17496): 17588 
 0x84   Thread           0x001F03FF   rxvt.exe(17496): 1848

Process: rxvt.exe Pid: 17496

Handle  Type             Access       Name
 0xE8   Thread           0x001F03FF   rxvt.exe(17496): 28960 
 0x84   Thread           0x001F03FF   rxvt.exe(17496): 1848 
 0xEC   Thread           0x001F03FF   rxvt.exe(17496): 17588 
 0x3C   Thread           0x001F03FF   rxvt.exe(17496): 17464 
 0x38   Process          0x001F0FFF   rxvt.exe(17496)  
 0x1C   Key              0x000F003F   HKLM             
 0x5C   Key              0x000F003F   HKCU             
 0xC    File             0x00100020   C:\Documents and Settings\Nils Boeffel\Desktop 
 0x78   File             0x00100001   C:\cygwin\etc    
 0x110  Process          0x001F0FFF   bash.exe(16932)  
 0xF0   Process          0x001F0FFF   <Non-existant Process>(17776) 
 0x104  Process          0x001F0FFF   <Non-existant Process>(17776) 
 0x28   WindowStation    0x000F037F   \Windows\WindowStations\WinSta0 
 0x30   WindowStation    0x000F037F   \Windows\WindowStations\WinSta0 
 0x14   Directory        0x000F000F   \Windows         
 0x10   Mutant           0x00000001   \NlsCacheMutant  
 0x8    Directory        0x00000003   \KnownDlls       
 0x4    KeyedEvent       0x000F0003   \KernelObjects\CritSecOutOfMemoryEvent 
 0xB8   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0xBC   File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000002 
 0xB0   File             0x00120189   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0xB4   File             0x00120116   \Device\NamedPipe\Win32Pipes.00004458.00000001 
 0x34   Desktop          0x000F01FF   \Default         
 0xA8   Mutant           0x001F0001   \BaseNamedObjects\SynTPFcsMutex 
 0xAC   Section          0x000F0007   \BaseNamedObjects\SynTPFcsMemMap 
 0x10C  Section          0x00000002   \BaseNamedObjects\ShimSharedMemory 
 0x108  Mutant           0x00120001   \BaseNamedObjects\ShimCacheMutex 
 0x6C   Mutant           0x001F0001   \BaseNamedObjects\cygwin1S3.title_mutex.02002-07-06 02:16 
 0x8C   Semaphore        0x001F0003   \BaseNamedObjects\cygwin1S3.sigcatch.174962002-07-06 02:16 
 0x48   Section          0x000F0007   \BaseNamedObjects\cygwin1S3.shared.32002-07-06 02:16 
 0x64   Section          0x000F0007   \BaseNamedObjects\cygwin1S3.Nils Boeffel.272002-07-06 02:16 
 0xC4   Mutant           0x001F0001   \BaseNamedObjects\cygtty0.output.mutex 
 0xCC   Event            0x001F0003   \BaseNamedObjects\cygtty0.master_alive 
 0xC8   Mutant           0x001F0001   \BaseNamedObjects\cygtty0.input.mutex 
 0xC0   Event            0x001F0003   \BaseNamedObjects\cygtty0.input.avail 
 0xFC   Section          0x000F0007   \BaseNamedObjects\cygpid.4570 
 0x74   Section          0x000F0007   \BaseNamedObjects\cygpid.4458 
 0x44   Directory        0x0002000F   \BaseNamedObjects

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References:
- [PATCH] cygwin+bash: bash reorders script output bug identified/fixed
  - From: Manfred Spraul
- Re: [PATCH] cygwin+bash: bash reorders script output bug identified/fixed
  - From: Nils
- Re: [PATCH] cygwin+bash: bash reorders script output bug identified/fixed
  - From: Manfred Spraul

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