Does shared memory support work on cyg64?

Linda Walsh cygwin@tlinx.org
Fri Mar 21 23:03:00 GMT 2014


Marco Atzeri wrote:

> 
> No installation path, so same path/root of "cygrunsrv" command
> 

>> So... just from the above -- it looks like your 32bit and 64-bit
>> are running the same binary -- i.e. from the view of
>> cygrunsrv....am I missing something?
> 
> the base path/root for the two installations is different
----
Does 'ps' also show both 32 and 64 bit versions?

I.e. AFAIK, both of my services are in the same path.

I.e.
cygrunsrv -LV showed:
Service             : cygserver           (Installation path: C:\cygwin64)
Command             : /usr/sbin/cygserver
stdout path         : /var/log/cygserver.log
stderr path         : /var/log/cygserver.log

Service             : messagebus
Command             : /usr/bin/dbus-daemon --nofork --system
stdout path         : /var/log/messagebus.log
stderr path         : /var/log/messagebus.log

Then ps-ef run under bash(64-bit):
> uname -a
CYGWIN_NT-6.1 Athenae 1.7.28(0.271/5/3) 2014-02-09 21:06 x86_64 Cygwin

shows both as well.
> ps -ef
      UID     PID    PPID  TTY        STIME COMMAND
   SYSTEM    9920       1 ?        03:40:07 /usr/bin/cygrunsrv
Bliss\la    7348    9808 cons0    13:55:16 /usr/bin/ps
Bliss\la    3172       1 ?        03:01:14 /usr/bin/XWin
Bliss\la    9808       1 cons0    13:28:24 /usr/bin/bash
   SYSTEM    9172    9920 ?        03:40:07 /usr/bin/dbus-daemon
law.Bliss>
----
The only oddity in my setup is that I have cygwin64 installed in \cygwin64
(and had moved my cygwin32 -> \cygwin), and in C:\ have:
/> ll /|grep cygwin
lrwxrwxrwx  1       28 Mar 21 03:31 bin -> /windows/system32/cygwin/bin/
drwxrwxr-x+ 1        0 Jan 12 11:34 cygcommon/
drwxrwxr-x+ 1        0 Mar 19 18:50 cygwin/
drwxr-xr-x+ 1        0 Mar 19 21:34 cygwin64/
lrwxrwxrwx  1       28 Mar 21 03:33 etc -> /windows/system32/cygwin/etc/
lrwxrwxrwx  1       28 Jan 13 21:35 lib -> /Windows/System32/cygwin/lib/
lrwxrwxrwx  1       29 Jan 13 21:37 sbin -> /Windows/System32/cygwin/sbin/
lrwxrwxrwx  1       28 Jan 13 21:36 usr -> /Windows/System32/cygwin/usr/
lrwxrwxrwx  1       28 Jan 13 21:37 var -> /Windows/System32/cygwin/var/
/> ll /windows/system32/cygwin
lrwxrwxrwx 1 9 Jan 11 20:21 /windows/system32/cygwin -> /cygwin64/
/>
---
and my cygwin mount shows:
mount
C:/bin on /usr/bin type ntfs (binary,auto)
C:/lib on /usr/lib type ntfs (binary,auto)
C: on / type ntfs (binary,auto)
B: on /b type smbfs (binary,user,noumount,auto)
D: on /d type smbfs (binary,user,noumount,auto)
F: on /f type iso9660 (binary,user,noumount,auto)
H: on /h type smbfs (binary,user,noumount,auto)
I: on /i type smbfs (binary,user,noumount,auto)
M: on /m type smbfs (binary,user,noumount,auto)
P: on /p type smbfs (binary,user,noumount,auto)
S: on /s type smbfs (binary,user,noumount,auto)
T: on /t type smbfs (binary,user,noumount,auto)
X: on /x type ntfs (binary,user,noumount,auto)





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