Mail Archives: cygwin-apps/2000/06/10/20:02:52
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Hi,
I am working on porting Squid to cygwin, I posted before about a =
problem with accept() stopping on the second call to it.
I have tracked it down to the socket still blocking on io when there is =
no pending connection, even though the earlier call to fnctl was =
successful.
The call made is (fcntl(fd, F_SETFL, flags | SQUID_NONBLOCK) < 0),=20
where flags was retrieved by a prior call to F_GETFL, and SQUID_NONBLOCK =
is #defined to be O_NONBLOCK, I have also tried O_NDELAY with the same =
results.
My question(s) are:=20
what is the official status of non-blocking accept() calls in cygwin =
1.1.2?
where in the winsup source is fcntl implemented? I found a call to =
_fcntl but could find where that has been implemented to follow =
through...
cygcheck -s -v -r attached
Thanks in advance,
Rob
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2> I am working on =
porting Squid to=20
cygwin, I posted before about a problem with accept() stopping on the =
second=20
call to it.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>I have tracked it down to the socket =
still blocking=20
on io when there is no pending connection, even though the earlier call =
to fnctl=20
was successful.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>The call made is (fcntl(fd, F_SETFL, =
flags |=20
SQUID_NONBLOCK) < 0), </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>where flags was retrieved by a prior =
call to=20
F_GETFL, and</FONT><FONT face=3DArial size=3D2> SQUID_NONBLOCK is =
#defined to be=20
O_NONBLOCK, I have also tried O_NDELAY with the same =
results.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>My question(s) are: </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>what is the official status of =
non-blocking=20
accept() calls in cygwin 1.1.2?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>where in the winsup source is fcntl =
implemented? I=20
found a call to _fcntl but could find where that has been implemented to =
follow=20
through...</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>cygcheck -s -v -r attached</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks in advance,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Rob</FONT></DIV>
<DIV> </DIV></BODY></HTML>
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filename="cygcheck.txt"
Cygnus Win95/NT Configuration Diagnostics
Current System Time: Sun Jun 11 10:03:14 2000
WinNT Ver 5.0 build 2195=20
Path: /usr/bin
/usr/local/bin
/e/WINNT/system32
/e/WINNT
/e/WINNT/System32/Wbem
/usr/bin
/usr/local/bin
/cygdrive/f/Program Files/Microsoft Visual Studio/Common/Tools/WinNT
/cygdrive/f/Program Files/Microsoft Visual Studio/Common/MSDev98/Bin
/cygdrive/f/Program Files/Microsoft Visual Studio/Common/Tools
/cygdrive/f/Program Files/Microsoft Visual Studio/VC98/bin
/cygdrive/s/ACCPAC/CA_APPSW
SysDir: E:\WINNT\System32
WinDir: E:\WINNT
MAKE_MODE =3D `unix'
PWD =3D `/usr/local/squid'
!:: =3D `::\'
!E: =3D `E:\'
ALLUSERSPROFILE =3D `E:\Documents and Settings\All Users'
APPDATA =3D `E:\Documents and Settings\Administrator\Application Data'
CLASSPATH =3D `E:\Program Files\HEAT\navbar;%CLASSPATH%'
COMMONPROGRAMFILES =3D `E:\Program Files\Common Files'
COMPUTERNAME =3D `LIFELESSWKS'
COMSPEC =3D `E:\WINNT\system32\cmd.exe'
FSERVER =3D `tcp/195.114.67.85:19114'
HOMEDRIVE =3D `E:'
HOMEPATH =3D `\'
HOSTNAME =3D `LIFELESSWKS'
HOSTTYPE =3D `i586'
INCLUDE =3D `F:\Program Files\Microsoft Visual =
Studio\VC98\atl\include;F:\Program Files\Microsoft Visual =
Studio\VC98\mfc\include;F:\Program Files\Microsoft Visual =
Studio\VC98\include'
LIB =3D `F:\Program Files\Microsoft Visual =
Studio\VC98\mfc\lib;F:\Program Files\Microsoft Visual Studio\VC98\lib'
LOGONSERVER =3D `\\LIFELESSWKS'
MACHTYPE =3D `i586-pc-cygwin'
MSDEVDIR =3D `F:\Program Files\Microsoft Visual Studio\Common\MSDev98'
NUMBER_OF_PROCESSORS =3D `1'
OLDPWD =3D `/usr/src/sq/squid-2.3.STABLE3/src'
OS2LIBPATH =3D `E:\WINNT\system32\os2\dll;'
OS =3D `Windows_NT'
OSTYPE =3D `cygwin'
PATHEXT =3D `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
PROCESSOR_ARCHITECTURE =3D `x86'
PROCESSOR_IDENTIFIER =3D `x86 Family 6 Model 7 Stepping 2, GenuineIntel'
PROCESSOR_LEVEL =3D `6'
PROCESSOR_REVISION =3D `0702'
PROGRAMFILES =3D `E:\Program Files'
PROMPT =3D `$P$G'
SHELL =3D `/bin/sh'
SHLVL =3D `1'
SYSTEMDRIVE =3D `E:'
SYSTEMROOT =3D `E:\WINNT'
TEMP =3D `E:\DOCUME~1\ADMINI~1\LOCALS~1\Temp'
TERM =3D `cygwin'
TMP =3D `E:\DOCUME~1\ADMINI~1\LOCALS~1\Temp'
USERDOMAIN =3D `LIFELESSWKS'
USERNAME =3D `administrator'
USERPROFILE =3D `E:\Documents and Settings\Administrator'
WINDIR =3D `E:\WINNT'
_ =3D `/usr/bin/cygcheck'
TZ =3D `AUSEST-10AUSEDT-11,M10.5.0/2,M3.5.0/2'
HKEY_CURRENT_USER\Software\Cygnus Solutions
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
(default) =3D `/cygdrive'
cygdrive flags =3D 0x00000020
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/
(default) =3D `E:\cygwin'
flags =3D 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/e
(default) =3D `e:'
flags =3D 0x00000000
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
(default) =3D `E:\cygwin\bin'
flags =3D 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
(default) =3D `E:\cygwin\lib'
flags =3D 0x00000002
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
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\01
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\02
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\03
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\04
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\05
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\06
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\07
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\08
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\09
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\0A
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\0B
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\0C
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\0D
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\0E
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\0F
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\10
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\11
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\12
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\13
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\14
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\15
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\16
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\17
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\18
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\19
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\1A
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\1B
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\1C
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL =
setup\b15.0\mounts\1D
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Menu=
Order\Start Menu\Programs\Cygnus Solutions
(default) =3D (unsupported type)
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Installed Components
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Installed =
Components\E:/cygwin
(default) =3D `20000517'
bash =3D `0002.0004.0001'
binutils =3D `19990818.0001'
bison =3D `0000'
byacc =3D `0000'
bzip =3D `0000'
clear =3D `0001.0000'
cygwin =3D `0001.0001.0002'
dejagnu =3D `0000'
diff =3D `0000'
expect =3D `0000'
fileutils =3D `0000'
findutils =3D `0000'
flex =3D `0000'
gawk =3D `0000'
gcc =3D `0002.0095.0002.0001'
gdb =3D `20000415'
gperf =3D `0000'
grep =3D `0000'
groff =3D `0001.011a.0001'
gzip =3D `0000'
inetutils =3D `0001.0003.0002.0002'
less =3D `0000'
libpng =3D `0001.0000.0006.0001'
login =3D `0001.0002'
m =3D `0000'
make =3D `0003.0079'
man =3D `0001.005g.0002'
patch =3D `0000'
sed =3D `0003.0002.0001'
shellutils =3D `0000'
tar =3D `0000'
tcltk =3D `0000'
termcap =3D `0002'
texinfo =3D `0000'
textutils =3D `0000'
time =3D `0000'
zlib =3D `0001.0001.0003.0001'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts =
v2\/usr/install
(default) =3D `d:install'
flags =3D 0x0000000a
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
a: fd N/A N/A =20
c: hd FAT 101Mb 80% CP UN =20
d: hd NTFS 4337Mb 88% CP CS UN PA FC =20
e: hd NTFS 4479Mb 100% CP CS UN PA FC =20
f: hd NTFS 4133Mb 40% CP CS UN PA FC =20
g: cd N/A N/A =20
h: cd CDFS 575Mb 100% CS BG Disc 2
E:\cygwin\bin /usr/bin user binmode
E:\cygwin\lib /usr/lib user binmode
E:\cygwin / user binmode
d:install /usr/install system binmode
e: /e user textmode
Found: E:\cygwin\bin\bash.exe
Found: E:\cygwin\bin\cat.exe
Found: E:\cygwin\bin\cpp.exe
Found: E:\cygwin\bin\find.exe
Found: E:\cygwin\bin\gcc.exe
Found: E:\cygwin\bin\gdb.exe
Found: E:\cygwin\bin\ld.exe
Found: E:\cygwin\bin\ls.exe
Found: E:\cygwin\bin\make.exe
Found: E:\cygwin\bin\sh.exe
115k 1999/09/14 E:\cygwin\bin\cygitcl30.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
"cygitcl30.dll" v0.0 ts=3D1999/9/14 12:46
63k 1999/09/14 E:\cygwin\bin\cygitk30.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
"cygitk30.dll" v0.0 ts=3D1999/9/14 12:47
474k 1999/09/14 E:\cygwin\bin\cygtcl80.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
"cygtcl80.dll" v0.0 ts=3D1999/9/14 12:31
19k 1999/09/14 E:\cygwin\bin\cygtclpip80.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
24k 1999/09/14 E:\cygwin\bin\cygtclreg80.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
"cygtclreg80.dll" v0.0 ts=3D1999/9/14 12:31
768k 1999/09/14 E:\cygwin\bin\cygtk80.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
"cygtk80.dll" v0.0 ts=3D1999/9/14 12:36
575k 2000/06/07 E:\cygwin\bin\cygwin1.dll - os=3D4.0 img=3D1.0 =
sys=3D4.0
"cygwin1.dll" v0.0 ts=3D2000/6/7 12:20
Use -h to see help about each section
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