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Date: Wed, 5 Mar 2008 03:30:08 GMT
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To: freebsd-threads@FreeBSD.org
From: David Xu <davidxu@FreeBSD.org>
Cc: 
Subject: Re: threads/121343: pthread_cond_wait hanging in libthr
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The following reply was made to PR threads/121343; it has been noted by GNATS.

From: David Xu <davidxu@FreeBSD.org>
To: josh.carroll@gmail.com
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: threads/121343: pthread_cond_wait hanging in libthr
Date: Wed, 05 Mar 2008 11:30:06 +0800

 Josh Carroll wrote:
 >>  I don't know what really happened, but if your program is using
 >>  threads, it is better to link it with thread library directly.
 >>  Can you dump ldd result ?
 > 
 > /usr/local/bin/ushare:
 >         libupnp.so.3 => /usr/local/lib/libupnp.so.3 (0x4063d000)
 >         libthreadutil.so.4 => /usr/local/lib/libthreadutil.so.4 (0x40771000)
 >         libixml.so.2 => /usr/local/lib/libixml.so.2 (0x40877000)
 >         libc.so.7 => /lib/libc.so.7 (0x40982000)
 >         libthr.so.3 => /lib/libthr.so.3 (0x40b97000)
 >         liblwres.so.30 => /usr/lib/liblwres.so.30 (0x40cac000)
 > 
 
 OK.
 
 >>  I have ushare up and running:
 >>  apple# ps xaHl | grep ushare
 >>  apple# sockstat -4l
 > 
 > root@pflog:~# ushare -D
 > root@pflog:~# ps xaHl | grep ushare
 >     0 14812     1   0  44  0  9260  1552 umtxn  Ss    ??    0:00.00 ushare -D
 >     0 14812     1   0  44  0  9260  1552 umtxn  Ss    ??    0:00.00 ushare -D
 >     0 14968 12265   0  44  0  5864  1160 -      R+    p0    0:00.00 grep ushare
 > root@pflog:~# sockstat -4l | grep ushare
 > 
 > I created a new ushare.conf for the above, which contains only:
 > 
 > USHARE_NAME=test
 > USHARE_IFACE=em1
 > USHARE_PORT=
 > USHARE_DIR=/tmp
 > USHARE_OVERRIDE_ICONV_ERR=
 > 
 > Thanks,
 > Josh
 > 
 
 I added -lpthread to link command (I found you don't have it),
 and this is why it works on my machine, you might try it.
 
 cc  -I/usr/local/include -O2 -fno-strict-aliasing -pipe  -Wall -W 
 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_REENTRANT 
 -L/usr/local/lib -o ushare  cds.o
 cms.o msr.o  http.o presentation.o metadata.o  mime.o services.o 
 buffer.o  util_iconv.o content.o cfgparser.o  trace.o redblack.o osdep.o 
   ushare.o  -lupnp -
 lthreadutil -lixml -lpthread