Date: Fri, 31 Mar 2006 08:48:29 +0800 From: David Xu <davidxu@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: Process hanging on 6.0-STABLE Message-ID: <200603310848.30037.davidxu@freebsd.org> In-Reply-To: <200603311108.37829.doconnor@gsoft.com.au> References: <200603221755.25666.doconnor@gsoft.com.au> <200603222349.45539.doconnor@gsoft.com.au> <200603311108.37829.doconnor@gsoft.com.au>
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ÔÚ Friday 31 March 2006 08:38£¬Daniel O'Connor дµÀ£º > On Wednesday 22 March 2006 23:49, Daniel O'Connor wrote: > > On Wednesday 22 March 2006 18:41, David Xu wrote: > > > > The problem is that every now and then the process gets stuck and > > > > becomes unkillable just after forking, ie.. > > > > > > Are you using pthreads ? > > > > Nope. > > Hmm I just found I had an FD leak - I am not sure if it's related. > > Interestingly I had ~1046 FDs open and FD_SET wasn't working properly, eg... > fd_set fds; > int fd; > > fd = 1046; > FD_ZERO(&fds); > FD_SET(fd, &fds); > > Results in fds being empty :( > > Does anyone know if that is expected behaviour? And whether this problem could > cause the second one (eg tickle a bug). > > Thanks. > > -- > Daniel O'Connor software and network engineer > for Genesis Software - http://www.gsoft.com.au > "The nice thing about standards is that there > are so many of them to choose from." > -- Andrew Tanenbaum > GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C > In /sys/sys/select.h : #ifndef FD_SETSIZE #define FD_SETSIZE 1024U #endif so you should define FD_SETSIZE if you have fd which is larger than 1024. Regards, David Xu
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