------- Comment #4 from ddaney at avtrex dot com 2006-10-26 18:03 ------- Subject: Re: Race condition in ServerSocket.accept()
tromey at gcc dot gnu dot org wrote: > ------- Comment #3 from tromey at gcc dot gnu dot org 2006-10-26 17:58 > ------- > Instead of directly calling accept we could select or poll on the fd. > This would let us have a timeout or an interrupt or something. > For all I know poll would react more gracefully to another thread > closing the fd -- but I haven't tried that. > The essence of the problem is that you can not temporarily drop a lock (as Object.wait() does) in a race free manner while entering the accept() system call. Sticking a poll before the accept may in some cases narrow the window of the race, but it does not close it. I was going to fix the problem in 15 Minutes, but now I think I need a day to mull it over. This is the type of problem that keeps us sharp... David Daney -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29604
