[Bug libgcj/29604] Race condition in ServerSocket.accept()

[daney at gcc dot gnu dot org]

------- Comment #2 from daney at gcc dot gnu dot org  2006-10-26 17:56 -------
This is trickier than I initially thought.

You cannot remained blocked in accept() while holding a lock that protects
closing the native_fd.  Otherwise you will be blocked until a connection
arrives (perhaps forever).  If we can shutdown the socket without holding the
lock, but not close it, there may be a path that will not deadlock.  Not
closing the native_fd is key as doing that allows the OS to open a new resource
with the same fd.  Which is the problem to be solved. 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29604