John, By crash, I mean pretty much the standard thing: one instant, Pharo is running, click something on the inspector, and suddenly Pharo is gone. Not good.
Bill ________________________________ From: [email protected] [mailto:[email protected]] On Behalf Of John McIntosh Sent: Monday, November 02, 2009 9:43 PM To: [email protected] Subject: Re: [Pharo-project] Server sockets, ephermal ports, and a Linux VM crash On Mon, Nov 2, 2009 at 5:52 PM, Igor Stasenko <[email protected]<mailto:[email protected]>> wrote: 2009/11/2 Schwab,Wilhelm K <[email protected]<mailto:[email protected]>>: > A nice trick is to use "ephmeral" ports, which is a fancy way of saying to > pass zero for the listening port and let the OS assign a port. OS-X assigns you the range 49152-65535 As for the getOption, the values for the key and the results is platform specific, and likely operating system version specific too. However for platforms that use BSD sockets, ala (Unix/Linux/OS-X) then the keys are in this table. Obviously if you fiddle with them then you know what you are doing? { "SO_DEBUG", SOL_SOCKET, SO_DEBUG }, { "SO_REUSEADDR", SOL_SOCKET, SO_REUSEADDR }, { "SO_DONTROUTE", SOL_SOCKET, SO_DONTROUTE }, { "SO_BROADCAST", SOL_SOCKET, SO_BROADCAST }, { "SO_SNDBUF", SOL_SOCKET, SO_SNDBUF }, { "SO_RCVBUF", SOL_SOCKET, SO_RCVBUF }, { "SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE }, { "SO_OOBINLINE", SOL_SOCKET, SO_OOBINLINE }, { "SO_LINGER", SOL_SOCKET, SO_LINGER }, { "IP_TTL", SOL_IP, IP_TTL }, { "IP_HDRINCL", SOL_IP, IP_HDRINCL }, { "IP_MULTICAST_IF", SOL_IP, IP_MULTICAST_IF }, { "IP_MULTICAST_TTL", SOL_IP, IP_MULTICAST_TTL }, { "IP_MULTICAST_LOOP", SOL_IP, IP_MULTICAST_LOOP }, #ifdef IP_ADD_MEMBERSHIP { "IP_ADD_MEMBERSHIP", SOL_IP, IP_ADD_MEMBERSHIP }, { "IP_DROP_MEMBERSHIP", SOL_IP, IP_DROP_MEMBERSHIP }, #endif { "TCP_MAXSEG", SOL_TCP, TCP_MAXSEG }, { "TCP_NODELAY", SOL_TCP, TCP_NODELAY }, #ifdef SO_REUSEPORT { "SO_REUSEPORT", SOL_SOCKET, SO_REUSEPORT }, #endif I created a TcpService on port zero, the listening socket gets a port and all seems reasonably well until I later inspect a few aspects of the TcpService, at which point the vm crashes. > > Bill More details required about the crashes? Whatever crashes mean. -- =========================================================================== John M. McIntosh <[email protected]<mailto:[email protected]>> Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com ===========================================================================
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