On 2007-11-14 15:21, Andrew Falanga <[EMAIL PROTECTED]> wrote: > Hi, > My question has to do with how someone would find out if a call to > socket(2) actually produced a socket. I know that the API works, I've > programmed with it many times, but is there a way to find out if 's' > returned by socket(2) is actually valid in whatever kernel structure > it is stored? I understand that I may have the process entirely mixed > up. But it seems to me that the socket is somehow known to the kernel > and I should be able to query the kernel somehow and discover if it is > valid.
The socket() system call returns -1 when it fails. Isn't that sufficient? If not, why? What ``extra'' information would you expect from the kernel when socket() fails? > Let me know if my question doesn't make sense as worded and I'll try > to explain myself better. Another question related to this one, would > someone in this list know where the source code is, in the system > source tree, for the select call? Look for kern_select() in `/usr/src/sys/kern/sys_generic.c'. _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"