Non-Blocking socket (SOCK_STREAM send)

[Adam Scislowicz <adams@fourelle.com>]

Could someone explain why send is failing with EPIPE on the 2.4.x
kernel, while it is working with the 2.2.x kernels.

The PsuedoCode:
sock = socket(AF_INET, SOCK_STREAM, 0)
buf = fcntl(sock, F_GETFL)
fcntl(sock, F_SETFL, buf | O_NONBLOCK) // we check the SETFL return
value, it succeeds
while ((retval = connect(sock, addr, sizeof(struct sockaddr_in))) < 0)
{
  if (retval < 0) {
   if (errno != EINPROGRESS) return -1; // return failure
 }
} // the connect succeeds during first iteration with return value of 0.

send(sock, msg, msg_length, 0) // this connection is to the thttpd web
server on the same host. XXX
XXX: send fails with EPIPE on the 2.4.0-test11-ac 4 and 2.4.0-test12
kernels, whereas it does not fail on 2.2.14-5.0(redhat kernel)

More Info:
 thttpd is working properly on the 2.4.x machine, I can access it via
Netscape, our software is a proxy.

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