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* fhandler.cc (fhandler_base::fcntl): Treat O_NONBLOCK and OLD_O_NDELAY

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as exactly the same. If one is set, both are set.
	* net.cc (fhandler_socket::fcntl): Ditto.
This commit is contained in:
Corinna Vinschen
2000-10-25 08:47:23 +00:00
parent d220f0b21c
commit 2f7356f39b
3 changed files with 28 additions and 10 deletions
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23
winsup/cygwin/net.cc
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@@ -1988,15 +1988,22 @@ fhandler_socket::fcntl (int cmd, void *arg)
switch (cmd)
{
case F_SETFL:
request = ((int) arg & O_NONBLOCK) ? 1 : 0;
current = (get_flags () & O_NONBLOCK) ? 1 : 0;
if (request != current && (res = ioctl (FIONBIO, &request)))
{
/* Care for the old O_NDELAY flag. If one of the flags is set,
both flags are set. */
int new_flags = (int) arg;
if (new_flags & (O_NONBLOCK | OLD_O_NDELAY))
new_flags |= O_NONBLOCK | OLD_O_NDELAY;
request = (new_flags & O_NONBLOCK) ? 1 : 0;
current = (get_flags () & O_NONBLOCK) ? 1 : 0;
if (request != current && (res = ioctl (FIONBIO, &request)))
break;
if (request)
set_flags (get_flags () | O_NONBLOCK | OLD_O_NDELAY);
else
set_flags (get_flags () & ~(O_NONBLOCK | OLD_O_NDELAY));
break;
if (request)
set_flags (get_flags () | O_NONBLOCK);
else
set_flags (get_flags () & ~O_NONBLOCK);
break;
}
default:
res = fhandler_base::fcntl (cmd, arg);
break;