net/usrsock: forward FIONBIO to socket level
fix usrsock nonblock connect test break:
apps/examples/usrsocktest/usrsocktest_noblock_connect.c:
...
157 TEST(no_block_connect, delayed_connect)
158 {
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190 ret = fcntl(sd, F_SETFL, flags | O_NONBLOCK);
...
204 ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
205 TEST_ASSERT_EQUAL(-1, ret);
206 TEST_ASSERT_EQUAL(EINPROGRESS, errno);
should goahead to socket level:
nuttx/net/netdev/netdev_ioctl.c:
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1755 int psock_vioctl(FAR struct socket *psock, int cmd, va_list ap)
1756 {
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1771 ret = netdev_ioctl(psock, cmd, arg);
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1775 if (ret == -ENOTTY)
1776 {
1777 ret = netdev_file_ioctl(psock, cmd, arg);
1778 }
...
Signed-off-by: chao an <anchao@xiaomi.com>