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| author | Ricardo Biehl Pasquali <pasqualirb@gmail.com> | 2019-06-23 22:40:47 -0300 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2020-02-28 21:39:29 +0100 |
| commit | 7ded63ef4cec38d87e66868d123bbce8620af8f7 (patch) | |
| tree | 28a8e32ec873d50c0f70161c876db8c728179993 /man7 | |
| parent | ce160b21abb617fb3013cd180ad2f9250e7b0118 (diff) | |
| download | man-pages-7ded63ef4cec38d87e66868d123bbce8620af8f7.tar.gz | |
socket.7: Add description of SO_SELECT_ERR_QUEUE
Signed-off-by: Ricardo Biehl Pasquali <pasqualirb@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7')
| -rw-r--r-- | man7/socket.7 | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/man7/socket.7 b/man7/socket.7 index 27b24d79e4..211b264dbb 100644 --- a/man7/socket.7 +++ b/man7/socket.7 @@ -49,10 +49,6 @@ .\" commit a8fc92778080c845eaadc369a0ecf5699a03bef0 .\" Author: Pavel Emelyanov <xemul@parallels.com> .\" -.\" SO_SELECT_ERR_QUEUE (3.10) -.\" commit 7d4c04fc170087119727119074e72445f2bb192b -.\" Author: Keller, Jacob E <jacob.e.keller@intel.com> -.\" .\" SO_MAX_PACING_RATE (3.13) .\" commit 62748f32d501f5d3712a7c372bbb92abc7c62bc7 .\" Author: Eric Dumazet <edumazet@google.com> @@ -873,6 +869,28 @@ Indicates that an unsigned 32-bit value ancillary message (cmsg) should be attached to received skbs indicating the number of packets dropped by the socket since its creation. .TP +.BR SO_SELECT_ERR_QUEUE " (since Linux 3.10)" +.\" commit 7d4c04fc170087119727119074e72445f2bb192b +.\" Author: Keller, Jacob E <jacob.e.keller@intel.com> +Makes poll adding +.B POLLPRI +when +.B POLLERR +event is returned. It does not affect wake up. +.IP +Background: The flag was added when waking up on +.B POLLERR +required requesting +.B POLLIN +or +.B POLLPRI. +After the commit 6e5d58fdc9bedd0255a8 ("skbuff: Fix not +waking applications when errors are enqueued"), introduced +in Linux 4.16, waking up on +.B POLLERR +does not require requesting other events. The flag is kept +only for backwards compatibility. +.TP .B SO_SNDBUF Sets or gets the maximum socket send buffer in bytes. The kernel doubles this value (to allow space for bookkeeping overhead) |