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authorThomas Munro <tmunro@postgresql.org>2022-02-14 16:29:44 +1300
committerThomas Munro <tmunro@postgresql.org>2022-02-14 16:52:23 +1300
commitcba5b994c990bba8df9b8bb75f25ca40aef6b68b (patch)
tree8189f1b0691ee24a9289afceb3dbf2ea1a4bcd6d /doc/src
parent50e570a59e7f86bb41f029a66b781fc79b8d50f1 (diff)
Use WL_SOCKET_CLOSED for client_connection_check_interval.
Previously we used poll() directly to check for a POLLRDHUP event. Instead, use the WaitEventSet API to poll the socket for WL_SOCKET_CLOSED, which knows how to detect this condition on many more operating systems. Reviewed-by: Zhihong Yu <zyu@yugabyte.com> Reviewed-by: Maksim Milyutin <milyutinma@gmail.com> Reviewed-by: Andres Freund <andres@anarazel.de> Discussion: https://postgr.es/m/77def86b27e41f0efcba411460e929ae%40postgrespro.ru
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/config.sgml6
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index fc63172efde..53b361e7a92 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1012,9 +1012,9 @@ include_dir 'conf.d'
the kernel reports that the connection is closed.
</para>
<para>
- This option is currently available only on systems that support the
- non-standard <symbol>POLLRDHUP</symbol> extension to the
- <symbol>poll</symbol> system call, including Linux.
+ This option relies on kernel events exposed by Linux, macOS, illumos
+ and the BSD family of operating systems, and is not currently available
+ on other systems.
</para>
<para>
If the value is specified without units, it is taken as milliseconds.