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| author | Bruce Momjian <bruce@momjian.us> | 2012-08-30 17:58:36 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2012-08-30 17:58:36 -0400 |
| commit | b5dc7612a5f66a08c6d46656d359fc1c69670f36 (patch) | |
| tree | fae9008b2d3af3ed528115175f1ac01193292da1 /doc/src/sgml/ref/postgres-ref.sgml | |
| parent | 39d0653d058b87b437be05fd295ceb5bb4e9e05c (diff) | |
| download | postgresql-b5dc7612a5f66a08c6d46656d359fc1c69670f36.tar.gz postgresql-b5dc7612a5f66a08c6d46656d359fc1c69670f36.zip | |
Properly document that SIGTERM is OK for users to use on a postgres
session, now that pg_terminate_backend() uses it.
Josh Kupershmidt
Diffstat (limited to 'doc/src/sgml/ref/postgres-ref.sgml')
| -rw-r--r-- | doc/src/sgml/ref/postgres-ref.sgml | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/doc/src/sgml/ref/postgres-ref.sgml b/doc/src/sgml/ref/postgres-ref.sgml index 41745fb34dc..943a3be00e3 100644 --- a/doc/src/sgml/ref/postgres-ref.sgml +++ b/doc/src/sgml/ref/postgres-ref.sgml @@ -732,14 +732,18 @@ PostgreSQL documentation <para> To cancel a running query, send the <literal>SIGINT</literal> signal - to the process running that command. + to the process running that command. To terminate a backend process + cleanly, send <literal>SIGTERM</literal> to that process. See + also <function>pg_cancel_backend</> and <function>pg_terminate_backend</> + in <xref linkend="functions-admin-signal"> for the SQL-callable equivalents + of these two actions. </para> <para> - The <command>postgres</command> server uses <literal>SIGTERM</literal> - to tell subordinate server processes to quit normally and - <literal>SIGQUIT</literal> to terminate without the normal cleanup. - These signals <emphasis>should not</emphasis> be used by users. It + The <command>postgres</command> server uses <literal>SIGQUIT</literal> + to tell subordinate server processes to terminate without normal + cleanup. + This signal <emphasis>should not</emphasis> be used by users. It is also unwise to send <literal>SIGKILL</literal> to a server process — the main <command>postgres</command> process will interpret this as a crash and will force all the sibling processes |