Date: Tue, 4 Aug 2020 22:14:35 -0400
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Andres Freund <andres@anarazel.de>
Cc: James Coleman <jtc331@gmail.com>,
	pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: [DOC] Document concurrent index builds waiting on each other
Message-ID: <20200805021435.GA9523@alvherre.pgsql>
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On 2020-Aug-04, Alvaro Herrera wrote:

> diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
> index b20e2ad4f6..43c8ea3e31 100644
> --- a/src/include/storage/proc.h
> +++ b/src/include/storage/proc.h
> @@ -53,6 +53,8 @@ struct XidCache
>  #define		PROC_IS_AUTOVACUUM	0x01	/* is it an autovac worker? */
>  #define		PROC_IN_VACUUM		0x02	/* currently running lazy vacuum */
>  #define		PROC_IN_ANALYZE		0x04	/* currently running analyze */
> +#define		PROC_IN_CIC			0x40	/* currently running CREATE INDEX
> +										   CONCURRENTLY */
>  #define		PROC_VACUUM_FOR_WRAPAROUND	0x08	/* set by autovac only */
>  #define		PROC_IN_LOGICAL_DECODING	0x10	/* currently doing logical
>  												 * decoding outside xact */

Hah, missed to add new bit to PROC_VACUUM_STATE_MASK here.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services