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RE: ? potential bug in LockBuffer ? - Mailing list pgsql-hackers

From Mikheev, Vadim
Subject RE: ? potential bug in LockBuffer ?
Date
Msg-id 3705826352029646A3E91C53F7189E32016647@sectorbase2.sectorbase.com
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In response to ? potential bug in LockBuffer ?  ("Mauricio Breternitz" <mbjsql@hotmail.com>)
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>                         (buf->r_locks)--;
>                         if (!buf->r_locks)
>                                 *buflock &= ~BL_R_LOCK;
> 
> 
> Or I am missing something...

buflock is per-backend flag, it's not in shmem. Backend is
allowed only single lock per buffer.

Vadim

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