Re: [HACKERS] Latches API on windows - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [HACKERS] Latches API on windows
Date
Msg-id 12956.1507557370@sss.pgh.pa.us
Whole thread Raw
In response to Re: [HACKERS] Latches API on windows  (Craig Ringer <craig@2ndquadrant.com>)
Responses Re: [HACKERS] Latches API on windows
Re: [HACKERS] Latches API on windows
List pgsql-hackers
Craig Ringer <craig@2ndquadrant.com> writes:
> On 9 October 2017 at 21:26, Abbas Butt <abbas.butt@enterprisedb.com> wrote:
>> In my case this is not true, I am calling InitSharedLatch in _PG_init
>> which gets called at CREATE EXTENSION time.
>> My question : Is there a way to get the latches API work on windows
>> the way it is working on Linux?

> I suspect you'd need to do it by having your extension load via
> shared_preload_libraries, registering its latch in shmem_startup_hook

Yeah.  That would also let you request your shared memory area honestly,
instead of relying on there being some slop in the initial allocation.
        regards, tom lane


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