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Today's Topics:
1. Re: MonetDB: default - Cleanup code upon request. (Fabian Groffen)
----------------------------------------------------------------------
Message: 1
Date: Thu, 15 Nov 2012 08:36:47 +0100
From: Fabian Groffen <[email protected]>
To: [email protected]
Subject: Re: MonetDB: default - Cleanup code upon request.
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
On 15-11-2012 08:31:51 +0100, Martin Kersten wrote:
> +/* There is just a single queue for the workers */
> static void
> MRqueueCreate(int sz)
> {
> @@ -54,14 +55,21 @@ MRqueueCreate(int sz)
> MT_lock_init(&mrqlock, "q_create");
> MT_lock_set(&mrqlock, "q_create");
> MT_sema_init(&mrqsema, 0, "q_create");
> - sz = ((sz << 1) >> 1); /* we want a multiple of 2 */
> + if ( mrqueue ) {
> + GDKerror("One map-reduce queue allowed");
> + return;
> + }
> + sz *= 2;
> mrqueue = (MRqueue *) GDKzalloc(sizeof(MRqueue) * sz);
> - assert(mrqueue);
> + if ( mrqueue == 0) {
> + GDKerror("Could not create the map-reduce queue");
> + return;
shouldn't you unset the mrqlock here?
> + }
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