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Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3
From: |
Alain Magloire |
Subject: |
Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3 |
Date: |
Thu, 20 Feb 2003 15:29:43 -0500 (EST) |
>
> > I do not quite understand the answer, your are saying you do not
> > want to do this, because it is incompatible to the old way?
>
> No, not quite so. I agree that using message_unref is a good idea
> (I'd only propose to call it message_destroy for consistency).
> What I meant is that its use should not be mandatory, i.e.
> both of the following should be allowed:
>
> for (i = 0; i < count; i++) {
> mailbox_get_message(mbox, &msg);
> ...
> message_unref(msg);
> }
>
> and
>
> for (i = 0; i < count; i++) {
> mailbox_get_message(mbox, &msg);
> ...
> }
>
> The latter example will result in using more memory, however it
> will be reclaimed after calling mailbox_destroy().
>
> In short:
>
> 1) mailbox_get_message retrieves a pointer to the data allocated under
> mailbox_t.
>
> 2) Calling mailbox_get_message(mbox, 2, &msg) several times is not an
> error and does not result in allocating more memory. It only
> increments the reference count associated with `msg'.
>
> 3) Calling message_destroy(&msg) decrements the reference count. If
> the count falls to zero, it frees all allocated resources and notifies
> the owner object (mailbox_t) about the fact. Subsequent invocation of
> mailbox_get_message results in allocating new object for that message.
>
> Does this sound reasonable?
Yes.
- [bug-mailutils] Mailutils 0.3 released, Sergey Poznyakoff, 2003/02/16
- Re: [bug-mailutils] Mailutils 0.3 released, Alain Magloire, 2003/02/17
- [bug-mailutils] Merging libraries (was Re: Mailutils 0.3 released), Sergey Poznyakoff, 2003/02/18
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3 released), Alain Magloire, 2003/02/18
- Message not available
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3 released), Sergey Poznyakoff, 2003/02/19
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3 released), Alain Magloire, 2003/02/19
- Message not available
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3 released), Sergey Poznyakoff, 2003/02/20
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3,
Alain Magloire <=
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3, Alain Magloire, 2003/02/24
- Message not available
- Re: [bug-mailutils] Merging libraries, Sergey Poznyakoff, 2003/02/25
- Message not available
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3, Sergey Poznyakoff, 2003/02/25
- Re: [bug-mailutils] Merging libraries (was Re: Mailutils 0.3, Alain Magloire, 2003/02/25