Article View: comp.sys.amiga.tech
Article #459Re: narrator problem
From: Robert R. Burns
Date: Wed, 12 Jul 1989 18:06
Date: Wed, 12 Jul 1989 18:06
20 lines
1078 bytes
1078 bytes
In article <2210@goanna.oz> phi@goanna.oz (Philip Hingston) writes:
) /* Here's the crunch */
) SendIO(wmes);
...
) while(rmes->voice.message.io_Error != ND_NoWrite) {
...
) GetMsg(WPort);
You are assuming that when the read responds with ND_NoWrite, that the
write request will be completed and waiting for you at the WPort. This
is not necessarily the case -- i.e. there's a race condition here.
Change GetMsg(WPort) to WaitIO(wmes).
- Kodiak
--
Bob Burns, {cbmvax,oliveb,well}!amiga!kodiak _
| /_ _|. _ | Commodore __ |_) _ |_ _ )'
|<(_)(_)|(_\|< /\ | ||| _` /\ |_)(_\| )(_\ |
| \ Software ___/..\|\/|||__|/..\___ Faith
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!apple!oliveb!amiga!kodiak From: kodiak@amiga.UUCP (Robert R. Burns) Newsgroups: comp.sys.amiga.tech Subject: Re: narrator problem Message-ID: <4058@amiga.UUCP> Date: 12 Jul 89 18:06:17 GMT References: <2210@goanna.oz> Reply-To: kodiak@tooter.UUCP (Robert R. Burns) Organization: Commodore-Amiga Inc, Los Gatos CA Lines: 20