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devel / comp.os.msdos.djgpp / Re: Fix return value of __dpmi_free_serialization_on_shared_memory

Re: Fix return value of __dpmi_free_serialization_on_shared_memory

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https://www.novabbs.com/devel/article-flat.php?id=516&group=comp.os.msdos.djgpp#516

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Date: Sat, 11 May 2024 13:28:54 +0300
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From: djg...@delorie.com (Eli Zaretskii (eliz@gnu.org) [via djgpp@delorie.com])
To: Pali <pali@pali.im>
Cc: djgpp@delorie.com
In-Reply-To: <20240509183330.me2fulbrwcmugfz6@pali> (message from Pali on Thu,
9 May 2024 20:33:30 +0200)
Subject: Re: Fix return value of __dpmi_free_serialization_on_shared_memory
References: <20240509183330.me2fulbrwcmugfz6@pali>
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by: Eli Zaretskii (eliz@ - Sat, 11 May 2024 10:28 UTC

> Date: Thu, 9 May 2024 20:33:30 +0200
> From: Pali <pali@pali.im>
> Cc: djgpp@delorie.com
>
> Hello, I found an issue in d0d03.S file which implements function
> __dpmi_free_serialization_on_shared_memory.
>
> When DPMI call success then djgpp function does not return 0, but some
> non-zero value which indicates failure.
>
> According to DPMI 0d03h documentation this DPMI call does not set AX
> register on success: https://www.delorie.com/djgpp/doc/dpmi/api/310d03.html
>
> Also DJGPP documentation says that this function returns 0 on success:
> https://www.delorie.com/djgpp/doc/libc/libc_216.html
>
> Fix for this issue is simple, just clear EAX, like in other functions in
> other d0d0*.S files.

Thanks, installed.

Subject	Author
Re: Fix return value of __dpmi_free_serialization_on_shared_memory	Eli Zaretskii (eliz@gnu.org) [via djgpp@delorie.com]