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Re: [avr-gcc-list] "Volatile"

From: David Kelly
Subject: Re: [avr-gcc-list] "Volatile"
Date: Mon, 18 Apr 2005 12:58:29 -0500

On Apr 18, 2005, at 1:40 AM, David Brown wrote:

Yes, it is the later - C has no concept of "atomic statement", so anything dependant on atomicity is going to be target-depedendant and non-portable.

Not terribly long ago I went digging thru GCC docs on the hope of finding an __attribute__ for quickly and cleanly applying an "atomic" property to a variable. Didn't find one. But knowing there were "packed" and similar attributes for structs, and the various things done for AVR registers, led me to suspect "atomic" or similar might exist.

David Kelly N4HHE, address@hidden
Whom computers would destroy, they must first drive mad.

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