Volatile: C Keyword Myths Dispelled (safercode.com)

3 points by shantanugoel 17y ago ↗ HN

Volatile is one of the most misunderstood component in C history. Let’s separate out the myths and the facts first and then we will discuss the how’s and why’s of it.

2 comments

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dfox 17y ago ↗

And additionally, cases when volatile is really necessary around setjmp()/longjmp() are pretty rare.

shantanugoel 17y ago ↗

True..I try to avoid volatiles as much as I can. And as someone else pointed out on the blog in the commens, many implementations even get the volatiles wrong giving rise to a lot of bugs, so even if you were utmost careful about it, it can still cause issues.