No, __LINE__ is perfectly good C90. (Or else I wouldn't have used it in my coroutines trick – my original invention of that predated C99 by several years, and Tom Duff said he'd thought of the same thing much, much earlier.)
I don't see how it helps you here, though. It surely can't save you from thread-safety issues, because it won't have a distinct value in each thread?
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__LINE__is perfectly good C90. (Or else I wouldn't have used it in my coroutines trick – my original invention of that predated C99 by several years, and Tom Duff said he'd thought of the same thing much, much earlier.)I don't see how it helps you here, though. It surely can't save you from thread-safety issues, because it won't have a distinct value in each thread?