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02-18-2008, 07:29 AM
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 Re: ksh file name completion oddity / ksh cleanup question On Tue, 14 Dec 2004, Matthias Kilian wrote: > Here are the bizarre effects on the generated binaries: > > misc.[co]: there is a difference in the generated code in > blocking_read(). Changing > > if (!tried_reset && errno == EAGAIN) { > > into > > if (!tried_reset && (errno == EAGAIN || errno == EGAIN)) { > > seems "fix" this. Looks like some strange shortcoming in gcc's > optimizer. No, that's not the case. errno is a #define which resolves to a function call. In general, external fucntion calls should not be touched by an optimizer, since they might have side effects. -Otto      |
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