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by the_mitsuhiko
3583 days ago
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> Yeah, good point. The weird part is that it almost introduces a new thread, in that it introduces a new flow of control (and, if you ask for it, a new stack), but it doesn't count as a new thread in all the usual ways, like thread-local variables or PIDs. Worse: most signal handlers that do anything other than setting globals destroy errno in one way or another and when you go back the code that was interrupted has a good chance of malfunctioning. |
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