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Kernel events without kevents

Kernel events without kevents

Posted Mar 15, 2007 12:43 UTC (Thu) by nix (subscriber, #2304)
In reply to: Kernel events without kevents by pphaneuf
Parent article: Kernel events without kevents

Netscape 4 had a habit of going into interminable stalls :)


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Kernel events without kevents

Posted Mar 15, 2007 12:50 UTC (Thu) by pphaneuf (subscriber, #23480) [Link]

Ah, there are many ways in which to wedge one-self, but thankfully, I think the simplest ones were indeed avoided. ;-)

The way Netscape 4 would wedge itself the most often for me (because I would often strace it when it did, since I was working on a big event-driven single-threaded program as well, and I'm curious to boot!) was to be reading the same file descriptor over and over, getting zero, and not getting the hint, for some reason.

I suspect there was a bit of code that wanted to do just the ONE synchronous thing, and of course, it screwed up and blocked the whole program. Tsk tsk tsk...


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