Date: Fri, 18 Mar 2005 17:13:11 -0500 From: Matthew Hagerty <matthew@mundomateo.com> To: freebsd-hackers@freebsd.org Subject: Best way to force a process preempt (for troubleshooting) Message-ID: <423B5277.90304@mundomateo.com>
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Greetings, I'm trying to test for the possibility of interleaved data when two more more processes are writing to a pipe and more than PIPE_BUF bytes need to be written. How can I make a situation where this scenario can be caused reliably so I can make my test case, then apply my patch and make sure the changes worked? Additionally, in one case the processes are created from fork() and in another case they are threads (not sure if this makes any difference to the scheduler.) Any insight would be greatly appreciated. Thank you, Matthew
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