Re: KSE, libpthread & libthr: almost newbie question

On Sun, Oct 29, 2006 at 09:24:14PM -0800, Julian Elischer wrote:
Greg Lewis wrote:

If you really want to know, just send the running process a SIGQUIT and
it will dump the currently running threads to stdout. But yes, 1.4 and 1.5
both use "native" threads which correspond 1:1 with OS threads (plus
there are threads the JVM creates itself, as you note). The JVM threads
include garbage collection and AWT event handlers at least.


I gather it doesn't use libpthread, but rather just the syscalls?

No, it does use libpthread (or libthr, or libc_r if you so choose). What
I'm saying is that the JVM maps a single Java thread to a single <pthread
library of your choice> thread. How that maps to a kernel thread is
then defined by the threading library.

The point is that the JVM doesn't do any internal M:N business itself,
which was the original point under discussion IIRC.

--
Greg Lewis Email : glewis@xxxxxxxxxxxxxx
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@xxxxxxxxxxx
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