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Andersen
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 Posted: Fri Feb 11, 2005 5:43 pm Post subject: threads demystified |
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How many threads can one application have at the same time in Java? Is
there a roof? Is it platform dependent, in that case, what is the number
for SUN's JVM on WIN32? Any info on this would help me.
What about green threads? they are out?
regards,
Andersen
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Sachin
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Andersen
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| Posted: Sun Feb 13, 2005 2:00 am Post subject: Re: threads demystified |
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One question, are java threads mapped to OS threads, or are they all
running within one single OS thread?
regards,
Andersen
Sachin wrote:
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Bill Tschumy
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| Posted: Sun Feb 13, 2005 2:29 am Post subject: Re: threads demystified |
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On Sat, 12 Feb 2005 20:00:57 -0600, Andersen wrote
(in article <420EB4D9.6000208 (AT) hotmail (DOT) com>):
| Quote: | One question, are java threads mapped to OS threads, or are they all
running within one single OS thread?
regards,
Andersen
Sachin wrote:
Hi Andersen,
Not sure if the following thread helps ...
http://groups-beta.google.com/group/comp.lang.java.programmer/browse_thread/
thread/ba0b73e49874fd3a/318178780f039744?q=Max+Java+Threads&_done=%2Fgroups%
3Fhl%3Den%26q%3DMax+Java+Threads%26qt_s%3DSearch+Groups%26&_doneTitle=Back+t
o+Search&&d#318178780f039744
-Sachin
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It is up to the implementation to decide since it is not spelled out in the
specification. On most platforms (Mac OS X, Windows, Linux) they are mapped
to OS-level threads. Early in Java's history, on Solaris they were not. The
Solaris JVM used green threads to implement the Java threading model. Not
sure if they still do that or not.
--
Bill Tschumy
Otherwise -- Austin, TX
http://www.otherwise.com
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Cindi
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