You are missing the point. What does IBM's JDK do? What does the gnu JDK do? What does Android do? You can only rely on what the spec says. I haven't read the spec, but the javadoc certainly says nothing.
Ralph > On May 25, 2016, at 4:09 AM, Mikael Ståldal <mikael.stal...@magine.com> wrote: > > http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/System.java#1087 > >> On Wed, May 25, 2016 at 12:51 PM, Ralph Goers <ralph.go...@dslextreme.com> >> wrote: >> I haven't looked at the source, but the point is that FileDescriptor gives >> no guarantees what it is referencing. >> >> Sent from my iPad >> >>> On May 25, 2016, at 12:49 AM, Mikael Ståldal <mikael.stal...@magine.com> >>> wrote: >>> >>> > but I would guess the the FileDescriptor may just be a reference to the >>> > PrintStream. >>> >>> I think it's the other way around, System.out is a wrapper around >>> FileDescriptor.out. Look at the source code for java.lang.System in JDK 8. >>> >>>> On Tue, May 24, 2016 at 7:53 PM, Ralph Goers <ralph.go...@dslextreme.com> >>>> wrote: >>>> The javadoc for FileDescriptor is fairly ambiguous. I’d have to look at >>>> the code, but I would guess the the FileDescriptor may just be a reference >>>> to the PrintStream. I really don’t think you can count on what it points >>>> to. I would also worry about us trying to use the FileDescriptor while the >>>> application might be writing to System.out. >>>> >>>> Ralph >>>> >>>>> On May 24, 2016, at 10:30 AM, Remko Popma <remko.po...@gmail.com> wrote: >>>>> >>>>> >>>>>> On Tuesday, May 24, 2016 at 11:27:33 PM UTC+9, Mikael Ståldal wrote: >>>>>> Could we avoid that by using FileDescriptor.out / FileDescriptor.err >>>>>> instead of System.out / System.err ? >>>>>> >>>>>>> On Tue, May 24, 2016 at 4:09 PM, Matt Sicker <boa...@gmail.com> wrote: >>>>>>> All the PrintStream.write() methods have locks. >>>>>>> >>>>>>>> On 24 May 2016 at 02:56, Mikael Ståldal <mikael....@magine.com> wrote: >>>>>>>> Do we know why Console has so bad performance (compared to File)? Is >>>>>>>> this true also if you redirect STDOUT to a file? >>>>>>>> >>>>>>>>> and a preview of the updated performance page is here: >>>>>>>>> http://home.apache.org/~rpopma/log4j/2.6/performance.html >>>>> >>>>> I think these are really interesting questions, and I am curious if >>>>> anyone on this list can share their insights >>>>> >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: log4j-dev-unsubscr...@logging.apache.org >>>>> For additional commands, e-mail: log4j-dev-h...@logging.apache.org >>> >>> >>> >>> -- >>> >>> >>> Mikael Ståldal >>> Senior software developer >>> >>> Magine TV >>> mikael.stal...@magine.com >>> Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com >>> >>> Privileged and/or Confidential Information may be contained in this >>> message. If you are not the addressee indicated in this message >>> (or responsible for delivery of the message to such a person), you may not >>> copy or deliver this message to anyone. In such case, >>> you should destroy this message and kindly notify the sender by reply >>> email. > > > > -- > > > Mikael Ståldal > Senior software developer > > Magine TV > mikael.stal...@magine.com > Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com > > Privileged and/or Confidential Information may be contained in this message. > If you are not the addressee indicated in this message > (or responsible for delivery of the message to such a person), you may not > copy or deliver this message to anyone. In such case, > you should destroy this message and kindly notify the sender by reply email. >
