Revision history for Perl extension Time::HiRes.
+1.54
+ - Solaris: like Tru64 (dec_osf) also Solaris need -lrt for nanosleep
+
+1.53
+ - Windows: higher resolution time() by using the Windows
+ performance counter API, from Jan Dubois and Anton Shcherbinin.
+ The exact new higher resolution depends on the hardware,
+ but it should be quite a bit better than using the basic
+ Windows timers.
+
+1.52
+ - In AIX (v?) with perl 5.6.1 the HiRes.t can hang after
+ the subtest 18. No known analysis nor fix, but added
+ an alarm (that requires fork() and alarm()) to the test.
+
+1.51
+ - doc tweaks from mjd (perl change #20456)
+ - NCR MP-RAS hints file added (svr4.pl) (perl change #21249)
+
+1.50
+ - add a message (for non-core builds) to Makefile.PL about
+ the LC_ALL=C workaround
+ - &Time::HiRes::d_nanosleep was broken (perl change #20131)
+ - the nanosleep() probe was broken (perl change #20061)
+ - use existence instead of definedness for feature probes
+ (perl change #20043)
+ - MPE/iX tweak (perl change #20042)
+ - do not use HAS_NANOSLEEP (perl change #19898)
+
+1.49
+ - UVuf for non-IVSIZE platforms (from Keiichiro Nagano)
+ - OS/2 can always mix subsecond sleeps with signals
+ (part of perl change #19789)
+
+1.48
+ - workaround for buggy gcc 2.95.3 in openbsd/sparc64
+ (perl change #19592)
+
+1.47
+ - do not use -lrt in Linux (from March Lehmann, perl change #19449)
+ - unnecessary (nanosleep is in libc anyway)
+ - harmful (-lrt slows down execution)
+ - incompatible (with many distributions' pthreads)
+
+1.46
+ - do not create files in blib directories under core
+ (perl change #19160, from rgs)
+ - detypo s/VTLARM/VTARLM/ (perl change #19328, from mjd)
+
+1.45
+ - guarantee that $xdefine in HiRes.t is always defined
+ (perl change #19109, from IlyaZ)
+ - a cleaner way to detect PERL_CORE (perl change #19111,
+ from IlyaZ)
+
+1.44
+ - add hints/irix.pl to turn off overly POSIX flags that
+ cause hide struct timespec to be hidden (and compilation
+ to fail) (bleadperl change #19085)
+ - documentation tweaks
+
+1.43
+ - add c:/temp to the list of temp directories to probe
+ so that cygwin (and win*?) builds are happy. This was
+ needed at least in my cygwin 1.3.20/w2k setup.
+
+1.42
+ - modernize the constants code (from Nicholas Clark)
+
+1.41
+ - At some point the ability to figure our the correct incdir
+ for EXTERN.h (either a core perl build, or an installed perl)
+ had broken (which lead into all test compiles failing with
+ a core perl build, but thanks to the robustness of Makefile.PL
+ nothing of this was visible). The brokenness seemed to be
+ caused by $ENV{PERL_CORE} not being on for core builds?
+ Now stole a trick from the Encode that sets $ENV{PERL_CORE}
+ right, and both styles of build should work again.
+
+1.40
+ - Nicholas Clark noticed that the my_catdir() emulation function
+ was broken (which means that we didn't really work for Perls
+ 5.002 and 5.003)
+ - inspired by fixing the above made the whole Makefile.PL -w
+ and strict clean
+ - tightened up the Makefile.PL output, less whitespace
+
+1.39
+ - fix from Craig Berry for better building in VMS with PERL_CORE
+
+1.38
+ - no functional changes
+ - move lib/Time/HiRes.pm as Hires.pm
+ - libraries scanning was slightly broken (always scanned
+ for a library even when $Config{libs} already had it)
+
+1.37
+ - Ray Zimmerman ran into a race condition in Mac OS X.
+ A 0.01-second alarm fired before the test expected.
+ The test first slept indefinitely (blocking for signals)
+ and only after that tested for the signal having been sent.
+ Since the signal had already been sent, the test #12 never
+ completed. The solution: test first, then block.
+ - default to being silent on all probing attempts, set the
+ environment variable VERBOSE to a true value to see the
+ details (the probing command and the possible errors)
+
+1.36
+ - do not clear MAN3PODS in Makefile.PL (Radoslaw Zielinski)
+ - INSTALLDIRS => 'perl' missing which means that Time::HiRes
+ cannot be upgraded from CPAN to override the 5.8.0 version
+ (Guido A. Ostkamp)
+ - Time::HiRes 1.35 could not be dropped as-is to bleadperl
+ because the include directories did not adjust themselves
+ if $ENV{PERL_CORE} (Hugo van der Sanden)
+ - add documentation about the restart of select() under alarm()
+
+1.35
+ - small documentation tweaks
+
+
+1.34
+ - better VMS operation (Craig Berry)
+
+1.33
+ - our time machine is accelerating: now works with Perl 5.004_01
+ (tried with 5.003_07 and 5.002 but I get segmentation faults
+ from running the Makefile.PL with those in Tru64 4.0D)
+
+1.32
+ - backward compatibility (pre-5.6.0) tweaks:
+ - no XSLoader in 5.00503, use DynaLoader instead
+ - no SvPV_nolen, either
+ - no PerlProc_pause(), either
+ - now tested with 5.00404 and 5.00503
+ - Makefile.PL requires 5.00404 (no more 5.002)
+ - use nanosleep instead of usleep, if it is available (Wilson Snyder)
+ (this means that one can mix subsecond sleeps with alarms)
+ - because of nanosleep we probe for -lrt and -lposix4
+ - the existence of getitimer/nanosleep/setitimer/ualarm/usleep
+ is available by exportable constants Time::HiRes::d_func
+ (since older Perl do not have them in %Config, and even
+ 5.8.0 does not probe for nanosleep)
+
+1.31
+ - backward compatibility (pre-5.6.1) tweaks:
+ - define NV if no NVTYPE
+ - define IVdf if needed (note: the Devel::PPPort
+ in 5.8.0 does not try hard hard enough since
+ the IVSIZE might not be defined)
+ - define NVgf if needed
+ - grab the typemap from 5.8.0 for the NV stuff
+1.30
+
+ - release 1.29_02 as 1.30
+
+1.29_02
+
+ - fix a silly unclosed comment typo in HiRes.xs
+ - document and export REALTIME_REALPROF (Solaris)
+
+1.29_01
+
+ - only getitimer(ITIMER_REAL) available in Cygwin and Win32
+ (need to patch this also in Perl 5.[89])
+ - remove CVS revision log from HiRes.xs
+
+1.29_00
+
+ The following numbered patches refer to the Perl 5.7 changes,
+ you can browse them at http://public.activestate.com/cgi-bin/perlbrowse
+
+ - 17558: Add #!./perl to the .t
+ - 17201: linux + usemorebits fix, from Rafael Garcia-Suarez
+ - 16198: political correctness, from Simon Cozens
+ - 15857: doc tweaks, from Jarkko Hietaniemi
+ - 15593: optimization in .xs, from Paul Green
+ - 14892: pod fixes, from Robin Barker
+ - 14100: VOS fixes, from Paul Green
+ - 13422: XS segfault, from Marc Lehmann
+ - 13378: whether select() gets restarted on signals, depends
+ - 13354: timing constraints, again, from Andy Dougherty
+ - 13278: can't do subecond alarms with ualarm;
+ break out early if alarms do not seem to be working
+ - 13266: test relaxation (cygwin gets lower hires
+ times than lores ones)
+ - 12846: protect against high load, from Jarkko Hietaniemi
+ - 12837: HiRes.t VMS tweak, from Craig A. Berry
+ - 12797: HiRes.t VMS tweak, from Charles Lane
+ - 12769: HiRes.t VMS tweak, from Craig A. Berry
+ - 12744: gcc vs MS 64-bit constant syntax, from Nick Ing-Simmons
+ - 12722: VMS ualarm for VMS without ualarm, from Charles Lane
+ - 12692: alarm() ain't gonna work if ualarm() ain't,
+ from Gurusamy Sarathy
+ - 12680: minor VMS tweak, from Charles Lane
+ - 12617: don't try to print ints as IVs, from Jarkko Hietaniemi
+ - 12609: croak on negative time, from Jarkko Hietaniemi
+ - 12595: Cygwin rounds up for time(), from Jarkko Hietaniemi
+ - 12594: MacOS Classic timeofday, from Chris Nandor
+ - 12473: allow for more than one second for sleep() and usleep()
+ - 12458: test tuning, relax timing constraints,
+ from Jarkko Hietaniemi
+ - 12449: make sleep() and usleep() to return the number
+ of seconds and microseconds actually slept (analogously
+ with the builtin sleep()), also make usleep() croak if
+ asked for more than 1_000_000 useconds, from Jarkko Hietaniemi
+ - 12366: Time::HiRes for VMS pre-7.0, from Charles Lane
+ - 12199: do not use ftime on Win32, from Gurusamy Sarathy
+ - 12196: use ftime() on Win32, from Artur Bergman
+ - 12184: fix Time::HiRes gettimeofday() on Win32, from Gurusamy Sarathy
+ - 12105: use GetSystemTime() on Win32, from Artur Bergman
+ - 12060: explain the 1e9 seconds problem, from Jarkko Hietaniemi
+ - 11901: UNICOS sloppy division, from Jarkko Hietaniemi
+ - 11797: problem in HiRes.t, from John P. Linderman
+ - 11414: prototype from Time::HiRes::sleep(), from Abhijit Menon-Sen
+ - 11409: Time::HiRes qw(sleep) failed, from Abhijit Menon-Sen
+ - 11270: dynix/ptx 4.5.2 hints fix, from Peter Prymmer
+ - 11032: VAX VMS s/div/lib\$ediv/ fix, from Peter Prymmer
+ - 11011: VAX VMS s/qdiv/div/ fix, from Peter Prymmer
+ - 10953: SCO OpenServer 5.0.5 requires an explicit -lc for usleep(),
+ from Jonathan Stowe
+ - 10942: MPE/IX test tweaks, from Mark Bixby
+ - 10784: unnecessary pod2man calls, from Andy Dougherty
+ - 10354: ext/ + -Wall, from Doug MacEachern
+ - 10320: fix the BOOT section to call myU2time correctly
+ - 10317: correct casting for AIX< from H. Merijn Brand
+ - 10119: document that the core time() may be rounding, not truncating
+ - 10118: test fix, from John Peacock
+ - 9988: long =item, from Robin Barker
+ - 9714: correct test output
+ - 9708: test also the scalar aspect of getitimer()
+ - 9705: Add interval timers (setitimer, getitimer)
+ - 9692: do not require at least 5.005 using XS
+
+ The following changes were made on top of the changes
+ made for Time::HiRes during the Perl 5.7 development
+ cycle that culminated in the release of Perl 5.8.0.
+
+ - add "require 5.005" to the Makefile.PL
+ - remove the REVISION section (CVS log) from HiRes.pm
+ - add jhi's copyright alongside Douglas'
+ - move HiRes.pm to lib/Time/
+ - move HiRes.t to t/
+ - modify HiRes.t to use $ENV{PERL_CORE}
+ - modify the original Time::HiRes version 1.20 Makefile.PL
+ to work both with Perl 5.8.0 and the new code with pre-5.8.0
+ Perls (tried with 5.6.1)
+ - tiny tweaks and updates in README and TODO
+ - bump the VERSION to 1.29
+
1.20 Wed Feb 24 21:30 1999
- make our usleep and ualarm substitutes into hrt_usleep
and hrt_ualarm. This helps static links of Perl with other
Ilya Zakharevich <ilya@math.ohio-state.edu>
- add C API stuff. From Joshua Pritikin
<joshua.pritikin@db.com>
- - VMS Makefile.PL fun. From pvhp@forte.com (Peter Prymmer)
+ - VMS Makefile.PL fun. From pvhp@forte.com (Peter Prymmer)
- hopefully correct "-lc" fix for SCO.
- add PPD stuff
1.17 Wed Jul 1 20:10 1998
- fix setitimer calls so microseconds is not more than 1000000.
Hp/UX 9 doesn't like that. Provided by Roland B Robert, PhD.
- - make Win32. We only get gettimeofday (the select hack doesn't
+ - make Win32. We only get gettimeofday (the select hack doesn't
seem to work on my Win95 system).
- - fix test 4 on 01test.t. add test to see if time() and
+ - fix test 4 on 01test.t. add test to see if time() and
Time::HiRes::time() are close.
1.16 Wed Nov 12 21:05 1997
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