Issue #9008 has been updated by kosaki (Motohiro KOSAKI).


One more.

Linux man page agree with OpenGroup spec. see 

http://man7.org/linux/man-pages/man2/clock_getres.2.html

> EINVAL The clk_id specified is not supported on this system.


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Bug #9008: TestProcess#test_clock_getres_constants and  TestProcess#test_clock_gettime_constants fails on ARM
https://bugs.ruby-lang.org/issues/9008#change-42451

Author: vo.x (Vit Ondruch)
Status: Open
Priority: Normal
Assignee: akr (Akira Tanaka)
Category: 
Target version: 
ruby -v: ruby -v: ruby 2.1.0dev (2013-09-22 trunk 43011) [armv7hl-linux]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


=begin
I observe following two errors on ARM Building Ruby for Fedora Rawhide. It seems that (({:CLOCK_REALTIME_ALARM})) and (({:CLOCK_BOOTTIME_ALARM})) are not supported there. The error message is confusing, though :/

 
   3) Error:
 TestProcess#test_clock_getres_constants:
 Errno::E524: Unknown error 524 - clock_getres
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1752:in `clock_getres'
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1752:in `block in test_clock_getres_constants'
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1749:in `each'
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1749:in `test_clock_getres_constants'
   4) Error:
 TestProcess#test_clock_gettime_constants:
 Errno::E524: Unknown error 524 - clock_gettime
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1676:in `clock_gettime'
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1676:in `block in test_clock_gettime_constants'
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1673:in `each'
     /builddir/build/BUILD/ruby-2.1.0-preview1/test/ruby/test_process.rb:1673:in `test_clock_gettime_constants'


I am going to resolve the issue temporary by applying

 sed -i '/Process.constants.grep(\/\\ACLOCK_\/).each {|n|/ s/$/\n      next if [:CLOCK_REALTIME_ALARM, :CLOCK_BOOTTIME_ALARM].include? n/' \
   test/ruby/test_process.rb

on ARM platform, but is there some better solution?
=end



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