select() with timeout may return early in old Linux kernels
with 250 Hz tickrate and no dynticks, so skip everything older
than 2.6.32 (which has long term support).
And, Make the timing assertions consistently use assert_operator with
timing difference in error message
Patch by Eric Wong. [Bug #5335] [ruby-core:39618]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
modification of rb_thread_fd_select().
based on a patch by Eric Wong. [Bug #5306] [ruby-core:39435]
* thread.c (rb_fd_rcopy): New. for reverse fd copy.
* test/-ext-/old_thread_select/test_old_thread_select.rb
(test_old_select_false_positive): test for bug5306.
* ext/-test-/old_thread_select/old_thread_select.c (fdset2array):
New. convert fdsets to array.
* ext/-test-/old_thread_select/old_thread_select.c (old_thread_select):
return 'read', 'write', 'except' argument of rb_thread_select()
to ruby script.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33256 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
(TestOldThreadSelect#test_old_select_read_timeout): if the machine
is fast enough, the time used by code around IO.select may be smaller
than Time implement threshold.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
typo.
* test/-ext-/old_thread_select/test_old_thread_select.rb
(TestOldThreadSelect#test_old_select_signal_safe): use SIGINT instead
of SIGUSR1 because the former is general and the latter is platform
dependent.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rb_thread_fd_select(). old one is EINTR unsafe.
Patch by Eric Wong. [Bug #5229] [ruby-core:39102]
* test/-ext-/old_thread_select/test_old_thread_select.rb:
a testcase for rb_thread_select().
* ext/-test-/old_thread_select/old_thread_select.c: ditto.
* ext/-test-/old_thread_select/depend: ditto.
* ext/-test-/old_thread_select/extconf.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33117 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
