* configure.in (_FORTIFY_SOURCE): added a few comments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39771 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: check struct timeval exist or not.
* include/ruby/missing.h (struct timeval): check HAVE_STRUCT_TIMEVAL
  properly. and don't include sys/time.h if struct timeval exist.

* file.c: include sys/time.h explicitly.
* random.c: ditto.
* thread_pthread.c: ditto.
* time.c: ditto.
* ext/date/date_strftime.c: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39772 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* include/ruby/missing.h (struct timespec): include <sys/time.h>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39773 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* include/ruby/missing.h (__syscall): moved to...
* io.c: here. because __syscall() is only used from io.c.

* include/ruby/missing.h: move "#include <sys/type.h>" to ....
* include/ruby/intern.h: here. because it was introduced for
  fixing NFDBITS issue. [ruby-core:05179].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39774 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread.c: disabled _FORTIFY_SOURCE for avoid to hit glibc bug.
  [Bug #8080] [ruby-core:53349]
* test/ruby/test_io.rb (TestIO#test_io_select_with_many_files):
  test for the above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c: max_file_descriptor

* io.c (max_file_descriptor): rb_atomic_t for ATOMIC_CAS().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39776 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
mingw build fix

* configure.in: struct timeval is defined in winsock2.h on mingw.

* include/ruby/missing.h: include time.h for time_t, and sys/time.h
  for timeval and timespec.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39777 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
console.c: supppress warnings

* ext/io/console/console.c (console_iflush, console_oflush): supppress
  unused-but-set-variable warnings on no tcflush.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39778 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Makefile.sub: fix mswin build

* win32/Makefile.sub (config.h): fix mswin build, also VC has time.h
  and struct timeval.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39779 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_bignum.rb: refine test

* test/ruby/test_bignum.rb (test_interrupt_during_to_s): rename and
  merge with assert_interrupt, separate Bignum power from to_s, get
  rid of busy loop, and skip if the conversion is too fast.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39780 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
missing.h: build fix

* include/ruby/missing.h: include time.h and sys/time.h iff needed,
  but excepct for sys/time.h on linux to get rid of glibc bug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39781 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-03-17

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39782 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* include/ruby/missing.h: removed __linux__. it's unnecessary.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e