Fresh start

17 files changed, 2045 insertions, 0 deletions

diff --git a/jni/ruby/ext/io/console/Makefile b/jni/ruby/ext/io/console/Makefile
new file mode 100644
index 0000000..fad3282
--- /dev/null
+++ b/jni/ruby/ext/io/console/Makefile
@@ -0,0 +1,284 @@
+
+SHELL = /bin/sh
+
+# V=0 quiet, V=1 verbose.  other values don't work.
+V = 0
+Q1 = $(V:1=)
+Q = $(Q1:0=@)
+ECHO1 = $(V:1=@:)
+ECHO = $(ECHO1:0=@echo)
+NULLCMD = :
+
+#### Start of system configuration section. ####
+top_srcdir = $(topdir)/.
+srcdir = $(top_srcdir)/ext/io/console
+topdir = ../../..
+hdrdir = $(top_srcdir)/include
+arch_hdrdir = $(extout)/include/$(arch)
+PATH_SEPARATOR = :
+VPATH = $(srcdir):$(arch_hdrdir)/ruby:$(hdrdir)/ruby
+RUBYLIB =
+RUBYOPT = -
+prefix = $(DESTDIR)/usr/local
+rubysitearchprefix = $(rubylibprefix)/$(sitearch)
+rubyarchprefix = $(rubylibprefix)/$(arch)
+rubylibprefix = $(libdir)/$(RUBY_BASE_NAME)
+exec_prefix = $(prefix)
+vendorarchhdrdir = $(vendorhdrdir)/$(sitearch)
+sitearchhdrdir = $(sitehdrdir)/$(sitearch)
+rubyarchhdrdir = $(rubyhdrdir)/$(arch)
+vendorhdrdir = $(rubyhdrdir)/vendor_ruby
+sitehdrdir = $(rubyhdrdir)/site_ruby
+rubyhdrdir = $(includedir)/$(RUBY_VERSION_NAME)
+vendorarchdir = $(vendorlibdir)/$(sitearch)
+vendorlibdir = $(vendordir)/$(ruby_version)
+vendordir = $(rubylibprefix)/vendor_ruby
+sitearchdir = $(sitelibdir)/$(sitearch)
+sitelibdir = $(sitedir)/$(ruby_version)
+sitedir = $(rubylibprefix)/site_ruby
+rubyarchdir = $(rubylibdir)/$(arch)
+rubylibdir = $(rubylibprefix)/$(ruby_version)
+sitearchincludedir = $(includedir)/$(sitearch)
+archincludedir = $(includedir)/$(arch)
+sitearchlibdir = $(libdir)/$(sitearch)
+archlibdir = $(libdir)/$(arch)
+ridir = $(datarootdir)/$(RI_BASE_NAME)
+mandir = $(datarootdir)/man
+localedir = $(datarootdir)/locale
+libdir = $(exec_prefix)/lib
+psdir = $(docdir)
+pdfdir = $(docdir)
+dvidir = $(docdir)
+htmldir = $(docdir)
+infodir = $(datarootdir)/info
+docdir = $(datarootdir)/doc/$(PACKAGE)
+oldincludedir = $(DESTDIR)/usr/include
+includedir = $(prefix)/include
+localstatedir = $(prefix)/var
+sharedstatedir = $(prefix)/com
+sysconfdir = $(prefix)/etc
+datadir = $(datarootdir)
+datarootdir = $(prefix)/share
+libexecdir = $(exec_prefix)/libexec
+sbindir = $(exec_prefix)/sbin
+bindir = $(exec_prefix)/bin
+archdir = $(rubyarchdir)
+
+
+CC = gcc
+CXX = g++
+LIBRUBY = $(LIBRUBY_SO)
+LIBRUBY_A = lib$(RUBY_SO_NAME)-static.a
+LIBRUBYARG_SHARED = -Wl,-R$(libdir) -L$(libdir) -l$(RUBY_SO_NAME)
+LIBRUBYARG_STATIC = -Wl,-R$(libdir) -L$(libdir) -l$(RUBY_SO_NAME)-static
+empty =
+OUTFLAG = -o $(empty)
+COUTFLAG = -o $(empty)
+
+RUBY_EXTCONF_H = extconf.h
+cflags   =  $(optflags) $(debugflags) $(warnflags)
+optflags = -O3 -fno-fast-math
+debugflags = -ggdb3
+warnflags = -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat
+CCDLFLAGS = -fPIC
+CFLAGS   = $(CCDLFLAGS) $(cflags)  -fPIC $(ARCH_FLAG)
+INCFLAGS = -I. -I$(arch_hdrdir) -I$(hdrdir) -I$(srcdir)
+DEFS     = 
+CPPFLAGS = -DRUBY_EXTCONF_H=\"$(RUBY_EXTCONF_H)\"  $(DEFS) $(cppflags)
+CXXFLAGS = $(CCDLFLAGS) $(cxxflags) $(ARCH_FLAG)
+ldflags  = -L. -fstack-protector -rdynamic -Wl,-export-dynamic
+dldflags =  
+ARCH_FLAG = 
+DLDFLAGS = $(ldflags) $(dldflags) $(ARCH_FLAG)
+LDSHARED = $(CC) -shared
+LDSHAREDXX = $(CXX) -shared
+AR = ar
+EXEEXT = 
+
+RUBY_INSTALL_NAME = $(RUBY_BASE_NAME)
+RUBY_SO_NAME = ruby
+RUBYW_INSTALL_NAME = 
+RUBY_VERSION_NAME = $(RUBY_BASE_NAME)-$(ruby_version)
+RUBYW_BASE_NAME = rubyw
+RUBY_BASE_NAME = ruby
+
+arch = x86_64-linux
+sitearch = $(arch)
+ruby_version = 2.2.0
+ruby = $(topdir)/miniruby -I'$(topdir)' -I'$(top_srcdir)/lib' -I'$(extout)/$(arch)' -I'$(extout)/common'
+RUBY = $(ruby)
+ruby_headers = $(hdrdir)/ruby.h $(hdrdir)/ruby/ruby.h $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/missing.h $(hdrdir)/ruby/intern.h $(hdrdir)/ruby/st.h $(hdrdir)/ruby/subst.h $(arch_hdrdir)/ruby/config.h $(RUBY_EXTCONF_H)
+
+RM = rm -f
+RM_RF = $(RUBY) -run -e rm -- -rf
+RMDIRS = rmdir --ignore-fail-on-non-empty -p
+MAKEDIRS = /bin/mkdir -p
+INSTALL = /usr/bin/install -c
+INSTALL_PROG = $(INSTALL) -m 0755
+INSTALL_DATA = $(INSTALL) -m 644
+COPY = cp
+TOUCH = exit >
+
+#### End of system configuration section. ####
+
+preload = 
+
+libpath = . $(topdir)
+LIBPATH =  -L. -L$(topdir)
+DEFFILE = 
+
+CLEANFILES = mkmf.log
+DISTCLEANFILES = 
+DISTCLEANDIRS = 
+
+extout = $(topdir)/.ext
+extout_prefix = $(extout)$(target_prefix)/
+target_prefix = /io
+LOCAL_LIBS = 
+LIBS = $(LIBRUBYARG_SHARED)  -lpthread -lgmp -ldl -lcrypt -lm   -lc
+ORIG_SRCS = console.c
+SRCS = $(ORIG_SRCS) 
+OBJS = console.o
+HDRS = $(srcdir)/extconf.h
+TARGET = console
+TARGET_NAME = console
+TARGET_ENTRY = Init_$(TARGET_NAME)
+DLLIB = $(TARGET).so
+EXTSTATIC = 
+STATIC_LIB = $(TARGET).a
+
+TIMESTAMP_DIR = $(extout)/.timestamp
+BINDIR        = $(extout)/bin
+RUBYCOMMONDIR = $(extout)/common
+RUBYLIBDIR    = $(RUBYCOMMONDIR)$(target_prefix)
+RUBYARCHDIR   = $(extout)/$(arch)$(target_prefix)
+HDRDIR        = $(extout)/include/ruby$(target_prefix)
+ARCHHDRDIR    = $(extout)/include/$(arch)/ruby$(target_prefix)
+
+TARGET_SO     = $(RUBYARCHDIR)/$(DLLIB)
+CLEANLIBS     = $(RUBYARCHDIR)/$(TARGET).so 
+CLEANOBJS     = *.o  *.bak
+
+all:    install
+static: all
+.PHONY: all install static install-so install-rb
+.PHONY: clean clean-so clean-static clean-rb
+
+clean-static::
+clean-rb-default::
+clean-rb::
+clean-so::
+clean: clean-so clean-static clean-rb-default clean-rb
+		-$(Q)$(RM) $(CLEANLIBS) $(CLEANOBJS) $(CLEANFILES) .*.time
+
+distclean-rb-default::
+distclean-rb::
+distclean-so::
+distclean-static::
+distclean: clean distclean-so distclean-static distclean-rb-default distclean-rb
+		-$(Q)$(RM) Makefile $(RUBY_EXTCONF_H) conftest.* mkmf.log
+		-$(Q)$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES)
+		-$(Q)$(RMDIRS) $(DISTCLEANDIRS) 2> /dev/null || true
+
+realclean: distclean
+install: install-so install-rb
+
+install-so: $(RUBYARCHDIR)/$(DLLIB)
+clean-so::
+	-$(Q)$(RM) $(RUBYARCHDIR)/$(DLLIB)
+	-$(Q)$(RMDIRS) $(RUBYARCHDIR) 2> /dev/null || true
+clean-static::
+	-$(Q)$(RM) $(STATIC_LIB)
+install-rb: pre-install-rb install-rb-default
+install-rb-default: pre-install-rb-default
+pre-install-rb: Makefile
+pre-install-rb-default: Makefile
+pre-install-rb-default: $(TIMESTAMP_DIR)/.RUBYLIBDIR.-.io.-.console.time
+install-rb-default: $(RUBYLIBDIR)/console/size.rb
+$(RUBYLIBDIR)/console/size.rb: $(srcdir)/lib/console/size.rb $(TIMESTAMP_DIR)/.RUBYLIBDIR.-.io.-.console.time
+	$(Q) $(COPY) $(srcdir)/lib/console/size.rb $(@D)
+clean-rb-default::
+	-$(Q)$(RM) $(RUBYLIBDIR)/console/size.rb
+pre-install-rb-default:
+	$(ECHO) installing default console libraries
+clean-rb-default::
+	-$(Q)$(RMDIRS) $(RUBYLIBDIR)/console 2> /dev/null || true
+$(TIMESTAMP_DIR)/.RUBYARCHDIR.-.io.time:
+	$(Q) $(MAKEDIRS) $(@D) $(RUBYARCHDIR)
+	$(Q) $(TOUCH) $@
+$(TIMESTAMP_DIR)/.RUBYLIBDIR.-.io.-.console.time:
+	$(Q) $(MAKEDIRS) $(@D) $(RUBYLIBDIR)/console
+	$(Q) $(TOUCH) $@
+
+site-install: site-install-so site-install-rb
+site-install-so: install-so
+site-install-rb: install-rb
+
+.SUFFIXES: .c .m .cc .mm .cxx .cpp .o .S
+
+.cc.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cc.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.mm.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.mm.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.cxx.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cxx.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.cpp.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cpp.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.c.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<
+
+.c.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -S $<
+
+.m.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<
+
+.m.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -S $<
+
+$(RUBYARCHDIR)/$(DLLIB): $(OBJS) Makefile $(TIMESTAMP_DIR)/.RUBYARCHDIR.-.io.time
+	$(ECHO) linking shared-object io/$(DLLIB)
+	-$(Q)$(RM) $(@)
+	$(Q) $(LDSHARED) -o $@ $(OBJS) $(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)
+
+$(STATIC_LIB): $(OBJS)
+	-$(Q)$(RM) $(@)
+	$(ECHO) linking static-library $(@)
+	$(Q) $(AR) cru $@ $(OBJS)
+	-$(Q)ranlib $(@) 2> /dev/null || true
+
+###
+$(OBJS): $(RUBY_EXTCONF_H)
+
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h
diff --git a/jni/ruby/ext/io/console/console.c b/jni/ruby/ext/io/console/console.c
new file mode 100644
index 0000000..e846450
--- /dev/null
+++ b/jni/ruby/ext/io/console/console.c
@@ -0,0 +1,774 @@
+/* -*- c-file-style: "ruby" -*- */
+/*
+ * console IO module
+ */
+#include "ruby.h"
+#include "ruby/io.h"
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#if defined HAVE_TERMIOS_H
+# include <termios.h>
+typedef struct termios conmode;
+
+static int
+setattr(int fd, conmode *t)
+{
+    while (tcsetattr(fd, TCSAFLUSH, t)) {
+	if (errno != EINTR) return 0;
+    }
+    return 1;
+}
+# define getattr(fd, t) (tcgetattr(fd, t) == 0)
+#elif defined HAVE_TERMIO_H
+# include <termio.h>
+typedef struct termio conmode;
+# define setattr(fd, t) (ioctl(fd, TCSETAF, t) == 0)
+# define getattr(fd, t) (ioctl(fd, TCGETA, t) == 0)
+#elif defined HAVE_SGTTY_H
+# include <sgtty.h>
+typedef struct sgttyb conmode;
+# ifdef HAVE_STTY
+# define setattr(fd, t)  (stty(fd, t) == 0)
+# else
+# define setattr(fd, t)  (ioctl((fd), TIOCSETP, (t)) == 0)
+# endif
+# ifdef HAVE_GTTY
+# define getattr(fd, t)  (gtty(fd, t) == 0)
+# else
+# define getattr(fd, t)  (ioctl((fd), TIOCGETP, (t)) == 0)
+# endif
+#elif defined _WIN32
+#include <winioctl.h>
+typedef DWORD conmode;
+
+#ifdef HAVE_RB_W32_MAP_ERRNO
+#define LAST_ERROR rb_w32_map_errno(GetLastError())
+#else
+#define LAST_ERROR EBADF
+#endif
+#define SET_LAST_ERROR (errno = LAST_ERROR, 0)
+
+static int
+setattr(int fd, conmode *t)
+{
+    int x = SetConsoleMode((HANDLE)rb_w32_get_osfhandle(fd), *t);
+    if (!x) errno = LAST_ERROR;
+    return x;
+}
+
+static int
+getattr(int fd, conmode *t)
+{
+    int x = GetConsoleMode((HANDLE)rb_w32_get_osfhandle(fd), t);
+    if (!x) errno = LAST_ERROR;
+    return x;
+}
+#endif
+#ifndef SET_LAST_ERROR
+#define SET_LAST_ERROR (0)
+#endif
+
+static ID id_getc, id_console, id_close;
+
+typedef struct {
+    int vmin;
+    int vtime;
+} rawmode_arg_t;
+
+static rawmode_arg_t *
+rawmode_opt(int argc, VALUE *argv, rawmode_arg_t *opts)
+{
+    rawmode_arg_t *optp = NULL;
+    VALUE vopts;
+    rb_scan_args(argc, argv, "0:", &vopts);
+    if (!NIL_P(vopts)) {
+	VALUE vmin = rb_hash_aref(vopts, ID2SYM(rb_intern("min")));
+	VALUE vtime = rb_hash_aref(vopts, ID2SYM(rb_intern("time")));
+	/* default values by `stty raw` */
+	opts->vmin = 1;
+	opts->vtime = 0;
+	if (!NIL_P(vmin)) {
+	    opts->vmin = NUM2INT(vmin);
+	    optp = opts;
+	}
+	if (!NIL_P(vtime)) {
+	    VALUE v10 = INT2FIX(10);
+	    vtime = rb_funcall3(vtime, '*', 1, &v10);
+	    opts->vtime = NUM2INT(vtime);
+	    optp = opts;
+	}
+    }
+    return optp;
+}
+
+static void
+set_rawmode(conmode *t, void *arg)
+{
+#ifdef HAVE_CFMAKERAW
+    cfmakeraw(t);
+    t->c_lflag &= ~(ECHOE|ECHOK);
+#elif defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
+    t->c_oflag &= ~OPOST;
+    t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN);
+    t->c_cflag &= ~(CSIZE|PARENB);
+    t->c_cflag |= CS8;
+#elif defined HAVE_SGTTY_H
+    t->sg_flags &= ~ECHO;
+    t->sg_flags |= RAW;
+#elif defined _WIN32
+    *t = 0;
+#endif
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    if (arg) {
+	const rawmode_arg_t *r = arg;
+	if (r->vmin >= 0) t->c_cc[VMIN] = r->vmin;
+	if (r->vtime >= 0) t->c_cc[VTIME] = r->vtime;
+    }
+#endif
+}
+
+static void
+set_cookedmode(conmode *t, void *arg)
+{
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    t->c_iflag |= (BRKINT|ISTRIP|ICRNL|IXON);
+    t->c_oflag |= OPOST;
+    t->c_lflag |= (ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN);
+#elif defined HAVE_SGTTY_H
+    t->sg_flags |= ECHO;
+    t->sg_flags &= ~RAW;
+#elif defined _WIN32
+    *t |= ENABLE_ECHO_INPUT|ENABLE_LINE_INPUT|ENABLE_PROCESSED_INPUT;
+#endif
+}
+
+static void
+set_noecho(conmode *t, void *arg)
+{
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    t->c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
+#elif defined HAVE_SGTTY_H
+    t->sg_flags &= ~ECHO;
+#elif defined _WIN32
+    *t &= ~ENABLE_ECHO_INPUT;
+#endif
+}
+
+static void
+set_echo(conmode *t, void *arg)
+{
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    t->c_lflag |= (ECHO | ECHOE | ECHOK | ECHONL);
+#elif defined HAVE_SGTTY_H
+    t->sg_flags |= ECHO;
+#elif defined _WIN32
+    *t |= ENABLE_ECHO_INPUT;
+#endif
+}
+
+static int
+echo_p(conmode *t)
+{
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    return (t->c_lflag & (ECHO | ECHONL)) != 0;
+#elif defined HAVE_SGTTY_H
+    return (t->sg_flags & ECHO) != 0;
+#elif defined _WIN32
+    return (*t & ENABLE_ECHO_INPUT) != 0;
+#endif
+}
+
+static int
+set_ttymode(int fd, conmode *t, void (*setter)(conmode *, void *), void *arg)
+{
+    conmode r;
+    if (!getattr(fd, t)) return 0;
+    r = *t;
+    setter(&r, arg);
+    return setattr(fd, &r);
+}
+
+#define GetReadFD(fptr) ((fptr)->fd)
+
+static inline int
+get_write_fd(const rb_io_t *fptr)
+{
+    VALUE wio = fptr->tied_io_for_writing;
+    rb_io_t *ofptr;
+    if (!wio) return fptr->fd;
+    GetOpenFile(wio, ofptr);
+    return ofptr->fd;
+}
+#define GetWriteFD(fptr) get_write_fd(fptr)
+
+#define FD_PER_IO 2
+
+static VALUE
+ttymode(VALUE io, VALUE (*func)(VALUE), void (*setter)(conmode *, void *), void *arg)
+{
+    rb_io_t *fptr;
+    int status = -1;
+    int error = 0;
+    int fd[FD_PER_IO];
+    conmode t[FD_PER_IO];
+    VALUE result = Qnil;
+
+    GetOpenFile(io, fptr);
+    fd[0] = GetReadFD(fptr);
+    if (fd[0] != -1) {
+	if (set_ttymode(fd[0], t+0, setter, arg)) {
+	    status = 0;
+	}
+	else {
+	    error = errno;
+	    fd[0] = -1;
+	}
+    }
+    fd[1] = GetWriteFD(fptr);
+    if (fd[1] != -1 && fd[1] != fd[0]) {
+	if (set_ttymode(fd[1], t+1, setter, arg)) {
+	    status = 0;
+	}
+	else {
+	    error = errno;
+	    fd[1] = -1;
+	}
+    }
+    if (status == 0) {
+	result = rb_protect(func, io, &status);
+    }
+    GetOpenFile(io, fptr);
+    if (fd[0] != -1 && fd[0] == GetReadFD(fptr)) {
+	if (!setattr(fd[0], t+0)) {
+	    error = errno;
+	    status = -1;
+	}
+    }
+    if (fd[1] != -1 && fd[1] != fd[0] && fd[1] == GetWriteFD(fptr)) {
+	if (!setattr(fd[1], t+1)) {
+	    error = errno;
+	    status = -1;
+	}
+    }
+    if (status) {
+	if (status == -1) {
+	    errno = error;
+	    rb_sys_fail(0);
+	}
+	rb_jump_tag(status);
+    }
+    return result;
+}
+
+/*
+ * call-seq:
+ *   io.raw(min: nil, time: nil) {|io| }
+ *
+ * Yields +self+ within raw mode.
+ *
+ *   STDIN.raw(&:gets)
+ *
+ * will read and return a line without echo back and line editing.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_raw(int argc, VALUE *argv, VALUE io)
+{
+    rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts);
+    return ttymode(io, rb_yield, set_rawmode, optp);
+}
+
+/*
+ * call-seq:
+ *   io.raw!(min: nil, time: nil)
+ *
+ * Enables raw mode.
+ *
+ * If the terminal mode needs to be back, use io.raw { ... }.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_set_raw(int argc, VALUE *argv, VALUE io)
+{
+    conmode t;
+    rb_io_t *fptr;
+    int fd;
+    rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts);
+
+    GetOpenFile(io, fptr);
+    fd = GetReadFD(fptr);
+    if (!getattr(fd, &t)) rb_sys_fail(0);
+    set_rawmode(&t, optp);
+    if (!setattr(fd, &t)) rb_sys_fail(0);
+    return io;
+}
+
+/*
+ * call-seq:
+ *   io.cooked {|io| }
+ *
+ * Yields +self+ within cooked mode.
+ *
+ *   STDIN.cooked(&:gets)
+ *
+ * will read and return a line with echo back and line editing.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_cooked(VALUE io)
+{
+    return ttymode(io, rb_yield, set_cookedmode, NULL);
+}
+
+/*
+ * call-seq:
+ *   io.cooked!
+ *
+ * Enables cooked mode.
+ *
+ * If the terminal mode needs to be back, use io.cooked { ... }.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_set_cooked(VALUE io)
+{
+    conmode t;
+    rb_io_t *fptr;
+    int fd;
+
+    GetOpenFile(io, fptr);
+    fd = GetReadFD(fptr);
+    if (!getattr(fd, &t)) rb_sys_fail(0);
+    set_cookedmode(&t, NULL);
+    if (!setattr(fd, &t)) rb_sys_fail(0);
+    return io;
+}
+
+static VALUE
+getc_call(VALUE io)
+{
+    return rb_funcall2(io, id_getc, 0, 0);
+}
+
+/*
+ * call-seq:
+ *   io.getch(min: nil, time: nil)       -> char
+ *
+ * Reads and returns a character in raw mode.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_getch(int argc, VALUE *argv, VALUE io)
+{
+    rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts);
+    return ttymode(io, getc_call, set_rawmode, optp);
+}
+
+/*
+ * call-seq:
+ *   io.noecho {|io| }
+ *
+ * Yields +self+ with disabling echo back.
+ *
+ *   STDIN.noecho(&:gets)
+ *
+ * will read and return a line without echo back.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_noecho(VALUE io)
+{
+    return ttymode(io, rb_yield, set_noecho, NULL);
+}
+
+/*
+ * call-seq:
+ *   io.echo = flag
+ *
+ * Enables/disables echo back.
+ * On some platforms, all combinations of this flags and raw/cooked
+ * mode may not be valid.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_set_echo(VALUE io, VALUE f)
+{
+    conmode t;
+    rb_io_t *fptr;
+    int fd;
+
+    GetOpenFile(io, fptr);
+    fd = GetReadFD(fptr);
+    if (!getattr(fd, &t)) rb_sys_fail(0);
+    if (RTEST(f))
+	set_echo(&t, NULL);
+    else
+	set_noecho(&t, NULL);
+    if (!setattr(fd, &t)) rb_sys_fail(0);
+    return io;
+}
+
+/*
+ * call-seq:
+ *   io.echo?       -> true or false
+ *
+ * Returns +true+ if echo back is enabled.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_echo_p(VALUE io)
+{
+    conmode t;
+    rb_io_t *fptr;
+    int fd;
+
+    GetOpenFile(io, fptr);
+    fd = GetReadFD(fptr);
+    if (!getattr(fd, &t)) rb_sys_fail(0);
+    return echo_p(&t) ? Qtrue : Qfalse;
+}
+
+#if defined TIOCGWINSZ
+typedef struct winsize rb_console_size_t;
+#define getwinsize(fd, buf) (ioctl((fd), TIOCGWINSZ, (buf)) == 0)
+#define setwinsize(fd, buf) (ioctl((fd), TIOCSWINSZ, (buf)) == 0)
+#define winsize_row(buf) (buf)->ws_row
+#define winsize_col(buf) (buf)->ws_col
+#elif defined _WIN32
+typedef CONSOLE_SCREEN_BUFFER_INFO rb_console_size_t;
+#define getwinsize(fd, buf) ( \
+    GetConsoleScreenBufferInfo((HANDLE)rb_w32_get_osfhandle(fd), (buf)) || \
+    SET_LAST_ERROR)
+#define winsize_row(buf) ((buf)->srWindow.Bottom - (buf)->srWindow.Top + 1)
+#define winsize_col(buf) (buf)->dwSize.X
+#endif
+
+#if defined TIOCGWINSZ || defined _WIN32
+#define USE_CONSOLE_GETSIZE 1
+#endif
+
+#ifdef USE_CONSOLE_GETSIZE
+/*
+ * call-seq:
+ *   io.winsize     -> [rows, columns]
+ *
+ * Returns console size.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_winsize(VALUE io)
+{
+    rb_io_t *fptr;
+    int fd;
+    rb_console_size_t ws;
+
+    GetOpenFile(io, fptr);
+    fd = GetWriteFD(fptr);
+    if (!getwinsize(fd, &ws)) rb_sys_fail(0);
+    return rb_assoc_new(INT2NUM(winsize_row(&ws)), INT2NUM(winsize_col(&ws)));
+}
+
+/*
+ * call-seq:
+ *   io.winsize = [rows, columns]
+ *
+ * Tries to set console size.  The effect depends on the platform and
+ * the running environment.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_set_winsize(VALUE io, VALUE size)
+{
+    rb_io_t *fptr;
+    rb_console_size_t ws;
+#if defined _WIN32
+    HANDLE wh;
+    int newrow, newcol;
+#endif
+    VALUE row, col, xpixel, ypixel;
+#if defined TIOCSWINSZ
+    int fd;
+#endif
+
+    GetOpenFile(io, fptr);
+    size = rb_Array(size);
+    rb_scan_args((int)RARRAY_LEN(size), RARRAY_PTR(size), "22",
+                &row, &col, &xpixel, &ypixel);
+#if defined TIOCSWINSZ
+    fd = GetWriteFD(fptr);
+    ws.ws_row = ws.ws_col = ws.ws_xpixel = ws.ws_ypixel = 0;
+#define SET(m) ws.ws_##m = NIL_P(m) ? 0 : (unsigned short)NUM2UINT(m)
+    SET(row);
+    SET(col);
+    SET(xpixel);
+    SET(ypixel);
+#undef SET
+    if (!setwinsize(fd, &ws)) rb_sys_fail(0);
+#elif defined _WIN32
+    wh = (HANDLE)rb_w32_get_osfhandle(GetReadFD(fptr));
+    newrow = (SHORT)NUM2UINT(row);
+    newcol = (SHORT)NUM2UINT(col);
+    if (!getwinsize(GetReadFD(fptr), &ws)) {
+	rb_sys_fail("GetConsoleScreenBufferInfo");
+    }
+    if ((ws.dwSize.X < newcol && (ws.dwSize.X = newcol, 1)) ||
+	(ws.dwSize.Y < newrow && (ws.dwSize.Y = newrow, 1))) {
+	if (!(SetConsoleScreenBufferSize(wh, ws.dwSize) || SET_LAST_ERROR)) {
+	    rb_sys_fail("SetConsoleScreenBufferInfo");
+	}
+    }
+    ws.srWindow.Left = 0;
+    ws.srWindow.Top = 0;
+    ws.srWindow.Right = newcol;
+    ws.srWindow.Bottom = newrow;
+    if (!(SetConsoleWindowInfo(wh, FALSE, &ws.srWindow) || SET_LAST_ERROR)) {
+	rb_sys_fail("SetConsoleWindowInfo");
+    }
+#endif
+    return io;
+}
+#endif
+
+/*
+ * call-seq:
+ *   io.iflush
+ *
+ * Flushes input buffer in kernel.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_iflush(VALUE io)
+{
+    rb_io_t *fptr;
+    int fd;
+
+    GetOpenFile(io, fptr);
+    fd = GetReadFD(fptr);
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    if (tcflush(fd, TCIFLUSH)) rb_sys_fail(0);
+#endif
+    (void)fd;
+    return io;
+}
+
+/*
+ * call-seq:
+ *   io.oflush
+ *
+ * Flushes output buffer in kernel.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_oflush(VALUE io)
+{
+    rb_io_t *fptr;
+    int fd;
+
+    GetOpenFile(io, fptr);
+    fd = GetWriteFD(fptr);
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    if (tcflush(fd, TCOFLUSH)) rb_sys_fail(0);
+#endif
+    (void)fd;
+    return io;
+}
+
+/*
+ * call-seq:
+ *   io.ioflush
+ *
+ * Flushes input and output buffers in kernel.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_ioflush(VALUE io)
+{
+    rb_io_t *fptr;
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    int fd1, fd2;
+#endif
+
+    GetOpenFile(io, fptr);
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
+    fd1 = GetReadFD(fptr);
+    fd2 = GetWriteFD(fptr);
+    if (fd2 != -1 && fd1 != fd2) {
+	if (tcflush(fd1, TCIFLUSH)) rb_sys_fail(0);
+	if (tcflush(fd2, TCOFLUSH)) rb_sys_fail(0);
+    }
+    else {
+	if (tcflush(fd1, TCIOFLUSH)) rb_sys_fail(0);
+    }
+#endif
+    return io;
+}
+
+/*
+ * call-seq:
+ *   IO.console      -> #<File:/dev/tty>
+ *   IO.console(sym, *args)
+ *
+ * Returns an File instance opened console.
+ *
+ * If +sym+ is given, it will be sent to the opened console with
+ * +args+ and the result will be returned instead of the console IO
+ * itself.
+ *
+ * You must require 'io/console' to use this method.
+ */
+static VALUE
+console_dev(int argc, VALUE *argv, VALUE klass)
+{
+    VALUE con = 0;
+    rb_io_t *fptr;
+    VALUE sym = 0;
+
+    rb_check_arity(argc, 0, 1);
+    if (argc) {
+	Check_Type(sym = argv[0], T_SYMBOL);
+	--argc;
+	++argv;
+    }
+    if (klass == rb_cIO) klass = rb_cFile;
+    if (rb_const_defined(klass, id_console)) {
+	con = rb_const_get(klass, id_console);
+	if (!RB_TYPE_P(con, T_FILE) ||
+	    (!(fptr = RFILE(con)->fptr) || GetReadFD(fptr) == -1)) {
+	    rb_const_remove(klass, id_console);
+	    con = 0;
+	}
+    }
+    if (sym) {
+	if (sym == ID2SYM(id_close) && !argc) {
+	    if (con) {
+		rb_io_close(con);
+		rb_const_remove(klass, id_console);
+		con = 0;
+	    }
+	    return Qnil;
+	}
+    }
+    if (!con) {
+	VALUE args[2];
+#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H || defined HAVE_SGTTY_H
+# define CONSOLE_DEVICE "/dev/tty"
+#elif defined _WIN32
+# define CONSOLE_DEVICE "con$"
+# define CONSOLE_DEVICE_FOR_READING "conin$"
+# define CONSOLE_DEVICE_FOR_WRITING "conout$"
+#endif
+#ifndef CONSOLE_DEVICE_FOR_READING
+# define CONSOLE_DEVICE_FOR_READING CONSOLE_DEVICE
+#endif
+#ifdef CONSOLE_DEVICE_FOR_WRITING
+	VALUE out;
+	rb_io_t *ofptr;
+#endif
+	int fd;
+
+#ifdef CONSOLE_DEVICE_FOR_WRITING
+	fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_WRITING, O_RDWR, 0);
+	if (fd < 0) return Qnil;
+        rb_update_max_fd(fd);
+	args[1] = INT2FIX(O_WRONLY);
+	args[0] = INT2NUM(fd);
+	out = rb_class_new_instance(2, args, klass);
+#endif
+	fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_READING, O_RDWR, 0);
+	if (fd < 0) {
+#ifdef CONSOLE_DEVICE_FOR_WRITING
+	    rb_io_close(out);
+#endif
+	    return Qnil;
+	}
+        rb_update_max_fd(fd);
+	args[1] = INT2FIX(O_RDWR);
+	args[0] = INT2NUM(fd);
+	con = rb_class_new_instance(2, args, klass);
+	GetOpenFile(con, fptr);
+	fptr->pathv = rb_obj_freeze(rb_str_new2(CONSOLE_DEVICE));
+#ifdef CONSOLE_DEVICE_FOR_WRITING
+	GetOpenFile(out, ofptr);
+	ofptr->pathv = fptr->pathv;
+	fptr->tied_io_for_writing = out;
+	ofptr->mode |= FMODE_SYNC;
+#endif
+	fptr->mode |= FMODE_SYNC;
+	rb_const_set(klass, id_console, con);
+    }
+    if (sym) {
+	/* TODO: avoid inadvertent pindown */
+	return rb_funcall(con, SYM2ID(sym), argc, argv);
+    }
+    return con;
+}
+
+/*
+ * call-seq:
+ *   io.getch(min: nil, time: nil)       -> char
+ *
+ * See IO#getch.
+ */
+static VALUE
+io_getch(int argc, VALUE *argv, VALUE io)
+{
+    return rb_funcall2(io, rb_intern("getc"), argc, argv);
+}
+
+/*
+ * IO console methods
+ */
+void
+Init_console(void)
+{
+    id_getc = rb_intern("getc");
+    id_console = rb_intern("console");
+    id_close = rb_intern("close");
+    InitVM(console);
+}
+
+void
+InitVM_console(void)
+{
+    rb_define_method(rb_cIO, "raw", console_raw, -1);
+    rb_define_method(rb_cIO, "raw!", console_set_raw, -1);
+    rb_define_method(rb_cIO, "cooked", console_cooked, 0);
+    rb_define_method(rb_cIO, "cooked!", console_set_cooked, 0);
+    rb_define_method(rb_cIO, "getch", console_getch, -1);
+    rb_define_method(rb_cIO, "echo=", console_set_echo, 1);
+    rb_define_method(rb_cIO, "echo?", console_echo_p, 0);
+    rb_define_method(rb_cIO, "noecho", console_noecho, 0);
+    rb_define_method(rb_cIO, "winsize", console_winsize, 0);
+    rb_define_method(rb_cIO, "winsize=", console_set_winsize, 1);
+    rb_define_method(rb_cIO, "iflush", console_iflush, 0);
+    rb_define_method(rb_cIO, "oflush", console_oflush, 0);
+    rb_define_method(rb_cIO, "ioflush", console_ioflush, 0);
+    rb_define_singleton_method(rb_cIO, "console", console_dev, -1);
+    {
+	VALUE mReadable = rb_define_module_under(rb_cIO, "generic_readable");
+	rb_define_method(mReadable, "getch", io_getch, -1);
+    }
+}
diff --git a/jni/ruby/ext/io/console/depend b/jni/ruby/ext/io/console/depend
new file mode 100644
index 0000000..e786dc7
--- /dev/null
+++ b/jni/ruby/ext/io/console/depend
@@ -0,0 +1,4 @@
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h
diff --git a/jni/ruby/ext/io/console/extconf.h b/jni/ruby/ext/io/console/extconf.h
new file mode 100644
index 0000000..693d523
--- /dev/null
+++ b/jni/ruby/ext/io/console/extconf.h
@@ -0,0 +1,6 @@
+#ifndef EXTCONF_H
+#define EXTCONF_H
+#define HAVE_TERMIOS_H 1
+#define HAVE_CFMAKERAW 1
+#define HAVE_SYS_IOCTL_H 1
+#endif
diff --git a/jni/ruby/ext/io/console/extconf.rb b/jni/ruby/ext/io/console/extconf.rb
new file mode 100644
index 0000000..eb431b0
--- /dev/null
+++ b/jni/ruby/ext/io/console/extconf.rb
@@ -0,0 +1,21 @@
+require 'mkmf'
+
+ok = true
+hdr = nil
+case
+when macro_defined?("_WIN32", "")
+  # rb_w32_map_errno: 1.8.7
+when hdr = %w"termios.h termio.h".find {|h| have_header(h)}
+  have_func("cfmakeraw", hdr)
+when have_header(hdr = "sgtty.h")
+  %w"stty gtty".each {|f| have_func(f, hdr)}
+else
+  ok = false
+end
+if ok
+  have_header("sys/ioctl.h")
+  # rb_check_hash_type: 1.9.3
+  # rb_io_get_write_io: 1.9.1
+  # rb_cloexec_open: 2.0.0
+  create_makefile("io/console")
+end
diff --git a/jni/ruby/ext/io/console/io-console.gemspec b/jni/ruby/ext/io/console/io-console.gemspec
new file mode 100644
index 0000000..79a2843
--- /dev/null
+++ b/jni/ruby/ext/io/console/io-console.gemspec
@@ -0,0 +1,21 @@
+# -*- ruby -*-
+_VERSION = "0.4.3"
+date = %w$Date:: 2015-07-01 04:17:07 +0900#$[1]
+
+Gem::Specification.new do |s|
+  s.name = "io-console"
+  s.version = _VERSION
+  s.date = date
+  s.summary = "Console interface"
+  s.email = "nobu@ruby-lang.org"
+  s.description = "add console capabilities to IO instances."
+  s.required_ruby_version = ">= 2.0.0"
+  s.homepage = "http://www.ruby-lang.org"
+  s.authors = ["Nobu Nakada"]
+  s.require_path = %[lib]
+  s.files = %w[console.c extconf.rb lib/console/size.rb]
+  s.extensions = %w[extconf.rb]
+  s.licenses = "ruby"
+  s.cert_chain  = %w[certs/nobu.pem]
+  s.signing_key = File.expand_path("~/.ssh/gem-private_key.pem") if $0 =~ /gem\z/
+end
diff --git a/jni/ruby/ext/io/console/lib/console/size.rb b/jni/ruby/ext/io/console/lib/console/size.rb
new file mode 100644
index 0000000..519bc3b
--- /dev/null
+++ b/jni/ruby/ext/io/console/lib/console/size.rb
@@ -0,0 +1,22 @@
+# fallback to console window size
+def IO.default_console_size
+  [
+    ENV["LINES"].to_i.nonzero? || 25,
+    ENV["COLUMNS"].to_i.nonzero? || 80,
+  ]
+end
+
+begin
+  require 'io/console'
+rescue LoadError
+  class IO
+    alias console_size default_console_size
+  end
+else
+  # returns console window size
+  def IO.console_size
+    console.winsize
+  rescue NoMethodError
+    default_console_size
+  end
+end
diff --git a/jni/ruby/ext/io/nonblock/Makefile b/jni/ruby/ext/io/nonblock/Makefile
new file mode 100644
index 0000000..1b79b89
--- /dev/null
+++ b/jni/ruby/ext/io/nonblock/Makefile
@@ -0,0 +1,273 @@
+
+SHELL = /bin/sh
+
+# V=0 quiet, V=1 verbose.  other values don't work.
+V = 0
+Q1 = $(V:1=)
+Q = $(Q1:0=@)
+ECHO1 = $(V:1=@:)
+ECHO = $(ECHO1:0=@echo)
+NULLCMD = :
+
+#### Start of system configuration section. ####
+top_srcdir = $(topdir)/.
+srcdir = $(top_srcdir)/ext/io/nonblock
+topdir = ../../..
+hdrdir = $(top_srcdir)/include
+arch_hdrdir = $(extout)/include/$(arch)
+PATH_SEPARATOR = :
+VPATH = $(srcdir):$(arch_hdrdir)/ruby:$(hdrdir)/ruby
+RUBYLIB =
+RUBYOPT = -
+prefix = $(DESTDIR)/usr/local
+rubysitearchprefix = $(rubylibprefix)/$(sitearch)
+rubyarchprefix = $(rubylibprefix)/$(arch)
+rubylibprefix = $(libdir)/$(RUBY_BASE_NAME)
+exec_prefix = $(prefix)
+vendorarchhdrdir = $(vendorhdrdir)/$(sitearch)
+sitearchhdrdir = $(sitehdrdir)/$(sitearch)
+rubyarchhdrdir = $(rubyhdrdir)/$(arch)
+vendorhdrdir = $(rubyhdrdir)/vendor_ruby
+sitehdrdir = $(rubyhdrdir)/site_ruby
+rubyhdrdir = $(includedir)/$(RUBY_VERSION_NAME)
+vendorarchdir = $(vendorlibdir)/$(sitearch)
+vendorlibdir = $(vendordir)/$(ruby_version)
+vendordir = $(rubylibprefix)/vendor_ruby
+sitearchdir = $(sitelibdir)/$(sitearch)
+sitelibdir = $(sitedir)/$(ruby_version)
+sitedir = $(rubylibprefix)/site_ruby
+rubyarchdir = $(rubylibdir)/$(arch)
+rubylibdir = $(rubylibprefix)/$(ruby_version)
+sitearchincludedir = $(includedir)/$(sitearch)
+archincludedir = $(includedir)/$(arch)
+sitearchlibdir = $(libdir)/$(sitearch)
+archlibdir = $(libdir)/$(arch)
+ridir = $(datarootdir)/$(RI_BASE_NAME)
+mandir = $(datarootdir)/man
+localedir = $(datarootdir)/locale
+libdir = $(exec_prefix)/lib
+psdir = $(docdir)
+pdfdir = $(docdir)
+dvidir = $(docdir)
+htmldir = $(docdir)
+infodir = $(datarootdir)/info
+docdir = $(datarootdir)/doc/$(PACKAGE)
+oldincludedir = $(DESTDIR)/usr/include
+includedir = $(prefix)/include
+localstatedir = $(prefix)/var
+sharedstatedir = $(prefix)/com
+sysconfdir = $(prefix)/etc
+datadir = $(datarootdir)
+datarootdir = $(prefix)/share
+libexecdir = $(exec_prefix)/libexec
+sbindir = $(exec_prefix)/sbin
+bindir = $(exec_prefix)/bin
+archdir = $(rubyarchdir)
+
+
+CC = gcc
+CXX = g++
+LIBRUBY = $(LIBRUBY_SO)
+LIBRUBY_A = lib$(RUBY_SO_NAME)-static.a
+LIBRUBYARG_SHARED = -Wl,-R$(libdir) -L$(libdir) -l$(RUBY_SO_NAME)
+LIBRUBYARG_STATIC = -Wl,-R$(libdir) -L$(libdir) -l$(RUBY_SO_NAME)-static
+empty =
+OUTFLAG = -o $(empty)
+COUTFLAG = -o $(empty)
+
+RUBY_EXTCONF_H = extconf.h
+cflags   =  $(optflags) $(debugflags) $(warnflags)
+optflags = -O3 -fno-fast-math
+debugflags = -ggdb3
+warnflags = -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat
+CCDLFLAGS = -fPIC
+CFLAGS   = $(CCDLFLAGS) $(cflags)  -fPIC $(ARCH_FLAG)
+INCFLAGS = -I. -I$(arch_hdrdir) -I$(hdrdir) -I$(srcdir)
+DEFS     = 
+CPPFLAGS = -DRUBY_EXTCONF_H=\"$(RUBY_EXTCONF_H)\"  $(DEFS) $(cppflags)
+CXXFLAGS = $(CCDLFLAGS) $(cxxflags) $(ARCH_FLAG)
+ldflags  = -L. -fstack-protector -rdynamic -Wl,-export-dynamic
+dldflags =  
+ARCH_FLAG = 
+DLDFLAGS = $(ldflags) $(dldflags) $(ARCH_FLAG)
+LDSHARED = $(CC) -shared
+LDSHAREDXX = $(CXX) -shared
+AR = ar
+EXEEXT = 
+
+RUBY_INSTALL_NAME = $(RUBY_BASE_NAME)
+RUBY_SO_NAME = ruby
+RUBYW_INSTALL_NAME = 
+RUBY_VERSION_NAME = $(RUBY_BASE_NAME)-$(ruby_version)
+RUBYW_BASE_NAME = rubyw
+RUBY_BASE_NAME = ruby
+
+arch = x86_64-linux
+sitearch = $(arch)
+ruby_version = 2.2.0
+ruby = $(topdir)/miniruby -I'$(topdir)' -I'$(top_srcdir)/lib' -I'$(extout)/$(arch)' -I'$(extout)/common'
+RUBY = $(ruby)
+ruby_headers = $(hdrdir)/ruby.h $(hdrdir)/ruby/ruby.h $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/missing.h $(hdrdir)/ruby/intern.h $(hdrdir)/ruby/st.h $(hdrdir)/ruby/subst.h $(arch_hdrdir)/ruby/config.h $(RUBY_EXTCONF_H)
+
+RM = rm -f
+RM_RF = $(RUBY) -run -e rm -- -rf
+RMDIRS = rmdir --ignore-fail-on-non-empty -p
+MAKEDIRS = /bin/mkdir -p
+INSTALL = /usr/bin/install -c
+INSTALL_PROG = $(INSTALL) -m 0755
+INSTALL_DATA = $(INSTALL) -m 644
+COPY = cp
+TOUCH = exit >
+
+#### End of system configuration section. ####
+
+preload = 
+
+libpath = . $(topdir)
+LIBPATH =  -L. -L$(topdir)
+DEFFILE = 
+
+CLEANFILES = mkmf.log
+DISTCLEANFILES = 
+DISTCLEANDIRS = 
+
+extout = $(topdir)/.ext
+extout_prefix = $(extout)$(target_prefix)/
+target_prefix = /io
+LOCAL_LIBS = 
+LIBS = $(LIBRUBYARG_SHARED)  -lpthread -lgmp -ldl -lcrypt -lm   -lc
+ORIG_SRCS = nonblock.c
+SRCS = $(ORIG_SRCS) 
+OBJS = nonblock.o
+HDRS = $(srcdir)/extconf.h
+TARGET = nonblock
+TARGET_NAME = nonblock
+TARGET_ENTRY = Init_$(TARGET_NAME)
+DLLIB = $(TARGET).so
+EXTSTATIC = 
+STATIC_LIB = $(TARGET).a
+
+TIMESTAMP_DIR = $(extout)/.timestamp
+BINDIR        = $(extout)/bin
+RUBYCOMMONDIR = $(extout)/common
+RUBYLIBDIR    = $(RUBYCOMMONDIR)$(target_prefix)
+RUBYARCHDIR   = $(extout)/$(arch)$(target_prefix)
+HDRDIR        = $(extout)/include/ruby$(target_prefix)
+ARCHHDRDIR    = $(extout)/include/$(arch)/ruby$(target_prefix)
+
+TARGET_SO     = $(RUBYARCHDIR)/$(DLLIB)
+CLEANLIBS     = $(RUBYARCHDIR)/$(TARGET).so 
+CLEANOBJS     = *.o  *.bak
+
+all:    install
+static: all
+.PHONY: all install static install-so install-rb
+.PHONY: clean clean-so clean-static clean-rb
+
+clean-static::
+clean-rb-default::
+clean-rb::
+clean-so::
+clean: clean-so clean-static clean-rb-default clean-rb
+		-$(Q)$(RM) $(CLEANLIBS) $(CLEANOBJS) $(CLEANFILES) .*.time
+
+distclean-rb-default::
+distclean-rb::
+distclean-so::
+distclean-static::
+distclean: clean distclean-so distclean-static distclean-rb-default distclean-rb
+		-$(Q)$(RM) Makefile $(RUBY_EXTCONF_H) conftest.* mkmf.log
+		-$(Q)$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES)
+		-$(Q)$(RMDIRS) $(DISTCLEANDIRS) 2> /dev/null || true
+
+realclean: distclean
+install: install-so install-rb
+
+install-so: $(RUBYARCHDIR)/$(DLLIB)
+clean-so::
+	-$(Q)$(RM) $(RUBYARCHDIR)/$(DLLIB)
+	-$(Q)$(RMDIRS) $(RUBYARCHDIR) 2> /dev/null || true
+clean-static::
+	-$(Q)$(RM) $(STATIC_LIB)
+install-rb: pre-install-rb install-rb-default
+install-rb-default: pre-install-rb-default
+pre-install-rb: Makefile
+pre-install-rb-default: Makefile
+pre-install-rb-default:
+	@$(NULLCMD)
+$(TIMESTAMP_DIR)/.RUBYARCHDIR.-.io.time:
+	$(Q) $(MAKEDIRS) $(@D) $(RUBYARCHDIR)
+	$(Q) $(TOUCH) $@
+
+site-install: site-install-so site-install-rb
+site-install-so: install-so
+site-install-rb: install-rb
+
+.SUFFIXES: .c .m .cc .mm .cxx .cpp .o .S
+
+.cc.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cc.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.mm.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.mm.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.cxx.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cxx.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.cpp.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cpp.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.c.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<
+
+.c.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -S $<
+
+.m.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<
+
+.m.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -S $<
+
+$(RUBYARCHDIR)/$(DLLIB): $(OBJS) Makefile $(TIMESTAMP_DIR)/.RUBYARCHDIR.-.io.time
+	$(ECHO) linking shared-object io/$(DLLIB)
+	-$(Q)$(RM) $(@)
+	$(Q) $(LDSHARED) -o $@ $(OBJS) $(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)
+
+$(STATIC_LIB): $(OBJS)
+	-$(Q)$(RM) $(@)
+	$(ECHO) linking static-library $(@)
+	$(Q) $(AR) cru $@ $(OBJS)
+	-$(Q)ranlib $(@) 2> /dev/null || true
+
+###
+$(OBJS): $(RUBY_EXTCONF_H)
+
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h
diff --git a/jni/ruby/ext/io/nonblock/depend b/jni/ruby/ext/io/nonblock/depend
new file mode 100644
index 0000000..e786dc7
--- /dev/null
+++ b/jni/ruby/ext/io/nonblock/depend
@@ -0,0 +1,4 @@
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h
diff --git a/jni/ruby/ext/io/nonblock/extconf.h b/jni/ruby/ext/io/nonblock/extconf.h
new file mode 100644
index 0000000..cda0cc8
--- /dev/null
+++ b/jni/ruby/ext/io/nonblock/extconf.h
@@ -0,0 +1,3 @@
+#ifndef EXTCONF_H
+#define EXTCONF_H
+#endif
diff --git a/jni/ruby/ext/io/nonblock/extconf.rb b/jni/ruby/ext/io/nonblock/extconf.rb
new file mode 100644
index 0000000..aecdc16
--- /dev/null
+++ b/jni/ruby/ext/io/nonblock/extconf.rb
@@ -0,0 +1,8 @@
+require 'mkmf'
+target = "io/nonblock"
+
+hdr = %w"fcntl.h"
+if have_macro("O_NONBLOCK", hdr) and
+    (have_macro("F_GETFL", hdr) or have_macro("F_SETFL", hdr))
+  create_makefile(target)
+end
diff --git a/jni/ruby/ext/io/nonblock/nonblock.c b/jni/ruby/ext/io/nonblock/nonblock.c
new file mode 100644
index 0000000..792b6f0
--- /dev/null
+++ b/jni/ruby/ext/io/nonblock/nonblock.c
@@ -0,0 +1,138 @@
+/**********************************************************************
+
+  io/wait.c -
+
+  $Author: usa $
+  created at: Tue Jul 14 21:53:18 2009
+
+  All the files in this distribution are covered under the Ruby's
+  license (see the file COPYING).
+
+**********************************************************************/
+
+#include "ruby.h"
+#include "ruby/io.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+
+#ifdef F_GETFL
+static int
+io_nonblock_mode(int fd)
+{
+    int f = fcntl(fd, F_GETFL);
+    if (f == -1) rb_sys_fail(0);
+    return f;
+}
+#else
+#define io_nonblock_mode(fd) ((void)(fd), 0)
+#endif
+
+#ifdef F_GETFL
+/*
+ * call-seq:
+ *   io.nonblock? -> boolean
+ *
+ * Returns +true+ if an IO object is in non-blocking mode.
+ */
+static VALUE
+rb_io_nonblock_p(VALUE io)
+{
+    rb_io_t *fptr;
+    GetOpenFile(io, fptr);
+    if (io_nonblock_mode(fptr->fd) & O_NONBLOCK)
+	return Qtrue;
+    return Qfalse;
+}
+#else
+#define rb_io_nonblock_p rb_f_notimplement
+#endif
+
+#ifdef F_SETFL
+static void
+io_nonblock_set(int fd, int f, int nb)
+{
+    if (nb) {
+	if ((f & O_NONBLOCK) != 0)
+	    return;
+	f |= O_NONBLOCK;
+    }
+    else {
+	if ((f & O_NONBLOCK) == 0)
+	    return;
+	f &= ~O_NONBLOCK;
+    }
+    if (fcntl(fd, F_SETFL, f) == -1)
+	rb_sys_fail(0);
+}
+
+/*
+ * call-seq:
+ *   io.nonblock = boolean -> boolean
+ *
+ * Enables non-blocking mode on a stream when set to
+ * +true+, and blocking mode when set to +false+.
+ */
+static VALUE
+rb_io_nonblock_set(VALUE io, VALUE nb)
+{
+    rb_io_t *fptr;
+    GetOpenFile(io, fptr);
+    if (RTEST(nb))
+	rb_io_set_nonblock(fptr);
+    else
+	io_nonblock_set(fptr->fd, io_nonblock_mode(fptr->fd), RTEST(nb));
+    return io;
+}
+
+static VALUE
+io_nonblock_restore(VALUE arg)
+{
+    int *restore = (int *)arg;
+    if (fcntl(restore[0], F_SETFL, restore[1]) == -1)
+	rb_sys_fail(0);
+    return Qnil;
+}
+
+/*
+ * call-seq:
+ *   io.nonblock {|io| } -> io
+ *   io.nonblock(boolean) {|io| } -> io
+ *
+ * Yields +self+ in non-blocking mode.
+ *
+ * When +false+ is given as an argument, +self+ is yielded in blocking mode.
+ * The original mode is restored after the block is executed.
+ */
+static VALUE
+rb_io_nonblock_block(int argc, VALUE *argv, VALUE io)
+{
+    int nb = 1;
+    rb_io_t *fptr;
+    int f, restore[2];
+
+    GetOpenFile(io, fptr);
+    if (argc > 0) {
+	VALUE v;
+	rb_scan_args(argc, argv, "01", &v);
+	nb = RTEST(v);
+    }
+    f = io_nonblock_mode(fptr->fd);
+    restore[0] = fptr->fd;
+    restore[1] = f;
+    io_nonblock_set(fptr->fd, f, nb);
+    return rb_ensure(rb_yield, io, io_nonblock_restore, (VALUE)restore);
+}
+#else
+#define rb_io_nonblock_set rb_f_notimplement
+#define rb_io_nonblock_block rb_f_notimplement
+#endif
+
+void
+Init_nonblock(void)
+{
+    rb_define_method(rb_cIO, "nonblock?", rb_io_nonblock_p, 0);
+    rb_define_method(rb_cIO, "nonblock=", rb_io_nonblock_set, 1);
+    rb_define_method(rb_cIO, "nonblock", rb_io_nonblock_block, -1);
+}
diff --git a/jni/ruby/ext/io/wait/Makefile b/jni/ruby/ext/io/wait/Makefile
new file mode 100644
index 0000000..b1bf69a
--- /dev/null
+++ b/jni/ruby/ext/io/wait/Makefile
@@ -0,0 +1,273 @@
+
+SHELL = /bin/sh
+
+# V=0 quiet, V=1 verbose.  other values don't work.
+V = 0
+Q1 = $(V:1=)
+Q = $(Q1:0=@)
+ECHO1 = $(V:1=@:)
+ECHO = $(ECHO1:0=@echo)
+NULLCMD = :
+
+#### Start of system configuration section. ####
+top_srcdir = $(topdir)/.
+srcdir = $(top_srcdir)/ext/io/wait
+topdir = ../../..
+hdrdir = $(top_srcdir)/include
+arch_hdrdir = $(extout)/include/$(arch)
+PATH_SEPARATOR = :
+VPATH = $(srcdir):$(arch_hdrdir)/ruby:$(hdrdir)/ruby
+RUBYLIB =
+RUBYOPT = -
+prefix = $(DESTDIR)/usr/local
+rubysitearchprefix = $(rubylibprefix)/$(sitearch)
+rubyarchprefix = $(rubylibprefix)/$(arch)
+rubylibprefix = $(libdir)/$(RUBY_BASE_NAME)
+exec_prefix = $(prefix)
+vendorarchhdrdir = $(vendorhdrdir)/$(sitearch)
+sitearchhdrdir = $(sitehdrdir)/$(sitearch)
+rubyarchhdrdir = $(rubyhdrdir)/$(arch)
+vendorhdrdir = $(rubyhdrdir)/vendor_ruby
+sitehdrdir = $(rubyhdrdir)/site_ruby
+rubyhdrdir = $(includedir)/$(RUBY_VERSION_NAME)
+vendorarchdir = $(vendorlibdir)/$(sitearch)
+vendorlibdir = $(vendordir)/$(ruby_version)
+vendordir = $(rubylibprefix)/vendor_ruby
+sitearchdir = $(sitelibdir)/$(sitearch)
+sitelibdir = $(sitedir)/$(ruby_version)
+sitedir = $(rubylibprefix)/site_ruby
+rubyarchdir = $(rubylibdir)/$(arch)
+rubylibdir = $(rubylibprefix)/$(ruby_version)
+sitearchincludedir = $(includedir)/$(sitearch)
+archincludedir = $(includedir)/$(arch)
+sitearchlibdir = $(libdir)/$(sitearch)
+archlibdir = $(libdir)/$(arch)
+ridir = $(datarootdir)/$(RI_BASE_NAME)
+mandir = $(datarootdir)/man
+localedir = $(datarootdir)/locale
+libdir = $(exec_prefix)/lib
+psdir = $(docdir)
+pdfdir = $(docdir)
+dvidir = $(docdir)
+htmldir = $(docdir)
+infodir = $(datarootdir)/info
+docdir = $(datarootdir)/doc/$(PACKAGE)
+oldincludedir = $(DESTDIR)/usr/include
+includedir = $(prefix)/include
+localstatedir = $(prefix)/var
+sharedstatedir = $(prefix)/com
+sysconfdir = $(prefix)/etc
+datadir = $(datarootdir)
+datarootdir = $(prefix)/share
+libexecdir = $(exec_prefix)/libexec
+sbindir = $(exec_prefix)/sbin
+bindir = $(exec_prefix)/bin
+archdir = $(rubyarchdir)
+
+
+CC = gcc
+CXX = g++
+LIBRUBY = $(LIBRUBY_SO)
+LIBRUBY_A = lib$(RUBY_SO_NAME)-static.a
+LIBRUBYARG_SHARED = -Wl,-R$(libdir) -L$(libdir) -l$(RUBY_SO_NAME)
+LIBRUBYARG_STATIC = -Wl,-R$(libdir) -L$(libdir) -l$(RUBY_SO_NAME)-static
+empty =
+OUTFLAG = -o $(empty)
+COUTFLAG = -o $(empty)
+
+RUBY_EXTCONF_H = extconf.h
+cflags   =  $(optflags) $(debugflags) $(warnflags)
+optflags = -O3 -fno-fast-math
+debugflags = -ggdb3
+warnflags = -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat
+CCDLFLAGS = -fPIC
+CFLAGS   = $(CCDLFLAGS) $(cflags)  -fPIC $(ARCH_FLAG)
+INCFLAGS = -I. -I$(arch_hdrdir) -I$(hdrdir) -I$(srcdir)
+DEFS     = 
+CPPFLAGS = -DRUBY_EXTCONF_H=\"$(RUBY_EXTCONF_H)\"  $(DEFS) $(cppflags)
+CXXFLAGS = $(CCDLFLAGS) $(cxxflags) $(ARCH_FLAG)
+ldflags  = -L. -fstack-protector -rdynamic -Wl,-export-dynamic
+dldflags =  
+ARCH_FLAG = 
+DLDFLAGS = $(ldflags) $(dldflags) $(ARCH_FLAG)
+LDSHARED = $(CC) -shared
+LDSHAREDXX = $(CXX) -shared
+AR = ar
+EXEEXT = 
+
+RUBY_INSTALL_NAME = $(RUBY_BASE_NAME)
+RUBY_SO_NAME = ruby
+RUBYW_INSTALL_NAME = 
+RUBY_VERSION_NAME = $(RUBY_BASE_NAME)-$(ruby_version)
+RUBYW_BASE_NAME = rubyw
+RUBY_BASE_NAME = ruby
+
+arch = x86_64-linux
+sitearch = $(arch)
+ruby_version = 2.2.0
+ruby = $(topdir)/miniruby -I'$(topdir)' -I'$(top_srcdir)/lib' -I'$(extout)/$(arch)' -I'$(extout)/common'
+RUBY = $(ruby)
+ruby_headers = $(hdrdir)/ruby.h $(hdrdir)/ruby/ruby.h $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/missing.h $(hdrdir)/ruby/intern.h $(hdrdir)/ruby/st.h $(hdrdir)/ruby/subst.h $(arch_hdrdir)/ruby/config.h $(RUBY_EXTCONF_H)
+
+RM = rm -f
+RM_RF = $(RUBY) -run -e rm -- -rf
+RMDIRS = rmdir --ignore-fail-on-non-empty -p
+MAKEDIRS = /bin/mkdir -p
+INSTALL = /usr/bin/install -c
+INSTALL_PROG = $(INSTALL) -m 0755
+INSTALL_DATA = $(INSTALL) -m 644
+COPY = cp
+TOUCH = exit >
+
+#### End of system configuration section. ####
+
+preload = 
+
+libpath = . $(topdir)
+LIBPATH =  -L. -L$(topdir)
+DEFFILE = 
+
+CLEANFILES = mkmf.log
+DISTCLEANFILES = 
+DISTCLEANDIRS = 
+
+extout = $(topdir)/.ext
+extout_prefix = $(extout)$(target_prefix)/
+target_prefix = /io
+LOCAL_LIBS = 
+LIBS = $(LIBRUBYARG_SHARED)  -lpthread -lgmp -ldl -lcrypt -lm   -lc
+ORIG_SRCS = wait.c
+SRCS = $(ORIG_SRCS) 
+OBJS = wait.o
+HDRS = $(srcdir)/extconf.h
+TARGET = wait
+TARGET_NAME = wait
+TARGET_ENTRY = Init_$(TARGET_NAME)
+DLLIB = $(TARGET).so
+EXTSTATIC = 
+STATIC_LIB = $(TARGET).a
+
+TIMESTAMP_DIR = $(extout)/.timestamp
+BINDIR        = $(extout)/bin
+RUBYCOMMONDIR = $(extout)/common
+RUBYLIBDIR    = $(RUBYCOMMONDIR)$(target_prefix)
+RUBYARCHDIR   = $(extout)/$(arch)$(target_prefix)
+HDRDIR        = $(extout)/include/ruby$(target_prefix)
+ARCHHDRDIR    = $(extout)/include/$(arch)/ruby$(target_prefix)
+
+TARGET_SO     = $(RUBYARCHDIR)/$(DLLIB)
+CLEANLIBS     = $(RUBYARCHDIR)/$(TARGET).so 
+CLEANOBJS     = *.o  *.bak
+
+all:    install
+static: all
+.PHONY: all install static install-so install-rb
+.PHONY: clean clean-so clean-static clean-rb
+
+clean-static::
+clean-rb-default::
+clean-rb::
+clean-so::
+clean: clean-so clean-static clean-rb-default clean-rb
+		-$(Q)$(RM) $(CLEANLIBS) $(CLEANOBJS) $(CLEANFILES) .*.time
+
+distclean-rb-default::
+distclean-rb::
+distclean-so::
+distclean-static::
+distclean: clean distclean-so distclean-static distclean-rb-default distclean-rb
+		-$(Q)$(RM) Makefile $(RUBY_EXTCONF_H) conftest.* mkmf.log
+		-$(Q)$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES)
+		-$(Q)$(RMDIRS) $(DISTCLEANDIRS) 2> /dev/null || true
+
+realclean: distclean
+install: install-so install-rb
+
+install-so: $(RUBYARCHDIR)/$(DLLIB)
+clean-so::
+	-$(Q)$(RM) $(RUBYARCHDIR)/$(DLLIB)
+	-$(Q)$(RMDIRS) $(RUBYARCHDIR) 2> /dev/null || true
+clean-static::
+	-$(Q)$(RM) $(STATIC_LIB)
+install-rb: pre-install-rb install-rb-default
+install-rb-default: pre-install-rb-default
+pre-install-rb: Makefile
+pre-install-rb-default: Makefile
+pre-install-rb-default:
+	@$(NULLCMD)
+$(TIMESTAMP_DIR)/.RUBYARCHDIR.-.io.time:
+	$(Q) $(MAKEDIRS) $(@D) $(RUBYARCHDIR)
+	$(Q) $(TOUCH) $@
+
+site-install: site-install-so site-install-rb
+site-install-so: install-so
+site-install-rb: install-rb
+
+.SUFFIXES: .c .m .cc .mm .cxx .cpp .o .S
+
+.cc.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cc.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.mm.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.mm.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.cxx.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cxx.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.cpp.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<
+
+.cpp.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -S $<
+
+.c.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<
+
+.c.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -S $<
+
+.m.o:
+	$(ECHO) compiling $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<
+
+.m.S:
+	$(ECHO) translating $(<)
+	$(Q) $(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -S $<
+
+$(RUBYARCHDIR)/$(DLLIB): $(OBJS) Makefile $(TIMESTAMP_DIR)/.RUBYARCHDIR.-.io.time
+	$(ECHO) linking shared-object io/$(DLLIB)
+	-$(Q)$(RM) $(@)
+	$(Q) $(LDSHARED) -o $@ $(OBJS) $(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)
+
+$(STATIC_LIB): $(OBJS)
+	-$(Q)$(RM) $(@)
+	$(ECHO) linking static-library $(@)
+	$(Q) $(AR) cru $@ $(OBJS)
+	-$(Q)ranlib $(@) 2> /dev/null || true
+
+###
+$(OBJS): $(RUBY_EXTCONF_H)
+
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h
diff --git a/jni/ruby/ext/io/wait/depend b/jni/ruby/ext/io/wait/depend
new file mode 100644
index 0000000..e786dc7
--- /dev/null
+++ b/jni/ruby/ext/io/wait/depend
@@ -0,0 +1,4 @@
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h
diff --git a/jni/ruby/ext/io/wait/extconf.h b/jni/ruby/ext/io/wait/extconf.h
new file mode 100644
index 0000000..27a457f
--- /dev/null
+++ b/jni/ruby/ext/io/wait/extconf.h
@@ -0,0 +1,5 @@
+#ifndef EXTCONF_H
+#define EXTCONF_H
+#define HAVE_SYS_IOCTL_H 1
+#define FIONREAD_HEADER <sys/ioctl.h>
+#endif
diff --git a/jni/ruby/ext/io/wait/extconf.rb b/jni/ruby/ext/io/wait/extconf.rb
new file mode 100644
index 0000000..eed3543
--- /dev/null
+++ b/jni/ruby/ext/io/wait/extconf.rb
@@ -0,0 +1,18 @@
+require 'mkmf'
+target = "io/wait"
+
+unless macro_defined?("DOSISH", "#include <ruby.h>")
+  have_header(ioctl_h = "sys/ioctl.h") or ioctl_h = nil
+  fionread = %w[sys/ioctl.h sys/filio.h sys/socket.h].find do |h|
+    have_macro("FIONREAD", [h, ioctl_h].compact)
+  end
+  if fionread
+    $defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
+    create_makefile(target)
+  end
+else
+  if have_func("rb_w32_ioctlsocket", "ruby.h")
+    have_func("rb_w32_is_socket", "ruby.h")
+    create_makefile(target)
+  end
+end
diff --git a/jni/ruby/ext/io/wait/wait.c b/jni/ruby/ext/io/wait/wait.c
new file mode 100644
index 0000000..8104397
--- /dev/null
+++ b/jni/ruby/ext/io/wait/wait.c
@@ -0,0 +1,187 @@
+/**********************************************************************
+
+  io/wait.c -
+
+  $Author: nagachika $
+  created at: Tue Aug 28 09:08:06 JST 2001
+
+  All the files in this distribution are covered under the Ruby's
+  license (see the file COPYING).
+
+**********************************************************************/
+
+#include "ruby.h"
+#include "ruby/io.h"
+
+#include <sys/types.h>
+#if defined(HAVE_UNISTD_H) && (defined(__sun))
+#include <unistd.h>
+#endif
+#if defined(HAVE_SYS_IOCTL_H)
+#include <sys/ioctl.h>
+#endif
+#if defined(FIONREAD_HEADER)
+#include FIONREAD_HEADER
+#endif
+
+#ifdef HAVE_RB_W32_IOCTLSOCKET
+#define ioctl ioctlsocket
+#define ioctl_arg u_long
+#define ioctl_arg2num(i) ULONG2NUM(i)
+#else
+#define ioctl_arg int
+#define ioctl_arg2num(i) INT2NUM(i)
+#endif
+
+#ifdef HAVE_RB_W32_IS_SOCKET
+#define FIONREAD_POSSIBLE_P(fd) rb_w32_is_socket(fd)
+#else
+#define FIONREAD_POSSIBLE_P(fd) ((void)(fd),Qtrue)
+#endif
+
+static VALUE io_ready_p _((VALUE io));
+static VALUE io_wait_readable _((int argc, VALUE *argv, VALUE io));
+static VALUE io_wait_writable _((int argc, VALUE *argv, VALUE io));
+void Init_wait _((void));
+
+/*
+ * call-seq:
+ *   io.nread -> int
+ *
+ * Returns number of bytes that can be read without blocking.
+ * Returns zero if no information available.
+ */
+
+static VALUE
+io_nread(VALUE io)
+{
+    rb_io_t *fptr;
+    int len;
+    ioctl_arg n;
+
+    GetOpenFile(io, fptr);
+    rb_io_check_readable(fptr);
+    len = rb_io_read_pending(fptr);
+    if (len > 0) return INT2FIX(len);
+    if (!FIONREAD_POSSIBLE_P(fptr->fd)) return INT2FIX(0);
+    if (ioctl(fptr->fd, FIONREAD, &n)) return INT2FIX(0);
+    if (n > 0) return ioctl_arg2num(n);
+    return INT2FIX(0);
+}
+
+/*
+ * call-seq:
+ *   io.ready? -> true, false or nil
+ *
+ * Returns true if input available without blocking, or false.
+ * Returns nil if no information available.
+ */
+
+static VALUE
+io_ready_p(VALUE io)
+{
+    rb_io_t *fptr;
+    ioctl_arg n;
+
+    GetOpenFile(io, fptr);
+    rb_io_check_readable(fptr);
+    if (rb_io_read_pending(fptr)) return Qtrue;
+    if (!FIONREAD_POSSIBLE_P(fptr->fd)) return Qnil;
+    if (ioctl(fptr->fd, FIONREAD, &n)) return Qnil;
+    if (n > 0) return Qtrue;
+    return Qfalse;
+}
+
+/*
+ * call-seq:
+ *   io.wait          -> IO, true, false or nil
+ *   io.wait(timeout) -> IO, true, false or nil
+ *   io.wait_readable          -> IO, true, false or nil
+ *   io.wait_readable(timeout) -> IO, true, false or nil
+ *
+ * Waits until input is available or times out and returns self or nil when
+ * EOF is reached.
+ */
+
+static VALUE
+io_wait_readable(int argc, VALUE *argv, VALUE io)
+{
+    rb_io_t *fptr;
+    int i;
+    ioctl_arg n;
+    VALUE timeout;
+    struct timeval timerec;
+    struct timeval *tv;
+
+    GetOpenFile(io, fptr);
+    rb_io_check_readable(fptr);
+    rb_scan_args(argc, argv, "01", &timeout);
+    if (NIL_P(timeout)) {
+	tv = NULL;
+    }
+    else {
+	timerec = rb_time_interval(timeout);
+	tv = &timerec;
+    }
+
+    if (rb_io_read_pending(fptr)) return Qtrue;
+    if (!FIONREAD_POSSIBLE_P(fptr->fd)) return Qfalse;
+    i = rb_wait_for_single_fd(fptr->fd, RB_WAITFD_IN, tv);
+    if (i < 0)
+	rb_sys_fail(0);
+    rb_io_check_closed(fptr);
+    if (ioctl(fptr->fd, FIONREAD, &n)) rb_sys_fail(0);
+    if (n > 0) return io;
+    return Qnil;
+}
+
+/*
+ * call-seq:
+ *   io.wait_writable          -> IO
+ *   io.wait_writable(timeout) -> IO or nil
+ *
+ * Waits until IO writable is available or times out and returns self or
+ * nil when EOF is reached.
+ */
+static VALUE
+io_wait_writable(int argc, VALUE *argv, VALUE io)
+{
+    rb_io_t *fptr;
+    int i;
+    VALUE timeout;
+    struct timeval timerec;
+    struct timeval *tv;
+
+    GetOpenFile(io, fptr);
+    rb_io_check_writable(fptr);
+    rb_scan_args(argc, argv, "01", &timeout);
+    if (NIL_P(timeout)) {
+	tv = NULL;
+    }
+    else {
+	timerec = rb_time_interval(timeout);
+	tv = &timerec;
+    }
+
+    i = rb_wait_for_single_fd(fptr->fd, RB_WAITFD_OUT, tv);
+    if (i < 0)
+	rb_sys_fail(0);
+    rb_io_check_closed(fptr);
+    if (i & RB_WAITFD_OUT)
+	return io;
+    return Qnil;
+}
+
+/*
+ * IO wait methods
+ */
+
+void
+Init_wait(void)
+{
+    rb_define_method(rb_cIO, "nread", io_nread, 0);
+    rb_define_method(rb_cIO, "ready?", io_ready_p, 0);
+    rb_define_method(rb_cIO, "wait", io_wait_readable, -1);
+    rb_define_method(rb_cIO, "wait_readable", io_wait_readable, -1);
+    rb_define_method(rb_cIO, "wait_writable", io_wait_writable, -1);
+}