Add `mruby-sleep` gem to the core.

mrbgems/mruby-sleep/.gitignore

+/mruby
+
+*.so
+*.a
\ No newline at end of file

mrbgems/mruby-sleep/.travis.yml

+dist: trusty
+
+language: c
+compiler:
+  - gcc
+  - clang
+env:
+  - MRUBY_VERSION=1.2.0
+  - MRUBY_VERSION=master
+matrix:
+  allow_failures:
+    - env: MRUBY_VERSION=master
+branches:
+  only:
+    - master
+addons:
+  apt:
+    packages:
+      - rake
+      - bison
+      - git
+      - gperf
+      # - aclocal
+      # - automake
+      # - autoconf
+      # - autotools-dev
+
+script:
+  - rake test
\ No newline at end of file

mrbgems/mruby-sleep/.travis_build_config.rb

+MRuby::Build.new do |conf|
+  toolchain :gcc
+  conf.gembox 'default'
+  conf.gem '../mruby-sleep'
+  conf.enable_test
+end

mrbgems/mruby-sleep/README.md

+# Sleep Module for mruby
+mruby sleep module
+
+## install by mrbgems
+ - add conf.gem line to `build_config.rb`
+```ruby
+MRuby::Build.new do |conf|
+
+    # ... (snip) ...
+
+    conf.gem :git => 'https://github.com/matsumoto-r/mruby-sleep.git'
+end
+```
+
+## example
+
+```ruby
+Sleep::sleep(10)
+Sleep::usleep(10000)
+```
+
+# License
+under the MIT License:
+
+* http://www.opensource.org/licenses/mit-license.php
+
+

mrbgems/mruby-sleep/Rakefile

+MRUBY_CONFIG=File.expand_path(ENV["MRUBY_CONFIG"] || ".travis_build_config.rb")
+MRUBY_VERSION=ENV["MRUBY_VERSION"] || "1.2.0"
+
+file :mruby do
+  cmd =  "git clone --depth=1 git://github.com/mruby/mruby.git"
+  if MRUBY_VERSION != 'master'
+    cmd << " && cd mruby"
+    cmd << " && git fetch --tags && git checkout $(git rev-parse #{MRUBY_VERSION})"
+  end
+  sh cmd
+end
+
+desc "compile binary"
+task :compile => :mruby do
+  sh "cd mruby && MRUBY_CONFIG=#{MRUBY_CONFIG} rake all"
+end
+
+desc "test"
+task :test => :mruby do
+  sh "cd mruby && MRUBY_CONFIG=#{MRUBY_CONFIG} rake all test"
+end
+
+desc "cleanup"
+task :clean do
+  exit 0 unless File.directory?('mruby')
+  sh "cd mruby && rake deep_clean"
+end
+
+task :default => :compile

mrbgems/mruby-sleep/example/sleep.rb

+Sleep::sleep(10)
+Sleep::usleep(10000)
+

mrbgems/mruby-sleep/mrbgem.rake

+MRuby::Gem::Specification.new('mruby-sleep') do |spec|
+  spec.license = 'MIT'
+  spec.authors = 'MATSUMOTO Ryosuke'
+  spec.version = '0.0.1'
+end

mrbgems/mruby-sleep/src/mrb_sleep.c

+/*
+** mrb_sleep - sleep class for mruby
+**
+** Copyright (c) mod_mruby developers 2012-
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
+*/
+
+#include <time.h>
+#ifdef _WIN32
+    #include <windows.h>
+    #define sleep(x) Sleep(x * 1000)
+    #define usleep(x) Sleep(((x)<1000) ? 1 : ((x)/1000))
+#else
+    #include <unistd.h>
+    #include <sys/time.h>
+#endif
+
+#include "mruby.h"
+
+mrb_value mrb_f_sleep_sleep(mrb_state *mrb, mrb_value self)
+{   
+    time_t beg, end;
+    mrb_value *argv;
+    mrb_int argc;
+    int iargc;
+    
+    beg = time(0);
+    mrb_get_args(mrb, "*", &argv, &argc);
+    
+    iargc = (int)argc;
+    
+    /* not implemented forever sleep (called without an argument)*/
+    if (iargc == 0 || iargc >= 2) {
+        mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
+    }
+
+    if (mrb_fixnum_p(argv[0]) && mrb_fixnum(argv[0]) >= 0) {
+        sleep(mrb_fixnum(argv[0]));
+    } else {
+        mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must be positive integer");
+    }
+    end = time(0) - beg;
+
+    return mrb_fixnum_value(end);
+}
+
+mrb_value mrb_f_usleep_usleep(mrb_state *mrb, mrb_value self)
+{   
+    mrb_int argc;
+    mrb_value *argv;
+#ifdef _WIN32
+    FILETIME st_ft,ed_ft;
+    unsigned __int64 st_time = 0;
+    unsigned __int64 ed_time = 0;
+#else
+    struct timeval st_tm,ed_tm;
+#endif
+    time_t slp_tm;
+
+#ifdef _WIN32
+    GetSystemTimeAsFileTime(&st_ft);
+#else
+    gettimeofday( &st_tm, NULL );
+#endif
+
+    mrb_get_args(mrb, "*", &argv, &argc);
+
+    /* not implemented forever sleep (called without an argument)*/
+    if(argc == 0 || argc >= 2) {
+        mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
+    }
+
+    if (mrb_fixnum_p(argv[0]) && mrb_fixnum(argv[0]) >= 0) {
+        usleep(mrb_fixnum(argv[0]));
+    } else {
+        mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must be positive integer");
+    }
+
+#ifdef _WIN32
+    GetSystemTimeAsFileTime(&ed_ft);
+
+    st_time |= st_ft.dwHighDateTime;
+    st_time <<=32;
+    st_time |= st_ft.dwLowDateTime;
+    ed_time |= ed_ft.dwHighDateTime;
+    ed_time <<=32;
+    ed_time |= ed_ft.dwLowDateTime;
+
+    slp_tm = (ed_time - st_time) / 10;
+#else
+    gettimeofday( &ed_tm, NULL );
+
+    if ( st_tm.tv_usec > ed_tm.tv_usec ) {
+        slp_tm = 1000000 + ed_tm.tv_usec - st_tm.tv_usec;
+    } else {
+        slp_tm = ed_tm.tv_usec - st_tm.tv_usec;
+    }
+#endif
+
+    return mrb_fixnum_value(slp_tm);
+}
+
+void mrb_mruby_sleep_gem_init(mrb_state *mrb)
+{
+    struct RClass *sleep;
+
+    sleep = mrb_define_module(mrb, "Sleep");
+    mrb_define_class_method(mrb, sleep, "sleep",    mrb_f_sleep_sleep,      MRB_ARGS_REQ(1));
+    mrb_define_class_method(mrb, sleep, "usleep",   mrb_f_usleep_usleep,    MRB_ARGS_REQ(1));
+
+    mrb_define_method(mrb, mrb->kernel_module, "sleep",   mrb_f_sleep_sleep,    MRB_ARGS_REQ(1));
+    mrb_define_method(mrb, mrb->kernel_module, "usleep",  mrb_f_usleep_usleep,  MRB_ARGS_REQ(1));
+}
+
+void mrb_mruby_sleep_gem_final(mrb_state *mrb)
+{
+}

mrbgems/mruby-sleep/src/mrb_sleep.h

+/*
+// mrb_sleep.h - to provide sleep methods
+//
+// See Copyright Notice in mrb_sleep.c
+*/
+
+#ifndef MRB_SLEEP_H
+#define MRB_SLEEP_H
+
+void mrb_mruby_sleep_gem_init(mrb_state *mrb);
+
+#endif

mrbgems/mruby-sleep/test/sleep_test.rb

+def run_with_catching_error &b
+  e = nil
+  begin
+    b.call
+  rescue => _e
+    e = _e
+  end
+
+  return e
+end
+
+assert("sleep works") do
+  e = run_with_catching_error { sleep 1 }
+
+  assert_nil e
+end
+
+assert("sleep would not accept negative value") do
+  e = run_with_catching_error { sleep -1 }
+
+  assert_not_equal e, nil
+  assert_equal e.class, ArgumentError
+end
+
+assert("usleep works") do
+  e = run_with_catching_error { usleep 100 }
+
+  assert_nil e
+end
+
+assert("usleep would not accept negative value") do
+  e = run_with_catching_error { usleep -100 }
+
+  assert_not_equal e, nil
+  assert_equal e.class, ArgumentError
+end