* process.c: use the name "sargp" for struct rb_execarg variables
  consistently for saving process attributes. 

* io.c: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c: use the variable name "soptions" for sargp->options.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add unsetenv_others_given and
  unsetenv_others_do fields.

* process.c (EXEC_OPTION_UNSETENV_OTHERS): removed.
  (rb_execarg_addopt): update the new fields, instead of options array.
  (rb_execarg_fixup): use the new fields.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36193 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add close_others_given, close_others_do and
  close_others_maxhint fields.

* process.c (EXEC_OPTION_CLOSE_OTHERS): removed.
  (rb_execarg_addopt): update the new fields, instead of options array.
  (check_exec_fds): take eargp as an argument.  update the
  close_others_maxhint field.
  (rb_execarg_fixup): follow the argument change of check_exec_fds.
  (rb_execarg_run_options): use the new fields.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36194 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add chdir_given and chdir_dir fields.

* process.c (EXEC_OPTION_CHDIR): removed.
  (mark_exec_arg): mark chdir_dir field.
  (rb_execarg_addopt): update the new fields, instead of options array.
  (rb_execarg_run_options): use the new fields.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add rlimit_limits field.

* process.c (EXEC_OPTION_RLIMIT): removed.
  (mark_exec_arg): mark rlimit_limits field.
  (rb_execarg_addopt): update the new fields, instead of options array.
  (run_exec_rlimit): use the new field.
  (rb_execarg_run_options): clear sarg using MEMZERO.  use the new
  field.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add env_modification field.

* process.c (EXEC_OPTION_ENV): removed.
  (mark_exec_arg): mark env_modification field.
  (rb_exec_fillarg): update the new field, instead of options array.
  (rb_execarg_fixup): use the new field.
  (save_env): ditto.
  (rb_execarg_run_options): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c (save_env): don't use EXEC_OPTION_UNSETENV_OTHERS.
  (rb_execarg_run_options): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36198 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c (check_exec_redirect1): extracted from
  check_exec_redirect.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c (rb_execarg_fixup): fix envopts condition.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36200 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add fd_dup2, fd_close, fd_open,
  fd_dup2_child fields.

* process.c (EXEC_OPTION_DUP2): removed.
  (EXEC_OPTION_CLOSE): removed.
  (EXEC_OPTION_OPEN): removed.
  (EXEC_OPTION_DUP2_CHILD): removed.
  (mark_exec_arg): mark the new fields.
  (check_exec_redirect1): change condition for default option.
  (check_exec_redirect): take a struct rb_execarg argument.
  use the new fields.
  (rb_execarg_addopt): follow the check_exec_redirect change.
  (check_exec_fds): use the new fields.
  (save_redirect_fd): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h (rb_execarg): add new_pgroup_given and new_pgroup_flag
  fields.

* process.c (EXEC_OPTION_NEW_PGROUP): removed.
  (proc_spawn_cmd): take a struct rb_execarg argument.
  use the new fields.
  (rb_execarg_addopt): use the new fields.
  (rb_spawn_process): follow the proc_spawn_cmd change.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36202 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c (proc_spawn_cmd): unused variable removed to suppress a
  warning.
  (save_env): ditto.

  [ruby-core:45797] reported by Luis Lavena.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Module#prepend

* class.c (rb_prepend_module): prepend module into another module.

* eval.c (rb_mod_prepend): new method Module#prepend.