akr	2008-04-24 23:46:39 +0900 (Thu, 24 Apr 2008)

  New Revision: 16183

  Modified files:
    trunk/ChangeLog
    trunk/hash.c
    trunk/include/ruby/intern.h
    trunk/io.c
    trunk/process.c
    trunk/test/ruby/test_process.rb

  Log:
    * include/ruby/intern.h (rb_env_clear): declared.
      (rb_io_mode_modenum): declared.
      (rb_close_before_exec): declared.
      (struct rb_exec_arg): add options and redirect_fds field.
      (rb_check_argv): removed.
      (rb_exec_initarg): declared.
      (rb_exec_getargs): declared.
      (rb_exec_initarg2): declared.
      (rb_fork): add third argument: fds.
    
    * io.c (max_file_descriptor): new static variable to record maximum
      file descriptor ruby used.
      (UPDATE_MAXFD): new macro.
      (UPDATE_MAXFD_PIPE): new macro.
      (rb_io_mode_modenum): externed.
      (rb_sysopen): update max_file_descriptor.
      (rb_close_before_exec): new function.
      (popen_exec): redirection removed because it is done by extended
      spawn mechanism.
      (pipe_open): generate a hash for spawn options to specify
      redirections.
      (pipe_open_v): use rb_exec_getargs.
      (pipe_open_s): use rb_exec_getargs.
      (rb_io_initialize): update max_file_descriptor..
    
    * process.c (hide_obj): new function.
      (check_exec_redirect_fd): new function.
      (check_exec_redirect): new function.
      (check_exec_options_i): new function.
      (check_exec_fds): new function.
      (rb_check_exec_options): new function.
      (check_exec_env_i): new function.
      (rb_check_exec_env): new function.
      (rb_exec_getargs): new function.
      (rb_exec_initarg2): new function.
      (rb_exec_initarg): new function.
      (rb_f_exec): use rb_exec_initarg.
      (intcmp): new function.
      (run_exec_dup2): new function.
      (run_exec_close): new function.
      (run_exec_open): new function.
      (run_exec_pgroup): new function.
      (run_exec_rlimit): new function.
      (run_exec_options): new function.
      (rb_exec): call run_exec_options.
      (move_fds_to_avoid_crash): new function.
      (pipe_nocrash): new function.
      (rb_fork): use pipe_nocrash to avoid file descriptor conflicts.
      (rb_spawn): use rb_exec_initarg.
      (rlimit_resource_name2int): extracted from rlimit_resource_type.
      (rlimit_type_by_hname): new function.
      (rlimit_type_by_lname): new function.
      (rlimit_resource_type): use rlimit_type_by_hname.
      (proc_daemon): add fds argument for rb_fork.
    
    * hash.c (rb_env_clear): renamed from env_clear and externed.
    
    [ruby-dev:34086]
    


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/hash.c?r1=16183&r2=16182&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/test/ruby/test_process.rb?r1=16183&r2=16182&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=16183&r2=16182&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/io.c?r1=16183&r2=16182&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/process.c?r1=16183&r2=16182&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/include/ruby/intern.h?r1=16183&r2=16182&diff_format=u