From: Koji Arai <JCA02266@...>
Date: 2000-06-17T04:55:52+09:00
Subject: [ruby-list:23299] Re: description on fork and Process.fork

新井です。

>>> From: Koji Arai <JCA02266@nifty.ne.jp>
>>> Date: 17 Jun 2000 04:26:00 +0900
>>> Subject: [ruby-list:23298] Re: description on fork and Process.fork

> 1.5 へのパッチです。
> 
> Fri Jun 16 18:41:58 2000  Koji Arai  <JCA02266@nifty.ne.jp>
> 
> 	* process.c (proc_setsid): BSD-style setpgrp() don't return 
> 	  process group ID, but 0 or -1.

あれっrubyのコードになってませんでした。パッチ出し直します。
(devに移った方がよかったようですね)

Index: process.c
===================================================================
RCS file: /home/cvs/ruby/process.c,v
retrieving revision 1.15
diff -u -p -u -r1.15 process.c
--- process.c	2000/06/13 09:42:40	1.15
+++ process.c	2000/06/16 19:49:01
@@ -834,21 +834,26 @@ proc_setsid()
     if (pid < 0) rb_sys_fail(0);
     return INT2FIX(pid);
 #elif defined(HAVE_SETPGRP) && defined(TIOCNOTTY)
-  pid_t sid;
+  pid_t pid;
+  int ret;
 
+  rb_secure(2);
+  pid = getpid();
 #if defined(SETPGRP_VOID)
-  sid = setpgrp();
+  ret = setpgrp();
+  /* If `pid_t setpgrp(void)' is equivalent to setsid(),
+     `ret' will be the same value as `pid', and following open() will fail.
+     In Linux, `int setpgrp(void)' is equivalent to setpgid(0, 0). */
 #else
-  sid = setpgrp(0, getpid());
+  ret = setpgrp(0, pid);
 #endif
-  if (sid == -1) return -1;
+  if (ret == -1) rb_sys_fail(0);
 
   if ((fd = open("/dev/tty", O_RDWR)) >= 0) {
     ioctl(fd, TIOCNOTTY, NULL);
     close(fd);
   }
-  return sid;
-}
+  return INT2FIX(pid);
 #else
     rb_notimplement();
 #endif

--
新井康司 (Koji Arai)