From: matz@... (Yukihiro Matsumoto)
Date: 2003-08-03T02:59:24+09:00
Subject: Re: 1.8.0-previewX  rb_sys_fail() on socket instead of an Exception.

Hi,

In message "Re: 1.8.0-previewX  rb_sys_fail() on socket instead of an Exception."
    on 03/08/03, ts <decoux@moulon.inra.fr> writes:

| Well, server.rb is
|
|    loop {
|      begin
|        line = socket.gets
|        puts line
|      rescue
|      end
|    }
|
| When the client die : the first #gets return EOF, ruby call rb_sys_fail()
| but the error is discarded because there is a rescue. 
|
| When ruby call #gets for the second time, it return EOF and errno is not
| set but ferror() give an error. 

Aha, I understand.  If I move clearerr() before rb_sys_fail(), will it
solve the problem?

							matz.
--- io.c	1 Aug 2003 07:23:00 -0000	1.227
+++ io.c	2 Aug 2003 17:59:02 -0000
@@ -910,5 +910,5 @@ appendline(fptr, delim, strp)
 	    if (ferror(f)) {
+		clearerr(f);
 		if (!rb_io_wait_readable(fileno(f)))
 		    rb_sys_fail(fptr->path);
-		clearerr(f);
 		continue;