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Re: [bug-inetutils] already connected when closed
From: |
Karl Berry |
Subject: |
Re: [bug-inetutils] already connected when closed |
Date: |
Thu, 5 Jul 2007 13:31:00 -0500 |
Been trying to reproduce this, but I cannot, admitably I'm using CVS
I checked out inetutils from CVS.
The sigpipe still happens for me on my machine after letting the
connection silently time out -- not 100% of the time, but >90%. I'll
append the backtrace, not that it's especially illuminating. The
sigpipe happens in the `fflush (cout);' call in the `command' function.
(BTW 1, I don't see a bootstrap script, just bootstrap.conf, but I
copied bootstrap from coreutils and that seemed to get things going.
BTW 2, shouldn't there be Copyright 2007 Free Software Foundation (or
whatever) added to the copyright notices?)
I tried checking if fstat succeeds (all I could think of), but
apparently it does, even though the stream is obviously closed. Sigh.
Is there a better way to check? Or maybe the thing to do is ignore
SIGPIPE for this command? Yikes.
I tried on another host with the same libc and kernel and it worked :(.
Guess it's something about my terribly (satellite) connection here. I
could offer to give you access but I fear it will be unusably slow
for debugging coming in from outside.
Here is the bit of code I tried with in setpeer most recently:
struct stat stbuf;
if (connected && (fstat (fileno (cout), &stbuf) < 0
|| command ("NOOP") != COMPLETE)) {
disconnect (0, 0);
} else if (connected) {
printf ("Already connected to %s, use close first.\n", hostname);
code = -1;
return;
}
Thanks,
k
#0 0xb7f6f098 in write () from /lib/libc.so.6
#1 0xb7fdcff4 in ?? () from /lib/libc.so.6
#2 0xb7f133f2 in _IO_new_file_write () from /lib/libc.so.6
#3 0xb7f11e2b in _IO_new_do_write () from /lib/libc.so.6
#4 0xb7f12ab2 in _IO_new_file_sync () from /lib/libc.so.6
#5 0xb7f07f53 in fflush () from /lib/libc.so.6
#6 0x0804f78b in command (fmt=0x805735a "NOOP") at ftp.c:387
#7 0x0804a09a in setpeer (argc=2, argv=0x805de60) at cmds.c:172
#8 0x08052fef in cmdscanner (top=1) at main.c:375
#9 0x08052d73 in main (argc=1, argv=0xbfffe478) at main.c:232
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/01
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/01
- Re: [bug-inetutils] already connected when closed,
Karl Berry <=
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/09
- Re: [bug-inetutils] already connected when closed, Karl Berry, 2007/07/10
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/11
- Re: [bug-inetutils] already connected when closed, Karl Berry, 2007/07/11
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/13
- Re: [bug-inetutils] already connected when closed, Karl Berry, 2007/07/13
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/14
- Re: [bug-inetutils] already connected when closed, Karl Berry, 2007/07/15
- Re: [bug-inetutils] already connected when closed, Alfred M. Szmidt, 2007/07/15