The following reply was made to PR os-solaris/3467; it has been noted by GNATS.
From: "Christopher W. Curtis" <[EMAIL PROTECTED]>
To: Marc Slemko <[EMAIL PROTECTED]>
Cc: Apache bugs database <[EMAIL PROTECTED]>
Subject: Re: os-solaris/3467: Broken client connections not detected
Date: Wed, 02 Dec 1998 11:34:37 -0500
Marc Slemko wrote:
>
> On Tue, 1 Dec 1998, Christopher W. Curtis wrote:
>
> > be it. PHP does not patch anything in Apache, and I am 99.997% sure
> > that PHP is using the Apache-style read/write calls (PHP implements
>
> Yea, but it can do it wrong.
Ahh. Hmm.
> If it is inside an ap_soft_timeout then php needs to be checking
> r->connection->aborted and the return value from the write functions.
>
> There are many many modules that do handle this properly.
Okay ... here's a message I composed yesterday:
---
I purposefully broke a connection and truss'd it. The first write after
the connection was broken gives no error. The second write gives:
write(6, " < f o n t c o l o r =".., 198) Err#32 EPIPE
Received signal #13, SIGPIPE [ignored]
alarm(0) = 0
sigaction(SIGALRM, 0xEFFFE780, 0xEFFFE830) = 0
sigprocmask(SIG_BLOCK, 0xEFFFE820, 0xEFFFE810) = 0
alarm(10) = 0
sigsuspend(0xEFFFE800) (sleeping...)
... and then it continues to try to write as the page continues to spit
out data. The server-status handler shows two active processes writing,
where there should only be one. Contrary to what I said before, there
are no open ports associated with the child that ignores SIGPIPE and
continues to run. Another truss gives:
read(7, "05 C h r i s\t 9 1 2 5 6".., 55) = 55
read(7, "01\0\0\n", 4) = 4
read(7, "FE", 1) = 1
alarm(0) = 0
sigaction(SIGALRM, 0xEFFFE780, 0xEFFFE830) = 0
sigprocmask(SIG_BLOCK, 0xEFFFE820, 0xEFFFE810) = 0
alarm(10) = 0
sigsuspend(0xEFFFE800) (sleeping...)
That first line is data that *should* be written to the browser. It
looks like Apache has given up trying to write anything entirely. Maybe
this is a better indication of what is going on. Maybe the signal
handler sets some flag that isn't fully qualified? Just guessing...
Thanks again,
Christopher
--
Oh My God! They Killed init! You Bastards!!
