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Article #100

Re: Bug in file read/write with forked file-descriptors

#100
From: Chris Torek
Date: Sat, 23 Sep 1989 19:52
27 lines
1252 bytes
In article <19757@mimsy.UUCP> I wrote:
>This bug was fixed quite some time ago (perhaps in 4.3-tahoe, perhaps a
>bit afterward).  Here is the fix.  Your lines numbers may not match.

Oops, you have to change sys_generic.c as well:

*** /tmp/,RCSt1006180	Sat Sep 23 15:49:38 1989
--- /tmp/,RCSt2006180	Sat Sep 23 15:49:41 1989
***************
*** 136,140 ****
  	}
  	count = uio->uio_resid;
- 	uio->uio_offset = fp->f_offset;
  	if (setjmp(&u.u_qsave)) {
  		if (uio->uio_resid == count) {
--- 137,140 ----
***************
*** 147,151 ****
  		u.u_error = (*fp->f_ops->fo_rw)(fp, rw, uio);
  	u.u_r.r_val1 = count - uio->uio_resid;
- 	fp->f_offset += u.u_r.r_val1;
  }
  
--- 147,150 ----
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris
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Message-ID: <19763@mimsy.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ginosko!aplcen!haven!mimsy!chris
References: <1989Sep22.160808.1407@light.uucp> <19757@mimsy.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ginosko!aplcen!haven!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.bugs.4bsd
Subject: Re: Bug in file read/write with forked file-descriptors
Message-ID: <19763@mimsy.UUCP>
Date: 23 Sep 89 19:52:30 GMT
References: <1989Sep22.160808.1407@light.uucp> <19757@mimsy.UUCP>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 27