Date: Sun, 22 Apr 2012 14:58:37 +0200 From: Kurt Jaeger <fbsd-ports@opsec.eu> To: FreeBSD-gnats-submit@FreeBSD.org Subject: docs/167201: manpage pread(2) misses one error case (EBUSY) Message-ID: <E1SLwNB-0009M4-L4@fa8.opsec.eu> Resent-Message-ID: <201204221300.q3MD0Ri4071448@freefall.freebsd.org>
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>Number: 167201 >Category: docs >Synopsis: manpage pread(2) misses one error case (EBUSY) >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: doc-bug >Submitter-Id: current-users >Arrival-Date: Sun Apr 22 13:00:27 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Kurt Jaeger >Release: FreeBSD 8.3-RELEASE amd64 >Organization: - >Environment: System: FreeBSD fa8.opsec.eu 8.3-RELEASE FreeBSD 8.3-RELEASE #0: Mon Apr 9 21:23:18 UTC 2012 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: a call to pread might fail with EBUSY in certain cases, and that error is not in the man page. >How-To-Repeat: ports/devel/strace uses pread and fails because of this >Fix: --- pread.2-orig 2012-04-22 14:52:55.000000000 +0200 +++ pread.2 2012-04-22 14:52:29.000000000 +0200 @@ -164,6 +164,8 @@ points outside the allocated address space. .It Bq Er EIO An I/O error occurred while reading from the file system. +.It Bq Er EBUSY +Failed to read from a file, e.g. /proc/<pid>/regs while <pid> is not stopped .It Bq Er EINTR A read from a slow device (i.e.\& one that might block for an arbitrary amount of time) >Release-Note: >Audit-Trail: >Unformatted:
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