Date: Fri, 23 May 2014 05:35:43 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r266574 - in stable/8: lib/libc/sys sys/vm Message-ID: <201405230535.s4N5ZhIO028216@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: pho Date: Fri May 23 05:35:43 2014 New Revision: 266574 URL: http://svnweb.freebsd.org/changeset/base/266574 Log: MFC r265534: msync(2) must return ENOMEM and not EINVAL when the address is outside the allowed range or when one or more pages are not mapped. This according to The Open Group Base Specifications Issue 7. Sponsored by: EMC / Isilon storage division Modified: stable/8/lib/libc/sys/msync.2 stable/8/sys/vm/vm_mmap.c Directory Properties: stable/8/ (props changed) stable/8/lib/ (props changed) stable/8/lib/libc/ (props changed) stable/8/lib/libc/sys/ (props changed) stable/8/sys/ (props changed) stable/8/sys/vm/ (props changed) Modified: stable/8/lib/libc/sys/msync.2 ============================================================================== --- stable/8/lib/libc/sys/msync.2 Fri May 23 05:15:17 2014 (r266573) +++ stable/8/lib/libc/sys/msync.2 Fri May 23 05:35:43 2014 (r266574) @@ -87,11 +87,13 @@ The .Fa addr argument is not a multiple of the hardware page size. -.It Bq Er EINVAL -The +.It Bq Er ENOMEM +The addresses in the range starting at +.Fa addr +and continuing for .Fa len -argument -is too large or negative. +bytes are outside the range allowed for the address space of a +process or specify one or more pages that are not mapped. .It Bq Er EINVAL The .Fa flags @@ -99,7 +101,7 @@ argument was both MS_ASYNC and MS_INVALIDATE. Only one of these flags is allowed. .It Bq Er EIO - An error occurred while writing at least one of the pages in +An error occurred while writing at least one of the pages in the specified region. .El .Sh SEE ALSO Modified: stable/8/sys/vm/vm_mmap.c ============================================================================== --- stable/8/sys/vm/vm_mmap.c Fri May 23 05:15:17 2014 (r266573) +++ stable/8/sys/vm/vm_mmap.c Fri May 23 05:35:43 2014 (r266574) @@ -497,7 +497,7 @@ msync(td, uap) case KERN_SUCCESS: return (0); case KERN_INVALID_ADDRESS: - return (EINVAL); /* Sun returns ENOMEM? */ + return (ENOMEM); case KERN_INVALID_ARGUMENT: return (EBUSY); case KERN_FAILURE:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201405230535.s4N5ZhIO028216>