Date: Wed, 7 May 2014 08:38:02 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r265534 - in head: lib/libc/sys sys/vm Message-ID: <201405070838.s478c2sI049294@svn.freebsd.org>
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Author: pho Date: Wed May 7 08:38:02 2014 New Revision: 265534 URL: http://svnweb.freebsd.org/changeset/base/265534 Log: 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. Discussed with: attilio, Bruce Evans Reviewed by: alc, Garrett Cooper Reported by: ATF MFC after: 2 weeks Sponsored by: EMC / Isilon storage division Modified: head/lib/libc/sys/msync.2 head/sys/vm/vm_mmap.c Modified: head/lib/libc/sys/msync.2 ============================================================================== --- head/lib/libc/sys/msync.2 Wed May 7 08:06:54 2014 (r265533) +++ head/lib/libc/sys/msync.2 Wed May 7 08:38:02 2014 (r265534) @@ -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: head/sys/vm/vm_mmap.c ============================================================================== --- head/sys/vm/vm_mmap.c Wed May 7 08:06:54 2014 (r265533) +++ head/sys/vm/vm_mmap.c Wed May 7 08:38:02 2014 (r265534) @@ -556,7 +556,7 @@ sys_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:
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