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author | jasone <jasone@FreeBSD.org> | 2006-01-12 09:29:38 +0000 |
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committer | jasone <jasone@FreeBSD.org> | 2006-01-12 09:29:38 +0000 |
commit | 958adbcf1809d37ffc55a46ff6ff83e321278156 (patch) | |
tree | dc1b6b34ccd9f732a2492983ab62fa818b5dd4bc /lib/libc/gen/valloc.3 | |
parent | 6abe8a1c871e4dc46d382fe92b11c4608ea93fb8 (diff) | |
download | FreeBSD-src-958adbcf1809d37ffc55a46ff6ff83e321278156.zip FreeBSD-src-958adbcf1809d37ffc55a46ff6ff83e321278156.tar.gz |
Use posix_memalign() in valloc() rather than making assumptions about
the alignment of malloc()ed memory.
Approved by: markm (mentor)
Diffstat (limited to 'lib/libc/gen/valloc.3')
-rw-r--r-- | lib/libc/gen/valloc.3 | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/libc/gen/valloc.3 b/lib/libc/gen/valloc.3 index fceec47..d9d60c1 100644 --- a/lib/libc/gen/valloc.3 +++ b/lib/libc/gen/valloc.3 @@ -32,7 +32,7 @@ .\" @(#)valloc.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd June 4, 1993 +.Dd September 13, 2005 .Dt VALLOC 3 .Os .Sh NAME @@ -48,9 +48,9 @@ .Bf -symbolic The .Fn valloc -function is obsoleted by the current version of -.Xr malloc 3 , -which aligns page-sized and larger allocations. +function is obsoleted by +.Xr posix_memalign 3 , +which can be used to request page-aligned allocations. .Ef .Pp The @@ -59,23 +59,23 @@ function allocates .Fa size bytes aligned on a page boundary. -It is implemented by calling -.Xr malloc 3 -with a slightly larger request, saving the true beginning of the block -allocated, and returning a properly aligned pointer. .Sh RETURN VALUES The .Fn valloc function returns a pointer to the allocated space if successful; otherwise -a null pointer is returned +a null pointer is returned. +.Sh SEE ALSO +.Xr posix_memalign 3 .Sh HISTORY The .Fn valloc function appeared in .Bx 3.0 . -.Sh BUGS -A -.Fn vfree -function -has not been implemented. +.Pp +The +.Fn valloc +function correctly allocated memory that could be deallocated via +.Fn free +in +.Bx 7.0 . |