diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2009-03-30 17:31:46 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2009-03-30 17:31:46 +0000 |
| commit | 821a687bb3bfa18eabfc9e717c5c9f480fd9647e (patch) | |
| tree | a6e57b0336a8e766192d6b7b6f59bd62093e8234 /libstdc++-v3/doc/html/manual/bitmap_allocator.html | |
| parent | e0b05a75af586156d675d122abddbe0d527b0c16 (diff) | |
svn merge -r144476:145289 svn+ssh://gcc.gnu.org/svn/gcc/trunkc-4_5-branch
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/c-4_5-branch@145306 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/doc/html/manual/bitmap_allocator.html')
| -rw-r--r-- | libstdc++-v3/doc/html/manual/bitmap_allocator.html | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/doc/html/manual/bitmap_allocator.html b/libstdc++-v3/doc/html/manual/bitmap_allocator.html index 7288f8a4335..6c4d12575b1 100644 --- a/libstdc++-v3/doc/html/manual/bitmap_allocator.html +++ b/libstdc++-v3/doc/html/manual/bitmap_allocator.html @@ -1,6 +1,6 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>bitmap_allocator</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /><meta name="keywords" content=" ISO C++ , allocator " /><meta name="keywords" content=" ISO C++ , library " /><link rel="start" href="../spine.html" title="The GNU C++ Library Documentation" /><link rel="up" href="bk01pt12ch32.html" title="Chapter 32. Allocators" /><link rel="prev" href="bk01pt12ch32.html" title="Chapter 32. Allocators" /><link rel="next" href="bk01pt12ch33.html" title="Chapter 33. Containers" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">bitmap_allocator</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="bk01pt12ch32.html">Prev</a> </td><th width="60%" align="center">Chapter 32. Allocators</th><td width="20%" align="right"> <a accesskey="n" href="bk01pt12ch33.html">Next</a></td></tr></table><hr /></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.ext.allocator.bitmap"></a>bitmap_allocator</h2></div></div></div><p> +<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>bitmap_allocator</title><meta name="generator" content="DocBook XSL Stylesheets V1.74.0" /><meta name="keywords" content=" ISO C++ , allocator " /><meta name="keywords" content=" ISO C++ , library " /><link rel="home" href="../spine.html" title="The GNU C++ Library Documentation" /><link rel="up" href="bk01pt12ch32.html" title="Chapter 32. Allocators" /><link rel="prev" href="bk01pt12ch32.html" title="Chapter 32. Allocators" /><link rel="next" href="bk01pt12ch33.html" title="Chapter 33. Containers" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">bitmap_allocator</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="bk01pt12ch32.html">Prev</a> </td><th width="60%" align="center">Chapter 32. Allocators</th><td width="20%" align="right"> <a accesskey="n" href="bk01pt12ch33.html">Next</a></td></tr></table><hr /></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.ext.allocator.bitmap"></a>bitmap_allocator</h2></div></div></div><p> </p><div class="sect2" lang="en" xml:lang="en"><div class="titlepage"><div><div><h3 class="title"><a id="allocator.bitmap.design"></a>Design</h3></div></div></div><p> As this name suggests, this allocator uses a bit-map to keep track of the used and unused memory locations for it's book-keeping @@ -103,7 +103,7 @@ else return false.</p></li></ol></div><p> </p><p> Consider a block of size 64 ints. In memory, it would look like this: (assume a 32-bit system where, size_t is a 32-bit entity). - </p><div class="table"><a id="id403407"></a><p class="title"><b>Table 32.1. Bitmap Allocator Memory Map</b></p><div class="table-contents"><table summary="Bitmap Allocator Memory Map" border="1"><colgroup><col align="left" /><col align="left" /><col align="left" /><col align="left" /><col align="left" /></colgroup><tbody><tr><td align="left">268</td><td align="left">0</td><td align="left">4294967295</td><td align="left">4294967295</td><td align="left">Data -> Space for 64 ints</td></tr></tbody></table></div></div><br class="table-break" /><p> + </p><div class="table"><a id="id461252"></a><p class="title"><b>Table 32.1. Bitmap Allocator Memory Map</b></p><div class="table-contents"><table summary="Bitmap Allocator Memory Map" border="1"><colgroup><col align="left" /><col align="left" /><col align="left" /><col align="left" /><col align="left" /></colgroup><tbody><tr><td align="left">268</td><td align="left">0</td><td align="left">4294967295</td><td align="left">4294967295</td><td align="left">Data -> Space for 64 ints</td></tr></tbody></table></div></div><br class="table-break" /><p> The first Column(268) represents the size of the Block in bytes as seen by the Bitmap Allocator. Internally, a global free list is used to keep track of the free blocks used and given back by the |