project-base/server-skynet-source-3rd-jemalloc
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Modify extent hook functions to take an (extent_t *) argument.

Browse Source 
This facilitates the application accessing its own extent allocator
metadata during hook invocations.

This resolves #259.
This commit is contained in:
Jason Evans
2016-06-03 12:05:53 -07:00
parent 6f29a83924
commit f8f0542194
10 changed files with 312 additions and 315 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
doc/jemalloc.xml.in
View File

@@ -1551,7 +1551,7 @@ malloc_conf = "xmalloc:true";]]></programlisting>
<varlistentry id="arena.i.extent_hooks">
<term>
<mallctl>arena.&lt;i&gt;.extent_hooks</mallctl>
(<type>extent_hooks_t</type>)
(<type>extent_hooks_t *</type>)
<literal>rw</literal>
</term>
<listitem><para>Get or set the extent management hook functions for
@@ -1567,7 +1567,8 @@ malloc_conf = "xmalloc:true";]]></programlisting>
allocation.</para>
<programlisting language="C"><![CDATA[
typedef struct {
typedef extent_hooks_s extent_hooks_t;
struct extent_hooks_s {
extent_alloc_t *alloc;
extent_dalloc_t *dalloc;
extent_commit_t *commit;
@@ -1575,7 +1576,7 @@ typedef struct {
extent_purge_t *purge;
extent_split_t *split;
extent_merge_t *merge;
} extent_hooks_t;]]></programlisting>
};]]></programlisting>
<para>The <type>extent_hooks_t</type> structure comprises function
pointers which are described individually below. jemalloc uses these
functions to manage extent lifetime, which starts off with allocation of
@@ -1592,6 +1593,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef void *<function>(extent_alloc_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>new_addr</parameter></paramdef>
<paramdef>size_t <parameter>size</parameter></paramdef>
<paramdef>size_t <parameter>alignment</parameter></paramdef>
@@ -1627,6 +1629,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef bool <function>(extent_dalloc_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>addr</parameter></paramdef>
<paramdef>size_t <parameter>size</parameter></paramdef>
<paramdef>bool <parameter>committed</parameter></paramdef>
@@ -1646,6 +1649,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef bool <function>(extent_commit_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>addr</parameter></paramdef>
<paramdef>size_t <parameter>size</parameter></paramdef>
<paramdef>size_t <parameter>offset</parameter></paramdef>
@@ -1667,6 +1671,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef bool <function>(extent_decommit_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>addr</parameter></paramdef>
<paramdef>size_t <parameter>size</parameter></paramdef>
<paramdef>size_t <parameter>offset</parameter></paramdef>
@@ -1688,6 +1693,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef bool <function>(extent_purge_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>addr</parameter></paramdef>
<paramdef>size_t<parameter>size</parameter></paramdef>
<paramdef>size_t <parameter>offset</parameter></paramdef>
@@ -1707,6 +1713,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef bool <function>(extent_split_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>addr</parameter></paramdef>
<paramdef>size_t <parameter>size</parameter></paramdef>
<paramdef>size_t <parameter>size_a</parameter></paramdef>
@@ -1728,6 +1735,7 @@ typedef struct {
<funcsynopsis><funcprototype>
<funcdef>typedef bool <function>(extent_merge_t)</function></funcdef>
<paramdef>extent_hooks_t *<parameter>extent_hooks</parameter></paramdef>
<paramdef>void *<parameter>addr_a</parameter></paramdef>
<paramdef>size_t <parameter>size_a</parameter></paramdef>
<paramdef>void *<parameter>addr_b</parameter></paramdef>