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varnishcache
varnish-cache
Commits
401ddc4e
Commit
401ddc4e
authored
Nov 20, 2011
by
Poul-Henning Kamp
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Make the VSM layout more hexdump friendly
parent
e4d1d360
Changes
2
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Showing
2 changed files
with
11 additions
and
11 deletions
+11
-11
common_vsm.c
bin/varnishd/common/common_vsm.c
+7
-7
vsm_int.h
include/vapi/vsm_int.h
+4
-4
No files found.
bin/varnishd/common/common_vsm.c
View file @
401ddc4e
...
...
@@ -137,7 +137,7 @@ VSM_common_new(void *p, ssize_t l)
sc
->
head
=
(
void
*
)
sc
->
b
;
/* This should not be necessary, but just in case...*/
memset
(
sc
->
head
,
0
,
sizeof
*
sc
->
head
);
sc
->
head
->
magic
=
VSM_HEAD_MAGIC
;
memcpy
(
sc
->
head
->
marker
,
VSM_HEAD_MARKER
,
sizeof
sc
->
head
->
marker
)
;
sc
->
head
->
hdrsize
=
sizeof
*
sc
->
head
;
sc
->
head
->
shm_size
=
l
;
sc
->
head
->
alloc_seq
=
random
()
|
1
;
...
...
@@ -145,8 +145,8 @@ VSM_common_new(void *p, ssize_t l)
ALLOC_OBJ
(
vr
,
VSM_RANGE_MAGIC
);
AN
(
vr
);
vr
->
off
=
PRNDUP
(
sizeof
(
*
sc
->
head
)
);
vr
->
len
=
l
-
vr
->
off
;
vr
->
off
=
RUP2
(
sizeof
(
*
sc
->
head
),
16
);
vr
->
len
=
RDN2
(
l
-
vr
->
off
,
16
)
;
VTAILQ_INSERT_TAIL
(
&
sc
->
r_free
,
vr
,
list
);
return
(
sc
);
}
...
...
@@ -182,9 +182,8 @@ VSM_common_alloc(struct vsm_sc *sc, ssize_t size,
vsm_common_insert_free
(
sc
,
vr
);
}
size
=
PRNDUP
(
size
);
l1
=
size
+
sizeof
(
struct
VSM_chunk
);
l2
=
size
+
2
*
sizeof
(
struct
VSM_chunk
);
l1
=
RUP2
(
size
+
sizeof
(
struct
VSM_chunk
),
16
);
l2
=
RUP2
(
size
+
2
*
sizeof
(
struct
VSM_chunk
),
16
);
/* Find space in free-list */
VTAILQ_FOREACH_SAFE
(
vr
,
&
sc
->
r_free
,
list
,
vr2
)
{
...
...
@@ -227,7 +226,8 @@ VSM_common_alloc(struct vsm_sc *sc, ssize_t size,
vr
->
chunk
=
(
void
*
)(
sc
->
b
+
vr
->
off
);
vr
->
ptr
=
(
vr
->
chunk
+
1
);
vr
->
chunk
->
magic
=
VSM_CHUNK_MAGIC
;
memcpy
(
vr
->
chunk
->
marker
,
VSM_CHUNK_MARKER
,
sizeof
vr
->
chunk
->
marker
);
vr
->
chunk
->
len
=
vr
->
len
;
strcpy
(
vr
->
chunk
->
class
,
class
);
strcpy
(
vr
->
chunk
->
type
,
type
);
strcpy
(
vr
->
chunk
->
ident
,
ident
);
...
...
include/vapi/vsm_int.h
View file @
401ddc4e
...
...
@@ -98,8 +98,8 @@
#define VSM_FILENAME "_.vsm"
struct
VSM_chunk
{
#define VSM_CHUNK_MA
GIC 0xa15712e5
/* From /dev/random */
unsigned
magic
;
#define VSM_CHUNK_MA
RKER "VSMCHUNK"
char
marker
[
8
]
;
ssize_t
len
;
/* Incl VSM_chunk */
ssize_t
next
;
/* Offset in shmem */
char
class
[
8
];
...
...
@@ -108,8 +108,8 @@ struct VSM_chunk {
};
struct
VSM_head
{
#define VSM_HEAD_MA
GIC 0xe75f7e91
/* From /dev/random */
unsigned
magic
;
#define VSM_HEAD_MA
RKER "VSMHEAD0"
/* Incr. as version# *
char marker[8]
;
ssize_t hdrsize;
ssize_t shm_size;
ssize_t first; /* Offset, first chunk */
...
...
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