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ruanhaishen
redis
Commits
7f957c92
Commit
7f957c92
authored
Jun 04, 2009
by
antirez
Browse files
initial backtrace dumping on sigsegv/sigbus + debug command
parent
f7acd603
Changes
2
Show whitespace changes
Inline
Side-by-side
Makefile
View file @
7f957c92
...
@@ -3,7 +3,7 @@
...
@@ -3,7 +3,7 @@
# This file is released under the BSD license, see the COPYING file
# This file is released under the BSD license, see the COPYING file
DEBUG
?=
-g
DEBUG
?=
-g
CFLAGS
?=
-std
=
c99
-pedantic
-O
2
-Wall
-W
-DSDS_ABORT_ON_OOM
CFLAGS
?=
-std
=
c99
-pedantic
-O
-Wall
-W
-DSDS_ABORT_ON_OOM
CCOPT
=
$(CFLAGS)
CCOPT
=
$(CFLAGS)
OBJ
=
adlist.o ae.o anet.o dict.o redis.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o
OBJ
=
adlist.o ae.o anet.o dict.o redis.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o
...
...
redis.c
View file @
7f957c92
...
@@ -49,6 +49,7 @@
...
@@ -49,6 +49,7 @@
#include <sys/time.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/resource.h>
#include <limits.h>
#include <limits.h>
#include <execinfo.h>
#include "ae.h"
/* Event driven programming library */
#include "ae.h"
/* Event driven programming library */
#include "sds.h"
/* Dynamic safe strings */
#include "sds.h"
/* Dynamic safe strings */
...
@@ -314,6 +315,7 @@ static time_t getExpire(redisDb *db, robj *key);
...
@@ -314,6 +315,7 @@ static time_t getExpire(redisDb *db, robj *key);
static
int
setExpire
(
redisDb
*
db
,
robj
*
key
,
time_t
when
);
static
int
setExpire
(
redisDb
*
db
,
robj
*
key
,
time_t
when
);
static
void
updateSalvesWaitingBgsave
(
int
bgsaveerr
);
static
void
updateSalvesWaitingBgsave
(
int
bgsaveerr
);
static
void
freeMemoryIfNeeded
(
void
);
static
void
freeMemoryIfNeeded
(
void
);
static
void
onSigsegv
(
int
sig
);
static
void
authCommand
(
redisClient
*
c
);
static
void
authCommand
(
redisClient
*
c
);
static
void
pingCommand
(
redisClient
*
c
);
static
void
pingCommand
(
redisClient
*
c
);
...
@@ -371,6 +373,7 @@ static void expireCommand(redisClient *c);
...
@@ -371,6 +373,7 @@ static void expireCommand(redisClient *c);
static
void
getSetCommand
(
redisClient
*
c
);
static
void
getSetCommand
(
redisClient
*
c
);
static
void
ttlCommand
(
redisClient
*
c
);
static
void
ttlCommand
(
redisClient
*
c
);
static
void
slaveofCommand
(
redisClient
*
c
);
static
void
slaveofCommand
(
redisClient
*
c
);
static
void
debugCommand
(
redisClient
*
c
);
/*================================= Globals ================================= */
/*================================= Globals ================================= */
...
@@ -434,6 +437,7 @@ static struct redisCommand cmdTable[] = {
...
@@ -434,6 +437,7 @@ static struct redisCommand cmdTable[] = {
{
"monitor"
,
monitorCommand
,
1
,
REDIS_CMD_INLINE
},
{
"monitor"
,
monitorCommand
,
1
,
REDIS_CMD_INLINE
},
{
"ttl"
,
ttlCommand
,
2
,
REDIS_CMD_INLINE
},
{
"ttl"
,
ttlCommand
,
2
,
REDIS_CMD_INLINE
},
{
"slaveof"
,
slaveofCommand
,
3
,
REDIS_CMD_INLINE
},
{
"slaveof"
,
slaveofCommand
,
3
,
REDIS_CMD_INLINE
},
{
"debug"
,
debugCommand
,
-
2
,
REDIS_CMD_INLINE
},
{
NULL
,
NULL
,
0
,
0
}
{
NULL
,
NULL
,
0
,
0
}
};
};
...
@@ -890,6 +894,8 @@ static void initServer() {
...
@@ -890,6 +894,8 @@ static void initServer() {
signal
(
SIGHUP
,
SIG_IGN
);
signal
(
SIGHUP
,
SIG_IGN
);
signal
(
SIGPIPE
,
SIG_IGN
);
signal
(
SIGPIPE
,
SIG_IGN
);
signal
(
SIGSEGV
,
onSigsegv
);
signal
(
SIGBUS
,
onSigsegv
);
server
.
clients
=
listCreate
();
server
.
clients
=
listCreate
();
server
.
slaves
=
listCreate
();
server
.
slaves
=
listCreate
();
...
@@ -4048,6 +4054,28 @@ static void freeMemoryIfNeeded(void) {
...
@@ -4048,6 +4054,28 @@ static void freeMemoryIfNeeded(void) {
}
}
}
}
/* ================================= Debugging ============================== */
static
void
debugCommand
(
redisClient
*
c
)
{
if
(
!
strcasecmp
(
c
->
argv
[
1
]
->
ptr
,
"segfault"
))
{
*
((
char
*
)
-
1
)
=
'x'
;
}
else
{
addReplySds
(
c
,
sdsnew
(
"-ERR Syntax error, try DEBUG SEGFAULT
\r\n
"
));
}
}
static
void
onSigsegv
(
int
sig
)
{
void
*
trace
[
25
];
int
n
=
backtrace
(
trace
,
25
);
char
**
symbols
=
backtrace_symbols
(
trace
,
n
);
redisLog
(
REDIS_WARNING
,
"Got %s!!! Redis crashed, backtrace:"
,
sig
==
SIGSEGV
?
"SIGSEGV"
:
"SIGBUS"
);
for
(
int
i
=
0
;
i
<
n
;
i
++
)
redisLog
(
REDIS_WARNING
,
symbols
[
i
]);
exit
(
1
);
}
/* =================================== Main! ================================ */
/* =================================== Main! ================================ */
#ifdef __linux__
#ifdef __linux__
...
...
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