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Kirill Smelkov
mariadb
Commits
9cb670df
Commit
9cb670df
authored
Nov 21, 2001
by
monty@bitch.mysql.fi
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Generate core file on Solaris.
parent
8cd4c235
Changes
4
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4 changed files
with
24 additions
and
22 deletions
+24
-22
BitKeeper/etc/logging_ok
BitKeeper/etc/logging_ok
+1
-0
Docs/manual.texi
Docs/manual.texi
+2
-6
sql/mysqld.cc
sql/mysqld.cc
+19
-16
sql/stacktrace.c
sql/stacktrace.c
+2
-0
No files found.
BitKeeper/etc/logging_ok
View file @
9cb670df
...
...
@@ -7,3 +7,4 @@ sasha@mysql.sashanet.com
heikki@donna.mysql.fi
miguel@light.local
monty@donna.mysql.fi
monty@bitch.mysql.fi
Docs/manual.texi
View file @
9cb670df
...
...
@@ -9880,12 +9880,6 @@ that you also probably need to raise the @code{core file size} by adding
@code{ulimit -c 1000000} to @code{safe_mysqld} or starting @code{safe_mysqld}
with @code{--core-file-sizes=1000000}. @xref{safe_mysqld, , @code{safe_mysqld}}.
To get a core dump on Linux if @code{mysqld} dies with a SIGSEGV signal, you can
start @code{mysqld} with the @code{--core-file} option. Note that you also probably
need to raise the @code{core file size} by adding @code{ulimit -c 1000000} to
@code{safe_mysqld} or starting @code{safe_mysqld} with
@code{--core-file-sizes=1000000}. @xref{safe_mysqld, , @code{safe_mysqld}}.
If you are linking your own MySQL client and get the error:
@example
...
...
@@ -46844,6 +46838,8 @@ not yet 100% confident in this code.
@appendixsubsec Changes in release 3.23.45
@itemize @bullet
@item
@code{--core-file} now works on Solaris.
@item
Fixed bug with BDB tables and keys on @code{BLOB}'s.
@item
Fixed bug in @code{MERGE} tables on OS with 32 bit file pointers.
sql/mysqld.cc
View file @
9cb670df
...
...
@@ -1119,6 +1119,19 @@ static void start_signal_handler(void)
}
#elif defined(__EMX__)
static
void
init_signals
(
void
)
{
signal
(
SIGQUIT
,
sig_kill
);
signal
(
SIGKILL
,
sig_kill
);
signal
(
SIGTERM
,
sig_kill
);
signal
(
SIGINT
,
sig_kill
);
signal
(
SIGHUP
,
sig_reload
);
// Flush everything
signal
(
SIGALRM
,
SIG_IGN
);
signal
(
SIGBREAK
,
SIG_IGN
);
signal_thread
=
pthread_self
();
}
static
void
sig_reload
(
int
signo
)
{
reload_acl_and_cache
((
THD
*
)
0
,
REFRESH_LOG
,
(
TABLE_LIST
*
)
0
);
// Flush everything
...
...
@@ -1135,22 +1148,10 @@ static void sig_kill(int signo)
signal
(
signo
,
SIG_ACK
);
}
static
void
init_signals
(
void
)
{
signal
(
SIGQUIT
,
sig_kill
);
signal
(
SIGKILL
,
sig_kill
);
signal
(
SIGTERM
,
sig_kill
);
signal
(
SIGINT
,
sig_kill
);
signal
(
SIGHUP
,
sig_reload
);
// Flush everything
signal
(
SIGALRM
,
SIG_IGN
);
signal
(
SIGBREAK
,
SIG_IGN
);
signal_thread
=
pthread_self
();
}
static
void
start_signal_handler
(
void
)
{
}
#else
/* if ! __WIN__ && ! __EMX__ */
#ifdef HAVE_LINUXTHREADS
...
...
@@ -1160,10 +1161,12 @@ static void start_signal_handler(void)
static
sig_handler
handle_segfault
(
int
sig
)
{
THD
*
thd
=
current_thd
;
// strictly speaking, one needs a mutex here
// but since we have got SIGSEGV already, things are a mess
// so not having the mutex is not as bad as possibly using a buggy
// mutex - so we keep things simple
/*
Strictly speaking, we should need a mutex here
but since we have got SIGSEGV already, things are a mess
so not having the mutex is not as bad as possibly using a buggy
mutex - so we keep things simple.
*/
if
(
segfaulted
)
{
fprintf
(
stderr
,
"Fatal signal %d while backtracing
\n
"
,
sig
);
...
...
sql/stacktrace.c
View file @
9cb670df
...
...
@@ -218,5 +218,7 @@ void write_core(int sig)
{
signal
(
sig
,
SIG_DFL
);
pthread_kill
(
pthread_self
(),
sig
);
/* On Solaris, the above kill is not enough */
sigsend
(
P_PID
,
P_MYID
,
sig
);
}
#endif
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