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Commit c0e55b9d authored by sasha@mysql.sashanet.com's avatar sasha@mysql.sashanet.com
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Merge work:/home/bk/mysql-4.0 

into mysql.sashanet.com:/home/sasha/src/bk/mysql-4.0
parents 0674da3b cc95bc57
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Showing with 409 additions and 72 deletions
.bzrignore
View file @ c0e55b9d
......@@ -348,8 +348,10 @@ mysql.kdevprj
mysql.proj
mysqld.S
mysqld.sym
mysys/#mf_iocache.c#
mysys/test_charset
mysys/test_dir
mysys/test_io_cache
mysys/test_thr_alarm
mysys/test_thr_lock
mysys/testhash
......
include/my_sys.h
View file @ c0e55b9d
......@@ -293,6 +293,16 @@ typedef struct st_dynamic_string {
struct st_io_cache;
typedef int (*IO_CACHE_CALLBACK)(struct st_io_cache*);
#ifdef THREAD
#define lock_append_buffer(info) \
pthread_mutex_lock(&(info)->append_buffer_lock)
#define unlock_append_buffer(info) \
pthread_mutex_unlock(&(info)->append_buffer_lock)
#else
#define lock_append_buffer(info)
#define unlock_append_buffer(info)
#endif
typedef struct st_io_cache /* Used when cacheing files */
{
my_off_t pos_in_file,end_of_file;
......@@ -301,13 +311,15 @@ typedef struct st_io_cache /* Used when cacheing files */
that will use a buffer allocated somewhere
else
*/
byte *append_buffer, *append_pos, *append_end;
byte *append_buffer, *append_read_pos, *write_pos, *append_end,
*write_end;
/* for append buffer used in READ_APPEND cache */
#ifdef THREAD
pthread_mutex_t append_buffer_lock;
/* need mutex copying from append buffer to read buffer */
#endif
int (*read_function)(struct st_io_cache *,byte *,uint);
int (*write_function)(struct st_io_cache *,const byte *,uint);
/* callbacks when the actual read I/O happens */
IO_CACHE_CALLBACK pre_read;
IO_CACHE_CALLBACK post_read;
......@@ -342,16 +354,19 @@ typedef int (*qsort2_cmp)(const void *, const void *, const void *);
((info)->rc_pos+=(Count)),0) :\
(*(info)->read_function)((info),Buffer,Count))
#define my_b_write(info,Buffer,Count) \
((info)->write_pos + (Count) <=(info)->write_end ?\
(memcpy((info)->write_pos, (Buffer), (size_t)(Count)),\
((info)->write_pos+=(Count)),0) : \
(*(info)->write_function)((info),(Buffer),(Count)))
#define my_b_get(info) \
((info)->rc_pos != (info)->rc_end ?\
((info)->rc_pos++, (int) (uchar) (info)->rc_pos[-1]) :\
_my_b_get(info))
#define my_b_write(info,Buffer,Count) \
((info)->rc_pos + (Count) <= (info)->rc_end ?\
(memcpy((info)->rc_pos,Buffer,(size_t) (Count)), \
((info)->rc_pos+=(Count)),0) :\
_my_b_write(info,Buffer,Count))
/* my_b_write_byte dosn't have any err-check */
#define my_b_write_byte(info,chr) \
......@@ -564,6 +579,7 @@ extern int _my_b_net_read(IO_CACHE *info,byte *Buffer,uint Count);
extern int _my_b_get(IO_CACHE *info);
extern int _my_b_async_read(IO_CACHE *info,byte *Buffer,uint Count);
extern int _my_b_write(IO_CACHE *info,const byte *Buffer,uint Count);
extern int _my_b_append(IO_CACHE *info,const byte *Buffer,uint Count);
extern int my_block_write(IO_CACHE *info, const byte *Buffer,
uint Count, my_off_t pos);
extern int flush_io_cache(IO_CACHE *info);
......@@ -634,6 +650,7 @@ byte *my_compress_alloc(const byte *packet, ulong *len, ulong *complen);
ulong checksum(const byte *mem, uint count);
uint my_bit_log2(ulong value);
#if defined(_MSC_VER) && !defined(__WIN__)
extern void sleep(int sec);
#endif
......@@ -646,3 +663,11 @@ extern my_bool have_tcpip; /* Is set if tcpip is used */
#endif
#include "raid.h"
#endif /* _my_sys_h */
mysql-test/mysql-test-run.sh
View file @ c0e55b9d
......@@ -164,7 +164,10 @@ while test $# -gt 0; do
--ssl-cert=$BASEDIR/SSL/server-cert.pem \
--ssl-key=$BASEDIR/SSL/server-key.pem" ;;
--no-manager | --skip-manager) USE_MANAGER=0 ;;
--manager) USE_MANAGER=1 ;;
--manager)
USE_MANAGER=1
USE_RUNNING_SERVER=
;;
--skip-innobase)
EXTRA_MASTER_MYSQLD_OPT="$EXTRA_MASTER_MYSQLD_OPT --skip-innobase"
EXTRA_SLAVE_MYSQLD_OPT="$EXTRA_SLAVE_MYSQLD_OPT --skip-innobase" ;;
......@@ -210,6 +213,7 @@ while test $# -gt 0; do
--gdb )
START_WAIT_TIMEOUT=300
STOP_WAIT_TIMEOUT=300
USE_MANAGER=1
if [ x$BINARY_DIST = x1 ] ; then
$ECHO "Note: you will get more meaningful output on a source distribution compiled with debugging option when running tests with --gdb option"
fi
......@@ -255,6 +259,8 @@ done
#--
MYRUN_DIR=$MYSQL_TEST_DIR/var/run
MANAGER_PID_FILE="$MYRUN_DIR/manager.pid"
MASTER_MYDDIR="$MYSQL_TEST_DIR/var/master-data"
MASTER_MYSOCK="$MYSQL_TMP_DIR/master.sock"
MASTER_MYPID="$MYRUN_DIR/mysqld.pid"
......@@ -549,10 +555,20 @@ start_manager()
return
fi
$ECHO "Starting MySQL Manager"
if [ -f "$MANAGER_PID_FILE" ] ; then
kill `cat $MANAGER_PID_FILE`
sleep 1
if [ -f "$MANAGER_PID_FILE" ] ; then
kill -9 `cat $MANAGER_PID_FILE`
sleep 1
fi
fi
rm -f $MANAGER_PID_FILE
MYSQL_MANAGER_PW=`$MYSQL_MANAGER_PWGEN -u $MYSQL_MANAGER_USER \
-o $MYSQL_MANAGER_PW_FILE`
$MYSQL_MANAGER --log=$MYSQL_MANAGER_LOG --port=$MYSQL_MANAGER_PORT \
--password-file=$MYSQL_MANAGER_PW_FILE
--password-file=$MYSQL_MANAGER_PW_FILE --pid-file=$MANAGER_PID_FILE
abort_if_failed "Could not start MySQL manager"
mysqltest_manager_args="--manager-host=localhost \
--manager-user=$MYSQL_MANAGER_USER \
......@@ -561,7 +577,10 @@ start_manager()
--manager-wait-timeout=$START_WAIT_TIMEOUT"
MYSQL_TEST="$MYSQL_TEST $mysqltest_manager_args"
MYSQL_TEST_ARGS="$MYSQL_TEST_ARGS $mysqltest_manager_args"
while [ ! -f $MANAGER_PID_FILE ] ; do
sleep 1
done
echo "Manager started"
}
stop_manager()
......@@ -573,6 +592,8 @@ stop_manager()
-p$MYSQL_MANAGER_PW -P $MYSQL_MANAGER_PORT <<EOF
shutdown
EOF
echo "Manager terminated"
}
manager_launch()
......
mysys/Makefile.am
View file @ c0e55b9d
......@@ -95,6 +95,10 @@ test_vsnprintf: my_vsnprintf.c $(LIBRARIES)
$(CP) $(srcdir)/my_vsnprintf.c test_vsnprintf.c
$(LINK) $(FLAGS) -DMAIN ./test_vsnprintf.c $(LDADD) $(LIBS)
$(RM) -f test_vsnprintf.*
test_io_cache: mf_iocache.c $(LIBRARIES)
$(CP) $(srcdir)/mf_iocache.c test_io_cache.c
$(LINK) $(FLAGS) -DMAIN ./test_io_cache.c $(LDADD) $(LIBS)
$(RM) -f test_io_cache.*
test_dir: test_dir.c $(LIBRARIES)
$(LINK) $(FLAGS) -DMAIN $(srcdir)/test_dir.c $(LDADD) $(LIBS)
......
mysys/mf_iocache.c
View file @ c0e55b9d
......@@ -41,7 +41,12 @@ static void my_aiowait(my_aio_result *result);
#include <assert.h>
#include <errno.h>
#ifdef MAIN
#include <my_dir.h>
#endif
static void init_read_function(IO_CACHE* info, enum cache_type type);
static void init_write_function(IO_CACHE* info, enum cache_type type);
static void init_read_function(IO_CACHE* info, enum cache_type type)
{
......@@ -65,6 +70,18 @@ static void init_read_function(IO_CACHE* info, enum cache_type type)
}
}
static void init_write_function(IO_CACHE* info, enum cache_type type)
{
switch (type)
{
case SEQ_READ_APPEND:
info->write_function = _my_b_append;
break;
default:
info->write_function = _my_b_write;
}
}
/*
** if cachesize == 0 then use default cachesize (from s-file)
** if file == -1 then real_open_cached_file() will be called.
......@@ -87,6 +104,7 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
if (! (cachesize= my_default_record_cache_size))
DBUG_RETURN(1); /* No cache requested */
min_cache=use_async_io ? IO_SIZE*4 : IO_SIZE*2;
info->alloced_buffer = 0;
if (type == READ_CACHE || type == SEQ_READ_APPEND)
{ /* Assume file isn't growing */
if (cache_myflags & MY_DONT_CHECK_FILESIZE)
......@@ -113,7 +131,6 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
}
}
}
info->alloced_buffer = 0;
if ((int) type < (int) READ_NET)
{
uint buffer_block;
......@@ -152,8 +169,9 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
info->rc_request_pos=info->rc_pos=info->buffer;
if (type == SEQ_READ_APPEND)
{
info->append_pos = info->append_buffer;
info->append_end = info->append_buffer + info->buffer_length;
info->append_read_pos = info->write_pos = info->append_buffer;
info->write_end = info->append_end =
info->append_buffer + info->buffer_length;
#ifdef THREAD
pthread_mutex_init(&info->append_buffer_lock,MY_MUTEX_INIT_FAST);
#endif
......@@ -166,7 +184,9 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
}
else /* type == WRITE_CACHE */
{
info->rc_end=info->buffer+info->buffer_length- (seek_offset & (IO_SIZE-1));
info->write_end=
info->buffer+info->buffer_length- (seek_offset & (IO_SIZE-1));
info->write_pos = info->buffer;
}
/* end_of_file may be changed by user later */
info->end_of_file= ((type == READ_NET || type == READ_FIFO ) ? 0
......@@ -174,6 +194,7 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
info->type=type;
info->error=0;
init_read_function(info,type);
init_write_function(info,type);
#ifdef HAVE_AIOWAIT
if (use_async_io && ! my_disable_async_io)
{
......@@ -234,16 +255,22 @@ my_bool reinit_io_cache(IO_CACHE *info, enum cache_type type,
{ /* use current buffer */
if (info->type == WRITE_CACHE && type == READ_CACHE)
{
info->rc_end=info->rc_pos;
info->rc_end=info->write_pos;
info->end_of_file=my_b_tell(info);
}
else if (type == WRITE_CACHE)
{
if (info->type == READ_CACHE)
info->rc_end=info->buffer+info->buffer_length;
{
info->write_end=info->buffer+info->buffer_length;
info->write_pos=info->rc_pos;
}
info->end_of_file = ~(my_off_t) 0;
}
info->rc_pos=info->rc_request_pos+(seek_offset-info->pos_in_file);
if (type == WRITE_CACHE)
info->write_pos=info->rc_request_pos+(seek_offset-info->pos_in_file);
else
info->rc_pos=info->rc_request_pos+(seek_offset-info->pos_in_file);
#ifdef HAVE_AIOWAIT
my_aiowait(&info->aio_result); /* Wait for outstanding req */
#endif
......@@ -277,9 +304,14 @@ my_bool reinit_io_cache(IO_CACHE *info, enum cache_type type,
~(my_off_t) 0);
}
}
if (info->type == SEQ_READ_APPEND)
{
info->append_read_pos = info->write_pos = info->append_buffer;
}
info->type=type;
info->error=0;
init_read_function(info,type);
init_write_function(info,type);
#ifdef HAVE_AIOWAIT
if (type != READ_NET)
{
......@@ -294,7 +326,7 @@ my_bool reinit_io_cache(IO_CACHE *info, enum cache_type type,
info->inited=0;
#endif
DBUG_RETURN(0);
} /* init_io_cache */
} /* reinit_io_cache */
......@@ -377,11 +409,19 @@ int _my_b_read(register IO_CACHE *info, byte *Buffer, uint Count)
return 0;
}
/* Do sequential read from the SEQ_READ_APPEND cache
we do this in three stages:
- first read from info->buffer
- then if there are still data to read, try the file descriptor
- afterwards, if there are still data to read, try append buffer
*/
int _my_b_seq_read(register IO_CACHE *info, byte *Buffer, uint Count)
{
uint length,diff_length,left_length;
uint length,diff_length,left_length,save_count;
my_off_t max_length, pos_in_file;
save_count=Count;
/* first, read the regular buffer */
if ((left_length=(uint) (info->rc_end-info->rc_pos)))
{
dbug_assert(Count >= left_length); /* User is not using my_b_read() */
......@@ -390,30 +430,33 @@ int _my_b_seq_read(register IO_CACHE *info, byte *Buffer, uint Count)
Count-=left_length;
}
/* pos_in_file always point on where info->buffer was read */
pos_in_file=info->pos_in_file+(uint) (info->rc_end - info->buffer);
if ((pos_in_file=info->pos_in_file+(uint) (info->rc_end - info->buffer)) >=
info->end_of_file)
{
info->pos_in_file=pos_in_file;
goto read_append_buffer;
}
/* no need to seek since the read is guaranteed to be sequential */
diff_length=(uint) (pos_in_file & (IO_SIZE-1));
#ifdef THREAD
pthread_mutex_lock(&info->append_buffer_lock);
#endif
#ifdef THREAD
pthread_mutex_unlock(&info->append_buffer_lock);
#endif
/* now the second stage begins - read from file descriptor */
if (Count >= (uint) (IO_SIZE+(IO_SIZE-diff_length)))
{ /* Fill first intern buffer */
uint read_length;
if (info->end_of_file == pos_in_file)
{ /* End of file */
info->error=(int) left_length;
return 1;
goto read_append_buffer;
}
length=(Count & (uint) ~(IO_SIZE-1))-diff_length;
if ((read_length=my_read(info->file,Buffer,(uint) length,info->myflags))
!= (uint) length)
{
info->error= read_length == (uint) -1 ? -1 :
(int) (read_length+left_length);
return 1;
if (read_length != (uint)-1)
{
Count -= read_length;
Buffer += read_length;
}
goto read_append_buffer;
}
Count-=length;
Buffer+=length;
......@@ -422,15 +465,13 @@ int _my_b_seq_read(register IO_CACHE *info, byte *Buffer, uint Count)
diff_length=0;
}
max_length=info->read_length-diff_length;
if (info->type != READ_FIFO &&
(info->end_of_file - pos_in_file) < max_length)
if ((info->end_of_file - pos_in_file) < max_length)
max_length = info->end_of_file - pos_in_file;
if (!max_length)
{
if (Count)
{
info->error= left_length; /* We only got this many char */
return 1;
goto read_append_buffer;
}
length=0; /* Didn't read any chars */
}
......@@ -439,15 +480,36 @@ int _my_b_seq_read(register IO_CACHE *info, byte *Buffer, uint Count)
length == (uint) -1)
{
if (length != (uint) -1)
{
memcpy(Buffer,info->buffer,(size_t) length);
info->error= length == (uint) -1 ? -1 : (int) (length+left_length);
return 1;
Count -= length;
Buffer += length;
}
goto read_append_buffer;
}
info->rc_pos=info->buffer+Count;
info->rc_end=info->buffer+length;
info->pos_in_file=pos_in_file;
memcpy(Buffer,info->buffer,(size_t) Count);
return 0;
read_append_buffer:
lock_append_buffer(info);
if (!Count) return 0;
{
uint copy_len = (uint)(info->append_read_pos -
info->write_pos);
dbug_assert(info->append_read_pos <= info->write_pos);
if (copy_len > Count)
copy_len = Count;
memcpy(Buffer, info->append_read_pos,
copy_len);
info->append_read_pos += copy_len;
Count -= copy_len;
if (Count)
info->error = save_count - Count;
}
unlock_append_buffer(info);
return Count ? 1 : 0;
}
#ifdef HAVE_AIOWAIT
......@@ -641,11 +703,11 @@ int _my_b_write(register IO_CACHE *info, const byte *Buffer, uint Count)
{
uint rest_length,length;
rest_length=(uint) (info->rc_end - info->rc_pos);
memcpy(info->rc_pos,Buffer,(size_t) rest_length);
rest_length=(uint) (info->write_end - info->write_pos);
memcpy(info->write_pos,Buffer,(size_t) rest_length);
Buffer+=rest_length;
Count-=rest_length;
info->rc_pos+=rest_length;
info->write_pos+=rest_length;
if (info->pos_in_file+info->buffer_length > info->end_of_file)
{
my_errno=errno=EFBIG;
......@@ -667,8 +729,33 @@ int _my_b_write(register IO_CACHE *info, const byte *Buffer, uint Count)
Buffer+=length;
info->pos_in_file+=length;
}
memcpy(info->rc_pos,Buffer,(size_t) Count);
info->rc_pos+=Count;
memcpy(info->write_pos,Buffer,(size_t) Count);
info->write_pos+=Count;
return 0;
}
int _my_b_append(register IO_CACHE *info, const byte *Buffer, uint Count)
{
uint rest_length,length;
rest_length=(uint) (info->append_end -
info->write_pos);
memcpy(info->write_pos,Buffer,(size_t) rest_length);
Buffer+=rest_length;
Count-=rest_length;
info->write_pos+=rest_length;
if (flush_io_cache(info))
return 1;
if (Count >= IO_SIZE)
{ /* Fill first intern buffer */
length=Count & (uint) ~(IO_SIZE-1);
if (my_write(info->file,Buffer,(uint) length,info->myflags | MY_NABP))
return info->error= -1;
Count-=length;
Buffer+=length;
}
memcpy(info->write_pos,Buffer,(size_t) Count);
info->write_pos+=Count;
return 0;
}
......@@ -712,8 +799,8 @@ int my_block_write(register IO_CACHE *info, const byte *Buffer, uint Count,
Buffer+=length;
Count-= length;
/* Fix length of buffer if the new data was larger */
if (info->buffer+length > info->rc_pos)
info->rc_pos=info->buffer+length;
if (info->buffer+length > info->write_pos)
info->write_pos=info->buffer+length;
if (!Count)
return (error);
}
......@@ -723,37 +810,60 @@ int my_block_write(register IO_CACHE *info, const byte *Buffer, uint Count,
return error;
}
/* avoid warning about empty if body */
#ifdef THREAD
#define IF_APPEND_CACHE if (append_cache)
#else
#define IF_APPEND_CACHE
#endif
/* Flush write cache */
int flush_io_cache(IO_CACHE *info)
{
uint length;
int append_cache;
DBUG_ENTER("flush_io_cache");
if (info->type == WRITE_CACHE)
append_cache = (info->type == SEQ_READ_APPEND);
if (info->type == WRITE_CACHE || append_cache)
{
if (info->file == -1)
{
if (real_open_cached_file(info))
DBUG_RETURN((info->error= -1));
}
if (info->rc_pos != info->buffer)
IF_APPEND_CACHE
lock_append_buffer(info);
if (info->write_pos != info->buffer)
{
length=(uint) (info->rc_pos - info->buffer);
length=(uint) (info->write_pos - info->buffer);
if (info->seek_not_done)
{ /* File touched, do seek */
if (my_seek(info->file,info->pos_in_file,MY_SEEK_SET,MYF(0)) ==
MY_FILEPOS_ERROR)
{
IF_APPEND_CACHE
unlock_append_buffer(info);
DBUG_RETURN((info->error= -1));
}
info->seek_not_done=0;
}
info->rc_pos=info->buffer;
info->write_pos=info->buffer;
info->pos_in_file+=length;
info->rc_end=(info->buffer+info->buffer_length-
info->write_end=(info->buffer+info->buffer_length-
(info->pos_in_file & (IO_SIZE-1)));
if (append_cache)
{
info->append_read_pos = info->buffer;
info->append_end = info->write_end;
}
if (my_write(info->file,info->buffer,length,info->myflags | MY_NABP))
DBUG_RETURN((info->error= -1));
DBUG_RETURN(0);
info->error= -1;
else
info->error= 0;
IF_APPEND_CACHE
unlock_append_buffer(info);
DBUG_RETURN(info->error);
}
}
#ifdef HAVE_AIOWAIT
......@@ -781,7 +891,94 @@ int end_io_cache(IO_CACHE *info)
error=flush_io_cache(info);
my_free((gptr) info->buffer,MYF(MY_WME));
info->buffer=info->rc_pos=(byte*) 0;
info->alloced_buffer = 0;
}
DBUG_RETURN(error);
} /* end_io_cache */
#ifdef MAIN
void die(const char* fmt, ...)
{
va_list va_args;
va_start(va_args,fmt);
fprintf(stderr,"Error:");
vfprintf(stderr, fmt,va_args);
fprintf(stderr,", errno=%d\n", errno);
exit(1);
}
int open_file(const char* fname, IO_CACHE* info, int cache_size)
{
int fd;
if ((fd=my_open(fname,O_CREAT|O_APPEND|O_RDWR,MYF(MY_WME))) < 0)
die("Could not open %s", fname);
if (init_io_cache(info, fd, cache_size, SEQ_READ_APPEND, 0,0,MYF(MY_WME)))
die("failed in init_io_cache()");
return fd;
}
void close_file(IO_CACHE* info)
{
end_io_cache(info);
my_close(info->file, MYF(MY_WME));
}
int main(int argc, char** argv)
{
IO_CACHE sra_cache; /* SEQ_READ_APPEND */
MY_STAT status;
const char* fname="/tmp/iocache.test";
int cache_size=16384;
char llstr_buf[22];
int max_block,total_bytes=0;
int i,num_loops=100,error=0;
char *p;
char* block, *block_end;
MY_INIT(argv[0]);
max_block = cache_size*3;
if (!(block=(char*)my_malloc(max_block,MYF(MY_WME))))
die("Not enough memory to allocate test block");
block_end = block + max_block;
for (p = block,i=0; p < block_end;i++)
{
*p++ = (char)i;
}
if (my_stat(fname,&status, MYF(0)) &&
my_delete(fname,MYF(MY_WME)))
{
die("Delete of %s failed, aborting", fname);
}
open_file(fname,&sra_cache, cache_size);
for (i = 0; i < num_loops; i++)
{
char buf[4];
int block_size = abs(rand() % max_block);
int4store(buf, block_size);
if (my_b_write(&sra_cache,buf,4) ||
my_b_write(&sra_cache, block, block_size))
die("write failed");
total_bytes += 4+block_size;
}
close_file(&sra_cache);
my_free(block,MYF(MY_WME));
if (!my_stat(fname,&status,MYF(MY_WME)))
die("%s failed to stat, but I had just closed it,\
wonder how that happened");
printf("Final size of %s is %s, wrote %d bytes\n",fname,
llstr(status.st_size,llstr_buf),
total_bytes);
my_delete(fname, MYF(MY_WME));
/* check correctness of tests */
if (total_bytes != status.st_size)
{
fprintf(stderr,"Not the same number of bytes acutally in file as bytes \
supposedly written\n");
error=1;
}
exit(error);
return 0;
}
#endif
sql/mysqld.cc
View file @ c0e55b9d
......@@ -45,6 +45,11 @@
char pstack_file_name[80];
#endif /* __linux__ */
#if defined(HAVE_DEC_3_2_THREADS) || defined(SIGNALS_DONT_BREAK_READ)
#define HAVE_CLOSE_SERVER_SOCK 1
void close_server_sock();
#endif
extern "C" { // Because of SCO 3.2V4.2
#include <errno.h>
#include <sys/stat.h>
......@@ -453,16 +458,7 @@ static void close_connections(void)
sql_print_error("Got error %d from pthread_cond_timedwait",error);
#endif
#if defined(HAVE_DEC_3_2_THREADS) || defined(SIGNALS_DONT_BREAK_READ)
if (ip_sock != INVALID_SOCKET)
{
DBUG_PRINT("error",("closing TCP/IP and socket files"));
VOID(shutdown(ip_sock,2));
VOID(closesocket(ip_sock));
VOID(shutdown(unix_sock,2));
VOID(closesocket(unix_sock));
VOID(unlink(mysql_unix_port));
ip_sock=unix_sock= INVALID_SOCKET;
}
close_server_sock();
#endif
}
(void) pthread_mutex_unlock(&LOCK_thread_count);
......@@ -577,10 +573,37 @@ static void close_connections(void)
DBUG_VOID_RETURN;
}
#ifdef HAVE_CLOSE_SERVER_SOCK
void close_server_sock()
{
DBUG_ENTER("close_server_sock");
if (ip_sock != INVALID_SOCKET)
{
DBUG_PRINT("info",("closing TCP/IP socket"));
VOID(shutdown(ip_sock,2));
VOID(closesocket(ip_sock));
ip_sock=INVALID_SOCKET;
}
if (unix_sock != INVALID_SOCKET)
{
DBUG_PRINT("info",("closing Unix socket"));
VOID(shutdown(unix_sock,2));
VOID(closesocket(unix_sock));
VOID(unlink(mysql_unix_port));
unix_sock=INVALID_SOCKET;
}
DBUG_VOID_RETURN;
}
#endif
void kill_mysql(void)
{
DBUG_ENTER("kill_mysql");
#ifdef SIGNALS_DONT_BREAK_READ
close_server_sock(); /* force accept to wake up */
#endif
#if defined(__WIN__)
{
if (!SetEvent(hEventShutdown))
......@@ -604,6 +627,7 @@ void kill_mysql(void)
#endif
DBUG_PRINT("quit",("After pthread_kill"));
shutdown_in_progress=1; // Safety if kill didn't work
abort_loop=1;
DBUG_VOID_RETURN;
}
......@@ -683,9 +707,11 @@ void unireg_end(int signal_number __attribute__((unused)))
void unireg_abort(int exit_code)
{
DBUG_ENTER("unireg_abort");
if (exit_code)
sql_print_error("Aborting\n");
clean_up(); /* purecov: inspected */
DBUG_PRINT("quit",("done with cleanup in unireg_abort"));
my_thread_end();
exit(exit_code); /* purecov: inspected */
}
......@@ -736,13 +762,15 @@ void clean_up(bool print_message)
if (print_message && errmesg)
sql_print_error(ER(ER_SHUTDOWN_COMPLETE),my_progname);
x_free((gptr) my_errmsg[ERRMAPP]); /* Free messages */
DBUG_PRINT("quit", ("Error messages freed"));
/* Tell main we are ready */
(void) pthread_mutex_lock(&LOCK_thread_count);
DBUG_PRINT("quit", ("got thread count lock"));
ready_to_exit=1;
/* do the broadcast inside the lock to ensure that my_end() is not called */
(void) pthread_cond_broadcast(&COND_thread_count);
(void) pthread_mutex_unlock(&LOCK_thread_count);
DBUG_PRINT("quit", ("done with cleanup"));
} /* clean_up */
......@@ -2023,6 +2051,7 @@ The server will not act as a slave.");
sql_print_error("Before Lock_thread_count");
#endif
(void) pthread_mutex_lock(&LOCK_thread_count);
DBUG_PRINT("quit", ("Got thread_count mutex"));
select_thread_in_use=0; // For close_connections
(void) pthread_cond_broadcast(&COND_thread_count);
(void) pthread_mutex_unlock(&LOCK_thread_count);
......@@ -2054,10 +2083,14 @@ The server will not act as a slave.");
#endif /* HAVE_OPENSSL */
/* Wait until cleanup is done */
(void) pthread_mutex_lock(&LOCK_thread_count);
DBUG_PRINT("quit", ("Got thread_count mutex for clean up wait"));
while (!ready_to_exit)
{
DBUG_PRINT("quit", ("not yet ready to exit"));
pthread_cond_wait(&COND_thread_count,&LOCK_thread_count);
}
DBUG_PRINT("quit", ("ready to exit"));
(void) pthread_mutex_unlock(&LOCK_thread_count);
my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
exit(0);
......@@ -2257,6 +2290,20 @@ static void create_new_thread(THD *thd)
DBUG_VOID_RETURN;
}
#ifdef SIGNALS_DONT_BREAK_READ
inline void kill_broken_server()
{
/* hack to get around signals ignored in syscalls for problem OS's */
if (unix_sock == INVALID_SOCKET || ip_sock ==INVALID_SOCKET)
{
select_thread_in_use = 0;
kill_server((void*)MYSQL_KILL_SIGNAL); /* never returns */
}
}
#define MAYBE_BROKEN_SYSCALL kill_broken_server();
#else
#define MAYBE_BROKEN_SYSCALL
#endif
/* Handle new connections and spawn new process to handle them */
......@@ -2292,6 +2339,7 @@ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
#endif
DBUG_PRINT("general",("Waiting for connections."));
MAYBE_BROKEN_SYSCALL;
while (!abort_loop)
{
readFDs=clientFDs;
......@@ -2306,12 +2354,15 @@ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
if (!select_errors++ && !abort_loop) /* purecov: inspected */
sql_print_error("mysqld: Got error %d from select",socket_errno); /* purecov: inspected */
}
MAYBE_BROKEN_SYSCALL
continue;
}
#endif /* HPUX */
if (abort_loop)
{
MAYBE_BROKEN_SYSCALL;
break;
}
/*
** Is this a new connection request
*/
......@@ -2347,6 +2398,7 @@ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
if (new_sock != INVALID_SOCKET ||
(socket_errno != SOCKET_EINTR && socket_errno != SOCKET_EAGAIN))
break;
MAYBE_BROKEN_SYSCALL;
#if !defined(NO_FCNTL_NONBLOCK)
if (!(test_flags & TEST_BLOCKING))
{
......@@ -2363,6 +2415,7 @@ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
{
if ((error_count++ & 255) == 0) // This can happen often
sql_perror("Error in accept");
MAYBE_BROKEN_SYSCALL;
if (socket_errno == SOCKET_ENFILE || socket_errno == SOCKET_EMFILE)
sleep(1); // Give other threads some time
continue;
......
sql/sql_repl.cc
View file @ c0e55b9d
......@@ -38,6 +38,13 @@ bool opt_sporadic_binlog_dump_fail = 0;
static int binlog_dump_count = 0;
#endif
#ifdef SIGNAL_WITH_VIO_CLOSE
#define KICK_SLAVE { slave_thd->close_active_vio(); \
thr_alarm_kill(slave_real_id); }
#else
#define KICK_SLAVE thr_alarm_kill(slave_real_id);
#endif
static Slave_log_event* find_slave_event(IO_CACHE* log,
const char* log_file_name,
char* errmsg);
......@@ -700,10 +707,7 @@ int stop_slave(THD* thd, bool net_report )
if (slave_running)
{
abort_slave = 1;
thr_alarm_kill(slave_real_id);
#ifdef SIGNAL_WITH_VIO_CLOSE
slave_thd->close_active_vio();
#endif
KICK_SLAVE;
// do not abort the slave in the middle of a query, so we do not set
// thd->killed for the slave thread
thd->proc_info = "waiting for slave to die";
......@@ -728,7 +732,7 @@ int stop_slave(THD* thd, bool net_report )
#endif
pthread_cond_timedwait(&COND_slave_stopped, &LOCK_slave, &abstime);
if (slave_running)
thr_alarm_kill(slave_real_id);
KICK_SLAVE;
}
}
else
......@@ -818,7 +822,7 @@ int change_master(THD* thd)
if ((slave_was_running = slave_running))
{
abort_slave = 1;
thr_alarm_kill(slave_real_id);
KICK_SLAVE;
thd->proc_info = "waiting for slave to die";
while (slave_running)
pthread_cond_wait(&COND_slave_stopped, &LOCK_slave); // wait until done
......@@ -1470,7 +1474,7 @@ int load_master_data(THD* thd)
if ((slave_was_running = slave_running))
{
abort_slave = 1;
thr_alarm_kill(slave_real_id);
KICK_SLAVE;
thd->proc_info = "waiting for slave to die";
while (slave_running)
pthread_cond_wait(&COND_slave_stopped, &LOCK_slave); // wait until done
......
tools/mysqlmanager.c
View file @ c0e55b9d
......@@ -189,6 +189,8 @@ static void run_launcher_loop();
int to_launcher_pipe[2],from_launcher_pipe[2];
pid_t launcher_pid;
int in_segfault=0;
const char* pid_file = "/var/run/mysqlmanager.pid";
int created_pid_file = 0;
struct manager_cmd
{
......@@ -283,6 +285,7 @@ struct option long_options[] =
{"one-thread",no_argument,0,'d'},
{"connect-retries",required_argument,0,'C'},
{"password-file",required_argument,0,'p'},
{"pid-file",required_argument,0,'f'},
{"version", no_argument, 0, 'V'},
{0, 0, 0, 0}
};
......@@ -327,6 +330,17 @@ LOG_MSG_FUNC(log_debug,LOG_DEBUG)
void log_debug(const char* __attribute__((unused)) fmt,...) {}
#endif
static void handle_sigterm(int sig)
{
log_info("Got SIGTERM");
if (!one_thread)
{
kill(launcher_pid,SIGTERM);
pthread_kill(loop_th,SIGTERM);
}
clean_up();
exit(0);
}
static void handle_segfault(int sig)
{
......@@ -1250,6 +1264,8 @@ static void clean_up()
if (errfp != stderr)
fclose(errfp);
hash_free(&exec_hash);
if (created_pid_file)
my_delete(pid_file, MYF(0));
}
static void print_version(void)
......@@ -1287,7 +1303,7 @@ static void usage()
static int parse_args(int argc, char **argv)
{
int c, option_index = 0;
while ((c=getopt_long(argc,argv,"P:?#:Vl:b:B:g:m:dC:p:",
while ((c=getopt_long(argc,argv,"P:?#:Vl:b:B:g:m:dC:p:f:",
long_options,&option_index)) != EOF)
{
switch (c)
......@@ -1301,6 +1317,9 @@ static int parse_args(int argc, char **argv)
case 'p':
manager_pw_file=optarg;
break;
case 'f':
pid_file=optarg;
break;
case 'C':
manager_connect_retries=atoi(optarg);
break;
......@@ -1662,6 +1681,16 @@ static void init_user_hash()
fclose(f);
}
static void init_pid_file()
{
FILE* fp = fopen(pid_file, "w");
if (!fp)
die("Could not open pid file %s", pid_file);
created_pid_file=1;
fprintf(fp, "%d\n", getpid());
fclose(fp);
}
static void init_globals()
{
pthread_attr_t thr_attr;
......@@ -1680,8 +1709,10 @@ static void init_globals()
/* (void) pthread_attr_destroy(&thr_attr); */
}
init_user_hash();
init_pid_file();
loop_th=pthread_self();
signal(SIGPIPE,handle_sigpipe);
signal(SIGTERM,handle_sigterm);
}
static int open_and_dup(int fd,char* path)
......
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