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-rw-r--r--sql/mysqld.cc133
1 files changed, 94 insertions, 39 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index b260394e50d..2bdd7d1a11d 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -319,9 +319,14 @@ static char *my_bind_addr_str;
static char *default_collation_name;
static char compiled_default_collation_name[]= MYSQL_DEFAULT_COLLATION_NAME;
static char mysql_data_home_buff[2];
-static struct passwd *user_info;
static I_List<THD> thread_cache;
+#ifndef EMBEDDED_LIBRARY
+static struct passwd *user_info;
+static pthread_t select_thread;
+static uint thr_kill_signal;
+#endif
+
static pthread_cond_t COND_thread_cache, COND_flush_thread_cache;
#ifdef HAVE_BERKELEY_DB
@@ -350,6 +355,8 @@ my_bool opt_safe_user_create = 0, opt_no_mix_types = 0;
my_bool opt_show_slave_auth_info, opt_sql_bin_update = 0;
my_bool opt_log_slave_updates= 0;
my_bool opt_innodb;
+bool slave_warning_issued = false;
+
#ifdef HAVE_NDBCLUSTER_DB
const char *opt_ndbcluster_connectstring= 0;
const char *opt_ndb_connectstring= 0;
@@ -396,7 +403,7 @@ ulong slave_net_timeout, slave_trans_retries;
ulong thread_cache_size=0, binlog_cache_size=0, max_binlog_cache_size=0;
ulong query_cache_size=0;
ulong refresh_version, flush_version; /* Increments on each reload */
-query_id_t query_id;
+query_id_t global_query_id;
ulong aborted_threads, aborted_connects;
ulong delayed_insert_timeout, delayed_insert_limit, delayed_queue_size;
ulong delayed_insert_threads, delayed_insert_writes, delayed_rows_in_use;
@@ -428,7 +435,7 @@ ulong rpl_recovery_rank=0;
double log_10[32]; /* 10 potences */
double log_01[32];
-time_t start_time;
+time_t server_start_time;
char mysql_home[FN_REFLEN], pidfile_name[FN_REFLEN], system_time_zone[30];
char *default_tz_name;
@@ -519,7 +526,6 @@ rw_lock_t LOCK_grant, LOCK_sys_init_connect, LOCK_sys_init_slave;
pthread_cond_t COND_refresh,COND_thread_count, COND_global_read_lock;
pthread_t signal_thread;
pthread_attr_t connection_attrib;
-static uint thr_kill_signal;
File_parser_dummy_hook file_parser_dummy_hook;
@@ -547,7 +553,6 @@ static char **defaults_argv;
static char *opt_bin_logname;
static my_socket unix_sock,ip_sock;
-static pthread_t select_thread;
struct rand_struct sql_rand; // used by sql_class.cc:THD::THD()
/* OS specific variables */
@@ -630,7 +635,6 @@ struct st_VioSSLFd *ssl_acceptor_fd;
/* Function declarations */
-static void start_signal_handler(void);
pthread_handler_t signal_hand(void *arg);
static void mysql_init_variables(void);
static void get_options(int argc,char **argv);
@@ -641,7 +645,6 @@ static void fix_paths(void);
pthread_handler_t handle_connections_sockets(void *arg);
pthread_handler_t kill_server_thread(void *arg);
static void bootstrap(FILE *file);
-static void close_server_sock();
static bool read_init_file(char *file_name);
#ifdef __NT__
pthread_handler_t handle_connections_namedpipes(void *arg);
@@ -652,10 +655,16 @@ pthread_handler_t handle_connections_shared_memory(void *arg);
pthread_handler_t handle_slave(void *arg);
static ulong find_bit_type(const char *x, TYPELIB *bit_lib);
static void clean_up(bool print_message);
+static int test_if_case_insensitive(const char *dir_name);
+
+#ifndef EMBEDDED_LIBRARY
+static void start_signal_handler(void);
+static void close_server_sock();
static void clean_up_mutexes(void);
static void wait_for_signal_thread_to_end(void);
-static int test_if_case_insensitive(const char *dir_name);
static void create_pid_file();
+#endif
+
#ifndef EMBEDDED_LIBRARY
/****************************************************************************
@@ -844,7 +853,6 @@ static void close_connections(void)
DBUG_PRINT("quit",("close_connections thread"));
DBUG_VOID_RETURN;
}
-#endif /*EMBEDDED_LIBRARY*/
static void close_server_sock()
@@ -887,12 +895,14 @@ static void close_server_sock()
#endif
}
+#endif /*EMBEDDED_LIBRARY*/
+
void kill_mysql(void)
{
DBUG_ENTER("kill_mysql");
-#ifdef SIGNALS_DONT_BREAK_READ
+#if defined(SIGNALS_DONT_BREAK_READ) && !defined(EMBEDDED_LIBRARY)
abort_loop=1; // Break connection loops
close_server_sock(); // Force accept to wake up
#endif
@@ -972,7 +982,7 @@ static void __cdecl kill_server(int sig_ptr)
kill_in_progress=TRUE;
abort_loop=1; // This should be set
if (sig != 0) // 0 is not a valid signal number
- my_sigset(sig,SIG_IGN);
+ my_sigset(sig, SIG_IGN); /* purify inspected */
if (sig == MYSQL_KILL_SIGNAL || sig == 0)
sql_print_information(ER(ER_NORMAL_SHUTDOWN),my_progname);
else
@@ -1194,6 +1204,8 @@ void clean_up(bool print_message)
} /* clean_up */
+#ifndef EMBEDDED_LIBRARY
+
/*
This is mainly needed when running with purify, but it's still nice to
know that all child threads have died when mysqld exits
@@ -1262,6 +1274,9 @@ static void clean_up_mutexes()
(void) pthread_cond_destroy(&COND_manager);
}
+#endif /*EMBEDDED_LIBRARY*/
+
+
/****************************************************************************
** Init IP and UNIX socket
****************************************************************************/
@@ -1296,7 +1311,7 @@ static void set_ports()
static struct passwd *check_user(const char *user)
{
#if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__)
- struct passwd *user_info;
+ struct passwd *tmp_user_info;
uid_t user_id= geteuid();
// Don't bother if we aren't superuser
@@ -1304,12 +1319,14 @@ static struct passwd *check_user(const char *user)
{
if (user)
{
- // Don't give a warning, if real user is same as given with --user
- user_info= getpwnam(user);
- if ((!user_info || user_id != user_info->pw_uid) &&
+ /* Don't give a warning, if real user is same as given with --user */
+ /* purecov: begin tested */
+ tmp_user_info= getpwnam(user);
+ if ((!tmp_user_info || user_id != tmp_user_info->pw_uid) &&
global_system_variables.log_warnings)
sql_print_warning(
"One can only use the --user switch if running as root\n");
+ /* purecov: end */
}
return NULL;
}
@@ -1322,23 +1339,25 @@ static struct passwd *check_user(const char *user)
}
return NULL;
}
+ /* purecov: begin tested */
if (!strcmp(user,"root"))
return NULL; // Avoid problem with dynamic libraries
- if (!(user_info= getpwnam(user)))
+ if (!(tmp_user_info= getpwnam(user)))
{
// Allow a numeric uid to be used
const char *pos;
for (pos= user; my_isdigit(mysqld_charset,*pos); pos++) ;
if (*pos) // Not numeric id
goto err;
- if (!(user_info= getpwuid(atoi(user))))
+ if (!(tmp_user_info= getpwuid(atoi(user))))
goto err;
else
- return user_info;
+ return tmp_user_info;
}
else
- return user_info;
+ return tmp_user_info;
+ /* purecov: end */
err:
sql_print_error("Fatal error: Can't change to run as user '%s' ; Please check that the user exists!\n",user);
@@ -1347,10 +1366,11 @@ err:
return NULL;
}
-static void set_user(const char *user, struct passwd *user_info)
+static void set_user(const char *user, struct passwd *user_info_arg)
{
+ /* purecov: begin tested */
#if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__)
- DBUG_ASSERT(user_info != 0);
+ DBUG_ASSERT(user_info_arg != 0);
#ifdef HAVE_INITGROUPS
/*
We can get a SIGSEGV when calling initgroups() on some systems when NSS
@@ -1359,33 +1379,34 @@ static void set_user(const char *user, struct passwd *user_info)
output a specific message to help the user resolve this problem.
*/
calling_initgroups= TRUE;
- initgroups((char*) user, user_info->pw_gid);
+ initgroups((char*) user, user_info_arg->pw_gid);
calling_initgroups= FALSE;
#endif
- if (setgid(user_info->pw_gid) == -1)
+ if (setgid(user_info_arg->pw_gid) == -1)
{
sql_perror("setgid");
unireg_abort(1);
}
- if (setuid(user_info->pw_uid) == -1)
+ if (setuid(user_info_arg->pw_uid) == -1)
{
sql_perror("setuid");
unireg_abort(1);
}
#endif
+ /* purecov: end */
}
-static void set_effective_user(struct passwd *user_info)
+static void set_effective_user(struct passwd *user_info_arg)
{
#if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__)
- DBUG_ASSERT(user_info != 0);
- if (setregid((gid_t)-1, user_info->pw_gid) == -1)
+ DBUG_ASSERT(user_info_arg != 0);
+ if (setregid((gid_t)-1, user_info_arg->pw_gid) == -1)
{
sql_perror("setregid");
unireg_abort(1);
}
- if (setreuid((uid_t)-1, user_info->pw_uid) == -1)
+ if (setreuid((uid_t)-1, user_info_arg->pw_uid) == -1)
{
sql_perror("setreuid");
unireg_abort(1);
@@ -1732,6 +1753,7 @@ extern "C" sig_handler abort_thread(int sig __attribute__((unused)))
the signal thread is ready before continuing
******************************************************************************/
+
#if defined(__WIN__) || defined(OS2)
static void init_signals(void)
{
@@ -1972,6 +1994,7 @@ static void init_signals(void)
}
+
static void start_signal_handler(void)
{
// Save vm id of this process
@@ -2023,6 +2046,7 @@ static void init_signals(void)
signal_thread = pthread_self();
}
+
static void start_signal_handler(void)
{}
@@ -2154,6 +2178,8 @@ bugs.\n");
#define SA_NODEFER 0
#endif
+#ifndef EMBEDDED_LIBRARY
+
static void init_signals(void)
{
sigset_t set;
@@ -2232,7 +2258,6 @@ static void init_signals(void)
}
-#ifndef EMBEDDED_LIBRARY
static void start_signal_handler(void)
{
int error;
@@ -2396,11 +2421,11 @@ pthread_handler_t signal_hand(void *arg __attribute__((unused)))
}
return(0); /* purecov: deadcode */
}
-#endif /*!EMBEDDED_LIBRARY*/
static void check_data_home(const char *path)
{}
+#endif /*!EMBEDDED_LIBRARY*/
#endif /* __WIN__*/
@@ -2463,6 +2488,7 @@ static int my_message_sql(uint error, const char *str, myf MyFlags)
}
+#ifndef EMBEDDED_LIBRARY
static void *my_str_malloc_mysqld(size_t size)
{
return my_malloc(size, MYF(MY_FAE));
@@ -2473,6 +2499,7 @@ static void my_str_free_mysqld(void *ptr)
{
my_free((gptr)ptr, MYF(MY_FAE));
}
+#endif /* EMBEDDED_LIBRARY */
#ifdef __WIN__
@@ -2605,7 +2632,7 @@ static int init_common_variables(const char *conf_file_name, int argc,
tzset(); // Set tzname
max_system_variables.pseudo_thread_id= (ulong)~0;
- start_time=time((time_t*) 0);
+ server_start_time= time((time_t*) 0);
if (init_thread_environment())
return 1;
mysql_init_variables();
@@ -2621,7 +2648,7 @@ static int init_common_variables(const char *conf_file_name, int argc,
#ifdef HAVE_TZNAME
{
struct tm tm_tmp;
- localtime_r(&start_time,&tm_tmp);
+ localtime_r(&server_start_time,&tm_tmp);
strmake(system_time_zone, tzname[tm_tmp.tm_isdst != 0 ? 1 : 0],
sizeof(system_time_zone)-1);
@@ -3004,6 +3031,8 @@ static void openssl_lock(int mode, openssl_lock_t *lock, const char *file,
#endif /* HAVE_OPENSSL */
+#ifndef EMBEDDED_LIBRARY
+
static void init_ssl()
{
#ifdef HAVE_OPENSSL
@@ -3029,6 +3058,7 @@ static void init_ssl()
#endif /* HAVE_OPENSSL */
}
+#endif /* EMBEDDED_LIBRARY */
static int init_server_components()
{
@@ -3040,7 +3070,7 @@ static int init_server_components()
query_cache_set_min_res_unit(query_cache_min_res_unit);
query_cache_init();
query_cache_resize(query_cache_size);
- randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2);
+ randominit(&sql_rand,(ulong) server_start_time,(ulong) server_start_time/2);
reset_floating_point_exceptions();
init_thr_lock();
#ifdef HAVE_REPLICATION
@@ -3210,7 +3240,7 @@ server.");
(TC_LOG *) &tc_log_mmap) :
(TC_LOG *) &tc_log_dummy);
- if (tc_log->open(opt_bin_logname))
+ if (tc_log->open(opt_bin_log ? opt_bin_logname : opt_tc_log_file))
{
sql_print_error("Can't init tc log");
unireg_abort(1);
@@ -3228,7 +3258,7 @@ server.");
#ifdef HAVE_REPLICATION
if (opt_bin_log && expire_logs_days)
{
- long purge_time= time(0) - expire_logs_days*24*60*60;
+ long purge_time= (long) (time(0) - expire_logs_days*24*60*60);
if (purge_time >= 0)
mysql_bin_log.purge_logs_before_date(purge_time);
}
@@ -3269,6 +3299,7 @@ server.");
}
+#ifndef EMBEDDED_LIBRARY
static void create_maintenance_thread()
{
if (
@@ -3286,7 +3317,6 @@ static void create_maintenance_thread()
static void create_shutdown_thread()
{
-#if !defined(EMBEDDED_LIBRARY)
#ifdef __WIN__
hEventShutdown=CreateEvent(0, FALSE, FALSE, shutdown_event_name);
pthread_t hThread;
@@ -3302,9 +3332,9 @@ static void create_shutdown_thread()
if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0))
sql_print_warning("Can't create thread to handle shutdown requests");
#endif
-#endif // EMBEDDED_LIBRARY
}
+#endif /* EMBEDDED_LIBRARY */
#if defined(__NT__) || defined(HAVE_SMEM)
static void handle_connections_methods()
@@ -6478,7 +6508,7 @@ static void mysql_init_variables(void)
protocol_version= PROTOCOL_VERSION;
what_to_log= ~ (1L << (uint) COM_TIME);
refresh_version= flush_version= 1L; /* Increments on each reload */
- query_id= thread_id= 1L;
+ global_query_id= thread_id= 1L;
strmov(server_version, MYSQL_SERVER_VERSION);
myisam_recover_options_str= sql_mode_str= "OFF";
myisam_stats_method_str= "nulls_unequal";
@@ -6954,6 +6984,29 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
case (int) OPT_STANDALONE: /* Dummy option for NT */
break;
#endif
+ /*
+ The following change issues a deprecation warning if the slave
+ configuration is specified either in the my.cnf file or on
+ the command-line. See BUG#21490.
+ */
+ case OPT_MASTER_HOST:
+ case OPT_MASTER_USER:
+ case OPT_MASTER_PASSWORD:
+ case OPT_MASTER_PORT:
+ case OPT_MASTER_CONNECT_RETRY:
+ case OPT_MASTER_SSL:
+ case OPT_MASTER_SSL_KEY:
+ case OPT_MASTER_SSL_CERT:
+ case OPT_MASTER_SSL_CAPATH:
+ case OPT_MASTER_SSL_CIPHER:
+ case OPT_MASTER_SSL_CA:
+ if (!slave_warning_issued) //only show the warning once
+ {
+ slave_warning_issued = true;
+ WARN_DEPRECATED(NULL, "5.2", "for replication startup options",
+ "'CHANGE MASTER'");
+ }
+ break;
case OPT_CONSOLE:
if (opt_console)
opt_error_log= 0; // Force logs to stdout
@@ -7579,6 +7632,8 @@ static int test_if_case_insensitive(const char *dir_name)
/* Create file to store pid number */
+#ifndef EMBEDDED_LIBRARY
+
static void create_pid_file()
{
File file;
@@ -7598,7 +7653,7 @@ static void create_pid_file()
sql_perror("Can't start server: can't create PID file");
exit(1);
}
-
+#endif /* EMBEDDED_LIBRARY */
/* Clear most status variables */
void refresh_status(THD *thd)