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-rw-r--r--sql/mysqld.cc340
-rw-r--r--sql/sys_vars.cc11
-rw-r--r--sql/threadpool_win.cc63
3 files changed, 26 insertions, 388 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 31ee89a7cd3..3ed6846bde9 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -319,22 +319,15 @@ MY_TIMER_INFO sys_timer_info;
/* static variables */
#ifdef HAVE_PSI_INTERFACE
-#if (defined(_WIN32) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
+#if defined(_WIN32) && !defined(EMBEDDED_LIBRARY)
static PSI_thread_key key_thread_handle_con_namedpipes;
static PSI_cond_key key_COND_handler_count;
-#endif /* _WIN32 || HAVE_SMEM && !EMBEDDED_LIBRARY */
-
-#if defined(HAVE_SMEM) && !defined(EMBEDDED_LIBRARY)
-static PSI_thread_key key_thread_handle_con_sharedmem;
-#endif /* HAVE_SMEM && !EMBEDDED_LIBRARY */
-
-#if (defined(_WIN32) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
static PSI_thread_key key_thread_handle_con_sockets;
-#endif /* _WIN32 || HAVE_SMEM && !EMBEDDED_LIBRARY */
+#endif /* _WIN32 |&& !EMBEDDED_LIBRARY */
-#ifdef __WIN__
+#ifdef _WIN32
static PSI_thread_key key_thread_handle_shutdown;
-#endif /* __WIN__ */
+#endif
#ifdef HAVE_OPENSSL10
static PSI_rwlock_key key_rwlock_openssl;
@@ -1098,9 +1091,9 @@ PSI_cond_key key_COND_ack_receiver;
static PSI_cond_info all_server_conds[]=
{
-#if (defined(_WIN32) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
+#if defined(_WIN32) && !defined(EMBEDDED_LIBRARY)
{ &key_COND_handler_count, "COND_handler_count", PSI_FLAG_GLOBAL},
-#endif /* _WIN32 || HAVE_SMEM && !EMBEDDED_LIBRARY */
+#endif /* _WIN32 && !EMBEDDED_LIBRARY */
#ifdef HAVE_MMAP
{ &key_PAGE_cond, "PAGE::cond", 0},
{ &key_COND_active, "TC_LOG_MMAP::COND_active", 0},
@@ -1161,21 +1154,11 @@ PSI_thread_key key_thread_ack_receiver;
static PSI_thread_info all_server_threads[]=
{
-#if (defined(_WIN32) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
+#if (defined (_WIN32) && !defined (EMBEDDED_LIBRARY))
{ &key_thread_handle_con_namedpipes, "con_named_pipes", PSI_FLAG_GLOBAL},
-#endif /* _WIN32 || HAVE_SMEM && !EMBEDDED_LIBRARY */
-
-#if defined(HAVE_SMEM) && !defined(EMBEDDED_LIBRARY)
- { &key_thread_handle_con_sharedmem, "con_shared_mem", PSI_FLAG_GLOBAL},
-#endif /* HAVE_SMEM && !EMBEDDED_LIBRARY */
-
-#if (defined(_WIN32) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
{ &key_thread_handle_con_sockets, "con_sockets", PSI_FLAG_GLOBAL},
-#endif /* _WIN32 || HAVE_SMEM && !EMBEDDED_LIBRARY */
-
-#ifdef __WIN__
{ &key_thread_handle_shutdown, "shutdown", PSI_FLAG_GLOBAL},
-#endif /* __WIN__ */
+#endif
{ &key_thread_bootstrap, "bootstrap", PSI_FLAG_GLOBAL},
{ &key_thread_delayed_insert, "delayed_insert", 0},
@@ -1519,11 +1502,7 @@ int deny_severity = LOG_WARNING;
ulong query_cache_min_res_unit= QUERY_CACHE_MIN_RESULT_DATA_SIZE;
Query_cache query_cache;
#endif
-#ifdef HAVE_SMEM
-const char *shared_memory_base_name= default_shared_memory_base_name;
-my_bool opt_enable_shared_memory;
-HANDLE smem_event_connect_request= 0;
-#endif
+
my_bool opt_use_ssl = 0;
char *opt_ssl_ca= NULL, *opt_ssl_capath= NULL, *opt_ssl_cert= NULL,
@@ -1585,9 +1564,6 @@ static bool read_init_file(char *file_name);
#ifdef _WIN32
pthread_handler_t handle_connections_namedpipes(void *arg);
#endif
-#ifdef HAVE_SMEM
-pthread_handler_t handle_connections_shared_memory(void *arg);
-#endif
pthread_handler_t handle_slave(void *arg);
static void clean_up(bool print_message);
static int test_if_case_insensitive(const char *dir_name);
@@ -2011,21 +1987,6 @@ static void __cdecl kill_server(int sig_ptr)
else
sql_print_error(ER_DEFAULT(ER_GOT_SIGNAL),my_progname,sig); /* purecov: inspected */
-#ifdef HAVE_SMEM
- /*
- Send event to smem_event_connect_request for aborting
- */
- if (opt_enable_shared_memory)
- {
- if (!SetEvent(smem_event_connect_request))
- {
- DBUG_PRINT("error",
- ("Got error: %ld from SetEvent of smem_event_connect_request",
- GetLastError()));
- }
- }
-#endif
-
/* Stop wsrep threads in case they are running. */
if (wsrep_running_threads > 0)
{
@@ -5629,7 +5590,7 @@ static int init_server_components()
#ifndef EMBEDDED_LIBRARY
-
+#ifdef _WIN32
static void create_shutdown_thread()
{
#ifdef __WIN__
@@ -5647,19 +5608,14 @@ static void create_shutdown_thread()
#endif /* __WIN__ */
}
-#endif /* EMBEDDED_LIBRARY */
-
-#if (defined(_WIN32) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
static void handle_connections_methods()
{
pthread_t hThread;
int error;
DBUG_ENTER("handle_connections_methods");
- if (hPipe == INVALID_HANDLE_VALUE &&
- (!have_tcpip || opt_disable_networking) &&
- !opt_enable_shared_memory)
+ if (hPipe == INVALID_HANDLE_VALUE && opt_disable_networking)
{
- sql_print_error("TCP/IP, --shared-memory, or --named-pipe should be configured on NT OS");
+ sql_print_error("TCP/IP, or --named-pipe should be configured on Windows");
unireg_abort(1); // Will not return
}
@@ -5690,20 +5646,6 @@ static void handle_connections_methods()
handler_count--;
}
}
-#ifdef HAVE_SMEM
- if (opt_enable_shared_memory)
- {
- handler_count++;
- if ((error= mysql_thread_create(key_thread_handle_con_sharedmem,
- &hThread, &connection_attrib,
- handle_connections_shared_memory, 0)))
- {
- sql_print_warning("Can't create thread to handle shared memory",
- " (errno= %d)", error);
- handler_count--;
- }
- }
-#endif
while (handler_count > 0)
mysql_cond_wait(&COND_handler_count, &LOCK_start_thread);
@@ -5719,10 +5661,11 @@ void decrement_handler_count()
mysql_mutex_unlock(&LOCK_start_thread);
my_thread_end();
}
-#else
+#else /* WIN32*/
+#define create_shutdown_thread()
#define decrement_handler_count()
-#endif /* defined(_WIN32) || defined(HAVE_SMEM) */
-
+#endif
+#endif /* EMBEDDED_LIBRARY */
#ifndef EMBEDDED_LIBRARY
@@ -6194,11 +6137,11 @@ int mysqld_main(int argc, char **argv)
/* Memory used when everything is setup */
start_memory_used= global_status_var.global_memory_used;
-#if defined(_WIN32) || defined(HAVE_SMEM)
+#ifdef _WIN32
handle_connections_methods();
#else
handle_connections_sockets();
-#endif /* _WIN32 || HAVE_SMEM */
+#endif /* _WIN32 */
/* (void) pthread_attr_destroy(&connection_attrib); */
@@ -7029,250 +6972,6 @@ pthread_handler_t handle_connections_namedpipes(void *arg)
}
#endif /* _WIN32 */
-
-#ifdef HAVE_SMEM
-
-/**
- Thread of shared memory's service.
-
- @param arg Arguments of thread
-*/
-pthread_handler_t handle_connections_shared_memory(void *arg)
-{
- /* file-mapping object, use for create shared memory */
- HANDLE handle_connect_file_map= 0;
- char *handle_connect_map= 0; // pointer on shared memory
- HANDLE event_connect_answer= 0;
- ulong smem_buffer_length= shared_memory_buffer_length + 4;
- ulong connect_number= 1;
- char *tmp= NULL;
- char *suffix_pos;
- char connect_number_char[22], *p;
- const char *errmsg= 0;
- SECURITY_ATTRIBUTES *sa_event= 0, *sa_mapping= 0;
- my_thread_init();
- DBUG_ENTER("handle_connections_shared_memorys");
- DBUG_PRINT("general",("Waiting for allocated shared memory."));
-
- /*
- get enough space base-name + '_' + longest suffix we might ever send
- */
- if (!(tmp= (char *)my_malloc(strlen(shared_memory_base_name) + 32L,
- MYF(MY_FAE))))
- goto error;
-
- if (my_security_attr_create(&sa_event, &errmsg,
- GENERIC_ALL, SYNCHRONIZE | EVENT_MODIFY_STATE))
- goto error;
-
- if (my_security_attr_create(&sa_mapping, &errmsg,
- GENERIC_ALL, FILE_MAP_READ | FILE_MAP_WRITE))
- goto error;
-
- /*
- The name of event and file-mapping events create agree next rule:
- shared_memory_base_name+unique_part
- Where:
- shared_memory_base_name is unique value for each server
- unique_part is unique value for each object (events and file-mapping)
- */
- suffix_pos= strxmov(tmp,shared_memory_base_name,"_",NullS);
- strmov(suffix_pos, "CONNECT_REQUEST");
- if ((smem_event_connect_request= CreateEvent(sa_event,
- FALSE, FALSE, tmp)) == 0)
- {
- errmsg= "Could not create request event";
- goto error;
- }
- strmov(suffix_pos, "CONNECT_ANSWER");
- if ((event_connect_answer= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
- {
- errmsg="Could not create answer event";
- goto error;
- }
- strmov(suffix_pos, "CONNECT_DATA");
- if ((handle_connect_file_map=
- CreateFileMapping(INVALID_HANDLE_VALUE, sa_mapping,
- PAGE_READWRITE, 0, sizeof(connect_number), tmp)) == 0)
- {
- errmsg= "Could not create file mapping";
- goto error;
- }
- if ((handle_connect_map= (char *)MapViewOfFile(handle_connect_file_map,
- FILE_MAP_WRITE,0,0,
- sizeof(DWORD))) == 0)
- {
- errmsg= "Could not create shared memory service";
- goto error;
- }
-
- while (!abort_loop)
- {
- /* Wait a request from client */
- WaitForSingleObject(smem_event_connect_request,INFINITE);
-
- /*
- it can be after shutdown command
- */
- if (abort_loop)
- goto error;
-
- HANDLE handle_client_file_map= 0;
- char *handle_client_map= 0;
- HANDLE event_client_wrote= 0;
- HANDLE event_client_read= 0; // for transfer data server <-> client
- HANDLE event_server_wrote= 0;
- HANDLE event_server_read= 0;
- HANDLE event_conn_closed= 0;
- CONNECT *connect= 0;
-
- p= int10_to_str(connect_number, connect_number_char, 10);
- /*
- The name of event and file-mapping events create agree next rule:
- shared_memory_base_name+unique_part+number_of_connection
- Where:
- shared_memory_base_name is uniquel value for each server
- unique_part is unique value for each object (events and file-mapping)
- number_of_connection is connection-number between server and client
- */
- suffix_pos= strxmov(tmp,shared_memory_base_name,"_",connect_number_char,
- "_",NullS);
- strmov(suffix_pos, "DATA");
- if ((handle_client_file_map=
- CreateFileMapping(INVALID_HANDLE_VALUE, sa_mapping,
- PAGE_READWRITE, 0, smem_buffer_length, tmp)) == 0)
- {
- errmsg= "Could not create file mapping";
- goto errorconn;
- }
- if ((handle_client_map= (char*)MapViewOfFile(handle_client_file_map,
- FILE_MAP_WRITE,0,0,
- smem_buffer_length)) == 0)
- {
- errmsg= "Could not create memory map";
- goto errorconn;
- }
- strmov(suffix_pos, "CLIENT_WROTE");
- if ((event_client_wrote= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
- {
- errmsg= "Could not create client write event";
- goto errorconn;
- }
- strmov(suffix_pos, "CLIENT_READ");
- if ((event_client_read= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
- {
- errmsg= "Could not create client read event";
- goto errorconn;
- }
- strmov(suffix_pos, "SERVER_READ");
- if ((event_server_read= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
- {
- errmsg= "Could not create server read event";
- goto errorconn;
- }
- strmov(suffix_pos, "SERVER_WROTE");
- if ((event_server_wrote= CreateEvent(sa_event,
- FALSE, FALSE, tmp)) == 0)
- {
- errmsg= "Could not create server write event";
- goto errorconn;
- }
- strmov(suffix_pos, "CONNECTION_CLOSED");
- if ((event_conn_closed= CreateEvent(sa_event,
- TRUE, FALSE, tmp)) == 0)
- {
- errmsg= "Could not create closed connection event";
- goto errorconn;
- }
- if (abort_loop)
- goto errorconn;
-
- if (!(connect= new CONNECT))
- {
- errmsg= "Could not create CONNECT object";
- goto errorconn;
- }
-
- /* Send number of connection to client */
- int4store(handle_connect_map, connect_number);
- if (!SetEvent(event_connect_answer))
- {
- errmsg= "Could not send answer event";
- goto errorconn;
- }
- /* Set event that client should receive data */
- if (!SetEvent(event_client_read))
- {
- errmsg= "Could not set client to read mode";
- goto errorconn;
- }
- if (!(connect->vio= vio_new_win32shared_memory(handle_client_file_map,
- handle_client_map,
- event_client_wrote,
- event_client_read,
- event_server_wrote,
- event_server_read,
- event_conn_closed)))
- {
- errmsg= "Could not create VIO object";
- goto errorconn;
- }
- connect->host= my_localhost; /* Host is unknown */
- create_new_thread(connect);
- connect_number++;
- continue;
-
-errorconn:
- /* Could not form connection; Free used handlers/memort and retry */
- if (errmsg)
- {
- char buff[180];
- strxmov(buff, "Can't create shared memory connection: ", errmsg, ".",
- NullS);
- sql_perror(buff);
- }
- if (handle_client_file_map)
- CloseHandle(handle_client_file_map);
- if (handle_client_map)
- UnmapViewOfFile(handle_client_map);
- if (event_server_wrote)
- CloseHandle(event_server_wrote);
- if (event_server_read)
- CloseHandle(event_server_read);
- if (event_client_wrote)
- CloseHandle(event_client_wrote);
- if (event_client_read)
- CloseHandle(event_client_read);
- if (event_conn_closed)
- CloseHandle(event_conn_closed);
-
- delete connect;
- statistic_increment(aborted_connects,&LOCK_status);
- statistic_increment(connection_errors_internal, &LOCK_status);
- }
-
- /* End shared memory handling */
-error:
- if (tmp)
- my_free(tmp);
-
- if (errmsg)
- {
- char buff[180];
- strxmov(buff, "Can't create shared memory service: ", errmsg, ".", NullS);
- sql_perror(buff);
- }
- my_security_attr_free(sa_event);
- my_security_attr_free(sa_mapping);
- if (handle_connect_map) UnmapViewOfFile(handle_connect_map);
- if (handle_connect_file_map) CloseHandle(handle_connect_file_map);
- if (event_connect_answer) CloseHandle(event_connect_answer);
- if (smem_event_connect_request) CloseHandle(smem_event_connect_request);
- DBUG_LEAVE;
- decrement_handler_count();
- return 0;
-}
-#endif /* HAVE_SMEM */
#endif /* EMBEDDED_LIBRARY */
@@ -9076,9 +8775,6 @@ static int mysql_init_variables(void)
ssl_acceptor_fd= 0;
#endif /* ! EMBEDDED_LIBRARY */
#endif /* HAVE_OPENSSL */
-#ifdef HAVE_SMEM
- shared_memory_base_name= default_shared_memory_base_name;
-#endif
#if defined(__WIN__)
/* Allow Win32 users to move MySQL anywhere */
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc
index 6f65b960132..37ae2fbb68a 100644
--- a/sql/sys_vars.cc
+++ b/sql/sys_vars.cc
@@ -2711,17 +2711,6 @@ static Sys_var_ulong Sys_query_prealloc_size(
BLOCK_SIZE(1024), NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(0),
ON_UPDATE(fix_thd_mem_root));
-#ifdef HAVE_SMEM
-static Sys_var_mybool Sys_shared_memory(
- "shared_memory", "Enable the shared memory",
- READ_ONLY GLOBAL_VAR(opt_enable_shared_memory), CMD_LINE(OPT_ARG),
- DEFAULT(FALSE));
-
-static Sys_var_charptr Sys_shared_memory_base_name(
- "shared_memory_base_name", "Base name of shared memory",
- READ_ONLY GLOBAL_VAR(shared_memory_base_name), CMD_LINE(REQUIRED_ARG),
- IN_FS_CHARSET, DEFAULT(0));
-#endif
// this has to be NO_CMD_LINE as the command-line option has a different name
static Sys_var_mybool Sys_skip_external_locking(
diff --git a/sql/threadpool_win.cc b/sql/threadpool_win.cc
index 0cc683c631d..3bc1ae3b371 100644
--- a/sql/threadpool_win.cc
+++ b/sql/threadpool_win.cc
@@ -75,7 +75,6 @@ static bool skip_completion_port_on_success = false;
io_completion_callback - handle client request
timer_callback - handle wait timeout (kill connection)
- shm_read_callback, shm_close_callback - shared memory stuff
login_callback - user login (submitted as threadpool work)
*/
@@ -89,9 +88,6 @@ static void CALLBACK io_completion_callback(PTP_CALLBACK_INSTANCE instance,
static void CALLBACK work_callback(PTP_CALLBACK_INSTANCE instance, PVOID context, PTP_WORK work);
-static void CALLBACK shm_read_callback(PTP_CALLBACK_INSTANCE instance,
- PVOID Context, PTP_WAIT wait,TP_WAIT_RESULT wait_result);
-
static void pre_callback(PVOID context, PTP_CALLBACK_INSTANCE instance);
/* Get current time as Windows time */
@@ -120,7 +116,6 @@ public:
PTP_CALLBACK_INSTANCE callback_instance;
PTP_IO io;
PTP_TIMER timer;
- PTP_WAIT shm_read;
PTP_WORK work;
bool long_callback;
@@ -149,7 +144,6 @@ TP_connection_win::TP_connection_win(CONNECT *c) :
callback_instance(0),
io(0),
timer(0),
- shm_read(0),
work(0)
{
}
@@ -170,30 +164,20 @@ int TP_connection_win::init()
case VIO_TYPE_NAMEDPIPE:
handle= (HANDLE)vio->hPipe;
break;
- case VIO_TYPE_SHARED_MEMORY:
- handle= vio->event_server_wrote;
- break;
default:
abort();
}
- if (vio_type == VIO_TYPE_SHARED_MEMORY)
+
+ /* Performance tweaks (s. MSDN documentation)*/
+ UCHAR flags= FILE_SKIP_SET_EVENT_ON_HANDLE;
+ if (skip_completion_port_on_success)
{
- CHECK_ALLOC_ERROR(shm_read= CreateThreadpoolWait(shm_read_callback, this, &callback_environ));
+ flags |= FILE_SKIP_COMPLETION_PORT_ON_SUCCESS;
}
- else
- {
- /* Performance tweaks (s. MSDN documentation)*/
- UCHAR flags= FILE_SKIP_SET_EVENT_ON_HANDLE;
- if (skip_completion_port_on_success)
- {
- flags |= FILE_SKIP_COMPLETION_PORT_ON_SUCCESS;
- }
- (void)SetFileCompletionNotificationModes(handle, flags);
- /* Assign io completion callback */
- CHECK_ALLOC_ERROR(io= CreateThreadpoolIo(handle, io_completion_callback, this, &callback_environ));
- }
-
+ (void)SetFileCompletionNotificationModes(handle, flags);
+ /* Assign io completion callback */
+ CHECK_ALLOC_ERROR(io= CreateThreadpoolIo(handle, io_completion_callback, this, &callback_environ));
CHECK_ALLOC_ERROR(timer= CreateThreadpoolTimer(timer_callback, this, &callback_environ));
CHECK_ALLOC_ERROR(work= CreateThreadpoolWork(work_callback, this, &callback_environ));
return 0;
@@ -214,11 +198,6 @@ int TP_connection_win::start_io()
DWORD last_error= 0;
int retval;
- if (shm_read)
- {
- SetThreadpoolWait(shm_read, handle, NULL);
- return 0;
- }
StartThreadpoolIo(io);
if (vio_type == VIO_TYPE_TCPIP || vio_type == VIO_TYPE_SSL)
@@ -297,9 +276,6 @@ TP_connection_win::~TP_connection_win()
if (io)
CloseThreadpoolIo(io);
- if (shm_read)
- CloseThreadpoolWait(shm_read);
-
if (work)
CloseThreadpoolWork(work);
@@ -420,29 +396,6 @@ static VOID CALLBACK timer_callback(PTP_CALLBACK_INSTANCE instance,
}
}
-
-/*
- Shared memory read callback.
- Invoked when read event is set on connection.
-*/
-
-static void CALLBACK shm_read_callback(PTP_CALLBACK_INSTANCE instance,
- PVOID context, PTP_WAIT wait,TP_WAIT_RESULT wait_result)
-{
- TP_connection_win *c= (TP_connection_win *)context;
- /* Disarm wait. */
- SetThreadpoolWait(wait, NULL, NULL);
-
- /*
- This is an autoreset event, and one wakeup is eaten already by threadpool,
- and the current state is "not set". Thus we need to reset the event again,
- or vio_read will hang.
- */
- SetEvent(c->handle);
- tp_callback(instance, context);
-}
-
-
static void CALLBACK work_callback(PTP_CALLBACK_INSTANCE instance, PVOID context, PTP_WORK work)
{
tp_callback(instance, context);