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authorunknown <serg@sergbook.mysql.com>2004-12-31 15:26:24 +0100
committerunknown <serg@sergbook.mysql.com>2004-12-31 15:26:24 +0100
commitb99bea6704299399c84bd8374ef7f248ff9570c5 (patch)
tree928b06c231edee4cb95ace87ed30e879e3dcb0fb /vio
parentbd23099be0b22845e8c97e2fb36ee3c6eb0e2491 (diff)
parent5eaf65ab4be77911eb03cceefac9ecea48c25f71 (diff)
downloadmariadb-git-b99bea6704299399c84bd8374ef7f248ff9570c5.tar.gz
manually merged
configure.in: Auto merged client/mysqldump.c: Auto merged innobase/buf/buf0rea.c: Auto merged innobase/dict/dict0load.c: Auto merged innobase/fil/fil0fil.c: Auto merged innobase/include/fil0fil.h: Auto merged innobase/include/row0mysql.h: Auto merged innobase/include/trx0trx.h: Auto merged innobase/os/os0file.c: Auto merged innobase/row/row0ins.c: Auto merged innobase/row/row0mysql.c: Auto merged innobase/row/row0sel.c: Auto merged innobase/srv/srv0start.c: Auto merged innobase/trx/trx0trx.c: Auto merged libmysqld/lib_sql.cc: Auto merged mysql-test/mysql-test-run.sh: Auto merged mysql-test/r/alter_table.result: Auto merged mysql-test/r/ctype_ucs.result: Auto merged mysql-test/r/func_str.result: Auto merged mysql-test/r/grant.result: Auto merged mysql-test/r/grant_cache.result: Auto merged mysql-test/r/merge.result: Auto merged mysql-test/r/ndb_blob.result: Auto merged mysql-test/r/ps_1general.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/r/timezone2.result: Auto merged mysql-test/t/ctype_ucs.test: Auto merged mysql-test/t/grant.test: Auto merged mysql-test/t/merge.test: Auto merged mysql-test/t/multi_update.test: Auto merged mysql-test/t/mysqldump.test: Auto merged mysql-test/t/subselect.test: Auto merged ndb/src/ndbapi/NdbBlob.cpp: Auto merged ndb/src/ndbapi/NdbConnection.cpp: Auto merged ndb/src/ndbapi/NdbDictionaryImpl.cpp: Auto merged ndb/src/ndbapi/NdbOperationDefine.cpp: Auto merged sql/ha_innodb.cc: Auto merged sql/ha_myisammrg.cc: Auto merged sql/ha_myisammrg.h: Auto merged sql/item_cmpfunc.cc: Auto merged sql/item_func.cc: Auto merged sql/item_strfunc.cc: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/set_var.cc: Auto merged sql-common/client.c: Auto merged sql/sql_table.cc: Auto merged sql/strfunc.cc: Auto merged sql/unireg.cc: Auto merged vio/vio.c: Auto merged vio/viosocket.c: Auto merged
Diffstat (limited to 'vio')
-rw-r--r--vio/vio.c22
-rw-r--r--vio/viosocket.c42
2 files changed, 45 insertions, 19 deletions
diff --git a/vio/vio.c b/vio/vio.c
index 39b5f843e5e..ea254e2ed5a 100644
--- a/vio/vio.c
+++ b/vio/vio.c
@@ -172,22 +172,24 @@ Vio *vio_new_win32pipe(HANDLE hPipe)
#ifdef HAVE_SMEM
Vio *vio_new_win32shared_memory(NET *net,HANDLE handle_file_map, HANDLE handle_map,
HANDLE event_server_wrote, HANDLE event_server_read,
- HANDLE event_client_wrote, HANDLE event_client_read)
+ HANDLE event_client_wrote, HANDLE event_client_read,
+ HANDLE event_conn_closed)
{
Vio *vio;
DBUG_ENTER("vio_new_win32shared_memory");
if ((vio = (Vio*) my_malloc(sizeof(Vio),MYF(MY_WME))))
{
vio_reset(vio, VIO_TYPE_SHARED_MEMORY, 0, 0, TRUE);
- vio->handle_file_map = handle_file_map;
- vio->handle_map = handle_map;
- vio->event_server_wrote = event_server_wrote;
- vio->event_server_read = event_server_read;
- vio->event_client_wrote = event_client_wrote;
- vio->event_client_read = event_client_read;
- vio->shared_memory_remain = 0;
- vio->shared_memory_pos = handle_map;
- vio->net = net;
+ vio->handle_file_map= handle_file_map;
+ vio->handle_map= handle_map;
+ vio->event_server_wrote= event_server_wrote;
+ vio->event_server_read= event_server_read;
+ vio->event_client_wrote= event_client_wrote;
+ vio->event_client_read= event_client_read;
+ vio->event_conn_closed= event_conn_closed;
+ vio->shared_memory_remain= 0;
+ vio->shared_memory_pos= handle_map;
+ vio->net= net;
strmov(vio->desc, "shared memory");
}
DBUG_RETURN(vio);
diff --git a/vio/viosocket.c b/vio/viosocket.c
index 2921eb7495e..de50dabba5f 100644
--- a/vio/viosocket.c
+++ b/vio/viosocket.c
@@ -381,10 +381,21 @@ int vio_read_shared_memory(Vio * vio, gptr buf, int size)
{
if (vio->shared_memory_remain == 0)
{
- if (WaitForSingleObject(vio->event_server_wrote,vio->net->read_timeout*1000) != WAIT_OBJECT_0)
+ HANDLE events[2];
+ events[0]= vio->event_server_wrote;
+ events[1]= vio->event_conn_closed;
+ /*
+ WaitForMultipleObjects can return next values:
+ WAIT_OBJECT_0+0 - event from vio->event_server_wrote
+ WAIT_OBJECT_0+1 - event from vio->event_conn_closed. We can't read anything
+ WAIT_ABANDONED_0 and WAIT_TIMEOUT - fail. We can't read anything
+ */
+ if (WaitForMultipleObjects(2, (HANDLE*)&events,FALSE,
+ vio->net->read_timeout*1000) != WAIT_OBJECT_0)
{
DBUG_RETURN(-1);
};
+
vio->shared_memory_pos = vio->handle_map;
vio->shared_memory_remain = uint4korr((ulong*)vio->shared_memory_pos);
vio->shared_memory_pos+=4;
@@ -429,7 +440,8 @@ int vio_write_shared_memory(Vio * vio, const gptr buf, int size)
current_postion = buf;
while (remain != 0)
{
- if (WaitForSingleObject(vio->event_server_read,vio->net->write_timeout*1000) != WAIT_OBJECT_0)
+ if (WaitForSingleObject(vio->event_server_read, vio->net->write_timeout*1000)
+ != WAIT_OBJECT_0)
{
DBUG_RETURN(-1);
};
@@ -454,17 +466,29 @@ int vio_close_shared_memory(Vio * vio)
{
int r;
DBUG_ENTER("vio_close_shared_memory");
- r=UnmapViewOfFile(vio->handle_map) || CloseHandle(vio->event_server_wrote) ||
- CloseHandle(vio->event_server_read) || CloseHandle(vio->event_client_wrote) ||
- CloseHandle(vio->event_client_read) || CloseHandle(vio->handle_file_map);
- if (r)
+ if (vio->type != VIO_CLOSED)
{
- DBUG_PRINT("vio_error", ("close() failed, error: %d",r));
- /* FIXME: error handling (not critical for MySQL) */
+ /*
+ Set event_conn_closed for notification of both client and server that
+ connection is closed
+ */
+ SetEvent(vio->event_conn_closed);
+ /*
+ Close all handlers. UnmapViewOfFile and CloseHandle return non-zero
+ result if they are success.
+ */
+ r= UnmapViewOfFile(vio->handle_map) || CloseHandle(vio->event_server_wrote) ||
+ CloseHandle(vio->event_server_read) || CloseHandle(vio->event_client_wrote) ||
+ CloseHandle(vio->event_client_read) || CloseHandle(vio->handle_file_map);
+ if (!r)
+ {
+ DBUG_PRINT("vio_error", ("close() failed, error: %d",r));
+ /* FIXME: error handling (not critical for MySQL) */
+ }
}
vio->type= VIO_CLOSED;
vio->sd= -1;
- DBUG_RETURN(r);
+ DBUG_RETURN(!r);
}
#endif /* HAVE_SMEM */
#endif /* __WIN__ */