MySQL  8.0.17
Source Code Documentation
my_thread_local.h
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1 /* Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
2 
3  This program is free software; you can redistribute it and/or modify
4  it under the terms of the GNU General Public License, version 2.0,
5  as published by the Free Software Foundation.
6 
7  This program is also distributed with certain software (including
8  but not limited to OpenSSL) that is licensed under separate terms,
9  as designated in a particular file or component or in included license
10  documentation. The authors of MySQL hereby grant you an additional
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12  separately licensed software that they have included with MySQL.
13 
14  This program is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  GNU General Public License, version 2.0, for more details.
18 
19  You should have received a copy of the GNU General Public License
20  along with this program; if not, write to the Free Software
21  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22 
23 #ifndef MY_THREAD_LOCAL_INCLUDED
24 #define MY_THREAD_LOCAL_INCLUDED
25 
26 /**
27  @file include/my_thread_local.h
28 */
29 
30 #include "my_inttypes.h"
31 #include "my_macros.h"
32 
34 
35 /**
36  Retrieve the MySQL thread-local storage variant of errno.
37 */
38 int my_errno();
39 
40 /**
41  Set the MySQL thread-local storage variant of errno.
42 */
43 void set_my_errno(int my_errno);
44 
45 #ifdef _WIN32
46 /*
47  thr_winerr is used for returning the original OS error-code in Windows,
48  my_osmaperr() returns EINVAL for all unknown Windows errors, hence we
49  preserve the original Windows Error code in thr_winerr.
50 */
51 int thr_winerr();
52 
53 void set_thr_winerr(int winerr);
54 
55 #endif
56 
57 #ifndef DBUG_OFF
58 /* Return pointer to DBUG for holding current state */
59 struct CODE_STATE;
61 
63 
65 
66 #endif
67 
68 #endif // MY_THREAD_LOCAL_INCLUDED
Some common macros.
void set_my_thread_var_id(my_thread_id id)
Definition: my_thr_init.cc:355
Some integer typedefs for easier portability.
CODE_STATE ** my_thread_var_dbug()
Definition: my_thr_init.cc:357
void set_my_errno(int my_errno)
Set the MySQL thread-local storage variant of errno.
Definition: my_thr_init.cc:344
uint32_t uint32
Definition: my_inttypes.h:62
uint32 my_thread_id
Definition: my_thread_local.h:33
int my_errno()
Retrieve the MySQL thread-local storage variant of errno.
Definition: my_thr_init.cc:342
Definition: dbug.cc:215
my_thread_id my_thread_var_id()
Definition: my_thr_init.cc:353