MySQL 8.4.3
Source Code Documentation
mysqld_daemon.h
Go to the documentation of this file.
1/* Copyright (c) 2015, 2024, Oracle and/or its affiliates.
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 designed to work 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
11 permission to link the program and your derivative works with the
12 separately licensed software that they have either included with
13 the program or referenced in the documentation.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef MYSQLD_DAEMON_INCLUDED
25#define MYSQLD_DAEMON_INCLUDED
26
27namespace mysqld {
28namespace runtime {
29bool is_daemon();
30/**
31 Daemonize mysqld.
32
33 This function does sysv style of daemonization of mysqld.
34
35 @retval fd In daemon; file descriptor for the write end of the status pipe.
36 @retval -1 In parent, if successful.
37 @retval -2 In parent, in case of errors.
38 */
40void signal_parent(int pipe_write_fd, char status);
41} // namespace runtime
42} // namespace mysqld
43#endif // MYSQLD_DAEMON_INCLUDED
static int pipe_write_fd
Definition: mysqld.cc:1166
void signal_parent(int pipe_write_fd, char status)
Signal parent to exit.
Definition: mysqld_daemon.cc:145
bool is_daemon()
Prediacate to test if we're currently executing in the daemon process.
Definition: mysqld_daemon.cc:54
int mysqld_daemonize()
Daemonize mysqld.
Definition: mysqld_daemon.cc:56
Definition: mysqld_daemon.h:27
required uint32 status
Definition: replication_asynchronous_connection_failover.proto:61