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59b7453bbf
This is intended to ensure that all nodes have a constant LSN while making the failover decision. This feature is experimental and needs to be explicitly enabled with the configuration file option "standby_disconnect_on_failover". Note enabling this option will result in a delay in the failover decision until the WAL receiver is disconnected on all nodes.
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/*
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* sysutils.h
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* Copyright (c) 2ndQuadrant, 2010-2019
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SYSUTILS_H_
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#define _SYSUTILS_H_
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extern bool local_command(const char *command, PQExpBufferData *outputbuf);
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extern bool local_command_return_value(const char *command, PQExpBufferData *outputbuf, int *return_value);
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extern bool local_command_simple(const char *command, PQExpBufferData *outputbuf);
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extern bool remote_command(const char *host, const char *user, const char *command, const char *ssh_options, PQExpBufferData *outputbuf);
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extern pid_t disable_wal_receiver(PGconn *conn);
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extern pid_t enable_wal_receiver(PGconn *conn);
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#endif /* _SYSUTILS_H_ */
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