mirror of
https://github.com/owntone/owntone-server.git
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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
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/*
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* Copyright (C) 2016 Christian Meffert <christian.meffert@googlemail.com>
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SRC_COMMANDS_H_
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#define SRC_COMMANDS_H_
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#include <event2/event.h>
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#include <time.h>
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enum command_state {
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COMMAND_END = 0,
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COMMAND_PENDING = 1,
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};
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/*
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* Function that will be executed in the event loop thread.
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*
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* If the function has pending events to complete, it needs to return COMMAND_PENDING with 'ret' set to
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* the number of pending events to wait for.
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*
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* @param arg Opaque pointer passed by command_exec_sync or command_exec_async
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* @param ret Pointer to the return value for the caller of the command
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* @return COMMAND_END if there are no pending events (function execution is complete) or COMMAND_PENDING if there are pending events
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*/
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typedef enum command_state (*command_function)(void *arg, int *ret);
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struct commands_base;
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struct commands_base *
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commands_base_new(struct event_base *evbase);
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int
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commands_base_free(struct commands_base *cmdbase);
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int
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commands_exec_returnvalue(struct commands_base *cmdbase);
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void
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commands_exec_end(struct commands_base *cmdbase, int retvalue);
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int
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commands_exec_sync(struct commands_base *cmdbase, command_function func, command_function func_bh, void *arg);
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int
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commands_exec_async(struct commands_base *cmdbase, command_function func, void *arg);
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#endif /* SRC_COMMANDS_H_ */
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