eventloop.h

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#if 0
INDI
Copyright (C) 2003 Elwood C. Downey
2022 Ludovic Pollet
 
This library is free software;
you can redistribute it and / or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation;
either
version 2.1 of the License, or (at your option) any later version.
 
This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY;
without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public
License along with this library;
if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110 - 1301  USA
 
#endif
 
#pragma once
 
/* signature of a callback, workproc and timer function */
 
typedef void(CBF)(int fd, void *);
 
typedef void(WPF)(void *);
 
typedef void(TCF)(void *);
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern void eventLoop();
 
extern int addCallback(int fd, CBF *fp, void *ud);
 
extern void rmCallback(int cid);
 
extern int addWorkProc(WPF *fp, void *ud);
 
extern void rmWorkProc(int wid);
 
extern int addTimer(int ms, TCF *fp, void *ud);
 
extern int addPeriodicTimer(int ms, TCF *fp, void *ud);
 
extern int remainingTimer(int tid);
 
extern int nsecRemainingTimer(int tid);
 
extern void rmTimer(int tid);
 
extern void addImmediateWork(TCF * fp, void *ud);
 
/* utility functions */
extern int deferLoop(int maxms, int *flagp);
extern int deferLoop0(int maxms, int *flagp);
 
#ifdef __cplusplus
}
#endif