serval-dna/trigger.h
Andrew Bettison bbc7f8fbce Remove terminating semicolons from within macros
The ALARM_STRUCT() and DECLARE_TRIGGER() macros included terminating
semicolons, but their invocation should always be followed by a
semicolon, otherwise etags(1) gets confused, so their included semicolon
was redundant.
2015-11-02 10:11:41 +10:30

45 lines
1.5 KiB
C

/*
Copyright (C) 2015 Serval Project Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __SERVAL_DNA__TRIGGER_H
#define __SERVAL_DNA__TRIGGER_H
#include "section.h"
/* Macros for triggers
*/
#define DECLARE_TRIGGER(TRIG, ...) \
typedef void TRIGGER_FUNC_##TRIG (__VA_ARGS__); \
DECLARE_SECTION(TRIGGER_FUNC_##TRIG *, tr_##TRIG)
// Don't include the trailing ";" in the macro, the caller has to supply it.
// Otherwise etags(1) gets confused and omits any function definition that
// immediately follows a DEFINE_TRIGGER() line.
#define DEFINE_TRIGGER(TRIG, FUNC) \
TRIGGER_FUNC_##TRIG * __trigger_##FUNC IN_SECTION(tr_##TRIG) = FUNC
#define CALL_TRIGGER(TRIG, ...) \
do { \
TRIGGER_FUNC_##TRIG **__trig; \
for (__trig = SECTION_START(tr_##TRIG); __trig < SECTION_END(tr_##TRIG); ++__trig) \
(**__trig)(__VA_ARGS__); \
} while (0)
#endif // __SERVAL_DNA__TRIGGER_H