source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/arduino/avr/cores/arduino/hooks.c @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 2 years ago

Adding new version

File size: 1.1 KB
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1/*
2  Copyright (c) 2012 Arduino.  All right reserved.
3
4  This library is free software; you can redistribute it and/or
5  modify it under the terms of the GNU Lesser General Public
6  License as published by the Free Software Foundation; either
7  version 2.1 of the License, or (at your option) any later version.
8
9  This library is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12  See the GNU Lesser General Public License for more details.
13
14  You should have received a copy of the GNU Lesser General Public
15  License along with this library; if not, write to the Free Software
16  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17*/
18
19/**
20 * Empty yield() hook.
21 *
22 * This function is intended to be used by library writers to build
23 * libraries or sketches that supports cooperative threads.
24 *
25 * Its defined as a weak symbol and it can be redefined to implement a
26 * real cooperative scheduler.
27 */
28static void __empty() {
29        // Empty
30}
31void yield(void) __attribute__ ((weak, alias("__empty")));
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