L4Re - L4 Runtime Environment
spin.h
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1 
5 /*
6  * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
7  * Torsten Frenzel <frenzel@os.inf.tu-dresden.de>
8  * economic rights: Technische Universit├Ąt Dresden (Germany)
9  * This file is part of TUD:OS and distributed under the terms of the
10  * GNU Lesser General Public License 2.1.
11  * Please see the COPYING-LGPL-2.1 file for details.
12  */
13 #ifndef __l4util_spin_h
14 #define __l4util_spin_h
15 
16 #include <l4/sys/compiler.h>
17 
19 
20 L4_CV void l4_spin(int x,int y);
21 L4_CV void l4_spin_vga(int x,int y);
22 L4_CV void l4_spin_n_text(int x, int y, int len, const char*s);
23 L4_CV void l4_spin_n_text_vga(int x, int y, int len, const char*s);
24 
25 /****************************************************************************
26 * *
27 * spin_text() - spinning wheel at the hercules screen. The given text *
28 * must be a text constant, no variables or arrays. Its *
29 * size is determined with the sizeof operator, it's much *
30 * faster than the strlen function. *
31 * spin_text_vga() - same for vga. *
32 * *
33 ****************************************************************************/
34 #define l4_spin_text(x, y, text) \
35  l4_spin_n_text((x), (y), sizeof(text)-1, "" text)
36 #define l4_spin_text_vga(x, y, text) \
37  l4_spin_n_text_vga((x), (y), sizeof(text)-1, "" text)
38 
40 
41 #endif
#define EXTERN_C_END
End section with C types and functions.
Definition: compiler.h:187
L4 compiler related defines.
#define EXTERN_C_BEGIN
Start section with C types and functions.
Definition: compiler.h:186
#define L4_CV
Define calling convention.
Definition: linkage.h:44