source: soft/giet_vm/libs/spin_lock.h @ 238

Last change on this file since 238 was 228, checked in by meunier, 12 years ago

Added support for memspaces and const.
Added an interrupt masking to the "giet_context_switch" syscall
Corrected two bugs in boot/boot_init.c (one minor and one regarding barriers initialization)
Reformatted the code in all files.
File size: 1.2 KB
Line 
1//////////////////////////////////////////////////////////////////////////////////
2// File     : spin_lock.h         
3// Date     : 01/04/2012
4// Author   : alain greiner
5// Copyright (c) UPMC-LIP6
6///////////////////////////////////////////////////////////////////////////////////
7
8#ifndef _GIET_SPIN_LOCK_H_
9#define _GIET_SPIN_LOCK_H_
10
11///////////////////////////////////////////////////////////////////////////////////
12//  lock structure
13// This is a simple binary lock (without waiting queue).
14///////////////////////////////////////////////////////////////////////////////////
15
16typedef struct giet_lock_s {
17    char name[32];      // lock name
18    unsigned int value; // taken if value != 0
19} giet_lock_t;
20
21//////////////////////////////////////////////////////////////////////////////
22//  access functions
23//////////////////////////////////////////////////////////////////////////////
24
25void lock_acquire(giet_lock_t * lock);
26void lock_release(giet_lock_t * lock);
27
28#endif
29
30// Local Variables:
31// tab-width: 4
32// c-basic-offset: 4
33// c-file-offsets:((innamespace . 0)(inline-open . 0))
34// indent-tabs-mode: nil
35// End:
36// vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
37
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