diff options
Diffstat (limited to 'kern/syscnt_types.h')
-rw-r--r-- | kern/syscnt_types.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/kern/syscnt_types.h b/kern/syscnt_types.h new file mode 100644 index 00000000..5b429b76 --- /dev/null +++ b/kern/syscnt_types.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2017 Richard Braun. + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + * + * + * Isolated type definition used to avoid inclusion circular dependencies. + */ + +#ifndef _KERN_SYSCNT_TYPES_H +#define _KERN_SYSCNT_TYPES_H + +#include <stdint.h> + +#include <kern/list_types.h> +#include <kern/spinlock_types.h> + +/* + * Use atomic access on 64-bits systems, spinlock based critical sections + * on 32-bits ones. + */ +struct syscnt { +#ifndef __LP64__ + struct spinlock lock; +#endif /* __LP64__ */ + + uint64_t value; + struct list node; + char name[SYSCNT_NAME_SIZE]; +}; + +#endif /* _KERN_SYSCNT_TYPES_H */ |