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-rw-r--r--kern/syscnt_types.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/kern/syscnt_types.h b/kern/syscnt_types.h
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+/*
+ * 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 */