Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
refcount: Split out refcount_types.h
More trimming of sched.h dependencies.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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include/linux/refcount.h
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include/linux/refcount.h
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#include <linux/bug.h>
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#include <linux/compiler.h>
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#include <linux/limits.h>
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#include <linux/refcount_types.h>
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#include <linux/spinlock_types.h>
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struct mutex;
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/**
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* typedef refcount_t - variant of atomic_t specialized for reference counts
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* @refs: atomic_t counter field
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*
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* The counter saturates at REFCOUNT_SATURATED and will not move once
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* there. This avoids wrapping the counter and causing 'spurious'
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* use-after-free bugs.
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*/
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typedef struct refcount_struct {
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atomic_t refs;
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} refcount_t;
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#define REFCOUNT_INIT(n) { .refs = ATOMIC_INIT(n), }
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#define REFCOUNT_MAX INT_MAX
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include/linux/refcount_types.h
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include/linux/refcount_types.h
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_REFCOUNT_TYPES_H
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#define _LINUX_REFCOUNT_TYPES_H
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#include <linux/types.h>
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/**
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* typedef refcount_t - variant of atomic_t specialized for reference counts
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* @refs: atomic_t counter field
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*
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* The counter saturates at REFCOUNT_SATURATED and will not move once
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* there. This avoids wrapping the counter and causing 'spurious'
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* use-after-free bugs.
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*/
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typedef struct refcount_struct {
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atomic_t refs;
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} refcount_t;
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#endif /* _LINUX_REFCOUNT_TYPES_H */
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include/linux/sched.h
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include/linux/sched.h