| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _LINUX_REFCOUNT_TYPES_H | |
| #define _LINUX_REFCOUNT_TYPES_H | |
| #include <linux/types.h> | |
| /** | |
| * typedef refcount_t - variant of atomic_t specialized for reference counts | |
| * @refs: atomic_t counter field | |
| * | |
| * The counter saturates at REFCOUNT_SATURATED and will not move once | |
| * there. This avoids wrapping the counter and causing 'spurious' | |
| * use-after-free bugs. | |
| */ | |
| typedef struct refcount_struct { | |
| atomic_t refs; | |
| } refcount_t; | |
| #endif /* _LINUX_REFCOUNT_TYPES_H */ |