diff options
Diffstat (limited to 'include/linux/sort.h')
| -rw-r--r-- | include/linux/sort.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/include/linux/sort.h b/include/linux/sort.h index d534da2b5575..c01ef804a0eb 100644 --- a/include/linux/sort.h +++ b/include/linux/sort.h @@ -1,10 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_SORT_H #define _LINUX_SORT_H #include <linux/types.h> +/** + * cmp_int - perform a three-way comparison of the arguments + * @l: the left argument + * @r: the right argument + * + * Return: 1 if the left argument is greater than the right one; 0 if the + * arguments are equal; -1 if the left argument is less than the right one. + */ +#define cmp_int(l, r) (((l) > (r)) - ((l) < (r))) + +void sort_r(void *base, size_t num, size_t size, + cmp_r_func_t cmp_func, + swap_r_func_t swap_func, + const void *priv); + void sort(void *base, size_t num, size_t size, - int (*cmp)(const void *, const void *), - void (*swap)(void *, void *, int)); + cmp_func_t cmp_func, + swap_func_t swap_func); + +/* Versions that periodically call cond_resched(): */ + +void sort_r_nonatomic(void *base, size_t num, size_t size, + cmp_r_func_t cmp_func, + swap_r_func_t swap_func, + const void *priv); + +void sort_nonatomic(void *base, size_t num, size_t size, + cmp_func_t cmp_func, + swap_func_t swap_func); #endif |