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#pragma once
#include <sys/types.h>
#include <sys/mman.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define MB(_x) (_x * 1024UL * 1024UL)
#define GB(_x) (_x * 1024UL * MB(1))
void * alloc_shared(unsigned int size);
void * __zmalloc(size_t size, const char *func);
#define zmalloc(size) __zmalloc(size, __func__)
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#define min(x, y) ({ \
typeof(x) _min1 = (x); \
typeof(y) _min2 = (y); \
(void) (&_min1 == &_min2); \
_min1 < _min2 ? _min1 : _min2; })
#define max(x, y) ({ \
typeof(x) _max1 = (x); \
typeof(y) _max2 = (y); \
(void) (&_max1 == &_max2); \
_max1 > _max2 ? _max1 : _max2; })
#ifndef offsetof
# define offsetof(type, member) ((size_t) &((type *) 0)->member)
#endif
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
/*
* swap - swap value of @a and @b
*/
#define swap(a, b) \
do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
#define MAX_ERRNO 4095
#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO)
static inline long IS_ERR(unsigned long x)
{
return IS_ERR_VALUE(x);
}
void sizeunit(unsigned long size, char *buf);
void kill_pid(pid_t pid);
void freeptr(unsigned long *p);
int get_num_fds(void);
#define __stringify_1(x...) #x
#define __stringify(x...) __stringify_1(x)
#define unreachable() do { } while (1)
#define RAND_ELEMENT(_array, _element) \
_array[rnd() % ARRAY_SIZE(_array)]._element
#define RAND_ARRAY(_array) _array[rnd() % ARRAY_SIZE(_array)]
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
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