base.h

#pragma once

#define _GNU_SOURCE

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#include <dirent.h>
#include <pthread.h>
#include <inttypes.h>
#include <time.h>
#include <sched.h>

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/epoll.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>

#include <arpa/inet.h>
#include <netinet/tcp.h>
 
#define ARRAY_SIZE(x) sizeof(x)/sizeof(x[0])

#define gettid() syscall(SYS_gettid)

#define offsetof(TYPE, MEMBER)  ((size_t)&((TYPE *)0)->MEMBER)

#define container_of(ptr, type, member) ({                      \
        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
        (type *)( (char *)__mptr - offsetof(type,member) );})

#define likely(x)       __builtin_expect((x),1)
#define unlikely(x)     __builtin_expect((x),0)

#define bug_on(cond) do {   \
    if (cond)               \
        abort();            \
} while (0)

static inline unsigned int hash_uint(unsigned int x) {
    x = ((x >> 16) ^ x) * 0x45d9f3b;
    x = ((x >> 16) ^ x) * 0x45d9f3b;
    x = (x >> 16) ^ x;
    return x;
}

static inline int hash_int(int x) {
    return (int)hash_uint((unsigned int)x);
}


static inline uint32_t hash_uint32(uint32_t x) {
    x = ((x >> 16) ^ x) * 0x45d9f3b;
    x = ((x >> 16) ^ x) * 0x45d9f3b;
    x = (x >> 16) ^ x;
    return x;
}