#ifdef __linux__

#include <fcntl.h>
#include <sys/socket.h>
#include <sys/resource.h>

#include "LinuxFunc.h"

#ifndef SO_REUSEPORT
#define SO_REUSEPORT 15
#endif

int cppnet::SetSocketNoblocking(unsigned int sock) {
    int old_option = fcntl(sock, F_GETFL);
    int new_option = old_option | O_NONBLOCK;
    fcntl(sock, F_SETFL, new_option);
    return old_option;
}

int cppnet::SetReusePort(unsigned int sock) {
    int opt = 1;
    int ret = setsockopt(sock, SOL_SOCKET, SO_REUSEPORT,
        &opt, static_cast<socklen_t>(sizeof(opt)));
    return ret;
}

void cppnet::SetCoreFileUnlimit() {
    struct rlimit rlim;
    struct rlimit rlim_new;
    if (getrlimit(RLIMIT_CORE, &rlim) == 0) {
        rlim_new.rlim_cur = rlim_new.rlim_max = RLIM_INFINITY;
        if (setrlimit(RLIMIT_CORE, &rlim_new) != 0) {
            rlim_new.rlim_cur = rlim_new.rlim_max = rlim.rlim_max;
            setrlimit(RLIMIT_CORE, &rlim_new);
        }
    }
}
#endif