rcpp_framework/libs/brynet/base/AppStatus.hpp

#pragma once

#include <signal.h>

#include <brynet/base/Platform.hpp>
#include <cstdbool>
#include <cstdio>

#ifdef BRYNET_PLATFORM_WINDOWS
#include <conio.h>
#else
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#endif

static bool app_kbhit() {
#ifdef BRYNET_PLATFORM_WINDOWS
	return _kbhit();
#else
	struct termios oldt;
	tcgetattr(STDIN_FILENO, &oldt);
	auto newt = oldt;
	newt.c_lflag &= ~(ICANON | ECHO);
	tcsetattr(STDIN_FILENO, TCSANOW, &newt);
	const auto oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
	fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);

	const auto ch = getchar();

	tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
	fcntl(STDIN_FILENO, F_SETFL, oldf);

	if (ch != EOF) {
		ungetc(ch, stdin);
		return true;
	}

	return false;
#endif
}