Files
mir_server/sdk/system/SysApi.cpp
aixianling 5c9f1dae4a init
2025-01-09 17:45:40 +08:00

64 lines
1.1 KiB
C++

#include "SysApi.h"
//#include <sys/time.h>
// #include <string>
// #include <vector>
// #include <signal.h>
//#include <iostream>
#include <fstream>
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
void Sleep(unsigned int nSec)
{
struct timeval delay;
if(nSec > 1000)
{
delay.tv_sec=nSec /1000;
delay.tv_usec = (nSec % 1000) * 1000;
}
else
{
delay.tv_sec=0;
delay.tv_usec = nSec *1000;
}
select(0,0,0,0,&delay);
}
int _kbhit(void)
{
struct termios oldt, newt;
int ch;
int oldf;
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
newt.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);
ch = getchar();
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
fcntl(STDIN_FILENO, F_SETFL, oldf);
if(ch != EOF)
{
ungetc(ch, stdin);
return 1;
}
return 0;
}
int _kbhit2 (void)
{
struct timeval tv;
fd_set rdfs;
tv.tv_sec = 0;
tv.tv_usec = 0;
FD_ZERO(&rdfs);
FD_SET (STDIN_FILENO, &rdfs);
select(STDIN_FILENO+1, &rdfs, NULL, NULL, &tv);
return FD_ISSET(STDIN_FILENO, &rdfs);
}