kopia lustrzana https://github.com/sp9skp/spdxl
127 wiersze
1.9 KiB
C
127 wiersze
1.9 KiB
C
/*
|
|
* dxlAPRS toolchain
|
|
*
|
|
* Copyright (C) Christian Rabler <oe5dxl@oevsv.at>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <stdio.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
|
|
static fd_set rset, wset;
|
|
static unsigned maxfd;
|
|
|
|
int selectrw(long sec, long usec)
|
|
{
|
|
struct timeval tv;
|
|
|
|
tv.tv_sec = sec;
|
|
tv.tv_usec = usec;
|
|
return select(maxfd+1, &rset, &wset, NULL, &tv);
|
|
}
|
|
|
|
int selectr(long sec, long usec)
|
|
{
|
|
struct timeval tv;
|
|
|
|
tv.tv_sec = sec;
|
|
tv.tv_usec = usec;
|
|
return select(maxfd+1, &rset, NULL, NULL, (usec == 0 && sec == 0) ? NULL : &tv);
|
|
}
|
|
|
|
void fdclr()
|
|
{
|
|
FD_ZERO(&rset);
|
|
FD_ZERO(&wset);
|
|
maxfd = 0;
|
|
}
|
|
|
|
void fdsetr(long n)
|
|
{
|
|
if (n>maxfd) maxfd = n;
|
|
FD_SET(n, &rset);
|
|
}
|
|
|
|
void fdsetw(long n)
|
|
{
|
|
if (n>maxfd) maxfd = n;
|
|
FD_SET(n, &wset);
|
|
}
|
|
|
|
unsigned issetr(long n)
|
|
{
|
|
if (FD_ISSET(n, &rset)) return 1;
|
|
return 0;
|
|
}
|
|
|
|
unsigned issetw(long n)
|
|
{
|
|
if (FD_ISSET(n, &wset)) return 1;
|
|
return 0;
|
|
}
|
|
|
|
int selectrwt(long *sec, long *usec)
|
|
{
|
|
struct timeval tv;
|
|
int ret;
|
|
#ifdef MACOS
|
|
struct timeval spec1, spec2;
|
|
time_t s;
|
|
long us;
|
|
gettimeofday(&spec1, NULL);
|
|
#endif
|
|
|
|
tv.tv_sec = *sec;
|
|
tv.tv_usec = *usec;
|
|
ret=select(maxfd+1, &rset, &wset, NULL, &tv);
|
|
#ifdef MACOS
|
|
/* MacOS does not update tv value in select */
|
|
gettimeofday(&spec2, NULL);
|
|
s = spec2.tv_sec-spec1.tv_sec;
|
|
us = spec2.tv_usec - spec1.tv_usec;
|
|
if (us < 0) {
|
|
us += 1000000;
|
|
s -= 1;
|
|
}
|
|
*sec -= s;
|
|
*usec -= us;
|
|
if (*usec < 0) {
|
|
*usec += 1000000;
|
|
*sec -= 1;
|
|
}
|
|
if (*sec < 0) {
|
|
*sec = 0;
|
|
*usec = 0;
|
|
}
|
|
#else
|
|
*sec = tv.tv_sec;
|
|
*usec= tv.tv_usec;
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
void Usleep(long microseconds)
|
|
{
|
|
usleep(microseconds);
|
|
}
|
|
*/
|
|
/*
|
|
unsigned Systime()
|
|
{
|
|
struct timespec tv;
|
|
clock_gettime(CLOCK_REALTIME, &tv);
|
|
return tv.tv_sec;
|
|
}
|
|
|
|
unsigned monotonictime()
|
|
{
|
|
struct timespec tv;
|
|
clock_gettime(CLOCK_MONOTONIC, &tv);
|
|
return tv.tv_sec;
|
|
}
|
|
*/
|