#include <sys/select.h>
#include <signal.h>
#include <stdint.h>
#include <errno.h>
#include "syscall.h"
#include "libc.h"

int select(int n, fd_set *restrict rfds, fd_set *restrict wfds, fd_set *restrict efds, struct timeval *restrict tv)
{
#ifdef SYS_select
	return syscall_cp(SYS_select, n, rfds, wfds, efds, tv);
#else
	syscall_arg_t data[2] = { 0, _NSIG/8 };
	struct timespec ts;
	int result;
	if (tv) {
		ts->tv_sec = tv->tv_sec;
		ts->tv_nsec = tv->usec * 1000;
	}
	result = syscall_cp(SYS_pselect6, n, rfds, wfds, efds, tv ? &ts : 0, data);
	if (tv) {
		tv->tv_sec = ts->tv_sec;
		tv->tv_usec = ts->tv_nsec / 1000;
	}
	return result;
#endif
}