cpython/RISCOS/sleep.c
2001-10-24 20:13:15 +00:00

42 lines
857 B
C

#include "oslib/osmodule.h"
#include <stdio.h>
#include "kernel.h"
#include <limits.h>
#include <errno.h>
#include "oslib/taskwindow.h"
#include "Python.h"
int sleep(double delay)
{
os_t starttime, endtime, time; /* monotonic times (centiseconds) */
int *pollword, ret;
bool claimed;
/* calculate end time */
starttime = os_read_monotonic_time();
if (starttime + 100.0*delay >INT_MAX)
endtime = INT_MAX;
else
endtime = (os_t)(starttime + 100.0*delay);
/* allocate (in RMA) and set pollword for xupcall_sleep */
pollword = osmodule_alloc(4);
*pollword = 1;
time = starttime;
ret = 0;
while ( time<endtime && time>=starttime ) {
xupcall_sleep (pollword, &claimed);
if (PyErr_CheckSignals()) {
ret = 1;
break;
}
time = os_read_monotonic_time();
}
/* deallocate pollword */
osmodule_free(pollword);
return ret;
}