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