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			41 lines
		
	
	
	
		
			866 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
	
		
			866 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "oslib/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 "oslib/taskwindow.h"
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| #include "Python.h"
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| 
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| 
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| int riscos_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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| 	osbool claimed;
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| 
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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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| 
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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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| 
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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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| 
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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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