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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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kcc-4/lib/usys/sleep.c
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/* SLEEP - sleep for N seconds
** Copyright (c) 1987 by Ken Harrenstien, SRI International
*/
#include "c-env.h"
#include "sys/usysig.h"
#if SYS_T20+SYS_10X
#include "jsys.h"
#endif
/* sleep(secs) - Sleep for N seconds
** unsigned secs;
*/
void
sleep(n)
int n;
{
#if SYS_T20+SYS_10X
int acs[5];
acs[1] = n * 1000; /* Multiply by 1000 to get msec */
jsys(DISMS|JSYS_OKINT, acs); /* Sleep, return if signal */
#elif SYS_WAITS+SYS_T10
asm(" MOVE 1,-1(17)\n"); /* Get argument into AC 1 */
asm(" SLEEP 1,\n");
#elif SYS_ITS
asm(" MOVE 1,-1(17)\n"); /* Get argument into AC 1 */
asm(" IMULI 1,036\n"); /* Multiply by 30 to get 30ths */
asm(" .SLEEP 1,\n");
#else
#error sleep() not supported for this system.
#endif
}