Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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c/lib/usys/sleep.c
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/*
** SLEEP - sleep for N seconds
**
** (c) Copyright Ken Harrenstien 1989
** for all changes after v.15, 30-Aug-1987
** (c) Copyright Ken Harrenstien, SRI International 1987
*/
#include <c-env.h>
#if SYS_T20+SYS_10X+SYS_ITS+SYS_T10+SYS_CSI+SYS_WTS
#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_WTS+SYS_T10+SYS_CSI
asm(" MOVE 1,-1(17)\n"); /* Get argument into AC 1 */
asm(" CALLI 1,31\n"); /* SLEEP UUO (avoid label conflict) */
#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
return;
#endif
}
#endif /* T20+10X+T10+CSI+WAITS+ITS */