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Annotation of researchv10dc/630/man/src/p_man/man3/sleep.3r, revision 1.1.1.1

1.1       root        1: .ds ZZ DEVELOPMENT PACKAGE
                      2: .TH SLEEP 3R "630 MTG"
                      3: .XE "sleep()"
                      4: .XE "nap()"
                      5: .SH NAME
                      6: sleep, nap \- suspend program execution
                      7: .SH SYNOPSIS
                      8: \f3
                      9: void sleep (nticks)
                     10: .sp
                     11: void nap (nticks)
                     12: .sp
                     13: unsigned int nticks;
                     14: \fR
                     15: .SH DESCRIPTION
                     16: The
                     17: .I nap
                     18: function
                     19: busy loops for
                     20: .I nticks
                     21: ticks of the 60 Hz internal clock.
                     22: To avoid interfering with screen refresh,
                     23: programs drawing rapidly changing scenes should
                     24: .I nap
                     25: for a couple ticks
                     26: between updates
                     27: to synchronize the display and memory.
                     28: .PP
                     29: The
                     30: .I sleep
                     31: function
                     32: is identical to
                     33: .I nap
                     34: except that it gives up the processor for the interval.
                     35: \f2Sleep\f1 should be used in preference to \f2nap\f1 unless there is some
                     36: reason why other applications should not be allowed to run.
                     37: A process
                     38: that never calls
                     39: .I wait
                     40: or
                     41: .I sleep
                     42: can lock out all other 630 MTG processes.
                     43: .PP
                     44: .SH SEE ALSO
                     45: resources(3R).

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