clock(3c)
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clock
report CPU time used
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SYNTAX
long clock ( )
DESCRIPTION
Clock returns the amount of CPU time (in microseconds) used since
the first call to clock. The time reported is the sum of the
user and system times of the calling process and its terminated
child processes for which it has executed wait(2) or system(3S).
The resolution of the clock is 10 milliseconds on Data General
processors.
SEE ALSO
times(2), wait(2), system(3S).
BUGS
The value returned by clock is defined in microseconds for
compatibility with systems that have CPU clocks with much higher
resolution. Because of this, the value returned will wrap around
after accumulating only 2147 seconds of CPU time (about 36
minutes).
DG/UX 4.00 Page 1
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