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hz(9v)


NAME

  hz - Global Variable: Stores the number of clock ticks per second


SYNOPSIS

  extern int hz;


DESCRIPTION

  The hz global variable is set to the number of clock ticks per second. The
  value is useful for timing purposes. For example, if a kernel module wants
  to schedule a routine to be run in 2 seconds, you could use the following
  call:

	.
	.
	.
       timeout(lptout, (caddr_t)dev, 2*hz);
	.
	.
	.


FILES

  /usr/sys/include/sys/kernel.h

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