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lbolt(9v)


NAME

  lbolt - Global Variable: Is a periodic wakeup mechanism


SYNOPSIS

  extern time_t lbolt;


DESCRIPTION

  You use the lbolt global variable  as a periodic wakeup mechanism. Wakeups
  are done on the lbolt variable once per second. For example, if a kernel
  module was polling for an event once per second, you could use the
  following code:

	.
	.
	.
       sleep((caddr_t) &lbolt, PZERO);
	.
	.
	.


FILES

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

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