xref: /illumos-gate/usr/src/man/man9f/ddi_get_lbolt.9f (revision 66582b606a8194f7f3ba5b3a3a6dca5b0d346361)
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DDI_GET_LBOLT 9F "Feb 18, 1998"
NAME
ddi_get_lbolt - returns the value of lbolt
SYNOPSIS

#include <sys/types.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>



clock_t ddi_get_lbolt(void);
INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).

DESCRIPTION

ddi_get_lbolt() returns the value of lbolt where lbolt is an integer that represents the number of clock ticks since the last system reboot. This value is used as a counter or timer inside the system kernel. The tick frequency can be determined by using drv_usectohz(9F) which converts microseconds into clock ticks.

RETURN VALUES

ddi_get_lbolt() returns the value of lbolt.

CONTEXT

This routine can be called from any context.

SEE ALSO

ddi_get_time(9F), drv_getparm(9F), drv_usectohz(9F)

Writing Device Drivers

STREAMS Programming Guide