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timer_getoverrun(3)


NAME

  timer_getoverrun - Obtains the overrun count for a specified timer


SYNOPSIS

  include <time.h>

  int timer_getoverrun (
	  timer_t timerid );


LIBRARY

  Realtime Library (librt.so, librt.a)


PARAMETERS

  timerid
      The timer for which to return the overrun count.


DESCRIPTION

  The timer_getoverrun function returns the overrun count for a specified
  timer. The count contains the number of extra timer expirations that
  occurred between the time the signal was queued and when it was delivered,
  up to but not including the implementation-defined maximum DELAYTIMER_MAX.


RETURN VALUES

  Upon successful completion, the timer_getoverrun function returns the
  overrun count for the timer specified. If the timer overrun count is equal
  to or greater than DELAYTIMER_MAX, the overrun count is set to
  DELAYTIMER_MAX. If the function fails, it returns -1 and sets errno to
  indicate the type of error that occurred.


ERRORS

  The timer_getoverrun function fails under the following condition:

  [EINVAL]
      The specified clock ID is not defined.


SEE ALSO

  Functions: clock_getres(3), clock_gettime(3), clock_settime(3),
  timer_delete(3), timer_gettime(3), timer_settime(3)

  Guide to Realtime Programming

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