timer_getoverrun(3) Library Functions Manual timer_getoverrun(3)
NAME
timer_getoverrun - Obtains the overrun count for a specified timer
LIBRARY
Realtime Library (librt.so, librt.a)
SYNOPSIS
include <time.h>
int timer_getoverrun ( timer_t timerid );
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.
RELATED INFORMATION
Functions: clock_getres(3), clock_gettime(3), clock_settime(3), timer_delete(3), timer_gettime(3), timer_settime(3)
Guide to Realtime Programming delim off
timer_getoverrun(3)
