gettimer(3) — Subroutines
NAME
gettimer − Gets value of a per-process timer
LIBRARY
Standard C Library (libc.a)
SYNOPSIS
#include <sys/timers.h>
int gettimer(
timer_t timerid,
struct itimerspec ∗tp) ;
PARAMETERS
timeridSpecifies the per-process timer to use; this value is obtained from a call to mktimer().
tpPoints to an itimerspec structure.
DESCRIPTION
The gettimer() function gets the current value of a per-process timer.
NOTES
The gettimer() function is part of the POSIX 1003.4 real-time extensions, which is not an approved standard. As such, it is liable to change.
AES Support Level:
Trial use
RETURN VALUES
Upon successful completion, the gettimer() function returns the value 0 (zero). Otherwise, the gettimer() function returns a value of -1 and sets errno to indicate the error.
ERRORS
If the gettimer() function fails, errno may be set to the following value:
[EINVAL]The timerid parameter does not specify a known timer.
RELATED INFORMATION
Functions: mktimer(2), reltimer(3), rmtimer(3)