Index for Section 3

Alphabetical listing for C

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clock_getres(3)
NAME
  clock_getres - Gets the resolution for the specified clock (P1003.1b)

SYNOPSIS
  #include <time.h>
  int clock_getres (
  clockid_t clock_id,
  struct timespec *res);

LIBRARY
  Realtime Library (librt.so, librt.a)

PARAMETERS
  clock_id
      The clock type used to obtain the resolution. The CLOCK_REALTIME clock
      is supported and represents the TIME-OF-DAY clock for the system.

  *res
      A pointer to the timespec data structure that receives the value of the
      clock's resolution.

DESCRIPTION
  The clock_getres function returns the resolution value for the specified
  clock. If the res argument is NULL, the clock resolution is not returned.

RETURN VALUES
  On a successful call, a value of 0 (zero) is returned.

  On an unsuccessful call, a value of -1 is returned and errno is set to
  indicate that an error occurred.

ERRORS
  The clock_getres function fails under the following condition:

  [EINVAL]
      The clock_id argument does not specify a known clock.

SEE ALSO
  Functions: time(1), ctime(3), timer_settime(3)

  Guide to Realtime Programming

Index for Section 3

Alphabetical listing for C

Top of page