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__pmMktime - Man Page

convert a tm structure to a calendar time

C Synopsis

#include <time.h>
#include "pmapi.h"
#include "libpcp.h"

time_t __pmMktime(struct tm *timeptr);

cc ... -lpcp


This documentation is intended for internal Performance Co-Pilot (PCP) developer use.

These interfaces are not part of the PCP APIs that are guaranteed to remain fixed across releases, and they may not work, or may provide different semantics at some point in the future.


__pmMktime is very similar to mktime(3), except the timezone used is the current “reporting timezone” (rather than the default TZ environment variable scheme).

Like mktime(3) the time to be converted is passed via timeptr, and the function result contains the calendar time (the number of seconds since 00:00:00 UTC, January 1, 1970).

The default current reporting timezone is as defined by the TZ environment variable, so __pmMktime and mktime(3) will initially produce similar conversions.

Use pmNewZone(3), pmNewContextZone(3) or pmUseZone(3) to establish a new current reporting timezone that will effect __pmMktime but not mktime(3).

See Also

mktime(3), PMAPI(3), pmCtime(3), pmLocaltime(3), pmNewContextZone(3), pmNewZone(3) and pmUseZone(3).


PCP Performance Co-Pilot