NAME

       pmNewContextZone - establish a reporting timezone based on a PMAPI context

C SYNOPSIS

       #include <pcp/pmapi.h>

       int pmNewContextZone(void);

       cc ... -lpcp

DESCRIPTION

       The current reporting timezone affects the timezone used by pmCtime(3) and pmLocaltime(3).

       If  the  current  PMAPI context is an archive, pmNewContextZone uses the timezone from the
       archive label record to set the current reporting timezone.

       If the current PMAPI context corresponds to a host  source  of  metrics,  pmNewContextZone
       executes  a pmFetch(3) to retrieve the value for the metric pmcd.timezone and uses that to
       set the current reporting timezone.

       In both cases, pmNewContextZone returns a value to identify the current reporting timezone
       that may be used in a subsequent call to pmUseZone(3) to restore this reporting timezone.

DIAGNOSTICS

       PM_ERR_NOCONTEXT
              the current PMAPI context is not valid

       other  a  return  value  less  than  zero indicates a fatal error from a system call, most
              likely malloc(3)

SEE ALSO

       PMAPI(3),  pmCtime(3),  pmFetch(3),   pmGetConfig(3),   pmLocaltime(3),   pmNewContext(3),
       pmNewZone(3), pmUseZone(3), pmWhichZone(3), pcp.conf(5), pcp.env(5) and environ(7).