NAME
pmWhichContext - identify the current PMAPI context
C SYNOPSIS
#include <pcp/pmapi.h>
int pmWhichContext(void)
cc ... -lpcp
DESCRIPTION
An application using the Performance Metrics Application
Programming Interface (PMAPI) may manipulate several con
current contexts, each associated with a source of perfor
mance metrics, e.g. pmcd(1) on some host, or an archive
log of performance metrics as created by pmlogger(1).
pmWhichContext returns a handle for the current PMAPI con
text, that may be used in the associated PMAPI routines
that require a handle to identify a PMAPI context.
SEE ALSO
PMAPI(3), pmDestroyContext(3), pmDupContext(3), pmNewCon
text(3) and pmUseContext(3).
DIAGNOSTICS
PM_ERR_NOCONTEXT
no current context
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