1PMWHICHCONTEXT(3)          Library Functions Manual          PMWHICHCONTEXT(3)
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NAME

6       pmWhichContext - identify the current PMAPI context
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C SYNOPSIS

9       #include <pcp/pmapi.h>
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11       int pmWhichContext(void)
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13       cc ... -lpcp
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DESCRIPTION

16       An  application  using  the Performance Metrics Application Programming
17       Interface (PMAPI) may  manipulate  several  concurrent  contexts,  each
18       associated  with  a source of performance metrics, e.g. pmcd(1) on some
19       host, or an archive log of performance metrics  as  created  by  pmlog‐
20       ger(1).
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22       pmWhichContext returns a handle for the current PMAPI context, that may
23       be used in the associated PMAPI routines that require a handle to iden‐
24       tify a PMAPI context.
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SEE ALSO

27       PMAPI(3),  pmDestroyContext(3),  pmDupContext(3),  pmNewContext(3)  and
28       pmUseContext(3).
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DIAGNOSTICS

31       PM_ERR_NOCONTEXT
32              no current context
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