NAME

       PAPI_detach -

       Detach PAPI event set from previously specified thread id and restore to executing thread.

SYNOPSIS

Detailed Description

       @par C Interface:
       int PAPI_detach( int  EventSet, unsigned long  tid );

       PAPI_detach is a wrapper function that calls PAPI_set_opt to allow PAPI to
       monitor performance counts on a thread other than the one currently executing.
       This is sometimes referred to as third party monitoring.
       PAPI_attach connects the specified EventSet to the specified thread;
       PAPI_detach breaks that connection and restores the EventSet to the
       original executing thread.

       @param EventSet
           An integer handle for a PAPI EventSet as created by PAPI_create_eventset.
       @param tid
           A thread id as obtained from, for example, PAPI_list_threads or PAPI_thread_id.

       @retval PAPI_ECMP
           This feature is unsupported on this component.
       @retval PAPI_EINVAL
           One or more of the arguments is invalid.
       @retval PAPI_ENOEVST
           The event set specified does not exist.
       @retval PAPI_EISRUN
           The event set is currently counting events.

       @par Examples:

       *   int EventSet = PAPI_NULL;
       *   unsigned long pid;
       *   pid = fork( );
       *   if ( pid <= 0 )
       *   exit( 1 );
       *   if ( PAPI_create_eventset( &EventSet ) != PAPI_OK )
       *   exit( 1 );
       *   // Add Total Instructions Executed to our EventSet
       *   if ( PAPI_add_event( EventSet, PAPI_TOT_INS ) != PAPI_OK )
       *   exit( 1 );
       *   // Attach this EventSet to the forked process
       *   if ( PAPI_attach( EventSet, pid ) != PAPI_OK )
       *   exit( 1 );
       *

       See Also:
           PAPI_set_opt
            PAPI_list_threads
            PAPI_thread_id
            PAPI_thread_init

Author

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