Provided by: libpapi-dev_5.6.0-1_amd64 bug

NAME

       PAPI_set_thr_specific -

       Store a pointer to a thread specific data structure.

SYNOPSIS

Detailed Description

       @par Prototype:
               int PAPI_set_thr_specific( int tag, void *ptr );

       @param tag
           An identifier, the value of which is either PAPI_USR1_TLS or
           PAPI_USR2_TLS. This identifier indicates which of several data
           structures associated with this thread is to be accessed.
       @param ptr
           A pointer to the memory containing the data structure.

       @retval PAPI_OK
       @retval PAPI_EINVAL
           The @em tag argument is out of range.

       In C, PAPI_set_thr_specific will save @em ptr into an array indexed by @em tag.
       There are 2 user available locations and @em tag can be either
       PAPI_USR1_TLS or PAPI_USR2_TLS.
       The array mentioned above is managed by PAPI and allocated to each
       thread which has called PAPI_thread_init.
       There is no Fortran equivalent function.

       @par Example:

       int ret;
       HighLevelInfo *state = NULL;
       ret = PAPI_thread_init(pthread_self);
       if (ret != PAPI_OK) handle_error(ret);

       // Do we have the thread specific data setup yet?

       ret = PAPI_get_thr_specific(PAPI_USR1_TLS, (void *) &state);
       if (ret != PAPI_OK || state == NULL) {
           state = (HighLevelInfo *) malloc(sizeof(HighLevelInfo));
           if (state == NULL) return (PAPI_ESYS);
           memset(state, 0, sizeof(HighLevelInfo));
           state->EventSet = PAPI_NULL;
           ret = PAPI_create_eventset(&state->EventSet);
           if (ret != PAPI_OK) return (PAPI_ESYS);
           ret = PAPI_set_thr_specific(PAPI_USR1_TLS, state);
           if (ret != PAPI_OK) return (ret);
       }
        *

       See Also:
           PAPI_register_thread PAPI_thread_init PAPI_thread_id PAPI_get_thr_specific

Author

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