PAPI_get_thr_specific(3) PAPI PAPI_get_thr_specific(3)NAMEPAPI_get_thr_specific-
Retrieve a pointer to a thread specific data structure.
SYNOPSISDetailed Description
Prototype:
#include <papi.h>
int PAPI_get_thr_specific( int tag, void **ptr );
Parameters:
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.
ptr A pointer to the memory containing the data structure.
Return values:
PAPI_OK
PAPI_EINVAL The tag argument is out of range.
In C, PAPI_get_thr_specific PAPI_get_thr_specific will retrieve the
pointer from the array with index tag. There are 2 user available
locations and 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.
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_set_thr_specific
Author
Generated automatically by Doxygen for PAPI from the source code.
Version 5.1.1.0 Tue May 21 2013 PAPI_get_thr_specific(3)
