/*@
MPI_T_pvar_readreset - Read the value of a performance variable and then reset it
Input Parameters:
+ session - identifier of performance experiment session (handle)
- handle - handle of a performance variable (handle)
Output Parameters:
. buf - initial address of storage location for variable value (choice)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_SESSION
.N MPI_T_ERR_INVALID_HANDLE
.N MPI_T_ERR_PVAR_NO_WRITE
.N MPI_T_ERR_PVAR_NO_ATOMIC
@*/
int MPI_T_pvar_readreset(MPI_T_pvar_session session, MPI_T_pvar_handle handle, void *buf)
{
int mpi_errno = MPI_SUCCESS;
MPID_MPI_STATE_DECL(MPID_STATE_MPI_T_PVAR_READRESET);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_T_PVAR_READRESET);
/* Validate parameters */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS
{
MPIR_ERRTEST_PVAR_SESSION(session, mpi_errno);
MPIR_ERRTEST_PVAR_HANDLE(handle, mpi_errno);
MPIR_ERRTEST_ARGNULL(buf, "buf", mpi_errno);
if (handle == MPI_T_PVAR_ALL_HANDLES || session != handle->session
|| !MPIR_T_pvar_is_oncestarted(handle))
{
mpi_errno = MPI_T_ERR_INVALID_HANDLE;
goto fn_fail;
}
if (!MPIR_T_pvar_is_atomic(handle))
{
mpi_errno = MPI_T_ERR_PVAR_NO_ATOMIC;
goto fn_fail;
}
}
MPID_END_ERROR_CHECKS
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPIR_T_pvar_readreset_impl(session, handle, buf);
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_T_PVAR_READRESET);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_t_pvar_readreset", "**mpi_t_pvar_readreset %p %p %p", session, handle, buf);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_T_pvar_handle_alloc - Allocate a handle for a performance variable
Input Parameters:
+ session - identifier of performance experiment session (handle)
. pvar_index - index of performance variable for which handle is to be allocated (integer)
- obj_handle - reference to a handle of the MPI object to which this variable is supposed to be bound (pointer)
Output Parameters:
+ handle - allocated handle (handle)
- count - number of elements used to represent this variable (integer)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_SESSION
.N MPI_T_ERR_INVALID_INDEX
.N MPI_T_ERR_OUT_OF_HANDLES
@*/
int MPI_T_pvar_handle_alloc(MPI_T_pvar_session session, int pvar_index,
void *obj_handle, MPI_T_pvar_handle *handle, int *count)
{
int mpi_errno = MPI_SUCCESS;
pvar_table_entry_t *entry;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_T_PVAR_HANDLE_ALLOC);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_T_PVAR_HANDLE_ALLOC);
/* Validate parameters */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS
{
MPIR_ERRTEST_PVAR_SESSION(session, mpi_errno);
MPIR_ERRTEST_PVAR_INDEX(pvar_index, mpi_errno);
MPIR_ERRTEST_ARGNULL(count, "count", mpi_errno);
MPIR_ERRTEST_ARGNULL(handle, "handle", mpi_errno);
/* Do not test obj_handle since it may be NULL when no binding */
}
MPID_END_ERROR_CHECKS
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
entry = (pvar_table_entry_t *) utarray_eltptr(pvar_table, pvar_index);
if (!entry->active) {
mpi_errno = MPI_T_ERR_INVALID_INDEX;
goto fn_fail;
}
mpi_errno = MPIR_T_pvar_handle_alloc_impl(session, pvar_index, obj_handle, handle, count);
if (mpi_errno) goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_T_PVAR_HANDLE_ALLOC);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_t_pvar_handle_alloc", "**mpi_t_pvar_handle_alloc %p %d %p %p %p", session, pvar_index, obj_handle, handle, count);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_T_pvar_handle_free - Free an existing handle for a performance variable
Input/Output Parameters:
+ session - identifier of performance experiment session (handle)
- handle - handle to be freed (handle)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_SESSION
.N MPI_T_ERR_INVALID_HANDLE
@*/
int MPI_T_pvar_handle_free(MPI_T_pvar_session session, MPI_T_pvar_handle *handle)
{
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_T_PVAR_HANDLE_FREE);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_T_PVAR_HANDLE_FREE);
/* Validate parameters, especially handles needing to be converted */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS
{
MPIR_ERRTEST_ARGNULL(handle, "handle", mpi_errno);
if (*handle == MPI_T_PVAR_HANDLE_NULL) /* free NULL is OK */
goto fn_exit;
MPIR_ERRTEST_PVAR_SESSION(session, mpi_errno);
MPIR_ERRTEST_PVAR_HANDLE(*handle, mpi_errno);
if ((*handle) == MPI_T_PVAR_ALL_HANDLES || (*handle)->session != session) {
mpi_errno = MPI_T_ERR_INVALID_HANDLE;
goto fn_fail;
}
}
MPID_END_ERROR_CHECKS
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPIR_T_pvar_handle_free_impl(session, handle);
if (mpi_errno) MPIR_ERR_POP(mpi_errno);
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_T_PVAR_HANDLE_FREE);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_t_pvar_handle_free", "**mpi_t_pvar_handle_free %p %p", session, handle);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}