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Merge pull request #13086 from hppritcha/mpi_t_events_stub
MPI_T: provide a stub implementation of events
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‎configure.ac‎

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@@ -189,6 +189,12 @@ AC_MSG_CHECKING([for bootstrap Libtool version])
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ltversion=`grep VERSION= $srcdir/config/ltmain.sh | head -n 1 | cut -d= -f2`
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AC_MSG_RESULT([$ltversion])
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# Ensure mpi.h.in and mca_base_event.h have consistent callback safety values
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AC_DEFINE_UNQUOTED([OPAL_MCA_BASE_CB_REQUIRE_NONE], [0], [Keeping OPAL and OMPI values in sync])
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AC_DEFINE_UNQUOTED([OPAL_MCA_BASE_CB_REQUIRE_MPI_RESTRICTED], [1], [Keeping OPAL and OMPI values in sync])
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AC_DEFINE_UNQUOTED([OPAL_MCA_BASE_CB_REQUIRE_THREAD_SAFE], [2], [Keeping OPAL and OMPI values in sync])
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AC_DEFINE_UNQUOTED([OPAL_MCA_BASE_CB_REQUIRE_ASYNC_SIGNAL_SAFE], [3], [Keeping OPAL and OMPI values in sync])
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# List header files to generate
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AC_CONFIG_HEADERS([opal/include/opal_config.h])
@@ -1399,6 +1405,7 @@ if test $ac_cv_header_sys_synch_h = yes ; then
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[Do not use outside of mpi.h. Define to 1 if you have the <sys/synch.h> header file.])
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fi
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# If there is a local hook for each project, call it. This allows 3rd
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# parties to add configuration steps to OPAL and/or OMPI simply
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# by placing a file in [opal|ompi]/config/whatever.m4 that

‎docs/Makefile.am‎

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@@ -437,6 +437,21 @@ OMPI_MAN3 = \
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MPI_T_cvar_write.3 \
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MPI_T_enum_get_info.3 \
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MPI_T_enum_get_item.3 \
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MPI_T_event_callback_get_info.3 \
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MPI_T_event_callback_set_info.3 \
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MPI_T_event_copy.3 \
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MPI_T_event_get_index.3 \
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MPI_T_event_get_info.3 \
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MPI_T_event_get_num.3 \
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MPI_T_event_get_source.3 \
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MPI_T_event_get_timestamp.3 \
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MPI_T_event_handle_alloc.3 \
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MPI_T_event_handle_free.3 \
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MPI_T_event_handle_get_info.3 \
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MPI_T_event_handle_set_info.3 \
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MPI_T_event_read.3 \
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MPI_T_event_register_callback.3 \
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MPI_T_event_set_dropped_handler.3 \
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MPI_Test.3 \
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MPI_Testall.3 \
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MPI_Testany.3 \
@@ -457,6 +472,9 @@ OMPI_MAN3 = \
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MPI_T_pvar_start.3 \
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MPI_T_pvar_stop.3 \
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MPI_T_pvar_write.3 \
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MPI_T_source_get_info.3 \
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MPI_T_source_get_num.3 \
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MPI_T_source_get_timestamp.3 \
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MPI_Type_c2f.3 \
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MPI_Type_commit.3 \
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MPI_Type_contiguous.3 \

‎docs/man-openmpi/man3/MPI_T.3.rst‎

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@@ -123,4 +123,49 @@ Open MPI's MPI_T categories are organized hierarchically:
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.. seealso::
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* :ref:`MPI_T_category_changed`
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* :ref:`MPI_T_category_get_categories`
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* :ref:`MPI_T_category_get_cvars`
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* :ref:`MPI_T_category_get_info`
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* :ref:`MPI_T_category_get_num`
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* :ref:`MPI_T_category_get_pvars`
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* :ref:`MPI_T_cvar_get_info`
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* :ref:`MPI_T_cvar_get_num`
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* :ref:`MPI_T_cvar_handle_alloc`
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* :ref:`MPI_T_cvar_handle_free`
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* :ref:`MPI_T_cvar_read`
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* :ref:`MPI_T_cvar_write`
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* :ref:`MPI_T_enum_get_info`
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* :ref:`MPI_T_enum_get_item`
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* :ref:`MPI_T_event_callback_get_info`
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* :ref:`MPI_T_event_callback_set_info`
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* :ref:`MPI_T_event_copy`
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* :ref:`MPI_T_event_get_index`
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* :ref:`MPI_T_event_get_info`
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* :ref:`MPI_T_event_get_num`
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* :ref:`MPI_T_event_get_source`
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* :ref:`MPI_T_event_get_timestamp`
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* :ref:`MPI_T_event_handle_alloc`
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* :ref:`MPI_T_event_handle_free`
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* :ref:`MPI_T_event_handle_get_info`
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* :ref:`MPI_T_event_handle_set_info`
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* :ref:`MPI_T_event_read`
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* :ref:`MPI_T_event_register_callback`
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* :ref:`MPI_T_event_set_dropped_handler`
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* :ref:`MPI_T_finalize`
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* :ref:`MPI_T_init_thread`
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* :ref:`MPI_T_pvar_get_info`
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* :ref:`MPI_T_pvar_get_num`
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* :ref:`MPI_T_pvar_handle_alloc`
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* :ref:`MPI_T_pvar_handle_free`
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* :ref:`MPI_T_pvar_read`
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* :ref:`MPI_T_pvar_readreset`
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* :ref:`MPI_T_pvar_reset`
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* :ref:`MPI_T_pvar_session_create`
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* :ref:`MPI_T_pvar_session_free`
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* :ref:`MPI_T_pvar_start`
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* :ref:`MPI_T_pvar_stop`
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* :ref:`MPI_T_pvar_write`
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* :ref:`MPI_T_source_get_info`
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* :ref:`MPI_T_source_get_num`
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* :ref:`MPI_T_source_get_timestamp`

‎docs/man-openmpi/man3/MPI_T_ERRORS.rst‎

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* ``MPI_T_ERR_NOT_INITIALIZED``: The MPI Tools interface is not initialized.
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* ``MPI_T_ERR_INVALID_HANDLE``: The handle is invalid.
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* ``MPI_T_ERR_INVALID_HANDLE``: Invalid use of the interface or bad parameter values(s).
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* ``MPI_T_ERR_OTHER``: Other error

‎docs/man-openmpi/man3/MPI_T_event_callback_get_info.3.rst‎

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.. _mpi_t_event_callback_get_info:
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MPI_T_event_callback_get_info
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=============================
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.. include_body
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:ref:`MPI_T_event_callback_get_info` |mdash| Returns a new info object containing the hints of the callback function registered for the callback safety level specified by cb_safety of the event-registration handle associated with event_registration.
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SYNTAX
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------
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C Syntax
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^^^^^^^^
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.. code-block:: c
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#include <mpi.h>
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int MPI_T_event_callback_get_info(MPI_T_event_registration event_registration,
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MPI_T_cb_safety cb_safety, MPI_Info *info_used)
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INPUT PARAMETERS
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----------------
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* ``event_registration``: Event registration
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* ``cb_safety``: maximum callback safety level
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OUTPUT PARAMETERS
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-----------------
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* ``info_used``: Info argument
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DESCRIPTION
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-----------
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:ref:`MPI_T_event_callback_get_info` returns a new info object containing the
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hints of the callback function registered for the callback safety level specified by ``cb_safety`` of
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the event-registration handle associated with ``event_registration``.
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ERRORS
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------
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:ref:`MPI_T_event_callback_get_info` will fail if:
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.. include:: ./MPI_T_ERRORS.rst

‎docs/man-openmpi/man3/MPI_T_event_callback_set_info.3.rst‎

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.. _mpi_t_event_callback_set_info:
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MPI_T_event_callback_set_info
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=============================
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.. include_body
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:ref:`MPI_T_event_callback_set_info` |mdash| Updates the hints of the callback function registered for the callback safety level specified by cb_safety of the event-registration handle associated with event_registration.
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SYNTAX
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------
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C Syntax
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^^^^^^^^
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.. code-block:: c
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#include <mpi.h>
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int MPI_T_event_callback_set_info(MPI_T_event_registration event_registration,
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MPI_T_cb_safety cb_safety, MPI_Info info)
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INPUT PARAMETERS
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----------------
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* ``event_registration``: Event registration
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* ``cb_safety``: maximum callback safety level
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* ``info``: Info argument
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DESCRIPTION
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-----------
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:ref:`MPI_T_event_callback_set_info` Updates the hints of the callback function registered for the callback safety level specified by ``cb_safety`` of the event-registration handle associated with event_registration.
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ERRORS
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------
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:ref:`MPI_T_event_callback_set_info` will fail if:
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.. include:: ./MPI_T_ERRORS.rst

‎docs/man-openmpi/man3/MPI_T_event_copy.3.rst‎

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.. _mpi_t_event_copy:
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MPI_T_event_copy
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================
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.. include_body
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:ref:`MPI_T_event_copy` |mdash| Copy event data as a whole into a user-specified buffer.
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SYNTAX
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------
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C Syntax
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^^^^^^^^
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.. code-block:: c
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#include <mpi.h>
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int MPI_T_event_copy(MPI_T_event_instance event_instance, void *buffer)
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INPUT PARAMETERS
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----------------
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* ``event_instance``: event-instance handle provided to the callback function.
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* ``buf``: pointer to a memory location to store the event data.
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DESCRIPTION
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-----------
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:ref:`MPI_T_event_copy` copies the event data as a whole into the user-provided buffer.
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The user must assure that the buffer is of at least the size of the extent of the event
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type, which can be computed from the type and displacement information returned by the
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corresponding call to :ref:`MPI_T_event_get_info`.
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ERRORS
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------
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:ref:`MPI_T_event_copy` will fail if:
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.. include:: ./MPI_T_ERRORS.rst
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.. seealso::
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* :ref:`MPI_T_event_read`

‎docs/man-openmpi/man3/MPI_T_event_get_index.3.rst‎

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.. _mpi_t_event_get_index:
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MPI_T_event_get_index
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=====================
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.. include_body
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:ref:`MPI_T_event_get_index` |mdash| Query the index of an event type identified by a known event type name
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SYNTAX
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------
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C Syntax
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^^^^^^^^
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.. code-block:: c
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#include <mpi.h>
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int MPI_T_event_get_index(const char *name, int *event_index)
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INPUT PARAMETERS
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-----------------
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* ``name``: name of the event type
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OUTPUT PARAMETERS
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-----------------
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* ``event_index``: index of the event type
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DESCRIPTION
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-----------
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:ref:`MPI_T_event_get_index` can be used to query for the index of an event type identified by a known
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event type name.
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ERRORS
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------
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:ref:`MPI_T_event_get_index` will fail if:
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* ``MPI_T_ERR_NOT_INITIALIZED``: The MPI Tools interface is not
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initialized
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* ``MPI_T_ERR_INVALID_NAME``: The event name is invalid
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initialized

‎docs/man-openmpi/man3/MPI_T_event_get_info.3.rst‎

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.. _mpi_t_event_get_info:
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MPI_T_event_get_info
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====================
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.. include_body
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:ref:`MPI_T_event_get_info` |mdash| Returns additional information about a specific event type
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SYNTAX
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------
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C Syntax
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^^^^^^^^
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.. code-block:: c
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#include <mpi.h>
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int MPI_T_event_get_info(int event_index, char *name, int *name_len,
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int *verbosity, MPI_Datatype array_of_datatypes[],
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MPI_Aint array_of_displacements[], int *num_elements,
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MPI_T_enum *enumtype, MPI_Info *info, char *desc,
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int *desc_len, int *bind)
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INPUT PARAMETERS
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----------------
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* ``event_index``: Index of the event to be queried.
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INPUT/OUTPUT PARAMETERS
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-----------------------
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* ``name_len``: Length of the string and/or buffer for name.
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* ``desc_len``: Length of the string and/or buffer for desc.
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* ``num_elements``: length of array of datatypes and displacements.
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OUTPUT PARAMETERS
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-----------------
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* ``name``: Buffer to return the string containing the name of the event type.
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* ``verbosity``: Verbosity level of this event type
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* ``array_of_datatypes``: Array of MPI basic datatypes used to encode the event data
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* ``array_of_displacements``: Array of byte displacements of the elements in the event buffer
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* ``enumtype``: Optional descriptor for enumeration information
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* ``info``: Optional info argument.
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* ``desc``: Buffer to return the string containing the description of the event type.
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* ``bind``: Type of MPI object to which an event of this type must be bound
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DESCRIPTION
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-----------
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:ref:`MPI_T_event_get_info` can be used to query information from for a specific event type.
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ERRORS
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------
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:ref:`MPI_T_event_get_info` will fail if:
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* ``MPI_T_ERR_NOT_INITIALIZED``: The MPI Tools interface not initialized
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* ``MPI_T_ERR_INVALID_INDEX``: The source index is invalid
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* ``MPI_T_ERR_INVALID``: Invalid use of the interface or bad parameter values(s).
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* ``MPI_ERR_OTHER``: Other error

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