MPI-4: Add support for MPI Sessions

config/opal_configure_options.m4

@@ -21,6 +21,7 @@ dnl Copyright (c) 2013-2017 Intel, Inc.  All rights reserved.
 dnl Copyright (c) 2015      Research Organization for Information Science
 dnl                         and Technology (RIST). All rights reserved.
 dnl Copyright (c) 2020      Amazon.com, Inc. or its affiliates.  All Rights
+dnl Copyright (c) 2019-2021 Triad National Security, LLC. All rights
 dnl                         reserved.
 dnl
 dnl $COPYRIGHT$
@@ -527,6 +528,10 @@ OPAL_WITH_OPTION_MIN_MAX_VALUE(port_name,      1024, 255, 2048)
 # Min length accroding to MPI-2.1, p. 418
 OPAL_WITH_OPTION_MIN_MAX_VALUE(datarep_string,  128,  64,  256)
 
+OPAL_WITH_OPTION_MIN_MAX_VALUE(pset_name_len,  512,  512, 4096)
+
+OPAL_WITH_OPTION_MIN_MAX_VALUE(stringtag_len,     1024, 256, 2048)
+
 # some systems don't want/like getpwuid
 AC_MSG_CHECKING([if want getpwuid support])
 AC_ARG_ENABLE([getpwuid],

ompi/Makefile.am

@@ -193,6 +193,7 @@ include patterns/net/Makefile.am
 include patterns/comm/Makefile.am
 include mca/Makefile.am
 include util/Makefile.am
+include instance/Makefile.am
 
 distclean-local:
 	rm -f mpiext/static-components.h

ompi/attribute/attribute.c

@@ -15,7 +15,7 @@
  *                         reserved.
  * Copyright (c) 2017      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
- * Copyright (c) 2018-2021 Triad National Security, LLC. All rights
+ * Copyright (c) 2018-2022 Triad National Security, LLC. All rights
  *                         reserved.
  * $COPYRIGHT$
  *
@@ -243,6 +243,7 @@
 #include "ompi/datatype/ompi_datatype.h"
 #include "ompi/communicator/communicator.h"  /* ompi_communicator_t generated in [COPY|DELETE]_ATTR_CALLBACKS */
 #include "ompi/win/win.h"                    /* ompi_win_t generated in [COPY|DELETE]_ATTR_CALLBACKS */
+#include "ompi/instance/instance.h"
 #include "ompi/mpi/fortran/base/fint_2_int.h"
 
 
@@ -465,16 +466,6 @@ static OBJ_CLASS_INSTANCE(ompi_attribute_keyval_t,
                           ompi_attribute_keyval_construct,
                           ompi_attribute_keyval_destruct);
 
-/*
- * compatibility until sessions work is finished
- */
-static inline int ompi_mpi_instance_retain(void) {
-    return OMPI_SUCCESS;
-}
-
-static inline void ompi_mpi_instance_release(void) {
-}
-
 /*
  * Static variables
  */

ompi/communicator/Makefile.am

@@ -39,3 +39,4 @@ lib@OMPI_LIBMPI_NAME@_la_SOURCES += \
 	communicator/ft/comm_ft.c communicator/ft/comm_ft_reliable_bcast.c communicator/ft/comm_ft_propagator.c communicator/ft/comm_ft_detector.c communicator/ft/comm_ft_revoke.c
 endif # WANT_FT_MPI
 
+dist_ompidata_DATA += communicator/help-comm.txt