opal,ompi: move container_of definition to its own header

Centralize container_of macro definition so that we don't have to define
it everywhere.

Signed-off-by: Wenduo Wang <[email protected]>

Author: wenduwan

ompi/mca/mtl/ofi/mtl_ofi.h

@@ -24,6 +24,7 @@
 #include "ompi/mca/mtl/mtl.h"
 #include "ompi/mca/mtl/base/base.h"
 #include "opal/datatype/opal_convertor.h"
+#include "opal/util/misc.h"
 #include "opal/util/show_help.h"
 #include "opal/util/printf.h"
 

opal/mca/btl/usnic/btl_usnic.h

@@ -35,6 +35,7 @@
 #include "opal/class/opal_hash_table.h"
 #include "opal/util/alfg.h"
 #include "opal/util/event.h"
+#include "opal/util/misc.h"
 #include "opal_stdint.h"
 
 #include "opal/mca/btl/base/base.h"
@@ -65,10 +66,6 @@ static inline uint64_t get_ticks(void)
 /* RNG buffer declaration */
 extern opal_rng_buff_t opal_btl_usnic_rand_buff;
 
-#ifndef container_of
-#    define container_of(ptr, type, member) ((type *) (((char *) (ptr)) - offsetof(type, member)))
-#endif
-
 #ifndef max
 #    define max(a, b) (((a) > (b)) ? (a) : (b))
 #endif

opal/util/Makefile.am

@@ -63,6 +63,7 @@ headers = \
         if.h \
         keyval_parse.h \
         malloc.h \
+        misc.h
         net.h \
         numtostr.h \
         opal_environ.h \

opal/util/bipartite_graph.c

@@ -18,16 +18,13 @@
 #include "opal/class/opal_pointer_array.h"
 #include "opal/constants.h"
 #include "opal/util/error.h"
+#include "opal/util/misc.h"
 #include "opal/util/output.h"
 #include "opal_stdint.h"
 
 #include "opal/util/bipartite_graph.h"
 #include "opal/util/bipartite_graph_internal.h"
 
-#ifndef container_of
-#    define container_of(ptr, type, member) ((type *) (((char *) (ptr)) - offsetof(type, member)))
-#endif
-
 #define GRAPH_DEBUG 0
 #if GRAPH_DEBUG
 #    define GRAPH_DEBUG_OUT(args) printf(args)

opal/util/misc.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2024      Amazon.com, Inc. or its affiliates.
+ *                         All Rights reserved.
+ * $COPYRIGHT$
+ *
+ * Additional copyrights may follow
+ *
+ * $HEADER$
+ */
+
+/** @file:
+ * Miscellaneous utilities
+ */
+
+#ifndef OPAL_UTIL_MISC_H
+#define OPAL_UTIL_MISC_H
+
+#include "opal/include/opal_config.h"
+
+BEGIN_C_DECLS
+
+#ifndef container_of
+#    define container_of(ptr, type, member) ((type *) (((char *) (ptr)) - offsetof(type, member)))
+#endif
+
+END_C_DECLS
+#endif