From 5d7121829051a971cffab8876327153d40be040a Mon Sep 17 00:00:00 2001
From: Pierre-Nicolas Clauss <pini@tuxfamily.org>
Date: Thu, 31 Mar 2011 17:28:13 +0200
Subject: [PATCH] Added one more missing call. C-MPI should now compile.

---
 include/smpi/smpi.h  |  1 +
 src/smpi/smpi_mpi.c  |  5 +++++
 src/smpi/smpi_pmpi.c | 19 +++++++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/include/smpi/smpi.h b/include/smpi/smpi.h
index 4b5e72c858..68c9cf996a 100644
--- a/include/smpi/smpi.h
+++ b/include/smpi/smpi.h
@@ -222,6 +222,7 @@ MPI_CALL(XBT_PUBLIC(int), MPI_Comm_dup, (MPI_Comm comm, MPI_Comm * newcomm));
 MPI_CALL(XBT_PUBLIC(int), MPI_Comm_create,
                             (MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm));
 MPI_CALL(XBT_PUBLIC(int), MPI_Comm_free, (MPI_Comm * comm));
+MPI_CALL(XBT_PUBLIC(int), MPI_Comm_disconnect, (MPI_Comm * comm));
 MPI_CALL(XBT_PUBLIC(int), MPI_Comm_split, (MPI_Comm comm, int color, int key, MPI_Comm* comm_out));
 
 MPI_CALL(XBT_PUBLIC(int), MPI_Send_init,
diff --git a/src/smpi/smpi_mpi.c b/src/smpi/smpi_mpi.c
index c709e0aaec..d86fcd8c18 100644
--- a/src/smpi/smpi_mpi.c
+++ b/src/smpi/smpi_mpi.c
@@ -194,6 +194,11 @@ int MPI_Comm_free(MPI_Comm * comm)
   return PMPI_Comm_free(comm);
 }
 
+int MPI_Comm_disconnect(MPI_Comm * comm)
+{
+  return PMPI_Comm_disconnect(comm);
+}
+
 int MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm* comm_out)
 {
   return PMPI_Comm_split(comm, color, key, comm_out);
diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index 0422b98b76..ec3da34945 100644
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -763,6 +763,25 @@ int PMPI_Comm_free(MPI_Comm * comm)
   return retval;
 }
 
+int PMPI_Comm_disconnect(MPI_Comm * comm)
+{
+  /* TODO: wait until all communication in comm are done */
+  int retval;
+
+  smpi_bench_end();
+  if (comm == NULL) {
+    retval = MPI_ERR_ARG;
+  } else if (*comm == MPI_COMM_NULL) {
+    retval = MPI_ERR_COMM;
+  } else {
+    smpi_comm_destroy(*comm);
+    *comm = MPI_COMM_NULL;
+    retval = MPI_SUCCESS;
+  }
+  smpi_bench_begin();
+  return retval;
+}
+
 int PMPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm* comm_out)
 {
   int retval;
-- 
2.20.1