[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2b3-282-g9950224

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http://git.mpich.org/mpich.git/commitdiff/995022474ca93f07095ea0c0585c589559205fe0

commit 995022474ca93f07095ea0c0585c589559205fe0
Author: Rob Latham <robl at mcs.anl.gov>
Date:   Wed Jun 24 14:45:40 2015 -0500

    Test case for segfault in spawn
    
    Ref: #2282
    
    Signed-off-by: Pavan Balaji <balaji at anl.gov>

diff --git a/test/mpi/spawn/Makefile.am b/test/mpi/spawn/Makefile.am
index 938271d..ce96518 100644
--- a/test/mpi/spawn/Makefile.am
+++ b/test/mpi/spawn/Makefile.am
@@ -39,6 +39,7 @@ noinst_PROGRAMS =         \
     disconnect3           \
     pgroup_connect_test   \
     pgroup_intercomm_test \
-    concurrent_spawns
+    concurrent_spawns     \
+    spawn-rootargs
 
 join_LDADD = $(LDADD) @socklib@ @nslib@
diff --git a/test/mpi/spawn/spawn-rootargs.c b/test/mpi/spawn/spawn-rootargs.c
new file mode 100644
index 0000000..abcf5b3
--- /dev/null
+++ b/test/mpi/spawn/spawn-rootargs.c
@@ -0,0 +1,38 @@
+#include <mpi.h>
+#include <stdio.h>
+
+/* Derived from mpi4py test case.  This test that tries to follow what the MPI
+ * standard says about spawning processes with arguments that should be
+ * relevant only at the root process.  See
+ * https://bitbucket.org/mpi4py/mpi4py/issues/19/unit-tests-fail-with-mpich-master#comment-19261971
+ * and
+ * https://trac.mpich.org/projects/mpich/ticket/2282
+ */
+
+int main(int argc, char *argv[])
+{
+    char *args[] = { "a", "b", "c", (char *) 0 };
+    int rank;
+    MPI_Comm master, worker;
+
+    MPI_Init(&argc, &argv);
+    MPI_Comm_get_parent(&master);
+
+    if (master == MPI_COMM_NULL) {
+        MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+        MPI_Comm_spawn("./spawn-nullargs", args,        /*MPI_ARGV_NULL, */
+                       5, MPI_INFO_NULL, 0, MPI_COMM_SELF, &worker, MPI_ERRCODES_IGNORE);
+        MPI_Barrier(worker);
+        MPI_Comm_disconnect(&worker);
+        if (!rank)
+            printf(" No Errors\n");
+    }
+    else {
+        MPI_Barrier(master);
+        MPI_Comm_disconnect(&master);
+    }
+
+    MPI_Finalize();
+
+    return 0;
+}
diff --git a/test/mpi/spawn/testlist.in b/test/mpi/spawn/testlist.in
index 94c4d5b..083d47f 100644
--- a/test/mpi/spawn/testlist.in
+++ b/test/mpi/spawn/testlist.in
@@ -26,3 +26,4 @@ disconnect3 3
 concurrent_spawns 1
 pgroup_connect_test 4
 pgroup_intercomm_test 4
+spawn-rootargs 10  xfail=2282

-----------------------------------------------------------------------

Summary of changes:
 test/mpi/spawn/Makefile.am      |    3 ++-
 test/mpi/spawn/spawn-rootargs.c |   38 ++++++++++++++++++++++++++++++++++++++
 test/mpi/spawn/testlist.in      |    1 +
 3 files changed, 41 insertions(+), 1 deletions(-)
 create mode 100644 test/mpi/spawn/spawn-rootargs.c


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