[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1rc2-14-gdcf00b3

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- Log -----------------------------------------------------------------
http://git.mpich.org/mpich.git/commitdiff/dcf00b350be1f1d33c039d1d6995d01fa743e1ba

commit dcf00b350be1f1d33c039d1d6995d01fa743e1ba
Author: Ken Raffenetti <raffenet at mcs.anl.gov>
Date:   Fri Nov 22 13:23:38 2013 -0600

    set context mask depending on need for ICOMM_WORLD
    
    Some devices may not require ICOMM_WORLD and could cause false
    'context not freed' messages in debug mode.
    
    Signed-off-by: Huiwei Lu <huiweilu at mcs.anl.gov>

diff --git a/src/mpi/comm/commutil.c b/src/mpi/comm/commutil.c
index 8ca467e..b759e79 100644
--- a/src/mpi/comm/commutil.c
+++ b/src/mpi/comm/commutil.c
@@ -689,9 +689,14 @@ static void MPIR_Init_contextid(void)
     for (i=1; i<MPIR_MAX_CONTEXT_MASK; i++) {
 	context_mask[i] = 0xFFFFFFFF;
     }
-    /* the first three values are already used (comm_world, comm_self,
-       and the internal-only copy of comm_world) */
-    context_mask[0] = 0xFFFFFFF8; 
+    /* The first two values are already used (comm_world, comm_self).
+       The third value is also used for the internal-only copy of
+       comm_world, if needed by mpid. */
+#ifdef MPID_NEEDS_ICOMM_WORLD
+    context_mask[0] = 0xFFFFFFF8;
+#else
+    context_mask[0] = 0xFFFFFFFC;
+#endif
     initialize_context_mask = 0;
 
 #ifdef MPICH_DEBUG_HANDLEALLOC

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

Summary of changes:
 src/mpi/comm/commutil.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)


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