Add asserts to catch when btl_eager_limit is smaller than the pml headers.

This commit was SVN r21707.

ompi/mca/pml/csum/pml_csum_sendreq.h

@@ -12,6 +12,7 @@
  * Copyright (c) 2009      IBM Corporation.  All rights reserved.
  * Copyright (c) 2009      Los Alamos National Security, LLC.  All rights
  *                         reserved. 
+ * Copyright (c) 2009      Sun Microsystems, Inc.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
@@ -349,6 +350,7 @@ mca_pml_csum_send_request_start_btl( mca_pml_csum_send_request_t* sendreq,
     size_t eager_limit = btl->btl_eager_limit - sizeof(mca_pml_csum_hdr_t);
     int rc;
 
+    assert(btl->btl_eager_limit >= sizeof(mca_pml_csum_hdr_t));
     if( OPAL_LIKELY(size <= eager_limit) ) {
         switch(sendreq->req_send.req_send_mode) {
         case MCA_PML_BASE_SEND_SYNCHRONOUS:

ompi/mca/pml/dr/pml_dr_sendreq.h

@@ -9,6 +9,7 @@
  *                         University of Stuttgart.  All rights reserved.
  * Copyright (c) 2004-2006 The Regents of the University of California.
  *                         All rights reserved.
+ * Copyright (c) 2009      Sun Microsystems, Inc.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
@@ -176,6 +177,7 @@ do {
     sendreq->req_send.req_base.req_sequence = OPAL_THREAD_ADD32(&proc->send_sequence,1);  \
                                                                                           \
     /* select a btl */                                                                    \
+    assert(bml_btl->btl->btl_eager_limit >= sizeof(mca_pml_dr_hdr_t));                    \
     eager_limit = bml_btl->btl->btl_eager_limit - sizeof(mca_pml_dr_hdr_t);               \
     if(size <= eager_limit) {                                                             \
         switch(sendreq->req_send.req_send_mode) {                                         \

ompi/mca/pml/ob1/pml_ob1_sendreq.h

@@ -9,6 +9,7 @@
  *                         University of Stuttgart.  All rights reserved.
  * Copyright (c) 2004-2005 The Regents of the University of California.
  *                         All rights reserved.
+ * Copyright (c) 2009      Sun Microsystems, Inc.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
@@ -348,6 +349,7 @@ mca_pml_ob1_send_request_start_btl( mca_pml_ob1_send_request_t* sendreq,
     size_t eager_limit = btl->btl_eager_limit - sizeof(mca_pml_ob1_hdr_t);
     int rc;
 
+    assert(btl->btl_eager_limit >= sizeof(mca_pml_ob1_hdr_t));
     if( OPAL_LIKELY(size <= eager_limit) ) {
         switch(sendreq->req_send.req_send_mode) {
         case MCA_PML_BASE_SEND_SYNCHRONOUS: