X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1cecc204a88a65f9f0c4a97627fc7ff159fed3a2..bdebd1432527a032fe2a9141bc1ced07cfc083dc:/src/smpi/smpi_base.c

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index e76bdc1c3b..768b13b8b5 100644
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -344,12 +344,14 @@ void smpi_mpi_start(MPI_Request request)
 
   if (request->flags & RECV) {
     print_request("New recv", request);
+        
+    xbt_mutex_t mut=smpi_process_mailboxes_mutex();
+    xbt_mutex_acquire(mut);
     
     if (request->flags & RMA || request->size < sg_cfg_get_int("smpi/async_small_thres")){
     //We have to check both mailboxes (because SSEND messages are sent to the large mbox). begin with the more appropriate one : the small one.
       mailbox = smpi_process_mailbox_small();
       XBT_DEBUG("Is there a corresponding send already posted in the small mailbox %p (in case of SSEND)?", mailbox);
-      XBT_DEBUG("Is there a corresponding send already posted the small mailbox %p (in case of SSEND)?", mailbox);
       smx_synchro_t action = simcall_comm_iprobe(mailbox, 0, request->src,request->tag, &match_recv, (void*)request);
     
       if(action ==NULL){
@@ -358,7 +360,6 @@ void smpi_mpi_start(MPI_Request request)
         action = simcall_comm_iprobe(mailbox, 0, request->src,request->tag, &match_recv, (void*)request);
         if(action ==NULL){
           XBT_DEBUG("Still nothing, switch back to the small mailbox : %p", mailbox);
-          XBT_DEBUG("Still notching, switch back to the small mailbox : %p", mailbox);
           mailbox = smpi_process_mailbox_small();
           }
       }else{
@@ -395,7 +396,7 @@ void smpi_mpi_start(MPI_Request request)
                                          request, -1.0);
         XBT_DEBUG("recv simcall posted");
 
-
+    xbt_mutex_release(mut);
   } else {
 
 
@@ -421,6 +422,9 @@ void smpi_mpi_start(MPI_Request request)
         XBT_DEBUG("sending size of %zu : sleep %f ", request->size, smpi_os(request->size));
     }
     
+    xbt_mutex_t mut=smpi_process_remote_mailboxes_mutex(receiver);
+    xbt_mutex_acquire(mut);
+    
     if (request->flags & RMA || request->size < sg_cfg_get_int("smpi/async_small_thres")) { // eager mode
       mailbox = smpi_process_remote_mailbox(receiver);
       XBT_DEBUG("Is there a corresponding recv already posted in the large mailbox %p?", mailbox);
@@ -492,7 +496,7 @@ void smpi_mpi_start(MPI_Request request)
       simcall_set_category(request->action, TRACE_internal_smpi_get_category());
 
 #endif
-
+    xbt_mutex_release(mut);
   }
 
 }