make it compile with -Werror by forcing a type casting

[simgrid.git] / src / smpi / smpi_base.c

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index f5aa890..1751f25 100644 (file)
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -107,11 +107,16 @@ void smpi_mpi_start(MPI_Request request)
        detached = 1;
        request->buf = malloc(request->size);
        memcpy(request->buf,oldbuf,request->size);
+       XBT_DEBUG("Send request %p is detached; buf %p copied into %p",request,oldbuf,request->buf);
+    } else {
+       XBT_DEBUG("Send request %p is not detached (buf: %p)",request,request->buf);
     }
-
     request->action = 
                SIMIX_req_comm_isend(mailbox, request->size, -1.0,
-                                   request->buf, request->size, &match_send, request,  
+                                   request->buf, request->size,
+                                   &match_send,
+                                   (void (*)(void *))&smpi_mpi_request_free, // how to free the userdata if a detached send fails
+                                   request,
                                    // detach if msg size < eager/rdv switch limit
                                    detached);
 
@@ -290,9 +295,11 @@ int smpi_mpi_testany(int count, MPI_Request requests[], int *index,
 void smpi_mpi_wait(MPI_Request * request, MPI_Status * status)
 {
   print_request("Waiting", *request);
-  if ((*request)->action != NULL ) 
-        SIMIX_req_comm_wait((*request)->action, -1.0);
-  finish_wait(request, status);
+  if ((*request)->action != NULL) { // this is not a detached send
+    SIMIX_req_comm_wait((*request)->action, -1.0);
+    finish_wait(request, status);
+  }
+  // FIXME for a detached send, finish_wait is not called:
 }
 
 int smpi_mpi_waitany(int count, MPI_Request requests[],