X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0f86d40fdf09712d615dcc7c8ae54e75ff841301..bfb1fc1be00a83251377e2652e9c60b9bcf8204a:/src/smpi/smpi_base.c

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index f5aa890b12..1751f2570a 100644
--- 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[],