From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Tue, 25 Feb 2014 13:58:50 +0000 (+0100)
Subject: Persistent comms may be reused after a wait, do not put their handle to MPI_REQUEST_NULL
X-Git-Tag: v3_11~256
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/3391e8197069a1cd28878aec66d0d33e9c22cf06

Persistent comms may be reused after a wait, do not put their handle to MPI_REQUEST_NULL
---

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index b72d6ce9b0..eb2103ec03 100644
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -771,7 +771,8 @@ void smpi_mpi_wait(MPI_Request * request, MPI_Status * status)
   }
 
   finish_wait(request, status);
-  *request = MPI_REQUEST_NULL;
+  if (*request != MPI_REQUEST_NULL && !((*request)->flags & PERSISTENT))
+      *request = MPI_REQUEST_NULL;
   // FIXME for a detached send, finish_wait is not called:
 }