From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Fri, 5 Apr 2013 08:04:15 +0000 (+0200)
Subject: avoid looping forever on iprobe
X-Git-Tag: v3_9_90~412^2~41
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/652e7717895e9cb043a4664a4296ce216017add4?hp=5d924feccdf1e4fb220ad5c1dc784ad4d656d43d

avoid looping forever on iprobe
---

diff --git a/src/smpi/colls/reduce-arrival-pattern-aware.c b/src/smpi/colls/reduce-arrival-pattern-aware.c
index db6c0dc47b..7c921af7a3 100644
--- a/src/smpi/colls/reduce-arrival-pattern-aware.c
+++ b/src/smpi/colls/reduce-arrival-pattern-aware.c
@@ -88,9 +88,11 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
       while (sent_count < (size - 1)) {
 
         for (i = 1; i < size; i++) {
-          if (already_received[i] == 0)
+          if (already_received[i] == 0) {
             smpi_mpi_iprobe(i, MPI_ANY_TAG, MPI_COMM_WORLD, &flag_array[i],
-                       MPI_STATUSES_IGNORE);
+                             MPI_STATUSES_IGNORE);
+            simcall_process_sleep(0.0001);
+            }
         }
 
         header_index = 0;