X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ba5e8b528ff29715f5a9008137e117a9fbcc24b0..9fd6cbc6c3b06f4b09e3c3339ffb3cc8a68f9bfa:/tools/cmake/test_prog/prog_stackgrowth.c

diff --git a/tools/cmake/test_prog/prog_stackgrowth.c b/tools/cmake/test_prog/prog_stackgrowth.c
index f005341f04..d779b36c54 100644
--- a/tools/cmake/test_prog/prog_stackgrowth.c
+++ b/tools/cmake/test_prog/prog_stackgrowth.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, 2014-2015. The SimGrid Team.
+/* Copyright (c) 2010-2018. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -10,12 +10,20 @@
 static int iterate = 10;
 static int growsdown(int *x)
 {
-  int y;
-  y = (x > &y);
+  int y = (x > &y);
+
   if (--iterate > 0)
     y = growsdown(&y);
-  if (y != (x > &y))
+
+  /* The stack sometimes changes at the 0th level.
+   * Original version did fail in this case, but I changed this around SimGrid 3.13 because of https://bugs.debian.org/814272
+   * Every arch failed on that day :(
+   */
+  if (iterate != 0 && y != (x > &y)) {
+    fprintf(stderr, "The stack changed its direction! (Iteration: %d. It was growing %s; &y=%p; &prevY=%p)\n",
+            (10 - iterate), y ? "down" : "up", &y, x);
     exit(1);
+  }
   return y;
 }
 
@@ -23,6 +31,6 @@ int main(int argc, char *argv[])
 {
   int x;
   printf("%s", growsdown(&x) ? "down" : "up");
-  exit(0);
-  return 1;
+
+  return 0;
 }