X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f9c6777834b0f2a277966c3e6725600d52619f43..0386b99694ba4c3ab18048e7a57d46bc34201bfb:/src/xbt/parmap.c

diff --git a/src/xbt/parmap.c b/src/xbt/parmap.c
index cdb6e916b6..1b0ab3d793 100644
--- a/src/xbt/parmap.c
+++ b/src/xbt/parmap.c
@@ -272,14 +272,14 @@ static void xbt_parmap_set_mode(xbt_parmap_t parmap, e_xbt_parmap_mode_t mode)
  */
 void xbt_parmap_apply(xbt_parmap_t parmap, void_f_pvoid_t fun, xbt_dynar_t data)
 {
-  /* Assign resources to worker threads */
+  /* Assign resources to worker threads (we are maestro here)*/
   parmap->fun = fun;
   parmap->data = data;
   parmap->index = 0;
-  parmap->master_signal_f(parmap);
-  xbt_parmap_work(parmap);
-  parmap->master_wait_f(parmap);
-  XBT_DEBUG("Job done");
+  parmap->master_signal_f(parmap); // maestro runs futex_wait to wake all the minions (the working threads)
+  xbt_parmap_work(parmap);         // maestro works with its minions
+  parmap->master_wait_f(parmap);   // When there is no more work to do, then maestro waits for the last minion to stop
+  XBT_DEBUG("Job done");           //   ... and proceeds
 }
 
 /**