[mc] Make an option for file descriptor snapshot (off by default)

[simgrid.git] / src / mc / mc_config.c

diff --git a/src/mc/mc_config.c b/src/mc/mc_config.c
index 07c9179..6251712 100644 (file)
--- a/src/mc/mc_config.c
+++ b/src/mc/mc_config.c
@@ -58,7 +58,7 @@ int _sg_mc_comms_determinism = 0;
 int _sg_mc_send_determinism = 0;
 int _sg_mc_safety = 0;
 int _sg_mc_liveness = 0;
-
+int _sg_mc_snapshot_fds = 0;
 
 void _mc_cfg_cb_reduce(const char *name, int pos)
 {
@@ -118,6 +118,15 @@ void _mc_cfg_cb_hash(const char *name, int pos)
   _sg_mc_hash = xbt_cfg_get_boolean(_sg_cfg_set, name);
 }
 
+void _mc_cfg_cb_snapshot_fds(const char *name, int pos)
+{
+  if (_sg_cfg_init_status && !_sg_do_model_check) {
+    xbt_die
+        ("You are specifying a value to enable/disable the use of FD snapshoting, but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+  }
+  _sg_mc_snapshot_fds = xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
 void _mc_cfg_cb_max_depth(const char *name, int pos)
 {
   if (_sg_cfg_init_status && !_sg_do_model_check) {