[mc] Fix PID mismatch in snapshot

I was passing the simulated process PID instead of the native process
PID when taking file descriptor snapshots. File descriptor snapshots
is currently not tested and not fully functional.

diff --git a/src/mc/mc_checkpoint.cpp b/src/mc/mc_checkpoint.cpp
index 07fa867..939fe0c 100644 (file)
--- a/src/mc/mc_checkpoint.cpp
+++ b/src/mc/mc_checkpoint.cpp
@@ -561,7 +561,7 @@ mc_snapshot_t take_snapshot(int num_state)
   snapshot_handle_ignore(snapshot);
 
   if (_sg_mc_snapshot_fds)
-    snapshot->current_fds = get_current_fds(process->pid);
+    snapshot->current_fds = get_current_fds(mc_model_checker->process().pid());
 
   const bool use_soft_dirty = _sg_mc_sparse_checkpoint && _sg_mc_soft_dirty;