Merge pull request #299 from Lind-Project/poison_fix

Recover from mutex poisoning

Author: JustinCappos

src/tests/mod.rs

@@ -36,7 +36,15 @@ mod setup {
         set_panic_hook();
 
         //acquiring a lock on TESTMUTEX prevents other tests from running concurrently
-        let thelock = TESTMUTEX.lock().unwrap();
+        let thelock = TESTMUTEX.lock().unwrap_or_else(
+            |e| {
+            //if the lock is poisoned, we need to clear the poison and clean up references to the cage.    
+            lindrustfinalize();
+            //clear the mutex poisoning.
+            TESTMUTEX.clear_poison();
+            //return the underlying guard.
+            e.into_inner()
+        });
 
         interface::RUSTPOSIX_TESTSUITE.store(true, interface::RustAtomicOrdering::Relaxed);