support: Add support_record_failure_barrier

This can be used to stop execution after a TEST_COMPARE_BLOB
failure, for example.

1 files changed, 10 insertions, 0 deletions

diff --git a/support/support_record_failure.c b/support/support_record_failure.c
index 978123701d..72ee2b232f 100644
--- a/support/support_record_failure.c
+++ b/support/support_record_failure.c
@@ -112,3 +112,13 @@ support_record_failure_is_failed (void)
      synchronization for reliable test error reporting anyway.  */
   return __atomic_load_n (&state->failed, __ATOMIC_RELAXED);
 }
+
+void
+support_record_failure_barrier (void)
+{
+  if (__atomic_load_n (&state->failed, __ATOMIC_RELAXED))
+    {
+      puts ("error: exiting due to previous errors");
+      exit (1);
+    }
+}