[Libguestfs] [nbdkit PATCH] test-layers: Avoid thread leak

[Eric Blake]

Running 'make check' under a ThreadSanitizer build complains that
test-layers leaks a pthread; while harmless, it is also an easy
fix, by detaching the thread to ensure it gets cleaned up.

Signed-off-by: Eric Blake <eblake at redhat.com>
---
 tests/test-layers.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/test-layers.c b/tests/test-layers.c
index 00e6031..7b58699 100644
--- a/tests/test-layers.c
+++ b/tests/test-layers.c
@@ -152,6 +152,12 @@ main (int argc, char *argv[])
     perror ("pthread_create");
     exit (EXIT_FAILURE);
   }
+  err = pthread_detach(&thread);
+  if (err) {
+    errno = err;
+    perror ("pthread_detach");
+    exit (EXIT_FAILURE);
+  }

   /* Note for the purposes of this test we're not very careful about
    * checking for errors (except for the bare minimum) or handling the
-- 
2.17.2