Make sure all tasks but one have a parent

1 files changed, 9 insertions, 1 deletions

diff --git a/uring.c b/uring.c
index c8e1dbb..347c7fc 100644
--- a/uring.c
+++ b/uring.c
@@ -142,8 +142,16 @@ uring_parent(struct cfg *cfg)
 }
 
 void
-uring_task_init(struct uring_task *task, const char *name, struct uring_task *parent, void (*free)(struct uring_task *))
+uring_task_init(struct uring_task *task, const char *name,
+		struct uring_task *parent, void (*free)(struct uring_task *))
 {
+	static bool first = true;
+
+	if (first)
+		first = false;
+	else if (!parent)
+		die("uring_task_init called without a parent\n");
+
 	if (!free)
 		die("uring_task_init called without destructor\n");