From a950a54516248af60ce986fd29b917d160df80c0 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Mon, 22 Jun 2015 12:40:06 +0200
Subject: [PATCH] test: add NMTST_BUSY_WAIT() util

(cherry picked from commit 4eb48d8c872fa2b484b1fcc998a1a639a3f2a560)
---
 include/nm-test-utils.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/nm-test-utils.h b/include/nm-test-utils.h
index e76496d023..d829e6d52e 100644
--- a/include/nm-test-utils.h
+++ b/include/nm-test-utils.h
@@ -129,6 +129,18 @@ nmtst_assert_error (GError *error,
 	}
 }
 
+#define NMTST_BUSY_WAIT(max_wait_ms, condition, wait) \
+	G_STMT_START { \
+		gint64 _nmtst_end, _nmtst_max_wait_us = (max_wait_ms) * 1000L; \
+		\
+		_nmtst_end = g_get_monotonic_time () + _nmtst_max_wait_us; \
+		while (!(condition)) { \
+			{ wait }; \
+			if (g_get_monotonic_time () > _nmtst_end) \
+				g_assert_not_reached (); \
+		} \
+	} G_STMT_END
+
 inline static void
 _nmtst_assert_success (gboolean success, GError *error, const char *file, int line)
 {