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[Qemu-devel] [PULL 6/7] test-coroutine: test qemu_coroutine_entered()


From: Stefan Hajnoczi
Subject: [Qemu-devel] [PULL 6/7] test-coroutine: test qemu_coroutine_entered()
Date: Wed, 28 Sep 2016 19:15:36 +0100

Signed-off-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
 tests/test-coroutine.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/tests/test-coroutine.c b/tests/test-coroutine.c
index 6431dd6..abd97c2 100644
--- a/tests/test-coroutine.c
+++ b/tests/test-coroutine.c
@@ -53,6 +53,47 @@ static void test_self(void)
 }
 
 /*
+ * Check that qemu_coroutine_entered() works
+ */
+
+static void coroutine_fn verify_entered_step_2(void *opaque)
+{
+    Coroutine *caller = (Coroutine *)opaque;
+
+    g_assert(qemu_coroutine_entered(caller));
+    g_assert(qemu_coroutine_entered(qemu_coroutine_self()));
+    qemu_coroutine_yield();
+
+    /* Once more to check it still works after yielding */
+    g_assert(qemu_coroutine_entered(caller));
+    g_assert(qemu_coroutine_entered(qemu_coroutine_self()));
+    qemu_coroutine_yield();
+}
+
+static void coroutine_fn verify_entered_step_1(void *opaque)
+{
+    Coroutine *self = qemu_coroutine_self();
+    Coroutine *coroutine;
+
+    g_assert(qemu_coroutine_entered(self));
+
+    coroutine = qemu_coroutine_create(verify_entered_step_2, self);
+    g_assert(!qemu_coroutine_entered(coroutine));
+    qemu_coroutine_enter(coroutine);
+    g_assert(!qemu_coroutine_entered(coroutine));
+    qemu_coroutine_enter(coroutine);
+}
+
+static void test_entered(void)
+{
+    Coroutine *coroutine;
+
+    coroutine = qemu_coroutine_create(verify_entered_step_1, NULL);
+    g_assert(!qemu_coroutine_entered(coroutine));
+    qemu_coroutine_enter(coroutine);
+}
+
+/*
  * Check that coroutines may nest multiple levels
  */
 
@@ -389,6 +430,7 @@ int main(int argc, char **argv)
     g_test_add_func("/basic/yield", test_yield);
     g_test_add_func("/basic/nesting", test_nesting);
     g_test_add_func("/basic/self", test_self);
+    g_test_add_func("/basic/entered", test_entered);
     g_test_add_func("/basic/in_coroutine", test_in_coroutine);
     g_test_add_func("/basic/order", test_order);
     if (g_test_perf()) {
-- 
2.7.4




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