From 7c2eed3efa86c19436bc33372bfa9d7fbb6fda2c Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Tue, 10 Feb 2015 11:15:59 +0100 Subject: [PATCH] test-coroutine: Regression test for yield bug This adds a test for reentering a coroutine that previously yielded to a coroutine that has meanwhile terminated. Signed-off-by: Stefan Hajnoczi Reviewed-by: Paolo Bonzini Signed-off-by: Kevin Wolf --- tests/test-coroutine.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tests/test-coroutine.c b/tests/test-coroutine.c index 27d1b6f8e8..b552d9f5e9 100644 --- a/tests/test-coroutine.c +++ b/tests/test-coroutine.c @@ -13,6 +13,7 @@ #include #include "block/coroutine.h" +#include "block/coroutine_int.h" /* * Check that qemu_in_coroutine() works @@ -122,6 +123,30 @@ static void test_yield(void) g_assert_cmpint(i, ==, 5); /* coroutine must yield 5 times */ } +static void coroutine_fn c2_fn(void *opaque) +{ + qemu_coroutine_yield(); +} + +static void coroutine_fn c1_fn(void *opaque) +{ + Coroutine *c2 = opaque; + qemu_coroutine_enter(c2, NULL); +} + +static void test_co_queue(void) +{ + Coroutine *c1; + Coroutine *c2; + + c1 = qemu_coroutine_create(c1_fn); + c2 = qemu_coroutine_create(c2_fn); + + qemu_coroutine_enter(c1, c2); + memset(c1, 0xff, sizeof(Coroutine)); + qemu_coroutine_enter(c2, NULL); +} + /* * Check that creation, enter, and return work */ @@ -343,6 +368,7 @@ static void perf_cost(void) int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); + g_test_add_func("/basic/co_queue", test_co_queue); g_test_add_func("/basic/lifecycle", test_lifecycle); g_test_add_func("/basic/yield", test_yield); g_test_add_func("/basic/nesting", test_nesting); -- GitLab