179     Coroutine *c1;  in test_no_dangling_access()  local
184     c1 = qemu_coroutine_create(c1_fn, c2);  in test_no_dangling_access()
186     qemu_coroutine_enter(c1);  in test_no_dangling_access()
188     /* c1 shouldn't be used any more now; make sure we segfault if it is */  in test_no_dangling_access()
189     tmp = *c1;  in test_no_dangling_access()
190     memset(c1, 0xff, sizeof(Coroutine));  in test_no_dangling_access()
194     *c1 = tmp;  in test_no_dangling_access()
226     Coroutine *c1 = qemu_coroutine_create(entry, opaque);  in do_test_co_mutex()  local
230     qemu_coroutine_enter(c1);  in do_test_co_mutex()
234     /* Unlock queues c2.  It is then started automatically when c1 yields or  in do_test_co_mutex()
237     qemu_coroutine_enter(c1);  in do_test_co_mutex()
271  * | c1           | c2         |
308     Coroutine *c1, *c2;  in test_co_rwlock_upgrade()  local
311     c1 = qemu_coroutine_create(rwlock_yield_upgrade, &c1_done);  in test_co_rwlock_upgrade()
314     qemu_coroutine_enter(c1);  in test_co_rwlock_upgrade()
317     /* c1 now should go to sleep.  */  in test_co_rwlock_upgrade()
318     qemu_coroutine_enter(c1);  in test_co_rwlock_upgrade()
372  * | c1     | c2         | c3         | c4         |
399     Coroutine *c1, *c2, *c3, *c4;  in test_co_rwlock_downgrade()  local
403     c1 = qemu_coroutine_create(rwlock_rdlock_yield, &c1_done);  in test_co_rwlock_downgrade()
408     qemu_coroutine_enter(c1);  in test_co_rwlock_downgrade()
413     qemu_coroutine_enter(c1);  in test_co_rwlock_downgrade()
419     qemu_coroutine_enter(c1);  in test_co_rwlock_downgrade()