Define a function to create a QTestState object representing the state of QEMU after old QEMU exec's new QEMU. This is needed for testing the cpr-exec migration mode.
Signed-off-by: Steve Sistare <[email protected]> --- tests/qtest/libqtest.h | 8 ++++++++ tests/qtest/libqtest.c | 19 +++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/tests/qtest/libqtest.h b/tests/qtest/libqtest.h index a164f58..ce6b9b0 100644 --- a/tests/qtest/libqtest.h +++ b/tests/qtest/libqtest.h @@ -57,6 +57,14 @@ QTestState *qtest_vinitf(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0); const char *qtest_qemu_binary(const char *var); /** + * qtest_init_after_exec: + * @from: the previous QEMU state + * + * Return a test state representing new QEMU after @from exec's it. + */ +QTestState *qtest_init_after_exec(QTestState *from); + +/** * qtest_qemu_args: * @extra_args: Other arguments to pass to QEMU. * diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c index d97144e..3522d75 100644 --- a/tests/qtest/libqtest.c +++ b/tests/qtest/libqtest.c @@ -615,6 +615,25 @@ QTestState *qtest_init_ext(const char *var, const char *extra_args, return s; } +static QTestState *qtest_attach_qemu(const char *qemu_bin, + const char *extra_args, + void *opaque) +{ + int pid = *(int *)opaque; + return qtest_create_test_state(pid); +} + +QTestState *qtest_init_after_exec(QTestState *from) +{ + void *opaque = (void *)&from->qemu_pid; + QTestState *s; + + s = qtest_init_internal(NULL, NULL, true, qtest_attach_qemu, opaque); + from->qemu_pid = -1; + qtest_qmp_handshake(s, NULL); + return s; +} + QTestState *qtest_init(const char *extra_args) { return qtest_init_ext(NULL, extra_args, NULL, true); -- 1.8.3.1
