| Message ID | 20221006151927.2079583-13-bmeng.cn@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | tests/qtest: Enable running qtest on Windows | expand |
Hi On Thu, Oct 6, 2022 at 8:12 PM Bin Meng <bmeng.cn@gmail.com> wrote: > From: Xuzhou Cheng <xuzhou.cheng@windriver.com> > > Make sure QEMU process "to" exited before launching another target > for migration in the test_multifd_tcp_cancel case. > > Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com> > Signed-off-by: Bin Meng <bin.meng@windriver.com> > --- > > (no changes since v3) > > Changes in v3: > - Add a usleep(1) in the busy wait loop > > Changes in v2: > - Change to a busy wait after migration is canceled > > tests/qtest/migration-test.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c > index ef4427ff4d..e5ba0e21d2 100644 > --- a/tests/qtest/migration-test.c > +++ b/tests/qtest/migration-test.c > @@ -2140,6 +2140,10 @@ static void test_multifd_tcp_cancel(void) > wait_for_migration_pass(from); > > migrate_cancel(from); > + /* Make sure QEMU process "to" exited */ > + while (qtest_probe_child(to)) { > + usleep(1); > + } > > As discussed earlier, I think we can introduce a qtest_wait_qemu() instead, something like that should work: -void qtest_kill_qemu(QTestState *s) +static void qtest_check_status(QTestState *s) { - pid_t pid = s->qemu_pid; -#ifndef _WIN32 - int wstatus; -#else - DWORD ret, exit_code; -#endif - - /* Skip wait if qtest_probe_child already reaped. */ - if (pid != -1) { -#ifndef _WIN32 - kill(pid, SIGTERM); - TFR(pid = waitpid(s->qemu_pid, &s->wstatus, 0)); - assert(pid == s->qemu_pid); -#else - TerminateProcess((HANDLE)pid, s->expected_status); - ret = WaitForSingleObject((HANDLE)pid, INFINITE); - assert(ret == WAIT_OBJECT_0); -#endif - s->qemu_pid = -1; - } - /* * Check whether qemu exited with expected exit status; anything else is * fishy and should be logged with as much detail as possible. */ #ifndef _WIN32 - wstatus = s->wstatus; + int wstatus = s->wstatus; if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) != s->expected_status) { fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU " "process but encountered exit status %d (expected %d)\n", @@ -208,17 +191,50 @@ void qtest_kill_qemu(QTestState *s) abort(); } #else - GetExitCodeProcess((HANDLE)pid, &exit_code); - CloseHandle((HANDLE)pid); - if (exit_code != s->expected_status) { + if (s->exit_code != s->expected_status) { fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU " "process but encountered exit status %ld (expected %d)\n", - __FILE__, __LINE__, exit_code, s->expected_status); + __FILE__, __LINE__, s->exit_code, s->expected_status); abort(); } #endif } +void qtest_kill_qemu(QTestState *s) +{ + /* Skip wait if qtest_probe_child already reaped. */ + if (s->qemu_pid != -1) { +#ifndef _WIN32 + kill(s->qemu_pid, SIGTERM); +#else + TerminateProcess((HANDLE)s->qemu_pid, s->expected_status); +#endif + qtest_wait_qemu(s); + s->qemu_pid = -1; + } + + qtest_check_status(s); +} + +void qtest_wait_qemu(QTestState *s) +{ +#ifndef _WIN32 + pid_t pid; + + TFR(pid = waitpid(s->qemu_pid, &s->wstatus, 0)); + assert(pid == s->qemu_pid); +#else + DWORD ret; + + ret = WaitForSingleObject((HANDLE)s->qemu_pid, INFINITE); + assert(ret == WAIT_OBJECT_0); + GetExitCodeProcess((HANDLE)s->qemu_pid, &s->exit_code); + CloseHandle((HANDLE)s->qemu_pid); +#endif + + qtest_check_status(s); +} + static void kill_qemu_hook_func(void *s) { qtest_kill_qemu(s);
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index ef4427ff4d..e5ba0e21d2 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -2140,6 +2140,10 @@ static void test_multifd_tcp_cancel(void) wait_for_migration_pass(from); migrate_cancel(from); + /* Make sure QEMU process "to" exited */ + while (qtest_probe_child(to)) { + usleep(1); + } args = (MigrateStart){ .only_target = true,