Hi On Tue, Aug 27, 2019 at 4:09 PM Yury Kotov <yury-ko...@yandex-team.ru> wrote: > > Add qtest_set_expected_status function to set expected exit status of > child process. By default expected exit status is 0. > > Signed-off-by: Yury Kotov <yury-ko...@yandex-team.ru> > --- > tests/libqtest.c | 14 +++++++++++--- > tests/libqtest.h | 9 +++++++++ > 2 files changed, 20 insertions(+), 3 deletions(-) >
I sent a vary similar patch with v1 of dbus-vmstate, and dropped it because it no longer needs it in v2 (for now) "tests: add qtest_set_exit_status()". Your function is better named already. > diff --git a/tests/libqtest.c b/tests/libqtest.c > index 2713b86cf7..118d779c1b 100644 > --- a/tests/libqtest.c > +++ b/tests/libqtest.c > @@ -43,6 +43,7 @@ struct QTestState > int qmp_fd; > pid_t qemu_pid; /* our child QEMU process */ > int wstatus; > + int expected_status; > bool big_endian; > bool irq_level[MAX_IRQ]; > GString *rx; > @@ -113,6 +114,11 @@ bool qtest_probe_child(QTestState *s) > return false; > } > > +void qtest_set_expected_status(QTestState *s, int status) > +{ > + s->expected_status = status; > +} > + > static void kill_qemu(QTestState *s) > { > pid_t pid = s->qemu_pid; > @@ -130,11 +136,12 @@ static void kill_qemu(QTestState *s) > * fishy and should be logged with as much detail as possible. > */ > wstatus = s->wstatus; > - if (wstatus) { > + if (WEXITSTATUS(wstatus) != s->expected_status) { Shouldn't it check WEXITSTATUS value only when WIFEXITED ? > if (WIFEXITED(wstatus)) { > fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU " > - "process but encountered exit status %d\n", > - __FILE__, __LINE__, WEXITSTATUS(wstatus)); > + "process but encountered exit status %d (expected %d)\n", > + __FILE__, __LINE__, WEXITSTATUS(wstatus), > + s->expected_status); > } else if (WIFSIGNALED(wstatus)) { > int sig = WTERMSIG(wstatus); > const char *signame = strsignal(sig) ?: "unknown ???"; > @@ -248,6 +255,7 @@ QTestState *qtest_init_without_qmp_handshake(const char > *extra_args) > g_test_message("starting QEMU: %s", command); > > s->wstatus = 0; > + s->expected_status = 0; > s->qemu_pid = fork(); > if (s->qemu_pid == 0) { > setenv("QEMU_AUDIO_DRV", "none", true); > diff --git a/tests/libqtest.h b/tests/libqtest.h > index 07ea35867c..c00bca94af 100644 > --- a/tests/libqtest.h > +++ b/tests/libqtest.h > @@ -997,4 +997,13 @@ void qmp_assert_error_class(QDict *rsp, const char > *class); > */ > bool qtest_probe_child(QTestState *s); > > +/** > + * qtest_set_expected_status: > + * @s: QTestState instance to operate on. > + * @status: an expected exit status. > + * > + * Set expected exit status of the child. > + */ > +void qtest_set_expected_status(QTestState *s, int status); > + > #endif > -- > 2.22.0 > > -- Marc-André Lureau