diff options
| -rw-r--r-- | tests/qtest/libqtest.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c index 4a4697c0d1..2e49618454 100644 --- a/tests/qtest/libqtest.c +++ b/tests/qtest/libqtest.c @@ -19,6 +19,9 @@ #include <sys/socket.h> #include <sys/wait.h> #include <sys/un.h> +#ifdef __linux__ +#include <sys/prctl.h> +#endif /* __linux__ */ #include "libqtest.h" #include "libqmp.h" @@ -301,6 +304,20 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args) s->expected_status = 0; s->qemu_pid = fork(); if (s->qemu_pid == 0) { +#ifdef __linux__ + /* + * Although we register a ABRT handler to kill off QEMU + * when g_assert() triggers, we want an extra safety + * net. The QEMU process might be non-functional and + * thus not have responded to SIGTERM. The test script + * might also have crashed with SEGV, in which case the + * cleanup handlers won't ever run. + * + * This PR_SET_PDEATHSIG setup will ensure any remaining + * QEMU will get terminated with SIGKILL in these cases. + */ + prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); +#endif /* __linux__ */ if (!g_setenv("QEMU_AUDIO_DRV", "none", true)) { exit(1); } |