Previously libqtest.c set PR_SET_PDEATHSIG (or the equivalent on
FreeBSD) after forking the qemu subprocess. However we can get the
same behaviour now by using the new -run-with exit-with-parent=on
flag, on platforms that support it.
---
tests/qtest/libqtest.c | 21 +++------------------
1 file changed, 3 insertions(+), 18 deletions(-)
diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index 933d085869..12f865b805 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -433,24 +433,6 @@ static QTestState *qtest_spawn_qemu(const char *qemu_bin,
const char *args,
#ifndef _WIN32
pid = fork();
if (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__ */
-#ifdef __FreeBSD__
- int sig = SIGKILL;
- procctl(P_PID, getpid(), PROC_PDEATHSIG_CTL, &sig);
-#endif /* __FreeBSD__ */
execlp("/bin/sh", "sh", "-c", command->str, NULL);
exit(1);
}
@@ -481,6 +463,9 @@ gchar *qtest_qemu_args(const char *extra_args)
"-mon chardev=char0,mode=control "
"-display none "
"-audio none "
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)
+ "-run-with exit-with-parent=on "
+#endif
"%s"
" -accel qtest",
--
2.50.1