Merge tag 'pull-request-2022-10-12' of https://gitlab.com/thuth/qemu into staging

* Rework of qtests to support hot plugging tests on q35
* New VNC qtest
* Fixes related to temporary file handling in the tests
* Use signal() instead of sigaction() since the latter does not work on Windows
* Some other small clean-ups

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# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-10-12' of https://gitlab.com/thuth/qemu:
  tests/unit/test-image-locking: Fix handling of temporary files
  tests/qtest: libqtest: Install signal handler via signal()
  tests/qtest: migration-test: Avoid using hardcoded /tmp
  qtest: start a VNC test
  tests/avocado: Add missing require_netdev('user') checks
  tests/x86: Add 'q35' machine type to ivshmem-test
  tests/x86: Add 'q35' machine type to drive_del-test
  tests/x86: replace snprint() by g_strdup_printf() in drive_del-test
  tests/x86: Fix comment typo in drive_del-test
  tests/x86: Add 'q35' machine type to hotplug hd-geo-test
  tests/x86: Add 'q35' machine type to override-tests in hd-geo-test
  tests/x86: Refactor hot unplug hd-geo-test
  tests/x86: Add subtest with 'q35' machine type to device-plug-test
  tests/x86: add helper qtest_qmp_device_del_send()
  tests/migration: remove the unused local variable
  qtest: "-display none" is set in qtest_init()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 13 insertions, 17 deletions

diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index 4f4b2d6477..b23eb3edc3 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -66,7 +66,7 @@ struct QTestState
 };
 
 static GHookList abrt_hooks;
-static struct sigaction sigact_old;
+static void (*sighandler_old)(int);
 
 static int qtest_query_target_endianness(QTestState *s);
 
@@ -179,20 +179,12 @@ static void sigabrt_handler(int signo)
 
 static void setup_sigabrt_handler(void)
 {
-    struct sigaction sigact;
-
-    /* Catch SIGABRT to clean up on g_assert() failure */
-    sigact = (struct sigaction){
-        .sa_handler = sigabrt_handler,
-        .sa_flags = SA_RESETHAND,
-    };
-    sigemptyset(&sigact.sa_mask);
-    sigaction(SIGABRT, &sigact, &sigact_old);
+    sighandler_old = signal(SIGABRT, sigabrt_handler);
 }
 
 static void cleanup_sigabrt_handler(void)
 {
-    sigaction(SIGABRT, &sigact_old, NULL);
+    signal(SIGABRT, sighandler_old);
 }
 
 static bool hook_list_is_empty(GHookList *hook_list)
@@ -1371,15 +1363,19 @@ void qtest_qmp_add_client(QTestState *qts, const char *protocol, int fd)
  *
  * {"return": {}}
  */
-void qtest_qmp_device_del(QTestState *qts, const char *id)
+void qtest_qmp_device_del_send(QTestState *qts, const char *id)
 {
-    QDict *rsp;
-
-    rsp = qtest_qmp(qts, "{'execute': 'device_del', 'arguments': {'id': %s}}",
-                    id);
-
+    QDict *rsp = qtest_qmp(qts, "{'execute': 'device_del', "
+                                "'arguments': {'id': %s}}", id);
+    g_assert(rsp);
     g_assert(qdict_haskey(rsp, "return"));
+    g_assert(!qdict_haskey(rsp, "error"));
     qobject_unref(rsp);
+}
+
+void qtest_qmp_device_del(QTestState *qts, const char *id)
+{
+    qtest_qmp_device_del_send(qts, id);
     qtest_qmp_eventwait(qts, "DEVICE_DELETED");
 }