Hi Frédéric,
On Fri, Jun 10, 2022 at 12:30 AM Frédéric Danis
<frederic.danis@xxxxxxxxxxxxx> wrote:
>
> Kernel events should have been managed so the audio card is accessible
> from PipeWire
> ---
> tools/test-runner.c | 83 +++++++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 80 insertions(+), 3 deletions(-)
>
> diff --git a/tools/test-runner.c b/tools/test-runner.c
> index bbbca5b5d..e79e3b6e9 100644
> --- a/tools/test-runner.c
> +++ b/tools/test-runner.c
> @@ -251,13 +251,14 @@ static void start_qemu(void)
> "rootfstype=9p "
> "rootflags=trans=virtio,version=9p2000.L "
> "acpi=off pci=noacpi noapic quiet ro init=%s "
> - "bluetooth.enable_ecred=1"
> + "bluetooth.enable_ecred=1 "
> "TESTHOME=%s TESTDBUS=%u TESTDAEMON=%u "
> "TESTDBUSSESSION=%u XDG_RUNTIME_DIR=/run/user/0 "
> + "AUDIO_SUPPORT=%u "
Lets name these TESTAUDIO instead of AUDIO_SUPPORT so it is consistent
with the other parameters like it.
> "TESTMONITOR=%u TESTEMULATOR=%u TESTDEVS=%d "
> "TESTAUTO=%u TESTARGS=\'%s\'",
> initcmd, cwd, start_dbus, start_daemon,
> - start_dbus_session,
> + start_dbus_session, audio_support,
> start_monitor, start_emulator, num_devs,
> run_auto, testargs);
>
> @@ -724,13 +725,70 @@ static pid_t start_btvirt(const char *home)
> return pid;
> }
>
> +static void trigger_udev(void)
> +{
> + char *argv[3], *envp[1];
> + pid_t pid;
> +
> + argv[0] = "/bin/udevadm";
> + argv[1] = "trigger";
> + argv[2] = NULL;
> +
> + envp[0] = NULL;
> +
> + printf("Triggering udev events\n");
> +
> + pid = fork();
> + if (pid < 0) {
> + perror("Failed to fork new process");
> + return;
> + }
> +
> + if (pid == 0) {
> + execve(argv[0], argv, envp);
> + exit(EXIT_SUCCESS);
> + }
> +
> + printf("udev trigger process %d created\n", pid);
> +}
> +
> +static pid_t start_udevd(void)
> +{
> + char *argv[2], *envp[1];
> + pid_t pid;
> +
> + argv[0] = "/lib/systemd/systemd-udevd";
> + argv[1] = NULL;
> +
> + envp[0] = NULL;
> +
> + printf("Starting udevd daemon\n");
> +
> + pid = fork();
> + if (pid < 0) {
> + perror("Failed to fork new process");
> + return -1;
> + }
> +
> + if (pid == 0) {
> + execve(argv[0], argv, envp);
> + exit(EXIT_SUCCESS);
> + }
> +
> + printf("udevd daemon process %d created\n", pid);
> +
> + trigger_udev();
> +
> + return pid;
> +}
> +
> static void run_command(char *cmdname, char *home)
> {
> char *argv[9], *envp[3];
> int pos = 0, idx = 0;
> int serial_fd;
> pid_t pid, dbus_pid, daemon_pid, monitor_pid, emulator_pid,
> - dbus_session_pid;
> + dbus_session_pid, udevd_pid;
>
> if (num_devs) {
> const char *node = "/dev/ttyS1";
> @@ -746,6 +804,11 @@ static void run_command(char *cmdname, char *home)
> } else
> serial_fd = -1;
>
> + if (audio_support)
> + udevd_pid = start_udevd();
> + else
> + udevd_pid = -1;
> +
> if (start_dbus) {
> create_dbus_system_conf();
> dbus_pid = start_dbus_daemon(false);
> @@ -874,6 +937,11 @@ start_next:
> monitor_pid = -1;
> }
>
> + if (corpse == udevd_pid) {
> + printf("udevd terminated\n");
> + udevd_pid = -1;
> + }
> +
> if (corpse == pid)
> break;
> }
> @@ -898,6 +966,9 @@ start_next:
> if (monitor_pid > 0)
> kill(monitor_pid, SIGTERM);
>
> + if (udevd_pid > 0)
> + kill(udevd_pid, SIGTERM);
> +
> if (serial_fd >= 0) {
> close(serial_fd);
> serial_fd = -1;
> @@ -980,6 +1051,12 @@ static void run_tests(void)
> start_emulator = true;
> }
>
> + ptr = strstr(cmdline, "AUDIO_SUPPORT=1");
> + if (ptr) {
> + printf("Audio support requested\n");
> + audio_support = true;
> + }
> +
> ptr = strstr(cmdline, "TESTHOME=");
> if (ptr) {
> home = ptr + 4;
> --
> 2.25.1
>
--
Luiz Augusto von Dentz
