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Disable logic during suspend to avoid race conditions

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This commit is contained in:
Werner Sembach 2024-09-05 11:01:50 +02:00
parent fe34fb63f7
commit ec2f276ef9
1 changed files with 41 additions and 34 deletions
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75
setup-kde.cpp
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@ -31,58 +31,63 @@ using std::endl;
int lockfile;
gboolean isMousePluggedInPrev;
gboolean isEnabledSave;
gboolean isSuspending;
GDBusProxy *kded_modules_touchpad = NULL;
GDBusProxy *solid_power_management = NULL;
static void kded_modules_touchpad_handler(GDBusProxy *proxy, __attribute__((unused)) char *sender_name, char *signal_name, GVariant *parameters, __attribute__((unused)) gpointer user_data) {
if (!strcmp("enabledChanged", signal_name) && g_variant_is_of_type(parameters, (const GVariantType *)"(b)") && g_variant_n_children(parameters)) {
GVariant *enabledChanged = g_variant_get_child_value(parameters, 0);
isEnabledSave = g_variant_get_boolean(enabledChanged);
if (isEnabledSave) {
if (set_touchpad_state(1)) {
cerr << "kded_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
}
}
else {
if (set_touchpad_state(0)) {
cerr << "kded_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
}
}
g_variant_unref(enabledChanged);
}
else if (!strcmp("mousePluggedInChanged", signal_name) && g_variant_is_of_type(parameters, (const GVariantType *)"(b)") && g_variant_n_children(parameters)) {
GVariant *isMousePluggedInParam = g_dbus_proxy_call_sync(proxy, "isMousePluggedIn", NULL, G_DBUS_CALL_FLAGS_NONE, G_MAXINT, NULL, NULL);
if (isMousePluggedInParam != NULL && g_variant_is_of_type(isMousePluggedInParam, (const GVariantType *)"(b)") && g_variant_n_children(isMousePluggedInParam)) {
GVariant *isMousePluggedIn = g_variant_get_child_value(isMousePluggedInParam, 0);
if (isMousePluggedInPrev && !g_variant_get_boolean(isMousePluggedIn)) {
if (!isSuspending) {
if (!strcmp("enabledChanged", signal_name) && g_variant_is_of_type(parameters, (const GVariantType *)"(b)") && g_variant_n_children(parameters)) {
GVariant *enabledChanged = g_variant_get_child_value(parameters, 0);
isEnabledSave = g_variant_get_boolean(enabledChanged);
if (isEnabledSave) {
if (set_touchpad_state(1)) {
cerr << "kded_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
}
if (flock(lockfile, LOCK_UN)) {
cerr << "kded_modules_touchpad_handler(...): flock(...) failed." << endl;
}
}
else if (!isMousePluggedInPrev && g_variant_get_boolean(isMousePluggedIn)) {
if (flock(lockfile, LOCK_EX)) {
cerr << "kded_modules_touchpad_handler(...): flock(...) failed." << endl;
}
if (set_touchpad_state(isEnabledSave)) {
else {
if (set_touchpad_state(0)) {
cerr << "kded_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
}
}
isMousePluggedInPrev = g_variant_get_boolean(isMousePluggedIn);
g_variant_unref(isMousePluggedIn);
g_variant_unref(isMousePluggedInParam);
g_variant_unref(enabledChanged);
}
else {
cerr << "kded_modules_touchpad_handler(...): g_dbus_proxy_call_sync(...) failed." << endl;
else if (!strcmp("mousePluggedInChanged", signal_name) && g_variant_is_of_type(parameters, (const GVariantType *)"(b)") && g_variant_n_children(parameters)) {
GVariant *isMousePluggedInParam = g_dbus_proxy_call_sync(proxy, "isMousePluggedIn", NULL, G_DBUS_CALL_FLAGS_NONE, G_MAXINT, NULL, NULL);
if (isMousePluggedInParam != NULL && g_variant_is_of_type(isMousePluggedInParam, (const GVariantType *)"(b)") && g_variant_n_children(isMousePluggedInParam)) {
GVariant *isMousePluggedIn = g_variant_get_child_value(isMousePluggedInParam, 0);
if (isMousePluggedInPrev && !g_variant_get_boolean(isMousePluggedIn)) {
if (set_touchpad_state(1)) {
cerr << "kded_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
}
if (flock(lockfile, LOCK_UN)) {
cerr << "kded_modules_touchpad_handler(...): flock(...) failed." << endl;
}
}
else if (!isMousePluggedInPrev && g_variant_get_boolean(isMousePluggedIn)) {
if (flock(lockfile, LOCK_EX)) {
cerr << "kded_modules_touchpad_handler(...): flock(...) failed." << endl;
}
if (set_touchpad_state(isEnabledSave)) {
cerr << "kded_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
}
}
isMousePluggedInPrev = g_variant_get_boolean(isMousePluggedIn);
g_variant_unref(isMousePluggedIn);
g_variant_unref(isMousePluggedInParam);
}
else {
cerr << "kded_modules_touchpad_handler(...): g_dbus_proxy_call_sync(...) failed." << endl;
}
}
}
}
static void solid_power_management_handler(__attribute__((unused)) GDBusProxy *proxy, __attribute__((unused)) char *sender_name, char *signal_name, __attribute__((unused)) GVariant *parameters, __attribute__((unused)) gpointer user_data) {
if (!strcmp("aboutToSuspend", signal_name)) {
isSuspending = true;
if (set_touchpad_state(1)) {
cerr << "solid_power_management_handler(...): set_touchpad_state(...) failed." << endl;
}
@ -91,6 +96,8 @@ static void solid_power_management_handler(__attribute__((unused)) GDBusProxy *p
}
}
else if (!strcmp("resumingFromSuspend", signal_name)) {
isSuspending = false;
if (flock(lockfile, LOCK_EX)) {
cerr << "solid_power_management_handler(...): flock(...) failed." << endl;
}