Split utilities functions into separate files

src/utilities/threadutils.cpp

@@ -0,0 +1,59 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ * Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <QtGlobal>
+
+#ifdef Q_OS_LINUX
+#  include <unistd.h>
+#  include <sys/syscall.h>
+#endif
+
+#ifdef Q_OS_MACOS
+#  include <sys/resource.h>
+#endif
+
+#include "threadutils.h"
+
+namespace Utilities {
+
+long SetThreadIOPriority(const IoPriority priority) {
+
+#ifdef Q_OS_LINUX
+  return syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, GetThreadId(), 4 | priority << IOPRIO_CLASS_SHIFT);
+#elif defined(Q_OS_MACOS)
+  return setpriority(PRIO_DARWIN_THREAD, 0, priority == IOPRIO_CLASS_IDLE ? PRIO_DARWIN_BG : 0);
+#else
+  Q_UNUSED(priority);
+  return 0;
+#endif
+
+}
+
+long GetThreadId() {
+
+#ifdef Q_OS_LINUX
+  return syscall(SYS_gettid);
+#else
+  return 0;
+#endif
+
+}
+
+}  // namespace Utilities