Implemented linux ionice funtionality

globals.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+
+	"github.com/alitto/pond"
+)
+
+// Пул воркеров.
+var pool *pond.WorkerPool
+
+// Канал, в который приходят уведомления для хэндлера сигналов от траппера сигналов.
+var sigChan = make(chan os.Signal, 1)
+
+var kill = make(map[string]syscall.Signal)
+var renice = make(map[string]int)
+var ioreniceClass = make(map[string]uint32)
+var ioreniceClassdata = make(map[string]uint32)
+
+var NotImplementedError = fmt.Errorf("SYSCALL Not Implemented on current platform") //nolint:revive,stylecheck
+
+const IOPRIO_CLASS_NONE = uint32(0) //nolint:revive,stylecheck
+const IOPRIO_CLASS_RT = uint32(1)   //nolint:revive,stylecheck
+const IOPRIO_CLASS_BE = uint32(2)   //nolint:revive,stylecheck
+const IOPRIO_CLASS_IDLE = uint32(3) //nolint:revive,stylecheck
+
+const IOPRIO_WHO_PROCESS = 1 //nolint:revive,stylecheck
+const IOPRIO_WHO_PGRP = 2    //nolint:revive,stylecheck
+const IOPRIO_WHO_USER = 3    //nolint:revive,stylecheck
+
+const IOPRIO_CLASS_SHIFT = uint32(13)                            //nolint:revive,stylecheck
+const IOPRIO_PRIO_MASK = ((uint32(1) << IOPRIO_CLASS_SHIFT) - 1) //nolint:revive,stylecheck
+
+var ClassToString = map[uint32]string{
+	IOPRIO_CLASS_NONE: "none",
+	IOPRIO_CLASS_RT:   "realtime",
+	IOPRIO_CLASS_BE:   "best-effort",
+	IOPRIO_CLASS_IDLE: "idle",
+}
+
+var StringToClass = map[string]uint32{
+	"none":        IOPRIO_CLASS_NONE,
+	"0":           IOPRIO_CLASS_NONE,
+	"realtime":    IOPRIO_CLASS_RT,
+	"1":           IOPRIO_CLASS_RT,
+	"best-effort": IOPRIO_CLASS_BE,
+	"2":           IOPRIO_CLASS_BE,
+	"idle":        IOPRIO_CLASS_IDLE,
+	"3":           IOPRIO_CLASS_IDLE,
+}
+
+/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */