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/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* define the task identifier of all compiled tasks */
#ifndef __TASK_ID_H
#define __TASK_ID_H
/* define the name of the header containing the list of tasks */
#define STRINGIFY0(name) #name
#define STRINGIFY(name) STRINGIFY0(name)
#define TASK_LIST STRINGIFY(TASKFILE)
/* Task identifier (8 bits) */
typedef uint8_t task_id_t;
/**
* enumerate all tasks in the priority order
*
* the identifier of a task can be retrieved using the following constant:
* TASK_ID_<taskname> where <taskname> is the first parameter passed to the
* TASK macro in the TASK_LIST file.
*/
#define TASK(n, r, d) TASK_ID_##n,
#include TASK_LIST
enum {
TASK_ID_IDLE,
/* CONFIG_TASK_LIST is a macro coming from the TASK_LIST file */
CONFIG_TASK_LIST
/* Number of tasks */
TASK_ID_COUNT,
/* Special task identifiers */
TASK_ID_TIMER = 0x1f, /* message from an expired timer */
TASK_ID_CURRENT = 0xfe, /* the currently running task */
TASK_ID_INVALID = 0xff /* unable to find the task */
};
#undef TASK
#endif /* __TASK_ID_H */
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