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rtdef.h
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/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2007-01-10 Bernard the first version
* 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef
* 2010-10-26 yi.qiu add module support
* 2010-11-10 Bernard add cleanup callback function in thread exit.
* 2011-05-09 Bernard use builtin va_arg in GCC 4.x
* 2012-11-16 Bernard change RT_NULL from ((void*)0) to 0.
* 2012-12-29 Bernard change the RT_USING_MEMPOOL location and add
* RT_USING_MEMHEAP condition.
* 2012-12-30 Bernard add more control command for graphic.
* 2013-01-09 Bernard change version number.
* 2015-02-01 Bernard change version number to v2.1.0
* 2017-08-31 Bernard change version number to v3.0.0
* 2017-11-30 Bernard change version number to v3.0.1
* 2017-12-27 Bernard change version number to v3.0.2
* 2018-02-24 Bernard change version number to v3.0.3
* 2018-04-25 Bernard change version number to v3.0.4
* 2018-05-31 Bernard change version number to v3.1.0
* 2018-09-04 Bernard change version number to v3.1.1
* 2018-09-14 Bernard apply Apache License v2.0 to RT-Thread Kernel
* 2018-10-13 Bernard change version number to v4.0.0
* 2018-10-02 Bernard add 64bit arch support
* 2018-11-22 Jesven add smp member to struct rt_thread
* add struct rt_cpu
* add smp relevant macros
* 2019-01-27 Bernard change version number to v4.0.1
* 2019-05-17 Bernard change version number to v4.0.2
* 2019-12-20 Bernard change version number to v4.0.3
* 2020-08-10 Meco Man add macro for struct rt_device_ops
* 2020-10-23 Meco Man define maximum value of ipc type
* 2021-03-19 Meco Man add security devices
* 2021-05-10 armink change version number to v4.0.4
* 2021-11-19 Meco Man change version number to v4.1.0
* 2021-12-21 Meco Man re-implement RT_UNUSED
* 2022-01-01 Gabriel improve hooking method
* 2022-01-07 Gabriel move some __on_rt_xxxxx_hook to dedicated c source files
* 2022-01-12 Meco Man remove RT_THREAD_BLOCK
* 2022-04-20 Meco Man change version number to v4.1.1
* 2022-04-21 THEWON add macro RT_VERSION_CHECK
* 2022-06-29 Meco Man add RT_USING_LIBC and standard libc headers
* 2022-08-16 Meco Man change version number to v5.0.0
* 2022-09-12 Meco Man define rt_ssize_t
* 2022-12-20 Meco Man add const name for rt_object
* 2023-04-01 Chushicheng change version number to v5.0.1
* 2023-05-20 Bernard add stdc atomic detection.
* 2023-09-15 xqyjlj perf rt_hw_interrupt_disable/enable
* 2023-10-10 Chushicheng change version number to v5.1.0
* 2023-10-11 zmshahaha move specific devices related and driver to components/drivers
* 2023-11-21 Meco Man add RT_USING_NANO macro
* 2023-11-17 xqyjlj add process group and session support
* 2023-12-01 Shell Support of dynamic device
* 2023-12-18 xqyjlj add rt_always_inline
* 2023-12-22 Shell Support hook list
* 2024-01-18 Shell Seperate basical types to a rttypes.h
* Seperate the compiler portings to rtcompiler.h
* 2024-03-30 Meco Man update version number to v5.2.0
*/
#ifndef __RT_DEF_H__
#define __RT_DEF_H__
#include "rtsched.h"
#include "rttypes.h"
#include "klibc/kerrno.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup group_BasicDef
*/
/**@{*/
/* RT-Thread version information */
#define RT_VERSION_MAJOR 5 /**< Major version number (X.x.x) */
#define RT_VERSION_MINOR 2 /**< Minor version number (x.X.x) */
#define RT_VERSION_PATCH 1 /**< Patch version number (x.x.X) */
/* e.g. #if (RTTHREAD_VERSION >= RT_VERSION_CHECK(4, 1, 0) */
#define RT_VERSION_CHECK(major, minor, revise) ((major * 10000U) + (minor * 100U) + revise)
/* RT-Thread version */
#define RTTHREAD_VERSION RT_VERSION_CHECK(RT_VERSION_MAJOR, RT_VERSION_MINOR, RT_VERSION_PATCH)
/**@}*/
/* maximum value of base type */
#ifdef RT_USING_LIBC
#define RT_UINT8_MAX UINT8_MAX /**< Maximum number of UINT8 */
#define RT_UINT16_MAX UINT16_MAX /**< Maximum number of UINT16 */
#define RT_UINT32_MAX UINT32_MAX /**< Maximum number of UINT32 */
#define RT_UINT64_MAX UINT64_MAX /**< Maximum number of UINT64 */
#else
#define RT_UINT8_MAX 0xFFU /**< Maximum number of UINT8 */
#define RT_UINT16_MAX 0xFFFFU /**< Maximum number of UINT16 */
#define RT_UINT32_MAX 0xFFFFFFFFUL /**< Maximum number of UINT32 */
#define RT_UINT64_MAX 0xFFFFFFFFFFFFFFFFULL /**< Maximum number of UINT64 */
#endif /* RT_USING_LIBC */
#define RT_TICK_MAX RT_UINT32_MAX /**< Maximum number of tick */
/* maximum value of ipc type */
#define RT_SEM_VALUE_MAX RT_UINT16_MAX /**< Maximum number of semaphore .value */
#define RT_MUTEX_VALUE_MAX RT_UINT16_MAX /**< Maximum number of mutex .value */
#define RT_MUTEX_HOLD_MAX RT_UINT8_MAX /**< Maximum number of mutex .hold */
#define RT_MB_ENTRY_MAX RT_UINT16_MAX /**< Maximum number of mailbox .entry */
#define RT_MQ_ENTRY_MAX RT_UINT16_MAX /**< Maximum number of message queue .entry */
/* Common Utilities */
#define RT_UNUSED(x) ((void)(x))
/* compile time assertion */
#define RT_STATIC_ASSERT(name, expn) typedef char _static_assert_##name[(expn)?1:-1]
/* Compiler Related Definitions */
#include "rtcompiler.h"
/* initialization export */
#ifdef RT_USING_COMPONENTS_INIT
typedef int (*init_fn_t)(void);
#ifdef _MSC_VER
#pragma section("rti_fn$f",read)
#ifdef RT_DEBUGING_AUTO_INIT
struct rt_init_desc
{
const char* level;
const init_fn_t fn;
const char* fn_name;
};
#define INIT_EXPORT(fn, level) \
const char __rti_level_##fn[] = ".rti_fn." level; \
const char __rti_##fn##_name[] = #fn; \
__declspec(allocate("rti_fn$f")) \
rt_used const struct rt_init_desc __rt_init_msc_##fn = \
{__rti_level_##fn, fn, __rti_##fn##_name};
#else
struct rt_init_desc
{
const char* level;
const init_fn_t fn;
};
#define INIT_EXPORT(fn, level) \
const char __rti_level_##fn[] = ".rti_fn." level; \
__declspec(allocate("rti_fn$f")) \
rt_used const struct rt_init_desc __rt_init_msc_##fn = \
{__rti_level_##fn, fn };
#endif /* RT_DEBUGING_AUTO_INIT */
#else
#ifdef RT_DEBUGING_AUTO_INIT
struct rt_init_desc
{
const char* fn_name;
const init_fn_t fn;
};
#define INIT_EXPORT(fn, level) \
const char __rti_##fn##_name[] = #fn; \
rt_used const struct rt_init_desc __rt_init_desc_##fn rt_section(".rti_fn." level) = \
{ __rti_##fn##_name, fn};
#else
#define INIT_EXPORT(fn, level) \
rt_used const init_fn_t __rt_init_##fn rt_section(".rti_fn." level) = fn
#endif /* RT_DEBUGING_AUTO_INIT */
#endif /* _MSC_VER */
#else
#define INIT_EXPORT(fn, level)
#endif /* RT_USING_COMPONENTS_INIT */
/* board init routines will be called in board_init() function */
#define INIT_BOARD_EXPORT(fn) INIT_EXPORT(fn, "1")
/* init cpu, memory, interrupt-controller, bus... */
#define INIT_CORE_EXPORT(fn) INIT_EXPORT(fn, "1.0")
/* init sys-timer, clk, pinctrl... */
#define INIT_SUBSYS_EXPORT(fn) INIT_EXPORT(fn, "1.1")
/* init platform, user code... */
#define INIT_PLATFORM_EXPORT(fn) INIT_EXPORT(fn, "1.2")
/* pre/device/component/env/app init routines will be called in init_thread */
/* components pre-initialization (pure software initialization) */
#define INIT_PREV_EXPORT(fn) INIT_EXPORT(fn, "2")
/* device initialization */
#define INIT_DEVICE_EXPORT(fn) INIT_EXPORT(fn, "3")
/* components initialization (dfs, lwip, ...) */
#define INIT_COMPONENT_EXPORT(fn) INIT_EXPORT(fn, "4")
/* environment initialization (mount disk, ...) */
#define INIT_ENV_EXPORT(fn) INIT_EXPORT(fn, "5")
/* application initialization (rtgui application etc ...) */
#define INIT_APP_EXPORT(fn) INIT_EXPORT(fn, "6")
/* init after mount fs */
#define INIT_FS_EXPORT(fn) INIT_EXPORT(fn, "6.0")
/* init in secondary_cpu_c_start */
#define INIT_SECONDARY_CPU_EXPORT(fn) INIT_EXPORT(fn, "7")
#if !defined(RT_USING_FINSH)
/* define these to empty, even if not include finsh.h file */
#define FINSH_FUNCTION_EXPORT(name, desc)
#define FINSH_FUNCTION_EXPORT_ALIAS(name, alias, desc)
#define MSH_CMD_EXPORT(command, desc)
#define MSH_CMD_EXPORT_ALIAS(command, alias, desc)
#elif !defined(FINSH_USING_SYMTAB)
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc)
#endif
/* event length */
#define RT_EVENT_LENGTH 32
/* memory management option */
#define RT_MM_PAGE_SIZE 4096
#define RT_MM_PAGE_MASK (RT_MM_PAGE_SIZE - 1)
#define RT_MM_PAGE_BITS 12
/* kernel malloc definitions */
#ifndef RT_KERNEL_MALLOC
#define RT_KERNEL_MALLOC(sz) rt_malloc(sz)
#endif /* RT_KERNEL_MALLOC */
#ifndef RT_KERNEL_FREE
#define RT_KERNEL_FREE(ptr) rt_free(ptr)
#endif /* RT_KERNEL_FREE */
#ifndef RT_KERNEL_REALLOC
#define RT_KERNEL_REALLOC(ptr, size) rt_realloc(ptr, size)
#endif /* RT_KERNEL_REALLOC */
/**
* @ingroup group_BasicDef
*
* @def RT_IS_ALIGN(addr, align)
* Return true(1) or false(0).
* RT_IS_ALIGN(128, 4) is judging whether 128 aligns with 4.
* The result is 1, which means 128 aligns with 4.
* @note If the address is NULL, false(0) will be returned
*/
#define RT_IS_ALIGN(addr, align) ((!(addr & (align - 1))) && (addr != RT_NULL))
/**
* @ingroup group_BasicDef
*
* @def RT_ALIGN(size, align)
* Return the most contiguous size aligned at specified width. RT_ALIGN(13, 4)
* would return 16.
*/
#define RT_ALIGN(size, align) (((size) + (align) - 1) & ~((align) - 1))
/**
* @ingroup group_BasicDef
*
* @def RT_ALIGN_DOWN(size, align)
* Return the down number of aligned at specified width. RT_ALIGN_DOWN(13, 4)
* would return 12.
*/
#define RT_ALIGN_DOWN(size, align) ((size) & ~((align) - 1))
/**
* @addtogroup group_KernelObject
*/
/**@{*/
/*
* kernel object macros
*/
#define RT_OBJECT_FLAG_MODULE 0x80 /**< is module object. */
/**
* Base structure of Kernel object
*/
struct rt_object
{
#if RT_NAME_MAX > 0
char name[RT_NAME_MAX]; /**< dynamic name of kernel object */
#else
const char *name; /**< static name of kernel object */
#endif /* RT_NAME_MAX > 0 */
rt_uint8_t type; /**< type of kernel object */
rt_uint8_t flag; /**< flag of kernel object */
#ifdef RT_USING_MODULE
void * module_id; /**< id of application module */
#endif /* RT_USING_MODULE */
#ifdef RT_USING_SMART
rt_atomic_t lwp_ref_count; /**< ref count for lwp */
#endif /* RT_USING_SMART */
rt_list_t list; /**< list node of kernel object */
};
typedef struct rt_object *rt_object_t; /**< Type for kernel objects. */
/**
* iterator of rt_object_for_each()
*
* data is the data passing in to rt_object_for_each(). iterator can return
* RT_EOK to continue the iteration; or any positive value to break the loop
* successfully; or any negative errno to break the loop on failure.
*/
typedef rt_err_t (*rt_object_iter_t)(rt_object_t object, void *data);
/**
* The object type can be one of the follows with specific
* macros enabled:
* - Thread
* - Semaphore
* - Mutex
* - Event
* - MailBox
* - MessageQueue
* - MemHeap
* - MemPool
* - Device
* - Timer
* - Module
* - Unknown
* - Static
*/
enum rt_object_class_type
{
RT_Object_Class_Null = 0x00, /**< The object is not used. */
RT_Object_Class_Thread = 0x01, /**< The object is a thread. */
RT_Object_Class_Semaphore = 0x02, /**< The object is a semaphore. */
RT_Object_Class_Mutex = 0x03, /**< The object is a mutex. */
RT_Object_Class_Event = 0x04, /**< The object is a event. */
RT_Object_Class_MailBox = 0x05, /**< The object is a mail box. */
RT_Object_Class_MessageQueue = 0x06, /**< The object is a message queue. */
RT_Object_Class_MemHeap = 0x07, /**< The object is a memory heap. */
RT_Object_Class_MemPool = 0x08, /**< The object is a memory pool. */
RT_Object_Class_Device = 0x09, /**< The object is a device. */
RT_Object_Class_Timer = 0x0a, /**< The object is a timer. */
RT_Object_Class_Module = 0x0b, /**< The object is a module. */
RT_Object_Class_Memory = 0x0c, /**< The object is a memory. */
RT_Object_Class_Channel = 0x0d, /**< The object is a channel */
RT_Object_Class_ProcessGroup = 0x0e, /**< The object is a process group */
RT_Object_Class_Session = 0x0f, /**< The object is a session */
RT_Object_Class_Custom = 0x10, /**< The object is a custom object */
RT_Object_Class_Unknown = 0x11, /**< The object is unknown. */
RT_Object_Class_Static = 0x80 /**< The object is a static object. */
};
/**
* The information of the kernel object
*/
struct rt_object_information
{
enum rt_object_class_type type; /**< object class type */
rt_list_t object_list; /**< object list */
rt_size_t object_size; /**< object size */
struct rt_spinlock spinlock;
};
/**
* The hook function call macro
*/
#ifndef RT_USING_HOOK
#define RT_OBJECT_HOOK_CALL(func, argv)
#else
/**
* @brief Add hook point in the routines
* @note Usage:
* void foo() {
* do_something();
*
* RT_OBJECT_HOOK_CALL(foo);
*
* do_other_things();
* }
*/
#define _RT_OBJECT_HOOK_CALL(func, argv) __ON_HOOK_ARGS(func, argv)
#define RT_OBJECT_HOOK_CALL(func, argv) _RT_OBJECT_HOOK_CALL(func, argv)
#ifdef RT_HOOK_USING_FUNC_PTR
#define __ON_HOOK_ARGS(__hook, argv) do {if ((__hook) != RT_NULL) __hook argv; } while (0)
#else
#define __ON_HOOK_ARGS(__hook, argv)
#endif /* RT_HOOK_USING_FUNC_PTR */
#endif /* RT_USING_HOOK */
#ifdef RT_USING_HOOKLIST
/**
* @brief Add declaration for hook list types.
*
* @note Usage:
* This is typically used in your header. In foo.h using this like:
*
* ```foo.h
* typedef void (*bar_hook_proto_t)(arguments...);
* RT_OBJECT_HOOKLIST_DECLARE(bar_hook_proto_t, bar_myhook);
* ```
*/
#define RT_OBJECT_HOOKLIST_DECLARE(handler_type, name) \
typedef struct name##_hooklistnode \
{ \
handler_type handler; \
rt_list_t list_node; \
} *name##_hooklistnode_t; \
extern volatile rt_ubase_t name##_nested; \
void name##_sethook(name##_hooklistnode_t node); \
void name##_rmhook(name##_hooklistnode_t node)
/**
* @brief Add declaration for hook list node.
*
* @note Usage
* You can add a hook like this.
*
* ```addhook.c
* void myhook(arguments...) { do_something(); }
* RT_OBJECT_HOOKLIST_DEFINE_NODE(bar_myhook, myhook_node, myhook);
*
* void addhook(void)
* {
* bar_myhook_sethook(myhook);
* }
* ```
*
* BTW, you can also find examples codes under
* `examples/utest/testcases/kernel/hooklist_tc.c`.
*/
#define RT_OBJECT_HOOKLIST_DEFINE_NODE(hookname, nodename, hooker_handler) \
struct hookname##_hooklistnode nodename = { \
.handler = hooker_handler, \
.list_node = RT_LIST_OBJECT_INIT(nodename.list_node), \
};
/**
* @note Usage
* Add this macro to the source file where your hook point is inserted.
*/
#define RT_OBJECT_HOOKLIST_DEFINE(name) \
static rt_list_t name##_hooklist = RT_LIST_OBJECT_INIT(name##_hooklist); \
static struct rt_spinlock name##lock = RT_SPINLOCK_INIT; \
volatile rt_ubase_t name##_nested = 0; \
void name##_sethook(name##_hooklistnode_t node) \
{ \
rt_ubase_t level = rt_spin_lock_irqsave(&name##lock); \
while (name##_nested) \
{ \
rt_spin_unlock_irqrestore(&name##lock, level); \
level = rt_spin_lock_irqsave(&name##lock); \
} \
rt_list_insert_before(&name##_hooklist, &node->list_node); \
rt_spin_unlock_irqrestore(&name##lock, level); \
} \
void name##_rmhook(name##_hooklistnode_t node) \
{ \
rt_ubase_t level = rt_spin_lock_irqsave(&name##lock); \
while (name##_nested) \
{ \
rt_spin_unlock_irqrestore(&name##lock, level); \
level = rt_spin_lock_irqsave(&name##lock); \
} \
rt_list_remove(&node->list_node); \
rt_spin_unlock_irqrestore(&name##lock, level); \
}
/**
* @brief Add hook list point in the routines. Multiple hookers in the list will
* be called one by one starting from head node.
*
* @note Usage:
* void foo() {
* do_something();
*
* RT_OBJECT_HOOKLIST_CALL(foo);
*
* do_other_things();
* }
*/
#define _RT_OBJECT_HOOKLIST_CALL(nodetype, nested, list, lock, argv) \
do \
{ \
nodetype iter, next; \
rt_ubase_t level = rt_spin_lock_irqsave(&lock); \
nested += 1; \
rt_spin_unlock_irqrestore(&lock, level); \
if (!rt_list_isempty(&list)) \
{ \
rt_list_for_each_entry_safe(iter, next, &list, list_node) \
{ \
iter->handler argv; \
} \
} \
level = rt_spin_lock_irqsave(&lock); \
nested -= 1; \
rt_spin_unlock_irqrestore(&lock, level); \
} while (0)
#define RT_OBJECT_HOOKLIST_CALL(name, argv) \
_RT_OBJECT_HOOKLIST_CALL(name##_hooklistnode_t, name##_nested, \
name##_hooklist, name##lock, argv)
#else
#define RT_OBJECT_HOOKLIST_DECLARE(handler_type, name)
#define RT_OBJECT_HOOKLIST_DEFINE_NODE(hookname, nodename, hooker_handler)
#define RT_OBJECT_HOOKLIST_DEFINE(name)
#define RT_OBJECT_HOOKLIST_CALL(name, argv)
#endif /* RT_USING_HOOKLIST */
/**@}*/
/**
* @addtogroup group_Clock
*/
/**@{*/
/**
* clock & timer macros
*/
#define RT_TIMER_FLAG_DEACTIVATED 0x0 /**< timer is deactive */
#define RT_TIMER_FLAG_ACTIVATED 0x1 /**< timer is active */
#define RT_TIMER_FLAG_ONE_SHOT 0x0 /**< one shot timer */
#define RT_TIMER_FLAG_PERIODIC 0x2 /**< periodic timer */
#define RT_TIMER_FLAG_HARD_TIMER 0x0 /**< hard timer,the timer's callback function will be called in tick isr. */
#define RT_TIMER_FLAG_SOFT_TIMER 0x4 /**< soft timer,the timer's callback function will be called in timer thread. */
#define RT_TIMER_FLAG_THREAD_TIMER \
(0x8 | RT_TIMER_FLAG_HARD_TIMER) /**< thread timer that cooperates with scheduler directly */
#define RT_TIMER_CTRL_SET_TIME 0x0 /**< set timer control command */
#define RT_TIMER_CTRL_GET_TIME 0x1 /**< get timer control command */
#define RT_TIMER_CTRL_SET_ONESHOT 0x2 /**< change timer to one shot */
#define RT_TIMER_CTRL_SET_PERIODIC 0x3 /**< change timer to periodic */
#define RT_TIMER_CTRL_GET_STATE 0x4 /**< get timer run state active or deactive*/
#define RT_TIMER_CTRL_GET_REMAIN_TIME 0x5 /**< get the remaining hang time */
#define RT_TIMER_CTRL_GET_FUNC 0x6 /**< get timer timeout func */
#define RT_TIMER_CTRL_SET_FUNC 0x7 /**< set timer timeout func */
#define RT_TIMER_CTRL_GET_PARM 0x8 /**< get timer parameter */
#define RT_TIMER_CTRL_SET_PARM 0x9 /**< set timer parameter */
#ifndef RT_TIMER_SKIP_LIST_LEVEL
#define RT_TIMER_SKIP_LIST_LEVEL 1
#endif
/* 1 or 3 */
#ifndef RT_TIMER_SKIP_LIST_MASK
#define RT_TIMER_SKIP_LIST_MASK 0x3 /**< Timer skips the list mask */
#endif
/**
* timeout handler of rt_timer
*/
typedef void (*rt_timer_func_t)(void *parameter);
/**
* timer structure
*/
struct rt_timer
{
struct rt_object parent; /**< inherit from rt_object */
rt_list_t row[RT_TIMER_SKIP_LIST_LEVEL];
rt_timer_func_t timeout_func; /**< timeout function */
void *parameter; /**< timeout function's parameter */
rt_tick_t init_tick; /**< timer timeout tick */
rt_tick_t timeout_tick; /**< timeout tick */
};
typedef struct rt_timer *rt_timer_t;
/**@}*/
/**
* @addtogroup group_Signal
*/
/**@{*/
#ifdef RT_USING_SIGNALS
#define RT_SIG_MAX 32
typedef unsigned long rt_sigset_t;
typedef siginfo_t rt_siginfo_t;
typedef void (*rt_sighandler_t)(int signo);
#endif /* RT_USING_SIGNALS */
/**@}*/
/**
* @addtogroup group_Thread
*/
/**@{*/
/*
* Thread
*/
/*
* thread state definitions
*/
#define RT_THREAD_INIT 0x00 /**< Initialized status */
#define RT_THREAD_CLOSE 0x01 /**< Closed status */
#define RT_THREAD_READY 0x02 /**< Ready status */
#define RT_THREAD_RUNNING 0x03 /**< Running status */
/*
* for rt_thread_suspend_with_flag()
*/
enum
{
RT_INTERRUPTIBLE = 0,
RT_KILLABLE,
RT_UNINTERRUPTIBLE,
};
#define RT_THREAD_SUSPEND_MASK 0x04
#define RT_SIGNAL_COMMON_WAKEUP_MASK 0x02
#define RT_SIGNAL_KILL_WAKEUP_MASK 0x01
#define RT_THREAD_SUSPEND_INTERRUPTIBLE (RT_THREAD_SUSPEND_MASK) /**< Suspend interruptable 0x4 */
#define RT_THREAD_SUSPEND RT_THREAD_SUSPEND_INTERRUPTIBLE
#define RT_THREAD_SUSPEND_KILLABLE (RT_THREAD_SUSPEND_MASK | RT_SIGNAL_COMMON_WAKEUP_MASK) /**< Suspend with killable 0x6 */
#define RT_THREAD_SUSPEND_UNINTERRUPTIBLE (RT_THREAD_SUSPEND_MASK | RT_SIGNAL_COMMON_WAKEUP_MASK | RT_SIGNAL_KILL_WAKEUP_MASK) /**< Suspend with uninterruptable 0x7 */
#define RT_THREAD_STAT_MASK 0x07
#define RT_THREAD_STAT_YIELD 0x08 /**< indicate whether remaining_tick has been reloaded since last schedule */
#define RT_THREAD_STAT_YIELD_MASK RT_THREAD_STAT_YIELD
#define RT_THREAD_STAT_SIGNAL 0x10 /**< task hold signals */
#define RT_THREAD_STAT_SIGNAL_READY (RT_THREAD_STAT_SIGNAL | RT_THREAD_READY)
#define RT_THREAD_STAT_SIGNAL_WAIT 0x20 /**< task is waiting for signals */
#define RT_THREAD_STAT_SIGNAL_PENDING 0x40 /**< signals is held and it has not been procressed */
#define RT_THREAD_STAT_SIGNAL_MASK 0xf0
/**
* thread control command definitions
*/
#define RT_THREAD_CTRL_STARTUP 0x00 /**< Startup thread. */
#define RT_THREAD_CTRL_CLOSE 0x01 /**< Close thread. */
#define RT_THREAD_CTRL_CHANGE_PRIORITY 0x02 /**< Change thread priority. */
#define RT_THREAD_CTRL_INFO 0x03 /**< Get thread information. */
#define RT_THREAD_CTRL_BIND_CPU 0x04 /**< Set thread bind cpu. */
#define RT_THREAD_CTRL_RESET_PRIORITY 0x05 /**< Reset thread priority. */
/**
* CPU usage statistics data
*/
struct rt_cpu_usage_stats
{
rt_ubase_t user;
rt_ubase_t system;
rt_ubase_t irq;
rt_ubase_t idle;
};
typedef struct rt_cpu_usage_stats *rt_cpu_usage_stats_t;
#ifdef RT_USING_SMP
#define RT_CPU_DETACHED RT_CPUS_NR /**< The thread not running on cpu. */
#define RT_CPU_MASK ((1 << RT_CPUS_NR) - 1) /**< All CPUs mask bit. */
#ifndef RT_SCHEDULE_IPI
#define RT_SCHEDULE_IPI 0
#endif /* RT_SCHEDULE_IPI */
#ifndef RT_STOP_IPI
#define RT_STOP_IPI 1
#endif /* RT_STOP_IPI */
#ifndef RT_SMP_CALL_IPI
#define RT_SMP_CALL_IPI 2
#endif
#define RT_MAX_IPI 3
#define _SCHEDULER_CONTEXT(fileds) fileds
/**
* CPUs definitions
*
*/
struct rt_cpu
{
/**
* protected by:
* - other cores: accessing from other coress is undefined behaviour
* - local core: rt_enter_critical()/rt_exit_critical()
*/
_SCHEDULER_CONTEXT(
struct rt_thread *current_thread;
rt_uint8_t irq_switch_flag:1;
rt_uint8_t sched_lock_flag:1;
#ifndef ARCH_USING_HW_THREAD_SELF
rt_uint8_t critical_switch_flag:1;
#endif /* ARCH_USING_HW_THREAD_SELF */
rt_uint8_t current_priority;
rt_list_t priority_table[RT_THREAD_PRIORITY_MAX];
#if RT_THREAD_PRIORITY_MAX > 32
rt_uint32_t priority_group;
rt_uint8_t ready_table[32];
#else
rt_uint32_t priority_group;
#endif /* RT_THREAD_PRIORITY_MAX > 32 */
rt_atomic_t tick; /**< Passing tickes on this core */
);
struct rt_thread *idle_thread;
rt_atomic_t irq_nest;
#ifdef RT_USING_SMART
struct rt_spinlock spinlock;
#endif /* RT_USING_SMART */
#ifdef RT_USING_CPU_USAGE_TRACER
struct rt_cpu_usage_stats cpu_stat;
#endif /* RT_USING_CPU_USAGE_TRACER */
#ifdef ARCH_USING_IRQ_CTX_LIST
rt_slist_t irq_ctx_head;
#endif /* ARCH_USING_IRQ_CTX_LIST */
};
#else /* !RT_USING_SMP */
struct rt_cpu
{
struct rt_thread *current_thread;
struct rt_thread *idle_thread;
#ifdef RT_USING_CPU_USAGE_TRACER
struct rt_cpu_usage_stats cpu_stat;
#endif /* RT_USING_CPU_USAGE_TRACER */
#ifdef ARCH_USING_IRQ_CTX_LIST
rt_slist_t irq_ctx_head;
#endif /* ARCH_USING_IRQ_CTX_LIST */
};
#endif /* RT_USING_SMP */
typedef struct rt_cpu *rt_cpu_t;
/* Noted: As API to reject writing to this variable from application codes */
#define rt_current_thread rt_thread_self()
struct rt_thread;
/**
* interrupt/exception frame handling
*
*/
typedef struct rt_interrupt_context {
void *context; /**< arch specific context */
rt_slist_t node; /**< node for nested interrupt */
} *rt_interrupt_context_t;
#ifdef RT_USING_SMART
typedef rt_err_t (*rt_wakeup_func_t)(void *object, struct rt_thread *thread);
struct rt_wakeup
{
rt_wakeup_func_t func;
void *user_data;
};
#define _LWP_NSIG 64
#ifdef ARCH_CPU_64BIT
#define _LWP_NSIG_BPW 64
#else
#define _LWP_NSIG_BPW 32
#endif
#define _LWP_NSIG_WORDS (RT_ALIGN(_LWP_NSIG, _LWP_NSIG_BPW) / _LWP_NSIG_BPW)
typedef void (*lwp_sighandler_t)(int);
typedef void (*lwp_sigaction_t)(int signo, siginfo_t *info, void *context);
typedef struct {
unsigned long sig[_LWP_NSIG_WORDS];
} lwp_sigset_t;
#if _LWP_NSIG <= 64
#define lwp_sigmask(signo) ((lwp_sigset_t){.sig = {[0] = ((long)(1u << ((signo)-1)))}})
#define lwp_sigset_init(mask) ((lwp_sigset_t){.sig = {[0] = (long)(mask)}})
#endif /* _LWP_NSIG <= 64 */
struct lwp_sigaction {
union {
void (*_sa_handler)(int);
void (*_sa_sigaction)(int, siginfo_t *, void *);
} __sa_handler;
lwp_sigset_t sa_mask;
int sa_flags;
void (*sa_restorer)(void);
};
typedef struct lwp_siginfo_ext {
union {
/* for SIGCHLD */
struct {
int status;
clock_t utime;
clock_t stime;
} sigchld;
};
} *lwp_siginfo_ext_t;
typedef struct lwp_siginfo {
rt_list_t node;
struct {
int signo;
int code;
int from_tid;
pid_t from_pid;
} ksiginfo;
/* the signal specified extension field */
struct lwp_siginfo_ext *ext;
} *lwp_siginfo_t;
typedef struct lwp_sigqueue {
rt_list_t siginfo_list;
lwp_sigset_t sigset_pending;
} *lwp_sigqueue_t;
struct lwp_thread_signal {
lwp_sigset_t sigset_mask;
struct lwp_sigqueue sig_queue;
};
struct rt_user_context
{
void *sp;
void *pc;
void *flag;
void *ctx;
};
#endif /* RT_USING_SMART */
typedef void (*rt_thread_cleanup_t)(struct rt_thread *tid);
/**
* Thread structure
*/
struct rt_thread
{
struct rt_object parent;
/* stack point and entry */
void *sp; /**< stack point */
void *entry; /**< entry */
void *parameter; /**< parameter */
void *stack_addr; /**< stack address */
rt_uint32_t stack_size; /**< stack size */
/* error code */
rt_err_t error; /**< error code */
#ifdef RT_USING_SMP
rt_atomic_t cpus_lock_nest; /**< cpus lock count */
#endif
RT_SCHED_THREAD_CTX
struct rt_timer thread_timer; /**< built-in thread timer */
rt_thread_cleanup_t cleanup; /**< cleanup function when thread exit */
#ifdef RT_USING_MUTEX
/* object for IPC */
rt_list_t taken_object_list;
rt_object_t pending_object;
#endif /* RT_USING_MUTEX */
#ifdef RT_USING_EVENT
/* thread event */
rt_uint32_t event_set;
rt_uint8_t event_info;
#endif /* RT_USING_EVENT */
#ifdef RT_USING_SIGNALS
rt_sigset_t sig_pending; /**< the pending signals */
rt_sigset_t sig_mask; /**< the mask bits of signal */
#ifndef RT_USING_SMP
void *sig_ret; /**< the return stack pointer from signal */
#endif /* RT_USING_SMP */
rt_sighandler_t *sig_vectors; /**< vectors of signal handler */
void *si_list; /**< the signal infor list */
#endif /* RT_USING_SIGNALS */
#ifdef RT_USING_CPU_USAGE
rt_uint64_t duration_tick; /**< cpu usage tick */
#endif /* RT_USING_CPU_USAGE */
#ifdef RT_USING_PTHREADS
void *pthread_data; /**< the handle of pthread data, adapt 32/64bit */
#endif /* RT_USING_PTHREADS */
/* light weight process if present */
#ifdef RT_USING_SMART
void *msg_ret; /**< the return msg */
void *lwp; /**< the lwp reference */
/* for user create */
void *user_entry;
void *user_stack;
rt_uint32_t user_stack_size;
rt_uint32_t *kernel_sp; /**< kernel stack point */
rt_list_t sibling; /**< next thread of same process */
struct lwp_thread_signal signal; /**< lwp signal for user-space thread */
struct rt_user_context user_ctx; /**< user space context */
struct rt_wakeup wakeup_handle; /**< wakeup handle for IPC */
rt_atomic_t exit_request; /**< pending exit request of thread */
int tid; /**< thread ID used by process */
int tid_ref_count; /**< reference of tid */
void *susp_recycler; /**< suspended recycler on this thread */
void *robust_list; /**< pi lock, very carefully, it's a userspace list!*/
#ifndef ARCH_MM_MMU
lwp_sighandler_t signal_handler[32];
#else
int step_exec;
int debug_attach_req;
int debug_ret_user;
int debug_suspend;
struct rt_hw_exp_stack *regs;
void *thread_idr; /** lwp thread indicator */
int *clear_child_tid;
#endif /* ARCH_MM_MMU */
#endif /* RT_USING_SMART */
#ifdef RT_USING_CPU_USAGE_TRACER
rt_ubase_t user_time; /**< Ticks on user */
rt_ubase_t system_time; /**< Ticks on system */
#endif /* RT_USING_CPU_USAGE_TRACER */
#ifdef RT_USING_MEM_PROTECTION
void *mem_regions;
#ifdef RT_USING_HW_STACK_GUARD
void *stack_buf;
#endif /* RT_USING_HW_STACK_GUARD */
#endif /* RT_USING_MEM_PROTECTION */
struct rt_spinlock spinlock;
rt_ubase_t user_data; /**< private user data beyond this thread */
};
typedef struct rt_thread *rt_thread_t;
#ifdef RT_USING_SMART
#define LWP_IS_USER_MODE(t) ((t)->user_ctx.ctx == RT_NULL)
#else
#define LWP_IS_USER_MODE(t) (0)
#endif /* RT_USING_SMART */
/**@}*/
/**
* @addtogroup group_IPC
*/
/**@{*/
/**
* IPC flags and control command definitions
*/
#define RT_IPC_FLAG_FIFO 0x00 /**< FIFOed IPC. @ref group_IPC. */
#define RT_IPC_FLAG_PRIO 0x01 /**< PRIOed IPC. @ref group_IPC. */
#define RT_IPC_CMD_UNKNOWN 0x00 /**< unknown IPC command */
#define RT_IPC_CMD_RESET 0x01 /**< reset IPC object */
#define RT_IPC_CMD_GET_STATE 0x02 /**< get the state of IPC object */
#define RT_IPC_CMD_SET_VLIMIT 0x03 /**< set max limit value of IPC value */
#define RT_WAITING_FOREVER -1 /**< Block forever until get resource. */
#define RT_WAITING_NO 0 /**< Non-block. */
/**
* Base structure of IPC object
*/
struct rt_ipc_object
{
struct rt_object parent; /**< inherit from rt_object */
rt_list_t suspend_thread; /**< threads pended on this resource */
};
/**
* @addtogroup group_semaphore Semaphore
* @{
*/
#ifdef RT_USING_SEMAPHORE
/**