ThreadX的信号量结构体和uCOS-III几乎一样，做Trace功能发现代码一样

eric2013

ThreadX:

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typedef struct TX_SEMAPHORE_STRUCT
{

    /* Define the semaphore ID used for error checking.  */
    ULONG               tx_semaphore_id;

    /* Define the semaphore's name.  */
    CHAR                *tx_semaphore_name;

    /* Define the actual semaphore count.  A zero means that no semaphore
       instance is available.  */
    ULONG               tx_semaphore_count;

    /* Define the semaphore suspension list head along with a count of
       how many threads are suspended.  */
    struct TX_THREAD_STRUCT
                        *tx_semaphore_suspension_list;
    UINT                tx_semaphore_suspended_count;

    /* Define the created list next and previous pointers.  */
    struct TX_SEMAPHORE_STRUCT
                        *tx_semaphore_created_next,
                        *tx_semaphore_created_previous;

#ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO

    /* Define the number of semaphore puts.  */
    ULONG               tx_semaphore_performance_put_count;

    /* Define the number of semaphore gets.  */
    ULONG               tx_semaphore_performance_get_count;

    /* Define the number of semaphore suspensions.  */
    ULONG               tx_semaphore_performance_suspension_count;

    /* Define the number of semaphore timeouts.  */
    ULONG               tx_semaphore_performance_timeout_count;
#endif

#ifndef TX_DISABLE_NOTIFY_CALLBACKS

    /* Define the application callback routine used to notify the application when 
       the a semaphore is put.  */
    VOID                (*tx_semaphore_put_notify)(struct TX_SEMAPHORE_STRUCT *semaphore_ptr);
#endif

    /* Define the port extension in the semaphore control block. This 
       is typically defined to whitespace in tx_port.h.  */
    TX_SEMAPHORE_EXTENSION

} TX_SEMAPHORE;

uCOS-III:

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/*
------------------------------------------------------------------------------------------------------------------------
*                                                      SEMAPHORES
*
* Note(s) : See  PEND OBJ  Note #1'.
------------------------------------------------------------------------------------------------------------------------
*/

struct  os_sem {                                            /* Semaphore                                              */
                                                            /* ------------------ GENERIC  MEMBERS ------------------ */
#if (OS_OBJ_TYPE_REQ > 0u)
    OS_OBJ_TYPE          Type;                              /* Should be set to OS_OBJ_TYPE_SEM                       */
#endif
#if (OS_CFG_DBG_EN > 0u)
    CPU_CHAR            *NamePtr;                           /* Pointer to Semaphore Name (NUL terminated ASCII)       */
#endif
    OS_PEND_LIST         PendList;                          /* List of tasks waiting on semaphore                     */
#if (OS_CFG_DBG_EN > 0u)
    OS_SEM              *DbgPrevPtr;
    OS_SEM              *DbgNextPtr;
    CPU_CHAR            *DbgNamePtr;
#endif
                                                            /* ------------------ SPECIFIC MEMBERS ------------------ */
    OS_SEM_CTR           Ctr;
#if (OS_CFG_TS_EN > 0u)
    CPU_TS               TS;
#endif
#if (defined(OS_CFG_TRACE_EN) && (OS_CFG_TRACE_EN > 0u))
    CPU_INT16U           SemID;                             /* Unique ID for third-party debuggers and tracers.       */
#endif
};