T-Kernel Specification (1.B0.02)

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260 CHAPTER 6. T-KERNEL/DS FUNCTIONS td lst tsk, td lst sem, td lst flg, td lst mbx td lst mtx, td lst mbf, td lst por, td lst mpf td lst mpl, td lst cyc, td lst alm, td lst ssy Reference Object ID List [C Language Interface] INT ct = td_lst_tsk ( ID list[], INT nent ) ; /* task */ INT ct = td_lst_sem ( ID list[], INT nent ) ; /* semaphore */ INT ct = td_lst_flg ( ID list[], INT nent ) ; /* event flag */ INT ct = td_lst_mbx ( ID list[], INT nent ) ; /* mailbox */ INT ct = td_lst_mtx ( ID list[], INT nent ) ; /* mutex */ INT ct = td_lst_mbf ( ID list[], INT nent ) ; /* message buffer */ INT ct = td_lst_por ( ID list[], INT nent ) ; /* rendezvous port */ INT ct = td_lst_mpf ( ID list[], INT nent ) ; /* fixed-size memory pool */ INT ct = td_lst_mpl ( ID list[], INT nent ) ; /* variable-size memory pool */ INT ct = td_lst_cyc ( ID list[], INT nent ) ; /* cyclic handler */ INT ct = td_lst_alm ( ID list[], INT nent ) ; /* alarm handler */ INT ct = td_lst_ssy ( ID list[], INT nent ) ; /* subsystem */ [Parameters] ID list[] Location of object ID list INT nent Maximum number of list entries [Return Parameters] INT ct Number of objects used or Error Code [Description] Gets a list of IDs of objects currently being used, and puts in list up to nent IDs. The number of objects used is passed in the return code. If return code > nent, this means not all IDs could be acquired. Copyright c○ 2002, 2003 by T-Engine Forum T-Kernel 1.B0.02
6.1. KERNEL INTERNAL STATE ACQUISITION FUNCTIONS 261 td rdy que Get Task Precedence [C Language Interface] INT ct = td_rdy_que ( PRI pri, ID list[], INT nent ) ; [Parameters] PRI pri Task priority ID list[] Location of task ID list INT nent Maximum number of list entries [Return Parameters] INT ct Number of priority pri tasks in a run state or Error Code [Description] Gets a list of IDs of the tasks in a run state (READY state or RUN state) whose task priority is pri, arranged in order from highest to lowest precedence. This function stores in the location designated in list up to nent task IDs, arranged in order of precedence starting from the highest-precedence task ID at the head of the list. The number of tasks in a run state with priority pri is passed in the return code. If return code > nent, this means not all task IDs could be stored. Copyright c○ 2002, 2003 by T-Engine Forum T-Kernel 1.B0.02
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T-Kernel Specification T-Kernel 1.B
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Contents 1 T-Kernel Overview 1 1.1
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CONTENTS v tk set flg (Set Event Fl
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CONTENTS vii 5.2.2 Address Space Ch
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CONTENTS ix td cal que (Reference Q
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List of Figures 1.1 Position of T-K
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List of Tables 2.1 State Transition
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System Call Notation In the parts o
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Index of T-Kernel/OS System Calls T
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INDEX OF T-KERNEL/OS SYSTEM CALLS x
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Index of T-Kernel/SM Extended SVC L
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Index of T-Kernel/DS System Calls T
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Chapter 1 T-Kernel Overview 1.1 Pos
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1.2. SCALABILITY 3 • Middleware m
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Chapter 2 Concepts Underlying the T
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2.2. TASK STATES AND SCHEDULING RUL
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2.2. TASK STATES AND SCHEDULING RUL
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2.3. INTERRUPT HANDLING 11 preceden
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2.5. SYSTEM STATES 13 Transient sta
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2.7. MEMORY 15 which the upper and
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Chapter 3 Common T-Kernel Specifica
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3.2. SYSTEM CALLS 19 /* * Common co
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3.2. SYSTEM CALLS 21 Ordinarily a f
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3.3. HIGH-LEVEL LANGUAGE SUPPORT RO
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Chapter 4 T-Kernel/OS Functions Thi
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4.1. TASK MANAGEMENT FUNCTIONS 27 t
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4.1. TASK MANAGEMENT FUNCTIONS 29 #
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4.3. TASK EXCEPTION HANDLING FUNCTI
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4.4. SYNCHRONIZATION AND COMMUNICAT
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4.6. MEMORY POOL MANAGEMENT FUNCTIO
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4.7. TIME MANAGEMENT FUNCTIONS 163
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4.8. INTERRUPT MANAGEMENT FUNCTIONS
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4.9. SYSTEM MANAGEMENT FUNCTIONS 19
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4.10. SUBSYSTEM MANAGEMENT FUNCTION
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4.10. SUBSYSTEM MANAGEMENT FUNCTION
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T-Kernel Specification (1.B0.02)

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