T-Kernel Specification (1.B0.02)

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166 CHAPTER 4. T-KERNEL/OS FUNCTIONS tk get tim Get Time [C Language Interface] ER ercd = tk_get_tim ( SYSTIM *pk_tim ) ; [Parameters] SYSTIM* pk tim Address of current time packet [Return Parameters] ER ercd Error code pk tim detail: SYSTIM systim Current system time [Error Codes] E OK E PAR Normal completion Parameter error (pk tim is invalid) [Description] Reads the current value of the system clock and returns in it systim. System time is expressed as cumulative milliseconds from 0:00:00 (GMT), January 1, 1985. Copyright c○ 2002, 2003 by T-Engine Forum T-Kernel 1.B0.02
4.7. TIME MANAGEMENT FUNCTIONS 167 tk get otm Get Operating Time [C Language Interface] ER ercd = tk_get_otm ( SYSTIM *pk_tim ) ; [Parameters] SYSTIM* pk tim Address of packet returning operating time pk tim detail: SYSTIM opetim System operating time [Return Parameters] ER ercd Error code [Error Codes] E OK E PAR Normal completion Parameter error (pk tim is invalid) [Description] Gets the system operating time (up time). System operating time, unlike system time, indicates the length of time elapsed linearly since the system was started. It is not affected by clock settings made by tk set tim. System operating time must have the same precision as system time. 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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4.2. TASK-DEPENDENT SYNCHRONIZATION
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4.3. TASK EXCEPTION HANDLING FUNCTI
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4.4. SYNCHRONIZATION AND COMMUNICAT
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4.5. EXTENDED SYNCHRONIZATION AND C
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4.10. SUBSYSTEM MANAGEMENT FUNCTION
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Chapter 5 T-Kernel/SM Details of th
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5.1. SYSTEM MEMORY MANAGEMENT FUNCT
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5.2. ADDRESS SPACE MANAGEMENT FUNCT
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5.2. ADDRESS SPACE MANAGEMENT FUNCT
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5.3. DEVICE MANAGEMENT FUNCTIONS 22
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5.4. INTERRUPT MANAGEMENT FUNCTIONS
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5.5. IO PORT ACCESS SUPPORT FUNCTIO
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5.7. SYSTEM CONFIGURATION INFORMATI
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5.7. SYSTEM CONFIGURATION INFORMATI
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5.8. SUBSYSTEM AND DEVICE DRIVER ST
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260 CHAPTER 6. T-KERNEL/DS FUNCTION
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284 CHAPTER 7. REFERENCE INT tevptn
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286 CHAPTER 7. REFERENCE ER ercd =
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288 CHAPTER 7. REFERENCE INT ct = t
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290 CHAPTER 7. REFERENCE E OACV ERC
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T-Kernel Specification (1.B0.02)

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