T-Kernel Specification (1.B0.02)

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164 CHAPTER 4. T-KERNEL/OS FUNCTIONS 4.7.1 System Time Management System time management functions are for manipulating system time. Functions are provided for system clock setting and reference, and for referencing system operating time. Copyright c○ 2002, 2003 by T-Engine Forum T-Kernel 1.B0.02
4.7. TIME MANAGEMENT FUNCTIONS 165 tk set tim Set Time [C Language Interface] ER ercd = tk_set_tim ( SYSTIM *pk_tim ) ; [Parameters] SYSTIM* pk tim Address of current time packet pk tim detail: SYSTIM systim Current system time [Return Parameters] ER ercd Error code [Error Codes] E OK E PAR Normal completion Parameter error (pk tim is invalid, or time setting is invalid) [Description] Sets the system clock to the value designated in systim. System time is expressed as cumulative milliseconds from 0:00:00 (GMT), January 1, 1985. [Additional Notes] The relative time designated in RELTIM or TMO does not change even if the system clock is changed by calling tk set tim during system operation. For example, if a timeout is set to elapse in 60 seconds and the system clock is advanced by 60 seconds by tk set tim while waiting for the timeout, the timeout occurs not immediately but 60 seconds after it was set. Instead, tk set tim changes the system time at which the timeout occurs. 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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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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