Unit Threads

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Description


To be documented

Constants


To be documented

Type definitions


To be documented

Public variables


To be documented

Function declarations



Initialization functions

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procedure LocksInit;
Description: Initialize Locks


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procedure ThreadsInit;
Description: Initialize Threading


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procedure PrimaryInit;
Description: Initialize the primary CPU


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procedure SchedulerInit;
Description: Initialize the thread scheduler


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procedure SchedulerStart(CPUID:LongWord);
Description: Initialize the thread scheduler for secondary CPUs (Where Applicable)


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procedure SecondaryInit;
Description: Initialize the secondary CPUs (Where Applicable)


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procedure SecondaryBoot(CPUID:LongWord);
Description: Boot the specified secondary CPU (Where Applicable)


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procedure SecondaryStart(CPUID:LongWord);
Description: Startup procedure for secondary CPUs (Where Applicable)


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function IRQExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function FIQExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function SWIExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function IdleExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function MainExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function TimerExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function WorkerExecute(Parameter:Pointer):PtrInt;
Description: To be documented


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function IdleCalibrate:LongWord;
Description: Calibrate the idle thread loop by counting the number of loops in 100ms


Spin functions

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function SpinCreate:TSpinHandle;
Description: Create and insert a new Spin entry


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function SpinCreateEx(InitialOwner:Boolean):TSpinHandle;
Description: Create and insert a new Spin entry


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function SpinDestroy(Spin:TSpinHandle):LongWord;
Description: Destroy and remove an existing Spin entry


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function SpinOwner(Spin:TSpinHandle):TThreadHandle;
Description: Get the current owner of an existing Spin entry


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function SpinLock(Spin:TSpinHandle):LongWord;
Description: Lock an existing Spin entry


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function SpinUnlock(Spin:TSpinHandle):LongWord;
Description: Unlock an existing Spin entry


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function SpinLockIRQ(Spin:TSpinHandle):LongWord;
Description: Lock an existing Spin entry, disable IRQ and save the previous IRQ state


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function SpinUnlockIRQ(Spin:TSpinHandle):LongWord;
Description: Unlock an existing Spin entry and restore the previous IRQ state


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function SpinLockFIQ(Spin:TSpinHandle):LongWord;
Description: Lock an existing Spin entry, disable FIQ and save the previous FIQ state


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function SpinUnlockFIQ(Spin:TSpinHandle):LongWord;
Description: Unlock an existing Spin entry and restore the previous FIQ state


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function SpinLockIRQFIQ(Spin:TSpinHandle):LongWord;
Description: Lock an existing Spin entry, disable IRQ and FIQ and save the previous IRQ and FIQ state


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function SpinUnlockIRQFIQ(Spin:TSpinHandle):LongWord;
Description: Unlock an existing Spin entry and restore the previous IRQ and FIQ state


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function SpinCheckIRQ(Spin:TSpinHandle):Boolean;
Description: Check the mask that stores the previous IRQ state to determine if IRQ is enabled


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function SpinCheckFIQ(Spin:TSpinHandle):Boolean;
Description: Check the mask that stores the previous FIQ state to determine if FIQ is enabled


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function SpinExchangeIRQ(Spin1,Spin2:TSpinHandle):LongWord;
Description: Exchange the previous IRQ state between two Spin entries


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function SpinExchangeFIQ(Spin1,Spin2:TSpinHandle):LongWord;
Description: Exchange the previous FIQ state between two Spin entries


Mutex functions

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function MutexCreate:TMutexHandle;
Description: Create and insert a new Mutex entry


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function MutexCreateEx(InitialOwner:Boolean; SpinCount:LongWord; Flags:LongWord):TMutexHandle;
Description: Create and insert a new Mutex entry


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function MutexDestroy(Mutex:TMutexHandle):LongWord;
Description: Destroy and remove an existing Mutex entry


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function MutexFlags(Mutex:TMutexHandle):LongWord;
Description: Get the current flags of an existing Mutex entry


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function MutexCount(Mutex:TMutexHandle):LongWord;
Description: Get the current lock count of an existing Mutex entry


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function MutexOwner(Mutex:TMutexHandle):TThreadHandle;
Description: Get the current owner of an existing Mutex entry


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function MutexLock(Mutex:TMutexHandle):LongWord;
Description: Lock an existing Mutex entry


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function MutexUnlock(Mutex:TMutexHandle):LongWord;
Description: Unlock an existing Mutex entry


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function MutexTryLock(Mutex:TMutexHandle):LongWord;
Description: Try to lock an existing Mutex entry


Critical section functions

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function CriticalSectionCreate:TCriticalSectionHandle;
Description: Create and insert a new CriticalSection entry


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function CriticalSectionCreateEx(InitialOwner:Boolean; SpinCount:LongWord):TCriticalSectionHandle;
Description: Create and insert a new CriticalSection entry


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function CriticalSectionDestroy(CriticalSection:TCriticalSectionHandle):LongWord;
Description: Destroy and remove an existing CriticalSection entry


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function CriticalSectionCount(CriticalSection:TCriticalSectionHandle):LongWord;
Description: Get the current lock count of an existing CriticalSection entry


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function CriticalSectionOwner(CriticalSection:TCriticalSectionHandle):TThreadHandle;
Description: Get the current owner of an existing CriticalSection entry


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function CriticalSectionSetSpinCount(CriticalSection:TCriticalSectionHandle; SpinCount:LongWord):LongWord;
Description: Set the spin count of an existing CriticalSection entry


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function CriticalSectionLock(CriticalSection:TCriticalSectionHandle):LongWord;
Description: Lock an existing CriticalSection entry


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function CriticalSectionLockEx(CriticalSection:TCriticalSectionHandle; Timeout:LongWord):LongWord;
Description: Lock an existing CriticalSection entry


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function CriticalSectionUnlock(CriticalSection:TCriticalSectionHandle):LongWord;
Description: Unlock an existing CriticalSection entry


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function CriticalSectionTryLock(CriticalSection:TCriticalSectionHandle):LongWord;
Description: Try to lock an existing CriticalSection entry


Semaphore functions

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function SemaphoreCreate(Count:LongWord):TSemaphoreHandle;
Description: Create and insert a new Semaphore entry


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function SemaphoreCreateEx(Count,Maximum:LongWord; Flags:LongWord):TSemaphoreHandle;
Description: Create and insert a new Semaphore entry


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function SemaphoreDestroy(Semaphore:TSemaphoreHandle):LongWord;
Description: Destroy and remove an existing Semaphore entry


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function SemaphoreCount(Semaphore:TSemaphoreHandle):LongWord;
Description: Get the current count of an existing Semaphore entry


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function SemaphoreWait(Semaphore:TSemaphoreHandle):LongWord;
Description: Wait on an existing Semaphore entry


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function SemaphoreWaitEx(Semaphore:TSemaphoreHandle; Timeout:LongWord):LongWord;
Description: Wait on an existing Semaphore entry


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function SemaphoreSignal(Semaphore:TSemaphoreHandle):LongWord;
Description: Signal an existing Semaphore entry


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function SemaphoreSignalEx(Semaphore:TSemaphoreHandle; Count:LongWord; Previous:PLongWord):LongWord;
Description: Signal an existing Semaphore entry one or more times


Synchronizer functions

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function SynchronizerCreate:TSynchronizerHandle;
Description: Create and insert a new Synchronizer entry


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function SynchronizerCreateEx(InitialReader,InitialWriter:Boolean):TSynchronizerHandle;
Description: Create and insert a new Synchronizer entry


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function SynchronizerDestroy(Synchronizer:TSynchronizerHandle):LongWord;
Description: Destroy and remove an existing Synchronizer entry


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function SynchronizerReaderCount(Synchronizer:TSynchronizerHandle):LongWord;
Description: Get the current reader count of an existing Synchronizer entry


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function SynchronizerReaderLast(Synchronizer:TSynchronizerHandle):TThreadHandle;
Description: Get the last reader thread of an existing Synchronizer entry


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function SynchronizerReaderLock(Synchronizer:TSynchronizerHandle):LongWord;
Description: Lock an existing Synchronizer entry for reading


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function SynchronizerReaderLockEx(Synchronizer:TSynchronizerHandle; Timeout:LongWord):LongWord;
Description: Lock an existing Synchronizer entry for reading


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function SynchronizerReaderUnlock(Synchronizer:TSynchronizerHandle):LongWord;
Description: Unlock an existing Synchronizer entry


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function SynchronizerReaderConvert(Synchronizer:TSynchronizerHandle):LongWord;
Description: Convert a reader lock on an existing Synchronizer entry to a writer lock


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function SynchronizerReaderConvertEx(Synchronizer:TSynchronizerHandle; Timeout:LongWord):LongWord;
Description: Convert a reader lock on an existing Synchronizer entry to a writer lock


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function SynchronizerWriterCount(Synchronizer:TSynchronizerHandle):LongWord;
Description: Get the current writer count of an existing Synchronizer entry


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function SynchronizerWriterOwner(Synchronizer:TSynchronizerHandle):TThreadHandle;
Description: Get the current writer owner of an existing Synchronizer entry


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function SynchronizerWriterLock(Synchronizer:TSynchronizerHandle):LongWord;
Description: Lock an existing Synchronizer entry for writing


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function SynchronizerWriterLockEx(Synchronizer:TSynchronizerHandle; Timeout:LongWord):LongWord;
Description: Lock an existing Synchronizer entry for writing


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function SynchronizerWriterUnlock(Synchronizer:TSynchronizerHandle):LongWord;
Description: Unlock an existing Synchronizer entry


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function SynchronizerWriterConvert(Synchronizer:TSynchronizerHandle):LongWord;
Description: Convert a writer lock on an existing Synchronizer entry to a reader lock


List functions

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function ListCreate:TListHandle;
Description: Create and insert a new List entry


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function ListCreateEx(ListType:LongWord; Flags:LongWord):TListHandle;
Description: Create and insert a new List entry


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function ListDestroy(List:TListHandle):LongWord;
Description: Destroy and remove an existing List entry


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function ListAddFirst(List:TListHandle; Element:PListElement):LongWord;
Description: Add the supplied element as the first item in the List


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function ListAddLast(List:TListHandle; Element:PListElement):LongWord;
Description: Add the supplied element as the last item in the List


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function ListInsert(List:TListHandle; Previous,Element:PListElement):LongWord;
Description: Insert a new element in the List


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