Syntax

typedef struct tagThreadInfo {
    RTHANDLE    OwnerProcess;
    RTHANDLE    NextThread;
    LPPROC      ExceptionHandler;
    WORD        ExceptionHandler_seg;
    BYTE        ExceptionMode;
    BYTE        _fill0;
    BYTE        StaticPriority;
    BYTE        DynamicPriority;
    BYTE        ThreadFlags;
    BYTE        InterruptThread;
    BYTE        PendingInterrupts;
    BYTE        MaxInterrupts;
    WORD        IntLevel;
    BYTE        ThreadState;
    BYTE        SuspendDepth;
    WORD        DelayRequest;
    RTHANDLE    LastExchange;
    DWORD       KnDelayRequest;
    KNHANDLE    LastKnExchange;
} THREADINFO_SNAPSHOT, far *LPTHREADINFO_SNAPSHOT;

Fields

OwnerProcess

Handle for the process containing the target thread.

NextThread

Handle for the next thread on the system thread list, which allows easy scanning of all threads in the system.

ExceptionHandler

Pointer to the thread's current exception handler. The ExceptionHandler field contains the selector for the full (48-bit) pointer.

fill0

Reserved.

ExceptionMode

The system exception mode for the thread. See description of ExceptionMode in EXCEPTION structure.

StaticPriority

The thread's assigned priority when it was created.

DynamicPriority

The thread's current priority, which can be dynamically raised by accessing a region.

ThreadFlags

The thread flags specified when the thread was created.

InterruptThread

One of these:

Non-zero	The thread is an interrupt thread and the next three fields are valid.
0 (zero)	The thread is not an interrupt thread; ignore the next three fields.

PendingInterrupts

Number of interrupts currently pending at the interrupt level associated with this interrupt thread.

MaxInterrupts

Maximum number of interrupts that can be pending at the interrupt level associated with this interrupt thread.

IntLevel

Interrupt level associated with this interrupt thread.

ThreadState

One of the following indicates the thread's current state:

Value	Meaning
0x00	Ready and running
0x01	Ready and not running
0x02	Asleep
0x03	Waiting at an exchange object
0x04	Waiting at a region
0x05	Waiting at an object directory
0x06	Waiting at a port (deprecated)
0x07	Being deleted
0x08	Waiting at a kernel object
0x10	Suspended
0x11	Self-suspended
0x12	Asleep/Suspended
0x13	Waiting at an exchange and Suspended
0x14	Waiting at a region and Suspended
0x15	Waiting at an object directory and Suspended
0x16	Waiting at a port and Suspended (deprecated)
0x17	Being deleted and Suspended
0x18	Waiting at a low-level object
0x20	Suspended after a fault occurred
0xff	Thread state unknown

SuspendDepth

Suspension depth of the thread, which is non-zero only if the thread has been overtly suspended (as opposed to being suspended by the OS).

DelayRequest

Amount of time the thread has been waiting at an exchange. This field is zero if the thread has been waiting at any other type of object.

LastExchange

The handle for an exchange object (for example, mailbox or semaphore) at which the thread is waiting. This field is zero if the thread is not waiting at an exchange.

KnDelayRequest

Amount of time the thread has been waiting at a low-level exchange. This field is zero if the thread has been waiting at any other type of object.

LastKnExchange

The handle for a low-level exchange object (for example, mailbox or semaphore) at which the thread is waiting. This field is 0 (zero) if the thread is not waiting at a low-level exchange.

See Also

GetRtThreadInfo