/* $Id: OS2KTCB.h,v 1.3 2001-07-10 05:22:57 bird Exp $ * * TCB - Thread Control Block access methods. * * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@mynd.no) * * Project Odin Software License can be found in LICENSE.TXT * */ #ifndef _OS2KTCB_h_ #define _OS2KTCB_h_ #ifdef __cplusplus extern "C" { #endif /******************************************************************************* * Defined Constants And Macros * *******************************************************************************/ /* * sg24-4640-00: TCBForcedActions flag definitions: */ #define TK_FF_BUF 0x00000001 /* Buffer must be released */ #define TK_FF_EXIT 0x00000002 /* Call TKExit (old FF_DES) */ #define TK_FF_CRITSEC 0x00000004 /* Enter Per-task critical section */ #define TK_FF_ICE 0x00000008 /* Freeze thread */ #define TK_FF_NPX 0x00000010 /* NPX Error */ #define TK_FF_TIB 0x00000020 /* Update the TIB */ #define TK_FF_TRC 0x00000040 /* Enter Debug */ #define TK_FF_SIG 0x00000080 /* Signal pending */ #define TK_FF_CTXH 0x00000100 /* Pending local context hooks */ #define TK_FF_STIH 0x00000200 /* Execute STI hooks */ #define TK_FF_VDMBP 0x00000400 /* Execute VDM BP hooks */ #define TK_FF_RTRY 0x00000800 /* Retry V86 system call */ #define TK_FF_PIB 0x00001000 /* Update the PIB */ #define TK_FF_SCH 0x00002000 /* Do Scheuler Processing */ #define TK_FF_TFBIT 0x00004000 /* Validate user eflags TF bit */ #define TK_FF_TIBPRI 0x00008000 /* Update only the priority fields in TIB */ /* * sg24-4640-00: TCBEntryActions flag definitions: */ #define TK_EF_PFCLI 1 /* Page fault inside CLI */ #define TK_EF_TRC 2 /* DosDebug action pending */ /* * sg24-4640-00: TCBWakeFlags flag definitions: */ #define TK_WF_INTERRUPTED 0x01 /* Sleep was interrupted */ #define TK_WF_TIMEEXP 0x02 /* Timeout expired */ #define TK_WF_INTPENDING 0x04 /* Interrupt pending */ #define TK_WF_SINGLEWAKEUP 0x08 /* Thread wants single wakeup */ #define TK_WF_INTERRUPTIBLE 0x10 /* Thread blocked interruptibly */ #define TK_WF_TIMEOUT 0x20 /* Thread blocked with timeout */ #define TK_WF_SLEEPING 0x40 /* In TKSleep() */ /* * sg24-4640-00: TCBState and TCBQState definitions: */ #define STATE_VOID 0 /* Uninitialized */ #define STATE_READY 1 /* Ready to run */ #define STATE_BLOCKED 2 /* Blocked on an ID */ #define STATE_SUSPENDED 3 /* Suspended (DosSuspendThread) */ #define STATE_CRITSEC 4 /* Blocked by another CritSec thread */ #define STATE_RUNNING 5 /* Thread currently running */ #define STATE_READYBOOST 6 /* Ready, but apply an IO boost */ #define STATE_TSD 7 /* Thread waiting for TSD */ #define STATE_DELAYED 8 /* Delayed TKWakeup (Almost Ready) */ #define STATE_FROZEN 9 /* Frozen Thread (FF_ICE) */ #define STATE_GETSTACK 10 /* Incomming TSD */ #define STATE_BADSTACK 11 /* TSD failed to swap in */ /* * sg24-4640-00: TCBPriClassMod definitions: */ #define CLASSMOD_KEYBOARD 0x04 /* Keyboard boost */ #define CLASSMOD_STARVED 0x08 /* Starvation boost */ #define CLASSMOD_DEVICE 0x10 /* Device I/O Done Boost */ #define CLASSMOD_FOREGROUND 0x20 /* Foreground boost */ #define CLASSMOD_WINDOW 0x40 /* Window Boost */ #define CLASSMOD_VDM_INTERRUPT 0x80 /* VDM simulated interrupt boost */ /* * sg24-4640-00: TCBPriClass definitions: */ #define CLASS_NOCHANGE 0x00 /* No priority class change */ #define CLASS_IDLE_TIME 0x01 /* Idle - Time class */ #define CLASS_REGULAR 0x02 /* Regular class */ #define CLASS_TIME_CRITICAL 0x03 /* Time-Critical class */ #define CLASS_SERVER 0x04 /* Client-Server Server class */ /* * sg24-4640-00: TCBSchFlg flag definitions: */ #define SCH_PROTECTED_PRI 0x0001 /* Only Intra-process SetPri allowed */ #define SCH_WINDOWBOOST_LOCK 0x0002 /* Lock out windoboost changes */ #define SCH_MINSLICE 0x0004 /* Use minimum timeslice */ #define SCH_PAGE_FAULT 0x0008 /* Dynamic timeslicing ### */ #define SCH_PAGE_FAULT_BIT 0x03 /* Dynamic timeslicing P728371 */ /* * sg24-4640-00: TCBfSwapping flag definitions: */ #define SM_TCB_SWAPPING 0x01 /* swap i/o underway */ #define SM_TCB_RESIZING 0x02 /* data structures are growing */ /* * sg24-4640-00: TCBMiscFlags flag definitions: */ #define TMF_CMapFailed (0x01) /* Set if alloc/realloc failed on a cluster */ /* map (mft_selCMap). */ #define TMF_IGNORE_HE (0x02) /* If set, ignore (auto fail) hard error */ #define TMF_MULT_XCPT (0x04) /* Set if multiple ring 0 exceptions */ #define TMF_NoFwd (0x08) /* Set if inhibiting forwarders */ #define TMF_EXIT_TERM (0x10) /* TK_FF_EXIT means TKTermThread */ #define TMF_NO_EXCEPT (0x20) /* Indicates TIB exception field invalid */ #define TMF_XCPT_HE (0x40) /* Indicates an exception harderr is */ /* pending */ /* * sg24-4640-00: TCBMSpareFlags flag definitions: */ #define SPFLAGS_FGND_DISKIO 0x0080 /* Foreground Disk I/O */ /* * sg24-4640-00: TCBReqPktFlg flag definitions: */ #define TK_RP_ALLOCATED 0x01 #define TK_RP_INUSE 0x02 /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ typedef struct _TCB { char dummy; } TCB, *PTCB, **PPTCB; extern PPTCB ppTCBCur; /******************************************************************************* * Defined Constants And Macros * *******************************************************************************/ /** * Gets pointer to the current TCB. * @returns Pointer to the current thread control block (TCB). * NULL if not task-time. */ #define tcbGetCur() *ppTCBCur USHORT tcbGetTCBFailErr(PTCB pTCB); USHORT tcbSetTCBFailErr(PTCB pTCB, USHORT TCBFailErr); #ifdef __cplusplus } #endif #endif