include/thread.h

   1 /*
   2  * Thread definitions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_THREAD_H
   8 #define __WINE_THREAD_H
   9
  10 #include "process.h"
  11 #include "winnt.h"
  12
  13 /* Thread exception block */
  14 typedef struct _TEB
  15 {
  16     void        *except;         /* 00 Head of exception handling chain */
  17     void        *stack_top;      /* 04 Top of thread stack */
  18     void        *stack_low;      /* 08 Stack low-water mark */
  19     HTASK16      htask16;        /* 0c Win16 task handle */
  20     WORD         stack_sel;      /* 0e 16-bit stack selector */
  21     DWORD        selman_list;    /* 10 Selector manager list */
  22     DWORD        user_ptr;       /* 14 User pointer */
  23     struct _TEB *self;           /* 18 Pointer to this structure */
  24     WORD         flags;          /* 1c Flags */
  25     WORD         mutex_count;    /* 1e Win16 mutex count */
  26     DWORD        debug_context;  /* 20 Debug context */
  27     DWORD       *ppriority;      /* 24 Pointer to current priority */
  28     HQUEUE16     queue;          /* 28 Message queue */
  29     WORD         pad1;           /* 2a */
  30     LPVOID      *tls_ptr;        /* 2c Pointer to TLS array */
  31 } TEB;
  32
  33 /* Thread database */
  34 typedef struct _THDB
  35 {
  36     K32OBJ       header;         /*  00 Kernel object header */
  37     PDB32       *process;        /*  08 Process owning this thread */
  38     K32OBJ      *event;          /*  0c Thread event */
  39     TEB          teb;            /*  10 Thread exception block */
  40     PDB32       *process2;       /*  40 Same as offset 08 (?) */
  41     DWORD        flags;          /*  44 Flags */
  42     DWORD        exit_code;      /*  48 Termination status */
  43     WORD         teb_sel;        /*  4c Selector to TEB */
  44     WORD         emu_sel;        /*  4e 80387 emulator selector */
  45     DWORD        unknown1;       /*  50 Unknown */
  46     void        *wait_list;      /*  54 Event waiting list */
  47     DWORD        unknown2;       /*  58 Unknown */
  48     void        *ring0_thread;   /*  5c Pointer to ring 0 thread */
  49     void        *ptdbx;          /*  60 Pointer to TDBX structure */
  50     void        *stack_base;     /*  64 Base of the stack */
  51     void        *exit_stack;     /*  68 Stack pointer on thread exit */
  52     void        *emu_data;       /*  6c Related to 80387 emulation */
  53     DWORD        last_error;     /*  70 Last error code */
  54     void        *debugger_CB;    /*  74 Debugger context block */
  55     DWORD        debug_thread;   /*  78 Thread debugging this one (?) */
  56     void        *pcontext;       /*  7c Thread register context */
  57     DWORD        unknown3[3];    /*  80 Unknown */
  58     WORD         current_ss;     /*  8c Another 16-bit stack selector */
  59     WORD         pad2;           /*  8e */
  60     void        *ss_table;       /*  90 Pointer to info about 16-bit stack */
  61     WORD         thunk_ss;       /*  94 Yet another 16-bit stack selector */
  62     WORD         pad3;           /*  96 */
  63     LPVOID       tls_array[64];  /*  98 Thread local storage */
  64     DWORD        delta_priority; /* 198 Priority delta */
  65     DWORD        unknown4[7];    /* 19c Unknown */
  66     void        *create_data;    /* 1b8 Pointer to creation structure */
  67     DWORD        suspend_count;  /* 1bc SuspendThread() counter */
  68     DWORD        unknown5[9];    /* 1c0 Unknown */
  69     K32OBJ      *crit_section;   /* 1e4 Some critical section */
  70     K32OBJ      *win16_mutex;    /* 1e8 Pointer to Win16 mutex */
  71     K32OBJ      *win32_mutex;    /* 1ec Pointer to KERNEL32 mutex */
  72     K32OBJ      *crit_section2;  /* 1f0 Another critical section */
  73     DWORD        unknown6[3];    /* 1f4 Unknown */
  74     /* The following are Wine-specific fields */
  75     CONTEXT      context;        /* 200 Thread context */
  76 } THDB;
  77
  78
  79 extern THDB *THREAD_Create( PDB32 *pdb, DWORD stack_size,
  80                             LPTHREAD_START_ROUTINE start_addr );
  81 extern void THREAD_Destroy( K32OBJ *ptr );
  82
  83 extern THDB *pCurrentThread;
  84
  85 #endif  /* __WINE_THREAD_H */