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132 lines
5.4 KiB
C
132 lines
5.4 KiB
C
/*
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* Thread definitions
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*
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* Copyright 1996 Alexandre Julliard
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*/
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#ifndef __WINE_THREAD_H
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#define __WINE_THREAD_H
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#include "config.h"
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#include "winbase.h"
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#include "syslevel.h"
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#include "selectors.h" /* for SET_FS */
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struct _PDB;
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struct __EXCEPTION_FRAME;
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/* Thread exception block */
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typedef struct _TEB
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{
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struct __EXCEPTION_FRAME *except; /* 00 Head of exception handling chain */
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void *stack_top; /* 04 Top of thread stack */
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void *stack_low; /* 08 Stack low-water mark */
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HTASK16 htask16; /* 0c Win16 task handle */
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WORD stack_sel; /* 0e 16-bit stack selector */
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DWORD selman_list; /* 10 Selector manager list */
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DWORD user_ptr; /* 14 User pointer */
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struct _TEB *self; /* 18 Pointer to this structure */
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WORD flags; /* 1c Flags */
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WORD mutex_count; /* 1e Win16 mutex count */
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DWORD debug_context; /* 20 Debug context */
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void *tid; /* 24 Thread id */
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HQUEUE16 queue; /* 28 Message queue */
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WORD pad1; /* 2a */
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LPVOID *tls_ptr; /* 2c Pointer to TLS array */
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struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
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} TEB;
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/* Thread exception flags */
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#define TEBF_WIN32 0x0001
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#define TEBF_TRAP 0x0002
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/* Thread database */
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typedef struct _THDB
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{
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LONG header[2]; /* 00 Kernel object header */
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struct _PDB *process; /* 08 Process owning this thread */
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HANDLE event; /* 0c Thread event */
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TEB teb; /* 10 Thread exception block */
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DWORD flags; /* 44 Flags */
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DWORD exit_code; /* 48 Termination status */
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WORD teb_sel; /* 4c Selector to TEB */
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WORD emu_sel; /* 4e 80387 emulator selector */
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int thread_errno; /* 50 Per-thread errno (was: unknown) */
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void *wait_list; /* 54 Event waiting list */
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int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
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void *ring0_thread; /* 5c Pointer to ring 0 thread */
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void *ptdbx; /* 60 Pointer to TDBX structure */
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void *stack_base; /* 64 Base of the stack */
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void *signal_stack; /* 68 Signal stack (was: exit_stack) */
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void *emu_data; /* 6c Related to 80387 emulation */
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DWORD last_error; /* 70 Last error code */
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void *debugger_CB; /* 74 Debugger context block */
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DWORD debug_thread; /* 78 Thread debugging this one (?) */
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void *pcontext; /* 7c Thread register context */
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DWORD cur_stack; /* 80 Current stack (was: unknown) */
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DWORD unknown3[2]; /* 84 Unknown */
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WORD current_ss; /* 8c Another 16-bit stack selector */
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WORD pad2; /* 8e */
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void *ss_table; /* 90 Pointer to info about 16-bit stack */
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WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
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WORD pad3; /* 96 */
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LPVOID tls_array[64]; /* 98 Thread local storage */
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DWORD delta_priority; /* 198 Priority delta */
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DWORD unknown4[7]; /* 19c Unknown */
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void *create_data; /* 1b8 Pointer to creation structure */
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DWORD suspend_count; /* 1bc SuspendThread() counter */
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void *entry_point; /* 1c0 Thread entry point (was: unknown) */
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void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
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DWORD unknown5[4]; /* 1c8 Unknown */
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DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
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SYSLEVEL *sys_mutex[4]; /* 1e8 Syslevel mutex pointers */
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DWORD unknown6[2]; /* 1f8 Unknown */
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/* The following are Wine-specific fields */
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int socket; /* Socket for server communication */
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unsigned int seq; /* Server sequence number */
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void (*startup)(void); /* Thread startup routine */
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struct _THDB *next; /* Global thread list */
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DWORD cleanup; /* Cleanup service handle */
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} THDB;
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/* The pseudo handle value returned by GetCurrentThread */
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#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
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/* The per-thread signal stack size */
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#define SIGNAL_STACK_SIZE 16384
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/* scheduler/thread.c */
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extern THDB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
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extern THDB *THREAD_Create( struct _PDB *pdb, DWORD flags,
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DWORD stack_size, BOOL alloc_stack16,
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LPSECURITY_ATTRIBUTES sa, int *server_handle );
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extern BOOL THREAD_IsWin16( THDB *thdb );
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extern THDB *THREAD_IdToTHDB( DWORD id );
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/* scheduler/sysdeps.c */
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extern int SYSDEPS_SpawnThread( THDB *thread );
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extern void SYSDEPS_SetCurThread( THDB *thread );
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extern void SYSDEPS_ExitThread(void);
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extern TEB * WINAPI NtCurrentTeb(void);
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/* return the current thread TEB pointer */
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static inline TEB *CURRENT(void)
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{
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#ifdef __i386__
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TEB *teb;
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__asm__( ".byte 0x64\n\tmovl (0x18),%0" : "=r" (teb) );
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return teb;
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#else
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return NtCurrentTeb();
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#endif
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}
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/* return the current thread THDB pointer */
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static inline THDB *THREAD_Current(void)
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{
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TEB *teb = CURRENT();
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return (THDB *)((char *)teb - (int)&((THDB *)0)->teb);
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}
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#endif /* __WINE_THREAD_H */
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