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/*
* Thread definitions
*
* Copyright 1996 Alexandre Julliard
*/
#ifndef __WINE_THREAD_H
#define __WINE_THREAD_H
#include "config.h"
#include "winbase.h"
#include "syslevel.h"
#include "selectors.h" /* for SET_FS */
struct _PDB;
struct __EXCEPTION_FRAME;
/* Thread exception block */
typedef struct _TEB
{
struct __EXCEPTION_FRAME *except; /* 00 Head of exception handling chain */
void *stack_top; /* 04 Top of thread stack */
void *stack_low; /* 08 Stack low-water mark */
HTASK16 htask16; /* 0c Win16 task handle */
WORD stack_sel; /* 0e 16-bit stack selector */
DWORD selman_list; /* 10 Selector manager list */
DWORD user_ptr; /* 14 User pointer */
struct _TEB *self; /* 18 Pointer to this structure */
WORD flags; /* 1c Flags */
WORD mutex_count; /* 1e Win16 mutex count */
DWORD debug_context; /* 20 Debug context */
void *tid; /* 24 Thread id */
HQUEUE16 queue; /* 28 Message queue */
WORD pad1; /* 2a */
LPVOID *tls_ptr; /* 2c Pointer to TLS array */
struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
int socket; /* 34 Socket for server communication */
DWORD exit_code; /* 38 Termination status */
WORD teb_sel; /* 3c Selector to TEB */
WORD emu_sel; /* 3e 80387 emulator selector */
DWORD unknown1; /* 40 seems to be used by IE */
DWORD unknown2; /* 44 */
void (*startup)(void); /* 48 Thread startup routine */
int thread_errno; /* 4c Per-thread errno (was: ring0_thread) */
int thread_h_errno; /* 50 Per-thread h_errno (was: ptr to tdbx structure) */
void *stack_base; /* 54 Base of the stack */
void *signal_stack; /* 58 Signal stack (was: exit_stack) */
void *emu_data; /* 5c Related to 80387 emulation */
DWORD last_error; /* 60 Last error code */
HANDLE event; /* 64 Thread event (was: debugger context block) */
DWORD debug_thread; /* 68 Thread debugging this one (?) */
void *pcontext; /* 6c Thread register context */
DWORD cur_stack; /* 70 Current stack (was: unknown) */
DWORD unknown3[2]; /* 74 Unknown */
WORD current_ss; /* 7c Another 16-bit stack selector */
WORD pad2; /* 7e */
void *ss_table; /* 80 Pointer to info about 16-bit stack */
WORD thunk_ss; /* 84 Yet another 16-bit stack selector */
WORD pad3; /* 86 */
LPVOID tls_array[64]; /* 88 Thread local storage */
DWORD delta_priority; /* 188 Priority delta */
DWORD unknown4[7]; /* 18c Unknown */
void *create_data; /* 1a8 Pointer to creation structure */
DWORD suspend_count; /* 1ac SuspendThread() counter */
void *entry_point; /* 1b0 Thread entry point (was: unknown) */
void *entry_arg; /* 1b4 Entry point arg (was: unknown) */
DWORD unknown5[4]; /* 1b8 Unknown */
DWORD sys_count[4]; /* 1c8 Syslevel mutex entry counters */
SYSLEVEL *sys_mutex[4]; /* 1d8 Syslevel mutex pointers */
DWORD unknown6[2]; /* 1e8 Unknown */
/* The following are Wine-specific fields */
struct _TEB *next; /* Global thread list */
DWORD cleanup; /* Cleanup service handle */
void *buffer; /* Buffer shared with server */
int buffer_size; /* Size of server buffer */
} TEB;
/* Thread exception flags */
#define TEBF_WIN32 0x0001
#define TEBF_TRAP 0x0002
/* The pseudo handle value returned by GetCurrentThread */
#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
/* The per-thread signal stack size */
#define SIGNAL_STACK_SIZE 16384
/* scheduler/thread.c */
extern TEB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
extern TEB *THREAD_Create( struct _PDB *pdb, DWORD flags,
DWORD stack_size, BOOL alloc_stack16,
LPSECURITY_ATTRIBUTES sa, int *server_handle );
extern BOOL THREAD_IsWin16( TEB *thdb );
extern TEB *THREAD_IdToTEB( DWORD id );
/* scheduler/sysdeps.c */
extern int SYSDEPS_SpawnThread( TEB *teb );
extern void SYSDEPS_SetCurThread( TEB *teb );
extern void SYSDEPS_ExitThread(void);
#define SetLastError(err) ((void)(NtCurrentTeb()->last_error = (err)))
#define GetCurrentThreadId() ((DWORD)NtCurrentTeb()->tid)
#endif /* __WINE_THREAD_H */
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