187 lines
7.6 KiB
C
187 lines
7.6 KiB
C
/*
|
|
* Thread definitions
|
|
*
|
|
* Copyright 1996 Alexandre Julliard
|
|
*/
|
|
|
|
#ifndef __WINE_THREAD_H
|
|
#define __WINE_THREAD_H
|
|
|
|
#include "config.h"
|
|
#include "k32obj.h"
|
|
#include "windows.h"
|
|
#include "winbase.h"
|
|
#include "winnt.h"
|
|
#include "selectors.h" /* for SET_FS */
|
|
|
|
#ifdef linux
|
|
#define HAVE_CLONE_SYSCALL
|
|
#endif
|
|
|
|
/* This is what we will use on *BSD, once threads using rfork() get
|
|
* implemented:
|
|
*
|
|
* #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
|
|
* #define HAVE_RFORK
|
|
* #endif
|
|
*/
|
|
|
|
#if (defined(HAVE_CLONE_SYSCALL) || defined(HAVE_RFORK)) && !defined(NO_REENTRANT_LIBC)
|
|
#define USE_THREADS
|
|
#endif
|
|
|
|
struct _PDB32;
|
|
|
|
/* Thread exception block */
|
|
typedef struct _TEB
|
|
{
|
|
void *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 */
|
|
DWORD *ppriority; /* 24 Pointer to current priority */
|
|
HQUEUE16 queue; /* 28 Message queue */
|
|
WORD pad1; /* 2a */
|
|
LPVOID *tls_ptr; /* 2c Pointer to TLS array */
|
|
struct _PDB32 *process; /* 30 owning process (used by NT3.51 applets)*/
|
|
} TEB;
|
|
|
|
/* Thread exception flags */
|
|
#define TEBF_WIN32 0x0001
|
|
#define TEBF_TRAP 0x0002
|
|
|
|
/* Event waiting structure */
|
|
typedef struct
|
|
{
|
|
DWORD count; /* Count of valid objects */
|
|
DWORD signaled; /* Index of signaled object (or WAIT_FAILED)*/
|
|
BOOL32 wait_all; /* Wait for all objects flag */
|
|
BOOL32 wait_msg; /* Wait for message flag */
|
|
K32OBJ *objs[MAXIMUM_WAIT_OBJECTS]; /* Object pointers */
|
|
int server[MAXIMUM_WAIT_OBJECTS]; /* Server handles */
|
|
} WAIT_STRUCT;
|
|
|
|
/* Thread database */
|
|
typedef struct _THDB
|
|
{
|
|
K32OBJ header; /* 00 Kernel object header */
|
|
struct _PDB32 *process; /* 08 Process owning this thread */
|
|
K32OBJ *event; /* 0c Thread event */
|
|
TEB teb; /* 10 Thread exception block */
|
|
DWORD flags; /* 44 Flags */
|
|
DWORD exit_code; /* 48 Termination status */
|
|
WORD teb_sel; /* 4c Selector to TEB */
|
|
WORD emu_sel; /* 4e 80387 emulator selector */
|
|
int thread_errno; /* 50 Per-thread errno (was: unknown) */
|
|
WAIT_STRUCT *wait_list; /* 54 Event waiting list */
|
|
int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
|
|
void *ring0_thread; /* 5c Pointer to ring 0 thread */
|
|
void *ptdbx; /* 60 Pointer to TDBX structure */
|
|
void *stack_base; /* 64 Base of the stack */
|
|
void *exit_stack; /* 68 Stack pointer on thread exit */
|
|
void *emu_data; /* 6c Related to 80387 emulation */
|
|
DWORD last_error; /* 70 Last error code */
|
|
void *debugger_CB; /* 74 Debugger context block */
|
|
DWORD debug_thread; /* 78 Thread debugging this one (?) */
|
|
void *pcontext; /* 7c Thread register context */
|
|
DWORD cur_stack; /* 80 Current stack (was: unknown) */
|
|
DWORD unknown3[2]; /* 84 Unknown */
|
|
WORD current_ss; /* 8c Another 16-bit stack selector */
|
|
WORD pad2; /* 8e */
|
|
void *ss_table; /* 90 Pointer to info about 16-bit stack */
|
|
WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
|
|
WORD pad3; /* 96 */
|
|
LPVOID tls_array[64]; /* 98 Thread local storage */
|
|
DWORD delta_priority; /* 198 Priority delta */
|
|
DWORD unknown4[7]; /* 19c Unknown */
|
|
void *create_data; /* 1b8 Pointer to creation structure */
|
|
DWORD suspend_count; /* 1bc SuspendThread() counter */
|
|
void *entry_point; /* 1c0 Thread entry point (was: unknown) */
|
|
void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
|
|
int unix_pid; /* 1c8 Unix thread pid (was: unknown) */
|
|
K32OBJ *mutex_list; /* 1cc List of owned mutex (was: unknown)*/
|
|
DWORD unknown5[2]; /* 1d0 Unknown */
|
|
DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
|
|
CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
|
|
DWORD unknown6[2]; /* 1f8 Unknown */
|
|
/* The following are Wine-specific fields */
|
|
CONTEXT context; /* 200 Thread context */
|
|
WAIT_STRUCT wait_struct; /* Event wait structure */
|
|
int socket; /* Socket for server communication */
|
|
unsigned int seq; /* Server sequence number */
|
|
void *server_tid; /* Server id for this thread */
|
|
} THDB;
|
|
|
|
/* Thread queue entry */
|
|
typedef struct _THREAD_ENTRY
|
|
{
|
|
THDB *thread;
|
|
struct _THREAD_ENTRY *next;
|
|
} THREAD_ENTRY;
|
|
|
|
/* A thread queue is a circular list; a THREAD_QUEUE is a pointer */
|
|
/* to the end of the queue (i.e. where we add elements) */
|
|
typedef THREAD_ENTRY *THREAD_QUEUE;
|
|
|
|
/* THDB <-> Thread id conversion macros */
|
|
#define THREAD_OBFUSCATOR ((DWORD)0xdeadbeef)
|
|
#define THREAD_ID_TO_THDB(id) ((THDB *)((id) ^ THREAD_OBFUSCATOR))
|
|
#define THDB_TO_THREAD_ID(thdb) ((DWORD)(thdb) ^ THREAD_OBFUSCATOR)
|
|
|
|
/* The pseudo handle value returned by GetCurrentThread */
|
|
#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
|
|
|
|
#ifdef __i386__
|
|
/* On the i386, the current thread is in the %fs register */
|
|
# define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
|
|
#else
|
|
extern THDB *pCurrentThread;
|
|
# define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
|
|
#endif /* __i386__ */
|
|
|
|
|
|
/* scheduler/thread.c */
|
|
extern THDB *THREAD_Create( struct _PDB32 *pdb, DWORD stack_size,
|
|
BOOL32 alloc_stack16,
|
|
int *server_thandle, int *server_phandle,
|
|
LPTHREAD_START_ROUTINE start_addr, LPVOID param );
|
|
extern THDB *THREAD_Current(void);
|
|
extern BOOL32 THREAD_IsWin16( THDB *thdb );
|
|
extern THDB *THREAD_IdToTHDB( DWORD id );
|
|
extern void THREAD_Start( THDB *thdb );
|
|
extern THDB *THREAD_GetPtr( HANDLE32 handle, DWORD access, int *server_handle );
|
|
extern void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread );
|
|
extern void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread );
|
|
extern DWORD THREAD_TlsAlloc( THDB *thread );
|
|
|
|
/* scheduler/event.c */
|
|
extern void EVENT_Set( K32OBJ *obj );
|
|
extern K32OBJ *EVENT_Create( BOOL32 manual_reset, BOOL32 initial_state );
|
|
|
|
/* scheduler/mutex.c */
|
|
extern void MUTEX_Abandon( K32OBJ *obj );
|
|
|
|
/* scheduler/synchro.c */
|
|
extern void SYNC_WaitForCondition( WAIT_STRUCT *wait, DWORD timeout );
|
|
extern void SYNC_WakeUp( THREAD_QUEUE *queue, DWORD max );
|
|
extern void SYNC_MsgWakeUp( THDB *thdb );
|
|
extern void SYNC_SetupSignals(void);
|
|
extern DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles,
|
|
BOOL32 wait_all, DWORD timeout,
|
|
BOOL32 alertable, BOOL32 wait_msg );
|
|
|
|
|
|
/* scheduler/sysdeps.c */
|
|
extern int SYSDEPS_SpawnThread( THDB *thread );
|
|
extern void SYSDEPS_ExitThread(void);
|
|
extern TEB * WINAPI NtCurrentTeb(void);
|
|
|
|
#endif /* __WINE_THREAD_H */
|