mirror of
git://source.winehq.org/git/wine.git
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62a8b43301
Added user APCs support. Many changes to the xterm console to make use of the server (not finished yet). Moved some other small stuff to the server.
166 lines
6.6 KiB
C
166 lines
6.6 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 "k32obj.h"
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#include "windows.h"
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#include "winbase.h"
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#include "winnt.h"
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#include "selectors.h" /* for SET_FS */
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#ifdef linux
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#define HAVE_CLONE_SYSCALL
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#endif
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/* This is what we will use on *BSD, once threads using rfork() get
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* implemented:
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*
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* #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
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* #define HAVE_RFORK
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* #endif
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*/
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#if (defined(HAVE_CLONE_SYSCALL) || defined(HAVE_RFORK)) && !defined(NO_REENTRANT_LIBC)
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#define USE_THREADS
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#endif
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struct _PDB32;
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/* Thread exception block */
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typedef struct _TEB
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{
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void *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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DWORD *ppriority; /* 24 Pointer to current priority */
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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 _PDB32 *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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/* Event waiting structure */
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typedef struct
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{
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DWORD count; /* Count of valid objects */
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BOOL32 wait_all; /* Wait for all objects flag */
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K32OBJ *objs[MAXIMUM_WAIT_OBJECTS]; /* Object pointers */
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int server[MAXIMUM_WAIT_OBJECTS]; /* Server handles */
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} WAIT_STRUCT;
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/* Thread database */
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typedef struct _THDB
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{
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K32OBJ header; /* 00 Kernel object header */
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struct _PDB32 *process; /* 08 Process owning this thread */
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HANDLE32 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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WAIT_STRUCT *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 *exit_stack; /* 68 Stack pointer on thread exit */
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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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int unix_pid; /* 1c8 Unix thread pid (was: unknown) */
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DWORD unknown5[3]; /* 1cc Unknown */
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DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
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CRITICAL_SECTION *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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WAIT_STRUCT wait_struct; /* 200 Event wait structure */
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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 *server_tid; /* Server id for this thread */
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} THDB;
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/* Thread queue entry */
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typedef struct _THREAD_ENTRY
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{
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THDB *thread;
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struct _THREAD_ENTRY *next;
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} THREAD_ENTRY;
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/* A thread queue is a circular list; a THREAD_QUEUE is a pointer */
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/* to the end of the queue (i.e. where we add elements) */
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typedef THREAD_ENTRY *THREAD_QUEUE;
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/* THDB <-> Thread id conversion macros */
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#define THREAD_OBFUSCATOR ((DWORD)0xdeadbeef)
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#define THREAD_ID_TO_THDB(id) ((THDB *)((id) ^ THREAD_OBFUSCATOR))
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#define THDB_TO_THREAD_ID(thdb) ((DWORD)(thdb) ^ THREAD_OBFUSCATOR)
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/* The pseudo handle value returned by GetCurrentThread */
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#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
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#ifdef __i386__
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/* On the i386, the current thread is in the %fs register */
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# define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
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#else
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extern THDB *pCurrentThread;
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# define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
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#endif /* __i386__ */
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/* scheduler/thread.c */
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extern THDB *THREAD_Create( struct _PDB32 *pdb, DWORD stack_size,
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BOOL32 alloc_stack16,
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int *server_thandle, int *server_phandle,
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LPTHREAD_START_ROUTINE start_addr, LPVOID param );
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extern THDB *THREAD_Current(void);
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extern BOOL32 THREAD_IsWin16( THDB *thdb );
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extern THDB *THREAD_IdToTHDB( DWORD id );
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extern void THREAD_Start( THDB *thdb );
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extern void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread );
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extern void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread );
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extern DWORD THREAD_TlsAlloc( THDB *thread );
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/* scheduler/sysdeps.c */
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extern int SYSDEPS_SpawnThread( THDB *thread );
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extern void SYSDEPS_ExitThread(void);
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extern TEB * WINAPI NtCurrentTeb(void);
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#endif /* __WINE_THREAD_H */
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