include/dde_proc.h

   1 /***************************************************************************
   2  * Copyright 1995, Technion, Israel Institute of Technology
   3  * Electrical Eng, Software Lab.
   4  * Author:    Michael Veksler.
   5  ***************************************************************************
   6  * File:      dde_proc.h
   7  * Purpose :  DDE signals and processes functionality for DDE
   8  ***************************************************************************
   9  */
  10 #ifndef __WINE_DDE_PROC_H
  11 #define __WINE_DDE_PROC_H
  12 #include <setjmp.h>
  13 #include "wintypes.h"
  14 #include "windows.h"
  15 #define DDE_PROCS 64
  16 #define DDE_WINDOWS 64
  17 struct _dde_proc {
  18     int msg;                    /* message queue for this process */
  19     int shmid;                  /* first shared memory block id. */
  20     int sem;                    /* semaphore for fragment allocation */
  21     int pid;
  22 } ;
  23 typedef struct _dde_proc *dde_proc;
  24
  25 extern sigjmp_buf env_wait_x;
  26 enum stop_wait_op {             /* The action to be taken upon SIGUSR2 */
  27     CONT,                       /* Don't do anything */
  28     STOP_WAIT_ACK,              /* Use siglongjmp to stop wait_ack() */
  29     STOP_WAIT_X                 /* siglongjmp to stop MSG_WaitXEvent() */
  30 };
  31
  32 typedef struct {
  33     WORD  proc_idx;             /* index into wine's process table  */
  34     HWND  wnd;                  /* Window on the local proccess */
  35 } WND_DATA;
  36 extern enum stop_wait_op stop_wait_op;
  37 extern int had_SIGUSR2;
  38
  39 extern int curr_proc_idx;
  40 void stop_wait(int a);             /* signal handler for SIGUSR2
  41                                       (interrupts "select" system call) */
  42 void dde_proc_init(dde_proc proc); /* init proc array */
  43 void dde_proc_done(dde_proc proc); /* delete a proc entry */
  44 void dde_proc_refresh(dde_proc proc); /* delete entry, if old junk */
  45 void dde_proc_add(dde_proc proc);  /* Add current proc to proc array */
  46 void dde_msg_setup(int *msg_ptr);
  47 int  dde_reschedule();
  48 void dde_wnd_setup();              /* setup Data structure of DDE windows */
  49
  50 /* Send ack. to hnd indicating that posted/sent msg. got to destination*/
  51 void dde_proc_send_ack(HWND wnd, BOOL val);
  52 BOOL DDE_PostMessage( MSG *msg);
  53 BOOL DDE_SendMessage( MSG *msg);
  54 int DDE_GetRemoteMessage();
  55 void DDE_DestroyWindow(HWND hwnd); /* delete DDE info regarding hwnd */
  56 void DDE_TestDDE(HWND hwnd);       /* do we have dde handling in the window ?*/
  57 #endif /* __WINE_DDE_PROC_H */