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
  13 #ifdef CONFIG_IPC
  14
  15 #include <setjmp.h>
  16 #include "wintypes.h"
  17 #include "windows.h"
  18 #define DDE_PROCS 64
  19 #define DDE_WINDOWS 64
  20 struct _dde_proc {
  21     int msg;                    /* message queue for this process */
  22     int shmid;                  /* first shared memory block id. */
  23     int sem;                    /* semaphore for fragment allocation */
  24     int pid;
  25 } ;
  26 typedef struct _dde_proc *dde_proc;
  27
  28 extern sigjmp_buf env_wait_x;
  29 enum stop_wait_op {             /* The action to be taken upon SIGUSR2 */
  30     CONT,                       /* Don't do anything */
  31     STOP_WAIT_ACK,              /* Use siglongjmp to stop wait_ack() */
  32     STOP_WAIT_X                 /* siglongjmp to stop MSG_WaitXEvent() */
  33 };
  34
  35 typedef struct {
  36     WORD  proc_idx;             /* index into wine's process table  */
  37     HWND  wnd;                  /* Window on the local proccess */
  38 } WND_DATA;
  39 extern enum stop_wait_op stop_wait_op;
  40 extern int had_SIGUSR2;
  41
  42 extern int curr_proc_idx;
  43 void stop_wait(int a);             /* signal handler for SIGUSR2
  44                                       (interrupts "select" system call) */
  45 void dde_proc_init(dde_proc proc); /* init proc array */
  46 void dde_proc_done(dde_proc proc); /* delete a proc entry */
  47 void dde_proc_refresh(dde_proc proc); /* delete entry, if old junk */
  48 void dde_proc_add(dde_proc proc);  /* Add current proc to proc array */
  49 void dde_msg_setup(int *msg_ptr);
  50 int  dde_reschedule();
  51 void dde_wnd_setup();              /* setup Data structure of DDE windows */
  52
  53 /* Send ack. to hnd indicating that posted/sent msg. got to destination*/
  54 void dde_proc_send_ack(HWND wnd, BOOL val);
  55 BOOL DDE_PostMessage( MSG16 *msg);
  56 BOOL DDE_SendMessage( MSG16 *msg);
  57 int DDE_GetRemoteMessage();
  58 void DDE_DestroyWindow(HWND hwnd); /* delete DDE info regarding hwnd */
  59 void DDE_TestDDE(HWND hwnd);       /* do we have dde handling in the window ?*/
  60
  61 #endif  /* CONFIG_IPC */
  62
  63 #endif /* __WINE_DDE_PROC_H */