ipc/dde_proc_test.c

   1 /***************************************************************************
   2  * Copyright 1995, Technion, Israel Institute of Technology
   3  * Electrical Eng, Software Lab.
   4  * Author:    Michael Veksler.
   5  ***************************************************************************
   6  * File:      dde_proc.c
   7  * Purpose :  test DDE signals and processes functionality for DDE
   8  * Usage:     run two independant processes, one with an argument another
   9  *            without (with the argument is the server).
  10  ***************************************************************************
  11  */
  12 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
  13 #include <sys/syscall.h>
  14 #include <sys/param.h>
  15 #else
  16 #include <syscall.h>
  17 #endif
  18 #include <stdio.h>
  19 #include <unistd.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <signal.h>
  23 #include <win.h>
  24 #include "dde.h"
  25 #include "dde_proc.h"
  26 #include "shm_main_blk.h"
  27
  28 #if !defined(BSD4_4) || defined(linux) || defined(__FreeBSD__)
  29 char * cstack[4096];
  30 #endif
  31 #ifdef linux
  32 extern void ___sig_restore();
  33 extern void ___masksig_restore();
  34
  35 /* Similar to the sigaction function in libc, except it leaves alone the
  36    restorer field */
  37
  38 static int
  39 wine_sigaction(int sig,struct sigaction * new, struct sigaction * old)
  40 {
  41         __asm__("int $0x80":"=a" (sig)
  42                 :"0" (SYS_sigaction),"b" (sig),"c" (new),"d" (old));
  43         if (sig>=0)
  44                 return 0;
  45         errno = -sig;
  46         return -1;
  47 }
  48 #endif
  49
  50 struct sigaction usr2_act;
  51
  52
  53 void init_signals()
  54 {
  55 #ifdef linux
  56   usr2_act.sa_handler = (__sighandler_t) stop_wait;
  57   usr2_act.sa_flags = 0;
  58   usr2_act.sa_restorer =
  59     (void (*)()) (((unsigned int)(cstack) + sizeof(cstack) - 4) & ~3);
  60   wine_sigaction(SIGUSR2,&usr2_act,NULL);
  61 #endif
  62 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
  63   usr2_act.sa_hadnler = (void (*)) stop_wait;
  64   usr2_act.sa_flags = SA_ONSTACK;
  65   usr2_act.sa_mask = sig_mask;
  66   usr2_act.sa_restorer =
  67     (void (*)()) (((unsigned int)(cstack) + sizeof(cstack) - 4) & ~3);
  68   if (sigaction(SIGUSR2,&usr2_act,NULL) <0) {
  69      perror("sigaction: SIGUSR2");
  70      exit(1);
  71   }
  72 #endif
  73 }
  74 void ATOM_GlobalInit()
  75 {
  76   printf("ATOM_GlobalInit\n");
  77 }
  78
  79
  80 void idle_loop()
  81 {
  82   int timeout;
  83   for(timeout=500; timeout ; timeout--) {
  84      if (DDE_GetRemoteMessage())
  85          exit(0); ;
  86      usleep(1000);
  87   }
  88   exit(-1);
  89 }
  90
  91 void client()
  92 {
  93   MSG msg;
  94   msg.hwnd=(HWND)-1;
  95   msg.message= WM_DDE_INITIATE;
  96   msg.wParam= 3;
  97   msg.lParam= 4;
  98   if (!DDE_SendMessage(&msg))
  99        exit(-1);
 100   idle_loop();
 101 }
 102 void server()
 103 {
 104   DDE_IPC_init();
 105   idle_loop();
 106 }
 107
 108 int main(int argc, char *argv[])
 109 {
 110   printf("Kill when done one message\n");
 111   init_signals();
 112   if (argc>1)
 113      server();
 114   else
 115      client();
 116   return 0;
 117 }