diff --git a/src/win32/ipc.patch b/src/win32/ipc.patch
deleted file mode 100755
index 6abf26557060ce5513887021eb9db7996f6aa0ee..0000000000000000000000000000000000000000
--- a/src/win32/ipc.patch
+++ /dev/null
@@ -1,285 +0,0 @@
-*** ./ipc-daemon.c.orig	Tue Dec 01 00:04:24 1998
---- ./ipc-daemon.c	Fri Sep 24 13:34:16 1999
-***************
-*** 270,285 ****
-         {
-          itoa(100*id+Index, LBuff) ;
-          LHandle = OpenSemaphore(SEMAPHORE_ALL_ACCESS, FALSE, LBuff) ;
-! 	while (LAdrSem->current_nb[id].current_nb[Index] > 0 )
-! 	{
-!     	 WaitForSingleObject(LHandle, 0) ;
-! 	 LAdrSem->current_nb[id].current_nb[Index]-- ;
-! 	}
-! 	CloseHandle(LHandle) ;
-         }
-         LAdrSem->semary[id] = IPC_UNUSED ;
-         LAdrSem->state[id]  = 0 ;
-        }
-        else
-        {
-         for (Index = 0; Index < sma->sem_nsems; Index++)
---- 270,284 ----
-         {
-          itoa(100*id+Index, LBuff) ;
-          LHandle = OpenSemaphore(SEMAPHORE_ALL_ACCESS, FALSE, LBuff) ;
-!         while (WaitForSingleObject(LHandle, 0) == WAIT_OBJECT_0)
-!           ;
-!         LAdrSem->current_nb[id].current_nb[Index] = 0;
-!         CloseHandle(LHandle) ;
-         }
-         LAdrSem->semary[id] = IPC_UNUSED ;
-         LAdrSem->state[id]  = 0 ;
-        }
-+ /*
-        else
-        {
-         for (Index = 0; Index < sma->sem_nsems; Index++)
-***************
-*** 288,293 ****
---- 287,293 ----
-          LHandle = OpenSemaphore(SEMAPHORE_ALL_ACCESS, FALSE, LBuff) ;
-         }
-        }
-+ */
-       }
-      }
-  
-*** ./msg.c.orig	Tue Dec 01 00:16:09 1998
---- ./msg.c	Fri Sep 17 12:50:50 1999
-***************
-*** 57,62 ****
---- 57,77 ----
-  static int		  GFirstMsg	 = 0;		/*PCPC*/
-  static int		  GFdMsg	    ;		/*PCPC*/
-  
-+ /*****************************************/
-+ /*	Initialization of static variables   */
-+ /*****************************************/
-+ static pid_t GProcessId = 0;
-+ static void init_globals(void)
-+ {
-+ 	pid_t pid;
-+ 
-+ 	if (pid=getpid(), pid != GProcessId)
-+ 	{
-+ 		GFirstMsg = 0;
-+ 		msgbytes = msghdrs = msg_seq = used_queues = max_msqid = 0;
-+ 		GProcessId = pid;
-+ 	}
-+ }
-  /************************************************************************/
-  /* Demande d'acces a la zone partagee de gestion des semaphores		*/
-  /************************************************************************/
-***************
-*** 79,84 ****
---- 94,100 ----
-  {
-   int LRet ;
-  
-+  init_globals();
-   if( GFirstMsg == 0 )
-   {
-    if( IsGSemMsgExist() )
-*** ./sem.c.orig	Tue Dec 01 00:16:25 1998
---- ./sem.c	Fri Sep 17 12:47:11 1999
-***************
-*** 58,63 ****
---- 58,78 ----
-  static int		  GFirstSem	 = 0;		/*PCPC*/
-  static int		  GFdSem	    ;		/*PCPC*/
-  
-+ static pid_t	GProcessId = 0;
-+ 
-+ static void	init_globals(void)
-+ {
-+ 	pid_t pid;
-+ 
-+ 	if (pid=getpid(), pid != GProcessId)
-+ 	{
-+ 		GFirstSem = 0;
-+ 		used_sems = used_semids = max_semid = 0;
-+ 		sem_seq = 0;
-+ 		GProcessId = pid;
-+ 	}
-+ }
-+ 
-  /************************************************************************/
-  /* Demande d'acces a la zone partagee de gestion des semaphores		*/
-  /************************************************************************/
-***************
-*** 77,82 ****
---- 92,98 ----
-  {
-      int LRet ;
-  
-+ 	init_globals();
-      if( GFirstSem == 0 )
-      {
-  	if( IsGSemSemExist() )
-***************
-*** 187,193 ****
-      {
-  	CloseHandle ( LHandle ) ;
-      }
-!     LHandle = CreateSemaphore(NULL, 0, 0x7FFFFFFF, LBuff) ;
-      if( LHandle == NULL )
-      {
-  	printf( "Creation de Semaphore \"Sem\" impossible\n" ) ;
---- 203,209 ----
-      {
-  	CloseHandle ( LHandle ) ;
-      }
-!     LHandle = CreateSemaphore(NULL, 0, 1, LBuff) ;
-      if( LHandle == NULL )
-      {
-  	printf( "Creation de Semaphore \"Sem\" impossible\n" ) ;
-***************
-*** 357,371 ****
-  debug_printf("do_semop : return -EACCES\n");
-  			CYGWIN32_IPCNT_RETURN (-EACCES) ;
-  		    }
-! 		    ReleaseSemaphore(LHandle, sop->sem_op, &LVal) ;
-! 	    	    shareadrsem->current_nb[id].current_nb[sop->sem_num] +=
-! 					sop->sem_op ;
-  		    sem_deconnect() ;
-  		} else {
-  		    if( sop->sem_flg == IPC_NOWAIT )
-  		    {
-! 			LRet = WaitForSingleObject(LHandle, 0) ;
-! 			if( LRet == WAIT_TIMEOUT )
-  			{
-  debug_printf("do_semop : return -EAGAIN\n");
-  			    CYGWIN32_IPCNT_RETURN (-EAGAIN) ;
---- 373,386 ----
-  debug_printf("do_semop : return -EACCES\n");
-  			CYGWIN32_IPCNT_RETURN (-EACCES) ;
-  		    }
-!     	    shareadrsem->current_nb[id].current_nb[sop->sem_num] +=
-! 				sop->sem_op ;
-  		    sem_deconnect() ;
-+ 		    ReleaseSemaphore(LHandle, 1 , &LVal) ;
-  		} else {
-  		    if( sop->sem_flg == IPC_NOWAIT )
-  		    {
-! 			if( sop->sem_op + shareadrsem->current_nb[id].current_nb[sop->sem_num] <0 )
-  			{
-  debug_printf("do_semop : return -EAGAIN\n");
-  			    CYGWIN32_IPCNT_RETURN (-EAGAIN) ;
-***************
-*** 375,390 ****
-  debug_printf("do_semop : return -EACCES\n");
-  			    CYGWIN32_IPCNT_RETURN (-EACCES) ;
-  			}
-! 	    		shareadrsem->current_nb[id].current_nb[sop->sem_num] -= 1 ;
-  			sem_deconnect() ;
-  		    } else {
-! 			LRet = WaitForSingleObject(LHandle, INFINITE) ;
-  			if (sem_connect() == 0)
-  			{
-  debug_printf("do_semop : return -EACCES\n");
-  			    CYGWIN32_IPCNT_RETURN (-EACCES) ;
-  			}
-! 			    shareadrsem->current_nb[id].current_nb[sop->sem_num] -= 1 ;
-  			    sem_deconnect() ;
-  		    }
-  		}
---- 390,407 ----
-  debug_printf("do_semop : return -EACCES\n");
-  			    CYGWIN32_IPCNT_RETURN (-EACCES) ;
-  			}
-! 	    		shareadrsem->current_nb[id].current_nb[sop->sem_num] += sop->sem_op;
-  			sem_deconnect() ;
-  		    } else {
-! 		    while(sop->sem_op + shareadrsem->current_nb[id].current_nb[sop->sem_num] <0)
-! 				LRet = WaitForSingleObject(LHandle, INFINITE) ;
-! 		    
-  			if (sem_connect() == 0)
-  			{
-  debug_printf("do_semop : return -EACCES\n");
-  			    CYGWIN32_IPCNT_RETURN (-EACCES) ;
-  			}
-! 			    shareadrsem->current_nb[id].current_nb[sop->sem_num] += sop->sem_op ;
-  			    sem_deconnect() ;
-  		    }
-  		}
-***************
-*** 435,441 ****
-  	char LBuff[100] ;
-  	HANDLE LHandle ;
-  	long LPrevious ;
-- 	int LIndex;
-  
-  debug_printf("semctl : semid=%X semnum=%X cmd=0x%02X arg=%p\n",semid,semnum,cmd,arg);
-  	if (semid < 0 || semnum < 0 || cmd < 0)
---- 452,457 ----
-***************
-*** 568,589 ****
-  		if( LHandle != NULL )
-  		{
-  		    if( arg.val > shareadrsem->current_nb[id].current_nb[semnum] )
-! 		    {
-! 			ReleaseSemaphore(LHandle,
-! 			arg.val-shareadrsem->current_nb[id].current_nb[semnum],
-! 			&LPrevious) ;
-! 		    }
-! 		    else if (arg.val <
-! 		             shareadrsem->current_nb[id].current_nb[semnum] )
-! 		    {
-! 			for( LIndex = arg.val;
-! 			LIndex < shareadrsem->current_nb[id].current_nb[semnum];
-! 			LIndex++ )
-! 			{
-! 			    WaitForSingleObject(LHandle, 0) ;
-! 			}
-! 		    }
-!             	    shareadrsem->current_nb[id].current_nb[semnum] = arg.val ;
-  		}
-  debug_printf("semctl : SETVAL : return 0\n");
-  		CYGWIN32_IPCNT_RETURN_DECONNECT (0);
---- 584,591 ----
-  		if( LHandle != NULL )
-  		{
-  		    if( arg.val > shareadrsem->current_nb[id].current_nb[semnum] )
-! 				ReleaseSemaphore(LHandle,1,&LPrevious) ;
-!             shareadrsem->current_nb[id].current_nb[semnum] = arg.val ;
-  		}
-  debug_printf("semctl : SETVAL : return 0\n");
-  		CYGWIN32_IPCNT_RETURN_DECONNECT (0);
-*** ./shm.c.orig	Fri Sep 17 12:46:24 1999
---- ./shm.c	Fri Sep 17 12:47:11 1999
-***************
-*** 59,64 ****
---- 59,81 ----
-  static int		  GFirstShm	 = 0;		/*PCPC*/
-  static int		  GFdShm	    ;		/*PCPC*/
-  
-+ /*****************************************/
-+ /*	Initialization of static variables   */
-+ /*****************************************/
-+ static pid_t GProcessId = 0;
-+ static void init_globals(void)
-+ {
-+ 	pid_t pid;
-+ 
-+ 	if (pid=getpid(), pid != GProcessId)
-+ 	{
-+ 		GFirstShm = 0;
-+ 		shm_rss = shm_swp = max_shmid = 0;
-+ 		shm_seq = 0;
-+ 		GProcessId = pid;
-+ 	}
-+ }
-+ 
-  /************************************************************************/
-  /* Demande d'acces a la zone partagee de gestion des shm		*/
-  /************************************************************************/
-***************
-*** 82,87 ****
---- 99,105 ----
-  {
-   int LRet ;
-  
-+  init_globals();
-   if( GFirstShm == 0 )
-   {
-    if( IsGSemShmExist() )