SeSig.h

/*
 * This file is part of the Seyon, Copyright (c) 1992-1993 by Muhammad M.
 * Saggaf. All rights reserved.
 *
 * See the file COPYING (1-COPYING) or the manual page seyon(1) for a full
 * statement of rights and permissions for this program.
 */

/*
 * sighandler.h -
 *      Defines the interface to signalling handling in an Xt safe way
 * $Id: sighandler.h,v 1.1 92/12/10 08:50:54 ware Exp $
 * $Log:        sighandler.h,v $
 * Revision 1.1  92/12/10  08:50:54  ware
 * Initial revision [Modfied by me --M.S.]
 *
 */

typedef void (*XoSignalCallbackProc)(
#if NeedFunctionPrototypes
    int signo,            /* the signal number */
    XtPointer client_data /* closure */
#endif
);

/*
 * Private structure used to store the information about the currently
 * installed signal handlers
 */

typedef struct _xo_signal_data_ {
  XoSignalCallbackProc handler; /* function to execute */
  /* XtPointer client_data; */       /* data to pass */
  void *client_data; /* data to pass */
} _XoSignalData;

extern XoSignalCallbackProc XoAppAddSignal(
#if NeedFunctionPrototypes
    XtAppContext context,         /* application context */
    int sig,                      /* which signal */
    XoSignalCallbackProc handler, /* the handler */
    XtPointer client_data         /* private data */
#endif
);

extern void XoAppRemoveSignal(
#if NeedFunctionPrototypes
    XtAppContext context, /* application context */
    int sig               /* which signal */
#endif
);

extern void XoAppIgnoreSignal(
#if NeedFunctionPrototypes
    XtAppContext context, /* application context */
    int sig               /* which signal */
#endif
);