XSetIOErrorHandler man page on HP-UX

XSetIOErrorHandler man page on HP-UX

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XSetIOErrorHandler()					  XSetIOErrorHandler()

Name
  XSetIOErrorHandler – set a fatal error handler.

Synopsis
  int (*XSetIOErrorHandler(handler))()
	int (* handler)(Display *)

Arguments
  handler   Specifies  user-defined  fatal  error  handling  routine.  If
	    NULL, reinvoke the default fatal error handler.

Description
  XSetIOErrorHandler() specifies a user-defined	 error	handling  routine
  for  fatal  errors.	This  error handler will be called by Xlib if any
  sort of system call error occurs, such as the connection to the  server
  being	 lost.	 The  called routine should not return.	 If the I/O error
  handler does return, the client process will exit.

  If handler is a NULL pointer, the default error handler is  reinstated.
  The default I/O error handler prints an error message and exits.

  In  Release  4 and later, XSetIOErrorHandler() returns a pointer to the
  previous error handler.

  For more information, see Volume One, Chapter 3, Basic Window Program.

See Also
  XDisplayName(),  XGetErrorDatabaseText(),  XGetErrorText(),  XSetAfter‐
  Function(), XSetErrorHandler(), XSynchronize().

Xlib - Error Handling					  XSetIOErrorHandler()

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