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uxselect.h
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1999-01-02
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49 lines
/* -*-C-*-
$Id: uxselect.h,v 1.6 1999/01/02 06:11:34 cph Exp $
Copyright (c) 1991-1999 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef SCM_UXSELECT_H
#define SCM_UXSELECT_H
enum select_input
{
select_input_argument,
select_input_other,
select_input_none,
select_input_process_status,
select_input_interrupt
};
extern enum select_input EXFUN (UX_select_input, (int fd, int blockp));
extern unsigned int EXFUN (UX_select_registry_size, (void));
extern unsigned int EXFUN (UX_select_registry_lub, (void));
extern void EXFUN (UX_select_registry_clear_all, (PTR fds));
extern void EXFUN (UX_select_registry_set, (PTR fds, unsigned int fd));
extern void EXFUN (UX_select_registry_clear, (PTR fds, unsigned int fd));
extern int EXFUN (UX_select_registry_is_set, (PTR fds, unsigned int fd));
extern enum select_input EXFUN
(UX_select_registry_test,
(PTR input_fds, int blockp,
unsigned int * output_fds, unsigned int * output_nfds));
extern enum select_input EXFUN
(UX_select_descriptor, (unsigned int fd, int blockp));
#endif /* SCM_UXSELECT_H */