binutils-gdb/readline/posixselect.h

48 lines
1.3 KiB
C

/* posixselect.h -- wrapper for select(2) includes and definitions */
/* Copyright (C) 2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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 3 of the License, or
(at your option) any later version.
Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _POSIXSELECT_H_
#define _POSIXSELECT_H_
#if defined (FD_SET) && !defined (HAVE_SELECT)
# define HAVE_SELECT 1
#endif
#if defined (HAVE_SELECT)
# if !defined (HAVE_SYS_SELECT_H) || !defined (M_UNIX)
# include <sys/time.h>
# endif
#endif /* HAVE_SELECT */
#if defined (HAVE_SYS_SELECT_H)
# include <sys/select.h>
#endif
#ifndef USEC_PER_SEC
# define USEC_PER_SEC 1000000
#endif
#define USEC_TO_TIMEVAL(us, tv) \
do { \
(tv).tv_sec = (us) / USEC_PER_SEC; \
(tv).tv_usec = (us) % USEC_PER_SEC; \
} while (0)
#endif /* _POSIXSELECT_H_ */