diff options
Diffstat (limited to 'misc/sys/select.h')
| -rw-r--r-- | misc/sys/select.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/misc/sys/select.h b/misc/sys/select.h deleted file mode 100644 index 06dd31b476..0000000000 --- a/misc/sys/select.h +++ /dev/null @@ -1,128 +0,0 @@ -/* `fd_set' type and related macros, and `select'/`pselect' declarations. - Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* POSIX 1003.1g: 6.2 Select from File Descriptor Sets <sys/select.h> */ - -#ifndef _SYS_SELECT_H -#define _SYS_SELECT_H 1 - -#include <features.h> - -/* Get definition of needed basic types. */ -#include <bits/types.h> - -/* Get __FD_* definitions. */ -#include <bits/select.h> - -/* Get sigset_t. */ -#include <bits/types/sigset_t.h> - -/* Get definition of timer specification structures. */ -#include <bits/types/time_t.h> -#include <bits/types/struct_timeval.h> -#ifdef __USE_XOPEN2K -# include <bits/types/struct_timespec.h> -#endif - -#ifndef __suseconds_t_defined -typedef __suseconds_t suseconds_t; -# define __suseconds_t_defined -#endif - - -/* The fd_set member is required to be an array of longs. */ -typedef long int __fd_mask; - -/* Some versions of <linux/posix_types.h> define this macros. */ -#undef __NFDBITS -/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */ -#define __NFDBITS (8 * (int) sizeof (__fd_mask)) -#define __FD_ELT(d) ((d) / __NFDBITS) -#define __FD_MASK(d) ((__fd_mask) (1UL << ((d) % __NFDBITS))) - -/* fd_set for select and pselect. */ -typedef struct - { - /* XPG4.2 requires this member name. Otherwise avoid the name - from the global namespace. */ -#ifdef __USE_XOPEN - __fd_mask fds_bits[__FD_SETSIZE / __NFDBITS]; -# define __FDS_BITS(set) ((set)->fds_bits) -#else - __fd_mask __fds_bits[__FD_SETSIZE / __NFDBITS]; -# define __FDS_BITS(set) ((set)->__fds_bits) -#endif - } fd_set; - -/* Maximum number of file descriptors in `fd_set'. */ -#define FD_SETSIZE __FD_SETSIZE - -#ifdef __USE_MISC -/* Sometimes the fd_set member is assumed to have this type. */ -typedef __fd_mask fd_mask; - -/* Number of bits per word of `fd_set' (some code assumes this is 32). */ -# define NFDBITS __NFDBITS -#endif - - -/* Access macros for `fd_set'. */ -#define FD_SET(fd, fdsetp) __FD_SET (fd, fdsetp) -#define FD_CLR(fd, fdsetp) __FD_CLR (fd, fdsetp) -#define FD_ISSET(fd, fdsetp) __FD_ISSET (fd, fdsetp) -#define FD_ZERO(fdsetp) __FD_ZERO (fdsetp) - - -__BEGIN_DECLS - -/* Check the first NFDS descriptors each in READFDS (if not NULL) for read - readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS - (if not NULL) for exceptional conditions. If TIMEOUT is not NULL, time out - after waiting the interval specified therein. Returns the number of ready - descriptors, or -1 for errors. - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int select (int __nfds, fd_set *__restrict __readfds, - fd_set *__restrict __writefds, - fd_set *__restrict __exceptfds, - struct timeval *__restrict __timeout); - -#ifdef __USE_XOPEN2K -/* Same as above only that the TIMEOUT value is given with higher - resolution and a sigmask which is been set temporarily. This version - should be used. - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int pselect (int __nfds, fd_set *__restrict __readfds, - fd_set *__restrict __writefds, - fd_set *__restrict __exceptfds, - const struct timespec *__restrict __timeout, - const __sigset_t *__restrict __sigmask); -#endif - - -/* Define some inlines helping to catch common problems. */ -#if __USE_FORTIFY_LEVEL > 0 && defined __GNUC__ -# include <bits/select2.h> -#endif - -__END_DECLS - -#endif /* sys/select.h */ |