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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /io/sys
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initial import
Diffstat (limited to 'io/sys')
-rw-r--r--io/sys/fcntl.h1
-rw-r--r--io/sys/poll.h65
-rw-r--r--io/sys/stat.h168
3 files changed, 234 insertions, 0 deletions
diff --git a/io/sys/fcntl.h b/io/sys/fcntl.h
new file mode 100644
index 0000000..cd30455
--- /dev/null
+++ b/io/sys/fcntl.h
@@ -0,0 +1 @@
+#include <fcntl.h>
diff --git a/io/sys/poll.h b/io/sys/poll.h
new file mode 100644
index 0000000..48b9afa
--- /dev/null
+++ b/io/sys/poll.h
@@ -0,0 +1,65 @@
+/* Compatibility definitions for System V `poll' interface.
+Copyright (C) 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#ifndef _SYS_POLL_H
+#define _SYS_POLL_H
+
+#include <sys/cdefs.h>
+
+/* Data structure describing a polling request. */
+struct pollfd
+ {
+ int fd; /* File descriptor to poll. */
+ short int events; /* Types of events poller cares about. */
+ short int revents; /* Types of events that actually occurred. */
+ };
+
+/* Event types that can be polled for. These bits may be set in `events'
+ to indicate the interesting event types; they will appear in `revents'
+ to indicate the status of the file descriptor. */
+#define POLLIN 01 /* There is data to read. */
+#define POLLPRI 02 /* There is urgent data to read. */
+#define POLLOUT 04 /* Writing now will not block. */
+
+/* Event types always implicitly polled for. These bits need not be set in
+ `events', but they will appear in `revents' to indicate the status of
+ the file descriptor. */
+#define POLLERR 010 /* Error condition. */
+#define POLLHUP 020 /* Hung up. */
+#define POLLNVAL 040 /* Invalid polling request. */
+
+/* Canonical number of polling requests to read in at a time in poll. */
+#define NPOLLFILE 30
+
+
+__BEGIN_DECLS
+
+/* Poll the file descriptors described by the NFDS structures starting at
+ FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
+ an event to occur; if TIMEOUT is -1, block until an event occurs.
+ Returns the number of file descriptors with events, zero if timed out,
+ or -1 for errors. */
+
+extern int poll __P ((struct pollfd *__fds, unsigned long int __nfds,
+ int __timeout));
+
+__END_DECLS
+
+#endif /* sys/poll.h */
+
diff --git a/io/sys/stat.h b/io/sys/stat.h
new file mode 100644
index 0000000..b5b9e36
--- /dev/null
+++ b/io/sys/stat.h
@@ -0,0 +1,168 @@
+/* Copyright (C) 1991, 1992, 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/*
+ * POSIX Standard: 5.6 File Characteristics <sys/stat.h>
+ */
+
+#ifndef _SYS_STAT_H
+
+#define _SYS_STAT_H 1
+#include <features.h>
+
+#include <gnu/types.h> /* For __mode_t and __dev_t. */
+
+__BEGIN_DECLS
+
+#include <statbuf.h>
+
+#if defined(__USE_BSD) || defined(__USE_MISC)
+#define S_IFMT __S_IFMT
+#define S_IFDIR __S_IFDIR
+#define S_IFCHR __S_IFCHR
+#define S_IFBLK __S_IFBLK
+#define S_IFREG __S_IFREG
+#ifdef __S_IFLNK
+#define S_IFLNK __S_IFLNK
+#endif
+#ifdef __S_IFSOCK
+#define S_IFSOCK __S_IFSOCK
+#endif
+#ifdef __S_IFIFO
+#define S_IFIFO __S_IFIFO
+#endif
+#endif
+
+/* Test macros for file types. */
+
+#define __S_ISTYPE(mode, mask) (((mode) & __S_IFMT) == (mask))
+
+#define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR)
+#define S_ISCHR(mode) __S_ISTYPE((mode), __S_IFCHR)
+#define S_ISBLK(mode) __S_ISTYPE((mode), __S_IFBLK)
+#define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG)
+#ifdef __S_IFIFO
+#define S_ISFIFO(mode) __S_ISTYPE((mode), __S_IFIFO)
+#endif
+
+#ifdef __USE_GNU
+#ifdef __S_IFLNK
+#define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK)
+#endif
+#ifdef __S_IFSOCK
+#define S_ISSOCK(mode) __S_ISTYPE((mode), __S_IFSOCK)
+#endif
+#endif
+
+
+/* Protection bits. */
+
+#define S_ISUID __S_ISUID /* Set user ID on execution. */
+#define S_ISGID __S_ISGID /* Set group ID on execution. */
+
+#if defined(__USE_BSD) || defined(__USE_MISC)
+/* Save swapped text after use (sticky bit). This is pretty well obsolete. */
+#define S_ISVTX __S_ISVTX
+#endif
+
+#define S_IRUSR __S_IREAD /* Read by owner. */
+#define S_IWUSR __S_IWRITE /* Write by owner. */
+#define S_IXUSR __S_IEXEC /* Execute by owner. */
+/* Read, write, and execute by owner. */
+#define S_IRWXU (__S_IREAD|__S_IWRITE|__S_IEXEC)
+
+#if defined(__USE_MISC) && defined(__USE_BSD)
+#define S_IREAD S_IRUSR
+#define S_IWRITE S_IWUSR
+#define S_IEXEC S_IXUSR
+#endif
+
+#define S_IRGRP (S_IRUSR >> 3) /* Read by group. */
+#define S_IWGRP (S_IWUSR >> 3) /* Write by group. */
+#define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */
+/* Read, write, and execute by group. */
+#define S_IRWXG (S_IRWXU >> 3)
+
+#define S_IROTH (S_IRGRP >> 3) /* Read by others. */
+#define S_IWOTH (S_IWGRP >> 3) /* Write by others. */
+#define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */
+/* Read, write, and execute by others. */
+#define S_IRWXO (S_IRWXG >> 3)
+
+
+/* Get file attributes for FILE and put them in BUF. */
+extern int __stat __P ((__const char *__file, struct stat *__buf));
+extern int stat __P ((__const char *__file, struct stat *__buf));
+
+/* Get file attributes for the file, device, pipe, or socket
+ that file descriptor FD is open on and put them in BUF. */
+extern int __fstat __P ((int __fd, struct stat *__buf));
+extern int fstat __P ((int __fd, struct stat *__buf));
+
+/* Get file attributes about FILE and put them in BUF.
+ If FILE is a symbolic link, do not follow it. */
+extern int __lstat __P ((__const char *__file, struct stat *__buf));
+#ifdef __USE_BSD
+extern int lstat __P ((__const char *__file, struct stat *__buf));
+#endif
+
+/* Set file access permissions for FILE to MODE.
+ This takes an `int' MODE argument because that
+ is what `mode_t's get widened to. */
+extern int __chmod __P ((__const char *__file, __mode_t __mode));
+extern int chmod __P ((__const char *__file, __mode_t __mode));
+
+/* Set file access permissions of the file FD is open on to MODE. */
+extern int __fchmod __P ((int __fd, __mode_t __mode));
+#ifdef __USE_BSD
+extern int fchmod __P ((int __fd, __mode_t __mode));
+#endif
+
+
+/* Set the file creation mask of the current process to MASK,
+ and return the old creation mask. */
+extern __mode_t __umask __P ((__mode_t __mask));
+extern __mode_t umask __P ((__mode_t __mask));
+
+#ifdef __USE_GNU
+/* Get the current `umask' value without changing it.
+ This function is only available under the GNU Hurd. */
+extern __mode_t getumask __P ((void));
+#endif
+
+/* Create a new directory named PATH, with permission bits MODE. */
+extern int __mkdir __P ((__const char *__path, __mode_t __mode));
+extern int mkdir __P ((__const char *__path, __mode_t __mode));
+
+/* Create a device file named PATH, with permission and special bits MODE
+ and device number DEV (which can be constructed from major and minor
+ device numbers with the `makedev' macro above). */
+extern int __mknod __P ((__const char *__path,
+ __mode_t __mode, __dev_t __dev));
+#if defined(__USE_MISC) || defined(__USE_BSD)
+extern int mknod __P ((__const char *__path,
+ __mode_t __mode, __dev_t __dev));
+#endif
+
+
+/* Create a new FIFO named PATH, with permission bits MODE. */
+extern int mkfifo __P ((__const char *__path, __mode_t __mode));
+
+__END_DECLS
+
+#endif /* sys/stat.h */