diff options
Diffstat (limited to 'libc/sysdeps/linux/common')
| -rw-r--r-- | libc/sysdeps/linux/common/inotify.c | 24 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/sys/inotify.h | 92 |
2 files changed, 116 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/inotify.c b/libc/sysdeps/linux/common/inotify.c new file mode 100644 index 000000000..87cf4d71e --- /dev/null +++ b/libc/sysdeps/linux/common/inotify.c @@ -0,0 +1,24 @@ +/* vi: set sw=4 ts=4: */ +/* + * inotify interface for uClibc + * + * Copyright (C) 2006 Austin Morgan <admorgan@morgancomputers.net> + * Copyright (C) 2006 by Erik Andersen <andersen@codepoet.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include "syscalls.h" +#include <sys/inotify.h> + +#ifdef __NR_inotify_init +_syscall0(int, inotify_init); +#endif + +#ifdef __NR_inotify_add_watch +_syscall3(int, inotify_add_watch, int, fd, const char *, path, uint32_t, mask); +#endif + +#ifdef __NR_inotify_rm_watch +_syscall2(int, inotify_rm_watch, int, fd, uint32_t, wd); +#endif diff --git a/libc/sysdeps/linux/common/sys/inotify.h b/libc/sysdeps/linux/common/sys/inotify.h new file mode 100644 index 000000000..0131db9d3 --- /dev/null +++ b/libc/sysdeps/linux/common/sys/inotify.h @@ -0,0 +1,92 @@ +/* Copyright (C) 2005, 2006 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_INOTIFY_H +#define _SYS_INOTIFY_H 1 + +#include <stdint.h> + + +/* Structure describing an inotify event. */ +struct inotify_event +{ + int wd; /* Watch descriptor. */ + uint32_t mask; /* Watch mask. */ + uint32_t cookie; /* Cookie to synchronize two events. */ + uint32_t len; /* Length (including NULs) of name. */ + char name __flexarr; /* Name. */ +}; + + +/* Supported events suitable for MASK parameter of INOTIFY_ADD_WATCH. */ +#define IN_ACCESS 0x00000001 /* File was accessed. */ +#define IN_MODIFY 0x00000002 /* File was modified. */ +#define IN_ATTRIB 0x00000004 /* Metadata changed. */ +#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed. */ +#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed. */ +#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */ +#define IN_OPEN 0x00000020 /* File was opened. */ +#define IN_MOVED_FROM 0x00000040 /* File was moved from X. */ +#define IN_MOVED_TO 0x00000080 /* File was moved to Y. */ +#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */ +#define IN_CREATE 0x00000100 /* Subfile was created. */ +#define IN_DELETE 0x00000200 /* Subfile was deleted. */ +#define IN_DELETE_SELF 0x00000400 /* Self was deleted. */ +#define IN_MOVE_SELF 0x00000800 /* Self was moved. */ + +/* Events sent by the kernel. */ +#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted. */ +#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed. */ +#define IN_IGNORED 0x00008000 /* File was ignored. */ + +/* Helper events. */ +#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */ +#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */ + +/* Special flags. */ +#define IN_ONLYDIR 0x01000000 /* Only watch the path if it is a + directory. */ +#define IN_DONT_FOLLOW 0x02000000 /* Do not follow a sym link. */ +#define IN_MASK_ADD 0x20000000 /* Add to the mask of an already + existing watch. */ +#define IN_ISDIR 0x40000000 /* Event occurred against dir. */ +#define IN_ONESHOT 0x80000000 /* Only send event once. */ + +/* All events which a program can wait on. */ +#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE \ + | IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM \ + | IN_MOVED_TO | IN_CREATE | IN_DELETE \ + | IN_DELETE_SELF | IN_MOVE_SELF) + + +__BEGIN_DECLS + +/* Create and initialize inotify instance. */ +extern int inotify_init (void) __THROW; + +/* Add watch of object NAME to inotify instance FD. Notify about + events specified by MASK. */ +extern int inotify_add_watch (int __fd, const char *__name, uint32_t __mask) + __THROW; + +/* Remove the watch specified by WD from the inotify instance FD. */ +extern int inotify_rm_watch (int __fd, uint32_t __wd) __THROW; + +__END_DECLS + +#endif /* sys/inotify.h */ |