/* * inotify_local.h - wrapping of libc features and kernel defines * * Copyright (C) 2005-2006 Kay Sievers * * 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 version 2 of the License. * * 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 _INOTIFY_LOCAL_H_ #define _INOTIFY_LOCAL_H_ #include #include #include /* needed until Inotify! syscalls reach glibc */ #include #ifndef __NR_inotify_init #if defined(__i386__) # define __NR_inotify_init 291 # define __NR_inotify_add_watch 292 # define __NR_inotify_rm_watch 293 #elif defined(__x86_64__) # define __NR_inotify_init 253 # define __NR_inotify_add_watch 254 # define __NR_inotify_rm_watch 255 #elif defined(__powerpc__) || defined(__powerpc64__) # define __NR_inotify_init 275 # define __NR_inotify_add_watch 276 # define __NR_inotify_rm_watch 277 #elif defined (__ia64__) # define __NR_inotify_init 1277 # define __NR_inotify_add_watch 1278 # define __NR_inotify_rm_watch 1279 #elif defined (__s390__) # define __NR_inotify_init 284 # define __NR_inotify_add_watch 285 # define __NR_inotify_rm_watch 286 #elif defined (__mc68000__) # define __NR_inotify_init 284 # define __NR_inotify_add_watch 285 # define __NR_inotify_rm_watch 286 #elif defined (__alpha__) # define __NR_inotify_init 444 # define __NR_inotify_add_watch 445 # define __NR_inotify_rm_watch 446 #elif defined (__sparc__) || defined (__sparc64__) # define __NR_inotify_init 151 # define __NR_inotify_add_watch 152 # define __NR_inotify_rm_watch 156 #elif defined (__arm__) # define __NR_inotify_init __NR_SYSCALL_BASE+316 # define __NR_inotify_add_watch __NR_SYSCALL_BASE+317 # define __NR_inotify_rm_watch __NR_SYSCALL_BASE+318 #elif defined (__sh__) # define __NR_inotify_init 290 # define __NR_inotify_add_watch 291 # define __NR_inotify_rm_watch 292 #elif defined (__m32r__) # define __NR_inotify_init 290 # define __NR_inotify_add_watch 291 # define __NR_inotify_rm_watch 292 #elif defined (__hppa__) # define __NR_inotify_init 269 # define __NR_inotify_add_watch 270 # define __NR_inotify_rm_watch 271 #elif defined (__mips__) # include # if _MIPS_SIM == _MIPS_SIM_ABI32 # define __NR_Linux 4000 # define __NR_inotify_init (__NR_Linux + 284) # define __NR_inotify_add_watch (__NR_Linux + 285) # define __NR_inotify_rm_watch (__NR_Linux + 286) # elif _MIPS_SIM == _MIPS_SIM_ABI64 # define __NR_Linux 5000 # define __NR_inotify_init (__NR_Linux + 243) # define __NR_inotify_add_watch (__NR_Linux + 244) # define __NR_inotify_rm_watch (__NR_Linux + 245) # elif _MIPS_SIM == _MIPS_SIM_NABI32 # define __NR_Linux 6000 # define __NR_inotify_init (__NR_Linux + 247) # define __NR_inotify_add_watch (__NR_Linux + 248) # define __NR_inotify_rm_watch (__NR_Linux + 249) # endif #else # warning "inotify unsupported on this architecture!" #endif #endif /* __NR_inotify_init */ /* dummy if we don't have the syscalls defined */ #ifndef __NR_inotify_init static inline int inotify_init(void) { return -1; } static inline int inotify_add_watch(int fd, const char *name, uint32_t mask) { return -1; } static inline int inotify_rm_watch(int fd, uint32_t wd) { return -1; } #else static inline int inotify_init(void) { return syscall(__NR_inotify_init); } static inline int inotify_add_watch(int fd, const char *name, uint32_t mask) { return syscall(__NR_inotify_add_watch, fd, name, mask); } static inline int inotify_rm_watch(int fd, uint32_t wd) { return syscall(__NR_inotify_rm_watch, fd, wd); } #endif /* __NR_inotify_init */ #ifndef IN_CREATE #define IN_CREATE 0x00000100 /* Subfile was created */ #define IN_MOVED_FROM 0x00000040 /* File was moved from X */ #define IN_MOVED_TO 0x00000080 /* File was moved to Y */ #define IN_DELETE 0x00000200 /* Subfile was deleted */ #define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed */ #define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */ #endif /* IN_CREATE */ struct inotify_event { int wd; uint32_t mask; uint32_t cookie; uint32_t len; char name[]; }; /* the following are legal, implemented events that user-space can watch for */ #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_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_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 */ /* the following are legal events. they are sent as needed to any watch */ #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 /* don't 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 of the events - we build the list by hand so that we can add flags in * the future and not break backward compatibility. Apps will get only the * events that they originally wanted. Be sure to add new events here! */ #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_DELETE | IN_CREATE | IN_DELETE_SELF | \ IN_MOVE_SELF) #endif /* _INOTIFY_LOCAL_H_ */