/* * This header is used if cannot be found. * * Inode based directory notification for Linux * * Copyright (C) 2005 John McCutchan * * Support for cris architecture added by D. Gilbert 20080317 */ #ifndef _LINUX_INOTIFY_H #define _LINUX_INOTIFY_H #include #include #include /* * struct inotify_event - structure read from the inotify device for each event * * When you are watching a directory, you will receive the filename for events * such as IN_CREATE, IN_DELETE, IN_OPEN, IN_CLOSE, ..., relative to the wd. */ 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 nulls) of name */ char name __flexarr; /* stub for possible 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) #if defined (__alpha__) # define __NR_inotify_init 444 # define __NR_inotify_add_watch 445 # define __NR_inotify_rm_watch 446 #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 (__frv__) # define __NR_inotify_init 291 # define __NR_inotify_add_watch 292 # define __NR_inotify_rm_watch 293 #elif defined(__i386__) # define __NR_inotify_init 291 # define __NR_inotify_add_watch 292 # define __NR_inotify_rm_watch 293 #elif defined (__ia64__) # define __NR_inotify_init 1277 # define __NR_inotify_add_watch 1278 # define __NR_inotify_rm_watch 1279 #elif defined (__mips__) # if _MIPS_SIM == _MIPS_SIM_ABI32 # define __NR_inotify_init (__NR_Linux + 284) # define __NR_inotify_add_watch (__NR_Linux + 285) # define __NR_inotify_rm_watch (__NR_Linux + 286) # endif # if _MIPS_SIM == _MIPS_SIM_ABI64 # define __NR_inotify_init (__NR_Linux + 243) # define __NR_inotify_add_watch (__NR_Linux + 243) # define __NR_inotify_rm_watch (__NR_Linux + 243) # endif # if _MIPS_SIM == _MIPS_SIM_NABI32 # define __NR_inotify_init (__NR_Linux + 247) # define __NR_inotify_add_watch (__NR_Linux + 248) # define __NR_inotify_rm_watch (__NR_Linux + 249) # endif #elif defined(__parisc__) # define __NR_inotify_init (__NR_Linux + 269) # define __NR_inotify_add_watch (__NR_Linux + 270) # define __NR_inotify_rm_watch (__NR_Linux + 271) #elif defined(__powerpc__) || defined(__powerpc64__) # define __NR_inotify_init 275 # define __NR_inotify_add_watch 276 # define __NR_inotify_rm_watch 277 #elif defined (__s390__) # define __NR_inotify_init 284 # define __NR_inotify_add_watch 285 # define __NR_inotify_rm_watch 286 #elif defined (__sh__) # define __NR_inotify_init 290 # define __NR_inotify_add_watch 291 # define __NR_inotify_rm_watch 292 #elif defined (__sh64__) # define __NR_inotify_init 318 # define __NR_inotify_add_watch 319 # define __NR_inotify_rm_watch 320 #elif defined (__sparc__) || defined (__sparc64__) # define __NR_inotify_init 151 # define __NR_inotify_add_watch 152 # define __NR_inotify_rm_watch 156 #elif defined(__x86_64__) # define __NR_inotify_init 253 # define __NR_inotify_add_watch 254 # define __NR_inotify_rm_watch 255 #elif defined(__cris__) # define __NR_inotify_init 291 # define __NR_inotify_add_watch 292 # define __NR_inotify_rm_watch 293 #else # error "Unsupported architecture!" #endif 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 /* _LINUX_INOTIFY_H */