diff options
Diffstat (limited to 'avahi-daemon/inotify-nosys.h')
| -rw-r--r-- | avahi-daemon/inotify-nosys.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/avahi-daemon/inotify-nosys.h b/avahi-daemon/inotify-nosys.h new file mode 100644 index 0000000..6af44dc --- /dev/null +++ b/avahi-daemon/inotify-nosys.h @@ -0,0 +1,181 @@ +/* + * This header is used if <sys/inotify.h> cannot be found. + * + * Inode based directory notification for Linux + * + * Copyright (C) 2005 John McCutchan + */ + +#ifndef _LINUX_INOTIFY_H +#define _LINUX_INOTIFY_H + +#include <stdint.h> +#include <sys/syscall.h> +#include <unistd.h> +#include <asm/unistd.h> + +/* + * 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 0 +#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 + +#else +# error "Unsupported architecture!" +#endif +#endif + +#ifndef __NR_inotify_init +# error "Unsupported architecture!" +#endif +#ifndef __NR_inotify_add_watch +# error "Unsupported architecture!" +#endif +#ifndef __NR_inotify_rm_watch +# 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 */ |