Cleanup inotify syscalls decoding
* linux/inotify.h: New file. * file.c (inotify_modes, inotify_init_flags, sys_inotify_add_watch, sys_inotify_rm_watch, sys_inotify_init1): Move... * inotify.c: ... here. (inotify_modes): Rename to inotify_flags, convert to XLAT form. (inotify_init_flags): Convert to XLAT form. * Makefile.am (strace_SOURCES): Add inotify.c. (EXTRA_DIST): Add linux/inotify.h.
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@ -22,6 +22,7 @@ strace_SOURCES = \
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desc.c \
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fanotify.c \
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file.c \
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inotify.c \
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io.c \
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ioctl.c \
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ipc.c \
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@ -107,6 +108,7 @@ EXTRA_DIST = \
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linux/ia64/ioctlent.h.in \
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linux/ia64/signalent.h \
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linux/ia64/syscallent.h \
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linux/inotify.h \
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linux/ioctlent-filter.awk \
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linux/ioctlent.h.in \
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linux/ioctlent.sh \
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61
file.c
61
file.c
@ -2706,67 +2706,6 @@ sys_sync_file_range2(struct tcb *tcp)
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return 0;
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}
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static const struct xlat inotify_modes[] = {
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{ 0x00000001, "IN_ACCESS" },
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{ 0x00000002, "IN_MODIFY" },
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{ 0x00000004, "IN_ATTRIB" },
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{ 0x00000008, "IN_CLOSE_WRITE"},
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{ 0x00000010, "IN_CLOSE_NOWRITE"},
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{ 0x00000020, "IN_OPEN" },
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{ 0x00000040, "IN_MOVED_FROM" },
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{ 0x00000080, "IN_MOVED_TO" },
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{ 0x00000100, "IN_CREATE" },
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{ 0x00000200, "IN_DELETE" },
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{ 0x00000400, "IN_DELETE_SELF"},
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{ 0x00000800, "IN_MOVE_SELF" },
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{ 0x00002000, "IN_UNMOUNT" },
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{ 0x00004000, "IN_Q_OVERFLOW" },
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{ 0x00008000, "IN_IGNORED" },
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{ 0x01000000, "IN_ONLYDIR" },
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{ 0x02000000, "IN_DONT_FOLLOW"},
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{ 0x20000000, "IN_MASK_ADD" },
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{ 0x40000000, "IN_ISDIR" },
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{ 0x80000000, "IN_ONESHOT" },
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XLAT_END
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};
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static const struct xlat inotify_init_flags[] = {
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{ 0x00000800, "IN_NONBLOCK" },
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{ 0x00080000, "IN_CLOEXEC" },
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XLAT_END
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};
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int
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sys_inotify_add_watch(struct tcb *tcp)
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{
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if (entering(tcp)) {
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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printpath(tcp, tcp->u_arg[1]);
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tprints(", ");
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printflags(inotify_modes, tcp->u_arg[2], "IN_???");
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}
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return 0;
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}
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int
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sys_inotify_rm_watch(struct tcb *tcp)
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{
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if (entering(tcp)) {
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printfd(tcp, tcp->u_arg[0]);
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tprintf(", %d", (int) tcp->u_arg[1]);
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}
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return 0;
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}
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int
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sys_inotify_init1(struct tcb *tcp)
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{
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if (entering(tcp))
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printflags(inotify_init_flags, tcp->u_arg[0], "IN_???");
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return 0;
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}
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int
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sys_fallocate(struct tcb *tcp)
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{
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72
inotify.c
Normal file
72
inotify.c
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@ -0,0 +1,72 @@
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#include "defs.h"
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#include <fcntl.h>
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#include <linux/inotify.h>
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static const struct xlat inotify_flags[] = {
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XLAT(IN_ACCESS),
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XLAT(IN_MODIFY),
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XLAT(IN_ATTRIB),
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XLAT(IN_CLOSE),
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XLAT(IN_CLOSE_WRITE),
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XLAT(IN_CLOSE_NOWRITE),
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XLAT(IN_OPEN),
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XLAT(IN_MOVE),
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XLAT(IN_MOVED_FROM),
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XLAT(IN_MOVED_TO),
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XLAT(IN_CREATE),
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XLAT(IN_DELETE),
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XLAT(IN_DELETE_SELF),
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XLAT(IN_MOVE_SELF),
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XLAT(IN_UNMOUNT),
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XLAT(IN_Q_OVERFLOW),
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XLAT(IN_IGNORED),
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XLAT(IN_ONLYDIR),
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XLAT(IN_DONT_FOLLOW),
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XLAT(IN_EXCL_UNLINK),
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XLAT(IN_MASK_ADD),
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XLAT(IN_ISDIR),
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XLAT(IN_ONESHOT),
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XLAT_END
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};
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static const struct xlat inotify_init_flags[] = {
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XLAT(O_NONBLOCK),
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XLAT(O_CLOEXEC),
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XLAT_END
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};
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int
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sys_inotify_add_watch(struct tcb *tcp)
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{
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if (entering(tcp)) {
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/* file descriptor */
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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/* pathname */
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printpath(tcp, tcp->u_arg[1]);
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tprints(", ");
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/* mask */
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printflags(inotify_flags, tcp->u_arg[2], "IN_???");
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}
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return 0;
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}
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int
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sys_inotify_rm_watch(struct tcb *tcp)
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{
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if (entering(tcp)) {
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/* file descriptor */
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printfd(tcp, tcp->u_arg[0]);
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/* watch descriptor */
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tprintf(", %d", (int) tcp->u_arg[1]);
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}
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return 0;
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}
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int
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sys_inotify_init1(struct tcb *tcp)
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{
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if (entering(tcp))
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printflags(inotify_init_flags, tcp->u_arg[0], "IN_???");
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return 0;
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}
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42
linux/inotify.h
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42
linux/inotify.h
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@ -0,0 +1,42 @@
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/*
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* Inode based directory notification for Linux
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*
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* Copyright (C) 2005 John McCutchan
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*/
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#ifndef _LINUX_INOTIFY_H
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#define _LINUX_INOTIFY_H
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/* the following are legal, implemented events that user-space can watch for */
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#define IN_ACCESS 0x00000001 /* File was accessed */
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#define IN_MODIFY 0x00000002 /* File was modified */
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#define IN_ATTRIB 0x00000004 /* Metadata changed */
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#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed */
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#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */
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#define IN_OPEN 0x00000020 /* File was opened */
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#define IN_MOVED_FROM 0x00000040 /* File was moved from X */
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#define IN_MOVED_TO 0x00000080 /* File was moved to Y */
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#define IN_CREATE 0x00000100 /* Subfile was created */
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#define IN_DELETE 0x00000200 /* Subfile was deleted */
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#define IN_DELETE_SELF 0x00000400 /* Self was deleted */
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#define IN_MOVE_SELF 0x00000800 /* Self was moved */
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/* the following are legal events. they are sent as needed to any watch */
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#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted */
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#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */
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#define IN_IGNORED 0x00008000 /* File was ignored */
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/* helper events */
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#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* close */
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#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */
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/* special flags */
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#define IN_ONLYDIR 0x01000000 /* only watch the path if it is a directory */
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#define IN_DONT_FOLLOW 0x02000000 /* don't follow a sym link */
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#define IN_EXCL_UNLINK 0x04000000 /* exclude events on unlinked objects */
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#define IN_MASK_ADD 0x20000000 /* add to the mask of an already existing watch */
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#define IN_ISDIR 0x40000000 /* event occurred against dir */
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#define IN_ONESHOT 0x80000000 /* only send event once */
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#endif /* _LINUX_INOTIFY_H */
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