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preparing fanotify

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This commit is contained in:
Axel Kittenberger 2010-11-28 08:13:05 +00:00
parent 4cc58347f8
commit 91bad8bf46
4 changed files with 98 additions and 16 deletions
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3
Makefile.am
View File

@ -5,6 +5,9 @@ lsyncd_SOURCES = lsyncd.h lsyncd.c lsyncd.lua
if INOTIFY
lsyncd_SOURCES += inotify.c
endif
if FANOTIFY
lsyncd_SOURCES += fanotify.c
endif
if FSEVENTS
lsyncd_SOURCES += fsevents.c
endif

28
configure.ac
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@ -29,7 +29,7 @@ AM_CONDITIONAL([RUNNER], [test x${with_runner} != x])
###
# --without-inotify option
AC_ARG_WITH([inotify],
[ --without-inotify Do not compile Linux inotify event interface. On by default.])
[ --without-inotify Do not use Linux inotify event interface. On by default.])
if test "x${with_inotify}" == xno; then
echo "compiling without inotify"
else
@ -38,21 +38,33 @@ else
fi
AM_CONDITIONAL([INOTIFY], [test x${with_inotify} != xno])
###
# --without-inotify option
AC_ARG_WITH([fanotify],
[ --with-fanotify Uses Linux new fanotify event interface. EXPERIMENTAL!
Off by default.])
if test "x${with_fanotify}" == xno; then
echo "compiling without fanotify"
else
echo "compiling with fanotify - WARNING experimental!"
AC_DEFINE(LSYNCD_WITH_FANOTIFY,,"descr")
fi
AM_CONDITIONAL([FANOTIFY],
[test x${with_fanotify} != x -a x${with_fanotify} != xno])
###
# --with-fsevents
AC_ARG_WITH([fsevents],
[ --with-fsevents=DIR Uses MacOS (10.5) /dev/fsevents, experimental! Off by default.
As DIR specify dir where xnu headers can be found.])
if test "x${with_fsevents}" == xno; then
with_fsevents=
fi
[ --with-fsevents Uses MacOS (10.5) /dev/fsevents. EXPERIMENTAL!
Off by default.])
if test "x${with_fsevents}" != x; then
echo "compiling with fsevents. Warning experimental!"
echo "compiling with fsevents. WARNING experimental!"
AC_DEFINE(LSYNCD_WITH_FSEVENTS,,"descr")
else
echo "compiling without fsevents"
fi
AM_CONDITIONAL([FSEVENTS], [test x${with_fsevents} != x])
AM_CONDITIONAL([FSEVENTS],
[test x${with_fsevents} != x -a xno${with_fsevents} != xno])
# Checks for typedefs, structures, and compiler characteristics.
# Checks for library functions.

46
fanotify.c Normal file
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@ -0,0 +1,46 @@
/**
* fsevents.c from Lsyncd - Live (Mirror) Syncing Demon
*
* License: GPLv2 (see COPYING) or any later version
*
* Authors: Axel Kittenberger <axkibe@gmail.com>
*
* -----------------------------------------------------------------------
*
* Interface to Linux' new filesystem monitor - fanotify.
*/
#include "lsyncd.h"
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
static const luaL_reg lfanotifylib[] = {
{NULL, NULL}
};
/**
* registers fanoitfy functions.
*/
extern void
register_fanotify(lua_State *L) {
lua_pushstring(L, "fanotify");
luaL_register(L, "fanotify", lfanotifylib);
}
/**
* opens and initalizes fsevents.
*/
extern void
open_fanotify(lua_State *L) {
// TODO
}
/**
* closes fsevents
*/
extern void
close_fanotify() {
// TODO
}

37
lsyncd.c
View File

@ -44,17 +44,32 @@
extern char _binary_luac_out_end;
#endif
/**
* The default notification system to use.
* Makes sure there is one monitor.
*/
#if defined LSYNCD_WITH_INOTIFY
static char *default_notify = "Inotify";
#elif defined LSYNCD_WITH_FSEVENTS
static char *default_notify = "FsEvents";
#else
#ifndef LSYNCD_WITH_INOTIFY
#ifndef LSYNCD_WITH_FANOTIFY
#ifndef LSYNCD_WITH_FSEVENTS
# error "need at least one notifcation system. please rerun ./configure"
#endif
#endif
#endif
/**
* All monitors supported by this Lsyncd.
*/
static char *monitors[] = {
#ifdef LSYNCD_WITH_INOTIFY
"inotify",
#endif
#ifdef LSYNCD_WITH_FANOTIFY
"fanotify",
#endif
#ifdef LSYNCD_WITH_FSEVENTS
"fsevents",
#endif
NULL,
};
/**
* configuration parameters
@ -1542,10 +1557,16 @@ main1(int argc, char *argv[])
}
{
int idx = 1;
/* runs initialitions from runner
* lua code will set configuration and add watches */
load_runner_func(L, "initialize");
lua_pushstring(L, default_notify);
lua_newtable(L);
while (monitors[idx]) {
lua_pushnumber(L, idx);
lua_pushstring(L, monitors[idx++]);
lua_settable(L, -3);
}
if (lua_pcall(L, 1, 0, -3)) {
exit(-1); // ERRNO
}