From 04e8da5200f5b643b520f1b8acb8976d771d3723 Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Fri, 19 Oct 2012 17:56:54 +0100
Subject: broken into two files

---
 lib/Linux/FANotify.pm          | 104 +++-----------------------------------
 lib/Linux/FANotify/LowLevel.pm | 111 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 117 insertions(+), 98 deletions(-)
 create mode 100644 lib/Linux/FANotify/LowLevel.pm

diff --git a/lib/Linux/FANotify.pm b/lib/Linux/FANotify.pm
index cf30ba0..a839574 100644
--- a/lib/Linux/FANotify.pm
+++ b/lib/Linux/FANotify.pm
@@ -1,101 +1,7 @@
 package Linux::FANotify;
-use 5.016;
 use strict;
 use warnings;
-my $ccode;
-BEGIN {
-my @constants=qw(
-                    FAN_ACCESS
-                    FAN_MODIFY
-                    FAN_CLOSE_WRITE
-                    FAN_CLOSE_NOWRITE
-                    FAN_OPEN
-                    FAN_Q_OVERFLOW
-                    FAN_OPEN_PERM
-                    FAN_ACCESS_PERM
-                    FAN_ONDIR
-                    FAN_EVENT_ON_CHILD
-                    FAN_CLOSE
-                    FAN_CLOEXEC
-                    FAN_NONBLOCK
-                    FAN_CLASS_NOTIF
-                    FAN_CLASS_CONTENT
-                    FAN_CLASS_PRE_CONTENT
-                    FAN_ALL_CLASS_BITS
-                    FAN_UNLIMITED_QUEUE
-                    FAN_UNLIMITED_MARKS
-                    FAN_ALL_INIT_FLAGS
-                    FAN_MARK_ADD
-                    FAN_MARK_REMOVE
-                    FAN_MARK_DONT_FOLLOW
-                    FAN_MARK_ONLYDIR
-                    FAN_MARK_MOUNT
-                    FAN_MARK_IGNORED_MASK
-                    FAN_MARK_IGNORED_SURV_MODIFY
-                    FAN_MARK_FLUSH
-                    FAN_ALL_MARK_FLAGS
-                    FAN_ALL_EVENTS
-                    FAN_ALL_PERM_EVENTS
-                    FAN_ALL_OUTGOING_EVENTS
-                    FANOTIFY_METADATA_VERSION
-                    FAN_ALLOW
-                    FAN_DENY
-                    FAN_NOFD
-            );
-$ccode=<<EOC;
-#include <sys/fanotify.h>
-#include <stdlib.h>
-#include <string.h>
-EOC
-for my $c (@constants) {
-    my $sub_name = lc($c =~ s{^.*?_}{}r);
-    $ccode .= "long CONST_${sub_name}() { return $c; }\n";
-}
-$ccode.=<<EOC;
-int perl_fanotify_init(unsigned int flags, unsigned int event_f_flags) {
-    return fanotify_init(flags,event_f_flags);
-}
-
-int perl_fanotify_mark(int fanotify_fd, unsigned int flags,
-                       unsigned long mask, int dfd, const char *pathname) {
-    return fanotify_mark(fanotify_fd, flags, mask, dfd, pathname);
-}
-
-SV* perl_memalign(size_t alignment, size_t size) {
-  void* buffer=NULL;
-  int err;
-  err = posix_memalign(&buffer, alignment, size);
-  if (err != 0 || buffer == NULL) {
-    SV* bang = get_sv("!", 0);
-    sv_setiv(bang, (IV)err);
-    sv_setpvf(bang, "%s", strerror(err)); /* let Perl copy the string */
-    SvIOK_on(bang);
-    return &PL_sv_undef;
-  }
-  return sv_2mortal(newSVpvn(buffer,size));
-}
-AV* unpack_events(SV* svbuffer) {
-    STRLEN len;
-    void * buffer = SvPV(svbuffer,len);
-    AV* ret = newAV();
-    HV* event;
-    struct fanotify_event_metadata *data;
-    data = (struct fanotify_event_metadata *) buffer;
-
-    while(FAN_EVENT_OK(data,len)) {
-        event = newHV();
-        av_push(ret,newRV_noinc((SV*)event));
-        hv_store(event,"mask",4,newSViv(data->mask),0);
-        hv_store(event,"fd",2,newSViv(data->fd),0);
-        hv_store(event,"pid",3,newSViv(data->pid),0);
-        buffer = FAN_EVENT_NEXT(data,len);
-    }
-
-    return ret;
-}
-EOC
-}
-use Inline C => $ccode;
+use Linux::FANotify::LowLevel ':constants',':functions';
 use POSIX qw();
 use Data::Printer;
 
@@ -104,9 +10,11 @@ my $fan_fd = perl_fanotify_init(0,0);
 warn "fan fd: $fan_fd $!";
 my $fan_fh;open($fan_fh,'<&=',$fan_fd);
 
-my $ret = perl_fanotify_mark($fan_fd,
-                        CONST_mark_add | CONST_mark_mount,
-                        CONST_open | CONST_close, 0, '/tmp');
+my $ret = perl_fanotify_mark(
+    $fan_fd,
+    CONST_mark_add,# | CONST_mark_mount,
+    CONST_open | CONST_close | CONST_event_on_child,
+    0, '/tmp');
 if ($ret < 0) {
     die "WTF? $ret";
 }
diff --git a/lib/Linux/FANotify/LowLevel.pm b/lib/Linux/FANotify/LowLevel.pm
new file mode 100644
index 0000000..90d8568
--- /dev/null
+++ b/lib/Linux/FANotify/LowLevel.pm
@@ -0,0 +1,111 @@
+package Linux::FANotify::LowLevel;
+use 5.014;
+use strict;
+use warnings;
+my $ccode;my @exports;
+BEGIN {
+my @constants=qw(
+                    FAN_ACCESS
+                    FAN_MODIFY
+                    FAN_CLOSE_WRITE
+                    FAN_CLOSE_NOWRITE
+                    FAN_OPEN
+                    FAN_Q_OVERFLOW
+                    FAN_OPEN_PERM
+                    FAN_ACCESS_PERM
+                    FAN_ONDIR
+                    FAN_EVENT_ON_CHILD
+                    FAN_CLOSE
+                    FAN_CLOEXEC
+                    FAN_NONBLOCK
+                    FAN_CLASS_NOTIF
+                    FAN_CLASS_CONTENT
+                    FAN_CLASS_PRE_CONTENT
+                    FAN_ALL_CLASS_BITS
+                    FAN_UNLIMITED_QUEUE
+                    FAN_UNLIMITED_MARKS
+                    FAN_ALL_INIT_FLAGS
+                    FAN_MARK_ADD
+                    FAN_MARK_REMOVE
+                    FAN_MARK_DONT_FOLLOW
+                    FAN_MARK_ONLYDIR
+                    FAN_MARK_MOUNT
+                    FAN_MARK_IGNORED_MASK
+                    FAN_MARK_IGNORED_SURV_MODIFY
+                    FAN_MARK_FLUSH
+                    FAN_ALL_MARK_FLAGS
+                    FAN_ALL_EVENTS
+                    FAN_ALL_PERM_EVENTS
+                    FAN_ALL_OUTGOING_EVENTS
+                    FANOTIFY_METADATA_VERSION
+                    FAN_ALLOW
+                    FAN_DENY
+                    FAN_NOFD
+            );
+$ccode=<<EOC;
+#include <sys/fanotify.h>
+#include <stdlib.h>
+#include <string.h>
+EOC
+for my $c (@constants) {
+    my $sub_name = lc($c =~ s{^.*?_}{}r);
+    $ccode .= "long CONST_${sub_name}() { return $c; }\n";
+    push @exports,"CONST_${sub_name}";
+}
+$ccode.=<<EOC;
+int perl_fanotify_init(unsigned int flags, unsigned int event_f_flags) {
+    return fanotify_init(flags,event_f_flags);
+}
+
+int perl_fanotify_mark(int fanotify_fd, unsigned int flags,
+                       unsigned long mask, int dfd, const char *pathname) {
+    return fanotify_mark(fanotify_fd, flags, mask, dfd, pathname);
+}
+
+SV* perl_memalign(size_t alignment, size_t size) {
+  void* buffer=NULL;
+  int err;
+  err = posix_memalign(&buffer, alignment, size);
+  if (err != 0 || buffer == NULL) {
+    SV* bang = get_sv("!", 0);
+    sv_setiv(bang, (IV)err);
+    sv_setpvf(bang, "%s", strerror(err)); /* let Perl copy the string */
+    SvIOK_on(bang);
+    return &PL_sv_undef;
+  }
+  return sv_2mortal(newSVpvn(buffer,size));
+}
+AV* unpack_events(SV* svbuffer) {
+    STRLEN len;
+    void * buffer = SvPV(svbuffer,len);
+    AV* ret = newAV();
+    HV* event;
+    struct fanotify_event_metadata *data;
+    data = (struct fanotify_event_metadata *) buffer;
+
+    while(FAN_EVENT_OK(data,len)) {
+        event = newHV();
+        av_push(ret,newRV_noinc((SV*)event));
+        hv_store(event,"mask",4,newSViv(data->mask),0);
+        hv_store(event,"fd",2,newSViv(data->fd),0);
+        hv_store(event,"pid",3,newSViv(data->pid),0);
+        buffer = FAN_EVENT_NEXT(data,len);
+    }
+
+    return ret;
+}
+EOC
+}
+use Inline C => $ccode;
+use Sub::Exporter -setup => {
+    exports => [
+        @exports,
+        qw(perl_fanotify_init perl_fanotify_mark perl_memalign unpack_events)
+    ],
+    groups => {
+        constants => \@exports,
+        functions => [qw(perl_fanotify_init perl_fanotify_mark unpack_events)],
+    },
+};
+
+1;
-- 
cgit v1.2.3