From ca06bb0edc752c6a55d51450af8a4bb4acf3b5f5 Mon Sep 17 00:00:00 2001
From: "Jay Freeman (saurik)" <saurik@saurk.com>
Date: Wed, 17 Jun 2009 21:57:49 +0000
Subject: [PATCH] Epic multi-threading.

---
 Cydia.mm             | 15 ++++++++++-----
 UICaboodle/RVBook.mm |  3 +++
 UICaboodle/RVPage.h  |  1 +
 UICaboodle/RVPage.mm |  4 ++++
 4 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/Cydia.mm b/Cydia.mm
index f90aa0bb..879ba998 100644
--- a/Cydia.mm
+++ b/Cydia.mm
@@ -2178,6 +2178,7 @@ struct PackageNameOrdering :
 }
 
 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
+@synchronized ([Database class]) {
     pkgCache::VerIterator version;
 
     _profile(Package$packageWithIterator$GetCandidateVer)
@@ -2193,7 +2194,7 @@ struct PackageNameOrdering :
         inPool:pool
         database:database
     ] autorelease];
-}
+} }
 
 - (pkgCache::PkgIterator) iterator {
     return iterator_;
@@ -2981,11 +2982,12 @@ static NSArray *Finishes_;
 }
 
 - (Package *) packageWithName:(NSString *)name {
+@synchronized ([Database class]) {
     if (static_cast<pkgDepCache *>(cache_) == NULL)
         return nil;
     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
-}
+} }
 
 - (Database *) init {
     if ((self = [super init]) != nil) {
@@ -3141,6 +3143,8 @@ static NSArray *Finishes_;
 }
 
 - (void) reloadData { _pooled
+@synchronized ([Database class]) {
+
     @synchronized (self) {
         ++era_;
     }
@@ -3279,7 +3283,7 @@ static NSArray *Finishes_;
 
         _trace();
     }
-}
+} }
 
 - (void) configure {
     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
@@ -6566,9 +6570,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         section = [filtered_ objectAtIndex:(row - 1)];
         name = [section name];
 
-        if (name != nil)
+        if (name != nil) {
+            name = [NSString stringWithString:name];
             title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
-        else {
+        } else {
             name = @"";
             title = UCLocalize("NO_SECTION");
         }
diff --git a/UICaboodle/RVBook.mm b/UICaboodle/RVBook.mm
index 433de39d..18de2b6d 100644
--- a/UICaboodle/RVBook.mm
+++ b/UICaboodle/RVBook.mm
@@ -65,6 +65,9 @@
     if (toolbar_ != nil)
         [toolbar_ setDelegate:nil];
 
+    for (RVPage *page in pages_)
+        [page setBook:nil];
+
     [pages_ release];
     [navbar_ release];
     [transition_ release];
diff --git a/UICaboodle/RVPage.h b/UICaboodle/RVPage.h
index 7aebba2d..18e3dd4c 100644
--- a/UICaboodle/RVPage.h
+++ b/UICaboodle/RVPage.h
@@ -35,5 +35,6 @@
 - (id) initWithBook:(RVBook *)book;
 
 - (void) setDelegate:(id)delegate;
+- (void) setBook:(RVBook *)book;
 
 @end
diff --git a/UICaboodle/RVPage.mm b/UICaboodle/RVPage.mm
index 77007558..9d77a861 100644
--- a/UICaboodle/RVPage.mm
+++ b/UICaboodle/RVPage.mm
@@ -76,4 +76,8 @@
     delegate_ = delegate;
 }
 
+- (void) setBook:(RVBook *)book {
+    book_ = book;
+}
+
 @end
-- 
2.45.2