diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/contrib/mmap.cc | 2 | ||||
| -rw-r--r-- | apt-pkg/pkgcachegen.cc | 22 | ||||
| -rw-r--r-- | apt-pkg/pkgcachegen.h | 1 |
3 files changed, 19 insertions, 6 deletions
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc index aa184b130..69fb61fca 100644 --- a/apt-pkg/contrib/mmap.cc +++ b/apt-pkg/contrib/mmap.cc @@ -398,6 +398,8 @@ bool DynamicMMap::Grow() { if (Limit != 0 && WorkSpace >= Limit) return _error->Error(_("Unable to increase the size of the MMap as the " "limit of %lu bytes is already reached."), Limit); + if (GrowFactor <= 0) + return _error->Error(_("Unable to increase size of the MMap as automatic growing is disabled by user.")); unsigned long const newSize = WorkSpace + GrowFactor; diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index 18bad6727..7ca8fbfda 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -1094,6 +1094,18 @@ static bool BuildCache(pkgCacheGenerator &Gen, return true; } /*}}}*/ +DynamicMMap* pkgCacheGenerator::CreateDynamicMMap(FileFd *CacheF, unsigned long Flags) { + unsigned long const MapStart = _config->FindI("APT::Cache-Start", 24*1024*1024); + unsigned long const MapGrow = _config->FindI("APT::Cache-Grow", 1*1024*1024); + unsigned long const MapLimit = _config->FindI("APT::Cache-Limit", 0); + Flags |= MMap::Moveable; + if (_config->FindB("APT::Cache-Fallback", false) == true) + Flags |= MMap::Fallback; + if (CacheF != NULL) + return new DynamicMMap(*CacheF, Flags, MapStart, MapGrow, MapLimit); + else + return new DynamicMMap(Flags, MapStart, MapGrow, MapLimit); +} // CacheGenerator::MakeStatusCache - Construct the status cache /*{{{*/ // --------------------------------------------------------------------- /* This makes sure that the status cache (the cache that has all @@ -1109,7 +1121,6 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress MMap **OutMap,bool AllowMem) { bool const Debug = _config->FindB("Debug::pkgCacheGen", false); - unsigned long const MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024); vector<pkgIndexFile *> Files; for (vector<metaIndex *>::const_iterator i = List.begin(); @@ -1181,7 +1192,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress unlink(CacheFile.c_str()); CacheF = new FileFd(CacheFile,FileFd::WriteEmpty); fchmod(CacheF->Fd(),0644); - Map = new DynamicMMap(*CacheF,MMap::Public | MMap::Moveable, MapSize); + Map = CreateDynamicMMap(CacheF, MMap::Public); if (_error->PendingError() == true) return false; if (Debug == true) @@ -1190,7 +1201,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress else { // Just build it in memory.. - Map = new DynamicMMap(MMap::Moveable, MapSize); + Map = CreateDynamicMMap(NULL); if (Debug == true) std::clog << "Open memory Map (not filebased)" << std::endl; } @@ -1297,13 +1308,12 @@ __deprecated bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutM { return pkgCacheGenerator::MakeOnlyStatusCache(&Progress, OutMap); } bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap) { - unsigned long MapSize = _config->FindI("APT::Cache-Limit",20*1024*1024); vector<pkgIndexFile *> Files; unsigned long EndOfSource = Files.size(); if (_system->AddStatusFiles(Files) == false) return false; - - SPtr<DynamicMMap> Map = new DynamicMMap(MMap::Moveable, MapSize); + + SPtr<DynamicMMap> Map = CreateDynamicMMap(NULL); unsigned long CurrentSize = 0; unsigned long TotalSize = 0; diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h index 3bee1f958..20dd28030 100644 --- a/apt-pkg/pkgcachegen.h +++ b/apt-pkg/pkgcachegen.h @@ -101,6 +101,7 @@ class pkgCacheGenerator /*{{{*/ static bool MakeStatusCache(pkgSourceList &List,OpProgress *Progress, MMap **OutMap = 0,bool AllowMem = false); static bool MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap); + static DynamicMMap* CreateDynamicMMap(FileFd *CacheF, unsigned long Flags = 0); void ReMap(void const * const oldMap, void const * const newMap); |