From d6c4a9764d052c9755ab934c97c7a84c48ebd618 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Mon, 9 Nov 2009 10:17:19 +0100 Subject: extent the mmap to be able to handle currently not implemented (but planed) growable mmaps --- apt-pkg/contrib/mmap.h | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'apt-pkg/contrib/mmap.h') diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h index bde62217d..cd2b15ba2 100644 --- a/apt-pkg/contrib/mmap.h +++ b/apt-pkg/contrib/mmap.h @@ -50,7 +50,7 @@ class MMap public: enum OpenFlags {NoImmMap = (1<<0),Public = (1<<1),ReadOnly = (1<<2), - UnMapped = (1<<3)}; + UnMapped = (1<<3), Moveable = (1<<4), Fallback = (1 << 5)}; // Simple accessors inline operator void *() {return Base;}; @@ -82,6 +82,8 @@ class DynamicMMap : public MMap FileFd *Fd; unsigned long WorkSpace; + unsigned long const GrowFactor; + unsigned long const Limit; Pool *Pools; unsigned int PoolCount; @@ -96,8 +98,10 @@ class DynamicMMap : public MMap inline unsigned long WriteString(const string &S) {return WriteString(S.c_str(),S.length());}; void UsePools(Pool &P,unsigned int Count) {Pools = &P; PoolCount = Count;}; - DynamicMMap(FileFd &F,unsigned long Flags,unsigned long WorkSpace = 2*1024*1024); - DynamicMMap(unsigned long Flags,unsigned long WorkSpace = 2*1024*1024); + DynamicMMap(FileFd &F,unsigned long Flags,unsigned long const &WorkSpace = 2*1024*1024, + unsigned long const &Grow = 1024*1024, unsigned long const &Limit = 0); + DynamicMMap(unsigned long Flags,unsigned long const &WorkSpace = 2*1024*1024, + unsigned long const &Grow = 1024*1024, unsigned long const &Limit = 0); virtual ~DynamicMMap(); }; -- cgit v1.2.3