From 7bbb6d645c95e434298def53ff4450dba21c0af7 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 1 Apr 2008 06:16:24 +0000 Subject: Implement Path::MapInFilePages/UnMapFilePages on unix, which provides fast MappedFile::getFile for large files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49034 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/System/Unix/MappedFile.inc | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'lib/System/Unix/MappedFile.inc') diff --git a/lib/System/Unix/MappedFile.inc b/lib/System/Unix/MappedFile.inc index 35efaa6..c85a53d 100644 --- a/lib/System/Unix/MappedFile.inc +++ b/lib/System/Unix/MappedFile.inc @@ -75,7 +75,6 @@ const void* MappedFile::map(std::string* ErrMsg) { assert(MapInfo && "MappedFile not initialized"); if (isMapped()) return BasePtr; - int prot = PROT_READ; int flags = MAP_PRIVATE; #ifdef MAP_FILE flags |= MAP_FILE; @@ -83,7 +82,7 @@ const void* MappedFile::map(std::string* ErrMsg) { size_t PageSize = Process::GetPageSize(); size_t map_size = ((MapInfo->Size / PageSize)+1) * PageSize; - BasePtr = ::mmap(0, map_size, prot, flags, MapInfo->FD, 0); + BasePtr = ::mmap(0, map_size, PROT_READ, flags, MapInfo->FD, 0); if (BasePtr == MAP_FAILED) { MakeErrMsg(ErrMsg, "Can't map file:" + Path.toString()); return 0; -- cgit v1.1