diff options
| -rw-r--r-- | apt-pkg/contrib/mmap.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc index 0ac202aef..fdeb344d5 100644 --- a/apt-pkg/contrib/mmap.cc +++ b/apt-pkg/contrib/mmap.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: mmap.cc,v 1.10 1998/11/23 07:03:08 jgg Exp $ +// $Id: mmap.cc,v 1.11 1999/02/05 02:26:13 jgg Exp $ /* ###################################################################### MMap Class - Provides 'real' mmap or a faked mmap using read(). @@ -106,9 +106,11 @@ bool MMap::Close(bool DoClose, bool DoSync) not return till all IO is complete */ bool MMap::Sync() { +#ifdef _POSIX_SYNCHRONIZED_IO if ((Flags & ReadOnly) != ReadOnly) if (msync((char *)Base,iSize,MS_SYNC) != 0) return _error->Error("msync","Unable to write mmap"); +#endif return true; } /*}}}*/ @@ -117,9 +119,11 @@ bool MMap::Sync() /* */ bool MMap::Sync(unsigned long Start,unsigned long Stop) { +#ifdef _POSIX_SYNCHRONIZED_IO if ((Flags & ReadOnly) != ReadOnly) if (msync((char *)Base+(int)(Start/PAGE_SIZE)*PAGE_SIZE,Stop - Start,MS_SYNC) != 0) return _error->Error("msync","Unable to write mmap"); +#endif return true; } /*}}}*/ |