From 3ac981df108470b42b89d0d4a816a5e3ba58c501 Mon Sep 17 00:00:00 2001 From: Pino Toscano Date: Sat, 4 Aug 2012 10:20:30 +0200 Subject: apt-pkg/contrib/mmap.cc: - guard only the msync call with _POSIX_SYNCHRONIZED_IO rather than also the fallback code as it breaks APT on hurd since 0.9.7.3 as the fallback is now always used on non-linux (Closes: #683354) --- apt-pkg/contrib/mmap.cc | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'apt-pkg/contrib/mmap.cc') diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc index 3e6ef3520..df7cd2a59 100644 --- a/apt-pkg/contrib/mmap.cc +++ b/apt-pkg/contrib/mmap.cc @@ -156,11 +156,10 @@ bool MMap::Close(bool DoSync) /* This is done in syncronous mode - the docs indicate that this will not return till all IO is complete */ bool MMap::Sync() -{ +{ if ((Flags & UnMapped) == UnMapped) return true; - -#ifdef _POSIX_SYNCHRONIZED_IO + if ((Flags & ReadOnly) != ReadOnly) { if (SyncToFd != NULL) @@ -170,11 +169,12 @@ bool MMap::Sync() } else { +#ifdef _POSIX_SYNCHRONIZED_IO if (msync((char *)Base, iSize, MS_SYNC) < 0) return _error->Errno("msync", _("Unable to synchronize mmap")); +#endif } } -#endif return true; } /*}}}*/ @@ -185,8 +185,7 @@ bool MMap::Sync(unsigned long Start,unsigned long Stop) { if ((Flags & UnMapped) == UnMapped) return true; - -#ifdef _POSIX_SYNCHRONIZED_IO + unsigned long long PSize = sysconf(_SC_PAGESIZE); if ((Flags & ReadOnly) != ReadOnly) { @@ -198,11 +197,12 @@ bool MMap::Sync(unsigned long Start,unsigned long Stop) } else { +#ifdef _POSIX_SYNCHRONIZED_IO if (msync((char *)Base+(unsigned long long)(Start/PSize)*PSize,Stop - Start,MS_SYNC) < 0) return _error->Errno("msync", _("Unable to synchronize mmap")); +#endif } } -#endif return true; } /*}}}*/ -- cgit v1.2.3