diff options
| -rw-r--r-- | lib/System/Win32/RWMutex.inc | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/lib/System/Win32/RWMutex.inc b/lib/System/Win32/RWMutex.inc index 08c31f1eb7..5360b41b0e 100644 --- a/lib/System/Win32/RWMutex.inc +++ b/lib/System/Win32/RWMutex.inc @@ -18,36 +18,31 @@ #include "Win32.h" +// FIXME: THIS IS NOT THREAD-SAFE!! +// Windows does not have reader-writer locks pre-Vista. If you want to have +// thread-safe LLVM on Windows, for now at least, you need to use a pthreads +// replacement library. + namespace llvm { using namespace sys; -RWMutex::RWMutex() { - data_ = new PSRWLOCK; - InitializeSRWLock((PSRWLOCK*)data_); -} +RWMutex::RWMutex() { } -RWMutex::~RWMutex() { - delete (PSRWLOCK*)data_; - data_ = 0; -} +RWMutex::~RWMutex() { } bool RWMutex::reader_acquire() { - AcquireSRWLockShared((PSRWLOCK*)data_); return true; } bool RWMutex::reader_release() { - ReleaseSRWLockShared((PSRWLOCK*)data_); return true; } bool RWMutex::writer_acquire() { - AcquireSRWLockExclusive((PSRWLOCK*)data_); return true; } bool RWMutex::writer_release() { - ReleaseSRWLockExclusive((PSRWLOCK*)data_); return true; } |