Update the non-pthreads fallback for RWMutex on Unix

Tested this by #if 0'ing out the pthreads implementation, which
indicated that this fallback was not currently compiling successfully
and applying this patch resolves that.

Patch by Andy Chien.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220969 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/Unix/RWMutex.inc b/lib/Support/Unix/RWMutex.inc
index edcbd52f5f377b516f633df28b3ad9a61afad72a..85a104334a27c970f288c30af2d0b0e442ac9c7e 100644 (file)
--- a/lib/Support/Unix/RWMutex.inc
+++ b/lib/Support/Unix/RWMutex.inc
@@ -26,26 +26,26 @@ using namespace sys;
 // will therefore deadlock if a thread tries to acquire a read lock
 // multiple times.
 
-RWMutexImpl::RWMutexImpl() : data_(new Mutex(false)) { }
+RWMutexImpl::RWMutexImpl() : data_(new MutexImpl(false)) { }
 
 RWMutexImpl::~RWMutexImpl() {
-  delete static_cast<Mutex *>(data_);
+  delete static_cast<MutexImpl *>(data_);
 }
 
 bool RWMutexImpl::reader_acquire() {
-  return static_cast<Mutex *>(data_)->acquire();
+  return static_cast<MutexImpl *>(data_)->acquire();
 }
 
 bool RWMutexImpl::reader_release() {
-  return static_cast<Mutex *>(data_)->release();
+  return static_cast<MutexImpl *>(data_)->release();
 }
 
 bool RWMutexImpl::writer_acquire() {
-  return static_cast<Mutex *>(data_)->acquire();
+  return static_cast<MutexImpl *>(data_)->acquire();
 }
 
 bool RWMutexImpl::writer_release() {
-  return static_cast<Mutex *>(data_)->release();
+  return static_cast<MutexImpl *>(data_)->release();
 }
 
 }