X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FMutex.cpp;h=c8d3844d0c9618a19133836c06aabac831f42e35;hb=8308f0e30fb647576a9a9de775e45fb4b1c0a08f;hp=292d32a2fb1923f2637cdb9aadc97b3587b32e38;hpb=34bc6b6e787f27b5c9e05c82de4c1b4ac9b117bc;p=oota-llvm.git

diff --git a/lib/Support/Mutex.cpp b/lib/Support/Mutex.cpp
index 292d32a2fb1..c8d3844d0c9 100644
--- a/lib/Support/Mutex.cpp
+++ b/lib/Support/Mutex.cpp
@@ -75,7 +75,7 @@ MutexImpl::MutexImpl( bool recursive)
 MutexImpl::~MutexImpl()
 {
   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);
-  assert(mutex != 0);
+  assert(mutex != nullptr);
   pthread_mutex_destroy(mutex);
   free(mutex);
 }
@@ -84,7 +84,7 @@ bool
 MutexImpl::acquire()
 {
   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);
-  assert(mutex != 0);
+  assert(mutex != nullptr);
 
   int errorcode = pthread_mutex_lock(mutex);
   return errorcode == 0;
@@ -94,7 +94,7 @@ bool
 MutexImpl::release()
 {
   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);
-  assert(mutex != 0);
+  assert(mutex != nullptr);
 
   int errorcode = pthread_mutex_unlock(mutex);
   return errorcode == 0;
@@ -104,7 +104,7 @@ bool
 MutexImpl::tryacquire()
 {
   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);
-  assert(mutex != 0);
+  assert(mutex != nullptr);
 
   int errorcode = pthread_mutex_trylock(mutex);
   return errorcode == 0;