Change DCHECK( == 0) to DCHECK_EQ in the posix lock implementation.

It is helpful to see the actual value during a check failure.

Review URL: http://codereview.chromium.org/42225


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@11741 0039d316-1c4b-4281-b951-d872f2087c98

base/lock_impl_posix.cc

@@ -13,13 +13,13 @@ LockImpl::LockImpl() {
   // In debug, setup attributes for lock error checking.
   pthread_mutexattr_t mta;
   int rv = pthread_mutexattr_init(&mta);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
   rv = pthread_mutexattr_settype(&mta, PTHREAD_MUTEX_ERRORCHECK);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
   rv = pthread_mutex_init(&os_lock_, &mta);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
   rv = pthread_mutexattr_destroy(&mta);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
 #else
   // In release, go with the default lock attributes.
   pthread_mutex_init(&os_lock_, NULL);
@@ -28,7 +28,7 @@ LockImpl::LockImpl() {
 
 LockImpl::~LockImpl() {
   int rv = pthread_mutex_destroy(&os_lock_);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
 }
 
 bool LockImpl::Try() {
@@ -39,10 +39,10 @@ bool LockImpl::Try() {
 
 void LockImpl::Lock() {
   int rv = pthread_mutex_lock(&os_lock_);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
 }
 
 void LockImpl::Unlock() {
   int rv = pthread_mutex_unlock(&os_lock_);
-  DCHECK(rv == 0);
+  DCHECK_EQ(rv, 0);
 }