40   DCHECK_NE(handle, SyncSocket::kInvalidHandle);  in SendHelper()
48   if (handle != SyncSocket::kInvalidHandle && close(handle) < 0) {  in CloseHandle()
58 const SyncSocket::Handle SyncSocket::kInvalidHandle = -1;  member in base::SyncSocket
60 SyncSocket::SyncSocket() : handle_(kInvalidHandle) {}  in SyncSocket()
69   DCHECK_EQ(socket_a->handle_, kInvalidHandle);  in CreatePair()
70   DCHECK_EQ(socket_b->handle_, kInvalidHandle);  in CreatePair()
76   Handle handles[2] = { kInvalidHandle, kInvalidHandle };  in CreatePair()
113   return descriptor->fd != kInvalidHandle;  in PrepareTransitDescriptor()
118   handle_ = kInvalidHandle;  in Close()
131   DCHECK_NE(handle_, kInvalidHandle);  in Receive()
144   DCHECK_NE(handle_, kInvalidHandle);  in ReceiveWithTimeout()
199   DCHECK_NE(handle_, kInvalidHandle);  in Peek()
211   handle_ = kInvalidHandle;  in Release()
221   DCHECK_NE(handle_, kInvalidHandle);  in Shutdown()
228   DCHECK_NE(handle_, kInvalidHandle);  in Send()