Fix to return errno

There is a possibility that errno may be changed during write log
Modified to save the errno value

Change-Id: I210bc4678e83ee00bb1c1b788f5c99c23f745b6a
Signed-off-by: Ilho Kim <ilho159.kim@samsung.com>

diff --git a/src/common/socket/abstract_socket.cc b/src/common/socket/abstract_socket.cc
index 6d60f36..9dca341 100644 (file)
--- a/src/common/socket/abstract_socket.cc
+++ b/src/common/socket/abstract_socket.cc
@@ -71,17 +71,18 @@ int AbstractSocket::ReceiveData(void* buf, unsigned int size) {
   while (left) {
     ssize_t recv_byte = recv(fd_, buffer, left, 0);
     if (recv_byte == 0) {
+      int err = errno;
       LOG(WARNING) << "Socket was disconnected. fd: " << fd_
-          << ", errno: " << errno;
-      return -errno;
+          << ", errno: " << err;
+      return -err;
     } else if (recv_byte < 0) {
       if (errno == EINTR) {
         LOG(WARNING) << "Interrupt occuered, try to receive data continue";
         continue;
       } else if (errno == EAGAIN) {
         if (is_blocking) {
-          LOG(ERROR) << "Timed out. fd: " << fd_ << ", errno: " << errno;
-          return -errno;
+          LOG(ERROR) << "Timed out. fd: " << fd_ << ", errno: " << EAGAIN;
+          return -EAGAIN;
         }
 
         if (retry_count > 0) {