Dup command-buffer SHM handle before auto-closing.

base/sync_socket_posix.cc

Index: base/sync_socket_posix.cc
diff --git a/base/sync_socket_posix.cc b/base/sync_socket_posix.cc
index c2020c2ad632f93cabc2fb755608218a9de59ec2..91467b189c72d69ac604130ec7f96dba951faa18 100644
--- a/base/sync_socket_posix.cc
+++ b/base/sync_socket_posix.cc
@@ -63,10 +63,14 @@ bool SyncSocket::CreatePair(SyncSocket* pair[2]) {
   return true;
 
  cleanup:
-  if (handles[0] != kInvalidHandle)
-    (void) close(handles[0]);
-  if (handles[1] != kInvalidHandle)
-    (void) close(handles[1]);
+  if (handles[0] != kInvalidHandle) {
+    if (HANDLE_EINTR(close(handles[0])) < 0)
+      PLOG(ERROR) << "close";
+  }
+  if (handles[1] != kInvalidHandle) {
+    if (HANDLE_EINTR(close(handles[1])) < 0)
+      PLOG(ERROR) << "close";
+  }
   delete tmp_sockets[0];
   delete tmp_sockets[1];
   return false;
@@ -76,7 +80,9 @@ bool SyncSocket::Close() {
   if (handle_ == kInvalidHandle) {
     return false;
   }
-  int retval = close(handle_);
+  int retval = HANDLE_EINTR(close(handle_));
+  if (retval < 0)
+    PLOG(ERROR) << "close";
   handle_ = kInvalidHandle;
   return (retval == 0);
 }