denc: use scope_guard to close(fd)

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/include/denc.h b/src/include/denc.h
index c466854a12e8683ef6f0b24ea481e860cc22c1f2..af3b8db583c69fb9a5ecf758e130e61c70d72af7 100644 (file)
--- a/src/include/denc.h
+++ b/src/include/denc.h
@@ -41,6 +41,7 @@
 #include "include/ceph_assert.h"       // boost clobbers this
 #include "include/intarith.h"
 #include "include/int_types.h"
+#include "include/scope_guard.h"
 
 #include "buffer.h"
 #include "byteorder.h"
@@ -131,7 +132,6 @@ private:
       size_t len = appender.get_pos() - start;
       [[maybe_unused]] int r = ::write(fd, start, len);
     }
-    ::close(fd);
   }
   const char* name;
   ceph::bufferlist::contiguous_appender& appender;