Test location of failure observed on ubuntu hudson

diff --git a/libmemcached/io.c b/libmemcached/io.c
index bc74af7d985962f920be22543a758a6b457c664c..17de85725d32c28c36c540644056d807111666e7 100644 (file)
--- a/libmemcached/io.c
+++ b/libmemcached/io.c
@@ -385,7 +385,10 @@ static ssize_t _io_write(memcached_server_write_instance_st ptr,
       buffer_end= MAX_UDP_DATAGRAM_LENGTH;
       should_write= length;
       if (ptr->write_buffer_offset + should_write > buffer_end)
+      {
+        fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
         return -1;
+      }
     }
     else
     {
@@ -408,7 +411,10 @@ static ssize_t _io_write(memcached_server_write_instance_st ptr,
       WATCHPOINT_ASSERT(ptr->fd != INVALID_SOCKET);
       sent_length= io_flush(ptr, &rc);
       if (sent_length == -1)
+      {
+        fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
         return -1;
+      }
 
       /* If io_flush calls memcached_purge, sent_length may be 0 */
       unlikely (sent_length != 0)
@@ -424,6 +430,7 @@ static ssize_t _io_write(memcached_server_write_instance_st ptr,
     WATCHPOINT_ASSERT(ptr->fd != INVALID_SOCKET);
     if (io_flush(ptr, &rc) == -1)
     {
+      fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
       return -1;
     }
 
@@ -574,7 +581,10 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
     rc= memcached_purge(ptr);
 
     if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_STORED)
+    {
+      fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
       return -1;
+    }
   }
   ssize_t sent_length;
   size_t return_length;
@@ -587,7 +597,10 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
 
   // UDP Sanity check, make sure that we are not sending somthing too big
   if (ptr->type == MEMCACHED_CONNECTION_UDP && write_length > MAX_UDP_DATAGRAM_LENGTH)
+  {
+    fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
     return -1;
+  }
 
   if (ptr->write_buffer_offset == 0 || (ptr->type == MEMCACHED_CONNECTION_UDP
                                         && ptr->write_buffer_offset == UDP_DATAGRAM_HEADER_LENGTH))
@@ -643,11 +656,13 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
             continue;
 
           memcached_quit_server(ptr, true);
+          fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
           return -1;
         }
       default:
         memcached_quit_server(ptr, true);
         *error= MEMCACHED_ERRNO;
+        fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
         return -1;
       }
     }
@@ -656,6 +671,7 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
         (size_t)sent_length != write_length)
     {
       memcached_quit_server(ptr, true);
+      fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
       return -1;
     }