various fixes

server-tools/instance-manager/buffer.cc:
  use my_realloc instead of realloc
server-tools/instance-manager/buffer.h:
  use my_malloc instead of malloc
server-tools/instance-manager/commands.cc:
  No need to send a buffer if there were some error while writing to it
server-tools/instance-manager/instance_options.cc:
  cleanup
server-tools/instance-manager/manager.cc:
  check sigwait return value
server-tools/instance-manager/parse_output.cc:
  fixed a bug, found with valgrind

1 files changed, 4 insertions, 4 deletions

diff --git a/server-tools/instance-manager/buffer.cc b/server-tools/instance-manager/buffer.cc
index 3a2a818e478..aaed161838d 100644
--- a/server-tools/instance-manager/buffer.cc
+++ b/server-tools/instance-manager/buffer.cc
@@ -81,10 +81,10 @@ int Buffer::reserve(uint position, uint len_arg)
 
   if (position + len_arg>= buffer_size)
   {
-    buffer= (char *) realloc(buffer,
-                             min(MAX_BUFFER_SIZE,
-                                 max((uint) (buffer_size*1.5),
-                                     position + len_arg)));
+    buffer= (char *) my_realloc(buffer,
+                                min(MAX_BUFFER_SIZE,
+                                    max((uint) (buffer_size*1.5),
+                                        position + len_arg)), MYF(0));
     if (buffer == NULL)
       goto err;
     buffer_size= (uint) (buffer_size*1.5);