Post-review fixes + some bugs fixed + several minor features

BitKeeper/deleted/.del-client_func.c~3476a8a85cbd3c29:
  Delete: server-tools/instance-manager/client_func.c
server-tools/instance-manager/Makefile.am:
  clien_func removed
server-tools/instance-manager/buffer.cc:
  several methods added
server-tools/instance-manager/buffer.h:
  Some error-handling fixes.
server-tools/instance-manager/commands.cc:
  check for Buffer errors
server-tools/instance-manager/guardian.cc:
  Guardian rewiriten. Not it works in a finite state machine-way.
server-tools/instance-manager/guardian.h:
  Appropriate (to .cc) changes in the header + some comment added
server-tools/instance-manager/instance.cc:
  added proxy thread to monitor instance. Two kinds of stop() now -- stop() and kill_instance which
  only sends a signal
server-tools/instance-manager/instance.h:
  appropriate changes
server-tools/instance-manager/instance_map.cc:
  cleanup
server-tools/instance-manager/instance_map.h:
  cleanup
server-tools/instance-manager/instance_options.cc:
  Caching of the pid-file-name is added. some comments added
server-tools/instance-manager/instance_options.h:
  cleanup
server-tools/instance-manager/listener.cc:
  listener my_thread_init added (though it doesn't use any mysys functions). Just in case
server-tools/instance-manager/manager.cc:
  SIGCHLD handler removed. now instance monitoring is implemented through proxy threads. This is to work nicely
  with LinuxThreads
server-tools/instance-manager/options.cc:
  added option to create a password file entry (this was implemented by Sergei Vojtovich)
server-tools/instance-manager/parse.cc:
  inline function get_word moved to the header
server-tools/instance-manager/parse.h:
  get_word moved here to use form parse_output
server-tools/instance-manager/parse_output.cc:
  get_word() clone removed. now looking through the output linewise
server-tools/instance-manager/protocol.cc:
  Buffer error chech added
server-tools/instance-manager/user_map.cc:
  typo fixed

1 files changed, 14 insertions, 2 deletions

diff --git a/server-tools/instance-manager/buffer.cc b/server-tools/instance-manager/buffer.cc
index ca84adbfd10..3a2a818e478 100644
--- a/server-tools/instance-manager/buffer.cc
+++ b/server-tools/instance-manager/buffer.cc
@@ -40,7 +40,7 @@
 
   RETURN
     0 - ok
-    1 - The buffer came to 16Mb barrier
+    1 - got an error in reserve()
 */
 
 int Buffer::append(uint position, const char *string, uint len_arg)
@@ -71,7 +71,7 @@ int Buffer::append(uint position, const char *string, uint len_arg)
 
   RETURN
     0 - ok
-    1 - The buffer came to 16Mb barrier
+    1 - realloc error or we have come to the 16Mb barrier
 */
 
 int Buffer::reserve(uint position, uint len_arg)
@@ -92,6 +92,18 @@ int Buffer::reserve(uint position, uint len_arg)
   return 0;
 
 err:
+  error= 1;
   return 1;
 }
 
+
+int Buffer::get_size()
+{
+  return buffer_size;
+}
+
+
+int Buffer::is_error()
+{
+  return error;
+}