Initial revision of NDB Cluster files

BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

ndb/include/portlib/NdbDaemon.h

@@ -0,0 +1,72 @@
+/* Copyright (C) 2003 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef NDB_DAEMON_H
+#define NDB_DAEMON_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Become a daemon.
+ * lockfile     the "pid file" or other resource to lock exclusively
+ * logfile      daemon output is directed here (input is set to /dev/null)
+ *              if NULL, output redirection is not done
+ * flags        none currently
+ * returns      0 on success, on error -1
+ */
+extern int
+NdbDaemon_Make(const char* lockfile, const char* logfile, unsigned flags);
+
+/*
+ * Test if the daemon is running (file is locked).
+ * lockfile     the "pid file"
+ * flags        none currently
+ * return       0 no, 1 yes, -1 
+ */
+extern int
+NdbDaemon_Test(const char* lockfile, unsigned flags);
+
+/*
+ * Kill the daemon.
+ * lockfile     the "pid file"
+ * flags        none currently
+ * return       0 killed, 1 not running, -1 other error
+ */
+extern int
+NdbDaemon_Kill(const char* lockfile, unsigned flags);
+
+/*
+ * Pid from last call, either forked off or found in lock file.
+ */
+extern long NdbDaemon_DaemonPid;
+
+/*
+ * Error code from last failed call.
+ */
+extern int NdbDaemon_ErrorCode;
+
+/*
+ * Error text from last failed call.
+ */
+extern char NdbDaemon_ErrorText[];
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif