first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 85 insertions, 0 deletions

diff --git a/source4/smbd/process_model.c b/source4/smbd/process_model.c
new file mode 100644
index 0000000000..06127d1364
--- /dev/null
+++ b/source4/smbd/process_model.c
@@ -0,0 +1,85 @@
+/* 
+   Unix SMB/CIFS implementation.
+   process model manager - main loop
+   Copyright (C) Andrew Tridgell 1992-2003
+   Copyright (C) James J Myers 2003 <myersjj@samba.org>
+   
+   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+
+/* the list of currently registered process models */
+static struct {
+	const char *name;
+	struct model_ops *ops;
+} *models = NULL;
+static int num_models;
+
+/*
+  register a process model. 
+
+  The 'name' can be later used by other backends to find the operations
+  structure for this backend.  
+*/
+BOOL register_process_model(const char *name, struct model_ops *ops)
+{
+	if (process_model_byname(name) != NULL) {
+		/* its already registered! */
+		DEBUG(2,("process_model '%s' already registered\n", 
+			 name));
+		return False;
+	}
+
+	models = Realloc(models, sizeof(models[0]) * (num_models+1));
+	if (!models) {
+		smb_panic("out of memory in register_process_model");
+	}
+
+	models[num_models].name = smb_xstrdup(name);
+	models[num_models].ops = smb_xmemdup(ops, sizeof(*ops));
+
+	num_models++;
+
+	return True;
+}
+
+/*
+  return the operations structure for a named backend of the specified type
+*/
+struct model_ops *process_model_byname(const char *name)
+{
+	int i;
+
+	for (i=0;i<num_models;i++) {
+		if (strcmp(models[i].name, name) == 0) {
+			return models[i].ops;
+		}
+	}
+
+	return NULL;
+}
+
+
+/* initialise the builtin process models */
+void process_model_init(void)
+{
+	process_model_standard_init();
+	process_model_single_init();
+#ifdef WITH_PTHREADS
+	process_model_thread_init();
+#endif
+}