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-rw-r--r--source4/smbd/process_model.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/source4/smbd/process_model.c b/source4/smbd/process_model.c
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+++ b/source4/smbd/process_model.c
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+/*
+ 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
+}