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/* 
   Unix SMB/CIFS implementation.
   Samba mutex/lock functions
   Copyright (C) Andrew Tridgell 2003
   Copyright (C) James J Myers 2003
   
   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"
#include "mutex.h"

/**
 * @file
 * @brief Mutex utility functions
 */
	 
/* the registered mutex handlers */
static struct {
	const char *name;
	struct mutex_ops ops;
} mutex_handlers;

/* read/write lock routines */


/**
  register a set of mutex/rwlock handlers. 
  Should only be called once in the execution of smbd.
*/
_PUBLIC_ BOOL register_mutex_handlers(const char *name, struct mutex_ops *ops)
{
	if (mutex_handlers.name != NULL) {
		/* it's already registered! */
		DEBUG(2,("mutex handler '%s' already registered - failed '%s'\n", 
			 mutex_handlers.name, name));
		return False;
	}

	mutex_handlers.name = name;
	mutex_handlers.ops = *ops;

	DEBUG(2,("mutex handler '%s' registered\n", name));
	return True;
}

struct IUnknown **iun) { *iun = d; return WERR_OK; } static uint32_t simple_IUnknown_AddRef (struct IUnknown *d, TALLOC_CTX *mem_ctx) { return 1; } static uint32_t simple_IUnknown_Release (struct IUnknown *d, TALLOC_CTX *mem_ctx) { return 1; } static WERROR simple_IStream_Read (struct IStream *d, TALLOC_CTX *mem_ctx, uint8_t *pv, uint32_t num_requested, uint32_t *num_readx, uint32_t num_read) { printf("%d bytes are being read\n", num_read); return WERR_OK; } static WERROR simple_IStream_Write (struct IStream *d, TALLOC_CTX *mem_ctx, uint8_t *data, uint32_t num_requested, uint32_t num_written) { printf("%d bytes are being written\n", num_requested); return WERR_OK; } static WERROR simpleclass_IUnknown_QueryInterface (struct IUnknown *d, TALLOC_CTX *mem_ctx, struct GUID *iid, struct IUnknown **iun) { /* FIXME: Return WERR_IFACE_NOT_SUPPORTED if IID != IID_IUNKNOWN and IID != IID_CLASSFACTORY */ *iun = d; return WERR_OK; } static WERROR simpleclass_IClassFactory_CreateInstance (struct IClassFactory *d, TALLOC_CTX *mem_ctx, struct IUnknown *iunk, struct GUID *iid, struct IUnknown **ppv) { struct IStream *ret; /* FIXME: Check whether IID == ISTREAM_IID */ ret = talloc(mem_ctx, struct IStream); ret->ctx = NULL; ret->vtable = &simple_IStream_vtable; ret->object_data = NULL; *ppv = (struct IUnknown *)ret; return WERR_OK; } static uint32_t simpleclass_IUnknown_AddRef (struct IUnknown *d, TALLOC_CTX *mem_ctx) { return 1; } static uint32_t simpleclass_IUnknown_Release (struct IUnknown *d, TALLOC_CTX *mem_ctx) { return 1; } /* Everything below this line should be autogenerated later on */ static struct IClassFactory_vtable simple_classobject_vtable = { { 0, 0, 0, { 0, 0 }, { 0, 0, 0, 0, 0, 0 } }, simpleclass_IUnknown_QueryInterface, simpleclass_IUnknown_AddRef, simpleclass_IUnknown_Release, simpleclass_IClassFactory_CreateInstance, NULL, NULL, NULL }; static struct IStream_vtable simple_IStream_vtable = { { 0, 0, 0, { 0, 0 }, { 0, 0, 0, 0, 0, 0 } }, simple_IUnknown_QueryInterface, simple_IUnknown_AddRef, simple_IUnknown_Release, simple_IStream_Read, simple_IStream_Write }; NTSTATUS com_simple_init(void) { struct GUID clsid; struct IUnknown *class_object = talloc(talloc_autofree_context(), struct IUnknown); class_object->ctx = NULL; class_object->object_data = NULL; class_object->vtable = (struct IUnknown_vtable *)&simple_classobject_vtable; GUID_from_string(CLSID_SIMPLE, &clsid); GUID_from_string(COM_ICLASSFACTORY_UUID, &simple_classobject_vtable.iid); GUID_from_string(COM_ISTREAM_UUID, &simple_IStream_vtable.iid); return com_register_running_class(&clsid, PROGID_SIMPLE, class_object); }