sl@0: /*
sl@0: * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0:  
sl@0: #include "lowmem.h"
sl@0: #include "glibbackend_wsd.h"
sl@0: #include <pthread.h>
sl@0: #include <stdlib.h>
sl@0: 
sl@0: #if EMULATOR
sl@0: 
sl@0: PLS(key,lowmem,pthread_key_t)
sl@0: PLS(key_once,lowmem,pthread_once_t)
sl@0: 
sl@0: #define key (*FUNCTION_NAME(key,lowmem )())
sl@0: #define key_once (*FUNCTION_NAME(key_once,lowmem )())
sl@0: 
sl@0: #else
sl@0: pthread_key_t key;
sl@0: pthread_once_t key_once = PTHREAD_ONCE_INIT;
sl@0: #endif /* EMULATOR */
sl@0: 
sl@0: static void make_key()
sl@0: {
sl@0: 	pthread_key_create(&key,NULL);
sl@0: }
sl@0: 
sl@0: EXPORT_C mem_info * get_thread_specific_data()
sl@0: {
sl@0: 	pthread_once(&key_once, make_key);
sl@0: 	return (mem_info *)pthread_getspecific(key);
sl@0: }
sl@0: 
sl@0: /* This function sets the thread specfic data which is of the type 	*
sl@0:  * struct mem_info.The function return 0 in case of success and a	*
sl@0:  * non zero value in case of failure.								*
sl@0:  */
sl@0: EXPORT_C int set_thread_specific_data(mem_info *m)
sl@0: {
sl@0: 	pthread_once(&key_once, make_key);
sl@0: 	if(pthread_setspecific(key,(void *)m))
sl@0: 	{
sl@0: 		return 1;
sl@0: 	}
sl@0: 	
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int push(cleanUpStack *cs,void *ptr)
sl@0: {
sl@0: 	if((*cs).top == 999)	
sl@0: 		return -1;
sl@0: 	else
sl@0: 		(*cs).ptr[++((*cs).top)] = ptr;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C void * pop(cleanUpStack *cs)
sl@0: {
sl@0: 	return (*cs).ptr[((*cs).top)--];
sl@0: }
sl@0: 
sl@0: EXPORT_C void clearCleanUpStack(cleanUpStack *cs)
sl@0: {
sl@0: 	(*cs).top = -1;
sl@0: }
sl@0: 
sl@0: EXPORT_C void destroyCleanUpStack(cleanUpStack *cs)
sl@0: {
sl@0: 	while((*cs).top != -1)
sl@0: 	{
sl@0: 		free((*cs).ptr[((*cs).top)--]);
sl@0: 	}
sl@0: }
sl@0: 
sl@0: 
sl@0: EXPORT_C void findAndDestroy(cleanUpStack *cs,void *ptr)
sl@0: {
sl@0: 	int i;
sl@0: 	for(i = 0; i < (*cs).top ; i++ )
sl@0: 	{
sl@0: 		if((*cs).ptr[i] == ptr)
sl@0: 		{
sl@0: 			(*cs).ptr[i] = NULL;
sl@0: 			break;
sl@0: 		}
sl@0: 	}
sl@0: }