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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include "lowmem.h" |
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21 #include "glibbackend_wsd.h" |
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22 #include <pthread.h> |
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23 #include <stdlib.h> |
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24 |
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25 #if EMULATOR |
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26 |
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27 PLS(key,lowmem,pthread_key_t) |
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28 PLS(key_once,lowmem,pthread_once_t) |
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29 |
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30 #define key (*FUNCTION_NAME(key,lowmem )()) |
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31 #define key_once (*FUNCTION_NAME(key_once,lowmem )()) |
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32 |
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33 #else |
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34 pthread_key_t key; |
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35 pthread_once_t key_once = PTHREAD_ONCE_INIT; |
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36 #endif /* EMULATOR */ |
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37 |
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38 static void make_key() |
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39 { |
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40 pthread_key_create(&key,NULL); |
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41 } |
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42 |
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43 EXPORT_C mem_info * get_thread_specific_data() |
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44 { |
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45 pthread_once(&key_once, make_key); |
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46 return (mem_info *)pthread_getspecific(key); |
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47 } |
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48 |
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49 /* This function sets the thread specfic data which is of the type * |
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50 * struct mem_info.The function return 0 in case of success and a * |
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51 * non zero value in case of failure. * |
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52 */ |
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53 EXPORT_C int set_thread_specific_data(mem_info *m) |
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54 { |
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55 pthread_once(&key_once, make_key); |
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56 if(pthread_setspecific(key,(void *)m)) |
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57 { |
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58 return 1; |
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59 } |
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60 |
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61 return 0; |
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62 } |
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63 |
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64 EXPORT_C int push(cleanUpStack *cs,void *ptr) |
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65 { |
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66 if((*cs).top == 999) |
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67 return -1; |
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68 else |
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69 (*cs).ptr[++((*cs).top)] = ptr; |
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70 return 0; |
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71 } |
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72 |
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73 EXPORT_C void * pop(cleanUpStack *cs) |
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74 { |
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75 return (*cs).ptr[((*cs).top)--]; |
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76 } |
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77 |
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78 EXPORT_C void clearCleanUpStack(cleanUpStack *cs) |
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79 { |
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80 (*cs).top = -1; |
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81 } |
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82 |
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83 EXPORT_C void destroyCleanUpStack(cleanUpStack *cs) |
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84 { |
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85 while((*cs).top != -1) |
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86 { |
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87 free((*cs).ptr[((*cs).top)--]); |
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88 } |
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89 } |
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90 |
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91 |
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92 EXPORT_C void findAndDestroy(cleanUpStack *cs,void *ptr) |
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93 { |
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94 int i; |
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95 for(i = 0; i < (*cs).top ; i++ ) |
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96 { |
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97 if((*cs).ptr[i] == ptr) |
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98 { |
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99 (*cs).ptr[i] = NULL; |
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100 break; |
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101 } |
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102 } |
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103 } |