Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib-storage/index/index-storage.h @ 6275:913b188f4dd4 HEAD

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Removed explicit locking from views and maps. They were already locked all the time when they were used. Because of this change several functions can no longer fail, so they were changed to return void, and a lot of pointless error handling was removed.
author Timo Sirainen <tss@iki.fi>
date Sun, 12 Aug 2007 16:43:05 +0300
parents 3a1eed408cad
children f52e7d1402b5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #ifndef __INDEX_STORAGE_H
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2 #define __INDEX_STORAGE_H
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3
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4 #include "file-dotlock.h"
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5 #include "mail-storage-private.h"
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6 #include "mail-index-private.h"
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7
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8 /* Max. mmap()ed size for a message */
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9 #define MAIL_MMAP_BLOCK_SIZE (1024*256)
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10 /* Block size when read()ing message. */
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11 #define MAIL_READ_BLOCK_SIZE (1024*8)
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12
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13 #define MAILBOX_FULL_SYNC_INTERVAL 5
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14
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15 enum mailbox_lock_notify_type {
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16 MAILBOX_LOCK_NOTIFY_NONE,
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17
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18 /* Mailbox is locked, will abort in secs_left */
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19 MAILBOX_LOCK_NOTIFY_MAILBOX_ABORT,
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20 /* Mailbox lock looks stale, will override in secs_left */
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21 MAILBOX_LOCK_NOTIFY_MAILBOX_OVERRIDE
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22 };
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23
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24 struct index_mailbox {
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25 struct mailbox box;
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26 union mail_index_view_module_context view_module_ctx;
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27
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28 struct mail_storage *storage;
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29 enum mailbox_open_flags open_flags;
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30
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31 struct mail_index *index;
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32 struct mail_index_view *view;
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33 struct mail_cache *cache;
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34 struct mail_vfuncs *mail_vfuncs;
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35
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36 uint32_t md5hdr_ext_idx;
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37
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38 struct timeout *notify_to;
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39 struct index_notify_file *notify_files;
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40 struct index_notify_io *notify_ios;
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41 time_t notify_last_check, notify_last_sent;
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42
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43 time_t next_lock_notify; /* temporary */
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44 enum mailbox_lock_notify_type last_notify_type;
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45
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46 uint32_t commit_log_file_seq;
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47 uoff_t commit_log_file_offset;
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48
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49 const ARRAY_TYPE(keywords) *keyword_names;
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50 struct mail_cache_field *cache_fields;
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51 unsigned int mail_cache_min_mail_count;
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52
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53 ARRAY_TYPE(seq_range) recent_flags;
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54 uint32_t recent_flags_prev_uid;
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55 uint32_t recent_flags_count;
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56
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57 time_t sync_last_check;
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58
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59 unsigned int readonly:1;
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60 unsigned int keep_recent:1;
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61 unsigned int keep_locked:1;
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62 unsigned int sent_diskspace_warning:1;
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63 unsigned int sent_readonly_flags_warning:1;
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64 unsigned int notify_pending:1;
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65 unsigned int move_to_memory:1;
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66 unsigned int fsync_disable:1;
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67 unsigned int mailbox_deleted:1;
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68 };
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69
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70 struct index_transaction_context {
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71 struct mailbox_transaction_context mailbox_ctx;
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72 struct mail_index_transaction_vfuncs super;
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73
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74 struct index_mailbox *ibox;
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75 enum mailbox_transaction_flags flags;
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76 enum mailbox_sync_flags commit_flags;
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77
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78 struct mail_index_transaction *trans;
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79 struct mail_index_view *trans_view;
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80 struct mail_cache_view *cache_view;
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81 struct mail_cache_transaction_ctx *cache_trans;
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82
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83 uint32_t *saved_uid_validity;
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9805becea644 Fixed mailbox_transaction_commit_get_uids() to actually work and not just
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84 uint32_t *first_saved_uid, *last_saved_uid;
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85
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86 unsigned int cache_trans_failed:1;
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87 };
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88
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89 void mail_storage_set_index_error(struct index_mailbox *ibox);
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91 void index_storage_lock_notify(struct index_mailbox *ibox,
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92 enum mailbox_lock_notify_type notify_type,
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93 unsigned int secs_left);
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94 void index_storage_lock_notify_reset(struct index_mailbox *ibox);
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95
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96 struct mail_index *
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5ea33dbddbae Moved index directory creation code to index_storage_alloc().
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97 index_storage_alloc(struct mail_storage *storage, const char *name,
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98 enum mailbox_open_flags flags, const char *prefix);
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99 void index_storage_unref(struct mail_index *index);
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100 void index_storage_destroy_unrefed(void);
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101
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102 void index_storage_mailbox_init(struct index_mailbox *ibox, const char *name,
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103 enum mailbox_open_flags flags,
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104 bool move_to_memory);
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105 void index_storage_mailbox_open(struct index_mailbox *ibox);
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106 int index_storage_mailbox_close(struct mailbox *box);
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107
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108 bool index_storage_is_readonly(struct mailbox *box);
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109 bool index_storage_allow_new_keywords(struct mailbox *box);
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110 bool index_storage_is_inconsistent(struct mailbox *box);
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111
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112 struct mail_keywords *
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113 index_keywords_create(struct mailbox_transaction_context *t,
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114 const char *const keywords[]);
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115 void index_keywords_free(struct mailbox_transaction_context *t,
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116 struct mail_keywords *keywords);
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117
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118 void index_mailbox_set_recent_uid(struct index_mailbox *ibox, uint32_t uid);
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119 void index_mailbox_set_recent_seq(struct index_mailbox *ibox,
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120 struct mail_index_view *view,
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121 uint32_t seq1, uint32_t seq2);
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122 bool index_mailbox_is_recent(struct index_mailbox *ibox, uint32_t uid);
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cadb5b7cd919 Fixes to recent handling. Now it should work properly.
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123 unsigned int index_mailbox_get_recent_count(struct index_mailbox *ibox);
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ba058497efa9 Send RECENT after all EXISTS replies. Check for new mail in mailbox after
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124
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8480f945e270 IDLE uses now IO_*_NOTIFY to get instant notifying of mails.
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125 void index_mailbox_check_add(struct index_mailbox *ibox,
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a9be1824403b New inotify code and notify API change. Patch by Johannes Berg
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126 const char *path);
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127 void index_mailbox_check_remove_all(struct index_mailbox *ibox);
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128
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129 struct mailbox_sync_context *
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130 index_mailbox_sync_init(struct mailbox *box, enum mailbox_sync_flags flags,
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131 bool failed);
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132 int index_mailbox_sync_next(struct mailbox_sync_context *ctx,
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133 struct mailbox_sync_rec *sync_rec_r);
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134 int index_mailbox_sync_deinit(struct mailbox_sync_context *ctx,
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135 enum mailbox_status_items status_items,
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136 struct mailbox_status *status_r);
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137
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138 int index_storage_sync(struct mailbox *box, enum mailbox_sync_flags flags);
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139
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140 void index_storage_get_status(struct mailbox *box,
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141 enum mailbox_status_items items,
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142 struct mailbox_status *status_r);
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143 void index_storage_get_uids(struct mailbox *box, uint32_t uid1, uint32_t uid2,
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144 uint32_t *seq1_r, uint32_t *seq2_r);
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145
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146 struct mailbox_header_lookup_ctx *
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147 index_header_lookup_init(struct mailbox *box, const char *const headers[]);
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148 void index_header_lookup_deinit(struct mailbox_header_lookup_ctx *ctx);
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149
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150 struct mail_search_context *
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151 index_storage_search_init(struct mailbox_transaction_context *t,
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152 const char *charset, struct mail_search_arg *args,
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153 const enum mail_sort_type *sort_program);
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154 int index_storage_search_deinit(struct mail_search_context *ctx);
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155 int index_storage_search_next(struct mail_search_context *ctx,
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156 struct mail *mail);
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157 int index_storage_search_next_nonblock(struct mail_search_context *ctx,
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158 struct mail *mail, bool *tryagain_r);
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159 int index_storage_search_next_update_seq(struct mail_search_context *ctx);
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160
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161 void index_transaction_init(struct index_transaction_context *t,
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162 struct index_mailbox *ibox);
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163 int index_transaction_finish_commit(struct index_transaction_context *t,
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164 uint32_t *log_file_seq_r,
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165 uoff_t *log_file_offset_r);
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166 void index_transaction_finish_rollback(struct index_transaction_context *t);
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167
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168 struct mailbox_transaction_context *
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169 index_transaction_begin(struct mailbox *box,
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170 enum mailbox_transaction_flags flags);
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171 int index_transaction_commit(struct mailbox_transaction_context *t,
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172 enum mailbox_sync_flags flags,
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173 uint32_t *uid_validity_r,
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174 uint32_t *first_saved_uid_r,
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175 uint32_t *last_saved_uid_r);
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176 void index_transaction_rollback(struct mailbox_transaction_context *t);
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177
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178 bool index_keyword_array_cmp(const ARRAY_TYPE(keyword_indexes) *k1,
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179 const ARRAY_TYPE(keyword_indexes) *k2);
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180
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181 #endif