| 1127 | |
| 1128 | |
| 1129 | static Shadow* allocate_shadow(jrd_file* shadow_file, |
| 1130 | USHORT shadow_number, USHORT file_flags) |
| 1131 | { |
| 1132 | /************************************** |
| 1133 | * |
| 1134 | * a l l o c a t e _ s h a d o w |
| 1135 | * |
| 1136 | ************************************** |
| 1137 | * |
| 1138 | * Functional description |
| 1139 | * Allocate a shadow block, setting all |
| 1140 | * the fields properly. |
| 1141 | * |
| 1142 | **************************************/ |
| 1143 | Database* dbb = GET_DBB(); |
| 1144 | |
| 1145 | Shadow* shadow = FB_NEW_POOL(*dbb->dbb_permanent) Shadow(); |
| 1146 | shadow->sdw_file = shadow_file; |
| 1147 | shadow->sdw_number = shadow_number; |
| 1148 | if (file_flags & FILE_manual) |
| 1149 | shadow->sdw_flags |= SDW_manual; |
| 1150 | if (file_flags & FILE_conditional) |
| 1151 | shadow->sdw_flags |= SDW_conditional; |
| 1152 | |
| 1153 | // Link the new shadow into the list of shadows according to |
| 1154 | // shadow number position. This is so we will activate |
| 1155 | // conditional shadows in the order specified by shadow number. |
| 1156 | // Note that the shadow number may not be unique in this list |
| 1157 | // - as could happen when shadow X is dropped, and then X is |
| 1158 | // recreated. |
| 1159 | |
| 1160 | Shadow** pShadow; |
| 1161 | for (pShadow = &dbb->dbb_shadow; *pShadow; pShadow = &((*pShadow)->sdw_next)) |
| 1162 | { |
| 1163 | if ((*pShadow)->sdw_number >=shadow_number) |
| 1164 | break; |
| 1165 | } |
| 1166 | |
| 1167 | shadow->sdw_next = *pShadow; |
| 1168 | *pShadow = shadow; |
| 1169 | |
| 1170 | return shadow; |
| 1171 | } |
| 1172 | |
| 1173 | |
| 1174 | static int blocking_ast_shadowing(void* ast_object) |