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@ -197,7 +197,9 @@ struct fieldinfo { |
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#error |
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#endif |
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void print_struct (const char *structname, int need_internal, struct fieldinfo *fields32, struct fieldinfo *fields64, unsigned int N, const char *extra_decls[]) { |
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enum need_internal_type { NO_INTERNAL=0, INTERNAL_NAMED=1, INTERNAL_AT_END=2}; |
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void print_struct (const char *structname, enum need_internal_type need_internal, struct fieldinfo *fields32, struct fieldinfo *fields64, unsigned int N, const char *extra_decls[]) { |
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unsigned int i; |
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unsigned int current_32 = 0; |
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unsigned int current_64 = 0; |
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@ -205,6 +207,7 @@ void print_struct (const char *structname, int need_internal, struct fieldinfo * |
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int did_toku_internal=0; |
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// int total32 = fields32[N-1].size; |
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// int total64 = fields32[N-1].size; |
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assert(need_internal==NO_INTERNAL || need_internal==INTERNAL_NAMED || need_internal==INTERNAL_AT_END); |
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printf("struct __toku_%s {\n", structname); |
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for (i=0; i<N-1; i++) { |
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unsigned int this_32 = fields32[i].off; |
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@ -217,7 +220,7 @@ void print_struct (const char *structname, int need_internal, struct fieldinfo * |
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if (diff32!=diff64) { |
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unsigned int diff = diff64-diff32; |
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unsigned int n_dummys = diff/4; |
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if (need_internal && !did_toku_internal) { |
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if (need_internal==INTERNAL_NAMED && !did_toku_internal) { |
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if (TDB_NATIVE && |
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(strcmp(structname, "dbc")==0 || |
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strcmp(structname, "db_txn")==0)) { |
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@ -295,6 +298,11 @@ void print_struct (const char *structname, int need_internal, struct fieldinfo * |
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printf(" /* %d more bytes of alignment in the 64-bit case. */\n", diff64); |
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assert(diff64<8); /* there could be a few left from alignment. */ |
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} |
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if (need_internal==INTERNAL_AT_END) { |
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printf(" char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));\n"); |
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printf("#define %s_struct_i(x) ((struct __toku_%s_internal *)(&(x)->iic))\n", structname, structname); |
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did_toku_internal = 1; |
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} |
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printf("};\n"); |
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assert(did_toku_internal || !need_internal); |
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} |
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@ -354,6 +362,8 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un |
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printf("#include <tdb-internal.h>\n"); |
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printf("#ifndef __BIGGEST_ALIGNMENT__\n #define __BIGGEST_ALIGNMENT__ 16\n#endif\n"); |
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//stat64 |
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printf("typedef struct __toku_db_btree_stat64 {\n"); |
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printf(" u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened) */\n"); |
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@ -486,7 +496,7 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un |
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"struct { void *next, *prev; } open_txns", |
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NULL, |
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}; |
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print_struct("db_txn", 1, db_txn_fields32, db_txn_fields64, sizeof(db_txn_fields32)/sizeof(db_txn_fields32[0]), extra); |
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print_struct("db_txn", INTERNAL_AT_END, db_txn_fields32, db_txn_fields64, sizeof(db_txn_fields32)/sizeof(db_txn_fields32[0]), extra); |
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} |
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assert(sizeof(db_txn_stat_fields32)==sizeof(db_txn_stat_fields64)); |
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@ -515,7 +525,7 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un |
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"int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *)", |
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NULL}; |
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assert(sizeof(dbc_fields32)==sizeof(dbc_fields64)); |
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print_struct("dbc", 1, dbc_fields32, dbc_fields64, sizeof(dbc_fields32)/sizeof(dbc_fields32[0]), extra); |
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print_struct("dbc", INTERNAL_AT_END, dbc_fields32, dbc_fields64, sizeof(dbc_fields32)/sizeof(dbc_fields32[0]), extra); |
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} |
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printf("#ifdef _TOKUDB_WRAP_H\n#define txn_begin txn_begin_tokudb\n#endif\n"); |
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Bradley C. Kuszmaul
13 years ago
Yoni Fogel