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Comparing BDB/BDB.xs (file contents):
Revision 1.53 by root, Thu Sep 25 22:09:02 2008 UTC vs.
Revision 1.56 by root, Mon Sep 29 02:59:08 2008 UTC

1#include <sys/user.h>
2#include <sys/ptrace.h>
3
4#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4 1#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5 2
6#include "xthread.h" 3#include "xthread.h"
7 4
8#include <errno.h> 5#include <errno.h>
39#endif 36#endif
40 37
41/* number of seconds after which idle threads exit */ 38/* number of seconds after which idle threads exit */
42#define IDLE_TIMEOUT 10 39#define IDLE_TIMEOUT 10
43 40
41typedef SV SV_mutable;
42
44typedef DB_ENV DB_ENV_ornull; 43typedef DB_ENV DB_ENV_ornull;
45typedef DB_TXN DB_TXN_ornull; 44typedef DB_TXN DB_TXN_ornull;
46typedef DBC DBC_ornull; 45typedef DBC DBC_ornull;
47typedef DB DB_ornull; 46typedef DB DB_ornull;
48 47
135dbt_to_sv (SV *sv, DBT *dbt) 134dbt_to_sv (SV *sv, DBT *dbt)
136{ 135{
137 if (sv) 136 if (sv)
138 { 137 {
139 SvREADONLY_off (sv); 138 SvREADONLY_off (sv);
140 sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef); 139
140 if (dbt->data)
141 sv_setpvn_mg (sv, dbt->data, dbt->size);
142 else
143 sv_setsv_mg (sv, &PL_sv_undef);
144
141 SvREFCNT_dec (sv); 145 SvREFCNT_dec (sv);
142 } 146 }
143 147
144 //assert (dbt->flags & DBT_MALLOC || !dbt->data);
145 free (dbt->data); 148 free (dbt->data);
146} 149}
147 150
148enum { 151enum {
149 REQ_QUIT, 152 REQ_QUIT,
359 SvREFCNT_dec (req->sv1); 362 SvREFCNT_dec (req->sv1);
360 break; 363 break;
361 364
362 case REQ_DB_GET: 365 case REQ_DB_GET:
363 case REQ_DB_PGET: 366 case REQ_DB_PGET:
364 dbt_to_sv (req->sv3, &req->dbt3);
365 break;
366
367 case REQ_C_GET: 367 case REQ_C_GET:
368 case REQ_C_PGET: 368 case REQ_C_PGET:
369 case REQ_DB_PUT:
370 case REQ_C_PUT:
369 dbt_to_sv (req->sv1, &req->dbt1); 371 dbt_to_sv (req->sv1, &req->dbt1);
370 dbt_to_sv (req->sv2, &req->dbt2); 372 dbt_to_sv (req->sv2, &req->dbt2);
371 dbt_to_sv (req->sv3, &req->dbt3); 373 dbt_to_sv (req->sv3, &req->dbt3);
372 break;
373
374 case REQ_DB_PUT:
375 case REQ_C_PUT:
376 dbt_to_sv (0, &req->dbt1);
377 dbt_to_sv (0, &req->dbt2);
378 break; 374 break;
379 375
380 case REQ_DB_KEY_RANGE: 376 case REQ_DB_KEY_RANGE:
381 { 377 {
382 AV *av = newAV (); 378 AV *av = newAV ();
555 PUTBACK; 551 PUTBACK;
556 count = call_sv (prepare_cb, G_ARRAY); 552 count = call_sv (prepare_cb, G_ARRAY);
557 SPAGAIN; 553 SPAGAIN;
558 554
559 if (count != 2) 555 if (count != 2)
560 croak ("prepare callback must return exactly two values\n"); 556 croak ("sync prepare callback must return exactly two values\n");
561 557
562 wait_callback = POPs; 558 wait_callback = POPs;
563 req->callback = SvREFCNT_inc (POPs); 559 req->callback = SvREFCNT_inc (POPs);
564 } 560 }
565 else 561 else
1050 } \ 1046 } \
1051 else if (sv_derived_from ((arg), # class)) \ 1047 else if (sv_derived_from ((arg), # class)) \
1052 { \ 1048 { \
1053 IV tmp = SvIV ((SV*) SvRV (arg)); \ 1049 IV tmp = SvIV ((SV*) SvRV (arg)); \
1054 (var) = INT2PTR (type, tmp); \ 1050 (var) = INT2PTR (type, tmp); \
1055 if (!var && nullok != 2) \ 1051 if (!var && nullok != 2) \
1056 croak (# var " is not a valid " # class " object anymore"); \ 1052 croak (# var " is not a valid " # class " object anymore"); \
1057 } \ 1053 } \
1058 else \ 1054 else \
1059 croak (# var " is not of type " # class); 1055 croak (# var " is not of type " # class);
1056
1057#define ARG_MUTABLE(name) \
1058 if (SvREADONLY (name)) \
1059 croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1060 1060
1061static void 1061static void
1062ptr_nuke (SV *sv) 1062ptr_nuke (SV *sv)
1063{ 1063{
1064 assert (SvROK (sv)); 1064 assert (SvROK (sv));
1550db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0) 1550db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1551 PREINIT: 1551 PREINIT:
1552 CALLBACK 1552 CALLBACK
1553 CODE: 1553 CODE:
1554{ 1554{
1555 dREQ (REQ_ENV_CLOSE, 1); 1555 dREQ (REQ_ENV_CLOSE, 0);
1556 ptr_nuke (ST (0));
1556 req->env = env; 1557 req->env = env;
1557 req->uint1 = flags; 1558 req->uint1 = flags;
1558 REQ_SEND; 1559 REQ_SEND;
1559 ptr_nuke (ST (0));
1560} 1560}
1561 1561
1562void 1562void
1563db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0) 1563db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1564 PREINIT: 1564 PREINIT:
1674db_close (DB *db, U32 flags = 0, SV *callback = 0) 1674db_close (DB *db, U32 flags = 0, SV *callback = 0)
1675 PREINIT: 1675 PREINIT:
1676 CALLBACK 1676 CALLBACK
1677 CODE: 1677 CODE:
1678{ 1678{
1679 dREQ (REQ_DB_CLOSE, 1); 1679 dREQ (REQ_DB_CLOSE, 0);
1680 ptr_nuke (ST (0));
1680 req->db = db; 1681 req->db = db;
1681 req->uint1 = flags; 1682 req->uint1 = flags;
1682 req->sv1 = (SV *)db->app_private; 1683 req->sv1 = (SV *)db->app_private;
1683 REQ_SEND; 1684 REQ_SEND;
1684 ptr_nuke (ST (0));
1685} 1685}
1686 1686
1687#if DB_VERSION_MINOR >= 4 1687#if DB_VERSION_MINOR >= 4
1688 1688
1689void 1689void
1727 req->uint1 = flags; 1727 req->uint1 = flags;
1728 REQ_SEND; 1728 REQ_SEND;
1729} 1729}
1730 1730
1731void 1731void
1732db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0) 1732db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1733 PREINIT: 1733 PREINIT:
1734 CALLBACK 1734 CALLBACK
1735 CODE: 1735 CODE:
1736{ 1736{
1737 dREQ (REQ_DB_KEY_RANGE, 2); 1737 dREQ (REQ_DB_KEY_RANGE, 2);
1775} 1775}
1776 1776
1777#endif 1777#endif
1778 1778
1779void 1779void
1780db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0) 1780db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1781 PREINIT: 1781 PREINIT:
1782 CALLBACK 1782 CALLBACK
1783 CODE: 1783 CODE:
1784 if (SvREADONLY (data))
1785 croak ("can't modify read-only data scalar in db_get");
1786{ 1784{
1785 //TODO: key is somtimesmutable
1787 dREQ (REQ_DB_GET, 2); 1786 dREQ (REQ_DB_GET, 2);
1788 req->db = db; 1787 req->db = db;
1789 req->txn = txn; 1788 req->txn = txn;
1790 req->uint1 = flags; 1789 req->uint1 = flags;
1791 sv_to_dbt (&req->dbt1, key); 1790 sv_to_dbt (&req->dbt1, key);
1793 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); 1792 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1794 REQ_SEND; 1793 REQ_SEND;
1795} 1794}
1796 1795
1797void 1796void
1798db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0) 1797db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1799 PREINIT: 1798 PREINIT:
1800 CALLBACK 1799 CALLBACK
1801 CODE: 1800 CODE:
1802 if (SvREADONLY (data))
1803 croak ("can't modify read-only data scalar in db_pget");
1804{ 1801{
1802 //TODO: key is somtimesmutable
1805 dREQ (REQ_DB_PGET, 2); 1803 dREQ (REQ_DB_PGET, 2);
1806 req->db = db; 1804 req->db = db;
1807 req->txn = txn; 1805 req->txn = txn;
1808 req->uint1 = flags; 1806 req->uint1 = flags;
1807
1809 sv_to_dbt (&req->dbt1, key); 1808 sv_to_dbt (&req->dbt1, key);
1810 sv_to_dbt (&req->dbt2, pkey); 1809
1810 req->dbt2.flags = DB_DBT_MALLOC;
1811 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1812
1811 req->dbt3.flags = DB_DBT_MALLOC; 1813 req->dbt3.flags = DB_DBT_MALLOC;
1812 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); 1814 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1813 REQ_SEND; 1815 REQ_SEND;
1814} 1816}
1815 1817
1831db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0) 1833db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1832 PREINIT: 1834 PREINIT:
1833 CALLBACK 1835 CALLBACK
1834 CODE: 1836 CODE:
1835{ 1837{
1836 dREQ (REQ_TXN_COMMIT, 1); 1838 dREQ (REQ_TXN_COMMIT, 0);
1839 ptr_nuke (ST (0));
1837 req->txn = txn; 1840 req->txn = txn;
1838 req->uint1 = flags; 1841 req->uint1 = flags;
1839 REQ_SEND; 1842 REQ_SEND;
1843}
1844
1845void
1846db_txn_abort (DB_TXN *txn, SV *callback = 0)
1847 PREINIT:
1848 CALLBACK
1849 CODE:
1850{
1851 dREQ (REQ_TXN_ABORT, 0);
1840 ptr_nuke (ST (0)); 1852 ptr_nuke (ST (0));
1841}
1842
1843void
1844db_txn_abort (DB_TXN *txn, SV *callback = 0)
1845 PREINIT:
1846 CALLBACK
1847 CODE:
1848{
1849 dREQ (REQ_TXN_ABORT, 1);
1850 req->txn = txn; 1853 req->txn = txn;
1851 REQ_SEND; 1854 REQ_SEND;
1855}
1856
1857void
1858db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1859 PREINIT:
1860 CALLBACK
1861 CODE:
1862{
1863 dREQ (REQ_TXN_FINISH, 0);
1852 ptr_nuke (ST (0)); 1864 ptr_nuke (ST (0));
1853}
1854
1855void
1856db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1857 PREINIT:
1858 CALLBACK
1859 CODE:
1860{
1861 dREQ (REQ_TXN_FINISH, 1);
1862 req->txn = txn; 1865 req->txn = txn;
1863 req->uint1 = flags; 1866 req->uint1 = flags;
1864 REQ_SEND; 1867 REQ_SEND;
1868}
1869
1870void
1871db_c_close (DBC *dbc, SV *callback = 0)
1872 PREINIT:
1873 CALLBACK
1874 CODE:
1875{
1876 dREQ (REQ_C_CLOSE, 0);
1865 ptr_nuke (ST (0)); 1877 ptr_nuke (ST (0));
1866}
1867
1868void
1869db_c_close (DBC *dbc, SV *callback = 0)
1870 PREINIT:
1871 CALLBACK
1872 CODE:
1873{
1874 dREQ (REQ_C_CLOSE, 1);
1875 req->dbc = dbc; 1878 req->dbc = dbc;
1876 REQ_SEND; 1879 REQ_SEND;
1877 ptr_nuke (ST (0));
1878} 1880}
1879 1881
1880void 1882void
1881db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0) 1883db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1882 PREINIT: 1884 PREINIT:
1902 req->uint1 = flags; 1904 req->uint1 = flags;
1903 REQ_SEND; 1905 REQ_SEND;
1904} 1906}
1905 1907
1906void 1908void
1907db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0) 1909db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1908 PREINIT: 1910 PREINIT:
1909 CALLBACK 1911 CALLBACK
1910 CODE: 1912 CODE:
1911{ 1913{
1914 if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
1915 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
1916
1912 dREQ (REQ_C_GET, 1); 1917 dREQ (REQ_C_GET, 1);
1913 req->dbc = dbc; 1918 req->dbc = dbc;
1914 req->uint1 = flags; 1919 req->uint1 = flags;
1915 if ((flags & DB_SET) == DB_SET 1920 if (flags & DB_OPFLAGS_MASK == DB_SET)
1916 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1917 sv_to_dbt (&req->dbt1, key); 1921 sv_to_dbt (&req->dbt1, key);
1918 else 1922 else
1923 {
1924 if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
1925 sv_to_dbt (&req->dbt1, key);
1926 else
1919 req->dbt1.flags = DB_DBT_MALLOC; 1927 req->dbt1.flags = DB_DBT_MALLOC;
1920 1928
1921 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); 1929 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1930 }
1922 1931
1923 if ((flags & DB_GET_BOTH) == DB_GET_BOTH 1932 if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1924 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) 1933 || flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1925 sv_to_dbt (&req->dbt3, data); 1934 sv_to_dbt (&req->dbt3, data);
1926 else 1935 else
1927 req->dbt3.flags = DB_DBT_MALLOC; 1936 req->dbt3.flags = DB_DBT_MALLOC;
1928 1937
1929 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); 1938 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1930 REQ_SEND; 1939 REQ_SEND;
1931} 1940}
1932 1941
1933void 1942void
1934db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0) 1943db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1935 PREINIT: 1944 PREINIT:
1936 CALLBACK 1945 CALLBACK
1937 CODE: 1946 CODE:
1938{ 1947{
1948 if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
1949 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
1950
1939 dREQ (REQ_C_PGET, 1); 1951 dREQ (REQ_C_PGET, 1);
1940 req->dbc = dbc; 1952 req->dbc = dbc;
1941 req->uint1 = flags; 1953 req->uint1 = flags;
1942 if ((flags & DB_SET) == DB_SET 1954 if (flags & DB_OPFLAGS_MASK == DB_SET)
1943 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1944 sv_to_dbt (&req->dbt1, key); 1955 sv_to_dbt (&req->dbt1, key);
1945 else 1956 else
1957 {
1958 if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
1959 sv_to_dbt (&req->dbt1, key);
1960 else
1946 req->dbt1.flags = DB_DBT_MALLOC; 1961 req->dbt1.flags = DB_DBT_MALLOC;
1947 1962
1948 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); 1963 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1964 }
1949 1965
1950 req->dbt2.flags = DB_DBT_MALLOC; 1966 req->dbt2.flags = DB_DBT_MALLOC;
1951 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey); 1967 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1952 1968
1953 if ((flags & DB_GET_BOTH) == DB_GET_BOTH 1969 if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1954 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) 1970 || flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1955 sv_to_dbt (&req->dbt3, data); 1971 sv_to_dbt (&req->dbt3, data);
1956 else 1972 else
1957 req->dbt3.flags = DB_DBT_MALLOC; 1973 req->dbt3.flags = DB_DBT_MALLOC;
1958 1974
1959 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); 1975 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1993db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0) 2009db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
1994 PREINIT: 2010 PREINIT:
1995 CALLBACK 2011 CALLBACK
1996 CODE: 2012 CODE:
1997{ 2013{
1998 dREQ (REQ_SEQ_CLOSE, 1); 2014 dREQ (REQ_SEQ_CLOSE, 0);
2015 ptr_nuke (ST (0));
1999 req->seq = seq; 2016 req->seq = seq;
2000 req->uint1 = flags; 2017 req->uint1 = flags;
2001 REQ_SEND; 2018 REQ_SEND;
2002 ptr_nuke (ST (0));
2003} 2019}
2004 2020
2005void 2021void
2006db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0) 2022db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2007 PREINIT: 2023 PREINIT:
2008 CALLBACK 2024 CALLBACK
2009 CODE: 2025 CODE:
2010{ 2026{
2011 dREQ (REQ_SEQ_GET, 2); 2027 dREQ (REQ_SEQ_GET, 2);

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