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Comparing BDB/BDB.xs (file contents):
Revision 1.30 by root, Sun Jan 13 09:43:21 2008 UTC vs.
Revision 1.37 by root, Sat May 10 20:23:06 2008 UTC

… …
47typedef DBC DBC_ornuked; 47typedef DBC DBC_ornuked;
48typedef DB DB_ornuked; 48typedef DB DB_ornuked;
49typedef DB_SEQUENCE DB_SEQUENCE_ornuked; 49typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
50 50
51typedef SV SV8; /* byte-sv, used for argument-checking */ 51typedef SV SV8; /* byte-sv, used for argument-checking */
52typedef char *octetstring; 52typedef char *bdb_filename;
53 53
54static SV *prepare_cb; 54static SV *prepare_cb;
55 55
56#if DB_VERSION_MINOR >= 6 56#if DB_VERSION_MINOR >= 6
57# define c_close close 57# define c_close close
… …
60# define c_dup dup 60# define c_dup dup
61# define c_get get 61# define c_get get
62# define c_pget pget 62# define c_pget pget
63# define c_put put 63# define c_put put
64#endif 64#endif
65
66static char *
67get_bdb_filename (SV *sv)
68{
69 if (!SvOK (sv))
70 return 0;
71
72#if _WIN32
73 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
74 {
75 STRLEN len;
76 char *src = SvPVbyte (sv, len);
77 SV *t1 = sv_newmortal ();
78 SV *t2 = sv_newmortal ();
79
80 sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
81 sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
82
83 len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
84 len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
85 SvPOK_only (t2);
86 SvPVX (t2)[len] = 0;
87 SvCUR_set (t2, len);
88
89 return SvPVX (t2);
90 }
91#else
92 return SvPVbyte_nolen (sv);
93#endif
94}
65 95
66static void 96static void
67debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg) 97debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
68{ 98{
69 printf ("err[%s]\n", msg); 99 printf ("err[%s]\n", msg);
… …
151 NUM_PRI = PRI_MAX + PRI_BIAS + 1, 181 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
152}; 182};
153 183
154#define AIO_TICKS ((1000000 + 1023) >> 10) 184#define AIO_TICKS ((1000000 + 1023) >> 10)
155 185
186static SV *on_next_submit;
187
156static unsigned int max_poll_time = 0; 188static unsigned int max_poll_time = 0;
157static unsigned int max_poll_reqs = 0; 189static unsigned int max_poll_reqs = 0;
158 190
159/* calculcate time difference in ~1/AIO_TICKS of a second */ 191/* calculcate time difference in ~1/AIO_TICKS of a second */
160static int tvdiff (struct timeval *tv1, struct timeval *tv2) 192static int tvdiff (struct timeval *tv1, struct timeval *tv2)
… …
205static mutex_t reqlock = X_MUTEX_INIT; 237static mutex_t reqlock = X_MUTEX_INIT;
206static cond_t reqwait = X_COND_INIT; 238static cond_t reqwait = X_COND_INIT;
207 239
208#if WORDACCESS_UNSAFE 240#if WORDACCESS_UNSAFE
209 241
210static unsigned int get_nready () 242static unsigned int get_nready (void)
211{ 243{
212 unsigned int retval; 244 unsigned int retval;
213 245
214 X_LOCK (reqlock); 246 X_LOCK (reqlock);
215 retval = nready; 247 retval = nready;
216 X_UNLOCK (reqlock); 248 X_UNLOCK (reqlock);
217 249
218 return retval; 250 return retval;
219} 251}
220 252
221static unsigned int get_npending () 253static unsigned int get_npending (void)
222{ 254{
223 unsigned int retval; 255 unsigned int retval;
224 256
225 X_LOCK (reslock); 257 X_LOCK (reslock);
226 retval = npending; 258 retval = npending;
227 X_UNLOCK (reslock); 259 X_UNLOCK (reslock);
228 260
229 return retval; 261 return retval;
230} 262}
231 263
232static unsigned int get_nthreads () 264static unsigned int get_nthreads (void)
233{ 265{
234 unsigned int retval; 266 unsigned int retval;
235 267
236 X_LOCK (wrklock); 268 X_LOCK (wrklock);
237 retval = started; 269 retval = started;
… …
300 } 332 }
301 333
302 abort (); 334 abort ();
303} 335}
304 336
305static int poll_cb (); 337static int poll_cb (void);
306static void req_free (bdb_req req); 338static void req_free (bdb_req req);
307static void req_cancel (bdb_req req); 339static void req_cancel (bdb_req req);
308 340
309static int req_invoke (bdb_req req) 341static int req_invoke (bdb_req req)
310{ 342{
… …
391#else 423#else
392# define TO_SOCKET(x) (x) 424# define TO_SOCKET(x) (x)
393#endif 425#endif
394 426
395static void 427static void
396create_respipe () 428create_respipe (void)
397{ 429{
398#ifdef _WIN32 430#ifdef _WIN32
399 int arg; /* argg */ 431 int arg; /* argg */
400#endif 432#endif
401 int old_readfd = respipe [0]; 433 int old_readfd = respipe [0];
… …
455 free (wrk); 487 free (wrk);
456 488
457 X_UNLOCK (wrklock); 489 X_UNLOCK (wrklock);
458} 490}
459 491
460static void maybe_start_thread () 492static void maybe_start_thread (void)
461{ 493{
462 if (get_nthreads () >= wanted) 494 if (get_nthreads () >= wanted)
463 return; 495 return;
464 496
465 /* todo: maybe use idle here, but might be less exact */ 497 /* todo: maybe use idle here, but might be less exact */
… …
470} 502}
471 503
472static void req_send (bdb_req req) 504static void req_send (bdb_req req)
473{ 505{
474 SV *wait_callback = 0; 506 SV *wait_callback = 0;
507
508 if (on_next_submit)
509 {
510 dSP;
511 SV *cb = sv_2mortal (on_next_submit);
512
513 on_next_submit = 0;
514
515 PUSHMARK (SP);
516 PUTBACK;
517 call_sv (cb, G_DISCARD | G_EVAL);
518 }
475 519
476 // synthesize callback if none given 520 // synthesize callback if none given
477 if (!SvOK (req->callback)) 521 if (!SvOK (req->callback))
478 { 522 {
479 int count; 523 int count;
… …
550 594
551 while (started > wanted) 595 while (started > wanted)
552 end_thread (); 596 end_thread ();
553} 597}
554 598
555static void poll_wait () 599static void poll_wait (void)
556{ 600{
557 fd_set rfd; 601 fd_set rfd;
558 602
559 while (nreqs) 603 while (nreqs)
560 { 604 {
… …
573 617
574 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); 618 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
575 } 619 }
576} 620}
577 621
578static int poll_cb () 622static int poll_cb (void)
579{ 623{
580 dSP; 624 dSP;
581 int count = 0; 625 int count = 0;
582 int maxreqs = max_poll_reqs; 626 int maxreqs = max_poll_reqs;
583 int do_croak = 0; 627 int do_croak = 0;
… …
952static void 996static void
953ptr_nuke (SV *sv) 997ptr_nuke (SV *sv)
954{ 998{
955 assert (SvROK (sv)); 999 assert (SvROK (sv));
956 sv_setiv (SvRV (sv), 0); 1000 sv_setiv (SvRV (sv), 0);
1001}
1002
1003static int
1004errno_get (pTHX_ SV *sv, MAGIC *mg)
1005{
1006 if (*mg->mg_ptr == '!') // should always be the case
1007 if (-30999 <= errno && errno <= -30800)
1008 {
1009 sv_setnv (sv, (NV)errno);
1010 sv_setpv (sv, db_strerror (errno));
1011 SvNOK_on (sv); /* what a wonderful hack! */
1012 // ^^^ copied from perl sources
1013 return 0;
1014 }
1015
1016 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1017}
1018
1019static MGVTBL vtbl_errno;
1020
1021// this wonderful hack :( patches perl's $! variable to support our errno values
1022static void
1023patch_errno (void)
1024{
1025 SV *sv;
1026 MAGIC *mg;
1027
1028 if (!(sv = get_sv ("!", 1)))
1029 return;
1030
1031 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1032 return;
1033
1034 if (mg->mg_virtual != &PL_vtbl_sv)
1035 return;
1036
1037 vtbl_errno = PL_vtbl_sv;
1038 vtbl_errno.svt_get = errno_get;
1039 mg->mg_virtual = &vtbl_errno;
957} 1040}
958 1041
959MODULE = BDB PACKAGE = BDB 1042MODULE = BDB PACKAGE = BDB
960 1043
961PROTOTYPES: ENABLE 1044PROTOTYPES: ENABLE
… …
1159 X_MUTEX_CHECK (reslock); 1242 X_MUTEX_CHECK (reslock);
1160 X_MUTEX_CHECK (reqlock); 1243 X_MUTEX_CHECK (reqlock);
1161 1244
1162 X_COND_CHECK (reqwait); 1245 X_COND_CHECK (reqwait);
1163#endif 1246#endif
1247 patch_errno ();
1164} 1248}
1165 1249
1166void 1250void
1167max_poll_reqs (int nreqs) 1251max_poll_reqs (int nreqs)
1168 PROTOTYPE: $ 1252 PROTOTYPE: $
… …
1308 CODE: 1392 CODE:
1309 RETVAL = db_strerror (errorno); 1393 RETVAL = db_strerror (errorno);
1310 OUTPUT: 1394 OUTPUT:
1311 RETVAL 1395 RETVAL
1312 1396
1397void _on_next_submit (SV *cb)
1398 CODE:
1399 SvREFCNT_dec (on_next_submit);
1400 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1401
1313DB_ENV * 1402DB_ENV *
1314db_env_create (U32 env_flags = 0) 1403db_env_create (U32 env_flags = 0)
1315 CODE: 1404 CODE:
1316{ 1405{
1317 errno = db_env_create (&RETVAL, env_flags); 1406 errno = db_env_create (&RETVAL, env_flags);
… …
1326} 1415}
1327 OUTPUT: 1416 OUTPUT:
1328 RETVAL 1417 RETVAL
1329 1418
1330void 1419void
1331db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1420db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1332 CODE: 1421 CODE:
1333{ 1422{
1334 dREQ (REQ_ENV_OPEN); 1423 dREQ (REQ_ENV_OPEN);
1335 1424
1336 req->env = env; 1425 req->env = env;
… …
1407} 1496}
1408 OUTPUT: 1497 OUTPUT:
1409 RETVAL 1498 RETVAL
1410 1499
1411void 1500void
1412db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) 1501db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1413 CODE: 1502 CODE:
1414{ 1503{
1415 dREQ (REQ_DB_OPEN); 1504 dREQ (REQ_DB_OPEN);
1416 req->db = db; 1505 req->db = db;
1417 req->txn = txnid; 1506 req->txn = txnid;
… …
1457 req->uint1 = flags; 1546 req->uint1 = flags;
1458 REQ_SEND; 1547 REQ_SEND;
1459} 1548}
1460 1549
1461void 1550void
1462db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef) 1551db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
1463 CODE: 1552 CODE:
1464{ 1553{
1465 dREQ (REQ_DB_SYNC); 1554 dREQ (REQ_DB_SYNC);
1466 req->db = db; 1555 req->db = db;
1467 req->buf1 = strdup (file); 1556 req->buf1 = strdup (file);
… …
2045 CODE: 2134 CODE:
2046 RETVAL = seq->set_range (seq, min, max); 2135 RETVAL = seq->set_range (seq, min, max);
2047 OUTPUT: 2136 OUTPUT:
2048 RETVAL 2137 RETVAL
2049 2138
2139

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