| 1 |
#include "xthread.h" |
| 2 |
|
| 3 |
#include <errno.h> |
| 4 |
|
| 5 |
#include "EXTERN.h" |
| 6 |
#include "perl.h" |
| 7 |
#include "XSUB.h" |
| 8 |
|
| 9 |
// perl stupidly defines these as macros, breaking |
| 10 |
// lots and lots of code. |
| 11 |
#undef open |
| 12 |
#undef close |
| 13 |
#undef abort |
| 14 |
#undef malloc |
| 15 |
#undef free |
| 16 |
#undef send |
| 17 |
|
| 18 |
#include <stddef.h> |
| 19 |
#include <stdlib.h> |
| 20 |
#include <errno.h> |
| 21 |
#include <sys/types.h> |
| 22 |
#include <limits.h> |
| 23 |
#include <fcntl.h> |
| 24 |
|
| 25 |
#ifndef _WIN32 |
| 26 |
# include <sys/time.h> |
| 27 |
# include <unistd.h> |
| 28 |
#endif |
| 29 |
|
| 30 |
#include <db.h> |
| 31 |
|
| 32 |
#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4) |
| 33 |
# error you need Berkeley DB 4.4 or newer installed |
| 34 |
#endif |
| 35 |
|
| 36 |
/* number of seconds after which idle threads exit */ |
| 37 |
#define IDLE_TIMEOUT 10 |
| 38 |
|
| 39 |
typedef DB_ENV DB_ENV_ornull; |
| 40 |
typedef DB_TXN DB_TXN_ornull; |
| 41 |
typedef DBC DBC_ornull; |
| 42 |
typedef DB DB_ornull; |
| 43 |
typedef DB_SEQUENCE DB_SEQUENCE_ornull; |
| 44 |
|
| 45 |
typedef DB_ENV DB_ENV_ornuked; |
| 46 |
typedef DB_TXN DB_TXN_ornuked; |
| 47 |
typedef DBC DBC_ornuked; |
| 48 |
typedef DB DB_ornuked; |
| 49 |
typedef DB_SEQUENCE DB_SEQUENCE_ornuked; |
| 50 |
|
| 51 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
| 52 |
typedef char *bdb_filename; |
| 53 |
|
| 54 |
static SV *prepare_cb; |
| 55 |
|
| 56 |
#if DB_VERSION_MINOR >= 6 |
| 57 |
# define c_close close |
| 58 |
# define c_count count |
| 59 |
# define c_del del |
| 60 |
# define c_dup dup |
| 61 |
# define c_get get |
| 62 |
# define c_pget pget |
| 63 |
# define c_put put |
| 64 |
#endif |
| 65 |
|
| 66 |
static char * |
| 67 |
get_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 |
} |
| 95 |
|
| 96 |
static void |
| 97 |
debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg) |
| 98 |
{ |
| 99 |
printf ("err[%s]\n", msg); |
| 100 |
} |
| 101 |
|
| 102 |
static void |
| 103 |
debug_msgcall (const DB_ENV *dbenv, const char *msg) |
| 104 |
{ |
| 105 |
printf ("msg[%s]\n", msg); |
| 106 |
} |
| 107 |
|
| 108 |
static char * |
| 109 |
strdup_ornull (const char *s) |
| 110 |
{ |
| 111 |
return s ? strdup (s) : 0; |
| 112 |
} |
| 113 |
|
| 114 |
static void |
| 115 |
sv_to_dbt (DBT *dbt, SV *sv) |
| 116 |
{ |
| 117 |
STRLEN len; |
| 118 |
char *data = SvPVbyte (sv, len); |
| 119 |
|
| 120 |
dbt->data = malloc (len); |
| 121 |
memcpy (dbt->data, data, len); |
| 122 |
dbt->size = len; |
| 123 |
dbt->flags = DB_DBT_REALLOC; |
| 124 |
} |
| 125 |
|
| 126 |
static void |
| 127 |
dbt_to_sv (SV *sv, DBT *dbt) |
| 128 |
{ |
| 129 |
if (sv) |
| 130 |
{ |
| 131 |
SvREADONLY_off (sv); |
| 132 |
sv_setpvn_mg (sv, dbt->data, dbt->size); |
| 133 |
SvREFCNT_dec (sv); |
| 134 |
} |
| 135 |
|
| 136 |
free (dbt->data); |
| 137 |
} |
| 138 |
|
| 139 |
enum { |
| 140 |
REQ_QUIT, |
| 141 |
REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, |
| 142 |
REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME, |
| 143 |
REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE, |
| 144 |
REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, |
| 145 |
REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH, |
| 146 |
REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, |
| 147 |
REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, |
| 148 |
}; |
| 149 |
|
| 150 |
typedef struct bdb_cb |
| 151 |
{ |
| 152 |
struct bdb_cb *volatile next; |
| 153 |
SV *callback; |
| 154 |
int type, pri, result; |
| 155 |
|
| 156 |
DB_ENV *env; |
| 157 |
DB *db; |
| 158 |
DB_TXN *txn; |
| 159 |
DBC *dbc; |
| 160 |
|
| 161 |
UV uv1; |
| 162 |
int int1, int2; |
| 163 |
U32 uint1, uint2; |
| 164 |
char *buf1, *buf2, *buf3; |
| 165 |
SV *sv1, *sv2, *sv3; |
| 166 |
|
| 167 |
DBT dbt1, dbt2, dbt3; |
| 168 |
DB_KEY_RANGE key_range; |
| 169 |
DB_SEQUENCE *seq; |
| 170 |
db_seq_t seq_t; |
| 171 |
} bdb_cb; |
| 172 |
|
| 173 |
typedef bdb_cb *bdb_req; |
| 174 |
|
| 175 |
enum { |
| 176 |
PRI_MIN = -4, |
| 177 |
PRI_MAX = 4, |
| 178 |
|
| 179 |
DEFAULT_PRI = 0, |
| 180 |
PRI_BIAS = -PRI_MIN, |
| 181 |
NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
| 182 |
}; |
| 183 |
|
| 184 |
#define AIO_TICKS ((1000000 + 1023) >> 10) |
| 185 |
|
| 186 |
static SV *on_next_submit; |
| 187 |
|
| 188 |
static unsigned int max_poll_time = 0; |
| 189 |
static unsigned int max_poll_reqs = 0; |
| 190 |
|
| 191 |
/* calculcate time difference in ~1/AIO_TICKS of a second */ |
| 192 |
static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
| 193 |
{ |
| 194 |
return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
| 195 |
+ ((tv2->tv_usec - tv1->tv_usec) >> 10); |
| 196 |
} |
| 197 |
|
| 198 |
static int next_pri = DEFAULT_PRI + PRI_BIAS; |
| 199 |
|
| 200 |
static unsigned int started, idle, wanted; |
| 201 |
|
| 202 |
/* worker threads management */ |
| 203 |
static mutex_t wrklock = X_MUTEX_INIT; |
| 204 |
|
| 205 |
typedef struct worker { |
| 206 |
/* locked by wrklock */ |
| 207 |
struct worker *prev, *next; |
| 208 |
|
| 209 |
thread_t tid; |
| 210 |
|
| 211 |
/* locked by reslock, reqlock or wrklock */ |
| 212 |
bdb_req req; /* currently processed request */ |
| 213 |
void *dbuf; |
| 214 |
DIR *dirp; |
| 215 |
} worker; |
| 216 |
|
| 217 |
static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
| 218 |
|
| 219 |
static void worker_clear (worker *wrk) |
| 220 |
{ |
| 221 |
} |
| 222 |
|
| 223 |
static void worker_free (worker *wrk) |
| 224 |
{ |
| 225 |
wrk->next->prev = wrk->prev; |
| 226 |
wrk->prev->next = wrk->next; |
| 227 |
|
| 228 |
free (wrk); |
| 229 |
} |
| 230 |
|
| 231 |
static volatile unsigned int nreqs, nready, npending; |
| 232 |
static volatile unsigned int max_idle = 4; |
| 233 |
static volatile unsigned int max_outstanding = 0xffffffff; |
| 234 |
static int respipe_osf [2], respipe [2] = { -1, -1 }; |
| 235 |
|
| 236 |
static mutex_t reslock = X_MUTEX_INIT; |
| 237 |
static mutex_t reqlock = X_MUTEX_INIT; |
| 238 |
static cond_t reqwait = X_COND_INIT; |
| 239 |
|
| 240 |
#if WORDACCESS_UNSAFE |
| 241 |
|
| 242 |
static unsigned int get_nready (void) |
| 243 |
{ |
| 244 |
unsigned int retval; |
| 245 |
|
| 246 |
X_LOCK (reqlock); |
| 247 |
retval = nready; |
| 248 |
X_UNLOCK (reqlock); |
| 249 |
|
| 250 |
return retval; |
| 251 |
} |
| 252 |
|
| 253 |
static unsigned int get_npending (void) |
| 254 |
{ |
| 255 |
unsigned int retval; |
| 256 |
|
| 257 |
X_LOCK (reslock); |
| 258 |
retval = npending; |
| 259 |
X_UNLOCK (reslock); |
| 260 |
|
| 261 |
return retval; |
| 262 |
} |
| 263 |
|
| 264 |
static unsigned int get_nthreads (void) |
| 265 |
{ |
| 266 |
unsigned int retval; |
| 267 |
|
| 268 |
X_LOCK (wrklock); |
| 269 |
retval = started; |
| 270 |
X_UNLOCK (wrklock); |
| 271 |
|
| 272 |
return retval; |
| 273 |
} |
| 274 |
|
| 275 |
#else |
| 276 |
|
| 277 |
# define get_nready() nready |
| 278 |
# define get_npending() npending |
| 279 |
# define get_nthreads() started |
| 280 |
|
| 281 |
#endif |
| 282 |
|
| 283 |
/* |
| 284 |
* a somewhat faster data structure might be nice, but |
| 285 |
* with 8 priorities this actually needs <20 insns |
| 286 |
* per shift, the most expensive operation. |
| 287 |
*/ |
| 288 |
typedef struct { |
| 289 |
bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
| 290 |
int size; |
| 291 |
} reqq; |
| 292 |
|
| 293 |
static reqq req_queue; |
| 294 |
static reqq res_queue; |
| 295 |
|
| 296 |
int reqq_push (reqq *q, bdb_req req) |
| 297 |
{ |
| 298 |
int pri = req->pri; |
| 299 |
req->next = 0; |
| 300 |
|
| 301 |
if (q->qe[pri]) |
| 302 |
{ |
| 303 |
q->qe[pri]->next = req; |
| 304 |
q->qe[pri] = req; |
| 305 |
} |
| 306 |
else |
| 307 |
q->qe[pri] = q->qs[pri] = req; |
| 308 |
|
| 309 |
return q->size++; |
| 310 |
} |
| 311 |
|
| 312 |
bdb_req reqq_shift (reqq *q) |
| 313 |
{ |
| 314 |
int pri; |
| 315 |
|
| 316 |
if (!q->size) |
| 317 |
return 0; |
| 318 |
|
| 319 |
--q->size; |
| 320 |
|
| 321 |
for (pri = NUM_PRI; pri--; ) |
| 322 |
{ |
| 323 |
bdb_req req = q->qs[pri]; |
| 324 |
|
| 325 |
if (req) |
| 326 |
{ |
| 327 |
if (!(q->qs[pri] = req->next)) |
| 328 |
q->qe[pri] = 0; |
| 329 |
|
| 330 |
return req; |
| 331 |
} |
| 332 |
} |
| 333 |
|
| 334 |
abort (); |
| 335 |
} |
| 336 |
|
| 337 |
static int poll_cb (void); |
| 338 |
static void req_free (bdb_req req); |
| 339 |
static void req_cancel (bdb_req req); |
| 340 |
|
| 341 |
static int req_invoke (bdb_req req) |
| 342 |
{ |
| 343 |
dSP; |
| 344 |
|
| 345 |
if (SvOK (req->callback)) |
| 346 |
{ |
| 347 |
ENTER; |
| 348 |
SAVETMPS; |
| 349 |
PUSHMARK (SP); |
| 350 |
|
| 351 |
switch (req->type) |
| 352 |
{ |
| 353 |
case REQ_DB_CLOSE: |
| 354 |
SvREFCNT_dec (req->sv1); |
| 355 |
break; |
| 356 |
|
| 357 |
case REQ_DB_GET: |
| 358 |
case REQ_DB_PGET: |
| 359 |
dbt_to_sv (req->sv3, &req->dbt3); |
| 360 |
break; |
| 361 |
|
| 362 |
case REQ_C_GET: |
| 363 |
case REQ_C_PGET: |
| 364 |
dbt_to_sv (req->sv1, &req->dbt1); |
| 365 |
dbt_to_sv (req->sv2, &req->dbt2); |
| 366 |
dbt_to_sv (req->sv3, &req->dbt3); |
| 367 |
break; |
| 368 |
|
| 369 |
case REQ_DB_PUT: |
| 370 |
case REQ_C_PUT: |
| 371 |
dbt_to_sv (0, &req->dbt1); |
| 372 |
dbt_to_sv (0, &req->dbt2); |
| 373 |
break; |
| 374 |
|
| 375 |
case REQ_DB_KEY_RANGE: |
| 376 |
{ |
| 377 |
AV *av = newAV (); |
| 378 |
|
| 379 |
av_push (av, newSVnv (req->key_range.less)); |
| 380 |
av_push (av, newSVnv (req->key_range.equal)); |
| 381 |
av_push (av, newSVnv (req->key_range.greater)); |
| 382 |
|
| 383 |
SvREADONLY_off (req->sv1); |
| 384 |
sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av)); |
| 385 |
SvREFCNT_dec (req->sv1); |
| 386 |
} |
| 387 |
break; |
| 388 |
|
| 389 |
case REQ_SEQ_GET: |
| 390 |
SvREADONLY_off (req->sv1); |
| 391 |
|
| 392 |
if (sizeof (IV) > 4) |
| 393 |
sv_setiv_mg (req->sv1, (IV)req->seq_t); |
| 394 |
else |
| 395 |
sv_setnv_mg (req->sv1, (NV)req->seq_t); |
| 396 |
|
| 397 |
SvREFCNT_dec (req->sv1); |
| 398 |
break; |
| 399 |
} |
| 400 |
|
| 401 |
errno = req->result; |
| 402 |
|
| 403 |
PUTBACK; |
| 404 |
call_sv (req->callback, G_VOID | G_EVAL); |
| 405 |
SPAGAIN; |
| 406 |
|
| 407 |
FREETMPS; |
| 408 |
LEAVE; |
| 409 |
} |
| 410 |
|
| 411 |
return !SvTRUE (ERRSV); |
| 412 |
} |
| 413 |
|
| 414 |
static void req_free (bdb_req req) |
| 415 |
{ |
| 416 |
free (req->buf1); |
| 417 |
free (req->buf2); |
| 418 |
free (req->buf3); |
| 419 |
Safefree (req); |
| 420 |
} |
| 421 |
|
| 422 |
#ifdef USE_SOCKETS_AS_HANDLES |
| 423 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
| 424 |
#else |
| 425 |
# define TO_SOCKET(x) (x) |
| 426 |
#endif |
| 427 |
|
| 428 |
static void |
| 429 |
create_respipe (void) |
| 430 |
{ |
| 431 |
#ifdef _WIN32 |
| 432 |
int arg; /* argg */ |
| 433 |
#endif |
| 434 |
int old_readfd = respipe [0]; |
| 435 |
|
| 436 |
if (respipe [1] >= 0) |
| 437 |
respipe_close (TO_SOCKET (respipe [1])); |
| 438 |
|
| 439 |
#ifdef _WIN32 |
| 440 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
| 441 |
#else |
| 442 |
if (pipe (respipe)) |
| 443 |
#endif |
| 444 |
croak ("unable to initialize result pipe"); |
| 445 |
|
| 446 |
if (old_readfd >= 0) |
| 447 |
{ |
| 448 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
| 449 |
croak ("unable to initialize result pipe(2)"); |
| 450 |
|
| 451 |
respipe_close (respipe [0]); |
| 452 |
respipe [0] = old_readfd; |
| 453 |
} |
| 454 |
|
| 455 |
#ifdef _WIN32 |
| 456 |
arg = 1; |
| 457 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
| 458 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
| 459 |
#else |
| 460 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
| 461 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
| 462 |
#endif |
| 463 |
croak ("unable to initialize result pipe(3)"); |
| 464 |
|
| 465 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
| 466 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
| 467 |
} |
| 468 |
|
| 469 |
X_THREAD_PROC (bdb_proc); |
| 470 |
|
| 471 |
static void start_thread (void) |
| 472 |
{ |
| 473 |
worker *wrk = calloc (1, sizeof (worker)); |
| 474 |
|
| 475 |
if (!wrk) |
| 476 |
croak ("unable to allocate worker thread data"); |
| 477 |
|
| 478 |
X_LOCK (wrklock); |
| 479 |
if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
| 480 |
{ |
| 481 |
wrk->prev = &wrk_first; |
| 482 |
wrk->next = wrk_first.next; |
| 483 |
wrk_first.next->prev = wrk; |
| 484 |
wrk_first.next = wrk; |
| 485 |
++started; |
| 486 |
} |
| 487 |
else |
| 488 |
free (wrk); |
| 489 |
|
| 490 |
X_UNLOCK (wrklock); |
| 491 |
} |
| 492 |
|
| 493 |
static void maybe_start_thread (void) |
| 494 |
{ |
| 495 |
if (get_nthreads () >= wanted) |
| 496 |
return; |
| 497 |
|
| 498 |
/* todo: maybe use idle here, but might be less exact */ |
| 499 |
if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
| 500 |
return; |
| 501 |
|
| 502 |
start_thread (); |
| 503 |
} |
| 504 |
|
| 505 |
static void req_send (bdb_req req) |
| 506 |
{ |
| 507 |
SV *wait_callback = 0; |
| 508 |
|
| 509 |
if (on_next_submit) |
| 510 |
{ |
| 511 |
dSP; |
| 512 |
SV *cb = sv_2mortal (on_next_submit); |
| 513 |
|
| 514 |
on_next_submit = 0; |
| 515 |
|
| 516 |
PUSHMARK (SP); |
| 517 |
PUTBACK; |
| 518 |
call_sv (cb, G_DISCARD | G_EVAL); |
| 519 |
} |
| 520 |
|
| 521 |
// synthesize callback if none given |
| 522 |
if (!SvOK (req->callback)) |
| 523 |
{ |
| 524 |
int count; |
| 525 |
|
| 526 |
dSP; |
| 527 |
PUSHMARK (SP); |
| 528 |
PUTBACK; |
| 529 |
count = call_sv (prepare_cb, G_ARRAY); |
| 530 |
SPAGAIN; |
| 531 |
|
| 532 |
if (count != 2) |
| 533 |
croak ("prepare callback must return exactly two values\n"); |
| 534 |
|
| 535 |
wait_callback = POPs; |
| 536 |
SvREFCNT_dec (req->callback); |
| 537 |
req->callback = SvREFCNT_inc (POPs); |
| 538 |
} |
| 539 |
|
| 540 |
++nreqs; |
| 541 |
|
| 542 |
X_LOCK (reqlock); |
| 543 |
++nready; |
| 544 |
reqq_push (&req_queue, req); |
| 545 |
X_COND_SIGNAL (reqwait); |
| 546 |
X_UNLOCK (reqlock); |
| 547 |
|
| 548 |
maybe_start_thread (); |
| 549 |
|
| 550 |
if (wait_callback) |
| 551 |
{ |
| 552 |
dSP; |
| 553 |
PUSHMARK (SP); |
| 554 |
PUTBACK; |
| 555 |
call_sv (wait_callback, G_DISCARD); |
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
static void end_thread (void) |
| 560 |
{ |
| 561 |
bdb_req req; |
| 562 |
|
| 563 |
Newz (0, req, 1, bdb_cb); |
| 564 |
|
| 565 |
req->type = REQ_QUIT; |
| 566 |
req->pri = PRI_MAX + PRI_BIAS; |
| 567 |
|
| 568 |
X_LOCK (reqlock); |
| 569 |
reqq_push (&req_queue, req); |
| 570 |
X_COND_SIGNAL (reqwait); |
| 571 |
X_UNLOCK (reqlock); |
| 572 |
|
| 573 |
X_LOCK (wrklock); |
| 574 |
--started; |
| 575 |
X_UNLOCK (wrklock); |
| 576 |
} |
| 577 |
|
| 578 |
static void set_max_idle (int nthreads) |
| 579 |
{ |
| 580 |
if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
| 581 |
max_idle = nthreads <= 0 ? 1 : nthreads; |
| 582 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
| 583 |
} |
| 584 |
|
| 585 |
static void min_parallel (int nthreads) |
| 586 |
{ |
| 587 |
if (wanted < nthreads) |
| 588 |
wanted = nthreads; |
| 589 |
} |
| 590 |
|
| 591 |
static void max_parallel (int nthreads) |
| 592 |
{ |
| 593 |
if (wanted > nthreads) |
| 594 |
wanted = nthreads; |
| 595 |
|
| 596 |
while (started > wanted) |
| 597 |
end_thread (); |
| 598 |
} |
| 599 |
|
| 600 |
static void poll_wait (void) |
| 601 |
{ |
| 602 |
fd_set rfd; |
| 603 |
|
| 604 |
while (nreqs) |
| 605 |
{ |
| 606 |
int size; |
| 607 |
if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
| 608 |
size = res_queue.size; |
| 609 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
| 610 |
|
| 611 |
if (size) |
| 612 |
return; |
| 613 |
|
| 614 |
maybe_start_thread (); |
| 615 |
|
| 616 |
FD_ZERO (&rfd); |
| 617 |
FD_SET (respipe [0], &rfd); |
| 618 |
|
| 619 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
static int poll_cb (void) |
| 624 |
{ |
| 625 |
dSP; |
| 626 |
int count = 0; |
| 627 |
int maxreqs = max_poll_reqs; |
| 628 |
int do_croak = 0; |
| 629 |
struct timeval tv_start, tv_now; |
| 630 |
bdb_req req; |
| 631 |
|
| 632 |
if (max_poll_time) |
| 633 |
gettimeofday (&tv_start, 0); |
| 634 |
|
| 635 |
for (;;) |
| 636 |
{ |
| 637 |
for (;;) |
| 638 |
{ |
| 639 |
maybe_start_thread (); |
| 640 |
|
| 641 |
X_LOCK (reslock); |
| 642 |
req = reqq_shift (&res_queue); |
| 643 |
|
| 644 |
if (req) |
| 645 |
{ |
| 646 |
--npending; |
| 647 |
|
| 648 |
if (!res_queue.size) |
| 649 |
{ |
| 650 |
/* read any signals sent by the worker threads */ |
| 651 |
char buf [4]; |
| 652 |
while (respipe_read (respipe [0], buf, 4) == 4) |
| 653 |
; |
| 654 |
} |
| 655 |
} |
| 656 |
|
| 657 |
X_UNLOCK (reslock); |
| 658 |
|
| 659 |
if (!req) |
| 660 |
break; |
| 661 |
|
| 662 |
--nreqs; |
| 663 |
|
| 664 |
if (!req_invoke (req)) |
| 665 |
{ |
| 666 |
req_free (req); |
| 667 |
croak (0); |
| 668 |
} |
| 669 |
|
| 670 |
count++; |
| 671 |
|
| 672 |
req_free (req); |
| 673 |
|
| 674 |
if (maxreqs && !--maxreqs) |
| 675 |
break; |
| 676 |
|
| 677 |
if (max_poll_time) |
| 678 |
{ |
| 679 |
gettimeofday (&tv_now, 0); |
| 680 |
|
| 681 |
if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
| 682 |
break; |
| 683 |
} |
| 684 |
} |
| 685 |
|
| 686 |
if (nreqs <= max_outstanding) |
| 687 |
break; |
| 688 |
|
| 689 |
poll_wait (); |
| 690 |
|
| 691 |
++maxreqs; |
| 692 |
} |
| 693 |
|
| 694 |
return count; |
| 695 |
} |
| 696 |
|
| 697 |
/*****************************************************************************/ |
| 698 |
|
| 699 |
X_THREAD_PROC (bdb_proc) |
| 700 |
{ |
| 701 |
bdb_req req; |
| 702 |
struct timespec ts; |
| 703 |
worker *self = (worker *)thr_arg; |
| 704 |
|
| 705 |
/* try to distribute timeouts somewhat evenly */ |
| 706 |
ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
| 707 |
|
| 708 |
for (;;) |
| 709 |
{ |
| 710 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
| 711 |
|
| 712 |
X_LOCK (reqlock); |
| 713 |
|
| 714 |
for (;;) |
| 715 |
{ |
| 716 |
self->req = req = reqq_shift (&req_queue); |
| 717 |
|
| 718 |
if (req) |
| 719 |
break; |
| 720 |
|
| 721 |
++idle; |
| 722 |
|
| 723 |
if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
| 724 |
== ETIMEDOUT) |
| 725 |
{ |
| 726 |
if (idle > max_idle) |
| 727 |
{ |
| 728 |
--idle; |
| 729 |
X_UNLOCK (reqlock); |
| 730 |
X_LOCK (wrklock); |
| 731 |
--started; |
| 732 |
X_UNLOCK (wrklock); |
| 733 |
goto quit; |
| 734 |
} |
| 735 |
|
| 736 |
/* we are allowed to idle, so do so without any timeout */ |
| 737 |
X_COND_WAIT (reqwait, reqlock); |
| 738 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
| 739 |
} |
| 740 |
|
| 741 |
--idle; |
| 742 |
} |
| 743 |
|
| 744 |
--nready; |
| 745 |
|
| 746 |
X_UNLOCK (reqlock); |
| 747 |
|
| 748 |
switch (req->type) |
| 749 |
{ |
| 750 |
case REQ_QUIT: |
| 751 |
req->result = ENOSYS; |
| 752 |
goto quit; |
| 753 |
|
| 754 |
case REQ_ENV_OPEN: |
| 755 |
req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
| 756 |
break; |
| 757 |
|
| 758 |
case REQ_ENV_CLOSE: |
| 759 |
req->result = req->env->close (req->env, req->uint1); |
| 760 |
break; |
| 761 |
|
| 762 |
case REQ_ENV_TXN_CHECKPOINT: |
| 763 |
req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2); |
| 764 |
break; |
| 765 |
|
| 766 |
case REQ_ENV_LOCK_DETECT: |
| 767 |
req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1); |
| 768 |
break; |
| 769 |
|
| 770 |
case REQ_ENV_MEMP_SYNC: |
| 771 |
req->result = req->env->memp_sync (req->env, 0); |
| 772 |
break; |
| 773 |
|
| 774 |
case REQ_ENV_MEMP_TRICKLE: |
| 775 |
req->result = req->env->memp_trickle (req->env, req->int1, &req->int2); |
| 776 |
break; |
| 777 |
|
| 778 |
case REQ_ENV_DBREMOVE: |
| 779 |
req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1); |
| 780 |
break; |
| 781 |
|
| 782 |
case REQ_ENV_DBRENAME: |
| 783 |
req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1); |
| 784 |
break; |
| 785 |
|
| 786 |
case REQ_DB_OPEN: |
| 787 |
req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); |
| 788 |
break; |
| 789 |
|
| 790 |
case REQ_DB_CLOSE: |
| 791 |
req->result = req->db->close (req->db, req->uint1); |
| 792 |
break; |
| 793 |
|
| 794 |
case REQ_DB_COMPACT: |
| 795 |
req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0); |
| 796 |
break; |
| 797 |
|
| 798 |
case REQ_DB_SYNC: |
| 799 |
req->result = req->db->sync (req->db, req->uint1); |
| 800 |
break; |
| 801 |
|
| 802 |
case REQ_DB_UPGRADE: |
| 803 |
req->result = req->db->upgrade (req->db, req->buf1, req->uint1); |
| 804 |
break; |
| 805 |
|
| 806 |
case REQ_DB_PUT: |
| 807 |
req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); |
| 808 |
break; |
| 809 |
|
| 810 |
case REQ_DB_GET: |
| 811 |
req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1); |
| 812 |
break; |
| 813 |
|
| 814 |
case REQ_DB_PGET: |
| 815 |
req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
| 816 |
break; |
| 817 |
|
| 818 |
case REQ_DB_DEL: |
| 819 |
req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); |
| 820 |
break; |
| 821 |
|
| 822 |
case REQ_DB_KEY_RANGE: |
| 823 |
req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1); |
| 824 |
break; |
| 825 |
|
| 826 |
case REQ_TXN_COMMIT: |
| 827 |
req->result = req->txn->commit (req->txn, req->uint1); |
| 828 |
break; |
| 829 |
|
| 830 |
case REQ_TXN_ABORT: |
| 831 |
req->result = req->txn->abort (req->txn); |
| 832 |
break; |
| 833 |
|
| 834 |
case REQ_TXN_FINISH: |
| 835 |
if (req->txn->flags & TXN_DEADLOCK) |
| 836 |
{ |
| 837 |
req->result = req->txn->abort (req->txn); |
| 838 |
if (!req->result) |
| 839 |
req->result = DB_LOCK_DEADLOCK; |
| 840 |
} |
| 841 |
else |
| 842 |
req->result = req->txn->commit (req->txn, req->uint1); |
| 843 |
break; |
| 844 |
|
| 845 |
case REQ_C_CLOSE: |
| 846 |
req->result = req->dbc->c_close (req->dbc); |
| 847 |
break; |
| 848 |
|
| 849 |
case REQ_C_COUNT: |
| 850 |
{ |
| 851 |
db_recno_t recno; |
| 852 |
req->result = req->dbc->c_count (req->dbc, &recno, req->uint1); |
| 853 |
req->uv1 = recno; |
| 854 |
} |
| 855 |
break; |
| 856 |
|
| 857 |
case REQ_C_PUT: |
| 858 |
req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1); |
| 859 |
break; |
| 860 |
|
| 861 |
case REQ_C_GET: |
| 862 |
req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1); |
| 863 |
break; |
| 864 |
|
| 865 |
case REQ_C_PGET: |
| 866 |
req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
| 867 |
break; |
| 868 |
|
| 869 |
case REQ_C_DEL: |
| 870 |
req->result = req->dbc->c_del (req->dbc, req->uint1); |
| 871 |
break; |
| 872 |
|
| 873 |
case REQ_SEQ_OPEN: |
| 874 |
req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1); |
| 875 |
break; |
| 876 |
|
| 877 |
case REQ_SEQ_CLOSE: |
| 878 |
req->result = req->seq->close (req->seq, req->uint1); |
| 879 |
break; |
| 880 |
|
| 881 |
case REQ_SEQ_GET: |
| 882 |
req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1); |
| 883 |
break; |
| 884 |
|
| 885 |
case REQ_SEQ_REMOVE: |
| 886 |
req->result = req->seq->remove (req->seq, req->txn, req->uint1); |
| 887 |
break; |
| 888 |
|
| 889 |
default: |
| 890 |
req->result = ENOSYS; |
| 891 |
break; |
| 892 |
} |
| 893 |
|
| 894 |
if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED)) |
| 895 |
req->txn->flags |= TXN_DEADLOCK; |
| 896 |
|
| 897 |
X_LOCK (reslock); |
| 898 |
|
| 899 |
++npending; |
| 900 |
|
| 901 |
if (!reqq_push (&res_queue, req)) |
| 902 |
/* write a dummy byte to the pipe so fh becomes ready */ |
| 903 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
| 904 |
|
| 905 |
self->req = 0; |
| 906 |
worker_clear (self); |
| 907 |
|
| 908 |
X_UNLOCK (reslock); |
| 909 |
} |
| 910 |
|
| 911 |
quit: |
| 912 |
X_LOCK (wrklock); |
| 913 |
worker_free (self); |
| 914 |
X_UNLOCK (wrklock); |
| 915 |
|
| 916 |
return 0; |
| 917 |
} |
| 918 |
|
| 919 |
/*****************************************************************************/ |
| 920 |
|
| 921 |
static void atfork_prepare (void) |
| 922 |
{ |
| 923 |
X_LOCK (wrklock); |
| 924 |
X_LOCK (reqlock); |
| 925 |
X_LOCK (reslock); |
| 926 |
} |
| 927 |
|
| 928 |
static void atfork_parent (void) |
| 929 |
{ |
| 930 |
X_UNLOCK (reslock); |
| 931 |
X_UNLOCK (reqlock); |
| 932 |
X_UNLOCK (wrklock); |
| 933 |
} |
| 934 |
|
| 935 |
static void atfork_child (void) |
| 936 |
{ |
| 937 |
bdb_req prv; |
| 938 |
|
| 939 |
while (prv = reqq_shift (&req_queue)) |
| 940 |
req_free (prv); |
| 941 |
|
| 942 |
while (prv = reqq_shift (&res_queue)) |
| 943 |
req_free (prv); |
| 944 |
|
| 945 |
while (wrk_first.next != &wrk_first) |
| 946 |
{ |
| 947 |
worker *wrk = wrk_first.next; |
| 948 |
|
| 949 |
if (wrk->req) |
| 950 |
req_free (wrk->req); |
| 951 |
|
| 952 |
worker_clear (wrk); |
| 953 |
worker_free (wrk); |
| 954 |
} |
| 955 |
|
| 956 |
started = 0; |
| 957 |
idle = 0; |
| 958 |
nreqs = 0; |
| 959 |
nready = 0; |
| 960 |
npending = 0; |
| 961 |
|
| 962 |
create_respipe (); |
| 963 |
|
| 964 |
atfork_parent (); |
| 965 |
} |
| 966 |
|
| 967 |
#define dREQ(reqtype) \ |
| 968 |
bdb_req req; \ |
| 969 |
int req_pri = next_pri; \ |
| 970 |
next_pri = DEFAULT_PRI + PRI_BIAS; \ |
| 971 |
\ |
| 972 |
if (SvOK (callback) && !SvROK (callback)) \ |
| 973 |
croak ("callback must be undef or of reference type"); \ |
| 974 |
\ |
| 975 |
Newz (0, req, 1, bdb_cb); \ |
| 976 |
if (!req) \ |
| 977 |
croak ("out of memory during bdb_req allocation"); \ |
| 978 |
\ |
| 979 |
req->callback = newSVsv (callback); \ |
| 980 |
req->type = (reqtype); \ |
| 981 |
req->pri = req_pri |
| 982 |
|
| 983 |
#define REQ_SEND \ |
| 984 |
req_send (req) |
| 985 |
|
| 986 |
#define SvPTR(var, arg, type, class, nullok) \ |
| 987 |
if (!SvOK (arg)) \ |
| 988 |
{ \ |
| 989 |
if (nullok != 1) \ |
| 990 |
croak (# var " must be a " # class " object, not undef"); \ |
| 991 |
\ |
| 992 |
(var) = 0; \ |
| 993 |
} \ |
| 994 |
else if (sv_derived_from ((arg), # class)) \ |
| 995 |
{ \ |
| 996 |
IV tmp = SvIV ((SV*) SvRV (arg)); \ |
| 997 |
(var) = INT2PTR (type, tmp); \ |
| 998 |
if (!var && nullok != 2) \ |
| 999 |
croak (# var " is not a valid " # class " object anymore"); \ |
| 1000 |
} \ |
| 1001 |
else \ |
| 1002 |
croak (# var " is not of type " # class); \ |
| 1003 |
\ |
| 1004 |
|
| 1005 |
static void |
| 1006 |
ptr_nuke (SV *sv) |
| 1007 |
{ |
| 1008 |
assert (SvROK (sv)); |
| 1009 |
sv_setiv (SvRV (sv), 0); |
| 1010 |
} |
| 1011 |
|
| 1012 |
static int |
| 1013 |
errno_get (pTHX_ SV *sv, MAGIC *mg) |
| 1014 |
{ |
| 1015 |
if (*mg->mg_ptr == '!') // should always be the case |
| 1016 |
if (-30999 <= errno && errno <= -30800) |
| 1017 |
{ |
| 1018 |
sv_setnv (sv, (NV)errno); |
| 1019 |
sv_setpv (sv, db_strerror (errno)); |
| 1020 |
SvNOK_on (sv); /* what a wonderful hack! */ |
| 1021 |
// ^^^ copied from perl sources |
| 1022 |
return 0; |
| 1023 |
} |
| 1024 |
|
| 1025 |
return PL_vtbl_sv.svt_get (aTHX_ sv, mg); |
| 1026 |
} |
| 1027 |
|
| 1028 |
static MGVTBL vtbl_errno; |
| 1029 |
|
| 1030 |
// this wonderful hack :( patches perl's $! variable to support our errno values |
| 1031 |
static void |
| 1032 |
patch_errno (void) |
| 1033 |
{ |
| 1034 |
SV *sv; |
| 1035 |
MAGIC *mg; |
| 1036 |
|
| 1037 |
if (!(sv = get_sv ("!", 1))) |
| 1038 |
return; |
| 1039 |
|
| 1040 |
if (!(mg = mg_find (sv, PERL_MAGIC_sv))) |
| 1041 |
return; |
| 1042 |
|
| 1043 |
if (mg->mg_virtual != &PL_vtbl_sv) |
| 1044 |
return; |
| 1045 |
|
| 1046 |
vtbl_errno = PL_vtbl_sv; |
| 1047 |
vtbl_errno.svt_get = errno_get; |
| 1048 |
mg->mg_virtual = &vtbl_errno; |
| 1049 |
} |
| 1050 |
|
| 1051 |
MODULE = BDB PACKAGE = BDB |
| 1052 |
|
| 1053 |
PROTOTYPES: ENABLE |
| 1054 |
|
| 1055 |
BOOT: |
| 1056 |
{ |
| 1057 |
HV *stash = gv_stashpv ("BDB", 1); |
| 1058 |
|
| 1059 |
static const struct { |
| 1060 |
const char *name; |
| 1061 |
IV iv; |
| 1062 |
} *civ, const_iv[] = { |
| 1063 |
#define const_iv(name) { # name, (IV)DB_ ## name }, |
| 1064 |
const_iv (RPCCLIENT) |
| 1065 |
const_iv (INIT_CDB) |
| 1066 |
const_iv (INIT_LOCK) |
| 1067 |
const_iv (INIT_LOG) |
| 1068 |
const_iv (INIT_MPOOL) |
| 1069 |
const_iv (INIT_REP) |
| 1070 |
const_iv (INIT_TXN) |
| 1071 |
const_iv (RECOVER) |
| 1072 |
const_iv (INIT_TXN) |
| 1073 |
const_iv (RECOVER_FATAL) |
| 1074 |
const_iv (CREATE) |
| 1075 |
const_iv (RDONLY) |
| 1076 |
const_iv (USE_ENVIRON) |
| 1077 |
const_iv (USE_ENVIRON_ROOT) |
| 1078 |
const_iv (LOCKDOWN) |
| 1079 |
const_iv (PRIVATE) |
| 1080 |
const_iv (REGISTER) |
| 1081 |
const_iv (SYSTEM_MEM) |
| 1082 |
const_iv (AUTO_COMMIT) |
| 1083 |
const_iv (CDB_ALLDB) |
| 1084 |
const_iv (DIRECT_DB) |
| 1085 |
const_iv (DSYNC_DB) |
| 1086 |
const_iv (NOLOCKING) |
| 1087 |
const_iv (NOMMAP) |
| 1088 |
const_iv (NOPANIC) |
| 1089 |
const_iv (OVERWRITE) |
| 1090 |
const_iv (PANIC_ENVIRONMENT) |
| 1091 |
const_iv (REGION_INIT) |
| 1092 |
const_iv (TIME_NOTGRANTED) |
| 1093 |
const_iv (TXN_NOSYNC) |
| 1094 |
const_iv (TXN_NOT_DURABLE) |
| 1095 |
const_iv (TXN_WRITE_NOSYNC) |
| 1096 |
const_iv (WRITECURSOR) |
| 1097 |
const_iv (YIELDCPU) |
| 1098 |
const_iv (ENCRYPT_AES) |
| 1099 |
const_iv (XA_CREATE) |
| 1100 |
const_iv (BTREE) |
| 1101 |
const_iv (HASH) |
| 1102 |
const_iv (QUEUE) |
| 1103 |
const_iv (RECNO) |
| 1104 |
const_iv (UNKNOWN) |
| 1105 |
const_iv (EXCL) |
| 1106 |
const_iv (READ_COMMITTED) |
| 1107 |
const_iv (READ_UNCOMMITTED) |
| 1108 |
const_iv (TRUNCATE) |
| 1109 |
const_iv (NOSYNC) |
| 1110 |
const_iv (CHKSUM) |
| 1111 |
const_iv (ENCRYPT) |
| 1112 |
const_iv (DUP) |
| 1113 |
const_iv (DUPSORT) |
| 1114 |
const_iv (RECNUM) |
| 1115 |
const_iv (RENUMBER) |
| 1116 |
const_iv (REVSPLITOFF) |
| 1117 |
const_iv (INORDER) |
| 1118 |
const_iv (CONSUME) |
| 1119 |
const_iv (CONSUME_WAIT) |
| 1120 |
const_iv (GET_BOTH) |
| 1121 |
const_iv (GET_BOTH_RANGE) |
| 1122 |
//const_iv (SET_RECNO) |
| 1123 |
//const_iv (MULTIPLE) |
| 1124 |
const_iv (SNAPSHOT) |
| 1125 |
const_iv (JOIN_ITEM) |
| 1126 |
const_iv (JOIN_NOSORT) |
| 1127 |
const_iv (RMW) |
| 1128 |
|
| 1129 |
const_iv (NOTFOUND) |
| 1130 |
const_iv (KEYEMPTY) |
| 1131 |
const_iv (LOCK_DEADLOCK) |
| 1132 |
const_iv (LOCK_NOTGRANTED) |
| 1133 |
const_iv (RUNRECOVERY) |
| 1134 |
const_iv (OLD_VERSION) |
| 1135 |
const_iv (REP_HANDLE_DEAD) |
| 1136 |
const_iv (REP_LOCKOUT) |
| 1137 |
const_iv (SECONDARY_BAD) |
| 1138 |
|
| 1139 |
const_iv (FREE_SPACE) |
| 1140 |
const_iv (FREELIST_ONLY) |
| 1141 |
|
| 1142 |
const_iv (APPEND) |
| 1143 |
const_iv (NODUPDATA) |
| 1144 |
const_iv (NOOVERWRITE) |
| 1145 |
|
| 1146 |
const_iv (TXN_NOWAIT) |
| 1147 |
const_iv (TXN_SYNC) |
| 1148 |
|
| 1149 |
const_iv (SET_LOCK_TIMEOUT) |
| 1150 |
const_iv (SET_TXN_TIMEOUT) |
| 1151 |
|
| 1152 |
const_iv (FIRST) |
| 1153 |
const_iv (NEXT) |
| 1154 |
const_iv (NEXT_DUP) |
| 1155 |
const_iv (NEXT_NODUP) |
| 1156 |
const_iv (PREV) |
| 1157 |
const_iv (PREV_NODUP) |
| 1158 |
const_iv (SET) |
| 1159 |
const_iv (SET_RANGE) |
| 1160 |
const_iv (LAST) |
| 1161 |
const_iv (BEFORE) |
| 1162 |
const_iv (AFTER) |
| 1163 |
const_iv (CURRENT) |
| 1164 |
const_iv (KEYFIRST) |
| 1165 |
const_iv (KEYLAST) |
| 1166 |
const_iv (NODUPDATA) |
| 1167 |
|
| 1168 |
const_iv (FORCE) |
| 1169 |
|
| 1170 |
const_iv (LOCK_DEFAULT) |
| 1171 |
const_iv (LOCK_EXPIRE) |
| 1172 |
const_iv (LOCK_MAXLOCKS) |
| 1173 |
const_iv (LOCK_MAXWRITE) |
| 1174 |
const_iv (LOCK_MINLOCKS) |
| 1175 |
const_iv (LOCK_MINWRITE) |
| 1176 |
const_iv (LOCK_OLDEST) |
| 1177 |
const_iv (LOCK_RANDOM) |
| 1178 |
const_iv (LOCK_YOUNGEST) |
| 1179 |
|
| 1180 |
const_iv (SEQ_DEC) |
| 1181 |
const_iv (SEQ_INC) |
| 1182 |
const_iv (SEQ_WRAP) |
| 1183 |
|
| 1184 |
const_iv (BUFFER_SMALL) |
| 1185 |
const_iv (DONOTINDEX) |
| 1186 |
const_iv (KEYEMPTY ) |
| 1187 |
const_iv (KEYEXIST ) |
| 1188 |
const_iv (LOCK_DEADLOCK) |
| 1189 |
const_iv (LOCK_NOTGRANTED) |
| 1190 |
const_iv (LOG_BUFFER_FULL) |
| 1191 |
const_iv (NOSERVER) |
| 1192 |
const_iv (NOSERVER_HOME) |
| 1193 |
const_iv (NOSERVER_ID) |
| 1194 |
const_iv (NOTFOUND) |
| 1195 |
const_iv (PAGE_NOTFOUND) |
| 1196 |
const_iv (REP_DUPMASTER) |
| 1197 |
const_iv (REP_HANDLE_DEAD) |
| 1198 |
const_iv (REP_HOLDELECTION) |
| 1199 |
const_iv (REP_IGNORE) |
| 1200 |
const_iv (REP_ISPERM) |
| 1201 |
const_iv (REP_JOIN_FAILURE) |
| 1202 |
const_iv (REP_LOCKOUT) |
| 1203 |
const_iv (REP_NEWMASTER) |
| 1204 |
const_iv (REP_NEWSITE) |
| 1205 |
const_iv (REP_NOTPERM) |
| 1206 |
const_iv (REP_UNAVAIL) |
| 1207 |
const_iv (RUNRECOVERY) |
| 1208 |
const_iv (SECONDARY_BAD) |
| 1209 |
const_iv (VERIFY_BAD) |
| 1210 |
const_iv (VERSION_MISMATCH) |
| 1211 |
|
| 1212 |
const_iv (VERB_DEADLOCK) |
| 1213 |
const_iv (VERB_RECOVERY) |
| 1214 |
const_iv (VERB_REGISTER) |
| 1215 |
const_iv (VERB_REPLICATION) |
| 1216 |
const_iv (VERB_WAITSFOR) |
| 1217 |
|
| 1218 |
const_iv (VERSION_MAJOR) |
| 1219 |
const_iv (VERSION_MINOR) |
| 1220 |
const_iv (VERSION_PATCH) |
| 1221 |
#if DB_VERSION_MINOR >= 5 |
| 1222 |
const_iv (MULTIVERSION) |
| 1223 |
const_iv (TXN_SNAPSHOT) |
| 1224 |
#endif |
| 1225 |
#if DB_VERSION_MINOR >= 6 |
| 1226 |
const_iv (PREV_DUP) |
| 1227 |
const_iv (PRIORITY_UNCHANGED) |
| 1228 |
const_iv (PRIORITY_VERY_LOW) |
| 1229 |
const_iv (PRIORITY_LOW) |
| 1230 |
const_iv (PRIORITY_DEFAULT) |
| 1231 |
const_iv (PRIORITY_HIGH) |
| 1232 |
const_iv (PRIORITY_VERY_HIGH) |
| 1233 |
#endif |
| 1234 |
#if DB_VERSION_MINOR >= 7 |
| 1235 |
const_iv (LOG_DIRECT) |
| 1236 |
const_iv (LOG_DSYNC) |
| 1237 |
const_iv (LOG_AUTO_REMOVE) |
| 1238 |
const_iv (LOG_IN_MEMORY) |
| 1239 |
const_iv (LOG_ZERO) |
| 1240 |
#else |
| 1241 |
const_iv (DIRECT_LOG) |
| 1242 |
const_iv (DSYNC_LOG) |
| 1243 |
const_iv (LOG_AUTOREMOVE) |
| 1244 |
const_iv (LOG_INMEMORY) |
| 1245 |
#endif |
| 1246 |
}; |
| 1247 |
|
| 1248 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
| 1249 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
| 1250 |
|
| 1251 |
newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); |
| 1252 |
newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
| 1253 |
|
| 1254 |
create_respipe (); |
| 1255 |
|
| 1256 |
X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
| 1257 |
patch_errno (); |
| 1258 |
} |
| 1259 |
|
| 1260 |
void |
| 1261 |
max_poll_reqs (int nreqs) |
| 1262 |
PROTOTYPE: $ |
| 1263 |
CODE: |
| 1264 |
max_poll_reqs = nreqs; |
| 1265 |
|
| 1266 |
void |
| 1267 |
max_poll_time (double nseconds) |
| 1268 |
PROTOTYPE: $ |
| 1269 |
CODE: |
| 1270 |
max_poll_time = nseconds * AIO_TICKS; |
| 1271 |
|
| 1272 |
void |
| 1273 |
min_parallel (int nthreads) |
| 1274 |
PROTOTYPE: $ |
| 1275 |
|
| 1276 |
void |
| 1277 |
max_parallel (int nthreads) |
| 1278 |
PROTOTYPE: $ |
| 1279 |
|
| 1280 |
void |
| 1281 |
max_idle (int nthreads) |
| 1282 |
PROTOTYPE: $ |
| 1283 |
CODE: |
| 1284 |
set_max_idle (nthreads); |
| 1285 |
|
| 1286 |
int |
| 1287 |
max_outstanding (int maxreqs) |
| 1288 |
PROTOTYPE: $ |
| 1289 |
CODE: |
| 1290 |
RETVAL = max_outstanding; |
| 1291 |
max_outstanding = maxreqs; |
| 1292 |
OUTPUT: |
| 1293 |
RETVAL |
| 1294 |
|
| 1295 |
int |
| 1296 |
dbreq_pri (int pri = 0) |
| 1297 |
PROTOTYPE: ;$ |
| 1298 |
CODE: |
| 1299 |
RETVAL = next_pri - PRI_BIAS; |
| 1300 |
if (items > 0) |
| 1301 |
{ |
| 1302 |
if (pri < PRI_MIN) pri = PRI_MIN; |
| 1303 |
if (pri > PRI_MAX) pri = PRI_MAX; |
| 1304 |
next_pri = pri + PRI_BIAS; |
| 1305 |
} |
| 1306 |
OUTPUT: |
| 1307 |
RETVAL |
| 1308 |
|
| 1309 |
void |
| 1310 |
dbreq_nice (int nice = 0) |
| 1311 |
CODE: |
| 1312 |
nice = next_pri - nice; |
| 1313 |
if (nice < PRI_MIN) nice = PRI_MIN; |
| 1314 |
if (nice > PRI_MAX) nice = PRI_MAX; |
| 1315 |
next_pri = nice + PRI_BIAS; |
| 1316 |
|
| 1317 |
void |
| 1318 |
flush () |
| 1319 |
PROTOTYPE: |
| 1320 |
CODE: |
| 1321 |
while (nreqs) |
| 1322 |
{ |
| 1323 |
poll_wait (); |
| 1324 |
poll_cb (); |
| 1325 |
} |
| 1326 |
|
| 1327 |
int |
| 1328 |
poll () |
| 1329 |
PROTOTYPE: |
| 1330 |
CODE: |
| 1331 |
poll_wait (); |
| 1332 |
RETVAL = poll_cb (); |
| 1333 |
OUTPUT: |
| 1334 |
RETVAL |
| 1335 |
|
| 1336 |
int |
| 1337 |
poll_fileno () |
| 1338 |
PROTOTYPE: |
| 1339 |
CODE: |
| 1340 |
RETVAL = respipe [0]; |
| 1341 |
OUTPUT: |
| 1342 |
RETVAL |
| 1343 |
|
| 1344 |
int |
| 1345 |
poll_cb (...) |
| 1346 |
PROTOTYPE: |
| 1347 |
CODE: |
| 1348 |
RETVAL = poll_cb (); |
| 1349 |
OUTPUT: |
| 1350 |
RETVAL |
| 1351 |
|
| 1352 |
void |
| 1353 |
poll_wait () |
| 1354 |
PROTOTYPE: |
| 1355 |
CODE: |
| 1356 |
poll_wait (); |
| 1357 |
|
| 1358 |
int |
| 1359 |
nreqs () |
| 1360 |
PROTOTYPE: |
| 1361 |
CODE: |
| 1362 |
RETVAL = nreqs; |
| 1363 |
OUTPUT: |
| 1364 |
RETVAL |
| 1365 |
|
| 1366 |
int |
| 1367 |
nready () |
| 1368 |
PROTOTYPE: |
| 1369 |
CODE: |
| 1370 |
RETVAL = get_nready (); |
| 1371 |
OUTPUT: |
| 1372 |
RETVAL |
| 1373 |
|
| 1374 |
int |
| 1375 |
npending () |
| 1376 |
PROTOTYPE: |
| 1377 |
CODE: |
| 1378 |
RETVAL = get_npending (); |
| 1379 |
OUTPUT: |
| 1380 |
RETVAL |
| 1381 |
|
| 1382 |
int |
| 1383 |
nthreads () |
| 1384 |
PROTOTYPE: |
| 1385 |
CODE: |
| 1386 |
if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
| 1387 |
RETVAL = started; |
| 1388 |
if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
| 1389 |
OUTPUT: |
| 1390 |
RETVAL |
| 1391 |
|
| 1392 |
void |
| 1393 |
set_sync_prepare (SV *cb) |
| 1394 |
PROTOTYPE: & |
| 1395 |
CODE: |
| 1396 |
SvREFCNT_dec (prepare_cb); |
| 1397 |
prepare_cb = newSVsv (cb); |
| 1398 |
|
| 1399 |
char * |
| 1400 |
strerror (int errorno = errno) |
| 1401 |
PROTOTYPE: ;$ |
| 1402 |
CODE: |
| 1403 |
RETVAL = db_strerror (errorno); |
| 1404 |
OUTPUT: |
| 1405 |
RETVAL |
| 1406 |
|
| 1407 |
void _on_next_submit (SV *cb) |
| 1408 |
CODE: |
| 1409 |
SvREFCNT_dec (on_next_submit); |
| 1410 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
| 1411 |
|
| 1412 |
DB_ENV * |
| 1413 |
db_env_create (U32 env_flags = 0) |
| 1414 |
CODE: |
| 1415 |
{ |
| 1416 |
errno = db_env_create (&RETVAL, env_flags); |
| 1417 |
if (errno) |
| 1418 |
croak ("db_env_create: %s", db_strerror (errno)); |
| 1419 |
|
| 1420 |
if (0) |
| 1421 |
{ |
| 1422 |
RETVAL->set_errcall (RETVAL, debug_errcall); |
| 1423 |
RETVAL->set_msgcall (RETVAL, debug_msgcall); |
| 1424 |
} |
| 1425 |
} |
| 1426 |
OUTPUT: |
| 1427 |
RETVAL |
| 1428 |
|
| 1429 |
void |
| 1430 |
db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
| 1431 |
CODE: |
| 1432 |
{ |
| 1433 |
dREQ (REQ_ENV_OPEN); |
| 1434 |
|
| 1435 |
req->env = env; |
| 1436 |
req->uint1 = open_flags | DB_THREAD; |
| 1437 |
req->int1 = mode; |
| 1438 |
req->buf1 = strdup_ornull (db_home); |
| 1439 |
REQ_SEND; |
| 1440 |
} |
| 1441 |
|
| 1442 |
void |
| 1443 |
db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1444 |
CODE: |
| 1445 |
{ |
| 1446 |
dREQ (REQ_ENV_CLOSE); |
| 1447 |
req->env = env; |
| 1448 |
req->uint1 = flags; |
| 1449 |
REQ_SEND; |
| 1450 |
ptr_nuke (ST (0)); |
| 1451 |
} |
| 1452 |
|
| 1453 |
void |
| 1454 |
db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1455 |
CODE: |
| 1456 |
{ |
| 1457 |
dREQ (REQ_ENV_TXN_CHECKPOINT); |
| 1458 |
req->env = env; |
| 1459 |
req->uint1 = kbyte; |
| 1460 |
req->int1 = min; |
| 1461 |
req->uint2 = flags; |
| 1462 |
REQ_SEND; |
| 1463 |
} |
| 1464 |
|
| 1465 |
void |
| 1466 |
db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef) |
| 1467 |
CODE: |
| 1468 |
{ |
| 1469 |
dREQ (REQ_ENV_LOCK_DETECT); |
| 1470 |
req->env = env; |
| 1471 |
req->uint1 = flags; |
| 1472 |
req->uint2 = atype; |
| 1473 |
REQ_SEND; |
| 1474 |
} |
| 1475 |
|
| 1476 |
void |
| 1477 |
db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef) |
| 1478 |
CODE: |
| 1479 |
{ |
| 1480 |
dREQ (REQ_ENV_MEMP_SYNC); |
| 1481 |
req->env = env; |
| 1482 |
REQ_SEND; |
| 1483 |
} |
| 1484 |
|
| 1485 |
void |
| 1486 |
db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef) |
| 1487 |
CODE: |
| 1488 |
{ |
| 1489 |
dREQ (REQ_ENV_MEMP_TRICKLE); |
| 1490 |
req->env = env; |
| 1491 |
req->int1 = percent; |
| 1492 |
REQ_SEND; |
| 1493 |
} |
| 1494 |
|
| 1495 |
void |
| 1496 |
db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1497 |
CODE: |
| 1498 |
{ |
| 1499 |
dREQ (REQ_ENV_DBREMOVE); |
| 1500 |
req->env = env; |
| 1501 |
req->buf1 = strdup_ornull (file); |
| 1502 |
req->buf2 = strdup_ornull (database); |
| 1503 |
req->uint1 = flags; |
| 1504 |
REQ_SEND; |
| 1505 |
} |
| 1506 |
|
| 1507 |
void |
| 1508 |
db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1509 |
CODE: |
| 1510 |
{ |
| 1511 |
dREQ (REQ_ENV_DBRENAME); |
| 1512 |
req->env = env; |
| 1513 |
req->buf1 = strdup_ornull (file); |
| 1514 |
req->buf2 = strdup_ornull (database); |
| 1515 |
req->buf3 = strdup_ornull (newname); |
| 1516 |
req->uint1 = flags; |
| 1517 |
REQ_SEND; |
| 1518 |
} |
| 1519 |
|
| 1520 |
DB * |
| 1521 |
db_create (DB_ENV *env = 0, U32 flags = 0) |
| 1522 |
CODE: |
| 1523 |
{ |
| 1524 |
errno = db_create (&RETVAL, env, flags); |
| 1525 |
if (errno) |
| 1526 |
croak ("db_create: %s", db_strerror (errno)); |
| 1527 |
|
| 1528 |
if (RETVAL) |
| 1529 |
RETVAL->app_private = (void *)newSVsv (ST (0)); |
| 1530 |
} |
| 1531 |
OUTPUT: |
| 1532 |
RETVAL |
| 1533 |
|
| 1534 |
void |
| 1535 |
db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) |
| 1536 |
CODE: |
| 1537 |
{ |
| 1538 |
dREQ (REQ_DB_OPEN); |
| 1539 |
req->db = db; |
| 1540 |
req->txn = txnid; |
| 1541 |
req->buf1 = strdup_ornull (file); |
| 1542 |
req->buf2 = strdup_ornull (database); |
| 1543 |
req->int1 = type; |
| 1544 |
req->uint1 = flags | DB_THREAD; |
| 1545 |
req->int2 = mode; |
| 1546 |
REQ_SEND; |
| 1547 |
} |
| 1548 |
|
| 1549 |
void |
| 1550 |
db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1551 |
CODE: |
| 1552 |
{ |
| 1553 |
dREQ (REQ_DB_CLOSE); |
| 1554 |
req->db = db; |
| 1555 |
req->uint1 = flags; |
| 1556 |
req->sv1 = (SV *)db->app_private; |
| 1557 |
REQ_SEND; |
| 1558 |
ptr_nuke (ST (0)); |
| 1559 |
} |
| 1560 |
|
| 1561 |
void |
| 1562 |
db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef) |
| 1563 |
CODE: |
| 1564 |
{ |
| 1565 |
dREQ (REQ_DB_COMPACT); |
| 1566 |
req->db = db; |
| 1567 |
req->txn = txn; |
| 1568 |
sv_to_dbt (&req->dbt1, start); |
| 1569 |
sv_to_dbt (&req->dbt2, stop); |
| 1570 |
req->uint1 = flags; |
| 1571 |
REQ_SEND; |
| 1572 |
} |
| 1573 |
|
| 1574 |
void |
| 1575 |
db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1576 |
CODE: |
| 1577 |
{ |
| 1578 |
dREQ (REQ_DB_SYNC); |
| 1579 |
req->db = db; |
| 1580 |
req->uint1 = flags; |
| 1581 |
REQ_SEND; |
| 1582 |
} |
| 1583 |
|
| 1584 |
void |
| 1585 |
db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1586 |
CODE: |
| 1587 |
{ |
| 1588 |
dREQ (REQ_DB_SYNC); |
| 1589 |
req->db = db; |
| 1590 |
req->buf1 = strdup (file); |
| 1591 |
req->uint1 = flags; |
| 1592 |
REQ_SEND; |
| 1593 |
} |
| 1594 |
|
| 1595 |
void |
| 1596 |
db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1597 |
CODE: |
| 1598 |
{ |
| 1599 |
dREQ (REQ_DB_KEY_RANGE); |
| 1600 |
req->db = db; |
| 1601 |
req->txn = txn; |
| 1602 |
sv_to_dbt (&req->dbt1, key); |
| 1603 |
req->uint1 = flags; |
| 1604 |
req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range); |
| 1605 |
REQ_SEND; |
| 1606 |
} |
| 1607 |
|
| 1608 |
void |
| 1609 |
db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1610 |
CODE: |
| 1611 |
{ |
| 1612 |
dREQ (REQ_DB_PUT); |
| 1613 |
req->db = db; |
| 1614 |
req->txn = txn; |
| 1615 |
sv_to_dbt (&req->dbt1, key); |
| 1616 |
sv_to_dbt (&req->dbt2, data); |
| 1617 |
req->uint1 = flags; |
| 1618 |
REQ_SEND; |
| 1619 |
} |
| 1620 |
|
| 1621 |
void |
| 1622 |
db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1623 |
CODE: |
| 1624 |
if (SvREADONLY (data)) |
| 1625 |
croak ("can't modify read-only data scalar in db_get"); |
| 1626 |
{ |
| 1627 |
dREQ (REQ_DB_GET); |
| 1628 |
req->db = db; |
| 1629 |
req->txn = txn; |
| 1630 |
req->uint1 = flags; |
| 1631 |
sv_to_dbt (&req->dbt1, key); |
| 1632 |
req->dbt3.flags = DB_DBT_MALLOC; |
| 1633 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
| 1634 |
REQ_SEND; |
| 1635 |
} |
| 1636 |
|
| 1637 |
void |
| 1638 |
db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1639 |
CODE: |
| 1640 |
if (SvREADONLY (data)) |
| 1641 |
croak ("can't modify read-only data scalar in db_pget"); |
| 1642 |
{ |
| 1643 |
dREQ (REQ_DB_PGET); |
| 1644 |
req->db = db; |
| 1645 |
req->txn = txn; |
| 1646 |
req->uint1 = flags; |
| 1647 |
sv_to_dbt (&req->dbt1, key); |
| 1648 |
sv_to_dbt (&req->dbt2, pkey); |
| 1649 |
req->dbt3.flags = DB_DBT_MALLOC; |
| 1650 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
| 1651 |
REQ_SEND; |
| 1652 |
} |
| 1653 |
|
| 1654 |
void |
| 1655 |
db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1656 |
CODE: |
| 1657 |
{ |
| 1658 |
dREQ (REQ_DB_DEL); |
| 1659 |
req->db = db; |
| 1660 |
req->txn = txn; |
| 1661 |
req->uint1 = flags; |
| 1662 |
sv_to_dbt (&req->dbt1, key); |
| 1663 |
REQ_SEND; |
| 1664 |
} |
| 1665 |
|
| 1666 |
void |
| 1667 |
db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1668 |
CODE: |
| 1669 |
{ |
| 1670 |
dREQ (REQ_TXN_COMMIT); |
| 1671 |
req->txn = txn; |
| 1672 |
req->uint1 = flags; |
| 1673 |
REQ_SEND; |
| 1674 |
ptr_nuke (ST (0)); |
| 1675 |
} |
| 1676 |
|
| 1677 |
void |
| 1678 |
db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef) |
| 1679 |
CODE: |
| 1680 |
{ |
| 1681 |
dREQ (REQ_TXN_ABORT); |
| 1682 |
req->txn = txn; |
| 1683 |
REQ_SEND; |
| 1684 |
ptr_nuke (ST (0)); |
| 1685 |
} |
| 1686 |
|
| 1687 |
void |
| 1688 |
db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1689 |
CODE: |
| 1690 |
{ |
| 1691 |
dREQ (REQ_TXN_FINISH); |
| 1692 |
req->txn = txn; |
| 1693 |
req->uint1 = flags; |
| 1694 |
REQ_SEND; |
| 1695 |
ptr_nuke (ST (0)); |
| 1696 |
} |
| 1697 |
|
| 1698 |
void |
| 1699 |
db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) |
| 1700 |
CODE: |
| 1701 |
{ |
| 1702 |
dREQ (REQ_C_CLOSE); |
| 1703 |
req->dbc = dbc; |
| 1704 |
REQ_SEND; |
| 1705 |
ptr_nuke (ST (0)); |
| 1706 |
} |
| 1707 |
|
| 1708 |
void |
| 1709 |
db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1710 |
CODE: |
| 1711 |
{ |
| 1712 |
dREQ (REQ_C_COUNT); |
| 1713 |
req->dbc = dbc; |
| 1714 |
req->sv1 = SvREFCNT_inc (count); |
| 1715 |
REQ_SEND; |
| 1716 |
} |
| 1717 |
|
| 1718 |
void |
| 1719 |
db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1720 |
CODE: |
| 1721 |
{ |
| 1722 |
dREQ (REQ_C_PUT); |
| 1723 |
req->dbc = dbc; |
| 1724 |
sv_to_dbt (&req->dbt1, key); |
| 1725 |
sv_to_dbt (&req->dbt2, data); |
| 1726 |
req->uint1 = flags; |
| 1727 |
REQ_SEND; |
| 1728 |
} |
| 1729 |
|
| 1730 |
void |
| 1731 |
db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1732 |
CODE: |
| 1733 |
{ |
| 1734 |
dREQ (REQ_C_GET); |
| 1735 |
req->dbc = dbc; |
| 1736 |
req->uint1 = flags; |
| 1737 |
if ((flags & DB_SET) == DB_SET |
| 1738 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
| 1739 |
sv_to_dbt (&req->dbt1, key); |
| 1740 |
else |
| 1741 |
req->dbt1.flags = DB_DBT_MALLOC; |
| 1742 |
|
| 1743 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
| 1744 |
|
| 1745 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
| 1746 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
| 1747 |
sv_to_dbt (&req->dbt3, data); |
| 1748 |
else |
| 1749 |
req->dbt3.flags = DB_DBT_MALLOC; |
| 1750 |
|
| 1751 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
| 1752 |
REQ_SEND; |
| 1753 |
} |
| 1754 |
|
| 1755 |
void |
| 1756 |
db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1757 |
CODE: |
| 1758 |
{ |
| 1759 |
dREQ (REQ_C_PGET); |
| 1760 |
req->dbc = dbc; |
| 1761 |
req->uint1 = flags; |
| 1762 |
if ((flags & DB_SET) == DB_SET |
| 1763 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
| 1764 |
sv_to_dbt (&req->dbt1, key); |
| 1765 |
else |
| 1766 |
req->dbt1.flags = DB_DBT_MALLOC; |
| 1767 |
|
| 1768 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
| 1769 |
|
| 1770 |
req->dbt2.flags = DB_DBT_MALLOC; |
| 1771 |
req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey); |
| 1772 |
|
| 1773 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
| 1774 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
| 1775 |
sv_to_dbt (&req->dbt3, data); |
| 1776 |
else |
| 1777 |
req->dbt3.flags = DB_DBT_MALLOC; |
| 1778 |
|
| 1779 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
| 1780 |
REQ_SEND; |
| 1781 |
} |
| 1782 |
|
| 1783 |
void |
| 1784 |
db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1785 |
CODE: |
| 1786 |
{ |
| 1787 |
dREQ (REQ_C_DEL); |
| 1788 |
req->dbc = dbc; |
| 1789 |
req->uint1 = flags; |
| 1790 |
REQ_SEND; |
| 1791 |
} |
| 1792 |
|
| 1793 |
|
| 1794 |
void |
| 1795 |
db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1796 |
CODE: |
| 1797 |
{ |
| 1798 |
dREQ (REQ_SEQ_OPEN); |
| 1799 |
req->seq = seq; |
| 1800 |
req->txn = txnid; |
| 1801 |
req->uint1 = flags | DB_THREAD; |
| 1802 |
sv_to_dbt (&req->dbt1, key); |
| 1803 |
REQ_SEND; |
| 1804 |
} |
| 1805 |
|
| 1806 |
void |
| 1807 |
db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1808 |
CODE: |
| 1809 |
{ |
| 1810 |
dREQ (REQ_SEQ_CLOSE); |
| 1811 |
req->seq = seq; |
| 1812 |
req->uint1 = flags; |
| 1813 |
REQ_SEND; |
| 1814 |
ptr_nuke (ST (0)); |
| 1815 |
} |
| 1816 |
|
| 1817 |
void |
| 1818 |
db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef) |
| 1819 |
CODE: |
| 1820 |
{ |
| 1821 |
dREQ (REQ_SEQ_GET); |
| 1822 |
req->seq = seq; |
| 1823 |
req->txn = txnid; |
| 1824 |
req->int1 = delta; |
| 1825 |
req->uint1 = flags; |
| 1826 |
req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value); |
| 1827 |
REQ_SEND; |
| 1828 |
} |
| 1829 |
|
| 1830 |
void |
| 1831 |
db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
| 1832 |
CODE: |
| 1833 |
{ |
| 1834 |
dREQ (REQ_SEQ_REMOVE); |
| 1835 |
req->seq = seq; |
| 1836 |
req->txn = txnid; |
| 1837 |
req->uint1 = flags; |
| 1838 |
REQ_SEND; |
| 1839 |
} |
| 1840 |
|
| 1841 |
|
| 1842 |
MODULE = BDB PACKAGE = BDB::Env |
| 1843 |
|
| 1844 |
void |
| 1845 |
DESTROY (DB_ENV_ornuked *env) |
| 1846 |
CODE: |
| 1847 |
if (env) |
| 1848 |
env->close (env, 0); |
| 1849 |
|
| 1850 |
int set_data_dir (DB_ENV *env, const char *dir) |
| 1851 |
CODE: |
| 1852 |
RETVAL = env->set_data_dir (env, dir); |
| 1853 |
OUTPUT: |
| 1854 |
RETVAL |
| 1855 |
|
| 1856 |
int set_tmp_dir (DB_ENV *env, const char *dir) |
| 1857 |
CODE: |
| 1858 |
RETVAL = env->set_tmp_dir (env, dir); |
| 1859 |
OUTPUT: |
| 1860 |
RETVAL |
| 1861 |
|
| 1862 |
int set_lg_dir (DB_ENV *env, const char *dir) |
| 1863 |
CODE: |
| 1864 |
RETVAL = env->set_lg_dir (env, dir); |
| 1865 |
OUTPUT: |
| 1866 |
RETVAL |
| 1867 |
|
| 1868 |
int set_shm_key (DB_ENV *env, long shm_key) |
| 1869 |
CODE: |
| 1870 |
RETVAL = env->set_shm_key (env, shm_key); |
| 1871 |
OUTPUT: |
| 1872 |
RETVAL |
| 1873 |
|
| 1874 |
int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) |
| 1875 |
CODE: |
| 1876 |
RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); |
| 1877 |
OUTPUT: |
| 1878 |
RETVAL |
| 1879 |
|
| 1880 |
int set_flags (DB_ENV *env, U32 flags, int onoff = 1) |
| 1881 |
CODE: |
| 1882 |
RETVAL = env->set_flags (env, flags, onoff); |
| 1883 |
OUTPUT: |
| 1884 |
RETVAL |
| 1885 |
|
| 1886 |
#if DB_VERSION_MINOR >= 7 |
| 1887 |
|
| 1888 |
int set_intermediate_dir_mode (DB_ENV *env, const char *mode) |
| 1889 |
CODE: |
| 1890 |
RETVAL = env->set_intermediate_dir_mode (env, mode); |
| 1891 |
OUTPUT: |
| 1892 |
RETVAL |
| 1893 |
|
| 1894 |
int log_set_config (DB_ENV *env, U32 flags, int onoff = 1) |
| 1895 |
CODE: |
| 1896 |
RETVAL = env->log_set_config (env, flags, onoff); |
| 1897 |
OUTPUT: |
| 1898 |
RETVAL |
| 1899 |
|
| 1900 |
#endif |
| 1901 |
|
| 1902 |
|
| 1903 |
void set_errfile (DB_ENV *env, FILE *errfile = 0) |
| 1904 |
CODE: |
| 1905 |
env->set_errfile (env, errfile); |
| 1906 |
|
| 1907 |
void set_msgfile (DB_ENV *env, FILE *msgfile = 0) |
| 1908 |
CODE: |
| 1909 |
env->set_msgfile (env, msgfile); |
| 1910 |
|
| 1911 |
int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1) |
| 1912 |
CODE: |
| 1913 |
RETVAL = env->set_verbose (env, which, onoff); |
| 1914 |
OUTPUT: |
| 1915 |
RETVAL |
| 1916 |
|
| 1917 |
int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
| 1918 |
CODE: |
| 1919 |
RETVAL = env->set_encrypt (env, password, flags); |
| 1920 |
OUTPUT: |
| 1921 |
RETVAL |
| 1922 |
|
| 1923 |
int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
| 1924 |
CODE: |
| 1925 |
RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
| 1926 |
OUTPUT: |
| 1927 |
RETVAL |
| 1928 |
|
| 1929 |
int set_mp_max_openfd (DB_ENV *env, int maxopenfd); |
| 1930 |
CODE: |
| 1931 |
RETVAL = env->set_mp_max_openfd (env, maxopenfd); |
| 1932 |
OUTPUT: |
| 1933 |
RETVAL |
| 1934 |
|
| 1935 |
int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep); |
| 1936 |
CODE: |
| 1937 |
RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep); |
| 1938 |
OUTPUT: |
| 1939 |
RETVAL |
| 1940 |
|
| 1941 |
int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb) |
| 1942 |
CODE: |
| 1943 |
RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20); |
| 1944 |
OUTPUT: |
| 1945 |
RETVAL |
| 1946 |
|
| 1947 |
int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT) |
| 1948 |
CODE: |
| 1949 |
RETVAL = env->set_lk_detect (env, detect); |
| 1950 |
OUTPUT: |
| 1951 |
RETVAL |
| 1952 |
|
| 1953 |
int set_lk_max_lockers (DB_ENV *env, U32 max) |
| 1954 |
CODE: |
| 1955 |
RETVAL = env->set_lk_max_lockers (env, max); |
| 1956 |
OUTPUT: |
| 1957 |
RETVAL |
| 1958 |
|
| 1959 |
int set_lk_max_locks (DB_ENV *env, U32 max) |
| 1960 |
CODE: |
| 1961 |
RETVAL = env->set_lk_max_locks (env, max); |
| 1962 |
OUTPUT: |
| 1963 |
RETVAL |
| 1964 |
|
| 1965 |
int set_lk_max_objects (DB_ENV *env, U32 max) |
| 1966 |
CODE: |
| 1967 |
RETVAL = env->set_lk_max_objects (env, max); |
| 1968 |
OUTPUT: |
| 1969 |
RETVAL |
| 1970 |
|
| 1971 |
int set_lg_bsize (DB_ENV *env, U32 max) |
| 1972 |
CODE: |
| 1973 |
RETVAL = env->set_lg_bsize (env, max); |
| 1974 |
OUTPUT: |
| 1975 |
RETVAL |
| 1976 |
|
| 1977 |
int set_lg_max (DB_ENV *env, U32 max) |
| 1978 |
CODE: |
| 1979 |
RETVAL = env->set_lg_max (env, max); |
| 1980 |
OUTPUT: |
| 1981 |
RETVAL |
| 1982 |
|
| 1983 |
int mutex_set_max (DB_ENV *env, U32 max) |
| 1984 |
CODE: |
| 1985 |
RETVAL = env->mutex_set_max (env, max); |
| 1986 |
OUTPUT: |
| 1987 |
RETVAL |
| 1988 |
|
| 1989 |
int mutex_set_increment (DB_ENV *env, U32 increment) |
| 1990 |
CODE: |
| 1991 |
RETVAL = env->mutex_set_increment (env, increment); |
| 1992 |
OUTPUT: |
| 1993 |
RETVAL |
| 1994 |
|
| 1995 |
int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins) |
| 1996 |
CODE: |
| 1997 |
RETVAL = env->mutex_set_tas_spins (env, tas_spins); |
| 1998 |
OUTPUT: |
| 1999 |
RETVAL |
| 2000 |
|
| 2001 |
int mutex_set_align (DB_ENV *env, U32 align) |
| 2002 |
CODE: |
| 2003 |
RETVAL = env->mutex_set_align (env, align); |
| 2004 |
OUTPUT: |
| 2005 |
RETVAL |
| 2006 |
|
| 2007 |
DB_TXN * |
| 2008 |
txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) |
| 2009 |
CODE: |
| 2010 |
errno = env->txn_begin (env, parent, &RETVAL, flags); |
| 2011 |
if (errno) |
| 2012 |
croak ("DB_ENV->txn_begin: %s", db_strerror (errno)); |
| 2013 |
OUTPUT: |
| 2014 |
RETVAL |
| 2015 |
|
| 2016 |
MODULE = BDB PACKAGE = BDB::Db |
| 2017 |
|
| 2018 |
void |
| 2019 |
DESTROY (DB_ornuked *db) |
| 2020 |
CODE: |
| 2021 |
if (db) |
| 2022 |
{ |
| 2023 |
SV *env = (SV *)db->app_private; |
| 2024 |
db->close (db, 0); |
| 2025 |
SvREFCNT_dec (env); |
| 2026 |
} |
| 2027 |
|
| 2028 |
int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0) |
| 2029 |
CODE: |
| 2030 |
RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
| 2031 |
OUTPUT: |
| 2032 |
RETVAL |
| 2033 |
|
| 2034 |
int set_flags (DB *db, U32 flags) |
| 2035 |
CODE: |
| 2036 |
RETVAL = db->set_flags (db, flags); |
| 2037 |
OUTPUT: |
| 2038 |
RETVAL |
| 2039 |
|
| 2040 |
int set_encrypt (DB *db, const char *password, U32 flags) |
| 2041 |
CODE: |
| 2042 |
RETVAL = db->set_encrypt (db, password, flags); |
| 2043 |
OUTPUT: |
| 2044 |
RETVAL |
| 2045 |
|
| 2046 |
int set_lorder (DB *db, int lorder) |
| 2047 |
CODE: |
| 2048 |
RETVAL = db->set_lorder (db, lorder); |
| 2049 |
OUTPUT: |
| 2050 |
RETVAL |
| 2051 |
|
| 2052 |
int set_bt_minkey (DB *db, U32 minkey) |
| 2053 |
CODE: |
| 2054 |
RETVAL = db->set_bt_minkey (db, minkey); |
| 2055 |
OUTPUT: |
| 2056 |
RETVAL |
| 2057 |
|
| 2058 |
int set_re_delim (DB *db, int delim) |
| 2059 |
CODE: |
| 2060 |
RETVAL = db->set_re_delim (db, delim); |
| 2061 |
OUTPUT: |
| 2062 |
RETVAL |
| 2063 |
|
| 2064 |
int set_re_pad (DB *db, int re_pad) |
| 2065 |
CODE: |
| 2066 |
RETVAL = db->set_re_pad (db, re_pad); |
| 2067 |
OUTPUT: |
| 2068 |
RETVAL |
| 2069 |
|
| 2070 |
int set_re_source (DB *db, char *source) |
| 2071 |
CODE: |
| 2072 |
RETVAL = db->set_re_source (db, source); |
| 2073 |
OUTPUT: |
| 2074 |
RETVAL |
| 2075 |
|
| 2076 |
int set_re_len (DB *db, U32 re_len) |
| 2077 |
CODE: |
| 2078 |
RETVAL = db->set_re_len (db, re_len); |
| 2079 |
OUTPUT: |
| 2080 |
RETVAL |
| 2081 |
|
| 2082 |
int set_h_ffactor (DB *db, U32 h_ffactor) |
| 2083 |
CODE: |
| 2084 |
RETVAL = db->set_h_ffactor (db, h_ffactor); |
| 2085 |
OUTPUT: |
| 2086 |
RETVAL |
| 2087 |
|
| 2088 |
int set_h_nelem (DB *db, U32 h_nelem) |
| 2089 |
CODE: |
| 2090 |
RETVAL = db->set_h_nelem (db, h_nelem); |
| 2091 |
OUTPUT: |
| 2092 |
RETVAL |
| 2093 |
|
| 2094 |
int set_q_extentsize (DB *db, U32 extentsize) |
| 2095 |
CODE: |
| 2096 |
RETVAL = db->set_q_extentsize (db, extentsize); |
| 2097 |
OUTPUT: |
| 2098 |
RETVAL |
| 2099 |
|
| 2100 |
DBC * |
| 2101 |
cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0) |
| 2102 |
CODE: |
| 2103 |
errno = db->cursor (db, txn, &RETVAL, flags); |
| 2104 |
if (errno) |
| 2105 |
croak ("DB->cursor: %s", db_strerror (errno)); |
| 2106 |
OUTPUT: |
| 2107 |
RETVAL |
| 2108 |
|
| 2109 |
DB_SEQUENCE * |
| 2110 |
sequence (DB *db, U32 flags = 0) |
| 2111 |
CODE: |
| 2112 |
{ |
| 2113 |
errno = db_sequence_create (&RETVAL, db, flags); |
| 2114 |
if (errno) |
| 2115 |
croak ("db_sequence_create: %s", db_strerror (errno)); |
| 2116 |
} |
| 2117 |
OUTPUT: |
| 2118 |
RETVAL |
| 2119 |
|
| 2120 |
|
| 2121 |
MODULE = BDB PACKAGE = BDB::Txn |
| 2122 |
|
| 2123 |
void |
| 2124 |
DESTROY (DB_TXN_ornuked *txn) |
| 2125 |
CODE: |
| 2126 |
if (txn) |
| 2127 |
txn->abort (txn); |
| 2128 |
|
| 2129 |
int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
| 2130 |
CODE: |
| 2131 |
RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
| 2132 |
OUTPUT: |
| 2133 |
RETVAL |
| 2134 |
|
| 2135 |
int failed (DB_TXN *txn) |
| 2136 |
CODE: |
| 2137 |
RETVAL = !!(txn->flags & TXN_DEADLOCK); |
| 2138 |
OUTPUT: |
| 2139 |
RETVAL |
| 2140 |
|
| 2141 |
|
| 2142 |
MODULE = BDB PACKAGE = BDB::Cursor |
| 2143 |
|
| 2144 |
void |
| 2145 |
DESTROY (DBC_ornuked *dbc) |
| 2146 |
CODE: |
| 2147 |
if (dbc) |
| 2148 |
dbc->c_close (dbc); |
| 2149 |
|
| 2150 |
#if DB_VERSION_MINOR >= 6 |
| 2151 |
|
| 2152 |
int set_priority (DBC *dbc, int priority) |
| 2153 |
CODE: |
| 2154 |
dbc->set_priority (dbc, priority); |
| 2155 |
|
| 2156 |
#endif |
| 2157 |
|
| 2158 |
MODULE = BDB PACKAGE = BDB::Sequence |
| 2159 |
|
| 2160 |
void |
| 2161 |
DESTROY (DB_SEQUENCE_ornuked *seq) |
| 2162 |
CODE: |
| 2163 |
if (seq) |
| 2164 |
seq->close (seq, 0); |
| 2165 |
|
| 2166 |
int initial_value (DB_SEQUENCE *seq, db_seq_t value) |
| 2167 |
CODE: |
| 2168 |
RETVAL = seq->initial_value (seq, value); |
| 2169 |
OUTPUT: |
| 2170 |
RETVAL |
| 2171 |
|
| 2172 |
int set_cachesize (DB_SEQUENCE *seq, U32 size) |
| 2173 |
CODE: |
| 2174 |
RETVAL = seq->set_cachesize (seq, size); |
| 2175 |
OUTPUT: |
| 2176 |
RETVAL |
| 2177 |
|
| 2178 |
int set_flags (DB_SEQUENCE *seq, U32 flags) |
| 2179 |
CODE: |
| 2180 |
RETVAL = seq->set_flags (seq, flags); |
| 2181 |
OUTPUT: |
| 2182 |
RETVAL |
| 2183 |
|
| 2184 |
int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max) |
| 2185 |
CODE: |
| 2186 |
RETVAL = seq->set_range (seq, min, max); |
| 2187 |
OUTPUT: |
| 2188 |
RETVAL |
| 2189 |
|
| 2190 |
|
