… | |
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4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
8 | |
8 | |
|
|
9 | // perl stupidly defines these as macros, breaking |
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10 | // lots and lots of code. |
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11 | #undef open |
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|
12 | #undef close |
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|
13 | #undef abort |
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|
14 | #undef malloc |
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15 | #undef free |
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|
16 | #undef send |
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|
17 | |
9 | #include <stddef.h> |
18 | #include <stddef.h> |
10 | #include <stdlib.h> |
19 | #include <stdlib.h> |
11 | #include <errno.h> |
20 | #include <errno.h> |
12 | #include <sys/time.h> |
|
|
13 | #include <sys/types.h> |
21 | #include <sys/types.h> |
14 | #include <limits.h> |
22 | #include <limits.h> |
15 | #include <unistd.h> |
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|
16 | #include <fcntl.h> |
23 | #include <fcntl.h> |
17 | |
24 | |
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|
25 | #ifndef _WIN32 |
|
|
26 | # include <sys/time.h> |
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|
27 | # include <unistd.h> |
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|
28 | #endif |
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|
29 | |
18 | #include <db.h> |
30 | #include <db.h> |
19 | |
31 | |
20 | #if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5) |
32 | #if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4) |
21 | # error you need Berkeley DB 4.5 or newer installed |
33 | # error you need Berkeley DB 4.4 or newer installed |
22 | #endif |
34 | #endif |
23 | |
35 | |
24 | /* number of seconds after which idle threads exit */ |
36 | /* number of seconds after which idle threads exit */ |
25 | #define IDLE_TIMEOUT 10 |
37 | #define IDLE_TIMEOUT 10 |
26 | |
38 | |
… | |
… | |
33 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
45 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
34 | typedef char *octetstring; |
46 | typedef char *octetstring; |
35 | |
47 | |
36 | static SV *prepare_cb; |
48 | static SV *prepare_cb; |
37 | |
49 | |
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|
50 | static void |
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|
51 | debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg) |
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|
52 | { |
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53 | printf ("err[%s]\n", msg); |
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54 | } |
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55 | |
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|
56 | static void |
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|
57 | debug_msgcall (const DB_ENV *dbenv, const char *msg) |
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58 | { |
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59 | printf ("msg[%s]\n", msg); |
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60 | } |
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61 | |
38 | static inline char * |
62 | static char * |
39 | strdup_ornull (const char *s) |
63 | strdup_ornull (const char *s) |
40 | { |
64 | { |
41 | return s ? strdup (s) : 0; |
65 | return s ? strdup (s) : 0; |
42 | } |
66 | } |
43 | |
67 | |
44 | static inline void |
68 | static void |
45 | sv_to_dbt (DBT *dbt, SV *sv) |
69 | sv_to_dbt (DBT *dbt, SV *sv) |
46 | { |
70 | { |
47 | STRLEN len; |
71 | STRLEN len; |
48 | char *data = SvPVbyte (sv, len); |
72 | char *data = SvPVbyte (sv, len); |
49 | |
73 | |
… | |
… | |
51 | memcpy (dbt->data, data, len); |
75 | memcpy (dbt->data, data, len); |
52 | dbt->size = len; |
76 | dbt->size = len; |
53 | dbt->flags = DB_DBT_REALLOC; |
77 | dbt->flags = DB_DBT_REALLOC; |
54 | } |
78 | } |
55 | |
79 | |
56 | static inline void |
80 | static void |
57 | dbt_to_sv (SV *sv, DBT *dbt) |
81 | dbt_to_sv (SV *sv, DBT *dbt) |
58 | { |
82 | { |
59 | if (sv) |
83 | if (sv) |
60 | { |
84 | { |
61 | SvREADONLY_off (sv); |
85 | SvREADONLY_off (sv); |
… | |
… | |
157 | } |
181 | } |
158 | |
182 | |
159 | static volatile unsigned int nreqs, nready, npending; |
183 | static volatile unsigned int nreqs, nready, npending; |
160 | static volatile unsigned int max_idle = 4; |
184 | static volatile unsigned int max_idle = 4; |
161 | static volatile unsigned int max_outstanding = 0xffffffff; |
185 | static volatile unsigned int max_outstanding = 0xffffffff; |
162 | static int respipe [2]; |
186 | static int respipe [2], respipe_osf [2]; |
163 | |
187 | |
164 | static mutex_t reslock = X_MUTEX_INIT; |
188 | static mutex_t reslock = X_MUTEX_INIT; |
165 | static mutex_t reqlock = X_MUTEX_INIT; |
189 | static mutex_t reqlock = X_MUTEX_INIT; |
166 | static cond_t reqwait = X_COND_INIT; |
190 | static cond_t reqwait = X_COND_INIT; |
167 | |
191 | |
… | |
… | |
338 | free (req->buf1); |
362 | free (req->buf1); |
339 | free (req->buf2); |
363 | free (req->buf2); |
340 | Safefree (req); |
364 | Safefree (req); |
341 | } |
365 | } |
342 | |
366 | |
343 | static void *aio_proc (void *arg); |
367 | #ifdef USE_SOCKETS_AS_HANDLES |
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368 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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369 | #else |
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370 | # define TO_SOCKET(x) (x) |
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371 | #endif |
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372 | |
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373 | static void |
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374 | create_pipe (int fd[2]) |
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375 | { |
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376 | #ifdef _WIN32 |
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377 | int arg = 1; |
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378 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd) |
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379 | || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg) |
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380 | || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg)) |
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381 | #else |
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382 | if (pipe (fd) |
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383 | || fcntl (fd [0], F_SETFL, O_NONBLOCK) |
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384 | || fcntl (fd [1], F_SETFL, O_NONBLOCK)) |
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385 | #endif |
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386 | croak ("unable to initialize result pipe"); |
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387 | |
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388 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
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|
389 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
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|
390 | } |
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|
391 | |
|
|
392 | X_THREAD_PROC (bdb_proc); |
344 | |
393 | |
345 | static void start_thread (void) |
394 | static void start_thread (void) |
346 | { |
395 | { |
347 | worker *wrk = calloc (1, sizeof (worker)); |
396 | worker *wrk = calloc (1, sizeof (worker)); |
348 | |
397 | |
349 | if (!wrk) |
398 | if (!wrk) |
350 | croak ("unable to allocate worker thread data"); |
399 | croak ("unable to allocate worker thread data"); |
351 | |
400 | |
352 | X_LOCK (wrklock); |
401 | X_LOCK (wrklock); |
353 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
402 | if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
354 | { |
403 | { |
355 | wrk->prev = &wrk_first; |
404 | wrk->prev = &wrk_first; |
356 | wrk->next = wrk_first.next; |
405 | wrk->next = wrk_first.next; |
357 | wrk_first.next->prev = wrk; |
406 | wrk_first.next->prev = wrk; |
358 | wrk_first.next = wrk; |
407 | wrk_first.next = wrk; |
… | |
… | |
381 | SV *wait_callback = 0; |
430 | SV *wait_callback = 0; |
382 | |
431 | |
383 | // synthesize callback if none given |
432 | // synthesize callback if none given |
384 | if (!SvOK (req->callback)) |
433 | if (!SvOK (req->callback)) |
385 | { |
434 | { |
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|
435 | int count; |
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|
436 | |
386 | dSP; |
437 | dSP; |
387 | PUSHMARK (SP); |
438 | PUSHMARK (SP); |
388 | PUTBACK; |
439 | PUTBACK; |
389 | int count = call_sv (prepare_cb, G_ARRAY); |
440 | count = call_sv (prepare_cb, G_ARRAY); |
390 | SPAGAIN; |
441 | SPAGAIN; |
391 | |
442 | |
392 | if (count != 2) |
443 | if (count != 2) |
393 | croak ("prepare callback must return exactly two values\n"); |
444 | croak ("prepare callback must return exactly two values\n"); |
394 | |
445 | |
… | |
… | |
472 | if (size) |
523 | if (size) |
473 | return; |
524 | return; |
474 | |
525 | |
475 | maybe_start_thread (); |
526 | maybe_start_thread (); |
476 | |
527 | |
477 | FD_ZERO(&rfd); |
528 | FD_ZERO (&rfd); |
478 | FD_SET(respipe [0], &rfd); |
529 | FD_SET (respipe [0], &rfd); |
479 | |
530 | |
480 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
531 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
481 | } |
532 | } |
482 | } |
533 | } |
483 | |
534 | |
484 | static int poll_cb () |
535 | static int poll_cb () |
485 | { |
536 | { |
… | |
… | |
508 | |
559 | |
509 | if (!res_queue.size) |
560 | if (!res_queue.size) |
510 | { |
561 | { |
511 | /* read any signals sent by the worker threads */ |
562 | /* read any signals sent by the worker threads */ |
512 | char buf [4]; |
563 | char buf [4]; |
513 | while (read (respipe [0], buf, 4) == 4) |
564 | while (respipe_read (respipe [0], buf, 4) == 4) |
514 | ; |
565 | ; |
515 | } |
566 | } |
516 | } |
567 | } |
517 | |
568 | |
518 | X_UNLOCK (reslock); |
569 | X_UNLOCK (reslock); |
… | |
… | |
555 | return count; |
606 | return count; |
556 | } |
607 | } |
557 | |
608 | |
558 | /*****************************************************************************/ |
609 | /*****************************************************************************/ |
559 | |
610 | |
560 | static void *aio_proc (void *thr_arg) |
611 | X_THREAD_PROC (bdb_proc) |
561 | { |
612 | { |
562 | aio_req req; |
613 | aio_req req; |
563 | struct timespec ts; |
614 | struct timespec ts; |
564 | worker *self = (worker *)thr_arg; |
615 | worker *self = (worker *)thr_arg; |
565 | |
616 | |
566 | /* try to distribute timeouts somewhat evenly */ |
617 | /* try to distribute timeouts somewhat evenly */ |
567 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
618 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
568 | * (1000000000UL / 1024UL); |
|
|
569 | |
619 | |
570 | for (;;) |
620 | for (;;) |
571 | { |
621 | { |
572 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
622 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
573 | |
623 | |
… | |
… | |
733 | |
783 | |
734 | ++npending; |
784 | ++npending; |
735 | |
785 | |
736 | if (!reqq_push (&res_queue, req)) |
786 | if (!reqq_push (&res_queue, req)) |
737 | /* write a dummy byte to the pipe so fh becomes ready */ |
787 | /* write a dummy byte to the pipe so fh becomes ready */ |
738 | write (respipe [1], &respipe, 1); |
788 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
739 | |
789 | |
740 | self->req = 0; |
790 | self->req = 0; |
741 | worker_clear (self); |
791 | worker_clear (self); |
742 | |
792 | |
743 | X_UNLOCK (reslock); |
793 | X_UNLOCK (reslock); |
… | |
… | |
792 | idle = 0; |
842 | idle = 0; |
793 | nreqs = 0; |
843 | nreqs = 0; |
794 | nready = 0; |
844 | nready = 0; |
795 | npending = 0; |
845 | npending = 0; |
796 | |
846 | |
797 | close (respipe [0]); |
847 | respipe_close (respipe [0]); |
798 | close (respipe [1]); |
848 | respipe_close (respipe [1]); |
799 | |
849 | |
800 | if (!create_pipe (respipe)) |
850 | create_pipe (respipe); |
801 | croak ("unable to initialize result pipe"); |
|
|
802 | |
851 | |
803 | atfork_parent (); |
852 | atfork_parent (); |
804 | } |
853 | } |
805 | |
854 | |
806 | #define dREQ(reqtype) \ |
855 | #define dREQ(reqtype) \ |
… | |
… | |
885 | const_iv (DSYNC_DB) |
934 | const_iv (DSYNC_DB) |
886 | const_iv (DSYNC_LOG) |
935 | const_iv (DSYNC_LOG) |
887 | const_iv (LOG_AUTOREMOVE) |
936 | const_iv (LOG_AUTOREMOVE) |
888 | const_iv (LOG_INMEMORY) |
937 | const_iv (LOG_INMEMORY) |
889 | const_iv (NOLOCKING) |
938 | const_iv (NOLOCKING) |
890 | const_iv (MULTIVERSION) |
|
|
891 | const_iv (NOMMAP) |
939 | const_iv (NOMMAP) |
892 | const_iv (NOPANIC) |
940 | const_iv (NOPANIC) |
893 | const_iv (OVERWRITE) |
941 | const_iv (OVERWRITE) |
894 | const_iv (PANIC_ENVIRONMENT) |
942 | const_iv (PANIC_ENVIRONMENT) |
895 | const_iv (REGION_INIT) |
943 | const_iv (REGION_INIT) |
896 | const_iv (TIME_NOTGRANTED) |
944 | const_iv (TIME_NOTGRANTED) |
897 | const_iv (TXN_NOSYNC) |
945 | const_iv (TXN_NOSYNC) |
898 | const_iv (TXN_SNAPSHOT) |
|
|
899 | const_iv (TXN_WRITE_NOSYNC) |
946 | const_iv (TXN_WRITE_NOSYNC) |
900 | const_iv (WRITECURSOR) |
947 | const_iv (WRITECURSOR) |
901 | const_iv (YIELDCPU) |
948 | const_iv (YIELDCPU) |
902 | const_iv (ENCRYPT_AES) |
949 | const_iv (ENCRYPT_AES) |
903 | const_iv (XA_CREATE) |
950 | const_iv (XA_CREATE) |
… | |
… | |
946 | const_iv (APPEND) |
993 | const_iv (APPEND) |
947 | const_iv (NODUPDATA) |
994 | const_iv (NODUPDATA) |
948 | const_iv (NOOVERWRITE) |
995 | const_iv (NOOVERWRITE) |
949 | |
996 | |
950 | const_iv (TXN_NOWAIT) |
997 | const_iv (TXN_NOWAIT) |
951 | const_iv (TXN_SNAPSHOT) |
|
|
952 | const_iv (TXN_SYNC) |
998 | const_iv (TXN_SYNC) |
953 | |
999 | |
954 | const_iv (SET_LOCK_TIMEOUT) |
1000 | const_iv (SET_LOCK_TIMEOUT) |
955 | const_iv (SET_TXN_TIMEOUT) |
1001 | const_iv (SET_TXN_TIMEOUT) |
956 | |
1002 | |
… | |
… | |
984 | const_iv (LOCK_YOUNGEST) |
1030 | const_iv (LOCK_YOUNGEST) |
985 | |
1031 | |
986 | const_iv (SEQ_DEC) |
1032 | const_iv (SEQ_DEC) |
987 | const_iv (SEQ_INC) |
1033 | const_iv (SEQ_INC) |
988 | const_iv (SEQ_WRAP) |
1034 | const_iv (SEQ_WRAP) |
|
|
1035 | |
|
|
1036 | const_iv (BUFFER_SMALL) |
|
|
1037 | const_iv (DONOTINDEX) |
|
|
1038 | const_iv (KEYEMPTY ) |
|
|
1039 | const_iv (KEYEXIST ) |
|
|
1040 | const_iv (LOCK_DEADLOCK) |
|
|
1041 | const_iv (LOCK_NOTGRANTED) |
|
|
1042 | const_iv (LOG_BUFFER_FULL) |
|
|
1043 | const_iv (NOSERVER) |
|
|
1044 | const_iv (NOSERVER_HOME) |
|
|
1045 | const_iv (NOSERVER_ID) |
|
|
1046 | const_iv (NOTFOUND) |
|
|
1047 | const_iv (OLD_VERSION) |
|
|
1048 | const_iv (PAGE_NOTFOUND) |
|
|
1049 | const_iv (REP_DUPMASTER) |
|
|
1050 | const_iv (REP_HANDLE_DEAD) |
|
|
1051 | const_iv (REP_HOLDELECTION) |
|
|
1052 | const_iv (REP_IGNORE) |
|
|
1053 | const_iv (REP_ISPERM) |
|
|
1054 | const_iv (REP_JOIN_FAILURE) |
|
|
1055 | const_iv (REP_LOCKOUT) |
|
|
1056 | const_iv (REP_NEWMASTER) |
|
|
1057 | const_iv (REP_NEWSITE) |
|
|
1058 | const_iv (REP_NOTPERM) |
|
|
1059 | const_iv (REP_UNAVAIL) |
|
|
1060 | const_iv (RUNRECOVERY) |
|
|
1061 | const_iv (SECONDARY_BAD) |
|
|
1062 | const_iv (VERIFY_BAD) |
|
|
1063 | const_iv (VERSION_MISMATCH) |
|
|
1064 | |
|
|
1065 | const_iv (VERB_DEADLOCK) |
|
|
1066 | const_iv (VERB_RECOVERY) |
|
|
1067 | const_iv (VERB_REGISTER) |
|
|
1068 | const_iv (VERB_REPLICATION) |
|
|
1069 | const_iv (VERB_WAITSFOR) |
|
|
1070 | |
|
|
1071 | const_iv (VERSION_MAJOR) |
|
|
1072 | const_iv (VERSION_MINOR) |
|
|
1073 | const_iv (VERSION_PATCH) |
|
|
1074 | #if DB_VERSION_MINOR >= 5 |
|
|
1075 | const_iv (MULTIVERSION) |
|
|
1076 | const_iv (TXN_SNAPSHOT) |
|
|
1077 | #endif |
989 | }; |
1078 | }; |
990 | |
1079 | |
991 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1080 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
992 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1081 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
993 | |
1082 | |
|
|
1083 | newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); |
|
|
1084 | newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
|
|
1085 | |
994 | if (!create_pipe (respipe)) |
1086 | create_pipe (respipe); |
995 | croak ("unable to initialize result pipe"); |
|
|
996 | |
1087 | |
997 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1088 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
998 | #ifdef _WIN32 |
1089 | #ifdef _WIN32 |
999 | X_MUTEX_CHECK (wrklock); |
1090 | X_MUTEX_CHECK (wrklock); |
1000 | X_MUTEX_CHECK (reslock); |
1091 | X_MUTEX_CHECK (reslock); |
… | |
… | |
1141 | PROTOTYPE: & |
1232 | PROTOTYPE: & |
1142 | CODE: |
1233 | CODE: |
1143 | SvREFCNT_dec (prepare_cb); |
1234 | SvREFCNT_dec (prepare_cb); |
1144 | prepare_cb = newSVsv (cb); |
1235 | prepare_cb = newSVsv (cb); |
1145 | |
1236 | |
|
|
1237 | char * |
|
|
1238 | strerror (int errorno = errno) |
|
|
1239 | PROTOTYPE: ;$ |
|
|
1240 | CODE: |
|
|
1241 | RETVAL = db_strerror (errorno); |
|
|
1242 | OUTPUT: |
|
|
1243 | RETVAL |
1146 | |
1244 | |
1147 | DB_ENV * |
1245 | DB_ENV * |
1148 | db_env_create (U32 env_flags = 0) |
1246 | db_env_create (U32 env_flags = 0) |
1149 | CODE: |
1247 | CODE: |
1150 | { |
1248 | { |
1151 | errno = db_env_create (&RETVAL, env_flags); |
1249 | errno = db_env_create (&RETVAL, env_flags); |
1152 | if (errno) |
1250 | if (errno) |
1153 | croak ("db_env_create: %s", db_strerror (errno)); |
1251 | croak ("db_env_create: %s", db_strerror (errno)); |
|
|
1252 | |
|
|
1253 | if (0) |
|
|
1254 | { |
|
|
1255 | RETVAL->set_errcall (RETVAL, debug_errcall); |
|
|
1256 | RETVAL->set_msgcall (RETVAL, debug_msgcall); |
|
|
1257 | } |
1154 | } |
1258 | } |
1155 | OUTPUT: |
1259 | OUTPUT: |
1156 | RETVAL |
1260 | RETVAL |
1157 | |
1261 | |
1158 | void |
1262 | void |
1159 | db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1263 | db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1160 | CODE: |
1264 | CODE: |
1161 | { |
1265 | { |
1162 | env->set_thread_count (env, get_nthreads ()); |
|
|
1163 | |
|
|
1164 | dREQ (REQ_ENV_OPEN); |
1266 | dREQ (REQ_ENV_OPEN); |
|
|
1267 | |
|
|
1268 | env->set_thread_count (env, wanted + 2); |
|
|
1269 | |
1165 | req->env = env; |
1270 | req->env = env; |
1166 | req->uint1 = open_flags | DB_THREAD; |
1271 | req->uint1 = open_flags | DB_THREAD; |
1167 | req->int1 = mode; |
1272 | req->int1 = mode; |
1168 | req->buf1 = strdup_ornull (db_home); |
1273 | req->buf1 = strdup_ornull (db_home); |
1169 | REQ_SEND; |
1274 | REQ_SEND; |
… | |
… | |
1561 | CODE: |
1666 | CODE: |
1562 | RETVAL = env->set_flags (env, flags, onoff); |
1667 | RETVAL = env->set_flags (env, flags, onoff); |
1563 | OUTPUT: |
1668 | OUTPUT: |
1564 | RETVAL |
1669 | RETVAL |
1565 | |
1670 | |
|
|
1671 | void set_errfile (DB_ENV *env, FILE *errfile) |
|
|
1672 | CODE: |
|
|
1673 | env->set_errfile (env, errfile); |
|
|
1674 | |
|
|
1675 | void set_msgfile (DB_ENV *env, FILE *msgfile) |
|
|
1676 | CODE: |
|
|
1677 | env->set_msgfile (env, msgfile); |
|
|
1678 | |
|
|
1679 | int set_verbose (DB_ENV *env, U32 which, int onoff = 1) |
|
|
1680 | CODE: |
|
|
1681 | RETVAL = env->set_verbose (env, which, onoff); |
|
|
1682 | OUTPUT: |
|
|
1683 | RETVAL |
|
|
1684 | |
1566 | int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1685 | int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1567 | CODE: |
1686 | CODE: |
1568 | RETVAL = env->set_encrypt (env, password, flags); |
1687 | RETVAL = env->set_encrypt (env, password, flags); |
1569 | OUTPUT: |
1688 | OUTPUT: |
1570 | RETVAL |
1689 | RETVAL |