1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include <pthread.h> |
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 |
18 | |
17 | |
19 | #include <stddef.h> |
18 | #include <stddef.h> |
20 | #include <stdlib.h> |
19 | #include <stdlib.h> |
21 | #include <errno.h> |
20 | #include <errno.h> |
22 | #include <sys/time.h> |
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23 | #include <sys/types.h> |
21 | #include <sys/types.h> |
24 | #include <limits.h> |
22 | #include <limits.h> |
25 | #include <unistd.h> |
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26 | #include <fcntl.h> |
23 | #include <fcntl.h> |
27 | |
24 | |
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25 | #ifndef _WIN32 |
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26 | # include <sys/time.h> |
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27 | # include <unistd.h> |
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28 | #endif |
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29 | |
28 | #include <db.h> |
30 | #include <db.h> |
29 | |
31 | |
30 | #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) |
31 | # error you need Berkeley DB 4.5 or newer installed |
33 | # error you need Berkeley DB 4.4 or newer installed |
32 | #endif |
34 | #endif |
33 | |
35 | |
34 | /* number of seconds after which idle threads exit */ |
36 | /* number of seconds after which idle threads exit */ |
35 | #define IDLE_TIMEOUT 10 |
37 | #define IDLE_TIMEOUT 10 |
36 | |
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37 | /* wether word reads are potentially non-atomic. |
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38 | * this is conservatice, likely most arches this runs |
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39 | * on have atomic word read/writes. |
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40 | */ |
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41 | #ifndef WORDACCESS_UNSAFE |
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42 | # if __i386 || __x86_64 |
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43 | # define WORDACCESS_UNSAFE 0 |
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44 | # else |
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45 | # define WORDACCESS_UNSAFE 1 |
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46 | # endif |
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47 | #endif |
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48 | |
38 | |
49 | typedef DB_ENV DB_ENV_ornull; |
39 | typedef DB_ENV DB_ENV_ornull; |
50 | typedef DB_TXN DB_TXN_ornull; |
40 | typedef DB_TXN DB_TXN_ornull; |
51 | typedef DBC DBC_ornull; |
41 | typedef DBC DBC_ornull; |
52 | typedef DB DB_ornull; |
42 | typedef DB DB_ornull; |
… | |
… | |
55 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
45 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
56 | typedef char *octetstring; |
46 | typedef char *octetstring; |
57 | |
47 | |
58 | static SV *prepare_cb; |
48 | static SV *prepare_cb; |
59 | |
49 | |
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50 | #if DB_VERSION_MINOR >= 6 |
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51 | # define c_close close |
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52 | # define c_count count |
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53 | # define c_del del |
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54 | # define c_dup dup |
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55 | # define c_get get |
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56 | # define c_pget pget |
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57 | # define c_put put |
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58 | #endif |
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59 | |
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60 | static void |
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61 | debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg) |
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62 | { |
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63 | printf ("err[%s]\n", msg); |
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64 | } |
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65 | |
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66 | static void |
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67 | debug_msgcall (const DB_ENV *dbenv, const char *msg) |
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68 | { |
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69 | printf ("msg[%s]\n", msg); |
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70 | } |
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71 | |
60 | static inline char * |
72 | static char * |
61 | strdup_ornull (const char *s) |
73 | strdup_ornull (const char *s) |
62 | { |
74 | { |
63 | return s ? strdup (s) : 0; |
75 | return s ? strdup (s) : 0; |
64 | } |
76 | } |
65 | |
77 | |
66 | static inline void |
78 | static void |
67 | sv_to_dbt (DBT *dbt, SV *sv) |
79 | sv_to_dbt (DBT *dbt, SV *sv) |
68 | { |
80 | { |
69 | STRLEN len; |
81 | STRLEN len; |
70 | char *data = SvPVbyte (sv, len); |
82 | char *data = SvPVbyte (sv, len); |
71 | |
83 | |
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73 | memcpy (dbt->data, data, len); |
85 | memcpy (dbt->data, data, len); |
74 | dbt->size = len; |
86 | dbt->size = len; |
75 | dbt->flags = DB_DBT_REALLOC; |
87 | dbt->flags = DB_DBT_REALLOC; |
76 | } |
88 | } |
77 | |
89 | |
78 | static inline void |
90 | static void |
79 | dbt_to_sv (SV *sv, DBT *dbt) |
91 | dbt_to_sv (SV *sv, DBT *dbt) |
80 | { |
92 | { |
81 | if (sv) |
93 | if (sv) |
82 | { |
94 | { |
83 | SvREADONLY_off (sv); |
95 | SvREADONLY_off (sv); |
… | |
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92 | REQ_QUIT, |
104 | REQ_QUIT, |
93 | REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, |
105 | REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, |
94 | REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, |
106 | REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, |
95 | REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, |
107 | REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, |
96 | REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, |
108 | REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, |
97 | REQ_TXN_COMMIT, REQ_TXN_ABORT, |
109 | REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH, |
98 | REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, |
110 | REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, |
99 | REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, |
111 | REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, |
100 | }; |
112 | }; |
101 | |
113 | |
102 | typedef struct aio_cb |
114 | typedef struct aio_cb |
… | |
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147 | |
159 | |
148 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
160 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
149 | |
161 | |
150 | static unsigned int started, idle, wanted; |
162 | static unsigned int started, idle, wanted; |
151 | |
163 | |
152 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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153 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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154 | #else |
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155 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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156 | #endif |
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157 | |
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158 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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159 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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160 | |
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161 | /* worker threads management */ |
164 | /* worker threads management */ |
162 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
165 | static mutex_t wrklock = X_MUTEX_INIT; |
163 | |
166 | |
164 | typedef struct worker { |
167 | typedef struct worker { |
165 | /* locked by wrklock */ |
168 | /* locked by wrklock */ |
166 | struct worker *prev, *next; |
169 | struct worker *prev, *next; |
167 | |
170 | |
168 | pthread_t tid; |
171 | thread_t tid; |
169 | |
172 | |
170 | /* locked by reslock, reqlock or wrklock */ |
173 | /* locked by reslock, reqlock or wrklock */ |
171 | aio_req req; /* currently processed request */ |
174 | aio_req req; /* currently processed request */ |
172 | void *dbuf; |
175 | void *dbuf; |
173 | DIR *dirp; |
176 | DIR *dirp; |
… | |
… | |
188 | } |
191 | } |
189 | |
192 | |
190 | static volatile unsigned int nreqs, nready, npending; |
193 | static volatile unsigned int nreqs, nready, npending; |
191 | static volatile unsigned int max_idle = 4; |
194 | static volatile unsigned int max_idle = 4; |
192 | static volatile unsigned int max_outstanding = 0xffffffff; |
195 | static volatile unsigned int max_outstanding = 0xffffffff; |
193 | static int respipe [2]; |
196 | static int respipe [2], respipe_osf [2]; |
194 | |
197 | |
195 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
198 | static mutex_t reslock = X_MUTEX_INIT; |
196 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
199 | static mutex_t reqlock = X_MUTEX_INIT; |
197 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
200 | static cond_t reqwait = X_COND_INIT; |
198 | |
201 | |
199 | #if WORDACCESS_UNSAFE |
202 | #if WORDACCESS_UNSAFE |
200 | |
203 | |
201 | static unsigned int get_nready () |
204 | static unsigned int get_nready () |
202 | { |
205 | { |
203 | unsigned int retval; |
206 | unsigned int retval; |
204 | |
207 | |
205 | LOCK (reqlock); |
208 | X_LOCK (reqlock); |
206 | retval = nready; |
209 | retval = nready; |
207 | UNLOCK (reqlock); |
210 | X_UNLOCK (reqlock); |
208 | |
211 | |
209 | return retval; |
212 | return retval; |
210 | } |
213 | } |
211 | |
214 | |
212 | static unsigned int get_npending () |
215 | static unsigned int get_npending () |
213 | { |
216 | { |
214 | unsigned int retval; |
217 | unsigned int retval; |
215 | |
218 | |
216 | LOCK (reslock); |
219 | X_LOCK (reslock); |
217 | retval = npending; |
220 | retval = npending; |
218 | UNLOCK (reslock); |
221 | X_UNLOCK (reslock); |
219 | |
222 | |
220 | return retval; |
223 | return retval; |
221 | } |
224 | } |
222 | |
225 | |
223 | static unsigned int get_nthreads () |
226 | static unsigned int get_nthreads () |
224 | { |
227 | { |
225 | unsigned int retval; |
228 | unsigned int retval; |
226 | |
229 | |
227 | LOCK (wrklock); |
230 | X_LOCK (wrklock); |
228 | retval = started; |
231 | retval = started; |
229 | UNLOCK (wrklock); |
232 | X_UNLOCK (wrklock); |
230 | |
233 | |
231 | return retval; |
234 | return retval; |
232 | } |
235 | } |
233 | |
236 | |
234 | #else |
237 | #else |
… | |
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369 | free (req->buf1); |
372 | free (req->buf1); |
370 | free (req->buf2); |
373 | free (req->buf2); |
371 | Safefree (req); |
374 | Safefree (req); |
372 | } |
375 | } |
373 | |
376 | |
374 | static void *aio_proc (void *arg); |
377 | #ifdef USE_SOCKETS_AS_HANDLES |
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378 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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379 | #else |
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380 | # define TO_SOCKET(x) (x) |
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381 | #endif |
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382 | |
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383 | static void |
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384 | create_pipe (int fd[2]) |
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385 | { |
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386 | #ifdef _WIN32 |
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387 | int arg = 1; |
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388 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd) |
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389 | || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg) |
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390 | || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg)) |
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391 | #else |
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392 | if (pipe (fd) |
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393 | || fcntl (fd [0], F_SETFL, O_NONBLOCK) |
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394 | || fcntl (fd [1], F_SETFL, O_NONBLOCK)) |
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395 | #endif |
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396 | croak ("unable to initialize result pipe"); |
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397 | |
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398 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
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399 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
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400 | } |
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401 | |
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402 | X_THREAD_PROC (bdb_proc); |
375 | |
403 | |
376 | static void start_thread (void) |
404 | static void start_thread (void) |
377 | { |
405 | { |
378 | sigset_t fullsigset, oldsigset; |
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379 | pthread_attr_t attr; |
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380 | |
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381 | worker *wrk = calloc (1, sizeof (worker)); |
406 | worker *wrk = calloc (1, sizeof (worker)); |
382 | |
407 | |
383 | if (!wrk) |
408 | if (!wrk) |
384 | croak ("unable to allocate worker thread data"); |
409 | croak ("unable to allocate worker thread data"); |
385 | |
410 | |
386 | pthread_attr_init (&attr); |
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387 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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388 | #ifdef PTHREAD_SCOPE_PROCESS |
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389 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
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390 | #endif |
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391 | |
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392 | sigfillset (&fullsigset); |
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393 | |
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394 | LOCK (wrklock); |
411 | X_LOCK (wrklock); |
395 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
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396 | |
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397 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
412 | if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
398 | { |
413 | { |
399 | wrk->prev = &wrk_first; |
414 | wrk->prev = &wrk_first; |
400 | wrk->next = wrk_first.next; |
415 | wrk->next = wrk_first.next; |
401 | wrk_first.next->prev = wrk; |
416 | wrk_first.next->prev = wrk; |
402 | wrk_first.next = wrk; |
417 | wrk_first.next = wrk; |
403 | ++started; |
418 | ++started; |
404 | } |
419 | } |
405 | else |
420 | else |
406 | free (wrk); |
421 | free (wrk); |
407 | |
422 | |
408 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
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409 | UNLOCK (wrklock); |
423 | X_UNLOCK (wrklock); |
410 | } |
424 | } |
411 | |
425 | |
412 | static void maybe_start_thread () |
426 | static void maybe_start_thread () |
413 | { |
427 | { |
414 | if (get_nthreads () >= wanted) |
428 | if (get_nthreads () >= wanted) |
… | |
… | |
426 | SV *wait_callback = 0; |
440 | SV *wait_callback = 0; |
427 | |
441 | |
428 | // synthesize callback if none given |
442 | // synthesize callback if none given |
429 | if (!SvOK (req->callback)) |
443 | if (!SvOK (req->callback)) |
430 | { |
444 | { |
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445 | int count; |
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446 | |
431 | dSP; |
447 | dSP; |
432 | PUSHMARK (SP); |
448 | PUSHMARK (SP); |
433 | PUTBACK; |
449 | PUTBACK; |
434 | int count = call_sv (prepare_cb, G_ARRAY); |
450 | count = call_sv (prepare_cb, G_ARRAY); |
435 | SPAGAIN; |
451 | SPAGAIN; |
436 | |
452 | |
437 | if (count != 2) |
453 | if (count != 2) |
438 | croak ("prepare callback must return exactly two values\n"); |
454 | croak ("prepare callback must return exactly two values\n"); |
439 | |
455 | |
… | |
… | |
442 | req->callback = SvREFCNT_inc (POPs); |
458 | req->callback = SvREFCNT_inc (POPs); |
443 | } |
459 | } |
444 | |
460 | |
445 | ++nreqs; |
461 | ++nreqs; |
446 | |
462 | |
447 | LOCK (reqlock); |
463 | X_LOCK (reqlock); |
448 | ++nready; |
464 | ++nready; |
449 | reqq_push (&req_queue, req); |
465 | reqq_push (&req_queue, req); |
450 | pthread_cond_signal (&reqwait); |
466 | X_COND_SIGNAL (reqwait); |
451 | UNLOCK (reqlock); |
467 | X_UNLOCK (reqlock); |
452 | |
468 | |
453 | maybe_start_thread (); |
469 | maybe_start_thread (); |
454 | |
470 | |
455 | if (wait_callback) |
471 | if (wait_callback) |
456 | { |
472 | { |
… | |
… | |
469 | Newz (0, req, 1, aio_cb); |
485 | Newz (0, req, 1, aio_cb); |
470 | |
486 | |
471 | req->type = REQ_QUIT; |
487 | req->type = REQ_QUIT; |
472 | req->pri = PRI_MAX + PRI_BIAS; |
488 | req->pri = PRI_MAX + PRI_BIAS; |
473 | |
489 | |
474 | LOCK (reqlock); |
490 | X_LOCK (reqlock); |
475 | reqq_push (&req_queue, req); |
491 | reqq_push (&req_queue, req); |
476 | pthread_cond_signal (&reqwait); |
492 | X_COND_SIGNAL (reqwait); |
477 | UNLOCK (reqlock); |
493 | X_UNLOCK (reqlock); |
478 | |
494 | |
479 | LOCK (wrklock); |
495 | X_LOCK (wrklock); |
480 | --started; |
496 | --started; |
481 | UNLOCK (wrklock); |
497 | X_UNLOCK (wrklock); |
482 | } |
498 | } |
483 | |
499 | |
484 | static void set_max_idle (int nthreads) |
500 | static void set_max_idle (int nthreads) |
485 | { |
501 | { |
486 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
502 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
487 | max_idle = nthreads <= 0 ? 1 : nthreads; |
503 | max_idle = nthreads <= 0 ? 1 : nthreads; |
488 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
504 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
489 | } |
505 | } |
490 | |
506 | |
491 | static void min_parallel (int nthreads) |
507 | static void min_parallel (int nthreads) |
492 | { |
508 | { |
493 | if (wanted < nthreads) |
509 | if (wanted < nthreads) |
… | |
… | |
508 | fd_set rfd; |
524 | fd_set rfd; |
509 | |
525 | |
510 | while (nreqs) |
526 | while (nreqs) |
511 | { |
527 | { |
512 | int size; |
528 | int size; |
513 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
529 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
514 | size = res_queue.size; |
530 | size = res_queue.size; |
515 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
531 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
516 | |
532 | |
517 | if (size) |
533 | if (size) |
518 | return; |
534 | return; |
519 | |
535 | |
520 | maybe_start_thread (); |
536 | maybe_start_thread (); |
521 | |
537 | |
522 | FD_ZERO(&rfd); |
538 | FD_ZERO (&rfd); |
523 | FD_SET(respipe [0], &rfd); |
539 | FD_SET (respipe [0], &rfd); |
524 | |
540 | |
525 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
541 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
526 | } |
542 | } |
527 | } |
543 | } |
528 | |
544 | |
529 | static int poll_cb () |
545 | static int poll_cb () |
530 | { |
546 | { |
… | |
… | |
542 | { |
558 | { |
543 | for (;;) |
559 | for (;;) |
544 | { |
560 | { |
545 | maybe_start_thread (); |
561 | maybe_start_thread (); |
546 | |
562 | |
547 | LOCK (reslock); |
563 | X_LOCK (reslock); |
548 | req = reqq_shift (&res_queue); |
564 | req = reqq_shift (&res_queue); |
549 | |
565 | |
550 | if (req) |
566 | if (req) |
551 | { |
567 | { |
552 | --npending; |
568 | --npending; |
553 | |
569 | |
554 | if (!res_queue.size) |
570 | if (!res_queue.size) |
555 | { |
571 | { |
556 | /* read any signals sent by the worker threads */ |
572 | /* read any signals sent by the worker threads */ |
557 | char buf [4]; |
573 | char buf [4]; |
558 | while (read (respipe [0], buf, 4) == 4) |
574 | while (respipe_read (respipe [0], buf, 4) == 4) |
559 | ; |
575 | ; |
560 | } |
576 | } |
561 | } |
577 | } |
562 | |
578 | |
563 | UNLOCK (reslock); |
579 | X_UNLOCK (reslock); |
564 | |
580 | |
565 | if (!req) |
581 | if (!req) |
566 | break; |
582 | break; |
567 | |
583 | |
568 | --nreqs; |
584 | --nreqs; |
… | |
… | |
598 | } |
614 | } |
599 | |
615 | |
600 | return count; |
616 | return count; |
601 | } |
617 | } |
602 | |
618 | |
603 | static void create_pipe () |
|
|
604 | { |
|
|
605 | if (pipe (respipe)) |
|
|
606 | croak ("unable to initialize result pipe"); |
|
|
607 | |
|
|
608 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
609 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
610 | |
|
|
611 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
612 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
613 | } |
|
|
614 | |
|
|
615 | /*****************************************************************************/ |
619 | /*****************************************************************************/ |
616 | |
620 | |
617 | static void *aio_proc (void *thr_arg) |
621 | X_THREAD_PROC (bdb_proc) |
618 | { |
622 | { |
619 | aio_req req; |
623 | aio_req req; |
620 | struct timespec ts; |
624 | struct timespec ts; |
621 | worker *self = (worker *)thr_arg; |
625 | worker *self = (worker *)thr_arg; |
622 | |
626 | |
623 | /* try to distribute timeouts somewhat evenly */ |
627 | /* try to distribute timeouts somewhat evenly */ |
624 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
628 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
625 | * (1000000000UL / 1024UL); |
|
|
626 | |
629 | |
627 | for (;;) |
630 | for (;;) |
628 | { |
631 | { |
629 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
632 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
630 | |
633 | |
631 | LOCK (reqlock); |
634 | X_LOCK (reqlock); |
632 | |
635 | |
633 | for (;;) |
636 | for (;;) |
634 | { |
637 | { |
635 | self->req = req = reqq_shift (&req_queue); |
638 | self->req = req = reqq_shift (&req_queue); |
636 | |
639 | |
637 | if (req) |
640 | if (req) |
638 | break; |
641 | break; |
639 | |
642 | |
640 | ++idle; |
643 | ++idle; |
641 | |
644 | |
642 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
645 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
643 | == ETIMEDOUT) |
646 | == ETIMEDOUT) |
644 | { |
647 | { |
645 | if (idle > max_idle) |
648 | if (idle > max_idle) |
646 | { |
649 | { |
647 | --idle; |
650 | --idle; |
648 | UNLOCK (reqlock); |
651 | X_UNLOCK (reqlock); |
649 | LOCK (wrklock); |
652 | X_LOCK (wrklock); |
650 | --started; |
653 | --started; |
651 | UNLOCK (wrklock); |
654 | X_UNLOCK (wrklock); |
652 | goto quit; |
655 | goto quit; |
653 | } |
656 | } |
654 | |
657 | |
655 | /* we are allowed to idle, so do so without any timeout */ |
658 | /* we are allowed to idle, so do so without any timeout */ |
656 | pthread_cond_wait (&reqwait, &reqlock); |
659 | X_COND_WAIT (reqwait, reqlock); |
657 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
660 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
658 | } |
661 | } |
659 | |
662 | |
660 | --idle; |
663 | --idle; |
661 | } |
664 | } |
662 | |
665 | |
663 | --nready; |
666 | --nready; |
664 | |
667 | |
665 | UNLOCK (reqlock); |
668 | X_UNLOCK (reqlock); |
666 | |
669 | |
667 | switch (req->type) |
670 | switch (req->type) |
668 | { |
671 | { |
669 | case REQ_QUIT: |
672 | case REQ_QUIT: |
|
|
673 | req->result = ENOSYS; |
670 | goto quit; |
674 | goto quit; |
671 | |
675 | |
672 | case REQ_ENV_OPEN: |
676 | case REQ_ENV_OPEN: |
673 | req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
677 | req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
674 | break; |
678 | break; |
… | |
… | |
733 | req->result = req->txn->commit (req->txn, req->uint1); |
737 | req->result = req->txn->commit (req->txn, req->uint1); |
734 | break; |
738 | break; |
735 | |
739 | |
736 | case REQ_TXN_ABORT: |
740 | case REQ_TXN_ABORT: |
737 | req->result = req->txn->abort (req->txn); |
741 | req->result = req->txn->abort (req->txn); |
|
|
742 | break; |
|
|
743 | |
|
|
744 | case REQ_TXN_FINISH: |
|
|
745 | if (req->txn->flags & TXN_DEADLOCK) |
|
|
746 | { |
|
|
747 | req->result = req->txn->abort (req->txn); |
|
|
748 | if (!req->result) |
|
|
749 | req->result = DB_LOCK_DEADLOCK; |
|
|
750 | } |
|
|
751 | else |
|
|
752 | req->result = req->txn->commit (req->txn, req->uint1); |
738 | break; |
753 | break; |
739 | |
754 | |
740 | case REQ_C_CLOSE: |
755 | case REQ_C_CLOSE: |
741 | req->result = req->dbc->c_close (req->dbc); |
756 | req->result = req->dbc->c_close (req->dbc); |
742 | break; |
757 | break; |
… | |
… | |
784 | default: |
799 | default: |
785 | req->result = ENOSYS; |
800 | req->result = ENOSYS; |
786 | break; |
801 | break; |
787 | } |
802 | } |
788 | |
803 | |
|
|
804 | if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED)) |
|
|
805 | req->txn->flags |= TXN_DEADLOCK; |
|
|
806 | |
789 | LOCK (reslock); |
807 | X_LOCK (reslock); |
790 | |
808 | |
791 | ++npending; |
809 | ++npending; |
792 | |
810 | |
793 | if (!reqq_push (&res_queue, req)) |
811 | if (!reqq_push (&res_queue, req)) |
794 | /* write a dummy byte to the pipe so fh becomes ready */ |
812 | /* write a dummy byte to the pipe so fh becomes ready */ |
795 | write (respipe [1], &respipe, 1); |
813 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
796 | |
814 | |
797 | self->req = 0; |
815 | self->req = 0; |
798 | worker_clear (self); |
816 | worker_clear (self); |
799 | |
817 | |
800 | UNLOCK (reslock); |
818 | X_UNLOCK (reslock); |
801 | } |
819 | } |
802 | |
820 | |
803 | quit: |
821 | quit: |
804 | LOCK (wrklock); |
822 | X_LOCK (wrklock); |
805 | worker_free (self); |
823 | worker_free (self); |
806 | UNLOCK (wrklock); |
824 | X_UNLOCK (wrklock); |
807 | |
825 | |
808 | return 0; |
826 | return 0; |
809 | } |
827 | } |
810 | |
828 | |
811 | /*****************************************************************************/ |
829 | /*****************************************************************************/ |
812 | |
830 | |
813 | static void atfork_prepare (void) |
831 | static void atfork_prepare (void) |
814 | { |
832 | { |
815 | LOCK (wrklock); |
833 | X_LOCK (wrklock); |
816 | LOCK (reqlock); |
834 | X_LOCK (reqlock); |
817 | LOCK (reslock); |
835 | X_LOCK (reslock); |
818 | } |
836 | } |
819 | |
837 | |
820 | static void atfork_parent (void) |
838 | static void atfork_parent (void) |
821 | { |
839 | { |
822 | UNLOCK (reslock); |
840 | X_UNLOCK (reslock); |
823 | UNLOCK (reqlock); |
841 | X_UNLOCK (reqlock); |
824 | UNLOCK (wrklock); |
842 | X_UNLOCK (wrklock); |
825 | } |
843 | } |
826 | |
844 | |
827 | static void atfork_child (void) |
845 | static void atfork_child (void) |
828 | { |
846 | { |
829 | aio_req prv; |
847 | aio_req prv; |
… | |
… | |
849 | idle = 0; |
867 | idle = 0; |
850 | nreqs = 0; |
868 | nreqs = 0; |
851 | nready = 0; |
869 | nready = 0; |
852 | npending = 0; |
870 | npending = 0; |
853 | |
871 | |
854 | close (respipe [0]); |
872 | respipe_close (respipe [0]); |
855 | close (respipe [1]); |
873 | respipe_close (respipe [1]); |
|
|
874 | |
856 | create_pipe (); |
875 | create_pipe (respipe); |
857 | |
876 | |
858 | atfork_parent (); |
877 | atfork_parent (); |
859 | } |
878 | } |
860 | |
879 | |
861 | #define dREQ(reqtype) \ |
880 | #define dREQ(reqtype) \ |
… | |
… | |
940 | const_iv (DSYNC_DB) |
959 | const_iv (DSYNC_DB) |
941 | const_iv (DSYNC_LOG) |
960 | const_iv (DSYNC_LOG) |
942 | const_iv (LOG_AUTOREMOVE) |
961 | const_iv (LOG_AUTOREMOVE) |
943 | const_iv (LOG_INMEMORY) |
962 | const_iv (LOG_INMEMORY) |
944 | const_iv (NOLOCKING) |
963 | const_iv (NOLOCKING) |
945 | const_iv (MULTIVERSION) |
|
|
946 | const_iv (NOMMAP) |
964 | const_iv (NOMMAP) |
947 | const_iv (NOPANIC) |
965 | const_iv (NOPANIC) |
948 | const_iv (OVERWRITE) |
966 | const_iv (OVERWRITE) |
949 | const_iv (PANIC_ENVIRONMENT) |
967 | const_iv (PANIC_ENVIRONMENT) |
950 | const_iv (REGION_INIT) |
968 | const_iv (REGION_INIT) |
951 | const_iv (TIME_NOTGRANTED) |
969 | const_iv (TIME_NOTGRANTED) |
952 | const_iv (TXN_NOSYNC) |
970 | const_iv (TXN_NOSYNC) |
953 | const_iv (TXN_SNAPSHOT) |
|
|
954 | const_iv (TXN_WRITE_NOSYNC) |
971 | const_iv (TXN_WRITE_NOSYNC) |
955 | const_iv (WRITECURSOR) |
972 | const_iv (WRITECURSOR) |
956 | const_iv (YIELDCPU) |
973 | const_iv (YIELDCPU) |
957 | const_iv (ENCRYPT_AES) |
974 | const_iv (ENCRYPT_AES) |
958 | const_iv (XA_CREATE) |
975 | const_iv (XA_CREATE) |
… | |
… | |
1001 | const_iv (APPEND) |
1018 | const_iv (APPEND) |
1002 | const_iv (NODUPDATA) |
1019 | const_iv (NODUPDATA) |
1003 | const_iv (NOOVERWRITE) |
1020 | const_iv (NOOVERWRITE) |
1004 | |
1021 | |
1005 | const_iv (TXN_NOWAIT) |
1022 | const_iv (TXN_NOWAIT) |
1006 | const_iv (TXN_SNAPSHOT) |
|
|
1007 | const_iv (TXN_SYNC) |
1023 | const_iv (TXN_SYNC) |
1008 | |
1024 | |
1009 | const_iv (SET_LOCK_TIMEOUT) |
1025 | const_iv (SET_LOCK_TIMEOUT) |
1010 | const_iv (SET_TXN_TIMEOUT) |
1026 | const_iv (SET_TXN_TIMEOUT) |
1011 | |
1027 | |
… | |
… | |
1039 | const_iv (LOCK_YOUNGEST) |
1055 | const_iv (LOCK_YOUNGEST) |
1040 | |
1056 | |
1041 | const_iv (SEQ_DEC) |
1057 | const_iv (SEQ_DEC) |
1042 | const_iv (SEQ_INC) |
1058 | const_iv (SEQ_INC) |
1043 | const_iv (SEQ_WRAP) |
1059 | const_iv (SEQ_WRAP) |
|
|
1060 | |
|
|
1061 | const_iv (BUFFER_SMALL) |
|
|
1062 | const_iv (DONOTINDEX) |
|
|
1063 | const_iv (KEYEMPTY ) |
|
|
1064 | const_iv (KEYEXIST ) |
|
|
1065 | const_iv (LOCK_DEADLOCK) |
|
|
1066 | const_iv (LOCK_NOTGRANTED) |
|
|
1067 | const_iv (LOG_BUFFER_FULL) |
|
|
1068 | const_iv (NOSERVER) |
|
|
1069 | const_iv (NOSERVER_HOME) |
|
|
1070 | const_iv (NOSERVER_ID) |
|
|
1071 | const_iv (NOTFOUND) |
|
|
1072 | const_iv (OLD_VERSION) |
|
|
1073 | const_iv (PAGE_NOTFOUND) |
|
|
1074 | const_iv (REP_DUPMASTER) |
|
|
1075 | const_iv (REP_HANDLE_DEAD) |
|
|
1076 | const_iv (REP_HOLDELECTION) |
|
|
1077 | const_iv (REP_IGNORE) |
|
|
1078 | const_iv (REP_ISPERM) |
|
|
1079 | const_iv (REP_JOIN_FAILURE) |
|
|
1080 | const_iv (REP_LOCKOUT) |
|
|
1081 | const_iv (REP_NEWMASTER) |
|
|
1082 | const_iv (REP_NEWSITE) |
|
|
1083 | const_iv (REP_NOTPERM) |
|
|
1084 | const_iv (REP_UNAVAIL) |
|
|
1085 | const_iv (RUNRECOVERY) |
|
|
1086 | const_iv (SECONDARY_BAD) |
|
|
1087 | const_iv (VERIFY_BAD) |
|
|
1088 | const_iv (VERSION_MISMATCH) |
|
|
1089 | |
|
|
1090 | const_iv (VERB_DEADLOCK) |
|
|
1091 | const_iv (VERB_RECOVERY) |
|
|
1092 | const_iv (VERB_REGISTER) |
|
|
1093 | const_iv (VERB_REPLICATION) |
|
|
1094 | const_iv (VERB_WAITSFOR) |
|
|
1095 | |
|
|
1096 | const_iv (VERSION_MAJOR) |
|
|
1097 | const_iv (VERSION_MINOR) |
|
|
1098 | const_iv (VERSION_PATCH) |
|
|
1099 | #if DB_VERSION_MINOR >= 5 |
|
|
1100 | const_iv (MULTIVERSION) |
|
|
1101 | const_iv (TXN_SNAPSHOT) |
|
|
1102 | #endif |
|
|
1103 | #if DB_VERSION_MINOR >= 6 |
|
|
1104 | const_iv (PREV_DUP) |
|
|
1105 | # if 0 |
|
|
1106 | const_iv (PRIORITY_UNCHANGED) |
|
|
1107 | const_iv (PRIORITY_VERY_LOW) |
|
|
1108 | const_iv (PRIORITY_LOW) |
|
|
1109 | const_iv (PRIORITY_DEFAULT) |
|
|
1110 | const_iv (PRIORITY_HIGH) |
|
|
1111 | const_iv (PRIORITY_VERY_HIGH) |
|
|
1112 | # endif |
|
|
1113 | #endif |
1044 | }; |
1114 | }; |
1045 | |
1115 | |
1046 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1116 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1047 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1117 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1048 | |
1118 | |
1049 | create_pipe (); |
1119 | newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); |
|
|
1120 | newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
|
|
1121 | |
|
|
1122 | create_pipe (respipe); |
|
|
1123 | |
1050 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1124 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
|
|
1125 | #ifdef _WIN32 |
|
|
1126 | X_MUTEX_CHECK (wrklock); |
|
|
1127 | X_MUTEX_CHECK (reslock); |
|
|
1128 | X_MUTEX_CHECK (reqlock); |
|
|
1129 | |
|
|
1130 | X_COND_CHECK (reqwait); |
|
|
1131 | #endif |
1051 | } |
1132 | } |
1052 | |
1133 | |
1053 | void |
1134 | void |
1054 | max_poll_reqs (int nreqs) |
1135 | max_poll_reqs (int nreqs) |
1055 | PROTOTYPE: $ |
1136 | PROTOTYPE: $ |
… | |
… | |
1174 | |
1255 | |
1175 | int |
1256 | int |
1176 | nthreads () |
1257 | nthreads () |
1177 | PROTOTYPE: |
1258 | PROTOTYPE: |
1178 | CODE: |
1259 | CODE: |
1179 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1260 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1180 | RETVAL = started; |
1261 | RETVAL = started; |
1181 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
1262 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1182 | OUTPUT: |
1263 | OUTPUT: |
1183 | RETVAL |
1264 | RETVAL |
1184 | |
1265 | |
1185 | void |
1266 | void |
1186 | set_sync_prepare (SV *cb) |
1267 | set_sync_prepare (SV *cb) |
1187 | PROTOTYPE: & |
1268 | PROTOTYPE: & |
1188 | CODE: |
1269 | CODE: |
1189 | SvREFCNT_dec (prepare_cb); |
1270 | SvREFCNT_dec (prepare_cb); |
1190 | prepare_cb = newSVsv (cb); |
1271 | prepare_cb = newSVsv (cb); |
1191 | |
1272 | |
|
|
1273 | char * |
|
|
1274 | strerror (int errorno = errno) |
|
|
1275 | PROTOTYPE: ;$ |
|
|
1276 | CODE: |
|
|
1277 | RETVAL = db_strerror (errorno); |
|
|
1278 | OUTPUT: |
|
|
1279 | RETVAL |
1192 | |
1280 | |
1193 | DB_ENV * |
1281 | DB_ENV * |
1194 | db_env_create (U32 env_flags = 0) |
1282 | db_env_create (U32 env_flags = 0) |
1195 | CODE: |
1283 | CODE: |
1196 | { |
1284 | { |
1197 | errno = db_env_create (&RETVAL, env_flags); |
1285 | errno = db_env_create (&RETVAL, env_flags); |
1198 | if (errno) |
1286 | if (errno) |
1199 | croak ("db_env_create: %s", db_strerror (errno)); |
1287 | croak ("db_env_create: %s", db_strerror (errno)); |
|
|
1288 | |
|
|
1289 | if (0) |
|
|
1290 | { |
|
|
1291 | RETVAL->set_errcall (RETVAL, debug_errcall); |
|
|
1292 | RETVAL->set_msgcall (RETVAL, debug_msgcall); |
|
|
1293 | } |
1200 | } |
1294 | } |
1201 | OUTPUT: |
1295 | OUTPUT: |
1202 | RETVAL |
1296 | RETVAL |
1203 | |
1297 | |
1204 | void |
1298 | void |
1205 | db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1299 | db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1206 | CODE: |
1300 | CODE: |
1207 | { |
1301 | { |
1208 | env->set_thread_count (env, get_nthreads ()); |
|
|
1209 | |
|
|
1210 | dREQ (REQ_ENV_OPEN); |
1302 | dREQ (REQ_ENV_OPEN); |
|
|
1303 | |
|
|
1304 | env->set_thread_count (env, wanted + 2); |
|
|
1305 | |
1211 | req->env = env; |
1306 | req->env = env; |
1212 | req->uint1 = open_flags | DB_THREAD; |
1307 | req->uint1 = open_flags | DB_THREAD; |
1213 | req->int1 = mode; |
1308 | req->int1 = mode; |
1214 | req->buf1 = strdup_ornull (db_home); |
1309 | req->buf1 = strdup_ornull (db_home); |
1215 | REQ_SEND; |
1310 | REQ_SEND; |
… | |
… | |
1420 | REQ_SEND; |
1515 | REQ_SEND; |
1421 | ptr_nuke (ST (0)); |
1516 | ptr_nuke (ST (0)); |
1422 | } |
1517 | } |
1423 | |
1518 | |
1424 | void |
1519 | void |
|
|
1520 | db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
|
|
1521 | CODE: |
|
|
1522 | { |
|
|
1523 | dREQ (REQ_TXN_FINISH); |
|
|
1524 | req->txn = txn; |
|
|
1525 | req->uint1 = flags; |
|
|
1526 | REQ_SEND; |
|
|
1527 | ptr_nuke (ST (0)); |
|
|
1528 | } |
|
|
1529 | |
|
|
1530 | void |
1425 | db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) |
1531 | db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) |
1426 | CODE: |
1532 | CODE: |
1427 | { |
1533 | { |
1428 | dREQ (REQ_C_CLOSE); |
1534 | dREQ (REQ_C_CLOSE); |
1429 | req->dbc = dbc; |
1535 | req->dbc = dbc; |
… | |
… | |
1607 | CODE: |
1713 | CODE: |
1608 | RETVAL = env->set_flags (env, flags, onoff); |
1714 | RETVAL = env->set_flags (env, flags, onoff); |
1609 | OUTPUT: |
1715 | OUTPUT: |
1610 | RETVAL |
1716 | RETVAL |
1611 | |
1717 | |
|
|
1718 | void set_errfile (DB_ENV *env, FILE *errfile = 0) |
|
|
1719 | CODE: |
|
|
1720 | env->set_errfile (env, errfile); |
|
|
1721 | |
|
|
1722 | void set_msgfile (DB_ENV *env, FILE *msgfile = 0) |
|
|
1723 | CODE: |
|
|
1724 | env->set_msgfile (env, msgfile); |
|
|
1725 | |
|
|
1726 | int set_verbose (DB_ENV *env, U32 which, int onoff = 1) |
|
|
1727 | CODE: |
|
|
1728 | RETVAL = env->set_verbose (env, which, onoff); |
|
|
1729 | OUTPUT: |
|
|
1730 | RETVAL |
|
|
1731 | |
1612 | int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1732 | int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1613 | CODE: |
1733 | CODE: |
1614 | RETVAL = env->set_encrypt (env, password, flags); |
1734 | RETVAL = env->set_encrypt (env, password, flags); |
1615 | OUTPUT: |
1735 | OUTPUT: |
1616 | RETVAL |
1736 | RETVAL |
1617 | |
1737 | |
1618 | int set_timeout (DB_ENV *env, NV timeout, U32 flags) |
1738 | int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
1619 | CODE: |
1739 | CODE: |
1620 | RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
1740 | RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
1621 | OUTPUT: |
1741 | OUTPUT: |
1622 | RETVAL |
1742 | RETVAL |
1623 | |
1743 | |
… | |
… | |
1700 | CODE: |
1820 | CODE: |
1701 | RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
1821 | RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
1702 | OUTPUT: |
1822 | OUTPUT: |
1703 | RETVAL |
1823 | RETVAL |
1704 | |
1824 | |
1705 | int set_flags (DB *db, U32 flags); |
1825 | int set_flags (DB *db, U32 flags) |
1706 | CODE: |
1826 | CODE: |
1707 | RETVAL = db->set_flags (db, flags); |
1827 | RETVAL = db->set_flags (db, flags); |
1708 | OUTPUT: |
1828 | OUTPUT: |
1709 | RETVAL |
1829 | RETVAL |
1710 | |
1830 | |
… | |
… | |
1724 | CODE: |
1844 | CODE: |
1725 | RETVAL = db->set_bt_minkey (db, minkey); |
1845 | RETVAL = db->set_bt_minkey (db, minkey); |
1726 | OUTPUT: |
1846 | OUTPUT: |
1727 | RETVAL |
1847 | RETVAL |
1728 | |
1848 | |
1729 | int set_re_delim(DB *db, int delim); |
1849 | int set_re_delim (DB *db, int delim) |
1730 | CODE: |
1850 | CODE: |
1731 | RETVAL = db->set_re_delim (db, delim); |
1851 | RETVAL = db->set_re_delim (db, delim); |
1732 | OUTPUT: |
1852 | OUTPUT: |
1733 | RETVAL |
1853 | RETVAL |
1734 | |
1854 | |
… | |
… | |
1795 | DESTROY (DB_TXN_ornull *txn) |
1915 | DESTROY (DB_TXN_ornull *txn) |
1796 | CODE: |
1916 | CODE: |
1797 | if (txn) |
1917 | if (txn) |
1798 | txn->abort (txn); |
1918 | txn->abort (txn); |
1799 | |
1919 | |
1800 | int set_timeout (DB_TXN *txn, NV timeout, U32 flags) |
1920 | int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
1801 | CODE: |
1921 | CODE: |
1802 | RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
1922 | RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
|
|
1923 | OUTPUT: |
|
|
1924 | RETVAL |
|
|
1925 | |
|
|
1926 | int failed (DB_TXN *txn) |
|
|
1927 | CODE: |
|
|
1928 | RETVAL = !!(txn->flags & TXN_DEADLOCK); |
1803 | OUTPUT: |
1929 | OUTPUT: |
1804 | RETVAL |
1930 | RETVAL |
1805 | |
1931 | |
1806 | |
1932 | |
1807 | MODULE = BDB PACKAGE = BDB::Cursor |
1933 | MODULE = BDB PACKAGE = BDB::Cursor |