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 | 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 | |
60 | static inline char * |
62 | static char * |
61 | strdup_ornull (const char *s) |
63 | strdup_ornull (const char *s) |
62 | { |
64 | { |
63 | return s ? strdup (s) : 0; |
65 | return s ? strdup (s) : 0; |
64 | } |
66 | } |
65 | |
67 | |
66 | static inline void |
68 | static void |
67 | sv_to_dbt (DBT *dbt, SV *sv) |
69 | sv_to_dbt (DBT *dbt, SV *sv) |
68 | { |
70 | { |
69 | STRLEN len; |
71 | STRLEN len; |
70 | char *data = SvPVbyte (sv, len); |
72 | char *data = SvPVbyte (sv, len); |
71 | |
73 | |
… | |
… | |
73 | memcpy (dbt->data, data, len); |
75 | memcpy (dbt->data, data, len); |
74 | dbt->size = len; |
76 | dbt->size = len; |
75 | dbt->flags = DB_DBT_REALLOC; |
77 | dbt->flags = DB_DBT_REALLOC; |
76 | } |
78 | } |
77 | |
79 | |
78 | static inline void |
80 | static void |
79 | dbt_to_sv (SV *sv, DBT *dbt) |
81 | dbt_to_sv (SV *sv, DBT *dbt) |
80 | { |
82 | { |
81 | if (sv) |
83 | if (sv) |
82 | { |
84 | { |
83 | SvREADONLY_off (sv); |
85 | SvREADONLY_off (sv); |
… | |
… | |
147 | |
149 | |
148 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
150 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
149 | |
151 | |
150 | static unsigned int started, idle, wanted; |
152 | static unsigned int started, idle, wanted; |
151 | |
153 | |
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 */ |
154 | /* worker threads management */ |
162 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
155 | static mutex_t wrklock = X_MUTEX_INIT; |
163 | |
156 | |
164 | typedef struct worker { |
157 | typedef struct worker { |
165 | /* locked by wrklock */ |
158 | /* locked by wrklock */ |
166 | struct worker *prev, *next; |
159 | struct worker *prev, *next; |
167 | |
160 | |
168 | pthread_t tid; |
161 | thread_t tid; |
169 | |
162 | |
170 | /* locked by reslock, reqlock or wrklock */ |
163 | /* locked by reslock, reqlock or wrklock */ |
171 | aio_req req; /* currently processed request */ |
164 | aio_req req; /* currently processed request */ |
172 | void *dbuf; |
165 | void *dbuf; |
173 | DIR *dirp; |
166 | DIR *dirp; |
… | |
… | |
188 | } |
181 | } |
189 | |
182 | |
190 | static volatile unsigned int nreqs, nready, npending; |
183 | static volatile unsigned int nreqs, nready, npending; |
191 | static volatile unsigned int max_idle = 4; |
184 | static volatile unsigned int max_idle = 4; |
192 | static volatile unsigned int max_outstanding = 0xffffffff; |
185 | static volatile unsigned int max_outstanding = 0xffffffff; |
193 | static int respipe [2]; |
186 | static int respipe [2], respipe_osf [2]; |
194 | |
187 | |
195 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
188 | static mutex_t reslock = X_MUTEX_INIT; |
196 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
189 | static mutex_t reqlock = X_MUTEX_INIT; |
197 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
190 | static cond_t reqwait = X_COND_INIT; |
198 | |
191 | |
199 | #if WORDACCESS_UNSAFE |
192 | #if WORDACCESS_UNSAFE |
200 | |
193 | |
201 | static unsigned int get_nready () |
194 | static unsigned int get_nready () |
202 | { |
195 | { |
203 | unsigned int retval; |
196 | unsigned int retval; |
204 | |
197 | |
205 | LOCK (reqlock); |
198 | X_LOCK (reqlock); |
206 | retval = nready; |
199 | retval = nready; |
207 | UNLOCK (reqlock); |
200 | X_UNLOCK (reqlock); |
208 | |
201 | |
209 | return retval; |
202 | return retval; |
210 | } |
203 | } |
211 | |
204 | |
212 | static unsigned int get_npending () |
205 | static unsigned int get_npending () |
213 | { |
206 | { |
214 | unsigned int retval; |
207 | unsigned int retval; |
215 | |
208 | |
216 | LOCK (reslock); |
209 | X_LOCK (reslock); |
217 | retval = npending; |
210 | retval = npending; |
218 | UNLOCK (reslock); |
211 | X_UNLOCK (reslock); |
219 | |
212 | |
220 | return retval; |
213 | return retval; |
221 | } |
214 | } |
222 | |
215 | |
223 | static unsigned int get_nthreads () |
216 | static unsigned int get_nthreads () |
224 | { |
217 | { |
225 | unsigned int retval; |
218 | unsigned int retval; |
226 | |
219 | |
227 | LOCK (wrklock); |
220 | X_LOCK (wrklock); |
228 | retval = started; |
221 | retval = started; |
229 | UNLOCK (wrklock); |
222 | X_UNLOCK (wrklock); |
230 | |
223 | |
231 | return retval; |
224 | return retval; |
232 | } |
225 | } |
233 | |
226 | |
234 | #else |
227 | #else |
… | |
… | |
369 | free (req->buf1); |
362 | free (req->buf1); |
370 | free (req->buf2); |
363 | free (req->buf2); |
371 | Safefree (req); |
364 | Safefree (req); |
372 | } |
365 | } |
373 | |
366 | |
374 | 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 | |
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392 | X_THREAD_PROC (bdb_proc); |
375 | |
393 | |
376 | static void start_thread (void) |
394 | static void start_thread (void) |
377 | { |
395 | { |
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)); |
396 | worker *wrk = calloc (1, sizeof (worker)); |
382 | |
397 | |
383 | if (!wrk) |
398 | if (!wrk) |
384 | croak ("unable to allocate worker thread data"); |
399 | croak ("unable to allocate worker thread data"); |
385 | |
400 | |
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); |
401 | 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) |
402 | if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
398 | { |
403 | { |
399 | wrk->prev = &wrk_first; |
404 | wrk->prev = &wrk_first; |
400 | wrk->next = wrk_first.next; |
405 | wrk->next = wrk_first.next; |
401 | wrk_first.next->prev = wrk; |
406 | wrk_first.next->prev = wrk; |
402 | wrk_first.next = wrk; |
407 | wrk_first.next = wrk; |
403 | ++started; |
408 | ++started; |
404 | } |
409 | } |
405 | else |
410 | else |
406 | free (wrk); |
411 | free (wrk); |
407 | |
412 | |
408 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
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409 | UNLOCK (wrklock); |
413 | X_UNLOCK (wrklock); |
410 | } |
414 | } |
411 | |
415 | |
412 | static void maybe_start_thread () |
416 | static void maybe_start_thread () |
413 | { |
417 | { |
414 | if (get_nthreads () >= wanted) |
418 | if (get_nthreads () >= wanted) |
… | |
… | |
426 | SV *wait_callback = 0; |
430 | SV *wait_callback = 0; |
427 | |
431 | |
428 | // synthesize callback if none given |
432 | // synthesize callback if none given |
429 | if (!SvOK (req->callback)) |
433 | if (!SvOK (req->callback)) |
430 | { |
434 | { |
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435 | int count; |
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436 | |
431 | dSP; |
437 | dSP; |
432 | PUSHMARK (SP); |
438 | PUSHMARK (SP); |
433 | PUTBACK; |
439 | PUTBACK; |
434 | int count = call_sv (prepare_cb, G_ARRAY); |
440 | count = call_sv (prepare_cb, G_ARRAY); |
435 | SPAGAIN; |
441 | SPAGAIN; |
436 | |
442 | |
437 | if (count != 2) |
443 | if (count != 2) |
438 | croak ("prepare callback must return exactly two values\n"); |
444 | croak ("prepare callback must return exactly two values\n"); |
439 | |
445 | |
… | |
… | |
442 | req->callback = SvREFCNT_inc (POPs); |
448 | req->callback = SvREFCNT_inc (POPs); |
443 | } |
449 | } |
444 | |
450 | |
445 | ++nreqs; |
451 | ++nreqs; |
446 | |
452 | |
447 | LOCK (reqlock); |
453 | X_LOCK (reqlock); |
448 | ++nready; |
454 | ++nready; |
449 | reqq_push (&req_queue, req); |
455 | reqq_push (&req_queue, req); |
450 | pthread_cond_signal (&reqwait); |
456 | X_COND_SIGNAL (reqwait); |
451 | UNLOCK (reqlock); |
457 | X_UNLOCK (reqlock); |
452 | |
458 | |
453 | maybe_start_thread (); |
459 | maybe_start_thread (); |
454 | |
460 | |
455 | if (wait_callback) |
461 | if (wait_callback) |
456 | { |
462 | { |
… | |
… | |
469 | Newz (0, req, 1, aio_cb); |
475 | Newz (0, req, 1, aio_cb); |
470 | |
476 | |
471 | req->type = REQ_QUIT; |
477 | req->type = REQ_QUIT; |
472 | req->pri = PRI_MAX + PRI_BIAS; |
478 | req->pri = PRI_MAX + PRI_BIAS; |
473 | |
479 | |
474 | LOCK (reqlock); |
480 | X_LOCK (reqlock); |
475 | reqq_push (&req_queue, req); |
481 | reqq_push (&req_queue, req); |
476 | pthread_cond_signal (&reqwait); |
482 | X_COND_SIGNAL (reqwait); |
477 | UNLOCK (reqlock); |
483 | X_UNLOCK (reqlock); |
478 | |
484 | |
479 | LOCK (wrklock); |
485 | X_LOCK (wrklock); |
480 | --started; |
486 | --started; |
481 | UNLOCK (wrklock); |
487 | X_UNLOCK (wrklock); |
482 | } |
488 | } |
483 | |
489 | |
484 | static void set_max_idle (int nthreads) |
490 | static void set_max_idle (int nthreads) |
485 | { |
491 | { |
486 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
492 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
487 | max_idle = nthreads <= 0 ? 1 : nthreads; |
493 | max_idle = nthreads <= 0 ? 1 : nthreads; |
488 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
494 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
489 | } |
495 | } |
490 | |
496 | |
491 | static void min_parallel (int nthreads) |
497 | static void min_parallel (int nthreads) |
492 | { |
498 | { |
493 | if (wanted < nthreads) |
499 | if (wanted < nthreads) |
… | |
… | |
508 | fd_set rfd; |
514 | fd_set rfd; |
509 | |
515 | |
510 | while (nreqs) |
516 | while (nreqs) |
511 | { |
517 | { |
512 | int size; |
518 | int size; |
513 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
519 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
514 | size = res_queue.size; |
520 | size = res_queue.size; |
515 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
521 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
516 | |
522 | |
517 | if (size) |
523 | if (size) |
518 | return; |
524 | return; |
519 | |
525 | |
520 | maybe_start_thread (); |
526 | maybe_start_thread (); |
521 | |
527 | |
522 | FD_ZERO(&rfd); |
528 | FD_ZERO (&rfd); |
523 | FD_SET(respipe [0], &rfd); |
529 | FD_SET (respipe [0], &rfd); |
524 | |
530 | |
525 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
531 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
526 | } |
532 | } |
527 | } |
533 | } |
528 | |
534 | |
529 | static int poll_cb () |
535 | static int poll_cb () |
530 | { |
536 | { |
… | |
… | |
542 | { |
548 | { |
543 | for (;;) |
549 | for (;;) |
544 | { |
550 | { |
545 | maybe_start_thread (); |
551 | maybe_start_thread (); |
546 | |
552 | |
547 | LOCK (reslock); |
553 | X_LOCK (reslock); |
548 | req = reqq_shift (&res_queue); |
554 | req = reqq_shift (&res_queue); |
549 | |
555 | |
550 | if (req) |
556 | if (req) |
551 | { |
557 | { |
552 | --npending; |
558 | --npending; |
553 | |
559 | |
554 | if (!res_queue.size) |
560 | if (!res_queue.size) |
555 | { |
561 | { |
556 | /* read any signals sent by the worker threads */ |
562 | /* read any signals sent by the worker threads */ |
557 | char buf [4]; |
563 | char buf [4]; |
558 | while (read (respipe [0], buf, 4) == 4) |
564 | while (respipe_read (respipe [0], buf, 4) == 4) |
559 | ; |
565 | ; |
560 | } |
566 | } |
561 | } |
567 | } |
562 | |
568 | |
563 | UNLOCK (reslock); |
569 | X_UNLOCK (reslock); |
564 | |
570 | |
565 | if (!req) |
571 | if (!req) |
566 | break; |
572 | break; |
567 | |
573 | |
568 | --nreqs; |
574 | --nreqs; |
… | |
… | |
598 | } |
604 | } |
599 | |
605 | |
600 | return count; |
606 | return count; |
601 | } |
607 | } |
602 | |
608 | |
603 | static void create_pipe () |
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604 | { |
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605 | if (pipe (respipe)) |
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606 | croak ("unable to initialize result pipe"); |
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607 | |
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608 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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609 | croak ("cannot set result pipe to nonblocking mode"); |
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610 | |
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611 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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612 | croak ("cannot set result pipe to nonblocking mode"); |
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613 | } |
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614 | |
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615 | /*****************************************************************************/ |
609 | /*****************************************************************************/ |
616 | |
610 | |
617 | static void *aio_proc (void *thr_arg) |
611 | X_THREAD_PROC (bdb_proc) |
618 | { |
612 | { |
619 | aio_req req; |
613 | aio_req req; |
620 | struct timespec ts; |
614 | struct timespec ts; |
621 | worker *self = (worker *)thr_arg; |
615 | worker *self = (worker *)thr_arg; |
622 | |
616 | |
623 | /* try to distribute timeouts somewhat evenly */ |
617 | /* try to distribute timeouts somewhat evenly */ |
624 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
618 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
625 | * (1000000000UL / 1024UL); |
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626 | |
619 | |
627 | for (;;) |
620 | for (;;) |
628 | { |
621 | { |
629 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
622 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
630 | |
623 | |
631 | LOCK (reqlock); |
624 | X_LOCK (reqlock); |
632 | |
625 | |
633 | for (;;) |
626 | for (;;) |
634 | { |
627 | { |
635 | self->req = req = reqq_shift (&req_queue); |
628 | self->req = req = reqq_shift (&req_queue); |
636 | |
629 | |
637 | if (req) |
630 | if (req) |
638 | break; |
631 | break; |
639 | |
632 | |
640 | ++idle; |
633 | ++idle; |
641 | |
634 | |
642 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
635 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
643 | == ETIMEDOUT) |
636 | == ETIMEDOUT) |
644 | { |
637 | { |
645 | if (idle > max_idle) |
638 | if (idle > max_idle) |
646 | { |
639 | { |
647 | --idle; |
640 | --idle; |
648 | UNLOCK (reqlock); |
641 | X_UNLOCK (reqlock); |
649 | LOCK (wrklock); |
642 | X_LOCK (wrklock); |
650 | --started; |
643 | --started; |
651 | UNLOCK (wrklock); |
644 | X_UNLOCK (wrklock); |
652 | goto quit; |
645 | goto quit; |
653 | } |
646 | } |
654 | |
647 | |
655 | /* we are allowed to idle, so do so without any timeout */ |
648 | /* we are allowed to idle, so do so without any timeout */ |
656 | pthread_cond_wait (&reqwait, &reqlock); |
649 | X_COND_WAIT (reqwait, reqlock); |
657 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
650 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
658 | } |
651 | } |
659 | |
652 | |
660 | --idle; |
653 | --idle; |
661 | } |
654 | } |
662 | |
655 | |
663 | --nready; |
656 | --nready; |
664 | |
657 | |
665 | UNLOCK (reqlock); |
658 | X_UNLOCK (reqlock); |
666 | |
659 | |
667 | switch (req->type) |
660 | switch (req->type) |
668 | { |
661 | { |
669 | case REQ_QUIT: |
662 | case REQ_QUIT: |
670 | goto quit; |
663 | goto quit; |
… | |
… | |
784 | default: |
777 | default: |
785 | req->result = ENOSYS; |
778 | req->result = ENOSYS; |
786 | break; |
779 | break; |
787 | } |
780 | } |
788 | |
781 | |
789 | LOCK (reslock); |
782 | X_LOCK (reslock); |
790 | |
783 | |
791 | ++npending; |
784 | ++npending; |
792 | |
785 | |
793 | if (!reqq_push (&res_queue, req)) |
786 | if (!reqq_push (&res_queue, req)) |
794 | /* write a dummy byte to the pipe so fh becomes ready */ |
787 | /* write a dummy byte to the pipe so fh becomes ready */ |
795 | write (respipe [1], &respipe, 1); |
788 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
796 | |
789 | |
797 | self->req = 0; |
790 | self->req = 0; |
798 | worker_clear (self); |
791 | worker_clear (self); |
799 | |
792 | |
800 | UNLOCK (reslock); |
793 | X_UNLOCK (reslock); |
801 | } |
794 | } |
802 | |
795 | |
803 | quit: |
796 | quit: |
804 | LOCK (wrklock); |
797 | X_LOCK (wrklock); |
805 | worker_free (self); |
798 | worker_free (self); |
806 | UNLOCK (wrklock); |
799 | X_UNLOCK (wrklock); |
807 | |
800 | |
808 | return 0; |
801 | return 0; |
809 | } |
802 | } |
810 | |
803 | |
811 | /*****************************************************************************/ |
804 | /*****************************************************************************/ |
812 | |
805 | |
813 | static void atfork_prepare (void) |
806 | static void atfork_prepare (void) |
814 | { |
807 | { |
815 | LOCK (wrklock); |
808 | X_LOCK (wrklock); |
816 | LOCK (reqlock); |
809 | X_LOCK (reqlock); |
817 | LOCK (reslock); |
810 | X_LOCK (reslock); |
818 | } |
811 | } |
819 | |
812 | |
820 | static void atfork_parent (void) |
813 | static void atfork_parent (void) |
821 | { |
814 | { |
822 | UNLOCK (reslock); |
815 | X_UNLOCK (reslock); |
823 | UNLOCK (reqlock); |
816 | X_UNLOCK (reqlock); |
824 | UNLOCK (wrklock); |
817 | X_UNLOCK (wrklock); |
825 | } |
818 | } |
826 | |
819 | |
827 | static void atfork_child (void) |
820 | static void atfork_child (void) |
828 | { |
821 | { |
829 | aio_req prv; |
822 | aio_req prv; |
… | |
… | |
849 | idle = 0; |
842 | idle = 0; |
850 | nreqs = 0; |
843 | nreqs = 0; |
851 | nready = 0; |
844 | nready = 0; |
852 | npending = 0; |
845 | npending = 0; |
853 | |
846 | |
854 | close (respipe [0]); |
847 | respipe_close (respipe [0]); |
855 | close (respipe [1]); |
848 | respipe_close (respipe [1]); |
|
|
849 | |
856 | create_pipe (); |
850 | create_pipe (respipe); |
857 | |
851 | |
858 | atfork_parent (); |
852 | atfork_parent (); |
859 | } |
853 | } |
860 | |
854 | |
861 | #define dREQ(reqtype) \ |
855 | #define dREQ(reqtype) \ |
… | |
… | |
940 | const_iv (DSYNC_DB) |
934 | const_iv (DSYNC_DB) |
941 | const_iv (DSYNC_LOG) |
935 | const_iv (DSYNC_LOG) |
942 | const_iv (LOG_AUTOREMOVE) |
936 | const_iv (LOG_AUTOREMOVE) |
943 | const_iv (LOG_INMEMORY) |
937 | const_iv (LOG_INMEMORY) |
944 | const_iv (NOLOCKING) |
938 | const_iv (NOLOCKING) |
945 | const_iv (MULTIVERSION) |
|
|
946 | const_iv (NOMMAP) |
939 | const_iv (NOMMAP) |
947 | const_iv (NOPANIC) |
940 | const_iv (NOPANIC) |
948 | const_iv (OVERWRITE) |
941 | const_iv (OVERWRITE) |
949 | const_iv (PANIC_ENVIRONMENT) |
942 | const_iv (PANIC_ENVIRONMENT) |
950 | const_iv (REGION_INIT) |
943 | const_iv (REGION_INIT) |
951 | const_iv (TIME_NOTGRANTED) |
944 | const_iv (TIME_NOTGRANTED) |
952 | const_iv (TXN_NOSYNC) |
945 | const_iv (TXN_NOSYNC) |
953 | const_iv (TXN_SNAPSHOT) |
|
|
954 | const_iv (TXN_WRITE_NOSYNC) |
946 | const_iv (TXN_WRITE_NOSYNC) |
955 | const_iv (WRITECURSOR) |
947 | const_iv (WRITECURSOR) |
956 | const_iv (YIELDCPU) |
948 | const_iv (YIELDCPU) |
957 | const_iv (ENCRYPT_AES) |
949 | const_iv (ENCRYPT_AES) |
958 | const_iv (XA_CREATE) |
950 | const_iv (XA_CREATE) |
… | |
… | |
1001 | const_iv (APPEND) |
993 | const_iv (APPEND) |
1002 | const_iv (NODUPDATA) |
994 | const_iv (NODUPDATA) |
1003 | const_iv (NOOVERWRITE) |
995 | const_iv (NOOVERWRITE) |
1004 | |
996 | |
1005 | const_iv (TXN_NOWAIT) |
997 | const_iv (TXN_NOWAIT) |
1006 | const_iv (TXN_SNAPSHOT) |
|
|
1007 | const_iv (TXN_SYNC) |
998 | const_iv (TXN_SYNC) |
1008 | |
999 | |
1009 | const_iv (SET_LOCK_TIMEOUT) |
1000 | const_iv (SET_LOCK_TIMEOUT) |
1010 | const_iv (SET_TXN_TIMEOUT) |
1001 | const_iv (SET_TXN_TIMEOUT) |
1011 | |
1002 | |
… | |
… | |
1039 | const_iv (LOCK_YOUNGEST) |
1030 | const_iv (LOCK_YOUNGEST) |
1040 | |
1031 | |
1041 | const_iv (SEQ_DEC) |
1032 | const_iv (SEQ_DEC) |
1042 | const_iv (SEQ_INC) |
1033 | const_iv (SEQ_INC) |
1043 | 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 |
|
|
1078 | #if DB_VERSION_MINOR >= 6 |
|
|
1079 | const_iv (DB_PREV_DUP) |
|
|
1080 | #endif |
1044 | }; |
1081 | }; |
1045 | |
1082 | |
1046 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1083 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1047 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1084 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1048 | |
1085 | |
1049 | create_pipe (); |
1086 | newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); |
|
|
1087 | newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
|
|
1088 | |
|
|
1089 | create_pipe (respipe); |
|
|
1090 | |
1050 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1091 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
|
|
1092 | #ifdef _WIN32 |
|
|
1093 | X_MUTEX_CHECK (wrklock); |
|
|
1094 | X_MUTEX_CHECK (reslock); |
|
|
1095 | X_MUTEX_CHECK (reqlock); |
|
|
1096 | |
|
|
1097 | X_COND_CHECK (reqwait); |
|
|
1098 | #endif |
1051 | } |
1099 | } |
1052 | |
1100 | |
1053 | void |
1101 | void |
1054 | max_poll_reqs (int nreqs) |
1102 | max_poll_reqs (int nreqs) |
1055 | PROTOTYPE: $ |
1103 | PROTOTYPE: $ |
… | |
… | |
1174 | |
1222 | |
1175 | int |
1223 | int |
1176 | nthreads () |
1224 | nthreads () |
1177 | PROTOTYPE: |
1225 | PROTOTYPE: |
1178 | CODE: |
1226 | CODE: |
1179 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1227 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1180 | RETVAL = started; |
1228 | RETVAL = started; |
1181 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
1229 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1182 | OUTPUT: |
1230 | OUTPUT: |
1183 | RETVAL |
1231 | RETVAL |
1184 | |
1232 | |
1185 | void |
1233 | void |
1186 | set_sync_prepare (SV *cb) |
1234 | set_sync_prepare (SV *cb) |
1187 | PROTOTYPE: & |
1235 | PROTOTYPE: & |
1188 | CODE: |
1236 | CODE: |
1189 | SvREFCNT_dec (prepare_cb); |
1237 | SvREFCNT_dec (prepare_cb); |
1190 | prepare_cb = newSVsv (cb); |
1238 | prepare_cb = newSVsv (cb); |
1191 | |
1239 | |
|
|
1240 | char * |
|
|
1241 | strerror (int errorno = errno) |
|
|
1242 | PROTOTYPE: ;$ |
|
|
1243 | CODE: |
|
|
1244 | RETVAL = db_strerror (errorno); |
|
|
1245 | OUTPUT: |
|
|
1246 | RETVAL |
1192 | |
1247 | |
1193 | DB_ENV * |
1248 | DB_ENV * |
1194 | db_env_create (U32 env_flags = 0) |
1249 | db_env_create (U32 env_flags = 0) |
1195 | CODE: |
1250 | CODE: |
1196 | { |
1251 | { |
1197 | errno = db_env_create (&RETVAL, env_flags); |
1252 | errno = db_env_create (&RETVAL, env_flags); |
1198 | if (errno) |
1253 | if (errno) |
1199 | croak ("db_env_create: %s", db_strerror (errno)); |
1254 | croak ("db_env_create: %s", db_strerror (errno)); |
|
|
1255 | |
|
|
1256 | if (0) |
|
|
1257 | { |
|
|
1258 | RETVAL->set_errcall (RETVAL, debug_errcall); |
|
|
1259 | RETVAL->set_msgcall (RETVAL, debug_msgcall); |
|
|
1260 | } |
1200 | } |
1261 | } |
1201 | OUTPUT: |
1262 | OUTPUT: |
1202 | RETVAL |
1263 | RETVAL |
1203 | |
1264 | |
1204 | void |
1265 | void |
1205 | db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1266 | db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1206 | CODE: |
1267 | CODE: |
1207 | { |
1268 | { |
1208 | env->set_thread_count (env, get_nthreads ()); |
|
|
1209 | |
|
|
1210 | dREQ (REQ_ENV_OPEN); |
1269 | dREQ (REQ_ENV_OPEN); |
|
|
1270 | |
|
|
1271 | env->set_thread_count (env, wanted + 2); |
|
|
1272 | |
1211 | req->env = env; |
1273 | req->env = env; |
1212 | req->uint1 = open_flags | DB_THREAD; |
1274 | req->uint1 = open_flags | DB_THREAD; |
1213 | req->int1 = mode; |
1275 | req->int1 = mode; |
1214 | req->buf1 = strdup_ornull (db_home); |
1276 | req->buf1 = strdup_ornull (db_home); |
1215 | REQ_SEND; |
1277 | REQ_SEND; |
… | |
… | |
1607 | CODE: |
1669 | CODE: |
1608 | RETVAL = env->set_flags (env, flags, onoff); |
1670 | RETVAL = env->set_flags (env, flags, onoff); |
1609 | OUTPUT: |
1671 | OUTPUT: |
1610 | RETVAL |
1672 | RETVAL |
1611 | |
1673 | |
|
|
1674 | void set_errfile (DB_ENV *env, FILE *errfile) |
|
|
1675 | CODE: |
|
|
1676 | env->set_errfile (env, errfile); |
|
|
1677 | |
|
|
1678 | void set_msgfile (DB_ENV *env, FILE *msgfile) |
|
|
1679 | CODE: |
|
|
1680 | env->set_msgfile (env, msgfile); |
|
|
1681 | |
|
|
1682 | int set_verbose (DB_ENV *env, U32 which, int onoff = 1) |
|
|
1683 | CODE: |
|
|
1684 | RETVAL = env->set_verbose (env, which, onoff); |
|
|
1685 | OUTPUT: |
|
|
1686 | RETVAL |
|
|
1687 | |
1612 | int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1688 | int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1613 | CODE: |
1689 | CODE: |
1614 | RETVAL = env->set_encrypt (env, password, flags); |
1690 | RETVAL = env->set_encrypt (env, password, flags); |
1615 | OUTPUT: |
1691 | OUTPUT: |
1616 | RETVAL |
1692 | RETVAL |