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1 | #define _REENTRANT 1 |
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2 | #include <errno.h> |
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3 | |
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4 | #include "EXTERN.h" |
1 | #include "perl.h" |
5 | #include "perl.h" |
2 | #include "XSUB.h" |
6 | #include "XSUB.h" |
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7 | |
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8 | #include "autoconf/config.h" |
3 | |
9 | |
4 | #include <sys/types.h> |
10 | #include <sys/types.h> |
5 | #include <sys/stat.h> |
11 | #include <sys/stat.h> |
6 | |
12 | |
7 | #include <unistd.h> |
13 | #include <unistd.h> |
8 | #include <fcntl.h> |
14 | #include <fcntl.h> |
9 | #include <signal.h> |
15 | #include <signal.h> |
10 | #include <sched.h> |
16 | #include <sched.h> |
11 | #if __linux |
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12 | #include <sys/syscall.h> |
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13 | #endif |
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14 | |
17 | |
15 | #include <pthread.h> |
18 | #include <pthread.h> |
16 | |
19 | |
17 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
18 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
… | |
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26 | |
29 | |
27 | enum { |
30 | enum { |
28 | REQ_QUIT, |
31 | REQ_QUIT, |
29 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
30 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
31 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
32 | REQ_FSYNC, REQ_FDATASYNC, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
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36 | REQ_UNLINK, REQ_RMDIR, REQ_SYMLINK, |
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37 | REQ_SYMLINK, |
33 | }; |
38 | }; |
34 | |
39 | |
35 | typedef struct aio_cb { |
40 | typedef struct aio_cb { |
36 | struct aio_cb *volatile next; |
41 | struct aio_cb *volatile next; |
37 | |
42 | |
… | |
… | |
42 | size_t length; |
47 | size_t length; |
43 | ssize_t result; |
48 | ssize_t result; |
44 | mode_t mode; /* open */ |
49 | mode_t mode; /* open */ |
45 | int errorno; |
50 | int errorno; |
46 | SV *data, *callback, *fh; |
51 | SV *data, *callback, *fh; |
47 | void *dataptr; |
52 | void *dataptr, *data2ptr; |
48 | STRLEN dataoffset; |
53 | STRLEN dataoffset; |
49 | |
54 | |
50 | Stat_t *statdata; |
55 | Stat_t *statdata; |
51 | } aio_cb; |
56 | } aio_cb; |
52 | |
57 | |
… | |
… | |
57 | static int max_outstanding = 1<<30; |
62 | static int max_outstanding = 1<<30; |
58 | static int respipe [2]; |
63 | static int respipe [2]; |
59 | |
64 | |
60 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
61 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
66 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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67 | static pthread_mutex_t frklock = PTHREAD_MUTEX_INITIALIZER; |
62 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
68 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
63 | |
69 | |
64 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
70 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
65 | static volatile aio_req ress, rese; /* queue start, queue end */ |
71 | static volatile aio_req ress, rese; /* queue start, queue end */ |
66 | |
72 | |
… | |
… | |
87 | pthread_mutex_lock (&reslock); |
93 | pthread_mutex_lock (&reslock); |
88 | |
94 | |
89 | { |
95 | { |
90 | /* read any signals sent by the worker threads */ |
96 | /* read any signals sent by the worker threads */ |
91 | char buf [32]; |
97 | char buf [32]; |
92 | while (read (respipe [0], buf, 32) > 0) |
98 | while (read (respipe [0], buf, 32) == 32) |
93 | ; |
99 | ; |
94 | } |
100 | } |
95 | |
101 | |
96 | req = ress; |
102 | req = ress; |
97 | ress = rese = 0; |
103 | ress = rese = 0; |
… | |
… | |
230 | req->type = REQ_QUIT; |
236 | req->type = REQ_QUIT; |
231 | |
237 | |
232 | send_req (req); |
238 | send_req (req); |
233 | } |
239 | } |
234 | |
240 | |
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241 | |
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242 | static void min_parallel (int nthreads) |
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243 | { |
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244 | while (nthreads > started) |
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245 | start_thread (); |
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246 | } |
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247 | |
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248 | static void max_parallel (int nthreads) |
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249 | { |
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250 | int cur = started; |
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251 | while (cur > nthreads) |
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252 | { |
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253 | end_thread (); |
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254 | cur--; |
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255 | } |
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256 | |
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257 | while (started > nthreads) |
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258 | { |
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259 | poll_wait (); |
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260 | poll_cb (); |
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261 | } |
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262 | } |
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263 | |
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264 | static int fork_started; |
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265 | |
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266 | static void atfork_prepare (void) |
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267 | { |
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268 | pthread_mutex_lock (&frklock); |
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269 | |
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270 | fork_started = started; |
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271 | |
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272 | for (;;) { |
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273 | while (nreqs) |
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274 | { |
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275 | poll_wait (); |
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276 | poll_cb (); |
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277 | } |
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278 | |
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279 | max_parallel (0); |
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280 | |
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281 | pthread_mutex_lock (&reqlock); |
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282 | |
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283 | if (!nreqs && !started) |
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284 | break; |
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285 | |
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286 | pthread_mutex_unlock (&reqlock); |
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287 | |
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288 | min_parallel (fork_started); |
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289 | } |
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290 | |
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291 | pthread_mutex_lock (&reslock); |
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292 | |
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293 | assert (!started); |
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294 | assert (!nreqs); |
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295 | assert (!reqs && !reqe); |
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296 | assert (!ress && !rese); |
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297 | } |
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298 | |
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299 | static void atfork_parent (void) |
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300 | { |
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301 | pthread_mutex_unlock (&reslock); |
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302 | min_parallel (fork_started); |
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303 | pthread_mutex_unlock (&reqlock); |
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304 | pthread_mutex_unlock (&frklock); |
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305 | } |
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306 | |
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307 | static void atfork_child (void) |
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308 | { |
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309 | reqs = reqe = 0; |
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310 | |
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311 | atfork_parent (); |
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312 | } |
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313 | |
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314 | /*****************************************************************************/ |
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315 | /* work around various missing functions */ |
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316 | |
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317 | #if !HAVE_PREADWRITE |
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318 | # define pread aio_pread |
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319 | # define pwrite aio_pwrite |
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320 | |
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321 | /* |
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322 | * make our pread/pwrite safe against themselves, but not against |
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323 | * normal read/write by using a mutex. slows down execution a lot, |
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324 | * but that's your problem, not mine. |
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325 | */ |
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326 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
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327 | |
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328 | static ssize_t |
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329 | pread (int fd, void *buf, size_t count, off_t offset) |
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330 | { |
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331 | ssize_t res; |
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332 | off_t ooffset; |
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333 | |
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334 | pthread_mutex_lock (&iolock); |
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335 | ooffset = lseek (fd, 0, SEEK_CUR); |
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336 | lseek (fd, offset, SEEK_SET); |
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337 | res = read (fd, buf, count); |
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338 | lseek (fd, ooffset, SEEK_SET); |
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339 | pthread_mutex_unlock (&iolock); |
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340 | |
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341 | return res; |
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342 | } |
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343 | |
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344 | static ssize_t |
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345 | pwrite (int fd, void *buf, size_t count, off_t offset) |
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346 | { |
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347 | ssize_t res; |
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348 | off_t ooffset; |
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349 | |
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350 | pthread_mutex_lock (&iolock); |
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351 | ooffset = lseek (fd, 0, SEEK_CUR); |
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352 | lseek (fd, offset, SEEK_SET); |
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353 | res = write (fd, buf, count); |
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354 | lseek (fd, offset, SEEK_SET); |
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355 | pthread_mutex_unlock (&iolock); |
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356 | |
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357 | return res; |
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358 | } |
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359 | #endif |
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360 | |
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361 | #if !HAVE_FDATASYNC |
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362 | # define fdatasync fsync |
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363 | #endif |
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364 | |
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365 | #if !HAVE_READAHEAD |
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366 | # define readahead aio_readahead |
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367 | |
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368 | static char readahead_buf[4096]; |
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369 | |
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370 | static ssize_t |
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371 | readahead (int fd, off_t offset, size_t count) |
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372 | { |
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373 | while (count > 0) |
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374 | { |
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375 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
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376 | |
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377 | pread (fd, readahead_buf, len, offset); |
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378 | offset += len; |
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379 | count -= len; |
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380 | } |
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381 | |
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382 | errno = 0; |
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383 | } |
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384 | #endif |
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385 | |
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386 | /*****************************************************************************/ |
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387 | |
235 | static void * |
388 | static void * |
236 | aio_proc (void *thr_arg) |
389 | aio_proc (void *thr_arg) |
237 | { |
390 | { |
238 | aio_req req; |
391 | aio_req req; |
239 | int type; |
392 | int type; |
… | |
… | |
266 | |
419 | |
267 | switch (type) |
420 | switch (type) |
268 | { |
421 | { |
269 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
422 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
270 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
423 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
271 | #if SYS_readahead |
424 | |
272 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
425 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
273 | #else |
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274 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
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275 | #endif |
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276 | |
426 | |
277 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
427 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
278 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
428 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
279 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
429 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
280 | |
430 | |
281 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
431 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
282 | case REQ_CLOSE: req->result = close (req->fd); break; |
432 | case REQ_CLOSE: req->result = close (req->fd); break; |
283 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
433 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
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434 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
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435 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
284 | |
436 | |
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437 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
285 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
438 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
286 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
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287 | |
439 | |
288 | case REQ_QUIT: |
440 | case REQ_QUIT: |
289 | break; |
441 | break; |
290 | |
442 | |
291 | default: |
443 | default: |
… | |
… | |
317 | while (type != REQ_QUIT); |
469 | while (type != REQ_QUIT); |
318 | |
470 | |
319 | return 0; |
471 | return 0; |
320 | } |
472 | } |
321 | |
473 | |
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474 | #define dREQ \ |
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475 | aio_req req; \ |
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476 | \ |
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477 | if (SvOK (callback) && !SvROK (callback)) \ |
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478 | croak ("clalback must be undef or of reference type"); \ |
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479 | \ |
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480 | Newz (0, req, 1, aio_cb); \ |
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481 | if (!req) \ |
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482 | croak ("out of memory during aio_req allocation"); \ |
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483 | \ |
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484 | req->callback = SvREFCNT_inc (callback); |
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485 | |
322 | MODULE = IO::AIO PACKAGE = IO::AIO |
486 | MODULE = IO::AIO PACKAGE = IO::AIO |
323 | |
487 | |
324 | PROTOTYPES: ENABLE |
488 | PROTOTYPES: ENABLE |
325 | |
489 | |
326 | BOOT: |
490 | BOOT: |
… | |
… | |
331 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
495 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
332 | croak ("cannot set result pipe to nonblocking mode"); |
496 | croak ("cannot set result pipe to nonblocking mode"); |
333 | |
497 | |
334 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
498 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
335 | croak ("cannot set result pipe to nonblocking mode"); |
499 | croak ("cannot set result pipe to nonblocking mode"); |
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500 | |
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501 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
336 | } |
502 | } |
337 | |
503 | |
338 | void |
504 | void |
339 | min_parallel(nthreads) |
505 | min_parallel(nthreads) |
340 | int nthreads |
506 | int nthreads |
341 | PROTOTYPE: $ |
507 | PROTOTYPE: $ |
342 | CODE: |
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343 | while (nthreads > started) |
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344 | start_thread (); |
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345 | |
508 | |
346 | void |
509 | void |
347 | max_parallel(nthreads) |
510 | max_parallel(nthreads) |
348 | int nthreads |
511 | int nthreads |
349 | PROTOTYPE: $ |
512 | PROTOTYPE: $ |
350 | CODE: |
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351 | { |
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352 | int cur = started; |
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353 | while (cur > nthreads) |
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354 | { |
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355 | end_thread (); |
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356 | cur--; |
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357 | } |
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358 | |
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359 | while (started > nthreads) |
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360 | { |
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361 | poll_wait (); |
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362 | poll_cb (); |
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363 | } |
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364 | } |
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365 | |
513 | |
366 | int |
514 | int |
367 | max_outstanding(nreqs) |
515 | max_outstanding(nreqs) |
368 | int nreqs |
516 | int nreqs |
369 | PROTOTYPE: $ |
517 | PROTOTYPE: $ |
… | |
… | |
378 | int mode |
526 | int mode |
379 | SV * callback |
527 | SV * callback |
380 | PROTOTYPE: $$$;$ |
528 | PROTOTYPE: $$$;$ |
381 | CODE: |
529 | CODE: |
382 | { |
530 | { |
383 | aio_req req; |
531 | dREQ; |
384 | |
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385 | Newz (0, req, 1, aio_cb); |
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386 | |
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387 | if (!req) |
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388 | croak ("out of memory during aio_req allocation"); |
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389 | |
532 | |
390 | req->type = REQ_OPEN; |
533 | req->type = REQ_OPEN; |
391 | req->data = newSVsv (pathname); |
534 | req->data = newSVsv (pathname); |
392 | req->dataptr = SvPV_nolen (req->data); |
535 | req->dataptr = SvPVbyte_nolen (req->data); |
393 | req->fd = flags; |
536 | req->fd = flags; |
394 | req->mode = mode; |
537 | req->mode = mode; |
395 | req->callback = SvREFCNT_inc (callback); |
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396 | |
538 | |
397 | send_req (req); |
539 | send_req (req); |
398 | } |
540 | } |
399 | |
541 | |
400 | void |
542 | void |
… | |
… | |
406 | aio_close = REQ_CLOSE |
548 | aio_close = REQ_CLOSE |
407 | aio_fsync = REQ_FSYNC |
549 | aio_fsync = REQ_FSYNC |
408 | aio_fdatasync = REQ_FDATASYNC |
550 | aio_fdatasync = REQ_FDATASYNC |
409 | CODE: |
551 | CODE: |
410 | { |
552 | { |
411 | aio_req req; |
553 | dREQ; |
412 | |
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413 | Newz (0, req, 1, aio_cb); |
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414 | |
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415 | if (!req) |
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416 | croak ("out of memory during aio_req allocation"); |
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417 | |
554 | |
418 | req->type = ix; |
555 | req->type = ix; |
419 | req->fh = newSVsv (fh); |
556 | req->fh = newSVsv (fh); |
420 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
557 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
421 | req->callback = SvREFCNT_inc (callback); |
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422 | |
558 | |
423 | send_req (req); |
559 | send_req (req); |
424 | } |
560 | } |
425 | |
561 | |
426 | void |
562 | void |
… | |
… | |
437 | PROTOTYPE: $$$$$;$ |
573 | PROTOTYPE: $$$$$;$ |
438 | CODE: |
574 | CODE: |
439 | { |
575 | { |
440 | aio_req req; |
576 | aio_req req; |
441 | STRLEN svlen; |
577 | STRLEN svlen; |
442 | char *svptr = SvPV (data, svlen); |
578 | char *svptr = SvPVbyte (data, svlen); |
443 | |
579 | |
444 | SvUPGRADE (data, SVt_PV); |
580 | SvUPGRADE (data, SVt_PV); |
445 | SvPOK_on (data); |
581 | SvPOK_on (data); |
446 | |
582 | |
447 | if (dataoffset < 0) |
583 | if (dataoffset < 0) |
… | |
… | |
463 | } |
599 | } |
464 | |
600 | |
465 | if (length < 0) |
601 | if (length < 0) |
466 | croak ("length must not be negative"); |
602 | croak ("length must not be negative"); |
467 | |
603 | |
468 | Newz (0, req, 1, aio_cb); |
604 | { |
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605 | dREQ; |
469 | |
606 | |
470 | if (!req) |
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471 | croak ("out of memory during aio_req allocation"); |
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472 | |
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473 | req->type = ix; |
607 | req->type = ix; |
474 | req->fh = newSVsv (fh); |
608 | req->fh = newSVsv (fh); |
475 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
609 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
476 | : IoOFP (sv_2io (fh))); |
610 | : IoOFP (sv_2io (fh))); |
477 | req->offset = offset; |
611 | req->offset = offset; |
478 | req->length = length; |
612 | req->length = length; |
479 | req->data = SvREFCNT_inc (data); |
613 | req->data = SvREFCNT_inc (data); |
480 | req->dataptr = (char *)svptr + dataoffset; |
614 | req->dataptr = (char *)svptr + dataoffset; |
481 | req->callback = SvREFCNT_inc (callback); |
615 | req->callback = SvREFCNT_inc (callback); |
482 | |
616 | |
483 | send_req (req); |
617 | send_req (req); |
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618 | } |
484 | } |
619 | } |
485 | |
620 | |
486 | void |
621 | void |
487 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
622 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
488 | SV * fh |
623 | SV * fh |
… | |
… | |
490 | IV length |
625 | IV length |
491 | SV * callback |
626 | SV * callback |
492 | PROTOTYPE: $$$;$ |
627 | PROTOTYPE: $$$;$ |
493 | CODE: |
628 | CODE: |
494 | { |
629 | { |
495 | aio_req req; |
630 | dREQ; |
496 | |
|
|
497 | if (length < 0) |
|
|
498 | croak ("length must not be negative"); |
|
|
499 | |
|
|
500 | Newz (0, req, 1, aio_cb); |
|
|
501 | |
|
|
502 | if (!req) |
|
|
503 | croak ("out of memory during aio_req allocation"); |
|
|
504 | |
631 | |
505 | req->type = REQ_READAHEAD; |
632 | req->type = REQ_READAHEAD; |
506 | req->fh = newSVsv (fh); |
633 | req->fh = newSVsv (fh); |
507 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
634 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
508 | req->offset = offset; |
635 | req->offset = offset; |
509 | req->length = length; |
636 | req->length = length; |
510 | req->callback = SvREFCNT_inc (callback); |
|
|
511 | |
637 | |
512 | send_req (req); |
638 | send_req (req); |
513 | } |
639 | } |
514 | |
640 | |
515 | void |
641 | void |
… | |
… | |
519 | ALIAS: |
645 | ALIAS: |
520 | aio_stat = REQ_STAT |
646 | aio_stat = REQ_STAT |
521 | aio_lstat = REQ_LSTAT |
647 | aio_lstat = REQ_LSTAT |
522 | CODE: |
648 | CODE: |
523 | { |
649 | { |
524 | aio_req req; |
650 | dREQ; |
525 | |
|
|
526 | Newz (0, req, 1, aio_cb); |
|
|
527 | |
|
|
528 | if (!req) |
|
|
529 | croak ("out of memory during aio_req allocation"); |
|
|
530 | |
651 | |
531 | New (0, req->statdata, 1, Stat_t); |
652 | New (0, req->statdata, 1, Stat_t); |
532 | |
|
|
533 | if (!req->statdata) |
653 | if (!req->statdata) |
534 | croak ("out of memory during aio_req->statdata allocation"); |
654 | croak ("out of memory during aio_req->statdata allocation (sorry, i just leaked memory, too)"); |
535 | |
655 | |
536 | if (SvPOK (fh_or_path)) |
656 | if (SvPOK (fh_or_path)) |
537 | { |
657 | { |
538 | req->type = ix; |
658 | req->type = ix; |
539 | req->data = newSVsv (fh_or_path); |
659 | req->data = newSVsv (fh_or_path); |
540 | req->dataptr = SvPV_nolen (req->data); |
660 | req->dataptr = SvPVbyte_nolen (req->data); |
541 | } |
661 | } |
542 | else |
662 | else |
543 | { |
663 | { |
544 | req->type = REQ_FSTAT; |
664 | req->type = REQ_FSTAT; |
545 | req->fh = newSVsv (fh_or_path); |
665 | req->fh = newSVsv (fh_or_path); |
546 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
666 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
547 | } |
667 | } |
548 | |
668 | |
549 | req->callback = SvREFCNT_inc (callback); |
|
|
550 | |
|
|
551 | send_req (req); |
669 | send_req (req); |
552 | } |
670 | } |
553 | |
671 | |
554 | void |
672 | void |
555 | aio_unlink(pathname,callback=&PL_sv_undef) |
673 | aio_unlink(pathname,callback=&PL_sv_undef) |
556 | SV * pathname |
674 | SV * pathname |
557 | SV * callback |
675 | SV * callback |
|
|
676 | ALIAS: |
|
|
677 | aio_unlink = REQ_UNLINK |
|
|
678 | aio_rmdir = REQ_RMDIR |
558 | CODE: |
679 | CODE: |
559 | { |
680 | { |
560 | aio_req req; |
681 | dREQ; |
561 | |
682 | |
562 | Newz (0, req, 1, aio_cb); |
683 | req->type = ix; |
|
|
684 | req->data = newSVsv (pathname); |
|
|
685 | req->dataptr = SvPVbyte_nolen (req->data); |
563 | |
686 | |
564 | if (!req) |
687 | send_req (req); |
565 | croak ("out of memory during aio_req allocation"); |
688 | } |
|
|
689 | |
|
|
690 | void |
|
|
691 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
|
|
692 | SV * oldpath |
|
|
693 | SV * newpath |
|
|
694 | SV * callback |
|
|
695 | CODE: |
|
|
696 | { |
|
|
697 | dREQ; |
566 | |
698 | |
567 | req->type = REQ_UNLINK; |
699 | req->type = REQ_SYMLINK; |
|
|
700 | req->fh = newSVsv (oldpath); |
|
|
701 | req->data2ptr = SvPVbyte_nolen (req->fh); |
568 | req->data = newSVsv (pathname); |
702 | req->data = newSVsv (newpath); |
569 | req->dataptr = SvPV_nolen (req->data); |
703 | req->dataptr = SvPVbyte_nolen (req->data); |
570 | req->callback = SvREFCNT_inc (callback); |
|
|
571 | |
704 | |
572 | send_req (req); |
705 | send_req (req); |
573 | } |
706 | } |
574 | |
707 | |
575 | void |
708 | void |