|
|
1 | #define _REENTRANT 1 |
|
|
2 | #include <errno.h> |
|
|
3 | |
1 | #include "EXTERN.h" |
4 | #include "EXTERN.h" |
2 | #include "perl.h" |
5 | #include "perl.h" |
3 | #include "XSUB.h" |
6 | #include "XSUB.h" |
4 | |
7 | |
5 | #define _XOPEN_SOURCE 500 |
8 | #include "autoconf/config.h" |
6 | |
9 | |
7 | #include <sys/types.h> |
10 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
11 | #include <sys/stat.h> |
9 | |
12 | |
10 | #include <unistd.h> |
13 | #include <unistd.h> |
11 | #include <fcntl.h> |
14 | #include <fcntl.h> |
12 | #include <signal.h> |
15 | #include <signal.h> |
13 | #include <sched.h> |
16 | #include <sched.h> |
14 | #if __linux |
|
|
15 | #include <sys/syscall.h> |
|
|
16 | #endif |
|
|
17 | |
17 | |
18 | #include <pthread.h> |
18 | #include <pthread.h> |
19 | |
19 | |
20 | 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 ;) */ |
21 | 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 ;) */ |
… | |
… | |
29 | |
29 | |
30 | enum { |
30 | enum { |
31 | REQ_QUIT, |
31 | REQ_QUIT, |
32 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
36 | REQ_UNLINK, REQ_RMDIR, REQ_SYMLINK, |
|
|
37 | REQ_SYMLINK, |
36 | }; |
38 | }; |
37 | |
39 | |
38 | typedef struct aio_cb { |
40 | typedef struct aio_cb { |
39 | struct aio_cb *volatile next; |
41 | struct aio_cb *volatile next; |
40 | |
42 | |
… | |
… | |
44 | off_t offset; |
46 | off_t offset; |
45 | size_t length; |
47 | size_t length; |
46 | ssize_t result; |
48 | ssize_t result; |
47 | mode_t mode; /* open */ |
49 | mode_t mode; /* open */ |
48 | int errorno; |
50 | int errorno; |
49 | SV *data, *callback; |
51 | SV *data, *callback, *fh; |
50 | void *dataptr; |
52 | void *dataptr, *data2ptr; |
51 | STRLEN dataoffset; |
53 | STRLEN dataoffset; |
52 | |
54 | |
53 | Stat_t *statdata; |
55 | Stat_t *statdata; |
54 | } aio_cb; |
56 | } aio_cb; |
55 | |
57 | |
56 | typedef aio_cb *aio_req; |
58 | typedef aio_cb *aio_req; |
57 | |
59 | |
58 | static int started; |
60 | static int started; |
59 | static int nreqs; |
61 | static volatile int nreqs; |
60 | static int max_outstanding = 1<<30; |
62 | static int max_outstanding = 1<<30; |
61 | static int respipe [2]; |
63 | static int respipe [2]; |
62 | |
64 | |
63 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
64 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
66 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
67 | static pthread_mutex_t frklock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
68 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
66 | |
69 | |
67 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
70 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
68 | static volatile aio_req ress, rese; /* queue start, queue end */ |
71 | static volatile aio_req ress, rese; /* queue start, queue end */ |
69 | |
72 | |
70 | static void |
73 | static void |
71 | poll_wait () |
74 | poll_wait () |
72 | { |
75 | { |
73 | if (!nreqs) |
76 | if (nreqs && !ress) |
74 | return; |
77 | { |
75 | |
|
|
76 | fd_set rfd; |
78 | fd_set rfd; |
77 | FD_ZERO(&rfd); |
79 | FD_ZERO(&rfd); |
78 | FD_SET(respipe [0], &rfd); |
80 | FD_SET(respipe [0], &rfd); |
79 | |
81 | |
80 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
82 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
83 | } |
81 | } |
84 | } |
82 | |
85 | |
83 | static int |
86 | static int |
84 | poll_cb () |
87 | poll_cb () |
85 | { |
88 | { |
86 | dSP; |
89 | dSP; |
87 | int count = 0; |
90 | int count = 0; |
88 | aio_req req; |
91 | aio_req req, prv; |
89 | |
92 | |
|
|
93 | pthread_mutex_lock (&reslock); |
|
|
94 | |
90 | { |
95 | { |
91 | /* read and signals sent by the worker threads */ |
96 | /* read any signals sent by the worker threads */ |
92 | char buf [32]; |
97 | char buf [32]; |
93 | while (read (respipe [0], buf, 32) > 0) |
98 | while (read (respipe [0], buf, 32) == 32) |
94 | ; |
99 | ; |
95 | } |
100 | } |
96 | |
101 | |
97 | for (;;) |
102 | req = ress; |
|
|
103 | ress = rese = 0; |
|
|
104 | |
|
|
105 | pthread_mutex_unlock (&reslock); |
|
|
106 | |
|
|
107 | while (req) |
98 | { |
108 | { |
99 | pthread_mutex_lock (&reslock); |
|
|
100 | |
|
|
101 | req = ress; |
|
|
102 | |
|
|
103 | if (ress) |
|
|
104 | { |
|
|
105 | ress = ress->next; |
|
|
106 | if (!ress) rese = 0; |
|
|
107 | } |
|
|
108 | |
|
|
109 | pthread_mutex_unlock (&reslock); |
|
|
110 | |
|
|
111 | if (!req) |
|
|
112 | break; |
|
|
113 | |
|
|
114 | nreqs--; |
109 | nreqs--; |
115 | |
110 | |
116 | if (req->type == REQ_QUIT) |
111 | if (req->type == REQ_QUIT) |
117 | started--; |
112 | started--; |
118 | else |
113 | else |
… | |
… | |
125 | + req->result > 0 ? req->result : 0); |
120 | + req->result > 0 ? req->result : 0); |
126 | |
121 | |
127 | if (req->data) |
122 | if (req->data) |
128 | SvREFCNT_dec (req->data); |
123 | SvREFCNT_dec (req->data); |
129 | |
124 | |
|
|
125 | if (req->fh) |
|
|
126 | SvREFCNT_dec (req->fh); |
|
|
127 | |
130 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
128 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
131 | { |
129 | { |
132 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
130 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
133 | PL_laststatval = req->result; |
131 | PL_laststatval = req->result; |
134 | PL_statcache = *(req->statdata); |
132 | PL_statcache = *(req->statdata); |
135 | |
133 | |
136 | Safefree (req->statdata); |
134 | Safefree (req->statdata); |
137 | } |
135 | } |
138 | |
136 | |
|
|
137 | ENTER; |
139 | PUSHMARK (SP); |
138 | PUSHMARK (SP); |
140 | XPUSHs (sv_2mortal (newSViv (req->result))); |
139 | XPUSHs (sv_2mortal (newSViv (req->result))); |
141 | |
140 | |
142 | if (req->type == REQ_OPEN) |
141 | if (req->type == REQ_OPEN) |
143 | { |
142 | { |
… | |
… | |
146 | |
145 | |
147 | PUTBACK; |
146 | PUTBACK; |
148 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
147 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
149 | SPAGAIN; |
148 | SPAGAIN; |
150 | |
149 | |
151 | fh = POPs; |
150 | fh = SvREFCNT_inc (POPs); |
152 | |
151 | |
153 | PUSHMARK (SP); |
152 | PUSHMARK (SP); |
154 | XPUSHs (fh); |
153 | XPUSHs (sv_2mortal (fh)); |
155 | } |
154 | } |
156 | |
155 | |
157 | if (SvOK (req->callback)) |
156 | if (SvOK (req->callback)) |
158 | { |
157 | { |
159 | PUTBACK; |
158 | PUTBACK; |
160 | call_sv (req->callback, G_VOID | G_EVAL); |
159 | call_sv (req->callback, G_VOID | G_EVAL); |
161 | SPAGAIN; |
160 | SPAGAIN; |
162 | } |
161 | } |
|
|
162 | |
|
|
163 | LEAVE; |
163 | |
164 | |
164 | if (req->callback) |
165 | if (req->callback) |
165 | SvREFCNT_dec (req->callback); |
166 | SvREFCNT_dec (req->callback); |
166 | |
167 | |
167 | errno = errorno; |
168 | errno = errorno; |
168 | count++; |
169 | count++; |
169 | } |
170 | } |
170 | |
171 | |
|
|
172 | prv = req; |
|
|
173 | req = req->next; |
171 | Safefree (req); |
174 | Safefree (prv); |
|
|
175 | |
|
|
176 | /* TODO: croak on errors? */ |
172 | } |
177 | } |
173 | |
178 | |
174 | return count; |
179 | return count; |
175 | } |
180 | } |
176 | |
181 | |
… | |
… | |
231 | req->type = REQ_QUIT; |
236 | req->type = REQ_QUIT; |
232 | |
237 | |
233 | send_req (req); |
238 | send_req (req); |
234 | } |
239 | } |
235 | |
240 | |
236 | static void |
|
|
237 | read_write (int dowrite, int fd, off_t offset, size_t length, |
|
|
238 | SV *data, STRLEN dataoffset, SV *callback) |
|
|
239 | { |
|
|
240 | aio_req req; |
|
|
241 | STRLEN svlen; |
|
|
242 | char *svptr = SvPV (data, svlen); |
|
|
243 | |
241 | |
244 | SvUPGRADE (data, SVt_PV); |
242 | static void min_parallel (int nthreads) |
245 | SvPOK_on (data); |
243 | { |
|
|
244 | while (nthreads > started) |
|
|
245 | start_thread (); |
|
|
246 | } |
246 | |
247 | |
247 | if (dataoffset < 0) |
248 | static void max_parallel (int nthreads) |
248 | dataoffset += svlen; |
249 | { |
|
|
250 | int cur = started; |
|
|
251 | while (cur > nthreads) |
|
|
252 | { |
|
|
253 | end_thread (); |
|
|
254 | cur--; |
|
|
255 | } |
249 | |
256 | |
250 | if (dataoffset < 0 || dataoffset > svlen) |
257 | while (started > nthreads) |
251 | croak ("data offset outside of string"); |
|
|
252 | |
|
|
253 | if (dowrite) |
|
|
254 | { |
258 | { |
255 | /* write: check length and adjust. */ |
259 | poll_wait (); |
256 | if (length < 0 || length + dataoffset > svlen) |
260 | poll_cb (); |
257 | length = svlen - dataoffset; |
|
|
258 | } |
261 | } |
259 | else |
262 | } |
|
|
263 | |
|
|
264 | static int fork_started; |
|
|
265 | |
|
|
266 | static void atfork_prepare (void) |
|
|
267 | { |
|
|
268 | pthread_mutex_lock (&frklock); |
|
|
269 | |
|
|
270 | fork_started = started; |
|
|
271 | |
|
|
272 | for (;;) { |
|
|
273 | while (nreqs) |
|
|
274 | { |
|
|
275 | poll_wait (); |
|
|
276 | poll_cb (); |
|
|
277 | } |
|
|
278 | |
|
|
279 | max_parallel (0); |
|
|
280 | |
|
|
281 | pthread_mutex_lock (&reqlock); |
|
|
282 | |
|
|
283 | if (!nreqs && !started) |
|
|
284 | break; |
|
|
285 | |
|
|
286 | pthread_mutex_unlock (&reqlock); |
|
|
287 | |
|
|
288 | min_parallel (fork_started); |
|
|
289 | } |
|
|
290 | |
|
|
291 | pthread_mutex_lock (&reslock); |
|
|
292 | |
|
|
293 | assert (!started); |
|
|
294 | assert (!nreqs); |
|
|
295 | assert (!reqs && !reqe); |
|
|
296 | assert (!ress && !rese); |
|
|
297 | } |
|
|
298 | |
|
|
299 | static void atfork_parent (void) |
|
|
300 | { |
|
|
301 | pthread_mutex_unlock (&reslock); |
|
|
302 | min_parallel (fork_started); |
|
|
303 | pthread_mutex_unlock (&reqlock); |
|
|
304 | pthread_mutex_unlock (&frklock); |
|
|
305 | } |
|
|
306 | |
|
|
307 | static void atfork_child (void) |
|
|
308 | { |
|
|
309 | reqs = reqe = 0; |
|
|
310 | |
|
|
311 | atfork_parent (); |
|
|
312 | } |
|
|
313 | |
|
|
314 | /*****************************************************************************/ |
|
|
315 | /* work around various missing functions */ |
|
|
316 | |
|
|
317 | #if !HAVE_PREADWRITE |
|
|
318 | # define pread aio_pread |
|
|
319 | # define pwrite aio_pwrite |
|
|
320 | |
|
|
321 | /* |
|
|
322 | * make our pread/pwrite safe against themselves, but not against |
|
|
323 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
324 | * but that's your problem, not mine. |
|
|
325 | */ |
|
|
326 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
|
|
327 | |
|
|
328 | static ssize_t |
|
|
329 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
330 | { |
|
|
331 | ssize_t res; |
|
|
332 | off_t ooffset; |
|
|
333 | |
|
|
334 | pthread_mutex_lock (&iolock); |
|
|
335 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
336 | lseek (fd, offset, SEEK_SET); |
|
|
337 | res = read (fd, buf, count); |
|
|
338 | lseek (fd, ooffset, SEEK_SET); |
|
|
339 | pthread_mutex_unlock (&iolock); |
|
|
340 | |
|
|
341 | return res; |
|
|
342 | } |
|
|
343 | |
|
|
344 | static ssize_t |
|
|
345 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
346 | { |
|
|
347 | ssize_t res; |
|
|
348 | off_t ooffset; |
|
|
349 | |
|
|
350 | pthread_mutex_lock (&iolock); |
|
|
351 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
352 | lseek (fd, offset, SEEK_SET); |
|
|
353 | res = write (fd, buf, count); |
|
|
354 | lseek (fd, offset, SEEK_SET); |
|
|
355 | pthread_mutex_unlock (&iolock); |
|
|
356 | |
|
|
357 | return res; |
|
|
358 | } |
|
|
359 | #endif |
|
|
360 | |
|
|
361 | #if !HAVE_FDATASYNC |
|
|
362 | # define fdatasync fsync |
|
|
363 | #endif |
|
|
364 | |
|
|
365 | #if !HAVE_READAHEAD |
|
|
366 | # define readahead aio_readahead |
|
|
367 | |
|
|
368 | static char readahead_buf[4096]; |
|
|
369 | |
|
|
370 | static ssize_t |
|
|
371 | readahead (int fd, off_t offset, size_t count) |
|
|
372 | { |
|
|
373 | while (count > 0) |
260 | { |
374 | { |
261 | /* read: grow scalar as necessary */ |
375 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
262 | svptr = SvGROW (data, length + dataoffset); |
376 | |
|
|
377 | pread (fd, readahead_buf, len, offset); |
|
|
378 | offset += len; |
|
|
379 | count -= len; |
263 | } |
380 | } |
264 | |
381 | |
265 | if (length < 0) |
382 | errno = 0; |
266 | croak ("length must not be negative"); |
|
|
267 | |
|
|
268 | Newz (0, req, 1, aio_cb); |
|
|
269 | |
|
|
270 | if (!req) |
|
|
271 | croak ("out of memory during aio_req allocation"); |
|
|
272 | |
|
|
273 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
|
|
274 | req->fd = fd; |
|
|
275 | req->offset = offset; |
|
|
276 | req->length = length; |
|
|
277 | req->data = SvREFCNT_inc (data); |
|
|
278 | req->dataptr = (char *)svptr + dataoffset; |
|
|
279 | req->callback = SvREFCNT_inc (callback); |
|
|
280 | |
|
|
281 | send_req (req); |
|
|
282 | } |
383 | } |
|
|
384 | #endif |
|
|
385 | |
|
|
386 | /*****************************************************************************/ |
283 | |
387 | |
284 | static void * |
388 | static void * |
285 | aio_proc (void *thr_arg) |
389 | aio_proc (void *thr_arg) |
286 | { |
390 | { |
287 | aio_req req; |
391 | aio_req req; |
… | |
… | |
315 | |
419 | |
316 | switch (type) |
420 | switch (type) |
317 | { |
421 | { |
318 | 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; |
319 | 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; |
320 | #if SYS_readahead |
424 | |
321 | 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; |
322 | #else |
|
|
323 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
|
|
324 | #endif |
|
|
325 | |
426 | |
326 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
427 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
327 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
428 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
328 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
429 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
329 | |
430 | |
330 | 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; |
331 | case REQ_CLOSE: req->result = close (req->fd); break; |
432 | case REQ_CLOSE: req->result = close (req->fd); break; |
332 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
433 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
434 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
435 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
333 | |
436 | |
|
|
437 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
334 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
438 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
335 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
336 | |
439 | |
337 | case REQ_QUIT: |
440 | case REQ_QUIT: |
338 | break; |
441 | break; |
339 | |
442 | |
340 | default: |
443 | default: |
… | |
… | |
366 | while (type != REQ_QUIT); |
469 | while (type != REQ_QUIT); |
367 | |
470 | |
368 | return 0; |
471 | return 0; |
369 | } |
472 | } |
370 | |
473 | |
|
|
474 | #define dREQ \ |
|
|
475 | aio_req req; \ |
|
|
476 | \ |
|
|
477 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
478 | croak ("clalback must be undef or of reference type"); \ |
|
|
479 | \ |
|
|
480 | Newz (0, req, 1, aio_cb); \ |
|
|
481 | if (!req) \ |
|
|
482 | croak ("out of memory during aio_req allocation"); \ |
|
|
483 | \ |
|
|
484 | req->callback = SvREFCNT_inc (callback); |
|
|
485 | |
371 | MODULE = IO::AIO PACKAGE = IO::AIO |
486 | MODULE = IO::AIO PACKAGE = IO::AIO |
372 | |
487 | |
373 | PROTOTYPES: ENABLE |
488 | PROTOTYPES: ENABLE |
374 | |
489 | |
375 | BOOT: |
490 | BOOT: |
… | |
… | |
380 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
495 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
381 | croak ("cannot set result pipe to nonblocking mode"); |
496 | croak ("cannot set result pipe to nonblocking mode"); |
382 | |
497 | |
383 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
498 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
384 | croak ("cannot set result pipe to nonblocking mode"); |
499 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
500 | |
|
|
501 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
385 | } |
502 | } |
386 | |
503 | |
387 | void |
504 | void |
388 | min_parallel(nthreads) |
505 | min_parallel(nthreads) |
389 | int nthreads |
506 | int nthreads |
390 | PROTOTYPE: $ |
507 | PROTOTYPE: $ |
391 | CODE: |
|
|
392 | while (nthreads > started) |
|
|
393 | start_thread (); |
|
|
394 | |
508 | |
395 | void |
509 | void |
396 | max_parallel(nthreads) |
510 | max_parallel(nthreads) |
397 | int nthreads |
511 | int nthreads |
398 | PROTOTYPE: $ |
512 | PROTOTYPE: $ |
399 | CODE: |
|
|
400 | { |
|
|
401 | int cur = started; |
|
|
402 | while (cur > nthreads) |
|
|
403 | { |
|
|
404 | end_thread (); |
|
|
405 | cur--; |
|
|
406 | } |
|
|
407 | |
|
|
408 | while (started > nthreads) |
|
|
409 | { |
|
|
410 | poll_wait (); |
|
|
411 | poll_cb (); |
|
|
412 | } |
|
|
413 | } |
|
|
414 | |
513 | |
415 | int |
514 | int |
416 | max_outstanding(nreqs) |
515 | max_outstanding(nreqs) |
417 | int nreqs |
516 | int nreqs |
418 | PROTOTYPE: $ |
517 | PROTOTYPE: $ |
… | |
… | |
427 | int mode |
526 | int mode |
428 | SV * callback |
527 | SV * callback |
429 | PROTOTYPE: $$$;$ |
528 | PROTOTYPE: $$$;$ |
430 | CODE: |
529 | CODE: |
431 | { |
530 | { |
432 | aio_req req; |
531 | dREQ; |
433 | |
|
|
434 | Newz (0, req, 1, aio_cb); |
|
|
435 | |
|
|
436 | if (!req) |
|
|
437 | croak ("out of memory during aio_req allocation"); |
|
|
438 | |
532 | |
439 | req->type = REQ_OPEN; |
533 | req->type = REQ_OPEN; |
440 | req->data = newSVsv (pathname); |
534 | req->data = newSVsv (pathname); |
441 | req->dataptr = SvPV_nolen (req->data); |
535 | req->dataptr = SvPVbyte_nolen (req->data); |
442 | req->fd = flags; |
536 | req->fd = flags; |
443 | req->mode = mode; |
537 | req->mode = mode; |
444 | req->callback = SvREFCNT_inc (callback); |
|
|
445 | |
538 | |
446 | send_req (req); |
539 | send_req (req); |
447 | } |
540 | } |
448 | |
541 | |
449 | void |
542 | void |
450 | aio_close(fh,callback=&PL_sv_undef) |
543 | aio_close(fh,callback=&PL_sv_undef) |
451 | InputStream fh |
544 | SV * fh |
452 | SV * callback |
545 | SV * callback |
453 | PROTOTYPE: $;$ |
546 | PROTOTYPE: $;$ |
454 | ALIAS: |
547 | ALIAS: |
455 | aio_close = REQ_CLOSE |
548 | aio_close = REQ_CLOSE |
456 | aio_fsync = REQ_FSYNC |
549 | aio_fsync = REQ_FSYNC |
457 | aio_fdatasync = REQ_FDATASYNC |
550 | aio_fdatasync = REQ_FDATASYNC |
458 | CODE: |
551 | CODE: |
459 | { |
552 | { |
460 | aio_req req; |
553 | dREQ; |
461 | |
|
|
462 | Newz (0, req, 1, aio_cb); |
|
|
463 | |
|
|
464 | if (!req) |
|
|
465 | croak ("out of memory during aio_req allocation"); |
|
|
466 | |
554 | |
467 | req->type = ix; |
555 | req->type = ix; |
|
|
556 | req->fh = newSVsv (fh); |
468 | req->fd = PerlIO_fileno (fh); |
557 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
469 | req->callback = SvREFCNT_inc (callback); |
|
|
470 | |
558 | |
471 | send_req (req); |
559 | send_req (req); |
472 | } |
560 | } |
473 | |
561 | |
474 | void |
562 | void |
475 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
563 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
476 | InputStream fh |
564 | SV * fh |
477 | UV offset |
565 | UV offset |
478 | IV length |
566 | IV length |
479 | SV * data |
567 | SV * data |
480 | IV dataoffset |
568 | IV dataoffset |
481 | SV * callback |
569 | SV * callback |
|
|
570 | ALIAS: |
|
|
571 | aio_read = REQ_READ |
|
|
572 | aio_write = REQ_WRITE |
482 | PROTOTYPE: $$$$$;$ |
573 | PROTOTYPE: $$$$$;$ |
483 | CODE: |
574 | CODE: |
484 | read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
575 | { |
|
|
576 | aio_req req; |
|
|
577 | STRLEN svlen; |
|
|
578 | char *svptr = SvPVbyte (data, svlen); |
485 | |
579 | |
486 | void |
580 | SvUPGRADE (data, SVt_PV); |
487 | aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
581 | SvPOK_on (data); |
488 | OutputStream fh |
582 | |
489 | UV offset |
583 | if (dataoffset < 0) |
490 | IV length |
584 | dataoffset += svlen; |
491 | SV * data |
585 | |
492 | IV dataoffset |
586 | if (dataoffset < 0 || dataoffset > svlen) |
493 | SV * callback |
587 | croak ("data offset outside of string"); |
494 | PROTOTYPE: $$$$$;$ |
588 | |
495 | CODE: |
589 | if (ix == REQ_WRITE) |
496 | read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
590 | { |
|
|
591 | /* write: check length and adjust. */ |
|
|
592 | if (length < 0 || length + dataoffset > svlen) |
|
|
593 | length = svlen - dataoffset; |
|
|
594 | } |
|
|
595 | else |
|
|
596 | { |
|
|
597 | /* read: grow scalar as necessary */ |
|
|
598 | svptr = SvGROW (data, length + dataoffset); |
|
|
599 | } |
|
|
600 | |
|
|
601 | if (length < 0) |
|
|
602 | croak ("length must not be negative"); |
|
|
603 | |
|
|
604 | { |
|
|
605 | dREQ; |
|
|
606 | |
|
|
607 | req->type = ix; |
|
|
608 | req->fh = newSVsv (fh); |
|
|
609 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
|
|
610 | : IoOFP (sv_2io (fh))); |
|
|
611 | req->offset = offset; |
|
|
612 | req->length = length; |
|
|
613 | req->data = SvREFCNT_inc (data); |
|
|
614 | req->dataptr = (char *)svptr + dataoffset; |
|
|
615 | req->callback = SvREFCNT_inc (callback); |
|
|
616 | |
|
|
617 | send_req (req); |
|
|
618 | } |
|
|
619 | } |
497 | |
620 | |
498 | void |
621 | void |
499 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
622 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
500 | InputStream fh |
623 | SV * fh |
501 | UV offset |
624 | UV offset |
502 | IV length |
625 | IV length |
503 | SV * callback |
626 | SV * callback |
504 | PROTOTYPE: $$$;$ |
627 | PROTOTYPE: $$$;$ |
505 | CODE: |
628 | CODE: |
506 | { |
629 | { |
507 | aio_req req; |
630 | dREQ; |
508 | |
|
|
509 | if (length < 0) |
|
|
510 | croak ("length must not be negative"); |
|
|
511 | |
|
|
512 | Newz (0, req, 1, aio_cb); |
|
|
513 | |
|
|
514 | if (!req) |
|
|
515 | croak ("out of memory during aio_req allocation"); |
|
|
516 | |
631 | |
517 | req->type = REQ_READAHEAD; |
632 | req->type = REQ_READAHEAD; |
|
|
633 | req->fh = newSVsv (fh); |
518 | req->fd = PerlIO_fileno (fh); |
634 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
519 | req->offset = offset; |
635 | req->offset = offset; |
520 | req->length = length; |
636 | req->length = length; |
521 | req->callback = SvREFCNT_inc (callback); |
|
|
522 | |
637 | |
523 | send_req (req); |
638 | send_req (req); |
524 | } |
639 | } |
525 | |
640 | |
526 | void |
641 | void |
… | |
… | |
530 | ALIAS: |
645 | ALIAS: |
531 | aio_stat = REQ_STAT |
646 | aio_stat = REQ_STAT |
532 | aio_lstat = REQ_LSTAT |
647 | aio_lstat = REQ_LSTAT |
533 | CODE: |
648 | CODE: |
534 | { |
649 | { |
535 | aio_req req; |
650 | dREQ; |
536 | |
|
|
537 | Newz (0, req, 1, aio_cb); |
|
|
538 | |
|
|
539 | if (!req) |
|
|
540 | croak ("out of memory during aio_req allocation"); |
|
|
541 | |
651 | |
542 | New (0, req->statdata, 1, Stat_t); |
652 | New (0, req->statdata, 1, Stat_t); |
543 | |
|
|
544 | if (!req->statdata) |
653 | if (!req->statdata) |
545 | 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)"); |
546 | |
655 | |
547 | if (SvPOK (fh_or_path)) |
656 | if (SvPOK (fh_or_path)) |
548 | { |
657 | { |
549 | req->type = ix; |
658 | req->type = ix; |
550 | req->data = newSVsv (fh_or_path); |
659 | req->data = newSVsv (fh_or_path); |
551 | req->dataptr = SvPV_nolen (req->data); |
660 | req->dataptr = SvPVbyte_nolen (req->data); |
552 | } |
661 | } |
553 | else |
662 | else |
554 | { |
663 | { |
555 | req->type = REQ_FSTAT; |
664 | req->type = REQ_FSTAT; |
|
|
665 | req->fh = newSVsv (fh_or_path); |
556 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
666 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
557 | } |
667 | } |
558 | |
|
|
559 | req->callback = SvREFCNT_inc (callback); |
|
|
560 | |
668 | |
561 | send_req (req); |
669 | send_req (req); |
562 | } |
670 | } |
563 | |
671 | |
564 | void |
672 | void |
565 | aio_unlink(pathname,callback=&PL_sv_undef) |
673 | aio_unlink(pathname,callback=&PL_sv_undef) |
566 | SV * pathname |
674 | SV * pathname |
567 | SV * callback |
675 | SV * callback |
|
|
676 | ALIAS: |
|
|
677 | aio_unlink = REQ_UNLINK |
|
|
678 | aio_rmdir = REQ_RMDIR |
568 | CODE: |
679 | CODE: |
569 | { |
680 | { |
570 | aio_req req; |
681 | dREQ; |
571 | |
682 | |
572 | Newz (0, req, 1, aio_cb); |
683 | req->type = ix; |
|
|
684 | req->data = newSVsv (pathname); |
|
|
685 | req->dataptr = SvPVbyte_nolen (req->data); |
573 | |
686 | |
574 | if (!req) |
687 | send_req (req); |
575 | 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; |
576 | |
698 | |
577 | req->type = REQ_UNLINK; |
699 | req->type = REQ_SYMLINK; |
|
|
700 | req->fh = newSVsv (oldpath); |
|
|
701 | req->data2ptr = SvPVbyte_nolen (req->fh); |
578 | req->data = newSVsv (pathname); |
702 | req->data = newSVsv (newpath); |
579 | req->dataptr = SvPV_nolen (req->data); |
703 | req->dataptr = SvPVbyte_nolen (req->data); |
580 | req->callback = SvREFCNT_inc (callback); |
|
|
581 | |
704 | |
582 | send_req (req); |
705 | send_req (req); |
583 | } |
706 | } |
584 | |
707 | |
585 | void |
708 | void |