1 | #define PERL_NO_GET_CONTEXT |
|
|
2 | |
|
|
3 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
4 | #include "perl.h" |
2 | #include "perl.h" |
5 | #include "XSUB.h" |
3 | #include "XSUB.h" |
6 | |
4 | |
7 | #include <sys/types.h> |
5 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
6 | #include <sys/stat.h> |
|
|
7 | |
9 | #include <unistd.h> |
8 | #include <unistd.h> |
10 | #include <fcntl.h> |
9 | #include <fcntl.h> |
11 | #include <signal.h> |
10 | #include <signal.h> |
12 | #include <sched.h> |
11 | #include <sched.h> |
13 | #include <endian.h> |
12 | #if __linux |
|
|
13 | #include <sys/syscall.h> |
|
|
14 | #endif |
14 | |
15 | |
15 | #include <pthread.h> |
16 | #include <pthread.h> |
16 | #include <sys/syscall.h> |
|
|
17 | |
17 | |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | |
21 | |
22 | #if __i386 || __amd64 |
|
|
23 | # define STACKSIZE ( 256 * sizeof (long)) |
|
|
24 | #elif __ia64 |
22 | #if __ia64 |
25 | # define STACKSIZE (8192 * sizeof (long)) |
23 | # define STACKSIZE 65536 |
26 | #else |
24 | #else |
27 | # define STACKSIZE ( 512 * sizeof (long)) |
25 | # define STACKSIZE 4096 |
28 | #endif |
26 | #endif |
29 | |
27 | |
30 | enum { |
28 | enum { |
31 | REQ_QUIT, |
29 | REQ_QUIT, |
32 | REQ_OPEN, REQ_CLOSE, |
30 | REQ_OPEN, REQ_CLOSE, |
… | |
… | |
44 | off_t offset; |
42 | off_t offset; |
45 | size_t length; |
43 | size_t length; |
46 | ssize_t result; |
44 | ssize_t result; |
47 | mode_t mode; /* open */ |
45 | mode_t mode; /* open */ |
48 | int errorno; |
46 | int errorno; |
49 | SV *data, *callback; |
47 | SV *data, *callback, *fh; |
50 | void *dataptr; |
48 | void *dataptr; |
51 | STRLEN dataoffset; |
49 | STRLEN dataoffset; |
52 | |
50 | |
53 | Stat_t *statdata; |
51 | Stat_t *statdata; |
54 | } aio_cb; |
52 | } aio_cb; |
55 | |
53 | |
56 | typedef aio_cb *aio_req; |
54 | typedef aio_cb *aio_req; |
57 | |
55 | |
58 | static int started; |
56 | static int started; |
59 | static int nreqs; |
57 | static volatile int nreqs; |
|
|
58 | static int max_outstanding = 1<<30; |
60 | static int respipe [2]; |
59 | static int respipe [2]; |
61 | |
60 | |
62 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
61 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
63 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
62 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
64 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
63 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
65 | |
64 | |
66 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
65 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
67 | static volatile aio_req ress, rese; /* queue start, queue end */ |
66 | static volatile aio_req ress, rese; /* queue start, queue end */ |
|
|
67 | |
|
|
68 | static void |
|
|
69 | poll_wait () |
|
|
70 | { |
|
|
71 | if (nreqs && !ress) |
|
|
72 | { |
|
|
73 | fd_set rfd; |
|
|
74 | FD_ZERO(&rfd); |
|
|
75 | FD_SET(respipe [0], &rfd); |
|
|
76 | |
|
|
77 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
78 | } |
|
|
79 | } |
|
|
80 | |
|
|
81 | static int |
|
|
82 | poll_cb () |
|
|
83 | { |
|
|
84 | dSP; |
|
|
85 | int count = 0; |
|
|
86 | aio_req req, prv; |
|
|
87 | |
|
|
88 | pthread_mutex_lock (&reslock); |
|
|
89 | |
|
|
90 | { |
|
|
91 | /* read any signals sent by the worker threads */ |
|
|
92 | char buf [32]; |
|
|
93 | while (read (respipe [0], buf, 32) > 0) |
|
|
94 | ; |
|
|
95 | } |
|
|
96 | |
|
|
97 | req = ress; |
|
|
98 | ress = rese = 0; |
|
|
99 | |
|
|
100 | pthread_mutex_unlock (&reslock); |
|
|
101 | |
|
|
102 | while (req) |
|
|
103 | { |
|
|
104 | nreqs--; |
|
|
105 | |
|
|
106 | if (req->type == REQ_QUIT) |
|
|
107 | started--; |
|
|
108 | else |
|
|
109 | { |
|
|
110 | int errorno = errno; |
|
|
111 | errno = req->errorno; |
|
|
112 | |
|
|
113 | if (req->type == REQ_READ) |
|
|
114 | SvCUR_set (req->data, req->dataoffset |
|
|
115 | + req->result > 0 ? req->result : 0); |
|
|
116 | |
|
|
117 | if (req->data) |
|
|
118 | SvREFCNT_dec (req->data); |
|
|
119 | |
|
|
120 | if (req->fh) |
|
|
121 | SvREFCNT_dec (req->fh); |
|
|
122 | |
|
|
123 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
124 | { |
|
|
125 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
126 | PL_laststatval = req->result; |
|
|
127 | PL_statcache = *(req->statdata); |
|
|
128 | |
|
|
129 | Safefree (req->statdata); |
|
|
130 | } |
|
|
131 | |
|
|
132 | ENTER; |
|
|
133 | PUSHMARK (SP); |
|
|
134 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
135 | |
|
|
136 | if (req->type == REQ_OPEN) |
|
|
137 | { |
|
|
138 | /* convert fd to fh */ |
|
|
139 | SV *fh; |
|
|
140 | |
|
|
141 | PUTBACK; |
|
|
142 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
143 | SPAGAIN; |
|
|
144 | |
|
|
145 | fh = SvREFCNT_inc (POPs); |
|
|
146 | |
|
|
147 | PUSHMARK (SP); |
|
|
148 | XPUSHs (sv_2mortal (fh)); |
|
|
149 | } |
|
|
150 | |
|
|
151 | if (SvOK (req->callback)) |
|
|
152 | { |
|
|
153 | PUTBACK; |
|
|
154 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
155 | SPAGAIN; |
|
|
156 | } |
|
|
157 | |
|
|
158 | LEAVE; |
|
|
159 | |
|
|
160 | if (req->callback) |
|
|
161 | SvREFCNT_dec (req->callback); |
|
|
162 | |
|
|
163 | errno = errorno; |
|
|
164 | count++; |
|
|
165 | } |
|
|
166 | |
|
|
167 | prv = req; |
|
|
168 | req = req->next; |
|
|
169 | Safefree (prv); |
|
|
170 | |
|
|
171 | /* TODO: croak on errors? */ |
|
|
172 | } |
|
|
173 | |
|
|
174 | return count; |
|
|
175 | } |
68 | |
176 | |
69 | static void *aio_proc(void *arg); |
177 | static void *aio_proc(void *arg); |
70 | |
178 | |
71 | static void |
179 | static void |
72 | start_thread (void) |
180 | start_thread (void) |
… | |
… | |
105 | else |
213 | else |
106 | reqe = reqs = req; |
214 | reqe = reqs = req; |
107 | |
215 | |
108 | pthread_cond_signal (&reqwait); |
216 | pthread_cond_signal (&reqwait); |
109 | pthread_mutex_unlock (&reqlock); |
217 | pthread_mutex_unlock (&reqlock); |
|
|
218 | |
|
|
219 | while (nreqs > max_outstanding) |
|
|
220 | { |
|
|
221 | poll_wait (); |
|
|
222 | poll_cb (); |
|
|
223 | } |
110 | } |
224 | } |
111 | |
225 | |
112 | static void |
226 | static void |
113 | end_thread (void) |
227 | end_thread (void) |
114 | { |
228 | { |
115 | aio_req req; |
229 | aio_req req; |
116 | New (0, req, 1, aio_cb); |
230 | New (0, req, 1, aio_cb); |
117 | req->type = REQ_QUIT; |
231 | req->type = REQ_QUIT; |
118 | |
232 | |
119 | send_req (req); |
233 | send_req (req); |
120 | } |
|
|
121 | |
|
|
122 | static void |
|
|
123 | read_write (pTHX_ |
|
|
124 | int dowrite, int fd, off_t offset, size_t length, |
|
|
125 | SV *data, STRLEN dataoffset, SV *callback) |
|
|
126 | { |
|
|
127 | aio_req req; |
|
|
128 | STRLEN svlen; |
|
|
129 | char *svptr = SvPV (data, svlen); |
|
|
130 | |
|
|
131 | SvUPGRADE (data, SVt_PV); |
|
|
132 | SvPOK_on (data); |
|
|
133 | |
|
|
134 | if (dataoffset < 0) |
|
|
135 | dataoffset += svlen; |
|
|
136 | |
|
|
137 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
138 | croak ("data offset outside of string"); |
|
|
139 | |
|
|
140 | if (dowrite) |
|
|
141 | { |
|
|
142 | /* write: check length and adjust. */ |
|
|
143 | if (length < 0 || length + dataoffset > svlen) |
|
|
144 | length = svlen - dataoffset; |
|
|
145 | } |
|
|
146 | else |
|
|
147 | { |
|
|
148 | /* read: grow scalar as necessary */ |
|
|
149 | svptr = SvGROW (data, length + dataoffset); |
|
|
150 | } |
|
|
151 | |
|
|
152 | if (length < 0) |
|
|
153 | croak ("length must not be negative"); |
|
|
154 | |
|
|
155 | Newz (0, req, 1, aio_cb); |
|
|
156 | |
|
|
157 | if (!req) |
|
|
158 | croak ("out of memory during aio_req allocation"); |
|
|
159 | |
|
|
160 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
|
|
161 | req->fd = fd; |
|
|
162 | req->offset = offset; |
|
|
163 | req->length = length; |
|
|
164 | req->data = SvREFCNT_inc (data); |
|
|
165 | req->dataptr = (char *)svptr + dataoffset; |
|
|
166 | req->callback = SvREFCNT_inc (callback); |
|
|
167 | |
|
|
168 | send_req (req); |
|
|
169 | } |
|
|
170 | |
|
|
171 | static void |
|
|
172 | poll_wait () |
|
|
173 | { |
|
|
174 | if (!nreqs) |
|
|
175 | return; |
|
|
176 | |
|
|
177 | fd_set rfd; |
|
|
178 | FD_ZERO(&rfd); |
|
|
179 | FD_SET(respipe [0], &rfd); |
|
|
180 | |
|
|
181 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
182 | } |
|
|
183 | |
|
|
184 | static int |
|
|
185 | poll_cb (pTHX) |
|
|
186 | { |
|
|
187 | dSP; |
|
|
188 | int count = 0; |
|
|
189 | aio_req req; |
|
|
190 | |
|
|
191 | { |
|
|
192 | /* read and signals sent by the worker threads */ |
|
|
193 | char buf [32]; |
|
|
194 | while (read (respipe [0], buf, 32) > 0) |
|
|
195 | ; |
|
|
196 | } |
|
|
197 | |
|
|
198 | for (;;) |
|
|
199 | { |
|
|
200 | pthread_mutex_lock (&reslock); |
|
|
201 | |
|
|
202 | req = ress; |
|
|
203 | |
|
|
204 | if (ress) |
|
|
205 | { |
|
|
206 | ress = ress->next; |
|
|
207 | if (!ress) rese = 0; |
|
|
208 | } |
|
|
209 | |
|
|
210 | pthread_mutex_unlock (&reslock); |
|
|
211 | |
|
|
212 | if (!req) |
|
|
213 | break; |
|
|
214 | |
|
|
215 | nreqs--; |
|
|
216 | |
|
|
217 | if (req->type == REQ_QUIT) |
|
|
218 | started--; |
|
|
219 | else |
|
|
220 | { |
|
|
221 | int errorno = errno; |
|
|
222 | errno = req->errorno; |
|
|
223 | |
|
|
224 | if (req->type == REQ_READ) |
|
|
225 | SvCUR_set (req->data, req->dataoffset |
|
|
226 | + req->result > 0 ? req->result : 0); |
|
|
227 | |
|
|
228 | if (req->data) |
|
|
229 | SvREFCNT_dec (req->data); |
|
|
230 | |
|
|
231 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
232 | { |
|
|
233 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
234 | PL_laststatval = req->result; |
|
|
235 | PL_statcache = *(req->statdata); |
|
|
236 | |
|
|
237 | Safefree (req->statdata); |
|
|
238 | } |
|
|
239 | |
|
|
240 | PUSHMARK (SP); |
|
|
241 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
242 | |
|
|
243 | if (req->type == REQ_OPEN) |
|
|
244 | { |
|
|
245 | /* convert fd to fh */ |
|
|
246 | SV *fh; |
|
|
247 | |
|
|
248 | PUTBACK; |
|
|
249 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
250 | SPAGAIN; |
|
|
251 | |
|
|
252 | fh = POPs; |
|
|
253 | |
|
|
254 | PUSHMARK (SP); |
|
|
255 | XPUSHs (fh); |
|
|
256 | } |
|
|
257 | |
|
|
258 | PUTBACK; |
|
|
259 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
260 | SPAGAIN; |
|
|
261 | |
|
|
262 | if (req->callback) |
|
|
263 | SvREFCNT_dec (req->callback); |
|
|
264 | |
|
|
265 | errno = errorno; |
|
|
266 | count++; |
|
|
267 | } |
|
|
268 | |
|
|
269 | Safefree (req); |
|
|
270 | } |
|
|
271 | |
|
|
272 | return count; |
|
|
273 | } |
234 | } |
274 | |
235 | |
275 | static void * |
236 | static void * |
276 | aio_proc (void *thr_arg) |
237 | aio_proc (void *thr_arg) |
277 | { |
238 | { |
… | |
… | |
304 | |
265 | |
305 | type = req->type; |
266 | type = req->type; |
306 | |
267 | |
307 | switch (type) |
268 | switch (type) |
308 | { |
269 | { |
309 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
270 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
310 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
271 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
311 | #if SYS_readahead |
272 | #if SYS_readahead |
312 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
273 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
313 | #else |
274 | #else |
314 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
275 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
315 | #endif |
276 | #endif |
… | |
… | |
359 | return 0; |
320 | return 0; |
360 | } |
321 | } |
361 | |
322 | |
362 | MODULE = IO::AIO PACKAGE = IO::AIO |
323 | MODULE = IO::AIO PACKAGE = IO::AIO |
363 | |
324 | |
|
|
325 | PROTOTYPES: ENABLE |
|
|
326 | |
364 | BOOT: |
327 | BOOT: |
365 | { |
328 | { |
366 | if (pipe (respipe)) |
329 | if (pipe (respipe)) |
367 | croak ("unable to initialize result pipe"); |
330 | croak ("unable to initialize result pipe"); |
368 | |
331 | |
… | |
… | |
395 | } |
358 | } |
396 | |
359 | |
397 | while (started > nthreads) |
360 | while (started > nthreads) |
398 | { |
361 | { |
399 | poll_wait (); |
362 | poll_wait (); |
400 | poll_cb (aTHX); |
363 | poll_cb (); |
401 | } |
364 | } |
402 | } |
365 | } |
403 | |
366 | |
|
|
367 | int |
|
|
368 | max_outstanding(nreqs) |
|
|
369 | int nreqs |
|
|
370 | PROTOTYPE: $ |
|
|
371 | CODE: |
|
|
372 | RETVAL = max_outstanding; |
|
|
373 | max_outstanding = nreqs; |
|
|
374 | |
404 | void |
375 | void |
405 | aio_open(pathname,flags,mode,callback) |
376 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
406 | SV * pathname |
377 | SV * pathname |
407 | int flags |
378 | int flags |
408 | int mode |
379 | int mode |
409 | SV * callback |
380 | SV * callback |
410 | PROTOTYPE: $$$$ |
381 | PROTOTYPE: $$$;$ |
411 | CODE: |
382 | CODE: |
412 | { |
383 | { |
413 | aio_req req; |
384 | aio_req req; |
414 | |
385 | |
415 | Newz (0, req, 1, aio_cb); |
386 | Newz (0, req, 1, aio_cb); |
… | |
… | |
426 | |
397 | |
427 | send_req (req); |
398 | send_req (req); |
428 | } |
399 | } |
429 | |
400 | |
430 | void |
401 | void |
431 | aio_close(fh,callback) |
402 | aio_close(fh,callback=&PL_sv_undef) |
432 | InputStream fh |
403 | SV * fh |
433 | SV * callback |
404 | SV * callback |
434 | PROTOTYPE: $$ |
405 | PROTOTYPE: $;$ |
435 | ALIAS: |
406 | ALIAS: |
436 | aio_close = REQ_CLOSE |
407 | aio_close = REQ_CLOSE |
437 | aio_fsync = REQ_FSYNC |
408 | aio_fsync = REQ_FSYNC |
438 | aio_fdatasync = REQ_FDATASYNC |
409 | aio_fdatasync = REQ_FDATASYNC |
439 | CODE: |
410 | CODE: |
… | |
… | |
444 | |
415 | |
445 | if (!req) |
416 | if (!req) |
446 | croak ("out of memory during aio_req allocation"); |
417 | croak ("out of memory during aio_req allocation"); |
447 | |
418 | |
448 | req->type = ix; |
419 | req->type = ix; |
|
|
420 | req->fh = newSVsv (fh); |
449 | req->fd = PerlIO_fileno (fh); |
421 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
450 | req->callback = SvREFCNT_inc (callback); |
422 | req->callback = SvREFCNT_inc (callback); |
451 | |
423 | |
452 | send_req (req); |
424 | send_req (req); |
453 | } |
425 | } |
454 | |
426 | |
455 | void |
427 | void |
456 | aio_read(fh,offset,length,data,dataoffset,callback) |
428 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
457 | InputStream fh |
429 | SV * fh |
458 | UV offset |
430 | UV offset |
459 | IV length |
431 | IV length |
460 | SV * data |
432 | SV * data |
461 | IV dataoffset |
433 | IV dataoffset |
462 | SV * callback |
434 | SV * callback |
|
|
435 | ALIAS: |
|
|
436 | aio_read = REQ_READ |
|
|
437 | aio_write = REQ_WRITE |
463 | PROTOTYPE: $$$$$$ |
438 | PROTOTYPE: $$$$$;$ |
464 | CODE: |
439 | CODE: |
465 | read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
|
|
466 | |
|
|
467 | void |
|
|
468 | aio_write(fh,offset,length,data,dataoffset,callback) |
|
|
469 | OutputStream fh |
|
|
470 | UV offset |
|
|
471 | IV length |
|
|
472 | SV * data |
|
|
473 | IV dataoffset |
|
|
474 | SV * callback |
|
|
475 | PROTOTYPE: $$$$$$ |
|
|
476 | CODE: |
|
|
477 | read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
|
|
478 | |
|
|
479 | void |
|
|
480 | aio_readahead(fh,offset,length,callback) |
|
|
481 | InputStream fh |
|
|
482 | UV offset |
|
|
483 | IV length |
|
|
484 | SV * callback |
|
|
485 | PROTOTYPE: $$$$ |
|
|
486 | CODE: |
|
|
487 | { |
440 | { |
488 | aio_req req; |
441 | aio_req req; |
|
|
442 | STRLEN svlen; |
|
|
443 | char *svptr = SvPV (data, svlen); |
|
|
444 | |
|
|
445 | SvUPGRADE (data, SVt_PV); |
|
|
446 | SvPOK_on (data); |
|
|
447 | |
|
|
448 | if (dataoffset < 0) |
|
|
449 | dataoffset += svlen; |
|
|
450 | |
|
|
451 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
452 | croak ("data offset outside of string"); |
|
|
453 | |
|
|
454 | if (ix == REQ_WRITE) |
|
|
455 | { |
|
|
456 | /* write: check length and adjust. */ |
|
|
457 | if (length < 0 || length + dataoffset > svlen) |
|
|
458 | length = svlen - dataoffset; |
|
|
459 | } |
|
|
460 | else |
|
|
461 | { |
|
|
462 | /* read: grow scalar as necessary */ |
|
|
463 | svptr = SvGROW (data, length + dataoffset); |
|
|
464 | } |
489 | |
465 | |
490 | if (length < 0) |
466 | if (length < 0) |
491 | croak ("length must not be negative"); |
467 | croak ("length must not be negative"); |
492 | |
468 | |
493 | Newz (0, req, 1, aio_cb); |
469 | Newz (0, req, 1, aio_cb); |
494 | |
470 | |
495 | if (!req) |
471 | if (!req) |
496 | croak ("out of memory during aio_req allocation"); |
472 | croak ("out of memory during aio_req allocation"); |
497 | |
473 | |
|
|
474 | req->type = ix; |
|
|
475 | req->fh = newSVsv (fh); |
|
|
476 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
|
|
477 | : IoOFP (sv_2io (fh))); |
|
|
478 | req->offset = offset; |
|
|
479 | req->length = length; |
|
|
480 | req->data = SvREFCNT_inc (data); |
|
|
481 | req->dataptr = (char *)svptr + dataoffset; |
|
|
482 | req->callback = SvREFCNT_inc (callback); |
|
|
483 | |
|
|
484 | send_req (req); |
|
|
485 | } |
|
|
486 | |
|
|
487 | void |
|
|
488 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
|
|
489 | SV * fh |
|
|
490 | UV offset |
|
|
491 | IV length |
|
|
492 | SV * callback |
|
|
493 | PROTOTYPE: $$$;$ |
|
|
494 | CODE: |
|
|
495 | { |
|
|
496 | aio_req req; |
|
|
497 | |
|
|
498 | if (length < 0) |
|
|
499 | croak ("length must not be negative"); |
|
|
500 | |
|
|
501 | Newz (0, req, 1, aio_cb); |
|
|
502 | |
|
|
503 | if (!req) |
|
|
504 | croak ("out of memory during aio_req allocation"); |
|
|
505 | |
498 | req->type = REQ_READAHEAD; |
506 | req->type = REQ_READAHEAD; |
|
|
507 | req->fh = newSVsv (fh); |
499 | req->fd = PerlIO_fileno (fh); |
508 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
500 | req->offset = offset; |
509 | req->offset = offset; |
501 | req->length = length; |
510 | req->length = length; |
502 | req->callback = SvREFCNT_inc (callback); |
511 | req->callback = SvREFCNT_inc (callback); |
503 | |
512 | |
504 | send_req (req); |
513 | send_req (req); |
505 | } |
514 | } |
506 | |
515 | |
507 | void |
516 | void |
508 | aio_stat(fh_or_path,callback) |
517 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
509 | SV * fh_or_path |
518 | SV * fh_or_path |
510 | SV * callback |
519 | SV * callback |
511 | PROTOTYPE: $$ |
|
|
512 | ALIAS: |
520 | ALIAS: |
|
|
521 | aio_stat = REQ_STAT |
513 | aio_lstat = 1 |
522 | aio_lstat = REQ_LSTAT |
514 | CODE: |
523 | CODE: |
515 | { |
524 | { |
516 | aio_req req; |
525 | aio_req req; |
517 | |
526 | |
518 | Newz (0, req, 1, aio_cb); |
527 | Newz (0, req, 1, aio_cb); |
… | |
… | |
525 | if (!req->statdata) |
534 | if (!req->statdata) |
526 | croak ("out of memory during aio_req->statdata allocation"); |
535 | croak ("out of memory during aio_req->statdata allocation"); |
527 | |
536 | |
528 | if (SvPOK (fh_or_path)) |
537 | if (SvPOK (fh_or_path)) |
529 | { |
538 | { |
530 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
539 | req->type = ix; |
531 | req->data = newSVsv (fh_or_path); |
540 | req->data = newSVsv (fh_or_path); |
532 | req->dataptr = SvPV_nolen (req->data); |
541 | req->dataptr = SvPV_nolen (req->data); |
533 | } |
542 | } |
534 | else |
543 | else |
535 | { |
544 | { |
536 | req->type = REQ_FSTAT; |
545 | req->type = REQ_FSTAT; |
|
|
546 | req->fh = newSVsv (fh_or_path); |
537 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
547 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
538 | } |
548 | } |
539 | |
549 | |
540 | req->callback = SvREFCNT_inc (callback); |
550 | req->callback = SvREFCNT_inc (callback); |
541 | |
551 | |
542 | send_req (req); |
552 | send_req (req); |
543 | } |
553 | } |
544 | |
554 | |
545 | void |
555 | void |
546 | aio_unlink(pathname,callback) |
556 | aio_unlink(pathname,callback=&PL_sv_undef) |
547 | SV * pathname |
557 | SV * pathname |
548 | SV * callback |
558 | SV * callback |
549 | PROTOTYPE: $$ |
|
|
550 | CODE: |
559 | CODE: |
551 | { |
560 | { |
552 | aio_req req; |
561 | aio_req req; |
553 | |
562 | |
554 | Newz (0, req, 1, aio_cb); |
563 | Newz (0, req, 1, aio_cb); |
… | |
… | |
562 | req->callback = SvREFCNT_inc (callback); |
571 | req->callback = SvREFCNT_inc (callback); |
563 | |
572 | |
564 | send_req (req); |
573 | send_req (req); |
565 | } |
574 | } |
566 | |
575 | |
|
|
576 | void |
|
|
577 | flush() |
|
|
578 | PROTOTYPE: |
|
|
579 | CODE: |
|
|
580 | while (nreqs) |
|
|
581 | { |
|
|
582 | poll_wait (); |
|
|
583 | poll_cb (); |
|
|
584 | } |
|
|
585 | |
|
|
586 | void |
|
|
587 | poll() |
|
|
588 | PROTOTYPE: |
|
|
589 | CODE: |
|
|
590 | if (nreqs) |
|
|
591 | { |
|
|
592 | poll_wait (); |
|
|
593 | poll_cb (); |
|
|
594 | } |
|
|
595 | |
567 | int |
596 | int |
568 | poll_fileno() |
597 | poll_fileno() |
569 | PROTOTYPE: |
598 | PROTOTYPE: |
570 | CODE: |
599 | CODE: |
571 | RETVAL = respipe [0]; |
600 | RETVAL = respipe [0]; |
… | |
… | |
574 | |
603 | |
575 | int |
604 | int |
576 | poll_cb(...) |
605 | poll_cb(...) |
577 | PROTOTYPE: |
606 | PROTOTYPE: |
578 | CODE: |
607 | CODE: |
579 | RETVAL = poll_cb (aTHX); |
608 | RETVAL = poll_cb (); |
580 | OUTPUT: |
609 | OUTPUT: |
581 | RETVAL |
610 | RETVAL |
582 | |
611 | |
583 | void |
612 | void |
584 | poll_wait() |
613 | poll_wait() |