… | |
… | |
7 | |
7 | |
8 | #include "autoconf/config.h" |
8 | #include "autoconf/config.h" |
9 | |
9 | |
10 | #include <pthread.h> |
10 | #include <pthread.h> |
11 | |
11 | |
|
|
12 | #include <stddef.h> |
|
|
13 | #include <errno.h> |
|
|
14 | #include <sys/time.h> |
|
|
15 | #include <sys/select.h> |
12 | #include <sys/types.h> |
16 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
14 | |
18 | #include <limits.h> |
15 | #include <unistd.h> |
19 | #include <unistd.h> |
16 | #include <fcntl.h> |
20 | #include <fcntl.h> |
17 | #include <signal.h> |
21 | #include <signal.h> |
18 | #include <sched.h> |
22 | #include <sched.h> |
19 | |
23 | |
… | |
… | |
30 | # else |
34 | # else |
31 | # error sendfile support requested but not available |
35 | # error sendfile support requested but not available |
32 | # endif |
36 | # endif |
33 | #endif |
37 | #endif |
34 | |
38 | |
|
|
39 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
40 | #ifndef NAME_MAX |
|
|
41 | # define NAME_MAX 4096 |
|
|
42 | #endif |
|
|
43 | |
35 | #if __ia64 |
44 | #if __ia64 |
36 | # define STACKSIZE 65536 |
45 | # define STACKSIZE 65536 |
37 | #else |
46 | #else |
38 | # define STACKSIZE 4096 |
47 | # define STACKSIZE 8192 |
39 | #endif |
48 | #endif |
40 | |
49 | |
41 | enum { |
50 | enum { |
42 | REQ_QUIT, |
51 | REQ_QUIT, |
43 | REQ_OPEN, REQ_CLOSE, |
52 | REQ_OPEN, REQ_CLOSE, |
44 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
45 | REQ_SENDFILE, |
54 | REQ_SENDFILE, |
46 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
47 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
48 | REQ_UNLINK, REQ_RMDIR, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
49 | REQ_SYMLINK, |
58 | REQ_READDIR, |
|
|
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_SLEEP, |
|
|
61 | REQ_GROUP, |
50 | }; |
62 | }; |
51 | |
63 | |
|
|
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
66 | |
52 | typedef struct aio_cb { |
67 | typedef struct aio_cb |
|
|
68 | { |
53 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
54 | |
70 | |
55 | int type; |
71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
56 | |
72 | |
57 | int fd, fd2; |
73 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
74 | |
|
|
75 | SV *data, *callback; |
|
|
76 | SV *fh, *fh2; |
|
|
77 | void *dataptr, *data2ptr; |
|
|
78 | Stat_t *statdata; |
58 | off_t offset; |
79 | off_t offset; |
59 | size_t length; |
80 | size_t length; |
60 | ssize_t result; |
81 | ssize_t result; |
|
|
82 | |
|
|
83 | int type; |
|
|
84 | int fd, fd2; |
|
|
85 | int errorno; |
|
|
86 | STRLEN dataoffset; |
61 | mode_t mode; /* open */ |
87 | mode_t mode; /* open */ |
62 | int errorno; |
88 | unsigned char cancelled; |
63 | SV *data, *callback; |
|
|
64 | SV *fh, *fh2; |
|
|
65 | void *dataptr, *data2ptr; |
|
|
66 | STRLEN dataoffset; |
|
|
67 | |
|
|
68 | Stat_t *statdata; |
|
|
69 | } aio_cb; |
89 | } aio_cb; |
70 | |
90 | |
71 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
|
|
92 | typedef aio_cb *aio_req_ornot; |
72 | |
93 | |
73 | static int started, wanted; |
94 | static int started, wanted; |
74 | static volatile int nreqs; |
95 | static volatile int nreqs; |
75 | static int max_outstanding = 1<<30; |
96 | static int max_outstanding = 1<<30; |
76 | static int respipe [2]; |
97 | static int respipe [2]; |
… | |
… | |
80 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
81 | |
102 | |
82 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
83 | static volatile aio_req ress, rese; /* queue start, queue end */ |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
84 | |
105 | |
|
|
106 | static void req_invoke (aio_req req); |
85 | static void free_req (aio_req req) |
107 | static void req_free (aio_req req); |
86 | { |
|
|
87 | if (req->data) |
|
|
88 | SvREFCNT_dec (req->data); |
|
|
89 | |
108 | |
|
|
109 | /* must be called at most once */ |
|
|
110 | static SV *req_sv (aio_req req, const char *klass) |
|
|
111 | { |
90 | if (req->fh) |
112 | if (!req->self) |
91 | SvREFCNT_dec (req->fh); |
113 | { |
|
|
114 | req->self = (SV *)newHV (); |
|
|
115 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
116 | } |
92 | |
117 | |
93 | if (req->fh2) |
118 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
|
|
119 | } |
|
|
120 | |
|
|
121 | static aio_req SvAIO_REQ (SV *sv) |
|
|
122 | { |
|
|
123 | MAGIC *mg; |
|
|
124 | |
|
|
125 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
|
|
126 | croak ("object of class " AIO_REQ_KLASS " expected"); |
|
|
127 | |
|
|
128 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
|
129 | |
|
|
130 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
131 | } |
|
|
132 | |
|
|
133 | static void aio_grp_feed (aio_req grp) |
|
|
134 | { |
|
|
135 | while (grp->length < grp->fd2) |
|
|
136 | { |
|
|
137 | int old_len = grp->length; |
|
|
138 | |
|
|
139 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
140 | { |
|
|
141 | dSP; |
|
|
142 | |
|
|
143 | ENTER; |
|
|
144 | SAVETMPS; |
|
|
145 | PUSHMARK (SP); |
|
|
146 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
147 | PUTBACK; |
|
|
148 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
|
149 | SPAGAIN; |
|
|
150 | FREETMPS; |
|
|
151 | LEAVE; |
|
|
152 | } |
|
|
153 | |
|
|
154 | /* stop if no progress has been made */ |
|
|
155 | if (old_len == grp->length) |
|
|
156 | { |
94 | SvREFCNT_dec (req->fh2); |
157 | SvREFCNT_dec (grp->fh2); |
95 | |
158 | grp->fh2 = 0; |
96 | if (req->statdata) |
159 | break; |
97 | Safefree (req->statdata); |
160 | } |
98 | |
161 | } |
99 | if (req->callback) |
|
|
100 | SvREFCNT_dec (req->callback); |
|
|
101 | |
|
|
102 | Safefree (req); |
|
|
103 | } |
162 | } |
104 | |
163 | |
105 | static void |
164 | static void aio_grp_dec (aio_req grp) |
106 | poll_wait () |
165 | { |
|
|
166 | --grp->length; |
|
|
167 | |
|
|
168 | /* call feeder, if applicable */ |
|
|
169 | aio_grp_feed (grp); |
|
|
170 | |
|
|
171 | /* finish, if done */ |
|
|
172 | if (!grp->length && grp->fd) |
|
|
173 | { |
|
|
174 | req_invoke (grp); |
|
|
175 | req_free (grp); |
|
|
176 | } |
|
|
177 | } |
|
|
178 | |
|
|
179 | static void poll_wait () |
107 | { |
180 | { |
108 | if (nreqs && !ress) |
181 | if (nreqs && !ress) |
109 | { |
182 | { |
110 | fd_set rfd; |
183 | fd_set rfd; |
111 | FD_ZERO(&rfd); |
184 | FD_ZERO(&rfd); |
… | |
… | |
113 | |
186 | |
114 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
187 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
115 | } |
188 | } |
116 | } |
189 | } |
117 | |
190 | |
118 | static int |
191 | static void req_invoke (aio_req req) |
119 | poll_cb () |
192 | { |
|
|
193 | dSP; |
|
|
194 | int errorno = errno; |
|
|
195 | |
|
|
196 | if (req->cancelled || !SvOK (req->callback)) |
|
|
197 | return; |
|
|
198 | |
|
|
199 | errno = req->errorno; |
|
|
200 | |
|
|
201 | ENTER; |
|
|
202 | SAVETMPS; |
|
|
203 | PUSHMARK (SP); |
|
|
204 | EXTEND (SP, 1); |
|
|
205 | |
|
|
206 | switch (req->type) |
|
|
207 | { |
|
|
208 | case REQ_READDIR: |
|
|
209 | { |
|
|
210 | SV *rv = &PL_sv_undef; |
|
|
211 | |
|
|
212 | if (req->result >= 0) |
|
|
213 | { |
|
|
214 | char *buf = req->data2ptr; |
|
|
215 | AV *av = newAV (); |
|
|
216 | |
|
|
217 | while (req->result) |
|
|
218 | { |
|
|
219 | SV *sv = newSVpv (buf, 0); |
|
|
220 | |
|
|
221 | av_push (av, sv); |
|
|
222 | buf += SvCUR (sv) + 1; |
|
|
223 | req->result--; |
|
|
224 | } |
|
|
225 | |
|
|
226 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
227 | } |
|
|
228 | |
|
|
229 | PUSHs (rv); |
|
|
230 | } |
|
|
231 | break; |
|
|
232 | |
|
|
233 | case REQ_OPEN: |
|
|
234 | { |
|
|
235 | /* convert fd to fh */ |
|
|
236 | SV *fh; |
|
|
237 | |
|
|
238 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
239 | PUTBACK; |
|
|
240 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
241 | SPAGAIN; |
|
|
242 | |
|
|
243 | fh = SvREFCNT_inc (POPs); |
|
|
244 | |
|
|
245 | PUSHMARK (SP); |
|
|
246 | XPUSHs (sv_2mortal (fh)); |
|
|
247 | } |
|
|
248 | break; |
|
|
249 | |
|
|
250 | case REQ_GROUP: |
|
|
251 | req->fd = 2; /* mark group as finished */ |
|
|
252 | |
|
|
253 | if (req->data) |
|
|
254 | { |
|
|
255 | int i; |
|
|
256 | AV *av = (AV *)req->data; |
|
|
257 | |
|
|
258 | EXTEND (SP, AvFILL (av) + 1); |
|
|
259 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
260 | PUSHs (*av_fetch (av, i, 0)); |
|
|
261 | } |
|
|
262 | break; |
|
|
263 | |
|
|
264 | case REQ_SLEEP: |
|
|
265 | break; |
|
|
266 | |
|
|
267 | default: |
|
|
268 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
269 | break; |
|
|
270 | } |
|
|
271 | |
|
|
272 | |
|
|
273 | PUTBACK; |
|
|
274 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
275 | SPAGAIN; |
|
|
276 | |
|
|
277 | FREETMPS; |
|
|
278 | LEAVE; |
|
|
279 | |
|
|
280 | errno = errorno; |
|
|
281 | |
|
|
282 | if (SvTRUE (ERRSV)) |
|
|
283 | { |
|
|
284 | req_free (req); |
|
|
285 | croak (0); |
|
|
286 | } |
|
|
287 | } |
|
|
288 | |
|
|
289 | static void req_free (aio_req req) |
|
|
290 | { |
|
|
291 | if (req->grp) |
|
|
292 | { |
|
|
293 | aio_req grp = req->grp; |
|
|
294 | |
|
|
295 | /* unlink request */ |
|
|
296 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
297 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
298 | |
|
|
299 | if (grp->grp_first == req) |
|
|
300 | grp->grp_first = req->grp_next; |
|
|
301 | |
|
|
302 | aio_grp_dec (grp); |
|
|
303 | } |
|
|
304 | |
|
|
305 | if (req->self) |
|
|
306 | { |
|
|
307 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
308 | SvREFCNT_dec (req->self); |
|
|
309 | } |
|
|
310 | |
|
|
311 | SvREFCNT_dec (req->data); |
|
|
312 | SvREFCNT_dec (req->fh); |
|
|
313 | SvREFCNT_dec (req->fh2); |
|
|
314 | SvREFCNT_dec (req->callback); |
|
|
315 | Safefree (req->statdata); |
|
|
316 | |
|
|
317 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
318 | free (req->data2ptr); |
|
|
319 | |
|
|
320 | Safefree (req); |
|
|
321 | } |
|
|
322 | |
|
|
323 | static void req_cancel (aio_req req) |
|
|
324 | { |
|
|
325 | req->cancelled = 1; |
|
|
326 | |
|
|
327 | if (req->type == REQ_GROUP) |
|
|
328 | { |
|
|
329 | aio_req sub; |
|
|
330 | |
|
|
331 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
332 | req_cancel (sub); |
|
|
333 | } |
|
|
334 | } |
|
|
335 | |
|
|
336 | static int poll_cb () |
120 | { |
337 | { |
121 | dSP; |
338 | dSP; |
122 | int count = 0; |
339 | int count = 0; |
123 | int do_croak = 0; |
340 | int do_croak = 0; |
124 | aio_req req; |
341 | aio_req req; |
… | |
… | |
146 | pthread_mutex_unlock (&reslock); |
363 | pthread_mutex_unlock (&reslock); |
147 | |
364 | |
148 | if (!req) |
365 | if (!req) |
149 | break; |
366 | break; |
150 | |
367 | |
151 | nreqs--; |
368 | --nreqs; |
152 | |
369 | |
153 | if (req->type == REQ_QUIT) |
370 | if (req->type == REQ_QUIT) |
154 | started--; |
371 | started--; |
|
|
372 | else if (req->type == REQ_GROUP && req->length) |
|
|
373 | { |
|
|
374 | req->fd = 1; /* mark request as delayed */ |
|
|
375 | continue; |
|
|
376 | } |
155 | else |
377 | else |
156 | { |
378 | { |
157 | int errorno = errno; |
|
|
158 | errno = req->errorno; |
|
|
159 | |
|
|
160 | if (req->type == REQ_READ) |
379 | if (req->type == REQ_READ) |
161 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
380 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
162 | |
381 | |
163 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
382 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
164 | SvREADONLY_off (req->data); |
383 | SvREADONLY_off (req->data); |
… | |
… | |
168 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
387 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
169 | PL_laststatval = req->result; |
388 | PL_laststatval = req->result; |
170 | PL_statcache = *(req->statdata); |
389 | PL_statcache = *(req->statdata); |
171 | } |
390 | } |
172 | |
391 | |
173 | ENTER; |
392 | req_invoke (req); |
174 | PUSHMARK (SP); |
|
|
175 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
176 | |
393 | |
177 | if (req->type == REQ_OPEN) |
|
|
178 | { |
|
|
179 | /* convert fd to fh */ |
|
|
180 | SV *fh; |
|
|
181 | |
|
|
182 | PUTBACK; |
|
|
183 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
184 | SPAGAIN; |
|
|
185 | |
|
|
186 | fh = SvREFCNT_inc (POPs); |
|
|
187 | |
|
|
188 | PUSHMARK (SP); |
|
|
189 | XPUSHs (sv_2mortal (fh)); |
|
|
190 | } |
|
|
191 | |
|
|
192 | if (SvOK (req->callback)) |
|
|
193 | { |
|
|
194 | PUTBACK; |
|
|
195 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
196 | SPAGAIN; |
|
|
197 | |
|
|
198 | if (SvTRUE (ERRSV)) |
|
|
199 | { |
|
|
200 | free_req (req); |
|
|
201 | croak (0); |
|
|
202 | } |
|
|
203 | } |
|
|
204 | |
|
|
205 | LEAVE; |
|
|
206 | |
|
|
207 | errno = errorno; |
|
|
208 | count++; |
394 | count++; |
209 | } |
395 | } |
210 | |
396 | |
211 | free_req (req); |
397 | req_free (req); |
212 | } |
398 | } |
213 | |
399 | |
214 | return count; |
400 | return count; |
215 | } |
401 | } |
216 | |
402 | |
217 | static void *aio_proc(void *arg); |
403 | static void *aio_proc(void *arg); |
218 | |
404 | |
219 | static void |
|
|
220 | start_thread (void) |
405 | static void start_thread (void) |
221 | { |
406 | { |
222 | sigset_t fullsigset, oldsigset; |
407 | sigset_t fullsigset, oldsigset; |
223 | pthread_t tid; |
408 | pthread_t tid; |
224 | pthread_attr_t attr; |
409 | pthread_attr_t attr; |
225 | |
410 | |
… | |
… | |
234 | started++; |
419 | started++; |
235 | |
420 | |
236 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
421 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
237 | } |
422 | } |
238 | |
423 | |
239 | static void |
424 | static void req_send (aio_req req) |
240 | send_req (aio_req req) |
|
|
241 | { |
425 | { |
242 | while (started < wanted && nreqs >= started) |
426 | while (started < wanted && nreqs >= started) |
243 | start_thread (); |
427 | start_thread (); |
244 | |
428 | |
245 | nreqs++; |
429 | ++nreqs; |
246 | |
430 | |
247 | pthread_mutex_lock (&reqlock); |
431 | pthread_mutex_lock (&reqlock); |
248 | |
432 | |
249 | req->next = 0; |
433 | req->next = 0; |
250 | |
434 | |
… | |
… | |
269 | |
453 | |
270 | poll_wait (); |
454 | poll_wait (); |
271 | } |
455 | } |
272 | } |
456 | } |
273 | |
457 | |
274 | static void |
458 | static void end_thread (void) |
275 | end_thread (void) |
|
|
276 | { |
459 | { |
277 | aio_req req; |
460 | aio_req req; |
278 | Newz (0, req, 1, aio_cb); |
461 | Newz (0, req, 1, aio_cb); |
279 | req->type = REQ_QUIT; |
462 | req->type = REQ_QUIT; |
280 | |
463 | |
281 | send_req (req); |
464 | req_send (req); |
282 | } |
465 | } |
283 | |
466 | |
284 | static void min_parallel (int nthreads) |
467 | static void min_parallel (int nthreads) |
285 | { |
468 | { |
286 | if (wanted < nthreads) |
469 | if (wanted < nthreads) |
… | |
… | |
315 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
498 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
316 | croak ("cannot set result pipe to nonblocking mode"); |
499 | croak ("cannot set result pipe to nonblocking mode"); |
317 | |
500 | |
318 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
501 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
319 | croak ("cannot set result pipe to nonblocking mode"); |
502 | croak ("cannot set result pipe to nonblocking mode"); |
320 | } |
|
|
321 | |
|
|
322 | static void atfork_prepare (void) |
|
|
323 | { |
|
|
324 | pthread_mutex_lock (&reqlock); |
|
|
325 | pthread_mutex_lock (&reslock); |
|
|
326 | } |
|
|
327 | |
|
|
328 | static void atfork_parent (void) |
|
|
329 | { |
|
|
330 | pthread_mutex_unlock (&reslock); |
|
|
331 | pthread_mutex_unlock (&reqlock); |
|
|
332 | } |
|
|
333 | |
|
|
334 | static void atfork_child (void) |
|
|
335 | { |
|
|
336 | aio_req prv; |
|
|
337 | |
|
|
338 | started = 0; |
|
|
339 | |
|
|
340 | while (reqs) |
|
|
341 | { |
|
|
342 | prv = reqs; |
|
|
343 | reqs = prv->next; |
|
|
344 | free_req (prv); |
|
|
345 | } |
|
|
346 | |
|
|
347 | reqs = reqe = 0; |
|
|
348 | |
|
|
349 | while (ress) |
|
|
350 | { |
|
|
351 | prv = ress; |
|
|
352 | ress = prv->next; |
|
|
353 | free_req (prv); |
|
|
354 | } |
|
|
355 | |
|
|
356 | ress = rese = 0; |
|
|
357 | |
|
|
358 | close (respipe [0]); |
|
|
359 | close (respipe [1]); |
|
|
360 | create_pipe (); |
|
|
361 | |
|
|
362 | atfork_parent (); |
|
|
363 | } |
503 | } |
364 | |
504 | |
365 | /*****************************************************************************/ |
505 | /*****************************************************************************/ |
366 | /* work around various missing functions */ |
506 | /* work around various missing functions */ |
367 | |
507 | |
… | |
… | |
372 | /* |
512 | /* |
373 | * make our pread/pwrite safe against themselves, but not against |
513 | * make our pread/pwrite safe against themselves, but not against |
374 | * normal read/write by using a mutex. slows down execution a lot, |
514 | * normal read/write by using a mutex. slows down execution a lot, |
375 | * but that's your problem, not mine. |
515 | * but that's your problem, not mine. |
376 | */ |
516 | */ |
377 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
517 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
378 | |
518 | |
379 | static ssize_t |
519 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
380 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
381 | { |
520 | { |
382 | ssize_t res; |
521 | ssize_t res; |
383 | off_t ooffset; |
522 | off_t ooffset; |
384 | |
523 | |
385 | pthread_mutex_lock (&iolock); |
524 | pthread_mutex_lock (&preadwritelock); |
386 | ooffset = lseek (fd, 0, SEEK_CUR); |
525 | ooffset = lseek (fd, 0, SEEK_CUR); |
387 | lseek (fd, offset, SEEK_SET); |
526 | lseek (fd, offset, SEEK_SET); |
388 | res = read (fd, buf, count); |
527 | res = read (fd, buf, count); |
389 | lseek (fd, ooffset, SEEK_SET); |
528 | lseek (fd, ooffset, SEEK_SET); |
390 | pthread_mutex_unlock (&iolock); |
529 | pthread_mutex_unlock (&preadwritelock); |
391 | |
530 | |
392 | return res; |
531 | return res; |
393 | } |
532 | } |
394 | |
533 | |
395 | static ssize_t |
|
|
396 | pwrite (int fd, void *buf, size_t count, off_t offset) |
534 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
397 | { |
535 | { |
398 | ssize_t res; |
536 | ssize_t res; |
399 | off_t ooffset; |
537 | off_t ooffset; |
400 | |
538 | |
401 | pthread_mutex_lock (&iolock); |
539 | pthread_mutex_lock (&preadwritelock); |
402 | ooffset = lseek (fd, 0, SEEK_CUR); |
540 | ooffset = lseek (fd, 0, SEEK_CUR); |
403 | lseek (fd, offset, SEEK_SET); |
541 | lseek (fd, offset, SEEK_SET); |
404 | res = write (fd, buf, count); |
542 | res = write (fd, buf, count); |
405 | lseek (fd, offset, SEEK_SET); |
543 | lseek (fd, offset, SEEK_SET); |
406 | pthread_mutex_unlock (&iolock); |
544 | pthread_mutex_unlock (&preadwritelock); |
407 | |
545 | |
408 | return res; |
546 | return res; |
409 | } |
547 | } |
410 | #endif |
548 | #endif |
411 | |
549 | |
… | |
… | |
414 | #endif |
552 | #endif |
415 | |
553 | |
416 | #if !HAVE_READAHEAD |
554 | #if !HAVE_READAHEAD |
417 | # define readahead aio_readahead |
555 | # define readahead aio_readahead |
418 | |
556 | |
|
|
557 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
558 | { |
419 | static char readahead_buf[4096]; |
559 | char readahead_buf[4096]; |
420 | |
560 | |
421 | static ssize_t |
|
|
422 | readahead (int fd, off_t offset, size_t count) |
|
|
423 | { |
|
|
424 | while (count > 0) |
561 | while (count > 0) |
425 | { |
562 | { |
426 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
563 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
427 | |
564 | |
428 | pread (fd, readahead_buf, len, offset); |
565 | pread (fd, readahead_buf, len, offset); |
… | |
… | |
432 | |
569 | |
433 | errno = 0; |
570 | errno = 0; |
434 | } |
571 | } |
435 | #endif |
572 | #endif |
436 | |
573 | |
|
|
574 | #if !HAVE_READDIR_R |
|
|
575 | # define readdir_r aio_readdir_r |
|
|
576 | |
|
|
577 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
578 | |
|
|
579 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
580 | { |
|
|
581 | struct dirent *e; |
|
|
582 | int errorno; |
|
|
583 | |
|
|
584 | pthread_mutex_lock (&readdirlock); |
|
|
585 | |
|
|
586 | e = readdir (dirp); |
|
|
587 | errorno = errno; |
|
|
588 | |
|
|
589 | if (e) |
|
|
590 | { |
|
|
591 | *res = ent; |
|
|
592 | strcpy (ent->d_name, e->d_name); |
|
|
593 | } |
|
|
594 | else |
|
|
595 | *res = 0; |
|
|
596 | |
|
|
597 | pthread_mutex_unlock (&readdirlock); |
|
|
598 | |
|
|
599 | errno = errorno; |
|
|
600 | return e ? 0 : -1; |
|
|
601 | } |
|
|
602 | #endif |
|
|
603 | |
437 | /* sendfile always needs emulation */ |
604 | /* sendfile always needs emulation */ |
438 | static ssize_t |
|
|
439 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
605 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
440 | { |
606 | { |
441 | ssize_t res; |
607 | ssize_t res; |
442 | |
608 | |
443 | if (!count) |
609 | if (!count) |
444 | return 0; |
610 | return 0; |
445 | |
611 | |
446 | #if HAVE_SENDFILE |
612 | #if HAVE_SENDFILE |
447 | # if __linux |
613 | # if __linux |
448 | res = sendfile (ofd, ifd, &offset, count); |
614 | res = sendfile (ofd, ifd, &offset, count); |
449 | |
615 | |
450 | # elif __freebsd |
616 | # elif __freebsd |
451 | /* |
617 | /* |
452 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
618 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
453 | * wasted on making it similar to other I/O functions. |
619 | * wasted on making it similar to other I/O functions. |
454 | */ |
620 | */ |
455 | { |
621 | { |
456 | off_t sbytes; |
622 | off_t sbytes; |
457 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
623 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
458 | |
624 | |
459 | if (res < 0 && sbytes) |
625 | if (res < 0 && sbytes) |
460 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
626 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
461 | res = sbytes; |
627 | res = sbytes; |
462 | } |
628 | } |
463 | |
629 | |
464 | # elif __hpux |
630 | # elif __hpux |
465 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
631 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
466 | |
632 | |
467 | # elif __solaris |
633 | # elif __solaris |
468 | { |
634 | { |
469 | struct sendfilevec vec; |
635 | struct sendfilevec vec; |
470 | size_t sbytes; |
636 | size_t sbytes; |
471 | |
637 | |
472 | vec.sfv_fd = ifd; |
638 | vec.sfv_fd = ifd; |
473 | vec.sfv_flag = 0; |
639 | vec.sfv_flag = 0; |
474 | vec.sfv_off = offset; |
640 | vec.sfv_off = offset; |
475 | vec.sfv_len = count; |
641 | vec.sfv_len = count; |
476 | |
642 | |
477 | res = sendfilev (ofd, &vec, 1, &sbytes); |
643 | res = sendfilev (ofd, &vec, 1, &sbytes); |
478 | |
644 | |
479 | if (res < 0 && sbytes) |
645 | if (res < 0 && sbytes) |
480 | res = sbytes; |
646 | res = sbytes; |
481 | } |
647 | } |
482 | |
648 | |
483 | # else |
|
|
484 | res = -1; |
|
|
485 | errno = ENOSYS; |
|
|
486 | # endif |
649 | # endif |
|
|
650 | #else |
|
|
651 | res = -1; |
|
|
652 | errno = ENOSYS; |
487 | #endif |
653 | #endif |
488 | |
654 | |
489 | if (res < 0 |
655 | if (res < 0 |
490 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
656 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
491 | #if __solaris |
657 | #if __solaris |
492 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
658 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
493 | #endif |
659 | #endif |
494 | ) |
660 | ) |
495 | ) |
661 | ) |
496 | { |
662 | { |
497 | /* emulate sendfile. this is a major pain in the ass */ |
663 | /* emulate sendfile. this is a major pain in the ass */ |
498 | char *buf = malloc (4096); |
664 | char buf[4096]; |
499 | res = 0; |
665 | res = 0; |
500 | |
666 | |
501 | for (;;) |
667 | while (count) |
502 | { |
668 | { |
503 | ssize_t cnt; |
669 | ssize_t cnt; |
504 | |
670 | |
505 | cnt = pread (ifd, buf, 4096, offset); |
671 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
506 | |
672 | |
507 | if (cnt <= 0) |
673 | if (cnt <= 0) |
508 | { |
674 | { |
509 | if (cnt && !res) res = -1; |
675 | if (cnt && !res) res = -1; |
510 | break; |
676 | break; |
511 | } |
677 | } |
512 | |
678 | |
513 | cnt = write (ofd, buf, cnt); |
679 | cnt = write (ofd, buf, cnt); |
514 | |
680 | |
515 | if (cnt <= 0) |
681 | if (cnt <= 0) |
516 | { |
682 | { |
517 | if (cnt && !res) res = -1; |
683 | if (cnt && !res) res = -1; |
518 | break; |
684 | break; |
519 | } |
685 | } |
520 | |
686 | |
521 | offset += cnt; |
687 | offset += cnt; |
522 | res += cnt; |
688 | res += cnt; |
|
|
689 | count -= cnt; |
523 | } |
690 | } |
524 | |
|
|
525 | { |
|
|
526 | int errorno = errno; |
|
|
527 | free (buf); |
|
|
528 | errno = errorno; |
|
|
529 | } |
|
|
530 | } |
691 | } |
531 | |
692 | |
532 | return res; |
693 | return res; |
|
|
694 | } |
|
|
695 | |
|
|
696 | /* read a full directory */ |
|
|
697 | static int scandir_ (const char *path, void **namesp) |
|
|
698 | { |
|
|
699 | DIR *dirp = opendir (path); |
|
|
700 | union |
|
|
701 | { |
|
|
702 | struct dirent d; |
|
|
703 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
704 | } u; |
|
|
705 | struct dirent *entp; |
|
|
706 | char *name, *names; |
|
|
707 | int memlen = 4096; |
|
|
708 | int memofs = 0; |
|
|
709 | int res = 0; |
|
|
710 | int errorno; |
|
|
711 | |
|
|
712 | if (!dirp) |
|
|
713 | return -1; |
|
|
714 | |
|
|
715 | names = malloc (memlen); |
|
|
716 | |
|
|
717 | for (;;) |
|
|
718 | { |
|
|
719 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
720 | |
|
|
721 | if (!entp) |
|
|
722 | break; |
|
|
723 | |
|
|
724 | name = entp->d_name; |
|
|
725 | |
|
|
726 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
727 | { |
|
|
728 | int len = strlen (name) + 1; |
|
|
729 | |
|
|
730 | res++; |
|
|
731 | |
|
|
732 | while (memofs + len > memlen) |
|
|
733 | { |
|
|
734 | memlen *= 2; |
|
|
735 | names = realloc (names, memlen); |
|
|
736 | if (!names) |
|
|
737 | break; |
|
|
738 | } |
|
|
739 | |
|
|
740 | memcpy (names + memofs, name, len); |
|
|
741 | memofs += len; |
|
|
742 | } |
|
|
743 | } |
|
|
744 | |
|
|
745 | errorno = errno; |
|
|
746 | closedir (dirp); |
|
|
747 | |
|
|
748 | if (errorno) |
|
|
749 | { |
|
|
750 | free (names); |
|
|
751 | errno = errorno; |
|
|
752 | res = -1; |
|
|
753 | } |
|
|
754 | |
|
|
755 | *namesp = (void *)names; |
|
|
756 | return res; |
533 | } |
757 | } |
534 | |
758 | |
535 | /*****************************************************************************/ |
759 | /*****************************************************************************/ |
536 | |
760 | |
537 | static void * |
|
|
538 | aio_proc (void *thr_arg) |
761 | static void *aio_proc (void *thr_arg) |
539 | { |
762 | { |
540 | aio_req req; |
763 | aio_req req; |
541 | int type; |
764 | int type; |
542 | |
765 | |
543 | do |
766 | do |
… | |
… | |
562 | |
785 | |
563 | pthread_mutex_unlock (&reqlock); |
786 | pthread_mutex_unlock (&reqlock); |
564 | |
787 | |
565 | errno = 0; /* strictly unnecessary */ |
788 | errno = 0; /* strictly unnecessary */ |
566 | |
789 | |
567 | type = req->type; |
790 | if (!req->cancelled) |
568 | |
791 | switch (type = req->type) /* remember type for QUIT check */ |
569 | switch (type) |
|
|
570 | { |
792 | { |
571 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
793 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
572 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
794 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
573 | |
795 | |
574 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
796 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
575 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
797 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
576 | |
798 | |
577 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
799 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
578 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
800 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
579 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
801 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
580 | |
802 | |
581 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
803 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
582 | case REQ_CLOSE: req->result = close (req->fd); break; |
804 | case REQ_CLOSE: req->result = close (req->fd); break; |
583 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
805 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
584 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
806 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
807 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
808 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
585 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
809 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
586 | |
810 | |
587 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
811 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
588 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
812 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
813 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
589 | |
814 | |
|
|
815 | case REQ_SLEEP: |
|
|
816 | { |
|
|
817 | struct timeval tv; |
|
|
818 | |
|
|
819 | tv.tv_sec = req->fd; |
|
|
820 | tv.tv_usec = req->fd2; |
|
|
821 | |
|
|
822 | req->result = select (0, 0, 0, 0, &tv); |
|
|
823 | } |
|
|
824 | |
590 | case REQ_QUIT: |
825 | case REQ_QUIT: |
591 | break; |
826 | break; |
592 | |
827 | |
593 | default: |
828 | default: |
594 | req->result = ENOSYS; |
829 | req->result = ENOSYS; |
595 | break; |
830 | break; |
596 | } |
831 | } |
597 | |
832 | |
598 | req->errorno = errno; |
833 | req->errorno = errno; |
599 | |
834 | |
600 | pthread_mutex_lock (&reslock); |
835 | pthread_mutex_lock (&reslock); |
601 | |
836 | |
… | |
… | |
619 | while (type != REQ_QUIT); |
854 | while (type != REQ_QUIT); |
620 | |
855 | |
621 | return 0; |
856 | return 0; |
622 | } |
857 | } |
623 | |
858 | |
|
|
859 | /*****************************************************************************/ |
|
|
860 | |
|
|
861 | static void atfork_prepare (void) |
|
|
862 | { |
|
|
863 | pthread_mutex_lock (&reqlock); |
|
|
864 | pthread_mutex_lock (&reslock); |
|
|
865 | #if !HAVE_PREADWRITE |
|
|
866 | pthread_mutex_lock (&preadwritelock); |
|
|
867 | #endif |
|
|
868 | #if !HAVE_READDIR_R |
|
|
869 | pthread_mutex_lock (&readdirlock); |
|
|
870 | #endif |
|
|
871 | } |
|
|
872 | |
|
|
873 | static void atfork_parent (void) |
|
|
874 | { |
|
|
875 | #if !HAVE_READDIR_R |
|
|
876 | pthread_mutex_unlock (&readdirlock); |
|
|
877 | #endif |
|
|
878 | #if !HAVE_PREADWRITE |
|
|
879 | pthread_mutex_unlock (&preadwritelock); |
|
|
880 | #endif |
|
|
881 | pthread_mutex_unlock (&reslock); |
|
|
882 | pthread_mutex_unlock (&reqlock); |
|
|
883 | } |
|
|
884 | |
|
|
885 | static void atfork_child (void) |
|
|
886 | { |
|
|
887 | aio_req prv; |
|
|
888 | |
|
|
889 | started = 0; |
|
|
890 | |
|
|
891 | while (reqs) |
|
|
892 | { |
|
|
893 | prv = reqs; |
|
|
894 | reqs = prv->next; |
|
|
895 | req_free (prv); |
|
|
896 | } |
|
|
897 | |
|
|
898 | reqs = reqe = 0; |
|
|
899 | |
|
|
900 | while (ress) |
|
|
901 | { |
|
|
902 | prv = ress; |
|
|
903 | ress = prv->next; |
|
|
904 | req_free (prv); |
|
|
905 | } |
|
|
906 | |
|
|
907 | ress = rese = 0; |
|
|
908 | |
|
|
909 | close (respipe [0]); |
|
|
910 | close (respipe [1]); |
|
|
911 | create_pipe (); |
|
|
912 | |
|
|
913 | atfork_parent (); |
|
|
914 | } |
|
|
915 | |
624 | #define dREQ \ |
916 | #define dREQ \ |
625 | aio_req req; \ |
917 | aio_req req; \ |
626 | \ |
918 | \ |
627 | if (SvOK (callback) && !SvROK (callback)) \ |
919 | if (SvOK (callback) && !SvROK (callback)) \ |
628 | croak ("clalback must be undef or of reference type"); \ |
920 | croak ("callback must be undef or of reference type"); \ |
629 | \ |
921 | \ |
630 | Newz (0, req, 1, aio_cb); \ |
922 | Newz (0, req, 1, aio_cb); \ |
631 | if (!req) \ |
923 | if (!req) \ |
632 | croak ("out of memory during aio_req allocation"); \ |
924 | croak ("out of memory during aio_req allocation"); \ |
633 | \ |
925 | \ |
634 | req->callback = newSVsv (callback); |
926 | req->callback = newSVsv (callback) |
|
|
927 | |
|
|
928 | #define REQ_SEND \ |
|
|
929 | req_send (req); \ |
|
|
930 | \ |
|
|
931 | if (GIMME_V != G_VOID) \ |
|
|
932 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
635 | |
933 | |
636 | MODULE = IO::AIO PACKAGE = IO::AIO |
934 | MODULE = IO::AIO PACKAGE = IO::AIO |
637 | |
935 | |
638 | PROTOTYPES: ENABLE |
936 | PROTOTYPES: ENABLE |
639 | |
937 | |
640 | BOOT: |
938 | BOOT: |
641 | { |
939 | { |
|
|
940 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
941 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
942 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
943 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
944 | |
642 | create_pipe (); |
945 | create_pipe (); |
643 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
946 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
644 | } |
947 | } |
645 | |
948 | |
646 | void |
949 | void |
647 | min_parallel(nthreads) |
950 | min_parallel (nthreads) |
648 | int nthreads |
951 | int nthreads |
649 | PROTOTYPE: $ |
952 | PROTOTYPE: $ |
650 | |
953 | |
651 | void |
954 | void |
652 | max_parallel(nthreads) |
955 | max_parallel (nthreads) |
653 | int nthreads |
956 | int nthreads |
654 | PROTOTYPE: $ |
957 | PROTOTYPE: $ |
655 | |
958 | |
656 | int |
959 | int |
657 | max_outstanding(nreqs) |
960 | max_outstanding (nreqs) |
658 | int nreqs |
961 | int nreqs |
659 | PROTOTYPE: $ |
962 | PROTOTYPE: $ |
660 | CODE: |
963 | CODE: |
661 | RETVAL = max_outstanding; |
964 | RETVAL = max_outstanding; |
662 | max_outstanding = nreqs; |
965 | max_outstanding = nreqs; |
663 | |
966 | |
664 | void |
967 | void |
665 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
968 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
666 | SV * pathname |
969 | SV * pathname |
667 | int flags |
970 | int flags |
668 | int mode |
971 | int mode |
669 | SV * callback |
972 | SV * callback |
670 | PROTOTYPE: $$$;$ |
973 | PROTOTYPE: $$$;$ |
671 | CODE: |
974 | PPCODE: |
672 | { |
975 | { |
673 | dREQ; |
976 | dREQ; |
674 | |
977 | |
675 | req->type = REQ_OPEN; |
978 | req->type = REQ_OPEN; |
676 | req->data = newSVsv (pathname); |
979 | req->data = newSVsv (pathname); |
677 | req->dataptr = SvPVbyte_nolen (req->data); |
980 | req->dataptr = SvPVbyte_nolen (req->data); |
678 | req->fd = flags; |
981 | req->fd = flags; |
679 | req->mode = mode; |
982 | req->mode = mode; |
680 | |
983 | |
681 | send_req (req); |
984 | REQ_SEND; |
682 | } |
985 | } |
683 | |
986 | |
684 | void |
987 | void |
685 | aio_close(fh,callback=&PL_sv_undef) |
988 | aio_close (fh,callback=&PL_sv_undef) |
686 | SV * fh |
989 | SV * fh |
687 | SV * callback |
990 | SV * callback |
688 | PROTOTYPE: $;$ |
991 | PROTOTYPE: $;$ |
689 | ALIAS: |
992 | ALIAS: |
690 | aio_close = REQ_CLOSE |
993 | aio_close = REQ_CLOSE |
691 | aio_fsync = REQ_FSYNC |
994 | aio_fsync = REQ_FSYNC |
692 | aio_fdatasync = REQ_FDATASYNC |
995 | aio_fdatasync = REQ_FDATASYNC |
693 | CODE: |
996 | PPCODE: |
694 | { |
997 | { |
695 | dREQ; |
998 | dREQ; |
696 | |
999 | |
697 | req->type = ix; |
1000 | req->type = ix; |
698 | req->fh = newSVsv (fh); |
1001 | req->fh = newSVsv (fh); |
699 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1002 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
700 | |
1003 | |
701 | send_req (req); |
1004 | REQ_SEND (req); |
702 | } |
1005 | } |
703 | |
1006 | |
704 | void |
1007 | void |
705 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1008 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
706 | SV * fh |
1009 | SV * fh |
707 | UV offset |
1010 | UV offset |
708 | UV length |
1011 | UV length |
709 | SV * data |
1012 | SV * data |
710 | UV dataoffset |
1013 | UV dataoffset |
711 | SV * callback |
1014 | SV * callback |
712 | ALIAS: |
1015 | ALIAS: |
713 | aio_read = REQ_READ |
1016 | aio_read = REQ_READ |
714 | aio_write = REQ_WRITE |
1017 | aio_write = REQ_WRITE |
715 | PROTOTYPE: $$$$$;$ |
1018 | PROTOTYPE: $$$$$;$ |
716 | CODE: |
1019 | PPCODE: |
717 | { |
1020 | { |
718 | aio_req req; |
1021 | aio_req req; |
719 | STRLEN svlen; |
1022 | STRLEN svlen; |
720 | char *svptr = SvPVbyte (data, svlen); |
1023 | char *svptr = SvPVbyte (data, svlen); |
721 | |
1024 | |
… | |
… | |
759 | { |
1062 | { |
760 | SvREADONLY_on (data); |
1063 | SvREADONLY_on (data); |
761 | req->data2ptr = (void *)data; |
1064 | req->data2ptr = (void *)data; |
762 | } |
1065 | } |
763 | |
1066 | |
764 | send_req (req); |
1067 | REQ_SEND; |
765 | } |
1068 | } |
766 | } |
1069 | } |
767 | |
1070 | |
768 | void |
1071 | void |
769 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1072 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
770 | SV * out_fh |
1073 | SV * out_fh |
771 | SV * in_fh |
1074 | SV * in_fh |
772 | UV in_offset |
1075 | UV in_offset |
773 | UV length |
1076 | UV length |
774 | SV * callback |
1077 | SV * callback |
775 | PROTOTYPE: $$$$;$ |
1078 | PROTOTYPE: $$$$;$ |
776 | CODE: |
1079 | PPCODE: |
777 | { |
1080 | { |
778 | dREQ; |
1081 | dREQ; |
779 | |
1082 | |
780 | req->type = REQ_SENDFILE; |
1083 | req->type = REQ_SENDFILE; |
781 | req->fh = newSVsv (out_fh); |
1084 | req->fh = newSVsv (out_fh); |
… | |
… | |
783 | req->fh2 = newSVsv (in_fh); |
1086 | req->fh2 = newSVsv (in_fh); |
784 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1087 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
785 | req->offset = in_offset; |
1088 | req->offset = in_offset; |
786 | req->length = length; |
1089 | req->length = length; |
787 | |
1090 | |
788 | send_req (req); |
1091 | REQ_SEND; |
789 | } |
1092 | } |
790 | |
1093 | |
791 | void |
1094 | void |
792 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1095 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
793 | SV * fh |
1096 | SV * fh |
794 | UV offset |
1097 | UV offset |
795 | IV length |
1098 | IV length |
796 | SV * callback |
1099 | SV * callback |
797 | PROTOTYPE: $$$;$ |
1100 | PROTOTYPE: $$$;$ |
798 | CODE: |
1101 | PPCODE: |
799 | { |
1102 | { |
800 | dREQ; |
1103 | dREQ; |
801 | |
1104 | |
802 | req->type = REQ_READAHEAD; |
1105 | req->type = REQ_READAHEAD; |
803 | req->fh = newSVsv (fh); |
1106 | req->fh = newSVsv (fh); |
804 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1107 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
805 | req->offset = offset; |
1108 | req->offset = offset; |
806 | req->length = length; |
1109 | req->length = length; |
807 | |
1110 | |
808 | send_req (req); |
1111 | REQ_SEND; |
809 | } |
1112 | } |
810 | |
1113 | |
811 | void |
1114 | void |
812 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1115 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
813 | SV * fh_or_path |
1116 | SV * fh_or_path |
814 | SV * callback |
1117 | SV * callback |
815 | ALIAS: |
1118 | ALIAS: |
816 | aio_stat = REQ_STAT |
1119 | aio_stat = REQ_STAT |
817 | aio_lstat = REQ_LSTAT |
1120 | aio_lstat = REQ_LSTAT |
818 | CODE: |
1121 | PPCODE: |
819 | { |
1122 | { |
820 | dREQ; |
1123 | dREQ; |
821 | |
1124 | |
822 | New (0, req->statdata, 1, Stat_t); |
1125 | New (0, req->statdata, 1, Stat_t); |
823 | if (!req->statdata) |
1126 | if (!req->statdata) |
824 | { |
1127 | { |
825 | free_req (req); |
1128 | req_free (req); |
826 | croak ("out of memory during aio_req->statdata allocation"); |
1129 | croak ("out of memory during aio_req->statdata allocation"); |
827 | } |
1130 | } |
828 | |
1131 | |
829 | if (SvPOK (fh_or_path)) |
1132 | if (SvPOK (fh_or_path)) |
830 | { |
1133 | { |
… | |
… | |
837 | req->type = REQ_FSTAT; |
1140 | req->type = REQ_FSTAT; |
838 | req->fh = newSVsv (fh_or_path); |
1141 | req->fh = newSVsv (fh_or_path); |
839 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1142 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
840 | } |
1143 | } |
841 | |
1144 | |
842 | send_req (req); |
1145 | REQ_SEND; |
843 | } |
1146 | } |
844 | |
1147 | |
845 | void |
1148 | void |
846 | aio_unlink(pathname,callback=&PL_sv_undef) |
1149 | aio_unlink (pathname,callback=&PL_sv_undef) |
847 | SV * pathname |
1150 | SV * pathname |
848 | SV * callback |
1151 | SV * callback |
849 | ALIAS: |
1152 | ALIAS: |
850 | aio_unlink = REQ_UNLINK |
1153 | aio_unlink = REQ_UNLINK |
851 | aio_rmdir = REQ_RMDIR |
1154 | aio_rmdir = REQ_RMDIR |
|
|
1155 | aio_readdir = REQ_READDIR |
852 | CODE: |
1156 | PPCODE: |
853 | { |
1157 | { |
854 | dREQ; |
1158 | dREQ; |
855 | |
1159 | |
856 | req->type = ix; |
1160 | req->type = ix; |
857 | req->data = newSVsv (pathname); |
1161 | req->data = newSVsv (pathname); |
858 | req->dataptr = SvPVbyte_nolen (req->data); |
1162 | req->dataptr = SvPVbyte_nolen (req->data); |
859 | |
1163 | |
860 | send_req (req); |
1164 | REQ_SEND; |
861 | } |
1165 | } |
862 | |
1166 | |
863 | void |
1167 | void |
864 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1168 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
865 | SV * oldpath |
1169 | SV * oldpath |
866 | SV * newpath |
1170 | SV * newpath |
867 | SV * callback |
1171 | SV * callback |
|
|
1172 | ALIAS: |
|
|
1173 | aio_link = REQ_LINK |
|
|
1174 | aio_symlink = REQ_SYMLINK |
|
|
1175 | aio_rename = REQ_RENAME |
868 | CODE: |
1176 | PPCODE: |
869 | { |
1177 | { |
870 | dREQ; |
1178 | dREQ; |
871 | |
1179 | |
872 | req->type = REQ_SYMLINK; |
1180 | req->type = ix; |
873 | req->fh = newSVsv (oldpath); |
1181 | req->fh = newSVsv (oldpath); |
874 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1182 | req->data2ptr = SvPVbyte_nolen (req->fh); |
875 | req->data = newSVsv (newpath); |
1183 | req->data = newSVsv (newpath); |
876 | req->dataptr = SvPVbyte_nolen (req->data); |
1184 | req->dataptr = SvPVbyte_nolen (req->data); |
877 | |
1185 | |
878 | send_req (req); |
1186 | REQ_SEND; |
879 | } |
1187 | } |
880 | |
1188 | |
881 | void |
1189 | void |
|
|
1190 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1191 | double delay |
|
|
1192 | SV * callback |
|
|
1193 | PPCODE: |
|
|
1194 | { |
|
|
1195 | dREQ; |
|
|
1196 | |
|
|
1197 | req->type = REQ_SLEEP; |
|
|
1198 | req->fd = delay < 0. ? 0 : delay; |
|
|
1199 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1200 | |
|
|
1201 | REQ_SEND; |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | void |
|
|
1205 | aio_group (callback=&PL_sv_undef) |
|
|
1206 | SV * callback |
|
|
1207 | PROTOTYPE: ;$ |
|
|
1208 | PPCODE: |
|
|
1209 | { |
|
|
1210 | dREQ; |
|
|
1211 | req->type = REQ_GROUP; |
|
|
1212 | req_send (req); |
|
|
1213 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1214 | } |
|
|
1215 | |
|
|
1216 | void |
882 | flush() |
1217 | flush () |
883 | PROTOTYPE: |
1218 | PROTOTYPE: |
884 | CODE: |
1219 | CODE: |
885 | while (nreqs) |
1220 | while (nreqs) |
886 | { |
1221 | { |
887 | poll_wait (); |
1222 | poll_wait (); |
… | |
… | |
927 | CODE: |
1262 | CODE: |
928 | RETVAL = nreqs; |
1263 | RETVAL = nreqs; |
929 | OUTPUT: |
1264 | OUTPUT: |
930 | RETVAL |
1265 | RETVAL |
931 | |
1266 | |
|
|
1267 | PROTOTYPES: DISABLE |
|
|
1268 | |
|
|
1269 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1270 | |
|
|
1271 | void |
|
|
1272 | cancel (aio_req_ornot req) |
|
|
1273 | PROTOTYPE: |
|
|
1274 | CODE: |
|
|
1275 | req_cancel (req); |
|
|
1276 | |
|
|
1277 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1278 | |
|
|
1279 | void |
|
|
1280 | add (aio_req grp, ...) |
|
|
1281 | PPCODE: |
|
|
1282 | { |
|
|
1283 | int i; |
|
|
1284 | aio_req req; |
|
|
1285 | |
|
|
1286 | if (grp->fd == 2) |
|
|
1287 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1288 | |
|
|
1289 | for (i = 1; i < items; ++i ) |
|
|
1290 | { |
|
|
1291 | if (GIMME_V != G_VOID) |
|
|
1292 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1293 | |
|
|
1294 | req = SvAIO_REQ (ST (i)); |
|
|
1295 | |
|
|
1296 | if (req) |
|
|
1297 | { |
|
|
1298 | ++grp->length; |
|
|
1299 | req->grp = grp; |
|
|
1300 | |
|
|
1301 | req->grp_prev = 0; |
|
|
1302 | req->grp_next = grp->grp_first; |
|
|
1303 | |
|
|
1304 | if (grp->grp_first) |
|
|
1305 | grp->grp_first->grp_prev = req; |
|
|
1306 | |
|
|
1307 | grp->grp_first = req; |
|
|
1308 | } |
|
|
1309 | } |
|
|
1310 | } |
|
|
1311 | |
|
|
1312 | void |
|
|
1313 | result (aio_req grp, ...) |
|
|
1314 | CODE: |
|
|
1315 | { |
|
|
1316 | int i; |
|
|
1317 | AV *av = newAV (); |
|
|
1318 | |
|
|
1319 | for (i = 1; i < items; ++i ) |
|
|
1320 | av_push (av, newSVsv (ST (i))); |
|
|
1321 | |
|
|
1322 | SvREFCNT_dec (grp->data); |
|
|
1323 | grp->data = (SV *)av; |
|
|
1324 | } |
|
|
1325 | |
|
|
1326 | void |
|
|
1327 | lock (aio_req grp) |
|
|
1328 | CODE: |
|
|
1329 | ++grp->length; |
|
|
1330 | |
|
|
1331 | void |
|
|
1332 | unlock (aio_req grp) |
|
|
1333 | CODE: |
|
|
1334 | aio_grp_dec (grp); |
|
|
1335 | |
|
|
1336 | void |
|
|
1337 | feeder_limit (aio_req grp, int limit) |
|
|
1338 | CODE: |
|
|
1339 | grp->fd2 = limit; |
|
|
1340 | aio_grp_feed (grp); |
|
|
1341 | |
|
|
1342 | void |
|
|
1343 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1344 | CODE: |
|
|
1345 | { |
|
|
1346 | SvREFCNT_dec (grp->fh2); |
|
|
1347 | grp->fh2 = newSVsv (callback); |
|
|
1348 | |
|
|
1349 | if (grp->fd2 <= 0) |
|
|
1350 | grp->fd2 = 2; |
|
|
1351 | |
|
|
1352 | aio_grp_feed (grp); |
|
|
1353 | } |
|
|
1354 | |