… | |
… | |
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> |
12 | #include <stddef.h> |
|
|
13 | #include <errno.h> |
|
|
14 | #include <sys/time.h> |
|
|
15 | #include <sys/select.h> |
13 | #include <sys/types.h> |
16 | #include <sys/types.h> |
14 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
15 | #include <limits.h> |
18 | #include <limits.h> |
16 | #include <unistd.h> |
19 | #include <unistd.h> |
17 | #include <fcntl.h> |
20 | #include <fcntl.h> |
… | |
… | |
31 | # else |
34 | # else |
32 | # error sendfile support requested but not available |
35 | # error sendfile support requested but not available |
33 | # endif |
36 | # endif |
34 | #endif |
37 | #endif |
35 | |
38 | |
|
|
39 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
40 | #ifndef NAME_MAX |
|
|
41 | # define NAME_MAX 4096 |
|
|
42 | #endif |
|
|
43 | |
36 | #if __ia64 |
44 | #if __ia64 |
37 | # define STACKSIZE 65536 |
45 | # define STACKSIZE 65536 |
38 | #else |
46 | #else |
39 | # define STACKSIZE 8192 |
47 | # define STACKSIZE 8192 |
40 | #endif |
48 | #endif |
… | |
… | |
44 | REQ_OPEN, REQ_CLOSE, |
52 | REQ_OPEN, REQ_CLOSE, |
45 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
46 | REQ_SENDFILE, |
54 | REQ_SENDFILE, |
47 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
48 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
49 | REQ_UNLINK, REQ_RMDIR, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
50 | REQ_READDIR, |
58 | REQ_READDIR, |
51 | REQ_SYMLINK, |
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_GROUP, REQ_NOP, |
|
|
61 | REQ_SLEEP, |
52 | }; |
62 | }; |
53 | |
63 | |
|
|
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
66 | |
54 | typedef struct aio_cb { |
67 | typedef struct aio_cb |
|
|
68 | { |
55 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
56 | |
70 | |
57 | int type; |
71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
58 | |
72 | |
59 | /* should receive a cleanup, with unions */ |
73 | SV *self; /* the perl counterpart of this request, if any */ |
60 | int fd, fd2; |
74 | |
|
|
75 | SV *data, *callback; |
|
|
76 | SV *fh, *fh2; |
|
|
77 | void *dataptr, *data2ptr; |
|
|
78 | Stat_t *statdata; |
61 | off_t offset; |
79 | off_t offset; |
62 | size_t length; |
80 | size_t length; |
63 | ssize_t result; |
81 | ssize_t result; |
|
|
82 | |
|
|
83 | int type; |
|
|
84 | int fd, fd2; |
|
|
85 | int errorno; |
|
|
86 | STRLEN dataoffset; |
64 | mode_t mode; /* open */ |
87 | mode_t mode; /* open */ |
65 | int errorno; |
88 | unsigned char cancelled; |
66 | SV *data, *callback; |
|
|
67 | SV *fh, *fh2; |
|
|
68 | void *dataptr, *data2ptr; |
|
|
69 | STRLEN dataoffset; |
|
|
70 | |
|
|
71 | Stat_t *statdata; |
|
|
72 | } aio_cb; |
89 | } aio_cb; |
73 | |
90 | |
74 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
|
|
92 | typedef aio_cb *aio_req_ornot; |
75 | |
93 | |
76 | static int started, wanted; |
94 | static int started, wanted; |
77 | static volatile int nreqs; |
95 | static volatile int nreqs; |
78 | static int max_outstanding = 1<<30; |
96 | static int max_outstanding = 1<<30; |
79 | static int respipe [2]; |
97 | static int respipe [2]; |
… | |
… | |
83 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
84 | |
102 | |
85 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
86 | static volatile aio_req ress, rese; /* queue start, queue end */ |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
87 | |
105 | |
|
|
106 | static void req_invoke (aio_req req); |
88 | static void free_req (aio_req req) |
107 | static void req_free (aio_req req); |
89 | { |
|
|
90 | if (req->data) |
|
|
91 | SvREFCNT_dec (req->data); |
|
|
92 | |
108 | |
|
|
109 | /* must be called at most once */ |
|
|
110 | static SV *req_sv (aio_req req, const char *klass) |
|
|
111 | { |
93 | if (req->fh) |
112 | if (!req->self) |
94 | SvREFCNT_dec (req->fh); |
113 | { |
|
|
114 | req->self = (SV *)newHV (); |
|
|
115 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
116 | } |
95 | |
117 | |
96 | 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 && !grp->cancelled) |
|
|
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 | { |
97 | SvREFCNT_dec (req->fh2); |
157 | SvREFCNT_dec (grp->fh2); |
98 | |
158 | grp->fh2 = 0; |
99 | if (req->statdata) |
159 | break; |
100 | Safefree (req->statdata); |
160 | } |
101 | |
161 | } |
102 | if (req->callback) |
|
|
103 | SvREFCNT_dec (req->callback); |
|
|
104 | |
|
|
105 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
106 | free (req->data2ptr); |
|
|
107 | |
|
|
108 | Safefree (req); |
|
|
109 | } |
162 | } |
110 | |
163 | |
111 | static void |
164 | static void aio_grp_dec (aio_req grp) |
112 | 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 () |
113 | { |
180 | { |
114 | if (nreqs && !ress) |
181 | if (nreqs && !ress) |
115 | { |
182 | { |
116 | fd_set rfd; |
183 | fd_set rfd; |
117 | FD_ZERO(&rfd); |
184 | FD_ZERO(&rfd); |
… | |
… | |
119 | |
186 | |
120 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
187 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
121 | } |
188 | } |
122 | } |
189 | } |
123 | |
190 | |
124 | static int |
191 | static void req_invoke (aio_req req) |
125 | 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_NOP: |
|
|
265 | case REQ_SLEEP: |
|
|
266 | break; |
|
|
267 | |
|
|
268 | default: |
|
|
269 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
270 | break; |
|
|
271 | } |
|
|
272 | |
|
|
273 | |
|
|
274 | PUTBACK; |
|
|
275 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
276 | SPAGAIN; |
|
|
277 | |
|
|
278 | FREETMPS; |
|
|
279 | LEAVE; |
|
|
280 | |
|
|
281 | errno = errorno; |
|
|
282 | |
|
|
283 | if (SvTRUE (ERRSV)) |
|
|
284 | { |
|
|
285 | req_free (req); |
|
|
286 | croak (0); |
|
|
287 | } |
|
|
288 | } |
|
|
289 | |
|
|
290 | static void req_free (aio_req req) |
|
|
291 | { |
|
|
292 | if (req->grp) |
|
|
293 | { |
|
|
294 | aio_req grp = req->grp; |
|
|
295 | |
|
|
296 | /* unlink request */ |
|
|
297 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
298 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
299 | |
|
|
300 | if (grp->grp_first == req) |
|
|
301 | grp->grp_first = req->grp_next; |
|
|
302 | |
|
|
303 | aio_grp_dec (grp); |
|
|
304 | } |
|
|
305 | |
|
|
306 | if (req->self) |
|
|
307 | { |
|
|
308 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
309 | SvREFCNT_dec (req->self); |
|
|
310 | } |
|
|
311 | |
|
|
312 | SvREFCNT_dec (req->data); |
|
|
313 | SvREFCNT_dec (req->fh); |
|
|
314 | SvREFCNT_dec (req->fh2); |
|
|
315 | SvREFCNT_dec (req->callback); |
|
|
316 | Safefree (req->statdata); |
|
|
317 | |
|
|
318 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
319 | free (req->data2ptr); |
|
|
320 | |
|
|
321 | Safefree (req); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static void req_cancel (aio_req req) |
|
|
325 | { |
|
|
326 | req->cancelled = 1; |
|
|
327 | |
|
|
328 | if (req->type == REQ_GROUP) |
|
|
329 | { |
|
|
330 | aio_req sub; |
|
|
331 | |
|
|
332 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
333 | req_cancel (sub); |
|
|
334 | } |
|
|
335 | } |
|
|
336 | |
|
|
337 | static int poll_cb () |
126 | { |
338 | { |
127 | dSP; |
339 | dSP; |
128 | int count = 0; |
340 | int count = 0; |
129 | int do_croak = 0; |
341 | int do_croak = 0; |
130 | aio_req req; |
342 | aio_req req; |
… | |
… | |
152 | pthread_mutex_unlock (&reslock); |
364 | pthread_mutex_unlock (&reslock); |
153 | |
365 | |
154 | if (!req) |
366 | if (!req) |
155 | break; |
367 | break; |
156 | |
368 | |
157 | nreqs--; |
369 | --nreqs; |
158 | |
370 | |
159 | if (req->type == REQ_QUIT) |
371 | if (req->type == REQ_QUIT) |
160 | started--; |
372 | started--; |
|
|
373 | else if (req->type == REQ_GROUP && req->length) |
|
|
374 | { |
|
|
375 | req->fd = 1; /* mark request as delayed */ |
|
|
376 | continue; |
|
|
377 | } |
161 | else |
378 | else |
162 | { |
379 | { |
163 | int errorno = errno; |
|
|
164 | errno = req->errorno; |
|
|
165 | |
|
|
166 | if (req->type == REQ_READ) |
380 | if (req->type == REQ_READ) |
167 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
381 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
168 | |
382 | |
169 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
383 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
170 | SvREADONLY_off (req->data); |
384 | SvREADONLY_off (req->data); |
… | |
… | |
174 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
388 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
175 | PL_laststatval = req->result; |
389 | PL_laststatval = req->result; |
176 | PL_statcache = *(req->statdata); |
390 | PL_statcache = *(req->statdata); |
177 | } |
391 | } |
178 | |
392 | |
179 | ENTER; |
393 | req_invoke (req); |
180 | PUSHMARK (SP); |
|
|
181 | |
394 | |
182 | if (req->type == REQ_READDIR) |
|
|
183 | { |
|
|
184 | SV *rv = &PL_sv_undef; |
|
|
185 | |
|
|
186 | if (req->result >= 0) |
|
|
187 | { |
|
|
188 | char *buf = req->data2ptr; |
|
|
189 | AV *av = newAV (); |
|
|
190 | |
|
|
191 | while (req->result) |
|
|
192 | { |
|
|
193 | SV *sv = newSVpv (buf, 0); |
|
|
194 | |
|
|
195 | av_push (av, sv); |
|
|
196 | buf += SvCUR (sv) + 1; |
|
|
197 | req->result--; |
|
|
198 | } |
|
|
199 | |
|
|
200 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
201 | } |
|
|
202 | |
|
|
203 | XPUSHs (rv); |
|
|
204 | } |
|
|
205 | else |
|
|
206 | { |
|
|
207 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
208 | |
|
|
209 | if (req->type == REQ_OPEN) |
|
|
210 | { |
|
|
211 | /* convert fd to fh */ |
|
|
212 | SV *fh; |
|
|
213 | |
|
|
214 | PUTBACK; |
|
|
215 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
216 | SPAGAIN; |
|
|
217 | |
|
|
218 | fh = SvREFCNT_inc (POPs); |
|
|
219 | |
|
|
220 | PUSHMARK (SP); |
|
|
221 | XPUSHs (sv_2mortal (fh)); |
|
|
222 | } |
|
|
223 | } |
|
|
224 | |
|
|
225 | if (SvOK (req->callback)) |
|
|
226 | { |
|
|
227 | PUTBACK; |
|
|
228 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
229 | SPAGAIN; |
|
|
230 | |
|
|
231 | if (SvTRUE (ERRSV)) |
|
|
232 | { |
|
|
233 | free_req (req); |
|
|
234 | croak (0); |
|
|
235 | } |
|
|
236 | } |
|
|
237 | |
|
|
238 | LEAVE; |
|
|
239 | |
|
|
240 | errno = errorno; |
|
|
241 | count++; |
395 | count++; |
242 | } |
396 | } |
243 | |
397 | |
244 | free_req (req); |
398 | req_free (req); |
245 | } |
399 | } |
246 | |
400 | |
247 | return count; |
401 | return count; |
248 | } |
402 | } |
249 | |
403 | |
250 | static void *aio_proc(void *arg); |
404 | static void *aio_proc(void *arg); |
251 | |
405 | |
252 | static void |
|
|
253 | start_thread (void) |
406 | static void start_thread (void) |
254 | { |
407 | { |
255 | sigset_t fullsigset, oldsigset; |
408 | sigset_t fullsigset, oldsigset; |
256 | pthread_t tid; |
409 | pthread_t tid; |
257 | pthread_attr_t attr; |
410 | pthread_attr_t attr; |
258 | |
411 | |
… | |
… | |
267 | started++; |
420 | started++; |
268 | |
421 | |
269 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
422 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
270 | } |
423 | } |
271 | |
424 | |
272 | static void |
425 | static void req_send (aio_req req) |
273 | send_req (aio_req req) |
|
|
274 | { |
426 | { |
275 | while (started < wanted && nreqs >= started) |
427 | while (started < wanted && nreqs >= started) |
276 | start_thread (); |
428 | start_thread (); |
277 | |
429 | |
278 | nreqs++; |
430 | ++nreqs; |
279 | |
431 | |
280 | pthread_mutex_lock (&reqlock); |
432 | pthread_mutex_lock (&reqlock); |
281 | |
433 | |
282 | req->next = 0; |
434 | req->next = 0; |
283 | |
435 | |
… | |
… | |
302 | |
454 | |
303 | poll_wait (); |
455 | poll_wait (); |
304 | } |
456 | } |
305 | } |
457 | } |
306 | |
458 | |
307 | static void |
459 | static void end_thread (void) |
308 | end_thread (void) |
|
|
309 | { |
460 | { |
310 | aio_req req; |
461 | aio_req req; |
311 | Newz (0, req, 1, aio_cb); |
462 | Newz (0, req, 1, aio_cb); |
312 | req->type = REQ_QUIT; |
463 | req->type = REQ_QUIT; |
313 | |
464 | |
314 | send_req (req); |
465 | req_send (req); |
315 | } |
466 | } |
316 | |
467 | |
317 | static void min_parallel (int nthreads) |
468 | static void min_parallel (int nthreads) |
318 | { |
469 | { |
319 | if (wanted < nthreads) |
470 | if (wanted < nthreads) |
… | |
… | |
364 | * normal read/write by using a mutex. slows down execution a lot, |
515 | * normal read/write by using a mutex. slows down execution a lot, |
365 | * but that's your problem, not mine. |
516 | * but that's your problem, not mine. |
366 | */ |
517 | */ |
367 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
518 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
368 | |
519 | |
369 | static ssize_t |
520 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
370 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
371 | { |
521 | { |
372 | ssize_t res; |
522 | ssize_t res; |
373 | off_t ooffset; |
523 | off_t ooffset; |
374 | |
524 | |
375 | pthread_mutex_lock (&preadwritelock); |
525 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
380 | pthread_mutex_unlock (&preadwritelock); |
530 | pthread_mutex_unlock (&preadwritelock); |
381 | |
531 | |
382 | return res; |
532 | return res; |
383 | } |
533 | } |
384 | |
534 | |
385 | static ssize_t |
|
|
386 | pwrite (int fd, void *buf, size_t count, off_t offset) |
535 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
387 | { |
536 | { |
388 | ssize_t res; |
537 | ssize_t res; |
389 | off_t ooffset; |
538 | off_t ooffset; |
390 | |
539 | |
391 | pthread_mutex_lock (&preadwritelock); |
540 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
404 | #endif |
553 | #endif |
405 | |
554 | |
406 | #if !HAVE_READAHEAD |
555 | #if !HAVE_READAHEAD |
407 | # define readahead aio_readahead |
556 | # define readahead aio_readahead |
408 | |
557 | |
409 | static ssize_t |
|
|
410 | readahead (int fd, off_t offset, size_t count) |
558 | static ssize_t readahead (int fd, off_t offset, size_t count) |
411 | { |
559 | { |
412 | char readahead_buf[4096]; |
560 | char readahead_buf[4096]; |
413 | |
561 | |
414 | while (count > 0) |
562 | while (count > 0) |
415 | { |
563 | { |
… | |
… | |
427 | #if !HAVE_READDIR_R |
575 | #if !HAVE_READDIR_R |
428 | # define readdir_r aio_readdir_r |
576 | # define readdir_r aio_readdir_r |
429 | |
577 | |
430 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
578 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
431 | |
579 | |
432 | static int |
|
|
433 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
580 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
434 | { |
581 | { |
435 | struct dirent *e; |
582 | struct dirent *e; |
436 | int errorno; |
583 | int errorno; |
437 | |
584 | |
438 | pthread_mutex_lock (&readdirlock); |
585 | pthread_mutex_lock (&readdirlock); |
… | |
… | |
454 | return e ? 0 : -1; |
601 | return e ? 0 : -1; |
455 | } |
602 | } |
456 | #endif |
603 | #endif |
457 | |
604 | |
458 | /* sendfile always needs emulation */ |
605 | /* sendfile always needs emulation */ |
459 | static ssize_t |
|
|
460 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
606 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
461 | { |
607 | { |
462 | ssize_t res; |
608 | ssize_t res; |
463 | |
609 | |
464 | if (!count) |
610 | if (!count) |
465 | return 0; |
611 | return 0; |
… | |
… | |
547 | |
693 | |
548 | return res; |
694 | return res; |
549 | } |
695 | } |
550 | |
696 | |
551 | /* read a full directory */ |
697 | /* read a full directory */ |
552 | static int |
|
|
553 | scandir_ (const char *path, void **namesp) |
698 | static int scandir_ (const char *path, void **namesp) |
554 | { |
699 | { |
555 | DIR *dirp = opendir (path); |
700 | DIR *dirp = opendir (path); |
556 | union |
701 | union |
557 | { |
702 | { |
558 | struct dirent d; |
703 | struct dirent d; |
… | |
… | |
612 | return res; |
757 | return res; |
613 | } |
758 | } |
614 | |
759 | |
615 | /*****************************************************************************/ |
760 | /*****************************************************************************/ |
616 | |
761 | |
617 | static void * |
|
|
618 | aio_proc (void *thr_arg) |
762 | static void *aio_proc (void *thr_arg) |
619 | { |
763 | { |
620 | aio_req req; |
764 | aio_req req; |
621 | int type; |
765 | int type; |
622 | |
766 | |
623 | do |
767 | do |
… | |
… | |
642 | |
786 | |
643 | pthread_mutex_unlock (&reqlock); |
787 | pthread_mutex_unlock (&reqlock); |
644 | |
788 | |
645 | errno = 0; /* strictly unnecessary */ |
789 | errno = 0; /* strictly unnecessary */ |
646 | |
790 | |
647 | type = req->type; |
791 | if (!req->cancelled) |
648 | |
792 | switch (type = req->type) /* remember type for QUIT check */ |
649 | switch (type) |
|
|
650 | { |
793 | { |
651 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
794 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
652 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
795 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
653 | |
796 | |
654 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
797 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
655 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
798 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
656 | |
799 | |
657 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
800 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
658 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
801 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
659 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
802 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
660 | |
803 | |
661 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
804 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
662 | case REQ_CLOSE: req->result = close (req->fd); break; |
805 | case REQ_CLOSE: req->result = close (req->fd); break; |
663 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
806 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
664 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
807 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
808 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
809 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
665 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
810 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
666 | |
811 | |
667 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
812 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
668 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
813 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
669 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
814 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
670 | |
815 | |
|
|
816 | case REQ_SLEEP: |
|
|
817 | { |
|
|
818 | struct timeval tv; |
|
|
819 | |
|
|
820 | tv.tv_sec = req->fd; |
|
|
821 | tv.tv_usec = req->fd2; |
|
|
822 | |
|
|
823 | req->result = select (0, 0, 0, 0, &tv); |
|
|
824 | } |
|
|
825 | |
|
|
826 | case REQ_GROUP: |
|
|
827 | case REQ_NOP: |
671 | case REQ_QUIT: |
828 | case REQ_QUIT: |
672 | break; |
829 | break; |
673 | |
830 | |
674 | default: |
831 | default: |
675 | req->result = ENOSYS; |
832 | req->result = ENOSYS; |
676 | break; |
833 | break; |
677 | } |
834 | } |
678 | |
835 | |
679 | req->errorno = errno; |
836 | req->errorno = errno; |
680 | |
837 | |
681 | pthread_mutex_lock (&reslock); |
838 | pthread_mutex_lock (&reslock); |
682 | |
839 | |
… | |
… | |
736 | |
893 | |
737 | while (reqs) |
894 | while (reqs) |
738 | { |
895 | { |
739 | prv = reqs; |
896 | prv = reqs; |
740 | reqs = prv->next; |
897 | reqs = prv->next; |
741 | free_req (prv); |
898 | req_free (prv); |
742 | } |
899 | } |
743 | |
900 | |
744 | reqs = reqe = 0; |
901 | reqs = reqe = 0; |
745 | |
902 | |
746 | while (ress) |
903 | while (ress) |
747 | { |
904 | { |
748 | prv = ress; |
905 | prv = ress; |
749 | ress = prv->next; |
906 | ress = prv->next; |
750 | free_req (prv); |
907 | req_free (prv); |
751 | } |
908 | } |
752 | |
909 | |
753 | ress = rese = 0; |
910 | ress = rese = 0; |
754 | |
911 | |
755 | close (respipe [0]); |
912 | close (respipe [0]); |
… | |
… | |
761 | |
918 | |
762 | #define dREQ \ |
919 | #define dREQ \ |
763 | aio_req req; \ |
920 | aio_req req; \ |
764 | \ |
921 | \ |
765 | if (SvOK (callback) && !SvROK (callback)) \ |
922 | if (SvOK (callback) && !SvROK (callback)) \ |
766 | croak ("clalback must be undef or of reference type"); \ |
923 | croak ("callback must be undef or of reference type"); \ |
767 | \ |
924 | \ |
768 | Newz (0, req, 1, aio_cb); \ |
925 | Newz (0, req, 1, aio_cb); \ |
769 | if (!req) \ |
926 | if (!req) \ |
770 | croak ("out of memory during aio_req allocation"); \ |
927 | croak ("out of memory during aio_req allocation"); \ |
771 | \ |
928 | \ |
772 | req->callback = newSVsv (callback); |
929 | req->callback = newSVsv (callback) |
|
|
930 | |
|
|
931 | #define REQ_SEND \ |
|
|
932 | req_send (req); \ |
|
|
933 | \ |
|
|
934 | if (GIMME_V != G_VOID) \ |
|
|
935 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
773 | |
936 | |
774 | MODULE = IO::AIO PACKAGE = IO::AIO |
937 | MODULE = IO::AIO PACKAGE = IO::AIO |
775 | |
938 | |
776 | PROTOTYPES: ENABLE |
939 | PROTOTYPES: ENABLE |
777 | |
940 | |
778 | BOOT: |
941 | BOOT: |
779 | { |
942 | { |
|
|
943 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
944 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
945 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
946 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
947 | |
780 | create_pipe (); |
948 | create_pipe (); |
781 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
949 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
782 | } |
950 | } |
783 | |
951 | |
784 | void |
952 | void |
785 | min_parallel(nthreads) |
953 | min_parallel (nthreads) |
786 | int nthreads |
954 | int nthreads |
787 | PROTOTYPE: $ |
955 | PROTOTYPE: $ |
788 | |
956 | |
789 | void |
957 | void |
790 | max_parallel(nthreads) |
958 | max_parallel (nthreads) |
791 | int nthreads |
959 | int nthreads |
792 | PROTOTYPE: $ |
960 | PROTOTYPE: $ |
793 | |
961 | |
794 | int |
962 | int |
795 | max_outstanding(nreqs) |
963 | max_outstanding (nreqs) |
796 | int nreqs |
964 | int nreqs |
797 | PROTOTYPE: $ |
965 | PROTOTYPE: $ |
798 | CODE: |
966 | CODE: |
799 | RETVAL = max_outstanding; |
967 | RETVAL = max_outstanding; |
800 | max_outstanding = nreqs; |
968 | max_outstanding = nreqs; |
801 | |
969 | |
802 | void |
970 | void |
803 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
971 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
804 | SV * pathname |
972 | SV * pathname |
805 | int flags |
973 | int flags |
806 | int mode |
974 | int mode |
807 | SV * callback |
975 | SV * callback |
808 | PROTOTYPE: $$$;$ |
976 | PROTOTYPE: $$$;$ |
809 | CODE: |
977 | PPCODE: |
810 | { |
978 | { |
811 | dREQ; |
979 | dREQ; |
812 | |
980 | |
813 | req->type = REQ_OPEN; |
981 | req->type = REQ_OPEN; |
814 | req->data = newSVsv (pathname); |
982 | req->data = newSVsv (pathname); |
815 | req->dataptr = SvPVbyte_nolen (req->data); |
983 | req->dataptr = SvPVbyte_nolen (req->data); |
816 | req->fd = flags; |
984 | req->fd = flags; |
817 | req->mode = mode; |
985 | req->mode = mode; |
818 | |
986 | |
819 | send_req (req); |
987 | REQ_SEND; |
820 | } |
988 | } |
821 | |
989 | |
822 | void |
990 | void |
823 | aio_close(fh,callback=&PL_sv_undef) |
991 | aio_close (fh,callback=&PL_sv_undef) |
824 | SV * fh |
992 | SV * fh |
825 | SV * callback |
993 | SV * callback |
826 | PROTOTYPE: $;$ |
994 | PROTOTYPE: $;$ |
827 | ALIAS: |
995 | ALIAS: |
828 | aio_close = REQ_CLOSE |
996 | aio_close = REQ_CLOSE |
829 | aio_fsync = REQ_FSYNC |
997 | aio_fsync = REQ_FSYNC |
830 | aio_fdatasync = REQ_FDATASYNC |
998 | aio_fdatasync = REQ_FDATASYNC |
831 | CODE: |
999 | PPCODE: |
832 | { |
1000 | { |
833 | dREQ; |
1001 | dREQ; |
834 | |
1002 | |
835 | req->type = ix; |
1003 | req->type = ix; |
836 | req->fh = newSVsv (fh); |
1004 | req->fh = newSVsv (fh); |
837 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1005 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
838 | |
1006 | |
839 | send_req (req); |
1007 | REQ_SEND (req); |
840 | } |
1008 | } |
841 | |
1009 | |
842 | void |
1010 | void |
843 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1011 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
844 | SV * fh |
1012 | SV * fh |
845 | UV offset |
1013 | UV offset |
846 | UV length |
1014 | UV length |
847 | SV * data |
1015 | SV * data |
848 | UV dataoffset |
1016 | UV dataoffset |
849 | SV * callback |
1017 | SV * callback |
850 | ALIAS: |
1018 | ALIAS: |
851 | aio_read = REQ_READ |
1019 | aio_read = REQ_READ |
852 | aio_write = REQ_WRITE |
1020 | aio_write = REQ_WRITE |
853 | PROTOTYPE: $$$$$;$ |
1021 | PROTOTYPE: $$$$$;$ |
854 | CODE: |
1022 | PPCODE: |
855 | { |
1023 | { |
856 | aio_req req; |
1024 | aio_req req; |
857 | STRLEN svlen; |
1025 | STRLEN svlen; |
858 | char *svptr = SvPVbyte (data, svlen); |
1026 | char *svptr = SvPVbyte (data, svlen); |
859 | |
1027 | |
… | |
… | |
897 | { |
1065 | { |
898 | SvREADONLY_on (data); |
1066 | SvREADONLY_on (data); |
899 | req->data2ptr = (void *)data; |
1067 | req->data2ptr = (void *)data; |
900 | } |
1068 | } |
901 | |
1069 | |
902 | send_req (req); |
1070 | REQ_SEND; |
903 | } |
1071 | } |
904 | } |
1072 | } |
905 | |
1073 | |
906 | void |
1074 | void |
907 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1075 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
908 | SV * out_fh |
1076 | SV * out_fh |
909 | SV * in_fh |
1077 | SV * in_fh |
910 | UV in_offset |
1078 | UV in_offset |
911 | UV length |
1079 | UV length |
912 | SV * callback |
1080 | SV * callback |
913 | PROTOTYPE: $$$$;$ |
1081 | PROTOTYPE: $$$$;$ |
914 | CODE: |
1082 | PPCODE: |
915 | { |
1083 | { |
916 | dREQ; |
1084 | dREQ; |
917 | |
1085 | |
918 | req->type = REQ_SENDFILE; |
1086 | req->type = REQ_SENDFILE; |
919 | req->fh = newSVsv (out_fh); |
1087 | req->fh = newSVsv (out_fh); |
… | |
… | |
921 | req->fh2 = newSVsv (in_fh); |
1089 | req->fh2 = newSVsv (in_fh); |
922 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1090 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
923 | req->offset = in_offset; |
1091 | req->offset = in_offset; |
924 | req->length = length; |
1092 | req->length = length; |
925 | |
1093 | |
926 | send_req (req); |
1094 | REQ_SEND; |
927 | } |
1095 | } |
928 | |
1096 | |
929 | void |
1097 | void |
930 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1098 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
931 | SV * fh |
1099 | SV * fh |
932 | UV offset |
1100 | UV offset |
933 | IV length |
1101 | IV length |
934 | SV * callback |
1102 | SV * callback |
935 | PROTOTYPE: $$$;$ |
1103 | PROTOTYPE: $$$;$ |
936 | CODE: |
1104 | PPCODE: |
937 | { |
1105 | { |
938 | dREQ; |
1106 | dREQ; |
939 | |
1107 | |
940 | req->type = REQ_READAHEAD; |
1108 | req->type = REQ_READAHEAD; |
941 | req->fh = newSVsv (fh); |
1109 | req->fh = newSVsv (fh); |
942 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1110 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
943 | req->offset = offset; |
1111 | req->offset = offset; |
944 | req->length = length; |
1112 | req->length = length; |
945 | |
1113 | |
946 | send_req (req); |
1114 | REQ_SEND; |
947 | } |
1115 | } |
948 | |
1116 | |
949 | void |
1117 | void |
950 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1118 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
951 | SV * fh_or_path |
1119 | SV * fh_or_path |
952 | SV * callback |
1120 | SV * callback |
953 | ALIAS: |
1121 | ALIAS: |
954 | aio_stat = REQ_STAT |
1122 | aio_stat = REQ_STAT |
955 | aio_lstat = REQ_LSTAT |
1123 | aio_lstat = REQ_LSTAT |
956 | CODE: |
1124 | PPCODE: |
957 | { |
1125 | { |
958 | dREQ; |
1126 | dREQ; |
959 | |
1127 | |
960 | New (0, req->statdata, 1, Stat_t); |
1128 | New (0, req->statdata, 1, Stat_t); |
961 | if (!req->statdata) |
1129 | if (!req->statdata) |
962 | { |
1130 | { |
963 | free_req (req); |
1131 | req_free (req); |
964 | croak ("out of memory during aio_req->statdata allocation"); |
1132 | croak ("out of memory during aio_req->statdata allocation"); |
965 | } |
1133 | } |
966 | |
1134 | |
967 | if (SvPOK (fh_or_path)) |
1135 | if (SvPOK (fh_or_path)) |
968 | { |
1136 | { |
… | |
… | |
975 | req->type = REQ_FSTAT; |
1143 | req->type = REQ_FSTAT; |
976 | req->fh = newSVsv (fh_or_path); |
1144 | req->fh = newSVsv (fh_or_path); |
977 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1145 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
978 | } |
1146 | } |
979 | |
1147 | |
980 | send_req (req); |
1148 | REQ_SEND; |
981 | } |
1149 | } |
982 | |
1150 | |
983 | void |
1151 | void |
984 | aio_unlink(pathname,callback=&PL_sv_undef) |
1152 | aio_unlink (pathname,callback=&PL_sv_undef) |
985 | SV * pathname |
1153 | SV * pathname |
986 | SV * callback |
1154 | SV * callback |
987 | ALIAS: |
1155 | ALIAS: |
988 | aio_unlink = REQ_UNLINK |
1156 | aio_unlink = REQ_UNLINK |
989 | aio_rmdir = REQ_RMDIR |
1157 | aio_rmdir = REQ_RMDIR |
|
|
1158 | aio_readdir = REQ_READDIR |
990 | CODE: |
1159 | PPCODE: |
991 | { |
1160 | { |
992 | dREQ; |
1161 | dREQ; |
993 | |
1162 | |
994 | req->type = ix; |
1163 | req->type = ix; |
995 | req->data = newSVsv (pathname); |
1164 | req->data = newSVsv (pathname); |
996 | req->dataptr = SvPVbyte_nolen (req->data); |
1165 | req->dataptr = SvPVbyte_nolen (req->data); |
997 | |
1166 | |
998 | send_req (req); |
1167 | REQ_SEND; |
999 | } |
1168 | } |
1000 | |
1169 | |
1001 | void |
1170 | void |
1002 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1171 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1003 | SV * oldpath |
1172 | SV * oldpath |
1004 | SV * newpath |
1173 | SV * newpath |
1005 | SV * callback |
1174 | SV * callback |
|
|
1175 | ALIAS: |
|
|
1176 | aio_link = REQ_LINK |
|
|
1177 | aio_symlink = REQ_SYMLINK |
|
|
1178 | aio_rename = REQ_RENAME |
1006 | CODE: |
1179 | PPCODE: |
1007 | { |
1180 | { |
1008 | dREQ; |
1181 | dREQ; |
1009 | |
1182 | |
1010 | req->type = REQ_SYMLINK; |
1183 | req->type = ix; |
1011 | req->fh = newSVsv (oldpath); |
1184 | req->fh = newSVsv (oldpath); |
1012 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1185 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1013 | req->data = newSVsv (newpath); |
1186 | req->data = newSVsv (newpath); |
1014 | req->dataptr = SvPVbyte_nolen (req->data); |
1187 | req->dataptr = SvPVbyte_nolen (req->data); |
1015 | |
1188 | |
1016 | send_req (req); |
1189 | REQ_SEND; |
1017 | } |
1190 | } |
1018 | |
1191 | |
1019 | void |
1192 | void |
1020 | aio_readdir(pathname,callback=&PL_sv_undef) |
1193 | aio_sleep (delay,callback=&PL_sv_undef) |
1021 | SV * pathname |
1194 | double delay |
1022 | SV * callback |
1195 | SV * callback |
1023 | CODE: |
1196 | PPCODE: |
1024 | { |
1197 | { |
1025 | dREQ; |
1198 | dREQ; |
1026 | |
1199 | |
1027 | req->type = REQ_READDIR; |
1200 | req->type = REQ_SLEEP; |
1028 | req->data = newSVsv (pathname); |
1201 | req->fd = delay < 0. ? 0 : delay; |
1029 | req->dataptr = SvPVbyte_nolen (req->data); |
1202 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1030 | |
|
|
1031 | send_req (req); |
|
|
1032 | } |
|
|
1033 | |
1203 | |
|
|
1204 | REQ_SEND; |
|
|
1205 | } |
|
|
1206 | |
1034 | void |
1207 | void |
|
|
1208 | aio_group (callback=&PL_sv_undef) |
|
|
1209 | SV * callback |
|
|
1210 | PROTOTYPE: ;$ |
|
|
1211 | PPCODE: |
|
|
1212 | { |
|
|
1213 | dREQ; |
|
|
1214 | req->type = REQ_GROUP; |
|
|
1215 | req_send (req); |
|
|
1216 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1217 | } |
|
|
1218 | |
|
|
1219 | void |
|
|
1220 | aio_nop (callback=&PL_sv_undef) |
|
|
1221 | SV * callback |
|
|
1222 | PPCODE: |
|
|
1223 | { |
|
|
1224 | dREQ; |
|
|
1225 | |
|
|
1226 | req->type = REQ_NOP; |
|
|
1227 | |
|
|
1228 | REQ_SEND; |
|
|
1229 | } |
|
|
1230 | |
|
|
1231 | void |
1035 | flush() |
1232 | flush () |
1036 | PROTOTYPE: |
1233 | PROTOTYPE: |
1037 | CODE: |
1234 | CODE: |
1038 | while (nreqs) |
1235 | while (nreqs) |
1039 | { |
1236 | { |
1040 | poll_wait (); |
1237 | poll_wait (); |
… | |
… | |
1080 | CODE: |
1277 | CODE: |
1081 | RETVAL = nreqs; |
1278 | RETVAL = nreqs; |
1082 | OUTPUT: |
1279 | OUTPUT: |
1083 | RETVAL |
1280 | RETVAL |
1084 | |
1281 | |
|
|
1282 | PROTOTYPES: DISABLE |
|
|
1283 | |
|
|
1284 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1285 | |
|
|
1286 | void |
|
|
1287 | cancel (aio_req_ornot req) |
|
|
1288 | PROTOTYPE: |
|
|
1289 | CODE: |
|
|
1290 | req_cancel (req); |
|
|
1291 | |
|
|
1292 | void |
|
|
1293 | cb (aio_req req, SV *callback=&PL_sv_undef) |
|
|
1294 | CODE: |
|
|
1295 | SvREFCNT_dec (req->callback); |
|
|
1296 | req->callback = newSVsv (callback); |
|
|
1297 | |
|
|
1298 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1299 | |
|
|
1300 | void |
|
|
1301 | add (aio_req grp, ...) |
|
|
1302 | PPCODE: |
|
|
1303 | { |
|
|
1304 | int i; |
|
|
1305 | aio_req req; |
|
|
1306 | |
|
|
1307 | if (grp->fd == 2) |
|
|
1308 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1309 | |
|
|
1310 | for (i = 1; i < items; ++i ) |
|
|
1311 | { |
|
|
1312 | if (GIMME_V != G_VOID) |
|
|
1313 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1314 | |
|
|
1315 | req = SvAIO_REQ (ST (i)); |
|
|
1316 | |
|
|
1317 | if (req) |
|
|
1318 | { |
|
|
1319 | ++grp->length; |
|
|
1320 | req->grp = grp; |
|
|
1321 | |
|
|
1322 | req->grp_prev = 0; |
|
|
1323 | req->grp_next = grp->grp_first; |
|
|
1324 | |
|
|
1325 | if (grp->grp_first) |
|
|
1326 | grp->grp_first->grp_prev = req; |
|
|
1327 | |
|
|
1328 | grp->grp_first = req; |
|
|
1329 | } |
|
|
1330 | } |
|
|
1331 | } |
|
|
1332 | |
|
|
1333 | void |
|
|
1334 | result (aio_req grp, ...) |
|
|
1335 | CODE: |
|
|
1336 | { |
|
|
1337 | int i; |
|
|
1338 | AV *av = newAV (); |
|
|
1339 | |
|
|
1340 | for (i = 1; i < items; ++i ) |
|
|
1341 | av_push (av, newSVsv (ST (i))); |
|
|
1342 | |
|
|
1343 | SvREFCNT_dec (grp->data); |
|
|
1344 | grp->data = (SV *)av; |
|
|
1345 | } |
|
|
1346 | |
|
|
1347 | void |
|
|
1348 | feed_limit (aio_req grp, int limit) |
|
|
1349 | CODE: |
|
|
1350 | grp->fd2 = limit; |
|
|
1351 | aio_grp_feed (grp); |
|
|
1352 | |
|
|
1353 | void |
|
|
1354 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1355 | CODE: |
|
|
1356 | { |
|
|
1357 | SvREFCNT_dec (grp->fh2); |
|
|
1358 | grp->fh2 = newSVsv (callback); |
|
|
1359 | |
|
|
1360 | if (grp->fd2 <= 0) |
|
|
1361 | grp->fd2 = 2; |
|
|
1362 | |
|
|
1363 | aio_grp_feed (grp); |
|
|
1364 | } |
|
|
1365 | |