… | |
… | |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
58 | REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_GROUP, REQ_NOP, |
60 | REQ_SLEEP, |
61 | REQ_SLEEP, |
61 | REQ_GROUP, |
|
|
62 | }; |
62 | }; |
63 | |
63 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
66 | |
67 | typedef struct aio_cb |
67 | typedef struct aio_cb |
68 | { |
68 | { |
69 | struct aio_cb *grp, *grp_prev, *grp_next; |
|
|
70 | |
|
|
71 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
72 | |
|
|
73 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
74 | |
70 | |
75 | SV *data, *callback; |
71 | SV *data, *callback; |
76 | SV *fh, *fh2; |
72 | SV *fh, *fh2; |
77 | void *dataptr, *data2ptr; |
73 | void *dataptr, *data2ptr; |
78 | Stat_t *statdata; |
74 | Stat_t *statdata; |
79 | off_t offset; |
75 | off_t offset; |
80 | size_t length; |
76 | size_t length; |
81 | ssize_t result; |
77 | ssize_t result; |
82 | |
78 | |
|
|
79 | STRLEN dataoffset; |
83 | int type; |
80 | int type; |
84 | int fd, fd2; |
81 | int fd, fd2; |
85 | int errorno; |
82 | int errorno; |
86 | STRLEN dataoffset; |
|
|
87 | mode_t mode; /* open */ |
83 | mode_t mode; /* open */ |
|
|
84 | |
88 | unsigned char cancelled; |
85 | unsigned char flags; |
|
|
86 | unsigned char pri; |
|
|
87 | |
|
|
88 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
89 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
89 | } aio_cb; |
90 | } aio_cb; |
|
|
91 | |
|
|
92 | enum { |
|
|
93 | FLAG_CANCELLED = 0x01, |
|
|
94 | }; |
90 | |
95 | |
91 | typedef aio_cb *aio_req; |
96 | typedef aio_cb *aio_req; |
92 | typedef aio_cb *aio_req_ornot; |
97 | typedef aio_cb *aio_req_ornot; |
93 | typedef aio_cb *aio_group; |
98 | |
|
|
99 | enum { |
|
|
100 | PRI_MIN = -4, |
|
|
101 | PRI_MAX = 4, |
|
|
102 | |
|
|
103 | DEFAULT_PRI = 0, |
|
|
104 | PRI_BIAS = -PRI_MIN, |
|
|
105 | }; |
|
|
106 | |
|
|
107 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
94 | |
108 | |
95 | static int started, wanted; |
109 | static int started, wanted; |
96 | static volatile int nreqs; |
110 | static volatile int nreqs; |
97 | static int max_outstanding = 1<<30; |
111 | static int max_outstanding = 1<<30; |
98 | static int respipe [2]; |
112 | static int respipe [2]; |
… | |
… | |
102 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
116 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
103 | |
117 | |
104 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
118 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
105 | static volatile aio_req ress, rese; /* queue start, queue end */ |
119 | static volatile aio_req ress, rese; /* queue start, queue end */ |
106 | |
120 | |
|
|
121 | static void req_invoke (aio_req req); |
107 | static void req_free (aio_req req); |
122 | static void req_free (aio_req req); |
108 | |
123 | |
109 | /* must be called at most once */ |
124 | /* must be called at most once */ |
110 | static SV *req_sv (aio_req req, const char *klass) |
125 | static SV *req_sv (aio_req req, const char *klass) |
111 | { |
126 | { |
|
|
127 | if (!req->self) |
|
|
128 | { |
112 | req->self = (SV *)newHV (); |
129 | req->self = (SV *)newHV (); |
113 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
130 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
131 | } |
114 | |
132 | |
115 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
133 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
116 | } |
134 | } |
117 | |
135 | |
118 | static aio_req SvAIO_REQ (SV *sv) |
136 | static aio_req SvAIO_REQ (SV *sv) |
119 | { |
137 | { |
|
|
138 | MAGIC *mg; |
|
|
139 | |
120 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
140 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
121 | croak ("object of class " AIO_REQ_KLASS " expected"); |
141 | croak ("object of class " AIO_REQ_KLASS " expected"); |
122 | |
142 | |
123 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
143 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
124 | |
144 | |
125 | return mg ? (aio_req)mg->mg_ptr : 0; |
145 | return mg ? (aio_req)mg->mg_ptr : 0; |
126 | } |
146 | } |
127 | |
147 | |
|
|
148 | static void aio_grp_feed (aio_req grp) |
|
|
149 | { |
|
|
150 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
151 | { |
|
|
152 | int old_len = grp->length; |
|
|
153 | |
|
|
154 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
155 | { |
|
|
156 | dSP; |
|
|
157 | |
|
|
158 | ENTER; |
|
|
159 | SAVETMPS; |
|
|
160 | PUSHMARK (SP); |
|
|
161 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
162 | PUTBACK; |
|
|
163 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
|
164 | SPAGAIN; |
|
|
165 | FREETMPS; |
|
|
166 | LEAVE; |
|
|
167 | } |
|
|
168 | |
|
|
169 | /* stop if no progress has been made */ |
|
|
170 | if (old_len == grp->length) |
|
|
171 | { |
|
|
172 | SvREFCNT_dec (grp->fh2); |
|
|
173 | grp->fh2 = 0; |
|
|
174 | break; |
|
|
175 | } |
|
|
176 | } |
|
|
177 | } |
|
|
178 | |
|
|
179 | static void aio_grp_dec (aio_req grp) |
|
|
180 | { |
|
|
181 | --grp->length; |
|
|
182 | |
|
|
183 | /* call feeder, if applicable */ |
|
|
184 | aio_grp_feed (grp); |
|
|
185 | |
|
|
186 | /* finish, if done */ |
|
|
187 | if (!grp->length && grp->fd) |
|
|
188 | { |
|
|
189 | req_invoke (grp); |
|
|
190 | req_free (grp); |
|
|
191 | } |
|
|
192 | } |
|
|
193 | |
128 | static void poll_wait () |
194 | static void poll_wait () |
129 | { |
195 | { |
130 | if (nreqs && !ress) |
|
|
131 | { |
|
|
132 | fd_set rfd; |
196 | fd_set rfd; |
|
|
197 | |
|
|
198 | while (nreqs) |
|
|
199 | { |
|
|
200 | aio_req req; |
|
|
201 | pthread_mutex_lock (&reslock); |
|
|
202 | req = ress; |
|
|
203 | pthread_mutex_unlock (&reslock); |
|
|
204 | |
|
|
205 | if (req) |
|
|
206 | return; |
|
|
207 | |
133 | FD_ZERO(&rfd); |
208 | FD_ZERO(&rfd); |
134 | FD_SET(respipe [0], &rfd); |
209 | FD_SET(respipe [0], &rfd); |
135 | |
210 | |
136 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
211 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
137 | } |
212 | } |
… | |
… | |
140 | static void req_invoke (aio_req req) |
215 | static void req_invoke (aio_req req) |
141 | { |
216 | { |
142 | dSP; |
217 | dSP; |
143 | int errorno = errno; |
218 | int errorno = errno; |
144 | |
219 | |
145 | if (req->cancelled || !SvOK (req->callback)) |
220 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
146 | return; |
221 | return; |
147 | |
222 | |
148 | errno = req->errorno; |
223 | errno = req->errorno; |
149 | |
224 | |
150 | ENTER; |
225 | ENTER; |
|
|
226 | SAVETMPS; |
151 | PUSHMARK (SP); |
227 | PUSHMARK (SP); |
|
|
228 | EXTEND (SP, 1); |
152 | |
229 | |
153 | switch (req->type) |
230 | switch (req->type) |
154 | { |
231 | { |
155 | case REQ_READDIR: |
232 | case REQ_READDIR: |
156 | { |
233 | { |
… | |
… | |
171 | } |
248 | } |
172 | |
249 | |
173 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
250 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
174 | } |
251 | } |
175 | |
252 | |
176 | XPUSHs (rv); |
253 | PUSHs (rv); |
177 | } |
254 | } |
178 | break; |
255 | break; |
179 | |
256 | |
180 | case REQ_OPEN: |
257 | case REQ_OPEN: |
181 | { |
258 | { |
182 | /* convert fd to fh */ |
259 | /* convert fd to fh */ |
183 | SV *fh; |
260 | SV *fh; |
184 | |
261 | |
185 | XPUSHs (sv_2mortal (newSViv (req->result))); |
262 | PUSHs (sv_2mortal (newSViv (req->result))); |
186 | PUTBACK; |
263 | PUTBACK; |
187 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
264 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
188 | SPAGAIN; |
265 | SPAGAIN; |
189 | |
266 | |
190 | fh = SvREFCNT_inc (POPs); |
267 | fh = SvREFCNT_inc (POPs); |
… | |
… | |
192 | PUSHMARK (SP); |
269 | PUSHMARK (SP); |
193 | XPUSHs (sv_2mortal (fh)); |
270 | XPUSHs (sv_2mortal (fh)); |
194 | } |
271 | } |
195 | break; |
272 | break; |
196 | |
273 | |
|
|
274 | case REQ_GROUP: |
|
|
275 | req->fd = 2; /* mark group as finished */ |
|
|
276 | |
|
|
277 | if (req->data) |
|
|
278 | { |
|
|
279 | int i; |
|
|
280 | AV *av = (AV *)req->data; |
|
|
281 | |
|
|
282 | EXTEND (SP, AvFILL (av) + 1); |
|
|
283 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
284 | PUSHs (*av_fetch (av, i, 0)); |
|
|
285 | } |
|
|
286 | break; |
|
|
287 | |
|
|
288 | case REQ_NOP: |
197 | case REQ_SLEEP: |
289 | case REQ_SLEEP: |
198 | case REQ_GROUP: |
|
|
199 | break; |
290 | break; |
200 | |
291 | |
201 | default: |
292 | default: |
202 | XPUSHs (sv_2mortal (newSViv (req->result))); |
293 | PUSHs (sv_2mortal (newSViv (req->result))); |
203 | break; |
294 | break; |
204 | } |
295 | } |
205 | |
296 | |
206 | |
297 | |
207 | PUTBACK; |
298 | PUTBACK; |
208 | call_sv (req->callback, G_VOID | G_EVAL); |
299 | call_sv (req->callback, G_VOID | G_EVAL); |
209 | SPAGAIN; |
300 | SPAGAIN; |
210 | |
301 | |
|
|
302 | FREETMPS; |
|
|
303 | LEAVE; |
|
|
304 | |
|
|
305 | errno = errorno; |
|
|
306 | |
211 | if (SvTRUE (ERRSV)) |
307 | if (SvTRUE (ERRSV)) |
212 | { |
308 | { |
213 | req_free (req); |
309 | req_free (req); |
214 | croak (0); |
310 | croak (0); |
215 | } |
311 | } |
216 | |
|
|
217 | LEAVE; |
|
|
218 | |
|
|
219 | errno = errorno; |
|
|
220 | } |
312 | } |
221 | |
313 | |
222 | static void req_free (aio_req req) |
314 | static void req_free (aio_req req) |
223 | { |
315 | { |
224 | if (req->grp) |
316 | if (req->grp) |
225 | { |
317 | { |
226 | aio_req grp = req->grp; |
318 | aio_req grp = req->grp; |
227 | |
319 | |
228 | /* unlink request */ |
320 | /* unlink request */ |
229 | req->grp_next->grp_prev = req->grp_prev; |
321 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
230 | req->grp_prev->grp_next = req->grp_next; |
322 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
231 | |
323 | |
232 | if (grp->grp_next == grp) |
324 | if (grp->grp_first == req) |
233 | { |
325 | grp->grp_first = req->grp_next; |
234 | req_invoke (grp); |
326 | |
235 | req_free (grp); |
327 | aio_grp_dec (grp); |
236 | } |
|
|
237 | } |
328 | } |
238 | |
329 | |
239 | if (req->self) |
330 | if (req->self) |
240 | { |
331 | { |
241 | sv_unmagic (req->self, PERL_MAGIC_ext); |
332 | sv_unmagic (req->self, PERL_MAGIC_ext); |
242 | SvREFCNT_dec (req->self); |
333 | SvREFCNT_dec (req->self); |
243 | } |
334 | } |
244 | |
335 | |
245 | if (req->data) |
|
|
246 | SvREFCNT_dec (req->data); |
336 | SvREFCNT_dec (req->data); |
247 | |
|
|
248 | if (req->fh) |
|
|
249 | SvREFCNT_dec (req->fh); |
337 | SvREFCNT_dec (req->fh); |
250 | |
|
|
251 | if (req->fh2) |
|
|
252 | SvREFCNT_dec (req->fh2); |
338 | SvREFCNT_dec (req->fh2); |
253 | |
|
|
254 | if (req->statdata) |
|
|
255 | Safefree (req->statdata); |
|
|
256 | |
|
|
257 | if (req->callback) |
|
|
258 | SvREFCNT_dec (req->callback); |
339 | SvREFCNT_dec (req->callback); |
|
|
340 | Safefree (req->statdata); |
259 | |
341 | |
260 | if (req->type == REQ_READDIR && req->result >= 0) |
342 | if (req->type == REQ_READDIR && req->result >= 0) |
261 | free (req->data2ptr); |
343 | free (req->data2ptr); |
262 | |
344 | |
263 | Safefree (req); |
345 | Safefree (req); |
264 | } |
346 | } |
265 | |
347 | |
266 | static void req_cancel (aio_req req) |
348 | static void req_cancel (aio_req req) |
267 | { |
349 | { |
268 | req->cancelled = 1; |
350 | req->flags |= FLAG_CANCELLED; |
269 | |
351 | |
270 | if (req->type == REQ_GROUP) |
352 | if (req->type == REQ_GROUP) |
271 | { |
353 | { |
272 | aio_req sub; |
354 | aio_req sub; |
273 | |
355 | |
274 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
356 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
275 | req_cancel (sub); |
357 | req_cancel (sub); |
276 | } |
358 | } |
277 | } |
359 | } |
278 | |
360 | |
279 | static int poll_cb () |
361 | static int poll_cb () |
… | |
… | |
306 | pthread_mutex_unlock (&reslock); |
388 | pthread_mutex_unlock (&reslock); |
307 | |
389 | |
308 | if (!req) |
390 | if (!req) |
309 | break; |
391 | break; |
310 | |
392 | |
311 | nreqs--; |
393 | --nreqs; |
312 | |
394 | |
313 | if (req->type == REQ_QUIT) |
395 | if (req->type == REQ_QUIT) |
314 | started--; |
396 | started--; |
315 | else if (req->type == REQ_GROUP && req->grp_next != req) |
397 | else if (req->type == REQ_GROUP && req->length) |
|
|
398 | { |
|
|
399 | req->fd = 1; /* mark request as delayed */ |
316 | continue; |
400 | continue; |
|
|
401 | } |
317 | else |
402 | else |
318 | { |
403 | { |
319 | if (req->type == REQ_READ) |
404 | if (req->type == REQ_READ) |
320 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
405 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
321 | |
406 | |
… | |
… | |
364 | static void req_send (aio_req req) |
449 | static void req_send (aio_req req) |
365 | { |
450 | { |
366 | while (started < wanted && nreqs >= started) |
451 | while (started < wanted && nreqs >= started) |
367 | start_thread (); |
452 | start_thread (); |
368 | |
453 | |
369 | nreqs++; |
454 | ++nreqs; |
370 | |
455 | |
371 | pthread_mutex_lock (&reqlock); |
456 | pthread_mutex_lock (&reqlock); |
372 | |
457 | |
373 | req->next = 0; |
458 | req->next = 0; |
374 | |
459 | |
… | |
… | |
724 | } |
809 | } |
725 | |
810 | |
726 | pthread_mutex_unlock (&reqlock); |
811 | pthread_mutex_unlock (&reqlock); |
727 | |
812 | |
728 | errno = 0; /* strictly unnecessary */ |
813 | errno = 0; /* strictly unnecessary */ |
|
|
814 | type = req->type; /* remember type for QUIT check */ |
729 | |
815 | |
730 | if (!req->cancelled) |
816 | if (!(req->flags & FLAG_CANCELLED)) |
731 | switch (req->type) |
817 | switch (type) |
732 | { |
818 | { |
733 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
819 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
734 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
820 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
735 | |
821 | |
736 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
822 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
… | |
… | |
760 | tv.tv_usec = req->fd2; |
846 | tv.tv_usec = req->fd2; |
761 | |
847 | |
762 | req->result = select (0, 0, 0, 0, &tv); |
848 | req->result = select (0, 0, 0, 0, &tv); |
763 | } |
849 | } |
764 | |
850 | |
|
|
851 | case REQ_GROUP: |
|
|
852 | case REQ_NOP: |
765 | case REQ_QUIT: |
853 | case REQ_QUIT: |
766 | break; |
854 | break; |
767 | |
855 | |
768 | default: |
856 | default: |
769 | req->result = ENOSYS; |
857 | req->result = ENOSYS; |
… | |
… | |
853 | atfork_parent (); |
941 | atfork_parent (); |
854 | } |
942 | } |
855 | |
943 | |
856 | #define dREQ \ |
944 | #define dREQ \ |
857 | aio_req req; \ |
945 | aio_req req; \ |
|
|
946 | int req_pri = next_pri; \ |
|
|
947 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
858 | \ |
948 | \ |
859 | if (SvOK (callback) && !SvROK (callback)) \ |
949 | if (SvOK (callback) && !SvROK (callback)) \ |
860 | croak ("callback must be undef or of reference type"); \ |
950 | croak ("callback must be undef or of reference type"); \ |
861 | \ |
951 | \ |
862 | Newz (0, req, 1, aio_cb); \ |
952 | Newz (0, req, 1, aio_cb); \ |
863 | if (!req) \ |
953 | if (!req) \ |
864 | croak ("out of memory during aio_req allocation"); \ |
954 | croak ("out of memory during aio_req allocation"); \ |
865 | \ |
955 | \ |
866 | req->callback = newSVsv (callback) |
956 | req->callback = newSVsv (callback); \ |
|
|
957 | req->pri = req_pri |
867 | |
958 | |
868 | #define REQ_SEND \ |
959 | #define REQ_SEND \ |
869 | req_send (req); \ |
960 | req_send (req); \ |
870 | \ |
961 | \ |
871 | if (GIMME_V != G_VOID) \ |
962 | if (GIMME_V != G_VOID) \ |
… | |
… | |
1142 | } |
1233 | } |
1143 | |
1234 | |
1144 | void |
1235 | void |
1145 | aio_group (callback=&PL_sv_undef) |
1236 | aio_group (callback=&PL_sv_undef) |
1146 | SV * callback |
1237 | SV * callback |
1147 | PROTOTYPE: ;& |
1238 | PROTOTYPE: ;$ |
1148 | PPCODE: |
1239 | PPCODE: |
1149 | { |
1240 | { |
1150 | dREQ; |
1241 | dREQ; |
|
|
1242 | |
1151 | req->type = REQ_GROUP; |
1243 | req->type = REQ_GROUP; |
1152 | req->grp_next = req; |
|
|
1153 | req->grp_prev = req; |
|
|
1154 | |
|
|
1155 | req_send (req); |
1244 | req_send (req); |
|
|
1245 | |
1156 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1246 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1157 | } |
1247 | } |
|
|
1248 | |
|
|
1249 | void |
|
|
1250 | aio_nop (callback=&PL_sv_undef) |
|
|
1251 | SV * callback |
|
|
1252 | PPCODE: |
|
|
1253 | { |
|
|
1254 | dREQ; |
|
|
1255 | |
|
|
1256 | req->type = REQ_NOP; |
|
|
1257 | |
|
|
1258 | REQ_SEND; |
|
|
1259 | } |
|
|
1260 | |
|
|
1261 | #if 0 |
|
|
1262 | |
|
|
1263 | void |
|
|
1264 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1265 | CODE: |
|
|
1266 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1267 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1268 | next_pri = pri + PRI_BIAS; |
|
|
1269 | |
|
|
1270 | #endif |
1158 | |
1271 | |
1159 | void |
1272 | void |
1160 | flush () |
1273 | flush () |
1161 | PROTOTYPE: |
1274 | PROTOTYPE: |
1162 | CODE: |
1275 | CODE: |
… | |
… | |
1205 | CODE: |
1318 | CODE: |
1206 | RETVAL = nreqs; |
1319 | RETVAL = nreqs; |
1207 | OUTPUT: |
1320 | OUTPUT: |
1208 | RETVAL |
1321 | RETVAL |
1209 | |
1322 | |
|
|
1323 | PROTOTYPES: DISABLE |
|
|
1324 | |
1210 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1325 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1211 | |
1326 | |
1212 | void |
1327 | void |
1213 | cancel (aio_req_ornot req) |
1328 | cancel (aio_req_ornot req) |
1214 | PROTOTYPE: |
1329 | PROTOTYPE: |
1215 | CODE: |
1330 | CODE: |
1216 | req_cancel (req); |
1331 | req_cancel (req); |
1217 | |
1332 | |
|
|
1333 | void |
|
|
1334 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1335 | CODE: |
|
|
1336 | SvREFCNT_dec (req->callback); |
|
|
1337 | req->callback = newSVsv (callback); |
|
|
1338 | |
1218 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1339 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1219 | |
1340 | |
1220 | void |
1341 | void |
1221 | add (aio_req grp, ...) |
1342 | add (aio_req grp, ...) |
1222 | PROTOTYPE: $;@ |
|
|
1223 | PPCODE: |
1343 | PPCODE: |
1224 | { |
1344 | { |
1225 | int i; |
1345 | int i; |
|
|
1346 | aio_req req; |
|
|
1347 | |
|
|
1348 | if (grp->fd == 2) |
|
|
1349 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1226 | |
1350 | |
1227 | for (i = 1; i < items; ++i ) |
1351 | for (i = 1; i < items; ++i ) |
1228 | { |
1352 | { |
1229 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1230 | |
|
|
1231 | req->grp_prev = grp; |
|
|
1232 | req->grp_next = grp->grp_next; |
|
|
1233 | grp->grp_next->grp_prev = req; |
|
|
1234 | grp->grp_next = req; |
|
|
1235 | |
|
|
1236 | req->grp = grp; |
|
|
1237 | |
|
|
1238 | if (GIMME_V != G_VOID) |
1353 | if (GIMME_V != G_VOID) |
1239 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1354 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1355 | |
|
|
1356 | req = SvAIO_REQ (ST (i)); |
|
|
1357 | |
|
|
1358 | if (req) |
|
|
1359 | { |
|
|
1360 | ++grp->length; |
|
|
1361 | req->grp = grp; |
|
|
1362 | |
|
|
1363 | req->grp_prev = 0; |
|
|
1364 | req->grp_next = grp->grp_first; |
|
|
1365 | |
|
|
1366 | if (grp->grp_first) |
|
|
1367 | grp->grp_first->grp_prev = req; |
|
|
1368 | |
|
|
1369 | grp->grp_first = req; |
|
|
1370 | } |
1240 | } |
1371 | } |
1241 | } |
1372 | } |
1242 | |
1373 | |
|
|
1374 | void |
|
|
1375 | result (aio_req grp, ...) |
|
|
1376 | CODE: |
|
|
1377 | { |
|
|
1378 | int i; |
|
|
1379 | AV *av = newAV (); |
|
|
1380 | |
|
|
1381 | for (i = 1; i < items; ++i ) |
|
|
1382 | av_push (av, newSVsv (ST (i))); |
|
|
1383 | |
|
|
1384 | SvREFCNT_dec (grp->data); |
|
|
1385 | grp->data = (SV *)av; |
|
|
1386 | } |
|
|
1387 | |
|
|
1388 | void |
|
|
1389 | feed_limit (aio_req grp, int limit) |
|
|
1390 | CODE: |
|
|
1391 | grp->fd2 = limit; |
|
|
1392 | aio_grp_feed (grp); |
|
|
1393 | |
|
|
1394 | void |
|
|
1395 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1396 | CODE: |
|
|
1397 | { |
|
|
1398 | SvREFCNT_dec (grp->fh2); |
|
|
1399 | grp->fh2 = newSVsv (callback); |
|
|
1400 | |
|
|
1401 | if (grp->fd2 <= 0) |
|
|
1402 | grp->fd2 = 2; |
|
|
1403 | |
|
|
1404 | aio_grp_feed (grp); |
|
|
1405 | } |
|
|
1406 | |