… | |
… | |
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; |
|
|
70 | |
|
|
71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
72 | |
72 | |
73 | SV *self; /* the perl counterpart of this request, if any */ |
73 | SV *self; /* the perl counterpart of this request, if any */ |
74 | |
74 | |
75 | SV *data, *callback; |
75 | SV *data, *callback; |
76 | SV *fh, *fh2; |
76 | SV *fh, *fh2; |
… | |
… | |
83 | int type; |
83 | int type; |
84 | int fd, fd2; |
84 | int fd, fd2; |
85 | int errorno; |
85 | int errorno; |
86 | STRLEN dataoffset; |
86 | STRLEN dataoffset; |
87 | mode_t mode; /* open */ |
87 | mode_t mode; /* open */ |
|
|
88 | unsigned char pri; |
88 | unsigned char cancelled; |
89 | unsigned char flags; |
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; |
|
|
94 | |
98 | |
95 | static int started, wanted; |
99 | static int started, wanted; |
96 | static volatile int nreqs; |
100 | static volatile int nreqs; |
97 | static int max_outstanding = 1<<30; |
101 | static int max_outstanding = 1<<30; |
98 | static int respipe [2]; |
102 | static int respipe [2]; |
… | |
… | |
102 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
106 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
103 | |
107 | |
104 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
108 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
105 | static volatile aio_req ress, rese; /* queue start, queue end */ |
109 | static volatile aio_req ress, rese; /* queue start, queue end */ |
106 | |
110 | |
|
|
111 | static void req_invoke (aio_req req); |
107 | static void req_free (aio_req req); |
112 | static void req_free (aio_req req); |
108 | |
113 | |
109 | /* must be called at most once */ |
114 | /* must be called at most once */ |
110 | static SV *req_sv (aio_req req, const char *klass) |
115 | static SV *req_sv (aio_req req, const char *klass) |
111 | { |
116 | { |
|
|
117 | if (!req->self) |
|
|
118 | { |
112 | req->self = (SV *)newHV (); |
119 | req->self = (SV *)newHV (); |
113 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
120 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
121 | } |
114 | |
122 | |
115 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
123 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
116 | } |
124 | } |
117 | |
125 | |
118 | static aio_req SvAIO_REQ (SV *sv) |
126 | static aio_req SvAIO_REQ (SV *sv) |
119 | { |
127 | { |
|
|
128 | MAGIC *mg; |
|
|
129 | |
120 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
130 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
121 | croak ("object of class " AIO_REQ_KLASS " expected"); |
131 | croak ("object of class " AIO_REQ_KLASS " expected"); |
122 | |
132 | |
123 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
133 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
124 | |
134 | |
125 | return mg ? (aio_req)mg->mg_ptr : 0; |
135 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
136 | } |
|
|
137 | |
|
|
138 | static void aio_grp_feed (aio_req grp) |
|
|
139 | { |
|
|
140 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
141 | { |
|
|
142 | int old_len = grp->length; |
|
|
143 | |
|
|
144 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
145 | { |
|
|
146 | dSP; |
|
|
147 | |
|
|
148 | ENTER; |
|
|
149 | SAVETMPS; |
|
|
150 | PUSHMARK (SP); |
|
|
151 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
152 | PUTBACK; |
|
|
153 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
|
154 | SPAGAIN; |
|
|
155 | FREETMPS; |
|
|
156 | LEAVE; |
|
|
157 | } |
|
|
158 | |
|
|
159 | /* stop if no progress has been made */ |
|
|
160 | if (old_len == grp->length) |
|
|
161 | { |
|
|
162 | SvREFCNT_dec (grp->fh2); |
|
|
163 | grp->fh2 = 0; |
|
|
164 | break; |
|
|
165 | } |
|
|
166 | } |
|
|
167 | } |
|
|
168 | |
|
|
169 | static void aio_grp_dec (aio_req grp) |
|
|
170 | { |
|
|
171 | --grp->length; |
|
|
172 | |
|
|
173 | /* call feeder, if applicable */ |
|
|
174 | aio_grp_feed (grp); |
|
|
175 | |
|
|
176 | /* finish, if done */ |
|
|
177 | if (!grp->length && grp->fd) |
|
|
178 | { |
|
|
179 | req_invoke (grp); |
|
|
180 | req_free (grp); |
|
|
181 | } |
126 | } |
182 | } |
127 | |
183 | |
128 | static void poll_wait () |
184 | static void poll_wait () |
129 | { |
185 | { |
130 | if (nreqs && !ress) |
186 | if (nreqs && !ress) |
… | |
… | |
140 | static void req_invoke (aio_req req) |
196 | static void req_invoke (aio_req req) |
141 | { |
197 | { |
142 | dSP; |
198 | dSP; |
143 | int errorno = errno; |
199 | int errorno = errno; |
144 | |
200 | |
145 | if (req->cancelled || !SvOK (req->callback)) |
201 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
146 | return; |
202 | return; |
147 | |
203 | |
148 | errno = req->errorno; |
204 | errno = req->errorno; |
149 | |
205 | |
150 | ENTER; |
206 | ENTER; |
|
|
207 | SAVETMPS; |
151 | PUSHMARK (SP); |
208 | PUSHMARK (SP); |
|
|
209 | EXTEND (SP, 1); |
152 | |
210 | |
153 | switch (req->type) |
211 | switch (req->type) |
154 | { |
212 | { |
155 | case REQ_READDIR: |
213 | case REQ_READDIR: |
156 | { |
214 | { |
… | |
… | |
171 | } |
229 | } |
172 | |
230 | |
173 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
231 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
174 | } |
232 | } |
175 | |
233 | |
176 | XPUSHs (rv); |
234 | PUSHs (rv); |
177 | } |
235 | } |
178 | break; |
236 | break; |
179 | |
237 | |
180 | case REQ_OPEN: |
238 | case REQ_OPEN: |
181 | { |
239 | { |
182 | /* convert fd to fh */ |
240 | /* convert fd to fh */ |
183 | SV *fh; |
241 | SV *fh; |
184 | |
242 | |
185 | XPUSHs (sv_2mortal (newSViv (req->result))); |
243 | PUSHs (sv_2mortal (newSViv (req->result))); |
186 | PUTBACK; |
244 | PUTBACK; |
187 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
245 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
188 | SPAGAIN; |
246 | SPAGAIN; |
189 | |
247 | |
190 | fh = SvREFCNT_inc (POPs); |
248 | fh = SvREFCNT_inc (POPs); |
… | |
… | |
192 | PUSHMARK (SP); |
250 | PUSHMARK (SP); |
193 | XPUSHs (sv_2mortal (fh)); |
251 | XPUSHs (sv_2mortal (fh)); |
194 | } |
252 | } |
195 | break; |
253 | break; |
196 | |
254 | |
|
|
255 | case REQ_GROUP: |
|
|
256 | req->fd = 2; /* mark group as finished */ |
|
|
257 | |
|
|
258 | if (req->data) |
|
|
259 | { |
|
|
260 | int i; |
|
|
261 | AV *av = (AV *)req->data; |
|
|
262 | |
|
|
263 | EXTEND (SP, AvFILL (av) + 1); |
|
|
264 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
265 | PUSHs (*av_fetch (av, i, 0)); |
|
|
266 | } |
|
|
267 | break; |
|
|
268 | |
|
|
269 | case REQ_NOP: |
197 | case REQ_SLEEP: |
270 | case REQ_SLEEP: |
198 | case REQ_GROUP: |
|
|
199 | break; |
271 | break; |
200 | |
272 | |
201 | default: |
273 | default: |
202 | XPUSHs (sv_2mortal (newSViv (req->result))); |
274 | PUSHs (sv_2mortal (newSViv (req->result))); |
203 | break; |
275 | break; |
204 | } |
276 | } |
205 | |
277 | |
206 | |
278 | |
207 | PUTBACK; |
279 | PUTBACK; |
208 | call_sv (req->callback, G_VOID | G_EVAL); |
280 | call_sv (req->callback, G_VOID | G_EVAL); |
209 | SPAGAIN; |
281 | SPAGAIN; |
210 | |
282 | |
|
|
283 | FREETMPS; |
|
|
284 | LEAVE; |
|
|
285 | |
|
|
286 | errno = errorno; |
|
|
287 | |
211 | if (SvTRUE (ERRSV)) |
288 | if (SvTRUE (ERRSV)) |
212 | { |
289 | { |
213 | req_free (req); |
290 | req_free (req); |
214 | croak (0); |
291 | croak (0); |
215 | } |
292 | } |
216 | |
|
|
217 | LEAVE; |
|
|
218 | |
|
|
219 | errno = errorno; |
|
|
220 | } |
293 | } |
221 | |
294 | |
222 | static void req_free (aio_req req) |
295 | static void req_free (aio_req req) |
223 | { |
296 | { |
224 | if (req->grp) |
297 | if (req->grp) |
225 | { |
298 | { |
226 | aio_req grp = req->grp; |
299 | aio_req grp = req->grp; |
227 | |
300 | |
228 | /* unlink request */ |
301 | /* unlink request */ |
229 | req->grp_next->grp_prev = req->grp_prev; |
302 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
230 | req->grp_prev->grp_next = req->grp_next; |
303 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
231 | |
304 | |
232 | if (grp->grp_next == grp) |
305 | if (grp->grp_first == req) |
233 | { |
306 | grp->grp_first = req->grp_next; |
234 | req_invoke (grp); |
307 | |
235 | req_free (grp); |
308 | aio_grp_dec (grp); |
236 | } |
|
|
237 | } |
309 | } |
238 | |
310 | |
239 | if (req->self) |
311 | if (req->self) |
240 | { |
312 | { |
241 | sv_unmagic (req->self, PERL_MAGIC_ext); |
313 | sv_unmagic (req->self, PERL_MAGIC_ext); |
242 | SvREFCNT_dec (req->self); |
314 | SvREFCNT_dec (req->self); |
243 | } |
315 | } |
244 | |
316 | |
245 | if (req->data) |
|
|
246 | SvREFCNT_dec (req->data); |
317 | SvREFCNT_dec (req->data); |
247 | |
|
|
248 | if (req->fh) |
|
|
249 | SvREFCNT_dec (req->fh); |
318 | SvREFCNT_dec (req->fh); |
250 | |
|
|
251 | if (req->fh2) |
|
|
252 | SvREFCNT_dec (req->fh2); |
319 | SvREFCNT_dec (req->fh2); |
253 | |
|
|
254 | if (req->statdata) |
|
|
255 | Safefree (req->statdata); |
|
|
256 | |
|
|
257 | if (req->callback) |
|
|
258 | SvREFCNT_dec (req->callback); |
320 | SvREFCNT_dec (req->callback); |
|
|
321 | Safefree (req->statdata); |
259 | |
322 | |
260 | if (req->type == REQ_READDIR && req->result >= 0) |
323 | if (req->type == REQ_READDIR && req->result >= 0) |
261 | free (req->data2ptr); |
324 | free (req->data2ptr); |
262 | |
325 | |
263 | Safefree (req); |
326 | Safefree (req); |
264 | } |
327 | } |
265 | |
328 | |
266 | static void req_cancel (aio_req req) |
329 | static void req_cancel (aio_req req) |
267 | { |
330 | { |
268 | req->cancelled = 1; |
331 | req->flags |= FLAG_CANCELLED; |
269 | |
332 | |
270 | if (req->type == REQ_GROUP) |
333 | if (req->type == REQ_GROUP) |
271 | { |
334 | { |
272 | aio_req sub; |
335 | aio_req sub; |
273 | |
336 | |
274 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
337 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
275 | req_cancel (sub); |
338 | req_cancel (sub); |
276 | } |
339 | } |
277 | } |
340 | } |
278 | |
341 | |
279 | static int poll_cb () |
342 | static int poll_cb () |
… | |
… | |
306 | pthread_mutex_unlock (&reslock); |
369 | pthread_mutex_unlock (&reslock); |
307 | |
370 | |
308 | if (!req) |
371 | if (!req) |
309 | break; |
372 | break; |
310 | |
373 | |
311 | nreqs--; |
374 | --nreqs; |
312 | |
375 | |
313 | if (req->type == REQ_QUIT) |
376 | if (req->type == REQ_QUIT) |
314 | started--; |
377 | started--; |
315 | else if (req->type == REQ_GROUP && req->grp_next != req) |
378 | else if (req->type == REQ_GROUP && req->length) |
|
|
379 | { |
|
|
380 | req->fd = 1; /* mark request as delayed */ |
316 | continue; |
381 | continue; |
|
|
382 | } |
317 | else |
383 | else |
318 | { |
384 | { |
319 | if (req->type == REQ_READ) |
385 | if (req->type == REQ_READ) |
320 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
386 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
321 | |
387 | |
… | |
… | |
364 | static void req_send (aio_req req) |
430 | static void req_send (aio_req req) |
365 | { |
431 | { |
366 | while (started < wanted && nreqs >= started) |
432 | while (started < wanted && nreqs >= started) |
367 | start_thread (); |
433 | start_thread (); |
368 | |
434 | |
369 | nreqs++; |
435 | ++nreqs; |
370 | |
436 | |
371 | pthread_mutex_lock (&reqlock); |
437 | pthread_mutex_lock (&reqlock); |
372 | |
438 | |
373 | req->next = 0; |
439 | req->next = 0; |
374 | |
440 | |
… | |
… | |
725 | |
791 | |
726 | pthread_mutex_unlock (&reqlock); |
792 | pthread_mutex_unlock (&reqlock); |
727 | |
793 | |
728 | errno = 0; /* strictly unnecessary */ |
794 | errno = 0; /* strictly unnecessary */ |
729 | |
795 | |
730 | if (!req->cancelled) |
796 | if (!(req->flags & FLAG_CANCELLED)) |
731 | switch (req->type) |
797 | switch (type = req->type) /* remember type for QUIT check */ |
732 | { |
798 | { |
733 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
799 | 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; |
800 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
735 | |
801 | |
736 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
802 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
… | |
… | |
760 | tv.tv_usec = req->fd2; |
826 | tv.tv_usec = req->fd2; |
761 | |
827 | |
762 | req->result = select (0, 0, 0, 0, &tv); |
828 | req->result = select (0, 0, 0, 0, &tv); |
763 | } |
829 | } |
764 | |
830 | |
|
|
831 | case REQ_GROUP: |
|
|
832 | case REQ_NOP: |
765 | case REQ_QUIT: |
833 | case REQ_QUIT: |
766 | break; |
834 | break; |
767 | |
835 | |
768 | default: |
836 | default: |
769 | req->result = ENOSYS; |
837 | req->result = ENOSYS; |
… | |
… | |
1142 | } |
1210 | } |
1143 | |
1211 | |
1144 | void |
1212 | void |
1145 | aio_group (callback=&PL_sv_undef) |
1213 | aio_group (callback=&PL_sv_undef) |
1146 | SV * callback |
1214 | SV * callback |
1147 | PROTOTYPE: ;& |
1215 | PROTOTYPE: ;$ |
1148 | PPCODE: |
1216 | PPCODE: |
1149 | { |
1217 | { |
1150 | dREQ; |
1218 | dREQ; |
1151 | req->type = REQ_GROUP; |
1219 | req->type = REQ_GROUP; |
1152 | req->grp_next = req; |
|
|
1153 | req->grp_prev = req; |
|
|
1154 | |
|
|
1155 | req_send (req); |
1220 | req_send (req); |
1156 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1221 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1222 | } |
|
|
1223 | |
|
|
1224 | void |
|
|
1225 | aio_nop (callback=&PL_sv_undef) |
|
|
1226 | SV * callback |
|
|
1227 | PPCODE: |
|
|
1228 | { |
|
|
1229 | dREQ; |
|
|
1230 | |
|
|
1231 | req->type = REQ_NOP; |
|
|
1232 | |
|
|
1233 | REQ_SEND; |
1157 | } |
1234 | } |
1158 | |
1235 | |
1159 | void |
1236 | void |
1160 | flush () |
1237 | flush () |
1161 | PROTOTYPE: |
1238 | PROTOTYPE: |
… | |
… | |
1205 | CODE: |
1282 | CODE: |
1206 | RETVAL = nreqs; |
1283 | RETVAL = nreqs; |
1207 | OUTPUT: |
1284 | OUTPUT: |
1208 | RETVAL |
1285 | RETVAL |
1209 | |
1286 | |
|
|
1287 | PROTOTYPES: DISABLE |
|
|
1288 | |
1210 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1289 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1211 | |
1290 | |
1212 | void |
1291 | void |
1213 | cancel (aio_req_ornot req) |
1292 | cancel (aio_req_ornot req) |
1214 | PROTOTYPE: |
1293 | PROTOTYPE: |
1215 | CODE: |
1294 | CODE: |
1216 | req_cancel (req); |
1295 | req_cancel (req); |
1217 | |
1296 | |
|
|
1297 | void |
|
|
1298 | cb (aio_req req, SV *callback=&PL_sv_undef) |
|
|
1299 | CODE: |
|
|
1300 | SvREFCNT_dec (req->callback); |
|
|
1301 | req->callback = newSVsv (callback); |
|
|
1302 | |
1218 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1303 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1219 | |
1304 | |
1220 | void |
1305 | void |
1221 | add (aio_req grp, ...) |
1306 | add (aio_req grp, ...) |
1222 | PROTOTYPE: $;@ |
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|
1223 | PPCODE: |
1307 | PPCODE: |
1224 | { |
1308 | { |
1225 | int i; |
1309 | int i; |
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1310 | aio_req req; |
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1311 | |
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|
1312 | if (grp->fd == 2) |
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|
1313 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1226 | |
1314 | |
1227 | for (i = 1; i < items; ++i ) |
1315 | for (i = 1; i < items; ++i ) |
1228 | { |
1316 | { |
1229 | aio_req req = SvAIO_REQ (ST (i)); |
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1230 | |
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1231 | req->grp_prev = grp; |
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1232 | req->grp_next = grp->grp_next; |
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1233 | grp->grp_next->grp_prev = req; |
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|
1234 | grp->grp_next = req; |
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1235 | |
|
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1236 | req->grp = grp; |
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1237 | |
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|
1238 | if (GIMME_V != G_VOID) |
1317 | if (GIMME_V != G_VOID) |
1239 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1318 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
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1319 | |
|
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1320 | req = SvAIO_REQ (ST (i)); |
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1321 | |
|
|
1322 | if (req) |
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|
1323 | { |
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1324 | ++grp->length; |
|
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1325 | req->grp = grp; |
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1326 | |
|
|
1327 | req->grp_prev = 0; |
|
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1328 | req->grp_next = grp->grp_first; |
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1329 | |
|
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1330 | if (grp->grp_first) |
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1331 | grp->grp_first->grp_prev = req; |
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1332 | |
|
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1333 | grp->grp_first = req; |
|
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1334 | } |
1240 | } |
1335 | } |
1241 | } |
1336 | } |
1242 | |
1337 | |
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|
1338 | void |
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1339 | result (aio_req grp, ...) |
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|
1340 | CODE: |
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|
1341 | { |
|
|
1342 | int i; |
|
|
1343 | AV *av = newAV (); |
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1344 | |
|
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1345 | for (i = 1; i < items; ++i ) |
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1346 | av_push (av, newSVsv (ST (i))); |
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1347 | |
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1348 | SvREFCNT_dec (grp->data); |
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1349 | grp->data = (SV *)av; |
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1350 | } |
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1351 | |
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|
1352 | void |
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1353 | feed_limit (aio_req grp, int limit) |
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1354 | CODE: |
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1355 | grp->fd2 = limit; |
|
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1356 | aio_grp_feed (grp); |
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1357 | |
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|
1358 | void |
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1359 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
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1360 | CODE: |
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|
1361 | { |
|
|
1362 | SvREFCNT_dec (grp->fh2); |
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|
1363 | grp->fh2 = newSVsv (callback); |
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1364 | |
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|
1365 | if (grp->fd2 <= 0) |
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|
1366 | grp->fd2 = 2; |
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1367 | |
|
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1368 | aio_grp_feed (grp); |
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|
1369 | } |
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1370 | |