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… | |
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 */ |
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|
88 | unsigned char pri; |
88 | unsigned char cancelled; |
89 | unsigned char flags; |
89 | } aio_cb; |
90 | } aio_cb; |
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|
91 | |
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|
92 | enum { |
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|
93 | FLAG_CANCELLED = 0x01, |
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|
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 | |
98 | |
94 | static int started, wanted; |
99 | static int started, wanted; |
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130 | return mg ? (aio_req)mg->mg_ptr : 0; |
135 | return mg ? (aio_req)mg->mg_ptr : 0; |
131 | } |
136 | } |
132 | |
137 | |
133 | static void aio_grp_feed (aio_req grp) |
138 | static void aio_grp_feed (aio_req grp) |
134 | { |
139 | { |
135 | while (grp->length < grp->fd2) |
140 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
136 | { |
141 | { |
137 | int old_len = grp->length; |
142 | int old_len = grp->length; |
138 | |
143 | |
139 | if (grp->fh2 && SvOK (grp->fh2)) |
144 | if (grp->fh2 && SvOK (grp->fh2)) |
140 | { |
145 | { |
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191 | static void req_invoke (aio_req req) |
196 | static void req_invoke (aio_req req) |
192 | { |
197 | { |
193 | dSP; |
198 | dSP; |
194 | int errorno = errno; |
199 | int errorno = errno; |
195 | |
200 | |
196 | if (req->cancelled || !SvOK (req->callback)) |
201 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
197 | return; |
202 | return; |
198 | |
203 | |
199 | errno = req->errorno; |
204 | errno = req->errorno; |
200 | |
205 | |
201 | ENTER; |
206 | ENTER; |
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… | |
321 | Safefree (req); |
326 | Safefree (req); |
322 | } |
327 | } |
323 | |
328 | |
324 | static void req_cancel (aio_req req) |
329 | static void req_cancel (aio_req req) |
325 | { |
330 | { |
326 | req->cancelled = 1; |
331 | req->flags |= FLAG_CANCELLED; |
327 | |
332 | |
328 | if (req->type == REQ_GROUP) |
333 | if (req->type == REQ_GROUP) |
329 | { |
334 | { |
330 | aio_req sub; |
335 | aio_req sub; |
331 | |
336 | |
… | |
… | |
786 | |
791 | |
787 | pthread_mutex_unlock (&reqlock); |
792 | pthread_mutex_unlock (&reqlock); |
788 | |
793 | |
789 | errno = 0; /* strictly unnecessary */ |
794 | errno = 0; /* strictly unnecessary */ |
790 | |
795 | |
791 | if (!req->cancelled) |
796 | if (!(req->flags & FLAG_CANCELLED)) |
792 | switch (type = req->type) /* remember type for QUIT check */ |
797 | switch (type = req->type) /* remember type for QUIT check */ |
793 | { |
798 | { |
794 | 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; |
795 | 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; |
796 | |
801 | |
… | |
… | |
821 | tv.tv_usec = req->fd2; |
826 | tv.tv_usec = req->fd2; |
822 | |
827 | |
823 | req->result = select (0, 0, 0, 0, &tv); |
828 | req->result = select (0, 0, 0, 0, &tv); |
824 | } |
829 | } |
825 | |
830 | |
826 | case REQ_GROUP: /*TODO: should not be handled here */ |
831 | case REQ_GROUP: |
827 | case REQ_NOP: /*TODO: should not be handled here */ |
832 | case REQ_NOP: |
828 | case REQ_QUIT: |
833 | case REQ_QUIT: |
829 | break; |
834 | break; |
830 | |
835 | |
831 | default: |
836 | default: |
832 | req->result = ENOSYS; |
837 | req->result = ENOSYS; |
… | |
… | |
1287 | cancel (aio_req_ornot req) |
1292 | cancel (aio_req_ornot req) |
1288 | PROTOTYPE: |
1293 | PROTOTYPE: |
1289 | CODE: |
1294 | CODE: |
1290 | req_cancel (req); |
1295 | req_cancel (req); |
1291 | |
1296 | |
|
|
1297 | void |
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|
1298 | cb (aio_req req, SV *callback=&PL_sv_undef) |
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|
1299 | CODE: |
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|
1300 | SvREFCNT_dec (req->callback); |
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|
1301 | req->callback = newSVsv (callback); |
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|
1302 | |
1292 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1303 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1293 | |
1304 | |
1294 | void |
1305 | void |
1295 | add (aio_req grp, ...) |
1306 | add (aio_req grp, ...) |
1296 | PPCODE: |
1307 | PPCODE: |
… | |
… | |
1337 | SvREFCNT_dec (grp->data); |
1348 | SvREFCNT_dec (grp->data); |
1338 | grp->data = (SV *)av; |
1349 | grp->data = (SV *)av; |
1339 | } |
1350 | } |
1340 | |
1351 | |
1341 | void |
1352 | void |
1342 | lock (aio_req grp) |
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|
1343 | CODE: |
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|
1344 | ++grp->length; |
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|
1345 | |
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|
1346 | void |
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|
1347 | unlock (aio_req grp) |
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|
1348 | CODE: |
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|
1349 | aio_grp_dec (grp); |
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|
1350 | |
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|
1351 | void |
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|
1352 | feeder_limit (aio_req grp, int limit) |
1353 | feed_limit (aio_req grp, int limit) |
1353 | CODE: |
1354 | CODE: |
1354 | grp->fd2 = limit; |
1355 | grp->fd2 = limit; |
1355 | aio_grp_feed (grp); |
1356 | aio_grp_feed (grp); |
1356 | |
1357 | |
1357 | void |
1358 | void |
1358 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
1359 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1359 | CODE: |
1360 | CODE: |
1360 | { |
1361 | { |
1361 | SvREFCNT_dec (grp->fh2); |
1362 | SvREFCNT_dec (grp->fh2); |
1362 | grp->fh2 = newSVsv (callback); |
1363 | grp->fh2 = newSVsv (callback); |
1363 | |
1364 | |