… | |
… | |
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 | |
… | |
… | |
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 | |
98 | |
94 | static int started, wanted; |
99 | static int started, wanted; |
… | |
… | |
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 | { |
… | |
… | |
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; |
… | |
… | |
259 | for (i = 0; i <= AvFILL (av); ++i) |
264 | for (i = 0; i <= AvFILL (av); ++i) |
260 | PUSHs (*av_fetch (av, i, 0)); |
265 | PUSHs (*av_fetch (av, i, 0)); |
261 | } |
266 | } |
262 | break; |
267 | break; |
263 | |
268 | |
|
|
269 | case REQ_NOP: |
264 | case REQ_SLEEP: |
270 | case REQ_SLEEP: |
265 | break; |
271 | break; |
266 | |
272 | |
267 | default: |
273 | default: |
268 | PUSHs (sv_2mortal (newSViv (req->result))); |
274 | PUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
320 | Safefree (req); |
326 | Safefree (req); |
321 | } |
327 | } |
322 | |
328 | |
323 | static void req_cancel (aio_req req) |
329 | static void req_cancel (aio_req req) |
324 | { |
330 | { |
325 | req->cancelled = 1; |
331 | req->flags |= FLAG_CANCELLED; |
326 | |
332 | |
327 | if (req->type == REQ_GROUP) |
333 | if (req->type == REQ_GROUP) |
328 | { |
334 | { |
329 | aio_req sub; |
335 | aio_req sub; |
330 | |
336 | |
… | |
… | |
785 | |
791 | |
786 | pthread_mutex_unlock (&reqlock); |
792 | pthread_mutex_unlock (&reqlock); |
787 | |
793 | |
788 | errno = 0; /* strictly unnecessary */ |
794 | errno = 0; /* strictly unnecessary */ |
789 | |
795 | |
790 | if (!req->cancelled) |
796 | if (!(req->flags & FLAG_CANCELLED)) |
791 | switch (type = req->type) /* remember type for QUIT check */ |
797 | switch (type = req->type) /* remember type for QUIT check */ |
792 | { |
798 | { |
793 | 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; |
794 | 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; |
795 | |
801 | |
… | |
… | |
820 | tv.tv_usec = req->fd2; |
826 | tv.tv_usec = req->fd2; |
821 | |
827 | |
822 | req->result = select (0, 0, 0, 0, &tv); |
828 | req->result = select (0, 0, 0, 0, &tv); |
823 | } |
829 | } |
824 | |
830 | |
|
|
831 | case REQ_GROUP: |
|
|
832 | case REQ_NOP: |
825 | case REQ_QUIT: |
833 | case REQ_QUIT: |
826 | break; |
834 | break; |
827 | |
835 | |
828 | default: |
836 | default: |
829 | req->result = ENOSYS; |
837 | req->result = ENOSYS; |
… | |
… | |
1212 | req_send (req); |
1220 | req_send (req); |
1213 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1221 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1214 | } |
1222 | } |
1215 | |
1223 | |
1216 | void |
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; |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | void |
1217 | flush () |
1237 | flush () |
1218 | PROTOTYPE: |
1238 | PROTOTYPE: |
1219 | CODE: |
1239 | CODE: |
1220 | while (nreqs) |
1240 | while (nreqs) |
1221 | { |
1241 | { |
… | |
… | |
1272 | cancel (aio_req_ornot req) |
1292 | cancel (aio_req_ornot req) |
1273 | PROTOTYPE: |
1293 | PROTOTYPE: |
1274 | CODE: |
1294 | CODE: |
1275 | req_cancel (req); |
1295 | req_cancel (req); |
1276 | |
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 | |
1277 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1303 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1278 | |
1304 | |
1279 | void |
1305 | void |
1280 | add (aio_req grp, ...) |
1306 | add (aio_req grp, ...) |
1281 | PPCODE: |
1307 | PPCODE: |
… | |
… | |
1322 | SvREFCNT_dec (grp->data); |
1348 | SvREFCNT_dec (grp->data); |
1323 | grp->data = (SV *)av; |
1349 | grp->data = (SV *)av; |
1324 | } |
1350 | } |
1325 | |
1351 | |
1326 | void |
1352 | 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) |
1353 | feed_limit (aio_req grp, int limit) |
1338 | CODE: |
1354 | CODE: |
1339 | grp->fd2 = limit; |
1355 | grp->fd2 = limit; |
1340 | aio_grp_feed (grp); |
1356 | aio_grp_feed (grp); |
1341 | |
1357 | |
1342 | void |
1358 | void |
1343 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
1359 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1344 | CODE: |
1360 | CODE: |
1345 | { |
1361 | { |
1346 | SvREFCNT_dec (grp->fh2); |
1362 | SvREFCNT_dec (grp->fh2); |
1347 | grp->fh2 = newSVsv (callback); |
1363 | grp->fh2 = newSVsv (callback); |
1348 | |
1364 | |