… | |
… | |
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; |
… | |
… | |
118 | 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))); |
119 | } |
124 | } |
120 | |
125 | |
121 | static aio_req SvAIO_REQ (SV *sv) |
126 | static aio_req SvAIO_REQ (SV *sv) |
122 | { |
127 | { |
|
|
128 | MAGIC *mg; |
|
|
129 | |
123 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
130 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
124 | croak ("object of class " AIO_REQ_KLASS " expected"); |
131 | croak ("object of class " AIO_REQ_KLASS " expected"); |
125 | |
132 | |
126 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
133 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
127 | |
134 | |
128 | return mg ? (aio_req)mg->mg_ptr : 0; |
135 | return mg ? (aio_req)mg->mg_ptr : 0; |
129 | } |
136 | } |
130 | |
137 | |
131 | static void aio_grp_feed (aio_req grp) |
138 | static void aio_grp_feed (aio_req grp) |
132 | { |
139 | { |
133 | while (grp->length < grp->fd2) |
140 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
134 | { |
141 | { |
135 | int old_len = grp->length; |
142 | int old_len = grp->length; |
136 | |
143 | |
137 | if (grp->fh2 && SvOK (grp->fh2)) |
144 | if (grp->fh2 && SvOK (grp->fh2)) |
138 | { |
145 | { |
… | |
… | |
189 | static void req_invoke (aio_req req) |
196 | static void req_invoke (aio_req req) |
190 | { |
197 | { |
191 | dSP; |
198 | dSP; |
192 | int errorno = errno; |
199 | int errorno = errno; |
193 | |
200 | |
194 | if (req->cancelled || !SvOK (req->callback)) |
201 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
195 | return; |
202 | return; |
196 | |
203 | |
197 | errno = req->errorno; |
204 | errno = req->errorno; |
198 | |
205 | |
199 | ENTER; |
206 | ENTER; |
… | |
… | |
257 | for (i = 0; i <= AvFILL (av); ++i) |
264 | for (i = 0; i <= AvFILL (av); ++i) |
258 | PUSHs (*av_fetch (av, i, 0)); |
265 | PUSHs (*av_fetch (av, i, 0)); |
259 | } |
266 | } |
260 | break; |
267 | break; |
261 | |
268 | |
|
|
269 | case REQ_NOP: |
262 | case REQ_SLEEP: |
270 | case REQ_SLEEP: |
263 | break; |
271 | break; |
264 | |
272 | |
265 | default: |
273 | default: |
266 | PUSHs (sv_2mortal (newSViv (req->result))); |
274 | PUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
318 | Safefree (req); |
326 | Safefree (req); |
319 | } |
327 | } |
320 | |
328 | |
321 | static void req_cancel (aio_req req) |
329 | static void req_cancel (aio_req req) |
322 | { |
330 | { |
323 | req->cancelled = 1; |
331 | req->flags |= FLAG_CANCELLED; |
324 | |
332 | |
325 | if (req->type == REQ_GROUP) |
333 | if (req->type == REQ_GROUP) |
326 | { |
334 | { |
327 | aio_req sub; |
335 | aio_req sub; |
328 | |
336 | |
… | |
… | |
783 | |
791 | |
784 | pthread_mutex_unlock (&reqlock); |
792 | pthread_mutex_unlock (&reqlock); |
785 | |
793 | |
786 | errno = 0; /* strictly unnecessary */ |
794 | errno = 0; /* strictly unnecessary */ |
787 | |
795 | |
788 | if (!req->cancelled) |
796 | if (!(req->flags & FLAG_CANCELLED)) |
789 | switch (type = req->type) /* remember type for QUIT check */ |
797 | switch (type = req->type) /* remember type for QUIT check */ |
790 | { |
798 | { |
791 | 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; |
792 | 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; |
793 | |
801 | |
… | |
… | |
818 | tv.tv_usec = req->fd2; |
826 | tv.tv_usec = req->fd2; |
819 | |
827 | |
820 | req->result = select (0, 0, 0, 0, &tv); |
828 | req->result = select (0, 0, 0, 0, &tv); |
821 | } |
829 | } |
822 | |
830 | |
|
|
831 | case REQ_GROUP: |
|
|
832 | case REQ_NOP: |
823 | case REQ_QUIT: |
833 | case REQ_QUIT: |
824 | break; |
834 | break; |
825 | |
835 | |
826 | default: |
836 | default: |
827 | req->result = ENOSYS; |
837 | req->result = ENOSYS; |
… | |
… | |
1210 | req_send (req); |
1220 | req_send (req); |
1211 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1221 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1212 | } |
1222 | } |
1213 | |
1223 | |
1214 | 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 |
1215 | flush () |
1237 | flush () |
1216 | PROTOTYPE: |
1238 | PROTOTYPE: |
1217 | CODE: |
1239 | CODE: |
1218 | while (nreqs) |
1240 | while (nreqs) |
1219 | { |
1241 | { |
… | |
… | |
1270 | cancel (aio_req_ornot req) |
1292 | cancel (aio_req_ornot req) |
1271 | PROTOTYPE: |
1293 | PROTOTYPE: |
1272 | CODE: |
1294 | CODE: |
1273 | req_cancel (req); |
1295 | req_cancel (req); |
1274 | |
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 | |
1275 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1303 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1276 | |
1304 | |
1277 | void |
1305 | void |
1278 | add (aio_req grp, ...) |
1306 | add (aio_req grp, ...) |
1279 | PPCODE: |
1307 | PPCODE: |
1280 | { |
1308 | { |
1281 | int i; |
1309 | int i; |
|
|
1310 | aio_req req; |
1282 | |
1311 | |
1283 | if (grp->fd == 2) |
1312 | if (grp->fd == 2) |
1284 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1313 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1285 | |
1314 | |
1286 | for (i = 1; i < items; ++i ) |
1315 | for (i = 1; i < items; ++i ) |
1287 | { |
1316 | { |
1288 | if (GIMME_V != G_VOID) |
1317 | if (GIMME_V != G_VOID) |
1289 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1318 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1290 | |
1319 | |
1291 | aio_req req = SvAIO_REQ (ST (i)); |
1320 | req = SvAIO_REQ (ST (i)); |
1292 | |
1321 | |
1293 | if (req) |
1322 | if (req) |
1294 | { |
1323 | { |
1295 | ++grp->length; |
1324 | ++grp->length; |
1296 | req->grp = grp; |
1325 | req->grp = grp; |
… | |
… | |
1319 | SvREFCNT_dec (grp->data); |
1348 | SvREFCNT_dec (grp->data); |
1320 | grp->data = (SV *)av; |
1349 | grp->data = (SV *)av; |
1321 | } |
1350 | } |
1322 | |
1351 | |
1323 | void |
1352 | void |
1324 | lock (aio_req grp) |
|
|
1325 | CODE: |
|
|
1326 | ++grp->length; |
|
|
1327 | |
|
|
1328 | void |
|
|
1329 | unlock (aio_req grp) |
|
|
1330 | CODE: |
|
|
1331 | aio_grp_dec (grp); |
|
|
1332 | |
|
|
1333 | void |
|
|
1334 | feeder_limit (aio_req grp, int limit) |
1353 | feed_limit (aio_req grp, int limit) |
1335 | CODE: |
1354 | CODE: |
1336 | grp->fd2 = limit; |
1355 | grp->fd2 = limit; |
1337 | aio_grp_feed (grp); |
1356 | aio_grp_feed (grp); |
1338 | |
1357 | |
1339 | void |
1358 | void |
1340 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
1359 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1341 | CODE: |
1360 | CODE: |
1342 | { |
1361 | { |
1343 | SvREFCNT_dec (grp->fh2); |
1362 | SvREFCNT_dec (grp->fh2); |
1344 | grp->fh2 = newSVsv (callback); |
1363 | grp->fh2 = newSVsv (callback); |
1345 | |
1364 | |