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… | |
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; |
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70 | |
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71 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
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70 | |
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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; |
… | |
… | |
106 | static void req_free (aio_req req); |
106 | static void req_free (aio_req req); |
107 | |
107 | |
108 | /* must be called at most once */ |
108 | /* must be called at most once */ |
109 | static SV *req_sv (aio_req req, const char *klass) |
109 | static SV *req_sv (aio_req req, const char *klass) |
110 | { |
110 | { |
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111 | if (!req->self) |
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112 | { |
111 | req->self = (SV *)newHV (); |
113 | req->self = (SV *)newHV (); |
112 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
114 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
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|
115 | } |
113 | |
116 | |
114 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
117 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
115 | } |
118 | } |
116 | |
119 | |
117 | static aio_req SvAIO_REQ (SV *sv) |
120 | static aio_req SvAIO_REQ (SV *sv) |
… | |
… | |
120 | croak ("object of class " AIO_REQ_KLASS " expected"); |
123 | croak ("object of class " AIO_REQ_KLASS " expected"); |
121 | |
124 | |
122 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
125 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
123 | |
126 | |
124 | return mg ? (aio_req)mg->mg_ptr : 0; |
127 | return mg ? (aio_req)mg->mg_ptr : 0; |
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128 | } |
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129 | |
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130 | static void aio_grp_feed (aio_req grp) |
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131 | { |
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132 | while (grp->length < grp->fd2) |
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133 | { |
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134 | int old_len = grp->length; |
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135 | |
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136 | if (grp->fh2 && SvOK (grp->fh2)) |
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137 | { |
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138 | dSP; |
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139 | |
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140 | ENTER; |
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141 | SAVETMPS; |
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142 | PUSHMARK (SP); |
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143 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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144 | PUTBACK; |
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145 | call_sv (grp->fh2, G_VOID | G_EVAL); |
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146 | SPAGAIN; |
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147 | FREETMPS; |
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148 | LEAVE; |
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149 | } |
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150 | |
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151 | /* stop if no progress has been made */ |
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152 | if (old_len == grp->length) |
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153 | { |
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154 | SvREFCNT_dec (grp->fh2); |
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155 | grp->fh2 = 0; |
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156 | break; |
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157 | } |
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158 | } |
125 | } |
159 | } |
126 | |
160 | |
127 | static void poll_wait () |
161 | static void poll_wait () |
128 | { |
162 | { |
129 | if (nreqs && !ress) |
163 | if (nreqs && !ress) |
… | |
… | |
145 | return; |
179 | return; |
146 | |
180 | |
147 | errno = req->errorno; |
181 | errno = req->errorno; |
148 | |
182 | |
149 | ENTER; |
183 | ENTER; |
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184 | SAVETMPS; |
150 | PUSHMARK (SP); |
185 | PUSHMARK (SP); |
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186 | EXTEND (SP, 1); |
151 | |
187 | |
152 | switch (req->type) |
188 | switch (req->type) |
153 | { |
189 | { |
154 | case REQ_READDIR: |
190 | case REQ_READDIR: |
155 | { |
191 | { |
… | |
… | |
170 | } |
206 | } |
171 | |
207 | |
172 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
208 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
173 | } |
209 | } |
174 | |
210 | |
175 | XPUSHs (rv); |
211 | PUSHs (rv); |
176 | } |
212 | } |
177 | break; |
213 | break; |
178 | |
214 | |
179 | case REQ_OPEN: |
215 | case REQ_OPEN: |
180 | { |
216 | { |
181 | /* convert fd to fh */ |
217 | /* convert fd to fh */ |
182 | SV *fh; |
218 | SV *fh; |
183 | |
219 | |
184 | XPUSHs (sv_2mortal (newSViv (req->result))); |
220 | PUSHs (sv_2mortal (newSViv (req->result))); |
185 | PUTBACK; |
221 | PUTBACK; |
186 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
222 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
187 | SPAGAIN; |
223 | SPAGAIN; |
188 | |
224 | |
189 | fh = SvREFCNT_inc (POPs); |
225 | fh = SvREFCNT_inc (POPs); |
… | |
… | |
191 | PUSHMARK (SP); |
227 | PUSHMARK (SP); |
192 | XPUSHs (sv_2mortal (fh)); |
228 | XPUSHs (sv_2mortal (fh)); |
193 | } |
229 | } |
194 | break; |
230 | break; |
195 | |
231 | |
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232 | case REQ_GROUP: |
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233 | req->fd = 2; /* mark group as finished */ |
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234 | |
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235 | if (req->data) |
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236 | { |
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237 | int i; |
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238 | AV *av = (AV *)req->data; |
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239 | |
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240 | EXTEND (SP, AvFILL (av) + 1); |
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241 | for (i = 0; i <= AvFILL (av); ++i) |
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242 | PUSHs (*av_fetch (av, i, 0)); |
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243 | } |
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244 | break; |
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245 | |
196 | case REQ_SLEEP: |
246 | case REQ_SLEEP: |
197 | case REQ_GROUP: |
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198 | break; |
247 | break; |
199 | |
248 | |
200 | default: |
249 | default: |
201 | XPUSHs (sv_2mortal (newSViv (req->result))); |
250 | PUSHs (sv_2mortal (newSViv (req->result))); |
202 | break; |
251 | break; |
203 | } |
252 | } |
204 | |
253 | |
205 | |
254 | |
206 | PUTBACK; |
255 | PUTBACK; |
… | |
… | |
211 | { |
260 | { |
212 | req_free (req); |
261 | req_free (req); |
213 | croak (0); |
262 | croak (0); |
214 | } |
263 | } |
215 | |
264 | |
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265 | FREETMPS; |
216 | LEAVE; |
266 | LEAVE; |
217 | |
267 | |
218 | errno = errorno; |
268 | errno = errorno; |
219 | } |
269 | } |
220 | |
270 | |
… | |
… | |
223 | if (req->grp) |
273 | if (req->grp) |
224 | { |
274 | { |
225 | aio_req grp = req->grp; |
275 | aio_req grp = req->grp; |
226 | |
276 | |
227 | /* unlink request */ |
277 | /* unlink request */ |
228 | req->grp_next->grp_prev = req->grp_prev; |
278 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
229 | req->grp_prev->grp_next = req->grp_next; |
279 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
230 | |
280 | |
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281 | if (grp->grp_first == req) |
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282 | grp->grp_first = req->grp_next; |
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283 | |
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284 | --grp->length; |
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285 | |
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286 | /* call feeder, if applicable */ |
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287 | aio_grp_feed (grp); |
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288 | |
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289 | /* finish, if done */ |
231 | if (grp->grp_next == grp && grp->fd) |
290 | if (!grp->length && grp->fd) |
232 | { |
291 | { |
233 | req_invoke (grp); |
292 | req_invoke (grp); |
234 | req_free (grp); |
293 | req_free (grp); |
235 | } |
294 | } |
236 | } |
295 | } |
… | |
… | |
239 | { |
298 | { |
240 | sv_unmagic (req->self, PERL_MAGIC_ext); |
299 | sv_unmagic (req->self, PERL_MAGIC_ext); |
241 | SvREFCNT_dec (req->self); |
300 | SvREFCNT_dec (req->self); |
242 | } |
301 | } |
243 | |
302 | |
244 | if (req->data) |
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|
245 | SvREFCNT_dec (req->data); |
303 | SvREFCNT_dec (req->data); |
246 | |
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|
247 | if (req->fh) |
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248 | SvREFCNT_dec (req->fh); |
304 | SvREFCNT_dec (req->fh); |
249 | |
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|
250 | if (req->fh2) |
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|
251 | SvREFCNT_dec (req->fh2); |
305 | SvREFCNT_dec (req->fh2); |
252 | |
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|
253 | if (req->statdata) |
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254 | Safefree (req->statdata); |
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255 | |
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|
256 | if (req->callback) |
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|
257 | SvREFCNT_dec (req->callback); |
306 | SvREFCNT_dec (req->callback); |
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|
307 | Safefree (req->statdata); |
258 | |
308 | |
259 | if (req->type == REQ_READDIR && req->result >= 0) |
309 | if (req->type == REQ_READDIR && req->result >= 0) |
260 | free (req->data2ptr); |
310 | free (req->data2ptr); |
261 | |
311 | |
262 | Safefree (req); |
312 | Safefree (req); |
… | |
… | |
268 | |
318 | |
269 | if (req->type == REQ_GROUP) |
319 | if (req->type == REQ_GROUP) |
270 | { |
320 | { |
271 | aio_req sub; |
321 | aio_req sub; |
272 | |
322 | |
273 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
323 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
274 | req_cancel (sub); |
324 | req_cancel (sub); |
275 | } |
325 | } |
276 | } |
326 | } |
277 | |
327 | |
278 | static int poll_cb () |
328 | static int poll_cb () |
… | |
… | |
309 | |
359 | |
310 | nreqs--; |
360 | nreqs--; |
311 | |
361 | |
312 | if (req->type == REQ_QUIT) |
362 | if (req->type == REQ_QUIT) |
313 | started--; |
363 | started--; |
314 | else if (req->type == REQ_GROUP && req->grp_next != req) |
364 | else if (req->type == REQ_GROUP && req->length) |
315 | { |
365 | { |
316 | req->fd = 1; /* mark request as delayed */ |
366 | req->fd = 1; /* mark request as delayed */ |
317 | continue; |
367 | continue; |
318 | } |
368 | } |
319 | else |
369 | else |
… | |
… | |
1149 | PROTOTYPE: ;$ |
1199 | PROTOTYPE: ;$ |
1150 | PPCODE: |
1200 | PPCODE: |
1151 | { |
1201 | { |
1152 | dREQ; |
1202 | dREQ; |
1153 | req->type = REQ_GROUP; |
1203 | req->type = REQ_GROUP; |
1154 | req->grp_next = req; |
|
|
1155 | req->grp_prev = req; |
|
|
1156 | |
|
|
1157 | req_send (req); |
1204 | req_send (req); |
1158 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1205 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1159 | } |
1206 | } |
1160 | |
1207 | |
1161 | void |
1208 | void |
… | |
… | |
1207 | CODE: |
1254 | CODE: |
1208 | RETVAL = nreqs; |
1255 | RETVAL = nreqs; |
1209 | OUTPUT: |
1256 | OUTPUT: |
1210 | RETVAL |
1257 | RETVAL |
1211 | |
1258 | |
|
|
1259 | PROTOTYPES: DISABLE |
|
|
1260 | |
1212 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1261 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1213 | |
1262 | |
1214 | void |
1263 | void |
1215 | cancel (aio_req_ornot req) |
1264 | cancel (aio_req_ornot req) |
1216 | PROTOTYPE: |
1265 | PROTOTYPE: |
… | |
… | |
1219 | |
1268 | |
1220 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1269 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1221 | |
1270 | |
1222 | void |
1271 | void |
1223 | add (aio_req grp, ...) |
1272 | add (aio_req grp, ...) |
1224 | PROTOTYPE: $;@ |
|
|
1225 | PPCODE: |
1273 | PPCODE: |
1226 | { |
1274 | { |
1227 | int i; |
1275 | int i; |
|
|
1276 | |
|
|
1277 | if (grp->fd == 2) |
|
|
1278 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1228 | |
1279 | |
1229 | for (i = 1; i < items; ++i ) |
1280 | for (i = 1; i < items; ++i ) |
1230 | { |
1281 | { |
1231 | if (GIMME_V != G_VOID) |
1282 | if (GIMME_V != G_VOID) |
1232 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1283 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1233 | |
1284 | |
1234 | aio_req req = SvAIO_REQ (ST (i)); |
1285 | aio_req req = SvAIO_REQ (ST (i)); |
1235 | |
1286 | |
1236 | if (req) |
1287 | if (req) |
1237 | { |
1288 | { |
1238 | req->grp_prev = grp; |
1289 | ++grp->length; |
1239 | req->grp_next = grp->grp_next; |
|
|
1240 | grp->grp_next->grp_prev = req; |
|
|
1241 | grp->grp_next = req; |
|
|
1242 | |
|
|
1243 | req->grp = grp; |
1290 | req->grp = grp; |
|
|
1291 | |
|
|
1292 | req->grp_prev = 0; |
|
|
1293 | req->grp_next = grp->grp_first; |
|
|
1294 | |
|
|
1295 | if (grp->grp_first) |
|
|
1296 | grp->grp_first->grp_prev = req; |
|
|
1297 | |
|
|
1298 | grp->grp_first = req; |
1244 | } |
1299 | } |
1245 | } |
1300 | } |
1246 | } |
1301 | } |
1247 | |
1302 | |
|
|
1303 | void |
|
|
1304 | result (aio_req grp, ...) |
|
|
1305 | CODE: |
|
|
1306 | { |
|
|
1307 | int i; |
|
|
1308 | AV *av = newAV (); |
|
|
1309 | |
|
|
1310 | for (i = 1; i < items; ++i ) |
|
|
1311 | av_push (av, newSVsv (ST (i))); |
|
|
1312 | |
|
|
1313 | SvREFCNT_dec (grp->data); |
|
|
1314 | grp->data = (SV *)av; |
|
|
1315 | } |
|
|
1316 | |
|
|
1317 | void |
|
|
1318 | feeder_limit (aio_req grp, int limit) |
|
|
1319 | CODE: |
|
|
1320 | grp->fd2 = limit; |
|
|
1321 | aio_grp_feed (grp); |
|
|
1322 | |
|
|
1323 | void |
|
|
1324 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1325 | CODE: |
|
|
1326 | { |
|
|
1327 | SvREFCNT_dec (grp->fh2); |
|
|
1328 | grp->fh2 = newSVsv (callback); |
|
|
1329 | |
|
|
1330 | if (grp->fd2 <= 0) |
|
|
1331 | grp->fd2 = 2; |
|
|
1332 | |
|
|
1333 | aio_grp_feed (grp); |
|
|
1334 | } |
|
|
1335 | |