… | |
… | |
8 | #include "autoconf/config.h" |
8 | #include "autoconf/config.h" |
9 | |
9 | |
10 | #include <pthread.h> |
10 | #include <pthread.h> |
11 | |
11 | |
12 | #include <stddef.h> |
12 | #include <stddef.h> |
|
|
13 | #include <errno.h> |
|
|
14 | #include <sys/time.h> |
|
|
15 | #include <sys/select.h> |
13 | #include <sys/types.h> |
16 | #include <sys/types.h> |
14 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
15 | #include <limits.h> |
18 | #include <limits.h> |
16 | #include <unistd.h> |
19 | #include <unistd.h> |
17 | #include <fcntl.h> |
20 | #include <fcntl.h> |
… | |
… | |
31 | # else |
34 | # else |
32 | # error sendfile support requested but not available |
35 | # error sendfile support requested but not available |
33 | # endif |
36 | # endif |
34 | #endif |
37 | #endif |
35 | |
38 | |
|
|
39 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
40 | #ifndef NAME_MAX |
|
|
41 | # define NAME_MAX 4096 |
|
|
42 | #endif |
|
|
43 | |
36 | #if __ia64 |
44 | #if __ia64 |
37 | # define STACKSIZE 65536 |
45 | # define STACKSIZE 65536 |
38 | #else |
46 | #else |
39 | # define STACKSIZE 8192 |
47 | # define STACKSIZE 8192 |
40 | #endif |
48 | #endif |
… | |
… | |
44 | REQ_OPEN, REQ_CLOSE, |
52 | REQ_OPEN, REQ_CLOSE, |
45 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
46 | REQ_SENDFILE, |
54 | REQ_SENDFILE, |
47 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
48 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
49 | REQ_UNLINK, REQ_RMDIR, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
50 | REQ_READDIR, |
58 | REQ_READDIR, |
51 | REQ_SYMLINK, |
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_GROUP, REQ_NOP, |
|
|
61 | REQ_SLEEP, |
52 | }; |
62 | }; |
53 | |
63 | |
|
|
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
66 | |
54 | typedef struct aio_cb { |
67 | typedef struct aio_cb |
|
|
68 | { |
55 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
56 | |
70 | |
57 | int type; |
71 | SV *data, *callback; |
58 | |
72 | SV *fh, *fh2; |
59 | /* should receive a cleanup, with unions */ |
73 | void *dataptr, *data2ptr; |
60 | int fd, fd2; |
74 | Stat_t *statdata; |
61 | off_t offset; |
75 | off_t offset; |
62 | size_t length; |
76 | size_t length; |
63 | ssize_t result; |
77 | ssize_t result; |
|
|
78 | |
|
|
79 | STRLEN dataoffset; |
|
|
80 | int type; |
|
|
81 | int fd, fd2; |
|
|
82 | int errorno; |
64 | mode_t mode; /* open */ |
83 | mode_t mode; /* open */ |
65 | int errorno; |
|
|
66 | SV *data, *callback; |
|
|
67 | SV *fh, *fh2; |
|
|
68 | void *dataptr, *data2ptr; |
|
|
69 | STRLEN dataoffset; |
|
|
70 | |
84 | |
71 | Stat_t *statdata; |
85 | unsigned char flags; |
|
|
86 | unsigned char pri; |
|
|
87 | |
|
|
88 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
89 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
72 | } aio_cb; |
90 | } aio_cb; |
73 | |
91 | |
|
|
92 | enum { |
|
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93 | FLAG_CANCELLED = 0x01, |
|
|
94 | }; |
|
|
95 | |
74 | typedef aio_cb *aio_req; |
96 | typedef aio_cb *aio_req; |
|
|
97 | typedef aio_cb *aio_req_ornot; |
|
|
98 | |
|
|
99 | enum { |
|
|
100 | PRI_MIN = -4, |
|
|
101 | PRI_MAX = 4, |
|
|
102 | |
|
|
103 | DEFAULT_PRI = 0, |
|
|
104 | PRI_BIAS = -PRI_MIN, |
|
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105 | }; |
|
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106 | |
|
|
107 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
75 | |
108 | |
76 | static int started, wanted; |
109 | static int started, wanted; |
77 | static volatile int nreqs; |
110 | static volatile int nreqs; |
78 | static int max_outstanding = 1<<30; |
111 | static int max_outstanding = 1<<30; |
79 | static int respipe [2]; |
112 | static int respipe [2]; |
… | |
… | |
83 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
116 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
84 | |
117 | |
85 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
118 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
86 | static volatile aio_req ress, rese; /* queue start, queue end */ |
119 | static volatile aio_req ress, rese; /* queue start, queue end */ |
87 | |
120 | |
|
|
121 | static void req_invoke (aio_req req); |
88 | static void free_req (aio_req req) |
122 | static void req_free (aio_req req); |
89 | { |
|
|
90 | if (req->data) |
|
|
91 | SvREFCNT_dec (req->data); |
|
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92 | |
123 | |
|
|
124 | /* must be called at most once */ |
|
|
125 | static SV *req_sv (aio_req req, const char *klass) |
|
|
126 | { |
93 | if (req->fh) |
127 | if (!req->self) |
94 | SvREFCNT_dec (req->fh); |
128 | { |
|
|
129 | req->self = (SV *)newHV (); |
|
|
130 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
131 | } |
95 | |
132 | |
96 | if (req->fh2) |
133 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
|
|
134 | } |
|
|
135 | |
|
|
136 | static aio_req SvAIO_REQ (SV *sv) |
|
|
137 | { |
|
|
138 | MAGIC *mg; |
|
|
139 | |
|
|
140 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
|
|
141 | croak ("object of class " AIO_REQ_KLASS " expected"); |
|
|
142 | |
|
|
143 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
|
144 | |
|
|
145 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
146 | } |
|
|
147 | |
|
|
148 | static void aio_grp_feed (aio_req grp) |
|
|
149 | { |
|
|
150 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
151 | { |
|
|
152 | int old_len = grp->length; |
|
|
153 | |
|
|
154 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
155 | { |
|
|
156 | dSP; |
|
|
157 | |
|
|
158 | ENTER; |
|
|
159 | SAVETMPS; |
|
|
160 | PUSHMARK (SP); |
|
|
161 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
162 | PUTBACK; |
|
|
163 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
|
164 | SPAGAIN; |
|
|
165 | FREETMPS; |
|
|
166 | LEAVE; |
|
|
167 | } |
|
|
168 | |
|
|
169 | /* stop if no progress has been made */ |
|
|
170 | if (old_len == grp->length) |
|
|
171 | { |
97 | SvREFCNT_dec (req->fh2); |
172 | SvREFCNT_dec (grp->fh2); |
98 | |
173 | grp->fh2 = 0; |
99 | if (req->statdata) |
174 | break; |
100 | Safefree (req->statdata); |
175 | } |
101 | |
|
|
102 | if (req->callback) |
|
|
103 | SvREFCNT_dec (req->callback); |
|
|
104 | |
|
|
105 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
106 | free (req->data2ptr); |
|
|
107 | |
|
|
108 | Safefree (req); |
|
|
109 | } |
|
|
110 | |
|
|
111 | static void |
|
|
112 | poll_wait () |
|
|
113 | { |
|
|
114 | if (nreqs && !ress) |
|
|
115 | { |
176 | } |
|
|
177 | } |
|
|
178 | |
|
|
179 | static void aio_grp_dec (aio_req grp) |
|
|
180 | { |
|
|
181 | --grp->length; |
|
|
182 | |
|
|
183 | /* call feeder, if applicable */ |
|
|
184 | aio_grp_feed (grp); |
|
|
185 | |
|
|
186 | /* finish, if done */ |
|
|
187 | if (!grp->length && grp->fd) |
|
|
188 | { |
|
|
189 | req_invoke (grp); |
|
|
190 | req_free (grp); |
|
|
191 | } |
|
|
192 | } |
|
|
193 | |
|
|
194 | static void poll_wait () |
|
|
195 | { |
|
|
196 | while (nreqs) |
|
|
197 | { |
|
|
198 | aio_req req; |
|
|
199 | pthread_mutex_lock (&reslock); |
|
|
200 | req = ress; |
|
|
201 | pthread_mutex_unlock (&reslock); |
|
|
202 | |
|
|
203 | if (req) |
|
|
204 | return; |
|
|
205 | |
116 | fd_set rfd; |
206 | fd_set rfd; |
117 | FD_ZERO(&rfd); |
207 | FD_ZERO(&rfd); |
118 | FD_SET(respipe [0], &rfd); |
208 | FD_SET(respipe [0], &rfd); |
119 | |
209 | |
120 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
210 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
121 | } |
211 | } |
122 | } |
212 | } |
123 | |
213 | |
124 | static int |
214 | static void req_invoke (aio_req req) |
125 | poll_cb () |
215 | { |
|
|
216 | dSP; |
|
|
217 | int errorno = errno; |
|
|
218 | |
|
|
219 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
|
|
220 | return; |
|
|
221 | |
|
|
222 | errno = req->errorno; |
|
|
223 | |
|
|
224 | ENTER; |
|
|
225 | SAVETMPS; |
|
|
226 | PUSHMARK (SP); |
|
|
227 | EXTEND (SP, 1); |
|
|
228 | |
|
|
229 | switch (req->type) |
|
|
230 | { |
|
|
231 | case REQ_READDIR: |
|
|
232 | { |
|
|
233 | SV *rv = &PL_sv_undef; |
|
|
234 | |
|
|
235 | if (req->result >= 0) |
|
|
236 | { |
|
|
237 | char *buf = req->data2ptr; |
|
|
238 | AV *av = newAV (); |
|
|
239 | |
|
|
240 | while (req->result) |
|
|
241 | { |
|
|
242 | SV *sv = newSVpv (buf, 0); |
|
|
243 | |
|
|
244 | av_push (av, sv); |
|
|
245 | buf += SvCUR (sv) + 1; |
|
|
246 | req->result--; |
|
|
247 | } |
|
|
248 | |
|
|
249 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
250 | } |
|
|
251 | |
|
|
252 | PUSHs (rv); |
|
|
253 | } |
|
|
254 | break; |
|
|
255 | |
|
|
256 | case REQ_OPEN: |
|
|
257 | { |
|
|
258 | /* convert fd to fh */ |
|
|
259 | SV *fh; |
|
|
260 | |
|
|
261 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
262 | PUTBACK; |
|
|
263 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
264 | SPAGAIN; |
|
|
265 | |
|
|
266 | fh = SvREFCNT_inc (POPs); |
|
|
267 | |
|
|
268 | PUSHMARK (SP); |
|
|
269 | XPUSHs (sv_2mortal (fh)); |
|
|
270 | } |
|
|
271 | break; |
|
|
272 | |
|
|
273 | case REQ_GROUP: |
|
|
274 | req->fd = 2; /* mark group as finished */ |
|
|
275 | |
|
|
276 | if (req->data) |
|
|
277 | { |
|
|
278 | int i; |
|
|
279 | AV *av = (AV *)req->data; |
|
|
280 | |
|
|
281 | EXTEND (SP, AvFILL (av) + 1); |
|
|
282 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
283 | PUSHs (*av_fetch (av, i, 0)); |
|
|
284 | } |
|
|
285 | break; |
|
|
286 | |
|
|
287 | case REQ_NOP: |
|
|
288 | case REQ_SLEEP: |
|
|
289 | break; |
|
|
290 | |
|
|
291 | default: |
|
|
292 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
293 | break; |
|
|
294 | } |
|
|
295 | |
|
|
296 | |
|
|
297 | PUTBACK; |
|
|
298 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
299 | SPAGAIN; |
|
|
300 | |
|
|
301 | FREETMPS; |
|
|
302 | LEAVE; |
|
|
303 | |
|
|
304 | errno = errorno; |
|
|
305 | |
|
|
306 | if (SvTRUE (ERRSV)) |
|
|
307 | { |
|
|
308 | req_free (req); |
|
|
309 | croak (0); |
|
|
310 | } |
|
|
311 | } |
|
|
312 | |
|
|
313 | static void req_free (aio_req req) |
|
|
314 | { |
|
|
315 | if (req->grp) |
|
|
316 | { |
|
|
317 | aio_req grp = req->grp; |
|
|
318 | |
|
|
319 | /* unlink request */ |
|
|
320 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
321 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
322 | |
|
|
323 | if (grp->grp_first == req) |
|
|
324 | grp->grp_first = req->grp_next; |
|
|
325 | |
|
|
326 | aio_grp_dec (grp); |
|
|
327 | } |
|
|
328 | |
|
|
329 | if (req->self) |
|
|
330 | { |
|
|
331 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
332 | SvREFCNT_dec (req->self); |
|
|
333 | } |
|
|
334 | |
|
|
335 | SvREFCNT_dec (req->data); |
|
|
336 | SvREFCNT_dec (req->fh); |
|
|
337 | SvREFCNT_dec (req->fh2); |
|
|
338 | SvREFCNT_dec (req->callback); |
|
|
339 | Safefree (req->statdata); |
|
|
340 | |
|
|
341 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
342 | free (req->data2ptr); |
|
|
343 | |
|
|
344 | Safefree (req); |
|
|
345 | } |
|
|
346 | |
|
|
347 | static void req_cancel (aio_req req) |
|
|
348 | { |
|
|
349 | req->flags |= FLAG_CANCELLED; |
|
|
350 | |
|
|
351 | if (req->type == REQ_GROUP) |
|
|
352 | { |
|
|
353 | aio_req sub; |
|
|
354 | |
|
|
355 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
356 | req_cancel (sub); |
|
|
357 | } |
|
|
358 | } |
|
|
359 | |
|
|
360 | static int poll_cb () |
126 | { |
361 | { |
127 | dSP; |
362 | dSP; |
128 | int count = 0; |
363 | int count = 0; |
129 | int do_croak = 0; |
364 | int do_croak = 0; |
130 | aio_req req; |
365 | aio_req req; |
… | |
… | |
152 | pthread_mutex_unlock (&reslock); |
387 | pthread_mutex_unlock (&reslock); |
153 | |
388 | |
154 | if (!req) |
389 | if (!req) |
155 | break; |
390 | break; |
156 | |
391 | |
157 | nreqs--; |
392 | --nreqs; |
158 | |
393 | |
159 | if (req->type == REQ_QUIT) |
394 | if (req->type == REQ_QUIT) |
160 | started--; |
395 | started--; |
|
|
396 | else if (req->type == REQ_GROUP && req->length) |
|
|
397 | { |
|
|
398 | req->fd = 1; /* mark request as delayed */ |
|
|
399 | continue; |
|
|
400 | } |
161 | else |
401 | else |
162 | { |
402 | { |
163 | int errorno = errno; |
|
|
164 | errno = req->errorno; |
|
|
165 | |
|
|
166 | if (req->type == REQ_READ) |
403 | if (req->type == REQ_READ) |
167 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
404 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
168 | |
405 | |
169 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
406 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
170 | SvREADONLY_off (req->data); |
407 | SvREADONLY_off (req->data); |
… | |
… | |
174 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
411 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
175 | PL_laststatval = req->result; |
412 | PL_laststatval = req->result; |
176 | PL_statcache = *(req->statdata); |
413 | PL_statcache = *(req->statdata); |
177 | } |
414 | } |
178 | |
415 | |
179 | ENTER; |
416 | req_invoke (req); |
180 | PUSHMARK (SP); |
|
|
181 | |
417 | |
182 | if (req->type == REQ_READDIR) |
|
|
183 | { |
|
|
184 | SV *rv = &PL_sv_undef; |
|
|
185 | |
|
|
186 | if (req->result >= 0) |
|
|
187 | { |
|
|
188 | char *buf = req->data2ptr; |
|
|
189 | AV *av = newAV (); |
|
|
190 | |
|
|
191 | while (req->result) |
|
|
192 | { |
|
|
193 | SV *sv = newSVpv (buf, 0); |
|
|
194 | |
|
|
195 | av_push (av, sv); |
|
|
196 | buf += SvCUR (sv) + 1; |
|
|
197 | req->result--; |
|
|
198 | } |
|
|
199 | |
|
|
200 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
201 | } |
|
|
202 | |
|
|
203 | XPUSHs (rv); |
|
|
204 | } |
|
|
205 | else |
|
|
206 | { |
|
|
207 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
208 | |
|
|
209 | if (req->type == REQ_OPEN) |
|
|
210 | { |
|
|
211 | /* convert fd to fh */ |
|
|
212 | SV *fh; |
|
|
213 | |
|
|
214 | PUTBACK; |
|
|
215 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
216 | SPAGAIN; |
|
|
217 | |
|
|
218 | fh = SvREFCNT_inc (POPs); |
|
|
219 | |
|
|
220 | PUSHMARK (SP); |
|
|
221 | XPUSHs (sv_2mortal (fh)); |
|
|
222 | } |
|
|
223 | } |
|
|
224 | |
|
|
225 | if (SvOK (req->callback)) |
|
|
226 | { |
|
|
227 | PUTBACK; |
|
|
228 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
229 | SPAGAIN; |
|
|
230 | |
|
|
231 | if (SvTRUE (ERRSV)) |
|
|
232 | { |
|
|
233 | free_req (req); |
|
|
234 | croak (0); |
|
|
235 | } |
|
|
236 | } |
|
|
237 | |
|
|
238 | LEAVE; |
|
|
239 | |
|
|
240 | errno = errorno; |
|
|
241 | count++; |
418 | count++; |
242 | } |
419 | } |
243 | |
420 | |
244 | free_req (req); |
421 | req_free (req); |
245 | } |
422 | } |
246 | |
423 | |
247 | return count; |
424 | return count; |
248 | } |
425 | } |
249 | |
426 | |
250 | static void *aio_proc(void *arg); |
427 | static void *aio_proc(void *arg); |
251 | |
428 | |
252 | static void |
|
|
253 | start_thread (void) |
429 | static void start_thread (void) |
254 | { |
430 | { |
255 | sigset_t fullsigset, oldsigset; |
431 | sigset_t fullsigset, oldsigset; |
256 | pthread_t tid; |
432 | pthread_t tid; |
257 | pthread_attr_t attr; |
433 | pthread_attr_t attr; |
258 | |
434 | |
… | |
… | |
267 | started++; |
443 | started++; |
268 | |
444 | |
269 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
445 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
270 | } |
446 | } |
271 | |
447 | |
272 | static void |
448 | static void req_send (aio_req req) |
273 | send_req (aio_req req) |
|
|
274 | { |
449 | { |
275 | while (started < wanted && nreqs >= started) |
450 | while (started < wanted && nreqs >= started) |
276 | start_thread (); |
451 | start_thread (); |
277 | |
452 | |
278 | nreqs++; |
453 | ++nreqs; |
279 | |
454 | |
280 | pthread_mutex_lock (&reqlock); |
455 | pthread_mutex_lock (&reqlock); |
281 | |
456 | |
282 | req->next = 0; |
457 | req->next = 0; |
283 | |
458 | |
… | |
… | |
302 | |
477 | |
303 | poll_wait (); |
478 | poll_wait (); |
304 | } |
479 | } |
305 | } |
480 | } |
306 | |
481 | |
307 | static void |
482 | static void end_thread (void) |
308 | end_thread (void) |
|
|
309 | { |
483 | { |
310 | aio_req req; |
484 | aio_req req; |
311 | Newz (0, req, 1, aio_cb); |
485 | Newz (0, req, 1, aio_cb); |
312 | req->type = REQ_QUIT; |
486 | req->type = REQ_QUIT; |
313 | |
487 | |
314 | send_req (req); |
488 | req_send (req); |
315 | } |
489 | } |
316 | |
490 | |
317 | static void min_parallel (int nthreads) |
491 | static void min_parallel (int nthreads) |
318 | { |
492 | { |
319 | if (wanted < nthreads) |
493 | if (wanted < nthreads) |
… | |
… | |
364 | * normal read/write by using a mutex. slows down execution a lot, |
538 | * normal read/write by using a mutex. slows down execution a lot, |
365 | * but that's your problem, not mine. |
539 | * but that's your problem, not mine. |
366 | */ |
540 | */ |
367 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
541 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
368 | |
542 | |
369 | static ssize_t |
543 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
370 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
371 | { |
544 | { |
372 | ssize_t res; |
545 | ssize_t res; |
373 | off_t ooffset; |
546 | off_t ooffset; |
374 | |
547 | |
375 | pthread_mutex_lock (&preadwritelock); |
548 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
380 | pthread_mutex_unlock (&preadwritelock); |
553 | pthread_mutex_unlock (&preadwritelock); |
381 | |
554 | |
382 | return res; |
555 | return res; |
383 | } |
556 | } |
384 | |
557 | |
385 | static ssize_t |
|
|
386 | pwrite (int fd, void *buf, size_t count, off_t offset) |
558 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
387 | { |
559 | { |
388 | ssize_t res; |
560 | ssize_t res; |
389 | off_t ooffset; |
561 | off_t ooffset; |
390 | |
562 | |
391 | pthread_mutex_lock (&preadwritelock); |
563 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
404 | #endif |
576 | #endif |
405 | |
577 | |
406 | #if !HAVE_READAHEAD |
578 | #if !HAVE_READAHEAD |
407 | # define readahead aio_readahead |
579 | # define readahead aio_readahead |
408 | |
580 | |
409 | static ssize_t |
|
|
410 | readahead (int fd, off_t offset, size_t count) |
581 | static ssize_t readahead (int fd, off_t offset, size_t count) |
411 | { |
582 | { |
412 | char readahead_buf[4096]; |
583 | char readahead_buf[4096]; |
413 | |
584 | |
414 | while (count > 0) |
585 | while (count > 0) |
415 | { |
586 | { |
… | |
… | |
427 | #if !HAVE_READDIR_R |
598 | #if !HAVE_READDIR_R |
428 | # define readdir_r aio_readdir_r |
599 | # define readdir_r aio_readdir_r |
429 | |
600 | |
430 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
601 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
431 | |
602 | |
432 | static int |
|
|
433 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
603 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
434 | { |
604 | { |
435 | struct dirent *e; |
605 | struct dirent *e; |
436 | int errorno; |
606 | int errorno; |
437 | |
607 | |
438 | pthread_mutex_lock (&readdirlock); |
608 | pthread_mutex_lock (&readdirlock); |
… | |
… | |
454 | return e ? 0 : -1; |
624 | return e ? 0 : -1; |
455 | } |
625 | } |
456 | #endif |
626 | #endif |
457 | |
627 | |
458 | /* sendfile always needs emulation */ |
628 | /* sendfile always needs emulation */ |
459 | static ssize_t |
|
|
460 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
629 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
461 | { |
630 | { |
462 | ssize_t res; |
631 | ssize_t res; |
463 | |
632 | |
464 | if (!count) |
633 | if (!count) |
465 | return 0; |
634 | return 0; |
… | |
… | |
547 | |
716 | |
548 | return res; |
717 | return res; |
549 | } |
718 | } |
550 | |
719 | |
551 | /* read a full directory */ |
720 | /* read a full directory */ |
552 | static int |
|
|
553 | scandir_ (const char *path, void **namesp) |
721 | static int scandir_ (const char *path, void **namesp) |
554 | { |
722 | { |
555 | DIR *dirp = opendir (path); |
723 | DIR *dirp = opendir (path); |
556 | union |
724 | union |
557 | { |
725 | { |
558 | struct dirent d; |
726 | struct dirent d; |
… | |
… | |
612 | return res; |
780 | return res; |
613 | } |
781 | } |
614 | |
782 | |
615 | /*****************************************************************************/ |
783 | /*****************************************************************************/ |
616 | |
784 | |
617 | static void * |
|
|
618 | aio_proc (void *thr_arg) |
785 | static void *aio_proc (void *thr_arg) |
619 | { |
786 | { |
620 | aio_req req; |
787 | aio_req req; |
621 | int type; |
788 | int type; |
622 | |
789 | |
623 | do |
790 | do |
… | |
… | |
641 | } |
808 | } |
642 | |
809 | |
643 | pthread_mutex_unlock (&reqlock); |
810 | pthread_mutex_unlock (&reqlock); |
644 | |
811 | |
645 | errno = 0; /* strictly unnecessary */ |
812 | errno = 0; /* strictly unnecessary */ |
|
|
813 | type = req->type; /* remember type for QUIT check */ |
646 | |
814 | |
647 | type = req->type; |
815 | if (!(req->flags & FLAG_CANCELLED)) |
648 | |
|
|
649 | switch (type) |
816 | switch (type) |
650 | { |
817 | { |
651 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
818 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
652 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
819 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
653 | |
820 | |
654 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
821 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
655 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
822 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
656 | |
823 | |
657 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
824 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
658 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
825 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
659 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
826 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
660 | |
827 | |
661 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
828 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
662 | case REQ_CLOSE: req->result = close (req->fd); break; |
829 | case REQ_CLOSE: req->result = close (req->fd); break; |
663 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
830 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
664 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
831 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
832 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
833 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
665 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
834 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
666 | |
835 | |
667 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
836 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
668 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
837 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
669 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
838 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
670 | |
839 | |
|
|
840 | case REQ_SLEEP: |
|
|
841 | { |
|
|
842 | struct timeval tv; |
|
|
843 | |
|
|
844 | tv.tv_sec = req->fd; |
|
|
845 | tv.tv_usec = req->fd2; |
|
|
846 | |
|
|
847 | req->result = select (0, 0, 0, 0, &tv); |
|
|
848 | } |
|
|
849 | |
|
|
850 | case REQ_GROUP: |
|
|
851 | case REQ_NOP: |
671 | case REQ_QUIT: |
852 | case REQ_QUIT: |
672 | break; |
853 | break; |
673 | |
854 | |
674 | default: |
855 | default: |
675 | req->result = ENOSYS; |
856 | req->result = ENOSYS; |
676 | break; |
857 | break; |
677 | } |
858 | } |
678 | |
859 | |
679 | req->errorno = errno; |
860 | req->errorno = errno; |
680 | |
861 | |
681 | pthread_mutex_lock (&reslock); |
862 | pthread_mutex_lock (&reslock); |
682 | |
863 | |
… | |
… | |
736 | |
917 | |
737 | while (reqs) |
918 | while (reqs) |
738 | { |
919 | { |
739 | prv = reqs; |
920 | prv = reqs; |
740 | reqs = prv->next; |
921 | reqs = prv->next; |
741 | free_req (prv); |
922 | req_free (prv); |
742 | } |
923 | } |
743 | |
924 | |
744 | reqs = reqe = 0; |
925 | reqs = reqe = 0; |
745 | |
926 | |
746 | while (ress) |
927 | while (ress) |
747 | { |
928 | { |
748 | prv = ress; |
929 | prv = ress; |
749 | ress = prv->next; |
930 | ress = prv->next; |
750 | free_req (prv); |
931 | req_free (prv); |
751 | } |
932 | } |
752 | |
933 | |
753 | ress = rese = 0; |
934 | ress = rese = 0; |
754 | |
935 | |
755 | close (respipe [0]); |
936 | close (respipe [0]); |
… | |
… | |
759 | atfork_parent (); |
940 | atfork_parent (); |
760 | } |
941 | } |
761 | |
942 | |
762 | #define dREQ \ |
943 | #define dREQ \ |
763 | aio_req req; \ |
944 | aio_req req; \ |
|
|
945 | int req_pri = next_pri; \ |
|
|
946 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
764 | \ |
947 | \ |
765 | if (SvOK (callback) && !SvROK (callback)) \ |
948 | if (SvOK (callback) && !SvROK (callback)) \ |
766 | croak ("clalback must be undef or of reference type"); \ |
949 | croak ("callback must be undef or of reference type"); \ |
767 | \ |
950 | \ |
768 | Newz (0, req, 1, aio_cb); \ |
951 | Newz (0, req, 1, aio_cb); \ |
769 | if (!req) \ |
952 | if (!req) \ |
770 | croak ("out of memory during aio_req allocation"); \ |
953 | croak ("out of memory during aio_req allocation"); \ |
771 | \ |
954 | \ |
772 | req->callback = newSVsv (callback); |
955 | req->callback = newSVsv (callback); \ |
|
|
956 | req->pri = req_pri |
|
|
957 | |
|
|
958 | #define REQ_SEND \ |
|
|
959 | req_send (req); \ |
|
|
960 | \ |
|
|
961 | if (GIMME_V != G_VOID) \ |
|
|
962 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
773 | |
963 | |
774 | MODULE = IO::AIO PACKAGE = IO::AIO |
964 | MODULE = IO::AIO PACKAGE = IO::AIO |
775 | |
965 | |
776 | PROTOTYPES: ENABLE |
966 | PROTOTYPES: ENABLE |
777 | |
967 | |
778 | BOOT: |
968 | BOOT: |
779 | { |
969 | { |
|
|
970 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
971 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
972 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
973 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
974 | |
780 | create_pipe (); |
975 | create_pipe (); |
781 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
976 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
782 | } |
977 | } |
783 | |
978 | |
784 | void |
979 | void |
785 | min_parallel(nthreads) |
980 | min_parallel (nthreads) |
786 | int nthreads |
981 | int nthreads |
787 | PROTOTYPE: $ |
982 | PROTOTYPE: $ |
788 | |
983 | |
789 | void |
984 | void |
790 | max_parallel(nthreads) |
985 | max_parallel (nthreads) |
791 | int nthreads |
986 | int nthreads |
792 | PROTOTYPE: $ |
987 | PROTOTYPE: $ |
793 | |
988 | |
794 | int |
989 | int |
795 | max_outstanding(nreqs) |
990 | max_outstanding (nreqs) |
796 | int nreqs |
991 | int nreqs |
797 | PROTOTYPE: $ |
992 | PROTOTYPE: $ |
798 | CODE: |
993 | CODE: |
799 | RETVAL = max_outstanding; |
994 | RETVAL = max_outstanding; |
800 | max_outstanding = nreqs; |
995 | max_outstanding = nreqs; |
801 | |
996 | |
802 | void |
997 | void |
803 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
998 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
804 | SV * pathname |
999 | SV * pathname |
805 | int flags |
1000 | int flags |
806 | int mode |
1001 | int mode |
807 | SV * callback |
1002 | SV * callback |
808 | PROTOTYPE: $$$;$ |
1003 | PROTOTYPE: $$$;$ |
809 | CODE: |
1004 | PPCODE: |
810 | { |
1005 | { |
811 | dREQ; |
1006 | dREQ; |
812 | |
1007 | |
813 | req->type = REQ_OPEN; |
1008 | req->type = REQ_OPEN; |
814 | req->data = newSVsv (pathname); |
1009 | req->data = newSVsv (pathname); |
815 | req->dataptr = SvPVbyte_nolen (req->data); |
1010 | req->dataptr = SvPVbyte_nolen (req->data); |
816 | req->fd = flags; |
1011 | req->fd = flags; |
817 | req->mode = mode; |
1012 | req->mode = mode; |
818 | |
1013 | |
819 | send_req (req); |
1014 | REQ_SEND; |
820 | } |
1015 | } |
821 | |
1016 | |
822 | void |
1017 | void |
823 | aio_close(fh,callback=&PL_sv_undef) |
1018 | aio_close (fh,callback=&PL_sv_undef) |
824 | SV * fh |
1019 | SV * fh |
825 | SV * callback |
1020 | SV * callback |
826 | PROTOTYPE: $;$ |
1021 | PROTOTYPE: $;$ |
827 | ALIAS: |
1022 | ALIAS: |
828 | aio_close = REQ_CLOSE |
1023 | aio_close = REQ_CLOSE |
829 | aio_fsync = REQ_FSYNC |
1024 | aio_fsync = REQ_FSYNC |
830 | aio_fdatasync = REQ_FDATASYNC |
1025 | aio_fdatasync = REQ_FDATASYNC |
831 | CODE: |
1026 | PPCODE: |
832 | { |
1027 | { |
833 | dREQ; |
1028 | dREQ; |
834 | |
1029 | |
835 | req->type = ix; |
1030 | req->type = ix; |
836 | req->fh = newSVsv (fh); |
1031 | req->fh = newSVsv (fh); |
837 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1032 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
838 | |
1033 | |
839 | send_req (req); |
1034 | REQ_SEND (req); |
840 | } |
1035 | } |
841 | |
1036 | |
842 | void |
1037 | void |
843 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1038 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
844 | SV * fh |
1039 | SV * fh |
845 | UV offset |
1040 | UV offset |
846 | UV length |
1041 | UV length |
847 | SV * data |
1042 | SV * data |
848 | UV dataoffset |
1043 | UV dataoffset |
849 | SV * callback |
1044 | SV * callback |
850 | ALIAS: |
1045 | ALIAS: |
851 | aio_read = REQ_READ |
1046 | aio_read = REQ_READ |
852 | aio_write = REQ_WRITE |
1047 | aio_write = REQ_WRITE |
853 | PROTOTYPE: $$$$$;$ |
1048 | PROTOTYPE: $$$$$;$ |
854 | CODE: |
1049 | PPCODE: |
855 | { |
1050 | { |
856 | aio_req req; |
1051 | aio_req req; |
857 | STRLEN svlen; |
1052 | STRLEN svlen; |
858 | char *svptr = SvPVbyte (data, svlen); |
1053 | char *svptr = SvPVbyte (data, svlen); |
859 | |
1054 | |
… | |
… | |
897 | { |
1092 | { |
898 | SvREADONLY_on (data); |
1093 | SvREADONLY_on (data); |
899 | req->data2ptr = (void *)data; |
1094 | req->data2ptr = (void *)data; |
900 | } |
1095 | } |
901 | |
1096 | |
902 | send_req (req); |
1097 | REQ_SEND; |
903 | } |
1098 | } |
904 | } |
1099 | } |
905 | |
1100 | |
906 | void |
1101 | void |
907 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1102 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
908 | SV * out_fh |
1103 | SV * out_fh |
909 | SV * in_fh |
1104 | SV * in_fh |
910 | UV in_offset |
1105 | UV in_offset |
911 | UV length |
1106 | UV length |
912 | SV * callback |
1107 | SV * callback |
913 | PROTOTYPE: $$$$;$ |
1108 | PROTOTYPE: $$$$;$ |
914 | CODE: |
1109 | PPCODE: |
915 | { |
1110 | { |
916 | dREQ; |
1111 | dREQ; |
917 | |
1112 | |
918 | req->type = REQ_SENDFILE; |
1113 | req->type = REQ_SENDFILE; |
919 | req->fh = newSVsv (out_fh); |
1114 | req->fh = newSVsv (out_fh); |
… | |
… | |
921 | req->fh2 = newSVsv (in_fh); |
1116 | req->fh2 = newSVsv (in_fh); |
922 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1117 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
923 | req->offset = in_offset; |
1118 | req->offset = in_offset; |
924 | req->length = length; |
1119 | req->length = length; |
925 | |
1120 | |
926 | send_req (req); |
1121 | REQ_SEND; |
927 | } |
1122 | } |
928 | |
1123 | |
929 | void |
1124 | void |
930 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1125 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
931 | SV * fh |
1126 | SV * fh |
932 | UV offset |
1127 | UV offset |
933 | IV length |
1128 | IV length |
934 | SV * callback |
1129 | SV * callback |
935 | PROTOTYPE: $$$;$ |
1130 | PROTOTYPE: $$$;$ |
936 | CODE: |
1131 | PPCODE: |
937 | { |
1132 | { |
938 | dREQ; |
1133 | dREQ; |
939 | |
1134 | |
940 | req->type = REQ_READAHEAD; |
1135 | req->type = REQ_READAHEAD; |
941 | req->fh = newSVsv (fh); |
1136 | req->fh = newSVsv (fh); |
942 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1137 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
943 | req->offset = offset; |
1138 | req->offset = offset; |
944 | req->length = length; |
1139 | req->length = length; |
945 | |
1140 | |
946 | send_req (req); |
1141 | REQ_SEND; |
947 | } |
1142 | } |
948 | |
1143 | |
949 | void |
1144 | void |
950 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1145 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
951 | SV * fh_or_path |
1146 | SV * fh_or_path |
952 | SV * callback |
1147 | SV * callback |
953 | ALIAS: |
1148 | ALIAS: |
954 | aio_stat = REQ_STAT |
1149 | aio_stat = REQ_STAT |
955 | aio_lstat = REQ_LSTAT |
1150 | aio_lstat = REQ_LSTAT |
956 | CODE: |
1151 | PPCODE: |
957 | { |
1152 | { |
958 | dREQ; |
1153 | dREQ; |
959 | |
1154 | |
960 | New (0, req->statdata, 1, Stat_t); |
1155 | New (0, req->statdata, 1, Stat_t); |
961 | if (!req->statdata) |
1156 | if (!req->statdata) |
962 | { |
1157 | { |
963 | free_req (req); |
1158 | req_free (req); |
964 | croak ("out of memory during aio_req->statdata allocation"); |
1159 | croak ("out of memory during aio_req->statdata allocation"); |
965 | } |
1160 | } |
966 | |
1161 | |
967 | if (SvPOK (fh_or_path)) |
1162 | if (SvPOK (fh_or_path)) |
968 | { |
1163 | { |
… | |
… | |
975 | req->type = REQ_FSTAT; |
1170 | req->type = REQ_FSTAT; |
976 | req->fh = newSVsv (fh_or_path); |
1171 | req->fh = newSVsv (fh_or_path); |
977 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1172 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
978 | } |
1173 | } |
979 | |
1174 | |
980 | send_req (req); |
1175 | REQ_SEND; |
981 | } |
1176 | } |
982 | |
1177 | |
983 | void |
1178 | void |
984 | aio_unlink(pathname,callback=&PL_sv_undef) |
1179 | aio_unlink (pathname,callback=&PL_sv_undef) |
985 | SV * pathname |
1180 | SV * pathname |
986 | SV * callback |
1181 | SV * callback |
987 | ALIAS: |
1182 | ALIAS: |
988 | aio_unlink = REQ_UNLINK |
1183 | aio_unlink = REQ_UNLINK |
989 | aio_rmdir = REQ_RMDIR |
1184 | aio_rmdir = REQ_RMDIR |
|
|
1185 | aio_readdir = REQ_READDIR |
990 | CODE: |
1186 | PPCODE: |
991 | { |
1187 | { |
992 | dREQ; |
1188 | dREQ; |
993 | |
1189 | |
994 | req->type = ix; |
1190 | req->type = ix; |
995 | req->data = newSVsv (pathname); |
1191 | req->data = newSVsv (pathname); |
996 | req->dataptr = SvPVbyte_nolen (req->data); |
1192 | req->dataptr = SvPVbyte_nolen (req->data); |
997 | |
1193 | |
998 | send_req (req); |
1194 | REQ_SEND; |
999 | } |
1195 | } |
1000 | |
1196 | |
1001 | void |
1197 | void |
1002 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1198 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1003 | SV * oldpath |
1199 | SV * oldpath |
1004 | SV * newpath |
1200 | SV * newpath |
1005 | SV * callback |
1201 | SV * callback |
|
|
1202 | ALIAS: |
|
|
1203 | aio_link = REQ_LINK |
|
|
1204 | aio_symlink = REQ_SYMLINK |
|
|
1205 | aio_rename = REQ_RENAME |
1006 | CODE: |
1206 | PPCODE: |
1007 | { |
1207 | { |
1008 | dREQ; |
1208 | dREQ; |
1009 | |
1209 | |
1010 | req->type = REQ_SYMLINK; |
1210 | req->type = ix; |
1011 | req->fh = newSVsv (oldpath); |
1211 | req->fh = newSVsv (oldpath); |
1012 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1212 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1013 | req->data = newSVsv (newpath); |
1213 | req->data = newSVsv (newpath); |
1014 | req->dataptr = SvPVbyte_nolen (req->data); |
1214 | req->dataptr = SvPVbyte_nolen (req->data); |
1015 | |
1215 | |
1016 | send_req (req); |
1216 | REQ_SEND; |
1017 | } |
1217 | } |
1018 | |
1218 | |
1019 | void |
1219 | void |
1020 | aio_readdir(pathname,callback=&PL_sv_undef) |
1220 | aio_sleep (delay,callback=&PL_sv_undef) |
1021 | SV * pathname |
1221 | double delay |
1022 | SV * callback |
1222 | SV * callback |
|
|
1223 | PPCODE: |
|
|
1224 | { |
|
|
1225 | dREQ; |
|
|
1226 | |
|
|
1227 | req->type = REQ_SLEEP; |
|
|
1228 | req->fd = delay < 0. ? 0 : delay; |
|
|
1229 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1230 | |
|
|
1231 | REQ_SEND; |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | void |
|
|
1235 | aio_group (callback=&PL_sv_undef) |
|
|
1236 | SV * callback |
|
|
1237 | PROTOTYPE: ;$ |
|
|
1238 | PPCODE: |
|
|
1239 | { |
|
|
1240 | dREQ; |
|
|
1241 | |
|
|
1242 | req->type = REQ_GROUP; |
|
|
1243 | req_send (req); |
|
|
1244 | |
|
|
1245 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1246 | } |
|
|
1247 | |
|
|
1248 | void |
|
|
1249 | aio_nop (callback=&PL_sv_undef) |
|
|
1250 | SV * callback |
|
|
1251 | PPCODE: |
|
|
1252 | { |
|
|
1253 | dREQ; |
|
|
1254 | |
|
|
1255 | req->type = REQ_NOP; |
|
|
1256 | |
|
|
1257 | REQ_SEND; |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | #if 0 |
|
|
1261 | |
|
|
1262 | void |
|
|
1263 | aio_pri (int pri = DEFAULT_PRI) |
1023 | CODE: |
1264 | CODE: |
1024 | { |
1265 | if (pri < PRI_MIN) pri = PRI_MIN; |
1025 | dREQ; |
1266 | if (pri > PRI_MAX) pri = PRI_MAX; |
1026 | |
1267 | next_pri = pri + PRI_BIAS; |
1027 | req->type = REQ_READDIR; |
|
|
1028 | req->data = newSVsv (pathname); |
|
|
1029 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1030 | |
|
|
1031 | send_req (req); |
|
|
1032 | } |
|
|
1033 | |
1268 | |
|
|
1269 | #endif |
|
|
1270 | |
1034 | void |
1271 | void |
1035 | flush() |
1272 | flush () |
1036 | PROTOTYPE: |
1273 | PROTOTYPE: |
1037 | CODE: |
1274 | CODE: |
1038 | while (nreqs) |
1275 | while (nreqs) |
1039 | { |
1276 | { |
1040 | poll_wait (); |
1277 | poll_wait (); |
… | |
… | |
1080 | CODE: |
1317 | CODE: |
1081 | RETVAL = nreqs; |
1318 | RETVAL = nreqs; |
1082 | OUTPUT: |
1319 | OUTPUT: |
1083 | RETVAL |
1320 | RETVAL |
1084 | |
1321 | |
|
|
1322 | PROTOTYPES: DISABLE |
|
|
1323 | |
|
|
1324 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1325 | |
|
|
1326 | void |
|
|
1327 | cancel (aio_req_ornot req) |
|
|
1328 | PROTOTYPE: |
|
|
1329 | CODE: |
|
|
1330 | req_cancel (req); |
|
|
1331 | |
|
|
1332 | void |
|
|
1333 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1334 | CODE: |
|
|
1335 | SvREFCNT_dec (req->callback); |
|
|
1336 | req->callback = newSVsv (callback); |
|
|
1337 | |
|
|
1338 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1339 | |
|
|
1340 | void |
|
|
1341 | add (aio_req grp, ...) |
|
|
1342 | PPCODE: |
|
|
1343 | { |
|
|
1344 | int i; |
|
|
1345 | aio_req req; |
|
|
1346 | |
|
|
1347 | if (grp->fd == 2) |
|
|
1348 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1349 | |
|
|
1350 | for (i = 1; i < items; ++i ) |
|
|
1351 | { |
|
|
1352 | if (GIMME_V != G_VOID) |
|
|
1353 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1354 | |
|
|
1355 | req = SvAIO_REQ (ST (i)); |
|
|
1356 | |
|
|
1357 | if (req) |
|
|
1358 | { |
|
|
1359 | ++grp->length; |
|
|
1360 | req->grp = grp; |
|
|
1361 | |
|
|
1362 | req->grp_prev = 0; |
|
|
1363 | req->grp_next = grp->grp_first; |
|
|
1364 | |
|
|
1365 | if (grp->grp_first) |
|
|
1366 | grp->grp_first->grp_prev = req; |
|
|
1367 | |
|
|
1368 | grp->grp_first = req; |
|
|
1369 | } |
|
|
1370 | } |
|
|
1371 | } |
|
|
1372 | |
|
|
1373 | void |
|
|
1374 | result (aio_req grp, ...) |
|
|
1375 | CODE: |
|
|
1376 | { |
|
|
1377 | int i; |
|
|
1378 | AV *av = newAV (); |
|
|
1379 | |
|
|
1380 | for (i = 1; i < items; ++i ) |
|
|
1381 | av_push (av, newSVsv (ST (i))); |
|
|
1382 | |
|
|
1383 | SvREFCNT_dec (grp->data); |
|
|
1384 | grp->data = (SV *)av; |
|
|
1385 | } |
|
|
1386 | |
|
|
1387 | void |
|
|
1388 | feed_limit (aio_req grp, int limit) |
|
|
1389 | CODE: |
|
|
1390 | grp->fd2 = limit; |
|
|
1391 | aio_grp_feed (grp); |
|
|
1392 | |
|
|
1393 | void |
|
|
1394 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1395 | CODE: |
|
|
1396 | { |
|
|
1397 | SvREFCNT_dec (grp->fh2); |
|
|
1398 | grp->fh2 = newSVsv (callback); |
|
|
1399 | |
|
|
1400 | if (grp->fd2 <= 0) |
|
|
1401 | grp->fd2 = 2; |
|
|
1402 | |
|
|
1403 | aio_grp_feed (grp); |
|
|
1404 | } |
|
|
1405 | |