… | |
… | |
7 | |
7 | |
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> |
|
|
13 | #include <errno.h> |
|
|
14 | #include <sys/time.h> |
|
|
15 | #include <sys/select.h> |
12 | #include <sys/types.h> |
16 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
14 | |
18 | #include <limits.h> |
15 | #include <unistd.h> |
19 | #include <unistd.h> |
16 | #include <fcntl.h> |
20 | #include <fcntl.h> |
17 | #include <signal.h> |
21 | #include <signal.h> |
18 | #include <sched.h> |
22 | #include <sched.h> |
19 | |
23 | |
… | |
… | |
23 | # elif __freebsd |
27 | # elif __freebsd |
24 | # include <sys/socket.h> |
28 | # include <sys/socket.h> |
25 | # include <sys/uio.h> |
29 | # include <sys/uio.h> |
26 | # elif __hpux |
30 | # elif __hpux |
27 | # include <sys/socket.h> |
31 | # include <sys/socket.h> |
|
|
32 | # elif __solaris /* not yet */ |
|
|
33 | # include <sys/sendfile.h> |
28 | # else |
34 | # else |
29 | # error sendfile support requested but not available |
35 | # error sendfile support requested but not available |
30 | # endif |
36 | # endif |
31 | #endif |
37 | #endif |
32 | |
38 | |
|
|
39 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
40 | #ifndef NAME_MAX |
|
|
41 | # define NAME_MAX 4096 |
|
|
42 | #endif |
|
|
43 | |
33 | #if __ia64 |
44 | #if __ia64 |
34 | # define STACKSIZE 65536 |
45 | # define STACKSIZE 65536 |
35 | #else |
46 | #else |
36 | # define STACKSIZE 4096 |
47 | # define STACKSIZE 8192 |
37 | #endif |
48 | #endif |
38 | |
49 | |
39 | enum { |
50 | enum { |
40 | REQ_QUIT, |
51 | REQ_QUIT, |
41 | REQ_OPEN, REQ_CLOSE, |
52 | REQ_OPEN, REQ_CLOSE, |
42 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
43 | REQ_SENDFILE, |
54 | REQ_SENDFILE, |
44 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
45 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
46 | REQ_UNLINK, REQ_RMDIR, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
47 | REQ_SYMLINK, |
58 | REQ_READDIR, |
|
|
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_SLEEP, |
|
|
61 | REQ_GROUP, |
48 | }; |
62 | }; |
49 | |
63 | |
|
|
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
66 | |
50 | typedef struct aio_cb { |
67 | typedef struct aio_cb |
|
|
68 | { |
51 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
52 | |
70 | |
53 | int type; |
71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
54 | |
72 | |
55 | int fd, fd2; |
73 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
74 | |
|
|
75 | SV *data, *callback; |
|
|
76 | SV *fh, *fh2; |
|
|
77 | void *dataptr, *data2ptr; |
|
|
78 | Stat_t *statdata; |
56 | off_t offset; |
79 | off_t offset; |
57 | size_t length; |
80 | size_t length; |
58 | ssize_t result; |
81 | ssize_t result; |
|
|
82 | |
|
|
83 | int type; |
|
|
84 | int fd, fd2; |
|
|
85 | int errorno; |
|
|
86 | STRLEN dataoffset; |
59 | mode_t mode; /* open */ |
87 | mode_t mode; /* open */ |
60 | int errorno; |
88 | unsigned char cancelled; |
61 | SV *data, *callback; |
|
|
62 | SV *fh, *fh2; |
|
|
63 | void *dataptr, *data2ptr; |
|
|
64 | STRLEN dataoffset; |
|
|
65 | |
|
|
66 | Stat_t *statdata; |
|
|
67 | } aio_cb; |
89 | } aio_cb; |
68 | |
90 | |
69 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
|
|
92 | typedef aio_cb *aio_req_ornot; |
70 | |
93 | |
71 | static int started, wanted; |
94 | static int started, wanted; |
72 | static volatile int nreqs; |
95 | static volatile int nreqs; |
73 | static int max_outstanding = 1<<30; |
96 | static int max_outstanding = 1<<30; |
74 | static int respipe [2]; |
97 | static int respipe [2]; |
… | |
… | |
78 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
79 | |
102 | |
80 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
81 | static volatile aio_req ress, rese; /* queue start, queue end */ |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
82 | |
105 | |
|
|
106 | static void req_invoke (aio_req req); |
83 | static void free_req (aio_req req) |
107 | static void req_free (aio_req req); |
84 | { |
|
|
85 | if (req->data) |
|
|
86 | SvREFCNT_dec (req->data); |
|
|
87 | |
108 | |
|
|
109 | /* must be called at most once */ |
|
|
110 | static SV *req_sv (aio_req req, const char *klass) |
|
|
111 | { |
88 | if (req->fh) |
112 | if (!req->self) |
89 | SvREFCNT_dec (req->fh); |
113 | { |
|
|
114 | req->self = (SV *)newHV (); |
|
|
115 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
116 | } |
90 | |
117 | |
91 | if (req->fh2) |
118 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
|
|
119 | } |
|
|
120 | |
|
|
121 | static aio_req SvAIO_REQ (SV *sv) |
|
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122 | { |
|
|
123 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
|
|
124 | croak ("object of class " AIO_REQ_KLASS " expected"); |
|
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125 | |
|
|
126 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
|
127 | |
|
|
128 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
129 | } |
|
|
130 | |
|
|
131 | static void aio_grp_feed (aio_req grp) |
|
|
132 | { |
|
|
133 | while (grp->length < grp->fd2) |
|
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134 | { |
|
|
135 | int old_len = grp->length; |
|
|
136 | |
|
|
137 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
138 | { |
|
|
139 | dSP; |
|
|
140 | |
|
|
141 | ENTER; |
|
|
142 | SAVETMPS; |
|
|
143 | PUSHMARK (SP); |
|
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144 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
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145 | PUTBACK; |
|
|
146 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
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147 | SPAGAIN; |
|
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148 | FREETMPS; |
|
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149 | LEAVE; |
|
|
150 | } |
|
|
151 | |
|
|
152 | /* stop if no progress has been made */ |
|
|
153 | if (old_len == grp->length) |
|
|
154 | { |
92 | SvREFCNT_dec (req->fh2); |
155 | SvREFCNT_dec (grp->fh2); |
93 | |
156 | grp->fh2 = 0; |
94 | if (req->statdata) |
157 | break; |
95 | Safefree (req->statdata); |
158 | } |
96 | |
159 | } |
97 | if (req->callback) |
|
|
98 | SvREFCNT_dec (req->callback); |
|
|
99 | |
|
|
100 | Safefree (req); |
|
|
101 | } |
160 | } |
102 | |
161 | |
103 | static void |
162 | static void aio_grp_dec (aio_req grp) |
104 | poll_wait () |
163 | { |
|
|
164 | --grp->length; |
|
|
165 | |
|
|
166 | /* call feeder, if applicable */ |
|
|
167 | aio_grp_feed (grp); |
|
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168 | |
|
|
169 | /* finish, if done */ |
|
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170 | if (!grp->length && grp->fd) |
|
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171 | { |
|
|
172 | req_invoke (grp); |
|
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173 | req_free (grp); |
|
|
174 | } |
|
|
175 | } |
|
|
176 | |
|
|
177 | static void poll_wait () |
105 | { |
178 | { |
106 | if (nreqs && !ress) |
179 | if (nreqs && !ress) |
107 | { |
180 | { |
108 | fd_set rfd; |
181 | fd_set rfd; |
109 | FD_ZERO(&rfd); |
182 | FD_ZERO(&rfd); |
… | |
… | |
111 | |
184 | |
112 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
185 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
113 | } |
186 | } |
114 | } |
187 | } |
115 | |
188 | |
116 | static int |
189 | static void req_invoke (aio_req req) |
117 | poll_cb () |
190 | { |
|
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191 | dSP; |
|
|
192 | int errorno = errno; |
|
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193 | |
|
|
194 | if (req->cancelled || !SvOK (req->callback)) |
|
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195 | return; |
|
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196 | |
|
|
197 | errno = req->errorno; |
|
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198 | |
|
|
199 | ENTER; |
|
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200 | SAVETMPS; |
|
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201 | PUSHMARK (SP); |
|
|
202 | EXTEND (SP, 1); |
|
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203 | |
|
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204 | switch (req->type) |
|
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205 | { |
|
|
206 | case REQ_READDIR: |
|
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207 | { |
|
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208 | SV *rv = &PL_sv_undef; |
|
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209 | |
|
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210 | if (req->result >= 0) |
|
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211 | { |
|
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212 | char *buf = req->data2ptr; |
|
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213 | AV *av = newAV (); |
|
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214 | |
|
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215 | while (req->result) |
|
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216 | { |
|
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217 | SV *sv = newSVpv (buf, 0); |
|
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218 | |
|
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219 | av_push (av, sv); |
|
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220 | buf += SvCUR (sv) + 1; |
|
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221 | req->result--; |
|
|
222 | } |
|
|
223 | |
|
|
224 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
225 | } |
|
|
226 | |
|
|
227 | PUSHs (rv); |
|
|
228 | } |
|
|
229 | break; |
|
|
230 | |
|
|
231 | case REQ_OPEN: |
|
|
232 | { |
|
|
233 | /* convert fd to fh */ |
|
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234 | SV *fh; |
|
|
235 | |
|
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236 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
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237 | PUTBACK; |
|
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238 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
239 | SPAGAIN; |
|
|
240 | |
|
|
241 | fh = SvREFCNT_inc (POPs); |
|
|
242 | |
|
|
243 | PUSHMARK (SP); |
|
|
244 | XPUSHs (sv_2mortal (fh)); |
|
|
245 | } |
|
|
246 | break; |
|
|
247 | |
|
|
248 | case REQ_GROUP: |
|
|
249 | req->fd = 2; /* mark group as finished */ |
|
|
250 | |
|
|
251 | if (req->data) |
|
|
252 | { |
|
|
253 | int i; |
|
|
254 | AV *av = (AV *)req->data; |
|
|
255 | |
|
|
256 | EXTEND (SP, AvFILL (av) + 1); |
|
|
257 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
258 | PUSHs (*av_fetch (av, i, 0)); |
|
|
259 | } |
|
|
260 | break; |
|
|
261 | |
|
|
262 | case REQ_SLEEP: |
|
|
263 | break; |
|
|
264 | |
|
|
265 | default: |
|
|
266 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
267 | break; |
|
|
268 | } |
|
|
269 | |
|
|
270 | |
|
|
271 | PUTBACK; |
|
|
272 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
273 | SPAGAIN; |
|
|
274 | |
|
|
275 | FREETMPS; |
|
|
276 | LEAVE; |
|
|
277 | |
|
|
278 | errno = errorno; |
|
|
279 | |
|
|
280 | if (SvTRUE (ERRSV)) |
|
|
281 | { |
|
|
282 | req_free (req); |
|
|
283 | croak (0); |
|
|
284 | } |
|
|
285 | } |
|
|
286 | |
|
|
287 | static void req_free (aio_req req) |
|
|
288 | { |
|
|
289 | if (req->grp) |
|
|
290 | { |
|
|
291 | aio_req grp = req->grp; |
|
|
292 | |
|
|
293 | /* unlink request */ |
|
|
294 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
295 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
296 | |
|
|
297 | if (grp->grp_first == req) |
|
|
298 | grp->grp_first = req->grp_next; |
|
|
299 | |
|
|
300 | aio_grp_dec (grp); |
|
|
301 | } |
|
|
302 | |
|
|
303 | if (req->self) |
|
|
304 | { |
|
|
305 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
306 | SvREFCNT_dec (req->self); |
|
|
307 | } |
|
|
308 | |
|
|
309 | SvREFCNT_dec (req->data); |
|
|
310 | SvREFCNT_dec (req->fh); |
|
|
311 | SvREFCNT_dec (req->fh2); |
|
|
312 | SvREFCNT_dec (req->callback); |
|
|
313 | Safefree (req->statdata); |
|
|
314 | |
|
|
315 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
316 | free (req->data2ptr); |
|
|
317 | |
|
|
318 | Safefree (req); |
|
|
319 | } |
|
|
320 | |
|
|
321 | static void req_cancel (aio_req req) |
|
|
322 | { |
|
|
323 | req->cancelled = 1; |
|
|
324 | |
|
|
325 | if (req->type == REQ_GROUP) |
|
|
326 | { |
|
|
327 | aio_req sub; |
|
|
328 | |
|
|
329 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
330 | req_cancel (sub); |
|
|
331 | } |
|
|
332 | } |
|
|
333 | |
|
|
334 | static int poll_cb () |
118 | { |
335 | { |
119 | dSP; |
336 | dSP; |
120 | int count = 0; |
337 | int count = 0; |
121 | int do_croak = 0; |
338 | int do_croak = 0; |
122 | aio_req req; |
339 | aio_req req; |
… | |
… | |
144 | pthread_mutex_unlock (&reslock); |
361 | pthread_mutex_unlock (&reslock); |
145 | |
362 | |
146 | if (!req) |
363 | if (!req) |
147 | break; |
364 | break; |
148 | |
365 | |
149 | nreqs--; |
366 | --nreqs; |
150 | |
367 | |
151 | if (req->type == REQ_QUIT) |
368 | if (req->type == REQ_QUIT) |
152 | started--; |
369 | started--; |
|
|
370 | else if (req->type == REQ_GROUP && req->length) |
|
|
371 | { |
|
|
372 | req->fd = 1; /* mark request as delayed */ |
|
|
373 | continue; |
|
|
374 | } |
153 | else |
375 | else |
154 | { |
376 | { |
155 | int errorno = errno; |
|
|
156 | errno = req->errorno; |
|
|
157 | |
|
|
158 | if (req->type == REQ_READ) |
377 | if (req->type == REQ_READ) |
159 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
378 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
160 | |
379 | |
161 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
380 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
162 | SvREADONLY_off (req->data); |
381 | SvREADONLY_off (req->data); |
… | |
… | |
166 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
385 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
167 | PL_laststatval = req->result; |
386 | PL_laststatval = req->result; |
168 | PL_statcache = *(req->statdata); |
387 | PL_statcache = *(req->statdata); |
169 | } |
388 | } |
170 | |
389 | |
171 | ENTER; |
390 | req_invoke (req); |
172 | PUSHMARK (SP); |
|
|
173 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
174 | |
391 | |
175 | if (req->type == REQ_OPEN) |
|
|
176 | { |
|
|
177 | /* convert fd to fh */ |
|
|
178 | SV *fh; |
|
|
179 | |
|
|
180 | PUTBACK; |
|
|
181 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
182 | SPAGAIN; |
|
|
183 | |
|
|
184 | fh = SvREFCNT_inc (POPs); |
|
|
185 | |
|
|
186 | PUSHMARK (SP); |
|
|
187 | XPUSHs (sv_2mortal (fh)); |
|
|
188 | } |
|
|
189 | |
|
|
190 | if (SvOK (req->callback)) |
|
|
191 | { |
|
|
192 | PUTBACK; |
|
|
193 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
194 | SPAGAIN; |
|
|
195 | |
|
|
196 | if (SvTRUE (ERRSV)) |
|
|
197 | { |
|
|
198 | free_req (req); |
|
|
199 | croak (0); |
|
|
200 | } |
|
|
201 | } |
|
|
202 | |
|
|
203 | LEAVE; |
|
|
204 | |
|
|
205 | errno = errorno; |
|
|
206 | count++; |
392 | count++; |
207 | } |
393 | } |
208 | |
394 | |
209 | free_req (req); |
395 | req_free (req); |
210 | } |
396 | } |
211 | |
397 | |
212 | return count; |
398 | return count; |
213 | } |
399 | } |
214 | |
400 | |
215 | static void *aio_proc(void *arg); |
401 | static void *aio_proc(void *arg); |
216 | |
402 | |
217 | static void |
|
|
218 | start_thread (void) |
403 | static void start_thread (void) |
219 | { |
404 | { |
220 | sigset_t fullsigset, oldsigset; |
405 | sigset_t fullsigset, oldsigset; |
221 | pthread_t tid; |
406 | pthread_t tid; |
222 | pthread_attr_t attr; |
407 | pthread_attr_t attr; |
223 | |
408 | |
… | |
… | |
232 | started++; |
417 | started++; |
233 | |
418 | |
234 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
419 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
235 | } |
420 | } |
236 | |
421 | |
237 | static void |
422 | static void req_send (aio_req req) |
238 | send_req (aio_req req) |
|
|
239 | { |
423 | { |
240 | while (started < wanted && nreqs >= started) |
424 | while (started < wanted && nreqs >= started) |
241 | start_thread (); |
425 | start_thread (); |
242 | |
426 | |
243 | nreqs++; |
427 | ++nreqs; |
244 | |
428 | |
245 | pthread_mutex_lock (&reqlock); |
429 | pthread_mutex_lock (&reqlock); |
246 | |
430 | |
247 | req->next = 0; |
431 | req->next = 0; |
248 | |
432 | |
… | |
… | |
267 | |
451 | |
268 | poll_wait (); |
452 | poll_wait (); |
269 | } |
453 | } |
270 | } |
454 | } |
271 | |
455 | |
272 | static void |
456 | static void end_thread (void) |
273 | end_thread (void) |
|
|
274 | { |
457 | { |
275 | aio_req req; |
458 | aio_req req; |
276 | Newz (0, req, 1, aio_cb); |
459 | Newz (0, req, 1, aio_cb); |
277 | req->type = REQ_QUIT; |
460 | req->type = REQ_QUIT; |
278 | |
461 | |
279 | send_req (req); |
462 | req_send (req); |
280 | } |
463 | } |
281 | |
464 | |
282 | static void min_parallel (int nthreads) |
465 | static void min_parallel (int nthreads) |
283 | { |
466 | { |
284 | if (wanted < nthreads) |
467 | if (wanted < nthreads) |
… | |
… | |
313 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
496 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
314 | croak ("cannot set result pipe to nonblocking mode"); |
497 | croak ("cannot set result pipe to nonblocking mode"); |
315 | |
498 | |
316 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
499 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
317 | croak ("cannot set result pipe to nonblocking mode"); |
500 | croak ("cannot set result pipe to nonblocking mode"); |
318 | } |
|
|
319 | |
|
|
320 | static void atfork_prepare (void) |
|
|
321 | { |
|
|
322 | pthread_mutex_lock (&reqlock); |
|
|
323 | pthread_mutex_lock (&reslock); |
|
|
324 | } |
|
|
325 | |
|
|
326 | static void atfork_parent (void) |
|
|
327 | { |
|
|
328 | pthread_mutex_unlock (&reslock); |
|
|
329 | pthread_mutex_unlock (&reqlock); |
|
|
330 | } |
|
|
331 | |
|
|
332 | static void atfork_child (void) |
|
|
333 | { |
|
|
334 | aio_req prv; |
|
|
335 | |
|
|
336 | started = 0; |
|
|
337 | |
|
|
338 | while (reqs) |
|
|
339 | { |
|
|
340 | prv = reqs; |
|
|
341 | reqs = prv->next; |
|
|
342 | free_req (prv); |
|
|
343 | } |
|
|
344 | |
|
|
345 | reqs = reqe = 0; |
|
|
346 | |
|
|
347 | while (ress) |
|
|
348 | { |
|
|
349 | prv = ress; |
|
|
350 | ress = prv->next; |
|
|
351 | free_req (prv); |
|
|
352 | } |
|
|
353 | |
|
|
354 | ress = rese = 0; |
|
|
355 | |
|
|
356 | close (respipe [0]); |
|
|
357 | close (respipe [1]); |
|
|
358 | create_pipe (); |
|
|
359 | |
|
|
360 | atfork_parent (); |
|
|
361 | } |
501 | } |
362 | |
502 | |
363 | /*****************************************************************************/ |
503 | /*****************************************************************************/ |
364 | /* work around various missing functions */ |
504 | /* work around various missing functions */ |
365 | |
505 | |
… | |
… | |
370 | /* |
510 | /* |
371 | * make our pread/pwrite safe against themselves, but not against |
511 | * make our pread/pwrite safe against themselves, but not against |
372 | * normal read/write by using a mutex. slows down execution a lot, |
512 | * normal read/write by using a mutex. slows down execution a lot, |
373 | * but that's your problem, not mine. |
513 | * but that's your problem, not mine. |
374 | */ |
514 | */ |
375 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
515 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
376 | |
516 | |
377 | static ssize_t |
517 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
378 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
379 | { |
518 | { |
380 | ssize_t res; |
519 | ssize_t res; |
381 | off_t ooffset; |
520 | off_t ooffset; |
382 | |
521 | |
383 | pthread_mutex_lock (&iolock); |
522 | pthread_mutex_lock (&preadwritelock); |
384 | ooffset = lseek (fd, 0, SEEK_CUR); |
523 | ooffset = lseek (fd, 0, SEEK_CUR); |
385 | lseek (fd, offset, SEEK_SET); |
524 | lseek (fd, offset, SEEK_SET); |
386 | res = read (fd, buf, count); |
525 | res = read (fd, buf, count); |
387 | lseek (fd, ooffset, SEEK_SET); |
526 | lseek (fd, ooffset, SEEK_SET); |
388 | pthread_mutex_unlock (&iolock); |
527 | pthread_mutex_unlock (&preadwritelock); |
389 | |
528 | |
390 | return res; |
529 | return res; |
391 | } |
530 | } |
392 | |
531 | |
393 | static ssize_t |
|
|
394 | pwrite (int fd, void *buf, size_t count, off_t offset) |
532 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
395 | { |
533 | { |
396 | ssize_t res; |
534 | ssize_t res; |
397 | off_t ooffset; |
535 | off_t ooffset; |
398 | |
536 | |
399 | pthread_mutex_lock (&iolock); |
537 | pthread_mutex_lock (&preadwritelock); |
400 | ooffset = lseek (fd, 0, SEEK_CUR); |
538 | ooffset = lseek (fd, 0, SEEK_CUR); |
401 | lseek (fd, offset, SEEK_SET); |
539 | lseek (fd, offset, SEEK_SET); |
402 | res = write (fd, buf, count); |
540 | res = write (fd, buf, count); |
403 | lseek (fd, offset, SEEK_SET); |
541 | lseek (fd, offset, SEEK_SET); |
404 | pthread_mutex_unlock (&iolock); |
542 | pthread_mutex_unlock (&preadwritelock); |
405 | |
543 | |
406 | return res; |
544 | return res; |
407 | } |
545 | } |
408 | #endif |
546 | #endif |
409 | |
547 | |
… | |
… | |
412 | #endif |
550 | #endif |
413 | |
551 | |
414 | #if !HAVE_READAHEAD |
552 | #if !HAVE_READAHEAD |
415 | # define readahead aio_readahead |
553 | # define readahead aio_readahead |
416 | |
554 | |
|
|
555 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
556 | { |
417 | static char readahead_buf[4096]; |
557 | char readahead_buf[4096]; |
418 | |
558 | |
419 | static ssize_t |
|
|
420 | readahead (int fd, off_t offset, size_t count) |
|
|
421 | { |
|
|
422 | while (count > 0) |
559 | while (count > 0) |
423 | { |
560 | { |
424 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
561 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
425 | |
562 | |
426 | pread (fd, readahead_buf, len, offset); |
563 | pread (fd, readahead_buf, len, offset); |
… | |
… | |
430 | |
567 | |
431 | errno = 0; |
568 | errno = 0; |
432 | } |
569 | } |
433 | #endif |
570 | #endif |
434 | |
571 | |
|
|
572 | #if !HAVE_READDIR_R |
|
|
573 | # define readdir_r aio_readdir_r |
|
|
574 | |
|
|
575 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
576 | |
|
|
577 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
578 | { |
|
|
579 | struct dirent *e; |
|
|
580 | int errorno; |
|
|
581 | |
|
|
582 | pthread_mutex_lock (&readdirlock); |
|
|
583 | |
|
|
584 | e = readdir (dirp); |
|
|
585 | errorno = errno; |
|
|
586 | |
|
|
587 | if (e) |
|
|
588 | { |
|
|
589 | *res = ent; |
|
|
590 | strcpy (ent->d_name, e->d_name); |
|
|
591 | } |
|
|
592 | else |
|
|
593 | *res = 0; |
|
|
594 | |
|
|
595 | pthread_mutex_unlock (&readdirlock); |
|
|
596 | |
|
|
597 | errno = errorno; |
|
|
598 | return e ? 0 : -1; |
|
|
599 | } |
|
|
600 | #endif |
|
|
601 | |
435 | /* sendfile always needs emulation */ |
602 | /* sendfile always needs emulation */ |
436 | static ssize_t |
|
|
437 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
603 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
438 | { |
604 | { |
439 | ssize_t res; |
605 | ssize_t res; |
440 | |
606 | |
441 | if (!count) |
607 | if (!count) |
442 | return 0; |
608 | return 0; |
443 | |
609 | |
|
|
610 | #if HAVE_SENDFILE |
444 | #if __linux |
611 | # if __linux |
445 | res = sendfile (ofd, ifd, &offset, count); |
612 | res = sendfile (ofd, ifd, &offset, count); |
446 | |
613 | |
447 | #elif __freebsd |
614 | # elif __freebsd |
448 | /* |
615 | /* |
449 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
616 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
450 | * wasted on making it similar to other i/o functions. |
617 | * wasted on making it similar to other I/O functions. |
451 | */ |
618 | */ |
452 | { |
619 | { |
453 | off_t sbytes; |
620 | off_t sbytes; |
454 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
621 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
455 | |
622 | |
456 | if (!res && errno == EAGAIN) |
623 | if (res < 0 && sbytes) |
457 | /* maybe on others, too, as usual, the manpage leaves you guessing */ |
624 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
458 | res = sbytes; |
625 | res = sbytes; |
459 | } |
626 | } |
460 | |
627 | |
461 | #elif __hpux |
628 | # elif __hpux |
462 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
629 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
463 | |
630 | |
|
|
631 | # elif __solaris |
|
|
632 | { |
|
|
633 | struct sendfilevec vec; |
|
|
634 | size_t sbytes; |
|
|
635 | |
|
|
636 | vec.sfv_fd = ifd; |
|
|
637 | vec.sfv_flag = 0; |
|
|
638 | vec.sfv_off = offset; |
|
|
639 | vec.sfv_len = count; |
|
|
640 | |
|
|
641 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
642 | |
|
|
643 | if (res < 0 && sbytes) |
|
|
644 | res = sbytes; |
|
|
645 | } |
|
|
646 | |
|
|
647 | # endif |
464 | #else |
648 | #else |
465 | res = -1; |
649 | res = -1; |
466 | errno = ENOSYS; |
650 | errno = ENOSYS; |
467 | #endif |
651 | #endif |
468 | |
652 | |
|
|
653 | if (res < 0 |
469 | if (res < 0 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK)) |
654 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
655 | #if __solaris |
|
|
656 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
657 | #endif |
|
|
658 | ) |
|
|
659 | ) |
470 | { |
660 | { |
471 | /* emulate sendfile. this is a major pain in the ass */ |
661 | /* emulate sendfile. this is a major pain in the ass */ |
472 | char *buf = malloc (4096); |
662 | char buf[4096]; |
473 | res = 0; |
663 | res = 0; |
474 | |
664 | |
475 | for (;;) |
665 | while (count) |
476 | { |
666 | { |
477 | ssize_t cnt; |
667 | ssize_t cnt; |
478 | |
668 | |
479 | cnt = pread (ifd, buf, 4096, offset); |
669 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
480 | |
670 | |
481 | if (cnt <= 0) |
671 | if (cnt <= 0) |
482 | { |
672 | { |
483 | if (cnt && !res) res = -1; |
673 | if (cnt && !res) res = -1; |
484 | break; |
674 | break; |
485 | } |
675 | } |
486 | |
676 | |
487 | cnt = write (ofd, buf, cnt); |
677 | cnt = write (ofd, buf, cnt); |
488 | |
678 | |
489 | if (cnt <= 0) |
679 | if (cnt <= 0) |
490 | { |
680 | { |
491 | if (cnt && !res) res = -1; |
681 | if (cnt && !res) res = -1; |
492 | break; |
682 | break; |
493 | } |
683 | } |
494 | |
684 | |
495 | offset += cnt; |
685 | offset += cnt; |
496 | res += cnt; |
686 | res += cnt; |
|
|
687 | count -= cnt; |
497 | } |
688 | } |
498 | |
|
|
499 | { |
|
|
500 | int errorno = errno; |
|
|
501 | free (buf); |
|
|
502 | errno = errorno; |
|
|
503 | } |
|
|
504 | } |
689 | } |
505 | |
690 | |
506 | return res; |
691 | return res; |
|
|
692 | } |
|
|
693 | |
|
|
694 | /* read a full directory */ |
|
|
695 | static int scandir_ (const char *path, void **namesp) |
|
|
696 | { |
|
|
697 | DIR *dirp = opendir (path); |
|
|
698 | union |
|
|
699 | { |
|
|
700 | struct dirent d; |
|
|
701 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
702 | } u; |
|
|
703 | struct dirent *entp; |
|
|
704 | char *name, *names; |
|
|
705 | int memlen = 4096; |
|
|
706 | int memofs = 0; |
|
|
707 | int res = 0; |
|
|
708 | int errorno; |
|
|
709 | |
|
|
710 | if (!dirp) |
|
|
711 | return -1; |
|
|
712 | |
|
|
713 | names = malloc (memlen); |
|
|
714 | |
|
|
715 | for (;;) |
|
|
716 | { |
|
|
717 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
718 | |
|
|
719 | if (!entp) |
|
|
720 | break; |
|
|
721 | |
|
|
722 | name = entp->d_name; |
|
|
723 | |
|
|
724 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
725 | { |
|
|
726 | int len = strlen (name) + 1; |
|
|
727 | |
|
|
728 | res++; |
|
|
729 | |
|
|
730 | while (memofs + len > memlen) |
|
|
731 | { |
|
|
732 | memlen *= 2; |
|
|
733 | names = realloc (names, memlen); |
|
|
734 | if (!names) |
|
|
735 | break; |
|
|
736 | } |
|
|
737 | |
|
|
738 | memcpy (names + memofs, name, len); |
|
|
739 | memofs += len; |
|
|
740 | } |
|
|
741 | } |
|
|
742 | |
|
|
743 | errorno = errno; |
|
|
744 | closedir (dirp); |
|
|
745 | |
|
|
746 | if (errorno) |
|
|
747 | { |
|
|
748 | free (names); |
|
|
749 | errno = errorno; |
|
|
750 | res = -1; |
|
|
751 | } |
|
|
752 | |
|
|
753 | *namesp = (void *)names; |
|
|
754 | return res; |
507 | } |
755 | } |
508 | |
756 | |
509 | /*****************************************************************************/ |
757 | /*****************************************************************************/ |
510 | |
758 | |
511 | static void * |
|
|
512 | aio_proc (void *thr_arg) |
759 | static void *aio_proc (void *thr_arg) |
513 | { |
760 | { |
514 | aio_req req; |
761 | aio_req req; |
515 | int type; |
762 | int type; |
516 | |
763 | |
517 | do |
764 | do |
… | |
… | |
536 | |
783 | |
537 | pthread_mutex_unlock (&reqlock); |
784 | pthread_mutex_unlock (&reqlock); |
538 | |
785 | |
539 | errno = 0; /* strictly unnecessary */ |
786 | errno = 0; /* strictly unnecessary */ |
540 | |
787 | |
541 | type = req->type; |
788 | if (!req->cancelled) |
542 | |
789 | switch (type = req->type) /* remember type for QUIT check */ |
543 | switch (type) |
|
|
544 | { |
790 | { |
545 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
791 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
546 | case REQ_WRITE: req->result = pwrite (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; |
547 | |
793 | |
548 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
794 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
549 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
795 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
550 | |
796 | |
551 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
797 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
552 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
798 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
553 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
799 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
554 | |
800 | |
555 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
801 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
556 | case REQ_CLOSE: req->result = close (req->fd); break; |
802 | case REQ_CLOSE: req->result = close (req->fd); break; |
557 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
803 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
558 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
804 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
805 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
806 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
559 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
807 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
560 | |
808 | |
561 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
809 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
562 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
810 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
811 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
563 | |
812 | |
|
|
813 | case REQ_SLEEP: |
|
|
814 | { |
|
|
815 | struct timeval tv; |
|
|
816 | |
|
|
817 | tv.tv_sec = req->fd; |
|
|
818 | tv.tv_usec = req->fd2; |
|
|
819 | |
|
|
820 | req->result = select (0, 0, 0, 0, &tv); |
|
|
821 | } |
|
|
822 | |
564 | case REQ_QUIT: |
823 | case REQ_QUIT: |
565 | break; |
824 | break; |
566 | |
825 | |
567 | default: |
826 | default: |
568 | req->result = ENOSYS; |
827 | req->result = ENOSYS; |
569 | break; |
828 | break; |
570 | } |
829 | } |
571 | |
830 | |
572 | req->errorno = errno; |
831 | req->errorno = errno; |
573 | |
832 | |
574 | pthread_mutex_lock (&reslock); |
833 | pthread_mutex_lock (&reslock); |
575 | |
834 | |
… | |
… | |
593 | while (type != REQ_QUIT); |
852 | while (type != REQ_QUIT); |
594 | |
853 | |
595 | return 0; |
854 | return 0; |
596 | } |
855 | } |
597 | |
856 | |
|
|
857 | /*****************************************************************************/ |
|
|
858 | |
|
|
859 | static void atfork_prepare (void) |
|
|
860 | { |
|
|
861 | pthread_mutex_lock (&reqlock); |
|
|
862 | pthread_mutex_lock (&reslock); |
|
|
863 | #if !HAVE_PREADWRITE |
|
|
864 | pthread_mutex_lock (&preadwritelock); |
|
|
865 | #endif |
|
|
866 | #if !HAVE_READDIR_R |
|
|
867 | pthread_mutex_lock (&readdirlock); |
|
|
868 | #endif |
|
|
869 | } |
|
|
870 | |
|
|
871 | static void atfork_parent (void) |
|
|
872 | { |
|
|
873 | #if !HAVE_READDIR_R |
|
|
874 | pthread_mutex_unlock (&readdirlock); |
|
|
875 | #endif |
|
|
876 | #if !HAVE_PREADWRITE |
|
|
877 | pthread_mutex_unlock (&preadwritelock); |
|
|
878 | #endif |
|
|
879 | pthread_mutex_unlock (&reslock); |
|
|
880 | pthread_mutex_unlock (&reqlock); |
|
|
881 | } |
|
|
882 | |
|
|
883 | static void atfork_child (void) |
|
|
884 | { |
|
|
885 | aio_req prv; |
|
|
886 | |
|
|
887 | started = 0; |
|
|
888 | |
|
|
889 | while (reqs) |
|
|
890 | { |
|
|
891 | prv = reqs; |
|
|
892 | reqs = prv->next; |
|
|
893 | req_free (prv); |
|
|
894 | } |
|
|
895 | |
|
|
896 | reqs = reqe = 0; |
|
|
897 | |
|
|
898 | while (ress) |
|
|
899 | { |
|
|
900 | prv = ress; |
|
|
901 | ress = prv->next; |
|
|
902 | req_free (prv); |
|
|
903 | } |
|
|
904 | |
|
|
905 | ress = rese = 0; |
|
|
906 | |
|
|
907 | close (respipe [0]); |
|
|
908 | close (respipe [1]); |
|
|
909 | create_pipe (); |
|
|
910 | |
|
|
911 | atfork_parent (); |
|
|
912 | } |
|
|
913 | |
598 | #define dREQ \ |
914 | #define dREQ \ |
599 | aio_req req; \ |
915 | aio_req req; \ |
600 | \ |
916 | \ |
601 | if (SvOK (callback) && !SvROK (callback)) \ |
917 | if (SvOK (callback) && !SvROK (callback)) \ |
602 | croak ("clalback must be undef or of reference type"); \ |
918 | croak ("callback must be undef or of reference type"); \ |
603 | \ |
919 | \ |
604 | Newz (0, req, 1, aio_cb); \ |
920 | Newz (0, req, 1, aio_cb); \ |
605 | if (!req) \ |
921 | if (!req) \ |
606 | croak ("out of memory during aio_req allocation"); \ |
922 | croak ("out of memory during aio_req allocation"); \ |
607 | \ |
923 | \ |
608 | req->callback = newSVsv (callback); |
924 | req->callback = newSVsv (callback) |
|
|
925 | |
|
|
926 | #define REQ_SEND \ |
|
|
927 | req_send (req); \ |
|
|
928 | \ |
|
|
929 | if (GIMME_V != G_VOID) \ |
|
|
930 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
609 | |
931 | |
610 | MODULE = IO::AIO PACKAGE = IO::AIO |
932 | MODULE = IO::AIO PACKAGE = IO::AIO |
611 | |
933 | |
612 | PROTOTYPES: ENABLE |
934 | PROTOTYPES: ENABLE |
613 | |
935 | |
614 | BOOT: |
936 | BOOT: |
615 | { |
937 | { |
|
|
938 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
939 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
940 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
941 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
942 | |
616 | create_pipe (); |
943 | create_pipe (); |
617 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
944 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
618 | } |
945 | } |
619 | |
946 | |
620 | void |
947 | void |
621 | min_parallel(nthreads) |
948 | min_parallel (nthreads) |
622 | int nthreads |
949 | int nthreads |
623 | PROTOTYPE: $ |
950 | PROTOTYPE: $ |
624 | |
951 | |
625 | void |
952 | void |
626 | max_parallel(nthreads) |
953 | max_parallel (nthreads) |
627 | int nthreads |
954 | int nthreads |
628 | PROTOTYPE: $ |
955 | PROTOTYPE: $ |
629 | |
956 | |
630 | int |
957 | int |
631 | max_outstanding(nreqs) |
958 | max_outstanding (nreqs) |
632 | int nreqs |
959 | int nreqs |
633 | PROTOTYPE: $ |
960 | PROTOTYPE: $ |
634 | CODE: |
961 | CODE: |
635 | RETVAL = max_outstanding; |
962 | RETVAL = max_outstanding; |
636 | max_outstanding = nreqs; |
963 | max_outstanding = nreqs; |
637 | |
964 | |
638 | void |
965 | void |
639 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
966 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
640 | SV * pathname |
967 | SV * pathname |
641 | int flags |
968 | int flags |
642 | int mode |
969 | int mode |
643 | SV * callback |
970 | SV * callback |
644 | PROTOTYPE: $$$;$ |
971 | PROTOTYPE: $$$;$ |
645 | CODE: |
972 | PPCODE: |
646 | { |
973 | { |
647 | dREQ; |
974 | dREQ; |
648 | |
975 | |
649 | req->type = REQ_OPEN; |
976 | req->type = REQ_OPEN; |
650 | req->data = newSVsv (pathname); |
977 | req->data = newSVsv (pathname); |
651 | req->dataptr = SvPVbyte_nolen (req->data); |
978 | req->dataptr = SvPVbyte_nolen (req->data); |
652 | req->fd = flags; |
979 | req->fd = flags; |
653 | req->mode = mode; |
980 | req->mode = mode; |
654 | |
981 | |
655 | send_req (req); |
982 | REQ_SEND; |
656 | } |
983 | } |
657 | |
984 | |
658 | void |
985 | void |
659 | aio_close(fh,callback=&PL_sv_undef) |
986 | aio_close (fh,callback=&PL_sv_undef) |
660 | SV * fh |
987 | SV * fh |
661 | SV * callback |
988 | SV * callback |
662 | PROTOTYPE: $;$ |
989 | PROTOTYPE: $;$ |
663 | ALIAS: |
990 | ALIAS: |
664 | aio_close = REQ_CLOSE |
991 | aio_close = REQ_CLOSE |
665 | aio_fsync = REQ_FSYNC |
992 | aio_fsync = REQ_FSYNC |
666 | aio_fdatasync = REQ_FDATASYNC |
993 | aio_fdatasync = REQ_FDATASYNC |
667 | CODE: |
994 | PPCODE: |
668 | { |
995 | { |
669 | dREQ; |
996 | dREQ; |
670 | |
997 | |
671 | req->type = ix; |
998 | req->type = ix; |
672 | req->fh = newSVsv (fh); |
999 | req->fh = newSVsv (fh); |
673 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1000 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
674 | |
1001 | |
675 | send_req (req); |
1002 | REQ_SEND (req); |
676 | } |
1003 | } |
677 | |
1004 | |
678 | void |
1005 | void |
679 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1006 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
680 | SV * fh |
1007 | SV * fh |
681 | UV offset |
1008 | UV offset |
682 | UV length |
1009 | UV length |
683 | SV * data |
1010 | SV * data |
684 | UV dataoffset |
1011 | UV dataoffset |
685 | SV * callback |
1012 | SV * callback |
686 | ALIAS: |
1013 | ALIAS: |
687 | aio_read = REQ_READ |
1014 | aio_read = REQ_READ |
688 | aio_write = REQ_WRITE |
1015 | aio_write = REQ_WRITE |
689 | PROTOTYPE: $$$$$;$ |
1016 | PROTOTYPE: $$$$$;$ |
690 | CODE: |
1017 | PPCODE: |
691 | { |
1018 | { |
692 | aio_req req; |
1019 | aio_req req; |
693 | STRLEN svlen; |
1020 | STRLEN svlen; |
694 | char *svptr = SvPVbyte (data, svlen); |
1021 | char *svptr = SvPVbyte (data, svlen); |
695 | |
1022 | |
… | |
… | |
733 | { |
1060 | { |
734 | SvREADONLY_on (data); |
1061 | SvREADONLY_on (data); |
735 | req->data2ptr = (void *)data; |
1062 | req->data2ptr = (void *)data; |
736 | } |
1063 | } |
737 | |
1064 | |
738 | send_req (req); |
1065 | REQ_SEND; |
739 | } |
1066 | } |
740 | } |
1067 | } |
741 | |
1068 | |
742 | void |
1069 | void |
743 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1070 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
744 | SV * out_fh |
1071 | SV * out_fh |
745 | SV * in_fh |
1072 | SV * in_fh |
746 | UV in_offset |
1073 | UV in_offset |
747 | UV length |
1074 | UV length |
748 | SV * callback |
1075 | SV * callback |
749 | PROTOTYPE: $$$$;$ |
1076 | PROTOTYPE: $$$$;$ |
750 | CODE: |
1077 | PPCODE: |
751 | { |
1078 | { |
752 | dREQ; |
1079 | dREQ; |
753 | |
1080 | |
754 | req->type = REQ_SENDFILE; |
1081 | req->type = REQ_SENDFILE; |
755 | req->fh = newSVsv (out_fh); |
1082 | req->fh = newSVsv (out_fh); |
… | |
… | |
757 | req->fh2 = newSVsv (in_fh); |
1084 | req->fh2 = newSVsv (in_fh); |
758 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1085 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
759 | req->offset = in_offset; |
1086 | req->offset = in_offset; |
760 | req->length = length; |
1087 | req->length = length; |
761 | |
1088 | |
762 | send_req (req); |
1089 | REQ_SEND; |
763 | } |
1090 | } |
764 | |
1091 | |
765 | void |
1092 | void |
766 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1093 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
767 | SV * fh |
1094 | SV * fh |
768 | UV offset |
1095 | UV offset |
769 | IV length |
1096 | IV length |
770 | SV * callback |
1097 | SV * callback |
771 | PROTOTYPE: $$$;$ |
1098 | PROTOTYPE: $$$;$ |
772 | CODE: |
1099 | PPCODE: |
773 | { |
1100 | { |
774 | dREQ; |
1101 | dREQ; |
775 | |
1102 | |
776 | req->type = REQ_READAHEAD; |
1103 | req->type = REQ_READAHEAD; |
777 | req->fh = newSVsv (fh); |
1104 | req->fh = newSVsv (fh); |
778 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1105 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
779 | req->offset = offset; |
1106 | req->offset = offset; |
780 | req->length = length; |
1107 | req->length = length; |
781 | |
1108 | |
782 | send_req (req); |
1109 | REQ_SEND; |
783 | } |
1110 | } |
784 | |
1111 | |
785 | void |
1112 | void |
786 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1113 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
787 | SV * fh_or_path |
1114 | SV * fh_or_path |
788 | SV * callback |
1115 | SV * callback |
789 | ALIAS: |
1116 | ALIAS: |
790 | aio_stat = REQ_STAT |
1117 | aio_stat = REQ_STAT |
791 | aio_lstat = REQ_LSTAT |
1118 | aio_lstat = REQ_LSTAT |
792 | CODE: |
1119 | PPCODE: |
793 | { |
1120 | { |
794 | dREQ; |
1121 | dREQ; |
795 | |
1122 | |
796 | New (0, req->statdata, 1, Stat_t); |
1123 | New (0, req->statdata, 1, Stat_t); |
797 | if (!req->statdata) |
1124 | if (!req->statdata) |
798 | { |
1125 | { |
799 | free_req (req); |
1126 | req_free (req); |
800 | croak ("out of memory during aio_req->statdata allocation"); |
1127 | croak ("out of memory during aio_req->statdata allocation"); |
801 | } |
1128 | } |
802 | |
1129 | |
803 | if (SvPOK (fh_or_path)) |
1130 | if (SvPOK (fh_or_path)) |
804 | { |
1131 | { |
… | |
… | |
811 | req->type = REQ_FSTAT; |
1138 | req->type = REQ_FSTAT; |
812 | req->fh = newSVsv (fh_or_path); |
1139 | req->fh = newSVsv (fh_or_path); |
813 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1140 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
814 | } |
1141 | } |
815 | |
1142 | |
816 | send_req (req); |
1143 | REQ_SEND; |
817 | } |
1144 | } |
818 | |
1145 | |
819 | void |
1146 | void |
820 | aio_unlink(pathname,callback=&PL_sv_undef) |
1147 | aio_unlink (pathname,callback=&PL_sv_undef) |
821 | SV * pathname |
1148 | SV * pathname |
822 | SV * callback |
1149 | SV * callback |
823 | ALIAS: |
1150 | ALIAS: |
824 | aio_unlink = REQ_UNLINK |
1151 | aio_unlink = REQ_UNLINK |
825 | aio_rmdir = REQ_RMDIR |
1152 | aio_rmdir = REQ_RMDIR |
|
|
1153 | aio_readdir = REQ_READDIR |
826 | CODE: |
1154 | PPCODE: |
827 | { |
1155 | { |
828 | dREQ; |
1156 | dREQ; |
829 | |
1157 | |
830 | req->type = ix; |
1158 | req->type = ix; |
831 | req->data = newSVsv (pathname); |
1159 | req->data = newSVsv (pathname); |
832 | req->dataptr = SvPVbyte_nolen (req->data); |
1160 | req->dataptr = SvPVbyte_nolen (req->data); |
833 | |
1161 | |
834 | send_req (req); |
1162 | REQ_SEND; |
835 | } |
1163 | } |
836 | |
1164 | |
837 | void |
1165 | void |
838 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1166 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
839 | SV * oldpath |
1167 | SV * oldpath |
840 | SV * newpath |
1168 | SV * newpath |
841 | SV * callback |
1169 | SV * callback |
|
|
1170 | ALIAS: |
|
|
1171 | aio_link = REQ_LINK |
|
|
1172 | aio_symlink = REQ_SYMLINK |
|
|
1173 | aio_rename = REQ_RENAME |
842 | CODE: |
1174 | PPCODE: |
843 | { |
1175 | { |
844 | dREQ; |
1176 | dREQ; |
845 | |
1177 | |
846 | req->type = REQ_SYMLINK; |
1178 | req->type = ix; |
847 | req->fh = newSVsv (oldpath); |
1179 | req->fh = newSVsv (oldpath); |
848 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1180 | req->data2ptr = SvPVbyte_nolen (req->fh); |
849 | req->data = newSVsv (newpath); |
1181 | req->data = newSVsv (newpath); |
850 | req->dataptr = SvPVbyte_nolen (req->data); |
1182 | req->dataptr = SvPVbyte_nolen (req->data); |
851 | |
1183 | |
852 | send_req (req); |
1184 | REQ_SEND; |
853 | } |
1185 | } |
854 | |
1186 | |
855 | void |
1187 | void |
|
|
1188 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1189 | double delay |
|
|
1190 | SV * callback |
|
|
1191 | PPCODE: |
|
|
1192 | { |
|
|
1193 | dREQ; |
|
|
1194 | |
|
|
1195 | req->type = REQ_SLEEP; |
|
|
1196 | req->fd = delay < 0. ? 0 : delay; |
|
|
1197 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1198 | |
|
|
1199 | REQ_SEND; |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | void |
|
|
1203 | aio_group (callback=&PL_sv_undef) |
|
|
1204 | SV * callback |
|
|
1205 | PROTOTYPE: ;$ |
|
|
1206 | PPCODE: |
|
|
1207 | { |
|
|
1208 | dREQ; |
|
|
1209 | req->type = REQ_GROUP; |
|
|
1210 | req_send (req); |
|
|
1211 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1212 | } |
|
|
1213 | |
|
|
1214 | void |
856 | flush() |
1215 | flush () |
857 | PROTOTYPE: |
1216 | PROTOTYPE: |
858 | CODE: |
1217 | CODE: |
859 | while (nreqs) |
1218 | while (nreqs) |
860 | { |
1219 | { |
861 | poll_wait (); |
1220 | poll_wait (); |
… | |
… | |
901 | CODE: |
1260 | CODE: |
902 | RETVAL = nreqs; |
1261 | RETVAL = nreqs; |
903 | OUTPUT: |
1262 | OUTPUT: |
904 | RETVAL |
1263 | RETVAL |
905 | |
1264 | |
|
|
1265 | PROTOTYPES: DISABLE |
|
|
1266 | |
|
|
1267 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1268 | |
|
|
1269 | void |
|
|
1270 | cancel (aio_req_ornot req) |
|
|
1271 | PROTOTYPE: |
|
|
1272 | CODE: |
|
|
1273 | req_cancel (req); |
|
|
1274 | |
|
|
1275 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1276 | |
|
|
1277 | void |
|
|
1278 | add (aio_req grp, ...) |
|
|
1279 | PPCODE: |
|
|
1280 | { |
|
|
1281 | int i; |
|
|
1282 | |
|
|
1283 | if (grp->fd == 2) |
|
|
1284 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1285 | |
|
|
1286 | for (i = 1; i < items; ++i ) |
|
|
1287 | { |
|
|
1288 | if (GIMME_V != G_VOID) |
|
|
1289 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1290 | |
|
|
1291 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1292 | |
|
|
1293 | if (req) |
|
|
1294 | { |
|
|
1295 | ++grp->length; |
|
|
1296 | req->grp = grp; |
|
|
1297 | |
|
|
1298 | req->grp_prev = 0; |
|
|
1299 | req->grp_next = grp->grp_first; |
|
|
1300 | |
|
|
1301 | if (grp->grp_first) |
|
|
1302 | grp->grp_first->grp_prev = req; |
|
|
1303 | |
|
|
1304 | grp->grp_first = req; |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | } |
|
|
1308 | |
|
|
1309 | void |
|
|
1310 | result (aio_req grp, ...) |
|
|
1311 | CODE: |
|
|
1312 | { |
|
|
1313 | int i; |
|
|
1314 | AV *av = newAV (); |
|
|
1315 | |
|
|
1316 | for (i = 1; i < items; ++i ) |
|
|
1317 | av_push (av, newSVsv (ST (i))); |
|
|
1318 | |
|
|
1319 | SvREFCNT_dec (grp->data); |
|
|
1320 | grp->data = (SV *)av; |
|
|
1321 | } |
|
|
1322 | |
|
|
1323 | 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) |
|
|
1335 | CODE: |
|
|
1336 | grp->fd2 = limit; |
|
|
1337 | aio_grp_feed (grp); |
|
|
1338 | |
|
|
1339 | void |
|
|
1340 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1341 | CODE: |
|
|
1342 | { |
|
|
1343 | SvREFCNT_dec (grp->fh2); |
|
|
1344 | grp->fh2 = newSVsv (callback); |
|
|
1345 | |
|
|
1346 | if (grp->fd2 <= 0) |
|
|
1347 | grp->fd2 = 2; |
|
|
1348 | |
|
|
1349 | aio_grp_feed (grp); |
|
|
1350 | } |
|
|
1351 | |