… | |
… | |
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 | |
83 | static void free_req (aio_req req) |
106 | static void req_free (aio_req req); |
84 | { |
|
|
85 | if (req->data) |
|
|
86 | SvREFCNT_dec (req->data); |
|
|
87 | |
107 | |
|
|
108 | /* must be called at most once */ |
|
|
109 | static SV *req_sv (aio_req req, const char *klass) |
|
|
110 | { |
88 | if (req->fh) |
111 | if (!req->self) |
89 | SvREFCNT_dec (req->fh); |
112 | { |
|
|
113 | req->self = (SV *)newHV (); |
|
|
114 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
115 | } |
90 | |
116 | |
91 | if (req->fh2) |
117 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
|
|
118 | } |
|
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119 | |
|
|
120 | static aio_req SvAIO_REQ (SV *sv) |
|
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121 | { |
|
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122 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
|
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123 | croak ("object of class " AIO_REQ_KLASS " expected"); |
|
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124 | |
|
|
125 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
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126 | |
|
|
127 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
128 | } |
|
|
129 | |
|
|
130 | static void aio_grp_feed (aio_req grp) |
|
|
131 | { |
|
|
132 | while (grp->length < grp->fd2) |
|
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133 | { |
|
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134 | int old_len = grp->length; |
|
|
135 | |
|
|
136 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
137 | { |
|
|
138 | dSP; |
|
|
139 | |
|
|
140 | ENTER; |
|
|
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; |
|
|
149 | } |
|
|
150 | |
|
|
151 | /* stop if no progress has been made */ |
|
|
152 | if (old_len == grp->length) |
|
|
153 | { |
92 | SvREFCNT_dec (req->fh2); |
154 | SvREFCNT_dec (grp->fh2); |
93 | |
155 | grp->fh2 = 0; |
94 | if (req->statdata) |
156 | break; |
95 | Safefree (req->statdata); |
157 | } |
96 | |
158 | } |
97 | if (req->callback) |
|
|
98 | SvREFCNT_dec (req->callback); |
|
|
99 | |
|
|
100 | Safefree (req); |
|
|
101 | } |
159 | } |
102 | |
160 | |
103 | static void |
161 | static void poll_wait () |
104 | poll_wait () |
|
|
105 | { |
162 | { |
106 | if (nreqs && !ress) |
163 | if (nreqs && !ress) |
107 | { |
164 | { |
108 | fd_set rfd; |
165 | fd_set rfd; |
109 | FD_ZERO(&rfd); |
166 | FD_ZERO(&rfd); |
… | |
… | |
111 | |
168 | |
112 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
169 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
113 | } |
170 | } |
114 | } |
171 | } |
115 | |
172 | |
116 | static int |
173 | static void req_invoke (aio_req req) |
117 | poll_cb () |
174 | { |
|
|
175 | dSP; |
|
|
176 | int errorno = errno; |
|
|
177 | |
|
|
178 | if (req->cancelled || !SvOK (req->callback)) |
|
|
179 | return; |
|
|
180 | |
|
|
181 | errno = req->errorno; |
|
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182 | |
|
|
183 | ENTER; |
|
|
184 | SAVETMPS; |
|
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185 | PUSHMARK (SP); |
|
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186 | EXTEND (SP, 1); |
|
|
187 | |
|
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188 | switch (req->type) |
|
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189 | { |
|
|
190 | case REQ_READDIR: |
|
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191 | { |
|
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192 | SV *rv = &PL_sv_undef; |
|
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193 | |
|
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194 | if (req->result >= 0) |
|
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195 | { |
|
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196 | char *buf = req->data2ptr; |
|
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197 | AV *av = newAV (); |
|
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198 | |
|
|
199 | while (req->result) |
|
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200 | { |
|
|
201 | SV *sv = newSVpv (buf, 0); |
|
|
202 | |
|
|
203 | av_push (av, sv); |
|
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204 | buf += SvCUR (sv) + 1; |
|
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205 | req->result--; |
|
|
206 | } |
|
|
207 | |
|
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208 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
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209 | } |
|
|
210 | |
|
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211 | PUSHs (rv); |
|
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212 | } |
|
|
213 | break; |
|
|
214 | |
|
|
215 | case REQ_OPEN: |
|
|
216 | { |
|
|
217 | /* convert fd to fh */ |
|
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218 | SV *fh; |
|
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219 | |
|
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220 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
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221 | PUTBACK; |
|
|
222 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
223 | SPAGAIN; |
|
|
224 | |
|
|
225 | fh = SvREFCNT_inc (POPs); |
|
|
226 | |
|
|
227 | PUSHMARK (SP); |
|
|
228 | XPUSHs (sv_2mortal (fh)); |
|
|
229 | } |
|
|
230 | break; |
|
|
231 | |
|
|
232 | case REQ_GROUP: |
|
|
233 | req->fd = 2; /* mark group as finished */ |
|
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234 | |
|
|
235 | if (req->data) |
|
|
236 | { |
|
|
237 | int i; |
|
|
238 | AV *av = (AV *)req->data; |
|
|
239 | |
|
|
240 | EXTEND (SP, AvFILL (av) + 1); |
|
|
241 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
242 | PUSHs (*av_fetch (av, i, 0)); |
|
|
243 | } |
|
|
244 | break; |
|
|
245 | |
|
|
246 | case REQ_SLEEP: |
|
|
247 | break; |
|
|
248 | |
|
|
249 | default: |
|
|
250 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
251 | break; |
|
|
252 | } |
|
|
253 | |
|
|
254 | |
|
|
255 | PUTBACK; |
|
|
256 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
257 | SPAGAIN; |
|
|
258 | |
|
|
259 | if (SvTRUE (ERRSV)) |
|
|
260 | { |
|
|
261 | req_free (req); |
|
|
262 | croak (0); |
|
|
263 | } |
|
|
264 | |
|
|
265 | FREETMPS; |
|
|
266 | LEAVE; |
|
|
267 | |
|
|
268 | errno = errorno; |
|
|
269 | } |
|
|
270 | |
|
|
271 | static void req_free (aio_req req) |
|
|
272 | { |
|
|
273 | if (req->grp) |
|
|
274 | { |
|
|
275 | aio_req grp = req->grp; |
|
|
276 | |
|
|
277 | /* unlink request */ |
|
|
278 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
279 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
280 | |
|
|
281 | if (grp->grp_first == req) |
|
|
282 | grp->grp_first = req->grp_next; |
|
|
283 | |
|
|
284 | --grp->length; |
|
|
285 | |
|
|
286 | /* call feeder, if applicable */ |
|
|
287 | aio_grp_feed (grp); |
|
|
288 | |
|
|
289 | /* finish, if done */ |
|
|
290 | if (!grp->length && grp->fd) |
|
|
291 | { |
|
|
292 | req_invoke (grp); |
|
|
293 | req_free (grp); |
|
|
294 | } |
|
|
295 | } |
|
|
296 | |
|
|
297 | if (req->self) |
|
|
298 | { |
|
|
299 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
300 | SvREFCNT_dec (req->self); |
|
|
301 | } |
|
|
302 | |
|
|
303 | SvREFCNT_dec (req->data); |
|
|
304 | SvREFCNT_dec (req->fh); |
|
|
305 | SvREFCNT_dec (req->fh2); |
|
|
306 | SvREFCNT_dec (req->callback); |
|
|
307 | Safefree (req->statdata); |
|
|
308 | |
|
|
309 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
310 | free (req->data2ptr); |
|
|
311 | |
|
|
312 | Safefree (req); |
|
|
313 | } |
|
|
314 | |
|
|
315 | static void req_cancel (aio_req req) |
|
|
316 | { |
|
|
317 | req->cancelled = 1; |
|
|
318 | |
|
|
319 | if (req->type == REQ_GROUP) |
|
|
320 | { |
|
|
321 | aio_req sub; |
|
|
322 | |
|
|
323 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
324 | req_cancel (sub); |
|
|
325 | } |
|
|
326 | } |
|
|
327 | |
|
|
328 | static int poll_cb () |
118 | { |
329 | { |
119 | dSP; |
330 | dSP; |
120 | int count = 0; |
331 | int count = 0; |
121 | int do_croak = 0; |
332 | int do_croak = 0; |
122 | aio_req req; |
333 | aio_req req; |
… | |
… | |
148 | |
359 | |
149 | nreqs--; |
360 | nreqs--; |
150 | |
361 | |
151 | if (req->type == REQ_QUIT) |
362 | if (req->type == REQ_QUIT) |
152 | started--; |
363 | started--; |
|
|
364 | else if (req->type == REQ_GROUP && req->length) |
|
|
365 | { |
|
|
366 | req->fd = 1; /* mark request as delayed */ |
|
|
367 | continue; |
|
|
368 | } |
153 | else |
369 | else |
154 | { |
370 | { |
155 | int errorno = errno; |
|
|
156 | errno = req->errorno; |
|
|
157 | |
|
|
158 | if (req->type == REQ_READ) |
371 | if (req->type == REQ_READ) |
159 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
372 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
160 | |
373 | |
161 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
374 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
162 | SvREADONLY_off (req->data); |
375 | SvREADONLY_off (req->data); |
… | |
… | |
166 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
379 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
167 | PL_laststatval = req->result; |
380 | PL_laststatval = req->result; |
168 | PL_statcache = *(req->statdata); |
381 | PL_statcache = *(req->statdata); |
169 | } |
382 | } |
170 | |
383 | |
171 | ENTER; |
384 | req_invoke (req); |
172 | PUSHMARK (SP); |
|
|
173 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
174 | |
385 | |
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++; |
386 | count++; |
207 | } |
387 | } |
208 | |
388 | |
209 | free_req (req); |
389 | req_free (req); |
210 | } |
390 | } |
211 | |
391 | |
212 | return count; |
392 | return count; |
213 | } |
393 | } |
214 | |
394 | |
215 | static void *aio_proc(void *arg); |
395 | static void *aio_proc(void *arg); |
216 | |
396 | |
217 | static void |
|
|
218 | start_thread (void) |
397 | static void start_thread (void) |
219 | { |
398 | { |
220 | sigset_t fullsigset, oldsigset; |
399 | sigset_t fullsigset, oldsigset; |
221 | pthread_t tid; |
400 | pthread_t tid; |
222 | pthread_attr_t attr; |
401 | pthread_attr_t attr; |
223 | |
402 | |
… | |
… | |
232 | started++; |
411 | started++; |
233 | |
412 | |
234 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
413 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
235 | } |
414 | } |
236 | |
415 | |
237 | static void |
416 | static void req_send (aio_req req) |
238 | send_req (aio_req req) |
|
|
239 | { |
417 | { |
240 | while (started < wanted && nreqs >= started) |
418 | while (started < wanted && nreqs >= started) |
241 | start_thread (); |
419 | start_thread (); |
242 | |
420 | |
243 | nreqs++; |
421 | nreqs++; |
… | |
… | |
267 | |
445 | |
268 | poll_wait (); |
446 | poll_wait (); |
269 | } |
447 | } |
270 | } |
448 | } |
271 | |
449 | |
272 | static void |
450 | static void end_thread (void) |
273 | end_thread (void) |
|
|
274 | { |
451 | { |
275 | aio_req req; |
452 | aio_req req; |
276 | Newz (0, req, 1, aio_cb); |
453 | Newz (0, req, 1, aio_cb); |
277 | req->type = REQ_QUIT; |
454 | req->type = REQ_QUIT; |
278 | |
455 | |
279 | send_req (req); |
456 | req_send (req); |
280 | } |
457 | } |
281 | |
458 | |
282 | static void min_parallel (int nthreads) |
459 | static void min_parallel (int nthreads) |
283 | { |
460 | { |
284 | if (wanted < nthreads) |
461 | if (wanted < nthreads) |
… | |
… | |
313 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
490 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
314 | croak ("cannot set result pipe to nonblocking mode"); |
491 | croak ("cannot set result pipe to nonblocking mode"); |
315 | |
492 | |
316 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
493 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
317 | croak ("cannot set result pipe to nonblocking mode"); |
494 | 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 | } |
495 | } |
362 | |
496 | |
363 | /*****************************************************************************/ |
497 | /*****************************************************************************/ |
364 | /* work around various missing functions */ |
498 | /* work around various missing functions */ |
365 | |
499 | |
… | |
… | |
370 | /* |
504 | /* |
371 | * make our pread/pwrite safe against themselves, but not against |
505 | * make our pread/pwrite safe against themselves, but not against |
372 | * normal read/write by using a mutex. slows down execution a lot, |
506 | * normal read/write by using a mutex. slows down execution a lot, |
373 | * but that's your problem, not mine. |
507 | * but that's your problem, not mine. |
374 | */ |
508 | */ |
375 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
509 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
376 | |
510 | |
377 | static ssize_t |
511 | 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 | { |
512 | { |
380 | ssize_t res; |
513 | ssize_t res; |
381 | off_t ooffset; |
514 | off_t ooffset; |
382 | |
515 | |
383 | pthread_mutex_lock (&iolock); |
516 | pthread_mutex_lock (&preadwritelock); |
384 | ooffset = lseek (fd, 0, SEEK_CUR); |
517 | ooffset = lseek (fd, 0, SEEK_CUR); |
385 | lseek (fd, offset, SEEK_SET); |
518 | lseek (fd, offset, SEEK_SET); |
386 | res = read (fd, buf, count); |
519 | res = read (fd, buf, count); |
387 | lseek (fd, ooffset, SEEK_SET); |
520 | lseek (fd, ooffset, SEEK_SET); |
388 | pthread_mutex_unlock (&iolock); |
521 | pthread_mutex_unlock (&preadwritelock); |
389 | |
522 | |
390 | return res; |
523 | return res; |
391 | } |
524 | } |
392 | |
525 | |
393 | static ssize_t |
|
|
394 | pwrite (int fd, void *buf, size_t count, off_t offset) |
526 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
395 | { |
527 | { |
396 | ssize_t res; |
528 | ssize_t res; |
397 | off_t ooffset; |
529 | off_t ooffset; |
398 | |
530 | |
399 | pthread_mutex_lock (&iolock); |
531 | pthread_mutex_lock (&preadwritelock); |
400 | ooffset = lseek (fd, 0, SEEK_CUR); |
532 | ooffset = lseek (fd, 0, SEEK_CUR); |
401 | lseek (fd, offset, SEEK_SET); |
533 | lseek (fd, offset, SEEK_SET); |
402 | res = write (fd, buf, count); |
534 | res = write (fd, buf, count); |
403 | lseek (fd, offset, SEEK_SET); |
535 | lseek (fd, offset, SEEK_SET); |
404 | pthread_mutex_unlock (&iolock); |
536 | pthread_mutex_unlock (&preadwritelock); |
405 | |
537 | |
406 | return res; |
538 | return res; |
407 | } |
539 | } |
408 | #endif |
540 | #endif |
409 | |
541 | |
… | |
… | |
412 | #endif |
544 | #endif |
413 | |
545 | |
414 | #if !HAVE_READAHEAD |
546 | #if !HAVE_READAHEAD |
415 | # define readahead aio_readahead |
547 | # define readahead aio_readahead |
416 | |
548 | |
|
|
549 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
550 | { |
417 | static char readahead_buf[4096]; |
551 | char readahead_buf[4096]; |
418 | |
552 | |
419 | static ssize_t |
|
|
420 | readahead (int fd, off_t offset, size_t count) |
|
|
421 | { |
|
|
422 | while (count > 0) |
553 | while (count > 0) |
423 | { |
554 | { |
424 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
555 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
425 | |
556 | |
426 | pread (fd, readahead_buf, len, offset); |
557 | pread (fd, readahead_buf, len, offset); |
… | |
… | |
430 | |
561 | |
431 | errno = 0; |
562 | errno = 0; |
432 | } |
563 | } |
433 | #endif |
564 | #endif |
434 | |
565 | |
|
|
566 | #if !HAVE_READDIR_R |
|
|
567 | # define readdir_r aio_readdir_r |
|
|
568 | |
|
|
569 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
570 | |
|
|
571 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
572 | { |
|
|
573 | struct dirent *e; |
|
|
574 | int errorno; |
|
|
575 | |
|
|
576 | pthread_mutex_lock (&readdirlock); |
|
|
577 | |
|
|
578 | e = readdir (dirp); |
|
|
579 | errorno = errno; |
|
|
580 | |
|
|
581 | if (e) |
|
|
582 | { |
|
|
583 | *res = ent; |
|
|
584 | strcpy (ent->d_name, e->d_name); |
|
|
585 | } |
|
|
586 | else |
|
|
587 | *res = 0; |
|
|
588 | |
|
|
589 | pthread_mutex_unlock (&readdirlock); |
|
|
590 | |
|
|
591 | errno = errorno; |
|
|
592 | return e ? 0 : -1; |
|
|
593 | } |
|
|
594 | #endif |
|
|
595 | |
435 | /* sendfile always needs emulation */ |
596 | /* sendfile always needs emulation */ |
436 | static ssize_t |
|
|
437 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
597 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
438 | { |
598 | { |
439 | ssize_t res; |
599 | ssize_t res; |
440 | |
600 | |
441 | if (!count) |
601 | if (!count) |
442 | return 0; |
602 | return 0; |
443 | |
603 | |
|
|
604 | #if HAVE_SENDFILE |
444 | #if __linux |
605 | # if __linux |
445 | res = sendfile (ofd, ifd, &offset, count); |
606 | res = sendfile (ofd, ifd, &offset, count); |
446 | |
607 | |
447 | #elif __freebsd |
608 | # elif __freebsd |
448 | /* |
609 | /* |
449 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
610 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
450 | * wasted on making it similar to other i/o functions. |
611 | * wasted on making it similar to other I/O functions. |
451 | */ |
612 | */ |
452 | { |
613 | { |
453 | off_t sbytes; |
614 | off_t sbytes; |
454 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
615 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
455 | |
616 | |
456 | if (!res && errno == EAGAIN) |
617 | if (res < 0 && sbytes) |
457 | /* maybe on others, too, as usual, the manpage leaves you guessing */ |
618 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
458 | res = sbytes; |
619 | res = sbytes; |
459 | } |
620 | } |
460 | |
621 | |
461 | #elif __hpux |
622 | # elif __hpux |
462 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
623 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
463 | |
624 | |
|
|
625 | # elif __solaris |
|
|
626 | { |
|
|
627 | struct sendfilevec vec; |
|
|
628 | size_t sbytes; |
|
|
629 | |
|
|
630 | vec.sfv_fd = ifd; |
|
|
631 | vec.sfv_flag = 0; |
|
|
632 | vec.sfv_off = offset; |
|
|
633 | vec.sfv_len = count; |
|
|
634 | |
|
|
635 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
636 | |
|
|
637 | if (res < 0 && sbytes) |
|
|
638 | res = sbytes; |
|
|
639 | } |
|
|
640 | |
|
|
641 | # endif |
464 | #else |
642 | #else |
465 | res = -1; |
643 | res = -1; |
466 | errno = ENOSYS; |
644 | errno = ENOSYS; |
467 | #endif |
645 | #endif |
468 | |
646 | |
|
|
647 | if (res < 0 |
469 | if (res < 0 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK)) |
648 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
649 | #if __solaris |
|
|
650 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
651 | #endif |
|
|
652 | ) |
|
|
653 | ) |
470 | { |
654 | { |
471 | /* emulate sendfile. this is a major pain in the ass */ |
655 | /* emulate sendfile. this is a major pain in the ass */ |
472 | char *buf = malloc (4096); |
656 | char buf[4096]; |
473 | res = 0; |
657 | res = 0; |
474 | |
658 | |
475 | for (;;) |
659 | while (count) |
476 | { |
660 | { |
477 | ssize_t cnt; |
661 | ssize_t cnt; |
478 | |
662 | |
479 | cnt = pread (ifd, buf, 4096, offset); |
663 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
480 | |
664 | |
481 | if (cnt <= 0) |
665 | if (cnt <= 0) |
482 | { |
666 | { |
483 | if (cnt && !res) res = -1; |
667 | if (cnt && !res) res = -1; |
484 | break; |
668 | break; |
485 | } |
669 | } |
486 | |
670 | |
487 | cnt = write (ofd, buf, cnt); |
671 | cnt = write (ofd, buf, cnt); |
488 | |
672 | |
489 | if (cnt <= 0) |
673 | if (cnt <= 0) |
490 | { |
674 | { |
491 | if (cnt && !res) res = -1; |
675 | if (cnt && !res) res = -1; |
492 | break; |
676 | break; |
493 | } |
677 | } |
494 | |
678 | |
495 | offset += cnt; |
679 | offset += cnt; |
496 | res += cnt; |
680 | res += cnt; |
|
|
681 | count -= cnt; |
497 | } |
682 | } |
498 | |
|
|
499 | { |
|
|
500 | int errorno = errno; |
|
|
501 | free (buf); |
|
|
502 | errno = errorno; |
|
|
503 | } |
|
|
504 | } |
683 | } |
505 | |
684 | |
506 | return res; |
685 | return res; |
|
|
686 | } |
|
|
687 | |
|
|
688 | /* read a full directory */ |
|
|
689 | static int scandir_ (const char *path, void **namesp) |
|
|
690 | { |
|
|
691 | DIR *dirp = opendir (path); |
|
|
692 | union |
|
|
693 | { |
|
|
694 | struct dirent d; |
|
|
695 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
696 | } u; |
|
|
697 | struct dirent *entp; |
|
|
698 | char *name, *names; |
|
|
699 | int memlen = 4096; |
|
|
700 | int memofs = 0; |
|
|
701 | int res = 0; |
|
|
702 | int errorno; |
|
|
703 | |
|
|
704 | if (!dirp) |
|
|
705 | return -1; |
|
|
706 | |
|
|
707 | names = malloc (memlen); |
|
|
708 | |
|
|
709 | for (;;) |
|
|
710 | { |
|
|
711 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
712 | |
|
|
713 | if (!entp) |
|
|
714 | break; |
|
|
715 | |
|
|
716 | name = entp->d_name; |
|
|
717 | |
|
|
718 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
719 | { |
|
|
720 | int len = strlen (name) + 1; |
|
|
721 | |
|
|
722 | res++; |
|
|
723 | |
|
|
724 | while (memofs + len > memlen) |
|
|
725 | { |
|
|
726 | memlen *= 2; |
|
|
727 | names = realloc (names, memlen); |
|
|
728 | if (!names) |
|
|
729 | break; |
|
|
730 | } |
|
|
731 | |
|
|
732 | memcpy (names + memofs, name, len); |
|
|
733 | memofs += len; |
|
|
734 | } |
|
|
735 | } |
|
|
736 | |
|
|
737 | errorno = errno; |
|
|
738 | closedir (dirp); |
|
|
739 | |
|
|
740 | if (errorno) |
|
|
741 | { |
|
|
742 | free (names); |
|
|
743 | errno = errorno; |
|
|
744 | res = -1; |
|
|
745 | } |
|
|
746 | |
|
|
747 | *namesp = (void *)names; |
|
|
748 | return res; |
507 | } |
749 | } |
508 | |
750 | |
509 | /*****************************************************************************/ |
751 | /*****************************************************************************/ |
510 | |
752 | |
511 | static void * |
|
|
512 | aio_proc (void *thr_arg) |
753 | static void *aio_proc (void *thr_arg) |
513 | { |
754 | { |
514 | aio_req req; |
755 | aio_req req; |
515 | int type; |
756 | int type; |
516 | |
757 | |
517 | do |
758 | do |
… | |
… | |
536 | |
777 | |
537 | pthread_mutex_unlock (&reqlock); |
778 | pthread_mutex_unlock (&reqlock); |
538 | |
779 | |
539 | errno = 0; /* strictly unnecessary */ |
780 | errno = 0; /* strictly unnecessary */ |
540 | |
781 | |
541 | type = req->type; |
782 | if (!req->cancelled) |
542 | |
|
|
543 | switch (type) |
783 | switch (req->type) |
544 | { |
784 | { |
545 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
785 | 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; |
786 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
547 | |
787 | |
548 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
788 | 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; |
789 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
550 | |
790 | |
551 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
791 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
552 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
792 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
553 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
793 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
554 | |
794 | |
555 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
795 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
556 | case REQ_CLOSE: req->result = close (req->fd); break; |
796 | case REQ_CLOSE: req->result = close (req->fd); break; |
557 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
797 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
558 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
798 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
799 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
800 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
559 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
801 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
560 | |
802 | |
561 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
803 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
562 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
804 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
805 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
563 | |
806 | |
|
|
807 | case REQ_SLEEP: |
|
|
808 | { |
|
|
809 | struct timeval tv; |
|
|
810 | |
|
|
811 | tv.tv_sec = req->fd; |
|
|
812 | tv.tv_usec = req->fd2; |
|
|
813 | |
|
|
814 | req->result = select (0, 0, 0, 0, &tv); |
|
|
815 | } |
|
|
816 | |
564 | case REQ_QUIT: |
817 | case REQ_QUIT: |
565 | break; |
818 | break; |
566 | |
819 | |
567 | default: |
820 | default: |
568 | req->result = ENOSYS; |
821 | req->result = ENOSYS; |
569 | break; |
822 | break; |
570 | } |
823 | } |
571 | |
824 | |
572 | req->errorno = errno; |
825 | req->errorno = errno; |
573 | |
826 | |
574 | pthread_mutex_lock (&reslock); |
827 | pthread_mutex_lock (&reslock); |
575 | |
828 | |
… | |
… | |
593 | while (type != REQ_QUIT); |
846 | while (type != REQ_QUIT); |
594 | |
847 | |
595 | return 0; |
848 | return 0; |
596 | } |
849 | } |
597 | |
850 | |
|
|
851 | /*****************************************************************************/ |
|
|
852 | |
|
|
853 | static void atfork_prepare (void) |
|
|
854 | { |
|
|
855 | pthread_mutex_lock (&reqlock); |
|
|
856 | pthread_mutex_lock (&reslock); |
|
|
857 | #if !HAVE_PREADWRITE |
|
|
858 | pthread_mutex_lock (&preadwritelock); |
|
|
859 | #endif |
|
|
860 | #if !HAVE_READDIR_R |
|
|
861 | pthread_mutex_lock (&readdirlock); |
|
|
862 | #endif |
|
|
863 | } |
|
|
864 | |
|
|
865 | static void atfork_parent (void) |
|
|
866 | { |
|
|
867 | #if !HAVE_READDIR_R |
|
|
868 | pthread_mutex_unlock (&readdirlock); |
|
|
869 | #endif |
|
|
870 | #if !HAVE_PREADWRITE |
|
|
871 | pthread_mutex_unlock (&preadwritelock); |
|
|
872 | #endif |
|
|
873 | pthread_mutex_unlock (&reslock); |
|
|
874 | pthread_mutex_unlock (&reqlock); |
|
|
875 | } |
|
|
876 | |
|
|
877 | static void atfork_child (void) |
|
|
878 | { |
|
|
879 | aio_req prv; |
|
|
880 | |
|
|
881 | started = 0; |
|
|
882 | |
|
|
883 | while (reqs) |
|
|
884 | { |
|
|
885 | prv = reqs; |
|
|
886 | reqs = prv->next; |
|
|
887 | req_free (prv); |
|
|
888 | } |
|
|
889 | |
|
|
890 | reqs = reqe = 0; |
|
|
891 | |
|
|
892 | while (ress) |
|
|
893 | { |
|
|
894 | prv = ress; |
|
|
895 | ress = prv->next; |
|
|
896 | req_free (prv); |
|
|
897 | } |
|
|
898 | |
|
|
899 | ress = rese = 0; |
|
|
900 | |
|
|
901 | close (respipe [0]); |
|
|
902 | close (respipe [1]); |
|
|
903 | create_pipe (); |
|
|
904 | |
|
|
905 | atfork_parent (); |
|
|
906 | } |
|
|
907 | |
598 | #define dREQ \ |
908 | #define dREQ \ |
599 | aio_req req; \ |
909 | aio_req req; \ |
600 | \ |
910 | \ |
601 | if (SvOK (callback) && !SvROK (callback)) \ |
911 | if (SvOK (callback) && !SvROK (callback)) \ |
602 | croak ("clalback must be undef or of reference type"); \ |
912 | croak ("callback must be undef or of reference type"); \ |
603 | \ |
913 | \ |
604 | Newz (0, req, 1, aio_cb); \ |
914 | Newz (0, req, 1, aio_cb); \ |
605 | if (!req) \ |
915 | if (!req) \ |
606 | croak ("out of memory during aio_req allocation"); \ |
916 | croak ("out of memory during aio_req allocation"); \ |
607 | \ |
917 | \ |
608 | req->callback = newSVsv (callback); |
918 | req->callback = newSVsv (callback) |
|
|
919 | |
|
|
920 | #define REQ_SEND \ |
|
|
921 | req_send (req); \ |
|
|
922 | \ |
|
|
923 | if (GIMME_V != G_VOID) \ |
|
|
924 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
609 | |
925 | |
610 | MODULE = IO::AIO PACKAGE = IO::AIO |
926 | MODULE = IO::AIO PACKAGE = IO::AIO |
611 | |
927 | |
612 | PROTOTYPES: ENABLE |
928 | PROTOTYPES: ENABLE |
613 | |
929 | |
614 | BOOT: |
930 | BOOT: |
615 | { |
931 | { |
|
|
932 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
933 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
934 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
935 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
936 | |
616 | create_pipe (); |
937 | create_pipe (); |
617 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
938 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
618 | } |
939 | } |
619 | |
940 | |
620 | void |
941 | void |
621 | min_parallel(nthreads) |
942 | min_parallel (nthreads) |
622 | int nthreads |
943 | int nthreads |
623 | PROTOTYPE: $ |
944 | PROTOTYPE: $ |
624 | |
945 | |
625 | void |
946 | void |
626 | max_parallel(nthreads) |
947 | max_parallel (nthreads) |
627 | int nthreads |
948 | int nthreads |
628 | PROTOTYPE: $ |
949 | PROTOTYPE: $ |
629 | |
950 | |
630 | int |
951 | int |
631 | max_outstanding(nreqs) |
952 | max_outstanding (nreqs) |
632 | int nreqs |
953 | int nreqs |
633 | PROTOTYPE: $ |
954 | PROTOTYPE: $ |
634 | CODE: |
955 | CODE: |
635 | RETVAL = max_outstanding; |
956 | RETVAL = max_outstanding; |
636 | max_outstanding = nreqs; |
957 | max_outstanding = nreqs; |
637 | |
958 | |
638 | void |
959 | void |
639 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
960 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
640 | SV * pathname |
961 | SV * pathname |
641 | int flags |
962 | int flags |
642 | int mode |
963 | int mode |
643 | SV * callback |
964 | SV * callback |
644 | PROTOTYPE: $$$;$ |
965 | PROTOTYPE: $$$;$ |
645 | CODE: |
966 | PPCODE: |
646 | { |
967 | { |
647 | dREQ; |
968 | dREQ; |
648 | |
969 | |
649 | req->type = REQ_OPEN; |
970 | req->type = REQ_OPEN; |
650 | req->data = newSVsv (pathname); |
971 | req->data = newSVsv (pathname); |
651 | req->dataptr = SvPVbyte_nolen (req->data); |
972 | req->dataptr = SvPVbyte_nolen (req->data); |
652 | req->fd = flags; |
973 | req->fd = flags; |
653 | req->mode = mode; |
974 | req->mode = mode; |
654 | |
975 | |
655 | send_req (req); |
976 | REQ_SEND; |
656 | } |
977 | } |
657 | |
978 | |
658 | void |
979 | void |
659 | aio_close(fh,callback=&PL_sv_undef) |
980 | aio_close (fh,callback=&PL_sv_undef) |
660 | SV * fh |
981 | SV * fh |
661 | SV * callback |
982 | SV * callback |
662 | PROTOTYPE: $;$ |
983 | PROTOTYPE: $;$ |
663 | ALIAS: |
984 | ALIAS: |
664 | aio_close = REQ_CLOSE |
985 | aio_close = REQ_CLOSE |
665 | aio_fsync = REQ_FSYNC |
986 | aio_fsync = REQ_FSYNC |
666 | aio_fdatasync = REQ_FDATASYNC |
987 | aio_fdatasync = REQ_FDATASYNC |
667 | CODE: |
988 | PPCODE: |
668 | { |
989 | { |
669 | dREQ; |
990 | dREQ; |
670 | |
991 | |
671 | req->type = ix; |
992 | req->type = ix; |
672 | req->fh = newSVsv (fh); |
993 | req->fh = newSVsv (fh); |
673 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
994 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
674 | |
995 | |
675 | send_req (req); |
996 | REQ_SEND (req); |
676 | } |
997 | } |
677 | |
998 | |
678 | void |
999 | void |
679 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1000 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
680 | SV * fh |
1001 | SV * fh |
681 | UV offset |
1002 | UV offset |
682 | UV length |
1003 | UV length |
683 | SV * data |
1004 | SV * data |
684 | UV dataoffset |
1005 | UV dataoffset |
685 | SV * callback |
1006 | SV * callback |
686 | ALIAS: |
1007 | ALIAS: |
687 | aio_read = REQ_READ |
1008 | aio_read = REQ_READ |
688 | aio_write = REQ_WRITE |
1009 | aio_write = REQ_WRITE |
689 | PROTOTYPE: $$$$$;$ |
1010 | PROTOTYPE: $$$$$;$ |
690 | CODE: |
1011 | PPCODE: |
691 | { |
1012 | { |
692 | aio_req req; |
1013 | aio_req req; |
693 | STRLEN svlen; |
1014 | STRLEN svlen; |
694 | char *svptr = SvPVbyte (data, svlen); |
1015 | char *svptr = SvPVbyte (data, svlen); |
695 | |
1016 | |
… | |
… | |
733 | { |
1054 | { |
734 | SvREADONLY_on (data); |
1055 | SvREADONLY_on (data); |
735 | req->data2ptr = (void *)data; |
1056 | req->data2ptr = (void *)data; |
736 | } |
1057 | } |
737 | |
1058 | |
738 | send_req (req); |
1059 | REQ_SEND; |
739 | } |
1060 | } |
740 | } |
1061 | } |
741 | |
1062 | |
742 | void |
1063 | void |
743 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1064 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
744 | SV * out_fh |
1065 | SV * out_fh |
745 | SV * in_fh |
1066 | SV * in_fh |
746 | UV in_offset |
1067 | UV in_offset |
747 | UV length |
1068 | UV length |
748 | SV * callback |
1069 | SV * callback |
749 | PROTOTYPE: $$$$;$ |
1070 | PROTOTYPE: $$$$;$ |
750 | CODE: |
1071 | PPCODE: |
751 | { |
1072 | { |
752 | dREQ; |
1073 | dREQ; |
753 | |
1074 | |
754 | req->type = REQ_SENDFILE; |
1075 | req->type = REQ_SENDFILE; |
755 | req->fh = newSVsv (out_fh); |
1076 | req->fh = newSVsv (out_fh); |
… | |
… | |
757 | req->fh2 = newSVsv (in_fh); |
1078 | req->fh2 = newSVsv (in_fh); |
758 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1079 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
759 | req->offset = in_offset; |
1080 | req->offset = in_offset; |
760 | req->length = length; |
1081 | req->length = length; |
761 | |
1082 | |
762 | send_req (req); |
1083 | REQ_SEND; |
763 | } |
1084 | } |
764 | |
1085 | |
765 | void |
1086 | void |
766 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1087 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
767 | SV * fh |
1088 | SV * fh |
768 | UV offset |
1089 | UV offset |
769 | IV length |
1090 | IV length |
770 | SV * callback |
1091 | SV * callback |
771 | PROTOTYPE: $$$;$ |
1092 | PROTOTYPE: $$$;$ |
772 | CODE: |
1093 | PPCODE: |
773 | { |
1094 | { |
774 | dREQ; |
1095 | dREQ; |
775 | |
1096 | |
776 | req->type = REQ_READAHEAD; |
1097 | req->type = REQ_READAHEAD; |
777 | req->fh = newSVsv (fh); |
1098 | req->fh = newSVsv (fh); |
778 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1099 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
779 | req->offset = offset; |
1100 | req->offset = offset; |
780 | req->length = length; |
1101 | req->length = length; |
781 | |
1102 | |
782 | send_req (req); |
1103 | REQ_SEND; |
783 | } |
1104 | } |
784 | |
1105 | |
785 | void |
1106 | void |
786 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1107 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
787 | SV * fh_or_path |
1108 | SV * fh_or_path |
788 | SV * callback |
1109 | SV * callback |
789 | ALIAS: |
1110 | ALIAS: |
790 | aio_stat = REQ_STAT |
1111 | aio_stat = REQ_STAT |
791 | aio_lstat = REQ_LSTAT |
1112 | aio_lstat = REQ_LSTAT |
792 | CODE: |
1113 | PPCODE: |
793 | { |
1114 | { |
794 | dREQ; |
1115 | dREQ; |
795 | |
1116 | |
796 | New (0, req->statdata, 1, Stat_t); |
1117 | New (0, req->statdata, 1, Stat_t); |
797 | if (!req->statdata) |
1118 | if (!req->statdata) |
798 | { |
1119 | { |
799 | free_req (req); |
1120 | req_free (req); |
800 | croak ("out of memory during aio_req->statdata allocation"); |
1121 | croak ("out of memory during aio_req->statdata allocation"); |
801 | } |
1122 | } |
802 | |
1123 | |
803 | if (SvPOK (fh_or_path)) |
1124 | if (SvPOK (fh_or_path)) |
804 | { |
1125 | { |
… | |
… | |
811 | req->type = REQ_FSTAT; |
1132 | req->type = REQ_FSTAT; |
812 | req->fh = newSVsv (fh_or_path); |
1133 | req->fh = newSVsv (fh_or_path); |
813 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1134 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
814 | } |
1135 | } |
815 | |
1136 | |
816 | send_req (req); |
1137 | REQ_SEND; |
817 | } |
1138 | } |
818 | |
1139 | |
819 | void |
1140 | void |
820 | aio_unlink(pathname,callback=&PL_sv_undef) |
1141 | aio_unlink (pathname,callback=&PL_sv_undef) |
821 | SV * pathname |
1142 | SV * pathname |
822 | SV * callback |
1143 | SV * callback |
823 | ALIAS: |
1144 | ALIAS: |
824 | aio_unlink = REQ_UNLINK |
1145 | aio_unlink = REQ_UNLINK |
825 | aio_rmdir = REQ_RMDIR |
1146 | aio_rmdir = REQ_RMDIR |
|
|
1147 | aio_readdir = REQ_READDIR |
826 | CODE: |
1148 | PPCODE: |
827 | { |
1149 | { |
828 | dREQ; |
1150 | dREQ; |
829 | |
1151 | |
830 | req->type = ix; |
1152 | req->type = ix; |
831 | req->data = newSVsv (pathname); |
1153 | req->data = newSVsv (pathname); |
832 | req->dataptr = SvPVbyte_nolen (req->data); |
1154 | req->dataptr = SvPVbyte_nolen (req->data); |
833 | |
1155 | |
834 | send_req (req); |
1156 | REQ_SEND; |
835 | } |
1157 | } |
836 | |
1158 | |
837 | void |
1159 | void |
838 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1160 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
839 | SV * oldpath |
1161 | SV * oldpath |
840 | SV * newpath |
1162 | SV * newpath |
841 | SV * callback |
1163 | SV * callback |
|
|
1164 | ALIAS: |
|
|
1165 | aio_link = REQ_LINK |
|
|
1166 | aio_symlink = REQ_SYMLINK |
|
|
1167 | aio_rename = REQ_RENAME |
842 | CODE: |
1168 | PPCODE: |
843 | { |
1169 | { |
844 | dREQ; |
1170 | dREQ; |
845 | |
1171 | |
846 | req->type = REQ_SYMLINK; |
1172 | req->type = ix; |
847 | req->fh = newSVsv (oldpath); |
1173 | req->fh = newSVsv (oldpath); |
848 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1174 | req->data2ptr = SvPVbyte_nolen (req->fh); |
849 | req->data = newSVsv (newpath); |
1175 | req->data = newSVsv (newpath); |
850 | req->dataptr = SvPVbyte_nolen (req->data); |
1176 | req->dataptr = SvPVbyte_nolen (req->data); |
851 | |
1177 | |
852 | send_req (req); |
1178 | REQ_SEND; |
853 | } |
1179 | } |
854 | |
1180 | |
855 | void |
1181 | void |
|
|
1182 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1183 | double delay |
|
|
1184 | SV * callback |
|
|
1185 | PPCODE: |
|
|
1186 | { |
|
|
1187 | dREQ; |
|
|
1188 | |
|
|
1189 | req->type = REQ_SLEEP; |
|
|
1190 | req->fd = delay < 0. ? 0 : delay; |
|
|
1191 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1192 | |
|
|
1193 | REQ_SEND; |
|
|
1194 | } |
|
|
1195 | |
|
|
1196 | void |
|
|
1197 | aio_group (callback=&PL_sv_undef) |
|
|
1198 | SV * callback |
|
|
1199 | PROTOTYPE: ;$ |
|
|
1200 | PPCODE: |
|
|
1201 | { |
|
|
1202 | dREQ; |
|
|
1203 | req->type = REQ_GROUP; |
|
|
1204 | req_send (req); |
|
|
1205 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | void |
856 | flush() |
1209 | flush () |
857 | PROTOTYPE: |
1210 | PROTOTYPE: |
858 | CODE: |
1211 | CODE: |
859 | while (nreqs) |
1212 | while (nreqs) |
860 | { |
1213 | { |
861 | poll_wait (); |
1214 | poll_wait (); |
… | |
… | |
901 | CODE: |
1254 | CODE: |
902 | RETVAL = nreqs; |
1255 | RETVAL = nreqs; |
903 | OUTPUT: |
1256 | OUTPUT: |
904 | RETVAL |
1257 | RETVAL |
905 | |
1258 | |
|
|
1259 | PROTOTYPES: DISABLE |
|
|
1260 | |
|
|
1261 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1262 | |
|
|
1263 | void |
|
|
1264 | cancel (aio_req_ornot req) |
|
|
1265 | PROTOTYPE: |
|
|
1266 | CODE: |
|
|
1267 | req_cancel (req); |
|
|
1268 | |
|
|
1269 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1270 | |
|
|
1271 | void |
|
|
1272 | add (aio_req grp, ...) |
|
|
1273 | PPCODE: |
|
|
1274 | { |
|
|
1275 | int i; |
|
|
1276 | |
|
|
1277 | if (grp->fd == 2) |
|
|
1278 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1279 | |
|
|
1280 | for (i = 1; i < items; ++i ) |
|
|
1281 | { |
|
|
1282 | if (GIMME_V != G_VOID) |
|
|
1283 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1284 | |
|
|
1285 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1286 | |
|
|
1287 | if (req) |
|
|
1288 | { |
|
|
1289 | ++grp->length; |
|
|
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; |
|
|
1299 | } |
|
|
1300 | } |
|
|
1301 | } |
|
|
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 | |