… | |
… | |
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> |
|
|
34 | # else |
|
|
35 | # error sendfile support requested but not available |
28 | # endif |
36 | # endif |
|
|
37 | #endif |
|
|
38 | |
|
|
39 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
40 | #ifndef NAME_MAX |
|
|
41 | # define NAME_MAX 4096 |
29 | #endif |
42 | #endif |
30 | |
43 | |
31 | #if __ia64 |
44 | #if __ia64 |
32 | # define STACKSIZE 65536 |
45 | # define STACKSIZE 65536 |
33 | #else |
46 | #else |
34 | # define STACKSIZE 4096 |
47 | # define STACKSIZE 8192 |
35 | #endif |
48 | #endif |
36 | |
49 | |
37 | enum { |
50 | enum { |
38 | REQ_QUIT, |
51 | REQ_QUIT, |
39 | REQ_OPEN, REQ_CLOSE, |
52 | REQ_OPEN, REQ_CLOSE, |
40 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
41 | REQ_SENDFILE, |
54 | REQ_SENDFILE, |
42 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
43 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
44 | REQ_UNLINK, REQ_RMDIR, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
45 | REQ_SYMLINK, |
58 | REQ_READDIR, |
|
|
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_SLEEP, |
|
|
61 | REQ_GROUP, |
46 | }; |
62 | }; |
47 | |
63 | |
|
|
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
66 | |
48 | typedef struct aio_cb { |
67 | typedef struct aio_cb |
|
|
68 | { |
|
|
69 | struct aio_cb *grp, *grp_prev, *grp_next; |
|
|
70 | |
49 | struct aio_cb *volatile next; |
71 | struct aio_cb *volatile next; |
50 | |
72 | |
51 | int type; |
73 | SV *self; /* the perl counterpart of this request, if any */ |
52 | |
74 | |
53 | int fd, fd2; |
75 | SV *data, *callback; |
|
|
76 | SV *fh, *fh2; |
|
|
77 | void *dataptr, *data2ptr; |
|
|
78 | Stat_t *statdata; |
54 | off_t offset; |
79 | off_t offset; |
55 | size_t length; |
80 | size_t length; |
56 | ssize_t result; |
81 | ssize_t result; |
|
|
82 | |
|
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83 | int type; |
|
|
84 | int fd, fd2; |
|
|
85 | int errorno; |
|
|
86 | STRLEN dataoffset; |
57 | mode_t mode; /* open */ |
87 | mode_t mode; /* open */ |
58 | int errorno; |
88 | unsigned char cancelled; |
59 | SV *data, *callback; |
|
|
60 | SV *fh, *fh2; |
|
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61 | void *dataptr, *data2ptr; |
|
|
62 | STRLEN dataoffset; |
|
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63 | |
|
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64 | Stat_t *statdata; |
|
|
65 | } aio_cb; |
89 | } aio_cb; |
66 | |
90 | |
67 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
|
|
92 | typedef aio_cb *aio_req_ornot; |
|
|
93 | typedef aio_cb *aio_group; |
68 | |
94 | |
69 | static int started, wanted; |
95 | static int started, wanted; |
70 | static volatile int nreqs; |
96 | static volatile int nreqs; |
71 | static int max_outstanding = 1<<30; |
97 | static int max_outstanding = 1<<30; |
72 | static int respipe [2]; |
98 | static int respipe [2]; |
… | |
… | |
76 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
102 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
77 | |
103 | |
78 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
104 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
79 | static volatile aio_req ress, rese; /* queue start, queue end */ |
105 | static volatile aio_req ress, rese; /* queue start, queue end */ |
80 | |
106 | |
81 | static void free_req (aio_req req) |
107 | static void req_free (aio_req req); |
82 | { |
|
|
83 | if (req->data) |
|
|
84 | SvREFCNT_dec (req->data); |
|
|
85 | |
108 | |
86 | if (req->fh) |
109 | /* must be called at most once */ |
87 | SvREFCNT_dec (req->fh); |
110 | static SV *req_sv (aio_req req, const char *klass) |
|
|
111 | { |
|
|
112 | req->self = (SV *)newHV (); |
|
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113 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
88 | |
114 | |
89 | if (req->fh2) |
115 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
90 | SvREFCNT_dec (req->fh2); |
|
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91 | |
|
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92 | if (req->statdata) |
|
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93 | Safefree (req->statdata); |
|
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94 | |
|
|
95 | if (req->callback) |
|
|
96 | SvREFCNT_dec (req->callback); |
|
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97 | |
|
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98 | Safefree (req); |
|
|
99 | } |
116 | } |
100 | |
117 | |
101 | static void |
118 | static aio_req SvAIO_REQ (SV *sv) |
102 | poll_wait () |
119 | { |
|
|
120 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
|
|
121 | croak ("object of class " AIO_REQ_KLASS " expected"); |
|
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122 | |
|
|
123 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
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124 | |
|
|
125 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
126 | } |
|
|
127 | |
|
|
128 | static void poll_wait () |
103 | { |
129 | { |
104 | if (nreqs && !ress) |
130 | if (nreqs && !ress) |
105 | { |
131 | { |
106 | fd_set rfd; |
132 | fd_set rfd; |
107 | FD_ZERO(&rfd); |
133 | FD_ZERO(&rfd); |
… | |
… | |
109 | |
135 | |
110 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
136 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
111 | } |
137 | } |
112 | } |
138 | } |
113 | |
139 | |
114 | static int |
140 | static void req_invoke (aio_req req) |
115 | poll_cb () |
141 | { |
|
|
142 | dSP; |
|
|
143 | int errorno = errno; |
|
|
144 | |
|
|
145 | if (req->cancelled || !SvOK (req->callback)) |
|
|
146 | return; |
|
|
147 | |
|
|
148 | errno = req->errorno; |
|
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149 | |
|
|
150 | ENTER; |
|
|
151 | PUSHMARK (SP); |
|
|
152 | |
|
|
153 | switch (req->type) |
|
|
154 | { |
|
|
155 | case REQ_READDIR: |
|
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156 | { |
|
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157 | SV *rv = &PL_sv_undef; |
|
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158 | |
|
|
159 | if (req->result >= 0) |
|
|
160 | { |
|
|
161 | char *buf = req->data2ptr; |
|
|
162 | AV *av = newAV (); |
|
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163 | |
|
|
164 | while (req->result) |
|
|
165 | { |
|
|
166 | SV *sv = newSVpv (buf, 0); |
|
|
167 | |
|
|
168 | av_push (av, sv); |
|
|
169 | buf += SvCUR (sv) + 1; |
|
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170 | req->result--; |
|
|
171 | } |
|
|
172 | |
|
|
173 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
174 | } |
|
|
175 | |
|
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176 | XPUSHs (rv); |
|
|
177 | } |
|
|
178 | break; |
|
|
179 | |
|
|
180 | case REQ_OPEN: |
|
|
181 | { |
|
|
182 | /* convert fd to fh */ |
|
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183 | SV *fh; |
|
|
184 | |
|
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185 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
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186 | PUTBACK; |
|
|
187 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
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188 | SPAGAIN; |
|
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189 | |
|
|
190 | fh = SvREFCNT_inc (POPs); |
|
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191 | |
|
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192 | PUSHMARK (SP); |
|
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193 | XPUSHs (sv_2mortal (fh)); |
|
|
194 | } |
|
|
195 | break; |
|
|
196 | |
|
|
197 | case REQ_SLEEP: |
|
|
198 | case REQ_GROUP: |
|
|
199 | break; |
|
|
200 | |
|
|
201 | default: |
|
|
202 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
203 | break; |
|
|
204 | } |
|
|
205 | |
|
|
206 | |
|
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207 | PUTBACK; |
|
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208 | call_sv (req->callback, G_VOID | G_EVAL); |
|
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209 | SPAGAIN; |
|
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210 | |
|
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211 | if (SvTRUE (ERRSV)) |
|
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212 | { |
|
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213 | req_free (req); |
|
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214 | croak (0); |
|
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215 | } |
|
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216 | |
|
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217 | LEAVE; |
|
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218 | |
|
|
219 | errno = errorno; |
|
|
220 | } |
|
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221 | |
|
|
222 | static void req_free (aio_req req) |
|
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223 | { |
|
|
224 | if (req->grp) |
|
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225 | { |
|
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226 | aio_req grp = req->grp; |
|
|
227 | |
|
|
228 | /* unlink request */ |
|
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229 | req->grp_next->grp_prev = req->grp_prev; |
|
|
230 | req->grp_prev->grp_next = req->grp_next; |
|
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231 | |
|
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232 | if (grp->grp_next == grp) |
|
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233 | { |
|
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234 | req_invoke (grp); |
|
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235 | req_free (grp); |
|
|
236 | } |
|
|
237 | } |
|
|
238 | |
|
|
239 | if (req->self) |
|
|
240 | { |
|
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241 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
242 | SvREFCNT_dec (req->self); |
|
|
243 | } |
|
|
244 | |
|
|
245 | if (req->data) |
|
|
246 | SvREFCNT_dec (req->data); |
|
|
247 | |
|
|
248 | if (req->fh) |
|
|
249 | SvREFCNT_dec (req->fh); |
|
|
250 | |
|
|
251 | if (req->fh2) |
|
|
252 | SvREFCNT_dec (req->fh2); |
|
|
253 | |
|
|
254 | if (req->statdata) |
|
|
255 | Safefree (req->statdata); |
|
|
256 | |
|
|
257 | if (req->callback) |
|
|
258 | SvREFCNT_dec (req->callback); |
|
|
259 | |
|
|
260 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
261 | free (req->data2ptr); |
|
|
262 | |
|
|
263 | Safefree (req); |
|
|
264 | } |
|
|
265 | |
|
|
266 | static void req_cancel (aio_req req) |
|
|
267 | { |
|
|
268 | req->cancelled = 1; |
|
|
269 | |
|
|
270 | if (req->type == REQ_GROUP) |
|
|
271 | { |
|
|
272 | aio_req sub; |
|
|
273 | |
|
|
274 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
|
|
275 | req_cancel (sub); |
|
|
276 | } |
|
|
277 | } |
|
|
278 | |
|
|
279 | static int poll_cb () |
116 | { |
280 | { |
117 | dSP; |
281 | dSP; |
118 | int count = 0; |
282 | int count = 0; |
119 | int do_croak = 0; |
283 | int do_croak = 0; |
120 | aio_req req; |
284 | aio_req req; |
… | |
… | |
146 | |
310 | |
147 | nreqs--; |
311 | nreqs--; |
148 | |
312 | |
149 | if (req->type == REQ_QUIT) |
313 | if (req->type == REQ_QUIT) |
150 | started--; |
314 | started--; |
|
|
315 | else if (req->type == REQ_GROUP && req->grp_next != req) |
|
|
316 | continue; |
151 | else |
317 | else |
152 | { |
318 | { |
153 | int errorno = errno; |
|
|
154 | errno = req->errorno; |
|
|
155 | |
|
|
156 | if (req->type == REQ_READ) |
319 | if (req->type == REQ_READ) |
157 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
320 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
158 | |
321 | |
159 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
322 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
160 | SvREADONLY_off (req->data); |
323 | SvREADONLY_off (req->data); |
… | |
… | |
164 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
327 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
165 | PL_laststatval = req->result; |
328 | PL_laststatval = req->result; |
166 | PL_statcache = *(req->statdata); |
329 | PL_statcache = *(req->statdata); |
167 | } |
330 | } |
168 | |
331 | |
169 | ENTER; |
332 | req_invoke (req); |
170 | PUSHMARK (SP); |
|
|
171 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
172 | |
333 | |
173 | if (req->type == REQ_OPEN) |
|
|
174 | { |
|
|
175 | /* convert fd to fh */ |
|
|
176 | SV *fh; |
|
|
177 | |
|
|
178 | PUTBACK; |
|
|
179 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
180 | SPAGAIN; |
|
|
181 | |
|
|
182 | fh = SvREFCNT_inc (POPs); |
|
|
183 | |
|
|
184 | PUSHMARK (SP); |
|
|
185 | XPUSHs (sv_2mortal (fh)); |
|
|
186 | } |
|
|
187 | |
|
|
188 | if (SvOK (req->callback)) |
|
|
189 | { |
|
|
190 | PUTBACK; |
|
|
191 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
192 | SPAGAIN; |
|
|
193 | |
|
|
194 | if (SvTRUE (ERRSV)) |
|
|
195 | { |
|
|
196 | free_req (req); |
|
|
197 | croak (0); |
|
|
198 | } |
|
|
199 | } |
|
|
200 | |
|
|
201 | LEAVE; |
|
|
202 | |
|
|
203 | errno = errorno; |
|
|
204 | count++; |
334 | count++; |
205 | } |
335 | } |
206 | |
336 | |
207 | free_req (req); |
337 | req_free (req); |
208 | } |
338 | } |
209 | |
339 | |
210 | return count; |
340 | return count; |
211 | } |
341 | } |
212 | |
342 | |
213 | static void *aio_proc(void *arg); |
343 | static void *aio_proc(void *arg); |
214 | |
344 | |
215 | static void |
|
|
216 | start_thread (void) |
345 | static void start_thread (void) |
217 | { |
346 | { |
218 | sigset_t fullsigset, oldsigset; |
347 | sigset_t fullsigset, oldsigset; |
219 | pthread_t tid; |
348 | pthread_t tid; |
220 | pthread_attr_t attr; |
349 | pthread_attr_t attr; |
221 | |
350 | |
… | |
… | |
230 | started++; |
359 | started++; |
231 | |
360 | |
232 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
361 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
233 | } |
362 | } |
234 | |
363 | |
235 | static void |
364 | static void req_send (aio_req req) |
236 | send_req (aio_req req) |
|
|
237 | { |
365 | { |
238 | while (started < wanted && nreqs >= started) |
366 | while (started < wanted && nreqs >= started) |
239 | start_thread (); |
367 | start_thread (); |
240 | |
368 | |
241 | nreqs++; |
369 | nreqs++; |
… | |
… | |
265 | |
393 | |
266 | poll_wait (); |
394 | poll_wait (); |
267 | } |
395 | } |
268 | } |
396 | } |
269 | |
397 | |
270 | static void |
398 | static void end_thread (void) |
271 | end_thread (void) |
|
|
272 | { |
399 | { |
273 | aio_req req; |
400 | aio_req req; |
274 | Newz (0, req, 1, aio_cb); |
401 | Newz (0, req, 1, aio_cb); |
275 | req->type = REQ_QUIT; |
402 | req->type = REQ_QUIT; |
276 | |
403 | |
277 | send_req (req); |
404 | req_send (req); |
278 | } |
405 | } |
279 | |
406 | |
280 | static void min_parallel (int nthreads) |
407 | static void min_parallel (int nthreads) |
281 | { |
408 | { |
282 | if (wanted < nthreads) |
409 | if (wanted < nthreads) |
… | |
… | |
311 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
438 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
312 | croak ("cannot set result pipe to nonblocking mode"); |
439 | croak ("cannot set result pipe to nonblocking mode"); |
313 | |
440 | |
314 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
441 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
315 | croak ("cannot set result pipe to nonblocking mode"); |
442 | croak ("cannot set result pipe to nonblocking mode"); |
316 | } |
|
|
317 | |
|
|
318 | static void atfork_prepare (void) |
|
|
319 | { |
|
|
320 | pthread_mutex_lock (&reqlock); |
|
|
321 | pthread_mutex_lock (&reslock); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static void atfork_parent (void) |
|
|
325 | { |
|
|
326 | pthread_mutex_unlock (&reslock); |
|
|
327 | pthread_mutex_unlock (&reqlock); |
|
|
328 | } |
|
|
329 | |
|
|
330 | static void atfork_child (void) |
|
|
331 | { |
|
|
332 | aio_req prv; |
|
|
333 | |
|
|
334 | started = 0; |
|
|
335 | |
|
|
336 | while (reqs) |
|
|
337 | { |
|
|
338 | prv = reqs; |
|
|
339 | reqs = prv->next; |
|
|
340 | free_req (prv); |
|
|
341 | } |
|
|
342 | |
|
|
343 | reqs = reqe = 0; |
|
|
344 | |
|
|
345 | while (ress) |
|
|
346 | { |
|
|
347 | prv = ress; |
|
|
348 | ress = prv->next; |
|
|
349 | free_req (prv); |
|
|
350 | } |
|
|
351 | |
|
|
352 | ress = rese = 0; |
|
|
353 | |
|
|
354 | close (respipe [0]); |
|
|
355 | close (respipe [1]); |
|
|
356 | create_pipe (); |
|
|
357 | |
|
|
358 | atfork_parent (); |
|
|
359 | } |
443 | } |
360 | |
444 | |
361 | /*****************************************************************************/ |
445 | /*****************************************************************************/ |
362 | /* work around various missing functions */ |
446 | /* work around various missing functions */ |
363 | |
447 | |
… | |
… | |
368 | /* |
452 | /* |
369 | * make our pread/pwrite safe against themselves, but not against |
453 | * make our pread/pwrite safe against themselves, but not against |
370 | * normal read/write by using a mutex. slows down execution a lot, |
454 | * normal read/write by using a mutex. slows down execution a lot, |
371 | * but that's your problem, not mine. |
455 | * but that's your problem, not mine. |
372 | */ |
456 | */ |
373 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
457 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
374 | |
458 | |
375 | static ssize_t |
459 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
376 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
377 | { |
460 | { |
378 | ssize_t res; |
461 | ssize_t res; |
379 | off_t ooffset; |
462 | off_t ooffset; |
380 | |
463 | |
381 | pthread_mutex_lock (&iolock); |
464 | pthread_mutex_lock (&preadwritelock); |
382 | ooffset = lseek (fd, 0, SEEK_CUR); |
465 | ooffset = lseek (fd, 0, SEEK_CUR); |
383 | lseek (fd, offset, SEEK_SET); |
466 | lseek (fd, offset, SEEK_SET); |
384 | res = read (fd, buf, count); |
467 | res = read (fd, buf, count); |
385 | lseek (fd, ooffset, SEEK_SET); |
468 | lseek (fd, ooffset, SEEK_SET); |
386 | pthread_mutex_unlock (&iolock); |
469 | pthread_mutex_unlock (&preadwritelock); |
387 | |
470 | |
388 | return res; |
471 | return res; |
389 | } |
472 | } |
390 | |
473 | |
391 | static ssize_t |
|
|
392 | pwrite (int fd, void *buf, size_t count, off_t offset) |
474 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
393 | { |
475 | { |
394 | ssize_t res; |
476 | ssize_t res; |
395 | off_t ooffset; |
477 | off_t ooffset; |
396 | |
478 | |
397 | pthread_mutex_lock (&iolock); |
479 | pthread_mutex_lock (&preadwritelock); |
398 | ooffset = lseek (fd, 0, SEEK_CUR); |
480 | ooffset = lseek (fd, 0, SEEK_CUR); |
399 | lseek (fd, offset, SEEK_SET); |
481 | lseek (fd, offset, SEEK_SET); |
400 | res = write (fd, buf, count); |
482 | res = write (fd, buf, count); |
401 | lseek (fd, offset, SEEK_SET); |
483 | lseek (fd, offset, SEEK_SET); |
402 | pthread_mutex_unlock (&iolock); |
484 | pthread_mutex_unlock (&preadwritelock); |
403 | |
485 | |
404 | return res; |
486 | return res; |
405 | } |
487 | } |
406 | #endif |
488 | #endif |
407 | |
489 | |
… | |
… | |
410 | #endif |
492 | #endif |
411 | |
493 | |
412 | #if !HAVE_READAHEAD |
494 | #if !HAVE_READAHEAD |
413 | # define readahead aio_readahead |
495 | # define readahead aio_readahead |
414 | |
496 | |
|
|
497 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
498 | { |
415 | static char readahead_buf[4096]; |
499 | char readahead_buf[4096]; |
416 | |
500 | |
417 | static ssize_t |
|
|
418 | readahead (int fd, off_t offset, size_t count) |
|
|
419 | { |
|
|
420 | while (count > 0) |
501 | while (count > 0) |
421 | { |
502 | { |
422 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
503 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
423 | |
504 | |
424 | pread (fd, readahead_buf, len, offset); |
505 | pread (fd, readahead_buf, len, offset); |
… | |
… | |
428 | |
509 | |
429 | errno = 0; |
510 | errno = 0; |
430 | } |
511 | } |
431 | #endif |
512 | #endif |
432 | |
513 | |
|
|
514 | #if !HAVE_READDIR_R |
|
|
515 | # define readdir_r aio_readdir_r |
|
|
516 | |
|
|
517 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
518 | |
|
|
519 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
520 | { |
|
|
521 | struct dirent *e; |
|
|
522 | int errorno; |
|
|
523 | |
|
|
524 | pthread_mutex_lock (&readdirlock); |
|
|
525 | |
|
|
526 | e = readdir (dirp); |
|
|
527 | errorno = errno; |
|
|
528 | |
|
|
529 | if (e) |
|
|
530 | { |
|
|
531 | *res = ent; |
|
|
532 | strcpy (ent->d_name, e->d_name); |
|
|
533 | } |
|
|
534 | else |
|
|
535 | *res = 0; |
|
|
536 | |
|
|
537 | pthread_mutex_unlock (&readdirlock); |
|
|
538 | |
|
|
539 | errno = errorno; |
|
|
540 | return e ? 0 : -1; |
|
|
541 | } |
|
|
542 | #endif |
|
|
543 | |
433 | /* sendfile always needs emulation */ |
544 | /* sendfile always needs emulation */ |
434 | static ssize_t |
|
|
435 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
545 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
436 | { |
546 | { |
437 | ssize_t res; |
547 | ssize_t res; |
438 | |
548 | |
439 | if (!count) |
549 | if (!count) |
440 | return 0; |
550 | return 0; |
441 | |
551 | |
|
|
552 | #if HAVE_SENDFILE |
442 | #if __linux |
553 | # if __linux |
443 | res = sendfile (ofd, ifd, &offset, count); |
554 | res = sendfile (ofd, ifd, &offset, count); |
444 | |
555 | |
445 | #elif __freebsd |
556 | # elif __freebsd |
446 | /* |
557 | /* |
447 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
558 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
448 | * wasted on making it similar to other i/o functions. |
559 | * wasted on making it similar to other I/O functions. |
449 | */ |
560 | */ |
450 | { |
561 | { |
451 | off_t sbytes; |
562 | off_t sbytes; |
452 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
563 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
453 | |
564 | |
454 | if (!res && errno == EAGAIN) |
565 | if (res < 0 && sbytes) |
455 | /* maybe on others, too, as usual, the manpage leaves you guessing */ |
566 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
456 | res = sbytes; |
567 | res = sbytes; |
457 | } |
568 | } |
458 | |
569 | |
459 | #elif __hpux |
570 | # elif __hpux |
460 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
571 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
461 | |
572 | |
|
|
573 | # elif __solaris |
|
|
574 | { |
|
|
575 | struct sendfilevec vec; |
|
|
576 | size_t sbytes; |
|
|
577 | |
|
|
578 | vec.sfv_fd = ifd; |
|
|
579 | vec.sfv_flag = 0; |
|
|
580 | vec.sfv_off = offset; |
|
|
581 | vec.sfv_len = count; |
|
|
582 | |
|
|
583 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
584 | |
|
|
585 | if (res < 0 && sbytes) |
|
|
586 | res = sbytes; |
|
|
587 | } |
|
|
588 | |
|
|
589 | # endif |
462 | #else |
590 | #else |
463 | res = -1; |
591 | res = -1; |
464 | errno = ENOSYS; |
592 | errno = ENOSYS; |
465 | #endif |
593 | #endif |
466 | |
594 | |
|
|
595 | if (res < 0 |
467 | if (res < 0 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK)) |
596 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
597 | #if __solaris |
|
|
598 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
599 | #endif |
|
|
600 | ) |
|
|
601 | ) |
468 | { |
602 | { |
469 | /* emulate sendfile. this is a major pain in the ass */ |
603 | /* emulate sendfile. this is a major pain in the ass */ |
470 | char *buf = malloc (4096); |
604 | char buf[4096]; |
471 | res = 0; |
605 | res = 0; |
472 | |
606 | |
473 | for (;;) |
607 | while (count) |
474 | { |
608 | { |
475 | ssize_t cnt; |
609 | ssize_t cnt; |
476 | |
610 | |
477 | cnt = pread (ifd, buf, 4096, offset); |
611 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
478 | |
612 | |
479 | if (cnt <= 0) |
613 | if (cnt <= 0) |
480 | { |
614 | { |
481 | if (cnt && !res) res = -1; |
615 | if (cnt && !res) res = -1; |
482 | break; |
616 | break; |
483 | } |
617 | } |
484 | |
618 | |
485 | cnt = write (ofd, buf, cnt); |
619 | cnt = write (ofd, buf, cnt); |
486 | |
620 | |
487 | if (cnt <= 0) |
621 | if (cnt <= 0) |
488 | { |
622 | { |
489 | if (cnt && !res) res = -1; |
623 | if (cnt && !res) res = -1; |
490 | break; |
624 | break; |
491 | } |
625 | } |
492 | |
626 | |
493 | offset += cnt; |
627 | offset += cnt; |
494 | res += cnt; |
628 | res += cnt; |
|
|
629 | count -= cnt; |
495 | } |
630 | } |
496 | |
|
|
497 | { |
|
|
498 | int errorno = errno; |
|
|
499 | free (buf); |
|
|
500 | errno = errorno; |
|
|
501 | } |
|
|
502 | } |
631 | } |
503 | |
632 | |
504 | return res; |
633 | return res; |
|
|
634 | } |
|
|
635 | |
|
|
636 | /* read a full directory */ |
|
|
637 | static int scandir_ (const char *path, void **namesp) |
|
|
638 | { |
|
|
639 | DIR *dirp = opendir (path); |
|
|
640 | union |
|
|
641 | { |
|
|
642 | struct dirent d; |
|
|
643 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
644 | } u; |
|
|
645 | struct dirent *entp; |
|
|
646 | char *name, *names; |
|
|
647 | int memlen = 4096; |
|
|
648 | int memofs = 0; |
|
|
649 | int res = 0; |
|
|
650 | int errorno; |
|
|
651 | |
|
|
652 | if (!dirp) |
|
|
653 | return -1; |
|
|
654 | |
|
|
655 | names = malloc (memlen); |
|
|
656 | |
|
|
657 | for (;;) |
|
|
658 | { |
|
|
659 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
660 | |
|
|
661 | if (!entp) |
|
|
662 | break; |
|
|
663 | |
|
|
664 | name = entp->d_name; |
|
|
665 | |
|
|
666 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
667 | { |
|
|
668 | int len = strlen (name) + 1; |
|
|
669 | |
|
|
670 | res++; |
|
|
671 | |
|
|
672 | while (memofs + len > memlen) |
|
|
673 | { |
|
|
674 | memlen *= 2; |
|
|
675 | names = realloc (names, memlen); |
|
|
676 | if (!names) |
|
|
677 | break; |
|
|
678 | } |
|
|
679 | |
|
|
680 | memcpy (names + memofs, name, len); |
|
|
681 | memofs += len; |
|
|
682 | } |
|
|
683 | } |
|
|
684 | |
|
|
685 | errorno = errno; |
|
|
686 | closedir (dirp); |
|
|
687 | |
|
|
688 | if (errorno) |
|
|
689 | { |
|
|
690 | free (names); |
|
|
691 | errno = errorno; |
|
|
692 | res = -1; |
|
|
693 | } |
|
|
694 | |
|
|
695 | *namesp = (void *)names; |
|
|
696 | return res; |
505 | } |
697 | } |
506 | |
698 | |
507 | /*****************************************************************************/ |
699 | /*****************************************************************************/ |
508 | |
700 | |
509 | static void * |
|
|
510 | aio_proc (void *thr_arg) |
701 | static void *aio_proc (void *thr_arg) |
511 | { |
702 | { |
512 | aio_req req; |
703 | aio_req req; |
513 | int type; |
704 | int type; |
514 | |
705 | |
515 | do |
706 | do |
… | |
… | |
534 | |
725 | |
535 | pthread_mutex_unlock (&reqlock); |
726 | pthread_mutex_unlock (&reqlock); |
536 | |
727 | |
537 | errno = 0; /* strictly unnecessary */ |
728 | errno = 0; /* strictly unnecessary */ |
538 | |
729 | |
539 | type = req->type; |
730 | if (!req->cancelled) |
540 | |
|
|
541 | switch (type) |
731 | switch (req->type) |
542 | { |
732 | { |
543 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
733 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
544 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
734 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
545 | |
735 | |
546 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
736 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
547 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
737 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
548 | |
738 | |
549 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
739 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
550 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
740 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
551 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
741 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
552 | |
742 | |
553 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
743 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
554 | case REQ_CLOSE: req->result = close (req->fd); break; |
744 | case REQ_CLOSE: req->result = close (req->fd); break; |
555 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
745 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
556 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
746 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
747 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
748 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
557 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
749 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
558 | |
750 | |
559 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
751 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
560 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
752 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
753 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
561 | |
754 | |
|
|
755 | case REQ_SLEEP: |
|
|
756 | { |
|
|
757 | struct timeval tv; |
|
|
758 | |
|
|
759 | tv.tv_sec = req->fd; |
|
|
760 | tv.tv_usec = req->fd2; |
|
|
761 | |
|
|
762 | req->result = select (0, 0, 0, 0, &tv); |
|
|
763 | } |
|
|
764 | |
562 | case REQ_QUIT: |
765 | case REQ_QUIT: |
563 | break; |
766 | break; |
564 | |
767 | |
565 | default: |
768 | default: |
566 | req->result = ENOSYS; |
769 | req->result = ENOSYS; |
567 | break; |
770 | break; |
568 | } |
771 | } |
569 | |
772 | |
570 | req->errorno = errno; |
773 | req->errorno = errno; |
571 | |
774 | |
572 | pthread_mutex_lock (&reslock); |
775 | pthread_mutex_lock (&reslock); |
573 | |
776 | |
… | |
… | |
591 | while (type != REQ_QUIT); |
794 | while (type != REQ_QUIT); |
592 | |
795 | |
593 | return 0; |
796 | return 0; |
594 | } |
797 | } |
595 | |
798 | |
|
|
799 | /*****************************************************************************/ |
|
|
800 | |
|
|
801 | static void atfork_prepare (void) |
|
|
802 | { |
|
|
803 | pthread_mutex_lock (&reqlock); |
|
|
804 | pthread_mutex_lock (&reslock); |
|
|
805 | #if !HAVE_PREADWRITE |
|
|
806 | pthread_mutex_lock (&preadwritelock); |
|
|
807 | #endif |
|
|
808 | #if !HAVE_READDIR_R |
|
|
809 | pthread_mutex_lock (&readdirlock); |
|
|
810 | #endif |
|
|
811 | } |
|
|
812 | |
|
|
813 | static void atfork_parent (void) |
|
|
814 | { |
|
|
815 | #if !HAVE_READDIR_R |
|
|
816 | pthread_mutex_unlock (&readdirlock); |
|
|
817 | #endif |
|
|
818 | #if !HAVE_PREADWRITE |
|
|
819 | pthread_mutex_unlock (&preadwritelock); |
|
|
820 | #endif |
|
|
821 | pthread_mutex_unlock (&reslock); |
|
|
822 | pthread_mutex_unlock (&reqlock); |
|
|
823 | } |
|
|
824 | |
|
|
825 | static void atfork_child (void) |
|
|
826 | { |
|
|
827 | aio_req prv; |
|
|
828 | |
|
|
829 | started = 0; |
|
|
830 | |
|
|
831 | while (reqs) |
|
|
832 | { |
|
|
833 | prv = reqs; |
|
|
834 | reqs = prv->next; |
|
|
835 | req_free (prv); |
|
|
836 | } |
|
|
837 | |
|
|
838 | reqs = reqe = 0; |
|
|
839 | |
|
|
840 | while (ress) |
|
|
841 | { |
|
|
842 | prv = ress; |
|
|
843 | ress = prv->next; |
|
|
844 | req_free (prv); |
|
|
845 | } |
|
|
846 | |
|
|
847 | ress = rese = 0; |
|
|
848 | |
|
|
849 | close (respipe [0]); |
|
|
850 | close (respipe [1]); |
|
|
851 | create_pipe (); |
|
|
852 | |
|
|
853 | atfork_parent (); |
|
|
854 | } |
|
|
855 | |
596 | #define dREQ \ |
856 | #define dREQ \ |
597 | aio_req req; \ |
857 | aio_req req; \ |
598 | \ |
858 | \ |
599 | if (SvOK (callback) && !SvROK (callback)) \ |
859 | if (SvOK (callback) && !SvROK (callback)) \ |
600 | croak ("clalback must be undef or of reference type"); \ |
860 | croak ("callback must be undef or of reference type"); \ |
601 | \ |
861 | \ |
602 | Newz (0, req, 1, aio_cb); \ |
862 | Newz (0, req, 1, aio_cb); \ |
603 | if (!req) \ |
863 | if (!req) \ |
604 | croak ("out of memory during aio_req allocation"); \ |
864 | croak ("out of memory during aio_req allocation"); \ |
605 | \ |
865 | \ |
606 | req->callback = newSVsv (callback); |
866 | req->callback = newSVsv (callback) |
|
|
867 | |
|
|
868 | #define REQ_SEND \ |
|
|
869 | req_send (req); \ |
|
|
870 | \ |
|
|
871 | if (GIMME_V != G_VOID) \ |
|
|
872 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
607 | |
873 | |
608 | MODULE = IO::AIO PACKAGE = IO::AIO |
874 | MODULE = IO::AIO PACKAGE = IO::AIO |
609 | |
875 | |
610 | PROTOTYPES: ENABLE |
876 | PROTOTYPES: ENABLE |
611 | |
877 | |
612 | BOOT: |
878 | BOOT: |
613 | { |
879 | { |
|
|
880 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
881 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
882 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
883 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
884 | |
614 | create_pipe (); |
885 | create_pipe (); |
615 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
886 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
616 | } |
887 | } |
617 | |
888 | |
618 | void |
889 | void |
619 | min_parallel(nthreads) |
890 | min_parallel (nthreads) |
620 | int nthreads |
891 | int nthreads |
621 | PROTOTYPE: $ |
892 | PROTOTYPE: $ |
622 | |
893 | |
623 | void |
894 | void |
624 | max_parallel(nthreads) |
895 | max_parallel (nthreads) |
625 | int nthreads |
896 | int nthreads |
626 | PROTOTYPE: $ |
897 | PROTOTYPE: $ |
627 | |
898 | |
628 | int |
899 | int |
629 | max_outstanding(nreqs) |
900 | max_outstanding (nreqs) |
630 | int nreqs |
901 | int nreqs |
631 | PROTOTYPE: $ |
902 | PROTOTYPE: $ |
632 | CODE: |
903 | CODE: |
633 | RETVAL = max_outstanding; |
904 | RETVAL = max_outstanding; |
634 | max_outstanding = nreqs; |
905 | max_outstanding = nreqs; |
635 | |
906 | |
636 | void |
907 | void |
637 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
908 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
638 | SV * pathname |
909 | SV * pathname |
639 | int flags |
910 | int flags |
640 | int mode |
911 | int mode |
641 | SV * callback |
912 | SV * callback |
642 | PROTOTYPE: $$$;$ |
913 | PROTOTYPE: $$$;$ |
643 | CODE: |
914 | PPCODE: |
644 | { |
915 | { |
645 | dREQ; |
916 | dREQ; |
646 | |
917 | |
647 | req->type = REQ_OPEN; |
918 | req->type = REQ_OPEN; |
648 | req->data = newSVsv (pathname); |
919 | req->data = newSVsv (pathname); |
649 | req->dataptr = SvPVbyte_nolen (req->data); |
920 | req->dataptr = SvPVbyte_nolen (req->data); |
650 | req->fd = flags; |
921 | req->fd = flags; |
651 | req->mode = mode; |
922 | req->mode = mode; |
652 | |
923 | |
653 | send_req (req); |
924 | REQ_SEND; |
654 | } |
925 | } |
655 | |
926 | |
656 | void |
927 | void |
657 | aio_close(fh,callback=&PL_sv_undef) |
928 | aio_close (fh,callback=&PL_sv_undef) |
658 | SV * fh |
929 | SV * fh |
659 | SV * callback |
930 | SV * callback |
660 | PROTOTYPE: $;$ |
931 | PROTOTYPE: $;$ |
661 | ALIAS: |
932 | ALIAS: |
662 | aio_close = REQ_CLOSE |
933 | aio_close = REQ_CLOSE |
663 | aio_fsync = REQ_FSYNC |
934 | aio_fsync = REQ_FSYNC |
664 | aio_fdatasync = REQ_FDATASYNC |
935 | aio_fdatasync = REQ_FDATASYNC |
665 | CODE: |
936 | PPCODE: |
666 | { |
937 | { |
667 | dREQ; |
938 | dREQ; |
668 | |
939 | |
669 | req->type = ix; |
940 | req->type = ix; |
670 | req->fh = newSVsv (fh); |
941 | req->fh = newSVsv (fh); |
671 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
942 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
672 | |
943 | |
673 | send_req (req); |
944 | REQ_SEND (req); |
674 | } |
945 | } |
675 | |
946 | |
676 | void |
947 | void |
677 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
948 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
678 | SV * fh |
949 | SV * fh |
679 | UV offset |
950 | UV offset |
680 | UV length |
951 | UV length |
681 | SV * data |
952 | SV * data |
682 | UV dataoffset |
953 | UV dataoffset |
683 | SV * callback |
954 | SV * callback |
684 | ALIAS: |
955 | ALIAS: |
685 | aio_read = REQ_READ |
956 | aio_read = REQ_READ |
686 | aio_write = REQ_WRITE |
957 | aio_write = REQ_WRITE |
687 | PROTOTYPE: $$$$$;$ |
958 | PROTOTYPE: $$$$$;$ |
688 | CODE: |
959 | PPCODE: |
689 | { |
960 | { |
690 | aio_req req; |
961 | aio_req req; |
691 | STRLEN svlen; |
962 | STRLEN svlen; |
692 | char *svptr = SvPVbyte (data, svlen); |
963 | char *svptr = SvPVbyte (data, svlen); |
693 | |
964 | |
… | |
… | |
731 | { |
1002 | { |
732 | SvREADONLY_on (data); |
1003 | SvREADONLY_on (data); |
733 | req->data2ptr = (void *)data; |
1004 | req->data2ptr = (void *)data; |
734 | } |
1005 | } |
735 | |
1006 | |
736 | send_req (req); |
1007 | REQ_SEND; |
737 | } |
1008 | } |
738 | } |
1009 | } |
739 | |
1010 | |
740 | void |
1011 | void |
741 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1012 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
742 | SV * out_fh |
1013 | SV * out_fh |
743 | SV * in_fh |
1014 | SV * in_fh |
744 | UV in_offset |
1015 | UV in_offset |
745 | UV length |
1016 | UV length |
746 | SV * callback |
1017 | SV * callback |
747 | PROTOTYPE: $$$$;$ |
1018 | PROTOTYPE: $$$$;$ |
748 | CODE: |
1019 | PPCODE: |
749 | { |
1020 | { |
750 | dREQ; |
1021 | dREQ; |
751 | |
1022 | |
752 | req->type = REQ_SENDFILE; |
1023 | req->type = REQ_SENDFILE; |
753 | req->fh = newSVsv (out_fh); |
1024 | req->fh = newSVsv (out_fh); |
… | |
… | |
755 | req->fh2 = newSVsv (in_fh); |
1026 | req->fh2 = newSVsv (in_fh); |
756 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1027 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
757 | req->offset = in_offset; |
1028 | req->offset = in_offset; |
758 | req->length = length; |
1029 | req->length = length; |
759 | |
1030 | |
760 | send_req (req); |
1031 | REQ_SEND; |
761 | } |
1032 | } |
762 | |
1033 | |
763 | void |
1034 | void |
764 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1035 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
765 | SV * fh |
1036 | SV * fh |
766 | UV offset |
1037 | UV offset |
767 | IV length |
1038 | IV length |
768 | SV * callback |
1039 | SV * callback |
769 | PROTOTYPE: $$$;$ |
1040 | PROTOTYPE: $$$;$ |
770 | CODE: |
1041 | PPCODE: |
771 | { |
1042 | { |
772 | dREQ; |
1043 | dREQ; |
773 | |
1044 | |
774 | req->type = REQ_READAHEAD; |
1045 | req->type = REQ_READAHEAD; |
775 | req->fh = newSVsv (fh); |
1046 | req->fh = newSVsv (fh); |
776 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1047 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
777 | req->offset = offset; |
1048 | req->offset = offset; |
778 | req->length = length; |
1049 | req->length = length; |
779 | |
1050 | |
780 | send_req (req); |
1051 | REQ_SEND; |
781 | } |
1052 | } |
782 | |
1053 | |
783 | void |
1054 | void |
784 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1055 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
785 | SV * fh_or_path |
1056 | SV * fh_or_path |
786 | SV * callback |
1057 | SV * callback |
787 | ALIAS: |
1058 | ALIAS: |
788 | aio_stat = REQ_STAT |
1059 | aio_stat = REQ_STAT |
789 | aio_lstat = REQ_LSTAT |
1060 | aio_lstat = REQ_LSTAT |
790 | CODE: |
1061 | PPCODE: |
791 | { |
1062 | { |
792 | dREQ; |
1063 | dREQ; |
793 | |
1064 | |
794 | New (0, req->statdata, 1, Stat_t); |
1065 | New (0, req->statdata, 1, Stat_t); |
795 | if (!req->statdata) |
1066 | if (!req->statdata) |
796 | { |
1067 | { |
797 | free_req (req); |
1068 | req_free (req); |
798 | croak ("out of memory during aio_req->statdata allocation"); |
1069 | croak ("out of memory during aio_req->statdata allocation"); |
799 | } |
1070 | } |
800 | |
1071 | |
801 | if (SvPOK (fh_or_path)) |
1072 | if (SvPOK (fh_or_path)) |
802 | { |
1073 | { |
… | |
… | |
809 | req->type = REQ_FSTAT; |
1080 | req->type = REQ_FSTAT; |
810 | req->fh = newSVsv (fh_or_path); |
1081 | req->fh = newSVsv (fh_or_path); |
811 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1082 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
812 | } |
1083 | } |
813 | |
1084 | |
814 | send_req (req); |
1085 | REQ_SEND; |
815 | } |
1086 | } |
816 | |
1087 | |
817 | void |
1088 | void |
818 | aio_unlink(pathname,callback=&PL_sv_undef) |
1089 | aio_unlink (pathname,callback=&PL_sv_undef) |
819 | SV * pathname |
1090 | SV * pathname |
820 | SV * callback |
1091 | SV * callback |
821 | ALIAS: |
1092 | ALIAS: |
822 | aio_unlink = REQ_UNLINK |
1093 | aio_unlink = REQ_UNLINK |
823 | aio_rmdir = REQ_RMDIR |
1094 | aio_rmdir = REQ_RMDIR |
|
|
1095 | aio_readdir = REQ_READDIR |
824 | CODE: |
1096 | PPCODE: |
825 | { |
1097 | { |
826 | dREQ; |
1098 | dREQ; |
827 | |
1099 | |
828 | req->type = ix; |
1100 | req->type = ix; |
829 | req->data = newSVsv (pathname); |
1101 | req->data = newSVsv (pathname); |
830 | req->dataptr = SvPVbyte_nolen (req->data); |
1102 | req->dataptr = SvPVbyte_nolen (req->data); |
831 | |
1103 | |
832 | send_req (req); |
1104 | REQ_SEND; |
833 | } |
1105 | } |
834 | |
1106 | |
835 | void |
1107 | void |
836 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1108 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
837 | SV * oldpath |
1109 | SV * oldpath |
838 | SV * newpath |
1110 | SV * newpath |
839 | SV * callback |
1111 | SV * callback |
|
|
1112 | ALIAS: |
|
|
1113 | aio_link = REQ_LINK |
|
|
1114 | aio_symlink = REQ_SYMLINK |
|
|
1115 | aio_rename = REQ_RENAME |
840 | CODE: |
1116 | PPCODE: |
841 | { |
1117 | { |
842 | dREQ; |
1118 | dREQ; |
843 | |
1119 | |
844 | req->type = REQ_SYMLINK; |
1120 | req->type = ix; |
845 | req->fh = newSVsv (oldpath); |
1121 | req->fh = newSVsv (oldpath); |
846 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1122 | req->data2ptr = SvPVbyte_nolen (req->fh); |
847 | req->data = newSVsv (newpath); |
1123 | req->data = newSVsv (newpath); |
848 | req->dataptr = SvPVbyte_nolen (req->data); |
1124 | req->dataptr = SvPVbyte_nolen (req->data); |
849 | |
1125 | |
850 | send_req (req); |
1126 | REQ_SEND; |
851 | } |
1127 | } |
852 | |
1128 | |
853 | void |
1129 | void |
|
|
1130 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1131 | double delay |
|
|
1132 | SV * callback |
|
|
1133 | PPCODE: |
|
|
1134 | { |
|
|
1135 | dREQ; |
|
|
1136 | |
|
|
1137 | req->type = REQ_SLEEP; |
|
|
1138 | req->fd = delay < 0. ? 0 : delay; |
|
|
1139 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1140 | |
|
|
1141 | REQ_SEND; |
|
|
1142 | } |
|
|
1143 | |
|
|
1144 | void |
|
|
1145 | aio_group (callback=&PL_sv_undef) |
|
|
1146 | SV * callback |
|
|
1147 | PROTOTYPE: ;& |
|
|
1148 | PPCODE: |
|
|
1149 | { |
|
|
1150 | dREQ; |
|
|
1151 | req->type = REQ_GROUP; |
|
|
1152 | req->grp_next = req; |
|
|
1153 | req->grp_prev = req; |
|
|
1154 | |
|
|
1155 | req_send (req); |
|
|
1156 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1157 | } |
|
|
1158 | |
|
|
1159 | void |
854 | flush() |
1160 | flush () |
855 | PROTOTYPE: |
1161 | PROTOTYPE: |
856 | CODE: |
1162 | CODE: |
857 | while (nreqs) |
1163 | while (nreqs) |
858 | { |
1164 | { |
859 | poll_wait (); |
1165 | poll_wait (); |
… | |
… | |
899 | CODE: |
1205 | CODE: |
900 | RETVAL = nreqs; |
1206 | RETVAL = nreqs; |
901 | OUTPUT: |
1207 | OUTPUT: |
902 | RETVAL |
1208 | RETVAL |
903 | |
1209 | |
|
|
1210 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1211 | |
|
|
1212 | void |
|
|
1213 | cancel (aio_req_ornot req) |
|
|
1214 | PROTOTYPE: |
|
|
1215 | CODE: |
|
|
1216 | req_cancel (req); |
|
|
1217 | |
|
|
1218 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1219 | |
|
|
1220 | void |
|
|
1221 | add (aio_req grp, ...) |
|
|
1222 | PROTOTYPE: $;@ |
|
|
1223 | PPCODE: |
|
|
1224 | { |
|
|
1225 | int i; |
|
|
1226 | |
|
|
1227 | for (i = 1; i < items; ++i ) |
|
|
1228 | { |
|
|
1229 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1230 | |
|
|
1231 | req->grp_prev = grp; |
|
|
1232 | req->grp_next = grp->grp_next; |
|
|
1233 | grp->grp_next->grp_prev = req; |
|
|
1234 | grp->grp_next = req; |
|
|
1235 | |
|
|
1236 | req->grp = grp; |
|
|
1237 | |
|
|
1238 | if (GIMME_V != G_VOID) |
|
|
1239 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1240 | } |
|
|
1241 | } |
|
|
1242 | |