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1 | /* solaris */ |
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2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
1 | #define _REENTRANT 1 |
8 | #define _REENTRANT 1 |
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9 | |
2 | #include <errno.h> |
10 | #include <errno.h> |
3 | |
11 | |
4 | #include "EXTERN.h" |
12 | #include "EXTERN.h" |
5 | #include "perl.h" |
13 | #include "perl.h" |
6 | #include "XSUB.h" |
14 | #include "XSUB.h" |
… | |
… | |
41 | # define NAME_MAX 4096 |
49 | # define NAME_MAX 4096 |
42 | #endif |
50 | #endif |
43 | |
51 | |
44 | #if __ia64 |
52 | #if __ia64 |
45 | # define STACKSIZE 65536 |
53 | # define STACKSIZE 65536 |
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54 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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55 | # define STACKSIZE PTHREAD_STACK_MIN |
46 | #else |
56 | #else |
47 | # define STACKSIZE 8192 |
57 | # define STACKSIZE 16384 |
48 | #endif |
58 | #endif |
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59 | |
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60 | /* buffer size for various temporary buffers */ |
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61 | #define AIO_BUFSIZE 65536 |
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62 | |
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63 | #define dBUF \ |
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64 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
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65 | if (!aio_buf) \ |
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66 | return -1; |
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67 | |
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68 | #define fBUF free (aio_buf) |
49 | |
69 | |
50 | enum { |
70 | enum { |
51 | REQ_QUIT, |
71 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
72 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
73 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
… | |
… | |
56 | REQ_FSYNC, REQ_FDATASYNC, |
76 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
77 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
78 | REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
79 | REQ_LINK, REQ_SYMLINK, |
60 | REQ_GROUP, REQ_NOP, |
80 | REQ_GROUP, REQ_NOP, |
61 | REQ_SLEEP, |
81 | REQ_BUSY, |
62 | }; |
82 | }; |
63 | |
83 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
84 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
85 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
86 | |
… | |
… | |
95 | |
115 | |
96 | typedef aio_cb *aio_req; |
116 | typedef aio_cb *aio_req; |
97 | typedef aio_cb *aio_req_ornot; |
117 | typedef aio_cb *aio_req_ornot; |
98 | |
118 | |
99 | enum { |
119 | enum { |
100 | PRI_MIN = 4, |
120 | PRI_MIN = -4, |
101 | PRI_MAX = -4, |
121 | PRI_MAX = 4, |
102 | |
122 | |
103 | DEFAULT_PRI = 0, |
123 | DEFAULT_PRI = 0, |
104 | PRI_BIAS = PRI_MIN, |
124 | PRI_BIAS = -PRI_MIN, |
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125 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
105 | }; |
126 | }; |
106 | |
127 | |
107 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
128 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
108 | |
129 | |
109 | static int started, wanted; |
130 | static int started, wanted; |
110 | static volatile int nreqs; |
131 | static volatile int nreqs; |
111 | static int max_outstanding = 1<<30; |
132 | static int max_outstanding = 1<<30; |
112 | static int respipe [2]; |
133 | static int respipe [2]; |
113 | |
134 | |
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135 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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136 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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137 | #else |
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138 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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139 | #endif |
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140 | |
114 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
141 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
115 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
142 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
116 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
143 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
117 | |
144 | |
118 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
145 | /* |
119 | static volatile aio_req ress, rese; /* queue start, queue end */ |
146 | * a somewhat faster data structure might be nice, but |
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147 | * with 8 priorities this actually needs <20 insns |
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148 | * per shift, the most expensive operation. |
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149 | */ |
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150 | typedef struct { |
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151 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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152 | int size; |
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153 | } reqq; |
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154 | |
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155 | static reqq req_queue; |
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156 | static reqq res_queue; |
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157 | |
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158 | int reqq_push (reqq *q, aio_req req) |
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159 | { |
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160 | int pri = req->pri; |
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161 | req->next = 0; |
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162 | |
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163 | if (q->qe[pri]) |
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164 | { |
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165 | q->qe[pri]->next = req; |
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166 | q->qe[pri] = req; |
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167 | } |
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168 | else |
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169 | q->qe[pri] = q->qs[pri] = req; |
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170 | |
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171 | return q->size++; |
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172 | } |
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173 | |
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174 | aio_req reqq_shift (reqq *q) |
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175 | { |
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176 | int pri; |
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177 | |
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178 | if (!q->size) |
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179 | return 0; |
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180 | |
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181 | --q->size; |
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182 | |
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183 | for (pri = NUM_PRI; pri--; ) |
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184 | { |
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185 | aio_req req = q->qs[pri]; |
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186 | |
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187 | if (req) |
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188 | { |
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189 | if (!(q->qs[pri] = req->next)) |
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190 | q->qe[pri] = 0; |
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191 | |
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192 | return req; |
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193 | } |
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194 | } |
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195 | |
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196 | abort (); |
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197 | } |
120 | |
198 | |
121 | static void req_invoke (aio_req req); |
199 | static void req_invoke (aio_req req); |
122 | static void req_free (aio_req req); |
200 | static void req_free (aio_req req); |
123 | |
201 | |
124 | /* must be called at most once */ |
202 | /* must be called at most once */ |
… | |
… | |
158 | ENTER; |
236 | ENTER; |
159 | SAVETMPS; |
237 | SAVETMPS; |
160 | PUSHMARK (SP); |
238 | PUSHMARK (SP); |
161 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
239 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
162 | PUTBACK; |
240 | PUTBACK; |
163 | call_sv (grp->fh2, G_VOID | G_EVAL); |
241 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
164 | SPAGAIN; |
242 | SPAGAIN; |
165 | FREETMPS; |
243 | FREETMPS; |
166 | LEAVE; |
244 | LEAVE; |
167 | } |
245 | } |
168 | |
246 | |
… | |
… | |
191 | } |
269 | } |
192 | } |
270 | } |
193 | |
271 | |
194 | static void poll_wait () |
272 | static void poll_wait () |
195 | { |
273 | { |
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274 | fd_set rfd; |
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275 | |
196 | while (nreqs) |
276 | while (nreqs) |
197 | { |
277 | { |
198 | aio_req req; |
278 | int size; |
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279 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
199 | pthread_mutex_lock (&reslock); |
280 | pthread_mutex_lock (&reslock); |
200 | req = ress; |
281 | #endif |
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282 | size = res_queue.size; |
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283 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
201 | pthread_mutex_unlock (&reslock); |
284 | pthread_mutex_unlock (&reslock); |
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285 | #endif |
202 | |
286 | |
203 | if (req) |
287 | if (size) |
204 | return; |
288 | return; |
205 | |
289 | |
206 | fd_set rfd; |
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207 | FD_ZERO(&rfd); |
290 | FD_ZERO(&rfd); |
208 | FD_SET(respipe [0], &rfd); |
291 | FD_SET(respipe [0], &rfd); |
209 | |
292 | |
210 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
293 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
211 | } |
294 | } |
212 | } |
295 | } |
213 | |
296 | |
214 | static void req_invoke (aio_req req) |
297 | static void req_invoke (aio_req req) |
215 | { |
298 | { |
216 | dSP; |
299 | dSP; |
217 | int errorno = errno; |
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218 | |
300 | |
219 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
301 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
220 | return; |
302 | { |
221 | |
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222 | errno = req->errorno; |
303 | errno = req->errorno; |
223 | |
304 | |
224 | ENTER; |
305 | ENTER; |
225 | SAVETMPS; |
306 | SAVETMPS; |
226 | PUSHMARK (SP); |
307 | PUSHMARK (SP); |
227 | EXTEND (SP, 1); |
308 | EXTEND (SP, 1); |
228 | |
309 | |
229 | switch (req->type) |
310 | switch (req->type) |
230 | { |
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231 | case REQ_READDIR: |
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232 | { |
311 | { |
233 | SV *rv = &PL_sv_undef; |
312 | case REQ_READDIR: |
234 | |
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235 | if (req->result >= 0) |
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236 | { |
313 | { |
237 | char *buf = req->data2ptr; |
314 | SV *rv = &PL_sv_undef; |
238 | AV *av = newAV (); |
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239 | |
315 | |
240 | while (req->result) |
316 | if (req->result >= 0) |
241 | { |
317 | { |
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318 | char *buf = req->data2ptr; |
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319 | AV *av = newAV (); |
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320 | |
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321 | while (req->result) |
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322 | { |
242 | SV *sv = newSVpv (buf, 0); |
323 | SV *sv = newSVpv (buf, 0); |
243 | |
324 | |
244 | av_push (av, sv); |
325 | av_push (av, sv); |
245 | buf += SvCUR (sv) + 1; |
326 | buf += SvCUR (sv) + 1; |
246 | req->result--; |
327 | req->result--; |
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328 | } |
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329 | |
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330 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
247 | } |
331 | } |
248 | |
332 | |
249 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
333 | PUSHs (rv); |
250 | } |
334 | } |
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335 | break; |
251 | |
336 | |
252 | PUSHs (rv); |
337 | case REQ_OPEN: |
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338 | { |
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339 | /* convert fd to fh */ |
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340 | SV *fh; |
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341 | |
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342 | PUSHs (sv_2mortal (newSViv (req->result))); |
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343 | PUTBACK; |
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344 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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345 | SPAGAIN; |
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346 | |
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347 | fh = SvREFCNT_inc (POPs); |
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348 | |
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349 | PUSHMARK (SP); |
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350 | XPUSHs (sv_2mortal (fh)); |
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351 | } |
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352 | break; |
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353 | |
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354 | case REQ_GROUP: |
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355 | req->fd = 2; /* mark group as finished */ |
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356 | |
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357 | if (req->data) |
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358 | { |
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359 | int i; |
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360 | AV *av = (AV *)req->data; |
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361 | |
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362 | EXTEND (SP, AvFILL (av) + 1); |
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363 | for (i = 0; i <= AvFILL (av); ++i) |
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364 | PUSHs (*av_fetch (av, i, 0)); |
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365 | } |
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366 | break; |
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367 | |
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368 | case REQ_NOP: |
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369 | case REQ_BUSY: |
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370 | break; |
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371 | |
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372 | default: |
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373 | PUSHs (sv_2mortal (newSViv (req->result))); |
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374 | break; |
253 | } |
375 | } |
254 | break; |
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255 | |
376 | |
256 | case REQ_OPEN: |
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257 | { |
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258 | /* convert fd to fh */ |
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259 | SV *fh; |
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260 | |
377 | |
261 | PUSHs (sv_2mortal (newSViv (req->result))); |
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262 | PUTBACK; |
378 | PUTBACK; |
263 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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264 | SPAGAIN; |
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265 | |
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266 | fh = SvREFCNT_inc (POPs); |
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267 | |
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268 | PUSHMARK (SP); |
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269 | XPUSHs (sv_2mortal (fh)); |
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270 | } |
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271 | break; |
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272 | |
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273 | case REQ_GROUP: |
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274 | req->fd = 2; /* mark group as finished */ |
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275 | |
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276 | if (req->data) |
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277 | { |
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278 | int i; |
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279 | AV *av = (AV *)req->data; |
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280 | |
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281 | EXTEND (SP, AvFILL (av) + 1); |
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282 | for (i = 0; i <= AvFILL (av); ++i) |
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283 | PUSHs (*av_fetch (av, i, 0)); |
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284 | } |
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285 | break; |
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286 | |
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287 | case REQ_NOP: |
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288 | case REQ_SLEEP: |
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289 | break; |
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290 | |
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291 | default: |
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292 | PUSHs (sv_2mortal (newSViv (req->result))); |
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293 | break; |
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294 | } |
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295 | |
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296 | |
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297 | PUTBACK; |
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298 | call_sv (req->callback, G_VOID | G_EVAL); |
379 | call_sv (req->callback, G_VOID | G_EVAL); |
299 | SPAGAIN; |
380 | SPAGAIN; |
300 | |
381 | |
301 | FREETMPS; |
382 | FREETMPS; |
302 | LEAVE; |
383 | LEAVE; |
303 | |
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304 | errno = errorno; |
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305 | |
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306 | if (SvTRUE (ERRSV)) |
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307 | { |
384 | } |
308 | req_free (req); |
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309 | croak (0); |
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310 | } |
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311 | } |
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312 | |
385 | |
313 | static void req_free (aio_req req) |
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314 | { |
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315 | if (req->grp) |
386 | if (req->grp) |
316 | { |
387 | { |
317 | aio_req grp = req->grp; |
388 | aio_req grp = req->grp; |
318 | |
389 | |
319 | /* unlink request */ |
390 | /* unlink request */ |
… | |
… | |
324 | grp->grp_first = req->grp_next; |
395 | grp->grp_first = req->grp_next; |
325 | |
396 | |
326 | aio_grp_dec (grp); |
397 | aio_grp_dec (grp); |
327 | } |
398 | } |
328 | |
399 | |
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400 | if (SvTRUE (ERRSV)) |
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401 | { |
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402 | req_free (req); |
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403 | croak (0); |
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404 | } |
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405 | } |
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406 | |
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407 | static void req_free (aio_req req) |
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408 | { |
329 | if (req->self) |
409 | if (req->self) |
330 | { |
410 | { |
331 | sv_unmagic (req->self, PERL_MAGIC_ext); |
411 | sv_unmagic (req->self, PERL_MAGIC_ext); |
332 | SvREFCNT_dec (req->self); |
412 | SvREFCNT_dec (req->self); |
333 | } |
413 | } |
… | |
… | |
365 | aio_req req; |
445 | aio_req req; |
366 | |
446 | |
367 | for (;;) |
447 | for (;;) |
368 | { |
448 | { |
369 | pthread_mutex_lock (&reslock); |
449 | pthread_mutex_lock (&reslock); |
370 | req = ress; |
450 | req = reqq_shift (&res_queue); |
371 | |
451 | |
372 | if (req) |
452 | if (req) |
373 | { |
453 | { |
374 | ress = req->next; |
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375 | |
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376 | if (!ress) |
454 | if (!res_queue.size) |
377 | { |
455 | { |
378 | /* read any signals sent by the worker threads */ |
456 | /* read any signals sent by the worker threads */ |
379 | char buf [32]; |
457 | char buf [32]; |
380 | while (read (respipe [0], buf, 32) == 32) |
458 | while (read (respipe [0], buf, 32) == 32) |
381 | ; |
459 | ; |
382 | |
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383 | rese = 0; |
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384 | } |
460 | } |
385 | } |
461 | } |
386 | |
462 | |
387 | pthread_mutex_unlock (&reslock); |
463 | pthread_mutex_unlock (&reslock); |
388 | |
464 | |
… | |
… | |
451 | start_thread (); |
527 | start_thread (); |
452 | |
528 | |
453 | ++nreqs; |
529 | ++nreqs; |
454 | |
530 | |
455 | pthread_mutex_lock (&reqlock); |
531 | pthread_mutex_lock (&reqlock); |
456 | |
532 | reqq_push (&req_queue, req); |
457 | req->next = 0; |
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458 | |
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459 | if (reqe) |
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460 | { |
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461 | reqe->next = req; |
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462 | reqe = req; |
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463 | } |
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464 | else |
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465 | reqe = reqs = req; |
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466 | |
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467 | pthread_cond_signal (&reqwait); |
533 | pthread_cond_signal (&reqwait); |
468 | pthread_mutex_unlock (&reqlock); |
534 | pthread_mutex_unlock (&reqlock); |
469 | |
535 | |
470 | if (nreqs > max_outstanding) |
536 | if (nreqs > max_outstanding) |
471 | for (;;) |
537 | for (;;) |
… | |
… | |
480 | } |
546 | } |
481 | |
547 | |
482 | static void end_thread (void) |
548 | static void end_thread (void) |
483 | { |
549 | { |
484 | aio_req req; |
550 | aio_req req; |
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551 | |
485 | Newz (0, req, 1, aio_cb); |
552 | Newz (0, req, 1, aio_cb); |
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553 | |
486 | req->type = REQ_QUIT; |
554 | req->type = REQ_QUIT; |
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555 | req->pri = PRI_MAX + PRI_BIAS; |
487 | |
556 | |
488 | req_send (req); |
557 | req_send (req); |
489 | } |
558 | } |
490 | |
559 | |
491 | static void min_parallel (int nthreads) |
560 | static void min_parallel (int nthreads) |
… | |
… | |
578 | #if !HAVE_READAHEAD |
647 | #if !HAVE_READAHEAD |
579 | # define readahead aio_readahead |
648 | # define readahead aio_readahead |
580 | |
649 | |
581 | static ssize_t readahead (int fd, off_t offset, size_t count) |
650 | static ssize_t readahead (int fd, off_t offset, size_t count) |
582 | { |
651 | { |
583 | char readahead_buf[4096]; |
652 | dBUF; |
584 | |
653 | |
585 | while (count > 0) |
654 | while (count > 0) |
586 | { |
655 | { |
587 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
656 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
588 | |
657 | |
589 | pread (fd, readahead_buf, len, offset); |
658 | pread (fd, aio_buf, len, offset); |
590 | offset += len; |
659 | offset += len; |
591 | count -= len; |
660 | count -= len; |
592 | } |
661 | } |
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662 | |
|
|
663 | fBUF; |
593 | |
664 | |
594 | errno = 0; |
665 | errno = 0; |
595 | } |
666 | } |
596 | #endif |
667 | #endif |
597 | |
668 | |
… | |
… | |
683 | #endif |
754 | #endif |
684 | ) |
755 | ) |
685 | ) |
756 | ) |
686 | { |
757 | { |
687 | /* emulate sendfile. this is a major pain in the ass */ |
758 | /* emulate sendfile. this is a major pain in the ass */ |
688 | char buf[4096]; |
759 | dBUF; |
|
|
760 | |
689 | res = 0; |
761 | res = 0; |
690 | |
762 | |
691 | while (count) |
763 | while (count) |
692 | { |
764 | { |
693 | ssize_t cnt; |
765 | ssize_t cnt; |
694 | |
766 | |
695 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
767 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
696 | |
768 | |
697 | if (cnt <= 0) |
769 | if (cnt <= 0) |
698 | { |
770 | { |
699 | if (cnt && !res) res = -1; |
771 | if (cnt && !res) res = -1; |
700 | break; |
772 | break; |
701 | } |
773 | } |
702 | |
774 | |
703 | cnt = write (ofd, buf, cnt); |
775 | cnt = write (ofd, aio_buf, cnt); |
704 | |
776 | |
705 | if (cnt <= 0) |
777 | if (cnt <= 0) |
706 | { |
778 | { |
707 | if (cnt && !res) res = -1; |
779 | if (cnt && !res) res = -1; |
708 | break; |
780 | break; |
… | |
… | |
710 | |
782 | |
711 | offset += cnt; |
783 | offset += cnt; |
712 | res += cnt; |
784 | res += cnt; |
713 | count -= cnt; |
785 | count -= cnt; |
714 | } |
786 | } |
|
|
787 | |
|
|
788 | fBUF; |
715 | } |
789 | } |
716 | |
790 | |
717 | return res; |
791 | return res; |
718 | } |
792 | } |
719 | |
793 | |
720 | /* read a full directory */ |
794 | /* read a full directory */ |
721 | static int scandir_ (const char *path, void **namesp) |
795 | static int scandir_ (const char *path, void **namesp) |
722 | { |
796 | { |
723 | DIR *dirp = opendir (path); |
797 | DIR *dirp; |
724 | union |
798 | union |
725 | { |
799 | { |
726 | struct dirent d; |
800 | struct dirent d; |
727 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
801 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
728 | } u; |
802 | } *u; |
729 | struct dirent *entp; |
803 | struct dirent *entp; |
730 | char *name, *names; |
804 | char *name, *names; |
731 | int memlen = 4096; |
805 | int memlen = 4096; |
732 | int memofs = 0; |
806 | int memofs = 0; |
733 | int res = 0; |
807 | int res = 0; |
734 | int errorno; |
808 | int errorno; |
735 | |
809 | |
|
|
810 | dirp = opendir (path); |
736 | if (!dirp) |
811 | if (!dirp) |
737 | return -1; |
812 | return -1; |
738 | |
813 | |
|
|
814 | u = malloc (sizeof (*u)); |
739 | names = malloc (memlen); |
815 | names = malloc (memlen); |
740 | |
816 | |
|
|
817 | if (u && names) |
741 | for (;;) |
818 | for (;;) |
742 | { |
819 | { |
|
|
820 | errno = 0; |
743 | errno = 0, readdir_r (dirp, &u.d, &entp); |
821 | readdir_r (dirp, &u->d, &entp); |
744 | |
822 | |
745 | if (!entp) |
823 | if (!entp) |
746 | break; |
824 | break; |
747 | |
825 | |
748 | name = entp->d_name; |
826 | name = entp->d_name; |
749 | |
827 | |
750 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
828 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
751 | { |
829 | { |
752 | int len = strlen (name) + 1; |
830 | int len = strlen (name) + 1; |
753 | |
831 | |
754 | res++; |
832 | res++; |
755 | |
833 | |
756 | while (memofs + len > memlen) |
834 | while (memofs + len > memlen) |
757 | { |
835 | { |
758 | memlen *= 2; |
836 | memlen *= 2; |
759 | names = realloc (names, memlen); |
837 | names = realloc (names, memlen); |
760 | if (!names) |
838 | if (!names) |
761 | break; |
839 | break; |
762 | } |
840 | } |
763 | |
841 | |
764 | memcpy (names + memofs, name, len); |
842 | memcpy (names + memofs, name, len); |
765 | memofs += len; |
843 | memofs += len; |
766 | } |
844 | } |
767 | } |
845 | } |
768 | |
846 | |
769 | errorno = errno; |
847 | errorno = errno; |
|
|
848 | free (u); |
770 | closedir (dirp); |
849 | closedir (dirp); |
771 | |
850 | |
772 | if (errorno) |
851 | if (errorno) |
773 | { |
852 | { |
774 | free (names); |
853 | free (names); |
… | |
… | |
791 | { |
870 | { |
792 | pthread_mutex_lock (&reqlock); |
871 | pthread_mutex_lock (&reqlock); |
793 | |
872 | |
794 | for (;;) |
873 | for (;;) |
795 | { |
874 | { |
796 | req = reqs; |
875 | req = reqq_shift (&req_queue); |
797 | |
|
|
798 | if (reqs) |
|
|
799 | { |
|
|
800 | reqs = reqs->next; |
|
|
801 | if (!reqs) reqe = 0; |
|
|
802 | } |
|
|
803 | |
876 | |
804 | if (req) |
877 | if (req) |
805 | break; |
878 | break; |
806 | |
879 | |
807 | pthread_cond_wait (&reqwait, &reqlock); |
880 | pthread_cond_wait (&reqwait, &reqlock); |
… | |
… | |
835 | |
908 | |
836 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
909 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
837 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
910 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
838 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
911 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
839 | |
912 | |
840 | case REQ_SLEEP: |
913 | case REQ_BUSY: |
841 | { |
914 | { |
842 | struct timeval tv; |
915 | struct timeval tv; |
843 | |
916 | |
844 | tv.tv_sec = req->fd; |
917 | tv.tv_sec = req->fd; |
845 | tv.tv_usec = req->fd2; |
918 | tv.tv_usec = req->fd2; |
… | |
… | |
859 | |
932 | |
860 | req->errorno = errno; |
933 | req->errorno = errno; |
861 | |
934 | |
862 | pthread_mutex_lock (&reslock); |
935 | pthread_mutex_lock (&reslock); |
863 | |
936 | |
864 | req->next = 0; |
937 | if (!reqq_push (&res_queue, req)) |
865 | |
|
|
866 | if (rese) |
|
|
867 | { |
|
|
868 | rese->next = req; |
|
|
869 | rese = req; |
|
|
870 | } |
|
|
871 | else |
|
|
872 | { |
|
|
873 | rese = ress = req; |
|
|
874 | |
|
|
875 | /* write a dummy byte to the pipe so fh becomes ready */ |
938 | /* write a dummy byte to the pipe so fh becomes ready */ |
876 | write (respipe [1], &respipe, 1); |
939 | write (respipe [1], &respipe, 1); |
877 | } |
|
|
878 | |
940 | |
879 | pthread_mutex_unlock (&reslock); |
941 | pthread_mutex_unlock (&reslock); |
880 | } |
942 | } |
881 | while (type != REQ_QUIT); |
943 | while (type != REQ_QUIT); |
882 | |
944 | |
… | |
… | |
913 | { |
975 | { |
914 | aio_req prv; |
976 | aio_req prv; |
915 | |
977 | |
916 | started = 0; |
978 | started = 0; |
917 | |
979 | |
918 | while (reqs) |
980 | while (prv = reqq_shift (&req_queue)) |
919 | { |
|
|
920 | prv = reqs; |
|
|
921 | reqs = prv->next; |
|
|
922 | req_free (prv); |
981 | req_free (prv); |
923 | } |
|
|
924 | |
982 | |
925 | reqs = reqe = 0; |
983 | while (prv = reqq_shift (&res_queue)) |
926 | |
|
|
927 | while (ress) |
|
|
928 | { |
|
|
929 | prv = ress; |
|
|
930 | ress = prv->next; |
|
|
931 | req_free (prv); |
984 | req_free (prv); |
932 | } |
985 | |
933 | |
|
|
934 | ress = rese = 0; |
|
|
935 | |
|
|
936 | close (respipe [0]); |
986 | close (respipe [0]); |
937 | close (respipe [1]); |
987 | close (respipe [1]); |
938 | create_pipe (); |
988 | create_pipe (); |
939 | |
989 | |
940 | atfork_parent (); |
990 | atfork_parent (); |
… | |
… | |
1215 | |
1265 | |
1216 | REQ_SEND; |
1266 | REQ_SEND; |
1217 | } |
1267 | } |
1218 | |
1268 | |
1219 | void |
1269 | void |
1220 | aio_sleep (delay,callback=&PL_sv_undef) |
1270 | aio_busy (delay,callback=&PL_sv_undef) |
1221 | double delay |
1271 | double delay |
1222 | SV * callback |
1272 | SV * callback |
1223 | PPCODE: |
1273 | PPCODE: |
1224 | { |
1274 | { |
1225 | dREQ; |
1275 | dREQ; |
1226 | |
1276 | |
1227 | req->type = REQ_SLEEP; |
1277 | req->type = REQ_BUSY; |
1228 | req->fd = delay < 0. ? 0 : delay; |
1278 | req->fd = delay < 0. ? 0 : delay; |
1229 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1279 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1230 | |
1280 | |
1231 | REQ_SEND; |
1281 | REQ_SEND; |
1232 | } |
1282 | } |
… | |
… | |
1255 | req->type = REQ_NOP; |
1305 | req->type = REQ_NOP; |
1256 | |
1306 | |
1257 | REQ_SEND; |
1307 | REQ_SEND; |
1258 | } |
1308 | } |
1259 | |
1309 | |
1260 | #if 0 |
|
|
1261 | |
|
|
1262 | void |
1310 | void |
1263 | aio_pri (int pri = DEFAULT_PRI) |
1311 | aioreq_pri (int pri = DEFAULT_PRI) |
1264 | CODE: |
1312 | CODE: |
1265 | if (pri > PRI_MIN) pri = PRI_MIN; |
1313 | if (pri < PRI_MIN) pri = PRI_MIN; |
1266 | if (pri < PRI_MAX) pri = PRI_MAX; |
1314 | if (pri > PRI_MAX) pri = PRI_MAX; |
1267 | next_pri = pri + PRI_BIAS; |
1315 | next_pri = pri + PRI_BIAS; |
1268 | |
1316 | |
1269 | #endif |
1317 | void |
|
|
1318 | aioreq_nice (int nice = 0) |
|
|
1319 | CODE: |
|
|
1320 | nice = next_pri - nice; |
|
|
1321 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1322 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1323 | next_pri = nice + PRI_BIAS; |
1270 | |
1324 | |
1271 | void |
1325 | void |
1272 | flush () |
1326 | flush () |
1273 | PROTOTYPE: |
1327 | PROTOTYPE: |
1274 | CODE: |
1328 | CODE: |
… | |
… | |
1323 | |
1377 | |
1324 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1378 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1325 | |
1379 | |
1326 | void |
1380 | void |
1327 | cancel (aio_req_ornot req) |
1381 | cancel (aio_req_ornot req) |
1328 | PROTOTYPE: |
|
|
1329 | CODE: |
1382 | CODE: |
1330 | req_cancel (req); |
1383 | req_cancel (req); |
1331 | |
1384 | |
1332 | void |
1385 | void |
1333 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1386 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
… | |
… | |
1383 | SvREFCNT_dec (grp->data); |
1436 | SvREFCNT_dec (grp->data); |
1384 | grp->data = (SV *)av; |
1437 | grp->data = (SV *)av; |
1385 | } |
1438 | } |
1386 | |
1439 | |
1387 | void |
1440 | void |
1388 | feed_limit (aio_req grp, int limit) |
1441 | limit (aio_req grp, int limit) |
1389 | CODE: |
1442 | CODE: |
1390 | grp->fd2 = limit; |
1443 | grp->fd2 = limit; |
1391 | aio_grp_feed (grp); |
1444 | aio_grp_feed (grp); |
1392 | |
1445 | |
1393 | void |
1446 | void |