|
|
1 | /* solaris */ |
|
|
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
|
|
3 | |
|
|
4 | #if __linux && !defined(_GNU_SOURCE) |
|
|
5 | # define _GNU_SOURCE |
|
|
6 | #endif |
|
|
7 | |
|
|
8 | /* just in case */ |
1 | #define _REENTRANT 1 |
9 | #define _REENTRANT 1 |
|
|
10 | |
2 | #include <errno.h> |
11 | #include <errno.h> |
3 | |
12 | |
4 | #include "EXTERN.h" |
13 | #include "EXTERN.h" |
5 | #include "perl.h" |
14 | #include "perl.h" |
6 | #include "XSUB.h" |
15 | #include "XSUB.h" |
… | |
… | |
34 | # else |
43 | # else |
35 | # error sendfile support requested but not available |
44 | # error sendfile support requested but not available |
36 | # endif |
45 | # endif |
37 | #endif |
46 | #endif |
38 | |
47 | |
|
|
48 | /* number of seconds after which idle threads exit */ |
|
|
49 | #define IDLE_TIMEOUT 10 |
|
|
50 | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
51 | /* used for struct dirent, AIX doesn't provide it */ |
40 | #ifndef NAME_MAX |
52 | #ifndef NAME_MAX |
41 | # define NAME_MAX 4096 |
53 | # define NAME_MAX 4096 |
42 | #endif |
54 | #endif |
43 | |
55 | |
|
|
56 | #ifndef PTHREAD_STACK_MIN |
|
|
57 | /* care for broken platforms, e.g. windows */ |
|
|
58 | # define PTHREAD_STACK_MIN 16384 |
|
|
59 | #endif |
|
|
60 | |
44 | #if __ia64 |
61 | #if __ia64 |
45 | # define STACKSIZE 65536 |
62 | # define STACKSIZE 65536 |
|
|
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
|
|
64 | # define STACKSIZE PTHREAD_STACK_MIN |
46 | #else |
65 | #else |
47 | # define STACKSIZE 8192 |
66 | # define STACKSIZE 16384 |
48 | #endif |
67 | #endif |
|
|
68 | |
|
|
69 | /* wether word reads are potentially non-atomic. |
|
|
70 | * this is conservatice, likely most arches this runs |
|
|
71 | * on have atomic word read/writes. |
|
|
72 | */ |
|
|
73 | #ifndef WORDACCESS_UNSAFE |
|
|
74 | # if __i386 || __x86_64 |
|
|
75 | # define WORDACCESS_UNSAFE 0 |
|
|
76 | # else |
|
|
77 | # define WORDACCESS_UNSAFE 1 |
|
|
78 | # endif |
|
|
79 | #endif |
|
|
80 | |
|
|
81 | /* buffer size for various temporary buffers */ |
|
|
82 | #define AIO_BUFSIZE 65536 |
|
|
83 | |
|
|
84 | #define dBUF \ |
|
|
85 | char *aio_buf; \ |
|
|
86 | LOCK (wrklock); \ |
|
|
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
|
|
88 | UNLOCK (wrklock); \ |
|
|
89 | if (!aio_buf) \ |
|
|
90 | return -1; |
49 | |
91 | |
50 | enum { |
92 | enum { |
51 | REQ_QUIT, |
93 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
94 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
54 | REQ_SENDFILE, |
96 | REQ_SENDFILE, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
100 | REQ_MKNOD, REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
60 | REQ_GROUP, REQ_NOP, |
102 | REQ_GROUP, REQ_NOP, |
61 | REQ_SLEEP, |
103 | REQ_BUSY, |
62 | }; |
104 | }; |
63 | |
105 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
107 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
108 | |
67 | typedef struct aio_cb |
109 | typedef struct aio_cb |
68 | { |
110 | { |
69 | struct aio_cb *volatile next; |
111 | struct aio_cb *volatile next; |
70 | |
112 | |
71 | SV *data, *callback; |
113 | SV *callback, *fh; |
72 | SV *fh, *fh2; |
114 | SV *sv1, *sv2; |
73 | void *dataptr, *data2ptr; |
115 | void *ptr1, *ptr2; |
74 | Stat_t *statdata; |
116 | Stat_t *statdata; |
75 | off_t offset; |
117 | off_t offs; |
76 | size_t length; |
118 | size_t size; |
77 | ssize_t result; |
119 | ssize_t result; |
78 | |
120 | |
79 | STRLEN dataoffset; |
121 | STRLEN stroffset; |
80 | int type; |
122 | int type; |
81 | int fd, fd2; |
123 | int int1, int2; |
82 | int errorno; |
124 | int errorno; |
83 | mode_t mode; /* open */ |
125 | mode_t mode; /* open */ |
84 | |
126 | |
85 | unsigned char flags; |
127 | unsigned char flags; |
86 | unsigned char pri; |
128 | unsigned char pri; |
… | |
… | |
88 | SV *self; /* the perl counterpart of this request, if any */ |
130 | SV *self; /* the perl counterpart of this request, if any */ |
89 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
90 | } aio_cb; |
132 | } aio_cb; |
91 | |
133 | |
92 | enum { |
134 | enum { |
93 | FLAG_CANCELLED = 0x01, |
135 | FLAG_CANCELLED = 0x01, |
|
|
136 | FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */ |
94 | }; |
137 | }; |
95 | |
138 | |
96 | typedef aio_cb *aio_req; |
139 | typedef aio_cb *aio_req; |
97 | typedef aio_cb *aio_req_ornot; |
140 | typedef aio_cb *aio_req_ornot; |
98 | |
141 | |
99 | enum { |
142 | enum { |
100 | PRI_MIN = 4, |
143 | PRI_MIN = -4, |
101 | PRI_MAX = -4, |
144 | PRI_MAX = 4, |
102 | |
145 | |
103 | DEFAULT_PRI = 0, |
146 | DEFAULT_PRI = 0, |
104 | PRI_BIAS = PRI_MIN, |
147 | PRI_BIAS = -PRI_MIN, |
|
|
148 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
105 | }; |
149 | }; |
106 | |
150 | |
|
|
151 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
152 | |
|
|
153 | static unsigned int max_poll_time = 0; |
|
|
154 | static unsigned int max_poll_reqs = 0; |
|
|
155 | |
|
|
156 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
157 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
158 | { |
|
|
159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
161 | } |
|
|
162 | |
107 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
108 | |
164 | |
109 | static int started, wanted; |
165 | static unsigned int started, idle, wanted; |
110 | static volatile int nreqs; |
166 | |
111 | static int max_outstanding = 1<<30; |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
|
|
168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
169 | #else |
|
|
170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
171 | #endif |
|
|
172 | |
|
|
173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
|
|
174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
|
|
175 | |
|
|
176 | /* worker threads management */ |
|
|
177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
|
|
178 | |
|
|
179 | typedef struct worker { |
|
|
180 | /* locked by wrklock */ |
|
|
181 | struct worker *prev, *next; |
|
|
182 | |
|
|
183 | pthread_t tid; |
|
|
184 | |
|
|
185 | /* locked by reslock, reqlock or wrklock */ |
|
|
186 | aio_req req; /* currently processed request */ |
|
|
187 | void *dbuf; |
|
|
188 | DIR *dirp; |
|
|
189 | } worker; |
|
|
190 | |
|
|
191 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
|
|
192 | |
|
|
193 | static void worker_clear (worker *wrk) |
|
|
194 | { |
|
|
195 | if (wrk->dirp) |
|
|
196 | { |
|
|
197 | closedir (wrk->dirp); |
|
|
198 | wrk->dirp = 0; |
|
|
199 | } |
|
|
200 | |
|
|
201 | if (wrk->dbuf) |
|
|
202 | { |
|
|
203 | free (wrk->dbuf); |
|
|
204 | wrk->dbuf = 0; |
|
|
205 | } |
|
|
206 | } |
|
|
207 | |
|
|
208 | static void worker_free (worker *wrk) |
|
|
209 | { |
|
|
210 | wrk->next->prev = wrk->prev; |
|
|
211 | wrk->prev->next = wrk->next; |
|
|
212 | |
|
|
213 | free (wrk); |
|
|
214 | } |
|
|
215 | |
|
|
216 | static volatile unsigned int nreqs, nready, npending; |
|
|
217 | static volatile unsigned int max_idle = 4; |
|
|
218 | static volatile unsigned int max_outstanding = 0xffffffff; |
112 | static int respipe [2]; |
219 | static int respipe [2]; |
113 | |
220 | |
114 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
115 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
116 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
117 | |
224 | |
118 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
225 | #if WORDACCESS_UNSAFE |
119 | static volatile aio_req ress, rese; /* queue start, queue end */ |
|
|
120 | |
226 | |
|
|
227 | static unsigned int get_nready () |
|
|
228 | { |
|
|
229 | unsigned int retval; |
|
|
230 | |
|
|
231 | LOCK (reqlock); |
|
|
232 | retval = nready; |
|
|
233 | UNLOCK (reqlock); |
|
|
234 | |
|
|
235 | return retval; |
|
|
236 | } |
|
|
237 | |
|
|
238 | static unsigned int get_npending () |
|
|
239 | { |
|
|
240 | unsigned int retval; |
|
|
241 | |
|
|
242 | LOCK (reslock); |
|
|
243 | retval = npending; |
|
|
244 | UNLOCK (reslock); |
|
|
245 | |
|
|
246 | return retval; |
|
|
247 | } |
|
|
248 | |
|
|
249 | static unsigned int get_nthreads () |
|
|
250 | { |
|
|
251 | unsigned int retval; |
|
|
252 | |
|
|
253 | LOCK (wrklock); |
|
|
254 | retval = started; |
|
|
255 | UNLOCK (wrklock); |
|
|
256 | |
|
|
257 | return retval; |
|
|
258 | } |
|
|
259 | |
|
|
260 | #else |
|
|
261 | |
|
|
262 | # define get_nready() nready |
|
|
263 | # define get_npending() npending |
|
|
264 | # define get_nthreads() started |
|
|
265 | |
|
|
266 | #endif |
|
|
267 | |
|
|
268 | /* |
|
|
269 | * a somewhat faster data structure might be nice, but |
|
|
270 | * with 8 priorities this actually needs <20 insns |
|
|
271 | * per shift, the most expensive operation. |
|
|
272 | */ |
|
|
273 | typedef struct { |
|
|
274 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
275 | int size; |
|
|
276 | } reqq; |
|
|
277 | |
|
|
278 | static reqq req_queue; |
|
|
279 | static reqq res_queue; |
|
|
280 | |
|
|
281 | int reqq_push (reqq *q, aio_req req) |
|
|
282 | { |
|
|
283 | int pri = req->pri; |
|
|
284 | req->next = 0; |
|
|
285 | |
|
|
286 | if (q->qe[pri]) |
|
|
287 | { |
|
|
288 | q->qe[pri]->next = req; |
|
|
289 | q->qe[pri] = req; |
|
|
290 | } |
|
|
291 | else |
|
|
292 | q->qe[pri] = q->qs[pri] = req; |
|
|
293 | |
|
|
294 | return q->size++; |
|
|
295 | } |
|
|
296 | |
|
|
297 | aio_req reqq_shift (reqq *q) |
|
|
298 | { |
|
|
299 | int pri; |
|
|
300 | |
|
|
301 | if (!q->size) |
|
|
302 | return 0; |
|
|
303 | |
|
|
304 | --q->size; |
|
|
305 | |
|
|
306 | for (pri = NUM_PRI; pri--; ) |
|
|
307 | { |
|
|
308 | aio_req req = q->qs[pri]; |
|
|
309 | |
|
|
310 | if (req) |
|
|
311 | { |
|
|
312 | if (!(q->qs[pri] = req->next)) |
|
|
313 | q->qe[pri] = 0; |
|
|
314 | |
|
|
315 | return req; |
|
|
316 | } |
|
|
317 | } |
|
|
318 | |
|
|
319 | abort (); |
|
|
320 | } |
|
|
321 | |
|
|
322 | static int poll_cb (); |
121 | static void req_invoke (aio_req req); |
323 | static void req_invoke (aio_req req); |
122 | static void req_free (aio_req req); |
324 | static void req_free (aio_req req); |
|
|
325 | static void req_cancel (aio_req req); |
123 | |
326 | |
124 | /* must be called at most once */ |
327 | /* must be called at most once */ |
125 | static SV *req_sv (aio_req req, const char *klass) |
328 | static SV *req_sv (aio_req req, const char *klass) |
126 | { |
329 | { |
127 | if (!req->self) |
330 | if (!req->self) |
… | |
… | |
145 | return mg ? (aio_req)mg->mg_ptr : 0; |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
146 | } |
349 | } |
147 | |
350 | |
148 | static void aio_grp_feed (aio_req grp) |
351 | static void aio_grp_feed (aio_req grp) |
149 | { |
352 | { |
150 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
151 | { |
354 | { |
152 | int old_len = grp->length; |
355 | int old_len = grp->size; |
153 | |
356 | |
154 | if (grp->fh2 && SvOK (grp->fh2)) |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
155 | { |
358 | { |
156 | dSP; |
359 | dSP; |
157 | |
360 | |
158 | ENTER; |
361 | ENTER; |
159 | SAVETMPS; |
362 | SAVETMPS; |
160 | PUSHMARK (SP); |
363 | PUSHMARK (SP); |
161 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
162 | PUTBACK; |
365 | PUTBACK; |
163 | call_sv (grp->fh2, G_VOID | G_EVAL); |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
164 | SPAGAIN; |
367 | SPAGAIN; |
165 | FREETMPS; |
368 | FREETMPS; |
166 | LEAVE; |
369 | LEAVE; |
167 | } |
370 | } |
168 | |
371 | |
169 | /* stop if no progress has been made */ |
372 | /* stop if no progress has been made */ |
170 | if (old_len == grp->length) |
373 | if (old_len == grp->size) |
171 | { |
374 | { |
172 | SvREFCNT_dec (grp->fh2); |
375 | SvREFCNT_dec (grp->sv2); |
173 | grp->fh2 = 0; |
376 | grp->sv2 = 0; |
174 | break; |
377 | break; |
175 | } |
378 | } |
176 | } |
379 | } |
177 | } |
380 | } |
178 | |
381 | |
179 | static void aio_grp_dec (aio_req grp) |
382 | static void aio_grp_dec (aio_req grp) |
180 | { |
383 | { |
181 | --grp->length; |
384 | --grp->size; |
182 | |
385 | |
183 | /* call feeder, if applicable */ |
386 | /* call feeder, if applicable */ |
184 | aio_grp_feed (grp); |
387 | aio_grp_feed (grp); |
185 | |
388 | |
186 | /* finish, if done */ |
389 | /* finish, if done */ |
187 | if (!grp->length && grp->fd) |
390 | if (!grp->size && grp->int1) |
188 | { |
391 | { |
189 | req_invoke (grp); |
392 | req_invoke (grp); |
190 | req_free (grp); |
393 | req_free (grp); |
191 | } |
394 | } |
192 | } |
395 | } |
193 | |
396 | |
194 | static void poll_wait () |
|
|
195 | { |
|
|
196 | while (nreqs) |
|
|
197 | { |
|
|
198 | aio_req req; |
|
|
199 | pthread_mutex_lock (&reslock); |
|
|
200 | req = ress; |
|
|
201 | pthread_mutex_unlock (&reslock); |
|
|
202 | |
|
|
203 | if (req) |
|
|
204 | return; |
|
|
205 | |
|
|
206 | fd_set rfd; |
|
|
207 | FD_ZERO(&rfd); |
|
|
208 | FD_SET(respipe [0], &rfd); |
|
|
209 | |
|
|
210 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
211 | } |
|
|
212 | } |
|
|
213 | |
|
|
214 | static void req_invoke (aio_req req) |
397 | static void req_invoke (aio_req req) |
215 | { |
398 | { |
216 | dSP; |
399 | dSP; |
217 | int errorno = errno; |
|
|
218 | |
400 | |
|
|
401 | if (req->flags & FLAG_DATA_RO_OFF) |
|
|
402 | SvREADONLY_off (req->sv1); |
|
|
403 | |
|
|
404 | if (req->statdata) |
|
|
405 | { |
|
|
406 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
407 | PL_laststatval = req->result; |
|
|
408 | PL_statcache = *(req->statdata); |
|
|
409 | } |
|
|
410 | |
219 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
411 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
220 | return; |
412 | { |
221 | |
|
|
222 | errno = req->errorno; |
|
|
223 | |
|
|
224 | ENTER; |
413 | ENTER; |
225 | SAVETMPS; |
414 | SAVETMPS; |
226 | PUSHMARK (SP); |
415 | PUSHMARK (SP); |
227 | EXTEND (SP, 1); |
416 | EXTEND (SP, 1); |
228 | |
417 | |
229 | switch (req->type) |
418 | switch (req->type) |
230 | { |
|
|
231 | case REQ_READDIR: |
|
|
232 | { |
419 | { |
233 | SV *rv = &PL_sv_undef; |
420 | case REQ_READDIR: |
234 | |
|
|
235 | if (req->result >= 0) |
|
|
236 | { |
421 | { |
237 | char *buf = req->data2ptr; |
422 | SV *rv = &PL_sv_undef; |
238 | AV *av = newAV (); |
|
|
239 | |
423 | |
240 | while (req->result) |
424 | if (req->result >= 0) |
241 | { |
425 | { |
|
|
426 | int i; |
|
|
427 | char *buf = req->ptr2; |
|
|
428 | AV *av = newAV (); |
|
|
429 | |
|
|
430 | av_extend (av, req->result - 1); |
|
|
431 | |
|
|
432 | for (i = 0; i < req->result; ++i) |
|
|
433 | { |
242 | SV *sv = newSVpv (buf, 0); |
434 | SV *sv = newSVpv (buf, 0); |
243 | |
435 | |
244 | av_push (av, sv); |
436 | av_store (av, i, sv); |
245 | buf += SvCUR (sv) + 1; |
437 | buf += SvCUR (sv) + 1; |
246 | req->result--; |
438 | } |
|
|
439 | |
|
|
440 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
247 | } |
441 | } |
248 | |
442 | |
249 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
443 | PUSHs (rv); |
250 | } |
444 | } |
|
|
445 | break; |
251 | |
446 | |
|
|
447 | case REQ_OPEN: |
|
|
448 | { |
|
|
449 | /* convert fd to fh */ |
|
|
450 | SV *fh; |
|
|
451 | |
|
|
452 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
453 | PUTBACK; |
|
|
454 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
455 | SPAGAIN; |
|
|
456 | |
|
|
457 | fh = SvREFCNT_inc (POPs); |
|
|
458 | |
|
|
459 | PUSHMARK (SP); |
|
|
460 | XPUSHs (sv_2mortal (fh)); |
|
|
461 | } |
|
|
462 | break; |
|
|
463 | |
|
|
464 | case REQ_GROUP: |
|
|
465 | req->int1 = 2; /* mark group as finished */ |
|
|
466 | |
|
|
467 | if (req->sv1) |
|
|
468 | { |
|
|
469 | int i; |
|
|
470 | AV *av = (AV *)req->sv1; |
|
|
471 | |
|
|
472 | EXTEND (SP, AvFILL (av) + 1); |
|
|
473 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
474 | PUSHs (*av_fetch (av, i, 0)); |
|
|
475 | } |
|
|
476 | break; |
|
|
477 | |
|
|
478 | case REQ_NOP: |
|
|
479 | case REQ_BUSY: |
|
|
480 | break; |
|
|
481 | |
|
|
482 | case REQ_READLINK: |
|
|
483 | if (req->result > 0) |
|
|
484 | { |
|
|
485 | SvCUR_set (req->sv1, req->result); |
|
|
486 | *SvEND (req->sv1) = 0; |
252 | PUSHs (rv); |
487 | PUSHs (req->sv1); |
|
|
488 | } |
|
|
489 | break; |
|
|
490 | |
|
|
491 | case REQ_READ: |
|
|
492 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
493 | *SvEND (req->sv1) = 0; |
|
|
494 | /* fall through */ |
|
|
495 | default: |
|
|
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
497 | break; |
253 | } |
498 | } |
254 | break; |
|
|
255 | |
499 | |
256 | case REQ_OPEN: |
500 | errno = req->errorno; |
257 | { |
|
|
258 | /* convert fd to fh */ |
|
|
259 | SV *fh; |
|
|
260 | |
501 | |
261 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
262 | PUTBACK; |
502 | PUTBACK; |
263 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
264 | SPAGAIN; |
|
|
265 | |
|
|
266 | fh = SvREFCNT_inc (POPs); |
|
|
267 | |
|
|
268 | PUSHMARK (SP); |
|
|
269 | XPUSHs (sv_2mortal (fh)); |
|
|
270 | } |
|
|
271 | break; |
|
|
272 | |
|
|
273 | case REQ_GROUP: |
|
|
274 | req->fd = 2; /* mark group as finished */ |
|
|
275 | |
|
|
276 | if (req->data) |
|
|
277 | { |
|
|
278 | int i; |
|
|
279 | AV *av = (AV *)req->data; |
|
|
280 | |
|
|
281 | EXTEND (SP, AvFILL (av) + 1); |
|
|
282 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
283 | PUSHs (*av_fetch (av, i, 0)); |
|
|
284 | } |
|
|
285 | break; |
|
|
286 | |
|
|
287 | case REQ_NOP: |
|
|
288 | case REQ_SLEEP: |
|
|
289 | break; |
|
|
290 | |
|
|
291 | default: |
|
|
292 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
293 | break; |
|
|
294 | } |
|
|
295 | |
|
|
296 | |
|
|
297 | PUTBACK; |
|
|
298 | call_sv (req->callback, G_VOID | G_EVAL); |
503 | call_sv (req->callback, G_VOID | G_EVAL); |
299 | SPAGAIN; |
504 | SPAGAIN; |
300 | |
505 | |
301 | FREETMPS; |
506 | FREETMPS; |
302 | LEAVE; |
507 | LEAVE; |
303 | |
|
|
304 | errno = errorno; |
|
|
305 | |
|
|
306 | if (SvTRUE (ERRSV)) |
|
|
307 | { |
508 | } |
308 | req_free (req); |
|
|
309 | croak (0); |
|
|
310 | } |
|
|
311 | } |
|
|
312 | |
509 | |
313 | static void req_free (aio_req req) |
|
|
314 | { |
|
|
315 | if (req->grp) |
510 | if (req->grp) |
316 | { |
511 | { |
317 | aio_req grp = req->grp; |
512 | aio_req grp = req->grp; |
318 | |
513 | |
319 | /* unlink request */ |
514 | /* unlink request */ |
… | |
… | |
324 | grp->grp_first = req->grp_next; |
519 | grp->grp_first = req->grp_next; |
325 | |
520 | |
326 | aio_grp_dec (grp); |
521 | aio_grp_dec (grp); |
327 | } |
522 | } |
328 | |
523 | |
|
|
524 | if (SvTRUE (ERRSV)) |
|
|
525 | { |
|
|
526 | req_free (req); |
|
|
527 | croak (0); |
|
|
528 | } |
|
|
529 | } |
|
|
530 | |
|
|
531 | static void req_free (aio_req req) |
|
|
532 | { |
329 | if (req->self) |
533 | if (req->self) |
330 | { |
534 | { |
331 | sv_unmagic (req->self, PERL_MAGIC_ext); |
535 | sv_unmagic (req->self, PERL_MAGIC_ext); |
332 | SvREFCNT_dec (req->self); |
536 | SvREFCNT_dec (req->self); |
333 | } |
537 | } |
334 | |
538 | |
335 | SvREFCNT_dec (req->data); |
|
|
336 | SvREFCNT_dec (req->fh); |
539 | SvREFCNT_dec (req->fh); |
|
|
540 | SvREFCNT_dec (req->sv1); |
337 | SvREFCNT_dec (req->fh2); |
541 | SvREFCNT_dec (req->sv2); |
338 | SvREFCNT_dec (req->callback); |
542 | SvREFCNT_dec (req->callback); |
339 | Safefree (req->statdata); |
543 | Safefree (req->statdata); |
340 | |
544 | |
341 | if (req->type == REQ_READDIR && req->result >= 0) |
545 | if (req->type == REQ_READDIR) |
342 | free (req->data2ptr); |
546 | free (req->ptr2); |
343 | |
547 | |
344 | Safefree (req); |
548 | Safefree (req); |
345 | } |
549 | } |
346 | |
550 | |
|
|
551 | static void req_cancel_subs (aio_req grp) |
|
|
552 | { |
|
|
553 | aio_req sub; |
|
|
554 | |
|
|
555 | if (grp->type != REQ_GROUP) |
|
|
556 | return; |
|
|
557 | |
|
|
558 | SvREFCNT_dec (grp->sv2); |
|
|
559 | grp->sv2 = 0; |
|
|
560 | |
|
|
561 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
562 | req_cancel (sub); |
|
|
563 | } |
|
|
564 | |
347 | static void req_cancel (aio_req req) |
565 | static void req_cancel (aio_req req) |
348 | { |
566 | { |
349 | req->flags |= FLAG_CANCELLED; |
567 | req->flags |= FLAG_CANCELLED; |
350 | |
568 | |
351 | if (req->type == REQ_GROUP) |
569 | req_cancel_subs (req); |
352 | { |
|
|
353 | aio_req sub; |
|
|
354 | |
|
|
355 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
356 | req_cancel (sub); |
|
|
357 | } |
|
|
358 | } |
|
|
359 | |
|
|
360 | static int poll_cb () |
|
|
361 | { |
|
|
362 | dSP; |
|
|
363 | int count = 0; |
|
|
364 | int do_croak = 0; |
|
|
365 | aio_req req; |
|
|
366 | |
|
|
367 | for (;;) |
|
|
368 | { |
|
|
369 | pthread_mutex_lock (&reslock); |
|
|
370 | req = ress; |
|
|
371 | |
|
|
372 | if (req) |
|
|
373 | { |
|
|
374 | ress = req->next; |
|
|
375 | |
|
|
376 | if (!ress) |
|
|
377 | { |
|
|
378 | /* read any signals sent by the worker threads */ |
|
|
379 | char buf [32]; |
|
|
380 | while (read (respipe [0], buf, 32) == 32) |
|
|
381 | ; |
|
|
382 | |
|
|
383 | rese = 0; |
|
|
384 | } |
|
|
385 | } |
|
|
386 | |
|
|
387 | pthread_mutex_unlock (&reslock); |
|
|
388 | |
|
|
389 | if (!req) |
|
|
390 | break; |
|
|
391 | |
|
|
392 | --nreqs; |
|
|
393 | |
|
|
394 | if (req->type == REQ_QUIT) |
|
|
395 | started--; |
|
|
396 | else if (req->type == REQ_GROUP && req->length) |
|
|
397 | { |
|
|
398 | req->fd = 1; /* mark request as delayed */ |
|
|
399 | continue; |
|
|
400 | } |
|
|
401 | else |
|
|
402 | { |
|
|
403 | if (req->type == REQ_READ) |
|
|
404 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
405 | |
|
|
406 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
407 | SvREADONLY_off (req->data); |
|
|
408 | |
|
|
409 | if (req->statdata) |
|
|
410 | { |
|
|
411 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
412 | PL_laststatval = req->result; |
|
|
413 | PL_statcache = *(req->statdata); |
|
|
414 | } |
|
|
415 | |
|
|
416 | req_invoke (req); |
|
|
417 | |
|
|
418 | count++; |
|
|
419 | } |
|
|
420 | |
|
|
421 | req_free (req); |
|
|
422 | } |
|
|
423 | |
|
|
424 | return count; |
|
|
425 | } |
570 | } |
426 | |
571 | |
427 | static void *aio_proc(void *arg); |
572 | static void *aio_proc(void *arg); |
428 | |
573 | |
429 | static void start_thread (void) |
574 | static void start_thread (void) |
430 | { |
575 | { |
431 | sigset_t fullsigset, oldsigset; |
576 | sigset_t fullsigset, oldsigset; |
432 | pthread_t tid; |
|
|
433 | pthread_attr_t attr; |
577 | pthread_attr_t attr; |
|
|
578 | |
|
|
579 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
580 | |
|
|
581 | if (!wrk) |
|
|
582 | croak ("unable to allocate worker thread data"); |
434 | |
583 | |
435 | pthread_attr_init (&attr); |
584 | pthread_attr_init (&attr); |
436 | pthread_attr_setstacksize (&attr, STACKSIZE); |
585 | pthread_attr_setstacksize (&attr, STACKSIZE); |
437 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
586 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
587 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
588 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
589 | #endif |
438 | |
590 | |
439 | sigfillset (&fullsigset); |
591 | sigfillset (&fullsigset); |
|
|
592 | |
|
|
593 | LOCK (wrklock); |
440 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
594 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
441 | |
595 | |
442 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
596 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
597 | { |
|
|
598 | wrk->prev = &wrk_first; |
|
|
599 | wrk->next = wrk_first.next; |
|
|
600 | wrk_first.next->prev = wrk; |
|
|
601 | wrk_first.next = wrk; |
443 | started++; |
602 | ++started; |
|
|
603 | } |
|
|
604 | else |
|
|
605 | free (wrk); |
444 | |
606 | |
445 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
607 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
608 | UNLOCK (wrklock); |
|
|
609 | } |
|
|
610 | |
|
|
611 | static void maybe_start_thread () |
|
|
612 | { |
|
|
613 | if (get_nthreads () >= wanted) |
|
|
614 | return; |
|
|
615 | |
|
|
616 | /* todo: maybe use idle here, but might be less exact */ |
|
|
617 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | start_thread (); |
446 | } |
621 | } |
447 | |
622 | |
448 | static void req_send (aio_req req) |
623 | static void req_send (aio_req req) |
449 | { |
624 | { |
450 | while (started < wanted && nreqs >= started) |
|
|
451 | start_thread (); |
|
|
452 | |
|
|
453 | ++nreqs; |
625 | ++nreqs; |
454 | |
626 | |
455 | pthread_mutex_lock (&reqlock); |
627 | LOCK (reqlock); |
456 | |
628 | ++nready; |
457 | req->next = 0; |
629 | reqq_push (&req_queue, req); |
458 | |
|
|
459 | if (reqe) |
|
|
460 | { |
|
|
461 | reqe->next = req; |
|
|
462 | reqe = req; |
|
|
463 | } |
|
|
464 | else |
|
|
465 | reqe = reqs = req; |
|
|
466 | |
|
|
467 | pthread_cond_signal (&reqwait); |
630 | pthread_cond_signal (&reqwait); |
468 | pthread_mutex_unlock (&reqlock); |
631 | UNLOCK (reqlock); |
469 | |
632 | |
470 | if (nreqs > max_outstanding) |
633 | maybe_start_thread (); |
471 | for (;;) |
|
|
472 | { |
|
|
473 | poll_cb (); |
|
|
474 | |
|
|
475 | if (nreqs <= max_outstanding) |
|
|
476 | break; |
|
|
477 | |
|
|
478 | poll_wait (); |
|
|
479 | } |
|
|
480 | } |
634 | } |
481 | |
635 | |
482 | static void end_thread (void) |
636 | static void end_thread (void) |
483 | { |
637 | { |
484 | aio_req req; |
638 | aio_req req; |
|
|
639 | |
485 | Newz (0, req, 1, aio_cb); |
640 | Newz (0, req, 1, aio_cb); |
|
|
641 | |
486 | req->type = REQ_QUIT; |
642 | req->type = REQ_QUIT; |
|
|
643 | req->pri = PRI_MAX + PRI_BIAS; |
487 | |
644 | |
488 | req_send (req); |
645 | LOCK (reqlock); |
|
|
646 | reqq_push (&req_queue, req); |
|
|
647 | pthread_cond_signal (&reqwait); |
|
|
648 | UNLOCK (reqlock); |
|
|
649 | |
|
|
650 | LOCK (wrklock); |
|
|
651 | --started; |
|
|
652 | UNLOCK (wrklock); |
|
|
653 | } |
|
|
654 | |
|
|
655 | static void set_max_idle (int nthreads) |
|
|
656 | { |
|
|
657 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
658 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
659 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
489 | } |
660 | } |
490 | |
661 | |
491 | static void min_parallel (int nthreads) |
662 | static void min_parallel (int nthreads) |
492 | { |
663 | { |
493 | if (wanted < nthreads) |
664 | if (wanted < nthreads) |
494 | wanted = nthreads; |
665 | wanted = nthreads; |
495 | } |
666 | } |
496 | |
667 | |
497 | static void max_parallel (int nthreads) |
668 | static void max_parallel (int nthreads) |
498 | { |
669 | { |
499 | int cur = started; |
|
|
500 | |
|
|
501 | if (wanted > nthreads) |
670 | if (wanted > nthreads) |
502 | wanted = nthreads; |
671 | wanted = nthreads; |
503 | |
672 | |
504 | while (cur > wanted) |
|
|
505 | { |
|
|
506 | end_thread (); |
|
|
507 | cur--; |
|
|
508 | } |
|
|
509 | |
|
|
510 | while (started > wanted) |
673 | while (started > wanted) |
|
|
674 | end_thread (); |
|
|
675 | } |
|
|
676 | |
|
|
677 | static void poll_wait () |
|
|
678 | { |
|
|
679 | fd_set rfd; |
|
|
680 | |
|
|
681 | while (nreqs) |
|
|
682 | { |
|
|
683 | int size; |
|
|
684 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
685 | size = res_queue.size; |
|
|
686 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
687 | |
|
|
688 | if (size) |
|
|
689 | return; |
|
|
690 | |
|
|
691 | maybe_start_thread (); |
|
|
692 | |
|
|
693 | FD_ZERO(&rfd); |
|
|
694 | FD_SET(respipe [0], &rfd); |
|
|
695 | |
|
|
696 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
511 | { |
697 | } |
|
|
698 | } |
|
|
699 | |
|
|
700 | static int poll_cb () |
|
|
701 | { |
|
|
702 | dSP; |
|
|
703 | int count = 0; |
|
|
704 | int maxreqs = max_poll_reqs; |
|
|
705 | int do_croak = 0; |
|
|
706 | struct timeval tv_start, tv_now; |
|
|
707 | aio_req req; |
|
|
708 | |
|
|
709 | if (max_poll_time) |
|
|
710 | gettimeofday (&tv_start, 0); |
|
|
711 | |
|
|
712 | for (;;) |
|
|
713 | { |
|
|
714 | for (;;) |
|
|
715 | { |
|
|
716 | maybe_start_thread (); |
|
|
717 | |
|
|
718 | LOCK (reslock); |
|
|
719 | req = reqq_shift (&res_queue); |
|
|
720 | |
|
|
721 | if (req) |
|
|
722 | { |
|
|
723 | --npending; |
|
|
724 | |
|
|
725 | if (!res_queue.size) |
|
|
726 | { |
|
|
727 | /* read any signals sent by the worker threads */ |
|
|
728 | char buf [32]; |
|
|
729 | while (read (respipe [0], buf, 32) == 32) |
|
|
730 | ; |
|
|
731 | } |
|
|
732 | } |
|
|
733 | |
|
|
734 | UNLOCK (reslock); |
|
|
735 | |
|
|
736 | if (!req) |
|
|
737 | break; |
|
|
738 | |
|
|
739 | --nreqs; |
|
|
740 | |
|
|
741 | if (req->type == REQ_GROUP && req->size) |
|
|
742 | { |
|
|
743 | req->int1 = 1; /* mark request as delayed */ |
|
|
744 | continue; |
|
|
745 | } |
|
|
746 | else |
|
|
747 | { |
|
|
748 | req_invoke (req); |
|
|
749 | |
|
|
750 | count++; |
|
|
751 | } |
|
|
752 | |
|
|
753 | req_free (req); |
|
|
754 | |
|
|
755 | if (maxreqs && !--maxreqs) |
|
|
756 | break; |
|
|
757 | |
|
|
758 | if (max_poll_time) |
|
|
759 | { |
|
|
760 | gettimeofday (&tv_now, 0); |
|
|
761 | |
|
|
762 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
763 | break; |
|
|
764 | } |
|
|
765 | } |
|
|
766 | |
|
|
767 | if (nreqs <= max_outstanding) |
|
|
768 | break; |
|
|
769 | |
512 | poll_wait (); |
770 | poll_wait (); |
513 | poll_cb (); |
771 | |
|
|
772 | ++maxreqs; |
514 | } |
773 | } |
|
|
774 | |
|
|
775 | return count; |
515 | } |
776 | } |
516 | |
777 | |
517 | static void create_pipe () |
778 | static void create_pipe () |
518 | { |
779 | { |
519 | if (pipe (respipe)) |
780 | if (pipe (respipe)) |
… | |
… | |
543 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
804 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
544 | { |
805 | { |
545 | ssize_t res; |
806 | ssize_t res; |
546 | off_t ooffset; |
807 | off_t ooffset; |
547 | |
808 | |
548 | pthread_mutex_lock (&preadwritelock); |
809 | LOCK (preadwritelock); |
549 | ooffset = lseek (fd, 0, SEEK_CUR); |
810 | ooffset = lseek (fd, 0, SEEK_CUR); |
550 | lseek (fd, offset, SEEK_SET); |
811 | lseek (fd, offset, SEEK_SET); |
551 | res = read (fd, buf, count); |
812 | res = read (fd, buf, count); |
552 | lseek (fd, ooffset, SEEK_SET); |
813 | lseek (fd, ooffset, SEEK_SET); |
553 | pthread_mutex_unlock (&preadwritelock); |
814 | UNLOCK (preadwritelock); |
554 | |
815 | |
555 | return res; |
816 | return res; |
556 | } |
817 | } |
557 | |
818 | |
558 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
819 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
559 | { |
820 | { |
560 | ssize_t res; |
821 | ssize_t res; |
561 | off_t ooffset; |
822 | off_t ooffset; |
562 | |
823 | |
563 | pthread_mutex_lock (&preadwritelock); |
824 | LOCK (preadwritelock); |
564 | ooffset = lseek (fd, 0, SEEK_CUR); |
825 | ooffset = lseek (fd, 0, SEEK_CUR); |
565 | lseek (fd, offset, SEEK_SET); |
826 | lseek (fd, offset, SEEK_SET); |
566 | res = write (fd, buf, count); |
827 | res = write (fd, buf, count); |
567 | lseek (fd, offset, SEEK_SET); |
828 | lseek (fd, offset, SEEK_SET); |
568 | pthread_mutex_unlock (&preadwritelock); |
829 | UNLOCK (preadwritelock); |
569 | |
830 | |
570 | return res; |
831 | return res; |
571 | } |
832 | } |
572 | #endif |
833 | #endif |
573 | |
834 | |
574 | #if !HAVE_FDATASYNC |
835 | #if !HAVE_FDATASYNC |
575 | # define fdatasync fsync |
836 | # define fdatasync fsync |
576 | #endif |
837 | #endif |
577 | |
838 | |
578 | #if !HAVE_READAHEAD |
839 | #if !HAVE_READAHEAD |
579 | # define readahead aio_readahead |
840 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
580 | |
841 | |
581 | static ssize_t readahead (int fd, off_t offset, size_t count) |
842 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
582 | { |
843 | { |
583 | char readahead_buf[4096]; |
844 | dBUF; |
584 | |
845 | |
585 | while (count > 0) |
846 | while (count > 0) |
586 | { |
847 | { |
587 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
848 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
588 | |
849 | |
589 | pread (fd, readahead_buf, len, offset); |
850 | pread (fd, aio_buf, len, offset); |
590 | offset += len; |
851 | offset += len; |
591 | count -= len; |
852 | count -= len; |
592 | } |
853 | } |
593 | |
854 | |
594 | errno = 0; |
855 | errno = 0; |
595 | } |
856 | } |
|
|
857 | |
596 | #endif |
858 | #endif |
597 | |
859 | |
598 | #if !HAVE_READDIR_R |
860 | #if !HAVE_READDIR_R |
599 | # define readdir_r aio_readdir_r |
861 | # define readdir_r aio_readdir_r |
600 | |
862 | |
… | |
… | |
603 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
865 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
604 | { |
866 | { |
605 | struct dirent *e; |
867 | struct dirent *e; |
606 | int errorno; |
868 | int errorno; |
607 | |
869 | |
608 | pthread_mutex_lock (&readdirlock); |
870 | LOCK (readdirlock); |
609 | |
871 | |
610 | e = readdir (dirp); |
872 | e = readdir (dirp); |
611 | errorno = errno; |
873 | errorno = errno; |
612 | |
874 | |
613 | if (e) |
875 | if (e) |
… | |
… | |
616 | strcpy (ent->d_name, e->d_name); |
878 | strcpy (ent->d_name, e->d_name); |
617 | } |
879 | } |
618 | else |
880 | else |
619 | *res = 0; |
881 | *res = 0; |
620 | |
882 | |
621 | pthread_mutex_unlock (&readdirlock); |
883 | UNLOCK (readdirlock); |
622 | |
884 | |
623 | errno = errorno; |
885 | errno = errorno; |
624 | return e ? 0 : -1; |
886 | return e ? 0 : -1; |
625 | } |
887 | } |
626 | #endif |
888 | #endif |
627 | |
889 | |
628 | /* sendfile always needs emulation */ |
890 | /* sendfile always needs emulation */ |
629 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
891 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
630 | { |
892 | { |
631 | ssize_t res; |
893 | ssize_t res; |
632 | |
894 | |
633 | if (!count) |
895 | if (!count) |
634 | return 0; |
896 | return 0; |
… | |
… | |
645 | { |
907 | { |
646 | off_t sbytes; |
908 | off_t sbytes; |
647 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
909 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
648 | |
910 | |
649 | if (res < 0 && sbytes) |
911 | if (res < 0 && sbytes) |
650 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
912 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
651 | res = sbytes; |
913 | res = sbytes; |
652 | } |
914 | } |
653 | |
915 | |
654 | # elif __hpux |
916 | # elif __hpux |
655 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
917 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
683 | #endif |
945 | #endif |
684 | ) |
946 | ) |
685 | ) |
947 | ) |
686 | { |
948 | { |
687 | /* emulate sendfile. this is a major pain in the ass */ |
949 | /* emulate sendfile. this is a major pain in the ass */ |
688 | char buf[4096]; |
950 | dBUF; |
|
|
951 | |
689 | res = 0; |
952 | res = 0; |
690 | |
953 | |
691 | while (count) |
954 | while (count) |
692 | { |
955 | { |
693 | ssize_t cnt; |
956 | ssize_t cnt; |
694 | |
957 | |
695 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
958 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
696 | |
959 | |
697 | if (cnt <= 0) |
960 | if (cnt <= 0) |
698 | { |
961 | { |
699 | if (cnt && !res) res = -1; |
962 | if (cnt && !res) res = -1; |
700 | break; |
963 | break; |
701 | } |
964 | } |
702 | |
965 | |
703 | cnt = write (ofd, buf, cnt); |
966 | cnt = write (ofd, aio_buf, cnt); |
704 | |
967 | |
705 | if (cnt <= 0) |
968 | if (cnt <= 0) |
706 | { |
969 | { |
707 | if (cnt && !res) res = -1; |
970 | if (cnt && !res) res = -1; |
708 | break; |
971 | break; |
… | |
… | |
716 | |
979 | |
717 | return res; |
980 | return res; |
718 | } |
981 | } |
719 | |
982 | |
720 | /* read a full directory */ |
983 | /* read a full directory */ |
721 | static int scandir_ (const char *path, void **namesp) |
984 | static void scandir_ (aio_req req, worker *self) |
722 | { |
985 | { |
723 | DIR *dirp = opendir (path); |
986 | DIR *dirp; |
724 | union |
987 | union |
725 | { |
988 | { |
726 | struct dirent d; |
989 | struct dirent d; |
727 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
990 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
728 | } u; |
991 | } *u; |
729 | struct dirent *entp; |
992 | struct dirent *entp; |
730 | char *name, *names; |
993 | char *name, *names; |
731 | int memlen = 4096; |
994 | int memlen = 4096; |
732 | int memofs = 0; |
995 | int memofs = 0; |
733 | int res = 0; |
996 | int res = 0; |
734 | int errorno; |
997 | int errorno; |
735 | |
998 | |
736 | if (!dirp) |
999 | LOCK (wrklock); |
737 | return -1; |
1000 | self->dirp = dirp = opendir (req->ptr1); |
738 | |
1001 | self->dbuf = u = malloc (sizeof (*u)); |
739 | names = malloc (memlen); |
1002 | req->ptr2 = names = malloc (memlen); |
|
|
1003 | UNLOCK (wrklock); |
|
|
1004 | |
|
|
1005 | if (dirp && u && names) |
|
|
1006 | for (;;) |
|
|
1007 | { |
|
|
1008 | errno = 0; |
|
|
1009 | readdir_r (dirp, &u->d, &entp); |
|
|
1010 | |
|
|
1011 | if (!entp) |
|
|
1012 | break; |
|
|
1013 | |
|
|
1014 | name = entp->d_name; |
|
|
1015 | |
|
|
1016 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1017 | { |
|
|
1018 | int len = strlen (name) + 1; |
|
|
1019 | |
|
|
1020 | res++; |
|
|
1021 | |
|
|
1022 | while (memofs + len > memlen) |
|
|
1023 | { |
|
|
1024 | memlen *= 2; |
|
|
1025 | LOCK (wrklock); |
|
|
1026 | req->ptr2 = names = realloc (names, memlen); |
|
|
1027 | UNLOCK (wrklock); |
|
|
1028 | |
|
|
1029 | if (!names) |
|
|
1030 | break; |
|
|
1031 | } |
|
|
1032 | |
|
|
1033 | memcpy (names + memofs, name, len); |
|
|
1034 | memofs += len; |
|
|
1035 | } |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | if (errno) |
|
|
1039 | res = -1; |
|
|
1040 | |
|
|
1041 | req->result = res; |
|
|
1042 | } |
|
|
1043 | |
|
|
1044 | /*****************************************************************************/ |
|
|
1045 | |
|
|
1046 | static void *aio_proc (void *thr_arg) |
|
|
1047 | { |
|
|
1048 | aio_req req; |
|
|
1049 | struct timespec ts; |
|
|
1050 | worker *self = (worker *)thr_arg; |
|
|
1051 | |
|
|
1052 | /* try to distribute timeouts somewhat evenly */ |
|
|
1053 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1054 | * (1000000000UL / 1024UL); |
740 | |
1055 | |
741 | for (;;) |
1056 | for (;;) |
742 | { |
1057 | { |
743 | errno = 0, readdir_r (dirp, &u.d, &entp); |
1058 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
744 | |
1059 | |
745 | if (!entp) |
1060 | LOCK (reqlock); |
746 | break; |
|
|
747 | |
|
|
748 | name = entp->d_name; |
|
|
749 | |
|
|
750 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
751 | { |
|
|
752 | int len = strlen (name) + 1; |
|
|
753 | |
|
|
754 | res++; |
|
|
755 | |
|
|
756 | while (memofs + len > memlen) |
|
|
757 | { |
|
|
758 | memlen *= 2; |
|
|
759 | names = realloc (names, memlen); |
|
|
760 | if (!names) |
|
|
761 | break; |
|
|
762 | } |
|
|
763 | |
|
|
764 | memcpy (names + memofs, name, len); |
|
|
765 | memofs += len; |
|
|
766 | } |
|
|
767 | } |
|
|
768 | |
|
|
769 | errorno = errno; |
|
|
770 | closedir (dirp); |
|
|
771 | |
|
|
772 | if (errorno) |
|
|
773 | { |
|
|
774 | free (names); |
|
|
775 | errno = errorno; |
|
|
776 | res = -1; |
|
|
777 | } |
|
|
778 | |
|
|
779 | *namesp = (void *)names; |
|
|
780 | return res; |
|
|
781 | } |
|
|
782 | |
|
|
783 | /*****************************************************************************/ |
|
|
784 | |
|
|
785 | static void *aio_proc (void *thr_arg) |
|
|
786 | { |
|
|
787 | aio_req req; |
|
|
788 | int type; |
|
|
789 | |
|
|
790 | do |
|
|
791 | { |
|
|
792 | pthread_mutex_lock (&reqlock); |
|
|
793 | |
1061 | |
794 | for (;;) |
1062 | for (;;) |
795 | { |
1063 | { |
796 | req = reqs; |
1064 | self->req = req = reqq_shift (&req_queue); |
797 | |
|
|
798 | if (reqs) |
|
|
799 | { |
|
|
800 | reqs = reqs->next; |
|
|
801 | if (!reqs) reqe = 0; |
|
|
802 | } |
|
|
803 | |
1065 | |
804 | if (req) |
1066 | if (req) |
805 | break; |
1067 | break; |
806 | |
1068 | |
|
|
1069 | ++idle; |
|
|
1070 | |
|
|
1071 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1072 | == ETIMEDOUT) |
|
|
1073 | { |
|
|
1074 | if (idle > max_idle) |
|
|
1075 | { |
|
|
1076 | --idle; |
|
|
1077 | UNLOCK (reqlock); |
|
|
1078 | LOCK (wrklock); |
|
|
1079 | --started; |
|
|
1080 | UNLOCK (wrklock); |
|
|
1081 | goto quit; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* we are allowed to idle, so do so without any timeout */ |
807 | pthread_cond_wait (&reqwait, &reqlock); |
1085 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1086 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | --idle; |
808 | } |
1090 | } |
809 | |
1091 | |
810 | pthread_mutex_unlock (&reqlock); |
1092 | --nready; |
|
|
1093 | |
|
|
1094 | UNLOCK (reqlock); |
811 | |
1095 | |
812 | errno = 0; /* strictly unnecessary */ |
1096 | errno = 0; /* strictly unnecessary */ |
813 | type = req->type; /* remember type for QUIT check */ |
|
|
814 | |
1097 | |
815 | if (!(req->flags & FLAG_CANCELLED)) |
1098 | if (!(req->flags & FLAG_CANCELLED)) |
816 | switch (type) |
1099 | switch (req->type) |
817 | { |
1100 | { |
818 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1101 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
819 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1102 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
820 | |
1103 | |
821 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1104 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
822 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
1105 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
823 | |
1106 | |
824 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1107 | case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break; |
825 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1108 | case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break; |
826 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1109 | case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break; |
827 | |
1110 | |
828 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1111 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
829 | case REQ_CLOSE: req->result = close (req->fd); break; |
1112 | case REQ_CLOSE: req->result = close (req->int1); break; |
830 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1113 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
831 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1114 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
832 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1115 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
833 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1116 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
834 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1117 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1118 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1119 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
835 | |
1120 | |
836 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1121 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
837 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1122 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
838 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
1123 | case REQ_READDIR: scandir_ (req, self); break; |
839 | |
1124 | |
840 | case REQ_SLEEP: |
1125 | case REQ_BUSY: |
841 | { |
1126 | { |
842 | struct timeval tv; |
1127 | struct timeval tv; |
843 | |
1128 | |
844 | tv.tv_sec = req->fd; |
1129 | tv.tv_sec = req->int1; |
845 | tv.tv_usec = req->fd2; |
1130 | tv.tv_usec = req->int2; |
846 | |
1131 | |
847 | req->result = select (0, 0, 0, 0, &tv); |
1132 | req->result = select (0, 0, 0, 0, &tv); |
848 | } |
1133 | } |
849 | |
1134 | |
850 | case REQ_GROUP: |
1135 | case REQ_GROUP: |
851 | case REQ_NOP: |
1136 | case REQ_NOP: |
|
|
1137 | break; |
|
|
1138 | |
852 | case REQ_QUIT: |
1139 | case REQ_QUIT: |
853 | break; |
1140 | goto quit; |
854 | |
1141 | |
855 | default: |
1142 | default: |
856 | req->result = ENOSYS; |
1143 | req->result = ENOSYS; |
857 | break; |
1144 | break; |
858 | } |
1145 | } |
859 | |
1146 | |
860 | req->errorno = errno; |
1147 | req->errorno = errno; |
861 | |
1148 | |
862 | pthread_mutex_lock (&reslock); |
1149 | LOCK (reslock); |
863 | |
1150 | |
864 | req->next = 0; |
1151 | ++npending; |
865 | |
1152 | |
866 | if (rese) |
1153 | if (!reqq_push (&res_queue, req)) |
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 */ |
1154 | /* write a dummy byte to the pipe so fh becomes ready */ |
876 | write (respipe [1], &respipe, 1); |
1155 | write (respipe [1], &respipe, 1); |
877 | } |
|
|
878 | |
1156 | |
879 | pthread_mutex_unlock (&reslock); |
1157 | self->req = 0; |
|
|
1158 | worker_clear (self); |
|
|
1159 | |
|
|
1160 | UNLOCK (reslock); |
880 | } |
1161 | } |
881 | while (type != REQ_QUIT); |
1162 | |
|
|
1163 | quit: |
|
|
1164 | LOCK (wrklock); |
|
|
1165 | worker_free (self); |
|
|
1166 | UNLOCK (wrklock); |
882 | |
1167 | |
883 | return 0; |
1168 | return 0; |
884 | } |
1169 | } |
885 | |
1170 | |
886 | /*****************************************************************************/ |
1171 | /*****************************************************************************/ |
887 | |
1172 | |
888 | static void atfork_prepare (void) |
1173 | static void atfork_prepare (void) |
889 | { |
1174 | { |
890 | pthread_mutex_lock (&reqlock); |
1175 | LOCK (wrklock); |
891 | pthread_mutex_lock (&reslock); |
1176 | LOCK (reqlock); |
|
|
1177 | LOCK (reslock); |
892 | #if !HAVE_PREADWRITE |
1178 | #if !HAVE_PREADWRITE |
893 | pthread_mutex_lock (&preadwritelock); |
1179 | LOCK (preadwritelock); |
894 | #endif |
1180 | #endif |
895 | #if !HAVE_READDIR_R |
1181 | #if !HAVE_READDIR_R |
896 | pthread_mutex_lock (&readdirlock); |
1182 | LOCK (readdirlock); |
897 | #endif |
1183 | #endif |
898 | } |
1184 | } |
899 | |
1185 | |
900 | static void atfork_parent (void) |
1186 | static void atfork_parent (void) |
901 | { |
1187 | { |
902 | #if !HAVE_READDIR_R |
1188 | #if !HAVE_READDIR_R |
903 | pthread_mutex_unlock (&readdirlock); |
1189 | UNLOCK (readdirlock); |
904 | #endif |
1190 | #endif |
905 | #if !HAVE_PREADWRITE |
1191 | #if !HAVE_PREADWRITE |
906 | pthread_mutex_unlock (&preadwritelock); |
1192 | UNLOCK (preadwritelock); |
907 | #endif |
1193 | #endif |
908 | pthread_mutex_unlock (&reslock); |
1194 | UNLOCK (reslock); |
909 | pthread_mutex_unlock (&reqlock); |
1195 | UNLOCK (reqlock); |
|
|
1196 | UNLOCK (wrklock); |
910 | } |
1197 | } |
911 | |
1198 | |
912 | static void atfork_child (void) |
1199 | static void atfork_child (void) |
913 | { |
1200 | { |
914 | aio_req prv; |
1201 | aio_req prv; |
915 | |
1202 | |
|
|
1203 | while (prv = reqq_shift (&req_queue)) |
|
|
1204 | req_free (prv); |
|
|
1205 | |
|
|
1206 | while (prv = reqq_shift (&res_queue)) |
|
|
1207 | req_free (prv); |
|
|
1208 | |
|
|
1209 | while (wrk_first.next != &wrk_first) |
|
|
1210 | { |
|
|
1211 | worker *wrk = wrk_first.next; |
|
|
1212 | |
|
|
1213 | if (wrk->req) |
|
|
1214 | req_free (wrk->req); |
|
|
1215 | |
|
|
1216 | worker_clear (wrk); |
|
|
1217 | worker_free (wrk); |
|
|
1218 | } |
|
|
1219 | |
916 | started = 0; |
1220 | started = 0; |
917 | |
1221 | idle = 0; |
918 | while (reqs) |
1222 | nreqs = 0; |
919 | { |
1223 | nready = 0; |
920 | prv = reqs; |
1224 | npending = 0; |
921 | reqs = prv->next; |
|
|
922 | req_free (prv); |
|
|
923 | } |
|
|
924 | |
|
|
925 | reqs = reqe = 0; |
|
|
926 | |
|
|
927 | while (ress) |
|
|
928 | { |
|
|
929 | prv = ress; |
|
|
930 | ress = prv->next; |
|
|
931 | req_free (prv); |
|
|
932 | } |
|
|
933 | |
|
|
934 | ress = rese = 0; |
|
|
935 | |
1225 | |
936 | close (respipe [0]); |
1226 | close (respipe [0]); |
937 | close (respipe [1]); |
1227 | close (respipe [1]); |
938 | create_pipe (); |
1228 | create_pipe (); |
939 | |
1229 | |
… | |
… | |
966 | PROTOTYPES: ENABLE |
1256 | PROTOTYPES: ENABLE |
967 | |
1257 | |
968 | BOOT: |
1258 | BOOT: |
969 | { |
1259 | { |
970 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1260 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1261 | |
971 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1262 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
972 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1263 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
973 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1264 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1265 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1266 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1267 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
974 | |
1268 | |
975 | create_pipe (); |
1269 | create_pipe (); |
976 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1270 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
977 | } |
1271 | } |
978 | |
1272 | |
979 | void |
1273 | void |
980 | min_parallel (nthreads) |
1274 | max_poll_reqs (int nreqs) |
981 | int nthreads |
|
|
982 | PROTOTYPE: $ |
1275 | PROTOTYPE: $ |
|
|
1276 | CODE: |
|
|
1277 | max_poll_reqs = nreqs; |
983 | |
1278 | |
984 | void |
1279 | void |
985 | max_parallel (nthreads) |
1280 | max_poll_time (double nseconds) |
986 | int nthreads |
|
|
987 | PROTOTYPE: $ |
1281 | PROTOTYPE: $ |
|
|
1282 | CODE: |
|
|
1283 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1284 | |
|
|
1285 | void |
|
|
1286 | min_parallel (int nthreads) |
|
|
1287 | PROTOTYPE: $ |
|
|
1288 | |
|
|
1289 | void |
|
|
1290 | max_parallel (int nthreads) |
|
|
1291 | PROTOTYPE: $ |
|
|
1292 | |
|
|
1293 | void |
|
|
1294 | max_idle (int nthreads) |
|
|
1295 | PROTOTYPE: $ |
|
|
1296 | CODE: |
|
|
1297 | set_max_idle (nthreads); |
988 | |
1298 | |
989 | int |
1299 | int |
990 | max_outstanding (nreqs) |
1300 | max_outstanding (int maxreqs) |
991 | int nreqs |
1301 | PROTOTYPE: $ |
992 | PROTOTYPE: $ |
|
|
993 | CODE: |
1302 | CODE: |
994 | RETVAL = max_outstanding; |
1303 | RETVAL = max_outstanding; |
995 | max_outstanding = nreqs; |
1304 | max_outstanding = maxreqs; |
|
|
1305 | OUTPUT: |
|
|
1306 | RETVAL |
996 | |
1307 | |
997 | void |
1308 | void |
998 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1309 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
999 | SV * pathname |
1310 | SV * pathname |
1000 | int flags |
1311 | int flags |
… | |
… | |
1004 | PPCODE: |
1315 | PPCODE: |
1005 | { |
1316 | { |
1006 | dREQ; |
1317 | dREQ; |
1007 | |
1318 | |
1008 | req->type = REQ_OPEN; |
1319 | req->type = REQ_OPEN; |
1009 | req->data = newSVsv (pathname); |
1320 | req->sv1 = newSVsv (pathname); |
1010 | req->dataptr = SvPVbyte_nolen (req->data); |
1321 | req->ptr1 = SvPVbyte_nolen (pathname); |
1011 | req->fd = flags; |
1322 | req->int1 = flags; |
1012 | req->mode = mode; |
1323 | req->mode = mode; |
1013 | |
1324 | |
1014 | REQ_SEND; |
1325 | REQ_SEND; |
1015 | } |
1326 | } |
1016 | |
1327 | |
… | |
… | |
1026 | PPCODE: |
1337 | PPCODE: |
1027 | { |
1338 | { |
1028 | dREQ; |
1339 | dREQ; |
1029 | |
1340 | |
1030 | req->type = ix; |
1341 | req->type = ix; |
1031 | req->fh = newSVsv (fh); |
1342 | req->fh = newSVsv (fh); |
1032 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1343 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1033 | |
1344 | |
1034 | REQ_SEND (req); |
1345 | REQ_SEND (req); |
1035 | } |
1346 | } |
1036 | |
1347 | |
1037 | void |
1348 | void |
… | |
… | |
1046 | aio_read = REQ_READ |
1357 | aio_read = REQ_READ |
1047 | aio_write = REQ_WRITE |
1358 | aio_write = REQ_WRITE |
1048 | PROTOTYPE: $$$$$;$ |
1359 | PROTOTYPE: $$$$$;$ |
1049 | PPCODE: |
1360 | PPCODE: |
1050 | { |
1361 | { |
1051 | aio_req req; |
|
|
1052 | STRLEN svlen; |
1362 | STRLEN svlen; |
1053 | char *svptr = SvPVbyte (data, svlen); |
1363 | char *svptr = SvPVbyte (data, svlen); |
1054 | |
1364 | |
1055 | SvUPGRADE (data, SVt_PV); |
1365 | SvUPGRADE (data, SVt_PV); |
1056 | SvPOK_on (data); |
1366 | SvPOK_on (data); |
… | |
… | |
1078 | |
1388 | |
1079 | { |
1389 | { |
1080 | dREQ; |
1390 | dREQ; |
1081 | |
1391 | |
1082 | req->type = ix; |
1392 | req->type = ix; |
1083 | req->fh = newSVsv (fh); |
1393 | req->fh = newSVsv (fh); |
1084 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1394 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1085 | : IoOFP (sv_2io (fh))); |
1395 | : IoOFP (sv_2io (fh))); |
1086 | req->offset = offset; |
1396 | req->offs = offset; |
1087 | req->length = length; |
1397 | req->size = length; |
1088 | req->data = SvREFCNT_inc (data); |
1398 | req->sv1 = SvREFCNT_inc (data); |
1089 | req->dataptr = (char *)svptr + dataoffset; |
1399 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1400 | req->stroffset = dataoffset; |
1090 | |
1401 | |
1091 | if (!SvREADONLY (data)) |
1402 | if (!SvREADONLY (data)) |
1092 | { |
1403 | { |
1093 | SvREADONLY_on (data); |
1404 | SvREADONLY_on (data); |
1094 | req->data2ptr = (void *)data; |
1405 | req->flags |= FLAG_DATA_RO_OFF; |
1095 | } |
1406 | } |
1096 | |
1407 | |
1097 | REQ_SEND; |
1408 | REQ_SEND; |
1098 | } |
1409 | } |
|
|
1410 | } |
|
|
1411 | |
|
|
1412 | void |
|
|
1413 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1414 | SV * path |
|
|
1415 | SV * callback |
|
|
1416 | PROTOTYPE: $$;$ |
|
|
1417 | PPCODE: |
|
|
1418 | { |
|
|
1419 | SV *data; |
|
|
1420 | dREQ; |
|
|
1421 | |
|
|
1422 | data = newSV (NAME_MAX); |
|
|
1423 | SvPOK_on (data); |
|
|
1424 | |
|
|
1425 | req->type = REQ_READLINK; |
|
|
1426 | req->fh = newSVsv (path); |
|
|
1427 | req->ptr2 = SvPVbyte_nolen (path); |
|
|
1428 | req->sv1 = data; |
|
|
1429 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
1099 | } |
1432 | } |
1100 | |
1433 | |
1101 | void |
1434 | void |
1102 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1435 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1103 | SV * out_fh |
1436 | SV * out_fh |
… | |
… | |
1109 | PPCODE: |
1442 | PPCODE: |
1110 | { |
1443 | { |
1111 | dREQ; |
1444 | dREQ; |
1112 | |
1445 | |
1113 | req->type = REQ_SENDFILE; |
1446 | req->type = REQ_SENDFILE; |
1114 | req->fh = newSVsv (out_fh); |
1447 | req->fh = newSVsv (out_fh); |
1115 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1448 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1116 | req->fh2 = newSVsv (in_fh); |
1449 | req->sv2 = newSVsv (in_fh); |
1117 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1450 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1118 | req->offset = in_offset; |
1451 | req->offs = in_offset; |
1119 | req->length = length; |
1452 | req->size = length; |
1120 | |
1453 | |
1121 | REQ_SEND; |
1454 | REQ_SEND; |
1122 | } |
1455 | } |
1123 | |
1456 | |
1124 | void |
1457 | void |
… | |
… | |
1131 | PPCODE: |
1464 | PPCODE: |
1132 | { |
1465 | { |
1133 | dREQ; |
1466 | dREQ; |
1134 | |
1467 | |
1135 | req->type = REQ_READAHEAD; |
1468 | req->type = REQ_READAHEAD; |
1136 | req->fh = newSVsv (fh); |
1469 | req->fh = newSVsv (fh); |
1137 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1470 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1138 | req->offset = offset; |
1471 | req->offs = offset; |
1139 | req->length = length; |
1472 | req->size = length; |
1140 | |
1473 | |
1141 | REQ_SEND; |
1474 | REQ_SEND; |
1142 | } |
1475 | } |
1143 | |
1476 | |
1144 | void |
1477 | void |
… | |
… | |
1160 | } |
1493 | } |
1161 | |
1494 | |
1162 | if (SvPOK (fh_or_path)) |
1495 | if (SvPOK (fh_or_path)) |
1163 | { |
1496 | { |
1164 | req->type = ix; |
1497 | req->type = ix; |
1165 | req->data = newSVsv (fh_or_path); |
1498 | req->sv1 = newSVsv (fh_or_path); |
1166 | req->dataptr = SvPVbyte_nolen (req->data); |
1499 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1167 | } |
1500 | } |
1168 | else |
1501 | else |
1169 | { |
1502 | { |
1170 | req->type = REQ_FSTAT; |
1503 | req->type = REQ_FSTAT; |
1171 | req->fh = newSVsv (fh_or_path); |
1504 | req->fh = newSVsv (fh_or_path); |
1172 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1505 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1173 | } |
1506 | } |
1174 | |
1507 | |
1175 | REQ_SEND; |
1508 | REQ_SEND; |
1176 | } |
1509 | } |
1177 | |
1510 | |
1178 | void |
1511 | void |
1179 | aio_unlink (pathname,callback=&PL_sv_undef) |
1512 | aio_unlink (pathname,callback=&PL_sv_undef) |
1180 | SV * pathname |
1513 | SV * pathname |
1181 | SV * callback |
1514 | SV * callback |
1182 | ALIAS: |
1515 | ALIAS: |
1183 | aio_unlink = REQ_UNLINK |
1516 | aio_unlink = REQ_UNLINK |
1184 | aio_rmdir = REQ_RMDIR |
1517 | aio_rmdir = REQ_RMDIR |
1185 | aio_readdir = REQ_READDIR |
1518 | aio_readdir = REQ_READDIR |
1186 | PPCODE: |
1519 | PPCODE: |
1187 | { |
1520 | { |
1188 | dREQ; |
1521 | dREQ; |
1189 | |
1522 | |
1190 | req->type = ix; |
1523 | req->type = ix; |
1191 | req->data = newSVsv (pathname); |
1524 | req->sv1 = newSVsv (pathname); |
1192 | req->dataptr = SvPVbyte_nolen (req->data); |
1525 | req->ptr1 = SvPVbyte_nolen (pathname); |
1193 | |
1526 | |
1194 | REQ_SEND; |
1527 | REQ_SEND; |
1195 | } |
1528 | } |
1196 | |
1529 | |
1197 | void |
1530 | void |
1198 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1531 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1199 | SV * oldpath |
1532 | SV * oldpath |
1200 | SV * newpath |
1533 | SV * newpath |
1201 | SV * callback |
1534 | SV * callback |
1202 | ALIAS: |
1535 | ALIAS: |
1203 | aio_link = REQ_LINK |
1536 | aio_link = REQ_LINK |
1204 | aio_symlink = REQ_SYMLINK |
1537 | aio_symlink = REQ_SYMLINK |
1205 | aio_rename = REQ_RENAME |
1538 | aio_rename = REQ_RENAME |
1206 | PPCODE: |
1539 | PPCODE: |
1207 | { |
1540 | { |
1208 | dREQ; |
1541 | dREQ; |
1209 | |
1542 | |
1210 | req->type = ix; |
1543 | req->type = ix; |
1211 | req->fh = newSVsv (oldpath); |
1544 | req->fh = newSVsv (oldpath); |
1212 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1545 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1213 | req->data = newSVsv (newpath); |
1546 | req->sv1 = newSVsv (newpath); |
1214 | req->dataptr = SvPVbyte_nolen (req->data); |
1547 | req->ptr1 = SvPVbyte_nolen (newpath); |
1215 | |
1548 | |
1216 | REQ_SEND; |
1549 | REQ_SEND; |
1217 | } |
1550 | } |
1218 | |
1551 | |
1219 | void |
1552 | void |
1220 | aio_sleep (delay,callback=&PL_sv_undef) |
1553 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1221 | double delay |
1554 | SV * pathname |
1222 | SV * callback |
1555 | SV * callback |
|
|
1556 | UV mode |
|
|
1557 | UV dev |
1223 | PPCODE: |
1558 | PPCODE: |
1224 | { |
1559 | { |
1225 | dREQ; |
1560 | dREQ; |
|
|
1561 | |
|
|
1562 | req->type = REQ_MKNOD; |
|
|
1563 | req->sv1 = newSVsv (pathname); |
|
|
1564 | req->ptr1 = SvPVbyte_nolen (pathname); |
|
|
1565 | req->mode = (mode_t)mode; |
|
|
1566 | req->offs = dev; |
|
|
1567 | |
|
|
1568 | REQ_SEND; |
|
|
1569 | } |
1226 | |
1570 | |
|
|
1571 | void |
|
|
1572 | aio_busy (delay,callback=&PL_sv_undef) |
|
|
1573 | double delay |
|
|
1574 | SV * callback |
|
|
1575 | PPCODE: |
|
|
1576 | { |
|
|
1577 | dREQ; |
|
|
1578 | |
1227 | req->type = REQ_SLEEP; |
1579 | req->type = REQ_BUSY; |
1228 | req->fd = delay < 0. ? 0 : delay; |
1580 | req->int1 = delay < 0. ? 0 : delay; |
1229 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1581 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1230 | |
1582 | |
1231 | REQ_SEND; |
1583 | REQ_SEND; |
1232 | } |
1584 | } |
1233 | |
1585 | |
1234 | void |
1586 | void |
… | |
… | |
1238 | PPCODE: |
1590 | PPCODE: |
1239 | { |
1591 | { |
1240 | dREQ; |
1592 | dREQ; |
1241 | |
1593 | |
1242 | req->type = REQ_GROUP; |
1594 | req->type = REQ_GROUP; |
|
|
1595 | |
1243 | req_send (req); |
1596 | req_send (req); |
1244 | |
|
|
1245 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1597 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1246 | } |
1598 | } |
1247 | |
1599 | |
1248 | void |
1600 | void |
1249 | aio_nop (callback=&PL_sv_undef) |
1601 | aio_nop (callback=&PL_sv_undef) |
1250 | SV * callback |
1602 | SV * callback |
1251 | PPCODE: |
1603 | PPCODE: |
1252 | { |
1604 | { |
1253 | dREQ; |
1605 | dREQ; |
1254 | |
1606 | |
1255 | req->type = REQ_NOP; |
1607 | req->type = REQ_NOP; |
1256 | |
1608 | |
1257 | REQ_SEND; |
1609 | REQ_SEND; |
1258 | } |
1610 | } |
1259 | |
1611 | |
1260 | #if 0 |
1612 | int |
1261 | |
1613 | aioreq_pri (int pri = 0) |
1262 | void |
1614 | PROTOTYPE: ;$ |
1263 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1264 | CODE: |
1615 | CODE: |
|
|
1616 | RETVAL = next_pri - PRI_BIAS; |
|
|
1617 | if (items > 0) |
|
|
1618 | { |
1265 | if (pri > PRI_MIN) pri = PRI_MIN; |
1619 | if (pri < PRI_MIN) pri = PRI_MIN; |
1266 | if (pri < PRI_MAX) pri = PRI_MAX; |
1620 | if (pri > PRI_MAX) pri = PRI_MAX; |
1267 | next_pri = pri + PRI_BIAS; |
1621 | next_pri = pri + PRI_BIAS; |
|
|
1622 | } |
|
|
1623 | OUTPUT: |
|
|
1624 | RETVAL |
1268 | |
1625 | |
1269 | #endif |
1626 | void |
|
|
1627 | aioreq_nice (int nice = 0) |
|
|
1628 | CODE: |
|
|
1629 | nice = next_pri - nice; |
|
|
1630 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1631 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1632 | next_pri = nice + PRI_BIAS; |
1270 | |
1633 | |
1271 | void |
1634 | void |
1272 | flush () |
1635 | flush () |
1273 | PROTOTYPE: |
1636 | PROTOTYPE: |
1274 | CODE: |
1637 | CODE: |
1275 | while (nreqs) |
1638 | while (nreqs) |
1276 | { |
1639 | { |
1277 | poll_wait (); |
1640 | poll_wait (); |
1278 | poll_cb (); |
1641 | poll_cb (0); |
1279 | } |
1642 | } |
1280 | |
1643 | |
1281 | void |
1644 | void |
1282 | poll() |
1645 | poll() |
1283 | PROTOTYPE: |
1646 | PROTOTYPE: |
1284 | CODE: |
1647 | CODE: |
1285 | if (nreqs) |
1648 | if (nreqs) |
1286 | { |
1649 | { |
1287 | poll_wait (); |
1650 | poll_wait (); |
1288 | poll_cb (); |
1651 | poll_cb (0); |
1289 | } |
1652 | } |
1290 | |
1653 | |
1291 | int |
1654 | int |
1292 | poll_fileno() |
1655 | poll_fileno() |
1293 | PROTOTYPE: |
1656 | PROTOTYPE: |
… | |
… | |
1317 | CODE: |
1680 | CODE: |
1318 | RETVAL = nreqs; |
1681 | RETVAL = nreqs; |
1319 | OUTPUT: |
1682 | OUTPUT: |
1320 | RETVAL |
1683 | RETVAL |
1321 | |
1684 | |
|
|
1685 | int |
|
|
1686 | nready() |
|
|
1687 | PROTOTYPE: |
|
|
1688 | CODE: |
|
|
1689 | RETVAL = get_nready (); |
|
|
1690 | OUTPUT: |
|
|
1691 | RETVAL |
|
|
1692 | |
|
|
1693 | int |
|
|
1694 | npending() |
|
|
1695 | PROTOTYPE: |
|
|
1696 | CODE: |
|
|
1697 | RETVAL = get_npending (); |
|
|
1698 | OUTPUT: |
|
|
1699 | RETVAL |
|
|
1700 | |
|
|
1701 | int |
|
|
1702 | nthreads() |
|
|
1703 | PROTOTYPE: |
|
|
1704 | CODE: |
|
|
1705 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1706 | RETVAL = started; |
|
|
1707 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1708 | OUTPUT: |
|
|
1709 | RETVAL |
|
|
1710 | |
1322 | PROTOTYPES: DISABLE |
1711 | PROTOTYPES: DISABLE |
1323 | |
1712 | |
1324 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1713 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1325 | |
1714 | |
1326 | void |
1715 | void |
1327 | cancel (aio_req_ornot req) |
1716 | cancel (aio_req_ornot req) |
1328 | PROTOTYPE: |
|
|
1329 | CODE: |
1717 | CODE: |
1330 | req_cancel (req); |
1718 | req_cancel (req); |
1331 | |
1719 | |
1332 | void |
1720 | void |
1333 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1721 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
… | |
… | |
1342 | PPCODE: |
1730 | PPCODE: |
1343 | { |
1731 | { |
1344 | int i; |
1732 | int i; |
1345 | aio_req req; |
1733 | aio_req req; |
1346 | |
1734 | |
1347 | if (grp->fd == 2) |
1735 | if (grp->int1 == 2) |
1348 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1736 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1349 | |
1737 | |
1350 | for (i = 1; i < items; ++i ) |
1738 | for (i = 1; i < items; ++i ) |
1351 | { |
1739 | { |
1352 | if (GIMME_V != G_VOID) |
1740 | if (GIMME_V != G_VOID) |
… | |
… | |
1354 | |
1742 | |
1355 | req = SvAIO_REQ (ST (i)); |
1743 | req = SvAIO_REQ (ST (i)); |
1356 | |
1744 | |
1357 | if (req) |
1745 | if (req) |
1358 | { |
1746 | { |
1359 | ++grp->length; |
1747 | ++grp->size; |
1360 | req->grp = grp; |
1748 | req->grp = grp; |
1361 | |
1749 | |
1362 | req->grp_prev = 0; |
1750 | req->grp_prev = 0; |
1363 | req->grp_next = grp->grp_first; |
1751 | req->grp_next = grp->grp_first; |
1364 | |
1752 | |
… | |
… | |
1369 | } |
1757 | } |
1370 | } |
1758 | } |
1371 | } |
1759 | } |
1372 | |
1760 | |
1373 | void |
1761 | void |
|
|
1762 | cancel_subs (aio_req_ornot req) |
|
|
1763 | CODE: |
|
|
1764 | req_cancel_subs (req); |
|
|
1765 | |
|
|
1766 | void |
1374 | result (aio_req grp, ...) |
1767 | result (aio_req grp, ...) |
1375 | CODE: |
1768 | CODE: |
1376 | { |
1769 | { |
1377 | int i; |
1770 | int i; |
|
|
1771 | AV *av; |
|
|
1772 | |
|
|
1773 | grp->errorno = errno; |
|
|
1774 | |
1378 | AV *av = newAV (); |
1775 | av = newAV (); |
1379 | |
1776 | |
1380 | for (i = 1; i < items; ++i ) |
1777 | for (i = 1; i < items; ++i ) |
1381 | av_push (av, newSVsv (ST (i))); |
1778 | av_push (av, newSVsv (ST (i))); |
1382 | |
1779 | |
1383 | SvREFCNT_dec (grp->data); |
1780 | SvREFCNT_dec (grp->sv1); |
1384 | grp->data = (SV *)av; |
1781 | grp->sv1 = (SV *)av; |
1385 | } |
1782 | } |
1386 | |
1783 | |
1387 | void |
1784 | void |
|
|
1785 | errno (aio_req grp, int errorno = errno) |
|
|
1786 | CODE: |
|
|
1787 | grp->errorno = errorno; |
|
|
1788 | |
|
|
1789 | void |
1388 | feed_limit (aio_req grp, int limit) |
1790 | limit (aio_req grp, int limit) |
1389 | CODE: |
1791 | CODE: |
1390 | grp->fd2 = limit; |
1792 | grp->int2 = limit; |
1391 | aio_grp_feed (grp); |
1793 | aio_grp_feed (grp); |
1392 | |
1794 | |
1393 | void |
1795 | void |
1394 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1796 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1395 | CODE: |
1797 | CODE: |
1396 | { |
1798 | { |
1397 | SvREFCNT_dec (grp->fh2); |
1799 | SvREFCNT_dec (grp->sv2); |
1398 | grp->fh2 = newSVsv (callback); |
1800 | grp->sv2 = newSVsv (callback); |
1399 | |
1801 | |
1400 | if (grp->fd2 <= 0) |
1802 | if (grp->int2 <= 0) |
1401 | grp->fd2 = 2; |
1803 | grp->int2 = 2; |
1402 | |
1804 | |
1403 | aio_grp_feed (grp); |
1805 | aio_grp_feed (grp); |
1404 | } |
1806 | } |
1405 | |
1807 | |