… | |
… | |
17 | #include "autoconf/config.h" |
17 | #include "autoconf/config.h" |
18 | |
18 | |
19 | #include <pthread.h> |
19 | #include <pthread.h> |
20 | |
20 | |
21 | #include <stddef.h> |
21 | #include <stddef.h> |
|
|
22 | #include <stdlib.h> |
22 | #include <errno.h> |
23 | #include <errno.h> |
23 | #include <sys/time.h> |
24 | #include <sys/time.h> |
24 | #include <sys/select.h> |
25 | #include <sys/select.h> |
25 | #include <sys/types.h> |
26 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
27 | #include <sys/stat.h> |
… | |
… | |
43 | # else |
44 | # else |
44 | # error sendfile support requested but not available |
45 | # error sendfile support requested but not available |
45 | # endif |
46 | # endif |
46 | #endif |
47 | #endif |
47 | |
48 | |
|
|
49 | /* number of seconds after which idle threads exit */ |
|
|
50 | #define IDLE_TIMEOUT 10 |
|
|
51 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
52 | /* used for struct dirent, AIX doesn't provide it */ |
49 | #ifndef NAME_MAX |
53 | #ifndef NAME_MAX |
50 | # define NAME_MAX 4096 |
54 | # define NAME_MAX 4096 |
51 | #endif |
55 | #endif |
52 | |
56 | |
… | |
… | |
61 | # define STACKSIZE PTHREAD_STACK_MIN |
65 | # define STACKSIZE PTHREAD_STACK_MIN |
62 | #else |
66 | #else |
63 | # define STACKSIZE 16384 |
67 | # define STACKSIZE 16384 |
64 | #endif |
68 | #endif |
65 | |
69 | |
|
|
70 | /* wether word reads are potentially non-atomic. |
|
|
71 | * this is conservatice, likely most arches this runs |
|
|
72 | * on have atomic word read/writes. |
|
|
73 | */ |
|
|
74 | #ifndef WORDACCESS_UNSAFE |
|
|
75 | # if __i386 || __x86_64 |
|
|
76 | # define WORDACCESS_UNSAFE 0 |
|
|
77 | # else |
|
|
78 | # define WORDACCESS_UNSAFE 1 |
|
|
79 | # endif |
|
|
80 | #endif |
|
|
81 | |
66 | /* buffer size for various temporary buffers */ |
82 | /* buffer size for various temporary buffers */ |
67 | #define AIO_BUFSIZE 65536 |
83 | #define AIO_BUFSIZE 65536 |
68 | |
84 | |
69 | #define dBUF \ |
85 | #define dBUF \ |
70 | char *aio_buf; \ |
86 | char *aio_buf; \ |
… | |
… | |
72 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
73 | UNLOCK (wrklock); \ |
89 | UNLOCK (wrklock); \ |
74 | if (!aio_buf) \ |
90 | if (!aio_buf) \ |
75 | return -1; |
91 | return -1; |
76 | |
92 | |
|
|
93 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
94 | |
77 | enum { |
95 | enum { |
78 | REQ_QUIT, |
96 | REQ_QUIT, |
79 | REQ_OPEN, REQ_CLOSE, |
97 | REQ_OPEN, REQ_CLOSE, |
80 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
98 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
81 | REQ_SENDFILE, |
99 | REQ_SENDFILE, |
82 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
100 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
83 | REQ_FSYNC, REQ_FDATASYNC, |
101 | REQ_FSYNC, REQ_FDATASYNC, |
84 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
102 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
85 | REQ_READDIR, |
103 | REQ_MKNOD, REQ_READDIR, |
86 | REQ_LINK, REQ_SYMLINK, |
104 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
87 | REQ_GROUP, REQ_NOP, |
105 | REQ_GROUP, REQ_NOP, |
88 | REQ_BUSY, |
106 | REQ_BUSY, |
89 | }; |
107 | }; |
90 | |
108 | |
91 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
… | |
93 | |
111 | |
94 | typedef struct aio_cb |
112 | typedef struct aio_cb |
95 | { |
113 | { |
96 | struct aio_cb *volatile next; |
114 | struct aio_cb *volatile next; |
97 | |
115 | |
98 | SV *data, *callback; |
116 | SV *callback, *fh; |
99 | SV *fh, *fh2; |
117 | SV *sv1, *sv2; |
100 | void *dataptr, *data2ptr; |
118 | void *ptr1, *ptr2; |
101 | Stat_t *statdata; |
|
|
102 | off_t offset; |
119 | off_t offs; |
103 | size_t length; |
120 | size_t size; |
104 | ssize_t result; |
121 | ssize_t result; |
105 | |
122 | |
106 | STRLEN dataoffset; |
123 | STRLEN stroffset; |
107 | int type; |
124 | int type; |
108 | int fd, fd2; |
125 | int int1, int2; |
109 | int errorno; |
126 | int errorno; |
110 | mode_t mode; /* open */ |
127 | mode_t mode; /* open */ |
111 | |
128 | |
112 | unsigned char flags; |
129 | unsigned char flags; |
113 | unsigned char pri; |
130 | unsigned char pri; |
… | |
… | |
115 | SV *self; /* the perl counterpart of this request, if any */ |
132 | SV *self; /* the perl counterpart of this request, if any */ |
116 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
133 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
117 | } aio_cb; |
134 | } aio_cb; |
118 | |
135 | |
119 | enum { |
136 | enum { |
120 | FLAG_CANCELLED = 0x01, |
137 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
|
|
138 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
|
|
139 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
121 | }; |
140 | }; |
122 | |
141 | |
123 | typedef aio_cb *aio_req; |
142 | typedef aio_cb *aio_req; |
124 | typedef aio_cb *aio_req_ornot; |
143 | typedef aio_cb *aio_req_ornot; |
125 | |
144 | |
… | |
… | |
130 | DEFAULT_PRI = 0, |
149 | DEFAULT_PRI = 0, |
131 | PRI_BIAS = -PRI_MIN, |
150 | PRI_BIAS = -PRI_MIN, |
132 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
151 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
133 | }; |
152 | }; |
134 | |
153 | |
|
|
154 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
155 | |
|
|
156 | static unsigned int max_poll_time = 0; |
|
|
157 | static unsigned int max_poll_reqs = 0; |
|
|
158 | |
|
|
159 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
160 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
161 | { |
|
|
162 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
163 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
164 | } |
|
|
165 | |
|
|
166 | static pthread_t main_tid; |
|
|
167 | static int main_sig; |
|
|
168 | static int block_sig_level; |
|
|
169 | |
|
|
170 | void block_sig () |
|
|
171 | { |
|
|
172 | sigset_t ss; |
|
|
173 | |
|
|
174 | if (block_sig_level++) |
|
|
175 | return; |
|
|
176 | |
|
|
177 | if (!main_sig) |
|
|
178 | return; |
|
|
179 | |
|
|
180 | sigemptyset (&ss); |
|
|
181 | sigaddset (&ss, main_sig); |
|
|
182 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
|
|
183 | } |
|
|
184 | |
|
|
185 | void unblock_sig () |
|
|
186 | { |
|
|
187 | sigset_t ss; |
|
|
188 | |
|
|
189 | if (--block_sig_level) |
|
|
190 | return; |
|
|
191 | |
|
|
192 | if (!main_sig) |
|
|
193 | return; |
|
|
194 | |
|
|
195 | sigemptyset (&ss); |
|
|
196 | sigaddset (&ss, main_sig); |
|
|
197 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
|
|
198 | } |
|
|
199 | |
135 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
200 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
136 | |
201 | |
137 | static int started, wanted; |
202 | static unsigned int started, idle, wanted; |
138 | static volatile int nreqs; |
|
|
139 | static int respipe [2]; |
|
|
140 | |
203 | |
141 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
204 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
142 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
205 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
143 | #else |
206 | #else |
144 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
207 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
… | |
… | |
185 | wrk->prev->next = wrk->next; |
248 | wrk->prev->next = wrk->next; |
186 | |
249 | |
187 | free (wrk); |
250 | free (wrk); |
188 | } |
251 | } |
189 | |
252 | |
|
|
253 | static volatile unsigned int nreqs, nready, npending; |
|
|
254 | static volatile unsigned int max_idle = 4; |
|
|
255 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
256 | static int respipe [2]; |
|
|
257 | |
190 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
258 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
191 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
259 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
192 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
260 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
261 | |
|
|
262 | #if WORDACCESS_UNSAFE |
|
|
263 | |
|
|
264 | static unsigned int get_nready () |
|
|
265 | { |
|
|
266 | unsigned int retval; |
|
|
267 | |
|
|
268 | LOCK (reqlock); |
|
|
269 | retval = nready; |
|
|
270 | UNLOCK (reqlock); |
|
|
271 | |
|
|
272 | return retval; |
|
|
273 | } |
|
|
274 | |
|
|
275 | static unsigned int get_npending () |
|
|
276 | { |
|
|
277 | unsigned int retval; |
|
|
278 | |
|
|
279 | LOCK (reslock); |
|
|
280 | retval = npending; |
|
|
281 | UNLOCK (reslock); |
|
|
282 | |
|
|
283 | return retval; |
|
|
284 | } |
|
|
285 | |
|
|
286 | static unsigned int get_nthreads () |
|
|
287 | { |
|
|
288 | unsigned int retval; |
|
|
289 | |
|
|
290 | LOCK (wrklock); |
|
|
291 | retval = started; |
|
|
292 | UNLOCK (wrklock); |
|
|
293 | |
|
|
294 | return retval; |
|
|
295 | } |
|
|
296 | |
|
|
297 | #else |
|
|
298 | |
|
|
299 | # define get_nready() nready |
|
|
300 | # define get_npending() npending |
|
|
301 | # define get_nthreads() started |
|
|
302 | |
|
|
303 | #endif |
193 | |
304 | |
194 | /* |
305 | /* |
195 | * a somewhat faster data structure might be nice, but |
306 | * a somewhat faster data structure might be nice, but |
196 | * with 8 priorities this actually needs <20 insns |
307 | * with 8 priorities this actually needs <20 insns |
197 | * per shift, the most expensive operation. |
308 | * per shift, the most expensive operation. |
… | |
… | |
243 | } |
354 | } |
244 | |
355 | |
245 | abort (); |
356 | abort (); |
246 | } |
357 | } |
247 | |
358 | |
248 | static int poll_cb (int max); |
359 | static int poll_cb (); |
249 | static void req_invoke (aio_req req); |
360 | static int req_invoke (aio_req req); |
250 | static void req_free (aio_req req); |
361 | static void req_free (aio_req req); |
251 | static void req_cancel (aio_req req); |
362 | static void req_cancel (aio_req req); |
252 | |
363 | |
253 | /* must be called at most once */ |
364 | /* must be called at most once */ |
254 | static SV *req_sv (aio_req req, const char *klass) |
365 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
274 | return mg ? (aio_req)mg->mg_ptr : 0; |
385 | return mg ? (aio_req)mg->mg_ptr : 0; |
275 | } |
386 | } |
276 | |
387 | |
277 | static void aio_grp_feed (aio_req grp) |
388 | static void aio_grp_feed (aio_req grp) |
278 | { |
389 | { |
|
|
390 | block_sig (); |
|
|
391 | |
279 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
392 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
280 | { |
393 | { |
281 | int old_len = grp->length; |
394 | int old_len = grp->size; |
282 | |
395 | |
283 | if (grp->fh2 && SvOK (grp->fh2)) |
396 | if (grp->sv2 && SvOK (grp->sv2)) |
284 | { |
397 | { |
285 | dSP; |
398 | dSP; |
286 | |
399 | |
287 | ENTER; |
400 | ENTER; |
288 | SAVETMPS; |
401 | SAVETMPS; |
289 | PUSHMARK (SP); |
402 | PUSHMARK (SP); |
290 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
403 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
291 | PUTBACK; |
404 | PUTBACK; |
292 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
405 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
293 | SPAGAIN; |
406 | SPAGAIN; |
294 | FREETMPS; |
407 | FREETMPS; |
295 | LEAVE; |
408 | LEAVE; |
296 | } |
409 | } |
297 | |
410 | |
298 | /* stop if no progress has been made */ |
411 | /* stop if no progress has been made */ |
299 | if (old_len == grp->length) |
412 | if (old_len == grp->size) |
300 | { |
413 | { |
301 | SvREFCNT_dec (grp->fh2); |
414 | SvREFCNT_dec (grp->sv2); |
302 | grp->fh2 = 0; |
415 | grp->sv2 = 0; |
303 | break; |
416 | break; |
304 | } |
417 | } |
305 | } |
418 | } |
|
|
419 | |
|
|
420 | unblock_sig (); |
306 | } |
421 | } |
307 | |
422 | |
308 | static void aio_grp_dec (aio_req grp) |
423 | static void aio_grp_dec (aio_req grp) |
309 | { |
424 | { |
310 | --grp->length; |
425 | --grp->size; |
311 | |
426 | |
312 | /* call feeder, if applicable */ |
427 | /* call feeder, if applicable */ |
313 | aio_grp_feed (grp); |
428 | aio_grp_feed (grp); |
314 | |
429 | |
315 | /* finish, if done */ |
430 | /* finish, if done */ |
316 | if (!grp->length && grp->fd) |
431 | if (!grp->size && grp->int1) |
317 | { |
432 | { |
|
|
433 | block_sig (); |
|
|
434 | |
318 | req_invoke (grp); |
435 | if (!req_invoke (grp)) |
|
|
436 | { |
|
|
437 | req_free (grp); |
|
|
438 | unblock_sig (); |
|
|
439 | croak (0); |
|
|
440 | } |
|
|
441 | |
319 | req_free (grp); |
442 | req_free (grp); |
|
|
443 | unblock_sig (); |
320 | } |
444 | } |
321 | } |
445 | } |
322 | |
446 | |
323 | static void poll_wait () |
|
|
324 | { |
|
|
325 | fd_set rfd; |
|
|
326 | |
|
|
327 | while (nreqs) |
|
|
328 | { |
|
|
329 | int size; |
|
|
330 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
|
|
331 | LOCK (reslock); |
|
|
332 | #endif |
|
|
333 | size = res_queue.size; |
|
|
334 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
|
|
335 | UNLOCK (reslock); |
|
|
336 | #endif |
|
|
337 | |
|
|
338 | if (size) |
|
|
339 | return; |
|
|
340 | |
|
|
341 | FD_ZERO(&rfd); |
|
|
342 | FD_SET(respipe [0], &rfd); |
|
|
343 | |
|
|
344 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
345 | } |
|
|
346 | } |
|
|
347 | |
|
|
348 | static void req_invoke (aio_req req) |
447 | static int req_invoke (aio_req req) |
349 | { |
448 | { |
350 | dSP; |
449 | dSP; |
|
|
450 | |
|
|
451 | if (req->flags & FLAG_SV1_RO_OFF) |
|
|
452 | SvREADONLY_off (req->sv1); |
351 | |
453 | |
352 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
454 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
353 | { |
455 | { |
354 | errno = req->errorno; |
|
|
355 | |
|
|
356 | ENTER; |
456 | ENTER; |
357 | SAVETMPS; |
457 | SAVETMPS; |
358 | PUSHMARK (SP); |
458 | PUSHMARK (SP); |
359 | EXTEND (SP, 1); |
459 | EXTEND (SP, 1); |
360 | |
460 | |
… | |
… | |
365 | SV *rv = &PL_sv_undef; |
465 | SV *rv = &PL_sv_undef; |
366 | |
466 | |
367 | if (req->result >= 0) |
467 | if (req->result >= 0) |
368 | { |
468 | { |
369 | int i; |
469 | int i; |
370 | char *buf = req->data2ptr; |
470 | char *buf = req->ptr2; |
371 | AV *av = newAV (); |
471 | AV *av = newAV (); |
372 | |
472 | |
373 | av_extend (av, req->result - 1); |
473 | av_extend (av, req->result - 1); |
374 | |
474 | |
375 | for (i = 0; i < req->result; ++i) |
475 | for (i = 0; i < req->result; ++i) |
… | |
… | |
395 | PUSHs (sv_2mortal (newSViv (req->result))); |
495 | PUSHs (sv_2mortal (newSViv (req->result))); |
396 | PUTBACK; |
496 | PUTBACK; |
397 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
497 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
398 | SPAGAIN; |
498 | SPAGAIN; |
399 | |
499 | |
400 | fh = SvREFCNT_inc (POPs); |
500 | fh = POPs; |
401 | |
|
|
402 | PUSHMARK (SP); |
501 | PUSHMARK (SP); |
403 | XPUSHs (sv_2mortal (fh)); |
502 | XPUSHs (fh); |
404 | } |
503 | } |
405 | break; |
504 | break; |
406 | |
505 | |
407 | case REQ_GROUP: |
506 | case REQ_GROUP: |
408 | req->fd = 2; /* mark group as finished */ |
507 | req->int1 = 2; /* mark group as finished */ |
409 | |
508 | |
410 | if (req->data) |
509 | if (req->sv1) |
411 | { |
510 | { |
412 | int i; |
511 | int i; |
413 | AV *av = (AV *)req->data; |
512 | AV *av = (AV *)req->sv1; |
414 | |
513 | |
415 | EXTEND (SP, AvFILL (av) + 1); |
514 | EXTEND (SP, AvFILL (av) + 1); |
416 | for (i = 0; i <= AvFILL (av); ++i) |
515 | for (i = 0; i <= AvFILL (av); ++i) |
417 | PUSHs (*av_fetch (av, i, 0)); |
516 | PUSHs (*av_fetch (av, i, 0)); |
418 | } |
517 | } |
… | |
… | |
420 | |
519 | |
421 | case REQ_NOP: |
520 | case REQ_NOP: |
422 | case REQ_BUSY: |
521 | case REQ_BUSY: |
423 | break; |
522 | break; |
424 | |
523 | |
|
|
524 | case REQ_READLINK: |
|
|
525 | if (req->result > 0) |
|
|
526 | { |
|
|
527 | SvCUR_set (req->sv1, req->result); |
|
|
528 | *SvEND (req->sv1) = 0; |
|
|
529 | PUSHs (req->sv1); |
|
|
530 | } |
|
|
531 | break; |
|
|
532 | |
|
|
533 | case REQ_STAT: |
|
|
534 | case REQ_LSTAT: |
|
|
535 | case REQ_FSTAT: |
|
|
536 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
537 | PL_laststatval = req->result; |
|
|
538 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
539 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
540 | break; |
|
|
541 | |
|
|
542 | case REQ_READ: |
|
|
543 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
544 | *SvEND (req->sv1) = 0; |
|
|
545 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
546 | break; |
|
|
547 | |
425 | default: |
548 | default: |
426 | PUSHs (sv_2mortal (newSViv (req->result))); |
549 | PUSHs (sv_2mortal (newSViv (req->result))); |
427 | break; |
550 | break; |
428 | } |
551 | } |
429 | |
552 | |
|
|
553 | errno = req->errorno; |
430 | |
554 | |
431 | PUTBACK; |
555 | PUTBACK; |
432 | call_sv (req->callback, G_VOID | G_EVAL); |
556 | call_sv (req->callback, G_VOID | G_EVAL); |
433 | SPAGAIN; |
557 | SPAGAIN; |
434 | |
558 | |
… | |
… | |
448 | grp->grp_first = req->grp_next; |
572 | grp->grp_first = req->grp_next; |
449 | |
573 | |
450 | aio_grp_dec (grp); |
574 | aio_grp_dec (grp); |
451 | } |
575 | } |
452 | |
576 | |
453 | if (SvTRUE (ERRSV)) |
577 | return !SvTRUE (ERRSV); |
454 | { |
|
|
455 | req_free (req); |
|
|
456 | croak (0); |
|
|
457 | } |
|
|
458 | } |
578 | } |
459 | |
579 | |
460 | static void req_free (aio_req req) |
580 | static void req_free (aio_req req) |
461 | { |
581 | { |
462 | if (req->self) |
582 | if (req->self) |
463 | { |
583 | { |
464 | sv_unmagic (req->self, PERL_MAGIC_ext); |
584 | sv_unmagic (req->self, PERL_MAGIC_ext); |
465 | SvREFCNT_dec (req->self); |
585 | SvREFCNT_dec (req->self); |
466 | } |
586 | } |
467 | |
587 | |
468 | SvREFCNT_dec (req->data); |
|
|
469 | SvREFCNT_dec (req->fh); |
588 | SvREFCNT_dec (req->fh); |
|
|
589 | SvREFCNT_dec (req->sv1); |
470 | SvREFCNT_dec (req->fh2); |
590 | SvREFCNT_dec (req->sv2); |
471 | SvREFCNT_dec (req->callback); |
591 | SvREFCNT_dec (req->callback); |
472 | Safefree (req->statdata); |
|
|
473 | |
592 | |
474 | if (req->type == REQ_READDIR) |
593 | if (req->flags & FLAG_PTR2_FREE) |
475 | free (req->data2ptr); |
594 | free (req->ptr2); |
476 | |
595 | |
477 | Safefree (req); |
596 | Safefree (req); |
478 | } |
597 | } |
479 | |
598 | |
480 | static void req_cancel_subs (aio_req grp) |
599 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
482 | aio_req sub; |
601 | aio_req sub; |
483 | |
602 | |
484 | if (grp->type != REQ_GROUP) |
603 | if (grp->type != REQ_GROUP) |
485 | return; |
604 | return; |
486 | |
605 | |
487 | SvREFCNT_dec (grp->fh2); |
606 | SvREFCNT_dec (grp->sv2); |
488 | grp->fh2 = 0; |
607 | grp->sv2 = 0; |
489 | |
608 | |
490 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
609 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
491 | req_cancel (sub); |
610 | req_cancel (sub); |
492 | } |
611 | } |
493 | |
612 | |
494 | static void req_cancel (aio_req req) |
613 | static void req_cancel (aio_req req) |
495 | { |
614 | { |
496 | req->flags |= FLAG_CANCELLED; |
615 | req->flags |= FLAG_CANCELLED; |
497 | |
616 | |
498 | req_cancel_subs (req); |
617 | req_cancel_subs (req); |
499 | } |
|
|
500 | |
|
|
501 | static int poll_cb (int max) |
|
|
502 | { |
|
|
503 | dSP; |
|
|
504 | int count = 0; |
|
|
505 | int do_croak = 0; |
|
|
506 | aio_req req; |
|
|
507 | |
|
|
508 | while (max <= 0 || count < max) |
|
|
509 | { |
|
|
510 | LOCK (reslock); |
|
|
511 | req = reqq_shift (&res_queue); |
|
|
512 | |
|
|
513 | if (req) |
|
|
514 | { |
|
|
515 | if (!res_queue.size) |
|
|
516 | { |
|
|
517 | /* read any signals sent by the worker threads */ |
|
|
518 | char buf [32]; |
|
|
519 | while (read (respipe [0], buf, 32) == 32) |
|
|
520 | ; |
|
|
521 | } |
|
|
522 | } |
|
|
523 | |
|
|
524 | UNLOCK (reslock); |
|
|
525 | |
|
|
526 | if (!req) |
|
|
527 | break; |
|
|
528 | |
|
|
529 | --nreqs; |
|
|
530 | |
|
|
531 | if (req->type == REQ_QUIT) |
|
|
532 | started--; |
|
|
533 | else if (req->type == REQ_GROUP && req->length) |
|
|
534 | { |
|
|
535 | req->fd = 1; /* mark request as delayed */ |
|
|
536 | continue; |
|
|
537 | } |
|
|
538 | else |
|
|
539 | { |
|
|
540 | if (req->type == REQ_READ) |
|
|
541 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
542 | |
|
|
543 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
544 | SvREADONLY_off (req->data); |
|
|
545 | |
|
|
546 | if (req->statdata) |
|
|
547 | { |
|
|
548 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
549 | PL_laststatval = req->result; |
|
|
550 | PL_statcache = *(req->statdata); |
|
|
551 | } |
|
|
552 | |
|
|
553 | req_invoke (req); |
|
|
554 | |
|
|
555 | count++; |
|
|
556 | } |
|
|
557 | |
|
|
558 | req_free (req); |
|
|
559 | } |
|
|
560 | |
|
|
561 | return count; |
|
|
562 | } |
618 | } |
563 | |
619 | |
564 | static void *aio_proc(void *arg); |
620 | static void *aio_proc(void *arg); |
565 | |
621 | |
566 | static void start_thread (void) |
622 | static void start_thread (void) |
… | |
… | |
574 | croak ("unable to allocate worker thread data"); |
630 | croak ("unable to allocate worker thread data"); |
575 | |
631 | |
576 | pthread_attr_init (&attr); |
632 | pthread_attr_init (&attr); |
577 | pthread_attr_setstacksize (&attr, STACKSIZE); |
633 | pthread_attr_setstacksize (&attr, STACKSIZE); |
578 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
634 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
635 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
636 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
637 | #endif |
579 | |
638 | |
580 | sigfillset (&fullsigset); |
639 | sigfillset (&fullsigset); |
581 | |
640 | |
582 | LOCK (wrklock); |
641 | LOCK (wrklock); |
583 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
642 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
584 | |
643 | |
585 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
644 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
586 | { |
645 | { |
587 | wrk->prev = &wrk_first; |
646 | wrk->prev = &wrk_first; |
588 | wrk->next = wrk_first.next; |
647 | wrk->next = wrk_first.next; |
589 | wrk_first.next->prev = wrk; |
648 | wrk_first.next->prev = wrk; |
590 | wrk_first.next = wrk; |
649 | wrk_first.next = wrk; |
591 | started++; |
650 | ++started; |
592 | } |
651 | } |
593 | else |
652 | else |
594 | free (wrk); |
653 | free (wrk); |
595 | |
654 | |
596 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
655 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
597 | UNLOCK (wrklock); |
656 | UNLOCK (wrklock); |
598 | } |
657 | } |
599 | |
658 | |
|
|
659 | static void maybe_start_thread () |
|
|
660 | { |
|
|
661 | if (get_nthreads () >= wanted) |
|
|
662 | return; |
|
|
663 | |
|
|
664 | /* todo: maybe use idle here, but might be less exact */ |
|
|
665 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
666 | return; |
|
|
667 | |
|
|
668 | start_thread (); |
|
|
669 | } |
|
|
670 | |
600 | static void req_send (aio_req req) |
671 | static void req_send (aio_req req) |
601 | { |
672 | { |
602 | while (started < wanted && nreqs >= started) |
673 | block_sig (); |
603 | start_thread (); |
|
|
604 | |
674 | |
605 | ++nreqs; |
675 | ++nreqs; |
|
|
676 | |
|
|
677 | LOCK (reqlock); |
|
|
678 | ++nready; |
|
|
679 | reqq_push (&req_queue, req); |
|
|
680 | pthread_cond_signal (&reqwait); |
|
|
681 | UNLOCK (reqlock); |
|
|
682 | |
|
|
683 | unblock_sig (); |
|
|
684 | |
|
|
685 | maybe_start_thread (); |
|
|
686 | } |
|
|
687 | |
|
|
688 | static void end_thread (void) |
|
|
689 | { |
|
|
690 | aio_req req; |
|
|
691 | |
|
|
692 | Newz (0, req, 1, aio_cb); |
|
|
693 | |
|
|
694 | req->type = REQ_QUIT; |
|
|
695 | req->pri = PRI_MAX + PRI_BIAS; |
606 | |
696 | |
607 | LOCK (reqlock); |
697 | LOCK (reqlock); |
608 | reqq_push (&req_queue, req); |
698 | reqq_push (&req_queue, req); |
609 | pthread_cond_signal (&reqwait); |
699 | pthread_cond_signal (&reqwait); |
610 | UNLOCK (reqlock); |
700 | UNLOCK (reqlock); |
611 | } |
|
|
612 | |
701 | |
613 | static void end_thread (void) |
702 | LOCK (wrklock); |
614 | { |
703 | --started; |
615 | aio_req req; |
704 | UNLOCK (wrklock); |
|
|
705 | } |
616 | |
706 | |
617 | Newz (0, req, 1, aio_cb); |
707 | static void set_max_idle (int nthreads) |
618 | |
708 | { |
619 | req->type = REQ_QUIT; |
709 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
620 | req->pri = PRI_MAX + PRI_BIAS; |
710 | max_idle = nthreads <= 0 ? 1 : nthreads; |
621 | |
711 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
622 | req_send (req); |
|
|
623 | } |
712 | } |
624 | |
713 | |
625 | static void min_parallel (int nthreads) |
714 | static void min_parallel (int nthreads) |
626 | { |
715 | { |
627 | if (wanted < nthreads) |
716 | if (wanted < nthreads) |
628 | wanted = nthreads; |
717 | wanted = nthreads; |
629 | } |
718 | } |
630 | |
719 | |
631 | static void max_parallel (int nthreads) |
720 | static void max_parallel (int nthreads) |
632 | { |
721 | { |
633 | int cur = started; |
|
|
634 | |
|
|
635 | if (wanted > nthreads) |
722 | if (wanted > nthreads) |
636 | wanted = nthreads; |
723 | wanted = nthreads; |
637 | |
724 | |
638 | while (cur > wanted) |
725 | while (started > wanted) |
|
|
726 | end_thread (); |
|
|
727 | } |
|
|
728 | |
|
|
729 | static void poll_wait () |
|
|
730 | { |
|
|
731 | fd_set rfd; |
|
|
732 | |
|
|
733 | while (nreqs) |
639 | { |
734 | { |
|
|
735 | int size; |
|
|
736 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
737 | size = res_queue.size; |
|
|
738 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
739 | |
|
|
740 | if (size) |
|
|
741 | return; |
|
|
742 | |
640 | end_thread (); |
743 | maybe_start_thread (); |
641 | cur--; |
744 | |
|
|
745 | FD_ZERO(&rfd); |
|
|
746 | FD_SET(respipe [0], &rfd); |
|
|
747 | |
|
|
748 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
642 | } |
749 | } |
|
|
750 | } |
643 | |
751 | |
644 | while (started > wanted) |
752 | static int poll_cb () |
|
|
753 | { |
|
|
754 | dSP; |
|
|
755 | int count = 0; |
|
|
756 | int maxreqs = max_poll_reqs; |
|
|
757 | int do_croak = 0; |
|
|
758 | struct timeval tv_start, tv_now; |
|
|
759 | aio_req req; |
|
|
760 | |
|
|
761 | if (max_poll_time) |
|
|
762 | gettimeofday (&tv_start, 0); |
|
|
763 | |
|
|
764 | block_sig (); |
|
|
765 | |
|
|
766 | for (;;) |
645 | { |
767 | { |
|
|
768 | for (;;) |
|
|
769 | { |
|
|
770 | maybe_start_thread (); |
|
|
771 | |
|
|
772 | LOCK (reslock); |
|
|
773 | req = reqq_shift (&res_queue); |
|
|
774 | |
|
|
775 | if (req) |
|
|
776 | { |
|
|
777 | --npending; |
|
|
778 | |
|
|
779 | if (!res_queue.size) |
|
|
780 | { |
|
|
781 | /* read any signals sent by the worker threads */ |
|
|
782 | char buf [4]; |
|
|
783 | while (read (respipe [0], buf, 4) == 4) |
|
|
784 | ; |
|
|
785 | } |
|
|
786 | } |
|
|
787 | |
|
|
788 | UNLOCK (reslock); |
|
|
789 | |
|
|
790 | if (!req) |
|
|
791 | break; |
|
|
792 | |
|
|
793 | --nreqs; |
|
|
794 | |
|
|
795 | if (req->type == REQ_GROUP && req->size) |
|
|
796 | { |
|
|
797 | req->int1 = 1; /* mark request as delayed */ |
|
|
798 | continue; |
|
|
799 | } |
|
|
800 | else |
|
|
801 | { |
|
|
802 | if (!req_invoke (req)) |
|
|
803 | { |
|
|
804 | req_free (req); |
|
|
805 | unblock_sig (); |
|
|
806 | croak (0); |
|
|
807 | } |
|
|
808 | |
|
|
809 | count++; |
|
|
810 | } |
|
|
811 | |
|
|
812 | req_free (req); |
|
|
813 | |
|
|
814 | if (maxreqs && !--maxreqs) |
|
|
815 | break; |
|
|
816 | |
|
|
817 | if (max_poll_time) |
|
|
818 | { |
|
|
819 | gettimeofday (&tv_now, 0); |
|
|
820 | |
|
|
821 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
822 | break; |
|
|
823 | } |
|
|
824 | } |
|
|
825 | |
|
|
826 | if (nreqs <= max_outstanding) |
|
|
827 | break; |
|
|
828 | |
646 | poll_wait (); |
829 | poll_wait (); |
647 | poll_cb (0); |
830 | |
|
|
831 | ++maxreqs; |
648 | } |
832 | } |
|
|
833 | |
|
|
834 | unblock_sig (); |
|
|
835 | return count; |
649 | } |
836 | } |
650 | |
837 | |
651 | static void create_pipe () |
838 | static void create_pipe () |
652 | { |
839 | { |
653 | if (pipe (respipe)) |
840 | if (pipe (respipe)) |
… | |
… | |
780 | { |
967 | { |
781 | off_t sbytes; |
968 | off_t sbytes; |
782 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
969 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
783 | |
970 | |
784 | if (res < 0 && sbytes) |
971 | if (res < 0 && sbytes) |
785 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
972 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
786 | res = sbytes; |
973 | res = sbytes; |
787 | } |
974 | } |
788 | |
975 | |
789 | # elif __hpux |
976 | # elif __hpux |
790 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
977 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
868 | int memofs = 0; |
1055 | int memofs = 0; |
869 | int res = 0; |
1056 | int res = 0; |
870 | int errorno; |
1057 | int errorno; |
871 | |
1058 | |
872 | LOCK (wrklock); |
1059 | LOCK (wrklock); |
873 | self->dirp = dirp = opendir (req->dataptr); |
1060 | self->dirp = dirp = opendir (req->ptr1); |
874 | self->dbuf = u = malloc (sizeof (*u)); |
1061 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1062 | req->flags |= FLAG_PTR2_FREE; |
875 | req->data2ptr = names = malloc (memlen); |
1063 | req->ptr2 = names = malloc (memlen); |
876 | UNLOCK (wrklock); |
1064 | UNLOCK (wrklock); |
877 | |
1065 | |
878 | if (dirp && u && names) |
1066 | if (dirp && u && names) |
879 | for (;;) |
1067 | for (;;) |
880 | { |
1068 | { |
… | |
… | |
894 | |
1082 | |
895 | while (memofs + len > memlen) |
1083 | while (memofs + len > memlen) |
896 | { |
1084 | { |
897 | memlen *= 2; |
1085 | memlen *= 2; |
898 | LOCK (wrklock); |
1086 | LOCK (wrklock); |
899 | req->data2ptr = names = realloc (names, memlen); |
1087 | req->ptr2 = names = realloc (names, memlen); |
900 | UNLOCK (wrklock); |
1088 | UNLOCK (wrklock); |
901 | |
1089 | |
902 | if (!names) |
1090 | if (!names) |
903 | break; |
1091 | break; |
904 | } |
1092 | } |
… | |
… | |
917 | /*****************************************************************************/ |
1105 | /*****************************************************************************/ |
918 | |
1106 | |
919 | static void *aio_proc (void *thr_arg) |
1107 | static void *aio_proc (void *thr_arg) |
920 | { |
1108 | { |
921 | aio_req req; |
1109 | aio_req req; |
922 | int type; |
1110 | struct timespec ts; |
923 | worker *self = (worker *)thr_arg; |
1111 | worker *self = (worker *)thr_arg; |
924 | |
1112 | |
925 | do |
1113 | /* try to distribute timeouts somewhat evenly */ |
|
|
1114 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1115 | * (1000000000UL / 1024UL); |
|
|
1116 | |
|
|
1117 | for (;;) |
926 | { |
1118 | { |
|
|
1119 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1120 | |
927 | LOCK (reqlock); |
1121 | LOCK (reqlock); |
928 | |
1122 | |
929 | for (;;) |
1123 | for (;;) |
930 | { |
1124 | { |
931 | self->req = req = reqq_shift (&req_queue); |
1125 | self->req = req = reqq_shift (&req_queue); |
932 | |
1126 | |
933 | if (req) |
1127 | if (req) |
934 | break; |
1128 | break; |
935 | |
1129 | |
|
|
1130 | ++idle; |
|
|
1131 | |
|
|
1132 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1133 | == ETIMEDOUT) |
|
|
1134 | { |
|
|
1135 | if (idle > max_idle) |
|
|
1136 | { |
|
|
1137 | --idle; |
|
|
1138 | UNLOCK (reqlock); |
|
|
1139 | LOCK (wrklock); |
|
|
1140 | --started; |
|
|
1141 | UNLOCK (wrklock); |
|
|
1142 | goto quit; |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | /* we are allowed to idle, so do so without any timeout */ |
936 | pthread_cond_wait (&reqwait, &reqlock); |
1146 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1147 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | --idle; |
937 | } |
1151 | } |
|
|
1152 | |
|
|
1153 | --nready; |
938 | |
1154 | |
939 | UNLOCK (reqlock); |
1155 | UNLOCK (reqlock); |
940 | |
1156 | |
941 | errno = 0; /* strictly unnecessary */ |
1157 | errno = 0; /* strictly unnecessary */ |
942 | type = req->type; /* remember type for QUIT check */ |
|
|
943 | |
1158 | |
944 | if (!(req->flags & FLAG_CANCELLED)) |
1159 | if (!(req->flags & FLAG_CANCELLED)) |
945 | switch (type) |
1160 | switch (req->type) |
946 | { |
1161 | { |
947 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1162 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
948 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1163 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
949 | |
1164 | |
950 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1165 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
951 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1166 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
952 | |
1167 | |
953 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1168 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
954 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1169 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
955 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1170 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
956 | |
1171 | |
957 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1172 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
958 | case REQ_CLOSE: req->result = close (req->fd); break; |
1173 | case REQ_CLOSE: req->result = close (req->int1); break; |
959 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1174 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
960 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1175 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1176 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
961 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1177 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
962 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1178 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
963 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1179 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1180 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1181 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
964 | |
1182 | |
965 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1183 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
966 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1184 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
967 | case REQ_READDIR: scandir_ (req, self); break; |
1185 | case REQ_READDIR: scandir_ (req, self); break; |
968 | |
1186 | |
969 | case REQ_BUSY: |
1187 | case REQ_BUSY: |
970 | { |
1188 | { |
971 | struct timeval tv; |
1189 | struct timeval tv; |
972 | |
1190 | |
973 | tv.tv_sec = req->fd; |
1191 | tv.tv_sec = req->int1; |
974 | tv.tv_usec = req->fd2; |
1192 | tv.tv_usec = req->int2; |
975 | |
1193 | |
976 | req->result = select (0, 0, 0, 0, &tv); |
1194 | req->result = select (0, 0, 0, 0, &tv); |
977 | } |
1195 | } |
978 | |
1196 | |
979 | case REQ_GROUP: |
1197 | case REQ_GROUP: |
980 | case REQ_NOP: |
1198 | case REQ_NOP: |
|
|
1199 | break; |
|
|
1200 | |
981 | case REQ_QUIT: |
1201 | case REQ_QUIT: |
982 | break; |
1202 | goto quit; |
983 | |
1203 | |
984 | default: |
1204 | default: |
985 | req->result = ENOSYS; |
1205 | req->result = ENOSYS; |
986 | break; |
1206 | break; |
987 | } |
1207 | } |
988 | |
1208 | |
989 | req->errorno = errno; |
1209 | req->errorno = errno; |
990 | |
1210 | |
991 | LOCK (reslock); |
1211 | LOCK (reslock); |
992 | |
1212 | |
|
|
1213 | ++npending; |
|
|
1214 | |
993 | if (!reqq_push (&res_queue, req)) |
1215 | if (!reqq_push (&res_queue, req)) |
|
|
1216 | { |
994 | /* write a dummy byte to the pipe so fh becomes ready */ |
1217 | /* write a dummy byte to the pipe so fh becomes ready */ |
995 | write (respipe [1], &respipe, 1); |
1218 | write (respipe [1], &respipe, 1); |
|
|
1219 | |
|
|
1220 | /* optionally signal the main thread asynchronously */ |
|
|
1221 | if (main_sig) |
|
|
1222 | pthread_kill (main_tid, main_sig); |
|
|
1223 | } |
996 | |
1224 | |
997 | self->req = 0; |
1225 | self->req = 0; |
998 | worker_clear (self); |
1226 | worker_clear (self); |
999 | |
1227 | |
1000 | UNLOCK (reslock); |
1228 | UNLOCK (reslock); |
1001 | } |
1229 | } |
1002 | while (type != REQ_QUIT); |
|
|
1003 | |
1230 | |
|
|
1231 | quit: |
1004 | LOCK (wrklock); |
1232 | LOCK (wrklock); |
1005 | worker_free (self); |
1233 | worker_free (self); |
1006 | UNLOCK (wrklock); |
1234 | UNLOCK (wrklock); |
1007 | |
1235 | |
1008 | return 0; |
1236 | return 0; |
… | |
… | |
1055 | |
1283 | |
1056 | worker_clear (wrk); |
1284 | worker_clear (wrk); |
1057 | worker_free (wrk); |
1285 | worker_free (wrk); |
1058 | } |
1286 | } |
1059 | |
1287 | |
1060 | started = 0; |
1288 | started = 0; |
|
|
1289 | idle = 0; |
1061 | nreqs = 0; |
1290 | nreqs = 0; |
|
|
1291 | nready = 0; |
|
|
1292 | npending = 0; |
1062 | |
1293 | |
1063 | close (respipe [0]); |
1294 | close (respipe [0]); |
1064 | close (respipe [1]); |
1295 | close (respipe [1]); |
1065 | create_pipe (); |
1296 | create_pipe (); |
1066 | |
1297 | |
… | |
… | |
1093 | PROTOTYPES: ENABLE |
1324 | PROTOTYPES: ENABLE |
1094 | |
1325 | |
1095 | BOOT: |
1326 | BOOT: |
1096 | { |
1327 | { |
1097 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1328 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1329 | |
1098 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1330 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1099 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1331 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1100 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1332 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1333 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1334 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1335 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1336 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1101 | |
1337 | |
1102 | create_pipe (); |
1338 | create_pipe (); |
1103 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1339 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1104 | } |
1340 | } |
1105 | |
1341 | |
1106 | void |
1342 | void |
1107 | min_parallel (nthreads) |
1343 | max_poll_reqs (int nreqs) |
1108 | int nthreads |
|
|
1109 | PROTOTYPE: $ |
1344 | PROTOTYPE: $ |
|
|
1345 | CODE: |
|
|
1346 | max_poll_reqs = nreqs; |
1110 | |
1347 | |
1111 | void |
1348 | void |
1112 | max_parallel (nthreads) |
1349 | max_poll_time (double nseconds) |
1113 | int nthreads |
|
|
1114 | PROTOTYPE: $ |
1350 | PROTOTYPE: $ |
|
|
1351 | CODE: |
|
|
1352 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1353 | |
|
|
1354 | void |
|
|
1355 | min_parallel (int nthreads) |
|
|
1356 | PROTOTYPE: $ |
|
|
1357 | |
|
|
1358 | void |
|
|
1359 | max_parallel (int nthreads) |
|
|
1360 | PROTOTYPE: $ |
|
|
1361 | |
|
|
1362 | void |
|
|
1363 | max_idle (int nthreads) |
|
|
1364 | PROTOTYPE: $ |
|
|
1365 | CODE: |
|
|
1366 | set_max_idle (nthreads); |
|
|
1367 | |
|
|
1368 | int |
|
|
1369 | max_outstanding (int maxreqs) |
|
|
1370 | PROTOTYPE: $ |
|
|
1371 | CODE: |
|
|
1372 | RETVAL = max_outstanding; |
|
|
1373 | max_outstanding = maxreqs; |
|
|
1374 | OUTPUT: |
|
|
1375 | RETVAL |
1115 | |
1376 | |
1116 | void |
1377 | void |
1117 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1378 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1118 | SV * pathname |
1379 | SV8 * pathname |
1119 | int flags |
1380 | int flags |
1120 | int mode |
1381 | int mode |
1121 | SV * callback |
1382 | SV * callback |
1122 | PROTOTYPE: $$$;$ |
1383 | PROTOTYPE: $$$;$ |
1123 | PPCODE: |
1384 | PPCODE: |
1124 | { |
1385 | { |
1125 | dREQ; |
1386 | dREQ; |
1126 | |
1387 | |
1127 | req->type = REQ_OPEN; |
1388 | req->type = REQ_OPEN; |
1128 | req->data = newSVsv (pathname); |
1389 | req->sv1 = newSVsv (pathname); |
1129 | req->dataptr = SvPVbyte_nolen (req->data); |
1390 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1130 | req->fd = flags; |
1391 | req->int1 = flags; |
1131 | req->mode = mode; |
1392 | req->mode = mode; |
1132 | |
1393 | |
1133 | REQ_SEND; |
1394 | REQ_SEND; |
1134 | } |
1395 | } |
1135 | |
1396 | |
… | |
… | |
1145 | PPCODE: |
1406 | PPCODE: |
1146 | { |
1407 | { |
1147 | dREQ; |
1408 | dREQ; |
1148 | |
1409 | |
1149 | req->type = ix; |
1410 | req->type = ix; |
1150 | req->fh = newSVsv (fh); |
1411 | req->fh = newSVsv (fh); |
1151 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1412 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1152 | |
1413 | |
1153 | REQ_SEND (req); |
1414 | REQ_SEND (req); |
1154 | } |
1415 | } |
1155 | |
1416 | |
1156 | void |
1417 | void |
1157 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1418 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1158 | SV * fh |
1419 | SV * fh |
1159 | UV offset |
1420 | UV offset |
1160 | UV length |
1421 | UV length |
1161 | SV * data |
1422 | SV8 * data |
1162 | UV dataoffset |
1423 | UV dataoffset |
1163 | SV * callback |
1424 | SV * callback |
1164 | ALIAS: |
1425 | ALIAS: |
1165 | aio_read = REQ_READ |
1426 | aio_read = REQ_READ |
1166 | aio_write = REQ_WRITE |
1427 | aio_write = REQ_WRITE |
1167 | PROTOTYPE: $$$$$;$ |
1428 | PROTOTYPE: $$$$$;$ |
1168 | PPCODE: |
1429 | PPCODE: |
1169 | { |
1430 | { |
1170 | aio_req req; |
|
|
1171 | STRLEN svlen; |
1431 | STRLEN svlen; |
1172 | char *svptr = SvPVbyte (data, svlen); |
1432 | char *svptr = SvPVbyte (data, svlen); |
1173 | |
1433 | |
1174 | SvUPGRADE (data, SVt_PV); |
1434 | SvUPGRADE (data, SVt_PV); |
1175 | SvPOK_on (data); |
1435 | SvPOK_on (data); |
… | |
… | |
1187 | length = svlen - dataoffset; |
1447 | length = svlen - dataoffset; |
1188 | } |
1448 | } |
1189 | else |
1449 | else |
1190 | { |
1450 | { |
1191 | /* read: grow scalar as necessary */ |
1451 | /* read: grow scalar as necessary */ |
1192 | svptr = SvGROW (data, length + dataoffset); |
1452 | svptr = SvGROW (data, length + dataoffset + 1); |
1193 | } |
1453 | } |
1194 | |
1454 | |
1195 | if (length < 0) |
1455 | if (length < 0) |
1196 | croak ("length must not be negative"); |
1456 | croak ("length must not be negative"); |
1197 | |
1457 | |
1198 | { |
1458 | { |
1199 | dREQ; |
1459 | dREQ; |
1200 | |
1460 | |
1201 | req->type = ix; |
1461 | req->type = ix; |
1202 | req->fh = newSVsv (fh); |
1462 | req->fh = newSVsv (fh); |
1203 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1463 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1204 | : IoOFP (sv_2io (fh))); |
1464 | : IoOFP (sv_2io (fh))); |
1205 | req->offset = offset; |
1465 | req->offs = offset; |
1206 | req->length = length; |
1466 | req->size = length; |
1207 | req->data = SvREFCNT_inc (data); |
1467 | req->sv1 = SvREFCNT_inc (data); |
1208 | req->dataptr = (char *)svptr + dataoffset; |
1468 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1469 | req->stroffset = dataoffset; |
1209 | |
1470 | |
1210 | if (!SvREADONLY (data)) |
1471 | if (!SvREADONLY (data)) |
1211 | { |
1472 | { |
1212 | SvREADONLY_on (data); |
1473 | SvREADONLY_on (data); |
1213 | req->data2ptr = (void *)data; |
1474 | req->flags |= FLAG_SV1_RO_OFF; |
1214 | } |
1475 | } |
1215 | |
1476 | |
1216 | REQ_SEND; |
1477 | REQ_SEND; |
1217 | } |
1478 | } |
|
|
1479 | } |
|
|
1480 | |
|
|
1481 | void |
|
|
1482 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1483 | SV8 * path |
|
|
1484 | SV * callback |
|
|
1485 | PROTOTYPE: $$;$ |
|
|
1486 | PPCODE: |
|
|
1487 | { |
|
|
1488 | SV *data; |
|
|
1489 | dREQ; |
|
|
1490 | |
|
|
1491 | data = newSV (NAME_MAX); |
|
|
1492 | SvPOK_on (data); |
|
|
1493 | |
|
|
1494 | req->type = REQ_READLINK; |
|
|
1495 | req->fh = newSVsv (path); |
|
|
1496 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1497 | req->sv1 = data; |
|
|
1498 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1499 | |
|
|
1500 | REQ_SEND; |
1218 | } |
1501 | } |
1219 | |
1502 | |
1220 | void |
1503 | void |
1221 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1504 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1222 | SV * out_fh |
1505 | SV * out_fh |
… | |
… | |
1228 | PPCODE: |
1511 | PPCODE: |
1229 | { |
1512 | { |
1230 | dREQ; |
1513 | dREQ; |
1231 | |
1514 | |
1232 | req->type = REQ_SENDFILE; |
1515 | req->type = REQ_SENDFILE; |
1233 | req->fh = newSVsv (out_fh); |
1516 | req->fh = newSVsv (out_fh); |
1234 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1517 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1235 | req->fh2 = newSVsv (in_fh); |
1518 | req->sv2 = newSVsv (in_fh); |
1236 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1519 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1237 | req->offset = in_offset; |
1520 | req->offs = in_offset; |
1238 | req->length = length; |
1521 | req->size = length; |
1239 | |
1522 | |
1240 | REQ_SEND; |
1523 | REQ_SEND; |
1241 | } |
1524 | } |
1242 | |
1525 | |
1243 | void |
1526 | void |
… | |
… | |
1250 | PPCODE: |
1533 | PPCODE: |
1251 | { |
1534 | { |
1252 | dREQ; |
1535 | dREQ; |
1253 | |
1536 | |
1254 | req->type = REQ_READAHEAD; |
1537 | req->type = REQ_READAHEAD; |
1255 | req->fh = newSVsv (fh); |
1538 | req->fh = newSVsv (fh); |
1256 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1539 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1257 | req->offset = offset; |
1540 | req->offs = offset; |
1258 | req->length = length; |
1541 | req->size = length; |
1259 | |
1542 | |
1260 | REQ_SEND; |
1543 | REQ_SEND; |
1261 | } |
1544 | } |
1262 | |
1545 | |
1263 | void |
1546 | void |
1264 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1547 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1265 | SV * fh_or_path |
1548 | SV8 * fh_or_path |
1266 | SV * callback |
1549 | SV * callback |
1267 | ALIAS: |
1550 | ALIAS: |
1268 | aio_stat = REQ_STAT |
1551 | aio_stat = REQ_STAT |
1269 | aio_lstat = REQ_LSTAT |
1552 | aio_lstat = REQ_LSTAT |
1270 | PPCODE: |
1553 | PPCODE: |
1271 | { |
1554 | { |
1272 | dREQ; |
1555 | dREQ; |
1273 | |
1556 | |
1274 | New (0, req->statdata, 1, Stat_t); |
1557 | req->ptr2 = malloc (sizeof (Stat_t)); |
1275 | if (!req->statdata) |
1558 | if (!req->ptr2) |
1276 | { |
1559 | { |
1277 | req_free (req); |
1560 | req_free (req); |
1278 | croak ("out of memory during aio_req->statdata allocation"); |
1561 | croak ("out of memory during aio_stat statdata allocation"); |
1279 | } |
1562 | } |
|
|
1563 | |
|
|
1564 | req->flags |= FLAG_PTR2_FREE; |
1280 | |
1565 | |
1281 | if (SvPOK (fh_or_path)) |
1566 | if (SvPOK (fh_or_path)) |
1282 | { |
1567 | { |
1283 | req->type = ix; |
1568 | req->type = ix; |
1284 | req->data = newSVsv (fh_or_path); |
1569 | req->sv1 = newSVsv (fh_or_path); |
1285 | req->dataptr = SvPVbyte_nolen (req->data); |
1570 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1286 | } |
1571 | } |
1287 | else |
1572 | else |
1288 | { |
1573 | { |
1289 | req->type = REQ_FSTAT; |
1574 | req->type = REQ_FSTAT; |
1290 | req->fh = newSVsv (fh_or_path); |
1575 | req->fh = newSVsv (fh_or_path); |
1291 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1576 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1292 | } |
1577 | } |
1293 | |
1578 | |
1294 | REQ_SEND; |
1579 | REQ_SEND; |
1295 | } |
1580 | } |
1296 | |
1581 | |
1297 | void |
1582 | void |
1298 | aio_unlink (pathname,callback=&PL_sv_undef) |
1583 | aio_unlink (pathname,callback=&PL_sv_undef) |
1299 | SV * pathname |
1584 | SV8 * pathname |
1300 | SV * callback |
1585 | SV * callback |
1301 | ALIAS: |
1586 | ALIAS: |
1302 | aio_unlink = REQ_UNLINK |
1587 | aio_unlink = REQ_UNLINK |
1303 | aio_rmdir = REQ_RMDIR |
1588 | aio_rmdir = REQ_RMDIR |
1304 | aio_readdir = REQ_READDIR |
1589 | aio_readdir = REQ_READDIR |
1305 | PPCODE: |
1590 | PPCODE: |
1306 | { |
1591 | { |
1307 | dREQ; |
1592 | dREQ; |
1308 | |
1593 | |
1309 | req->type = ix; |
1594 | req->type = ix; |
1310 | req->data = newSVsv (pathname); |
1595 | req->sv1 = newSVsv (pathname); |
1311 | req->dataptr = SvPVbyte_nolen (req->data); |
1596 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1597 | |
|
|
1598 | REQ_SEND; |
|
|
1599 | } |
|
|
1600 | |
|
|
1601 | void |
|
|
1602 | aio_mkdir (pathname,mode,callback=&PL_sv_undef) |
|
|
1603 | SV8 * pathname |
|
|
1604 | UV mode |
|
|
1605 | SV * callback |
|
|
1606 | PPCODE: |
|
|
1607 | { |
|
|
1608 | dREQ; |
1312 | |
1609 | |
|
|
1610 | req->type = REQ_MKDIR; |
|
|
1611 | req->sv1 = newSVsv (pathname); |
|
|
1612 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1613 | req->mode = mode; |
|
|
1614 | |
1313 | REQ_SEND; |
1615 | REQ_SEND; |
1314 | } |
1616 | } |
1315 | |
1617 | |
1316 | void |
1618 | void |
1317 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1619 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1318 | SV * oldpath |
1620 | SV8 * oldpath |
1319 | SV * newpath |
1621 | SV8 * newpath |
1320 | SV * callback |
1622 | SV * callback |
1321 | ALIAS: |
1623 | ALIAS: |
1322 | aio_link = REQ_LINK |
1624 | aio_link = REQ_LINK |
1323 | aio_symlink = REQ_SYMLINK |
1625 | aio_symlink = REQ_SYMLINK |
1324 | aio_rename = REQ_RENAME |
1626 | aio_rename = REQ_RENAME |
1325 | PPCODE: |
1627 | PPCODE: |
1326 | { |
1628 | { |
1327 | dREQ; |
1629 | dREQ; |
1328 | |
1630 | |
1329 | req->type = ix; |
1631 | req->type = ix; |
1330 | req->fh = newSVsv (oldpath); |
1632 | req->fh = newSVsv (oldpath); |
1331 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1633 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1332 | req->data = newSVsv (newpath); |
1634 | req->sv1 = newSVsv (newpath); |
1333 | req->dataptr = SvPVbyte_nolen (req->data); |
1635 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1334 | |
1636 | |
1335 | REQ_SEND; |
1637 | REQ_SEND; |
1336 | } |
1638 | } |
1337 | |
1639 | |
1338 | void |
1640 | void |
|
|
1641 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1642 | SV8 * pathname |
|
|
1643 | UV mode |
|
|
1644 | UV dev |
|
|
1645 | SV * callback |
|
|
1646 | PPCODE: |
|
|
1647 | { |
|
|
1648 | dREQ; |
|
|
1649 | |
|
|
1650 | req->type = REQ_MKNOD; |
|
|
1651 | req->sv1 = newSVsv (pathname); |
|
|
1652 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1653 | req->mode = (mode_t)mode; |
|
|
1654 | req->offs = dev; |
|
|
1655 | |
|
|
1656 | REQ_SEND; |
|
|
1657 | } |
|
|
1658 | |
|
|
1659 | void |
1339 | aio_busy (delay,callback=&PL_sv_undef) |
1660 | aio_busy (delay,callback=&PL_sv_undef) |
1340 | double delay |
1661 | double delay |
1341 | SV * callback |
1662 | SV * callback |
1342 | PPCODE: |
1663 | PPCODE: |
1343 | { |
1664 | { |
1344 | dREQ; |
1665 | dREQ; |
1345 | |
1666 | |
1346 | req->type = REQ_BUSY; |
1667 | req->type = REQ_BUSY; |
1347 | req->fd = delay < 0. ? 0 : delay; |
1668 | req->int1 = delay < 0. ? 0 : delay; |
1348 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1669 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1349 | |
1670 | |
1350 | REQ_SEND; |
1671 | REQ_SEND; |
1351 | } |
1672 | } |
1352 | |
1673 | |
1353 | void |
1674 | void |
… | |
… | |
1357 | PPCODE: |
1678 | PPCODE: |
1358 | { |
1679 | { |
1359 | dREQ; |
1680 | dREQ; |
1360 | |
1681 | |
1361 | req->type = REQ_GROUP; |
1682 | req->type = REQ_GROUP; |
|
|
1683 | |
1362 | req_send (req); |
1684 | req_send (req); |
1363 | |
|
|
1364 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1685 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1365 | } |
1686 | } |
1366 | |
1687 | |
1367 | void |
1688 | void |
1368 | aio_nop (callback=&PL_sv_undef) |
1689 | aio_nop (callback=&PL_sv_undef) |
1369 | SV * callback |
1690 | SV * callback |
1370 | PPCODE: |
1691 | PPCODE: |
1371 | { |
1692 | { |
1372 | dREQ; |
1693 | dREQ; |
1373 | |
1694 | |
1374 | req->type = REQ_NOP; |
1695 | req->type = REQ_NOP; |
1375 | |
1696 | |
1376 | REQ_SEND; |
1697 | REQ_SEND; |
1377 | } |
1698 | } |
1378 | |
1699 | |
1379 | void |
1700 | int |
1380 | aioreq_pri (int pri = DEFAULT_PRI) |
1701 | aioreq_pri (int pri = 0) |
1381 | CODE: |
1702 | PROTOTYPE: ;$ |
|
|
1703 | CODE: |
|
|
1704 | RETVAL = next_pri - PRI_BIAS; |
|
|
1705 | if (items > 0) |
|
|
1706 | { |
1382 | if (pri < PRI_MIN) pri = PRI_MIN; |
1707 | if (pri < PRI_MIN) pri = PRI_MIN; |
1383 | if (pri > PRI_MAX) pri = PRI_MAX; |
1708 | if (pri > PRI_MAX) pri = PRI_MAX; |
1384 | next_pri = pri + PRI_BIAS; |
1709 | next_pri = pri + PRI_BIAS; |
|
|
1710 | } |
|
|
1711 | OUTPUT: |
|
|
1712 | RETVAL |
1385 | |
1713 | |
1386 | void |
1714 | void |
1387 | aioreq_nice (int nice = 0) |
1715 | aioreq_nice (int nice = 0) |
1388 | CODE: |
1716 | CODE: |
1389 | nice = next_pri - nice; |
1717 | nice = next_pri - nice; |
1390 | if (nice < PRI_MIN) nice = PRI_MIN; |
1718 | if (nice < PRI_MIN) nice = PRI_MIN; |
1391 | if (nice > PRI_MAX) nice = PRI_MAX; |
1719 | if (nice > PRI_MAX) nice = PRI_MAX; |
1392 | next_pri = nice + PRI_BIAS; |
1720 | next_pri = nice + PRI_BIAS; |
1393 | |
1721 | |
1394 | void |
1722 | void |
1395 | flush () |
1723 | flush () |
1396 | PROTOTYPE: |
1724 | PROTOTYPE: |
1397 | CODE: |
1725 | CODE: |
1398 | while (nreqs) |
1726 | while (nreqs) |
1399 | { |
1727 | { |
1400 | poll_wait (); |
1728 | poll_wait (); |
1401 | poll_cb (0); |
1729 | poll_cb (); |
1402 | } |
1730 | } |
1403 | |
1731 | |
1404 | void |
1732 | int |
1405 | poll() |
1733 | poll() |
1406 | PROTOTYPE: |
1734 | PROTOTYPE: |
1407 | CODE: |
1735 | CODE: |
1408 | if (nreqs) |
|
|
1409 | { |
|
|
1410 | poll_wait (); |
1736 | poll_wait (); |
1411 | poll_cb (0); |
1737 | RETVAL = poll_cb (); |
1412 | } |
1738 | OUTPUT: |
|
|
1739 | RETVAL |
1413 | |
1740 | |
1414 | int |
1741 | int |
1415 | poll_fileno() |
1742 | poll_fileno() |
1416 | PROTOTYPE: |
1743 | PROTOTYPE: |
1417 | CODE: |
1744 | CODE: |
… | |
… | |
1421 | |
1748 | |
1422 | int |
1749 | int |
1423 | poll_cb(...) |
1750 | poll_cb(...) |
1424 | PROTOTYPE: |
1751 | PROTOTYPE: |
1425 | CODE: |
1752 | CODE: |
1426 | RETVAL = poll_cb (0); |
1753 | RETVAL = poll_cb (); |
1427 | OUTPUT: |
|
|
1428 | RETVAL |
|
|
1429 | |
|
|
1430 | int |
|
|
1431 | poll_some(int max = 0) |
|
|
1432 | PROTOTYPE: $ |
|
|
1433 | CODE: |
|
|
1434 | RETVAL = poll_cb (max); |
|
|
1435 | OUTPUT: |
1754 | OUTPUT: |
1436 | RETVAL |
1755 | RETVAL |
1437 | |
1756 | |
1438 | void |
1757 | void |
1439 | poll_wait() |
1758 | poll_wait() |
1440 | PROTOTYPE: |
1759 | PROTOTYPE: |
1441 | CODE: |
1760 | CODE: |
1442 | if (nreqs) |
|
|
1443 | poll_wait (); |
1761 | poll_wait (); |
|
|
1762 | |
|
|
1763 | void |
|
|
1764 | setsig (int signum = SIGIO) |
|
|
1765 | PROTOTYPE: ;$ |
|
|
1766 | CODE: |
|
|
1767 | { |
|
|
1768 | if (block_sig_level) |
|
|
1769 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1770 | |
|
|
1771 | LOCK (reslock); |
|
|
1772 | main_tid = pthread_self (); |
|
|
1773 | main_sig = signum; |
|
|
1774 | UNLOCK (reslock); |
|
|
1775 | |
|
|
1776 | if (main_sig && npending) |
|
|
1777 | pthread_kill (main_tid, main_sig); |
|
|
1778 | } |
|
|
1779 | |
|
|
1780 | void |
|
|
1781 | aio_block (SV *cb) |
|
|
1782 | PROTOTYPE: & |
|
|
1783 | PPCODE: |
|
|
1784 | { |
|
|
1785 | int count; |
|
|
1786 | |
|
|
1787 | block_sig (); |
|
|
1788 | PUSHMARK (SP); |
|
|
1789 | PUTBACK; |
|
|
1790 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1791 | SPAGAIN; |
|
|
1792 | unblock_sig (); |
|
|
1793 | |
|
|
1794 | if (SvTRUE (ERRSV)) |
|
|
1795 | croak (0); |
|
|
1796 | |
|
|
1797 | XSRETURN (count); |
|
|
1798 | } |
1444 | |
1799 | |
1445 | int |
1800 | int |
1446 | nreqs() |
1801 | nreqs() |
1447 | PROTOTYPE: |
1802 | PROTOTYPE: |
1448 | CODE: |
1803 | CODE: |
1449 | RETVAL = nreqs; |
1804 | RETVAL = nreqs; |
1450 | OUTPUT: |
1805 | OUTPUT: |
1451 | RETVAL |
1806 | RETVAL |
1452 | |
1807 | |
|
|
1808 | int |
|
|
1809 | nready() |
|
|
1810 | PROTOTYPE: |
|
|
1811 | CODE: |
|
|
1812 | RETVAL = get_nready (); |
|
|
1813 | OUTPUT: |
|
|
1814 | RETVAL |
|
|
1815 | |
|
|
1816 | int |
|
|
1817 | npending() |
|
|
1818 | PROTOTYPE: |
|
|
1819 | CODE: |
|
|
1820 | RETVAL = get_npending (); |
|
|
1821 | OUTPUT: |
|
|
1822 | RETVAL |
|
|
1823 | |
|
|
1824 | int |
|
|
1825 | nthreads() |
|
|
1826 | PROTOTYPE: |
|
|
1827 | CODE: |
|
|
1828 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1829 | RETVAL = started; |
|
|
1830 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1831 | OUTPUT: |
|
|
1832 | RETVAL |
|
|
1833 | |
1453 | PROTOTYPES: DISABLE |
1834 | PROTOTYPES: DISABLE |
1454 | |
1835 | |
1455 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1836 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1456 | |
1837 | |
1457 | void |
1838 | void |
… | |
… | |
1472 | PPCODE: |
1853 | PPCODE: |
1473 | { |
1854 | { |
1474 | int i; |
1855 | int i; |
1475 | aio_req req; |
1856 | aio_req req; |
1476 | |
1857 | |
|
|
1858 | if (main_sig && !block_sig_level) |
|
|
1859 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1860 | |
1477 | if (grp->fd == 2) |
1861 | if (grp->int1 == 2) |
1478 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1862 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1479 | |
1863 | |
1480 | for (i = 1; i < items; ++i ) |
1864 | for (i = 1; i < items; ++i ) |
1481 | { |
1865 | { |
1482 | if (GIMME_V != G_VOID) |
1866 | if (GIMME_V != G_VOID) |
… | |
… | |
1484 | |
1868 | |
1485 | req = SvAIO_REQ (ST (i)); |
1869 | req = SvAIO_REQ (ST (i)); |
1486 | |
1870 | |
1487 | if (req) |
1871 | if (req) |
1488 | { |
1872 | { |
1489 | ++grp->length; |
1873 | ++grp->size; |
1490 | req->grp = grp; |
1874 | req->grp = grp; |
1491 | |
1875 | |
1492 | req->grp_prev = 0; |
1876 | req->grp_prev = 0; |
1493 | req->grp_next = grp->grp_first; |
1877 | req->grp_next = grp->grp_first; |
1494 | |
1878 | |
… | |
… | |
1508 | void |
1892 | void |
1509 | result (aio_req grp, ...) |
1893 | result (aio_req grp, ...) |
1510 | CODE: |
1894 | CODE: |
1511 | { |
1895 | { |
1512 | int i; |
1896 | int i; |
|
|
1897 | AV *av; |
|
|
1898 | |
|
|
1899 | grp->errorno = errno; |
|
|
1900 | |
1513 | AV *av = newAV (); |
1901 | av = newAV (); |
1514 | |
1902 | |
1515 | for (i = 1; i < items; ++i ) |
1903 | for (i = 1; i < items; ++i ) |
1516 | av_push (av, newSVsv (ST (i))); |
1904 | av_push (av, newSVsv (ST (i))); |
1517 | |
1905 | |
1518 | SvREFCNT_dec (grp->data); |
1906 | SvREFCNT_dec (grp->sv1); |
1519 | grp->data = (SV *)av; |
1907 | grp->sv1 = (SV *)av; |
1520 | } |
1908 | } |
|
|
1909 | |
|
|
1910 | void |
|
|
1911 | errno (aio_req grp, int errorno = errno) |
|
|
1912 | CODE: |
|
|
1913 | grp->errorno = errorno; |
1521 | |
1914 | |
1522 | void |
1915 | void |
1523 | limit (aio_req grp, int limit) |
1916 | limit (aio_req grp, int limit) |
1524 | CODE: |
1917 | CODE: |
1525 | grp->fd2 = limit; |
1918 | grp->int2 = limit; |
1526 | aio_grp_feed (grp); |
1919 | aio_grp_feed (grp); |
1527 | |
1920 | |
1528 | void |
1921 | void |
1529 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1922 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1530 | CODE: |
1923 | CODE: |
1531 | { |
1924 | { |
1532 | SvREFCNT_dec (grp->fh2); |
1925 | SvREFCNT_dec (grp->sv2); |
1533 | grp->fh2 = newSVsv (callback); |
1926 | grp->sv2 = newSVsv (callback); |
1534 | |
1927 | |
1535 | if (grp->fd2 <= 0) |
1928 | if (grp->int2 <= 0) |
1536 | grp->fd2 = 2; |
1929 | grp->int2 = 2; |
1537 | |
1930 | |
1538 | aio_grp_feed (grp); |
1931 | aio_grp_feed (grp); |
1539 | } |
1932 | } |
1540 | |
1933 | |