| … | |
… | |
| 3 | #include <errno.h> |
3 | #include <errno.h> |
| 4 | |
4 | |
| 5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
| 6 | #include "perl.h" |
6 | #include "perl.h" |
| 7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
|
|
8 | |
|
|
9 | #include "schmorp.h" |
| 8 | |
10 | |
| 9 | #include <stddef.h> |
11 | #include <stddef.h> |
| 10 | #include <stdlib.h> |
12 | #include <stdlib.h> |
| 11 | #include <errno.h> |
13 | #include <errno.h> |
| 12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
| … | |
… | |
| 75 | |
77 | |
| 76 | #define EIO_STRUCT_STAT Stat_t |
78 | #define EIO_STRUCT_STAT Stat_t |
| 77 | |
79 | |
| 78 | /* use NV for 32 bit perls as it allows larger offsets */ |
80 | /* use NV for 32 bit perls as it allows larger offsets */ |
| 79 | #if IVSIZE >= 8 |
81 | #if IVSIZE >= 8 |
|
|
82 | # define VAL64 IV |
| 80 | # define SvVAL64 SvIV |
83 | # define SvVAL64 SvIV |
|
|
84 | # define newSVval64 newSViv |
| 81 | #else |
85 | #else |
|
|
86 | # define VAL64 NV |
| 82 | # define SvVAL64 SvNV |
87 | # define SvVAL64 SvNV |
|
|
88 | # define newSVval64 newSVnv |
| 83 | #endif |
89 | #endif |
|
|
90 | |
|
|
91 | /*****************************************************************************/ |
|
|
92 | |
|
|
93 | #if __GNUC__ >= 3 |
|
|
94 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
95 | #else |
|
|
96 | # define expect(expr,value) (expr) |
|
|
97 | #endif |
|
|
98 | |
|
|
99 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
100 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
101 | |
|
|
102 | /*****************************************************************************/ |
| 84 | |
103 | |
| 85 | static HV *stash; |
104 | static HV *stash; |
| 86 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
105 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
106 | typedef int aio_rfd; /* read file desriptor */ |
|
|
107 | typedef int aio_wfd; /* write file descriptor */ |
| 87 | |
108 | |
| 88 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
| 89 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
110 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
| 90 | |
111 | |
| 91 | #define EIO_REQ_MEMBERS \ |
112 | #define EIO_REQ_MEMBERS \ |
| … | |
… | |
| 96 | |
117 | |
| 97 | #define EIO_NO_WRAPPERS 1 |
118 | #define EIO_NO_WRAPPERS 1 |
| 98 | |
119 | |
| 99 | #include "libeio/eio.h" |
120 | #include "libeio/eio.h" |
| 100 | |
121 | |
|
|
122 | #ifndef POSIX_FADV_NORMAL |
|
|
123 | # define POSIX_FADV_NORMAL 0 |
|
|
124 | # define NO_FADVISE 1 |
|
|
125 | #endif |
|
|
126 | |
|
|
127 | #ifndef POSIX_FADV_SEQUENTIAL |
|
|
128 | # define POSIX_FADV_SEQUENTIAL 0 |
|
|
129 | #endif |
|
|
130 | |
|
|
131 | #ifndef POSIX_FADV_RANDOM |
|
|
132 | # define POSIX_FADV_RANDOM 0 |
|
|
133 | #endif |
|
|
134 | |
|
|
135 | #ifndef POSIX_FADV_NOREUSE |
|
|
136 | # define POSIX_FADV_NOREUSE 0 |
|
|
137 | #endif |
|
|
138 | |
|
|
139 | #ifndef POSIX_FADV_WILLNEED |
|
|
140 | # define POSIX_FADV_WILLNEED 0 |
|
|
141 | #endif |
|
|
142 | |
|
|
143 | #ifndef POSIX_FADV_DONTNEED |
|
|
144 | # define POSIX_FADV_DONTNEED 0 |
|
|
145 | #endif |
|
|
146 | |
| 101 | static int req_invoke (eio_req *req); |
147 | static int req_invoke (eio_req *req); |
| 102 | #define EIO_FINISH(req) req_invoke (req) |
148 | #define EIO_FINISH(req) req_invoke (req) |
| 103 | static void aio_grp_feed (eio_req *grp); |
|
|
| 104 | #define EIO_FEED(req) aio_grp_feed (req) |
|
|
| 105 | static void req_destroy (eio_req *grp); |
149 | static void req_destroy (eio_req *grp); |
| 106 | #define EIO_DESTROY(req) req_destroy (req) |
150 | #define EIO_DESTROY(req) req_destroy (req) |
| 107 | |
151 | |
| 108 | enum { |
152 | enum { |
| 109 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
153 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
| … | |
… | |
| 116 | |
160 | |
| 117 | static SV *on_next_submit; |
161 | static SV *on_next_submit; |
| 118 | static int next_pri = EIO_PRI_DEFAULT; |
162 | static int next_pri = EIO_PRI_DEFAULT; |
| 119 | static int max_outstanding; |
163 | static int max_outstanding; |
| 120 | |
164 | |
| 121 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
165 | static int respipe_osf [2]; |
|
|
166 | static s_epipe respipe; |
| 122 | |
167 | |
| 123 | static void req_destroy (aio_req req); |
168 | static void req_destroy (aio_req req); |
| 124 | static void req_cancel (aio_req req); |
169 | static void req_cancel (aio_req req); |
| 125 | |
170 | |
| 126 | static void want_poll (void) |
171 | static void want_poll (void) |
| 127 | { |
172 | { |
| 128 | /* write a dummy byte to the pipe so fh becomes ready */ |
173 | /* write a dummy byte to the pipe so fh becomes ready */ |
| 129 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
174 | s_epipe_signal (&respipe); |
| 130 | } |
175 | } |
| 131 | |
176 | |
| 132 | static void done_poll (void) |
177 | static void done_poll (void) |
| 133 | { |
178 | { |
| 134 | /* read any signals sent by the worker threads */ |
179 | /* read any signals sent by the worker threads */ |
| 135 | char buf [4]; |
180 | s_epipe_drain (&respipe); |
| 136 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
| 137 | ; |
|
|
| 138 | } |
181 | } |
| 139 | |
182 | |
| 140 | /* must be called at most once */ |
183 | /* must be called at most once */ |
| 141 | static SV *req_sv (aio_req req, const char *klass) |
184 | static SV *req_sv (aio_req req, const char *klass) |
| 142 | { |
185 | { |
| … | |
… | |
| 181 | |
224 | |
| 182 | static void req_submit (eio_req *req) |
225 | static void req_submit (eio_req *req) |
| 183 | { |
226 | { |
| 184 | eio_submit (req); |
227 | eio_submit (req); |
| 185 | |
228 | |
| 186 | if (on_next_submit) |
229 | if (expect_false (on_next_submit)) |
| 187 | { |
230 | { |
| 188 | dSP; |
231 | dSP; |
| 189 | SV *cb = sv_2mortal (on_next_submit); |
232 | SV *cb = sv_2mortal (on_next_submit); |
| 190 | |
233 | |
| 191 | on_next_submit = 0; |
234 | on_next_submit = 0; |
| … | |
… | |
| 201 | dSP; |
244 | dSP; |
| 202 | |
245 | |
| 203 | if (req->flags & FLAG_SV2_RO_OFF) |
246 | if (req->flags & FLAG_SV2_RO_OFF) |
| 204 | SvREADONLY_off (req->sv2); |
247 | SvREADONLY_off (req->sv2); |
| 205 | |
248 | |
| 206 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
249 | if (!EIO_CANCELLED (req) && req->callback) |
| 207 | { |
250 | { |
| 208 | ENTER; |
251 | ENTER; |
| 209 | SAVETMPS; |
252 | SAVETMPS; |
| 210 | PUSHMARK (SP); |
253 | PUSHMARK (SP); |
| 211 | EXTEND (SP, 1); |
254 | EXTEND (SP, 1); |
| … | |
… | |
| 217 | SV *rv = &PL_sv_undef; |
260 | SV *rv = &PL_sv_undef; |
| 218 | |
261 | |
| 219 | if (req->result >= 0) |
262 | if (req->result >= 0) |
| 220 | { |
263 | { |
| 221 | int i; |
264 | int i; |
| 222 | char *buf = req->ptr2; |
265 | char *names = (char *)req->ptr2; |
|
|
266 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
| 223 | AV *av = newAV (); |
267 | AV *av = newAV (); |
| 224 | |
268 | |
| 225 | av_extend (av, req->result - 1); |
269 | av_extend (av, req->result - 1); |
| 226 | |
270 | |
| 227 | for (i = 0; i < req->result; ++i) |
271 | for (i = 0; i < req->result; ++i) |
| 228 | { |
272 | { |
| 229 | SV *sv = newSVpv (buf, 0); |
273 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
274 | { |
|
|
275 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
| 230 | |
276 | |
|
|
277 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
278 | { |
|
|
279 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
280 | AV *avent = newAV (); |
|
|
281 | |
|
|
282 | av_extend (avent, 2); |
|
|
283 | |
|
|
284 | if (!sv_type [ent->type]) |
|
|
285 | { |
|
|
286 | sv_type [ent->type] = newSViv (ent->type); |
|
|
287 | SvREADONLY_on (sv_type [ent->type]); |
|
|
288 | } |
|
|
289 | |
|
|
290 | av_store (avent, 0, namesv); |
|
|
291 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
292 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
293 | |
|
|
294 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
295 | } |
|
|
296 | else |
| 231 | av_store (av, i, sv); |
297 | av_store (av, i, namesv); |
|
|
298 | |
|
|
299 | ++ent; |
|
|
300 | } |
|
|
301 | else |
|
|
302 | { |
|
|
303 | SV *name = newSVpv (names, 0); |
|
|
304 | av_store (av, i, name); |
| 232 | buf += SvCUR (sv) + 1; |
305 | names += SvCUR (name) + 1; |
|
|
306 | } |
| 233 | } |
307 | } |
| 234 | |
308 | |
| 235 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
309 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
| 236 | } |
310 | } |
| 237 | |
311 | |
| 238 | PUSHs (rv); |
312 | PUSHs (rv); |
|
|
313 | |
|
|
314 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
315 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
| 239 | } |
316 | } |
| 240 | break; |
317 | break; |
| 241 | |
318 | |
| 242 | case EIO_OPEN: |
319 | case EIO_OPEN: |
| 243 | { |
320 | { |
| … | |
… | |
| 249 | GV *gv = (GV *)sv_newmortal (); |
326 | GV *gv = (GV *)sv_newmortal (); |
| 250 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
327 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
| 251 | char sym [64]; |
328 | char sym [64]; |
| 252 | int symlen; |
329 | int symlen; |
| 253 | |
330 | |
| 254 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
331 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
| 255 | gv_init (gv, stash, sym, symlen, 0); |
332 | gv_init (gv, stash, sym, symlen, 0); |
| 256 | |
333 | |
| 257 | symlen = snprintf ( |
334 | symlen = snprintf ( |
| 258 | sym, |
335 | sym, |
| 259 | sizeof (sym), |
336 | sizeof (sym), |
| 260 | "%s&=%d", |
337 | "%s&=%d", |
| 261 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
338 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
| 262 | req->result |
339 | (int)req->result |
| 263 | ); |
340 | ); |
| 264 | |
341 | |
| 265 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
342 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
| 266 | fh = (SV *)gv; |
343 | fh = (SV *)gv; |
| 267 | } |
344 | } |
| … | |
… | |
| 301 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
| 302 | PUSHs (sv_2mortal (newSViv (req->result))); |
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
| 303 | break; |
380 | break; |
| 304 | |
381 | |
| 305 | case EIO_READ: |
382 | case EIO_READ: |
|
|
383 | { |
| 306 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
| 307 | *SvEND (req->sv2) = 0; |
385 | *SvEND (req->sv2) = 0; |
|
|
386 | SvPOK_only (req->sv2); |
|
|
387 | SvSETMAGIC (req->sv2); |
| 308 | PUSHs (sv_2mortal (newSViv (req->result))); |
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
389 | } |
| 309 | break; |
390 | break; |
| 310 | |
391 | |
| 311 | case EIO_DUP2: |
392 | case EIO_DUP2: |
| 312 | if (req->result > 0) |
393 | if (req->result > 0) |
| 313 | req->result = 0; |
394 | req->result = 0; |
| … | |
… | |
| 359 | grp->sv2 = 0; |
440 | grp->sv2 = 0; |
| 360 | |
441 | |
| 361 | eio_grp_cancel (grp); |
442 | eio_grp_cancel (grp); |
| 362 | } |
443 | } |
| 363 | |
444 | |
| 364 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
| 365 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
| 366 | #else |
|
|
| 367 | # define TO_SOCKET(x) (x) |
|
|
| 368 | #endif |
|
|
| 369 | |
|
|
| 370 | static void |
445 | static void |
| 371 | create_respipe (void) |
446 | create_respipe (void) |
| 372 | { |
447 | { |
| 373 | int old_readfd = respipe [0]; |
|
|
| 374 | |
|
|
| 375 | if (respipe [1] >= 0) |
|
|
| 376 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
| 377 | |
|
|
| 378 | #ifdef _WIN32 |
|
|
| 379 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
| 380 | #else |
|
|
| 381 | if (pipe (respipe)) |
448 | if (s_epipe_renew (&respipe)) |
| 382 | #endif |
|
|
| 383 | croak ("unable to initialize result pipe"); |
449 | croak ("unable to initialize result pipe"); |
| 384 | |
450 | |
| 385 | if (old_readfd >= 0) |
|
|
| 386 | { |
|
|
| 387 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
| 388 | croak ("unable to initialize result pipe(2)"); |
|
|
| 389 | |
|
|
| 390 | respipe_close (respipe [0]); |
|
|
| 391 | respipe [0] = old_readfd; |
|
|
| 392 | } |
|
|
| 393 | |
|
|
| 394 | #ifdef _WIN32 |
|
|
| 395 | int arg = 1; |
|
|
| 396 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
| 397 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
| 398 | #else |
|
|
| 399 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
| 400 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
| 401 | #endif |
|
|
| 402 | croak ("unable to initialize result pipe(3)"); |
|
|
| 403 | |
|
|
| 404 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
451 | respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]); |
| 405 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
452 | respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]); |
| 406 | } |
453 | } |
| 407 | |
454 | |
| 408 | static void poll_wait (void) |
455 | static void poll_wait (void) |
| 409 | { |
456 | { |
| 410 | fd_set rfd; |
|
|
| 411 | |
|
|
| 412 | while (eio_nreqs ()) |
457 | while (eio_nreqs ()) |
| 413 | { |
458 | { |
| 414 | int size; |
459 | int size; |
| 415 | |
460 | |
| 416 | X_LOCK (reslock); |
461 | X_LOCK (reslock); |
| … | |
… | |
| 420 | if (size) |
465 | if (size) |
| 421 | return; |
466 | return; |
| 422 | |
467 | |
| 423 | etp_maybe_start_thread (); |
468 | etp_maybe_start_thread (); |
| 424 | |
469 | |
| 425 | FD_ZERO (&rfd); |
470 | s_epipe_wait (&respipe); |
| 426 | FD_SET (respipe [0], &rfd); |
|
|
| 427 | |
|
|
| 428 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
| 429 | } |
471 | } |
| 430 | } |
472 | } |
| 431 | |
473 | |
| 432 | static int poll_cb (void) |
474 | static int poll_cb (void) |
| 433 | { |
475 | { |
| … | |
… | |
| 448 | static void atfork_child (void) |
490 | static void atfork_child (void) |
| 449 | { |
491 | { |
| 450 | create_respipe (); |
492 | create_respipe (); |
| 451 | } |
493 | } |
| 452 | |
494 | |
|
|
495 | static SV * |
|
|
496 | get_cb (SV *cb_sv) |
|
|
497 | { |
|
|
498 | SvGETMAGIC (cb_sv); |
|
|
499 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
500 | } |
|
|
501 | |
| 453 | #define dREQ \ |
502 | #define dREQ \ |
|
|
503 | SV *cb_cv; \ |
| 454 | aio_req req; \ |
504 | aio_req req; \ |
| 455 | int req_pri = next_pri; \ |
505 | int req_pri = next_pri; \ |
| 456 | next_pri = EIO_PRI_DEFAULT; \ |
506 | next_pri = EIO_PRI_DEFAULT; \ |
| 457 | \ |
507 | \ |
| 458 | if (SvOK (callback) && !SvROK (callback)) \ |
508 | cb_cv = get_cb (callback); \ |
| 459 | croak ("callback must be undef or of reference type"); \ |
|
|
| 460 | \ |
509 | \ |
| 461 | Newz (0, req, 1, eio_req); \ |
510 | Newz (0, req, 1, eio_req); \ |
| 462 | if (!req) \ |
511 | if (!req) \ |
| 463 | croak ("out of memory during eio_req allocation"); \ |
512 | croak ("out of memory during eio_req allocation"); \ |
| 464 | \ |
513 | \ |
| 465 | req->callback = newSVsv (callback); \ |
514 | req->callback = SvREFCNT_inc (cb_cv); \ |
| 466 | req->pri = req_pri |
515 | req->pri = req_pri |
| 467 | |
516 | |
| 468 | #define REQ_SEND \ |
517 | #define REQ_SEND \ |
| 469 | PUTBACK; \ |
518 | PUTBACK; \ |
| 470 | req_submit (req); \ |
519 | req_submit (req); \ |
| 471 | SPAGAIN; \ |
520 | SPAGAIN; \ |
| 472 | \ |
521 | \ |
| 473 | if (GIMME_V != G_VOID) \ |
522 | if (GIMME_V != G_VOID) \ |
| 474 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
523 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
| 475 | |
524 | |
| 476 | MODULE = IO::AIO PACKAGE = IO::AIO |
525 | MODULE = IO::AIO PACKAGE = IO::AIO |
| 477 | |
526 | |
| 478 | PROTOTYPES: ENABLE |
527 | PROTOTYPES: ENABLE |
| 479 | |
528 | |
| 480 | BOOT: |
529 | BOOT: |
| 481 | { |
530 | { |
| 482 | stash = gv_stashpv ("IO::AIO", 1); |
531 | static const struct { |
| 483 | |
532 | const char *name; |
| 484 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
533 | IV iv; |
| 485 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
534 | } *civ, const_iv[] = { |
| 486 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
535 | # define const_iv(name, value) { # name, (IV) value }, |
| 487 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
536 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
| 488 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
537 | const_iv (EXDEV , EXDEV) |
|
|
538 | const_iv (ENOSYS , ENOSYS) |
|
|
539 | const_iv (O_RDONLY, O_RDONLY) |
|
|
540 | const_iv (O_WRONLY, O_WRONLY) |
|
|
541 | const_iv (O_CREAT , O_CREAT) |
|
|
542 | const_iv (O_TRUNC , O_TRUNC) |
| 489 | #ifndef _WIN32 |
543 | #ifndef _WIN32 |
| 490 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
544 | const_iv (S_IFIFO , S_IFIFO) |
| 491 | #endif |
545 | #endif |
|
|
546 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
547 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
548 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
549 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
550 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
551 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
| 492 | |
552 | |
|
|
553 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
554 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
555 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
556 | |
|
|
557 | const_eio (READDIR_DENTS) |
|
|
558 | const_eio (READDIR_DIRS_FIRST) |
|
|
559 | const_eio (READDIR_STAT_ORDER) |
|
|
560 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
561 | |
|
|
562 | const_eio (DT_UNKNOWN) |
|
|
563 | const_eio (DT_FIFO) |
|
|
564 | const_eio (DT_CHR) |
|
|
565 | const_eio (DT_DIR) |
|
|
566 | const_eio (DT_BLK) |
|
|
567 | const_eio (DT_REG) |
|
|
568 | const_eio (DT_LNK) |
|
|
569 | const_eio (DT_SOCK) |
|
|
570 | const_eio (DT_WHT) |
|
|
571 | }; |
|
|
572 | |
|
|
573 | stash = gv_stashpv ("IO::AIO", 1); |
|
|
574 | |
|
|
575 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
576 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
577 | |
| 493 | create_respipe (); |
578 | create_respipe (); |
| 494 | |
579 | |
| 495 | if (eio_init (want_poll, done_poll) < 0) |
580 | if (eio_init (want_poll, done_poll) < 0) |
| 496 | croak ("IO::AIO: unable to initialise eio library"); |
581 | croak ("IO::AIO: unable to initialise eio library"); |
| 497 | |
582 | |
| 498 | /* atfork child called in fifo order, so before eio's handler */ |
583 | /* atfork child called in fifo order, so before eio's handler */ |
| 499 | X_THREAD_ATFORK (0, 0, atfork_child); |
584 | X_THREAD_ATFORK (0, 0, atfork_child); |
| 500 | } |
585 | } |
| 501 | |
586 | |
| 502 | void |
587 | void |
| 503 | max_poll_reqs (int nreqs) |
588 | max_poll_reqs (int nreqs) |
| 504 | PROTOTYPE: $ |
589 | PROTOTYPE: $ |
| … | |
… | |
| 557 | ALIAS: |
642 | ALIAS: |
| 558 | aio_fsync = EIO_FSYNC |
643 | aio_fsync = EIO_FSYNC |
| 559 | aio_fdatasync = EIO_FDATASYNC |
644 | aio_fdatasync = EIO_FDATASYNC |
| 560 | PPCODE: |
645 | PPCODE: |
| 561 | { |
646 | { |
|
|
647 | int fd = s_fileno_croak (fh, 0); |
| 562 | dREQ; |
648 | dREQ; |
| 563 | |
649 | |
| 564 | req->type = ix; |
650 | req->type = ix; |
| 565 | req->sv1 = newSVsv (fh); |
651 | req->sv1 = newSVsv (fh); |
| 566 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
652 | req->int1 = fd; |
|
|
653 | |
|
|
654 | REQ_SEND (req); |
|
|
655 | } |
|
|
656 | |
|
|
657 | void |
|
|
658 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
659 | PROTOTYPE: $$$$;$ |
|
|
660 | PPCODE: |
|
|
661 | { |
|
|
662 | int fd = s_fileno_croak (fh, 0); |
|
|
663 | dREQ; |
|
|
664 | |
|
|
665 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
666 | req->sv1 = newSVsv (fh); |
|
|
667 | req->int1 = fd; |
|
|
668 | req->offs = offset; |
|
|
669 | req->size = nbytes; |
|
|
670 | req->int2 = flags; |
| 567 | |
671 | |
| 568 | REQ_SEND (req); |
672 | REQ_SEND (req); |
| 569 | } |
673 | } |
| 570 | |
674 | |
| 571 | void |
675 | void |
| 572 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
676 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
| 573 | PROTOTYPE: $;$ |
677 | PROTOTYPE: $;$ |
| 574 | PPCODE: |
678 | PPCODE: |
| 575 | { |
679 | { |
| 576 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
680 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
681 | int fd = s_fileno_croak (fh, 0); |
| 577 | dREQ; |
682 | dREQ; |
| 578 | |
683 | |
| 579 | if (close_pipe < 0) |
684 | if (close_pipe < 0) |
| 580 | { |
685 | { |
| 581 | int pipefd [2]; |
686 | int pipefd [2]; |
| … | |
… | |
| 589 | } |
694 | } |
| 590 | |
695 | |
| 591 | req->type = EIO_DUP2; |
696 | req->type = EIO_DUP2; |
| 592 | req->int1 = close_pipe; |
697 | req->int1 = close_pipe; |
| 593 | req->sv2 = newSVsv (fh); |
698 | req->sv2 = newSVsv (fh); |
| 594 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
699 | req->int2 = fd; |
| 595 | |
700 | |
| 596 | REQ_SEND (req); |
701 | REQ_SEND (req); |
| 597 | } |
702 | } |
| 598 | |
703 | |
| 599 | void |
704 | void |
| … | |
… | |
| 603 | aio_write = EIO_WRITE |
708 | aio_write = EIO_WRITE |
| 604 | PROTOTYPE: $$$$$;$ |
709 | PROTOTYPE: $$$$$;$ |
| 605 | PPCODE: |
710 | PPCODE: |
| 606 | { |
711 | { |
| 607 | STRLEN svlen; |
712 | STRLEN svlen; |
|
|
713 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
| 608 | char *svptr = SvPVbyte (data, svlen); |
714 | char *svptr = SvPVbyte (data, svlen); |
| 609 | UV len = SvUV (length); |
715 | UV len = SvUV (length); |
| 610 | |
|
|
| 611 | SvUPGRADE (data, SVt_PV); |
|
|
| 612 | SvPOK_on (data); |
|
|
| 613 | |
716 | |
| 614 | if (dataoffset < 0) |
717 | if (dataoffset < 0) |
| 615 | dataoffset += svlen; |
718 | dataoffset += svlen; |
| 616 | |
719 | |
| 617 | if (dataoffset < 0 || dataoffset > svlen) |
720 | if (dataoffset < 0 || dataoffset > svlen) |
| … | |
… | |
| 623 | if (!SvOK (length) || len + dataoffset > svlen) |
726 | if (!SvOK (length) || len + dataoffset > svlen) |
| 624 | len = svlen - dataoffset; |
727 | len = svlen - dataoffset; |
| 625 | } |
728 | } |
| 626 | else |
729 | else |
| 627 | { |
730 | { |
| 628 | /* read: grow scalar as necessary */ |
731 | /* read: check type and grow scalar as necessary */ |
|
|
732 | SvUPGRADE (data, SVt_PV); |
| 629 | svptr = SvGROW (data, len + dataoffset + 1); |
733 | svptr = SvGROW (data, len + dataoffset + 1); |
| 630 | } |
734 | } |
| 631 | |
|
|
| 632 | if (len < 0) |
|
|
| 633 | croak ("length must not be negative"); |
|
|
| 634 | |
735 | |
| 635 | { |
736 | { |
| 636 | dREQ; |
737 | dREQ; |
| 637 | |
738 | |
| 638 | req->type = ix; |
739 | req->type = ix; |
| 639 | req->sv1 = newSVsv (fh); |
740 | req->sv1 = newSVsv (fh); |
| 640 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
741 | req->int1 = fd; |
| 641 | : IoOFP (sv_2io (fh))); |
|
|
| 642 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
742 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
| 643 | req->size = len; |
743 | req->size = len; |
| 644 | req->sv2 = SvREFCNT_inc (data); |
744 | req->sv2 = SvREFCNT_inc (data); |
| 645 | req->ptr2 = (char *)svptr + dataoffset; |
745 | req->ptr2 = (char *)svptr + dataoffset; |
| 646 | req->stroffset = dataoffset; |
746 | req->stroffset = dataoffset; |
| … | |
… | |
| 669 | |
769 | |
| 670 | REQ_SEND; |
770 | REQ_SEND; |
| 671 | } |
771 | } |
| 672 | |
772 | |
| 673 | void |
773 | void |
| 674 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
774 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
| 675 | PROTOTYPE: $$$$;$ |
775 | PROTOTYPE: $$$$;$ |
| 676 | PPCODE: |
776 | PPCODE: |
| 677 | { |
777 | { |
|
|
778 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
779 | int ofd = s_fileno_croak (out_fh, 1); |
| 678 | dREQ; |
780 | dREQ; |
| 679 | |
781 | |
| 680 | req->type = EIO_SENDFILE; |
782 | req->type = EIO_SENDFILE; |
| 681 | req->sv1 = newSVsv (out_fh); |
783 | req->sv1 = newSVsv (out_fh); |
| 682 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
784 | req->int1 = ofd; |
| 683 | req->sv2 = newSVsv (in_fh); |
785 | req->sv2 = newSVsv (in_fh); |
| 684 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
786 | req->int2 = ifd; |
| 685 | req->offs = SvVAL64 (in_offset); |
787 | req->offs = in_offset; |
| 686 | req->size = length; |
788 | req->size = length; |
| 687 | |
789 | |
| 688 | REQ_SEND; |
790 | REQ_SEND; |
| 689 | } |
791 | } |
| 690 | |
792 | |
| 691 | void |
793 | void |
| 692 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
794 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
| 693 | PROTOTYPE: $$$;$ |
795 | PROTOTYPE: $$$;$ |
| 694 | PPCODE: |
796 | PPCODE: |
| 695 | { |
797 | { |
|
|
798 | int fd = s_fileno_croak (fh, 0); |
| 696 | dREQ; |
799 | dREQ; |
| 697 | |
800 | |
| 698 | req->type = EIO_READAHEAD; |
801 | req->type = EIO_READAHEAD; |
| 699 | req->sv1 = newSVsv (fh); |
802 | req->sv1 = newSVsv (fh); |
| 700 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
803 | req->int1 = fd; |
| 701 | req->offs = SvVAL64 (offset); |
804 | req->offs = offset; |
| 702 | req->size = length; |
805 | req->size = length; |
| 703 | |
806 | |
| 704 | REQ_SEND; |
807 | REQ_SEND; |
| 705 | } |
808 | } |
| 706 | |
809 | |
| … | |
… | |
| 822 | req->type = EIO_FCHOWN; |
925 | req->type = EIO_FCHOWN; |
| 823 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
926 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
| 824 | } |
927 | } |
| 825 | |
928 | |
| 826 | REQ_SEND; |
929 | REQ_SEND; |
|
|
930 | } |
|
|
931 | |
|
|
932 | void |
|
|
933 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
934 | PPCODE: |
|
|
935 | { |
|
|
936 | dREQ; |
|
|
937 | |
|
|
938 | req->type = EIO_READDIR; |
|
|
939 | req->sv1 = newSVsv (pathname); |
|
|
940 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
941 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
942 | |
|
|
943 | if (flags & EIO_READDIR_DENTS) |
|
|
944 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
945 | |
|
|
946 | REQ_SEND; |
| 827 | } |
947 | } |
| 828 | |
948 | |
| 829 | void |
949 | void |
| 830 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
950 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
| 831 | ALIAS: |
951 | ALIAS: |
| … | |
… | |
| 896 | { |
1016 | { |
| 897 | dREQ; |
1017 | dREQ; |
| 898 | |
1018 | |
| 899 | req->type = EIO_GROUP; |
1019 | req->type = EIO_GROUP; |
| 900 | |
1020 | |
| 901 | eio_submit (req); |
1021 | req_submit (req); |
| 902 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1022 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
| 903 | } |
1023 | } |
| 904 | |
1024 | |
| 905 | void |
1025 | void |
| 906 | aio_nop (SV *callback=&PL_sv_undef) |
1026 | aio_nop (SV *callback=&PL_sv_undef) |
| … | |
… | |
| 959 | |
1079 | |
| 960 | int |
1080 | int |
| 961 | poll_fileno() |
1081 | poll_fileno() |
| 962 | PROTOTYPE: |
1082 | PROTOTYPE: |
| 963 | CODE: |
1083 | CODE: |
| 964 | RETVAL = respipe [0]; |
1084 | RETVAL = s_epipe_fd (&respipe); |
| 965 | OUTPUT: |
1085 | OUTPUT: |
| 966 | RETVAL |
1086 | RETVAL |
| 967 | |
1087 | |
| 968 | int |
1088 | int |
| 969 | poll_cb(...) |
1089 | poll_cb(...) |
| … | |
… | |
| 1009 | CODE: |
1129 | CODE: |
| 1010 | RETVAL = eio_nthreads (); |
1130 | RETVAL = eio_nthreads (); |
| 1011 | OUTPUT: |
1131 | OUTPUT: |
| 1012 | RETVAL |
1132 | RETVAL |
| 1013 | |
1133 | |
|
|
1134 | int |
|
|
1135 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1136 | PROTOTYPE: $$$$ |
|
|
1137 | CODE: |
|
|
1138 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1139 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1140 | #else |
|
|
1141 | RETVAL = errno = ENOSYS; |
|
|
1142 | #endif |
|
|
1143 | OUTPUT: |
|
|
1144 | RETVAL |
|
|
1145 | |
|
|
1146 | ssize_t |
|
|
1147 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1148 | PROTOTYPE: $$$$ |
|
|
1149 | CODE: |
|
|
1150 | eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1151 | |
| 1014 | void _on_next_submit (SV *cb) |
1152 | void _on_next_submit (SV *cb) |
| 1015 | CODE: |
1153 | CODE: |
| 1016 | SvREFCNT_dec (on_next_submit); |
1154 | SvREFCNT_dec (on_next_submit); |
| 1017 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1155 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
| 1018 | |
1156 | |
| … | |
… | |
| 1025 | CODE: |
1163 | CODE: |
| 1026 | eio_cancel (req); |
1164 | eio_cancel (req); |
| 1027 | |
1165 | |
| 1028 | void |
1166 | void |
| 1029 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1167 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
| 1030 | CODE: |
1168 | PPCODE: |
|
|
1169 | { |
|
|
1170 | if (GIMME_V != G_VOID) |
|
|
1171 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1172 | |
|
|
1173 | if (items > 1) |
|
|
1174 | { |
|
|
1175 | SV *cb_cv =get_cb (callback); |
|
|
1176 | |
| 1031 | SvREFCNT_dec (req->callback); |
1177 | SvREFCNT_dec (req->callback); |
| 1032 | req->callback = newSVsv (callback); |
1178 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1179 | } |
|
|
1180 | } |
| 1033 | |
1181 | |
| 1034 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1182 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
| 1035 | |
1183 | |
| 1036 | void |
1184 | void |
| 1037 | add (aio_req grp, ...) |
1185 | add (aio_req grp, ...) |
| … | |
… | |
| 1069 | AV *av; |
1217 | AV *av; |
| 1070 | |
1218 | |
| 1071 | grp->errorno = errno; |
1219 | grp->errorno = errno; |
| 1072 | |
1220 | |
| 1073 | av = newAV (); |
1221 | av = newAV (); |
|
|
1222 | av_extend (av, items - 1); |
| 1074 | |
1223 | |
| 1075 | for (i = 1; i < items; ++i ) |
1224 | for (i = 1; i < items; ++i ) |
| 1076 | av_push (av, newSVsv (ST (i))); |
1225 | av_push (av, newSVsv (ST (i))); |
| 1077 | |
1226 | |
| 1078 | SvREFCNT_dec (grp->sv1); |
1227 | SvREFCNT_dec (grp->sv1); |
| … | |
… | |
| 1092 | void |
1241 | void |
| 1093 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1242 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
| 1094 | CODE: |
1243 | CODE: |
| 1095 | { |
1244 | { |
| 1096 | SvREFCNT_dec (grp->sv2); |
1245 | SvREFCNT_dec (grp->sv2); |
| 1097 | grp->sv2 = newSVsv (callback); |
1246 | grp->sv2 = newSVsv (callback); |
|
|
1247 | grp->feed = aio_grp_feed; |
| 1098 | |
1248 | |
| 1099 | if (grp->int2 <= 0) |
1249 | if (grp->int2 <= 0) |
| 1100 | grp->int2 = 2; |
1250 | grp->int2 = 2; |
| 1101 | |
1251 | |
| 1102 | eio_grp_limit (grp, grp->int2); |
1252 | eio_grp_limit (grp, grp->int2); |
