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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.145 by root, Fri Jun 12 16:55:17 2009 UTC vs.
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC

… …
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>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
17 24
18/* perl namespace pollution */ 25/* perl namespace pollution */
19#undef VERSION 26#undef VERSION
20 27
21#ifdef _WIN32 28#ifdef _WIN32
… …
75 82
76#define EIO_STRUCT_STAT Stat_t 83#define EIO_STRUCT_STAT Stat_t
77 84
78/* use NV for 32 bit perls as it allows larger offsets */ 85/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8 86#if IVSIZE >= 8
87# define VAL64 IV
80# define SvVAL64 SvIV 88# define SvVAL64 SvIV
89# define newSVval64 newSViv
81#else 90#else
91# define VAL64 NV
82# define SvVAL64 SvNV 92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
83#endif 94#endif
84 95
85/*****************************************************************************/ 96/*****************************************************************************/
86 97
87#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
95 106
96/*****************************************************************************/ 107/*****************************************************************************/
97 108
98static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */
100 112
101#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 114
104#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
105 SV *callback; \ 116 SV *callback; \
106 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
107 STRLEN stroffset; \ 118 STRLEN stroffset; \
… …
109 120
110#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
111 122
112#include "libeio/eio.h" 123#include "libeio/eio.h"
113 124
125#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#ifndef ST_NODEV
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif
182
183#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON
186# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif
189#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205
206#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif
209
114static int req_invoke (eio_req *req); 210static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 211#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 212static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 213#define EIO_DESTROY(req) req_destroy (req)
118 214
… …
127 223
128static SV *on_next_submit; 224static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 225static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 226static int max_outstanding;
131 227
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 228static s_epipe respipe;
133 229
134static void req_destroy (aio_req req); 230static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 231static void req_cancel (aio_req req);
136 232
137static void want_poll (void) 233static void want_poll (void)
138{ 234{
139 /* write a dummy byte to the pipe so fh becomes ready */ 235 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 236 s_epipe_signal (&respipe);
141} 237}
142 238
143static void done_poll (void) 239static void done_poll (void)
144{ 240{
145 /* read any signals sent by the worker threads */ 241 /* read any signals sent by the worker threads */
146 char buf [4]; 242 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 243}
150 244
151/* must be called at most once */ 245/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 246static SV *req_sv (aio_req req, HV *stash)
153{ 247{
154 if (!req->self) 248 if (!req->self)
155 { 249 {
156 req->self = (SV *)newHV (); 250 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 252 }
159 253
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 255}
162 256
163static aio_req SvAIO_REQ (SV *sv) 257static aio_req SvAIO_REQ (SV *sv)
164{ 258{
165 MAGIC *mg; 259 MAGIC *mg;
166 260
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 261 if (!SvROK (sv)
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 265 croak ("object of class IO::AIO::REQ expected");
169 266
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 268
172 return mg ? (aio_req)mg->mg_ptr : 0; 269 return mg ? (aio_req)mg->mg_ptr : 0;
173} 270}
… …
179 dSP; 276 dSP;
180 277
181 ENTER; 278 ENTER;
182 SAVETMPS; 279 SAVETMPS;
183 PUSHMARK (SP); 280 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 281 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 282 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 283 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 284 SPAGAIN;
188 FREETMPS; 285 FREETMPS;
189 LEAVE; 286 LEAVE;
… …
207 } 304 }
208} 305}
209 306
210static int req_invoke (eio_req *req) 307static int req_invoke (eio_req *req)
211{ 308{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 309 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 310 SvREADONLY_off (req->sv2);
216 311
217 if (!EIO_CANCELLED (req) && req->callback) 312 if (!EIO_CANCELLED (req) && req->callback)
218 { 313 {
314 dSP;
315 static SV *sv_result_cache; /* caches the result integer SV */
316 SV *sv_result;
317
219 ENTER; 318 ENTER;
220 SAVETMPS; 319 SAVETMPS;
221 PUSHMARK (SP); 320 PUSHMARK (SP);
222 EXTEND (SP, 1); 321 EXTEND (SP, 1);
322
323 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache))
325 {
326 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result);
328 }
329 else
330 {
331 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result);
333 }
223 334
224 switch (req->type) 335 switch (req->type)
225 { 336 {
226 case EIO_READDIR: 337 case EIO_READDIR:
227 { 338 {
228 SV *rv = &PL_sv_undef; 339 SV *rv = &PL_sv_undef;
229 340
230 if (req->result >= 0) 341 if (req->result >= 0)
231 { 342 {
232 int i; 343 int i;
233 char *buf = req->ptr2; 344 char *names = (char *)req->ptr2;
345 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 346 AV *av = newAV ();
235 347
236 av_extend (av, req->result - 1); 348 av_extend (av, req->result - 1);
237 349
238 for (i = 0; i < req->result; ++i) 350 for (i = 0; i < req->result; ++i)
239 { 351 {
240 if (req->int1 & EIO_READDIR_DENTS) 352 if (req->int1 & EIO_READDIR_DENTS)
241 { 353 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 354 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 355
245 if (req->int1 & EIO_READDIR_CUSTOM2) 356 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 357 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 358 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 359 AV *avent = newAV ();
… …
262 av_store (av, i, newRV_noinc ((SV *)avent)); 373 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 374 }
264 else 375 else
265 av_store (av, i, namesv); 376 av_store (av, i, namesv);
266 377
267 buf += sizeof (eio_dirent); 378 ++ent;
268 } 379 }
269 else 380 else
270 { 381 {
271 SV *name = newSVpv (buf, 0); 382 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 383 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 384 names += SvCUR (name) + 1;
274 } 385 }
275 } 386 }
276 387
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 388 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 389 }
… …
294 GV *gv = (GV *)sv_newmortal (); 405 GV *gv = (GV *)sv_newmortal ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
296 char sym [64]; 407 char sym [64];
297 int symlen; 408 int symlen;
298 409
299 symlen = snprintf (sym, sizeof (sym), "fd#%u", (unsigned int)req->result); 410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
300 gv_init (gv, stash, sym, symlen, 0); 411 gv_init (gv, aio_stash, sym, symlen, 0);
301 412
302 symlen = snprintf ( 413 symlen = snprintf (
303 sym, 414 sym,
304 sizeof (sym), 415 sizeof (sym),
305 "%s&=%u", 416 "%s&=%d",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 417 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 (unsigned int)req->result 418 (int)req->result
308 ); 419 );
309 420
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 421 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
311 fh = (SV *)gv; 422 fh = (SV *)gv;
312 } 423 }
313 424
314 PUSHs (fh); 425 PUSHs (fh);
315 } 426 }
427 break;
428
429 case EIO_STATVFS:
430 case EIO_FSTATVFS:
431 {
432 SV *rv = &PL_sv_undef;
433
434 if (req->result >= 0)
435 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 HV *hv = newHV ();
438
439 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440
441 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
443 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
444 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
450 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452 }
453
454 PUSHs (rv);
455 }
456
316 break; 457 break;
317 458
318 case EIO_GROUP: 459 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 460 req->int1 = 2; /* mark group as finished */
320 461
… …
342 case EIO_LSTAT: 483 case EIO_LSTAT:
343 case EIO_FSTAT: 484 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
345 PL_laststatval = req->result; 486 PL_laststatval = req->result;
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 PUSHs (sv_2mortal (newSViv (req->result))); 488 PUSHs (sv_result);
348 break; 489 break;
349 490
350 case EIO_READ: 491 case EIO_READ:
351 { 492 {
352 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 493 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
353 *SvEND (req->sv2) = 0; 494 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 495 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 496 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 497 PUSHs (sv_result);
357 } 498 }
358 break; 499 break;
359 500
360 case EIO_DUP2: 501 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
361 if (req->result > 0) 502 if (req->result > 0)
362 req->result = 0; 503 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 504 /* FALLTHROUGH */
364 505
365 default: 506 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 507 PUSHs (sv_result);
367 break; 508 break;
368 } 509 }
369 510
370 errno = req->errorno; 511 errno = req->errorno;
371 512
372 PUTBACK; 513 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 514 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 SPAGAIN; 515 SPAGAIN;
516
517 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
518 SvREFCNT_dec (sv_result);
519 else
520 sv_result_cache = sv_result;
375 521
376 FREETMPS; 522 FREETMPS;
377 LEAVE; 523 LEAVE;
378 524
379 PUTBACK; 525 PUTBACK;
… …
408 grp->sv2 = 0; 554 grp->sv2 = 0;
409 555
410 eio_grp_cancel (grp); 556 eio_grp_cancel (grp);
411} 557}
412 558
413#ifdef USE_SOCKETS_AS_HANDLES
414# define TO_SOCKET(x) (win32_get_osfhandle (x))
415#else
416# define TO_SOCKET(x) (x)
417#endif
418
419static void 559static void
420create_respipe (void) 560create_respipe (void)
421{ 561{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe)) 562 if (s_epipe_renew (&respipe))
431#endif
432 croak ("unable to initialize result pipe"); 563 croak ("IO::AIO: unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455} 564}
456 565
457static void poll_wait (void) 566static void poll_wait (void)
458{ 567{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 568 while (eio_nreqs ())
462 { 569 {
463 int size; 570 int size;
464 571
465 X_LOCK (reslock); 572 X_LOCK (reslock);
… …
469 if (size) 576 if (size)
470 return; 577 return;
471 578
472 etp_maybe_start_thread (); 579 etp_maybe_start_thread ();
473 580
474 FD_ZERO (&rfd); 581 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 582 }
479} 583}
480 584
481static int poll_cb (void) 585static int poll_cb (void)
482{ 586{
… …
497static void atfork_child (void) 601static void atfork_child (void)
498{ 602{
499 create_respipe (); 603 create_respipe ();
500} 604}
501 605
606/*****************************************************************************/
607
608#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif
612
613#define MMAP_MAGIC PERL_MAGIC_ext
614
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{
618 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno;
621
622 mg->mg_obj = 0; /* just in case */
623
624 SvREADONLY_off (sv);
625
626 if (SvPVX (sv) != mg->mg_ptr)
627 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
628
629 SvCUR_set (sv, 0);
630 SvPVX (sv) = 0;
631 SvOK_off (sv);
632
633 return 0;
634}
635
636static MGVTBL mmap_vtbl = {
637 0, 0, 0, 0, mmap_free
638};
639
640/*****************************************************************************/
641
502static SV * 642static SV *
503get_cb (SV *cb_sv) 643get_cb (SV *cb_sv)
504{ 644{
505 HV *st; 645 SvGETMAGIC (cb_sv);
506 GV *gvp; 646 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
507 CV *cv;
508
509 if (!SvOK (cb_sv))
510 return 0;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 647}
519 648
520#define dREQ \ 649#define dREQ \
521 SV *cb_cv; \ 650 SV *cb_cv; \
522 aio_req req; \ 651 aio_req req; \
… …
536 PUTBACK; \ 665 PUTBACK; \
537 req_submit (req); \ 666 req_submit (req); \
538 SPAGAIN; \ 667 SPAGAIN; \
539 \ 668 \
540 if (GIMME_V != G_VOID) \ 669 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 670 XPUSHs (req_sv (req, aio_req_stash));
542
543static int
544extract_fd (SV *fh, int wr)
545{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
547
548 if (fd < 0)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551 return fd;
552}
553 671
554MODULE = IO::AIO PACKAGE = IO::AIO 672MODULE = IO::AIO PACKAGE = IO::AIO
555 673
556PROTOTYPES: ENABLE 674PROTOTYPES: ENABLE
557 675
558BOOT: 676BOOT:
559{ 677{
560 HV *stash = gv_stashpv ("IO::AIO", 1);
561
562 static const struct { 678 static const struct {
563 const char *name; 679 const char *name;
564 IV iv; 680 IV iv;
565 } *civ, const_iv[] = { 681 } *civ, const_iv[] = {
566# define const_iv(name, value) { # name, (IV) value }, 682# define const_niv(name, value) { # name, (IV) value },
683# define const_iv(name) { # name, (IV) name },
567# define const_eio(name) { # name, (IV) EIO_ ## name }, 684# define const_eio(name) { # name, (IV) EIO_ ## name },
568 const_iv (EXDEV , EXDEV) 685 const_iv (EXDEV)
569 const_iv (ENOSYS , ENOSYS) 686 const_iv (ENOSYS)
570 const_iv (O_RDONLY, O_RDONLY) 687 const_iv (O_RDONLY)
571 const_iv (O_WRONLY, O_WRONLY) 688 const_iv (O_WRONLY)
689 const_iv (O_RDWR)
572 const_iv (O_CREAT , O_CREAT) 690 const_iv (O_CREAT)
573 const_iv (O_TRUNC , O_TRUNC) 691 const_iv (O_TRUNC)
692 const_iv (O_EXCL)
693 const_iv (O_APPEND)
574#ifndef _WIN32 694#ifndef _WIN32
575 const_iv (S_IFIFO , S_IFIFO) 695 const_iv (S_IFIFO)
576#endif 696#endif
697 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
698 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
699 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
700 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
701 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
702 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
703
704 const_iv (ST_RDONLY)
705 const_iv (ST_NOSUID)
706 const_iv (ST_NODEV)
707 const_iv (ST_NOEXEC)
708 const_iv (ST_SYNCHRONOUS)
709 const_iv (ST_MANDLOCK)
710 const_iv (ST_WRITE)
711 const_iv (ST_APPEND)
712 const_iv (ST_IMMUTABLE)
713 const_iv (ST_NOATIME)
714 const_iv (ST_NODIRATIME)
715 const_iv (ST_RELATIME)
716
717 const_iv (PROT_EXEC)
718 const_iv (PROT_NONE)
719 const_iv (PROT_READ)
720 const_iv (PROT_WRITE)
721
722 /*const_iv (MAP_FIXED)*/
723 const_iv (MAP_PRIVATE)
724 const_iv (MAP_SHARED)
725 const_iv (MAP_ANONYMOUS)
726
727 /* linuxish */
728 const_iv (MAP_HUGETLB)
729 const_iv (MAP_LOCKED)
730 const_iv (MAP_NORESERVE)
731 const_iv (MAP_POPULATE)
732 const_iv (MAP_NONBLOCK)
733
734 const_iv (MCL_FUTURE)
735 const_iv (MCL_CURRENT)
736
737 const_eio (MS_ASYNC)
738 const_eio (MS_INVALIDATE)
739 const_eio (MS_SYNC)
740
741 const_eio (MT_MODIFY)
742
577 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 743 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578 const_eio (SYNC_FILE_RANGE_WRITE) 744 const_eio (SYNC_FILE_RANGE_WRITE)
579 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 745 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
580 746
581 const_eio (READDIR_DENTS) 747 const_eio (READDIR_DENTS)
… …
592 const_eio (DT_LNK) 758 const_eio (DT_LNK)
593 const_eio (DT_SOCK) 759 const_eio (DT_SOCK)
594 const_eio (DT_WHT) 760 const_eio (DT_WHT)
595 }; 761 };
596 762
763 aio_stash = gv_stashpv ("IO::AIO" , 1);
764 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
765 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
766
597 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 767 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 768 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
769
770 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
599 771
600 create_respipe (); 772 create_respipe ();
601 773
602 if (eio_init (want_poll, done_poll) < 0) 774 if (eio_init (want_poll, done_poll) < 0)
603 croak ("IO::AIO: unable to initialise eio library"); 775 croak ("IO::AIO: unable to initialise eio library");
… …
664 ALIAS: 836 ALIAS:
665 aio_fsync = EIO_FSYNC 837 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 838 aio_fdatasync = EIO_FDATASYNC
667 PPCODE: 839 PPCODE:
668{ 840{
669 int fd = extract_fd (fh, 0); 841 int fd = s_fileno_croak (fh, 0);
670 dREQ; 842 dREQ;
671 843
672 req->type = ix; 844 req->type = ix;
673 req->sv1 = newSVsv (fh); 845 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 846 req->int1 = fd;
675 847
676 REQ_SEND (req); 848 REQ_SEND (req);
677} 849}
678 850
679void 851void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 852aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $$$$;$ 853 PROTOTYPE: $$$$;$
682 PPCODE: 854 PPCODE:
683{ 855{
684 int fd = extract_fd (fh, 0); 856 int fd = s_fileno_croak (fh, 0);
685 dREQ; 857 dREQ;
686 858
687 req->type = EIO_SYNC_FILE_RANGE; 859 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 860 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 861 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 862 req->offs = offset;
691 req->size = SvVAL64 (nbytes); 863 req->size = nbytes;
692 req->int2 = flags; 864 req->int2 = flags;
693 865
694 REQ_SEND (req); 866 REQ_SEND (req);
695} 867}
696 868
… …
698aio_close (SV *fh, SV *callback=&PL_sv_undef) 870aio_close (SV *fh, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $;$ 871 PROTOTYPE: $;$
700 PPCODE: 872 PPCODE:
701{ 873{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 874 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
703 int fd = extract_fd (fh, 0); 875 int fd = s_fileno_croak (fh, 0);
704 dREQ; 876 dREQ;
705 877
706 if (close_pipe < 0) 878 if (close_pipe < 0)
707 { 879 {
708 int pipefd [2]; 880 int pipefd [2];
… …
730 aio_write = EIO_WRITE 902 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$ 903 PROTOTYPE: $$$$$;$
732 PPCODE: 904 PPCODE:
733{ 905{
734 STRLEN svlen; 906 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 907 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 908 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 909 UV len = SvUV (length);
738 910
739 if (dataoffset < 0) 911 if (dataoffset < 0)
740 dataoffset += svlen; 912 dataoffset += svlen;
… …
791 963
792 REQ_SEND; 964 REQ_SEND;
793} 965}
794 966
795void 967void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 968aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
797 PROTOTYPE: $$$$;$ 969 PROTOTYPE: $$$$;$
798 PPCODE: 970 PPCODE:
799{ 971{
800 int ifd = extract_fd (in_fh , 0); 972 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 973 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 974 dREQ;
803 975
804 req->type = EIO_SENDFILE; 976 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 977 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 978 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 979 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 980 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 981 req->offs = in_offset;
810 req->size = length; 982 req->size = length;
811 983
812 REQ_SEND; 984 REQ_SEND;
813} 985}
814 986
815void 987void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 988aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
817 PROTOTYPE: $$$;$ 989 PROTOTYPE: $$$;$
818 PPCODE: 990 PPCODE:
819{ 991{
820 int fd = extract_fd (fh, 0); 992 int fd = s_fileno_croak (fh, 0);
821 dREQ; 993 dREQ;
822 994
823 req->type = EIO_READAHEAD; 995 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 996 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 997 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 998 req->offs = offset;
827 req->size = length; 999 req->size = length;
828 1000
829 REQ_SEND; 1001 REQ_SEND;
830} 1002}
831 1003
832void 1004void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1005aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
834 ALIAS: 1006 ALIAS:
835 aio_stat = EIO_STAT 1007 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1008 aio_lstat = EIO_LSTAT
1009 aio_statvfs = EIO_STATVFS
837 PPCODE: 1010 PPCODE:
838{ 1011{
839 dREQ; 1012 dREQ;
840 1013
841 req->sv1 = newSVsv (fh_or_path); 1014 req->sv1 = newSVsv (fh_or_path);
… …
845 req->type = ix; 1018 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1); 1019 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 } 1020 }
848 else 1021 else
849 { 1022 {
850 req->type = EIO_FSTAT; 1023 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1024 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 } 1025 }
853 1026
854 REQ_SEND; 1027 REQ_SEND;
855} 1028}
… …
1018 1191
1019 REQ_SEND; 1192 REQ_SEND;
1020} 1193}
1021 1194
1022void 1195void
1196aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1197 ALIAS:
1198 aio_mtouch = EIO_MTOUCH
1199 aio_msync = EIO_MSYNC
1200 PROTOTYPE: $$$$;$
1201 PPCODE:
1202{
1203 STRLEN svlen;
1204 UV len = SvUV (length);
1205 char *svptr = SvPVbyte (data, svlen);
1206
1207 if (offset < 0)
1208 offset += svlen;
1209
1210 if (offset < 0 || offset > svlen)
1211 croak ("offset outside of scalar");
1212
1213 if (!SvOK (length) || len + offset > svlen)
1214 len = svlen - offset;
1215
1216 {
1217 dREQ;
1218
1219 req->type = ix;
1220 req->size = len;
1221 req->sv2 = SvREFCNT_inc (data);
1222 req->ptr2 = (char *)svptr + offset;
1223 req->int1 = flags;
1224
1225 REQ_SEND;
1226 }
1227}
1228
1229void
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 1230aio_busy (double delay, SV *callback=&PL_sv_undef)
1024 PPCODE: 1231 PPCODE:
1025{ 1232{
1026 dREQ; 1233 dREQ;
1027 1234
… …
1039 dREQ; 1246 dREQ;
1040 1247
1041 req->type = EIO_GROUP; 1248 req->type = EIO_GROUP;
1042 1249
1043 req_submit (req); 1250 req_submit (req);
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1251 XPUSHs (req_sv (req, aio_grp_stash));
1045} 1252}
1046 1253
1047void 1254void
1048aio_nop (SV *callback=&PL_sv_undef) 1255aio_nop (SV *callback=&PL_sv_undef)
1049 ALIAS: 1256 ALIAS:
… …
1101 1308
1102int 1309int
1103poll_fileno() 1310poll_fileno()
1104 PROTOTYPE: 1311 PROTOTYPE:
1105 CODE: 1312 CODE:
1106 RETVAL = respipe [0]; 1313 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 1314 OUTPUT:
1108 RETVAL 1315 RETVAL
1109 1316
1110int 1317int
1111poll_cb(...) 1318poll_cb(...)
… …
1151 CODE: 1358 CODE:
1152 RETVAL = eio_nthreads (); 1359 RETVAL = eio_nthreads ();
1153 OUTPUT: 1360 OUTPUT:
1154 RETVAL 1361 RETVAL
1155 1362
1363int
1364fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1365 PROTOTYPE: $$$$
1366 CODE:
1367#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368 RETVAL = posix_fadvise (fh, offset, length, advice);
1369#else
1370 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371#endif
1372 OUTPUT:
1373 RETVAL
1374
1375ssize_t
1376sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377 PROTOTYPE: $$$$
1378 CODE:
1379 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380 OUTPUT:
1381 RETVAL
1382
1383void
1384mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1385 PROTOTYPE: $$$$$;$
1386 PPCODE:
1387 sv_unmagic (scalar, MMAP_MAGIC);
1388{
1389 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1390 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1391 if (addr == (void *)-1)
1392 XSRETURN_NO;
1393
1394 sv_force_normal (scalar);
1395
1396 /* we store the length in mg_obj, as namlen is I32 :/ */
1397 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1398 ->mg_obj = (SV *)length;
1399
1400 SvUPGRADE (scalar, SVt_PV); /* nop... */
1401
1402 if (!(prot & PROT_WRITE))
1403 SvREADONLY_on (scalar);
1404
1405 if (SvLEN (scalar))
1406 Safefree (SvPVX (scalar));
1407
1408 SvPVX (scalar) = (char *)addr;
1409 SvCUR_set (scalar, length);
1410 SvLEN_set (scalar, 0);
1411 SvPOK_only (scalar);
1412
1413 XSRETURN_YES;
1414}
1415
1416void
1417munmap (SV *scalar)
1418 PROTOTYPE: $
1419 CODE:
1420 sv_unmagic (scalar, MMAP_MAGIC);
1421
1422int
1423mlockall (int flags)
1424 PROTOTYPE: $
1425 CODE:
1426#if _POSIX_MEMLOCK
1427#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1428 extern int mallopt (int, int);
1429 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1430#endif
1431 mlockall (flags);
1432#else
1433 RETVAL = -1;
1434 errno = ENOSYS;
1435#endif
1436 OUTPUT:
1437 RETVAL
1438
1439int
1440munlockall ()
1441 PROTOTYPE:
1442 CODE:
1443#if _POSIX_MEMLOCK
1444 munlockall ();
1445#else
1446 RETVAL = -1;
1447 errno = ENOSYS;
1448#endif
1449 OUTPUT:
1450 RETVAL
1451
1156void _on_next_submit (SV *cb) 1452void _on_next_submit (SV *cb)
1157 CODE: 1453 CODE:
1158 SvREFCNT_dec (on_next_submit); 1454 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1455 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 1456
… …
1174 if (GIMME_V != G_VOID) 1470 if (GIMME_V != G_VOID)
1175 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1471 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176 1472
1177 if (items > 1) 1473 if (items > 1)
1178 { 1474 {
1179 SV *cb_cv = get_cb (callback); 1475 SV *cb_cv =get_cb (callback);
1180 1476
1181 SvREFCNT_dec (req->callback); 1477 SvREFCNT_dec (req->callback);
1182 req->callback = SvREFCNT_inc (cb_cv); 1478 req->callback = SvREFCNT_inc (cb_cv);
1183 } 1479 }
1184} 1480}

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