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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs.
Revision 1.159 by root, Thu Jan 7 18:08:21 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>
17 20
18/* perl namespace pollution */ 21/* perl namespace pollution */
65# include <signal.h> 68# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent 69# define EIO_STRUCT_DIRENT struct dirent
67 70
68#endif 71#endif
69 72
73/* perl stupidly overrides readdir and maybe others */
74/* with thread-unsafe versions, imagine that :( */
75#undef readdir
76#undef opendir
77#undef closedir
78
70#define EIO_STRUCT_STAT Stat_t 79#define EIO_STRUCT_STAT Stat_t
71 80
72/* use NV for 32 bit perls as it allows larger offsets */ 81/* use NV for 32 bit perls as it allows larger offsets */
73#if IVSIZE >= 8 82#if IVSIZE >= 8
83# define VAL64 IV
74# define SvVAL64 SvIV 84# define SvVAL64 SvIV
85# define newSVval64 newSViv
75#else 86#else
87# define VAL64 NV
76# define SvVAL64 SvNV 88# define SvVAL64 SvNV
89# define newSVval64 newSVnv
77#endif 90#endif
78 91
79static HV *stash; 92/*****************************************************************************/
93
94#if __GNUC__ >= 3
95# define expect(expr,value) __builtin_expect ((expr),(value))
96#else
97# define expect(expr,value) (expr)
98#endif
99
100#define expect_false(expr) expect ((expr) != 0, 0)
101#define expect_true(expr) expect ((expr) != 0, 1)
102
103/*****************************************************************************/
104
80typedef SV SV8; /* byte-sv, used for argument-checking */ 105typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */
81 108
82#define AIO_REQ_KLASS "IO::AIO::REQ" 109static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
83#define AIO_GRP_KLASS "IO::AIO::GRP"
84 110
85#define EIO_REQ_MEMBERS \ 111#define EIO_REQ_MEMBERS \
86 SV *callback; \ 112 SV *callback; \
87 SV *sv1, *sv2; \ 113 SV *sv1, *sv2; \
88 STRLEN stroffset; \ 114 STRLEN stroffset; \
90 116
91#define EIO_NO_WRAPPERS 1 117#define EIO_NO_WRAPPERS 1
92 118
93#include "libeio/eio.h" 119#include "libeio/eio.h"
94 120
121#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1
124#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0
128#endif
129
130#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0
132#endif
133
134#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0
136#endif
137
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141
142#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0
144#endif
145
146#ifndef ST_NODEV
147# define ST_NODEV 0
148#endif
149
150#ifndef ST_NOEXEC
151# define ST_NOEXEC 0
152#endif
153
154#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0
156#endif
157
158#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0
160#endif
161
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165
166#ifndef ST_APPEND
167# define ST_APPEND 0
168#endif
169
170#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0
172#endif
173
174#ifndef ST_NOATIME
175# define ST_NOATIME 0
176#endif
177
178#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0
180#endif
181
182#ifndef ST_RELATIME
183# define ST_RELATIME 0
184#endif
185
95static int req_invoke (eio_req *req); 186static int req_invoke (eio_req *req);
96#define EIO_FINISH(req) req_invoke (req) 187#define EIO_FINISH(req) req_invoke (req)
97static void aio_grp_feed (eio_req *grp);
98#define EIO_FEED(req) aio_grp_feed (req)
99static void req_destroy (eio_req *grp); 188static void req_destroy (eio_req *grp);
100#define EIO_DESTROY(req) req_destroy (req) 189#define EIO_DESTROY(req) req_destroy (req)
101 190
102enum { 191enum {
103 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 192 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
110 199
111static SV *on_next_submit; 200static SV *on_next_submit;
112static int next_pri = EIO_PRI_DEFAULT; 201static int next_pri = EIO_PRI_DEFAULT;
113static int max_outstanding; 202static int max_outstanding;
114 203
115static int respipe_osf [2], respipe [2] = { -1, -1 }; 204static s_epipe respipe;
116 205
117static void req_destroy (aio_req req); 206static void req_destroy (aio_req req);
118static void req_cancel (aio_req req); 207static void req_cancel (aio_req req);
119 208
120static void want_poll (void) 209static void want_poll (void)
121{ 210{
122 /* write a dummy byte to the pipe so fh becomes ready */ 211 /* write a dummy byte to the pipe so fh becomes ready */
123 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 212 s_epipe_signal (&respipe);
124} 213}
125 214
126static void done_poll (void) 215static void done_poll (void)
127{ 216{
128 /* read any signals sent by the worker threads */ 217 /* read any signals sent by the worker threads */
129 char buf [4]; 218 s_epipe_drain (&respipe);
130 while (respipe_read (respipe [0], buf, 4) == 4)
131 ;
132} 219}
133 220
134/* must be called at most once */ 221/* must be called at most once */
135static SV *req_sv (aio_req req, const char *klass) 222static SV *req_sv (aio_req req, HV *stash)
136{ 223{
137 if (!req->self) 224 if (!req->self)
138 { 225 {
139 req->self = (SV *)newHV (); 226 req->self = (SV *)newHV ();
140 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 227 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141 } 228 }
142 229
143 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 230 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144} 231}
145 232
146static aio_req SvAIO_REQ (SV *sv) 233static aio_req SvAIO_REQ (SV *sv)
147{ 234{
148 MAGIC *mg; 235 MAGIC *mg;
149 236
150 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 237 if (!SvROK (sv)
238 || (SvSTASH (SvRV (sv)) != aio_grp_stash
239 && SvSTASH (SvRV (sv)) != aio_req_stash
240 && !sv_derived_from (sv, "IO::AIO::REQ")))
151 croak ("object of class " AIO_REQ_KLASS " expected"); 241 croak ("object of class IO::AIO::REQ expected");
152 242
153 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 243 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154 244
155 return mg ? (aio_req)mg->mg_ptr : 0; 245 return mg ? (aio_req)mg->mg_ptr : 0;
156} 246}
162 dSP; 252 dSP;
163 253
164 ENTER; 254 ENTER;
165 SAVETMPS; 255 SAVETMPS;
166 PUSHMARK (SP); 256 PUSHMARK (SP);
167 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 257 XPUSHs (req_sv (grp, aio_grp_stash));
168 PUTBACK; 258 PUTBACK;
169 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 259 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
170 SPAGAIN; 260 SPAGAIN;
171 FREETMPS; 261 FREETMPS;
172 LEAVE; 262 LEAVE;
175 265
176static void req_submit (eio_req *req) 266static void req_submit (eio_req *req)
177{ 267{
178 eio_submit (req); 268 eio_submit (req);
179 269
180 if (on_next_submit) 270 if (expect_false (on_next_submit))
181 { 271 {
182 dSP; 272 dSP;
183 SV *cb = sv_2mortal (on_next_submit); 273 SV *cb = sv_2mortal (on_next_submit);
184 274
185 on_next_submit = 0; 275 on_next_submit = 0;
195 dSP; 285 dSP;
196 286
197 if (req->flags & FLAG_SV2_RO_OFF) 287 if (req->flags & FLAG_SV2_RO_OFF)
198 SvREADONLY_off (req->sv2); 288 SvREADONLY_off (req->sv2);
199 289
200 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 290 if (!EIO_CANCELLED (req) && req->callback)
201 { 291 {
202 ENTER; 292 ENTER;
203 SAVETMPS; 293 SAVETMPS;
204 PUSHMARK (SP); 294 PUSHMARK (SP);
205 EXTEND (SP, 1); 295 EXTEND (SP, 1);
211 SV *rv = &PL_sv_undef; 301 SV *rv = &PL_sv_undef;
212 302
213 if (req->result >= 0) 303 if (req->result >= 0)
214 { 304 {
215 int i; 305 int i;
216 char *buf = req->ptr2; 306 char *names = (char *)req->ptr2;
307 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
217 AV *av = newAV (); 308 AV *av = newAV ();
218 309
219 av_extend (av, req->result - 1); 310 av_extend (av, req->result - 1);
220 311
221 for (i = 0; i < req->result; ++i) 312 for (i = 0; i < req->result; ++i)
222 { 313 {
223 SV *sv = newSVpv (buf, 0); 314 if (req->int1 & EIO_READDIR_DENTS)
315 {
316 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224 317
318 if (req->int1 & EIO_READDIR_CUSTOM2)
319 {
320 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
321 AV *avent = newAV ();
322
323 av_extend (avent, 2);
324
325 if (!sv_type [ent->type])
326 {
327 sv_type [ent->type] = newSViv (ent->type);
328 SvREADONLY_on (sv_type [ent->type]);
329 }
330
331 av_store (avent, 0, namesv);
332 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
333 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
334
335 av_store (av, i, newRV_noinc ((SV *)avent));
336 }
337 else
225 av_store (av, i, sv); 338 av_store (av, i, namesv);
339
340 ++ent;
341 }
342 else
343 {
344 SV *name = newSVpv (names, 0);
345 av_store (av, i, name);
226 buf += SvCUR (sv) + 1; 346 names += SvCUR (name) + 1;
347 }
227 } 348 }
228 349
229 rv = sv_2mortal (newRV_noinc ((SV *)av)); 350 rv = sv_2mortal (newRV_noinc ((SV *)av));
230 } 351 }
231 352
232 PUSHs (rv); 353 PUSHs (rv);
354
355 if (req->int1 & EIO_READDIR_CUSTOM1)
356 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
233 } 357 }
234 break; 358 break;
235 359
236 case EIO_OPEN: 360 case EIO_OPEN:
237 { 361 {
243 GV *gv = (GV *)sv_newmortal (); 367 GV *gv = (GV *)sv_newmortal ();
244 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 368 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
245 char sym [64]; 369 char sym [64];
246 int symlen; 370 int symlen;
247 371
248 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 372 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249 gv_init (gv, stash, sym, symlen, 0); 373 gv_init (gv, aio_stash, sym, symlen, 0);
250 374
251 symlen = snprintf ( 375 symlen = snprintf (
252 sym, 376 sym,
253 sizeof (sym), 377 sizeof (sym),
254 "%s&=%d", 378 "%s&=%d",
255 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 379 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256 req->result 380 (int)req->result
257 ); 381 );
258 382
259 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 383 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260 fh = (SV *)gv; 384 fh = (SV *)gv;
261 } 385 }
262 386
263 PUSHs (fh); 387 PUSHs (fh);
264 } 388 }
389 break;
390
391 case EIO_STATVFS:
392 case EIO_FSTATVFS:
393 {
394 SV *rv = &PL_sv_undef;
395
396 if (req->result >= 0)
397 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV ();
400
401 rv = sv_2mortal (newRV_noinc (hv));
402
403 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
407 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
408 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
409 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
410 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
412 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414 }
415
416 PUSHs (rv);
417 }
418
265 break; 419 break;
266 420
267 case EIO_GROUP: 421 case EIO_GROUP:
268 req->int1 = 2; /* mark group as finished */ 422 req->int1 = 2; /* mark group as finished */
269 423
295 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
296 PUSHs (sv_2mortal (newSViv (req->result))); 450 PUSHs (sv_2mortal (newSViv (req->result)));
297 break; 451 break;
298 452
299 case EIO_READ: 453 case EIO_READ:
454 {
300 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 455 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301 *SvEND (req->sv2) = 0; 456 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2);
302 PUSHs (sv_2mortal (newSViv (req->result))); 459 PUSHs (sv_2mortal (newSViv (req->result)));
460 }
303 break; 461 break;
304 462
305 case EIO_DUP2: 463 case EIO_DUP2:
306 if (req->result > 0) 464 if (req->result > 0)
307 req->result = 0; 465 req->result = 0;
353 grp->sv2 = 0; 511 grp->sv2 = 0;
354 512
355 eio_grp_cancel (grp); 513 eio_grp_cancel (grp);
356} 514}
357 515
358#ifdef USE_SOCKETS_AS_HANDLES
359# define TO_SOCKET(x) (win32_get_osfhandle (x))
360#else
361# define TO_SOCKET(x) (x)
362#endif
363
364static void 516static void
365create_respipe (void) 517create_respipe (void)
366{ 518{
367 int old_readfd = respipe [0];
368
369 if (respipe [1] >= 0)
370 respipe_close (TO_SOCKET (respipe [1]));
371
372#ifdef _WIN32
373 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374#else
375 if (pipe (respipe)) 519 if (s_epipe_renew (&respipe))
376#endif
377 croak ("unable to initialize result pipe"); 520 croak ("IO::AIO: unable to initialize result pipe");
378
379 if (old_readfd >= 0)
380 {
381 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382 croak ("unable to initialize result pipe(2)");
383
384 respipe_close (respipe [0]);
385 respipe [0] = old_readfd;
386 }
387
388#ifdef _WIN32
389 int arg = 1;
390 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392#else
393 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395#endif
396 croak ("unable to initialize result pipe(3)");
397
398 respipe_osf [0] = TO_SOCKET (respipe [0]);
399 respipe_osf [1] = TO_SOCKET (respipe [1]);
400} 521}
401 522
402static void poll_wait (void) 523static void poll_wait (void)
403{ 524{
404 fd_set rfd;
405
406 while (eio_nreqs ()) 525 while (eio_nreqs ())
407 { 526 {
408 int size; 527 int size;
409 528
410 X_LOCK (reslock); 529 X_LOCK (reslock);
412 X_UNLOCK (reslock); 531 X_UNLOCK (reslock);
413 532
414 if (size) 533 if (size)
415 return; 534 return;
416 535
417 maybe_start_thread (); 536 etp_maybe_start_thread ();
418 537
419 FD_ZERO (&rfd); 538 s_epipe_wait (&respipe);
420 FD_SET (respipe [0], &rfd);
421
422 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423 } 539 }
424} 540}
425 541
426static int poll_cb (void) 542static int poll_cb (void)
427{ 543{
428 int res; 544 for (;;)
429
430 do
431 { 545 {
432 res = eio_poll (); 546 int res = eio_poll ();
433 547
434 if (res > 0) 548 if (res > 0)
435 croak (0); 549 croak (0);
550
551 if (!max_outstanding || max_outstanding > eio_nreqs ())
552 return res;
553
554 poll_wait ();
436 } 555 }
437 while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439 return res;
440} 556}
441 557
442static void atfork_child (void) 558static void atfork_child (void)
443{ 559{
444 create_respipe (); 560 create_respipe ();
445} 561}
446 562
563static SV *
564get_cb (SV *cb_sv)
565{
566 SvGETMAGIC (cb_sv);
567 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568}
569
447#define dREQ \ 570#define dREQ \
571 SV *cb_cv; \
448 aio_req req; \ 572 aio_req req; \
449 int req_pri = next_pri; \ 573 int req_pri = next_pri; \
450 next_pri = EIO_PRI_DEFAULT; \ 574 next_pri = EIO_PRI_DEFAULT; \
451 \ 575 \
452 if (SvOK (callback) && !SvROK (callback)) \ 576 cb_cv = get_cb (callback); \
453 croak ("callback must be undef or of reference type"); \
454 \ 577 \
455 Newz (0, req, 1, eio_req); \ 578 Newz (0, req, 1, eio_req); \
456 if (!req) \ 579 if (!req) \
457 croak ("out of memory during eio_req allocation"); \ 580 croak ("out of memory during eio_req allocation"); \
458 \ 581 \
459 req->callback = newSVsv (callback); \ 582 req->callback = SvREFCNT_inc (cb_cv); \
460 req->pri = req_pri 583 req->pri = req_pri
461 584
462#define REQ_SEND \ 585#define REQ_SEND \
586 PUTBACK; \
463 req_submit (req); \ 587 req_submit (req); \
588 SPAGAIN; \
464 \ 589 \
465 if (GIMME_V != G_VOID) \ 590 if (GIMME_V != G_VOID) \
466 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 591 XPUSHs (req_sv (req, aio_req_stash));
467 592
468MODULE = IO::AIO PACKAGE = IO::AIO 593MODULE = IO::AIO PACKAGE = IO::AIO
469 594
470PROTOTYPES: ENABLE 595PROTOTYPES: ENABLE
471 596
472BOOT: 597BOOT:
473{ 598{
474 stash = gv_stashpv ("IO::AIO", 1); 599 static const struct {
475 600 const char *name;
476 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 601 IV iv;
477 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 602 } *civ, const_iv[] = {
478 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 603# define const_iv(name, value) { # name, (IV) value },
479 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 604# define const_eio(name) { # name, (IV) EIO_ ## name },
480 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 605 const_iv (EXDEV , EXDEV)
606 const_iv (ENOSYS , ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY)
609 const_iv (O_CREAT , O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC)
481#ifndef _WIN32 611#ifndef _WIN32
482 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 612 const_iv (S_IFIFO , S_IFIFO)
483#endif 613#endif
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
484 620
621 const_iv (ST_RDONLY , ST_RDONLY)
622 const_iv (ST_NOSUID , ST_NOSUID)
623 const_iv (ST_NODEV , ST_NODEV)
624 const_iv (ST_NOEXEC , ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME)
633
634 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC)
637
638 const_eio (MT_MODIFY)
639
640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641 const_eio (SYNC_FILE_RANGE_WRITE)
642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
643
644 const_eio (READDIR_DENTS)
645 const_eio (READDIR_DIRS_FIRST)
646 const_eio (READDIR_STAT_ORDER)
647 const_eio (READDIR_FOUND_UNKNOWN)
648
649 const_eio (DT_UNKNOWN)
650 const_eio (DT_FIFO)
651 const_eio (DT_CHR)
652 const_eio (DT_DIR)
653 const_eio (DT_BLK)
654 const_eio (DT_REG)
655 const_eio (DT_LNK)
656 const_eio (DT_SOCK)
657 const_eio (DT_WHT)
658 };
659
660 aio_stash = gv_stashpv ("IO::AIO" , 1);
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666
485 create_respipe (); 667 create_respipe ();
486 668
487 if (eio_init (want_poll, done_poll) < 0) 669 if (eio_init (want_poll, done_poll) < 0)
488 croak ("IO::AIO: unable to initialise eio library"); 670 croak ("IO::AIO: unable to initialise eio library");
489 671
490 /* atfork child called in fifo order, so before eio's handler */ 672 /* atfork child called in fifo order, so before eio's handler */
491 X_THREAD_ATFORK (0, 0, atfork_child); 673 X_THREAD_ATFORK (0, 0, atfork_child);
492} 674}
493 675
494void 676void
495max_poll_reqs (int nreqs) 677max_poll_reqs (int nreqs)
496 PROTOTYPE: $ 678 PROTOTYPE: $
549 ALIAS: 731 ALIAS:
550 aio_fsync = EIO_FSYNC 732 aio_fsync = EIO_FSYNC
551 aio_fdatasync = EIO_FDATASYNC 733 aio_fdatasync = EIO_FDATASYNC
552 PPCODE: 734 PPCODE:
553{ 735{
736 int fd = s_fileno_croak (fh, 0);
554 dREQ; 737 dREQ;
555 738
556 req->type = ix; 739 req->type = ix;
557 req->sv1 = newSVsv (fh); 740 req->sv1 = newSVsv (fh);
558 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 741 req->int1 = fd;
742
743 REQ_SEND (req);
744}
745
746void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE:
750{
751 int fd = s_fileno_croak (fh, 0);
752 dREQ;
753
754 req->type = EIO_SYNC_FILE_RANGE;
755 req->sv1 = newSVsv (fh);
756 req->int1 = fd;
757 req->offs = offset;
758 req->size = nbytes;
759 req->int2 = flags;
559 760
560 REQ_SEND (req); 761 REQ_SEND (req);
561} 762}
562 763
563void 764void
564aio_close (SV *fh, SV *callback=&PL_sv_undef) 765aio_close (SV *fh, SV *callback=&PL_sv_undef)
565 PROTOTYPE: $;$ 766 PROTOTYPE: $;$
566 PPCODE: 767 PPCODE:
567{ 768{
568 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0);
569 dREQ; 771 dREQ;
570 772
571 if (close_pipe < 0) 773 if (close_pipe < 0)
572 { 774 {
573 int pipefd [2]; 775 int pipefd [2];
581 } 783 }
582 784
583 req->type = EIO_DUP2; 785 req->type = EIO_DUP2;
584 req->int1 = close_pipe; 786 req->int1 = close_pipe;
585 req->sv2 = newSVsv (fh); 787 req->sv2 = newSVsv (fh);
586 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 788 req->int2 = fd;
587 789
588 REQ_SEND (req); 790 REQ_SEND (req);
589} 791}
590 792
591void 793void
595 aio_write = EIO_WRITE 797 aio_write = EIO_WRITE
596 PROTOTYPE: $$$$$;$ 798 PROTOTYPE: $$$$$;$
597 PPCODE: 799 PPCODE:
598{ 800{
599 STRLEN svlen; 801 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600 char *svptr = SvPVbyte (data, svlen); 803 char *svptr = SvPVbyte (data, svlen);
601 UV len = SvUV (length); 804 UV len = SvUV (length);
602
603 SvUPGRADE (data, SVt_PV);
604 SvPOK_on (data);
605 805
606 if (dataoffset < 0) 806 if (dataoffset < 0)
607 dataoffset += svlen; 807 dataoffset += svlen;
608 808
609 if (dataoffset < 0 || dataoffset > svlen) 809 if (dataoffset < 0 || dataoffset > svlen)
615 if (!SvOK (length) || len + dataoffset > svlen) 815 if (!SvOK (length) || len + dataoffset > svlen)
616 len = svlen - dataoffset; 816 len = svlen - dataoffset;
617 } 817 }
618 else 818 else
619 { 819 {
620 /* read: grow scalar as necessary */ 820 /* read: check type and grow scalar as necessary */
821 SvUPGRADE (data, SVt_PV);
621 svptr = SvGROW (data, len + dataoffset + 1); 822 svptr = SvGROW (data, len + dataoffset + 1);
622 } 823 }
623
624 if (len < 0)
625 croak ("length must not be negative");
626 824
627 { 825 {
628 dREQ; 826 dREQ;
629 827
630 req->type = ix; 828 req->type = ix;
631 req->sv1 = newSVsv (fh); 829 req->sv1 = newSVsv (fh);
632 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 830 req->int1 = fd;
633 : IoOFP (sv_2io (fh)));
634 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 831 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635 req->size = len; 832 req->size = len;
636 req->sv2 = SvREFCNT_inc (data); 833 req->sv2 = SvREFCNT_inc (data);
637 req->ptr2 = (char *)svptr + dataoffset; 834 req->ptr2 = (char *)svptr + dataoffset;
638 req->stroffset = dataoffset; 835 req->stroffset = dataoffset;
661 858
662 REQ_SEND; 859 REQ_SEND;
663} 860}
664 861
665void 862void
666aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667 PROTOTYPE: $$$$;$ 864 PROTOTYPE: $$$$;$
668 PPCODE: 865 PPCODE:
669{ 866{
867 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1);
670 dREQ; 869 dREQ;
671 870
672 req->type = EIO_SENDFILE; 871 req->type = EIO_SENDFILE;
673 req->sv1 = newSVsv (out_fh); 872 req->sv1 = newSVsv (out_fh);
674 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 873 req->int1 = ofd;
675 req->sv2 = newSVsv (in_fh); 874 req->sv2 = newSVsv (in_fh);
676 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 875 req->int2 = ifd;
677 req->offs = SvVAL64 (in_offset); 876 req->offs = in_offset;
678 req->size = length; 877 req->size = length;
679 878
680 REQ_SEND; 879 REQ_SEND;
681} 880}
682 881
683void 882void
684aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
685 PROTOTYPE: $$$;$ 884 PROTOTYPE: $$$;$
686 PPCODE: 885 PPCODE:
687{ 886{
887 int fd = s_fileno_croak (fh, 0);
688 dREQ; 888 dREQ;
689 889
690 req->type = EIO_READAHEAD; 890 req->type = EIO_READAHEAD;
691 req->sv1 = newSVsv (fh); 891 req->sv1 = newSVsv (fh);
692 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 892 req->int1 = fd;
693 req->offs = SvVAL64 (offset); 893 req->offs = offset;
694 req->size = length; 894 req->size = length;
695 895
696 REQ_SEND; 896 REQ_SEND;
697} 897}
698 898
699void 899void
700aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 900aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
701 ALIAS: 901 ALIAS:
702 aio_stat = EIO_STAT 902 aio_stat = EIO_STAT
703 aio_lstat = EIO_LSTAT 903 aio_lstat = EIO_LSTAT
904 aio_statvfs = EIO_STATVFS
704 PPCODE: 905 PPCODE:
705{ 906{
706 dREQ; 907 dREQ;
707 908
708 req->sv1 = newSVsv (fh_or_path); 909 req->sv1 = newSVsv (fh_or_path);
712 req->type = ix; 913 req->type = ix;
713 req->ptr1 = SvPVbyte_nolen (req->sv1); 914 req->ptr1 = SvPVbyte_nolen (req->sv1);
714 } 915 }
715 else 916 else
716 { 917 {
717 req->type = EIO_FSTAT; 918 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
718 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 919 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719 } 920 }
720 921
721 REQ_SEND; 922 REQ_SEND;
722} 923}
814 req->type = EIO_FCHOWN; 1015 req->type = EIO_FCHOWN;
815 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1016 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816 } 1017 }
817 1018
818 REQ_SEND; 1019 REQ_SEND;
1020}
1021
1022void
1023aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1024 PPCODE:
1025{
1026 dREQ;
1027
1028 req->type = EIO_READDIR;
1029 req->sv1 = newSVsv (pathname);
1030 req->ptr1 = SvPVbyte_nolen (req->sv1);
1031 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1032
1033 if (flags & EIO_READDIR_DENTS)
1034 req->int1 |= EIO_READDIR_CUSTOM2;
1035
1036 REQ_SEND;
819} 1037}
820 1038
821void 1039void
822aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1040aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
823 ALIAS: 1041 ALIAS:
868 1086
869 REQ_SEND; 1087 REQ_SEND;
870} 1088}
871 1089
872void 1090void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS:
1093 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE:
1097{
1098 STRLEN svlen;
1099 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101
1102 if (offset < 0)
1103 offset += svlen;
1104
1105 if (offset < 0 || offset > svlen)
1106 croak ("offset outside of scalar");
1107
1108 if (!SvOK (length) || len + offset > svlen)
1109 len = svlen - offset;
1110
1111 {
1112 dREQ;
1113
1114 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset;
1118 req->int1 = flags;
1119
1120 REQ_SEND;
1121 }
1122}
1123
1124void
873aio_busy (double delay, SV *callback=&PL_sv_undef) 1125aio_busy (double delay, SV *callback=&PL_sv_undef)
874 PPCODE: 1126 PPCODE:
875{ 1127{
876 dREQ; 1128 dREQ;
877 1129
888{ 1140{
889 dREQ; 1141 dREQ;
890 1142
891 req->type = EIO_GROUP; 1143 req->type = EIO_GROUP;
892 1144
893 eio_submit (req); 1145 req_submit (req);
894 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1146 XPUSHs (req_sv (req, aio_grp_stash));
895} 1147}
896 1148
897void 1149void
898aio_nop (SV *callback=&PL_sv_undef) 1150aio_nop (SV *callback=&PL_sv_undef)
899 ALIAS: 1151 ALIAS:
951 1203
952int 1204int
953poll_fileno() 1205poll_fileno()
954 PROTOTYPE: 1206 PROTOTYPE:
955 CODE: 1207 CODE:
956 RETVAL = respipe [0]; 1208 RETVAL = s_epipe_fd (&respipe);
957 OUTPUT: 1209 OUTPUT:
958 RETVAL 1210 RETVAL
959 1211
960int 1212int
961poll_cb(...) 1213poll_cb(...)
1001 CODE: 1253 CODE:
1002 RETVAL = eio_nthreads (); 1254 RETVAL = eio_nthreads ();
1003 OUTPUT: 1255 OUTPUT:
1004 RETVAL 1256 RETVAL
1005 1257
1258int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT:
1268 RETVAL
1269
1270ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT:
1276 RETVAL
1277
1006void _on_next_submit (SV *cb) 1278void _on_next_submit (SV *cb)
1007 CODE: 1279 CODE:
1008 SvREFCNT_dec (on_next_submit); 1280 SvREFCNT_dec (on_next_submit);
1009 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010 1282
1017 CODE: 1289 CODE:
1018 eio_cancel (req); 1290 eio_cancel (req);
1019 1291
1020void 1292void
1021cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1293cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022 CODE: 1294 PPCODE:
1295{
1296 if (GIMME_V != G_VOID)
1297 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1298
1299 if (items > 1)
1300 {
1301 SV *cb_cv =get_cb (callback);
1302
1023 SvREFCNT_dec (req->callback); 1303 SvREFCNT_dec (req->callback);
1024 req->callback = newSVsv (callback); 1304 req->callback = SvREFCNT_inc (cb_cv);
1305 }
1306}
1025 1307
1026MODULE = IO::AIO PACKAGE = IO::AIO::GRP 1308MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027 1309
1028void 1310void
1029add (aio_req grp, ...) 1311add (aio_req grp, ...)
1061 AV *av; 1343 AV *av;
1062 1344
1063 grp->errorno = errno; 1345 grp->errorno = errno;
1064 1346
1065 av = newAV (); 1347 av = newAV ();
1348 av_extend (av, items - 1);
1066 1349
1067 for (i = 1; i < items; ++i ) 1350 for (i = 1; i < items; ++i )
1068 av_push (av, newSVsv (ST (i))); 1351 av_push (av, newSVsv (ST (i)));
1069 1352
1070 SvREFCNT_dec (grp->sv1); 1353 SvREFCNT_dec (grp->sv1);
1084void 1367void
1085feed (aio_req grp, SV *callback=&PL_sv_undef) 1368feed (aio_req grp, SV *callback=&PL_sv_undef)
1086 CODE: 1369 CODE:
1087{ 1370{
1088 SvREFCNT_dec (grp->sv2); 1371 SvREFCNT_dec (grp->sv2);
1089 grp->sv2 = newSVsv (callback); 1372 grp->sv2 = newSVsv (callback);
1373 grp->feed = aio_grp_feed;
1090 1374
1091 if (grp->int2 <= 0) 1375 if (grp->int2 <= 0)
1092 grp->int2 = 2; 1376 grp->int2 = 2;
1093 1377
1094 eio_grp_limit (grp, grp->int2); 1378 eio_grp_limit (grp, grp->int2);

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