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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.115 by root, Sat May 10 18:06:41 2008 UTC vs.
Revision 1.171 by root, Wed Aug 4 17:16:19 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
24
25/* perl namespace pollution */
26#undef VERSION
17 27
18#ifdef _WIN32 28#ifdef _WIN32
19 29
20# define EIO_STRUCT_DIRENT Direntry_t 30# define EIO_STRUCT_DIRENT Direntry_t
21# undef malloc 31# undef malloc
62# include <signal.h> 72# include <signal.h>
63# define EIO_STRUCT_DIRENT struct dirent 73# define EIO_STRUCT_DIRENT struct dirent
64 74
65#endif 75#endif
66 76
77/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */
79#undef readdir
80#undef opendir
81#undef closedir
82
67#define EIO_STRUCT_STAT Stat_t 83#define EIO_STRUCT_STAT Stat_t
68 84
69/* use NV for 32 bit perls as it allows larger offsets */ 85/* use NV for 32 bit perls as it allows larger offsets */
70#if IVSIZE >= 8 86#if IVSIZE >= 8
87# define VAL64 IV
71# define SvVAL64 SvIV 88# define SvVAL64 SvIV
89# define newSVval64 newSViv
72#else 90#else
91# define VAL64 NV
73# define SvVAL64 SvNV 92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
74#endif 94#endif
75 95
76static HV *stash; 96/*****************************************************************************/
97
98#if __GNUC__ >= 3
99# define expect(expr,value) __builtin_expect ((expr),(value))
100#else
101# define expect(expr,value) (expr)
102#endif
103
104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1)
106
107/*****************************************************************************/
108
77typedef 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 */
78 112
79#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
80#define AIO_GRP_KLASS "IO::AIO::GRP"
81 114
82#define EIO_COMMON \ 115#define EIO_REQ_MEMBERS \
83 SV *callback; \ 116 SV *callback; \
84 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
85 STRLEN stroffset; \ 118 STRLEN stroffset; \
86 SV *self 119 SV *self;
120
121#define EIO_NO_WRAPPERS 1
87 122
88#include "libeio/eio.h" 123#include "libeio/eio.h"
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#if _XOPEN_SOURCE < 600 || NO_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif
213
214#ifndef MCL_CURRENT
215# define MCL_CURRENT 0
216#endif
217#ifndef MCL_FUTURE
218# define MCL_FUTURE 0
219#endif
220
221#ifndef MAP_ANONYMOUS
222# ifdef MAP_ANON
223# define MAP_ANONYMOUS MAP_ANON
224# else
225# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
226# endif
227#endif
228#ifndef MAP_HUGETLB
229# define MAP_HUGETLB 0
230#endif
231#ifndef MAP_LOCKED
232# define MAP_LOCKED 0
233#endif
234#ifndef MAP_NORESERVE
235# define MAP_NORESERVE 0
236#endif
237#ifndef MAP_POPULATE
238# define MAP_POPULATE 0
239#endif
240#ifndef MAP_NONBLOCK
241# define MAP_NONBLOCK 0
242#endif
243
244#ifndef PAGESIZE
245# define PAGESIZE sysconf (_SC_PAGESIZE)
246#endif
89 247
90static int req_invoke (eio_req *req); 248static int req_invoke (eio_req *req);
91#define EIO_FINISH(req) req_invoke (req) 249#define EIO_FINISH(req) req_invoke (req)
92static void aio_grp_feed (eio_req *grp);
93#define EIO_FEED(req) aio_grp_feed (req)
94static void req_destroy (eio_req *grp); 250static void req_destroy (eio_req *grp);
95#define EIO_DESTROY(req) req_destroy (req) 251#define EIO_DESTROY(req) req_destroy (req)
96 252
97enum { 253enum {
98 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 254 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
101#include "libeio/eio.c" 257#include "libeio/eio.c"
102 258
103typedef eio_req *aio_req; 259typedef eio_req *aio_req;
104typedef eio_req *aio_req_ornot; 260typedef eio_req *aio_req_ornot;
105 261
106static unsigned int max_outstanding = 0x7fffffff; 262static SV *on_next_submit;
263static int next_pri = EIO_PRI_DEFAULT;
264static int max_outstanding;
107 265
108static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 266static s_epipe respipe;
109
110static int respipe_osf [2], respipe [2] = { -1, -1 };
111 267
112static void req_destroy (aio_req req); 268static void req_destroy (aio_req req);
113static void req_cancel (aio_req req); 269static void req_cancel (aio_req req);
114 270
115static void want_poll (void) 271static void want_poll (void)
116{ 272{
117 /* write a dummy byte to the pipe so fh becomes ready */ 273 /* write a dummy byte to the pipe so fh becomes ready */
118 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 274 s_epipe_signal (&respipe);
119} 275}
120 276
121static void done_poll (void) 277static void done_poll (void)
122{ 278{
123 /* read any signals sent by the worker threads */ 279 /* read any signals sent by the worker threads */
124 char buf [4]; 280 s_epipe_drain (&respipe);
125 while (respipe_read (respipe [0], buf, 4) == 4)
126 ;
127} 281}
128 282
129/* must be called at most once */ 283/* must be called at most once */
130static SV *req_sv (aio_req req, const char *klass) 284static SV *req_sv (aio_req req, HV *stash)
131{ 285{
132 if (!req->self) 286 if (!req->self)
133 { 287 {
134 req->self = (SV *)newHV (); 288 req->self = (SV *)newHV ();
135 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 289 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136 } 290 }
137 291
138 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 292 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139} 293}
140 294
141static aio_req SvAIO_REQ (SV *sv) 295static aio_req SvAIO_REQ (SV *sv)
142{ 296{
143 MAGIC *mg; 297 MAGIC *mg;
144 298
145 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 299 if (!SvROK (sv)
300 || (SvSTASH (SvRV (sv)) != aio_grp_stash
301 && SvSTASH (SvRV (sv)) != aio_req_stash
302 && !sv_derived_from (sv, "IO::AIO::REQ")))
146 croak ("object of class " AIO_REQ_KLASS " expected"); 303 croak ("object of class IO::AIO::REQ expected");
147 304
148 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 305 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149 306
150 return mg ? (aio_req)mg->mg_ptr : 0; 307 return mg ? (aio_req)mg->mg_ptr : 0;
151} 308}
157 dSP; 314 dSP;
158 315
159 ENTER; 316 ENTER;
160 SAVETMPS; 317 SAVETMPS;
161 PUSHMARK (SP); 318 PUSHMARK (SP);
162 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 319 XPUSHs (req_sv (grp, aio_grp_stash));
163 PUTBACK; 320 PUTBACK;
164 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 321 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165 SPAGAIN; 322 SPAGAIN;
166 FREETMPS; 323 FREETMPS;
167 LEAVE; 324 LEAVE;
168 } 325 }
169} 326}
170 327
328static void req_submit (eio_req *req)
329{
330 eio_submit (req);
331
332 if (expect_false (on_next_submit))
333 {
334 dSP;
335 SV *cb = sv_2mortal (on_next_submit);
336
337 on_next_submit = 0;
338
339 PUSHMARK (SP);
340 PUTBACK;
341 call_sv (cb, G_DISCARD | G_EVAL);
342 }
343}
344
171static int req_invoke (eio_req *req) 345static int req_invoke (eio_req *req)
172{ 346{
173 dSP;
174
175 if (req->flags & FLAG_SV2_RO_OFF) 347 if (req->flags & FLAG_SV2_RO_OFF)
176 SvREADONLY_off (req->sv2); 348 SvREADONLY_off (req->sv2);
177 349
178 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 350 if (!EIO_CANCELLED (req) && req->callback)
179 { 351 {
352 dSP;
353 static SV *sv_result_cache; /* caches the result integer SV */
354 SV *sv_result;
355
180 ENTER; 356 ENTER;
181 SAVETMPS; 357 SAVETMPS;
182 PUSHMARK (SP); 358 PUSHMARK (SP);
183 EXTEND (SP, 1); 359 EXTEND (SP, 1);
360
361 /* do not recreate the result IV from scratch each time */
362 if (expect_true (sv_result_cache))
363 {
364 sv_result = sv_result_cache; sv_result_cache = 0;
365 SvIV_set (sv_result, req->result);
366 }
367 else
368 {
369 sv_result = newSViv (req->result);
370 SvREADONLY_on (sv_result);
371 }
184 372
185 switch (req->type) 373 switch (req->type)
186 { 374 {
187 case EIO_READDIR: 375 case EIO_READDIR:
188 { 376 {
189 SV *rv = &PL_sv_undef; 377 SV *rv = &PL_sv_undef;
190 378
191 if (req->result >= 0) 379 if (req->result >= 0)
192 { 380 {
193 int i; 381 int i;
194 char *buf = req->ptr2; 382 char *names = (char *)req->ptr2;
383 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
195 AV *av = newAV (); 384 AV *av = newAV ();
196 385
197 av_extend (av, req->result - 1); 386 av_extend (av, req->result - 1);
198 387
199 for (i = 0; i < req->result; ++i) 388 for (i = 0; i < req->result; ++i)
200 { 389 {
201 SV *sv = newSVpv (buf, 0); 390 if (req->int1 & EIO_READDIR_DENTS)
391 {
392 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202 393
394 if (req->int1 & EIO_READDIR_CUSTOM2)
395 {
396 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
397 AV *avent = newAV ();
398
399 av_extend (avent, 2);
400
401 if (!sv_type [ent->type])
402 {
403 sv_type [ent->type] = newSViv (ent->type);
404 SvREADONLY_on (sv_type [ent->type]);
405 }
406
407 av_store (avent, 0, namesv);
408 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
409 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
410
411 av_store (av, i, newRV_noinc ((SV *)avent));
412 }
413 else
203 av_store (av, i, sv); 414 av_store (av, i, namesv);
415
416 ++ent;
417 }
418 else
419 {
420 SV *name = newSVpv (names, 0);
421 av_store (av, i, name);
204 buf += SvCUR (sv) + 1; 422 names += SvCUR (name) + 1;
423 }
205 } 424 }
206 425
207 rv = sv_2mortal (newRV_noinc ((SV *)av)); 426 rv = sv_2mortal (newRV_noinc ((SV *)av));
208 } 427 }
209 428
210 PUSHs (rv); 429 PUSHs (rv);
430
431 if (req->int1 & EIO_READDIR_CUSTOM1)
432 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
211 } 433 }
212 break; 434 break;
213 435
214 case EIO_OPEN: 436 case EIO_OPEN:
215 { 437 {
221 GV *gv = (GV *)sv_newmortal (); 443 GV *gv = (GV *)sv_newmortal ();
222 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 444 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
223 char sym [64]; 445 char sym [64];
224 int symlen; 446 int symlen;
225 447
226 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 448 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227 gv_init (gv, stash, sym, symlen, 0); 449 gv_init (gv, aio_stash, sym, symlen, 0);
228 450
229 symlen = snprintf ( 451 symlen = snprintf (
230 sym, 452 sym,
231 sizeof (sym), 453 sizeof (sym),
232 "%s&=%d", 454 "%s&=%d",
233 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 455 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234 req->result 456 (int)req->result
235 ); 457 );
236 458
237 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 459 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238 fh = (SV *)gv; 460 fh = (SV *)gv;
239 } 461 }
240 462
241 PUSHs (fh); 463 PUSHs (fh);
242 } 464 }
465 break;
466
467 case EIO_STATVFS:
468 case EIO_FSTATVFS:
469 {
470 SV *rv = &PL_sv_undef;
471
472 if (req->result >= 0)
473 {
474 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475 HV *hv = newHV ();
476
477 rv = sv_2mortal (newRV_noinc ((SV *)hv));
478
479 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
480 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
481 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
482 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
483 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
484 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
485 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
486 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
487 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
488 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
489 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
490 }
491
492 PUSHs (rv);
493 }
494
243 break; 495 break;
244 496
245 case EIO_GROUP: 497 case EIO_GROUP:
246 req->int1 = 2; /* mark group as finished */ 498 req->int1 = 2; /* mark group as finished */
247 499
260 case EIO_BUSY: 512 case EIO_BUSY:
261 break; 513 break;
262 514
263 case EIO_READLINK: 515 case EIO_READLINK:
264 if (req->result > 0) 516 if (req->result > 0)
265 { 517 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266 SvCUR_set (req->sv2, req->result);
267 *SvEND (req->sv2) = 0;
268 PUSHs (req->sv2);
269 }
270 break; 518 break;
271 519
272 case EIO_STAT: 520 case EIO_STAT:
273 case EIO_LSTAT: 521 case EIO_LSTAT:
274 case EIO_FSTAT: 522 case EIO_FSTAT:
275 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 523 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
276 PL_laststatval = req->result; 524 PL_laststatval = req->result;
277 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 525 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
278 PUSHs (sv_2mortal (newSViv (req->result))); 526 PUSHs (sv_result);
279 break; 527 break;
280 528
281 case EIO_READ: 529 case EIO_READ:
530 {
282 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 531 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283 *SvEND (req->sv2) = 0; 532 *SvEND (req->sv2) = 0;
284 PUSHs (sv_2mortal (newSViv (req->result))); 533 SvPOK_only (req->sv2);
534 SvSETMAGIC (req->sv2);
535 PUSHs (sv_result);
536 }
285 break; 537 break;
286 538
287 case EIO_DUP2: 539 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
288 if (req->result > 0) 540 if (req->result > 0)
289 req->result = 0; 541 SvIV_set (sv_result, 0);
290 /* FALLTHROUGH */ 542 /* FALLTHROUGH */
291 543
292 default: 544 default:
293 PUSHs (sv_2mortal (newSViv (req->result))); 545 PUSHs (sv_result);
294 break; 546 break;
295 } 547 }
296 548
297 errno = req->errorno; 549 errno = req->errorno;
298 550
299 PUTBACK; 551 PUTBACK;
300 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 552 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
301 SPAGAIN; 553 SPAGAIN;
554
555 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
556 SvREFCNT_dec (sv_result);
557 else
558 sv_result_cache = sv_result;
302 559
303 FREETMPS; 560 FREETMPS;
304 LEAVE; 561 LEAVE;
305 562
306 PUTBACK; 563 PUTBACK;
335 grp->sv2 = 0; 592 grp->sv2 = 0;
336 593
337 eio_grp_cancel (grp); 594 eio_grp_cancel (grp);
338} 595}
339 596
340#ifdef USE_SOCKETS_AS_HANDLES
341# define TO_SOCKET(x) (win32_get_osfhandle (x))
342#else
343# define TO_SOCKET(x) (x)
344#endif
345
346static void 597static void
347create_respipe (void) 598create_respipe (void)
348{ 599{
349 int old_readfd = respipe [0];
350
351 if (respipe [1] >= 0)
352 respipe_close (TO_SOCKET (respipe [1]));
353
354#ifdef _WIN32
355 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
356#else
357 if (pipe (respipe)) 600 if (s_epipe_renew (&respipe))
358#endif
359 croak ("unable to initialize result pipe"); 601 croak ("IO::AIO: unable to initialize result pipe");
360
361 if (old_readfd >= 0)
362 {
363 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
364 croak ("unable to initialize result pipe(2)");
365
366 respipe_close (respipe [0]);
367 respipe [0] = old_readfd;
368 }
369
370#ifdef _WIN32
371 int arg = 1;
372 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
373 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
374#else
375 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
376 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
377#endif
378 croak ("unable to initialize result pipe(3)");
379
380 respipe_osf [0] = TO_SOCKET (respipe [0]);
381 respipe_osf [1] = TO_SOCKET (respipe [1]);
382} 602}
383 603
384static void poll_wait (void) 604static void poll_wait (void)
385{ 605{
386 fd_set rfd;
387
388 while (eio_nreqs ()) 606 while (eio_nreqs ())
389 { 607 {
390 int size; 608 int size;
391 609
392 X_LOCK (reslock); 610 X_LOCK (reslock);
394 X_UNLOCK (reslock); 612 X_UNLOCK (reslock);
395 613
396 if (size) 614 if (size)
397 return; 615 return;
398 616
399 maybe_start_thread (); 617 etp_maybe_start_thread ();
400 618
401 FD_ZERO (&rfd); 619 s_epipe_wait (&respipe);
402 FD_SET (respipe [0], &rfd);
403
404 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405 } 620 }
406} 621}
407 622
408static int poll_cb (void) 623static int poll_cb (void)
409{ 624{
625 for (;;)
626 {
410 int res = eio_poll (); 627 int res = eio_poll ();
411 628
412 if (res > 0) 629 if (res > 0)
413 croak (0); 630 croak (0);
414 631
632 if (!max_outstanding || max_outstanding > eio_nreqs ())
633 return res;
634
635 poll_wait ();
636 }
637}
638
639static void atfork_child (void)
640{
641 create_respipe ();
642}
643
644/*****************************************************************************/
645
646#if !_POSIX_MAPPED_FILES
647# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648# define munmap(addr,length) (errno = ENOSYS, -1)
649# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
650#endif
651
652#define MMAP_MAGIC PERL_MAGIC_ext
653
654static int
655mmap_free (pTHX_ SV *sv, MAGIC *mg)
656{
657 int old_errno = errno;
658 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659 errno = old_errno;
660
661 mg->mg_obj = 0; /* just in case */
662
663 SvREADONLY_off (sv);
664
665 if (SvPVX (sv) != mg->mg_ptr)
666 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
667
668 SvCUR_set (sv, 0);
669 SvPVX (sv) = 0;
670 SvOK_off (sv);
671
415 return res; 672 return 0;
673}
674
675static MGVTBL mmap_vtbl = {
676 0, 0, 0, 0, mmap_free
677};
678
679/*****************************************************************************/
680
681static SV *
682get_cb (SV *cb_sv)
683{
684 SvGETMAGIC (cb_sv);
685 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
416} 686}
417 687
418#define dREQ \ 688#define dREQ \
689 SV *cb_cv; \
419 aio_req req; \ 690 aio_req req; \
420 int req_pri = next_pri; \ 691 int req_pri = next_pri; \
421 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ 692 next_pri = EIO_PRI_DEFAULT; \
422 \ 693 \
423 if (SvOK (callback) && !SvROK (callback)) \ 694 cb_cv = get_cb (callback); \
424 croak ("callback must be undef or of reference type"); \
425 \ 695 \
426 Newz (0, req, 1, eio_req); \ 696 Newz (0, req, 1, eio_req); \
427 if (!req) \ 697 if (!req) \
428 croak ("out of memory during eio_req allocation"); \ 698 croak ("out of memory during eio_req allocation"); \
429 \ 699 \
430 req->callback = newSVsv (callback); \ 700 req->callback = SvREFCNT_inc (cb_cv); \
431 req->pri = req_pri 701 req->pri = req_pri
432 702
433#define REQ_SEND \ 703#define REQ_SEND \
704 PUTBACK; \
434 eio_submit (req); \ 705 req_submit (req); \
706 SPAGAIN; \
435 \ 707 \
436 if (GIMME_V != G_VOID) \ 708 if (GIMME_V != G_VOID) \
437 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 709 XPUSHs (req_sv (req, aio_req_stash));
438 710
439MODULE = IO::AIO PACKAGE = IO::AIO 711MODULE = IO::AIO PACKAGE = IO::AIO
440 712
441PROTOTYPES: ENABLE 713PROTOTYPES: ENABLE
442 714
443BOOT: 715BOOT:
444{ 716{
445 stash = gv_stashpv ("IO::AIO", 1); 717 static const struct {
446 718 const char *name;
447 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 719 IV iv;
448 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 720 } *civ, const_iv[] = {
449 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 721# define const_niv(name, value) { # name, (IV) value },
450 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 722# define const_iv(name) { # name, (IV) name },
451 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 723# define const_eio(name) { # name, (IV) EIO_ ## name },
724 const_iv (EXDEV)
725 const_iv (ENOSYS)
726 const_iv (O_RDONLY)
727 const_iv (O_WRONLY)
728 const_iv (O_RDWR)
729 const_iv (O_CREAT)
730 const_iv (O_TRUNC)
731 const_iv (O_EXCL)
732 const_iv (O_APPEND)
452#ifdef _WIN32 733#ifndef _WIN32
453 X_MUTEX_CHECK (wrklock); 734 const_iv (S_IFIFO)
454 X_MUTEX_CHECK (reslock);
455 X_MUTEX_CHECK (reqlock);
456 X_MUTEX_CHECK (reqwait);
457 X_MUTEX_CHECK (preadwritelock);
458 X_MUTEX_CHECK (readdirlock);
459
460 X_COND_CHECK (reqwait);
461#else
462 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
463#endif 735#endif
736 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
737 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
738 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
739 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
740 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
741 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
464 742
743 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
744 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
745 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
746 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
747 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
748
749 const_iv (ST_RDONLY)
750 const_iv (ST_NOSUID)
751 const_iv (ST_NODEV)
752 const_iv (ST_NOEXEC)
753 const_iv (ST_SYNCHRONOUS)
754 const_iv (ST_MANDLOCK)
755 const_iv (ST_WRITE)
756 const_iv (ST_APPEND)
757 const_iv (ST_IMMUTABLE)
758 const_iv (ST_NOATIME)
759 const_iv (ST_NODIRATIME)
760 const_iv (ST_RELATIME)
761
762 const_iv (PROT_NONE)
763 const_iv (PROT_EXEC)
764 const_iv (PROT_READ)
765 const_iv (PROT_WRITE)
766
767 /*const_iv (MAP_FIXED)*/
768 const_iv (MAP_PRIVATE)
769 const_iv (MAP_SHARED)
770 const_iv (MAP_ANONYMOUS)
771
772 /* linuxish */
773 const_iv (MAP_HUGETLB)
774 const_iv (MAP_LOCKED)
775 const_iv (MAP_NORESERVE)
776 const_iv (MAP_POPULATE)
777 const_iv (MAP_NONBLOCK)
778
779 const_iv (MCL_FUTURE)
780 const_iv (MCL_CURRENT)
781
782 const_eio (MS_ASYNC)
783 const_eio (MS_INVALIDATE)
784 const_eio (MS_SYNC)
785
786 const_eio (MT_MODIFY)
787
788 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
789 const_eio (SYNC_FILE_RANGE_WRITE)
790 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
791
792 const_eio (READDIR_DENTS)
793 const_eio (READDIR_DIRS_FIRST)
794 const_eio (READDIR_STAT_ORDER)
795 const_eio (READDIR_FOUND_UNKNOWN)
796
797 const_eio (DT_UNKNOWN)
798 const_eio (DT_FIFO)
799 const_eio (DT_CHR)
800 const_eio (DT_DIR)
801 const_eio (DT_BLK)
802 const_eio (DT_REG)
803 const_eio (DT_LNK)
804 const_eio (DT_SOCK)
805 const_eio (DT_WHT)
806 };
807
808 aio_stash = gv_stashpv ("IO::AIO" , 1);
809 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
811
812 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
813 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
814
815 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
816
465 create_respipe (); 817 create_respipe ();
466 818
467 if (eio_init (want_poll, done_poll) < 0) 819 if (eio_init (want_poll, done_poll) < 0)
468 croak ("IO::AIO: unable to initialise eio library"); 820 croak ("IO::AIO: unable to initialise eio library");
821
822 /* atfork child called in fifo order, so before eio's handler */
823 X_THREAD_ATFORK (0, 0, atfork_child);
469} 824}
470 825
471void 826void
472max_poll_reqs (int nreqs) 827max_poll_reqs (int nreqs)
473 PROTOTYPE: $ 828 PROTOTYPE: $
526 ALIAS: 881 ALIAS:
527 aio_fsync = EIO_FSYNC 882 aio_fsync = EIO_FSYNC
528 aio_fdatasync = EIO_FDATASYNC 883 aio_fdatasync = EIO_FDATASYNC
529 PPCODE: 884 PPCODE:
530{ 885{
886 int fd = s_fileno_croak (fh, 0);
531 dREQ; 887 dREQ;
532 888
533 req->type = ix; 889 req->type = ix;
534 req->sv1 = newSVsv (fh); 890 req->sv1 = newSVsv (fh);
535 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 891 req->int1 = fd;
892
893 REQ_SEND (req);
894}
895
896void
897aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
898 PROTOTYPE: $$$$;$
899 PPCODE:
900{
901 int fd = s_fileno_croak (fh, 0);
902 dREQ;
903
904 req->type = EIO_SYNC_FILE_RANGE;
905 req->sv1 = newSVsv (fh);
906 req->int1 = fd;
907 req->offs = offset;
908 req->size = nbytes;
909 req->int2 = flags;
536 910
537 REQ_SEND (req); 911 REQ_SEND (req);
538} 912}
539 913
540void 914void
541aio_close (SV *fh, SV *callback=&PL_sv_undef) 915aio_close (SV *fh, SV *callback=&PL_sv_undef)
542 PROTOTYPE: $;$ 916 PROTOTYPE: $;$
543 PPCODE: 917 PPCODE:
544{ 918{
545 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 919 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920 int fd = s_fileno_croak (fh, 0);
546 dREQ; 921 dREQ;
547 922
548 if (close_pipe < 0) 923 if (close_pipe < 0)
549 { 924 {
550 int pipefd [2]; 925 int pipefd [2];
558 } 933 }
559 934
560 req->type = EIO_DUP2; 935 req->type = EIO_DUP2;
561 req->int1 = close_pipe; 936 req->int1 = close_pipe;
562 req->sv2 = newSVsv (fh); 937 req->sv2 = newSVsv (fh);
563 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 938 req->int2 = fd;
564 939
565 REQ_SEND (req); 940 REQ_SEND (req);
566} 941}
567 942
568void 943void
572 aio_write = EIO_WRITE 947 aio_write = EIO_WRITE
573 PROTOTYPE: $$$$$;$ 948 PROTOTYPE: $$$$$;$
574 PPCODE: 949 PPCODE:
575{ 950{
576 STRLEN svlen; 951 STRLEN svlen;
952 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
577 char *svptr = SvPVbyte (data, svlen); 953 char *svptr = SvPVbyte (data, svlen);
578 UV len = SvUV (length); 954 UV len = SvUV (length);
579
580 SvUPGRADE (data, SVt_PV);
581 SvPOK_on (data);
582 955
583 if (dataoffset < 0) 956 if (dataoffset < 0)
584 dataoffset += svlen; 957 dataoffset += svlen;
585 958
586 if (dataoffset < 0 || dataoffset > svlen) 959 if (dataoffset < 0 || dataoffset > svlen)
592 if (!SvOK (length) || len + dataoffset > svlen) 965 if (!SvOK (length) || len + dataoffset > svlen)
593 len = svlen - dataoffset; 966 len = svlen - dataoffset;
594 } 967 }
595 else 968 else
596 { 969 {
597 /* read: grow scalar as necessary */ 970 /* read: check type and grow scalar as necessary */
971 SvUPGRADE (data, SVt_PV);
598 svptr = SvGROW (data, len + dataoffset + 1); 972 svptr = SvGROW (data, len + dataoffset + 1);
599 } 973 }
600 974
601 if (len < 0)
602 croak ("length must not be negative");
603
604 { 975 {
605 dREQ; 976 dREQ;
606 977
607 req->type = ix; 978 req->type = ix;
608 req->sv1 = newSVsv (fh); 979 req->sv1 = newSVsv (fh);
609 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 980 req->int1 = fd;
610 : IoOFP (sv_2io (fh)));
611 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 981 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
612 req->size = len; 982 req->size = len;
613 req->sv2 = SvREFCNT_inc (data); 983 req->sv2 = SvREFCNT_inc (data);
614 req->ptr2 = (char *)svptr + dataoffset; 984 req->ptr2 = (char *)svptr + dataoffset;
615 req->stroffset = dataoffset; 985 req->stroffset = dataoffset;
630 PPCODE: 1000 PPCODE:
631{ 1001{
632 SV *data; 1002 SV *data;
633 dREQ; 1003 dREQ;
634 1004
635 data = newSV (NAME_MAX);
636 SvPOK_on (data);
637
638 req->type = EIO_READLINK; 1005 req->type = EIO_READLINK;
639 req->sv1 = newSVsv (path); 1006 req->sv1 = newSVsv (path);
640 req->ptr1 = SvPVbyte_nolen (req->sv1); 1007 req->ptr1 = SvPVbyte_nolen (req->sv1);
641 req->sv2 = data;
642 req->ptr2 = SvPVbyte_nolen (data);
643 1008
644 REQ_SEND; 1009 REQ_SEND;
645} 1010}
646 1011
647void 1012void
648aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1013aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
649 PROTOTYPE: $$$$;$ 1014 PROTOTYPE: $$$$;$
650 PPCODE: 1015 PPCODE:
651{ 1016{
1017 int ifd = s_fileno_croak (in_fh , 0);
1018 int ofd = s_fileno_croak (out_fh, 1);
652 dREQ; 1019 dREQ;
653 1020
654 req->type = EIO_SENDFILE; 1021 req->type = EIO_SENDFILE;
655 req->sv1 = newSVsv (out_fh); 1022 req->sv1 = newSVsv (out_fh);
656 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1023 req->int1 = ofd;
657 req->sv2 = newSVsv (in_fh); 1024 req->sv2 = newSVsv (in_fh);
658 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1025 req->int2 = ifd;
659 req->offs = SvVAL64 (in_offset); 1026 req->offs = in_offset;
660 req->size = length; 1027 req->size = length;
661 1028
662 REQ_SEND; 1029 REQ_SEND;
663} 1030}
664 1031
665void 1032void
666aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1033aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
667 PROTOTYPE: $$$;$ 1034 PROTOTYPE: $$$;$
668 PPCODE: 1035 PPCODE:
669{ 1036{
1037 int fd = s_fileno_croak (fh, 0);
670 dREQ; 1038 dREQ;
671 1039
672 req->type = EIO_READAHEAD; 1040 req->type = EIO_READAHEAD;
673 req->sv1 = newSVsv (fh); 1041 req->sv1 = newSVsv (fh);
674 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1042 req->int1 = fd;
675 req->offs = SvVAL64 (offset); 1043 req->offs = offset;
676 req->size = length; 1044 req->size = length;
677 1045
678 REQ_SEND; 1046 REQ_SEND;
679} 1047}
680 1048
681void 1049void
682aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1050aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
683 ALIAS: 1051 ALIAS:
684 aio_stat = EIO_STAT 1052 aio_stat = EIO_STAT
685 aio_lstat = EIO_LSTAT 1053 aio_lstat = EIO_LSTAT
1054 aio_statvfs = EIO_STATVFS
686 PPCODE: 1055 PPCODE:
687{ 1056{
688 dREQ; 1057 dREQ;
689 1058
690 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
691 if (!req->ptr2)
692 {
693 req_destroy (req);
694 croak ("out of memory during aio_stat statdata allocation");
695 }
696
697 req->flags |= EIO_FLAG_PTR2_FREE;
698 req->sv1 = newSVsv (fh_or_path); 1059 req->sv1 = newSVsv (fh_or_path);
699 1060
700 if (SvPOK (fh_or_path)) 1061 if (SvPOK (req->sv1))
701 { 1062 {
702 req->type = ix; 1063 req->type = ix;
703 req->ptr1 = SvPVbyte_nolen (req->sv1); 1064 req->ptr1 = SvPVbyte_nolen (req->sv1);
704 } 1065 }
705 else 1066 else
706 { 1067 {
707 req->type = EIO_FSTAT; 1068 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
708 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1069 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
709 } 1070 }
710 1071
711 REQ_SEND; 1072 REQ_SEND;
712} 1073}
719 1080
720 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1081 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
721 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1082 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
722 req->sv1 = newSVsv (fh_or_path); 1083 req->sv1 = newSVsv (fh_or_path);
723 1084
724 if (SvPOK (fh_or_path)) 1085 if (SvPOK (req->sv1))
725 { 1086 {
726 req->type = EIO_UTIME; 1087 req->type = EIO_UTIME;
727 req->ptr1 = SvPVbyte_nolen (req->sv1); 1088 req->ptr1 = SvPVbyte_nolen (req->sv1);
728 } 1089 }
729 else 1090 else
742 dREQ; 1103 dREQ;
743 1104
744 req->sv1 = newSVsv (fh_or_path); 1105 req->sv1 = newSVsv (fh_or_path);
745 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1106 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
746 1107
747 if (SvPOK (fh_or_path)) 1108 if (SvPOK (req->sv1))
748 { 1109 {
749 req->type = EIO_TRUNCATE; 1110 req->type = EIO_TRUNCATE;
750 req->ptr1 = SvPVbyte_nolen (req->sv1); 1111 req->ptr1 = SvPVbyte_nolen (req->sv1);
751 } 1112 }
752 else 1113 else
760 1121
761void 1122void
762aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1123aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
763 ALIAS: 1124 ALIAS:
764 aio_chmod = EIO_CHMOD 1125 aio_chmod = EIO_CHMOD
765 aio_fchmod = EIO_FCHMOD
766 aio_mkdir = EIO_MKDIR 1126 aio_mkdir = EIO_MKDIR
767 PPCODE: 1127 PPCODE:
768{ 1128{
769 dREQ; 1129 dREQ;
770 1130
771 req->type = ix;
772 req->int2 = mode; 1131 req->int2 = mode;
773 req->sv1 = newSVsv (fh_or_path); 1132 req->sv1 = newSVsv (fh_or_path);
774 1133
775 if (ix == EIO_FCHMOD) 1134 if (SvPOK (req->sv1))
776 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1135 {
1136 req->type = ix;
1137 req->ptr1 = SvPVbyte_nolen (req->sv1);
1138 }
777 else 1139 else
778 req->ptr1 = SvPVbyte_nolen (req->sv1); 1140 {
1141 req->type = EIO_FCHMOD;
1142 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1143 }
779 1144
780 REQ_SEND; 1145 REQ_SEND;
781} 1146}
782 1147
783void 1148void
788 1153
789 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1154 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
790 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1155 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
791 req->sv1 = newSVsv (fh_or_path); 1156 req->sv1 = newSVsv (fh_or_path);
792 1157
793 if (SvPOK (fh_or_path)) 1158 if (SvPOK (req->sv1))
794 { 1159 {
795 req->type = EIO_CHOWN; 1160 req->type = EIO_CHOWN;
796 req->ptr1 = SvPVbyte_nolen (req->sv1); 1161 req->ptr1 = SvPVbyte_nolen (req->sv1);
797 } 1162 }
798 else 1163 else
803 1168
804 REQ_SEND; 1169 REQ_SEND;
805} 1170}
806 1171
807void 1172void
1173aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1174 PPCODE:
1175{
1176 dREQ;
1177
1178 req->type = EIO_READDIR;
1179 req->sv1 = newSVsv (pathname);
1180 req->ptr1 = SvPVbyte_nolen (req->sv1);
1181 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1182
1183 if (flags & EIO_READDIR_DENTS)
1184 req->int1 |= EIO_READDIR_CUSTOM2;
1185
1186 REQ_SEND;
1187}
1188
1189void
808aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1190aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
809 ALIAS: 1191 ALIAS:
810 aio_unlink = EIO_UNLINK 1192 aio_unlink = EIO_UNLINK
811 aio_rmdir = EIO_RMDIR 1193 aio_rmdir = EIO_RMDIR
812 aio_readdir = EIO_READDIR 1194 aio_readdir = EIO_READDIR
854 1236
855 REQ_SEND; 1237 REQ_SEND;
856} 1238}
857 1239
858void 1240void
1241aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1242 ALIAS:
1243 aio_mtouch = EIO_MTOUCH
1244 aio_msync = EIO_MSYNC
1245 PROTOTYPE: $$$$;$
1246 PPCODE:
1247{
1248 STRLEN svlen;
1249 UV len = SvUV (length);
1250 char *svptr = SvPVbyte (data, svlen);
1251
1252 if (offset < 0)
1253 offset += svlen;
1254
1255 if (offset < 0 || offset > svlen)
1256 croak ("offset outside of scalar");
1257
1258 if (!SvOK (length) || len + offset > svlen)
1259 len = svlen - offset;
1260
1261 {
1262 dREQ;
1263
1264 req->type = ix;
1265 req->size = len;
1266 req->sv2 = SvREFCNT_inc (data);
1267 req->ptr2 = (char *)svptr + offset;
1268 req->int1 = flags;
1269
1270 REQ_SEND;
1271 }
1272}
1273
1274void
859aio_busy (double delay, SV *callback=&PL_sv_undef) 1275aio_busy (double delay, SV *callback=&PL_sv_undef)
860 PPCODE: 1276 PPCODE:
861{ 1277{
862 dREQ; 1278 dREQ;
863 1279
874{ 1290{
875 dREQ; 1291 dREQ;
876 1292
877 req->type = EIO_GROUP; 1293 req->type = EIO_GROUP;
878 1294
879 eio_submit (req); 1295 req_submit (req);
880 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1296 XPUSHs (req_sv (req, aio_grp_stash));
881} 1297}
882 1298
883void 1299void
884aio_nop (SV *callback=&PL_sv_undef) 1300aio_nop (SV *callback=&PL_sv_undef)
885 ALIAS: 1301 ALIAS:
896 1312
897int 1313int
898aioreq_pri (int pri = 0) 1314aioreq_pri (int pri = 0)
899 PROTOTYPE: ;$ 1315 PROTOTYPE: ;$
900 CODE: 1316 CODE:
901 RETVAL = next_pri - EIO_PRI_BIAS; 1317 RETVAL = next_pri;
902 if (items > 0) 1318 if (items > 0)
903 { 1319 {
904 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1320 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
905 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 1321 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
906 next_pri = pri + EIO_PRI_BIAS; 1322 next_pri = pri;
907 } 1323 }
908 OUTPUT: 1324 OUTPUT:
909 RETVAL 1325 RETVAL
910 1326
911void 1327void
912aioreq_nice (int nice = 0) 1328aioreq_nice (int nice = 0)
913 CODE: 1329 CODE:
914 nice = next_pri - nice; 1330 nice = next_pri - nice;
915 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 1331 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
916 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1332 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
917 next_pri = nice + EIO_PRI_BIAS; 1333 next_pri = nice;
918 1334
919void 1335void
920flush () 1336flush ()
921 PROTOTYPE: 1337 PROTOTYPE:
922 CODE: 1338 CODE:
923 while (nreqs) 1339 while (eio_nreqs ())
924 { 1340 {
925 poll_wait (); 1341 poll_wait ();
926 poll_cb (); 1342 poll_cb ();
927 } 1343 }
928 1344
937 1353
938int 1354int
939poll_fileno() 1355poll_fileno()
940 PROTOTYPE: 1356 PROTOTYPE:
941 CODE: 1357 CODE:
942 RETVAL = respipe [0]; 1358 RETVAL = s_epipe_fd (&respipe);
943 OUTPUT: 1359 OUTPUT:
944 RETVAL 1360 RETVAL
945 1361
946int 1362int
947poll_cb(...) 1363poll_cb(...)
983 1399
984int 1400int
985nthreads() 1401nthreads()
986 PROTOTYPE: 1402 PROTOTYPE:
987 CODE: 1403 CODE:
988 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 1404 RETVAL = eio_nthreads ();
989 RETVAL = started;
990 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
991 OUTPUT: 1405 OUTPUT:
992 RETVAL 1406 RETVAL
1407
1408int
1409fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410 PROTOTYPE: $$$$
1411 CODE:
1412 RETVAL = posix_fadvise (fh, offset, length, advice);
1413 OUTPUT:
1414 RETVAL
1415
1416ssize_t
1417sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418 PROTOTYPE: $$$$
1419 CODE:
1420 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421 OUTPUT:
1422 RETVAL
1423
1424void
1425mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426 PROTOTYPE: $$$$$;$
1427 PPCODE:
1428 sv_unmagic (scalar, MMAP_MAGIC);
1429{
1430 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1432 if (addr == (void *)-1)
1433 XSRETURN_NO;
1434
1435 sv_force_normal (scalar);
1436
1437 /* we store the length in mg_obj, as namlen is I32 :/ */
1438 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1439 ->mg_obj = (SV *)length;
1440
1441 SvUPGRADE (scalar, SVt_PV); /* nop... */
1442
1443 if (!(prot & PROT_WRITE))
1444 SvREADONLY_on (scalar);
1445
1446 if (SvLEN (scalar))
1447 Safefree (SvPVX (scalar));
1448
1449 SvPVX (scalar) = (char *)addr;
1450 SvCUR_set (scalar, length);
1451 SvLEN_set (scalar, 0);
1452 SvPOK_only (scalar);
1453
1454 XSRETURN_YES;
1455}
1456
1457void
1458munmap (SV *scalar)
1459 PROTOTYPE: $
1460 CODE:
1461 sv_unmagic (scalar, MMAP_MAGIC);
1462
1463int
1464madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)
1465 ALIAS:
1466 mprotect = 1
1467 PROTOTYPE: $$$$
1468 CODE:
1469{
1470 STRLEN cur;
1471 char *addr = SvPVbyte (scalar, cur);
1472
1473 if (offset > cur)
1474 RETVAL = errno = EFAULT;
1475 else
1476 {
1477 if (!SvOK (ST (2)))
1478 length = cur - offset;
1479
1480 if (offset + length > cur)
1481 RETVAL = errno = EFAULT;
1482 else
1483 switch (ix)
1484 {
1485 case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break;
1486 case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;
1487 }
1488 }
1489}
1490 OUTPUT:
1491 RETVAL
1492
1493int
1494mlockall (int flags)
1495 PROTOTYPE: $
1496 CODE:
1497#if _POSIX_MEMLOCK
1498#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1499 extern int mallopt (int, int);
1500 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501#endif
1502 mlockall (flags);
1503#else
1504 RETVAL = -1;
1505 errno = ENOSYS;
1506#endif
1507 OUTPUT:
1508 RETVAL
1509
1510int
1511munlockall ()
1512 PROTOTYPE:
1513 CODE:
1514#if _POSIX_MEMLOCK
1515 munlockall ();
1516#else
1517 RETVAL = -1;
1518 errno = ENOSYS;
1519#endif
1520 OUTPUT:
1521 RETVAL
1522
1523void _on_next_submit (SV *cb)
1524 CODE:
1525 SvREFCNT_dec (on_next_submit);
1526 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
993 1527
994PROTOTYPES: DISABLE 1528PROTOTYPES: DISABLE
995 1529
996MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1530MODULE = IO::AIO PACKAGE = IO::AIO::REQ
997 1531
1000 CODE: 1534 CODE:
1001 eio_cancel (req); 1535 eio_cancel (req);
1002 1536
1003void 1537void
1004cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1538cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1005 CODE: 1539 PPCODE:
1540{
1541 if (GIMME_V != G_VOID)
1542 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1543
1544 if (items > 1)
1545 {
1546 SV *cb_cv =get_cb (callback);
1547
1006 SvREFCNT_dec (req->callback); 1548 SvREFCNT_dec (req->callback);
1007 req->callback = newSVsv (callback); 1549 req->callback = SvREFCNT_inc (cb_cv);
1550 }
1551}
1008 1552
1009MODULE = IO::AIO PACKAGE = IO::AIO::GRP 1553MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1010 1554
1011void 1555void
1012add (aio_req grp, ...) 1556add (aio_req grp, ...)
1044 AV *av; 1588 AV *av;
1045 1589
1046 grp->errorno = errno; 1590 grp->errorno = errno;
1047 1591
1048 av = newAV (); 1592 av = newAV ();
1593 av_extend (av, items - 1);
1049 1594
1050 for (i = 1; i < items; ++i ) 1595 for (i = 1; i < items; ++i )
1051 av_push (av, newSVsv (ST (i))); 1596 av_push (av, newSVsv (ST (i)));
1052 1597
1053 SvREFCNT_dec (grp->sv1); 1598 SvREFCNT_dec (grp->sv1);
1067void 1612void
1068feed (aio_req grp, SV *callback=&PL_sv_undef) 1613feed (aio_req grp, SV *callback=&PL_sv_undef)
1069 CODE: 1614 CODE:
1070{ 1615{
1071 SvREFCNT_dec (grp->sv2); 1616 SvREFCNT_dec (grp->sv2);
1072 grp->sv2 = newSVsv (callback); 1617 grp->sv2 = newSVsv (callback);
1618 grp->feed = aio_grp_feed;
1073 1619
1074 if (grp->int2 <= 0) 1620 if (grp->int2 <= 0)
1075 grp->int2 = 2; 1621 grp->int2 = 2;
1076 1622
1077 eio_grp_limit (grp, grp->int2); 1623 eio_grp_limit (grp, grp->int2);

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