ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 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
65# include <signal.h> 72# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent 73# define EIO_STRUCT_DIRENT struct dirent
67 74
68#endif 75#endif
69 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
70#define EIO_STRUCT_STAT Stat_t 83#define EIO_STRUCT_STAT Stat_t
71 84
72/* use NV for 32 bit perls as it allows larger offsets */ 85/* use NV for 32 bit perls as it allows larger offsets */
73#if IVSIZE >= 8 86#if IVSIZE >= 8
87# define VAL64 IV
74# define SvVAL64 SvIV 88# define SvVAL64 SvIV
89# define newSVval64 newSViv
75#else 90#else
91# define VAL64 NV
76# define SvVAL64 SvNV 92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
77#endif 94#endif
78 95
79static 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
80typedef 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 */
81 112
82#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
83#define AIO_GRP_KLASS "IO::AIO::GRP"
84 114
85#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
86 SV *callback; \ 116 SV *callback; \
87 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
88 STRLEN stroffset; \ 118 STRLEN stroffset; \
89 SV *self; 119 SV *self;
90 120
91#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
92 122
123#include "libeio/config.h"
93#include "libeio/eio.h" 124#include "libeio/eio.h"
125
126#ifndef POSIX_FADV_NORMAL
127# define POSIX_FADV_NORMAL 0
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 !HAVE_POSIX_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#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON
216# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif
219#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235
236#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE)
238#endif
94 239
95static int req_invoke (eio_req *req); 240static int req_invoke (eio_req *req);
96#define EIO_FINISH(req) req_invoke (req) 241#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); 242static void req_destroy (eio_req *grp);
100#define EIO_DESTROY(req) req_destroy (req) 243#define EIO_DESTROY(req) req_destroy (req)
101 244
102enum { 245enum {
103 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 246 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
110 253
111static SV *on_next_submit; 254static SV *on_next_submit;
112static int next_pri = EIO_PRI_DEFAULT; 255static int next_pri = EIO_PRI_DEFAULT;
113static int max_outstanding; 256static int max_outstanding;
114 257
115static int respipe_osf [2], respipe [2] = { -1, -1 }; 258static s_epipe respipe;
116 259
117static void req_destroy (aio_req req); 260static void req_destroy (aio_req req);
118static void req_cancel (aio_req req); 261static void req_cancel (aio_req req);
119 262
120static void want_poll (void) 263static void want_poll (void)
121{ 264{
122 /* write a dummy byte to the pipe so fh becomes ready */ 265 /* write a dummy byte to the pipe so fh becomes ready */
123 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 266 s_epipe_signal (&respipe);
124} 267}
125 268
126static void done_poll (void) 269static void done_poll (void)
127{ 270{
128 /* read any signals sent by the worker threads */ 271 /* read any signals sent by the worker threads */
129 char buf [4]; 272 s_epipe_drain (&respipe);
130 while (respipe_read (respipe [0], buf, 4) == 4)
131 ;
132} 273}
133 274
134/* must be called at most once */ 275/* must be called at most once */
135static SV *req_sv (aio_req req, const char *klass) 276static SV *req_sv (aio_req req, HV *stash)
136{ 277{
137 if (!req->self) 278 if (!req->self)
138 { 279 {
139 req->self = (SV *)newHV (); 280 req->self = (SV *)newHV ();
140 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141 } 282 }
142 283
143 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144} 285}
145 286
146static aio_req SvAIO_REQ (SV *sv) 287static aio_req SvAIO_REQ (SV *sv)
147{ 288{
148 MAGIC *mg; 289 MAGIC *mg;
149 290
150 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 291 if (!SvROK (sv)
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ")))
151 croak ("object of class " AIO_REQ_KLASS " expected"); 295 croak ("object of class IO::AIO::REQ expected");
152 296
153 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154 298
155 return mg ? (aio_req)mg->mg_ptr : 0; 299 return mg ? (aio_req)mg->mg_ptr : 0;
156} 300}
162 dSP; 306 dSP;
163 307
164 ENTER; 308 ENTER;
165 SAVETMPS; 309 SAVETMPS;
166 PUSHMARK (SP); 310 PUSHMARK (SP);
167 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 311 XPUSHs (req_sv (grp, aio_grp_stash));
168 PUTBACK; 312 PUTBACK;
169 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 313 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
170 SPAGAIN; 314 SPAGAIN;
171 FREETMPS; 315 FREETMPS;
172 LEAVE; 316 LEAVE;
175 319
176static void req_submit (eio_req *req) 320static void req_submit (eio_req *req)
177{ 321{
178 eio_submit (req); 322 eio_submit (req);
179 323
180 if (on_next_submit) 324 if (expect_false (on_next_submit))
181 { 325 {
182 dSP; 326 dSP;
183 SV *cb = sv_2mortal (on_next_submit); 327 SV *cb = sv_2mortal (on_next_submit);
184 328
185 on_next_submit = 0; 329 on_next_submit = 0;
190 } 334 }
191} 335}
192 336
193static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
194{ 338{
195 dSP;
196
197 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
198 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
199 341
200 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 342 if (!EIO_CANCELLED (req) && req->callback)
201 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
202 ENTER; 348 ENTER;
203 SAVETMPS; 349 SAVETMPS;
204 PUSHMARK (SP); 350 PUSHMARK (SP);
205 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 }
359 else
360 {
361 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result);
363 }
206 364
207 switch (req->type) 365 switch (req->type)
208 { 366 {
209 case EIO_READDIR: 367 case EIO_READDIR:
210 { 368 {
211 SV *rv = &PL_sv_undef; 369 SV *rv = &PL_sv_undef;
212 370
213 if (req->result >= 0) 371 if (req->result >= 0)
214 { 372 {
215 int i; 373 int i;
216 char *buf = req->ptr2; 374 char *names = (char *)req->ptr2;
375 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
217 AV *av = newAV (); 376 AV *av = newAV ();
218 377
219 av_extend (av, req->result - 1); 378 av_extend (av, req->result - 1);
220 379
221 for (i = 0; i < req->result; ++i) 380 for (i = 0; i < req->result; ++i)
222 { 381 {
223 SV *sv = newSVpv (buf, 0); 382 if (req->int1 & EIO_READDIR_DENTS)
383 {
384 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224 385
386 if (req->int1 & EIO_READDIR_CUSTOM2)
387 {
388 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
389 AV *avent = newAV ();
390
391 av_extend (avent, 2);
392
393 if (!sv_type [ent->type])
394 {
395 sv_type [ent->type] = newSViv (ent->type);
396 SvREADONLY_on (sv_type [ent->type]);
397 }
398
399 av_store (avent, 0, namesv);
400 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
401 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
402
403 av_store (av, i, newRV_noinc ((SV *)avent));
404 }
405 else
225 av_store (av, i, sv); 406 av_store (av, i, namesv);
407
408 ++ent;
409 }
410 else
411 {
412 SV *name = newSVpv (names, 0);
413 av_store (av, i, name);
226 buf += SvCUR (sv) + 1; 414 names += SvCUR (name) + 1;
415 }
227 } 416 }
228 417
229 rv = sv_2mortal (newRV_noinc ((SV *)av)); 418 rv = sv_2mortal (newRV_noinc ((SV *)av));
230 } 419 }
231 420
232 PUSHs (rv); 421 PUSHs (rv);
422
423 if (req->int1 & EIO_READDIR_CUSTOM1)
424 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
233 } 425 }
234 break; 426 break;
235 427
236 case EIO_OPEN: 428 case EIO_OPEN:
237 { 429 {
243 GV *gv = (GV *)sv_newmortal (); 435 GV *gv = (GV *)sv_newmortal ();
244 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 436 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
245 char sym [64]; 437 char sym [64];
246 int symlen; 438 int symlen;
247 439
248 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 440 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249 gv_init (gv, stash, sym, symlen, 0); 441 gv_init (gv, aio_stash, sym, symlen, 0);
250 442
251 symlen = snprintf ( 443 symlen = snprintf (
252 sym, 444 sym,
253 sizeof (sym), 445 sizeof (sym),
254 "%s&=%d", 446 "%s&=%d",
255 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 447 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256 req->result 448 (int)req->result
257 ); 449 );
258 450
259 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 451 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260 fh = (SV *)gv; 452 fh = (SV *)gv;
261 } 453 }
262 454
263 PUSHs (fh); 455 PUSHs (fh);
264 } 456 }
457 break;
458
459 case EIO_STATVFS:
460 case EIO_FSTATVFS:
461 {
462 SV *rv = &PL_sv_undef;
463
464 if (req->result >= 0)
465 {
466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467 HV *hv = newHV ();
468
469 rv = sv_2mortal (newRV_noinc ((SV *)hv));
470
471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
473 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
475 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
476 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
477 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
478 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
479 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
480 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
481 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
482 }
483
484 PUSHs (rv);
485 }
486
265 break; 487 break;
266 488
267 case EIO_GROUP: 489 case EIO_GROUP:
268 req->int1 = 2; /* mark group as finished */ 490 req->int1 = 2; /* mark group as finished */
269 491
291 case EIO_LSTAT: 513 case EIO_LSTAT:
292 case EIO_FSTAT: 514 case EIO_FSTAT:
293 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
294 PL_laststatval = req->result; 516 PL_laststatval = req->result;
295 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
296 PUSHs (sv_2mortal (newSViv (req->result))); 518 PUSHs (sv_result);
297 break; 519 break;
298 520
299 case EIO_READ: 521 case EIO_READ:
522 {
300 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301 *SvEND (req->sv2) = 0; 524 *SvEND (req->sv2) = 0;
302 PUSHs (sv_2mortal (newSViv (req->result))); 525 SvPOK_only (req->sv2);
526 SvSETMAGIC (req->sv2);
527 PUSHs (sv_result);
528 }
303 break; 529 break;
304 530
305 case EIO_DUP2: 531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
306 if (req->result > 0) 532 if (req->result > 0)
307 req->result = 0; 533 SvIV_set (sv_result, 0);
308 /* FALLTHROUGH */ 534 /* FALLTHROUGH */
309 535
310 default: 536 default:
311 PUSHs (sv_2mortal (newSViv (req->result))); 537 PUSHs (sv_result);
312 break; 538 break;
313 } 539 }
314 540
315 errno = req->errorno; 541 errno = req->errorno;
316 542
317 PUTBACK; 543 PUTBACK;
318 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 544 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
319 SPAGAIN; 545 SPAGAIN;
546
547 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
548 SvREFCNT_dec (sv_result);
549 else
550 sv_result_cache = sv_result;
320 551
321 FREETMPS; 552 FREETMPS;
322 LEAVE; 553 LEAVE;
323 554
324 PUTBACK; 555 PUTBACK;
353 grp->sv2 = 0; 584 grp->sv2 = 0;
354 585
355 eio_grp_cancel (grp); 586 eio_grp_cancel (grp);
356} 587}
357 588
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 589static void
365create_respipe (void) 590create_respipe (void)
366{ 591{
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)) 592 if (s_epipe_renew (&respipe))
376#endif
377 croak ("unable to initialize result pipe"); 593 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} 594}
401 595
402static void poll_wait (void) 596static void poll_wait (void)
403{ 597{
404 fd_set rfd;
405
406 while (eio_nreqs ()) 598 while (eio_nreqs ())
407 { 599 {
408 int size; 600 int size;
409 601
410 X_LOCK (reslock); 602 X_LOCK (reslock);
412 X_UNLOCK (reslock); 604 X_UNLOCK (reslock);
413 605
414 if (size) 606 if (size)
415 return; 607 return;
416 608
417 maybe_start_thread (); 609 etp_maybe_start_thread ();
418 610
419 FD_ZERO (&rfd); 611 s_epipe_wait (&respipe);
420 FD_SET (respipe [0], &rfd);
421
422 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423 } 612 }
424} 613}
425 614
426static int poll_cb (void) 615static int poll_cb (void)
427{ 616{
428 int res; 617 for (;;)
429
430 do
431 { 618 {
432 res = eio_poll (); 619 int res = eio_poll ();
433 620
434 if (res > 0) 621 if (res > 0)
435 croak (0); 622 croak (0);
623
624 if (!max_outstanding || max_outstanding > eio_nreqs ())
625 return res;
626
627 poll_wait ();
436 } 628 }
437 while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439 return res;
440} 629}
441 630
442static void atfork_child (void) 631static void atfork_child (void)
443{ 632{
444 create_respipe (); 633 create_respipe ();
445} 634}
446 635
636/*****************************************************************************/
637
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675
676/*****************************************************************************/
677
678static SV *
679get_cb (SV *cb_sv)
680{
681 SvGETMAGIC (cb_sv);
682 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
683}
684
447#define dREQ \ 685#define dREQ \
686 SV *cb_cv; \
448 aio_req req; \ 687 aio_req req; \
449 int req_pri = next_pri; \ 688 int req_pri = next_pri; \
450 next_pri = EIO_PRI_DEFAULT; \ 689 next_pri = EIO_PRI_DEFAULT; \
451 \ 690 \
452 if (SvOK (callback) && !SvROK (callback)) \ 691 cb_cv = get_cb (callback); \
453 croak ("callback must be undef or of reference type"); \
454 \ 692 \
455 Newz (0, req, 1, eio_req); \ 693 Newz (0, req, 1, eio_req); \
456 if (!req) \ 694 if (!req) \
457 croak ("out of memory during eio_req allocation"); \ 695 croak ("out of memory during eio_req allocation"); \
458 \ 696 \
459 req->callback = newSVsv (callback); \ 697 req->callback = SvREFCNT_inc (cb_cv); \
460 req->pri = req_pri 698 req->pri = req_pri
461 699
462#define REQ_SEND \ 700#define REQ_SEND \
701 PUTBACK; \
463 req_submit (req); \ 702 req_submit (req); \
703 SPAGAIN; \
464 \ 704 \
465 if (GIMME_V != G_VOID) \ 705 if (GIMME_V != G_VOID) \
466 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 706 XPUSHs (req_sv (req, aio_req_stash));
467 707
468MODULE = IO::AIO PACKAGE = IO::AIO 708MODULE = IO::AIO PACKAGE = IO::AIO
469 709
470PROTOTYPES: ENABLE 710PROTOTYPES: ENABLE
471 711
472BOOT: 712BOOT:
473{ 713{
474 stash = gv_stashpv ("IO::AIO", 1); 714 static const struct {
475 715 const char *name;
476 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 716 IV iv;
477 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 717 } *civ, const_iv[] = {
478 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 718# define const_niv(name, value) { # name, (IV) value },
479 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 719# define const_iv(name) { # name, (IV) name },
480 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 720# define const_eio(name) { # name, (IV) EIO_ ## name },
721 const_iv (EXDEV)
722 const_iv (ENOSYS)
723 const_iv (O_RDONLY)
724 const_iv (O_WRONLY)
725 const_iv (O_RDWR)
726 const_iv (O_CREAT)
727 const_iv (O_TRUNC)
728 const_iv (O_EXCL)
729 const_iv (O_APPEND)
481#ifndef _WIN32 730#ifndef _WIN32
482 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 731 const_iv (S_IFIFO)
483#endif 732#endif
733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
484 739
740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745
746 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC)
750 const_iv (ST_SYNCHRONOUS)
751 const_iv (ST_MANDLOCK)
752 const_iv (ST_WRITE)
753 const_iv (ST_APPEND)
754 const_iv (ST_IMMUTABLE)
755 const_iv (ST_NOATIME)
756 const_iv (ST_NODIRATIME)
757 const_iv (ST_RELATIME)
758
759 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC)
761 const_iv (PROT_READ)
762 const_iv (PROT_WRITE)
763
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED)
767 const_iv (MAP_ANONYMOUS)
768
769 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK)
775
776 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT)
778
779 const_eio (MS_ASYNC)
780 const_eio (MS_INVALIDATE)
781 const_eio (MS_SYNC)
782
783 const_eio (MT_MODIFY)
784
785 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
786 const_eio (SYNC_FILE_RANGE_WRITE)
787 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
788
789 const_eio (READDIR_DENTS)
790 const_eio (READDIR_DIRS_FIRST)
791 const_eio (READDIR_STAT_ORDER)
792 const_eio (READDIR_FOUND_UNKNOWN)
793
794 const_eio (DT_UNKNOWN)
795 const_eio (DT_FIFO)
796 const_eio (DT_CHR)
797 const_eio (DT_DIR)
798 const_eio (DT_BLK)
799 const_eio (DT_REG)
800 const_eio (DT_LNK)
801 const_eio (DT_SOCK)
802 const_eio (DT_WHT)
803 };
804
805 aio_stash = gv_stashpv ("IO::AIO" , 1);
806 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
808
809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
811
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
813
485 create_respipe (); 814 create_respipe ();
486 815
487 if (eio_init (want_poll, done_poll) < 0) 816 if (eio_init (want_poll, done_poll) < 0)
488 croak ("IO::AIO: unable to initialise eio library"); 817 croak ("IO::AIO: unable to initialise eio library");
489 818
490 /* atfork child called in fifo order, so before eio's handler */ 819 /* atfork child called in fifo order, so before eio's handler */
491 X_THREAD_ATFORK (0, 0, atfork_child); 820 X_THREAD_ATFORK (0, 0, atfork_child);
492} 821}
493 822
494void 823void
495max_poll_reqs (int nreqs) 824max_poll_reqs (int nreqs)
496 PROTOTYPE: $ 825 PROTOTYPE: $
527 CODE: 856 CODE:
528 max_outstanding = maxreqs; 857 max_outstanding = maxreqs;
529 858
530void 859void
531aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
532 PROTOTYPE: $$$;$
533 PPCODE: 861 PPCODE:
534{ 862{
535 dREQ; 863 dREQ;
536 864
537 req->type = EIO_OPEN; 865 req->type = EIO_OPEN;
543 REQ_SEND; 871 REQ_SEND;
544} 872}
545 873
546void 874void
547aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 875aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
548 PROTOTYPE: $;$
549 ALIAS: 876 ALIAS:
550 aio_fsync = EIO_FSYNC 877 aio_fsync = EIO_FSYNC
551 aio_fdatasync = EIO_FDATASYNC 878 aio_fdatasync = EIO_FDATASYNC
552 PPCODE: 879 PPCODE:
553{ 880{
881 int fd = s_fileno_croak (fh, 0);
554 dREQ; 882 dREQ;
555 883
556 req->type = ix; 884 req->type = ix;
557 req->sv1 = newSVsv (fh); 885 req->sv1 = newSVsv (fh);
558 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 886 req->int1 = fd;
559 887
560 REQ_SEND (req); 888 REQ_SEND (req);
561} 889}
562 890
563void 891void
892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
893 PPCODE:
894{
895 int fd = s_fileno_croak (fh, 0);
896 dREQ;
897
898 req->type = EIO_SYNC_FILE_RANGE;
899 req->sv1 = newSVsv (fh);
900 req->int1 = fd;
901 req->offs = offset;
902 req->size = nbytes;
903 req->int2 = flags;
904
905 REQ_SEND (req);
906}
907
908void
564aio_close (SV *fh, SV *callback=&PL_sv_undef) 909aio_close (SV *fh, SV *callback=&PL_sv_undef)
565 PROTOTYPE: $;$
566 PPCODE: 910 PPCODE:
567{ 911{
568 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
913 int fd = s_fileno_croak (fh, 0);
569 dREQ; 914 dREQ;
570 915
571 if (close_pipe < 0) 916 if (close_pipe < 0)
572 { 917 {
573 int pipefd [2]; 918 int pipefd [2];
581 } 926 }
582 927
583 req->type = EIO_DUP2; 928 req->type = EIO_DUP2;
584 req->int1 = close_pipe; 929 req->int1 = close_pipe;
585 req->sv2 = newSVsv (fh); 930 req->sv2 = newSVsv (fh);
586 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 931 req->int2 = fd;
587 932
588 REQ_SEND (req); 933 REQ_SEND (req);
589} 934}
590 935
591void 936void
592aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
593 ALIAS: 938 ALIAS:
594 aio_read = EIO_READ 939 aio_read = EIO_READ
595 aio_write = EIO_WRITE 940 aio_write = EIO_WRITE
596 PROTOTYPE: $$$$$;$
597 PPCODE: 941 PPCODE:
598{ 942{
599 STRLEN svlen; 943 STRLEN svlen;
944 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600 char *svptr = SvPVbyte (data, svlen); 945 char *svptr = SvPVbyte (data, svlen);
601 UV len = SvUV (length); 946 UV len = SvUV (length);
602
603 SvUPGRADE (data, SVt_PV);
604 SvPOK_on (data);
605 947
606 if (dataoffset < 0) 948 if (dataoffset < 0)
607 dataoffset += svlen; 949 dataoffset += svlen;
608 950
609 if (dataoffset < 0 || dataoffset > svlen) 951 if (dataoffset < 0 || dataoffset > svlen)
615 if (!SvOK (length) || len + dataoffset > svlen) 957 if (!SvOK (length) || len + dataoffset > svlen)
616 len = svlen - dataoffset; 958 len = svlen - dataoffset;
617 } 959 }
618 else 960 else
619 { 961 {
620 /* read: grow scalar as necessary */ 962 /* read: check type and grow scalar as necessary */
963 SvUPGRADE (data, SVt_PV);
621 svptr = SvGROW (data, len + dataoffset + 1); 964 svptr = SvGROW (data, len + dataoffset + 1);
622 } 965 }
623 966
624 if (len < 0)
625 croak ("length must not be negative");
626
627 { 967 {
628 dREQ; 968 dREQ;
629 969
630 req->type = ix; 970 req->type = ix;
631 req->sv1 = newSVsv (fh); 971 req->sv1 = newSVsv (fh);
632 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 972 req->int1 = fd;
633 : IoOFP (sv_2io (fh)));
634 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 973 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635 req->size = len; 974 req->size = len;
636 req->sv2 = SvREFCNT_inc (data); 975 req->sv2 = SvREFCNT_inc (data);
637 req->ptr2 = (char *)svptr + dataoffset; 976 req->ptr2 = (char *)svptr + dataoffset;
638 req->stroffset = dataoffset; 977 req->stroffset = dataoffset;
647 } 986 }
648} 987}
649 988
650void 989void
651aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
652 PROTOTYPE: $$;$
653 PPCODE: 991 PPCODE:
654{ 992{
655 SV *data; 993 SV *data;
656 dREQ; 994 dREQ;
657 995
661 999
662 REQ_SEND; 1000 REQ_SEND;
663} 1001}
664 1002
665void 1003void
666aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667 PROTOTYPE: $$$$;$
668 PPCODE: 1005 PPCODE:
669{ 1006{
1007 int ifd = s_fileno_croak (in_fh , 0);
1008 int ofd = s_fileno_croak (out_fh, 1);
670 dREQ; 1009 dREQ;
671 1010
672 req->type = EIO_SENDFILE; 1011 req->type = EIO_SENDFILE;
673 req->sv1 = newSVsv (out_fh); 1012 req->sv1 = newSVsv (out_fh);
674 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1013 req->int1 = ofd;
675 req->sv2 = newSVsv (in_fh); 1014 req->sv2 = newSVsv (in_fh);
676 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1015 req->int2 = ifd;
677 req->offs = SvVAL64 (in_offset); 1016 req->offs = in_offset;
678 req->size = length; 1017 req->size = length;
679 1018
680 REQ_SEND; 1019 REQ_SEND;
681} 1020}
682 1021
683void 1022void
684aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1024 PPCODE:
687{ 1025{
1026 int fd = s_fileno_croak (fh, 0);
688 dREQ; 1027 dREQ;
689 1028
690 req->type = EIO_READAHEAD; 1029 req->type = EIO_READAHEAD;
691 req->sv1 = newSVsv (fh); 1030 req->sv1 = newSVsv (fh);
692 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1031 req->int1 = fd;
693 req->offs = SvVAL64 (offset); 1032 req->offs = offset;
694 req->size = length; 1033 req->size = length;
695 1034
696 REQ_SEND; 1035 REQ_SEND;
697} 1036}
698 1037
699void 1038void
700aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1039aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
701 ALIAS: 1040 ALIAS:
702 aio_stat = EIO_STAT 1041 aio_stat = EIO_STAT
703 aio_lstat = EIO_LSTAT 1042 aio_lstat = EIO_LSTAT
1043 aio_statvfs = EIO_STATVFS
704 PPCODE: 1044 PPCODE:
705{ 1045{
706 dREQ; 1046 dREQ;
707 1047
708 req->sv1 = newSVsv (fh_or_path); 1048 req->sv1 = newSVsv (fh_or_path);
712 req->type = ix; 1052 req->type = ix;
713 req->ptr1 = SvPVbyte_nolen (req->sv1); 1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
714 } 1054 }
715 else 1055 else
716 { 1056 {
717 req->type = EIO_FSTAT; 1057 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
718 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1058 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719 } 1059 }
720 1060
721 REQ_SEND; 1061 REQ_SEND;
722} 1062}
817 1157
818 REQ_SEND; 1158 REQ_SEND;
819} 1159}
820 1160
821void 1161void
1162aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1163 PPCODE:
1164{
1165 dREQ;
1166
1167 req->type = EIO_READDIR;
1168 req->sv1 = newSVsv (pathname);
1169 req->ptr1 = SvPVbyte_nolen (req->sv1);
1170 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1171
1172 if (flags & EIO_READDIR_DENTS)
1173 req->int1 |= EIO_READDIR_CUSTOM2;
1174
1175 REQ_SEND;
1176}
1177
1178void
822aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1179aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
823 ALIAS: 1180 ALIAS:
824 aio_unlink = EIO_UNLINK 1181 aio_unlink = EIO_UNLINK
825 aio_rmdir = EIO_RMDIR 1182 aio_rmdir = EIO_RMDIR
826 aio_readdir = EIO_READDIR 1183 aio_readdir = EIO_READDIR
868 1225
869 REQ_SEND; 1226 REQ_SEND;
870} 1227}
871 1228
872void 1229void
1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1231 ALIAS:
1232 aio_mtouch = EIO_MTOUCH
1233 aio_msync = EIO_MSYNC
1234 PPCODE:
1235{
1236 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen);
1238 UV len = SvUV (length);
1239
1240 if (offset < 0)
1241 offset += svlen;
1242
1243 if (offset < 0 || offset > svlen)
1244 croak ("offset outside of scalar");
1245
1246 if (!SvOK (length) || len + offset > svlen)
1247 len = svlen - offset;
1248
1249 {
1250 dREQ;
1251
1252 req->type = ix;
1253 req->sv2 = SvREFCNT_inc (data);
1254 req->ptr2 = (char *)svptr + offset;
1255 req->size = len;
1256 req->int1 = flags;
1257
1258 REQ_SEND;
1259 }
1260}
1261
1262void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1264 PPCODE:
1265{
1266 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length);
1269
1270 if (offset < 0)
1271 offset += svlen;
1272
1273 if (offset < 0 || offset > svlen)
1274 croak ("offset outside of scalar");
1275
1276 if (!SvOK (length) || len + offset > svlen)
1277 len = svlen - offset;
1278
1279 {
1280 dREQ;
1281
1282 req->type = EIO_MLOCK;
1283 req->sv2 = SvREFCNT_inc (data);
1284 req->ptr2 = (char *)svptr + offset;
1285 req->size = len;
1286
1287 REQ_SEND;
1288 }
1289}
1290
1291void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1293 PPCODE:
1294{
1295 dREQ;
1296
1297 req->type = EIO_MLOCKALL;
1298 req->int1 = flags;
1299
1300 REQ_SEND;
1301}
1302
1303void
873aio_busy (double delay, SV *callback=&PL_sv_undef) 1304aio_busy (double delay, SV *callback=&PL_sv_undef)
874 PPCODE: 1305 PPCODE:
875{ 1306{
876 dREQ; 1307 dREQ;
877 1308
881 REQ_SEND; 1312 REQ_SEND;
882} 1313}
883 1314
884void 1315void
885aio_group (SV *callback=&PL_sv_undef) 1316aio_group (SV *callback=&PL_sv_undef)
886 PROTOTYPE: ;$
887 PPCODE: 1317 PPCODE:
888{ 1318{
889 dREQ; 1319 dREQ;
890 1320
891 req->type = EIO_GROUP; 1321 req->type = EIO_GROUP;
892 1322
893 eio_submit (req); 1323 req_submit (req);
894 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1324 XPUSHs (req_sv (req, aio_grp_stash));
895} 1325}
896 1326
897void 1327void
898aio_nop (SV *callback=&PL_sv_undef) 1328aio_nop (SV *callback=&PL_sv_undef)
899 ALIAS: 1329 ALIAS:
908 REQ_SEND; 1338 REQ_SEND;
909} 1339}
910 1340
911int 1341int
912aioreq_pri (int pri = 0) 1342aioreq_pri (int pri = 0)
913 PROTOTYPE: ;$
914 CODE: 1343 CODE:
915 RETVAL = next_pri; 1344 RETVAL = next_pri;
916 if (items > 0) 1345 if (items > 0)
917 { 1346 {
918 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
930 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1359 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931 next_pri = nice; 1360 next_pri = nice;
932 1361
933void 1362void
934flush () 1363flush ()
935 PROTOTYPE:
936 CODE: 1364 CODE:
937 while (eio_nreqs ()) 1365 while (eio_nreqs ())
938 { 1366 {
939 poll_wait (); 1367 poll_wait ();
940 poll_cb (); 1368 poll_cb ();
941 } 1369 }
942 1370
943int 1371int
944poll() 1372poll ()
945 PROTOTYPE:
946 CODE: 1373 CODE:
947 poll_wait (); 1374 poll_wait ();
948 RETVAL = poll_cb (); 1375 RETVAL = poll_cb ();
949 OUTPUT: 1376 OUTPUT:
950 RETVAL 1377 RETVAL
951 1378
952int 1379int
953poll_fileno() 1380poll_fileno ()
954 PROTOTYPE:
955 CODE: 1381 CODE:
956 RETVAL = respipe [0]; 1382 RETVAL = s_epipe_fd (&respipe);
957 OUTPUT: 1383 OUTPUT:
958 RETVAL 1384 RETVAL
959 1385
960int 1386int
961poll_cb(...) 1387poll_cb (...)
962 PROTOTYPE: 1388 PROTOTYPE:
963 CODE: 1389 CODE:
964 RETVAL = poll_cb (); 1390 RETVAL = poll_cb ();
965 OUTPUT: 1391 OUTPUT:
966 RETVAL 1392 RETVAL
967 1393
968void 1394void
969poll_wait() 1395poll_wait ()
970 PROTOTYPE:
971 CODE: 1396 CODE:
972 poll_wait (); 1397 poll_wait ();
973 1398
974int 1399int
975nreqs() 1400nreqs ()
976 PROTOTYPE:
977 CODE: 1401 CODE:
978 RETVAL = eio_nreqs (); 1402 RETVAL = eio_nreqs ();
979 OUTPUT: 1403 OUTPUT:
980 RETVAL 1404 RETVAL
981 1405
982int 1406int
983nready() 1407nready ()
984 PROTOTYPE:
985 CODE: 1408 CODE:
986 RETVAL = eio_nready (); 1409 RETVAL = eio_nready ();
987 OUTPUT: 1410 OUTPUT:
988 RETVAL 1411 RETVAL
989 1412
990int 1413int
991npending() 1414npending ()
992 PROTOTYPE:
993 CODE: 1415 CODE:
994 RETVAL = eio_npending (); 1416 RETVAL = eio_npending ();
995 OUTPUT: 1417 OUTPUT:
996 RETVAL 1418 RETVAL
997 1419
998int 1420int
999nthreads() 1421nthreads ()
1000 PROTOTYPE:
1001 CODE: 1422 CODE:
1002 RETVAL = eio_nthreads (); 1423 RETVAL = eio_nthreads ();
1003 OUTPUT: 1424 OUTPUT:
1004 RETVAL 1425 RETVAL
1005 1426
1427int
1428fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1429 CODE:
1430 RETVAL = posix_fadvise (fh, offset, length, advice);
1431 OUTPUT:
1432 RETVAL
1433
1434ssize_t
1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1436 CODE:
1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438 OUTPUT:
1439 RETVAL
1440
1441void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1443 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC);
1445{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1)
1449 XSRETURN_NO;
1450
1451 sv_force_normal (scalar);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458
1459 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar);
1461
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES;
1471}
1472
1473void
1474munmap (SV *scalar)
1475 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC);
1477
1478int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS:
1481 mprotect = 1
1482 CODE:
1483{
1484 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length);
1487
1488 if (offset < 0)
1489 offset += svlen;
1490
1491 if (offset < 0 || offset > svlen)
1492 croak ("offset outside of scalar");
1493
1494 if (!SvOK (length) || len + offset > svlen)
1495 len = svlen - offset;
1496
1497 addr = (void *)(((intptr_t)addr) + offset);
1498 eio_page_align (&addr, &len);
1499
1500 switch (ix)
1501 {
1502 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1503 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1504 }
1505}
1506 OUTPUT:
1507 RETVAL
1508
1509int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1511 CODE:
1512{
1513 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length);
1516
1517 if (offset < 0)
1518 offset += svlen;
1519
1520 if (offset < 0 || offset > svlen)
1521 croak ("offset outside of scalar");
1522
1523 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset;
1525
1526 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK
1529 RETVAL = munlock (addr, len);
1530#else
1531 RETVAL = ((errno = ENOSYS), -1);
1532#endif
1533}
1534 OUTPUT:
1535 RETVAL
1536
1537int
1538munlockall ()
1539 CODE:
1540#if _POSIX_MEMLOCK
1541 munlockall ();
1542#else
1543 RETVAL = -1;
1544 errno = ENOSYS;
1545#endif
1546 OUTPUT:
1547 RETVAL
1548
1006void _on_next_submit (SV *cb) 1549void _on_next_submit (SV *cb)
1007 CODE: 1550 CODE:
1008 SvREFCNT_dec (on_next_submit); 1551 SvREFCNT_dec (on_next_submit);
1009 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010 1553
1017 CODE: 1560 CODE:
1018 eio_cancel (req); 1561 eio_cancel (req);
1019 1562
1020void 1563void
1021cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1564cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022 CODE: 1565 PPCODE:
1566{
1567 if (GIMME_V != G_VOID)
1568 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1569
1570 if (items > 1)
1571 {
1572 SV *cb_cv =get_cb (callback);
1573
1023 SvREFCNT_dec (req->callback); 1574 SvREFCNT_dec (req->callback);
1024 req->callback = newSVsv (callback); 1575 req->callback = SvREFCNT_inc (cb_cv);
1576 }
1577}
1025 1578
1026MODULE = IO::AIO PACKAGE = IO::AIO::GRP 1579MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027 1580
1028void 1581void
1029add (aio_req grp, ...) 1582add (aio_req grp, ...)
1061 AV *av; 1614 AV *av;
1062 1615
1063 grp->errorno = errno; 1616 grp->errorno = errno;
1064 1617
1065 av = newAV (); 1618 av = newAV ();
1619 av_extend (av, items - 1);
1066 1620
1067 for (i = 1; i < items; ++i ) 1621 for (i = 1; i < items; ++i )
1068 av_push (av, newSVsv (ST (i))); 1622 av_push (av, newSVsv (ST (i)));
1069 1623
1070 SvREFCNT_dec (grp->sv1); 1624 SvREFCNT_dec (grp->sv1);
1084void 1638void
1085feed (aio_req grp, SV *callback=&PL_sv_undef) 1639feed (aio_req grp, SV *callback=&PL_sv_undef)
1086 CODE: 1640 CODE:
1087{ 1641{
1088 SvREFCNT_dec (grp->sv2); 1642 SvREFCNT_dec (grp->sv2);
1089 grp->sv2 = newSVsv (callback); 1643 grp->sv2 = newSVsv (callback);
1644 grp->feed = aio_grp_feed;
1090 1645
1091 if (grp->int2 <= 0) 1646 if (grp->int2 <= 0)
1092 grp->int2 = 2; 1647 grp->int2 = 2;
1093 1648
1094 eio_grp_limit (grp, grp->int2); 1649 eio_grp_limit (grp, grp->int2);

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines