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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.152 by root, Tue Jul 14 00:32:27 2009 UTC vs.
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC

… …
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <limits.h> 16#include <limits.h>
17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
20/* perl namespace pollution */ 24/* perl namespace pollution */
21#undef VERSION 25#undef VERSION
26
27/* perl stupidly overrides readdir and maybe others */
28/* with thread-unsafe versions, imagine that :( */
29#undef readdir
30#undef opendir
31#undef closedir
22 32
23#ifdef _WIN32 33#ifdef _WIN32
24 34
25# define EIO_STRUCT_DIRENT Direntry_t 35# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc 36# undef malloc
… …
30# undef open 40# undef open
31# undef read 41# undef read
32# undef write 42# undef write
33# undef send 43# undef send
34# undef recv 44# undef recv
35# undef stat 45# undef lstat
36# undef fstat
37# define lstat stat
38# undef truncate 46# undef truncate
39# undef ftruncate 47# undef ftruncate
40# undef open 48# undef open
49# undef link
41# undef close 50# undef close
42# undef unlink 51# undef unlink
52# undef mkdir
43# undef rmdir 53# undef rmdir
44# undef rename 54# undef rename
45# undef lseek 55# undef lseek
56# undef opendir
57# undef readdir
58# undef closedir
59# undef chmod
60# undef fchmod
46 61
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0) 62# define opendir(fd) EIO_ERRNO (ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1) 63# define readdir(fd) EIO_ENOSYS ()
58# define closedir(fd) (errno = ENOSYS, -1) 64# define closedir(fd) EIO_ENOSYS ()
59# define mkdir(a,b) mkdir (a)
60 65
61#else 66#else
62 67
63# include <sys/time.h> 68# include <sys/time.h>
64# include <sys/select.h> 69# include <sys/select.h>
65# include <unistd.h> 70# include <unistd.h>
66# include <utime.h> 71# include <utime.h>
67# include <signal.h> 72# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69 73
70#endif 74#endif
71
72/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */
74#undef readdir
75#undef opendir
76#undef closedir
77 75
78#define EIO_STRUCT_STAT Stat_t 76#define EIO_STRUCT_STAT Stat_t
79 77
80/* use NV for 32 bit perls as it allows larger offsets */ 78/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8 79#if IVSIZE >= 8
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 97#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 98#define expect_true(expr) expect ((expr) != 0, 1)
101 99
102/*****************************************************************************/ 100/*****************************************************************************/
103 101
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 102typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 103typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 104typedef int aio_wfd; /* write file descriptor */
108 105
109#define AIO_REQ_KLASS "IO::AIO::REQ" 106static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 107
112#define EIO_REQ_MEMBERS \ 108#define EIO_REQ_MEMBERS \
113 SV *callback; \ 109 SV *callback; \
114 SV *sv1, *sv2; \ 110 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 111 STRLEN stroffset; \
116 SV *self; 112 SV *self;
117 113
118#define EIO_NO_WRAPPERS 1 114#define EIO_NO_WRAPPERS 1
119 115
116#include "libeio/config.h"
120#include "libeio/eio.h" 117#include "libeio/eio.h"
118
119/* Linux/others */
120#ifndef O_ASYNC
121# define O_ASYNC 0
122#endif
123#ifndef O_DIRECT
124# define O_DIRECT 0
125#endif
126#ifndef O_NOATIME
127# define O_NOATIME 0
128#endif
129
130/* POSIX */
131#ifndef O_CLOEXEC
132# define O_CLOEXEC 0
133#endif
134#ifndef O_NOFOLLOW
135# define O_NOFOLLOW 0
136#endif
137#ifndef O_NOCTTY
138# define O_NOCTTY 0
139#endif
140#ifndef O_NONBLOCK
141# define O_NONBLOCK 0
142#endif
143#ifndef O_EXEC
144# define O_EXEC 0
145#endif
146#ifndef O_SEARCH
147# define O_SEARCH 0
148#endif
149#ifndef O_DIRECTORY
150# define O_DIRECTORY 0
151#endif
152#ifndef O_DSYNC
153# define O_DSYNC 0
154#endif
155#ifndef O_RSYNC
156# define O_RSYNC 0
157#endif
158#ifndef O_SYNC
159# define O_SYNC 0
160#endif
161#ifndef O_TTY_INIT
162# define O_TTY_INIT 0
163#endif
121 164
122#ifndef POSIX_FADV_NORMAL 165#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 166# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif 167#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 168#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 169# define POSIX_FADV_SEQUENTIAL 0
129#endif 170#endif
130
131#ifndef POSIX_FADV_RANDOM 171#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 172# define POSIX_FADV_RANDOM 0
133#endif 173#endif
134
135#ifndef POSIX_FADV_NOREUSE 174#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 175# define POSIX_FADV_NOREUSE 0
137#endif 176#endif
138
139#ifndef POSIX_FADV_WILLNEED 177#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 178# define POSIX_FADV_WILLNEED 0
141#endif 179#endif
142
143#ifndef POSIX_FADV_DONTNEED 180#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 181# define POSIX_FADV_DONTNEED 0
182#endif
183
184#if !HAVE_POSIX_FADVISE
185# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
186#endif
187
188#ifndef POSIX_MADV_NORMAL
189# define POSIX_MADV_NORMAL 0
190#endif
191#ifndef POSIX_MADV_SEQUENTIAL
192# define POSIX_MADV_SEQUENTIAL 0
193#endif
194#ifndef POSIX_MADV_RANDOM
195# define POSIX_MADV_RANDOM 0
196#endif
197#ifndef POSIX_MADV_WILLNEED
198# define POSIX_MADV_WILLNEED 0
199#endif
200#ifndef POSIX_MADV_DONTNEED
201# define POSIX_MADV_DONTNEED 0
202#endif
203
204#if !HAVE_POSIX_MADVISE
205# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206#endif
207
208#ifndef PROT_NONE
209# define PROT_NONE 0
210#endif
211#ifndef PROT_READ
212# define PROT_READ 0
213#endif
214#ifndef PROT_WRITE
215# define PROT_READ 0
216#endif
217#ifndef PROT_EXEC
218# define PROT_EXEC 0
219#endif
220
221#ifndef ST_RDONLY
222# define ST_RDONLY 0
223#endif
224#ifndef ST_NOSUID
225# define ST_NOSUID 0
226#endif
227#ifndef ST_NODEV
228# define ST_NODEV 0
229#endif
230#ifndef ST_NOEXEC
231# define ST_NOEXEC 0
232#endif
233#ifndef ST_SYNCHRONOUS
234# define ST_SYNCHRONOUS 0
235#endif
236#ifndef ST_MANDLOCK
237# define ST_MANDLOCK 0
238#endif
239#ifndef ST_WRITE
240# define ST_WRITE 0
241#endif
242#ifndef ST_APPEND
243# define ST_APPEND 0
244#endif
245#ifndef ST_IMMUTABLE
246# define ST_IMMUTABLE 0
247#endif
248#ifndef ST_NOATIME
249# define ST_NOATIME 0
250#endif
251#ifndef ST_NODIRATIME
252# define ST_NODIRATIME 0
253#endif
254#ifndef ST_RELATIME
255# define ST_RELATIME 0
256#endif
257
258#ifndef S_IFIFO
259# define S_IFIFO 0
260#endif
261#ifndef S_IFCHR
262# define S_IFCHR 0
263#endif
264#ifndef S_IFBLK
265# define S_IFBLK 0
266#endif
267#ifndef S_IFLNK
268# define S_IFLNK 0
269#endif
270#ifndef S_IFREG
271# define S_IFREG 0
272#endif
273#ifndef S_IFDIR
274# define S_IFDIR 0
275#endif
276#ifndef S_IFWHT
277# define S_IFWHT 0
278#endif
279#ifndef S_IFSOCK
280# define S_IFSOCK 0
281#endif
282
283#ifndef MAP_ANONYMOUS
284# ifdef MAP_ANON
285# define MAP_ANONYMOUS MAP_ANON
286# else
287# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288# endif
289#endif
290#ifndef MAP_HUGETLB
291# define MAP_HUGETLB 0
292#endif
293#ifndef MAP_LOCKED
294# define MAP_LOCKED 0
295#endif
296#ifndef MAP_NORESERVE
297# define MAP_NORESERVE 0
298#endif
299#ifndef MAP_POPULATE
300# define MAP_POPULATE 0
301#endif
302#ifndef MAP_NONBLOCK
303# define MAP_NONBLOCK 0
304#endif
305
306#ifndef makedev
307# define makedev(maj,min) (((maj) << 8) | (min))
308#endif
309#ifndef major
310# define major(dev) ((dev) >> 8)
311#endif
312#ifndef minor
313# define minor(dev) ((dev) & 0xff)
314#endif
315
316#ifndef PAGESIZE
317# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 318#endif
146 319
147static int req_invoke (eio_req *req); 320static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 321#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 322static void req_destroy (eio_req *grp);
… …
160 333
161static SV *on_next_submit; 334static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 335static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 336static int max_outstanding;
164 337
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 338static s_epipe respipe;
166 339
167static void req_destroy (aio_req req); 340static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 341static void req_cancel (aio_req req);
169 342
170static void want_poll (void) 343static void want_poll (void)
171{ 344{
172 /* write a dummy byte to the pipe so fh becomes ready */ 345 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 346 s_epipe_signal (&respipe);
174} 347}
175 348
176static void done_poll (void) 349static void done_poll (void)
177{ 350{
178 /* read any signals sent by the worker threads */ 351 /* read any signals sent by the worker threads */
179 char buf [4]; 352 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 353}
183 354
184/* must be called at most once */ 355/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 356static SV *req_sv (aio_req req, HV *stash)
186{ 357{
187 if (!req->self) 358 if (!req->self)
188 { 359 {
189 req->self = (SV *)newHV (); 360 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 361 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 362 }
192 363
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 364 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 365}
195 366
196static aio_req SvAIO_REQ (SV *sv) 367static aio_req SvAIO_REQ (SV *sv)
197{ 368{
198 MAGIC *mg; 369 MAGIC *mg;
199 370
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 371 if (!SvROK (sv)
372 || (SvSTASH (SvRV (sv)) != aio_grp_stash
373 && SvSTASH (SvRV (sv)) != aio_req_stash
374 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 375 croak ("object of class IO::AIO::REQ expected");
202 376
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 377 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 378
205 return mg ? (aio_req)mg->mg_ptr : 0; 379 return mg ? (aio_req)mg->mg_ptr : 0;
206} 380}
… …
212 dSP; 386 dSP;
213 387
214 ENTER; 388 ENTER;
215 SAVETMPS; 389 SAVETMPS;
216 PUSHMARK (SP); 390 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 391 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 392 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 393 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 394 SPAGAIN;
221 FREETMPS; 395 FREETMPS;
222 LEAVE; 396 LEAVE;
… …
240 } 414 }
241} 415}
242 416
243static int req_invoke (eio_req *req) 417static int req_invoke (eio_req *req)
244{ 418{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 419 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 420 SvREADONLY_off (req->sv2);
249 421
250 if (!EIO_CANCELLED (req) && req->callback) 422 if (!EIO_CANCELLED (req) && req->callback)
251 { 423 {
424 dSP;
425 static SV *sv_result_cache; /* caches the result integer SV */
426 SV *sv_result;
427
252 ENTER; 428 ENTER;
253 SAVETMPS; 429 SAVETMPS;
254 PUSHMARK (SP); 430 PUSHMARK (SP);
255 EXTEND (SP, 1); 431 EXTEND (SP, 1);
432
433 /* do not recreate the result IV from scratch each time */
434 if (expect_true (sv_result_cache))
435 {
436 sv_result = sv_result_cache; sv_result_cache = 0;
437 SvIV_set (sv_result, req->result);
438 SvIOK_only (sv_result);
439 }
440 else
441 {
442 sv_result = newSViv (req->result);
443 SvREADONLY_on (sv_result);
444 }
256 445
257 switch (req->type) 446 switch (req->type)
258 { 447 {
259 case EIO_READDIR: 448 case EIO_READDIR:
260 { 449 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 517 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 518 char sym [64];
330 int symlen; 519 int symlen;
331 520
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 521 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 522 gv_init (gv, aio_stash, sym, symlen, 0);
334 523
335 symlen = snprintf ( 524 symlen = snprintf (
336 sym, 525 sym,
337 sizeof (sym), 526 sizeof (sym),
338 "%s&=%d", 527 "%s&=%d",
… …
346 535
347 PUSHs (fh); 536 PUSHs (fh);
348 } 537 }
349 break; 538 break;
350 539
540 case EIO_STATVFS:
541 case EIO_FSTATVFS:
542 {
543 SV *rv = &PL_sv_undef;
544
545#ifndef _WIN32
546 if (req->result >= 0)
547 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV ();
550
551 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
555 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 }
565#endif
566
567 PUSHs (rv);
568 }
569
570 break;
571
351 case EIO_GROUP: 572 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 573 req->int1 = 2; /* mark group as finished */
353 574
354 if (req->sv1) 575 if (req->sv1)
355 { 576 {
… …
365 case EIO_NOP: 586 case EIO_NOP:
366 case EIO_BUSY: 587 case EIO_BUSY:
367 break; 588 break;
368 589
369 case EIO_READLINK: 590 case EIO_READLINK:
591 case EIO_REALPATH:
370 if (req->result > 0) 592 if (req->result > 0)
371 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 593 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
372 break; 594 break;
373 595
374 case EIO_STAT: 596 case EIO_STAT:
375 case EIO_LSTAT: 597 case EIO_LSTAT:
376 case EIO_FSTAT: 598 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 599 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 600 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 601 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 602 PUSHs (sv_result);
381 break; 603 break;
382 604
383 case EIO_READ: 605 case EIO_READ:
384 { 606 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 607 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 608 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 609 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 610 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 611 PUSHs (sv_result);
390 } 612 }
391 break; 613 break;
392 614
393 case EIO_DUP2: 615 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
394 if (req->result > 0) 616 if (req->result > 0)
395 req->result = 0; 617 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 618 /* FALLTHROUGH */
397 619
398 default: 620 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 621 PUSHs (sv_result);
400 break; 622 break;
401 } 623 }
402 624
403 errno = req->errorno; 625 errno = req->errorno;
404 626
405 PUTBACK; 627 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 628 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 629 SPAGAIN;
630
631 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
632 SvREFCNT_dec (sv_result);
633 else
634 sv_result_cache = sv_result;
408 635
409 FREETMPS; 636 FREETMPS;
410 LEAVE; 637 LEAVE;
411 638
412 PUTBACK; 639 PUTBACK;
… …
441 grp->sv2 = 0; 668 grp->sv2 = 0;
442 669
443 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
444} 671}
445 672
446#ifdef USE_SOCKETS_AS_HANDLES
447# define TO_SOCKET(x) (win32_get_osfhandle (x))
448#else
449# define TO_SOCKET(x) (x)
450#endif
451
452static void
453create_respipe (void) 673static void create_respipe (void)
454{ 674{
455 int old_readfd = respipe [0];
456
457 if (respipe [1] >= 0)
458 respipe_close (TO_SOCKET (respipe [1]));
459
460#ifdef _WIN32
461 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
462#else
463 if (pipe (respipe)) 675 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
466
467 if (old_readfd >= 0)
468 {
469 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
470 croak ("unable to initialize result pipe(2)");
471
472 respipe_close (respipe [0]);
473 respipe [0] = old_readfd;
474 }
475
476#ifdef _WIN32
477 int arg = 1;
478 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
479 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
480#else
481 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
482 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
483#endif
484 croak ("unable to initialize result pipe(3)");
485
486 respipe_osf [0] = TO_SOCKET (respipe [0]);
487 respipe_osf [1] = TO_SOCKET (respipe [1]);
488} 677}
489 678
490static void poll_wait (void) 679static void poll_wait (void)
491{ 680{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 681 while (eio_nreqs ())
495 { 682 {
496 int size; 683 int size;
497 684
498 X_LOCK (reslock); 685 X_LOCK (reslock);
… …
502 if (size) 689 if (size)
503 return; 690 return;
504 691
505 etp_maybe_start_thread (); 692 etp_maybe_start_thread ();
506 693
507 FD_ZERO (&rfd); 694 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 695 }
512} 696}
513 697
514static int poll_cb (void) 698static int poll_cb (void)
515{ 699{
… …
530static void atfork_child (void) 714static void atfork_child (void)
531{ 715{
532 create_respipe (); 716 create_respipe ();
533} 717}
534 718
535static SV * 719/*****************************************************************************/
720
721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
735#define MMAP_MAGIC PERL_MAGIC_ext
736
737static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
738{
739 int old_errno = errno;
740 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741 errno = old_errno;
742
743 mg->mg_obj = 0; /* just in case */
744
745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
750 SvCUR_set (sv, 0);
751 SvPVX (sv) = 0;
752 SvOK_off (sv);
753
754 return 0;
755}
756
757static MGVTBL mmap_vtbl = {
758 0, 0, 0, 0, mmap_free
759};
760
761/*****************************************************************************/
762
536get_cb (SV *cb_sv) 763static SV * get_cb (SV *cb_sv)
537{ 764{
538 SvGETMAGIC (cb_sv); 765 SvGETMAGIC (cb_sv);
539 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
540} 767}
541 768
… …
558 PUTBACK; \ 785 PUTBACK; \
559 req_submit (req); \ 786 req_submit (req); \
560 SPAGAIN; \ 787 SPAGAIN; \
561 \ 788 \
562 if (GIMME_V != G_VOID) \ 789 if (GIMME_V != G_VOID) \
563 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 790 XPUSHs (req_sv (req, aio_req_stash));
564 791
565MODULE = IO::AIO PACKAGE = IO::AIO 792MODULE = IO::AIO PACKAGE = IO::AIO
566 793
567PROTOTYPES: ENABLE 794PROTOTYPES: ENABLE
568 795
… …
570{ 797{
571 static const struct { 798 static const struct {
572 const char *name; 799 const char *name;
573 IV iv; 800 IV iv;
574 } *civ, const_iv[] = { 801 } *civ, const_iv[] = {
575# define const_iv(name, value) { # name, (IV) value }, 802# define const_niv(name, value) { # name, (IV) value },
803# define const_iv(name) { # name, (IV) name },
576# define const_eio(name) { # name, (IV) EIO_ ## name }, 804# define const_eio(name) { # name, (IV) EIO_ ## name },
577 const_iv (EXDEV , EXDEV) 805 const_iv (EXDEV)
578 const_iv (ENOSYS , ENOSYS) 806 const_iv (ENOSYS)
579 const_iv (O_RDONLY, O_RDONLY) 807 const_iv (O_RDONLY)
580 const_iv (O_WRONLY, O_WRONLY) 808 const_iv (O_WRONLY)
809 const_iv (O_RDWR)
581 const_iv (O_CREAT , O_CREAT) 810 const_iv (O_CREAT)
582 const_iv (O_TRUNC , O_TRUNC) 811 const_iv (O_TRUNC)
583#ifndef _WIN32 812 const_iv (O_EXCL)
813 const_iv (O_APPEND)
814
815 const_iv (O_ASYNC)
816 const_iv (O_DIRECT)
817 const_iv (O_NOATIME)
818
819 const_iv (O_CLOEXEC)
820 const_iv (O_NOCTTY)
821 const_iv (O_NOFOLLOW)
822 const_iv (O_NONBLOCK)
823 const_iv (O_EXEC)
824 const_iv (O_SEARCH)
825 const_iv (O_DIRECTORY)
826 const_iv (O_DSYNC)
827 const_iv (O_RSYNC)
828 const_iv (O_SYNC)
829 const_iv (O_TTY_INIT)
830
584 const_iv (S_IFIFO , S_IFIFO) 831 const_iv (S_IFIFO)
585#endif 832 const_iv (S_IFCHR)
833 const_iv (S_IFBLK)
834 const_iv (S_IFLNK)
835 const_iv (S_IFREG)
836 const_iv (S_IFDIR)
837 const_iv (S_IFWHT)
838 const_iv (S_IFSOCK)
839 const_iv (S_IFMT)
840
586 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 841 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
587 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 842 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
588 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 843 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
589 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 844 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
590 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 845 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
591 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 846 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
847
848 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
849 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
850 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
851 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
852 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
853
854 const_iv (ST_RDONLY)
855 const_iv (ST_NOSUID)
856 const_iv (ST_NODEV)
857 const_iv (ST_NOEXEC)
858 const_iv (ST_SYNCHRONOUS)
859 const_iv (ST_MANDLOCK)
860 const_iv (ST_WRITE)
861 const_iv (ST_APPEND)
862 const_iv (ST_IMMUTABLE)
863 const_iv (ST_NOATIME)
864 const_iv (ST_NODIRATIME)
865 const_iv (ST_RELATIME)
866
867 const_iv (PROT_NONE)
868 const_iv (PROT_EXEC)
869 const_iv (PROT_READ)
870 const_iv (PROT_WRITE)
871
872 /*const_iv (MAP_FIXED)*/
873 const_iv (MAP_PRIVATE)
874 const_iv (MAP_SHARED)
875 const_iv (MAP_ANONYMOUS)
876
877 /* linuxish */
878 const_iv (MAP_HUGETLB)
879 const_iv (MAP_LOCKED)
880 const_iv (MAP_NORESERVE)
881 const_iv (MAP_POPULATE)
882 const_iv (MAP_NONBLOCK)
883
884 const_eio (MCL_FUTURE)
885 const_eio (MCL_CURRENT)
886
887 const_eio (MS_ASYNC)
888 const_eio (MS_INVALIDATE)
889 const_eio (MS_SYNC)
890
891 const_eio (MT_MODIFY)
592 892
593 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 893 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
594 const_eio (SYNC_FILE_RANGE_WRITE) 894 const_eio (SYNC_FILE_RANGE_WRITE)
595 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 895 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896
897 const_eio (FALLOC_FL_KEEP_SIZE)
596 898
597 const_eio (READDIR_DENTS) 899 const_eio (READDIR_DENTS)
598 const_eio (READDIR_DIRS_FIRST) 900 const_eio (READDIR_DIRS_FIRST)
599 const_eio (READDIR_STAT_ORDER) 901 const_eio (READDIR_STAT_ORDER)
600 const_eio (READDIR_FOUND_UNKNOWN) 902 const_eio (READDIR_FOUND_UNKNOWN)
… …
608 const_eio (DT_LNK) 910 const_eio (DT_LNK)
609 const_eio (DT_SOCK) 911 const_eio (DT_SOCK)
610 const_eio (DT_WHT) 912 const_eio (DT_WHT)
611 }; 913 };
612 914
613 stash = gv_stashpv ("IO::AIO", 1); 915 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
614 918
615 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
616 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
921
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
617 923
618 create_respipe (); 924 create_respipe ();
619 925
620 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
621 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
… …
623 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
624 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
625} 931}
626 932
627void 933void
628max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
629 PROTOTYPE: $ 935 PROTOTYPE: $
630 CODE: 936 CODE:
631 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
632 938
633void 939void
… …
635 PROTOTYPE: $ 941 PROTOTYPE: $
636 CODE: 942 CODE:
637 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
638 944
639void 945void
640min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
641 PROTOTYPE: $ 947 PROTOTYPE: $
642 CODE: 948 CODE:
643 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
644 950
645void 951void
646max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
647 PROTOTYPE: $ 953 PROTOTYPE: $
648 CODE: 954 CODE:
649 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
650 956
651void 957void
652max_idle (int nthreads) 958max_idle (unsigned int nthreads)
653 PROTOTYPE: $ 959 PROTOTYPE: $
654 CODE: 960 CODE:
655 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
656 962
657void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
658max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
659 PROTOTYPE: $ 971 PROTOTYPE: $
660 CODE: 972 CODE:
661 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
662 974
663void 975void
664aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
665 PROTOTYPE: $$$;$
666 PPCODE: 977 PPCODE:
667{ 978{
668 dREQ; 979 dREQ;
669 980
670 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
676 REQ_SEND; 987 REQ_SEND;
677} 988}
678 989
679void 990void
680aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $;$
682 ALIAS: 992 ALIAS:
683 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
684 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
685 PPCODE: 995 PPCODE:
686{ 996{
… …
694 REQ_SEND (req); 1004 REQ_SEND (req);
695} 1005}
696 1006
697void 1007void
698aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $$$$;$
700 PPCODE: 1009 PPCODE:
701{ 1010{
702 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
703 dREQ; 1012 dREQ;
704 1013
… …
711 1020
712 REQ_SEND (req); 1021 REQ_SEND (req);
713} 1022}
714 1023
715void 1024void
716aio_close (SV *fh, SV *callback=&PL_sv_undef) 1025aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
717 PROTOTYPE: $;$
718 PPCODE: 1026 PPCODE:
719{ 1027{
720 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
721 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
722 dREQ; 1029 dREQ;
723 1030
724 if (close_pipe < 0) 1031 req->type = EIO_FALLOCATE;
1032 req->sv1 = newSVsv (fh);
1033 req->int1 = fd;
1034 req->int2 = mode;
1035 req->offs = offset;
1036 req->size = len;
1037
1038 REQ_SEND (req);
1039}
1040
1041void
1042aio_close (SV *fh, SV *callback=&PL_sv_undef)
1043 PPCODE:
1044{
1045 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046 int fd = s_fileno_croak (fh, 0);
1047 dREQ;
1048
1049 if (expect_false (close_fd < 0))
725 { 1050 {
1051#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);
1053#else
726 int pipefd [2]; 1054 int pipefd [2];
727 1055
728 if (pipe (pipefd) < 0 1056 if (pipe (pipefd) < 0
729 || close (pipefd [1]) < 0 1057 || close (pipefd [1]) < 0
730 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
731 abort (); /*D*/ 1059 abort (); /*D*/
732 1060
733 close_pipe = pipefd [0]; 1061 close_fd = pipefd [0];
1062#endif
734 } 1063 }
735 1064
736 req->type = EIO_DUP2; 1065 req->type = EIO_DUP2;
737 req->int1 = close_pipe; 1066 req->int1 = close_fd;
738 req->sv2 = newSVsv (fh); 1067 req->sv2 = newSVsv (fh);
739 req->int2 = fd; 1068 req->int2 = fd;
740 1069
741 REQ_SEND (req); 1070 REQ_SEND (req);
742} 1071}
… …
744void 1073void
745aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1074aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
746 ALIAS: 1075 ALIAS:
747 aio_read = EIO_READ 1076 aio_read = EIO_READ
748 aio_write = EIO_WRITE 1077 aio_write = EIO_WRITE
749 PROTOTYPE: $$$$$;$
750 PPCODE: 1078 PPCODE:
751{ 1079{
752 STRLEN svlen; 1080 STRLEN svlen;
753 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1081 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
754 char *svptr = SvPVbyte (data, svlen); 1082 char *svptr = SvPVbyte (data, svlen);
… …
795 } 1123 }
796} 1124}
797 1125
798void 1126void
799aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$;$ 1128 ALIAS:
1129 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH
801 PPCODE: 1131 PPCODE:
802{ 1132{
803 SV *data; 1133 SV *data;
804 dREQ; 1134 dREQ;
805 1135
806 req->type = EIO_READLINK; 1136 req->type = ix;
807 req->sv1 = newSVsv (path); 1137 req->sv1 = newSVsv (path);
808 req->ptr1 = SvPVbyte_nolen (req->sv1); 1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
809 1139
810 REQ_SEND; 1140 REQ_SEND;
811} 1141}
812 1142
813void 1143void
814aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1144aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
815 PROTOTYPE: $$$$;$
816 PPCODE: 1145 PPCODE:
817{ 1146{
818 int ifd = s_fileno_croak (in_fh , 0); 1147 int ifd = s_fileno_croak (in_fh , 0);
819 int ofd = s_fileno_croak (out_fh, 1); 1148 int ofd = s_fileno_croak (out_fh, 1);
820 dREQ; 1149 dREQ;
… …
830 REQ_SEND; 1159 REQ_SEND;
831} 1160}
832 1161
833void 1162void
834aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1163aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$;$
836 PPCODE: 1164 PPCODE:
837{ 1165{
838 int fd = s_fileno_croak (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1167 dREQ;
840 1168
… …
848} 1176}
849 1177
850void 1178void
851aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1179aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
852 ALIAS: 1180 ALIAS:
853 aio_stat = EIO_STAT 1181 aio_stat = EIO_STAT
854 aio_lstat = EIO_LSTAT 1182 aio_lstat = EIO_LSTAT
1183 aio_statvfs = EIO_STATVFS
855 PPCODE: 1184 PPCODE:
856{ 1185{
857 dREQ; 1186 dREQ;
858 1187
859 req->sv1 = newSVsv (fh_or_path); 1188 req->sv1 = newSVsv (fh_or_path);
… …
863 req->type = ix; 1192 req->type = ix;
864 req->ptr1 = SvPVbyte_nolen (req->sv1); 1193 req->ptr1 = SvPVbyte_nolen (req->sv1);
865 } 1194 }
866 else 1195 else
867 { 1196 {
868 req->type = EIO_FSTAT; 1197 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
869 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1198 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
870 } 1199 }
871 1200
872 REQ_SEND; 1201 REQ_SEND;
873} 1202}
1203
1204UV
1205major (UV dev)
1206 ALIAS:
1207 minor = 1
1208 CODE:
1209 RETVAL = ix ? major (dev) : minor (dev);
1210 OUTPUT:
1211 RETVAL
1212
1213UV
1214makedev (UV maj, UV min)
1215 CODE:
1216 RETVAL = makedev (maj, min);
1217 OUTPUT:
1218 RETVAL
874 1219
875void 1220void
876aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1221aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
877 PPCODE: 1222 PPCODE:
878{ 1223{
… …
1036 1381
1037 REQ_SEND; 1382 REQ_SEND;
1038} 1383}
1039 1384
1040void 1385void
1386aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1387 ALIAS:
1388 aio_mtouch = EIO_MTOUCH
1389 aio_msync = EIO_MSYNC
1390 PPCODE:
1391{
1392 STRLEN svlen;
1393 char *svptr = SvPVbyte (data, svlen);
1394 UV len = SvUV (length);
1395
1396 if (offset < 0)
1397 offset += svlen;
1398
1399 if (offset < 0 || offset > svlen)
1400 croak ("offset outside of scalar");
1401
1402 if (!SvOK (length) || len + offset > svlen)
1403 len = svlen - offset;
1404
1405 {
1406 dREQ;
1407
1408 req->type = ix;
1409 req->sv2 = SvREFCNT_inc (data);
1410 req->ptr2 = (char *)svptr + offset;
1411 req->size = len;
1412 req->int1 = flags;
1413
1414 REQ_SEND;
1415 }
1416}
1417
1418void
1419aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1420 PPCODE:
1421{
1422 STRLEN svlen;
1423 char *svptr = SvPVbyte (data, svlen);
1424 UV len = SvUV (length);
1425
1426 if (offset < 0)
1427 offset += svlen;
1428
1429 if (offset < 0 || offset > svlen)
1430 croak ("offset outside of scalar");
1431
1432 if (!SvOK (length) || len + offset > svlen)
1433 len = svlen - offset;
1434
1435 {
1436 dREQ;
1437
1438 req->type = EIO_MLOCK;
1439 req->sv2 = SvREFCNT_inc (data);
1440 req->ptr2 = (char *)svptr + offset;
1441 req->size = len;
1442
1443 REQ_SEND;
1444 }
1445}
1446
1447void
1448aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1449 PPCODE:
1450{
1451 dREQ;
1452
1453 req->type = EIO_MLOCKALL;
1454 req->int1 = flags;
1455
1456 REQ_SEND;
1457}
1458
1459void
1041aio_busy (double delay, SV *callback=&PL_sv_undef) 1460aio_busy (double delay, SV *callback=&PL_sv_undef)
1042 PPCODE: 1461 PPCODE:
1043{ 1462{
1044 dREQ; 1463 dREQ;
1045 1464
… …
1049 REQ_SEND; 1468 REQ_SEND;
1050} 1469}
1051 1470
1052void 1471void
1053aio_group (SV *callback=&PL_sv_undef) 1472aio_group (SV *callback=&PL_sv_undef)
1054 PROTOTYPE: ;$
1055 PPCODE: 1473 PPCODE:
1056{ 1474{
1057 dREQ; 1475 dREQ;
1058 1476
1059 req->type = EIO_GROUP; 1477 req->type = EIO_GROUP;
1060 1478
1061 req_submit (req); 1479 req_submit (req);
1062 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1480 XPUSHs (req_sv (req, aio_grp_stash));
1063} 1481}
1064 1482
1065void 1483void
1066aio_nop (SV *callback=&PL_sv_undef) 1484aio_nop (SV *callback=&PL_sv_undef)
1067 ALIAS: 1485 ALIAS:
… …
1076 REQ_SEND; 1494 REQ_SEND;
1077} 1495}
1078 1496
1079int 1497int
1080aioreq_pri (int pri = 0) 1498aioreq_pri (int pri = 0)
1081 PROTOTYPE: ;$
1082 CODE: 1499 CODE:
1083 RETVAL = next_pri; 1500 RETVAL = next_pri;
1084 if (items > 0) 1501 if (items > 0)
1085 { 1502 {
1086 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1503 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1098 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1515 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1099 next_pri = nice; 1516 next_pri = nice;
1100 1517
1101void 1518void
1102flush () 1519flush ()
1103 PROTOTYPE:
1104 CODE: 1520 CODE:
1105 while (eio_nreqs ()) 1521 while (eio_nreqs ())
1106 { 1522 {
1107 poll_wait (); 1523 poll_wait ();
1108 poll_cb (); 1524 poll_cb ();
1109 } 1525 }
1110 1526
1111int 1527int
1112poll() 1528poll ()
1113 PROTOTYPE:
1114 CODE: 1529 CODE:
1115 poll_wait (); 1530 poll_wait ();
1116 RETVAL = poll_cb (); 1531 RETVAL = poll_cb ();
1117 OUTPUT: 1532 OUTPUT:
1118 RETVAL 1533 RETVAL
1119 1534
1120int 1535int
1121poll_fileno() 1536poll_fileno ()
1122 PROTOTYPE:
1123 CODE: 1537 CODE:
1124 RETVAL = respipe [0]; 1538 RETVAL = s_epipe_fd (&respipe);
1125 OUTPUT: 1539 OUTPUT:
1126 RETVAL 1540 RETVAL
1127 1541
1128int 1542int
1129poll_cb(...) 1543poll_cb (...)
1130 PROTOTYPE: 1544 PROTOTYPE:
1131 CODE: 1545 CODE:
1132 RETVAL = poll_cb (); 1546 RETVAL = poll_cb ();
1133 OUTPUT: 1547 OUTPUT:
1134 RETVAL 1548 RETVAL
1135 1549
1136void 1550void
1137poll_wait() 1551poll_wait ()
1138 PROTOTYPE:
1139 CODE: 1552 CODE:
1140 poll_wait (); 1553 poll_wait ();
1141 1554
1142int 1555int
1143nreqs() 1556nreqs ()
1144 PROTOTYPE:
1145 CODE: 1557 CODE:
1146 RETVAL = eio_nreqs (); 1558 RETVAL = eio_nreqs ();
1147 OUTPUT: 1559 OUTPUT:
1148 RETVAL 1560 RETVAL
1149 1561
1150int 1562int
1151nready() 1563nready ()
1152 PROTOTYPE:
1153 CODE: 1564 CODE:
1154 RETVAL = eio_nready (); 1565 RETVAL = eio_nready ();
1155 OUTPUT: 1566 OUTPUT:
1156 RETVAL 1567 RETVAL
1157 1568
1158int 1569int
1159npending() 1570npending ()
1160 PROTOTYPE:
1161 CODE: 1571 CODE:
1162 RETVAL = eio_npending (); 1572 RETVAL = eio_npending ();
1163 OUTPUT: 1573 OUTPUT:
1164 RETVAL 1574 RETVAL
1165 1575
1166int 1576int
1167nthreads() 1577nthreads ()
1168 PROTOTYPE:
1169 CODE: 1578 CODE:
1170 RETVAL = eio_nthreads (); 1579 RETVAL = eio_nthreads ();
1171 OUTPUT: 1580 OUTPUT:
1172 RETVAL 1581 RETVAL
1173 1582
1174int 1583int
1175fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1584fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1176 PROTOTYPE: $$$$
1177 CODE: 1585 CODE:
1178#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1179 RETVAL = posix_fadvise (fh, offset, length, advice); 1586 RETVAL = posix_fadvise (fh, offset, length, advice);
1180#else
1181 RETVAL = errno = ENOSYS;
1182#endif
1183 OUTPUT: 1587 OUTPUT:
1184 RETVAL 1588 RETVAL
1185 1589
1186ssize_t 1590ssize_t
1187sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1188 PROTOTYPE: $$$$
1189 CODE: 1592 CODE:
1190 eio_sendfile_sync (ofh, ifh, offset, count); 1593 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594 OUTPUT:
1595 RETVAL
1596
1597void
1598mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1599 PPCODE:
1600 sv_unmagic (scalar, MMAP_MAGIC);
1601{
1602 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1604 if (addr == (void *)-1)
1605 XSRETURN_NO;
1606
1607 sv_force_normal (scalar);
1608
1609 /* we store the length in mg_obj, as namlen is I32 :/ */
1610 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1611 ->mg_obj = (SV *)length;
1612
1613 SvUPGRADE (scalar, SVt_PV); /* nop... */
1614
1615 if (!(prot & PROT_WRITE))
1616 SvREADONLY_on (scalar);
1617
1618 if (SvLEN (scalar))
1619 Safefree (SvPVX (scalar));
1620
1621 SvPVX (scalar) = (char *)addr;
1622 SvCUR_set (scalar, length);
1623 SvLEN_set (scalar, 0);
1624 SvPOK_only (scalar);
1625
1626 XSRETURN_YES;
1627}
1628
1629void
1630munmap (SV *scalar)
1631 CODE:
1632 sv_unmagic (scalar, MMAP_MAGIC);
1633
1634int
1635madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1636 ALIAS:
1637 mprotect = 1
1638 CODE:
1639{
1640 STRLEN svlen;
1641 void *addr = SvPVbyte (scalar, svlen);
1642 size_t len = SvUV (length);
1643
1644 if (offset < 0)
1645 offset += svlen;
1646
1647 if (offset < 0 || offset > svlen)
1648 croak ("offset outside of scalar");
1649
1650 if (!SvOK (length) || len + offset > svlen)
1651 len = svlen - offset;
1652
1653 addr = (void *)(((intptr_t)addr) + offset);
1654 eio_page_align (&addr, &len);
1655
1656 switch (ix)
1657 {
1658 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1659 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1660 }
1661}
1662 OUTPUT:
1663 RETVAL
1664
1665int
1666munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1667 CODE:
1668{
1669 STRLEN svlen;
1670 void *addr = SvPVbyte (scalar, svlen);
1671 size_t len = SvUV (length);
1672
1673 if (offset < 0)
1674 offset += svlen;
1675
1676 if (offset < 0 || offset > svlen)
1677 croak ("offset outside of scalar");
1678
1679 if (!SvOK (length) || len + offset > svlen)
1680 len = svlen - offset;
1681
1682 addr = (void *)(((intptr_t)addr) + offset);
1683 eio_page_align (&addr, &len);
1684#if _POSIX_MEMLOCK_RANGE
1685 RETVAL = munlock (addr, len);
1686#else
1687 RETVAL = ((errno = ENOSYS), -1);
1688#endif
1689}
1690 OUTPUT:
1691 RETVAL
1692
1693int
1694munlockall ()
1695 CODE:
1696#if _POSIX_MEMLOCK
1697 munlockall ();
1698#else
1699 RETVAL = -1;
1700 errno = ENOSYS;
1701#endif
1702 OUTPUT:
1703 RETVAL
1191 1704
1192void _on_next_submit (SV *cb) 1705void _on_next_submit (SV *cb)
1193 CODE: 1706 CODE:
1194 SvREFCNT_dec (on_next_submit); 1707 SvREFCNT_dec (on_next_submit);
1195 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1708 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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