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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 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];
166static s_epipe respipe; 338static s_epipe respipe;
167 339
168static void req_destroy (aio_req req); 340static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 341static void req_cancel (aio_req req);
170 342
… …
179 /* read any signals sent by the worker threads */ 351 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 352 s_epipe_drain (&respipe);
181} 353}
182 354
183/* must be called at most once */ 355/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 356static SV *req_sv (aio_req req, HV *stash)
185{ 357{
186 if (!req->self) 358 if (!req->self)
187 { 359 {
188 req->self = (SV *)newHV (); 360 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 361 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 362 }
191 363
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 364 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 365}
194 366
195static aio_req SvAIO_REQ (SV *sv) 367static aio_req SvAIO_REQ (SV *sv)
196{ 368{
197 MAGIC *mg; 369 MAGIC *mg;
198 370
199 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")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 375 croak ("object of class IO::AIO::REQ expected");
201 376
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 377 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 378
204 return mg ? (aio_req)mg->mg_ptr : 0; 379 return mg ? (aio_req)mg->mg_ptr : 0;
205} 380}
… …
211 dSP; 386 dSP;
212 387
213 ENTER; 388 ENTER;
214 SAVETMPS; 389 SAVETMPS;
215 PUSHMARK (SP); 390 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 391 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 392 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 393 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 394 SPAGAIN;
220 FREETMPS; 395 FREETMPS;
221 LEAVE; 396 LEAVE;
… …
239 } 414 }
240} 415}
241 416
242static int req_invoke (eio_req *req) 417static int req_invoke (eio_req *req)
243{ 418{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 419 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 420 SvREADONLY_off (req->sv2);
248 421
249 if (!EIO_CANCELLED (req) && req->callback) 422 if (!EIO_CANCELLED (req) && req->callback)
250 { 423 {
424 dSP;
425 static SV *sv_result_cache; /* caches the result integer SV */
426 SV *sv_result;
427
251 ENTER; 428 ENTER;
252 SAVETMPS; 429 SAVETMPS;
253 PUSHMARK (SP); 430 PUSHMARK (SP);
254 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 }
255 445
256 switch (req->type) 446 switch (req->type)
257 { 447 {
258 case EIO_READDIR: 448 case EIO_READDIR:
259 { 449 {
… …
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 517 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328 char sym [64]; 518 char sym [64];
329 int symlen; 519 int symlen;
330 520
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 521 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332 gv_init (gv, stash, sym, symlen, 0); 522 gv_init (gv, aio_stash, sym, symlen, 0);
333 523
334 symlen = snprintf ( 524 symlen = snprintf (
335 sym, 525 sym,
336 sizeof (sym), 526 sizeof (sym),
337 "%s&=%d", 527 "%s&=%d",
… …
345 535
346 PUSHs (fh); 536 PUSHs (fh);
347 } 537 }
348 break; 538 break;
349 539
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
350 case EIO_GROUP: 572 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 573 req->int1 = 2; /* mark group as finished */
352 574
353 if (req->sv1) 575 if (req->sv1)
354 { 576 {
… …
364 case EIO_NOP: 586 case EIO_NOP:
365 case EIO_BUSY: 587 case EIO_BUSY:
366 break; 588 break;
367 589
368 case EIO_READLINK: 590 case EIO_READLINK:
591 case EIO_REALPATH:
369 if (req->result > 0) 592 if (req->result > 0)
370 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 593 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371 break; 594 break;
372 595
373 case EIO_STAT: 596 case EIO_STAT:
374 case EIO_LSTAT: 597 case EIO_LSTAT:
375 case EIO_FSTAT: 598 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 599 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 600 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 601 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 602 PUSHs (sv_result);
380 break; 603 break;
381 604
382 case EIO_READ: 605 case EIO_READ:
383 { 606 {
384 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));
385 *SvEND (req->sv2) = 0; 608 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 609 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 610 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 611 PUSHs (sv_result);
389 } 612 }
390 break; 613 break;
391 614
392 case EIO_DUP2: 615 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 616 if (req->result > 0)
394 req->result = 0; 617 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 618 /* FALLTHROUGH */
396 619
397 default: 620 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 621 PUSHs (sv_result);
399 break; 622 break;
400 } 623 }
401 624
402 errno = req->errorno; 625 errno = req->errorno;
403 626
404 PUTBACK; 627 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 628 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 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;
407 635
408 FREETMPS; 636 FREETMPS;
409 LEAVE; 637 LEAVE;
410 638
411 PUTBACK; 639 PUTBACK;
… …
440 grp->sv2 = 0; 668 grp->sv2 = 0;
441 669
442 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
443} 671}
444 672
445static void
446create_respipe (void) 673static void create_respipe (void)
447{ 674{
448 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
450
451 respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452 respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453} 677}
454 678
455static void poll_wait (void) 679static void poll_wait (void)
456{ 680{
457 while (eio_nreqs ()) 681 while (eio_nreqs ())
… …
490static void atfork_child (void) 714static void atfork_child (void)
491{ 715{
492 create_respipe (); 716 create_respipe ();
493} 717}
494 718
495static 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
496get_cb (SV *cb_sv) 763static SV * get_cb (SV *cb_sv)
497{ 764{
498 SvGETMAGIC (cb_sv); 765 SvGETMAGIC (cb_sv);
499 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
500} 767}
501 768
… …
518 PUTBACK; \ 785 PUTBACK; \
519 req_submit (req); \ 786 req_submit (req); \
520 SPAGAIN; \ 787 SPAGAIN; \
521 \ 788 \
522 if (GIMME_V != G_VOID) \ 789 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 790 XPUSHs (req_sv (req, aio_req_stash));
524 791
525MODULE = IO::AIO PACKAGE = IO::AIO 792MODULE = IO::AIO PACKAGE = IO::AIO
526 793
527PROTOTYPES: ENABLE 794PROTOTYPES: ENABLE
528 795
… …
530{ 797{
531 static const struct { 798 static const struct {
532 const char *name; 799 const char *name;
533 IV iv; 800 IV iv;
534 } *civ, const_iv[] = { 801 } *civ, const_iv[] = {
535# 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 },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 804# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 805 const_iv (EXDEV)
538 const_iv (ENOSYS , ENOSYS) 806 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 807 const_iv (O_RDONLY)
540 const_iv (O_WRONLY, O_WRONLY) 808 const_iv (O_WRONLY)
809 const_iv (O_RDWR)
541 const_iv (O_CREAT , O_CREAT) 810 const_iv (O_CREAT)
542 const_iv (O_TRUNC , O_TRUNC) 811 const_iv (O_TRUNC)
543#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
544 const_iv (S_IFIFO , S_IFIFO) 831 const_iv (S_IFIFO)
545#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
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 841 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 842 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 843 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 844 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 845 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 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)
552 892
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 893 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 894 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 895 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896
897 const_eio (FALLOC_FL_KEEP_SIZE)
556 898
557 const_eio (READDIR_DENTS) 899 const_eio (READDIR_DENTS)
558 const_eio (READDIR_DIRS_FIRST) 900 const_eio (READDIR_DIRS_FIRST)
559 const_eio (READDIR_STAT_ORDER) 901 const_eio (READDIR_STAT_ORDER)
560 const_eio (READDIR_FOUND_UNKNOWN) 902 const_eio (READDIR_FOUND_UNKNOWN)
… …
568 const_eio (DT_LNK) 910 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 911 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 912 const_eio (DT_WHT)
571 }; 913 };
572 914
573 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);
574 918
575 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; )
576 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));
577 923
578 create_respipe (); 924 create_respipe ();
579 925
580 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
581 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
… …
583 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
584 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
585} 931}
586 932
587void 933void
588max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
589 PROTOTYPE: $ 935 PROTOTYPE: $
590 CODE: 936 CODE:
591 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
592 938
593void 939void
… …
595 PROTOTYPE: $ 941 PROTOTYPE: $
596 CODE: 942 CODE:
597 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
598 944
599void 945void
600min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
601 PROTOTYPE: $ 947 PROTOTYPE: $
602 CODE: 948 CODE:
603 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
604 950
605void 951void
606max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
607 PROTOTYPE: $ 953 PROTOTYPE: $
608 CODE: 954 CODE:
609 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
610 956
611void 957void
612max_idle (int nthreads) 958max_idle (unsigned int nthreads)
613 PROTOTYPE: $ 959 PROTOTYPE: $
614 CODE: 960 CODE:
615 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
616 962
617void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
618max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
619 PROTOTYPE: $ 971 PROTOTYPE: $
620 CODE: 972 CODE:
621 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
622 974
623void 975void
624aio_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)
625 PROTOTYPE: $$$;$
626 PPCODE: 977 PPCODE:
627{ 978{
628 dREQ; 979 dREQ;
629 980
630 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
636 REQ_SEND; 987 REQ_SEND;
637} 988}
638 989
639void 990void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 992 ALIAS:
643 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
645 PPCODE: 995 PPCODE:
646{ 996{
… …
654 REQ_SEND (req); 1004 REQ_SEND (req);
655} 1005}
656 1006
657void 1007void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 1009 PPCODE:
661{ 1010{
662 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
663 dREQ; 1012 dREQ;
664 1013
… …
671 1020
672 REQ_SEND (req); 1021 REQ_SEND (req);
673} 1022}
674 1023
675void 1024void
676aio_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)
677 PROTOTYPE: $;$
678 PPCODE: 1026 PPCODE:
679{ 1027{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
682 dREQ; 1029 dREQ;
683 1030
684 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))
685 { 1050 {
1051#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);
1053#else
686 int pipefd [2]; 1054 int pipefd [2];
687 1055
688 if (pipe (pipefd) < 0 1056 if (pipe (pipefd) < 0
689 || close (pipefd [1]) < 0 1057 || close (pipefd [1]) < 0
690 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
691 abort (); /*D*/ 1059 abort (); /*D*/
692 1060
693 close_pipe = pipefd [0]; 1061 close_fd = pipefd [0];
1062#endif
694 } 1063 }
695 1064
696 req->type = EIO_DUP2; 1065 req->type = EIO_DUP2;
697 req->int1 = close_pipe; 1066 req->int1 = close_fd;
698 req->sv2 = newSVsv (fh); 1067 req->sv2 = newSVsv (fh);
699 req->int2 = fd; 1068 req->int2 = fd;
700 1069
701 REQ_SEND (req); 1070 REQ_SEND (req);
702} 1071}
… …
704void 1073void
705aio_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)
706 ALIAS: 1075 ALIAS:
707 aio_read = EIO_READ 1076 aio_read = EIO_READ
708 aio_write = EIO_WRITE 1077 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 1078 PPCODE:
711{ 1079{
712 STRLEN svlen; 1080 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1081 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 1082 char *svptr = SvPVbyte (data, svlen);
… …
755 } 1123 }
756} 1124}
757 1125
758void 1126void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
760 PROTOTYPE: $$;$ 1128 ALIAS:
1129 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH
761 PPCODE: 1131 PPCODE:
762{ 1132{
763 SV *data; 1133 SV *data;
764 dREQ; 1134 dREQ;
765 1135
766 req->type = EIO_READLINK; 1136 req->type = ix;
767 req->sv1 = newSVsv (path); 1137 req->sv1 = newSVsv (path);
768 req->ptr1 = SvPVbyte_nolen (req->sv1); 1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
769 1139
770 REQ_SEND; 1140 REQ_SEND;
771} 1141}
772 1142
773void 1143void
774aio_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)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1145 PPCODE:
777{ 1146{
778 int ifd = s_fileno_croak (in_fh , 0); 1147 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1148 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1149 dREQ;
… …
790 REQ_SEND; 1159 REQ_SEND;
791} 1160}
792 1161
793void 1162void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1163aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1164 PPCODE:
797{ 1165{
798 int fd = s_fileno_croak (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1167 dREQ;
800 1168
… …
808} 1176}
809 1177
810void 1178void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1179aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812 ALIAS: 1180 ALIAS:
813 aio_stat = EIO_STAT 1181 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1182 aio_lstat = EIO_LSTAT
1183 aio_statvfs = EIO_STATVFS
815 PPCODE: 1184 PPCODE:
816{ 1185{
817 dREQ; 1186 dREQ;
818 1187
819 req->sv1 = newSVsv (fh_or_path); 1188 req->sv1 = newSVsv (fh_or_path);
… …
823 req->type = ix; 1192 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1); 1193 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 } 1194 }
826 else 1195 else
827 { 1196 {
828 req->type = EIO_FSTAT; 1197 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1198 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 } 1199 }
831 1200
832 REQ_SEND; 1201 REQ_SEND;
833} 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
834 1219
835void 1220void
836aio_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)
837 PPCODE: 1222 PPCODE:
838{ 1223{
… …
996 1381
997 REQ_SEND; 1382 REQ_SEND;
998} 1383}
999 1384
1000void 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
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1460aio_busy (double delay, SV *callback=&PL_sv_undef)
1002 PPCODE: 1461 PPCODE:
1003{ 1462{
1004 dREQ; 1463 dREQ;
1005 1464
… …
1009 REQ_SEND; 1468 REQ_SEND;
1010} 1469}
1011 1470
1012void 1471void
1013aio_group (SV *callback=&PL_sv_undef) 1472aio_group (SV *callback=&PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 1473 PPCODE:
1016{ 1474{
1017 dREQ; 1475 dREQ;
1018 1476
1019 req->type = EIO_GROUP; 1477 req->type = EIO_GROUP;
1020 1478
1021 req_submit (req); 1479 req_submit (req);
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1480 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1481}
1024 1482
1025void 1483void
1026aio_nop (SV *callback=&PL_sv_undef) 1484aio_nop (SV *callback=&PL_sv_undef)
1027 ALIAS: 1485 ALIAS:
… …
1036 REQ_SEND; 1494 REQ_SEND;
1037} 1495}
1038 1496
1039int 1497int
1040aioreq_pri (int pri = 0) 1498aioreq_pri (int pri = 0)
1041 PROTOTYPE: ;$
1042 CODE: 1499 CODE:
1043 RETVAL = next_pri; 1500 RETVAL = next_pri;
1044 if (items > 0) 1501 if (items > 0)
1045 { 1502 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1503 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1515 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 1516 next_pri = nice;
1060 1517
1061void 1518void
1062flush () 1519flush ()
1063 PROTOTYPE:
1064 CODE: 1520 CODE:
1065 while (eio_nreqs ()) 1521 while (eio_nreqs ())
1066 { 1522 {
1067 poll_wait (); 1523 poll_wait ();
1068 poll_cb (); 1524 poll_cb ();
1069 } 1525 }
1070 1526
1071int 1527int
1072poll() 1528poll ()
1073 PROTOTYPE:
1074 CODE: 1529 CODE:
1075 poll_wait (); 1530 poll_wait ();
1076 RETVAL = poll_cb (); 1531 RETVAL = poll_cb ();
1077 OUTPUT: 1532 OUTPUT:
1078 RETVAL 1533 RETVAL
1079 1534
1080int 1535int
1081poll_fileno() 1536poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 1537 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 1538 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 1539 OUTPUT:
1086 RETVAL 1540 RETVAL
1087 1541
1088int 1542int
1089poll_cb(...) 1543poll_cb (...)
1090 PROTOTYPE: 1544 PROTOTYPE:
1091 CODE: 1545 CODE:
1092 RETVAL = poll_cb (); 1546 RETVAL = poll_cb ();
1093 OUTPUT: 1547 OUTPUT:
1094 RETVAL 1548 RETVAL
1095 1549
1096void 1550void
1097poll_wait() 1551poll_wait ()
1098 PROTOTYPE:
1099 CODE: 1552 CODE:
1100 poll_wait (); 1553 poll_wait ();
1101 1554
1102int 1555int
1103nreqs() 1556nreqs ()
1104 PROTOTYPE:
1105 CODE: 1557 CODE:
1106 RETVAL = eio_nreqs (); 1558 RETVAL = eio_nreqs ();
1107 OUTPUT: 1559 OUTPUT:
1108 RETVAL 1560 RETVAL
1109 1561
1110int 1562int
1111nready() 1563nready ()
1112 PROTOTYPE:
1113 CODE: 1564 CODE:
1114 RETVAL = eio_nready (); 1565 RETVAL = eio_nready ();
1115 OUTPUT: 1566 OUTPUT:
1116 RETVAL 1567 RETVAL
1117 1568
1118int 1569int
1119npending() 1570npending ()
1120 PROTOTYPE:
1121 CODE: 1571 CODE:
1122 RETVAL = eio_npending (); 1572 RETVAL = eio_npending ();
1123 OUTPUT: 1573 OUTPUT:
1124 RETVAL 1574 RETVAL
1125 1575
1126int 1576int
1127nthreads() 1577nthreads ()
1128 PROTOTYPE:
1129 CODE: 1578 CODE:
1130 RETVAL = eio_nthreads (); 1579 RETVAL = eio_nthreads ();
1131 OUTPUT: 1580 OUTPUT:
1132 RETVAL 1581 RETVAL
1133 1582
1134int 1583int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1584fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 1585 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 1586 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 1587 OUTPUT:
1144 RETVAL 1588 RETVAL
1145 1589
1146ssize_t 1590ssize_t
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 1592 CODE:
1150 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
1151 1704
1152void _on_next_submit (SV *cb) 1705void _on_next_submit (SV *cb)
1153 CODE: 1706 CODE:
1154 SvREFCNT_dec (on_next_submit); 1707 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1708 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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