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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.157 by root, Sat Jan 2 12:58:37 2010 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
113 STRLEN stroffset; \ 111 STRLEN stroffset; \
114 SV *self; 112 SV *self;
115 113
116#define EIO_NO_WRAPPERS 1 114#define EIO_NO_WRAPPERS 1
117 115
116#include "libeio/config.h"
118#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
119 164
120#ifndef POSIX_FADV_NORMAL 165#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 166# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif 167#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL 168#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0 169# define POSIX_FADV_SEQUENTIAL 0
127#endif 170#endif
128
129#ifndef POSIX_FADV_RANDOM 171#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0 172# define POSIX_FADV_RANDOM 0
131#endif 173#endif
132
133#ifndef POSIX_FADV_NOREUSE 174#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0 175# define POSIX_FADV_NOREUSE 0
135#endif 176#endif
136
137#ifndef POSIX_FADV_WILLNEED 177#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0 178# define POSIX_FADV_WILLNEED 0
139#endif 179#endif
140
141#ifndef POSIX_FADV_DONTNEED 180#ifndef POSIX_FADV_DONTNEED
142# 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)
143#endif 318#endif
144 319
145static int req_invoke (eio_req *req); 320static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 321#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 322static void req_destroy (eio_req *grp);
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 {
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 ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
450} 677}
451 678
487static void atfork_child (void) 714static void atfork_child (void)
488{ 715{
489 create_respipe (); 716 create_respipe ();
490} 717}
491 718
492static 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
493get_cb (SV *cb_sv) 763static SV * get_cb (SV *cb_sv)
494{ 764{
495 SvGETMAGIC (cb_sv); 765 SvGETMAGIC (cb_sv);
496 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497} 767}
498 768
527{ 797{
528 static const struct { 798 static const struct {
529 const char *name; 799 const char *name;
530 IV iv; 800 IV iv;
531 } *civ, const_iv[] = { 801 } *civ, const_iv[] = {
532# 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 },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 804# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 805 const_iv (EXDEV)
535 const_iv (ENOSYS , ENOSYS) 806 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 807 const_iv (O_RDONLY)
537 const_iv (O_WRONLY, O_WRONLY) 808 const_iv (O_WRONLY)
809 const_iv (O_RDWR)
538 const_iv (O_CREAT , O_CREAT) 810 const_iv (O_CREAT)
539 const_iv (O_TRUNC , O_TRUNC) 811 const_iv (O_TRUNC)
540#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
541 const_iv (S_IFIFO , S_IFIFO) 831 const_iv (S_IFIFO)
542#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
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 841 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 842 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 843 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 844 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 845 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 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)
549 892
550 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 893 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
551 const_eio (SYNC_FILE_RANGE_WRITE) 894 const_eio (SYNC_FILE_RANGE_WRITE)
552 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 895 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896
897 const_eio (FALLOC_FL_KEEP_SIZE)
553 898
554 const_eio (READDIR_DENTS) 899 const_eio (READDIR_DENTS)
555 const_eio (READDIR_DIRS_FIRST) 900 const_eio (READDIR_DIRS_FIRST)
556 const_eio (READDIR_STAT_ORDER) 901 const_eio (READDIR_STAT_ORDER)
557 const_eio (READDIR_FOUND_UNKNOWN) 902 const_eio (READDIR_FOUND_UNKNOWN)
572 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
573 918
574 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; )
575 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
576 921
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923
577 create_respipe (); 924 create_respipe ();
578 925
579 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
580 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
581 928
582 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
583 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
584} 931}
585 932
586void 933void
587max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
588 PROTOTYPE: $ 935 PROTOTYPE: $
589 CODE: 936 CODE:
590 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
591 938
592void 939void
594 PROTOTYPE: $ 941 PROTOTYPE: $
595 CODE: 942 CODE:
596 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
597 944
598void 945void
599min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
600 PROTOTYPE: $ 947 PROTOTYPE: $
601 CODE: 948 CODE:
602 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
603 950
604void 951void
605max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
606 PROTOTYPE: $ 953 PROTOTYPE: $
607 CODE: 954 CODE:
608 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
609 956
610void 957void
611max_idle (int nthreads) 958max_idle (unsigned int nthreads)
612 PROTOTYPE: $ 959 PROTOTYPE: $
613 CODE: 960 CODE:
614 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
615 962
616void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
617max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
618 PROTOTYPE: $ 971 PROTOTYPE: $
619 CODE: 972 CODE:
620 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
621 974
622void 975void
623aio_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)
624 PROTOTYPE: $$$;$
625 PPCODE: 977 PPCODE:
626{ 978{
627 dREQ; 979 dREQ;
628 980
629 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
635 REQ_SEND; 987 REQ_SEND;
636} 988}
637 989
638void 990void
639aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
640 PROTOTYPE: $;$
641 ALIAS: 992 ALIAS:
642 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
643 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
644 PPCODE: 995 PPCODE:
645{ 996{
653 REQ_SEND (req); 1004 REQ_SEND (req);
654} 1005}
655 1006
656void 1007void
657aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
658 PROTOTYPE: $$$$;$
659 PPCODE: 1009 PPCODE:
660{ 1010{
661 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
662 dREQ; 1012 dREQ;
663 1013
670 1020
671 REQ_SEND (req); 1021 REQ_SEND (req);
672} 1022}
673 1023
674void 1024void
675aio_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)
676 PROTOTYPE: $;$
677 PPCODE: 1026 PPCODE:
678{ 1027{
679 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
680 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
681 dREQ; 1029 dREQ;
682 1030
683 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))
684 { 1050 {
1051#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);
1053#else
685 int pipefd [2]; 1054 int pipefd [2];
686 1055
687 if (pipe (pipefd) < 0 1056 if (pipe (pipefd) < 0
688 || close (pipefd [1]) < 0 1057 || close (pipefd [1]) < 0
689 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
690 abort (); /*D*/ 1059 abort (); /*D*/
691 1060
692 close_pipe = pipefd [0]; 1061 close_fd = pipefd [0];
1062#endif
693 } 1063 }
694 1064
695 req->type = EIO_DUP2; 1065 req->type = EIO_DUP2;
696 req->int1 = close_pipe; 1066 req->int1 = close_fd;
697 req->sv2 = newSVsv (fh); 1067 req->sv2 = newSVsv (fh);
698 req->int2 = fd; 1068 req->int2 = fd;
699 1069
700 REQ_SEND (req); 1070 REQ_SEND (req);
701} 1071}
703void 1073void
704aio_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)
705 ALIAS: 1075 ALIAS:
706 aio_read = EIO_READ 1076 aio_read = EIO_READ
707 aio_write = EIO_WRITE 1077 aio_write = EIO_WRITE
708 PROTOTYPE: $$$$$;$
709 PPCODE: 1078 PPCODE:
710{ 1079{
711 STRLEN svlen; 1080 STRLEN svlen;
712 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1081 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
713 char *svptr = SvPVbyte (data, svlen); 1082 char *svptr = SvPVbyte (data, svlen);
754 } 1123 }
755} 1124}
756 1125
757void 1126void
758aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
759 PROTOTYPE: $$;$ 1128 ALIAS:
1129 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH
760 PPCODE: 1131 PPCODE:
761{ 1132{
762 SV *data; 1133 SV *data;
763 dREQ; 1134 dREQ;
764 1135
765 req->type = EIO_READLINK; 1136 req->type = ix;
766 req->sv1 = newSVsv (path); 1137 req->sv1 = newSVsv (path);
767 req->ptr1 = SvPVbyte_nolen (req->sv1); 1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
768 1139
769 REQ_SEND; 1140 REQ_SEND;
770} 1141}
771 1142
772void 1143void
773aio_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)
774 PROTOTYPE: $$$$;$
775 PPCODE: 1145 PPCODE:
776{ 1146{
777 int ifd = s_fileno_croak (in_fh , 0); 1147 int ifd = s_fileno_croak (in_fh , 0);
778 int ofd = s_fileno_croak (out_fh, 1); 1148 int ofd = s_fileno_croak (out_fh, 1);
779 dREQ; 1149 dREQ;
789 REQ_SEND; 1159 REQ_SEND;
790} 1160}
791 1161
792void 1162void
793aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1163aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1164 PPCODE:
796{ 1165{
797 int fd = s_fileno_croak (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
798 dREQ; 1167 dREQ;
799 1168
807} 1176}
808 1177
809void 1178void
810aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1179aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
811 ALIAS: 1180 ALIAS:
812 aio_stat = EIO_STAT 1181 aio_stat = EIO_STAT
813 aio_lstat = EIO_LSTAT 1182 aio_lstat = EIO_LSTAT
1183 aio_statvfs = EIO_STATVFS
814 PPCODE: 1184 PPCODE:
815{ 1185{
816 dREQ; 1186 dREQ;
817 1187
818 req->sv1 = newSVsv (fh_or_path); 1188 req->sv1 = newSVsv (fh_or_path);
822 req->type = ix; 1192 req->type = ix;
823 req->ptr1 = SvPVbyte_nolen (req->sv1); 1193 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 } 1194 }
825 else 1195 else
826 { 1196 {
827 req->type = EIO_FSTAT; 1197 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
828 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1198 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
829 } 1199 }
830 1200
831 REQ_SEND; 1201 REQ_SEND;
832} 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
833 1219
834void 1220void
835aio_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)
836 PPCODE: 1222 PPCODE:
837{ 1223{
995 1381
996 REQ_SEND; 1382 REQ_SEND;
997} 1383}
998 1384
999void 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
1000aio_busy (double delay, SV *callback=&PL_sv_undef) 1460aio_busy (double delay, SV *callback=&PL_sv_undef)
1001 PPCODE: 1461 PPCODE:
1002{ 1462{
1003 dREQ; 1463 dREQ;
1004 1464
1008 REQ_SEND; 1468 REQ_SEND;
1009} 1469}
1010 1470
1011void 1471void
1012aio_group (SV *callback=&PL_sv_undef) 1472aio_group (SV *callback=&PL_sv_undef)
1013 PROTOTYPE: ;$
1014 PPCODE: 1473 PPCODE:
1015{ 1474{
1016 dREQ; 1475 dREQ;
1017 1476
1018 req->type = EIO_GROUP; 1477 req->type = EIO_GROUP;
1035 REQ_SEND; 1494 REQ_SEND;
1036} 1495}
1037 1496
1038int 1497int
1039aioreq_pri (int pri = 0) 1498aioreq_pri (int pri = 0)
1040 PROTOTYPE: ;$
1041 CODE: 1499 CODE:
1042 RETVAL = next_pri; 1500 RETVAL = next_pri;
1043 if (items > 0) 1501 if (items > 0)
1044 { 1502 {
1045 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1503 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1057 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1515 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1058 next_pri = nice; 1516 next_pri = nice;
1059 1517
1060void 1518void
1061flush () 1519flush ()
1062 PROTOTYPE:
1063 CODE: 1520 CODE:
1064 while (eio_nreqs ()) 1521 while (eio_nreqs ())
1065 { 1522 {
1066 poll_wait (); 1523 poll_wait ();
1067 poll_cb (); 1524 poll_cb ();
1068 } 1525 }
1069 1526
1070int 1527int
1071poll() 1528poll ()
1072 PROTOTYPE:
1073 CODE: 1529 CODE:
1074 poll_wait (); 1530 poll_wait ();
1075 RETVAL = poll_cb (); 1531 RETVAL = poll_cb ();
1076 OUTPUT: 1532 OUTPUT:
1077 RETVAL 1533 RETVAL
1078 1534
1079int 1535int
1080poll_fileno() 1536poll_fileno ()
1081 PROTOTYPE:
1082 CODE: 1537 CODE:
1083 RETVAL = s_epipe_fd (&respipe); 1538 RETVAL = s_epipe_fd (&respipe);
1084 OUTPUT: 1539 OUTPUT:
1085 RETVAL 1540 RETVAL
1086 1541
1087int 1542int
1088poll_cb(...) 1543poll_cb (...)
1089 PROTOTYPE: 1544 PROTOTYPE:
1090 CODE: 1545 CODE:
1091 RETVAL = poll_cb (); 1546 RETVAL = poll_cb ();
1092 OUTPUT: 1547 OUTPUT:
1093 RETVAL 1548 RETVAL
1094 1549
1095void 1550void
1096poll_wait() 1551poll_wait ()
1097 PROTOTYPE:
1098 CODE: 1552 CODE:
1099 poll_wait (); 1553 poll_wait ();
1100 1554
1101int 1555int
1102nreqs() 1556nreqs ()
1103 PROTOTYPE:
1104 CODE: 1557 CODE:
1105 RETVAL = eio_nreqs (); 1558 RETVAL = eio_nreqs ();
1106 OUTPUT: 1559 OUTPUT:
1107 RETVAL 1560 RETVAL
1108 1561
1109int 1562int
1110nready() 1563nready ()
1111 PROTOTYPE:
1112 CODE: 1564 CODE:
1113 RETVAL = eio_nready (); 1565 RETVAL = eio_nready ();
1114 OUTPUT: 1566 OUTPUT:
1115 RETVAL 1567 RETVAL
1116 1568
1117int 1569int
1118npending() 1570npending ()
1119 PROTOTYPE:
1120 CODE: 1571 CODE:
1121 RETVAL = eio_npending (); 1572 RETVAL = eio_npending ();
1122 OUTPUT: 1573 OUTPUT:
1123 RETVAL 1574 RETVAL
1124 1575
1125int 1576int
1126nthreads() 1577nthreads ()
1127 PROTOTYPE:
1128 CODE: 1578 CODE:
1129 RETVAL = eio_nthreads (); 1579 RETVAL = eio_nthreads ();
1130 OUTPUT: 1580 OUTPUT:
1131 RETVAL 1581 RETVAL
1132 1582
1133int 1583int
1134fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1584fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1135 PROTOTYPE: $$$$
1136 CODE: 1585 CODE:
1137#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1138 RETVAL = posix_fadvise (fh, offset, length, advice); 1586 RETVAL = posix_fadvise (fh, offset, length, advice);
1139#else
1140 RETVAL = errno = ENOSYS;
1141#endif
1142 OUTPUT: 1587 OUTPUT:
1143 RETVAL 1588 RETVAL
1144 1589
1145ssize_t 1590ssize_t
1146sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1147 PROTOTYPE: $$$$
1148 CODE: 1592 CODE:
1149 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1593 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1150 OUTPUT: 1594 OUTPUT:
1151 RETVAL 1595 RETVAL
1152 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
1704
1153void _on_next_submit (SV *cb) 1705void _on_next_submit (SV *cb)
1154 CODE: 1706 CODE:
1155 SvREFCNT_dec (on_next_submit); 1707 SvREFCNT_dec (on_next_submit);
1156 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1708 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1157 1709

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