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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
21/* perl namespace pollution */ 24/* perl namespace pollution */
22#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
23 32
24#ifdef _WIN32 33#ifdef _WIN32
25 34
26# define EIO_STRUCT_DIRENT Direntry_t 35# define EIO_STRUCT_DIRENT Direntry_t
27# undef malloc 36# undef malloc
… …
31# undef open 40# undef open
32# undef read 41# undef read
33# undef write 42# undef write
34# undef send 43# undef send
35# undef recv 44# undef recv
36# undef stat 45# undef lstat
37# undef fstat
38# define lstat stat
39# undef truncate 46# undef truncate
40# undef ftruncate 47# undef ftruncate
41# undef open 48# undef open
49# undef link
42# undef close 50# undef close
43# undef unlink 51# undef unlink
52# undef mkdir
44# undef rmdir 53# undef rmdir
45# undef rename 54# undef rename
46# undef lseek 55# undef lseek
56# undef opendir
57# undef readdir
58# undef closedir
59# undef chmod
60# undef fchmod
47 61
48# define chown(a,b,c) (errno = ENOSYS, -1)
49# define fchown(a,b,c) (errno = ENOSYS, -1)
50# define fchmod(a,b) (errno = ENOSYS, -1)
51# define symlink(a,b) (errno = ENOSYS, -1)
52# define readlink(a,b,c) (errno = ENOSYS, -1)
53# define mknod(a,b,c) (errno = ENOSYS, -1)
54# define truncate(a,b) (errno = ENOSYS, -1)
55# define ftruncate(fd,o) chsize ((fd), (o))
56# define fsync(fd) _commit (fd)
57# define opendir(fd) (errno = ENOSYS, 0) 62# define opendir(fd) EIO_ERRNO (ENOSYS, 0)
58# define readdir(fd) (errno = ENOSYS, -1) 63# define readdir(fd) EIO_ENOSYS ()
59# define closedir(fd) (errno = ENOSYS, -1) 64# define closedir(fd) EIO_ENOSYS ()
60# define mkdir(a,b) mkdir (a)
61 65
62#else 66#else
63 67
64# include <sys/time.h> 68# include <sys/time.h>
65# include <sys/select.h> 69# include <sys/select.h>
66# include <unistd.h> 70# include <unistd.h>
67# include <utime.h> 71# include <utime.h>
68# include <signal.h> 72# include <signal.h>
69# define EIO_STRUCT_DIRENT struct dirent
70 73
71#endif 74#endif
72
73/* perl stupidly overrides readdir and maybe others */
74/* with thread-unsafe versions, imagine that :( */
75#undef readdir
76#undef opendir
77#undef closedir
78 75
79#define EIO_STRUCT_STAT Stat_t 76#define EIO_STRUCT_STAT Stat_t
80 77
81/* use NV for 32 bit perls as it allows larger offsets */ 78/* use NV for 32 bit perls as it allows larger offsets */
82#if IVSIZE >= 8 79#if IVSIZE >= 8
… …
114 STRLEN stroffset; \ 111 STRLEN stroffset; \
115 SV *self; 112 SV *self;
116 113
117#define EIO_NO_WRAPPERS 1 114#define EIO_NO_WRAPPERS 1
118 115
116#include "libeio/config.h"
119#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
120 164
121#ifndef POSIX_FADV_NORMAL 165#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0 166# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1
124#endif 167#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL 168#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0 169# define POSIX_FADV_SEQUENTIAL 0
128#endif 170#endif
129
130#ifndef POSIX_FADV_RANDOM 171#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0 172# define POSIX_FADV_RANDOM 0
132#endif 173#endif
133
134#ifndef POSIX_FADV_NOREUSE 174#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0 175# define POSIX_FADV_NOREUSE 0
136#endif 176#endif
137
138#ifndef POSIX_FADV_WILLNEED 177#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0 178# define POSIX_FADV_WILLNEED 0
140#endif 179#endif
141
142#ifndef POSIX_FADV_DONTNEED 180#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0 181# define POSIX_FADV_DONTNEED 0
144#endif 182#endif
145 183
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
146#ifndef ST_NODEV 227#ifndef ST_NODEV
147# define ST_NODEV 0 228# define ST_NODEV 0
148#endif 229#endif
149
150#ifndef ST_NOEXEC 230#ifndef ST_NOEXEC
151# define ST_NOEXEC 0 231# define ST_NOEXEC 0
152#endif 232#endif
153
154#ifndef ST_SYNCHRONOUS 233#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0 234# define ST_SYNCHRONOUS 0
156#endif 235#endif
157
158#ifndef ST_MANDLOCK 236#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0 237# define ST_MANDLOCK 0
160#endif 238#endif
161
162#ifndef ST_WRITE 239#ifndef ST_WRITE
163# define ST_WRITE 0 240# define ST_WRITE 0
164#endif 241#endif
165
166#ifndef ST_APPEND 242#ifndef ST_APPEND
167# define ST_APPEND 0 243# define ST_APPEND 0
168#endif 244#endif
169
170#ifndef ST_IMMUTABLE 245#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0 246# define ST_IMMUTABLE 0
172#endif 247#endif
173
174#ifndef ST_NOATIME 248#ifndef ST_NOATIME
175# define ST_NOATIME 0 249# define ST_NOATIME 0
176#endif 250#endif
177
178#ifndef ST_NODIRATIME 251#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0 252# define ST_NODIRATIME 0
180#endif 253#endif
181
182#ifndef ST_RELATIME 254#ifndef ST_RELATIME
183# define ST_RELATIME 0 255# 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)
184#endif 318#endif
185 319
186static int req_invoke (eio_req *req); 320static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 321#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 322static void req_destroy (eio_req *grp);
… …
280 } 414 }
281} 415}
282 416
283static int req_invoke (eio_req *req) 417static int req_invoke (eio_req *req)
284{ 418{
285 dSP;
286
287 if (req->flags & FLAG_SV2_RO_OFF) 419 if (req->flags & FLAG_SV2_RO_OFF)
288 SvREADONLY_off (req->sv2); 420 SvREADONLY_off (req->sv2);
289 421
290 if (!EIO_CANCELLED (req) && req->callback) 422 if (!EIO_CANCELLED (req) && req->callback)
291 { 423 {
424 dSP;
425 static SV *sv_result_cache; /* caches the result integer SV */
426 SV *sv_result;
427
292 ENTER; 428 ENTER;
293 SAVETMPS; 429 SAVETMPS;
294 PUSHMARK (SP); 430 PUSHMARK (SP);
295 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 }
296 445
297 switch (req->type) 446 switch (req->type)
298 { 447 {
299 case EIO_READDIR: 448 case EIO_READDIR:
300 { 449 {
… …
391 case EIO_STATVFS: 540 case EIO_STATVFS:
392 case EIO_FSTATVFS: 541 case EIO_FSTATVFS:
393 { 542 {
394 SV *rv = &PL_sv_undef; 543 SV *rv = &PL_sv_undef;
395 544
545#ifndef _WIN32
396 if (req->result >= 0) 546 if (req->result >= 0)
397 { 547 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV (); 549 HV *hv = newHV ();
400 550
401 rv = sv_2mortal (newRV_noinc (hv)); 551 rv = sv_2mortal (newRV_noinc ((SV *)hv));
402 552
403 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); 555 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
… …
410 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
412 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414 } 564 }
565#endif
415 566
416 PUSHs (rv); 567 PUSHs (rv);
417 } 568 }
418 569
419 break; 570 break;
… …
435 case EIO_NOP: 586 case EIO_NOP:
436 case EIO_BUSY: 587 case EIO_BUSY:
437 break; 588 break;
438 589
439 case EIO_READLINK: 590 case EIO_READLINK:
591 case EIO_REALPATH:
440 if (req->result > 0) 592 if (req->result > 0)
441 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 593 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442 break; 594 break;
443 595
444 case EIO_STAT: 596 case EIO_STAT:
445 case EIO_LSTAT: 597 case EIO_LSTAT:
446 case EIO_FSTAT: 598 case EIO_FSTAT:
447 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 599 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
448 PL_laststatval = req->result; 600 PL_laststatval = req->result;
449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 601 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450 PUSHs (sv_2mortal (newSViv (req->result))); 602 PUSHs (sv_result);
451 break; 603 break;
452 604
453 case EIO_READ: 605 case EIO_READ:
454 { 606 {
455 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));
456 *SvEND (req->sv2) = 0; 608 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2); 609 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2); 610 SvSETMAGIC (req->sv2);
459 PUSHs (sv_2mortal (newSViv (req->result))); 611 PUSHs (sv_result);
460 } 612 }
461 break; 613 break;
462 614
463 case EIO_DUP2: 615 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464 if (req->result > 0) 616 if (req->result > 0)
465 req->result = 0; 617 SvIV_set (sv_result, 0);
466 /* FALLTHROUGH */ 618 /* FALLTHROUGH */
467 619
468 default: 620 default:
469 PUSHs (sv_2mortal (newSViv (req->result))); 621 PUSHs (sv_result);
470 break; 622 break;
471 } 623 }
472 624
473 errno = req->errorno; 625 errno = req->errorno;
474 626
475 PUTBACK; 627 PUTBACK;
476 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 628 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477 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;
478 635
479 FREETMPS; 636 FREETMPS;
480 LEAVE; 637 LEAVE;
481 638
482 PUTBACK; 639 PUTBACK;
… …
511 grp->sv2 = 0; 668 grp->sv2 = 0;
512 669
513 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
514} 671}
515 672
516static void
517create_respipe (void) 673static void create_respipe (void)
518{ 674{
519 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
520 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
521} 677}
522 678
… …
558static void atfork_child (void) 714static void atfork_child (void)
559{ 715{
560 create_respipe (); 716 create_respipe ();
561} 717}
562 718
563static 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
564get_cb (SV *cb_sv) 763static SV * get_cb (SV *cb_sv)
565{ 764{
566 SvGETMAGIC (cb_sv); 765 SvGETMAGIC (cb_sv);
567 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568} 767}
569 768
… …
598{ 797{
599 static const struct { 798 static const struct {
600 const char *name; 799 const char *name;
601 IV iv; 800 IV iv;
602 } *civ, const_iv[] = { 801 } *civ, const_iv[] = {
603# 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 },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 804# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 805 const_iv (EXDEV)
606 const_iv (ENOSYS , ENOSYS) 806 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 807 const_iv (O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY) 808 const_iv (O_WRONLY)
809 const_iv (O_RDWR)
609 const_iv (O_CREAT , O_CREAT) 810 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 811 const_iv (O_TRUNC)
611#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
612 const_iv (S_IFIFO , S_IFIFO) 831 const_iv (S_IFIFO)
613#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
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 841 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 842 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 843 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 844 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 845 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 846 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 847
621 const_iv (ST_RDONLY , ST_RDONLY) 848 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622 const_iv (ST_NOSUID , ST_NOSUID) 849 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623 const_iv (ST_NODEV , ST_NODEV) 850 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 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)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 858 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 859 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 860 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 861 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 862 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 863 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 864 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 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)
633 886
634 const_eio (MS_ASYNC) 887 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 888 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 889 const_eio (MS_SYNC)
637 890
638 const_eio (MT_MODIFY) 891 const_eio (MT_MODIFY)
639 892
640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 893 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641 const_eio (SYNC_FILE_RANGE_WRITE) 894 const_eio (SYNC_FILE_RANGE_WRITE)
642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 895 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896
897 const_eio (FALLOC_FL_KEEP_SIZE)
643 898
644 const_eio (READDIR_DENTS) 899 const_eio (READDIR_DENTS)
645 const_eio (READDIR_DIRS_FIRST) 900 const_eio (READDIR_DIRS_FIRST)
646 const_eio (READDIR_STAT_ORDER) 901 const_eio (READDIR_STAT_ORDER)
647 const_eio (READDIR_FOUND_UNKNOWN) 902 const_eio (READDIR_FOUND_UNKNOWN)
… …
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 918
664 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; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666 921
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923
667 create_respipe (); 924 create_respipe ();
668 925
669 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
671 928
672 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
673 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
674} 931}
675 932
676void 933void
677max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 935 PROTOTYPE: $
679 CODE: 936 CODE:
680 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
681 938
682void 939void
… …
684 PROTOTYPE: $ 941 PROTOTYPE: $
685 CODE: 942 CODE:
686 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
687 944
688void 945void
689min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 947 PROTOTYPE: $
691 CODE: 948 CODE:
692 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
693 950
694void 951void
695max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 953 PROTOTYPE: $
697 CODE: 954 CODE:
698 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
699 956
700void 957void
701max_idle (int nthreads) 958max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 959 PROTOTYPE: $
703 CODE: 960 CODE:
704 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
705 962
706void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
707max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 971 PROTOTYPE: $
709 CODE: 972 CODE:
710 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
711 974
712void 975void
713aio_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)
714 PROTOTYPE: $$$;$
715 PPCODE: 977 PPCODE:
716{ 978{
717 dREQ; 979 dREQ;
718 980
719 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
725 REQ_SEND; 987 REQ_SEND;
726} 988}
727 989
728void 990void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 992 ALIAS:
732 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
734 PPCODE: 995 PPCODE:
735{ 996{
… …
743 REQ_SEND (req); 1004 REQ_SEND (req);
744} 1005}
745 1006
746void 1007void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 1009 PPCODE:
750{ 1010{
751 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1012 dREQ;
753 1013
… …
760 1020
761 REQ_SEND (req); 1021 REQ_SEND (req);
762} 1022}
763 1023
764void 1024void
765aio_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)
766 PROTOTYPE: $;$
767 PPCODE: 1026 PPCODE:
768{ 1027{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1029 dREQ;
772 1030
773 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))
774 { 1050 {
1051#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);
1053#else
775 int pipefd [2]; 1054 int pipefd [2];
776 1055
777 if (pipe (pipefd) < 0 1056 if (pipe (pipefd) < 0
778 || close (pipefd [1]) < 0 1057 || close (pipefd [1]) < 0
779 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
780 abort (); /*D*/ 1059 abort (); /*D*/
781 1060
782 close_pipe = pipefd [0]; 1061 close_fd = pipefd [0];
1062#endif
783 } 1063 }
784 1064
785 req->type = EIO_DUP2; 1065 req->type = EIO_DUP2;
786 req->int1 = close_pipe; 1066 req->int1 = close_fd;
787 req->sv2 = newSVsv (fh); 1067 req->sv2 = newSVsv (fh);
788 req->int2 = fd; 1068 req->int2 = fd;
789 1069
790 REQ_SEND (req); 1070 REQ_SEND (req);
791} 1071}
… …
793void 1073void
794aio_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)
795 ALIAS: 1075 ALIAS:
796 aio_read = EIO_READ 1076 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1077 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1078 PPCODE:
800{ 1079{
801 STRLEN svlen; 1080 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1081 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1082 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1123 }
845} 1124}
846 1125
847void 1126void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$ 1128 ALIAS:
1129 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH
850 PPCODE: 1131 PPCODE:
851{ 1132{
852 SV *data; 1133 SV *data;
853 dREQ; 1134 dREQ;
854 1135
855 req->type = EIO_READLINK; 1136 req->type = ix;
856 req->sv1 = newSVsv (path); 1137 req->sv1 = newSVsv (path);
857 req->ptr1 = SvPVbyte_nolen (req->sv1); 1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 1139
859 REQ_SEND; 1140 REQ_SEND;
860} 1141}
861 1142
862void 1143void
863aio_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)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1145 PPCODE:
866{ 1146{
867 int ifd = s_fileno_croak (in_fh , 0); 1147 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1148 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1149 dREQ;
… …
879 REQ_SEND; 1159 REQ_SEND;
880} 1160}
881 1161
882void 1162void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1163aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1164 PPCODE:
886{ 1165{
887 int fd = s_fileno_croak (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1167 dREQ;
889 1168
… …
920 } 1199 }
921 1200
922 REQ_SEND; 1201 REQ_SEND;
923} 1202}
924 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
1219
925void 1220void
926aio_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)
927 PPCODE: 1222 PPCODE:
928{ 1223{
929 dREQ; 1224 dREQ;
… …
1090void 1385void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1386aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1387 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1388 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1389 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1390 PPCODE:
1097{ 1391{
1098 STRLEN svlen; 1392 STRLEN svlen;
1393 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1394 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1395
1102 if (offset < 0) 1396 if (offset < 0)
1103 offset += svlen; 1397 offset += svlen;
1104 1398
1105 if (offset < 0 || offset > svlen) 1399 if (offset < 0 || offset > svlen)
… …
1110 1404
1111 { 1405 {
1112 dREQ; 1406 dREQ;
1113 1407
1114 req->type = ix; 1408 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1409 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1410 req->ptr2 = (char *)svptr + offset;
1411 req->size = len;
1118 req->int1 = flags; 1412 req->int1 = flags;
1119 1413
1120 REQ_SEND; 1414 REQ_SEND;
1121 } 1415 }
1122} 1416}
1123 1417
1124void 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
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1460aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1461 PPCODE:
1127{ 1462{
1128 dREQ; 1463 dREQ;
1129 1464
… …
1133 REQ_SEND; 1468 REQ_SEND;
1134} 1469}
1135 1470
1136void 1471void
1137aio_group (SV *callback=&PL_sv_undef) 1472aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1473 PPCODE:
1140{ 1474{
1141 dREQ; 1475 dREQ;
1142 1476
1143 req->type = EIO_GROUP; 1477 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1494 REQ_SEND;
1161} 1495}
1162 1496
1163int 1497int
1164aioreq_pri (int pri = 0) 1498aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1499 CODE:
1167 RETVAL = next_pri; 1500 RETVAL = next_pri;
1168 if (items > 0) 1501 if (items > 0)
1169 { 1502 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1503 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1515 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1516 next_pri = nice;
1184 1517
1185void 1518void
1186flush () 1519flush ()
1187 PROTOTYPE:
1188 CODE: 1520 CODE:
1189 while (eio_nreqs ()) 1521 while (eio_nreqs ())
1190 { 1522 {
1191 poll_wait (); 1523 poll_wait ();
1192 poll_cb (); 1524 poll_cb ();
1193 } 1525 }
1194 1526
1195int 1527int
1196poll() 1528poll ()
1197 PROTOTYPE:
1198 CODE: 1529 CODE:
1199 poll_wait (); 1530 poll_wait ();
1200 RETVAL = poll_cb (); 1531 RETVAL = poll_cb ();
1201 OUTPUT: 1532 OUTPUT:
1202 RETVAL 1533 RETVAL
1203 1534
1204int 1535int
1205poll_fileno() 1536poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1537 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1538 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1539 OUTPUT:
1210 RETVAL 1540 RETVAL
1211 1541
1212int 1542int
1213poll_cb(...) 1543poll_cb (...)
1214 PROTOTYPE: 1544 PROTOTYPE:
1215 CODE: 1545 CODE:
1216 RETVAL = poll_cb (); 1546 RETVAL = poll_cb ();
1217 OUTPUT: 1547 OUTPUT:
1218 RETVAL 1548 RETVAL
1219 1549
1220void 1550void
1221poll_wait() 1551poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1552 CODE:
1224 poll_wait (); 1553 poll_wait ();
1225 1554
1226int 1555int
1227nreqs() 1556nreqs ()
1228 PROTOTYPE:
1229 CODE: 1557 CODE:
1230 RETVAL = eio_nreqs (); 1558 RETVAL = eio_nreqs ();
1231 OUTPUT: 1559 OUTPUT:
1232 RETVAL 1560 RETVAL
1233 1561
1234int 1562int
1235nready() 1563nready ()
1236 PROTOTYPE:
1237 CODE: 1564 CODE:
1238 RETVAL = eio_nready (); 1565 RETVAL = eio_nready ();
1239 OUTPUT: 1566 OUTPUT:
1240 RETVAL 1567 RETVAL
1241 1568
1242int 1569int
1243npending() 1570npending ()
1244 PROTOTYPE:
1245 CODE: 1571 CODE:
1246 RETVAL = eio_npending (); 1572 RETVAL = eio_npending ();
1247 OUTPUT: 1573 OUTPUT:
1248 RETVAL 1574 RETVAL
1249 1575
1250int 1576int
1251nthreads() 1577nthreads ()
1252 PROTOTYPE:
1253 CODE: 1578 CODE:
1254 RETVAL = eio_nthreads (); 1579 RETVAL = eio_nthreads ();
1255 OUTPUT: 1580 OUTPUT:
1256 RETVAL 1581 RETVAL
1257 1582
1258int 1583int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1584fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1585 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1586 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1587 OUTPUT:
1268 RETVAL 1588 RETVAL
1269 1589
1270ssize_t 1590ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1592 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1593 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1594 OUTPUT:
1276 RETVAL 1595 RETVAL
1277 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
1278void _on_next_submit (SV *cb) 1705void _on_next_submit (SV *cb)
1279 CODE: 1706 CODE:
1280 SvREFCNT_dec (on_next_submit); 1707 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1708 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1709

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