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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.188 by root, Sun Jul 17 04:20:04 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
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif
24
25#if !_POSIX_MAPPED_FILES
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27# define munmap(addr,length) (errno = ENOSYS, -1)
28#endif 22#endif
29 23
30/* perl namespace pollution */ 24/* perl namespace pollution */
31#undef VERSION 25#undef VERSION
32
33#ifdef _WIN32
34
35# define EIO_STRUCT_DIRENT Direntry_t
36# undef malloc
37# undef free
38
39// perl overrides all those nice win32 functions
40# undef open
41# undef read
42# undef write
43# undef send
44# undef recv
45# undef stat
46# undef fstat
47# define lstat stat
48# undef truncate
49# undef ftruncate
50# undef open
51# undef close
52# undef unlink
53# undef rmdir
54# undef rename
55# undef lseek
56
57# define chown(a,b,c) (errno = ENOSYS, -1)
58# define fchown(a,b,c) (errno = ENOSYS, -1)
59# define fchmod(a,b) (errno = ENOSYS, -1)
60# define symlink(a,b) (errno = ENOSYS, -1)
61# define readlink(a,b,c) (errno = ENOSYS, -1)
62# define mknod(a,b,c) (errno = ENOSYS, -1)
63# define truncate(a,b) (errno = ENOSYS, -1)
64# define ftruncate(fd,o) chsize ((fd), (o))
65# define fsync(fd) _commit (fd)
66# define opendir(fd) (errno = ENOSYS, 0)
67# define readdir(fd) (errno = ENOSYS, -1)
68# define closedir(fd) (errno = ENOSYS, -1)
69# define mkdir(a,b) mkdir (a)
70
71#else
72
73# include <sys/time.h>
74# include <sys/select.h>
75# include <unistd.h>
76# include <utime.h>
77# include <signal.h>
78# define EIO_STRUCT_DIRENT struct dirent
79
80#endif
81 26
82/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
83/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
84#undef readdir 29#undef readdir
85#undef opendir 30#undef opendir
86#undef closedir 31#undef closedir
32
33#ifdef _WIN32
34
35 #define EIO_STRUCT_DIRENT Direntry_t
36 #undef malloc
37 #undef free
38
39 // perl overrides all those nice libc functions
40 #undef open
41 #undef read
42 #undef write
43 #undef send
44 #undef recv
45 #undef stat
46 #undef lstat
47 #undef fstat
48 #undef truncate
49 #undef ftruncate
50 #undef open
51 #undef link
52 #undef close
53 #undef unlink
54 #undef mkdir
55 #undef rmdir
56 #undef rename
57 #undef lseek
58 #undef opendir
59 #undef readdir
60 #undef closedir
61 #undef chmod
62 #undef fchmod
63 #undef dup
64 #undef dup2
65 #undef abort
66 #undef pipe
67
68#else
69
70 #include <sys/time.h>
71 #include <sys/select.h>
72 #include <unistd.h>
73 #include <utime.h>
74 #include <signal.h>
75
76#endif
87 77
88#define EIO_STRUCT_STAT Stat_t 78#define EIO_STRUCT_STAT Stat_t
89 79
90/* use NV for 32 bit perls as it allows larger offsets */ 80/* use NV for 32 bit perls as it allows larger offsets */
91#if IVSIZE >= 8 81#if IVSIZE >= 8
… …
123 STRLEN stroffset; \ 113 STRLEN stroffset; \
124 SV *self; 114 SV *self;
125 115
126#define EIO_NO_WRAPPERS 1 116#define EIO_NO_WRAPPERS 1
127 117
118#include "libeio/config.h"
128#include "libeio/eio.h" 119#include "libeio/eio.h"
120
121static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req)
125
126#include "libeio/eio.c"
127
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
129 173
130#ifndef POSIX_FADV_NORMAL 174#ifndef POSIX_FADV_NORMAL
131# define POSIX_FADV_NORMAL 0 175# define POSIX_FADV_NORMAL 0
132# define NO_FADVISE 1
133#endif 176#endif
134#ifndef POSIX_FADV_SEQUENTIAL 177#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0 178# define POSIX_FADV_SEQUENTIAL 0
136#endif 179#endif
137#ifndef POSIX_FADV_RANDOM 180#ifndef POSIX_FADV_RANDOM
… …
145#endif 188#endif
146#ifndef POSIX_FADV_DONTNEED 189#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0 190# define POSIX_FADV_DONTNEED 0
148#endif 191#endif
149 192
193#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif
196
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
150#ifndef ST_NODEV 236#ifndef ST_NODEV
151# define ST_NODEV 0 237# define ST_NODEV 0
152#endif 238#endif
153#ifndef ST_NOEXEC 239#ifndef ST_NOEXEC
154# define ST_NOEXEC 0 240# define ST_NOEXEC 0
… …
176#endif 262#endif
177#ifndef ST_RELATIME 263#ifndef ST_RELATIME
178# define ST_RELATIME 0 264# define ST_RELATIME 0
179#endif 265#endif
180 266
181#ifndef MCL_CURRENT 267#ifndef S_IFIFO
182# define MCL_CURRENT 0 268# define S_IFIFO 0
183#endif 269#endif
184#ifndef MCL_FUTURE 270#ifndef S_IFCHR
185# define MCL_FUTURE 0 271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
186#endif 290#endif
187 291
188#ifndef MAP_ANONYMOUS 292#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON 293# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON 294# define MAP_ANONYMOUS MAP_ANON
… …
206#endif 310#endif
207#ifndef MAP_NONBLOCK 311#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0 312# define MAP_NONBLOCK 0
209#endif 313#endif
210 314
315#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min))
317#endif
318#ifndef major
319# define major(dev) ((dev) >> 8)
320#endif
321#ifndef minor
322# define minor(dev) ((dev) & 0xff)
323#endif
324
211#ifndef PAGESIZE 325#ifndef PAGESIZE
212# define PAGESIZE sysconf (_SC_PAGESIZE) 326# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif 327#endif
214
215static int req_invoke (eio_req *req);
216#define EIO_FINISH(req) req_invoke (req)
217static void req_destroy (eio_req *grp);
218#define EIO_DESTROY(req) req_destroy (req)
219 328
220enum { 329enum {
221 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222}; 331};
223
224#include "libeio/eio.c"
225 332
226typedef eio_req *aio_req; 333typedef eio_req *aio_req;
227typedef eio_req *aio_req_ornot; 334typedef eio_req *aio_req_ornot;
228 335
229static SV *on_next_submit; 336static SV *on_next_submit;
… …
309 } 416 }
310} 417}
311 418
312static int req_invoke (eio_req *req) 419static int req_invoke (eio_req *req)
313{ 420{
314 dSP;
315
316 if (req->flags & FLAG_SV2_RO_OFF) 421 if (req->flags & FLAG_SV2_RO_OFF)
317 SvREADONLY_off (req->sv2); 422 SvREADONLY_off (req->sv2);
318 423
319 if (!EIO_CANCELLED (req) && req->callback) 424 if (!EIO_CANCELLED (req) && req->callback)
320 { 425 {
426 dSP;
427 static SV *sv_result_cache; /* caches the result integer SV */
428 SV *sv_result;
429
321 ENTER; 430 ENTER;
322 SAVETMPS; 431 SAVETMPS;
323 PUSHMARK (SP); 432 PUSHMARK (SP);
324 EXTEND (SP, 1); 433 EXTEND (SP, 1);
434
435 /* do not recreate the result IV from scratch each time */
436 if (expect_true (sv_result_cache))
437 {
438 sv_result = sv_result_cache; sv_result_cache = 0;
439 SvIV_set (sv_result, req->result);
440 SvIOK_only (sv_result);
441 }
442 else
443 {
444 sv_result = newSViv (req->result);
445 SvREADONLY_on (sv_result);
446 }
325 447
326 switch (req->type) 448 switch (req->type)
327 { 449 {
328 case EIO_READDIR: 450 case EIO_READDIR:
329 { 451 {
… …
420 case EIO_STATVFS: 542 case EIO_STATVFS:
421 case EIO_FSTATVFS: 543 case EIO_FSTATVFS:
422 { 544 {
423 SV *rv = &PL_sv_undef; 545 SV *rv = &PL_sv_undef;
424 546
547#ifndef _WIN32
425 if (req->result >= 0) 548 if (req->result >= 0)
426 { 549 {
427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 550 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428 HV *hv = newHV (); 551 HV *hv = newHV ();
429 552
… …
439 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 562 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 563 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
441 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 564 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 565 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443 } 566 }
567#endif
444 568
445 PUSHs (rv); 569 PUSHs (rv);
446 } 570 }
447 571
448 break; 572 break;
… …
464 case EIO_NOP: 588 case EIO_NOP:
465 case EIO_BUSY: 589 case EIO_BUSY:
466 break; 590 break;
467 591
468 case EIO_READLINK: 592 case EIO_READLINK:
593 case EIO_REALPATH:
469 if (req->result > 0) 594 if (req->result > 0)
470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 595 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471 break; 596 break;
472 597
473 case EIO_STAT: 598 case EIO_STAT:
474 case EIO_LSTAT: 599 case EIO_LSTAT:
475 case EIO_FSTAT: 600 case EIO_FSTAT:
476 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 601 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
477 PL_laststatval = req->result; 602 PL_laststatval = req->result;
603 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 604 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479 PUSHs (sv_2mortal (newSViv (req->result))); 605 PUSHs (sv_result);
480 break; 606 break;
481 607
482 case EIO_READ: 608 case EIO_READ:
483 { 609 {
484 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 610 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485 *SvEND (req->sv2) = 0; 611 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2); 612 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2); 613 SvSETMAGIC (req->sv2);
488 PUSHs (sv_2mortal (newSViv (req->result))); 614 PUSHs (sv_result);
489 } 615 }
490 break; 616 break;
491 617
492 case EIO_DUP2: 618 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493 if (req->result > 0) 619 if (req->result > 0)
494 req->result = 0; 620 SvIV_set (sv_result, 0);
495 /* FALLTHROUGH */ 621 /* FALLTHROUGH */
496 622
497 default: 623 default:
498 PUSHs (sv_2mortal (newSViv (req->result))); 624 PUSHs (sv_result);
499 break; 625 break;
500 } 626 }
501 627
502 errno = req->errorno; 628 errno = req->errorno;
503 629
504 PUTBACK; 630 PUTBACK;
505 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 631 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506 SPAGAIN; 632 SPAGAIN;
633
634 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
635 SvREFCNT_dec (sv_result);
636 else
637 sv_result_cache = sv_result;
507 638
508 FREETMPS; 639 FREETMPS;
509 LEAVE; 640 LEAVE;
510 641
511 PUTBACK; 642 PUTBACK;
… …
529 Safefree (req); 660 Safefree (req);
530} 661}
531 662
532static void req_cancel_subs (aio_req grp) 663static void req_cancel_subs (aio_req grp)
533{ 664{
534 aio_req sub;
535
536 if (grp->type != EIO_GROUP) 665 if (grp->type != EIO_GROUP)
537 return; 666 return;
538 667
539 SvREFCNT_dec (grp->sv2); 668 SvREFCNT_dec (grp->sv2);
540 grp->sv2 = 0; 669 grp->sv2 = 0;
541 670
542 eio_grp_cancel (grp); 671 eio_grp_cancel (grp);
543} 672}
544 673
545static void
546create_respipe (void) 674static void create_respipe (void)
547{ 675{
548 if (s_epipe_renew (&respipe)) 676 if (s_epipe_renew (&respipe))
549 croak ("IO::AIO: unable to initialize result pipe"); 677 croak ("IO::AIO: unable to initialize result pipe");
550} 678}
551 679
… …
589 create_respipe (); 717 create_respipe ();
590} 718}
591 719
592/*****************************************************************************/ 720/*****************************************************************************/
593 721
722#if !_POSIX_MAPPED_FILES
723# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
724# define munmap(addr,length) (errno = ENOSYS, -1)
725#endif
726
727#if !_POSIX_MEMORY_PROTECTION
728# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
729# define PROT_NONE 0
730# define PROT_WRITE 0
731# define MAP_PRIVATE 0
732# define MAP_SHARED 0
733# define MAP_FIXED 0
734#endif
735
594#define MMAP_MAGIC PERL_MAGIC_ext 736#define MMAP_MAGIC PERL_MAGIC_ext
595 737
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 738static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 739{
599 int old_errno = errno; 740 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno; 742 errno = old_errno;
602 743
603 mg->mg_obj = 0; /* just in case */ 744 mg->mg_obj = 0; /* just in case */
604 745
605 SvREADONLY_off (sv); 746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
606 SvCUR_set (sv, 0); 751 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 752 SvPVX (sv) = 0;
609 SvOK_off (sv); 753 SvOK_off (sv);
610 754
611 return 0; 755 return 0;
612} 756}
… …
615 0, 0, 0, 0, mmap_free 759 0, 0, 0, 0, mmap_free
616}; 760};
617 761
618/*****************************************************************************/ 762/*****************************************************************************/
619 763
620static SV *
621get_cb (SV *cb_sv) 764static SV * get_cb (SV *cb_sv)
622{ 765{
623 SvGETMAGIC (cb_sv); 766 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 768}
626 769
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 805# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 806 const_iv (EXDEV)
664 const_iv (ENOSYS) 807 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 808 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 809 const_iv (O_WRONLY)
810 const_iv (O_RDWR)
667 const_iv (O_CREAT) 811 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 812 const_iv (O_TRUNC)
669#ifndef _WIN32 813 const_iv (O_EXCL)
814 const_iv (O_APPEND)
815
816 const_iv (O_ASYNC)
817 const_iv (O_DIRECT)
818 const_iv (O_NOATIME)
819
820 const_iv (O_CLOEXEC)
821 const_iv (O_NOCTTY)
822 const_iv (O_NOFOLLOW)
823 const_iv (O_NONBLOCK)
824 const_iv (O_EXEC)
825 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC)
828 const_iv (O_RSYNC)
829 const_iv (O_SYNC)
830 const_iv (O_TTY_INIT)
831
670 const_iv (S_IFIFO) 832 const_iv (S_IFIFO)
671#endif 833 const_iv (S_IFCHR)
834 const_iv (S_IFBLK)
835 const_iv (S_IFLNK)
836 const_iv (S_IFREG)
837 const_iv (S_IFDIR)
838 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK)
840 const_iv (S_IFMT)
841
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 854
679 const_iv (ST_RDONLY) 855 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 856 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 857 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 858 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 863 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 864 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 865 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 866 const_iv (ST_RELATIME)
691 867
868 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 869 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 870 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 871 const_iv (PROT_WRITE)
696 872
697 /*const_iv (MAP_FIXED)*/ 873 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 874 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 880 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 881 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 882 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 883 const_iv (MAP_NONBLOCK)
708 884
709 const_iv (MCL_FUTURE) 885 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 886 const_eio (MCL_CURRENT)
711 887
712 const_eio (MS_ASYNC) 888 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 889 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 890 const_eio (MS_SYNC)
715 891
716 const_eio (MT_MODIFY) 892 const_eio (MT_MODIFY)
717 893
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 895 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897
898 const_eio (FALLOC_FL_KEEP_SIZE)
721 899
722 const_eio (READDIR_DENTS) 900 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 901 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 902 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 903 const_eio (READDIR_FOUND_UNKNOWN)
… …
752 /* atfork child called in fifo order, so before eio's handler */ 930 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 931 X_THREAD_ATFORK (0, 0, atfork_child);
754} 932}
755 933
756void 934void
757max_poll_reqs (int nreqs) 935max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 936 PROTOTYPE: $
759 CODE: 937 CODE:
760 eio_set_max_poll_reqs (nreqs); 938 eio_set_max_poll_reqs (nreqs);
761 939
762void 940void
… …
764 PROTOTYPE: $ 942 PROTOTYPE: $
765 CODE: 943 CODE:
766 eio_set_max_poll_time (nseconds); 944 eio_set_max_poll_time (nseconds);
767 945
768void 946void
769min_parallel (int nthreads) 947min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 948 PROTOTYPE: $
771 CODE: 949 CODE:
772 eio_set_min_parallel (nthreads); 950 eio_set_min_parallel (nthreads);
773 951
774void 952void
775max_parallel (int nthreads) 953max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 954 PROTOTYPE: $
777 CODE: 955 CODE:
778 eio_set_max_parallel (nthreads); 956 eio_set_max_parallel (nthreads);
779 957
780void 958void
781max_idle (int nthreads) 959max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 960 PROTOTYPE: $
783 CODE: 961 CODE:
784 eio_set_max_idle (nthreads); 962 eio_set_max_idle (nthreads);
785 963
786void 964void
965idle_timeout (unsigned int seconds)
966 PROTOTYPE: $
967 CODE:
968 eio_set_idle_timeout (seconds);
969
970void
787max_outstanding (int maxreqs) 971max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 972 PROTOTYPE: $
789 CODE: 973 CODE:
790 max_outstanding = maxreqs; 974 max_outstanding = maxreqs;
791 975
792void 976void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 977aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 978 PPCODE:
796{ 979{
797 dREQ; 980 dREQ;
798 981
799 req->type = EIO_OPEN; 982 req->type = EIO_OPEN;
… …
805 REQ_SEND; 988 REQ_SEND;
806} 989}
807 990
808void 991void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 992aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 993 ALIAS:
812 aio_fsync = EIO_FSYNC 994 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 995 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 996 PPCODE:
815{ 997{
… …
823 REQ_SEND (req); 1005 REQ_SEND (req);
824} 1006}
825 1007
826void 1008void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1009aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1010 PPCODE:
830{ 1011{
831 int fd = s_fileno_croak (fh, 0); 1012 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1013 dREQ;
833 1014
… …
840 1021
841 REQ_SEND (req); 1022 REQ_SEND (req);
842} 1023}
843 1024
844void 1025void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1026aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1027 PPCODE:
848{ 1028{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1029 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1030 dREQ;
852 1031
853 if (close_pipe < 0) 1032 req->type = EIO_FALLOCATE;
1033 req->sv1 = newSVsv (fh);
1034 req->int1 = fd;
1035 req->int2 = mode;
1036 req->offs = offset;
1037 req->size = len;
1038
1039 REQ_SEND (req);
1040}
1041
1042void
1043aio_close (SV *fh, SV *callback=&PL_sv_undef)
1044 PPCODE:
1045{
1046 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047 int fd = s_fileno_croak (fh, 0);
1048 dREQ;
1049
1050 if (expect_false (close_fd < 0))
854 { 1051 {
855 int pipefd [2]; 1052 int pipefd [2];
856 1053
1054 if (
1055#ifdef _WIN32
1056 _pipe (pipefd, 1, _O_BINARY) < 0
1057#else
857 if (pipe (pipefd) < 0 1058 pipe (pipefd) < 0
858 || close (pipefd [1]) < 0
859 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1059 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1060#endif
1061 || close (pipefd [1]) < 0
1062 )
860 abort (); /*D*/ 1063 abort (); /*D*/
861 1064
862 close_pipe = pipefd [0]; 1065 close_fd = pipefd [0];
863 } 1066 }
864 1067
865 req->type = EIO_DUP2; 1068 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1069 req->int1 = close_fd;
867 req->sv2 = newSVsv (fh); 1070 req->sv2 = newSVsv (fh);
868 req->int2 = fd; 1071 req->int2 = fd;
869 1072
870 REQ_SEND (req); 1073 REQ_SEND (req);
871} 1074}
… …
873void 1076void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1077aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1078 ALIAS:
876 aio_read = EIO_READ 1079 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1080 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1081 PPCODE:
880{ 1082{
881 STRLEN svlen; 1083 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1084 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1085 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1126 }
925} 1127}
926 1128
927void 1129void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1130aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$ 1131 ALIAS:
1132 aio_readlink = EIO_READLINK
1133 aio_realpath = EIO_REALPATH
930 PPCODE: 1134 PPCODE:
931{ 1135{
932 SV *data;
933 dREQ; 1136 dREQ;
934 1137
935 req->type = EIO_READLINK; 1138 req->type = ix;
936 req->sv1 = newSVsv (path); 1139 req->sv1 = newSVsv (path);
937 req->ptr1 = SvPVbyte_nolen (req->sv1); 1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1141
939 REQ_SEND; 1142 REQ_SEND;
940} 1143}
941 1144
942void 1145void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1146aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1147 PPCODE:
946{ 1148{
947 int ifd = s_fileno_croak (in_fh , 0); 1149 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1150 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1151 dREQ;
… …
959 REQ_SEND; 1161 REQ_SEND;
960} 1162}
961 1163
962void 1164void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1165aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1166 PPCODE:
966{ 1167{
967 int fd = s_fileno_croak (fh, 0); 1168 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1169 dREQ;
969 1170
… …
1000 } 1201 }
1001 1202
1002 REQ_SEND; 1203 REQ_SEND;
1003} 1204}
1004 1205
1206UV
1207major (UV dev)
1208 ALIAS:
1209 minor = 1
1210 CODE:
1211 RETVAL = ix ? major (dev) : minor (dev);
1212 OUTPUT:
1213 RETVAL
1214
1215UV
1216makedev (UV maj, UV min)
1217 CODE:
1218 RETVAL = makedev (maj, min);
1219 OUTPUT:
1220 RETVAL
1221
1005void 1222void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1223aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007 PPCODE: 1224 PPCODE:
1008{ 1225{
1009 dREQ; 1226 dREQ;
… …
1170void 1387void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1388aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS: 1389 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1390 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1391 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1392 PPCODE:
1177{ 1393{
1178 STRLEN svlen; 1394 STRLEN svlen;
1395 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1396 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1397
1182 if (offset < 0) 1398 if (offset < 0)
1183 offset += svlen; 1399 offset += svlen;
1184 1400
1185 if (offset < 0 || offset > svlen) 1401 if (offset < 0 || offset > svlen)
… …
1190 1406
1191 { 1407 {
1192 dREQ; 1408 dREQ;
1193 1409
1194 req->type = ix; 1410 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1411 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1412 req->ptr2 = (char *)svptr + offset;
1413 req->size = len;
1198 req->int1 = flags; 1414 req->int1 = flags;
1199 1415
1200 REQ_SEND; 1416 REQ_SEND;
1201 } 1417 }
1202} 1418}
1203 1419
1204void 1420void
1421aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1422 PPCODE:
1423{
1424 STRLEN svlen;
1425 char *svptr = SvPVbyte (data, svlen);
1426 UV len = SvUV (length);
1427
1428 if (offset < 0)
1429 offset += svlen;
1430
1431 if (offset < 0 || offset > svlen)
1432 croak ("offset outside of scalar");
1433
1434 if (!SvOK (length) || len + offset > svlen)
1435 len = svlen - offset;
1436
1437 {
1438 dREQ;
1439
1440 req->type = EIO_MLOCK;
1441 req->sv2 = SvREFCNT_inc (data);
1442 req->ptr2 = (char *)svptr + offset;
1443 req->size = len;
1444
1445 REQ_SEND;
1446 }
1447}
1448
1449void
1450aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1451 PPCODE:
1452{
1453 dREQ;
1454
1455 req->type = EIO_MLOCKALL;
1456 req->int1 = flags;
1457
1458 REQ_SEND;
1459}
1460
1461void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1462aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1463 PPCODE:
1207{ 1464{
1208 dREQ; 1465 dREQ;
1209 1466
… …
1213 REQ_SEND; 1470 REQ_SEND;
1214} 1471}
1215 1472
1216void 1473void
1217aio_group (SV *callback=&PL_sv_undef) 1474aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1475 PPCODE:
1220{ 1476{
1221 dREQ; 1477 dREQ;
1222 1478
1223 req->type = EIO_GROUP; 1479 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1496 REQ_SEND;
1241} 1497}
1242 1498
1243int 1499int
1244aioreq_pri (int pri = 0) 1500aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1501 CODE:
1247 RETVAL = next_pri; 1502 RETVAL = next_pri;
1248 if (items > 0) 1503 if (items > 0)
1249 { 1504 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1505 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1517 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1518 next_pri = nice;
1264 1519
1265void 1520void
1266flush () 1521flush ()
1267 PROTOTYPE:
1268 CODE: 1522 CODE:
1269 while (eio_nreqs ()) 1523 while (eio_nreqs ())
1270 { 1524 {
1271 poll_wait (); 1525 poll_wait ();
1272 poll_cb (); 1526 poll_cb ();
1273 } 1527 }
1274 1528
1275int 1529int
1276poll() 1530poll ()
1277 PROTOTYPE:
1278 CODE: 1531 CODE:
1279 poll_wait (); 1532 poll_wait ();
1280 RETVAL = poll_cb (); 1533 RETVAL = poll_cb ();
1281 OUTPUT: 1534 OUTPUT:
1282 RETVAL 1535 RETVAL
1283 1536
1284int 1537int
1285poll_fileno() 1538poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1539 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1540 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1541 OUTPUT:
1290 RETVAL 1542 RETVAL
1291 1543
1292int 1544int
1293poll_cb(...) 1545poll_cb (...)
1294 PROTOTYPE: 1546 PROTOTYPE:
1295 CODE: 1547 CODE:
1296 RETVAL = poll_cb (); 1548 RETVAL = poll_cb ();
1297 OUTPUT: 1549 OUTPUT:
1298 RETVAL 1550 RETVAL
1299 1551
1300void 1552void
1301poll_wait() 1553poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1554 CODE:
1304 poll_wait (); 1555 poll_wait ();
1305 1556
1306int 1557int
1307nreqs() 1558nreqs ()
1308 PROTOTYPE:
1309 CODE: 1559 CODE:
1310 RETVAL = eio_nreqs (); 1560 RETVAL = eio_nreqs ();
1311 OUTPUT: 1561 OUTPUT:
1312 RETVAL 1562 RETVAL
1313 1563
1314int 1564int
1315nready() 1565nready ()
1316 PROTOTYPE:
1317 CODE: 1566 CODE:
1318 RETVAL = eio_nready (); 1567 RETVAL = eio_nready ();
1319 OUTPUT: 1568 OUTPUT:
1320 RETVAL 1569 RETVAL
1321 1570
1322int 1571int
1323npending() 1572npending ()
1324 PROTOTYPE:
1325 CODE: 1573 CODE:
1326 RETVAL = eio_npending (); 1574 RETVAL = eio_npending ();
1327 OUTPUT: 1575 OUTPUT:
1328 RETVAL 1576 RETVAL
1329 1577
1330int 1578int
1331nthreads() 1579nthreads ()
1332 PROTOTYPE:
1333 CODE: 1580 CODE:
1334 RETVAL = eio_nthreads (); 1581 RETVAL = eio_nthreads ();
1335 OUTPUT: 1582 OUTPUT:
1336 RETVAL 1583 RETVAL
1337 1584
1338int 1585int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1586fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1587 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1588 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1589 OUTPUT:
1348 RETVAL 1590 RETVAL
1349 1591
1350ssize_t 1592ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1593sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1594 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1595 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1596 OUTPUT:
1356 RETVAL 1597 RETVAL
1357 1598
1358void 1599void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1600mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1601 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1602 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1603{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1604 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1605 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1606 if (addr == (void *)-1)
1367 XSRETURN_NO; 1607 XSRETURN_NO;
1368 1608
1609 sv_force_normal (scalar);
1610
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1611 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1612 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1613 ->mg_obj = (SV *)length;
1372 1614
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1615 SvUPGRADE (scalar, SVt_PV); /* nop... */
1616
1374 if (!(prot & PROT_WRITE)) 1617 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1618 SvREADONLY_on (scalar);
1619
1620 if (SvLEN (scalar))
1621 Safefree (SvPVX (scalar));
1376 1622
1377 SvPVX (scalar) = (char *)addr; 1623 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1624 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1625 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1626 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1628 XSRETURN_YES;
1383} 1629}
1384 1630
1385void 1631void
1386munmap (SV *scalar) 1632munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1633 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1634 sv_unmagic (scalar, MMAP_MAGIC);
1390 1635
1391int 1636int
1392mlockall (int flags) 1637madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1638 ALIAS:
1639 mprotect = 1
1394 CODE: 1640 CODE:
1641{
1642 STRLEN svlen;
1643 void *addr = SvPVbyte (scalar, svlen);
1644 size_t len = SvUV (length);
1645
1646 if (offset < 0)
1647 offset += svlen;
1648
1649 if (offset < 0 || offset > svlen)
1650 croak ("offset outside of scalar");
1651
1652 if (!SvOK (length) || len + offset > svlen)
1653 len = svlen - offset;
1654
1655 addr = (void *)(((intptr_t)addr) + offset);
1656 eio_page_align (&addr, &len);
1657
1658 switch (ix)
1659 {
1660 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1661 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1662 }
1663}
1664 OUTPUT:
1665 RETVAL
1666
1667int
1668munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1669 CODE:
1670{
1671 STRLEN svlen;
1672 void *addr = SvPVbyte (scalar, svlen);
1673 size_t len = SvUV (length);
1674
1675 if (offset < 0)
1676 offset += svlen;
1677
1678 if (offset < 0 || offset > svlen)
1679 croak ("offset outside of scalar");
1680
1681 if (!SvOK (length) || len + offset > svlen)
1682 len = svlen - offset;
1683
1684 addr = (void *)(((intptr_t)addr) + offset);
1685 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1686#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1687 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 1688#else
1402 RETVAL = -1; 1689 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1690#endif
1691}
1405 OUTPUT: 1692 OUTPUT:
1406 RETVAL 1693 RETVAL
1407 1694
1408int 1695int
1409munlockall () 1696munlockall ()
1410 PROTOTYPE:
1411 CODE: 1697 CODE:
1412#if _POSIX_MEMLOCK 1698#if _POSIX_MEMLOCK
1413 munlockall (); 1699 munlockall ();
1414#else 1700#else
1415 RETVAL = -1; 1701 RETVAL = -1;

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