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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC vs.
Revision 1.194 by root, Fri Jul 29 08:35:36 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 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif 22#endif
24 23
25/* perl namespace pollution */ 24/* perl namespace pollution */
26#undef VERSION 25#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 26
77/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
79#undef readdir 29#undef readdir
80#undef opendir 30#undef opendir
81#undef closedir 31#undef closedir
32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66
67#else
68
69 #include <sys/time.h>
70 #include <sys/select.h>
71 #include <unistd.h>
72 #include <utime.h>
73 #include <signal.h>
74
75#endif
82 76
83#define EIO_STRUCT_STAT Stat_t 77#define EIO_STRUCT_STAT Stat_t
84 78
85/* use NV for 32 bit perls as it allows larger offsets */ 79/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8 80#if IVSIZE >= 8
… …
118 STRLEN stroffset; \ 112 STRLEN stroffset; \
119 SV *self; 113 SV *self;
120 114
121#define EIO_NO_WRAPPERS 1 115#define EIO_NO_WRAPPERS 1
122 116
117#include "libeio/config.h"
123#include "libeio/eio.h" 118#include "libeio/eio.h"
124
125#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#ifndef ST_NODEV
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif
182 119
183static int req_invoke (eio_req *req); 120static int req_invoke (eio_req *req);
184#define EIO_FINISH(req) req_invoke (req) 121#define EIO_FINISH(req) req_invoke (req)
185static void req_destroy (eio_req *grp); 122static void req_destroy (eio_req *grp);
186#define EIO_DESTROY(req) req_destroy (req) 123#define EIO_DESTROY(req) req_destroy (req)
187 124
125#include "libeio/eio.c"
126
127/* Linux/others */
128#ifndef O_ASYNC
129# define O_ASYNC 0
130#endif
131#ifndef O_DIRECT
132# define O_DIRECT 0
133#endif
134#ifndef O_NOATIME
135# define O_NOATIME 0
136#endif
137
138/* POSIX */
139#ifndef O_CLOEXEC
140# define O_CLOEXEC 0
141#endif
142#ifndef O_NOFOLLOW
143# define O_NOFOLLOW 0
144#endif
145#ifndef O_NOCTTY
146# define O_NOCTTY 0
147#endif
148#ifndef O_NONBLOCK
149# define O_NONBLOCK 0
150#endif
151#ifndef O_EXEC
152# define O_EXEC 0
153#endif
154#ifndef O_SEARCH
155# define O_SEARCH 0
156#endif
157#ifndef O_DIRECTORY
158# define O_DIRECTORY 0
159#endif
160#ifndef O_DSYNC
161# define O_DSYNC 0
162#endif
163#ifndef O_RSYNC
164# define O_RSYNC 0
165#endif
166#ifndef O_SYNC
167# define O_SYNC 0
168#endif
169#ifndef O_TTY_INIT
170# define O_TTY_INIT 0
171#endif
172
173#ifndef POSIX_FADV_NORMAL
174# define POSIX_FADV_NORMAL 0
175#endif
176#ifndef POSIX_FADV_SEQUENTIAL
177# define POSIX_FADV_SEQUENTIAL 0
178#endif
179#ifndef POSIX_FADV_RANDOM
180# define POSIX_FADV_RANDOM 0
181#endif
182#ifndef POSIX_FADV_NOREUSE
183# define POSIX_FADV_NOREUSE 0
184#endif
185#ifndef POSIX_FADV_WILLNEED
186# define POSIX_FADV_WILLNEED 0
187#endif
188#ifndef POSIX_FADV_DONTNEED
189# define POSIX_FADV_DONTNEED 0
190#endif
191
192#if !HAVE_POSIX_FADVISE
193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
194#endif
195
196#ifndef POSIX_MADV_NORMAL
197# define POSIX_MADV_NORMAL 0
198#endif
199#ifndef POSIX_MADV_SEQUENTIAL
200# define POSIX_MADV_SEQUENTIAL 0
201#endif
202#ifndef POSIX_MADV_RANDOM
203# define POSIX_MADV_RANDOM 0
204#endif
205#ifndef POSIX_MADV_WILLNEED
206# define POSIX_MADV_WILLNEED 0
207#endif
208#ifndef POSIX_MADV_DONTNEED
209# define POSIX_MADV_DONTNEED 0
210#endif
211
212#if !HAVE_POSIX_MADVISE
213# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
214#endif
215
216#ifndef PROT_NONE
217# define PROT_NONE 0
218#endif
219#ifndef PROT_READ
220# define PROT_READ 0
221#endif
222#ifndef PROT_WRITE
223# define PROT_READ 0
224#endif
225#ifndef PROT_EXEC
226# define PROT_EXEC 0
227#endif
228
229#ifndef ST_RDONLY
230# define ST_RDONLY 0
231#endif
232#ifndef ST_NOSUID
233# define ST_NOSUID 0
234#endif
235#ifndef ST_NODEV
236# define ST_NODEV 0
237#endif
238#ifndef ST_NOEXEC
239# define ST_NOEXEC 0
240#endif
241#ifndef ST_SYNCHRONOUS
242# define ST_SYNCHRONOUS 0
243#endif
244#ifndef ST_MANDLOCK
245# define ST_MANDLOCK 0
246#endif
247#ifndef ST_WRITE
248# define ST_WRITE 0
249#endif
250#ifndef ST_APPEND
251# define ST_APPEND 0
252#endif
253#ifndef ST_IMMUTABLE
254# define ST_IMMUTABLE 0
255#endif
256#ifndef ST_NOATIME
257# define ST_NOATIME 0
258#endif
259#ifndef ST_NODIRATIME
260# define ST_NODIRATIME 0
261#endif
262#ifndef ST_RELATIME
263# define ST_RELATIME 0
264#endif
265
266#ifndef S_IFIFO
267# define S_IFIFO 0
268#endif
269#ifndef S_IFCHR
270# define S_IFCHR 0
271#endif
272#ifndef S_IFBLK
273# define S_IFBLK 0
274#endif
275#ifndef S_IFLNK
276# define S_IFLNK 0
277#endif
278#ifndef S_IFREG
279# define S_IFREG 0
280#endif
281#ifndef S_IFDIR
282# define S_IFDIR 0
283#endif
284#ifndef S_IFWHT
285# define S_IFWHT 0
286#endif
287#ifndef S_IFSOCK
288# define S_IFSOCK 0
289#endif
290
291#ifndef MAP_ANONYMOUS
292# ifdef MAP_ANON
293# define MAP_ANONYMOUS MAP_ANON
294# else
295# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
296# endif
297#endif
298#ifndef MAP_HUGETLB
299# define MAP_HUGETLB 0
300#endif
301#ifndef MAP_LOCKED
302# define MAP_LOCKED 0
303#endif
304#ifndef MAP_NORESERVE
305# define MAP_NORESERVE 0
306#endif
307#ifndef MAP_POPULATE
308# define MAP_POPULATE 0
309#endif
310#ifndef MAP_NONBLOCK
311# define MAP_NONBLOCK 0
312#endif
313
314#ifndef makedev
315# define makedev(maj,min) (((maj) << 8) | (min))
316#endif
317#ifndef major
318# define major(dev) ((dev) >> 8)
319#endif
320#ifndef minor
321# define minor(dev) ((dev) & 0xff)
322#endif
323
324#ifndef PAGESIZE
325# define PAGESIZE sysconf (_SC_PAGESIZE)
326#endif
327
188enum { 328enum {
189 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
190}; 330};
191
192#include "libeio/eio.c"
193 331
194typedef eio_req *aio_req; 332typedef eio_req *aio_req;
195typedef eio_req *aio_req_ornot; 333typedef eio_req *aio_req_ornot;
196 334
197static SV *on_next_submit; 335static SV *on_next_submit;
… …
277 } 415 }
278} 416}
279 417
280static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
281{ 419{
282 dSP;
283
284 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
285 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
286 422
287 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
288 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
289 ENTER; 429 ENTER;
290 SAVETMPS; 430 SAVETMPS;
291 PUSHMARK (SP); 431 PUSHMARK (SP);
292 EXTEND (SP, 1); 432 EXTEND (SP, 1);
433
434 /* do not recreate the result IV from scratch each time */
435 if (expect_true (sv_result_cache))
436 {
437 sv_result = sv_result_cache; sv_result_cache = 0;
438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
440 }
441 else
442 {
443 sv_result = newSViv (req->result);
444 SvREADONLY_on (sv_result);
445 }
293 446
294 switch (req->type) 447 switch (req->type)
295 { 448 {
296 case EIO_READDIR: 449 case EIO_READDIR:
297 { 450 {
… …
388 case EIO_STATVFS: 541 case EIO_STATVFS:
389 case EIO_FSTATVFS: 542 case EIO_FSTATVFS:
390 { 543 {
391 SV *rv = &PL_sv_undef; 544 SV *rv = &PL_sv_undef;
392 545
546#ifndef _WIN32
393 if (req->result >= 0) 547 if (req->result >= 0)
394 { 548 {
395 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 549 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
396 HV *hv = newHV (); 550 HV *hv = newHV ();
397 551
… …
407 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 561 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
408 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 562 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
409 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 563 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
410 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 564 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
411 } 565 }
566#endif
412 567
413 PUSHs (rv); 568 PUSHs (rv);
414 } 569 }
415 570
416 break; 571 break;
… …
432 case EIO_NOP: 587 case EIO_NOP:
433 case EIO_BUSY: 588 case EIO_BUSY:
434 break; 589 break;
435 590
436 case EIO_READLINK: 591 case EIO_READLINK:
592 case EIO_REALPATH:
437 if (req->result > 0) 593 if (req->result > 0)
438 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 594 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
439 break; 595 break;
440 596
441 case EIO_STAT: 597 case EIO_STAT:
442 case EIO_LSTAT: 598 case EIO_LSTAT:
443 case EIO_FSTAT: 599 case EIO_FSTAT:
444 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
445 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
446 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
447 PUSHs (sv_2mortal (newSViv (req->result))); 604 PUSHs (sv_result);
448 break; 605 break;
449 606
450 case EIO_READ: 607 case EIO_READ:
451 { 608 {
452 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 609 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
453 *SvEND (req->sv2) = 0; 610 *SvEND (req->sv2) = 0;
454 SvPOK_only (req->sv2); 611 SvPOK_only (req->sv2);
455 SvSETMAGIC (req->sv2); 612 SvSETMAGIC (req->sv2);
456 PUSHs (sv_2mortal (newSViv (req->result))); 613 PUSHs (sv_result);
457 } 614 }
458 break; 615 break;
459 616
460 case EIO_DUP2: 617 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
461 if (req->result > 0) 618 if (req->result > 0)
462 req->result = 0; 619 SvIV_set (sv_result, 0);
463 /* FALLTHROUGH */ 620 /* FALLTHROUGH */
464 621
465 default: 622 default:
466 PUSHs (sv_2mortal (newSViv (req->result))); 623 PUSHs (sv_result);
467 break; 624 break;
468 } 625 }
469 626
470 errno = req->errorno; 627 errno = req->errorno;
471 628
472 PUTBACK; 629 PUTBACK;
473 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 630 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
474 SPAGAIN; 631 SPAGAIN;
632
633 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
634 SvREFCNT_dec (sv_result);
635 else
636 sv_result_cache = sv_result;
475 637
476 FREETMPS; 638 FREETMPS;
477 LEAVE; 639 LEAVE;
478 640
479 PUTBACK; 641 PUTBACK;
… …
497 Safefree (req); 659 Safefree (req);
498} 660}
499 661
500static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
501{ 663{
502 aio_req sub;
503
504 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
505 return; 665 return;
506 666
507 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
508 grp->sv2 = 0; 668 grp->sv2 = 0;
509 669
510 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
511} 671}
512 672
513static void
514create_respipe (void) 673static void create_respipe (void)
515{ 674{
516 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
517 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
518} 677}
519 678
… …
550 709
551 poll_wait (); 710 poll_wait ();
552 } 711 }
553} 712}
554 713
555static void atfork_child (void) 714static void ecb_cold
715reinit (void)
556{ 716{
557 create_respipe (); 717 create_respipe ();
558}
559 718
560static SV * 719 if (eio_init (want_poll, done_poll) < 0)
720 croak ("IO::AIO: unable to initialise eio library");
721}
722
723/*****************************************************************************/
724
725#if !_POSIX_MAPPED_FILES
726# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
727# define munmap(addr,length) (errno = ENOSYS, -1)
728#endif
729
730#if !_POSIX_MEMORY_PROTECTION
731# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
732# define PROT_NONE 0
733# define PROT_WRITE 0
734# define MAP_PRIVATE 0
735# define MAP_SHARED 0
736# define MAP_FIXED 0
737#endif
738
739#define MMAP_MAGIC PERL_MAGIC_ext
740
741static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
742{
743 int old_errno = errno;
744 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745 errno = old_errno;
746
747 mg->mg_obj = 0; /* just in case */
748
749 SvREADONLY_off (sv);
750
751 if (SvPVX (sv) != mg->mg_ptr)
752 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
753
754 SvCUR_set (sv, 0);
755 SvPVX (sv) = 0;
756 SvOK_off (sv);
757
758 return 0;
759}
760
761static MGVTBL mmap_vtbl = {
762 0, 0, 0, 0, mmap_free
763};
764
765/*****************************************************************************/
766
561get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
562{ 768{
563 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
564 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
565} 771}
566 772
… …
595{ 801{
596 static const struct { 802 static const struct {
597 const char *name; 803 const char *name;
598 IV iv; 804 IV iv;
599 } *civ, const_iv[] = { 805 } *civ, const_iv[] = {
600# define const_iv(name, value) { # name, (IV) value }, 806# define const_niv(name, value) { # name, (IV) value },
807# define const_iv(name) { # name, (IV) name },
601# define const_eio(name) { # name, (IV) EIO_ ## name }, 808# define const_eio(name) { # name, (IV) EIO_ ## name },
602 const_iv (EXDEV , EXDEV) 809 const_iv (EXDEV)
603 const_iv (ENOSYS , ENOSYS) 810 const_iv (ENOSYS)
604 const_iv (O_RDONLY, O_RDONLY) 811 const_iv (O_RDONLY)
605 const_iv (O_WRONLY, O_WRONLY) 812 const_iv (O_WRONLY)
813 const_iv (O_RDWR)
606 const_iv (O_CREAT , O_CREAT) 814 const_iv (O_CREAT)
607 const_iv (O_TRUNC , O_TRUNC) 815 const_iv (O_TRUNC)
608#ifndef _WIN32 816 const_iv (O_EXCL)
817 const_iv (O_APPEND)
818
819 const_iv (O_ASYNC)
820 const_iv (O_DIRECT)
821 const_iv (O_NOATIME)
822
823 const_iv (O_CLOEXEC)
824 const_iv (O_NOCTTY)
825 const_iv (O_NOFOLLOW)
826 const_iv (O_NONBLOCK)
827 const_iv (O_EXEC)
828 const_iv (O_SEARCH)
829 const_iv (O_DIRECTORY)
830 const_iv (O_DSYNC)
831 const_iv (O_RSYNC)
832 const_iv (O_SYNC)
833 const_iv (O_TTY_INIT)
834
609 const_iv (S_IFIFO , S_IFIFO) 835 const_iv (S_IFIFO)
610#endif 836 const_iv (S_IFCHR)
837 const_iv (S_IFBLK)
838 const_iv (S_IFLNK)
839 const_iv (S_IFREG)
840 const_iv (S_IFDIR)
841 const_iv (S_IFWHT)
842 const_iv (S_IFSOCK)
843 const_iv (S_IFMT)
844
611 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 845 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
612 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 846 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
613 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 847 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
614 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 848 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
615 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 849 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
616 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 850 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
617 851
618 const_iv (ST_RDONLY , ST_RDONLY) 852 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
619 const_iv (ST_NOSUID , ST_NOSUID) 853 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
620 const_iv (ST_NODEV , ST_NODEV) 854 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
621 const_iv (ST_NOEXEC , ST_NOEXEC) 855 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
856 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
857
858 const_iv (ST_RDONLY)
859 const_iv (ST_NOSUID)
860 const_iv (ST_NODEV)
861 const_iv (ST_NOEXEC)
622 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 862 const_iv (ST_SYNCHRONOUS)
623 const_iv (ST_MANDLOCK , ST_MANDLOCK) 863 const_iv (ST_MANDLOCK)
624 const_iv (ST_WRITE , ST_WRITE) 864 const_iv (ST_WRITE)
625 const_iv (ST_APPEND , ST_APPEND) 865 const_iv (ST_APPEND)
626 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 866 const_iv (ST_IMMUTABLE)
627 const_iv (ST_NOATIME , ST_NOATIME) 867 const_iv (ST_NOATIME)
628 const_iv (ST_NODIRATIME , ST_NODIRATIME) 868 const_iv (ST_NODIRATIME)
629 const_iv (ST_RELATIME , ST_RELATIME) 869 const_iv (ST_RELATIME)
630 870
631 const_iv (MCL_FUTURE , MCL_FUTURE) 871 const_iv (PROT_NONE)
632 const_iv (MCL_CURRENT , MCL_CURRENT) 872 const_iv (PROT_EXEC)
873 const_iv (PROT_READ)
874 const_iv (PROT_WRITE)
875
876 /*const_iv (MAP_FIXED)*/
877 const_iv (MAP_PRIVATE)
878 const_iv (MAP_SHARED)
879 const_iv (MAP_ANONYMOUS)
880
881 /* linuxish */
882 const_iv (MAP_HUGETLB)
883 const_iv (MAP_LOCKED)
884 const_iv (MAP_NORESERVE)
885 const_iv (MAP_POPULATE)
886 const_iv (MAP_NONBLOCK)
887
888 const_eio (MCL_FUTURE)
889 const_eio (MCL_CURRENT)
633 890
634 const_eio (MS_ASYNC) 891 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 892 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 893 const_eio (MS_SYNC)
637 894
638 const_eio (MT_MODIFY) 895 const_eio (MT_MODIFY)
639 896
640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641 const_eio (SYNC_FILE_RANGE_WRITE) 898 const_eio (SYNC_FILE_RANGE_WRITE)
642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900
901 const_eio (FALLOC_FL_KEEP_SIZE)
643 902
644 const_eio (READDIR_DENTS) 903 const_eio (READDIR_DENTS)
645 const_eio (READDIR_DIRS_FIRST) 904 const_eio (READDIR_DIRS_FIRST)
646 const_eio (READDIR_STAT_ORDER) 905 const_eio (READDIR_STAT_ORDER)
647 const_eio (READDIR_FOUND_UNKNOWN) 906 const_eio (READDIR_FOUND_UNKNOWN)
… …
659 918
660 aio_stash = gv_stashpv ("IO::AIO" , 1); 919 aio_stash = gv_stashpv ("IO::AIO" , 1);
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 920 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 921 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 922
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 923 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666 925
667 create_respipe (); 926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668 927
669 if (eio_init (want_poll, done_poll) < 0) 928 reinit ();
670 croak ("IO::AIO: unable to initialise eio library");
671
672 /* atfork child called in fifo order, so before eio's handler */
673 X_THREAD_ATFORK (0, 0, atfork_child);
674} 929}
675 930
676void 931void
932reinit ()
933 PROTOTYPE:
934
935void
677max_poll_reqs (int nreqs) 936max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 937 PROTOTYPE: $
679 CODE: 938 CODE:
680 eio_set_max_poll_reqs (nreqs); 939 eio_set_max_poll_reqs (nreqs);
681 940
682void 941void
… …
684 PROTOTYPE: $ 943 PROTOTYPE: $
685 CODE: 944 CODE:
686 eio_set_max_poll_time (nseconds); 945 eio_set_max_poll_time (nseconds);
687 946
688void 947void
689min_parallel (int nthreads) 948min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 949 PROTOTYPE: $
691 CODE: 950 CODE:
692 eio_set_min_parallel (nthreads); 951 eio_set_min_parallel (nthreads);
693 952
694void 953void
695max_parallel (int nthreads) 954max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 955 PROTOTYPE: $
697 CODE: 956 CODE:
698 eio_set_max_parallel (nthreads); 957 eio_set_max_parallel (nthreads);
699 958
700void 959void
701max_idle (int nthreads) 960max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 961 PROTOTYPE: $
703 CODE: 962 CODE:
704 eio_set_max_idle (nthreads); 963 eio_set_max_idle (nthreads);
705 964
706void 965void
966idle_timeout (unsigned int seconds)
967 PROTOTYPE: $
968 CODE:
969 eio_set_idle_timeout (seconds);
970
971void
707max_outstanding (int maxreqs) 972max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 973 PROTOTYPE: $
709 CODE: 974 CODE:
710 max_outstanding = maxreqs; 975 max_outstanding = maxreqs;
711 976
712void 977void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 978aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 979 PPCODE:
716{ 980{
717 dREQ; 981 dREQ;
718 982
719 req->type = EIO_OPEN; 983 req->type = EIO_OPEN;
… …
725 REQ_SEND; 989 REQ_SEND;
726} 990}
727 991
728void 992void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 993aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 994 ALIAS:
732 aio_fsync = EIO_FSYNC 995 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 996 aio_fdatasync = EIO_FDATASYNC
997 aio_syncfs = EIO_SYNCFS
734 PPCODE: 998 PPCODE:
735{ 999{
736 int fd = s_fileno_croak (fh, 0); 1000 int fd = s_fileno_croak (fh, 0);
737 dREQ; 1001 dREQ;
738 1002
… …
743 REQ_SEND (req); 1007 REQ_SEND (req);
744} 1008}
745 1009
746void 1010void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1011aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 1012 PPCODE:
750{ 1013{
751 int fd = s_fileno_croak (fh, 0); 1014 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1015 dREQ;
753 1016
… …
760 1023
761 REQ_SEND (req); 1024 REQ_SEND (req);
762} 1025}
763 1026
764void 1027void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 1028aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 1029 PPCODE:
768{ 1030{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1031 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1032 dREQ;
772 1033
773 if (close_pipe < 0) 1034 req->type = EIO_FALLOCATE;
1035 req->sv1 = newSVsv (fh);
1036 req->int1 = fd;
1037 req->int2 = mode;
1038 req->offs = offset;
1039 req->size = len;
1040
1041 REQ_SEND (req);
1042}
1043
1044void
1045aio_close (SV *fh, SV *callback=&PL_sv_undef)
1046 PPCODE:
1047{
1048 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1049 int fd = s_fileno_croak (fh, 0);
1050 dREQ;
1051
1052 if (expect_false (close_fd < 0))
774 { 1053 {
775 int pipefd [2]; 1054 int pipefd [2];
776 1055
1056 if (
1057#ifdef _WIN32
1058 _pipe (pipefd, 1, _O_BINARY) < 0
1059#else
777 if (pipe (pipefd) < 0 1060 pipe (pipefd) < 0
778 || close (pipefd [1]) < 0
779 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1061 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1062#endif
1063 || close (pipefd [1]) < 0
1064 )
780 abort (); /*D*/ 1065 abort (); /*D*/
781 1066
782 close_pipe = pipefd [0]; 1067 close_fd = pipefd [0];
783 } 1068 }
784 1069
785 req->type = EIO_DUP2; 1070 req->type = EIO_DUP2;
786 req->int1 = close_pipe; 1071 req->int1 = close_fd;
787 req->sv2 = newSVsv (fh); 1072 req->sv2 = newSVsv (fh);
788 req->int2 = fd; 1073 req->int2 = fd;
789 1074
790 REQ_SEND (req); 1075 REQ_SEND (req);
791} 1076}
… …
793void 1078void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1079aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 1080 ALIAS:
796 aio_read = EIO_READ 1081 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1082 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1083 PPCODE:
800{ 1084{
801 STRLEN svlen; 1085 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1086 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1087 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1128 }
845} 1129}
846 1130
847void 1131void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1132aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$ 1133 ALIAS:
1134 aio_readlink = EIO_READLINK
1135 aio_realpath = EIO_REALPATH
850 PPCODE: 1136 PPCODE:
851{ 1137{
852 SV *data;
853 dREQ; 1138 dREQ;
854 1139
855 req->type = EIO_READLINK; 1140 req->type = ix;
856 req->sv1 = newSVsv (path); 1141 req->sv1 = newSVsv (path);
857 req->ptr1 = SvPVbyte_nolen (req->sv1); 1142 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 1143
859 REQ_SEND; 1144 REQ_SEND;
860} 1145}
861 1146
862void 1147void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1148aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1149 PPCODE:
866{ 1150{
867 int ifd = s_fileno_croak (in_fh , 0); 1151 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1152 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1153 dREQ;
… …
879 REQ_SEND; 1163 REQ_SEND;
880} 1164}
881 1165
882void 1166void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1167aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1168 PPCODE:
886{ 1169{
887 int fd = s_fileno_croak (fh, 0); 1170 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1171 dREQ;
889 1172
… …
920 } 1203 }
921 1204
922 REQ_SEND; 1205 REQ_SEND;
923} 1206}
924 1207
1208UV
1209major (UV dev)
1210 ALIAS:
1211 minor = 1
1212 CODE:
1213 RETVAL = ix ? major (dev) : minor (dev);
1214 OUTPUT:
1215 RETVAL
1216
1217UV
1218makedev (UV maj, UV min)
1219 CODE:
1220 RETVAL = makedev (maj, min);
1221 OUTPUT:
1222 RETVAL
1223
925void 1224void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1225aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927 PPCODE: 1226 PPCODE:
928{ 1227{
929 dREQ; 1228 dREQ;
… …
1090void 1389void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1390aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1391 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1392 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1393 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1394 PPCODE:
1097{ 1395{
1098 STRLEN svlen; 1396 STRLEN svlen;
1397 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1398 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1399
1102 if (offset < 0) 1400 if (offset < 0)
1103 offset += svlen; 1401 offset += svlen;
1104 1402
1105 if (offset < 0 || offset > svlen) 1403 if (offset < 0 || offset > svlen)
… …
1110 1408
1111 { 1409 {
1112 dREQ; 1410 dREQ;
1113 1411
1114 req->type = ix; 1412 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1413 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1414 req->ptr2 = (char *)svptr + offset;
1415 req->size = len;
1118 req->int1 = flags; 1416 req->int1 = flags;
1119 1417
1120 REQ_SEND; 1418 REQ_SEND;
1121 } 1419 }
1122} 1420}
1123 1421
1124void 1422void
1423aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1424 PPCODE:
1425{
1426 STRLEN svlen;
1427 char *svptr = SvPVbyte (data, svlen);
1428 UV len = SvUV (length);
1429
1430 if (offset < 0)
1431 offset += svlen;
1432
1433 if (offset < 0 || offset > svlen)
1434 croak ("offset outside of scalar");
1435
1436 if (!SvOK (length) || len + offset > svlen)
1437 len = svlen - offset;
1438
1439 {
1440 dREQ;
1441
1442 req->type = EIO_MLOCK;
1443 req->sv2 = SvREFCNT_inc (data);
1444 req->ptr2 = (char *)svptr + offset;
1445 req->size = len;
1446
1447 REQ_SEND;
1448 }
1449}
1450
1451void
1452aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1453 PPCODE:
1454{
1455 dREQ;
1456
1457 req->type = EIO_MLOCKALL;
1458 req->int1 = flags;
1459
1460 REQ_SEND;
1461}
1462
1463void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1464aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1465 PPCODE:
1127{ 1466{
1128 dREQ; 1467 dREQ;
1129 1468
… …
1133 REQ_SEND; 1472 REQ_SEND;
1134} 1473}
1135 1474
1136void 1475void
1137aio_group (SV *callback=&PL_sv_undef) 1476aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1477 PPCODE:
1140{ 1478{
1141 dREQ; 1479 dREQ;
1142 1480
1143 req->type = EIO_GROUP; 1481 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1498 REQ_SEND;
1161} 1499}
1162 1500
1163int 1501int
1164aioreq_pri (int pri = 0) 1502aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1503 CODE:
1167 RETVAL = next_pri; 1504 RETVAL = next_pri;
1168 if (items > 0) 1505 if (items > 0)
1169 { 1506 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1507 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1519 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1520 next_pri = nice;
1184 1521
1185void 1522void
1186flush () 1523flush ()
1187 PROTOTYPE:
1188 CODE: 1524 CODE:
1189 while (eio_nreqs ()) 1525 while (eio_nreqs ())
1190 { 1526 {
1191 poll_wait (); 1527 poll_wait ();
1192 poll_cb (); 1528 poll_cb ();
1193 } 1529 }
1194 1530
1195int 1531int
1196poll() 1532poll ()
1197 PROTOTYPE:
1198 CODE: 1533 CODE:
1199 poll_wait (); 1534 poll_wait ();
1200 RETVAL = poll_cb (); 1535 RETVAL = poll_cb ();
1201 OUTPUT: 1536 OUTPUT:
1202 RETVAL 1537 RETVAL
1203 1538
1204int 1539int
1205poll_fileno() 1540poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1541 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1542 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1543 OUTPUT:
1210 RETVAL 1544 RETVAL
1211 1545
1212int 1546int
1213poll_cb(...) 1547poll_cb (...)
1214 PROTOTYPE: 1548 PROTOTYPE:
1215 CODE: 1549 CODE:
1216 RETVAL = poll_cb (); 1550 RETVAL = poll_cb ();
1217 OUTPUT: 1551 OUTPUT:
1218 RETVAL 1552 RETVAL
1219 1553
1220void 1554void
1221poll_wait() 1555poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1556 CODE:
1224 poll_wait (); 1557 poll_wait ();
1225 1558
1226int 1559int
1227nreqs() 1560nreqs ()
1228 PROTOTYPE:
1229 CODE: 1561 CODE:
1230 RETVAL = eio_nreqs (); 1562 RETVAL = eio_nreqs ();
1231 OUTPUT: 1563 OUTPUT:
1232 RETVAL 1564 RETVAL
1233 1565
1234int 1566int
1235nready() 1567nready ()
1236 PROTOTYPE:
1237 CODE: 1568 CODE:
1238 RETVAL = eio_nready (); 1569 RETVAL = eio_nready ();
1239 OUTPUT: 1570 OUTPUT:
1240 RETVAL 1571 RETVAL
1241 1572
1242int 1573int
1243npending() 1574npending ()
1244 PROTOTYPE:
1245 CODE: 1575 CODE:
1246 RETVAL = eio_npending (); 1576 RETVAL = eio_npending ();
1247 OUTPUT: 1577 OUTPUT:
1248 RETVAL 1578 RETVAL
1249 1579
1250int 1580int
1251nthreads() 1581nthreads ()
1252 PROTOTYPE:
1253 CODE: 1582 CODE:
1254 RETVAL = eio_nthreads (); 1583 RETVAL = eio_nthreads ();
1255 OUTPUT: 1584 OUTPUT:
1256 RETVAL 1585 RETVAL
1257 1586
1258int 1587int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1588fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1589 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1590 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1591 OUTPUT:
1268 RETVAL 1592 RETVAL
1269 1593
1270ssize_t 1594IV
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1595sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1596 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1597 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1598 OUTPUT:
1276 RETVAL 1599 RETVAL
1277 1600
1601void
1602mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1603 PPCODE:
1604 sv_unmagic (scalar, MMAP_MAGIC);
1605{
1606 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1607 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1608 if (addr == (void *)-1)
1609 XSRETURN_NO;
1610
1611 sv_force_normal (scalar);
1612
1613 /* we store the length in mg_obj, as namlen is I32 :/ */
1614 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1615 ->mg_obj = (SV *)length;
1616
1617 SvUPGRADE (scalar, SVt_PV); /* nop... */
1618
1619 if (!(prot & PROT_WRITE))
1620 SvREADONLY_on (scalar);
1621
1622 if (SvLEN (scalar))
1623 Safefree (SvPVX (scalar));
1624
1625 SvPVX (scalar) = (char *)addr;
1626 SvCUR_set (scalar, length);
1627 SvLEN_set (scalar, 0);
1628 SvPOK_only (scalar);
1629
1630 XSRETURN_YES;
1631}
1632
1633void
1634munmap (SV *scalar)
1635 CODE:
1636 sv_unmagic (scalar, MMAP_MAGIC);
1637
1278int 1638int
1279mlockall (int flags) 1639madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1280 PROTOTYPE: $ 1640 ALIAS:
1641 mprotect = 1
1281 CODE: 1642 CODE:
1643{
1644 STRLEN svlen;
1645 void *addr = SvPVbyte (scalar, svlen);
1646 size_t len = SvUV (length);
1647
1648 if (offset < 0)
1649 offset += svlen;
1650
1651 if (offset < 0 || offset > svlen)
1652 croak ("offset outside of scalar");
1653
1654 if (!SvOK (length) || len + offset > svlen)
1655 len = svlen - offset;
1656
1657 addr = (void *)(((intptr_t)addr) + offset);
1658 eio_page_align (&addr, &len);
1659
1660 switch (ix)
1661 {
1662 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1663 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1664 }
1665}
1666 OUTPUT:
1667 RETVAL
1668
1669int
1670munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1671 CODE:
1672{
1673 STRLEN svlen;
1674 void *addr = SvPVbyte (scalar, svlen);
1675 size_t len = SvUV (length);
1676
1677 if (offset < 0)
1678 offset += svlen;
1679
1680 if (offset < 0 || offset > svlen)
1681 croak ("offset outside of scalar");
1682
1683 if (!SvOK (length) || len + offset > svlen)
1684 len = svlen - offset;
1685
1686 addr = (void *)(((intptr_t)addr) + offset);
1687 eio_page_align (&addr, &len);
1282#if _POSIX_MEMLOCK 1688#if _POSIX_MEMLOCK_RANGE
1283#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1689 RETVAL = munlock (addr, len);
1284 extern int mallopt (int, int);
1285 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1286#endif
1287 mlockall (flags);
1288#else 1690#else
1289 RETVAL ＝-1; 1691 RETVAL = ((errno = ENOSYS), -1);
1290 errno = ENOSYS;
1291#endif 1692#endif
1693}
1292 OUTPUT: 1694 OUTPUT:
1293 RETVAL 1695 RETVAL
1294 1696
1295int 1697int
1296munlockall () 1698munlockall ()
1297 PROTOTYPE:
1298 CODE: 1699 CODE:
1299#if _POSIX_MEMLOCK 1700#if _POSIX_MEMLOCK
1300 munlockall (); 1701 munlockall ();
1301#else 1702#else
1302 RETVAL ＝-1; 1703 RETVAL = -1;
1303 errno = ENOSYS; 1704 errno = ENOSYS;
1304#endif 1705#endif
1305 OUTPUT: 1706 OUTPUT:
1306 RETVAL 1707 RETVAL
1307 1708

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