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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 1.192 by root, Sun Jul 24 03:32:52 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
23
24#ifdef _WIN32
25
26# define EIO_STRUCT_DIRENT Direntry_t
27# undef malloc
28# undef free
29
30// perl overrides all those nice win32 functions
31# undef open
32# undef read
33# undef write
34# undef send
35# undef recv
36# undef stat
37# undef fstat
38# define lstat stat
39# undef truncate
40# undef ftruncate
41# undef open
42# undef close
43# undef unlink
44# undef rmdir
45# undef rename
46# undef lseek
47
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)
58# define readdir(fd) (errno = ENOSYS, -1)
59# define closedir(fd) (errno = ENOSYS, -1)
60# define mkdir(a,b) mkdir (a)
61
62#else
63
64# include <sys/time.h>
65# include <sys/select.h>
66# include <unistd.h>
67# include <utime.h>
68# include <signal.h>
69# define EIO_STRUCT_DIRENT struct dirent
70
71#endif
72 26
73/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
74/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
75#undef readdir 29#undef readdir
76#undef opendir 30#undef opendir
77#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
78 76
79#define EIO_STRUCT_STAT Stat_t 77#define EIO_STRUCT_STAT Stat_t
80 78
81/* use NV for 32 bit perls as it allows larger offsets */ 79/* use NV for 32 bit perls as it allows larger offsets */
82#if IVSIZE >= 8 80#if IVSIZE >= 8
… …
114 STRLEN stroffset; \ 112 STRLEN stroffset; \
115 SV *self; 113 SV *self;
116 114
117#define EIO_NO_WRAPPERS 1 115#define EIO_NO_WRAPPERS 1
118 116
117#include "libeio/config.h"
119#include "libeio/eio.h" 118#include "libeio/eio.h"
120
121#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1
124#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0
128#endif
129
130#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0
132#endif
133
134#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0
136#endif
137
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141
142#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0
144#endif
145
146#ifndef ST_NODEV
147# define ST_NODEV 0
148#endif
149
150#ifndef ST_NOEXEC
151# define ST_NOEXEC 0
152#endif
153
154#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0
156#endif
157
158#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0
160#endif
161
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165
166#ifndef ST_APPEND
167# define ST_APPEND 0
168#endif
169
170#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0
172#endif
173
174#ifndef ST_NOATIME
175# define ST_NOATIME 0
176#endif
177
178#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0
180#endif
181
182#ifndef ST_RELATIME
183# define ST_RELATIME 0
184#endif
185 119
186static int req_invoke (eio_req *req); 120static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 121#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 122static void req_destroy (eio_req *grp);
189#define EIO_DESTROY(req) req_destroy (req) 123#define EIO_DESTROY(req) req_destroy (req)
190 124
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
191enum { 328enum {
192 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
193}; 330};
194
195#include "libeio/eio.c"
196 331
197typedef eio_req *aio_req; 332typedef eio_req *aio_req;
198typedef eio_req *aio_req_ornot; 333typedef eio_req *aio_req_ornot;
199 334
200static SV *on_next_submit; 335static SV *on_next_submit;
… …
280 } 415 }
281} 416}
282 417
283static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
284{ 419{
285 dSP;
286
287 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
288 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
289 422
290 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
291 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
292 ENTER; 429 ENTER;
293 SAVETMPS; 430 SAVETMPS;
294 PUSHMARK (SP); 431 PUSHMARK (SP);
295 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 }
296 446
297 switch (req->type) 447 switch (req->type)
298 { 448 {
299 case EIO_READDIR: 449 case EIO_READDIR:
300 { 450 {
… …
391 case EIO_STATVFS: 541 case EIO_STATVFS:
392 case EIO_FSTATVFS: 542 case EIO_FSTATVFS:
393 { 543 {
394 SV *rv = &PL_sv_undef; 544 SV *rv = &PL_sv_undef;
395 545
546#ifndef _WIN32
396 if (req->result >= 0) 547 if (req->result >= 0)
397 { 548 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 549 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV (); 550 HV *hv = newHV ();
400 551
401 rv = sv_2mortal (newRV_noinc (hv)); 552 rv = sv_2mortal (newRV_noinc ((SV *)hv));
402 553
403 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 554 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); 555 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); 556 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); 557 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); 561 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); 562 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); 563 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); 564 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414 } 565 }
566#endif
415 567
416 PUSHs (rv); 568 PUSHs (rv);
417 } 569 }
418 570
419 break; 571 break;
… …
435 case EIO_NOP: 587 case EIO_NOP:
436 case EIO_BUSY: 588 case EIO_BUSY:
437 break; 589 break;
438 590
439 case EIO_READLINK: 591 case EIO_READLINK:
592 case EIO_REALPATH:
440 if (req->result > 0) 593 if (req->result > 0)
441 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 594 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442 break; 595 break;
443 596
444 case EIO_STAT: 597 case EIO_STAT:
445 case EIO_LSTAT: 598 case EIO_LSTAT:
446 case EIO_FSTAT: 599 case EIO_FSTAT:
447 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
448 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450 PUSHs (sv_2mortal (newSViv (req->result))); 604 PUSHs (sv_result);
451 break; 605 break;
452 606
453 case EIO_READ: 607 case EIO_READ:
454 { 608 {
455 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));
456 *SvEND (req->sv2) = 0; 610 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2); 611 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2); 612 SvSETMAGIC (req->sv2);
459 PUSHs (sv_2mortal (newSViv (req->result))); 613 PUSHs (sv_result);
460 } 614 }
461 break; 615 break;
462 616
463 case EIO_DUP2: 617 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464 if (req->result > 0) 618 if (req->result > 0)
465 req->result = 0; 619 SvIV_set (sv_result, 0);
466 /* FALLTHROUGH */ 620 /* FALLTHROUGH */
467 621
468 default: 622 default:
469 PUSHs (sv_2mortal (newSViv (req->result))); 623 PUSHs (sv_result);
470 break; 624 break;
471 } 625 }
472 626
473 errno = req->errorno; 627 errno = req->errorno;
474 628
475 PUTBACK; 629 PUTBACK;
476 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 630 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477 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;
478 637
479 FREETMPS; 638 FREETMPS;
480 LEAVE; 639 LEAVE;
481 640
482 PUTBACK; 641 PUTBACK;
… …
500 Safefree (req); 659 Safefree (req);
501} 660}
502 661
503static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
504{ 663{
505 aio_req sub;
506
507 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
508 return; 665 return;
509 666
510 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
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
… …
553 709
554 poll_wait (); 710 poll_wait ();
555 } 711 }
556} 712}
557 713
558static void atfork_child (void) 714static void ecb_cold
715reinit (void)
559{ 716{
560 create_respipe (); 717 create_respipe ();
561}
562 718
563static 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
564get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
565{ 768{
566 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
567 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568} 771}
569 772
… …
598{ 801{
599 static const struct { 802 static const struct {
600 const char *name; 803 const char *name;
601 IV iv; 804 IV iv;
602 } *civ, const_iv[] = { 805 } *civ, const_iv[] = {
603# 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 },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 808# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 809 const_iv (EXDEV)
606 const_iv (ENOSYS , ENOSYS) 810 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 811 const_iv (O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY) 812 const_iv (O_WRONLY)
813 const_iv (O_RDWR)
609 const_iv (O_CREAT , O_CREAT) 814 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 815 const_iv (O_TRUNC)
611#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
612 const_iv (S_IFIFO , S_IFIFO) 835 const_iv (S_IFIFO)
613#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
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 845 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 846 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 847 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 848 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 849 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 850 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 851
621 const_iv (ST_RDONLY , ST_RDONLY) 852 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622 const_iv (ST_NOSUID , ST_NOSUID) 853 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623 const_iv (ST_NODEV , ST_NODEV) 854 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624 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)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 862 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 863 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 864 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 865 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 866 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 867 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 868 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 869 const_iv (ST_RELATIME)
870
871 const_iv (PROT_NONE)
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)
… …
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; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->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 CODE:
935 reinit ();
936
937void
677max_poll_reqs (int nreqs) 938max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 939 PROTOTYPE: $
679 CODE: 940 CODE:
680 eio_set_max_poll_reqs (nreqs); 941 eio_set_max_poll_reqs (nreqs);
681 942
682void 943void
… …
684 PROTOTYPE: $ 945 PROTOTYPE: $
685 CODE: 946 CODE:
686 eio_set_max_poll_time (nseconds); 947 eio_set_max_poll_time (nseconds);
687 948
688void 949void
689min_parallel (int nthreads) 950min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 951 PROTOTYPE: $
691 CODE: 952 CODE:
692 eio_set_min_parallel (nthreads); 953 eio_set_min_parallel (nthreads);
693 954
694void 955void
695max_parallel (int nthreads) 956max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 957 PROTOTYPE: $
697 CODE: 958 CODE:
698 eio_set_max_parallel (nthreads); 959 eio_set_max_parallel (nthreads);
699 960
700void 961void
701max_idle (int nthreads) 962max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 963 PROTOTYPE: $
703 CODE: 964 CODE:
704 eio_set_max_idle (nthreads); 965 eio_set_max_idle (nthreads);
705 966
706void 967void
968idle_timeout (unsigned int seconds)
969 PROTOTYPE: $
970 CODE:
971 eio_set_idle_timeout (seconds);
972
973void
707max_outstanding (int maxreqs) 974max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 975 PROTOTYPE: $
709 CODE: 976 CODE:
710 max_outstanding = maxreqs; 977 max_outstanding = maxreqs;
711 978
712void 979void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 980aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 981 PPCODE:
716{ 982{
717 dREQ; 983 dREQ;
718 984
719 req->type = EIO_OPEN; 985 req->type = EIO_OPEN;
… …
725 REQ_SEND; 991 REQ_SEND;
726} 992}
727 993
728void 994void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 995aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 996 ALIAS:
732 aio_fsync = EIO_FSYNC 997 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 998 aio_fdatasync = EIO_FDATASYNC
999 aio_syncfs = EIO_SYNCFS
734 PPCODE: 1000 PPCODE:
735{ 1001{
736 int fd = s_fileno_croak (fh, 0); 1002 int fd = s_fileno_croak (fh, 0);
737 dREQ; 1003 dREQ;
738 1004
… …
743 REQ_SEND (req); 1009 REQ_SEND (req);
744} 1010}
745 1011
746void 1012void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1013aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 1014 PPCODE:
750{ 1015{
751 int fd = s_fileno_croak (fh, 0); 1016 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1017 dREQ;
753 1018
… …
760 1025
761 REQ_SEND (req); 1026 REQ_SEND (req);
762} 1027}
763 1028
764void 1029void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 1030aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 1031 PPCODE:
768{ 1032{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1033 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1034 dREQ;
772 1035
773 if (close_pipe < 0) 1036 req->type = EIO_FALLOCATE;
1037 req->sv1 = newSVsv (fh);
1038 req->int1 = fd;
1039 req->int2 = mode;
1040 req->offs = offset;
1041 req->size = len;
1042
1043 REQ_SEND (req);
1044}
1045
1046void
1047aio_close (SV *fh, SV *callback=&PL_sv_undef)
1048 PPCODE:
1049{
1050 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1051 int fd = s_fileno_croak (fh, 0);
1052 dREQ;
1053
1054 if (expect_false (close_fd < 0))
774 { 1055 {
775 int pipefd [2]; 1056 int pipefd [2];
776 1057
1058 if (
1059#ifdef _WIN32
1060 _pipe (pipefd, 1, _O_BINARY) < 0
1061#else
777 if (pipe (pipefd) < 0 1062 pipe (pipefd) < 0
778 || close (pipefd [1]) < 0
779 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1063 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1064#endif
1065 || close (pipefd [1]) < 0
1066 )
780 abort (); /*D*/ 1067 abort (); /*D*/
781 1068
782 close_pipe = pipefd [0]; 1069 close_fd = pipefd [0];
783 } 1070 }
784 1071
785 req->type = EIO_DUP2; 1072 req->type = EIO_DUP2;
786 req->int1 = close_pipe; 1073 req->int1 = close_fd;
787 req->sv2 = newSVsv (fh); 1074 req->sv2 = newSVsv (fh);
788 req->int2 = fd; 1075 req->int2 = fd;
789 1076
790 REQ_SEND (req); 1077 REQ_SEND (req);
791} 1078}
… …
793void 1080void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1081aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 1082 ALIAS:
796 aio_read = EIO_READ 1083 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1084 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1085 PPCODE:
800{ 1086{
801 STRLEN svlen; 1087 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1088 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1089 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1130 }
845} 1131}
846 1132
847void 1133void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1134aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$ 1135 ALIAS:
1136 aio_readlink = EIO_READLINK
1137 aio_realpath = EIO_REALPATH
850 PPCODE: 1138 PPCODE:
851{ 1139{
852 SV *data;
853 dREQ; 1140 dREQ;
854 1141
855 req->type = EIO_READLINK; 1142 req->type = ix;
856 req->sv1 = newSVsv (path); 1143 req->sv1 = newSVsv (path);
857 req->ptr1 = SvPVbyte_nolen (req->sv1); 1144 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 1145
859 REQ_SEND; 1146 REQ_SEND;
860} 1147}
861 1148
862void 1149void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1150aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1151 PPCODE:
866{ 1152{
867 int ifd = s_fileno_croak (in_fh , 0); 1153 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1154 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1155 dREQ;
… …
879 REQ_SEND; 1165 REQ_SEND;
880} 1166}
881 1167
882void 1168void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1169aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1170 PPCODE:
886{ 1171{
887 int fd = s_fileno_croak (fh, 0); 1172 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1173 dREQ;
889 1174
… …
920 } 1205 }
921 1206
922 REQ_SEND; 1207 REQ_SEND;
923} 1208}
924 1209
1210UV
1211major (UV dev)
1212 ALIAS:
1213 minor = 1
1214 CODE:
1215 RETVAL = ix ? major (dev) : minor (dev);
1216 OUTPUT:
1217 RETVAL
1218
1219UV
1220makedev (UV maj, UV min)
1221 CODE:
1222 RETVAL = makedev (maj, min);
1223 OUTPUT:
1224 RETVAL
1225
925void 1226void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1227aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927 PPCODE: 1228 PPCODE:
928{ 1229{
929 dREQ; 1230 dREQ;
… …
1090void 1391void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1392aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1393 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1394 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1395 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1396 PPCODE:
1097{ 1397{
1098 STRLEN svlen; 1398 STRLEN svlen;
1399 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1400 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1401
1102 if (offset < 0) 1402 if (offset < 0)
1103 offset += svlen; 1403 offset += svlen;
1104 1404
1105 if (offset < 0 || offset > svlen) 1405 if (offset < 0 || offset > svlen)
… …
1110 1410
1111 { 1411 {
1112 dREQ; 1412 dREQ;
1113 1413
1114 req->type = ix; 1414 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1415 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1416 req->ptr2 = (char *)svptr + offset;
1417 req->size = len;
1118 req->int1 = flags; 1418 req->int1 = flags;
1119 1419
1120 REQ_SEND; 1420 REQ_SEND;
1121 } 1421 }
1122} 1422}
1123 1423
1124void 1424void
1425aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1426 PPCODE:
1427{
1428 STRLEN svlen;
1429 char *svptr = SvPVbyte (data, svlen);
1430 UV len = SvUV (length);
1431
1432 if (offset < 0)
1433 offset += svlen;
1434
1435 if (offset < 0 || offset > svlen)
1436 croak ("offset outside of scalar");
1437
1438 if (!SvOK (length) || len + offset > svlen)
1439 len = svlen - offset;
1440
1441 {
1442 dREQ;
1443
1444 req->type = EIO_MLOCK;
1445 req->sv2 = SvREFCNT_inc (data);
1446 req->ptr2 = (char *)svptr + offset;
1447 req->size = len;
1448
1449 REQ_SEND;
1450 }
1451}
1452
1453void
1454aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1455 PPCODE:
1456{
1457 dREQ;
1458
1459 req->type = EIO_MLOCKALL;
1460 req->int1 = flags;
1461
1462 REQ_SEND;
1463}
1464
1465void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1466aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1467 PPCODE:
1127{ 1468{
1128 dREQ; 1469 dREQ;
1129 1470
… …
1133 REQ_SEND; 1474 REQ_SEND;
1134} 1475}
1135 1476
1136void 1477void
1137aio_group (SV *callback=&PL_sv_undef) 1478aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1479 PPCODE:
1140{ 1480{
1141 dREQ; 1481 dREQ;
1142 1482
1143 req->type = EIO_GROUP; 1483 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1500 REQ_SEND;
1161} 1501}
1162 1502
1163int 1503int
1164aioreq_pri (int pri = 0) 1504aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1505 CODE:
1167 RETVAL = next_pri; 1506 RETVAL = next_pri;
1168 if (items > 0) 1507 if (items > 0)
1169 { 1508 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1509 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1521 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1522 next_pri = nice;
1184 1523
1185void 1524void
1186flush () 1525flush ()
1187 PROTOTYPE:
1188 CODE: 1526 CODE:
1189 while (eio_nreqs ()) 1527 while (eio_nreqs ())
1190 { 1528 {
1191 poll_wait (); 1529 poll_wait ();
1192 poll_cb (); 1530 poll_cb ();
1193 } 1531 }
1194 1532
1195int 1533int
1196poll() 1534poll ()
1197 PROTOTYPE:
1198 CODE: 1535 CODE:
1199 poll_wait (); 1536 poll_wait ();
1200 RETVAL = poll_cb (); 1537 RETVAL = poll_cb ();
1201 OUTPUT: 1538 OUTPUT:
1202 RETVAL 1539 RETVAL
1203 1540
1204int 1541int
1205poll_fileno() 1542poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1543 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1544 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1545 OUTPUT:
1210 RETVAL 1546 RETVAL
1211 1547
1212int 1548int
1213poll_cb(...) 1549poll_cb (...)
1214 PROTOTYPE: 1550 PROTOTYPE:
1215 CODE: 1551 CODE:
1216 RETVAL = poll_cb (); 1552 RETVAL = poll_cb ();
1217 OUTPUT: 1553 OUTPUT:
1218 RETVAL 1554 RETVAL
1219 1555
1220void 1556void
1221poll_wait() 1557poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1558 CODE:
1224 poll_wait (); 1559 poll_wait ();
1225 1560
1226int 1561int
1227nreqs() 1562nreqs ()
1228 PROTOTYPE:
1229 CODE: 1563 CODE:
1230 RETVAL = eio_nreqs (); 1564 RETVAL = eio_nreqs ();
1231 OUTPUT: 1565 OUTPUT:
1232 RETVAL 1566 RETVAL
1233 1567
1234int 1568int
1235nready() 1569nready ()
1236 PROTOTYPE:
1237 CODE: 1570 CODE:
1238 RETVAL = eio_nready (); 1571 RETVAL = eio_nready ();
1239 OUTPUT: 1572 OUTPUT:
1240 RETVAL 1573 RETVAL
1241 1574
1242int 1575int
1243npending() 1576npending ()
1244 PROTOTYPE:
1245 CODE: 1577 CODE:
1246 RETVAL = eio_npending (); 1578 RETVAL = eio_npending ();
1247 OUTPUT: 1579 OUTPUT:
1248 RETVAL 1580 RETVAL
1249 1581
1250int 1582int
1251nthreads() 1583nthreads ()
1252 PROTOTYPE:
1253 CODE: 1584 CODE:
1254 RETVAL = eio_nthreads (); 1585 RETVAL = eio_nthreads ();
1255 OUTPUT: 1586 OUTPUT:
1256 RETVAL 1587 RETVAL
1257 1588
1258int 1589int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1590fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1591 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1592 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1593 OUTPUT:
1268 RETVAL 1594 RETVAL
1269 1595
1270ssize_t 1596IV
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1597sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1598 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1599 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1600 OUTPUT:
1276 RETVAL 1601 RETVAL
1277 1602
1603void
1604mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1605 PPCODE:
1606 sv_unmagic (scalar, MMAP_MAGIC);
1607{
1608 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1609 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1610 if (addr == (void *)-1)
1611 XSRETURN_NO;
1612
1613 sv_force_normal (scalar);
1614
1615 /* we store the length in mg_obj, as namlen is I32 :/ */
1616 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1617 ->mg_obj = (SV *)length;
1618
1619 SvUPGRADE (scalar, SVt_PV); /* nop... */
1620
1621 if (!(prot & PROT_WRITE))
1622 SvREADONLY_on (scalar);
1623
1624 if (SvLEN (scalar))
1625 Safefree (SvPVX (scalar));
1626
1627 SvPVX (scalar) = (char *)addr;
1628 SvCUR_set (scalar, length);
1629 SvLEN_set (scalar, 0);
1630 SvPOK_only (scalar);
1631
1632 XSRETURN_YES;
1633}
1634
1635void
1636munmap (SV *scalar)
1637 CODE:
1638 sv_unmagic (scalar, MMAP_MAGIC);
1639
1640int
1641madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1642 ALIAS:
1643 mprotect = 1
1644 CODE:
1645{
1646 STRLEN svlen;
1647 void *addr = SvPVbyte (scalar, svlen);
1648 size_t len = SvUV (length);
1649
1650 if (offset < 0)
1651 offset += svlen;
1652
1653 if (offset < 0 || offset > svlen)
1654 croak ("offset outside of scalar");
1655
1656 if (!SvOK (length) || len + offset > svlen)
1657 len = svlen - offset;
1658
1659 addr = (void *)(((intptr_t)addr) + offset);
1660 eio_page_align (&addr, &len);
1661
1662 switch (ix)
1663 {
1664 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1665 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1666 }
1667}
1668 OUTPUT:
1669 RETVAL
1670
1671int
1672munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1673 CODE:
1674{
1675 STRLEN svlen;
1676 void *addr = SvPVbyte (scalar, svlen);
1677 size_t len = SvUV (length);
1678
1679 if (offset < 0)
1680 offset += svlen;
1681
1682 if (offset < 0 || offset > svlen)
1683 croak ("offset outside of scalar");
1684
1685 if (!SvOK (length) || len + offset > svlen)
1686 len = svlen - offset;
1687
1688 addr = (void *)(((intptr_t)addr) + offset);
1689 eio_page_align (&addr, &len);
1690#if _POSIX_MEMLOCK_RANGE
1691 RETVAL = munlock (addr, len);
1692#else
1693 RETVAL = ((errno = ENOSYS), -1);
1694#endif
1695}
1696 OUTPUT:
1697 RETVAL
1698
1699int
1700munlockall ()
1701 CODE:
1702#if _POSIX_MEMLOCK
1703 munlockall ();
1704#else
1705 RETVAL = -1;
1706 errno = ENOSYS;
1707#endif
1708 OUTPUT:
1709 RETVAL
1710
1278void _on_next_submit (SV *cb) 1711void _on_next_submit (SV *cb)
1279 CODE: 1712 CODE:
1280 SvREFCNT_dec (on_next_submit); 1713 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1714 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1715

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