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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.203 by root, Thu Sep 29 23:06:24 2011 UTC vs.
Revision 1.225 by root, Sat Dec 29 09:35:39 2012 UTC

17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif
23
24#if __linux__
25# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP
27# include <linux/types.h>
28# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1
30# endif
22#endif 31#endif
23 32
24/* perl namespace pollution */ 33/* perl namespace pollution */
25#undef VERSION 34#undef VERSION
26 35
62 #undef dup 71 #undef dup
63 #undef dup2 72 #undef dup2
64 #undef abort 73 #undef abort
65 #undef pipe 74 #undef pipe
66 75
76 #define EIO_STRUCT_STAT struct _stati64
77 #define EIO_STRUCT_STATI64
78
67#else 79#else
68 80
69 #include <sys/time.h> 81 #include <sys/time.h>
70 #include <sys/select.h> 82 #include <sys/select.h>
71 #include <unistd.h> 83 #include <unistd.h>
72 #include <utime.h> 84 #include <utime.h>
73 #include <signal.h> 85 #include <signal.h>
74 86
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 87 #define EIO_STRUCT_STAT Stat_t
78 88
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 89#endif
89 90
90/*****************************************************************************/ 91/*****************************************************************************/
91 92
92#if __GNUC__ >= 3 93#if __GNUC__ >= 3
123static void req_destroy (eio_req *grp); 124static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 125#define EIO_DESTROY(req) req_destroy (req)
125 126
126#include "libeio/eio.c" 127#include "libeio/eio.c"
127 128
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
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 130# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 131#endif
196 132
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 133#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# 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
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
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
290#endif 135#endif
291 136
292#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 138# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
295# else 140# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 142# endif
298#endif 143#endif
299#ifndef MAP_HUGETLB 144
300# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
301#endif 146#include "def0.h"
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 147
315#ifndef makedev 148#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 150#endif
318#ifndef major 151#ifndef major
320#endif 153#endif
321#ifndef minor 154#ifndef minor
322# define minor(dev) ((dev) & 0xff) 155# define minor(dev) ((dev) & 0xff)
323#endif 156#endif
324 157
325#ifndef PAGESIZE 158#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 160#endif
161
162/*****************************************************************************/
163
164static void
165fiemap (eio_req *req)
166{
167 req->result = -1;
168
169#if HAVE_FIEMAP
170 /* assume some c99 */
171 struct fiemap *fiemap = 0;
172 size_t end_offset;
173 int count = req->int3;
174
175 req->flags |= EIO_FLAG_PTR1_FREE;
176
177 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
178 /* increase in 3.5kb steps */
179 if (count < 0)
180 count = 8;
181
182 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
183 errno = ENOMEM;
184 if (!fiemap)
185 return;
186
187 req->ptr1 = fiemap;
188
189 fiemap->fm_start = req->offs;
190 fiemap->fm_length = req->size;
191 fiemap->fm_flags = req->int2;
192 fiemap->fm_extent_count = count;
193
194 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
195 return;
196
197 if (req->int3 >= 0 /* not autosizing */
198 || !fiemap->fm_mapped_extents /* no more extents */
199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200 goto done;
201
202 /* else we have to loop -
203 * it would be tempting (atcually I tried that first) to just query the
204 * number of extents needed, but linux often feels like not returning all
205 * extents, without telling us it left any out. this complicates
206 * this quite a bit.
207 */
208
209 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
210
211 for (;;)
212 {
213 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
214 char scratch[3072];
215 struct fiemap *incmap = (struct fiemap *)scratch;
216
217 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
218 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
219 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
220 incmap->fm_flags = fiemap->fm_flags;
221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222
223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224 return;
225
226 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228 errno = ENOMEM;
229 if (!fiemap)
230 return;
231
232 req->ptr1 = fiemap;
233
234 for (count = 0; count < incmap->fm_mapped_extents; ++count)
235 {
236 struct fiemap_extent *e = incmap->fm_extents + count;
237
238 if (e->fe_logical + e->fe_length >= end_offset)
239 goto done;
240
241 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
242
243 if (e->fe_flags & FIEMAP_EXTENT_LAST)
244 goto done;
245
246 }
247 }
248
249done:
250 req->result = 0;
251
252#else
253 errno = ENOSYS;
254#endif
255}
256
257/*****************************************************************************/
328 258
329enum { 259enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 260 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 261};
332 262
380SvAIO_REQ (SV *sv) 310SvAIO_REQ (SV *sv)
381{ 311{
382 MAGIC *mg; 312 MAGIC *mg;
383 313
384 if (!SvROK (sv) 314 if (!SvROK (sv)
315 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 316 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 317 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 318 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 319 croak ("object of class IO::AIO::REQ expected");
389 320
394 325
395static aio_wd 326static aio_wd
396SvAIO_WD (SV *sv) 327SvAIO_WD (SV *sv)
397{ 328{
398 if (!SvROK (sv) 329 if (!SvROK (sv)
330 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 331 || SvSTASH (SvRV (sv)) != aio_wd_stash)
400 || SvTYPE (SvRV (sv)) != SVt_PVMG)
401 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 332 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 333
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 334 return (aio_wd)(long)SvIVX (SvRV (sv));
404} 335}
405 336
576#ifndef _WIN32 507#ifndef _WIN32
577 if (req->result >= 0) 508 if (req->result >= 0)
578 { 509 {
579 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 510 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580 HV *hv = newHV (); 511 HV *hv = newHV ();
512 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
513 * chooses to make it a struct.
514 */
515 unsigned long fsid = 0;
516 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581 517
582 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 518 rv = sv_2mortal (newRV_noinc ((SV *)hv));
583 519
584 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 520 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 521 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
587 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 523 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 524 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 525 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 526 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 527 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 528 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 529 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 530 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595 } 531 }
596#endif 532#endif
597 533
632 if (!(PL_laststatval = req->result)) 568 if (!(PL_laststatval = req->result))
633 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 569 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 570 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 571
636 PUSHs (sv_result); 572 PUSHs (sv_result);
573 break;
574
575 case EIO_SEEK:
576 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637 break; 577 break;
638 578
639 case EIO_READ: 579 case EIO_READ:
640 { 580 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 581 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
644 SvSETMAGIC (req->sv2); 584 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 585 PUSHs (sv_result);
646 } 586 }
647 break; 587 break;
648 588
589 case EIO_CUSTOM:
590 if (req->feed == fiemap)
591 {
592#if HAVE_FIEMAP
593 if (!req->result)
594 {
595 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
596
597 if (fiemap->fm_extent_count)
598 {
599 AV *av = newAV ();
600 int i;
601
602 while (fiemap->fm_mapped_extents)
603 {
604 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
605 AV *ext_av = newAV ();
606
607 av_store (ext_av, 3, newSVuv (extent->fe_flags));
608 av_store (ext_av, 2, newSVval64 (extent->fe_length));
609 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
610 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
611
612 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
613 }
614
615 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
616 }
617 else
618 {
619 SvIV_set (sv_result, fiemap->fm_mapped_extents);
620 PUSHs (sv_result);
621 }
622 }
623#endif
624 }
625 else
626 PUSHs (sv_result);
627 break;
628
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 629 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 630 if (req->result > 0)
651 SvIV_set (sv_result, 0); 631 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 632 /* FALLTHROUGH */
653 633
689 SvREFCNT_dec (req->sv2); 669 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 670 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 671 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 672 SvREFCNT_dec (req->callback);
693 673
694 Safefree (req); 674 free (req);
695} 675}
696 676
697static void 677static void
698req_cancel_subs (aio_req grp) 678req_cancel_subs (aio_req grp)
699{ 679{
760} 740}
761 741
762/*****************************************************************************/ 742/*****************************************************************************/
763 743
764#if !_POSIX_MAPPED_FILES 744#if !_POSIX_MAPPED_FILES
765# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 745# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
766# define munmap(addr,length) (errno = ENOSYS, -1) 746# define munmap(addr,length) EIO_ENOSYS ()
767#endif 747#endif
768 748
769#if !_POSIX_MEMORY_PROTECTION 749#if !_POSIX_MEMORY_PROTECTION
770# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 750# define mprotect(addr,len,prot) EIO_ENOSYS ()
771# define PROT_NONE 0 751# define PROT_NONE 0
772# define PROT_WRITE 0 752# define PROT_WRITE 0
773# define MAP_PRIVATE 0 753# define MAP_PRIVATE 0
774# define MAP_SHARED 0 754# define MAP_SHARED 0
775# define MAP_FIXED 0 755# define MAP_FIXED 0
819 int req_pri = next_pri; 799 int req_pri = next_pri;
820 next_pri = EIO_PRI_DEFAULT; 800 next_pri = EIO_PRI_DEFAULT;
821 801
822 cb_cv = get_cb (callback); 802 cb_cv = get_cb (callback);
823 803
824 Newz (0, req, 1, eio_req); 804 req = calloc (sizeof (*req), 1);
825 if (!req) 805 if (!req)
826 croak ("out of memory during eio_req allocation"); 806 croak ("out of memory during eio_req allocation");
827 807
828 req->callback = SvREFCNT_inc (cb_cv); 808 req->callback = SvREFCNT_inc (cb_cv);
829 req->pri = req_pri; 809 req->pri = req_pri;
845ecb_inline void 825ecb_inline void
846req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 826req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
847{ 827{
848 if (expect_false (SvROK (path))) 828 if (expect_false (SvROK (path)))
849 { 829 {
850 AV *av = (AV *)SvRV (path); 830 SV *rv = SvRV (path);
851 SV *wdob; 831 SV *wdob;
852 832
853 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 833 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
854 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
855
856 path = AvARRAY (av)[1];
857 wdob = AvARRAY (av)[0];
858
859 if (SvOK (wdob))
860 { 834 {
835 path = AvARRAY (rv)[1];
836 wdob = AvARRAY (rv)[0];
837
838 if (SvOK (wdob))
839 {
861 *wd = SvAIO_WD (wdob); 840 *wd = SvAIO_WD (wdob);
862 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 841 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
842 }
843 else
844 *wd = EIO_INVALID_WD;
845 }
846 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
847 {
848 *wd = (aio_wd)(long)SvIVX (rv);
849 *wdsv = SvREFCNT_inc_NN (rv);
850 *ptr = ".";
851 return; /* path set to "." */
863 } 852 }
864 else 853 else
865 *wd = EIO_INVALID_WD; 854 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
866 } 855 }
867 856
868 *pathsv = newSVsv (path); 857 *pathsv = newSVsv (path);
869 *ptr = SvPVbyte_nolen (*pathsv); 858 *ptr = SvPVbyte_nolen (*pathsv);
870} 859}
910 IV iv; 899 IV iv;
911 } *civ, const_iv[] = { 900 } *civ, const_iv[] = {
912# define const_niv(name, value) { # name, (IV) value }, 901# define const_niv(name, value) { # name, (IV) value },
913# define const_iv(name) { # name, (IV) name }, 902# define const_iv(name) { # name, (IV) name },
914# define const_eio(name) { # name, (IV) EIO_ ## name }, 903# define const_eio(name) { # name, (IV) EIO_ ## name },
904
905 /* you have to re-run ./gendef0 after adding/Removing any constants here */
906
907 const_iv (ENOSYS)
915 const_iv (EXDEV) 908 const_iv (EXDEV)
916 const_iv (ENOSYS) 909 const_iv (EBADR)
910
917 const_iv (O_RDONLY) 911 const_iv (O_RDONLY)
918 const_iv (O_WRONLY) 912 const_iv (O_WRONLY)
919 const_iv (O_RDWR) 913 const_iv (O_RDWR)
920 const_iv (O_CREAT) 914 const_iv (O_CREAT)
921 const_iv (O_TRUNC) 915 const_iv (O_TRUNC)
989 const_iv (MAP_LOCKED) 983 const_iv (MAP_LOCKED)
990 const_iv (MAP_NORESERVE) 984 const_iv (MAP_NORESERVE)
991 const_iv (MAP_POPULATE) 985 const_iv (MAP_POPULATE)
992 const_iv (MAP_NONBLOCK) 986 const_iv (MAP_NONBLOCK)
993 987
988 const_iv (FIEMAP_FLAG_SYNC)
989 const_iv (FIEMAP_FLAG_XATTR)
990 const_iv (FIEMAP_FLAGS_COMPAT)
991 const_iv (FIEMAP_EXTENT_LAST)
992 const_iv (FIEMAP_EXTENT_UNKNOWN)
993 const_iv (FIEMAP_EXTENT_DELALLOC)
994 const_iv (FIEMAP_EXTENT_ENCODED)
995 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
996 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
997 const_iv (FIEMAP_EXTENT_DATA_INLINE)
998 const_iv (FIEMAP_EXTENT_DATA_TAIL)
999 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1000 const_iv (FIEMAP_EXTENT_MERGED)
1001 const_iv (FIEMAP_EXTENT_SHARED)
1002
1003 const_iv (SPLICE_F_MOVE)
1004 const_iv (SPLICE_F_NONBLOCK)
1005 const_iv (SPLICE_F_MORE)
1006 const_iv (SPLICE_F_GIFT)
1007
1008 const_iv (SEEK_DATA)
1009 const_iv (SEEK_HOLE)
1010
1011 /* libeio constants */
1012 const_eio (SEEK_SET)
1013 const_eio (SEEK_CUR)
1014 const_eio (SEEK_END)
1015
994 const_eio (MCL_FUTURE) 1016 const_eio (MCL_FUTURE)
995 const_eio (MCL_CURRENT) 1017 const_eio (MCL_CURRENT)
996 1018
997 const_eio (MS_ASYNC) 1019 const_eio (MS_ASYNC)
998 const_eio (MS_INVALIDATE) 1020 const_eio (MS_INVALIDATE)
1003 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1025 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1004 const_eio (SYNC_FILE_RANGE_WRITE) 1026 const_eio (SYNC_FILE_RANGE_WRITE)
1005 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1027 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1006 1028
1007 const_eio (FALLOC_FL_KEEP_SIZE) 1029 const_eio (FALLOC_FL_KEEP_SIZE)
1030 const_eio (FALLOC_FL_PUNCH_HOLE)
1008 1031
1009 const_eio (READDIR_DENTS) 1032 const_eio (READDIR_DENTS)
1010 const_eio (READDIR_DIRS_FIRST) 1033 const_eio (READDIR_DIRS_FIRST)
1011 const_eio (READDIR_STAT_ORDER) 1034 const_eio (READDIR_STAT_ORDER)
1012 const_eio (READDIR_FOUND_UNKNOWN) 1035 const_eio (READDIR_FOUND_UNKNOWN)
1113 aio_fsync = EIO_FSYNC 1136 aio_fsync = EIO_FSYNC
1114 aio_fdatasync = EIO_FDATASYNC 1137 aio_fdatasync = EIO_FDATASYNC
1115 aio_syncfs = EIO_SYNCFS 1138 aio_syncfs = EIO_SYNCFS
1116 PPCODE: 1139 PPCODE:
1117{ 1140{
1118 int fd = s_fileno_croak (fh, 0); 1141 int fd = s_fileno_croak (fh, 0);
1119 dREQ; 1142 dREQ;
1120 1143
1121 req->type = ix; 1144 req->type = ix;
1122 req->sv1 = newSVsv (fh); 1145 req->sv1 = newSVsv (fh);
1123 req->int1 = fd; 1146 req->int1 = fd;
1124 1147
1125 REQ_SEND (req); 1148 REQ_SEND;
1126} 1149}
1127 1150
1128void 1151void
1129aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1152aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1130 PPCODE: 1153 PPCODE:
1131{ 1154{
1132 int fd = s_fileno_croak (fh, 0); 1155 int fd = s_fileno_croak (fh, 0);
1133 dREQ; 1156 dREQ;
1134 1157
1135 req->type = EIO_SYNC_FILE_RANGE; 1158 req->type = EIO_SYNC_FILE_RANGE;
1136 req->sv1 = newSVsv (fh); 1159 req->sv1 = newSVsv (fh);
1137 req->int1 = fd; 1160 req->int1 = fd;
1138 req->offs = offset; 1161 req->offs = offset;
1139 req->size = nbytes; 1162 req->size = nbytes;
1140 req->int2 = flags; 1163 req->int2 = flags;
1141 1164
1142 REQ_SEND (req); 1165 REQ_SEND;
1143} 1166}
1144 1167
1145void 1168void
1146aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1169aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1147 PPCODE: 1170 PPCODE:
1148{ 1171{
1149 int fd = s_fileno_croak (fh, 0); 1172 int fd = s_fileno_croak (fh, 0);
1150 dREQ; 1173 dREQ;
1151 1174
1152 req->type = EIO_FALLOCATE; 1175 req->type = EIO_FALLOCATE;
1153 req->sv1 = newSVsv (fh); 1176 req->sv1 = newSVsv (fh);
1154 req->int1 = fd; 1177 req->int1 = fd;
1155 req->int2 = mode; 1178 req->int2 = mode;
1156 req->offs = offset; 1179 req->offs = offset;
1157 req->size = len; 1180 req->size = len;
1158 1181
1159 REQ_SEND (req); 1182 REQ_SEND;
1160} 1183}
1161 1184
1162void 1185void
1163aio_close (SV *fh, SV *callback=&PL_sv_undef) 1186aio_close (SV *fh, SV *callback=&PL_sv_undef)
1164 PPCODE: 1187 PPCODE:
1165{ 1188{
1166 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1189 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1167 int fd = s_fileno_croak (fh, 0); 1190 int fd = s_fileno_croak (fh, 0);
1168 dREQ; 1191 dREQ;
1169 1192
1170 if (expect_false (close_fd < 0)) 1193 if (expect_false (close_fd < 0))
1171 { 1194 {
1172 int pipefd [2]; 1195 int pipefd [2];
1188 req->type = EIO_DUP2; 1211 req->type = EIO_DUP2;
1189 req->int1 = close_fd; 1212 req->int1 = close_fd;
1190 req->sv2 = newSVsv (fh); 1213 req->sv2 = newSVsv (fh);
1191 req->int2 = fd; 1214 req->int2 = fd;
1192 1215
1193 REQ_SEND (req); 1216 REQ_SEND;
1217}
1218
1219void
1220aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1221 PPCODE:
1222{
1223 int fd = s_fileno_croak (fh, 0);
1224 dREQ;
1225
1226 req->type = EIO_SEEK;
1227 req->sv1 = newSVsv (fh);
1228 req->int1 = fd;
1229 req->offs = SvVAL64 (offset);
1230 req->int2 = whence;
1231
1232 REQ_SEND;
1194} 1233}
1195 1234
1196void 1235void
1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1236aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1198 ALIAS: 1237 ALIAS:
1219 } 1258 }
1220 else 1259 else
1221 { 1260 {
1222 /* read: check type and grow scalar as necessary */ 1261 /* read: check type and grow scalar as necessary */
1223 SvUPGRADE (data, SVt_PV); 1262 SvUPGRADE (data, SVt_PV);
1263 if (SvLEN (data) >= SvCUR (data))
1224 svptr = SvGROW (data, len + dataoffset + 1); 1264 svptr = SvGROW (data, len + dataoffset + 1);
1265 else if (SvCUR (data) < len + dataoffset)
1266 croak ("length + dataoffset outside of scalar, and cannot grow");
1225 } 1267 }
1226 1268
1227 { 1269 {
1228 dREQ; 1270 dREQ;
1229 1271
1263 1305
1264void 1306void
1265aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1307aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1266 PPCODE: 1308 PPCODE:
1267{ 1309{
1268 int ifd = s_fileno_croak (in_fh , 0); 1310 int ifd = s_fileno_croak (in_fh , 0);
1269 int ofd = s_fileno_croak (out_fh, 1); 1311 int ofd = s_fileno_croak (out_fh, 1);
1270 dREQ; 1312 dREQ;
1271 1313
1272 req->type = EIO_SENDFILE; 1314 req->type = EIO_SENDFILE;
1273 req->sv1 = newSVsv (out_fh); 1315 req->sv1 = newSVsv (out_fh);
1274 req->int1 = ofd; 1316 req->int1 = ofd;
1282 1324
1283void 1325void
1284aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1326aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1285 PPCODE: 1327 PPCODE:
1286{ 1328{
1287 int fd = s_fileno_croak (fh, 0); 1329 int fd = s_fileno_croak (fh, 0);
1288 dREQ; 1330 dREQ;
1289 1331
1290 req->type = EIO_READAHEAD; 1332 req->type = EIO_READAHEAD;
1291 req->sv1 = newSVsv (fh); 1333 req->sv1 = newSVsv (fh);
1292 req->int1 = fd; 1334 req->int1 = fd;
1429 aio_link = EIO_LINK 1471 aio_link = EIO_LINK
1430 aio_symlink = EIO_SYMLINK 1472 aio_symlink = EIO_SYMLINK
1431 aio_rename = EIO_RENAME 1473 aio_rename = EIO_RENAME
1432 PPCODE: 1474 PPCODE:
1433{ 1475{
1476 eio_wd wd2 = 0;
1434 dREQ; 1477 dREQ;
1435 eio_wd wd2 = 0;
1436 1478
1437 req->type = ix; 1479 req->type = ix;
1438 req_set_path1 (req, oldpath); 1480 req_set_path1 (req, oldpath);
1439 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1481 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440 req->int3 = (long)wd2; 1482 req->int3 = (long)wd2;
1526 1568
1527 req->type = EIO_MLOCKALL; 1569 req->type = EIO_MLOCKALL;
1528 req->int1 = flags; 1570 req->int1 = flags;
1529 1571
1530 REQ_SEND; 1572 REQ_SEND;
1573}
1574
1575void
1576aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1577 PPCODE:
1578{
1579 int fd = s_fileno_croak (fh, 0);
1580 dREQ;
1581
1582 req->type = EIO_CUSTOM;
1583 req->sv1 = newSVsv (fh);
1584 req->int1 = fd;
1585
1586 req->feed = fiemap;
1587#if HAVE_FIEMAP
1588 /* keep our fingers crossed that the next two types are 64 bit */
1589 req->offs = start;
1590 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1591 req->int2 = flags;
1592 req->int3 = SvOK (count) ? SvIV (count) : -1;
1593#endif
1594
1595 REQ_SEND;
1531} 1596}
1532 1597
1533void 1598void
1534aio_busy (double delay, SV *callback=&PL_sv_undef) 1599aio_busy (double delay, SV *callback=&PL_sv_undef)
1535 PPCODE: 1600 PPCODE:
1667 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1732 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1668 OUTPUT: 1733 OUTPUT:
1669 RETVAL 1734 RETVAL
1670 1735
1671void 1736void
1672mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1737mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1673 PPCODE: 1738 PPCODE:
1674 sv_unmagic (scalar, MMAP_MAGIC); 1739 sv_unmagic (scalar, MMAP_MAGIC);
1675{ 1740{
1676 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1741 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1677 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1742 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1710 ALIAS: 1775 ALIAS:
1711 mprotect = 1 1776 mprotect = 1
1712 CODE: 1777 CODE:
1713{ 1778{
1714 STRLEN svlen; 1779 STRLEN svlen;
1715 void *addr = SvPVbyte (scalar, svlen); 1780 void *addr = SvPVbyte (scalar, svlen);
1716 size_t len = SvUV (length); 1781 size_t len = SvUV (length);
1717 1782
1718 if (offset < 0) 1783 if (offset < 0)
1719 offset += svlen; 1784 offset += svlen;
1720 1785
1739int 1804int
1740munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1805munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1741 CODE: 1806 CODE:
1742{ 1807{
1743 STRLEN svlen; 1808 STRLEN svlen;
1744 void *addr = SvPVbyte (scalar, svlen); 1809 void *addr = SvPVbyte (scalar, svlen);
1745 size_t len = SvUV (length); 1810 size_t len = SvUV (length);
1746 1811
1747 if (offset < 0) 1812 if (offset < 0)
1748 offset += svlen; 1813 offset += svlen;
1749 1814
1756 addr = (void *)(((intptr_t)addr) + offset); 1821 addr = (void *)(((intptr_t)addr) + offset);
1757 eio_page_align (&addr, &len); 1822 eio_page_align (&addr, &len);
1758#if _POSIX_MEMLOCK_RANGE 1823#if _POSIX_MEMLOCK_RANGE
1759 RETVAL = munlock (addr, len); 1824 RETVAL = munlock (addr, len);
1760#else 1825#else
1761 RETVAL = ((errno = ENOSYS), -1); 1826 RETVAL = EIO_ENOSYS ();
1762#endif 1827#endif
1763} 1828}
1764 OUTPUT: 1829 OUTPUT:
1765 RETVAL 1830 RETVAL
1766 1831
1768munlockall () 1833munlockall ()
1769 CODE: 1834 CODE:
1770#if _POSIX_MEMLOCK 1835#if _POSIX_MEMLOCK
1771 munlockall (); 1836 munlockall ();
1772#else 1837#else
1773 RETVAL = -1; 1838 RETVAL = EIO_ENOSYS ();
1774 errno = ENOSYS;
1775#endif 1839#endif
1776 OUTPUT: 1840 OUTPUT:
1841 RETVAL
1842
1843int
1844splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1845 CODE:
1846{
1847#if HAVE_LINUX_SPLICE
1848 loff_t off_in_, off_out_;
1849 RETVAL = splice (
1850 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1851 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1852 length, flags
1853 );
1854#else
1855 RETVAL = EIO_ENOSYS ();
1856#endif
1857}
1858 OUTPUT:
1859 RETVAL
1860
1861int
1862tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1863 CODE:
1864#if HAVE_LINUX_SPLICE
1865 RETVAL = tee (rfh, wfh, length, flags);
1866#else
1867 RETVAL = EIO_ENOSYS ();
1868#endif
1869 OUTPUT:
1777 RETVAL 1870 RETVAL
1778 1871
1779void _on_next_submit (SV *cb) 1872void _on_next_submit (SV *cb)
1780 CODE: 1873 CODE:
1781 SvREFCNT_dec (on_next_submit); 1874 SvREFCNT_dec (on_next_submit);

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