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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 1.230 by root, Tue Jun 3 01:30:33 2014 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/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
22#endif 35#endif
23 36
24/* perl namespace pollution */ 37/* perl namespace pollution */
25#undef VERSION 38#undef VERSION
26 39
62 #undef dup 75 #undef dup
63 #undef dup2 76 #undef dup2
64 #undef abort 77 #undef abort
65 #undef pipe 78 #undef pipe
66 79
80 #define EIO_STRUCT_STAT struct _stati64
81 #define EIO_STRUCT_STATI64
82
67#else 83#else
68 84
69 #include <sys/time.h> 85 #include <sys/time.h>
70 #include <sys/select.h> 86 #include <sys/select.h>
71 #include <unistd.h> 87 #include <unistd.h>
72 #include <utime.h> 88 #include <utime.h>
73 #include <signal.h> 89 #include <signal.h>
74 90
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STAT Stat_t
78 92
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 93#endif
89 94
90/*****************************************************************************/ 95/*****************************************************************************/
91 96
92#if __GNUC__ >= 3 97#if __GNUC__ >= 3
123static void req_destroy (eio_req *grp); 128static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 129#define EIO_DESTROY(req) req_destroy (req)
125 130
126#include "libeio/eio.c" 131#include "libeio/eio.c"
127 132
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 133#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 135#endif
196 136
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 137#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 138# 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 139#endif
291 140
292#ifndef MAP_ANONYMOUS 141#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 142# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 143# define MAP_ANONYMOUS MAP_ANON
295# else 144# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 146# endif
298#endif 147#endif
299#ifndef MAP_HUGETLB 148
300# define MAP_HUGETLB 0 149/* defines all sorts of constants to 0 unless they are already defined */
301#endif 150#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
314 151
315#ifndef makedev 152#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 153# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 154#endif
318#ifndef major 155#ifndef major
320#endif 157#endif
321#ifndef minor 158#ifndef minor
322# define minor(dev) ((dev) & 0xff) 159# define minor(dev) ((dev) & 0xff)
323#endif 160#endif
324 161
325#ifndef PAGESIZE 162#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 163# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 164#endif
165
166/*****************************************************************************/
167
168static void
169fiemap (eio_req *req)
170{
171 req->result = -1;
172
173#if HAVE_FIEMAP
174 /* assume some c99 */
175 struct fiemap *fiemap = 0;
176 size_t end_offset;
177 int count = req->int3;
178
179 req->flags |= EIO_FLAG_PTR1_FREE;
180
181 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
182 /* increase in 3.5kb steps */
183 if (count < 0)
184 count = 8;
185
186 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
187 errno = ENOMEM;
188 if (!fiemap)
189 return;
190
191 req->ptr1 = fiemap;
192
193 fiemap->fm_start = req->offs;
194 fiemap->fm_length = req->size;
195 fiemap->fm_flags = req->int2;
196 fiemap->fm_extent_count = count;
197
198 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
199 return;
200
201 if (req->int3 >= 0 /* not autosizing */
202 || !fiemap->fm_mapped_extents /* no more extents */
203 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
204 goto done;
205
206 /* else we have to loop -
207 * it would be tempting (actually I tried that first) to just query the
208 * number of extents needed, but linux often feels like not returning all
209 * extents, without telling us it left any out. this complicates
210 * this quite a bit.
211 */
212
213 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
214
215 for (;;)
216 {
217 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
218 char scratch[3072];
219 struct fiemap *incmap = (struct fiemap *)scratch;
220
221 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
222 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
223 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
224 incmap->fm_flags = fiemap->fm_flags;
225 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
226
227 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
228 return;
229
230 if (!incmap->fm_mapped_extents)
231 goto done;
232
233 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
234 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
235 errno = ENOMEM;
236 if (!fiemap)
237 return;
238
239 req->ptr1 = fiemap;
240
241 for (count = 0; count < incmap->fm_mapped_extents; ++count)
242 {
243 struct fiemap_extent *e = incmap->fm_extents + count;
244
245 if (e->fe_logical + e->fe_length >= end_offset)
246 goto done;
247
248 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
249
250 if (e->fe_flags & FIEMAP_EXTENT_LAST)
251 goto done;
252
253 }
254 }
255
256done:
257 req->result = 0;
258
259#else
260 errno = ENOSYS;
261#endif
262}
263
264/*****************************************************************************/
328 265
329enum { 266enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 267 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 268};
332 269
380SvAIO_REQ (SV *sv) 317SvAIO_REQ (SV *sv)
381{ 318{
382 MAGIC *mg; 319 MAGIC *mg;
383 320
384 if (!SvROK (sv) 321 if (!SvROK (sv)
322 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 323 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 324 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 325 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 326 croak ("object of class IO::AIO::REQ expected");
389 327
394 332
395static aio_wd 333static aio_wd
396SvAIO_WD (SV *sv) 334SvAIO_WD (SV *sv)
397{ 335{
398 if (!SvROK (sv) 336 if (!SvROK (sv)
337 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 338 || 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"); 339 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 340
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 341 return (aio_wd)(long)SvIVX (SvRV (sv));
404} 342}
405 343
576#ifndef _WIN32 514#ifndef _WIN32
577 if (req->result >= 0) 515 if (req->result >= 0)
578 { 516 {
579 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 517 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580 HV *hv = newHV (); 518 HV *hv = newHV ();
519 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
520 * chooses to make it a struct.
521 */
522 unsigned long fsid = 0;
523 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581 524
582 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 525 rv = sv_2mortal (newRV_noinc ((SV *)hv));
583 526
584 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 527 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); 528 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); 530 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); 531 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); 532 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); 533 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); 534 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); 535 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 536 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); 537 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595 } 538 }
596#endif 539#endif
597 540
632 if (!(PL_laststatval = req->result)) 575 if (!(PL_laststatval = req->result))
633 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 576 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 577 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 578
636 PUSHs (sv_result); 579 PUSHs (sv_result);
580 break;
581
582 case EIO_SEEK:
583 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637 break; 584 break;
638 585
639 case EIO_READ: 586 case EIO_READ:
640 { 587 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 588 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
644 SvSETMAGIC (req->sv2); 591 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 592 PUSHs (sv_result);
646 } 593 }
647 break; 594 break;
648 595
596 case EIO_CUSTOM:
597 if (req->feed == fiemap)
598 {
599#if HAVE_FIEMAP
600 if (!req->result)
601 {
602 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
603
604 if (fiemap->fm_extent_count)
605 {
606 AV *av = newAV ();
607 int i;
608
609 while (fiemap->fm_mapped_extents)
610 {
611 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
612 AV *ext_av = newAV ();
613
614 av_store (ext_av, 3, newSVuv (extent->fe_flags));
615 av_store (ext_av, 2, newSVval64 (extent->fe_length));
616 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
617 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
618
619 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
620 }
621
622 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
623 }
624 else
625 {
626 SvIV_set (sv_result, fiemap->fm_mapped_extents);
627 PUSHs (sv_result);
628 }
629 }
630#endif
631 }
632 else
633 PUSHs (sv_result);
634 break;
635
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 636 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 637 if (req->result > 0)
651 SvIV_set (sv_result, 0); 638 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 639 /* FALLTHROUGH */
653 640
689 SvREFCNT_dec (req->sv2); 676 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 677 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 678 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 679 SvREFCNT_dec (req->callback);
693 680
694 Safefree (req); 681 free (req);
695} 682}
696 683
697static void 684static void
698req_cancel_subs (aio_req grp) 685req_cancel_subs (aio_req grp)
699{ 686{
760} 747}
761 748
762/*****************************************************************************/ 749/*****************************************************************************/
763 750
764#if !_POSIX_MAPPED_FILES 751#if !_POSIX_MAPPED_FILES
765# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 752# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
766# define munmap(addr,length) (errno = ENOSYS, -1) 753# define munmap(addr,length) EIO_ENOSYS ()
767#endif 754#endif
768 755
769#if !_POSIX_MEMORY_PROTECTION 756#if !_POSIX_MEMORY_PROTECTION
770# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 757# define mprotect(addr,len,prot) EIO_ENOSYS ()
771# define PROT_NONE 0 758# define PROT_NONE 0
772# define PROT_WRITE 0 759# define PROT_WRITE 0
773# define MAP_PRIVATE 0 760# define MAP_PRIVATE 0
774# define MAP_SHARED 0 761# define MAP_SHARED 0
775# define MAP_FIXED 0 762# define MAP_FIXED 0
819 int req_pri = next_pri; 806 int req_pri = next_pri;
820 next_pri = EIO_PRI_DEFAULT; 807 next_pri = EIO_PRI_DEFAULT;
821 808
822 cb_cv = get_cb (callback); 809 cb_cv = get_cb (callback);
823 810
824 Newz (0, req, 1, eio_req); 811 req = calloc (sizeof (*req), 1);
825 if (!req) 812 if (!req)
826 croak ("out of memory during eio_req allocation"); 813 croak ("out of memory during eio_req allocation");
827 814
828 req->callback = SvREFCNT_inc (cb_cv); 815 req->callback = SvREFCNT_inc (cb_cv);
829 req->pri = req_pri; 816 req->pri = req_pri;
845ecb_inline void 832ecb_inline void
846req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 833req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
847{ 834{
848 if (expect_false (SvROK (path))) 835 if (expect_false (SvROK (path)))
849 { 836 {
850 AV *av = (AV *)SvRV (path); 837 SV *rv = SvRV (path);
851 SV *wdob; 838 SV *wdob;
852 839
853 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 840 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 { 841 {
842 path = AvARRAY (rv)[1];
843 wdob = AvARRAY (rv)[0];
844
845 if (SvOK (wdob))
846 {
861 *wd = SvAIO_WD (wdob); 847 *wd = SvAIO_WD (wdob);
862 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 848 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
849 }
850 else
851 *wd = EIO_INVALID_WD;
852 }
853 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
854 {
855 *wd = (aio_wd)(long)SvIVX (rv);
856 *wdsv = SvREFCNT_inc_NN (rv);
857 *ptr = ".";
858 return; /* path set to "." */
863 } 859 }
864 else 860 else
865 *wd = EIO_INVALID_WD; 861 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
866 } 862 }
867 863
868 *pathsv = newSVsv (path); 864 *pathsv = newSVsv (path);
869 *ptr = SvPVbyte_nolen (*pathsv); 865 *ptr = SvPVbyte_nolen (*pathsv);
870} 866}
910 IV iv; 906 IV iv;
911 } *civ, const_iv[] = { 907 } *civ, const_iv[] = {
912# define const_niv(name, value) { # name, (IV) value }, 908# define const_niv(name, value) { # name, (IV) value },
913# define const_iv(name) { # name, (IV) name }, 909# define const_iv(name) { # name, (IV) name },
914# define const_eio(name) { # name, (IV) EIO_ ## name }, 910# define const_eio(name) { # name, (IV) EIO_ ## name },
911
912 /* you have to re-run ./gendef0 after adding/Removing any constants here */
913
914 const_iv (ENOSYS)
915 const_iv (EXDEV) 915 const_iv (EXDEV)
916 const_iv (ENOSYS) 916 const_iv (EBADR)
917
917 const_iv (O_RDONLY) 918 const_iv (O_RDONLY)
918 const_iv (O_WRONLY) 919 const_iv (O_WRONLY)
919 const_iv (O_RDWR) 920 const_iv (O_RDWR)
920 const_iv (O_CREAT) 921 const_iv (O_CREAT)
921 const_iv (O_TRUNC) 922 const_iv (O_TRUNC)
989 const_iv (MAP_LOCKED) 990 const_iv (MAP_LOCKED)
990 const_iv (MAP_NORESERVE) 991 const_iv (MAP_NORESERVE)
991 const_iv (MAP_POPULATE) 992 const_iv (MAP_POPULATE)
992 const_iv (MAP_NONBLOCK) 993 const_iv (MAP_NONBLOCK)
993 994
995 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST)
999 const_iv (FIEMAP_EXTENT_UNKNOWN)
1000 const_iv (FIEMAP_EXTENT_DELALLOC)
1001 const_iv (FIEMAP_EXTENT_ENCODED)
1002 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1003 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1004 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1005 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1006 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1007 const_iv (FIEMAP_EXTENT_MERGED)
1008 const_iv (FIEMAP_EXTENT_SHARED)
1009
1010 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT)
1014
1015 const_iv (SEEK_DATA)
1016 const_iv (SEEK_HOLE)
1017
1018 /* libeio constants */
1019 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END)
1022
994 const_eio (MCL_FUTURE) 1023 const_eio (MCL_FUTURE)
995 const_eio (MCL_CURRENT) 1024 const_eio (MCL_CURRENT)
996 1025
997 const_eio (MS_ASYNC) 1026 const_eio (MS_ASYNC)
998 const_eio (MS_INVALIDATE) 1027 const_eio (MS_INVALIDATE)
1003 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1032 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1004 const_eio (SYNC_FILE_RANGE_WRITE) 1033 const_eio (SYNC_FILE_RANGE_WRITE)
1005 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1034 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1006 1035
1007 const_eio (FALLOC_FL_KEEP_SIZE) 1036 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE)
1008 1038
1009 const_eio (READDIR_DENTS) 1039 const_eio (READDIR_DENTS)
1010 const_eio (READDIR_DIRS_FIRST) 1040 const_eio (READDIR_DIRS_FIRST)
1011 const_eio (READDIR_STAT_ORDER) 1041 const_eio (READDIR_STAT_ORDER)
1012 const_eio (READDIR_FOUND_UNKNOWN) 1042 const_eio (READDIR_FOUND_UNKNOWN)
1113 aio_fsync = EIO_FSYNC 1143 aio_fsync = EIO_FSYNC
1114 aio_fdatasync = EIO_FDATASYNC 1144 aio_fdatasync = EIO_FDATASYNC
1115 aio_syncfs = EIO_SYNCFS 1145 aio_syncfs = EIO_SYNCFS
1116 PPCODE: 1146 PPCODE:
1117{ 1147{
1118 int fd = s_fileno_croak (fh, 0); 1148 int fd = s_fileno_croak (fh, 0);
1119 dREQ; 1149 dREQ;
1120 1150
1121 req->type = ix; 1151 req->type = ix;
1122 req->sv1 = newSVsv (fh); 1152 req->sv1 = newSVsv (fh);
1123 req->int1 = fd; 1153 req->int1 = fd;
1124 1154
1125 REQ_SEND (req); 1155 REQ_SEND;
1126} 1156}
1127 1157
1128void 1158void
1129aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1159aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1130 PPCODE: 1160 PPCODE:
1131{ 1161{
1132 int fd = s_fileno_croak (fh, 0); 1162 int fd = s_fileno_croak (fh, 0);
1133 dREQ; 1163 dREQ;
1134 1164
1135 req->type = EIO_SYNC_FILE_RANGE; 1165 req->type = EIO_SYNC_FILE_RANGE;
1136 req->sv1 = newSVsv (fh); 1166 req->sv1 = newSVsv (fh);
1137 req->int1 = fd; 1167 req->int1 = fd;
1138 req->offs = offset; 1168 req->offs = offset;
1139 req->size = nbytes; 1169 req->size = nbytes;
1140 req->int2 = flags; 1170 req->int2 = flags;
1141 1171
1142 REQ_SEND (req); 1172 REQ_SEND;
1143} 1173}
1144 1174
1145void 1175void
1146aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1176aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1147 PPCODE: 1177 PPCODE:
1148{ 1178{
1149 int fd = s_fileno_croak (fh, 0); 1179 int fd = s_fileno_croak (fh, 0);
1150 dREQ; 1180 dREQ;
1151 1181
1152 req->type = EIO_FALLOCATE; 1182 req->type = EIO_FALLOCATE;
1153 req->sv1 = newSVsv (fh); 1183 req->sv1 = newSVsv (fh);
1154 req->int1 = fd; 1184 req->int1 = fd;
1155 req->int2 = mode; 1185 req->int2 = mode;
1156 req->offs = offset; 1186 req->offs = offset;
1157 req->size = len; 1187 req->size = len;
1158 1188
1159 REQ_SEND (req); 1189 REQ_SEND;
1160} 1190}
1161 1191
1162void 1192void
1163aio_close (SV *fh, SV *callback=&PL_sv_undef) 1193aio_close (SV *fh, SV *callback=&PL_sv_undef)
1164 PPCODE: 1194 PPCODE:
1165{ 1195{
1166 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1196 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1167 int fd = s_fileno_croak (fh, 0); 1197 int fd = s_fileno_croak (fh, 0);
1168 dREQ; 1198 dREQ;
1169 1199
1170 if (expect_false (close_fd < 0)) 1200 if (expect_false (close_fd < 0))
1171 { 1201 {
1172 int pipefd [2]; 1202 int pipefd [2];
1188 req->type = EIO_DUP2; 1218 req->type = EIO_DUP2;
1189 req->int1 = close_fd; 1219 req->int1 = close_fd;
1190 req->sv2 = newSVsv (fh); 1220 req->sv2 = newSVsv (fh);
1191 req->int2 = fd; 1221 req->int2 = fd;
1192 1222
1193 REQ_SEND (req); 1223 REQ_SEND;
1224}
1225
1226void
1227aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1228 PPCODE:
1229{
1230 int fd = s_fileno_croak (fh, 0);
1231 dREQ;
1232
1233 req->type = EIO_SEEK;
1234 req->sv1 = newSVsv (fh);
1235 req->int1 = fd;
1236 req->offs = SvVAL64 (offset);
1237 req->int2 = whence;
1238
1239 REQ_SEND;
1194} 1240}
1195 1241
1196void 1242void
1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1243aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1198 ALIAS: 1244 ALIAS:
1218 len = svlen - dataoffset; 1264 len = svlen - dataoffset;
1219 } 1265 }
1220 else 1266 else
1221 { 1267 {
1222 /* read: check type and grow scalar as necessary */ 1268 /* read: check type and grow scalar as necessary */
1223 SvUPGRADE (data, SVt_PV); 1269 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1224 svptr = SvGROW (data, len + dataoffset + 1); 1270 svptr = sv_grow (data, len + dataoffset + 1);
1271 else if (SvCUR (data) < len + dataoffset)
1272 croak ("length + dataoffset outside of scalar, and cannot grow");
1225 } 1273 }
1226 1274
1227 { 1275 {
1228 dREQ; 1276 dREQ;
1229 1277
1263 1311
1264void 1312void
1265aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1313aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1266 PPCODE: 1314 PPCODE:
1267{ 1315{
1268 int ifd = s_fileno_croak (in_fh , 0); 1316 int ifd = s_fileno_croak (in_fh , 0);
1269 int ofd = s_fileno_croak (out_fh, 1); 1317 int ofd = s_fileno_croak (out_fh, 1);
1270 dREQ; 1318 dREQ;
1271 1319
1272 req->type = EIO_SENDFILE; 1320 req->type = EIO_SENDFILE;
1273 req->sv1 = newSVsv (out_fh); 1321 req->sv1 = newSVsv (out_fh);
1274 req->int1 = ofd; 1322 req->int1 = ofd;
1282 1330
1283void 1331void
1284aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1332aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1285 PPCODE: 1333 PPCODE:
1286{ 1334{
1287 int fd = s_fileno_croak (fh, 0); 1335 int fd = s_fileno_croak (fh, 0);
1288 dREQ; 1336 dREQ;
1289 1337
1290 req->type = EIO_READAHEAD; 1338 req->type = EIO_READAHEAD;
1291 req->sv1 = newSVsv (fh); 1339 req->sv1 = newSVsv (fh);
1292 req->int1 = fd; 1340 req->int1 = fd;
1429 aio_link = EIO_LINK 1477 aio_link = EIO_LINK
1430 aio_symlink = EIO_SYMLINK 1478 aio_symlink = EIO_SYMLINK
1431 aio_rename = EIO_RENAME 1479 aio_rename = EIO_RENAME
1432 PPCODE: 1480 PPCODE:
1433{ 1481{
1482 eio_wd wd2 = 0;
1434 dREQ; 1483 dREQ;
1435 eio_wd wd2 = 0;
1436 1484
1437 req->type = ix; 1485 req->type = ix;
1438 req_set_path1 (req, oldpath); 1486 req_set_path1 (req, oldpath);
1439 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1487 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440 req->int3 = (long)wd2; 1488 req->int3 = (long)wd2;
1529 1577
1530 REQ_SEND; 1578 REQ_SEND;
1531} 1579}
1532 1580
1533void 1581void
1582aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1583 PPCODE:
1584{
1585 int fd = s_fileno_croak (fh, 0);
1586 dREQ;
1587
1588 req->type = EIO_CUSTOM;
1589 req->sv1 = newSVsv (fh);
1590 req->int1 = fd;
1591
1592 req->feed = fiemap;
1593#if HAVE_FIEMAP
1594 /* keep our fingers crossed that the next two types are 64 bit */
1595 req->offs = start;
1596 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1597 req->int2 = flags;
1598 req->int3 = SvOK (count) ? SvIV (count) : -1;
1599#endif
1600
1601 REQ_SEND;
1602}
1603
1604void
1534aio_busy (double delay, SV *callback=&PL_sv_undef) 1605aio_busy (double delay, SV *callback=&PL_sv_undef)
1535 PPCODE: 1606 PPCODE:
1536{ 1607{
1537 dREQ; 1608 dREQ;
1538 1609
1548{ 1619{
1549 dREQ; 1620 dREQ;
1550 1621
1551 req->type = EIO_GROUP; 1622 req->type = EIO_GROUP;
1552 1623
1624 PUTBACK;
1553 req_submit (req); 1625 req_submit (req);
1626 SPAGAIN;
1627
1554 XPUSHs (req_sv (req, aio_grp_stash)); 1628 XPUSHs (req_sv (req, aio_grp_stash));
1555} 1629}
1556 1630
1557void 1631void
1558aio_nop (SV *callback=&PL_sv_undef) 1632aio_nop (SV *callback=&PL_sv_undef)
1667 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1741 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1668 OUTPUT: 1742 OUTPUT:
1669 RETVAL 1743 RETVAL
1670 1744
1671void 1745void
1672mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1746mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1673 PPCODE: 1747 PPCODE:
1674 sv_unmagic (scalar, MMAP_MAGIC); 1748 sv_unmagic (scalar, MMAP_MAGIC);
1675{ 1749{
1676 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1750 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1677 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1751 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1710 ALIAS: 1784 ALIAS:
1711 mprotect = 1 1785 mprotect = 1
1712 CODE: 1786 CODE:
1713{ 1787{
1714 STRLEN svlen; 1788 STRLEN svlen;
1715 void *addr = SvPVbyte (scalar, svlen); 1789 void *addr = SvPVbyte (scalar, svlen);
1716 size_t len = SvUV (length); 1790 size_t len = SvUV (length);
1717 1791
1718 if (offset < 0) 1792 if (offset < 0)
1719 offset += svlen; 1793 offset += svlen;
1720 1794
1739int 1813int
1740munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1814munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1741 CODE: 1815 CODE:
1742{ 1816{
1743 STRLEN svlen; 1817 STRLEN svlen;
1744 void *addr = SvPVbyte (scalar, svlen); 1818 void *addr = SvPVbyte (scalar, svlen);
1745 size_t len = SvUV (length); 1819 size_t len = SvUV (length);
1746 1820
1747 if (offset < 0) 1821 if (offset < 0)
1748 offset += svlen; 1822 offset += svlen;
1749 1823
1756 addr = (void *)(((intptr_t)addr) + offset); 1830 addr = (void *)(((intptr_t)addr) + offset);
1757 eio_page_align (&addr, &len); 1831 eio_page_align (&addr, &len);
1758#if _POSIX_MEMLOCK_RANGE 1832#if _POSIX_MEMLOCK_RANGE
1759 RETVAL = munlock (addr, len); 1833 RETVAL = munlock (addr, len);
1760#else 1834#else
1761 RETVAL = ((errno = ENOSYS), -1); 1835 RETVAL = EIO_ENOSYS ();
1762#endif 1836#endif
1763} 1837}
1764 OUTPUT: 1838 OUTPUT:
1765 RETVAL 1839 RETVAL
1766 1840
1768munlockall () 1842munlockall ()
1769 CODE: 1843 CODE:
1770#if _POSIX_MEMLOCK 1844#if _POSIX_MEMLOCK
1771 munlockall (); 1845 munlockall ();
1772#else 1846#else
1847 RETVAL = EIO_ENOSYS ();
1848#endif
1849 OUTPUT:
1850 RETVAL
1851
1852int
1853splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1854 CODE:
1855{
1856#if HAVE_LINUX_SPLICE
1857 loff_t off_in_, off_out_;
1858 RETVAL = splice (
1859 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1860 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1861 length, flags
1862 );
1863#else
1864 RETVAL = EIO_ENOSYS ();
1865#endif
1866}
1867 OUTPUT:
1868 RETVAL
1869
1870int
1871tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1872 CODE:
1873#if HAVE_LINUX_SPLICE
1874 RETVAL = tee (rfh, wfh, length, flags);
1875#else
1876 RETVAL = EIO_ENOSYS ();
1877#endif
1878 OUTPUT:
1879 RETVAL
1880
1881int
1882pipesize (aio_rfd rfh, int new_size = -1)
1883 PROTOTYPE: $;$
1884 CODE:
1885#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1886 if (new_size >= 0)
1887 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1888 else
1889 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1890#else
1891 errno = ENOSYS;
1773 RETVAL = -1; 1892 RETVAL = -1;
1774 errno = ENOSYS;
1775#endif 1893#endif
1776 OUTPUT: 1894 OUTPUT:
1777 RETVAL 1895 RETVAL
1778 1896
1779void _on_next_submit (SV *cb) 1897void _on_next_submit (SV *cb)

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