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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC vs.
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC

11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif 22#endif
24 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
31#endif
32
25/* perl namespace pollution */ 33/* perl namespace pollution */
26#undef VERSION 34#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 35
77/* perl stupidly overrides readdir and maybe others */ 36/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 37/* with thread-unsafe versions, imagine that :( */
79#undef readdir 38#undef readdir
80#undef opendir 39#undef opendir
81#undef closedir 40#undef closedir
82 41
42#ifdef _WIN32
43
44 // perl overrides all those nice libc functions
45
46 #undef malloc
47 #undef free
48 #undef open
49 #undef read
50 #undef write
51 #undef send
52 #undef recv
53 #undef stat
54 #undef lstat
55 #undef fstat
56 #undef truncate
57 #undef ftruncate
58 #undef open
59 #undef link
60 #undef close
61 #undef unlink
62 #undef mkdir
63 #undef rmdir
64 #undef rename
65 #undef lseek
66 #undef opendir
67 #undef readdir
68 #undef closedir
69 #undef chmod
70 #undef fchmod
71 #undef dup
72 #undef dup2
73 #undef abort
74 #undef pipe
75
76 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 77 #define EIO_STRUCT_STATI64
84 78
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 79#else
91# define VAL64 NV 80
92# define SvVAL64 SvNV 81 #include <sys/time.h>
93# define newSVval64 newSVnv 82 #include <sys/select.h>
83 #include <unistd.h>
84 #include <utime.h>
85 #include <signal.h>
86
87 #define EIO_STRUCT_STAT Stat_t
88
94#endif 89#endif
95 90
96/*****************************************************************************/ 91/*****************************************************************************/
97 92
98#if __GNUC__ >= 3 93#if __GNUC__ >= 3
108 103
109typedef SV SV8; /* byte-sv, used for argument-checking */ 104typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 105typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 106typedef int aio_wfd; /* write file descriptor */
112 107
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 109
115#define EIO_REQ_MEMBERS \ 110#define EIO_REQ_MEMBERS \
116 SV *callback; \ 111 SV *callback; \
117 SV *sv1, *sv2; \ 112 SV *sv1, *sv2; \
113 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 114 STRLEN stroffset; \
119 SV *self; 115 SV *self;
120 116
121#define EIO_NO_WRAPPERS 1 117#define EIO_NO_WRAPPERS 1
122 118
123#include "libeio/config.h" 119#include "libeio/config.h"
124#include "libeio/eio.h" 120#include "libeio/eio.h"
125 121
126#ifndef POSIX_FADV_NORMAL 122static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 123#define EIO_FINISH(req) req_invoke (req)
128#endif 124static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 125#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 126
131#endif 127#include "libeio/eio.c"
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 128
145#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
146# 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 */
147#endif 131#endif
148 132
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif 135#endif
212 136
213#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON 138# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
216# else 140# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif 142# endif
219#endif 143#endif
220#ifndef MAP_HUGETLB 144
221# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
146#include "def0.h"
147
148#ifndef makedev
149# define makedev(maj,min) (((maj) << 8) | (min))
222#endif 150#endif
223#ifndef MAP_LOCKED 151#ifndef major
224# define MAP_LOCKED 0 152# define major(dev) ((dev) >> 8)
225#endif 153#endif
226#ifndef MAP_NORESERVE 154#ifndef minor
227# define MAP_NORESERVE 0 155# define minor(dev) ((dev) & 0xff)
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif 156#endif
235 157
236#ifndef PAGESIZE 158#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
238#endif 160#endif
239 161
240static int req_invoke (eio_req *req); 162/*****************************************************************************/
241#define EIO_FINISH(req) req_invoke (req) 163
242static void req_destroy (eio_req *grp); 164static void
243#define EIO_DESTROY(req) req_destroy (req) 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))
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))
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/*****************************************************************************/
244 258
245enum { 259enum {
246 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 260 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247}; 261};
248 262
249#include "libeio/eio.c"
250
251typedef eio_req *aio_req; 263typedef eio_req *aio_req;
252typedef eio_req *aio_req_ornot; 264typedef eio_req *aio_req_ornot;
265typedef eio_wd aio_wd;
253 266
254static SV *on_next_submit; 267static SV *on_next_submit;
255static int next_pri = EIO_PRI_DEFAULT; 268static int next_pri = EIO_PRI_DEFAULT;
256static int max_outstanding; 269static int max_outstanding;
257 270
258static s_epipe respipe; 271static s_epipe respipe;
259 272
260static void req_destroy (aio_req req); 273static void req_destroy (aio_req req);
261static void req_cancel (aio_req req); 274static void req_cancel (aio_req req);
262 275
263static void want_poll (void) 276static void
277want_poll (void)
264{ 278{
265 /* write a dummy byte to the pipe so fh becomes ready */ 279 /* write a dummy byte to the pipe so fh becomes ready */
266 s_epipe_signal (&respipe); 280 s_epipe_signal (&respipe);
267} 281}
268 282
269static void done_poll (void) 283static void
284done_poll (void)
270{ 285{
271 /* read any signals sent by the worker threads */ 286 /* read any signals sent by the worker threads */
272 s_epipe_drain (&respipe); 287 s_epipe_drain (&respipe);
273} 288}
274 289
275/* must be called at most once */ 290/* must be called at most once */
291static SV *
276static SV *req_sv (aio_req req, HV *stash) 292req_sv (aio_req req, HV *stash)
277{ 293{
278 if (!req->self) 294 if (!req->self)
279 { 295 {
280 req->self = (SV *)newHV (); 296 req->self = (SV *)newHV ();
281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 297 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282 } 298 }
283 299
284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 300 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285} 301}
286 302
287static aio_req SvAIO_REQ (SV *sv) 303static SV *
304newSVaio_wd (aio_wd wd)
305{
306 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
307}
308
309static aio_req
310SvAIO_REQ (SV *sv)
288{ 311{
289 MAGIC *mg; 312 MAGIC *mg;
290 313
291 if (!SvROK (sv) 314 if (!SvROK (sv)
315 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash 316 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash 317 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ"))) 318 && !sv_derived_from (sv, "IO::AIO::REQ")))
295 croak ("object of class IO::AIO::REQ expected"); 319 croak ("object of class IO::AIO::REQ expected");
296 320
297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 321 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298 322
299 return mg ? (aio_req)mg->mg_ptr : 0; 323 return mg ? (aio_req)mg->mg_ptr : 0;
300} 324}
301 325
326static aio_wd
327SvAIO_WD (SV *sv)
328{
329 if (!SvROK (sv)
330 || SvTYPE (SvRV (sv)) != SVt_PVMG
331 || SvSTASH (SvRV (sv)) != aio_wd_stash)
332 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333
334 return (aio_wd)(long)SvIVX (SvRV (sv));
335}
336
337static void
302static void aio_grp_feed (aio_req grp) 338aio_grp_feed (aio_req grp)
303{ 339{
304 if (grp->sv2 && SvOK (grp->sv2)) 340 if (grp->sv2 && SvOK (grp->sv2))
305 { 341 {
306 dSP; 342 dSP;
307 343
315 FREETMPS; 351 FREETMPS;
316 LEAVE; 352 LEAVE;
317 } 353 }
318} 354}
319 355
356static void
320static void req_submit (eio_req *req) 357req_submit (eio_req *req)
321{ 358{
322 eio_submit (req); 359 eio_submit (req);
323 360
324 if (expect_false (on_next_submit)) 361 if (expect_false (on_next_submit))
325 { 362 {
332 PUTBACK; 369 PUTBACK;
333 call_sv (cb, G_DISCARD | G_EVAL); 370 call_sv (cb, G_DISCARD | G_EVAL);
334 } 371 }
335} 372}
336 373
374static int
337static int req_invoke (eio_req *req) 375req_invoke (eio_req *req)
338{ 376{
339 if (req->flags & FLAG_SV2_RO_OFF) 377 if (req->flags & FLAG_SV2_RO_OFF)
340 SvREADONLY_off (req->sv2); 378 SvREADONLY_off (req->sv2);
341 379
342 if (!EIO_CANCELLED (req) && req->callback) 380 if (!EIO_CANCELLED (req) && req->callback)
363 SvREADONLY_on (sv_result); 401 SvREADONLY_on (sv_result);
364 } 402 }
365 403
366 switch (req->type) 404 switch (req->type)
367 { 405 {
406 case EIO_WD_OPEN:
407 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
408 break;
409
368 case EIO_READDIR: 410 case EIO_READDIR:
369 { 411 {
370 SV *rv = &PL_sv_undef; 412 SV *rv = &PL_sv_undef;
371 413
372 if (req->result >= 0) 414 if (req->result >= 0)
460 case EIO_STATVFS: 502 case EIO_STATVFS:
461 case EIO_FSTATVFS: 503 case EIO_FSTATVFS:
462 { 504 {
463 SV *rv = &PL_sv_undef; 505 SV *rv = &PL_sv_undef;
464 506
507#ifndef _WIN32
465 if (req->result >= 0) 508 if (req->result >= 0)
466 { 509 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 510 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV (); 511 HV *hv = newHV ();
469 512
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 522 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 523 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 524 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 525 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 } 526 }
527#endif
484 528
485 PUSHs (rv); 529 PUSHs (rv);
486 } 530 }
487 531
488 break; 532 break;
504 case EIO_NOP: 548 case EIO_NOP:
505 case EIO_BUSY: 549 case EIO_BUSY:
506 break; 550 break;
507 551
508 case EIO_READLINK: 552 case EIO_READLINK:
553 case EIO_REALPATH:
509 if (req->result > 0) 554 if (req->result > 0)
510 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 555 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511 break; 556 break;
512 557
513 case EIO_STAT: 558 case EIO_STAT:
514 case EIO_LSTAT: 559 case EIO_LSTAT:
515 case EIO_FSTAT: 560 case EIO_FSTAT:
516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 561 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
562
517 PL_laststatval = req->result; 563 if (!(PL_laststatval = req->result))
564 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 565 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
566
519 PUSHs (sv_result); 567 PUSHs (sv_result);
568 break;
569
570 case EIO_SEEK:
571 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520 break; 572 break;
521 573
522 case EIO_READ: 574 case EIO_READ:
523 { 575 {
524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 576 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
527 SvSETMAGIC (req->sv2); 579 SvSETMAGIC (req->sv2);
528 PUSHs (sv_result); 580 PUSHs (sv_result);
529 } 581 }
530 break; 582 break;
531 583
584 case EIO_CUSTOM:
585 if (req->feed == fiemap)
586 {
587#if HAVE_FIEMAP
588 if (!req->result)
589 {
590 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
591
592 if (fiemap->fm_extent_count)
593 {
594 AV *av = newAV ();
595 int i;
596
597 while (fiemap->fm_mapped_extents)
598 {
599 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
600 AV *ext_av = newAV ();
601
602 av_store (ext_av, 3, newSVuv (extent->fe_flags));
603 av_store (ext_av, 2, newSVval64 (extent->fe_length));
604 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
605 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
606
607 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
608 }
609
610 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
611 }
612 else
613 {
614 SvIV_set (sv_result, fiemap->fm_mapped_extents);
615 PUSHs (sv_result);
616 }
617 }
618#endif
619 }
620 else
621 PUSHs (sv_result);
622 break;
623
532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 624 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533 if (req->result > 0) 625 if (req->result > 0)
534 SvIV_set (sv_result, 0); 626 SvIV_set (sv_result, 0);
535 /* FALLTHROUGH */ 627 /* FALLTHROUGH */
536 628
557 } 649 }
558 650
559 return !!SvTRUE (ERRSV); 651 return !!SvTRUE (ERRSV);
560} 652}
561 653
654static void
562static void req_destroy (aio_req req) 655req_destroy (aio_req req)
563{ 656{
564 if (req->self) 657 if (req->self)
565 { 658 {
566 sv_unmagic (req->self, PERL_MAGIC_ext); 659 sv_unmagic (req->self, PERL_MAGIC_ext);
567 SvREFCNT_dec (req->self); 660 SvREFCNT_dec (req->self);
568 } 661 }
569 662
570 SvREFCNT_dec (req->sv1); 663 SvREFCNT_dec (req->sv1);
571 SvREFCNT_dec (req->sv2); 664 SvREFCNT_dec (req->sv2);
665 SvREFCNT_dec (req->sv3);
666 SvREFCNT_dec (req->sv4);
572 SvREFCNT_dec (req->callback); 667 SvREFCNT_dec (req->callback);
573 668
574 Safefree (req); 669 free (req);
575} 670}
576 671
672static void
577static void req_cancel_subs (aio_req grp) 673req_cancel_subs (aio_req grp)
578{ 674{
579 aio_req sub;
580
581 if (grp->type != EIO_GROUP) 675 if (grp->type != EIO_GROUP)
582 return; 676 return;
583 677
584 SvREFCNT_dec (grp->sv2); 678 SvREFCNT_dec (grp->sv2);
585 grp->sv2 = 0; 679 grp->sv2 = 0;
586 680
587 eio_grp_cancel (grp); 681 eio_grp_cancel (grp);
588} 682}
589 683
590static void 684static void ecb_cold
591create_respipe (void) 685create_respipe (void)
592{ 686{
593 if (s_epipe_renew (&respipe)) 687 if (s_epipe_renew (&respipe))
594 croak ("IO::AIO: unable to initialize result pipe"); 688 croak ("IO::AIO: unable to initialize result pipe");
595} 689}
596 690
597static void poll_wait (void) 691static void
692poll_wait (void)
598{ 693{
599 while (eio_nreqs ()) 694 while (eio_nreqs ())
600 { 695 {
601 int size; 696 int size;
602 697
611 706
612 s_epipe_wait (&respipe); 707 s_epipe_wait (&respipe);
613 } 708 }
614} 709}
615 710
616static int poll_cb (void) 711static int
712poll_cb (void)
617{ 713{
618 for (;;) 714 for (;;)
619 { 715 {
620 int res = eio_poll (); 716 int res = eio_poll ();
621 717
627 723
628 poll_wait (); 724 poll_wait ();
629 } 725 }
630} 726}
631 727
632static void atfork_child (void) 728static void ecb_cold
729reinit (void)
633{ 730{
634 create_respipe (); 731 create_respipe ();
732
733 if (eio_init (want_poll, done_poll) < 0)
734 croak ("IO::AIO: unable to initialise eio library");
635} 735}
636 736
637/*****************************************************************************/ 737/*****************************************************************************/
638 738
639#if !_POSIX_MAPPED_FILES 739#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 740# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
641# define munmap(addr,length) (errno = ENOSYS, -1) 741# define munmap(addr,length) EIO_ENOSYS ()
642#endif 742#endif
643 743
644#if !_POSIX_MEMORY_PROTECTION 744#if !_POSIX_MEMORY_PROTECTION
645# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 745# define mprotect(addr,len,prot) EIO_ENOSYS ()
646# define PROT_NONE 0 746# define PROT_NONE 0
647# define PROT_WRITE 0 747# define PROT_WRITE 0
648# define MAP_PRIVATE 0 748# define MAP_PRIVATE 0
649# define MAP_SHARED 0 749# define MAP_SHARED 0
650# define MAP_FIXED 0 750# define MAP_FIXED 0
651#endif 751#endif
652 752
653#define MMAP_MAGIC PERL_MAGIC_ext 753#define MMAP_MAGIC PERL_MAGIC_ext
654 754
655static int 755static int ecb_cold
656mmap_free (pTHX_ SV *sv, MAGIC *mg) 756mmap_free (pTHX_ SV *sv, MAGIC *mg)
657{ 757{
658 int old_errno = errno; 758 int old_errno = errno;
659 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 759 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
660 errno = old_errno; 760 errno = old_errno;
684{ 784{
685 SvGETMAGIC (cb_sv); 785 SvGETMAGIC (cb_sv);
686 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 786 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
687} 787}
688 788
789static aio_req ecb_noinline
790dreq (SV *callback)
791{
792 SV *cb_cv;
793 aio_req req;
794 int req_pri = next_pri;
795 next_pri = EIO_PRI_DEFAULT;
796
797 cb_cv = get_cb (callback);
798
799 req = calloc (sizeof (*req), 1);
800 if (!req)
801 croak ("out of memory during eio_req allocation");
802
803 req->callback = SvREFCNT_inc (cb_cv);
804 req->pri = req_pri;
805
806 return req;
807}
808
689#define dREQ \ 809#define dREQ \
690 SV *cb_cv; \ 810 aio_req req = dreq (callback); \
691 aio_req req; \
692 int req_pri = next_pri; \
693 next_pri = EIO_PRI_DEFAULT; \
694 \
695 cb_cv = get_cb (callback); \
696 \
697 Newz (0, req, 1, eio_req); \
698 if (!req) \
699 croak ("out of memory during eio_req allocation"); \
700 \
701 req->callback = SvREFCNT_inc (cb_cv); \
702 req->pri = req_pri
703 811
704#define REQ_SEND \ 812#define REQ_SEND \
705 PUTBACK; \ 813 PUTBACK; \
706 req_submit (req); \ 814 req_submit (req); \
707 SPAGAIN; \ 815 SPAGAIN; \
708 \ 816 \
709 if (GIMME_V != G_VOID) \ 817 if (GIMME_V != G_VOID) \
710 XPUSHs (req_sv (req, aio_req_stash)); 818 XPUSHs (req_sv (req, aio_req_stash));
711 819
820ecb_inline void
821req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
822{
823 if (expect_false (SvROK (path)))
824 {
825 SV *rv = SvRV (path);
826 SV *wdob;
827
828 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
829 {
830 path = AvARRAY (rv)[1];
831 wdob = AvARRAY (rv)[0];
832
833 if (SvOK (wdob))
834 {
835 *wd = SvAIO_WD (wdob);
836 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
837 }
838 else
839 *wd = EIO_INVALID_WD;
840 }
841 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
842 {
843 *wd = (aio_wd)(long)SvIVX (rv);
844 *wdsv = SvREFCNT_inc_NN (rv);
845 *ptr = ".";
846 return; /* path set to "." */
847 }
848 else
849 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
850 }
851
852 *pathsv = newSVsv (path);
853 *ptr = SvPVbyte_nolen (*pathsv);
854}
855
856static void ecb_noinline
857req_set_path1 (aio_req req, SV *path)
858{
859 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
860}
861
862static void ecb_noinline
863req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
864{
865 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
866
867 switch (SvTYPE (rv))
868 {
869 case SVt_PVIO:
870 case SVt_PVLV:
871 case SVt_PVGV:
872 req->type = type_fh;
873 req->sv1 = newSVsv (fh_or_path);
874 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
875 break;
876
877 default:
878 req->type = type_path;
879 req_set_path1 (req, fh_or_path);
880 break;
881 }
882}
883
884XS(boot_IO__AIO) ecb_cold;
885
712MODULE = IO::AIO PACKAGE = IO::AIO 886MODULE = IO::AIO PACKAGE = IO::AIO
713 887
714PROTOTYPES: ENABLE 888PROTOTYPES: ENABLE
715 889
716BOOT: 890BOOT:
720 IV iv; 894 IV iv;
721 } *civ, const_iv[] = { 895 } *civ, const_iv[] = {
722# define const_niv(name, value) { # name, (IV) value }, 896# define const_niv(name, value) { # name, (IV) value },
723# define const_iv(name) { # name, (IV) name }, 897# define const_iv(name) { # name, (IV) name },
724# define const_eio(name) { # name, (IV) EIO_ ## name }, 898# define const_eio(name) { # name, (IV) EIO_ ## name },
899
900 /* you have to re-run ./gendef0 after adding/Removing any constants here */
901
902 const_iv (ENOSYS)
725 const_iv (EXDEV) 903 const_iv (EXDEV)
726 const_iv (ENOSYS) 904 const_iv (EBADR)
905
727 const_iv (O_RDONLY) 906 const_iv (O_RDONLY)
728 const_iv (O_WRONLY) 907 const_iv (O_WRONLY)
729 const_iv (O_RDWR) 908 const_iv (O_RDWR)
730 const_iv (O_CREAT) 909 const_iv (O_CREAT)
731 const_iv (O_TRUNC) 910 const_iv (O_TRUNC)
732 const_iv (O_EXCL) 911 const_iv (O_EXCL)
733 const_iv (O_APPEND) 912 const_iv (O_APPEND)
734#ifndef _WIN32 913
914 const_iv (O_ASYNC)
915 const_iv (O_DIRECT)
916 const_iv (O_NOATIME)
917
918 const_iv (O_CLOEXEC)
919 const_iv (O_NOCTTY)
920 const_iv (O_NOFOLLOW)
921 const_iv (O_NONBLOCK)
922 const_iv (O_EXEC)
923 const_iv (O_SEARCH)
924 const_iv (O_DIRECTORY)
925 const_iv (O_DSYNC)
926 const_iv (O_RSYNC)
927 const_iv (O_SYNC)
928 const_iv (O_TTY_INIT)
929
735 const_iv (S_IFIFO) 930 const_iv (S_IFIFO)
736#endif 931 const_iv (S_IFCHR)
932 const_iv (S_IFBLK)
933 const_iv (S_IFLNK)
934 const_iv (S_IFREG)
935 const_iv (S_IFDIR)
936 const_iv (S_IFWHT)
937 const_iv (S_IFSOCK)
938 const_iv (S_IFMT)
939
737 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 940 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
738 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 941 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
739 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 942 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
740 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 943 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
741 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 944 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
775 const_iv (MAP_LOCKED) 978 const_iv (MAP_LOCKED)
776 const_iv (MAP_NORESERVE) 979 const_iv (MAP_NORESERVE)
777 const_iv (MAP_POPULATE) 980 const_iv (MAP_POPULATE)
778 const_iv (MAP_NONBLOCK) 981 const_iv (MAP_NONBLOCK)
779 982
983 const_iv (FIEMAP_FLAG_SYNC)
984 const_iv (FIEMAP_FLAG_XATTR)
985 const_iv (FIEMAP_FLAGS_COMPAT)
986 const_iv (FIEMAP_EXTENT_LAST)
987 const_iv (FIEMAP_EXTENT_UNKNOWN)
988 const_iv (FIEMAP_EXTENT_DELALLOC)
989 const_iv (FIEMAP_EXTENT_ENCODED)
990 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
991 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
992 const_iv (FIEMAP_EXTENT_DATA_INLINE)
993 const_iv (FIEMAP_EXTENT_DATA_TAIL)
994 const_iv (FIEMAP_EXTENT_UNWRITTEN)
995 const_iv (FIEMAP_EXTENT_MERGED)
996 const_iv (FIEMAP_EXTENT_SHARED)
997
998 const_iv (SPLICE_F_MOVE)
999 const_iv (SPLICE_F_NONBLOCK)
1000 const_iv (SPLICE_F_MORE)
1001 const_iv (SPLICE_F_GIFT)
1002
1003 const_iv (SEEK_DATA)
1004 const_iv (SEEK_HOLE)
1005
1006 /* libeio constants */
1007 const_eio (SEEK_SET)
1008 const_eio (SEEK_CUR)
1009 const_eio (SEEK_END)
1010
780 const_eio (MCL_FUTURE) 1011 const_eio (MCL_FUTURE)
781 const_eio (MCL_CURRENT) 1012 const_eio (MCL_CURRENT)
782 1013
783 const_eio (MS_ASYNC) 1014 const_eio (MS_ASYNC)
784 const_eio (MS_INVALIDATE) 1015 const_eio (MS_INVALIDATE)
787 const_eio (MT_MODIFY) 1018 const_eio (MT_MODIFY)
788 1019
789 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1020 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
790 const_eio (SYNC_FILE_RANGE_WRITE) 1021 const_eio (SYNC_FILE_RANGE_WRITE)
791 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1022 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1023
1024 const_eio (FALLOC_FL_KEEP_SIZE)
1025 const_eio (FALLOC_FL_PUNCH_HOLE)
792 1026
793 const_eio (READDIR_DENTS) 1027 const_eio (READDIR_DENTS)
794 const_eio (READDIR_DIRS_FIRST) 1028 const_eio (READDIR_DIRS_FIRST)
795 const_eio (READDIR_STAT_ORDER) 1029 const_eio (READDIR_STAT_ORDER)
796 const_eio (READDIR_FOUND_UNKNOWN) 1030 const_eio (READDIR_FOUND_UNKNOWN)
807 }; 1041 };
808 1042
809 aio_stash = gv_stashpv ("IO::AIO" , 1); 1043 aio_stash = gv_stashpv ("IO::AIO" , 1);
810 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1044 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
811 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1045 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1046 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
812 1047
813 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1048 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
814 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1049 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
815 1050
816 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1051 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
817 1052
818 create_respipe (); 1053 reinit ();
819
820 if (eio_init (want_poll, done_poll) < 0)
821 croak ("IO::AIO: unable to initialise eio library");
822
823 /* atfork child called in fifo order, so before eio's handler */
824 X_THREAD_ATFORK (0, 0, atfork_child);
825} 1054}
826 1055
827void 1056void
1057reinit ()
1058 PROTOTYPE:
1059
1060void
828max_poll_reqs (int nreqs) 1061max_poll_reqs (unsigned int nreqs)
829 PROTOTYPE: $ 1062 PROTOTYPE: $
830 CODE: 1063 CODE:
831 eio_set_max_poll_reqs (nreqs); 1064 eio_set_max_poll_reqs (nreqs);
832 1065
833void 1066void
835 PROTOTYPE: $ 1068 PROTOTYPE: $
836 CODE: 1069 CODE:
837 eio_set_max_poll_time (nseconds); 1070 eio_set_max_poll_time (nseconds);
838 1071
839void 1072void
840min_parallel (int nthreads) 1073min_parallel (unsigned int nthreads)
841 PROTOTYPE: $ 1074 PROTOTYPE: $
842 CODE: 1075 CODE:
843 eio_set_min_parallel (nthreads); 1076 eio_set_min_parallel (nthreads);
844 1077
845void 1078void
846max_parallel (int nthreads) 1079max_parallel (unsigned int nthreads)
847 PROTOTYPE: $ 1080 PROTOTYPE: $
848 CODE: 1081 CODE:
849 eio_set_max_parallel (nthreads); 1082 eio_set_max_parallel (nthreads);
850 1083
851void 1084void
852max_idle (int nthreads) 1085max_idle (unsigned int nthreads)
853 PROTOTYPE: $ 1086 PROTOTYPE: $
854 CODE: 1087 CODE:
855 eio_set_max_idle (nthreads); 1088 eio_set_max_idle (nthreads);
856 1089
857void 1090void
1091idle_timeout (unsigned int seconds)
1092 PROTOTYPE: $
1093 CODE:
1094 eio_set_idle_timeout (seconds);
1095
1096void
858max_outstanding (int maxreqs) 1097max_outstanding (unsigned int maxreqs)
859 PROTOTYPE: $ 1098 PROTOTYPE: $
860 CODE: 1099 CODE:
861 max_outstanding = maxreqs; 1100 max_outstanding = maxreqs;
862 1101
863void 1102void
1103aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
1104 PPCODE:
1105{
1106 dREQ;
1107
1108 req->type = EIO_WD_OPEN;
1109 req_set_path1 (req, pathname);
1110
1111 REQ_SEND;
1112}
1113
1114void
864aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1115aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
865 PPCODE: 1116 PPCODE:
866{ 1117{
867 dREQ; 1118 dREQ;
868 1119
869 req->type = EIO_OPEN; 1120 req->type = EIO_OPEN;
870 req->sv1 = newSVsv (pathname); 1121 req_set_path1 (req, pathname);
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 req->int1 = flags; 1122 req->int1 = flags;
873 req->int2 = mode; 1123 req->int2 = mode;
874 1124
875 REQ_SEND; 1125 REQ_SEND;
876} 1126}
878void 1128void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1129aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
880 ALIAS: 1130 ALIAS:
881 aio_fsync = EIO_FSYNC 1131 aio_fsync = EIO_FSYNC
882 aio_fdatasync = EIO_FDATASYNC 1132 aio_fdatasync = EIO_FDATASYNC
1133 aio_syncfs = EIO_SYNCFS
883 PPCODE: 1134 PPCODE:
884{ 1135{
885 int fd = s_fileno_croak (fh, 0); 1136 int fd = s_fileno_croak (fh, 0);
886 dREQ; 1137 dREQ;
887 1138
888 req->type = ix; 1139 req->type = ix;
889 req->sv1 = newSVsv (fh); 1140 req->sv1 = newSVsv (fh);
890 req->int1 = fd; 1141 req->int1 = fd;
891 1142
892 REQ_SEND (req); 1143 REQ_SEND;
893} 1144}
894 1145
895void 1146void
896aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1147aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
897 PPCODE: 1148 PPCODE:
898{ 1149{
899 int fd = s_fileno_croak (fh, 0); 1150 int fd = s_fileno_croak (fh, 0);
900 dREQ; 1151 dREQ;
901 1152
902 req->type = EIO_SYNC_FILE_RANGE; 1153 req->type = EIO_SYNC_FILE_RANGE;
903 req->sv1 = newSVsv (fh); 1154 req->sv1 = newSVsv (fh);
904 req->int1 = fd; 1155 req->int1 = fd;
905 req->offs = offset; 1156 req->offs = offset;
906 req->size = nbytes; 1157 req->size = nbytes;
907 req->int2 = flags; 1158 req->int2 = flags;
908 1159
909 REQ_SEND (req); 1160 REQ_SEND;
1161}
1162
1163void
1164aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1165 PPCODE:
1166{
1167 int fd = s_fileno_croak (fh, 0);
1168 dREQ;
1169
1170 req->type = EIO_FALLOCATE;
1171 req->sv1 = newSVsv (fh);
1172 req->int1 = fd;
1173 req->int2 = mode;
1174 req->offs = offset;
1175 req->size = len;
1176
1177 REQ_SEND;
910} 1178}
911 1179
912void 1180void
913aio_close (SV *fh, SV *callback=&PL_sv_undef) 1181aio_close (SV *fh, SV *callback=&PL_sv_undef)
914 PPCODE: 1182 PPCODE:
915{ 1183{
916 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1184 static int close_fd = -1; /* dummy fd to close fds via dup2 */
917 int fd = s_fileno_croak (fh, 0); 1185 int fd = s_fileno_croak (fh, 0);
918 dREQ; 1186 dREQ;
919 1187
920 if (close_pipe < 0) 1188 if (expect_false (close_fd < 0))
921 { 1189 {
922 int pipefd [2]; 1190 int pipefd [2];
923 1191
1192 if (
1193#ifdef _WIN32
1194 _pipe (pipefd, 1, _O_BINARY) < 0
1195#else
924 if (pipe (pipefd) < 0 1196 pipe (pipefd) < 0
925 || close (pipefd [1]) < 0
926 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1197 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1198#endif
1199 || close (pipefd [1]) < 0
1200 )
927 abort (); /*D*/ 1201 abort (); /*D*/
928 1202
929 close_pipe = pipefd [0]; 1203 close_fd = pipefd [0];
930 } 1204 }
931 1205
932 req->type = EIO_DUP2; 1206 req->type = EIO_DUP2;
933 req->int1 = close_pipe; 1207 req->int1 = close_fd;
934 req->sv2 = newSVsv (fh); 1208 req->sv2 = newSVsv (fh);
935 req->int2 = fd; 1209 req->int2 = fd;
936 1210
937 REQ_SEND (req); 1211 REQ_SEND;
1212}
1213
1214void
1215aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1216 PPCODE:
1217{
1218 int fd = s_fileno_croak (fh, 0);
1219 dREQ;
1220
1221 req->type = EIO_SEEK;
1222 req->sv1 = newSVsv (fh);
1223 req->int1 = fd;
1224 req->offs = SvVAL64 (offset);
1225 req->int2 = whence;
1226
1227 REQ_SEND;
938} 1228}
939 1229
940void 1230void
941aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1231aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
942 ALIAS: 1232 ALIAS:
963 } 1253 }
964 else 1254 else
965 { 1255 {
966 /* read: check type and grow scalar as necessary */ 1256 /* read: check type and grow scalar as necessary */
967 SvUPGRADE (data, SVt_PV); 1257 SvUPGRADE (data, SVt_PV);
1258 if (SvLEN (data) >= SvCUR (data))
968 svptr = SvGROW (data, len + dataoffset + 1); 1259 svptr = SvGROW (data, len + dataoffset + 1);
1260 else if (SvCUR (data) < len + dataoffset)
1261 croak ("length + dataoffset outside of scalar, and cannot grow");
969 } 1262 }
970 1263
971 { 1264 {
972 dREQ; 1265 dREQ;
973 1266
989 REQ_SEND; 1282 REQ_SEND;
990 } 1283 }
991} 1284}
992 1285
993void 1286void
994aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1287aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1288 ALIAS:
1289 aio_readlink = EIO_READLINK
1290 aio_realpath = EIO_REALPATH
995 PPCODE: 1291 PPCODE:
996{ 1292{
997 SV *data;
998 dREQ; 1293 dREQ;
999 1294
1000 req->type = EIO_READLINK; 1295 req->type = ix;
1001 req->sv1 = newSVsv (path); 1296 req_set_path1 (req, pathname);
1002 req->ptr1 = SvPVbyte_nolen (req->sv1);
1003 1297
1004 REQ_SEND; 1298 REQ_SEND;
1005} 1299}
1006 1300
1007void 1301void
1008aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1302aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1009 PPCODE: 1303 PPCODE:
1010{ 1304{
1011 int ifd = s_fileno_croak (in_fh , 0); 1305 int ifd = s_fileno_croak (in_fh , 0);
1012 int ofd = s_fileno_croak (out_fh, 1); 1306 int ofd = s_fileno_croak (out_fh, 1);
1013 dREQ; 1307 dREQ;
1014 1308
1015 req->type = EIO_SENDFILE; 1309 req->type = EIO_SENDFILE;
1016 req->sv1 = newSVsv (out_fh); 1310 req->sv1 = newSVsv (out_fh);
1017 req->int1 = ofd; 1311 req->int1 = ofd;
1025 1319
1026void 1320void
1027aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1321aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1028 PPCODE: 1322 PPCODE:
1029{ 1323{
1030 int fd = s_fileno_croak (fh, 0); 1324 int fd = s_fileno_croak (fh, 0);
1031 dREQ; 1325 dREQ;
1032 1326
1033 req->type = EIO_READAHEAD; 1327 req->type = EIO_READAHEAD;
1034 req->sv1 = newSVsv (fh); 1328 req->sv1 = newSVsv (fh);
1035 req->int1 = fd; 1329 req->int1 = fd;
1047 aio_statvfs = EIO_STATVFS 1341 aio_statvfs = EIO_STATVFS
1048 PPCODE: 1342 PPCODE:
1049{ 1343{
1050 dREQ; 1344 dREQ;
1051 1345
1052 req->sv1 = newSVsv (fh_or_path); 1346 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1053
1054 if (SvPOK (req->sv1))
1055 {
1056 req->type = ix;
1057 req->ptr1 = SvPVbyte_nolen (req->sv1);
1058 }
1059 else
1060 {
1061 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1062 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1063 }
1064 1347
1065 REQ_SEND; 1348 REQ_SEND;
1066} 1349}
1350
1351UV
1352major (UV dev)
1353 ALIAS:
1354 minor = 1
1355 CODE:
1356 RETVAL = ix ? major (dev) : minor (dev);
1357 OUTPUT:
1358 RETVAL
1359
1360UV
1361makedev (UV maj, UV min)
1362 CODE:
1363 RETVAL = makedev (maj, min);
1364 OUTPUT:
1365 RETVAL
1067 1366
1068void 1367void
1069aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1368aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1070 PPCODE: 1369 PPCODE:
1071{ 1370{
1072 dREQ; 1371 dREQ;
1073 1372
1074 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1373 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1075 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1374 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1076 req->sv1 = newSVsv (fh_or_path); 1375 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1077
1078 if (SvPOK (req->sv1))
1079 {
1080 req->type = EIO_UTIME;
1081 req->ptr1 = SvPVbyte_nolen (req->sv1);
1082 }
1083 else
1084 {
1085 req->type = EIO_FUTIME;
1086 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1087 }
1088 1376
1089 REQ_SEND; 1377 REQ_SEND;
1090} 1378}
1091 1379
1092void 1380void
1093aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1381aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1094 PPCODE: 1382 PPCODE:
1095{ 1383{
1096 dREQ; 1384 dREQ;
1097 1385
1098 req->sv1 = newSVsv (fh_or_path);
1099 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1386 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1100 1387 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1101 if (SvPOK (req->sv1))
1102 {
1103 req->type = EIO_TRUNCATE;
1104 req->ptr1 = SvPVbyte_nolen (req->sv1);
1105 }
1106 else
1107 {
1108 req->type = EIO_FTRUNCATE;
1109 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1110 }
1111 1388
1112 REQ_SEND; 1389 REQ_SEND;
1113} 1390}
1114 1391
1115void 1392void
1116aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1393aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1117 ALIAS:
1118 aio_chmod = EIO_CHMOD
1119 aio_mkdir = EIO_MKDIR
1120 PPCODE: 1394 PPCODE:
1121{ 1395{
1122 dREQ; 1396 dREQ;
1123 1397
1124 req->int2 = mode; 1398 req->int2 = mode;
1125 req->sv1 = newSVsv (fh_or_path); 1399 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1126
1127 if (SvPOK (req->sv1))
1128 {
1129 req->type = ix;
1130 req->ptr1 = SvPVbyte_nolen (req->sv1);
1131 }
1132 else
1133 {
1134 req->type = EIO_FCHMOD;
1135 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1136 }
1137 1400
1138 REQ_SEND; 1401 REQ_SEND;
1139} 1402}
1140 1403
1141void 1404void
1144{ 1407{
1145 dREQ; 1408 dREQ;
1146 1409
1147 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1410 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1148 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1411 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1149 req->sv1 = newSVsv (fh_or_path); 1412 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1150
1151 if (SvPOK (req->sv1))
1152 {
1153 req->type = EIO_CHOWN;
1154 req->ptr1 = SvPVbyte_nolen (req->sv1);
1155 }
1156 else
1157 {
1158 req->type = EIO_FCHOWN;
1159 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1160 }
1161 1413
1162 REQ_SEND; 1414 REQ_SEND;
1163} 1415}
1164 1416
1165void 1417void
1167 PPCODE: 1419 PPCODE:
1168{ 1420{
1169 dREQ; 1421 dREQ;
1170 1422
1171 req->type = EIO_READDIR; 1423 req->type = EIO_READDIR;
1172 req->sv1 = newSVsv (pathname);
1173 req->ptr1 = SvPVbyte_nolen (req->sv1);
1174 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1424 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1175 1425
1176 if (flags & EIO_READDIR_DENTS) 1426 if (flags & EIO_READDIR_DENTS)
1177 req->int1 |= EIO_READDIR_CUSTOM2; 1427 req->int1 |= EIO_READDIR_CUSTOM2;
1178 1428
1429 req_set_path1 (req, pathname);
1430
1179 REQ_SEND; 1431 REQ_SEND;
1432}
1433
1434void
1435aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1436 PPCODE:
1437{
1438 dREQ;
1439
1440 req->type = EIO_MKDIR;
1441 req->int2 = mode;
1442 req_set_path1 (req, pathname);
1443
1444 REQ_SEND;
1180} 1445}
1181 1446
1182void 1447void
1183aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1448aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1184 ALIAS: 1449 ALIAS:
1188 PPCODE: 1453 PPCODE:
1189{ 1454{
1190 dREQ; 1455 dREQ;
1191 1456
1192 req->type = ix; 1457 req->type = ix;
1193 req->sv1 = newSVsv (pathname); 1458 req_set_path1 (req, pathname);
1194 req->ptr1 = SvPVbyte_nolen (req->sv1);
1195 1459
1196 REQ_SEND; 1460 REQ_SEND;
1197} 1461}
1198 1462
1199void 1463void
1202 aio_link = EIO_LINK 1466 aio_link = EIO_LINK
1203 aio_symlink = EIO_SYMLINK 1467 aio_symlink = EIO_SYMLINK
1204 aio_rename = EIO_RENAME 1468 aio_rename = EIO_RENAME
1205 PPCODE: 1469 PPCODE:
1206{ 1470{
1471 eio_wd wd2 = 0;
1207 dREQ; 1472 dREQ;
1208 1473
1209 req->type = ix; 1474 req->type = ix;
1210 req->sv1 = newSVsv (oldpath); 1475 req_set_path1 (req, oldpath);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1); 1476 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1212 req->sv2 = newSVsv (newpath); 1477 req->int3 = (long)wd2;
1213 req->ptr2 = SvPVbyte_nolen (req->sv2);
1214 1478
1215 REQ_SEND; 1479 REQ_SEND;
1216} 1480}
1217 1481
1218void 1482void
1220 PPCODE: 1484 PPCODE:
1221{ 1485{
1222 dREQ; 1486 dREQ;
1223 1487
1224 req->type = EIO_MKNOD; 1488 req->type = EIO_MKNOD;
1225 req->sv1 = newSVsv (pathname);
1226 req->ptr1 = SvPVbyte_nolen (req->sv1);
1227 req->int2 = (mode_t)mode; 1489 req->int2 = (mode_t)mode;
1228 req->offs = dev; 1490 req->offs = dev;
1491 req_set_path1 (req, pathname);
1229 1492
1230 REQ_SEND; 1493 REQ_SEND;
1231} 1494}
1232 1495
1233void 1496void
1300 1563
1301 req->type = EIO_MLOCKALL; 1564 req->type = EIO_MLOCKALL;
1302 req->int1 = flags; 1565 req->int1 = flags;
1303 1566
1304 REQ_SEND; 1567 REQ_SEND;
1568}
1569
1570void
1571aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1572 PPCODE:
1573{
1574 int fd = s_fileno_croak (fh, 0);
1575 dREQ;
1576
1577 req->type = EIO_CUSTOM;
1578 req->sv1 = newSVsv (fh);
1579 req->int1 = fd;
1580
1581 req->feed = fiemap;
1582#if HAVE_FIEMAP
1583 /* keep our fingers crossed that the next two types are 64 bit */
1584 req->offs = start;
1585 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1586 req->int2 = flags;
1587 req->int3 = SvOK (count) ? SvIV (count) : -1;
1588#endif
1589
1590 REQ_SEND;
1305} 1591}
1306 1592
1307void 1593void
1308aio_busy (double delay, SV *callback=&PL_sv_undef) 1594aio_busy (double delay, SV *callback=&PL_sv_undef)
1309 PPCODE: 1595 PPCODE:
1433 CODE: 1719 CODE:
1434 RETVAL = posix_fadvise (fh, offset, length, advice); 1720 RETVAL = posix_fadvise (fh, offset, length, advice);
1435 OUTPUT: 1721 OUTPUT:
1436 RETVAL 1722 RETVAL
1437 1723
1438ssize_t 1724IV
1439sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1725sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1440 CODE: 1726 CODE:
1441 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1727 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1442 OUTPUT: 1728 OUTPUT:
1443 RETVAL 1729 RETVAL
1444 1730
1445void 1731void
1446mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1732mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1447 PPCODE: 1733 PPCODE:
1448 sv_unmagic (scalar, MMAP_MAGIC); 1734 sv_unmagic (scalar, MMAP_MAGIC);
1449{ 1735{
1450 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1736 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1451 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1737 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1484 ALIAS: 1770 ALIAS:
1485 mprotect = 1 1771 mprotect = 1
1486 CODE: 1772 CODE:
1487{ 1773{
1488 STRLEN svlen; 1774 STRLEN svlen;
1489 void *addr = SvPVbyte (scalar, svlen); 1775 void *addr = SvPVbyte (scalar, svlen);
1490 size_t len = SvUV (length); 1776 size_t len = SvUV (length);
1491 1777
1492 if (offset < 0) 1778 if (offset < 0)
1493 offset += svlen; 1779 offset += svlen;
1494 1780
1513int 1799int
1514munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1800munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1515 CODE: 1801 CODE:
1516{ 1802{
1517 STRLEN svlen; 1803 STRLEN svlen;
1518 void *addr = SvPVbyte (scalar, svlen); 1804 void *addr = SvPVbyte (scalar, svlen);
1519 size_t len = SvUV (length); 1805 size_t len = SvUV (length);
1520 1806
1521 if (offset < 0) 1807 if (offset < 0)
1522 offset += svlen; 1808 offset += svlen;
1523 1809
1530 addr = (void *)(((intptr_t)addr) + offset); 1816 addr = (void *)(((intptr_t)addr) + offset);
1531 eio_page_align (&addr, &len); 1817 eio_page_align (&addr, &len);
1532#if _POSIX_MEMLOCK_RANGE 1818#if _POSIX_MEMLOCK_RANGE
1533 RETVAL = munlock (addr, len); 1819 RETVAL = munlock (addr, len);
1534#else 1820#else
1535 RETVAL = ((errno = ENOSYS), -1); 1821 RETVAL = EIO_ENOSYS ();
1536#endif 1822#endif
1537} 1823}
1538 OUTPUT: 1824 OUTPUT:
1539 RETVAL 1825 RETVAL
1540 1826
1542munlockall () 1828munlockall ()
1543 CODE: 1829 CODE:
1544#if _POSIX_MEMLOCK 1830#if _POSIX_MEMLOCK
1545 munlockall (); 1831 munlockall ();
1546#else 1832#else
1547 RETVAL = -1; 1833 RETVAL = EIO_ENOSYS ();
1548 errno = ENOSYS;
1549#endif 1834#endif
1550 OUTPUT: 1835 OUTPUT:
1836 RETVAL
1837
1838int
1839splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1840 CODE:
1841{
1842#if HAVE_LINUX_SPLICE
1843 loff_t off_in_, off_out_;
1844 RETVAL = splice (
1845 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1846 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1847 length, flags
1848 );
1849#else
1850 RETVAL = EIO_ENOSYS ();
1851#endif
1852}
1853 OUTPUT:
1854 RETVAL
1855
1856int
1857tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1858 CODE:
1859#if HAVE_LINUX_SPLICE
1860 RETVAL = tee (rfh, wfh, length, flags);
1861#else
1862 RETVAL = EIO_ENOSYS ();
1863#endif
1864 OUTPUT:
1551 RETVAL 1865 RETVAL
1552 1866
1553void _on_next_submit (SV *cb) 1867void _on_next_submit (SV *cb)
1554 CODE: 1868 CODE:
1555 SvREFCNT_dec (on_next_submit); 1869 SvREFCNT_dec (on_next_submit);
1556 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1870 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1557 1871
1558PROTOTYPES: DISABLE 1872PROTOTYPES: DISABLE
1559 1873
1874MODULE = IO::AIO PACKAGE = IO::AIO::WD
1875
1876BOOT:
1877{
1878 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1879 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1880}
1881
1882void
1883DESTROY (SV *self)
1884 CODE:
1885{
1886 aio_wd wd = SvAIO_WD (self);
1887#if HAVE_AT
1888 {
1889 SV *callback = &PL_sv_undef;
1890 dREQ; /* clobbers next_pri :/ */
1891 next_pri = req->pri; /* restore next_pri */
1892 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1893 req->type = EIO_WD_CLOSE;
1894 req->wd = wd;
1895 REQ_SEND;
1896 }
1897#else
1898 eio_wd_close_sync (wd);
1899#endif
1900}
1901
1560MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1902MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1561 1903
1562void 1904void
1563cancel (aio_req_ornot req) 1905cancel (aio_req_ornot req)
1564 CODE: 1906 CODE:

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