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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.244 by root, Tue May 30 22:45:52 2017 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_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# 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. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#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 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80
81 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 82 #define EIO_STRUCT_STATI64
84 83
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 84#else
91# define VAL64 NV 85
92# define SvVAL64 SvNV 86 #include <sys/time.h>
93# define newSVval64 newSVnv 87 #include <sys/select.h>
88 #include <unistd.h>
89 #include <utime.h>
90 #include <signal.h>
91
92 #define EIO_STRUCT_STAT Stat_t
93
94#endif 94#endif
95 95
96/*****************************************************************************/ 96/*****************************************************************************/
97 97
98#if __GNUC__ >= 3 98#if __GNUC__ >= 3
108 108
109typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
112 112
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 114
115#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
116 SV *callback; \ 116 SV *callback; \
117 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
118 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 119 STRLEN stroffset; \
119 SV *self; 120 SV *self;
120 121
121#define EIO_NO_WRAPPERS 1 122#define EIO_NO_WRAPPERS 1
122 123
124#include "libeio/config.h"
123#include "libeio/eio.h" 125#include "libeio/eio.h"
124 126
125#ifndef POSIX_FADV_NORMAL 127static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 128#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 129static void req_destroy (eio_req *grp);
128#endif 130#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 131
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 132#include "libeio/eio.c"
133
134#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 135# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 136#endif
148 137
149#ifndef POSIX_MADV_NORMAL 138#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 139# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif 140#endif
207 141
208#ifndef MAP_ANONYMOUS 142#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 143# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 144# define MAP_ANONYMOUS MAP_ANON
211# else 145# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 146# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 147# endif
214#endif 148#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230 149
231#ifndef PAGESIZE 150/* defines all sorts of constants to 0 unless they are already defined */
151/* also provides const_iv_ and const_niv_ macros for them */
152#include "def0.h"
153
154#ifndef makedev
155# define makedev(maj,min) (((maj) << 8) | (min))
156#endif
157#ifndef major
158# define major(dev) ((dev) >> 8)
159#endif
160#ifndef minor
161# define minor(dev) ((dev) & 0xff)
162#endif
163
164#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 165# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 166#endif
234 167
235static int req_invoke (eio_req *req); 168/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 169
237static void req_destroy (eio_req *grp); 170static void
238#define EIO_DESTROY(req) req_destroy (req) 171fiemap (eio_req *req)
172{
173 req->result = -1;
174
175#if HAVE_FIEMAP
176 /* assume some c99 */
177 struct fiemap *fiemap = 0;
178 size_t end_offset;
179 int count = req->int3;
180
181 req->flags |= EIO_FLAG_PTR1_FREE;
182
183 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
184 /* increase in 3.5kb steps */
185 if (count < 0)
186 count = 8;
187
188 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
189 errno = ENOMEM;
190 if (!fiemap)
191 return;
192
193 req->ptr1 = fiemap;
194
195 fiemap->fm_start = req->offs;
196 fiemap->fm_length = req->size;
197 fiemap->fm_flags = req->int2;
198 fiemap->fm_extent_count = count;
199
200 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
201 return;
202
203 if (req->int3 >= 0 /* not autosizing */
204 || !fiemap->fm_mapped_extents /* no more extents */
205 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
206 goto done;
207
208 /* else we have to loop -
209 * it would be tempting (actually I tried that first) to just query the
210 * number of extents needed, but linux often feels like not returning all
211 * extents, without telling us it left any out. this complicates
212 * this quite a bit.
213 */
214
215 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
216
217 for (;;)
218 {
219 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
220 char scratch[3072];
221 struct fiemap *incmap = (struct fiemap *)scratch;
222
223 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
224 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
225 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
226 incmap->fm_flags = fiemap->fm_flags;
227 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
228
229 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
230 return;
231
232 if (!incmap->fm_mapped_extents)
233 goto done;
234
235 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
236 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
237 errno = ENOMEM;
238 if (!fiemap)
239 return;
240
241 req->ptr1 = fiemap;
242
243 for (count = 0; count < incmap->fm_mapped_extents; ++count)
244 {
245 struct fiemap_extent *e = incmap->fm_extents + count;
246
247 if (e->fe_logical + e->fe_length >= end_offset)
248 goto done;
249
250 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
251
252 if (e->fe_flags & FIEMAP_EXTENT_LAST)
253 goto done;
254
255 }
256 }
257
258done:
259 req->result = 0;
260
261#else
262 errno = ENOSYS;
263#endif
264}
265
266/*****************************************************************************/
239 267
240enum { 268enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 269 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 270};
243 271
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 272typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 273typedef eio_req *aio_req_ornot;
274typedef eio_wd aio_wd;
248 275
249static SV *on_next_submit; 276static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 277static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 278static int max_outstanding;
252 279
253static s_epipe respipe; 280static s_epipe respipe;
254 281
255static void req_destroy (aio_req req); 282static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 283static void req_cancel (aio_req req);
257 284
258static void want_poll (void) 285static void
286want_poll (void)
259{ 287{
260 /* write a dummy byte to the pipe so fh becomes ready */ 288 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 289 s_epipe_signal (&respipe);
262} 290}
263 291
264static void done_poll (void) 292static void
293done_poll (void)
265{ 294{
266 /* read any signals sent by the worker threads */ 295 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 296 s_epipe_drain (&respipe);
268} 297}
269 298
270/* must be called at most once */ 299/* must be called at most once */
300static SV *
271static SV *req_sv (aio_req req, HV *stash) 301req_sv (aio_req req, HV *stash)
272{ 302{
273 if (!req->self) 303 if (!req->self)
274 { 304 {
275 req->self = (SV *)newHV (); 305 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 306 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 307 }
278 308
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 309 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 310}
281 311
282static aio_req SvAIO_REQ (SV *sv) 312static SV *
313newSVaio_wd (aio_wd wd)
314{
315 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
316}
317
318static aio_req
319SvAIO_REQ (SV *sv)
283{ 320{
284 MAGIC *mg; 321 MAGIC *mg;
285 322
286 if (!SvROK (sv) 323 if (!SvROK (sv)
324 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 325 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 326 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 327 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 328 croak ("object of class IO::AIO::REQ expected");
291 329
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 330 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 331
294 return mg ? (aio_req)mg->mg_ptr : 0; 332 return mg ? (aio_req)mg->mg_ptr : 0;
295} 333}
296 334
335static aio_wd
336SvAIO_WD (SV *sv)
337{
338 if (!SvROK (sv)
339 || SvTYPE (SvRV (sv)) != SVt_PVMG
340 || SvSTASH (SvRV (sv)) != aio_wd_stash)
341 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
342
343 return (aio_wd)(long)SvIVX (SvRV (sv));
344}
345
346static SV *
347newmortalFH (int fd, int flags)
348{
349 if (fd < 0)
350 return &PL_sv_undef;
351
352 GV *gv = (GV *)sv_newmortal ();
353 char sym[64];
354 int symlen;
355
356 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
357 gv_init (gv, aio_stash, sym, symlen, 0);
358
359 symlen = snprintf (
360 sym,
361 sizeof (sym),
362 "%s&=%d",
363 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
364 fd
365 );
366
367 return do_open (gv, sym, symlen, 0, 0, 0, 0)
368 ? (SV *)gv : &PL_sv_undef;
369}
370
371static void
297static void aio_grp_feed (aio_req grp) 372aio_grp_feed (aio_req grp)
298{ 373{
299 if (grp->sv2 && SvOK (grp->sv2)) 374 if (grp->sv2 && SvOK (grp->sv2))
300 { 375 {
301 dSP; 376 dSP;
302 377
310 FREETMPS; 385 FREETMPS;
311 LEAVE; 386 LEAVE;
312 } 387 }
313} 388}
314 389
390static void
315static void req_submit (eio_req *req) 391req_submit (eio_req *req)
316{ 392{
317 eio_submit (req); 393 eio_submit (req);
318 394
319 if (expect_false (on_next_submit)) 395 if (expect_false (on_next_submit))
320 { 396 {
327 PUTBACK; 403 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 404 call_sv (cb, G_DISCARD | G_EVAL);
329 } 405 }
330} 406}
331 407
408static int
332static int req_invoke (eio_req *req) 409req_invoke (eio_req *req)
333{ 410{
334 if (req->flags & FLAG_SV2_RO_OFF) 411 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 412 SvREADONLY_off (req->sv2);
336 413
337 if (!EIO_CANCELLED (req) && req->callback) 414 if (!EIO_CANCELLED (req) && req->callback)
348 /* do not recreate the result IV from scratch each time */ 425 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 426 if (expect_true (sv_result_cache))
350 { 427 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 428 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 429 SvIV_set (sv_result, req->result);
430 SvIOK_only (sv_result);
353 } 431 }
354 else 432 else
355 { 433 {
356 sv_result = newSViv (req->result); 434 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 435 SvREADONLY_on (sv_result);
358 } 436 }
359 437
360 switch (req->type) 438 switch (req->type)
361 { 439 {
440 case EIO_WD_OPEN:
441 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
442 break;
443
362 case EIO_READDIR: 444 case EIO_READDIR:
363 { 445 {
364 SV *rv = &PL_sv_undef; 446 SV *rv = &PL_sv_undef;
365 447
366 if (req->result >= 0) 448 if (req->result >= 0)
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 501 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 502 }
421 break; 503 break;
422 504
423 case EIO_OPEN: 505 case EIO_OPEN:
424 { 506 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
425 /* convert fd to fh */
426 SV *fh = &PL_sv_undef;
427
428 if (req->result >= 0)
429 {
430 GV *gv = (GV *)sv_newmortal ();
431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
432 char sym [64];
433 int symlen;
434
435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
436 gv_init (gv, aio_stash, sym, symlen, 0);
437
438 symlen = snprintf (
439 sym,
440 sizeof (sym),
441 "%s&=%d",
442 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
443 (int)req->result
444 );
445
446 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
447 fh = (SV *)gv;
448 }
449
450 PUSHs (fh);
451 }
452 break; 507 break;
453 508
454 case EIO_STATVFS: 509 case EIO_STATVFS:
455 case EIO_FSTATVFS: 510 case EIO_FSTATVFS:
456 { 511 {
457 SV *rv = &PL_sv_undef; 512 SV *rv = &PL_sv_undef;
458 513
514#ifndef _WIN32
459 if (req->result >= 0) 515 if (req->result >= 0)
460 { 516 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 517 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 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));
463 524
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 525 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 526
466 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);
467 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);
469 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);
470 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);
471 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);
472 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);
473 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);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 535 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 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);
476 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);
477 } 538 }
539#endif
478 540
479 PUSHs (rv); 541 PUSHs (rv);
480 } 542 }
481 543
482 break; 544 break;
498 case EIO_NOP: 560 case EIO_NOP:
499 case EIO_BUSY: 561 case EIO_BUSY:
500 break; 562 break;
501 563
502 case EIO_READLINK: 564 case EIO_READLINK:
565 case EIO_REALPATH:
503 if (req->result > 0) 566 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 567 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 568 break;
506 569
507 case EIO_STAT: 570 case EIO_STAT:
508 case EIO_LSTAT: 571 case EIO_LSTAT:
509 case EIO_FSTAT: 572 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 573 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
574
511 PL_laststatval = req->result; 575 if (!(PL_laststatval = req->result))
576 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 577 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
578
513 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)));
514 break; 584 break;
515 585
516 case EIO_READ: 586 case EIO_READ:
517 { 587 {
518 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));
521 SvSETMAGIC (req->sv2); 591 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 592 PUSHs (sv_result);
523 } 593 }
524 break; 594 break;
525 595
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
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 636 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 637 if (req->result > 0)
528 SvIV_set (sv_result, 0); 638 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 639 /* FALLTHROUGH */
530 640
531 default: 641 default:
551 } 661 }
552 662
553 return !!SvTRUE (ERRSV); 663 return !!SvTRUE (ERRSV);
554} 664}
555 665
666static void
556static void req_destroy (aio_req req) 667req_destroy (aio_req req)
557{ 668{
558 if (req->self) 669 if (req->self)
559 { 670 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 671 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 672 SvREFCNT_dec (req->self);
562 } 673 }
563 674
564 SvREFCNT_dec (req->sv1); 675 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 676 SvREFCNT_dec (req->sv2);
677 SvREFCNT_dec (req->sv3);
678 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 679 SvREFCNT_dec (req->callback);
567 680
568 Safefree (req); 681 free (req);
569} 682}
570 683
684static void
571static void req_cancel_subs (aio_req grp) 685req_cancel_subs (aio_req grp)
572{ 686{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 687 if (grp->type != EIO_GROUP)
576 return; 688 return;
577 689
578 SvREFCNT_dec (grp->sv2); 690 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 691 grp->sv2 = 0;
580 692
581 eio_grp_cancel (grp); 693 eio_grp_cancel (grp);
582} 694}
583 695
584static void 696static void ecb_cold
585create_respipe (void) 697create_respipe (void)
586{ 698{
587 if (s_epipe_renew (&respipe)) 699 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 700 croak ("IO::AIO: unable to initialize result pipe");
589} 701}
590 702
591static void poll_wait (void) 703static void
704poll_wait (void)
592{ 705{
593 while (eio_nreqs ()) 706 while (eio_nreqs ())
594 { 707 {
595 int size; 708 int size;
596 709
597 X_LOCK (reslock); 710 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 711 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 712 X_UNLOCK (EIO_POOL->reslock);
600 713
601 if (size) 714 if (size)
602 return; 715 return;
603 716
604 etp_maybe_start_thread (); 717 etp_maybe_start_thread (EIO_POOL);
605 718
606 s_epipe_wait (&respipe); 719 s_epipe_wait (&respipe);
607 } 720 }
608} 721}
609 722
610static int poll_cb (void) 723static int
724poll_cb (void)
611{ 725{
612 for (;;) 726 for (;;)
613 { 727 {
614 int res = eio_poll (); 728 int res = eio_poll ();
615 729
621 735
622 poll_wait (); 736 poll_wait ();
623 } 737 }
624} 738}
625 739
626static void atfork_child (void) 740static void ecb_cold
741reinit (void)
627{ 742{
628 create_respipe (); 743 create_respipe ();
744
745 if (eio_init (want_poll, done_poll) < 0)
746 croak ("IO::AIO: unable to initialise eio library");
629} 747}
630 748
631/*****************************************************************************/ 749/*****************************************************************************/
632 750
633#if !_POSIX_MAPPED_FILES 751#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 752# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
635# define munmap(addr,length) (errno = ENOSYS, -1) 753# define munmap(addr,length) EIO_ENOSYS ()
754#endif
755
756#if !_POSIX_MEMORY_PROTECTION
757# define mprotect(addr,len,prot) EIO_ENOSYS ()
636#endif 758#endif
637 759
638#define MMAP_MAGIC PERL_MAGIC_ext 760#define MMAP_MAGIC PERL_MAGIC_ext
639 761
640static int 762static int ecb_cold
641mmap_free (pTHX_ SV *sv, MAGIC *mg) 763mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{ 764{
643 int old_errno = errno; 765 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 766 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno; 767 errno = old_errno;
669{ 791{
670 SvGETMAGIC (cb_sv); 792 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 793 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 794}
673 795
796static aio_req ecb_noinline
797dreq (SV *callback)
798{
799 SV *cb_cv;
800 aio_req req;
801 int req_pri = next_pri;
802 next_pri = EIO_PRI_DEFAULT;
803
804 cb_cv = get_cb (callback);
805
806 req = calloc (sizeof (*req), 1);
807 if (!req)
808 croak ("out of memory during eio_req allocation");
809
810 req->callback = SvREFCNT_inc (cb_cv);
811 req->pri = req_pri;
812
813 return req;
814}
815
674#define dREQ \ 816#define dREQ \
675 SV *cb_cv; \ 817 aio_req req = dreq (callback); \
676 aio_req req; \
677 int req_pri = next_pri; \
678 next_pri = EIO_PRI_DEFAULT; \
679 \
680 cb_cv = get_cb (callback); \
681 \
682 Newz (0, req, 1, eio_req); \
683 if (!req) \
684 croak ("out of memory during eio_req allocation"); \
685 \
686 req->callback = SvREFCNT_inc (cb_cv); \
687 req->pri = req_pri
688 818
689#define REQ_SEND \ 819#define REQ_SEND \
690 PUTBACK; \ 820 PUTBACK; \
691 req_submit (req); \ 821 req_submit (req); \
692 SPAGAIN; \ 822 SPAGAIN; \
693 \ 823 \
694 if (GIMME_V != G_VOID) \ 824 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 825 XPUSHs (req_sv (req, aio_req_stash));
696 826
827ecb_inline void
828req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
829{
830 if (expect_false (SvROK (path)))
831 {
832 SV *rv = SvRV (path);
833 SV *wdob;
834
835 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
836 {
837 path = AvARRAY (rv)[1];
838 wdob = AvARRAY (rv)[0];
839
840 if (SvOK (wdob))
841 {
842 *wd = SvAIO_WD (wdob);
843 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
844 }
845 else
846 *wd = EIO_INVALID_WD;
847 }
848 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
849 {
850 *wd = (aio_wd)(long)SvIVX (rv);
851 *wdsv = SvREFCNT_inc_NN (rv);
852 *ptr = ".";
853 return; /* path set to "." */
854 }
855 else
856 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
857 }
858
859 *pathsv = newSVsv (path);
860 *ptr = SvPVbyte_nolen (*pathsv);
861}
862
863static void ecb_noinline
864req_set_path1 (aio_req req, SV *path)
865{
866 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
867}
868
869static void ecb_noinline
870req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
871{
872 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
873
874 switch (SvTYPE (rv))
875 {
876 case SVt_PVIO:
877 case SVt_PVLV:
878 case SVt_PVGV:
879 req->type = type_fh;
880 req->sv1 = newSVsv (fh_or_path);
881 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
882 break;
883
884 default:
885 req->type = type_path;
886 req_set_path1 (req, fh_or_path);
887 break;
888 }
889}
890
891XS(boot_IO__AIO) ecb_cold;
892
697MODULE = IO::AIO PACKAGE = IO::AIO 893MODULE = IO::AIO PACKAGE = IO::AIO
698 894
699PROTOTYPES: ENABLE 895PROTOTYPES: ENABLE
700 896
701BOOT: 897BOOT:
705 IV iv; 901 IV iv;
706 } *civ, const_iv[] = { 902 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 903# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 904# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 905# define const_eio(name) { # name, (IV) EIO_ ## name },
906
907 /* you have to re-run ./gendef0 after adding/removing any constants here */
908 /* the first block can be undef if missing */
909 const_iv (ENOSYS)
710 const_iv (EXDEV) 910 const_iv (EXDEV)
711 const_iv (ENOSYS) 911 const_iv (EBADR)
912
913 /* for lseek */
914 const_iv (SEEK_DATA)
915 const_iv (SEEK_HOLE)
916
917 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
918 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
919 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
920 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
921 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
922 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
923
924 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
925 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
926 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
927 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
928 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
929 const_niv (MADV_FREE , POSIX_MADV_FREE)
930
931 /* the second block will be 0 when missing */
712 const_iv (O_RDONLY) 932 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 933 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 934 const_iv (O_RDWR)
715 const_iv (O_CREAT) 935 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 936 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 937 const_iv (O_EXCL)
718 const_iv (O_APPEND) 938 const_iv (O_APPEND)
719#ifndef _WIN32 939
940 const_iv (O_ASYNC)
941 const_iv (O_DIRECT)
942 const_iv (O_NOATIME)
943
944 const_iv (O_CLOEXEC)
945 const_iv (O_NOCTTY)
946 const_iv (O_NOFOLLOW)
947 const_iv (O_NONBLOCK)
948 const_iv (O_EXEC)
949 const_iv (O_SEARCH)
950 const_iv (O_DIRECTORY)
951 const_iv (O_DSYNC)
952 const_iv (O_RSYNC)
953 const_iv (O_SYNC)
954 const_iv (O_PATH)
955 const_iv (O_TMPFILE)
956 const_iv (O_TTY_INIT)
957
720 const_iv (S_IFIFO) 958 const_iv (S_IFIFO)
721#endif 959 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 960 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 961 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 962 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 963 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 964 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 965 const_iv (S_IFSOCK)
728 966 const_iv (S_IFMT)
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734 967
735 const_iv (ST_RDONLY) 968 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 969 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 970 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 971 const_iv (ST_NOEXEC)
743 const_iv (ST_IMMUTABLE) 976 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 977 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 978 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 979 const_iv (ST_RELATIME)
747 980
981 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 982 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 983 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 984 const_iv (PROT_WRITE)
752 985
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 986 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 987 const_iv (MAP_SHARED)
988 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 989 const_iv (MAP_ANONYMOUS)
757 990
758 /* linuxish */ 991 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 992 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 993 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 994 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 995 const_iv (MAP_NONBLOCK)
996 const_iv (MAP_GROWSDOWN)
997 const_iv (MAP_32BIT)
998 const_iv (MAP_HUGETLB)
999 const_iv (MAP_STACK)
764 1000
1001 const_iv (FIFREEZE)
1002 const_iv (FITHAW)
1003 const_iv (FITRIM)
1004 const_iv (FICLONE)
1005 const_iv (FICLONERANGE)
1006 const_iv (FIDEDUPERANGE)
1007
1008 const_iv (FS_IOC_GETFLAGS)
1009 const_iv (FS_IOC_SETFLAGS)
1010 const_iv (FS_IOC_GETVERSION)
1011 const_iv (FS_IOC_SETVERSION)
1012 const_iv (FS_IOC_FIEMAP)
1013 const_iv (FS_IOC_FSGETXATTR)
1014 const_iv (FS_IOC_FSSETXATTR)
1015 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1016 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1017 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1018
1019 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1020
1021 const_iv (FS_SECRM_FL)
1022 const_iv (FS_UNRM_FL)
1023 const_iv (FS_COMPR_FL)
1024 const_iv (FS_SYNC_FL)
1025 const_iv (FS_IMMUTABLE_FL)
1026 const_iv (FS_APPEND_FL)
1027 const_iv (FS_NODUMP_FL)
1028 const_iv (FS_NOATIME_FL)
1029 const_iv (FS_DIRTY_FL)
1030 const_iv (FS_COMPRBLK_FL)
1031 const_iv (FS_NOCOMP_FL)
1032 const_iv (FS_ENCRYPT_FL)
1033 const_iv (FS_BTREE_FL)
1034 const_iv (FS_INDEX_FL)
1035 const_iv (FS_JOURNAL_DATA_FL)
1036 const_iv (FS_NOTAIL_FL)
1037 const_iv (FS_DIRSYNC_FL)
1038 const_iv (FS_TOPDIR_FL)
1039 const_iv (FS_FL_USER_MODIFIABLE)
1040
1041 const_iv (FS_XFLAG_REALTIME)
1042 const_iv (FS_XFLAG_PREALLOC)
1043 const_iv (FS_XFLAG_IMMUTABLE)
1044 const_iv (FS_XFLAG_APPEND)
1045 const_iv (FS_XFLAG_SYNC)
1046 const_iv (FS_XFLAG_NOATIME)
1047 const_iv (FS_XFLAG_NODUMP)
1048 const_iv (FS_XFLAG_RTINHERIT)
1049 const_iv (FS_XFLAG_PROJINHERIT)
1050 const_iv (FS_XFLAG_NOSYMLINKS)
1051 const_iv (FS_XFLAG_EXTSIZE)
1052 const_iv (FS_XFLAG_EXTSZINHERIT)
1053 const_iv (FS_XFLAG_NODEFRAG)
1054 const_iv (FS_XFLAG_FILESTREAM)
1055 const_iv (FS_XFLAG_DAX)
1056 const_iv (FS_XFLAG_HASATTR)
1057
1058 const_iv (FIEMAP_FLAG_SYNC)
1059 const_iv (FIEMAP_FLAG_XATTR)
1060 const_iv (FIEMAP_FLAGS_COMPAT)
1061 const_iv (FIEMAP_EXTENT_LAST)
1062 const_iv (FIEMAP_EXTENT_UNKNOWN)
1063 const_iv (FIEMAP_EXTENT_DELALLOC)
1064 const_iv (FIEMAP_EXTENT_ENCODED)
1065 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1066 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1067 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1068 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1069 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1070 const_iv (FIEMAP_EXTENT_MERGED)
1071 const_iv (FIEMAP_EXTENT_SHARED)
1072
1073 const_iv (SPLICE_F_MOVE)
1074 const_iv (SPLICE_F_NONBLOCK)
1075 const_iv (SPLICE_F_MORE)
1076 const_iv (SPLICE_F_GIFT)
1077
1078 /* these are libeio constants, and are independent of gendef0 */
1079 const_eio (SEEK_SET)
1080 const_eio (SEEK_CUR)
1081 const_eio (SEEK_END)
1082
765 const_iv (MCL_FUTURE) 1083 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1084 const_eio (MCL_CURRENT)
767 1085
768 const_eio (MS_ASYNC) 1086 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1087 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1088 const_eio (MS_SYNC)
771 1089
772 const_eio (MT_MODIFY) 1090 const_eio (MT_MODIFY)
773 1091
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1092 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1093 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1094 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1095
1096 const_eio (FALLOC_FL_KEEP_SIZE)
1097 const_eio (FALLOC_FL_PUNCH_HOLE)
1098 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1099 const_eio (FALLOC_FL_ZERO_RANGE)
777 1100
778 const_eio (READDIR_DENTS) 1101 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1102 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1103 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1104 const_eio (READDIR_FOUND_UNKNOWN)
792 }; 1115 };
793 1116
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1117 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1118 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1119 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1120 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1121
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1122 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1123 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1124
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1125 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1126
803 create_respipe (); 1127 reinit ();
804
805 if (eio_init (want_poll, done_poll) < 0)
806 croak ("IO::AIO: unable to initialise eio library");
807
808 /* atfork child called in fifo order, so before eio's handler */
809 X_THREAD_ATFORK (0, 0, atfork_child);
810} 1128}
811 1129
812void 1130void
1131reinit ()
1132 PROTOTYPE:
1133
1134void
813max_poll_reqs (int nreqs) 1135max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1136 PROTOTYPE: $
815 CODE: 1137 CODE:
816 eio_set_max_poll_reqs (nreqs); 1138 eio_set_max_poll_reqs (nreqs);
817 1139
818void 1140void
820 PROTOTYPE: $ 1142 PROTOTYPE: $
821 CODE: 1143 CODE:
822 eio_set_max_poll_time (nseconds); 1144 eio_set_max_poll_time (nseconds);
823 1145
824void 1146void
825min_parallel (int nthreads) 1147min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1148 PROTOTYPE: $
827 CODE: 1149 CODE:
828 eio_set_min_parallel (nthreads); 1150 eio_set_min_parallel (nthreads);
829 1151
830void 1152void
831max_parallel (int nthreads) 1153max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1154 PROTOTYPE: $
833 CODE: 1155 CODE:
834 eio_set_max_parallel (nthreads); 1156 eio_set_max_parallel (nthreads);
835 1157
836void 1158void
837max_idle (int nthreads) 1159max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1160 PROTOTYPE: $
839 CODE: 1161 CODE:
840 eio_set_max_idle (nthreads); 1162 eio_set_max_idle (nthreads);
841 1163
842void 1164void
1165idle_timeout (unsigned int seconds)
1166 PROTOTYPE: $
1167 CODE:
1168 eio_set_idle_timeout (seconds);
1169
1170void
843max_outstanding (int maxreqs) 1171max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1172 PROTOTYPE: $
845 CODE: 1173 CODE:
846 max_outstanding = maxreqs; 1174 max_outstanding = maxreqs;
847 1175
848void 1176void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1177aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1178 PPCODE:
852{ 1179{
853 dREQ; 1180 dREQ;
854 1181
1182 req->type = EIO_WD_OPEN;
1183 req_set_path1 (req, pathname);
1184
1185 REQ_SEND;
1186}
1187
1188void
1189aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1190 PPCODE:
1191{
1192 dREQ;
1193
855 req->type = EIO_OPEN; 1194 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1195 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1196 req->int1 = flags;
859 req->int2 = mode; 1197 req->int2 = mode;
860 1198
861 REQ_SEND; 1199 REQ_SEND;
862} 1200}
863 1201
864void 1202void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1203aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1204 ALIAS:
868 aio_fsync = EIO_FSYNC 1205 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1206 aio_fdatasync = EIO_FDATASYNC
1207 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1208 PPCODE:
871{ 1209{
872 int fd = s_fileno_croak (fh, 0); 1210 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1211 dREQ;
874 1212
875 req->type = ix; 1213 req->type = ix;
876 req->sv1 = newSVsv (fh); 1214 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1215 req->int1 = fd;
878 1216
879 REQ_SEND (req); 1217 REQ_SEND;
880} 1218}
881 1219
882void 1220void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1221aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1222 PPCODE:
886{ 1223{
887 int fd = s_fileno_croak (fh, 0); 1224 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1225 dREQ;
889 1226
890 req->type = EIO_SYNC_FILE_RANGE; 1227 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1228 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1229 req->int1 = fd;
893 req->offs = offset; 1230 req->offs = offset;
894 req->size = nbytes; 1231 req->size = nbytes;
895 req->int2 = flags; 1232 req->int2 = flags;
896 1233
897 REQ_SEND (req); 1234 REQ_SEND;
898} 1235}
899 1236
900void 1237void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1238aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1239 PPCODE:
904{ 1240{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1241 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1242 dREQ;
908 1243
909 if (close_pipe < 0) 1244 req->type = EIO_FALLOCATE;
1245 req->sv1 = newSVsv (fh);
1246 req->int1 = fd;
1247 req->int2 = mode;
1248 req->offs = offset;
1249 req->size = len;
1250
1251 REQ_SEND;
1252}
1253
1254void
1255aio_close (SV *fh, SV *callback = &PL_sv_undef)
1256 PPCODE:
1257{
1258 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1259 int fd = s_fileno_croak (fh, 0);
1260 dREQ;
1261
1262 if (expect_false (close_fd < 0))
910 { 1263 {
911 int pipefd [2]; 1264 int pipefd [2];
912 1265
1266 if (
1267#ifdef _WIN32
1268 _pipe (pipefd, 1, _O_BINARY) < 0
1269#else
913 if (pipe (pipefd) < 0 1270 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1271 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1272#endif
1273 || close (pipefd [1]) < 0
1274 )
916 abort (); /*D*/ 1275 abort (); /*D*/
917 1276
918 close_pipe = pipefd [0]; 1277 close_fd = pipefd [0];
919 } 1278 }
920 1279
921 req->type = EIO_DUP2; 1280 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1281 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1282 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1283 req->int2 = fd;
925 1284
926 REQ_SEND (req); 1285 REQ_SEND;
927} 1286}
928 1287
929void 1288void
1289aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1290 PPCODE:
1291{
1292 int fd = s_fileno_croak (fh, 0);
1293 dREQ;
1294
1295 req->type = EIO_SEEK;
1296 req->sv1 = newSVsv (fh);
1297 req->int1 = fd;
1298 req->offs = SvVAL64 (offset);
1299 req->int2 = whence;
1300
1301 REQ_SEND;
1302}
1303
1304void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1305aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1306 ALIAS:
932 aio_read = EIO_READ 1307 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1308 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1309 PPCODE:
936{ 1310{
937 STRLEN svlen; 1311 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1312 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1313 char *svptr = SvPVbyte (data, svlen);
952 len = svlen - dataoffset; 1326 len = svlen - dataoffset;
953 } 1327 }
954 else 1328 else
955 { 1329 {
956 /* read: check type and grow scalar as necessary */ 1330 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1331 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1332 svptr = sv_grow (data, len + dataoffset + 1);
1333 else if (SvCUR (data) < len + dataoffset)
1334 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1335 }
960 1336
961 { 1337 {
962 dREQ; 1338 dREQ;
963 1339
979 REQ_SEND; 1355 REQ_SEND;
980 } 1356 }
981} 1357}
982 1358
983void 1359void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1360aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1361 ALIAS:
1362 aio_ioctl = EIO_IOCTL
1363 aio_fcntl = EIO_FCNTL
986 PPCODE: 1364 PPCODE:
987{ 1365{
988 SV *data; 1366 int fd = s_fileno_croak (fh, 0);
1367 char *svptr;
1368
1369 if (SvPOK (arg) || !SvNIOK (arg))
1370 {
1371 STRLEN svlen;
1372 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1373#ifdef IOCPARM_LEN
1374 STRLEN need = IOCPARM_LEN (request);
1375#else
1376 STRLEN need = 256;
1377#endif
1378
1379 if (svlen < need)
1380 svptr = SvGROW (arg, need);
1381 }
1382 else
1383 svptr = (char *)SvIV (arg);
1384
1385 {
1386 dREQ;
1387
1388 req->type = ix;
1389 req->sv1 = newSVsv (fh);
1390 req->int1 = fd;
1391 req->int2 = (long)request;
1392 req->sv2 = SvREFCNT_inc (arg);
1393 req->ptr2 = svptr;
1394
1395 REQ_SEND;
1396 }
1397}
1398
1399void
1400aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1401 ALIAS:
1402 aio_readlink = EIO_READLINK
1403 aio_realpath = EIO_REALPATH
1404 PPCODE:
1405{
989 dREQ; 1406 dREQ;
990 1407
991 req->type = EIO_READLINK; 1408 req->type = ix;
992 req->sv1 = newSVsv (path); 1409 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1410
995 REQ_SEND; 1411 REQ_SEND;
996} 1412}
997 1413
998void 1414void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1415aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1416 PPCODE:
1002{ 1417{
1003 int ifd = s_fileno_croak (in_fh , 0); 1418 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1419 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1420 dREQ;
1006 1421
1007 req->type = EIO_SENDFILE; 1422 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1423 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1424 req->int1 = ofd;
1014 1429
1015 REQ_SEND; 1430 REQ_SEND;
1016} 1431}
1017 1432
1018void 1433void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1434aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1435 PPCODE:
1022{ 1436{
1023 int fd = s_fileno_croak (fh, 0); 1437 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1438 dREQ;
1025 1439
1026 req->type = EIO_READAHEAD; 1440 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1441 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1442 req->int1 = fd;
1031 1445
1032 REQ_SEND; 1446 REQ_SEND;
1033} 1447}
1034 1448
1035void 1449void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1450aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1451 ALIAS:
1038 aio_stat = EIO_STAT 1452 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1453 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1454 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1455 PPCODE:
1042{ 1456{
1043 dREQ; 1457 dREQ;
1044 1458
1045 req->sv1 = newSVsv (fh_or_path); 1459 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047 if (SvPOK (req->sv1))
1048 {
1049 req->type = ix;
1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
1051 }
1052 else
1053 {
1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056 }
1057 1460
1058 REQ_SEND; 1461 REQ_SEND;
1059} 1462}
1060 1463
1464UV
1465major (UV dev)
1466 ALIAS:
1467 minor = 1
1468 CODE:
1469 RETVAL = ix ? minor (dev) : major (dev);
1470 OUTPUT:
1471 RETVAL
1472
1473UV
1474makedev (UV maj, UV min)
1475 CODE:
1476 RETVAL = makedev (maj, min);
1477 OUTPUT:
1478 RETVAL
1479
1061void 1480void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1481aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1482 PPCODE:
1064{ 1483{
1065 dREQ; 1484 dREQ;
1066 1485
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1486 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1487 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1488 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071 if (SvPOK (req->sv1))
1072 {
1073 req->type = EIO_UTIME;
1074 req->ptr1 = SvPVbyte_nolen (req->sv1);
1075 }
1076 else
1077 {
1078 req->type = EIO_FUTIME;
1079 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080 }
1081 1489
1082 REQ_SEND; 1490 REQ_SEND;
1083} 1491}
1084 1492
1085void 1493void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1494aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1495 PPCODE:
1088{ 1496{
1089 dREQ; 1497 dREQ;
1090 1498
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1499 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1500 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094 if (SvPOK (req->sv1))
1095 {
1096 req->type = EIO_TRUNCATE;
1097 req->ptr1 = SvPVbyte_nolen (req->sv1);
1098 }
1099 else
1100 {
1101 req->type = EIO_FTRUNCATE;
1102 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103 }
1104 1501
1105 REQ_SEND; 1502 REQ_SEND;
1106} 1503}
1107 1504
1108void 1505void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1506aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1110 ALIAS:
1111 aio_chmod = EIO_CHMOD
1112 aio_mkdir = EIO_MKDIR
1113 PPCODE: 1507 PPCODE:
1114{ 1508{
1115 dREQ; 1509 dREQ;
1116 1510
1117 req->int2 = mode; 1511 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1512 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120 if (SvPOK (req->sv1))
1121 {
1122 req->type = ix;
1123 req->ptr1 = SvPVbyte_nolen (req->sv1);
1124 }
1125 else
1126 {
1127 req->type = EIO_FCHMOD;
1128 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129 }
1130 1513
1131 REQ_SEND; 1514 REQ_SEND;
1132} 1515}
1133 1516
1134void 1517void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1518aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1519 PPCODE:
1137{ 1520{
1138 dREQ; 1521 dREQ;
1139 1522
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1523 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1524 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1525 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144 if (SvPOK (req->sv1))
1145 {
1146 req->type = EIO_CHOWN;
1147 req->ptr1 = SvPVbyte_nolen (req->sv1);
1148 }
1149 else
1150 {
1151 req->type = EIO_FCHOWN;
1152 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153 }
1154 1526
1155 REQ_SEND; 1527 REQ_SEND;
1156} 1528}
1157 1529
1158void 1530void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1531aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1532 PPCODE:
1161{ 1533{
1162 dREQ; 1534 dREQ;
1163 1535
1164 req->type = EIO_READDIR; 1536 req->type = EIO_READDIR;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1537 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1538
1169 if (flags & EIO_READDIR_DENTS) 1539 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1540 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1541
1542 req_set_path1 (req, pathname);
1543
1172 REQ_SEND; 1544 REQ_SEND;
1173} 1545}
1174 1546
1175void 1547void
1548aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1549 PPCODE:
1550{
1551 dREQ;
1552
1553 req->type = EIO_MKDIR;
1554 req->int2 = mode;
1555 req_set_path1 (req, pathname);
1556
1557 REQ_SEND;
1558}
1559
1560void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1561aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1562 ALIAS:
1178 aio_unlink = EIO_UNLINK 1563 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1564 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1565 aio_readdir = EIO_READDIR
1181 PPCODE: 1566 PPCODE:
1182{ 1567{
1183 dREQ; 1568 dREQ;
1184 1569
1185 req->type = ix; 1570 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1571 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1572
1189 REQ_SEND; 1573 REQ_SEND;
1190} 1574}
1191 1575
1192void 1576void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1577aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1578 ALIAS:
1195 aio_link = EIO_LINK 1579 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1580 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1581 aio_rename = EIO_RENAME
1198 PPCODE: 1582 PPCODE:
1199{ 1583{
1584 eio_wd wd2 = 0;
1200 dREQ; 1585 dREQ;
1201 1586
1202 req->type = ix; 1587 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1588 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1589 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1590 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1591
1208 REQ_SEND; 1592 REQ_SEND;
1209} 1593}
1210 1594
1211void 1595void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1596aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1597 PPCODE:
1214{ 1598{
1215 dREQ; 1599 dREQ;
1216 1600
1217 req->type = EIO_MKNOD; 1601 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1602 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1603 req->offs = dev;
1604 req_set_path1 (req, pathname);
1222 1605
1223 REQ_SEND; 1606 REQ_SEND;
1224} 1607}
1225 1608
1226void 1609void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1610aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1611 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1612 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1613 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1614 PPCODE:
1233{ 1615{
1234 STRLEN svlen; 1616 STRLEN svlen;
1617 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1618 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1619
1620 if (flags < 0)
1621 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1622
1238 if (offset < 0) 1623 if (offset < 0)
1239 offset += svlen; 1624 offset += svlen;
1240 1625
1241 if (offset < 0 || offset > svlen) 1626 if (offset < 0 || offset > svlen)
1246 1631
1247 { 1632 {
1248 dREQ; 1633 dREQ;
1249 1634
1250 req->type = ix; 1635 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1636 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1637 req->ptr2 = (char *)svptr + offset;
1638 req->size = len;
1254 req->int1 = flags; 1639 req->int1 = flags;
1255 1640
1256 REQ_SEND; 1641 REQ_SEND;
1257 } 1642 }
1258} 1643}
1259 1644
1260void 1645void
1646aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1647 PPCODE:
1648{
1649 STRLEN svlen;
1650 char *svptr = SvPVbyte (data, svlen);
1651 UV len = SvUV (length);
1652
1653 if (offset < 0)
1654 offset += svlen;
1655
1656 if (offset < 0 || offset > svlen)
1657 croak ("offset outside of scalar");
1658
1659 if (!SvOK (length) || len + offset > svlen)
1660 len = svlen - offset;
1661
1662 {
1663 dREQ;
1664
1665 req->type = EIO_MLOCK;
1666 req->sv2 = SvREFCNT_inc (data);
1667 req->ptr2 = (char *)svptr + offset;
1668 req->size = len;
1669
1670 REQ_SEND;
1671 }
1672}
1673
1674void
1675aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1676 PPCODE:
1677{
1678 dREQ;
1679
1680 req->type = EIO_MLOCKALL;
1681 req->int1 = flags;
1682
1683 REQ_SEND;
1684}
1685
1686void
1687aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1688 PPCODE:
1689{
1690 int fd = s_fileno_croak (fh, 0);
1691 dREQ;
1692
1693 req->type = EIO_CUSTOM;
1694 req->sv1 = newSVsv (fh);
1695 req->int1 = fd;
1696
1697 req->feed = fiemap;
1698#if HAVE_FIEMAP
1699 /* keep our fingers crossed that the next two types are 64 bit */
1700 req->offs = start;
1701 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1702 req->int2 = flags;
1703 req->int3 = SvOK (count) ? SvIV (count) : -1;
1704#endif
1705
1706 REQ_SEND;
1707}
1708
1709void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1710aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1711 PPCODE:
1263{ 1712{
1264 dREQ; 1713 dREQ;
1265 1714
1266 req->type = EIO_BUSY; 1715 req->type = EIO_BUSY;
1268 1717
1269 REQ_SEND; 1718 REQ_SEND;
1270} 1719}
1271 1720
1272void 1721void
1273aio_group (SV *callback=&PL_sv_undef) 1722aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1723 PPCODE:
1276{ 1724{
1277 dREQ; 1725 dREQ;
1278 1726
1279 req->type = EIO_GROUP; 1727 req->type = EIO_GROUP;
1280 1728
1729 PUTBACK;
1281 req_submit (req); 1730 req_submit (req);
1731 SPAGAIN;
1732
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1733 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1734}
1284 1735
1285void 1736void
1286aio_nop (SV *callback=&PL_sv_undef) 1737aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1738 ALIAS:
1288 aio_nop = EIO_NOP 1739 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1740 aio_sync = EIO_SYNC
1290 PPCODE: 1741 PPCODE:
1291{ 1742{
1295 1746
1296 REQ_SEND; 1747 REQ_SEND;
1297} 1748}
1298 1749
1299int 1750int
1300aioreq_pri (int pri = 0) 1751aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 1752 CODE:
1303 RETVAL = next_pri; 1753 RETVAL = next_pri;
1304 if (items > 0) 1754 if (items > 0)
1305 { 1755 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1756 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1768 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1769 next_pri = nice;
1320 1770
1321void 1771void
1322flush () 1772flush ()
1323 PROTOTYPE:
1324 CODE: 1773 CODE:
1325 while (eio_nreqs ()) 1774 while (eio_nreqs ())
1326 { 1775 {
1327 poll_wait (); 1776 poll_wait ();
1328 poll_cb (); 1777 poll_cb ();
1329 } 1778 }
1330 1779
1331int 1780int
1332poll() 1781poll ()
1333 PROTOTYPE:
1334 CODE: 1782 CODE:
1335 poll_wait (); 1783 poll_wait ();
1336 RETVAL = poll_cb (); 1784 RETVAL = poll_cb ();
1337 OUTPUT: 1785 OUTPUT:
1338 RETVAL 1786 RETVAL
1339 1787
1340int 1788int
1341poll_fileno() 1789poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1790 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1791 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 1792 OUTPUT:
1346 RETVAL 1793 RETVAL
1347 1794
1348int 1795int
1349poll_cb(...) 1796poll_cb (...)
1350 PROTOTYPE: 1797 PROTOTYPE:
1351 CODE: 1798 CODE:
1352 RETVAL = poll_cb (); 1799 RETVAL = poll_cb ();
1353 OUTPUT: 1800 OUTPUT:
1354 RETVAL 1801 RETVAL
1355 1802
1356void 1803void
1357poll_wait() 1804poll_wait ()
1358 PROTOTYPE:
1359 CODE: 1805 CODE:
1360 poll_wait (); 1806 poll_wait ();
1361 1807
1362int 1808int
1363nreqs() 1809nreqs ()
1364 PROTOTYPE:
1365 CODE: 1810 CODE:
1366 RETVAL = eio_nreqs (); 1811 RETVAL = eio_nreqs ();
1367 OUTPUT: 1812 OUTPUT:
1368 RETVAL 1813 RETVAL
1369 1814
1370int 1815int
1371nready() 1816nready ()
1372 PROTOTYPE:
1373 CODE: 1817 CODE:
1374 RETVAL = eio_nready (); 1818 RETVAL = eio_nready ();
1375 OUTPUT: 1819 OUTPUT:
1376 RETVAL 1820 RETVAL
1377 1821
1378int 1822int
1379npending() 1823npending ()
1380 PROTOTYPE:
1381 CODE: 1824 CODE:
1382 RETVAL = eio_npending (); 1825 RETVAL = eio_npending ();
1383 OUTPUT: 1826 OUTPUT:
1384 RETVAL 1827 RETVAL
1385 1828
1386int 1829int
1387nthreads() 1830nthreads ()
1388 PROTOTYPE:
1389 CODE: 1831 CODE:
1390 RETVAL = eio_nthreads (); 1832 RETVAL = eio_nthreads ();
1391 OUTPUT: 1833 OUTPUT:
1392 RETVAL 1834 RETVAL
1393 1835
1394int 1836int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1837fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 1838 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 1839 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 1840 OUTPUT:
1400 RETVAL 1841 RETVAL
1401 1842
1402ssize_t 1843IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1844sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 1845 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1846 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 1847 OUTPUT:
1408 RETVAL 1848 RETVAL
1409 1849
1410void 1850void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1851mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 1852 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 1853 sv_unmagic (scalar, MMAP_MAGIC);
1415{ 1854{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1855 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1856 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1440 XSRETURN_YES; 1879 XSRETURN_YES;
1441} 1880}
1442 1881
1443void 1882void
1444munmap (SV *scalar) 1883munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 1884 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 1885 sv_unmagic (scalar, MMAP_MAGIC);
1448 1886
1449int 1887int
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 1888madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451 PROTOTYPE: $$$$ 1889 ALIAS:
1890 mprotect = 1
1452 CODE: 1891 CODE:
1453{ 1892{
1454 char *addr = SvPV_nolen (scalar) + offset; 1893 STRLEN svlen;
1894 void *addr = SvPVbyte (scalar, svlen);
1895 STRLEN len = SvUV (length);
1455 1896
1456 if (!SvOK (ST (2))) 1897 if (offset < 0)
1898 offset += svlen;
1899
1900 if (offset < 0 || offset > svlen)
1901 croak ("offset outside of scalar");
1902
1903 if (!SvOK (length) || len + offset > svlen)
1457 length = SvCUR (scalar) - offset; 1904 len = svlen - offset;
1458 1905
1459 if (addr >= SvEND (scalar) || length <= 0) 1906 addr = (void *)(((intptr_t)addr) + offset);
1460 XSRETURN_EMPTY; 1907 eio_page_align (&addr, &len);
1461 1908
1909 switch (ix)
1910 {
1462 RETVAL = posix_madvise (addr, length, advice); 1911 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1912 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1913 }
1463} 1914}
1464 OUTPUT: 1915 OUTPUT:
1465 RETVAL 1916 RETVAL
1466 1917
1467int 1918int
1468mlockall (int flags) 1919munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 1920 CODE:
1921{
1922 STRLEN svlen;
1923 void *addr = SvPVbyte (scalar, svlen);
1924 size_t len = SvUV (length);
1925
1926 if (offset < 0)
1927 offset += svlen;
1928
1929 if (offset < 0 || offset > svlen)
1930 croak ("offset outside of scalar");
1931
1932 if (!SvOK (length) || len + offset > svlen)
1933 len = svlen - offset;
1934
1935 addr = (void *)(((intptr_t)addr) + offset);
1936 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 1937#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1938 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 1939#else
1478 RETVAL = -1; 1940 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 1941#endif
1942}
1481 OUTPUT: 1943 OUTPUT:
1482 RETVAL 1944 RETVAL
1483 1945
1484int 1946int
1485munlockall () 1947munlockall ()
1486 PROTOTYPE:
1487 CODE: 1948 CODE:
1488#if _POSIX_MEMLOCK 1949#if _POSIX_MEMLOCK
1489 munlockall (); 1950 munlockall ();
1490#else 1951#else
1491 RETVAL = -1; 1952 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 1953#endif
1494 OUTPUT: 1954 OUTPUT:
1495 RETVAL 1955 RETVAL
1956
1957int
1958splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1959 CODE:
1960{
1961#if HAVE_LINUX_SPLICE
1962 loff_t off_in_, off_out_;
1963 RETVAL = splice (
1964 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1965 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1966 length, flags
1967 );
1968#else
1969 RETVAL = EIO_ENOSYS ();
1970#endif
1971}
1972 OUTPUT:
1973 RETVAL
1974
1975int
1976tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1977 CODE:
1978#if HAVE_LINUX_SPLICE
1979 RETVAL = tee (rfh, wfh, length, flags);
1980#else
1981 RETVAL = EIO_ENOSYS ();
1982#endif
1983 OUTPUT:
1984 RETVAL
1985
1986int
1987pipesize (aio_rfd rfh, int new_size = -1)
1988 PROTOTYPE: $;$
1989 CODE:
1990#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1991 if (new_size >= 0)
1992 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1993 else
1994 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1995#else
1996 errno = ENOSYS;
1997 RETVAL = -1;
1998#endif
1999 OUTPUT:
2000 RETVAL
2001
2002void
2003pipe2 (int flags = 0)
2004 PROTOTYPE: ;$
2005 PPCODE:
2006{
2007 int fd[2];
2008 int res;
2009
2010 if (flags)
2011#if HAVE_PIPE2
2012 res = pipe2 (fd, flags);
2013#else
2014 res = (errno = ENOSYS, -1);
2015#endif
2016 else
2017 res = pipe (fd);
2018
2019 if (!res)
2020 {
2021 EXTEND (SP, 2);
2022 PUSHs (newmortalFH (fd[0], O_RDONLY));
2023 PUSHs (newmortalFH (fd[1], O_WRONLY));
2024 }
2025}
1496 2026
1497void _on_next_submit (SV *cb) 2027void _on_next_submit (SV *cb)
1498 CODE: 2028 CODE:
1499 SvREFCNT_dec (on_next_submit); 2029 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2030 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2031
1502PROTOTYPES: DISABLE 2032PROTOTYPES: DISABLE
1503 2033
2034MODULE = IO::AIO PACKAGE = IO::AIO::WD
2035
2036BOOT:
2037{
2038 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2039 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2040}
2041
2042void
2043DESTROY (SV *self)
2044 CODE:
2045{
2046 aio_wd wd = SvAIO_WD (self);
2047#if HAVE_AT
2048 {
2049 SV *callback = &PL_sv_undef;
2050 dREQ; /* clobbers next_pri :/ */
2051 next_pri = req->pri; /* restore next_pri */
2052 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2053 req->type = EIO_WD_CLOSE;
2054 req->wd = wd;
2055 REQ_SEND;
2056 }
2057#else
2058 eio_wd_close_sync (wd);
2059#endif
2060}
2061
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2062MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2063
1506void 2064void
1507cancel (aio_req_ornot req) 2065cancel (aio_req_ornot req)
1508 CODE: 2066 CODE:
1509 eio_cancel (req); 2067 eio_cancel (req);
1510 2068
1511void 2069void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2070cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2071 PPCODE:
1514{ 2072{
1515 if (GIMME_V != G_VOID) 2073 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2074 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2075
1518 if (items > 1) 2076 if (items > 1)
1519 { 2077 {
1520 SV *cb_cv =get_cb (callback); 2078 SV *cb_cv = get_cb (callback);
1521 2079
1522 SvREFCNT_dec (req->callback); 2080 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2081 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2082 }
1525} 2083}
1582limit (aio_req grp, int limit) 2140limit (aio_req grp, int limit)
1583 CODE: 2141 CODE:
1584 eio_grp_limit (grp, limit); 2142 eio_grp_limit (grp, limit);
1585 2143
1586void 2144void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2145feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2146 CODE:
1589{ 2147{
1590 SvREFCNT_dec (grp->sv2); 2148 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2149 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2150 grp->feed = aio_grp_feed;

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