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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.236 by root, Thu Jun 25 17:40:24 2015 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>
23#endif 22#endif
24 23
25#if !_POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 25 * to implement any linux standard apis, and also has no way to test
27# define munmap(addr,length) (errno = ENOSYS, -1) 26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
28#endif 35#endif
29 36
30/* perl namespace pollution */ 37/* perl namespace pollution */
31#undef VERSION 38#undef VERSION
32
33#ifdef _WIN32
34
35# define EIO_STRUCT_DIRENT Direntry_t
36# undef malloc
37# undef free
38
39// perl overrides all those nice win32 functions
40# undef open
41# undef read
42# undef write
43# undef send
44# undef recv
45# undef stat
46# undef fstat
47# define lstat stat
48# undef truncate
49# undef ftruncate
50# undef open
51# undef close
52# undef unlink
53# undef rmdir
54# undef rename
55# undef lseek
56
57# define chown(a,b,c) (errno = ENOSYS, -1)
58# define fchown(a,b,c) (errno = ENOSYS, -1)
59# define fchmod(a,b) (errno = ENOSYS, -1)
60# define symlink(a,b) (errno = ENOSYS, -1)
61# define readlink(a,b,c) (errno = ENOSYS, -1)
62# define mknod(a,b,c) (errno = ENOSYS, -1)
63# define truncate(a,b) (errno = ENOSYS, -1)
64# define ftruncate(fd,o) chsize ((fd), (o))
65# define fsync(fd) _commit (fd)
66# define opendir(fd) (errno = ENOSYS, 0)
67# define readdir(fd) (errno = ENOSYS, -1)
68# define closedir(fd) (errno = ENOSYS, -1)
69# define mkdir(a,b) mkdir (a)
70
71#else
72
73# include <sys/time.h>
74# include <sys/select.h>
75# include <unistd.h>
76# include <utime.h>
77# include <signal.h>
78# define EIO_STRUCT_DIRENT struct dirent
79
80#endif
81 39
82/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
83/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
84#undef readdir 42#undef readdir
85#undef opendir 43#undef opendir
86#undef closedir 44#undef closedir
87 45
46#ifdef _WIN32
47
48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
52 #undef open
53 #undef read
54 #undef write
55 #undef send
56 #undef recv
57 #undef stat
58 #undef lstat
59 #undef fstat
60 #undef truncate
61 #undef ftruncate
62 #undef open
63 #undef link
64 #undef close
65 #undef unlink
66 #undef mkdir
67 #undef rmdir
68 #undef rename
69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
79
80 #define EIO_STRUCT_STAT struct _stati64
88#define EIO_STRUCT_STAT Stat_t 81 #define EIO_STRUCT_STATI64
89 82
90/* use NV for 32 bit perls as it allows larger offsets */
91#if IVSIZE >= 8
92# define VAL64 IV
93# define SvVAL64 SvIV
94# define newSVval64 newSViv
95#else 83#else
96# define VAL64 NV 84
97# define SvVAL64 SvNV 85 #include <sys/time.h>
98# define newSVval64 newSVnv 86 #include <sys/select.h>
87 #include <unistd.h>
88 #include <utime.h>
89 #include <signal.h>
90
91 #define EIO_STRUCT_STAT Stat_t
92
99#endif 93#endif
100 94
101/*****************************************************************************/ 95/*****************************************************************************/
102 96
103#if __GNUC__ >= 3 97#if __GNUC__ >= 3
113 107
114typedef SV SV8; /* byte-sv, used for argument-checking */ 108typedef SV SV8; /* byte-sv, used for argument-checking */
115typedef int aio_rfd; /* read file desriptor */ 109typedef int aio_rfd; /* read file desriptor */
116typedef int aio_wfd; /* write file descriptor */ 110typedef int aio_wfd; /* write file descriptor */
117 111
118static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119 113
120#define EIO_REQ_MEMBERS \ 114#define EIO_REQ_MEMBERS \
121 SV *callback; \ 115 SV *callback; \
122 SV *sv1, *sv2; \ 116 SV *sv1, *sv2; \
117 SV *sv3, *sv4; \
123 STRLEN stroffset; \ 118 STRLEN stroffset; \
124 SV *self; 119 SV *self;
125 120
126#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
127 122
123#include "libeio/config.h"
128#include "libeio/eio.h" 124#include "libeio/eio.h"
129 125
130#ifndef POSIX_FADV_NORMAL 126static int req_invoke (eio_req *req);
131# define POSIX_FADV_NORMAL 0 127#define EIO_FINISH(req) req_invoke (req)
132# define NO_FADVISE 1 128static void req_destroy (eio_req *grp);
133#endif 129#define EIO_DESTROY(req) req_destroy (req)
134#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0
136#endif
137#ifndef POSIX_FADV_RANDOM
138# define POSIX_FADV_RANDOM 0
139#endif
140#ifndef POSIX_FADV_NOREUSE
141# define POSIX_FADV_NOREUSE 0
142#endif
143#ifndef POSIX_FADV_WILLNEED
144# define POSIX_FADV_WILLNEED 0
145#endif
146#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0
148#endif
149 130
150#ifndef ST_NODEV 131#include "libeio/eio.c"
151# define ST_NODEV 0
152#endif
153#ifndef ST_NOEXEC
154# define ST_NOEXEC 0
155#endif
156#ifndef ST_SYNCHRONOUS
157# define ST_SYNCHRONOUS 0
158#endif
159#ifndef ST_MANDLOCK
160# define ST_MANDLOCK 0
161#endif
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165#ifndef ST_APPEND
166# define ST_APPEND 0
167#endif
168#ifndef ST_IMMUTABLE
169# define ST_IMMUTABLE 0
170#endif
171#ifndef ST_NOATIME
172# define ST_NOATIME 0
173#endif
174#ifndef ST_NODIRATIME
175# define ST_NODIRATIME 0
176#endif
177#ifndef ST_RELATIME
178# define ST_RELATIME 0
179#endif
180 132
181#ifndef MCL_CURRENT 133#if !HAVE_POSIX_FADVISE
182# define MCL_CURRENT 0 134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
183#endif 135#endif
184#ifndef MCL_FUTURE 136
185# define MCL_FUTURE 0 137#if !HAVE_POSIX_MADVISE
138# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
186#endif 139#endif
187 140
188#ifndef MAP_ANONYMOUS 141#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON 142# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON 143# define MAP_ANONYMOUS MAP_ANON
191# else 144# else
192# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193# endif 146# endif
194#endif 147#endif
195#ifndef MAP_HUGETLB
196# define MAP_HUGETLB 0
197#endif
198#ifndef MAP_LOCKED
199# define MAP_LOCKED 0
200#endif
201#ifndef MAP_NORESERVE
202# define MAP_NORESERVE 0
203#endif
204#ifndef MAP_POPULATE
205# define MAP_POPULATE 0
206#endif
207#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0
209#endif
210 148
211#ifndef PAGESIZE 149/* defines all sorts of constants to 0 unless they are already defined */
150/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h"
152
153#ifndef makedev
154# define makedev(maj,min) (((maj) << 8) | (min))
155#endif
156#ifndef major
157# define major(dev) ((dev) >> 8)
158#endif
159#ifndef minor
160# define minor(dev) ((dev) & 0xff)
161#endif
162
163#if PAGESIZE <= 0
212# define PAGESIZE sysconf (_SC_PAGESIZE) 164# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif 165#endif
214 166
215static int req_invoke (eio_req *req); 167/*****************************************************************************/
216#define EIO_FINISH(req) req_invoke (req) 168
217static void req_destroy (eio_req *grp); 169static void
218#define EIO_DESTROY(req) req_destroy (req) 170fiemap (eio_req *req)
171{
172 req->result = -1;
173
174#if HAVE_FIEMAP
175 /* assume some c99 */
176 struct fiemap *fiemap = 0;
177 size_t end_offset;
178 int count = req->int3;
179
180 req->flags |= EIO_FLAG_PTR1_FREE;
181
182 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
183 /* increase in 3.5kb steps */
184 if (count < 0)
185 count = 8;
186
187 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
188 errno = ENOMEM;
189 if (!fiemap)
190 return;
191
192 req->ptr1 = fiemap;
193
194 fiemap->fm_start = req->offs;
195 fiemap->fm_length = req->size;
196 fiemap->fm_flags = req->int2;
197 fiemap->fm_extent_count = count;
198
199 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
200 return;
201
202 if (req->int3 >= 0 /* not autosizing */
203 || !fiemap->fm_mapped_extents /* no more extents */
204 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
205 goto done;
206
207 /* else we have to loop -
208 * it would be tempting (actually I tried that first) to just query the
209 * number of extents needed, but linux often feels like not returning all
210 * extents, without telling us it left any out. this complicates
211 * this quite a bit.
212 */
213
214 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
215
216 for (;;)
217 {
218 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
219 char scratch[3072];
220 struct fiemap *incmap = (struct fiemap *)scratch;
221
222 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
223 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
224 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
225 incmap->fm_flags = fiemap->fm_flags;
226 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
227
228 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
229 return;
230
231 if (!incmap->fm_mapped_extents)
232 goto done;
233
234 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
235 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
236 errno = ENOMEM;
237 if (!fiemap)
238 return;
239
240 req->ptr1 = fiemap;
241
242 for (count = 0; count < incmap->fm_mapped_extents; ++count)
243 {
244 struct fiemap_extent *e = incmap->fm_extents + count;
245
246 if (e->fe_logical + e->fe_length >= end_offset)
247 goto done;
248
249 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
250
251 if (e->fe_flags & FIEMAP_EXTENT_LAST)
252 goto done;
253
254 }
255 }
256
257done:
258 req->result = 0;
259
260#else
261 errno = ENOSYS;
262#endif
263}
264
265/*****************************************************************************/
219 266
220enum { 267enum {
221 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222}; 269};
223 270
224#include "libeio/eio.c"
225
226typedef eio_req *aio_req; 271typedef eio_req *aio_req;
227typedef eio_req *aio_req_ornot; 272typedef eio_req *aio_req_ornot;
273typedef eio_wd aio_wd;
228 274
229static SV *on_next_submit; 275static SV *on_next_submit;
230static int next_pri = EIO_PRI_DEFAULT; 276static int next_pri = EIO_PRI_DEFAULT;
231static int max_outstanding; 277static int max_outstanding;
232 278
233static s_epipe respipe; 279static s_epipe respipe;
234 280
235static void req_destroy (aio_req req); 281static void req_destroy (aio_req req);
236static void req_cancel (aio_req req); 282static void req_cancel (aio_req req);
237 283
238static void want_poll (void) 284static void
285want_poll (void)
239{ 286{
240 /* write a dummy byte to the pipe so fh becomes ready */ 287 /* write a dummy byte to the pipe so fh becomes ready */
241 s_epipe_signal (&respipe); 288 s_epipe_signal (&respipe);
242} 289}
243 290
244static void done_poll (void) 291static void
292done_poll (void)
245{ 293{
246 /* read any signals sent by the worker threads */ 294 /* read any signals sent by the worker threads */
247 s_epipe_drain (&respipe); 295 s_epipe_drain (&respipe);
248} 296}
249 297
250/* must be called at most once */ 298/* must be called at most once */
299static SV *
251static SV *req_sv (aio_req req, HV *stash) 300req_sv (aio_req req, HV *stash)
252{ 301{
253 if (!req->self) 302 if (!req->self)
254 { 303 {
255 req->self = (SV *)newHV (); 304 req->self = (SV *)newHV ();
256 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 305 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
257 } 306 }
258 307
259 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 308 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
260} 309}
261 310
262static aio_req SvAIO_REQ (SV *sv) 311static SV *
312newSVaio_wd (aio_wd wd)
313{
314 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
315}
316
317static aio_req
318SvAIO_REQ (SV *sv)
263{ 319{
264 MAGIC *mg; 320 MAGIC *mg;
265 321
266 if (!SvROK (sv) 322 if (!SvROK (sv)
323 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
267 || (SvSTASH (SvRV (sv)) != aio_grp_stash 324 || (SvSTASH (SvRV (sv)) != aio_grp_stash
268 && SvSTASH (SvRV (sv)) != aio_req_stash 325 && SvSTASH (SvRV (sv)) != aio_req_stash
269 && !sv_derived_from (sv, "IO::AIO::REQ"))) 326 && !sv_derived_from (sv, "IO::AIO::REQ")))
270 croak ("object of class IO::AIO::REQ expected"); 327 croak ("object of class IO::AIO::REQ expected");
271 328
272 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 329 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273 330
274 return mg ? (aio_req)mg->mg_ptr : 0; 331 return mg ? (aio_req)mg->mg_ptr : 0;
275} 332}
276 333
334static aio_wd
335SvAIO_WD (SV *sv)
336{
337 if (!SvROK (sv)
338 || SvTYPE (SvRV (sv)) != SVt_PVMG
339 || SvSTASH (SvRV (sv)) != aio_wd_stash)
340 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
341
342 return (aio_wd)(long)SvIVX (SvRV (sv));
343}
344
345static SV *
346newmortalFH (int fd, int flags)
347{
348 if (fd < 0)
349 return &PL_sv_undef;
350
351 GV *gv = (GV *)sv_newmortal ();
352 char sym[64];
353 int symlen;
354
355 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
356 gv_init (gv, aio_stash, sym, symlen, 0);
357
358 symlen = snprintf (
359 sym,
360 sizeof (sym),
361 "%s&=%d",
362 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
363 fd
364 );
365
366 return do_open (gv, sym, symlen, 0, 0, 0, 0)
367 ? (SV *)gv : &PL_sv_undef;
368}
369
370static void
277static void aio_grp_feed (aio_req grp) 371aio_grp_feed (aio_req grp)
278{ 372{
279 if (grp->sv2 && SvOK (grp->sv2)) 373 if (grp->sv2 && SvOK (grp->sv2))
280 { 374 {
281 dSP; 375 dSP;
282 376
290 FREETMPS; 384 FREETMPS;
291 LEAVE; 385 LEAVE;
292 } 386 }
293} 387}
294 388
389static void
295static void req_submit (eio_req *req) 390req_submit (eio_req *req)
296{ 391{
297 eio_submit (req); 392 eio_submit (req);
298 393
299 if (expect_false (on_next_submit)) 394 if (expect_false (on_next_submit))
300 { 395 {
307 PUTBACK; 402 PUTBACK;
308 call_sv (cb, G_DISCARD | G_EVAL); 403 call_sv (cb, G_DISCARD | G_EVAL);
309 } 404 }
310} 405}
311 406
407static int
312static int req_invoke (eio_req *req) 408req_invoke (eio_req *req)
313{ 409{
314 dSP;
315
316 if (req->flags & FLAG_SV2_RO_OFF) 410 if (req->flags & FLAG_SV2_RO_OFF)
317 SvREADONLY_off (req->sv2); 411 SvREADONLY_off (req->sv2);
318 412
319 if (!EIO_CANCELLED (req) && req->callback) 413 if (!EIO_CANCELLED (req) && req->callback)
320 { 414 {
415 dSP;
416 static SV *sv_result_cache; /* caches the result integer SV */
417 SV *sv_result;
418
321 ENTER; 419 ENTER;
322 SAVETMPS; 420 SAVETMPS;
323 PUSHMARK (SP); 421 PUSHMARK (SP);
324 EXTEND (SP, 1); 422 EXTEND (SP, 1);
325 423
424 /* do not recreate the result IV from scratch each time */
425 if (expect_true (sv_result_cache))
426 {
427 sv_result = sv_result_cache; sv_result_cache = 0;
428 SvIV_set (sv_result, req->result);
429 SvIOK_only (sv_result);
430 }
431 else
432 {
433 sv_result = newSViv (req->result);
434 SvREADONLY_on (sv_result);
435 }
436
326 switch (req->type) 437 switch (req->type)
327 { 438 {
439 case EIO_WD_OPEN:
440 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
441 break;
442
328 case EIO_READDIR: 443 case EIO_READDIR:
329 { 444 {
330 SV *rv = &PL_sv_undef; 445 SV *rv = &PL_sv_undef;
331 446
332 if (req->result >= 0) 447 if (req->result >= 0)
385 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 500 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
386 } 501 }
387 break; 502 break;
388 503
389 case EIO_OPEN: 504 case EIO_OPEN:
390 { 505 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
391 /* convert fd to fh */
392 SV *fh = &PL_sv_undef;
393
394 if (req->result >= 0)
395 {
396 GV *gv = (GV *)sv_newmortal ();
397 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
398 char sym [64];
399 int symlen;
400
401 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
402 gv_init (gv, aio_stash, sym, symlen, 0);
403
404 symlen = snprintf (
405 sym,
406 sizeof (sym),
407 "%s&=%d",
408 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
409 (int)req->result
410 );
411
412 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
413 fh = (SV *)gv;
414 }
415
416 PUSHs (fh);
417 }
418 break; 506 break;
419 507
420 case EIO_STATVFS: 508 case EIO_STATVFS:
421 case EIO_FSTATVFS: 509 case EIO_FSTATVFS:
422 { 510 {
423 SV *rv = &PL_sv_undef; 511 SV *rv = &PL_sv_undef;
424 512
513#ifndef _WIN32
425 if (req->result >= 0) 514 if (req->result >= 0)
426 { 515 {
427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 516 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428 HV *hv = newHV (); 517 HV *hv = newHV ();
518 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
519 * chooses to make it a struct.
520 */
521 unsigned long fsid = 0;
522 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
429 523
430 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 524 rv = sv_2mortal (newRV_noinc ((SV *)hv));
431 525
432 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 526 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
433 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 527 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
435 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 529 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
436 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 530 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
437 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 531 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
438 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 532 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
439 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 533 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 534 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
441 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 535 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 536 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443 } 537 }
538#endif
444 539
445 PUSHs (rv); 540 PUSHs (rv);
446 } 541 }
447 542
448 break; 543 break;
464 case EIO_NOP: 559 case EIO_NOP:
465 case EIO_BUSY: 560 case EIO_BUSY:
466 break; 561 break;
467 562
468 case EIO_READLINK: 563 case EIO_READLINK:
564 case EIO_REALPATH:
469 if (req->result > 0) 565 if (req->result > 0)
470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 566 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471 break; 567 break;
472 568
473 case EIO_STAT: 569 case EIO_STAT:
474 case EIO_LSTAT: 570 case EIO_LSTAT:
475 case EIO_FSTAT: 571 case EIO_FSTAT:
476 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 572 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
573
477 PL_laststatval = req->result; 574 if (!(PL_laststatval = req->result))
575 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 576 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479 PUSHs (sv_2mortal (newSViv (req->result))); 577
578 PUSHs (sv_result);
579 break;
580
581 case EIO_SEEK:
582 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
480 break; 583 break;
481 584
482 case EIO_READ: 585 case EIO_READ:
483 { 586 {
484 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 587 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485 *SvEND (req->sv2) = 0; 588 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2); 589 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2); 590 SvSETMAGIC (req->sv2);
488 PUSHs (sv_2mortal (newSViv (req->result))); 591 PUSHs (sv_result);
489 } 592 }
490 break; 593 break;
491 594
492 case EIO_DUP2: 595 case EIO_CUSTOM:
596 if (req->feed == fiemap)
597 {
598#if HAVE_FIEMAP
599 if (!req->result)
600 {
601 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
602
603 if (fiemap->fm_extent_count)
604 {
605 AV *av = newAV ();
606 int i;
607
608 while (fiemap->fm_mapped_extents)
609 {
610 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
611 AV *ext_av = newAV ();
612
613 av_store (ext_av, 3, newSVuv (extent->fe_flags));
614 av_store (ext_av, 2, newSVval64 (extent->fe_length));
615 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
616 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
617
618 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
619 }
620
621 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
622 }
623 else
624 {
625 SvIV_set (sv_result, fiemap->fm_mapped_extents);
626 PUSHs (sv_result);
627 }
628 }
629#endif
630 }
631 else
632 PUSHs (sv_result);
633 break;
634
635 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493 if (req->result > 0) 636 if (req->result > 0)
494 req->result = 0; 637 SvIV_set (sv_result, 0);
495 /* FALLTHROUGH */ 638 /* FALLTHROUGH */
496 639
497 default: 640 default:
498 PUSHs (sv_2mortal (newSViv (req->result))); 641 PUSHs (sv_result);
499 break; 642 break;
500 } 643 }
501 644
502 errno = req->errorno; 645 errno = req->errorno;
503 646
504 PUTBACK; 647 PUTBACK;
505 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 648 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506 SPAGAIN; 649 SPAGAIN;
507 650
651 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
652 SvREFCNT_dec (sv_result);
653 else
654 sv_result_cache = sv_result;
655
508 FREETMPS; 656 FREETMPS;
509 LEAVE; 657 LEAVE;
510 658
511 PUTBACK; 659 PUTBACK;
512 } 660 }
513 661
514 return !!SvTRUE (ERRSV); 662 return !!SvTRUE (ERRSV);
515} 663}
516 664
665static void
517static void req_destroy (aio_req req) 666req_destroy (aio_req req)
518{ 667{
519 if (req->self) 668 if (req->self)
520 { 669 {
521 sv_unmagic (req->self, PERL_MAGIC_ext); 670 sv_unmagic (req->self, PERL_MAGIC_ext);
522 SvREFCNT_dec (req->self); 671 SvREFCNT_dec (req->self);
523 } 672 }
524 673
525 SvREFCNT_dec (req->sv1); 674 SvREFCNT_dec (req->sv1);
526 SvREFCNT_dec (req->sv2); 675 SvREFCNT_dec (req->sv2);
676 SvREFCNT_dec (req->sv3);
677 SvREFCNT_dec (req->sv4);
527 SvREFCNT_dec (req->callback); 678 SvREFCNT_dec (req->callback);
528 679
529 Safefree (req); 680 free (req);
530} 681}
531 682
683static void
532static void req_cancel_subs (aio_req grp) 684req_cancel_subs (aio_req grp)
533{ 685{
534 aio_req sub;
535
536 if (grp->type != EIO_GROUP) 686 if (grp->type != EIO_GROUP)
537 return; 687 return;
538 688
539 SvREFCNT_dec (grp->sv2); 689 SvREFCNT_dec (grp->sv2);
540 grp->sv2 = 0; 690 grp->sv2 = 0;
541 691
542 eio_grp_cancel (grp); 692 eio_grp_cancel (grp);
543} 693}
544 694
545static void 695static void ecb_cold
546create_respipe (void) 696create_respipe (void)
547{ 697{
548 if (s_epipe_renew (&respipe)) 698 if (s_epipe_renew (&respipe))
549 croak ("IO::AIO: unable to initialize result pipe"); 699 croak ("IO::AIO: unable to initialize result pipe");
550} 700}
551 701
552static void poll_wait (void) 702static void
703poll_wait (void)
553{ 704{
554 while (eio_nreqs ()) 705 while (eio_nreqs ())
555 { 706 {
556 int size; 707 int size;
557 708
558 X_LOCK (reslock); 709 X_LOCK (reslock);
559 size = res_queue.size; 710 size = EIO_POOL->res_queue.size;
560 X_UNLOCK (reslock); 711 X_UNLOCK (reslock);
561 712
562 if (size) 713 if (size)
563 return; 714 return;
564 715
565 etp_maybe_start_thread (); 716 etp_maybe_start_thread (EIO_POOL);
566 717
567 s_epipe_wait (&respipe); 718 s_epipe_wait (&respipe);
568 } 719 }
569} 720}
570 721
571static int poll_cb (void) 722static int
723poll_cb (void)
572{ 724{
573 for (;;) 725 for (;;)
574 { 726 {
575 int res = eio_poll (); 727 int res = eio_poll ();
576 728
582 734
583 poll_wait (); 735 poll_wait ();
584 } 736 }
585} 737}
586 738
587static void atfork_child (void) 739static void ecb_cold
740reinit (void)
588{ 741{
589 create_respipe (); 742 create_respipe ();
743
744 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library");
590} 746}
591 747
592/*****************************************************************************/ 748/*****************************************************************************/
593 749
750#if !_POSIX_MAPPED_FILES
751# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
752# define munmap(addr,length) EIO_ENOSYS ()
753#endif
754
755#if !_POSIX_MEMORY_PROTECTION
756# define mprotect(addr,len,prot) EIO_ENOSYS ()
757#endif
758
594#define MMAP_MAGIC PERL_MAGIC_ext 759#define MMAP_MAGIC PERL_MAGIC_ext
595 760
596static int 761static int ecb_cold
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 762mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 763{
599 int old_errno = errno; 764 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 765 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno; 766 errno = old_errno;
602 767
603 mg->mg_obj = 0; /* just in case */ 768 mg->mg_obj = 0; /* just in case */
604 769
605 SvREADONLY_off (sv); 770 SvREADONLY_off (sv);
771
772 if (SvPVX (sv) != mg->mg_ptr)
773 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
774
606 SvCUR_set (sv, 0); 775 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 776 SvPVX (sv) = 0;
609 SvOK_off (sv); 777 SvOK_off (sv);
610 778
611 return 0; 779 return 0;
612} 780}
622{ 790{
623 SvGETMAGIC (cb_sv); 791 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 792 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 793}
626 794
795static aio_req ecb_noinline
796dreq (SV *callback)
797{
798 SV *cb_cv;
799 aio_req req;
800 int req_pri = next_pri;
801 next_pri = EIO_PRI_DEFAULT;
802
803 cb_cv = get_cb (callback);
804
805 req = calloc (sizeof (*req), 1);
806 if (!req)
807 croak ("out of memory during eio_req allocation");
808
809 req->callback = SvREFCNT_inc (cb_cv);
810 req->pri = req_pri;
811
812 return req;
813}
814
627#define dREQ \ 815#define dREQ \
628 SV *cb_cv; \ 816 aio_req req = dreq (callback); \
629 aio_req req; \
630 int req_pri = next_pri; \
631 next_pri = EIO_PRI_DEFAULT; \
632 \
633 cb_cv = get_cb (callback); \
634 \
635 Newz (0, req, 1, eio_req); \
636 if (!req) \
637 croak ("out of memory during eio_req allocation"); \
638 \
639 req->callback = SvREFCNT_inc (cb_cv); \
640 req->pri = req_pri
641 817
642#define REQ_SEND \ 818#define REQ_SEND \
643 PUTBACK; \ 819 PUTBACK; \
644 req_submit (req); \ 820 req_submit (req); \
645 SPAGAIN; \ 821 SPAGAIN; \
646 \ 822 \
647 if (GIMME_V != G_VOID) \ 823 if (GIMME_V != G_VOID) \
648 XPUSHs (req_sv (req, aio_req_stash)); 824 XPUSHs (req_sv (req, aio_req_stash));
649 825
826ecb_inline void
827req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
828{
829 if (expect_false (SvROK (path)))
830 {
831 SV *rv = SvRV (path);
832 SV *wdob;
833
834 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
835 {
836 path = AvARRAY (rv)[1];
837 wdob = AvARRAY (rv)[0];
838
839 if (SvOK (wdob))
840 {
841 *wd = SvAIO_WD (wdob);
842 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
843 }
844 else
845 *wd = EIO_INVALID_WD;
846 }
847 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
848 {
849 *wd = (aio_wd)(long)SvIVX (rv);
850 *wdsv = SvREFCNT_inc_NN (rv);
851 *ptr = ".";
852 return; /* path set to "." */
853 }
854 else
855 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
856 }
857
858 *pathsv = newSVsv (path);
859 *ptr = SvPVbyte_nolen (*pathsv);
860}
861
862static void ecb_noinline
863req_set_path1 (aio_req req, SV *path)
864{
865 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
866}
867
868static void ecb_noinline
869req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
870{
871 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
872
873 switch (SvTYPE (rv))
874 {
875 case SVt_PVIO:
876 case SVt_PVLV:
877 case SVt_PVGV:
878 req->type = type_fh;
879 req->sv1 = newSVsv (fh_or_path);
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 break;
882
883 default:
884 req->type = type_path;
885 req_set_path1 (req, fh_or_path);
886 break;
887 }
888}
889
890XS(boot_IO__AIO) ecb_cold;
891
650MODULE = IO::AIO PACKAGE = IO::AIO 892MODULE = IO::AIO PACKAGE = IO::AIO
651 893
652PROTOTYPES: ENABLE 894PROTOTYPES: ENABLE
653 895
654BOOT: 896BOOT:
658 IV iv; 900 IV iv;
659 } *civ, const_iv[] = { 901 } *civ, const_iv[] = {
660# define const_niv(name, value) { # name, (IV) value }, 902# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name }, 903# define const_iv(name) { # name, (IV) name },
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 904# define const_eio(name) { # name, (IV) EIO_ ## name },
905
906 /* you have to re-run ./gendef0 after adding/removing any constants here */
907 /* the first block can be undef if missing */
908 const_iv (ENOSYS)
663 const_iv (EXDEV) 909 const_iv (EXDEV)
664 const_iv (ENOSYS) 910 const_iv (EBADR)
665 const_iv (O_RDONLY) 911
666 const_iv (O_WRONLY) 912 /* for lseek */
667 const_iv (O_CREAT) 913 const_iv (SEEK_DATA)
668 const_iv (O_TRUNC)
669#ifndef _WIN32
670 const_iv (S_IFIFO) 914 const_iv (SEEK_HOLE)
671#endif 915
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 916 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 917 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 918 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 919 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 920 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 921 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
922
923 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
924 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928
929 /* the second block will be 0 when missing */
930 const_iv (O_RDONLY)
931 const_iv (O_WRONLY)
932 const_iv (O_RDWR)
933 const_iv (O_CREAT)
934 const_iv (O_TRUNC)
935 const_iv (O_EXCL)
936 const_iv (O_APPEND)
937
938 const_iv (O_ASYNC)
939 const_iv (O_DIRECT)
940 const_iv (O_NOATIME)
941
942 const_iv (O_CLOEXEC)
943 const_iv (O_NOCTTY)
944 const_iv (O_NOFOLLOW)
945 const_iv (O_NONBLOCK)
946 const_iv (O_EXEC)
947 const_iv (O_SEARCH)
948 const_iv (O_DIRECTORY)
949 const_iv (O_DSYNC)
950 const_iv (O_RSYNC)
951 const_iv (O_SYNC)
952 const_iv (O_PATH)
953 const_iv (O_TMPFILE)
954 const_iv (O_TTY_INIT)
955
956 const_iv (S_IFIFO)
957 const_iv (S_IFCHR)
958 const_iv (S_IFBLK)
959 const_iv (S_IFLNK)
960 const_iv (S_IFREG)
961 const_iv (S_IFDIR)
962 const_iv (S_IFWHT)
963 const_iv (S_IFSOCK)
964 const_iv (S_IFMT)
678 965
679 const_iv (ST_RDONLY) 966 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 967 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 968 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 969 const_iv (ST_NOEXEC)
687 const_iv (ST_IMMUTABLE) 974 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 975 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 976 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 977 const_iv (ST_RELATIME)
691 978
979 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 980 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 981 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 982 const_iv (PROT_WRITE)
696 983
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 984 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED) 985 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED)
700 const_iv (MAP_ANONYMOUS) 987 const_iv (MAP_ANONYMOUS)
701 988
702 /* linuxish */ 989 /* linuxish */
703 const_iv (MAP_HUGETLB) 990 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED) 991 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 992 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 993 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 994 const_iv (MAP_NONBLOCK)
995 const_iv (MAP_GROWSDOWN)
996 const_iv (MAP_32BIT)
997 const_iv (MAP_HUGETLB)
998 const_iv (MAP_STACK)
708 999
1000 const_iv (FIEMAP_FLAG_SYNC)
1001 const_iv (FIEMAP_FLAG_XATTR)
1002 const_iv (FIEMAP_FLAGS_COMPAT)
1003 const_iv (FIEMAP_EXTENT_LAST)
1004 const_iv (FIEMAP_EXTENT_UNKNOWN)
1005 const_iv (FIEMAP_EXTENT_DELALLOC)
1006 const_iv (FIEMAP_EXTENT_ENCODED)
1007 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1008 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1009 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1010 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1011 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1012 const_iv (FIEMAP_EXTENT_MERGED)
1013 const_iv (FIEMAP_EXTENT_SHARED)
1014
1015 const_iv (SPLICE_F_MOVE)
1016 const_iv (SPLICE_F_NONBLOCK)
1017 const_iv (SPLICE_F_MORE)
1018 const_iv (SPLICE_F_GIFT)
1019
1020 /* these are libeio constants, and are independent of gendef0 */
1021 const_eio (SEEK_SET)
1022 const_eio (SEEK_CUR)
1023 const_eio (SEEK_END)
1024
709 const_iv (MCL_FUTURE) 1025 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 1026 const_eio (MCL_CURRENT)
711 1027
712 const_eio (MS_ASYNC) 1028 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 1029 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 1030 const_eio (MS_SYNC)
715 1031
716 const_eio (MT_MODIFY) 1032 const_eio (MT_MODIFY)
717 1033
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1034 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 1035 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1036 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1037
1038 const_eio (FALLOC_FL_KEEP_SIZE)
1039 const_eio (FALLOC_FL_PUNCH_HOLE)
1040 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1041 const_eio (FALLOC_FL_ZERO_RANGE)
721 1042
722 const_eio (READDIR_DENTS) 1043 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 1044 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 1045 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 1046 const_eio (READDIR_FOUND_UNKNOWN)
736 }; 1057 };
737 1058
738 aio_stash = gv_stashpv ("IO::AIO" , 1); 1059 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1060 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1061 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1062 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741 1063
742 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1064 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1065 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744 1066
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1067 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746 1068
747 create_respipe (); 1069 reinit ();
748
749 if (eio_init (want_poll, done_poll) < 0)
750 croak ("IO::AIO: unable to initialise eio library");
751
752 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child);
754} 1070}
755 1071
756void 1072void
1073reinit ()
1074 PROTOTYPE:
1075
1076void
757max_poll_reqs (int nreqs) 1077max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 1078 PROTOTYPE: $
759 CODE: 1079 CODE:
760 eio_set_max_poll_reqs (nreqs); 1080 eio_set_max_poll_reqs (nreqs);
761 1081
762void 1082void
764 PROTOTYPE: $ 1084 PROTOTYPE: $
765 CODE: 1085 CODE:
766 eio_set_max_poll_time (nseconds); 1086 eio_set_max_poll_time (nseconds);
767 1087
768void 1088void
769min_parallel (int nthreads) 1089min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 1090 PROTOTYPE: $
771 CODE: 1091 CODE:
772 eio_set_min_parallel (nthreads); 1092 eio_set_min_parallel (nthreads);
773 1093
774void 1094void
775max_parallel (int nthreads) 1095max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 1096 PROTOTYPE: $
777 CODE: 1097 CODE:
778 eio_set_max_parallel (nthreads); 1098 eio_set_max_parallel (nthreads);
779 1099
780void 1100void
781max_idle (int nthreads) 1101max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 1102 PROTOTYPE: $
783 CODE: 1103 CODE:
784 eio_set_max_idle (nthreads); 1104 eio_set_max_idle (nthreads);
785 1105
786void 1106void
1107idle_timeout (unsigned int seconds)
1108 PROTOTYPE: $
1109 CODE:
1110 eio_set_idle_timeout (seconds);
1111
1112void
787max_outstanding (int maxreqs) 1113max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 1114 PROTOTYPE: $
789 CODE: 1115 CODE:
790 max_outstanding = maxreqs; 1116 max_outstanding = maxreqs;
791 1117
792void 1118void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1119aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1120 PPCODE:
796{ 1121{
797 dREQ; 1122 dREQ;
798 1123
1124 req->type = EIO_WD_OPEN;
1125 req_set_path1 (req, pathname);
1126
1127 REQ_SEND;
1128}
1129
1130void
1131aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1132 PPCODE:
1133{
1134 dREQ;
1135
799 req->type = EIO_OPEN; 1136 req->type = EIO_OPEN;
800 req->sv1 = newSVsv (pathname); 1137 req_set_path1 (req, pathname);
801 req->ptr1 = SvPVbyte_nolen (req->sv1);
802 req->int1 = flags; 1138 req->int1 = flags;
803 req->int2 = mode; 1139 req->int2 = mode;
804 1140
805 REQ_SEND; 1141 REQ_SEND;
806} 1142}
807 1143
808void 1144void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1145aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 1146 ALIAS:
812 aio_fsync = EIO_FSYNC 1147 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 1148 aio_fdatasync = EIO_FDATASYNC
1149 aio_syncfs = EIO_SYNCFS
814 PPCODE: 1150 PPCODE:
815{ 1151{
816 int fd = s_fileno_croak (fh, 0); 1152 int fd = s_fileno_croak (fh, 0);
817 dREQ; 1153 dREQ;
818 1154
819 req->type = ix; 1155 req->type = ix;
820 req->sv1 = newSVsv (fh); 1156 req->sv1 = newSVsv (fh);
821 req->int1 = fd; 1157 req->int1 = fd;
822 1158
823 REQ_SEND (req); 1159 REQ_SEND;
824} 1160}
825 1161
826void 1162void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1163aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1164 PPCODE:
830{ 1165{
831 int fd = s_fileno_croak (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1167 dREQ;
833 1168
834 req->type = EIO_SYNC_FILE_RANGE; 1169 req->type = EIO_SYNC_FILE_RANGE;
835 req->sv1 = newSVsv (fh); 1170 req->sv1 = newSVsv (fh);
836 req->int1 = fd; 1171 req->int1 = fd;
837 req->offs = offset; 1172 req->offs = offset;
838 req->size = nbytes; 1173 req->size = nbytes;
839 req->int2 = flags; 1174 req->int2 = flags;
840 1175
841 REQ_SEND (req); 1176 REQ_SEND;
842} 1177}
843 1178
844void 1179void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1180aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1181 PPCODE:
848{ 1182{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1183 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1184 dREQ;
852 1185
853 if (close_pipe < 0) 1186 req->type = EIO_FALLOCATE;
1187 req->sv1 = newSVsv (fh);
1188 req->int1 = fd;
1189 req->int2 = mode;
1190 req->offs = offset;
1191 req->size = len;
1192
1193 REQ_SEND;
1194}
1195
1196void
1197aio_close (SV *fh, SV *callback = &PL_sv_undef)
1198 PPCODE:
1199{
1200 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1201 int fd = s_fileno_croak (fh, 0);
1202 dREQ;
1203
1204 if (expect_false (close_fd < 0))
854 { 1205 {
855 int pipefd [2]; 1206 int pipefd [2];
856 1207
1208 if (
1209#ifdef _WIN32
1210 _pipe (pipefd, 1, _O_BINARY) < 0
1211#else
857 if (pipe (pipefd) < 0 1212 pipe (pipefd) < 0
858 || close (pipefd [1]) < 0
859 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1213 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1214#endif
1215 || close (pipefd [1]) < 0
1216 )
860 abort (); /*D*/ 1217 abort (); /*D*/
861 1218
862 close_pipe = pipefd [0]; 1219 close_fd = pipefd [0];
863 } 1220 }
864 1221
865 req->type = EIO_DUP2; 1222 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1223 req->int1 = close_fd;
867 req->sv2 = newSVsv (fh); 1224 req->sv2 = newSVsv (fh);
868 req->int2 = fd; 1225 req->int2 = fd;
869 1226
870 REQ_SEND (req); 1227 REQ_SEND;
871} 1228}
872 1229
873void 1230void
1231aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1232 PPCODE:
1233{
1234 int fd = s_fileno_croak (fh, 0);
1235 dREQ;
1236
1237 req->type = EIO_SEEK;
1238 req->sv1 = newSVsv (fh);
1239 req->int1 = fd;
1240 req->offs = SvVAL64 (offset);
1241 req->int2 = whence;
1242
1243 REQ_SEND;
1244}
1245
1246void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1247aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
875 ALIAS: 1248 ALIAS:
876 aio_read = EIO_READ 1249 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1250 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1251 PPCODE:
880{ 1252{
881 STRLEN svlen; 1253 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1254 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1255 char *svptr = SvPVbyte (data, svlen);
896 len = svlen - dataoffset; 1268 len = svlen - dataoffset;
897 } 1269 }
898 else 1270 else
899 { 1271 {
900 /* read: check type and grow scalar as necessary */ 1272 /* read: check type and grow scalar as necessary */
901 SvUPGRADE (data, SVt_PV); 1273 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
902 svptr = SvGROW (data, len + dataoffset + 1); 1274 svptr = sv_grow (data, len + dataoffset + 1);
1275 else if (SvCUR (data) < len + dataoffset)
1276 croak ("length + dataoffset outside of scalar, and cannot grow");
903 } 1277 }
904 1278
905 { 1279 {
906 dREQ; 1280 dREQ;
907 1281
923 REQ_SEND; 1297 REQ_SEND;
924 } 1298 }
925} 1299}
926 1300
927void 1301void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1302aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
929 PROTOTYPE: $$;$ 1303 ALIAS:
1304 aio_readlink = EIO_READLINK
1305 aio_realpath = EIO_REALPATH
930 PPCODE: 1306 PPCODE:
931{ 1307{
932 SV *data;
933 dREQ; 1308 dREQ;
934 1309
935 req->type = EIO_READLINK; 1310 req->type = ix;
936 req->sv1 = newSVsv (path); 1311 req_set_path1 (req, pathname);
937 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1312
939 REQ_SEND; 1313 REQ_SEND;
940} 1314}
941 1315
942void 1316void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1317aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1318 PPCODE:
946{ 1319{
947 int ifd = s_fileno_croak (in_fh , 0); 1320 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1321 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1322 dREQ;
950 1323
951 req->type = EIO_SENDFILE; 1324 req->type = EIO_SENDFILE;
952 req->sv1 = newSVsv (out_fh); 1325 req->sv1 = newSVsv (out_fh);
953 req->int1 = ofd; 1326 req->int1 = ofd;
958 1331
959 REQ_SEND; 1332 REQ_SEND;
960} 1333}
961 1334
962void 1335void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1336aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1337 PPCODE:
966{ 1338{
967 int fd = s_fileno_croak (fh, 0); 1339 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1340 dREQ;
969 1341
970 req->type = EIO_READAHEAD; 1342 req->type = EIO_READAHEAD;
971 req->sv1 = newSVsv (fh); 1343 req->sv1 = newSVsv (fh);
972 req->int1 = fd; 1344 req->int1 = fd;
975 1347
976 REQ_SEND; 1348 REQ_SEND;
977} 1349}
978 1350
979void 1351void
980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1352aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
981 ALIAS: 1353 ALIAS:
982 aio_stat = EIO_STAT 1354 aio_stat = EIO_STAT
983 aio_lstat = EIO_LSTAT 1355 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS 1356 aio_statvfs = EIO_STATVFS
985 PPCODE: 1357 PPCODE:
986{ 1358{
987 dREQ; 1359 dREQ;
988 1360
989 req->sv1 = newSVsv (fh_or_path); 1361 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991 if (SvPOK (req->sv1))
992 {
993 req->type = ix;
994 req->ptr1 = SvPVbyte_nolen (req->sv1);
995 }
996 else
997 {
998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000 }
1001 1362
1002 REQ_SEND; 1363 REQ_SEND;
1003} 1364}
1004 1365
1366UV
1367major (UV dev)
1368 ALIAS:
1369 minor = 1
1370 CODE:
1371 RETVAL = ix ? major (dev) : minor (dev);
1372 OUTPUT:
1373 RETVAL
1374
1375UV
1376makedev (UV maj, UV min)
1377 CODE:
1378 RETVAL = makedev (maj, min);
1379 OUTPUT:
1380 RETVAL
1381
1005void 1382void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1383aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1007 PPCODE: 1384 PPCODE:
1008{ 1385{
1009 dREQ; 1386 dREQ;
1010 1387
1011 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1388 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1389 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013 req->sv1 = newSVsv (fh_or_path); 1390 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015 if (SvPOK (req->sv1))
1016 {
1017 req->type = EIO_UTIME;
1018 req->ptr1 = SvPVbyte_nolen (req->sv1);
1019 }
1020 else
1021 {
1022 req->type = EIO_FUTIME;
1023 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024 }
1025 1391
1026 REQ_SEND; 1392 REQ_SEND;
1027} 1393}
1028 1394
1029void 1395void
1030aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1396aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1031 PPCODE: 1397 PPCODE:
1032{ 1398{
1033 dREQ; 1399 dREQ;
1034 1400
1035 req->sv1 = newSVsv (fh_or_path);
1036 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1401 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037 1402 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038 if (SvPOK (req->sv1))
1039 {
1040 req->type = EIO_TRUNCATE;
1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
1042 }
1043 else
1044 {
1045 req->type = EIO_FTRUNCATE;
1046 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047 }
1048 1403
1049 REQ_SEND; 1404 REQ_SEND;
1050} 1405}
1051 1406
1052void 1407void
1053aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1408aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1054 ALIAS:
1055 aio_chmod = EIO_CHMOD
1056 aio_mkdir = EIO_MKDIR
1057 PPCODE: 1409 PPCODE:
1058{ 1410{
1059 dREQ; 1411 dREQ;
1060 1412
1061 req->int2 = mode; 1413 req->int2 = mode;
1062 req->sv1 = newSVsv (fh_or_path); 1414 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064 if (SvPOK (req->sv1))
1065 {
1066 req->type = ix;
1067 req->ptr1 = SvPVbyte_nolen (req->sv1);
1068 }
1069 else
1070 {
1071 req->type = EIO_FCHMOD;
1072 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073 }
1074 1415
1075 REQ_SEND; 1416 REQ_SEND;
1076} 1417}
1077 1418
1078void 1419void
1079aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1420aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1080 PPCODE: 1421 PPCODE:
1081{ 1422{
1082 dREQ; 1423 dREQ;
1083 1424
1084 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1425 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1426 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086 req->sv1 = newSVsv (fh_or_path); 1427 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088 if (SvPOK (req->sv1))
1089 {
1090 req->type = EIO_CHOWN;
1091 req->ptr1 = SvPVbyte_nolen (req->sv1);
1092 }
1093 else
1094 {
1095 req->type = EIO_FCHOWN;
1096 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097 }
1098 1428
1099 REQ_SEND; 1429 REQ_SEND;
1100} 1430}
1101 1431
1102void 1432void
1103aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1433aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1434 PPCODE:
1105{ 1435{
1106 dREQ; 1436 dREQ;
1107 1437
1108 req->type = EIO_READDIR; 1438 req->type = EIO_READDIR;
1109 req->sv1 = newSVsv (pathname);
1110 req->ptr1 = SvPVbyte_nolen (req->sv1);
1111 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1439 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112 1440
1113 if (flags & EIO_READDIR_DENTS) 1441 if (flags & EIO_READDIR_DENTS)
1114 req->int1 |= EIO_READDIR_CUSTOM2; 1442 req->int1 |= EIO_READDIR_CUSTOM2;
1115 1443
1444 req_set_path1 (req, pathname);
1445
1116 REQ_SEND; 1446 REQ_SEND;
1117} 1447}
1118 1448
1119void 1449void
1450aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1451 PPCODE:
1452{
1453 dREQ;
1454
1455 req->type = EIO_MKDIR;
1456 req->int2 = mode;
1457 req_set_path1 (req, pathname);
1458
1459 REQ_SEND;
1460}
1461
1462void
1120aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1463aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1121 ALIAS: 1464 ALIAS:
1122 aio_unlink = EIO_UNLINK 1465 aio_unlink = EIO_UNLINK
1123 aio_rmdir = EIO_RMDIR 1466 aio_rmdir = EIO_RMDIR
1124 aio_readdir = EIO_READDIR 1467 aio_readdir = EIO_READDIR
1125 PPCODE: 1468 PPCODE:
1126{ 1469{
1127 dREQ; 1470 dREQ;
1128 1471
1129 req->type = ix; 1472 req->type = ix;
1130 req->sv1 = newSVsv (pathname); 1473 req_set_path1 (req, pathname);
1131 req->ptr1 = SvPVbyte_nolen (req->sv1);
1132 1474
1133 REQ_SEND; 1475 REQ_SEND;
1134} 1476}
1135 1477
1136void 1478void
1137aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1479aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1138 ALIAS: 1480 ALIAS:
1139 aio_link = EIO_LINK 1481 aio_link = EIO_LINK
1140 aio_symlink = EIO_SYMLINK 1482 aio_symlink = EIO_SYMLINK
1141 aio_rename = EIO_RENAME 1483 aio_rename = EIO_RENAME
1142 PPCODE: 1484 PPCODE:
1143{ 1485{
1486 eio_wd wd2 = 0;
1144 dREQ; 1487 dREQ;
1145 1488
1146 req->type = ix; 1489 req->type = ix;
1147 req->sv1 = newSVsv (oldpath); 1490 req_set_path1 (req, oldpath);
1148 req->ptr1 = SvPVbyte_nolen (req->sv1); 1491 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149 req->sv2 = newSVsv (newpath); 1492 req->int3 = (long)wd2;
1150 req->ptr2 = SvPVbyte_nolen (req->sv2);
1151 1493
1152 REQ_SEND; 1494 REQ_SEND;
1153} 1495}
1154 1496
1155void 1497void
1156aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1498aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1157 PPCODE: 1499 PPCODE:
1158{ 1500{
1159 dREQ; 1501 dREQ;
1160 1502
1161 req->type = EIO_MKNOD; 1503 req->type = EIO_MKNOD;
1162 req->sv1 = newSVsv (pathname);
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 req->int2 = (mode_t)mode; 1504 req->int2 = (mode_t)mode;
1165 req->offs = dev; 1505 req->offs = dev;
1506 req_set_path1 (req, pathname);
1166 1507
1167 REQ_SEND; 1508 REQ_SEND;
1168} 1509}
1169 1510
1170void 1511void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1512aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1172 ALIAS: 1513 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1514 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1515 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1516 PPCODE:
1177{ 1517{
1178 STRLEN svlen; 1518 STRLEN svlen;
1519 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1520 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1521
1182 if (offset < 0) 1522 if (offset < 0)
1183 offset += svlen; 1523 offset += svlen;
1184 1524
1185 if (offset < 0 || offset > svlen) 1525 if (offset < 0 || offset > svlen)
1190 1530
1191 { 1531 {
1192 dREQ; 1532 dREQ;
1193 1533
1194 req->type = ix; 1534 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1535 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1536 req->ptr2 = (char *)svptr + offset;
1537 req->size = len;
1198 req->int1 = flags; 1538 req->int1 = flags;
1199 1539
1200 REQ_SEND; 1540 REQ_SEND;
1201 } 1541 }
1202} 1542}
1203 1543
1204void 1544void
1545aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1546 PPCODE:
1547{
1548 STRLEN svlen;
1549 char *svptr = SvPVbyte (data, svlen);
1550 UV len = SvUV (length);
1551
1552 if (offset < 0)
1553 offset += svlen;
1554
1555 if (offset < 0 || offset > svlen)
1556 croak ("offset outside of scalar");
1557
1558 if (!SvOK (length) || len + offset > svlen)
1559 len = svlen - offset;
1560
1561 {
1562 dREQ;
1563
1564 req->type = EIO_MLOCK;
1565 req->sv2 = SvREFCNT_inc (data);
1566 req->ptr2 = (char *)svptr + offset;
1567 req->size = len;
1568
1569 REQ_SEND;
1570 }
1571}
1572
1573void
1574aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1575 PPCODE:
1576{
1577 dREQ;
1578
1579 req->type = EIO_MLOCKALL;
1580 req->int1 = flags;
1581
1582 REQ_SEND;
1583}
1584
1585void
1586aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1587 PPCODE:
1588{
1589 int fd = s_fileno_croak (fh, 0);
1590 dREQ;
1591
1592 req->type = EIO_CUSTOM;
1593 req->sv1 = newSVsv (fh);
1594 req->int1 = fd;
1595
1596 req->feed = fiemap;
1597#if HAVE_FIEMAP
1598 /* keep our fingers crossed that the next two types are 64 bit */
1599 req->offs = start;
1600 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1601 req->int2 = flags;
1602 req->int3 = SvOK (count) ? SvIV (count) : -1;
1603#endif
1604
1605 REQ_SEND;
1606}
1607
1608void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1609aio_busy (double delay, SV *callback = &PL_sv_undef)
1206 PPCODE: 1610 PPCODE:
1207{ 1611{
1208 dREQ; 1612 dREQ;
1209 1613
1210 req->type = EIO_BUSY; 1614 req->type = EIO_BUSY;
1212 1616
1213 REQ_SEND; 1617 REQ_SEND;
1214} 1618}
1215 1619
1216void 1620void
1217aio_group (SV *callback=&PL_sv_undef) 1621aio_group (SV *callback = &PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1622 PPCODE:
1220{ 1623{
1221 dREQ; 1624 dREQ;
1222 1625
1223 req->type = EIO_GROUP; 1626 req->type = EIO_GROUP;
1224 1627
1628 PUTBACK;
1225 req_submit (req); 1629 req_submit (req);
1630 SPAGAIN;
1631
1226 XPUSHs (req_sv (req, aio_grp_stash)); 1632 XPUSHs (req_sv (req, aio_grp_stash));
1227} 1633}
1228 1634
1229void 1635void
1230aio_nop (SV *callback=&PL_sv_undef) 1636aio_nop (SV *callback = &PL_sv_undef)
1231 ALIAS: 1637 ALIAS:
1232 aio_nop = EIO_NOP 1638 aio_nop = EIO_NOP
1233 aio_sync = EIO_SYNC 1639 aio_sync = EIO_SYNC
1234 PPCODE: 1640 PPCODE:
1235{ 1641{
1239 1645
1240 REQ_SEND; 1646 REQ_SEND;
1241} 1647}
1242 1648
1243int 1649int
1244aioreq_pri (int pri = 0) 1650aioreq_pri (int pri = NO_INIT)
1245 PROTOTYPE: ;$
1246 CODE: 1651 CODE:
1247 RETVAL = next_pri; 1652 RETVAL = next_pri;
1248 if (items > 0) 1653 if (items > 0)
1249 { 1654 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1655 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1667 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1668 next_pri = nice;
1264 1669
1265void 1670void
1266flush () 1671flush ()
1267 PROTOTYPE:
1268 CODE: 1672 CODE:
1269 while (eio_nreqs ()) 1673 while (eio_nreqs ())
1270 { 1674 {
1271 poll_wait (); 1675 poll_wait ();
1272 poll_cb (); 1676 poll_cb ();
1273 } 1677 }
1274 1678
1275int 1679int
1276poll() 1680poll ()
1277 PROTOTYPE:
1278 CODE: 1681 CODE:
1279 poll_wait (); 1682 poll_wait ();
1280 RETVAL = poll_cb (); 1683 RETVAL = poll_cb ();
1281 OUTPUT: 1684 OUTPUT:
1282 RETVAL 1685 RETVAL
1283 1686
1284int 1687int
1285poll_fileno() 1688poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1689 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1690 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1691 OUTPUT:
1290 RETVAL 1692 RETVAL
1291 1693
1292int 1694int
1293poll_cb(...) 1695poll_cb (...)
1294 PROTOTYPE: 1696 PROTOTYPE:
1295 CODE: 1697 CODE:
1296 RETVAL = poll_cb (); 1698 RETVAL = poll_cb ();
1297 OUTPUT: 1699 OUTPUT:
1298 RETVAL 1700 RETVAL
1299 1701
1300void 1702void
1301poll_wait() 1703poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1704 CODE:
1304 poll_wait (); 1705 poll_wait ();
1305 1706
1306int 1707int
1307nreqs() 1708nreqs ()
1308 PROTOTYPE:
1309 CODE: 1709 CODE:
1310 RETVAL = eio_nreqs (); 1710 RETVAL = eio_nreqs ();
1311 OUTPUT: 1711 OUTPUT:
1312 RETVAL 1712 RETVAL
1313 1713
1314int 1714int
1315nready() 1715nready ()
1316 PROTOTYPE:
1317 CODE: 1716 CODE:
1318 RETVAL = eio_nready (); 1717 RETVAL = eio_nready ();
1319 OUTPUT: 1718 OUTPUT:
1320 RETVAL 1719 RETVAL
1321 1720
1322int 1721int
1323npending() 1722npending ()
1324 PROTOTYPE:
1325 CODE: 1723 CODE:
1326 RETVAL = eio_npending (); 1724 RETVAL = eio_npending ();
1327 OUTPUT: 1725 OUTPUT:
1328 RETVAL 1726 RETVAL
1329 1727
1330int 1728int
1331nthreads() 1729nthreads ()
1332 PROTOTYPE:
1333 CODE: 1730 CODE:
1334 RETVAL = eio_nthreads (); 1731 RETVAL = eio_nthreads ();
1335 OUTPUT: 1732 OUTPUT:
1336 RETVAL 1733 RETVAL
1337 1734
1338int 1735int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1736fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1737 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1738 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1739 OUTPUT:
1348 RETVAL 1740 RETVAL
1349 1741
1350ssize_t 1742IV
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1743sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1744 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1745 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1746 OUTPUT:
1356 RETVAL 1747 RETVAL
1357 1748
1358void 1749void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1750mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1751 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1752 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1753{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1754 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1755 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1756 if (addr == (void *)-1)
1367 XSRETURN_NO; 1757 XSRETURN_NO;
1368 1758
1759 sv_force_normal (scalar);
1760
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1761 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1762 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1763 ->mg_obj = (SV *)length;
1372 1764
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1765 SvUPGRADE (scalar, SVt_PV); /* nop... */
1766
1374 if (!(prot & PROT_WRITE)) 1767 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1768 SvREADONLY_on (scalar);
1769
1770 if (SvLEN (scalar))
1771 Safefree (SvPVX (scalar));
1376 1772
1377 SvPVX (scalar) = (char *)addr; 1773 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1774 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1775 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1776 SvPOK_only (scalar);
1382 XSRETURN_YES; 1778 XSRETURN_YES;
1383} 1779}
1384 1780
1385void 1781void
1386munmap (SV *scalar) 1782munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1783 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1784 sv_unmagic (scalar, MMAP_MAGIC);
1390 1785
1391int 1786int
1392mlockall (int flags) 1787madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1788 ALIAS:
1789 mprotect = 1
1394 CODE: 1790 CODE:
1791{
1792 STRLEN svlen;
1793 void *addr = SvPVbyte (scalar, svlen);
1794 STRLEN len = SvUV (length);
1795
1796 if (offset < 0)
1797 offset += svlen;
1798
1799 if (offset < 0 || offset > svlen)
1800 croak ("offset outside of scalar");
1801
1802 if (!SvOK (length) || len + offset > svlen)
1803 len = svlen - offset;
1804
1805 addr = (void *)(((intptr_t)addr) + offset);
1806 eio_page_align (&addr, &len);
1807
1808 switch (ix)
1809 {
1810 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1811 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1812 }
1813}
1814 OUTPUT:
1815 RETVAL
1816
1817int
1818munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1819 CODE:
1820{
1821 STRLEN svlen;
1822 void *addr = SvPVbyte (scalar, svlen);
1823 size_t len = SvUV (length);
1824
1825 if (offset < 0)
1826 offset += svlen;
1827
1828 if (offset < 0 || offset > svlen)
1829 croak ("offset outside of scalar");
1830
1831 if (!SvOK (length) || len + offset > svlen)
1832 len = svlen - offset;
1833
1834 addr = (void *)(((intptr_t)addr) + offset);
1835 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1836#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1837 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 1838#else
1402 RETVAL = -1; 1839 RETVAL = EIO_ENOSYS ();
1403 errno = ENOSYS;
1404#endif 1840#endif
1841}
1405 OUTPUT: 1842 OUTPUT:
1406 RETVAL 1843 RETVAL
1407 1844
1408int 1845int
1409munlockall () 1846munlockall ()
1410 PROTOTYPE:
1411 CODE: 1847 CODE:
1412#if _POSIX_MEMLOCK 1848#if _POSIX_MEMLOCK
1413 munlockall (); 1849 munlockall ();
1414#else 1850#else
1415 RETVAL = -1; 1851 RETVAL = EIO_ENOSYS ();
1416 errno = ENOSYS;
1417#endif 1852#endif
1418 OUTPUT: 1853 OUTPUT:
1419 RETVAL 1854 RETVAL
1855
1856int
1857splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1858 CODE:
1859{
1860#if HAVE_LINUX_SPLICE
1861 loff_t off_in_, off_out_;
1862 RETVAL = splice (
1863 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1864 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1865 length, flags
1866 );
1867#else
1868 RETVAL = EIO_ENOSYS ();
1869#endif
1870}
1871 OUTPUT:
1872 RETVAL
1873
1874int
1875tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1876 CODE:
1877#if HAVE_LINUX_SPLICE
1878 RETVAL = tee (rfh, wfh, length, flags);
1879#else
1880 RETVAL = EIO_ENOSYS ();
1881#endif
1882 OUTPUT:
1883 RETVAL
1884
1885int
1886pipesize (aio_rfd rfh, int new_size = -1)
1887 PROTOTYPE: $;$
1888 CODE:
1889#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1890 if (new_size >= 0)
1891 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1892 else
1893 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1894#else
1895 errno = ENOSYS;
1896 RETVAL = -1;
1897#endif
1898 OUTPUT:
1899 RETVAL
1900
1901void
1902pipe2 (int flags = 0)
1903 PROTOTYPE: ;$
1904 PPCODE:
1905{
1906 int fd[2];
1907 int res;
1908
1909 if (flags)
1910#if HAVE_PIPE2
1911 res = pipe2 (fd, flags);
1912#else
1913 res = (errno = ENOSYS, -1);
1914#endif
1915 else
1916 res = pipe (fd);
1917
1918 if (!res)
1919 {
1920 EXTEND (SP, 2);
1921 PUSHs (newmortalFH (fd[0], O_RDONLY));
1922 PUSHs (newmortalFH (fd[1], O_WRONLY));
1923 }
1924}
1420 1925
1421void _on_next_submit (SV *cb) 1926void _on_next_submit (SV *cb)
1422 CODE: 1927 CODE:
1423 SvREFCNT_dec (on_next_submit); 1928 SvREFCNT_dec (on_next_submit);
1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1929 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425 1930
1426PROTOTYPES: DISABLE 1931PROTOTYPES: DISABLE
1427 1932
1933MODULE = IO::AIO PACKAGE = IO::AIO::WD
1934
1935BOOT:
1936{
1937 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1938 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1939}
1940
1941void
1942DESTROY (SV *self)
1943 CODE:
1944{
1945 aio_wd wd = SvAIO_WD (self);
1946#if HAVE_AT
1947 {
1948 SV *callback = &PL_sv_undef;
1949 dREQ; /* clobbers next_pri :/ */
1950 next_pri = req->pri; /* restore next_pri */
1951 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1952 req->type = EIO_WD_CLOSE;
1953 req->wd = wd;
1954 REQ_SEND;
1955 }
1956#else
1957 eio_wd_close_sync (wd);
1958#endif
1959}
1960
1428MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1961MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429 1962
1430void 1963void
1431cancel (aio_req_ornot req) 1964cancel (aio_req_ornot req)
1432 CODE: 1965 CODE:
1433 eio_cancel (req); 1966 eio_cancel (req);
1434 1967
1435void 1968void
1436cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1969cb (aio_req_ornot req, SV *callback = NO_INIT)
1437 PPCODE: 1970 PPCODE:
1438{ 1971{
1439 if (GIMME_V != G_VOID) 1972 if (GIMME_V != G_VOID)
1440 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1973 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1441 1974
1442 if (items > 1) 1975 if (items > 1)
1443 { 1976 {
1444 SV *cb_cv =get_cb (callback); 1977 SV *cb_cv = get_cb (callback);
1445 1978
1446 SvREFCNT_dec (req->callback); 1979 SvREFCNT_dec (req->callback);
1447 req->callback = SvREFCNT_inc (cb_cv); 1980 req->callback = SvREFCNT_inc (cb_cv);
1448 } 1981 }
1449} 1982}
1506limit (aio_req grp, int limit) 2039limit (aio_req grp, int limit)
1507 CODE: 2040 CODE:
1508 eio_grp_limit (grp, limit); 2041 eio_grp_limit (grp, limit);
1509 2042
1510void 2043void
1511feed (aio_req grp, SV *callback=&PL_sv_undef) 2044feed (aio_req grp, SV *callback = &PL_sv_undef)
1512 CODE: 2045 CODE:
1513{ 2046{
1514 SvREFCNT_dec (grp->sv2); 2047 SvREFCNT_dec (grp->sv2);
1515 grp->sv2 = newSVsv (callback); 2048 grp->sv2 = newSVsv (callback);
1516 grp->feed = aio_grp_feed; 2049 grp->feed = aio_grp_feed;

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