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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 2010 UTC vs.
Revision 1.238 by root, Thu Jan 21 23:04:46 2016 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. 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
23#endif 35#endif
24 36
25/* perl namespace pollution */ 37/* perl namespace pollution */
26#undef VERSION 38#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 39
77/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
79#undef readdir 42#undef readdir
80#undef opendir 43#undef opendir
81#undef closedir 44#undef closedir
82 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
83#define EIO_STRUCT_STAT Stat_t 81 #define EIO_STRUCT_STATI64
84 82
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 83#else
91# define VAL64 NV 84
92# define SvVAL64 SvNV 85 #include <sys/time.h>
93# 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
94#endif 93#endif
95 94
96/*****************************************************************************/ 95/*****************************************************************************/
97 96
98#if __GNUC__ >= 3 97#if __GNUC__ >= 3
108 107
109typedef SV SV8; /* byte-sv, used for argument-checking */ 108typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 109typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 110typedef int aio_wfd; /* write file descriptor */
112 111
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 113
115#define EIO_REQ_MEMBERS \ 114#define EIO_REQ_MEMBERS \
116 SV *callback; \ 115 SV *callback; \
117 SV *sv1, *sv2; \ 116 SV *sv1, *sv2; \
117 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 118 STRLEN stroffset; \
119 SV *self; 119 SV *self;
120 120
121#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
122 122
123#include "libeio/config.h"
123#include "libeio/eio.h" 124#include "libeio/eio.h"
124 125
125#ifndef POSIX_FADV_NORMAL 126static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 127#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 128static void req_destroy (eio_req *grp);
128#endif 129#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
144 130
145#ifndef ST_NODEV 131#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 132
176#ifndef MCL_CURRENT 133#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 135#endif
179#ifndef MCL_FUTURE 136
180# define MCL_FUTURE 0 137#if !HAVE_POSIX_MADVISE
138# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 139#endif
182 140
183#ifndef MAP_ANONYMOUS 141#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 142# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 143# define MAP_ANONYMOUS MAP_ANON
186# else 144# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 146# endif
189#endif 147#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 148
206#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
207# define PAGESIZE sysconf (_SC_PAGESIZE) 164# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 165#endif
209 166
210static int req_invoke (eio_req *req); 167/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 168
212static void req_destroy (eio_req *grp); 169static void
213#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/*****************************************************************************/
214 266
215enum { 267enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 269};
218 270
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 271typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 272typedef eio_req *aio_req_ornot;
273typedef eio_wd aio_wd;
223 274
224static SV *on_next_submit; 275static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 276static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 277static int max_outstanding;
227 278
228static s_epipe respipe; 279static s_epipe respipe;
229 280
230static void req_destroy (aio_req req); 281static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 282static void req_cancel (aio_req req);
232 283
233static void want_poll (void) 284static void
285want_poll (void)
234{ 286{
235 /* write a dummy byte to the pipe so fh becomes ready */ 287 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 288 s_epipe_signal (&respipe);
237} 289}
238 290
239static void done_poll (void) 291static void
292done_poll (void)
240{ 293{
241 /* read any signals sent by the worker threads */ 294 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 295 s_epipe_drain (&respipe);
243} 296}
244 297
245/* must be called at most once */ 298/* must be called at most once */
299static SV *
246static SV *req_sv (aio_req req, HV *stash) 300req_sv (aio_req req, HV *stash)
247{ 301{
248 if (!req->self) 302 if (!req->self)
249 { 303 {
250 req->self = (SV *)newHV (); 304 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 305 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 306 }
253 307
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 308 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 309}
256 310
257static 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)
258{ 319{
259 MAGIC *mg; 320 MAGIC *mg;
260 321
261 if (!SvROK (sv) 322 if (!SvROK (sv)
323 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 324 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 325 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 326 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 327 croak ("object of class IO::AIO::REQ expected");
266 328
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 329 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 330
269 return mg ? (aio_req)mg->mg_ptr : 0; 331 return mg ? (aio_req)mg->mg_ptr : 0;
270} 332}
271 333
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
272static void aio_grp_feed (aio_req grp) 371aio_grp_feed (aio_req grp)
273{ 372{
274 if (grp->sv2 && SvOK (grp->sv2)) 373 if (grp->sv2 && SvOK (grp->sv2))
275 { 374 {
276 dSP; 375 dSP;
277 376
285 FREETMPS; 384 FREETMPS;
286 LEAVE; 385 LEAVE;
287 } 386 }
288} 387}
289 388
389static void
290static void req_submit (eio_req *req) 390req_submit (eio_req *req)
291{ 391{
292 eio_submit (req); 392 eio_submit (req);
293 393
294 if (expect_false (on_next_submit)) 394 if (expect_false (on_next_submit))
295 { 395 {
302 PUTBACK; 402 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 403 call_sv (cb, G_DISCARD | G_EVAL);
304 } 404 }
305} 405}
306 406
407static int
307static int req_invoke (eio_req *req) 408req_invoke (eio_req *req)
308{ 409{
309 if (req->flags & FLAG_SV2_RO_OFF) 410 if (req->flags & FLAG_SV2_RO_OFF)
310 SvREADONLY_off (req->sv2); 411 SvREADONLY_off (req->sv2);
311 412
312 if (!EIO_CANCELLED (req) && req->callback) 413 if (!EIO_CANCELLED (req) && req->callback)
323 /* do not recreate the result IV from scratch each time */ 424 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache)) 425 if (expect_true (sv_result_cache))
325 { 426 {
326 sv_result = sv_result_cache; sv_result_cache = 0; 427 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result); 428 SvIV_set (sv_result, req->result);
429 SvIOK_only (sv_result);
328 } 430 }
329 else 431 else
330 { 432 {
331 sv_result = newSViv (req->result); 433 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result); 434 SvREADONLY_on (sv_result);
333 } 435 }
334 436
335 switch (req->type) 437 switch (req->type)
336 { 438 {
439 case EIO_WD_OPEN:
440 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
441 break;
442
337 case EIO_READDIR: 443 case EIO_READDIR:
338 { 444 {
339 SV *rv = &PL_sv_undef; 445 SV *rv = &PL_sv_undef;
340 446
341 if (req->result >= 0) 447 if (req->result >= 0)
394 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))));
395 } 501 }
396 break; 502 break;
397 503
398 case EIO_OPEN: 504 case EIO_OPEN:
399 { 505 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
400 /* convert fd to fh */
401 SV *fh = &PL_sv_undef;
402
403 if (req->result >= 0)
404 {
405 GV *gv = (GV *)sv_newmortal ();
406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
407 char sym [64];
408 int symlen;
409
410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411 gv_init (gv, aio_stash, sym, symlen, 0);
412
413 symlen = snprintf (
414 sym,
415 sizeof (sym),
416 "%s&=%d",
417 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418 (int)req->result
419 );
420
421 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422 fh = (SV *)gv;
423 }
424
425 PUSHs (fh);
426 }
427 break; 506 break;
428 507
429 case EIO_STATVFS: 508 case EIO_STATVFS:
430 case EIO_FSTATVFS: 509 case EIO_FSTATVFS:
431 { 510 {
432 SV *rv = &PL_sv_undef; 511 SV *rv = &PL_sv_undef;
433 512
513#ifndef _WIN32
434 if (req->result >= 0) 514 if (req->result >= 0)
435 { 515 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 516 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 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));
438 523
439 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 524 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440 525
441 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);
442 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);
444 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);
445 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);
446 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);
447 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);
448 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);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 534 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450 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);
451 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);
452 } 537 }
538#endif
453 539
454 PUSHs (rv); 540 PUSHs (rv);
455 } 541 }
456 542
457 break; 543 break;
473 case EIO_NOP: 559 case EIO_NOP:
474 case EIO_BUSY: 560 case EIO_BUSY:
475 break; 561 break;
476 562
477 case EIO_READLINK: 563 case EIO_READLINK:
564 case EIO_REALPATH:
478 if (req->result > 0) 565 if (req->result > 0)
479 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 566 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480 break; 567 break;
481 568
482 case EIO_STAT: 569 case EIO_STAT:
483 case EIO_LSTAT: 570 case EIO_LSTAT:
484 case EIO_FSTAT: 571 case EIO_FSTAT:
485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 572 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
573
486 PL_laststatval = req->result; 574 if (!(PL_laststatval = req->result))
575 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 576 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
577
488 PUSHs (sv_result); 578 PUSHs (sv_result);
579 break;
580
581 case EIO_SEEK:
582 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489 break; 583 break;
490 584
491 case EIO_READ: 585 case EIO_READ:
492 { 586 {
493 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));
496 SvSETMAGIC (req->sv2); 590 SvSETMAGIC (req->sv2);
497 PUSHs (sv_result); 591 PUSHs (sv_result);
498 } 592 }
499 break; 593 break;
500 594
501 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 */
502 if (req->result > 0) 636 if (req->result > 0)
503 SvIV_set (sv_result, 0); 637 SvIV_set (sv_result, 0);
504 /* FALLTHROUGH */ 638 /* FALLTHROUGH */
505 639
506 default: 640 default:
526 } 660 }
527 661
528 return !!SvTRUE (ERRSV); 662 return !!SvTRUE (ERRSV);
529} 663}
530 664
665static void
531static void req_destroy (aio_req req) 666req_destroy (aio_req req)
532{ 667{
533 if (req->self) 668 if (req->self)
534 { 669 {
535 sv_unmagic (req->self, PERL_MAGIC_ext); 670 sv_unmagic (req->self, PERL_MAGIC_ext);
536 SvREFCNT_dec (req->self); 671 SvREFCNT_dec (req->self);
537 } 672 }
538 673
539 SvREFCNT_dec (req->sv1); 674 SvREFCNT_dec (req->sv1);
540 SvREFCNT_dec (req->sv2); 675 SvREFCNT_dec (req->sv2);
676 SvREFCNT_dec (req->sv3);
677 SvREFCNT_dec (req->sv4);
541 SvREFCNT_dec (req->callback); 678 SvREFCNT_dec (req->callback);
542 679
543 Safefree (req); 680 free (req);
544} 681}
545 682
683static void
546static void req_cancel_subs (aio_req grp) 684req_cancel_subs (aio_req grp)
547{ 685{
548 aio_req sub;
549
550 if (grp->type != EIO_GROUP) 686 if (grp->type != EIO_GROUP)
551 return; 687 return;
552 688
553 SvREFCNT_dec (grp->sv2); 689 SvREFCNT_dec (grp->sv2);
554 grp->sv2 = 0; 690 grp->sv2 = 0;
555 691
556 eio_grp_cancel (grp); 692 eio_grp_cancel (grp);
557} 693}
558 694
559static void 695static void ecb_cold
560create_respipe (void) 696create_respipe (void)
561{ 697{
562 if (s_epipe_renew (&respipe)) 698 if (s_epipe_renew (&respipe))
563 croak ("IO::AIO: unable to initialize result pipe"); 699 croak ("IO::AIO: unable to initialize result pipe");
564} 700}
565 701
566static void poll_wait (void) 702static void
703poll_wait (void)
567{ 704{
568 while (eio_nreqs ()) 705 while (eio_nreqs ())
569 { 706 {
570 int size; 707 int size;
571 708
572 X_LOCK (reslock); 709 X_LOCK (EIO_POOL->reslock);
573 size = res_queue.size; 710 size = EIO_POOL->res_queue.size;
574 X_UNLOCK (reslock); 711 X_UNLOCK (EIO_POOL->reslock);
575 712
576 if (size) 713 if (size)
577 return; 714 return;
578 715
579 etp_maybe_start_thread (); 716 etp_maybe_start_thread (EIO_POOL);
580 717
581 s_epipe_wait (&respipe); 718 s_epipe_wait (&respipe);
582 } 719 }
583} 720}
584 721
585static int poll_cb (void) 722static int
723poll_cb (void)
586{ 724{
587 for (;;) 725 for (;;)
588 { 726 {
589 int res = eio_poll (); 727 int res = eio_poll ();
590 728
596 734
597 poll_wait (); 735 poll_wait ();
598 } 736 }
599} 737}
600 738
601static void atfork_child (void) 739static void ecb_cold
740reinit (void)
602{ 741{
603 create_respipe (); 742 create_respipe ();
743
744 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library");
604} 746}
605 747
606/*****************************************************************************/ 748/*****************************************************************************/
607 749
608#if !_POSIX_MAPPED_FILES 750#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 751# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
610# define munmap(addr,length) (errno = ENOSYS, -1) 752# define munmap(addr,length) EIO_ENOSYS ()
753#endif
754
755#if !_POSIX_MEMORY_PROTECTION
756# define mprotect(addr,len,prot) EIO_ENOSYS ()
611#endif 757#endif
612 758
613#define MMAP_MAGIC PERL_MAGIC_ext 759#define MMAP_MAGIC PERL_MAGIC_ext
614 760
615static int 761static int ecb_cold
616mmap_free (pTHX_ SV *sv, MAGIC *mg) 762mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{ 763{
618 int old_errno = errno; 764 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 765 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno; 766 errno = old_errno;
621 767
622 mg->mg_obj = 0; /* just in case */ 768 mg->mg_obj = 0; /* just in case */
623 769
624 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
625 SvCUR_set (sv, 0); 775 SvCUR_set (sv, 0);
626 SvLEN_set (sv, 0);
627 SvPVX (sv) = 0; 776 SvPVX (sv) = 0;
628 SvOK_off (sv); 777 SvOK_off (sv);
629 778
630 return 0; 779 return 0;
631} 780}
641{ 790{
642 SvGETMAGIC (cb_sv); 791 SvGETMAGIC (cb_sv);
643 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 792 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644} 793}
645 794
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
646#define dREQ \ 815#define dREQ \
647 SV *cb_cv; \ 816 aio_req req = dreq (callback); \
648 aio_req req; \
649 int req_pri = next_pri; \
650 next_pri = EIO_PRI_DEFAULT; \
651 \
652 cb_cv = get_cb (callback); \
653 \
654 Newz (0, req, 1, eio_req); \
655 if (!req) \
656 croak ("out of memory during eio_req allocation"); \
657 \
658 req->callback = SvREFCNT_inc (cb_cv); \
659 req->pri = req_pri
660 817
661#define REQ_SEND \ 818#define REQ_SEND \
662 PUTBACK; \ 819 PUTBACK; \
663 req_submit (req); \ 820 req_submit (req); \
664 SPAGAIN; \ 821 SPAGAIN; \
665 \ 822 \
666 if (GIMME_V != G_VOID) \ 823 if (GIMME_V != G_VOID) \
667 XPUSHs (req_sv (req, aio_req_stash)); 824 XPUSHs (req_sv (req, aio_req_stash));
668 825
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
669MODULE = IO::AIO PACKAGE = IO::AIO 892MODULE = IO::AIO PACKAGE = IO::AIO
670 893
671PROTOTYPES: ENABLE 894PROTOTYPES: ENABLE
672 895
673BOOT: 896BOOT:
677 IV iv; 900 IV iv;
678 } *civ, const_iv[] = { 901 } *civ, const_iv[] = {
679# define const_niv(name, value) { # name, (IV) value }, 902# define const_niv(name, value) { # name, (IV) value },
680# define const_iv(name) { # name, (IV) name }, 903# define const_iv(name) { # name, (IV) name },
681# 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)
682 const_iv (EXDEV) 909 const_iv (EXDEV)
683 const_iv (ENOSYS) 910 const_iv (EBADR)
911
912 /* for lseek */
913 const_iv (SEEK_DATA)
914 const_iv (SEEK_HOLE)
915
916 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
917 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
918 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
919 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
920 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
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 */
684 const_iv (O_RDONLY) 930 const_iv (O_RDONLY)
685 const_iv (O_WRONLY) 931 const_iv (O_WRONLY)
686 const_iv (O_RDWR) 932 const_iv (O_RDWR)
687 const_iv (O_CREAT) 933 const_iv (O_CREAT)
688 const_iv (O_TRUNC) 934 const_iv (O_TRUNC)
689 const_iv (O_EXCL) 935 const_iv (O_EXCL)
690 const_iv (O_APPEND) 936 const_iv (O_APPEND)
691#ifndef _WIN32 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
692 const_iv (S_IFIFO) 956 const_iv (S_IFIFO)
693#endif 957 const_iv (S_IFCHR)
694 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 958 const_iv (S_IFBLK)
695 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 959 const_iv (S_IFLNK)
696 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 960 const_iv (S_IFREG)
697 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 961 const_iv (S_IFDIR)
698 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 962 const_iv (S_IFWHT)
699 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 963 const_iv (S_IFSOCK)
964 const_iv (S_IFMT)
700 965
701 const_iv (ST_RDONLY) 966 const_iv (ST_RDONLY)
702 const_iv (ST_NOSUID) 967 const_iv (ST_NOSUID)
703 const_iv (ST_NODEV) 968 const_iv (ST_NODEV)
704 const_iv (ST_NOEXEC) 969 const_iv (ST_NOEXEC)
709 const_iv (ST_IMMUTABLE) 974 const_iv (ST_IMMUTABLE)
710 const_iv (ST_NOATIME) 975 const_iv (ST_NOATIME)
711 const_iv (ST_NODIRATIME) 976 const_iv (ST_NODIRATIME)
712 const_iv (ST_RELATIME) 977 const_iv (ST_RELATIME)
713 978
979 const_iv (PROT_NONE)
714 const_iv (PROT_EXEC) 980 const_iv (PROT_EXEC)
715 const_iv (PROT_NONE)
716 const_iv (PROT_READ) 981 const_iv (PROT_READ)
717 const_iv (PROT_WRITE) 982 const_iv (PROT_WRITE)
718 983
719 /*const_iv (MAP_FIXED)*/
720 const_iv (MAP_PRIVATE) 984 const_iv (MAP_PRIVATE)
721 const_iv (MAP_SHARED) 985 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED)
722 const_iv (MAP_ANONYMOUS) 987 const_iv (MAP_ANONYMOUS)
723 988
724 /* linuxish */ 989 /* linuxish */
725 const_iv (MAP_HUGETLB)
726 const_iv (MAP_LOCKED) 990 const_iv (MAP_LOCKED)
727 const_iv (MAP_NORESERVE) 991 const_iv (MAP_NORESERVE)
728 const_iv (MAP_POPULATE) 992 const_iv (MAP_POPULATE)
729 const_iv (MAP_NONBLOCK) 993 const_iv (MAP_NONBLOCK)
994 const_iv (MAP_GROWSDOWN)
995 const_iv (MAP_32BIT)
996 const_iv (MAP_HUGETLB)
997 const_iv (MAP_STACK)
730 998
999 const_iv (FIEMAP_FLAG_SYNC)
1000 const_iv (FIEMAP_FLAG_XATTR)
1001 const_iv (FIEMAP_FLAGS_COMPAT)
1002 const_iv (FIEMAP_EXTENT_LAST)
1003 const_iv (FIEMAP_EXTENT_UNKNOWN)
1004 const_iv (FIEMAP_EXTENT_DELALLOC)
1005 const_iv (FIEMAP_EXTENT_ENCODED)
1006 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1007 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1008 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1009 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1010 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1011 const_iv (FIEMAP_EXTENT_MERGED)
1012 const_iv (FIEMAP_EXTENT_SHARED)
1013
1014 const_iv (SPLICE_F_MOVE)
1015 const_iv (SPLICE_F_NONBLOCK)
1016 const_iv (SPLICE_F_MORE)
1017 const_iv (SPLICE_F_GIFT)
1018
1019 /* these are libeio constants, and are independent of gendef0 */
1020 const_eio (SEEK_SET)
1021 const_eio (SEEK_CUR)
1022 const_eio (SEEK_END)
1023
731 const_iv (MCL_FUTURE) 1024 const_eio (MCL_FUTURE)
732 const_iv (MCL_CURRENT) 1025 const_eio (MCL_CURRENT)
733 1026
734 const_eio (MS_ASYNC) 1027 const_eio (MS_ASYNC)
735 const_eio (MS_INVALIDATE) 1028 const_eio (MS_INVALIDATE)
736 const_eio (MS_SYNC) 1029 const_eio (MS_SYNC)
737 1030
738 const_eio (MT_MODIFY) 1031 const_eio (MT_MODIFY)
739 1032
740 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1033 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741 const_eio (SYNC_FILE_RANGE_WRITE) 1034 const_eio (SYNC_FILE_RANGE_WRITE)
742 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1035 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1036
1037 const_eio (FALLOC_FL_KEEP_SIZE)
1038 const_eio (FALLOC_FL_PUNCH_HOLE)
1039 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1040 const_eio (FALLOC_FL_ZERO_RANGE)
743 1041
744 const_eio (READDIR_DENTS) 1042 const_eio (READDIR_DENTS)
745 const_eio (READDIR_DIRS_FIRST) 1043 const_eio (READDIR_DIRS_FIRST)
746 const_eio (READDIR_STAT_ORDER) 1044 const_eio (READDIR_STAT_ORDER)
747 const_eio (READDIR_FOUND_UNKNOWN) 1045 const_eio (READDIR_FOUND_UNKNOWN)
758 }; 1056 };
759 1057
760 aio_stash = gv_stashpv ("IO::AIO" , 1); 1058 aio_stash = gv_stashpv ("IO::AIO" , 1);
761 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1059 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1060 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1061 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
763 1062
764 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1063 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
765 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1064 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766 1065
767 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1066 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768 1067
769 create_respipe (); 1068 reinit ();
770
771 if (eio_init (want_poll, done_poll) < 0)
772 croak ("IO::AIO: unable to initialise eio library");
773
774 /* atfork child called in fifo order, so before eio's handler */
775 X_THREAD_ATFORK (0, 0, atfork_child);
776} 1069}
777 1070
778void 1071void
1072reinit ()
1073 PROTOTYPE:
1074
1075void
779max_poll_reqs (int nreqs) 1076max_poll_reqs (unsigned int nreqs)
780 PROTOTYPE: $ 1077 PROTOTYPE: $
781 CODE: 1078 CODE:
782 eio_set_max_poll_reqs (nreqs); 1079 eio_set_max_poll_reqs (nreqs);
783 1080
784void 1081void
786 PROTOTYPE: $ 1083 PROTOTYPE: $
787 CODE: 1084 CODE:
788 eio_set_max_poll_time (nseconds); 1085 eio_set_max_poll_time (nseconds);
789 1086
790void 1087void
791min_parallel (int nthreads) 1088min_parallel (unsigned int nthreads)
792 PROTOTYPE: $ 1089 PROTOTYPE: $
793 CODE: 1090 CODE:
794 eio_set_min_parallel (nthreads); 1091 eio_set_min_parallel (nthreads);
795 1092
796void 1093void
797max_parallel (int nthreads) 1094max_parallel (unsigned int nthreads)
798 PROTOTYPE: $ 1095 PROTOTYPE: $
799 CODE: 1096 CODE:
800 eio_set_max_parallel (nthreads); 1097 eio_set_max_parallel (nthreads);
801 1098
802void 1099void
803max_idle (int nthreads) 1100max_idle (unsigned int nthreads)
804 PROTOTYPE: $ 1101 PROTOTYPE: $
805 CODE: 1102 CODE:
806 eio_set_max_idle (nthreads); 1103 eio_set_max_idle (nthreads);
807 1104
808void 1105void
1106idle_timeout (unsigned int seconds)
1107 PROTOTYPE: $
1108 CODE:
1109 eio_set_idle_timeout (seconds);
1110
1111void
809max_outstanding (int maxreqs) 1112max_outstanding (unsigned int maxreqs)
810 PROTOTYPE: $ 1113 PROTOTYPE: $
811 CODE: 1114 CODE:
812 max_outstanding = maxreqs; 1115 max_outstanding = maxreqs;
813 1116
814void 1117void
815aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1118aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
816 PROTOTYPE: $$$;$
817 PPCODE: 1119 PPCODE:
818{ 1120{
819 dREQ; 1121 dREQ;
820 1122
1123 req->type = EIO_WD_OPEN;
1124 req_set_path1 (req, pathname);
1125
1126 REQ_SEND;
1127}
1128
1129void
1130aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1131 PPCODE:
1132{
1133 dREQ;
1134
821 req->type = EIO_OPEN; 1135 req->type = EIO_OPEN;
822 req->sv1 = newSVsv (pathname); 1136 req_set_path1 (req, pathname);
823 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 req->int1 = flags; 1137 req->int1 = flags;
825 req->int2 = mode; 1138 req->int2 = mode;
826 1139
827 REQ_SEND; 1140 REQ_SEND;
828} 1141}
829 1142
830void 1143void
831aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1144aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
832 PROTOTYPE: $;$
833 ALIAS: 1145 ALIAS:
834 aio_fsync = EIO_FSYNC 1146 aio_fsync = EIO_FSYNC
835 aio_fdatasync = EIO_FDATASYNC 1147 aio_fdatasync = EIO_FDATASYNC
1148 aio_syncfs = EIO_SYNCFS
836 PPCODE: 1149 PPCODE:
837{ 1150{
838 int fd = s_fileno_croak (fh, 0); 1151 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1152 dREQ;
840 1153
841 req->type = ix; 1154 req->type = ix;
842 req->sv1 = newSVsv (fh); 1155 req->sv1 = newSVsv (fh);
843 req->int1 = fd; 1156 req->int1 = fd;
844 1157
845 REQ_SEND (req); 1158 REQ_SEND;
846} 1159}
847 1160
848void 1161void
849aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1162aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$$;$
851 PPCODE: 1163 PPCODE:
852{ 1164{
853 int fd = s_fileno_croak (fh, 0); 1165 int fd = s_fileno_croak (fh, 0);
854 dREQ; 1166 dREQ;
855 1167
856 req->type = EIO_SYNC_FILE_RANGE; 1168 req->type = EIO_SYNC_FILE_RANGE;
857 req->sv1 = newSVsv (fh); 1169 req->sv1 = newSVsv (fh);
858 req->int1 = fd; 1170 req->int1 = fd;
859 req->offs = offset; 1171 req->offs = offset;
860 req->size = nbytes; 1172 req->size = nbytes;
861 req->int2 = flags; 1173 req->int2 = flags;
862 1174
863 REQ_SEND (req); 1175 REQ_SEND;
864} 1176}
865 1177
866void 1178void
867aio_close (SV *fh, SV *callback=&PL_sv_undef) 1179aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
868 PROTOTYPE: $;$
869 PPCODE: 1180 PPCODE:
870{ 1181{
871 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872 int fd = s_fileno_croak (fh, 0); 1182 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1183 dREQ;
874 1184
875 if (close_pipe < 0) 1185 req->type = EIO_FALLOCATE;
1186 req->sv1 = newSVsv (fh);
1187 req->int1 = fd;
1188 req->int2 = mode;
1189 req->offs = offset;
1190 req->size = len;
1191
1192 REQ_SEND;
1193}
1194
1195void
1196aio_close (SV *fh, SV *callback = &PL_sv_undef)
1197 PPCODE:
1198{
1199 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1200 int fd = s_fileno_croak (fh, 0);
1201 dREQ;
1202
1203 if (expect_false (close_fd < 0))
876 { 1204 {
877 int pipefd [2]; 1205 int pipefd [2];
878 1206
1207 if (
1208#ifdef _WIN32
1209 _pipe (pipefd, 1, _O_BINARY) < 0
1210#else
879 if (pipe (pipefd) < 0 1211 pipe (pipefd) < 0
880 || close (pipefd [1]) < 0
881 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1212 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1213#endif
1214 || close (pipefd [1]) < 0
1215 )
882 abort (); /*D*/ 1216 abort (); /*D*/
883 1217
884 close_pipe = pipefd [0]; 1218 close_fd = pipefd [0];
885 } 1219 }
886 1220
887 req->type = EIO_DUP2; 1221 req->type = EIO_DUP2;
888 req->int1 = close_pipe; 1222 req->int1 = close_fd;
889 req->sv2 = newSVsv (fh); 1223 req->sv2 = newSVsv (fh);
890 req->int2 = fd; 1224 req->int2 = fd;
891 1225
892 REQ_SEND (req); 1226 REQ_SEND;
893} 1227}
894 1228
895void 1229void
1230aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1231 PPCODE:
1232{
1233 int fd = s_fileno_croak (fh, 0);
1234 dREQ;
1235
1236 req->type = EIO_SEEK;
1237 req->sv1 = newSVsv (fh);
1238 req->int1 = fd;
1239 req->offs = SvVAL64 (offset);
1240 req->int2 = whence;
1241
1242 REQ_SEND;
1243}
1244
1245void
896aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1246aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
897 ALIAS: 1247 ALIAS:
898 aio_read = EIO_READ 1248 aio_read = EIO_READ
899 aio_write = EIO_WRITE 1249 aio_write = EIO_WRITE
900 PROTOTYPE: $$$$$;$
901 PPCODE: 1250 PPCODE:
902{ 1251{
903 STRLEN svlen; 1252 STRLEN svlen;
904 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1253 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905 char *svptr = SvPVbyte (data, svlen); 1254 char *svptr = SvPVbyte (data, svlen);
918 len = svlen - dataoffset; 1267 len = svlen - dataoffset;
919 } 1268 }
920 else 1269 else
921 { 1270 {
922 /* read: check type and grow scalar as necessary */ 1271 /* read: check type and grow scalar as necessary */
923 SvUPGRADE (data, SVt_PV); 1272 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
924 svptr = SvGROW (data, len + dataoffset + 1); 1273 svptr = sv_grow (data, len + dataoffset + 1);
1274 else if (SvCUR (data) < len + dataoffset)
1275 croak ("length + dataoffset outside of scalar, and cannot grow");
925 } 1276 }
926 1277
927 { 1278 {
928 dREQ; 1279 dREQ;
929 1280
945 REQ_SEND; 1296 REQ_SEND;
946 } 1297 }
947} 1298}
948 1299
949void 1300void
950aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1301aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
951 PROTOTYPE: $$;$ 1302 ALIAS:
1303 aio_readlink = EIO_READLINK
1304 aio_realpath = EIO_REALPATH
952 PPCODE: 1305 PPCODE:
953{ 1306{
954 SV *data;
955 dREQ; 1307 dREQ;
956 1308
957 req->type = EIO_READLINK; 1309 req->type = ix;
958 req->sv1 = newSVsv (path); 1310 req_set_path1 (req, pathname);
959 req->ptr1 = SvPVbyte_nolen (req->sv1);
960 1311
961 REQ_SEND; 1312 REQ_SEND;
962} 1313}
963 1314
964void 1315void
965aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1316aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
966 PROTOTYPE: $$$$;$
967 PPCODE: 1317 PPCODE:
968{ 1318{
969 int ifd = s_fileno_croak (in_fh , 0); 1319 int ifd = s_fileno_croak (in_fh , 0);
970 int ofd = s_fileno_croak (out_fh, 1); 1320 int ofd = s_fileno_croak (out_fh, 1);
971 dREQ; 1321 dREQ;
972 1322
973 req->type = EIO_SENDFILE; 1323 req->type = EIO_SENDFILE;
974 req->sv1 = newSVsv (out_fh); 1324 req->sv1 = newSVsv (out_fh);
975 req->int1 = ofd; 1325 req->int1 = ofd;
980 1330
981 REQ_SEND; 1331 REQ_SEND;
982} 1332}
983 1333
984void 1334void
985aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1335aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
986 PROTOTYPE: $$$;$
987 PPCODE: 1336 PPCODE:
988{ 1337{
989 int fd = s_fileno_croak (fh, 0); 1338 int fd = s_fileno_croak (fh, 0);
990 dREQ; 1339 dREQ;
991 1340
992 req->type = EIO_READAHEAD; 1341 req->type = EIO_READAHEAD;
993 req->sv1 = newSVsv (fh); 1342 req->sv1 = newSVsv (fh);
994 req->int1 = fd; 1343 req->int1 = fd;
997 1346
998 REQ_SEND; 1347 REQ_SEND;
999} 1348}
1000 1349
1001void 1350void
1002aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1351aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1003 ALIAS: 1352 ALIAS:
1004 aio_stat = EIO_STAT 1353 aio_stat = EIO_STAT
1005 aio_lstat = EIO_LSTAT 1354 aio_lstat = EIO_LSTAT
1006 aio_statvfs = EIO_STATVFS 1355 aio_statvfs = EIO_STATVFS
1007 PPCODE: 1356 PPCODE:
1008{ 1357{
1009 dREQ; 1358 dREQ;
1010 1359
1011 req->sv1 = newSVsv (fh_or_path); 1360 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1012
1013 if (SvPOK (req->sv1))
1014 {
1015 req->type = ix;
1016 req->ptr1 = SvPVbyte_nolen (req->sv1);
1017 }
1018 else
1019 {
1020 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022 }
1023 1361
1024 REQ_SEND; 1362 REQ_SEND;
1025} 1363}
1026 1364
1365UV
1366major (UV dev)
1367 ALIAS:
1368 minor = 1
1369 CODE:
1370 RETVAL = ix ? major (dev) : minor (dev);
1371 OUTPUT:
1372 RETVAL
1373
1374UV
1375makedev (UV maj, UV min)
1376 CODE:
1377 RETVAL = makedev (maj, min);
1378 OUTPUT:
1379 RETVAL
1380
1027void 1381void
1028aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1382aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1029 PPCODE: 1383 PPCODE:
1030{ 1384{
1031 dREQ; 1385 dREQ;
1032 1386
1033 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1387 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1388 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035 req->sv1 = newSVsv (fh_or_path); 1389 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037 if (SvPOK (req->sv1))
1038 {
1039 req->type = EIO_UTIME;
1040 req->ptr1 = SvPVbyte_nolen (req->sv1);
1041 }
1042 else
1043 {
1044 req->type = EIO_FUTIME;
1045 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046 }
1047 1390
1048 REQ_SEND; 1391 REQ_SEND;
1049} 1392}
1050 1393
1051void 1394void
1052aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1395aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1053 PPCODE: 1396 PPCODE:
1054{ 1397{
1055 dREQ; 1398 dREQ;
1056 1399
1057 req->sv1 = newSVsv (fh_or_path);
1058 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1400 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059 1401 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060 if (SvPOK (req->sv1))
1061 {
1062 req->type = EIO_TRUNCATE;
1063 req->ptr1 = SvPVbyte_nolen (req->sv1);
1064 }
1065 else
1066 {
1067 req->type = EIO_FTRUNCATE;
1068 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069 }
1070 1402
1071 REQ_SEND; 1403 REQ_SEND;
1072} 1404}
1073 1405
1074void 1406void
1075aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1407aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1076 ALIAS:
1077 aio_chmod = EIO_CHMOD
1078 aio_mkdir = EIO_MKDIR
1079 PPCODE: 1408 PPCODE:
1080{ 1409{
1081 dREQ; 1410 dREQ;
1082 1411
1083 req->int2 = mode; 1412 req->int2 = mode;
1084 req->sv1 = newSVsv (fh_or_path); 1413 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = ix;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FCHMOD;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1414
1097 REQ_SEND; 1415 REQ_SEND;
1098} 1416}
1099 1417
1100void 1418void
1101aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1419aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1102 PPCODE: 1420 PPCODE:
1103{ 1421{
1104 dREQ; 1422 dREQ;
1105 1423
1106 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1424 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1425 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108 req->sv1 = newSVsv (fh_or_path); 1426 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110 if (SvPOK (req->sv1))
1111 {
1112 req->type = EIO_CHOWN;
1113 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 }
1115 else
1116 {
1117 req->type = EIO_FCHOWN;
1118 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119 }
1120 1427
1121 REQ_SEND; 1428 REQ_SEND;
1122} 1429}
1123 1430
1124void 1431void
1125aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1432aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1126 PPCODE: 1433 PPCODE:
1127{ 1434{
1128 dREQ; 1435 dREQ;
1129 1436
1130 req->type = EIO_READDIR; 1437 req->type = EIO_READDIR;
1131 req->sv1 = newSVsv (pathname);
1132 req->ptr1 = SvPVbyte_nolen (req->sv1);
1133 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1438 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134 1439
1135 if (flags & EIO_READDIR_DENTS) 1440 if (flags & EIO_READDIR_DENTS)
1136 req->int1 |= EIO_READDIR_CUSTOM2; 1441 req->int1 |= EIO_READDIR_CUSTOM2;
1137 1442
1443 req_set_path1 (req, pathname);
1444
1138 REQ_SEND; 1445 REQ_SEND;
1139} 1446}
1140 1447
1141void 1448void
1449aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1450 PPCODE:
1451{
1452 dREQ;
1453
1454 req->type = EIO_MKDIR;
1455 req->int2 = mode;
1456 req_set_path1 (req, pathname);
1457
1458 REQ_SEND;
1459}
1460
1461void
1142aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1462aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1143 ALIAS: 1463 ALIAS:
1144 aio_unlink = EIO_UNLINK 1464 aio_unlink = EIO_UNLINK
1145 aio_rmdir = EIO_RMDIR 1465 aio_rmdir = EIO_RMDIR
1146 aio_readdir = EIO_READDIR 1466 aio_readdir = EIO_READDIR
1147 PPCODE: 1467 PPCODE:
1148{ 1468{
1149 dREQ; 1469 dREQ;
1150 1470
1151 req->type = ix; 1471 req->type = ix;
1152 req->sv1 = newSVsv (pathname); 1472 req_set_path1 (req, pathname);
1153 req->ptr1 = SvPVbyte_nolen (req->sv1);
1154 1473
1155 REQ_SEND; 1474 REQ_SEND;
1156} 1475}
1157 1476
1158void 1477void
1159aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1478aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1160 ALIAS: 1479 ALIAS:
1161 aio_link = EIO_LINK 1480 aio_link = EIO_LINK
1162 aio_symlink = EIO_SYMLINK 1481 aio_symlink = EIO_SYMLINK
1163 aio_rename = EIO_RENAME 1482 aio_rename = EIO_RENAME
1164 PPCODE: 1483 PPCODE:
1165{ 1484{
1485 eio_wd wd2 = 0;
1166 dREQ; 1486 dREQ;
1167 1487
1168 req->type = ix; 1488 req->type = ix;
1169 req->sv1 = newSVsv (oldpath); 1489 req_set_path1 (req, oldpath);
1170 req->ptr1 = SvPVbyte_nolen (req->sv1); 1490 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171 req->sv2 = newSVsv (newpath); 1491 req->int3 = (long)wd2;
1172 req->ptr2 = SvPVbyte_nolen (req->sv2);
1173 1492
1174 REQ_SEND; 1493 REQ_SEND;
1175} 1494}
1176 1495
1177void 1496void
1178aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1497aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1179 PPCODE: 1498 PPCODE:
1180{ 1499{
1181 dREQ; 1500 dREQ;
1182 1501
1183 req->type = EIO_MKNOD; 1502 req->type = EIO_MKNOD;
1184 req->sv1 = newSVsv (pathname);
1185 req->ptr1 = SvPVbyte_nolen (req->sv1);
1186 req->int2 = (mode_t)mode; 1503 req->int2 = (mode_t)mode;
1187 req->offs = dev; 1504 req->offs = dev;
1505 req_set_path1 (req, pathname);
1188 1506
1189 REQ_SEND; 1507 REQ_SEND;
1190} 1508}
1191 1509
1192void 1510void
1193aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1511aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1194 ALIAS: 1512 ALIAS:
1195 aio_mtouch = EIO_MTOUCH 1513 aio_mtouch = EIO_MTOUCH
1196 aio_msync = EIO_MSYNC 1514 aio_msync = EIO_MSYNC
1197 PROTOTYPE: $$$$;$
1198 PPCODE: 1515 PPCODE:
1199{ 1516{
1200 STRLEN svlen; 1517 STRLEN svlen;
1518 char *svptr = SvPVbyte (data, svlen);
1201 UV len = SvUV (length); 1519 UV len = SvUV (length);
1202 char *svptr = SvPVbyte (data, svlen);
1203 1520
1204 if (offset < 0) 1521 if (offset < 0)
1205 offset += svlen; 1522 offset += svlen;
1206 1523
1207 if (offset < 0 || offset > svlen) 1524 if (offset < 0 || offset > svlen)
1212 1529
1213 { 1530 {
1214 dREQ; 1531 dREQ;
1215 1532
1216 req->type = ix; 1533 req->type = ix;
1217 req->size = len;
1218 req->sv2 = SvREFCNT_inc (data); 1534 req->sv2 = SvREFCNT_inc (data);
1219 req->ptr2 = (char *)svptr + offset; 1535 req->ptr2 = (char *)svptr + offset;
1536 req->size = len;
1220 req->int1 = flags; 1537 req->int1 = flags;
1221 1538
1222 REQ_SEND; 1539 REQ_SEND;
1223 } 1540 }
1224} 1541}
1225 1542
1226void 1543void
1544aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1545 PPCODE:
1546{
1547 STRLEN svlen;
1548 char *svptr = SvPVbyte (data, svlen);
1549 UV len = SvUV (length);
1550
1551 if (offset < 0)
1552 offset += svlen;
1553
1554 if (offset < 0 || offset > svlen)
1555 croak ("offset outside of scalar");
1556
1557 if (!SvOK (length) || len + offset > svlen)
1558 len = svlen - offset;
1559
1560 {
1561 dREQ;
1562
1563 req->type = EIO_MLOCK;
1564 req->sv2 = SvREFCNT_inc (data);
1565 req->ptr2 = (char *)svptr + offset;
1566 req->size = len;
1567
1568 REQ_SEND;
1569 }
1570}
1571
1572void
1573aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1574 PPCODE:
1575{
1576 dREQ;
1577
1578 req->type = EIO_MLOCKALL;
1579 req->int1 = flags;
1580
1581 REQ_SEND;
1582}
1583
1584void
1585aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1586 PPCODE:
1587{
1588 int fd = s_fileno_croak (fh, 0);
1589 dREQ;
1590
1591 req->type = EIO_CUSTOM;
1592 req->sv1 = newSVsv (fh);
1593 req->int1 = fd;
1594
1595 req->feed = fiemap;
1596#if HAVE_FIEMAP
1597 /* keep our fingers crossed that the next two types are 64 bit */
1598 req->offs = start;
1599 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1600 req->int2 = flags;
1601 req->int3 = SvOK (count) ? SvIV (count) : -1;
1602#endif
1603
1604 REQ_SEND;
1605}
1606
1607void
1227aio_busy (double delay, SV *callback=&PL_sv_undef) 1608aio_busy (double delay, SV *callback = &PL_sv_undef)
1228 PPCODE: 1609 PPCODE:
1229{ 1610{
1230 dREQ; 1611 dREQ;
1231 1612
1232 req->type = EIO_BUSY; 1613 req->type = EIO_BUSY;
1234 1615
1235 REQ_SEND; 1616 REQ_SEND;
1236} 1617}
1237 1618
1238void 1619void
1239aio_group (SV *callback=&PL_sv_undef) 1620aio_group (SV *callback = &PL_sv_undef)
1240 PROTOTYPE: ;$
1241 PPCODE: 1621 PPCODE:
1242{ 1622{
1243 dREQ; 1623 dREQ;
1244 1624
1245 req->type = EIO_GROUP; 1625 req->type = EIO_GROUP;
1246 1626
1627 PUTBACK;
1247 req_submit (req); 1628 req_submit (req);
1629 SPAGAIN;
1630
1248 XPUSHs (req_sv (req, aio_grp_stash)); 1631 XPUSHs (req_sv (req, aio_grp_stash));
1249} 1632}
1250 1633
1251void 1634void
1252aio_nop (SV *callback=&PL_sv_undef) 1635aio_nop (SV *callback = &PL_sv_undef)
1253 ALIAS: 1636 ALIAS:
1254 aio_nop = EIO_NOP 1637 aio_nop = EIO_NOP
1255 aio_sync = EIO_SYNC 1638 aio_sync = EIO_SYNC
1256 PPCODE: 1639 PPCODE:
1257{ 1640{
1261 1644
1262 REQ_SEND; 1645 REQ_SEND;
1263} 1646}
1264 1647
1265int 1648int
1266aioreq_pri (int pri = 0) 1649aioreq_pri (int pri = NO_INIT)
1267 PROTOTYPE: ;$
1268 CODE: 1650 CODE:
1269 RETVAL = next_pri; 1651 RETVAL = next_pri;
1270 if (items > 0) 1652 if (items > 0)
1271 { 1653 {
1272 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1654 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1284 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1666 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285 next_pri = nice; 1667 next_pri = nice;
1286 1668
1287void 1669void
1288flush () 1670flush ()
1289 PROTOTYPE:
1290 CODE: 1671 CODE:
1291 while (eio_nreqs ()) 1672 while (eio_nreqs ())
1292 { 1673 {
1293 poll_wait (); 1674 poll_wait ();
1294 poll_cb (); 1675 poll_cb ();
1295 } 1676 }
1296 1677
1297int 1678int
1298poll() 1679poll ()
1299 PROTOTYPE:
1300 CODE: 1680 CODE:
1301 poll_wait (); 1681 poll_wait ();
1302 RETVAL = poll_cb (); 1682 RETVAL = poll_cb ();
1303 OUTPUT: 1683 OUTPUT:
1304 RETVAL 1684 RETVAL
1305 1685
1306int 1686int
1307poll_fileno() 1687poll_fileno ()
1308 PROTOTYPE:
1309 CODE: 1688 CODE:
1310 RETVAL = s_epipe_fd (&respipe); 1689 RETVAL = s_epipe_fd (&respipe);
1311 OUTPUT: 1690 OUTPUT:
1312 RETVAL 1691 RETVAL
1313 1692
1314int 1693int
1315poll_cb(...) 1694poll_cb (...)
1316 PROTOTYPE: 1695 PROTOTYPE:
1317 CODE: 1696 CODE:
1318 RETVAL = poll_cb (); 1697 RETVAL = poll_cb ();
1319 OUTPUT: 1698 OUTPUT:
1320 RETVAL 1699 RETVAL
1321 1700
1322void 1701void
1323poll_wait() 1702poll_wait ()
1324 PROTOTYPE:
1325 CODE: 1703 CODE:
1326 poll_wait (); 1704 poll_wait ();
1327 1705
1328int 1706int
1329nreqs() 1707nreqs ()
1330 PROTOTYPE:
1331 CODE: 1708 CODE:
1332 RETVAL = eio_nreqs (); 1709 RETVAL = eio_nreqs ();
1333 OUTPUT: 1710 OUTPUT:
1334 RETVAL 1711 RETVAL
1335 1712
1336int 1713int
1337nready() 1714nready ()
1338 PROTOTYPE:
1339 CODE: 1715 CODE:
1340 RETVAL = eio_nready (); 1716 RETVAL = eio_nready ();
1341 OUTPUT: 1717 OUTPUT:
1342 RETVAL 1718 RETVAL
1343 1719
1344int 1720int
1345npending() 1721npending ()
1346 PROTOTYPE:
1347 CODE: 1722 CODE:
1348 RETVAL = eio_npending (); 1723 RETVAL = eio_npending ();
1349 OUTPUT: 1724 OUTPUT:
1350 RETVAL 1725 RETVAL
1351 1726
1352int 1727int
1353nthreads() 1728nthreads ()
1354 PROTOTYPE:
1355 CODE: 1729 CODE:
1356 RETVAL = eio_nthreads (); 1730 RETVAL = eio_nthreads ();
1357 OUTPUT: 1731 OUTPUT:
1358 RETVAL 1732 RETVAL
1359 1733
1360int 1734int
1361fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1735fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362 PROTOTYPE: $$$$
1363 CODE: 1736 CODE:
1364#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365 RETVAL = posix_fadvise (fh, offset, length, advice); 1737 RETVAL = posix_fadvise (fh, offset, length, advice);
1366#else
1367 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368#endif
1369 OUTPUT: 1738 OUTPUT:
1370 RETVAL 1739 RETVAL
1371 1740
1372ssize_t 1741IV
1373sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1742sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374 PROTOTYPE: $$$$
1375 CODE: 1743 CODE:
1376 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1744 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377 OUTPUT: 1745 OUTPUT:
1378 RETVAL 1746 RETVAL
1379 1747
1380void 1748void
1381mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1749mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1382 PROTOTYPE: $$$$$;$
1383 PPCODE: 1750 PPCODE:
1384 sv_unmagic (scalar, MMAP_MAGIC); 1751 sv_unmagic (scalar, MMAP_MAGIC);
1385{ 1752{
1386 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1753 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1754 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388 if (addr == (void *)-1) 1755 if (addr == (void *)-1)
1389 XSRETURN_NO; 1756 XSRETURN_NO;
1390 1757
1758 sv_force_normal (scalar);
1759
1391 /* we store the length in mg_obj, as namlen is I32 :/ */ 1760 /* we store the length in mg_obj, as namlen is I32 :/ */
1392 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1761 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393 ->mg_obj = (SV *)length; 1762 ->mg_obj = (SV *)length;
1394 1763
1395 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1764 SvUPGRADE (scalar, SVt_PV); /* nop... */
1765
1396 if (!(prot & PROT_WRITE)) 1766 if (!(prot & PROT_WRITE))
1397 SvREADONLY_on (scalar); 1767 SvREADONLY_on (scalar);
1768
1769 if (SvLEN (scalar))
1770 Safefree (SvPVX (scalar));
1398 1771
1399 SvPVX (scalar) = (char *)addr; 1772 SvPVX (scalar) = (char *)addr;
1400 SvCUR_set (scalar, length); 1773 SvCUR_set (scalar, length);
1401 SvLEN_set (scalar, 0); 1774 SvLEN_set (scalar, 0);
1402 SvPOK_only (scalar); 1775 SvPOK_only (scalar);
1404 XSRETURN_YES; 1777 XSRETURN_YES;
1405} 1778}
1406 1779
1407void 1780void
1408munmap (SV *scalar) 1781munmap (SV *scalar)
1409 PROTOTYPE: $
1410 CODE: 1782 CODE:
1411 sv_unmagic (scalar, MMAP_MAGIC); 1783 sv_unmagic (scalar, MMAP_MAGIC);
1412 1784
1413int 1785int
1414mlockall (int flags) 1786madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1415 PROTOTYPE: $ 1787 ALIAS:
1788 mprotect = 1
1416 CODE: 1789 CODE:
1790{
1791 STRLEN svlen;
1792 void *addr = SvPVbyte (scalar, svlen);
1793 STRLEN len = SvUV (length);
1794
1795 if (offset < 0)
1796 offset += svlen;
1797
1798 if (offset < 0 || offset > svlen)
1799 croak ("offset outside of scalar");
1800
1801 if (!SvOK (length) || len + offset > svlen)
1802 len = svlen - offset;
1803
1804 addr = (void *)(((intptr_t)addr) + offset);
1805 eio_page_align (&addr, &len);
1806
1807 switch (ix)
1808 {
1809 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1810 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1811 }
1812}
1813 OUTPUT:
1814 RETVAL
1815
1816int
1817munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1818 CODE:
1819{
1820 STRLEN svlen;
1821 void *addr = SvPVbyte (scalar, svlen);
1822 size_t len = SvUV (length);
1823
1824 if (offset < 0)
1825 offset += svlen;
1826
1827 if (offset < 0 || offset > svlen)
1828 croak ("offset outside of scalar");
1829
1830 if (!SvOK (length) || len + offset > svlen)
1831 len = svlen - offset;
1832
1833 addr = (void *)(((intptr_t)addr) + offset);
1834 eio_page_align (&addr, &len);
1417#if _POSIX_MEMLOCK 1835#if _POSIX_MEMLOCK_RANGE
1418#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1836 RETVAL = munlock (addr, len);
1419 extern int mallopt (int, int);
1420 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421#endif
1422 mlockall (flags);
1423#else 1837#else
1424 RETVAL = -1; 1838 RETVAL = EIO_ENOSYS ();
1425 errno = ENOSYS;
1426#endif 1839#endif
1840}
1427 OUTPUT: 1841 OUTPUT:
1428 RETVAL 1842 RETVAL
1429 1843
1430int 1844int
1431munlockall () 1845munlockall ()
1432 PROTOTYPE:
1433 CODE: 1846 CODE:
1434#if _POSIX_MEMLOCK 1847#if _POSIX_MEMLOCK
1435 munlockall (); 1848 munlockall ();
1436#else 1849#else
1437 RETVAL = -1; 1850 RETVAL = EIO_ENOSYS ();
1438 errno = ENOSYS;
1439#endif 1851#endif
1440 OUTPUT: 1852 OUTPUT:
1441 RETVAL 1853 RETVAL
1854
1855int
1856splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1857 CODE:
1858{
1859#if HAVE_LINUX_SPLICE
1860 loff_t off_in_, off_out_;
1861 RETVAL = splice (
1862 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1863 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1864 length, flags
1865 );
1866#else
1867 RETVAL = EIO_ENOSYS ();
1868#endif
1869}
1870 OUTPUT:
1871 RETVAL
1872
1873int
1874tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1875 CODE:
1876#if HAVE_LINUX_SPLICE
1877 RETVAL = tee (rfh, wfh, length, flags);
1878#else
1879 RETVAL = EIO_ENOSYS ();
1880#endif
1881 OUTPUT:
1882 RETVAL
1883
1884int
1885pipesize (aio_rfd rfh, int new_size = -1)
1886 PROTOTYPE: $;$
1887 CODE:
1888#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1889 if (new_size >= 0)
1890 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1891 else
1892 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1893#else
1894 errno = ENOSYS;
1895 RETVAL = -1;
1896#endif
1897 OUTPUT:
1898 RETVAL
1899
1900void
1901pipe2 (int flags = 0)
1902 PROTOTYPE: ;$
1903 PPCODE:
1904{
1905 int fd[2];
1906 int res;
1907
1908 if (flags)
1909#if HAVE_PIPE2
1910 res = pipe2 (fd, flags);
1911#else
1912 res = (errno = ENOSYS, -1);
1913#endif
1914 else
1915 res = pipe (fd);
1916
1917 if (!res)
1918 {
1919 EXTEND (SP, 2);
1920 PUSHs (newmortalFH (fd[0], O_RDONLY));
1921 PUSHs (newmortalFH (fd[1], O_WRONLY));
1922 }
1923}
1442 1924
1443void _on_next_submit (SV *cb) 1925void _on_next_submit (SV *cb)
1444 CODE: 1926 CODE:
1445 SvREFCNT_dec (on_next_submit); 1927 SvREFCNT_dec (on_next_submit);
1446 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1928 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447 1929
1448PROTOTYPES: DISABLE 1930PROTOTYPES: DISABLE
1449 1931
1932MODULE = IO::AIO PACKAGE = IO::AIO::WD
1933
1934BOOT:
1935{
1936 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1937 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1938}
1939
1940void
1941DESTROY (SV *self)
1942 CODE:
1943{
1944 aio_wd wd = SvAIO_WD (self);
1945#if HAVE_AT
1946 {
1947 SV *callback = &PL_sv_undef;
1948 dREQ; /* clobbers next_pri :/ */
1949 next_pri = req->pri; /* restore next_pri */
1950 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1951 req->type = EIO_WD_CLOSE;
1952 req->wd = wd;
1953 REQ_SEND;
1954 }
1955#else
1956 eio_wd_close_sync (wd);
1957#endif
1958}
1959
1450MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1960MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451 1961
1452void 1962void
1453cancel (aio_req_ornot req) 1963cancel (aio_req_ornot req)
1454 CODE: 1964 CODE:
1455 eio_cancel (req); 1965 eio_cancel (req);
1456 1966
1457void 1967void
1458cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1968cb (aio_req_ornot req, SV *callback = NO_INIT)
1459 PPCODE: 1969 PPCODE:
1460{ 1970{
1461 if (GIMME_V != G_VOID) 1971 if (GIMME_V != G_VOID)
1462 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1972 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1463 1973
1464 if (items > 1) 1974 if (items > 1)
1465 { 1975 {
1466 SV *cb_cv =get_cb (callback); 1976 SV *cb_cv = get_cb (callback);
1467 1977
1468 SvREFCNT_dec (req->callback); 1978 SvREFCNT_dec (req->callback);
1469 req->callback = SvREFCNT_inc (cb_cv); 1979 req->callback = SvREFCNT_inc (cb_cv);
1470 } 1980 }
1471} 1981}
1528limit (aio_req grp, int limit) 2038limit (aio_req grp, int limit)
1529 CODE: 2039 CODE:
1530 eio_grp_limit (grp, limit); 2040 eio_grp_limit (grp, limit);
1531 2041
1532void 2042void
1533feed (aio_req grp, SV *callback=&PL_sv_undef) 2043feed (aio_req grp, SV *callback = &PL_sv_undef)
1534 CODE: 2044 CODE:
1535{ 2045{
1536 SvREFCNT_dec (grp->sv2); 2046 SvREFCNT_dec (grp->sv2);
1537 grp->sv2 = newSVsv (callback); 2047 grp->sv2 = newSVsv (callback);
1538 grp->feed = aio_grp_feed; 2048 grp->feed = aio_grp_feed;

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