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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.146 by root, Fri Jun 12 17:07:00 2009 UTC vs.
Revision 1.235 by root, Thu Jun 25 15:47:01 2015 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
14#include <limits.h> 16#include <limits.h>
15#include <fcntl.h> 17#include <fcntl.h>
16#include <sched.h> 18#include <sched.h>
17 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
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
35#endif
36
18/* perl namespace pollution */ 37/* perl namespace pollution */
19#undef VERSION 38#undef VERSION
20
21#ifdef _WIN32
22
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions
28# undef open
29# undef read
30# undef write
31# undef send
32# undef recv
33# undef stat
34# undef fstat
35# define lstat stat
36# undef truncate
37# undef ftruncate
38# undef open
39# undef close
40# undef unlink
41# undef rmdir
42# undef rename
43# undef lseek
44
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58
59#else
60
61# include <sys/time.h>
62# include <sys/select.h>
63# include <unistd.h>
64# include <utime.h>
65# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67
68#endif
69 39
70/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
72#undef readdir 42#undef readdir
73#undef opendir 43#undef opendir
74#undef closedir 44#undef closedir
75 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
76#define EIO_STRUCT_STAT Stat_t 81 #define EIO_STRUCT_STATI64
77 82
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define SvVAL64 SvIV
81#else 83#else
82# define SvVAL64 SvNV 84
85 #include <sys/time.h>
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
83#endif 93#endif
84 94
85/*****************************************************************************/ 95/*****************************************************************************/
86 96
87#if __GNUC__ >= 3 97#if __GNUC__ >= 3
93#define expect_false(expr) expect ((expr) != 0, 0) 103#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 104#define expect_true(expr) expect ((expr) != 0, 1)
95 105
96/*****************************************************************************/ 106/*****************************************************************************/
97 107
98static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */ 108typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */
100 111
101#define AIO_REQ_KLASS "IO::AIO::REQ" 112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 113
104#define EIO_REQ_MEMBERS \ 114#define EIO_REQ_MEMBERS \
105 SV *callback; \ 115 SV *callback; \
106 SV *sv1, *sv2; \ 116 SV *sv1, *sv2; \
117 SV *sv3, *sv4; \
107 STRLEN stroffset; \ 118 STRLEN stroffset; \
108 SV *self; 119 SV *self;
109 120
110#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
111 122
123#include "libeio/config.h"
112#include "libeio/eio.h" 124#include "libeio/eio.h"
113 125
114static int req_invoke (eio_req *req); 126static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 127#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 128static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 129#define EIO_DESTROY(req) req_destroy (req)
118 130
131#include "libeio/eio.c"
132
133#if !HAVE_POSIX_FADVISE
134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
135#endif
136
137#if !HAVE_POSIX_MADVISE
138# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
139#endif
140
141#ifndef MAP_ANONYMOUS
142# ifdef MAP_ANON
143# define MAP_ANONYMOUS MAP_ANON
144# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif
147#endif
148
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
164# define PAGESIZE sysconf (_SC_PAGESIZE)
165#endif
166
167/*****************************************************************************/
168
169static void
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/*****************************************************************************/
266
119enum { 267enum {
120 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121}; 269};
122 270
123#include "libeio/eio.c"
124
125typedef eio_req *aio_req; 271typedef eio_req *aio_req;
126typedef eio_req *aio_req_ornot; 272typedef eio_req *aio_req_ornot;
273typedef eio_wd aio_wd;
127 274
128static SV *on_next_submit; 275static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 276static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 277static int max_outstanding;
131 278
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 279static s_epipe respipe;
133 280
134static void req_destroy (aio_req req); 281static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 282static void req_cancel (aio_req req);
136 283
137static void want_poll (void) 284static void
285want_poll (void)
138{ 286{
139 /* write a dummy byte to the pipe so fh becomes ready */ 287 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 288 s_epipe_signal (&respipe);
141} 289}
142 290
143static void done_poll (void) 291static void
292done_poll (void)
144{ 293{
145 /* read any signals sent by the worker threads */ 294 /* read any signals sent by the worker threads */
146 char buf [4]; 295 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 296}
150 297
151/* must be called at most once */ 298/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 299static SV *
300req_sv (aio_req req, HV *stash)
153{ 301{
154 if (!req->self) 302 if (!req->self)
155 { 303 {
156 req->self = (SV *)newHV (); 304 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 305 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 306 }
159 307
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 308 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 309}
162 310
163static 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)
164{ 319{
165 MAGIC *mg; 320 MAGIC *mg;
166 321
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 322 if (!SvROK (sv)
323 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
324 || (SvSTASH (SvRV (sv)) != aio_grp_stash
325 && SvSTASH (SvRV (sv)) != aio_req_stash
326 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 327 croak ("object of class IO::AIO::REQ expected");
169 328
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 329 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 330
172 return mg ? (aio_req)mg->mg_ptr : 0; 331 return mg ? (aio_req)mg->mg_ptr : 0;
173} 332}
174 333
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
175static void aio_grp_feed (aio_req grp) 371aio_grp_feed (aio_req grp)
176{ 372{
177 if (grp->sv2 && SvOK (grp->sv2)) 373 if (grp->sv2 && SvOK (grp->sv2))
178 { 374 {
179 dSP; 375 dSP;
180 376
181 ENTER; 377 ENTER;
182 SAVETMPS; 378 SAVETMPS;
183 PUSHMARK (SP); 379 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 380 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 381 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 382 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 383 SPAGAIN;
188 FREETMPS; 384 FREETMPS;
189 LEAVE; 385 LEAVE;
190 } 386 }
191} 387}
192 388
389static void
193static void req_submit (eio_req *req) 390req_submit (eio_req *req)
194{ 391{
195 eio_submit (req); 392 eio_submit (req);
196 393
197 if (expect_false (on_next_submit)) 394 if (expect_false (on_next_submit))
198 { 395 {
205 PUTBACK; 402 PUTBACK;
206 call_sv (cb, G_DISCARD | G_EVAL); 403 call_sv (cb, G_DISCARD | G_EVAL);
207 } 404 }
208} 405}
209 406
407static int
210static int req_invoke (eio_req *req) 408req_invoke (eio_req *req)
211{ 409{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 410 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 411 SvREADONLY_off (req->sv2);
216 412
217 if (!EIO_CANCELLED (req) && req->callback) 413 if (!EIO_CANCELLED (req) && req->callback)
218 { 414 {
415 dSP;
416 static SV *sv_result_cache; /* caches the result integer SV */
417 SV *sv_result;
418
219 ENTER; 419 ENTER;
220 SAVETMPS; 420 SAVETMPS;
221 PUSHMARK (SP); 421 PUSHMARK (SP);
222 EXTEND (SP, 1); 422 EXTEND (SP, 1);
223 423
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
224 switch (req->type) 437 switch (req->type)
225 { 438 {
439 case EIO_WD_OPEN:
440 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
441 break;
442
226 case EIO_READDIR: 443 case EIO_READDIR:
227 { 444 {
228 SV *rv = &PL_sv_undef; 445 SV *rv = &PL_sv_undef;
229 446
230 if (req->result >= 0) 447 if (req->result >= 0)
231 { 448 {
232 int i; 449 int i;
233 char *buf = req->ptr2; 450 char *names = (char *)req->ptr2;
451 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 452 AV *av = newAV ();
235 453
236 av_extend (av, req->result - 1); 454 av_extend (av, req->result - 1);
237 455
238 for (i = 0; i < req->result; ++i) 456 for (i = 0; i < req->result; ++i)
239 { 457 {
240 if (req->int1 & EIO_READDIR_DENTS) 458 if (req->int1 & EIO_READDIR_DENTS)
241 { 459 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 460 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 461
245 if (req->int1 & EIO_READDIR_CUSTOM2) 462 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 463 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 464 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 465 AV *avent = newAV ();
262 av_store (av, i, newRV_noinc ((SV *)avent)); 479 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 480 }
264 else 481 else
265 av_store (av, i, namesv); 482 av_store (av, i, namesv);
266 483
267 buf += sizeof (eio_dirent); 484 ++ent;
268 } 485 }
269 else 486 else
270 { 487 {
271 SV *name = newSVpv (buf, 0); 488 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 489 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 490 names += SvCUR (name) + 1;
274 } 491 }
275 } 492 }
276 493
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 494 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 495 }
283 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))));
284 } 501 }
285 break; 502 break;
286 503
287 case EIO_OPEN: 504 case EIO_OPEN:
505 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
506 break;
507
508 case EIO_STATVFS:
509 case EIO_FSTATVFS:
288 { 510 {
289 /* convert fd to fh */
290 SV *fh = &PL_sv_undef; 511 SV *rv = &PL_sv_undef;
291 512
513#ifndef _WIN32
292 if (req->result >= 0) 514 if (req->result >= 0)
293 { 515 {
516 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
294 GV *gv = (GV *)sv_newmortal (); 517 HV *hv = newHV ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
296 char sym [64]; 519 * chooses to make it a struct.
297 int symlen;
298 520 */
299 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 521 unsigned long fsid = 0;
300 gv_init (gv, stash, sym, symlen, 0); 522 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
301 523
302 symlen = snprintf ( 524 rv = sv_2mortal (newRV_noinc ((SV *)hv));
303 sym,
304 sizeof (sym),
305 "%s&=%d",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 (int)req->result
308 );
309 525
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 526 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
311 fh = (SV *)gv; 527 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
528 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
529 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
530 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
531 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
532 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
533 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
534 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
535 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
536 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
312 } 537 }
538#endif
313 539
314 PUSHs (fh); 540 PUSHs (rv);
315 } 541 }
542
316 break; 543 break;
317 544
318 case EIO_GROUP: 545 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 546 req->int1 = 2; /* mark group as finished */
320 547
332 case EIO_NOP: 559 case EIO_NOP:
333 case EIO_BUSY: 560 case EIO_BUSY:
334 break; 561 break;
335 562
336 case EIO_READLINK: 563 case EIO_READLINK:
564 case EIO_REALPATH:
337 if (req->result > 0) 565 if (req->result > 0)
338 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 566 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339 break; 567 break;
340 568
341 case EIO_STAT: 569 case EIO_STAT:
342 case EIO_LSTAT: 570 case EIO_LSTAT:
343 case EIO_FSTAT: 571 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 572 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
573
345 PL_laststatval = req->result; 574 if (!(PL_laststatval = req->result))
575 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 576 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 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)));
348 break; 583 break;
349 584
350 case EIO_READ: 585 case EIO_READ:
351 { 586 {
352 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));
353 *SvEND (req->sv2) = 0; 588 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 589 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 590 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 591 PUSHs (sv_result);
357 } 592 }
358 break; 593 break;
359 594
360 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 */
361 if (req->result > 0) 636 if (req->result > 0)
362 req->result = 0; 637 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 638 /* FALLTHROUGH */
364 639
365 default: 640 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 641 PUSHs (sv_result);
367 break; 642 break;
368 } 643 }
369 644
370 errno = req->errorno; 645 errno = req->errorno;
371 646
372 PUTBACK; 647 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 648 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 SPAGAIN; 649 SPAGAIN;
375 650
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
376 FREETMPS; 656 FREETMPS;
377 LEAVE; 657 LEAVE;
378 658
379 PUTBACK; 659 PUTBACK;
380 } 660 }
381 661
382 return !!SvTRUE (ERRSV); 662 return !!SvTRUE (ERRSV);
383} 663}
384 664
665static void
385static void req_destroy (aio_req req) 666req_destroy (aio_req req)
386{ 667{
387 if (req->self) 668 if (req->self)
388 { 669 {
389 sv_unmagic (req->self, PERL_MAGIC_ext); 670 sv_unmagic (req->self, PERL_MAGIC_ext);
390 SvREFCNT_dec (req->self); 671 SvREFCNT_dec (req->self);
391 } 672 }
392 673
393 SvREFCNT_dec (req->sv1); 674 SvREFCNT_dec (req->sv1);
394 SvREFCNT_dec (req->sv2); 675 SvREFCNT_dec (req->sv2);
676 SvREFCNT_dec (req->sv3);
677 SvREFCNT_dec (req->sv4);
395 SvREFCNT_dec (req->callback); 678 SvREFCNT_dec (req->callback);
396 679
397 Safefree (req); 680 free (req);
398} 681}
399 682
683static void
400static void req_cancel_subs (aio_req grp) 684req_cancel_subs (aio_req grp)
401{ 685{
402 aio_req sub;
403
404 if (grp->type != EIO_GROUP) 686 if (grp->type != EIO_GROUP)
405 return; 687 return;
406 688
407 SvREFCNT_dec (grp->sv2); 689 SvREFCNT_dec (grp->sv2);
408 grp->sv2 = 0; 690 grp->sv2 = 0;
409 691
410 eio_grp_cancel (grp); 692 eio_grp_cancel (grp);
411} 693}
412 694
413#ifdef USE_SOCKETS_AS_HANDLES 695static void ecb_cold
414# define TO_SOCKET(x) (win32_get_osfhandle (x)) 696create_respipe (void)
415#else 697{
416# define TO_SOCKET(x) (x) 698 if (s_epipe_renew (&respipe))
417#endif 699 croak ("IO::AIO: unable to initialize result pipe");
700}
418 701
419static void 702static void
420create_respipe (void) 703poll_wait (void)
421{ 704{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe))
431#endif
432 croak ("unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455}
456
457static void poll_wait (void)
458{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 705 while (eio_nreqs ())
462 { 706 {
463 int size; 707 int size;
464 708
465 X_LOCK (reslock); 709 X_LOCK (reslock);
469 if (size) 713 if (size)
470 return; 714 return;
471 715
472 etp_maybe_start_thread (); 716 etp_maybe_start_thread ();
473 717
474 FD_ZERO (&rfd); 718 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 719 }
479} 720}
480 721
481static int poll_cb (void) 722static int
723poll_cb (void)
482{ 724{
483 for (;;) 725 for (;;)
484 { 726 {
485 int res = eio_poll (); 727 int res = eio_poll ();
486 728
492 734
493 poll_wait (); 735 poll_wait ();
494 } 736 }
495} 737}
496 738
497static void atfork_child (void) 739static void ecb_cold
740reinit (void)
498{ 741{
499 create_respipe (); 742 create_respipe ();
743
744 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library");
500} 746}
747
748/*****************************************************************************/
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
759#define MMAP_MAGIC PERL_MAGIC_ext
760
761static int ecb_cold
762mmap_free (pTHX_ SV *sv, MAGIC *mg)
763{
764 int old_errno = errno;
765 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
766 errno = old_errno;
767
768 mg->mg_obj = 0; /* just in case */
769
770 SvREADONLY_off (sv);
771
772 if (SvPVX (sv) != mg->mg_ptr)
773 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
774
775 SvCUR_set (sv, 0);
776 SvPVX (sv) = 0;
777 SvOK_off (sv);
778
779 return 0;
780}
781
782static MGVTBL mmap_vtbl = {
783 0, 0, 0, 0, mmap_free
784};
785
786/*****************************************************************************/
501 787
502static SV * 788static SV *
503get_cb (SV *cb_sv) 789get_cb (SV *cb_sv)
504{ 790{
505 HV *st; 791 SvGETMAGIC (cb_sv);
506 GV *gvp; 792 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
793}
794
795static aio_req ecb_noinline
796dreq (SV *callback)
797{
507 CV *cv; 798 SV *cb_cv;
799 aio_req req;
800 int req_pri = next_pri;
801 next_pri = EIO_PRI_DEFAULT;
508 802
509 if (!SvOK (cb_sv)) 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
510 return 0; 812 return req;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 813}
519 814
520#define dREQ \ 815#define dREQ \
521 SV *cb_cv; \ 816 aio_req req = dreq (callback); \
522 aio_req req; \
523 int req_pri = next_pri; \
524 next_pri = EIO_PRI_DEFAULT; \
525 \
526 cb_cv = get_cb (callback); \
527 \
528 Newz (0, req, 1, eio_req); \
529 if (!req) \
530 croak ("out of memory during eio_req allocation"); \
531 \
532 req->callback = SvREFCNT_inc (cb_cv); \
533 req->pri = req_pri
534 817
535#define REQ_SEND \ 818#define REQ_SEND \
536 PUTBACK; \ 819 PUTBACK; \
537 req_submit (req); \ 820 req_submit (req); \
538 SPAGAIN; \ 821 SPAGAIN; \
539 \ 822 \
540 if (GIMME_V != G_VOID) \ 823 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 824 XPUSHs (req_sv (req, aio_req_stash));
542 825
543static int 826ecb_inline void
544extract_fd (SV *fh, int wr) 827req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
545{ 828{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 829 if (expect_false (SvROK (path)))
830 {
831 SV *rv = SvRV (path);
832 SV *wdob;
547 833
548 if (fd < 0) 834 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); 835 {
836 path = AvARRAY (rv)[1];
837 wdob = AvARRAY (rv)[0];
550 838
551 return fd; 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);
552} 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;
553 891
554MODULE = IO::AIO PACKAGE = IO::AIO 892MODULE = IO::AIO PACKAGE = IO::AIO
555 893
556PROTOTYPES: ENABLE 894PROTOTYPES: ENABLE
557 895
559{ 897{
560 static const struct { 898 static const struct {
561 const char *name; 899 const char *name;
562 IV iv; 900 IV iv;
563 } *civ, const_iv[] = { 901 } *civ, const_iv[] = {
564# define const_iv(name, value) { # name, (IV) value }, 902# define const_niv(name, value) { # name, (IV) value },
903# define const_iv(name) { # name, (IV) name },
565# define const_eio(name) { # name, (IV) EIO_ ## name }, 904# define const_eio(name) { # name, (IV) EIO_ ## name },
566 const_iv (EXDEV , EXDEV) 905
906 /* you have to re-run ./gendef0 after adding/removing any constants here */
907 /* the first block can be undef if missing */
567 const_iv (ENOSYS , ENOSYS) 908 const_iv (ENOSYS)
909 const_iv (EXDEV)
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 */
568 const_iv (O_RDONLY, O_RDONLY) 930 const_iv (O_RDONLY)
569 const_iv (O_WRONLY, O_WRONLY) 931 const_iv (O_WRONLY)
932 const_iv (O_RDWR)
570 const_iv (O_CREAT , O_CREAT) 933 const_iv (O_CREAT)
571 const_iv (O_TRUNC , O_TRUNC) 934 const_iv (O_TRUNC)
572#ifndef _WIN32 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
573 const_iv (S_IFIFO , S_IFIFO) 956 const_iv (S_IFIFO)
574#endif 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)
965
966 const_iv (ST_RDONLY)
967 const_iv (ST_NOSUID)
968 const_iv (ST_NODEV)
969 const_iv (ST_NOEXEC)
970 const_iv (ST_SYNCHRONOUS)
971 const_iv (ST_MANDLOCK)
972 const_iv (ST_WRITE)
973 const_iv (ST_APPEND)
974 const_iv (ST_IMMUTABLE)
975 const_iv (ST_NOATIME)
976 const_iv (ST_NODIRATIME)
977 const_iv (ST_RELATIME)
978
979 const_iv (PROT_NONE)
980 const_iv (PROT_EXEC)
981 const_iv (PROT_READ)
982 const_iv (PROT_WRITE)
983
984 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED)
987 const_iv (MAP_ANONYMOUS)
988
989 /* linuxish */
990 const_iv (MAP_HUGETLB)
991 const_iv (MAP_LOCKED)
992 const_iv (MAP_NORESERVE)
993 const_iv (MAP_POPULATE)
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)
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
1025 const_eio (MCL_FUTURE)
1026 const_eio (MCL_CURRENT)
1027
1028 const_eio (MS_ASYNC)
1029 const_eio (MS_INVALIDATE)
1030 const_eio (MS_SYNC)
1031
1032 const_eio (MT_MODIFY)
1033
575 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1034 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
576 const_eio (SYNC_FILE_RANGE_WRITE) 1035 const_eio (SYNC_FILE_RANGE_WRITE)
577 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)
578 1042
579 const_eio (READDIR_DENTS) 1043 const_eio (READDIR_DENTS)
580 const_eio (READDIR_DIRS_FIRST) 1044 const_eio (READDIR_DIRS_FIRST)
581 const_eio (READDIR_STAT_ORDER) 1045 const_eio (READDIR_STAT_ORDER)
582 const_eio (READDIR_FOUND_UNKNOWN) 1046 const_eio (READDIR_FOUND_UNKNOWN)
590 const_eio (DT_LNK) 1054 const_eio (DT_LNK)
591 const_eio (DT_SOCK) 1055 const_eio (DT_SOCK)
592 const_eio (DT_WHT) 1056 const_eio (DT_WHT)
593 }; 1057 };
594 1058
595 stash = gv_stashpv ("IO::AIO", 1); 1059 aio_stash = gv_stashpv ("IO::AIO" , 1);
1060 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1061 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1062 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
596 1063
597 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--)
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1065 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599 1066
600 create_respipe (); 1067 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601 1068
602 if (eio_init (want_poll, done_poll) < 0) 1069 reinit ();
603 croak ("IO::AIO: unable to initialise eio library");
604
605 /* atfork child called in fifo order, so before eio's handler */
606 X_THREAD_ATFORK (0, 0, atfork_child);
607} 1070}
608 1071
609void 1072void
1073reinit ()
1074 PROTOTYPE:
1075
1076void
610max_poll_reqs (int nreqs) 1077max_poll_reqs (unsigned int nreqs)
611 PROTOTYPE: $ 1078 PROTOTYPE: $
612 CODE: 1079 CODE:
613 eio_set_max_poll_reqs (nreqs); 1080 eio_set_max_poll_reqs (nreqs);
614 1081
615void 1082void
617 PROTOTYPE: $ 1084 PROTOTYPE: $
618 CODE: 1085 CODE:
619 eio_set_max_poll_time (nseconds); 1086 eio_set_max_poll_time (nseconds);
620 1087
621void 1088void
622min_parallel (int nthreads) 1089min_parallel (unsigned int nthreads)
623 PROTOTYPE: $ 1090 PROTOTYPE: $
624 CODE: 1091 CODE:
625 eio_set_min_parallel (nthreads); 1092 eio_set_min_parallel (nthreads);
626 1093
627void 1094void
628max_parallel (int nthreads) 1095max_parallel (unsigned int nthreads)
629 PROTOTYPE: $ 1096 PROTOTYPE: $
630 CODE: 1097 CODE:
631 eio_set_max_parallel (nthreads); 1098 eio_set_max_parallel (nthreads);
632 1099
633void 1100void
634max_idle (int nthreads) 1101max_idle (unsigned int nthreads)
635 PROTOTYPE: $ 1102 PROTOTYPE: $
636 CODE: 1103 CODE:
637 eio_set_max_idle (nthreads); 1104 eio_set_max_idle (nthreads);
638 1105
639void 1106void
1107idle_timeout (unsigned int seconds)
1108 PROTOTYPE: $
1109 CODE:
1110 eio_set_idle_timeout (seconds);
1111
1112void
640max_outstanding (int maxreqs) 1113max_outstanding (unsigned int maxreqs)
641 PROTOTYPE: $ 1114 PROTOTYPE: $
642 CODE: 1115 CODE:
643 max_outstanding = maxreqs; 1116 max_outstanding = maxreqs;
644 1117
645void 1118void
646aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1119aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
647 PROTOTYPE: $$$;$
648 PPCODE: 1120 PPCODE:
649{ 1121{
650 dREQ; 1122 dREQ;
651 1123
1124 req->type = EIO_WD_OPEN;
1125 req_set_path1 (req, pathname);
1126
1127 REQ_SEND;
1128}
1129
1130void
1131aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1132 PPCODE:
1133{
1134 dREQ;
1135
652 req->type = EIO_OPEN; 1136 req->type = EIO_OPEN;
653 req->sv1 = newSVsv (pathname); 1137 req_set_path1 (req, pathname);
654 req->ptr1 = SvPVbyte_nolen (req->sv1);
655 req->int1 = flags; 1138 req->int1 = flags;
656 req->int2 = mode; 1139 req->int2 = mode;
657 1140
658 REQ_SEND; 1141 REQ_SEND;
659} 1142}
660 1143
661void 1144void
662aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1145aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
663 PROTOTYPE: $;$
664 ALIAS: 1146 ALIAS:
665 aio_fsync = EIO_FSYNC 1147 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 1148 aio_fdatasync = EIO_FDATASYNC
1149 aio_syncfs = EIO_SYNCFS
667 PPCODE: 1150 PPCODE:
668{ 1151{
669 int fd = extract_fd (fh, 0); 1152 int fd = s_fileno_croak (fh, 0);
670 dREQ; 1153 dREQ;
671 1154
672 req->type = ix; 1155 req->type = ix;
673 req->sv1 = newSVsv (fh); 1156 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 1157 req->int1 = fd;
675 1158
676 REQ_SEND (req); 1159 REQ_SEND;
677} 1160}
678 1161
679void 1162void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1163aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
681 PROTOTYPE: $$$$;$
682 PPCODE: 1164 PPCODE:
683{ 1165{
684 int fd = extract_fd (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
685 dREQ; 1167 dREQ;
686 1168
687 req->type = EIO_SYNC_FILE_RANGE; 1169 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 1170 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 1171 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 1172 req->offs = offset;
691 req->size = SvVAL64 (nbytes); 1173 req->size = nbytes;
692 req->int2 = flags; 1174 req->int2 = flags;
693 1175
694 REQ_SEND (req); 1176 REQ_SEND;
695} 1177}
696 1178
697void 1179void
698aio_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)
699 PROTOTYPE: $;$
700 PPCODE: 1181 PPCODE:
701{ 1182{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1183 int fd = s_fileno_croak (fh, 0);
703 int fd = extract_fd (fh, 0);
704 dREQ; 1184 dREQ;
705 1185
706 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))
707 { 1205 {
708 int pipefd [2]; 1206 int pipefd [2];
709 1207
1208 if (
1209#ifdef _WIN32
1210 _pipe (pipefd, 1, _O_BINARY) < 0
1211#else
710 if (pipe (pipefd) < 0 1212 pipe (pipefd) < 0
711 || close (pipefd [1]) < 0
712 || 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 )
713 abort (); /*D*/ 1217 abort (); /*D*/
714 1218
715 close_pipe = pipefd [0]; 1219 close_fd = pipefd [0];
716 } 1220 }
717 1221
718 req->type = EIO_DUP2; 1222 req->type = EIO_DUP2;
719 req->int1 = close_pipe; 1223 req->int1 = close_fd;
720 req->sv2 = newSVsv (fh); 1224 req->sv2 = newSVsv (fh);
721 req->int2 = fd; 1225 req->int2 = fd;
722 1226
723 REQ_SEND (req); 1227 REQ_SEND;
724} 1228}
725 1229
726void 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
727aio_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)
728 ALIAS: 1248 ALIAS:
729 aio_read = EIO_READ 1249 aio_read = EIO_READ
730 aio_write = EIO_WRITE 1250 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$
732 PPCODE: 1251 PPCODE:
733{ 1252{
734 STRLEN svlen; 1253 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 1254 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 1255 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 1256 UV len = SvUV (length);
738 1257
739 if (dataoffset < 0) 1258 if (dataoffset < 0)
740 dataoffset += svlen; 1259 dataoffset += svlen;
749 len = svlen - dataoffset; 1268 len = svlen - dataoffset;
750 } 1269 }
751 else 1270 else
752 { 1271 {
753 /* read: check type and grow scalar as necessary */ 1272 /* read: check type and grow scalar as necessary */
754 SvUPGRADE (data, SVt_PV); 1273 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
755 svptr = SvGROW (data, len + dataoffset + 1); 1274 svptr = sv_grow (data, len + dataoffset + 1);
1275 else if (SvCUR (data) < len + dataoffset)
1276 croak ("length + dataoffset outside of scalar, and cannot grow");
756 } 1277 }
757 1278
758 { 1279 {
759 dREQ; 1280 dREQ;
760 1281
776 REQ_SEND; 1297 REQ_SEND;
777 } 1298 }
778} 1299}
779 1300
780void 1301void
781aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1302aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
782 PROTOTYPE: $$;$ 1303 ALIAS:
1304 aio_readlink = EIO_READLINK
1305 aio_realpath = EIO_REALPATH
783 PPCODE: 1306 PPCODE:
784{ 1307{
785 SV *data;
786 dREQ; 1308 dREQ;
787 1309
788 req->type = EIO_READLINK; 1310 req->type = ix;
789 req->sv1 = newSVsv (path); 1311 req_set_path1 (req, pathname);
790 req->ptr1 = SvPVbyte_nolen (req->sv1);
791 1312
792 REQ_SEND; 1313 REQ_SEND;
793} 1314}
794 1315
795void 1316void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV 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)
797 PROTOTYPE: $$$$;$
798 PPCODE: 1318 PPCODE:
799{ 1319{
800 int ifd = extract_fd (in_fh , 0); 1320 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 1321 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 1322 dREQ;
803 1323
804 req->type = EIO_SENDFILE; 1324 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 1325 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 1326 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 1327 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 1328 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 1329 req->offs = in_offset;
810 req->size = length; 1330 req->size = length;
811 1331
812 REQ_SEND; 1332 REQ_SEND;
813} 1333}
814 1334
815void 1335void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1336aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1337 PPCODE:
819{ 1338{
820 int fd = extract_fd (fh, 0); 1339 int fd = s_fileno_croak (fh, 0);
821 dREQ; 1340 dREQ;
822 1341
823 req->type = EIO_READAHEAD; 1342 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 1343 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 1344 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 1345 req->offs = offset;
827 req->size = length; 1346 req->size = length;
828 1347
829 REQ_SEND; 1348 REQ_SEND;
830} 1349}
831 1350
832void 1351void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1352aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
834 ALIAS: 1353 ALIAS:
835 aio_stat = EIO_STAT 1354 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1355 aio_lstat = EIO_LSTAT
1356 aio_statvfs = EIO_STATVFS
837 PPCODE: 1357 PPCODE:
838{ 1358{
839 dREQ; 1359 dREQ;
840 1360
841 req->sv1 = newSVsv (fh_or_path); 1361 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
842
843 if (SvPOK (req->sv1))
844 {
845 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 }
848 else
849 {
850 req->type = EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 }
853 1362
854 REQ_SEND; 1363 REQ_SEND;
855} 1364}
856 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
857void 1382void
858aio_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)
859 PPCODE: 1384 PPCODE:
860{ 1385{
861 dREQ; 1386 dREQ;
862 1387
863 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1388 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1389 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865 req->sv1 = newSVsv (fh_or_path); 1390 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
866
867 if (SvPOK (req->sv1))
868 {
869 req->type = EIO_UTIME;
870 req->ptr1 = SvPVbyte_nolen (req->sv1);
871 }
872 else
873 {
874 req->type = EIO_FUTIME;
875 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876 }
877 1391
878 REQ_SEND; 1392 REQ_SEND;
879} 1393}
880 1394
881void 1395void
882aio_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)
883 PPCODE: 1397 PPCODE:
884{ 1398{
885 dREQ; 1399 dREQ;
886 1400
887 req->sv1 = newSVsv (fh_or_path);
888 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1401 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889 1402 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
890 if (SvPOK (req->sv1))
891 {
892 req->type = EIO_TRUNCATE;
893 req->ptr1 = SvPVbyte_nolen (req->sv1);
894 }
895 else
896 {
897 req->type = EIO_FTRUNCATE;
898 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899 }
900 1403
901 REQ_SEND; 1404 REQ_SEND;
902} 1405}
903 1406
904void 1407void
905aio_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)
906 ALIAS:
907 aio_chmod = EIO_CHMOD
908 aio_mkdir = EIO_MKDIR
909 PPCODE: 1409 PPCODE:
910{ 1410{
911 dREQ; 1411 dREQ;
912 1412
913 req->int2 = mode; 1413 req->int2 = mode;
914 req->sv1 = newSVsv (fh_or_path); 1414 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
915
916 if (SvPOK (req->sv1))
917 {
918 req->type = ix;
919 req->ptr1 = SvPVbyte_nolen (req->sv1);
920 }
921 else
922 {
923 req->type = EIO_FCHMOD;
924 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
925 }
926 1415
927 REQ_SEND; 1416 REQ_SEND;
928} 1417}
929 1418
930void 1419void
931aio_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)
932 PPCODE: 1421 PPCODE:
933{ 1422{
934 dREQ; 1423 dREQ;
935 1424
936 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1425 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1426 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938 req->sv1 = newSVsv (fh_or_path); 1427 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
939
940 if (SvPOK (req->sv1))
941 {
942 req->type = EIO_CHOWN;
943 req->ptr1 = SvPVbyte_nolen (req->sv1);
944 }
945 else
946 {
947 req->type = EIO_FCHOWN;
948 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
949 }
950 1428
951 REQ_SEND; 1429 REQ_SEND;
952} 1430}
953 1431
954void 1432void
955aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1433aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
956 PPCODE: 1434 PPCODE:
957{ 1435{
958 dREQ; 1436 dREQ;
959 1437
960 req->type = EIO_READDIR; 1438 req->type = EIO_READDIR;
961 req->sv1 = newSVsv (pathname);
962 req->ptr1 = SvPVbyte_nolen (req->sv1);
963 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1439 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
964 1440
965 if (flags & EIO_READDIR_DENTS) 1441 if (flags & EIO_READDIR_DENTS)
966 req->int1 |= EIO_READDIR_CUSTOM2; 1442 req->int1 |= EIO_READDIR_CUSTOM2;
967 1443
1444 req_set_path1 (req, pathname);
1445
968 REQ_SEND; 1446 REQ_SEND;
969} 1447}
970 1448
971void 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
972aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1463aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
973 ALIAS: 1464 ALIAS:
974 aio_unlink = EIO_UNLINK 1465 aio_unlink = EIO_UNLINK
975 aio_rmdir = EIO_RMDIR 1466 aio_rmdir = EIO_RMDIR
976 aio_readdir = EIO_READDIR 1467 aio_readdir = EIO_READDIR
977 PPCODE: 1468 PPCODE:
978{ 1469{
979 dREQ; 1470 dREQ;
980 1471
981 req->type = ix; 1472 req->type = ix;
982 req->sv1 = newSVsv (pathname); 1473 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 1474
985 REQ_SEND; 1475 REQ_SEND;
986} 1476}
987 1477
988void 1478void
989aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1479aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
990 ALIAS: 1480 ALIAS:
991 aio_link = EIO_LINK 1481 aio_link = EIO_LINK
992 aio_symlink = EIO_SYMLINK 1482 aio_symlink = EIO_SYMLINK
993 aio_rename = EIO_RENAME 1483 aio_rename = EIO_RENAME
994 PPCODE: 1484 PPCODE:
995{ 1485{
1486 eio_wd wd2 = 0;
996 dREQ; 1487 dREQ;
997 1488
998 req->type = ix; 1489 req->type = ix;
999 req->sv1 = newSVsv (oldpath); 1490 req_set_path1 (req, oldpath);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1); 1491 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001 req->sv2 = newSVsv (newpath); 1492 req->int3 = (long)wd2;
1002 req->ptr2 = SvPVbyte_nolen (req->sv2);
1003 1493
1004 REQ_SEND; 1494 REQ_SEND;
1005} 1495}
1006 1496
1007void 1497void
1008aio_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)
1009 PPCODE: 1499 PPCODE:
1010{ 1500{
1011 dREQ; 1501 dREQ;
1012 1502
1013 req->type = EIO_MKNOD; 1503 req->type = EIO_MKNOD;
1014 req->sv1 = newSVsv (pathname);
1015 req->ptr1 = SvPVbyte_nolen (req->sv1);
1016 req->int2 = (mode_t)mode; 1504 req->int2 = (mode_t)mode;
1017 req->offs = dev; 1505 req->offs = dev;
1506 req_set_path1 (req, pathname);
1018 1507
1019 REQ_SEND; 1508 REQ_SEND;
1020} 1509}
1021 1510
1022void 1511void
1512aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1513 ALIAS:
1514 aio_mtouch = EIO_MTOUCH
1515 aio_msync = EIO_MSYNC
1516 PPCODE:
1517{
1518 STRLEN svlen;
1519 char *svptr = SvPVbyte (data, svlen);
1520 UV len = SvUV (length);
1521
1522 if (offset < 0)
1523 offset += svlen;
1524
1525 if (offset < 0 || offset > svlen)
1526 croak ("offset outside of scalar");
1527
1528 if (!SvOK (length) || len + offset > svlen)
1529 len = svlen - offset;
1530
1531 {
1532 dREQ;
1533
1534 req->type = ix;
1535 req->sv2 = SvREFCNT_inc (data);
1536 req->ptr2 = (char *)svptr + offset;
1537 req->size = len;
1538 req->int1 = flags;
1539
1540 REQ_SEND;
1541 }
1542}
1543
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
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 1609aio_busy (double delay, SV *callback = &PL_sv_undef)
1024 PPCODE: 1610 PPCODE:
1025{ 1611{
1026 dREQ; 1612 dREQ;
1027 1613
1028 req->type = EIO_BUSY; 1614 req->type = EIO_BUSY;
1030 1616
1031 REQ_SEND; 1617 REQ_SEND;
1032} 1618}
1033 1619
1034void 1620void
1035aio_group (SV *callback=&PL_sv_undef) 1621aio_group (SV *callback = &PL_sv_undef)
1036 PROTOTYPE: ;$
1037 PPCODE: 1622 PPCODE:
1038{ 1623{
1039 dREQ; 1624 dREQ;
1040 1625
1041 req->type = EIO_GROUP; 1626 req->type = EIO_GROUP;
1042 1627
1628 PUTBACK;
1043 req_submit (req); 1629 req_submit (req);
1630 SPAGAIN;
1631
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1632 XPUSHs (req_sv (req, aio_grp_stash));
1045} 1633}
1046 1634
1047void 1635void
1048aio_nop (SV *callback=&PL_sv_undef) 1636aio_nop (SV *callback = &PL_sv_undef)
1049 ALIAS: 1637 ALIAS:
1050 aio_nop = EIO_NOP 1638 aio_nop = EIO_NOP
1051 aio_sync = EIO_SYNC 1639 aio_sync = EIO_SYNC
1052 PPCODE: 1640 PPCODE:
1053{ 1641{
1057 1645
1058 REQ_SEND; 1646 REQ_SEND;
1059} 1647}
1060 1648
1061int 1649int
1062aioreq_pri (int pri = 0) 1650aioreq_pri (int pri = NO_INIT)
1063 PROTOTYPE: ;$
1064 CODE: 1651 CODE:
1065 RETVAL = next_pri; 1652 RETVAL = next_pri;
1066 if (items > 0) 1653 if (items > 0)
1067 { 1654 {
1068 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1655 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1080 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1667 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081 next_pri = nice; 1668 next_pri = nice;
1082 1669
1083void 1670void
1084flush () 1671flush ()
1085 PROTOTYPE:
1086 CODE: 1672 CODE:
1087 while (eio_nreqs ()) 1673 while (eio_nreqs ())
1088 { 1674 {
1089 poll_wait (); 1675 poll_wait ();
1090 poll_cb (); 1676 poll_cb ();
1091 } 1677 }
1092 1678
1093int 1679int
1094poll() 1680poll ()
1095 PROTOTYPE:
1096 CODE: 1681 CODE:
1097 poll_wait (); 1682 poll_wait ();
1098 RETVAL = poll_cb (); 1683 RETVAL = poll_cb ();
1099 OUTPUT: 1684 OUTPUT:
1100 RETVAL 1685 RETVAL
1101 1686
1102int 1687int
1103poll_fileno() 1688poll_fileno ()
1104 PROTOTYPE:
1105 CODE: 1689 CODE:
1106 RETVAL = respipe [0]; 1690 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 1691 OUTPUT:
1108 RETVAL 1692 RETVAL
1109 1693
1110int 1694int
1111poll_cb(...) 1695poll_cb (...)
1112 PROTOTYPE: 1696 PROTOTYPE:
1113 CODE: 1697 CODE:
1114 RETVAL = poll_cb (); 1698 RETVAL = poll_cb ();
1115 OUTPUT: 1699 OUTPUT:
1116 RETVAL 1700 RETVAL
1117 1701
1118void 1702void
1119poll_wait() 1703poll_wait ()
1120 PROTOTYPE:
1121 CODE: 1704 CODE:
1122 poll_wait (); 1705 poll_wait ();
1123 1706
1124int 1707int
1125nreqs() 1708nreqs ()
1126 PROTOTYPE:
1127 CODE: 1709 CODE:
1128 RETVAL = eio_nreqs (); 1710 RETVAL = eio_nreqs ();
1129 OUTPUT: 1711 OUTPUT:
1130 RETVAL 1712 RETVAL
1131 1713
1132int 1714int
1133nready() 1715nready ()
1134 PROTOTYPE:
1135 CODE: 1716 CODE:
1136 RETVAL = eio_nready (); 1717 RETVAL = eio_nready ();
1137 OUTPUT: 1718 OUTPUT:
1138 RETVAL 1719 RETVAL
1139 1720
1140int 1721int
1141npending() 1722npending ()
1142 PROTOTYPE:
1143 CODE: 1723 CODE:
1144 RETVAL = eio_npending (); 1724 RETVAL = eio_npending ();
1145 OUTPUT: 1725 OUTPUT:
1146 RETVAL 1726 RETVAL
1147 1727
1148int 1728int
1149nthreads() 1729nthreads ()
1150 PROTOTYPE:
1151 CODE: 1730 CODE:
1152 RETVAL = eio_nthreads (); 1731 RETVAL = eio_nthreads ();
1153 OUTPUT: 1732 OUTPUT:
1154 RETVAL 1733 RETVAL
1155 1734
1735int
1736fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1737 CODE:
1738 RETVAL = posix_fadvise (fh, offset, length, advice);
1739 OUTPUT:
1740 RETVAL
1741
1742IV
1743sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1744 CODE:
1745 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1746 OUTPUT:
1747 RETVAL
1748
1749void
1750mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1751 PPCODE:
1752 sv_unmagic (scalar, MMAP_MAGIC);
1753{
1754 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1755 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1756 if (addr == (void *)-1)
1757 XSRETURN_NO;
1758
1759 sv_force_normal (scalar);
1760
1761 /* we store the length in mg_obj, as namlen is I32 :/ */
1762 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1763 ->mg_obj = (SV *)length;
1764
1765 SvUPGRADE (scalar, SVt_PV); /* nop... */
1766
1767 if (!(prot & PROT_WRITE))
1768 SvREADONLY_on (scalar);
1769
1770 if (SvLEN (scalar))
1771 Safefree (SvPVX (scalar));
1772
1773 SvPVX (scalar) = (char *)addr;
1774 SvCUR_set (scalar, length);
1775 SvLEN_set (scalar, 0);
1776 SvPOK_only (scalar);
1777
1778 XSRETURN_YES;
1779}
1780
1781void
1782munmap (SV *scalar)
1783 CODE:
1784 sv_unmagic (scalar, MMAP_MAGIC);
1785
1786int
1787madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1788 ALIAS:
1789 mprotect = 1
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);
1836#if _POSIX_MEMLOCK_RANGE
1837 RETVAL = munlock (addr, len);
1838#else
1839 RETVAL = EIO_ENOSYS ();
1840#endif
1841}
1842 OUTPUT:
1843 RETVAL
1844
1845int
1846munlockall ()
1847 CODE:
1848#if _POSIX_MEMLOCK
1849 munlockall ();
1850#else
1851 RETVAL = EIO_ENOSYS ();
1852#endif
1853 OUTPUT:
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}
1925
1156void _on_next_submit (SV *cb) 1926void _on_next_submit (SV *cb)
1157 CODE: 1927 CODE:
1158 SvREFCNT_dec (on_next_submit); 1928 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1929 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 1930
1161PROTOTYPES: DISABLE 1931PROTOTYPES: DISABLE
1162 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
1163MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1961MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164 1962
1165void 1963void
1166cancel (aio_req_ornot req) 1964cancel (aio_req_ornot req)
1167 CODE: 1965 CODE:
1168 eio_cancel (req); 1966 eio_cancel (req);
1169 1967
1170void 1968void
1171cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1969cb (aio_req_ornot req, SV *callback = NO_INIT)
1172 PPCODE: 1970 PPCODE:
1173{ 1971{
1174 if (GIMME_V != G_VOID) 1972 if (GIMME_V != G_VOID)
1175 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);
1176 1974
1241limit (aio_req grp, int limit) 2039limit (aio_req grp, int limit)
1242 CODE: 2040 CODE:
1243 eio_grp_limit (grp, limit); 2041 eio_grp_limit (grp, limit);
1244 2042
1245void 2043void
1246feed (aio_req grp, SV *callback=&PL_sv_undef) 2044feed (aio_req grp, SV *callback = &PL_sv_undef)
1247 CODE: 2045 CODE:
1248{ 2046{
1249 SvREFCNT_dec (grp->sv2); 2047 SvREFCNT_dec (grp->sv2);
1250 grp->sv2 = newSVsv (callback); 2048 grp->sv2 = newSVsv (callback);
1251 grp->feed = aio_grp_feed; 2049 grp->feed = aio_grp_feed;

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