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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.144 by root, Fri Jun 12 16:48:08 2009 UTC vs.
Revision 1.261 by root, Tue Jul 24 19:32:20 2018 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#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
8 12
9#include <stddef.h> 13#include <stddef.h>
10#include <stdlib.h> 14#include <stdlib.h>
11#include <errno.h> 15#include <errno.h>
12#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
13#include <sys/stat.h> 18#include <sys/stat.h>
14#include <limits.h> 19#include <limits.h>
15#include <fcntl.h> 20#include <fcntl.h>
16#include <sched.h> 21#include <sched.h>
17 22
23#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
24# include <sys/mman.h>
25#endif
26
27/* the incompetent fool that created musl keeps __linux__, refuses
28 * to implement any linux standard apis, and also has no way to test
29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
31 */
32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
33# include <linux/fs.h>
34# ifdef FS_IOC_FIEMAP
35# include <linux/types.h>
36# include <linux/fiemap.h>
37# define HAVE_FIEMAP 1
38# endif
39#endif
40
18/* perl namespace pollution */ 41/* perl namespace pollution */
19#undef VERSION 42#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 43
70/* perl stupidly overrides readdir and maybe others */ 44/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 45/* with thread-unsafe versions, imagine that :( */
72#undef readdir 46#undef readdir
73#undef opendir 47#undef opendir
74#undef closedir 48#undef closedir
75 49
50#ifdef _WIN32
51
52 // perl overrides all those nice libc functions
53
54 #undef malloc
55 #undef free
56 #undef open
57 #undef read
58 #undef write
59 #undef send
60 #undef recv
61 #undef stat
62 #undef lstat
63 #undef fstat
64 #undef truncate
65 #undef ftruncate
66 #undef open
67 #undef link
68 #undef close
69 #undef unlink
70 #undef mkdir
71 #undef rmdir
72 #undef rename
73 #undef lseek
74 #undef opendir
75 #undef readdir
76 #undef closedir
77 #undef chmod
78 #undef fchmod
79 #undef dup
80 #undef dup2
81 #undef abort
82 #undef pipe
83
84 #define EIO_STRUCT_STAT struct _stati64
76#define EIO_STRUCT_STAT Stat_t 85 #define EIO_STRUCT_STATI64
77 86
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define SvVAL64 SvIV
81#else 87#else
82# define SvVAL64 SvNV 88
89 #include <sys/time.h>
90 #include <sys/select.h>
91 #include <unistd.h>
92 #include <utime.h>
93 #include <signal.h>
94
95 #define EIO_STRUCT_STAT Stat_t
96
83#endif 97#endif
84 98
85/*****************************************************************************/ 99/*****************************************************************************/
86 100
87#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
95 109
96/*****************************************************************************/ 110/*****************************************************************************/
97 111
98static HV *stash; 112#include "libeio/config.h"
113
114#include "schmorp.h"
115
116#if HAVE_EVENTFD
117# include <sys/eventfd.h>
118#endif
119
120#if HAVE_TIMERFD
121# include <sys/timerfd.h>
122#endif
123
124#if HAVE_RLIMITS
125 #include <sys/time.h>
126 #include <sys/resource.h>
127#endif
128
99typedef SV SV8; /* byte-sv, used for argument-checking */ 129typedef SV SV8; /* byte-sv, used for argument-checking */
130typedef int aio_rfd; /* read file desriptor */
131typedef int aio_wfd; /* write file descriptor */
100 132
101#define AIO_REQ_KLASS "IO::AIO::REQ" 133static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 134
104#define EIO_REQ_MEMBERS \ 135#define EIO_REQ_MEMBERS \
105 SV *callback; \ 136 SV *callback; \
106 SV *sv1, *sv2; \ 137 SV *sv1, *sv2; \
138 SV *sv3, *sv4; \
107 STRLEN stroffset; \ 139 STRLEN stroffset; \
108 SV *self; 140 SV *self;
109 141
110#define EIO_NO_WRAPPERS 1 142#define EIO_NO_WRAPPERS 1
111 143
… …
114static int req_invoke (eio_req *req); 146static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 147#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 148static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 149#define EIO_DESTROY(req) req_destroy (req)
118 150
151#include "libeio/eio.c"
152
153#if !HAVE_POSIX_FADVISE
154# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
155#endif
156
157#if !HAVE_POSIX_MADVISE
158# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
159#endif
160
161#ifndef MAP_ANONYMOUS
162# ifdef MAP_ANON
163# define MAP_ANONYMOUS MAP_ANON
164# else
165# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
166# endif
167#endif
168
169#ifndef makedev
170# define makedev(maj,min) (((maj) << 8) | (min))
171#endif
172#ifndef major
173# define major(dev) ((dev) >> 8)
174#endif
175#ifndef minor
176# define minor(dev) ((dev) & 0xff)
177#endif
178
179#if PAGESIZE <= 0
180# define PAGESIZE sysconf (_SC_PAGESIZE)
181#endif
182
183/*****************************************************************************/
184
185#if !_POSIX_MAPPED_FILES
186# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
187# define munmap(addr,length) EIO_ENOSYS ()
188#endif
189
190#if !_POSIX_MEMORY_PROTECTION
191# define mprotect(addr,len,prot) EIO_ENOSYS ()
192#endif
193
194#if !MREMAP_MAYMOVE
195# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
196#endif
197
198#define FOREIGN_MAGIC PERL_MAGIC_ext
199
200static int ecb_cold
201mmap_free (pTHX_ SV *sv, MAGIC *mg)
202{
203 int old_errno = errno;
204 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
205 errno = old_errno;
206
207 mg->mg_obj = 0; /* just in case */
208
209 SvREADONLY_off (sv);
210
211 if (SvPVX (sv) != mg->mg_ptr)
212 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
213
214 SvCUR_set (sv, 0);
215 SvPVX (sv) = 0;
216 SvOK_off (sv);
217
218 return 0;
219}
220
221static MGVTBL mmap_vtbl = {
222 0, 0, 0, 0, mmap_free
223};
224
225static int ecb_cold
226sysfree_free (pTHX_ SV *sv, MAGIC *mg)
227{
228 free (mg->mg_ptr);
229 mg->mg_obj = 0; /* just in case */
230
231 SvREADONLY_off (sv);
232
233 if (SvPVX (sv) != mg->mg_ptr)
234 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
235
236 SvCUR_set (sv, 0);
237 SvPVX (sv) = 0;
238 SvOK_off (sv);
239
240 return 0;
241}
242
243static MGVTBL sysfree_vtbl = {
244 0, 0, 0, 0, sysfree_free
245};
246
247/*****************************************************************************/
248
249/* helper: set scalar to foreign ptr with custom free */
250static void
251sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
252{
253 sv_force_normal (sv);
254
255 /* we store the length in mg_obj, as namlen is I32 :/ */
256 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
257 ->mg_obj = (SV *)length;
258
259 SvUPGRADE (sv, SVt_PV); /* nop... */
260
261 if (SvLEN (sv))
262 Safefree (SvPVX (sv));
263
264 SvPVX (sv) = (char *)addr;
265 SvCUR_set (sv, length);
266 SvLEN_set (sv, 0);
267 SvPOK_only (sv);
268}
269
270static void
271sv_clear_foreign (SV *sv)
272{
273 /* todo: iterate over magic and only free ours, but of course */
274 /* the perl5porters will call that (correct) behaviour buggy */
275 sv_unmagic (sv, FOREIGN_MAGIC);
276}
277
278/*****************************************************************************/
279
280/* defines all sorts of constants to 0 unless they are already defined */
281/* also provides const_iv_ and const_niv_ macros for them */
282#include "def0.h"
283
284/*****************************************************************************/
285
286static void
287fiemap (eio_req *req)
288{
289 req->result = -1;
290
291#if HAVE_FIEMAP
292 /* assume some c99 */
293 struct fiemap *fiemap = 0;
294 size_t end_offset;
295 int count = req->int3;
296
297 req->flags |= EIO_FLAG_PTR1_FREE;
298
299 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
300 /* increase in 3.5kb steps */
301 if (count < 0)
302 count = 8;
303
304 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
305 errno = ENOMEM;
306 if (!fiemap)
307 return;
308
309 req->ptr1 = fiemap;
310
311 fiemap->fm_start = req->offs;
312 fiemap->fm_length = req->size;
313 fiemap->fm_flags = req->int2;
314 fiemap->fm_extent_count = count;
315
316 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
317 return;
318
319 if (req->int3 >= 0 /* not autosizing */
320 || !fiemap->fm_mapped_extents /* no more extents */
321 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
322 goto done;
323
324 /* else we have to loop -
325 * it would be tempting (actually I tried that first) to just query the
326 * number of extents needed, but linux often feels like not returning all
327 * extents, without telling us it left any out. this complicates
328 * this quite a bit.
329 */
330
331 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
332
333 for (;;)
334 {
335 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
336 char scratch[3072];
337 struct fiemap *incmap = (struct fiemap *)scratch;
338
339 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
340 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
341 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
342 incmap->fm_flags = fiemap->fm_flags;
343 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
344
345 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
346 return;
347
348 if (!incmap->fm_mapped_extents)
349 goto done;
350
351 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
352 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM;
354 if (!fiemap)
355 return;
356
357 req->ptr1 = fiemap;
358
359 for (count = 0; count < incmap->fm_mapped_extents; ++count)
360 {
361 struct fiemap_extent *e = incmap->fm_extents + count;
362
363 if (e->fe_logical + e->fe_length >= end_offset)
364 goto done;
365
366 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
367
368 if (e->fe_flags & FIEMAP_EXTENT_LAST)
369 goto done;
370
371 }
372 }
373
374done:
375 req->result = 0;
376
377#else
378 errno = ENOSYS;
379#endif
380}
381
382/*****************************************************************************/
383
119enum { 384enum {
120 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 385 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121}; 386};
122 387
123#include "libeio/eio.c"
124
125typedef eio_req *aio_req; 388typedef eio_req *aio_req;
126typedef eio_req *aio_req_ornot; 389typedef eio_req *aio_req_ornot;
390typedef eio_wd aio_wd;
127 391
128static SV *on_next_submit; 392static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 393static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 394static int max_outstanding;
131 395
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 396static s_epipe respipe;
133 397
134static void req_destroy (aio_req req); 398static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 399static void req_cancel (aio_req req);
136 400
137static void want_poll (void) 401static void
402want_poll (void)
138{ 403{
139 /* write a dummy byte to the pipe so fh becomes ready */ 404 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 405 s_epipe_signal (&respipe);
141} 406}
142 407
143static void done_poll (void) 408static void
409done_poll (void)
144{ 410{
145 /* read any signals sent by the worker threads */ 411 /* read any signals sent by the worker threads */
146 char buf [4]; 412 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 413}
150 414
151/* must be called at most once */ 415/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 416static SV *
417req_sv (aio_req req, HV *stash)
153{ 418{
154 if (!req->self) 419 if (!req->self)
155 { 420 {
156 req->self = (SV *)newHV (); 421 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 422 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 423 }
159 424
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 425 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 426}
162 427
163static aio_req SvAIO_REQ (SV *sv) 428static SV *
429newSVaio_wd (aio_wd wd)
430{
431 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
432}
433
434static aio_req
435SvAIO_REQ (SV *sv)
164{ 436{
165 MAGIC *mg; 437 MAGIC *mg;
166 438
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 439 if (!SvROK (sv)
440 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
441 || (SvSTASH (SvRV (sv)) != aio_grp_stash
442 && SvSTASH (SvRV (sv)) != aio_req_stash
443 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 444 croak ("object of class IO::AIO::REQ expected");
169 445
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 446 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 447
172 return mg ? (aio_req)mg->mg_ptr : 0; 448 return mg ? (aio_req)mg->mg_ptr : 0;
173} 449}
174 450
451static aio_wd
452SvAIO_WD (SV *sv)
453{
454 if (!SvROK (sv)
455 || SvTYPE (SvRV (sv)) != SVt_PVMG
456 || SvSTASH (SvRV (sv)) != aio_wd_stash)
457 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
458
459 return (aio_wd)(long)SvIVX (SvRV (sv));
460}
461
462static SV *
463newmortalFH (int fd, int flags)
464{
465 if (fd < 0)
466 return &PL_sv_undef;
467
468 GV *gv = (GV *)sv_newmortal ();
469 char sym[64];
470 int symlen;
471
472 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
473 gv_init (gv, aio_stash, sym, symlen, 0);
474
475 symlen = snprintf (
476 sym,
477 sizeof (sym),
478 "%s&=%d",
479 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
480 fd
481 );
482
483 return do_open (gv, sym, symlen, 0, 0, 0, 0)
484 ? (SV *)gv : &PL_sv_undef;
485}
486
487static void
175static void aio_grp_feed (aio_req grp) 488aio_grp_feed (aio_req grp)
176{ 489{
177 if (grp->sv2 && SvOK (grp->sv2)) 490 if (grp->sv2 && SvOK (grp->sv2))
178 { 491 {
179 dSP; 492 dSP;
180 493
181 ENTER; 494 ENTER;
182 SAVETMPS; 495 SAVETMPS;
183 PUSHMARK (SP); 496 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 497 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 498 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 499 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 500 SPAGAIN;
188 FREETMPS; 501 FREETMPS;
189 LEAVE; 502 LEAVE;
190 } 503 }
191} 504}
192 505
506static void
193static void req_submit (eio_req *req) 507req_submit (eio_req *req)
194{ 508{
195 eio_submit (req); 509 eio_submit (req);
196 510
197 if (expect_false (on_next_submit)) 511 if (expect_false (on_next_submit))
198 { 512 {
… …
205 PUTBACK; 519 PUTBACK;
206 call_sv (cb, G_DISCARD | G_EVAL); 520 call_sv (cb, G_DISCARD | G_EVAL);
207 } 521 }
208} 522}
209 523
524static int
210static int req_invoke (eio_req *req) 525req_invoke (eio_req *req)
211{ 526{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 527 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 528 SvREADONLY_off (req->sv2);
216 529
217 if (!EIO_CANCELLED (req) && req->callback) 530 if (!EIO_CANCELLED (req) && req->callback)
218 { 531 {
532 dSP;
533 static SV *sv_result_cache; /* caches the result integer SV */
534 SV *sv_result;
535
219 ENTER; 536 ENTER;
220 SAVETMPS; 537 SAVETMPS;
221 PUSHMARK (SP); 538 PUSHMARK (SP);
222 EXTEND (SP, 1); 539 EXTEND (SP, 1);
223 540
541 /* do not recreate the result IV from scratch each time */
542 if (expect_true (sv_result_cache))
543 {
544 sv_result = sv_result_cache; sv_result_cache = 0;
545 SvIV_set (sv_result, req->result);
546 SvIOK_only (sv_result);
547 }
548 else
549 {
550 sv_result = newSViv (req->result);
551 SvREADONLY_on (sv_result);
552 }
553
224 switch (req->type) 554 switch (req->type)
225 { 555 {
556 case EIO_WD_OPEN:
557 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
558 break;
559
226 case EIO_READDIR: 560 case EIO_READDIR:
227 { 561 {
228 SV *rv = &PL_sv_undef; 562 SV *rv = &PL_sv_undef;
229 563
230 if (req->result >= 0) 564 if (req->result >= 0)
231 { 565 {
232 int i; 566 int i;
233 char *buf = req->ptr2; 567 char *names = (char *)req->ptr2;
568 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 569 AV *av = newAV ();
235 570
236 av_extend (av, req->result - 1); 571 av_extend (av, req->result - 1);
237 572
238 for (i = 0; i < req->result; ++i) 573 for (i = 0; i < req->result; ++i)
239 { 574 {
240 if (req->int1 & EIO_READDIR_DENTS) 575 if (req->int1 & EIO_READDIR_DENTS)
241 { 576 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 577 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 578
245 if (req->int1 & EIO_READDIR_CUSTOM2) 579 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 580 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 581 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 582 AV *avent = newAV ();
… …
262 av_store (av, i, newRV_noinc ((SV *)avent)); 596 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 597 }
264 else 598 else
265 av_store (av, i, namesv); 599 av_store (av, i, namesv);
266 600
267 buf += sizeof (eio_dirent); 601 ++ent;
268 } 602 }
269 else 603 else
270 { 604 {
271 SV *name = newSVpv (buf, 0); 605 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 606 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 607 names += SvCUR (name) + 1;
274 } 608 }
275 } 609 }
276 610
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 611 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 612 }
… …
283 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 617 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
284 } 618 }
285 break; 619 break;
286 620
287 case EIO_OPEN: 621 case EIO_OPEN:
622 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
623 break;
624
625 case EIO_STATVFS:
626 case EIO_FSTATVFS:
288 { 627 {
289 /* convert fd to fh */
290 SV *fh = &PL_sv_undef; 628 SV *rv = &PL_sv_undef;
291 629
630#ifndef _WIN32
292 if (req->result >= 0) 631 if (req->result >= 0)
293 { 632 {
633 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
294 GV *gv = (GV *)sv_newmortal (); 634 HV *hv = newHV ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 635 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
296 char sym [64]; 636 * chooses to make it a struct.
297 int symlen;
298 637 */
299 symlen = snprintf (sym, sizeof (sym), "fd#%u", (unsigned int)req->result); 638 unsigned long fsid = 0;
300 gv_init (gv, stash, sym, symlen, 0); 639 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
301 640
302 symlen = snprintf ( 641 rv = sv_2mortal (newRV_noinc ((SV *)hv));
303 sym,
304 sizeof (sym),
305 "%s&=%u",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 (unsigned int)req->result
308 );
309 642
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 643 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
311 fh = (SV *)gv; 644 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
645 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
646 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
647 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
648 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
649 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
650 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
651 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
652 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
653 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
312 } 654 }
655#endif
313 656
314 PUSHs (fh); 657 PUSHs (rv);
315 } 658 }
659
316 break; 660 break;
317 661
318 case EIO_GROUP: 662 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 663 req->int1 = 2; /* mark group as finished */
320 664
… …
332 case EIO_NOP: 676 case EIO_NOP:
333 case EIO_BUSY: 677 case EIO_BUSY:
334 break; 678 break;
335 679
336 case EIO_READLINK: 680 case EIO_READLINK:
681 case EIO_REALPATH:
337 if (req->result > 0) 682 if (req->result > 0)
338 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 683 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339 break; 684 break;
340 685
341 case EIO_STAT: 686 case EIO_STAT:
342 case EIO_LSTAT: 687 case EIO_LSTAT:
343 case EIO_FSTAT: 688 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 689 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
690
345 PL_laststatval = req->result; 691 if (!(PL_laststatval = req->result))
692 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 693 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 PUSHs (sv_2mortal (newSViv (req->result))); 694
695 PUSHs (sv_result);
696 break;
697
698 case EIO_SEEK:
699 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
348 break; 700 break;
349 701
350 case EIO_READ: 702 case EIO_READ:
351 { 703 {
352 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 704 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
353 *SvEND (req->sv2) = 0; 705 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 706 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 707 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 708 PUSHs (sv_result);
357 } 709 }
358 break; 710 break;
359 711
360 case EIO_DUP2: 712 case EIO_SLURP:
713 {
714 if (req->result >= 0)
715 {
716 /* if length was originally not known, we steal the malloc'ed memory */
717 if (req->flags & EIO_FLAG_PTR2_FREE)
718 {
719 req->flags &= ~EIO_FLAG_PTR2_FREE;
720 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
721 }
722 else
723 {
724 SvCUR_set (req->sv2, req->result);
725 *SvEND (req->sv2) = 0;
726 SvPOK_only (req->sv2);
727 }
728
729 SvSETMAGIC (req->sv2);
730 }
731
732 PUSHs (sv_result);
733 }
734 break;
735
736 case EIO_CUSTOM:
737 if (req->feed == fiemap)
738 {
739#if HAVE_FIEMAP
740 if (!req->result)
741 {
742 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
743
744 if (fiemap->fm_extent_count)
745 {
746 AV *av = newAV ();
747 int i;
748
749 while (fiemap->fm_mapped_extents)
750 {
751 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
752 AV *ext_av = newAV ();
753
754 av_store (ext_av, 3, newSVuv (extent->fe_flags));
755 av_store (ext_av, 2, newSVval64 (extent->fe_length));
756 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
757 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
758
759 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
760 }
761
762 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
763 }
764 else
765 {
766 SvIV_set (sv_result, fiemap->fm_mapped_extents);
767 PUSHs (sv_result);
768 }
769 }
770#endif
771 }
772 else
773 PUSHs (sv_result);
774 break;
775
776 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
361 if (req->result > 0) 777 if (req->result > 0)
362 req->result = 0; 778 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 779 /* FALLTHROUGH */
364 780
365 default: 781 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 782 PUSHs (sv_result);
367 break; 783 break;
368 } 784 }
369 785
370 errno = req->errorno; 786 errno = req->errorno;
371 787
372 PUTBACK; 788 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 789 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 SPAGAIN; 790 SPAGAIN;
375 791
792 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
793 SvREFCNT_dec (sv_result);
794 else
795 sv_result_cache = sv_result;
796
376 FREETMPS; 797 FREETMPS;
377 LEAVE; 798 LEAVE;
378 799
379 PUTBACK; 800 PUTBACK;
380 } 801 }
381 802
382 return !!SvTRUE (ERRSV); 803 return !!SvTRUE (ERRSV);
383} 804}
384 805
806static void
385static void req_destroy (aio_req req) 807req_destroy (aio_req req)
386{ 808{
387 if (req->self) 809 if (req->self)
388 { 810 {
389 sv_unmagic (req->self, PERL_MAGIC_ext); 811 sv_unmagic (req->self, PERL_MAGIC_ext);
390 SvREFCNT_dec (req->self); 812 SvREFCNT_dec (req->self);
391 } 813 }
392 814
393 SvREFCNT_dec (req->sv1); 815 SvREFCNT_dec (req->sv1);
394 SvREFCNT_dec (req->sv2); 816 SvREFCNT_dec (req->sv2);
817 SvREFCNT_dec (req->sv3);
818 SvREFCNT_dec (req->sv4);
395 SvREFCNT_dec (req->callback); 819 SvREFCNT_dec (req->callback);
396 820
397 Safefree (req); 821 free (req);
398} 822}
399 823
824static void
400static void req_cancel_subs (aio_req grp) 825req_cancel_subs (aio_req grp)
401{ 826{
402 aio_req sub;
403
404 if (grp->type != EIO_GROUP) 827 if (grp->type != EIO_GROUP)
405 return; 828 return;
406 829
407 SvREFCNT_dec (grp->sv2); 830 SvREFCNT_dec (grp->sv2);
408 grp->sv2 = 0; 831 grp->sv2 = 0;
409 832
410 eio_grp_cancel (grp); 833 eio_grp_cancel (grp);
411} 834}
412 835
413#ifdef USE_SOCKETS_AS_HANDLES 836static void ecb_cold
414# define TO_SOCKET(x) (win32_get_osfhandle (x)) 837create_respipe (void)
415#else 838{
416# define TO_SOCKET(x) (x) 839 if (s_epipe_renew (&respipe))
417#endif 840 croak ("IO::AIO: unable to initialize result pipe");
841}
418 842
419static void 843static void
420create_respipe (void) 844poll_wait (void)
421{ 845{
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 ()) 846 while (eio_nreqs ())
462 { 847 {
463 int size; 848 int size;
464 849
465 X_LOCK (reslock); 850 X_LOCK (EIO_POOL->reslock);
466 size = res_queue.size; 851 size = EIO_POOL->res_queue.size;
467 X_UNLOCK (reslock); 852 X_UNLOCK (EIO_POOL->reslock);
468 853
469 if (size) 854 if (size)
470 return; 855 return;
471 856
472 etp_maybe_start_thread (); 857 etp_maybe_start_thread (EIO_POOL);
473 858
474 FD_ZERO (&rfd); 859 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 860 }
479} 861}
480 862
481static int poll_cb (void) 863static int
864poll_cb (void)
482{ 865{
483 for (;;) 866 for (;;)
484 { 867 {
485 int res = eio_poll (); 868 int res = eio_poll ();
486 869
… …
492 875
493 poll_wait (); 876 poll_wait ();
494 } 877 }
495} 878}
496 879
497static void atfork_child (void) 880static void ecb_cold
881reinit (void)
498{ 882{
499 create_respipe (); 883 create_respipe ();
884
885 if (eio_init (want_poll, done_poll) < 0)
886 croak ("IO::AIO: unable to initialise eio library");
500} 887}
888
889/*****************************************************************************/
501 890
502static SV * 891static SV *
503get_cb (SV *cb_sv) 892get_cb (SV *cb_sv)
504{ 893{
505 HV *st; 894 SvGETMAGIC (cb_sv);
506 GV *gvp; 895 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
896}
897
898static aio_req ecb_noinline
899dreq (SV *callback)
900{
507 CV *cv; 901 SV *cb_cv;
902 aio_req req;
903 int req_pri = next_pri;
904 next_pri = EIO_PRI_DEFAULT;
508 905
509 if (!SvOK (cb_sv)) 906 cb_cv = get_cb (callback);
907
908 req = calloc (sizeof (*req), 1);
909 if (!req)
910 croak ("out of memory during eio_req allocation");
911
912 req->callback = SvREFCNT_inc (cb_cv);
913 req->pri = req_pri;
914
510 return 0; 915 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} 916}
519 917
520#define dREQ \ 918#define dREQ \
521 SV *cb_cv; \ 919 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
534 920
535#define REQ_SEND \ 921#define REQ_SEND \
536 PUTBACK; \ 922 PUTBACK; \
537 req_submit (req); \ 923 req_submit (req); \
538 SPAGAIN; \ 924 SPAGAIN; \
539 \ 925 \
540 if (GIMME_V != G_VOID) \ 926 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 927 XPUSHs (req_sv (req, aio_req_stash));
542 928
929ecb_inline void
930req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
931{
932 if (expect_false (SvROK (path)))
933 {
934 SV *rv = SvRV (path);
935 SV *wdob;
936
937 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
938 {
939 path = AvARRAY (rv)[1];
940 wdob = AvARRAY (rv)[0];
941
942 if (SvOK (wdob))
943 {
944 *wd = SvAIO_WD (wdob);
945 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
946 }
947 else
948 *wd = EIO_INVALID_WD;
949 }
950 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
951 {
952 *wd = (aio_wd)(long)SvIVX (rv);
953 *wdsv = SvREFCNT_inc_NN (rv);
954 *ptr = ".";
955 return; /* path set to "." */
956 }
957 else
958 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
959 }
960
961 *pathsv = newSVsv (path);
962 *ptr = SvPVbyte_nolen (*pathsv);
963}
964
965static void ecb_noinline
966req_set_path1 (aio_req req, SV *path)
967{
968 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
969}
970
971static void ecb_noinline
972req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
973{
974 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
975
976 switch (SvTYPE (rv))
977 {
978 case SVt_PVIO:
979 case SVt_PVLV:
980 case SVt_PVGV:
981 req->type = type_fh;
982 req->sv1 = newSVsv (fh_or_path);
983 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
984 break;
985
986 default:
987 req->type = type_path;
988 req_set_path1 (req, fh_or_path);
989 break;
990 }
991}
992
993/*****************************************************************************/
994
543static int 995static void
544extract_fd (SV *fh, int wr) 996ts_set (struct timespec *ts, NV value)
545{ 997{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 998 ts->tv_sec = value;
547 999 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
548 if (fd < 0)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551 return fd;
552} 1000}
1001
1002static NV
1003ts_get (const struct timespec *ts)
1004{
1005 return ts->tv_sec + ts->tv_nsec * 1e-9;
1006}
1007
1008/*****************************************************************************/
1009
1010XS(boot_IO__AIO) ecb_cold;
553 1011
554MODULE = IO::AIO PACKAGE = IO::AIO 1012MODULE = IO::AIO PACKAGE = IO::AIO
555 1013
556PROTOTYPES: ENABLE 1014PROTOTYPES: ENABLE
557 1015
558BOOT: 1016BOOT:
559{ 1017{
560 stash = gv_stashpv ("IO::AIO", 1);
561
562 static const struct { 1018 static const struct {
563 const char *name; 1019 const char *name;
564 IV iv; 1020 IV iv;
565 } *civ, const_iv[] = { 1021 } *civ, const_iv[] = {
566# define const_iv(name, value) { # name, (IV) value }, 1022# define const_niv(name, value) { # name, (IV) value },
1023# define const_iv(name) { # name, (IV) name },
567# define const_eio(name) { # name, (IV) EIO_ ## name }, 1024# define const_eio(name) { # name, (IV) EIO_ ## name },
568 const_iv (EXDEV , EXDEV) 1025
1026 /* you have to re-run ./gendef0 after adding/removing any constants here */
1027 /* the first block can be undef if missing */
569 const_iv (ENOSYS , ENOSYS) 1028 const_iv (ENOSYS)
1029 const_iv (EXDEV)
1030 const_iv (EBADR)
1031
1032 /* for lseek */
1033 const_iv (SEEK_DATA)
1034 const_iv (SEEK_HOLE)
1035
1036 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1037 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1038 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1039 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1040 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1041 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1042
1043 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1044 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1045 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1046 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1047 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1048
1049 /* the second block will be 0 when missing */
1050 const_iv (O_ACCMODE)
1051
570 const_iv (O_RDONLY, O_RDONLY) 1052 const_iv (O_RDONLY)
571 const_iv (O_WRONLY, O_WRONLY) 1053 const_iv (O_WRONLY)
1054 const_iv (O_RDWR)
572 const_iv (O_CREAT , O_CREAT) 1055 const_iv (O_CREAT)
573 const_iv (O_TRUNC , O_TRUNC) 1056 const_iv (O_TRUNC)
574#ifndef _WIN32 1057 const_iv (O_EXCL)
1058 const_iv (O_APPEND)
1059
1060 const_iv (O_ASYNC)
1061 const_iv (O_DIRECT)
1062 const_iv (O_NOATIME)
1063
1064 const_iv (O_CLOEXEC)
1065 const_iv (O_NOCTTY)
1066 const_iv (O_NOFOLLOW)
1067 const_iv (O_NONBLOCK)
1068 const_iv (O_EXEC)
1069 const_iv (O_SEARCH)
1070 const_iv (O_DIRECTORY)
1071 const_iv (O_DSYNC)
1072 const_iv (O_RSYNC)
1073 const_iv (O_SYNC)
1074 const_iv (O_PATH)
1075 const_iv (O_TMPFILE)
1076 const_iv (O_TTY_INIT)
1077
575 const_iv (S_IFIFO , S_IFIFO) 1078 const_iv (S_IFIFO)
576#endif 1079 const_iv (S_IFCHR)
1080 const_iv (S_IFBLK)
1081 const_iv (S_IFLNK)
1082 const_iv (S_IFREG)
1083 const_iv (S_IFDIR)
1084 const_iv (S_IFWHT)
1085 const_iv (S_IFSOCK)
1086 const_iv (S_IFMT)
1087
1088 const_iv (ST_RDONLY)
1089 const_iv (ST_NOSUID)
1090 const_iv (ST_NODEV)
1091 const_iv (ST_NOEXEC)
1092 const_iv (ST_SYNCHRONOUS)
1093 const_iv (ST_MANDLOCK)
1094 const_iv (ST_WRITE)
1095 const_iv (ST_APPEND)
1096 const_iv (ST_IMMUTABLE)
1097 const_iv (ST_NOATIME)
1098 const_iv (ST_NODIRATIME)
1099 const_iv (ST_RELATIME)
1100
1101 const_iv (PROT_NONE)
1102 const_iv (PROT_EXEC)
1103 const_iv (PROT_READ)
1104 const_iv (PROT_WRITE)
1105
1106 const_iv (MAP_PRIVATE)
1107 const_iv (MAP_SHARED)
1108 const_iv (MAP_FIXED)
1109 const_iv (MAP_ANONYMOUS)
1110
1111 /* linuxish */
1112 const_iv (MAP_LOCKED)
1113 const_iv (MAP_NORESERVE)
1114 const_iv (MAP_POPULATE)
1115 const_iv (MAP_NONBLOCK)
1116 const_iv (MAP_GROWSDOWN)
1117 const_iv (MAP_32BIT)
1118 const_iv (MAP_HUGETLB)
1119 const_iv (MAP_STACK)
1120
1121 const_iv (MREMAP_MAYMOVE)
1122 const_iv (MREMAP_FIXED)
1123
1124 const_iv (F_DUPFD_CLOEXEC)
1125
1126 const_iv (MSG_CMSG_CLOEXEC)
1127 const_iv (SOCK_CLOEXEC)
1128
1129 const_iv (F_OFD_GETLK)
1130 const_iv (F_OFD_SETLK)
1131 const_iv (F_OFD_GETLKW)
1132
1133 const_iv (FIFREEZE)
1134 const_iv (FITHAW)
1135 const_iv (FITRIM)
1136 const_iv (FICLONE)
1137 const_iv (FICLONERANGE)
1138 const_iv (FIDEDUPERANGE)
1139
1140 const_iv (FS_IOC_GETFLAGS)
1141 const_iv (FS_IOC_SETFLAGS)
1142 const_iv (FS_IOC_GETVERSION)
1143 const_iv (FS_IOC_SETVERSION)
1144 const_iv (FS_IOC_FIEMAP)
1145 const_iv (FS_IOC_FSGETXATTR)
1146 const_iv (FS_IOC_FSSETXATTR)
1147 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1148 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1149 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1150
1151 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1152
1153 const_iv (FS_SECRM_FL)
1154 const_iv (FS_UNRM_FL)
1155 const_iv (FS_COMPR_FL)
1156 const_iv (FS_SYNC_FL)
1157 const_iv (FS_IMMUTABLE_FL)
1158 const_iv (FS_APPEND_FL)
1159 const_iv (FS_NODUMP_FL)
1160 const_iv (FS_NOATIME_FL)
1161 const_iv (FS_DIRTY_FL)
1162 const_iv (FS_COMPRBLK_FL)
1163 const_iv (FS_NOCOMP_FL)
1164 const_iv (FS_ENCRYPT_FL)
1165 const_iv (FS_BTREE_FL)
1166 const_iv (FS_INDEX_FL)
1167 const_iv (FS_JOURNAL_DATA_FL)
1168 const_iv (FS_NOTAIL_FL)
1169 const_iv (FS_DIRSYNC_FL)
1170 const_iv (FS_TOPDIR_FL)
1171 const_iv (FS_FL_USER_MODIFIABLE)
1172
1173 const_iv (FS_XFLAG_REALTIME)
1174 const_iv (FS_XFLAG_PREALLOC)
1175 const_iv (FS_XFLAG_IMMUTABLE)
1176 const_iv (FS_XFLAG_APPEND)
1177 const_iv (FS_XFLAG_SYNC)
1178 const_iv (FS_XFLAG_NOATIME)
1179 const_iv (FS_XFLAG_NODUMP)
1180 const_iv (FS_XFLAG_RTINHERIT)
1181 const_iv (FS_XFLAG_PROJINHERIT)
1182 const_iv (FS_XFLAG_NOSYMLINKS)
1183 const_iv (FS_XFLAG_EXTSIZE)
1184 const_iv (FS_XFLAG_EXTSZINHERIT)
1185 const_iv (FS_XFLAG_NODEFRAG)
1186 const_iv (FS_XFLAG_FILESTREAM)
1187 const_iv (FS_XFLAG_DAX)
1188 const_iv (FS_XFLAG_HASATTR)
1189
1190 const_iv (FIEMAP_FLAG_SYNC)
1191 const_iv (FIEMAP_FLAG_XATTR)
1192 const_iv (FIEMAP_FLAGS_COMPAT)
1193 const_iv (FIEMAP_EXTENT_LAST)
1194 const_iv (FIEMAP_EXTENT_UNKNOWN)
1195 const_iv (FIEMAP_EXTENT_DELALLOC)
1196 const_iv (FIEMAP_EXTENT_ENCODED)
1197 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1198 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1199 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1200 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1201 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1202 const_iv (FIEMAP_EXTENT_MERGED)
1203 const_iv (FIEMAP_EXTENT_SHARED)
1204
1205 const_iv (SPLICE_F_MOVE)
1206 const_iv (SPLICE_F_NONBLOCK)
1207 const_iv (SPLICE_F_MORE)
1208 const_iv (SPLICE_F_GIFT)
1209
1210 const_iv (EFD_CLOEXEC)
1211 const_iv (EFD_NONBLOCK)
1212 const_iv (EFD_SEMAPHORE)
1213
1214 const_iv (CLOCK_REALTIME)
1215 const_iv (CLOCK_MONOTONIC)
1216 const_iv (CLOCK_BOOTTIME)
1217 const_iv (CLOCK_REALTIME_ALARM)
1218 const_iv (CLOCK_BOOTTIME_ALARM)
1219
1220 const_iv (TFD_NONBLOCK)
1221 const_iv (TFD_CLOEXEC)
1222
1223 const_iv (TFD_TIMER_ABSTIME)
1224 const_iv (TFD_TIMER_CANCEL_ON_SET)
1225
1226 /* these are libeio constants, and are independent of gendef0 */
1227 const_eio (SEEK_SET)
1228 const_eio (SEEK_CUR)
1229 const_eio (SEEK_END)
1230
1231 const_eio (MCL_FUTURE)
1232 const_eio (MCL_CURRENT)
1233
1234 const_eio (MS_ASYNC)
1235 const_eio (MS_INVALIDATE)
1236 const_eio (MS_SYNC)
1237
1238 const_eio (MT_MODIFY)
1239
577 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1240 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578 const_eio (SYNC_FILE_RANGE_WRITE) 1241 const_eio (SYNC_FILE_RANGE_WRITE)
579 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1242 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1243
1244 const_eio (FALLOC_FL_KEEP_SIZE)
1245 const_eio (FALLOC_FL_PUNCH_HOLE)
1246 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1247 const_eio (FALLOC_FL_ZERO_RANGE)
1248 const_eio (FALLOC_FL_INSERT_RANGE)
1249 const_eio (FALLOC_FL_UNSHARE_RANGE)
1250
1251 const_eio (RENAME_NOREPLACE)
1252 const_eio (RENAME_EXCHANGE)
1253 const_eio (RENAME_WHITEOUT)
580 1254
581 const_eio (READDIR_DENTS) 1255 const_eio (READDIR_DENTS)
582 const_eio (READDIR_DIRS_FIRST) 1256 const_eio (READDIR_DIRS_FIRST)
583 const_eio (READDIR_STAT_ORDER) 1257 const_eio (READDIR_STAT_ORDER)
584 const_eio (READDIR_FOUND_UNKNOWN) 1258 const_eio (READDIR_FOUND_UNKNOWN)
… …
592 const_eio (DT_LNK) 1266 const_eio (DT_LNK)
593 const_eio (DT_SOCK) 1267 const_eio (DT_SOCK)
594 const_eio (DT_WHT) 1268 const_eio (DT_WHT)
595 }; 1269 };
596 1270
1271 aio_stash = gv_stashpv ("IO::AIO" , 1);
1272 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1273 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1274 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
1275
597 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1276 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1277 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599 1278
600 create_respipe (); 1279 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601 1280
602 if (eio_init (want_poll, done_poll) < 0) 1281 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} 1282}
608 1283
609void 1284void
1285reinit ()
1286 PROTOTYPE:
1287
1288void
610max_poll_reqs (int nreqs) 1289max_poll_reqs (unsigned int nreqs)
611 PROTOTYPE: $ 1290 PROTOTYPE: $
612 CODE: 1291 CODE:
613 eio_set_max_poll_reqs (nreqs); 1292 eio_set_max_poll_reqs (nreqs);
614 1293
615void 1294void
… …
617 PROTOTYPE: $ 1296 PROTOTYPE: $
618 CODE: 1297 CODE:
619 eio_set_max_poll_time (nseconds); 1298 eio_set_max_poll_time (nseconds);
620 1299
621void 1300void
622min_parallel (int nthreads) 1301min_parallel (unsigned int nthreads)
623 PROTOTYPE: $ 1302 PROTOTYPE: $
624 CODE: 1303 CODE:
625 eio_set_min_parallel (nthreads); 1304 eio_set_min_parallel (nthreads);
626 1305
627void 1306void
628max_parallel (int nthreads) 1307max_parallel (unsigned int nthreads)
629 PROTOTYPE: $ 1308 PROTOTYPE: $
630 CODE: 1309 CODE:
631 eio_set_max_parallel (nthreads); 1310 eio_set_max_parallel (nthreads);
632 1311
633void 1312void
634max_idle (int nthreads) 1313max_idle (unsigned int nthreads)
635 PROTOTYPE: $ 1314 PROTOTYPE: $
636 CODE: 1315 CODE:
637 eio_set_max_idle (nthreads); 1316 eio_set_max_idle (nthreads);
638 1317
639void 1318void
1319idle_timeout (unsigned int seconds)
1320 PROTOTYPE: $
1321 CODE:
1322 eio_set_idle_timeout (seconds);
1323
1324void
640max_outstanding (int maxreqs) 1325max_outstanding (unsigned int maxreqs)
641 PROTOTYPE: $ 1326 PROTOTYPE: $
642 CODE: 1327 CODE:
643 max_outstanding = maxreqs; 1328 max_outstanding = maxreqs;
644 1329
645void 1330void
646aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1331aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
647 PROTOTYPE: $$$;$
648 PPCODE: 1332 PPCODE:
649{ 1333{
650 dREQ; 1334 dREQ;
651 1335
1336 req->type = EIO_WD_OPEN;
1337 req_set_path1 (req, pathname);
1338
1339 REQ_SEND;
1340}
1341
1342void
1343aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1344 PPCODE:
1345{
1346 dREQ;
1347
652 req->type = EIO_OPEN; 1348 req->type = EIO_OPEN;
653 req->sv1 = newSVsv (pathname); 1349 req_set_path1 (req, pathname);
654 req->ptr1 = SvPVbyte_nolen (req->sv1);
655 req->int1 = flags; 1350 req->int1 = flags;
656 req->int2 = mode; 1351 req->int2 = mode;
657 1352
658 REQ_SEND; 1353 REQ_SEND;
659} 1354}
660 1355
661void 1356void
662aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1357aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
663 PROTOTYPE: $;$
664 ALIAS: 1358 ALIAS:
665 aio_fsync = EIO_FSYNC 1359 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 1360 aio_fdatasync = EIO_FDATASYNC
1361 aio_syncfs = EIO_SYNCFS
667 PPCODE: 1362 PPCODE:
668{ 1363{
669 int fd = extract_fd (fh, 0); 1364 int fd = s_fileno_croak (fh, 0);
670 dREQ; 1365 dREQ;
671 1366
672 req->type = ix; 1367 req->type = ix;
673 req->sv1 = newSVsv (fh); 1368 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 1369 req->int1 = fd;
675 1370
676 REQ_SEND (req); 1371 REQ_SEND;
677} 1372}
678 1373
679void 1374void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1375aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
681 PROTOTYPE: $$$$;$
682 PPCODE: 1376 PPCODE:
683{ 1377{
684 int fd = extract_fd (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
685 dREQ; 1379 dREQ;
686 1380
687 req->type = EIO_SYNC_FILE_RANGE; 1381 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 1383 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 1384 req->offs = offset;
691 req->size = SvVAL64 (nbytes); 1385 req->size = nbytes;
692 req->int2 = flags; 1386 req->int2 = flags;
693 1387
694 REQ_SEND (req); 1388 REQ_SEND;
695} 1389}
696 1390
697void 1391void
698aio_close (SV *fh, SV *callback=&PL_sv_undef) 1392aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
699 PROTOTYPE: $;$
700 PPCODE: 1393 PPCODE:
701{ 1394{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1395 int fd = s_fileno_croak (fh, 0);
703 int fd = extract_fd (fh, 0);
704 dREQ; 1396 dREQ;
705 1397
706 if (close_pipe < 0) 1398 req->type = EIO_FALLOCATE;
1399 req->sv1 = newSVsv (fh);
1400 req->int1 = fd;
1401 req->int2 = mode;
1402 req->offs = offset;
1403 req->size = len;
1404
1405 REQ_SEND;
1406}
1407
1408void
1409aio_close (SV *fh, SV *callback = &PL_sv_undef)
1410 PPCODE:
1411{
1412 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1413 int fd = s_fileno_croak (fh, 0);
1414 dREQ;
1415
1416 if (expect_false (close_fd < 0))
707 { 1417 {
708 int pipefd [2]; 1418 int pipefd [2];
709 1419
1420 if (
1421#ifdef _WIN32
1422 _pipe (pipefd, 1, _O_BINARY) < 0
1423#else
710 if (pipe (pipefd) < 0 1424 pipe (pipefd) < 0
711 || close (pipefd [1]) < 0
712 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1425 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1426#endif
1427 || close (pipefd [1]) < 0
1428 )
713 abort (); /*D*/ 1429 abort (); /*D*/
714 1430
715 close_pipe = pipefd [0]; 1431 close_fd = pipefd [0];
716 } 1432 }
717 1433
718 req->type = EIO_DUP2; 1434 req->type = EIO_DUP2;
719 req->int1 = close_pipe; 1435 req->int1 = close_fd;
720 req->sv2 = newSVsv (fh); 1436 req->sv2 = newSVsv (fh);
721 req->int2 = fd; 1437 req->int2 = fd;
722 1438
723 REQ_SEND (req); 1439 REQ_SEND;
724} 1440}
725 1441
726void 1442void
1443aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1444 PPCODE:
1445{
1446 int fd = s_fileno_croak (fh, 0);
1447 dREQ;
1448
1449 req->type = EIO_SEEK;
1450 req->sv1 = newSVsv (fh);
1451 req->int1 = fd;
1452 req->offs = SvVAL64 (offset);
1453 req->int2 = whence;
1454
1455 REQ_SEND;
1456}
1457
1458void
727aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1459aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
728 ALIAS: 1460 ALIAS:
729 aio_read = EIO_READ 1461 aio_read = EIO_READ
730 aio_write = EIO_WRITE 1462 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$
732 PPCODE: 1463 PPCODE:
733{ 1464{
734 STRLEN svlen; 1465 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 1466 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 1467 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 1468 UV len = SvUV (length);
738 1469
739 if (dataoffset < 0) 1470 if (dataoffset < 0)
740 dataoffset += svlen; 1471 dataoffset += svlen;
… …
749 len = svlen - dataoffset; 1480 len = svlen - dataoffset;
750 } 1481 }
751 else 1482 else
752 { 1483 {
753 /* read: check type and grow scalar as necessary */ 1484 /* read: check type and grow scalar as necessary */
754 SvUPGRADE (data, SVt_PV); 1485 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
755 svptr = SvGROW (data, len + dataoffset + 1); 1486 svptr = sv_grow (data, len + dataoffset + 1);
1487 else if (SvCUR (data) < len + dataoffset)
1488 croak ("length + dataoffset outside of scalar, and cannot grow");
756 } 1489 }
757 1490
758 { 1491 {
759 dREQ; 1492 dREQ;
760 1493
… …
776 REQ_SEND; 1509 REQ_SEND;
777 } 1510 }
778} 1511}
779 1512
780void 1513void
781aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1514aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
782 PROTOTYPE: $$;$ 1515 ALIAS:
1516 aio_ioctl = EIO_IOCTL
1517 aio_fcntl = EIO_FCNTL
783 PPCODE: 1518 PPCODE:
784{ 1519{
785 SV *data; 1520 int fd = s_fileno_croak (fh, 0);
1521 char *svptr;
1522
1523 if (SvPOK (arg) || !SvNIOK (arg))
1524 {
1525 STRLEN svlen;
1526 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1527#ifdef IOCPARM_LEN
1528 STRLEN need = IOCPARM_LEN (request);
1529#else
1530 STRLEN need = 256;
1531#endif
1532
1533 if (svlen < need)
1534 svptr = SvGROW (arg, need);
1535 }
1536 else
1537 svptr = (char *)SvIV (arg);
1538
1539 {
1540 dREQ;
1541
1542 req->type = ix;
1543 req->sv1 = newSVsv (fh);
1544 req->int1 = fd;
1545 req->int2 = (long)request;
1546 req->sv2 = SvREFCNT_inc (arg);
1547 req->ptr2 = svptr;
1548
1549 REQ_SEND;
1550 }
1551}
1552
1553void
1554aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1555 ALIAS:
1556 aio_readlink = EIO_READLINK
1557 aio_realpath = EIO_REALPATH
1558 PPCODE:
1559{
786 dREQ; 1560 dREQ;
787 1561
788 req->type = EIO_READLINK; 1562 req->type = ix;
789 req->sv1 = newSVsv (path); 1563 req_set_path1 (req, pathname);
790 req->ptr1 = SvPVbyte_nolen (req->sv1);
791 1564
792 REQ_SEND; 1565 REQ_SEND;
793} 1566}
794 1567
795void 1568void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1569aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
797 PROTOTYPE: $$$$;$
798 PPCODE: 1570 PPCODE:
799{ 1571{
800 int ifd = extract_fd (in_fh , 0); 1572 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 1573 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 1574 dREQ;
803 1575
804 req->type = EIO_SENDFILE; 1576 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 1577 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 1578 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 1579 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 1580 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 1581 req->offs = in_offset;
810 req->size = length; 1582 req->size = length;
811 1583
812 REQ_SEND; 1584 REQ_SEND;
813} 1585}
814 1586
815void 1587void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1588aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1589 PPCODE:
819{ 1590{
820 int fd = extract_fd (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
821 dREQ; 1592 dREQ;
822 1593
823 req->type = EIO_READAHEAD; 1594 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 1595 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 1596 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 1597 req->offs = offset;
827 req->size = length; 1598 req->size = length;
828 1599
829 REQ_SEND; 1600 REQ_SEND;
830} 1601}
831 1602
832void 1603void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1604aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
834 ALIAS: 1605 ALIAS:
835 aio_stat = EIO_STAT 1606 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1607 aio_lstat = EIO_LSTAT
1608 aio_statvfs = EIO_STATVFS
837 PPCODE: 1609 PPCODE:
838{ 1610{
839 dREQ; 1611 dREQ;
840 1612
841 req->sv1 = newSVsv (fh_or_path); 1613 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 1614
854 REQ_SEND; 1615 REQ_SEND;
855} 1616}
856 1617
1618UV
1619major (UV dev)
1620 ALIAS:
1621 minor = 1
1622 CODE:
1623 RETVAL = ix ? minor (dev) : major (dev);
1624 OUTPUT:
1625 RETVAL
1626
1627UV
1628makedev (UV maj, UV min)
1629 CODE:
1630 RETVAL = makedev (maj, min);
1631 OUTPUT:
1632 RETVAL
1633
857void 1634void
858aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1635aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
859 PPCODE: 1636 PPCODE:
860{ 1637{
861 dREQ; 1638 dREQ;
862 1639
863 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1640 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1641 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865 req->sv1 = newSVsv (fh_or_path); 1642 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 1643
878 REQ_SEND; 1644 REQ_SEND;
879} 1645}
880 1646
881void 1647void
882aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1648aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
883 PPCODE: 1649 PPCODE:
884{ 1650{
885 dREQ; 1651 dREQ;
886 1652
887 req->sv1 = newSVsv (fh_or_path);
888 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1653 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889 1654 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 1655
901 REQ_SEND; 1656 REQ_SEND;
902} 1657}
903 1658
904void 1659void
905aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1660aio_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: 1661 PPCODE:
910{ 1662{
911 dREQ; 1663 dREQ;
912 1664
913 req->int2 = mode; 1665 req->int2 = mode;
914 req->sv1 = newSVsv (fh_or_path); 1666 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 1667
927 REQ_SEND; 1668 REQ_SEND;
928} 1669}
929 1670
930void 1671void
931aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1672aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
932 PPCODE: 1673 PPCODE:
933{ 1674{
934 dREQ; 1675 dREQ;
935 1676
936 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1677 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1678 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938 req->sv1 = newSVsv (fh_or_path); 1679 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 1680
951 REQ_SEND; 1681 REQ_SEND;
952} 1682}
953 1683
954void 1684void
955aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1685aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
956 PPCODE: 1686 PPCODE:
957{ 1687{
958 dREQ; 1688 dREQ;
959 1689
960 req->type = EIO_READDIR; 1690 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; 1691 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
964 1692
965 if (flags & EIO_READDIR_DENTS) 1693 if (flags & EIO_READDIR_DENTS)
966 req->int1 |= EIO_READDIR_CUSTOM2; 1694 req->int1 |= EIO_READDIR_CUSTOM2;
967 1695
1696 req_set_path1 (req, pathname);
1697
968 REQ_SEND; 1698 REQ_SEND;
969} 1699}
970 1700
971void 1701void
1702aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1703 PPCODE:
1704{
1705 dREQ;
1706
1707 req->type = EIO_MKDIR;
1708 req->int2 = mode;
1709 req_set_path1 (req, pathname);
1710
1711 REQ_SEND;
1712}
1713
1714void
972aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1715aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
973 ALIAS: 1716 ALIAS:
974 aio_unlink = EIO_UNLINK 1717 aio_unlink = EIO_UNLINK
975 aio_rmdir = EIO_RMDIR 1718 aio_rmdir = EIO_RMDIR
976 aio_readdir = EIO_READDIR 1719 aio_readdir = EIO_READDIR
977 PPCODE: 1720 PPCODE:
978{ 1721{
979 dREQ; 1722 dREQ;
980 1723
981 req->type = ix; 1724 req->type = ix;
982 req->sv1 = newSVsv (pathname); 1725 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 1726
985 REQ_SEND; 1727 REQ_SEND;
986} 1728}
987 1729
988void 1730void
989aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1731aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
990 ALIAS: 1732 ALIAS:
991 aio_link = EIO_LINK 1733 aio_link = EIO_LINK
992 aio_symlink = EIO_SYMLINK 1734 aio_symlink = EIO_SYMLINK
993 aio_rename = EIO_RENAME 1735 aio_rename = EIO_RENAME
994 PPCODE: 1736 PPCODE:
995{ 1737{
1738 eio_wd wd2 = 0;
996 dREQ; 1739 dREQ;
997 1740
998 req->type = ix; 1741 req->type = ix;
999 req->sv1 = newSVsv (oldpath); 1742 req_set_path1 (req, oldpath);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1); 1743 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001 req->sv2 = newSVsv (newpath); 1744 req->int3 = (long)wd2;
1002 req->ptr2 = SvPVbyte_nolen (req->sv2);
1003 1745
1004 REQ_SEND; 1746 REQ_SEND;
1005} 1747}
1006 1748
1007void 1749void
1750aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1751 PPCODE:
1752{
1753 eio_wd wd2 = 0;
1754 dREQ;
1755
1756 req->type = EIO_RENAME;
1757 req_set_path1 (req, oldpath);
1758 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1759 req->int2 = flags;
1760 req->int3 = (long)wd2;
1761
1762 REQ_SEND;
1763}
1764
1765void
1008aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1766aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1009 PPCODE: 1767 PPCODE:
1010{ 1768{
1011 dREQ; 1769 dREQ;
1012 1770
1013 req->type = EIO_MKNOD; 1771 req->type = EIO_MKNOD;
1014 req->sv1 = newSVsv (pathname);
1015 req->ptr1 = SvPVbyte_nolen (req->sv1);
1016 req->int2 = (mode_t)mode; 1772 req->int2 = (mode_t)mode;
1017 req->offs = dev; 1773 req->offs = dev;
1774 req_set_path1 (req, pathname);
1018 1775
1019 REQ_SEND; 1776 REQ_SEND;
1020} 1777}
1021 1778
1022void 1779void
1780aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1781 ALIAS:
1782 aio_mtouch = EIO_MTOUCH
1783 aio_msync = EIO_MSYNC
1784 PPCODE:
1785{
1786 STRLEN svlen;
1787 char *svptr = SvPVbyte (data, svlen);
1788 UV len = SvUV (length);
1789
1790 if (flags < 0)
1791 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1792
1793 if (offset < 0)
1794 offset += svlen;
1795
1796 if (offset < 0 || offset > svlen)
1797 croak ("offset outside of scalar");
1798
1799 if (!SvOK (length) || len + offset > svlen)
1800 len = svlen - offset;
1801
1802 {
1803 dREQ;
1804
1805 req->type = ix;
1806 req->sv2 = SvREFCNT_inc (data);
1807 req->ptr2 = (char *)svptr + offset;
1808 req->size = len;
1809 req->int1 = flags;
1810
1811 REQ_SEND;
1812 }
1813}
1814
1815void
1816aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1817 PPCODE:
1818{
1819 STRLEN svlen;
1820 char *svptr = SvPVbyte (data, svlen);
1821 UV len = SvUV (length);
1822
1823 if (offset < 0)
1824 offset += svlen;
1825
1826 if (offset < 0 || offset > svlen)
1827 croak ("offset outside of scalar");
1828
1829 if (!SvOK (length) || len + offset > svlen)
1830 len = svlen - offset;
1831
1832 {
1833 dREQ;
1834
1835 req->type = EIO_MLOCK;
1836 req->sv2 = SvREFCNT_inc (data);
1837 req->ptr2 = (char *)svptr + offset;
1838 req->size = len;
1839
1840 REQ_SEND;
1841 }
1842}
1843
1844void
1845aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1846 PPCODE:
1847{
1848 dREQ;
1849
1850 req->type = EIO_MLOCKALL;
1851 req->int1 = flags;
1852
1853 REQ_SEND;
1854}
1855
1856void
1857aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1858 PPCODE:
1859{
1860 int fd = s_fileno_croak (fh, 0);
1861 dREQ;
1862
1863 req->type = EIO_CUSTOM;
1864 req->sv1 = newSVsv (fh);
1865 req->int1 = fd;
1866
1867 req->feed = fiemap;
1868#if HAVE_FIEMAP
1869 /* keep our fingers crossed that the next two types are 64 bit */
1870 req->offs = start;
1871 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1872 req->int2 = flags;
1873 req->int3 = SvOK (count) ? SvIV (count) : -1;
1874#endif
1875
1876 REQ_SEND;
1877}
1878
1879void
1880aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1881 PPCODE:
1882{
1883 char *svptr = 0;
1884
1885 sv_clear_foreign (data);
1886
1887 if (length) /* known length, directly read into scalar */
1888 {
1889 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1890 svptr = sv_grow (data, length + 1);
1891 else if (SvCUR (data) < length)
1892 croak ("length outside of scalar, and cannot grow");
1893 else
1894 svptr = SvPVbyte_nolen (data);
1895 }
1896
1897 {
1898 dREQ;
1899
1900 req->type = EIO_SLURP;
1901 req_set_path1 (req, pathname);
1902 req->offs = offset;
1903 req->size = length;
1904 req->sv2 = SvREFCNT_inc (data);
1905 req->ptr2 = svptr;
1906
1907 if (!SvREADONLY (data))
1908 {
1909 SvREADONLY_on (data);
1910 req->flags |= FLAG_SV2_RO_OFF;
1911 }
1912
1913 REQ_SEND;
1914 }
1915}
1916
1917void
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 1918aio_busy (double delay, SV *callback = &PL_sv_undef)
1024 PPCODE: 1919 PPCODE:
1025{ 1920{
1026 dREQ; 1921 dREQ;
1027 1922
1028 req->type = EIO_BUSY; 1923 req->type = EIO_BUSY;
… …
1030 1925
1031 REQ_SEND; 1926 REQ_SEND;
1032} 1927}
1033 1928
1034void 1929void
1035aio_group (SV *callback=&PL_sv_undef) 1930aio_group (SV *callback = &PL_sv_undef)
1036 PROTOTYPE: ;$
1037 PPCODE: 1931 PPCODE:
1038{ 1932{
1039 dREQ; 1933 dREQ;
1040 1934
1041 req->type = EIO_GROUP; 1935 req->type = EIO_GROUP;
1042 1936
1937 PUTBACK;
1043 req_submit (req); 1938 req_submit (req);
1939 SPAGAIN;
1940
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1941 XPUSHs (req_sv (req, aio_grp_stash));
1045} 1942}
1046 1943
1047void 1944void
1048aio_nop (SV *callback=&PL_sv_undef) 1945aio_nop (SV *callback = &PL_sv_undef)
1049 ALIAS: 1946 ALIAS:
1050 aio_nop = EIO_NOP 1947 aio_nop = EIO_NOP
1051 aio_sync = EIO_SYNC 1948 aio_sync = EIO_SYNC
1052 PPCODE: 1949 PPCODE:
1053{ 1950{
… …
1057 1954
1058 REQ_SEND; 1955 REQ_SEND;
1059} 1956}
1060 1957
1061int 1958int
1062aioreq_pri (int pri = 0) 1959aioreq_pri (int pri = NO_INIT)
1063 PROTOTYPE: ;$
1064 CODE: 1960 CODE:
1065 RETVAL = next_pri; 1961 RETVAL = next_pri;
1066 if (items > 0) 1962 if (items > 0)
1067 { 1963 {
1068 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1964 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1080 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1976 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081 next_pri = nice; 1977 next_pri = nice;
1082 1978
1083void 1979void
1084flush () 1980flush ()
1085 PROTOTYPE:
1086 CODE: 1981 CODE:
1087 while (eio_nreqs ()) 1982 while (eio_nreqs ())
1088 { 1983 {
1089 poll_wait (); 1984 poll_wait ();
1090 poll_cb (); 1985 poll_cb ();
1091 } 1986 }
1092 1987
1093int 1988int
1094poll() 1989poll ()
1095 PROTOTYPE:
1096 CODE: 1990 CODE:
1097 poll_wait (); 1991 poll_wait ();
1098 RETVAL = poll_cb (); 1992 RETVAL = poll_cb ();
1099 OUTPUT: 1993 OUTPUT:
1100 RETVAL 1994 RETVAL
1101 1995
1102int 1996int
1103poll_fileno() 1997poll_fileno ()
1104 PROTOTYPE:
1105 CODE: 1998 CODE:
1106 RETVAL = respipe [0]; 1999 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 2000 OUTPUT:
1108 RETVAL 2001 RETVAL
1109 2002
1110int 2003int
1111poll_cb(...) 2004poll_cb (...)
1112 PROTOTYPE: 2005 PROTOTYPE:
1113 CODE: 2006 CODE:
1114 RETVAL = poll_cb (); 2007 RETVAL = poll_cb ();
1115 OUTPUT: 2008 OUTPUT:
1116 RETVAL 2009 RETVAL
1117 2010
1118void 2011void
1119poll_wait() 2012poll_wait ()
1120 PROTOTYPE:
1121 CODE: 2013 CODE:
1122 poll_wait (); 2014 poll_wait ();
1123 2015
1124int 2016int
1125nreqs() 2017nreqs ()
1126 PROTOTYPE:
1127 CODE: 2018 CODE:
1128 RETVAL = eio_nreqs (); 2019 RETVAL = eio_nreqs ();
1129 OUTPUT: 2020 OUTPUT:
1130 RETVAL 2021 RETVAL
1131 2022
1132int 2023int
1133nready() 2024nready ()
1134 PROTOTYPE:
1135 CODE: 2025 CODE:
1136 RETVAL = eio_nready (); 2026 RETVAL = eio_nready ();
1137 OUTPUT: 2027 OUTPUT:
1138 RETVAL 2028 RETVAL
1139 2029
1140int 2030int
1141npending() 2031npending ()
1142 PROTOTYPE:
1143 CODE: 2032 CODE:
1144 RETVAL = eio_npending (); 2033 RETVAL = eio_npending ();
1145 OUTPUT: 2034 OUTPUT:
1146 RETVAL 2035 RETVAL
1147 2036
1148int 2037int
1149nthreads() 2038nthreads ()
1150 PROTOTYPE:
1151 CODE: 2039 CODE:
1152 RETVAL = eio_nthreads (); 2040 RETVAL = eio_nthreads ();
1153 OUTPUT: 2041 OUTPUT:
1154 RETVAL 2042 RETVAL
1155 2043
2044int
2045fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2046 CODE:
2047 RETVAL = posix_fadvise (fh, offset, length, advice);
2048 OUTPUT:
2049 RETVAL
2050
2051IV
2052sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2053 CODE:
2054 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2055 OUTPUT:
2056 RETVAL
2057
2058void
2059mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2060 PPCODE:
2061 sv_clear_foreign (scalar);
2062{
2063 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2064 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2065 if (addr == (void *)-1)
2066 XSRETURN_NO;
2067
2068 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2069
2070 if (!(prot & PROT_WRITE))
2071 SvREADONLY_on (scalar);
2072
2073 XSRETURN_YES;
2074}
2075
2076void
2077munmap (SV *scalar)
2078 CODE:
2079 sv_clear_foreign (scalar);
2080
2081SV *
2082mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2083 CODE:
2084{
2085 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2086 void *new;
2087
2088 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2089 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2090
2091 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2092
2093 RETVAL = &PL_sv_no;
2094
2095 if (new != (void *)-1)
2096 {
2097 RETVAL = new == (void *)mg->mg_ptr
2098 ? newSVpvn ("0 but true", 10)
2099 : &PL_sv_yes;
2100
2101 mg->mg_ptr = (char *)new;
2102 mg->mg_obj = (SV *)new_length;
2103
2104 SvPVX (scalar) = mg->mg_ptr;
2105 SvCUR_set (scalar, new_length);
2106 }
2107}
2108 OUTPUT:
2109 RETVAL
2110
2111int
2112madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2113 ALIAS:
2114 mprotect = 1
2115 CODE:
2116{
2117 STRLEN svlen;
2118 void *addr = SvPVbyte (scalar, svlen);
2119 STRLEN len = SvUV (length);
2120
2121 if (offset < 0)
2122 offset += svlen;
2123
2124 if (offset < 0 || offset > svlen)
2125 croak ("offset outside of scalar");
2126
2127 if (!SvOK (length) || len + offset > svlen)
2128 len = svlen - offset;
2129
2130 addr = (void *)(((intptr_t)addr) + offset);
2131 eio_page_align (&addr, &len);
2132
2133 switch (ix)
2134 {
2135 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2136 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2137 }
2138}
2139 OUTPUT:
2140 RETVAL
2141
2142int
2143munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2144 CODE:
2145{
2146 STRLEN svlen;
2147 void *addr = SvPVbyte (scalar, svlen);
2148 size_t len = SvUV (length);
2149
2150 if (offset < 0)
2151 offset += svlen;
2152
2153 if (offset < 0 || offset > svlen)
2154 croak ("offset outside of scalar");
2155
2156 if (!SvOK (length) || len + offset > svlen)
2157 len = svlen - offset;
2158
2159 addr = (void *)(((intptr_t)addr) + offset);
2160 eio_page_align (&addr, &len);
2161#if _POSIX_MEMLOCK_RANGE
2162 RETVAL = munlock (addr, len);
2163#else
2164 RETVAL = EIO_ENOSYS ();
2165#endif
2166}
2167 OUTPUT:
2168 RETVAL
2169
2170int
2171munlockall ()
2172 CODE:
2173#if _POSIX_MEMLOCK
2174 munlockall ();
2175#else
2176 RETVAL = EIO_ENOSYS ();
2177#endif
2178 OUTPUT:
2179 RETVAL
2180
2181int
2182splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2183 CODE:
2184{
2185#if HAVE_LINUX_SPLICE
2186 loff_t off_in_, off_out_;
2187 RETVAL = splice (
2188 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2189 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2190 length, flags
2191 );
2192#else
2193 RETVAL = EIO_ENOSYS ();
2194#endif
2195}
2196 OUTPUT:
2197 RETVAL
2198
2199int
2200tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2201 CODE:
2202#if HAVE_LINUX_SPLICE
2203 RETVAL = tee (rfh, wfh, length, flags);
2204#else
2205 RETVAL = EIO_ENOSYS ();
2206#endif
2207 OUTPUT:
2208 RETVAL
2209
2210int
2211pipesize (aio_rfd rfh, int new_size = -1)
2212 PROTOTYPE: $;$
2213 CODE:
2214#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2215 if (new_size >= 0)
2216 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2217 else
2218 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2219#else
2220 errno = ENOSYS;
2221 RETVAL = -1;
2222#endif
2223 OUTPUT:
2224 RETVAL
2225
2226void
2227pipe2 (int flags = 0)
2228 PROTOTYPE: ;$
2229 PPCODE:
2230{
2231 int fd[2];
2232 int res;
2233
2234 if (flags)
2235#if HAVE_PIPE2
2236 res = pipe2 (fd, flags);
2237#else
2238 res = (errno = ENOSYS, -1);
2239#endif
2240 else
2241 res = pipe (fd);
2242
2243 if (!res)
2244 {
2245 EXTEND (SP, 2);
2246 PUSHs (newmortalFH (fd[0], O_RDONLY));
2247 PUSHs (newmortalFH (fd[1], O_WRONLY));
2248 }
2249}
2250
2251void
2252eventfd (unsigned int initval = 0, int flags = 0)
2253 PPCODE:
2254{
2255 int fd;
2256#if HAVE_EVENTFD
2257 fd = eventfd (initval, flags);
2258#else
2259 fd = (errno = ENOSYS, -1);
2260#endif
2261
2262 XPUSHs (newmortalFH (fd, O_RDWR));
2263}
2264
2265void
2266timerfd_create (int clockid, int flags = 0)
2267 PPCODE:
2268{
2269 int fd;
2270#if HAVE_TIMERFD
2271 fd = timerfd_create (clockid, flags);
2272#else
2273 fd = (errno = ENOSYS, -1);
2274#endif
2275
2276 XPUSHs (newmortalFH (fd, O_RDWR));
2277}
2278
2279void
2280timerfd_settime (SV *fh, int flags, NV interval, NV value)
2281 PPCODE:
2282{
2283 int fd = s_fileno_croak (fh, 0);
2284#if HAVE_TIMERFD
2285 int res;
2286 struct itimerspec its, ots;
2287
2288 ts_set (&its.it_interval, interval);
2289 ts_set (&its.it_value , value);
2290 res = timerfd_settime (fd, flags, &its, &ots);
2291
2292 if (!res)
2293 {
2294 EXTEND (SP, 2);
2295 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2296 PUSHs (newSVnv (ts_get (&ots.it_value)));
2297 }
2298#else
2299 errno = ENOSYS;
2300#endif
2301}
2302
2303void
2304timerfd_gettime (SV *fh)
2305 PPCODE:
2306{
2307 int fd = s_fileno_croak (fh, 0);
2308#if HAVE_TIMERFD
2309 int res;
2310 struct itimerspec ots;
2311 res = timerfd_gettime (fd, &ots);
2312
2313 if (!res)
2314 {
2315 EXTEND (SP, 2);
2316 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2317 PUSHs (newSVnv (ts_get (&ots.it_value)));
2318 }
2319#else
2320 errno = ENOSYS;
2321#endif
2322}
2323
2324UV
2325get_fdlimit ()
2326 CODE:
2327#if HAVE_RLIMITS
2328 struct rlimit rl;
2329 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2330 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2331#endif
2332 XSRETURN_UNDEF;
2333 OUTPUT:
2334 RETVAL
2335
2336void
2337min_fdlimit (UV limit = 0x7fffffffU)
2338 CODE:
2339{
2340#if HAVE_RLIMITS
2341 struct rlimit rl;
2342 rlim_t orig_rlim_max;
2343 UV bit;
2344
2345 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2346 goto fail;
2347
2348 if (rl.rlim_cur == RLIM_INFINITY)
2349 XSRETURN_YES;
2350
2351 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2352
2353 if (rl.rlim_cur < limit)
2354 {
2355 rl.rlim_cur = limit;
2356
2357 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2358 rl.rlim_max = rl.rlim_cur;
2359 }
2360
2361 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2362 XSRETURN_YES;
2363
2364 if (errno == EPERM)
2365 {
2366 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2367 /* our limit overflows a system-wide limit */
2368 /* try an adaptive algorithm, but do not lower the hardlimit */
2369 rl.rlim_max = 0;
2370 for (bit = 0x40000000U; bit; bit >>= 1)
2371 {
2372 rl.rlim_max |= bit;
2373 rl.rlim_cur = rl.rlim_max;
2374
2375 /* nevr decrease the hard limit */
2376 if (rl.rlim_max < orig_rlim_max)
2377 break;
2378
2379 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2380 rl.rlim_max &= ~bit; /* too high, remove bit again */
2381 }
2382
2383 /* now, raise the soft limit to the max permitted */
2384 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2385 {
2386 rl.rlim_cur = rl.rlim_max;
2387 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2388 errno = EPERM;
2389 }
2390 }
2391#endif
2392 fail:
2393 XSRETURN_UNDEF;
2394}
2395
1156void _on_next_submit (SV *cb) 2396void _on_next_submit (SV *cb)
1157 CODE: 2397 CODE:
1158 SvREFCNT_dec (on_next_submit); 2398 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2399 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 2400
1161PROTOTYPES: DISABLE 2401PROTOTYPES: DISABLE
1162 2402
2403MODULE = IO::AIO PACKAGE = IO::AIO::WD
2404
2405BOOT:
2406{
2407 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2408 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2409}
2410
2411void
2412DESTROY (SV *self)
2413 CODE:
2414{
2415 aio_wd wd = SvAIO_WD (self);
2416#if HAVE_AT
2417 {
2418 SV *callback = &PL_sv_undef;
2419 dREQ; /* clobbers next_pri :/ */
2420 next_pri = req->pri; /* restore next_pri */
2421 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2422 req->type = EIO_WD_CLOSE;
2423 req->wd = wd;
2424 REQ_SEND;
2425 }
2426#else
2427 eio_wd_close_sync (wd);
2428#endif
2429}
2430
1163MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2431MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164 2432
1165void 2433void
1166cancel (aio_req_ornot req) 2434cancel (aio_req_ornot req)
1167 CODE: 2435 CODE:
1168 eio_cancel (req); 2436 eio_cancel (req);
1169 2437
1170void 2438void
1171cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2439cb (aio_req_ornot req, SV *callback = NO_INIT)
1172 PPCODE: 2440 PPCODE:
1173{ 2441{
1174 if (GIMME_V != G_VOID) 2442 if (GIMME_V != G_VOID)
1175 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176 2444
… …
1241limit (aio_req grp, int limit) 2509limit (aio_req grp, int limit)
1242 CODE: 2510 CODE:
1243 eio_grp_limit (grp, limit); 2511 eio_grp_limit (grp, limit);
1244 2512
1245void 2513void
1246feed (aio_req grp, SV *callback=&PL_sv_undef) 2514feed (aio_req grp, SV *callback = &PL_sv_undef)
1247 CODE: 2515 CODE:
1248{ 2516{
1249 SvREFCNT_dec (grp->sv2); 2517 SvREFCNT_dec (grp->sv2);
1250 grp->sv2 = newSVsv (callback); 2518 grp->sv2 = newSVsv (callback);
1251 grp->feed = aio_grp_feed; 2519 grp->feed = aio_grp_feed;

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