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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.262 by root, Sun Aug 12 05:21:35 2018 UTC

… …
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 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 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
20/* perl namespace pollution */ 41/* perl namespace pollution */
21#undef VERSION 42#undef VERSION
22
23#ifdef _WIN32
24
25# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc
27# undef free
28
29// perl overrides all those nice win32 functions
30# undef open
31# undef read
32# undef write
33# undef send
34# undef recv
35# undef stat
36# undef fstat
37# define lstat stat
38# undef truncate
39# undef ftruncate
40# undef open
41# undef close
42# undef unlink
43# undef rmdir
44# undef rename
45# undef lseek
46
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60
61#else
62
63# include <sys/time.h>
64# include <sys/select.h>
65# include <unistd.h>
66# include <utime.h>
67# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69
70#endif
71 43
72/* perl stupidly overrides readdir and maybe others */ 44/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 45/* with thread-unsafe versions, imagine that :( */
74#undef readdir 46#undef readdir
75#undef opendir 47#undef opendir
76#undef closedir 48#undef closedir
77 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
78#define EIO_STRUCT_STAT Stat_t 85 #define EIO_STRUCT_STATI64
79 86
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else 87#else
86# define VAL64 NV 88
87# define SvVAL64 SvNV 89 #include <sys/time.h>
88# define newSVval64 newSVnv 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
89#endif 97#endif
90 98
91/*****************************************************************************/ 99/*****************************************************************************/
92 100
93#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
101 109
102/*****************************************************************************/ 110/*****************************************************************************/
103 111
104static HV *stash; 112#include "config.h"
113
114#if HAVE_ST_XTIMENSEC
115# define ATIMENSEC PL_statcache.st_atimensec
116# define MTIMENSEC PL_statcache.st_mtimensec
117# define CTIMENSEC PL_statcache.st_ctimensec
118#elif HAVE_ST_XTIMESPEC
119# define ATIMENSEC PL_statcache.st_atim.tv_nsec
120# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
121# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
122#else
123# define ATIMENSEC 0
124# define MTIMENSEC 0
125# define CTIMENSEC 0
126#endif
127
128#include "schmorp.h"
129
130#if HAVE_EVENTFD
131# include <sys/eventfd.h>
132#endif
133
134#if HAVE_TIMERFD
135# include <sys/timerfd.h>
136#endif
137
138#if HAVE_RLIMITS
139 #include <sys/time.h>
140 #include <sys/resource.h>
141#endif
142
105typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
108 146
109#define AIO_REQ_KLASS "IO::AIO::REQ" 147static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 148
112#define EIO_REQ_MEMBERS \ 149#define EIO_REQ_MEMBERS \
113 SV *callback; \ 150 SV *callback; \
114 SV *sv1, *sv2; \ 151 SV *sv1, *sv2; \
152 SV *sv3, *sv4; \
115 STRLEN stroffset; \ 153 STRLEN stroffset; \
116 SV *self; 154 SV *self;
117 155
118#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
119 157
120#include "libeio/eio.h" 158#include "libeio/eio.h"
121
122#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0
129#endif
130
131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0
133#endif
134
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138
139#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0
141#endif
142
143#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0
145#endif
146 159
147static int req_invoke (eio_req *req); 160static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 161#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 162static void req_destroy (eio_req *grp);
150#define EIO_DESTROY(req) req_destroy (req) 163#define EIO_DESTROY(req) req_destroy (req)
151 164
165#include "libeio/eio.c"
166
167#if !HAVE_POSIX_FADVISE
168# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
169#endif
170
171#if !HAVE_POSIX_MADVISE
172# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
173#endif
174
175#ifndef MAP_ANONYMOUS
176# ifdef MAP_ANON
177# define MAP_ANONYMOUS MAP_ANON
178# else
179# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
180# endif
181#endif
182
183#ifndef makedev
184# define makedev(maj,min) (((maj) << 8) | (min))
185#endif
186#ifndef major
187# define major(dev) ((dev) >> 8)
188#endif
189#ifndef minor
190# define minor(dev) ((dev) & 0xff)
191#endif
192
193#if PAGESIZE <= 0
194# define PAGESIZE sysconf (_SC_PAGESIZE)
195#endif
196
197/*****************************************************************************/
198
199#if !_POSIX_MAPPED_FILES
200# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
201# define munmap(addr,length) EIO_ENOSYS ()
202#endif
203
204#if !_POSIX_MEMORY_PROTECTION
205# define mprotect(addr,len,prot) EIO_ENOSYS ()
206#endif
207
208#if !MREMAP_MAYMOVE
209# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
210#endif
211
212#define FOREIGN_MAGIC PERL_MAGIC_ext
213
214static int ecb_cold
215mmap_free (pTHX_ SV *sv, MAGIC *mg)
216{
217 int old_errno = errno;
218 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
219 errno = old_errno;
220
221 mg->mg_obj = 0; /* just in case */
222
223 SvREADONLY_off (sv);
224
225 if (SvPVX (sv) != mg->mg_ptr)
226 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
227
228 SvCUR_set (sv, 0);
229 SvPVX (sv) = 0;
230 SvOK_off (sv);
231
232 return 0;
233}
234
235static MGVTBL mmap_vtbl = {
236 0, 0, 0, 0, mmap_free
237};
238
239static int ecb_cold
240sysfree_free (pTHX_ SV *sv, MAGIC *mg)
241{
242 free (mg->mg_ptr);
243 mg->mg_obj = 0; /* just in case */
244
245 SvREADONLY_off (sv);
246
247 if (SvPVX (sv) != mg->mg_ptr)
248 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
249
250 SvCUR_set (sv, 0);
251 SvPVX (sv) = 0;
252 SvOK_off (sv);
253
254 return 0;
255}
256
257static MGVTBL sysfree_vtbl = {
258 0, 0, 0, 0, sysfree_free
259};
260
261/*****************************************************************************/
262
263/* helper: set scalar to foreign ptr with custom free */
264static void
265sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
266{
267 sv_force_normal (sv);
268
269 /* we store the length in mg_obj, as namlen is I32 :/ */
270 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
271 ->mg_obj = (SV *)length;
272
273 SvUPGRADE (sv, SVt_PV); /* nop... */
274
275 if (SvLEN (sv))
276 Safefree (SvPVX (sv));
277
278 SvPVX (sv) = (char *)addr;
279 SvCUR_set (sv, length);
280 SvLEN_set (sv, 0);
281 SvPOK_only (sv);
282}
283
284static void
285sv_clear_foreign (SV *sv)
286{
287 /* todo: iterate over magic and only free ours, but of course */
288 /* the perl5porters will call that (correct) behaviour buggy */
289 sv_unmagic (sv, FOREIGN_MAGIC);
290}
291
292/*****************************************************************************/
293
294/* defines all sorts of constants to 0 unless they are already defined */
295/* also provides const_iv_ and const_niv_ macros for them */
296#include "def0.h"
297
298/*****************************************************************************/
299
300static void
301fiemap (eio_req *req)
302{
303 req->result = -1;
304
305#if HAVE_FIEMAP
306 /* assume some c99 */
307 struct fiemap *fiemap = 0;
308 size_t end_offset;
309 int count = req->int3;
310
311 req->flags |= EIO_FLAG_PTR1_FREE;
312
313 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
314 /* increase in 3.5kb steps */
315 if (count < 0)
316 count = 8;
317
318 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
319 errno = ENOMEM;
320 if (!fiemap)
321 return;
322
323 req->ptr1 = fiemap;
324
325 fiemap->fm_start = req->offs;
326 fiemap->fm_length = req->size;
327 fiemap->fm_flags = req->int2;
328 fiemap->fm_extent_count = count;
329
330 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
331 return;
332
333 if (req->int3 >= 0 /* not autosizing */
334 || !fiemap->fm_mapped_extents /* no more extents */
335 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
336 goto done;
337
338 /* else we have to loop -
339 * it would be tempting (actually I tried that first) to just query the
340 * number of extents needed, but linux often feels like not returning all
341 * extents, without telling us it left any out. this complicates
342 * this quite a bit.
343 */
344
345 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
346
347 for (;;)
348 {
349 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
350 char scratch[3072];
351 struct fiemap *incmap = (struct fiemap *)scratch;
352
353 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
354 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
355 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
356 incmap->fm_flags = fiemap->fm_flags;
357 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
360 return;
361
362 if (!incmap->fm_mapped_extents)
363 goto done;
364
365 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
366 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
367 errno = ENOMEM;
368 if (!fiemap)
369 return;
370
371 req->ptr1 = fiemap;
372
373 for (count = 0; count < incmap->fm_mapped_extents; ++count)
374 {
375 struct fiemap_extent *e = incmap->fm_extents + count;
376
377 if (e->fe_logical + e->fe_length >= end_offset)
378 goto done;
379
380 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
381
382 if (e->fe_flags & FIEMAP_EXTENT_LAST)
383 goto done;
384
385 }
386 }
387
388done:
389 req->result = 0;
390
391#else
392 errno = ENOSYS;
393#endif
394}
395
396/*****************************************************************************/
397
152enum { 398enum {
153 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 399 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154}; 400};
155 401
156#include "libeio/eio.c"
157
158typedef eio_req *aio_req; 402typedef eio_req *aio_req;
159typedef eio_req *aio_req_ornot; 403typedef eio_req *aio_req_ornot;
404typedef eio_wd aio_wd;
160 405
161static SV *on_next_submit; 406static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 407static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 408static int max_outstanding;
164 409
165static int respipe_osf [2];
166static s_epipe respipe; 410static s_epipe respipe;
167 411
168static void req_destroy (aio_req req); 412static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 413static void req_cancel (aio_req req);
170 414
171static void want_poll (void) 415static void
416want_poll (void)
172{ 417{
173 /* write a dummy byte to the pipe so fh becomes ready */ 418 /* write a dummy byte to the pipe so fh becomes ready */
174 s_epipe_signal (&respipe); 419 s_epipe_signal (&respipe);
175} 420}
176 421
177static void done_poll (void) 422static void
423done_poll (void)
178{ 424{
179 /* read any signals sent by the worker threads */ 425 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 426 s_epipe_drain (&respipe);
181} 427}
182 428
183/* must be called at most once */ 429/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 430static SV *
431req_sv (aio_req req, HV *stash)
185{ 432{
186 if (!req->self) 433 if (!req->self)
187 { 434 {
188 req->self = (SV *)newHV (); 435 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 436 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 437 }
191 438
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 439 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 440}
194 441
195static aio_req SvAIO_REQ (SV *sv) 442static SV *
443newSVaio_wd (aio_wd wd)
444{
445 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
446}
447
448static aio_req
449SvAIO_REQ (SV *sv)
196{ 450{
197 MAGIC *mg; 451 MAGIC *mg;
198 452
199 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 453 if (!SvROK (sv)
454 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
455 || (SvSTASH (SvRV (sv)) != aio_grp_stash
456 && SvSTASH (SvRV (sv)) != aio_req_stash
457 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 458 croak ("object of class IO::AIO::REQ expected");
201 459
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 460 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 461
204 return mg ? (aio_req)mg->mg_ptr : 0; 462 return mg ? (aio_req)mg->mg_ptr : 0;
205} 463}
206 464
465static aio_wd
466SvAIO_WD (SV *sv)
467{
468 if (!SvROK (sv)
469 || SvTYPE (SvRV (sv)) != SVt_PVMG
470 || SvSTASH (SvRV (sv)) != aio_wd_stash)
471 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
472
473 return (aio_wd)(long)SvIVX (SvRV (sv));
474}
475
476static SV *
477newmortalFH (int fd, int flags)
478{
479 if (fd < 0)
480 return &PL_sv_undef;
481
482 GV *gv = (GV *)sv_newmortal ();
483 char sym[64];
484 int symlen;
485
486 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
487 gv_init (gv, aio_stash, sym, symlen, 0);
488
489 symlen = snprintf (
490 sym,
491 sizeof (sym),
492 "%s&=%d",
493 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494 fd
495 );
496
497 return do_open (gv, sym, symlen, 0, 0, 0, 0)
498 ? (SV *)gv : &PL_sv_undef;
499}
500
501static void
207static void aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
208{ 503{
209 if (grp->sv2 && SvOK (grp->sv2)) 504 if (grp->sv2 && SvOK (grp->sv2))
210 { 505 {
211 dSP; 506 dSP;
212 507
213 ENTER; 508 ENTER;
214 SAVETMPS; 509 SAVETMPS;
215 PUSHMARK (SP); 510 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 511 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 512 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 513 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 514 SPAGAIN;
220 FREETMPS; 515 FREETMPS;
221 LEAVE; 516 LEAVE;
222 } 517 }
223} 518}
224 519
520static void
225static void req_submit (eio_req *req) 521req_submit (eio_req *req)
226{ 522{
227 eio_submit (req); 523 eio_submit (req);
228 524
229 if (expect_false (on_next_submit)) 525 if (expect_false (on_next_submit))
230 { 526 {
… …
237 PUTBACK; 533 PUTBACK;
238 call_sv (cb, G_DISCARD | G_EVAL); 534 call_sv (cb, G_DISCARD | G_EVAL);
239 } 535 }
240} 536}
241 537
538static int
242static int req_invoke (eio_req *req) 539req_invoke (eio_req *req)
243{ 540{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 541 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 542 SvREADONLY_off (req->sv2);
248 543
249 if (!EIO_CANCELLED (req) && req->callback) 544 if (!EIO_CANCELLED (req) && req->callback)
250 { 545 {
546 dSP;
547 static SV *sv_result_cache; /* caches the result integer SV */
548 SV *sv_result;
549
251 ENTER; 550 ENTER;
252 SAVETMPS; 551 SAVETMPS;
253 PUSHMARK (SP); 552 PUSHMARK (SP);
254 EXTEND (SP, 1); 553 EXTEND (SP, 1);
255 554
555 /* do not recreate the result IV from scratch each time */
556 if (expect_true (sv_result_cache))
557 {
558 sv_result = sv_result_cache; sv_result_cache = 0;
559 SvIV_set (sv_result, req->result);
560 SvIOK_only (sv_result);
561 }
562 else
563 {
564 sv_result = newSViv (req->result);
565 SvREADONLY_on (sv_result);
566 }
567
256 switch (req->type) 568 switch (req->type)
257 { 569 {
570 case EIO_WD_OPEN:
571 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
572 break;
573
258 case EIO_READDIR: 574 case EIO_READDIR:
259 { 575 {
260 SV *rv = &PL_sv_undef; 576 SV *rv = &PL_sv_undef;
261 577
262 if (req->result >= 0) 578 if (req->result >= 0)
… …
315 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 631 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
316 } 632 }
317 break; 633 break;
318 634
319 case EIO_OPEN: 635 case EIO_OPEN:
636 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
637 break;
638
639 case EIO_STATVFS:
640 case EIO_FSTATVFS:
320 { 641 {
321 /* convert fd to fh */
322 SV *fh = &PL_sv_undef; 642 SV *rv = &PL_sv_undef;
323 643
644#ifndef _WIN32
324 if (req->result >= 0) 645 if (req->result >= 0)
325 { 646 {
647 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
326 GV *gv = (GV *)sv_newmortal (); 648 HV *hv = newHV ();
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 649 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
328 char sym [64]; 650 * chooses to make it a struct.
329 int symlen;
330 651 */
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 652 unsigned long fsid = 0;
332 gv_init (gv, stash, sym, symlen, 0); 653 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
333 654
334 symlen = snprintf ( 655 rv = sv_2mortal (newRV_noinc ((SV *)hv));
335 sym,
336 sizeof (sym),
337 "%s&=%d",
338 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
339 (int)req->result
340 );
341 656
342 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 657 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
343 fh = (SV *)gv; 658 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
659 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
660 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
661 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
662 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
663 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
664 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
665 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
666 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
667 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
344 } 668 }
669#endif
345 670
346 PUSHs (fh); 671 PUSHs (rv);
347 } 672 }
673
348 break; 674 break;
349 675
350 case EIO_GROUP: 676 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 677 req->int1 = 2; /* mark group as finished */
352 678
… …
364 case EIO_NOP: 690 case EIO_NOP:
365 case EIO_BUSY: 691 case EIO_BUSY:
366 break; 692 break;
367 693
368 case EIO_READLINK: 694 case EIO_READLINK:
695 case EIO_REALPATH:
369 if (req->result > 0) 696 if (req->result > 0)
370 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 697 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371 break; 698 break;
372 699
373 case EIO_STAT: 700 case EIO_STAT:
374 case EIO_LSTAT: 701 case EIO_LSTAT:
375 case EIO_FSTAT: 702 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 703 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
704
377 PL_laststatval = req->result; 705 if (!(PL_laststatval = req->result))
706 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 707 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 708
709 PUSHs (sv_result);
710 break;
711
712 case EIO_SEEK:
713 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
380 break; 714 break;
381 715
382 case EIO_READ: 716 case EIO_READ:
383 { 717 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 718 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 719 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 720 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 722 PUSHs (sv_result);
389 } 723 }
390 break; 724 break;
391 725
392 case EIO_DUP2: 726 case EIO_SLURP:
727 {
728 if (req->result >= 0)
729 {
730 /* if length was originally not known, we steal the malloc'ed memory */
731 if (req->flags & EIO_FLAG_PTR2_FREE)
732 {
733 req->flags &= ~EIO_FLAG_PTR2_FREE;
734 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
735 }
736 else
737 {
738 SvCUR_set (req->sv2, req->result);
739 *SvEND (req->sv2) = 0;
740 SvPOK_only (req->sv2);
741 }
742
743 SvSETMAGIC (req->sv2);
744 }
745
746 PUSHs (sv_result);
747 }
748 break;
749
750 case EIO_CUSTOM:
751 if (req->feed == fiemap)
752 {
753#if HAVE_FIEMAP
754 if (!req->result)
755 {
756 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
757
758 if (fiemap->fm_extent_count)
759 {
760 AV *av = newAV ();
761 int i;
762
763 while (fiemap->fm_mapped_extents)
764 {
765 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
766 AV *ext_av = newAV ();
767
768 av_store (ext_av, 3, newSVuv (extent->fe_flags));
769 av_store (ext_av, 2, newSVval64 (extent->fe_length));
770 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
771 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
772
773 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
774 }
775
776 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
777 }
778 else
779 {
780 SvIV_set (sv_result, fiemap->fm_mapped_extents);
781 PUSHs (sv_result);
782 }
783 }
784#endif
785 }
786 else
787 PUSHs (sv_result);
788 break;
789
790 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 791 if (req->result > 0)
394 req->result = 0; 792 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 793 /* FALLTHROUGH */
396 794
397 default: 795 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 796 PUSHs (sv_result);
399 break; 797 break;
400 } 798 }
401 799
402 errno = req->errorno; 800 errno = req->errorno;
403 801
404 PUTBACK; 802 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 803 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 804 SPAGAIN;
407 805
806 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
807 SvREFCNT_dec (sv_result);
808 else
809 sv_result_cache = sv_result;
810
408 FREETMPS; 811 FREETMPS;
409 LEAVE; 812 LEAVE;
410 813
411 PUTBACK; 814 PUTBACK;
412 } 815 }
413 816
414 return !!SvTRUE (ERRSV); 817 return !!SvTRUE (ERRSV);
415} 818}
416 819
820static void
417static void req_destroy (aio_req req) 821req_destroy (aio_req req)
418{ 822{
419 if (req->self) 823 if (req->self)
420 { 824 {
421 sv_unmagic (req->self, PERL_MAGIC_ext); 825 sv_unmagic (req->self, PERL_MAGIC_ext);
422 SvREFCNT_dec (req->self); 826 SvREFCNT_dec (req->self);
423 } 827 }
424 828
425 SvREFCNT_dec (req->sv1); 829 SvREFCNT_dec (req->sv1);
426 SvREFCNT_dec (req->sv2); 830 SvREFCNT_dec (req->sv2);
831 SvREFCNT_dec (req->sv3);
832 SvREFCNT_dec (req->sv4);
427 SvREFCNT_dec (req->callback); 833 SvREFCNT_dec (req->callback);
428 834
429 Safefree (req); 835 free (req);
430} 836}
431 837
838static void
432static void req_cancel_subs (aio_req grp) 839req_cancel_subs (aio_req grp)
433{ 840{
434 aio_req sub;
435
436 if (grp->type != EIO_GROUP) 841 if (grp->type != EIO_GROUP)
437 return; 842 return;
438 843
439 SvREFCNT_dec (grp->sv2); 844 SvREFCNT_dec (grp->sv2);
440 grp->sv2 = 0; 845 grp->sv2 = 0;
441 846
442 eio_grp_cancel (grp); 847 eio_grp_cancel (grp);
443} 848}
444 849
850static void ecb_cold
851create_respipe (void)
852{
853 if (s_epipe_renew (&respipe))
854 croak ("IO::AIO: unable to initialize result pipe");
855}
856
445static void 857static void
446create_respipe (void) 858poll_wait (void)
447{
448 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe");
450
451 respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452 respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453}
454
455static void poll_wait (void)
456{ 859{
457 while (eio_nreqs ()) 860 while (eio_nreqs ())
458 { 861 {
459 int size; 862 int size;
460 863
461 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
462 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
463 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
464 867
465 if (size) 868 if (size)
466 return; 869 return;
467 870
468 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
469 872
470 s_epipe_wait (&respipe); 873 s_epipe_wait (&respipe);
471 } 874 }
472} 875}
473 876
474static int poll_cb (void) 877static int
878poll_cb (void)
475{ 879{
476 for (;;) 880 for (;;)
477 { 881 {
478 int res = eio_poll (); 882 int res = eio_poll ();
479 883
… …
485 889
486 poll_wait (); 890 poll_wait ();
487 } 891 }
488} 892}
489 893
490static void atfork_child (void) 894static void ecb_cold
895reinit (void)
491{ 896{
492 create_respipe (); 897 create_respipe ();
898
899 if (eio_init (want_poll, done_poll) < 0)
900 croak ("IO::AIO: unable to initialise eio library");
493} 901}
902
903/*****************************************************************************/
494 904
495static SV * 905static SV *
496get_cb (SV *cb_sv) 906get_cb (SV *cb_sv)
497{ 907{
498 SvGETMAGIC (cb_sv); 908 SvGETMAGIC (cb_sv);
499 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 909 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
500} 910}
501 911
912static aio_req ecb_noinline
913dreq (SV *callback)
914{
915 SV *cb_cv;
916 aio_req req;
917 int req_pri = next_pri;
918 next_pri = EIO_PRI_DEFAULT;
919
920 cb_cv = get_cb (callback);
921
922 req = calloc (sizeof (*req), 1);
923 if (!req)
924 croak ("out of memory during eio_req allocation");
925
926 req->callback = SvREFCNT_inc (cb_cv);
927 req->pri = req_pri;
928
929 return req;
930}
931
502#define dREQ \ 932#define dREQ \
503 SV *cb_cv; \ 933 aio_req req = dreq (callback); \
504 aio_req req; \
505 int req_pri = next_pri; \
506 next_pri = EIO_PRI_DEFAULT; \
507 \
508 cb_cv = get_cb (callback); \
509 \
510 Newz (0, req, 1, eio_req); \
511 if (!req) \
512 croak ("out of memory during eio_req allocation"); \
513 \
514 req->callback = SvREFCNT_inc (cb_cv); \
515 req->pri = req_pri
516 934
517#define REQ_SEND \ 935#define REQ_SEND \
518 PUTBACK; \ 936 PUTBACK; \
519 req_submit (req); \ 937 req_submit (req); \
520 SPAGAIN; \ 938 SPAGAIN; \
521 \ 939 \
522 if (GIMME_V != G_VOID) \ 940 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 941 XPUSHs (req_sv (req, aio_req_stash));
942
943ecb_inline void
944req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
945{
946 if (expect_false (SvROK (path)))
947 {
948 SV *rv = SvRV (path);
949 SV *wdob;
950
951 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
952 {
953 path = AvARRAY (rv)[1];
954 wdob = AvARRAY (rv)[0];
955
956 if (SvOK (wdob))
957 {
958 *wd = SvAIO_WD (wdob);
959 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
960 }
961 else
962 *wd = EIO_INVALID_WD;
963 }
964 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
965 {
966 *wd = (aio_wd)(long)SvIVX (rv);
967 *wdsv = SvREFCNT_inc_NN (rv);
968 *ptr = ".";
969 return; /* path set to "." */
970 }
971 else
972 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
973 }
974
975 *pathsv = newSVsv (path);
976 *ptr = SvPVbyte_nolen (*pathsv);
977}
978
979static void ecb_noinline
980req_set_path1 (aio_req req, SV *path)
981{
982 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
983}
984
985static void ecb_noinline
986req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
987{
988 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
989
990 switch (SvTYPE (rv))
991 {
992 case SVt_PVIO:
993 case SVt_PVLV:
994 case SVt_PVGV:
995 req->type = type_fh;
996 req->sv1 = newSVsv (fh_or_path);
997 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
998 break;
999
1000 default:
1001 req->type = type_path;
1002 req_set_path1 (req, fh_or_path);
1003 break;
1004 }
1005}
1006
1007/*****************************************************************************/
1008
1009static void
1010ts_set (struct timespec *ts, NV value)
1011{
1012 ts->tv_sec = value;
1013 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1014}
1015
1016static NV
1017ts_get (const struct timespec *ts)
1018{
1019 return ts->tv_sec + ts->tv_nsec * 1e-9;
1020}
1021
1022/*****************************************************************************/
1023
1024XS(boot_IO__AIO) ecb_cold;
524 1025
525MODULE = IO::AIO PACKAGE = IO::AIO 1026MODULE = IO::AIO PACKAGE = IO::AIO
526 1027
527PROTOTYPES: ENABLE 1028PROTOTYPES: ENABLE
528 1029
… …
530{ 1031{
531 static const struct { 1032 static const struct {
532 const char *name; 1033 const char *name;
533 IV iv; 1034 IV iv;
534 } *civ, const_iv[] = { 1035 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 1036# define const_niv(name, value) { # name, (IV) value },
1037# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 1038# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 1039
1040 /* you have to re-run ./gendef0 after adding/removing any constants here */
1041 /* the first block can be undef if missing */
538 const_iv (ENOSYS , ENOSYS) 1042 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 1043 const_iv (EXDEV)
540 const_iv (O_WRONLY, O_WRONLY) 1044 const_iv (EBADR)
541 const_iv (O_CREAT , O_CREAT) 1045
542 const_iv (O_TRUNC , O_TRUNC) 1046 /* for lseek */
543#ifndef _WIN32 1047 const_iv (SEEK_DATA)
544 const_iv (S_IFIFO , S_IFIFO) 1048 const_iv (SEEK_HOLE)
545#endif 1049
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1055 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1056
1057 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1058 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1059 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1060 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1061 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1062
1063 /* the second block will be 0 when missing */
1064 const_iv (O_ACCMODE)
1065
1066 const_iv (O_RDONLY)
1067 const_iv (O_WRONLY)
1068 const_iv (O_RDWR)
1069 const_iv (O_CREAT)
1070 const_iv (O_TRUNC)
1071 const_iv (O_EXCL)
1072 const_iv (O_APPEND)
1073
1074 const_iv (O_ASYNC)
1075 const_iv (O_DIRECT)
1076 const_iv (O_NOATIME)
1077
1078 const_iv (O_CLOEXEC)
1079 const_iv (O_NOCTTY)
1080 const_iv (O_NOFOLLOW)
1081 const_iv (O_NONBLOCK)
1082 const_iv (O_EXEC)
1083 const_iv (O_SEARCH)
1084 const_iv (O_DIRECTORY)
1085 const_iv (O_DSYNC)
1086 const_iv (O_RSYNC)
1087 const_iv (O_SYNC)
1088 const_iv (O_PATH)
1089 const_iv (O_TMPFILE)
1090 const_iv (O_TTY_INIT)
1091
1092 const_iv (S_IFIFO)
1093 const_iv (S_IFCHR)
1094 const_iv (S_IFBLK)
1095 const_iv (S_IFLNK)
1096 const_iv (S_IFREG)
1097 const_iv (S_IFDIR)
1098 const_iv (S_IFWHT)
1099 const_iv (S_IFSOCK)
1100 const_iv (S_IFMT)
1101
1102 const_iv (ST_RDONLY)
1103 const_iv (ST_NOSUID)
1104 const_iv (ST_NODEV)
1105 const_iv (ST_NOEXEC)
1106 const_iv (ST_SYNCHRONOUS)
1107 const_iv (ST_MANDLOCK)
1108 const_iv (ST_WRITE)
1109 const_iv (ST_APPEND)
1110 const_iv (ST_IMMUTABLE)
1111 const_iv (ST_NOATIME)
1112 const_iv (ST_NODIRATIME)
1113 const_iv (ST_RELATIME)
1114
1115 const_iv (PROT_NONE)
1116 const_iv (PROT_EXEC)
1117 const_iv (PROT_READ)
1118 const_iv (PROT_WRITE)
1119
1120 const_iv (MAP_PRIVATE)
1121 const_iv (MAP_SHARED)
1122 const_iv (MAP_FIXED)
1123 const_iv (MAP_ANONYMOUS)
1124
1125 /* linuxish */
1126 const_iv (MAP_LOCKED)
1127 const_iv (MAP_NORESERVE)
1128 const_iv (MAP_POPULATE)
1129 const_iv (MAP_NONBLOCK)
1130 const_iv (MAP_GROWSDOWN)
1131 const_iv (MAP_32BIT)
1132 const_iv (MAP_HUGETLB)
1133 const_iv (MAP_STACK)
1134
1135 const_iv (MREMAP_MAYMOVE)
1136 const_iv (MREMAP_FIXED)
1137
1138 const_iv (F_DUPFD_CLOEXEC)
1139
1140 const_iv (MSG_CMSG_CLOEXEC)
1141 const_iv (SOCK_CLOEXEC)
1142
1143 const_iv (F_OFD_GETLK)
1144 const_iv (F_OFD_SETLK)
1145 const_iv (F_OFD_GETLKW)
1146
1147 const_iv (FIFREEZE)
1148 const_iv (FITHAW)
1149 const_iv (FITRIM)
1150 const_iv (FICLONE)
1151 const_iv (FICLONERANGE)
1152 const_iv (FIDEDUPERANGE)
1153
1154 const_iv (FS_IOC_GETFLAGS)
1155 const_iv (FS_IOC_SETFLAGS)
1156 const_iv (FS_IOC_GETVERSION)
1157 const_iv (FS_IOC_SETVERSION)
1158 const_iv (FS_IOC_FIEMAP)
1159 const_iv (FS_IOC_FSGETXATTR)
1160 const_iv (FS_IOC_FSSETXATTR)
1161 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1162 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1163 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1164
1165 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1166
1167 const_iv (FS_SECRM_FL)
1168 const_iv (FS_UNRM_FL)
1169 const_iv (FS_COMPR_FL)
1170 const_iv (FS_SYNC_FL)
1171 const_iv (FS_IMMUTABLE_FL)
1172 const_iv (FS_APPEND_FL)
1173 const_iv (FS_NODUMP_FL)
1174 const_iv (FS_NOATIME_FL)
1175 const_iv (FS_DIRTY_FL)
1176 const_iv (FS_COMPRBLK_FL)
1177 const_iv (FS_NOCOMP_FL)
1178 const_iv (FS_ENCRYPT_FL)
1179 const_iv (FS_BTREE_FL)
1180 const_iv (FS_INDEX_FL)
1181 const_iv (FS_JOURNAL_DATA_FL)
1182 const_iv (FS_NOTAIL_FL)
1183 const_iv (FS_DIRSYNC_FL)
1184 const_iv (FS_TOPDIR_FL)
1185 const_iv (FS_FL_USER_MODIFIABLE)
1186
1187 const_iv (FS_XFLAG_REALTIME)
1188 const_iv (FS_XFLAG_PREALLOC)
1189 const_iv (FS_XFLAG_IMMUTABLE)
1190 const_iv (FS_XFLAG_APPEND)
1191 const_iv (FS_XFLAG_SYNC)
1192 const_iv (FS_XFLAG_NOATIME)
1193 const_iv (FS_XFLAG_NODUMP)
1194 const_iv (FS_XFLAG_RTINHERIT)
1195 const_iv (FS_XFLAG_PROJINHERIT)
1196 const_iv (FS_XFLAG_NOSYMLINKS)
1197 const_iv (FS_XFLAG_EXTSIZE)
1198 const_iv (FS_XFLAG_EXTSZINHERIT)
1199 const_iv (FS_XFLAG_NODEFRAG)
1200 const_iv (FS_XFLAG_FILESTREAM)
1201 const_iv (FS_XFLAG_DAX)
1202 const_iv (FS_XFLAG_HASATTR)
1203
1204 const_iv (FIEMAP_FLAG_SYNC)
1205 const_iv (FIEMAP_FLAG_XATTR)
1206 const_iv (FIEMAP_FLAGS_COMPAT)
1207 const_iv (FIEMAP_EXTENT_LAST)
1208 const_iv (FIEMAP_EXTENT_UNKNOWN)
1209 const_iv (FIEMAP_EXTENT_DELALLOC)
1210 const_iv (FIEMAP_EXTENT_ENCODED)
1211 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1212 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1213 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1214 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1215 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1216 const_iv (FIEMAP_EXTENT_MERGED)
1217 const_iv (FIEMAP_EXTENT_SHARED)
1218
1219 const_iv (SPLICE_F_MOVE)
1220 const_iv (SPLICE_F_NONBLOCK)
1221 const_iv (SPLICE_F_MORE)
1222 const_iv (SPLICE_F_GIFT)
1223
1224 const_iv (EFD_CLOEXEC)
1225 const_iv (EFD_NONBLOCK)
1226 const_iv (EFD_SEMAPHORE)
1227
1228 const_iv (CLOCK_REALTIME)
1229 const_iv (CLOCK_MONOTONIC)
1230 const_iv (CLOCK_BOOTTIME)
1231 const_iv (CLOCK_REALTIME_ALARM)
1232 const_iv (CLOCK_BOOTTIME_ALARM)
1233
1234 const_iv (TFD_NONBLOCK)
1235 const_iv (TFD_CLOEXEC)
1236
1237 const_iv (TFD_TIMER_ABSTIME)
1238 const_iv (TFD_TIMER_CANCEL_ON_SET)
1239
1240 /* these are libeio constants, and are independent of gendef0 */
1241 const_eio (SEEK_SET)
1242 const_eio (SEEK_CUR)
1243 const_eio (SEEK_END)
1244
1245 const_eio (MCL_FUTURE)
1246 const_eio (MCL_CURRENT)
1247
1248 const_eio (MS_ASYNC)
1249 const_eio (MS_INVALIDATE)
1250 const_eio (MS_SYNC)
1251
1252 const_eio (MT_MODIFY)
552 1253
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1254 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 1255 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1256 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1257
1258 const_eio (FALLOC_FL_KEEP_SIZE)
1259 const_eio (FALLOC_FL_PUNCH_HOLE)
1260 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1261 const_eio (FALLOC_FL_ZERO_RANGE)
1262 const_eio (FALLOC_FL_INSERT_RANGE)
1263 const_eio (FALLOC_FL_UNSHARE_RANGE)
1264
1265 const_eio (RENAME_NOREPLACE)
1266 const_eio (RENAME_EXCHANGE)
1267 const_eio (RENAME_WHITEOUT)
556 1268
557 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
558 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
559 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
560 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
… …
568 const_eio (DT_LNK) 1280 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 1281 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 1282 const_eio (DT_WHT)
571 }; 1283 };
572 1284
573 stash = gv_stashpv ("IO::AIO", 1); 1285 aio_stash = gv_stashpv ("IO::AIO" , 1);
1286 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1287 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1288 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
574 1289
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1290 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1291 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
577 1292
578 create_respipe (); 1293 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
579 1294
580 if (eio_init (want_poll, done_poll) < 0) 1295 reinit ();
581 croak ("IO::AIO: unable to initialise eio library");
582
583 /* atfork child called in fifo order, so before eio's handler */
584 X_THREAD_ATFORK (0, 0, atfork_child);
585} 1296}
586 1297
587void 1298void
1299reinit ()
1300 PROTOTYPE:
1301
1302void
588max_poll_reqs (int nreqs) 1303max_poll_reqs (unsigned int nreqs)
589 PROTOTYPE: $ 1304 PROTOTYPE: $
590 CODE: 1305 CODE:
591 eio_set_max_poll_reqs (nreqs); 1306 eio_set_max_poll_reqs (nreqs);
592 1307
593void 1308void
… …
595 PROTOTYPE: $ 1310 PROTOTYPE: $
596 CODE: 1311 CODE:
597 eio_set_max_poll_time (nseconds); 1312 eio_set_max_poll_time (nseconds);
598 1313
599void 1314void
600min_parallel (int nthreads) 1315min_parallel (unsigned int nthreads)
601 PROTOTYPE: $ 1316 PROTOTYPE: $
602 CODE: 1317 CODE:
603 eio_set_min_parallel (nthreads); 1318 eio_set_min_parallel (nthreads);
604 1319
605void 1320void
606max_parallel (int nthreads) 1321max_parallel (unsigned int nthreads)
607 PROTOTYPE: $ 1322 PROTOTYPE: $
608 CODE: 1323 CODE:
609 eio_set_max_parallel (nthreads); 1324 eio_set_max_parallel (nthreads);
610 1325
611void 1326void
612max_idle (int nthreads) 1327max_idle (unsigned int nthreads)
613 PROTOTYPE: $ 1328 PROTOTYPE: $
614 CODE: 1329 CODE:
615 eio_set_max_idle (nthreads); 1330 eio_set_max_idle (nthreads);
616 1331
617void 1332void
1333idle_timeout (unsigned int seconds)
1334 PROTOTYPE: $
1335 CODE:
1336 eio_set_idle_timeout (seconds);
1337
1338void
618max_outstanding (int maxreqs) 1339max_outstanding (unsigned int maxreqs)
619 PROTOTYPE: $ 1340 PROTOTYPE: $
620 CODE: 1341 CODE:
621 max_outstanding = maxreqs; 1342 max_outstanding = maxreqs;
622 1343
623void 1344void
624aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1345aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
625 PROTOTYPE: $$$;$
626 PPCODE: 1346 PPCODE:
627{ 1347{
628 dREQ; 1348 dREQ;
629 1349
1350 req->type = EIO_WD_OPEN;
1351 req_set_path1 (req, pathname);
1352
1353 REQ_SEND;
1354}
1355
1356void
1357aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1358 PPCODE:
1359{
1360 dREQ;
1361
630 req->type = EIO_OPEN; 1362 req->type = EIO_OPEN;
631 req->sv1 = newSVsv (pathname); 1363 req_set_path1 (req, pathname);
632 req->ptr1 = SvPVbyte_nolen (req->sv1);
633 req->int1 = flags; 1364 req->int1 = flags;
634 req->int2 = mode; 1365 req->int2 = mode;
635 1366
636 REQ_SEND; 1367 REQ_SEND;
637} 1368}
638 1369
639void 1370void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1371aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 1372 ALIAS:
643 aio_fsync = EIO_FSYNC 1373 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 1374 aio_fdatasync = EIO_FDATASYNC
1375 aio_syncfs = EIO_SYNCFS
645 PPCODE: 1376 PPCODE:
646{ 1377{
647 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
648 dREQ; 1379 dREQ;
649 1380
650 req->type = ix; 1381 req->type = ix;
651 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
652 req->int1 = fd; 1383 req->int1 = fd;
653 1384
654 REQ_SEND (req); 1385 REQ_SEND;
655} 1386}
656 1387
657void 1388void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1389aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 1390 PPCODE:
661{ 1391{
662 int fd = s_fileno_croak (fh, 0); 1392 int fd = s_fileno_croak (fh, 0);
663 dREQ; 1393 dREQ;
664 1394
665 req->type = EIO_SYNC_FILE_RANGE; 1395 req->type = EIO_SYNC_FILE_RANGE;
666 req->sv1 = newSVsv (fh); 1396 req->sv1 = newSVsv (fh);
667 req->int1 = fd; 1397 req->int1 = fd;
668 req->offs = offset; 1398 req->offs = offset;
669 req->size = nbytes; 1399 req->size = nbytes;
670 req->int2 = flags; 1400 req->int2 = flags;
671 1401
672 REQ_SEND (req); 1402 REQ_SEND;
673} 1403}
674 1404
675void 1405void
676aio_close (SV *fh, SV *callback=&PL_sv_undef) 1406aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
677 PROTOTYPE: $;$
678 PPCODE: 1407 PPCODE:
679{ 1408{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 1409 int fd = s_fileno_croak (fh, 0);
682 dREQ; 1410 dREQ;
683 1411
684 if (close_pipe < 0) 1412 req->type = EIO_FALLOCATE;
1413 req->sv1 = newSVsv (fh);
1414 req->int1 = fd;
1415 req->int2 = mode;
1416 req->offs = offset;
1417 req->size = len;
1418
1419 REQ_SEND;
1420}
1421
1422void
1423aio_close (SV *fh, SV *callback = &PL_sv_undef)
1424 PPCODE:
1425{
1426 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1427 int fd = s_fileno_croak (fh, 0);
1428 dREQ;
1429
1430 if (expect_false (close_fd < 0))
685 { 1431 {
686 int pipefd [2]; 1432 int pipefd [2];
687 1433
1434 if (
1435#ifdef _WIN32
1436 _pipe (pipefd, 1, _O_BINARY) < 0
1437#else
688 if (pipe (pipefd) < 0 1438 pipe (pipefd) < 0
689 || close (pipefd [1]) < 0
690 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1439 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1440#endif
1441 || close (pipefd [1]) < 0
1442 )
691 abort (); /*D*/ 1443 abort (); /*D*/
692 1444
693 close_pipe = pipefd [0]; 1445 close_fd = pipefd [0];
694 } 1446 }
695 1447
696 req->type = EIO_DUP2; 1448 req->type = EIO_DUP2;
697 req->int1 = close_pipe; 1449 req->int1 = close_fd;
698 req->sv2 = newSVsv (fh); 1450 req->sv2 = newSVsv (fh);
699 req->int2 = fd; 1451 req->int2 = fd;
700 1452
701 REQ_SEND (req); 1453 REQ_SEND;
702} 1454}
703 1455
704void 1456void
1457aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1458 PPCODE:
1459{
1460 int fd = s_fileno_croak (fh, 0);
1461 dREQ;
1462
1463 req->type = EIO_SEEK;
1464 req->sv1 = newSVsv (fh);
1465 req->int1 = fd;
1466 req->offs = SvVAL64 (offset);
1467 req->int2 = whence;
1468
1469 REQ_SEND;
1470}
1471
1472void
705aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1473aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
706 ALIAS: 1474 ALIAS:
707 aio_read = EIO_READ 1475 aio_read = EIO_READ
708 aio_write = EIO_WRITE 1476 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 1477 PPCODE:
711{ 1478{
712 STRLEN svlen; 1479 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1480 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 1481 char *svptr = SvPVbyte (data, svlen);
… …
727 len = svlen - dataoffset; 1494 len = svlen - dataoffset;
728 } 1495 }
729 else 1496 else
730 { 1497 {
731 /* read: check type and grow scalar as necessary */ 1498 /* read: check type and grow scalar as necessary */
732 SvUPGRADE (data, SVt_PV); 1499 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
733 svptr = SvGROW (data, len + dataoffset + 1); 1500 svptr = sv_grow (data, len + dataoffset + 1);
1501 else if (SvCUR (data) < len + dataoffset)
1502 croak ("length + dataoffset outside of scalar, and cannot grow");
734 } 1503 }
735 1504
736 { 1505 {
737 dREQ; 1506 dREQ;
738 1507
… …
754 REQ_SEND; 1523 REQ_SEND;
755 } 1524 }
756} 1525}
757 1526
758void 1527void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
760 PROTOTYPE: $$;$ 1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
761 PPCODE: 1532 PPCODE:
762{ 1533{
763 SV *data; 1534 int fd = s_fileno_croak (fh, 0);
1535 char *svptr;
1536
1537 if (SvPOK (arg) || !SvNIOK (arg))
1538 {
1539 STRLEN svlen;
1540 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1541#ifdef IOCPARM_LEN
1542 STRLEN need = IOCPARM_LEN (request);
1543#else
1544 STRLEN need = 256;
1545#endif
1546
1547 if (svlen < need)
1548 svptr = SvGROW (arg, need);
1549 }
1550 else
1551 svptr = (char *)SvIV (arg);
1552
1553 {
1554 dREQ;
1555
1556 req->type = ix;
1557 req->sv1 = newSVsv (fh);
1558 req->int1 = fd;
1559 req->int2 = (long)request;
1560 req->sv2 = SvREFCNT_inc (arg);
1561 req->ptr2 = svptr;
1562
1563 REQ_SEND;
1564 }
1565}
1566
1567void
1568aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1569 ALIAS:
1570 aio_readlink = EIO_READLINK
1571 aio_realpath = EIO_REALPATH
1572 PPCODE:
1573{
764 dREQ; 1574 dREQ;
765 1575
766 req->type = EIO_READLINK; 1576 req->type = ix;
767 req->sv1 = newSVsv (path); 1577 req_set_path1 (req, pathname);
768 req->ptr1 = SvPVbyte_nolen (req->sv1);
769 1578
770 REQ_SEND; 1579 REQ_SEND;
771} 1580}
772 1581
773void 1582void
774aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1583aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1584 PPCODE:
777{ 1585{
778 int ifd = s_fileno_croak (in_fh , 0); 1586 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1587 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1588 dREQ;
781 1589
782 req->type = EIO_SENDFILE; 1590 req->type = EIO_SENDFILE;
783 req->sv1 = newSVsv (out_fh); 1591 req->sv1 = newSVsv (out_fh);
784 req->int1 = ofd; 1592 req->int1 = ofd;
… …
789 1597
790 REQ_SEND; 1598 REQ_SEND;
791} 1599}
792 1600
793void 1601void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1602aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1603 PPCODE:
797{ 1604{
798 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1606 dREQ;
800 1607
801 req->type = EIO_READAHEAD; 1608 req->type = EIO_READAHEAD;
802 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
803 req->int1 = fd; 1610 req->int1 = fd;
… …
806 1613
807 REQ_SEND; 1614 REQ_SEND;
808} 1615}
809 1616
810void 1617void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1618aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
812 ALIAS: 1619 ALIAS:
813 aio_stat = EIO_STAT 1620 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1621 aio_lstat = EIO_LSTAT
1622 aio_statvfs = EIO_STATVFS
815 PPCODE: 1623 PPCODE:
816{ 1624{
817 dREQ; 1625 dREQ;
818 1626
819 req->sv1 = newSVsv (fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
820
821 if (SvPOK (req->sv1))
822 {
823 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 }
826 else
827 {
828 req->type = EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 }
831 1628
832 REQ_SEND; 1629 REQ_SEND;
833} 1630}
834 1631
835void 1632void
1633stat_xtime ()
1634 ALIAS:
1635 stat_atime = 1
1636 stat_mtime = 2
1637 stat_ctime = 4
1638 stat_xtime = 7
1639 PPCODE:
1640 EXTEND (SP, 3);
1641 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1642 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1643 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1644
1645void
1646stat_xtimensec ()
1647 ALIAS:
1648 stat_atimensec = 1
1649 stat_mtimensec = 2
1650 stat_ctimensec = 4
1651 stat_xtimensec = 7
1652 PPCODE:
1653 EXTEND (SP, 3);
1654 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1655 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1656 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1657
1658UV
1659major (UV dev)
1660 ALIAS:
1661 minor = 1
1662 CODE:
1663 RETVAL = ix ? minor (dev) : major (dev);
1664 OUTPUT:
1665 RETVAL
1666
1667UV
1668makedev (UV maj, UV min)
1669 CODE:
1670 RETVAL = makedev (maj, min);
1671 OUTPUT:
1672 RETVAL
1673
1674void
836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1675aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
837 PPCODE: 1676 PPCODE:
838{ 1677{
839 dREQ; 1678 dREQ;
840 1679
841 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1680 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
842 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1681 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
843 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
844
845 if (SvPOK (req->sv1))
846 {
847 req->type = EIO_UTIME;
848 req->ptr1 = SvPVbyte_nolen (req->sv1);
849 }
850 else
851 {
852 req->type = EIO_FUTIME;
853 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
854 }
855 1683
856 REQ_SEND; 1684 REQ_SEND;
857} 1685}
858 1686
859void 1687void
860aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1688aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
861 PPCODE: 1689 PPCODE:
862{ 1690{
863 dREQ; 1691 dREQ;
864 1692
865 req->sv1 = newSVsv (fh_or_path);
866 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1693 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
867 1694 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
868 if (SvPOK (req->sv1))
869 {
870 req->type = EIO_TRUNCATE;
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 }
873 else
874 {
875 req->type = EIO_FTRUNCATE;
876 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
877 }
878 1695
879 REQ_SEND; 1696 REQ_SEND;
880} 1697}
881 1698
882void 1699void
883aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1700aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
884 ALIAS:
885 aio_chmod = EIO_CHMOD
886 aio_mkdir = EIO_MKDIR
887 PPCODE: 1701 PPCODE:
888{ 1702{
889 dREQ; 1703 dREQ;
890 1704
891 req->int2 = mode; 1705 req->int2 = mode;
892 req->sv1 = newSVsv (fh_or_path); 1706 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
893
894 if (SvPOK (req->sv1))
895 {
896 req->type = ix;
897 req->ptr1 = SvPVbyte_nolen (req->sv1);
898 }
899 else
900 {
901 req->type = EIO_FCHMOD;
902 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
903 }
904 1707
905 REQ_SEND; 1708 REQ_SEND;
906} 1709}
907 1710
908void 1711void
909aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1712aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
910 PPCODE: 1713 PPCODE:
911{ 1714{
912 dREQ; 1715 dREQ;
913 1716
914 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1717 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
915 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1718 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
916 req->sv1 = newSVsv (fh_or_path); 1719 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
917
918 if (SvPOK (req->sv1))
919 {
920 req->type = EIO_CHOWN;
921 req->ptr1 = SvPVbyte_nolen (req->sv1);
922 }
923 else
924 {
925 req->type = EIO_FCHOWN;
926 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
927 }
928 1720
929 REQ_SEND; 1721 REQ_SEND;
930} 1722}
931 1723
932void 1724void
933aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1725aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
934 PPCODE: 1726 PPCODE:
935{ 1727{
936 dREQ; 1728 dREQ;
937 1729
938 req->type = EIO_READDIR; 1730 req->type = EIO_READDIR;
939 req->sv1 = newSVsv (pathname);
940 req->ptr1 = SvPVbyte_nolen (req->sv1);
941 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1731 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
942 1732
943 if (flags & EIO_READDIR_DENTS) 1733 if (flags & EIO_READDIR_DENTS)
944 req->int1 |= EIO_READDIR_CUSTOM2; 1734 req->int1 |= EIO_READDIR_CUSTOM2;
945 1735
1736 req_set_path1 (req, pathname);
1737
946 REQ_SEND; 1738 REQ_SEND;
947} 1739}
948 1740
949void 1741void
1742aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1743 PPCODE:
1744{
1745 dREQ;
1746
1747 req->type = EIO_MKDIR;
1748 req->int2 = mode;
1749 req_set_path1 (req, pathname);
1750
1751 REQ_SEND;
1752}
1753
1754void
950aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1755aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
951 ALIAS: 1756 ALIAS:
952 aio_unlink = EIO_UNLINK 1757 aio_unlink = EIO_UNLINK
953 aio_rmdir = EIO_RMDIR 1758 aio_rmdir = EIO_RMDIR
954 aio_readdir = EIO_READDIR 1759 aio_readdir = EIO_READDIR
955 PPCODE: 1760 PPCODE:
956{ 1761{
957 dREQ; 1762 dREQ;
958 1763
959 req->type = ix; 1764 req->type = ix;
960 req->sv1 = newSVsv (pathname); 1765 req_set_path1 (req, pathname);
961 req->ptr1 = SvPVbyte_nolen (req->sv1);
962 1766
963 REQ_SEND; 1767 REQ_SEND;
964} 1768}
965 1769
966void 1770void
967aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1771aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
968 ALIAS: 1772 ALIAS:
969 aio_link = EIO_LINK 1773 aio_link = EIO_LINK
970 aio_symlink = EIO_SYMLINK 1774 aio_symlink = EIO_SYMLINK
971 aio_rename = EIO_RENAME 1775 aio_rename = EIO_RENAME
972 PPCODE: 1776 PPCODE:
973{ 1777{
1778 eio_wd wd2 = 0;
974 dREQ; 1779 dREQ;
975 1780
976 req->type = ix; 1781 req->type = ix;
977 req->sv1 = newSVsv (oldpath); 1782 req_set_path1 (req, oldpath);
978 req->ptr1 = SvPVbyte_nolen (req->sv1); 1783 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
979 req->sv2 = newSVsv (newpath); 1784 req->int3 = (long)wd2;
980 req->ptr2 = SvPVbyte_nolen (req->sv2);
981 1785
982 REQ_SEND; 1786 REQ_SEND;
983} 1787}
984 1788
985void 1789void
1790aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1791 PPCODE:
1792{
1793 eio_wd wd2 = 0;
1794 dREQ;
1795
1796 req->type = EIO_RENAME;
1797 req_set_path1 (req, oldpath);
1798 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1799 req->int2 = flags;
1800 req->int3 = (long)wd2;
1801
1802 REQ_SEND;
1803}
1804
1805void
986aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1806aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
987 PPCODE: 1807 PPCODE:
988{ 1808{
989 dREQ; 1809 dREQ;
990 1810
991 req->type = EIO_MKNOD; 1811 req->type = EIO_MKNOD;
992 req->sv1 = newSVsv (pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 req->int2 = (mode_t)mode; 1812 req->int2 = (mode_t)mode;
995 req->offs = dev; 1813 req->offs = dev;
1814 req_set_path1 (req, pathname);
996 1815
997 REQ_SEND; 1816 REQ_SEND;
998} 1817}
999 1818
1000void 1819void
1820aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1821 ALIAS:
1822 aio_mtouch = EIO_MTOUCH
1823 aio_msync = EIO_MSYNC
1824 PPCODE:
1825{
1826 STRLEN svlen;
1827 char *svptr = SvPVbyte (data, svlen);
1828 UV len = SvUV (length);
1829
1830 if (flags < 0)
1831 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1832
1833 if (offset < 0)
1834 offset += svlen;
1835
1836 if (offset < 0 || offset > svlen)
1837 croak ("offset outside of scalar");
1838
1839 if (!SvOK (length) || len + offset > svlen)
1840 len = svlen - offset;
1841
1842 {
1843 dREQ;
1844
1845 req->type = ix;
1846 req->sv2 = SvREFCNT_inc (data);
1847 req->ptr2 = (char *)svptr + offset;
1848 req->size = len;
1849 req->int1 = flags;
1850
1851 REQ_SEND;
1852 }
1853}
1854
1855void
1856aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1857 PPCODE:
1858{
1859 STRLEN svlen;
1860 char *svptr = SvPVbyte (data, svlen);
1861 UV len = SvUV (length);
1862
1863 if (offset < 0)
1864 offset += svlen;
1865
1866 if (offset < 0 || offset > svlen)
1867 croak ("offset outside of scalar");
1868
1869 if (!SvOK (length) || len + offset > svlen)
1870 len = svlen - offset;
1871
1872 {
1873 dREQ;
1874
1875 req->type = EIO_MLOCK;
1876 req->sv2 = SvREFCNT_inc (data);
1877 req->ptr2 = (char *)svptr + offset;
1878 req->size = len;
1879
1880 REQ_SEND;
1881 }
1882}
1883
1884void
1885aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1886 PPCODE:
1887{
1888 dREQ;
1889
1890 req->type = EIO_MLOCKALL;
1891 req->int1 = flags;
1892
1893 REQ_SEND;
1894}
1895
1896void
1897aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1898 PPCODE:
1899{
1900 int fd = s_fileno_croak (fh, 0);
1901 dREQ;
1902
1903 req->type = EIO_CUSTOM;
1904 req->sv1 = newSVsv (fh);
1905 req->int1 = fd;
1906
1907 req->feed = fiemap;
1908#if HAVE_FIEMAP
1909 /* keep our fingers crossed that the next two types are 64 bit */
1910 req->offs = start;
1911 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1912 req->int2 = flags;
1913 req->int3 = SvOK (count) ? SvIV (count) : -1;
1914#endif
1915
1916 REQ_SEND;
1917}
1918
1919void
1920aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1921 PPCODE:
1922{
1923 char *svptr = 0;
1924
1925 sv_clear_foreign (data);
1926
1927 if (length) /* known length, directly read into scalar */
1928 {
1929 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1930 svptr = sv_grow (data, length + 1);
1931 else if (SvCUR (data) < length)
1932 croak ("length outside of scalar, and cannot grow");
1933 else
1934 svptr = SvPVbyte_nolen (data);
1935 }
1936
1937 {
1938 dREQ;
1939
1940 req->type = EIO_SLURP;
1941 req_set_path1 (req, pathname);
1942 req->offs = offset;
1943 req->size = length;
1944 req->sv2 = SvREFCNT_inc (data);
1945 req->ptr2 = svptr;
1946
1947 if (!SvREADONLY (data))
1948 {
1949 SvREADONLY_on (data);
1950 req->flags |= FLAG_SV2_RO_OFF;
1951 }
1952
1953 REQ_SEND;
1954 }
1955}
1956
1957void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1002 PPCODE: 1959 PPCODE:
1003{ 1960{
1004 dREQ; 1961 dREQ;
1005 1962
1006 req->type = EIO_BUSY; 1963 req->type = EIO_BUSY;
… …
1008 1965
1009 REQ_SEND; 1966 REQ_SEND;
1010} 1967}
1011 1968
1012void 1969void
1013aio_group (SV *callback=&PL_sv_undef) 1970aio_group (SV *callback = &PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 1971 PPCODE:
1016{ 1972{
1017 dREQ; 1973 dREQ;
1018 1974
1019 req->type = EIO_GROUP; 1975 req->type = EIO_GROUP;
1020 1976
1977 PUTBACK;
1021 req_submit (req); 1978 req_submit (req);
1979 SPAGAIN;
1980
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1981 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1982}
1024 1983
1025void 1984void
1026aio_nop (SV *callback=&PL_sv_undef) 1985aio_nop (SV *callback = &PL_sv_undef)
1027 ALIAS: 1986 ALIAS:
1028 aio_nop = EIO_NOP 1987 aio_nop = EIO_NOP
1029 aio_sync = EIO_SYNC 1988 aio_sync = EIO_SYNC
1030 PPCODE: 1989 PPCODE:
1031{ 1990{
… …
1035 1994
1036 REQ_SEND; 1995 REQ_SEND;
1037} 1996}
1038 1997
1039int 1998int
1040aioreq_pri (int pri = 0) 1999aioreq_pri (int pri = NO_INIT)
1041 PROTOTYPE: ;$
1042 CODE: 2000 CODE:
1043 RETVAL = next_pri; 2001 RETVAL = next_pri;
1044 if (items > 0) 2002 if (items > 0)
1045 { 2003 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2004 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2016 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 2017 next_pri = nice;
1060 2018
1061void 2019void
1062flush () 2020flush ()
1063 PROTOTYPE:
1064 CODE: 2021 CODE:
1065 while (eio_nreqs ()) 2022 while (eio_nreqs ())
1066 { 2023 {
1067 poll_wait (); 2024 poll_wait ();
1068 poll_cb (); 2025 poll_cb ();
1069 } 2026 }
1070 2027
1071int 2028int
1072poll() 2029poll ()
1073 PROTOTYPE:
1074 CODE: 2030 CODE:
1075 poll_wait (); 2031 poll_wait ();
1076 RETVAL = poll_cb (); 2032 RETVAL = poll_cb ();
1077 OUTPUT: 2033 OUTPUT:
1078 RETVAL 2034 RETVAL
1079 2035
1080int 2036int
1081poll_fileno() 2037poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 2038 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 2039 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 2040 OUTPUT:
1086 RETVAL 2041 RETVAL
1087 2042
1088int 2043int
1089poll_cb(...) 2044poll_cb (...)
1090 PROTOTYPE: 2045 PROTOTYPE:
1091 CODE: 2046 CODE:
1092 RETVAL = poll_cb (); 2047 RETVAL = poll_cb ();
1093 OUTPUT: 2048 OUTPUT:
1094 RETVAL 2049 RETVAL
1095 2050
1096void 2051void
1097poll_wait() 2052poll_wait ()
1098 PROTOTYPE:
1099 CODE: 2053 CODE:
1100 poll_wait (); 2054 poll_wait ();
1101 2055
1102int 2056int
1103nreqs() 2057nreqs ()
1104 PROTOTYPE:
1105 CODE: 2058 CODE:
1106 RETVAL = eio_nreqs (); 2059 RETVAL = eio_nreqs ();
1107 OUTPUT: 2060 OUTPUT:
1108 RETVAL 2061 RETVAL
1109 2062
1110int 2063int
1111nready() 2064nready ()
1112 PROTOTYPE:
1113 CODE: 2065 CODE:
1114 RETVAL = eio_nready (); 2066 RETVAL = eio_nready ();
1115 OUTPUT: 2067 OUTPUT:
1116 RETVAL 2068 RETVAL
1117 2069
1118int 2070int
1119npending() 2071npending ()
1120 PROTOTYPE:
1121 CODE: 2072 CODE:
1122 RETVAL = eio_npending (); 2073 RETVAL = eio_npending ();
1123 OUTPUT: 2074 OUTPUT:
1124 RETVAL 2075 RETVAL
1125 2076
1126int 2077int
1127nthreads() 2078nthreads ()
1128 PROTOTYPE:
1129 CODE: 2079 CODE:
1130 RETVAL = eio_nthreads (); 2080 RETVAL = eio_nthreads ();
1131 OUTPUT: 2081 OUTPUT:
1132 RETVAL 2082 RETVAL
1133 2083
1134int 2084int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2085fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 2086 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 2087 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 2088 OUTPUT:
1144 RETVAL 2089 RETVAL
1145 2090
1146ssize_t 2091IV
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2092sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 2093 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 2094 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2095 OUTPUT:
2096 RETVAL
2097
2098void
2099mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2100 PPCODE:
2101 sv_clear_foreign (scalar);
2102{
2103 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2104 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2105 if (addr == (void *)-1)
2106 XSRETURN_NO;
2107
2108 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2109
2110 if (!(prot & PROT_WRITE))
2111 SvREADONLY_on (scalar);
2112
2113 XSRETURN_YES;
2114}
2115
2116void
2117munmap (SV *scalar)
2118 CODE:
2119 sv_clear_foreign (scalar);
2120
2121SV *
2122mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2123 CODE:
2124{
2125 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2126 void *new;
2127
2128 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2129 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2130
2131 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2132
2133 RETVAL = &PL_sv_no;
2134
2135 if (new != (void *)-1)
2136 {
2137 RETVAL = new == (void *)mg->mg_ptr
2138 ? newSVpvn ("0 but true", 10)
2139 : &PL_sv_yes;
2140
2141 mg->mg_ptr = (char *)new;
2142 mg->mg_obj = (SV *)new_length;
2143
2144 SvPVX (scalar) = mg->mg_ptr;
2145 SvCUR_set (scalar, new_length);
2146 }
2147}
2148 OUTPUT:
2149 RETVAL
2150
2151int
2152madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2153 ALIAS:
2154 mprotect = 1
2155 CODE:
2156{
2157 STRLEN svlen;
2158 void *addr = SvPVbyte (scalar, svlen);
2159 STRLEN len = SvUV (length);
2160
2161 if (offset < 0)
2162 offset += svlen;
2163
2164 if (offset < 0 || offset > svlen)
2165 croak ("offset outside of scalar");
2166
2167 if (!SvOK (length) || len + offset > svlen)
2168 len = svlen - offset;
2169
2170 addr = (void *)(((intptr_t)addr) + offset);
2171 eio_page_align (&addr, &len);
2172
2173 switch (ix)
2174 {
2175 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2176 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2177 }
2178}
2179 OUTPUT:
2180 RETVAL
2181
2182int
2183munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2184 CODE:
2185{
2186 STRLEN svlen;
2187 void *addr = SvPVbyte (scalar, svlen);
2188 size_t len = SvUV (length);
2189
2190 if (offset < 0)
2191 offset += svlen;
2192
2193 if (offset < 0 || offset > svlen)
2194 croak ("offset outside of scalar");
2195
2196 if (!SvOK (length) || len + offset > svlen)
2197 len = svlen - offset;
2198
2199 addr = (void *)(((intptr_t)addr) + offset);
2200 eio_page_align (&addr, &len);
2201#if _POSIX_MEMLOCK_RANGE
2202 RETVAL = munlock (addr, len);
2203#else
2204 RETVAL = EIO_ENOSYS ();
2205#endif
2206}
2207 OUTPUT:
2208 RETVAL
2209
2210int
2211munlockall ()
2212 CODE:
2213#if _POSIX_MEMLOCK
2214 munlockall ();
2215#else
2216 RETVAL = EIO_ENOSYS ();
2217#endif
2218 OUTPUT:
2219 RETVAL
2220
2221int
2222splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2223 CODE:
2224{
2225#if HAVE_LINUX_SPLICE
2226 loff_t off_in_, off_out_;
2227 RETVAL = splice (
2228 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2229 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2230 length, flags
2231 );
2232#else
2233 RETVAL = EIO_ENOSYS ();
2234#endif
2235}
2236 OUTPUT:
2237 RETVAL
2238
2239int
2240tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2241 CODE:
2242#if HAVE_LINUX_SPLICE
2243 RETVAL = tee (rfh, wfh, length, flags);
2244#else
2245 RETVAL = EIO_ENOSYS ();
2246#endif
2247 OUTPUT:
2248 RETVAL
2249
2250int
2251pipesize (aio_rfd rfh, int new_size = -1)
2252 PROTOTYPE: $;$
2253 CODE:
2254#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2255 if (new_size >= 0)
2256 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2257 else
2258 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2259#else
2260 errno = ENOSYS;
2261 RETVAL = -1;
2262#endif
2263 OUTPUT:
2264 RETVAL
2265
2266void
2267pipe2 (int flags = 0)
2268 PROTOTYPE: ;$
2269 PPCODE:
2270{
2271 int fd[2];
2272 int res;
2273
2274 if (flags)
2275#if HAVE_PIPE2
2276 res = pipe2 (fd, flags);
2277#else
2278 res = (errno = ENOSYS, -1);
2279#endif
2280 else
2281 res = pipe (fd);
2282
2283 if (!res)
2284 {
2285 EXTEND (SP, 2);
2286 PUSHs (newmortalFH (fd[0], O_RDONLY));
2287 PUSHs (newmortalFH (fd[1], O_WRONLY));
2288 }
2289}
2290
2291void
2292eventfd (unsigned int initval = 0, int flags = 0)
2293 PPCODE:
2294{
2295 int fd;
2296#if HAVE_EVENTFD
2297 fd = eventfd (initval, flags);
2298#else
2299 fd = (errno = ENOSYS, -1);
2300#endif
2301
2302 XPUSHs (newmortalFH (fd, O_RDWR));
2303}
2304
2305void
2306timerfd_create (int clockid, int flags = 0)
2307 PPCODE:
2308{
2309 int fd;
2310#if HAVE_TIMERFD
2311 fd = timerfd_create (clockid, flags);
2312#else
2313 fd = (errno = ENOSYS, -1);
2314#endif
2315
2316 XPUSHs (newmortalFH (fd, O_RDWR));
2317}
2318
2319void
2320timerfd_settime (SV *fh, int flags, NV interval, NV value)
2321 PPCODE:
2322{
2323 int fd = s_fileno_croak (fh, 0);
2324#if HAVE_TIMERFD
2325 int res;
2326 struct itimerspec its, ots;
2327
2328 ts_set (&its.it_interval, interval);
2329 ts_set (&its.it_value , value);
2330 res = timerfd_settime (fd, flags, &its, &ots);
2331
2332 if (!res)
2333 {
2334 EXTEND (SP, 2);
2335 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2336 PUSHs (newSVnv (ts_get (&ots.it_value)));
2337 }
2338#else
2339 errno = ENOSYS;
2340#endif
2341}
2342
2343void
2344timerfd_gettime (SV *fh)
2345 PPCODE:
2346{
2347 int fd = s_fileno_croak (fh, 0);
2348#if HAVE_TIMERFD
2349 int res;
2350 struct itimerspec ots;
2351 res = timerfd_gettime (fd, &ots);
2352
2353 if (!res)
2354 {
2355 EXTEND (SP, 2);
2356 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2357 PUSHs (newSVnv (ts_get (&ots.it_value)));
2358 }
2359#else
2360 errno = ENOSYS;
2361#endif
2362}
2363
2364UV
2365get_fdlimit ()
2366 CODE:
2367#if HAVE_RLIMITS
2368 struct rlimit rl;
2369 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2370 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2371#endif
2372 XSRETURN_UNDEF;
2373 OUTPUT:
2374 RETVAL
2375
2376void
2377min_fdlimit (UV limit = 0x7fffffffU)
2378 CODE:
2379{
2380#if HAVE_RLIMITS
2381 struct rlimit rl;
2382 rlim_t orig_rlim_max;
2383 UV bit;
2384
2385 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2386 goto fail;
2387
2388 if (rl.rlim_cur == RLIM_INFINITY)
2389 XSRETURN_YES;
2390
2391 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2392
2393 if (rl.rlim_cur < limit)
2394 {
2395 rl.rlim_cur = limit;
2396
2397 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2398 rl.rlim_max = rl.rlim_cur;
2399 }
2400
2401 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2402 XSRETURN_YES;
2403
2404 if (errno == EPERM)
2405 {
2406 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2407 /* our limit overflows a system-wide limit */
2408 /* try an adaptive algorithm, but do not lower the hardlimit */
2409 rl.rlim_max = 0;
2410 for (bit = 0x40000000U; bit; bit >>= 1)
2411 {
2412 rl.rlim_max |= bit;
2413 rl.rlim_cur = rl.rlim_max;
2414
2415 /* nevr decrease the hard limit */
2416 if (rl.rlim_max < orig_rlim_max)
2417 break;
2418
2419 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2420 rl.rlim_max &= ~bit; /* too high, remove bit again */
2421 }
2422
2423 /* now, raise the soft limit to the max permitted */
2424 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2425 {
2426 rl.rlim_cur = rl.rlim_max;
2427 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2428 errno = EPERM;
2429 }
2430 }
2431#endif
2432 fail:
2433 XSRETURN_UNDEF;
2434}
1151 2435
1152void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1153 CODE: 2437 CODE:
1154 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1156 2440
1157PROTOTYPES: DISABLE 2441PROTOTYPES: DISABLE
1158 2442
2443MODULE = IO::AIO PACKAGE = IO::AIO::WD
2444
2445BOOT:
2446{
2447 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2448 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2449}
2450
2451void
2452DESTROY (SV *self)
2453 CODE:
2454{
2455 aio_wd wd = SvAIO_WD (self);
2456#if HAVE_AT
2457 {
2458 SV *callback = &PL_sv_undef;
2459 dREQ; /* clobbers next_pri :/ */
2460 next_pri = req->pri; /* restore next_pri */
2461 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2462 req->type = EIO_WD_CLOSE;
2463 req->wd = wd;
2464 REQ_SEND;
2465 }
2466#else
2467 eio_wd_close_sync (wd);
2468#endif
2469}
2470
1159MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2471MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1160 2472
1161void 2473void
1162cancel (aio_req_ornot req) 2474cancel (aio_req_ornot req)
1163 CODE: 2475 CODE:
1164 eio_cancel (req); 2476 eio_cancel (req);
1165 2477
1166void 2478void
1167cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2479cb (aio_req_ornot req, SV *callback = NO_INIT)
1168 PPCODE: 2480 PPCODE:
1169{ 2481{
1170 if (GIMME_V != G_VOID) 2482 if (GIMME_V != G_VOID)
1171 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2483 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1172 2484
1173 if (items > 1) 2485 if (items > 1)
1174 { 2486 {
1175 SV *cb_cv =get_cb (callback); 2487 SV *cb_cv = get_cb (callback);
1176 2488
1177 SvREFCNT_dec (req->callback); 2489 SvREFCNT_dec (req->callback);
1178 req->callback = SvREFCNT_inc (cb_cv); 2490 req->callback = SvREFCNT_inc (cb_cv);
1179 } 2491 }
1180} 2492}
… …
1237limit (aio_req grp, int limit) 2549limit (aio_req grp, int limit)
1238 CODE: 2550 CODE:
1239 eio_grp_limit (grp, limit); 2551 eio_grp_limit (grp, limit);
1240 2552
1241void 2553void
1242feed (aio_req grp, SV *callback=&PL_sv_undef) 2554feed (aio_req grp, SV *callback = &PL_sv_undef)
1243 CODE: 2555 CODE:
1244{ 2556{
1245 SvREFCNT_dec (grp->sv2); 2557 SvREFCNT_dec (grp->sv2);
1246 grp->sv2 = newSVsv (callback); 2558 grp->sv2 = newSVsv (callback);
1247 grp->feed = aio_grp_feed; 2559 grp->feed = aio_grp_feed;

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