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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.262 by root, Sun Aug 12 05:21:35 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 VAL64 IV
81# define SvVAL64 SvIV
82# define newSVval64 newSViv
83#else 87#else
84# define VAL64 NV 88
85# define SvVAL64 SvNV 89 #include <sys/time.h>
86# 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
87#endif 97#endif
88 98
89/*****************************************************************************/ 99/*****************************************************************************/
90 100
91#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
99 109
100/*****************************************************************************/ 110/*****************************************************************************/
101 111
102static 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
103typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
106 146
107#define AIO_REQ_KLASS "IO::AIO::REQ" 147static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 148
110#define EIO_REQ_MEMBERS \ 149#define EIO_REQ_MEMBERS \
111 SV *callback; \ 150 SV *callback; \
112 SV *sv1, *sv2; \ 151 SV *sv1, *sv2; \
152 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 153 STRLEN stroffset; \
114 SV *self; 154 SV *self;
115 155
116#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
117 157
118#include "libeio/eio.h" 158#include "libeio/eio.h"
119
120#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0
127#endif
128
129#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0
131#endif
132
133#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0
135#endif
136
137#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0
139#endif
140
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 159
145static int req_invoke (eio_req *req); 160static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 161#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 162static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 163#define EIO_DESTROY(req) req_destroy (req)
149 164
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
150enum { 398enum {
151 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 399 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152}; 400};
153 401
154#include "libeio/eio.c"
155
156typedef eio_req *aio_req; 402typedef eio_req *aio_req;
157typedef eio_req *aio_req_ornot; 403typedef eio_req *aio_req_ornot;
404typedef eio_wd aio_wd;
158 405
159static SV *on_next_submit; 406static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 407static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 408static int max_outstanding;
162 409
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 410static s_epipe respipe;
164 411
165static void req_destroy (aio_req req); 412static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 413static void req_cancel (aio_req req);
167 414
168static void want_poll (void) 415static void
416want_poll (void)
169{ 417{
170 /* write a dummy byte to the pipe so fh becomes ready */ 418 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 419 s_epipe_signal (&respipe);
172} 420}
173 421
174static void done_poll (void) 422static void
423done_poll (void)
175{ 424{
176 /* read any signals sent by the worker threads */ 425 /* read any signals sent by the worker threads */
177 char buf [4]; 426 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 427}
181 428
182/* must be called at most once */ 429/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 430static SV *
431req_sv (aio_req req, HV *stash)
184{ 432{
185 if (!req->self) 433 if (!req->self)
186 { 434 {
187 req->self = (SV *)newHV (); 435 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 436 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 437 }
190 438
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 439 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 440}
193 441
194static 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)
195{ 450{
196 MAGIC *mg; 451 MAGIC *mg;
197 452
198 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")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 458 croak ("object of class IO::AIO::REQ expected");
200 459
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 460 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 461
203 return mg ? (aio_req)mg->mg_ptr : 0; 462 return mg ? (aio_req)mg->mg_ptr : 0;
204} 463}
205 464
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
206static void aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
207{ 503{
208 if (grp->sv2 && SvOK (grp->sv2)) 504 if (grp->sv2 && SvOK (grp->sv2))
209 { 505 {
210 dSP; 506 dSP;
211 507
212 ENTER; 508 ENTER;
213 SAVETMPS; 509 SAVETMPS;
214 PUSHMARK (SP); 510 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 511 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 512 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 513 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 514 SPAGAIN;
219 FREETMPS; 515 FREETMPS;
220 LEAVE; 516 LEAVE;
221 } 517 }
222} 518}
223 519
520static void
224static void req_submit (eio_req *req) 521req_submit (eio_req *req)
225{ 522{
226 eio_submit (req); 523 eio_submit (req);
227 524
228 if (expect_false (on_next_submit)) 525 if (expect_false (on_next_submit))
229 { 526 {
… …
236 PUTBACK; 533 PUTBACK;
237 call_sv (cb, G_DISCARD | G_EVAL); 534 call_sv (cb, G_DISCARD | G_EVAL);
238 } 535 }
239} 536}
240 537
538static int
241static int req_invoke (eio_req *req) 539req_invoke (eio_req *req)
242{ 540{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 541 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 542 SvREADONLY_off (req->sv2);
247 543
248 if (!EIO_CANCELLED (req) && req->callback) 544 if (!EIO_CANCELLED (req) && req->callback)
249 { 545 {
546 dSP;
547 static SV *sv_result_cache; /* caches the result integer SV */
548 SV *sv_result;
549
250 ENTER; 550 ENTER;
251 SAVETMPS; 551 SAVETMPS;
252 PUSHMARK (SP); 552 PUSHMARK (SP);
253 EXTEND (SP, 1); 553 EXTEND (SP, 1);
254 554
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
255 switch (req->type) 568 switch (req->type)
256 { 569 {
570 case EIO_WD_OPEN:
571 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
572 break;
573
257 case EIO_READDIR: 574 case EIO_READDIR:
258 { 575 {
259 SV *rv = &PL_sv_undef; 576 SV *rv = &PL_sv_undef;
260 577
261 if (req->result >= 0) 578 if (req->result >= 0)
… …
314 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))));
315 } 632 }
316 break; 633 break;
317 634
318 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:
319 { 641 {
320 /* convert fd to fh */
321 SV *fh = &PL_sv_undef; 642 SV *rv = &PL_sv_undef;
322 643
644#ifndef _WIN32
323 if (req->result >= 0) 645 if (req->result >= 0)
324 { 646 {
647 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
325 GV *gv = (GV *)sv_newmortal (); 648 HV *hv = newHV ();
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 649 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
327 char sym [64]; 650 * chooses to make it a struct.
328 int symlen;
329 651 */
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 652 unsigned long fsid = 0;
331 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));
332 654
333 symlen = snprintf ( 655 rv = sv_2mortal (newRV_noinc ((SV *)hv));
334 sym,
335 sizeof (sym),
336 "%s&=%d",
337 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
338 (int)req->result
339 );
340 656
341 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 657 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
342 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);
343 } 668 }
669#endif
344 670
345 PUSHs (fh); 671 PUSHs (rv);
346 } 672 }
673
347 break; 674 break;
348 675
349 case EIO_GROUP: 676 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 677 req->int1 = 2; /* mark group as finished */
351 678
… …
363 case EIO_NOP: 690 case EIO_NOP:
364 case EIO_BUSY: 691 case EIO_BUSY:
365 break; 692 break;
366 693
367 case EIO_READLINK: 694 case EIO_READLINK:
695 case EIO_REALPATH:
368 if (req->result > 0) 696 if (req->result > 0)
369 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 697 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370 break; 698 break;
371 699
372 case EIO_STAT: 700 case EIO_STAT:
373 case EIO_LSTAT: 701 case EIO_LSTAT:
374 case EIO_FSTAT: 702 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 703 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
704
376 PL_laststatval = req->result; 705 if (!(PL_laststatval = req->result))
706 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 707 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 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)));
379 break; 714 break;
380 715
381 case EIO_READ: 716 case EIO_READ:
382 { 717 {
383 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));
384 *SvEND (req->sv2) = 0; 719 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 720 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 722 PUSHs (sv_result);
388 } 723 }
389 break; 724 break;
390 725
391 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 */
392 if (req->result > 0) 791 if (req->result > 0)
393 req->result = 0; 792 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 793 /* FALLTHROUGH */
395 794
396 default: 795 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 796 PUSHs (sv_result);
398 break; 797 break;
399 } 798 }
400 799
401 errno = req->errorno; 800 errno = req->errorno;
402 801
403 PUTBACK; 802 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 803 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 804 SPAGAIN;
406 805
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
407 FREETMPS; 811 FREETMPS;
408 LEAVE; 812 LEAVE;
409 813
410 PUTBACK; 814 PUTBACK;
411 } 815 }
412 816
413 return !!SvTRUE (ERRSV); 817 return !!SvTRUE (ERRSV);
414} 818}
415 819
820static void
416static void req_destroy (aio_req req) 821req_destroy (aio_req req)
417{ 822{
418 if (req->self) 823 if (req->self)
419 { 824 {
420 sv_unmagic (req->self, PERL_MAGIC_ext); 825 sv_unmagic (req->self, PERL_MAGIC_ext);
421 SvREFCNT_dec (req->self); 826 SvREFCNT_dec (req->self);
422 } 827 }
423 828
424 SvREFCNT_dec (req->sv1); 829 SvREFCNT_dec (req->sv1);
425 SvREFCNT_dec (req->sv2); 830 SvREFCNT_dec (req->sv2);
831 SvREFCNT_dec (req->sv3);
832 SvREFCNT_dec (req->sv4);
426 SvREFCNT_dec (req->callback); 833 SvREFCNT_dec (req->callback);
427 834
428 Safefree (req); 835 free (req);
429} 836}
430 837
838static void
431static void req_cancel_subs (aio_req grp) 839req_cancel_subs (aio_req grp)
432{ 840{
433 aio_req sub;
434
435 if (grp->type != EIO_GROUP) 841 if (grp->type != EIO_GROUP)
436 return; 842 return;
437 843
438 SvREFCNT_dec (grp->sv2); 844 SvREFCNT_dec (grp->sv2);
439 grp->sv2 = 0; 845 grp->sv2 = 0;
440 846
441 eio_grp_cancel (grp); 847 eio_grp_cancel (grp);
442} 848}
443 849
444#ifdef USE_SOCKETS_AS_HANDLES 850static void ecb_cold
445# define TO_SOCKET(x) (win32_get_osfhandle (x)) 851create_respipe (void)
446#else 852{
447# define TO_SOCKET(x) (x) 853 if (s_epipe_renew (&respipe))
448#endif 854 croak ("IO::AIO: unable to initialize result pipe");
855}
449 856
450static void 857static void
451create_respipe (void) 858poll_wait (void)
452{ 859{
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458#ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460#else
461 if (pipe (respipe))
462#endif
463 croak ("unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474#ifdef _WIN32
475 int arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478#else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481#endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486}
487
488static void poll_wait (void)
489{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 860 while (eio_nreqs ())
493 { 861 {
494 int size; 862 int size;
495 863
496 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
497 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
498 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
499 867
500 if (size) 868 if (size)
501 return; 869 return;
502 870
503 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
504 872
505 FD_ZERO (&rfd); 873 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 874 }
510} 875}
511 876
512static int poll_cb (void) 877static int
878poll_cb (void)
513{ 879{
514 for (;;) 880 for (;;)
515 { 881 {
516 int res = eio_poll (); 882 int res = eio_poll ();
517 883
… …
523 889
524 poll_wait (); 890 poll_wait ();
525 } 891 }
526} 892}
527 893
528static void atfork_child (void) 894static void ecb_cold
895reinit (void)
529{ 896{
530 create_respipe (); 897 create_respipe ();
898
899 if (eio_init (want_poll, done_poll) < 0)
900 croak ("IO::AIO: unable to initialise eio library");
531} 901}
902
903/*****************************************************************************/
532 904
533static SV * 905static SV *
534get_cb (SV *cb_sv) 906get_cb (SV *cb_sv)
535{ 907{
536 HV *st; 908 SvGETMAGIC (cb_sv);
537 GV *gvp; 909 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
910}
911
912static aio_req ecb_noinline
913dreq (SV *callback)
914{
538 CV *cv; 915 SV *cb_cv;
916 aio_req req;
917 int req_pri = next_pri;
918 next_pri = EIO_PRI_DEFAULT;
539 919
540 if (!SvOK (cb_sv)) 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
541 return 0; 929 return req;
542
543 cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545 if (!cv)
546 croak ("IO::AIO callback must be undef or a CODE reference");
547
548 return (SV *)cv;
549} 930}
550 931
551#define dREQ \ 932#define dREQ \
552 SV *cb_cv; \ 933 aio_req req = dreq (callback); \
553 aio_req req; \
554 int req_pri = next_pri; \
555 next_pri = EIO_PRI_DEFAULT; \
556 \
557 cb_cv = get_cb (callback); \
558 \
559 Newz (0, req, 1, eio_req); \
560 if (!req) \
561 croak ("out of memory during eio_req allocation"); \
562 \
563 req->callback = SvREFCNT_inc (cb_cv); \
564 req->pri = req_pri
565 934
566#define REQ_SEND \ 935#define REQ_SEND \
567 PUTBACK; \ 936 PUTBACK; \
568 req_submit (req); \ 937 req_submit (req); \
569 SPAGAIN; \ 938 SPAGAIN; \
570 \ 939 \
571 if (GIMME_V != G_VOID) \ 940 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 941 XPUSHs (req_sv (req, aio_req_stash));
573 942
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
574static int 1009static void
575extract_fd (SV *fh, int wr) 1010ts_set (struct timespec *ts, NV value)
576{ 1011{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1012 ts->tv_sec = value;
578 1013 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
579 if (fd < 0)
580 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
581
582 return fd;
583} 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;
584 1025
585MODULE = IO::AIO PACKAGE = IO::AIO 1026MODULE = IO::AIO PACKAGE = IO::AIO
586 1027
587PROTOTYPES: ENABLE 1028PROTOTYPES: ENABLE
588 1029
… …
590{ 1031{
591 static const struct { 1032 static const struct {
592 const char *name; 1033 const char *name;
593 IV iv; 1034 IV iv;
594 } *civ, const_iv[] = { 1035 } *civ, const_iv[] = {
595# 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 },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 1038# define const_eio(name) { # name, (IV) EIO_ ## name },
597 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 */
598 const_iv (ENOSYS , ENOSYS) 1042 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 1043 const_iv (EXDEV)
600 const_iv (O_WRONLY, O_WRONLY) 1044 const_iv (EBADR)
601 const_iv (O_CREAT , O_CREAT) 1045
602 const_iv (O_TRUNC , O_TRUNC) 1046 /* for lseek */
603#ifndef _WIN32 1047 const_iv (SEEK_DATA)
604 const_iv (S_IFIFO , S_IFIFO) 1048 const_iv (SEEK_HOLE)
605#endif 1049
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 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)
612 1253
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1254 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 1255 const_eio (SYNC_FILE_RANGE_WRITE)
615 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)
616 1268
617 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
618 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
619 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
620 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
… …
628 const_eio (DT_LNK) 1280 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 1281 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 1282 const_eio (DT_WHT)
631 }; 1283 };
632 1284
633 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);
634 1289
635 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--)
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1291 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
637 1292
638 create_respipe (); 1293 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
639 1294
640 if (eio_init (want_poll, done_poll) < 0) 1295 reinit ();
641 croak ("IO::AIO: unable to initialise eio library");
642
643 /* atfork child called in fifo order, so before eio's handler */
644 X_THREAD_ATFORK (0, 0, atfork_child);
645} 1296}
646 1297
647void 1298void
1299reinit ()
1300 PROTOTYPE:
1301
1302void
648max_poll_reqs (int nreqs) 1303max_poll_reqs (unsigned int nreqs)
649 PROTOTYPE: $ 1304 PROTOTYPE: $
650 CODE: 1305 CODE:
651 eio_set_max_poll_reqs (nreqs); 1306 eio_set_max_poll_reqs (nreqs);
652 1307
653void 1308void
… …
655 PROTOTYPE: $ 1310 PROTOTYPE: $
656 CODE: 1311 CODE:
657 eio_set_max_poll_time (nseconds); 1312 eio_set_max_poll_time (nseconds);
658 1313
659void 1314void
660min_parallel (int nthreads) 1315min_parallel (unsigned int nthreads)
661 PROTOTYPE: $ 1316 PROTOTYPE: $
662 CODE: 1317 CODE:
663 eio_set_min_parallel (nthreads); 1318 eio_set_min_parallel (nthreads);
664 1319
665void 1320void
666max_parallel (int nthreads) 1321max_parallel (unsigned int nthreads)
667 PROTOTYPE: $ 1322 PROTOTYPE: $
668 CODE: 1323 CODE:
669 eio_set_max_parallel (nthreads); 1324 eio_set_max_parallel (nthreads);
670 1325
671void 1326void
672max_idle (int nthreads) 1327max_idle (unsigned int nthreads)
673 PROTOTYPE: $ 1328 PROTOTYPE: $
674 CODE: 1329 CODE:
675 eio_set_max_idle (nthreads); 1330 eio_set_max_idle (nthreads);
676 1331
677void 1332void
1333idle_timeout (unsigned int seconds)
1334 PROTOTYPE: $
1335 CODE:
1336 eio_set_idle_timeout (seconds);
1337
1338void
678max_outstanding (int maxreqs) 1339max_outstanding (unsigned int maxreqs)
679 PROTOTYPE: $ 1340 PROTOTYPE: $
680 CODE: 1341 CODE:
681 max_outstanding = maxreqs; 1342 max_outstanding = maxreqs;
682 1343
683void 1344void
684aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1345aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1346 PPCODE:
687{ 1347{
688 dREQ; 1348 dREQ;
689 1349
1350 req->type = EIO_WD_OPEN;
1351 req_set_path1 (req, pathname);
1352
1353 REQ_SEND;
1354}
1355
1356void
1357aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1358 PPCODE:
1359{
1360 dREQ;
1361
690 req->type = EIO_OPEN; 1362 req->type = EIO_OPEN;
691 req->sv1 = newSVsv (pathname); 1363 req_set_path1 (req, pathname);
692 req->ptr1 = SvPVbyte_nolen (req->sv1);
693 req->int1 = flags; 1364 req->int1 = flags;
694 req->int2 = mode; 1365 req->int2 = mode;
695 1366
696 REQ_SEND; 1367 REQ_SEND;
697} 1368}
698 1369
699void 1370void
700aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1371aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
701 PROTOTYPE: $;$
702 ALIAS: 1372 ALIAS:
703 aio_fsync = EIO_FSYNC 1373 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 1374 aio_fdatasync = EIO_FDATASYNC
1375 aio_syncfs = EIO_SYNCFS
705 PPCODE: 1376 PPCODE:
706{ 1377{
707 int fd = extract_fd (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
708 dREQ; 1379 dREQ;
709 1380
710 req->type = ix; 1381 req->type = ix;
711 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 1383 req->int1 = fd;
713 1384
714 REQ_SEND (req); 1385 REQ_SEND;
715} 1386}
716 1387
717void 1388void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1389aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
719 PROTOTYPE: $$$$;$
720 PPCODE: 1390 PPCODE:
721{ 1391{
722 int fd = extract_fd (fh, 0); 1392 int fd = s_fileno_croak (fh, 0);
723 dREQ; 1393 dREQ;
724 1394
725 req->type = EIO_SYNC_FILE_RANGE; 1395 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 1396 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 1397 req->int1 = fd;
728 req->offs = offset; 1398 req->offs = offset;
729 req->size = nbytes; 1399 req->size = nbytes;
730 req->int2 = flags; 1400 req->int2 = flags;
731 1401
732 REQ_SEND (req); 1402 REQ_SEND;
733} 1403}
734 1404
735void 1405void
736aio_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)
737 PROTOTYPE: $;$
738 PPCODE: 1407 PPCODE:
739{ 1408{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1409 int fd = s_fileno_croak (fh, 0);
741 int fd = extract_fd (fh, 0);
742 dREQ; 1410 dREQ;
743 1411
744 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))
745 { 1431 {
746 int pipefd [2]; 1432 int pipefd [2];
747 1433
1434 if (
1435#ifdef _WIN32
1436 _pipe (pipefd, 1, _O_BINARY) < 0
1437#else
748 if (pipe (pipefd) < 0 1438 pipe (pipefd) < 0
749 || close (pipefd [1]) < 0
750 || 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 )
751 abort (); /*D*/ 1443 abort (); /*D*/
752 1444
753 close_pipe = pipefd [0]; 1445 close_fd = pipefd [0];
754 } 1446 }
755 1447
756 req->type = EIO_DUP2; 1448 req->type = EIO_DUP2;
757 req->int1 = close_pipe; 1449 req->int1 = close_fd;
758 req->sv2 = newSVsv (fh); 1450 req->sv2 = newSVsv (fh);
759 req->int2 = fd; 1451 req->int2 = fd;
760 1452
761 REQ_SEND (req); 1453 REQ_SEND;
762} 1454}
763 1455
764void 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
765aio_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)
766 ALIAS: 1474 ALIAS:
767 aio_read = EIO_READ 1475 aio_read = EIO_READ
768 aio_write = EIO_WRITE 1476 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$
770 PPCODE: 1477 PPCODE:
771{ 1478{
772 STRLEN svlen; 1479 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 1480 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 1481 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 1482 UV len = SvUV (length);
776 1483
777 if (dataoffset < 0) 1484 if (dataoffset < 0)
778 dataoffset += svlen; 1485 dataoffset += svlen;
… …
787 len = svlen - dataoffset; 1494 len = svlen - dataoffset;
788 } 1495 }
789 else 1496 else
790 { 1497 {
791 /* read: check type and grow scalar as necessary */ 1498 /* read: check type and grow scalar as necessary */
792 SvUPGRADE (data, SVt_PV); 1499 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
793 svptr = SvGROW (data, len + dataoffset + 1); 1500 svptr = sv_grow (data, len + dataoffset + 1);
1501 else if (SvCUR (data) < len + dataoffset)
1502 croak ("length + dataoffset outside of scalar, and cannot grow");
794 } 1503 }
795 1504
796 { 1505 {
797 dREQ; 1506 dREQ;
798 1507
… …
814 REQ_SEND; 1523 REQ_SEND;
815 } 1524 }
816} 1525}
817 1526
818void 1527void
819aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
820 PROTOTYPE: $$;$ 1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
821 PPCODE: 1532 PPCODE:
822{ 1533{
823 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{
824 dREQ; 1574 dREQ;
825 1575
826 req->type = EIO_READLINK; 1576 req->type = ix;
827 req->sv1 = newSVsv (path); 1577 req_set_path1 (req, pathname);
828 req->ptr1 = SvPVbyte_nolen (req->sv1);
829 1578
830 REQ_SEND; 1579 REQ_SEND;
831} 1580}
832 1581
833void 1582void
834aio_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)
835 PROTOTYPE: $$$$;$
836 PPCODE: 1584 PPCODE:
837{ 1585{
838 int ifd = extract_fd (in_fh , 0); 1586 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 1587 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 1588 dREQ;
841 1589
842 req->type = EIO_SENDFILE; 1590 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 1591 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 1592 req->int1 = ofd;
… …
849 1597
850 REQ_SEND; 1598 REQ_SEND;
851} 1599}
852 1600
853void 1601void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1602aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
855 PROTOTYPE: $$$;$
856 PPCODE: 1603 PPCODE:
857{ 1604{
858 int fd = extract_fd (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
859 dREQ; 1606 dREQ;
860 1607
861 req->type = EIO_READAHEAD; 1608 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 1610 req->int1 = fd;
… …
866 1613
867 REQ_SEND; 1614 REQ_SEND;
868} 1615}
869 1616
870void 1617void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1618aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
872 ALIAS: 1619 ALIAS:
873 aio_stat = EIO_STAT 1620 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1621 aio_lstat = EIO_LSTAT
1622 aio_statvfs = EIO_STATVFS
875 PPCODE: 1623 PPCODE:
876{ 1624{
877 dREQ; 1625 dREQ;
878 1626
879 req->sv1 = newSVsv (fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
880
881 if (SvPOK (req->sv1))
882 {
883 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 }
886 else
887 {
888 req->type = EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 }
891 1628
892 REQ_SEND; 1629 REQ_SEND;
893} 1630}
894 1631
895void 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
896aio_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)
897 PPCODE: 1676 PPCODE:
898{ 1677{
899 dREQ; 1678 dREQ;
900 1679
901 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1680 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
902 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1681 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
903 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
904
905 if (SvPOK (req->sv1))
906 {
907 req->type = EIO_UTIME;
908 req->ptr1 = SvPVbyte_nolen (req->sv1);
909 }
910 else
911 {
912 req->type = EIO_FUTIME;
913 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
914 }
915 1683
916 REQ_SEND; 1684 REQ_SEND;
917} 1685}
918 1686
919void 1687void
920aio_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)
921 PPCODE: 1689 PPCODE:
922{ 1690{
923 dREQ; 1691 dREQ;
924 1692
925 req->sv1 = newSVsv (fh_or_path);
926 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1693 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
927 1694 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
928 if (SvPOK (req->sv1))
929 {
930 req->type = EIO_TRUNCATE;
931 req->ptr1 = SvPVbyte_nolen (req->sv1);
932 }
933 else
934 {
935 req->type = EIO_FTRUNCATE;
936 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
937 }
938 1695
939 REQ_SEND; 1696 REQ_SEND;
940} 1697}
941 1698
942void 1699void
943aio_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)
944 ALIAS:
945 aio_chmod = EIO_CHMOD
946 aio_mkdir = EIO_MKDIR
947 PPCODE: 1701 PPCODE:
948{ 1702{
949 dREQ; 1703 dREQ;
950 1704
951 req->int2 = mode; 1705 req->int2 = mode;
952 req->sv1 = newSVsv (fh_or_path); 1706 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
953
954 if (SvPOK (req->sv1))
955 {
956 req->type = ix;
957 req->ptr1 = SvPVbyte_nolen (req->sv1);
958 }
959 else
960 {
961 req->type = EIO_FCHMOD;
962 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
963 }
964 1707
965 REQ_SEND; 1708 REQ_SEND;
966} 1709}
967 1710
968void 1711void
969aio_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)
970 PPCODE: 1713 PPCODE:
971{ 1714{
972 dREQ; 1715 dREQ;
973 1716
974 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1717 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
975 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1718 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
976 req->sv1 = newSVsv (fh_or_path); 1719 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
977
978 if (SvPOK (req->sv1))
979 {
980 req->type = EIO_CHOWN;
981 req->ptr1 = SvPVbyte_nolen (req->sv1);
982 }
983 else
984 {
985 req->type = EIO_FCHOWN;
986 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
987 }
988 1720
989 REQ_SEND; 1721 REQ_SEND;
990} 1722}
991 1723
992void 1724void
993aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1725aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
994 PPCODE: 1726 PPCODE:
995{ 1727{
996 dREQ; 1728 dREQ;
997 1729
998 req->type = EIO_READDIR; 1730 req->type = EIO_READDIR;
999 req->sv1 = newSVsv (pathname);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1);
1001 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1731 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1002 1732
1003 if (flags & EIO_READDIR_DENTS) 1733 if (flags & EIO_READDIR_DENTS)
1004 req->int1 |= EIO_READDIR_CUSTOM2; 1734 req->int1 |= EIO_READDIR_CUSTOM2;
1005 1735
1736 req_set_path1 (req, pathname);
1737
1006 REQ_SEND; 1738 REQ_SEND;
1007} 1739}
1008 1740
1009void 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
1010aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1755aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1011 ALIAS: 1756 ALIAS:
1012 aio_unlink = EIO_UNLINK 1757 aio_unlink = EIO_UNLINK
1013 aio_rmdir = EIO_RMDIR 1758 aio_rmdir = EIO_RMDIR
1014 aio_readdir = EIO_READDIR 1759 aio_readdir = EIO_READDIR
1015 PPCODE: 1760 PPCODE:
1016{ 1761{
1017 dREQ; 1762 dREQ;
1018 1763
1019 req->type = ix; 1764 req->type = ix;
1020 req->sv1 = newSVsv (pathname); 1765 req_set_path1 (req, pathname);
1021 req->ptr1 = SvPVbyte_nolen (req->sv1);
1022 1766
1023 REQ_SEND; 1767 REQ_SEND;
1024} 1768}
1025 1769
1026void 1770void
1027aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1771aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1028 ALIAS: 1772 ALIAS:
1029 aio_link = EIO_LINK 1773 aio_link = EIO_LINK
1030 aio_symlink = EIO_SYMLINK 1774 aio_symlink = EIO_SYMLINK
1031 aio_rename = EIO_RENAME 1775 aio_rename = EIO_RENAME
1032 PPCODE: 1776 PPCODE:
1033{ 1777{
1778 eio_wd wd2 = 0;
1034 dREQ; 1779 dREQ;
1035 1780
1036 req->type = ix; 1781 req->type = ix;
1037 req->sv1 = newSVsv (oldpath); 1782 req_set_path1 (req, oldpath);
1038 req->ptr1 = SvPVbyte_nolen (req->sv1); 1783 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1039 req->sv2 = newSVsv (newpath); 1784 req->int3 = (long)wd2;
1040 req->ptr2 = SvPVbyte_nolen (req->sv2);
1041 1785
1042 REQ_SEND; 1786 REQ_SEND;
1043} 1787}
1044 1788
1045void 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
1046aio_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)
1047 PPCODE: 1807 PPCODE:
1048{ 1808{
1049 dREQ; 1809 dREQ;
1050 1810
1051 req->type = EIO_MKNOD; 1811 req->type = EIO_MKNOD;
1052 req->sv1 = newSVsv (pathname);
1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
1054 req->int2 = (mode_t)mode; 1812 req->int2 = (mode_t)mode;
1055 req->offs = dev; 1813 req->offs = dev;
1814 req_set_path1 (req, pathname);
1056 1815
1057 REQ_SEND; 1816 REQ_SEND;
1058} 1817}
1059 1818
1060void 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
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1062 PPCODE: 1959 PPCODE:
1063{ 1960{
1064 dREQ; 1961 dREQ;
1065 1962
1066 req->type = EIO_BUSY; 1963 req->type = EIO_BUSY;
… …
1068 1965
1069 REQ_SEND; 1966 REQ_SEND;
1070} 1967}
1071 1968
1072void 1969void
1073aio_group (SV *callback=&PL_sv_undef) 1970aio_group (SV *callback = &PL_sv_undef)
1074 PROTOTYPE: ;$
1075 PPCODE: 1971 PPCODE:
1076{ 1972{
1077 dREQ; 1973 dREQ;
1078 1974
1079 req->type = EIO_GROUP; 1975 req->type = EIO_GROUP;
1080 1976
1977 PUTBACK;
1081 req_submit (req); 1978 req_submit (req);
1979 SPAGAIN;
1980
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1981 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1982}
1084 1983
1085void 1984void
1086aio_nop (SV *callback=&PL_sv_undef) 1985aio_nop (SV *callback = &PL_sv_undef)
1087 ALIAS: 1986 ALIAS:
1088 aio_nop = EIO_NOP 1987 aio_nop = EIO_NOP
1089 aio_sync = EIO_SYNC 1988 aio_sync = EIO_SYNC
1090 PPCODE: 1989 PPCODE:
1091{ 1990{
… …
1095 1994
1096 REQ_SEND; 1995 REQ_SEND;
1097} 1996}
1098 1997
1099int 1998int
1100aioreq_pri (int pri = 0) 1999aioreq_pri (int pri = NO_INIT)
1101 PROTOTYPE: ;$
1102 CODE: 2000 CODE:
1103 RETVAL = next_pri; 2001 RETVAL = next_pri;
1104 if (items > 0) 2002 if (items > 0)
1105 { 2003 {
1106 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2004 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1118 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2016 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119 next_pri = nice; 2017 next_pri = nice;
1120 2018
1121void 2019void
1122flush () 2020flush ()
1123 PROTOTYPE:
1124 CODE: 2021 CODE:
1125 while (eio_nreqs ()) 2022 while (eio_nreqs ())
1126 { 2023 {
1127 poll_wait (); 2024 poll_wait ();
1128 poll_cb (); 2025 poll_cb ();
1129 } 2026 }
1130 2027
1131int 2028int
1132poll() 2029poll ()
1133 PROTOTYPE:
1134 CODE: 2030 CODE:
1135 poll_wait (); 2031 poll_wait ();
1136 RETVAL = poll_cb (); 2032 RETVAL = poll_cb ();
1137 OUTPUT: 2033 OUTPUT:
1138 RETVAL 2034 RETVAL
1139 2035
1140int 2036int
1141poll_fileno() 2037poll_fileno ()
1142 PROTOTYPE:
1143 CODE: 2038 CODE:
1144 RETVAL = respipe [0]; 2039 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 2040 OUTPUT:
1146 RETVAL 2041 RETVAL
1147 2042
1148int 2043int
1149poll_cb(...) 2044poll_cb (...)
1150 PROTOTYPE: 2045 PROTOTYPE:
1151 CODE: 2046 CODE:
1152 RETVAL = poll_cb (); 2047 RETVAL = poll_cb ();
1153 OUTPUT: 2048 OUTPUT:
1154 RETVAL 2049 RETVAL
1155 2050
1156void 2051void
1157poll_wait() 2052poll_wait ()
1158 PROTOTYPE:
1159 CODE: 2053 CODE:
1160 poll_wait (); 2054 poll_wait ();
1161 2055
1162int 2056int
1163nreqs() 2057nreqs ()
1164 PROTOTYPE:
1165 CODE: 2058 CODE:
1166 RETVAL = eio_nreqs (); 2059 RETVAL = eio_nreqs ();
1167 OUTPUT: 2060 OUTPUT:
1168 RETVAL 2061 RETVAL
1169 2062
1170int 2063int
1171nready() 2064nready ()
1172 PROTOTYPE:
1173 CODE: 2065 CODE:
1174 RETVAL = eio_nready (); 2066 RETVAL = eio_nready ();
1175 OUTPUT: 2067 OUTPUT:
1176 RETVAL 2068 RETVAL
1177 2069
1178int 2070int
1179npending() 2071npending ()
1180 PROTOTYPE:
1181 CODE: 2072 CODE:
1182 RETVAL = eio_npending (); 2073 RETVAL = eio_npending ();
1183 OUTPUT: 2074 OUTPUT:
1184 RETVAL 2075 RETVAL
1185 2076
1186int 2077int
1187nthreads() 2078nthreads ()
1188 PROTOTYPE:
1189 CODE: 2079 CODE:
1190 RETVAL = eio_nthreads (); 2080 RETVAL = eio_nthreads ();
1191 OUTPUT: 2081 OUTPUT:
1192 RETVAL 2082 RETVAL
1193 2083
1194int 2084int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2085fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$
1197 CODE: 2086 CODE:
1198#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 2087 RETVAL = posix_fadvise (fh, offset, length, advice);
1200#else
1201 RETVAL = errno = ENOSYS;
1202#endif
1203 OUTPUT: 2088 OUTPUT:
1204 RETVAL 2089 RETVAL
1205 2090
1206ssize_t 2091IV
1207sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2092sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208 PROTOTYPE: $$$$
1209 CODE: 2093 CODE:
1210 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}
1211 2435
1212void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1213 CODE: 2437 CODE:
1214 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1215 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1216 2440
1217PROTOTYPES: DISABLE 2441PROTOTYPES: DISABLE
1218 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
1219MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2471MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1220 2472
1221void 2473void
1222cancel (aio_req_ornot req) 2474cancel (aio_req_ornot req)
1223 CODE: 2475 CODE:
1224 eio_cancel (req); 2476 eio_cancel (req);
1225 2477
1226void 2478void
1227cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2479cb (aio_req_ornot req, SV *callback = NO_INIT)
1228 PPCODE: 2480 PPCODE:
1229{ 2481{
1230 if (GIMME_V != G_VOID) 2482 if (GIMME_V != G_VOID)
1231 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);
1232 2484
… …
1297limit (aio_req grp, int limit) 2549limit (aio_req grp, int limit)
1298 CODE: 2550 CODE:
1299 eio_grp_limit (grp, limit); 2551 eio_grp_limit (grp, limit);
1300 2552
1301void 2553void
1302feed (aio_req grp, SV *callback=&PL_sv_undef) 2554feed (aio_req grp, SV *callback = &PL_sv_undef)
1303 CODE: 2555 CODE:
1304{ 2556{
1305 SvREFCNT_dec (grp->sv2); 2557 SvREFCNT_dec (grp->sv2);
1306 grp->sv2 = newSVsv (callback); 2558 grp->sv2 = newSVsv (callback);
1307 grp->feed = aio_grp_feed; 2559 grp->feed = aio_grp_feed;

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