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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.149 by root, Tue Jun 30 07:33:58 2009 UTC vs.
Revision 1.265 by root, Tue Aug 14 11:50:43 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 HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
28
29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
30# include <sys/mman.h>
31#endif
32
33/* the incompetent fool that created musl keeps __linux__, refuses
34 * to implement any linux standard apis, and also has no way to test
35 * for his broken iplementation. don't complain to me if this fails
36 * for you.
37 */
38#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
39# include <linux/fs.h>
40# ifdef FS_IOC_FIEMAP
41# include <linux/types.h>
42# include <linux/fiemap.h>
43# define HAVE_FIEMAP 1
44# endif
45#endif
46
18/* perl namespace pollution */ 47/* perl namespace pollution */
19#undef VERSION 48#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 49
70/* perl stupidly overrides readdir and maybe others */ 50/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 51/* with thread-unsafe versions, imagine that :( */
72#undef readdir 52#undef readdir
73#undef opendir 53#undef opendir
74#undef closedir 54#undef closedir
75 55
56#ifdef _WIN32
57
58 // perl overrides all those nice libc functions
59
60 #undef malloc
61 #undef free
62 #undef open
63 #undef read
64 #undef write
65 #undef send
66 #undef recv
67 #undef stat
68 #undef lstat
69 #undef fstat
70 #undef truncate
71 #undef ftruncate
72 #undef open
73 #undef link
74 #undef close
75 #undef unlink
76 #undef mkdir
77 #undef rmdir
78 #undef rename
79 #undef lseek
80 #undef opendir
81 #undef readdir
82 #undef closedir
83 #undef chmod
84 #undef fchmod
85 #undef dup
86 #undef dup2
87 #undef abort
88 #undef pipe
89
90 #define EIO_STRUCT_STAT struct _stati64
76#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STATI64
77 92
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 93#else
84# define VAL64 NV 94
85# define SvVAL64 SvNV 95 #include <sys/time.h>
86# define newSVval64 newSVnv 96 #include <sys/select.h>
97 #include <unistd.h>
98 #include <utime.h>
99 #include <signal.h>
100
101 #define EIO_STRUCT_STAT Stat_t
102
87#endif 103#endif
88 104
89/*****************************************************************************/ 105/*****************************************************************************/
90 106
91#if __GNUC__ >= 3 107#if __GNUC__ >= 3
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 113#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 114#define expect_true(expr) expect ((expr) != 0, 1)
99 115
100/*****************************************************************************/ 116/*****************************************************************************/
101 117
102static HV *stash; 118#include "config.h"
119
120#if HAVE_ST_XTIMENSEC
121# define ATIMENSEC PL_statcache.st_atimensec
122# define MTIMENSEC PL_statcache.st_mtimensec
123# define CTIMENSEC PL_statcache.st_ctimensec
124#elif HAVE_ST_XTIMESPEC
125# define ATIMENSEC PL_statcache.st_atim.tv_nsec
126# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
127# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
128#else
129# define ATIMENSEC 0
130# define MTIMENSEC 0
131# define CTIMENSEC 0
132#endif
133
134#include "schmorp.h"
135
136#if HAVE_EVENTFD
137# include <sys/eventfd.h>
138#endif
139
140#if HAVE_TIMERFD
141# include <sys/timerfd.h>
142#endif
143
144#if HAVE_RLIMITS
145 #include <sys/time.h>
146 #include <sys/resource.h>
147#endif
148
103typedef SV SV8; /* byte-sv, used for argument-checking */ 149typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 150typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 151typedef int aio_wfd; /* write file descriptor */
106 152
107#define AIO_REQ_KLASS "IO::AIO::REQ" 153static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 154
110#define EIO_REQ_MEMBERS \ 155#define EIO_REQ_MEMBERS \
111 SV *callback; \ 156 SV *callback; \
112 SV *sv1, *sv2; \ 157 SV *sv1, *sv2; \
158 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 159 STRLEN stroffset; \
114 SV *self; 160 SV *self;
115 161
116#define EIO_NO_WRAPPERS 1 162#define EIO_NO_WRAPPERS 1
117 163
118#include "libeio/eio.h" 164#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
144 165
145static int req_invoke (eio_req *req); 166static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 167#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 168static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 169#define EIO_DESTROY(req) req_destroy (req)
149 170
171#include "libeio/eio.c"
172
173#if !HAVE_POSIX_FADVISE
174# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
175#endif
176
177#if !HAVE_POSIX_MADVISE
178# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
179#endif
180
181#ifndef MAP_ANONYMOUS
182# ifdef MAP_ANON
183# define MAP_ANONYMOUS MAP_ANON
184# else
185# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
186# endif
187#endif
188
189#ifndef makedev
190# define makedev(maj,min) (((maj) << 8) | (min))
191#endif
192#ifndef major
193# define major(dev) ((dev) >> 8)
194#endif
195#ifndef minor
196# define minor(dev) ((dev) & 0xff)
197#endif
198
199#if PAGESIZE <= 0
200# define PAGESIZE sysconf (_SC_PAGESIZE)
201#endif
202
203/*****************************************************************************/
204
205#if !_POSIX_MAPPED_FILES
206# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
207# define munmap(addr,length) EIO_ENOSYS ()
208#endif
209
210#if !_POSIX_MEMORY_PROTECTION
211# define mprotect(addr,len,prot) EIO_ENOSYS ()
212#endif
213
214#if !MREMAP_MAYMOVE
215# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
216#endif
217
218#define FOREIGN_MAGIC PERL_MAGIC_ext
219
220static int ecb_cold
221mmap_free (pTHX_ SV *sv, MAGIC *mg)
222{
223 int old_errno = errno;
224 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
225 errno = old_errno;
226
227 mg->mg_obj = 0; /* just in case */
228
229 SvREADONLY_off (sv);
230
231 if (SvPVX (sv) != mg->mg_ptr)
232 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
233
234 SvCUR_set (sv, 0);
235 SvPVX (sv) = 0;
236 SvOK_off (sv);
237
238 return 0;
239}
240
241static MGVTBL mmap_vtbl = {
242 0, 0, 0, 0, mmap_free
243};
244
245static int ecb_cold
246sysfree_free (pTHX_ SV *sv, MAGIC *mg)
247{
248 free (mg->mg_ptr);
249 mg->mg_obj = 0; /* just in case */
250
251 SvREADONLY_off (sv);
252
253 if (SvPVX (sv) != mg->mg_ptr)
254 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
255
256 SvCUR_set (sv, 0);
257 SvPVX (sv) = 0;
258 SvOK_off (sv);
259
260 return 0;
261}
262
263static MGVTBL sysfree_vtbl = {
264 0, 0, 0, 0, sysfree_free
265};
266
267/*****************************************************************************/
268
269/* helper: set scalar to foreign ptr with custom free */
270static void
271sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
272{
273 sv_force_normal (sv);
274
275 /* we store the length in mg_obj, as namlen is I32 :/ */
276 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
277 ->mg_obj = (SV *)length;
278
279 SvUPGRADE (sv, SVt_PV); /* nop... */
280
281 if (SvLEN (sv))
282 Safefree (SvPVX (sv));
283
284 SvPVX (sv) = (char *)addr;
285 SvCUR_set (sv, length);
286 SvLEN_set (sv, 0);
287 SvPOK_only (sv);
288}
289
290static void
291sv_clear_foreign (SV *sv)
292{
293 /* todo: iterate over magic and only free ours, but of course */
294 /* the perl5porters will call that (correct) behaviour buggy */
295 sv_unmagic (sv, FOREIGN_MAGIC);
296}
297
298/*****************************************************************************/
299
300/* defines all sorts of constants to 0 unless they are already defined */
301/* also provides const_iv_ and const_niv_ macros for them */
302#include "def0.h"
303
304/*****************************************************************************/
305
306static void
307fiemap (eio_req *req)
308{
309 req->result = -1;
310
311#if HAVE_FIEMAP
312 /* assume some c99 */
313 struct fiemap *fiemap = 0;
314 size_t end_offset;
315 int count = req->int3;
316
317 req->flags |= EIO_FLAG_PTR1_FREE;
318
319 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
320 /* increase in 3.5kb steps */
321 if (count < 0)
322 count = 8;
323
324 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
325 errno = ENOMEM;
326 if (!fiemap)
327 return;
328
329 req->ptr1 = fiemap;
330
331 fiemap->fm_start = req->offs;
332 fiemap->fm_length = req->size;
333 fiemap->fm_flags = req->int2;
334 fiemap->fm_extent_count = count;
335
336 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
337 return;
338
339 if (req->int3 >= 0 /* not autosizing */
340 || !fiemap->fm_mapped_extents /* no more extents */
341 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
342 goto done;
343
344 /* else we have to loop -
345 * it would be tempting (actually I tried that first) to just query the
346 * number of extents needed, but linux often feels like not returning all
347 * extents, without telling us it left any out. this complicates
348 * this quite a bit.
349 */
350
351 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
352
353 for (;;)
354 {
355 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
356 char scratch[3072];
357 struct fiemap *incmap = (struct fiemap *)scratch;
358
359 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
360 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
361 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
362 incmap->fm_flags = fiemap->fm_flags;
363 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
366 return;
367
368 if (!incmap->fm_mapped_extents)
369 goto done;
370
371 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
372 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
373 errno = ENOMEM;
374 if (!fiemap)
375 return;
376
377 req->ptr1 = fiemap;
378
379 for (count = 0; count < incmap->fm_mapped_extents; ++count)
380 {
381 struct fiemap_extent *e = incmap->fm_extents + count;
382
383 if (e->fe_logical + e->fe_length >= end_offset)
384 goto done;
385
386 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
387
388 if (e->fe_flags & FIEMAP_EXTENT_LAST)
389 goto done;
390
391 }
392 }
393
394done:
395 req->result = 0;
396
397#else
398 errno = ENOSYS;
399#endif
400}
401
402/*****************************************************************************/
403
150enum { 404enum {
151 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 405 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152}; 406};
153 407
154#include "libeio/eio.c"
155
156typedef eio_req *aio_req; 408typedef eio_req *aio_req;
157typedef eio_req *aio_req_ornot; 409typedef eio_req *aio_req_ornot;
410typedef eio_wd aio_wd;
158 411
159static SV *on_next_submit; 412static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 413static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 414static int max_outstanding;
162 415
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 416static s_epipe respipe;
164 417
165static void req_destroy (aio_req req); 418static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 419static void req_cancel (aio_req req);
167 420
168static void want_poll (void) 421static void
422want_poll (void)
169{ 423{
170 /* write a dummy byte to the pipe so fh becomes ready */ 424 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 425 s_epipe_signal (&respipe);
172} 426}
173 427
174static void done_poll (void) 428static void
429done_poll (void)
175{ 430{
176 /* read any signals sent by the worker threads */ 431 /* read any signals sent by the worker threads */
177 char buf [4]; 432 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 433}
181 434
182/* must be called at most once */ 435/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 436static SV *
437req_sv (aio_req req, HV *stash)
184{ 438{
185 if (!req->self) 439 if (!req->self)
186 { 440 {
187 req->self = (SV *)newHV (); 441 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 442 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 443 }
190 444
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 445 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 446}
193 447
194static aio_req SvAIO_REQ (SV *sv) 448static SV *
449newSVaio_wd (aio_wd wd)
450{
451 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
452}
453
454static aio_req
455SvAIO_REQ (SV *sv)
195{ 456{
196 MAGIC *mg; 457 MAGIC *mg;
197 458
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 459 if (!SvROK (sv)
460 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
461 || (SvSTASH (SvRV (sv)) != aio_grp_stash
462 && SvSTASH (SvRV (sv)) != aio_req_stash
463 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 464 croak ("object of class IO::AIO::REQ expected");
200 465
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 466 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 467
203 return mg ? (aio_req)mg->mg_ptr : 0; 468 return mg ? (aio_req)mg->mg_ptr : 0;
204} 469}
205 470
471static aio_wd
472SvAIO_WD (SV *sv)
473{
474 if (!SvROK (sv)
475 || SvTYPE (SvRV (sv)) != SVt_PVMG
476 || SvSTASH (SvRV (sv)) != aio_wd_stash)
477 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
478
479 return (aio_wd)(long)SvIVX (SvRV (sv));
480}
481
482static SV *
483newmortalFH (int fd, int flags)
484{
485 if (fd < 0)
486 return &PL_sv_undef;
487
488 GV *gv = (GV *)sv_newmortal ();
489 char sym[64];
490 int symlen;
491
492 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
493 gv_init (gv, aio_stash, sym, symlen, 0);
494
495 symlen = snprintf (
496 sym,
497 sizeof (sym),
498 "%s&=%d",
499 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
500 fd
501 );
502
503 return do_open (gv, sym, symlen, 0, 0, 0, 0)
504 ? (SV *)gv : &PL_sv_undef;
505}
506
507static void
206static void aio_grp_feed (aio_req grp) 508aio_grp_feed (aio_req grp)
207{ 509{
208 if (grp->sv2 && SvOK (grp->sv2)) 510 if (grp->sv2 && SvOK (grp->sv2))
209 { 511 {
210 dSP; 512 dSP;
211 513
212 ENTER; 514 ENTER;
213 SAVETMPS; 515 SAVETMPS;
214 PUSHMARK (SP); 516 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 517 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 518 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 519 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 520 SPAGAIN;
219 FREETMPS; 521 FREETMPS;
220 LEAVE; 522 LEAVE;
221 } 523 }
222} 524}
223 525
526static void
224static void req_submit (eio_req *req) 527req_submit (eio_req *req)
225{ 528{
226 eio_submit (req); 529 eio_submit (req);
227 530
228 if (expect_false (on_next_submit)) 531 if (expect_false (on_next_submit))
229 { 532 {
… …
236 PUTBACK; 539 PUTBACK;
237 call_sv (cb, G_DISCARD | G_EVAL); 540 call_sv (cb, G_DISCARD | G_EVAL);
238 } 541 }
239} 542}
240 543
544static int
241static int req_invoke (eio_req *req) 545req_invoke (eio_req *req)
242{ 546{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 547 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 548 SvREADONLY_off (req->sv2);
247 549
248 if (!EIO_CANCELLED (req) && req->callback) 550 if (!EIO_CANCELLED (req) && req->callback)
249 { 551 {
552 dSP;
553 static SV *sv_result_cache; /* caches the result integer SV */
554 SV *sv_result;
555
250 ENTER; 556 ENTER;
251 SAVETMPS; 557 SAVETMPS;
252 PUSHMARK (SP); 558 PUSHMARK (SP);
253 EXTEND (SP, 1); 559 EXTEND (SP, 1);
254 560
561 /* do not recreate the result IV from scratch each time */
562 if (expect_true (sv_result_cache))
563 {
564 sv_result = sv_result_cache; sv_result_cache = 0;
565 SvIV_set (sv_result, req->result);
566 SvIOK_only (sv_result);
567 }
568 else
569 {
570 sv_result = newSViv (req->result);
571 SvREADONLY_on (sv_result);
572 }
573
255 switch (req->type) 574 switch (req->type)
256 { 575 {
576 case EIO_WD_OPEN:
577 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
578 break;
579
257 case EIO_READDIR: 580 case EIO_READDIR:
258 { 581 {
259 SV *rv = &PL_sv_undef; 582 SV *rv = &PL_sv_undef;
260 583
261 if (req->result >= 0) 584 if (req->result >= 0)
… …
314 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 637 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
315 } 638 }
316 break; 639 break;
317 640
318 case EIO_OPEN: 641 case EIO_OPEN:
642 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
643 break;
644
645 case EIO_STATVFS:
646 case EIO_FSTATVFS:
319 { 647 {
320 /* convert fd to fh */
321 SV *fh = &PL_sv_undef; 648 SV *rv = &PL_sv_undef;
322 649
650#ifndef _WIN32
323 if (req->result >= 0) 651 if (req->result >= 0)
324 { 652 {
653 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
325 GV *gv = (GV *)sv_newmortal (); 654 HV *hv = newHV ();
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 655 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
327 char sym [64]; 656 * chooses to make it a struct.
328 int symlen;
329 657 */
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 658 unsigned long fsid = 0;
331 gv_init (gv, stash, sym, symlen, 0); 659 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
332 660
333 symlen = snprintf ( 661 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 );
340 662
341 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 663 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
342 fh = (SV *)gv; 664 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
665 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
666 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
667 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
668 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
669 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
670 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
671 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
672 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
673 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
343 } 674 }
675#endif
344 676
345 PUSHs (fh); 677 PUSHs (rv);
346 } 678 }
679
347 break; 680 break;
348 681
349 case EIO_GROUP: 682 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 683 req->int1 = 2; /* mark group as finished */
351 684
… …
363 case EIO_NOP: 696 case EIO_NOP:
364 case EIO_BUSY: 697 case EIO_BUSY:
365 break; 698 break;
366 699
367 case EIO_READLINK: 700 case EIO_READLINK:
701 case EIO_REALPATH:
368 if (req->result > 0) 702 if (req->result > 0)
369 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 703 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370 break; 704 break;
371 705
372 case EIO_STAT: 706 case EIO_STAT:
373 case EIO_LSTAT: 707 case EIO_LSTAT:
374 case EIO_FSTAT: 708 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 709 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
710
376 PL_laststatval = req->result; 711 if (!(PL_laststatval = req->result))
712 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 713 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 714
715 PUSHs (sv_result);
716 break;
717
718 case EIO_SEEK:
719 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
379 break; 720 break;
380 721
381 case EIO_READ: 722 case EIO_READ:
382 { 723 {
383 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 724 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384 *SvEND (req->sv2) = 0; 725 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 726 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 727 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 728 PUSHs (sv_result);
388 } 729 }
389 break; 730 break;
390 731
391 case EIO_DUP2: 732 case EIO_SLURP:
733 {
734 if (req->result >= 0)
735 {
736 /* if length was originally not known, we steal the malloc'ed memory */
737 if (req->flags & EIO_FLAG_PTR2_FREE)
738 {
739 req->flags &= ~EIO_FLAG_PTR2_FREE;
740 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
741 }
742 else
743 {
744 SvCUR_set (req->sv2, req->result);
745 *SvEND (req->sv2) = 0;
746 SvPOK_only (req->sv2);
747 }
748
749 SvSETMAGIC (req->sv2);
750 }
751
752 PUSHs (sv_result);
753 }
754 break;
755
756 case EIO_CUSTOM:
757 if (req->feed == fiemap)
758 {
759#if HAVE_FIEMAP
760 if (!req->result)
761 {
762 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
763
764 if (fiemap->fm_extent_count)
765 {
766 AV *av = newAV ();
767 int i;
768
769 while (fiemap->fm_mapped_extents)
770 {
771 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
772 AV *ext_av = newAV ();
773
774 av_store (ext_av, 3, newSVuv (extent->fe_flags));
775 av_store (ext_av, 2, newSVval64 (extent->fe_length));
776 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
777 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
778
779 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
780 }
781
782 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
783 }
784 else
785 {
786 SvIV_set (sv_result, fiemap->fm_mapped_extents);
787 PUSHs (sv_result);
788 }
789 }
790#endif
791 }
792 else
793 PUSHs (sv_result);
794 break;
795
796 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392 if (req->result > 0) 797 if (req->result > 0)
393 req->result = 0; 798 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 799 /* FALLTHROUGH */
395 800
396 default: 801 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 802 PUSHs (sv_result);
398 break; 803 break;
399 } 804 }
400 805
401 errno = req->errorno; 806 errno = req->errorno;
402 807
403 PUTBACK; 808 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 809 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 810 SPAGAIN;
406 811
812 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
813 SvREFCNT_dec (sv_result);
814 else
815 sv_result_cache = sv_result;
816
407 FREETMPS; 817 FREETMPS;
408 LEAVE; 818 LEAVE;
409 819
410 PUTBACK; 820 PUTBACK;
411 } 821 }
412 822
413 return !!SvTRUE (ERRSV); 823 return !!SvTRUE (ERRSV);
414} 824}
415 825
826static void
416static void req_destroy (aio_req req) 827req_destroy (aio_req req)
417{ 828{
418 if (req->self) 829 if (req->self)
419 { 830 {
420 sv_unmagic (req->self, PERL_MAGIC_ext); 831 sv_unmagic (req->self, PERL_MAGIC_ext);
421 SvREFCNT_dec (req->self); 832 SvREFCNT_dec (req->self);
422 } 833 }
423 834
424 SvREFCNT_dec (req->sv1); 835 SvREFCNT_dec (req->sv1);
425 SvREFCNT_dec (req->sv2); 836 SvREFCNT_dec (req->sv2);
837 SvREFCNT_dec (req->sv3);
838 SvREFCNT_dec (req->sv4);
426 SvREFCNT_dec (req->callback); 839 SvREFCNT_dec (req->callback);
427 840
428 Safefree (req); 841 free (req);
429} 842}
430 843
844static void
431static void req_cancel_subs (aio_req grp) 845req_cancel_subs (aio_req grp)
432{ 846{
433 aio_req sub;
434
435 if (grp->type != EIO_GROUP) 847 if (grp->type != EIO_GROUP)
436 return; 848 return;
437 849
438 SvREFCNT_dec (grp->sv2); 850 SvREFCNT_dec (grp->sv2);
439 grp->sv2 = 0; 851 grp->sv2 = 0;
440 852
441 eio_grp_cancel (grp); 853 eio_grp_cancel (grp);
442} 854}
443 855
444#ifdef USE_SOCKETS_AS_HANDLES 856static void ecb_cold
445# define TO_SOCKET(x) (win32_get_osfhandle (x)) 857create_respipe (void)
446#else 858{
447# define TO_SOCKET(x) (x) 859 if (s_epipe_renew (&respipe))
448#endif 860 croak ("IO::AIO: unable to initialize result pipe");
861}
449 862
450static void 863static void
451create_respipe (void) 864poll_wait (void)
452{ 865{
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 ()) 866 while (eio_nreqs ())
493 { 867 {
494 int size; 868 int size;
495 869
496 X_LOCK (reslock); 870 X_LOCK (EIO_POOL->reslock);
497 size = res_queue.size; 871 size = EIO_POOL->res_queue.size;
498 X_UNLOCK (reslock); 872 X_UNLOCK (EIO_POOL->reslock);
499 873
500 if (size) 874 if (size)
501 return; 875 return;
502 876
503 etp_maybe_start_thread (); 877 etp_maybe_start_thread (EIO_POOL);
504 878
505 FD_ZERO (&rfd); 879 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 880 }
510} 881}
511 882
512static int poll_cb (void) 883static int
884poll_cb (void)
513{ 885{
514 for (;;) 886 for (;;)
515 { 887 {
516 int res = eio_poll (); 888 int res = eio_poll ();
517 889
… …
523 895
524 poll_wait (); 896 poll_wait ();
525 } 897 }
526} 898}
527 899
528static void atfork_child (void) 900static void ecb_cold
901reinit (void)
529{ 902{
530 create_respipe (); 903 create_respipe ();
904
905 if (eio_init (want_poll, done_poll) < 0)
906 croak ("IO::AIO: unable to initialise eio library");
531} 907}
908
909/*****************************************************************************/
532 910
533static SV * 911static SV *
534get_cb (SV *cb_sv) 912get_cb (SV *cb_sv)
535{ 913{
536 HV *st; 914 SvGETMAGIC (cb_sv);
537 GV *gvp; 915 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
916}
917
918static aio_req ecb_noinline
919dreq (SV *callback)
920{
538 CV *cv; 921 SV *cb_cv;
922 aio_req req;
923 int req_pri = next_pri;
924 next_pri = EIO_PRI_DEFAULT;
539 925
540 if (!SvOK (cb_sv)) 926 cb_cv = get_cb (callback);
927
928 req = calloc (sizeof (*req), 1);
929 if (!req)
930 croak ("out of memory during eio_req allocation");
931
932 req->callback = SvREFCNT_inc (cb_cv);
933 req->pri = req_pri;
934
541 return 0; 935 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} 936}
550 937
551#define dREQ \ 938#define dREQ \
552 SV *cb_cv; \ 939 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
565 940
566#define REQ_SEND \ 941#define REQ_SEND \
567 PUTBACK; \ 942 PUTBACK; \
568 req_submit (req); \ 943 req_submit (req); \
569 SPAGAIN; \ 944 SPAGAIN; \
570 \ 945 \
571 if (GIMME_V != G_VOID) \ 946 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 947 XPUSHs (req_sv (req, aio_req_stash));
573 948
949ecb_inline void
950req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
951{
952 if (expect_false (SvROK (path)))
953 {
954 SV *rv = SvRV (path);
955 SV *wdob;
956
957 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
958 {
959 path = AvARRAY (rv)[1];
960 wdob = AvARRAY (rv)[0];
961
962 if (SvOK (wdob))
963 {
964 *wd = SvAIO_WD (wdob);
965 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
966 }
967 else
968 *wd = EIO_INVALID_WD;
969 }
970 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
971 {
972 *wd = (aio_wd)(long)SvIVX (rv);
973 *wdsv = SvREFCNT_inc_NN (rv);
974 *ptr = ".";
975 return; /* path set to "." */
976 }
977 else
978 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
979 }
980
981 *pathsv = newSVsv (path);
982 *ptr = SvPVbyte_nolen (*pathsv);
983}
984
985static void ecb_noinline
986req_set_path1 (aio_req req, SV *path)
987{
988 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
989}
990
991static void ecb_noinline
992req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
993{
994 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
995
996 switch (SvTYPE (rv))
997 {
998 case SVt_PVIO:
999 case SVt_PVLV:
1000 case SVt_PVGV:
1001 req->type = type_fh;
1002 req->sv1 = newSVsv (fh_or_path);
1003 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1004 break;
1005
1006 default:
1007 req->type = type_path;
1008 req_set_path1 (req, fh_or_path);
1009 break;
1010 }
1011}
1012
1013/*****************************************************************************/
1014
574static int 1015static void
575extract_fd (SV *fh, int wr) 1016ts_set (struct timespec *ts, NV value)
576{ 1017{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1018 ts->tv_sec = value;
578 1019 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} 1020}
1021
1022static NV
1023ts_get (const struct timespec *ts)
1024{
1025 return ts->tv_sec + ts->tv_nsec * 1e-9;
1026}
1027
1028/*****************************************************************************/
1029
1030XS(boot_IO__AIO) ecb_cold;
584 1031
585MODULE = IO::AIO PACKAGE = IO::AIO 1032MODULE = IO::AIO PACKAGE = IO::AIO
586 1033
587PROTOTYPES: ENABLE 1034PROTOTYPES: ENABLE
588 1035
… …
590{ 1037{
591 static const struct { 1038 static const struct {
592 const char *name; 1039 const char *name;
593 IV iv; 1040 IV iv;
594 } *civ, const_iv[] = { 1041 } *civ, const_iv[] = {
595# define const_iv(name, value) { # name, (IV) value }, 1042# define const_niv(name, value) { # name, (IV) value },
1043# define const_iv(name) { # name, (IV) name },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 1044# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 1045
1046 /* you have to re-run ./gendef0 after adding/removing any constants here */
1047 /* the first block can be undef if missing */
598 const_iv (ENOSYS , ENOSYS) 1048 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 1049 const_iv (EXDEV)
600 const_iv (O_WRONLY, O_WRONLY) 1050 const_iv (EBADR)
601 const_iv (O_CREAT , O_CREAT) 1051
602 const_iv (O_TRUNC , O_TRUNC) 1052 /* for lseek */
603#ifndef _WIN32 1053 const_iv (SEEK_DATA)
604 const_iv (S_IFIFO , S_IFIFO) 1054 const_iv (SEEK_HOLE)
605#endif 1055
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1056 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1057 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1058 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1059 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1060 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1061 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1062
1063 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1064 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1065 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1066 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1067 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1068
1069 /* the second block will be 0 when missing */
1070 const_iv (O_ACCMODE)
1071
1072 const_iv (O_RDONLY)
1073 const_iv (O_WRONLY)
1074 const_iv (O_RDWR)
1075 const_iv (O_CREAT)
1076 const_iv (O_TRUNC)
1077 const_iv (O_EXCL)
1078 const_iv (O_APPEND)
1079
1080 const_iv (O_ASYNC)
1081 const_iv (O_DIRECT)
1082 const_iv (O_NOATIME)
1083
1084 const_iv (O_CLOEXEC)
1085 const_iv (O_NOCTTY)
1086 const_iv (O_NOFOLLOW)
1087 const_iv (O_NONBLOCK)
1088 const_iv (O_EXEC)
1089 const_iv (O_SEARCH)
1090 const_iv (O_DIRECTORY)
1091 const_iv (O_DSYNC)
1092 const_iv (O_RSYNC)
1093 const_iv (O_SYNC)
1094 const_iv (O_PATH)
1095 const_iv (O_TMPFILE)
1096 const_iv (O_TTY_INIT)
1097
1098 const_iv (S_IFIFO)
1099 const_iv (S_IFCHR)
1100 const_iv (S_IFBLK)
1101 const_iv (S_IFLNK)
1102 const_iv (S_IFREG)
1103 const_iv (S_IFDIR)
1104 const_iv (S_IFWHT)
1105 const_iv (S_IFSOCK)
1106 const_iv (S_IFMT)
1107
1108 const_iv (ST_RDONLY)
1109 const_iv (ST_NOSUID)
1110 const_iv (ST_NODEV)
1111 const_iv (ST_NOEXEC)
1112 const_iv (ST_SYNCHRONOUS)
1113 const_iv (ST_MANDLOCK)
1114 const_iv (ST_WRITE)
1115 const_iv (ST_APPEND)
1116 const_iv (ST_IMMUTABLE)
1117 const_iv (ST_NOATIME)
1118 const_iv (ST_NODIRATIME)
1119 const_iv (ST_RELATIME)
1120
1121 const_iv (PROT_NONE)
1122 const_iv (PROT_EXEC)
1123 const_iv (PROT_READ)
1124 const_iv (PROT_WRITE)
1125
1126 const_iv (MAP_PRIVATE)
1127 const_iv (MAP_SHARED)
1128 const_iv (MAP_FIXED)
1129 const_iv (MAP_ANONYMOUS)
1130
1131 /* linuxish */
1132 const_iv (MAP_LOCKED)
1133 const_iv (MAP_NORESERVE)
1134 const_iv (MAP_POPULATE)
1135 const_iv (MAP_NONBLOCK)
1136 const_iv (MAP_GROWSDOWN)
1137 const_iv (MAP_32BIT)
1138 const_iv (MAP_HUGETLB)
1139 const_iv (MAP_STACK)
1140
1141 const_iv (MREMAP_MAYMOVE)
1142 const_iv (MREMAP_FIXED)
1143
1144 const_iv (F_DUPFD_CLOEXEC)
1145
1146 const_iv (MSG_CMSG_CLOEXEC)
1147 const_iv (SOCK_CLOEXEC)
1148
1149 const_iv (F_OFD_GETLK)
1150 const_iv (F_OFD_SETLK)
1151 const_iv (F_OFD_GETLKW)
1152
1153 const_iv (FIFREEZE)
1154 const_iv (FITHAW)
1155 const_iv (FITRIM)
1156 const_iv (FICLONE)
1157 const_iv (FICLONERANGE)
1158 const_iv (FIDEDUPERANGE)
1159
1160 const_iv (FS_IOC_GETFLAGS)
1161 const_iv (FS_IOC_SETFLAGS)
1162 const_iv (FS_IOC_GETVERSION)
1163 const_iv (FS_IOC_SETVERSION)
1164 const_iv (FS_IOC_FIEMAP)
1165 const_iv (FS_IOC_FSGETXATTR)
1166 const_iv (FS_IOC_FSSETXATTR)
1167 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1168 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1169 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1170
1171 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1172
1173 const_iv (FS_SECRM_FL)
1174 const_iv (FS_UNRM_FL)
1175 const_iv (FS_COMPR_FL)
1176 const_iv (FS_SYNC_FL)
1177 const_iv (FS_IMMUTABLE_FL)
1178 const_iv (FS_APPEND_FL)
1179 const_iv (FS_NODUMP_FL)
1180 const_iv (FS_NOATIME_FL)
1181 const_iv (FS_DIRTY_FL)
1182 const_iv (FS_COMPRBLK_FL)
1183 const_iv (FS_NOCOMP_FL)
1184 const_iv (FS_ENCRYPT_FL)
1185 const_iv (FS_BTREE_FL)
1186 const_iv (FS_INDEX_FL)
1187 const_iv (FS_JOURNAL_DATA_FL)
1188 const_iv (FS_NOTAIL_FL)
1189 const_iv (FS_DIRSYNC_FL)
1190 const_iv (FS_TOPDIR_FL)
1191 const_iv (FS_FL_USER_MODIFIABLE)
1192
1193 const_iv (FS_XFLAG_REALTIME)
1194 const_iv (FS_XFLAG_PREALLOC)
1195 const_iv (FS_XFLAG_IMMUTABLE)
1196 const_iv (FS_XFLAG_APPEND)
1197 const_iv (FS_XFLAG_SYNC)
1198 const_iv (FS_XFLAG_NOATIME)
1199 const_iv (FS_XFLAG_NODUMP)
1200 const_iv (FS_XFLAG_RTINHERIT)
1201 const_iv (FS_XFLAG_PROJINHERIT)
1202 const_iv (FS_XFLAG_NOSYMLINKS)
1203 const_iv (FS_XFLAG_EXTSIZE)
1204 const_iv (FS_XFLAG_EXTSZINHERIT)
1205 const_iv (FS_XFLAG_NODEFRAG)
1206 const_iv (FS_XFLAG_FILESTREAM)
1207 const_iv (FS_XFLAG_DAX)
1208 const_iv (FS_XFLAG_HASATTR)
1209
1210 const_iv (FIEMAP_FLAG_SYNC)
1211 const_iv (FIEMAP_FLAG_XATTR)
1212 const_iv (FIEMAP_FLAGS_COMPAT)
1213 const_iv (FIEMAP_EXTENT_LAST)
1214 const_iv (FIEMAP_EXTENT_UNKNOWN)
1215 const_iv (FIEMAP_EXTENT_DELALLOC)
1216 const_iv (FIEMAP_EXTENT_ENCODED)
1217 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1218 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1219 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1220 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1221 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1222 const_iv (FIEMAP_EXTENT_MERGED)
1223 const_iv (FIEMAP_EXTENT_SHARED)
1224
1225 const_iv (SPLICE_F_MOVE)
1226 const_iv (SPLICE_F_NONBLOCK)
1227 const_iv (SPLICE_F_MORE)
1228 const_iv (SPLICE_F_GIFT)
1229
1230 const_iv (EFD_CLOEXEC)
1231 const_iv (EFD_NONBLOCK)
1232 const_iv (EFD_SEMAPHORE)
1233
1234 const_iv (CLOCK_REALTIME)
1235 const_iv (CLOCK_MONOTONIC)
1236 const_iv (CLOCK_BOOTTIME)
1237 const_iv (CLOCK_REALTIME_ALARM)
1238 const_iv (CLOCK_BOOTTIME_ALARM)
1239
1240 const_iv (TFD_NONBLOCK)
1241 const_iv (TFD_CLOEXEC)
1242
1243 const_iv (TFD_TIMER_ABSTIME)
1244 const_iv (TFD_TIMER_CANCEL_ON_SET)
1245
1246 /* these are libeio constants, and are independent of gendef0 */
1247 const_eio (SEEK_SET)
1248 const_eio (SEEK_CUR)
1249 const_eio (SEEK_END)
1250
1251 const_eio (MCL_FUTURE)
1252 const_eio (MCL_CURRENT)
1253
1254 const_eio (MS_ASYNC)
1255 const_eio (MS_INVALIDATE)
1256 const_eio (MS_SYNC)
1257
1258 const_eio (MT_MODIFY)
612 1259
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1260 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 1261 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1262 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1263
1264 const_eio (FALLOC_FL_KEEP_SIZE)
1265 const_eio (FALLOC_FL_PUNCH_HOLE)
1266 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1267 const_eio (FALLOC_FL_ZERO_RANGE)
1268 const_eio (FALLOC_FL_INSERT_RANGE)
1269 const_eio (FALLOC_FL_UNSHARE_RANGE)
1270
1271 const_eio (RENAME_NOREPLACE)
1272 const_eio (RENAME_EXCHANGE)
1273 const_eio (RENAME_WHITEOUT)
616 1274
617 const_eio (READDIR_DENTS) 1275 const_eio (READDIR_DENTS)
618 const_eio (READDIR_DIRS_FIRST) 1276 const_eio (READDIR_DIRS_FIRST)
619 const_eio (READDIR_STAT_ORDER) 1277 const_eio (READDIR_STAT_ORDER)
620 const_eio (READDIR_FOUND_UNKNOWN) 1278 const_eio (READDIR_FOUND_UNKNOWN)
… …
628 const_eio (DT_LNK) 1286 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 1287 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 1288 const_eio (DT_WHT)
631 }; 1289 };
632 1290
633 stash = gv_stashpv ("IO::AIO", 1); 1291 aio_stash = gv_stashpv ("IO::AIO" , 1);
1292 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1293 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1294 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
634 1295
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1296 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1297 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
637 1298
638 create_respipe (); 1299 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
639 1300
640 if (eio_init (want_poll, done_poll) < 0) 1301 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} 1302}
646 1303
647void 1304void
1305reinit ()
1306 PROTOTYPE:
1307
1308void
648max_poll_reqs (int nreqs) 1309max_poll_reqs (unsigned int nreqs)
649 PROTOTYPE: $ 1310 PROTOTYPE: $
650 CODE: 1311 CODE:
651 eio_set_max_poll_reqs (nreqs); 1312 eio_set_max_poll_reqs (nreqs);
652 1313
653void 1314void
… …
655 PROTOTYPE: $ 1316 PROTOTYPE: $
656 CODE: 1317 CODE:
657 eio_set_max_poll_time (nseconds); 1318 eio_set_max_poll_time (nseconds);
658 1319
659void 1320void
660min_parallel (int nthreads) 1321min_parallel (unsigned int nthreads)
661 PROTOTYPE: $ 1322 PROTOTYPE: $
662 CODE: 1323 CODE:
663 eio_set_min_parallel (nthreads); 1324 eio_set_min_parallel (nthreads);
664 1325
665void 1326void
666max_parallel (int nthreads) 1327max_parallel (unsigned int nthreads)
667 PROTOTYPE: $ 1328 PROTOTYPE: $
668 CODE: 1329 CODE:
669 eio_set_max_parallel (nthreads); 1330 eio_set_max_parallel (nthreads);
670 1331
671void 1332void
672max_idle (int nthreads) 1333max_idle (unsigned int nthreads)
673 PROTOTYPE: $ 1334 PROTOTYPE: $
674 CODE: 1335 CODE:
675 eio_set_max_idle (nthreads); 1336 eio_set_max_idle (nthreads);
676 1337
677void 1338void
1339idle_timeout (unsigned int seconds)
1340 PROTOTYPE: $
1341 CODE:
1342 eio_set_idle_timeout (seconds);
1343
1344void
678max_outstanding (int maxreqs) 1345max_outstanding (unsigned int maxreqs)
679 PROTOTYPE: $ 1346 PROTOTYPE: $
680 CODE: 1347 CODE:
681 max_outstanding = maxreqs; 1348 max_outstanding = maxreqs;
682 1349
683void 1350void
684aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1351aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1352 PPCODE:
687{ 1353{
688 dREQ; 1354 dREQ;
689 1355
1356 req->type = EIO_WD_OPEN;
1357 req_set_path1 (req, pathname);
1358
1359 REQ_SEND;
1360}
1361
1362void
1363aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1364 PPCODE:
1365{
1366 dREQ;
1367
690 req->type = EIO_OPEN; 1368 req->type = EIO_OPEN;
691 req->sv1 = newSVsv (pathname); 1369 req_set_path1 (req, pathname);
692 req->ptr1 = SvPVbyte_nolen (req->sv1);
693 req->int1 = flags; 1370 req->int1 = flags;
694 req->int2 = mode; 1371 req->int2 = mode;
695 1372
696 REQ_SEND; 1373 REQ_SEND;
697} 1374}
698 1375
699void 1376void
700aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1377aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
701 PROTOTYPE: $;$
702 ALIAS: 1378 ALIAS:
703 aio_fsync = EIO_FSYNC 1379 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 1380 aio_fdatasync = EIO_FDATASYNC
1381 aio_syncfs = EIO_SYNCFS
705 PPCODE: 1382 PPCODE:
706{ 1383{
707 int fd = extract_fd (fh, 0); 1384 int fd = s_fileno_croak (fh, 0);
708 dREQ; 1385 dREQ;
709 1386
710 req->type = ix; 1387 req->type = ix;
711 req->sv1 = newSVsv (fh); 1388 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 1389 req->int1 = fd;
713 1390
714 REQ_SEND (req); 1391 REQ_SEND;
715} 1392}
716 1393
717void 1394void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1395aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
719 PROTOTYPE: $$$$;$
720 PPCODE: 1396 PPCODE:
721{ 1397{
722 int fd = extract_fd (fh, 0); 1398 int fd = s_fileno_croak (fh, 0);
723 dREQ; 1399 dREQ;
724 1400
725 req->type = EIO_SYNC_FILE_RANGE; 1401 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 1402 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 1403 req->int1 = fd;
728 req->offs = offset; 1404 req->offs = offset;
729 req->size = nbytes; 1405 req->size = nbytes;
730 req->int2 = flags; 1406 req->int2 = flags;
731 1407
732 REQ_SEND (req); 1408 REQ_SEND;
733} 1409}
734 1410
735void 1411void
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 1412aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
737 PROTOTYPE: $;$
738 PPCODE: 1413 PPCODE:
739{ 1414{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1415 int fd = s_fileno_croak (fh, 0);
741 int fd = extract_fd (fh, 0);
742 dREQ; 1416 dREQ;
743 1417
744 if (close_pipe < 0) 1418 req->type = EIO_FALLOCATE;
1419 req->sv1 = newSVsv (fh);
1420 req->int1 = fd;
1421 req->int2 = mode;
1422 req->offs = offset;
1423 req->size = len;
1424
1425 REQ_SEND;
1426}
1427
1428void
1429aio_close (SV *fh, SV *callback = &PL_sv_undef)
1430 PPCODE:
1431{
1432 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1433 int fd = s_fileno_croak (fh, 0);
1434 dREQ;
1435
1436 if (expect_false (close_fd < 0))
745 { 1437 {
746 int pipefd [2]; 1438 int pipefd [2];
747 1439
1440 if (
1441#ifdef _WIN32
1442 _pipe (pipefd, 1, _O_BINARY) < 0
1443#else
748 if (pipe (pipefd) < 0 1444 pipe (pipefd) < 0
749 || close (pipefd [1]) < 0
750 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1445 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1446#endif
1447 || close (pipefd [1]) < 0
1448 )
751 abort (); /*D*/ 1449 abort (); /*D*/
752 1450
753 close_pipe = pipefd [0]; 1451 close_fd = pipefd [0];
754 } 1452 }
755 1453
756 req->type = EIO_DUP2; 1454 req->type = EIO_DUP2;
757 req->int1 = close_pipe; 1455 req->int1 = close_fd;
758 req->sv2 = newSVsv (fh); 1456 req->sv2 = newSVsv (fh);
759 req->int2 = fd; 1457 req->int2 = fd;
760 1458
761 REQ_SEND (req); 1459 REQ_SEND;
762} 1460}
763 1461
764void 1462void
1463aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1464 PPCODE:
1465{
1466 int fd = s_fileno_croak (fh, 0);
1467 dREQ;
1468
1469 req->type = EIO_SEEK;
1470 req->sv1 = newSVsv (fh);
1471 req->int1 = fd;
1472 req->offs = SvVAL64 (offset);
1473 req->int2 = whence;
1474
1475 REQ_SEND;
1476}
1477
1478void
765aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1479aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
766 ALIAS: 1480 ALIAS:
767 aio_read = EIO_READ 1481 aio_read = EIO_READ
768 aio_write = EIO_WRITE 1482 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$
770 PPCODE: 1483 PPCODE:
771{ 1484{
772 STRLEN svlen; 1485 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 1486 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 1487 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 1488 UV len = SvUV (length);
776 1489
777 if (dataoffset < 0) 1490 if (dataoffset < 0)
778 dataoffset += svlen; 1491 dataoffset += svlen;
… …
787 len = svlen - dataoffset; 1500 len = svlen - dataoffset;
788 } 1501 }
789 else 1502 else
790 { 1503 {
791 /* read: check type and grow scalar as necessary */ 1504 /* read: check type and grow scalar as necessary */
792 SvUPGRADE (data, SVt_PV); 1505 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
793 svptr = SvGROW (data, len + dataoffset + 1); 1506 svptr = sv_grow (data, len + dataoffset + 1);
1507 else if (SvCUR (data) < len + dataoffset)
1508 croak ("length + dataoffset outside of scalar, and cannot grow");
794 } 1509 }
795 1510
796 { 1511 {
797 dREQ; 1512 dREQ;
798 1513
… …
814 REQ_SEND; 1529 REQ_SEND;
815 } 1530 }
816} 1531}
817 1532
818void 1533void
819aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1534aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
820 PROTOTYPE: $$;$ 1535 ALIAS:
1536 aio_ioctl = EIO_IOCTL
1537 aio_fcntl = EIO_FCNTL
821 PPCODE: 1538 PPCODE:
822{ 1539{
823 SV *data; 1540 int fd = s_fileno_croak (fh, 0);
1541 char *svptr;
1542
1543 if (SvPOK (arg) || !SvNIOK (arg))
1544 {
1545 STRLEN svlen;
1546 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1547#ifdef IOCPARM_LEN
1548 STRLEN need = IOCPARM_LEN (request);
1549#else
1550 STRLEN need = 256;
1551#endif
1552
1553 if (svlen < need)
1554 svptr = SvGROW (arg, need);
1555 }
1556 else
1557 svptr = (char *)SvIV (arg);
1558
1559 {
1560 dREQ;
1561
1562 req->type = ix;
1563 req->sv1 = newSVsv (fh);
1564 req->int1 = fd;
1565 req->int2 = (long)request;
1566 req->sv2 = SvREFCNT_inc (arg);
1567 req->ptr2 = svptr;
1568
1569 REQ_SEND;
1570 }
1571}
1572
1573void
1574aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1575 ALIAS:
1576 aio_readlink = EIO_READLINK
1577 aio_realpath = EIO_REALPATH
1578 PPCODE:
1579{
824 dREQ; 1580 dREQ;
825 1581
826 req->type = EIO_READLINK; 1582 req->type = ix;
827 req->sv1 = newSVsv (path); 1583 req_set_path1 (req, pathname);
828 req->ptr1 = SvPVbyte_nolen (req->sv1);
829 1584
830 REQ_SEND; 1585 REQ_SEND;
831} 1586}
832 1587
833void 1588void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1589aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
835 PROTOTYPE: $$$$;$
836 PPCODE: 1590 PPCODE:
837{ 1591{
838 int ifd = extract_fd (in_fh , 0); 1592 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 1593 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 1594 dREQ;
841 1595
842 req->type = EIO_SENDFILE; 1596 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 1597 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 1598 req->int1 = ofd;
… …
849 1603
850 REQ_SEND; 1604 REQ_SEND;
851} 1605}
852 1606
853void 1607void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1608aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
855 PROTOTYPE: $$$;$
856 PPCODE: 1609 PPCODE:
857{ 1610{
858 int fd = extract_fd (fh, 0); 1611 int fd = s_fileno_croak (fh, 0);
859 dREQ; 1612 dREQ;
860 1613
861 req->type = EIO_READAHEAD; 1614 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 1615 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 1616 req->int1 = fd;
… …
866 1619
867 REQ_SEND; 1620 REQ_SEND;
868} 1621}
869 1622
870void 1623void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1624aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
872 ALIAS: 1625 ALIAS:
873 aio_stat = EIO_STAT 1626 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1627 aio_lstat = EIO_LSTAT
1628 aio_statvfs = EIO_STATVFS
875 PPCODE: 1629 PPCODE:
876{ 1630{
877 dREQ; 1631 dREQ;
878 1632
879 req->sv1 = newSVsv (fh_or_path); 1633 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 1634
892 REQ_SEND; 1635 REQ_SEND;
893} 1636}
894 1637
895void 1638void
1639st_xtime ()
1640 ALIAS:
1641 st_atime = 1
1642 st_mtime = 2
1643 st_ctime = 4
1644 st_xtime = 7
1645 PPCODE:
1646 EXTEND (SP, 3);
1647 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1648 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1649 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1650
1651void
1652st_xtimensec ()
1653 ALIAS:
1654 st_atimensec = 1
1655 st_mtimensec = 2
1656 st_ctimensec = 4
1657 st_xtimensec = 7
1658 PPCODE:
1659 EXTEND (SP, 3);
1660 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1661 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1662 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1663
1664UV
1665major (UV dev)
1666 ALIAS:
1667 minor = 1
1668 CODE:
1669 RETVAL = ix ? minor (dev) : major (dev);
1670 OUTPUT:
1671 RETVAL
1672
1673UV
1674makedev (UV maj, UV min)
1675 CODE:
1676 RETVAL = makedev (maj, min);
1677 OUTPUT:
1678 RETVAL
1679
1680void
896aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1681aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
897 PPCODE: 1682 PPCODE:
898{ 1683{
899 dREQ; 1684 dREQ;
900 1685
901 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1686 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
902 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1687 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
903 req->sv1 = newSVsv (fh_or_path); 1688 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 1689
916 REQ_SEND; 1690 REQ_SEND;
917} 1691}
918 1692
919void 1693void
920aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1694aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
921 PPCODE: 1695 PPCODE:
922{ 1696{
923 dREQ; 1697 dREQ;
924 1698
925 req->sv1 = newSVsv (fh_or_path);
926 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1699 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
927 1700 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 1701
939 REQ_SEND; 1702 REQ_SEND;
940} 1703}
941 1704
942void 1705void
943aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1706aio_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: 1707 PPCODE:
948{ 1708{
949 dREQ; 1709 dREQ;
950 1710
951 req->int2 = mode; 1711 req->int2 = mode;
952 req->sv1 = newSVsv (fh_or_path); 1712 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 1713
965 REQ_SEND; 1714 REQ_SEND;
966} 1715}
967 1716
968void 1717void
969aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1718aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
970 PPCODE: 1719 PPCODE:
971{ 1720{
972 dREQ; 1721 dREQ;
973 1722
974 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1723 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
975 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1724 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
976 req->sv1 = newSVsv (fh_or_path); 1725 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 1726
989 REQ_SEND; 1727 REQ_SEND;
990} 1728}
991 1729
992void 1730void
993aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1731aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
994 PPCODE: 1732 PPCODE:
995{ 1733{
996 dREQ; 1734 dREQ;
997 1735
998 req->type = EIO_READDIR; 1736 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; 1737 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1002 1738
1003 if (flags & EIO_READDIR_DENTS) 1739 if (flags & EIO_READDIR_DENTS)
1004 req->int1 |= EIO_READDIR_CUSTOM2; 1740 req->int1 |= EIO_READDIR_CUSTOM2;
1005 1741
1742 req_set_path1 (req, pathname);
1743
1006 REQ_SEND; 1744 REQ_SEND;
1007} 1745}
1008 1746
1009void 1747void
1748aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1749 PPCODE:
1750{
1751 dREQ;
1752
1753 req->type = EIO_MKDIR;
1754 req->int2 = mode;
1755 req_set_path1 (req, pathname);
1756
1757 REQ_SEND;
1758}
1759
1760void
1010aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1761aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1011 ALIAS: 1762 ALIAS:
1012 aio_unlink = EIO_UNLINK 1763 aio_unlink = EIO_UNLINK
1013 aio_rmdir = EIO_RMDIR 1764 aio_rmdir = EIO_RMDIR
1014 aio_readdir = EIO_READDIR 1765 aio_readdir = EIO_READDIR
1015 PPCODE: 1766 PPCODE:
1016{ 1767{
1017 dREQ; 1768 dREQ;
1018 1769
1019 req->type = ix; 1770 req->type = ix;
1020 req->sv1 = newSVsv (pathname); 1771 req_set_path1 (req, pathname);
1021 req->ptr1 = SvPVbyte_nolen (req->sv1);
1022 1772
1023 REQ_SEND; 1773 REQ_SEND;
1024} 1774}
1025 1775
1026void 1776void
1027aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1777aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1028 ALIAS: 1778 ALIAS:
1029 aio_link = EIO_LINK 1779 aio_link = EIO_LINK
1030 aio_symlink = EIO_SYMLINK 1780 aio_symlink = EIO_SYMLINK
1031 aio_rename = EIO_RENAME 1781 aio_rename = EIO_RENAME
1032 PPCODE: 1782 PPCODE:
1033{ 1783{
1784 eio_wd wd2 = 0;
1034 dREQ; 1785 dREQ;
1035 1786
1036 req->type = ix; 1787 req->type = ix;
1037 req->sv1 = newSVsv (oldpath); 1788 req_set_path1 (req, oldpath);
1038 req->ptr1 = SvPVbyte_nolen (req->sv1); 1789 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1039 req->sv2 = newSVsv (newpath); 1790 req->int3 = (long)wd2;
1040 req->ptr2 = SvPVbyte_nolen (req->sv2);
1041 1791
1042 REQ_SEND; 1792 REQ_SEND;
1043} 1793}
1044 1794
1045void 1795void
1796aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1797 PPCODE:
1798{
1799 eio_wd wd2 = 0;
1800 dREQ;
1801
1802 req->type = EIO_RENAME;
1803 req_set_path1 (req, oldpath);
1804 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1805 req->int2 = flags;
1806 req->int3 = (long)wd2;
1807
1808 REQ_SEND;
1809}
1810
1811void
1046aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1812aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1047 PPCODE: 1813 PPCODE:
1048{ 1814{
1049 dREQ; 1815 dREQ;
1050 1816
1051 req->type = EIO_MKNOD; 1817 req->type = EIO_MKNOD;
1052 req->sv1 = newSVsv (pathname);
1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
1054 req->int2 = (mode_t)mode; 1818 req->int2 = (mode_t)mode;
1055 req->offs = dev; 1819 req->offs = dev;
1820 req_set_path1 (req, pathname);
1056 1821
1057 REQ_SEND; 1822 REQ_SEND;
1058} 1823}
1059 1824
1060void 1825void
1826aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1827 ALIAS:
1828 aio_mtouch = EIO_MTOUCH
1829 aio_msync = EIO_MSYNC
1830 PPCODE:
1831{
1832 STRLEN svlen;
1833 char *svptr = SvPVbyte (data, svlen);
1834 UV len = SvUV (length);
1835
1836 if (flags < 0)
1837 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1838
1839 if (offset < 0)
1840 offset += svlen;
1841
1842 if (offset < 0 || offset > svlen)
1843 croak ("offset outside of scalar");
1844
1845 if (!SvOK (length) || len + offset > svlen)
1846 len = svlen - offset;
1847
1848 {
1849 dREQ;
1850
1851 req->type = ix;
1852 req->sv2 = SvREFCNT_inc (data);
1853 req->ptr2 = (char *)svptr + offset;
1854 req->size = len;
1855 req->int1 = flags;
1856
1857 REQ_SEND;
1858 }
1859}
1860
1861void
1862aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1863 PPCODE:
1864{
1865 STRLEN svlen;
1866 char *svptr = SvPVbyte (data, svlen);
1867 UV len = SvUV (length);
1868
1869 if (offset < 0)
1870 offset += svlen;
1871
1872 if (offset < 0 || offset > svlen)
1873 croak ("offset outside of scalar");
1874
1875 if (!SvOK (length) || len + offset > svlen)
1876 len = svlen - offset;
1877
1878 {
1879 dREQ;
1880
1881 req->type = EIO_MLOCK;
1882 req->sv2 = SvREFCNT_inc (data);
1883 req->ptr2 = (char *)svptr + offset;
1884 req->size = len;
1885
1886 REQ_SEND;
1887 }
1888}
1889
1890void
1891aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1892 PPCODE:
1893{
1894 dREQ;
1895
1896 req->type = EIO_MLOCKALL;
1897 req->int1 = flags;
1898
1899 REQ_SEND;
1900}
1901
1902void
1903aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1904 PPCODE:
1905{
1906 int fd = s_fileno_croak (fh, 0);
1907 dREQ;
1908
1909 req->type = EIO_CUSTOM;
1910 req->sv1 = newSVsv (fh);
1911 req->int1 = fd;
1912
1913 req->feed = fiemap;
1914#if HAVE_FIEMAP
1915 /* keep our fingers crossed that the next two types are 64 bit */
1916 req->offs = start;
1917 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1918 req->int2 = flags;
1919 req->int3 = SvOK (count) ? SvIV (count) : -1;
1920#endif
1921
1922 REQ_SEND;
1923}
1924
1925void
1926aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1927 PPCODE:
1928{
1929 char *svptr = 0;
1930
1931 sv_clear_foreign (data);
1932
1933 if (length) /* known length, directly read into scalar */
1934 {
1935 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1936 svptr = sv_grow (data, length + 1);
1937 else if (SvCUR (data) < length)
1938 croak ("length outside of scalar, and cannot grow");
1939 else
1940 svptr = SvPVbyte_nolen (data);
1941 }
1942
1943 {
1944 dREQ;
1945
1946 req->type = EIO_SLURP;
1947 req_set_path1 (req, pathname);
1948 req->offs = offset;
1949 req->size = length;
1950 req->sv2 = SvREFCNT_inc (data);
1951 req->ptr2 = svptr;
1952
1953 if (!SvREADONLY (data))
1954 {
1955 SvREADONLY_on (data);
1956 req->flags |= FLAG_SV2_RO_OFF;
1957 }
1958
1959 REQ_SEND;
1960 }
1961}
1962
1963void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1964aio_busy (double delay, SV *callback = &PL_sv_undef)
1062 PPCODE: 1965 PPCODE:
1063{ 1966{
1064 dREQ; 1967 dREQ;
1065 1968
1066 req->type = EIO_BUSY; 1969 req->type = EIO_BUSY;
… …
1068 1971
1069 REQ_SEND; 1972 REQ_SEND;
1070} 1973}
1071 1974
1072void 1975void
1073aio_group (SV *callback=&PL_sv_undef) 1976aio_group (SV *callback = &PL_sv_undef)
1074 PROTOTYPE: ;$
1075 PPCODE: 1977 PPCODE:
1076{ 1978{
1077 dREQ; 1979 dREQ;
1078 1980
1079 req->type = EIO_GROUP; 1981 req->type = EIO_GROUP;
1080 1982
1983 PUTBACK;
1081 req_submit (req); 1984 req_submit (req);
1985 SPAGAIN;
1986
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1987 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1988}
1084 1989
1085void 1990void
1086aio_nop (SV *callback=&PL_sv_undef) 1991aio_nop (SV *callback = &PL_sv_undef)
1087 ALIAS: 1992 ALIAS:
1088 aio_nop = EIO_NOP 1993 aio_nop = EIO_NOP
1089 aio_sync = EIO_SYNC 1994 aio_sync = EIO_SYNC
1090 PPCODE: 1995 PPCODE:
1091{ 1996{
… …
1095 2000
1096 REQ_SEND; 2001 REQ_SEND;
1097} 2002}
1098 2003
1099int 2004int
1100aioreq_pri (int pri = 0) 2005aioreq_pri (int pri = NO_INIT)
1101 PROTOTYPE: ;$
1102 CODE: 2006 CODE:
1103 RETVAL = next_pri; 2007 RETVAL = next_pri;
1104 if (items > 0) 2008 if (items > 0)
1105 { 2009 {
1106 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2010 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1118 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2022 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119 next_pri = nice; 2023 next_pri = nice;
1120 2024
1121void 2025void
1122flush () 2026flush ()
1123 PROTOTYPE:
1124 CODE: 2027 CODE:
1125 while (eio_nreqs ()) 2028 while (eio_nreqs ())
1126 { 2029 {
1127 poll_wait (); 2030 poll_wait ();
1128 poll_cb (); 2031 poll_cb ();
1129 } 2032 }
1130 2033
1131int 2034int
1132poll() 2035poll ()
1133 PROTOTYPE:
1134 CODE: 2036 CODE:
1135 poll_wait (); 2037 poll_wait ();
1136 RETVAL = poll_cb (); 2038 RETVAL = poll_cb ();
1137 OUTPUT: 2039 OUTPUT:
1138 RETVAL 2040 RETVAL
1139 2041
1140int 2042int
1141poll_fileno() 2043poll_fileno ()
1142 PROTOTYPE:
1143 CODE: 2044 CODE:
1144 RETVAL = respipe [0]; 2045 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 2046 OUTPUT:
1146 RETVAL 2047 RETVAL
1147 2048
1148int 2049int
1149poll_cb(...) 2050poll_cb (...)
1150 PROTOTYPE: 2051 PROTOTYPE:
1151 CODE: 2052 CODE:
1152 RETVAL = poll_cb (); 2053 RETVAL = poll_cb ();
1153 OUTPUT: 2054 OUTPUT:
1154 RETVAL 2055 RETVAL
1155 2056
1156void 2057void
1157poll_wait() 2058poll_wait ()
1158 PROTOTYPE:
1159 CODE: 2059 CODE:
1160 poll_wait (); 2060 poll_wait ();
1161 2061
1162int 2062int
1163nreqs() 2063nreqs ()
1164 PROTOTYPE:
1165 CODE: 2064 CODE:
1166 RETVAL = eio_nreqs (); 2065 RETVAL = eio_nreqs ();
1167 OUTPUT: 2066 OUTPUT:
1168 RETVAL 2067 RETVAL
1169 2068
1170int 2069int
1171nready() 2070nready ()
1172 PROTOTYPE:
1173 CODE: 2071 CODE:
1174 RETVAL = eio_nready (); 2072 RETVAL = eio_nready ();
1175 OUTPUT: 2073 OUTPUT:
1176 RETVAL 2074 RETVAL
1177 2075
1178int 2076int
1179npending() 2077npending ()
1180 PROTOTYPE:
1181 CODE: 2078 CODE:
1182 RETVAL = eio_npending (); 2079 RETVAL = eio_npending ();
1183 OUTPUT: 2080 OUTPUT:
1184 RETVAL 2081 RETVAL
1185 2082
1186int 2083int
1187nthreads() 2084nthreads ()
1188 PROTOTYPE:
1189 CODE: 2085 CODE:
1190 RETVAL = eio_nthreads (); 2086 RETVAL = eio_nthreads ();
1191 OUTPUT: 2087 OUTPUT:
1192 RETVAL 2088 RETVAL
1193 2089
1194int 2090int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2091fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$
1197 CODE: 2092 CODE:
1198{
1199 #if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1200 RETVAL = posix_fadvise (fh, offset, length, advice); 2093 RETVAL = posix_fadvise (fh, offset, length, advice);
1201 #else
1202 RETVAL = errno = ENOSYS;
1203 #endif
1204}
1205 OUTPUT: 2094 OUTPUT:
1206 RETVAL 2095 RETVAL
1207 2096
1208ssize_t 2097IV
1209sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2098sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1210 PROTOTYPE: $$$$
1211 CODE: 2099 CODE:
1212 eio_sendfile_sync (ofh, ifh, offset, count); 2100 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2101 OUTPUT:
2102 RETVAL
2103
2104void
2105mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2106 PPCODE:
2107 sv_clear_foreign (scalar);
2108{
2109 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2110 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2111 if (addr == (void *)-1)
2112 XSRETURN_NO;
2113
2114 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2115
2116 if (!(prot & PROT_WRITE))
2117 SvREADONLY_on (scalar);
2118
2119 XSRETURN_YES;
2120}
2121
2122void
2123munmap (SV *scalar)
2124 CODE:
2125 sv_clear_foreign (scalar);
2126
2127SV *
2128mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2129 CODE:
2130{
2131 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2132 void *new;
2133
2134 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2135 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2136
2137 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2138
2139 RETVAL = &PL_sv_no;
2140
2141 if (new != (void *)-1)
2142 {
2143 RETVAL = new == (void *)mg->mg_ptr
2144 ? newSVpvn ("0 but true", 10)
2145 : &PL_sv_yes;
2146
2147 mg->mg_ptr = (char *)new;
2148 mg->mg_obj = (SV *)new_length;
2149
2150 SvPVX (scalar) = mg->mg_ptr;
2151 SvCUR_set (scalar, new_length);
2152 }
2153}
2154 OUTPUT:
2155 RETVAL
2156
2157int
2158madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2159 ALIAS:
2160 mprotect = 1
2161 CODE:
2162{
2163 STRLEN svlen;
2164 void *addr = SvPVbyte (scalar, svlen);
2165 STRLEN len = SvUV (length);
2166
2167 if (offset < 0)
2168 offset += svlen;
2169
2170 if (offset < 0 || offset > svlen)
2171 croak ("offset outside of scalar");
2172
2173 if (!SvOK (length) || len + offset > svlen)
2174 len = svlen - offset;
2175
2176 addr = (void *)(((intptr_t)addr) + offset);
2177 eio_page_align (&addr, &len);
2178
2179 switch (ix)
2180 {
2181 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2182 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2183 }
2184}
2185 OUTPUT:
2186 RETVAL
2187
2188int
2189munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2190 CODE:
2191{
2192 STRLEN svlen;
2193 void *addr = SvPVbyte (scalar, svlen);
2194 size_t len = SvUV (length);
2195
2196 if (offset < 0)
2197 offset += svlen;
2198
2199 if (offset < 0 || offset > svlen)
2200 croak ("offset outside of scalar");
2201
2202 if (!SvOK (length) || len + offset > svlen)
2203 len = svlen - offset;
2204
2205 addr = (void *)(((intptr_t)addr) + offset);
2206 eio_page_align (&addr, &len);
2207#if _POSIX_MEMLOCK_RANGE
2208 RETVAL = munlock (addr, len);
2209#else
2210 RETVAL = EIO_ENOSYS ();
2211#endif
2212}
2213 OUTPUT:
2214 RETVAL
2215
2216int
2217munlockall ()
2218 CODE:
2219#if _POSIX_MEMLOCK
2220 munlockall ();
2221#else
2222 RETVAL = EIO_ENOSYS ();
2223#endif
2224 OUTPUT:
2225 RETVAL
2226
2227int
2228splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2229 CODE:
2230{
2231#if HAVE_LINUX_SPLICE
2232 loff_t off_in_, off_out_;
2233 RETVAL = splice (
2234 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2235 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2236 length, flags
2237 );
2238#else
2239 RETVAL = EIO_ENOSYS ();
2240#endif
2241}
2242 OUTPUT:
2243 RETVAL
2244
2245int
2246tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2247 CODE:
2248#if HAVE_LINUX_SPLICE
2249 RETVAL = tee (rfh, wfh, length, flags);
2250#else
2251 RETVAL = EIO_ENOSYS ();
2252#endif
2253 OUTPUT:
2254 RETVAL
2255
2256int
2257pipesize (aio_rfd rfh, int new_size = -1)
2258 PROTOTYPE: $;$
2259 CODE:
2260#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2261 if (new_size >= 0)
2262 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2263 else
2264 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2265#else
2266 errno = ENOSYS;
2267 RETVAL = -1;
2268#endif
2269 OUTPUT:
2270 RETVAL
2271
2272void
2273pipe2 (int flags = 0)
2274 PROTOTYPE: ;$
2275 PPCODE:
2276{
2277 int fd[2];
2278 int res;
2279
2280 if (flags)
2281#if HAVE_PIPE2
2282 res = pipe2 (fd, flags);
2283#else
2284 res = (errno = ENOSYS, -1);
2285#endif
2286 else
2287 res = pipe (fd);
2288
2289 if (!res)
2290 {
2291 EXTEND (SP, 2);
2292 PUSHs (newmortalFH (fd[0], O_RDONLY));
2293 PUSHs (newmortalFH (fd[1], O_WRONLY));
2294 }
2295}
2296
2297void
2298eventfd (unsigned int initval = 0, int flags = 0)
2299 PPCODE:
2300{
2301 int fd;
2302#if HAVE_EVENTFD
2303 fd = eventfd (initval, flags);
2304#else
2305 fd = (errno = ENOSYS, -1);
2306#endif
2307
2308 XPUSHs (newmortalFH (fd, O_RDWR));
2309}
2310
2311void
2312timerfd_create (int clockid, int flags = 0)
2313 PPCODE:
2314{
2315 int fd;
2316#if HAVE_TIMERFD
2317 fd = timerfd_create (clockid, flags);
2318#else
2319 fd = (errno = ENOSYS, -1);
2320#endif
2321
2322 XPUSHs (newmortalFH (fd, O_RDWR));
2323}
2324
2325void
2326timerfd_settime (SV *fh, int flags, NV interval, NV value)
2327 PPCODE:
2328{
2329 int fd = s_fileno_croak (fh, 0);
2330#if HAVE_TIMERFD
2331 int res;
2332 struct itimerspec its, ots;
2333
2334 ts_set (&its.it_interval, interval);
2335 ts_set (&its.it_value , value);
2336 res = timerfd_settime (fd, flags, &its, &ots);
2337
2338 if (!res)
2339 {
2340 EXTEND (SP, 2);
2341 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2342 PUSHs (newSVnv (ts_get (&ots.it_value)));
2343 }
2344#else
2345 errno = ENOSYS;
2346#endif
2347}
2348
2349void
2350timerfd_gettime (SV *fh)
2351 PPCODE:
2352{
2353 int fd = s_fileno_croak (fh, 0);
2354#if HAVE_TIMERFD
2355 int res;
2356 struct itimerspec ots;
2357 res = timerfd_gettime (fd, &ots);
2358
2359 if (!res)
2360 {
2361 EXTEND (SP, 2);
2362 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2363 PUSHs (newSVnv (ts_get (&ots.it_value)));
2364 }
2365#else
2366 errno = ENOSYS;
2367#endif
2368}
2369
2370UV
2371get_fdlimit ()
2372 CODE:
2373#if HAVE_RLIMITS
2374 struct rlimit rl;
2375 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2376 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2377#endif
2378 XSRETURN_UNDEF;
2379 OUTPUT:
2380 RETVAL
2381
2382void
2383min_fdlimit (UV limit = 0x7fffffffU)
2384 CODE:
2385{
2386#if HAVE_RLIMITS
2387 struct rlimit rl;
2388 rlim_t orig_rlim_max;
2389 UV bit;
2390
2391 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2392 goto fail;
2393
2394 if (rl.rlim_cur == RLIM_INFINITY)
2395 XSRETURN_YES;
2396
2397 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2398
2399 if (rl.rlim_cur < limit)
2400 {
2401 rl.rlim_cur = limit;
2402
2403 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2404 rl.rlim_max = rl.rlim_cur;
2405 }
2406
2407 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2408 XSRETURN_YES;
2409
2410 if (errno == EPERM)
2411 {
2412 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2413 /* our limit overflows a system-wide limit */
2414 /* try an adaptive algorithm, but do not lower the hardlimit */
2415 rl.rlim_max = 0;
2416 for (bit = 0x40000000U; bit; bit >>= 1)
2417 {
2418 rl.rlim_max |= bit;
2419 rl.rlim_cur = rl.rlim_max;
2420
2421 /* nevr decrease the hard limit */
2422 if (rl.rlim_max < orig_rlim_max)
2423 break;
2424
2425 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2426 rl.rlim_max &= ~bit; /* too high, remove bit again */
2427 }
2428
2429 /* now, raise the soft limit to the max permitted */
2430 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2431 {
2432 rl.rlim_cur = rl.rlim_max;
2433 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2434 errno = EPERM;
2435 }
2436 }
2437#endif
2438 fail:
2439 XSRETURN_UNDEF;
2440}
1213 2441
1214void _on_next_submit (SV *cb) 2442void _on_next_submit (SV *cb)
1215 CODE: 2443 CODE:
1216 SvREFCNT_dec (on_next_submit); 2444 SvREFCNT_dec (on_next_submit);
1217 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2445 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1218 2446
1219PROTOTYPES: DISABLE 2447PROTOTYPES: DISABLE
1220 2448
2449MODULE = IO::AIO PACKAGE = IO::AIO::WD
2450
2451BOOT:
2452{
2453 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2454 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2455}
2456
2457void
2458DESTROY (SV *self)
2459 CODE:
2460{
2461 aio_wd wd = SvAIO_WD (self);
2462#if HAVE_AT
2463 {
2464 SV *callback = &PL_sv_undef;
2465 dREQ; /* clobbers next_pri :/ */
2466 next_pri = req->pri; /* restore next_pri */
2467 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2468 req->type = EIO_WD_CLOSE;
2469 req->wd = wd;
2470 REQ_SEND;
2471 }
2472#else
2473 eio_wd_close_sync (wd);
2474#endif
2475}
2476
1221MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2477MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1222 2478
1223void 2479void
1224cancel (aio_req_ornot req) 2480cancel (aio_req_ornot req)
1225 CODE: 2481 CODE:
1226 eio_cancel (req); 2482 eio_cancel (req);
1227 2483
1228void 2484void
1229cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2485cb (aio_req_ornot req, SV *callback = NO_INIT)
1230 PPCODE: 2486 PPCODE:
1231{ 2487{
1232 if (GIMME_V != G_VOID) 2488 if (GIMME_V != G_VOID)
1233 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2489 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1234 2490
… …
1299limit (aio_req grp, int limit) 2555limit (aio_req grp, int limit)
1300 CODE: 2556 CODE:
1301 eio_grp_limit (grp, limit); 2557 eio_grp_limit (grp, limit);
1302 2558
1303void 2559void
1304feed (aio_req grp, SV *callback=&PL_sv_undef) 2560feed (aio_req grp, SV *callback = &PL_sv_undef)
1305 CODE: 2561 CODE:
1306{ 2562{
1307 SvREFCNT_dec (grp->sv2); 2563 SvREFCNT_dec (grp->sv2);
1308 grp->sv2 = newSVsv (callback); 2564 grp->sv2 = newSVsv (callback);
1309 grp->feed = aio_grp_feed; 2565 grp->feed = aio_grp_feed;

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