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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.265 by root, Tue Aug 14 11:50:43 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 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
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 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
23#endif 45#endif
24 46
25/* perl namespace pollution */ 47/* perl namespace pollution */
26#undef VERSION 48#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 49
77/* perl stupidly overrides readdir and maybe others */ 50/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 51/* with thread-unsafe versions, imagine that :( */
79#undef readdir 52#undef readdir
80#undef opendir 53#undef opendir
81#undef closedir 54#undef closedir
82 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
83#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STATI64
84 92
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 93#else
91# define VAL64 NV 94
92# define SvVAL64 SvNV 95 #include <sys/time.h>
93# 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
94#endif 103#endif
95 104
96/*****************************************************************************/ 105/*****************************************************************************/
97 106
98#if __GNUC__ >= 3 107#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 113#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 114#define expect_true(expr) expect ((expr) != 0, 1)
106 115
107/*****************************************************************************/ 116/*****************************************************************************/
108 117
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
109typedef SV SV8; /* byte-sv, used for argument-checking */ 149typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 150typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 151typedef int aio_wfd; /* write file descriptor */
112 152
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 153static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 154
115#define EIO_REQ_MEMBERS \ 155#define EIO_REQ_MEMBERS \
116 SV *callback; \ 156 SV *callback; \
117 SV *sv1, *sv2; \ 157 SV *sv1, *sv2; \
158 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 159 STRLEN stroffset; \
119 SV *self; 160 SV *self;
120 161
121#define EIO_NO_WRAPPERS 1 162#define EIO_NO_WRAPPERS 1
122 163
123#include "libeio/eio.h" 164#include "libeio/eio.h"
124 165
125#ifndef POSIX_FADV_NORMAL 166static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 167#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 168static void req_destroy (eio_req *grp);
128#endif 169#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 170
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 171#include "libeio/eio.c"
172
173#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 174# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 175#endif
148 176
149#ifndef POSIX_MADV_NORMAL 177#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 178# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif 179#endif
207 180
208#ifndef MAP_ANONYMOUS 181#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 182# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 183# define MAP_ANONYMOUS MAP_ANON
211# else 184# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 185# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 186# endif
214#endif 187#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230 188
231#ifndef PAGESIZE 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
232# define PAGESIZE sysconf (_SC_PAGESIZE) 200# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 201#endif
234 202
235static int req_invoke (eio_req *req); 203/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 204
237static void req_destroy (eio_req *grp); 205#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 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/*****************************************************************************/
239 403
240enum { 404enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 405 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 406};
243 407
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 408typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 409typedef eio_req *aio_req_ornot;
410typedef eio_wd aio_wd;
248 411
249static SV *on_next_submit; 412static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 413static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 414static int max_outstanding;
252 415
253static s_epipe respipe; 416static s_epipe respipe;
254 417
255static void req_destroy (aio_req req); 418static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 419static void req_cancel (aio_req req);
257 420
258static void want_poll (void) 421static void
422want_poll (void)
259{ 423{
260 /* write a dummy byte to the pipe so fh becomes ready */ 424 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 425 s_epipe_signal (&respipe);
262} 426}
263 427
264static void done_poll (void) 428static void
429done_poll (void)
265{ 430{
266 /* read any signals sent by the worker threads */ 431 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 432 s_epipe_drain (&respipe);
268} 433}
269 434
270/* must be called at most once */ 435/* must be called at most once */
436static SV *
271static SV *req_sv (aio_req req, HV *stash) 437req_sv (aio_req req, HV *stash)
272{ 438{
273 if (!req->self) 439 if (!req->self)
274 { 440 {
275 req->self = (SV *)newHV (); 441 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 442 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 443 }
278 444
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 445 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 446}
281 447
282static 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)
283{ 456{
284 MAGIC *mg; 457 MAGIC *mg;
285 458
286 if (!SvROK (sv) 459 if (!SvROK (sv)
460 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 461 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 462 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 463 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 464 croak ("object of class IO::AIO::REQ expected");
291 465
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 466 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 467
294 return mg ? (aio_req)mg->mg_ptr : 0; 468 return mg ? (aio_req)mg->mg_ptr : 0;
295} 469}
296 470
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
297static void aio_grp_feed (aio_req grp) 508aio_grp_feed (aio_req grp)
298{ 509{
299 if (grp->sv2 && SvOK (grp->sv2)) 510 if (grp->sv2 && SvOK (grp->sv2))
300 { 511 {
301 dSP; 512 dSP;
302 513
… …
310 FREETMPS; 521 FREETMPS;
311 LEAVE; 522 LEAVE;
312 } 523 }
313} 524}
314 525
526static void
315static void req_submit (eio_req *req) 527req_submit (eio_req *req)
316{ 528{
317 eio_submit (req); 529 eio_submit (req);
318 530
319 if (expect_false (on_next_submit)) 531 if (expect_false (on_next_submit))
320 { 532 {
… …
327 PUTBACK; 539 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 540 call_sv (cb, G_DISCARD | G_EVAL);
329 } 541 }
330} 542}
331 543
544static int
332static int req_invoke (eio_req *req) 545req_invoke (eio_req *req)
333{ 546{
334 if (req->flags & FLAG_SV2_RO_OFF) 547 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 548 SvREADONLY_off (req->sv2);
336 549
337 if (!EIO_CANCELLED (req) && req->callback) 550 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 561 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 562 if (expect_true (sv_result_cache))
350 { 563 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 564 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 565 SvIV_set (sv_result, req->result);
566 SvIOK_only (sv_result);
353 } 567 }
354 else 568 else
355 { 569 {
356 sv_result = newSViv (req->result); 570 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 571 SvREADONLY_on (sv_result);
358 } 572 }
359 573
360 switch (req->type) 574 switch (req->type)
361 { 575 {
576 case EIO_WD_OPEN:
577 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
578 break;
579
362 case EIO_READDIR: 580 case EIO_READDIR:
363 { 581 {
364 SV *rv = &PL_sv_undef; 582 SV *rv = &PL_sv_undef;
365 583
366 if (req->result >= 0) 584 if (req->result >= 0)
… …
419 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))));
420 } 638 }
421 break; 639 break;
422 640
423 case EIO_OPEN: 641 case EIO_OPEN:
424 { 642 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
425 /* convert fd to fh */
426 SV *fh = &PL_sv_undef;
427
428 if (req->result >= 0)
429 {
430 GV *gv = (GV *)sv_newmortal ();
431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
432 char sym [64];
433 int symlen;
434
435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
436 gv_init (gv, aio_stash, sym, symlen, 0);
437
438 symlen = snprintf (
439 sym,
440 sizeof (sym),
441 "%s&=%d",
442 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
443 (int)req->result
444 );
445
446 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
447 fh = (SV *)gv;
448 }
449
450 PUSHs (fh);
451 }
452 break; 643 break;
453 644
454 case EIO_STATVFS: 645 case EIO_STATVFS:
455 case EIO_FSTATVFS: 646 case EIO_FSTATVFS:
456 { 647 {
457 SV *rv = &PL_sv_undef; 648 SV *rv = &PL_sv_undef;
458 649
650#ifndef _WIN32
459 if (req->result >= 0) 651 if (req->result >= 0)
460 { 652 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 653 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 654 HV *hv = newHV ();
655 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
656 * chooses to make it a struct.
657 */
658 unsigned long fsid = 0;
659 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 660
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 661 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 662
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 663 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 664 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
469 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 666 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 667 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 668 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 669 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 670 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 671 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 672 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 673 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 674 }
675#endif
478 676
479 PUSHs (rv); 677 PUSHs (rv);
480 } 678 }
481 679
482 break; 680 break;
… …
498 case EIO_NOP: 696 case EIO_NOP:
499 case EIO_BUSY: 697 case EIO_BUSY:
500 break; 698 break;
501 699
502 case EIO_READLINK: 700 case EIO_READLINK:
701 case EIO_REALPATH:
503 if (req->result > 0) 702 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 703 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 704 break;
506 705
507 case EIO_STAT: 706 case EIO_STAT:
508 case EIO_LSTAT: 707 case EIO_LSTAT:
509 case EIO_FSTAT: 708 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 709 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
710
511 PL_laststatval = req->result; 711 if (!(PL_laststatval = req->result))
712 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 713 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
714
513 PUSHs (sv_result); 715 PUSHs (sv_result);
716 break;
717
718 case EIO_SEEK:
719 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 720 break;
515 721
516 case EIO_READ: 722 case EIO_READ:
517 { 723 {
518 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));
… …
521 SvSETMAGIC (req->sv2); 727 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 728 PUSHs (sv_result);
523 } 729 }
524 break; 730 break;
525 731
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
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 796 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 797 if (req->result > 0)
528 SvIV_set (sv_result, 0); 798 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 799 /* FALLTHROUGH */
530 800
531 default: 801 default:
… …
551 } 821 }
552 822
553 return !!SvTRUE (ERRSV); 823 return !!SvTRUE (ERRSV);
554} 824}
555 825
826static void
556static void req_destroy (aio_req req) 827req_destroy (aio_req req)
557{ 828{
558 if (req->self) 829 if (req->self)
559 { 830 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 831 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 832 SvREFCNT_dec (req->self);
562 } 833 }
563 834
564 SvREFCNT_dec (req->sv1); 835 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 836 SvREFCNT_dec (req->sv2);
837 SvREFCNT_dec (req->sv3);
838 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 839 SvREFCNT_dec (req->callback);
567 840
568 Safefree (req); 841 free (req);
569} 842}
570 843
844static void
571static void req_cancel_subs (aio_req grp) 845req_cancel_subs (aio_req grp)
572{ 846{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 847 if (grp->type != EIO_GROUP)
576 return; 848 return;
577 849
578 SvREFCNT_dec (grp->sv2); 850 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 851 grp->sv2 = 0;
580 852
581 eio_grp_cancel (grp); 853 eio_grp_cancel (grp);
582} 854}
583 855
584static void 856static void ecb_cold
585create_respipe (void) 857create_respipe (void)
586{ 858{
587 if (s_epipe_renew (&respipe)) 859 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 860 croak ("IO::AIO: unable to initialize result pipe");
589} 861}
590 862
591static void poll_wait (void) 863static void
864poll_wait (void)
592{ 865{
593 while (eio_nreqs ()) 866 while (eio_nreqs ())
594 { 867 {
595 int size; 868 int size;
596 869
597 X_LOCK (reslock); 870 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 871 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 872 X_UNLOCK (EIO_POOL->reslock);
600 873
601 if (size) 874 if (size)
602 return; 875 return;
603 876
604 etp_maybe_start_thread (); 877 etp_maybe_start_thread (EIO_POOL);
605 878
606 s_epipe_wait (&respipe); 879 s_epipe_wait (&respipe);
607 } 880 }
608} 881}
609 882
610static int poll_cb (void) 883static int
884poll_cb (void)
611{ 885{
612 for (;;) 886 for (;;)
613 { 887 {
614 int res = eio_poll (); 888 int res = eio_poll ();
615 889
… …
621 895
622 poll_wait (); 896 poll_wait ();
623 } 897 }
624} 898}
625 899
626static void atfork_child (void) 900static void ecb_cold
901reinit (void)
627{ 902{
628 create_respipe (); 903 create_respipe ();
629}
630 904
631/*****************************************************************************/ 905 if (eio_init (want_poll, done_poll) < 0)
632 906 croak ("IO::AIO: unable to initialise eio library");
633#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# define munmap(addr,length) (errno = ENOSYS, -1)
636#endif
637
638#define MMAP_MAGIC PERL_MAGIC_ext
639
640static int
641mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{
643 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno;
646
647 mg->mg_obj = 0; /* just in case */
648
649 SvREADONLY_off (sv);
650
651 if (SvPVX (sv) != mg->mg_ptr)
652 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
653
654 SvCUR_set (sv, 0);
655 SvPVX (sv) = 0;
656 SvOK_off (sv);
657
658 return 0;
659} 907}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 908
665/*****************************************************************************/ 909/*****************************************************************************/
666 910
667static SV * 911static SV *
668get_cb (SV *cb_sv) 912get_cb (SV *cb_sv)
669{ 913{
670 SvGETMAGIC (cb_sv); 914 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 915 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 916}
673 917
918static aio_req ecb_noinline
919dreq (SV *callback)
920{
921 SV *cb_cv;
922 aio_req req;
923 int req_pri = next_pri;
924 next_pri = EIO_PRI_DEFAULT;
925
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
935 return req;
936}
937
674#define dREQ \ 938#define dREQ \
675 SV *cb_cv; \ 939 aio_req req = dreq (callback); \
676 aio_req req; \
677 int req_pri = next_pri; \
678 next_pri = EIO_PRI_DEFAULT; \
679 \
680 cb_cv = get_cb (callback); \
681 \
682 Newz (0, req, 1, eio_req); \
683 if (!req) \
684 croak ("out of memory during eio_req allocation"); \
685 \
686 req->callback = SvREFCNT_inc (cb_cv); \
687 req->pri = req_pri
688 940
689#define REQ_SEND \ 941#define REQ_SEND \
690 PUTBACK; \ 942 PUTBACK; \
691 req_submit (req); \ 943 req_submit (req); \
692 SPAGAIN; \ 944 SPAGAIN; \
693 \ 945 \
694 if (GIMME_V != G_VOID) \ 946 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 947 XPUSHs (req_sv (req, aio_req_stash));
696 948
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
1015static void
1016ts_set (struct timespec *ts, NV value)
1017{
1018 ts->tv_sec = value;
1019 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
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;
1031
697MODULE = IO::AIO PACKAGE = IO::AIO 1032MODULE = IO::AIO PACKAGE = IO::AIO
698 1033
699PROTOTYPES: ENABLE 1034PROTOTYPES: ENABLE
700 1035
701BOOT: 1036BOOT:
… …
705 IV iv; 1040 IV iv;
706 } *civ, const_iv[] = { 1041 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 1042# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 1043# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 1044# define const_eio(name) { # name, (IV) EIO_ ## name },
1045
1046 /* you have to re-run ./gendef0 after adding/removing any constants here */
1047 /* the first block can be undef if missing */
1048 const_iv (ENOSYS)
710 const_iv (EXDEV) 1049 const_iv (EXDEV)
711 const_iv (ENOSYS) 1050 const_iv (EBADR)
1051
1052 /* for lseek */
1053 const_iv (SEEK_DATA)
1054 const_iv (SEEK_HOLE)
1055
1056 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1057 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1058 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1059 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1060 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
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
712 const_iv (O_RDONLY) 1072 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1073 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1074 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1075 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1076 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1077 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1078 const_iv (O_APPEND)
719#ifndef _WIN32 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
720 const_iv (S_IFIFO) 1098 const_iv (S_IFIFO)
721#endif 1099 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1100 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1101 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1102 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1103 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1104 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1105 const_iv (S_IFSOCK)
728 1106 const_iv (S_IFMT)
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734 1107
735 const_iv (ST_RDONLY) 1108 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1109 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1110 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1111 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1116 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1117 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1118 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1119 const_iv (ST_RELATIME)
747 1120
1121 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1122 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1123 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1124 const_iv (PROT_WRITE)
752 1125
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1126 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1127 const_iv (MAP_SHARED)
1128 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1129 const_iv (MAP_ANONYMOUS)
757 1130
758 /* linuxish */ 1131 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1132 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1133 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1134 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 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)
764 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
765 const_iv (MCL_FUTURE) 1251 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1252 const_eio (MCL_CURRENT)
767 1253
768 const_eio (MS_ASYNC) 1254 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1255 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1256 const_eio (MS_SYNC)
771 1257
772 const_eio (MT_MODIFY) 1258 const_eio (MT_MODIFY)
773 1259
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1260 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1261 const_eio (SYNC_FILE_RANGE_WRITE)
776 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)
777 1274
778 const_eio (READDIR_DENTS) 1275 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1276 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1277 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1278 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1289 };
793 1290
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1291 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1292 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1293 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1294 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1295
798 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--)
799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1297 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1298
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1299 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1300
803 create_respipe (); 1301 reinit ();
804
805 if (eio_init (want_poll, done_poll) < 0)
806 croak ("IO::AIO: unable to initialise eio library");
807
808 /* atfork child called in fifo order, so before eio's handler */
809 X_THREAD_ATFORK (0, 0, atfork_child);
810} 1302}
811 1303
812void 1304void
1305reinit ()
1306 PROTOTYPE:
1307
1308void
813max_poll_reqs (int nreqs) 1309max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1310 PROTOTYPE: $
815 CODE: 1311 CODE:
816 eio_set_max_poll_reqs (nreqs); 1312 eio_set_max_poll_reqs (nreqs);
817 1313
818void 1314void
… …
820 PROTOTYPE: $ 1316 PROTOTYPE: $
821 CODE: 1317 CODE:
822 eio_set_max_poll_time (nseconds); 1318 eio_set_max_poll_time (nseconds);
823 1319
824void 1320void
825min_parallel (int nthreads) 1321min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1322 PROTOTYPE: $
827 CODE: 1323 CODE:
828 eio_set_min_parallel (nthreads); 1324 eio_set_min_parallel (nthreads);
829 1325
830void 1326void
831max_parallel (int nthreads) 1327max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1328 PROTOTYPE: $
833 CODE: 1329 CODE:
834 eio_set_max_parallel (nthreads); 1330 eio_set_max_parallel (nthreads);
835 1331
836void 1332void
837max_idle (int nthreads) 1333max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1334 PROTOTYPE: $
839 CODE: 1335 CODE:
840 eio_set_max_idle (nthreads); 1336 eio_set_max_idle (nthreads);
841 1337
842void 1338void
1339idle_timeout (unsigned int seconds)
1340 PROTOTYPE: $
1341 CODE:
1342 eio_set_idle_timeout (seconds);
1343
1344void
843max_outstanding (int maxreqs) 1345max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1346 PROTOTYPE: $
845 CODE: 1347 CODE:
846 max_outstanding = maxreqs; 1348 max_outstanding = maxreqs;
847 1349
848void 1350void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1351aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1352 PPCODE:
852{ 1353{
853 dREQ; 1354 dREQ;
854 1355
1356 req->type = EIO_WD_OPEN;
1357 req_set_path1 (req, pathname);
1358
1359 REQ_SEND;
1360}
1361
1362void
1363aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1364 PPCODE:
1365{
1366 dREQ;
1367
855 req->type = EIO_OPEN; 1368 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1369 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1370 req->int1 = flags;
859 req->int2 = mode; 1371 req->int2 = mode;
860 1372
861 REQ_SEND; 1373 REQ_SEND;
862} 1374}
863 1375
864void 1376void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1377aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1378 ALIAS:
868 aio_fsync = EIO_FSYNC 1379 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1380 aio_fdatasync = EIO_FDATASYNC
1381 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1382 PPCODE:
871{ 1383{
872 int fd = s_fileno_croak (fh, 0); 1384 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1385 dREQ;
874 1386
875 req->type = ix; 1387 req->type = ix;
876 req->sv1 = newSVsv (fh); 1388 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1389 req->int1 = fd;
878 1390
879 REQ_SEND (req); 1391 REQ_SEND;
880} 1392}
881 1393
882void 1394void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1395aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1396 PPCODE:
886{ 1397{
887 int fd = s_fileno_croak (fh, 0); 1398 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1399 dREQ;
889 1400
890 req->type = EIO_SYNC_FILE_RANGE; 1401 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1402 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1403 req->int1 = fd;
893 req->offs = offset; 1404 req->offs = offset;
894 req->size = nbytes; 1405 req->size = nbytes;
895 req->int2 = flags; 1406 req->int2 = flags;
896 1407
897 REQ_SEND (req); 1408 REQ_SEND;
898} 1409}
899 1410
900void 1411void
901aio_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)
902 PROTOTYPE: $;$
903 PPCODE: 1413 PPCODE:
904{ 1414{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1415 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1416 dREQ;
908 1417
909 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))
910 { 1437 {
911 int pipefd [2]; 1438 int pipefd [2];
912 1439
1440 if (
1441#ifdef _WIN32
1442 _pipe (pipefd, 1, _O_BINARY) < 0
1443#else
913 if (pipe (pipefd) < 0 1444 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || 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 )
916 abort (); /*D*/ 1449 abort (); /*D*/
917 1450
918 close_pipe = pipefd [0]; 1451 close_fd = pipefd [0];
919 } 1452 }
920 1453
921 req->type = EIO_DUP2; 1454 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1455 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1456 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1457 req->int2 = fd;
925 1458
926 REQ_SEND (req); 1459 REQ_SEND;
927} 1460}
928 1461
929void 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
930aio_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)
931 ALIAS: 1480 ALIAS:
932 aio_read = EIO_READ 1481 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1482 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1483 PPCODE:
936{ 1484{
937 STRLEN svlen; 1485 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1486 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1487 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1500 len = svlen - dataoffset;
953 } 1501 }
954 else 1502 else
955 { 1503 {
956 /* read: check type and grow scalar as necessary */ 1504 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1505 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1506 svptr = sv_grow (data, len + dataoffset + 1);
1507 else if (SvCUR (data) < len + dataoffset)
1508 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1509 }
960 1510
961 { 1511 {
962 dREQ; 1512 dREQ;
963 1513
… …
979 REQ_SEND; 1529 REQ_SEND;
980 } 1530 }
981} 1531}
982 1532
983void 1533void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1534aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1535 ALIAS:
1536 aio_ioctl = EIO_IOCTL
1537 aio_fcntl = EIO_FCNTL
986 PPCODE: 1538 PPCODE:
987{ 1539{
988 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{
989 dREQ; 1580 dREQ;
990 1581
991 req->type = EIO_READLINK; 1582 req->type = ix;
992 req->sv1 = newSVsv (path); 1583 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1584
995 REQ_SEND; 1585 REQ_SEND;
996} 1586}
997 1587
998void 1588void
999aio_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)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1590 PPCODE:
1002{ 1591{
1003 int ifd = s_fileno_croak (in_fh , 0); 1592 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1593 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1594 dREQ;
1006 1595
1007 req->type = EIO_SENDFILE; 1596 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1597 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1598 req->int1 = ofd;
… …
1014 1603
1015 REQ_SEND; 1604 REQ_SEND;
1016} 1605}
1017 1606
1018void 1607void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1608aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1609 PPCODE:
1022{ 1610{
1023 int fd = s_fileno_croak (fh, 0); 1611 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1612 dREQ;
1025 1613
1026 req->type = EIO_READAHEAD; 1614 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1615 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1616 req->int1 = fd;
… …
1031 1619
1032 REQ_SEND; 1620 REQ_SEND;
1033} 1621}
1034 1622
1035void 1623void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1624aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1625 ALIAS:
1038 aio_stat = EIO_STAT 1626 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1627 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1628 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1629 PPCODE:
1042{ 1630{
1043 dREQ; 1631 dREQ;
1044 1632
1045 req->sv1 = newSVsv (fh_or_path); 1633 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047 if (SvPOK (req->sv1))
1048 {
1049 req->type = ix;
1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
1051 }
1052 else
1053 {
1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056 }
1057 1634
1058 REQ_SEND; 1635 REQ_SEND;
1059} 1636}
1060 1637
1061void 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
1062aio_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)
1063 PPCODE: 1682 PPCODE:
1064{ 1683{
1065 dREQ; 1684 dREQ;
1066 1685
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1686 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1687 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1688 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071 if (SvPOK (req->sv1))
1072 {
1073 req->type = EIO_UTIME;
1074 req->ptr1 = SvPVbyte_nolen (req->sv1);
1075 }
1076 else
1077 {
1078 req->type = EIO_FUTIME;
1079 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080 }
1081 1689
1082 REQ_SEND; 1690 REQ_SEND;
1083} 1691}
1084 1692
1085void 1693void
1086aio_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)
1087 PPCODE: 1695 PPCODE:
1088{ 1696{
1089 dREQ; 1697 dREQ;
1090 1698
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1699 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1700 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094 if (SvPOK (req->sv1))
1095 {
1096 req->type = EIO_TRUNCATE;
1097 req->ptr1 = SvPVbyte_nolen (req->sv1);
1098 }
1099 else
1100 {
1101 req->type = EIO_FTRUNCATE;
1102 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103 }
1104 1701
1105 REQ_SEND; 1702 REQ_SEND;
1106} 1703}
1107 1704
1108void 1705void
1109aio_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)
1110 ALIAS:
1111 aio_chmod = EIO_CHMOD
1112 aio_mkdir = EIO_MKDIR
1113 PPCODE: 1707 PPCODE:
1114{ 1708{
1115 dREQ; 1709 dREQ;
1116 1710
1117 req->int2 = mode; 1711 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1712 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120 if (SvPOK (req->sv1))
1121 {
1122 req->type = ix;
1123 req->ptr1 = SvPVbyte_nolen (req->sv1);
1124 }
1125 else
1126 {
1127 req->type = EIO_FCHMOD;
1128 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129 }
1130 1713
1131 REQ_SEND; 1714 REQ_SEND;
1132} 1715}
1133 1716
1134void 1717void
1135aio_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)
1136 PPCODE: 1719 PPCODE:
1137{ 1720{
1138 dREQ; 1721 dREQ;
1139 1722
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1723 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1724 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1725 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144 if (SvPOK (req->sv1))
1145 {
1146 req->type = EIO_CHOWN;
1147 req->ptr1 = SvPVbyte_nolen (req->sv1);
1148 }
1149 else
1150 {
1151 req->type = EIO_FCHOWN;
1152 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153 }
1154 1726
1155 REQ_SEND; 1727 REQ_SEND;
1156} 1728}
1157 1729
1158void 1730void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1731aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1732 PPCODE:
1161{ 1733{
1162 dREQ; 1734 dREQ;
1163 1735
1164 req->type = EIO_READDIR; 1736 req->type = EIO_READDIR;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1737 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1738
1169 if (flags & EIO_READDIR_DENTS) 1739 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1740 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1741
1742 req_set_path1 (req, pathname);
1743
1172 REQ_SEND; 1744 REQ_SEND;
1173} 1745}
1174 1746
1175void 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
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1761aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1762 ALIAS:
1178 aio_unlink = EIO_UNLINK 1763 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1764 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1765 aio_readdir = EIO_READDIR
1181 PPCODE: 1766 PPCODE:
1182{ 1767{
1183 dREQ; 1768 dREQ;
1184 1769
1185 req->type = ix; 1770 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1771 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1772
1189 REQ_SEND; 1773 REQ_SEND;
1190} 1774}
1191 1775
1192void 1776void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1777aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1778 ALIAS:
1195 aio_link = EIO_LINK 1779 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1780 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1781 aio_rename = EIO_RENAME
1198 PPCODE: 1782 PPCODE:
1199{ 1783{
1784 eio_wd wd2 = 0;
1200 dREQ; 1785 dREQ;
1201 1786
1202 req->type = ix; 1787 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1788 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1789 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1790 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1791
1208 REQ_SEND; 1792 REQ_SEND;
1209} 1793}
1210 1794
1211void 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
1212aio_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)
1213 PPCODE: 1813 PPCODE:
1214{ 1814{
1215 dREQ; 1815 dREQ;
1216 1816
1217 req->type = EIO_MKNOD; 1817 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1818 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1819 req->offs = dev;
1820 req_set_path1 (req, pathname);
1222 1821
1223 REQ_SEND; 1822 REQ_SEND;
1224} 1823}
1225 1824
1226void 1825void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1826aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1827 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1828 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1829 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1830 PPCODE:
1233{ 1831{
1234 STRLEN svlen; 1832 STRLEN svlen;
1833 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1834 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1835
1836 if (flags < 0)
1837 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1838
1238 if (offset < 0) 1839 if (offset < 0)
1239 offset += svlen; 1840 offset += svlen;
1240 1841
1241 if (offset < 0 || offset > svlen) 1842 if (offset < 0 || offset > svlen)
… …
1246 1847
1247 { 1848 {
1248 dREQ; 1849 dREQ;
1249 1850
1250 req->type = ix; 1851 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1852 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1853 req->ptr2 = (char *)svptr + offset;
1854 req->size = len;
1254 req->int1 = flags; 1855 req->int1 = flags;
1255 1856
1256 REQ_SEND; 1857 REQ_SEND;
1257 } 1858 }
1258} 1859}
1259 1860
1260void 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
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1964aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1965 PPCODE:
1263{ 1966{
1264 dREQ; 1967 dREQ;
1265 1968
1266 req->type = EIO_BUSY; 1969 req->type = EIO_BUSY;
… …
1268 1971
1269 REQ_SEND; 1972 REQ_SEND;
1270} 1973}
1271 1974
1272void 1975void
1273aio_group (SV *callback=&PL_sv_undef) 1976aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1977 PPCODE:
1276{ 1978{
1277 dREQ; 1979 dREQ;
1278 1980
1279 req->type = EIO_GROUP; 1981 req->type = EIO_GROUP;
1280 1982
1983 PUTBACK;
1281 req_submit (req); 1984 req_submit (req);
1985 SPAGAIN;
1986
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1987 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1988}
1284 1989
1285void 1990void
1286aio_nop (SV *callback=&PL_sv_undef) 1991aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1992 ALIAS:
1288 aio_nop = EIO_NOP 1993 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1994 aio_sync = EIO_SYNC
1290 PPCODE: 1995 PPCODE:
1291{ 1996{
… …
1295 2000
1296 REQ_SEND; 2001 REQ_SEND;
1297} 2002}
1298 2003
1299int 2004int
1300aioreq_pri (int pri = 0) 2005aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 2006 CODE:
1303 RETVAL = next_pri; 2007 RETVAL = next_pri;
1304 if (items > 0) 2008 if (items > 0)
1305 { 2009 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2010 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2022 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 2023 next_pri = nice;
1320 2024
1321void 2025void
1322flush () 2026flush ()
1323 PROTOTYPE:
1324 CODE: 2027 CODE:
1325 while (eio_nreqs ()) 2028 while (eio_nreqs ())
1326 { 2029 {
1327 poll_wait (); 2030 poll_wait ();
1328 poll_cb (); 2031 poll_cb ();
1329 } 2032 }
1330 2033
1331int 2034int
1332poll() 2035poll ()
1333 PROTOTYPE:
1334 CODE: 2036 CODE:
1335 poll_wait (); 2037 poll_wait ();
1336 RETVAL = poll_cb (); 2038 RETVAL = poll_cb ();
1337 OUTPUT: 2039 OUTPUT:
1338 RETVAL 2040 RETVAL
1339 2041
1340int 2042int
1341poll_fileno() 2043poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 2044 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 2045 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 2046 OUTPUT:
1346 RETVAL 2047 RETVAL
1347 2048
1348int 2049int
1349poll_cb(...) 2050poll_cb (...)
1350 PROTOTYPE: 2051 PROTOTYPE:
1351 CODE: 2052 CODE:
1352 RETVAL = poll_cb (); 2053 RETVAL = poll_cb ();
1353 OUTPUT: 2054 OUTPUT:
1354 RETVAL 2055 RETVAL
1355 2056
1356void 2057void
1357poll_wait() 2058poll_wait ()
1358 PROTOTYPE:
1359 CODE: 2059 CODE:
1360 poll_wait (); 2060 poll_wait ();
1361 2061
1362int 2062int
1363nreqs() 2063nreqs ()
1364 PROTOTYPE:
1365 CODE: 2064 CODE:
1366 RETVAL = eio_nreqs (); 2065 RETVAL = eio_nreqs ();
1367 OUTPUT: 2066 OUTPUT:
1368 RETVAL 2067 RETVAL
1369 2068
1370int 2069int
1371nready() 2070nready ()
1372 PROTOTYPE:
1373 CODE: 2071 CODE:
1374 RETVAL = eio_nready (); 2072 RETVAL = eio_nready ();
1375 OUTPUT: 2073 OUTPUT:
1376 RETVAL 2074 RETVAL
1377 2075
1378int 2076int
1379npending() 2077npending ()
1380 PROTOTYPE:
1381 CODE: 2078 CODE:
1382 RETVAL = eio_npending (); 2079 RETVAL = eio_npending ();
1383 OUTPUT: 2080 OUTPUT:
1384 RETVAL 2081 RETVAL
1385 2082
1386int 2083int
1387nthreads() 2084nthreads ()
1388 PROTOTYPE:
1389 CODE: 2085 CODE:
1390 RETVAL = eio_nthreads (); 2086 RETVAL = eio_nthreads ();
1391 OUTPUT: 2087 OUTPUT:
1392 RETVAL 2088 RETVAL
1393 2089
1394int 2090int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2091fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 2092 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 2093 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 2094 OUTPUT:
1400 RETVAL 2095 RETVAL
1401 2096
1402ssize_t 2097IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2098sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2099 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2100 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2101 OUTPUT:
1408 RETVAL 2102 RETVAL
1409 2103
1410void 2104void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2105mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2106 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2107 sv_clear_foreign (scalar);
1415{ 2108{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2109 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2110 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2111 if (addr == (void *)-1)
1419 XSRETURN_NO; 2112 XSRETURN_NO;
1420 2113
1421 sv_force_normal (scalar); 2114 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2115
1429 if (!(prot & PROT_WRITE)) 2116 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2117 SvREADONLY_on (scalar);
1431 2118
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2119 XSRETURN_YES;
1441} 2120}
1442 2121
1443void 2122void
1444munmap (SV *scalar) 2123munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2124 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2125 sv_clear_foreign (scalar);
1448 2126
1449int 2127SV *
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2128mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1451 PROTOTYPE: $$$$ 2129 CODE:
1452 CODE:
1453{ 2130{
1454 char *addr = SvPV_nolen (scalar) + offset; 2131 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2132 void *new;
1455 2133
1456 if (!SvOK (ST (2))) 2134 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1457 length = SvCUR (scalar) - offset; 2135 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1458 2136
1459 if (addr >= SvEND (scalar) || length <= 0) 2137 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1460 XSRETURN_EMPTY;
1461 2138
1462 RETVAL = posix_madvise (addr, length, advice); 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 }
1463} 2153}
1464 OUTPUT: 2154 OUTPUT:
1465 RETVAL 2155 RETVAL
1466 2156
1467int 2157int
1468mlockall (int flags) 2158madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2159 ALIAS:
2160 mprotect = 1
1470 CODE: 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);
1471#if _POSIX_MEMLOCK 2207#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2208 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2209#else
1478 RETVAL = -1; 2210 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2211#endif
2212}
1481 OUTPUT: 2213 OUTPUT:
1482 RETVAL 2214 RETVAL
1483 2215
1484int 2216int
1485munlockall () 2217munlockall ()
1486 PROTOTYPE:
1487 CODE: 2218 CODE:
1488#if _POSIX_MEMLOCK 2219#if _POSIX_MEMLOCK
1489 munlockall (); 2220 munlockall ();
1490#else 2221#else
1491 RETVAL = -1; 2222 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2223#endif
1494 OUTPUT: 2224 OUTPUT:
1495 RETVAL 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}
1496 2441
1497void _on_next_submit (SV *cb) 2442void _on_next_submit (SV *cb)
1498 CODE: 2443 CODE:
1499 SvREFCNT_dec (on_next_submit); 2444 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2445 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2446
1502PROTOTYPES: DISABLE 2447PROTOTYPES: DISABLE
1503 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
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2477MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2478
1506void 2479void
1507cancel (aio_req_ornot req) 2480cancel (aio_req_ornot req)
1508 CODE: 2481 CODE:
1509 eio_cancel (req); 2482 eio_cancel (req);
1510 2483
1511void 2484void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2485cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2486 PPCODE:
1514{ 2487{
1515 if (GIMME_V != G_VOID) 2488 if (GIMME_V != G_VOID)
1516 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);
1517 2490
1518 if (items > 1) 2491 if (items > 1)
1519 { 2492 {
1520 SV *cb_cv =get_cb (callback); 2493 SV *cb_cv = get_cb (callback);
1521 2494
1522 SvREFCNT_dec (req->callback); 2495 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2496 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2497 }
1525} 2498}
… …
1582limit (aio_req grp, int limit) 2555limit (aio_req grp, int limit)
1583 CODE: 2556 CODE:
1584 eio_grp_limit (grp, limit); 2557 eio_grp_limit (grp, limit);
1585 2558
1586void 2559void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2560feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2561 CODE:
1589{ 2562{
1590 SvREFCNT_dec (grp->sv2); 2563 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2564 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2565 grp->feed = aio_grp_feed;

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