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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC vs.
Revision 1.269 by root, Thu Nov 29 21:48:44 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
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 23/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 24 * to implement any linux standard apis, and also has no way to test
25 * for his broken iplementation. don't complain to me if this fails
26 * for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
23#endif 35#endif
24 36
25/* perl namespace pollution */ 37/* perl namespace pollution */
26#undef VERSION 38#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 39
77/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
79#undef readdir 42#undef readdir
80#undef opendir 43#undef opendir
81#undef closedir 44#undef closedir
82 45
46#ifdef _WIN32
47
48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
52 #undef open
53 #undef read
54 #undef write
55 #undef send
56 #undef recv
57 #undef stat
58 #undef lstat
59 #undef fstat
60 #undef truncate
61 #undef ftruncate
62 #undef open
63 #undef link
64 #undef close
65 #undef unlink
66 #undef mkdir
67 #undef rmdir
68 #undef rename
69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
79 #undef utime
80
81 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 82 #define EIO_STRUCT_STATI64
84 83
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 84#else
91# define VAL64 NV 85
92# define SvVAL64 SvNV 86 #include <sys/time.h>
93# define newSVval64 newSVnv 87 #include <sys/select.h>
88 #include <unistd.h>
89 #include <utime.h>
90 #include <signal.h>
91
92 #define EIO_STRUCT_STAT Stat_t
93
94#endif 94#endif
95 95
96/*****************************************************************************/ 96/*****************************************************************************/
97 97
98#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
106 106
107/*****************************************************************************/ 107/*****************************************************************************/
108 108
109#include "config.h"
110
111#if HAVE_SYS_MKDEV_H
112# include <sys/mkdev.h>
113#elif HAVE_SYS_SYSMACROS_H
114# include <sys/sysmacros.h>
115#endif
116
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h>
119#endif
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
166
109typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
112 170
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 172
115#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
116 SV *callback; \ 174 SV *callback; \
117 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 177 STRLEN stroffset; \
119 SV *self; 178 SV *self;
120 179
121#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
122 181
123#include "libeio/config.h"
124#include "libeio/eio.h" 182#include "libeio/eio.h"
125 183
126#ifndef POSIX_FADV_NORMAL 184static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 185#define EIO_FINISH(req) req_invoke (req)
128#endif 186static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 187#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 188
131#endif 189#include "libeio/eio.c"
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
144 190
145#if !HAVE_POSIX_FADVISE 191#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 193#endif
148 194
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE 195#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 196# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif 197#endif
212 198
213#ifndef MAP_ANONYMOUS 199#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON 200# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON 201# define MAP_ANONYMOUS MAP_ANON
216# else 202# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif 204# endif
219#endif 205#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235 206
207#ifndef makedev
208# define makedev(maj,min) (((maj) << 8) | (min))
209#endif
210#ifndef major
211# define major(dev) ((dev) >> 8)
212#endif
213#ifndef minor
214# define minor(dev) ((dev) & 0xff)
215#endif
216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
236#ifndef PAGESIZE 219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
237# define PAGESIZE sysconf (_SC_PAGESIZE) 223# define PAGESIZE sysconf (_SC_PAGESIZE)
238#endif 224#endif
239 225
240static int req_invoke (eio_req *req); 226/*****************************************************************************/
241#define EIO_FINISH(req) req_invoke (req) 227
242static void req_destroy (eio_req *grp); 228#if !_POSIX_MAPPED_FILES
243#define EIO_DESTROY(req) req_destroy (req) 229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
326
327/*****************************************************************************/
328
329static void
330fiemap (eio_req *req)
331{
332 req->result = -1;
333
334#if HAVE_FIEMAP
335 /* assume some c99 */
336 struct fiemap *fiemap = 0;
337 size_t end_offset;
338 int count = req->int3;
339
340 req->flags |= EIO_FLAG_PTR1_FREE;
341
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */
344 if (count < 0)
345 count = 8;
346
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM;
349 if (!fiemap)
350 return;
351
352 req->ptr1 = fiemap;
353
354 fiemap->fm_start = req->offs;
355 fiemap->fm_length = req->size;
356 fiemap->fm_flags = req->int2;
357 fiemap->fm_extent_count = count;
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
360 return;
361
362 if (req->int3 >= 0 /* not autosizing */
363 || !fiemap->fm_mapped_extents /* no more extents */
364 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
365 goto done;
366
367 /* else we have to loop -
368 * it would be tempting (actually I tried that first) to just query the
369 * number of extents needed, but linux often feels like not returning all
370 * extents, without telling us it left any out. this complicates
371 * this quite a bit.
372 */
373
374 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
375
376 for (;;)
377 {
378 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
379 char scratch[3072];
380 struct fiemap *incmap = (struct fiemap *)scratch;
381
382 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
383 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
384 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
385 incmap->fm_flags = fiemap->fm_flags;
386 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
387
388 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
389 return;
390
391 if (!incmap->fm_mapped_extents)
392 goto done;
393
394 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
395 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
396 errno = ENOMEM;
397 if (!fiemap)
398 return;
399
400 req->ptr1 = fiemap;
401
402 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 {
404 struct fiemap_extent *e = incmap->fm_extents + count;
405
406 if (e->fe_logical + e->fe_length >= end_offset)
407 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410
411 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done;
413
414 }
415 }
416
417done:
418 req->result = 0;
419
420#else
421 errno = ENOSYS;
422#endif
423}
424
425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
244 428
245enum { 429enum {
246 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247}; 431};
248 432
249#include "libeio/eio.c"
250
251typedef eio_req *aio_req; 433typedef eio_req *aio_req;
252typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
253 436
254static SV *on_next_submit; 437static SV *on_next_submit;
255static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
256static int max_outstanding; 439static int max_outstanding;
257 440
258static s_epipe respipe; 441static s_epipe respipe;
259 442
260static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
261static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
262 445
263static void want_poll (void) 446static void
447want_poll (void)
264{ 448{
265 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
266 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
267} 451}
268 452
269static void done_poll (void) 453static void
454done_poll (void)
270{ 455{
271 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
272 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
273} 458}
274 459
275/* must be called at most once */ 460/* must be called at most once */
461static SV *
276static SV *req_sv (aio_req req, HV *stash) 462req_sv (aio_req req, HV *stash)
277{ 463{
278 if (!req->self) 464 if (!req->self)
279 { 465 {
280 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282 } 468 }
283 469
284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285} 471}
286 472
287static aio_req SvAIO_REQ (SV *sv) 473static SV *
474newSVaio_wd (aio_wd wd)
475{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477}
478
479static aio_req
480SvAIO_REQ (SV *sv)
288{ 481{
289 MAGIC *mg; 482 MAGIC *mg;
290 483
291 if (!SvROK (sv) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash 486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash 487 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ"))) 488 && !sv_derived_from (sv, "IO::AIO::REQ")))
295 croak ("object of class IO::AIO::REQ expected"); 489 croak ("object of class IO::AIO::REQ expected");
296 490
297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298 492
299 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
300} 494}
301 495
496static aio_wd
497SvAIO_WD (SV *sv)
498{
499 if (!SvROK (sv)
500 || SvTYPE (SvRV (sv)) != SVt_PVMG
501 || SvSTASH (SvRV (sv)) != aio_wd_stash)
502 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
503
504 return (aio_wd)(long)SvIVX (SvRV (sv));
505}
506
507static SV *
508newmortalFH (int fd, int flags)
509{
510 if (fd < 0)
511 return &PL_sv_undef;
512
513 GV *gv = (GV *)sv_newmortal ();
514 char sym[64];
515 int symlen;
516
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
518 gv_init (gv, aio_stash, sym, symlen, 0);
519
520 symlen = snprintf (
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 fd
526 );
527
528 return do_open (gv, sym, symlen, 0, 0, 0, 0)
529 ? (SV *)gv : &PL_sv_undef;
530}
531
532static void
302static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
303{ 534{
304 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
305 { 536 {
306 dSP; 537 dSP;
307 538
… …
315 FREETMPS; 546 FREETMPS;
316 LEAVE; 547 LEAVE;
317 } 548 }
318} 549}
319 550
551static void
320static void req_submit (eio_req *req) 552req_submit (eio_req *req)
321{ 553{
322 eio_submit (req); 554 eio_submit (req);
323 555
324 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
325 { 557 {
… …
332 PUTBACK; 564 PUTBACK;
333 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
334 } 566 }
335} 567}
336 568
569static int
337static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
338{ 571{
339 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
340 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
341 574
342 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
… …
353 /* do not recreate the result IV from scratch each time */ 586 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache)) 587 if (expect_true (sv_result_cache))
355 { 588 {
356 sv_result = sv_result_cache; sv_result_cache = 0; 589 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result); 590 SvIV_set (sv_result, req->result);
591 SvIOK_only (sv_result);
358 } 592 }
359 else 593 else
360 { 594 {
361 sv_result = newSViv (req->result); 595 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result); 596 SvREADONLY_on (sv_result);
363 } 597 }
364 598
365 switch (req->type) 599 switch (req->type)
366 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
367 case EIO_READDIR: 605 case EIO_READDIR:
368 { 606 {
369 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
370 608
371 if (req->result >= 0) 609 if (req->result >= 0)
… …
424 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
425 } 663 }
426 break; 664 break;
427 665
428 case EIO_OPEN: 666 case EIO_OPEN:
429 { 667 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
430 /* convert fd to fh */
431 SV *fh = &PL_sv_undef;
432
433 if (req->result >= 0)
434 {
435 GV *gv = (GV *)sv_newmortal ();
436 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
437 char sym [64];
438 int symlen;
439
440 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
441 gv_init (gv, aio_stash, sym, symlen, 0);
442
443 symlen = snprintf (
444 sym,
445 sizeof (sym),
446 "%s&=%d",
447 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
448 (int)req->result
449 );
450
451 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
452 fh = (SV *)gv;
453 }
454
455 PUSHs (fh);
456 }
457 break; 668 break;
458 669
459 case EIO_STATVFS: 670 case EIO_STATVFS:
460 case EIO_FSTATVFS: 671 case EIO_FSTATVFS:
461 { 672 {
462 SV *rv = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
463 674
675#ifndef _WIN32
464 if (req->result >= 0) 676 if (req->result >= 0)
465 { 677 {
466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467 HV *hv = newHV (); 679 HV *hv = newHV ();
680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
681 * chooses to make it a struct.
682 */
683 unsigned long fsid = 0;
684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
468 685
469 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
470 687
471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 689 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 691 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
475 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 692 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
476 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 693 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
477 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 694 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
478 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 695 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
479 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 696 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
480 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 697 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
481 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 698 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
482 } 699 }
700#endif
483 701
484 PUSHs (rv); 702 PUSHs (rv);
485 } 703 }
486 704
487 break; 705 break;
… …
503 case EIO_NOP: 721 case EIO_NOP:
504 case EIO_BUSY: 722 case EIO_BUSY:
505 break; 723 break;
506 724
507 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
508 if (req->result > 0) 727 if (req->result > 0)
509 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
510 break; 729 break;
511 730
512 case EIO_STAT: 731 case EIO_STAT:
513 case EIO_LSTAT: 732 case EIO_LSTAT:
514 case EIO_FSTAT: 733 case EIO_FSTAT:
515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
516 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
739
518 PUSHs (sv_result); 740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
519 break; 745 break;
520 746
521 case EIO_READ: 747 case EIO_READ:
522 { 748 {
523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 749 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
526 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
527 PUSHs (sv_result); 753 PUSHs (sv_result);
528 } 754 }
529 break; 755 break;
530 756
757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
781 case EIO_CUSTOM:
782 if (req->feed == fiemap)
783 {
784#if HAVE_FIEMAP
785 if (!req->result)
786 {
787 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
788
789 if (fiemap->fm_extent_count)
790 {
791 AV *av = newAV ();
792 int i;
793
794 while (fiemap->fm_mapped_extents)
795 {
796 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
797 AV *ext_av = newAV ();
798
799 av_store (ext_av, 3, newSVuv (extent->fe_flags));
800 av_store (ext_av, 2, newSVval64 (extent->fe_length));
801 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
802 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
803
804 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
805 }
806
807 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
808 }
809 else
810 {
811 SvIV_set (sv_result, fiemap->fm_mapped_extents);
812 PUSHs (sv_result);
813 }
814 }
815#endif
816 }
817 else
818 PUSHs (sv_result);
819 break;
820
531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
532 if (req->result > 0) 822 if (req->result > 0)
533 SvIV_set (sv_result, 0); 823 SvIV_set (sv_result, 0);
534 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
535 825
536 default: 826 default:
… …
556 } 846 }
557 847
558 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
559} 849}
560 850
851static void
561static void req_destroy (aio_req req) 852req_destroy (aio_req req)
562{ 853{
563 if (req->self) 854 if (req->self)
564 { 855 {
565 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
566 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
567 } 858 }
568 859
569 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
570 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
571 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
572 865
573 Safefree (req); 866 free (req);
574} 867}
575 868
869static void
576static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
577{ 871{
578 aio_req sub;
579
580 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
581 return; 873 return;
582 874
583 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
584 grp->sv2 = 0; 876 grp->sv2 = 0;
585 877
586 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
587} 879}
588 880
589static void 881static void ecb_cold
590create_respipe (void) 882create_respipe (void)
591{ 883{
592 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
593 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
594} 886}
595 887
596static void poll_wait (void) 888static void
889poll_wait (void)
597{ 890{
598 while (eio_nreqs ()) 891 while (eio_nreqs ())
599 { 892 {
600 int size; 893 int size;
601 894
602 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
603 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
604 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
605 898
606 if (size) 899 if (size)
607 return; 900 return;
608 901
609 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
610 903
611 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
612 } 905 }
613} 906}
614 907
615static int poll_cb (void) 908static int
909poll_cb (void)
616{ 910{
617 for (;;) 911 for (;;)
618 { 912 {
619 int res = eio_poll (); 913 int res = eio_poll ();
620 914
… …
626 920
627 poll_wait (); 921 poll_wait ();
628 } 922 }
629} 923}
630 924
631static void atfork_child (void) 925static void ecb_cold
926reinit (void)
632{ 927{
633 create_respipe (); 928 create_respipe ();
634}
635 929
636/*****************************************************************************/ 930 if (eio_init (want_poll, done_poll) < 0)
637 931 croak ("IO::AIO: unable to initialise eio library");
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670} 932}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675 933
676/*****************************************************************************/ 934/*****************************************************************************/
677 935
678static SV * 936static SV *
679get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
680{ 938{
681 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
682 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
683} 941}
684 942
943static aio_req ecb_noinline
944dreq (SV *callback)
945{
946 SV *cb_cv;
947 aio_req req;
948 int req_pri = next_pri;
949 next_pri = EIO_PRI_DEFAULT;
950
951 cb_cv = get_cb (callback);
952
953 req = calloc (sizeof (*req), 1);
954 if (!req)
955 croak ("out of memory during eio_req allocation");
956
957 req->callback = SvREFCNT_inc (cb_cv);
958 req->pri = req_pri;
959
960 return req;
961}
962
685#define dREQ \ 963#define dREQ \
686 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
687 aio_req req; \
688 int req_pri = next_pri; \
689 next_pri = EIO_PRI_DEFAULT; \
690 \
691 cb_cv = get_cb (callback); \
692 \
693 Newz (0, req, 1, eio_req); \
694 if (!req) \
695 croak ("out of memory during eio_req allocation"); \
696 \
697 req->callback = SvREFCNT_inc (cb_cv); \
698 req->pri = req_pri
699 965
700#define REQ_SEND \ 966#define REQ_SEND \
701 PUTBACK; \ 967 PUTBACK; \
702 req_submit (req); \ 968 req_submit (req); \
703 SPAGAIN; \ 969 SPAGAIN; \
704 \ 970 \
705 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
706 XPUSHs (req_sv (req, aio_req_stash)); 972 XPUSHs (req_sv (req, aio_req_stash));
707 973
974ecb_inline void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{
977 if (expect_false (SvROK (path)))
978 {
979 SV *rv = SvRV (path);
980 SV *wdob;
981
982 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
983 {
984 path = AvARRAY (rv)[1];
985 wdob = AvARRAY (rv)[0];
986
987 if (SvOK (wdob))
988 {
989 *wd = SvAIO_WD (wdob);
990 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
991 }
992 else
993 *wd = EIO_INVALID_WD;
994 }
995 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
996 {
997 *wd = (aio_wd)(long)SvIVX (rv);
998 *wdsv = SvREFCNT_inc_NN (rv);
999 *ptr = ".";
1000 return; /* path set to "." */
1001 }
1002 else
1003 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1004 }
1005
1006 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv);
1008}
1009
1010static void ecb_noinline
1011req_set_path1 (aio_req req, SV *path)
1012{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014}
1015
1016static void ecb_noinline
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020
1021 switch (SvTYPE (rv))
1022 {
1023 case SVt_PVIO:
1024 case SVt_PVLV:
1025 case SVt_PVGV:
1026 req->type = type_fh;
1027 req->sv1 = newSVsv (fh_or_path);
1028 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1029 break;
1030
1031 default:
1032 req->type = type_path;
1033 req_set_path1 (req, fh_or_path);
1034 break;
1035 }
1036}
1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
1055XS(boot_IO__AIO) ecb_cold;
1056
708MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
709 1058
710PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
711 1060
712BOOT: 1061BOOT:
… …
716 IV iv; 1065 IV iv;
717 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
718# define const_niv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
719# define const_iv(name) { # name, (IV) name }, 1068# define const_iv(name) { # name, (IV) name },
720# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
1073 const_iv (ENOSYS)
721 const_iv (EXDEV) 1074 const_iv (EXDEV)
722 const_iv (ENOSYS) 1075 const_iv (EBADR)
1076
1077 /* for lseek */
1078 const_iv (SEEK_DATA)
1079 const_iv (SEEK_HOLE)
1080
1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1086 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1087
1088 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1089 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1093
1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
723 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
724 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
725 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
726 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
727 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
728 const_iv (O_EXCL) 1102 const_iv (O_EXCL)
729 const_iv (O_APPEND) 1103 const_iv (O_APPEND)
730#ifndef _WIN32 1104
1105 const_iv (O_ASYNC)
1106 const_iv (O_DIRECT)
1107 const_iv (O_NOATIME)
1108
1109 const_iv (O_CLOEXEC)
1110 const_iv (O_NOCTTY)
1111 const_iv (O_NOFOLLOW)
1112 const_iv (O_NONBLOCK)
1113 const_iv (O_EXEC)
1114 const_iv (O_SEARCH)
1115 const_iv (O_DIRECTORY)
1116 const_iv (O_DSYNC)
1117 const_iv (O_RSYNC)
1118 const_iv (O_SYNC)
1119 const_iv (O_PATH)
1120 const_iv (O_TMPFILE)
1121 const_iv (O_TTY_INIT)
1122
731 const_iv (S_IFIFO) 1123 const_iv (S_IFIFO)
732#endif 1124 const_iv (S_IFCHR)
733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1125 const_iv (S_IFBLK)
734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1126 const_iv (S_IFLNK)
735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1127 const_iv (S_IFREG)
736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1128 const_iv (S_IFDIR)
737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1129 const_iv (S_IFWHT)
738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1130 const_iv (S_IFSOCK)
739 1131 const_iv (S_IFMT)
740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745 1132
746 const_iv (ST_RDONLY) 1133 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID) 1134 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV) 1135 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC) 1136 const_iv (ST_NOEXEC)
… …
759 const_iv (PROT_NONE) 1146 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC) 1147 const_iv (PROT_EXEC)
761 const_iv (PROT_READ) 1148 const_iv (PROT_READ)
762 const_iv (PROT_WRITE) 1149 const_iv (PROT_WRITE)
763 1150
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE) 1151 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED) 1152 const_iv (MAP_SHARED)
1153 const_iv (MAP_FIXED)
767 const_iv (MAP_ANONYMOUS) 1154 const_iv (MAP_ANONYMOUS)
768 1155
769 /* linuxish */ 1156 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED) 1157 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE) 1158 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE) 1159 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK) 1160 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK)
1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
1234
1235 const_iv (FIEMAP_FLAG_SYNC)
1236 const_iv (FIEMAP_FLAG_XATTR)
1237 const_iv (FIEMAP_FLAGS_COMPAT)
1238 const_iv (FIEMAP_EXTENT_LAST)
1239 const_iv (FIEMAP_EXTENT_UNKNOWN)
1240 const_iv (FIEMAP_EXTENT_DELALLOC)
1241 const_iv (FIEMAP_EXTENT_ENCODED)
1242 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1243 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1244 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1245 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1246 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1247 const_iv (FIEMAP_EXTENT_MERGED)
1248 const_iv (FIEMAP_EXTENT_SHARED)
1249
1250 const_iv (SPLICE_F_MOVE)
1251 const_iv (SPLICE_F_NONBLOCK)
1252 const_iv (SPLICE_F_MORE)
1253 const_iv (SPLICE_F_GIFT)
1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1271 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END)
775 1275
776 const_eio (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
778 1279
779 const_eio (MS_ASYNC) 1280 const_eio (MS_ASYNC)
780 const_eio (MS_INVALIDATE) 1281 const_eio (MS_INVALIDATE)
781 const_eio (MS_SYNC) 1282 const_eio (MS_SYNC)
782 1283
783 const_eio (MT_MODIFY) 1284 const_eio (MT_MODIFY)
784 1285
785 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1286 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
786 const_eio (SYNC_FILE_RANGE_WRITE) 1287 const_eio (SYNC_FILE_RANGE_WRITE)
787 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1288 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1289
1290 const_eio (FALLOC_FL_KEEP_SIZE)
1291 const_eio (FALLOC_FL_PUNCH_HOLE)
1292 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1293 const_eio (FALLOC_FL_ZERO_RANGE)
1294 const_eio (FALLOC_FL_INSERT_RANGE)
1295 const_eio (FALLOC_FL_UNSHARE_RANGE)
1296
1297 const_eio (RENAME_NOREPLACE)
1298 const_eio (RENAME_EXCHANGE)
1299 const_eio (RENAME_WHITEOUT)
788 1300
789 const_eio (READDIR_DENTS) 1301 const_eio (READDIR_DENTS)
790 const_eio (READDIR_DIRS_FIRST) 1302 const_eio (READDIR_DIRS_FIRST)
791 const_eio (READDIR_STAT_ORDER) 1303 const_eio (READDIR_STAT_ORDER)
792 const_eio (READDIR_FOUND_UNKNOWN) 1304 const_eio (READDIR_FOUND_UNKNOWN)
… …
803 }; 1315 };
804 1316
805 aio_stash = gv_stashpv ("IO::AIO" , 1); 1317 aio_stash = gv_stashpv ("IO::AIO" , 1);
806 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1318 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1319 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1320 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
808 1321
809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
811 1324
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
813 1326
814 create_respipe (); 1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
815 1330
816 if (eio_init (want_poll, done_poll) < 0) 1331 if (
817 croak ("IO::AIO: unable to initialise eio library"); 1332#ifdef _WIN32
1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
818 1341
819 /* atfork child called in fifo order, so before eio's handler */ 1342 close_fd = pipefd [0];
820 X_THREAD_ATFORK (0, 0, atfork_child); 1343 }
821}
822 1344
1345 reinit ();
1346}
1347
823void 1348void
1349reinit ()
1350 PROTOTYPE:
1351
1352void
824max_poll_reqs (int nreqs) 1353max_poll_reqs (unsigned int nreqs)
825 PROTOTYPE: $ 1354 PROTOTYPE: $
826 CODE: 1355 CODE:
827 eio_set_max_poll_reqs (nreqs); 1356 eio_set_max_poll_reqs (nreqs);
828 1357
829void 1358void
… …
831 PROTOTYPE: $ 1360 PROTOTYPE: $
832 CODE: 1361 CODE:
833 eio_set_max_poll_time (nseconds); 1362 eio_set_max_poll_time (nseconds);
834 1363
835void 1364void
836min_parallel (int nthreads) 1365min_parallel (unsigned int nthreads)
837 PROTOTYPE: $ 1366 PROTOTYPE: $
838 CODE: 1367 CODE:
839 eio_set_min_parallel (nthreads); 1368 eio_set_min_parallel (nthreads);
840 1369
841void 1370void
842max_parallel (int nthreads) 1371max_parallel (unsigned int nthreads)
843 PROTOTYPE: $ 1372 PROTOTYPE: $
844 CODE: 1373 CODE:
845 eio_set_max_parallel (nthreads); 1374 eio_set_max_parallel (nthreads);
846 1375
847void 1376void
848max_idle (int nthreads) 1377max_idle (unsigned int nthreads)
849 PROTOTYPE: $ 1378 PROTOTYPE: $
850 CODE: 1379 CODE:
851 eio_set_max_idle (nthreads); 1380 eio_set_max_idle (nthreads);
852 1381
853void 1382void
1383idle_timeout (unsigned int seconds)
1384 PROTOTYPE: $
1385 CODE:
1386 eio_set_idle_timeout (seconds);
1387
1388void
854max_outstanding (int maxreqs) 1389max_outstanding (unsigned int maxreqs)
855 PROTOTYPE: $ 1390 PROTOTYPE: $
856 CODE: 1391 CODE:
857 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
858 1393
859void 1394void
860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
861 PPCODE: 1396 PPCODE:
862{ 1397{
863 dREQ; 1398 dREQ;
864 1399
1400 req->type = EIO_WD_OPEN;
1401 req_set_path1 (req, pathname);
1402
1403 REQ_SEND;
1404}
1405
1406void
1407aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1408 PPCODE:
1409{
1410 dREQ;
1411
865 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
866 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
867 req->ptr1 = SvPVbyte_nolen (req->sv1);
868 req->int1 = flags; 1414 req->int1 = flags;
869 req->int2 = mode; 1415 req->int2 = mode;
870 1416
871 REQ_SEND; 1417 REQ_SEND;
872} 1418}
873 1419
874void 1420void
875aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
876 ALIAS: 1422 ALIAS:
877 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
878 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
879 PPCODE: 1426 PPCODE:
880{ 1427{
881 int fd = s_fileno_croak (fh, 0); 1428 int fd = s_fileno_croak (fh, 0);
882 dREQ; 1429 dREQ;
883 1430
884 req->type = ix; 1431 req->type = ix;
885 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
886 req->int1 = fd; 1433 req->int1 = fd;
887 1434
888 REQ_SEND (req); 1435 REQ_SEND;
889} 1436}
890 1437
891void 1438void
892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1439aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
893 PPCODE: 1440 PPCODE:
894{ 1441{
895 int fd = s_fileno_croak (fh, 0); 1442 int fd = s_fileno_croak (fh, 0);
896 dREQ; 1443 dREQ;
897 1444
898 req->type = EIO_SYNC_FILE_RANGE; 1445 req->type = EIO_SYNC_FILE_RANGE;
899 req->sv1 = newSVsv (fh); 1446 req->sv1 = newSVsv (fh);
900 req->int1 = fd; 1447 req->int1 = fd;
901 req->offs = offset; 1448 req->offs = offset;
902 req->size = nbytes; 1449 req->size = nbytes;
903 req->int2 = flags; 1450 req->int2 = flags;
904 1451
905 REQ_SEND (req); 1452 REQ_SEND;
906} 1453}
907 1454
908void 1455void
909aio_close (SV *fh, SV *callback=&PL_sv_undef) 1456aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
910 PPCODE: 1457 PPCODE:
911{ 1458{
912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
913 int fd = s_fileno_croak (fh, 0); 1459 int fd = s_fileno_croak (fh, 0);
914 dREQ; 1460 dREQ;
915 1461
916 if (close_pipe < 0) 1462 req->type = EIO_FALLOCATE;
917 { 1463 req->sv1 = newSVsv (fh);
918 int pipefd [2]; 1464 req->int1 = fd;
1465 req->int2 = mode;
1466 req->offs = offset;
1467 req->size = len;
919 1468
920 if (pipe (pipefd) < 0 1469 REQ_SEND;
921 || close (pipefd [1]) < 0 1470}
922 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
923 abort (); /*D*/
924 1471
925 close_pipe = pipefd [0]; 1472void
926 } 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE:
1475{
1476 int fd = s_fileno_croak (fh, 0);
1477 dREQ;
927 1478
928 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
929 req->int1 = close_pipe; 1480 req->int1 = close_fd;
930 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
931 req->int2 = fd; 1482 req->int2 = fd;
932 1483
933 REQ_SEND (req); 1484 REQ_SEND;
934} 1485}
935 1486
936void 1487void
1488aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1489 PPCODE:
1490{
1491 int fd = s_fileno_croak (fh, 0);
1492 dREQ;
1493
1494 req->type = EIO_SEEK;
1495 req->sv1 = newSVsv (fh);
1496 req->int1 = fd;
1497 req->offs = SvVAL64 (offset);
1498 req->int2 = whence;
1499
1500 REQ_SEND;
1501}
1502
1503void
937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1504aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
938 ALIAS: 1505 ALIAS:
939 aio_read = EIO_READ 1506 aio_read = EIO_READ
940 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
941 PPCODE: 1508 PPCODE:
942{ 1509{
… …
958 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
959 } 1526 }
960 else 1527 else
961 { 1528 {
962 /* read: check type and grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
963 SvUPGRADE (data, SVt_PV); 1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
964 svptr = SvGROW (data, len + dataoffset + 1); 1531 svptr = sv_grow (data, len + dataoffset + 1);
1532 else if (SvCUR (data) < len + dataoffset)
1533 croak ("length + dataoffset outside of scalar, and cannot grow");
965 } 1534 }
966 1535
967 { 1536 {
968 dREQ; 1537 dREQ;
969 1538
… …
985 REQ_SEND; 1554 REQ_SEND;
986 } 1555 }
987} 1556}
988 1557
989void 1558void
990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
991 PPCODE: 1563 PPCODE:
992{ 1564{
993 SV *data; 1565 int fd = s_fileno_croak (fh, 0);
1566 char *svptr;
1567
1568 if (SvPOK (arg) || !SvNIOK (arg))
1569 {
1570 STRLEN svlen;
1571 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1572#ifdef IOCPARM_LEN
1573 STRLEN need = IOCPARM_LEN (request);
1574#else
1575 STRLEN need = 256;
1576#endif
1577
1578 if (svlen < need)
1579 svptr = SvGROW (arg, need);
1580 }
1581 else
1582 svptr = (char *)SvIV (arg);
1583
1584 {
1585 dREQ;
1586
1587 req->type = ix;
1588 req->sv1 = newSVsv (fh);
1589 req->int1 = fd;
1590 req->int2 = (long)request;
1591 req->sv2 = SvREFCNT_inc (arg);
1592 req->ptr2 = svptr;
1593
1594 REQ_SEND;
1595 }
1596}
1597
1598void
1599aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1600 ALIAS:
1601 aio_readlink = EIO_READLINK
1602 aio_realpath = EIO_REALPATH
1603 PPCODE:
1604{
994 dREQ; 1605 dREQ;
995 1606
996 req->type = EIO_READLINK; 1607 req->type = ix;
997 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
998 req->ptr1 = SvPVbyte_nolen (req->sv1);
999 1609
1000 REQ_SEND; 1610 REQ_SEND;
1001} 1611}
1002 1612
1003void 1613void
1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1614aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1005 PPCODE: 1615 PPCODE:
1006{ 1616{
1007 int ifd = s_fileno_croak (in_fh , 0); 1617 int ifd = s_fileno_croak (in_fh , 0);
1008 int ofd = s_fileno_croak (out_fh, 1); 1618 int ofd = s_fileno_croak (out_fh, 1);
1009 dREQ; 1619 dREQ;
1010 1620
1011 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
1012 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
1013 req->int1 = ofd; 1623 req->int1 = ofd;
… …
1018 1628
1019 REQ_SEND; 1629 REQ_SEND;
1020} 1630}
1021 1631
1022void 1632void
1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1024 PPCODE: 1634 PPCODE:
1025{ 1635{
1026 int fd = s_fileno_croak (fh, 0); 1636 int fd = s_fileno_croak (fh, 0);
1027 dREQ; 1637 dREQ;
1028 1638
1029 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
1030 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
1031 req->int1 = fd; 1641 req->int1 = fd;
… …
1034 1644
1035 REQ_SEND; 1645 REQ_SEND;
1036} 1646}
1037 1647
1038void 1648void
1039aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1040 ALIAS: 1650 ALIAS:
1041 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
1042 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1043 aio_statvfs = EIO_STATVFS 1653 aio_statvfs = EIO_STATVFS
1044 PPCODE: 1654 PPCODE:
1045{ 1655{
1046 dREQ; 1656 dREQ;
1047 1657
1048 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1049
1050 if (SvPOK (req->sv1))
1051 {
1052 req->type = ix;
1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
1054 }
1055 else
1056 {
1057 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1058 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1059 }
1060 1659
1061 REQ_SEND; 1660 REQ_SEND;
1062} 1661}
1063 1662
1064void 1663void
1664st_xtime ()
1665 ALIAS:
1666 st_atime = 0x01
1667 st_mtime = 0x02
1668 st_ctime = 0x04
1669 st_btime = 0x08
1670 st_xtime = 0x0f
1671 PPCODE:
1672 EXTEND (SP, 4);
1673 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1674 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1675 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1676 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1677
1678void
1679st_xtimensec ()
1680 ALIAS:
1681 st_atimensec = 0x01
1682 st_mtimensec = 0x02
1683 st_ctimensec = 0x04
1684 st_btimensec = 0x08
1685 st_xtimensec = 0x0f
1686 st_btimesec = 0x10
1687 st_gen = 0x20
1688 PPCODE:
1689 EXTEND (SP, 4);
1690 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1691 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1692 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1693 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1694 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1695 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1696
1697UV
1698major (UV dev)
1699 ALIAS:
1700 minor = 1
1701 CODE:
1702 RETVAL = ix ? minor (dev) : major (dev);
1703 OUTPUT:
1704 RETVAL
1705
1706UV
1707makedev (UV maj, UV min)
1708 CODE:
1709 RETVAL = makedev (maj, min);
1710 OUTPUT:
1711 RETVAL
1712
1713void
1065aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1714aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1066 PPCODE: 1715 PPCODE:
1067{ 1716{
1068 dREQ; 1717 dREQ;
1069 1718
1070 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1071 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1072 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1073
1074 if (SvPOK (req->sv1))
1075 {
1076 req->type = EIO_UTIME;
1077 req->ptr1 = SvPVbyte_nolen (req->sv1);
1078 }
1079 else
1080 {
1081 req->type = EIO_FUTIME;
1082 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1083 }
1084 1722
1085 REQ_SEND; 1723 REQ_SEND;
1086} 1724}
1087 1725
1088void 1726void
1089aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1727aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1090 PPCODE: 1728 PPCODE:
1091{ 1729{
1092 dREQ; 1730 dREQ;
1093 1731
1094 req->sv1 = newSVsv (fh_or_path);
1095 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1096 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1097 if (SvPOK (req->sv1))
1098 {
1099 req->type = EIO_TRUNCATE;
1100 req->ptr1 = SvPVbyte_nolen (req->sv1);
1101 }
1102 else
1103 {
1104 req->type = EIO_FTRUNCATE;
1105 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1106 }
1107 1734
1108 REQ_SEND; 1735 REQ_SEND;
1109} 1736}
1110 1737
1111void 1738void
1112aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1739aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1113 ALIAS:
1114 aio_chmod = EIO_CHMOD
1115 aio_mkdir = EIO_MKDIR
1116 PPCODE: 1740 PPCODE:
1117{ 1741{
1118 dREQ; 1742 dREQ;
1119 1743
1120 req->int2 = mode; 1744 req->int2 = mode;
1121 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1122
1123 if (SvPOK (req->sv1))
1124 {
1125 req->type = ix;
1126 req->ptr1 = SvPVbyte_nolen (req->sv1);
1127 }
1128 else
1129 {
1130 req->type = EIO_FCHMOD;
1131 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1132 }
1133 1746
1134 REQ_SEND; 1747 REQ_SEND;
1135} 1748}
1136 1749
1137void 1750void
1138aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1751aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1139 PPCODE: 1752 PPCODE:
1140{ 1753{
1141 dREQ; 1754 dREQ;
1142 1755
1143 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1144 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1145 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1146
1147 if (SvPOK (req->sv1))
1148 {
1149 req->type = EIO_CHOWN;
1150 req->ptr1 = SvPVbyte_nolen (req->sv1);
1151 }
1152 else
1153 {
1154 req->type = EIO_FCHOWN;
1155 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1156 }
1157 1759
1158 REQ_SEND; 1760 REQ_SEND;
1159} 1761}
1160 1762
1161void 1763void
1162aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1764aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1163 PPCODE: 1765 PPCODE:
1164{ 1766{
1165 dREQ; 1767 dREQ;
1166 1768
1167 req->type = EIO_READDIR; 1769 req->type = EIO_READDIR;
1168 req->sv1 = newSVsv (pathname);
1169 req->ptr1 = SvPVbyte_nolen (req->sv1);
1170 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1770 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1171 1771
1172 if (flags & EIO_READDIR_DENTS) 1772 if (flags & EIO_READDIR_DENTS)
1173 req->int1 |= EIO_READDIR_CUSTOM2; 1773 req->int1 |= EIO_READDIR_CUSTOM2;
1174 1774
1775 req_set_path1 (req, pathname);
1776
1175 REQ_SEND; 1777 REQ_SEND;
1176} 1778}
1177 1779
1178void 1780void
1781aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1782 PPCODE:
1783{
1784 dREQ;
1785
1786 req->type = EIO_MKDIR;
1787 req->int2 = mode;
1788 req_set_path1 (req, pathname);
1789
1790 REQ_SEND;
1791}
1792
1793void
1179aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1180 ALIAS: 1795 ALIAS:
1181 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
1182 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
1183 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
1184 PPCODE: 1799 PPCODE:
1185{ 1800{
1186 dREQ; 1801 dREQ;
1187 1802
1188 req->type = ix; 1803 req->type = ix;
1189 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
1190 req->ptr1 = SvPVbyte_nolen (req->sv1);
1191 1805
1192 REQ_SEND; 1806 REQ_SEND;
1193} 1807}
1194 1808
1195void 1809void
1196aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1197 ALIAS: 1811 ALIAS:
1198 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
1199 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
1200 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
1201 PPCODE: 1815 PPCODE:
1202{ 1816{
1817 eio_wd wd2 = 0;
1203 dREQ; 1818 dREQ;
1204 1819
1205 req->type = ix; 1820 req->type = ix;
1206 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
1207 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1208 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
1209 req->ptr2 = SvPVbyte_nolen (req->sv2);
1210 1824
1211 REQ_SEND; 1825 REQ_SEND;
1212} 1826}
1213 1827
1214void 1828void
1829aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1830 PPCODE:
1831{
1832 eio_wd wd2 = 0;
1833 dREQ;
1834
1835 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags;
1839 req->int3 = (long)wd2;
1840
1841 REQ_SEND;
1842}
1843
1844void
1215aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1845aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1216 PPCODE: 1846 PPCODE:
1217{ 1847{
1218 dREQ; 1848 dREQ;
1219 1849
1220 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
1221 req->sv1 = newSVsv (pathname);
1222 req->ptr1 = SvPVbyte_nolen (req->sv1);
1223 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
1224 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
1225 1854
1226 REQ_SEND; 1855 REQ_SEND;
1227} 1856}
1228 1857
1229void 1858void
1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1859aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1231 ALIAS: 1860 ALIAS:
1232 aio_mtouch = EIO_MTOUCH 1861 aio_mtouch = EIO_MTOUCH
1233 aio_msync = EIO_MSYNC 1862 aio_msync = EIO_MSYNC
1234 PPCODE: 1863 PPCODE:
1235{ 1864{
1236 STRLEN svlen; 1865 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen); 1866 char *svptr = SvPVbyte (data, svlen);
1238 UV len = SvUV (length); 1867 UV len = SvUV (length);
1868
1869 if (flags < 0)
1870 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1239 1871
1240 if (offset < 0) 1872 if (offset < 0)
1241 offset += svlen; 1873 offset += svlen;
1242 1874
1243 if (offset < 0 || offset > svlen) 1875 if (offset < 0 || offset > svlen)
… …
1258 REQ_SEND; 1890 REQ_SEND;
1259 } 1891 }
1260} 1892}
1261 1893
1262void 1894void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1895aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1264 PPCODE: 1896 PPCODE:
1265{ 1897{
1266 STRLEN svlen; 1898 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen); 1899 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length); 1900 UV len = SvUV (length);
… …
1287 REQ_SEND; 1919 REQ_SEND;
1288 } 1920 }
1289} 1921}
1290 1922
1291void 1923void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1924aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1293 PPCODE: 1925 PPCODE:
1294{ 1926{
1295 dREQ; 1927 dREQ;
1296 1928
1297 req->type = EIO_MLOCKALL; 1929 req->type = EIO_MLOCKALL;
… …
1299 1931
1300 REQ_SEND; 1932 REQ_SEND;
1301} 1933}
1302 1934
1303void 1935void
1936aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1937 PPCODE:
1938{
1939 int fd = s_fileno_croak (fh, 0);
1940 dREQ;
1941
1942 req->type = EIO_CUSTOM;
1943 req->sv1 = newSVsv (fh);
1944 req->int1 = fd;
1945
1946 req->feed = fiemap;
1947#if HAVE_FIEMAP
1948 /* keep our fingers crossed that the next two types are 64 bit */
1949 req->offs = start;
1950 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1951 req->int2 = flags;
1952 req->int3 = SvOK (count) ? SvIV (count) : -1;
1953#endif
1954
1955 REQ_SEND;
1956}
1957
1958void
1959aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 char *svptr = 0;
1963
1964 sv_clear_foreign (data);
1965
1966 if (length) /* known length, directly read into scalar */
1967 {
1968 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1969 svptr = sv_grow (data, length + 1);
1970 else if (SvCUR (data) < length)
1971 croak ("length outside of scalar, and cannot grow");
1972 else
1973 svptr = SvPVbyte_nolen (data);
1974 }
1975
1976 {
1977 dREQ;
1978
1979 req->type = EIO_SLURP;
1980 req_set_path1 (req, pathname);
1981 req->offs = offset;
1982 req->size = length;
1983 req->sv2 = SvREFCNT_inc (data);
1984 req->ptr2 = svptr;
1985
1986 if (!SvREADONLY (data))
1987 {
1988 SvREADONLY_on (data);
1989 req->flags |= FLAG_SV2_RO_OFF;
1990 }
1991
1992 REQ_SEND;
1993 }
1994}
1995
1996void
1304aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
1305 PPCODE: 1998 PPCODE:
1306{ 1999{
1307 dREQ; 2000 dREQ;
1308 2001
1309 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
1311 2004
1312 REQ_SEND; 2005 REQ_SEND;
1313} 2006}
1314 2007
1315void 2008void
1316aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
1317 PPCODE: 2010 PPCODE:
1318{ 2011{
1319 dREQ; 2012 dREQ;
1320 2013
1321 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
1322 2015
2016 PUTBACK;
1323 req_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
1324 XPUSHs (req_sv (req, aio_grp_stash)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
1325} 2021}
1326 2022
1327void 2023void
1328aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
1329 ALIAS: 2025 ALIAS:
1330 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
1331 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
1332 PPCODE: 2028 PPCODE:
1333{ 2029{
… …
1337 2033
1338 REQ_SEND; 2034 REQ_SEND;
1339} 2035}
1340 2036
1341int 2037int
1342aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
1343 CODE: 2039 CODE:
1344 RETVAL = next_pri; 2040 RETVAL = next_pri;
1345 if (items > 0) 2041 if (items > 0)
1346 { 2042 {
1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1429 CODE: 2125 CODE:
1430 RETVAL = posix_fadvise (fh, offset, length, advice); 2126 RETVAL = posix_fadvise (fh, offset, length, advice);
1431 OUTPUT: 2127 OUTPUT:
1432 RETVAL 2128 RETVAL
1433 2129
1434ssize_t 2130IV
1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2131sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1436 CODE: 2132 CODE:
1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2133 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438 OUTPUT: 2134 OUTPUT:
1439 RETVAL 2135 RETVAL
1440 2136
1441void 2137void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2138mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1443 PPCODE: 2139 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC); 2140 sv_clear_foreign (scalar);
1445{ 2141{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2142 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2143 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1) 2144 if (addr == (void *)-1)
1449 XSRETURN_NO; 2145 XSRETURN_NO;
1450 2146
1451 sv_force_normal (scalar); 2147 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458 2148
1459 if (!(prot & PROT_WRITE)) 2149 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar); 2150 SvREADONLY_on (scalar);
1461 2151
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES; 2152 XSRETURN_YES;
1471} 2153}
1472 2154
1473void 2155void
1474munmap (SV *scalar) 2156munmap (SV *scalar)
1475 CODE: 2157 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC); 2158 sv_clear_foreign (scalar);
2159
2160SV *
2161mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2162 CODE:
2163{
2164 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2165 void *new;
2166
2167 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2168 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2169
2170 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2171
2172 RETVAL = &PL_sv_no;
2173
2174 if (new != (void *)-1)
2175 {
2176 RETVAL = new == (void *)mg->mg_ptr
2177 ? newSVpvn ("0 but true", 10)
2178 : &PL_sv_yes;
2179
2180 mg->mg_ptr = (char *)new;
2181 mg->mg_obj = (SV *)new_length;
2182
2183 SvPVX (scalar) = mg->mg_ptr;
2184 SvCUR_set (scalar, new_length);
2185 }
2186}
2187 OUTPUT:
2188 RETVAL
1477 2189
1478int 2190int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2191madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS: 2192 ALIAS:
1481 mprotect = 1 2193 mprotect = 1
1482 CODE: 2194 CODE:
1483{ 2195{
1484 STRLEN svlen; 2196 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen); 2197 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length); 2198 STRLEN len = SvUV (length);
1487 2199
1488 if (offset < 0) 2200 if (offset < 0)
1489 offset += svlen; 2201 offset += svlen;
1490 2202
1491 if (offset < 0 || offset > svlen) 2203 if (offset < 0 || offset > svlen)
… …
1505} 2217}
1506 OUTPUT: 2218 OUTPUT:
1507 RETVAL 2219 RETVAL
1508 2220
1509int 2221int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1511 CODE: 2223 CODE:
1512{ 2224{
1513 STRLEN svlen; 2225 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen); 2226 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length); 2227 size_t len = SvUV (length);
1516 2228
1517 if (offset < 0) 2229 if (offset < 0)
1518 offset += svlen; 2230 offset += svlen;
1519 2231
… …
1523 if (!SvOK (length) || len + offset > svlen) 2235 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset; 2236 len = svlen - offset;
1525 2237
1526 addr = (void *)(((intptr_t)addr) + offset); 2238 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len); 2239 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK 2240#if _POSIX_MEMLOCK_RANGE
1529 RETVAL = munlock (addr, len); 2241 RETVAL = munlock (addr, len);
1530#else 2242#else
1531 RETVAL = ((errno = ENOSYS), -1); 2243 RETVAL = EIO_ENOSYS ();
1532#endif 2244#endif
1533} 2245}
1534 OUTPUT: 2246 OUTPUT:
2247 RETVAL
2248
2249int
2250mlockall (int flags)
2251 CODE:
2252 RETVAL = eio_mlockall_sync (flags);
2253 OUTPUT:
1535 RETVAL 2254 RETVAL
1536 2255
1537int 2256int
1538munlockall () 2257munlockall ()
1539 CODE: 2258 CODE:
1540#if _POSIX_MEMLOCK 2259#if _POSIX_MEMLOCK
1541 munlockall (); 2260 munlockall ();
1542#else 2261#else
1543 RETVAL = -1; 2262 RETVAL = EIO_ENOSYS ();
1544 errno = ENOSYS;
1545#endif 2263#endif
1546 OUTPUT: 2264 OUTPUT:
1547 RETVAL 2265 RETVAL
2266
2267int
2268splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2269 CODE:
2270{
2271#if HAVE_LINUX_SPLICE
2272 loff_t off_in_, off_out_;
2273 RETVAL = splice (
2274 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2275 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2276 length, flags
2277 );
2278#else
2279 RETVAL = EIO_ENOSYS ();
2280#endif
2281}
2282 OUTPUT:
2283 RETVAL
2284
2285int
2286tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2287 CODE:
2288#if HAVE_LINUX_SPLICE
2289 RETVAL = tee (rfh, wfh, length, flags);
2290#else
2291 RETVAL = EIO_ENOSYS ();
2292#endif
2293 OUTPUT:
2294 RETVAL
2295
2296int
2297pipesize (aio_rfd rfh, int new_size = -1)
2298 PROTOTYPE: $;$
2299 CODE:
2300#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2301 if (new_size >= 0)
2302 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2303 else
2304 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2305#else
2306 errno = ENOSYS;
2307 RETVAL = -1;
2308#endif
2309 OUTPUT:
2310 RETVAL
2311
2312void
2313pipe2 (int flags = 0)
2314 PROTOTYPE: ;$
2315 PPCODE:
2316{
2317 int fd[2];
2318 int res;
2319
2320 if (flags)
2321#if HAVE_PIPE2
2322 res = pipe2 (fd, flags);
2323#else
2324 res = (errno = ENOSYS, -1);
2325#endif
2326 else
2327 res = pipe (fd);
2328
2329 if (!res)
2330 {
2331 EXTEND (SP, 2);
2332 PUSHs (newmortalFH (fd[0], O_RDONLY));
2333 PUSHs (newmortalFH (fd[1], O_WRONLY));
2334 }
2335}
2336
2337void
2338eventfd (unsigned int initval = 0, int flags = 0)
2339 PPCODE:
2340{
2341 int fd;
2342#if HAVE_EVENTFD
2343 fd = eventfd (initval, flags);
2344#else
2345 fd = (errno = ENOSYS, -1);
2346#endif
2347
2348 XPUSHs (newmortalFH (fd, O_RDWR));
2349}
2350
2351void
2352timerfd_create (int clockid, int flags = 0)
2353 PPCODE:
2354{
2355 int fd;
2356#if HAVE_TIMERFD
2357 fd = timerfd_create (clockid, flags);
2358#else
2359 fd = (errno = ENOSYS, -1);
2360#endif
2361
2362 XPUSHs (newmortalFH (fd, O_RDWR));
2363}
2364
2365void
2366timerfd_settime (SV *fh, int flags, NV interval, NV value)
2367 PPCODE:
2368{
2369 int fd = s_fileno_croak (fh, 0);
2370#if HAVE_TIMERFD
2371 int res;
2372 struct itimerspec its, ots;
2373
2374 ts_set (&its.it_interval, interval);
2375 ts_set (&its.it_value , value);
2376 res = timerfd_settime (fd, flags, &its, &ots);
2377
2378 if (!res)
2379 {
2380 EXTEND (SP, 2);
2381 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2382 PUSHs (newSVnv (ts_get (&ots.it_value)));
2383 }
2384#else
2385 errno = ENOSYS;
2386#endif
2387}
2388
2389void
2390timerfd_gettime (SV *fh)
2391 PPCODE:
2392{
2393 int fd = s_fileno_croak (fh, 0);
2394#if HAVE_TIMERFD
2395 int res;
2396 struct itimerspec ots;
2397 res = timerfd_gettime (fd, &ots);
2398
2399 if (!res)
2400 {
2401 EXTEND (SP, 2);
2402 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2403 PUSHs (newSVnv (ts_get (&ots.it_value)));
2404 }
2405#else
2406 errno = ENOSYS;
2407#endif
2408}
2409
2410UV
2411get_fdlimit ()
2412 CODE:
2413#if HAVE_RLIMITS
2414 struct rlimit rl;
2415 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2416 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2417#endif
2418 XSRETURN_UNDEF;
2419 OUTPUT:
2420 RETVAL
2421
2422void
2423min_fdlimit (UV limit = 0x7fffffffU)
2424 CODE:
2425{
2426#if HAVE_RLIMITS
2427 struct rlimit rl;
2428 rlim_t orig_rlim_max;
2429 UV bit;
2430
2431 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2432 goto fail;
2433
2434 if (rl.rlim_cur == RLIM_INFINITY)
2435 XSRETURN_YES;
2436
2437 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2438
2439 if (rl.rlim_cur < limit)
2440 {
2441 rl.rlim_cur = limit;
2442
2443 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2444 rl.rlim_max = rl.rlim_cur;
2445 }
2446
2447 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2448 XSRETURN_YES;
2449
2450 if (errno == EPERM)
2451 {
2452 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2453 /* our limit overflows a system-wide limit */
2454 /* try an adaptive algorithm, but do not lower the hardlimit */
2455 rl.rlim_max = 0;
2456 for (bit = 0x40000000U; bit; bit >>= 1)
2457 {
2458 rl.rlim_max |= bit;
2459 rl.rlim_cur = rl.rlim_max;
2460
2461 /* nevr decrease the hard limit */
2462 if (rl.rlim_max < orig_rlim_max)
2463 break;
2464
2465 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2466 rl.rlim_max &= ~bit; /* too high, remove bit again */
2467 }
2468
2469 /* now, raise the soft limit to the max permitted */
2470 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2471 {
2472 rl.rlim_cur = rl.rlim_max;
2473 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2474 errno = EPERM;
2475 }
2476 }
2477#endif
2478 fail:
2479 XSRETURN_UNDEF;
2480}
1548 2481
1549void _on_next_submit (SV *cb) 2482void _on_next_submit (SV *cb)
1550 CODE: 2483 CODE:
1551 SvREFCNT_dec (on_next_submit); 2484 SvREFCNT_dec (on_next_submit);
1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2485 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1553 2486
1554PROTOTYPES: DISABLE 2487PROTOTYPES: DISABLE
1555 2488
2489MODULE = IO::AIO PACKAGE = IO::AIO::WD
2490
2491BOOT:
2492{
2493 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2494 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2495}
2496
2497void
2498DESTROY (SV *self)
2499 CODE:
2500{
2501 aio_wd wd = SvAIO_WD (self);
2502#if HAVE_AT
2503 {
2504 SV *callback = &PL_sv_undef;
2505 dREQ; /* clobbers next_pri :/ */
2506 next_pri = req->pri; /* restore next_pri */
2507 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2508 req->type = EIO_WD_CLOSE;
2509 req->wd = wd;
2510 REQ_SEND;
2511 }
2512#else
2513 eio_wd_close_sync (wd);
2514#endif
2515}
2516
1556MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2517MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1557 2518
1558void 2519void
1559cancel (aio_req_ornot req) 2520cancel (aio_req_ornot req)
1560 CODE: 2521 CODE:
1561 eio_cancel (req); 2522 eio_cancel (req);
1562 2523
1563void 2524void
1564cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2525cb (aio_req_ornot req, SV *callback = NO_INIT)
1565 PPCODE: 2526 PPCODE:
1566{ 2527{
1567 if (GIMME_V != G_VOID) 2528 if (GIMME_V != G_VOID)
1568 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2529 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1569 2530
1570 if (items > 1) 2531 if (items > 1)
1571 { 2532 {
1572 SV *cb_cv =get_cb (callback); 2533 SV *cb_cv = get_cb (callback);
1573 2534
1574 SvREFCNT_dec (req->callback); 2535 SvREFCNT_dec (req->callback);
1575 req->callback = SvREFCNT_inc (cb_cv); 2536 req->callback = SvREFCNT_inc (cb_cv);
1576 } 2537 }
1577} 2538}
… …
1634limit (aio_req grp, int limit) 2595limit (aio_req grp, int limit)
1635 CODE: 2596 CODE:
1636 eio_grp_limit (grp, limit); 2597 eio_grp_limit (grp, limit);
1637 2598
1638void 2599void
1639feed (aio_req grp, SV *callback=&PL_sv_undef) 2600feed (aio_req grp, SV *callback = &PL_sv_undef)
1640 CODE: 2601 CODE:
1641{ 2602{
1642 SvREFCNT_dec (grp->sv2); 2603 SvREFCNT_dec (grp->sv2);
1643 grp->sv2 = newSVsv (callback); 2604 grp->sv2 = newSVsv (callback);
1644 grp->feed = aio_grp_feed; 2605 grp->feed = aio_grp_feed;

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