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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.181 by root, Tue Feb 15 03:21:41 2011 UTC vs.
Revision 1.264 by root, Tue Aug 14 11:44:52 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_SYSMACROS_H
24# include <sys/sysmacros.h>
25#endif
26
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 27#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 28# include <sys/mman.h>
23#endif 29#endif
24 30
31/* the incompetent fool that created musl keeps __linux__, refuses
32 * to implement any linux standard apis, and also has no way to test
33 * for his broken iplementation. don't complain to me if this fails
34 * for you.
35 */
36#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
37# include <linux/fs.h>
38# ifdef FS_IOC_FIEMAP
39# include <linux/types.h>
40# include <linux/fiemap.h>
41# define HAVE_FIEMAP 1
42# endif
43#endif
44
25/* perl namespace pollution */ 45/* perl namespace pollution */
26#undef VERSION 46#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 47
77/* perl stupidly overrides readdir and maybe others */ 48/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 49/* with thread-unsafe versions, imagine that :( */
79#undef readdir 50#undef readdir
80#undef opendir 51#undef opendir
81#undef closedir 52#undef closedir
82 53
54#ifdef _WIN32
55
56 // perl overrides all those nice libc functions
57
58 #undef malloc
59 #undef free
60 #undef open
61 #undef read
62 #undef write
63 #undef send
64 #undef recv
65 #undef stat
66 #undef lstat
67 #undef fstat
68 #undef truncate
69 #undef ftruncate
70 #undef open
71 #undef link
72 #undef close
73 #undef unlink
74 #undef mkdir
75 #undef rmdir
76 #undef rename
77 #undef lseek
78 #undef opendir
79 #undef readdir
80 #undef closedir
81 #undef chmod
82 #undef fchmod
83 #undef dup
84 #undef dup2
85 #undef abort
86 #undef pipe
87
88 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 89 #define EIO_STRUCT_STATI64
84 90
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 91#else
91# define VAL64 NV 92
92# define SvVAL64 SvNV 93 #include <sys/time.h>
93# define newSVval64 newSVnv 94 #include <sys/select.h>
95 #include <unistd.h>
96 #include <utime.h>
97 #include <signal.h>
98
99 #define EIO_STRUCT_STAT Stat_t
100
94#endif 101#endif
95 102
96/*****************************************************************************/ 103/*****************************************************************************/
97 104
98#if __GNUC__ >= 3 105#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 111#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 112#define expect_true(expr) expect ((expr) != 0, 1)
106 113
107/*****************************************************************************/ 114/*****************************************************************************/
108 115
116#include "config.h"
117
118#if HAVE_ST_XTIMENSEC
119# define ATIMENSEC PL_statcache.st_atimensec
120# define MTIMENSEC PL_statcache.st_mtimensec
121# define CTIMENSEC PL_statcache.st_ctimensec
122#elif HAVE_ST_XTIMESPEC
123# define ATIMENSEC PL_statcache.st_atim.tv_nsec
124# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
125# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
126#else
127# define ATIMENSEC 0
128# define MTIMENSEC 0
129# define CTIMENSEC 0
130#endif
131
132#include "schmorp.h"
133
134#if HAVE_EVENTFD
135# include <sys/eventfd.h>
136#endif
137
138#if HAVE_TIMERFD
139# include <sys/timerfd.h>
140#endif
141
142#if HAVE_RLIMITS
143 #include <sys/time.h>
144 #include <sys/resource.h>
145#endif
146
109typedef SV SV8; /* byte-sv, used for argument-checking */ 147typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 148typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 149typedef int aio_wfd; /* write file descriptor */
112 150
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 151static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 152
115#define EIO_REQ_MEMBERS \ 153#define EIO_REQ_MEMBERS \
116 SV *callback; \ 154 SV *callback; \
117 SV *sv1, *sv2; \ 155 SV *sv1, *sv2; \
156 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 157 STRLEN stroffset; \
119 SV *self; 158 SV *self;
120 159
121#define EIO_NO_WRAPPERS 1 160#define EIO_NO_WRAPPERS 1
122 161
123#include "libeio/config.h"
124#include "libeio/eio.h" 162#include "libeio/eio.h"
125 163
126#ifndef POSIX_FADV_NORMAL 164static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 165#define EIO_FINISH(req) req_invoke (req)
128#endif 166static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 167#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 168
131#endif 169#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
144 170
145#if !HAVE_POSIX_FADVISE 171#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 172# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 173#endif
148 174
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 175#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 176# 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
212
213#ifndef S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif 177#endif
237 178
238#ifndef MAP_ANONYMOUS 179#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON 180# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON 181# define MAP_ANONYMOUS MAP_ANON
241# else 182# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 183# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif 184# endif
244#endif 185#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260 186
261#ifndef makedev 187#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min)) 188# define makedev(maj,min) (((maj) << 8) | (min))
263#endif 189#endif
264#ifndef major 190#ifndef major
… …
266#endif 192#endif
267#ifndef minor 193#ifndef minor
268# define minor(dev) ((dev) & 0xff) 194# define minor(dev) ((dev) & 0xff)
269#endif 195#endif
270 196
271#ifndef PAGESIZE 197#if PAGESIZE <= 0
272# define PAGESIZE sysconf (_SC_PAGESIZE) 198# define PAGESIZE sysconf (_SC_PAGESIZE)
273#endif 199#endif
274 200
275static int req_invoke (eio_req *req); 201/*****************************************************************************/
276#define EIO_FINISH(req) req_invoke (req) 202
277static void req_destroy (eio_req *grp); 203#if !_POSIX_MAPPED_FILES
278#define EIO_DESTROY(req) req_destroy (req) 204# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
205# define munmap(addr,length) EIO_ENOSYS ()
206#endif
207
208#if !_POSIX_MEMORY_PROTECTION
209# define mprotect(addr,len,prot) EIO_ENOSYS ()
210#endif
211
212#if !MREMAP_MAYMOVE
213# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
214#endif
215
216#define FOREIGN_MAGIC PERL_MAGIC_ext
217
218static int ecb_cold
219mmap_free (pTHX_ SV *sv, MAGIC *mg)
220{
221 int old_errno = errno;
222 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
223 errno = old_errno;
224
225 mg->mg_obj = 0; /* just in case */
226
227 SvREADONLY_off (sv);
228
229 if (SvPVX (sv) != mg->mg_ptr)
230 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
231
232 SvCUR_set (sv, 0);
233 SvPVX (sv) = 0;
234 SvOK_off (sv);
235
236 return 0;
237}
238
239static MGVTBL mmap_vtbl = {
240 0, 0, 0, 0, mmap_free
241};
242
243static int ecb_cold
244sysfree_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 free (mg->mg_ptr);
247 mg->mg_obj = 0; /* just in case */
248
249 SvREADONLY_off (sv);
250
251 if (SvPVX (sv) != mg->mg_ptr)
252 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
253
254 SvCUR_set (sv, 0);
255 SvPVX (sv) = 0;
256 SvOK_off (sv);
257
258 return 0;
259}
260
261static MGVTBL sysfree_vtbl = {
262 0, 0, 0, 0, sysfree_free
263};
264
265/*****************************************************************************/
266
267/* helper: set scalar to foreign ptr with custom free */
268static void
269sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
270{
271 sv_force_normal (sv);
272
273 /* we store the length in mg_obj, as namlen is I32 :/ */
274 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
275 ->mg_obj = (SV *)length;
276
277 SvUPGRADE (sv, SVt_PV); /* nop... */
278
279 if (SvLEN (sv))
280 Safefree (SvPVX (sv));
281
282 SvPVX (sv) = (char *)addr;
283 SvCUR_set (sv, length);
284 SvLEN_set (sv, 0);
285 SvPOK_only (sv);
286}
287
288static void
289sv_clear_foreign (SV *sv)
290{
291 /* todo: iterate over magic and only free ours, but of course */
292 /* the perl5porters will call that (correct) behaviour buggy */
293 sv_unmagic (sv, FOREIGN_MAGIC);
294}
295
296/*****************************************************************************/
297
298/* defines all sorts of constants to 0 unless they are already defined */
299/* also provides const_iv_ and const_niv_ macros for them */
300#include "def0.h"
301
302/*****************************************************************************/
303
304static void
305fiemap (eio_req *req)
306{
307 req->result = -1;
308
309#if HAVE_FIEMAP
310 /* assume some c99 */
311 struct fiemap *fiemap = 0;
312 size_t end_offset;
313 int count = req->int3;
314
315 req->flags |= EIO_FLAG_PTR1_FREE;
316
317 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
318 /* increase in 3.5kb steps */
319 if (count < 0)
320 count = 8;
321
322 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
323 errno = ENOMEM;
324 if (!fiemap)
325 return;
326
327 req->ptr1 = fiemap;
328
329 fiemap->fm_start = req->offs;
330 fiemap->fm_length = req->size;
331 fiemap->fm_flags = req->int2;
332 fiemap->fm_extent_count = count;
333
334 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
335 return;
336
337 if (req->int3 >= 0 /* not autosizing */
338 || !fiemap->fm_mapped_extents /* no more extents */
339 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
340 goto done;
341
342 /* else we have to loop -
343 * it would be tempting (actually I tried that first) to just query the
344 * number of extents needed, but linux often feels like not returning all
345 * extents, without telling us it left any out. this complicates
346 * this quite a bit.
347 */
348
349 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
350
351 for (;;)
352 {
353 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
354 char scratch[3072];
355 struct fiemap *incmap = (struct fiemap *)scratch;
356
357 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
358 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
359 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
360 incmap->fm_flags = fiemap->fm_flags;
361 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
362
363 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
364 return;
365
366 if (!incmap->fm_mapped_extents)
367 goto done;
368
369 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
370 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
371 errno = ENOMEM;
372 if (!fiemap)
373 return;
374
375 req->ptr1 = fiemap;
376
377 for (count = 0; count < incmap->fm_mapped_extents; ++count)
378 {
379 struct fiemap_extent *e = incmap->fm_extents + count;
380
381 if (e->fe_logical + e->fe_length >= end_offset)
382 goto done;
383
384 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
385
386 if (e->fe_flags & FIEMAP_EXTENT_LAST)
387 goto done;
388
389 }
390 }
391
392done:
393 req->result = 0;
394
395#else
396 errno = ENOSYS;
397#endif
398}
399
400/*****************************************************************************/
279 401
280enum { 402enum {
281 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 403 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282}; 404};
283 405
284#include "libeio/eio.c"
285
286typedef eio_req *aio_req; 406typedef eio_req *aio_req;
287typedef eio_req *aio_req_ornot; 407typedef eio_req *aio_req_ornot;
408typedef eio_wd aio_wd;
288 409
289static SV *on_next_submit; 410static SV *on_next_submit;
290static int next_pri = EIO_PRI_DEFAULT; 411static int next_pri = EIO_PRI_DEFAULT;
291static int max_outstanding; 412static int max_outstanding;
292 413
293static s_epipe respipe; 414static s_epipe respipe;
294 415
295static void req_destroy (aio_req req); 416static void req_destroy (aio_req req);
296static void req_cancel (aio_req req); 417static void req_cancel (aio_req req);
297 418
298static void want_poll (void) 419static void
420want_poll (void)
299{ 421{
300 /* write a dummy byte to the pipe so fh becomes ready */ 422 /* write a dummy byte to the pipe so fh becomes ready */
301 s_epipe_signal (&respipe); 423 s_epipe_signal (&respipe);
302} 424}
303 425
304static void done_poll (void) 426static void
427done_poll (void)
305{ 428{
306 /* read any signals sent by the worker threads */ 429 /* read any signals sent by the worker threads */
307 s_epipe_drain (&respipe); 430 s_epipe_drain (&respipe);
308} 431}
309 432
310/* must be called at most once */ 433/* must be called at most once */
434static SV *
311static SV *req_sv (aio_req req, HV *stash) 435req_sv (aio_req req, HV *stash)
312{ 436{
313 if (!req->self) 437 if (!req->self)
314 { 438 {
315 req->self = (SV *)newHV (); 439 req->self = (SV *)newHV ();
316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 440 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317 } 441 }
318 442
319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 443 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320} 444}
321 445
322static aio_req SvAIO_REQ (SV *sv) 446static SV *
447newSVaio_wd (aio_wd wd)
448{
449 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
450}
451
452static aio_req
453SvAIO_REQ (SV *sv)
323{ 454{
324 MAGIC *mg; 455 MAGIC *mg;
325 456
326 if (!SvROK (sv) 457 if (!SvROK (sv)
458 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327 || (SvSTASH (SvRV (sv)) != aio_grp_stash 459 || (SvSTASH (SvRV (sv)) != aio_grp_stash
328 && SvSTASH (SvRV (sv)) != aio_req_stash 460 && SvSTASH (SvRV (sv)) != aio_req_stash
329 && !sv_derived_from (sv, "IO::AIO::REQ"))) 461 && !sv_derived_from (sv, "IO::AIO::REQ")))
330 croak ("object of class IO::AIO::REQ expected"); 462 croak ("object of class IO::AIO::REQ expected");
331 463
332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 464 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333 465
334 return mg ? (aio_req)mg->mg_ptr : 0; 466 return mg ? (aio_req)mg->mg_ptr : 0;
335} 467}
336 468
469static aio_wd
470SvAIO_WD (SV *sv)
471{
472 if (!SvROK (sv)
473 || SvTYPE (SvRV (sv)) != SVt_PVMG
474 || SvSTASH (SvRV (sv)) != aio_wd_stash)
475 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
476
477 return (aio_wd)(long)SvIVX (SvRV (sv));
478}
479
480static SV *
481newmortalFH (int fd, int flags)
482{
483 if (fd < 0)
484 return &PL_sv_undef;
485
486 GV *gv = (GV *)sv_newmortal ();
487 char sym[64];
488 int symlen;
489
490 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
491 gv_init (gv, aio_stash, sym, symlen, 0);
492
493 symlen = snprintf (
494 sym,
495 sizeof (sym),
496 "%s&=%d",
497 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
498 fd
499 );
500
501 return do_open (gv, sym, symlen, 0, 0, 0, 0)
502 ? (SV *)gv : &PL_sv_undef;
503}
504
505static void
337static void aio_grp_feed (aio_req grp) 506aio_grp_feed (aio_req grp)
338{ 507{
339 if (grp->sv2 && SvOK (grp->sv2)) 508 if (grp->sv2 && SvOK (grp->sv2))
340 { 509 {
341 dSP; 510 dSP;
342 511
… …
350 FREETMPS; 519 FREETMPS;
351 LEAVE; 520 LEAVE;
352 } 521 }
353} 522}
354 523
524static void
355static void req_submit (eio_req *req) 525req_submit (eio_req *req)
356{ 526{
357 eio_submit (req); 527 eio_submit (req);
358 528
359 if (expect_false (on_next_submit)) 529 if (expect_false (on_next_submit))
360 { 530 {
… …
367 PUTBACK; 537 PUTBACK;
368 call_sv (cb, G_DISCARD | G_EVAL); 538 call_sv (cb, G_DISCARD | G_EVAL);
369 } 539 }
370} 540}
371 541
542static int
372static int req_invoke (eio_req *req) 543req_invoke (eio_req *req)
373{ 544{
374 if (req->flags & FLAG_SV2_RO_OFF) 545 if (req->flags & FLAG_SV2_RO_OFF)
375 SvREADONLY_off (req->sv2); 546 SvREADONLY_off (req->sv2);
376 547
377 if (!EIO_CANCELLED (req) && req->callback) 548 if (!EIO_CANCELLED (req) && req->callback)
… …
398 SvREADONLY_on (sv_result); 569 SvREADONLY_on (sv_result);
399 } 570 }
400 571
401 switch (req->type) 572 switch (req->type)
402 { 573 {
574 case EIO_WD_OPEN:
575 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
576 break;
577
403 case EIO_READDIR: 578 case EIO_READDIR:
404 { 579 {
405 SV *rv = &PL_sv_undef; 580 SV *rv = &PL_sv_undef;
406 581
407 if (req->result >= 0) 582 if (req->result >= 0)
… …
460 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 635 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
461 } 636 }
462 break; 637 break;
463 638
464 case EIO_OPEN: 639 case EIO_OPEN:
465 { 640 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
466 /* convert fd to fh */
467 SV *fh = &PL_sv_undef;
468
469 if (req->result >= 0)
470 {
471 GV *gv = (GV *)sv_newmortal ();
472 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
473 char sym [64];
474 int symlen;
475
476 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
477 gv_init (gv, aio_stash, sym, symlen, 0);
478
479 symlen = snprintf (
480 sym,
481 sizeof (sym),
482 "%s&=%d",
483 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
484 (int)req->result
485 );
486
487 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
488 fh = (SV *)gv;
489 }
490
491 PUSHs (fh);
492 }
493 break; 641 break;
494 642
495 case EIO_STATVFS: 643 case EIO_STATVFS:
496 case EIO_FSTATVFS: 644 case EIO_FSTATVFS:
497 { 645 {
498 SV *rv = &PL_sv_undef; 646 SV *rv = &PL_sv_undef;
499 647
648#ifndef _WIN32
500 if (req->result >= 0) 649 if (req->result >= 0)
501 { 650 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 651 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV (); 652 HV *hv = newHV ();
653 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
654 * chooses to make it a struct.
655 */
656 unsigned long fsid = 0;
657 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
504 658
505 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 659 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506 660
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 661 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 662 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 664 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 665 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 666 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 667 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 668 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 669 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 670 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 671 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 } 672 }
673#endif
519 674
520 PUSHs (rv); 675 PUSHs (rv);
521 } 676 }
522 677
523 break; 678 break;
… …
539 case EIO_NOP: 694 case EIO_NOP:
540 case EIO_BUSY: 695 case EIO_BUSY:
541 break; 696 break;
542 697
543 case EIO_READLINK: 698 case EIO_READLINK:
699 case EIO_REALPATH:
544 if (req->result > 0) 700 if (req->result > 0)
545 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 701 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546 break; 702 break;
547 703
548 case EIO_STAT: 704 case EIO_STAT:
549 case EIO_LSTAT: 705 case EIO_LSTAT:
550 case EIO_FSTAT: 706 case EIO_FSTAT:
551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 707 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
708
552 PL_laststatval = req->result; 709 if (!(PL_laststatval = req->result))
710 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 711 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
712
554 PUSHs (sv_result); 713 PUSHs (sv_result);
714 break;
715
716 case EIO_SEEK:
717 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
555 break; 718 break;
556 719
557 case EIO_READ: 720 case EIO_READ:
558 { 721 {
559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 722 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
562 SvSETMAGIC (req->sv2); 725 SvSETMAGIC (req->sv2);
563 PUSHs (sv_result); 726 PUSHs (sv_result);
564 } 727 }
565 break; 728 break;
566 729
730 case EIO_SLURP:
731 {
732 if (req->result >= 0)
733 {
734 /* if length was originally not known, we steal the malloc'ed memory */
735 if (req->flags & EIO_FLAG_PTR2_FREE)
736 {
737 req->flags &= ~EIO_FLAG_PTR2_FREE;
738 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
739 }
740 else
741 {
742 SvCUR_set (req->sv2, req->result);
743 *SvEND (req->sv2) = 0;
744 SvPOK_only (req->sv2);
745 }
746
747 SvSETMAGIC (req->sv2);
748 }
749
750 PUSHs (sv_result);
751 }
752 break;
753
754 case EIO_CUSTOM:
755 if (req->feed == fiemap)
756 {
757#if HAVE_FIEMAP
758 if (!req->result)
759 {
760 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
761
762 if (fiemap->fm_extent_count)
763 {
764 AV *av = newAV ();
765 int i;
766
767 while (fiemap->fm_mapped_extents)
768 {
769 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
770 AV *ext_av = newAV ();
771
772 av_store (ext_av, 3, newSVuv (extent->fe_flags));
773 av_store (ext_av, 2, newSVval64 (extent->fe_length));
774 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
775 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
776
777 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
778 }
779
780 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
781 }
782 else
783 {
784 SvIV_set (sv_result, fiemap->fm_mapped_extents);
785 PUSHs (sv_result);
786 }
787 }
788#endif
789 }
790 else
791 PUSHs (sv_result);
792 break;
793
567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 794 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568 if (req->result > 0) 795 if (req->result > 0)
569 SvIV_set (sv_result, 0); 796 SvIV_set (sv_result, 0);
570 /* FALLTHROUGH */ 797 /* FALLTHROUGH */
571 798
… …
592 } 819 }
593 820
594 return !!SvTRUE (ERRSV); 821 return !!SvTRUE (ERRSV);
595} 822}
596 823
824static void
597static void req_destroy (aio_req req) 825req_destroy (aio_req req)
598{ 826{
599 if (req->self) 827 if (req->self)
600 { 828 {
601 sv_unmagic (req->self, PERL_MAGIC_ext); 829 sv_unmagic (req->self, PERL_MAGIC_ext);
602 SvREFCNT_dec (req->self); 830 SvREFCNT_dec (req->self);
603 } 831 }
604 832
605 SvREFCNT_dec (req->sv1); 833 SvREFCNT_dec (req->sv1);
606 SvREFCNT_dec (req->sv2); 834 SvREFCNT_dec (req->sv2);
835 SvREFCNT_dec (req->sv3);
836 SvREFCNT_dec (req->sv4);
607 SvREFCNT_dec (req->callback); 837 SvREFCNT_dec (req->callback);
608 838
609 Safefree (req); 839 free (req);
610} 840}
611 841
842static void
612static void req_cancel_subs (aio_req grp) 843req_cancel_subs (aio_req grp)
613{ 844{
614 aio_req sub;
615
616 if (grp->type != EIO_GROUP) 845 if (grp->type != EIO_GROUP)
617 return; 846 return;
618 847
619 SvREFCNT_dec (grp->sv2); 848 SvREFCNT_dec (grp->sv2);
620 grp->sv2 = 0; 849 grp->sv2 = 0;
621 850
622 eio_grp_cancel (grp); 851 eio_grp_cancel (grp);
623} 852}
624 853
625static void 854static void ecb_cold
626create_respipe (void) 855create_respipe (void)
627{ 856{
628 if (s_epipe_renew (&respipe)) 857 if (s_epipe_renew (&respipe))
629 croak ("IO::AIO: unable to initialize result pipe"); 858 croak ("IO::AIO: unable to initialize result pipe");
630} 859}
631 860
632static void poll_wait (void) 861static void
862poll_wait (void)
633{ 863{
634 while (eio_nreqs ()) 864 while (eio_nreqs ())
635 { 865 {
636 int size; 866 int size;
637 867
638 X_LOCK (reslock); 868 X_LOCK (EIO_POOL->reslock);
639 size = res_queue.size; 869 size = EIO_POOL->res_queue.size;
640 X_UNLOCK (reslock); 870 X_UNLOCK (EIO_POOL->reslock);
641 871
642 if (size) 872 if (size)
643 return; 873 return;
644 874
645 etp_maybe_start_thread (); 875 etp_maybe_start_thread (EIO_POOL);
646 876
647 s_epipe_wait (&respipe); 877 s_epipe_wait (&respipe);
648 } 878 }
649} 879}
650 880
651static int poll_cb (void) 881static int
882poll_cb (void)
652{ 883{
653 for (;;) 884 for (;;)
654 { 885 {
655 int res = eio_poll (); 886 int res = eio_poll ();
656 887
… …
662 893
663 poll_wait (); 894 poll_wait ();
664 } 895 }
665} 896}
666 897
667static void atfork_child (void) 898static void ecb_cold
899reinit (void)
668{ 900{
669 create_respipe (); 901 create_respipe ();
670}
671 902
672/*****************************************************************************/ 903 if (eio_init (want_poll, done_poll) < 0)
673 904 croak ("IO::AIO: unable to initialise eio library");
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709} 905}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714 906
715/*****************************************************************************/ 907/*****************************************************************************/
716 908
717static SV * 909static SV *
718get_cb (SV *cb_sv) 910get_cb (SV *cb_sv)
719{ 911{
720 SvGETMAGIC (cb_sv); 912 SvGETMAGIC (cb_sv);
721 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 913 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722} 914}
723 915
916static aio_req ecb_noinline
917dreq (SV *callback)
918{
919 SV *cb_cv;
920 aio_req req;
921 int req_pri = next_pri;
922 next_pri = EIO_PRI_DEFAULT;
923
924 cb_cv = get_cb (callback);
925
926 req = calloc (sizeof (*req), 1);
927 if (!req)
928 croak ("out of memory during eio_req allocation");
929
930 req->callback = SvREFCNT_inc (cb_cv);
931 req->pri = req_pri;
932
933 return req;
934}
935
724#define dREQ \ 936#define dREQ \
725 SV *cb_cv; \ 937 aio_req req = dreq (callback); \
726 aio_req req; \
727 int req_pri = next_pri; \
728 next_pri = EIO_PRI_DEFAULT; \
729 \
730 cb_cv = get_cb (callback); \
731 \
732 Newz (0, req, 1, eio_req); \
733 if (!req) \
734 croak ("out of memory during eio_req allocation"); \
735 \
736 req->callback = SvREFCNT_inc (cb_cv); \
737 req->pri = req_pri
738 938
739#define REQ_SEND \ 939#define REQ_SEND \
740 PUTBACK; \ 940 PUTBACK; \
741 req_submit (req); \ 941 req_submit (req); \
742 SPAGAIN; \ 942 SPAGAIN; \
743 \ 943 \
744 if (GIMME_V != G_VOID) \ 944 if (GIMME_V != G_VOID) \
745 XPUSHs (req_sv (req, aio_req_stash)); 945 XPUSHs (req_sv (req, aio_req_stash));
746 946
947ecb_inline void
948req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
949{
950 if (expect_false (SvROK (path)))
951 {
952 SV *rv = SvRV (path);
953 SV *wdob;
954
955 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
956 {
957 path = AvARRAY (rv)[1];
958 wdob = AvARRAY (rv)[0];
959
960 if (SvOK (wdob))
961 {
962 *wd = SvAIO_WD (wdob);
963 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
964 }
965 else
966 *wd = EIO_INVALID_WD;
967 }
968 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
969 {
970 *wd = (aio_wd)(long)SvIVX (rv);
971 *wdsv = SvREFCNT_inc_NN (rv);
972 *ptr = ".";
973 return; /* path set to "." */
974 }
975 else
976 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
977 }
978
979 *pathsv = newSVsv (path);
980 *ptr = SvPVbyte_nolen (*pathsv);
981}
982
983static void ecb_noinline
984req_set_path1 (aio_req req, SV *path)
985{
986 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
987}
988
989static void ecb_noinline
990req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
991{
992 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
993
994 switch (SvTYPE (rv))
995 {
996 case SVt_PVIO:
997 case SVt_PVLV:
998 case SVt_PVGV:
999 req->type = type_fh;
1000 req->sv1 = newSVsv (fh_or_path);
1001 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1002 break;
1003
1004 default:
1005 req->type = type_path;
1006 req_set_path1 (req, fh_or_path);
1007 break;
1008 }
1009}
1010
1011/*****************************************************************************/
1012
1013static void
1014ts_set (struct timespec *ts, NV value)
1015{
1016 ts->tv_sec = value;
1017 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1018}
1019
1020static NV
1021ts_get (const struct timespec *ts)
1022{
1023 return ts->tv_sec + ts->tv_nsec * 1e-9;
1024}
1025
1026/*****************************************************************************/
1027
1028XS(boot_IO__AIO) ecb_cold;
1029
747MODULE = IO::AIO PACKAGE = IO::AIO 1030MODULE = IO::AIO PACKAGE = IO::AIO
748 1031
749PROTOTYPES: ENABLE 1032PROTOTYPES: ENABLE
750 1033
751BOOT: 1034BOOT:
… …
755 IV iv; 1038 IV iv;
756 } *civ, const_iv[] = { 1039 } *civ, const_iv[] = {
757# define const_niv(name, value) { # name, (IV) value }, 1040# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name }, 1041# define const_iv(name) { # name, (IV) name },
759# define const_eio(name) { # name, (IV) EIO_ ## name }, 1042# define const_eio(name) { # name, (IV) EIO_ ## name },
1043
1044 /* you have to re-run ./gendef0 after adding/removing any constants here */
1045 /* the first block can be undef if missing */
1046 const_iv (ENOSYS)
760 const_iv (EXDEV) 1047 const_iv (EXDEV)
761 const_iv (ENOSYS) 1048 const_iv (EBADR)
1049
1050 /* for lseek */
1051 const_iv (SEEK_DATA)
1052 const_iv (SEEK_HOLE)
1053
1054 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1055 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1056 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1057 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1058 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1059 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1060
1061 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1062 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1063 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1064 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1065 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1066
1067 /* the second block will be 0 when missing */
1068 const_iv (O_ACCMODE)
1069
762 const_iv (O_RDONLY) 1070 const_iv (O_RDONLY)
763 const_iv (O_WRONLY) 1071 const_iv (O_WRONLY)
764 const_iv (O_RDWR) 1072 const_iv (O_RDWR)
765 const_iv (O_CREAT) 1073 const_iv (O_CREAT)
766 const_iv (O_TRUNC) 1074 const_iv (O_TRUNC)
767 const_iv (O_EXCL) 1075 const_iv (O_EXCL)
768 const_iv (O_APPEND) 1076 const_iv (O_APPEND)
1077
1078 const_iv (O_ASYNC)
1079 const_iv (O_DIRECT)
1080 const_iv (O_NOATIME)
1081
1082 const_iv (O_CLOEXEC)
1083 const_iv (O_NOCTTY)
1084 const_iv (O_NOFOLLOW)
1085 const_iv (O_NONBLOCK)
1086 const_iv (O_EXEC)
1087 const_iv (O_SEARCH)
1088 const_iv (O_DIRECTORY)
1089 const_iv (O_DSYNC)
1090 const_iv (O_RSYNC)
1091 const_iv (O_SYNC)
1092 const_iv (O_PATH)
1093 const_iv (O_TMPFILE)
1094 const_iv (O_TTY_INIT)
769 1095
770 const_iv (S_IFIFO) 1096 const_iv (S_IFIFO)
771 const_iv (S_IFCHR) 1097 const_iv (S_IFCHR)
772 const_iv (S_IFBLK) 1098 const_iv (S_IFBLK)
773 const_iv (S_IFLNK) 1099 const_iv (S_IFLNK)
774 const_iv (S_IFREG) 1100 const_iv (S_IFREG)
775 const_iv (S_IFDIR) 1101 const_iv (S_IFDIR)
776 const_iv (S_IFWHT) 1102 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK) 1103 const_iv (S_IFSOCK)
778 const_iv (S_IFMT) 1104 const_iv (S_IFMT)
779
780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792 1105
793 const_iv (ST_RDONLY) 1106 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID) 1107 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV) 1108 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC) 1109 const_iv (ST_NOEXEC)
… …
806 const_iv (PROT_NONE) 1119 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC) 1120 const_iv (PROT_EXEC)
808 const_iv (PROT_READ) 1121 const_iv (PROT_READ)
809 const_iv (PROT_WRITE) 1122 const_iv (PROT_WRITE)
810 1123
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE) 1124 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED) 1125 const_iv (MAP_SHARED)
1126 const_iv (MAP_FIXED)
814 const_iv (MAP_ANONYMOUS) 1127 const_iv (MAP_ANONYMOUS)
815 1128
816 /* linuxish */ 1129 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED) 1130 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE) 1131 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE) 1132 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK) 1133 const_iv (MAP_NONBLOCK)
1134 const_iv (MAP_GROWSDOWN)
1135 const_iv (MAP_32BIT)
1136 const_iv (MAP_HUGETLB)
1137 const_iv (MAP_STACK)
1138
1139 const_iv (MREMAP_MAYMOVE)
1140 const_iv (MREMAP_FIXED)
1141
1142 const_iv (F_DUPFD_CLOEXEC)
1143
1144 const_iv (MSG_CMSG_CLOEXEC)
1145 const_iv (SOCK_CLOEXEC)
1146
1147 const_iv (F_OFD_GETLK)
1148 const_iv (F_OFD_SETLK)
1149 const_iv (F_OFD_GETLKW)
1150
1151 const_iv (FIFREEZE)
1152 const_iv (FITHAW)
1153 const_iv (FITRIM)
1154 const_iv (FICLONE)
1155 const_iv (FICLONERANGE)
1156 const_iv (FIDEDUPERANGE)
1157
1158 const_iv (FS_IOC_GETFLAGS)
1159 const_iv (FS_IOC_SETFLAGS)
1160 const_iv (FS_IOC_GETVERSION)
1161 const_iv (FS_IOC_SETVERSION)
1162 const_iv (FS_IOC_FIEMAP)
1163 const_iv (FS_IOC_FSGETXATTR)
1164 const_iv (FS_IOC_FSSETXATTR)
1165 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1166 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1167 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1168
1169 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1170
1171 const_iv (FS_SECRM_FL)
1172 const_iv (FS_UNRM_FL)
1173 const_iv (FS_COMPR_FL)
1174 const_iv (FS_SYNC_FL)
1175 const_iv (FS_IMMUTABLE_FL)
1176 const_iv (FS_APPEND_FL)
1177 const_iv (FS_NODUMP_FL)
1178 const_iv (FS_NOATIME_FL)
1179 const_iv (FS_DIRTY_FL)
1180 const_iv (FS_COMPRBLK_FL)
1181 const_iv (FS_NOCOMP_FL)
1182 const_iv (FS_ENCRYPT_FL)
1183 const_iv (FS_BTREE_FL)
1184 const_iv (FS_INDEX_FL)
1185 const_iv (FS_JOURNAL_DATA_FL)
1186 const_iv (FS_NOTAIL_FL)
1187 const_iv (FS_DIRSYNC_FL)
1188 const_iv (FS_TOPDIR_FL)
1189 const_iv (FS_FL_USER_MODIFIABLE)
1190
1191 const_iv (FS_XFLAG_REALTIME)
1192 const_iv (FS_XFLAG_PREALLOC)
1193 const_iv (FS_XFLAG_IMMUTABLE)
1194 const_iv (FS_XFLAG_APPEND)
1195 const_iv (FS_XFLAG_SYNC)
1196 const_iv (FS_XFLAG_NOATIME)
1197 const_iv (FS_XFLAG_NODUMP)
1198 const_iv (FS_XFLAG_RTINHERIT)
1199 const_iv (FS_XFLAG_PROJINHERIT)
1200 const_iv (FS_XFLAG_NOSYMLINKS)
1201 const_iv (FS_XFLAG_EXTSIZE)
1202 const_iv (FS_XFLAG_EXTSZINHERIT)
1203 const_iv (FS_XFLAG_NODEFRAG)
1204 const_iv (FS_XFLAG_FILESTREAM)
1205 const_iv (FS_XFLAG_DAX)
1206 const_iv (FS_XFLAG_HASATTR)
1207
1208 const_iv (FIEMAP_FLAG_SYNC)
1209 const_iv (FIEMAP_FLAG_XATTR)
1210 const_iv (FIEMAP_FLAGS_COMPAT)
1211 const_iv (FIEMAP_EXTENT_LAST)
1212 const_iv (FIEMAP_EXTENT_UNKNOWN)
1213 const_iv (FIEMAP_EXTENT_DELALLOC)
1214 const_iv (FIEMAP_EXTENT_ENCODED)
1215 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1216 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1217 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1218 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1219 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1220 const_iv (FIEMAP_EXTENT_MERGED)
1221 const_iv (FIEMAP_EXTENT_SHARED)
1222
1223 const_iv (SPLICE_F_MOVE)
1224 const_iv (SPLICE_F_NONBLOCK)
1225 const_iv (SPLICE_F_MORE)
1226 const_iv (SPLICE_F_GIFT)
1227
1228 const_iv (EFD_CLOEXEC)
1229 const_iv (EFD_NONBLOCK)
1230 const_iv (EFD_SEMAPHORE)
1231
1232 const_iv (CLOCK_REALTIME)
1233 const_iv (CLOCK_MONOTONIC)
1234 const_iv (CLOCK_BOOTTIME)
1235 const_iv (CLOCK_REALTIME_ALARM)
1236 const_iv (CLOCK_BOOTTIME_ALARM)
1237
1238 const_iv (TFD_NONBLOCK)
1239 const_iv (TFD_CLOEXEC)
1240
1241 const_iv (TFD_TIMER_ABSTIME)
1242 const_iv (TFD_TIMER_CANCEL_ON_SET)
1243
1244 /* these are libeio constants, and are independent of gendef0 */
1245 const_eio (SEEK_SET)
1246 const_eio (SEEK_CUR)
1247 const_eio (SEEK_END)
822 1248
823 const_eio (MCL_FUTURE) 1249 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT) 1250 const_eio (MCL_CURRENT)
825 1251
826 const_eio (MS_ASYNC) 1252 const_eio (MS_ASYNC)
… …
830 const_eio (MT_MODIFY) 1256 const_eio (MT_MODIFY)
831 1257
832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1258 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833 const_eio (SYNC_FILE_RANGE_WRITE) 1259 const_eio (SYNC_FILE_RANGE_WRITE)
834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1260 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1261
1262 const_eio (FALLOC_FL_KEEP_SIZE)
1263 const_eio (FALLOC_FL_PUNCH_HOLE)
1264 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1265 const_eio (FALLOC_FL_ZERO_RANGE)
1266 const_eio (FALLOC_FL_INSERT_RANGE)
1267 const_eio (FALLOC_FL_UNSHARE_RANGE)
1268
1269 const_eio (RENAME_NOREPLACE)
1270 const_eio (RENAME_EXCHANGE)
1271 const_eio (RENAME_WHITEOUT)
835 1272
836 const_eio (READDIR_DENTS) 1273 const_eio (READDIR_DENTS)
837 const_eio (READDIR_DIRS_FIRST) 1274 const_eio (READDIR_DIRS_FIRST)
838 const_eio (READDIR_STAT_ORDER) 1275 const_eio (READDIR_STAT_ORDER)
839 const_eio (READDIR_FOUND_UNKNOWN) 1276 const_eio (READDIR_FOUND_UNKNOWN)
… …
850 }; 1287 };
851 1288
852 aio_stash = gv_stashpv ("IO::AIO" , 1); 1289 aio_stash = gv_stashpv ("IO::AIO" , 1);
853 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1290 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1291 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1292 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855 1293
856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1294 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1295 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858 1296
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1297 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860 1298
861 create_respipe (); 1299 reinit ();
862
863 if (eio_init (want_poll, done_poll) < 0)
864 croak ("IO::AIO: unable to initialise eio library");
865
866 /* atfork child called in fifo order, so before eio's handler */
867 X_THREAD_ATFORK (0, 0, atfork_child);
868} 1300}
1301
1302void
1303reinit ()
1304 PROTOTYPE:
869 1305
870void 1306void
871max_poll_reqs (unsigned int nreqs) 1307max_poll_reqs (unsigned int nreqs)
872 PROTOTYPE: $ 1308 PROTOTYPE: $
873 CODE: 1309 CODE:
… …
908 PROTOTYPE: $ 1344 PROTOTYPE: $
909 CODE: 1345 CODE:
910 max_outstanding = maxreqs; 1346 max_outstanding = maxreqs;
911 1347
912void 1348void
913aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1349aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
914 PPCODE: 1350 PPCODE:
915{ 1351{
916 dREQ; 1352 dREQ;
917 1353
1354 req->type = EIO_WD_OPEN;
1355 req_set_path1 (req, pathname);
1356
1357 REQ_SEND;
1358}
1359
1360void
1361aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
918 req->type = EIO_OPEN; 1366 req->type = EIO_OPEN;
919 req->sv1 = newSVsv (pathname); 1367 req_set_path1 (req, pathname);
920 req->ptr1 = SvPVbyte_nolen (req->sv1);
921 req->int1 = flags; 1368 req->int1 = flags;
922 req->int2 = mode; 1369 req->int2 = mode;
923 1370
924 REQ_SEND; 1371 REQ_SEND;
925} 1372}
926 1373
927void 1374void
928aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1375aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
929 ALIAS: 1376 ALIAS:
930 aio_fsync = EIO_FSYNC 1377 aio_fsync = EIO_FSYNC
931 aio_fdatasync = EIO_FDATASYNC 1378 aio_fdatasync = EIO_FDATASYNC
1379 aio_syncfs = EIO_SYNCFS
932 PPCODE: 1380 PPCODE:
933{ 1381{
934 int fd = s_fileno_croak (fh, 0); 1382 int fd = s_fileno_croak (fh, 0);
935 dREQ; 1383 dREQ;
936 1384
937 req->type = ix; 1385 req->type = ix;
938 req->sv1 = newSVsv (fh); 1386 req->sv1 = newSVsv (fh);
939 req->int1 = fd; 1387 req->int1 = fd;
940 1388
941 REQ_SEND (req); 1389 REQ_SEND;
942} 1390}
943 1391
944void 1392void
945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1393aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
946 PPCODE: 1394 PPCODE:
947{ 1395{
948 int fd = s_fileno_croak (fh, 0); 1396 int fd = s_fileno_croak (fh, 0);
949 dREQ; 1397 dREQ;
950 1398
951 req->type = EIO_SYNC_FILE_RANGE; 1399 req->type = EIO_SYNC_FILE_RANGE;
952 req->sv1 = newSVsv (fh); 1400 req->sv1 = newSVsv (fh);
953 req->int1 = fd; 1401 req->int1 = fd;
954 req->offs = offset; 1402 req->offs = offset;
955 req->size = nbytes; 1403 req->size = nbytes;
956 req->int2 = flags; 1404 req->int2 = flags;
957 1405
958 REQ_SEND (req); 1406 REQ_SEND;
959} 1407}
960 1408
961void 1409void
962aio_close (SV *fh, SV *callback=&PL_sv_undef) 1410aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
963 PPCODE: 1411 PPCODE:
964{ 1412{
965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
966 int fd = s_fileno_croak (fh, 0); 1413 int fd = s_fileno_croak (fh, 0);
967 dREQ; 1414 dREQ;
968 1415
969 if (close_pipe < 0) 1416 req->type = EIO_FALLOCATE;
1417 req->sv1 = newSVsv (fh);
1418 req->int1 = fd;
1419 req->int2 = mode;
1420 req->offs = offset;
1421 req->size = len;
1422
1423 REQ_SEND;
1424}
1425
1426void
1427aio_close (SV *fh, SV *callback = &PL_sv_undef)
1428 PPCODE:
1429{
1430 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1431 int fd = s_fileno_croak (fh, 0);
1432 dREQ;
1433
1434 if (expect_false (close_fd < 0))
970 { 1435 {
971 int pipefd [2]; 1436 int pipefd [2];
972 1437
1438 if (
1439#ifdef _WIN32
1440 _pipe (pipefd, 1, _O_BINARY) < 0
1441#else
973 if (pipe (pipefd) < 0 1442 pipe (pipefd) < 0
974 || close (pipefd [1]) < 0
975 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1443 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1444#endif
1445 || close (pipefd [1]) < 0
1446 )
976 abort (); /*D*/ 1447 abort (); /*D*/
977 1448
978 close_pipe = pipefd [0]; 1449 close_fd = pipefd [0];
979 } 1450 }
980 1451
981 req->type = EIO_DUP2; 1452 req->type = EIO_DUP2;
982 req->int1 = close_pipe; 1453 req->int1 = close_fd;
983 req->sv2 = newSVsv (fh); 1454 req->sv2 = newSVsv (fh);
984 req->int2 = fd; 1455 req->int2 = fd;
985 1456
986 REQ_SEND (req); 1457 REQ_SEND;
987} 1458}
988 1459
989void 1460void
1461aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1462 PPCODE:
1463{
1464 int fd = s_fileno_croak (fh, 0);
1465 dREQ;
1466
1467 req->type = EIO_SEEK;
1468 req->sv1 = newSVsv (fh);
1469 req->int1 = fd;
1470 req->offs = SvVAL64 (offset);
1471 req->int2 = whence;
1472
1473 REQ_SEND;
1474}
1475
1476void
990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1477aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
991 ALIAS: 1478 ALIAS:
992 aio_read = EIO_READ 1479 aio_read = EIO_READ
993 aio_write = EIO_WRITE 1480 aio_write = EIO_WRITE
994 PPCODE: 1481 PPCODE:
995{ 1482{
… …
1011 len = svlen - dataoffset; 1498 len = svlen - dataoffset;
1012 } 1499 }
1013 else 1500 else
1014 { 1501 {
1015 /* read: check type and grow scalar as necessary */ 1502 /* read: check type and grow scalar as necessary */
1016 SvUPGRADE (data, SVt_PV); 1503 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1017 svptr = SvGROW (data, len + dataoffset + 1); 1504 svptr = sv_grow (data, len + dataoffset + 1);
1505 else if (SvCUR (data) < len + dataoffset)
1506 croak ("length + dataoffset outside of scalar, and cannot grow");
1018 } 1507 }
1019 1508
1020 { 1509 {
1021 dREQ; 1510 dREQ;
1022 1511
… …
1038 REQ_SEND; 1527 REQ_SEND;
1039 } 1528 }
1040} 1529}
1041 1530
1042void 1531void
1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1532aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1533 ALIAS:
1534 aio_ioctl = EIO_IOCTL
1535 aio_fcntl = EIO_FCNTL
1044 PPCODE: 1536 PPCODE:
1045{ 1537{
1046 SV *data; 1538 int fd = s_fileno_croak (fh, 0);
1539 char *svptr;
1540
1541 if (SvPOK (arg) || !SvNIOK (arg))
1542 {
1543 STRLEN svlen;
1544 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1545#ifdef IOCPARM_LEN
1546 STRLEN need = IOCPARM_LEN (request);
1547#else
1548 STRLEN need = 256;
1549#endif
1550
1551 if (svlen < need)
1552 svptr = SvGROW (arg, need);
1553 }
1554 else
1555 svptr = (char *)SvIV (arg);
1556
1557 {
1558 dREQ;
1559
1560 req->type = ix;
1561 req->sv1 = newSVsv (fh);
1562 req->int1 = fd;
1563 req->int2 = (long)request;
1564 req->sv2 = SvREFCNT_inc (arg);
1565 req->ptr2 = svptr;
1566
1567 REQ_SEND;
1568 }
1569}
1570
1571void
1572aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1573 ALIAS:
1574 aio_readlink = EIO_READLINK
1575 aio_realpath = EIO_REALPATH
1576 PPCODE:
1577{
1047 dREQ; 1578 dREQ;
1048 1579
1049 req->type = EIO_READLINK; 1580 req->type = ix;
1050 req->sv1 = newSVsv (path); 1581 req_set_path1 (req, pathname);
1051 req->ptr1 = SvPVbyte_nolen (req->sv1);
1052 1582
1053 REQ_SEND; 1583 REQ_SEND;
1054} 1584}
1055 1585
1056void 1586void
1057aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1587aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1058 PPCODE: 1588 PPCODE:
1059{ 1589{
1060 int ifd = s_fileno_croak (in_fh , 0); 1590 int ifd = s_fileno_croak (in_fh , 0);
1061 int ofd = s_fileno_croak (out_fh, 1); 1591 int ofd = s_fileno_croak (out_fh, 1);
1062 dREQ; 1592 dREQ;
1063 1593
1064 req->type = EIO_SENDFILE; 1594 req->type = EIO_SENDFILE;
1065 req->sv1 = newSVsv (out_fh); 1595 req->sv1 = newSVsv (out_fh);
1066 req->int1 = ofd; 1596 req->int1 = ofd;
… …
1071 1601
1072 REQ_SEND; 1602 REQ_SEND;
1073} 1603}
1074 1604
1075void 1605void
1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1606aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1077 PPCODE: 1607 PPCODE:
1078{ 1608{
1079 int fd = s_fileno_croak (fh, 0); 1609 int fd = s_fileno_croak (fh, 0);
1080 dREQ; 1610 dREQ;
1081 1611
1082 req->type = EIO_READAHEAD; 1612 req->type = EIO_READAHEAD;
1083 req->sv1 = newSVsv (fh); 1613 req->sv1 = newSVsv (fh);
1084 req->int1 = fd; 1614 req->int1 = fd;
… …
1087 1617
1088 REQ_SEND; 1618 REQ_SEND;
1089} 1619}
1090 1620
1091void 1621void
1092aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1622aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1093 ALIAS: 1623 ALIAS:
1094 aio_stat = EIO_STAT 1624 aio_stat = EIO_STAT
1095 aio_lstat = EIO_LSTAT 1625 aio_lstat = EIO_LSTAT
1096 aio_statvfs = EIO_STATVFS 1626 aio_statvfs = EIO_STATVFS
1097 PPCODE: 1627 PPCODE:
1098{ 1628{
1099 dREQ; 1629 dREQ;
1100 1630
1101 req->sv1 = newSVsv (fh_or_path); 1631 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1102
1103 if (SvPOK (req->sv1))
1104 {
1105 req->type = ix;
1106 req->ptr1 = SvPVbyte_nolen (req->sv1);
1107 }
1108 else
1109 {
1110 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1111 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1112 }
1113 1632
1114 REQ_SEND; 1633 REQ_SEND;
1115} 1634}
1635
1636void
1637st_xtime ()
1638 ALIAS:
1639 st_atime = 1
1640 st_mtime = 2
1641 st_ctime = 4
1642 st_xtime = 7
1643 PPCODE:
1644 EXTEND (SP, 3);
1645 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1646 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1647 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1648
1649void
1650st_xtimensec ()
1651 ALIAS:
1652 st_atimensec = 1
1653 st_mtimensec = 2
1654 st_ctimensec = 4
1655 st_xtimensec = 7
1656 PPCODE:
1657 EXTEND (SP, 3);
1658 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1659 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1660 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1116 1661
1117UV 1662UV
1118major (UV dev) 1663major (UV dev)
1119 ALIAS: 1664 ALIAS:
1120 minor = 1 1665 minor = 1
1121 CODE: 1666 CODE:
1122 RETVAL = ix ? major (dev) : minor (dev); 1667 RETVAL = ix ? minor (dev) : major (dev);
1123 OUTPUT: 1668 OUTPUT:
1124 RETVAL 1669 RETVAL
1125 1670
1126UV 1671UV
1127makedev (UV maj, UV min) 1672makedev (UV maj, UV min)
… …
1129 RETVAL = makedev (maj, min); 1674 RETVAL = makedev (maj, min);
1130 OUTPUT: 1675 OUTPUT:
1131 RETVAL 1676 RETVAL
1132 1677
1133void 1678void
1134aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1679aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1135 PPCODE: 1680 PPCODE:
1136{ 1681{
1137 dREQ; 1682 dREQ;
1138 1683
1139 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1684 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1140 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1685 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1141 req->sv1 = newSVsv (fh_or_path); 1686 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1142
1143 if (SvPOK (req->sv1))
1144 {
1145 req->type = EIO_UTIME;
1146 req->ptr1 = SvPVbyte_nolen (req->sv1);
1147 }
1148 else
1149 {
1150 req->type = EIO_FUTIME;
1151 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1152 }
1153 1687
1154 REQ_SEND; 1688 REQ_SEND;
1155} 1689}
1156 1690
1157void 1691void
1158aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1692aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1159 PPCODE: 1693 PPCODE:
1160{ 1694{
1161 dREQ; 1695 dREQ;
1162 1696
1163 req->sv1 = newSVsv (fh_or_path);
1164 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1697 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1165 1698 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1166 if (SvPOK (req->sv1))
1167 {
1168 req->type = EIO_TRUNCATE;
1169 req->ptr1 = SvPVbyte_nolen (req->sv1);
1170 }
1171 else
1172 {
1173 req->type = EIO_FTRUNCATE;
1174 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1175 }
1176 1699
1177 REQ_SEND; 1700 REQ_SEND;
1178} 1701}
1179 1702
1180void 1703void
1181aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1704aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1182 ALIAS:
1183 aio_chmod = EIO_CHMOD
1184 aio_mkdir = EIO_MKDIR
1185 PPCODE: 1705 PPCODE:
1186{ 1706{
1187 dREQ; 1707 dREQ;
1188 1708
1189 req->int2 = mode; 1709 req->int2 = mode;
1190 req->sv1 = newSVsv (fh_or_path); 1710 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1191
1192 if (SvPOK (req->sv1))
1193 {
1194 req->type = ix;
1195 req->ptr1 = SvPVbyte_nolen (req->sv1);
1196 }
1197 else
1198 {
1199 req->type = EIO_FCHMOD;
1200 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201 }
1202 1711
1203 REQ_SEND; 1712 REQ_SEND;
1204} 1713}
1205 1714
1206void 1715void
1207aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1716aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1208 PPCODE: 1717 PPCODE:
1209{ 1718{
1210 dREQ; 1719 dREQ;
1211 1720
1212 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1721 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1213 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1722 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1214 req->sv1 = newSVsv (fh_or_path); 1723 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1215
1216 if (SvPOK (req->sv1))
1217 {
1218 req->type = EIO_CHOWN;
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 }
1221 else
1222 {
1223 req->type = EIO_FCHOWN;
1224 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1225 }
1226 1724
1227 REQ_SEND; 1725 REQ_SEND;
1228} 1726}
1229 1727
1230void 1728void
1231aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1729aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1232 PPCODE: 1730 PPCODE:
1233{ 1731{
1234 dREQ; 1732 dREQ;
1235 1733
1236 req->type = EIO_READDIR; 1734 req->type = EIO_READDIR;
1237 req->sv1 = newSVsv (pathname);
1238 req->ptr1 = SvPVbyte_nolen (req->sv1);
1239 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1735 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1240 1736
1241 if (flags & EIO_READDIR_DENTS) 1737 if (flags & EIO_READDIR_DENTS)
1242 req->int1 |= EIO_READDIR_CUSTOM2; 1738 req->int1 |= EIO_READDIR_CUSTOM2;
1243 1739
1740 req_set_path1 (req, pathname);
1741
1244 REQ_SEND; 1742 REQ_SEND;
1245} 1743}
1246 1744
1247void 1745void
1746aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1747 PPCODE:
1748{
1749 dREQ;
1750
1751 req->type = EIO_MKDIR;
1752 req->int2 = mode;
1753 req_set_path1 (req, pathname);
1754
1755 REQ_SEND;
1756}
1757
1758void
1248aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1759aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1249 ALIAS: 1760 ALIAS:
1250 aio_unlink = EIO_UNLINK 1761 aio_unlink = EIO_UNLINK
1251 aio_rmdir = EIO_RMDIR 1762 aio_rmdir = EIO_RMDIR
1252 aio_readdir = EIO_READDIR 1763 aio_readdir = EIO_READDIR
1253 PPCODE: 1764 PPCODE:
1254{ 1765{
1255 dREQ; 1766 dREQ;
1256 1767
1257 req->type = ix; 1768 req->type = ix;
1258 req->sv1 = newSVsv (pathname); 1769 req_set_path1 (req, pathname);
1259 req->ptr1 = SvPVbyte_nolen (req->sv1);
1260 1770
1261 REQ_SEND; 1771 REQ_SEND;
1262} 1772}
1263 1773
1264void 1774void
1265aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1775aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1266 ALIAS: 1776 ALIAS:
1267 aio_link = EIO_LINK 1777 aio_link = EIO_LINK
1268 aio_symlink = EIO_SYMLINK 1778 aio_symlink = EIO_SYMLINK
1269 aio_rename = EIO_RENAME 1779 aio_rename = EIO_RENAME
1270 PPCODE: 1780 PPCODE:
1271{ 1781{
1782 eio_wd wd2 = 0;
1272 dREQ; 1783 dREQ;
1273 1784
1274 req->type = ix; 1785 req->type = ix;
1275 req->sv1 = newSVsv (oldpath); 1786 req_set_path1 (req, oldpath);
1276 req->ptr1 = SvPVbyte_nolen (req->sv1); 1787 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1277 req->sv2 = newSVsv (newpath); 1788 req->int3 = (long)wd2;
1278 req->ptr2 = SvPVbyte_nolen (req->sv2);
1279 1789
1280 REQ_SEND; 1790 REQ_SEND;
1281} 1791}
1282 1792
1283void 1793void
1794aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1795 PPCODE:
1796{
1797 eio_wd wd2 = 0;
1798 dREQ;
1799
1800 req->type = EIO_RENAME;
1801 req_set_path1 (req, oldpath);
1802 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1803 req->int2 = flags;
1804 req->int3 = (long)wd2;
1805
1806 REQ_SEND;
1807}
1808
1809void
1284aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1810aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1285 PPCODE: 1811 PPCODE:
1286{ 1812{
1287 dREQ; 1813 dREQ;
1288 1814
1289 req->type = EIO_MKNOD; 1815 req->type = EIO_MKNOD;
1290 req->sv1 = newSVsv (pathname);
1291 req->ptr1 = SvPVbyte_nolen (req->sv1);
1292 req->int2 = (mode_t)mode; 1816 req->int2 = (mode_t)mode;
1293 req->offs = dev; 1817 req->offs = dev;
1818 req_set_path1 (req, pathname);
1294 1819
1295 REQ_SEND; 1820 REQ_SEND;
1296} 1821}
1297 1822
1298void 1823void
1299aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1824aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1300 ALIAS: 1825 ALIAS:
1301 aio_mtouch = EIO_MTOUCH 1826 aio_mtouch = EIO_MTOUCH
1302 aio_msync = EIO_MSYNC 1827 aio_msync = EIO_MSYNC
1303 PPCODE: 1828 PPCODE:
1304{ 1829{
1305 STRLEN svlen; 1830 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen); 1831 char *svptr = SvPVbyte (data, svlen);
1307 UV len = SvUV (length); 1832 UV len = SvUV (length);
1833
1834 if (flags < 0)
1835 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1308 1836
1309 if (offset < 0) 1837 if (offset < 0)
1310 offset += svlen; 1838 offset += svlen;
1311 1839
1312 if (offset < 0 || offset > svlen) 1840 if (offset < 0 || offset > svlen)
… …
1327 REQ_SEND; 1855 REQ_SEND;
1328 } 1856 }
1329} 1857}
1330 1858
1331void 1859void
1332aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1860aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1333 PPCODE: 1861 PPCODE:
1334{ 1862{
1335 STRLEN svlen; 1863 STRLEN svlen;
1336 char *svptr = SvPVbyte (data, svlen); 1864 char *svptr = SvPVbyte (data, svlen);
1337 UV len = SvUV (length); 1865 UV len = SvUV (length);
… …
1356 REQ_SEND; 1884 REQ_SEND;
1357 } 1885 }
1358} 1886}
1359 1887
1360void 1888void
1361aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1889aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1362 PPCODE: 1890 PPCODE:
1363{ 1891{
1364 dREQ; 1892 dREQ;
1365 1893
1366 req->type = EIO_MLOCKALL; 1894 req->type = EIO_MLOCKALL;
… …
1368 1896
1369 REQ_SEND; 1897 REQ_SEND;
1370} 1898}
1371 1899
1372void 1900void
1901aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1902 PPCODE:
1903{
1904 int fd = s_fileno_croak (fh, 0);
1905 dREQ;
1906
1907 req->type = EIO_CUSTOM;
1908 req->sv1 = newSVsv (fh);
1909 req->int1 = fd;
1910
1911 req->feed = fiemap;
1912#if HAVE_FIEMAP
1913 /* keep our fingers crossed that the next two types are 64 bit */
1914 req->offs = start;
1915 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1916 req->int2 = flags;
1917 req->int3 = SvOK (count) ? SvIV (count) : -1;
1918#endif
1919
1920 REQ_SEND;
1921}
1922
1923void
1924aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1925 PPCODE:
1926{
1927 char *svptr = 0;
1928
1929 sv_clear_foreign (data);
1930
1931 if (length) /* known length, directly read into scalar */
1932 {
1933 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1934 svptr = sv_grow (data, length + 1);
1935 else if (SvCUR (data) < length)
1936 croak ("length outside of scalar, and cannot grow");
1937 else
1938 svptr = SvPVbyte_nolen (data);
1939 }
1940
1941 {
1942 dREQ;
1943
1944 req->type = EIO_SLURP;
1945 req_set_path1 (req, pathname);
1946 req->offs = offset;
1947 req->size = length;
1948 req->sv2 = SvREFCNT_inc (data);
1949 req->ptr2 = svptr;
1950
1951 if (!SvREADONLY (data))
1952 {
1953 SvREADONLY_on (data);
1954 req->flags |= FLAG_SV2_RO_OFF;
1955 }
1956
1957 REQ_SEND;
1958 }
1959}
1960
1961void
1373aio_busy (double delay, SV *callback=&PL_sv_undef) 1962aio_busy (double delay, SV *callback = &PL_sv_undef)
1374 PPCODE: 1963 PPCODE:
1375{ 1964{
1376 dREQ; 1965 dREQ;
1377 1966
1378 req->type = EIO_BUSY; 1967 req->type = EIO_BUSY;
… …
1380 1969
1381 REQ_SEND; 1970 REQ_SEND;
1382} 1971}
1383 1972
1384void 1973void
1385aio_group (SV *callback=&PL_sv_undef) 1974aio_group (SV *callback = &PL_sv_undef)
1386 PPCODE: 1975 PPCODE:
1387{ 1976{
1388 dREQ; 1977 dREQ;
1389 1978
1390 req->type = EIO_GROUP; 1979 req->type = EIO_GROUP;
1391 1980
1981 PUTBACK;
1392 req_submit (req); 1982 req_submit (req);
1983 SPAGAIN;
1984
1393 XPUSHs (req_sv (req, aio_grp_stash)); 1985 XPUSHs (req_sv (req, aio_grp_stash));
1394} 1986}
1395 1987
1396void 1988void
1397aio_nop (SV *callback=&PL_sv_undef) 1989aio_nop (SV *callback = &PL_sv_undef)
1398 ALIAS: 1990 ALIAS:
1399 aio_nop = EIO_NOP 1991 aio_nop = EIO_NOP
1400 aio_sync = EIO_SYNC 1992 aio_sync = EIO_SYNC
1401 PPCODE: 1993 PPCODE:
1402{ 1994{
… …
1406 1998
1407 REQ_SEND; 1999 REQ_SEND;
1408} 2000}
1409 2001
1410int 2002int
1411aioreq_pri (int pri = 0) 2003aioreq_pri (int pri = NO_INIT)
1412 CODE: 2004 CODE:
1413 RETVAL = next_pri; 2005 RETVAL = next_pri;
1414 if (items > 0) 2006 if (items > 0)
1415 { 2007 {
1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2008 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1498 CODE: 2090 CODE:
1499 RETVAL = posix_fadvise (fh, offset, length, advice); 2091 RETVAL = posix_fadvise (fh, offset, length, advice);
1500 OUTPUT: 2092 OUTPUT:
1501 RETVAL 2093 RETVAL
1502 2094
1503ssize_t 2095IV
1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2096sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1505 CODE: 2097 CODE:
1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2098 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1507 OUTPUT: 2099 OUTPUT:
1508 RETVAL 2100 RETVAL
1509 2101
1510void 2102void
1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2103mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1512 PPCODE: 2104 PPCODE:
1513 sv_unmagic (scalar, MMAP_MAGIC); 2105 sv_clear_foreign (scalar);
1514{ 2106{
1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2107 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2108 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1517 if (addr == (void *)-1) 2109 if (addr == (void *)-1)
1518 XSRETURN_NO; 2110 XSRETURN_NO;
1519 2111
1520 sv_force_normal (scalar); 2112 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1521
1522 /* we store the length in mg_obj, as namlen is I32 :/ */
1523 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1524 ->mg_obj = (SV *)length;
1525
1526 SvUPGRADE (scalar, SVt_PV); /* nop... */
1527 2113
1528 if (!(prot & PROT_WRITE)) 2114 if (!(prot & PROT_WRITE))
1529 SvREADONLY_on (scalar); 2115 SvREADONLY_on (scalar);
1530 2116
1531 if (SvLEN (scalar))
1532 Safefree (SvPVX (scalar));
1533
1534 SvPVX (scalar) = (char *)addr;
1535 SvCUR_set (scalar, length);
1536 SvLEN_set (scalar, 0);
1537 SvPOK_only (scalar);
1538
1539 XSRETURN_YES; 2117 XSRETURN_YES;
1540} 2118}
1541 2119
1542void 2120void
1543munmap (SV *scalar) 2121munmap (SV *scalar)
1544 CODE: 2122 CODE:
1545 sv_unmagic (scalar, MMAP_MAGIC); 2123 sv_clear_foreign (scalar);
2124
2125SV *
2126mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2127 CODE:
2128{
2129 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2130 void *new;
2131
2132 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2133 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2134
2135 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2136
2137 RETVAL = &PL_sv_no;
2138
2139 if (new != (void *)-1)
2140 {
2141 RETVAL = new == (void *)mg->mg_ptr
2142 ? newSVpvn ("0 but true", 10)
2143 : &PL_sv_yes;
2144
2145 mg->mg_ptr = (char *)new;
2146 mg->mg_obj = (SV *)new_length;
2147
2148 SvPVX (scalar) = mg->mg_ptr;
2149 SvCUR_set (scalar, new_length);
2150 }
2151}
2152 OUTPUT:
2153 RETVAL
1546 2154
1547int 2155int
1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2156madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1549 ALIAS: 2157 ALIAS:
1550 mprotect = 1 2158 mprotect = 1
1551 CODE: 2159 CODE:
1552{ 2160{
1553 STRLEN svlen; 2161 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen); 2162 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length); 2163 STRLEN len = SvUV (length);
1556 2164
1557 if (offset < 0) 2165 if (offset < 0)
1558 offset += svlen; 2166 offset += svlen;
1559 2167
1560 if (offset < 0 || offset > svlen) 2168 if (offset < 0 || offset > svlen)
… …
1574} 2182}
1575 OUTPUT: 2183 OUTPUT:
1576 RETVAL 2184 RETVAL
1577 2185
1578int 2186int
1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2187munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1580 CODE: 2188 CODE:
1581{ 2189{
1582 STRLEN svlen; 2190 STRLEN svlen;
1583 void *addr = SvPVbyte (scalar, svlen); 2191 void *addr = SvPVbyte (scalar, svlen);
1584 size_t len = SvUV (length); 2192 size_t len = SvUV (length);
1585 2193
1586 if (offset < 0) 2194 if (offset < 0)
1587 offset += svlen; 2195 offset += svlen;
1588 2196
… …
1595 addr = (void *)(((intptr_t)addr) + offset); 2203 addr = (void *)(((intptr_t)addr) + offset);
1596 eio_page_align (&addr, &len); 2204 eio_page_align (&addr, &len);
1597#if _POSIX_MEMLOCK_RANGE 2205#if _POSIX_MEMLOCK_RANGE
1598 RETVAL = munlock (addr, len); 2206 RETVAL = munlock (addr, len);
1599#else 2207#else
1600 RETVAL = ((errno = ENOSYS), -1); 2208 RETVAL = EIO_ENOSYS ();
1601#endif 2209#endif
1602} 2210}
1603 OUTPUT: 2211 OUTPUT:
1604 RETVAL 2212 RETVAL
1605 2213
… …
1607munlockall () 2215munlockall ()
1608 CODE: 2216 CODE:
1609#if _POSIX_MEMLOCK 2217#if _POSIX_MEMLOCK
1610 munlockall (); 2218 munlockall ();
1611#else 2219#else
1612 RETVAL = -1; 2220 RETVAL = EIO_ENOSYS ();
1613 errno = ENOSYS;
1614#endif 2221#endif
1615 OUTPUT: 2222 OUTPUT:
1616 RETVAL 2223 RETVAL
2224
2225int
2226splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2227 CODE:
2228{
2229#if HAVE_LINUX_SPLICE
2230 loff_t off_in_, off_out_;
2231 RETVAL = splice (
2232 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2233 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2234 length, flags
2235 );
2236#else
2237 RETVAL = EIO_ENOSYS ();
2238#endif
2239}
2240 OUTPUT:
2241 RETVAL
2242
2243int
2244tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2245 CODE:
2246#if HAVE_LINUX_SPLICE
2247 RETVAL = tee (rfh, wfh, length, flags);
2248#else
2249 RETVAL = EIO_ENOSYS ();
2250#endif
2251 OUTPUT:
2252 RETVAL
2253
2254int
2255pipesize (aio_rfd rfh, int new_size = -1)
2256 PROTOTYPE: $;$
2257 CODE:
2258#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2259 if (new_size >= 0)
2260 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2261 else
2262 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2263#else
2264 errno = ENOSYS;
2265 RETVAL = -1;
2266#endif
2267 OUTPUT:
2268 RETVAL
2269
2270void
2271pipe2 (int flags = 0)
2272 PROTOTYPE: ;$
2273 PPCODE:
2274{
2275 int fd[2];
2276 int res;
2277
2278 if (flags)
2279#if HAVE_PIPE2
2280 res = pipe2 (fd, flags);
2281#else
2282 res = (errno = ENOSYS, -1);
2283#endif
2284 else
2285 res = pipe (fd);
2286
2287 if (!res)
2288 {
2289 EXTEND (SP, 2);
2290 PUSHs (newmortalFH (fd[0], O_RDONLY));
2291 PUSHs (newmortalFH (fd[1], O_WRONLY));
2292 }
2293}
2294
2295void
2296eventfd (unsigned int initval = 0, int flags = 0)
2297 PPCODE:
2298{
2299 int fd;
2300#if HAVE_EVENTFD
2301 fd = eventfd (initval, flags);
2302#else
2303 fd = (errno = ENOSYS, -1);
2304#endif
2305
2306 XPUSHs (newmortalFH (fd, O_RDWR));
2307}
2308
2309void
2310timerfd_create (int clockid, int flags = 0)
2311 PPCODE:
2312{
2313 int fd;
2314#if HAVE_TIMERFD
2315 fd = timerfd_create (clockid, flags);
2316#else
2317 fd = (errno = ENOSYS, -1);
2318#endif
2319
2320 XPUSHs (newmortalFH (fd, O_RDWR));
2321}
2322
2323void
2324timerfd_settime (SV *fh, int flags, NV interval, NV value)
2325 PPCODE:
2326{
2327 int fd = s_fileno_croak (fh, 0);
2328#if HAVE_TIMERFD
2329 int res;
2330 struct itimerspec its, ots;
2331
2332 ts_set (&its.it_interval, interval);
2333 ts_set (&its.it_value , value);
2334 res = timerfd_settime (fd, flags, &its, &ots);
2335
2336 if (!res)
2337 {
2338 EXTEND (SP, 2);
2339 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2340 PUSHs (newSVnv (ts_get (&ots.it_value)));
2341 }
2342#else
2343 errno = ENOSYS;
2344#endif
2345}
2346
2347void
2348timerfd_gettime (SV *fh)
2349 PPCODE:
2350{
2351 int fd = s_fileno_croak (fh, 0);
2352#if HAVE_TIMERFD
2353 int res;
2354 struct itimerspec ots;
2355 res = timerfd_gettime (fd, &ots);
2356
2357 if (!res)
2358 {
2359 EXTEND (SP, 2);
2360 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2361 PUSHs (newSVnv (ts_get (&ots.it_value)));
2362 }
2363#else
2364 errno = ENOSYS;
2365#endif
2366}
2367
2368UV
2369get_fdlimit ()
2370 CODE:
2371#if HAVE_RLIMITS
2372 struct rlimit rl;
2373 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2374 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2375#endif
2376 XSRETURN_UNDEF;
2377 OUTPUT:
2378 RETVAL
2379
2380void
2381min_fdlimit (UV limit = 0x7fffffffU)
2382 CODE:
2383{
2384#if HAVE_RLIMITS
2385 struct rlimit rl;
2386 rlim_t orig_rlim_max;
2387 UV bit;
2388
2389 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2390 goto fail;
2391
2392 if (rl.rlim_cur == RLIM_INFINITY)
2393 XSRETURN_YES;
2394
2395 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2396
2397 if (rl.rlim_cur < limit)
2398 {
2399 rl.rlim_cur = limit;
2400
2401 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2402 rl.rlim_max = rl.rlim_cur;
2403 }
2404
2405 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2406 XSRETURN_YES;
2407
2408 if (errno == EPERM)
2409 {
2410 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2411 /* our limit overflows a system-wide limit */
2412 /* try an adaptive algorithm, but do not lower the hardlimit */
2413 rl.rlim_max = 0;
2414 for (bit = 0x40000000U; bit; bit >>= 1)
2415 {
2416 rl.rlim_max |= bit;
2417 rl.rlim_cur = rl.rlim_max;
2418
2419 /* nevr decrease the hard limit */
2420 if (rl.rlim_max < orig_rlim_max)
2421 break;
2422
2423 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2424 rl.rlim_max &= ~bit; /* too high, remove bit again */
2425 }
2426
2427 /* now, raise the soft limit to the max permitted */
2428 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2429 {
2430 rl.rlim_cur = rl.rlim_max;
2431 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2432 errno = EPERM;
2433 }
2434 }
2435#endif
2436 fail:
2437 XSRETURN_UNDEF;
2438}
1617 2439
1618void _on_next_submit (SV *cb) 2440void _on_next_submit (SV *cb)
1619 CODE: 2441 CODE:
1620 SvREFCNT_dec (on_next_submit); 2442 SvREFCNT_dec (on_next_submit);
1621 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2443 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1622 2444
1623PROTOTYPES: DISABLE 2445PROTOTYPES: DISABLE
1624 2446
2447MODULE = IO::AIO PACKAGE = IO::AIO::WD
2448
2449BOOT:
2450{
2451 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2452 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2453}
2454
2455void
2456DESTROY (SV *self)
2457 CODE:
2458{
2459 aio_wd wd = SvAIO_WD (self);
2460#if HAVE_AT
2461 {
2462 SV *callback = &PL_sv_undef;
2463 dREQ; /* clobbers next_pri :/ */
2464 next_pri = req->pri; /* restore next_pri */
2465 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2466 req->type = EIO_WD_CLOSE;
2467 req->wd = wd;
2468 REQ_SEND;
2469 }
2470#else
2471 eio_wd_close_sync (wd);
2472#endif
2473}
2474
1625MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2475MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1626 2476
1627void 2477void
1628cancel (aio_req_ornot req) 2478cancel (aio_req_ornot req)
1629 CODE: 2479 CODE:
1630 eio_cancel (req); 2480 eio_cancel (req);
1631 2481
1632void 2482void
1633cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2483cb (aio_req_ornot req, SV *callback = NO_INIT)
1634 PPCODE: 2484 PPCODE:
1635{ 2485{
1636 if (GIMME_V != G_VOID) 2486 if (GIMME_V != G_VOID)
1637 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2487 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1638 2488
1639 if (items > 1) 2489 if (items > 1)
1640 { 2490 {
1641 SV *cb_cv =get_cb (callback); 2491 SV *cb_cv = get_cb (callback);
1642 2492
1643 SvREFCNT_dec (req->callback); 2493 SvREFCNT_dec (req->callback);
1644 req->callback = SvREFCNT_inc (cb_cv); 2494 req->callback = SvREFCNT_inc (cb_cv);
1645 } 2495 }
1646} 2496}
… …
1703limit (aio_req grp, int limit) 2553limit (aio_req grp, int limit)
1704 CODE: 2554 CODE:
1705 eio_grp_limit (grp, limit); 2555 eio_grp_limit (grp, limit);
1706 2556
1707void 2557void
1708feed (aio_req grp, SV *callback=&PL_sv_undef) 2558feed (aio_req grp, SV *callback = &PL_sv_undef)
1709 CODE: 2559 CODE:
1710{ 2560{
1711 SvREFCNT_dec (grp->sv2); 2561 SvREFCNT_dec (grp->sv2);
1712 grp->sv2 = newSVsv (callback); 2562 grp->sv2 = newSVsv (callback);
1713 grp->feed = aio_grp_feed; 2563 grp->feed = aio_grp_feed;

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