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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.186 by root, Thu Jul 14 22:36:17 2011 UTC vs.
Revision 1.266 by root, Tue Aug 14 14:03:14 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 <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 22
23#if HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
28
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 30# include <sys/mman.h>
22#endif 31#endif
23 32
33/* the incompetent fool that created musl keeps __linux__, refuses
34 * to implement any linux standard apis, and also has no way to test
35 * for his broken iplementation. don't complain to me if this fails
36 * for you.
37 */
38#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
39# include <linux/fs.h>
40# ifdef FS_IOC_FIEMAP
41# include <linux/types.h>
42# include <linux/fiemap.h>
43# define HAVE_FIEMAP 1
44# endif
45#endif
46
24/* perl namespace pollution */ 47/* perl namespace pollution */
25#undef VERSION 48#undef VERSION
26
27#ifdef _WIN32
28
29# define EIO_STRUCT_DIRENT Direntry_t
30# undef malloc
31# undef free
32
33// perl overrides all those nice win32 functions
34# undef open
35# undef read
36# undef write
37# undef send
38# undef recv
39# undef stat
40# undef fstat
41# define lstat stat
42# undef truncate
43# undef ftruncate
44# undef open
45# undef close
46# undef unlink
47# undef rmdir
48# undef rename
49# undef lseek
50
51# define opendir(fd) (errno = ENOSYS, 0)
52# define readdir(fd) (errno = ENOSYS, -1)
53# define closedir(fd) (errno = ENOSYS, -1)
54
55#else
56
57# include <sys/time.h>
58# include <sys/select.h>
59# include <unistd.h>
60# include <utime.h>
61# include <signal.h>
62# define EIO_STRUCT_DIRENT struct dirent
63
64#endif
65 49
66/* perl stupidly overrides readdir and maybe others */ 50/* perl stupidly overrides readdir and maybe others */
67/* with thread-unsafe versions, imagine that :( */ 51/* with thread-unsafe versions, imagine that :( */
68#undef readdir 52#undef readdir
69#undef opendir 53#undef opendir
70#undef closedir 54#undef closedir
71 55
56#ifdef _WIN32
57
58 // perl overrides all those nice libc functions
59
60 #undef malloc
61 #undef free
62 #undef open
63 #undef read
64 #undef write
65 #undef send
66 #undef recv
67 #undef stat
68 #undef lstat
69 #undef fstat
70 #undef truncate
71 #undef ftruncate
72 #undef open
73 #undef link
74 #undef close
75 #undef unlink
76 #undef mkdir
77 #undef rmdir
78 #undef rename
79 #undef lseek
80 #undef opendir
81 #undef readdir
82 #undef closedir
83 #undef chmod
84 #undef fchmod
85 #undef dup
86 #undef dup2
87 #undef abort
88 #undef pipe
89
90 #define EIO_STRUCT_STAT struct _stati64
72#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STATI64
73 92
74/* use NV for 32 bit perls as it allows larger offsets */
75#if IVSIZE >= 8
76# define VAL64 IV
77# define SvVAL64 SvIV
78# define newSVval64 newSViv
79#else 93#else
80# define VAL64 NV 94
81# define SvVAL64 SvNV 95 #include <sys/time.h>
82# define newSVval64 newSVnv 96 #include <sys/select.h>
97 #include <unistd.h>
98 #include <utime.h>
99 #include <signal.h>
100
101 #define EIO_STRUCT_STAT Stat_t
102
83#endif 103#endif
84 104
85/*****************************************************************************/ 105/*****************************************************************************/
86 106
87#if __GNUC__ >= 3 107#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 113#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 114#define expect_true(expr) expect ((expr) != 0, 1)
95 115
96/*****************************************************************************/ 116/*****************************************************************************/
97 117
118#include "config.h"
119
120#if HAVE_ST_XTIMENSEC
121# define ATIMENSEC PL_statcache.st_atimensec
122# define MTIMENSEC PL_statcache.st_mtimensec
123# define CTIMENSEC PL_statcache.st_ctimensec
124#elif HAVE_ST_XTIMESPEC
125# define ATIMENSEC PL_statcache.st_atim.tv_nsec
126# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
127# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
128#else
129# define ATIMENSEC 0
130# define MTIMENSEC 0
131# define CTIMENSEC 0
132#endif
133
134#include "schmorp.h"
135
136#if HAVE_EVENTFD
137# include <sys/eventfd.h>
138#endif
139
140#if HAVE_TIMERFD
141# include <sys/timerfd.h>
142#endif
143
144#if HAVE_RLIMITS
145 #include <sys/time.h>
146 #include <sys/resource.h>
147#endif
148
98typedef SV SV8; /* byte-sv, used for argument-checking */ 149typedef SV SV8; /* byte-sv, used for argument-checking */
99typedef int aio_rfd; /* read file desriptor */ 150typedef int aio_rfd; /* read file desriptor */
100typedef int aio_wfd; /* write file descriptor */ 151typedef int aio_wfd; /* write file descriptor */
101 152
102static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 153static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
103 154
104#define EIO_REQ_MEMBERS \ 155#define EIO_REQ_MEMBERS \
105 SV *callback; \ 156 SV *callback; \
106 SV *sv1, *sv2; \ 157 SV *sv1, *sv2; \
158 SV *sv3, *sv4; \
107 STRLEN stroffset; \ 159 STRLEN stroffset; \
108 SV *self; 160 SV *self;
109 161
110#define EIO_NO_WRAPPERS 1 162#define EIO_NO_WRAPPERS 1
111 163
112#include "libeio/config.h"
113#include "libeio/eio.h" 164#include "libeio/eio.h"
114 165
115/* Linux/others */ 166static int req_invoke (eio_req *req);
116#ifndef O_ASYNC 167#define EIO_FINISH(req) req_invoke (req)
117# define O_ASYNC 0 168static void req_destroy (eio_req *grp);
118#endif 169#define EIO_DESTROY(req) req_destroy (req)
119#ifndef O_DIRECT
120# define O_DIRECT 0
121#endif
122#ifndef O_NOATIME
123# define O_NOATIME 0
124#endif
125 170
126/* POSIX */ 171#include "libeio/eio.c"
127#ifndef O_CLOEXEC
128# define O_CLOEXEC 0
129#endif
130#ifndef O_NOFOLLOW
131# define O_NOFOLLOW 0
132#endif
133#ifndef O_NOCTTY
134# define O_NOCTTY 0
135#endif
136#ifndef O_NONBLOCK
137# define O_NONBLOCK 0
138#endif
139#ifndef O_EXEC
140# define O_EXEC 0
141#endif
142#ifndef O_SEARCH
143# define O_SEARCH 0
144#endif
145#ifndef O_DIRECTORY
146# define O_DIRECTORY 0
147#endif
148#ifndef O_DSYNC
149# define O_DSYNC 0
150#endif
151#ifndef O_RSYNC
152# define O_RSYNC 0
153#endif
154#ifndef O_SYNC
155# define O_SYNC 0
156#endif
157#ifndef O_TTY_INIT
158# define O_TTY_INIT 0
159#endif
160
161#ifndef POSIX_FADV_NORMAL
162# define POSIX_FADV_NORMAL 0
163#endif
164#ifndef POSIX_FADV_SEQUENTIAL
165# define POSIX_FADV_SEQUENTIAL 0
166#endif
167#ifndef POSIX_FADV_RANDOM
168# define POSIX_FADV_RANDOM 0
169#endif
170#ifndef POSIX_FADV_NOREUSE
171# define POSIX_FADV_NOREUSE 0
172#endif
173#ifndef POSIX_FADV_WILLNEED
174# define POSIX_FADV_WILLNEED 0
175#endif
176#ifndef POSIX_FADV_DONTNEED
177# define POSIX_FADV_DONTNEED 0
178#endif
179 172
180#if !HAVE_POSIX_FADVISE 173#if !HAVE_POSIX_FADVISE
181# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 174# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
182#endif 175#endif
183 176
184#ifndef POSIX_MADV_NORMAL
185# define POSIX_MADV_NORMAL 0
186#endif
187#ifndef POSIX_MADV_SEQUENTIAL
188# define POSIX_MADV_SEQUENTIAL 0
189#endif
190#ifndef POSIX_MADV_RANDOM
191# define POSIX_MADV_RANDOM 0
192#endif
193#ifndef POSIX_MADV_WILLNEED
194# define POSIX_MADV_WILLNEED 0
195#endif
196#ifndef POSIX_MADV_DONTNEED
197# define POSIX_MADV_DONTNEED 0
198#endif
199
200#if !HAVE_POSIX_MADVISE 177#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 178# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202#endif
203
204#ifndef PROT_NONE
205# define PROT_NONE 0
206#endif
207#ifndef PROT_READ
208# define PROT_READ 0
209#endif
210#ifndef PROT_WRITE
211# define PROT_READ 0
212#endif
213#ifndef PROT_EXEC
214# define PROT_EXEC 0
215#endif
216
217#ifndef ST_NODEV
218# define ST_NODEV 0
219#endif
220#ifndef ST_NOEXEC
221# define ST_NOEXEC 0
222#endif
223#ifndef ST_SYNCHRONOUS
224# define ST_SYNCHRONOUS 0
225#endif
226#ifndef ST_MANDLOCK
227# define ST_MANDLOCK 0
228#endif
229#ifndef ST_WRITE
230# define ST_WRITE 0
231#endif
232#ifndef ST_APPEND
233# define ST_APPEND 0
234#endif
235#ifndef ST_IMMUTABLE
236# define ST_IMMUTABLE 0
237#endif
238#ifndef ST_NOATIME
239# define ST_NOATIME 0
240#endif
241#ifndef ST_NODIRATIME
242# define ST_NODIRATIME 0
243#endif
244#ifndef ST_RELATIME
245# define ST_RELATIME 0
246#endif
247
248#ifndef S_IFIFO
249# define S_IFIFO 0
250#endif
251#ifndef S_IFCHR
252# define S_IFCHR 0
253#endif
254#ifndef S_IFBLK
255# define S_IFBLK 0
256#endif
257#ifndef S_IFLNK
258# define S_IFLNK 0
259#endif
260#ifndef S_IFREG
261# define S_IFREG 0
262#endif
263#ifndef S_IFDIR
264# define S_IFDIR 0
265#endif
266#ifndef S_IFWHT
267# define S_IFWHT 0
268#endif
269#ifndef S_IFSOCK
270# define S_IFSOCK 0
271#endif 179#endif
272 180
273#ifndef MAP_ANONYMOUS 181#ifndef MAP_ANONYMOUS
274# ifdef MAP_ANON 182# ifdef MAP_ANON
275# define MAP_ANONYMOUS MAP_ANON 183# define MAP_ANONYMOUS MAP_ANON
276# else 184# else
277# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 185# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
278# endif 186# endif
279#endif 187#endif
280#ifndef MAP_HUGETLB
281# define MAP_HUGETLB 0
282#endif
283#ifndef MAP_LOCKED
284# define MAP_LOCKED 0
285#endif
286#ifndef MAP_NORESERVE
287# define MAP_NORESERVE 0
288#endif
289#ifndef MAP_POPULATE
290# define MAP_POPULATE 0
291#endif
292#ifndef MAP_NONBLOCK
293# define MAP_NONBLOCK 0
294#endif
295 188
296#ifndef makedev 189#ifndef makedev
297# define makedev(maj,min) (((maj) << 8) | (min)) 190# define makedev(maj,min) (((maj) << 8) | (min))
298#endif 191#endif
299#ifndef major 192#ifndef major
… …
301#endif 194#endif
302#ifndef minor 195#ifndef minor
303# define minor(dev) ((dev) & 0xff) 196# define minor(dev) ((dev) & 0xff)
304#endif 197#endif
305 198
199/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
200#ifdef __sun
306#ifndef PAGESIZE 201# undef PAGESIZE
202#endif
203
204#if PAGESIZE <= 0
307# define PAGESIZE sysconf (_SC_PAGESIZE) 205# define PAGESIZE sysconf (_SC_PAGESIZE)
308#endif 206#endif
309 207
310static int req_invoke (eio_req *req); 208/*****************************************************************************/
311#define EIO_FINISH(req) req_invoke (req) 209
312static void req_destroy (eio_req *grp); 210#if !_POSIX_MAPPED_FILES
313#define EIO_DESTROY(req) req_destroy (req) 211# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
212# define munmap(addr,length) EIO_ENOSYS ()
213#endif
214
215#if !_POSIX_MEMORY_PROTECTION
216# define mprotect(addr,len,prot) EIO_ENOSYS ()
217#endif
218
219#if !MREMAP_MAYMOVE
220# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
221#endif
222
223#define FOREIGN_MAGIC PERL_MAGIC_ext
224
225static int ecb_cold
226mmap_free (pTHX_ SV *sv, MAGIC *mg)
227{
228 int old_errno = errno;
229 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
230 errno = old_errno;
231
232 mg->mg_obj = 0; /* just in case */
233
234 SvREADONLY_off (sv);
235
236 if (SvPVX (sv) != mg->mg_ptr)
237 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
238
239 SvCUR_set (sv, 0);
240 SvPVX (sv) = 0;
241 SvOK_off (sv);
242
243 return 0;
244}
245
246static MGVTBL mmap_vtbl = {
247 0, 0, 0, 0, mmap_free
248};
249
250static int ecb_cold
251sysfree_free (pTHX_ SV *sv, MAGIC *mg)
252{
253 free (mg->mg_ptr);
254 mg->mg_obj = 0; /* just in case */
255
256 SvREADONLY_off (sv);
257
258 if (SvPVX (sv) != mg->mg_ptr)
259 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
260
261 SvCUR_set (sv, 0);
262 SvPVX (sv) = 0;
263 SvOK_off (sv);
264
265 return 0;
266}
267
268static MGVTBL sysfree_vtbl = {
269 0, 0, 0, 0, sysfree_free
270};
271
272/*****************************************************************************/
273
274/* helper: set scalar to foreign ptr with custom free */
275static void
276sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
277{
278 sv_force_normal (sv);
279
280 /* we store the length in mg_obj, as namlen is I32 :/ */
281 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
282 ->mg_obj = (SV *)length;
283
284 SvUPGRADE (sv, SVt_PV); /* nop... */
285
286 if (SvLEN (sv))
287 Safefree (SvPVX (sv));
288
289 SvPVX (sv) = (char *)addr;
290 SvCUR_set (sv, length);
291 SvLEN_set (sv, 0);
292 SvPOK_only (sv);
293}
294
295static void
296sv_clear_foreign (SV *sv)
297{
298 /* todo: iterate over magic and only free ours, but of course */
299 /* the perl5porters will call that (correct) behaviour buggy */
300 sv_unmagic (sv, FOREIGN_MAGIC);
301}
302
303/*****************************************************************************/
304
305/* defines all sorts of constants to 0 unless they are already defined */
306/* also provides const_iv_ and const_niv_ macros for them */
307#include "def0.h"
308
309/*****************************************************************************/
310
311static void
312fiemap (eio_req *req)
313{
314 req->result = -1;
315
316#if HAVE_FIEMAP
317 /* assume some c99 */
318 struct fiemap *fiemap = 0;
319 size_t end_offset;
320 int count = req->int3;
321
322 req->flags |= EIO_FLAG_PTR1_FREE;
323
324 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
325 /* increase in 3.5kb steps */
326 if (count < 0)
327 count = 8;
328
329 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
330 errno = ENOMEM;
331 if (!fiemap)
332 return;
333
334 req->ptr1 = fiemap;
335
336 fiemap->fm_start = req->offs;
337 fiemap->fm_length = req->size;
338 fiemap->fm_flags = req->int2;
339 fiemap->fm_extent_count = count;
340
341 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
342 return;
343
344 if (req->int3 >= 0 /* not autosizing */
345 || !fiemap->fm_mapped_extents /* no more extents */
346 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
347 goto done;
348
349 /* else we have to loop -
350 * it would be tempting (actually I tried that first) to just query the
351 * number of extents needed, but linux often feels like not returning all
352 * extents, without telling us it left any out. this complicates
353 * this quite a bit.
354 */
355
356 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
357
358 for (;;)
359 {
360 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
361 char scratch[3072];
362 struct fiemap *incmap = (struct fiemap *)scratch;
363
364 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
365 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
366 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
367 incmap->fm_flags = fiemap->fm_flags;
368 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
369
370 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
371 return;
372
373 if (!incmap->fm_mapped_extents)
374 goto done;
375
376 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
377 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
378 errno = ENOMEM;
379 if (!fiemap)
380 return;
381
382 req->ptr1 = fiemap;
383
384 for (count = 0; count < incmap->fm_mapped_extents; ++count)
385 {
386 struct fiemap_extent *e = incmap->fm_extents + count;
387
388 if (e->fe_logical + e->fe_length >= end_offset)
389 goto done;
390
391 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
392
393 if (e->fe_flags & FIEMAP_EXTENT_LAST)
394 goto done;
395
396 }
397 }
398
399done:
400 req->result = 0;
401
402#else
403 errno = ENOSYS;
404#endif
405}
406
407/*****************************************************************************/
314 408
315enum { 409enum {
316 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 410 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
317}; 411};
318 412
319#include "libeio/eio.c"
320
321typedef eio_req *aio_req; 413typedef eio_req *aio_req;
322typedef eio_req *aio_req_ornot; 414typedef eio_req *aio_req_ornot;
415typedef eio_wd aio_wd;
323 416
324static SV *on_next_submit; 417static SV *on_next_submit;
325static int next_pri = EIO_PRI_DEFAULT; 418static int next_pri = EIO_PRI_DEFAULT;
326static int max_outstanding; 419static int max_outstanding;
327 420
328static s_epipe respipe; 421static s_epipe respipe;
329 422
330static void req_destroy (aio_req req); 423static void req_destroy (aio_req req);
331static void req_cancel (aio_req req); 424static void req_cancel (aio_req req);
332 425
333static void want_poll (void) 426static void
427want_poll (void)
334{ 428{
335 /* write a dummy byte to the pipe so fh becomes ready */ 429 /* write a dummy byte to the pipe so fh becomes ready */
336 s_epipe_signal (&respipe); 430 s_epipe_signal (&respipe);
337} 431}
338 432
339static void done_poll (void) 433static void
434done_poll (void)
340{ 435{
341 /* read any signals sent by the worker threads */ 436 /* read any signals sent by the worker threads */
342 s_epipe_drain (&respipe); 437 s_epipe_drain (&respipe);
343} 438}
344 439
345/* must be called at most once */ 440/* must be called at most once */
441static SV *
346static SV *req_sv (aio_req req, HV *stash) 442req_sv (aio_req req, HV *stash)
347{ 443{
348 if (!req->self) 444 if (!req->self)
349 { 445 {
350 req->self = (SV *)newHV (); 446 req->self = (SV *)newHV ();
351 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 447 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
352 } 448 }
353 449
354 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 450 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
355} 451}
356 452
357static aio_req SvAIO_REQ (SV *sv) 453static SV *
454newSVaio_wd (aio_wd wd)
455{
456 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
457}
458
459static aio_req
460SvAIO_REQ (SV *sv)
358{ 461{
359 MAGIC *mg; 462 MAGIC *mg;
360 463
361 if (!SvROK (sv) 464 if (!SvROK (sv)
465 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
362 || (SvSTASH (SvRV (sv)) != aio_grp_stash 466 || (SvSTASH (SvRV (sv)) != aio_grp_stash
363 && SvSTASH (SvRV (sv)) != aio_req_stash 467 && SvSTASH (SvRV (sv)) != aio_req_stash
364 && !sv_derived_from (sv, "IO::AIO::REQ"))) 468 && !sv_derived_from (sv, "IO::AIO::REQ")))
365 croak ("object of class IO::AIO::REQ expected"); 469 croak ("object of class IO::AIO::REQ expected");
366 470
367 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 471 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
368 472
369 return mg ? (aio_req)mg->mg_ptr : 0; 473 return mg ? (aio_req)mg->mg_ptr : 0;
370} 474}
371 475
476static aio_wd
477SvAIO_WD (SV *sv)
478{
479 if (!SvROK (sv)
480 || SvTYPE (SvRV (sv)) != SVt_PVMG
481 || SvSTASH (SvRV (sv)) != aio_wd_stash)
482 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
483
484 return (aio_wd)(long)SvIVX (SvRV (sv));
485}
486
487static SV *
488newmortalFH (int fd, int flags)
489{
490 if (fd < 0)
491 return &PL_sv_undef;
492
493 GV *gv = (GV *)sv_newmortal ();
494 char sym[64];
495 int symlen;
496
497 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
498 gv_init (gv, aio_stash, sym, symlen, 0);
499
500 symlen = snprintf (
501 sym,
502 sizeof (sym),
503 "%s&=%d",
504 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
505 fd
506 );
507
508 return do_open (gv, sym, symlen, 0, 0, 0, 0)
509 ? (SV *)gv : &PL_sv_undef;
510}
511
512static void
372static void aio_grp_feed (aio_req grp) 513aio_grp_feed (aio_req grp)
373{ 514{
374 if (grp->sv2 && SvOK (grp->sv2)) 515 if (grp->sv2 && SvOK (grp->sv2))
375 { 516 {
376 dSP; 517 dSP;
377 518
… …
385 FREETMPS; 526 FREETMPS;
386 LEAVE; 527 LEAVE;
387 } 528 }
388} 529}
389 530
531static void
390static void req_submit (eio_req *req) 532req_submit (eio_req *req)
391{ 533{
392 eio_submit (req); 534 eio_submit (req);
393 535
394 if (expect_false (on_next_submit)) 536 if (expect_false (on_next_submit))
395 { 537 {
… …
402 PUTBACK; 544 PUTBACK;
403 call_sv (cb, G_DISCARD | G_EVAL); 545 call_sv (cb, G_DISCARD | G_EVAL);
404 } 546 }
405} 547}
406 548
549static int
407static int req_invoke (eio_req *req) 550req_invoke (eio_req *req)
408{ 551{
409 if (req->flags & FLAG_SV2_RO_OFF) 552 if (req->flags & FLAG_SV2_RO_OFF)
410 SvREADONLY_off (req->sv2); 553 SvREADONLY_off (req->sv2);
411 554
412 if (!EIO_CANCELLED (req) && req->callback) 555 if (!EIO_CANCELLED (req) && req->callback)
… …
433 SvREADONLY_on (sv_result); 576 SvREADONLY_on (sv_result);
434 } 577 }
435 578
436 switch (req->type) 579 switch (req->type)
437 { 580 {
581 case EIO_WD_OPEN:
582 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
583 break;
584
438 case EIO_READDIR: 585 case EIO_READDIR:
439 { 586 {
440 SV *rv = &PL_sv_undef; 587 SV *rv = &PL_sv_undef;
441 588
442 if (req->result >= 0) 589 if (req->result >= 0)
… …
495 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 642 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
496 } 643 }
497 break; 644 break;
498 645
499 case EIO_OPEN: 646 case EIO_OPEN:
500 { 647 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
501 /* convert fd to fh */
502 SV *fh = &PL_sv_undef;
503
504 if (req->result >= 0)
505 {
506 GV *gv = (GV *)sv_newmortal ();
507 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
508 char sym [64];
509 int symlen;
510
511 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
512 gv_init (gv, aio_stash, sym, symlen, 0);
513
514 symlen = snprintf (
515 sym,
516 sizeof (sym),
517 "%s&=%d",
518 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
519 (int)req->result
520 );
521
522 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
523 fh = (SV *)gv;
524 }
525
526 PUSHs (fh);
527 }
528 break; 648 break;
529 649
530 case EIO_STATVFS: 650 case EIO_STATVFS:
531 case EIO_FSTATVFS: 651 case EIO_FSTATVFS:
532 { 652 {
533 SV *rv = &PL_sv_undef; 653 SV *rv = &PL_sv_undef;
534 654
655#ifndef _WIN32
535 if (req->result >= 0) 656 if (req->result >= 0)
536 { 657 {
537 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 658 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
538 HV *hv = newHV (); 659 HV *hv = newHV ();
660 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
661 * chooses to make it a struct.
662 */
663 unsigned long fsid = 0;
664 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
539 665
540 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 666 rv = sv_2mortal (newRV_noinc ((SV *)hv));
541 667
542 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 668 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
543 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 669 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
545 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 671 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
546 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 672 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
547 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 673 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
548 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 674 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
549 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 675 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
550 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 676 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
551 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 677 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
552 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 678 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
553 } 679 }
680#endif
554 681
555 PUSHs (rv); 682 PUSHs (rv);
556 } 683 }
557 684
558 break; 685 break;
… …
582 break; 709 break;
583 710
584 case EIO_STAT: 711 case EIO_STAT:
585 case EIO_LSTAT: 712 case EIO_LSTAT:
586 case EIO_FSTAT: 713 case EIO_FSTAT:
587 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 714 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
715
588 PL_laststatval = req->result; 716 if (!(PL_laststatval = req->result))
717 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
589 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 718 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
719
590 PUSHs (sv_result); 720 PUSHs (sv_result);
721 break;
722
723 case EIO_SEEK:
724 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
591 break; 725 break;
592 726
593 case EIO_READ: 727 case EIO_READ:
594 { 728 {
595 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 729 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
598 SvSETMAGIC (req->sv2); 732 SvSETMAGIC (req->sv2);
599 PUSHs (sv_result); 733 PUSHs (sv_result);
600 } 734 }
601 break; 735 break;
602 736
737 case EIO_SLURP:
738 {
739 if (req->result >= 0)
740 {
741 /* if length was originally not known, we steal the malloc'ed memory */
742 if (req->flags & EIO_FLAG_PTR2_FREE)
743 {
744 req->flags &= ~EIO_FLAG_PTR2_FREE;
745 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
746 }
747 else
748 {
749 SvCUR_set (req->sv2, req->result);
750 *SvEND (req->sv2) = 0;
751 SvPOK_only (req->sv2);
752 }
753
754 SvSETMAGIC (req->sv2);
755 }
756
757 PUSHs (sv_result);
758 }
759 break;
760
761 case EIO_CUSTOM:
762 if (req->feed == fiemap)
763 {
764#if HAVE_FIEMAP
765 if (!req->result)
766 {
767 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
768
769 if (fiemap->fm_extent_count)
770 {
771 AV *av = newAV ();
772 int i;
773
774 while (fiemap->fm_mapped_extents)
775 {
776 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
777 AV *ext_av = newAV ();
778
779 av_store (ext_av, 3, newSVuv (extent->fe_flags));
780 av_store (ext_av, 2, newSVval64 (extent->fe_length));
781 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
782 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
783
784 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
785 }
786
787 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
788 }
789 else
790 {
791 SvIV_set (sv_result, fiemap->fm_mapped_extents);
792 PUSHs (sv_result);
793 }
794 }
795#endif
796 }
797 else
798 PUSHs (sv_result);
799 break;
800
603 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 801 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
604 if (req->result > 0) 802 if (req->result > 0)
605 SvIV_set (sv_result, 0); 803 SvIV_set (sv_result, 0);
606 /* FALLTHROUGH */ 804 /* FALLTHROUGH */
607 805
… …
628 } 826 }
629 827
630 return !!SvTRUE (ERRSV); 828 return !!SvTRUE (ERRSV);
631} 829}
632 830
831static void
633static void req_destroy (aio_req req) 832req_destroy (aio_req req)
634{ 833{
635 if (req->self) 834 if (req->self)
636 { 835 {
637 sv_unmagic (req->self, PERL_MAGIC_ext); 836 sv_unmagic (req->self, PERL_MAGIC_ext);
638 SvREFCNT_dec (req->self); 837 SvREFCNT_dec (req->self);
639 } 838 }
640 839
641 SvREFCNT_dec (req->sv1); 840 SvREFCNT_dec (req->sv1);
642 SvREFCNT_dec (req->sv2); 841 SvREFCNT_dec (req->sv2);
842 SvREFCNT_dec (req->sv3);
843 SvREFCNT_dec (req->sv4);
643 SvREFCNT_dec (req->callback); 844 SvREFCNT_dec (req->callback);
644 845
645 Safefree (req); 846 free (req);
646} 847}
647 848
849static void
648static void req_cancel_subs (aio_req grp) 850req_cancel_subs (aio_req grp)
649{ 851{
650 aio_req sub;
651
652 if (grp->type != EIO_GROUP) 852 if (grp->type != EIO_GROUP)
653 return; 853 return;
654 854
655 SvREFCNT_dec (grp->sv2); 855 SvREFCNT_dec (grp->sv2);
656 grp->sv2 = 0; 856 grp->sv2 = 0;
657 857
658 eio_grp_cancel (grp); 858 eio_grp_cancel (grp);
659} 859}
660 860
861static void ecb_cold
661static void create_respipe (void) 862create_respipe (void)
662{ 863{
663 if (s_epipe_renew (&respipe)) 864 if (s_epipe_renew (&respipe))
664 croak ("IO::AIO: unable to initialize result pipe"); 865 croak ("IO::AIO: unable to initialize result pipe");
665} 866}
666 867
667static void poll_wait (void) 868static void
869poll_wait (void)
668{ 870{
669 while (eio_nreqs ()) 871 while (eio_nreqs ())
670 { 872 {
671 int size; 873 int size;
672 874
673 X_LOCK (reslock); 875 X_LOCK (EIO_POOL->reslock);
674 size = res_queue.size; 876 size = EIO_POOL->res_queue.size;
675 X_UNLOCK (reslock); 877 X_UNLOCK (EIO_POOL->reslock);
676 878
677 if (size) 879 if (size)
678 return; 880 return;
679 881
680 etp_maybe_start_thread (); 882 etp_maybe_start_thread (EIO_POOL);
681 883
682 s_epipe_wait (&respipe); 884 s_epipe_wait (&respipe);
683 } 885 }
684} 886}
685 887
686static int poll_cb (void) 888static int
889poll_cb (void)
687{ 890{
688 for (;;) 891 for (;;)
689 { 892 {
690 int res = eio_poll (); 893 int res = eio_poll ();
691 894
… …
697 900
698 poll_wait (); 901 poll_wait ();
699 } 902 }
700} 903}
701 904
702static void atfork_child (void) 905static void ecb_cold
906reinit (void)
703{ 907{
704 create_respipe (); 908 create_respipe ();
909
910 if (eio_init (want_poll, done_poll) < 0)
911 croak ("IO::AIO: unable to initialise eio library");
705} 912}
706 913
707/*****************************************************************************/ 914/*****************************************************************************/
708 915
709#if !_POSIX_MAPPED_FILES 916static SV *
710# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
711# define munmap(addr,length) (errno = ENOSYS, -1)
712#endif
713
714#if !_POSIX_MEMORY_PROTECTION
715# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
716# define PROT_NONE 0
717# define PROT_WRITE 0
718# define MAP_PRIVATE 0
719# define MAP_SHARED 0
720# define MAP_FIXED 0
721#endif
722
723#define MMAP_MAGIC PERL_MAGIC_ext
724
725static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
726{
727 int old_errno = errno;
728 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
729 errno = old_errno;
730
731 mg->mg_obj = 0; /* just in case */
732
733 SvREADONLY_off (sv);
734
735 if (SvPVX (sv) != mg->mg_ptr)
736 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
737
738 SvCUR_set (sv, 0);
739 SvPVX (sv) = 0;
740 SvOK_off (sv);
741
742 return 0;
743}
744
745static MGVTBL mmap_vtbl = {
746 0, 0, 0, 0, mmap_free
747};
748
749/*****************************************************************************/
750
751static SV * get_cb (SV *cb_sv) 917get_cb (SV *cb_sv)
752{ 918{
753 SvGETMAGIC (cb_sv); 919 SvGETMAGIC (cb_sv);
754 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 920 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
755} 921}
756 922
923static aio_req ecb_noinline
924dreq (SV *callback)
925{
926 SV *cb_cv;
927 aio_req req;
928 int req_pri = next_pri;
929 next_pri = EIO_PRI_DEFAULT;
930
931 cb_cv = get_cb (callback);
932
933 req = calloc (sizeof (*req), 1);
934 if (!req)
935 croak ("out of memory during eio_req allocation");
936
937 req->callback = SvREFCNT_inc (cb_cv);
938 req->pri = req_pri;
939
940 return req;
941}
942
757#define dREQ \ 943#define dREQ \
758 SV *cb_cv; \ 944 aio_req req = dreq (callback); \
759 aio_req req; \
760 int req_pri = next_pri; \
761 next_pri = EIO_PRI_DEFAULT; \
762 \
763 cb_cv = get_cb (callback); \
764 \
765 Newz (0, req, 1, eio_req); \
766 if (!req) \
767 croak ("out of memory during eio_req allocation"); \
768 \
769 req->callback = SvREFCNT_inc (cb_cv); \
770 req->pri = req_pri
771 945
772#define REQ_SEND \ 946#define REQ_SEND \
773 PUTBACK; \ 947 PUTBACK; \
774 req_submit (req); \ 948 req_submit (req); \
775 SPAGAIN; \ 949 SPAGAIN; \
776 \ 950 \
777 if (GIMME_V != G_VOID) \ 951 if (GIMME_V != G_VOID) \
778 XPUSHs (req_sv (req, aio_req_stash)); 952 XPUSHs (req_sv (req, aio_req_stash));
779 953
954ecb_inline void
955req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
956{
957 if (expect_false (SvROK (path)))
958 {
959 SV *rv = SvRV (path);
960 SV *wdob;
961
962 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
963 {
964 path = AvARRAY (rv)[1];
965 wdob = AvARRAY (rv)[0];
966
967 if (SvOK (wdob))
968 {
969 *wd = SvAIO_WD (wdob);
970 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
971 }
972 else
973 *wd = EIO_INVALID_WD;
974 }
975 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
976 {
977 *wd = (aio_wd)(long)SvIVX (rv);
978 *wdsv = SvREFCNT_inc_NN (rv);
979 *ptr = ".";
980 return; /* path set to "." */
981 }
982 else
983 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
984 }
985
986 *pathsv = newSVsv (path);
987 *ptr = SvPVbyte_nolen (*pathsv);
988}
989
990static void ecb_noinline
991req_set_path1 (aio_req req, SV *path)
992{
993 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
994}
995
996static void ecb_noinline
997req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
998{
999 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1000
1001 switch (SvTYPE (rv))
1002 {
1003 case SVt_PVIO:
1004 case SVt_PVLV:
1005 case SVt_PVGV:
1006 req->type = type_fh;
1007 req->sv1 = newSVsv (fh_or_path);
1008 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1009 break;
1010
1011 default:
1012 req->type = type_path;
1013 req_set_path1 (req, fh_or_path);
1014 break;
1015 }
1016}
1017
1018/*****************************************************************************/
1019
1020static void
1021ts_set (struct timespec *ts, NV value)
1022{
1023 ts->tv_sec = value;
1024 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1025}
1026
1027static NV
1028ts_get (const struct timespec *ts)
1029{
1030 return ts->tv_sec + ts->tv_nsec * 1e-9;
1031}
1032
1033/*****************************************************************************/
1034
1035XS(boot_IO__AIO) ecb_cold;
1036
780MODULE = IO::AIO PACKAGE = IO::AIO 1037MODULE = IO::AIO PACKAGE = IO::AIO
781 1038
782PROTOTYPES: ENABLE 1039PROTOTYPES: ENABLE
783 1040
784BOOT: 1041BOOT:
… …
788 IV iv; 1045 IV iv;
789 } *civ, const_iv[] = { 1046 } *civ, const_iv[] = {
790# define const_niv(name, value) { # name, (IV) value }, 1047# define const_niv(name, value) { # name, (IV) value },
791# define const_iv(name) { # name, (IV) name }, 1048# define const_iv(name) { # name, (IV) name },
792# define const_eio(name) { # name, (IV) EIO_ ## name }, 1049# define const_eio(name) { # name, (IV) EIO_ ## name },
1050
1051 /* you have to re-run ./gendef0 after adding/removing any constants here */
1052 /* the first block can be undef if missing */
1053 const_iv (ENOSYS)
793 const_iv (EXDEV) 1054 const_iv (EXDEV)
794 const_iv (ENOSYS) 1055 const_iv (EBADR)
1056
1057 /* for lseek */
1058 const_iv (SEEK_DATA)
1059 const_iv (SEEK_HOLE)
1060
1061 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1062 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1063 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1064 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1065 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1066 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1067
1068 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1069 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1070 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1071 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1072 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1073
1074 /* the second block will be 0 when missing */
1075 const_iv (O_ACCMODE)
1076
795 const_iv (O_RDONLY) 1077 const_iv (O_RDONLY)
796 const_iv (O_WRONLY) 1078 const_iv (O_WRONLY)
797 const_iv (O_RDWR) 1079 const_iv (O_RDWR)
798 const_iv (O_CREAT) 1080 const_iv (O_CREAT)
799 const_iv (O_TRUNC) 1081 const_iv (O_TRUNC)
… …
812 const_iv (O_SEARCH) 1094 const_iv (O_SEARCH)
813 const_iv (O_DIRECTORY) 1095 const_iv (O_DIRECTORY)
814 const_iv (O_DSYNC) 1096 const_iv (O_DSYNC)
815 const_iv (O_RSYNC) 1097 const_iv (O_RSYNC)
816 const_iv (O_SYNC) 1098 const_iv (O_SYNC)
1099 const_iv (O_PATH)
1100 const_iv (O_TMPFILE)
817 const_iv (O_TTY_INIT) 1101 const_iv (O_TTY_INIT)
818 1102
819 const_iv (S_IFIFO) 1103 const_iv (S_IFIFO)
820 const_iv (S_IFCHR) 1104 const_iv (S_IFCHR)
821 const_iv (S_IFBLK) 1105 const_iv (S_IFBLK)
… …
823 const_iv (S_IFREG) 1107 const_iv (S_IFREG)
824 const_iv (S_IFDIR) 1108 const_iv (S_IFDIR)
825 const_iv (S_IFWHT) 1109 const_iv (S_IFWHT)
826 const_iv (S_IFSOCK) 1110 const_iv (S_IFSOCK)
827 const_iv (S_IFMT) 1111 const_iv (S_IFMT)
828
829 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
830 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
831 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
832 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
833 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
834 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
835
836 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
837 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
838 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
839 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
840 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
841 1112
842 const_iv (ST_RDONLY) 1113 const_iv (ST_RDONLY)
843 const_iv (ST_NOSUID) 1114 const_iv (ST_NOSUID)
844 const_iv (ST_NODEV) 1115 const_iv (ST_NODEV)
845 const_iv (ST_NOEXEC) 1116 const_iv (ST_NOEXEC)
… …
855 const_iv (PROT_NONE) 1126 const_iv (PROT_NONE)
856 const_iv (PROT_EXEC) 1127 const_iv (PROT_EXEC)
857 const_iv (PROT_READ) 1128 const_iv (PROT_READ)
858 const_iv (PROT_WRITE) 1129 const_iv (PROT_WRITE)
859 1130
860 /*const_iv (MAP_FIXED)*/
861 const_iv (MAP_PRIVATE) 1131 const_iv (MAP_PRIVATE)
862 const_iv (MAP_SHARED) 1132 const_iv (MAP_SHARED)
1133 const_iv (MAP_FIXED)
863 const_iv (MAP_ANONYMOUS) 1134 const_iv (MAP_ANONYMOUS)
864 1135
865 /* linuxish */ 1136 /* linuxish */
866 const_iv (MAP_HUGETLB)
867 const_iv (MAP_LOCKED) 1137 const_iv (MAP_LOCKED)
868 const_iv (MAP_NORESERVE) 1138 const_iv (MAP_NORESERVE)
869 const_iv (MAP_POPULATE) 1139 const_iv (MAP_POPULATE)
870 const_iv (MAP_NONBLOCK) 1140 const_iv (MAP_NONBLOCK)
1141 const_iv (MAP_GROWSDOWN)
1142 const_iv (MAP_32BIT)
1143 const_iv (MAP_HUGETLB)
1144 const_iv (MAP_STACK)
1145
1146 const_iv (MREMAP_MAYMOVE)
1147 const_iv (MREMAP_FIXED)
1148
1149 const_iv (F_DUPFD_CLOEXEC)
1150
1151 const_iv (MSG_CMSG_CLOEXEC)
1152 const_iv (SOCK_CLOEXEC)
1153
1154 const_iv (F_OFD_GETLK)
1155 const_iv (F_OFD_SETLK)
1156 const_iv (F_OFD_GETLKW)
1157
1158 const_iv (FIFREEZE)
1159 const_iv (FITHAW)
1160 const_iv (FITRIM)
1161 const_iv (FICLONE)
1162 const_iv (FICLONERANGE)
1163 const_iv (FIDEDUPERANGE)
1164
1165 const_iv (FS_IOC_GETFLAGS)
1166 const_iv (FS_IOC_SETFLAGS)
1167 const_iv (FS_IOC_GETVERSION)
1168 const_iv (FS_IOC_SETVERSION)
1169 const_iv (FS_IOC_FIEMAP)
1170 const_iv (FS_IOC_FSGETXATTR)
1171 const_iv (FS_IOC_FSSETXATTR)
1172 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1173 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1174 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1175
1176 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1177
1178 const_iv (FS_SECRM_FL)
1179 const_iv (FS_UNRM_FL)
1180 const_iv (FS_COMPR_FL)
1181 const_iv (FS_SYNC_FL)
1182 const_iv (FS_IMMUTABLE_FL)
1183 const_iv (FS_APPEND_FL)
1184 const_iv (FS_NODUMP_FL)
1185 const_iv (FS_NOATIME_FL)
1186 const_iv (FS_DIRTY_FL)
1187 const_iv (FS_COMPRBLK_FL)
1188 const_iv (FS_NOCOMP_FL)
1189 const_iv (FS_ENCRYPT_FL)
1190 const_iv (FS_BTREE_FL)
1191 const_iv (FS_INDEX_FL)
1192 const_iv (FS_JOURNAL_DATA_FL)
1193 const_iv (FS_NOTAIL_FL)
1194 const_iv (FS_DIRSYNC_FL)
1195 const_iv (FS_TOPDIR_FL)
1196 const_iv (FS_FL_USER_MODIFIABLE)
1197
1198 const_iv (FS_XFLAG_REALTIME)
1199 const_iv (FS_XFLAG_PREALLOC)
1200 const_iv (FS_XFLAG_IMMUTABLE)
1201 const_iv (FS_XFLAG_APPEND)
1202 const_iv (FS_XFLAG_SYNC)
1203 const_iv (FS_XFLAG_NOATIME)
1204 const_iv (FS_XFLAG_NODUMP)
1205 const_iv (FS_XFLAG_RTINHERIT)
1206 const_iv (FS_XFLAG_PROJINHERIT)
1207 const_iv (FS_XFLAG_NOSYMLINKS)
1208 const_iv (FS_XFLAG_EXTSIZE)
1209 const_iv (FS_XFLAG_EXTSZINHERIT)
1210 const_iv (FS_XFLAG_NODEFRAG)
1211 const_iv (FS_XFLAG_FILESTREAM)
1212 const_iv (FS_XFLAG_DAX)
1213 const_iv (FS_XFLAG_HASATTR)
1214
1215 const_iv (FIEMAP_FLAG_SYNC)
1216 const_iv (FIEMAP_FLAG_XATTR)
1217 const_iv (FIEMAP_FLAGS_COMPAT)
1218 const_iv (FIEMAP_EXTENT_LAST)
1219 const_iv (FIEMAP_EXTENT_UNKNOWN)
1220 const_iv (FIEMAP_EXTENT_DELALLOC)
1221 const_iv (FIEMAP_EXTENT_ENCODED)
1222 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1223 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1224 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1225 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1226 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1227 const_iv (FIEMAP_EXTENT_MERGED)
1228 const_iv (FIEMAP_EXTENT_SHARED)
1229
1230 const_iv (SPLICE_F_MOVE)
1231 const_iv (SPLICE_F_NONBLOCK)
1232 const_iv (SPLICE_F_MORE)
1233 const_iv (SPLICE_F_GIFT)
1234
1235 const_iv (EFD_CLOEXEC)
1236 const_iv (EFD_NONBLOCK)
1237 const_iv (EFD_SEMAPHORE)
1238
1239 const_iv (CLOCK_REALTIME)
1240 const_iv (CLOCK_MONOTONIC)
1241 const_iv (CLOCK_BOOTTIME)
1242 const_iv (CLOCK_REALTIME_ALARM)
1243 const_iv (CLOCK_BOOTTIME_ALARM)
1244
1245 const_iv (TFD_NONBLOCK)
1246 const_iv (TFD_CLOEXEC)
1247
1248 const_iv (TFD_TIMER_ABSTIME)
1249 const_iv (TFD_TIMER_CANCEL_ON_SET)
1250
1251 /* these are libeio constants, and are independent of gendef0 */
1252 const_eio (SEEK_SET)
1253 const_eio (SEEK_CUR)
1254 const_eio (SEEK_END)
871 1255
872 const_eio (MCL_FUTURE) 1256 const_eio (MCL_FUTURE)
873 const_eio (MCL_CURRENT) 1257 const_eio (MCL_CURRENT)
874 1258
875 const_eio (MS_ASYNC) 1259 const_eio (MS_ASYNC)
… …
881 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1265 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
882 const_eio (SYNC_FILE_RANGE_WRITE) 1266 const_eio (SYNC_FILE_RANGE_WRITE)
883 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1267 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884 1268
885 const_eio (FALLOC_FL_KEEP_SIZE) 1269 const_eio (FALLOC_FL_KEEP_SIZE)
1270 const_eio (FALLOC_FL_PUNCH_HOLE)
1271 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1272 const_eio (FALLOC_FL_ZERO_RANGE)
1273 const_eio (FALLOC_FL_INSERT_RANGE)
1274 const_eio (FALLOC_FL_UNSHARE_RANGE)
1275
1276 const_eio (RENAME_NOREPLACE)
1277 const_eio (RENAME_EXCHANGE)
1278 const_eio (RENAME_WHITEOUT)
886 1279
887 const_eio (READDIR_DENTS) 1280 const_eio (READDIR_DENTS)
888 const_eio (READDIR_DIRS_FIRST) 1281 const_eio (READDIR_DIRS_FIRST)
889 const_eio (READDIR_STAT_ORDER) 1282 const_eio (READDIR_STAT_ORDER)
890 const_eio (READDIR_FOUND_UNKNOWN) 1283 const_eio (READDIR_FOUND_UNKNOWN)
… …
901 }; 1294 };
902 1295
903 aio_stash = gv_stashpv ("IO::AIO" , 1); 1296 aio_stash = gv_stashpv ("IO::AIO" , 1);
904 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1297 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
905 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1298 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1299 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
906 1300
907 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1301 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
908 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1302 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
909 1303
910 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1304 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
911 1305
912 create_respipe (); 1306 reinit ();
913
914 if (eio_init (want_poll, done_poll) < 0)
915 croak ("IO::AIO: unable to initialise eio library");
916
917 /* atfork child called in fifo order, so before eio's handler */
918 X_THREAD_ATFORK (0, 0, atfork_child);
919} 1307}
1308
1309void
1310reinit ()
1311 PROTOTYPE:
920 1312
921void 1313void
922max_poll_reqs (unsigned int nreqs) 1314max_poll_reqs (unsigned int nreqs)
923 PROTOTYPE: $ 1315 PROTOTYPE: $
924 CODE: 1316 CODE:
… …
959 PROTOTYPE: $ 1351 PROTOTYPE: $
960 CODE: 1352 CODE:
961 max_outstanding = maxreqs; 1353 max_outstanding = maxreqs;
962 1354
963void 1355void
964aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1356aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
965 PPCODE: 1357 PPCODE:
966{ 1358{
967 dREQ; 1359 dREQ;
968 1360
1361 req->type = EIO_WD_OPEN;
1362 req_set_path1 (req, pathname);
1363
1364 REQ_SEND;
1365}
1366
1367void
1368aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1369 PPCODE:
1370{
1371 dREQ;
1372
969 req->type = EIO_OPEN; 1373 req->type = EIO_OPEN;
970 req->sv1 = newSVsv (pathname); 1374 req_set_path1 (req, pathname);
971 req->ptr1 = SvPVbyte_nolen (req->sv1);
972 req->int1 = flags; 1375 req->int1 = flags;
973 req->int2 = mode; 1376 req->int2 = mode;
974 1377
975 REQ_SEND; 1378 REQ_SEND;
976} 1379}
977 1380
978void 1381void
979aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1382aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
980 ALIAS: 1383 ALIAS:
981 aio_fsync = EIO_FSYNC 1384 aio_fsync = EIO_FSYNC
982 aio_fdatasync = EIO_FDATASYNC 1385 aio_fdatasync = EIO_FDATASYNC
1386 aio_syncfs = EIO_SYNCFS
983 PPCODE: 1387 PPCODE:
984{ 1388{
985 int fd = s_fileno_croak (fh, 0); 1389 int fd = s_fileno_croak (fh, 0);
986 dREQ; 1390 dREQ;
987 1391
988 req->type = ix; 1392 req->type = ix;
989 req->sv1 = newSVsv (fh); 1393 req->sv1 = newSVsv (fh);
990 req->int1 = fd; 1394 req->int1 = fd;
991 1395
992 REQ_SEND (req); 1396 REQ_SEND;
993} 1397}
994 1398
995void 1399void
996aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1400aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
997 PPCODE: 1401 PPCODE:
998{ 1402{
999 int fd = s_fileno_croak (fh, 0); 1403 int fd = s_fileno_croak (fh, 0);
1000 dREQ; 1404 dREQ;
1001 1405
1002 req->type = EIO_SYNC_FILE_RANGE; 1406 req->type = EIO_SYNC_FILE_RANGE;
1003 req->sv1 = newSVsv (fh); 1407 req->sv1 = newSVsv (fh);
1004 req->int1 = fd; 1408 req->int1 = fd;
1005 req->offs = offset; 1409 req->offs = offset;
1006 req->size = nbytes; 1410 req->size = nbytes;
1007 req->int2 = flags; 1411 req->int2 = flags;
1008 1412
1009 REQ_SEND (req); 1413 REQ_SEND;
1010} 1414}
1011 1415
1012void 1416void
1013aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1417aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1014 PPCODE: 1418 PPCODE:
1015{ 1419{
1016 int fd = s_fileno_croak (fh, 0); 1420 int fd = s_fileno_croak (fh, 0);
1017 dREQ; 1421 dREQ;
1018 1422
1019 req->type = EIO_FALLOCATE; 1423 req->type = EIO_FALLOCATE;
1020 req->sv1 = newSVsv (fh); 1424 req->sv1 = newSVsv (fh);
1021 req->int1 = fd; 1425 req->int1 = fd;
1022 req->int2 = mode; 1426 req->int2 = mode;
1023 req->offs = offset; 1427 req->offs = offset;
1024 req->size = len; 1428 req->size = len;
1025 1429
1026 REQ_SEND (req); 1430 REQ_SEND;
1027} 1431}
1028 1432
1029void 1433void
1030aio_close (SV *fh, SV *callback=&PL_sv_undef) 1434aio_close (SV *fh, SV *callback = &PL_sv_undef)
1031 PPCODE: 1435 PPCODE:
1032{ 1436{
1033 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1437 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1034 int fd = s_fileno_croak (fh, 0); 1438 int fd = s_fileno_croak (fh, 0);
1035 dREQ; 1439 dREQ;
1036 1440
1037 if (close_pipe < 0) 1441 if (expect_false (close_fd < 0))
1038 { 1442 {
1039 int pipefd [2]; 1443 int pipefd [2];
1040 1444
1445 if (
1446#ifdef _WIN32
1447 _pipe (pipefd, 1, _O_BINARY) < 0
1448#else
1041 if (pipe (pipefd) < 0 1449 pipe (pipefd) < 0
1042 || close (pipefd [1]) < 0
1043 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1450 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1451#endif
1452 || close (pipefd [1]) < 0
1453 )
1044 abort (); /*D*/ 1454 abort (); /*D*/
1045 1455
1046 close_pipe = pipefd [0]; 1456 close_fd = pipefd [0];
1047 } 1457 }
1048 1458
1049 req->type = EIO_DUP2; 1459 req->type = EIO_DUP2;
1050 req->int1 = close_pipe; 1460 req->int1 = close_fd;
1051 req->sv2 = newSVsv (fh); 1461 req->sv2 = newSVsv (fh);
1052 req->int2 = fd; 1462 req->int2 = fd;
1053 1463
1054 REQ_SEND (req); 1464 REQ_SEND;
1055} 1465}
1056 1466
1057void 1467void
1468aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1469 PPCODE:
1470{
1471 int fd = s_fileno_croak (fh, 0);
1472 dREQ;
1473
1474 req->type = EIO_SEEK;
1475 req->sv1 = newSVsv (fh);
1476 req->int1 = fd;
1477 req->offs = SvVAL64 (offset);
1478 req->int2 = whence;
1479
1480 REQ_SEND;
1481}
1482
1483void
1058aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1484aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1059 ALIAS: 1485 ALIAS:
1060 aio_read = EIO_READ 1486 aio_read = EIO_READ
1061 aio_write = EIO_WRITE 1487 aio_write = EIO_WRITE
1062 PPCODE: 1488 PPCODE:
1063{ 1489{
… …
1079 len = svlen - dataoffset; 1505 len = svlen - dataoffset;
1080 } 1506 }
1081 else 1507 else
1082 { 1508 {
1083 /* read: check type and grow scalar as necessary */ 1509 /* read: check type and grow scalar as necessary */
1084 SvUPGRADE (data, SVt_PV); 1510 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1085 svptr = SvGROW (data, len + dataoffset + 1); 1511 svptr = sv_grow (data, len + dataoffset + 1);
1512 else if (SvCUR (data) < len + dataoffset)
1513 croak ("length + dataoffset outside of scalar, and cannot grow");
1086 } 1514 }
1087 1515
1088 { 1516 {
1089 dREQ; 1517 dREQ;
1090 1518
… …
1106 REQ_SEND; 1534 REQ_SEND;
1107 } 1535 }
1108} 1536}
1109 1537
1110void 1538void
1539aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1540 ALIAS:
1541 aio_ioctl = EIO_IOCTL
1542 aio_fcntl = EIO_FCNTL
1543 PPCODE:
1544{
1545 int fd = s_fileno_croak (fh, 0);
1546 char *svptr;
1547
1548 if (SvPOK (arg) || !SvNIOK (arg))
1549 {
1550 STRLEN svlen;
1551 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1552#ifdef IOCPARM_LEN
1553 STRLEN need = IOCPARM_LEN (request);
1554#else
1555 STRLEN need = 256;
1556#endif
1557
1558 if (svlen < need)
1559 svptr = SvGROW (arg, need);
1560 }
1561 else
1562 svptr = (char *)SvIV (arg);
1563
1564 {
1565 dREQ;
1566
1567 req->type = ix;
1568 req->sv1 = newSVsv (fh);
1569 req->int1 = fd;
1570 req->int2 = (long)request;
1571 req->sv2 = SvREFCNT_inc (arg);
1572 req->ptr2 = svptr;
1573
1574 REQ_SEND;
1575 }
1576}
1577
1578void
1111aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1579aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1112 ALIAS: 1580 ALIAS:
1113 aio_readlink = EIO_READLINK 1581 aio_readlink = EIO_READLINK
1114 aio_realpath = EIO_REALPATH 1582 aio_realpath = EIO_REALPATH
1115 PPCODE: 1583 PPCODE:
1116{ 1584{
1117 SV *data;
1118 dREQ; 1585 dREQ;
1119 1586
1120 req->type = ix; 1587 req->type = ix;
1121 req->sv1 = newSVsv (path); 1588 req_set_path1 (req, pathname);
1122 req->ptr1 = SvPVbyte_nolen (req->sv1);
1123 1589
1124 REQ_SEND; 1590 REQ_SEND;
1125} 1591}
1126 1592
1127void 1593void
1128aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1594aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1129 PPCODE: 1595 PPCODE:
1130{ 1596{
1131 int ifd = s_fileno_croak (in_fh , 0); 1597 int ifd = s_fileno_croak (in_fh , 0);
1132 int ofd = s_fileno_croak (out_fh, 1); 1598 int ofd = s_fileno_croak (out_fh, 1);
1133 dREQ; 1599 dREQ;
1134 1600
1135 req->type = EIO_SENDFILE; 1601 req->type = EIO_SENDFILE;
1136 req->sv1 = newSVsv (out_fh); 1602 req->sv1 = newSVsv (out_fh);
1137 req->int1 = ofd; 1603 req->int1 = ofd;
… …
1142 1608
1143 REQ_SEND; 1609 REQ_SEND;
1144} 1610}
1145 1611
1146void 1612void
1147aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1613aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1148 PPCODE: 1614 PPCODE:
1149{ 1615{
1150 int fd = s_fileno_croak (fh, 0); 1616 int fd = s_fileno_croak (fh, 0);
1151 dREQ; 1617 dREQ;
1152 1618
1153 req->type = EIO_READAHEAD; 1619 req->type = EIO_READAHEAD;
1154 req->sv1 = newSVsv (fh); 1620 req->sv1 = newSVsv (fh);
1155 req->int1 = fd; 1621 req->int1 = fd;
… …
1158 1624
1159 REQ_SEND; 1625 REQ_SEND;
1160} 1626}
1161 1627
1162void 1628void
1163aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1629aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1164 ALIAS: 1630 ALIAS:
1165 aio_stat = EIO_STAT 1631 aio_stat = EIO_STAT
1166 aio_lstat = EIO_LSTAT 1632 aio_lstat = EIO_LSTAT
1167 aio_statvfs = EIO_STATVFS 1633 aio_statvfs = EIO_STATVFS
1168 PPCODE: 1634 PPCODE:
1169{ 1635{
1170 dREQ; 1636 dREQ;
1171 1637
1172 req->sv1 = newSVsv (fh_or_path); 1638 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1173
1174 if (SvPOK (req->sv1))
1175 {
1176 req->type = ix;
1177 req->ptr1 = SvPVbyte_nolen (req->sv1);
1178 }
1179 else
1180 {
1181 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1182 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1183 }
1184 1639
1185 REQ_SEND; 1640 REQ_SEND;
1186} 1641}
1642
1643void
1644st_xtime ()
1645 ALIAS:
1646 st_atime = 1
1647 st_mtime = 2
1648 st_ctime = 4
1649 st_xtime = 7
1650 PPCODE:
1651 EXTEND (SP, 3);
1652 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1653 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1654 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1655
1656void
1657st_xtimensec ()
1658 ALIAS:
1659 st_atimensec = 1
1660 st_mtimensec = 2
1661 st_ctimensec = 4
1662 st_xtimensec = 7
1663 PPCODE:
1664 EXTEND (SP, 3);
1665 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1666 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1667 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1187 1668
1188UV 1669UV
1189major (UV dev) 1670major (UV dev)
1190 ALIAS: 1671 ALIAS:
1191 minor = 1 1672 minor = 1
1192 CODE: 1673 CODE:
1193 RETVAL = ix ? major (dev) : minor (dev); 1674 RETVAL = ix ? minor (dev) : major (dev);
1194 OUTPUT: 1675 OUTPUT:
1195 RETVAL 1676 RETVAL
1196 1677
1197UV 1678UV
1198makedev (UV maj, UV min) 1679makedev (UV maj, UV min)
… …
1200 RETVAL = makedev (maj, min); 1681 RETVAL = makedev (maj, min);
1201 OUTPUT: 1682 OUTPUT:
1202 RETVAL 1683 RETVAL
1203 1684
1204void 1685void
1205aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1686aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1206 PPCODE: 1687 PPCODE:
1207{ 1688{
1208 dREQ; 1689 dREQ;
1209 1690
1210 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1691 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1211 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1692 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1212 req->sv1 = newSVsv (fh_or_path); 1693 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1213
1214 if (SvPOK (req->sv1))
1215 {
1216 req->type = EIO_UTIME;
1217 req->ptr1 = SvPVbyte_nolen (req->sv1);
1218 }
1219 else
1220 {
1221 req->type = EIO_FUTIME;
1222 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1223 }
1224 1694
1225 REQ_SEND; 1695 REQ_SEND;
1226} 1696}
1227 1697
1228void 1698void
1229aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1699aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1230 PPCODE: 1700 PPCODE:
1231{ 1701{
1232 dREQ; 1702 dREQ;
1233 1703
1234 req->sv1 = newSVsv (fh_or_path);
1235 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1704 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1236 1705 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1237 if (SvPOK (req->sv1))
1238 {
1239 req->type = EIO_TRUNCATE;
1240 req->ptr1 = SvPVbyte_nolen (req->sv1);
1241 }
1242 else
1243 {
1244 req->type = EIO_FTRUNCATE;
1245 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1246 }
1247 1706
1248 REQ_SEND; 1707 REQ_SEND;
1249} 1708}
1250 1709
1251void 1710void
1252aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1711aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1253 ALIAS:
1254 aio_chmod = EIO_CHMOD
1255 aio_mkdir = EIO_MKDIR
1256 PPCODE: 1712 PPCODE:
1257{ 1713{
1258 dREQ; 1714 dREQ;
1259 1715
1260 req->int2 = mode; 1716 req->int2 = mode;
1261 req->sv1 = newSVsv (fh_or_path); 1717 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1262
1263 if (SvPOK (req->sv1))
1264 {
1265 req->type = ix;
1266 req->ptr1 = SvPVbyte_nolen (req->sv1);
1267 }
1268 else
1269 {
1270 req->type = EIO_FCHMOD;
1271 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1272 }
1273 1718
1274 REQ_SEND; 1719 REQ_SEND;
1275} 1720}
1276 1721
1277void 1722void
1278aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1723aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1279 PPCODE: 1724 PPCODE:
1280{ 1725{
1281 dREQ; 1726 dREQ;
1282 1727
1283 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1728 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1284 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1729 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1285 req->sv1 = newSVsv (fh_or_path); 1730 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1286
1287 if (SvPOK (req->sv1))
1288 {
1289 req->type = EIO_CHOWN;
1290 req->ptr1 = SvPVbyte_nolen (req->sv1);
1291 }
1292 else
1293 {
1294 req->type = EIO_FCHOWN;
1295 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1296 }
1297 1731
1298 REQ_SEND; 1732 REQ_SEND;
1299} 1733}
1300 1734
1301void 1735void
1302aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1736aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1303 PPCODE: 1737 PPCODE:
1304{ 1738{
1305 dREQ; 1739 dREQ;
1306 1740
1307 req->type = EIO_READDIR; 1741 req->type = EIO_READDIR;
1308 req->sv1 = newSVsv (pathname);
1309 req->ptr1 = SvPVbyte_nolen (req->sv1);
1310 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1742 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1311 1743
1312 if (flags & EIO_READDIR_DENTS) 1744 if (flags & EIO_READDIR_DENTS)
1313 req->int1 |= EIO_READDIR_CUSTOM2; 1745 req->int1 |= EIO_READDIR_CUSTOM2;
1314 1746
1747 req_set_path1 (req, pathname);
1748
1315 REQ_SEND; 1749 REQ_SEND;
1316} 1750}
1317 1751
1318void 1752void
1753aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1754 PPCODE:
1755{
1756 dREQ;
1757
1758 req->type = EIO_MKDIR;
1759 req->int2 = mode;
1760 req_set_path1 (req, pathname);
1761
1762 REQ_SEND;
1763}
1764
1765void
1319aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1766aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1320 ALIAS: 1767 ALIAS:
1321 aio_unlink = EIO_UNLINK 1768 aio_unlink = EIO_UNLINK
1322 aio_rmdir = EIO_RMDIR 1769 aio_rmdir = EIO_RMDIR
1323 aio_readdir = EIO_READDIR 1770 aio_readdir = EIO_READDIR
1324 PPCODE: 1771 PPCODE:
1325{ 1772{
1326 dREQ; 1773 dREQ;
1327 1774
1328 req->type = ix; 1775 req->type = ix;
1329 req->sv1 = newSVsv (pathname); 1776 req_set_path1 (req, pathname);
1330 req->ptr1 = SvPVbyte_nolen (req->sv1);
1331 1777
1332 REQ_SEND; 1778 REQ_SEND;
1333} 1779}
1334 1780
1335void 1781void
1336aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1782aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1337 ALIAS: 1783 ALIAS:
1338 aio_link = EIO_LINK 1784 aio_link = EIO_LINK
1339 aio_symlink = EIO_SYMLINK 1785 aio_symlink = EIO_SYMLINK
1340 aio_rename = EIO_RENAME 1786 aio_rename = EIO_RENAME
1341 PPCODE: 1787 PPCODE:
1342{ 1788{
1789 eio_wd wd2 = 0;
1343 dREQ; 1790 dREQ;
1344 1791
1345 req->type = ix; 1792 req->type = ix;
1346 req->sv1 = newSVsv (oldpath); 1793 req_set_path1 (req, oldpath);
1347 req->ptr1 = SvPVbyte_nolen (req->sv1); 1794 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1348 req->sv2 = newSVsv (newpath); 1795 req->int3 = (long)wd2;
1349 req->ptr2 = SvPVbyte_nolen (req->sv2);
1350 1796
1351 REQ_SEND; 1797 REQ_SEND;
1352} 1798}
1353 1799
1354void 1800void
1801aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1802 PPCODE:
1803{
1804 eio_wd wd2 = 0;
1805 dREQ;
1806
1807 req->type = EIO_RENAME;
1808 req_set_path1 (req, oldpath);
1809 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1810 req->int2 = flags;
1811 req->int3 = (long)wd2;
1812
1813 REQ_SEND;
1814}
1815
1816void
1355aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1817aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1356 PPCODE: 1818 PPCODE:
1357{ 1819{
1358 dREQ; 1820 dREQ;
1359 1821
1360 req->type = EIO_MKNOD; 1822 req->type = EIO_MKNOD;
1361 req->sv1 = newSVsv (pathname);
1362 req->ptr1 = SvPVbyte_nolen (req->sv1);
1363 req->int2 = (mode_t)mode; 1823 req->int2 = (mode_t)mode;
1364 req->offs = dev; 1824 req->offs = dev;
1825 req_set_path1 (req, pathname);
1365 1826
1366 REQ_SEND; 1827 REQ_SEND;
1367} 1828}
1368 1829
1369void 1830void
1370aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1831aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1371 ALIAS: 1832 ALIAS:
1372 aio_mtouch = EIO_MTOUCH 1833 aio_mtouch = EIO_MTOUCH
1373 aio_msync = EIO_MSYNC 1834 aio_msync = EIO_MSYNC
1374 PPCODE: 1835 PPCODE:
1375{ 1836{
1376 STRLEN svlen; 1837 STRLEN svlen;
1377 char *svptr = SvPVbyte (data, svlen); 1838 char *svptr = SvPVbyte (data, svlen);
1378 UV len = SvUV (length); 1839 UV len = SvUV (length);
1840
1841 if (flags < 0)
1842 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1379 1843
1380 if (offset < 0) 1844 if (offset < 0)
1381 offset += svlen; 1845 offset += svlen;
1382 1846
1383 if (offset < 0 || offset > svlen) 1847 if (offset < 0 || offset > svlen)
… …
1398 REQ_SEND; 1862 REQ_SEND;
1399 } 1863 }
1400} 1864}
1401 1865
1402void 1866void
1403aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1867aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1404 PPCODE: 1868 PPCODE:
1405{ 1869{
1406 STRLEN svlen; 1870 STRLEN svlen;
1407 char *svptr = SvPVbyte (data, svlen); 1871 char *svptr = SvPVbyte (data, svlen);
1408 UV len = SvUV (length); 1872 UV len = SvUV (length);
… …
1427 REQ_SEND; 1891 REQ_SEND;
1428 } 1892 }
1429} 1893}
1430 1894
1431void 1895void
1432aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1896aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1433 PPCODE: 1897 PPCODE:
1434{ 1898{
1435 dREQ; 1899 dREQ;
1436 1900
1437 req->type = EIO_MLOCKALL; 1901 req->type = EIO_MLOCKALL;
… …
1439 1903
1440 REQ_SEND; 1904 REQ_SEND;
1441} 1905}
1442 1906
1443void 1907void
1908aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1909 PPCODE:
1910{
1911 int fd = s_fileno_croak (fh, 0);
1912 dREQ;
1913
1914 req->type = EIO_CUSTOM;
1915 req->sv1 = newSVsv (fh);
1916 req->int1 = fd;
1917
1918 req->feed = fiemap;
1919#if HAVE_FIEMAP
1920 /* keep our fingers crossed that the next two types are 64 bit */
1921 req->offs = start;
1922 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1923 req->int2 = flags;
1924 req->int3 = SvOK (count) ? SvIV (count) : -1;
1925#endif
1926
1927 REQ_SEND;
1928}
1929
1930void
1931aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1932 PPCODE:
1933{
1934 char *svptr = 0;
1935
1936 sv_clear_foreign (data);
1937
1938 if (length) /* known length, directly read into scalar */
1939 {
1940 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1941 svptr = sv_grow (data, length + 1);
1942 else if (SvCUR (data) < length)
1943 croak ("length outside of scalar, and cannot grow");
1944 else
1945 svptr = SvPVbyte_nolen (data);
1946 }
1947
1948 {
1949 dREQ;
1950
1951 req->type = EIO_SLURP;
1952 req_set_path1 (req, pathname);
1953 req->offs = offset;
1954 req->size = length;
1955 req->sv2 = SvREFCNT_inc (data);
1956 req->ptr2 = svptr;
1957
1958 if (!SvREADONLY (data))
1959 {
1960 SvREADONLY_on (data);
1961 req->flags |= FLAG_SV2_RO_OFF;
1962 }
1963
1964 REQ_SEND;
1965 }
1966}
1967
1968void
1444aio_busy (double delay, SV *callback=&PL_sv_undef) 1969aio_busy (double delay, SV *callback = &PL_sv_undef)
1445 PPCODE: 1970 PPCODE:
1446{ 1971{
1447 dREQ; 1972 dREQ;
1448 1973
1449 req->type = EIO_BUSY; 1974 req->type = EIO_BUSY;
… …
1451 1976
1452 REQ_SEND; 1977 REQ_SEND;
1453} 1978}
1454 1979
1455void 1980void
1456aio_group (SV *callback=&PL_sv_undef) 1981aio_group (SV *callback = &PL_sv_undef)
1457 PPCODE: 1982 PPCODE:
1458{ 1983{
1459 dREQ; 1984 dREQ;
1460 1985
1461 req->type = EIO_GROUP; 1986 req->type = EIO_GROUP;
1462 1987
1988 PUTBACK;
1463 req_submit (req); 1989 req_submit (req);
1990 SPAGAIN;
1991
1464 XPUSHs (req_sv (req, aio_grp_stash)); 1992 XPUSHs (req_sv (req, aio_grp_stash));
1465} 1993}
1466 1994
1467void 1995void
1468aio_nop (SV *callback=&PL_sv_undef) 1996aio_nop (SV *callback = &PL_sv_undef)
1469 ALIAS: 1997 ALIAS:
1470 aio_nop = EIO_NOP 1998 aio_nop = EIO_NOP
1471 aio_sync = EIO_SYNC 1999 aio_sync = EIO_SYNC
1472 PPCODE: 2000 PPCODE:
1473{ 2001{
… …
1477 2005
1478 REQ_SEND; 2006 REQ_SEND;
1479} 2007}
1480 2008
1481int 2009int
1482aioreq_pri (int pri = 0) 2010aioreq_pri (int pri = NO_INIT)
1483 CODE: 2011 CODE:
1484 RETVAL = next_pri; 2012 RETVAL = next_pri;
1485 if (items > 0) 2013 if (items > 0)
1486 { 2014 {
1487 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2015 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1569 CODE: 2097 CODE:
1570 RETVAL = posix_fadvise (fh, offset, length, advice); 2098 RETVAL = posix_fadvise (fh, offset, length, advice);
1571 OUTPUT: 2099 OUTPUT:
1572 RETVAL 2100 RETVAL
1573 2101
1574ssize_t 2102IV
1575sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2103sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1576 CODE: 2104 CODE:
1577 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2105 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1578 OUTPUT: 2106 OUTPUT:
1579 RETVAL 2107 RETVAL
1580 2108
1581void 2109void
1582mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2110mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1583 PPCODE: 2111 PPCODE:
1584 sv_unmagic (scalar, MMAP_MAGIC); 2112 sv_clear_foreign (scalar);
1585{ 2113{
1586 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2114 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1587 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2115 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1588 if (addr == (void *)-1) 2116 if (addr == (void *)-1)
1589 XSRETURN_NO; 2117 XSRETURN_NO;
1590 2118
1591 sv_force_normal (scalar); 2119 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1592
1593 /* we store the length in mg_obj, as namlen is I32 :/ */
1594 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1595 ->mg_obj = (SV *)length;
1596
1597 SvUPGRADE (scalar, SVt_PV); /* nop... */
1598 2120
1599 if (!(prot & PROT_WRITE)) 2121 if (!(prot & PROT_WRITE))
1600 SvREADONLY_on (scalar); 2122 SvREADONLY_on (scalar);
1601 2123
1602 if (SvLEN (scalar))
1603 Safefree (SvPVX (scalar));
1604
1605 SvPVX (scalar) = (char *)addr;
1606 SvCUR_set (scalar, length);
1607 SvLEN_set (scalar, 0);
1608 SvPOK_only (scalar);
1609
1610 XSRETURN_YES; 2124 XSRETURN_YES;
1611} 2125}
1612 2126
1613void 2127void
1614munmap (SV *scalar) 2128munmap (SV *scalar)
1615 CODE: 2129 CODE:
1616 sv_unmagic (scalar, MMAP_MAGIC); 2130 sv_clear_foreign (scalar);
2131
2132SV *
2133mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2134 CODE:
2135{
2136 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2137 void *new;
2138
2139 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2140 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2141
2142 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2143
2144 RETVAL = &PL_sv_no;
2145
2146 if (new != (void *)-1)
2147 {
2148 RETVAL = new == (void *)mg->mg_ptr
2149 ? newSVpvn ("0 but true", 10)
2150 : &PL_sv_yes;
2151
2152 mg->mg_ptr = (char *)new;
2153 mg->mg_obj = (SV *)new_length;
2154
2155 SvPVX (scalar) = mg->mg_ptr;
2156 SvCUR_set (scalar, new_length);
2157 }
2158}
2159 OUTPUT:
2160 RETVAL
1617 2161
1618int 2162int
1619madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2163madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1620 ALIAS: 2164 ALIAS:
1621 mprotect = 1 2165 mprotect = 1
1622 CODE: 2166 CODE:
1623{ 2167{
1624 STRLEN svlen; 2168 STRLEN svlen;
1625 void *addr = SvPVbyte (scalar, svlen); 2169 void *addr = SvPVbyte (scalar, svlen);
1626 size_t len = SvUV (length); 2170 STRLEN len = SvUV (length);
1627 2171
1628 if (offset < 0) 2172 if (offset < 0)
1629 offset += svlen; 2173 offset += svlen;
1630 2174
1631 if (offset < 0 || offset > svlen) 2175 if (offset < 0 || offset > svlen)
… …
1645} 2189}
1646 OUTPUT: 2190 OUTPUT:
1647 RETVAL 2191 RETVAL
1648 2192
1649int 2193int
1650munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2194munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1651 CODE: 2195 CODE:
1652{ 2196{
1653 STRLEN svlen; 2197 STRLEN svlen;
1654 void *addr = SvPVbyte (scalar, svlen); 2198 void *addr = SvPVbyte (scalar, svlen);
1655 size_t len = SvUV (length); 2199 size_t len = SvUV (length);
1656 2200
1657 if (offset < 0) 2201 if (offset < 0)
1658 offset += svlen; 2202 offset += svlen;
1659 2203
… …
1666 addr = (void *)(((intptr_t)addr) + offset); 2210 addr = (void *)(((intptr_t)addr) + offset);
1667 eio_page_align (&addr, &len); 2211 eio_page_align (&addr, &len);
1668#if _POSIX_MEMLOCK_RANGE 2212#if _POSIX_MEMLOCK_RANGE
1669 RETVAL = munlock (addr, len); 2213 RETVAL = munlock (addr, len);
1670#else 2214#else
1671 RETVAL = ((errno = ENOSYS), -1); 2215 RETVAL = EIO_ENOSYS ();
1672#endif 2216#endif
1673} 2217}
1674 OUTPUT: 2218 OUTPUT:
1675 RETVAL 2219 RETVAL
1676 2220
… …
1678munlockall () 2222munlockall ()
1679 CODE: 2223 CODE:
1680#if _POSIX_MEMLOCK 2224#if _POSIX_MEMLOCK
1681 munlockall (); 2225 munlockall ();
1682#else 2226#else
1683 RETVAL = -1; 2227 RETVAL = EIO_ENOSYS ();
1684 errno = ENOSYS;
1685#endif 2228#endif
1686 OUTPUT: 2229 OUTPUT:
1687 RETVAL 2230 RETVAL
2231
2232int
2233splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2234 CODE:
2235{
2236#if HAVE_LINUX_SPLICE
2237 loff_t off_in_, off_out_;
2238 RETVAL = splice (
2239 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2240 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2241 length, flags
2242 );
2243#else
2244 RETVAL = EIO_ENOSYS ();
2245#endif
2246}
2247 OUTPUT:
2248 RETVAL
2249
2250int
2251tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2252 CODE:
2253#if HAVE_LINUX_SPLICE
2254 RETVAL = tee (rfh, wfh, length, flags);
2255#else
2256 RETVAL = EIO_ENOSYS ();
2257#endif
2258 OUTPUT:
2259 RETVAL
2260
2261int
2262pipesize (aio_rfd rfh, int new_size = -1)
2263 PROTOTYPE: $;$
2264 CODE:
2265#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2266 if (new_size >= 0)
2267 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2268 else
2269 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2270#else
2271 errno = ENOSYS;
2272 RETVAL = -1;
2273#endif
2274 OUTPUT:
2275 RETVAL
2276
2277void
2278pipe2 (int flags = 0)
2279 PROTOTYPE: ;$
2280 PPCODE:
2281{
2282 int fd[2];
2283 int res;
2284
2285 if (flags)
2286#if HAVE_PIPE2
2287 res = pipe2 (fd, flags);
2288#else
2289 res = (errno = ENOSYS, -1);
2290#endif
2291 else
2292 res = pipe (fd);
2293
2294 if (!res)
2295 {
2296 EXTEND (SP, 2);
2297 PUSHs (newmortalFH (fd[0], O_RDONLY));
2298 PUSHs (newmortalFH (fd[1], O_WRONLY));
2299 }
2300}
2301
2302void
2303eventfd (unsigned int initval = 0, int flags = 0)
2304 PPCODE:
2305{
2306 int fd;
2307#if HAVE_EVENTFD
2308 fd = eventfd (initval, flags);
2309#else
2310 fd = (errno = ENOSYS, -1);
2311#endif
2312
2313 XPUSHs (newmortalFH (fd, O_RDWR));
2314}
2315
2316void
2317timerfd_create (int clockid, int flags = 0)
2318 PPCODE:
2319{
2320 int fd;
2321#if HAVE_TIMERFD
2322 fd = timerfd_create (clockid, flags);
2323#else
2324 fd = (errno = ENOSYS, -1);
2325#endif
2326
2327 XPUSHs (newmortalFH (fd, O_RDWR));
2328}
2329
2330void
2331timerfd_settime (SV *fh, int flags, NV interval, NV value)
2332 PPCODE:
2333{
2334 int fd = s_fileno_croak (fh, 0);
2335#if HAVE_TIMERFD
2336 int res;
2337 struct itimerspec its, ots;
2338
2339 ts_set (&its.it_interval, interval);
2340 ts_set (&its.it_value , value);
2341 res = timerfd_settime (fd, flags, &its, &ots);
2342
2343 if (!res)
2344 {
2345 EXTEND (SP, 2);
2346 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2347 PUSHs (newSVnv (ts_get (&ots.it_value)));
2348 }
2349#else
2350 errno = ENOSYS;
2351#endif
2352}
2353
2354void
2355timerfd_gettime (SV *fh)
2356 PPCODE:
2357{
2358 int fd = s_fileno_croak (fh, 0);
2359#if HAVE_TIMERFD
2360 int res;
2361 struct itimerspec ots;
2362 res = timerfd_gettime (fd, &ots);
2363
2364 if (!res)
2365 {
2366 EXTEND (SP, 2);
2367 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2368 PUSHs (newSVnv (ts_get (&ots.it_value)));
2369 }
2370#else
2371 errno = ENOSYS;
2372#endif
2373}
2374
2375UV
2376get_fdlimit ()
2377 CODE:
2378#if HAVE_RLIMITS
2379 struct rlimit rl;
2380 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2381 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2382#endif
2383 XSRETURN_UNDEF;
2384 OUTPUT:
2385 RETVAL
2386
2387void
2388min_fdlimit (UV limit = 0x7fffffffU)
2389 CODE:
2390{
2391#if HAVE_RLIMITS
2392 struct rlimit rl;
2393 rlim_t orig_rlim_max;
2394 UV bit;
2395
2396 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2397 goto fail;
2398
2399 if (rl.rlim_cur == RLIM_INFINITY)
2400 XSRETURN_YES;
2401
2402 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2403
2404 if (rl.rlim_cur < limit)
2405 {
2406 rl.rlim_cur = limit;
2407
2408 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2409 rl.rlim_max = rl.rlim_cur;
2410 }
2411
2412 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2413 XSRETURN_YES;
2414
2415 if (errno == EPERM)
2416 {
2417 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2418 /* our limit overflows a system-wide limit */
2419 /* try an adaptive algorithm, but do not lower the hardlimit */
2420 rl.rlim_max = 0;
2421 for (bit = 0x40000000U; bit; bit >>= 1)
2422 {
2423 rl.rlim_max |= bit;
2424 rl.rlim_cur = rl.rlim_max;
2425
2426 /* nevr decrease the hard limit */
2427 if (rl.rlim_max < orig_rlim_max)
2428 break;
2429
2430 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2431 rl.rlim_max &= ~bit; /* too high, remove bit again */
2432 }
2433
2434 /* now, raise the soft limit to the max permitted */
2435 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2436 {
2437 rl.rlim_cur = rl.rlim_max;
2438 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2439 errno = EPERM;
2440 }
2441 }
2442#endif
2443 fail:
2444 XSRETURN_UNDEF;
2445}
1688 2446
1689void _on_next_submit (SV *cb) 2447void _on_next_submit (SV *cb)
1690 CODE: 2448 CODE:
1691 SvREFCNT_dec (on_next_submit); 2449 SvREFCNT_dec (on_next_submit);
1692 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2450 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1693 2451
1694PROTOTYPES: DISABLE 2452PROTOTYPES: DISABLE
1695 2453
2454MODULE = IO::AIO PACKAGE = IO::AIO::WD
2455
2456BOOT:
2457{
2458 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2459 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2460}
2461
2462void
2463DESTROY (SV *self)
2464 CODE:
2465{
2466 aio_wd wd = SvAIO_WD (self);
2467#if HAVE_AT
2468 {
2469 SV *callback = &PL_sv_undef;
2470 dREQ; /* clobbers next_pri :/ */
2471 next_pri = req->pri; /* restore next_pri */
2472 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2473 req->type = EIO_WD_CLOSE;
2474 req->wd = wd;
2475 REQ_SEND;
2476 }
2477#else
2478 eio_wd_close_sync (wd);
2479#endif
2480}
2481
1696MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2482MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1697 2483
1698void 2484void
1699cancel (aio_req_ornot req) 2485cancel (aio_req_ornot req)
1700 CODE: 2486 CODE:
1701 eio_cancel (req); 2487 eio_cancel (req);
1702 2488
1703void 2489void
1704cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2490cb (aio_req_ornot req, SV *callback = NO_INIT)
1705 PPCODE: 2491 PPCODE:
1706{ 2492{
1707 if (GIMME_V != G_VOID) 2493 if (GIMME_V != G_VOID)
1708 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2494 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1709 2495
1710 if (items > 1) 2496 if (items > 1)
1711 { 2497 {
1712 SV *cb_cv =get_cb (callback); 2498 SV *cb_cv = get_cb (callback);
1713 2499
1714 SvREFCNT_dec (req->callback); 2500 SvREFCNT_dec (req->callback);
1715 req->callback = SvREFCNT_inc (cb_cv); 2501 req->callback = SvREFCNT_inc (cb_cv);
1716 } 2502 }
1717} 2503}
… …
1774limit (aio_req grp, int limit) 2560limit (aio_req grp, int limit)
1775 CODE: 2561 CODE:
1776 eio_grp_limit (grp, limit); 2562 eio_grp_limit (grp, limit);
1777 2563
1778void 2564void
1779feed (aio_req grp, SV *callback=&PL_sv_undef) 2565feed (aio_req grp, SV *callback = &PL_sv_undef)
1780 CODE: 2566 CODE:
1781{ 2567{
1782 SvREFCNT_dec (grp->sv2); 2568 SvREFCNT_dec (grp->sv2);
1783 grp->sv2 = newSVsv (callback); 2569 grp->sv2 = newSVsv (callback);
1784 grp->feed = aio_grp_feed; 2570 grp->feed = aio_grp_feed;

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