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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC vs.
Revision 1.258 by root, Wed Jul 18 00:57:55 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>
15#include <sys/stat.h> 17#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 18#include <limits.h>
18#include <fcntl.h> 19#include <fcntl.h>
19#include <sched.h> 20#include <sched.h>
20 21
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 22#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 23# include <sys/mman.h>
23#endif 24#endif
24 25
26/* the incompetent fool that created musl keeps __linux__, refuses
27 * to implement any linux standard apis, and also has no way to test
28 * for his broken iplementation. don't complain to me if this fails
29 * for you.
30 */
31#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
32# include <linux/fs.h>
33# ifdef FS_IOC_FIEMAP
34# include <linux/types.h>
35# include <linux/fiemap.h>
36# define HAVE_FIEMAP 1
37# endif
38#endif
39
25/* perl namespace pollution */ 40/* perl namespace pollution */
26#undef VERSION 41#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 42
77/* perl stupidly overrides readdir and maybe others */ 43/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 44/* with thread-unsafe versions, imagine that :( */
79#undef readdir 45#undef readdir
80#undef opendir 46#undef opendir
81#undef closedir 47#undef closedir
82 48
49#ifdef _WIN32
50
51 // perl overrides all those nice libc functions
52
53 #undef malloc
54 #undef free
55 #undef open
56 #undef read
57 #undef write
58 #undef send
59 #undef recv
60 #undef stat
61 #undef lstat
62 #undef fstat
63 #undef truncate
64 #undef ftruncate
65 #undef open
66 #undef link
67 #undef close
68 #undef unlink
69 #undef mkdir
70 #undef rmdir
71 #undef rename
72 #undef lseek
73 #undef opendir
74 #undef readdir
75 #undef closedir
76 #undef chmod
77 #undef fchmod
78 #undef dup
79 #undef dup2
80 #undef abort
81 #undef pipe
82
83 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 84 #define EIO_STRUCT_STATI64
84 85
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 86#else
91# define VAL64 NV 87
92# define SvVAL64 SvNV 88 #include <sys/time.h>
93# define newSVval64 newSVnv 89 #include <sys/select.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
94#endif 96#endif
95 97
96/*****************************************************************************/ 98/*****************************************************************************/
97 99
98#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
106 108
107/*****************************************************************************/ 109/*****************************************************************************/
108 110
111#include "libeio/config.h"
112
113#include "schmorp.h"
114
115#if HAVE_EVENTFD
116# include <sys/eventfd.h>
117#endif
118
119#if HAVE_TIMERFD
120# include <sys/timerfd.h>
121#endif
122
123#if HAVE_RLIMITS
124 #include <sys/time.h>
125 #include <sys/resource.h>
126#endif
127
109typedef SV SV8; /* byte-sv, used for argument-checking */ 128typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 129typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 130typedef int aio_wfd; /* write file descriptor */
112 131
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 132static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 133
115#define EIO_REQ_MEMBERS \ 134#define EIO_REQ_MEMBERS \
116 SV *callback; \ 135 SV *callback; \
117 SV *sv1, *sv2; \ 136 SV *sv1, *sv2; \
137 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 138 STRLEN stroffset; \
119 SV *self; 139 SV *self;
120 140
121#define EIO_NO_WRAPPERS 1 141#define EIO_NO_WRAPPERS 1
122 142
123#include "libeio/config.h"
124#include "libeio/eio.h" 143#include "libeio/eio.h"
125 144
126#ifndef POSIX_FADV_NORMAL 145static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 146#define EIO_FINISH(req) req_invoke (req)
128#endif 147static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 148#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 149
131#endif 150#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
144 151
145#if !HAVE_POSIX_FADVISE 152#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 153# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 154#endif
148 155
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 156#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 157# 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 158#endif
212 159
213#ifndef MAP_ANONYMOUS 160#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON 161# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON 162# define MAP_ANONYMOUS MAP_ANON
216# else 163# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif 165# endif
219#endif 166#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235 167
236#ifndef PAGESIZE 168/* defines all sorts of constants to 0 unless they are already defined */
169/* also provides const_iv_ and const_niv_ macros for them */
170#include "def0.h"
171
172#ifndef makedev
173# define makedev(maj,min) (((maj) << 8) | (min))
174#endif
175#ifndef major
176# define major(dev) ((dev) >> 8)
177#endif
178#ifndef minor
179# define minor(dev) ((dev) & 0xff)
180#endif
181
182#if PAGESIZE <= 0
237# define PAGESIZE sysconf (_SC_PAGESIZE) 183# define PAGESIZE sysconf (_SC_PAGESIZE)
238#endif 184#endif
239 185
240static int req_invoke (eio_req *req); 186/*****************************************************************************/
241#define EIO_FINISH(req) req_invoke (req) 187
242static void req_destroy (eio_req *grp); 188#if !_POSIX_MAPPED_FILES
243#define EIO_DESTROY(req) req_destroy (req) 189# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
190# define munmap(addr,length) EIO_ENOSYS ()
191#endif
192
193#if !_POSIX_MEMORY_PROTECTION
194# define mprotect(addr,len,prot) EIO_ENOSYS ()
195#endif
196
197#if !MREMAP_MAYMOVE
198# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
199#endif
200
201#define FOREIGN_MAGIC PERL_MAGIC_ext
202
203static int ecb_cold
204mmap_free (pTHX_ SV *sv, MAGIC *mg)
205{
206 int old_errno = errno;
207 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
208 errno = old_errno;
209
210 mg->mg_obj = 0; /* just in case */
211
212 SvREADONLY_off (sv);
213
214 if (SvPVX (sv) != mg->mg_ptr)
215 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
216
217 SvCUR_set (sv, 0);
218 SvPVX (sv) = 0;
219 SvOK_off (sv);
220
221 return 0;
222}
223
224static MGVTBL mmap_vtbl = {
225 0, 0, 0, 0, mmap_free
226};
227
228static int ecb_cold
229sysfree_free (pTHX_ SV *sv, MAGIC *mg)
230{
231 free (mg->mg_ptr);
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 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 sysfree_vtbl = {
247 0, 0, 0, 0, sysfree_free
248};
249
250/*****************************************************************************/
251
252/* helper: set scalar to foreign ptr with custom free */
253static void
254sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
255{
256 sv_force_normal (sv);
257
258 /* we store the length in mg_obj, as namlen is I32 :/ */
259 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
260 ->mg_obj = (SV *)length;
261
262 SvUPGRADE (sv, SVt_PV); /* nop... */
263
264 if (SvLEN (sv))
265 Safefree (SvPVX (sv));
266
267 SvPVX (sv) = (char *)addr;
268 SvCUR_set (sv, length);
269 SvLEN_set (sv, 0);
270 SvPOK_only (sv);
271}
272
273static void
274sv_clear_foreign (SV *sv)
275{
276 /* todo: iterate over magic and only free ours, but of course */
277 /* the perl5porters will call that (correct) behaviour buggy */
278 sv_unmagic (sv, FOREIGN_MAGIC);
279}
280
281/*****************************************************************************/
282
283static void
284fiemap (eio_req *req)
285{
286 req->result = -1;
287
288#if HAVE_FIEMAP
289 /* assume some c99 */
290 struct fiemap *fiemap = 0;
291 size_t end_offset;
292 int count = req->int3;
293
294 req->flags |= EIO_FLAG_PTR1_FREE;
295
296 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
297 /* increase in 3.5kb steps */
298 if (count < 0)
299 count = 8;
300
301 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
302 errno = ENOMEM;
303 if (!fiemap)
304 return;
305
306 req->ptr1 = fiemap;
307
308 fiemap->fm_start = req->offs;
309 fiemap->fm_length = req->size;
310 fiemap->fm_flags = req->int2;
311 fiemap->fm_extent_count = count;
312
313 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
314 return;
315
316 if (req->int3 >= 0 /* not autosizing */
317 || !fiemap->fm_mapped_extents /* no more extents */
318 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
319 goto done;
320
321 /* else we have to loop -
322 * it would be tempting (actually I tried that first) to just query the
323 * number of extents needed, but linux often feels like not returning all
324 * extents, without telling us it left any out. this complicates
325 * this quite a bit.
326 */
327
328 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
329
330 for (;;)
331 {
332 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
333 char scratch[3072];
334 struct fiemap *incmap = (struct fiemap *)scratch;
335
336 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
337 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
338 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
339 incmap->fm_flags = fiemap->fm_flags;
340 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
341
342 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
343 return;
344
345 if (!incmap->fm_mapped_extents)
346 goto done;
347
348 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
349 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
350 errno = ENOMEM;
351 if (!fiemap)
352 return;
353
354 req->ptr1 = fiemap;
355
356 for (count = 0; count < incmap->fm_mapped_extents; ++count)
357 {
358 struct fiemap_extent *e = incmap->fm_extents + count;
359
360 if (e->fe_logical + e->fe_length >= end_offset)
361 goto done;
362
363 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
364
365 if (e->fe_flags & FIEMAP_EXTENT_LAST)
366 goto done;
367
368 }
369 }
370
371done:
372 req->result = 0;
373
374#else
375 errno = ENOSYS;
376#endif
377}
378
379/*****************************************************************************/
244 380
245enum { 381enum {
246 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 382 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247}; 383};
248 384
249#include "libeio/eio.c"
250
251typedef eio_req *aio_req; 385typedef eio_req *aio_req;
252typedef eio_req *aio_req_ornot; 386typedef eio_req *aio_req_ornot;
387typedef eio_wd aio_wd;
253 388
254static SV *on_next_submit; 389static SV *on_next_submit;
255static int next_pri = EIO_PRI_DEFAULT; 390static int next_pri = EIO_PRI_DEFAULT;
256static int max_outstanding; 391static int max_outstanding;
257 392
258static s_epipe respipe; 393static s_epipe respipe;
259 394
260static void req_destroy (aio_req req); 395static void req_destroy (aio_req req);
261static void req_cancel (aio_req req); 396static void req_cancel (aio_req req);
262 397
263static void want_poll (void) 398static void
399want_poll (void)
264{ 400{
265 /* write a dummy byte to the pipe so fh becomes ready */ 401 /* write a dummy byte to the pipe so fh becomes ready */
266 s_epipe_signal (&respipe); 402 s_epipe_signal (&respipe);
267} 403}
268 404
269static void done_poll (void) 405static void
406done_poll (void)
270{ 407{
271 /* read any signals sent by the worker threads */ 408 /* read any signals sent by the worker threads */
272 s_epipe_drain (&respipe); 409 s_epipe_drain (&respipe);
273} 410}
274 411
275/* must be called at most once */ 412/* must be called at most once */
413static SV *
276static SV *req_sv (aio_req req, HV *stash) 414req_sv (aio_req req, HV *stash)
277{ 415{
278 if (!req->self) 416 if (!req->self)
279 { 417 {
280 req->self = (SV *)newHV (); 418 req->self = (SV *)newHV ();
281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 419 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282 } 420 }
283 421
284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 422 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285} 423}
286 424
287static aio_req SvAIO_REQ (SV *sv) 425static SV *
426newSVaio_wd (aio_wd wd)
427{
428 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
429}
430
431static aio_req
432SvAIO_REQ (SV *sv)
288{ 433{
289 MAGIC *mg; 434 MAGIC *mg;
290 435
291 if (!SvROK (sv) 436 if (!SvROK (sv)
437 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash 438 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash 439 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ"))) 440 && !sv_derived_from (sv, "IO::AIO::REQ")))
295 croak ("object of class IO::AIO::REQ expected"); 441 croak ("object of class IO::AIO::REQ expected");
296 442
297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 443 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298 444
299 return mg ? (aio_req)mg->mg_ptr : 0; 445 return mg ? (aio_req)mg->mg_ptr : 0;
300} 446}
301 447
448static aio_wd
449SvAIO_WD (SV *sv)
450{
451 if (!SvROK (sv)
452 || SvTYPE (SvRV (sv)) != SVt_PVMG
453 || SvSTASH (SvRV (sv)) != aio_wd_stash)
454 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
455
456 return (aio_wd)(long)SvIVX (SvRV (sv));
457}
458
459static SV *
460newmortalFH (int fd, int flags)
461{
462 if (fd < 0)
463 return &PL_sv_undef;
464
465 GV *gv = (GV *)sv_newmortal ();
466 char sym[64];
467 int symlen;
468
469 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
470 gv_init (gv, aio_stash, sym, symlen, 0);
471
472 symlen = snprintf (
473 sym,
474 sizeof (sym),
475 "%s&=%d",
476 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
477 fd
478 );
479
480 return do_open (gv, sym, symlen, 0, 0, 0, 0)
481 ? (SV *)gv : &PL_sv_undef;
482}
483
484static void
302static void aio_grp_feed (aio_req grp) 485aio_grp_feed (aio_req grp)
303{ 486{
304 if (grp->sv2 && SvOK (grp->sv2)) 487 if (grp->sv2 && SvOK (grp->sv2))
305 { 488 {
306 dSP; 489 dSP;
307 490
… …
315 FREETMPS; 498 FREETMPS;
316 LEAVE; 499 LEAVE;
317 } 500 }
318} 501}
319 502
503static void
320static void req_submit (eio_req *req) 504req_submit (eio_req *req)
321{ 505{
322 eio_submit (req); 506 eio_submit (req);
323 507
324 if (expect_false (on_next_submit)) 508 if (expect_false (on_next_submit))
325 { 509 {
… …
332 PUTBACK; 516 PUTBACK;
333 call_sv (cb, G_DISCARD | G_EVAL); 517 call_sv (cb, G_DISCARD | G_EVAL);
334 } 518 }
335} 519}
336 520
521static int
337static int req_invoke (eio_req *req) 522req_invoke (eio_req *req)
338{ 523{
339 if (req->flags & FLAG_SV2_RO_OFF) 524 if (req->flags & FLAG_SV2_RO_OFF)
340 SvREADONLY_off (req->sv2); 525 SvREADONLY_off (req->sv2);
341 526
342 if (!EIO_CANCELLED (req) && req->callback) 527 if (!EIO_CANCELLED (req) && req->callback)
… …
363 SvREADONLY_on (sv_result); 548 SvREADONLY_on (sv_result);
364 } 549 }
365 550
366 switch (req->type) 551 switch (req->type)
367 { 552 {
553 case EIO_WD_OPEN:
554 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
555 break;
556
368 case EIO_READDIR: 557 case EIO_READDIR:
369 { 558 {
370 SV *rv = &PL_sv_undef; 559 SV *rv = &PL_sv_undef;
371 560
372 if (req->result >= 0) 561 if (req->result >= 0)
… …
425 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 614 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
426 } 615 }
427 break; 616 break;
428 617
429 case EIO_OPEN: 618 case EIO_OPEN:
430 { 619 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
431 /* convert fd to fh */
432 SV *fh = &PL_sv_undef;
433
434 if (req->result >= 0)
435 {
436 GV *gv = (GV *)sv_newmortal ();
437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
438 char sym [64];
439 int symlen;
440
441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
442 gv_init (gv, aio_stash, sym, symlen, 0);
443
444 symlen = snprintf (
445 sym,
446 sizeof (sym),
447 "%s&=%d",
448 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
449 (int)req->result
450 );
451
452 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
453 fh = (SV *)gv;
454 }
455
456 PUSHs (fh);
457 }
458 break; 620 break;
459 621
460 case EIO_STATVFS: 622 case EIO_STATVFS:
461 case EIO_FSTATVFS: 623 case EIO_FSTATVFS:
462 { 624 {
463 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
464 626
627#ifndef _WIN32
465 if (req->result >= 0) 628 if (req->result >= 0)
466 { 629 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 630 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV (); 631 HV *hv = newHV ();
632 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
633 * chooses to make it a struct.
634 */
635 unsigned long fsid = 0;
636 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
469 637
470 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 638 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471 639
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 640 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 641 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 643 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 644 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 645 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 646 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 647 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 648 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 649 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 650 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 } 651 }
652#endif
484 653
485 PUSHs (rv); 654 PUSHs (rv);
486 } 655 }
487 656
488 break; 657 break;
… …
504 case EIO_NOP: 673 case EIO_NOP:
505 case EIO_BUSY: 674 case EIO_BUSY:
506 break; 675 break;
507 676
508 case EIO_READLINK: 677 case EIO_READLINK:
678 case EIO_REALPATH:
509 if (req->result > 0) 679 if (req->result > 0)
510 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 680 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511 break; 681 break;
512 682
513 case EIO_STAT: 683 case EIO_STAT:
514 case EIO_LSTAT: 684 case EIO_LSTAT:
515 case EIO_FSTAT: 685 case EIO_FSTAT:
516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 686 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
687
517 PL_laststatval = req->result; 688 if (!(PL_laststatval = req->result))
689 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 690 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
691
519 PUSHs (sv_result); 692 PUSHs (sv_result);
693 break;
694
695 case EIO_SEEK:
696 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520 break; 697 break;
521 698
522 case EIO_READ: 699 case EIO_READ:
523 { 700 {
524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 701 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
527 SvSETMAGIC (req->sv2); 704 SvSETMAGIC (req->sv2);
528 PUSHs (sv_result); 705 PUSHs (sv_result);
529 } 706 }
530 break; 707 break;
531 708
709 case EIO_SLURP:
710 {
711 if (req->result >= 0)
712 {
713 /* if length was originally not known, we steal the malloc'ed memory */
714 if (req->flags & EIO_FLAG_PTR2_FREE)
715 {
716 req->flags &= ~EIO_FLAG_PTR2_FREE;
717 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
718 }
719 else
720 {
721 SvCUR_set (req->sv2, req->result);
722 *SvEND (req->sv2) = 0;
723 SvPOK_only (req->sv2);
724 }
725
726 SvSETMAGIC (req->sv2);
727 }
728
729 PUSHs (sv_result);
730 }
731 break;
732
733 case EIO_CUSTOM:
734 if (req->feed == fiemap)
735 {
736#if HAVE_FIEMAP
737 if (!req->result)
738 {
739 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
740
741 if (fiemap->fm_extent_count)
742 {
743 AV *av = newAV ();
744 int i;
745
746 while (fiemap->fm_mapped_extents)
747 {
748 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
749 AV *ext_av = newAV ();
750
751 av_store (ext_av, 3, newSVuv (extent->fe_flags));
752 av_store (ext_av, 2, newSVval64 (extent->fe_length));
753 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
754 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
755
756 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
757 }
758
759 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
760 }
761 else
762 {
763 SvIV_set (sv_result, fiemap->fm_mapped_extents);
764 PUSHs (sv_result);
765 }
766 }
767#endif
768 }
769 else
770 PUSHs (sv_result);
771 break;
772
532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 773 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533 if (req->result > 0) 774 if (req->result > 0)
534 SvIV_set (sv_result, 0); 775 SvIV_set (sv_result, 0);
535 /* FALLTHROUGH */ 776 /* FALLTHROUGH */
536 777
… …
557 } 798 }
558 799
559 return !!SvTRUE (ERRSV); 800 return !!SvTRUE (ERRSV);
560} 801}
561 802
803static void
562static void req_destroy (aio_req req) 804req_destroy (aio_req req)
563{ 805{
564 if (req->self) 806 if (req->self)
565 { 807 {
566 sv_unmagic (req->self, PERL_MAGIC_ext); 808 sv_unmagic (req->self, PERL_MAGIC_ext);
567 SvREFCNT_dec (req->self); 809 SvREFCNT_dec (req->self);
568 } 810 }
569 811
570 SvREFCNT_dec (req->sv1); 812 SvREFCNT_dec (req->sv1);
571 SvREFCNT_dec (req->sv2); 813 SvREFCNT_dec (req->sv2);
814 SvREFCNT_dec (req->sv3);
815 SvREFCNT_dec (req->sv4);
572 SvREFCNT_dec (req->callback); 816 SvREFCNT_dec (req->callback);
573 817
574 Safefree (req); 818 free (req);
575} 819}
576 820
821static void
577static void req_cancel_subs (aio_req grp) 822req_cancel_subs (aio_req grp)
578{ 823{
579 aio_req sub;
580
581 if (grp->type != EIO_GROUP) 824 if (grp->type != EIO_GROUP)
582 return; 825 return;
583 826
584 SvREFCNT_dec (grp->sv2); 827 SvREFCNT_dec (grp->sv2);
585 grp->sv2 = 0; 828 grp->sv2 = 0;
586 829
587 eio_grp_cancel (grp); 830 eio_grp_cancel (grp);
588} 831}
589 832
590static void 833static void ecb_cold
591create_respipe (void) 834create_respipe (void)
592{ 835{
593 if (s_epipe_renew (&respipe)) 836 if (s_epipe_renew (&respipe))
594 croak ("IO::AIO: unable to initialize result pipe"); 837 croak ("IO::AIO: unable to initialize result pipe");
595} 838}
596 839
597static void poll_wait (void) 840static void
841poll_wait (void)
598{ 842{
599 while (eio_nreqs ()) 843 while (eio_nreqs ())
600 { 844 {
601 int size; 845 int size;
602 846
603 X_LOCK (reslock); 847 X_LOCK (EIO_POOL->reslock);
604 size = res_queue.size; 848 size = EIO_POOL->res_queue.size;
605 X_UNLOCK (reslock); 849 X_UNLOCK (EIO_POOL->reslock);
606 850
607 if (size) 851 if (size)
608 return; 852 return;
609 853
610 etp_maybe_start_thread (); 854 etp_maybe_start_thread (EIO_POOL);
611 855
612 s_epipe_wait (&respipe); 856 s_epipe_wait (&respipe);
613 } 857 }
614} 858}
615 859
616static int poll_cb (void) 860static int
861poll_cb (void)
617{ 862{
618 for (;;) 863 for (;;)
619 { 864 {
620 int res = eio_poll (); 865 int res = eio_poll ();
621 866
… …
627 872
628 poll_wait (); 873 poll_wait ();
629 } 874 }
630} 875}
631 876
632static void atfork_child (void) 877static void ecb_cold
878reinit (void)
633{ 879{
634 create_respipe (); 880 create_respipe ();
635}
636 881
637/*****************************************************************************/ 882 if (eio_init (want_poll, done_poll) < 0)
638 883 croak ("IO::AIO: unable to initialise eio library");
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642#endif
643
644#if !_POSIX_MEMORY_PROTECTION
645# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
646# define PROT_NONE 0
647# define PROT_WRITE 0
648# define MAP_PRIVATE 0
649# define MAP_SHARED 0
650# define MAP_FIXED 0
651#endif
652
653#define MMAP_MAGIC PERL_MAGIC_ext
654
655static int
656mmap_free (pTHX_ SV *sv, MAGIC *mg)
657{
658 int old_errno = errno;
659 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
660 errno = old_errno;
661
662 mg->mg_obj = 0; /* just in case */
663
664 SvREADONLY_off (sv);
665
666 if (SvPVX (sv) != mg->mg_ptr)
667 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
668
669 SvCUR_set (sv, 0);
670 SvPVX (sv) = 0;
671 SvOK_off (sv);
672
673 return 0;
674} 884}
675
676static MGVTBL mmap_vtbl = {
677 0, 0, 0, 0, mmap_free
678};
679 885
680/*****************************************************************************/ 886/*****************************************************************************/
681 887
682static SV * 888static SV *
683get_cb (SV *cb_sv) 889get_cb (SV *cb_sv)
684{ 890{
685 SvGETMAGIC (cb_sv); 891 SvGETMAGIC (cb_sv);
686 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 892 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
687} 893}
688 894
895static aio_req ecb_noinline
896dreq (SV *callback)
897{
898 SV *cb_cv;
899 aio_req req;
900 int req_pri = next_pri;
901 next_pri = EIO_PRI_DEFAULT;
902
903 cb_cv = get_cb (callback);
904
905 req = calloc (sizeof (*req), 1);
906 if (!req)
907 croak ("out of memory during eio_req allocation");
908
909 req->callback = SvREFCNT_inc (cb_cv);
910 req->pri = req_pri;
911
912 return req;
913}
914
689#define dREQ \ 915#define dREQ \
690 SV *cb_cv; \ 916 aio_req req = dreq (callback); \
691 aio_req req; \
692 int req_pri = next_pri; \
693 next_pri = EIO_PRI_DEFAULT; \
694 \
695 cb_cv = get_cb (callback); \
696 \
697 Newz (0, req, 1, eio_req); \
698 if (!req) \
699 croak ("out of memory during eio_req allocation"); \
700 \
701 req->callback = SvREFCNT_inc (cb_cv); \
702 req->pri = req_pri
703 917
704#define REQ_SEND \ 918#define REQ_SEND \
705 PUTBACK; \ 919 PUTBACK; \
706 req_submit (req); \ 920 req_submit (req); \
707 SPAGAIN; \ 921 SPAGAIN; \
708 \ 922 \
709 if (GIMME_V != G_VOID) \ 923 if (GIMME_V != G_VOID) \
710 XPUSHs (req_sv (req, aio_req_stash)); 924 XPUSHs (req_sv (req, aio_req_stash));
711 925
926ecb_inline void
927req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
928{
929 if (expect_false (SvROK (path)))
930 {
931 SV *rv = SvRV (path);
932 SV *wdob;
933
934 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
935 {
936 path = AvARRAY (rv)[1];
937 wdob = AvARRAY (rv)[0];
938
939 if (SvOK (wdob))
940 {
941 *wd = SvAIO_WD (wdob);
942 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
943 }
944 else
945 *wd = EIO_INVALID_WD;
946 }
947 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
948 {
949 *wd = (aio_wd)(long)SvIVX (rv);
950 *wdsv = SvREFCNT_inc_NN (rv);
951 *ptr = ".";
952 return; /* path set to "." */
953 }
954 else
955 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
956 }
957
958 *pathsv = newSVsv (path);
959 *ptr = SvPVbyte_nolen (*pathsv);
960}
961
962static void ecb_noinline
963req_set_path1 (aio_req req, SV *path)
964{
965 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
966}
967
968static void ecb_noinline
969req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
970{
971 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
972
973 switch (SvTYPE (rv))
974 {
975 case SVt_PVIO:
976 case SVt_PVLV:
977 case SVt_PVGV:
978 req->type = type_fh;
979 req->sv1 = newSVsv (fh_or_path);
980 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
981 break;
982
983 default:
984 req->type = type_path;
985 req_set_path1 (req, fh_or_path);
986 break;
987 }
988}
989
990/*****************************************************************************/
991
992static void
993ts_set (struct timespec *ts, NV value)
994{
995 ts->tv_sec = value;
996 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
997}
998
999static NV
1000ts_get (const struct timespec *ts)
1001{
1002 return ts->tv_sec + ts->tv_nsec * 1e-9;
1003}
1004
1005/*****************************************************************************/
1006
1007XS(boot_IO__AIO) ecb_cold;
1008
712MODULE = IO::AIO PACKAGE = IO::AIO 1009MODULE = IO::AIO PACKAGE = IO::AIO
713 1010
714PROTOTYPES: ENABLE 1011PROTOTYPES: ENABLE
715 1012
716BOOT: 1013BOOT:
… …
720 IV iv; 1017 IV iv;
721 } *civ, const_iv[] = { 1018 } *civ, const_iv[] = {
722# define const_niv(name, value) { # name, (IV) value }, 1019# define const_niv(name, value) { # name, (IV) value },
723# define const_iv(name) { # name, (IV) name }, 1020# define const_iv(name) { # name, (IV) name },
724# define const_eio(name) { # name, (IV) EIO_ ## name }, 1021# define const_eio(name) { # name, (IV) EIO_ ## name },
1022
1023 /* you have to re-run ./gendef0 after adding/removing any constants here */
1024 /* the first block can be undef if missing */
1025 const_iv (ENOSYS)
725 const_iv (EXDEV) 1026 const_iv (EXDEV)
726 const_iv (ENOSYS) 1027 const_iv (EBADR)
1028
1029 /* for lseek */
1030 const_iv (SEEK_DATA)
1031 const_iv (SEEK_HOLE)
1032
1033 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1034 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1035 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1036 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1037 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1038 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1039
1040 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1041 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1042 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1043 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1044 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1045
1046 /* the second block will be 0 when missing */
727 const_iv (O_RDONLY) 1047 const_iv (O_RDONLY)
728 const_iv (O_WRONLY) 1048 const_iv (O_WRONLY)
729 const_iv (O_RDWR) 1049 const_iv (O_RDWR)
730 const_iv (O_CREAT) 1050 const_iv (O_CREAT)
731 const_iv (O_TRUNC) 1051 const_iv (O_TRUNC)
732 const_iv (O_EXCL) 1052 const_iv (O_EXCL)
733 const_iv (O_APPEND) 1053 const_iv (O_APPEND)
734#ifndef _WIN32 1054
1055 const_iv (O_ASYNC)
1056 const_iv (O_DIRECT)
1057 const_iv (O_NOATIME)
1058
1059 const_iv (O_CLOEXEC)
1060 const_iv (O_NOCTTY)
1061 const_iv (O_NOFOLLOW)
1062 const_iv (O_NONBLOCK)
1063 const_iv (O_EXEC)
1064 const_iv (O_SEARCH)
1065 const_iv (O_DIRECTORY)
1066 const_iv (O_DSYNC)
1067 const_iv (O_RSYNC)
1068 const_iv (O_SYNC)
1069 const_iv (O_PATH)
1070 const_iv (O_TMPFILE)
1071 const_iv (O_TTY_INIT)
1072
735 const_iv (S_IFIFO) 1073 const_iv (S_IFIFO)
736#endif 1074 const_iv (S_IFCHR)
737 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1075 const_iv (S_IFBLK)
738 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1076 const_iv (S_IFLNK)
739 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1077 const_iv (S_IFREG)
740 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1078 const_iv (S_IFDIR)
741 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1079 const_iv (S_IFWHT)
742 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1080 const_iv (S_IFSOCK)
743 1081 const_iv (S_IFMT)
744 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
745 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
746 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
747 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
748 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
749 1082
750 const_iv (ST_RDONLY) 1083 const_iv (ST_RDONLY)
751 const_iv (ST_NOSUID) 1084 const_iv (ST_NOSUID)
752 const_iv (ST_NODEV) 1085 const_iv (ST_NODEV)
753 const_iv (ST_NOEXEC) 1086 const_iv (ST_NOEXEC)
… …
763 const_iv (PROT_NONE) 1096 const_iv (PROT_NONE)
764 const_iv (PROT_EXEC) 1097 const_iv (PROT_EXEC)
765 const_iv (PROT_READ) 1098 const_iv (PROT_READ)
766 const_iv (PROT_WRITE) 1099 const_iv (PROT_WRITE)
767 1100
768 /*const_iv (MAP_FIXED)*/
769 const_iv (MAP_PRIVATE) 1101 const_iv (MAP_PRIVATE)
770 const_iv (MAP_SHARED) 1102 const_iv (MAP_SHARED)
1103 const_iv (MAP_FIXED)
771 const_iv (MAP_ANONYMOUS) 1104 const_iv (MAP_ANONYMOUS)
772 1105
773 /* linuxish */ 1106 /* linuxish */
774 const_iv (MAP_HUGETLB)
775 const_iv (MAP_LOCKED) 1107 const_iv (MAP_LOCKED)
776 const_iv (MAP_NORESERVE) 1108 const_iv (MAP_NORESERVE)
777 const_iv (MAP_POPULATE) 1109 const_iv (MAP_POPULATE)
778 const_iv (MAP_NONBLOCK) 1110 const_iv (MAP_NONBLOCK)
1111 const_iv (MAP_GROWSDOWN)
1112 const_iv (MAP_32BIT)
1113 const_iv (MAP_HUGETLB)
1114 const_iv (MAP_STACK)
1115
1116 const_iv (MREMAP_MAYMOVE)
1117 const_iv (MREMAP_FIXED)
1118
1119 const_iv (F_DUPFD_CLOEXEC)
1120
1121 const_iv (F_OFD_GETLK)
1122 const_iv (F_OFD_SETLK)
1123 const_iv (F_OFD_GETLKW)
1124
1125 const_iv (FIFREEZE)
1126 const_iv (FITHAW)
1127 const_iv (FITRIM)
1128 const_iv (FICLONE)
1129 const_iv (FICLONERANGE)
1130 const_iv (FIDEDUPERANGE)
1131
1132 const_iv (FS_IOC_GETFLAGS)
1133 const_iv (FS_IOC_SETFLAGS)
1134 const_iv (FS_IOC_GETVERSION)
1135 const_iv (FS_IOC_SETVERSION)
1136 const_iv (FS_IOC_FIEMAP)
1137 const_iv (FS_IOC_FSGETXATTR)
1138 const_iv (FS_IOC_FSSETXATTR)
1139 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1140 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1141 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1142
1143 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1144
1145 const_iv (FS_SECRM_FL)
1146 const_iv (FS_UNRM_FL)
1147 const_iv (FS_COMPR_FL)
1148 const_iv (FS_SYNC_FL)
1149 const_iv (FS_IMMUTABLE_FL)
1150 const_iv (FS_APPEND_FL)
1151 const_iv (FS_NODUMP_FL)
1152 const_iv (FS_NOATIME_FL)
1153 const_iv (FS_DIRTY_FL)
1154 const_iv (FS_COMPRBLK_FL)
1155 const_iv (FS_NOCOMP_FL)
1156 const_iv (FS_ENCRYPT_FL)
1157 const_iv (FS_BTREE_FL)
1158 const_iv (FS_INDEX_FL)
1159 const_iv (FS_JOURNAL_DATA_FL)
1160 const_iv (FS_NOTAIL_FL)
1161 const_iv (FS_DIRSYNC_FL)
1162 const_iv (FS_TOPDIR_FL)
1163 const_iv (FS_FL_USER_MODIFIABLE)
1164
1165 const_iv (FS_XFLAG_REALTIME)
1166 const_iv (FS_XFLAG_PREALLOC)
1167 const_iv (FS_XFLAG_IMMUTABLE)
1168 const_iv (FS_XFLAG_APPEND)
1169 const_iv (FS_XFLAG_SYNC)
1170 const_iv (FS_XFLAG_NOATIME)
1171 const_iv (FS_XFLAG_NODUMP)
1172 const_iv (FS_XFLAG_RTINHERIT)
1173 const_iv (FS_XFLAG_PROJINHERIT)
1174 const_iv (FS_XFLAG_NOSYMLINKS)
1175 const_iv (FS_XFLAG_EXTSIZE)
1176 const_iv (FS_XFLAG_EXTSZINHERIT)
1177 const_iv (FS_XFLAG_NODEFRAG)
1178 const_iv (FS_XFLAG_FILESTREAM)
1179 const_iv (FS_XFLAG_DAX)
1180 const_iv (FS_XFLAG_HASATTR)
1181
1182 const_iv (FIEMAP_FLAG_SYNC)
1183 const_iv (FIEMAP_FLAG_XATTR)
1184 const_iv (FIEMAP_FLAGS_COMPAT)
1185 const_iv (FIEMAP_EXTENT_LAST)
1186 const_iv (FIEMAP_EXTENT_UNKNOWN)
1187 const_iv (FIEMAP_EXTENT_DELALLOC)
1188 const_iv (FIEMAP_EXTENT_ENCODED)
1189 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1190 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1191 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1192 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1193 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1194 const_iv (FIEMAP_EXTENT_MERGED)
1195 const_iv (FIEMAP_EXTENT_SHARED)
1196
1197 const_iv (SPLICE_F_MOVE)
1198 const_iv (SPLICE_F_NONBLOCK)
1199 const_iv (SPLICE_F_MORE)
1200 const_iv (SPLICE_F_GIFT)
1201
1202 const_iv (EFD_CLOEXEC)
1203 const_iv (EFD_NONBLOCK)
1204 const_iv (EFD_SEMAPHORE)
1205
1206 const_iv (CLOCK_REALTIME)
1207 const_iv (CLOCK_MONOTONIC)
1208 const_iv (CLOCK_BOOTTIME)
1209 const_iv (CLOCK_REALTIME_ALARM)
1210 const_iv (CLOCK_BOOTTIME_ALARM)
1211
1212 const_iv (TFD_NONBLOCK)
1213 const_iv (TFD_CLOEXEC)
1214
1215 const_iv (TFD_TIMER_ABSTIME)
1216 const_iv (TFD_TIMER_CANCEL_ON_SET)
1217
1218 /* these are libeio constants, and are independent of gendef0 */
1219 const_eio (SEEK_SET)
1220 const_eio (SEEK_CUR)
1221 const_eio (SEEK_END)
779 1222
780 const_eio (MCL_FUTURE) 1223 const_eio (MCL_FUTURE)
781 const_eio (MCL_CURRENT) 1224 const_eio (MCL_CURRENT)
782 1225
783 const_eio (MS_ASYNC) 1226 const_eio (MS_ASYNC)
… …
787 const_eio (MT_MODIFY) 1230 const_eio (MT_MODIFY)
788 1231
789 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1232 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
790 const_eio (SYNC_FILE_RANGE_WRITE) 1233 const_eio (SYNC_FILE_RANGE_WRITE)
791 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1234 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1235
1236 const_eio (FALLOC_FL_KEEP_SIZE)
1237 const_eio (FALLOC_FL_PUNCH_HOLE)
1238 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1239 const_eio (FALLOC_FL_ZERO_RANGE)
1240 const_eio (FALLOC_FL_INSERT_RANGE)
1241 const_eio (FALLOC_FL_UNSHARE_RANGE)
1242
1243 const_eio (RENAME_NOREPLACE)
1244 const_eio (RENAME_EXCHANGE)
1245 const_eio (RENAME_WHITEOUT)
792 1246
793 const_eio (READDIR_DENTS) 1247 const_eio (READDIR_DENTS)
794 const_eio (READDIR_DIRS_FIRST) 1248 const_eio (READDIR_DIRS_FIRST)
795 const_eio (READDIR_STAT_ORDER) 1249 const_eio (READDIR_STAT_ORDER)
796 const_eio (READDIR_FOUND_UNKNOWN) 1250 const_eio (READDIR_FOUND_UNKNOWN)
… …
807 }; 1261 };
808 1262
809 aio_stash = gv_stashpv ("IO::AIO" , 1); 1263 aio_stash = gv_stashpv ("IO::AIO" , 1);
810 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1264 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
811 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1265 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1266 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
812 1267
813 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1268 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
814 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1269 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
815 1270
816 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1271 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
817 1272
818 create_respipe (); 1273 reinit ();
819
820 if (eio_init (want_poll, done_poll) < 0)
821 croak ("IO::AIO: unable to initialise eio library");
822
823 /* atfork child called in fifo order, so before eio's handler */
824 X_THREAD_ATFORK (0, 0, atfork_child);
825} 1274}
826 1275
827void 1276void
1277reinit ()
1278 PROTOTYPE:
1279
1280void
828max_poll_reqs (int nreqs) 1281max_poll_reqs (unsigned int nreqs)
829 PROTOTYPE: $ 1282 PROTOTYPE: $
830 CODE: 1283 CODE:
831 eio_set_max_poll_reqs (nreqs); 1284 eio_set_max_poll_reqs (nreqs);
832 1285
833void 1286void
… …
835 PROTOTYPE: $ 1288 PROTOTYPE: $
836 CODE: 1289 CODE:
837 eio_set_max_poll_time (nseconds); 1290 eio_set_max_poll_time (nseconds);
838 1291
839void 1292void
840min_parallel (int nthreads) 1293min_parallel (unsigned int nthreads)
841 PROTOTYPE: $ 1294 PROTOTYPE: $
842 CODE: 1295 CODE:
843 eio_set_min_parallel (nthreads); 1296 eio_set_min_parallel (nthreads);
844 1297
845void 1298void
846max_parallel (int nthreads) 1299max_parallel (unsigned int nthreads)
847 PROTOTYPE: $ 1300 PROTOTYPE: $
848 CODE: 1301 CODE:
849 eio_set_max_parallel (nthreads); 1302 eio_set_max_parallel (nthreads);
850 1303
851void 1304void
852max_idle (int nthreads) 1305max_idle (unsigned int nthreads)
853 PROTOTYPE: $ 1306 PROTOTYPE: $
854 CODE: 1307 CODE:
855 eio_set_max_idle (nthreads); 1308 eio_set_max_idle (nthreads);
856 1309
857void 1310void
1311idle_timeout (unsigned int seconds)
1312 PROTOTYPE: $
1313 CODE:
1314 eio_set_idle_timeout (seconds);
1315
1316void
858max_outstanding (int maxreqs) 1317max_outstanding (unsigned int maxreqs)
859 PROTOTYPE: $ 1318 PROTOTYPE: $
860 CODE: 1319 CODE:
861 max_outstanding = maxreqs; 1320 max_outstanding = maxreqs;
862 1321
863void 1322void
864aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1323aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
865 PPCODE: 1324 PPCODE:
866{ 1325{
867 dREQ; 1326 dREQ;
868 1327
1328 req->type = EIO_WD_OPEN;
1329 req_set_path1 (req, pathname);
1330
1331 REQ_SEND;
1332}
1333
1334void
1335aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1336 PPCODE:
1337{
1338 dREQ;
1339
869 req->type = EIO_OPEN; 1340 req->type = EIO_OPEN;
870 req->sv1 = newSVsv (pathname); 1341 req_set_path1 (req, pathname);
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 req->int1 = flags; 1342 req->int1 = flags;
873 req->int2 = mode; 1343 req->int2 = mode;
874 1344
875 REQ_SEND; 1345 REQ_SEND;
876} 1346}
877 1347
878void 1348void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1349aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
880 ALIAS: 1350 ALIAS:
881 aio_fsync = EIO_FSYNC 1351 aio_fsync = EIO_FSYNC
882 aio_fdatasync = EIO_FDATASYNC 1352 aio_fdatasync = EIO_FDATASYNC
1353 aio_syncfs = EIO_SYNCFS
883 PPCODE: 1354 PPCODE:
884{ 1355{
885 int fd = s_fileno_croak (fh, 0); 1356 int fd = s_fileno_croak (fh, 0);
886 dREQ; 1357 dREQ;
887 1358
888 req->type = ix; 1359 req->type = ix;
889 req->sv1 = newSVsv (fh); 1360 req->sv1 = newSVsv (fh);
890 req->int1 = fd; 1361 req->int1 = fd;
891 1362
892 REQ_SEND (req); 1363 REQ_SEND;
893} 1364}
894 1365
895void 1366void
896aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1367aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
897 PPCODE: 1368 PPCODE:
898{ 1369{
899 int fd = s_fileno_croak (fh, 0); 1370 int fd = s_fileno_croak (fh, 0);
900 dREQ; 1371 dREQ;
901 1372
902 req->type = EIO_SYNC_FILE_RANGE; 1373 req->type = EIO_SYNC_FILE_RANGE;
903 req->sv1 = newSVsv (fh); 1374 req->sv1 = newSVsv (fh);
904 req->int1 = fd; 1375 req->int1 = fd;
905 req->offs = offset; 1376 req->offs = offset;
906 req->size = nbytes; 1377 req->size = nbytes;
907 req->int2 = flags; 1378 req->int2 = flags;
908 1379
909 REQ_SEND (req); 1380 REQ_SEND;
910} 1381}
911 1382
912void 1383void
913aio_close (SV *fh, SV *callback=&PL_sv_undef) 1384aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
914 PPCODE: 1385 PPCODE:
915{ 1386{
916 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
917 int fd = s_fileno_croak (fh, 0); 1387 int fd = s_fileno_croak (fh, 0);
918 dREQ; 1388 dREQ;
919 1389
920 if (close_pipe < 0) 1390 req->type = EIO_FALLOCATE;
1391 req->sv1 = newSVsv (fh);
1392 req->int1 = fd;
1393 req->int2 = mode;
1394 req->offs = offset;
1395 req->size = len;
1396
1397 REQ_SEND;
1398}
1399
1400void
1401aio_close (SV *fh, SV *callback = &PL_sv_undef)
1402 PPCODE:
1403{
1404 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1405 int fd = s_fileno_croak (fh, 0);
1406 dREQ;
1407
1408 if (expect_false (close_fd < 0))
921 { 1409 {
922 int pipefd [2]; 1410 int pipefd [2];
923 1411
1412 if (
1413#ifdef _WIN32
1414 _pipe (pipefd, 1, _O_BINARY) < 0
1415#else
924 if (pipe (pipefd) < 0 1416 pipe (pipefd) < 0
925 || close (pipefd [1]) < 0
926 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1417 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1418#endif
1419 || close (pipefd [1]) < 0
1420 )
927 abort (); /*D*/ 1421 abort (); /*D*/
928 1422
929 close_pipe = pipefd [0]; 1423 close_fd = pipefd [0];
930 } 1424 }
931 1425
932 req->type = EIO_DUP2; 1426 req->type = EIO_DUP2;
933 req->int1 = close_pipe; 1427 req->int1 = close_fd;
934 req->sv2 = newSVsv (fh); 1428 req->sv2 = newSVsv (fh);
935 req->int2 = fd; 1429 req->int2 = fd;
936 1430
937 REQ_SEND (req); 1431 REQ_SEND;
938} 1432}
939 1433
940void 1434void
1435aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1436 PPCODE:
1437{
1438 int fd = s_fileno_croak (fh, 0);
1439 dREQ;
1440
1441 req->type = EIO_SEEK;
1442 req->sv1 = newSVsv (fh);
1443 req->int1 = fd;
1444 req->offs = SvVAL64 (offset);
1445 req->int2 = whence;
1446
1447 REQ_SEND;
1448}
1449
1450void
941aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1451aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
942 ALIAS: 1452 ALIAS:
943 aio_read = EIO_READ 1453 aio_read = EIO_READ
944 aio_write = EIO_WRITE 1454 aio_write = EIO_WRITE
945 PPCODE: 1455 PPCODE:
946{ 1456{
… …
962 len = svlen - dataoffset; 1472 len = svlen - dataoffset;
963 } 1473 }
964 else 1474 else
965 { 1475 {
966 /* read: check type and grow scalar as necessary */ 1476 /* read: check type and grow scalar as necessary */
967 SvUPGRADE (data, SVt_PV); 1477 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
968 svptr = SvGROW (data, len + dataoffset + 1); 1478 svptr = sv_grow (data, len + dataoffset + 1);
1479 else if (SvCUR (data) < len + dataoffset)
1480 croak ("length + dataoffset outside of scalar, and cannot grow");
969 } 1481 }
970 1482
971 { 1483 {
972 dREQ; 1484 dREQ;
973 1485
… …
989 REQ_SEND; 1501 REQ_SEND;
990 } 1502 }
991} 1503}
992 1504
993void 1505void
994aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1506aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1507 ALIAS:
1508 aio_ioctl = EIO_IOCTL
1509 aio_fcntl = EIO_FCNTL
995 PPCODE: 1510 PPCODE:
996{ 1511{
997 SV *data; 1512 int fd = s_fileno_croak (fh, 0);
1513 char *svptr;
1514
1515 if (SvPOK (arg) || !SvNIOK (arg))
1516 {
1517 STRLEN svlen;
1518 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1519#ifdef IOCPARM_LEN
1520 STRLEN need = IOCPARM_LEN (request);
1521#else
1522 STRLEN need = 256;
1523#endif
1524
1525 if (svlen < need)
1526 svptr = SvGROW (arg, need);
1527 }
1528 else
1529 svptr = (char *)SvIV (arg);
1530
1531 {
1532 dREQ;
1533
1534 req->type = ix;
1535 req->sv1 = newSVsv (fh);
1536 req->int1 = fd;
1537 req->int2 = (long)request;
1538 req->sv2 = SvREFCNT_inc (arg);
1539 req->ptr2 = svptr;
1540
1541 REQ_SEND;
1542 }
1543}
1544
1545void
1546aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1547 ALIAS:
1548 aio_readlink = EIO_READLINK
1549 aio_realpath = EIO_REALPATH
1550 PPCODE:
1551{
998 dREQ; 1552 dREQ;
999 1553
1000 req->type = EIO_READLINK; 1554 req->type = ix;
1001 req->sv1 = newSVsv (path); 1555 req_set_path1 (req, pathname);
1002 req->ptr1 = SvPVbyte_nolen (req->sv1);
1003 1556
1004 REQ_SEND; 1557 REQ_SEND;
1005} 1558}
1006 1559
1007void 1560void
1008aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1561aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1009 PPCODE: 1562 PPCODE:
1010{ 1563{
1011 int ifd = s_fileno_croak (in_fh , 0); 1564 int ifd = s_fileno_croak (in_fh , 0);
1012 int ofd = s_fileno_croak (out_fh, 1); 1565 int ofd = s_fileno_croak (out_fh, 1);
1013 dREQ; 1566 dREQ;
1014 1567
1015 req->type = EIO_SENDFILE; 1568 req->type = EIO_SENDFILE;
1016 req->sv1 = newSVsv (out_fh); 1569 req->sv1 = newSVsv (out_fh);
1017 req->int1 = ofd; 1570 req->int1 = ofd;
… …
1022 1575
1023 REQ_SEND; 1576 REQ_SEND;
1024} 1577}
1025 1578
1026void 1579void
1027aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1580aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1028 PPCODE: 1581 PPCODE:
1029{ 1582{
1030 int fd = s_fileno_croak (fh, 0); 1583 int fd = s_fileno_croak (fh, 0);
1031 dREQ; 1584 dREQ;
1032 1585
1033 req->type = EIO_READAHEAD; 1586 req->type = EIO_READAHEAD;
1034 req->sv1 = newSVsv (fh); 1587 req->sv1 = newSVsv (fh);
1035 req->int1 = fd; 1588 req->int1 = fd;
… …
1038 1591
1039 REQ_SEND; 1592 REQ_SEND;
1040} 1593}
1041 1594
1042void 1595void
1043aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1596aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1044 ALIAS: 1597 ALIAS:
1045 aio_stat = EIO_STAT 1598 aio_stat = EIO_STAT
1046 aio_lstat = EIO_LSTAT 1599 aio_lstat = EIO_LSTAT
1047 aio_statvfs = EIO_STATVFS 1600 aio_statvfs = EIO_STATVFS
1048 PPCODE: 1601 PPCODE:
1049{ 1602{
1050 dREQ; 1603 dREQ;
1051 1604
1052 req->sv1 = newSVsv (fh_or_path); 1605 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1053
1054 if (SvPOK (req->sv1))
1055 {
1056 req->type = ix;
1057 req->ptr1 = SvPVbyte_nolen (req->sv1);
1058 }
1059 else
1060 {
1061 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1062 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1063 }
1064 1606
1065 REQ_SEND; 1607 REQ_SEND;
1066} 1608}
1067 1609
1610UV
1611major (UV dev)
1612 ALIAS:
1613 minor = 1
1614 CODE:
1615 RETVAL = ix ? minor (dev) : major (dev);
1616 OUTPUT:
1617 RETVAL
1618
1619UV
1620makedev (UV maj, UV min)
1621 CODE:
1622 RETVAL = makedev (maj, min);
1623 OUTPUT:
1624 RETVAL
1625
1068void 1626void
1069aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1627aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1070 PPCODE: 1628 PPCODE:
1071{ 1629{
1072 dREQ; 1630 dREQ;
1073 1631
1074 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1632 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1075 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1633 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1076 req->sv1 = newSVsv (fh_or_path); 1634 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1077
1078 if (SvPOK (req->sv1))
1079 {
1080 req->type = EIO_UTIME;
1081 req->ptr1 = SvPVbyte_nolen (req->sv1);
1082 }
1083 else
1084 {
1085 req->type = EIO_FUTIME;
1086 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1087 }
1088 1635
1089 REQ_SEND; 1636 REQ_SEND;
1090} 1637}
1091 1638
1092void 1639void
1093aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1640aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1094 PPCODE: 1641 PPCODE:
1095{ 1642{
1096 dREQ; 1643 dREQ;
1097 1644
1098 req->sv1 = newSVsv (fh_or_path);
1099 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1645 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1100 1646 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1101 if (SvPOK (req->sv1))
1102 {
1103 req->type = EIO_TRUNCATE;
1104 req->ptr1 = SvPVbyte_nolen (req->sv1);
1105 }
1106 else
1107 {
1108 req->type = EIO_FTRUNCATE;
1109 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1110 }
1111 1647
1112 REQ_SEND; 1648 REQ_SEND;
1113} 1649}
1114 1650
1115void 1651void
1116aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1652aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1117 ALIAS:
1118 aio_chmod = EIO_CHMOD
1119 aio_mkdir = EIO_MKDIR
1120 PPCODE: 1653 PPCODE:
1121{ 1654{
1122 dREQ; 1655 dREQ;
1123 1656
1124 req->int2 = mode; 1657 req->int2 = mode;
1125 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1126
1127 if (SvPOK (req->sv1))
1128 {
1129 req->type = ix;
1130 req->ptr1 = SvPVbyte_nolen (req->sv1);
1131 }
1132 else
1133 {
1134 req->type = EIO_FCHMOD;
1135 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1136 }
1137 1659
1138 REQ_SEND; 1660 REQ_SEND;
1139} 1661}
1140 1662
1141void 1663void
1142aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1664aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1143 PPCODE: 1665 PPCODE:
1144{ 1666{
1145 dREQ; 1667 dREQ;
1146 1668
1147 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1669 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1148 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1670 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1149 req->sv1 = newSVsv (fh_or_path); 1671 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1150
1151 if (SvPOK (req->sv1))
1152 {
1153 req->type = EIO_CHOWN;
1154 req->ptr1 = SvPVbyte_nolen (req->sv1);
1155 }
1156 else
1157 {
1158 req->type = EIO_FCHOWN;
1159 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1160 }
1161 1672
1162 REQ_SEND; 1673 REQ_SEND;
1163} 1674}
1164 1675
1165void 1676void
1166aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1677aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1167 PPCODE: 1678 PPCODE:
1168{ 1679{
1169 dREQ; 1680 dREQ;
1170 1681
1171 req->type = EIO_READDIR; 1682 req->type = EIO_READDIR;
1172 req->sv1 = newSVsv (pathname);
1173 req->ptr1 = SvPVbyte_nolen (req->sv1);
1174 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1683 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1175 1684
1176 if (flags & EIO_READDIR_DENTS) 1685 if (flags & EIO_READDIR_DENTS)
1177 req->int1 |= EIO_READDIR_CUSTOM2; 1686 req->int1 |= EIO_READDIR_CUSTOM2;
1178 1687
1688 req_set_path1 (req, pathname);
1689
1179 REQ_SEND; 1690 REQ_SEND;
1180} 1691}
1181 1692
1182void 1693void
1694aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1695 PPCODE:
1696{
1697 dREQ;
1698
1699 req->type = EIO_MKDIR;
1700 req->int2 = mode;
1701 req_set_path1 (req, pathname);
1702
1703 REQ_SEND;
1704}
1705
1706void
1183aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1707aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1184 ALIAS: 1708 ALIAS:
1185 aio_unlink = EIO_UNLINK 1709 aio_unlink = EIO_UNLINK
1186 aio_rmdir = EIO_RMDIR 1710 aio_rmdir = EIO_RMDIR
1187 aio_readdir = EIO_READDIR 1711 aio_readdir = EIO_READDIR
1188 PPCODE: 1712 PPCODE:
1189{ 1713{
1190 dREQ; 1714 dREQ;
1191 1715
1192 req->type = ix; 1716 req->type = ix;
1193 req->sv1 = newSVsv (pathname); 1717 req_set_path1 (req, pathname);
1194 req->ptr1 = SvPVbyte_nolen (req->sv1);
1195 1718
1196 REQ_SEND; 1719 REQ_SEND;
1197} 1720}
1198 1721
1199void 1722void
1200aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1723aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1201 ALIAS: 1724 ALIAS:
1202 aio_link = EIO_LINK 1725 aio_link = EIO_LINK
1203 aio_symlink = EIO_SYMLINK 1726 aio_symlink = EIO_SYMLINK
1204 aio_rename = EIO_RENAME 1727 aio_rename = EIO_RENAME
1205 PPCODE: 1728 PPCODE:
1206{ 1729{
1730 eio_wd wd2 = 0;
1207 dREQ; 1731 dREQ;
1208 1732
1209 req->type = ix; 1733 req->type = ix;
1210 req->sv1 = newSVsv (oldpath); 1734 req_set_path1 (req, oldpath);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1); 1735 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1212 req->sv2 = newSVsv (newpath); 1736 req->int3 = (long)wd2;
1213 req->ptr2 = SvPVbyte_nolen (req->sv2);
1214 1737
1215 REQ_SEND; 1738 REQ_SEND;
1216} 1739}
1217 1740
1218void 1741void
1742aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1743 PPCODE:
1744{
1745 eio_wd wd2 = 0;
1746 dREQ;
1747
1748 req->type = EIO_RENAME;
1749 req_set_path1 (req, oldpath);
1750 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1751 req->int2 = flags;
1752 req->int3 = (long)wd2;
1753
1754 REQ_SEND;
1755}
1756
1757void
1219aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1758aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1220 PPCODE: 1759 PPCODE:
1221{ 1760{
1222 dREQ; 1761 dREQ;
1223 1762
1224 req->type = EIO_MKNOD; 1763 req->type = EIO_MKNOD;
1225 req->sv1 = newSVsv (pathname);
1226 req->ptr1 = SvPVbyte_nolen (req->sv1);
1227 req->int2 = (mode_t)mode; 1764 req->int2 = (mode_t)mode;
1228 req->offs = dev; 1765 req->offs = dev;
1766 req_set_path1 (req, pathname);
1229 1767
1230 REQ_SEND; 1768 REQ_SEND;
1231} 1769}
1232 1770
1233void 1771void
1234aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1772aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1235 ALIAS: 1773 ALIAS:
1236 aio_mtouch = EIO_MTOUCH 1774 aio_mtouch = EIO_MTOUCH
1237 aio_msync = EIO_MSYNC 1775 aio_msync = EIO_MSYNC
1238 PPCODE: 1776 PPCODE:
1239{ 1777{
1240 STRLEN svlen; 1778 STRLEN svlen;
1241 char *svptr = SvPVbyte (data, svlen); 1779 char *svptr = SvPVbyte (data, svlen);
1242 UV len = SvUV (length); 1780 UV len = SvUV (length);
1781
1782 if (flags < 0)
1783 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1243 1784
1244 if (offset < 0) 1785 if (offset < 0)
1245 offset += svlen; 1786 offset += svlen;
1246 1787
1247 if (offset < 0 || offset > svlen) 1788 if (offset < 0 || offset > svlen)
… …
1262 REQ_SEND; 1803 REQ_SEND;
1263 } 1804 }
1264} 1805}
1265 1806
1266void 1807void
1267aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1808aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1268 PPCODE: 1809 PPCODE:
1269{ 1810{
1270 STRLEN svlen; 1811 STRLEN svlen;
1271 char *svptr = SvPVbyte (data, svlen); 1812 char *svptr = SvPVbyte (data, svlen);
1272 UV len = SvUV (length); 1813 UV len = SvUV (length);
… …
1291 REQ_SEND; 1832 REQ_SEND;
1292 } 1833 }
1293} 1834}
1294 1835
1295void 1836void
1296aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1837aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1297 PPCODE: 1838 PPCODE:
1298{ 1839{
1299 dREQ; 1840 dREQ;
1300 1841
1301 req->type = EIO_MLOCKALL; 1842 req->type = EIO_MLOCKALL;
… …
1303 1844
1304 REQ_SEND; 1845 REQ_SEND;
1305} 1846}
1306 1847
1307void 1848void
1849aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1850 PPCODE:
1851{
1852 int fd = s_fileno_croak (fh, 0);
1853 dREQ;
1854
1855 req->type = EIO_CUSTOM;
1856 req->sv1 = newSVsv (fh);
1857 req->int1 = fd;
1858
1859 req->feed = fiemap;
1860#if HAVE_FIEMAP
1861 /* keep our fingers crossed that the next two types are 64 bit */
1862 req->offs = start;
1863 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1864 req->int2 = flags;
1865 req->int3 = SvOK (count) ? SvIV (count) : -1;
1866#endif
1867
1868 REQ_SEND;
1869}
1870
1871void
1872aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1873 PPCODE:
1874{
1875 char *svptr = 0;
1876
1877 sv_clear_foreign (data);
1878
1879 if (length) /* known length, directly read into scalar */
1880 {
1881 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1882 svptr = sv_grow (data, length + 1);
1883 else if (SvCUR (data) < length)
1884 croak ("length outside of scalar, and cannot grow");
1885 else
1886 svptr = SvPVbyte_nolen (data);
1887 }
1888
1889 {
1890 dREQ;
1891
1892 req->type = EIO_SLURP;
1893 req_set_path1 (req, pathname);
1894 req->offs = offset;
1895 req->size = length;
1896 req->sv2 = SvREFCNT_inc (data);
1897 req->ptr2 = svptr;
1898
1899 if (!SvREADONLY (data))
1900 {
1901 SvREADONLY_on (data);
1902 req->flags |= FLAG_SV2_RO_OFF;
1903 }
1904
1905 REQ_SEND;
1906 }
1907}
1908
1909void
1308aio_busy (double delay, SV *callback=&PL_sv_undef) 1910aio_busy (double delay, SV *callback = &PL_sv_undef)
1309 PPCODE: 1911 PPCODE:
1310{ 1912{
1311 dREQ; 1913 dREQ;
1312 1914
1313 req->type = EIO_BUSY; 1915 req->type = EIO_BUSY;
… …
1315 1917
1316 REQ_SEND; 1918 REQ_SEND;
1317} 1919}
1318 1920
1319void 1921void
1320aio_group (SV *callback=&PL_sv_undef) 1922aio_group (SV *callback = &PL_sv_undef)
1321 PPCODE: 1923 PPCODE:
1322{ 1924{
1323 dREQ; 1925 dREQ;
1324 1926
1325 req->type = EIO_GROUP; 1927 req->type = EIO_GROUP;
1326 1928
1929 PUTBACK;
1327 req_submit (req); 1930 req_submit (req);
1931 SPAGAIN;
1932
1328 XPUSHs (req_sv (req, aio_grp_stash)); 1933 XPUSHs (req_sv (req, aio_grp_stash));
1329} 1934}
1330 1935
1331void 1936void
1332aio_nop (SV *callback=&PL_sv_undef) 1937aio_nop (SV *callback = &PL_sv_undef)
1333 ALIAS: 1938 ALIAS:
1334 aio_nop = EIO_NOP 1939 aio_nop = EIO_NOP
1335 aio_sync = EIO_SYNC 1940 aio_sync = EIO_SYNC
1336 PPCODE: 1941 PPCODE:
1337{ 1942{
… …
1341 1946
1342 REQ_SEND; 1947 REQ_SEND;
1343} 1948}
1344 1949
1345int 1950int
1346aioreq_pri (int pri = 0) 1951aioreq_pri (int pri = NO_INIT)
1347 CODE: 1952 CODE:
1348 RETVAL = next_pri; 1953 RETVAL = next_pri;
1349 if (items > 0) 1954 if (items > 0)
1350 { 1955 {
1351 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1956 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1433 CODE: 2038 CODE:
1434 RETVAL = posix_fadvise (fh, offset, length, advice); 2039 RETVAL = posix_fadvise (fh, offset, length, advice);
1435 OUTPUT: 2040 OUTPUT:
1436 RETVAL 2041 RETVAL
1437 2042
1438ssize_t 2043IV
1439sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2044sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1440 CODE: 2045 CODE:
1441 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2046 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1442 OUTPUT: 2047 OUTPUT:
1443 RETVAL 2048 RETVAL
1444 2049
1445void 2050void
1446mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2051mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1447 PPCODE: 2052 PPCODE:
1448 sv_unmagic (scalar, MMAP_MAGIC); 2053 sv_clear_foreign (scalar);
1449{ 2054{
1450 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2055 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1451 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2056 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1452 if (addr == (void *)-1) 2057 if (addr == (void *)-1)
1453 XSRETURN_NO; 2058 XSRETURN_NO;
1454 2059
1455 sv_force_normal (scalar); 2060 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1456
1457 /* we store the length in mg_obj, as namlen is I32 :/ */
1458 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1459 ->mg_obj = (SV *)length;
1460
1461 SvUPGRADE (scalar, SVt_PV); /* nop... */
1462 2061
1463 if (!(prot & PROT_WRITE)) 2062 if (!(prot & PROT_WRITE))
1464 SvREADONLY_on (scalar); 2063 SvREADONLY_on (scalar);
1465 2064
1466 if (SvLEN (scalar))
1467 Safefree (SvPVX (scalar));
1468
1469 SvPVX (scalar) = (char *)addr;
1470 SvCUR_set (scalar, length);
1471 SvLEN_set (scalar, 0);
1472 SvPOK_only (scalar);
1473
1474 XSRETURN_YES; 2065 XSRETURN_YES;
1475} 2066}
1476 2067
1477void 2068void
1478munmap (SV *scalar) 2069munmap (SV *scalar)
1479 CODE: 2070 CODE:
1480 sv_unmagic (scalar, MMAP_MAGIC); 2071 sv_clear_foreign (scalar);
2072
2073SV *
2074mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
2075 CODE:
2076{
2077 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2078 void *new;
2079
2080 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2081 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2082
2083 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2084
2085 RETVAL = &PL_sv_no;
2086
2087 if (new != (void *)-1)
2088 {
2089 RETVAL = new == (void *)mg->mg_ptr
2090 ? newSVpvn ("0 but true", 10)
2091 : &PL_sv_yes;
2092
2093 mg->mg_ptr = (char *)new;
2094 mg->mg_obj = (SV *)new_length;
2095
2096 SvPVX (scalar) = mg->mg_ptr;
2097 SvCUR_set (scalar, new_length);
2098 }
2099}
2100 OUTPUT:
2101 RETVAL
1481 2102
1482int 2103int
1483madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2104madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1484 ALIAS: 2105 ALIAS:
1485 mprotect = 1 2106 mprotect = 1
1486 CODE: 2107 CODE:
1487{ 2108{
1488 STRLEN svlen; 2109 STRLEN svlen;
1489 void *addr = SvPVbyte (scalar, svlen); 2110 void *addr = SvPVbyte (scalar, svlen);
1490 size_t len = SvUV (length); 2111 STRLEN len = SvUV (length);
1491 2112
1492 if (offset < 0) 2113 if (offset < 0)
1493 offset += svlen; 2114 offset += svlen;
1494 2115
1495 if (offset < 0 || offset > svlen) 2116 if (offset < 0 || offset > svlen)
… …
1509} 2130}
1510 OUTPUT: 2131 OUTPUT:
1511 RETVAL 2132 RETVAL
1512 2133
1513int 2134int
1514munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2135munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1515 CODE: 2136 CODE:
1516{ 2137{
1517 STRLEN svlen; 2138 STRLEN svlen;
1518 void *addr = SvPVbyte (scalar, svlen); 2139 void *addr = SvPVbyte (scalar, svlen);
1519 size_t len = SvUV (length); 2140 size_t len = SvUV (length);
1520 2141
1521 if (offset < 0) 2142 if (offset < 0)
1522 offset += svlen; 2143 offset += svlen;
1523 2144
… …
1530 addr = (void *)(((intptr_t)addr) + offset); 2151 addr = (void *)(((intptr_t)addr) + offset);
1531 eio_page_align (&addr, &len); 2152 eio_page_align (&addr, &len);
1532#if _POSIX_MEMLOCK_RANGE 2153#if _POSIX_MEMLOCK_RANGE
1533 RETVAL = munlock (addr, len); 2154 RETVAL = munlock (addr, len);
1534#else 2155#else
1535 RETVAL = ((errno = ENOSYS), -1); 2156 RETVAL = EIO_ENOSYS ();
1536#endif 2157#endif
1537} 2158}
1538 OUTPUT: 2159 OUTPUT:
1539 RETVAL 2160 RETVAL
1540 2161
… …
1542munlockall () 2163munlockall ()
1543 CODE: 2164 CODE:
1544#if _POSIX_MEMLOCK 2165#if _POSIX_MEMLOCK
1545 munlockall (); 2166 munlockall ();
1546#else 2167#else
1547 RETVAL = -1; 2168 RETVAL = EIO_ENOSYS ();
1548 errno = ENOSYS;
1549#endif 2169#endif
1550 OUTPUT: 2170 OUTPUT:
1551 RETVAL 2171 RETVAL
2172
2173int
2174splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2175 CODE:
2176{
2177#if HAVE_LINUX_SPLICE
2178 loff_t off_in_, off_out_;
2179 RETVAL = splice (
2180 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2181 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2182 length, flags
2183 );
2184#else
2185 RETVAL = EIO_ENOSYS ();
2186#endif
2187}
2188 OUTPUT:
2189 RETVAL
2190
2191int
2192tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2193 CODE:
2194#if HAVE_LINUX_SPLICE
2195 RETVAL = tee (rfh, wfh, length, flags);
2196#else
2197 RETVAL = EIO_ENOSYS ();
2198#endif
2199 OUTPUT:
2200 RETVAL
2201
2202int
2203pipesize (aio_rfd rfh, int new_size = -1)
2204 PROTOTYPE: $;$
2205 CODE:
2206#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2207 if (new_size >= 0)
2208 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2209 else
2210 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2211#else
2212 errno = ENOSYS;
2213 RETVAL = -1;
2214#endif
2215 OUTPUT:
2216 RETVAL
2217
2218void
2219pipe2 (int flags = 0)
2220 PROTOTYPE: ;$
2221 PPCODE:
2222{
2223 int fd[2];
2224 int res;
2225
2226 if (flags)
2227#if HAVE_PIPE2
2228 res = pipe2 (fd, flags);
2229#else
2230 res = (errno = ENOSYS, -1);
2231#endif
2232 else
2233 res = pipe (fd);
2234
2235 if (!res)
2236 {
2237 EXTEND (SP, 2);
2238 PUSHs (newmortalFH (fd[0], O_RDONLY));
2239 PUSHs (newmortalFH (fd[1], O_WRONLY));
2240 }
2241}
2242
2243void
2244eventfd (unsigned int initval = 0, int flags = 0)
2245 PPCODE:
2246{
2247 int fd;
2248#if HAVE_EVENTFD
2249 fd = eventfd (initval, flags);
2250#else
2251 fd = (errno = ENOSYS, -1);
2252#endif
2253
2254 XPUSHs (newmortalFH (fd, O_RDWR));
2255}
2256
2257void
2258timerfd_create (int clockid, int flags = 0)
2259 PPCODE:
2260{
2261 int fd;
2262#if HAVE_TIMERFD
2263 fd = timerfd_create (clockid, flags);
2264#else
2265 fd = (errno = ENOSYS, -1);
2266#endif
2267
2268 XPUSHs (newmortalFH (fd, O_RDWR));
2269}
2270
2271void
2272timerfd_settime (SV *fh, int flags, NV interval, NV value)
2273 PPCODE:
2274{
2275 int fd = s_fileno_croak (fh, 0);
2276#if HAVE_TIMERFD
2277 int res;
2278 struct itimerspec its, ots;
2279
2280 ts_set (&its.it_interval, interval);
2281 ts_set (&its.it_value , value);
2282 res = timerfd_settime (fd, flags, &its, &ots);
2283
2284 if (!res)
2285 {
2286 EXTEND (SP, 2);
2287 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2288 PUSHs (newSVnv (ts_get (&ots.it_value)));
2289 }
2290#else
2291 errno = ENOSYS;
2292#endif
2293}
2294
2295void
2296timerfd_gettime (SV *fh)
2297 PPCODE:
2298{
2299 int fd = s_fileno_croak (fh, 0);
2300#if HAVE_TIMERFD
2301 int res;
2302 struct itimerspec ots;
2303 res = timerfd_gettime (fd, &ots);
2304
2305 if (!res)
2306 {
2307 EXTEND (SP, 2);
2308 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2309 PUSHs (newSVnv (ts_get (&ots.it_value)));
2310 }
2311#else
2312 errno = ENOSYS;
2313#endif
2314}
2315
2316UV
2317get_fdlimit ()
2318 CODE:
2319#if HAVE_RLIMITS
2320 struct rlimit rl;
2321 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2322 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2323#endif
2324 XSRETURN_UNDEF;
2325 OUTPUT:
2326 RETVAL
2327
2328void
2329min_fdlimit (UV limit = 0x7fffffffU)
2330 CODE:
2331{
2332#if HAVE_RLIMITS
2333 struct rlimit rl;
2334 rlim_t orig_rlim_max;
2335 UV bit;
2336
2337 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2338 goto fail;
2339
2340 if (rl.rlim_cur == RLIM_INFINITY)
2341 XSRETURN_YES;
2342
2343 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2344
2345 if (rl.rlim_cur < limit)
2346 {
2347 rl.rlim_cur = limit;
2348
2349 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2350 rl.rlim_max = rl.rlim_cur;
2351 }
2352
2353 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2354 XSRETURN_YES;
2355
2356 if (errno == EPERM)
2357 {
2358 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2359 /* our limit overflows a system-wide limit */
2360 /* try an adaptive algorithm, but do not lower the hardlimit */
2361 rl.rlim_max = 0;
2362 for (bit = 0x40000000U; bit; bit >>= 1)
2363 {
2364 rl.rlim_max |= bit;
2365 rl.rlim_cur = rl.rlim_max;
2366
2367 /* nevr decrease the hard limit */
2368 if (rl.rlim_max < orig_rlim_max)
2369 break;
2370
2371 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2372 rl.rlim_max &= ~bit; /* too high, remove bit again */
2373 }
2374
2375 /* now, raise the soft limit to the max permitted */
2376 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2377 {
2378 rl.rlim_cur = rl.rlim_max;
2379 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2380 errno = EPERM;
2381 }
2382 }
2383#endif
2384 fail:
2385 XSRETURN_UNDEF;
2386}
1552 2387
1553void _on_next_submit (SV *cb) 2388void _on_next_submit (SV *cb)
1554 CODE: 2389 CODE:
1555 SvREFCNT_dec (on_next_submit); 2390 SvREFCNT_dec (on_next_submit);
1556 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2391 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1557 2392
1558PROTOTYPES: DISABLE 2393PROTOTYPES: DISABLE
1559 2394
2395MODULE = IO::AIO PACKAGE = IO::AIO::WD
2396
2397BOOT:
2398{
2399 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2400 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2401}
2402
2403void
2404DESTROY (SV *self)
2405 CODE:
2406{
2407 aio_wd wd = SvAIO_WD (self);
2408#if HAVE_AT
2409 {
2410 SV *callback = &PL_sv_undef;
2411 dREQ; /* clobbers next_pri :/ */
2412 next_pri = req->pri; /* restore next_pri */
2413 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2414 req->type = EIO_WD_CLOSE;
2415 req->wd = wd;
2416 REQ_SEND;
2417 }
2418#else
2419 eio_wd_close_sync (wd);
2420#endif
2421}
2422
1560MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2423MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1561 2424
1562void 2425void
1563cancel (aio_req_ornot req) 2426cancel (aio_req_ornot req)
1564 CODE: 2427 CODE:
1565 eio_cancel (req); 2428 eio_cancel (req);
1566 2429
1567void 2430void
1568cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2431cb (aio_req_ornot req, SV *callback = NO_INIT)
1569 PPCODE: 2432 PPCODE:
1570{ 2433{
1571 if (GIMME_V != G_VOID) 2434 if (GIMME_V != G_VOID)
1572 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2435 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1573 2436
1574 if (items > 1) 2437 if (items > 1)
1575 { 2438 {
1576 SV *cb_cv =get_cb (callback); 2439 SV *cb_cv = get_cb (callback);
1577 2440
1578 SvREFCNT_dec (req->callback); 2441 SvREFCNT_dec (req->callback);
1579 req->callback = SvREFCNT_inc (cb_cv); 2442 req->callback = SvREFCNT_inc (cb_cv);
1580 } 2443 }
1581} 2444}
… …
1638limit (aio_req grp, int limit) 2501limit (aio_req grp, int limit)
1639 CODE: 2502 CODE:
1640 eio_grp_limit (grp, limit); 2503 eio_grp_limit (grp, limit);
1641 2504
1642void 2505void
1643feed (aio_req grp, SV *callback=&PL_sv_undef) 2506feed (aio_req grp, SV *callback = &PL_sv_undef)
1644 CODE: 2507 CODE:
1645{ 2508{
1646 SvREFCNT_dec (grp->sv2); 2509 SvREFCNT_dec (grp->sv2);
1647 grp->sv2 = newSVsv (callback); 2510 grp->sv2 = newSVsv (callback);
1648 grp->feed = aio_grp_feed; 2511 grp->feed = aio_grp_feed;

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