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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 2010 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_MAPPED_FILES 22#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 23# include <sys/mman.h>
24#endif
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
23#endif 38#endif
24 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/eio.h" 143#include "libeio/eio.h"
124 144
125#ifndef POSIX_FADV_NORMAL 145static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 146#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 147static void req_destroy (eio_req *grp);
128#endif 148#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 149
145#ifndef ST_NODEV 150#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 151
176#ifndef MCL_CURRENT 152#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 153# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 154#endif
179#ifndef MCL_FUTURE 155
180# define MCL_FUTURE 0 156#if !HAVE_POSIX_MADVISE
157# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 158#endif
182 159
183#ifndef MAP_ANONYMOUS 160#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 161# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 162# define MAP_ANONYMOUS MAP_ANON
186# else 163# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 165# endif
189#endif 166#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 167
206#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
207# define PAGESIZE sysconf (_SC_PAGESIZE) 183# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 184#endif
209 185
210static int req_invoke (eio_req *req); 186/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 187
212static void req_destroy (eio_req *grp); 188#if !_POSIX_MAPPED_FILES
213#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/*****************************************************************************/
214 380
215enum { 381enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 382 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 383};
218 384
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 385typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 386typedef eio_req *aio_req_ornot;
387typedef eio_wd aio_wd;
223 388
224static SV *on_next_submit; 389static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 390static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 391static int max_outstanding;
227 392
228static s_epipe respipe; 393static s_epipe respipe;
229 394
230static void req_destroy (aio_req req); 395static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 396static void req_cancel (aio_req req);
232 397
233static void want_poll (void) 398static void
399want_poll (void)
234{ 400{
235 /* write a dummy byte to the pipe so fh becomes ready */ 401 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 402 s_epipe_signal (&respipe);
237} 403}
238 404
239static void done_poll (void) 405static void
406done_poll (void)
240{ 407{
241 /* read any signals sent by the worker threads */ 408 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 409 s_epipe_drain (&respipe);
243} 410}
244 411
245/* must be called at most once */ 412/* must be called at most once */
413static SV *
246static SV *req_sv (aio_req req, HV *stash) 414req_sv (aio_req req, HV *stash)
247{ 415{
248 if (!req->self) 416 if (!req->self)
249 { 417 {
250 req->self = (SV *)newHV (); 418 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 419 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 420 }
253 421
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 422 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 423}
256 424
257static 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)
258{ 433{
259 MAGIC *mg; 434 MAGIC *mg;
260 435
261 if (!SvROK (sv) 436 if (!SvROK (sv)
437 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 438 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 439 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 440 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 441 croak ("object of class IO::AIO::REQ expected");
266 442
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 443 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 444
269 return mg ? (aio_req)mg->mg_ptr : 0; 445 return mg ? (aio_req)mg->mg_ptr : 0;
270} 446}
271 447
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
272static void aio_grp_feed (aio_req grp) 485aio_grp_feed (aio_req grp)
273{ 486{
274 if (grp->sv2 && SvOK (grp->sv2)) 487 if (grp->sv2 && SvOK (grp->sv2))
275 { 488 {
276 dSP; 489 dSP;
277 490
… …
285 FREETMPS; 498 FREETMPS;
286 LEAVE; 499 LEAVE;
287 } 500 }
288} 501}
289 502
503static void
290static void req_submit (eio_req *req) 504req_submit (eio_req *req)
291{ 505{
292 eio_submit (req); 506 eio_submit (req);
293 507
294 if (expect_false (on_next_submit)) 508 if (expect_false (on_next_submit))
295 { 509 {
… …
302 PUTBACK; 516 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 517 call_sv (cb, G_DISCARD | G_EVAL);
304 } 518 }
305} 519}
306 520
521static int
307static int req_invoke (eio_req *req) 522req_invoke (eio_req *req)
308{ 523{
309 if (req->flags & FLAG_SV2_RO_OFF) 524 if (req->flags & FLAG_SV2_RO_OFF)
310 SvREADONLY_off (req->sv2); 525 SvREADONLY_off (req->sv2);
311 526
312 if (!EIO_CANCELLED (req) && req->callback) 527 if (!EIO_CANCELLED (req) && req->callback)
… …
323 /* do not recreate the result IV from scratch each time */ 538 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache)) 539 if (expect_true (sv_result_cache))
325 { 540 {
326 sv_result = sv_result_cache; sv_result_cache = 0; 541 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result); 542 SvIV_set (sv_result, req->result);
543 SvIOK_only (sv_result);
328 } 544 }
329 else 545 else
330 { 546 {
331 sv_result = newSViv (req->result); 547 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result); 548 SvREADONLY_on (sv_result);
333 } 549 }
334 550
335 switch (req->type) 551 switch (req->type)
336 { 552 {
553 case EIO_WD_OPEN:
554 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
555 break;
556
337 case EIO_READDIR: 557 case EIO_READDIR:
338 { 558 {
339 SV *rv = &PL_sv_undef; 559 SV *rv = &PL_sv_undef;
340 560
341 if (req->result >= 0) 561 if (req->result >= 0)
… …
394 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))));
395 } 615 }
396 break; 616 break;
397 617
398 case EIO_OPEN: 618 case EIO_OPEN:
399 { 619 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
400 /* convert fd to fh */
401 SV *fh = &PL_sv_undef;
402
403 if (req->result >= 0)
404 {
405 GV *gv = (GV *)sv_newmortal ();
406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
407 char sym [64];
408 int symlen;
409
410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411 gv_init (gv, aio_stash, sym, symlen, 0);
412
413 symlen = snprintf (
414 sym,
415 sizeof (sym),
416 "%s&=%d",
417 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418 (int)req->result
419 );
420
421 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422 fh = (SV *)gv;
423 }
424
425 PUSHs (fh);
426 }
427 break; 620 break;
428 621
429 case EIO_STATVFS: 622 case EIO_STATVFS:
430 case EIO_FSTATVFS: 623 case EIO_FSTATVFS:
431 { 624 {
432 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
433 626
627#ifndef _WIN32
434 if (req->result >= 0) 628 if (req->result >= 0)
435 { 629 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 630 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 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));
438 637
439 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 638 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440 639
441 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);
442 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);
… …
444 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);
445 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);
446 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);
447 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);
448 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);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 648 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450 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);
451 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);
452 } 651 }
652#endif
453 653
454 PUSHs (rv); 654 PUSHs (rv);
455 } 655 }
456 656
457 break; 657 break;
… …
473 case EIO_NOP: 673 case EIO_NOP:
474 case EIO_BUSY: 674 case EIO_BUSY:
475 break; 675 break;
476 676
477 case EIO_READLINK: 677 case EIO_READLINK:
678 case EIO_REALPATH:
478 if (req->result > 0) 679 if (req->result > 0)
479 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 680 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480 break; 681 break;
481 682
482 case EIO_STAT: 683 case EIO_STAT:
483 case EIO_LSTAT: 684 case EIO_LSTAT:
484 case EIO_FSTAT: 685 case EIO_FSTAT:
485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 686 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
687
486 PL_laststatval = req->result; 688 if (!(PL_laststatval = req->result))
689 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 690 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
691
488 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)));
489 break; 697 break;
490 698
491 case EIO_READ: 699 case EIO_READ:
492 { 700 {
493 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));
… …
496 SvSETMAGIC (req->sv2); 704 SvSETMAGIC (req->sv2);
497 PUSHs (sv_result); 705 PUSHs (sv_result);
498 } 706 }
499 break; 707 break;
500 708
501 case EIO_DUP2: 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
773 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502 if (req->result > 0) 774 if (req->result > 0)
503 SvIV_set (sv_result, 0); 775 SvIV_set (sv_result, 0);
504 /* FALLTHROUGH */ 776 /* FALLTHROUGH */
505 777
506 default: 778 default:
… …
526 } 798 }
527 799
528 return !!SvTRUE (ERRSV); 800 return !!SvTRUE (ERRSV);
529} 801}
530 802
803static void
531static void req_destroy (aio_req req) 804req_destroy (aio_req req)
532{ 805{
533 if (req->self) 806 if (req->self)
534 { 807 {
535 sv_unmagic (req->self, PERL_MAGIC_ext); 808 sv_unmagic (req->self, PERL_MAGIC_ext);
536 SvREFCNT_dec (req->self); 809 SvREFCNT_dec (req->self);
537 } 810 }
538 811
539 SvREFCNT_dec (req->sv1); 812 SvREFCNT_dec (req->sv1);
540 SvREFCNT_dec (req->sv2); 813 SvREFCNT_dec (req->sv2);
814 SvREFCNT_dec (req->sv3);
815 SvREFCNT_dec (req->sv4);
541 SvREFCNT_dec (req->callback); 816 SvREFCNT_dec (req->callback);
542 817
543 Safefree (req); 818 free (req);
544} 819}
545 820
821static void
546static void req_cancel_subs (aio_req grp) 822req_cancel_subs (aio_req grp)
547{ 823{
548 aio_req sub;
549
550 if (grp->type != EIO_GROUP) 824 if (grp->type != EIO_GROUP)
551 return; 825 return;
552 826
553 SvREFCNT_dec (grp->sv2); 827 SvREFCNT_dec (grp->sv2);
554 grp->sv2 = 0; 828 grp->sv2 = 0;
555 829
556 eio_grp_cancel (grp); 830 eio_grp_cancel (grp);
557} 831}
558 832
559static void 833static void ecb_cold
560create_respipe (void) 834create_respipe (void)
561{ 835{
562 if (s_epipe_renew (&respipe)) 836 if (s_epipe_renew (&respipe))
563 croak ("IO::AIO: unable to initialize result pipe"); 837 croak ("IO::AIO: unable to initialize result pipe");
564} 838}
565 839
566static void poll_wait (void) 840static void
841poll_wait (void)
567{ 842{
568 while (eio_nreqs ()) 843 while (eio_nreqs ())
569 { 844 {
570 int size; 845 int size;
571 846
572 X_LOCK (reslock); 847 X_LOCK (EIO_POOL->reslock);
573 size = res_queue.size; 848 size = EIO_POOL->res_queue.size;
574 X_UNLOCK (reslock); 849 X_UNLOCK (EIO_POOL->reslock);
575 850
576 if (size) 851 if (size)
577 return; 852 return;
578 853
579 etp_maybe_start_thread (); 854 etp_maybe_start_thread (EIO_POOL);
580 855
581 s_epipe_wait (&respipe); 856 s_epipe_wait (&respipe);
582 } 857 }
583} 858}
584 859
585static int poll_cb (void) 860static int
861poll_cb (void)
586{ 862{
587 for (;;) 863 for (;;)
588 { 864 {
589 int res = eio_poll (); 865 int res = eio_poll ();
590 866
… …
596 872
597 poll_wait (); 873 poll_wait ();
598 } 874 }
599} 875}
600 876
601static void atfork_child (void) 877static void ecb_cold
878reinit (void)
602{ 879{
603 create_respipe (); 880 create_respipe ();
604}
605 881
606/*****************************************************************************/ 882 if (eio_init (want_poll, done_poll) < 0)
607 883 croak ("IO::AIO: unable to initialise eio library");
608#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif
612
613#define MMAP_MAGIC PERL_MAGIC_ext
614
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{
618 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno;
621
622 mg->mg_obj = 0; /* just in case */
623
624 SvREADONLY_off (sv);
625 SvCUR_set (sv, 0);
626 SvLEN_set (sv, 0);
627 SvPVX (sv) = 0;
628 SvOK_off (sv);
629
630 return 0;
631} 884}
632
633static MGVTBL mmap_vtbl = {
634 0, 0, 0, 0, mmap_free
635};
636 885
637/*****************************************************************************/ 886/*****************************************************************************/
638 887
639static SV * 888static SV *
640get_cb (SV *cb_sv) 889get_cb (SV *cb_sv)
641{ 890{
642 SvGETMAGIC (cb_sv); 891 SvGETMAGIC (cb_sv);
643 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 892 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644} 893}
645 894
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
646#define dREQ \ 915#define dREQ \
647 SV *cb_cv; \ 916 aio_req req = dreq (callback); \
648 aio_req req; \
649 int req_pri = next_pri; \
650 next_pri = EIO_PRI_DEFAULT; \
651 \
652 cb_cv = get_cb (callback); \
653 \
654 Newz (0, req, 1, eio_req); \
655 if (!req) \
656 croak ("out of memory during eio_req allocation"); \
657 \
658 req->callback = SvREFCNT_inc (cb_cv); \
659 req->pri = req_pri
660 917
661#define REQ_SEND \ 918#define REQ_SEND \
662 PUTBACK; \ 919 PUTBACK; \
663 req_submit (req); \ 920 req_submit (req); \
664 SPAGAIN; \ 921 SPAGAIN; \
665 \ 922 \
666 if (GIMME_V != G_VOID) \ 923 if (GIMME_V != G_VOID) \
667 XPUSHs (req_sv (req, aio_req_stash)); 924 XPUSHs (req_sv (req, aio_req_stash));
668 925
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
669MODULE = IO::AIO PACKAGE = IO::AIO 1009MODULE = IO::AIO PACKAGE = IO::AIO
670 1010
671PROTOTYPES: ENABLE 1011PROTOTYPES: ENABLE
672 1012
673BOOT: 1013BOOT:
… …
677 IV iv; 1017 IV iv;
678 } *civ, const_iv[] = { 1018 } *civ, const_iv[] = {
679# define const_niv(name, value) { # name, (IV) value }, 1019# define const_niv(name, value) { # name, (IV) value },
680# define const_iv(name) { # name, (IV) name }, 1020# define const_iv(name) { # name, (IV) name },
681# 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)
682 const_iv (EXDEV) 1026 const_iv (EXDEV)
683 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 */
684 const_iv (O_RDONLY) 1047 const_iv (O_RDONLY)
685 const_iv (O_WRONLY) 1048 const_iv (O_WRONLY)
686 const_iv (O_RDWR) 1049 const_iv (O_RDWR)
687 const_iv (O_CREAT) 1050 const_iv (O_CREAT)
688 const_iv (O_TRUNC) 1051 const_iv (O_TRUNC)
689 const_iv (O_EXCL) 1052 const_iv (O_EXCL)
690 const_iv (O_APPEND) 1053 const_iv (O_APPEND)
691#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
692 const_iv (S_IFIFO) 1073 const_iv (S_IFIFO)
693#endif 1074 const_iv (S_IFCHR)
694 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1075 const_iv (S_IFBLK)
695 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1076 const_iv (S_IFLNK)
696 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1077 const_iv (S_IFREG)
697 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1078 const_iv (S_IFDIR)
698 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1079 const_iv (S_IFWHT)
699 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1080 const_iv (S_IFSOCK)
1081 const_iv (S_IFMT)
700 1082
701 const_iv (ST_RDONLY) 1083 const_iv (ST_RDONLY)
702 const_iv (ST_NOSUID) 1084 const_iv (ST_NOSUID)
703 const_iv (ST_NODEV) 1085 const_iv (ST_NODEV)
704 const_iv (ST_NOEXEC) 1086 const_iv (ST_NOEXEC)
… …
709 const_iv (ST_IMMUTABLE) 1091 const_iv (ST_IMMUTABLE)
710 const_iv (ST_NOATIME) 1092 const_iv (ST_NOATIME)
711 const_iv (ST_NODIRATIME) 1093 const_iv (ST_NODIRATIME)
712 const_iv (ST_RELATIME) 1094 const_iv (ST_RELATIME)
713 1095
1096 const_iv (PROT_NONE)
714 const_iv (PROT_EXEC) 1097 const_iv (PROT_EXEC)
715 const_iv (PROT_NONE)
716 const_iv (PROT_READ) 1098 const_iv (PROT_READ)
717 const_iv (PROT_WRITE) 1099 const_iv (PROT_WRITE)
718 1100
719 /*const_iv (MAP_FIXED)*/
720 const_iv (MAP_PRIVATE) 1101 const_iv (MAP_PRIVATE)
721 const_iv (MAP_SHARED) 1102 const_iv (MAP_SHARED)
1103 const_iv (MAP_FIXED)
722 const_iv (MAP_ANONYMOUS) 1104 const_iv (MAP_ANONYMOUS)
723 1105
724 /* linuxish */ 1106 /* linuxish */
725 const_iv (MAP_HUGETLB)
726 const_iv (MAP_LOCKED) 1107 const_iv (MAP_LOCKED)
727 const_iv (MAP_NORESERVE) 1108 const_iv (MAP_NORESERVE)
728 const_iv (MAP_POPULATE) 1109 const_iv (MAP_POPULATE)
729 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)
730 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)
1222
731 const_iv (MCL_FUTURE) 1223 const_eio (MCL_FUTURE)
732 const_iv (MCL_CURRENT) 1224 const_eio (MCL_CURRENT)
733 1225
734 const_eio (MS_ASYNC) 1226 const_eio (MS_ASYNC)
735 const_eio (MS_INVALIDATE) 1227 const_eio (MS_INVALIDATE)
736 const_eio (MS_SYNC) 1228 const_eio (MS_SYNC)
737 1229
738 const_eio (MT_MODIFY) 1230 const_eio (MT_MODIFY)
739 1231
740 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1232 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741 const_eio (SYNC_FILE_RANGE_WRITE) 1233 const_eio (SYNC_FILE_RANGE_WRITE)
742 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)
743 1246
744 const_eio (READDIR_DENTS) 1247 const_eio (READDIR_DENTS)
745 const_eio (READDIR_DIRS_FIRST) 1248 const_eio (READDIR_DIRS_FIRST)
746 const_eio (READDIR_STAT_ORDER) 1249 const_eio (READDIR_STAT_ORDER)
747 const_eio (READDIR_FOUND_UNKNOWN) 1250 const_eio (READDIR_FOUND_UNKNOWN)
… …
758 }; 1261 };
759 1262
760 aio_stash = gv_stashpv ("IO::AIO" , 1); 1263 aio_stash = gv_stashpv ("IO::AIO" , 1);
761 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1264 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762 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);
763 1267
764 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--)
765 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1269 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766 1270
767 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1271 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768 1272
769 create_respipe (); 1273 reinit ();
770
771 if (eio_init (want_poll, done_poll) < 0)
772 croak ("IO::AIO: unable to initialise eio library");
773
774 /* atfork child called in fifo order, so before eio's handler */
775 X_THREAD_ATFORK (0, 0, atfork_child);
776} 1274}
777 1275
778void 1276void
1277reinit ()
1278 PROTOTYPE:
1279
1280void
779max_poll_reqs (int nreqs) 1281max_poll_reqs (unsigned int nreqs)
780 PROTOTYPE: $ 1282 PROTOTYPE: $
781 CODE: 1283 CODE:
782 eio_set_max_poll_reqs (nreqs); 1284 eio_set_max_poll_reqs (nreqs);
783 1285
784void 1286void
… …
786 PROTOTYPE: $ 1288 PROTOTYPE: $
787 CODE: 1289 CODE:
788 eio_set_max_poll_time (nseconds); 1290 eio_set_max_poll_time (nseconds);
789 1291
790void 1292void
791min_parallel (int nthreads) 1293min_parallel (unsigned int nthreads)
792 PROTOTYPE: $ 1294 PROTOTYPE: $
793 CODE: 1295 CODE:
794 eio_set_min_parallel (nthreads); 1296 eio_set_min_parallel (nthreads);
795 1297
796void 1298void
797max_parallel (int nthreads) 1299max_parallel (unsigned int nthreads)
798 PROTOTYPE: $ 1300 PROTOTYPE: $
799 CODE: 1301 CODE:
800 eio_set_max_parallel (nthreads); 1302 eio_set_max_parallel (nthreads);
801 1303
802void 1304void
803max_idle (int nthreads) 1305max_idle (unsigned int nthreads)
804 PROTOTYPE: $ 1306 PROTOTYPE: $
805 CODE: 1307 CODE:
806 eio_set_max_idle (nthreads); 1308 eio_set_max_idle (nthreads);
807 1309
808void 1310void
1311idle_timeout (unsigned int seconds)
1312 PROTOTYPE: $
1313 CODE:
1314 eio_set_idle_timeout (seconds);
1315
1316void
809max_outstanding (int maxreqs) 1317max_outstanding (unsigned int maxreqs)
810 PROTOTYPE: $ 1318 PROTOTYPE: $
811 CODE: 1319 CODE:
812 max_outstanding = maxreqs; 1320 max_outstanding = maxreqs;
813 1321
814void 1322void
815aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1323aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
816 PROTOTYPE: $$$;$
817 PPCODE: 1324 PPCODE:
818{ 1325{
819 dREQ; 1326 dREQ;
820 1327
1328 req->type = EIO_WD_OPEN;
1329 req_set_path1 (req, pathname);
1330
1331 REQ_SEND;
1332}
1333
1334void
1335aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1336 PPCODE:
1337{
1338 dREQ;
1339
821 req->type = EIO_OPEN; 1340 req->type = EIO_OPEN;
822 req->sv1 = newSVsv (pathname); 1341 req_set_path1 (req, pathname);
823 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 req->int1 = flags; 1342 req->int1 = flags;
825 req->int2 = mode; 1343 req->int2 = mode;
826 1344
827 REQ_SEND; 1345 REQ_SEND;
828} 1346}
829 1347
830void 1348void
831aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1349aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
832 PROTOTYPE: $;$
833 ALIAS: 1350 ALIAS:
834 aio_fsync = EIO_FSYNC 1351 aio_fsync = EIO_FSYNC
835 aio_fdatasync = EIO_FDATASYNC 1352 aio_fdatasync = EIO_FDATASYNC
1353 aio_syncfs = EIO_SYNCFS
836 PPCODE: 1354 PPCODE:
837{ 1355{
838 int fd = s_fileno_croak (fh, 0); 1356 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1357 dREQ;
840 1358
841 req->type = ix; 1359 req->type = ix;
842 req->sv1 = newSVsv (fh); 1360 req->sv1 = newSVsv (fh);
843 req->int1 = fd; 1361 req->int1 = fd;
844 1362
845 REQ_SEND (req); 1363 REQ_SEND;
846} 1364}
847 1365
848void 1366void
849aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1367aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$$;$
851 PPCODE: 1368 PPCODE:
852{ 1369{
853 int fd = s_fileno_croak (fh, 0); 1370 int fd = s_fileno_croak (fh, 0);
854 dREQ; 1371 dREQ;
855 1372
856 req->type = EIO_SYNC_FILE_RANGE; 1373 req->type = EIO_SYNC_FILE_RANGE;
857 req->sv1 = newSVsv (fh); 1374 req->sv1 = newSVsv (fh);
858 req->int1 = fd; 1375 req->int1 = fd;
859 req->offs = offset; 1376 req->offs = offset;
860 req->size = nbytes; 1377 req->size = nbytes;
861 req->int2 = flags; 1378 req->int2 = flags;
862 1379
863 REQ_SEND (req); 1380 REQ_SEND;
864} 1381}
865 1382
866void 1383void
867aio_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)
868 PROTOTYPE: $;$
869 PPCODE: 1385 PPCODE:
870{ 1386{
871 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872 int fd = s_fileno_croak (fh, 0); 1387 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1388 dREQ;
874 1389
875 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))
876 { 1409 {
877 int pipefd [2]; 1410 int pipefd [2];
878 1411
1412 if (
1413#ifdef _WIN32
1414 _pipe (pipefd, 1, _O_BINARY) < 0
1415#else
879 if (pipe (pipefd) < 0 1416 pipe (pipefd) < 0
880 || close (pipefd [1]) < 0
881 || 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 )
882 abort (); /*D*/ 1421 abort (); /*D*/
883 1422
884 close_pipe = pipefd [0]; 1423 close_fd = pipefd [0];
885 } 1424 }
886 1425
887 req->type = EIO_DUP2; 1426 req->type = EIO_DUP2;
888 req->int1 = close_pipe; 1427 req->int1 = close_fd;
889 req->sv2 = newSVsv (fh); 1428 req->sv2 = newSVsv (fh);
890 req->int2 = fd; 1429 req->int2 = fd;
891 1430
892 REQ_SEND (req); 1431 REQ_SEND;
893} 1432}
894 1433
895void 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
896aio_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)
897 ALIAS: 1452 ALIAS:
898 aio_read = EIO_READ 1453 aio_read = EIO_READ
899 aio_write = EIO_WRITE 1454 aio_write = EIO_WRITE
900 PROTOTYPE: $$$$$;$
901 PPCODE: 1455 PPCODE:
902{ 1456{
903 STRLEN svlen; 1457 STRLEN svlen;
904 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1458 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905 char *svptr = SvPVbyte (data, svlen); 1459 char *svptr = SvPVbyte (data, svlen);
… …
918 len = svlen - dataoffset; 1472 len = svlen - dataoffset;
919 } 1473 }
920 else 1474 else
921 { 1475 {
922 /* read: check type and grow scalar as necessary */ 1476 /* read: check type and grow scalar as necessary */
923 SvUPGRADE (data, SVt_PV); 1477 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
924 svptr = SvGROW (data, len + dataoffset + 1); 1478 svptr = sv_grow (data, len + dataoffset + 1);
1479 else if (SvCUR (data) < len + dataoffset)
1480 croak ("length + dataoffset outside of scalar, and cannot grow");
925 } 1481 }
926 1482
927 { 1483 {
928 dREQ; 1484 dREQ;
929 1485
… …
945 REQ_SEND; 1501 REQ_SEND;
946 } 1502 }
947} 1503}
948 1504
949void 1505void
950aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1506aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
951 PROTOTYPE: $$;$ 1507 ALIAS:
1508 aio_ioctl = EIO_IOCTL
1509 aio_fcntl = EIO_FCNTL
952 PPCODE: 1510 PPCODE:
953{ 1511{
954 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{
955 dREQ; 1552 dREQ;
956 1553
957 req->type = EIO_READLINK; 1554 req->type = ix;
958 req->sv1 = newSVsv (path); 1555 req_set_path1 (req, pathname);
959 req->ptr1 = SvPVbyte_nolen (req->sv1);
960 1556
961 REQ_SEND; 1557 REQ_SEND;
962} 1558}
963 1559
964void 1560void
965aio_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)
966 PROTOTYPE: $$$$;$
967 PPCODE: 1562 PPCODE:
968{ 1563{
969 int ifd = s_fileno_croak (in_fh , 0); 1564 int ifd = s_fileno_croak (in_fh , 0);
970 int ofd = s_fileno_croak (out_fh, 1); 1565 int ofd = s_fileno_croak (out_fh, 1);
971 dREQ; 1566 dREQ;
972 1567
973 req->type = EIO_SENDFILE; 1568 req->type = EIO_SENDFILE;
974 req->sv1 = newSVsv (out_fh); 1569 req->sv1 = newSVsv (out_fh);
975 req->int1 = ofd; 1570 req->int1 = ofd;
… …
980 1575
981 REQ_SEND; 1576 REQ_SEND;
982} 1577}
983 1578
984void 1579void
985aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1580aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
986 PROTOTYPE: $$$;$
987 PPCODE: 1581 PPCODE:
988{ 1582{
989 int fd = s_fileno_croak (fh, 0); 1583 int fd = s_fileno_croak (fh, 0);
990 dREQ; 1584 dREQ;
991 1585
992 req->type = EIO_READAHEAD; 1586 req->type = EIO_READAHEAD;
993 req->sv1 = newSVsv (fh); 1587 req->sv1 = newSVsv (fh);
994 req->int1 = fd; 1588 req->int1 = fd;
… …
997 1591
998 REQ_SEND; 1592 REQ_SEND;
999} 1593}
1000 1594
1001void 1595void
1002aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1596aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1003 ALIAS: 1597 ALIAS:
1004 aio_stat = EIO_STAT 1598 aio_stat = EIO_STAT
1005 aio_lstat = EIO_LSTAT 1599 aio_lstat = EIO_LSTAT
1006 aio_statvfs = EIO_STATVFS 1600 aio_statvfs = EIO_STATVFS
1007 PPCODE: 1601 PPCODE:
1008{ 1602{
1009 dREQ; 1603 dREQ;
1010 1604
1011 req->sv1 = newSVsv (fh_or_path); 1605 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1012
1013 if (SvPOK (req->sv1))
1014 {
1015 req->type = ix;
1016 req->ptr1 = SvPVbyte_nolen (req->sv1);
1017 }
1018 else
1019 {
1020 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022 }
1023 1606
1024 REQ_SEND; 1607 REQ_SEND;
1025} 1608}
1026 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
1027void 1626void
1028aio_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)
1029 PPCODE: 1628 PPCODE:
1030{ 1629{
1031 dREQ; 1630 dREQ;
1032 1631
1033 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1632 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1633 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035 req->sv1 = newSVsv (fh_or_path); 1634 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037 if (SvPOK (req->sv1))
1038 {
1039 req->type = EIO_UTIME;
1040 req->ptr1 = SvPVbyte_nolen (req->sv1);
1041 }
1042 else
1043 {
1044 req->type = EIO_FUTIME;
1045 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046 }
1047 1635
1048 REQ_SEND; 1636 REQ_SEND;
1049} 1637}
1050 1638
1051void 1639void
1052aio_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)
1053 PPCODE: 1641 PPCODE:
1054{ 1642{
1055 dREQ; 1643 dREQ;
1056 1644
1057 req->sv1 = newSVsv (fh_or_path);
1058 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1645 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059 1646 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060 if (SvPOK (req->sv1))
1061 {
1062 req->type = EIO_TRUNCATE;
1063 req->ptr1 = SvPVbyte_nolen (req->sv1);
1064 }
1065 else
1066 {
1067 req->type = EIO_FTRUNCATE;
1068 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069 }
1070 1647
1071 REQ_SEND; 1648 REQ_SEND;
1072} 1649}
1073 1650
1074void 1651void
1075aio_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)
1076 ALIAS:
1077 aio_chmod = EIO_CHMOD
1078 aio_mkdir = EIO_MKDIR
1079 PPCODE: 1653 PPCODE:
1080{ 1654{
1081 dREQ; 1655 dREQ;
1082 1656
1083 req->int2 = mode; 1657 req->int2 = mode;
1084 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = ix;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FCHMOD;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1659
1097 REQ_SEND; 1660 REQ_SEND;
1098} 1661}
1099 1662
1100void 1663void
1101aio_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)
1102 PPCODE: 1665 PPCODE:
1103{ 1666{
1104 dREQ; 1667 dREQ;
1105 1668
1106 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1669 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1670 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108 req->sv1 = newSVsv (fh_or_path); 1671 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110 if (SvPOK (req->sv1))
1111 {
1112 req->type = EIO_CHOWN;
1113 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 }
1115 else
1116 {
1117 req->type = EIO_FCHOWN;
1118 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119 }
1120 1672
1121 REQ_SEND; 1673 REQ_SEND;
1122} 1674}
1123 1675
1124void 1676void
1125aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1677aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1126 PPCODE: 1678 PPCODE:
1127{ 1679{
1128 dREQ; 1680 dREQ;
1129 1681
1130 req->type = EIO_READDIR; 1682 req->type = EIO_READDIR;
1131 req->sv1 = newSVsv (pathname);
1132 req->ptr1 = SvPVbyte_nolen (req->sv1);
1133 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1683 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134 1684
1135 if (flags & EIO_READDIR_DENTS) 1685 if (flags & EIO_READDIR_DENTS)
1136 req->int1 |= EIO_READDIR_CUSTOM2; 1686 req->int1 |= EIO_READDIR_CUSTOM2;
1137 1687
1688 req_set_path1 (req, pathname);
1689
1138 REQ_SEND; 1690 REQ_SEND;
1139} 1691}
1140 1692
1141void 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
1142aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1707aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1143 ALIAS: 1708 ALIAS:
1144 aio_unlink = EIO_UNLINK 1709 aio_unlink = EIO_UNLINK
1145 aio_rmdir = EIO_RMDIR 1710 aio_rmdir = EIO_RMDIR
1146 aio_readdir = EIO_READDIR 1711 aio_readdir = EIO_READDIR
1147 PPCODE: 1712 PPCODE:
1148{ 1713{
1149 dREQ; 1714 dREQ;
1150 1715
1151 req->type = ix; 1716 req->type = ix;
1152 req->sv1 = newSVsv (pathname); 1717 req_set_path1 (req, pathname);
1153 req->ptr1 = SvPVbyte_nolen (req->sv1);
1154 1718
1155 REQ_SEND; 1719 REQ_SEND;
1156} 1720}
1157 1721
1158void 1722void
1159aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1723aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1160 ALIAS: 1724 ALIAS:
1161 aio_link = EIO_LINK 1725 aio_link = EIO_LINK
1162 aio_symlink = EIO_SYMLINK 1726 aio_symlink = EIO_SYMLINK
1163 aio_rename = EIO_RENAME 1727 aio_rename = EIO_RENAME
1164 PPCODE: 1728 PPCODE:
1165{ 1729{
1730 eio_wd wd2 = 0;
1166 dREQ; 1731 dREQ;
1167 1732
1168 req->type = ix; 1733 req->type = ix;
1169 req->sv1 = newSVsv (oldpath); 1734 req_set_path1 (req, oldpath);
1170 req->ptr1 = SvPVbyte_nolen (req->sv1); 1735 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171 req->sv2 = newSVsv (newpath); 1736 req->int3 = (long)wd2;
1172 req->ptr2 = SvPVbyte_nolen (req->sv2);
1173 1737
1174 REQ_SEND; 1738 REQ_SEND;
1175} 1739}
1176 1740
1177void 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
1178aio_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)
1179 PPCODE: 1759 PPCODE:
1180{ 1760{
1181 dREQ; 1761 dREQ;
1182 1762
1183 req->type = EIO_MKNOD; 1763 req->type = EIO_MKNOD;
1184 req->sv1 = newSVsv (pathname);
1185 req->ptr1 = SvPVbyte_nolen (req->sv1);
1186 req->int2 = (mode_t)mode; 1764 req->int2 = (mode_t)mode;
1187 req->offs = dev; 1765 req->offs = dev;
1766 req_set_path1 (req, pathname);
1188 1767
1189 REQ_SEND; 1768 REQ_SEND;
1190} 1769}
1191 1770
1192void 1771void
1193aio_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)
1194 ALIAS: 1773 ALIAS:
1195 aio_mtouch = EIO_MTOUCH 1774 aio_mtouch = EIO_MTOUCH
1196 aio_msync = EIO_MSYNC 1775 aio_msync = EIO_MSYNC
1197 PROTOTYPE: $$$$;$
1198 PPCODE: 1776 PPCODE:
1199{ 1777{
1200 STRLEN svlen; 1778 STRLEN svlen;
1779 char *svptr = SvPVbyte (data, svlen);
1201 UV len = SvUV (length); 1780 UV len = SvUV (length);
1202 char *svptr = SvPVbyte (data, svlen); 1781
1782 if (flags < 0)
1783 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1203 1784
1204 if (offset < 0) 1785 if (offset < 0)
1205 offset += svlen; 1786 offset += svlen;
1206 1787
1207 if (offset < 0 || offset > svlen) 1788 if (offset < 0 || offset > svlen)
… …
1212 1793
1213 { 1794 {
1214 dREQ; 1795 dREQ;
1215 1796
1216 req->type = ix; 1797 req->type = ix;
1217 req->size = len;
1218 req->sv2 = SvREFCNT_inc (data); 1798 req->sv2 = SvREFCNT_inc (data);
1219 req->ptr2 = (char *)svptr + offset; 1799 req->ptr2 = (char *)svptr + offset;
1800 req->size = len;
1220 req->int1 = flags; 1801 req->int1 = flags;
1221 1802
1222 REQ_SEND; 1803 REQ_SEND;
1223 } 1804 }
1224} 1805}
1225 1806
1226void 1807void
1808aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1809 PPCODE:
1810{
1811 STRLEN svlen;
1812 char *svptr = SvPVbyte (data, svlen);
1813 UV len = SvUV (length);
1814
1815 if (offset < 0)
1816 offset += svlen;
1817
1818 if (offset < 0 || offset > svlen)
1819 croak ("offset outside of scalar");
1820
1821 if (!SvOK (length) || len + offset > svlen)
1822 len = svlen - offset;
1823
1824 {
1825 dREQ;
1826
1827 req->type = EIO_MLOCK;
1828 req->sv2 = SvREFCNT_inc (data);
1829 req->ptr2 = (char *)svptr + offset;
1830 req->size = len;
1831
1832 REQ_SEND;
1833 }
1834}
1835
1836void
1837aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1838 PPCODE:
1839{
1840 dREQ;
1841
1842 req->type = EIO_MLOCKALL;
1843 req->int1 = flags;
1844
1845 REQ_SEND;
1846}
1847
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
1227aio_busy (double delay, SV *callback=&PL_sv_undef) 1910aio_busy (double delay, SV *callback = &PL_sv_undef)
1228 PPCODE: 1911 PPCODE:
1229{ 1912{
1230 dREQ; 1913 dREQ;
1231 1914
1232 req->type = EIO_BUSY; 1915 req->type = EIO_BUSY;
… …
1234 1917
1235 REQ_SEND; 1918 REQ_SEND;
1236} 1919}
1237 1920
1238void 1921void
1239aio_group (SV *callback=&PL_sv_undef) 1922aio_group (SV *callback = &PL_sv_undef)
1240 PROTOTYPE: ;$
1241 PPCODE: 1923 PPCODE:
1242{ 1924{
1243 dREQ; 1925 dREQ;
1244 1926
1245 req->type = EIO_GROUP; 1927 req->type = EIO_GROUP;
1246 1928
1929 PUTBACK;
1247 req_submit (req); 1930 req_submit (req);
1931 SPAGAIN;
1932
1248 XPUSHs (req_sv (req, aio_grp_stash)); 1933 XPUSHs (req_sv (req, aio_grp_stash));
1249} 1934}
1250 1935
1251void 1936void
1252aio_nop (SV *callback=&PL_sv_undef) 1937aio_nop (SV *callback = &PL_sv_undef)
1253 ALIAS: 1938 ALIAS:
1254 aio_nop = EIO_NOP 1939 aio_nop = EIO_NOP
1255 aio_sync = EIO_SYNC 1940 aio_sync = EIO_SYNC
1256 PPCODE: 1941 PPCODE:
1257{ 1942{
… …
1261 1946
1262 REQ_SEND; 1947 REQ_SEND;
1263} 1948}
1264 1949
1265int 1950int
1266aioreq_pri (int pri = 0) 1951aioreq_pri (int pri = NO_INIT)
1267 PROTOTYPE: ;$
1268 CODE: 1952 CODE:
1269 RETVAL = next_pri; 1953 RETVAL = next_pri;
1270 if (items > 0) 1954 if (items > 0)
1271 { 1955 {
1272 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1956 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1284 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1968 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285 next_pri = nice; 1969 next_pri = nice;
1286 1970
1287void 1971void
1288flush () 1972flush ()
1289 PROTOTYPE:
1290 CODE: 1973 CODE:
1291 while (eio_nreqs ()) 1974 while (eio_nreqs ())
1292 { 1975 {
1293 poll_wait (); 1976 poll_wait ();
1294 poll_cb (); 1977 poll_cb ();
1295 } 1978 }
1296 1979
1297int 1980int
1298poll() 1981poll ()
1299 PROTOTYPE:
1300 CODE: 1982 CODE:
1301 poll_wait (); 1983 poll_wait ();
1302 RETVAL = poll_cb (); 1984 RETVAL = poll_cb ();
1303 OUTPUT: 1985 OUTPUT:
1304 RETVAL 1986 RETVAL
1305 1987
1306int 1988int
1307poll_fileno() 1989poll_fileno ()
1308 PROTOTYPE:
1309 CODE: 1990 CODE:
1310 RETVAL = s_epipe_fd (&respipe); 1991 RETVAL = s_epipe_fd (&respipe);
1311 OUTPUT: 1992 OUTPUT:
1312 RETVAL 1993 RETVAL
1313 1994
1314int 1995int
1315poll_cb(...) 1996poll_cb (...)
1316 PROTOTYPE: 1997 PROTOTYPE:
1317 CODE: 1998 CODE:
1318 RETVAL = poll_cb (); 1999 RETVAL = poll_cb ();
1319 OUTPUT: 2000 OUTPUT:
1320 RETVAL 2001 RETVAL
1321 2002
1322void 2003void
1323poll_wait() 2004poll_wait ()
1324 PROTOTYPE:
1325 CODE: 2005 CODE:
1326 poll_wait (); 2006 poll_wait ();
1327 2007
1328int 2008int
1329nreqs() 2009nreqs ()
1330 PROTOTYPE:
1331 CODE: 2010 CODE:
1332 RETVAL = eio_nreqs (); 2011 RETVAL = eio_nreqs ();
1333 OUTPUT: 2012 OUTPUT:
1334 RETVAL 2013 RETVAL
1335 2014
1336int 2015int
1337nready() 2016nready ()
1338 PROTOTYPE:
1339 CODE: 2017 CODE:
1340 RETVAL = eio_nready (); 2018 RETVAL = eio_nready ();
1341 OUTPUT: 2019 OUTPUT:
1342 RETVAL 2020 RETVAL
1343 2021
1344int 2022int
1345npending() 2023npending ()
1346 PROTOTYPE:
1347 CODE: 2024 CODE:
1348 RETVAL = eio_npending (); 2025 RETVAL = eio_npending ();
1349 OUTPUT: 2026 OUTPUT:
1350 RETVAL 2027 RETVAL
1351 2028
1352int 2029int
1353nthreads() 2030nthreads ()
1354 PROTOTYPE:
1355 CODE: 2031 CODE:
1356 RETVAL = eio_nthreads (); 2032 RETVAL = eio_nthreads ();
1357 OUTPUT: 2033 OUTPUT:
1358 RETVAL 2034 RETVAL
1359 2035
1360int 2036int
1361fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2037fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362 PROTOTYPE: $$$$
1363 CODE: 2038 CODE:
1364#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365 RETVAL = posix_fadvise (fh, offset, length, advice); 2039 RETVAL = posix_fadvise (fh, offset, length, advice);
1366#else
1367 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368#endif
1369 OUTPUT: 2040 OUTPUT:
1370 RETVAL 2041 RETVAL
1371 2042
1372ssize_t 2043IV
1373sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2044sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374 PROTOTYPE: $$$$
1375 CODE: 2045 CODE:
1376 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2046 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377 OUTPUT: 2047 OUTPUT:
1378 RETVAL 2048 RETVAL
1379 2049
1380void 2050void
1381mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2051mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1382 PROTOTYPE: $$$$$;$
1383 PPCODE: 2052 PPCODE:
1384 sv_unmagic (scalar, MMAP_MAGIC); 2053 sv_clear_foreign (scalar);
1385{ 2054{
1386 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;
1387 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2056 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388 if (addr == (void *)-1) 2057 if (addr == (void *)-1)
1389 XSRETURN_NO; 2058 XSRETURN_NO;
1390 2059
1391 /* we store the length in mg_obj, as namlen is I32 :/ */ 2060 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1392 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393 ->mg_obj = (SV *)length;
1394 2061
1395 SvUPGRADE (scalar, SVt_PV); /* nop... */
1396 if (!(prot & PROT_WRITE)) 2062 if (!(prot & PROT_WRITE))
1397 SvREADONLY_on (scalar); 2063 SvREADONLY_on (scalar);
1398 2064
1399 SvPVX (scalar) = (char *)addr;
1400 SvCUR_set (scalar, length);
1401 SvLEN_set (scalar, 0);
1402 SvPOK_only (scalar);
1403
1404 XSRETURN_YES; 2065 XSRETURN_YES;
1405} 2066}
1406 2067
1407void 2068void
1408munmap (SV *scalar) 2069munmap (SV *scalar)
1409 PROTOTYPE: $
1410 CODE: 2070 CODE:
1411 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
1412 2102
1413int 2103int
1414mlockall (int flags) 2104madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1415 PROTOTYPE: $ 2105 ALIAS:
2106 mprotect = 1
1416 CODE: 2107 CODE:
2108{
2109 STRLEN svlen;
2110 void *addr = SvPVbyte (scalar, svlen);
2111 STRLEN len = SvUV (length);
2112
2113 if (offset < 0)
2114 offset += svlen;
2115
2116 if (offset < 0 || offset > svlen)
2117 croak ("offset outside of scalar");
2118
2119 if (!SvOK (length) || len + offset > svlen)
2120 len = svlen - offset;
2121
2122 addr = (void *)(((intptr_t)addr) + offset);
2123 eio_page_align (&addr, &len);
2124
2125 switch (ix)
2126 {
2127 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2128 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2129 }
2130}
2131 OUTPUT:
2132 RETVAL
2133
2134int
2135munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2136 CODE:
2137{
2138 STRLEN svlen;
2139 void *addr = SvPVbyte (scalar, svlen);
2140 size_t len = SvUV (length);
2141
2142 if (offset < 0)
2143 offset += svlen;
2144
2145 if (offset < 0 || offset > svlen)
2146 croak ("offset outside of scalar");
2147
2148 if (!SvOK (length) || len + offset > svlen)
2149 len = svlen - offset;
2150
2151 addr = (void *)(((intptr_t)addr) + offset);
2152 eio_page_align (&addr, &len);
1417#if _POSIX_MEMLOCK 2153#if _POSIX_MEMLOCK_RANGE
1418#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2154 RETVAL = munlock (addr, len);
1419 extern int mallopt (int, int);
1420 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421#endif
1422 mlockall (flags);
1423#else 2155#else
1424 RETVAL = -1; 2156 RETVAL = EIO_ENOSYS ();
1425 errno = ENOSYS;
1426#endif 2157#endif
2158}
1427 OUTPUT: 2159 OUTPUT:
1428 RETVAL 2160 RETVAL
1429 2161
1430int 2162int
1431munlockall () 2163munlockall ()
1432 PROTOTYPE:
1433 CODE: 2164 CODE:
1434#if _POSIX_MEMLOCK 2165#if _POSIX_MEMLOCK
1435 munlockall (); 2166 munlockall ();
1436#else 2167#else
1437 RETVAL = -1; 2168 RETVAL = EIO_ENOSYS ();
1438 errno = ENOSYS;
1439#endif 2169#endif
1440 OUTPUT: 2170 OUTPUT:
1441 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}
1442 2387
1443void _on_next_submit (SV *cb) 2388void _on_next_submit (SV *cb)
1444 CODE: 2389 CODE:
1445 SvREFCNT_dec (on_next_submit); 2390 SvREFCNT_dec (on_next_submit);
1446 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2391 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447 2392
1448PROTOTYPES: DISABLE 2393PROTOTYPES: DISABLE
1449 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
1450MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2423MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451 2424
1452void 2425void
1453cancel (aio_req_ornot req) 2426cancel (aio_req_ornot req)
1454 CODE: 2427 CODE:
1455 eio_cancel (req); 2428 eio_cancel (req);
1456 2429
1457void 2430void
1458cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2431cb (aio_req_ornot req, SV *callback = NO_INIT)
1459 PPCODE: 2432 PPCODE:
1460{ 2433{
1461 if (GIMME_V != G_VOID) 2434 if (GIMME_V != G_VOID)
1462 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);
1463 2436
1464 if (items > 1) 2437 if (items > 1)
1465 { 2438 {
1466 SV *cb_cv =get_cb (callback); 2439 SV *cb_cv = get_cb (callback);
1467 2440
1468 SvREFCNT_dec (req->callback); 2441 SvREFCNT_dec (req->callback);
1469 req->callback = SvREFCNT_inc (cb_cv); 2442 req->callback = SvREFCNT_inc (cb_cv);
1470 } 2443 }
1471} 2444}
… …
1528limit (aio_req grp, int limit) 2501limit (aio_req grp, int limit)
1529 CODE: 2502 CODE:
1530 eio_grp_limit (grp, limit); 2503 eio_grp_limit (grp, limit);
1531 2504
1532void 2505void
1533feed (aio_req grp, SV *callback=&PL_sv_undef) 2506feed (aio_req grp, SV *callback = &PL_sv_undef)
1534 CODE: 2507 CODE:
1535{ 2508{
1536 SvREFCNT_dec (grp->sv2); 2509 SvREFCNT_dec (grp->sv2);
1537 grp->sv2 = newSVsv (callback); 2510 grp->sv2 = newSVsv (callback);
1538 grp->feed = aio_grp_feed; 2511 grp->feed = aio_grp_feed;

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