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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.257 by root, Tue Jul 17 23:20:09 2018 UTC

… …
3#include <errno.h> 3#include <errno.h>
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
9#include "schmorp.h"
10 8
11#include <stddef.h> 9#include <stddef.h>
12#include <stdlib.h> 10#include <stdlib.h>
13#include <errno.h> 11#include <errno.h>
14#include <sys/types.h> 12#include <sys/types.h>
15#include <sys/stat.h> 13#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 14#include <limits.h>
18#include <fcntl.h> 15#include <fcntl.h>
19#include <sched.h> 16#include <sched.h>
20 17
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 19# include <sys/mman.h>
20#endif
21
22/* the incompetent fool that created musl keeps __linux__, refuses
23 * to implement any linux standard apis, and also has no way to test
24 * for his broken iplementation. don't complain to me if this fails
25 * for you.
26 */
27#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
28# include <linux/fs.h>
29# ifdef FS_IOC_FIEMAP
30# include <linux/types.h>
31# include <linux/fiemap.h>
32# define HAVE_FIEMAP 1
33# endif
23#endif 34#endif
24 35
25/* perl namespace pollution */ 36/* perl namespace pollution */
26#undef VERSION 37#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 38
77/* perl stupidly overrides readdir and maybe others */ 39/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 40/* with thread-unsafe versions, imagine that :( */
79#undef readdir 41#undef readdir
80#undef opendir 42#undef opendir
81#undef closedir 43#undef closedir
82 44
45#ifdef _WIN32
46
47 // perl overrides all those nice libc functions
48
49 #undef malloc
50 #undef free
51 #undef open
52 #undef read
53 #undef write
54 #undef send
55 #undef recv
56 #undef stat
57 #undef lstat
58 #undef fstat
59 #undef truncate
60 #undef ftruncate
61 #undef open
62 #undef link
63 #undef close
64 #undef unlink
65 #undef mkdir
66 #undef rmdir
67 #undef rename
68 #undef lseek
69 #undef opendir
70 #undef readdir
71 #undef closedir
72 #undef chmod
73 #undef fchmod
74 #undef dup
75 #undef dup2
76 #undef abort
77 #undef pipe
78
79 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STATI64
84 81
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 82#else
91# define VAL64 NV 83
92# define SvVAL64 SvNV 84 #include <sys/time.h>
93# define newSVval64 newSVnv 85 #include <sys/select.h>
86 #include <unistd.h>
87 #include <utime.h>
88 #include <signal.h>
89
90 #define EIO_STRUCT_STAT Stat_t
91
94#endif 92#endif
95 93
96/*****************************************************************************/ 94/*****************************************************************************/
97 95
98#if __GNUC__ >= 3 96#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 102#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 103#define expect_true(expr) expect ((expr) != 0, 1)
106 104
107/*****************************************************************************/ 105/*****************************************************************************/
108 106
107#include "libeio/config.h"
108
109#include "schmorp.h"
110
111#if HAVE_EVENTFD
112# include <sys/eventfd.h>
113#endif
114
115#if HAVE_TIMERFD
116# include <sys/timerfd.h>
117#endif
118
119#if HAVE_RLIMITS
120 #include <sys/time.h>
121 #include <sys/resource.h>
122#endif
123
109typedef SV SV8; /* byte-sv, used for argument-checking */ 124typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 125typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 126typedef int aio_wfd; /* write file descriptor */
112 127
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 128static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 129
115#define EIO_REQ_MEMBERS \ 130#define EIO_REQ_MEMBERS \
116 SV *callback; \ 131 SV *callback; \
117 SV *sv1, *sv2; \ 132 SV *sv1, *sv2; \
133 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 134 STRLEN stroffset; \
119 SV *self; 135 SV *self;
120 136
121#define EIO_NO_WRAPPERS 1 137#define EIO_NO_WRAPPERS 1
122 138
123#include "libeio/eio.h" 139#include "libeio/eio.h"
124 140
125#ifndef POSIX_FADV_NORMAL 141static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 142#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 143static void req_destroy (eio_req *grp);
128#endif 144#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
144 145
145#ifndef POSIX_MADV_NORMAL 146#include "libeio/eio.c"
146# define POSIX_MADV_NORMAL 0
147# define NO_MADVISE 1
148#endif
149#ifndef POSIX_MADV_SEQUENTIAL
150# define POSIX_MADV_SEQUENTIAL 0
151#endif
152#ifndef POSIX_MADV_RANDOM
153# define POSIX_MADV_RANDOM 0
154#endif
155#ifndef POSIX_MADV_WILLNEED
156# define POSIX_MADV_WILLNEED 0
157#endif
158#ifndef POSIX_MADV_DONTNEED
159# define POSIX_MADV_DONTNEED 0
160#endif
161 147
162#ifndef ST_NODEV 148#if !HAVE_POSIX_FADVISE
163# define ST_NODEV 0 149# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
164#endif 150#endif
165#ifndef ST_NOEXEC
166# define ST_NOEXEC 0
167#endif
168#ifndef ST_SYNCHRONOUS
169# define ST_SYNCHRONOUS 0
170#endif
171#ifndef ST_MANDLOCK
172# define ST_MANDLOCK 0
173#endif
174#ifndef ST_WRITE
175# define ST_WRITE 0
176#endif
177#ifndef ST_APPEND
178# define ST_APPEND 0
179#endif
180#ifndef ST_IMMUTABLE
181# define ST_IMMUTABLE 0
182#endif
183#ifndef ST_NOATIME
184# define ST_NOATIME 0
185#endif
186#ifndef ST_NODIRATIME
187# define ST_NODIRATIME 0
188#endif
189#ifndef ST_RELATIME
190# define ST_RELATIME 0
191#endif
192 151
193#ifndef MCL_CURRENT 152#if !HAVE_POSIX_MADVISE
194# define MCL_CURRENT 0 153# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
195#endif
196#ifndef MCL_FUTURE
197# define MCL_FUTURE 0
198#endif 154#endif
199 155
200#ifndef MAP_ANONYMOUS 156#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON 157# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON 158# define MAP_ANONYMOUS MAP_ANON
203# else 159# else
204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205# endif 161# endif
206#endif 162#endif
207#ifndef MAP_HUGETLB
208# define MAP_HUGETLB 0
209#endif
210#ifndef MAP_LOCKED
211# define MAP_LOCKED 0
212#endif
213#ifndef MAP_NORESERVE
214# define MAP_NORESERVE 0
215#endif
216#ifndef MAP_POPULATE
217# define MAP_POPULATE 0
218#endif
219#ifndef MAP_NONBLOCK
220# define MAP_NONBLOCK 0
221#endif
222 163
223#ifndef PAGESIZE 164/* defines all sorts of constants to 0 unless they are already defined */
165/* also provides const_iv_ and const_niv_ macros for them */
166#include "def0.h"
167
168#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min))
170#endif
171#ifndef major
172# define major(dev) ((dev) >> 8)
173#endif
174#ifndef minor
175# define minor(dev) ((dev) & 0xff)
176#endif
177
178#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE) 179# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 180#endif
226 181
227static int req_invoke (eio_req *req); 182/*****************************************************************************/
228#define EIO_FINISH(req) req_invoke (req) 183
229static void req_destroy (eio_req *grp); 184#if !_POSIX_MAPPED_FILES
230#define EIO_DESTROY(req) req_destroy (req) 185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
195#endif
196
197#define FOREIGN_MAGIC PERL_MAGIC_ext
198
199static int ecb_cold
200mmap_free (pTHX_ SV *sv, MAGIC *mg)
201{
202 int old_errno = errno;
203 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
204 errno = old_errno;
205
206 mg->mg_obj = 0; /* just in case */
207
208 SvREADONLY_off (sv);
209
210 if (SvPVX (sv) != mg->mg_ptr)
211 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
212
213 SvCUR_set (sv, 0);
214 SvPVX (sv) = 0;
215 SvOK_off (sv);
216
217 return 0;
218}
219
220static MGVTBL mmap_vtbl = {
221 0, 0, 0, 0, mmap_free
222};
223
224static int ecb_cold
225sysfree_free (pTHX_ SV *sv, MAGIC *mg)
226{
227 free (mg->mg_ptr);
228 mg->mg_obj = 0; /* just in case */
229
230 SvREADONLY_off (sv);
231
232 if (SvPVX (sv) != mg->mg_ptr)
233 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
234
235 SvCUR_set (sv, 0);
236 SvPVX (sv) = 0;
237 SvOK_off (sv);
238
239 return 0;
240}
241
242static MGVTBL sysfree_vtbl = {
243 0, 0, 0, 0, sysfree_free
244};
245
246/*****************************************************************************/
247
248/* helper: set scalar to foreign ptr with custom free */
249static void
250sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
251{
252 sv_force_normal (sv);
253
254 /* we store the length in mg_obj, as namlen is I32 :/ */
255 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
256 ->mg_obj = (SV *)length;
257
258 SvUPGRADE (sv, SVt_PV); /* nop... */
259
260 if (SvLEN (sv))
261 Safefree (SvPVX (sv));
262
263 SvPVX (sv) = (char *)addr;
264 SvCUR_set (sv, length);
265 SvLEN_set (sv, 0);
266 SvPOK_only (sv);
267}
268
269static void
270sv_clear_foreign (SV *sv)
271{
272 /* todo: iterate over magic and only free ours, but of course */
273 /* the perl5porters will call that (correct) behaviour buggy */
274 sv_unmagic (sv, FOREIGN_MAGIC);
275}
276
277/*****************************************************************************/
278
279static void
280fiemap (eio_req *req)
281{
282 req->result = -1;
283
284#if HAVE_FIEMAP
285 /* assume some c99 */
286 struct fiemap *fiemap = 0;
287 size_t end_offset;
288 int count = req->int3;
289
290 req->flags |= EIO_FLAG_PTR1_FREE;
291
292 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
293 /* increase in 3.5kb steps */
294 if (count < 0)
295 count = 8;
296
297 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
298 errno = ENOMEM;
299 if (!fiemap)
300 return;
301
302 req->ptr1 = fiemap;
303
304 fiemap->fm_start = req->offs;
305 fiemap->fm_length = req->size;
306 fiemap->fm_flags = req->int2;
307 fiemap->fm_extent_count = count;
308
309 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
310 return;
311
312 if (req->int3 >= 0 /* not autosizing */
313 || !fiemap->fm_mapped_extents /* no more extents */
314 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
315 goto done;
316
317 /* else we have to loop -
318 * it would be tempting (actually I tried that first) to just query the
319 * number of extents needed, but linux often feels like not returning all
320 * extents, without telling us it left any out. this complicates
321 * this quite a bit.
322 */
323
324 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
325
326 for (;;)
327 {
328 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
329 char scratch[3072];
330 struct fiemap *incmap = (struct fiemap *)scratch;
331
332 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
333 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
334 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
335 incmap->fm_flags = fiemap->fm_flags;
336 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
337
338 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
339 return;
340
341 if (!incmap->fm_mapped_extents)
342 goto done;
343
344 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
345 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
346 errno = ENOMEM;
347 if (!fiemap)
348 return;
349
350 req->ptr1 = fiemap;
351
352 for (count = 0; count < incmap->fm_mapped_extents; ++count)
353 {
354 struct fiemap_extent *e = incmap->fm_extents + count;
355
356 if (e->fe_logical + e->fe_length >= end_offset)
357 goto done;
358
359 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
360
361 if (e->fe_flags & FIEMAP_EXTENT_LAST)
362 goto done;
363
364 }
365 }
366
367done:
368 req->result = 0;
369
370#else
371 errno = ENOSYS;
372#endif
373}
374
375/*****************************************************************************/
231 376
232enum { 377enum {
233 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 378 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234}; 379};
235 380
236#include "libeio/eio.c"
237
238typedef eio_req *aio_req; 381typedef eio_req *aio_req;
239typedef eio_req *aio_req_ornot; 382typedef eio_req *aio_req_ornot;
383typedef eio_wd aio_wd;
240 384
241static SV *on_next_submit; 385static SV *on_next_submit;
242static int next_pri = EIO_PRI_DEFAULT; 386static int next_pri = EIO_PRI_DEFAULT;
243static int max_outstanding; 387static int max_outstanding;
244 388
245static s_epipe respipe; 389static s_epipe respipe;
246 390
247static void req_destroy (aio_req req); 391static void req_destroy (aio_req req);
248static void req_cancel (aio_req req); 392static void req_cancel (aio_req req);
249 393
250static void want_poll (void) 394static void
395want_poll (void)
251{ 396{
252 /* write a dummy byte to the pipe so fh becomes ready */ 397 /* write a dummy byte to the pipe so fh becomes ready */
253 s_epipe_signal (&respipe); 398 s_epipe_signal (&respipe);
254} 399}
255 400
256static void done_poll (void) 401static void
402done_poll (void)
257{ 403{
258 /* read any signals sent by the worker threads */ 404 /* read any signals sent by the worker threads */
259 s_epipe_drain (&respipe); 405 s_epipe_drain (&respipe);
260} 406}
261 407
262/* must be called at most once */ 408/* must be called at most once */
409static SV *
263static SV *req_sv (aio_req req, HV *stash) 410req_sv (aio_req req, HV *stash)
264{ 411{
265 if (!req->self) 412 if (!req->self)
266 { 413 {
267 req->self = (SV *)newHV (); 414 req->self = (SV *)newHV ();
268 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 415 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269 } 416 }
270 417
271 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 418 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272} 419}
273 420
274static aio_req SvAIO_REQ (SV *sv) 421static SV *
422newSVaio_wd (aio_wd wd)
423{
424 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
425}
426
427static aio_req
428SvAIO_REQ (SV *sv)
275{ 429{
276 MAGIC *mg; 430 MAGIC *mg;
277 431
278 if (!SvROK (sv) 432 if (!SvROK (sv)
433 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
279 || (SvSTASH (SvRV (sv)) != aio_grp_stash 434 || (SvSTASH (SvRV (sv)) != aio_grp_stash
280 && SvSTASH (SvRV (sv)) != aio_req_stash 435 && SvSTASH (SvRV (sv)) != aio_req_stash
281 && !sv_derived_from (sv, "IO::AIO::REQ"))) 436 && !sv_derived_from (sv, "IO::AIO::REQ")))
282 croak ("object of class IO::AIO::REQ expected"); 437 croak ("object of class IO::AIO::REQ expected");
283 438
284 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 439 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285 440
286 return mg ? (aio_req)mg->mg_ptr : 0; 441 return mg ? (aio_req)mg->mg_ptr : 0;
287} 442}
288 443
444static aio_wd
445SvAIO_WD (SV *sv)
446{
447 if (!SvROK (sv)
448 || SvTYPE (SvRV (sv)) != SVt_PVMG
449 || SvSTASH (SvRV (sv)) != aio_wd_stash)
450 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
451
452 return (aio_wd)(long)SvIVX (SvRV (sv));
453}
454
455static SV *
456newmortalFH (int fd, int flags)
457{
458 if (fd < 0)
459 return &PL_sv_undef;
460
461 GV *gv = (GV *)sv_newmortal ();
462 char sym[64];
463 int symlen;
464
465 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
466 gv_init (gv, aio_stash, sym, symlen, 0);
467
468 symlen = snprintf (
469 sym,
470 sizeof (sym),
471 "%s&=%d",
472 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
473 fd
474 );
475
476 return do_open (gv, sym, symlen, 0, 0, 0, 0)
477 ? (SV *)gv : &PL_sv_undef;
478}
479
480static void
289static void aio_grp_feed (aio_req grp) 481aio_grp_feed (aio_req grp)
290{ 482{
291 if (grp->sv2 && SvOK (grp->sv2)) 483 if (grp->sv2 && SvOK (grp->sv2))
292 { 484 {
293 dSP; 485 dSP;
294 486
… …
302 FREETMPS; 494 FREETMPS;
303 LEAVE; 495 LEAVE;
304 } 496 }
305} 497}
306 498
499static void
307static void req_submit (eio_req *req) 500req_submit (eio_req *req)
308{ 501{
309 eio_submit (req); 502 eio_submit (req);
310 503
311 if (expect_false (on_next_submit)) 504 if (expect_false (on_next_submit))
312 { 505 {
… …
319 PUTBACK; 512 PUTBACK;
320 call_sv (cb, G_DISCARD | G_EVAL); 513 call_sv (cb, G_DISCARD | G_EVAL);
321 } 514 }
322} 515}
323 516
517static int
324static int req_invoke (eio_req *req) 518req_invoke (eio_req *req)
325{ 519{
326 if (req->flags & FLAG_SV2_RO_OFF) 520 if (req->flags & FLAG_SV2_RO_OFF)
327 SvREADONLY_off (req->sv2); 521 SvREADONLY_off (req->sv2);
328 522
329 if (!EIO_CANCELLED (req) && req->callback) 523 if (!EIO_CANCELLED (req) && req->callback)
… …
340 /* do not recreate the result IV from scratch each time */ 534 /* do not recreate the result IV from scratch each time */
341 if (expect_true (sv_result_cache)) 535 if (expect_true (sv_result_cache))
342 { 536 {
343 sv_result = sv_result_cache; sv_result_cache = 0; 537 sv_result = sv_result_cache; sv_result_cache = 0;
344 SvIV_set (sv_result, req->result); 538 SvIV_set (sv_result, req->result);
539 SvIOK_only (sv_result);
345 } 540 }
346 else 541 else
347 { 542 {
348 sv_result = newSViv (req->result); 543 sv_result = newSViv (req->result);
349 SvREADONLY_on (sv_result); 544 SvREADONLY_on (sv_result);
350 } 545 }
351 546
352 switch (req->type) 547 switch (req->type)
353 { 548 {
549 case EIO_WD_OPEN:
550 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
551 break;
552
354 case EIO_READDIR: 553 case EIO_READDIR:
355 { 554 {
356 SV *rv = &PL_sv_undef; 555 SV *rv = &PL_sv_undef;
357 556
358 if (req->result >= 0) 557 if (req->result >= 0)
… …
411 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 610 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
412 } 611 }
413 break; 612 break;
414 613
415 case EIO_OPEN: 614 case EIO_OPEN:
416 { 615 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
417 /* convert fd to fh */
418 SV *fh = &PL_sv_undef;
419
420 if (req->result >= 0)
421 {
422 GV *gv = (GV *)sv_newmortal ();
423 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
424 char sym [64];
425 int symlen;
426
427 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
428 gv_init (gv, aio_stash, sym, symlen, 0);
429
430 symlen = snprintf (
431 sym,
432 sizeof (sym),
433 "%s&=%d",
434 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
435 (int)req->result
436 );
437
438 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
439 fh = (SV *)gv;
440 }
441
442 PUSHs (fh);
443 }
444 break; 616 break;
445 617
446 case EIO_STATVFS: 618 case EIO_STATVFS:
447 case EIO_FSTATVFS: 619 case EIO_FSTATVFS:
448 { 620 {
449 SV *rv = &PL_sv_undef; 621 SV *rv = &PL_sv_undef;
450 622
623#ifndef _WIN32
451 if (req->result >= 0) 624 if (req->result >= 0)
452 { 625 {
453 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 626 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454 HV *hv = newHV (); 627 HV *hv = newHV ();
628 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
629 * chooses to make it a struct.
630 */
631 unsigned long fsid = 0;
632 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
455 633
456 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 634 rv = sv_2mortal (newRV_noinc ((SV *)hv));
457 635
458 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 636 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
459 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 637 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
461 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 639 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
462 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 640 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
463 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 641 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
464 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 642 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
465 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 643 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
466 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 644 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
467 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 645 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
468 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 646 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
469 } 647 }
648#endif
470 649
471 PUSHs (rv); 650 PUSHs (rv);
472 } 651 }
473 652
474 break; 653 break;
… …
490 case EIO_NOP: 669 case EIO_NOP:
491 case EIO_BUSY: 670 case EIO_BUSY:
492 break; 671 break;
493 672
494 case EIO_READLINK: 673 case EIO_READLINK:
674 case EIO_REALPATH:
495 if (req->result > 0) 675 if (req->result > 0)
496 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 676 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497 break; 677 break;
498 678
499 case EIO_STAT: 679 case EIO_STAT:
500 case EIO_LSTAT: 680 case EIO_LSTAT:
501 case EIO_FSTAT: 681 case EIO_FSTAT:
502 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 682 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
683
503 PL_laststatval = req->result; 684 if (!(PL_laststatval = req->result))
685 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
504 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 686 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
687
505 PUSHs (sv_result); 688 PUSHs (sv_result);
689 break;
690
691 case EIO_SEEK:
692 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
506 break; 693 break;
507 694
508 case EIO_READ: 695 case EIO_READ:
509 { 696 {
510 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 697 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
513 SvSETMAGIC (req->sv2); 700 SvSETMAGIC (req->sv2);
514 PUSHs (sv_result); 701 PUSHs (sv_result);
515 } 702 }
516 break; 703 break;
517 704
705 case EIO_SLURP:
706 {
707 if (req->result >= 0)
708 {
709 /* if length was originally not known, we steal the malloc'ed memory */
710 if (req->flags & EIO_FLAG_PTR2_FREE)
711 {
712 req->flags &= ~EIO_FLAG_PTR2_FREE;
713 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
714 }
715 else
716 {
717 SvCUR_set (req->sv2, req->result);
718 *SvEND (req->sv2) = 0;
719 SvPOK_only (req->sv2);
720 }
721
722 SvSETMAGIC (req->sv2);
723 }
724
725 PUSHs (sv_result);
726 }
727 break;
728
729 case EIO_CUSTOM:
730 if (req->feed == fiemap)
731 {
732#if HAVE_FIEMAP
733 if (!req->result)
734 {
735 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
736
737 if (fiemap->fm_extent_count)
738 {
739 AV *av = newAV ();
740 int i;
741
742 while (fiemap->fm_mapped_extents)
743 {
744 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
745 AV *ext_av = newAV ();
746
747 av_store (ext_av, 3, newSVuv (extent->fe_flags));
748 av_store (ext_av, 2, newSVval64 (extent->fe_length));
749 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
750 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
751
752 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
753 }
754
755 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
756 }
757 else
758 {
759 SvIV_set (sv_result, fiemap->fm_mapped_extents);
760 PUSHs (sv_result);
761 }
762 }
763#endif
764 }
765 else
766 PUSHs (sv_result);
767 break;
768
518 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 769 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519 if (req->result > 0) 770 if (req->result > 0)
520 SvIV_set (sv_result, 0); 771 SvIV_set (sv_result, 0);
521 /* FALLTHROUGH */ 772 /* FALLTHROUGH */
522 773
523 default: 774 default:
… …
543 } 794 }
544 795
545 return !!SvTRUE (ERRSV); 796 return !!SvTRUE (ERRSV);
546} 797}
547 798
799static void
548static void req_destroy (aio_req req) 800req_destroy (aio_req req)
549{ 801{
550 if (req->self) 802 if (req->self)
551 { 803 {
552 sv_unmagic (req->self, PERL_MAGIC_ext); 804 sv_unmagic (req->self, PERL_MAGIC_ext);
553 SvREFCNT_dec (req->self); 805 SvREFCNT_dec (req->self);
554 } 806 }
555 807
556 SvREFCNT_dec (req->sv1); 808 SvREFCNT_dec (req->sv1);
557 SvREFCNT_dec (req->sv2); 809 SvREFCNT_dec (req->sv2);
810 SvREFCNT_dec (req->sv3);
811 SvREFCNT_dec (req->sv4);
558 SvREFCNT_dec (req->callback); 812 SvREFCNT_dec (req->callback);
559 813
560 Safefree (req); 814 free (req);
561} 815}
562 816
817static void
563static void req_cancel_subs (aio_req grp) 818req_cancel_subs (aio_req grp)
564{ 819{
565 aio_req sub;
566
567 if (grp->type != EIO_GROUP) 820 if (grp->type != EIO_GROUP)
568 return; 821 return;
569 822
570 SvREFCNT_dec (grp->sv2); 823 SvREFCNT_dec (grp->sv2);
571 grp->sv2 = 0; 824 grp->sv2 = 0;
572 825
573 eio_grp_cancel (grp); 826 eio_grp_cancel (grp);
574} 827}
575 828
576static void 829static void ecb_cold
577create_respipe (void) 830create_respipe (void)
578{ 831{
579 if (s_epipe_renew (&respipe)) 832 if (s_epipe_renew (&respipe))
580 croak ("IO::AIO: unable to initialize result pipe"); 833 croak ("IO::AIO: unable to initialize result pipe");
581} 834}
582 835
583static void poll_wait (void) 836static void
837poll_wait (void)
584{ 838{
585 while (eio_nreqs ()) 839 while (eio_nreqs ())
586 { 840 {
587 int size; 841 int size;
588 842
589 X_LOCK (reslock); 843 X_LOCK (EIO_POOL->reslock);
590 size = res_queue.size; 844 size = EIO_POOL->res_queue.size;
591 X_UNLOCK (reslock); 845 X_UNLOCK (EIO_POOL->reslock);
592 846
593 if (size) 847 if (size)
594 return; 848 return;
595 849
596 etp_maybe_start_thread (); 850 etp_maybe_start_thread (EIO_POOL);
597 851
598 s_epipe_wait (&respipe); 852 s_epipe_wait (&respipe);
599 } 853 }
600} 854}
601 855
602static int poll_cb (void) 856static int
857poll_cb (void)
603{ 858{
604 for (;;) 859 for (;;)
605 { 860 {
606 int res = eio_poll (); 861 int res = eio_poll ();
607 862
… …
613 868
614 poll_wait (); 869 poll_wait ();
615 } 870 }
616} 871}
617 872
618static void atfork_child (void) 873static void ecb_cold
874reinit (void)
619{ 875{
620 create_respipe (); 876 create_respipe ();
621}
622 877
623/*****************************************************************************/ 878 if (eio_init (want_poll, done_poll) < 0)
624 879 croak ("IO::AIO: unable to initialise eio library");
625#if !_POSIX_MAPPED_FILES
626# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627# define munmap(addr,length) (errno = ENOSYS, -1)
628#endif
629
630#define MMAP_MAGIC PERL_MAGIC_ext
631
632static int
633mmap_free (pTHX_ SV *sv, MAGIC *mg)
634{
635 int old_errno = errno;
636 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637 errno = old_errno;
638
639 mg->mg_obj = 0; /* just in case */
640
641 SvREADONLY_off (sv);
642
643 if (SvPVX (sv) != mg->mg_ptr)
644 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
645
646 SvCUR_set (sv, 0);
647 SvPVX (sv) = 0;
648 SvOK_off (sv);
649
650 return 0;
651} 880}
652
653static MGVTBL mmap_vtbl = {
654 0, 0, 0, 0, mmap_free
655};
656 881
657/*****************************************************************************/ 882/*****************************************************************************/
658 883
659static SV * 884static SV *
660get_cb (SV *cb_sv) 885get_cb (SV *cb_sv)
661{ 886{
662 SvGETMAGIC (cb_sv); 887 SvGETMAGIC (cb_sv);
663 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 888 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664} 889}
665 890
891static aio_req ecb_noinline
892dreq (SV *callback)
893{
894 SV *cb_cv;
895 aio_req req;
896 int req_pri = next_pri;
897 next_pri = EIO_PRI_DEFAULT;
898
899 cb_cv = get_cb (callback);
900
901 req = calloc (sizeof (*req), 1);
902 if (!req)
903 croak ("out of memory during eio_req allocation");
904
905 req->callback = SvREFCNT_inc (cb_cv);
906 req->pri = req_pri;
907
908 return req;
909}
910
666#define dREQ \ 911#define dREQ \
667 SV *cb_cv; \ 912 aio_req req = dreq (callback); \
668 aio_req req; \
669 int req_pri = next_pri; \
670 next_pri = EIO_PRI_DEFAULT; \
671 \
672 cb_cv = get_cb (callback); \
673 \
674 Newz (0, req, 1, eio_req); \
675 if (!req) \
676 croak ("out of memory during eio_req allocation"); \
677 \
678 req->callback = SvREFCNT_inc (cb_cv); \
679 req->pri = req_pri
680 913
681#define REQ_SEND \ 914#define REQ_SEND \
682 PUTBACK; \ 915 PUTBACK; \
683 req_submit (req); \ 916 req_submit (req); \
684 SPAGAIN; \ 917 SPAGAIN; \
685 \ 918 \
686 if (GIMME_V != G_VOID) \ 919 if (GIMME_V != G_VOID) \
687 XPUSHs (req_sv (req, aio_req_stash)); 920 XPUSHs (req_sv (req, aio_req_stash));
688 921
922ecb_inline void
923req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
924{
925 if (expect_false (SvROK (path)))
926 {
927 SV *rv = SvRV (path);
928 SV *wdob;
929
930 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
931 {
932 path = AvARRAY (rv)[1];
933 wdob = AvARRAY (rv)[0];
934
935 if (SvOK (wdob))
936 {
937 *wd = SvAIO_WD (wdob);
938 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
939 }
940 else
941 *wd = EIO_INVALID_WD;
942 }
943 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
944 {
945 *wd = (aio_wd)(long)SvIVX (rv);
946 *wdsv = SvREFCNT_inc_NN (rv);
947 *ptr = ".";
948 return; /* path set to "." */
949 }
950 else
951 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
952 }
953
954 *pathsv = newSVsv (path);
955 *ptr = SvPVbyte_nolen (*pathsv);
956}
957
958static void ecb_noinline
959req_set_path1 (aio_req req, SV *path)
960{
961 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
962}
963
964static void ecb_noinline
965req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
966{
967 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
968
969 switch (SvTYPE (rv))
970 {
971 case SVt_PVIO:
972 case SVt_PVLV:
973 case SVt_PVGV:
974 req->type = type_fh;
975 req->sv1 = newSVsv (fh_or_path);
976 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
977 break;
978
979 default:
980 req->type = type_path;
981 req_set_path1 (req, fh_or_path);
982 break;
983 }
984}
985
986/*****************************************************************************/
987
988static void
989ts_set (struct timespec *ts, NV value)
990{
991 ts->tv_sec = value;
992 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
993}
994
995static NV
996ts_get (const struct timespec *ts)
997{
998 return ts->tv_sec + ts->tv_nsec * 1e-9;
999}
1000
1001/*****************************************************************************/
1002
1003XS(boot_IO__AIO) ecb_cold;
1004
689MODULE = IO::AIO PACKAGE = IO::AIO 1005MODULE = IO::AIO PACKAGE = IO::AIO
690 1006
691PROTOTYPES: ENABLE 1007PROTOTYPES: ENABLE
692 1008
693BOOT: 1009BOOT:
… …
697 IV iv; 1013 IV iv;
698 } *civ, const_iv[] = { 1014 } *civ, const_iv[] = {
699# define const_niv(name, value) { # name, (IV) value }, 1015# define const_niv(name, value) { # name, (IV) value },
700# define const_iv(name) { # name, (IV) name }, 1016# define const_iv(name) { # name, (IV) name },
701# define const_eio(name) { # name, (IV) EIO_ ## name }, 1017# define const_eio(name) { # name, (IV) EIO_ ## name },
1018
1019 /* you have to re-run ./gendef0 after adding/removing any constants here */
1020 /* the first block can be undef if missing */
1021 const_iv (ENOSYS)
702 const_iv (EXDEV) 1022 const_iv (EXDEV)
703 const_iv (ENOSYS) 1023 const_iv (EBADR)
1024
1025 /* for lseek */
1026 const_iv (SEEK_DATA)
1027 const_iv (SEEK_HOLE)
1028
1029 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1030 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1031 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1032 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1033 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1034 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1035
1036 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1037 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1038 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1039 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1040 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1041
1042 /* the second block will be 0 when missing */
704 const_iv (O_RDONLY) 1043 const_iv (O_RDONLY)
705 const_iv (O_WRONLY) 1044 const_iv (O_WRONLY)
706 const_iv (O_RDWR) 1045 const_iv (O_RDWR)
707 const_iv (O_CREAT) 1046 const_iv (O_CREAT)
708 const_iv (O_TRUNC) 1047 const_iv (O_TRUNC)
709 const_iv (O_EXCL) 1048 const_iv (O_EXCL)
710 const_iv (O_APPEND) 1049 const_iv (O_APPEND)
711#ifndef _WIN32 1050
1051 const_iv (O_ASYNC)
1052 const_iv (O_DIRECT)
1053 const_iv (O_NOATIME)
1054
1055 const_iv (O_CLOEXEC)
1056 const_iv (O_NOCTTY)
1057 const_iv (O_NOFOLLOW)
1058 const_iv (O_NONBLOCK)
1059 const_iv (O_EXEC)
1060 const_iv (O_SEARCH)
1061 const_iv (O_DIRECTORY)
1062 const_iv (O_DSYNC)
1063 const_iv (O_RSYNC)
1064 const_iv (O_SYNC)
1065 const_iv (O_PATH)
1066 const_iv (O_TMPFILE)
1067 const_iv (O_TTY_INIT)
1068
712 const_iv (S_IFIFO) 1069 const_iv (S_IFIFO)
713#endif 1070 const_iv (S_IFCHR)
714 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1071 const_iv (S_IFBLK)
715 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1072 const_iv (S_IFLNK)
716 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1073 const_iv (S_IFREG)
717 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1074 const_iv (S_IFDIR)
718 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1075 const_iv (S_IFWHT)
719 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1076 const_iv (S_IFSOCK)
720 1077 const_iv (S_IFMT)
721 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
722 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
723 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
724 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
725 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
726 1078
727 const_iv (ST_RDONLY) 1079 const_iv (ST_RDONLY)
728 const_iv (ST_NOSUID) 1080 const_iv (ST_NOSUID)
729 const_iv (ST_NODEV) 1081 const_iv (ST_NODEV)
730 const_iv (ST_NOEXEC) 1082 const_iv (ST_NOEXEC)
… …
735 const_iv (ST_IMMUTABLE) 1087 const_iv (ST_IMMUTABLE)
736 const_iv (ST_NOATIME) 1088 const_iv (ST_NOATIME)
737 const_iv (ST_NODIRATIME) 1089 const_iv (ST_NODIRATIME)
738 const_iv (ST_RELATIME) 1090 const_iv (ST_RELATIME)
739 1091
1092 const_iv (PROT_NONE)
740 const_iv (PROT_EXEC) 1093 const_iv (PROT_EXEC)
741 const_iv (PROT_NONE)
742 const_iv (PROT_READ) 1094 const_iv (PROT_READ)
743 const_iv (PROT_WRITE) 1095 const_iv (PROT_WRITE)
744 1096
745 /*const_iv (MAP_FIXED)*/
746 const_iv (MAP_PRIVATE) 1097 const_iv (MAP_PRIVATE)
747 const_iv (MAP_SHARED) 1098 const_iv (MAP_SHARED)
1099 const_iv (MAP_FIXED)
748 const_iv (MAP_ANONYMOUS) 1100 const_iv (MAP_ANONYMOUS)
749 1101
750 /* linuxish */ 1102 /* linuxish */
751 const_iv (MAP_HUGETLB)
752 const_iv (MAP_LOCKED) 1103 const_iv (MAP_LOCKED)
753 const_iv (MAP_NORESERVE) 1104 const_iv (MAP_NORESERVE)
754 const_iv (MAP_POPULATE) 1105 const_iv (MAP_POPULATE)
755 const_iv (MAP_NONBLOCK) 1106 const_iv (MAP_NONBLOCK)
1107 const_iv (MAP_GROWSDOWN)
1108 const_iv (MAP_32BIT)
1109 const_iv (MAP_HUGETLB)
1110 const_iv (MAP_STACK)
756 1111
1112 const_iv (MREMAP_MAYMOVE)
1113 const_iv (MREMAP_FIXED)
1114
1115 const_iv (F_DUPFD_CLOEXEC)
1116
1117 const_iv (F_OFD_GETLK)
1118 const_iv (F_OFD_SETLK)
1119 const_iv (F_OFD_GETLKW)
1120
1121 const_iv (FIFREEZE)
1122 const_iv (FITHAW)
1123 const_iv (FITRIM)
1124 const_iv (FICLONE)
1125 const_iv (FICLONERANGE)
1126 const_iv (FIDEDUPERANGE)
1127
1128 const_iv (FS_IOC_GETFLAGS)
1129 const_iv (FS_IOC_SETFLAGS)
1130 const_iv (FS_IOC_GETVERSION)
1131 const_iv (FS_IOC_SETVERSION)
1132 const_iv (FS_IOC_FIEMAP)
1133 const_iv (FS_IOC_FSGETXATTR)
1134 const_iv (FS_IOC_FSSETXATTR)
1135 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1136 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1137 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1138
1139 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1140
1141 const_iv (FS_SECRM_FL)
1142 const_iv (FS_UNRM_FL)
1143 const_iv (FS_COMPR_FL)
1144 const_iv (FS_SYNC_FL)
1145 const_iv (FS_IMMUTABLE_FL)
1146 const_iv (FS_APPEND_FL)
1147 const_iv (FS_NODUMP_FL)
1148 const_iv (FS_NOATIME_FL)
1149 const_iv (FS_DIRTY_FL)
1150 const_iv (FS_COMPRBLK_FL)
1151 const_iv (FS_NOCOMP_FL)
1152 const_iv (FS_ENCRYPT_FL)
1153 const_iv (FS_BTREE_FL)
1154 const_iv (FS_INDEX_FL)
1155 const_iv (FS_JOURNAL_DATA_FL)
1156 const_iv (FS_NOTAIL_FL)
1157 const_iv (FS_DIRSYNC_FL)
1158 const_iv (FS_TOPDIR_FL)
1159 const_iv (FS_FL_USER_MODIFIABLE)
1160
1161 const_iv (FS_XFLAG_REALTIME)
1162 const_iv (FS_XFLAG_PREALLOC)
1163 const_iv (FS_XFLAG_IMMUTABLE)
1164 const_iv (FS_XFLAG_APPEND)
1165 const_iv (FS_XFLAG_SYNC)
1166 const_iv (FS_XFLAG_NOATIME)
1167 const_iv (FS_XFLAG_NODUMP)
1168 const_iv (FS_XFLAG_RTINHERIT)
1169 const_iv (FS_XFLAG_PROJINHERIT)
1170 const_iv (FS_XFLAG_NOSYMLINKS)
1171 const_iv (FS_XFLAG_EXTSIZE)
1172 const_iv (FS_XFLAG_EXTSZINHERIT)
1173 const_iv (FS_XFLAG_NODEFRAG)
1174 const_iv (FS_XFLAG_FILESTREAM)
1175 const_iv (FS_XFLAG_DAX)
1176 const_iv (FS_XFLAG_HASATTR)
1177
1178 const_iv (FIEMAP_FLAG_SYNC)
1179 const_iv (FIEMAP_FLAG_XATTR)
1180 const_iv (FIEMAP_FLAGS_COMPAT)
1181 const_iv (FIEMAP_EXTENT_LAST)
1182 const_iv (FIEMAP_EXTENT_UNKNOWN)
1183 const_iv (FIEMAP_EXTENT_DELALLOC)
1184 const_iv (FIEMAP_EXTENT_ENCODED)
1185 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1186 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1187 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1188 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1189 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1190 const_iv (FIEMAP_EXTENT_MERGED)
1191 const_iv (FIEMAP_EXTENT_SHARED)
1192
1193 const_iv (SPLICE_F_MOVE)
1194 const_iv (SPLICE_F_NONBLOCK)
1195 const_iv (SPLICE_F_MORE)
1196 const_iv (SPLICE_F_GIFT)
1197
1198 const_iv (EFD_CLOEXEC)
1199 const_iv (EFD_NONBLOCK)
1200 const_iv (EFD_SEMAPHORE)
1201
1202 const_iv (CLOCK_REALTIME)
1203 const_iv (CLOCK_MONOTONIC)
1204 const_iv (CLOCK_BOOTTIME)
1205 const_iv (CLOCK_REALTIME_ALARM)
1206 const_iv (CLOCK_BOOTTIME_ALARM)
1207
1208 const_iv (TFD_NONBLOCK)
1209 const_iv (TFD_CLOEXEC)
1210
1211 const_iv (TFD_TIMER_ABSTIME)
1212 const_iv (TFD_TIMER_CANCEL_ON_SET)
1213
1214 /* these are libeio constants, and are independent of gendef0 */
1215 const_eio (SEEK_SET)
1216 const_eio (SEEK_CUR)
1217 const_eio (SEEK_END)
1218
757 const_iv (MCL_FUTURE) 1219 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 1220 const_eio (MCL_CURRENT)
759 1221
760 const_eio (MS_ASYNC) 1222 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 1223 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 1224 const_eio (MS_SYNC)
763 1225
764 const_eio (MT_MODIFY) 1226 const_eio (MT_MODIFY)
765 1227
766 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1228 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767 const_eio (SYNC_FILE_RANGE_WRITE) 1229 const_eio (SYNC_FILE_RANGE_WRITE)
768 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1230 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1231
1232 const_eio (FALLOC_FL_KEEP_SIZE)
1233 const_eio (FALLOC_FL_PUNCH_HOLE)
1234 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1235 const_eio (FALLOC_FL_ZERO_RANGE)
1236 const_eio (FALLOC_FL_INSERT_RANGE)
1237 const_eio (FALLOC_FL_UNSHARE_RANGE)
1238
1239 const_eio (RENAME_NOREPLACE)
1240 const_eio (RENAME_EXCHANGE)
1241 const_eio (RENAME_WHITEOUT)
769 1242
770 const_eio (READDIR_DENTS) 1243 const_eio (READDIR_DENTS)
771 const_eio (READDIR_DIRS_FIRST) 1244 const_eio (READDIR_DIRS_FIRST)
772 const_eio (READDIR_STAT_ORDER) 1245 const_eio (READDIR_STAT_ORDER)
773 const_eio (READDIR_FOUND_UNKNOWN) 1246 const_eio (READDIR_FOUND_UNKNOWN)
… …
784 }; 1257 };
785 1258
786 aio_stash = gv_stashpv ("IO::AIO" , 1); 1259 aio_stash = gv_stashpv ("IO::AIO" , 1);
787 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1260 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1261 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1262 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789 1263
790 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1264 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1265 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792 1266
793 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1267 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794 1268
795 create_respipe (); 1269 reinit ();
796
797 if (eio_init (want_poll, done_poll) < 0)
798 croak ("IO::AIO: unable to initialise eio library");
799
800 /* atfork child called in fifo order, so before eio's handler */
801 X_THREAD_ATFORK (0, 0, atfork_child);
802} 1270}
803 1271
804void 1272void
1273reinit ()
1274 PROTOTYPE:
1275
1276void
805max_poll_reqs (int nreqs) 1277max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 1278 PROTOTYPE: $
807 CODE: 1279 CODE:
808 eio_set_max_poll_reqs (nreqs); 1280 eio_set_max_poll_reqs (nreqs);
809 1281
810void 1282void
… …
812 PROTOTYPE: $ 1284 PROTOTYPE: $
813 CODE: 1285 CODE:
814 eio_set_max_poll_time (nseconds); 1286 eio_set_max_poll_time (nseconds);
815 1287
816void 1288void
817min_parallel (int nthreads) 1289min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 1290 PROTOTYPE: $
819 CODE: 1291 CODE:
820 eio_set_min_parallel (nthreads); 1292 eio_set_min_parallel (nthreads);
821 1293
822void 1294void
823max_parallel (int nthreads) 1295max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 1296 PROTOTYPE: $
825 CODE: 1297 CODE:
826 eio_set_max_parallel (nthreads); 1298 eio_set_max_parallel (nthreads);
827 1299
828void 1300void
829max_idle (int nthreads) 1301max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 1302 PROTOTYPE: $
831 CODE: 1303 CODE:
832 eio_set_max_idle (nthreads); 1304 eio_set_max_idle (nthreads);
833 1305
834void 1306void
1307idle_timeout (unsigned int seconds)
1308 PROTOTYPE: $
1309 CODE:
1310 eio_set_idle_timeout (seconds);
1311
1312void
835max_outstanding (int maxreqs) 1313max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 1314 PROTOTYPE: $
837 CODE: 1315 CODE:
838 max_outstanding = maxreqs; 1316 max_outstanding = maxreqs;
839 1317
840void 1318void
841aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1319aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
842 PROTOTYPE: $$$;$
843 PPCODE: 1320 PPCODE:
844{ 1321{
845 dREQ; 1322 dREQ;
846 1323
1324 req->type = EIO_WD_OPEN;
1325 req_set_path1 (req, pathname);
1326
1327 REQ_SEND;
1328}
1329
1330void
1331aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1332 PPCODE:
1333{
1334 dREQ;
1335
847 req->type = EIO_OPEN; 1336 req->type = EIO_OPEN;
848 req->sv1 = newSVsv (pathname); 1337 req_set_path1 (req, pathname);
849 req->ptr1 = SvPVbyte_nolen (req->sv1);
850 req->int1 = flags; 1338 req->int1 = flags;
851 req->int2 = mode; 1339 req->int2 = mode;
852 1340
853 REQ_SEND; 1341 REQ_SEND;
854} 1342}
855 1343
856void 1344void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1345aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 1346 ALIAS:
860 aio_fsync = EIO_FSYNC 1347 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 1348 aio_fdatasync = EIO_FDATASYNC
1349 aio_syncfs = EIO_SYNCFS
862 PPCODE: 1350 PPCODE:
863{ 1351{
864 int fd = s_fileno_croak (fh, 0); 1352 int fd = s_fileno_croak (fh, 0);
865 dREQ; 1353 dREQ;
866 1354
867 req->type = ix; 1355 req->type = ix;
868 req->sv1 = newSVsv (fh); 1356 req->sv1 = newSVsv (fh);
869 req->int1 = fd; 1357 req->int1 = fd;
870 1358
871 REQ_SEND (req); 1359 REQ_SEND;
872} 1360}
873 1361
874void 1362void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1363aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 1364 PPCODE:
878{ 1365{
879 int fd = s_fileno_croak (fh, 0); 1366 int fd = s_fileno_croak (fh, 0);
880 dREQ; 1367 dREQ;
881 1368
882 req->type = EIO_SYNC_FILE_RANGE; 1369 req->type = EIO_SYNC_FILE_RANGE;
883 req->sv1 = newSVsv (fh); 1370 req->sv1 = newSVsv (fh);
884 req->int1 = fd; 1371 req->int1 = fd;
885 req->offs = offset; 1372 req->offs = offset;
886 req->size = nbytes; 1373 req->size = nbytes;
887 req->int2 = flags; 1374 req->int2 = flags;
888 1375
889 REQ_SEND (req); 1376 REQ_SEND;
890} 1377}
891 1378
892void 1379void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 1380aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 1381 PPCODE:
896{ 1382{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 1383 int fd = s_fileno_croak (fh, 0);
899 dREQ; 1384 dREQ;
900 1385
901 if (close_pipe < 0) 1386 req->type = EIO_FALLOCATE;
1387 req->sv1 = newSVsv (fh);
1388 req->int1 = fd;
1389 req->int2 = mode;
1390 req->offs = offset;
1391 req->size = len;
1392
1393 REQ_SEND;
1394}
1395
1396void
1397aio_close (SV *fh, SV *callback = &PL_sv_undef)
1398 PPCODE:
1399{
1400 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1401 int fd = s_fileno_croak (fh, 0);
1402 dREQ;
1403
1404 if (expect_false (close_fd < 0))
902 { 1405 {
903 int pipefd [2]; 1406 int pipefd [2];
904 1407
1408 if (
1409#ifdef _WIN32
1410 _pipe (pipefd, 1, _O_BINARY) < 0
1411#else
905 if (pipe (pipefd) < 0 1412 pipe (pipefd) < 0
906 || close (pipefd [1]) < 0
907 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1413 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1414#endif
1415 || close (pipefd [1]) < 0
1416 )
908 abort (); /*D*/ 1417 abort (); /*D*/
909 1418
910 close_pipe = pipefd [0]; 1419 close_fd = pipefd [0];
911 } 1420 }
912 1421
913 req->type = EIO_DUP2; 1422 req->type = EIO_DUP2;
914 req->int1 = close_pipe; 1423 req->int1 = close_fd;
915 req->sv2 = newSVsv (fh); 1424 req->sv2 = newSVsv (fh);
916 req->int2 = fd; 1425 req->int2 = fd;
917 1426
918 REQ_SEND (req); 1427 REQ_SEND;
919} 1428}
920 1429
921void 1430void
1431aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1432 PPCODE:
1433{
1434 int fd = s_fileno_croak (fh, 0);
1435 dREQ;
1436
1437 req->type = EIO_SEEK;
1438 req->sv1 = newSVsv (fh);
1439 req->int1 = fd;
1440 req->offs = SvVAL64 (offset);
1441 req->int2 = whence;
1442
1443 REQ_SEND;
1444}
1445
1446void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1447aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
923 ALIAS: 1448 ALIAS:
924 aio_read = EIO_READ 1449 aio_read = EIO_READ
925 aio_write = EIO_WRITE 1450 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 1451 PPCODE:
928{ 1452{
929 STRLEN svlen; 1453 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1454 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 1455 char *svptr = SvPVbyte (data, svlen);
… …
944 len = svlen - dataoffset; 1468 len = svlen - dataoffset;
945 } 1469 }
946 else 1470 else
947 { 1471 {
948 /* read: check type and grow scalar as necessary */ 1472 /* read: check type and grow scalar as necessary */
949 SvUPGRADE (data, SVt_PV); 1473 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
950 svptr = SvGROW (data, len + dataoffset + 1); 1474 svptr = sv_grow (data, len + dataoffset + 1);
1475 else if (SvCUR (data) < len + dataoffset)
1476 croak ("length + dataoffset outside of scalar, and cannot grow");
951 } 1477 }
952 1478
953 { 1479 {
954 dREQ; 1480 dREQ;
955 1481
… …
971 REQ_SEND; 1497 REQ_SEND;
972 } 1498 }
973} 1499}
974 1500
975void 1501void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1502aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
977 PROTOTYPE: $$;$ 1503 ALIAS:
1504 aio_ioctl = EIO_IOCTL
1505 aio_fcntl = EIO_FCNTL
978 PPCODE: 1506 PPCODE:
979{ 1507{
980 SV *data; 1508 int fd = s_fileno_croak (fh, 0);
1509 char *svptr;
1510
1511 if (SvPOK (arg) || !SvNIOK (arg))
1512 {
1513 STRLEN svlen;
1514 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1515#ifdef IOCPARM_LEN
1516 STRLEN need = IOCPARM_LEN (request);
1517#else
1518 STRLEN need = 256;
1519#endif
1520
1521 if (svlen < need)
1522 svptr = SvGROW (arg, need);
1523 }
1524 else
1525 svptr = (char *)SvIV (arg);
1526
1527 {
1528 dREQ;
1529
1530 req->type = ix;
1531 req->sv1 = newSVsv (fh);
1532 req->int1 = fd;
1533 req->int2 = (long)request;
1534 req->sv2 = SvREFCNT_inc (arg);
1535 req->ptr2 = svptr;
1536
1537 REQ_SEND;
1538 }
1539}
1540
1541void
1542aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1543 ALIAS:
1544 aio_readlink = EIO_READLINK
1545 aio_realpath = EIO_REALPATH
1546 PPCODE:
1547{
981 dREQ; 1548 dREQ;
982 1549
983 req->type = EIO_READLINK; 1550 req->type = ix;
984 req->sv1 = newSVsv (path); 1551 req_set_path1 (req, pathname);
985 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 1552
987 REQ_SEND; 1553 REQ_SEND;
988} 1554}
989 1555
990void 1556void
991aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1557aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1558 PPCODE:
994{ 1559{
995 int ifd = s_fileno_croak (in_fh , 0); 1560 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1561 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1562 dREQ;
998 1563
999 req->type = EIO_SENDFILE; 1564 req->type = EIO_SENDFILE;
1000 req->sv1 = newSVsv (out_fh); 1565 req->sv1 = newSVsv (out_fh);
1001 req->int1 = ofd; 1566 req->int1 = ofd;
… …
1006 1571
1007 REQ_SEND; 1572 REQ_SEND;
1008} 1573}
1009 1574
1010void 1575void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1576aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1577 PPCODE:
1014{ 1578{
1015 int fd = s_fileno_croak (fh, 0); 1579 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1580 dREQ;
1017 1581
1018 req->type = EIO_READAHEAD; 1582 req->type = EIO_READAHEAD;
1019 req->sv1 = newSVsv (fh); 1583 req->sv1 = newSVsv (fh);
1020 req->int1 = fd; 1584 req->int1 = fd;
… …
1023 1587
1024 REQ_SEND; 1588 REQ_SEND;
1025} 1589}
1026 1590
1027void 1591void
1028aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1592aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1029 ALIAS: 1593 ALIAS:
1030 aio_stat = EIO_STAT 1594 aio_stat = EIO_STAT
1031 aio_lstat = EIO_LSTAT 1595 aio_lstat = EIO_LSTAT
1032 aio_statvfs = EIO_STATVFS 1596 aio_statvfs = EIO_STATVFS
1033 PPCODE: 1597 PPCODE:
1034{ 1598{
1035 dREQ; 1599 dREQ;
1036 1600
1037 req->sv1 = newSVsv (fh_or_path); 1601 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039 if (SvPOK (req->sv1))
1040 {
1041 req->type = ix;
1042 req->ptr1 = SvPVbyte_nolen (req->sv1);
1043 }
1044 else
1045 {
1046 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048 }
1049 1602
1050 REQ_SEND; 1603 REQ_SEND;
1051} 1604}
1052 1605
1606UV
1607major (UV dev)
1608 ALIAS:
1609 minor = 1
1610 CODE:
1611 RETVAL = ix ? minor (dev) : major (dev);
1612 OUTPUT:
1613 RETVAL
1614
1615UV
1616makedev (UV maj, UV min)
1617 CODE:
1618 RETVAL = makedev (maj, min);
1619 OUTPUT:
1620 RETVAL
1621
1053void 1622void
1054aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1623aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1055 PPCODE: 1624 PPCODE:
1056{ 1625{
1057 dREQ; 1626 dREQ;
1058 1627
1059 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1628 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1629 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061 req->sv1 = newSVsv (fh_or_path); 1630 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063 if (SvPOK (req->sv1))
1064 {
1065 req->type = EIO_UTIME;
1066 req->ptr1 = SvPVbyte_nolen (req->sv1);
1067 }
1068 else
1069 {
1070 req->type = EIO_FUTIME;
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 }
1073 1631
1074 REQ_SEND; 1632 REQ_SEND;
1075} 1633}
1076 1634
1077void 1635void
1078aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1636aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1079 PPCODE: 1637 PPCODE:
1080{ 1638{
1081 dREQ; 1639 dREQ;
1082 1640
1083 req->sv1 = newSVsv (fh_or_path);
1084 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1641 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085 1642 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = EIO_TRUNCATE;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FTRUNCATE;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1643
1097 REQ_SEND; 1644 REQ_SEND;
1098} 1645}
1099 1646
1100void 1647void
1101aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1648aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1102 ALIAS:
1103 aio_chmod = EIO_CHMOD
1104 aio_mkdir = EIO_MKDIR
1105 PPCODE: 1649 PPCODE:
1106{ 1650{
1107 dREQ; 1651 dREQ;
1108 1652
1109 req->int2 = mode; 1653 req->int2 = mode;
1110 req->sv1 = newSVsv (fh_or_path); 1654 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112 if (SvPOK (req->sv1))
1113 {
1114 req->type = ix;
1115 req->ptr1 = SvPVbyte_nolen (req->sv1);
1116 }
1117 else
1118 {
1119 req->type = EIO_FCHMOD;
1120 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121 }
1122 1655
1123 REQ_SEND; 1656 REQ_SEND;
1124} 1657}
1125 1658
1126void 1659void
1127aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1660aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1128 PPCODE: 1661 PPCODE:
1129{ 1662{
1130 dREQ; 1663 dREQ;
1131 1664
1132 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1665 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1666 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134 req->sv1 = newSVsv (fh_or_path); 1667 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136 if (SvPOK (req->sv1))
1137 {
1138 req->type = EIO_CHOWN;
1139 req->ptr1 = SvPVbyte_nolen (req->sv1);
1140 }
1141 else
1142 {
1143 req->type = EIO_FCHOWN;
1144 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145 }
1146 1668
1147 REQ_SEND; 1669 REQ_SEND;
1148} 1670}
1149 1671
1150void 1672void
1151aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1673aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1152 PPCODE: 1674 PPCODE:
1153{ 1675{
1154 dREQ; 1676 dREQ;
1155 1677
1156 req->type = EIO_READDIR; 1678 req->type = EIO_READDIR;
1157 req->sv1 = newSVsv (pathname);
1158 req->ptr1 = SvPVbyte_nolen (req->sv1);
1159 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1679 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160 1680
1161 if (flags & EIO_READDIR_DENTS) 1681 if (flags & EIO_READDIR_DENTS)
1162 req->int1 |= EIO_READDIR_CUSTOM2; 1682 req->int1 |= EIO_READDIR_CUSTOM2;
1163 1683
1684 req_set_path1 (req, pathname);
1685
1164 REQ_SEND; 1686 REQ_SEND;
1165} 1687}
1166 1688
1167void 1689void
1690aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1691 PPCODE:
1692{
1693 dREQ;
1694
1695 req->type = EIO_MKDIR;
1696 req->int2 = mode;
1697 req_set_path1 (req, pathname);
1698
1699 REQ_SEND;
1700}
1701
1702void
1168aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1703aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1169 ALIAS: 1704 ALIAS:
1170 aio_unlink = EIO_UNLINK 1705 aio_unlink = EIO_UNLINK
1171 aio_rmdir = EIO_RMDIR 1706 aio_rmdir = EIO_RMDIR
1172 aio_readdir = EIO_READDIR 1707 aio_readdir = EIO_READDIR
1173 PPCODE: 1708 PPCODE:
1174{ 1709{
1175 dREQ; 1710 dREQ;
1176 1711
1177 req->type = ix; 1712 req->type = ix;
1178 req->sv1 = newSVsv (pathname); 1713 req_set_path1 (req, pathname);
1179 req->ptr1 = SvPVbyte_nolen (req->sv1);
1180 1714
1181 REQ_SEND; 1715 REQ_SEND;
1182} 1716}
1183 1717
1184void 1718void
1185aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1719aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1186 ALIAS: 1720 ALIAS:
1187 aio_link = EIO_LINK 1721 aio_link = EIO_LINK
1188 aio_symlink = EIO_SYMLINK 1722 aio_symlink = EIO_SYMLINK
1189 aio_rename = EIO_RENAME 1723 aio_rename = EIO_RENAME
1190 PPCODE: 1724 PPCODE:
1191{ 1725{
1726 eio_wd wd2 = 0;
1192 dREQ; 1727 dREQ;
1193 1728
1194 req->type = ix; 1729 req->type = ix;
1195 req->sv1 = newSVsv (oldpath); 1730 req_set_path1 (req, oldpath);
1196 req->ptr1 = SvPVbyte_nolen (req->sv1); 1731 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197 req->sv2 = newSVsv (newpath); 1732 req->int3 = (long)wd2;
1198 req->ptr2 = SvPVbyte_nolen (req->sv2);
1199 1733
1200 REQ_SEND; 1734 REQ_SEND;
1201} 1735}
1202 1736
1203void 1737void
1738aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1739 PPCODE:
1740{
1741 eio_wd wd2 = 0;
1742 dREQ;
1743
1744 req->type = EIO_RENAME;
1745 req_set_path1 (req, oldpath);
1746 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1747 req->int2 = flags;
1748 req->int3 = (long)wd2;
1749
1750 REQ_SEND;
1751}
1752
1753void
1204aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1754aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1205 PPCODE: 1755 PPCODE:
1206{ 1756{
1207 dREQ; 1757 dREQ;
1208 1758
1209 req->type = EIO_MKNOD; 1759 req->type = EIO_MKNOD;
1210 req->sv1 = newSVsv (pathname);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1);
1212 req->int2 = (mode_t)mode; 1760 req->int2 = (mode_t)mode;
1213 req->offs = dev; 1761 req->offs = dev;
1762 req_set_path1 (req, pathname);
1214 1763
1215 REQ_SEND; 1764 REQ_SEND;
1216} 1765}
1217 1766
1218void 1767void
1219aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1768aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1220 ALIAS: 1769 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 1770 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 1771 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 1772 PPCODE:
1225{ 1773{
1226 STRLEN svlen; 1774 STRLEN svlen;
1775 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 1776 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen); 1777
1778 if (flags < 0)
1779 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1229 1780
1230 if (offset < 0) 1781 if (offset < 0)
1231 offset += svlen; 1782 offset += svlen;
1232 1783
1233 if (offset < 0 || offset > svlen) 1784 if (offset < 0 || offset > svlen)
… …
1238 1789
1239 { 1790 {
1240 dREQ; 1791 dREQ;
1241 1792
1242 req->type = ix; 1793 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 1794 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 1795 req->ptr2 = (char *)svptr + offset;
1796 req->size = len;
1246 req->int1 = flags; 1797 req->int1 = flags;
1247 1798
1248 REQ_SEND; 1799 REQ_SEND;
1249 } 1800 }
1250} 1801}
1251 1802
1252void 1803void
1804aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1805 PPCODE:
1806{
1807 STRLEN svlen;
1808 char *svptr = SvPVbyte (data, svlen);
1809 UV len = SvUV (length);
1810
1811 if (offset < 0)
1812 offset += svlen;
1813
1814 if (offset < 0 || offset > svlen)
1815 croak ("offset outside of scalar");
1816
1817 if (!SvOK (length) || len + offset > svlen)
1818 len = svlen - offset;
1819
1820 {
1821 dREQ;
1822
1823 req->type = EIO_MLOCK;
1824 req->sv2 = SvREFCNT_inc (data);
1825 req->ptr2 = (char *)svptr + offset;
1826 req->size = len;
1827
1828 REQ_SEND;
1829 }
1830}
1831
1832void
1833aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1834 PPCODE:
1835{
1836 dREQ;
1837
1838 req->type = EIO_MLOCKALL;
1839 req->int1 = flags;
1840
1841 REQ_SEND;
1842}
1843
1844void
1845aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1846 PPCODE:
1847{
1848 int fd = s_fileno_croak (fh, 0);
1849 dREQ;
1850
1851 req->type = EIO_CUSTOM;
1852 req->sv1 = newSVsv (fh);
1853 req->int1 = fd;
1854
1855 req->feed = fiemap;
1856#if HAVE_FIEMAP
1857 /* keep our fingers crossed that the next two types are 64 bit */
1858 req->offs = start;
1859 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1860 req->int2 = flags;
1861 req->int3 = SvOK (count) ? SvIV (count) : -1;
1862#endif
1863
1864 REQ_SEND;
1865}
1866
1867void
1868aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1869 PPCODE:
1870{
1871 char *svptr = 0;
1872
1873 sv_clear_foreign (data);
1874
1875 if (length) /* known length, directly read into scalar */
1876 {
1877 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1878 svptr = sv_grow (data, length + 1);
1879 else if (SvCUR (data) < length)
1880 croak ("length outside of scalar, and cannot grow");
1881 else
1882 svptr = SvPVbyte_nolen (data);
1883 }
1884
1885 {
1886 dREQ;
1887
1888 req->type = EIO_SLURP;
1889 req_set_path1 (req, pathname);
1890 req->offs = offset;
1891 req->size = length;
1892 req->sv2 = SvREFCNT_inc (data);
1893 req->ptr2 = svptr;
1894
1895 if (!SvREADONLY (data))
1896 {
1897 SvREADONLY_on (data);
1898 req->flags |= FLAG_SV2_RO_OFF;
1899 }
1900
1901 REQ_SEND;
1902 }
1903}
1904
1905void
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 1906aio_busy (double delay, SV *callback = &PL_sv_undef)
1254 PPCODE: 1907 PPCODE:
1255{ 1908{
1256 dREQ; 1909 dREQ;
1257 1910
1258 req->type = EIO_BUSY; 1911 req->type = EIO_BUSY;
… …
1260 1913
1261 REQ_SEND; 1914 REQ_SEND;
1262} 1915}
1263 1916
1264void 1917void
1265aio_group (SV *callback=&PL_sv_undef) 1918aio_group (SV *callback = &PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 1919 PPCODE:
1268{ 1920{
1269 dREQ; 1921 dREQ;
1270 1922
1271 req->type = EIO_GROUP; 1923 req->type = EIO_GROUP;
1272 1924
1925 PUTBACK;
1273 req_submit (req); 1926 req_submit (req);
1927 SPAGAIN;
1928
1274 XPUSHs (req_sv (req, aio_grp_stash)); 1929 XPUSHs (req_sv (req, aio_grp_stash));
1275} 1930}
1276 1931
1277void 1932void
1278aio_nop (SV *callback=&PL_sv_undef) 1933aio_nop (SV *callback = &PL_sv_undef)
1279 ALIAS: 1934 ALIAS:
1280 aio_nop = EIO_NOP 1935 aio_nop = EIO_NOP
1281 aio_sync = EIO_SYNC 1936 aio_sync = EIO_SYNC
1282 PPCODE: 1937 PPCODE:
1283{ 1938{
… …
1287 1942
1288 REQ_SEND; 1943 REQ_SEND;
1289} 1944}
1290 1945
1291int 1946int
1292aioreq_pri (int pri = 0) 1947aioreq_pri (int pri = NO_INIT)
1293 PROTOTYPE: ;$
1294 CODE: 1948 CODE:
1295 RETVAL = next_pri; 1949 RETVAL = next_pri;
1296 if (items > 0) 1950 if (items > 0)
1297 { 1951 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1952 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1964 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 1965 next_pri = nice;
1312 1966
1313void 1967void
1314flush () 1968flush ()
1315 PROTOTYPE:
1316 CODE: 1969 CODE:
1317 while (eio_nreqs ()) 1970 while (eio_nreqs ())
1318 { 1971 {
1319 poll_wait (); 1972 poll_wait ();
1320 poll_cb (); 1973 poll_cb ();
1321 } 1974 }
1322 1975
1323int 1976int
1324poll() 1977poll ()
1325 PROTOTYPE:
1326 CODE: 1978 CODE:
1327 poll_wait (); 1979 poll_wait ();
1328 RETVAL = poll_cb (); 1980 RETVAL = poll_cb ();
1329 OUTPUT: 1981 OUTPUT:
1330 RETVAL 1982 RETVAL
1331 1983
1332int 1984int
1333poll_fileno() 1985poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 1986 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 1987 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 1988 OUTPUT:
1338 RETVAL 1989 RETVAL
1339 1990
1340int 1991int
1341poll_cb(...) 1992poll_cb (...)
1342 PROTOTYPE: 1993 PROTOTYPE:
1343 CODE: 1994 CODE:
1344 RETVAL = poll_cb (); 1995 RETVAL = poll_cb ();
1345 OUTPUT: 1996 OUTPUT:
1346 RETVAL 1997 RETVAL
1347 1998
1348void 1999void
1349poll_wait() 2000poll_wait ()
1350 PROTOTYPE:
1351 CODE: 2001 CODE:
1352 poll_wait (); 2002 poll_wait ();
1353 2003
1354int 2004int
1355nreqs() 2005nreqs ()
1356 PROTOTYPE:
1357 CODE: 2006 CODE:
1358 RETVAL = eio_nreqs (); 2007 RETVAL = eio_nreqs ();
1359 OUTPUT: 2008 OUTPUT:
1360 RETVAL 2009 RETVAL
1361 2010
1362int 2011int
1363nready() 2012nready ()
1364 PROTOTYPE:
1365 CODE: 2013 CODE:
1366 RETVAL = eio_nready (); 2014 RETVAL = eio_nready ();
1367 OUTPUT: 2015 OUTPUT:
1368 RETVAL 2016 RETVAL
1369 2017
1370int 2018int
1371npending() 2019npending ()
1372 PROTOTYPE:
1373 CODE: 2020 CODE:
1374 RETVAL = eio_npending (); 2021 RETVAL = eio_npending ();
1375 OUTPUT: 2022 OUTPUT:
1376 RETVAL 2023 RETVAL
1377 2024
1378int 2025int
1379nthreads() 2026nthreads ()
1380 PROTOTYPE:
1381 CODE: 2027 CODE:
1382 RETVAL = eio_nthreads (); 2028 RETVAL = eio_nthreads ();
1383 OUTPUT: 2029 OUTPUT:
1384 RETVAL 2030 RETVAL
1385 2031
1386int 2032int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2033fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 2034 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 2035 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 2036 OUTPUT:
1396 RETVAL 2037 RETVAL
1397 2038
1398ssize_t 2039IV
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2040sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 2041 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2042 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 2043 OUTPUT:
1404 RETVAL 2044 RETVAL
1405 2045
1406void 2046void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2047mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 2048 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 2049 sv_clear_foreign (scalar);
1411{ 2050{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2051 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2052 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1414 if (addr == (void *)-1) 2053 if (addr == (void *)-1)
1415 XSRETURN_NO; 2054 XSRETURN_NO;
1416 2055
1417 sv_force_normal (scalar); 2056 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1418
1419 /* we store the length in mg_obj, as namlen is I32 :/ */
1420 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1421 ->mg_obj = (SV *)length;
1422
1423 SvUPGRADE (scalar, SVt_PV); /* nop... */
1424 2057
1425 if (!(prot & PROT_WRITE)) 2058 if (!(prot & PROT_WRITE))
1426 SvREADONLY_on (scalar); 2059 SvREADONLY_on (scalar);
1427 2060
1428 if (SvLEN (scalar))
1429 Safefree (SvPVX (scalar));
1430
1431 SvPVX (scalar) = (char *)addr;
1432 SvCUR_set (scalar, length);
1433 SvLEN_set (scalar, 0);
1434 SvPOK_only (scalar);
1435
1436 XSRETURN_YES; 2061 XSRETURN_YES;
1437} 2062}
1438 2063
1439void 2064void
1440munmap (SV *scalar) 2065munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 2066 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 2067 sv_clear_foreign (scalar);
1444 2068
1445int 2069SV *
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 2070mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
1447 PROTOTYPE: $$$$ 2071 CODE:
1448 CODE:
1449{ 2072{
1450 char *addr = SvPV_nolen (scalar) + offset; 2073 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2074 void *new;
1451 2075
1452 if (!SvOK (ST (2))) 2076 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1453 length = SvCUR (scalar) - offset; 2077 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1454 2078
1455 if (addr >= SvEND (scalar) || length <= 0) 2079 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1456 XSRETURN_EMPTY;
1457 2080
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 2081 RETVAL = &PL_sv_no;
1459 RETVAL = posix_madvise (addr, length, advice); 2082
1460 #else 2083 if (new != (void *)-1)
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 2084 {
1462 #endif 2085 RETVAL = new == (void *)mg->mg_ptr
2086 ? newSVpvn ("0 but true", 10)
2087 : &PL_sv_yes;
2088
2089 mg->mg_ptr = (char *)new;
2090 mg->mg_obj = (SV *)new_length;
2091
2092 SvPVX (scalar) = mg->mg_ptr;
2093 SvCUR_set (scalar, new_length);
2094 }
1463} 2095}
1464 OUTPUT: 2096 OUTPUT:
1465 RETVAL 2097 RETVAL
1466 2098
1467int 2099int
1468mlockall (int flags) 2100madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2101 ALIAS:
2102 mprotect = 1
1470 CODE: 2103 CODE:
2104{
2105 STRLEN svlen;
2106 void *addr = SvPVbyte (scalar, svlen);
2107 STRLEN len = SvUV (length);
2108
2109 if (offset < 0)
2110 offset += svlen;
2111
2112 if (offset < 0 || offset > svlen)
2113 croak ("offset outside of scalar");
2114
2115 if (!SvOK (length) || len + offset > svlen)
2116 len = svlen - offset;
2117
2118 addr = (void *)(((intptr_t)addr) + offset);
2119 eio_page_align (&addr, &len);
2120
2121 switch (ix)
2122 {
2123 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2124 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2125 }
2126}
2127 OUTPUT:
2128 RETVAL
2129
2130int
2131munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2132 CODE:
2133{
2134 STRLEN svlen;
2135 void *addr = SvPVbyte (scalar, svlen);
2136 size_t len = SvUV (length);
2137
2138 if (offset < 0)
2139 offset += svlen;
2140
2141 if (offset < 0 || offset > svlen)
2142 croak ("offset outside of scalar");
2143
2144 if (!SvOK (length) || len + offset > svlen)
2145 len = svlen - offset;
2146
2147 addr = (void *)(((intptr_t)addr) + offset);
2148 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2149#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2150 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2151#else
1478 RETVAL = -1; 2152 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2153#endif
2154}
1481 OUTPUT: 2155 OUTPUT:
1482 RETVAL 2156 RETVAL
1483 2157
1484int 2158int
1485munlockall () 2159munlockall ()
1486 PROTOTYPE:
1487 CODE: 2160 CODE:
1488#if _POSIX_MEMLOCK 2161#if _POSIX_MEMLOCK
1489 munlockall (); 2162 munlockall ();
1490#else 2163#else
1491 RETVAL = -1; 2164 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2165#endif
1494 OUTPUT: 2166 OUTPUT:
1495 RETVAL 2167 RETVAL
2168
2169int
2170splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2171 CODE:
2172{
2173#if HAVE_LINUX_SPLICE
2174 loff_t off_in_, off_out_;
2175 RETVAL = splice (
2176 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2177 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2178 length, flags
2179 );
2180#else
2181 RETVAL = EIO_ENOSYS ();
2182#endif
2183}
2184 OUTPUT:
2185 RETVAL
2186
2187int
2188tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2189 CODE:
2190#if HAVE_LINUX_SPLICE
2191 RETVAL = tee (rfh, wfh, length, flags);
2192#else
2193 RETVAL = EIO_ENOSYS ();
2194#endif
2195 OUTPUT:
2196 RETVAL
2197
2198int
2199pipesize (aio_rfd rfh, int new_size = -1)
2200 PROTOTYPE: $;$
2201 CODE:
2202#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2203 if (new_size >= 0)
2204 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2205 else
2206 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2207#else
2208 errno = ENOSYS;
2209 RETVAL = -1;
2210#endif
2211 OUTPUT:
2212 RETVAL
2213
2214void
2215pipe2 (int flags = 0)
2216 PROTOTYPE: ;$
2217 PPCODE:
2218{
2219 int fd[2];
2220 int res;
2221
2222 if (flags)
2223#if HAVE_PIPE2
2224 res = pipe2 (fd, flags);
2225#else
2226 res = (errno = ENOSYS, -1);
2227#endif
2228 else
2229 res = pipe (fd);
2230
2231 if (!res)
2232 {
2233 EXTEND (SP, 2);
2234 PUSHs (newmortalFH (fd[0], O_RDONLY));
2235 PUSHs (newmortalFH (fd[1], O_WRONLY));
2236 }
2237}
2238
2239void
2240eventfd (unsigned int initval = 0, int flags = 0)
2241 PPCODE:
2242{
2243 int fd;
2244#if HAVE_EVENTFD
2245 fd = eventfd (initval, flags);
2246#else
2247 fd = (errno = ENOSYS, -1);
2248#endif
2249
2250 XPUSHs (newmortalFH (fd, O_RDWR));
2251}
2252
2253void
2254timerfd_create (int clockid, int flags = 0)
2255 PPCODE:
2256{
2257 int fd;
2258#if HAVE_TIMERFD
2259 fd = timerfd_create (clockid, flags);
2260#else
2261 fd = (errno = ENOSYS, -1);
2262#endif
2263
2264 XPUSHs (newmortalFH (fd, O_RDWR));
2265}
2266
2267void
2268timerfd_settime (SV *fh, int flags, NV interval, NV value)
2269 PPCODE:
2270{
2271 int fd = s_fileno_croak (fh, 0);
2272#if HAVE_TIMERFD
2273 int res;
2274 struct itimerspec its, ots;
2275
2276 ts_set (&its.it_interval, interval);
2277 ts_set (&its.it_value , value);
2278 res = timerfd_settime (fd, flags, &its, &ots);
2279
2280 if (!res)
2281 {
2282 EXTEND (SP, 2);
2283 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2284 PUSHs (newSVnv (ts_get (&ots.it_value)));
2285 }
2286#else
2287 errno = ENOSYS;
2288#endif
2289}
2290
2291void
2292timerfd_gettime (SV *fh)
2293 PPCODE:
2294{
2295 int fd = s_fileno_croak (fh, 0);
2296#if HAVE_TIMERFD
2297 int res;
2298 struct itimerspec ots;
2299 res = timerfd_gettime (fd, &ots);
2300
2301 if (!res)
2302 {
2303 EXTEND (SP, 2);
2304 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2305 PUSHs (newSVnv (ts_get (&ots.it_value)));
2306 }
2307#else
2308 errno = ENOSYS;
2309#endif
2310}
2311
2312UV
2313get_fdlimit ()
2314 CODE:
2315#if HAVE_RLIMITS
2316 struct rlimit rl;
2317 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2318 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2319#endif
2320 XSRETURN_UNDEF;
2321 OUTPUT:
2322 RETVAL
2323
2324void
2325min_fdlimit (UV limit = 0x7fffffffU)
2326 CODE:
2327{
2328#if HAVE_RLIMITS
2329 struct rlimit rl;
2330 rlim_t orig_rlim_max;
2331 UV bit;
2332
2333 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2334 goto fail;
2335
2336 if (rl.rlim_cur == RLIM_INFINITY)
2337 XSRETURN_YES;
2338
2339 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2340
2341 if (rl.rlim_cur < limit)
2342 {
2343 rl.rlim_cur = limit;
2344
2345 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2346 rl.rlim_max = rl.rlim_cur;
2347 }
2348
2349 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2350 XSRETURN_YES;
2351
2352 if (errno == EPERM)
2353 {
2354 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2355 /* our limit overflows a system-wide limit */
2356 /* try an adaptive algorithm, but do not lower the hardlimit */
2357 rl.rlim_max = 0;
2358 for (bit = 0x40000000U; bit; bit >>= 1)
2359 {
2360 rl.rlim_max |= bit;
2361 rl.rlim_cur = rl.rlim_max;
2362
2363 /* nevr decrease the hard limit */
2364 if (rl.rlim_max < orig_rlim_max)
2365 break;
2366
2367 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2368 rl.rlim_max &= ~bit; /* too high, remove bit again */
2369 }
2370
2371 /* now, raise the soft limit to the max permitted */
2372 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2373 {
2374 rl.rlim_cur = rl.rlim_max;
2375 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2376 errno = EPERM;
2377 }
2378 }
2379#endif
2380 fail:
2381 XSRETURN_UNDEF;
2382}
1496 2383
1497void _on_next_submit (SV *cb) 2384void _on_next_submit (SV *cb)
1498 CODE: 2385 CODE:
1499 SvREFCNT_dec (on_next_submit); 2386 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2387 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2388
1502PROTOTYPES: DISABLE 2389PROTOTYPES: DISABLE
1503 2390
2391MODULE = IO::AIO PACKAGE = IO::AIO::WD
2392
2393BOOT:
2394{
2395 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2396 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2397}
2398
2399void
2400DESTROY (SV *self)
2401 CODE:
2402{
2403 aio_wd wd = SvAIO_WD (self);
2404#if HAVE_AT
2405 {
2406 SV *callback = &PL_sv_undef;
2407 dREQ; /* clobbers next_pri :/ */
2408 next_pri = req->pri; /* restore next_pri */
2409 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2410 req->type = EIO_WD_CLOSE;
2411 req->wd = wd;
2412 REQ_SEND;
2413 }
2414#else
2415 eio_wd_close_sync (wd);
2416#endif
2417}
2418
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2419MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2420
1506void 2421void
1507cancel (aio_req_ornot req) 2422cancel (aio_req_ornot req)
1508 CODE: 2423 CODE:
1509 eio_cancel (req); 2424 eio_cancel (req);
1510 2425
1511void 2426void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2427cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2428 PPCODE:
1514{ 2429{
1515 if (GIMME_V != G_VOID) 2430 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2431 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2432
1518 if (items > 1) 2433 if (items > 1)
1519 { 2434 {
1520 SV *cb_cv =get_cb (callback); 2435 SV *cb_cv = get_cb (callback);
1521 2436
1522 SvREFCNT_dec (req->callback); 2437 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2438 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2439 }
1525} 2440}
… …
1582limit (aio_req grp, int limit) 2497limit (aio_req grp, int limit)
1583 CODE: 2498 CODE:
1584 eio_grp_limit (grp, limit); 2499 eio_grp_limit (grp, limit);
1585 2500
1586void 2501void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2502feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2503 CODE:
1589{ 2504{
1590 SvREFCNT_dec (grp->sv2); 2505 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2506 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2507 grp->feed = aio_grp_feed;

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