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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC vs.
Revision 1.262 by root, Sun Aug 12 05:21:35 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 22
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 23#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 24# include <sys/mman.h>
25#endif
26
27/* the incompetent fool that created musl keeps __linux__, refuses
28 * to implement any linux standard apis, and also has no way to test
29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
31 */
32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
33# include <linux/fs.h>
34# ifdef FS_IOC_FIEMAP
35# include <linux/types.h>
36# include <linux/fiemap.h>
37# define HAVE_FIEMAP 1
38# endif
23#endif 39#endif
24 40
25/* perl namespace pollution */ 41/* perl namespace pollution */
26#undef VERSION 42#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 43
77/* perl stupidly overrides readdir and maybe others */ 44/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 45/* with thread-unsafe versions, imagine that :( */
79#undef readdir 46#undef readdir
80#undef opendir 47#undef opendir
81#undef closedir 48#undef closedir
82 49
50#ifdef _WIN32
51
52 // perl overrides all those nice libc functions
53
54 #undef malloc
55 #undef free
56 #undef open
57 #undef read
58 #undef write
59 #undef send
60 #undef recv
61 #undef stat
62 #undef lstat
63 #undef fstat
64 #undef truncate
65 #undef ftruncate
66 #undef open
67 #undef link
68 #undef close
69 #undef unlink
70 #undef mkdir
71 #undef rmdir
72 #undef rename
73 #undef lseek
74 #undef opendir
75 #undef readdir
76 #undef closedir
77 #undef chmod
78 #undef fchmod
79 #undef dup
80 #undef dup2
81 #undef abort
82 #undef pipe
83
84 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 85 #define EIO_STRUCT_STATI64
84 86
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 87#else
91# define VAL64 NV 88
92# define SvVAL64 SvNV 89 #include <sys/time.h>
93# define newSVval64 newSVnv 90 #include <sys/select.h>
91 #include <unistd.h>
92 #include <utime.h>
93 #include <signal.h>
94
95 #define EIO_STRUCT_STAT Stat_t
96
94#endif 97#endif
95 98
96/*****************************************************************************/ 99/*****************************************************************************/
97 100
98#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
106 109
107/*****************************************************************************/ 110/*****************************************************************************/
108 111
112#include "config.h"
113
114#if HAVE_ST_XTIMENSEC
115# define ATIMENSEC PL_statcache.st_atimensec
116# define MTIMENSEC PL_statcache.st_mtimensec
117# define CTIMENSEC PL_statcache.st_ctimensec
118#elif HAVE_ST_XTIMESPEC
119# define ATIMENSEC PL_statcache.st_atim.tv_nsec
120# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
121# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
122#else
123# define ATIMENSEC 0
124# define MTIMENSEC 0
125# define CTIMENSEC 0
126#endif
127
128#include "schmorp.h"
129
130#if HAVE_EVENTFD
131# include <sys/eventfd.h>
132#endif
133
134#if HAVE_TIMERFD
135# include <sys/timerfd.h>
136#endif
137
138#if HAVE_RLIMITS
139 #include <sys/time.h>
140 #include <sys/resource.h>
141#endif
142
109typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
112 146
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 147static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 148
115#define EIO_REQ_MEMBERS \ 149#define EIO_REQ_MEMBERS \
116 SV *callback; \ 150 SV *callback; \
117 SV *sv1, *sv2; \ 151 SV *sv1, *sv2; \
152 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 153 STRLEN stroffset; \
119 SV *self; 154 SV *self;
120 155
121#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
122 157
123#include "libeio/eio.h" 158#include "libeio/eio.h"
124 159
125#ifndef POSIX_FADV_NORMAL 160static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 161#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 162static void req_destroy (eio_req *grp);
128#endif 163#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
144 164
145#ifndef ST_NODEV 165#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
175 166
176#ifndef MCL_CURRENT 167#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 168# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 169#endif
179#ifndef MCL_FUTURE 170
180# define MCL_FUTURE 0 171#if !HAVE_POSIX_MADVISE
172# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 173#endif
182 174
183#ifndef MAP_ANONYMOUS 175#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 176# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 177# define MAP_ANONYMOUS MAP_ANON
186# else 178# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 179# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 180# endif
189#endif 181#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
205 182
206#ifndef PAGESIZE 183#ifndef makedev
184# define makedev(maj,min) (((maj) << 8) | (min))
185#endif
186#ifndef major
187# define major(dev) ((dev) >> 8)
188#endif
189#ifndef minor
190# define minor(dev) ((dev) & 0xff)
191#endif
192
193#if PAGESIZE <= 0
207# define PAGESIZE sysconf (_SC_PAGESIZE) 194# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 195#endif
209 196
210static int req_invoke (eio_req *req); 197/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 198
212static void req_destroy (eio_req *grp); 199#if !_POSIX_MAPPED_FILES
213#define EIO_DESTROY(req) req_destroy (req) 200# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
201# define munmap(addr,length) EIO_ENOSYS ()
202#endif
203
204#if !_POSIX_MEMORY_PROTECTION
205# define mprotect(addr,len,prot) EIO_ENOSYS ()
206#endif
207
208#if !MREMAP_MAYMOVE
209# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
210#endif
211
212#define FOREIGN_MAGIC PERL_MAGIC_ext
213
214static int ecb_cold
215mmap_free (pTHX_ SV *sv, MAGIC *mg)
216{
217 int old_errno = errno;
218 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
219 errno = old_errno;
220
221 mg->mg_obj = 0; /* just in case */
222
223 SvREADONLY_off (sv);
224
225 if (SvPVX (sv) != mg->mg_ptr)
226 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
227
228 SvCUR_set (sv, 0);
229 SvPVX (sv) = 0;
230 SvOK_off (sv);
231
232 return 0;
233}
234
235static MGVTBL mmap_vtbl = {
236 0, 0, 0, 0, mmap_free
237};
238
239static int ecb_cold
240sysfree_free (pTHX_ SV *sv, MAGIC *mg)
241{
242 free (mg->mg_ptr);
243 mg->mg_obj = 0; /* just in case */
244
245 SvREADONLY_off (sv);
246
247 if (SvPVX (sv) != mg->mg_ptr)
248 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
249
250 SvCUR_set (sv, 0);
251 SvPVX (sv) = 0;
252 SvOK_off (sv);
253
254 return 0;
255}
256
257static MGVTBL sysfree_vtbl = {
258 0, 0, 0, 0, sysfree_free
259};
260
261/*****************************************************************************/
262
263/* helper: set scalar to foreign ptr with custom free */
264static void
265sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
266{
267 sv_force_normal (sv);
268
269 /* we store the length in mg_obj, as namlen is I32 :/ */
270 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
271 ->mg_obj = (SV *)length;
272
273 SvUPGRADE (sv, SVt_PV); /* nop... */
274
275 if (SvLEN (sv))
276 Safefree (SvPVX (sv));
277
278 SvPVX (sv) = (char *)addr;
279 SvCUR_set (sv, length);
280 SvLEN_set (sv, 0);
281 SvPOK_only (sv);
282}
283
284static void
285sv_clear_foreign (SV *sv)
286{
287 /* todo: iterate over magic and only free ours, but of course */
288 /* the perl5porters will call that (correct) behaviour buggy */
289 sv_unmagic (sv, FOREIGN_MAGIC);
290}
291
292/*****************************************************************************/
293
294/* defines all sorts of constants to 0 unless they are already defined */
295/* also provides const_iv_ and const_niv_ macros for them */
296#include "def0.h"
297
298/*****************************************************************************/
299
300static void
301fiemap (eio_req *req)
302{
303 req->result = -1;
304
305#if HAVE_FIEMAP
306 /* assume some c99 */
307 struct fiemap *fiemap = 0;
308 size_t end_offset;
309 int count = req->int3;
310
311 req->flags |= EIO_FLAG_PTR1_FREE;
312
313 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
314 /* increase in 3.5kb steps */
315 if (count < 0)
316 count = 8;
317
318 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
319 errno = ENOMEM;
320 if (!fiemap)
321 return;
322
323 req->ptr1 = fiemap;
324
325 fiemap->fm_start = req->offs;
326 fiemap->fm_length = req->size;
327 fiemap->fm_flags = req->int2;
328 fiemap->fm_extent_count = count;
329
330 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
331 return;
332
333 if (req->int3 >= 0 /* not autosizing */
334 || !fiemap->fm_mapped_extents /* no more extents */
335 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
336 goto done;
337
338 /* else we have to loop -
339 * it would be tempting (actually I tried that first) to just query the
340 * number of extents needed, but linux often feels like not returning all
341 * extents, without telling us it left any out. this complicates
342 * this quite a bit.
343 */
344
345 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
346
347 for (;;)
348 {
349 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
350 char scratch[3072];
351 struct fiemap *incmap = (struct fiemap *)scratch;
352
353 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
354 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
355 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
356 incmap->fm_flags = fiemap->fm_flags;
357 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
360 return;
361
362 if (!incmap->fm_mapped_extents)
363 goto done;
364
365 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
366 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
367 errno = ENOMEM;
368 if (!fiemap)
369 return;
370
371 req->ptr1 = fiemap;
372
373 for (count = 0; count < incmap->fm_mapped_extents; ++count)
374 {
375 struct fiemap_extent *e = incmap->fm_extents + count;
376
377 if (e->fe_logical + e->fe_length >= end_offset)
378 goto done;
379
380 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
381
382 if (e->fe_flags & FIEMAP_EXTENT_LAST)
383 goto done;
384
385 }
386 }
387
388done:
389 req->result = 0;
390
391#else
392 errno = ENOSYS;
393#endif
394}
395
396/*****************************************************************************/
214 397
215enum { 398enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 399 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 400};
218 401
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 402typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 403typedef eio_req *aio_req_ornot;
404typedef eio_wd aio_wd;
223 405
224static SV *on_next_submit; 406static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 407static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 408static int max_outstanding;
227 409
228static s_epipe respipe; 410static s_epipe respipe;
229 411
230static void req_destroy (aio_req req); 412static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 413static void req_cancel (aio_req req);
232 414
233static void want_poll (void) 415static void
416want_poll (void)
234{ 417{
235 /* write a dummy byte to the pipe so fh becomes ready */ 418 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 419 s_epipe_signal (&respipe);
237} 420}
238 421
239static void done_poll (void) 422static void
423done_poll (void)
240{ 424{
241 /* read any signals sent by the worker threads */ 425 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 426 s_epipe_drain (&respipe);
243} 427}
244 428
245/* must be called at most once */ 429/* must be called at most once */
430static SV *
246static SV *req_sv (aio_req req, HV *stash) 431req_sv (aio_req req, HV *stash)
247{ 432{
248 if (!req->self) 433 if (!req->self)
249 { 434 {
250 req->self = (SV *)newHV (); 435 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 436 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 437 }
253 438
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 439 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 440}
256 441
257static aio_req SvAIO_REQ (SV *sv) 442static SV *
443newSVaio_wd (aio_wd wd)
444{
445 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
446}
447
448static aio_req
449SvAIO_REQ (SV *sv)
258{ 450{
259 MAGIC *mg; 451 MAGIC *mg;
260 452
261 if (!SvROK (sv) 453 if (!SvROK (sv)
454 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 455 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 456 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 457 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 458 croak ("object of class IO::AIO::REQ expected");
266 459
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 460 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 461
269 return mg ? (aio_req)mg->mg_ptr : 0; 462 return mg ? (aio_req)mg->mg_ptr : 0;
270} 463}
271 464
465static aio_wd
466SvAIO_WD (SV *sv)
467{
468 if (!SvROK (sv)
469 || SvTYPE (SvRV (sv)) != SVt_PVMG
470 || SvSTASH (SvRV (sv)) != aio_wd_stash)
471 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
472
473 return (aio_wd)(long)SvIVX (SvRV (sv));
474}
475
476static SV *
477newmortalFH (int fd, int flags)
478{
479 if (fd < 0)
480 return &PL_sv_undef;
481
482 GV *gv = (GV *)sv_newmortal ();
483 char sym[64];
484 int symlen;
485
486 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
487 gv_init (gv, aio_stash, sym, symlen, 0);
488
489 symlen = snprintf (
490 sym,
491 sizeof (sym),
492 "%s&=%d",
493 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494 fd
495 );
496
497 return do_open (gv, sym, symlen, 0, 0, 0, 0)
498 ? (SV *)gv : &PL_sv_undef;
499}
500
501static void
272static void aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
273{ 503{
274 if (grp->sv2 && SvOK (grp->sv2)) 504 if (grp->sv2 && SvOK (grp->sv2))
275 { 505 {
276 dSP; 506 dSP;
277 507
… …
285 FREETMPS; 515 FREETMPS;
286 LEAVE; 516 LEAVE;
287 } 517 }
288} 518}
289 519
520static void
290static void req_submit (eio_req *req) 521req_submit (eio_req *req)
291{ 522{
292 eio_submit (req); 523 eio_submit (req);
293 524
294 if (expect_false (on_next_submit)) 525 if (expect_false (on_next_submit))
295 { 526 {
… …
302 PUTBACK; 533 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 534 call_sv (cb, G_DISCARD | G_EVAL);
304 } 535 }
305} 536}
306 537
538static int
307static int req_invoke (eio_req *req) 539req_invoke (eio_req *req)
308{ 540{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 541 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 542 SvREADONLY_off (req->sv2);
313 543
314 if (!EIO_CANCELLED (req) && req->callback) 544 if (!EIO_CANCELLED (req) && req->callback)
315 { 545 {
546 dSP;
547 static SV *sv_result_cache; /* caches the result integer SV */
548 SV *sv_result;
549
316 ENTER; 550 ENTER;
317 SAVETMPS; 551 SAVETMPS;
318 PUSHMARK (SP); 552 PUSHMARK (SP);
319 EXTEND (SP, 1); 553 EXTEND (SP, 1);
320 554
555 /* do not recreate the result IV from scratch each time */
556 if (expect_true (sv_result_cache))
557 {
558 sv_result = sv_result_cache; sv_result_cache = 0;
559 SvIV_set (sv_result, req->result);
560 SvIOK_only (sv_result);
561 }
562 else
563 {
564 sv_result = newSViv (req->result);
565 SvREADONLY_on (sv_result);
566 }
567
321 switch (req->type) 568 switch (req->type)
322 { 569 {
570 case EIO_WD_OPEN:
571 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
572 break;
573
323 case EIO_READDIR: 574 case EIO_READDIR:
324 { 575 {
325 SV *rv = &PL_sv_undef; 576 SV *rv = &PL_sv_undef;
326 577
327 if (req->result >= 0) 578 if (req->result >= 0)
… …
380 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 631 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
381 } 632 }
382 break; 633 break;
383 634
384 case EIO_OPEN: 635 case EIO_OPEN:
385 { 636 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
386 /* convert fd to fh */
387 SV *fh = &PL_sv_undef;
388
389 if (req->result >= 0)
390 {
391 GV *gv = (GV *)sv_newmortal ();
392 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
393 char sym [64];
394 int symlen;
395
396 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
397 gv_init (gv, aio_stash, sym, symlen, 0);
398
399 symlen = snprintf (
400 sym,
401 sizeof (sym),
402 "%s&=%d",
403 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
404 (int)req->result
405 );
406
407 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
408 fh = (SV *)gv;
409 }
410
411 PUSHs (fh);
412 }
413 break; 637 break;
414 638
415 case EIO_STATVFS: 639 case EIO_STATVFS:
416 case EIO_FSTATVFS: 640 case EIO_FSTATVFS:
417 { 641 {
418 SV *rv = &PL_sv_undef; 642 SV *rv = &PL_sv_undef;
419 643
644#ifndef _WIN32
420 if (req->result >= 0) 645 if (req->result >= 0)
421 { 646 {
422 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 647 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423 HV *hv = newHV (); 648 HV *hv = newHV ();
649 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
650 * chooses to make it a struct.
651 */
652 unsigned long fsid = 0;
653 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
424 654
425 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 655 rv = sv_2mortal (newRV_noinc ((SV *)hv));
426 656
427 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 657 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
428 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 658 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
430 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 660 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
431 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 661 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
432 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 662 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
433 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 663 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
434 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 664 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
435 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 665 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
436 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 666 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
437 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 667 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
438 } 668 }
669#endif
439 670
440 PUSHs (rv); 671 PUSHs (rv);
441 } 672 }
442 673
443 break; 674 break;
… …
459 case EIO_NOP: 690 case EIO_NOP:
460 case EIO_BUSY: 691 case EIO_BUSY:
461 break; 692 break;
462 693
463 case EIO_READLINK: 694 case EIO_READLINK:
695 case EIO_REALPATH:
464 if (req->result > 0) 696 if (req->result > 0)
465 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 697 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466 break; 698 break;
467 699
468 case EIO_STAT: 700 case EIO_STAT:
469 case EIO_LSTAT: 701 case EIO_LSTAT:
470 case EIO_FSTAT: 702 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 703 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
704
472 PL_laststatval = req->result; 705 if (!(PL_laststatval = req->result))
706 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 707 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 708
709 PUSHs (sv_result);
710 break;
711
712 case EIO_SEEK:
713 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
475 break; 714 break;
476 715
477 case EIO_READ: 716 case EIO_READ:
478 { 717 {
479 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 718 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480 *SvEND (req->sv2) = 0; 719 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 720 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 722 PUSHs (sv_result);
484 } 723 }
485 break; 724 break;
486 725
487 case EIO_DUP2: 726 case EIO_SLURP:
727 {
728 if (req->result >= 0)
729 {
730 /* if length was originally not known, we steal the malloc'ed memory */
731 if (req->flags & EIO_FLAG_PTR2_FREE)
732 {
733 req->flags &= ~EIO_FLAG_PTR2_FREE;
734 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
735 }
736 else
737 {
738 SvCUR_set (req->sv2, req->result);
739 *SvEND (req->sv2) = 0;
740 SvPOK_only (req->sv2);
741 }
742
743 SvSETMAGIC (req->sv2);
744 }
745
746 PUSHs (sv_result);
747 }
748 break;
749
750 case EIO_CUSTOM:
751 if (req->feed == fiemap)
752 {
753#if HAVE_FIEMAP
754 if (!req->result)
755 {
756 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
757
758 if (fiemap->fm_extent_count)
759 {
760 AV *av = newAV ();
761 int i;
762
763 while (fiemap->fm_mapped_extents)
764 {
765 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
766 AV *ext_av = newAV ();
767
768 av_store (ext_av, 3, newSVuv (extent->fe_flags));
769 av_store (ext_av, 2, newSVval64 (extent->fe_length));
770 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
771 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
772
773 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
774 }
775
776 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
777 }
778 else
779 {
780 SvIV_set (sv_result, fiemap->fm_mapped_extents);
781 PUSHs (sv_result);
782 }
783 }
784#endif
785 }
786 else
787 PUSHs (sv_result);
788 break;
789
790 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 791 if (req->result > 0)
489 req->result = 0; 792 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 793 /* FALLTHROUGH */
491 794
492 default: 795 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 796 PUSHs (sv_result);
494 break; 797 break;
495 } 798 }
496 799
497 errno = req->errorno; 800 errno = req->errorno;
498 801
499 PUTBACK; 802 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 803 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 804 SPAGAIN;
502 805
806 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
807 SvREFCNT_dec (sv_result);
808 else
809 sv_result_cache = sv_result;
810
503 FREETMPS; 811 FREETMPS;
504 LEAVE; 812 LEAVE;
505 813
506 PUTBACK; 814 PUTBACK;
507 } 815 }
508 816
509 return !!SvTRUE (ERRSV); 817 return !!SvTRUE (ERRSV);
510} 818}
511 819
820static void
512static void req_destroy (aio_req req) 821req_destroy (aio_req req)
513{ 822{
514 if (req->self) 823 if (req->self)
515 { 824 {
516 sv_unmagic (req->self, PERL_MAGIC_ext); 825 sv_unmagic (req->self, PERL_MAGIC_ext);
517 SvREFCNT_dec (req->self); 826 SvREFCNT_dec (req->self);
518 } 827 }
519 828
520 SvREFCNT_dec (req->sv1); 829 SvREFCNT_dec (req->sv1);
521 SvREFCNT_dec (req->sv2); 830 SvREFCNT_dec (req->sv2);
831 SvREFCNT_dec (req->sv3);
832 SvREFCNT_dec (req->sv4);
522 SvREFCNT_dec (req->callback); 833 SvREFCNT_dec (req->callback);
523 834
524 Safefree (req); 835 free (req);
525} 836}
526 837
838static void
527static void req_cancel_subs (aio_req grp) 839req_cancel_subs (aio_req grp)
528{ 840{
529 aio_req sub;
530
531 if (grp->type != EIO_GROUP) 841 if (grp->type != EIO_GROUP)
532 return; 842 return;
533 843
534 SvREFCNT_dec (grp->sv2); 844 SvREFCNT_dec (grp->sv2);
535 grp->sv2 = 0; 845 grp->sv2 = 0;
536 846
537 eio_grp_cancel (grp); 847 eio_grp_cancel (grp);
538} 848}
539 849
540static void 850static void ecb_cold
541create_respipe (void) 851create_respipe (void)
542{ 852{
543 if (s_epipe_renew (&respipe)) 853 if (s_epipe_renew (&respipe))
544 croak ("IO::AIO: unable to initialize result pipe"); 854 croak ("IO::AIO: unable to initialize result pipe");
545} 855}
546 856
547static void poll_wait (void) 857static void
858poll_wait (void)
548{ 859{
549 while (eio_nreqs ()) 860 while (eio_nreqs ())
550 { 861 {
551 int size; 862 int size;
552 863
553 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
554 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
555 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
556 867
557 if (size) 868 if (size)
558 return; 869 return;
559 870
560 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
561 872
562 s_epipe_wait (&respipe); 873 s_epipe_wait (&respipe);
563 } 874 }
564} 875}
565 876
566static int poll_cb (void) 877static int
878poll_cb (void)
567{ 879{
568 for (;;) 880 for (;;)
569 { 881 {
570 int res = eio_poll (); 882 int res = eio_poll ();
571 883
… …
577 889
578 poll_wait (); 890 poll_wait ();
579 } 891 }
580} 892}
581 893
582static void atfork_child (void) 894static void ecb_cold
895reinit (void)
583{ 896{
584 create_respipe (); 897 create_respipe ();
585}
586 898
587/*****************************************************************************/ 899 if (eio_init (want_poll, done_poll) < 0)
588 900 croak ("IO::AIO: unable to initialise eio library");
589#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612} 901}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617 902
618/*****************************************************************************/ 903/*****************************************************************************/
619 904
620static SV * 905static SV *
621get_cb (SV *cb_sv) 906get_cb (SV *cb_sv)
622{ 907{
623 SvGETMAGIC (cb_sv); 908 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 909 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 910}
626 911
912static aio_req ecb_noinline
913dreq (SV *callback)
914{
915 SV *cb_cv;
916 aio_req req;
917 int req_pri = next_pri;
918 next_pri = EIO_PRI_DEFAULT;
919
920 cb_cv = get_cb (callback);
921
922 req = calloc (sizeof (*req), 1);
923 if (!req)
924 croak ("out of memory during eio_req allocation");
925
926 req->callback = SvREFCNT_inc (cb_cv);
927 req->pri = req_pri;
928
929 return req;
930}
931
627#define dREQ \ 932#define dREQ \
628 SV *cb_cv; \ 933 aio_req req = dreq (callback); \
629 aio_req req; \
630 int req_pri = next_pri; \
631 next_pri = EIO_PRI_DEFAULT; \
632 \
633 cb_cv = get_cb (callback); \
634 \
635 Newz (0, req, 1, eio_req); \
636 if (!req) \
637 croak ("out of memory during eio_req allocation"); \
638 \
639 req->callback = SvREFCNT_inc (cb_cv); \
640 req->pri = req_pri
641 934
642#define REQ_SEND \ 935#define REQ_SEND \
643 PUTBACK; \ 936 PUTBACK; \
644 req_submit (req); \ 937 req_submit (req); \
645 SPAGAIN; \ 938 SPAGAIN; \
646 \ 939 \
647 if (GIMME_V != G_VOID) \ 940 if (GIMME_V != G_VOID) \
648 XPUSHs (req_sv (req, aio_req_stash)); 941 XPUSHs (req_sv (req, aio_req_stash));
649 942
943ecb_inline void
944req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
945{
946 if (expect_false (SvROK (path)))
947 {
948 SV *rv = SvRV (path);
949 SV *wdob;
950
951 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
952 {
953 path = AvARRAY (rv)[1];
954 wdob = AvARRAY (rv)[0];
955
956 if (SvOK (wdob))
957 {
958 *wd = SvAIO_WD (wdob);
959 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
960 }
961 else
962 *wd = EIO_INVALID_WD;
963 }
964 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
965 {
966 *wd = (aio_wd)(long)SvIVX (rv);
967 *wdsv = SvREFCNT_inc_NN (rv);
968 *ptr = ".";
969 return; /* path set to "." */
970 }
971 else
972 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
973 }
974
975 *pathsv = newSVsv (path);
976 *ptr = SvPVbyte_nolen (*pathsv);
977}
978
979static void ecb_noinline
980req_set_path1 (aio_req req, SV *path)
981{
982 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
983}
984
985static void ecb_noinline
986req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
987{
988 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
989
990 switch (SvTYPE (rv))
991 {
992 case SVt_PVIO:
993 case SVt_PVLV:
994 case SVt_PVGV:
995 req->type = type_fh;
996 req->sv1 = newSVsv (fh_or_path);
997 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
998 break;
999
1000 default:
1001 req->type = type_path;
1002 req_set_path1 (req, fh_or_path);
1003 break;
1004 }
1005}
1006
1007/*****************************************************************************/
1008
1009static void
1010ts_set (struct timespec *ts, NV value)
1011{
1012 ts->tv_sec = value;
1013 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1014}
1015
1016static NV
1017ts_get (const struct timespec *ts)
1018{
1019 return ts->tv_sec + ts->tv_nsec * 1e-9;
1020}
1021
1022/*****************************************************************************/
1023
1024XS(boot_IO__AIO) ecb_cold;
1025
650MODULE = IO::AIO PACKAGE = IO::AIO 1026MODULE = IO::AIO PACKAGE = IO::AIO
651 1027
652PROTOTYPES: ENABLE 1028PROTOTYPES: ENABLE
653 1029
654BOOT: 1030BOOT:
… …
658 IV iv; 1034 IV iv;
659 } *civ, const_iv[] = { 1035 } *civ, const_iv[] = {
660# define const_niv(name, value) { # name, (IV) value }, 1036# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name }, 1037# define const_iv(name) { # name, (IV) name },
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 1038# define const_eio(name) { # name, (IV) EIO_ ## name },
1039
1040 /* you have to re-run ./gendef0 after adding/removing any constants here */
1041 /* the first block can be undef if missing */
1042 const_iv (ENOSYS)
663 const_iv (EXDEV) 1043 const_iv (EXDEV)
664 const_iv (ENOSYS) 1044 const_iv (EBADR)
1045
1046 /* for lseek */
1047 const_iv (SEEK_DATA)
1048 const_iv (SEEK_HOLE)
1049
1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1055 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1056
1057 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1058 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1059 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1060 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1061 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1062
1063 /* the second block will be 0 when missing */
1064 const_iv (O_ACCMODE)
1065
665 const_iv (O_RDONLY) 1066 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 1067 const_iv (O_WRONLY)
667 const_iv (O_RDWR) 1068 const_iv (O_RDWR)
668 const_iv (O_CREAT) 1069 const_iv (O_CREAT)
669 const_iv (O_TRUNC) 1070 const_iv (O_TRUNC)
670 const_iv (O_EXCL) 1071 const_iv (O_EXCL)
671 const_iv (O_APPEND) 1072 const_iv (O_APPEND)
672#ifndef _WIN32 1073
1074 const_iv (O_ASYNC)
1075 const_iv (O_DIRECT)
1076 const_iv (O_NOATIME)
1077
1078 const_iv (O_CLOEXEC)
1079 const_iv (O_NOCTTY)
1080 const_iv (O_NOFOLLOW)
1081 const_iv (O_NONBLOCK)
1082 const_iv (O_EXEC)
1083 const_iv (O_SEARCH)
1084 const_iv (O_DIRECTORY)
1085 const_iv (O_DSYNC)
1086 const_iv (O_RSYNC)
1087 const_iv (O_SYNC)
1088 const_iv (O_PATH)
1089 const_iv (O_TMPFILE)
1090 const_iv (O_TTY_INIT)
1091
673 const_iv (S_IFIFO) 1092 const_iv (S_IFIFO)
674#endif 1093 const_iv (S_IFCHR)
675 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1094 const_iv (S_IFBLK)
676 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1095 const_iv (S_IFLNK)
677 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1096 const_iv (S_IFREG)
678 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1097 const_iv (S_IFDIR)
679 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1098 const_iv (S_IFWHT)
680 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1099 const_iv (S_IFSOCK)
1100 const_iv (S_IFMT)
681 1101
682 const_iv (ST_RDONLY) 1102 const_iv (ST_RDONLY)
683 const_iv (ST_NOSUID) 1103 const_iv (ST_NOSUID)
684 const_iv (ST_NODEV) 1104 const_iv (ST_NODEV)
685 const_iv (ST_NOEXEC) 1105 const_iv (ST_NOEXEC)
… …
690 const_iv (ST_IMMUTABLE) 1110 const_iv (ST_IMMUTABLE)
691 const_iv (ST_NOATIME) 1111 const_iv (ST_NOATIME)
692 const_iv (ST_NODIRATIME) 1112 const_iv (ST_NODIRATIME)
693 const_iv (ST_RELATIME) 1113 const_iv (ST_RELATIME)
694 1114
1115 const_iv (PROT_NONE)
695 const_iv (PROT_EXEC) 1116 const_iv (PROT_EXEC)
696 const_iv (PROT_NONE)
697 const_iv (PROT_READ) 1117 const_iv (PROT_READ)
698 const_iv (PROT_WRITE) 1118 const_iv (PROT_WRITE)
699 1119
700 /*const_iv (MAP_FIXED)*/
701 const_iv (MAP_PRIVATE) 1120 const_iv (MAP_PRIVATE)
702 const_iv (MAP_SHARED) 1121 const_iv (MAP_SHARED)
1122 const_iv (MAP_FIXED)
703 const_iv (MAP_ANONYMOUS) 1123 const_iv (MAP_ANONYMOUS)
704 1124
705 /* linuxish */ 1125 /* linuxish */
706 const_iv (MAP_HUGETLB)
707 const_iv (MAP_LOCKED) 1126 const_iv (MAP_LOCKED)
708 const_iv (MAP_NORESERVE) 1127 const_iv (MAP_NORESERVE)
709 const_iv (MAP_POPULATE) 1128 const_iv (MAP_POPULATE)
710 const_iv (MAP_NONBLOCK) 1129 const_iv (MAP_NONBLOCK)
1130 const_iv (MAP_GROWSDOWN)
1131 const_iv (MAP_32BIT)
1132 const_iv (MAP_HUGETLB)
1133 const_iv (MAP_STACK)
711 1134
1135 const_iv (MREMAP_MAYMOVE)
1136 const_iv (MREMAP_FIXED)
1137
1138 const_iv (F_DUPFD_CLOEXEC)
1139
1140 const_iv (MSG_CMSG_CLOEXEC)
1141 const_iv (SOCK_CLOEXEC)
1142
1143 const_iv (F_OFD_GETLK)
1144 const_iv (F_OFD_SETLK)
1145 const_iv (F_OFD_GETLKW)
1146
1147 const_iv (FIFREEZE)
1148 const_iv (FITHAW)
1149 const_iv (FITRIM)
1150 const_iv (FICLONE)
1151 const_iv (FICLONERANGE)
1152 const_iv (FIDEDUPERANGE)
1153
1154 const_iv (FS_IOC_GETFLAGS)
1155 const_iv (FS_IOC_SETFLAGS)
1156 const_iv (FS_IOC_GETVERSION)
1157 const_iv (FS_IOC_SETVERSION)
1158 const_iv (FS_IOC_FIEMAP)
1159 const_iv (FS_IOC_FSGETXATTR)
1160 const_iv (FS_IOC_FSSETXATTR)
1161 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1162 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1163 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1164
1165 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1166
1167 const_iv (FS_SECRM_FL)
1168 const_iv (FS_UNRM_FL)
1169 const_iv (FS_COMPR_FL)
1170 const_iv (FS_SYNC_FL)
1171 const_iv (FS_IMMUTABLE_FL)
1172 const_iv (FS_APPEND_FL)
1173 const_iv (FS_NODUMP_FL)
1174 const_iv (FS_NOATIME_FL)
1175 const_iv (FS_DIRTY_FL)
1176 const_iv (FS_COMPRBLK_FL)
1177 const_iv (FS_NOCOMP_FL)
1178 const_iv (FS_ENCRYPT_FL)
1179 const_iv (FS_BTREE_FL)
1180 const_iv (FS_INDEX_FL)
1181 const_iv (FS_JOURNAL_DATA_FL)
1182 const_iv (FS_NOTAIL_FL)
1183 const_iv (FS_DIRSYNC_FL)
1184 const_iv (FS_TOPDIR_FL)
1185 const_iv (FS_FL_USER_MODIFIABLE)
1186
1187 const_iv (FS_XFLAG_REALTIME)
1188 const_iv (FS_XFLAG_PREALLOC)
1189 const_iv (FS_XFLAG_IMMUTABLE)
1190 const_iv (FS_XFLAG_APPEND)
1191 const_iv (FS_XFLAG_SYNC)
1192 const_iv (FS_XFLAG_NOATIME)
1193 const_iv (FS_XFLAG_NODUMP)
1194 const_iv (FS_XFLAG_RTINHERIT)
1195 const_iv (FS_XFLAG_PROJINHERIT)
1196 const_iv (FS_XFLAG_NOSYMLINKS)
1197 const_iv (FS_XFLAG_EXTSIZE)
1198 const_iv (FS_XFLAG_EXTSZINHERIT)
1199 const_iv (FS_XFLAG_NODEFRAG)
1200 const_iv (FS_XFLAG_FILESTREAM)
1201 const_iv (FS_XFLAG_DAX)
1202 const_iv (FS_XFLAG_HASATTR)
1203
1204 const_iv (FIEMAP_FLAG_SYNC)
1205 const_iv (FIEMAP_FLAG_XATTR)
1206 const_iv (FIEMAP_FLAGS_COMPAT)
1207 const_iv (FIEMAP_EXTENT_LAST)
1208 const_iv (FIEMAP_EXTENT_UNKNOWN)
1209 const_iv (FIEMAP_EXTENT_DELALLOC)
1210 const_iv (FIEMAP_EXTENT_ENCODED)
1211 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1212 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1213 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1214 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1215 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1216 const_iv (FIEMAP_EXTENT_MERGED)
1217 const_iv (FIEMAP_EXTENT_SHARED)
1218
1219 const_iv (SPLICE_F_MOVE)
1220 const_iv (SPLICE_F_NONBLOCK)
1221 const_iv (SPLICE_F_MORE)
1222 const_iv (SPLICE_F_GIFT)
1223
1224 const_iv (EFD_CLOEXEC)
1225 const_iv (EFD_NONBLOCK)
1226 const_iv (EFD_SEMAPHORE)
1227
1228 const_iv (CLOCK_REALTIME)
1229 const_iv (CLOCK_MONOTONIC)
1230 const_iv (CLOCK_BOOTTIME)
1231 const_iv (CLOCK_REALTIME_ALARM)
1232 const_iv (CLOCK_BOOTTIME_ALARM)
1233
1234 const_iv (TFD_NONBLOCK)
1235 const_iv (TFD_CLOEXEC)
1236
1237 const_iv (TFD_TIMER_ABSTIME)
1238 const_iv (TFD_TIMER_CANCEL_ON_SET)
1239
1240 /* these are libeio constants, and are independent of gendef0 */
1241 const_eio (SEEK_SET)
1242 const_eio (SEEK_CUR)
1243 const_eio (SEEK_END)
1244
712 const_iv (MCL_FUTURE) 1245 const_eio (MCL_FUTURE)
713 const_iv (MCL_CURRENT) 1246 const_eio (MCL_CURRENT)
714 1247
715 const_eio (MS_ASYNC) 1248 const_eio (MS_ASYNC)
716 const_eio (MS_INVALIDATE) 1249 const_eio (MS_INVALIDATE)
717 const_eio (MS_SYNC) 1250 const_eio (MS_SYNC)
718 1251
719 const_eio (MT_MODIFY) 1252 const_eio (MT_MODIFY)
720 1253
721 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1254 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
722 const_eio (SYNC_FILE_RANGE_WRITE) 1255 const_eio (SYNC_FILE_RANGE_WRITE)
723 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1256 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1257
1258 const_eio (FALLOC_FL_KEEP_SIZE)
1259 const_eio (FALLOC_FL_PUNCH_HOLE)
1260 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1261 const_eio (FALLOC_FL_ZERO_RANGE)
1262 const_eio (FALLOC_FL_INSERT_RANGE)
1263 const_eio (FALLOC_FL_UNSHARE_RANGE)
1264
1265 const_eio (RENAME_NOREPLACE)
1266 const_eio (RENAME_EXCHANGE)
1267 const_eio (RENAME_WHITEOUT)
724 1268
725 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
726 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
727 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
728 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
… …
739 }; 1283 };
740 1284
741 aio_stash = gv_stashpv ("IO::AIO" , 1); 1285 aio_stash = gv_stashpv ("IO::AIO" , 1);
742 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1286 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
743 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1287 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1288 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
744 1289
745 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1290 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
746 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1291 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
747 1292
748 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1293 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
749 1294
750 create_respipe (); 1295 reinit ();
751
752 if (eio_init (want_poll, done_poll) < 0)
753 croak ("IO::AIO: unable to initialise eio library");
754
755 /* atfork child called in fifo order, so before eio's handler */
756 X_THREAD_ATFORK (0, 0, atfork_child);
757} 1296}
758 1297
759void 1298void
1299reinit ()
1300 PROTOTYPE:
1301
1302void
760max_poll_reqs (int nreqs) 1303max_poll_reqs (unsigned int nreqs)
761 PROTOTYPE: $ 1304 PROTOTYPE: $
762 CODE: 1305 CODE:
763 eio_set_max_poll_reqs (nreqs); 1306 eio_set_max_poll_reqs (nreqs);
764 1307
765void 1308void
… …
767 PROTOTYPE: $ 1310 PROTOTYPE: $
768 CODE: 1311 CODE:
769 eio_set_max_poll_time (nseconds); 1312 eio_set_max_poll_time (nseconds);
770 1313
771void 1314void
772min_parallel (int nthreads) 1315min_parallel (unsigned int nthreads)
773 PROTOTYPE: $ 1316 PROTOTYPE: $
774 CODE: 1317 CODE:
775 eio_set_min_parallel (nthreads); 1318 eio_set_min_parallel (nthreads);
776 1319
777void 1320void
778max_parallel (int nthreads) 1321max_parallel (unsigned int nthreads)
779 PROTOTYPE: $ 1322 PROTOTYPE: $
780 CODE: 1323 CODE:
781 eio_set_max_parallel (nthreads); 1324 eio_set_max_parallel (nthreads);
782 1325
783void 1326void
784max_idle (int nthreads) 1327max_idle (unsigned int nthreads)
785 PROTOTYPE: $ 1328 PROTOTYPE: $
786 CODE: 1329 CODE:
787 eio_set_max_idle (nthreads); 1330 eio_set_max_idle (nthreads);
788 1331
789void 1332void
1333idle_timeout (unsigned int seconds)
1334 PROTOTYPE: $
1335 CODE:
1336 eio_set_idle_timeout (seconds);
1337
1338void
790max_outstanding (int maxreqs) 1339max_outstanding (unsigned int maxreqs)
791 PROTOTYPE: $ 1340 PROTOTYPE: $
792 CODE: 1341 CODE:
793 max_outstanding = maxreqs; 1342 max_outstanding = maxreqs;
794 1343
795void 1344void
796aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1345aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
797 PROTOTYPE: $$$;$
798 PPCODE: 1346 PPCODE:
799{ 1347{
800 dREQ; 1348 dREQ;
801 1349
1350 req->type = EIO_WD_OPEN;
1351 req_set_path1 (req, pathname);
1352
1353 REQ_SEND;
1354}
1355
1356void
1357aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1358 PPCODE:
1359{
1360 dREQ;
1361
802 req->type = EIO_OPEN; 1362 req->type = EIO_OPEN;
803 req->sv1 = newSVsv (pathname); 1363 req_set_path1 (req, pathname);
804 req->ptr1 = SvPVbyte_nolen (req->sv1);
805 req->int1 = flags; 1364 req->int1 = flags;
806 req->int2 = mode; 1365 req->int2 = mode;
807 1366
808 REQ_SEND; 1367 REQ_SEND;
809} 1368}
810 1369
811void 1370void
812aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1371aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
813 PROTOTYPE: $;$
814 ALIAS: 1372 ALIAS:
815 aio_fsync = EIO_FSYNC 1373 aio_fsync = EIO_FSYNC
816 aio_fdatasync = EIO_FDATASYNC 1374 aio_fdatasync = EIO_FDATASYNC
1375 aio_syncfs = EIO_SYNCFS
817 PPCODE: 1376 PPCODE:
818{ 1377{
819 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
820 dREQ; 1379 dREQ;
821 1380
822 req->type = ix; 1381 req->type = ix;
823 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
824 req->int1 = fd; 1383 req->int1 = fd;
825 1384
826 REQ_SEND (req); 1385 REQ_SEND;
827} 1386}
828 1387
829void 1388void
830aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1389aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
831 PROTOTYPE: $$$$;$
832 PPCODE: 1390 PPCODE:
833{ 1391{
834 int fd = s_fileno_croak (fh, 0); 1392 int fd = s_fileno_croak (fh, 0);
835 dREQ; 1393 dREQ;
836 1394
837 req->type = EIO_SYNC_FILE_RANGE; 1395 req->type = EIO_SYNC_FILE_RANGE;
838 req->sv1 = newSVsv (fh); 1396 req->sv1 = newSVsv (fh);
839 req->int1 = fd; 1397 req->int1 = fd;
840 req->offs = offset; 1398 req->offs = offset;
841 req->size = nbytes; 1399 req->size = nbytes;
842 req->int2 = flags; 1400 req->int2 = flags;
843 1401
844 REQ_SEND (req); 1402 REQ_SEND;
845} 1403}
846 1404
847void 1405void
848aio_close (SV *fh, SV *callback=&PL_sv_undef) 1406aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
849 PROTOTYPE: $;$
850 PPCODE: 1407 PPCODE:
851{ 1408{
852 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
853 int fd = s_fileno_croak (fh, 0); 1409 int fd = s_fileno_croak (fh, 0);
854 dREQ; 1410 dREQ;
855 1411
856 if (close_pipe < 0) 1412 req->type = EIO_FALLOCATE;
1413 req->sv1 = newSVsv (fh);
1414 req->int1 = fd;
1415 req->int2 = mode;
1416 req->offs = offset;
1417 req->size = len;
1418
1419 REQ_SEND;
1420}
1421
1422void
1423aio_close (SV *fh, SV *callback = &PL_sv_undef)
1424 PPCODE:
1425{
1426 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1427 int fd = s_fileno_croak (fh, 0);
1428 dREQ;
1429
1430 if (expect_false (close_fd < 0))
857 { 1431 {
858 int pipefd [2]; 1432 int pipefd [2];
859 1433
1434 if (
1435#ifdef _WIN32
1436 _pipe (pipefd, 1, _O_BINARY) < 0
1437#else
860 if (pipe (pipefd) < 0 1438 pipe (pipefd) < 0
861 || close (pipefd [1]) < 0
862 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1439 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1440#endif
1441 || close (pipefd [1]) < 0
1442 )
863 abort (); /*D*/ 1443 abort (); /*D*/
864 1444
865 close_pipe = pipefd [0]; 1445 close_fd = pipefd [0];
866 } 1446 }
867 1447
868 req->type = EIO_DUP2; 1448 req->type = EIO_DUP2;
869 req->int1 = close_pipe; 1449 req->int1 = close_fd;
870 req->sv2 = newSVsv (fh); 1450 req->sv2 = newSVsv (fh);
871 req->int2 = fd; 1451 req->int2 = fd;
872 1452
873 REQ_SEND (req); 1453 REQ_SEND;
874} 1454}
875 1455
876void 1456void
1457aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1458 PPCODE:
1459{
1460 int fd = s_fileno_croak (fh, 0);
1461 dREQ;
1462
1463 req->type = EIO_SEEK;
1464 req->sv1 = newSVsv (fh);
1465 req->int1 = fd;
1466 req->offs = SvVAL64 (offset);
1467 req->int2 = whence;
1468
1469 REQ_SEND;
1470}
1471
1472void
877aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1473aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
878 ALIAS: 1474 ALIAS:
879 aio_read = EIO_READ 1475 aio_read = EIO_READ
880 aio_write = EIO_WRITE 1476 aio_write = EIO_WRITE
881 PROTOTYPE: $$$$$;$
882 PPCODE: 1477 PPCODE:
883{ 1478{
884 STRLEN svlen; 1479 STRLEN svlen;
885 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1480 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
886 char *svptr = SvPVbyte (data, svlen); 1481 char *svptr = SvPVbyte (data, svlen);
… …
899 len = svlen - dataoffset; 1494 len = svlen - dataoffset;
900 } 1495 }
901 else 1496 else
902 { 1497 {
903 /* read: check type and grow scalar as necessary */ 1498 /* read: check type and grow scalar as necessary */
904 SvUPGRADE (data, SVt_PV); 1499 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
905 svptr = SvGROW (data, len + dataoffset + 1); 1500 svptr = sv_grow (data, len + dataoffset + 1);
1501 else if (SvCUR (data) < len + dataoffset)
1502 croak ("length + dataoffset outside of scalar, and cannot grow");
906 } 1503 }
907 1504
908 { 1505 {
909 dREQ; 1506 dREQ;
910 1507
… …
926 REQ_SEND; 1523 REQ_SEND;
927 } 1524 }
928} 1525}
929 1526
930void 1527void
931aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
932 PROTOTYPE: $$;$ 1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
933 PPCODE: 1532 PPCODE:
934{ 1533{
935 SV *data; 1534 int fd = s_fileno_croak (fh, 0);
1535 char *svptr;
1536
1537 if (SvPOK (arg) || !SvNIOK (arg))
1538 {
1539 STRLEN svlen;
1540 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1541#ifdef IOCPARM_LEN
1542 STRLEN need = IOCPARM_LEN (request);
1543#else
1544 STRLEN need = 256;
1545#endif
1546
1547 if (svlen < need)
1548 svptr = SvGROW (arg, need);
1549 }
1550 else
1551 svptr = (char *)SvIV (arg);
1552
1553 {
1554 dREQ;
1555
1556 req->type = ix;
1557 req->sv1 = newSVsv (fh);
1558 req->int1 = fd;
1559 req->int2 = (long)request;
1560 req->sv2 = SvREFCNT_inc (arg);
1561 req->ptr2 = svptr;
1562
1563 REQ_SEND;
1564 }
1565}
1566
1567void
1568aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1569 ALIAS:
1570 aio_readlink = EIO_READLINK
1571 aio_realpath = EIO_REALPATH
1572 PPCODE:
1573{
936 dREQ; 1574 dREQ;
937 1575
938 req->type = EIO_READLINK; 1576 req->type = ix;
939 req->sv1 = newSVsv (path); 1577 req_set_path1 (req, pathname);
940 req->ptr1 = SvPVbyte_nolen (req->sv1);
941 1578
942 REQ_SEND; 1579 REQ_SEND;
943} 1580}
944 1581
945void 1582void
946aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1583aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
947 PROTOTYPE: $$$$;$
948 PPCODE: 1584 PPCODE:
949{ 1585{
950 int ifd = s_fileno_croak (in_fh , 0); 1586 int ifd = s_fileno_croak (in_fh , 0);
951 int ofd = s_fileno_croak (out_fh, 1); 1587 int ofd = s_fileno_croak (out_fh, 1);
952 dREQ; 1588 dREQ;
953 1589
954 req->type = EIO_SENDFILE; 1590 req->type = EIO_SENDFILE;
955 req->sv1 = newSVsv (out_fh); 1591 req->sv1 = newSVsv (out_fh);
956 req->int1 = ofd; 1592 req->int1 = ofd;
… …
961 1597
962 REQ_SEND; 1598 REQ_SEND;
963} 1599}
964 1600
965void 1601void
966aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1602aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
967 PROTOTYPE: $$$;$
968 PPCODE: 1603 PPCODE:
969{ 1604{
970 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
971 dREQ; 1606 dREQ;
972 1607
973 req->type = EIO_READAHEAD; 1608 req->type = EIO_READAHEAD;
974 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
975 req->int1 = fd; 1610 req->int1 = fd;
… …
978 1613
979 REQ_SEND; 1614 REQ_SEND;
980} 1615}
981 1616
982void 1617void
983aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1618aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
984 ALIAS: 1619 ALIAS:
985 aio_stat = EIO_STAT 1620 aio_stat = EIO_STAT
986 aio_lstat = EIO_LSTAT 1621 aio_lstat = EIO_LSTAT
987 aio_statvfs = EIO_STATVFS 1622 aio_statvfs = EIO_STATVFS
988 PPCODE: 1623 PPCODE:
989{ 1624{
990 dREQ; 1625 dREQ;
991 1626
992 req->sv1 = newSVsv (fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
993
994 if (SvPOK (req->sv1))
995 {
996 req->type = ix;
997 req->ptr1 = SvPVbyte_nolen (req->sv1);
998 }
999 else
1000 {
1001 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1002 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1003 }
1004 1628
1005 REQ_SEND; 1629 REQ_SEND;
1006} 1630}
1007 1631
1008void 1632void
1633stat_xtime ()
1634 ALIAS:
1635 stat_atime = 1
1636 stat_mtime = 2
1637 stat_ctime = 4
1638 stat_xtime = 7
1639 PPCODE:
1640 EXTEND (SP, 3);
1641 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1642 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1643 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1644
1645void
1646stat_xtimensec ()
1647 ALIAS:
1648 stat_atimensec = 1
1649 stat_mtimensec = 2
1650 stat_ctimensec = 4
1651 stat_xtimensec = 7
1652 PPCODE:
1653 EXTEND (SP, 3);
1654 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1655 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1656 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1657
1658UV
1659major (UV dev)
1660 ALIAS:
1661 minor = 1
1662 CODE:
1663 RETVAL = ix ? minor (dev) : major (dev);
1664 OUTPUT:
1665 RETVAL
1666
1667UV
1668makedev (UV maj, UV min)
1669 CODE:
1670 RETVAL = makedev (maj, min);
1671 OUTPUT:
1672 RETVAL
1673
1674void
1009aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1675aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1010 PPCODE: 1676 PPCODE:
1011{ 1677{
1012 dREQ; 1678 dREQ;
1013 1679
1014 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1680 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1015 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1681 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1016 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1017
1018 if (SvPOK (req->sv1))
1019 {
1020 req->type = EIO_UTIME;
1021 req->ptr1 = SvPVbyte_nolen (req->sv1);
1022 }
1023 else
1024 {
1025 req->type = EIO_FUTIME;
1026 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1027 }
1028 1683
1029 REQ_SEND; 1684 REQ_SEND;
1030} 1685}
1031 1686
1032void 1687void
1033aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1688aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1034 PPCODE: 1689 PPCODE:
1035{ 1690{
1036 dREQ; 1691 dREQ;
1037 1692
1038 req->sv1 = newSVsv (fh_or_path);
1039 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1693 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1040 1694 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1041 if (SvPOK (req->sv1))
1042 {
1043 req->type = EIO_TRUNCATE;
1044 req->ptr1 = SvPVbyte_nolen (req->sv1);
1045 }
1046 else
1047 {
1048 req->type = EIO_FTRUNCATE;
1049 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1050 }
1051 1695
1052 REQ_SEND; 1696 REQ_SEND;
1053} 1697}
1054 1698
1055void 1699void
1056aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1700aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1057 ALIAS:
1058 aio_chmod = EIO_CHMOD
1059 aio_mkdir = EIO_MKDIR
1060 PPCODE: 1701 PPCODE:
1061{ 1702{
1062 dREQ; 1703 dREQ;
1063 1704
1064 req->int2 = mode; 1705 req->int2 = mode;
1065 req->sv1 = newSVsv (fh_or_path); 1706 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1066
1067 if (SvPOK (req->sv1))
1068 {
1069 req->type = ix;
1070 req->ptr1 = SvPVbyte_nolen (req->sv1);
1071 }
1072 else
1073 {
1074 req->type = EIO_FCHMOD;
1075 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1076 }
1077 1707
1078 REQ_SEND; 1708 REQ_SEND;
1079} 1709}
1080 1710
1081void 1711void
1082aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1712aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1083 PPCODE: 1713 PPCODE:
1084{ 1714{
1085 dREQ; 1715 dREQ;
1086 1716
1087 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1717 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1088 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1718 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1089 req->sv1 = newSVsv (fh_or_path); 1719 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1090
1091 if (SvPOK (req->sv1))
1092 {
1093 req->type = EIO_CHOWN;
1094 req->ptr1 = SvPVbyte_nolen (req->sv1);
1095 }
1096 else
1097 {
1098 req->type = EIO_FCHOWN;
1099 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1100 }
1101 1720
1102 REQ_SEND; 1721 REQ_SEND;
1103} 1722}
1104 1723
1105void 1724void
1106aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1725aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1107 PPCODE: 1726 PPCODE:
1108{ 1727{
1109 dREQ; 1728 dREQ;
1110 1729
1111 req->type = EIO_READDIR; 1730 req->type = EIO_READDIR;
1112 req->sv1 = newSVsv (pathname);
1113 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1731 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1115 1732
1116 if (flags & EIO_READDIR_DENTS) 1733 if (flags & EIO_READDIR_DENTS)
1117 req->int1 |= EIO_READDIR_CUSTOM2; 1734 req->int1 |= EIO_READDIR_CUSTOM2;
1118 1735
1736 req_set_path1 (req, pathname);
1737
1119 REQ_SEND; 1738 REQ_SEND;
1120} 1739}
1121 1740
1122void 1741void
1742aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1743 PPCODE:
1744{
1745 dREQ;
1746
1747 req->type = EIO_MKDIR;
1748 req->int2 = mode;
1749 req_set_path1 (req, pathname);
1750
1751 REQ_SEND;
1752}
1753
1754void
1123aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1755aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1124 ALIAS: 1756 ALIAS:
1125 aio_unlink = EIO_UNLINK 1757 aio_unlink = EIO_UNLINK
1126 aio_rmdir = EIO_RMDIR 1758 aio_rmdir = EIO_RMDIR
1127 aio_readdir = EIO_READDIR 1759 aio_readdir = EIO_READDIR
1128 PPCODE: 1760 PPCODE:
1129{ 1761{
1130 dREQ; 1762 dREQ;
1131 1763
1132 req->type = ix; 1764 req->type = ix;
1133 req->sv1 = newSVsv (pathname); 1765 req_set_path1 (req, pathname);
1134 req->ptr1 = SvPVbyte_nolen (req->sv1);
1135 1766
1136 REQ_SEND; 1767 REQ_SEND;
1137} 1768}
1138 1769
1139void 1770void
1140aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1771aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1141 ALIAS: 1772 ALIAS:
1142 aio_link = EIO_LINK 1773 aio_link = EIO_LINK
1143 aio_symlink = EIO_SYMLINK 1774 aio_symlink = EIO_SYMLINK
1144 aio_rename = EIO_RENAME 1775 aio_rename = EIO_RENAME
1145 PPCODE: 1776 PPCODE:
1146{ 1777{
1778 eio_wd wd2 = 0;
1147 dREQ; 1779 dREQ;
1148 1780
1149 req->type = ix; 1781 req->type = ix;
1150 req->sv1 = newSVsv (oldpath); 1782 req_set_path1 (req, oldpath);
1151 req->ptr1 = SvPVbyte_nolen (req->sv1); 1783 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1152 req->sv2 = newSVsv (newpath); 1784 req->int3 = (long)wd2;
1153 req->ptr2 = SvPVbyte_nolen (req->sv2);
1154 1785
1155 REQ_SEND; 1786 REQ_SEND;
1156} 1787}
1157 1788
1158void 1789void
1790aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1791 PPCODE:
1792{
1793 eio_wd wd2 = 0;
1794 dREQ;
1795
1796 req->type = EIO_RENAME;
1797 req_set_path1 (req, oldpath);
1798 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1799 req->int2 = flags;
1800 req->int3 = (long)wd2;
1801
1802 REQ_SEND;
1803}
1804
1805void
1159aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1806aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1160 PPCODE: 1807 PPCODE:
1161{ 1808{
1162 dREQ; 1809 dREQ;
1163 1810
1164 req->type = EIO_MKNOD; 1811 req->type = EIO_MKNOD;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int2 = (mode_t)mode; 1812 req->int2 = (mode_t)mode;
1168 req->offs = dev; 1813 req->offs = dev;
1814 req_set_path1 (req, pathname);
1169 1815
1170 REQ_SEND; 1816 REQ_SEND;
1171} 1817}
1172 1818
1173void 1819void
1174aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1820aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1175 ALIAS: 1821 ALIAS:
1176 aio_mtouch = EIO_MTOUCH 1822 aio_mtouch = EIO_MTOUCH
1177 aio_msync = EIO_MSYNC 1823 aio_msync = EIO_MSYNC
1178 PROTOTYPE: $$$$;$
1179 PPCODE: 1824 PPCODE:
1180{ 1825{
1181 STRLEN svlen; 1826 STRLEN svlen;
1827 char *svptr = SvPVbyte (data, svlen);
1182 UV len = SvUV (length); 1828 UV len = SvUV (length);
1183 char *svptr = SvPVbyte (data, svlen); 1829
1830 if (flags < 0)
1831 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1184 1832
1185 if (offset < 0) 1833 if (offset < 0)
1186 offset += svlen; 1834 offset += svlen;
1187 1835
1188 if (offset < 0 || offset > svlen) 1836 if (offset < 0 || offset > svlen)
… …
1193 1841
1194 { 1842 {
1195 dREQ; 1843 dREQ;
1196 1844
1197 req->type = ix; 1845 req->type = ix;
1198 req->size = len;
1199 req->sv2 = SvREFCNT_inc (data); 1846 req->sv2 = SvREFCNT_inc (data);
1200 req->ptr2 = (char *)svptr + offset; 1847 req->ptr2 = (char *)svptr + offset;
1848 req->size = len;
1201 req->int1 = flags; 1849 req->int1 = flags;
1202 1850
1203 REQ_SEND; 1851 REQ_SEND;
1204 } 1852 }
1205} 1853}
1206 1854
1207void 1855void
1856aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1857 PPCODE:
1858{
1859 STRLEN svlen;
1860 char *svptr = SvPVbyte (data, svlen);
1861 UV len = SvUV (length);
1862
1863 if (offset < 0)
1864 offset += svlen;
1865
1866 if (offset < 0 || offset > svlen)
1867 croak ("offset outside of scalar");
1868
1869 if (!SvOK (length) || len + offset > svlen)
1870 len = svlen - offset;
1871
1872 {
1873 dREQ;
1874
1875 req->type = EIO_MLOCK;
1876 req->sv2 = SvREFCNT_inc (data);
1877 req->ptr2 = (char *)svptr + offset;
1878 req->size = len;
1879
1880 REQ_SEND;
1881 }
1882}
1883
1884void
1885aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1886 PPCODE:
1887{
1888 dREQ;
1889
1890 req->type = EIO_MLOCKALL;
1891 req->int1 = flags;
1892
1893 REQ_SEND;
1894}
1895
1896void
1897aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1898 PPCODE:
1899{
1900 int fd = s_fileno_croak (fh, 0);
1901 dREQ;
1902
1903 req->type = EIO_CUSTOM;
1904 req->sv1 = newSVsv (fh);
1905 req->int1 = fd;
1906
1907 req->feed = fiemap;
1908#if HAVE_FIEMAP
1909 /* keep our fingers crossed that the next two types are 64 bit */
1910 req->offs = start;
1911 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1912 req->int2 = flags;
1913 req->int3 = SvOK (count) ? SvIV (count) : -1;
1914#endif
1915
1916 REQ_SEND;
1917}
1918
1919void
1920aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1921 PPCODE:
1922{
1923 char *svptr = 0;
1924
1925 sv_clear_foreign (data);
1926
1927 if (length) /* known length, directly read into scalar */
1928 {
1929 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1930 svptr = sv_grow (data, length + 1);
1931 else if (SvCUR (data) < length)
1932 croak ("length outside of scalar, and cannot grow");
1933 else
1934 svptr = SvPVbyte_nolen (data);
1935 }
1936
1937 {
1938 dREQ;
1939
1940 req->type = EIO_SLURP;
1941 req_set_path1 (req, pathname);
1942 req->offs = offset;
1943 req->size = length;
1944 req->sv2 = SvREFCNT_inc (data);
1945 req->ptr2 = svptr;
1946
1947 if (!SvREADONLY (data))
1948 {
1949 SvREADONLY_on (data);
1950 req->flags |= FLAG_SV2_RO_OFF;
1951 }
1952
1953 REQ_SEND;
1954 }
1955}
1956
1957void
1208aio_busy (double delay, SV *callback=&PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1209 PPCODE: 1959 PPCODE:
1210{ 1960{
1211 dREQ; 1961 dREQ;
1212 1962
1213 req->type = EIO_BUSY; 1963 req->type = EIO_BUSY;
… …
1215 1965
1216 REQ_SEND; 1966 REQ_SEND;
1217} 1967}
1218 1968
1219void 1969void
1220aio_group (SV *callback=&PL_sv_undef) 1970aio_group (SV *callback = &PL_sv_undef)
1221 PROTOTYPE: ;$
1222 PPCODE: 1971 PPCODE:
1223{ 1972{
1224 dREQ; 1973 dREQ;
1225 1974
1226 req->type = EIO_GROUP; 1975 req->type = EIO_GROUP;
1227 1976
1977 PUTBACK;
1228 req_submit (req); 1978 req_submit (req);
1979 SPAGAIN;
1980
1229 XPUSHs (req_sv (req, aio_grp_stash)); 1981 XPUSHs (req_sv (req, aio_grp_stash));
1230} 1982}
1231 1983
1232void 1984void
1233aio_nop (SV *callback=&PL_sv_undef) 1985aio_nop (SV *callback = &PL_sv_undef)
1234 ALIAS: 1986 ALIAS:
1235 aio_nop = EIO_NOP 1987 aio_nop = EIO_NOP
1236 aio_sync = EIO_SYNC 1988 aio_sync = EIO_SYNC
1237 PPCODE: 1989 PPCODE:
1238{ 1990{
… …
1242 1994
1243 REQ_SEND; 1995 REQ_SEND;
1244} 1996}
1245 1997
1246int 1998int
1247aioreq_pri (int pri = 0) 1999aioreq_pri (int pri = NO_INIT)
1248 PROTOTYPE: ;$
1249 CODE: 2000 CODE:
1250 RETVAL = next_pri; 2001 RETVAL = next_pri;
1251 if (items > 0) 2002 if (items > 0)
1252 { 2003 {
1253 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2004 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1265 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2016 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1266 next_pri = nice; 2017 next_pri = nice;
1267 2018
1268void 2019void
1269flush () 2020flush ()
1270 PROTOTYPE:
1271 CODE: 2021 CODE:
1272 while (eio_nreqs ()) 2022 while (eio_nreqs ())
1273 { 2023 {
1274 poll_wait (); 2024 poll_wait ();
1275 poll_cb (); 2025 poll_cb ();
1276 } 2026 }
1277 2027
1278int 2028int
1279poll() 2029poll ()
1280 PROTOTYPE:
1281 CODE: 2030 CODE:
1282 poll_wait (); 2031 poll_wait ();
1283 RETVAL = poll_cb (); 2032 RETVAL = poll_cb ();
1284 OUTPUT: 2033 OUTPUT:
1285 RETVAL 2034 RETVAL
1286 2035
1287int 2036int
1288poll_fileno() 2037poll_fileno ()
1289 PROTOTYPE:
1290 CODE: 2038 CODE:
1291 RETVAL = s_epipe_fd (&respipe); 2039 RETVAL = s_epipe_fd (&respipe);
1292 OUTPUT: 2040 OUTPUT:
1293 RETVAL 2041 RETVAL
1294 2042
1295int 2043int
1296poll_cb(...) 2044poll_cb (...)
1297 PROTOTYPE: 2045 PROTOTYPE:
1298 CODE: 2046 CODE:
1299 RETVAL = poll_cb (); 2047 RETVAL = poll_cb ();
1300 OUTPUT: 2048 OUTPUT:
1301 RETVAL 2049 RETVAL
1302 2050
1303void 2051void
1304poll_wait() 2052poll_wait ()
1305 PROTOTYPE:
1306 CODE: 2053 CODE:
1307 poll_wait (); 2054 poll_wait ();
1308 2055
1309int 2056int
1310nreqs() 2057nreqs ()
1311 PROTOTYPE:
1312 CODE: 2058 CODE:
1313 RETVAL = eio_nreqs (); 2059 RETVAL = eio_nreqs ();
1314 OUTPUT: 2060 OUTPUT:
1315 RETVAL 2061 RETVAL
1316 2062
1317int 2063int
1318nready() 2064nready ()
1319 PROTOTYPE:
1320 CODE: 2065 CODE:
1321 RETVAL = eio_nready (); 2066 RETVAL = eio_nready ();
1322 OUTPUT: 2067 OUTPUT:
1323 RETVAL 2068 RETVAL
1324 2069
1325int 2070int
1326npending() 2071npending ()
1327 PROTOTYPE:
1328 CODE: 2072 CODE:
1329 RETVAL = eio_npending (); 2073 RETVAL = eio_npending ();
1330 OUTPUT: 2074 OUTPUT:
1331 RETVAL 2075 RETVAL
1332 2076
1333int 2077int
1334nthreads() 2078nthreads ()
1335 PROTOTYPE:
1336 CODE: 2079 CODE:
1337 RETVAL = eio_nthreads (); 2080 RETVAL = eio_nthreads ();
1338 OUTPUT: 2081 OUTPUT:
1339 RETVAL 2082 RETVAL
1340 2083
1341int 2084int
1342fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2085fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1343 PROTOTYPE: $$$$
1344 CODE: 2086 CODE:
1345#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1346 RETVAL = posix_fadvise (fh, offset, length, advice); 2087 RETVAL = posix_fadvise (fh, offset, length, advice);
1347#else
1348 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1349#endif
1350 OUTPUT: 2088 OUTPUT:
1351 RETVAL 2089 RETVAL
1352 2090
1353ssize_t 2091IV
1354sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2092sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1355 PROTOTYPE: $$$$
1356 CODE: 2093 CODE:
1357 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2094 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358 OUTPUT: 2095 OUTPUT:
1359 RETVAL 2096 RETVAL
1360 2097
1361void 2098void
1362mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2099mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1363 PROTOTYPE: $$$$$;$
1364 PPCODE: 2100 PPCODE:
1365 sv_unmagic (scalar, MMAP_MAGIC); 2101 sv_clear_foreign (scalar);
1366{ 2102{
1367 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2103 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1368 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2104 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369 if (addr == (void *)-1) 2105 if (addr == (void *)-1)
1370 XSRETURN_NO; 2106 XSRETURN_NO;
1371 2107
1372 /* we store the length in mg_obj, as namlen is I32 :/ */ 2108 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1373 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374 ->mg_obj = (SV *)length;
1375 2109
1376 SvUPGRADE (scalar, SVt_PV); /* nop... */
1377 if (!(prot & PROT_WRITE)) 2110 if (!(prot & PROT_WRITE))
1378 SvREADONLY_on (scalar); 2111 SvREADONLY_on (scalar);
1379 2112
1380 SvPVX (scalar) = (char *)addr;
1381 SvCUR_set (scalar, length);
1382 SvLEN_set (scalar, 0);
1383 SvPOK_only (scalar);
1384
1385 XSRETURN_YES; 2113 XSRETURN_YES;
1386} 2114}
1387 2115
1388void 2116void
1389munmap (SV *scalar) 2117munmap (SV *scalar)
1390 PROTOTYPE: $
1391 CODE: 2118 CODE:
1392 sv_unmagic (scalar, MMAP_MAGIC); 2119 sv_clear_foreign (scalar);
2120
2121SV *
2122mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2123 CODE:
2124{
2125 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2126 void *new;
2127
2128 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2129 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2130
2131 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2132
2133 RETVAL = &PL_sv_no;
2134
2135 if (new != (void *)-1)
2136 {
2137 RETVAL = new == (void *)mg->mg_ptr
2138 ? newSVpvn ("0 but true", 10)
2139 : &PL_sv_yes;
2140
2141 mg->mg_ptr = (char *)new;
2142 mg->mg_obj = (SV *)new_length;
2143
2144 SvPVX (scalar) = mg->mg_ptr;
2145 SvCUR_set (scalar, new_length);
2146 }
2147}
2148 OUTPUT:
2149 RETVAL
1393 2150
1394int 2151int
1395mlockall (int flags) 2152madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1396 PROTOTYPE: $ 2153 ALIAS:
2154 mprotect = 1
1397 CODE: 2155 CODE:
2156{
2157 STRLEN svlen;
2158 void *addr = SvPVbyte (scalar, svlen);
2159 STRLEN len = SvUV (length);
2160
2161 if (offset < 0)
2162 offset += svlen;
2163
2164 if (offset < 0 || offset > svlen)
2165 croak ("offset outside of scalar");
2166
2167 if (!SvOK (length) || len + offset > svlen)
2168 len = svlen - offset;
2169
2170 addr = (void *)(((intptr_t)addr) + offset);
2171 eio_page_align (&addr, &len);
2172
2173 switch (ix)
2174 {
2175 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2176 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2177 }
2178}
2179 OUTPUT:
2180 RETVAL
2181
2182int
2183munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2184 CODE:
2185{
2186 STRLEN svlen;
2187 void *addr = SvPVbyte (scalar, svlen);
2188 size_t len = SvUV (length);
2189
2190 if (offset < 0)
2191 offset += svlen;
2192
2193 if (offset < 0 || offset > svlen)
2194 croak ("offset outside of scalar");
2195
2196 if (!SvOK (length) || len + offset > svlen)
2197 len = svlen - offset;
2198
2199 addr = (void *)(((intptr_t)addr) + offset);
2200 eio_page_align (&addr, &len);
1398#if _POSIX_MEMLOCK 2201#if _POSIX_MEMLOCK_RANGE
1399#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2202 RETVAL = munlock (addr, len);
1400 extern int mallopt (int, int);
1401 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402#endif
1403 mlockall (flags);
1404#else 2203#else
1405 RETVAL = -1; 2204 RETVAL = EIO_ENOSYS ();
1406 errno = ENOSYS;
1407#endif 2205#endif
2206}
1408 OUTPUT: 2207 OUTPUT:
1409 RETVAL 2208 RETVAL
1410 2209
1411int 2210int
1412munlockall () 2211munlockall ()
1413 PROTOTYPE:
1414 CODE: 2212 CODE:
1415#if _POSIX_MEMLOCK 2213#if _POSIX_MEMLOCK
1416 munlockall (); 2214 munlockall ();
1417#else 2215#else
1418 RETVAL = -1; 2216 RETVAL = EIO_ENOSYS ();
1419 errno = ENOSYS;
1420#endif 2217#endif
1421 OUTPUT: 2218 OUTPUT:
1422 RETVAL 2219 RETVAL
2220
2221int
2222splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2223 CODE:
2224{
2225#if HAVE_LINUX_SPLICE
2226 loff_t off_in_, off_out_;
2227 RETVAL = splice (
2228 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2229 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2230 length, flags
2231 );
2232#else
2233 RETVAL = EIO_ENOSYS ();
2234#endif
2235}
2236 OUTPUT:
2237 RETVAL
2238
2239int
2240tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2241 CODE:
2242#if HAVE_LINUX_SPLICE
2243 RETVAL = tee (rfh, wfh, length, flags);
2244#else
2245 RETVAL = EIO_ENOSYS ();
2246#endif
2247 OUTPUT:
2248 RETVAL
2249
2250int
2251pipesize (aio_rfd rfh, int new_size = -1)
2252 PROTOTYPE: $;$
2253 CODE:
2254#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2255 if (new_size >= 0)
2256 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2257 else
2258 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2259#else
2260 errno = ENOSYS;
2261 RETVAL = -1;
2262#endif
2263 OUTPUT:
2264 RETVAL
2265
2266void
2267pipe2 (int flags = 0)
2268 PROTOTYPE: ;$
2269 PPCODE:
2270{
2271 int fd[2];
2272 int res;
2273
2274 if (flags)
2275#if HAVE_PIPE2
2276 res = pipe2 (fd, flags);
2277#else
2278 res = (errno = ENOSYS, -1);
2279#endif
2280 else
2281 res = pipe (fd);
2282
2283 if (!res)
2284 {
2285 EXTEND (SP, 2);
2286 PUSHs (newmortalFH (fd[0], O_RDONLY));
2287 PUSHs (newmortalFH (fd[1], O_WRONLY));
2288 }
2289}
2290
2291void
2292eventfd (unsigned int initval = 0, int flags = 0)
2293 PPCODE:
2294{
2295 int fd;
2296#if HAVE_EVENTFD
2297 fd = eventfd (initval, flags);
2298#else
2299 fd = (errno = ENOSYS, -1);
2300#endif
2301
2302 XPUSHs (newmortalFH (fd, O_RDWR));
2303}
2304
2305void
2306timerfd_create (int clockid, int flags = 0)
2307 PPCODE:
2308{
2309 int fd;
2310#if HAVE_TIMERFD
2311 fd = timerfd_create (clockid, flags);
2312#else
2313 fd = (errno = ENOSYS, -1);
2314#endif
2315
2316 XPUSHs (newmortalFH (fd, O_RDWR));
2317}
2318
2319void
2320timerfd_settime (SV *fh, int flags, NV interval, NV value)
2321 PPCODE:
2322{
2323 int fd = s_fileno_croak (fh, 0);
2324#if HAVE_TIMERFD
2325 int res;
2326 struct itimerspec its, ots;
2327
2328 ts_set (&its.it_interval, interval);
2329 ts_set (&its.it_value , value);
2330 res = timerfd_settime (fd, flags, &its, &ots);
2331
2332 if (!res)
2333 {
2334 EXTEND (SP, 2);
2335 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2336 PUSHs (newSVnv (ts_get (&ots.it_value)));
2337 }
2338#else
2339 errno = ENOSYS;
2340#endif
2341}
2342
2343void
2344timerfd_gettime (SV *fh)
2345 PPCODE:
2346{
2347 int fd = s_fileno_croak (fh, 0);
2348#if HAVE_TIMERFD
2349 int res;
2350 struct itimerspec ots;
2351 res = timerfd_gettime (fd, &ots);
2352
2353 if (!res)
2354 {
2355 EXTEND (SP, 2);
2356 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2357 PUSHs (newSVnv (ts_get (&ots.it_value)));
2358 }
2359#else
2360 errno = ENOSYS;
2361#endif
2362}
2363
2364UV
2365get_fdlimit ()
2366 CODE:
2367#if HAVE_RLIMITS
2368 struct rlimit rl;
2369 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2370 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2371#endif
2372 XSRETURN_UNDEF;
2373 OUTPUT:
2374 RETVAL
2375
2376void
2377min_fdlimit (UV limit = 0x7fffffffU)
2378 CODE:
2379{
2380#if HAVE_RLIMITS
2381 struct rlimit rl;
2382 rlim_t orig_rlim_max;
2383 UV bit;
2384
2385 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2386 goto fail;
2387
2388 if (rl.rlim_cur == RLIM_INFINITY)
2389 XSRETURN_YES;
2390
2391 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2392
2393 if (rl.rlim_cur < limit)
2394 {
2395 rl.rlim_cur = limit;
2396
2397 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2398 rl.rlim_max = rl.rlim_cur;
2399 }
2400
2401 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2402 XSRETURN_YES;
2403
2404 if (errno == EPERM)
2405 {
2406 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2407 /* our limit overflows a system-wide limit */
2408 /* try an adaptive algorithm, but do not lower the hardlimit */
2409 rl.rlim_max = 0;
2410 for (bit = 0x40000000U; bit; bit >>= 1)
2411 {
2412 rl.rlim_max |= bit;
2413 rl.rlim_cur = rl.rlim_max;
2414
2415 /* nevr decrease the hard limit */
2416 if (rl.rlim_max < orig_rlim_max)
2417 break;
2418
2419 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2420 rl.rlim_max &= ~bit; /* too high, remove bit again */
2421 }
2422
2423 /* now, raise the soft limit to the max permitted */
2424 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2425 {
2426 rl.rlim_cur = rl.rlim_max;
2427 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2428 errno = EPERM;
2429 }
2430 }
2431#endif
2432 fail:
2433 XSRETURN_UNDEF;
2434}
1423 2435
1424void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1425 CODE: 2437 CODE:
1426 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1427 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1428 2440
1429PROTOTYPES: DISABLE 2441PROTOTYPES: DISABLE
1430 2442
2443MODULE = IO::AIO PACKAGE = IO::AIO::WD
2444
2445BOOT:
2446{
2447 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2448 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2449}
2450
2451void
2452DESTROY (SV *self)
2453 CODE:
2454{
2455 aio_wd wd = SvAIO_WD (self);
2456#if HAVE_AT
2457 {
2458 SV *callback = &PL_sv_undef;
2459 dREQ; /* clobbers next_pri :/ */
2460 next_pri = req->pri; /* restore next_pri */
2461 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2462 req->type = EIO_WD_CLOSE;
2463 req->wd = wd;
2464 REQ_SEND;
2465 }
2466#else
2467 eio_wd_close_sync (wd);
2468#endif
2469}
2470
1431MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2471MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1432 2472
1433void 2473void
1434cancel (aio_req_ornot req) 2474cancel (aio_req_ornot req)
1435 CODE: 2475 CODE:
1436 eio_cancel (req); 2476 eio_cancel (req);
1437 2477
1438void 2478void
1439cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2479cb (aio_req_ornot req, SV *callback = NO_INIT)
1440 PPCODE: 2480 PPCODE:
1441{ 2481{
1442 if (GIMME_V != G_VOID) 2482 if (GIMME_V != G_VOID)
1443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2483 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1444 2484
1445 if (items > 1) 2485 if (items > 1)
1446 { 2486 {
1447 SV *cb_cv =get_cb (callback); 2487 SV *cb_cv = get_cb (callback);
1448 2488
1449 SvREFCNT_dec (req->callback); 2489 SvREFCNT_dec (req->callback);
1450 req->callback = SvREFCNT_inc (cb_cv); 2490 req->callback = SvREFCNT_inc (cb_cv);
1451 } 2491 }
1452} 2492}
… …
1509limit (aio_req grp, int limit) 2549limit (aio_req grp, int limit)
1510 CODE: 2550 CODE:
1511 eio_grp_limit (grp, limit); 2551 eio_grp_limit (grp, limit);
1512 2552
1513void 2553void
1514feed (aio_req grp, SV *callback=&PL_sv_undef) 2554feed (aio_req grp, SV *callback = &PL_sv_undef)
1515 CODE: 2555 CODE:
1516{ 2556{
1517 SvREFCNT_dec (grp->sv2); 2557 SvREFCNT_dec (grp->sv2);
1518 grp->sv2 = newSVsv (callback); 2558 grp->sv2 = newSVsv (callback);
1519 grp->feed = aio_grp_feed; 2559 grp->feed = aio_grp_feed;

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