ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.263 by root, Sun Aug 12 06:03:20 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>
23#endif 25#endif
24 26
25#if !_POSIX_MAPPED_FILES 27/* the incompetent fool that created musl keeps __linux__, refuses
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 28 * to implement any linux standard apis, and also has no way to test
27# define munmap(addr,length) (errno = ENOSYS, -1) 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
28#endif 39#endif
29 40
30/* perl namespace pollution */ 41/* perl namespace pollution */
31#undef VERSION 42#undef VERSION
32
33#ifdef _WIN32
34
35# define EIO_STRUCT_DIRENT Direntry_t
36# undef malloc
37# undef free
38
39// perl overrides all those nice win32 functions
40# undef open
41# undef read
42# undef write
43# undef send
44# undef recv
45# undef stat
46# undef fstat
47# define lstat stat
48# undef truncate
49# undef ftruncate
50# undef open
51# undef close
52# undef unlink
53# undef rmdir
54# undef rename
55# undef lseek
56
57# define chown(a,b,c) (errno = ENOSYS, -1)
58# define fchown(a,b,c) (errno = ENOSYS, -1)
59# define fchmod(a,b) (errno = ENOSYS, -1)
60# define symlink(a,b) (errno = ENOSYS, -1)
61# define readlink(a,b,c) (errno = ENOSYS, -1)
62# define mknod(a,b,c) (errno = ENOSYS, -1)
63# define truncate(a,b) (errno = ENOSYS, -1)
64# define ftruncate(fd,o) chsize ((fd), (o))
65# define fsync(fd) _commit (fd)
66# define opendir(fd) (errno = ENOSYS, 0)
67# define readdir(fd) (errno = ENOSYS, -1)
68# define closedir(fd) (errno = ENOSYS, -1)
69# define mkdir(a,b) mkdir (a)
70
71#else
72
73# include <sys/time.h>
74# include <sys/select.h>
75# include <unistd.h>
76# include <utime.h>
77# include <signal.h>
78# define EIO_STRUCT_DIRENT struct dirent
79
80#endif
81 43
82/* perl stupidly overrides readdir and maybe others */ 44/* perl stupidly overrides readdir and maybe others */
83/* with thread-unsafe versions, imagine that :( */ 45/* with thread-unsafe versions, imagine that :( */
84#undef readdir 46#undef readdir
85#undef opendir 47#undef opendir
86#undef closedir 48#undef closedir
87 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
88#define EIO_STRUCT_STAT Stat_t 85 #define EIO_STRUCT_STATI64
89 86
90/* use NV for 32 bit perls as it allows larger offsets */
91#if IVSIZE >= 8
92# define VAL64 IV
93# define SvVAL64 SvIV
94# define newSVval64 newSViv
95#else 87#else
96# define VAL64 NV 88
97# define SvVAL64 SvNV 89 #include <sys/time.h>
98# 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
99#endif 97#endif
100 98
101/*****************************************************************************/ 99/*****************************************************************************/
102 100
103#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
109#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
110#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
111 109
112/*****************************************************************************/ 110/*****************************************************************************/
113 111
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
114typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
115typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
116typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
117 146
118static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 147static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119 148
120#define EIO_REQ_MEMBERS \ 149#define EIO_REQ_MEMBERS \
121 SV *callback; \ 150 SV *callback; \
122 SV *sv1, *sv2; \ 151 SV *sv1, *sv2; \
152 SV *sv3, *sv4; \
123 STRLEN stroffset; \ 153 STRLEN stroffset; \
124 SV *self; 154 SV *self;
125 155
126#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
127 157
128#include "libeio/eio.h" 158#include "libeio/eio.h"
129 159
130#ifndef POSIX_FADV_NORMAL 160static int req_invoke (eio_req *req);
131# define POSIX_FADV_NORMAL 0 161#define EIO_FINISH(req) req_invoke (req)
132# define NO_FADVISE 1 162static void req_destroy (eio_req *grp);
133#endif 163#define EIO_DESTROY(req) req_destroy (req)
134#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0
136#endif
137#ifndef POSIX_FADV_RANDOM
138# define POSIX_FADV_RANDOM 0
139#endif
140#ifndef POSIX_FADV_NOREUSE
141# define POSIX_FADV_NOREUSE 0
142#endif
143#ifndef POSIX_FADV_WILLNEED
144# define POSIX_FADV_WILLNEED 0
145#endif
146#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0
148#endif
149 164
150#ifndef ST_NODEV 165#include "libeio/eio.c"
151# define ST_NODEV 0
152#endif
153#ifndef ST_NOEXEC
154# define ST_NOEXEC 0
155#endif
156#ifndef ST_SYNCHRONOUS
157# define ST_SYNCHRONOUS 0
158#endif
159#ifndef ST_MANDLOCK
160# define ST_MANDLOCK 0
161#endif
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165#ifndef ST_APPEND
166# define ST_APPEND 0
167#endif
168#ifndef ST_IMMUTABLE
169# define ST_IMMUTABLE 0
170#endif
171#ifndef ST_NOATIME
172# define ST_NOATIME 0
173#endif
174#ifndef ST_NODIRATIME
175# define ST_NODIRATIME 0
176#endif
177#ifndef ST_RELATIME
178# define ST_RELATIME 0
179#endif
180 166
181#ifndef MCL_CURRENT 167#if !HAVE_POSIX_FADVISE
182# define MCL_CURRENT 0 168# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
183#endif 169#endif
184#ifndef MCL_FUTURE 170
185# define MCL_FUTURE 0 171#if !HAVE_POSIX_MADVISE
172# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
186#endif 173#endif
187 174
188#ifndef MAP_ANONYMOUS 175#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON 176# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON 177# define MAP_ANONYMOUS MAP_ANON
191# else 178# else
192# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 179# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193# endif 180# endif
194#endif 181#endif
195#ifndef MAP_HUGETLB
196# define MAP_HUGETLB 0
197#endif
198#ifndef MAP_LOCKED
199# define MAP_LOCKED 0
200#endif
201#ifndef MAP_NORESERVE
202# define MAP_NORESERVE 0
203#endif
204#ifndef MAP_POPULATE
205# define MAP_POPULATE 0
206#endif
207#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0
209#endif
210 182
211#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
212# define PAGESIZE sysconf (_SC_PAGESIZE) 194# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif 195#endif
214 196
215static int req_invoke (eio_req *req); 197/*****************************************************************************/
216#define EIO_FINISH(req) req_invoke (req) 198
217static void req_destroy (eio_req *grp); 199#if !_POSIX_MAPPED_FILES
218#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/*****************************************************************************/
219 397
220enum { 398enum {
221 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 399 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222}; 400};
223 401
224#include "libeio/eio.c"
225
226typedef eio_req *aio_req; 402typedef eio_req *aio_req;
227typedef eio_req *aio_req_ornot; 403typedef eio_req *aio_req_ornot;
404typedef eio_wd aio_wd;
228 405
229static SV *on_next_submit; 406static SV *on_next_submit;
230static int next_pri = EIO_PRI_DEFAULT; 407static int next_pri = EIO_PRI_DEFAULT;
231static int max_outstanding; 408static int max_outstanding;
232 409
233static s_epipe respipe; 410static s_epipe respipe;
234 411
235static void req_destroy (aio_req req); 412static void req_destroy (aio_req req);
236static void req_cancel (aio_req req); 413static void req_cancel (aio_req req);
237 414
238static void want_poll (void) 415static void
416want_poll (void)
239{ 417{
240 /* write a dummy byte to the pipe so fh becomes ready */ 418 /* write a dummy byte to the pipe so fh becomes ready */
241 s_epipe_signal (&respipe); 419 s_epipe_signal (&respipe);
242} 420}
243 421
244static void done_poll (void) 422static void
423done_poll (void)
245{ 424{
246 /* read any signals sent by the worker threads */ 425 /* read any signals sent by the worker threads */
247 s_epipe_drain (&respipe); 426 s_epipe_drain (&respipe);
248} 427}
249 428
250/* must be called at most once */ 429/* must be called at most once */
430static SV *
251static SV *req_sv (aio_req req, HV *stash) 431req_sv (aio_req req, HV *stash)
252{ 432{
253 if (!req->self) 433 if (!req->self)
254 { 434 {
255 req->self = (SV *)newHV (); 435 req->self = (SV *)newHV ();
256 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 436 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
257 } 437 }
258 438
259 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 439 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
260} 440}
261 441
262static 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)
263{ 450{
264 MAGIC *mg; 451 MAGIC *mg;
265 452
266 if (!SvROK (sv) 453 if (!SvROK (sv)
454 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
267 || (SvSTASH (SvRV (sv)) != aio_grp_stash 455 || (SvSTASH (SvRV (sv)) != aio_grp_stash
268 && SvSTASH (SvRV (sv)) != aio_req_stash 456 && SvSTASH (SvRV (sv)) != aio_req_stash
269 && !sv_derived_from (sv, "IO::AIO::REQ"))) 457 && !sv_derived_from (sv, "IO::AIO::REQ")))
270 croak ("object of class IO::AIO::REQ expected"); 458 croak ("object of class IO::AIO::REQ expected");
271 459
272 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 460 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273 461
274 return mg ? (aio_req)mg->mg_ptr : 0; 462 return mg ? (aio_req)mg->mg_ptr : 0;
275} 463}
276 464
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
277static void aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
278{ 503{
279 if (grp->sv2 && SvOK (grp->sv2)) 504 if (grp->sv2 && SvOK (grp->sv2))
280 { 505 {
281 dSP; 506 dSP;
282 507
… …
290 FREETMPS; 515 FREETMPS;
291 LEAVE; 516 LEAVE;
292 } 517 }
293} 518}
294 519
520static void
295static void req_submit (eio_req *req) 521req_submit (eio_req *req)
296{ 522{
297 eio_submit (req); 523 eio_submit (req);
298 524
299 if (expect_false (on_next_submit)) 525 if (expect_false (on_next_submit))
300 { 526 {
… …
307 PUTBACK; 533 PUTBACK;
308 call_sv (cb, G_DISCARD | G_EVAL); 534 call_sv (cb, G_DISCARD | G_EVAL);
309 } 535 }
310} 536}
311 537
538static int
312static int req_invoke (eio_req *req) 539req_invoke (eio_req *req)
313{ 540{
314 dSP;
315
316 if (req->flags & FLAG_SV2_RO_OFF) 541 if (req->flags & FLAG_SV2_RO_OFF)
317 SvREADONLY_off (req->sv2); 542 SvREADONLY_off (req->sv2);
318 543
319 if (!EIO_CANCELLED (req) && req->callback) 544 if (!EIO_CANCELLED (req) && req->callback)
320 { 545 {
546 dSP;
547 static SV *sv_result_cache; /* caches the result integer SV */
548 SV *sv_result;
549
321 ENTER; 550 ENTER;
322 SAVETMPS; 551 SAVETMPS;
323 PUSHMARK (SP); 552 PUSHMARK (SP);
324 EXTEND (SP, 1); 553 EXTEND (SP, 1);
325 554
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
326 switch (req->type) 568 switch (req->type)
327 { 569 {
570 case EIO_WD_OPEN:
571 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
572 break;
573
328 case EIO_READDIR: 574 case EIO_READDIR:
329 { 575 {
330 SV *rv = &PL_sv_undef; 576 SV *rv = &PL_sv_undef;
331 577
332 if (req->result >= 0) 578 if (req->result >= 0)
… …
385 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))));
386 } 632 }
387 break; 633 break;
388 634
389 case EIO_OPEN: 635 case EIO_OPEN:
390 { 636 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
391 /* convert fd to fh */
392 SV *fh = &PL_sv_undef;
393
394 if (req->result >= 0)
395 {
396 GV *gv = (GV *)sv_newmortal ();
397 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
398 char sym [64];
399 int symlen;
400
401 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
402 gv_init (gv, aio_stash, sym, symlen, 0);
403
404 symlen = snprintf (
405 sym,
406 sizeof (sym),
407 "%s&=%d",
408 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
409 (int)req->result
410 );
411
412 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
413 fh = (SV *)gv;
414 }
415
416 PUSHs (fh);
417 }
418 break; 637 break;
419 638
420 case EIO_STATVFS: 639 case EIO_STATVFS:
421 case EIO_FSTATVFS: 640 case EIO_FSTATVFS:
422 { 641 {
423 SV *rv = &PL_sv_undef; 642 SV *rv = &PL_sv_undef;
424 643
644#ifndef _WIN32
425 if (req->result >= 0) 645 if (req->result >= 0)
426 { 646 {
427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 647 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428 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));
429 654
430 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 655 rv = sv_2mortal (newRV_noinc ((SV *)hv));
431 656
432 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);
433 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);
… …
435 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);
436 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);
437 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);
438 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);
439 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);
440 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 665 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
441 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);
442 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);
443 } 668 }
669#endif
444 670
445 PUSHs (rv); 671 PUSHs (rv);
446 } 672 }
447 673
448 break; 674 break;
… …
464 case EIO_NOP: 690 case EIO_NOP:
465 case EIO_BUSY: 691 case EIO_BUSY:
466 break; 692 break;
467 693
468 case EIO_READLINK: 694 case EIO_READLINK:
695 case EIO_REALPATH:
469 if (req->result > 0) 696 if (req->result > 0)
470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 697 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471 break; 698 break;
472 699
473 case EIO_STAT: 700 case EIO_STAT:
474 case EIO_LSTAT: 701 case EIO_LSTAT:
475 case EIO_FSTAT: 702 case EIO_FSTAT:
476 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 703 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
704
477 PL_laststatval = req->result; 705 if (!(PL_laststatval = req->result))
706 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 707 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479 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)));
480 break; 714 break;
481 715
482 case EIO_READ: 716 case EIO_READ:
483 { 717 {
484 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));
485 *SvEND (req->sv2) = 0; 719 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2); 720 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
488 PUSHs (sv_2mortal (newSViv (req->result))); 722 PUSHs (sv_result);
489 } 723 }
490 break; 724 break;
491 725
492 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 */
493 if (req->result > 0) 791 if (req->result > 0)
494 req->result = 0; 792 SvIV_set (sv_result, 0);
495 /* FALLTHROUGH */ 793 /* FALLTHROUGH */
496 794
497 default: 795 default:
498 PUSHs (sv_2mortal (newSViv (req->result))); 796 PUSHs (sv_result);
499 break; 797 break;
500 } 798 }
501 799
502 errno = req->errorno; 800 errno = req->errorno;
503 801
504 PUTBACK; 802 PUTBACK;
505 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 803 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506 SPAGAIN; 804 SPAGAIN;
507 805
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
508 FREETMPS; 811 FREETMPS;
509 LEAVE; 812 LEAVE;
510 813
511 PUTBACK; 814 PUTBACK;
512 } 815 }
513 816
514 return !!SvTRUE (ERRSV); 817 return !!SvTRUE (ERRSV);
515} 818}
516 819
820static void
517static void req_destroy (aio_req req) 821req_destroy (aio_req req)
518{ 822{
519 if (req->self) 823 if (req->self)
520 { 824 {
521 sv_unmagic (req->self, PERL_MAGIC_ext); 825 sv_unmagic (req->self, PERL_MAGIC_ext);
522 SvREFCNT_dec (req->self); 826 SvREFCNT_dec (req->self);
523 } 827 }
524 828
525 SvREFCNT_dec (req->sv1); 829 SvREFCNT_dec (req->sv1);
526 SvREFCNT_dec (req->sv2); 830 SvREFCNT_dec (req->sv2);
831 SvREFCNT_dec (req->sv3);
832 SvREFCNT_dec (req->sv4);
527 SvREFCNT_dec (req->callback); 833 SvREFCNT_dec (req->callback);
528 834
529 Safefree (req); 835 free (req);
530} 836}
531 837
838static void
532static void req_cancel_subs (aio_req grp) 839req_cancel_subs (aio_req grp)
533{ 840{
534 aio_req sub;
535
536 if (grp->type != EIO_GROUP) 841 if (grp->type != EIO_GROUP)
537 return; 842 return;
538 843
539 SvREFCNT_dec (grp->sv2); 844 SvREFCNT_dec (grp->sv2);
540 grp->sv2 = 0; 845 grp->sv2 = 0;
541 846
542 eio_grp_cancel (grp); 847 eio_grp_cancel (grp);
543} 848}
544 849
545static void 850static void ecb_cold
546create_respipe (void) 851create_respipe (void)
547{ 852{
548 if (s_epipe_renew (&respipe)) 853 if (s_epipe_renew (&respipe))
549 croak ("IO::AIO: unable to initialize result pipe"); 854 croak ("IO::AIO: unable to initialize result pipe");
550} 855}
551 856
552static void poll_wait (void) 857static void
858poll_wait (void)
553{ 859{
554 while (eio_nreqs ()) 860 while (eio_nreqs ())
555 { 861 {
556 int size; 862 int size;
557 863
558 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
559 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
560 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
561 867
562 if (size) 868 if (size)
563 return; 869 return;
564 870
565 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
566 872
567 s_epipe_wait (&respipe); 873 s_epipe_wait (&respipe);
568 } 874 }
569} 875}
570 876
571static int poll_cb (void) 877static int
878poll_cb (void)
572{ 879{
573 for (;;) 880 for (;;)
574 { 881 {
575 int res = eio_poll (); 882 int res = eio_poll ();
576 883
… …
582 889
583 poll_wait (); 890 poll_wait ();
584 } 891 }
585} 892}
586 893
587static void atfork_child (void) 894static void ecb_cold
895reinit (void)
588{ 896{
589 create_respipe (); 897 create_respipe ();
590}
591 898
592/*****************************************************************************/ 899 if (eio_init (want_poll, done_poll) < 0)
593 900 croak ("IO::AIO: unable to initialise eio library");
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)
665 const_iv (O_RDONLY) 1045
666 const_iv (O_WRONLY) 1046 /* for lseek */
667 const_iv (O_CREAT) 1047 const_iv (SEEK_DATA)
668 const_iv (O_TRUNC)
669#ifndef _WIN32
670 const_iv (S_IFIFO) 1048 const_iv (SEEK_HOLE)
671#endif 1049
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 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
1066 const_iv (O_RDONLY)
1067 const_iv (O_WRONLY)
1068 const_iv (O_RDWR)
1069 const_iv (O_CREAT)
1070 const_iv (O_TRUNC)
1071 const_iv (O_EXCL)
1072 const_iv (O_APPEND)
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
1092 const_iv (S_IFIFO)
1093 const_iv (S_IFCHR)
1094 const_iv (S_IFBLK)
1095 const_iv (S_IFLNK)
1096 const_iv (S_IFREG)
1097 const_iv (S_IFDIR)
1098 const_iv (S_IFWHT)
1099 const_iv (S_IFSOCK)
1100 const_iv (S_IFMT)
678 1101
679 const_iv (ST_RDONLY) 1102 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 1103 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 1104 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 1105 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 1110 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 1111 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 1112 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 1113 const_iv (ST_RELATIME)
691 1114
1115 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 1116 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 1117 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 1118 const_iv (PROT_WRITE)
696 1119
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 1120 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED) 1121 const_iv (MAP_SHARED)
1122 const_iv (MAP_FIXED)
700 const_iv (MAP_ANONYMOUS) 1123 const_iv (MAP_ANONYMOUS)
701 1124
702 /* linuxish */ 1125 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED) 1126 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 1127 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 1128 const_iv (MAP_POPULATE)
707 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)
708 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
709 const_iv (MCL_FUTURE) 1245 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 1246 const_eio (MCL_CURRENT)
711 1247
712 const_eio (MS_ASYNC) 1248 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 1249 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 1250 const_eio (MS_SYNC)
715 1251
716 const_eio (MT_MODIFY) 1252 const_eio (MT_MODIFY)
717 1253
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1254 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 1255 const_eio (SYNC_FILE_RANGE_WRITE)
720 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)
721 1268
722 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
… …
736 }; 1283 };
737 1284
738 aio_stash = gv_stashpv ("IO::AIO" , 1); 1285 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1286 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 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);
741 1289
742 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--)
743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1291 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744 1292
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1293 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746 1294
747 create_respipe (); 1295 reinit ();
748
749 if (eio_init (want_poll, done_poll) < 0)
750 croak ("IO::AIO: unable to initialise eio library");
751
752 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child);
754} 1296}
755 1297
756void 1298void
1299reinit ()
1300 PROTOTYPE:
1301
1302void
757max_poll_reqs (int nreqs) 1303max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 1304 PROTOTYPE: $
759 CODE: 1305 CODE:
760 eio_set_max_poll_reqs (nreqs); 1306 eio_set_max_poll_reqs (nreqs);
761 1307
762void 1308void
… …
764 PROTOTYPE: $ 1310 PROTOTYPE: $
765 CODE: 1311 CODE:
766 eio_set_max_poll_time (nseconds); 1312 eio_set_max_poll_time (nseconds);
767 1313
768void 1314void
769min_parallel (int nthreads) 1315min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 1316 PROTOTYPE: $
771 CODE: 1317 CODE:
772 eio_set_min_parallel (nthreads); 1318 eio_set_min_parallel (nthreads);
773 1319
774void 1320void
775max_parallel (int nthreads) 1321max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 1322 PROTOTYPE: $
777 CODE: 1323 CODE:
778 eio_set_max_parallel (nthreads); 1324 eio_set_max_parallel (nthreads);
779 1325
780void 1326void
781max_idle (int nthreads) 1327max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 1328 PROTOTYPE: $
783 CODE: 1329 CODE:
784 eio_set_max_idle (nthreads); 1330 eio_set_max_idle (nthreads);
785 1331
786void 1332void
1333idle_timeout (unsigned int seconds)
1334 PROTOTYPE: $
1335 CODE:
1336 eio_set_idle_timeout (seconds);
1337
1338void
787max_outstanding (int maxreqs) 1339max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 1340 PROTOTYPE: $
789 CODE: 1341 CODE:
790 max_outstanding = maxreqs; 1342 max_outstanding = maxreqs;
791 1343
792void 1344void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1345aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1346 PPCODE:
796{ 1347{
797 dREQ; 1348 dREQ;
798 1349
1350 req->type = EIO_WD_OPEN;
1351 req_set_path1 (req, pathname);
1352
1353 REQ_SEND;
1354}
1355
1356void
1357aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1358 PPCODE:
1359{
1360 dREQ;
1361
799 req->type = EIO_OPEN; 1362 req->type = EIO_OPEN;
800 req->sv1 = newSVsv (pathname); 1363 req_set_path1 (req, pathname);
801 req->ptr1 = SvPVbyte_nolen (req->sv1);
802 req->int1 = flags; 1364 req->int1 = flags;
803 req->int2 = mode; 1365 req->int2 = mode;
804 1366
805 REQ_SEND; 1367 REQ_SEND;
806} 1368}
807 1369
808void 1370void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1371aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 1372 ALIAS:
812 aio_fsync = EIO_FSYNC 1373 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 1374 aio_fdatasync = EIO_FDATASYNC
1375 aio_syncfs = EIO_SYNCFS
814 PPCODE: 1376 PPCODE:
815{ 1377{
816 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
817 dREQ; 1379 dREQ;
818 1380
819 req->type = ix; 1381 req->type = ix;
820 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
821 req->int1 = fd; 1383 req->int1 = fd;
822 1384
823 REQ_SEND (req); 1385 REQ_SEND;
824} 1386}
825 1387
826void 1388void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1389aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1390 PPCODE:
830{ 1391{
831 int fd = s_fileno_croak (fh, 0); 1392 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1393 dREQ;
833 1394
834 req->type = EIO_SYNC_FILE_RANGE; 1395 req->type = EIO_SYNC_FILE_RANGE;
835 req->sv1 = newSVsv (fh); 1396 req->sv1 = newSVsv (fh);
836 req->int1 = fd; 1397 req->int1 = fd;
837 req->offs = offset; 1398 req->offs = offset;
838 req->size = nbytes; 1399 req->size = nbytes;
839 req->int2 = flags; 1400 req->int2 = flags;
840 1401
841 REQ_SEND (req); 1402 REQ_SEND;
842} 1403}
843 1404
844void 1405void
845aio_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)
846 PROTOTYPE: $;$
847 PPCODE: 1407 PPCODE:
848{ 1408{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1409 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1410 dREQ;
852 1411
853 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))
854 { 1431 {
855 int pipefd [2]; 1432 int pipefd [2];
856 1433
1434 if (
1435#ifdef _WIN32
1436 _pipe (pipefd, 1, _O_BINARY) < 0
1437#else
857 if (pipe (pipefd) < 0 1438 pipe (pipefd) < 0
858 || close (pipefd [1]) < 0
859 || 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 )
860 abort (); /*D*/ 1443 abort (); /*D*/
861 1444
862 close_pipe = pipefd [0]; 1445 close_fd = pipefd [0];
863 } 1446 }
864 1447
865 req->type = EIO_DUP2; 1448 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1449 req->int1 = close_fd;
867 req->sv2 = newSVsv (fh); 1450 req->sv2 = newSVsv (fh);
868 req->int2 = fd; 1451 req->int2 = fd;
869 1452
870 REQ_SEND (req); 1453 REQ_SEND;
871} 1454}
872 1455
873void 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
874aio_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)
875 ALIAS: 1474 ALIAS:
876 aio_read = EIO_READ 1475 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1476 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1477 PPCODE:
880{ 1478{
881 STRLEN svlen; 1479 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1480 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1481 char *svptr = SvPVbyte (data, svlen);
… …
896 len = svlen - dataoffset; 1494 len = svlen - dataoffset;
897 } 1495 }
898 else 1496 else
899 { 1497 {
900 /* read: check type and grow scalar as necessary */ 1498 /* read: check type and grow scalar as necessary */
901 SvUPGRADE (data, SVt_PV); 1499 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
902 svptr = SvGROW (data, len + dataoffset + 1); 1500 svptr = sv_grow (data, len + dataoffset + 1);
1501 else if (SvCUR (data) < len + dataoffset)
1502 croak ("length + dataoffset outside of scalar, and cannot grow");
903 } 1503 }
904 1504
905 { 1505 {
906 dREQ; 1506 dREQ;
907 1507
… …
923 REQ_SEND; 1523 REQ_SEND;
924 } 1524 }
925} 1525}
926 1526
927void 1527void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
929 PROTOTYPE: $$;$ 1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
930 PPCODE: 1532 PPCODE:
931{ 1533{
932 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{
933 dREQ; 1574 dREQ;
934 1575
935 req->type = EIO_READLINK; 1576 req->type = ix;
936 req->sv1 = newSVsv (path); 1577 req_set_path1 (req, pathname);
937 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1578
939 REQ_SEND; 1579 REQ_SEND;
940} 1580}
941 1581
942void 1582void
943aio_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)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1584 PPCODE:
946{ 1585{
947 int ifd = s_fileno_croak (in_fh , 0); 1586 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1587 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1588 dREQ;
950 1589
951 req->type = EIO_SENDFILE; 1590 req->type = EIO_SENDFILE;
952 req->sv1 = newSVsv (out_fh); 1591 req->sv1 = newSVsv (out_fh);
953 req->int1 = ofd; 1592 req->int1 = ofd;
… …
958 1597
959 REQ_SEND; 1598 REQ_SEND;
960} 1599}
961 1600
962void 1601void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1602aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1603 PPCODE:
966{ 1604{
967 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1606 dREQ;
969 1607
970 req->type = EIO_READAHEAD; 1608 req->type = EIO_READAHEAD;
971 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
972 req->int1 = fd; 1610 req->int1 = fd;
… …
975 1613
976 REQ_SEND; 1614 REQ_SEND;
977} 1615}
978 1616
979void 1617void
980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1618aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
981 ALIAS: 1619 ALIAS:
982 aio_stat = EIO_STAT 1620 aio_stat = EIO_STAT
983 aio_lstat = EIO_LSTAT 1621 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS 1622 aio_statvfs = EIO_STATVFS
985 PPCODE: 1623 PPCODE:
986{ 1624{
987 dREQ; 1625 dREQ;
988 1626
989 req->sv1 = newSVsv (fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991 if (SvPOK (req->sv1))
992 {
993 req->type = ix;
994 req->ptr1 = SvPVbyte_nolen (req->sv1);
995 }
996 else
997 {
998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000 }
1001 1628
1002 REQ_SEND; 1629 REQ_SEND;
1003} 1630}
1004 1631
1005void 1632void
1633st_xtime ()
1634 ALIAS:
1635 st_atime = 1
1636 st_mtime = 2
1637 st_ctime = 4
1638 st_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
1646st_xtimensec ()
1647 ALIAS:
1648 st_atimensec = 1
1649 st_mtimensec = 2
1650 st_ctimensec = 4
1651 st_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
1006aio_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)
1007 PPCODE: 1676 PPCODE:
1008{ 1677{
1009 dREQ; 1678 dREQ;
1010 1679
1011 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1680 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1681 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015 if (SvPOK (req->sv1))
1016 {
1017 req->type = EIO_UTIME;
1018 req->ptr1 = SvPVbyte_nolen (req->sv1);
1019 }
1020 else
1021 {
1022 req->type = EIO_FUTIME;
1023 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024 }
1025 1683
1026 REQ_SEND; 1684 REQ_SEND;
1027} 1685}
1028 1686
1029void 1687void
1030aio_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)
1031 PPCODE: 1689 PPCODE:
1032{ 1690{
1033 dREQ; 1691 dREQ;
1034 1692
1035 req->sv1 = newSVsv (fh_or_path);
1036 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1693 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037 1694 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038 if (SvPOK (req->sv1))
1039 {
1040 req->type = EIO_TRUNCATE;
1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
1042 }
1043 else
1044 {
1045 req->type = EIO_FTRUNCATE;
1046 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047 }
1048 1695
1049 REQ_SEND; 1696 REQ_SEND;
1050} 1697}
1051 1698
1052void 1699void
1053aio_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)
1054 ALIAS:
1055 aio_chmod = EIO_CHMOD
1056 aio_mkdir = EIO_MKDIR
1057 PPCODE: 1701 PPCODE:
1058{ 1702{
1059 dREQ; 1703 dREQ;
1060 1704
1061 req->int2 = mode; 1705 req->int2 = mode;
1062 req->sv1 = newSVsv (fh_or_path); 1706 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064 if (SvPOK (req->sv1))
1065 {
1066 req->type = ix;
1067 req->ptr1 = SvPVbyte_nolen (req->sv1);
1068 }
1069 else
1070 {
1071 req->type = EIO_FCHMOD;
1072 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073 }
1074 1707
1075 REQ_SEND; 1708 REQ_SEND;
1076} 1709}
1077 1710
1078void 1711void
1079aio_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)
1080 PPCODE: 1713 PPCODE:
1081{ 1714{
1082 dREQ; 1715 dREQ;
1083 1716
1084 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1717 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1718 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086 req->sv1 = newSVsv (fh_or_path); 1719 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088 if (SvPOK (req->sv1))
1089 {
1090 req->type = EIO_CHOWN;
1091 req->ptr1 = SvPVbyte_nolen (req->sv1);
1092 }
1093 else
1094 {
1095 req->type = EIO_FCHOWN;
1096 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097 }
1098 1720
1099 REQ_SEND; 1721 REQ_SEND;
1100} 1722}
1101 1723
1102void 1724void
1103aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1725aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1726 PPCODE:
1105{ 1727{
1106 dREQ; 1728 dREQ;
1107 1729
1108 req->type = EIO_READDIR; 1730 req->type = EIO_READDIR;
1109 req->sv1 = newSVsv (pathname);
1110 req->ptr1 = SvPVbyte_nolen (req->sv1);
1111 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1731 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112 1732
1113 if (flags & EIO_READDIR_DENTS) 1733 if (flags & EIO_READDIR_DENTS)
1114 req->int1 |= EIO_READDIR_CUSTOM2; 1734 req->int1 |= EIO_READDIR_CUSTOM2;
1115 1735
1736 req_set_path1 (req, pathname);
1737
1116 REQ_SEND; 1738 REQ_SEND;
1117} 1739}
1118 1740
1119void 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
1120aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1755aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1121 ALIAS: 1756 ALIAS:
1122 aio_unlink = EIO_UNLINK 1757 aio_unlink = EIO_UNLINK
1123 aio_rmdir = EIO_RMDIR 1758 aio_rmdir = EIO_RMDIR
1124 aio_readdir = EIO_READDIR 1759 aio_readdir = EIO_READDIR
1125 PPCODE: 1760 PPCODE:
1126{ 1761{
1127 dREQ; 1762 dREQ;
1128 1763
1129 req->type = ix; 1764 req->type = ix;
1130 req->sv1 = newSVsv (pathname); 1765 req_set_path1 (req, pathname);
1131 req->ptr1 = SvPVbyte_nolen (req->sv1);
1132 1766
1133 REQ_SEND; 1767 REQ_SEND;
1134} 1768}
1135 1769
1136void 1770void
1137aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1771aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1138 ALIAS: 1772 ALIAS:
1139 aio_link = EIO_LINK 1773 aio_link = EIO_LINK
1140 aio_symlink = EIO_SYMLINK 1774 aio_symlink = EIO_SYMLINK
1141 aio_rename = EIO_RENAME 1775 aio_rename = EIO_RENAME
1142 PPCODE: 1776 PPCODE:
1143{ 1777{
1778 eio_wd wd2 = 0;
1144 dREQ; 1779 dREQ;
1145 1780
1146 req->type = ix; 1781 req->type = ix;
1147 req->sv1 = newSVsv (oldpath); 1782 req_set_path1 (req, oldpath);
1148 req->ptr1 = SvPVbyte_nolen (req->sv1); 1783 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149 req->sv2 = newSVsv (newpath); 1784 req->int3 = (long)wd2;
1150 req->ptr2 = SvPVbyte_nolen (req->sv2);
1151 1785
1152 REQ_SEND; 1786 REQ_SEND;
1153} 1787}
1154 1788
1155void 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
1156aio_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)
1157 PPCODE: 1807 PPCODE:
1158{ 1808{
1159 dREQ; 1809 dREQ;
1160 1810
1161 req->type = EIO_MKNOD; 1811 req->type = EIO_MKNOD;
1162 req->sv1 = newSVsv (pathname);
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 req->int2 = (mode_t)mode; 1812 req->int2 = (mode_t)mode;
1165 req->offs = dev; 1813 req->offs = dev;
1814 req_set_path1 (req, pathname);
1166 1815
1167 REQ_SEND; 1816 REQ_SEND;
1168} 1817}
1169 1818
1170void 1819void
1171aio_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)
1172 ALIAS: 1821 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1822 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1823 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1824 PPCODE:
1177{ 1825{
1178 STRLEN svlen; 1826 STRLEN svlen;
1827 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1828 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen); 1829
1830 if (flags < 0)
1831 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1181 1832
1182 if (offset < 0) 1833 if (offset < 0)
1183 offset += svlen; 1834 offset += svlen;
1184 1835
1185 if (offset < 0 || offset > svlen) 1836 if (offset < 0 || offset > svlen)
… …
1190 1841
1191 { 1842 {
1192 dREQ; 1843 dREQ;
1193 1844
1194 req->type = ix; 1845 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1846 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1847 req->ptr2 = (char *)svptr + offset;
1848 req->size = len;
1198 req->int1 = flags; 1849 req->int1 = flags;
1199 1850
1200 REQ_SEND; 1851 REQ_SEND;
1201 } 1852 }
1202} 1853}
1203 1854
1204void 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
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1206 PPCODE: 1959 PPCODE:
1207{ 1960{
1208 dREQ; 1961 dREQ;
1209 1962
1210 req->type = EIO_BUSY; 1963 req->type = EIO_BUSY;
… …
1212 1965
1213 REQ_SEND; 1966 REQ_SEND;
1214} 1967}
1215 1968
1216void 1969void
1217aio_group (SV *callback=&PL_sv_undef) 1970aio_group (SV *callback = &PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1971 PPCODE:
1220{ 1972{
1221 dREQ; 1973 dREQ;
1222 1974
1223 req->type = EIO_GROUP; 1975 req->type = EIO_GROUP;
1224 1976
1977 PUTBACK;
1225 req_submit (req); 1978 req_submit (req);
1979 SPAGAIN;
1980
1226 XPUSHs (req_sv (req, aio_grp_stash)); 1981 XPUSHs (req_sv (req, aio_grp_stash));
1227} 1982}
1228 1983
1229void 1984void
1230aio_nop (SV *callback=&PL_sv_undef) 1985aio_nop (SV *callback = &PL_sv_undef)
1231 ALIAS: 1986 ALIAS:
1232 aio_nop = EIO_NOP 1987 aio_nop = EIO_NOP
1233 aio_sync = EIO_SYNC 1988 aio_sync = EIO_SYNC
1234 PPCODE: 1989 PPCODE:
1235{ 1990{
… …
1239 1994
1240 REQ_SEND; 1995 REQ_SEND;
1241} 1996}
1242 1997
1243int 1998int
1244aioreq_pri (int pri = 0) 1999aioreq_pri (int pri = NO_INIT)
1245 PROTOTYPE: ;$
1246 CODE: 2000 CODE:
1247 RETVAL = next_pri; 2001 RETVAL = next_pri;
1248 if (items > 0) 2002 if (items > 0)
1249 { 2003 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2004 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2016 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 2017 next_pri = nice;
1264 2018
1265void 2019void
1266flush () 2020flush ()
1267 PROTOTYPE:
1268 CODE: 2021 CODE:
1269 while (eio_nreqs ()) 2022 while (eio_nreqs ())
1270 { 2023 {
1271 poll_wait (); 2024 poll_wait ();
1272 poll_cb (); 2025 poll_cb ();
1273 } 2026 }
1274 2027
1275int 2028int
1276poll() 2029poll ()
1277 PROTOTYPE:
1278 CODE: 2030 CODE:
1279 poll_wait (); 2031 poll_wait ();
1280 RETVAL = poll_cb (); 2032 RETVAL = poll_cb ();
1281 OUTPUT: 2033 OUTPUT:
1282 RETVAL 2034 RETVAL
1283 2035
1284int 2036int
1285poll_fileno() 2037poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 2038 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 2039 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 2040 OUTPUT:
1290 RETVAL 2041 RETVAL
1291 2042
1292int 2043int
1293poll_cb(...) 2044poll_cb (...)
1294 PROTOTYPE: 2045 PROTOTYPE:
1295 CODE: 2046 CODE:
1296 RETVAL = poll_cb (); 2047 RETVAL = poll_cb ();
1297 OUTPUT: 2048 OUTPUT:
1298 RETVAL 2049 RETVAL
1299 2050
1300void 2051void
1301poll_wait() 2052poll_wait ()
1302 PROTOTYPE:
1303 CODE: 2053 CODE:
1304 poll_wait (); 2054 poll_wait ();
1305 2055
1306int 2056int
1307nreqs() 2057nreqs ()
1308 PROTOTYPE:
1309 CODE: 2058 CODE:
1310 RETVAL = eio_nreqs (); 2059 RETVAL = eio_nreqs ();
1311 OUTPUT: 2060 OUTPUT:
1312 RETVAL 2061 RETVAL
1313 2062
1314int 2063int
1315nready() 2064nready ()
1316 PROTOTYPE:
1317 CODE: 2065 CODE:
1318 RETVAL = eio_nready (); 2066 RETVAL = eio_nready ();
1319 OUTPUT: 2067 OUTPUT:
1320 RETVAL 2068 RETVAL
1321 2069
1322int 2070int
1323npending() 2071npending ()
1324 PROTOTYPE:
1325 CODE: 2072 CODE:
1326 RETVAL = eio_npending (); 2073 RETVAL = eio_npending ();
1327 OUTPUT: 2074 OUTPUT:
1328 RETVAL 2075 RETVAL
1329 2076
1330int 2077int
1331nthreads() 2078nthreads ()
1332 PROTOTYPE:
1333 CODE: 2079 CODE:
1334 RETVAL = eio_nthreads (); 2080 RETVAL = eio_nthreads ();
1335 OUTPUT: 2081 OUTPUT:
1336 RETVAL 2082 RETVAL
1337 2083
1338int 2084int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2085fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 2086 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 2087 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 2088 OUTPUT:
1348 RETVAL 2089 RETVAL
1349 2090
1350ssize_t 2091IV
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2092sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 2093 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2094 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 2095 OUTPUT:
1356 RETVAL 2096 RETVAL
1357 2097
1358void 2098void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2099mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 2100 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 2101 sv_clear_foreign (scalar);
1363{ 2102{
1364 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;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2104 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 2105 if (addr == (void *)-1)
1367 XSRETURN_NO; 2106 XSRETURN_NO;
1368 2107
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 2108 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372 2109
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE)) 2110 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 2111 SvREADONLY_on (scalar);
1376 2112
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES; 2113 XSRETURN_YES;
1383} 2114}
1384 2115
1385void 2116void
1386munmap (SV *scalar) 2117munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 2118 CODE:
1389 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
1390 2150
1391int 2151int
1392mlockall (int flags) 2152madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 2153 ALIAS:
2154 mprotect = 1
1394 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);
1395#if _POSIX_MEMLOCK 2201#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2202 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 2203#else
1402 RETVAL = -1; 2204 RETVAL = EIO_ENOSYS ();
1403 errno = ENOSYS;
1404#endif 2205#endif
2206}
1405 OUTPUT: 2207 OUTPUT:
1406 RETVAL 2208 RETVAL
1407 2209
1408int 2210int
1409munlockall () 2211munlockall ()
1410 PROTOTYPE:
1411 CODE: 2212 CODE:
1412#if _POSIX_MEMLOCK 2213#if _POSIX_MEMLOCK
1413 munlockall (); 2214 munlockall ();
1414#else 2215#else
1415 RETVAL = -1; 2216 RETVAL = EIO_ENOSYS ();
1416 errno = ENOSYS;
1417#endif 2217#endif
1418 OUTPUT: 2218 OUTPUT:
1419 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}
1420 2435
1421void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1422 CODE: 2437 CODE:
1423 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425 2440
1426PROTOTYPES: DISABLE 2441PROTOTYPES: DISABLE
1427 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
1428MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2471MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429 2472
1430void 2473void
1431cancel (aio_req_ornot req) 2474cancel (aio_req_ornot req)
1432 CODE: 2475 CODE:
1433 eio_cancel (req); 2476 eio_cancel (req);
1434 2477
1435void 2478void
1436cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2479cb (aio_req_ornot req, SV *callback = NO_INIT)
1437 PPCODE: 2480 PPCODE:
1438{ 2481{
1439 if (GIMME_V != G_VOID) 2482 if (GIMME_V != G_VOID)
1440 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);
1441 2484
1442 if (items > 1) 2485 if (items > 1)
1443 { 2486 {
1444 SV *cb_cv =get_cb (callback); 2487 SV *cb_cv = get_cb (callback);
1445 2488
1446 SvREFCNT_dec (req->callback); 2489 SvREFCNT_dec (req->callback);
1447 req->callback = SvREFCNT_inc (cb_cv); 2490 req->callback = SvREFCNT_inc (cb_cv);
1448 } 2491 }
1449} 2492}
… …
1506limit (aio_req grp, int limit) 2549limit (aio_req grp, int limit)
1507 CODE: 2550 CODE:
1508 eio_grp_limit (grp, limit); 2551 eio_grp_limit (grp, limit);
1509 2552
1510void 2553void
1511feed (aio_req grp, SV *callback=&PL_sv_undef) 2554feed (aio_req grp, SV *callback = &PL_sv_undef)
1512 CODE: 2555 CODE:
1513{ 2556{
1514 SvREFCNT_dec (grp->sv2); 2557 SvREFCNT_dec (grp->sv2);
1515 grp->sv2 = newSVsv (callback); 2558 grp->sv2 = newSVsv (callback);
1516 grp->feed = aio_grp_feed; 2559 grp->feed = aio_grp_feed;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines