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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.256 by root, Tue Feb 20 06:54:46 2018 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
10 8
11#include <stddef.h> 9#include <stddef.h>
12#include <stdlib.h> 10#include <stdlib.h>
13#include <errno.h> 11#include <errno.h>
14#include <sys/types.h> 12#include <sys/types.h>
15#include <sys/stat.h> 13#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 14#include <limits.h>
18#include <fcntl.h> 15#include <fcntl.h>
19#include <sched.h> 16#include <sched.h>
20 17
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 19# include <sys/mman.h>
20#endif
21
22/* the incompetent fool that created musl keeps __linux__, refuses
23 * to implement any linux standard apis, and also has no way to test
24 * for his broken iplementation. don't complain to me if this fails
25 * for you.
26 */
27#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
28# include <linux/fs.h>
29# ifdef FS_IOC_FIEMAP
30# include <linux/types.h>
31# include <linux/fiemap.h>
32# define HAVE_FIEMAP 1
33# endif
23#endif 34#endif
24 35
25/* perl namespace pollution */ 36/* perl namespace pollution */
26#undef VERSION 37#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 38
77/* perl stupidly overrides readdir and maybe others */ 39/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 40/* with thread-unsafe versions, imagine that :( */
79#undef readdir 41#undef readdir
80#undef opendir 42#undef opendir
81#undef closedir 43#undef closedir
82 44
45#ifdef _WIN32
46
47 // perl overrides all those nice libc functions
48
49 #undef malloc
50 #undef free
51 #undef open
52 #undef read
53 #undef write
54 #undef send
55 #undef recv
56 #undef stat
57 #undef lstat
58 #undef fstat
59 #undef truncate
60 #undef ftruncate
61 #undef open
62 #undef link
63 #undef close
64 #undef unlink
65 #undef mkdir
66 #undef rmdir
67 #undef rename
68 #undef lseek
69 #undef opendir
70 #undef readdir
71 #undef closedir
72 #undef chmod
73 #undef fchmod
74 #undef dup
75 #undef dup2
76 #undef abort
77 #undef pipe
78
79 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STATI64
84 81
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 82#else
91# define VAL64 NV 83
92# define SvVAL64 SvNV 84 #include <sys/time.h>
93# define newSVval64 newSVnv 85 #include <sys/select.h>
86 #include <unistd.h>
87 #include <utime.h>
88 #include <signal.h>
89
90 #define EIO_STRUCT_STAT Stat_t
91
94#endif 92#endif
95 93
96/*****************************************************************************/ 94/*****************************************************************************/
97 95
98#if __GNUC__ >= 3 96#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 102#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 103#define expect_true(expr) expect ((expr) != 0, 1)
106 104
107/*****************************************************************************/ 105/*****************************************************************************/
108 106
107#include "libeio/config.h"
108
109#include "schmorp.h"
110
111#if HAVE_EVENTFD
112# include <sys/eventfd.h>
113#endif
114
115#if HAVE_TIMERFD
116# include <sys/timerfd.h>
117#endif
118
119#if HAVE_RLIMITS
120 #include <sys/time.h>
121 #include <sys/resource.h>
122#endif
123
109typedef SV SV8; /* byte-sv, used for argument-checking */ 124typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 125typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 126typedef int aio_wfd; /* write file descriptor */
112 127
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 128static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 129
115#define EIO_REQ_MEMBERS \ 130#define EIO_REQ_MEMBERS \
116 SV *callback; \ 131 SV *callback; \
117 SV *sv1, *sv2; \ 132 SV *sv1, *sv2; \
133 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 134 STRLEN stroffset; \
119 SV *self; 135 SV *self;
120 136
121#define EIO_NO_WRAPPERS 1 137#define EIO_NO_WRAPPERS 1
122 138
123#include "libeio/eio.h" 139#include "libeio/eio.h"
124 140
125#ifndef POSIX_FADV_NORMAL 141static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 142#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 143static void req_destroy (eio_req *grp);
128#endif 144#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 145
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 146#include "libeio/eio.c"
147
148#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 149# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 150#endif
148 151
149#ifndef POSIX_MADV_NORMAL 152#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 153# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif 154#endif
207 155
208#ifndef MAP_ANONYMOUS 156#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 157# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 158# define MAP_ANONYMOUS MAP_ANON
211# else 159# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 161# endif
214#endif 162#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230 163
231#ifndef PAGESIZE 164/* defines all sorts of constants to 0 unless they are already defined */
165/* also provides const_iv_ and const_niv_ macros for them */
166#include "def0.h"
167
168#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min))
170#endif
171#ifndef major
172# define major(dev) ((dev) >> 8)
173#endif
174#ifndef minor
175# define minor(dev) ((dev) & 0xff)
176#endif
177
178#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 179# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 180#endif
234 181
235static int req_invoke (eio_req *req); 182/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 183
237static void req_destroy (eio_req *grp); 184#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#define FOREIGN_MAGIC PERL_MAGIC_ext
194
195static int ecb_cold
196mmap_free (pTHX_ SV *sv, MAGIC *mg)
197{
198 int old_errno = errno;
199 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
200 errno = old_errno;
201
202 mg->mg_obj = 0; /* just in case */
203
204 SvREADONLY_off (sv);
205
206 if (SvPVX (sv) != mg->mg_ptr)
207 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
208
209 SvCUR_set (sv, 0);
210 SvPVX (sv) = 0;
211 SvOK_off (sv);
212
213 return 0;
214}
215
216static MGVTBL mmap_vtbl = {
217 0, 0, 0, 0, mmap_free
218};
219
220static int ecb_cold
221sysfree_free (pTHX_ SV *sv, MAGIC *mg)
222{
223 free (mg->mg_ptr);
224 mg->mg_obj = 0; /* just in case */
225
226 SvREADONLY_off (sv);
227
228 if (SvPVX (sv) != mg->mg_ptr)
229 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
230
231 SvCUR_set (sv, 0);
232 SvPVX (sv) = 0;
233 SvOK_off (sv);
234
235 return 0;
236}
237
238static MGVTBL sysfree_vtbl = {
239 0, 0, 0, 0, sysfree_free
240};
241
242/*****************************************************************************/
243
244/* helper: set scalar to foreign ptr with custom free */
245static void
246sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
247{
248 sv_force_normal (sv);
249
250 /* we store the length in mg_obj, as namlen is I32 :/ */
251 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
252 ->mg_obj = (SV *)length;
253
254 SvUPGRADE (sv, SVt_PV); /* nop... */
255
256 if (SvLEN (sv))
257 Safefree (SvPVX (sv));
258
259 SvPVX (sv) = (char *)addr;
260 SvCUR_set (sv, length);
261 SvLEN_set (sv, 0);
262 SvPOK_only (sv);
263}
264
265static void
266sv_clear_foreign (SV *sv)
267{
268 /* todo: iterate over magic and only free ours, but of course */
269 /* the perl5porters will call that (correct) behaviour buggy */
270 sv_unmagic (sv, FOREIGN_MAGIC);
271}
272
273/*****************************************************************************/
274
275static void
276fiemap (eio_req *req)
277{
278 req->result = -1;
279
280#if HAVE_FIEMAP
281 /* assume some c99 */
282 struct fiemap *fiemap = 0;
283 size_t end_offset;
284 int count = req->int3;
285
286 req->flags |= EIO_FLAG_PTR1_FREE;
287
288 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
289 /* increase in 3.5kb steps */
290 if (count < 0)
291 count = 8;
292
293 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
294 errno = ENOMEM;
295 if (!fiemap)
296 return;
297
298 req->ptr1 = fiemap;
299
300 fiemap->fm_start = req->offs;
301 fiemap->fm_length = req->size;
302 fiemap->fm_flags = req->int2;
303 fiemap->fm_extent_count = count;
304
305 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
306 return;
307
308 if (req->int3 >= 0 /* not autosizing */
309 || !fiemap->fm_mapped_extents /* no more extents */
310 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
311 goto done;
312
313 /* else we have to loop -
314 * it would be tempting (actually I tried that first) to just query the
315 * number of extents needed, but linux often feels like not returning all
316 * extents, without telling us it left any out. this complicates
317 * this quite a bit.
318 */
319
320 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
321
322 for (;;)
323 {
324 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
325 char scratch[3072];
326 struct fiemap *incmap = (struct fiemap *)scratch;
327
328 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
329 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
330 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
331 incmap->fm_flags = fiemap->fm_flags;
332 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
333
334 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
335 return;
336
337 if (!incmap->fm_mapped_extents)
338 goto done;
339
340 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
341 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
342 errno = ENOMEM;
343 if (!fiemap)
344 return;
345
346 req->ptr1 = fiemap;
347
348 for (count = 0; count < incmap->fm_mapped_extents; ++count)
349 {
350 struct fiemap_extent *e = incmap->fm_extents + count;
351
352 if (e->fe_logical + e->fe_length >= end_offset)
353 goto done;
354
355 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
356
357 if (e->fe_flags & FIEMAP_EXTENT_LAST)
358 goto done;
359
360 }
361 }
362
363done:
364 req->result = 0;
365
366#else
367 errno = ENOSYS;
368#endif
369}
370
371/*****************************************************************************/
239 372
240enum { 373enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 374 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 375};
243 376
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 377typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 378typedef eio_req *aio_req_ornot;
379typedef eio_wd aio_wd;
248 380
249static SV *on_next_submit; 381static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 382static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 383static int max_outstanding;
252 384
253static s_epipe respipe; 385static s_epipe respipe;
254 386
255static void req_destroy (aio_req req); 387static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 388static void req_cancel (aio_req req);
257 389
258static void want_poll (void) 390static void
391want_poll (void)
259{ 392{
260 /* write a dummy byte to the pipe so fh becomes ready */ 393 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 394 s_epipe_signal (&respipe);
262} 395}
263 396
264static void done_poll (void) 397static void
398done_poll (void)
265{ 399{
266 /* read any signals sent by the worker threads */ 400 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 401 s_epipe_drain (&respipe);
268} 402}
269 403
270/* must be called at most once */ 404/* must be called at most once */
405static SV *
271static SV *req_sv (aio_req req, HV *stash) 406req_sv (aio_req req, HV *stash)
272{ 407{
273 if (!req->self) 408 if (!req->self)
274 { 409 {
275 req->self = (SV *)newHV (); 410 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 411 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 412 }
278 413
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 414 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 415}
281 416
282static aio_req SvAIO_REQ (SV *sv) 417static SV *
418newSVaio_wd (aio_wd wd)
419{
420 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
421}
422
423static aio_req
424SvAIO_REQ (SV *sv)
283{ 425{
284 MAGIC *mg; 426 MAGIC *mg;
285 427
286 if (!SvROK (sv) 428 if (!SvROK (sv)
429 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 430 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 431 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 432 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 433 croak ("object of class IO::AIO::REQ expected");
291 434
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 435 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 436
294 return mg ? (aio_req)mg->mg_ptr : 0; 437 return mg ? (aio_req)mg->mg_ptr : 0;
295} 438}
296 439
440static aio_wd
441SvAIO_WD (SV *sv)
442{
443 if (!SvROK (sv)
444 || SvTYPE (SvRV (sv)) != SVt_PVMG
445 || SvSTASH (SvRV (sv)) != aio_wd_stash)
446 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
447
448 return (aio_wd)(long)SvIVX (SvRV (sv));
449}
450
451static SV *
452newmortalFH (int fd, int flags)
453{
454 if (fd < 0)
455 return &PL_sv_undef;
456
457 GV *gv = (GV *)sv_newmortal ();
458 char sym[64];
459 int symlen;
460
461 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
462 gv_init (gv, aio_stash, sym, symlen, 0);
463
464 symlen = snprintf (
465 sym,
466 sizeof (sym),
467 "%s&=%d",
468 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
469 fd
470 );
471
472 return do_open (gv, sym, symlen, 0, 0, 0, 0)
473 ? (SV *)gv : &PL_sv_undef;
474}
475
476static void
297static void aio_grp_feed (aio_req grp) 477aio_grp_feed (aio_req grp)
298{ 478{
299 if (grp->sv2 && SvOK (grp->sv2)) 479 if (grp->sv2 && SvOK (grp->sv2))
300 { 480 {
301 dSP; 481 dSP;
302 482
… …
310 FREETMPS; 490 FREETMPS;
311 LEAVE; 491 LEAVE;
312 } 492 }
313} 493}
314 494
495static void
315static void req_submit (eio_req *req) 496req_submit (eio_req *req)
316{ 497{
317 eio_submit (req); 498 eio_submit (req);
318 499
319 if (expect_false (on_next_submit)) 500 if (expect_false (on_next_submit))
320 { 501 {
… …
327 PUTBACK; 508 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 509 call_sv (cb, G_DISCARD | G_EVAL);
329 } 510 }
330} 511}
331 512
513static int
332static int req_invoke (eio_req *req) 514req_invoke (eio_req *req)
333{ 515{
334 if (req->flags & FLAG_SV2_RO_OFF) 516 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 517 SvREADONLY_off (req->sv2);
336 518
337 if (!EIO_CANCELLED (req) && req->callback) 519 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 530 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 531 if (expect_true (sv_result_cache))
350 { 532 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 533 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 534 SvIV_set (sv_result, req->result);
535 SvIOK_only (sv_result);
353 } 536 }
354 else 537 else
355 { 538 {
356 sv_result = newSViv (req->result); 539 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 540 SvREADONLY_on (sv_result);
358 } 541 }
359 542
360 switch (req->type) 543 switch (req->type)
361 { 544 {
545 case EIO_WD_OPEN:
546 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
547 break;
548
362 case EIO_READDIR: 549 case EIO_READDIR:
363 { 550 {
364 SV *rv = &PL_sv_undef; 551 SV *rv = &PL_sv_undef;
365 552
366 if (req->result >= 0) 553 if (req->result >= 0)
… …
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 606 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 607 }
421 break; 608 break;
422 609
423 case EIO_OPEN: 610 case EIO_OPEN:
424 { 611 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
425 /* convert fd to fh */
426 SV *fh = &PL_sv_undef;
427
428 if (req->result >= 0)
429 {
430 GV *gv = (GV *)sv_newmortal ();
431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
432 char sym [64];
433 int symlen;
434
435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
436 gv_init (gv, aio_stash, sym, symlen, 0);
437
438 symlen = snprintf (
439 sym,
440 sizeof (sym),
441 "%s&=%d",
442 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
443 (int)req->result
444 );
445
446 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
447 fh = (SV *)gv;
448 }
449
450 PUSHs (fh);
451 }
452 break; 612 break;
453 613
454 case EIO_STATVFS: 614 case EIO_STATVFS:
455 case EIO_FSTATVFS: 615 case EIO_FSTATVFS:
456 { 616 {
457 SV *rv = &PL_sv_undef; 617 SV *rv = &PL_sv_undef;
458 618
619#ifndef _WIN32
459 if (req->result >= 0) 620 if (req->result >= 0)
460 { 621 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 622 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 623 HV *hv = newHV ();
624 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
625 * chooses to make it a struct.
626 */
627 unsigned long fsid = 0;
628 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 629
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 630 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 631
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 632 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 633 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
469 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 635 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 636 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 637 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 638 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 639 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 640 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 641 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 642 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 643 }
644#endif
478 645
479 PUSHs (rv); 646 PUSHs (rv);
480 } 647 }
481 648
482 break; 649 break;
… …
498 case EIO_NOP: 665 case EIO_NOP:
499 case EIO_BUSY: 666 case EIO_BUSY:
500 break; 667 break;
501 668
502 case EIO_READLINK: 669 case EIO_READLINK:
670 case EIO_REALPATH:
503 if (req->result > 0) 671 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 672 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 673 break;
506 674
507 case EIO_STAT: 675 case EIO_STAT:
508 case EIO_LSTAT: 676 case EIO_LSTAT:
509 case EIO_FSTAT: 677 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 678 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
679
511 PL_laststatval = req->result; 680 if (!(PL_laststatval = req->result))
681 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 682 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
683
513 PUSHs (sv_result); 684 PUSHs (sv_result);
685 break;
686
687 case EIO_SEEK:
688 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 689 break;
515 690
516 case EIO_READ: 691 case EIO_READ:
517 { 692 {
518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 693 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
521 SvSETMAGIC (req->sv2); 696 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 697 PUSHs (sv_result);
523 } 698 }
524 break; 699 break;
525 700
701 case EIO_SLURP:
702 {
703 if (req->result >= 0)
704 {
705 /* if length was originally not known, we steal the malloc'ed memory */
706 if (req->flags & EIO_FLAG_PTR2_FREE)
707 {
708 req->flags &= ~EIO_FLAG_PTR2_FREE;
709 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
710 }
711 else
712 {
713 SvCUR_set (req->sv2, req->result);
714 *SvEND (req->sv2) = 0;
715 SvPOK_only (req->sv2);
716 }
717
718 SvSETMAGIC (req->sv2);
719 }
720
721 PUSHs (sv_result);
722 }
723 break;
724
725 case EIO_CUSTOM:
726 if (req->feed == fiemap)
727 {
728#if HAVE_FIEMAP
729 if (!req->result)
730 {
731 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
732
733 if (fiemap->fm_extent_count)
734 {
735 AV *av = newAV ();
736 int i;
737
738 while (fiemap->fm_mapped_extents)
739 {
740 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
741 AV *ext_av = newAV ();
742
743 av_store (ext_av, 3, newSVuv (extent->fe_flags));
744 av_store (ext_av, 2, newSVval64 (extent->fe_length));
745 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
746 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
747
748 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
749 }
750
751 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
752 }
753 else
754 {
755 SvIV_set (sv_result, fiemap->fm_mapped_extents);
756 PUSHs (sv_result);
757 }
758 }
759#endif
760 }
761 else
762 PUSHs (sv_result);
763 break;
764
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 765 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 766 if (req->result > 0)
528 SvIV_set (sv_result, 0); 767 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 768 /* FALLTHROUGH */
530 769
531 default: 770 default:
… …
551 } 790 }
552 791
553 return !!SvTRUE (ERRSV); 792 return !!SvTRUE (ERRSV);
554} 793}
555 794
795static void
556static void req_destroy (aio_req req) 796req_destroy (aio_req req)
557{ 797{
558 if (req->self) 798 if (req->self)
559 { 799 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 800 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 801 SvREFCNT_dec (req->self);
562 } 802 }
563 803
564 SvREFCNT_dec (req->sv1); 804 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 805 SvREFCNT_dec (req->sv2);
806 SvREFCNT_dec (req->sv3);
807 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 808 SvREFCNT_dec (req->callback);
567 809
568 Safefree (req); 810 free (req);
569} 811}
570 812
813static void
571static void req_cancel_subs (aio_req grp) 814req_cancel_subs (aio_req grp)
572{ 815{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 816 if (grp->type != EIO_GROUP)
576 return; 817 return;
577 818
578 SvREFCNT_dec (grp->sv2); 819 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 820 grp->sv2 = 0;
580 821
581 eio_grp_cancel (grp); 822 eio_grp_cancel (grp);
582} 823}
583 824
584static void 825static void ecb_cold
585create_respipe (void) 826create_respipe (void)
586{ 827{
587 if (s_epipe_renew (&respipe)) 828 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 829 croak ("IO::AIO: unable to initialize result pipe");
589} 830}
590 831
591static void poll_wait (void) 832static void
833poll_wait (void)
592{ 834{
593 while (eio_nreqs ()) 835 while (eio_nreqs ())
594 { 836 {
595 int size; 837 int size;
596 838
597 X_LOCK (reslock); 839 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 840 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 841 X_UNLOCK (EIO_POOL->reslock);
600 842
601 if (size) 843 if (size)
602 return; 844 return;
603 845
604 etp_maybe_start_thread (); 846 etp_maybe_start_thread (EIO_POOL);
605 847
606 s_epipe_wait (&respipe); 848 s_epipe_wait (&respipe);
607 } 849 }
608} 850}
609 851
610static int poll_cb (void) 852static int
853poll_cb (void)
611{ 854{
612 for (;;) 855 for (;;)
613 { 856 {
614 int res = eio_poll (); 857 int res = eio_poll ();
615 858
… …
621 864
622 poll_wait (); 865 poll_wait ();
623 } 866 }
624} 867}
625 868
626static void atfork_child (void) 869static void ecb_cold
870reinit (void)
627{ 871{
628 create_respipe (); 872 create_respipe ();
629}
630 873
631/*****************************************************************************/ 874 if (eio_init (want_poll, done_poll) < 0)
632 875 croak ("IO::AIO: unable to initialise eio library");
633#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# define munmap(addr,length) (errno = ENOSYS, -1)
636#endif
637
638#define MMAP_MAGIC PERL_MAGIC_ext
639
640static int
641mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{
643 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno;
646
647 mg->mg_obj = 0; /* just in case */
648
649 SvREADONLY_off (sv);
650
651 if (SvPVX (sv) != mg->mg_ptr)
652 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
653
654 SvCUR_set (sv, 0);
655 SvPVX (sv) = 0;
656 SvOK_off (sv);
657
658 return 0;
659} 876}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 877
665/*****************************************************************************/ 878/*****************************************************************************/
666 879
667static SV * 880static SV *
668get_cb (SV *cb_sv) 881get_cb (SV *cb_sv)
669{ 882{
670 SvGETMAGIC (cb_sv); 883 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 884 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 885}
673 886
887static aio_req ecb_noinline
888dreq (SV *callback)
889{
890 SV *cb_cv;
891 aio_req req;
892 int req_pri = next_pri;
893 next_pri = EIO_PRI_DEFAULT;
894
895 cb_cv = get_cb (callback);
896
897 req = calloc (sizeof (*req), 1);
898 if (!req)
899 croak ("out of memory during eio_req allocation");
900
901 req->callback = SvREFCNT_inc (cb_cv);
902 req->pri = req_pri;
903
904 return req;
905}
906
674#define dREQ \ 907#define dREQ \
675 SV *cb_cv; \ 908 aio_req req = dreq (callback); \
676 aio_req req; \
677 int req_pri = next_pri; \
678 next_pri = EIO_PRI_DEFAULT; \
679 \
680 cb_cv = get_cb (callback); \
681 \
682 Newz (0, req, 1, eio_req); \
683 if (!req) \
684 croak ("out of memory during eio_req allocation"); \
685 \
686 req->callback = SvREFCNT_inc (cb_cv); \
687 req->pri = req_pri
688 909
689#define REQ_SEND \ 910#define REQ_SEND \
690 PUTBACK; \ 911 PUTBACK; \
691 req_submit (req); \ 912 req_submit (req); \
692 SPAGAIN; \ 913 SPAGAIN; \
693 \ 914 \
694 if (GIMME_V != G_VOID) \ 915 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 916 XPUSHs (req_sv (req, aio_req_stash));
696 917
918ecb_inline void
919req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
920{
921 if (expect_false (SvROK (path)))
922 {
923 SV *rv = SvRV (path);
924 SV *wdob;
925
926 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
927 {
928 path = AvARRAY (rv)[1];
929 wdob = AvARRAY (rv)[0];
930
931 if (SvOK (wdob))
932 {
933 *wd = SvAIO_WD (wdob);
934 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
935 }
936 else
937 *wd = EIO_INVALID_WD;
938 }
939 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
940 {
941 *wd = (aio_wd)(long)SvIVX (rv);
942 *wdsv = SvREFCNT_inc_NN (rv);
943 *ptr = ".";
944 return; /* path set to "." */
945 }
946 else
947 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
948 }
949
950 *pathsv = newSVsv (path);
951 *ptr = SvPVbyte_nolen (*pathsv);
952}
953
954static void ecb_noinline
955req_set_path1 (aio_req req, SV *path)
956{
957 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
958}
959
960static void ecb_noinline
961req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
962{
963 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
964
965 switch (SvTYPE (rv))
966 {
967 case SVt_PVIO:
968 case SVt_PVLV:
969 case SVt_PVGV:
970 req->type = type_fh;
971 req->sv1 = newSVsv (fh_or_path);
972 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
973 break;
974
975 default:
976 req->type = type_path;
977 req_set_path1 (req, fh_or_path);
978 break;
979 }
980}
981
982/*****************************************************************************/
983
984static void
985ts_set (struct timespec *ts, NV value)
986{
987 ts->tv_sec = value;
988 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
989}
990
991static NV
992ts_get (const struct timespec *ts)
993{
994 return ts->tv_sec + ts->tv_nsec * 1e-9;
995}
996
997/*****************************************************************************/
998
999XS(boot_IO__AIO) ecb_cold;
1000
697MODULE = IO::AIO PACKAGE = IO::AIO 1001MODULE = IO::AIO PACKAGE = IO::AIO
698 1002
699PROTOTYPES: ENABLE 1003PROTOTYPES: ENABLE
700 1004
701BOOT: 1005BOOT:
… …
705 IV iv; 1009 IV iv;
706 } *civ, const_iv[] = { 1010 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 1011# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 1012# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 1013# define const_eio(name) { # name, (IV) EIO_ ## name },
1014
1015 /* you have to re-run ./gendef0 after adding/removing any constants here */
1016 /* the first block can be undef if missing */
1017 const_iv (ENOSYS)
710 const_iv (EXDEV) 1018 const_iv (EXDEV)
711 const_iv (ENOSYS) 1019 const_iv (EBADR)
1020
1021 /* for lseek */
1022 const_iv (SEEK_DATA)
1023 const_iv (SEEK_HOLE)
1024
1025 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1026 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1027 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1028 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1029 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1030 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1031
1032 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1033 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1034 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1035 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1036 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1037
1038 /* the second block will be 0 when missing */
712 const_iv (O_RDONLY) 1039 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1040 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1041 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1042 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1043 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1044 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1045 const_iv (O_APPEND)
719#ifndef _WIN32 1046
1047 const_iv (O_ASYNC)
1048 const_iv (O_DIRECT)
1049 const_iv (O_NOATIME)
1050
1051 const_iv (O_CLOEXEC)
1052 const_iv (O_NOCTTY)
1053 const_iv (O_NOFOLLOW)
1054 const_iv (O_NONBLOCK)
1055 const_iv (O_EXEC)
1056 const_iv (O_SEARCH)
1057 const_iv (O_DIRECTORY)
1058 const_iv (O_DSYNC)
1059 const_iv (O_RSYNC)
1060 const_iv (O_SYNC)
1061 const_iv (O_PATH)
1062 const_iv (O_TMPFILE)
1063 const_iv (O_TTY_INIT)
1064
720 const_iv (S_IFIFO) 1065 const_iv (S_IFIFO)
721#endif 1066 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1067 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1068 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1069 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1070 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1071 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1072 const_iv (S_IFSOCK)
728 1073 const_iv (S_IFMT)
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734 1074
735 const_iv (ST_RDONLY) 1075 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1076 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1077 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1078 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1083 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1084 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1085 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1086 const_iv (ST_RELATIME)
747 1087
1088 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1089 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1090 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1091 const_iv (PROT_WRITE)
752 1092
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1093 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1094 const_iv (MAP_SHARED)
1095 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1096 const_iv (MAP_ANONYMOUS)
757 1097
758 /* linuxish */ 1098 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1099 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1100 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1101 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 1102 const_iv (MAP_NONBLOCK)
1103 const_iv (MAP_GROWSDOWN)
1104 const_iv (MAP_32BIT)
1105 const_iv (MAP_HUGETLB)
1106 const_iv (MAP_STACK)
764 1107
1108 const_iv (F_DUPFD_CLOEXEC)
1109
1110 const_iv (F_OFD_GETLK)
1111 const_iv (F_OFD_SETLK)
1112 const_iv (F_OFD_GETLKW)
1113
1114 const_iv (FIFREEZE)
1115 const_iv (FITHAW)
1116 const_iv (FITRIM)
1117 const_iv (FICLONE)
1118 const_iv (FICLONERANGE)
1119 const_iv (FIDEDUPERANGE)
1120
1121 const_iv (FS_IOC_GETFLAGS)
1122 const_iv (FS_IOC_SETFLAGS)
1123 const_iv (FS_IOC_GETVERSION)
1124 const_iv (FS_IOC_SETVERSION)
1125 const_iv (FS_IOC_FIEMAP)
1126 const_iv (FS_IOC_FSGETXATTR)
1127 const_iv (FS_IOC_FSSETXATTR)
1128 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1129 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1130 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1131
1132 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1133
1134 const_iv (FS_SECRM_FL)
1135 const_iv (FS_UNRM_FL)
1136 const_iv (FS_COMPR_FL)
1137 const_iv (FS_SYNC_FL)
1138 const_iv (FS_IMMUTABLE_FL)
1139 const_iv (FS_APPEND_FL)
1140 const_iv (FS_NODUMP_FL)
1141 const_iv (FS_NOATIME_FL)
1142 const_iv (FS_DIRTY_FL)
1143 const_iv (FS_COMPRBLK_FL)
1144 const_iv (FS_NOCOMP_FL)
1145 const_iv (FS_ENCRYPT_FL)
1146 const_iv (FS_BTREE_FL)
1147 const_iv (FS_INDEX_FL)
1148 const_iv (FS_JOURNAL_DATA_FL)
1149 const_iv (FS_NOTAIL_FL)
1150 const_iv (FS_DIRSYNC_FL)
1151 const_iv (FS_TOPDIR_FL)
1152 const_iv (FS_FL_USER_MODIFIABLE)
1153
1154 const_iv (FS_XFLAG_REALTIME)
1155 const_iv (FS_XFLAG_PREALLOC)
1156 const_iv (FS_XFLAG_IMMUTABLE)
1157 const_iv (FS_XFLAG_APPEND)
1158 const_iv (FS_XFLAG_SYNC)
1159 const_iv (FS_XFLAG_NOATIME)
1160 const_iv (FS_XFLAG_NODUMP)
1161 const_iv (FS_XFLAG_RTINHERIT)
1162 const_iv (FS_XFLAG_PROJINHERIT)
1163 const_iv (FS_XFLAG_NOSYMLINKS)
1164 const_iv (FS_XFLAG_EXTSIZE)
1165 const_iv (FS_XFLAG_EXTSZINHERIT)
1166 const_iv (FS_XFLAG_NODEFRAG)
1167 const_iv (FS_XFLAG_FILESTREAM)
1168 const_iv (FS_XFLAG_DAX)
1169 const_iv (FS_XFLAG_HASATTR)
1170
1171 const_iv (FIEMAP_FLAG_SYNC)
1172 const_iv (FIEMAP_FLAG_XATTR)
1173 const_iv (FIEMAP_FLAGS_COMPAT)
1174 const_iv (FIEMAP_EXTENT_LAST)
1175 const_iv (FIEMAP_EXTENT_UNKNOWN)
1176 const_iv (FIEMAP_EXTENT_DELALLOC)
1177 const_iv (FIEMAP_EXTENT_ENCODED)
1178 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1179 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1180 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1181 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1182 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1183 const_iv (FIEMAP_EXTENT_MERGED)
1184 const_iv (FIEMAP_EXTENT_SHARED)
1185
1186 const_iv (SPLICE_F_MOVE)
1187 const_iv (SPLICE_F_NONBLOCK)
1188 const_iv (SPLICE_F_MORE)
1189 const_iv (SPLICE_F_GIFT)
1190
1191 const_iv (EFD_CLOEXEC)
1192 const_iv (EFD_NONBLOCK)
1193 const_iv (EFD_SEMAPHORE)
1194
1195 const_iv (CLOCK_REALTIME)
1196 const_iv (CLOCK_MONOTONIC)
1197 const_iv (CLOCK_BOOTTIME)
1198 const_iv (CLOCK_REALTIME_ALARM)
1199 const_iv (CLOCK_BOOTTIME_ALARM)
1200
1201 const_iv (TFD_NONBLOCK)
1202 const_iv (TFD_CLOEXEC)
1203
1204 const_iv (TFD_TIMER_ABSTIME)
1205 const_iv (TFD_TIMER_CANCEL_ON_SET)
1206
1207 /* these are libeio constants, and are independent of gendef0 */
1208 const_eio (SEEK_SET)
1209 const_eio (SEEK_CUR)
1210 const_eio (SEEK_END)
1211
765 const_iv (MCL_FUTURE) 1212 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1213 const_eio (MCL_CURRENT)
767 1214
768 const_eio (MS_ASYNC) 1215 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1216 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1217 const_eio (MS_SYNC)
771 1218
772 const_eio (MT_MODIFY) 1219 const_eio (MT_MODIFY)
773 1220
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1221 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1222 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1223 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1224
1225 const_eio (FALLOC_FL_KEEP_SIZE)
1226 const_eio (FALLOC_FL_PUNCH_HOLE)
1227 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1228 const_eio (FALLOC_FL_ZERO_RANGE)
1229 const_eio (FALLOC_FL_INSERT_RANGE)
1230 const_eio (FALLOC_FL_UNSHARE_RANGE)
1231
1232 const_eio (RENAME_NOREPLACE)
1233 const_eio (RENAME_EXCHANGE)
1234 const_eio (RENAME_WHITEOUT)
777 1235
778 const_eio (READDIR_DENTS) 1236 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1237 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1238 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1239 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1250 };
793 1251
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1252 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1253 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1254 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1255 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1256
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1257 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1258 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1259
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1260 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1261
803 create_respipe (); 1262 reinit ();
804
805 if (eio_init (want_poll, done_poll) < 0)
806 croak ("IO::AIO: unable to initialise eio library");
807
808 /* atfork child called in fifo order, so before eio's handler */
809 X_THREAD_ATFORK (0, 0, atfork_child);
810} 1263}
811 1264
812void 1265void
1266reinit ()
1267 PROTOTYPE:
1268
1269void
813max_poll_reqs (int nreqs) 1270max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1271 PROTOTYPE: $
815 CODE: 1272 CODE:
816 eio_set_max_poll_reqs (nreqs); 1273 eio_set_max_poll_reqs (nreqs);
817 1274
818void 1275void
… …
820 PROTOTYPE: $ 1277 PROTOTYPE: $
821 CODE: 1278 CODE:
822 eio_set_max_poll_time (nseconds); 1279 eio_set_max_poll_time (nseconds);
823 1280
824void 1281void
825min_parallel (int nthreads) 1282min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1283 PROTOTYPE: $
827 CODE: 1284 CODE:
828 eio_set_min_parallel (nthreads); 1285 eio_set_min_parallel (nthreads);
829 1286
830void 1287void
831max_parallel (int nthreads) 1288max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1289 PROTOTYPE: $
833 CODE: 1290 CODE:
834 eio_set_max_parallel (nthreads); 1291 eio_set_max_parallel (nthreads);
835 1292
836void 1293void
837max_idle (int nthreads) 1294max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1295 PROTOTYPE: $
839 CODE: 1296 CODE:
840 eio_set_max_idle (nthreads); 1297 eio_set_max_idle (nthreads);
841 1298
842void 1299void
1300idle_timeout (unsigned int seconds)
1301 PROTOTYPE: $
1302 CODE:
1303 eio_set_idle_timeout (seconds);
1304
1305void
843max_outstanding (int maxreqs) 1306max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1307 PROTOTYPE: $
845 CODE: 1308 CODE:
846 max_outstanding = maxreqs; 1309 max_outstanding = maxreqs;
847 1310
848void 1311void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1312aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1313 PPCODE:
852{ 1314{
853 dREQ; 1315 dREQ;
854 1316
1317 req->type = EIO_WD_OPEN;
1318 req_set_path1 (req, pathname);
1319
1320 REQ_SEND;
1321}
1322
1323void
1324aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1325 PPCODE:
1326{
1327 dREQ;
1328
855 req->type = EIO_OPEN; 1329 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1330 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1331 req->int1 = flags;
859 req->int2 = mode; 1332 req->int2 = mode;
860 1333
861 REQ_SEND; 1334 REQ_SEND;
862} 1335}
863 1336
864void 1337void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1338aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1339 ALIAS:
868 aio_fsync = EIO_FSYNC 1340 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1341 aio_fdatasync = EIO_FDATASYNC
1342 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1343 PPCODE:
871{ 1344{
872 int fd = s_fileno_croak (fh, 0); 1345 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1346 dREQ;
874 1347
875 req->type = ix; 1348 req->type = ix;
876 req->sv1 = newSVsv (fh); 1349 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1350 req->int1 = fd;
878 1351
879 REQ_SEND (req); 1352 REQ_SEND;
880} 1353}
881 1354
882void 1355void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1356aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1357 PPCODE:
886{ 1358{
887 int fd = s_fileno_croak (fh, 0); 1359 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1360 dREQ;
889 1361
890 req->type = EIO_SYNC_FILE_RANGE; 1362 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1363 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1364 req->int1 = fd;
893 req->offs = offset; 1365 req->offs = offset;
894 req->size = nbytes; 1366 req->size = nbytes;
895 req->int2 = flags; 1367 req->int2 = flags;
896 1368
897 REQ_SEND (req); 1369 REQ_SEND;
898} 1370}
899 1371
900void 1372void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1373aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1374 PPCODE:
904{ 1375{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1376 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1377 dREQ;
908 1378
909 if (close_pipe < 0) 1379 req->type = EIO_FALLOCATE;
1380 req->sv1 = newSVsv (fh);
1381 req->int1 = fd;
1382 req->int2 = mode;
1383 req->offs = offset;
1384 req->size = len;
1385
1386 REQ_SEND;
1387}
1388
1389void
1390aio_close (SV *fh, SV *callback = &PL_sv_undef)
1391 PPCODE:
1392{
1393 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1394 int fd = s_fileno_croak (fh, 0);
1395 dREQ;
1396
1397 if (expect_false (close_fd < 0))
910 { 1398 {
911 int pipefd [2]; 1399 int pipefd [2];
912 1400
1401 if (
1402#ifdef _WIN32
1403 _pipe (pipefd, 1, _O_BINARY) < 0
1404#else
913 if (pipe (pipefd) < 0 1405 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1406 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1407#endif
1408 || close (pipefd [1]) < 0
1409 )
916 abort (); /*D*/ 1410 abort (); /*D*/
917 1411
918 close_pipe = pipefd [0]; 1412 close_fd = pipefd [0];
919 } 1413 }
920 1414
921 req->type = EIO_DUP2; 1415 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1416 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1417 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1418 req->int2 = fd;
925 1419
926 REQ_SEND (req); 1420 REQ_SEND;
927} 1421}
928 1422
929void 1423void
1424aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1425 PPCODE:
1426{
1427 int fd = s_fileno_croak (fh, 0);
1428 dREQ;
1429
1430 req->type = EIO_SEEK;
1431 req->sv1 = newSVsv (fh);
1432 req->int1 = fd;
1433 req->offs = SvVAL64 (offset);
1434 req->int2 = whence;
1435
1436 REQ_SEND;
1437}
1438
1439void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1440aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1441 ALIAS:
932 aio_read = EIO_READ 1442 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1443 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1444 PPCODE:
936{ 1445{
937 STRLEN svlen; 1446 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1447 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1448 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1461 len = svlen - dataoffset;
953 } 1462 }
954 else 1463 else
955 { 1464 {
956 /* read: check type and grow scalar as necessary */ 1465 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1466 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1467 svptr = sv_grow (data, len + dataoffset + 1);
1468 else if (SvCUR (data) < len + dataoffset)
1469 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1470 }
960 1471
961 { 1472 {
962 dREQ; 1473 dREQ;
963 1474
… …
979 REQ_SEND; 1490 REQ_SEND;
980 } 1491 }
981} 1492}
982 1493
983void 1494void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1495aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1496 ALIAS:
1497 aio_ioctl = EIO_IOCTL
1498 aio_fcntl = EIO_FCNTL
986 PPCODE: 1499 PPCODE:
987{ 1500{
988 SV *data; 1501 int fd = s_fileno_croak (fh, 0);
1502 char *svptr;
1503
1504 if (SvPOK (arg) || !SvNIOK (arg))
1505 {
1506 STRLEN svlen;
1507 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1508#ifdef IOCPARM_LEN
1509 STRLEN need = IOCPARM_LEN (request);
1510#else
1511 STRLEN need = 256;
1512#endif
1513
1514 if (svlen < need)
1515 svptr = SvGROW (arg, need);
1516 }
1517 else
1518 svptr = (char *)SvIV (arg);
1519
1520 {
1521 dREQ;
1522
1523 req->type = ix;
1524 req->sv1 = newSVsv (fh);
1525 req->int1 = fd;
1526 req->int2 = (long)request;
1527 req->sv2 = SvREFCNT_inc (arg);
1528 req->ptr2 = svptr;
1529
1530 REQ_SEND;
1531 }
1532}
1533
1534void
1535aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1536 ALIAS:
1537 aio_readlink = EIO_READLINK
1538 aio_realpath = EIO_REALPATH
1539 PPCODE:
1540{
989 dREQ; 1541 dREQ;
990 1542
991 req->type = EIO_READLINK; 1543 req->type = ix;
992 req->sv1 = newSVsv (path); 1544 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1545
995 REQ_SEND; 1546 REQ_SEND;
996} 1547}
997 1548
998void 1549void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1550aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1551 PPCODE:
1002{ 1552{
1003 int ifd = s_fileno_croak (in_fh , 0); 1553 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1554 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1555 dREQ;
1006 1556
1007 req->type = EIO_SENDFILE; 1557 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1558 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1559 req->int1 = ofd;
… …
1014 1564
1015 REQ_SEND; 1565 REQ_SEND;
1016} 1566}
1017 1567
1018void 1568void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1569aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1570 PPCODE:
1022{ 1571{
1023 int fd = s_fileno_croak (fh, 0); 1572 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1573 dREQ;
1025 1574
1026 req->type = EIO_READAHEAD; 1575 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1576 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1577 req->int1 = fd;
… …
1031 1580
1032 REQ_SEND; 1581 REQ_SEND;
1033} 1582}
1034 1583
1035void 1584void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1585aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1586 ALIAS:
1038 aio_stat = EIO_STAT 1587 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1588 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1589 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1590 PPCODE:
1042{ 1591{
1043 dREQ; 1592 dREQ;
1044 1593
1045 req->sv1 = newSVsv (fh_or_path); 1594 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047 if (SvPOK (req->sv1))
1048 {
1049 req->type = ix;
1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
1051 }
1052 else
1053 {
1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056 }
1057 1595
1058 REQ_SEND; 1596 REQ_SEND;
1059} 1597}
1060 1598
1599UV
1600major (UV dev)
1601 ALIAS:
1602 minor = 1
1603 CODE:
1604 RETVAL = ix ? minor (dev) : major (dev);
1605 OUTPUT:
1606 RETVAL
1607
1608UV
1609makedev (UV maj, UV min)
1610 CODE:
1611 RETVAL = makedev (maj, min);
1612 OUTPUT:
1613 RETVAL
1614
1061void 1615void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1616aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1617 PPCODE:
1064{ 1618{
1065 dREQ; 1619 dREQ;
1066 1620
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1621 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1622 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1623 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071 if (SvPOK (req->sv1))
1072 {
1073 req->type = EIO_UTIME;
1074 req->ptr1 = SvPVbyte_nolen (req->sv1);
1075 }
1076 else
1077 {
1078 req->type = EIO_FUTIME;
1079 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080 }
1081 1624
1082 REQ_SEND; 1625 REQ_SEND;
1083} 1626}
1084 1627
1085void 1628void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1629aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1630 PPCODE:
1088{ 1631{
1089 dREQ; 1632 dREQ;
1090 1633
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1634 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1635 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094 if (SvPOK (req->sv1))
1095 {
1096 req->type = EIO_TRUNCATE;
1097 req->ptr1 = SvPVbyte_nolen (req->sv1);
1098 }
1099 else
1100 {
1101 req->type = EIO_FTRUNCATE;
1102 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103 }
1104 1636
1105 REQ_SEND; 1637 REQ_SEND;
1106} 1638}
1107 1639
1108void 1640void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1641aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1110 ALIAS:
1111 aio_chmod = EIO_CHMOD
1112 aio_mkdir = EIO_MKDIR
1113 PPCODE: 1642 PPCODE:
1114{ 1643{
1115 dREQ; 1644 dREQ;
1116 1645
1117 req->int2 = mode; 1646 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1647 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120 if (SvPOK (req->sv1))
1121 {
1122 req->type = ix;
1123 req->ptr1 = SvPVbyte_nolen (req->sv1);
1124 }
1125 else
1126 {
1127 req->type = EIO_FCHMOD;
1128 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129 }
1130 1648
1131 REQ_SEND; 1649 REQ_SEND;
1132} 1650}
1133 1651
1134void 1652void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1653aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1654 PPCODE:
1137{ 1655{
1138 dREQ; 1656 dREQ;
1139 1657
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1658 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1659 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1660 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144 if (SvPOK (req->sv1))
1145 {
1146 req->type = EIO_CHOWN;
1147 req->ptr1 = SvPVbyte_nolen (req->sv1);
1148 }
1149 else
1150 {
1151 req->type = EIO_FCHOWN;
1152 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153 }
1154 1661
1155 REQ_SEND; 1662 REQ_SEND;
1156} 1663}
1157 1664
1158void 1665void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1666aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1667 PPCODE:
1161{ 1668{
1162 dREQ; 1669 dREQ;
1163 1670
1164 req->type = EIO_READDIR; 1671 req->type = EIO_READDIR;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1672 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1673
1169 if (flags & EIO_READDIR_DENTS) 1674 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1675 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1676
1677 req_set_path1 (req, pathname);
1678
1172 REQ_SEND; 1679 REQ_SEND;
1173} 1680}
1174 1681
1175void 1682void
1683aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1684 PPCODE:
1685{
1686 dREQ;
1687
1688 req->type = EIO_MKDIR;
1689 req->int2 = mode;
1690 req_set_path1 (req, pathname);
1691
1692 REQ_SEND;
1693}
1694
1695void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1696aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1697 ALIAS:
1178 aio_unlink = EIO_UNLINK 1698 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1699 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1700 aio_readdir = EIO_READDIR
1181 PPCODE: 1701 PPCODE:
1182{ 1702{
1183 dREQ; 1703 dREQ;
1184 1704
1185 req->type = ix; 1705 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1706 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1707
1189 REQ_SEND; 1708 REQ_SEND;
1190} 1709}
1191 1710
1192void 1711void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1712aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1713 ALIAS:
1195 aio_link = EIO_LINK 1714 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1715 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1716 aio_rename = EIO_RENAME
1198 PPCODE: 1717 PPCODE:
1199{ 1718{
1719 eio_wd wd2 = 0;
1200 dREQ; 1720 dREQ;
1201 1721
1202 req->type = ix; 1722 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1723 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1724 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1725 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1726
1208 REQ_SEND; 1727 REQ_SEND;
1209} 1728}
1210 1729
1211void 1730void
1731aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1732 PPCODE:
1733{
1734 eio_wd wd2 = 0;
1735 dREQ;
1736
1737 req->type = EIO_RENAME;
1738 req_set_path1 (req, oldpath);
1739 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1740 req->int2 = flags;
1741 req->int3 = (long)wd2;
1742
1743 REQ_SEND;
1744}
1745
1746void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1747aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1748 PPCODE:
1214{ 1749{
1215 dREQ; 1750 dREQ;
1216 1751
1217 req->type = EIO_MKNOD; 1752 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1753 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1754 req->offs = dev;
1755 req_set_path1 (req, pathname);
1222 1756
1223 REQ_SEND; 1757 REQ_SEND;
1224} 1758}
1225 1759
1226void 1760void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1761aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1762 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1763 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1764 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1765 PPCODE:
1233{ 1766{
1234 STRLEN svlen; 1767 STRLEN svlen;
1768 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1769 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1770
1771 if (flags < 0)
1772 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1773
1238 if (offset < 0) 1774 if (offset < 0)
1239 offset += svlen; 1775 offset += svlen;
1240 1776
1241 if (offset < 0 || offset > svlen) 1777 if (offset < 0 || offset > svlen)
… …
1246 1782
1247 { 1783 {
1248 dREQ; 1784 dREQ;
1249 1785
1250 req->type = ix; 1786 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1787 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1788 req->ptr2 = (char *)svptr + offset;
1789 req->size = len;
1254 req->int1 = flags; 1790 req->int1 = flags;
1255 1791
1256 REQ_SEND; 1792 REQ_SEND;
1257 } 1793 }
1258} 1794}
1259 1795
1260void 1796void
1797aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1798 PPCODE:
1799{
1800 STRLEN svlen;
1801 char *svptr = SvPVbyte (data, svlen);
1802 UV len = SvUV (length);
1803
1804 if (offset < 0)
1805 offset += svlen;
1806
1807 if (offset < 0 || offset > svlen)
1808 croak ("offset outside of scalar");
1809
1810 if (!SvOK (length) || len + offset > svlen)
1811 len = svlen - offset;
1812
1813 {
1814 dREQ;
1815
1816 req->type = EIO_MLOCK;
1817 req->sv2 = SvREFCNT_inc (data);
1818 req->ptr2 = (char *)svptr + offset;
1819 req->size = len;
1820
1821 REQ_SEND;
1822 }
1823}
1824
1825void
1826aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1827 PPCODE:
1828{
1829 dREQ;
1830
1831 req->type = EIO_MLOCKALL;
1832 req->int1 = flags;
1833
1834 REQ_SEND;
1835}
1836
1837void
1838aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1839 PPCODE:
1840{
1841 int fd = s_fileno_croak (fh, 0);
1842 dREQ;
1843
1844 req->type = EIO_CUSTOM;
1845 req->sv1 = newSVsv (fh);
1846 req->int1 = fd;
1847
1848 req->feed = fiemap;
1849#if HAVE_FIEMAP
1850 /* keep our fingers crossed that the next two types are 64 bit */
1851 req->offs = start;
1852 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1853 req->int2 = flags;
1854 req->int3 = SvOK (count) ? SvIV (count) : -1;
1855#endif
1856
1857 REQ_SEND;
1858}
1859
1860void
1861aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1862 PPCODE:
1863{
1864 char *svptr = 0;
1865
1866 sv_clear_foreign (data);
1867
1868 if (length) /* known length, directly read into scalar */
1869 {
1870 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1871 svptr = sv_grow (data, length + 1);
1872 else if (SvCUR (data) < length)
1873 croak ("length outside of scalar, and cannot grow");
1874 else
1875 svptr = SvPVbyte_nolen (data);
1876 }
1877
1878 {
1879 dREQ;
1880
1881 req->type = EIO_SLURP;
1882 req_set_path1 (req, pathname);
1883 req->offs = offset;
1884 req->size = length;
1885 req->sv2 = SvREFCNT_inc (data);
1886 req->ptr2 = svptr;
1887
1888 if (!SvREADONLY (data))
1889 {
1890 SvREADONLY_on (data);
1891 req->flags |= FLAG_SV2_RO_OFF;
1892 }
1893
1894 REQ_SEND;
1895 }
1896}
1897
1898void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1899aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1900 PPCODE:
1263{ 1901{
1264 dREQ; 1902 dREQ;
1265 1903
1266 req->type = EIO_BUSY; 1904 req->type = EIO_BUSY;
… …
1268 1906
1269 REQ_SEND; 1907 REQ_SEND;
1270} 1908}
1271 1909
1272void 1910void
1273aio_group (SV *callback=&PL_sv_undef) 1911aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1912 PPCODE:
1276{ 1913{
1277 dREQ; 1914 dREQ;
1278 1915
1279 req->type = EIO_GROUP; 1916 req->type = EIO_GROUP;
1280 1917
1918 PUTBACK;
1281 req_submit (req); 1919 req_submit (req);
1920 SPAGAIN;
1921
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1922 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1923}
1284 1924
1285void 1925void
1286aio_nop (SV *callback=&PL_sv_undef) 1926aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1927 ALIAS:
1288 aio_nop = EIO_NOP 1928 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1929 aio_sync = EIO_SYNC
1290 PPCODE: 1930 PPCODE:
1291{ 1931{
… …
1295 1935
1296 REQ_SEND; 1936 REQ_SEND;
1297} 1937}
1298 1938
1299int 1939int
1300aioreq_pri (int pri = 0) 1940aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 1941 CODE:
1303 RETVAL = next_pri; 1942 RETVAL = next_pri;
1304 if (items > 0) 1943 if (items > 0)
1305 { 1944 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1945 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1957 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1958 next_pri = nice;
1320 1959
1321void 1960void
1322flush () 1961flush ()
1323 PROTOTYPE:
1324 CODE: 1962 CODE:
1325 while (eio_nreqs ()) 1963 while (eio_nreqs ())
1326 { 1964 {
1327 poll_wait (); 1965 poll_wait ();
1328 poll_cb (); 1966 poll_cb ();
1329 } 1967 }
1330 1968
1331int 1969int
1332poll() 1970poll ()
1333 PROTOTYPE:
1334 CODE: 1971 CODE:
1335 poll_wait (); 1972 poll_wait ();
1336 RETVAL = poll_cb (); 1973 RETVAL = poll_cb ();
1337 OUTPUT: 1974 OUTPUT:
1338 RETVAL 1975 RETVAL
1339 1976
1340int 1977int
1341poll_fileno() 1978poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1979 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1980 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 1981 OUTPUT:
1346 RETVAL 1982 RETVAL
1347 1983
1348int 1984int
1349poll_cb(...) 1985poll_cb (...)
1350 PROTOTYPE: 1986 PROTOTYPE:
1351 CODE: 1987 CODE:
1352 RETVAL = poll_cb (); 1988 RETVAL = poll_cb ();
1353 OUTPUT: 1989 OUTPUT:
1354 RETVAL 1990 RETVAL
1355 1991
1356void 1992void
1357poll_wait() 1993poll_wait ()
1358 PROTOTYPE:
1359 CODE: 1994 CODE:
1360 poll_wait (); 1995 poll_wait ();
1361 1996
1362int 1997int
1363nreqs() 1998nreqs ()
1364 PROTOTYPE:
1365 CODE: 1999 CODE:
1366 RETVAL = eio_nreqs (); 2000 RETVAL = eio_nreqs ();
1367 OUTPUT: 2001 OUTPUT:
1368 RETVAL 2002 RETVAL
1369 2003
1370int 2004int
1371nready() 2005nready ()
1372 PROTOTYPE:
1373 CODE: 2006 CODE:
1374 RETVAL = eio_nready (); 2007 RETVAL = eio_nready ();
1375 OUTPUT: 2008 OUTPUT:
1376 RETVAL 2009 RETVAL
1377 2010
1378int 2011int
1379npending() 2012npending ()
1380 PROTOTYPE:
1381 CODE: 2013 CODE:
1382 RETVAL = eio_npending (); 2014 RETVAL = eio_npending ();
1383 OUTPUT: 2015 OUTPUT:
1384 RETVAL 2016 RETVAL
1385 2017
1386int 2018int
1387nthreads() 2019nthreads ()
1388 PROTOTYPE:
1389 CODE: 2020 CODE:
1390 RETVAL = eio_nthreads (); 2021 RETVAL = eio_nthreads ();
1391 OUTPUT: 2022 OUTPUT:
1392 RETVAL 2023 RETVAL
1393 2024
1394int 2025int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2026fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 2027 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 2028 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 2029 OUTPUT:
1400 RETVAL 2030 RETVAL
1401 2031
1402ssize_t 2032IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2033sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2034 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2035 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2036 OUTPUT:
1408 RETVAL 2037 RETVAL
1409 2038
1410void 2039void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2040mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2041 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2042 sv_clear_foreign (scalar);
1415{ 2043{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2044 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2045 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2046 if (addr == (void *)-1)
1419 XSRETURN_NO; 2047 XSRETURN_NO;
1420 2048
1421 sv_force_normal (scalar); 2049 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2050
1429 if (!(prot & PROT_WRITE)) 2051 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2052 SvREADONLY_on (scalar);
1431 2053
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2054 XSRETURN_YES;
1441} 2055}
1442 2056
1443void 2057void
1444munmap (SV *scalar) 2058munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2059 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2060 sv_clear_foreign (scalar);
1448 2061
1449int 2062int
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2063madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451 PROTOTYPE: $$$$ 2064 ALIAS:
2065 mprotect = 1
1452 CODE: 2066 CODE:
1453{ 2067{
1454 char *addr = SvPV_nolen (scalar) + offset; 2068 STRLEN svlen;
2069 void *addr = SvPVbyte (scalar, svlen);
2070 STRLEN len = SvUV (length);
1455 2071
1456 if (!SvOK (ST (2))) 2072 if (offset < 0)
2073 offset += svlen;
2074
2075 if (offset < 0 || offset > svlen)
2076 croak ("offset outside of scalar");
2077
2078 if (!SvOK (length) || len + offset > svlen)
1457 length = SvCUR (scalar) - offset; 2079 len = svlen - offset;
1458 2080
1459 if (addr >= SvEND (scalar) || length <= 0) 2081 addr = (void *)(((intptr_t)addr) + offset);
1460 XSRETURN_EMPTY; 2082 eio_page_align (&addr, &len);
1461 2083
2084 switch (ix)
2085 {
1462 RETVAL = posix_madvise (addr, length, advice); 2086 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2087 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2088 }
1463} 2089}
1464 OUTPUT: 2090 OUTPUT:
1465 RETVAL 2091 RETVAL
1466 2092
1467int 2093int
1468mlockall (int flags) 2094munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 2095 CODE:
2096{
2097 STRLEN svlen;
2098 void *addr = SvPVbyte (scalar, svlen);
2099 size_t len = SvUV (length);
2100
2101 if (offset < 0)
2102 offset += svlen;
2103
2104 if (offset < 0 || offset > svlen)
2105 croak ("offset outside of scalar");
2106
2107 if (!SvOK (length) || len + offset > svlen)
2108 len = svlen - offset;
2109
2110 addr = (void *)(((intptr_t)addr) + offset);
2111 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2112#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2113 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2114#else
1478 RETVAL = -1; 2115 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2116#endif
2117}
1481 OUTPUT: 2118 OUTPUT:
1482 RETVAL 2119 RETVAL
1483 2120
1484int 2121int
1485munlockall () 2122munlockall ()
1486 PROTOTYPE:
1487 CODE: 2123 CODE:
1488#if _POSIX_MEMLOCK 2124#if _POSIX_MEMLOCK
1489 munlockall (); 2125 munlockall ();
1490#else 2126#else
1491 RETVAL = -1; 2127 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2128#endif
1494 OUTPUT: 2129 OUTPUT:
1495 RETVAL 2130 RETVAL
2131
2132int
2133splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2134 CODE:
2135{
2136#if HAVE_LINUX_SPLICE
2137 loff_t off_in_, off_out_;
2138 RETVAL = splice (
2139 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2140 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2141 length, flags
2142 );
2143#else
2144 RETVAL = EIO_ENOSYS ();
2145#endif
2146}
2147 OUTPUT:
2148 RETVAL
2149
2150int
2151tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2152 CODE:
2153#if HAVE_LINUX_SPLICE
2154 RETVAL = tee (rfh, wfh, length, flags);
2155#else
2156 RETVAL = EIO_ENOSYS ();
2157#endif
2158 OUTPUT:
2159 RETVAL
2160
2161int
2162pipesize (aio_rfd rfh, int new_size = -1)
2163 PROTOTYPE: $;$
2164 CODE:
2165#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2166 if (new_size >= 0)
2167 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2168 else
2169 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2170#else
2171 errno = ENOSYS;
2172 RETVAL = -1;
2173#endif
2174 OUTPUT:
2175 RETVAL
2176
2177void
2178pipe2 (int flags = 0)
2179 PROTOTYPE: ;$
2180 PPCODE:
2181{
2182 int fd[2];
2183 int res;
2184
2185 if (flags)
2186#if HAVE_PIPE2
2187 res = pipe2 (fd, flags);
2188#else
2189 res = (errno = ENOSYS, -1);
2190#endif
2191 else
2192 res = pipe (fd);
2193
2194 if (!res)
2195 {
2196 EXTEND (SP, 2);
2197 PUSHs (newmortalFH (fd[0], O_RDONLY));
2198 PUSHs (newmortalFH (fd[1], O_WRONLY));
2199 }
2200}
2201
2202void
2203eventfd (unsigned int initval = 0, int flags = 0)
2204 PPCODE:
2205{
2206 int fd;
2207#if HAVE_EVENTFD
2208 fd = eventfd (initval, flags);
2209#else
2210 fd = (errno = ENOSYS, -1);
2211#endif
2212
2213 XPUSHs (newmortalFH (fd, O_RDWR));
2214}
2215
2216void
2217timerfd_create (int clockid, int flags = 0)
2218 PPCODE:
2219{
2220 int fd;
2221#if HAVE_TIMERFD
2222 fd = timerfd_create (clockid, flags);
2223#else
2224 fd = (errno = ENOSYS, -1);
2225#endif
2226
2227 XPUSHs (newmortalFH (fd, O_RDWR));
2228}
2229
2230void
2231timerfd_settime (SV *fh, int flags, NV interval, NV value)
2232 PPCODE:
2233{
2234 int fd = s_fileno_croak (fh, 0);
2235#if HAVE_TIMERFD
2236 int res;
2237 struct itimerspec its, ots;
2238
2239 ts_set (&its.it_interval, interval);
2240 ts_set (&its.it_value , value);
2241 res = timerfd_settime (fd, flags, &its, &ots);
2242
2243 if (!res)
2244 {
2245 EXTEND (SP, 2);
2246 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2247 PUSHs (newSVnv (ts_get (&ots.it_value)));
2248 }
2249#else
2250 errno = ENOSYS;
2251#endif
2252}
2253
2254void
2255timerfd_gettime (SV *fh)
2256 PPCODE:
2257{
2258 int fd = s_fileno_croak (fh, 0);
2259#if HAVE_TIMERFD
2260 int res;
2261 struct itimerspec ots;
2262 res = timerfd_gettime (fd, &ots);
2263
2264 if (!res)
2265 {
2266 EXTEND (SP, 2);
2267 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2268 PUSHs (newSVnv (ts_get (&ots.it_value)));
2269 }
2270#else
2271 errno = ENOSYS;
2272#endif
2273}
2274
2275UV
2276get_fdlimit ()
2277 CODE:
2278#if HAVE_RLIMITS
2279 struct rlimit rl;
2280 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2281 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2282#endif
2283 XSRETURN_UNDEF;
2284 OUTPUT:
2285 RETVAL
2286
2287void
2288min_fdlimit (UV limit = 0x7fffffffU)
2289 CODE:
2290{
2291#if HAVE_RLIMITS
2292 struct rlimit rl;
2293 rlim_t orig_rlim_max;
2294 UV bit;
2295
2296 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2297 goto fail;
2298
2299 if (rl.rlim_cur == RLIM_INFINITY)
2300 XSRETURN_YES;
2301
2302 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2303
2304 if (rl.rlim_cur < limit)
2305 {
2306 rl.rlim_cur = limit;
2307
2308 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2309 rl.rlim_max = rl.rlim_cur;
2310 }
2311
2312 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2313 XSRETURN_YES;
2314
2315 if (errno == EPERM)
2316 {
2317 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2318 /* our limit overflows a system-wide limit */
2319 /* try an adaptive algorithm, but do not lower the hardlimit */
2320 rl.rlim_max = 0;
2321 for (bit = 0x40000000U; bit; bit >>= 1)
2322 {
2323 rl.rlim_max |= bit;
2324 rl.rlim_cur = rl.rlim_max;
2325
2326 /* nevr decrease the hard limit */
2327 if (rl.rlim_max < orig_rlim_max)
2328 break;
2329
2330 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2331 rl.rlim_max &= ~bit; /* too high, remove bit again */
2332 }
2333
2334 /* now, raise the soft limit to the max permitted */
2335 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2336 {
2337 rl.rlim_cur = rl.rlim_max;
2338 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2339 errno = EPERM;
2340 }
2341 }
2342#endif
2343 fail:
2344 XSRETURN_UNDEF;
2345}
1496 2346
1497void _on_next_submit (SV *cb) 2347void _on_next_submit (SV *cb)
1498 CODE: 2348 CODE:
1499 SvREFCNT_dec (on_next_submit); 2349 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2350 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2351
1502PROTOTYPES: DISABLE 2352PROTOTYPES: DISABLE
1503 2353
2354MODULE = IO::AIO PACKAGE = IO::AIO::WD
2355
2356BOOT:
2357{
2358 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2359 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2360}
2361
2362void
2363DESTROY (SV *self)
2364 CODE:
2365{
2366 aio_wd wd = SvAIO_WD (self);
2367#if HAVE_AT
2368 {
2369 SV *callback = &PL_sv_undef;
2370 dREQ; /* clobbers next_pri :/ */
2371 next_pri = req->pri; /* restore next_pri */
2372 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2373 req->type = EIO_WD_CLOSE;
2374 req->wd = wd;
2375 REQ_SEND;
2376 }
2377#else
2378 eio_wd_close_sync (wd);
2379#endif
2380}
2381
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2382MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2383
1506void 2384void
1507cancel (aio_req_ornot req) 2385cancel (aio_req_ornot req)
1508 CODE: 2386 CODE:
1509 eio_cancel (req); 2387 eio_cancel (req);
1510 2388
1511void 2389void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2390cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2391 PPCODE:
1514{ 2392{
1515 if (GIMME_V != G_VOID) 2393 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2394 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2395
1518 if (items > 1) 2396 if (items > 1)
1519 { 2397 {
1520 SV *cb_cv =get_cb (callback); 2398 SV *cb_cv = get_cb (callback);
1521 2399
1522 SvREFCNT_dec (req->callback); 2400 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2401 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2402 }
1525} 2403}
… …
1582limit (aio_req grp, int limit) 2460limit (aio_req grp, int limit)
1583 CODE: 2461 CODE:
1584 eio_grp_limit (grp, limit); 2462 eio_grp_limit (grp, limit);
1585 2463
1586void 2464void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2465feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2466 CODE:
1589{ 2467{
1590 SvREFCNT_dec (grp->sv2); 2468 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2469 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2470 grp->feed = aio_grp_feed;

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