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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.180 by root, Fri Feb 11 00:05:17 2011 UTC vs.
Revision 1.265 by root, Tue Aug 14 11:50:43 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
23#if HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
28
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 30# include <sys/mman.h>
23#endif 31#endif
24 32
33/* the incompetent fool that created musl keeps __linux__, refuses
34 * to implement any linux standard apis, and also has no way to test
35 * for his broken iplementation. don't complain to me if this fails
36 * for you.
37 */
38#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
39# include <linux/fs.h>
40# ifdef FS_IOC_FIEMAP
41# include <linux/types.h>
42# include <linux/fiemap.h>
43# define HAVE_FIEMAP 1
44# endif
45#endif
46
25/* perl namespace pollution */ 47/* perl namespace pollution */
26#undef VERSION 48#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 49
77/* perl stupidly overrides readdir and maybe others */ 50/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 51/* with thread-unsafe versions, imagine that :( */
79#undef readdir 52#undef readdir
80#undef opendir 53#undef opendir
81#undef closedir 54#undef closedir
82 55
56#ifdef _WIN32
57
58 // perl overrides all those nice libc functions
59
60 #undef malloc
61 #undef free
62 #undef open
63 #undef read
64 #undef write
65 #undef send
66 #undef recv
67 #undef stat
68 #undef lstat
69 #undef fstat
70 #undef truncate
71 #undef ftruncate
72 #undef open
73 #undef link
74 #undef close
75 #undef unlink
76 #undef mkdir
77 #undef rmdir
78 #undef rename
79 #undef lseek
80 #undef opendir
81 #undef readdir
82 #undef closedir
83 #undef chmod
84 #undef fchmod
85 #undef dup
86 #undef dup2
87 #undef abort
88 #undef pipe
89
90 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STATI64
84 92
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 93#else
91# define VAL64 NV 94
92# define SvVAL64 SvNV 95 #include <sys/time.h>
93# define newSVval64 newSVnv 96 #include <sys/select.h>
97 #include <unistd.h>
98 #include <utime.h>
99 #include <signal.h>
100
101 #define EIO_STRUCT_STAT Stat_t
102
94#endif 103#endif
95 104
96/*****************************************************************************/ 105/*****************************************************************************/
97 106
98#if __GNUC__ >= 3 107#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 113#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 114#define expect_true(expr) expect ((expr) != 0, 1)
106 115
107/*****************************************************************************/ 116/*****************************************************************************/
108 117
118#include "config.h"
119
120#if HAVE_ST_XTIMENSEC
121# define ATIMENSEC PL_statcache.st_atimensec
122# define MTIMENSEC PL_statcache.st_mtimensec
123# define CTIMENSEC PL_statcache.st_ctimensec
124#elif HAVE_ST_XTIMESPEC
125# define ATIMENSEC PL_statcache.st_atim.tv_nsec
126# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
127# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
128#else
129# define ATIMENSEC 0
130# define MTIMENSEC 0
131# define CTIMENSEC 0
132#endif
133
134#include "schmorp.h"
135
136#if HAVE_EVENTFD
137# include <sys/eventfd.h>
138#endif
139
140#if HAVE_TIMERFD
141# include <sys/timerfd.h>
142#endif
143
144#if HAVE_RLIMITS
145 #include <sys/time.h>
146 #include <sys/resource.h>
147#endif
148
109typedef SV SV8; /* byte-sv, used for argument-checking */ 149typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 150typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 151typedef int aio_wfd; /* write file descriptor */
112 152
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 153static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 154
115#define EIO_REQ_MEMBERS \ 155#define EIO_REQ_MEMBERS \
116 SV *callback; \ 156 SV *callback; \
117 SV *sv1, *sv2; \ 157 SV *sv1, *sv2; \
158 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 159 STRLEN stroffset; \
119 SV *self; 160 SV *self;
120 161
121#define EIO_NO_WRAPPERS 1 162#define EIO_NO_WRAPPERS 1
122 163
123#include "libeio/config.h"
124#include "libeio/eio.h" 164#include "libeio/eio.h"
125 165
126#ifndef POSIX_FADV_NORMAL 166static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 167#define EIO_FINISH(req) req_invoke (req)
128#endif 168static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 169#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 170
131#endif 171#include "libeio/eio.c"
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
144 172
145#if !HAVE_POSIX_FADVISE 173#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 174# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 175#endif
148 176
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE 177#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 178# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif 179#endif
237 180
238#ifndef MAP_ANONYMOUS 181#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON 182# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON 183# define MAP_ANONYMOUS MAP_ANON
241# else 184# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 185# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif 186# endif
244#endif 187#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260 188
261#ifndef makedev 189#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min)) 190# define makedev(maj,min) (((maj) << 8) | (min))
263#endif 191#endif
264#ifndef major 192#ifndef major
… …
266#endif 194#endif
267#ifndef minor 195#ifndef minor
268# define minor(dev) ((dev) & 0xff) 196# define minor(dev) ((dev) & 0xff)
269#endif 197#endif
270 198
271#ifndef PAGESIZE 199#if PAGESIZE <= 0
272# define PAGESIZE sysconf (_SC_PAGESIZE) 200# define PAGESIZE sysconf (_SC_PAGESIZE)
273#endif 201#endif
274 202
275static int req_invoke (eio_req *req); 203/*****************************************************************************/
276#define EIO_FINISH(req) req_invoke (req) 204
277static void req_destroy (eio_req *grp); 205#if !_POSIX_MAPPED_FILES
278#define EIO_DESTROY(req) req_destroy (req) 206# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
207# define munmap(addr,length) EIO_ENOSYS ()
208#endif
209
210#if !_POSIX_MEMORY_PROTECTION
211# define mprotect(addr,len,prot) EIO_ENOSYS ()
212#endif
213
214#if !MREMAP_MAYMOVE
215# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
216#endif
217
218#define FOREIGN_MAGIC PERL_MAGIC_ext
219
220static int ecb_cold
221mmap_free (pTHX_ SV *sv, MAGIC *mg)
222{
223 int old_errno = errno;
224 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
225 errno = old_errno;
226
227 mg->mg_obj = 0; /* just in case */
228
229 SvREADONLY_off (sv);
230
231 if (SvPVX (sv) != mg->mg_ptr)
232 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
233
234 SvCUR_set (sv, 0);
235 SvPVX (sv) = 0;
236 SvOK_off (sv);
237
238 return 0;
239}
240
241static MGVTBL mmap_vtbl = {
242 0, 0, 0, 0, mmap_free
243};
244
245static int ecb_cold
246sysfree_free (pTHX_ SV *sv, MAGIC *mg)
247{
248 free (mg->mg_ptr);
249 mg->mg_obj = 0; /* just in case */
250
251 SvREADONLY_off (sv);
252
253 if (SvPVX (sv) != mg->mg_ptr)
254 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
255
256 SvCUR_set (sv, 0);
257 SvPVX (sv) = 0;
258 SvOK_off (sv);
259
260 return 0;
261}
262
263static MGVTBL sysfree_vtbl = {
264 0, 0, 0, 0, sysfree_free
265};
266
267/*****************************************************************************/
268
269/* helper: set scalar to foreign ptr with custom free */
270static void
271sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
272{
273 sv_force_normal (sv);
274
275 /* we store the length in mg_obj, as namlen is I32 :/ */
276 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
277 ->mg_obj = (SV *)length;
278
279 SvUPGRADE (sv, SVt_PV); /* nop... */
280
281 if (SvLEN (sv))
282 Safefree (SvPVX (sv));
283
284 SvPVX (sv) = (char *)addr;
285 SvCUR_set (sv, length);
286 SvLEN_set (sv, 0);
287 SvPOK_only (sv);
288}
289
290static void
291sv_clear_foreign (SV *sv)
292{
293 /* todo: iterate over magic and only free ours, but of course */
294 /* the perl5porters will call that (correct) behaviour buggy */
295 sv_unmagic (sv, FOREIGN_MAGIC);
296}
297
298/*****************************************************************************/
299
300/* defines all sorts of constants to 0 unless they are already defined */
301/* also provides const_iv_ and const_niv_ macros for them */
302#include "def0.h"
303
304/*****************************************************************************/
305
306static void
307fiemap (eio_req *req)
308{
309 req->result = -1;
310
311#if HAVE_FIEMAP
312 /* assume some c99 */
313 struct fiemap *fiemap = 0;
314 size_t end_offset;
315 int count = req->int3;
316
317 req->flags |= EIO_FLAG_PTR1_FREE;
318
319 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
320 /* increase in 3.5kb steps */
321 if (count < 0)
322 count = 8;
323
324 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
325 errno = ENOMEM;
326 if (!fiemap)
327 return;
328
329 req->ptr1 = fiemap;
330
331 fiemap->fm_start = req->offs;
332 fiemap->fm_length = req->size;
333 fiemap->fm_flags = req->int2;
334 fiemap->fm_extent_count = count;
335
336 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
337 return;
338
339 if (req->int3 >= 0 /* not autosizing */
340 || !fiemap->fm_mapped_extents /* no more extents */
341 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
342 goto done;
343
344 /* else we have to loop -
345 * it would be tempting (actually I tried that first) to just query the
346 * number of extents needed, but linux often feels like not returning all
347 * extents, without telling us it left any out. this complicates
348 * this quite a bit.
349 */
350
351 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
352
353 for (;;)
354 {
355 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
356 char scratch[3072];
357 struct fiemap *incmap = (struct fiemap *)scratch;
358
359 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
360 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
361 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
362 incmap->fm_flags = fiemap->fm_flags;
363 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
366 return;
367
368 if (!incmap->fm_mapped_extents)
369 goto done;
370
371 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
372 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
373 errno = ENOMEM;
374 if (!fiemap)
375 return;
376
377 req->ptr1 = fiemap;
378
379 for (count = 0; count < incmap->fm_mapped_extents; ++count)
380 {
381 struct fiemap_extent *e = incmap->fm_extents + count;
382
383 if (e->fe_logical + e->fe_length >= end_offset)
384 goto done;
385
386 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
387
388 if (e->fe_flags & FIEMAP_EXTENT_LAST)
389 goto done;
390
391 }
392 }
393
394done:
395 req->result = 0;
396
397#else
398 errno = ENOSYS;
399#endif
400}
401
402/*****************************************************************************/
279 403
280enum { 404enum {
281 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 405 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282}; 406};
283 407
284#include "libeio/eio.c"
285
286typedef eio_req *aio_req; 408typedef eio_req *aio_req;
287typedef eio_req *aio_req_ornot; 409typedef eio_req *aio_req_ornot;
410typedef eio_wd aio_wd;
288 411
289static SV *on_next_submit; 412static SV *on_next_submit;
290static int next_pri = EIO_PRI_DEFAULT; 413static int next_pri = EIO_PRI_DEFAULT;
291static int max_outstanding; 414static int max_outstanding;
292 415
293static s_epipe respipe; 416static s_epipe respipe;
294 417
295static void req_destroy (aio_req req); 418static void req_destroy (aio_req req);
296static void req_cancel (aio_req req); 419static void req_cancel (aio_req req);
297 420
298static void want_poll (void) 421static void
422want_poll (void)
299{ 423{
300 /* write a dummy byte to the pipe so fh becomes ready */ 424 /* write a dummy byte to the pipe so fh becomes ready */
301 s_epipe_signal (&respipe); 425 s_epipe_signal (&respipe);
302} 426}
303 427
304static void done_poll (void) 428static void
429done_poll (void)
305{ 430{
306 /* read any signals sent by the worker threads */ 431 /* read any signals sent by the worker threads */
307 s_epipe_drain (&respipe); 432 s_epipe_drain (&respipe);
308} 433}
309 434
310/* must be called at most once */ 435/* must be called at most once */
436static SV *
311static SV *req_sv (aio_req req, HV *stash) 437req_sv (aio_req req, HV *stash)
312{ 438{
313 if (!req->self) 439 if (!req->self)
314 { 440 {
315 req->self = (SV *)newHV (); 441 req->self = (SV *)newHV ();
316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 442 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317 } 443 }
318 444
319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 445 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320} 446}
321 447
322static aio_req SvAIO_REQ (SV *sv) 448static SV *
449newSVaio_wd (aio_wd wd)
450{
451 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
452}
453
454static aio_req
455SvAIO_REQ (SV *sv)
323{ 456{
324 MAGIC *mg; 457 MAGIC *mg;
325 458
326 if (!SvROK (sv) 459 if (!SvROK (sv)
460 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327 || (SvSTASH (SvRV (sv)) != aio_grp_stash 461 || (SvSTASH (SvRV (sv)) != aio_grp_stash
328 && SvSTASH (SvRV (sv)) != aio_req_stash 462 && SvSTASH (SvRV (sv)) != aio_req_stash
329 && !sv_derived_from (sv, "IO::AIO::REQ"))) 463 && !sv_derived_from (sv, "IO::AIO::REQ")))
330 croak ("object of class IO::AIO::REQ expected"); 464 croak ("object of class IO::AIO::REQ expected");
331 465
332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 466 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333 467
334 return mg ? (aio_req)mg->mg_ptr : 0; 468 return mg ? (aio_req)mg->mg_ptr : 0;
335} 469}
336 470
471static aio_wd
472SvAIO_WD (SV *sv)
473{
474 if (!SvROK (sv)
475 || SvTYPE (SvRV (sv)) != SVt_PVMG
476 || SvSTASH (SvRV (sv)) != aio_wd_stash)
477 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
478
479 return (aio_wd)(long)SvIVX (SvRV (sv));
480}
481
482static SV *
483newmortalFH (int fd, int flags)
484{
485 if (fd < 0)
486 return &PL_sv_undef;
487
488 GV *gv = (GV *)sv_newmortal ();
489 char sym[64];
490 int symlen;
491
492 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
493 gv_init (gv, aio_stash, sym, symlen, 0);
494
495 symlen = snprintf (
496 sym,
497 sizeof (sym),
498 "%s&=%d",
499 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
500 fd
501 );
502
503 return do_open (gv, sym, symlen, 0, 0, 0, 0)
504 ? (SV *)gv : &PL_sv_undef;
505}
506
507static void
337static void aio_grp_feed (aio_req grp) 508aio_grp_feed (aio_req grp)
338{ 509{
339 if (grp->sv2 && SvOK (grp->sv2)) 510 if (grp->sv2 && SvOK (grp->sv2))
340 { 511 {
341 dSP; 512 dSP;
342 513
… …
350 FREETMPS; 521 FREETMPS;
351 LEAVE; 522 LEAVE;
352 } 523 }
353} 524}
354 525
526static void
355static void req_submit (eio_req *req) 527req_submit (eio_req *req)
356{ 528{
357 eio_submit (req); 529 eio_submit (req);
358 530
359 if (expect_false (on_next_submit)) 531 if (expect_false (on_next_submit))
360 { 532 {
… …
367 PUTBACK; 539 PUTBACK;
368 call_sv (cb, G_DISCARD | G_EVAL); 540 call_sv (cb, G_DISCARD | G_EVAL);
369 } 541 }
370} 542}
371 543
544static int
372static int req_invoke (eio_req *req) 545req_invoke (eio_req *req)
373{ 546{
374 if (req->flags & FLAG_SV2_RO_OFF) 547 if (req->flags & FLAG_SV2_RO_OFF)
375 SvREADONLY_off (req->sv2); 548 SvREADONLY_off (req->sv2);
376 549
377 if (!EIO_CANCELLED (req) && req->callback) 550 if (!EIO_CANCELLED (req) && req->callback)
… …
398 SvREADONLY_on (sv_result); 571 SvREADONLY_on (sv_result);
399 } 572 }
400 573
401 switch (req->type) 574 switch (req->type)
402 { 575 {
576 case EIO_WD_OPEN:
577 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
578 break;
579
403 case EIO_READDIR: 580 case EIO_READDIR:
404 { 581 {
405 SV *rv = &PL_sv_undef; 582 SV *rv = &PL_sv_undef;
406 583
407 if (req->result >= 0) 584 if (req->result >= 0)
… …
460 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 637 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
461 } 638 }
462 break; 639 break;
463 640
464 case EIO_OPEN: 641 case EIO_OPEN:
465 { 642 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
466 /* convert fd to fh */
467 SV *fh = &PL_sv_undef;
468
469 if (req->result >= 0)
470 {
471 GV *gv = (GV *)sv_newmortal ();
472 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
473 char sym [64];
474 int symlen;
475
476 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
477 gv_init (gv, aio_stash, sym, symlen, 0);
478
479 symlen = snprintf (
480 sym,
481 sizeof (sym),
482 "%s&=%d",
483 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
484 (int)req->result
485 );
486
487 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
488 fh = (SV *)gv;
489 }
490
491 PUSHs (fh);
492 }
493 break; 643 break;
494 644
495 case EIO_STATVFS: 645 case EIO_STATVFS:
496 case EIO_FSTATVFS: 646 case EIO_FSTATVFS:
497 { 647 {
498 SV *rv = &PL_sv_undef; 648 SV *rv = &PL_sv_undef;
499 649
650#ifndef _WIN32
500 if (req->result >= 0) 651 if (req->result >= 0)
501 { 652 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 653 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV (); 654 HV *hv = newHV ();
655 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
656 * chooses to make it a struct.
657 */
658 unsigned long fsid = 0;
659 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
504 660
505 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 661 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506 662
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 663 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 664 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 666 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 667 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 668 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 669 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 670 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 671 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 672 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 673 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 } 674 }
675#endif
519 676
520 PUSHs (rv); 677 PUSHs (rv);
521 } 678 }
522 679
523 break; 680 break;
… …
539 case EIO_NOP: 696 case EIO_NOP:
540 case EIO_BUSY: 697 case EIO_BUSY:
541 break; 698 break;
542 699
543 case EIO_READLINK: 700 case EIO_READLINK:
701 case EIO_REALPATH:
544 if (req->result > 0) 702 if (req->result > 0)
545 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 703 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546 break; 704 break;
547 705
548 case EIO_STAT: 706 case EIO_STAT:
549 case EIO_LSTAT: 707 case EIO_LSTAT:
550 case EIO_FSTAT: 708 case EIO_FSTAT:
551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 709 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
710
552 PL_laststatval = req->result; 711 if (!(PL_laststatval = req->result))
712 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 713 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
714
554 PUSHs (sv_result); 715 PUSHs (sv_result);
716 break;
717
718 case EIO_SEEK:
719 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
555 break; 720 break;
556 721
557 case EIO_READ: 722 case EIO_READ:
558 { 723 {
559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 724 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
562 SvSETMAGIC (req->sv2); 727 SvSETMAGIC (req->sv2);
563 PUSHs (sv_result); 728 PUSHs (sv_result);
564 } 729 }
565 break; 730 break;
566 731
732 case EIO_SLURP:
733 {
734 if (req->result >= 0)
735 {
736 /* if length was originally not known, we steal the malloc'ed memory */
737 if (req->flags & EIO_FLAG_PTR2_FREE)
738 {
739 req->flags &= ~EIO_FLAG_PTR2_FREE;
740 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
741 }
742 else
743 {
744 SvCUR_set (req->sv2, req->result);
745 *SvEND (req->sv2) = 0;
746 SvPOK_only (req->sv2);
747 }
748
749 SvSETMAGIC (req->sv2);
750 }
751
752 PUSHs (sv_result);
753 }
754 break;
755
756 case EIO_CUSTOM:
757 if (req->feed == fiemap)
758 {
759#if HAVE_FIEMAP
760 if (!req->result)
761 {
762 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
763
764 if (fiemap->fm_extent_count)
765 {
766 AV *av = newAV ();
767 int i;
768
769 while (fiemap->fm_mapped_extents)
770 {
771 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
772 AV *ext_av = newAV ();
773
774 av_store (ext_av, 3, newSVuv (extent->fe_flags));
775 av_store (ext_av, 2, newSVval64 (extent->fe_length));
776 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
777 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
778
779 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
780 }
781
782 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
783 }
784 else
785 {
786 SvIV_set (sv_result, fiemap->fm_mapped_extents);
787 PUSHs (sv_result);
788 }
789 }
790#endif
791 }
792 else
793 PUSHs (sv_result);
794 break;
795
567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 796 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568 if (req->result > 0) 797 if (req->result > 0)
569 SvIV_set (sv_result, 0); 798 SvIV_set (sv_result, 0);
570 /* FALLTHROUGH */ 799 /* FALLTHROUGH */
571 800
… …
592 } 821 }
593 822
594 return !!SvTRUE (ERRSV); 823 return !!SvTRUE (ERRSV);
595} 824}
596 825
826static void
597static void req_destroy (aio_req req) 827req_destroy (aio_req req)
598{ 828{
599 if (req->self) 829 if (req->self)
600 { 830 {
601 sv_unmagic (req->self, PERL_MAGIC_ext); 831 sv_unmagic (req->self, PERL_MAGIC_ext);
602 SvREFCNT_dec (req->self); 832 SvREFCNT_dec (req->self);
603 } 833 }
604 834
605 SvREFCNT_dec (req->sv1); 835 SvREFCNT_dec (req->sv1);
606 SvREFCNT_dec (req->sv2); 836 SvREFCNT_dec (req->sv2);
837 SvREFCNT_dec (req->sv3);
838 SvREFCNT_dec (req->sv4);
607 SvREFCNT_dec (req->callback); 839 SvREFCNT_dec (req->callback);
608 840
609 Safefree (req); 841 free (req);
610} 842}
611 843
844static void
612static void req_cancel_subs (aio_req grp) 845req_cancel_subs (aio_req grp)
613{ 846{
614 aio_req sub;
615
616 if (grp->type != EIO_GROUP) 847 if (grp->type != EIO_GROUP)
617 return; 848 return;
618 849
619 SvREFCNT_dec (grp->sv2); 850 SvREFCNT_dec (grp->sv2);
620 grp->sv2 = 0; 851 grp->sv2 = 0;
621 852
622 eio_grp_cancel (grp); 853 eio_grp_cancel (grp);
623} 854}
624 855
625static void 856static void ecb_cold
626create_respipe (void) 857create_respipe (void)
627{ 858{
628 if (s_epipe_renew (&respipe)) 859 if (s_epipe_renew (&respipe))
629 croak ("IO::AIO: unable to initialize result pipe"); 860 croak ("IO::AIO: unable to initialize result pipe");
630} 861}
631 862
632static void poll_wait (void) 863static void
864poll_wait (void)
633{ 865{
634 while (eio_nreqs ()) 866 while (eio_nreqs ())
635 { 867 {
636 int size; 868 int size;
637 869
638 X_LOCK (reslock); 870 X_LOCK (EIO_POOL->reslock);
639 size = res_queue.size; 871 size = EIO_POOL->res_queue.size;
640 X_UNLOCK (reslock); 872 X_UNLOCK (EIO_POOL->reslock);
641 873
642 if (size) 874 if (size)
643 return; 875 return;
644 876
645 etp_maybe_start_thread (); 877 etp_maybe_start_thread (EIO_POOL);
646 878
647 s_epipe_wait (&respipe); 879 s_epipe_wait (&respipe);
648 } 880 }
649} 881}
650 882
651static int poll_cb (void) 883static int
884poll_cb (void)
652{ 885{
653 for (;;) 886 for (;;)
654 { 887 {
655 int res = eio_poll (); 888 int res = eio_poll ();
656 889
… …
662 895
663 poll_wait (); 896 poll_wait ();
664 } 897 }
665} 898}
666 899
667static void atfork_child (void) 900static void ecb_cold
901reinit (void)
668{ 902{
669 create_respipe (); 903 create_respipe ();
670}
671 904
672/*****************************************************************************/ 905 if (eio_init (want_poll, done_poll) < 0)
673 906 croak ("IO::AIO: unable to initialise eio library");
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709} 907}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714 908
715/*****************************************************************************/ 909/*****************************************************************************/
716 910
717static SV * 911static SV *
718get_cb (SV *cb_sv) 912get_cb (SV *cb_sv)
719{ 913{
720 SvGETMAGIC (cb_sv); 914 SvGETMAGIC (cb_sv);
721 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 915 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722} 916}
723 917
918static aio_req ecb_noinline
919dreq (SV *callback)
920{
921 SV *cb_cv;
922 aio_req req;
923 int req_pri = next_pri;
924 next_pri = EIO_PRI_DEFAULT;
925
926 cb_cv = get_cb (callback);
927
928 req = calloc (sizeof (*req), 1);
929 if (!req)
930 croak ("out of memory during eio_req allocation");
931
932 req->callback = SvREFCNT_inc (cb_cv);
933 req->pri = req_pri;
934
935 return req;
936}
937
724#define dREQ \ 938#define dREQ \
725 SV *cb_cv; \ 939 aio_req req = dreq (callback); \
726 aio_req req; \
727 int req_pri = next_pri; \
728 next_pri = EIO_PRI_DEFAULT; \
729 \
730 cb_cv = get_cb (callback); \
731 \
732 Newz (0, req, 1, eio_req); \
733 if (!req) \
734 croak ("out of memory during eio_req allocation"); \
735 \
736 req->callback = SvREFCNT_inc (cb_cv); \
737 req->pri = req_pri
738 940
739#define REQ_SEND \ 941#define REQ_SEND \
740 PUTBACK; \ 942 PUTBACK; \
741 req_submit (req); \ 943 req_submit (req); \
742 SPAGAIN; \ 944 SPAGAIN; \
743 \ 945 \
744 if (GIMME_V != G_VOID) \ 946 if (GIMME_V != G_VOID) \
745 XPUSHs (req_sv (req, aio_req_stash)); 947 XPUSHs (req_sv (req, aio_req_stash));
746 948
949ecb_inline void
950req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
951{
952 if (expect_false (SvROK (path)))
953 {
954 SV *rv = SvRV (path);
955 SV *wdob;
956
957 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
958 {
959 path = AvARRAY (rv)[1];
960 wdob = AvARRAY (rv)[0];
961
962 if (SvOK (wdob))
963 {
964 *wd = SvAIO_WD (wdob);
965 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
966 }
967 else
968 *wd = EIO_INVALID_WD;
969 }
970 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
971 {
972 *wd = (aio_wd)(long)SvIVX (rv);
973 *wdsv = SvREFCNT_inc_NN (rv);
974 *ptr = ".";
975 return; /* path set to "." */
976 }
977 else
978 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
979 }
980
981 *pathsv = newSVsv (path);
982 *ptr = SvPVbyte_nolen (*pathsv);
983}
984
985static void ecb_noinline
986req_set_path1 (aio_req req, SV *path)
987{
988 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
989}
990
991static void ecb_noinline
992req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
993{
994 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
995
996 switch (SvTYPE (rv))
997 {
998 case SVt_PVIO:
999 case SVt_PVLV:
1000 case SVt_PVGV:
1001 req->type = type_fh;
1002 req->sv1 = newSVsv (fh_or_path);
1003 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1004 break;
1005
1006 default:
1007 req->type = type_path;
1008 req_set_path1 (req, fh_or_path);
1009 break;
1010 }
1011}
1012
1013/*****************************************************************************/
1014
1015static void
1016ts_set (struct timespec *ts, NV value)
1017{
1018 ts->tv_sec = value;
1019 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1020}
1021
1022static NV
1023ts_get (const struct timespec *ts)
1024{
1025 return ts->tv_sec + ts->tv_nsec * 1e-9;
1026}
1027
1028/*****************************************************************************/
1029
1030XS(boot_IO__AIO) ecb_cold;
1031
747MODULE = IO::AIO PACKAGE = IO::AIO 1032MODULE = IO::AIO PACKAGE = IO::AIO
748 1033
749PROTOTYPES: ENABLE 1034PROTOTYPES: ENABLE
750 1035
751BOOT: 1036BOOT:
… …
755 IV iv; 1040 IV iv;
756 } *civ, const_iv[] = { 1041 } *civ, const_iv[] = {
757# define const_niv(name, value) { # name, (IV) value }, 1042# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name }, 1043# define const_iv(name) { # name, (IV) name },
759# define const_eio(name) { # name, (IV) EIO_ ## name }, 1044# define const_eio(name) { # name, (IV) EIO_ ## name },
1045
1046 /* you have to re-run ./gendef0 after adding/removing any constants here */
1047 /* the first block can be undef if missing */
1048 const_iv (ENOSYS)
760 const_iv (EXDEV) 1049 const_iv (EXDEV)
761 const_iv (ENOSYS) 1050 const_iv (EBADR)
1051
1052 /* for lseek */
1053 const_iv (SEEK_DATA)
1054 const_iv (SEEK_HOLE)
1055
1056 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1057 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1058 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1059 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1060 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1061 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1062
1063 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1064 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1065 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1066 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1067 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1068
1069 /* the second block will be 0 when missing */
1070 const_iv (O_ACCMODE)
1071
762 const_iv (O_RDONLY) 1072 const_iv (O_RDONLY)
763 const_iv (O_WRONLY) 1073 const_iv (O_WRONLY)
764 const_iv (O_RDWR) 1074 const_iv (O_RDWR)
765 const_iv (O_CREAT) 1075 const_iv (O_CREAT)
766 const_iv (O_TRUNC) 1076 const_iv (O_TRUNC)
767 const_iv (O_EXCL) 1077 const_iv (O_EXCL)
768 const_iv (O_APPEND) 1078 const_iv (O_APPEND)
1079
1080 const_iv (O_ASYNC)
1081 const_iv (O_DIRECT)
1082 const_iv (O_NOATIME)
1083
1084 const_iv (O_CLOEXEC)
1085 const_iv (O_NOCTTY)
1086 const_iv (O_NOFOLLOW)
1087 const_iv (O_NONBLOCK)
1088 const_iv (O_EXEC)
1089 const_iv (O_SEARCH)
1090 const_iv (O_DIRECTORY)
1091 const_iv (O_DSYNC)
1092 const_iv (O_RSYNC)
1093 const_iv (O_SYNC)
1094 const_iv (O_PATH)
1095 const_iv (O_TMPFILE)
1096 const_iv (O_TTY_INIT)
769 1097
770 const_iv (S_IFIFO) 1098 const_iv (S_IFIFO)
771 const_iv (S_IFCHR) 1099 const_iv (S_IFCHR)
772 const_iv (S_IFBLK) 1100 const_iv (S_IFBLK)
773 const_iv (S_IFLNK) 1101 const_iv (S_IFLNK)
774 const_iv (S_IFREG) 1102 const_iv (S_IFREG)
775 const_iv (S_IFDIR) 1103 const_iv (S_IFDIR)
776 const_iv (S_IFWHT) 1104 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK) 1105 const_iv (S_IFSOCK)
778 const_iv (S_IFMT) 1106 const_iv (S_IFMT)
779
780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792 1107
793 const_iv (ST_RDONLY) 1108 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID) 1109 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV) 1110 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC) 1111 const_iv (ST_NOEXEC)
… …
806 const_iv (PROT_NONE) 1121 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC) 1122 const_iv (PROT_EXEC)
808 const_iv (PROT_READ) 1123 const_iv (PROT_READ)
809 const_iv (PROT_WRITE) 1124 const_iv (PROT_WRITE)
810 1125
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE) 1126 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED) 1127 const_iv (MAP_SHARED)
1128 const_iv (MAP_FIXED)
814 const_iv (MAP_ANONYMOUS) 1129 const_iv (MAP_ANONYMOUS)
815 1130
816 /* linuxish */ 1131 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED) 1132 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE) 1133 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE) 1134 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK) 1135 const_iv (MAP_NONBLOCK)
1136 const_iv (MAP_GROWSDOWN)
1137 const_iv (MAP_32BIT)
1138 const_iv (MAP_HUGETLB)
1139 const_iv (MAP_STACK)
1140
1141 const_iv (MREMAP_MAYMOVE)
1142 const_iv (MREMAP_FIXED)
1143
1144 const_iv (F_DUPFD_CLOEXEC)
1145
1146 const_iv (MSG_CMSG_CLOEXEC)
1147 const_iv (SOCK_CLOEXEC)
1148
1149 const_iv (F_OFD_GETLK)
1150 const_iv (F_OFD_SETLK)
1151 const_iv (F_OFD_GETLKW)
1152
1153 const_iv (FIFREEZE)
1154 const_iv (FITHAW)
1155 const_iv (FITRIM)
1156 const_iv (FICLONE)
1157 const_iv (FICLONERANGE)
1158 const_iv (FIDEDUPERANGE)
1159
1160 const_iv (FS_IOC_GETFLAGS)
1161 const_iv (FS_IOC_SETFLAGS)
1162 const_iv (FS_IOC_GETVERSION)
1163 const_iv (FS_IOC_SETVERSION)
1164 const_iv (FS_IOC_FIEMAP)
1165 const_iv (FS_IOC_FSGETXATTR)
1166 const_iv (FS_IOC_FSSETXATTR)
1167 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1168 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1169 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1170
1171 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1172
1173 const_iv (FS_SECRM_FL)
1174 const_iv (FS_UNRM_FL)
1175 const_iv (FS_COMPR_FL)
1176 const_iv (FS_SYNC_FL)
1177 const_iv (FS_IMMUTABLE_FL)
1178 const_iv (FS_APPEND_FL)
1179 const_iv (FS_NODUMP_FL)
1180 const_iv (FS_NOATIME_FL)
1181 const_iv (FS_DIRTY_FL)
1182 const_iv (FS_COMPRBLK_FL)
1183 const_iv (FS_NOCOMP_FL)
1184 const_iv (FS_ENCRYPT_FL)
1185 const_iv (FS_BTREE_FL)
1186 const_iv (FS_INDEX_FL)
1187 const_iv (FS_JOURNAL_DATA_FL)
1188 const_iv (FS_NOTAIL_FL)
1189 const_iv (FS_DIRSYNC_FL)
1190 const_iv (FS_TOPDIR_FL)
1191 const_iv (FS_FL_USER_MODIFIABLE)
1192
1193 const_iv (FS_XFLAG_REALTIME)
1194 const_iv (FS_XFLAG_PREALLOC)
1195 const_iv (FS_XFLAG_IMMUTABLE)
1196 const_iv (FS_XFLAG_APPEND)
1197 const_iv (FS_XFLAG_SYNC)
1198 const_iv (FS_XFLAG_NOATIME)
1199 const_iv (FS_XFLAG_NODUMP)
1200 const_iv (FS_XFLAG_RTINHERIT)
1201 const_iv (FS_XFLAG_PROJINHERIT)
1202 const_iv (FS_XFLAG_NOSYMLINKS)
1203 const_iv (FS_XFLAG_EXTSIZE)
1204 const_iv (FS_XFLAG_EXTSZINHERIT)
1205 const_iv (FS_XFLAG_NODEFRAG)
1206 const_iv (FS_XFLAG_FILESTREAM)
1207 const_iv (FS_XFLAG_DAX)
1208 const_iv (FS_XFLAG_HASATTR)
1209
1210 const_iv (FIEMAP_FLAG_SYNC)
1211 const_iv (FIEMAP_FLAG_XATTR)
1212 const_iv (FIEMAP_FLAGS_COMPAT)
1213 const_iv (FIEMAP_EXTENT_LAST)
1214 const_iv (FIEMAP_EXTENT_UNKNOWN)
1215 const_iv (FIEMAP_EXTENT_DELALLOC)
1216 const_iv (FIEMAP_EXTENT_ENCODED)
1217 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1218 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1219 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1220 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1221 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1222 const_iv (FIEMAP_EXTENT_MERGED)
1223 const_iv (FIEMAP_EXTENT_SHARED)
1224
1225 const_iv (SPLICE_F_MOVE)
1226 const_iv (SPLICE_F_NONBLOCK)
1227 const_iv (SPLICE_F_MORE)
1228 const_iv (SPLICE_F_GIFT)
1229
1230 const_iv (EFD_CLOEXEC)
1231 const_iv (EFD_NONBLOCK)
1232 const_iv (EFD_SEMAPHORE)
1233
1234 const_iv (CLOCK_REALTIME)
1235 const_iv (CLOCK_MONOTONIC)
1236 const_iv (CLOCK_BOOTTIME)
1237 const_iv (CLOCK_REALTIME_ALARM)
1238 const_iv (CLOCK_BOOTTIME_ALARM)
1239
1240 const_iv (TFD_NONBLOCK)
1241 const_iv (TFD_CLOEXEC)
1242
1243 const_iv (TFD_TIMER_ABSTIME)
1244 const_iv (TFD_TIMER_CANCEL_ON_SET)
1245
1246 /* these are libeio constants, and are independent of gendef0 */
1247 const_eio (SEEK_SET)
1248 const_eio (SEEK_CUR)
1249 const_eio (SEEK_END)
822 1250
823 const_eio (MCL_FUTURE) 1251 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT) 1252 const_eio (MCL_CURRENT)
825 1253
826 const_eio (MS_ASYNC) 1254 const_eio (MS_ASYNC)
… …
830 const_eio (MT_MODIFY) 1258 const_eio (MT_MODIFY)
831 1259
832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1260 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833 const_eio (SYNC_FILE_RANGE_WRITE) 1261 const_eio (SYNC_FILE_RANGE_WRITE)
834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1262 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1263
1264 const_eio (FALLOC_FL_KEEP_SIZE)
1265 const_eio (FALLOC_FL_PUNCH_HOLE)
1266 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1267 const_eio (FALLOC_FL_ZERO_RANGE)
1268 const_eio (FALLOC_FL_INSERT_RANGE)
1269 const_eio (FALLOC_FL_UNSHARE_RANGE)
1270
1271 const_eio (RENAME_NOREPLACE)
1272 const_eio (RENAME_EXCHANGE)
1273 const_eio (RENAME_WHITEOUT)
835 1274
836 const_eio (READDIR_DENTS) 1275 const_eio (READDIR_DENTS)
837 const_eio (READDIR_DIRS_FIRST) 1276 const_eio (READDIR_DIRS_FIRST)
838 const_eio (READDIR_STAT_ORDER) 1277 const_eio (READDIR_STAT_ORDER)
839 const_eio (READDIR_FOUND_UNKNOWN) 1278 const_eio (READDIR_FOUND_UNKNOWN)
… …
850 }; 1289 };
851 1290
852 aio_stash = gv_stashpv ("IO::AIO" , 1); 1291 aio_stash = gv_stashpv ("IO::AIO" , 1);
853 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1292 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1293 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1294 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855 1295
856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1296 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1297 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858 1298
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1299 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860 1300
861 create_respipe (); 1301 reinit ();
862
863 if (eio_init (want_poll, done_poll) < 0)
864 croak ("IO::AIO: unable to initialise eio library");
865
866 /* atfork child called in fifo order, so before eio's handler */
867 X_THREAD_ATFORK (0, 0, atfork_child);
868} 1302}
869 1303
870void 1304void
1305reinit ()
1306 PROTOTYPE:
1307
1308void
871max_poll_reqs (int nreqs) 1309max_poll_reqs (unsigned int nreqs)
872 PROTOTYPE: $ 1310 PROTOTYPE: $
873 CODE: 1311 CODE:
874 eio_set_max_poll_reqs (nreqs); 1312 eio_set_max_poll_reqs (nreqs);
875 1313
876void 1314void
… …
878 PROTOTYPE: $ 1316 PROTOTYPE: $
879 CODE: 1317 CODE:
880 eio_set_max_poll_time (nseconds); 1318 eio_set_max_poll_time (nseconds);
881 1319
882void 1320void
883min_parallel (int nthreads) 1321min_parallel (unsigned int nthreads)
884 PROTOTYPE: $ 1322 PROTOTYPE: $
885 CODE: 1323 CODE:
886 eio_set_min_parallel (nthreads); 1324 eio_set_min_parallel (nthreads);
887 1325
888void 1326void
889max_parallel (int nthreads) 1327max_parallel (unsigned int nthreads)
890 PROTOTYPE: $ 1328 PROTOTYPE: $
891 CODE: 1329 CODE:
892 eio_set_max_parallel (nthreads); 1330 eio_set_max_parallel (nthreads);
893 1331
894void 1332void
895max_idle (int nthreads) 1333max_idle (unsigned int nthreads)
896 PROTOTYPE: $ 1334 PROTOTYPE: $
897 CODE: 1335 CODE:
898 eio_set_max_idle (nthreads); 1336 eio_set_max_idle (nthreads);
899 1337
900void 1338void
1339idle_timeout (unsigned int seconds)
1340 PROTOTYPE: $
1341 CODE:
1342 eio_set_idle_timeout (seconds);
1343
1344void
901max_outstanding (int maxreqs) 1345max_outstanding (unsigned int maxreqs)
902 PROTOTYPE: $ 1346 PROTOTYPE: $
903 CODE: 1347 CODE:
904 max_outstanding = maxreqs; 1348 max_outstanding = maxreqs;
905 1349
906void 1350void
907aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1351aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
908 PPCODE: 1352 PPCODE:
909{ 1353{
910 dREQ; 1354 dREQ;
911 1355
1356 req->type = EIO_WD_OPEN;
1357 req_set_path1 (req, pathname);
1358
1359 REQ_SEND;
1360}
1361
1362void
1363aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1364 PPCODE:
1365{
1366 dREQ;
1367
912 req->type = EIO_OPEN; 1368 req->type = EIO_OPEN;
913 req->sv1 = newSVsv (pathname); 1369 req_set_path1 (req, pathname);
914 req->ptr1 = SvPVbyte_nolen (req->sv1);
915 req->int1 = flags; 1370 req->int1 = flags;
916 req->int2 = mode; 1371 req->int2 = mode;
917 1372
918 REQ_SEND; 1373 REQ_SEND;
919} 1374}
920 1375
921void 1376void
922aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1377aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
923 ALIAS: 1378 ALIAS:
924 aio_fsync = EIO_FSYNC 1379 aio_fsync = EIO_FSYNC
925 aio_fdatasync = EIO_FDATASYNC 1380 aio_fdatasync = EIO_FDATASYNC
1381 aio_syncfs = EIO_SYNCFS
926 PPCODE: 1382 PPCODE:
927{ 1383{
928 int fd = s_fileno_croak (fh, 0); 1384 int fd = s_fileno_croak (fh, 0);
929 dREQ; 1385 dREQ;
930 1386
931 req->type = ix; 1387 req->type = ix;
932 req->sv1 = newSVsv (fh); 1388 req->sv1 = newSVsv (fh);
933 req->int1 = fd; 1389 req->int1 = fd;
934 1390
935 REQ_SEND (req); 1391 REQ_SEND;
936} 1392}
937 1393
938void 1394void
939aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1395aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
940 PPCODE: 1396 PPCODE:
941{ 1397{
942 int fd = s_fileno_croak (fh, 0); 1398 int fd = s_fileno_croak (fh, 0);
943 dREQ; 1399 dREQ;
944 1400
945 req->type = EIO_SYNC_FILE_RANGE; 1401 req->type = EIO_SYNC_FILE_RANGE;
946 req->sv1 = newSVsv (fh); 1402 req->sv1 = newSVsv (fh);
947 req->int1 = fd; 1403 req->int1 = fd;
948 req->offs = offset; 1404 req->offs = offset;
949 req->size = nbytes; 1405 req->size = nbytes;
950 req->int2 = flags; 1406 req->int2 = flags;
951 1407
952 REQ_SEND (req); 1408 REQ_SEND;
953} 1409}
954 1410
955void 1411void
956aio_close (SV *fh, SV *callback=&PL_sv_undef) 1412aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
957 PPCODE: 1413 PPCODE:
958{ 1414{
959 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
960 int fd = s_fileno_croak (fh, 0); 1415 int fd = s_fileno_croak (fh, 0);
961 dREQ; 1416 dREQ;
962 1417
963 if (close_pipe < 0) 1418 req->type = EIO_FALLOCATE;
1419 req->sv1 = newSVsv (fh);
1420 req->int1 = fd;
1421 req->int2 = mode;
1422 req->offs = offset;
1423 req->size = len;
1424
1425 REQ_SEND;
1426}
1427
1428void
1429aio_close (SV *fh, SV *callback = &PL_sv_undef)
1430 PPCODE:
1431{
1432 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1433 int fd = s_fileno_croak (fh, 0);
1434 dREQ;
1435
1436 if (expect_false (close_fd < 0))
964 { 1437 {
965 int pipefd [2]; 1438 int pipefd [2];
966 1439
1440 if (
1441#ifdef _WIN32
1442 _pipe (pipefd, 1, _O_BINARY) < 0
1443#else
967 if (pipe (pipefd) < 0 1444 pipe (pipefd) < 0
968 || close (pipefd [1]) < 0
969 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1445 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1446#endif
1447 || close (pipefd [1]) < 0
1448 )
970 abort (); /*D*/ 1449 abort (); /*D*/
971 1450
972 close_pipe = pipefd [0]; 1451 close_fd = pipefd [0];
973 } 1452 }
974 1453
975 req->type = EIO_DUP2; 1454 req->type = EIO_DUP2;
976 req->int1 = close_pipe; 1455 req->int1 = close_fd;
977 req->sv2 = newSVsv (fh); 1456 req->sv2 = newSVsv (fh);
978 req->int2 = fd; 1457 req->int2 = fd;
979 1458
980 REQ_SEND (req); 1459 REQ_SEND;
981} 1460}
982 1461
983void 1462void
1463aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1464 PPCODE:
1465{
1466 int fd = s_fileno_croak (fh, 0);
1467 dREQ;
1468
1469 req->type = EIO_SEEK;
1470 req->sv1 = newSVsv (fh);
1471 req->int1 = fd;
1472 req->offs = SvVAL64 (offset);
1473 req->int2 = whence;
1474
1475 REQ_SEND;
1476}
1477
1478void
984aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1479aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
985 ALIAS: 1480 ALIAS:
986 aio_read = EIO_READ 1481 aio_read = EIO_READ
987 aio_write = EIO_WRITE 1482 aio_write = EIO_WRITE
988 PPCODE: 1483 PPCODE:
989{ 1484{
… …
1005 len = svlen - dataoffset; 1500 len = svlen - dataoffset;
1006 } 1501 }
1007 else 1502 else
1008 { 1503 {
1009 /* read: check type and grow scalar as necessary */ 1504 /* read: check type and grow scalar as necessary */
1010 SvUPGRADE (data, SVt_PV); 1505 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1011 svptr = SvGROW (data, len + dataoffset + 1); 1506 svptr = sv_grow (data, len + dataoffset + 1);
1507 else if (SvCUR (data) < len + dataoffset)
1508 croak ("length + dataoffset outside of scalar, and cannot grow");
1012 } 1509 }
1013 1510
1014 { 1511 {
1015 dREQ; 1512 dREQ;
1016 1513
… …
1032 REQ_SEND; 1529 REQ_SEND;
1033 } 1530 }
1034} 1531}
1035 1532
1036void 1533void
1037aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1534aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1535 ALIAS:
1536 aio_ioctl = EIO_IOCTL
1537 aio_fcntl = EIO_FCNTL
1038 PPCODE: 1538 PPCODE:
1039{ 1539{
1040 SV *data; 1540 int fd = s_fileno_croak (fh, 0);
1541 char *svptr;
1542
1543 if (SvPOK (arg) || !SvNIOK (arg))
1544 {
1545 STRLEN svlen;
1546 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1547#ifdef IOCPARM_LEN
1548 STRLEN need = IOCPARM_LEN (request);
1549#else
1550 STRLEN need = 256;
1551#endif
1552
1553 if (svlen < need)
1554 svptr = SvGROW (arg, need);
1555 }
1556 else
1557 svptr = (char *)SvIV (arg);
1558
1559 {
1560 dREQ;
1561
1562 req->type = ix;
1563 req->sv1 = newSVsv (fh);
1564 req->int1 = fd;
1565 req->int2 = (long)request;
1566 req->sv2 = SvREFCNT_inc (arg);
1567 req->ptr2 = svptr;
1568
1569 REQ_SEND;
1570 }
1571}
1572
1573void
1574aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1575 ALIAS:
1576 aio_readlink = EIO_READLINK
1577 aio_realpath = EIO_REALPATH
1578 PPCODE:
1579{
1041 dREQ; 1580 dREQ;
1042 1581
1043 req->type = EIO_READLINK; 1582 req->type = ix;
1044 req->sv1 = newSVsv (path); 1583 req_set_path1 (req, pathname);
1045 req->ptr1 = SvPVbyte_nolen (req->sv1);
1046 1584
1047 REQ_SEND; 1585 REQ_SEND;
1048} 1586}
1049 1587
1050void 1588void
1051aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1589aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1052 PPCODE: 1590 PPCODE:
1053{ 1591{
1054 int ifd = s_fileno_croak (in_fh , 0); 1592 int ifd = s_fileno_croak (in_fh , 0);
1055 int ofd = s_fileno_croak (out_fh, 1); 1593 int ofd = s_fileno_croak (out_fh, 1);
1056 dREQ; 1594 dREQ;
1057 1595
1058 req->type = EIO_SENDFILE; 1596 req->type = EIO_SENDFILE;
1059 req->sv1 = newSVsv (out_fh); 1597 req->sv1 = newSVsv (out_fh);
1060 req->int1 = ofd; 1598 req->int1 = ofd;
… …
1065 1603
1066 REQ_SEND; 1604 REQ_SEND;
1067} 1605}
1068 1606
1069void 1607void
1070aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1608aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1071 PPCODE: 1609 PPCODE:
1072{ 1610{
1073 int fd = s_fileno_croak (fh, 0); 1611 int fd = s_fileno_croak (fh, 0);
1074 dREQ; 1612 dREQ;
1075 1613
1076 req->type = EIO_READAHEAD; 1614 req->type = EIO_READAHEAD;
1077 req->sv1 = newSVsv (fh); 1615 req->sv1 = newSVsv (fh);
1078 req->int1 = fd; 1616 req->int1 = fd;
… …
1081 1619
1082 REQ_SEND; 1620 REQ_SEND;
1083} 1621}
1084 1622
1085void 1623void
1086aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1624aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1087 ALIAS: 1625 ALIAS:
1088 aio_stat = EIO_STAT 1626 aio_stat = EIO_STAT
1089 aio_lstat = EIO_LSTAT 1627 aio_lstat = EIO_LSTAT
1090 aio_statvfs = EIO_STATVFS 1628 aio_statvfs = EIO_STATVFS
1091 PPCODE: 1629 PPCODE:
1092{ 1630{
1093 dREQ; 1631 dREQ;
1094 1632
1095 req->sv1 = newSVsv (fh_or_path); 1633 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1096
1097 if (SvPOK (req->sv1))
1098 {
1099 req->type = ix;
1100 req->ptr1 = SvPVbyte_nolen (req->sv1);
1101 }
1102 else
1103 {
1104 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1105 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1106 }
1107 1634
1108 REQ_SEND; 1635 REQ_SEND;
1109} 1636}
1637
1638void
1639st_xtime ()
1640 ALIAS:
1641 st_atime = 1
1642 st_mtime = 2
1643 st_ctime = 4
1644 st_xtime = 7
1645 PPCODE:
1646 EXTEND (SP, 3);
1647 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1648 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1649 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1650
1651void
1652st_xtimensec ()
1653 ALIAS:
1654 st_atimensec = 1
1655 st_mtimensec = 2
1656 st_ctimensec = 4
1657 st_xtimensec = 7
1658 PPCODE:
1659 EXTEND (SP, 3);
1660 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1661 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1662 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1110 1663
1111UV 1664UV
1112major (UV dev) 1665major (UV dev)
1113 ALIAS: 1666 ALIAS:
1114 minor = 1 1667 minor = 1
1115 CODE: 1668 CODE:
1116 RETVAL = ix ? major (dev) : minor (dev); 1669 RETVAL = ix ? minor (dev) : major (dev);
1117 OUTPUT: 1670 OUTPUT:
1118 RETVAL 1671 RETVAL
1119 1672
1120UV 1673UV
1121makedev (UV maj, UV min) 1674makedev (UV maj, UV min)
… …
1123 RETVAL = makedev (maj, min); 1676 RETVAL = makedev (maj, min);
1124 OUTPUT: 1677 OUTPUT:
1125 RETVAL 1678 RETVAL
1126 1679
1127void 1680void
1128aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1681aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1129 PPCODE: 1682 PPCODE:
1130{ 1683{
1131 dREQ; 1684 dREQ;
1132 1685
1133 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1686 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1134 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1687 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1135 req->sv1 = newSVsv (fh_or_path); 1688 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1136
1137 if (SvPOK (req->sv1))
1138 {
1139 req->type = EIO_UTIME;
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 }
1142 else
1143 {
1144 req->type = EIO_FUTIME;
1145 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1146 }
1147 1689
1148 REQ_SEND; 1690 REQ_SEND;
1149} 1691}
1150 1692
1151void 1693void
1152aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1694aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1153 PPCODE: 1695 PPCODE:
1154{ 1696{
1155 dREQ; 1697 dREQ;
1156 1698
1157 req->sv1 = newSVsv (fh_or_path);
1158 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1699 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1159 1700 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1160 if (SvPOK (req->sv1))
1161 {
1162 req->type = EIO_TRUNCATE;
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 }
1165 else
1166 {
1167 req->type = EIO_FTRUNCATE;
1168 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1169 }
1170 1701
1171 REQ_SEND; 1702 REQ_SEND;
1172} 1703}
1173 1704
1174void 1705void
1175aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1706aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1176 ALIAS:
1177 aio_chmod = EIO_CHMOD
1178 aio_mkdir = EIO_MKDIR
1179 PPCODE: 1707 PPCODE:
1180{ 1708{
1181 dREQ; 1709 dREQ;
1182 1710
1183 req->int2 = mode; 1711 req->int2 = mode;
1184 req->sv1 = newSVsv (fh_or_path); 1712 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1185
1186 if (SvPOK (req->sv1))
1187 {
1188 req->type = ix;
1189 req->ptr1 = SvPVbyte_nolen (req->sv1);
1190 }
1191 else
1192 {
1193 req->type = EIO_FCHMOD;
1194 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1195 }
1196 1713
1197 REQ_SEND; 1714 REQ_SEND;
1198} 1715}
1199 1716
1200void 1717void
1201aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1718aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1202 PPCODE: 1719 PPCODE:
1203{ 1720{
1204 dREQ; 1721 dREQ;
1205 1722
1206 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1723 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1207 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1724 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1208 req->sv1 = newSVsv (fh_or_path); 1725 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1209
1210 if (SvPOK (req->sv1))
1211 {
1212 req->type = EIO_CHOWN;
1213 req->ptr1 = SvPVbyte_nolen (req->sv1);
1214 }
1215 else
1216 {
1217 req->type = EIO_FCHOWN;
1218 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1219 }
1220 1726
1221 REQ_SEND; 1727 REQ_SEND;
1222} 1728}
1223 1729
1224void 1730void
1225aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1731aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1226 PPCODE: 1732 PPCODE:
1227{ 1733{
1228 dREQ; 1734 dREQ;
1229 1735
1230 req->type = EIO_READDIR; 1736 req->type = EIO_READDIR;
1231 req->sv1 = newSVsv (pathname);
1232 req->ptr1 = SvPVbyte_nolen (req->sv1);
1233 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1737 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1234 1738
1235 if (flags & EIO_READDIR_DENTS) 1739 if (flags & EIO_READDIR_DENTS)
1236 req->int1 |= EIO_READDIR_CUSTOM2; 1740 req->int1 |= EIO_READDIR_CUSTOM2;
1237 1741
1742 req_set_path1 (req, pathname);
1743
1238 REQ_SEND; 1744 REQ_SEND;
1239} 1745}
1240 1746
1241void 1747void
1748aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1749 PPCODE:
1750{
1751 dREQ;
1752
1753 req->type = EIO_MKDIR;
1754 req->int2 = mode;
1755 req_set_path1 (req, pathname);
1756
1757 REQ_SEND;
1758}
1759
1760void
1242aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1761aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1243 ALIAS: 1762 ALIAS:
1244 aio_unlink = EIO_UNLINK 1763 aio_unlink = EIO_UNLINK
1245 aio_rmdir = EIO_RMDIR 1764 aio_rmdir = EIO_RMDIR
1246 aio_readdir = EIO_READDIR 1765 aio_readdir = EIO_READDIR
1247 PPCODE: 1766 PPCODE:
1248{ 1767{
1249 dREQ; 1768 dREQ;
1250 1769
1251 req->type = ix; 1770 req->type = ix;
1252 req->sv1 = newSVsv (pathname); 1771 req_set_path1 (req, pathname);
1253 req->ptr1 = SvPVbyte_nolen (req->sv1);
1254 1772
1255 REQ_SEND; 1773 REQ_SEND;
1256} 1774}
1257 1775
1258void 1776void
1259aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1777aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1260 ALIAS: 1778 ALIAS:
1261 aio_link = EIO_LINK 1779 aio_link = EIO_LINK
1262 aio_symlink = EIO_SYMLINK 1780 aio_symlink = EIO_SYMLINK
1263 aio_rename = EIO_RENAME 1781 aio_rename = EIO_RENAME
1264 PPCODE: 1782 PPCODE:
1265{ 1783{
1784 eio_wd wd2 = 0;
1266 dREQ; 1785 dREQ;
1267 1786
1268 req->type = ix; 1787 req->type = ix;
1269 req->sv1 = newSVsv (oldpath); 1788 req_set_path1 (req, oldpath);
1270 req->ptr1 = SvPVbyte_nolen (req->sv1); 1789 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1271 req->sv2 = newSVsv (newpath); 1790 req->int3 = (long)wd2;
1272 req->ptr2 = SvPVbyte_nolen (req->sv2);
1273 1791
1274 REQ_SEND; 1792 REQ_SEND;
1275} 1793}
1276 1794
1277void 1795void
1796aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1797 PPCODE:
1798{
1799 eio_wd wd2 = 0;
1800 dREQ;
1801
1802 req->type = EIO_RENAME;
1803 req_set_path1 (req, oldpath);
1804 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1805 req->int2 = flags;
1806 req->int3 = (long)wd2;
1807
1808 REQ_SEND;
1809}
1810
1811void
1278aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1812aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1279 PPCODE: 1813 PPCODE:
1280{ 1814{
1281 dREQ; 1815 dREQ;
1282 1816
1283 req->type = EIO_MKNOD; 1817 req->type = EIO_MKNOD;
1284 req->sv1 = newSVsv (pathname);
1285 req->ptr1 = SvPVbyte_nolen (req->sv1);
1286 req->int2 = (mode_t)mode; 1818 req->int2 = (mode_t)mode;
1287 req->offs = dev; 1819 req->offs = dev;
1820 req_set_path1 (req, pathname);
1288 1821
1289 REQ_SEND; 1822 REQ_SEND;
1290} 1823}
1291 1824
1292void 1825void
1293aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1826aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1294 ALIAS: 1827 ALIAS:
1295 aio_mtouch = EIO_MTOUCH 1828 aio_mtouch = EIO_MTOUCH
1296 aio_msync = EIO_MSYNC 1829 aio_msync = EIO_MSYNC
1297 PPCODE: 1830 PPCODE:
1298{ 1831{
1299 STRLEN svlen; 1832 STRLEN svlen;
1300 char *svptr = SvPVbyte (data, svlen); 1833 char *svptr = SvPVbyte (data, svlen);
1301 UV len = SvUV (length); 1834 UV len = SvUV (length);
1835
1836 if (flags < 0)
1837 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1302 1838
1303 if (offset < 0) 1839 if (offset < 0)
1304 offset += svlen; 1840 offset += svlen;
1305 1841
1306 if (offset < 0 || offset > svlen) 1842 if (offset < 0 || offset > svlen)
… …
1321 REQ_SEND; 1857 REQ_SEND;
1322 } 1858 }
1323} 1859}
1324 1860
1325void 1861void
1326aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1862aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1327 PPCODE: 1863 PPCODE:
1328{ 1864{
1329 STRLEN svlen; 1865 STRLEN svlen;
1330 char *svptr = SvPVbyte (data, svlen); 1866 char *svptr = SvPVbyte (data, svlen);
1331 UV len = SvUV (length); 1867 UV len = SvUV (length);
… …
1350 REQ_SEND; 1886 REQ_SEND;
1351 } 1887 }
1352} 1888}
1353 1889
1354void 1890void
1355aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1891aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1356 PPCODE: 1892 PPCODE:
1357{ 1893{
1358 dREQ; 1894 dREQ;
1359 1895
1360 req->type = EIO_MLOCKALL; 1896 req->type = EIO_MLOCKALL;
… …
1362 1898
1363 REQ_SEND; 1899 REQ_SEND;
1364} 1900}
1365 1901
1366void 1902void
1903aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1904 PPCODE:
1905{
1906 int fd = s_fileno_croak (fh, 0);
1907 dREQ;
1908
1909 req->type = EIO_CUSTOM;
1910 req->sv1 = newSVsv (fh);
1911 req->int1 = fd;
1912
1913 req->feed = fiemap;
1914#if HAVE_FIEMAP
1915 /* keep our fingers crossed that the next two types are 64 bit */
1916 req->offs = start;
1917 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1918 req->int2 = flags;
1919 req->int3 = SvOK (count) ? SvIV (count) : -1;
1920#endif
1921
1922 REQ_SEND;
1923}
1924
1925void
1926aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1927 PPCODE:
1928{
1929 char *svptr = 0;
1930
1931 sv_clear_foreign (data);
1932
1933 if (length) /* known length, directly read into scalar */
1934 {
1935 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1936 svptr = sv_grow (data, length + 1);
1937 else if (SvCUR (data) < length)
1938 croak ("length outside of scalar, and cannot grow");
1939 else
1940 svptr = SvPVbyte_nolen (data);
1941 }
1942
1943 {
1944 dREQ;
1945
1946 req->type = EIO_SLURP;
1947 req_set_path1 (req, pathname);
1948 req->offs = offset;
1949 req->size = length;
1950 req->sv2 = SvREFCNT_inc (data);
1951 req->ptr2 = svptr;
1952
1953 if (!SvREADONLY (data))
1954 {
1955 SvREADONLY_on (data);
1956 req->flags |= FLAG_SV2_RO_OFF;
1957 }
1958
1959 REQ_SEND;
1960 }
1961}
1962
1963void
1367aio_busy (double delay, SV *callback=&PL_sv_undef) 1964aio_busy (double delay, SV *callback = &PL_sv_undef)
1368 PPCODE: 1965 PPCODE:
1369{ 1966{
1370 dREQ; 1967 dREQ;
1371 1968
1372 req->type = EIO_BUSY; 1969 req->type = EIO_BUSY;
… …
1374 1971
1375 REQ_SEND; 1972 REQ_SEND;
1376} 1973}
1377 1974
1378void 1975void
1379aio_group (SV *callback=&PL_sv_undef) 1976aio_group (SV *callback = &PL_sv_undef)
1380 PPCODE: 1977 PPCODE:
1381{ 1978{
1382 dREQ; 1979 dREQ;
1383 1980
1384 req->type = EIO_GROUP; 1981 req->type = EIO_GROUP;
1385 1982
1983 PUTBACK;
1386 req_submit (req); 1984 req_submit (req);
1985 SPAGAIN;
1986
1387 XPUSHs (req_sv (req, aio_grp_stash)); 1987 XPUSHs (req_sv (req, aio_grp_stash));
1388} 1988}
1389 1989
1390void 1990void
1391aio_nop (SV *callback=&PL_sv_undef) 1991aio_nop (SV *callback = &PL_sv_undef)
1392 ALIAS: 1992 ALIAS:
1393 aio_nop = EIO_NOP 1993 aio_nop = EIO_NOP
1394 aio_sync = EIO_SYNC 1994 aio_sync = EIO_SYNC
1395 PPCODE: 1995 PPCODE:
1396{ 1996{
… …
1400 2000
1401 REQ_SEND; 2001 REQ_SEND;
1402} 2002}
1403 2003
1404int 2004int
1405aioreq_pri (int pri = 0) 2005aioreq_pri (int pri = NO_INIT)
1406 CODE: 2006 CODE:
1407 RETVAL = next_pri; 2007 RETVAL = next_pri;
1408 if (items > 0) 2008 if (items > 0)
1409 { 2009 {
1410 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2010 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1492 CODE: 2092 CODE:
1493 RETVAL = posix_fadvise (fh, offset, length, advice); 2093 RETVAL = posix_fadvise (fh, offset, length, advice);
1494 OUTPUT: 2094 OUTPUT:
1495 RETVAL 2095 RETVAL
1496 2096
1497ssize_t 2097IV
1498sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2098sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1499 CODE: 2099 CODE:
1500 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2100 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1501 OUTPUT: 2101 OUTPUT:
1502 RETVAL 2102 RETVAL
1503 2103
1504void 2104void
1505mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2105mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1506 PPCODE: 2106 PPCODE:
1507 sv_unmagic (scalar, MMAP_MAGIC); 2107 sv_clear_foreign (scalar);
1508{ 2108{
1509 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2109 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1510 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2110 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1511 if (addr == (void *)-1) 2111 if (addr == (void *)-1)
1512 XSRETURN_NO; 2112 XSRETURN_NO;
1513 2113
1514 sv_force_normal (scalar); 2114 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1515
1516 /* we store the length in mg_obj, as namlen is I32 :/ */
1517 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1518 ->mg_obj = (SV *)length;
1519
1520 SvUPGRADE (scalar, SVt_PV); /* nop... */
1521 2115
1522 if (!(prot & PROT_WRITE)) 2116 if (!(prot & PROT_WRITE))
1523 SvREADONLY_on (scalar); 2117 SvREADONLY_on (scalar);
1524 2118
1525 if (SvLEN (scalar))
1526 Safefree (SvPVX (scalar));
1527
1528 SvPVX (scalar) = (char *)addr;
1529 SvCUR_set (scalar, length);
1530 SvLEN_set (scalar, 0);
1531 SvPOK_only (scalar);
1532
1533 XSRETURN_YES; 2119 XSRETURN_YES;
1534} 2120}
1535 2121
1536void 2122void
1537munmap (SV *scalar) 2123munmap (SV *scalar)
1538 CODE: 2124 CODE:
1539 sv_unmagic (scalar, MMAP_MAGIC); 2125 sv_clear_foreign (scalar);
2126
2127SV *
2128mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2129 CODE:
2130{
2131 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2132 void *new;
2133
2134 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2135 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2136
2137 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2138
2139 RETVAL = &PL_sv_no;
2140
2141 if (new != (void *)-1)
2142 {
2143 RETVAL = new == (void *)mg->mg_ptr
2144 ? newSVpvn ("0 but true", 10)
2145 : &PL_sv_yes;
2146
2147 mg->mg_ptr = (char *)new;
2148 mg->mg_obj = (SV *)new_length;
2149
2150 SvPVX (scalar) = mg->mg_ptr;
2151 SvCUR_set (scalar, new_length);
2152 }
2153}
2154 OUTPUT:
2155 RETVAL
1540 2156
1541int 2157int
1542madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2158madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1543 ALIAS: 2159 ALIAS:
1544 mprotect = 1 2160 mprotect = 1
1545 CODE: 2161 CODE:
1546{ 2162{
1547 STRLEN svlen; 2163 STRLEN svlen;
1548 void *addr = SvPVbyte (scalar, svlen); 2164 void *addr = SvPVbyte (scalar, svlen);
1549 size_t len = SvUV (length); 2165 STRLEN len = SvUV (length);
1550 2166
1551 if (offset < 0) 2167 if (offset < 0)
1552 offset += svlen; 2168 offset += svlen;
1553 2169
1554 if (offset < 0 || offset > svlen) 2170 if (offset < 0 || offset > svlen)
… …
1568} 2184}
1569 OUTPUT: 2185 OUTPUT:
1570 RETVAL 2186 RETVAL
1571 2187
1572int 2188int
1573munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2189munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1574 CODE: 2190 CODE:
1575{ 2191{
1576 STRLEN svlen; 2192 STRLEN svlen;
1577 void *addr = SvPVbyte (scalar, svlen); 2193 void *addr = SvPVbyte (scalar, svlen);
1578 size_t len = SvUV (length); 2194 size_t len = SvUV (length);
1579 2195
1580 if (offset < 0) 2196 if (offset < 0)
1581 offset += svlen; 2197 offset += svlen;
1582 2198
… …
1589 addr = (void *)(((intptr_t)addr) + offset); 2205 addr = (void *)(((intptr_t)addr) + offset);
1590 eio_page_align (&addr, &len); 2206 eio_page_align (&addr, &len);
1591#if _POSIX_MEMLOCK_RANGE 2207#if _POSIX_MEMLOCK_RANGE
1592 RETVAL = munlock (addr, len); 2208 RETVAL = munlock (addr, len);
1593#else 2209#else
1594 RETVAL = ((errno = ENOSYS), -1); 2210 RETVAL = EIO_ENOSYS ();
1595#endif 2211#endif
1596} 2212}
1597 OUTPUT: 2213 OUTPUT:
1598 RETVAL 2214 RETVAL
1599 2215
… …
1601munlockall () 2217munlockall ()
1602 CODE: 2218 CODE:
1603#if _POSIX_MEMLOCK 2219#if _POSIX_MEMLOCK
1604 munlockall (); 2220 munlockall ();
1605#else 2221#else
1606 RETVAL = -1; 2222 RETVAL = EIO_ENOSYS ();
1607 errno = ENOSYS;
1608#endif 2223#endif
1609 OUTPUT: 2224 OUTPUT:
1610 RETVAL 2225 RETVAL
2226
2227int
2228splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2229 CODE:
2230{
2231#if HAVE_LINUX_SPLICE
2232 loff_t off_in_, off_out_;
2233 RETVAL = splice (
2234 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2235 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2236 length, flags
2237 );
2238#else
2239 RETVAL = EIO_ENOSYS ();
2240#endif
2241}
2242 OUTPUT:
2243 RETVAL
2244
2245int
2246tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2247 CODE:
2248#if HAVE_LINUX_SPLICE
2249 RETVAL = tee (rfh, wfh, length, flags);
2250#else
2251 RETVAL = EIO_ENOSYS ();
2252#endif
2253 OUTPUT:
2254 RETVAL
2255
2256int
2257pipesize (aio_rfd rfh, int new_size = -1)
2258 PROTOTYPE: $;$
2259 CODE:
2260#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2261 if (new_size >= 0)
2262 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2263 else
2264 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2265#else
2266 errno = ENOSYS;
2267 RETVAL = -1;
2268#endif
2269 OUTPUT:
2270 RETVAL
2271
2272void
2273pipe2 (int flags = 0)
2274 PROTOTYPE: ;$
2275 PPCODE:
2276{
2277 int fd[2];
2278 int res;
2279
2280 if (flags)
2281#if HAVE_PIPE2
2282 res = pipe2 (fd, flags);
2283#else
2284 res = (errno = ENOSYS, -1);
2285#endif
2286 else
2287 res = pipe (fd);
2288
2289 if (!res)
2290 {
2291 EXTEND (SP, 2);
2292 PUSHs (newmortalFH (fd[0], O_RDONLY));
2293 PUSHs (newmortalFH (fd[1], O_WRONLY));
2294 }
2295}
2296
2297void
2298eventfd (unsigned int initval = 0, int flags = 0)
2299 PPCODE:
2300{
2301 int fd;
2302#if HAVE_EVENTFD
2303 fd = eventfd (initval, flags);
2304#else
2305 fd = (errno = ENOSYS, -1);
2306#endif
2307
2308 XPUSHs (newmortalFH (fd, O_RDWR));
2309}
2310
2311void
2312timerfd_create (int clockid, int flags = 0)
2313 PPCODE:
2314{
2315 int fd;
2316#if HAVE_TIMERFD
2317 fd = timerfd_create (clockid, flags);
2318#else
2319 fd = (errno = ENOSYS, -1);
2320#endif
2321
2322 XPUSHs (newmortalFH (fd, O_RDWR));
2323}
2324
2325void
2326timerfd_settime (SV *fh, int flags, NV interval, NV value)
2327 PPCODE:
2328{
2329 int fd = s_fileno_croak (fh, 0);
2330#if HAVE_TIMERFD
2331 int res;
2332 struct itimerspec its, ots;
2333
2334 ts_set (&its.it_interval, interval);
2335 ts_set (&its.it_value , value);
2336 res = timerfd_settime (fd, flags, &its, &ots);
2337
2338 if (!res)
2339 {
2340 EXTEND (SP, 2);
2341 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2342 PUSHs (newSVnv (ts_get (&ots.it_value)));
2343 }
2344#else
2345 errno = ENOSYS;
2346#endif
2347}
2348
2349void
2350timerfd_gettime (SV *fh)
2351 PPCODE:
2352{
2353 int fd = s_fileno_croak (fh, 0);
2354#if HAVE_TIMERFD
2355 int res;
2356 struct itimerspec ots;
2357 res = timerfd_gettime (fd, &ots);
2358
2359 if (!res)
2360 {
2361 EXTEND (SP, 2);
2362 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2363 PUSHs (newSVnv (ts_get (&ots.it_value)));
2364 }
2365#else
2366 errno = ENOSYS;
2367#endif
2368}
2369
2370UV
2371get_fdlimit ()
2372 CODE:
2373#if HAVE_RLIMITS
2374 struct rlimit rl;
2375 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2376 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2377#endif
2378 XSRETURN_UNDEF;
2379 OUTPUT:
2380 RETVAL
2381
2382void
2383min_fdlimit (UV limit = 0x7fffffffU)
2384 CODE:
2385{
2386#if HAVE_RLIMITS
2387 struct rlimit rl;
2388 rlim_t orig_rlim_max;
2389 UV bit;
2390
2391 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2392 goto fail;
2393
2394 if (rl.rlim_cur == RLIM_INFINITY)
2395 XSRETURN_YES;
2396
2397 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2398
2399 if (rl.rlim_cur < limit)
2400 {
2401 rl.rlim_cur = limit;
2402
2403 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2404 rl.rlim_max = rl.rlim_cur;
2405 }
2406
2407 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2408 XSRETURN_YES;
2409
2410 if (errno == EPERM)
2411 {
2412 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2413 /* our limit overflows a system-wide limit */
2414 /* try an adaptive algorithm, but do not lower the hardlimit */
2415 rl.rlim_max = 0;
2416 for (bit = 0x40000000U; bit; bit >>= 1)
2417 {
2418 rl.rlim_max |= bit;
2419 rl.rlim_cur = rl.rlim_max;
2420
2421 /* nevr decrease the hard limit */
2422 if (rl.rlim_max < orig_rlim_max)
2423 break;
2424
2425 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2426 rl.rlim_max &= ~bit; /* too high, remove bit again */
2427 }
2428
2429 /* now, raise the soft limit to the max permitted */
2430 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2431 {
2432 rl.rlim_cur = rl.rlim_max;
2433 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2434 errno = EPERM;
2435 }
2436 }
2437#endif
2438 fail:
2439 XSRETURN_UNDEF;
2440}
1611 2441
1612void _on_next_submit (SV *cb) 2442void _on_next_submit (SV *cb)
1613 CODE: 2443 CODE:
1614 SvREFCNT_dec (on_next_submit); 2444 SvREFCNT_dec (on_next_submit);
1615 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2445 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1616 2446
1617PROTOTYPES: DISABLE 2447PROTOTYPES: DISABLE
1618 2448
2449MODULE = IO::AIO PACKAGE = IO::AIO::WD
2450
2451BOOT:
2452{
2453 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2454 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2455}
2456
2457void
2458DESTROY (SV *self)
2459 CODE:
2460{
2461 aio_wd wd = SvAIO_WD (self);
2462#if HAVE_AT
2463 {
2464 SV *callback = &PL_sv_undef;
2465 dREQ; /* clobbers next_pri :/ */
2466 next_pri = req->pri; /* restore next_pri */
2467 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2468 req->type = EIO_WD_CLOSE;
2469 req->wd = wd;
2470 REQ_SEND;
2471 }
2472#else
2473 eio_wd_close_sync (wd);
2474#endif
2475}
2476
1619MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2477MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1620 2478
1621void 2479void
1622cancel (aio_req_ornot req) 2480cancel (aio_req_ornot req)
1623 CODE: 2481 CODE:
1624 eio_cancel (req); 2482 eio_cancel (req);
1625 2483
1626void 2484void
1627cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2485cb (aio_req_ornot req, SV *callback = NO_INIT)
1628 PPCODE: 2486 PPCODE:
1629{ 2487{
1630 if (GIMME_V != G_VOID) 2488 if (GIMME_V != G_VOID)
1631 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2489 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1632 2490
1633 if (items > 1) 2491 if (items > 1)
1634 { 2492 {
1635 SV *cb_cv =get_cb (callback); 2493 SV *cb_cv = get_cb (callback);
1636 2494
1637 SvREFCNT_dec (req->callback); 2495 SvREFCNT_dec (req->callback);
1638 req->callback = SvREFCNT_inc (cb_cv); 2496 req->callback = SvREFCNT_inc (cb_cv);
1639 } 2497 }
1640} 2498}
… …
1697limit (aio_req grp, int limit) 2555limit (aio_req grp, int limit)
1698 CODE: 2556 CODE:
1699 eio_grp_limit (grp, limit); 2557 eio_grp_limit (grp, limit);
1700 2558
1701void 2559void
1702feed (aio_req grp, SV *callback=&PL_sv_undef) 2560feed (aio_req grp, SV *callback = &PL_sv_undef)
1703 CODE: 2561 CODE:
1704{ 2562{
1705 SvREFCNT_dec (grp->sv2); 2563 SvREFCNT_dec (grp->sv2);
1706 grp->sv2 = newSVsv (callback); 2564 grp->sv2 = newSVsv (callback);
1707 grp->feed = aio_grp_feed; 2565 grp->feed = aio_grp_feed;

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