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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 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 #undef utime
90
91 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 92 #define EIO_STRUCT_STATI64
84 93
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 94#else
91# define VAL64 NV 95
92# define SvVAL64 SvNV 96 #include <sys/time.h>
93# define newSVval64 newSVnv 97 #include <sys/select.h>
98 #include <unistd.h>
99 #include <utime.h>
100 #include <signal.h>
101
102 #define EIO_STRUCT_STAT Stat_t
103
94#endif 104#endif
95 105
96/*****************************************************************************/ 106/*****************************************************************************/
97 107
98#if __GNUC__ >= 3 108#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 114#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 115#define expect_true(expr) expect ((expr) != 0, 1)
106 116
107/*****************************************************************************/ 117/*****************************************************************************/
108 118
119#include "config.h"
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
166
109typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
112 170
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 172
115#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
116 SV *callback; \ 174 SV *callback; \
117 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 177 STRLEN stroffset; \
119 SV *self; 178 SV *self;
120 179
121#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
122 181
123#include "libeio/config.h"
124#include "libeio/eio.h" 182#include "libeio/eio.h"
125 183
126/* Linux/others */ 184static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 185#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 186static void req_destroy (eio_req *grp);
129#endif 187#define EIO_DESTROY(req) req_destroy (req)
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136 188
137/* POSIX */ 189#include "libeio/eio.c"
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
171
172#ifndef POSIX_FADV_NORMAL
173# define POSIX_FADV_NORMAL 0
174#endif
175#ifndef POSIX_FADV_SEQUENTIAL
176# define POSIX_FADV_SEQUENTIAL 0
177#endif
178#ifndef POSIX_FADV_RANDOM
179# define POSIX_FADV_RANDOM 0
180#endif
181#ifndef POSIX_FADV_NOREUSE
182# define POSIX_FADV_NOREUSE 0
183#endif
184#ifndef POSIX_FADV_WILLNEED
185# define POSIX_FADV_WILLNEED 0
186#endif
187#ifndef POSIX_FADV_DONTNEED
188# define POSIX_FADV_DONTNEED 0
189#endif
190 190
191#if !HAVE_POSIX_FADVISE 191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif 193#endif
194 194
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE 195#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 196# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
228#ifndef ST_NODEV
229# define ST_NODEV 0
230#endif
231#ifndef ST_NOEXEC
232# define ST_NOEXEC 0
233#endif
234#ifndef ST_SYNCHRONOUS
235# define ST_SYNCHRONOUS 0
236#endif
237#ifndef ST_MANDLOCK
238# define ST_MANDLOCK 0
239#endif
240#ifndef ST_WRITE
241# define ST_WRITE 0
242#endif
243#ifndef ST_APPEND
244# define ST_APPEND 0
245#endif
246#ifndef ST_IMMUTABLE
247# define ST_IMMUTABLE 0
248#endif
249#ifndef ST_NOATIME
250# define ST_NOATIME 0
251#endif
252#ifndef ST_NODIRATIME
253# define ST_NODIRATIME 0
254#endif
255#ifndef ST_RELATIME
256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif 197#endif
283 198
284#ifndef MAP_ANONYMOUS 199#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 200# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 201# define MAP_ANONYMOUS MAP_ANON
287# else 202# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 204# endif
290#endif 205#endif
291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306 206
307#ifndef makedev 207#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 208# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 209#endif
310#ifndef major 210#ifndef major
… …
312#endif 212#endif
313#ifndef minor 213#ifndef minor
314# define minor(dev) ((dev) & 0xff) 214# define minor(dev) ((dev) & 0xff)
315#endif 215#endif
316 216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
317#ifndef PAGESIZE 219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 223# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 224#endif
320 225
321static int req_invoke (eio_req *req); 226/*****************************************************************************/
322#define EIO_FINISH(req) req_invoke (req) 227
323static void req_destroy (eio_req *grp); 228#if !_POSIX_MAPPED_FILES
324#define EIO_DESTROY(req) req_destroy (req) 229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
326
327/*****************************************************************************/
328
329static void
330fiemap (eio_req *req)
331{
332 req->result = -1;
333
334#if HAVE_FIEMAP
335 /* assume some c99 */
336 struct fiemap *fiemap = 0;
337 size_t end_offset;
338 int count = req->int3;
339
340 req->flags |= EIO_FLAG_PTR1_FREE;
341
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */
344 if (count < 0)
345 count = 8;
346
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM;
349 if (!fiemap)
350 return;
351
352 req->ptr1 = fiemap;
353
354 fiemap->fm_start = req->offs;
355 fiemap->fm_length = req->size;
356 fiemap->fm_flags = req->int2;
357 fiemap->fm_extent_count = count;
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
360 return;
361
362 if (req->int3 >= 0 /* not autosizing */
363 || !fiemap->fm_mapped_extents /* no more extents */
364 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
365 goto done;
366
367 /* else we have to loop -
368 * it would be tempting (actually I tried that first) to just query the
369 * number of extents needed, but linux often feels like not returning all
370 * extents, without telling us it left any out. this complicates
371 * this quite a bit.
372 */
373
374 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
375
376 for (;;)
377 {
378 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
379 char scratch[3072];
380 struct fiemap *incmap = (struct fiemap *)scratch;
381
382 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
383 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
384 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
385 incmap->fm_flags = fiemap->fm_flags;
386 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
387
388 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
389 return;
390
391 if (!incmap->fm_mapped_extents)
392 goto done;
393
394 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
395 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
396 errno = ENOMEM;
397 if (!fiemap)
398 return;
399
400 req->ptr1 = fiemap;
401
402 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 {
404 struct fiemap_extent *e = incmap->fm_extents + count;
405
406 if (e->fe_logical + e->fe_length >= end_offset)
407 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410
411 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done;
413
414 }
415 }
416
417done:
418 req->result = 0;
419
420#else
421 errno = ENOSYS;
422#endif
423}
424
425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
325 428
326enum { 429enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 431};
329 432
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 433typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
334 436
335static SV *on_next_submit; 437static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 439static int max_outstanding;
338 440
339static s_epipe respipe; 441static s_epipe respipe;
340 442
341static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
343 445
344static void want_poll (void) 446static void
447want_poll (void)
345{ 448{
346 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
348} 451}
349 452
350static void done_poll (void) 453static void
454done_poll (void)
351{ 455{
352 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
354} 458}
355 459
356/* must be called at most once */ 460/* must be called at most once */
461static SV *
357static SV *req_sv (aio_req req, HV *stash) 462req_sv (aio_req req, HV *stash)
358{ 463{
359 if (!req->self) 464 if (!req->self)
360 { 465 {
361 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 468 }
364 469
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 471}
367 472
368static aio_req SvAIO_REQ (SV *sv) 473static SV *
474newSVaio_wd (aio_wd wd)
475{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477}
478
479static aio_req
480SvAIO_REQ (SV *sv)
369{ 481{
370 MAGIC *mg; 482 MAGIC *mg;
371 483
372 if (!SvROK (sv) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 487 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 488 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 489 croak ("object of class IO::AIO::REQ expected");
377 490
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 492
380 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
381} 494}
382 495
496static aio_wd
497SvAIO_WD (SV *sv)
498{
499 if (!SvROK (sv)
500 || SvTYPE (SvRV (sv)) != SVt_PVMG
501 || SvSTASH (SvRV (sv)) != aio_wd_stash)
502 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
503
504 return (aio_wd)(long)SvIVX (SvRV (sv));
505}
506
507static SV *
508newmortalFH (int fd, int flags)
509{
510 if (fd < 0)
511 return &PL_sv_undef;
512
513 GV *gv = (GV *)sv_newmortal ();
514 char sym[64];
515 int symlen;
516
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
518 gv_init (gv, aio_stash, sym, symlen, 0);
519
520 symlen = snprintf (
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 fd
526 );
527
528 return do_open (gv, sym, symlen, 0, 0, 0, 0)
529 ? (SV *)gv : &PL_sv_undef;
530}
531
532static void
383static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
384{ 534{
385 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
386 { 536 {
387 dSP; 537 dSP;
388 538
… …
396 FREETMPS; 546 FREETMPS;
397 LEAVE; 547 LEAVE;
398 } 548 }
399} 549}
400 550
551static void
401static void req_submit (eio_req *req) 552req_submit (eio_req *req)
402{ 553{
403 eio_submit (req); 554 eio_submit (req);
404 555
405 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
406 { 557 {
… …
413 PUTBACK; 564 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
415 } 566 }
416} 567}
417 568
569static int
418static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
419{ 571{
420 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
422 574
423 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 596 SvREADONLY_on (sv_result);
445 } 597 }
446 598
447 switch (req->type) 599 switch (req->type)
448 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
449 case EIO_READDIR: 605 case EIO_READDIR:
450 { 606 {
451 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
452 608
453 if (req->result >= 0) 609 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 663 }
508 break; 664 break;
509 665
510 case EIO_OPEN: 666 case EIO_OPEN:
511 { 667 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512 /* convert fd to fh */
513 SV *fh = &PL_sv_undef;
514
515 if (req->result >= 0)
516 {
517 GV *gv = (GV *)sv_newmortal ();
518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519 char sym [64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
523 gv_init (gv, aio_stash, sym, symlen, 0);
524
525 symlen = snprintf (
526 sym,
527 sizeof (sym),
528 "%s&=%d",
529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530 (int)req->result
531 );
532
533 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534 fh = (SV *)gv;
535 }
536
537 PUSHs (fh);
538 }
539 break; 668 break;
540 669
541 case EIO_STATVFS: 670 case EIO_STATVFS:
542 case EIO_FSTATVFS: 671 case EIO_FSTATVFS:
543 { 672 {
544 SV *rv = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
545 674
675#ifndef _WIN32
546 if (req->result >= 0) 676 if (req->result >= 0)
547 { 677 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 679 HV *hv = newHV ();
680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
681 * chooses to make it a struct.
682 */
683 unsigned long fsid = 0;
684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 685
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 687
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 689 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 691 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 692 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 693 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 694 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 695 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 696 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 697 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 698 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 699 }
700#endif
565 701
566 PUSHs (rv); 702 PUSHs (rv);
567 } 703 }
568 704
569 break; 705 break;
… …
593 break; 729 break;
594 730
595 case EIO_STAT: 731 case EIO_STAT:
596 case EIO_LSTAT: 732 case EIO_LSTAT:
597 case EIO_FSTAT: 733 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
599 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
739
601 PUSHs (sv_result); 740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602 break; 745 break;
603 746
604 case EIO_READ: 747 case EIO_READ:
605 { 748 {
606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 749 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
609 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 753 PUSHs (sv_result);
611 } 754 }
612 break; 755 break;
613 756
757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
781 case EIO_CUSTOM:
782 if (req->feed == fiemap)
783 {
784#if HAVE_FIEMAP
785 if (!req->result)
786 {
787 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
788
789 if (fiemap->fm_extent_count)
790 {
791 AV *av = newAV ();
792 int i;
793
794 while (fiemap->fm_mapped_extents)
795 {
796 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
797 AV *ext_av = newAV ();
798
799 av_store (ext_av, 3, newSVuv (extent->fe_flags));
800 av_store (ext_av, 2, newSVval64 (extent->fe_length));
801 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
802 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
803
804 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
805 }
806
807 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
808 }
809 else
810 {
811 SvIV_set (sv_result, fiemap->fm_mapped_extents);
812 PUSHs (sv_result);
813 }
814 }
815#endif
816 }
817 else
818 PUSHs (sv_result);
819 break;
820
614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615 if (req->result > 0) 822 if (req->result > 0)
616 SvIV_set (sv_result, 0); 823 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
618 825
… …
639 } 846 }
640 847
641 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
642} 849}
643 850
851static void
644static void req_destroy (aio_req req) 852req_destroy (aio_req req)
645{ 853{
646 if (req->self) 854 if (req->self)
647 { 855 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
650 } 858 }
651 859
652 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
655 865
656 Safefree (req); 866 free (req);
657} 867}
658 868
869static void
659static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
660{ 871{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
664 return; 873 return;
665 874
666 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 876 grp->sv2 = 0;
668 877
669 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
670} 879}
671 880
672static void 881static void ecb_cold
673create_respipe (void) 882create_respipe (void)
674{ 883{
675 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
677} 886}
678 887
679static void poll_wait (void) 888static void
889poll_wait (void)
680{ 890{
681 while (eio_nreqs ()) 891 while (eio_nreqs ())
682 { 892 {
683 int size; 893 int size;
684 894
685 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
686 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
687 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
688 898
689 if (size) 899 if (size)
690 return; 900 return;
691 901
692 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
693 903
694 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
695 } 905 }
696} 906}
697 907
698static int poll_cb (void) 908static int
909poll_cb (void)
699{ 910{
700 for (;;) 911 for (;;)
701 { 912 {
702 int res = eio_poll (); 913 int res = eio_poll ();
703 914
… …
709 920
710 poll_wait (); 921 poll_wait ();
711 } 922 }
712} 923}
713 924
714static void atfork_child (void) 925static void ecb_cold
926reinit (void)
715{ 927{
716 create_respipe (); 928 create_respipe ();
717}
718 929
719/*****************************************************************************/ 930 if (eio_init (want_poll, done_poll) < 0)
720 931 croak ("IO::AIO: unable to initialise eio library");
721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
735#define MMAP_MAGIC PERL_MAGIC_ext
736
737static int
738mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756} 932}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761 933
762/*****************************************************************************/ 934/*****************************************************************************/
763 935
764static SV * 936static SV *
765get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
766{ 938{
767 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
768 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
769} 941}
770 942
943static aio_req ecb_noinline
944dreq (SV *callback)
945{
946 SV *cb_cv;
947 aio_req req;
948 int req_pri = next_pri;
949 next_pri = EIO_PRI_DEFAULT;
950
951 cb_cv = get_cb (callback);
952
953 req = calloc (sizeof (*req), 1);
954 if (!req)
955 croak ("out of memory during eio_req allocation");
956
957 req->callback = SvREFCNT_inc (cb_cv);
958 req->pri = req_pri;
959
960 return req;
961}
962
771#define dREQ \ 963#define dREQ \
772 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
773 aio_req req; \
774 int req_pri = next_pri; \
775 next_pri = EIO_PRI_DEFAULT; \
776 \
777 cb_cv = get_cb (callback); \
778 \
779 Newz (0, req, 1, eio_req); \
780 if (!req) \
781 croak ("out of memory during eio_req allocation"); \
782 \
783 req->callback = SvREFCNT_inc (cb_cv); \
784 req->pri = req_pri
785 965
786#define REQ_SEND \ 966#define REQ_SEND \
787 PUTBACK; \ 967 PUTBACK; \
788 req_submit (req); \ 968 req_submit (req); \
789 SPAGAIN; \ 969 SPAGAIN; \
790 \ 970 \
791 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
792 XPUSHs (req_sv (req, aio_req_stash)); 972 XPUSHs (req_sv (req, aio_req_stash));
793 973
974ecb_inline void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{
977 if (expect_false (SvROK (path)))
978 {
979 SV *rv = SvRV (path);
980 SV *wdob;
981
982 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
983 {
984 path = AvARRAY (rv)[1];
985 wdob = AvARRAY (rv)[0];
986
987 if (SvOK (wdob))
988 {
989 *wd = SvAIO_WD (wdob);
990 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
991 }
992 else
993 *wd = EIO_INVALID_WD;
994 }
995 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
996 {
997 *wd = (aio_wd)(long)SvIVX (rv);
998 *wdsv = SvREFCNT_inc_NN (rv);
999 *ptr = ".";
1000 return; /* path set to "." */
1001 }
1002 else
1003 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1004 }
1005
1006 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv);
1008}
1009
1010static void ecb_noinline
1011req_set_path1 (aio_req req, SV *path)
1012{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014}
1015
1016static void ecb_noinline
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020
1021 switch (SvTYPE (rv))
1022 {
1023 case SVt_PVIO:
1024 case SVt_PVLV:
1025 case SVt_PVGV:
1026 req->type = type_fh;
1027 req->sv1 = newSVsv (fh_or_path);
1028 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1029 break;
1030
1031 default:
1032 req->type = type_path;
1033 req_set_path1 (req, fh_or_path);
1034 break;
1035 }
1036}
1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
1055XS(boot_IO__AIO) ecb_cold;
1056
794MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
795 1058
796PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
797 1060
798BOOT: 1061BOOT:
… …
802 IV iv; 1065 IV iv;
803 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
804# define const_niv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
805# define const_iv(name) { # name, (IV) name }, 1068# define const_iv(name) { # name, (IV) name },
806# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
1073 const_iv (ENOSYS)
807 const_iv (EXDEV) 1074 const_iv (EXDEV)
808 const_iv (ENOSYS) 1075 const_iv (EBADR)
1076
1077 /* for lseek */
1078 const_iv (SEEK_DATA)
1079 const_iv (SEEK_HOLE)
1080
1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1086 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1087
1088 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1089 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1093
1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
809 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
810 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
811 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
812 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
813 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
… …
826 const_iv (O_SEARCH) 1114 const_iv (O_SEARCH)
827 const_iv (O_DIRECTORY) 1115 const_iv (O_DIRECTORY)
828 const_iv (O_DSYNC) 1116 const_iv (O_DSYNC)
829 const_iv (O_RSYNC) 1117 const_iv (O_RSYNC)
830 const_iv (O_SYNC) 1118 const_iv (O_SYNC)
1119 const_iv (O_PATH)
1120 const_iv (O_TMPFILE)
831 const_iv (O_TTY_INIT) 1121 const_iv (O_TTY_INIT)
832 1122
833 const_iv (S_IFIFO) 1123 const_iv (S_IFIFO)
834 const_iv (S_IFCHR) 1124 const_iv (S_IFCHR)
835 const_iv (S_IFBLK) 1125 const_iv (S_IFBLK)
… …
837 const_iv (S_IFREG) 1127 const_iv (S_IFREG)
838 const_iv (S_IFDIR) 1128 const_iv (S_IFDIR)
839 const_iv (S_IFWHT) 1129 const_iv (S_IFWHT)
840 const_iv (S_IFSOCK) 1130 const_iv (S_IFSOCK)
841 const_iv (S_IFMT) 1131 const_iv (S_IFMT)
842
843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
848 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
849
850 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
851 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
852 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
853 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
854 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
855 1132
856 const_iv (ST_RDONLY) 1133 const_iv (ST_RDONLY)
857 const_iv (ST_NOSUID) 1134 const_iv (ST_NOSUID)
858 const_iv (ST_NODEV) 1135 const_iv (ST_NODEV)
859 const_iv (ST_NOEXEC) 1136 const_iv (ST_NOEXEC)
… …
869 const_iv (PROT_NONE) 1146 const_iv (PROT_NONE)
870 const_iv (PROT_EXEC) 1147 const_iv (PROT_EXEC)
871 const_iv (PROT_READ) 1148 const_iv (PROT_READ)
872 const_iv (PROT_WRITE) 1149 const_iv (PROT_WRITE)
873 1150
874 /*const_iv (MAP_FIXED)*/
875 const_iv (MAP_PRIVATE) 1151 const_iv (MAP_PRIVATE)
876 const_iv (MAP_SHARED) 1152 const_iv (MAP_SHARED)
1153 const_iv (MAP_FIXED)
877 const_iv (MAP_ANONYMOUS) 1154 const_iv (MAP_ANONYMOUS)
878 1155
879 /* linuxish */ 1156 /* linuxish */
880 const_iv (MAP_HUGETLB)
881 const_iv (MAP_LOCKED) 1157 const_iv (MAP_LOCKED)
882 const_iv (MAP_NORESERVE) 1158 const_iv (MAP_NORESERVE)
883 const_iv (MAP_POPULATE) 1159 const_iv (MAP_POPULATE)
884 const_iv (MAP_NONBLOCK) 1160 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK)
1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
1234
1235 const_iv (FIEMAP_FLAG_SYNC)
1236 const_iv (FIEMAP_FLAG_XATTR)
1237 const_iv (FIEMAP_FLAGS_COMPAT)
1238 const_iv (FIEMAP_EXTENT_LAST)
1239 const_iv (FIEMAP_EXTENT_UNKNOWN)
1240 const_iv (FIEMAP_EXTENT_DELALLOC)
1241 const_iv (FIEMAP_EXTENT_ENCODED)
1242 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1243 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1244 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1245 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1246 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1247 const_iv (FIEMAP_EXTENT_MERGED)
1248 const_iv (FIEMAP_EXTENT_SHARED)
1249
1250 const_iv (SPLICE_F_MOVE)
1251 const_iv (SPLICE_F_NONBLOCK)
1252 const_iv (SPLICE_F_MORE)
1253 const_iv (SPLICE_F_GIFT)
1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1271 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END)
885 1275
886 const_eio (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
887 const_eio (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
888 1278
889 const_eio (MS_ASYNC) 1279 const_eio (MS_ASYNC)
… …
893 const_eio (MT_MODIFY) 1283 const_eio (MT_MODIFY)
894 1284
895 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1285 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
896 const_eio (SYNC_FILE_RANGE_WRITE) 1286 const_eio (SYNC_FILE_RANGE_WRITE)
897 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1287 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1288
1289 const_eio (FALLOC_FL_KEEP_SIZE)
1290 const_eio (FALLOC_FL_PUNCH_HOLE)
1291 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1292 const_eio (FALLOC_FL_ZERO_RANGE)
1293 const_eio (FALLOC_FL_INSERT_RANGE)
1294 const_eio (FALLOC_FL_UNSHARE_RANGE)
1295
1296 const_eio (RENAME_NOREPLACE)
1297 const_eio (RENAME_EXCHANGE)
1298 const_eio (RENAME_WHITEOUT)
898 1299
899 const_eio (READDIR_DENTS) 1300 const_eio (READDIR_DENTS)
900 const_eio (READDIR_DIRS_FIRST) 1301 const_eio (READDIR_DIRS_FIRST)
901 const_eio (READDIR_STAT_ORDER) 1302 const_eio (READDIR_STAT_ORDER)
902 const_eio (READDIR_FOUND_UNKNOWN) 1303 const_eio (READDIR_FOUND_UNKNOWN)
… …
913 }; 1314 };
914 1315
915 aio_stash = gv_stashpv ("IO::AIO" , 1); 1316 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1317 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1318 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1319 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918 1320
919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1321 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1322 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921 1323
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1324 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923 1325
924 create_respipe (); 1326 /* allocate dummy pipe fd for aio_close */
1327 {
1328 int pipefd [2];
925 1329
926 if (eio_init (want_poll, done_poll) < 0) 1330 if (
927 croak ("IO::AIO: unable to initialise eio library"); 1331#ifdef _WIN32
1332 _pipe (pipefd, 1, _O_BINARY) < 0
1333#else
1334 pipe (pipefd) < 0
1335 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1336#endif
1337 || close (pipefd [1]) < 0
1338 )
1339 croak ("IO::AIO: unable to create dummy pipe for aio_close");
928 1340
929 /* atfork child called in fifo order, so before eio's handler */ 1341 close_fd = pipefd [0];
930 X_THREAD_ATFORK (0, 0, atfork_child); 1342 }
1343
1344 reinit ();
931} 1345}
1346
1347void
1348reinit ()
1349 PROTOTYPE:
932 1350
933void 1351void
934max_poll_reqs (unsigned int nreqs) 1352max_poll_reqs (unsigned int nreqs)
935 PROTOTYPE: $ 1353 PROTOTYPE: $
936 CODE: 1354 CODE:
… …
971 PROTOTYPE: $ 1389 PROTOTYPE: $
972 CODE: 1390 CODE:
973 max_outstanding = maxreqs; 1391 max_outstanding = maxreqs;
974 1392
975void 1393void
976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1394aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
977 PPCODE: 1395 PPCODE:
978{ 1396{
979 dREQ; 1397 dREQ;
980 1398
1399 req->type = EIO_WD_OPEN;
1400 req_set_path1 (req, pathname);
1401
1402 REQ_SEND;
1403}
1404
1405void
1406aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1407 PPCODE:
1408{
1409 dREQ;
1410
981 req->type = EIO_OPEN; 1411 req->type = EIO_OPEN;
982 req->sv1 = newSVsv (pathname); 1412 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 req->int1 = flags; 1413 req->int1 = flags;
985 req->int2 = mode; 1414 req->int2 = mode;
986 1415
987 REQ_SEND; 1416 REQ_SEND;
988} 1417}
989 1418
990void 1419void
991aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1420aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
992 ALIAS: 1421 ALIAS:
993 aio_fsync = EIO_FSYNC 1422 aio_fsync = EIO_FSYNC
994 aio_fdatasync = EIO_FDATASYNC 1423 aio_fdatasync = EIO_FDATASYNC
1424 aio_syncfs = EIO_SYNCFS
995 PPCODE: 1425 PPCODE:
996{ 1426{
997 int fd = s_fileno_croak (fh, 0); 1427 int fd = s_fileno_croak (fh, 0);
998 dREQ; 1428 dREQ;
999 1429
1000 req->type = ix; 1430 req->type = ix;
1001 req->sv1 = newSVsv (fh); 1431 req->sv1 = newSVsv (fh);
1002 req->int1 = fd; 1432 req->int1 = fd;
1003 1433
1004 REQ_SEND (req); 1434 REQ_SEND;
1005} 1435}
1006 1436
1007void 1437void
1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1438aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1009 PPCODE: 1439 PPCODE:
1010{ 1440{
1011 int fd = s_fileno_croak (fh, 0); 1441 int fd = s_fileno_croak (fh, 0);
1012 dREQ; 1442 dREQ;
1013 1443
1014 req->type = EIO_SYNC_FILE_RANGE; 1444 req->type = EIO_SYNC_FILE_RANGE;
1015 req->sv1 = newSVsv (fh); 1445 req->sv1 = newSVsv (fh);
1016 req->int1 = fd; 1446 req->int1 = fd;
1017 req->offs = offset; 1447 req->offs = offset;
1018 req->size = nbytes; 1448 req->size = nbytes;
1019 req->int2 = flags; 1449 req->int2 = flags;
1020 1450
1021 REQ_SEND (req); 1451 REQ_SEND;
1022} 1452}
1023 1453
1024void 1454void
1025aio_close (SV *fh, SV *callback=&PL_sv_undef) 1455aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1026 PPCODE: 1456 PPCODE:
1027{ 1457{
1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1029 int fd = s_fileno_croak (fh, 0); 1458 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1459 dREQ;
1031 1460
1032 if (close_pipe < 0) 1461 req->type = EIO_FALLOCATE;
1033 { 1462 req->sv1 = newSVsv (fh);
1034 int pipefd [2]; 1463 req->int1 = fd;
1464 req->int2 = mode;
1465 req->offs = offset;
1466 req->size = len;
1035 1467
1036 if (pipe (pipefd) < 0 1468 REQ_SEND;
1037 || close (pipefd [1]) < 0 1469}
1038 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
1039 abort (); /*D*/
1040 1470
1041 close_pipe = pipefd [0]; 1471void
1042 } 1472aio_close (SV *fh, SV *callback = &PL_sv_undef)
1473 PPCODE:
1474{
1475 int fd = s_fileno_croak (fh, 0);
1476 dREQ;
1043 1477
1044 req->type = EIO_DUP2; 1478 req->type = EIO_DUP2;
1045 req->int1 = close_pipe; 1479 req->int1 = close_fd;
1046 req->sv2 = newSVsv (fh); 1480 req->sv2 = newSVsv (fh);
1047 req->int2 = fd; 1481 req->int2 = fd;
1048 1482
1049 REQ_SEND (req); 1483 REQ_SEND;
1050} 1484}
1051 1485
1052void 1486void
1487aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1488 PPCODE:
1489{
1490 int fd = s_fileno_croak (fh, 0);
1491 dREQ;
1492
1493 req->type = EIO_SEEK;
1494 req->sv1 = newSVsv (fh);
1495 req->int1 = fd;
1496 req->offs = SvVAL64 (offset);
1497 req->int2 = whence;
1498
1499 REQ_SEND;
1500}
1501
1502void
1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1503aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1054 ALIAS: 1504 ALIAS:
1055 aio_read = EIO_READ 1505 aio_read = EIO_READ
1056 aio_write = EIO_WRITE 1506 aio_write = EIO_WRITE
1057 PPCODE: 1507 PPCODE:
1058{ 1508{
… …
1074 len = svlen - dataoffset; 1524 len = svlen - dataoffset;
1075 } 1525 }
1076 else 1526 else
1077 { 1527 {
1078 /* read: check type and grow scalar as necessary */ 1528 /* read: check type and grow scalar as necessary */
1079 SvUPGRADE (data, SVt_PV); 1529 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1080 svptr = SvGROW (data, len + dataoffset + 1); 1530 svptr = sv_grow (data, len + dataoffset + 1);
1531 else if (SvCUR (data) < len + dataoffset)
1532 croak ("length + dataoffset outside of scalar, and cannot grow");
1081 } 1533 }
1082 1534
1083 { 1535 {
1084 dREQ; 1536 dREQ;
1085 1537
… …
1101 REQ_SEND; 1553 REQ_SEND;
1102 } 1554 }
1103} 1555}
1104 1556
1105void 1557void
1558aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1559 ALIAS:
1560 aio_ioctl = EIO_IOCTL
1561 aio_fcntl = EIO_FCNTL
1562 PPCODE:
1563{
1564 int fd = s_fileno_croak (fh, 0);
1565 char *svptr;
1566
1567 if (SvPOK (arg) || !SvNIOK (arg))
1568 {
1569 STRLEN svlen;
1570 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1571#ifdef IOCPARM_LEN
1572 STRLEN need = IOCPARM_LEN (request);
1573#else
1574 STRLEN need = 256;
1575#endif
1576
1577 if (svlen < need)
1578 svptr = SvGROW (arg, need);
1579 }
1580 else
1581 svptr = (char *)SvIV (arg);
1582
1583 {
1584 dREQ;
1585
1586 req->type = ix;
1587 req->sv1 = newSVsv (fh);
1588 req->int1 = fd;
1589 req->int2 = (long)request;
1590 req->sv2 = SvREFCNT_inc (arg);
1591 req->ptr2 = svptr;
1592
1593 REQ_SEND;
1594 }
1595}
1596
1597void
1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1598aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1107 ALIAS: 1599 ALIAS:
1108 aio_readlink = EIO_READLINK 1600 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH 1601 aio_realpath = EIO_REALPATH
1110 PPCODE: 1602 PPCODE:
1111{ 1603{
1112 SV *data;
1113 dREQ; 1604 dREQ;
1114 1605
1115 req->type = ix; 1606 req->type = ix;
1116 req->sv1 = newSVsv (path); 1607 req_set_path1 (req, pathname);
1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
1118 1608
1119 REQ_SEND; 1609 REQ_SEND;
1120} 1610}
1121 1611
1122void 1612void
1123aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1613aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1124 PPCODE: 1614 PPCODE:
1125{ 1615{
1126 int ifd = s_fileno_croak (in_fh , 0); 1616 int ifd = s_fileno_croak (in_fh , 0);
1127 int ofd = s_fileno_croak (out_fh, 1); 1617 int ofd = s_fileno_croak (out_fh, 1);
1128 dREQ; 1618 dREQ;
1129 1619
1130 req->type = EIO_SENDFILE; 1620 req->type = EIO_SENDFILE;
1131 req->sv1 = newSVsv (out_fh); 1621 req->sv1 = newSVsv (out_fh);
1132 req->int1 = ofd; 1622 req->int1 = ofd;
… …
1137 1627
1138 REQ_SEND; 1628 REQ_SEND;
1139} 1629}
1140 1630
1141void 1631void
1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1632aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1143 PPCODE: 1633 PPCODE:
1144{ 1634{
1145 int fd = s_fileno_croak (fh, 0); 1635 int fd = s_fileno_croak (fh, 0);
1146 dREQ; 1636 dREQ;
1147 1637
1148 req->type = EIO_READAHEAD; 1638 req->type = EIO_READAHEAD;
1149 req->sv1 = newSVsv (fh); 1639 req->sv1 = newSVsv (fh);
1150 req->int1 = fd; 1640 req->int1 = fd;
… …
1153 1643
1154 REQ_SEND; 1644 REQ_SEND;
1155} 1645}
1156 1646
1157void 1647void
1158aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1648aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1159 ALIAS: 1649 ALIAS:
1160 aio_stat = EIO_STAT 1650 aio_stat = EIO_STAT
1161 aio_lstat = EIO_LSTAT 1651 aio_lstat = EIO_LSTAT
1162 aio_statvfs = EIO_STATVFS 1652 aio_statvfs = EIO_STATVFS
1163 PPCODE: 1653 PPCODE:
1164{ 1654{
1165 dREQ; 1655 dREQ;
1166 1656
1167 req->sv1 = newSVsv (fh_or_path); 1657 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1168
1169 if (SvPOK (req->sv1))
1170 {
1171 req->type = ix;
1172 req->ptr1 = SvPVbyte_nolen (req->sv1);
1173 }
1174 else
1175 {
1176 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1177 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1178 }
1179 1658
1180 REQ_SEND; 1659 REQ_SEND;
1181} 1660}
1661
1662void
1663st_xtime ()
1664 ALIAS:
1665 st_atime = 0x01
1666 st_mtime = 0x02
1667 st_ctime = 0x04
1668 st_btime = 0x08
1669 st_xtime = 0x0f
1670 PPCODE:
1671 EXTEND (SP, 4);
1672 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1673 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1674 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1675 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1676
1677void
1678st_xtimensec ()
1679 ALIAS:
1680 st_atimensec = 0x01
1681 st_mtimensec = 0x02
1682 st_ctimensec = 0x04
1683 st_btimensec = 0x08
1684 st_xtimensec = 0x0f
1685 st_btimesec = 0x10
1686 st_gen = 0x20
1687 PPCODE:
1688 EXTEND (SP, 4);
1689 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1690 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1691 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1692 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1693 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1694 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1182 1695
1183UV 1696UV
1184major (UV dev) 1697major (UV dev)
1185 ALIAS: 1698 ALIAS:
1186 minor = 1 1699 minor = 1
1187 CODE: 1700 CODE:
1188 RETVAL = ix ? major (dev) : minor (dev); 1701 RETVAL = ix ? minor (dev) : major (dev);
1189 OUTPUT: 1702 OUTPUT:
1190 RETVAL 1703 RETVAL
1191 1704
1192UV 1705UV
1193makedev (UV maj, UV min) 1706makedev (UV maj, UV min)
… …
1195 RETVAL = makedev (maj, min); 1708 RETVAL = makedev (maj, min);
1196 OUTPUT: 1709 OUTPUT:
1197 RETVAL 1710 RETVAL
1198 1711
1199void 1712void
1200aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1713aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1201 PPCODE: 1714 PPCODE:
1202{ 1715{
1203 dREQ; 1716 dREQ;
1204 1717
1205 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1718 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1206 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1719 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1207 req->sv1 = newSVsv (fh_or_path); 1720 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1208
1209 if (SvPOK (req->sv1))
1210 {
1211 req->type = EIO_UTIME;
1212 req->ptr1 = SvPVbyte_nolen (req->sv1);
1213 }
1214 else
1215 {
1216 req->type = EIO_FUTIME;
1217 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1218 }
1219 1721
1220 REQ_SEND; 1722 REQ_SEND;
1221} 1723}
1222 1724
1223void 1725void
1224aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1726aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1225 PPCODE: 1727 PPCODE:
1226{ 1728{
1227 dREQ; 1729 dREQ;
1228 1730
1229 req->sv1 = newSVsv (fh_or_path);
1230 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1731 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1231 1732 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_TRUNCATE;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FTRUNCATE;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1733
1243 REQ_SEND; 1734 REQ_SEND;
1244} 1735}
1245 1736
1246void 1737void
1247aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1738aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1248 ALIAS:
1249 aio_chmod = EIO_CHMOD
1250 aio_mkdir = EIO_MKDIR
1251 PPCODE: 1739 PPCODE:
1252{ 1740{
1253 dREQ; 1741 dREQ;
1254 1742
1255 req->int2 = mode; 1743 req->int2 = mode;
1256 req->sv1 = newSVsv (fh_or_path); 1744 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1257
1258 if (SvPOK (req->sv1))
1259 {
1260 req->type = ix;
1261 req->ptr1 = SvPVbyte_nolen (req->sv1);
1262 }
1263 else
1264 {
1265 req->type = EIO_FCHMOD;
1266 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267 }
1268 1745
1269 REQ_SEND; 1746 REQ_SEND;
1270} 1747}
1271 1748
1272void 1749void
1273aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1750aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1274 PPCODE: 1751 PPCODE:
1275{ 1752{
1276 dREQ; 1753 dREQ;
1277 1754
1278 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1755 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1279 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1756 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1280 req->sv1 = newSVsv (fh_or_path); 1757 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1281
1282 if (SvPOK (req->sv1))
1283 {
1284 req->type = EIO_CHOWN;
1285 req->ptr1 = SvPVbyte_nolen (req->sv1);
1286 }
1287 else
1288 {
1289 req->type = EIO_FCHOWN;
1290 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1291 }
1292 1758
1293 REQ_SEND; 1759 REQ_SEND;
1294} 1760}
1295 1761
1296void 1762void
1297aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1763aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1298 PPCODE: 1764 PPCODE:
1299{ 1765{
1300 dREQ; 1766 dREQ;
1301 1767
1302 req->type = EIO_READDIR; 1768 req->type = EIO_READDIR;
1303 req->sv1 = newSVsv (pathname);
1304 req->ptr1 = SvPVbyte_nolen (req->sv1);
1305 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1769 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1306 1770
1307 if (flags & EIO_READDIR_DENTS) 1771 if (flags & EIO_READDIR_DENTS)
1308 req->int1 |= EIO_READDIR_CUSTOM2; 1772 req->int1 |= EIO_READDIR_CUSTOM2;
1309 1773
1774 req_set_path1 (req, pathname);
1775
1310 REQ_SEND; 1776 REQ_SEND;
1311} 1777}
1312 1778
1313void 1779void
1780aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1781 PPCODE:
1782{
1783 dREQ;
1784
1785 req->type = EIO_MKDIR;
1786 req->int2 = mode;
1787 req_set_path1 (req, pathname);
1788
1789 REQ_SEND;
1790}
1791
1792void
1314aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1793aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1315 ALIAS: 1794 ALIAS:
1316 aio_unlink = EIO_UNLINK 1795 aio_unlink = EIO_UNLINK
1317 aio_rmdir = EIO_RMDIR 1796 aio_rmdir = EIO_RMDIR
1318 aio_readdir = EIO_READDIR 1797 aio_readdir = EIO_READDIR
1319 PPCODE: 1798 PPCODE:
1320{ 1799{
1321 dREQ; 1800 dREQ;
1322 1801
1323 req->type = ix; 1802 req->type = ix;
1324 req->sv1 = newSVsv (pathname); 1803 req_set_path1 (req, pathname);
1325 req->ptr1 = SvPVbyte_nolen (req->sv1);
1326 1804
1327 REQ_SEND; 1805 REQ_SEND;
1328} 1806}
1329 1807
1330void 1808void
1331aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1809aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1332 ALIAS: 1810 ALIAS:
1333 aio_link = EIO_LINK 1811 aio_link = EIO_LINK
1334 aio_symlink = EIO_SYMLINK 1812 aio_symlink = EIO_SYMLINK
1335 aio_rename = EIO_RENAME 1813 aio_rename = EIO_RENAME
1336 PPCODE: 1814 PPCODE:
1337{ 1815{
1816 eio_wd wd2 = 0;
1338 dREQ; 1817 dREQ;
1339 1818
1340 req->type = ix; 1819 req->type = ix;
1341 req->sv1 = newSVsv (oldpath); 1820 req_set_path1 (req, oldpath);
1342 req->ptr1 = SvPVbyte_nolen (req->sv1); 1821 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1343 req->sv2 = newSVsv (newpath); 1822 req->int3 = (long)wd2;
1344 req->ptr2 = SvPVbyte_nolen (req->sv2);
1345 1823
1346 REQ_SEND; 1824 REQ_SEND;
1347} 1825}
1348 1826
1349void 1827void
1828aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1829 PPCODE:
1830{
1831 eio_wd wd2 = 0;
1832 dREQ;
1833
1834 req->type = EIO_RENAME;
1835 req_set_path1 (req, oldpath);
1836 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1837 req->int2 = flags;
1838 req->int3 = (long)wd2;
1839
1840 REQ_SEND;
1841}
1842
1843void
1350aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1844aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1351 PPCODE: 1845 PPCODE:
1352{ 1846{
1353 dREQ; 1847 dREQ;
1354 1848
1355 req->type = EIO_MKNOD; 1849 req->type = EIO_MKNOD;
1356 req->sv1 = newSVsv (pathname);
1357 req->ptr1 = SvPVbyte_nolen (req->sv1);
1358 req->int2 = (mode_t)mode; 1850 req->int2 = (mode_t)mode;
1359 req->offs = dev; 1851 req->offs = dev;
1852 req_set_path1 (req, pathname);
1360 1853
1361 REQ_SEND; 1854 REQ_SEND;
1362} 1855}
1363 1856
1364void 1857void
1365aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1858aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1366 ALIAS: 1859 ALIAS:
1367 aio_mtouch = EIO_MTOUCH 1860 aio_mtouch = EIO_MTOUCH
1368 aio_msync = EIO_MSYNC 1861 aio_msync = EIO_MSYNC
1369 PPCODE: 1862 PPCODE:
1370{ 1863{
1371 STRLEN svlen; 1864 STRLEN svlen;
1372 char *svptr = SvPVbyte (data, svlen); 1865 char *svptr = SvPVbyte (data, svlen);
1373 UV len = SvUV (length); 1866 UV len = SvUV (length);
1867
1868 if (flags < 0)
1869 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1374 1870
1375 if (offset < 0) 1871 if (offset < 0)
1376 offset += svlen; 1872 offset += svlen;
1377 1873
1378 if (offset < 0 || offset > svlen) 1874 if (offset < 0 || offset > svlen)
… …
1393 REQ_SEND; 1889 REQ_SEND;
1394 } 1890 }
1395} 1891}
1396 1892
1397void 1893void
1398aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1894aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1399 PPCODE: 1895 PPCODE:
1400{ 1896{
1401 STRLEN svlen; 1897 STRLEN svlen;
1402 char *svptr = SvPVbyte (data, svlen); 1898 char *svptr = SvPVbyte (data, svlen);
1403 UV len = SvUV (length); 1899 UV len = SvUV (length);
… …
1422 REQ_SEND; 1918 REQ_SEND;
1423 } 1919 }
1424} 1920}
1425 1921
1426void 1922void
1427aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1923aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1428 PPCODE: 1924 PPCODE:
1429{ 1925{
1430 dREQ; 1926 dREQ;
1431 1927
1432 req->type = EIO_MLOCKALL; 1928 req->type = EIO_MLOCKALL;
… …
1434 1930
1435 REQ_SEND; 1931 REQ_SEND;
1436} 1932}
1437 1933
1438void 1934void
1935aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1936 PPCODE:
1937{
1938 int fd = s_fileno_croak (fh, 0);
1939 dREQ;
1940
1941 req->type = EIO_CUSTOM;
1942 req->sv1 = newSVsv (fh);
1943 req->int1 = fd;
1944
1945 req->feed = fiemap;
1946#if HAVE_FIEMAP
1947 /* keep our fingers crossed that the next two types are 64 bit */
1948 req->offs = start;
1949 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1950 req->int2 = flags;
1951 req->int3 = SvOK (count) ? SvIV (count) : -1;
1952#endif
1953
1954 REQ_SEND;
1955}
1956
1957void
1958aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1959 PPCODE:
1960{
1961 char *svptr = 0;
1962
1963 sv_clear_foreign (data);
1964
1965 if (length) /* known length, directly read into scalar */
1966 {
1967 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1968 svptr = sv_grow (data, length + 1);
1969 else if (SvCUR (data) < length)
1970 croak ("length outside of scalar, and cannot grow");
1971 else
1972 svptr = SvPVbyte_nolen (data);
1973 }
1974
1975 {
1976 dREQ;
1977
1978 req->type = EIO_SLURP;
1979 req_set_path1 (req, pathname);
1980 req->offs = offset;
1981 req->size = length;
1982 req->sv2 = SvREFCNT_inc (data);
1983 req->ptr2 = svptr;
1984
1985 if (!SvREADONLY (data))
1986 {
1987 SvREADONLY_on (data);
1988 req->flags |= FLAG_SV2_RO_OFF;
1989 }
1990
1991 REQ_SEND;
1992 }
1993}
1994
1995void
1439aio_busy (double delay, SV *callback=&PL_sv_undef) 1996aio_busy (double delay, SV *callback = &PL_sv_undef)
1440 PPCODE: 1997 PPCODE:
1441{ 1998{
1442 dREQ; 1999 dREQ;
1443 2000
1444 req->type = EIO_BUSY; 2001 req->type = EIO_BUSY;
… …
1446 2003
1447 REQ_SEND; 2004 REQ_SEND;
1448} 2005}
1449 2006
1450void 2007void
1451aio_group (SV *callback=&PL_sv_undef) 2008aio_group (SV *callback = &PL_sv_undef)
1452 PPCODE: 2009 PPCODE:
1453{ 2010{
1454 dREQ; 2011 dREQ;
1455 2012
1456 req->type = EIO_GROUP; 2013 req->type = EIO_GROUP;
1457 2014
2015 PUTBACK;
1458 req_submit (req); 2016 req_submit (req);
2017 SPAGAIN;
2018
1459 XPUSHs (req_sv (req, aio_grp_stash)); 2019 XPUSHs (req_sv (req, aio_grp_stash));
1460} 2020}
1461 2021
1462void 2022void
1463aio_nop (SV *callback=&PL_sv_undef) 2023aio_nop (SV *callback = &PL_sv_undef)
1464 ALIAS: 2024 ALIAS:
1465 aio_nop = EIO_NOP 2025 aio_nop = EIO_NOP
1466 aio_sync = EIO_SYNC 2026 aio_sync = EIO_SYNC
1467 PPCODE: 2027 PPCODE:
1468{ 2028{
… …
1472 2032
1473 REQ_SEND; 2033 REQ_SEND;
1474} 2034}
1475 2035
1476int 2036int
1477aioreq_pri (int pri = 0) 2037aioreq_pri (int pri = NO_INIT)
1478 CODE: 2038 CODE:
1479 RETVAL = next_pri; 2039 RETVAL = next_pri;
1480 if (items > 0) 2040 if (items > 0)
1481 { 2041 {
1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2042 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1564 CODE: 2124 CODE:
1565 RETVAL = posix_fadvise (fh, offset, length, advice); 2125 RETVAL = posix_fadvise (fh, offset, length, advice);
1566 OUTPUT: 2126 OUTPUT:
1567 RETVAL 2127 RETVAL
1568 2128
1569ssize_t 2129IV
1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2130sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1571 CODE: 2131 CODE:
1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2132 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573 OUTPUT: 2133 OUTPUT:
1574 RETVAL 2134 RETVAL
1575 2135
1576void 2136void
1577mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2137mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1578 PPCODE: 2138 PPCODE:
1579 sv_unmagic (scalar, MMAP_MAGIC); 2139 sv_clear_foreign (scalar);
1580{ 2140{
1581 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2141 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1582 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2142 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1583 if (addr == (void *)-1) 2143 if (addr == (void *)-1)
1584 XSRETURN_NO; 2144 XSRETURN_NO;
1585 2145
1586 sv_force_normal (scalar); 2146 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1587
1588 /* we store the length in mg_obj, as namlen is I32 :/ */
1589 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1590 ->mg_obj = (SV *)length;
1591
1592 SvUPGRADE (scalar, SVt_PV); /* nop... */
1593 2147
1594 if (!(prot & PROT_WRITE)) 2148 if (!(prot & PROT_WRITE))
1595 SvREADONLY_on (scalar); 2149 SvREADONLY_on (scalar);
1596 2150
1597 if (SvLEN (scalar))
1598 Safefree (SvPVX (scalar));
1599
1600 SvPVX (scalar) = (char *)addr;
1601 SvCUR_set (scalar, length);
1602 SvLEN_set (scalar, 0);
1603 SvPOK_only (scalar);
1604
1605 XSRETURN_YES; 2151 XSRETURN_YES;
1606} 2152}
1607 2153
1608void 2154void
1609munmap (SV *scalar) 2155munmap (SV *scalar)
1610 CODE: 2156 CODE:
1611 sv_unmagic (scalar, MMAP_MAGIC); 2157 sv_clear_foreign (scalar);
2158
2159SV *
2160mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2161 CODE:
2162{
2163 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2164 void *new;
2165
2166 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2167 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2168
2169 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2170
2171 RETVAL = &PL_sv_no;
2172
2173 if (new != (void *)-1)
2174 {
2175 RETVAL = new == (void *)mg->mg_ptr
2176 ? newSVpvn ("0 but true", 10)
2177 : &PL_sv_yes;
2178
2179 mg->mg_ptr = (char *)new;
2180 mg->mg_obj = (SV *)new_length;
2181
2182 SvPVX (scalar) = mg->mg_ptr;
2183 SvCUR_set (scalar, new_length);
2184 }
2185}
2186 OUTPUT:
2187 RETVAL
1612 2188
1613int 2189int
1614madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2190madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1615 ALIAS: 2191 ALIAS:
1616 mprotect = 1 2192 mprotect = 1
1617 CODE: 2193 CODE:
1618{ 2194{
1619 STRLEN svlen; 2195 STRLEN svlen;
1620 void *addr = SvPVbyte (scalar, svlen); 2196 void *addr = SvPVbyte (scalar, svlen);
1621 size_t len = SvUV (length); 2197 STRLEN len = SvUV (length);
1622 2198
1623 if (offset < 0) 2199 if (offset < 0)
1624 offset += svlen; 2200 offset += svlen;
1625 2201
1626 if (offset < 0 || offset > svlen) 2202 if (offset < 0 || offset > svlen)
… …
1640} 2216}
1641 OUTPUT: 2217 OUTPUT:
1642 RETVAL 2218 RETVAL
1643 2219
1644int 2220int
1645munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2221munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1646 CODE: 2222 CODE:
1647{ 2223{
1648 STRLEN svlen; 2224 STRLEN svlen;
1649 void *addr = SvPVbyte (scalar, svlen); 2225 void *addr = SvPVbyte (scalar, svlen);
1650 size_t len = SvUV (length); 2226 size_t len = SvUV (length);
1651 2227
1652 if (offset < 0) 2228 if (offset < 0)
1653 offset += svlen; 2229 offset += svlen;
1654 2230
… …
1661 addr = (void *)(((intptr_t)addr) + offset); 2237 addr = (void *)(((intptr_t)addr) + offset);
1662 eio_page_align (&addr, &len); 2238 eio_page_align (&addr, &len);
1663#if _POSIX_MEMLOCK_RANGE 2239#if _POSIX_MEMLOCK_RANGE
1664 RETVAL = munlock (addr, len); 2240 RETVAL = munlock (addr, len);
1665#else 2241#else
1666 RETVAL = ((errno = ENOSYS), -1); 2242 RETVAL = EIO_ENOSYS ();
1667#endif 2243#endif
1668} 2244}
1669 OUTPUT: 2245 OUTPUT:
1670 RETVAL 2246 RETVAL
1671 2247
… …
1673munlockall () 2249munlockall ()
1674 CODE: 2250 CODE:
1675#if _POSIX_MEMLOCK 2251#if _POSIX_MEMLOCK
1676 munlockall (); 2252 munlockall ();
1677#else 2253#else
1678 RETVAL = -1; 2254 RETVAL = EIO_ENOSYS ();
1679 errno = ENOSYS;
1680#endif 2255#endif
1681 OUTPUT: 2256 OUTPUT:
1682 RETVAL 2257 RETVAL
2258
2259int
2260splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2261 CODE:
2262{
2263#if HAVE_LINUX_SPLICE
2264 loff_t off_in_, off_out_;
2265 RETVAL = splice (
2266 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2267 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2268 length, flags
2269 );
2270#else
2271 RETVAL = EIO_ENOSYS ();
2272#endif
2273}
2274 OUTPUT:
2275 RETVAL
2276
2277int
2278tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2279 CODE:
2280#if HAVE_LINUX_SPLICE
2281 RETVAL = tee (rfh, wfh, length, flags);
2282#else
2283 RETVAL = EIO_ENOSYS ();
2284#endif
2285 OUTPUT:
2286 RETVAL
2287
2288int
2289pipesize (aio_rfd rfh, int new_size = -1)
2290 PROTOTYPE: $;$
2291 CODE:
2292#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2293 if (new_size >= 0)
2294 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2295 else
2296 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2297#else
2298 errno = ENOSYS;
2299 RETVAL = -1;
2300#endif
2301 OUTPUT:
2302 RETVAL
2303
2304void
2305pipe2 (int flags = 0)
2306 PROTOTYPE: ;$
2307 PPCODE:
2308{
2309 int fd[2];
2310 int res;
2311
2312 if (flags)
2313#if HAVE_PIPE2
2314 res = pipe2 (fd, flags);
2315#else
2316 res = (errno = ENOSYS, -1);
2317#endif
2318 else
2319 res = pipe (fd);
2320
2321 if (!res)
2322 {
2323 EXTEND (SP, 2);
2324 PUSHs (newmortalFH (fd[0], O_RDONLY));
2325 PUSHs (newmortalFH (fd[1], O_WRONLY));
2326 }
2327}
2328
2329void
2330eventfd (unsigned int initval = 0, int flags = 0)
2331 PPCODE:
2332{
2333 int fd;
2334#if HAVE_EVENTFD
2335 fd = eventfd (initval, flags);
2336#else
2337 fd = (errno = ENOSYS, -1);
2338#endif
2339
2340 XPUSHs (newmortalFH (fd, O_RDWR));
2341}
2342
2343void
2344timerfd_create (int clockid, int flags = 0)
2345 PPCODE:
2346{
2347 int fd;
2348#if HAVE_TIMERFD
2349 fd = timerfd_create (clockid, flags);
2350#else
2351 fd = (errno = ENOSYS, -1);
2352#endif
2353
2354 XPUSHs (newmortalFH (fd, O_RDWR));
2355}
2356
2357void
2358timerfd_settime (SV *fh, int flags, NV interval, NV value)
2359 PPCODE:
2360{
2361 int fd = s_fileno_croak (fh, 0);
2362#if HAVE_TIMERFD
2363 int res;
2364 struct itimerspec its, ots;
2365
2366 ts_set (&its.it_interval, interval);
2367 ts_set (&its.it_value , value);
2368 res = timerfd_settime (fd, flags, &its, &ots);
2369
2370 if (!res)
2371 {
2372 EXTEND (SP, 2);
2373 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2374 PUSHs (newSVnv (ts_get (&ots.it_value)));
2375 }
2376#else
2377 errno = ENOSYS;
2378#endif
2379}
2380
2381void
2382timerfd_gettime (SV *fh)
2383 PPCODE:
2384{
2385 int fd = s_fileno_croak (fh, 0);
2386#if HAVE_TIMERFD
2387 int res;
2388 struct itimerspec ots;
2389 res = timerfd_gettime (fd, &ots);
2390
2391 if (!res)
2392 {
2393 EXTEND (SP, 2);
2394 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2395 PUSHs (newSVnv (ts_get (&ots.it_value)));
2396 }
2397#else
2398 errno = ENOSYS;
2399#endif
2400}
2401
2402UV
2403get_fdlimit ()
2404 CODE:
2405#if HAVE_RLIMITS
2406 struct rlimit rl;
2407 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2408 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2409#endif
2410 XSRETURN_UNDEF;
2411 OUTPUT:
2412 RETVAL
2413
2414void
2415min_fdlimit (UV limit = 0x7fffffffU)
2416 CODE:
2417{
2418#if HAVE_RLIMITS
2419 struct rlimit rl;
2420 rlim_t orig_rlim_max;
2421 UV bit;
2422
2423 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2424 goto fail;
2425
2426 if (rl.rlim_cur == RLIM_INFINITY)
2427 XSRETURN_YES;
2428
2429 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2430
2431 if (rl.rlim_cur < limit)
2432 {
2433 rl.rlim_cur = limit;
2434
2435 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2436 rl.rlim_max = rl.rlim_cur;
2437 }
2438
2439 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2440 XSRETURN_YES;
2441
2442 if (errno == EPERM)
2443 {
2444 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2445 /* our limit overflows a system-wide limit */
2446 /* try an adaptive algorithm, but do not lower the hardlimit */
2447 rl.rlim_max = 0;
2448 for (bit = 0x40000000U; bit; bit >>= 1)
2449 {
2450 rl.rlim_max |= bit;
2451 rl.rlim_cur = rl.rlim_max;
2452
2453 /* nevr decrease the hard limit */
2454 if (rl.rlim_max < orig_rlim_max)
2455 break;
2456
2457 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2458 rl.rlim_max &= ~bit; /* too high, remove bit again */
2459 }
2460
2461 /* now, raise the soft limit to the max permitted */
2462 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2463 {
2464 rl.rlim_cur = rl.rlim_max;
2465 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2466 errno = EPERM;
2467 }
2468 }
2469#endif
2470 fail:
2471 XSRETURN_UNDEF;
2472}
1683 2473
1684void _on_next_submit (SV *cb) 2474void _on_next_submit (SV *cb)
1685 CODE: 2475 CODE:
1686 SvREFCNT_dec (on_next_submit); 2476 SvREFCNT_dec (on_next_submit);
1687 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2477 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1688 2478
1689PROTOTYPES: DISABLE 2479PROTOTYPES: DISABLE
1690 2480
2481MODULE = IO::AIO PACKAGE = IO::AIO::WD
2482
2483BOOT:
2484{
2485 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2486 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2487}
2488
2489void
2490DESTROY (SV *self)
2491 CODE:
2492{
2493 aio_wd wd = SvAIO_WD (self);
2494#if HAVE_AT
2495 {
2496 SV *callback = &PL_sv_undef;
2497 dREQ; /* clobbers next_pri :/ */
2498 next_pri = req->pri; /* restore next_pri */
2499 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2500 req->type = EIO_WD_CLOSE;
2501 req->wd = wd;
2502 REQ_SEND;
2503 }
2504#else
2505 eio_wd_close_sync (wd);
2506#endif
2507}
2508
1691MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2509MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1692 2510
1693void 2511void
1694cancel (aio_req_ornot req) 2512cancel (aio_req_ornot req)
1695 CODE: 2513 CODE:
1696 eio_cancel (req); 2514 eio_cancel (req);
1697 2515
1698void 2516void
1699cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2517cb (aio_req_ornot req, SV *callback = NO_INIT)
1700 PPCODE: 2518 PPCODE:
1701{ 2519{
1702 if (GIMME_V != G_VOID) 2520 if (GIMME_V != G_VOID)
1703 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2521 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1704 2522
1705 if (items > 1) 2523 if (items > 1)
1706 { 2524 {
1707 SV *cb_cv =get_cb (callback); 2525 SV *cb_cv = get_cb (callback);
1708 2526
1709 SvREFCNT_dec (req->callback); 2527 SvREFCNT_dec (req->callback);
1710 req->callback = SvREFCNT_inc (cb_cv); 2528 req->callback = SvREFCNT_inc (cb_cv);
1711 } 2529 }
1712} 2530}
… …
1769limit (aio_req grp, int limit) 2587limit (aio_req grp, int limit)
1770 CODE: 2588 CODE:
1771 eio_grp_limit (grp, limit); 2589 eio_grp_limit (grp, limit);
1772 2590
1773void 2591void
1774feed (aio_req grp, SV *callback=&PL_sv_undef) 2592feed (aio_req grp, SV *callback = &PL_sv_undef)
1775 CODE: 2593 CODE:
1776{ 2594{
1777 SvREFCNT_dec (grp->sv2); 2595 SvREFCNT_dec (grp->sv2);
1778 grp->sv2 = newSVsv (callback); 2596 grp->sv2 = newSVsv (callback);
1779 grp->feed = aio_grp_feed; 2597 grp->feed = aio_grp_feed;

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