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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.182 by root, Thu May 19 22:57:04 2011 UTC vs.
Revision 1.262 by root, Sun Aug 12 05:21:35 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 22
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 23#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 24# include <sys/mman.h>
23#endif 25#endif
24 26
27/* the incompetent fool that created musl keeps __linux__, refuses
28 * to implement any linux standard apis, and also has no way to test
29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
31 */
32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
33# include <linux/fs.h>
34# ifdef FS_IOC_FIEMAP
35# include <linux/types.h>
36# include <linux/fiemap.h>
37# define HAVE_FIEMAP 1
38# endif
39#endif
40
25/* perl namespace pollution */ 41/* perl namespace pollution */
26#undef VERSION 42#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 43
77/* perl stupidly overrides readdir and maybe others */ 44/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 45/* with thread-unsafe versions, imagine that :( */
79#undef readdir 46#undef readdir
80#undef opendir 47#undef opendir
81#undef closedir 48#undef closedir
82 49
50#ifdef _WIN32
51
52 // perl overrides all those nice libc functions
53
54 #undef malloc
55 #undef free
56 #undef open
57 #undef read
58 #undef write
59 #undef send
60 #undef recv
61 #undef stat
62 #undef lstat
63 #undef fstat
64 #undef truncate
65 #undef ftruncate
66 #undef open
67 #undef link
68 #undef close
69 #undef unlink
70 #undef mkdir
71 #undef rmdir
72 #undef rename
73 #undef lseek
74 #undef opendir
75 #undef readdir
76 #undef closedir
77 #undef chmod
78 #undef fchmod
79 #undef dup
80 #undef dup2
81 #undef abort
82 #undef pipe
83
84 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 85 #define EIO_STRUCT_STATI64
84 86
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 87#else
91# define VAL64 NV 88
92# define SvVAL64 SvNV 89 #include <sys/time.h>
93# define newSVval64 newSVnv 90 #include <sys/select.h>
91 #include <unistd.h>
92 #include <utime.h>
93 #include <signal.h>
94
95 #define EIO_STRUCT_STAT Stat_t
96
94#endif 97#endif
95 98
96/*****************************************************************************/ 99/*****************************************************************************/
97 100
98#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
106 109
107/*****************************************************************************/ 110/*****************************************************************************/
108 111
112#include "config.h"
113
114#if HAVE_ST_XTIMENSEC
115# define ATIMENSEC PL_statcache.st_atimensec
116# define MTIMENSEC PL_statcache.st_mtimensec
117# define CTIMENSEC PL_statcache.st_ctimensec
118#elif HAVE_ST_XTIMESPEC
119# define ATIMENSEC PL_statcache.st_atim.tv_nsec
120# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
121# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
122#else
123# define ATIMENSEC 0
124# define MTIMENSEC 0
125# define CTIMENSEC 0
126#endif
127
128#include "schmorp.h"
129
130#if HAVE_EVENTFD
131# include <sys/eventfd.h>
132#endif
133
134#if HAVE_TIMERFD
135# include <sys/timerfd.h>
136#endif
137
138#if HAVE_RLIMITS
139 #include <sys/time.h>
140 #include <sys/resource.h>
141#endif
142
109typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
112 146
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 147static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 148
115#define EIO_REQ_MEMBERS \ 149#define EIO_REQ_MEMBERS \
116 SV *callback; \ 150 SV *callback; \
117 SV *sv1, *sv2; \ 151 SV *sv1, *sv2; \
152 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 153 STRLEN stroffset; \
119 SV *self; 154 SV *self;
120 155
121#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
122 157
123#include "libeio/config.h"
124#include "libeio/eio.h" 158#include "libeio/eio.h"
125 159
126/* Linux/others */ 160static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 161#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 162static void req_destroy (eio_req *grp);
129#endif 163#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
136 164
137/* POSIX */ 165#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
190 166
191#if !HAVE_POSIX_FADVISE 167#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 168# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif 169#endif
194 170
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 171#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 172# 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 173#endif
283 174
284#ifndef MAP_ANONYMOUS 175#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 176# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 177# define MAP_ANONYMOUS MAP_ANON
287# else 178# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 179# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 180# endif
290#endif 181#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
306 182
307#ifndef makedev 183#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 184# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 185#endif
310#ifndef major 186#ifndef major
… …
312#endif 188#endif
313#ifndef minor 189#ifndef minor
314# define minor(dev) ((dev) & 0xff) 190# define minor(dev) ((dev) & 0xff)
315#endif 191#endif
316 192
317#ifndef PAGESIZE 193#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 194# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 195#endif
320 196
321static int req_invoke (eio_req *req); 197/*****************************************************************************/
322#define EIO_FINISH(req) req_invoke (req) 198
323static void req_destroy (eio_req *grp); 199#if !_POSIX_MAPPED_FILES
324#define EIO_DESTROY(req) req_destroy (req) 200# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
201# define munmap(addr,length) EIO_ENOSYS ()
202#endif
203
204#if !_POSIX_MEMORY_PROTECTION
205# define mprotect(addr,len,prot) EIO_ENOSYS ()
206#endif
207
208#if !MREMAP_MAYMOVE
209# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
210#endif
211
212#define FOREIGN_MAGIC PERL_MAGIC_ext
213
214static int ecb_cold
215mmap_free (pTHX_ SV *sv, MAGIC *mg)
216{
217 int old_errno = errno;
218 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
219 errno = old_errno;
220
221 mg->mg_obj = 0; /* just in case */
222
223 SvREADONLY_off (sv);
224
225 if (SvPVX (sv) != mg->mg_ptr)
226 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
227
228 SvCUR_set (sv, 0);
229 SvPVX (sv) = 0;
230 SvOK_off (sv);
231
232 return 0;
233}
234
235static MGVTBL mmap_vtbl = {
236 0, 0, 0, 0, mmap_free
237};
238
239static int ecb_cold
240sysfree_free (pTHX_ SV *sv, MAGIC *mg)
241{
242 free (mg->mg_ptr);
243 mg->mg_obj = 0; /* just in case */
244
245 SvREADONLY_off (sv);
246
247 if (SvPVX (sv) != mg->mg_ptr)
248 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
249
250 SvCUR_set (sv, 0);
251 SvPVX (sv) = 0;
252 SvOK_off (sv);
253
254 return 0;
255}
256
257static MGVTBL sysfree_vtbl = {
258 0, 0, 0, 0, sysfree_free
259};
260
261/*****************************************************************************/
262
263/* helper: set scalar to foreign ptr with custom free */
264static void
265sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
266{
267 sv_force_normal (sv);
268
269 /* we store the length in mg_obj, as namlen is I32 :/ */
270 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
271 ->mg_obj = (SV *)length;
272
273 SvUPGRADE (sv, SVt_PV); /* nop... */
274
275 if (SvLEN (sv))
276 Safefree (SvPVX (sv));
277
278 SvPVX (sv) = (char *)addr;
279 SvCUR_set (sv, length);
280 SvLEN_set (sv, 0);
281 SvPOK_only (sv);
282}
283
284static void
285sv_clear_foreign (SV *sv)
286{
287 /* todo: iterate over magic and only free ours, but of course */
288 /* the perl5porters will call that (correct) behaviour buggy */
289 sv_unmagic (sv, FOREIGN_MAGIC);
290}
291
292/*****************************************************************************/
293
294/* defines all sorts of constants to 0 unless they are already defined */
295/* also provides const_iv_ and const_niv_ macros for them */
296#include "def0.h"
297
298/*****************************************************************************/
299
300static void
301fiemap (eio_req *req)
302{
303 req->result = -1;
304
305#if HAVE_FIEMAP
306 /* assume some c99 */
307 struct fiemap *fiemap = 0;
308 size_t end_offset;
309 int count = req->int3;
310
311 req->flags |= EIO_FLAG_PTR1_FREE;
312
313 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
314 /* increase in 3.5kb steps */
315 if (count < 0)
316 count = 8;
317
318 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
319 errno = ENOMEM;
320 if (!fiemap)
321 return;
322
323 req->ptr1 = fiemap;
324
325 fiemap->fm_start = req->offs;
326 fiemap->fm_length = req->size;
327 fiemap->fm_flags = req->int2;
328 fiemap->fm_extent_count = count;
329
330 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
331 return;
332
333 if (req->int3 >= 0 /* not autosizing */
334 || !fiemap->fm_mapped_extents /* no more extents */
335 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
336 goto done;
337
338 /* else we have to loop -
339 * it would be tempting (actually I tried that first) to just query the
340 * number of extents needed, but linux often feels like not returning all
341 * extents, without telling us it left any out. this complicates
342 * this quite a bit.
343 */
344
345 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
346
347 for (;;)
348 {
349 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
350 char scratch[3072];
351 struct fiemap *incmap = (struct fiemap *)scratch;
352
353 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
354 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
355 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
356 incmap->fm_flags = fiemap->fm_flags;
357 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
360 return;
361
362 if (!incmap->fm_mapped_extents)
363 goto done;
364
365 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
366 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
367 errno = ENOMEM;
368 if (!fiemap)
369 return;
370
371 req->ptr1 = fiemap;
372
373 for (count = 0; count < incmap->fm_mapped_extents; ++count)
374 {
375 struct fiemap_extent *e = incmap->fm_extents + count;
376
377 if (e->fe_logical + e->fe_length >= end_offset)
378 goto done;
379
380 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
381
382 if (e->fe_flags & FIEMAP_EXTENT_LAST)
383 goto done;
384
385 }
386 }
387
388done:
389 req->result = 0;
390
391#else
392 errno = ENOSYS;
393#endif
394}
395
396/*****************************************************************************/
325 397
326enum { 398enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 399 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 400};
329 401
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 402typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 403typedef eio_req *aio_req_ornot;
404typedef eio_wd aio_wd;
334 405
335static SV *on_next_submit; 406static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 407static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 408static int max_outstanding;
338 409
339static s_epipe respipe; 410static s_epipe respipe;
340 411
341static void req_destroy (aio_req req); 412static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 413static void req_cancel (aio_req req);
343 414
344static void want_poll (void) 415static void
416want_poll (void)
345{ 417{
346 /* write a dummy byte to the pipe so fh becomes ready */ 418 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 419 s_epipe_signal (&respipe);
348} 420}
349 421
350static void done_poll (void) 422static void
423done_poll (void)
351{ 424{
352 /* read any signals sent by the worker threads */ 425 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 426 s_epipe_drain (&respipe);
354} 427}
355 428
356/* must be called at most once */ 429/* must be called at most once */
430static SV *
357static SV *req_sv (aio_req req, HV *stash) 431req_sv (aio_req req, HV *stash)
358{ 432{
359 if (!req->self) 433 if (!req->self)
360 { 434 {
361 req->self = (SV *)newHV (); 435 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 436 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 437 }
364 438
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 439 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 440}
367 441
368static aio_req SvAIO_REQ (SV *sv) 442static SV *
443newSVaio_wd (aio_wd wd)
444{
445 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
446}
447
448static aio_req
449SvAIO_REQ (SV *sv)
369{ 450{
370 MAGIC *mg; 451 MAGIC *mg;
371 452
372 if (!SvROK (sv) 453 if (!SvROK (sv)
454 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 455 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 456 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 457 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 458 croak ("object of class IO::AIO::REQ expected");
377 459
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 460 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 461
380 return mg ? (aio_req)mg->mg_ptr : 0; 462 return mg ? (aio_req)mg->mg_ptr : 0;
381} 463}
382 464
465static aio_wd
466SvAIO_WD (SV *sv)
467{
468 if (!SvROK (sv)
469 || SvTYPE (SvRV (sv)) != SVt_PVMG
470 || SvSTASH (SvRV (sv)) != aio_wd_stash)
471 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
472
473 return (aio_wd)(long)SvIVX (SvRV (sv));
474}
475
476static SV *
477newmortalFH (int fd, int flags)
478{
479 if (fd < 0)
480 return &PL_sv_undef;
481
482 GV *gv = (GV *)sv_newmortal ();
483 char sym[64];
484 int symlen;
485
486 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
487 gv_init (gv, aio_stash, sym, symlen, 0);
488
489 symlen = snprintf (
490 sym,
491 sizeof (sym),
492 "%s&=%d",
493 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494 fd
495 );
496
497 return do_open (gv, sym, symlen, 0, 0, 0, 0)
498 ? (SV *)gv : &PL_sv_undef;
499}
500
501static void
383static void aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
384{ 503{
385 if (grp->sv2 && SvOK (grp->sv2)) 504 if (grp->sv2 && SvOK (grp->sv2))
386 { 505 {
387 dSP; 506 dSP;
388 507
… …
396 FREETMPS; 515 FREETMPS;
397 LEAVE; 516 LEAVE;
398 } 517 }
399} 518}
400 519
520static void
401static void req_submit (eio_req *req) 521req_submit (eio_req *req)
402{ 522{
403 eio_submit (req); 523 eio_submit (req);
404 524
405 if (expect_false (on_next_submit)) 525 if (expect_false (on_next_submit))
406 { 526 {
… …
413 PUTBACK; 533 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 534 call_sv (cb, G_DISCARD | G_EVAL);
415 } 535 }
416} 536}
417 537
538static int
418static int req_invoke (eio_req *req) 539req_invoke (eio_req *req)
419{ 540{
420 if (req->flags & FLAG_SV2_RO_OFF) 541 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 542 SvREADONLY_off (req->sv2);
422 543
423 if (!EIO_CANCELLED (req) && req->callback) 544 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 565 SvREADONLY_on (sv_result);
445 } 566 }
446 567
447 switch (req->type) 568 switch (req->type)
448 { 569 {
570 case EIO_WD_OPEN:
571 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
572 break;
573
449 case EIO_READDIR: 574 case EIO_READDIR:
450 { 575 {
451 SV *rv = &PL_sv_undef; 576 SV *rv = &PL_sv_undef;
452 577
453 if (req->result >= 0) 578 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 631 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 632 }
508 break; 633 break;
509 634
510 case EIO_OPEN: 635 case EIO_OPEN:
511 { 636 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; 637 break;
540 638
541 case EIO_STATVFS: 639 case EIO_STATVFS:
542 case EIO_FSTATVFS: 640 case EIO_FSTATVFS:
543 { 641 {
544 SV *rv = &PL_sv_undef; 642 SV *rv = &PL_sv_undef;
545 643
644#ifndef _WIN32
546 if (req->result >= 0) 645 if (req->result >= 0)
547 { 646 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 647 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 648 HV *hv = newHV ();
649 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
650 * chooses to make it a struct.
651 */
652 unsigned long fsid = 0;
653 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 654
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 655 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 656
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 657 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 658 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 660 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 661 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 662 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 663 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 664 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 665 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 666 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 667 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 668 }
669#endif
565 670
566 PUSHs (rv); 671 PUSHs (rv);
567 } 672 }
568 673
569 break; 674 break;
… …
585 case EIO_NOP: 690 case EIO_NOP:
586 case EIO_BUSY: 691 case EIO_BUSY:
587 break; 692 break;
588 693
589 case EIO_READLINK: 694 case EIO_READLINK:
695 case EIO_REALPATH:
590 if (req->result > 0) 696 if (req->result > 0)
591 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 697 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
592 break; 698 break;
593 699
594 case EIO_STAT: 700 case EIO_STAT:
595 case EIO_LSTAT: 701 case EIO_LSTAT:
596 case EIO_FSTAT: 702 case EIO_FSTAT:
597 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 703 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
704
598 PL_laststatval = req->result; 705 if (!(PL_laststatval = req->result))
706 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
599 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 707 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
708
600 PUSHs (sv_result); 709 PUSHs (sv_result);
710 break;
711
712 case EIO_SEEK:
713 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
601 break; 714 break;
602 715
603 case EIO_READ: 716 case EIO_READ:
604 { 717 {
605 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 718 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
608 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
609 PUSHs (sv_result); 722 PUSHs (sv_result);
610 } 723 }
611 break; 724 break;
612 725
726 case EIO_SLURP:
727 {
728 if (req->result >= 0)
729 {
730 /* if length was originally not known, we steal the malloc'ed memory */
731 if (req->flags & EIO_FLAG_PTR2_FREE)
732 {
733 req->flags &= ~EIO_FLAG_PTR2_FREE;
734 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
735 }
736 else
737 {
738 SvCUR_set (req->sv2, req->result);
739 *SvEND (req->sv2) = 0;
740 SvPOK_only (req->sv2);
741 }
742
743 SvSETMAGIC (req->sv2);
744 }
745
746 PUSHs (sv_result);
747 }
748 break;
749
750 case EIO_CUSTOM:
751 if (req->feed == fiemap)
752 {
753#if HAVE_FIEMAP
754 if (!req->result)
755 {
756 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
757
758 if (fiemap->fm_extent_count)
759 {
760 AV *av = newAV ();
761 int i;
762
763 while (fiemap->fm_mapped_extents)
764 {
765 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
766 AV *ext_av = newAV ();
767
768 av_store (ext_av, 3, newSVuv (extent->fe_flags));
769 av_store (ext_av, 2, newSVval64 (extent->fe_length));
770 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
771 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
772
773 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
774 }
775
776 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
777 }
778 else
779 {
780 SvIV_set (sv_result, fiemap->fm_mapped_extents);
781 PUSHs (sv_result);
782 }
783 }
784#endif
785 }
786 else
787 PUSHs (sv_result);
788 break;
789
613 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 790 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
614 if (req->result > 0) 791 if (req->result > 0)
615 SvIV_set (sv_result, 0); 792 SvIV_set (sv_result, 0);
616 /* FALLTHROUGH */ 793 /* FALLTHROUGH */
617 794
… …
638 } 815 }
639 816
640 return !!SvTRUE (ERRSV); 817 return !!SvTRUE (ERRSV);
641} 818}
642 819
820static void
643static void req_destroy (aio_req req) 821req_destroy (aio_req req)
644{ 822{
645 if (req->self) 823 if (req->self)
646 { 824 {
647 sv_unmagic (req->self, PERL_MAGIC_ext); 825 sv_unmagic (req->self, PERL_MAGIC_ext);
648 SvREFCNT_dec (req->self); 826 SvREFCNT_dec (req->self);
649 } 827 }
650 828
651 SvREFCNT_dec (req->sv1); 829 SvREFCNT_dec (req->sv1);
652 SvREFCNT_dec (req->sv2); 830 SvREFCNT_dec (req->sv2);
831 SvREFCNT_dec (req->sv3);
832 SvREFCNT_dec (req->sv4);
653 SvREFCNT_dec (req->callback); 833 SvREFCNT_dec (req->callback);
654 834
655 Safefree (req); 835 free (req);
656} 836}
657 837
838static void
658static void req_cancel_subs (aio_req grp) 839req_cancel_subs (aio_req grp)
659{ 840{
660 aio_req sub;
661
662 if (grp->type != EIO_GROUP) 841 if (grp->type != EIO_GROUP)
663 return; 842 return;
664 843
665 SvREFCNT_dec (grp->sv2); 844 SvREFCNT_dec (grp->sv2);
666 grp->sv2 = 0; 845 grp->sv2 = 0;
667 846
668 eio_grp_cancel (grp); 847 eio_grp_cancel (grp);
669} 848}
670 849
671static void 850static void ecb_cold
672create_respipe (void) 851create_respipe (void)
673{ 852{
674 if (s_epipe_renew (&respipe)) 853 if (s_epipe_renew (&respipe))
675 croak ("IO::AIO: unable to initialize result pipe"); 854 croak ("IO::AIO: unable to initialize result pipe");
676} 855}
677 856
678static void poll_wait (void) 857static void
858poll_wait (void)
679{ 859{
680 while (eio_nreqs ()) 860 while (eio_nreqs ())
681 { 861 {
682 int size; 862 int size;
683 863
684 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
685 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
686 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
687 867
688 if (size) 868 if (size)
689 return; 869 return;
690 870
691 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
692 872
693 s_epipe_wait (&respipe); 873 s_epipe_wait (&respipe);
694 } 874 }
695} 875}
696 876
697static int poll_cb (void) 877static int
878poll_cb (void)
698{ 879{
699 for (;;) 880 for (;;)
700 { 881 {
701 int res = eio_poll (); 882 int res = eio_poll ();
702 883
… …
708 889
709 poll_wait (); 890 poll_wait ();
710 } 891 }
711} 892}
712 893
713static void atfork_child (void) 894static void ecb_cold
895reinit (void)
714{ 896{
715 create_respipe (); 897 create_respipe ();
716}
717 898
718/*****************************************************************************/ 899 if (eio_init (want_poll, done_poll) < 0)
719 900 croak ("IO::AIO: unable to initialise eio library");
720#if !_POSIX_MAPPED_FILES
721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
722# define munmap(addr,length) (errno = ENOSYS, -1)
723#endif
724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
734#define MMAP_MAGIC PERL_MAGIC_ext
735
736static int
737mmap_free (pTHX_ SV *sv, MAGIC *mg)
738{
739 int old_errno = errno;
740 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741 errno = old_errno;
742
743 mg->mg_obj = 0; /* just in case */
744
745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
750 SvCUR_set (sv, 0);
751 SvPVX (sv) = 0;
752 SvOK_off (sv);
753
754 return 0;
755} 901}
756
757static MGVTBL mmap_vtbl = {
758 0, 0, 0, 0, mmap_free
759};
760 902
761/*****************************************************************************/ 903/*****************************************************************************/
762 904
763static SV * 905static SV *
764get_cb (SV *cb_sv) 906get_cb (SV *cb_sv)
765{ 907{
766 SvGETMAGIC (cb_sv); 908 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 909 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 910}
769 911
912static aio_req ecb_noinline
913dreq (SV *callback)
914{
915 SV *cb_cv;
916 aio_req req;
917 int req_pri = next_pri;
918 next_pri = EIO_PRI_DEFAULT;
919
920 cb_cv = get_cb (callback);
921
922 req = calloc (sizeof (*req), 1);
923 if (!req)
924 croak ("out of memory during eio_req allocation");
925
926 req->callback = SvREFCNT_inc (cb_cv);
927 req->pri = req_pri;
928
929 return req;
930}
931
770#define dREQ \ 932#define dREQ \
771 SV *cb_cv; \ 933 aio_req req = dreq (callback); \
772 aio_req req; \
773 int req_pri = next_pri; \
774 next_pri = EIO_PRI_DEFAULT; \
775 \
776 cb_cv = get_cb (callback); \
777 \
778 Newz (0, req, 1, eio_req); \
779 if (!req) \
780 croak ("out of memory during eio_req allocation"); \
781 \
782 req->callback = SvREFCNT_inc (cb_cv); \
783 req->pri = req_pri
784 934
785#define REQ_SEND \ 935#define REQ_SEND \
786 PUTBACK; \ 936 PUTBACK; \
787 req_submit (req); \ 937 req_submit (req); \
788 SPAGAIN; \ 938 SPAGAIN; \
789 \ 939 \
790 if (GIMME_V != G_VOID) \ 940 if (GIMME_V != G_VOID) \
791 XPUSHs (req_sv (req, aio_req_stash)); 941 XPUSHs (req_sv (req, aio_req_stash));
792 942
943ecb_inline void
944req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
945{
946 if (expect_false (SvROK (path)))
947 {
948 SV *rv = SvRV (path);
949 SV *wdob;
950
951 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
952 {
953 path = AvARRAY (rv)[1];
954 wdob = AvARRAY (rv)[0];
955
956 if (SvOK (wdob))
957 {
958 *wd = SvAIO_WD (wdob);
959 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
960 }
961 else
962 *wd = EIO_INVALID_WD;
963 }
964 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
965 {
966 *wd = (aio_wd)(long)SvIVX (rv);
967 *wdsv = SvREFCNT_inc_NN (rv);
968 *ptr = ".";
969 return; /* path set to "." */
970 }
971 else
972 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
973 }
974
975 *pathsv = newSVsv (path);
976 *ptr = SvPVbyte_nolen (*pathsv);
977}
978
979static void ecb_noinline
980req_set_path1 (aio_req req, SV *path)
981{
982 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
983}
984
985static void ecb_noinline
986req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
987{
988 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
989
990 switch (SvTYPE (rv))
991 {
992 case SVt_PVIO:
993 case SVt_PVLV:
994 case SVt_PVGV:
995 req->type = type_fh;
996 req->sv1 = newSVsv (fh_or_path);
997 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
998 break;
999
1000 default:
1001 req->type = type_path;
1002 req_set_path1 (req, fh_or_path);
1003 break;
1004 }
1005}
1006
1007/*****************************************************************************/
1008
1009static void
1010ts_set (struct timespec *ts, NV value)
1011{
1012 ts->tv_sec = value;
1013 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1014}
1015
1016static NV
1017ts_get (const struct timespec *ts)
1018{
1019 return ts->tv_sec + ts->tv_nsec * 1e-9;
1020}
1021
1022/*****************************************************************************/
1023
1024XS(boot_IO__AIO) ecb_cold;
1025
793MODULE = IO::AIO PACKAGE = IO::AIO 1026MODULE = IO::AIO PACKAGE = IO::AIO
794 1027
795PROTOTYPES: ENABLE 1028PROTOTYPES: ENABLE
796 1029
797BOOT: 1030BOOT:
… …
801 IV iv; 1034 IV iv;
802 } *civ, const_iv[] = { 1035 } *civ, const_iv[] = {
803# define const_niv(name, value) { # name, (IV) value }, 1036# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name }, 1037# define const_iv(name) { # name, (IV) name },
805# define const_eio(name) { # name, (IV) EIO_ ## name }, 1038# define const_eio(name) { # name, (IV) EIO_ ## name },
1039
1040 /* you have to re-run ./gendef0 after adding/removing any constants here */
1041 /* the first block can be undef if missing */
1042 const_iv (ENOSYS)
806 const_iv (EXDEV) 1043 const_iv (EXDEV)
807 const_iv (ENOSYS) 1044 const_iv (EBADR)
1045
1046 /* for lseek */
1047 const_iv (SEEK_DATA)
1048 const_iv (SEEK_HOLE)
1049
1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1055 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1056
1057 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1058 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1059 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1060 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1061 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1062
1063 /* the second block will be 0 when missing */
1064 const_iv (O_ACCMODE)
1065
808 const_iv (O_RDONLY) 1066 const_iv (O_RDONLY)
809 const_iv (O_WRONLY) 1067 const_iv (O_WRONLY)
810 const_iv (O_RDWR) 1068 const_iv (O_RDWR)
811 const_iv (O_CREAT) 1069 const_iv (O_CREAT)
812 const_iv (O_TRUNC) 1070 const_iv (O_TRUNC)
… …
825 const_iv (O_SEARCH) 1083 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY) 1084 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC) 1085 const_iv (O_DSYNC)
828 const_iv (O_RSYNC) 1086 const_iv (O_RSYNC)
829 const_iv (O_SYNC) 1087 const_iv (O_SYNC)
1088 const_iv (O_PATH)
1089 const_iv (O_TMPFILE)
830 const_iv (O_TTY_INIT) 1090 const_iv (O_TTY_INIT)
831 1091
832 const_iv (S_IFIFO) 1092 const_iv (S_IFIFO)
833 const_iv (S_IFCHR) 1093 const_iv (S_IFCHR)
834 const_iv (S_IFBLK) 1094 const_iv (S_IFBLK)
… …
836 const_iv (S_IFREG) 1096 const_iv (S_IFREG)
837 const_iv (S_IFDIR) 1097 const_iv (S_IFDIR)
838 const_iv (S_IFWHT) 1098 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK) 1099 const_iv (S_IFSOCK)
840 const_iv (S_IFMT) 1100 const_iv (S_IFMT)
841
842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854 1101
855 const_iv (ST_RDONLY) 1102 const_iv (ST_RDONLY)
856 const_iv (ST_NOSUID) 1103 const_iv (ST_NOSUID)
857 const_iv (ST_NODEV) 1104 const_iv (ST_NODEV)
858 const_iv (ST_NOEXEC) 1105 const_iv (ST_NOEXEC)
… …
868 const_iv (PROT_NONE) 1115 const_iv (PROT_NONE)
869 const_iv (PROT_EXEC) 1116 const_iv (PROT_EXEC)
870 const_iv (PROT_READ) 1117 const_iv (PROT_READ)
871 const_iv (PROT_WRITE) 1118 const_iv (PROT_WRITE)
872 1119
873 /*const_iv (MAP_FIXED)*/
874 const_iv (MAP_PRIVATE) 1120 const_iv (MAP_PRIVATE)
875 const_iv (MAP_SHARED) 1121 const_iv (MAP_SHARED)
1122 const_iv (MAP_FIXED)
876 const_iv (MAP_ANONYMOUS) 1123 const_iv (MAP_ANONYMOUS)
877 1124
878 /* linuxish */ 1125 /* linuxish */
879 const_iv (MAP_HUGETLB)
880 const_iv (MAP_LOCKED) 1126 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE) 1127 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE) 1128 const_iv (MAP_POPULATE)
883 const_iv (MAP_NONBLOCK) 1129 const_iv (MAP_NONBLOCK)
1130 const_iv (MAP_GROWSDOWN)
1131 const_iv (MAP_32BIT)
1132 const_iv (MAP_HUGETLB)
1133 const_iv (MAP_STACK)
1134
1135 const_iv (MREMAP_MAYMOVE)
1136 const_iv (MREMAP_FIXED)
1137
1138 const_iv (F_DUPFD_CLOEXEC)
1139
1140 const_iv (MSG_CMSG_CLOEXEC)
1141 const_iv (SOCK_CLOEXEC)
1142
1143 const_iv (F_OFD_GETLK)
1144 const_iv (F_OFD_SETLK)
1145 const_iv (F_OFD_GETLKW)
1146
1147 const_iv (FIFREEZE)
1148 const_iv (FITHAW)
1149 const_iv (FITRIM)
1150 const_iv (FICLONE)
1151 const_iv (FICLONERANGE)
1152 const_iv (FIDEDUPERANGE)
1153
1154 const_iv (FS_IOC_GETFLAGS)
1155 const_iv (FS_IOC_SETFLAGS)
1156 const_iv (FS_IOC_GETVERSION)
1157 const_iv (FS_IOC_SETVERSION)
1158 const_iv (FS_IOC_FIEMAP)
1159 const_iv (FS_IOC_FSGETXATTR)
1160 const_iv (FS_IOC_FSSETXATTR)
1161 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1162 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1163 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1164
1165 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1166
1167 const_iv (FS_SECRM_FL)
1168 const_iv (FS_UNRM_FL)
1169 const_iv (FS_COMPR_FL)
1170 const_iv (FS_SYNC_FL)
1171 const_iv (FS_IMMUTABLE_FL)
1172 const_iv (FS_APPEND_FL)
1173 const_iv (FS_NODUMP_FL)
1174 const_iv (FS_NOATIME_FL)
1175 const_iv (FS_DIRTY_FL)
1176 const_iv (FS_COMPRBLK_FL)
1177 const_iv (FS_NOCOMP_FL)
1178 const_iv (FS_ENCRYPT_FL)
1179 const_iv (FS_BTREE_FL)
1180 const_iv (FS_INDEX_FL)
1181 const_iv (FS_JOURNAL_DATA_FL)
1182 const_iv (FS_NOTAIL_FL)
1183 const_iv (FS_DIRSYNC_FL)
1184 const_iv (FS_TOPDIR_FL)
1185 const_iv (FS_FL_USER_MODIFIABLE)
1186
1187 const_iv (FS_XFLAG_REALTIME)
1188 const_iv (FS_XFLAG_PREALLOC)
1189 const_iv (FS_XFLAG_IMMUTABLE)
1190 const_iv (FS_XFLAG_APPEND)
1191 const_iv (FS_XFLAG_SYNC)
1192 const_iv (FS_XFLAG_NOATIME)
1193 const_iv (FS_XFLAG_NODUMP)
1194 const_iv (FS_XFLAG_RTINHERIT)
1195 const_iv (FS_XFLAG_PROJINHERIT)
1196 const_iv (FS_XFLAG_NOSYMLINKS)
1197 const_iv (FS_XFLAG_EXTSIZE)
1198 const_iv (FS_XFLAG_EXTSZINHERIT)
1199 const_iv (FS_XFLAG_NODEFRAG)
1200 const_iv (FS_XFLAG_FILESTREAM)
1201 const_iv (FS_XFLAG_DAX)
1202 const_iv (FS_XFLAG_HASATTR)
1203
1204 const_iv (FIEMAP_FLAG_SYNC)
1205 const_iv (FIEMAP_FLAG_XATTR)
1206 const_iv (FIEMAP_FLAGS_COMPAT)
1207 const_iv (FIEMAP_EXTENT_LAST)
1208 const_iv (FIEMAP_EXTENT_UNKNOWN)
1209 const_iv (FIEMAP_EXTENT_DELALLOC)
1210 const_iv (FIEMAP_EXTENT_ENCODED)
1211 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1212 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1213 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1214 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1215 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1216 const_iv (FIEMAP_EXTENT_MERGED)
1217 const_iv (FIEMAP_EXTENT_SHARED)
1218
1219 const_iv (SPLICE_F_MOVE)
1220 const_iv (SPLICE_F_NONBLOCK)
1221 const_iv (SPLICE_F_MORE)
1222 const_iv (SPLICE_F_GIFT)
1223
1224 const_iv (EFD_CLOEXEC)
1225 const_iv (EFD_NONBLOCK)
1226 const_iv (EFD_SEMAPHORE)
1227
1228 const_iv (CLOCK_REALTIME)
1229 const_iv (CLOCK_MONOTONIC)
1230 const_iv (CLOCK_BOOTTIME)
1231 const_iv (CLOCK_REALTIME_ALARM)
1232 const_iv (CLOCK_BOOTTIME_ALARM)
1233
1234 const_iv (TFD_NONBLOCK)
1235 const_iv (TFD_CLOEXEC)
1236
1237 const_iv (TFD_TIMER_ABSTIME)
1238 const_iv (TFD_TIMER_CANCEL_ON_SET)
1239
1240 /* these are libeio constants, and are independent of gendef0 */
1241 const_eio (SEEK_SET)
1242 const_eio (SEEK_CUR)
1243 const_eio (SEEK_END)
884 1244
885 const_eio (MCL_FUTURE) 1245 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT) 1246 const_eio (MCL_CURRENT)
887 1247
888 const_eio (MS_ASYNC) 1248 const_eio (MS_ASYNC)
… …
892 const_eio (MT_MODIFY) 1252 const_eio (MT_MODIFY)
893 1253
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1254 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 1255 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1256 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1257
1258 const_eio (FALLOC_FL_KEEP_SIZE)
1259 const_eio (FALLOC_FL_PUNCH_HOLE)
1260 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1261 const_eio (FALLOC_FL_ZERO_RANGE)
1262 const_eio (FALLOC_FL_INSERT_RANGE)
1263 const_eio (FALLOC_FL_UNSHARE_RANGE)
1264
1265 const_eio (RENAME_NOREPLACE)
1266 const_eio (RENAME_EXCHANGE)
1267 const_eio (RENAME_WHITEOUT)
897 1268
898 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
899 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
900 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
901 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
… …
912 }; 1283 };
913 1284
914 aio_stash = gv_stashpv ("IO::AIO" , 1); 1285 aio_stash = gv_stashpv ("IO::AIO" , 1);
915 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1286 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1287 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1288 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
917 1289
918 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1290 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1291 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920 1292
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1293 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922 1294
923 create_respipe (); 1295 reinit ();
924
925 if (eio_init (want_poll, done_poll) < 0)
926 croak ("IO::AIO: unable to initialise eio library");
927
928 /* atfork child called in fifo order, so before eio's handler */
929 X_THREAD_ATFORK (0, 0, atfork_child);
930} 1296}
1297
1298void
1299reinit ()
1300 PROTOTYPE:
931 1301
932void 1302void
933max_poll_reqs (unsigned int nreqs) 1303max_poll_reqs (unsigned int nreqs)
934 PROTOTYPE: $ 1304 PROTOTYPE: $
935 CODE: 1305 CODE:
… …
970 PROTOTYPE: $ 1340 PROTOTYPE: $
971 CODE: 1341 CODE:
972 max_outstanding = maxreqs; 1342 max_outstanding = maxreqs;
973 1343
974void 1344void
975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1345aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976 PPCODE: 1346 PPCODE:
977{ 1347{
978 dREQ; 1348 dREQ;
979 1349
1350 req->type = EIO_WD_OPEN;
1351 req_set_path1 (req, pathname);
1352
1353 REQ_SEND;
1354}
1355
1356void
1357aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1358 PPCODE:
1359{
1360 dREQ;
1361
980 req->type = EIO_OPEN; 1362 req->type = EIO_OPEN;
981 req->sv1 = newSVsv (pathname); 1363 req_set_path1 (req, pathname);
982 req->ptr1 = SvPVbyte_nolen (req->sv1);
983 req->int1 = flags; 1364 req->int1 = flags;
984 req->int2 = mode; 1365 req->int2 = mode;
985 1366
986 REQ_SEND; 1367 REQ_SEND;
987} 1368}
988 1369
989void 1370void
990aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1371aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991 ALIAS: 1372 ALIAS:
992 aio_fsync = EIO_FSYNC 1373 aio_fsync = EIO_FSYNC
993 aio_fdatasync = EIO_FDATASYNC 1374 aio_fdatasync = EIO_FDATASYNC
1375 aio_syncfs = EIO_SYNCFS
994 PPCODE: 1376 PPCODE:
995{ 1377{
996 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
997 dREQ; 1379 dREQ;
998 1380
999 req->type = ix; 1381 req->type = ix;
1000 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
1001 req->int1 = fd; 1383 req->int1 = fd;
1002 1384
1003 REQ_SEND (req); 1385 REQ_SEND;
1004} 1386}
1005 1387
1006void 1388void
1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1389aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1008 PPCODE: 1390 PPCODE:
1009{ 1391{
1010 int fd = s_fileno_croak (fh, 0); 1392 int fd = s_fileno_croak (fh, 0);
1011 dREQ; 1393 dREQ;
1012 1394
1013 req->type = EIO_SYNC_FILE_RANGE; 1395 req->type = EIO_SYNC_FILE_RANGE;
1014 req->sv1 = newSVsv (fh); 1396 req->sv1 = newSVsv (fh);
1015 req->int1 = fd; 1397 req->int1 = fd;
1016 req->offs = offset; 1398 req->offs = offset;
1017 req->size = nbytes; 1399 req->size = nbytes;
1018 req->int2 = flags; 1400 req->int2 = flags;
1019 1401
1020 REQ_SEND (req); 1402 REQ_SEND;
1021} 1403}
1022 1404
1023void 1405void
1024aio_close (SV *fh, SV *callback=&PL_sv_undef) 1406aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025 PPCODE: 1407 PPCODE:
1026{ 1408{
1027 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1028 int fd = s_fileno_croak (fh, 0); 1409 int fd = s_fileno_croak (fh, 0);
1029 dREQ; 1410 dREQ;
1030 1411
1031 if (close_pipe < 0) 1412 req->type = EIO_FALLOCATE;
1413 req->sv1 = newSVsv (fh);
1414 req->int1 = fd;
1415 req->int2 = mode;
1416 req->offs = offset;
1417 req->size = len;
1418
1419 REQ_SEND;
1420}
1421
1422void
1423aio_close (SV *fh, SV *callback = &PL_sv_undef)
1424 PPCODE:
1425{
1426 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1427 int fd = s_fileno_croak (fh, 0);
1428 dREQ;
1429
1430 if (expect_false (close_fd < 0))
1032 { 1431 {
1033 int pipefd [2]; 1432 int pipefd [2];
1034 1433
1434 if (
1435#ifdef _WIN32
1436 _pipe (pipefd, 1, _O_BINARY) < 0
1437#else
1035 if (pipe (pipefd) < 0 1438 pipe (pipefd) < 0
1036 || close (pipefd [1]) < 0
1037 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1439 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1440#endif
1441 || close (pipefd [1]) < 0
1442 )
1038 abort (); /*D*/ 1443 abort (); /*D*/
1039 1444
1040 close_pipe = pipefd [0]; 1445 close_fd = pipefd [0];
1041 } 1446 }
1042 1447
1043 req->type = EIO_DUP2; 1448 req->type = EIO_DUP2;
1044 req->int1 = close_pipe; 1449 req->int1 = close_fd;
1045 req->sv2 = newSVsv (fh); 1450 req->sv2 = newSVsv (fh);
1046 req->int2 = fd; 1451 req->int2 = fd;
1047 1452
1048 REQ_SEND (req); 1453 REQ_SEND;
1049} 1454}
1050 1455
1051void 1456void
1457aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1458 PPCODE:
1459{
1460 int fd = s_fileno_croak (fh, 0);
1461 dREQ;
1462
1463 req->type = EIO_SEEK;
1464 req->sv1 = newSVsv (fh);
1465 req->int1 = fd;
1466 req->offs = SvVAL64 (offset);
1467 req->int2 = whence;
1468
1469 REQ_SEND;
1470}
1471
1472void
1052aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1473aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1053 ALIAS: 1474 ALIAS:
1054 aio_read = EIO_READ 1475 aio_read = EIO_READ
1055 aio_write = EIO_WRITE 1476 aio_write = EIO_WRITE
1056 PPCODE: 1477 PPCODE:
1057{ 1478{
… …
1073 len = svlen - dataoffset; 1494 len = svlen - dataoffset;
1074 } 1495 }
1075 else 1496 else
1076 { 1497 {
1077 /* read: check type and grow scalar as necessary */ 1498 /* read: check type and grow scalar as necessary */
1078 SvUPGRADE (data, SVt_PV); 1499 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1079 svptr = SvGROW (data, len + dataoffset + 1); 1500 svptr = sv_grow (data, len + dataoffset + 1);
1501 else if (SvCUR (data) < len + dataoffset)
1502 croak ("length + dataoffset outside of scalar, and cannot grow");
1080 } 1503 }
1081 1504
1082 { 1505 {
1083 dREQ; 1506 dREQ;
1084 1507
… …
1100 REQ_SEND; 1523 REQ_SEND;
1101 } 1524 }
1102} 1525}
1103 1526
1104void 1527void
1105aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
1106 PPCODE: 1532 PPCODE:
1107{ 1533{
1108 SV *data; 1534 int fd = s_fileno_croak (fh, 0);
1535 char *svptr;
1536
1537 if (SvPOK (arg) || !SvNIOK (arg))
1538 {
1539 STRLEN svlen;
1540 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1541#ifdef IOCPARM_LEN
1542 STRLEN need = IOCPARM_LEN (request);
1543#else
1544 STRLEN need = 256;
1545#endif
1546
1547 if (svlen < need)
1548 svptr = SvGROW (arg, need);
1549 }
1550 else
1551 svptr = (char *)SvIV (arg);
1552
1553 {
1554 dREQ;
1555
1556 req->type = ix;
1557 req->sv1 = newSVsv (fh);
1558 req->int1 = fd;
1559 req->int2 = (long)request;
1560 req->sv2 = SvREFCNT_inc (arg);
1561 req->ptr2 = svptr;
1562
1563 REQ_SEND;
1564 }
1565}
1566
1567void
1568aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1569 ALIAS:
1570 aio_readlink = EIO_READLINK
1571 aio_realpath = EIO_REALPATH
1572 PPCODE:
1573{
1109 dREQ; 1574 dREQ;
1110 1575
1111 req->type = EIO_READLINK; 1576 req->type = ix;
1112 req->sv1 = newSVsv (path); 1577 req_set_path1 (req, pathname);
1113 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 1578
1115 REQ_SEND; 1579 REQ_SEND;
1116} 1580}
1117 1581
1118void 1582void
1119aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1583aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1120 PPCODE: 1584 PPCODE:
1121{ 1585{
1122 int ifd = s_fileno_croak (in_fh , 0); 1586 int ifd = s_fileno_croak (in_fh , 0);
1123 int ofd = s_fileno_croak (out_fh, 1); 1587 int ofd = s_fileno_croak (out_fh, 1);
1124 dREQ; 1588 dREQ;
1125 1589
1126 req->type = EIO_SENDFILE; 1590 req->type = EIO_SENDFILE;
1127 req->sv1 = newSVsv (out_fh); 1591 req->sv1 = newSVsv (out_fh);
1128 req->int1 = ofd; 1592 req->int1 = ofd;
… …
1133 1597
1134 REQ_SEND; 1598 REQ_SEND;
1135} 1599}
1136 1600
1137void 1601void
1138aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1602aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1139 PPCODE: 1603 PPCODE:
1140{ 1604{
1141 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
1142 dREQ; 1606 dREQ;
1143 1607
1144 req->type = EIO_READAHEAD; 1608 req->type = EIO_READAHEAD;
1145 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
1146 req->int1 = fd; 1610 req->int1 = fd;
… …
1149 1613
1150 REQ_SEND; 1614 REQ_SEND;
1151} 1615}
1152 1616
1153void 1617void
1154aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1618aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1155 ALIAS: 1619 ALIAS:
1156 aio_stat = EIO_STAT 1620 aio_stat = EIO_STAT
1157 aio_lstat = EIO_LSTAT 1621 aio_lstat = EIO_LSTAT
1158 aio_statvfs = EIO_STATVFS 1622 aio_statvfs = EIO_STATVFS
1159 PPCODE: 1623 PPCODE:
1160{ 1624{
1161 dREQ; 1625 dREQ;
1162 1626
1163 req->sv1 = newSVsv (fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1164
1165 if (SvPOK (req->sv1))
1166 {
1167 req->type = ix;
1168 req->ptr1 = SvPVbyte_nolen (req->sv1);
1169 }
1170 else
1171 {
1172 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1173 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1174 }
1175 1628
1176 REQ_SEND; 1629 REQ_SEND;
1177} 1630}
1631
1632void
1633stat_xtime ()
1634 ALIAS:
1635 stat_atime = 1
1636 stat_mtime = 2
1637 stat_ctime = 4
1638 stat_xtime = 7
1639 PPCODE:
1640 EXTEND (SP, 3);
1641 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1642 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1643 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1644
1645void
1646stat_xtimensec ()
1647 ALIAS:
1648 stat_atimensec = 1
1649 stat_mtimensec = 2
1650 stat_ctimensec = 4
1651 stat_xtimensec = 7
1652 PPCODE:
1653 EXTEND (SP, 3);
1654 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1655 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1656 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1178 1657
1179UV 1658UV
1180major (UV dev) 1659major (UV dev)
1181 ALIAS: 1660 ALIAS:
1182 minor = 1 1661 minor = 1
1183 CODE: 1662 CODE:
1184 RETVAL = ix ? major (dev) : minor (dev); 1663 RETVAL = ix ? minor (dev) : major (dev);
1185 OUTPUT: 1664 OUTPUT:
1186 RETVAL 1665 RETVAL
1187 1666
1188UV 1667UV
1189makedev (UV maj, UV min) 1668makedev (UV maj, UV min)
… …
1191 RETVAL = makedev (maj, min); 1670 RETVAL = makedev (maj, min);
1192 OUTPUT: 1671 OUTPUT:
1193 RETVAL 1672 RETVAL
1194 1673
1195void 1674void
1196aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1675aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1197 PPCODE: 1676 PPCODE:
1198{ 1677{
1199 dREQ; 1678 dREQ;
1200 1679
1201 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1680 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1202 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1681 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1203 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1204
1205 if (SvPOK (req->sv1))
1206 {
1207 req->type = EIO_UTIME;
1208 req->ptr1 = SvPVbyte_nolen (req->sv1);
1209 }
1210 else
1211 {
1212 req->type = EIO_FUTIME;
1213 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1214 }
1215 1683
1216 REQ_SEND; 1684 REQ_SEND;
1217} 1685}
1218 1686
1219void 1687void
1220aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1688aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1221 PPCODE: 1689 PPCODE:
1222{ 1690{
1223 dREQ; 1691 dREQ;
1224 1692
1225 req->sv1 = newSVsv (fh_or_path);
1226 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1693 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1227 1694 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1228 if (SvPOK (req->sv1))
1229 {
1230 req->type = EIO_TRUNCATE;
1231 req->ptr1 = SvPVbyte_nolen (req->sv1);
1232 }
1233 else
1234 {
1235 req->type = EIO_FTRUNCATE;
1236 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1237 }
1238 1695
1239 REQ_SEND; 1696 REQ_SEND;
1240} 1697}
1241 1698
1242void 1699void
1243aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1700aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1244 ALIAS:
1245 aio_chmod = EIO_CHMOD
1246 aio_mkdir = EIO_MKDIR
1247 PPCODE: 1701 PPCODE:
1248{ 1702{
1249 dREQ; 1703 dREQ;
1250 1704
1251 req->int2 = mode; 1705 req->int2 = mode;
1252 req->sv1 = newSVsv (fh_or_path); 1706 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1253
1254 if (SvPOK (req->sv1))
1255 {
1256 req->type = ix;
1257 req->ptr1 = SvPVbyte_nolen (req->sv1);
1258 }
1259 else
1260 {
1261 req->type = EIO_FCHMOD;
1262 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1263 }
1264 1707
1265 REQ_SEND; 1708 REQ_SEND;
1266} 1709}
1267 1710
1268void 1711void
1269aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1712aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1270 PPCODE: 1713 PPCODE:
1271{ 1714{
1272 dREQ; 1715 dREQ;
1273 1716
1274 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1717 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1275 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1718 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1276 req->sv1 = newSVsv (fh_or_path); 1719 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1277
1278 if (SvPOK (req->sv1))
1279 {
1280 req->type = EIO_CHOWN;
1281 req->ptr1 = SvPVbyte_nolen (req->sv1);
1282 }
1283 else
1284 {
1285 req->type = EIO_FCHOWN;
1286 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1287 }
1288 1720
1289 REQ_SEND; 1721 REQ_SEND;
1290} 1722}
1291 1723
1292void 1724void
1293aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1725aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1294 PPCODE: 1726 PPCODE:
1295{ 1727{
1296 dREQ; 1728 dREQ;
1297 1729
1298 req->type = EIO_READDIR; 1730 req->type = EIO_READDIR;
1299 req->sv1 = newSVsv (pathname);
1300 req->ptr1 = SvPVbyte_nolen (req->sv1);
1301 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1731 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1302 1732
1303 if (flags & EIO_READDIR_DENTS) 1733 if (flags & EIO_READDIR_DENTS)
1304 req->int1 |= EIO_READDIR_CUSTOM2; 1734 req->int1 |= EIO_READDIR_CUSTOM2;
1305 1735
1736 req_set_path1 (req, pathname);
1737
1306 REQ_SEND; 1738 REQ_SEND;
1307} 1739}
1308 1740
1309void 1741void
1742aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1743 PPCODE:
1744{
1745 dREQ;
1746
1747 req->type = EIO_MKDIR;
1748 req->int2 = mode;
1749 req_set_path1 (req, pathname);
1750
1751 REQ_SEND;
1752}
1753
1754void
1310aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1755aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1311 ALIAS: 1756 ALIAS:
1312 aio_unlink = EIO_UNLINK 1757 aio_unlink = EIO_UNLINK
1313 aio_rmdir = EIO_RMDIR 1758 aio_rmdir = EIO_RMDIR
1314 aio_readdir = EIO_READDIR 1759 aio_readdir = EIO_READDIR
1315 PPCODE: 1760 PPCODE:
1316{ 1761{
1317 dREQ; 1762 dREQ;
1318 1763
1319 req->type = ix; 1764 req->type = ix;
1320 req->sv1 = newSVsv (pathname); 1765 req_set_path1 (req, pathname);
1321 req->ptr1 = SvPVbyte_nolen (req->sv1);
1322 1766
1323 REQ_SEND; 1767 REQ_SEND;
1324} 1768}
1325 1769
1326void 1770void
1327aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1771aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1328 ALIAS: 1772 ALIAS:
1329 aio_link = EIO_LINK 1773 aio_link = EIO_LINK
1330 aio_symlink = EIO_SYMLINK 1774 aio_symlink = EIO_SYMLINK
1331 aio_rename = EIO_RENAME 1775 aio_rename = EIO_RENAME
1332 PPCODE: 1776 PPCODE:
1333{ 1777{
1778 eio_wd wd2 = 0;
1334 dREQ; 1779 dREQ;
1335 1780
1336 req->type = ix; 1781 req->type = ix;
1337 req->sv1 = newSVsv (oldpath); 1782 req_set_path1 (req, oldpath);
1338 req->ptr1 = SvPVbyte_nolen (req->sv1); 1783 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1339 req->sv2 = newSVsv (newpath); 1784 req->int3 = (long)wd2;
1340 req->ptr2 = SvPVbyte_nolen (req->sv2);
1341 1785
1342 REQ_SEND; 1786 REQ_SEND;
1343} 1787}
1344 1788
1345void 1789void
1790aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1791 PPCODE:
1792{
1793 eio_wd wd2 = 0;
1794 dREQ;
1795
1796 req->type = EIO_RENAME;
1797 req_set_path1 (req, oldpath);
1798 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1799 req->int2 = flags;
1800 req->int3 = (long)wd2;
1801
1802 REQ_SEND;
1803}
1804
1805void
1346aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1806aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1347 PPCODE: 1807 PPCODE:
1348{ 1808{
1349 dREQ; 1809 dREQ;
1350 1810
1351 req->type = EIO_MKNOD; 1811 req->type = EIO_MKNOD;
1352 req->sv1 = newSVsv (pathname);
1353 req->ptr1 = SvPVbyte_nolen (req->sv1);
1354 req->int2 = (mode_t)mode; 1812 req->int2 = (mode_t)mode;
1355 req->offs = dev; 1813 req->offs = dev;
1814 req_set_path1 (req, pathname);
1356 1815
1357 REQ_SEND; 1816 REQ_SEND;
1358} 1817}
1359 1818
1360void 1819void
1361aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1820aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1362 ALIAS: 1821 ALIAS:
1363 aio_mtouch = EIO_MTOUCH 1822 aio_mtouch = EIO_MTOUCH
1364 aio_msync = EIO_MSYNC 1823 aio_msync = EIO_MSYNC
1365 PPCODE: 1824 PPCODE:
1366{ 1825{
1367 STRLEN svlen; 1826 STRLEN svlen;
1368 char *svptr = SvPVbyte (data, svlen); 1827 char *svptr = SvPVbyte (data, svlen);
1369 UV len = SvUV (length); 1828 UV len = SvUV (length);
1829
1830 if (flags < 0)
1831 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1370 1832
1371 if (offset < 0) 1833 if (offset < 0)
1372 offset += svlen; 1834 offset += svlen;
1373 1835
1374 if (offset < 0 || offset > svlen) 1836 if (offset < 0 || offset > svlen)
… …
1389 REQ_SEND; 1851 REQ_SEND;
1390 } 1852 }
1391} 1853}
1392 1854
1393void 1855void
1394aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1856aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1395 PPCODE: 1857 PPCODE:
1396{ 1858{
1397 STRLEN svlen; 1859 STRLEN svlen;
1398 char *svptr = SvPVbyte (data, svlen); 1860 char *svptr = SvPVbyte (data, svlen);
1399 UV len = SvUV (length); 1861 UV len = SvUV (length);
… …
1418 REQ_SEND; 1880 REQ_SEND;
1419 } 1881 }
1420} 1882}
1421 1883
1422void 1884void
1423aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1885aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1424 PPCODE: 1886 PPCODE:
1425{ 1887{
1426 dREQ; 1888 dREQ;
1427 1889
1428 req->type = EIO_MLOCKALL; 1890 req->type = EIO_MLOCKALL;
… …
1430 1892
1431 REQ_SEND; 1893 REQ_SEND;
1432} 1894}
1433 1895
1434void 1896void
1897aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1898 PPCODE:
1899{
1900 int fd = s_fileno_croak (fh, 0);
1901 dREQ;
1902
1903 req->type = EIO_CUSTOM;
1904 req->sv1 = newSVsv (fh);
1905 req->int1 = fd;
1906
1907 req->feed = fiemap;
1908#if HAVE_FIEMAP
1909 /* keep our fingers crossed that the next two types are 64 bit */
1910 req->offs = start;
1911 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1912 req->int2 = flags;
1913 req->int3 = SvOK (count) ? SvIV (count) : -1;
1914#endif
1915
1916 REQ_SEND;
1917}
1918
1919void
1920aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1921 PPCODE:
1922{
1923 char *svptr = 0;
1924
1925 sv_clear_foreign (data);
1926
1927 if (length) /* known length, directly read into scalar */
1928 {
1929 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1930 svptr = sv_grow (data, length + 1);
1931 else if (SvCUR (data) < length)
1932 croak ("length outside of scalar, and cannot grow");
1933 else
1934 svptr = SvPVbyte_nolen (data);
1935 }
1936
1937 {
1938 dREQ;
1939
1940 req->type = EIO_SLURP;
1941 req_set_path1 (req, pathname);
1942 req->offs = offset;
1943 req->size = length;
1944 req->sv2 = SvREFCNT_inc (data);
1945 req->ptr2 = svptr;
1946
1947 if (!SvREADONLY (data))
1948 {
1949 SvREADONLY_on (data);
1950 req->flags |= FLAG_SV2_RO_OFF;
1951 }
1952
1953 REQ_SEND;
1954 }
1955}
1956
1957void
1435aio_busy (double delay, SV *callback=&PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1436 PPCODE: 1959 PPCODE:
1437{ 1960{
1438 dREQ; 1961 dREQ;
1439 1962
1440 req->type = EIO_BUSY; 1963 req->type = EIO_BUSY;
… …
1442 1965
1443 REQ_SEND; 1966 REQ_SEND;
1444} 1967}
1445 1968
1446void 1969void
1447aio_group (SV *callback=&PL_sv_undef) 1970aio_group (SV *callback = &PL_sv_undef)
1448 PPCODE: 1971 PPCODE:
1449{ 1972{
1450 dREQ; 1973 dREQ;
1451 1974
1452 req->type = EIO_GROUP; 1975 req->type = EIO_GROUP;
1453 1976
1977 PUTBACK;
1454 req_submit (req); 1978 req_submit (req);
1979 SPAGAIN;
1980
1455 XPUSHs (req_sv (req, aio_grp_stash)); 1981 XPUSHs (req_sv (req, aio_grp_stash));
1456} 1982}
1457 1983
1458void 1984void
1459aio_nop (SV *callback=&PL_sv_undef) 1985aio_nop (SV *callback = &PL_sv_undef)
1460 ALIAS: 1986 ALIAS:
1461 aio_nop = EIO_NOP 1987 aio_nop = EIO_NOP
1462 aio_sync = EIO_SYNC 1988 aio_sync = EIO_SYNC
1463 PPCODE: 1989 PPCODE:
1464{ 1990{
… …
1468 1994
1469 REQ_SEND; 1995 REQ_SEND;
1470} 1996}
1471 1997
1472int 1998int
1473aioreq_pri (int pri = 0) 1999aioreq_pri (int pri = NO_INIT)
1474 CODE: 2000 CODE:
1475 RETVAL = next_pri; 2001 RETVAL = next_pri;
1476 if (items > 0) 2002 if (items > 0)
1477 { 2003 {
1478 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2004 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1560 CODE: 2086 CODE:
1561 RETVAL = posix_fadvise (fh, offset, length, advice); 2087 RETVAL = posix_fadvise (fh, offset, length, advice);
1562 OUTPUT: 2088 OUTPUT:
1563 RETVAL 2089 RETVAL
1564 2090
1565ssize_t 2091IV
1566sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2092sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1567 CODE: 2093 CODE:
1568 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2094 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1569 OUTPUT: 2095 OUTPUT:
1570 RETVAL 2096 RETVAL
1571 2097
1572void 2098void
1573mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2099mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1574 PPCODE: 2100 PPCODE:
1575 sv_unmagic (scalar, MMAP_MAGIC); 2101 sv_clear_foreign (scalar);
1576{ 2102{
1577 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2103 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1578 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2104 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1579 if (addr == (void *)-1) 2105 if (addr == (void *)-1)
1580 XSRETURN_NO; 2106 XSRETURN_NO;
1581 2107
1582 sv_force_normal (scalar); 2108 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1583
1584 /* we store the length in mg_obj, as namlen is I32 :/ */
1585 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1586 ->mg_obj = (SV *)length;
1587
1588 SvUPGRADE (scalar, SVt_PV); /* nop... */
1589 2109
1590 if (!(prot & PROT_WRITE)) 2110 if (!(prot & PROT_WRITE))
1591 SvREADONLY_on (scalar); 2111 SvREADONLY_on (scalar);
1592 2112
1593 if (SvLEN (scalar))
1594 Safefree (SvPVX (scalar));
1595
1596 SvPVX (scalar) = (char *)addr;
1597 SvCUR_set (scalar, length);
1598 SvLEN_set (scalar, 0);
1599 SvPOK_only (scalar);
1600
1601 XSRETURN_YES; 2113 XSRETURN_YES;
1602} 2114}
1603 2115
1604void 2116void
1605munmap (SV *scalar) 2117munmap (SV *scalar)
1606 CODE: 2118 CODE:
1607 sv_unmagic (scalar, MMAP_MAGIC); 2119 sv_clear_foreign (scalar);
2120
2121SV *
2122mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2123 CODE:
2124{
2125 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2126 void *new;
2127
2128 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2129 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2130
2131 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2132
2133 RETVAL = &PL_sv_no;
2134
2135 if (new != (void *)-1)
2136 {
2137 RETVAL = new == (void *)mg->mg_ptr
2138 ? newSVpvn ("0 but true", 10)
2139 : &PL_sv_yes;
2140
2141 mg->mg_ptr = (char *)new;
2142 mg->mg_obj = (SV *)new_length;
2143
2144 SvPVX (scalar) = mg->mg_ptr;
2145 SvCUR_set (scalar, new_length);
2146 }
2147}
2148 OUTPUT:
2149 RETVAL
1608 2150
1609int 2151int
1610madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2152madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1611 ALIAS: 2153 ALIAS:
1612 mprotect = 1 2154 mprotect = 1
1613 CODE: 2155 CODE:
1614{ 2156{
1615 STRLEN svlen; 2157 STRLEN svlen;
1616 void *addr = SvPVbyte (scalar, svlen); 2158 void *addr = SvPVbyte (scalar, svlen);
1617 size_t len = SvUV (length); 2159 STRLEN len = SvUV (length);
1618 2160
1619 if (offset < 0) 2161 if (offset < 0)
1620 offset += svlen; 2162 offset += svlen;
1621 2163
1622 if (offset < 0 || offset > svlen) 2164 if (offset < 0 || offset > svlen)
… …
1636} 2178}
1637 OUTPUT: 2179 OUTPUT:
1638 RETVAL 2180 RETVAL
1639 2181
1640int 2182int
1641munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2183munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1642 CODE: 2184 CODE:
1643{ 2185{
1644 STRLEN svlen; 2186 STRLEN svlen;
1645 void *addr = SvPVbyte (scalar, svlen); 2187 void *addr = SvPVbyte (scalar, svlen);
1646 size_t len = SvUV (length); 2188 size_t len = SvUV (length);
1647 2189
1648 if (offset < 0) 2190 if (offset < 0)
1649 offset += svlen; 2191 offset += svlen;
1650 2192
… …
1657 addr = (void *)(((intptr_t)addr) + offset); 2199 addr = (void *)(((intptr_t)addr) + offset);
1658 eio_page_align (&addr, &len); 2200 eio_page_align (&addr, &len);
1659#if _POSIX_MEMLOCK_RANGE 2201#if _POSIX_MEMLOCK_RANGE
1660 RETVAL = munlock (addr, len); 2202 RETVAL = munlock (addr, len);
1661#else 2203#else
1662 RETVAL = ((errno = ENOSYS), -1); 2204 RETVAL = EIO_ENOSYS ();
1663#endif 2205#endif
1664} 2206}
1665 OUTPUT: 2207 OUTPUT:
1666 RETVAL 2208 RETVAL
1667 2209
… …
1669munlockall () 2211munlockall ()
1670 CODE: 2212 CODE:
1671#if _POSIX_MEMLOCK 2213#if _POSIX_MEMLOCK
1672 munlockall (); 2214 munlockall ();
1673#else 2215#else
1674 RETVAL = -1; 2216 RETVAL = EIO_ENOSYS ();
1675 errno = ENOSYS;
1676#endif 2217#endif
1677 OUTPUT: 2218 OUTPUT:
1678 RETVAL 2219 RETVAL
2220
2221int
2222splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2223 CODE:
2224{
2225#if HAVE_LINUX_SPLICE
2226 loff_t off_in_, off_out_;
2227 RETVAL = splice (
2228 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2229 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2230 length, flags
2231 );
2232#else
2233 RETVAL = EIO_ENOSYS ();
2234#endif
2235}
2236 OUTPUT:
2237 RETVAL
2238
2239int
2240tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2241 CODE:
2242#if HAVE_LINUX_SPLICE
2243 RETVAL = tee (rfh, wfh, length, flags);
2244#else
2245 RETVAL = EIO_ENOSYS ();
2246#endif
2247 OUTPUT:
2248 RETVAL
2249
2250int
2251pipesize (aio_rfd rfh, int new_size = -1)
2252 PROTOTYPE: $;$
2253 CODE:
2254#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2255 if (new_size >= 0)
2256 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2257 else
2258 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2259#else
2260 errno = ENOSYS;
2261 RETVAL = -1;
2262#endif
2263 OUTPUT:
2264 RETVAL
2265
2266void
2267pipe2 (int flags = 0)
2268 PROTOTYPE: ;$
2269 PPCODE:
2270{
2271 int fd[2];
2272 int res;
2273
2274 if (flags)
2275#if HAVE_PIPE2
2276 res = pipe2 (fd, flags);
2277#else
2278 res = (errno = ENOSYS, -1);
2279#endif
2280 else
2281 res = pipe (fd);
2282
2283 if (!res)
2284 {
2285 EXTEND (SP, 2);
2286 PUSHs (newmortalFH (fd[0], O_RDONLY));
2287 PUSHs (newmortalFH (fd[1], O_WRONLY));
2288 }
2289}
2290
2291void
2292eventfd (unsigned int initval = 0, int flags = 0)
2293 PPCODE:
2294{
2295 int fd;
2296#if HAVE_EVENTFD
2297 fd = eventfd (initval, flags);
2298#else
2299 fd = (errno = ENOSYS, -1);
2300#endif
2301
2302 XPUSHs (newmortalFH (fd, O_RDWR));
2303}
2304
2305void
2306timerfd_create (int clockid, int flags = 0)
2307 PPCODE:
2308{
2309 int fd;
2310#if HAVE_TIMERFD
2311 fd = timerfd_create (clockid, flags);
2312#else
2313 fd = (errno = ENOSYS, -1);
2314#endif
2315
2316 XPUSHs (newmortalFH (fd, O_RDWR));
2317}
2318
2319void
2320timerfd_settime (SV *fh, int flags, NV interval, NV value)
2321 PPCODE:
2322{
2323 int fd = s_fileno_croak (fh, 0);
2324#if HAVE_TIMERFD
2325 int res;
2326 struct itimerspec its, ots;
2327
2328 ts_set (&its.it_interval, interval);
2329 ts_set (&its.it_value , value);
2330 res = timerfd_settime (fd, flags, &its, &ots);
2331
2332 if (!res)
2333 {
2334 EXTEND (SP, 2);
2335 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2336 PUSHs (newSVnv (ts_get (&ots.it_value)));
2337 }
2338#else
2339 errno = ENOSYS;
2340#endif
2341}
2342
2343void
2344timerfd_gettime (SV *fh)
2345 PPCODE:
2346{
2347 int fd = s_fileno_croak (fh, 0);
2348#if HAVE_TIMERFD
2349 int res;
2350 struct itimerspec ots;
2351 res = timerfd_gettime (fd, &ots);
2352
2353 if (!res)
2354 {
2355 EXTEND (SP, 2);
2356 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2357 PUSHs (newSVnv (ts_get (&ots.it_value)));
2358 }
2359#else
2360 errno = ENOSYS;
2361#endif
2362}
2363
2364UV
2365get_fdlimit ()
2366 CODE:
2367#if HAVE_RLIMITS
2368 struct rlimit rl;
2369 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2370 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2371#endif
2372 XSRETURN_UNDEF;
2373 OUTPUT:
2374 RETVAL
2375
2376void
2377min_fdlimit (UV limit = 0x7fffffffU)
2378 CODE:
2379{
2380#if HAVE_RLIMITS
2381 struct rlimit rl;
2382 rlim_t orig_rlim_max;
2383 UV bit;
2384
2385 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2386 goto fail;
2387
2388 if (rl.rlim_cur == RLIM_INFINITY)
2389 XSRETURN_YES;
2390
2391 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2392
2393 if (rl.rlim_cur < limit)
2394 {
2395 rl.rlim_cur = limit;
2396
2397 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2398 rl.rlim_max = rl.rlim_cur;
2399 }
2400
2401 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2402 XSRETURN_YES;
2403
2404 if (errno == EPERM)
2405 {
2406 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2407 /* our limit overflows a system-wide limit */
2408 /* try an adaptive algorithm, but do not lower the hardlimit */
2409 rl.rlim_max = 0;
2410 for (bit = 0x40000000U; bit; bit >>= 1)
2411 {
2412 rl.rlim_max |= bit;
2413 rl.rlim_cur = rl.rlim_max;
2414
2415 /* nevr decrease the hard limit */
2416 if (rl.rlim_max < orig_rlim_max)
2417 break;
2418
2419 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2420 rl.rlim_max &= ~bit; /* too high, remove bit again */
2421 }
2422
2423 /* now, raise the soft limit to the max permitted */
2424 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2425 {
2426 rl.rlim_cur = rl.rlim_max;
2427 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2428 errno = EPERM;
2429 }
2430 }
2431#endif
2432 fail:
2433 XSRETURN_UNDEF;
2434}
1679 2435
1680void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1681 CODE: 2437 CODE:
1682 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1683 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1684 2440
1685PROTOTYPES: DISABLE 2441PROTOTYPES: DISABLE
1686 2442
2443MODULE = IO::AIO PACKAGE = IO::AIO::WD
2444
2445BOOT:
2446{
2447 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2448 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2449}
2450
2451void
2452DESTROY (SV *self)
2453 CODE:
2454{
2455 aio_wd wd = SvAIO_WD (self);
2456#if HAVE_AT
2457 {
2458 SV *callback = &PL_sv_undef;
2459 dREQ; /* clobbers next_pri :/ */
2460 next_pri = req->pri; /* restore next_pri */
2461 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2462 req->type = EIO_WD_CLOSE;
2463 req->wd = wd;
2464 REQ_SEND;
2465 }
2466#else
2467 eio_wd_close_sync (wd);
2468#endif
2469}
2470
1687MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2471MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1688 2472
1689void 2473void
1690cancel (aio_req_ornot req) 2474cancel (aio_req_ornot req)
1691 CODE: 2475 CODE:
1692 eio_cancel (req); 2476 eio_cancel (req);
1693 2477
1694void 2478void
1695cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2479cb (aio_req_ornot req, SV *callback = NO_INIT)
1696 PPCODE: 2480 PPCODE:
1697{ 2481{
1698 if (GIMME_V != G_VOID) 2482 if (GIMME_V != G_VOID)
1699 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2483 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1700 2484
1701 if (items > 1) 2485 if (items > 1)
1702 { 2486 {
1703 SV *cb_cv =get_cb (callback); 2487 SV *cb_cv = get_cb (callback);
1704 2488
1705 SvREFCNT_dec (req->callback); 2489 SvREFCNT_dec (req->callback);
1706 req->callback = SvREFCNT_inc (cb_cv); 2490 req->callback = SvREFCNT_inc (cb_cv);
1707 } 2491 }
1708} 2492}
… …
1765limit (aio_req grp, int limit) 2549limit (aio_req grp, int limit)
1766 CODE: 2550 CODE:
1767 eio_grp_limit (grp, limit); 2551 eio_grp_limit (grp, limit);
1768 2552
1769void 2553void
1770feed (aio_req grp, SV *callback=&PL_sv_undef) 2554feed (aio_req grp, SV *callback = &PL_sv_undef)
1771 CODE: 2555 CODE:
1772{ 2556{
1773 SvREFCNT_dec (grp->sv2); 2557 SvREFCNT_dec (grp->sv2);
1774 grp->sv2 = newSVsv (callback); 2558 grp->sv2 = newSVsv (callback);
1775 grp->feed = aio_grp_feed; 2559 grp->feed = aio_grp_feed;

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