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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.185 by root, Thu Jul 7 22:36:18 2011 UTC vs.
Revision 1.265 by root, Tue Aug 14 11:50:43 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 22
23#if HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
28
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 30# include <sys/mman.h>
23#endif 31#endif
24 32
33/* the incompetent fool that created musl keeps __linux__, refuses
34 * to implement any linux standard apis, and also has no way to test
35 * for his broken iplementation. don't complain to me if this fails
36 * for you.
37 */
38#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
39# include <linux/fs.h>
40# ifdef FS_IOC_FIEMAP
41# include <linux/types.h>
42# include <linux/fiemap.h>
43# define HAVE_FIEMAP 1
44# endif
45#endif
46
25/* perl namespace pollution */ 47/* perl namespace pollution */
26#undef VERSION 48#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 49
77/* perl stupidly overrides readdir and maybe others */ 50/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 51/* with thread-unsafe versions, imagine that :( */
79#undef readdir 52#undef readdir
80#undef opendir 53#undef opendir
81#undef closedir 54#undef closedir
82 55
56#ifdef _WIN32
57
58 // perl overrides all those nice libc functions
59
60 #undef malloc
61 #undef free
62 #undef open
63 #undef read
64 #undef write
65 #undef send
66 #undef recv
67 #undef stat
68 #undef lstat
69 #undef fstat
70 #undef truncate
71 #undef ftruncate
72 #undef open
73 #undef link
74 #undef close
75 #undef unlink
76 #undef mkdir
77 #undef rmdir
78 #undef rename
79 #undef lseek
80 #undef opendir
81 #undef readdir
82 #undef closedir
83 #undef chmod
84 #undef fchmod
85 #undef dup
86 #undef dup2
87 #undef abort
88 #undef pipe
89
90 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STATI64
84 92
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 93#else
91# define VAL64 NV 94
92# define SvVAL64 SvNV 95 #include <sys/time.h>
93# define newSVval64 newSVnv 96 #include <sys/select.h>
97 #include <unistd.h>
98 #include <utime.h>
99 #include <signal.h>
100
101 #define EIO_STRUCT_STAT Stat_t
102
94#endif 103#endif
95 104
96/*****************************************************************************/ 105/*****************************************************************************/
97 106
98#if __GNUC__ >= 3 107#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 113#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 114#define expect_true(expr) expect ((expr) != 0, 1)
106 115
107/*****************************************************************************/ 116/*****************************************************************************/
108 117
118#include "config.h"
119
120#if HAVE_ST_XTIMENSEC
121# define ATIMENSEC PL_statcache.st_atimensec
122# define MTIMENSEC PL_statcache.st_mtimensec
123# define CTIMENSEC PL_statcache.st_ctimensec
124#elif HAVE_ST_XTIMESPEC
125# define ATIMENSEC PL_statcache.st_atim.tv_nsec
126# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
127# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
128#else
129# define ATIMENSEC 0
130# define MTIMENSEC 0
131# define CTIMENSEC 0
132#endif
133
134#include "schmorp.h"
135
136#if HAVE_EVENTFD
137# include <sys/eventfd.h>
138#endif
139
140#if HAVE_TIMERFD
141# include <sys/timerfd.h>
142#endif
143
144#if HAVE_RLIMITS
145 #include <sys/time.h>
146 #include <sys/resource.h>
147#endif
148
109typedef SV SV8; /* byte-sv, used for argument-checking */ 149typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 150typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 151typedef int aio_wfd; /* write file descriptor */
112 152
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 153static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 154
115#define EIO_REQ_MEMBERS \ 155#define EIO_REQ_MEMBERS \
116 SV *callback; \ 156 SV *callback; \
117 SV *sv1, *sv2; \ 157 SV *sv1, *sv2; \
158 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 159 STRLEN stroffset; \
119 SV *self; 160 SV *self;
120 161
121#define EIO_NO_WRAPPERS 1 162#define EIO_NO_WRAPPERS 1
122 163
123#include "libeio/config.h"
124#include "libeio/eio.h" 164#include "libeio/eio.h"
125 165
126/* Linux/others */ 166static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 167#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 168static void req_destroy (eio_req *grp);
129#endif 169#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
136 170
137/* POSIX */ 171#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
190 172
191#if !HAVE_POSIX_FADVISE 173#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 174# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif 175#endif
194 176
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 177#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 178# 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 179#endif
283 180
284#ifndef MAP_ANONYMOUS 181#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 182# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 183# define MAP_ANONYMOUS MAP_ANON
287# else 184# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 185# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 186# endif
290#endif 187#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
306 188
307#ifndef makedev 189#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 190# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 191#endif
310#ifndef major 192#ifndef major
… …
312#endif 194#endif
313#ifndef minor 195#ifndef minor
314# define minor(dev) ((dev) & 0xff) 196# define minor(dev) ((dev) & 0xff)
315#endif 197#endif
316 198
317#ifndef PAGESIZE 199#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 200# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 201#endif
320 202
321static int req_invoke (eio_req *req); 203/*****************************************************************************/
322#define EIO_FINISH(req) req_invoke (req) 204
323static void req_destroy (eio_req *grp); 205#if !_POSIX_MAPPED_FILES
324#define EIO_DESTROY(req) req_destroy (req) 206# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
207# define munmap(addr,length) EIO_ENOSYS ()
208#endif
209
210#if !_POSIX_MEMORY_PROTECTION
211# define mprotect(addr,len,prot) EIO_ENOSYS ()
212#endif
213
214#if !MREMAP_MAYMOVE
215# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
216#endif
217
218#define FOREIGN_MAGIC PERL_MAGIC_ext
219
220static int ecb_cold
221mmap_free (pTHX_ SV *sv, MAGIC *mg)
222{
223 int old_errno = errno;
224 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
225 errno = old_errno;
226
227 mg->mg_obj = 0; /* just in case */
228
229 SvREADONLY_off (sv);
230
231 if (SvPVX (sv) != mg->mg_ptr)
232 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
233
234 SvCUR_set (sv, 0);
235 SvPVX (sv) = 0;
236 SvOK_off (sv);
237
238 return 0;
239}
240
241static MGVTBL mmap_vtbl = {
242 0, 0, 0, 0, mmap_free
243};
244
245static int ecb_cold
246sysfree_free (pTHX_ SV *sv, MAGIC *mg)
247{
248 free (mg->mg_ptr);
249 mg->mg_obj = 0; /* just in case */
250
251 SvREADONLY_off (sv);
252
253 if (SvPVX (sv) != mg->mg_ptr)
254 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
255
256 SvCUR_set (sv, 0);
257 SvPVX (sv) = 0;
258 SvOK_off (sv);
259
260 return 0;
261}
262
263static MGVTBL sysfree_vtbl = {
264 0, 0, 0, 0, sysfree_free
265};
266
267/*****************************************************************************/
268
269/* helper: set scalar to foreign ptr with custom free */
270static void
271sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
272{
273 sv_force_normal (sv);
274
275 /* we store the length in mg_obj, as namlen is I32 :/ */
276 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
277 ->mg_obj = (SV *)length;
278
279 SvUPGRADE (sv, SVt_PV); /* nop... */
280
281 if (SvLEN (sv))
282 Safefree (SvPVX (sv));
283
284 SvPVX (sv) = (char *)addr;
285 SvCUR_set (sv, length);
286 SvLEN_set (sv, 0);
287 SvPOK_only (sv);
288}
289
290static void
291sv_clear_foreign (SV *sv)
292{
293 /* todo: iterate over magic and only free ours, but of course */
294 /* the perl5porters will call that (correct) behaviour buggy */
295 sv_unmagic (sv, FOREIGN_MAGIC);
296}
297
298/*****************************************************************************/
299
300/* defines all sorts of constants to 0 unless they are already defined */
301/* also provides const_iv_ and const_niv_ macros for them */
302#include "def0.h"
303
304/*****************************************************************************/
305
306static void
307fiemap (eio_req *req)
308{
309 req->result = -1;
310
311#if HAVE_FIEMAP
312 /* assume some c99 */
313 struct fiemap *fiemap = 0;
314 size_t end_offset;
315 int count = req->int3;
316
317 req->flags |= EIO_FLAG_PTR1_FREE;
318
319 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
320 /* increase in 3.5kb steps */
321 if (count < 0)
322 count = 8;
323
324 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
325 errno = ENOMEM;
326 if (!fiemap)
327 return;
328
329 req->ptr1 = fiemap;
330
331 fiemap->fm_start = req->offs;
332 fiemap->fm_length = req->size;
333 fiemap->fm_flags = req->int2;
334 fiemap->fm_extent_count = count;
335
336 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
337 return;
338
339 if (req->int3 >= 0 /* not autosizing */
340 || !fiemap->fm_mapped_extents /* no more extents */
341 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
342 goto done;
343
344 /* else we have to loop -
345 * it would be tempting (actually I tried that first) to just query the
346 * number of extents needed, but linux often feels like not returning all
347 * extents, without telling us it left any out. this complicates
348 * this quite a bit.
349 */
350
351 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
352
353 for (;;)
354 {
355 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
356 char scratch[3072];
357 struct fiemap *incmap = (struct fiemap *)scratch;
358
359 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
360 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
361 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
362 incmap->fm_flags = fiemap->fm_flags;
363 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
366 return;
367
368 if (!incmap->fm_mapped_extents)
369 goto done;
370
371 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
372 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
373 errno = ENOMEM;
374 if (!fiemap)
375 return;
376
377 req->ptr1 = fiemap;
378
379 for (count = 0; count < incmap->fm_mapped_extents; ++count)
380 {
381 struct fiemap_extent *e = incmap->fm_extents + count;
382
383 if (e->fe_logical + e->fe_length >= end_offset)
384 goto done;
385
386 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
387
388 if (e->fe_flags & FIEMAP_EXTENT_LAST)
389 goto done;
390
391 }
392 }
393
394done:
395 req->result = 0;
396
397#else
398 errno = ENOSYS;
399#endif
400}
401
402/*****************************************************************************/
325 403
326enum { 404enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 405 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 406};
329 407
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 408typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 409typedef eio_req *aio_req_ornot;
410typedef eio_wd aio_wd;
334 411
335static SV *on_next_submit; 412static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 413static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 414static int max_outstanding;
338 415
339static s_epipe respipe; 416static s_epipe respipe;
340 417
341static void req_destroy (aio_req req); 418static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 419static void req_cancel (aio_req req);
343 420
344static void want_poll (void) 421static void
422want_poll (void)
345{ 423{
346 /* write a dummy byte to the pipe so fh becomes ready */ 424 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 425 s_epipe_signal (&respipe);
348} 426}
349 427
350static void done_poll (void) 428static void
429done_poll (void)
351{ 430{
352 /* read any signals sent by the worker threads */ 431 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 432 s_epipe_drain (&respipe);
354} 433}
355 434
356/* must be called at most once */ 435/* must be called at most once */
436static SV *
357static SV *req_sv (aio_req req, HV *stash) 437req_sv (aio_req req, HV *stash)
358{ 438{
359 if (!req->self) 439 if (!req->self)
360 { 440 {
361 req->self = (SV *)newHV (); 441 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 442 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 443 }
364 444
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 445 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 446}
367 447
368static aio_req SvAIO_REQ (SV *sv) 448static SV *
449newSVaio_wd (aio_wd wd)
450{
451 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
452}
453
454static aio_req
455SvAIO_REQ (SV *sv)
369{ 456{
370 MAGIC *mg; 457 MAGIC *mg;
371 458
372 if (!SvROK (sv) 459 if (!SvROK (sv)
460 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 461 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 462 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 463 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 464 croak ("object of class IO::AIO::REQ expected");
377 465
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 466 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 467
380 return mg ? (aio_req)mg->mg_ptr : 0; 468 return mg ? (aio_req)mg->mg_ptr : 0;
381} 469}
382 470
471static aio_wd
472SvAIO_WD (SV *sv)
473{
474 if (!SvROK (sv)
475 || SvTYPE (SvRV (sv)) != SVt_PVMG
476 || SvSTASH (SvRV (sv)) != aio_wd_stash)
477 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
478
479 return (aio_wd)(long)SvIVX (SvRV (sv));
480}
481
482static SV *
483newmortalFH (int fd, int flags)
484{
485 if (fd < 0)
486 return &PL_sv_undef;
487
488 GV *gv = (GV *)sv_newmortal ();
489 char sym[64];
490 int symlen;
491
492 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
493 gv_init (gv, aio_stash, sym, symlen, 0);
494
495 symlen = snprintf (
496 sym,
497 sizeof (sym),
498 "%s&=%d",
499 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
500 fd
501 );
502
503 return do_open (gv, sym, symlen, 0, 0, 0, 0)
504 ? (SV *)gv : &PL_sv_undef;
505}
506
507static void
383static void aio_grp_feed (aio_req grp) 508aio_grp_feed (aio_req grp)
384{ 509{
385 if (grp->sv2 && SvOK (grp->sv2)) 510 if (grp->sv2 && SvOK (grp->sv2))
386 { 511 {
387 dSP; 512 dSP;
388 513
… …
396 FREETMPS; 521 FREETMPS;
397 LEAVE; 522 LEAVE;
398 } 523 }
399} 524}
400 525
526static void
401static void req_submit (eio_req *req) 527req_submit (eio_req *req)
402{ 528{
403 eio_submit (req); 529 eio_submit (req);
404 530
405 if (expect_false (on_next_submit)) 531 if (expect_false (on_next_submit))
406 { 532 {
… …
413 PUTBACK; 539 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 540 call_sv (cb, G_DISCARD | G_EVAL);
415 } 541 }
416} 542}
417 543
544static int
418static int req_invoke (eio_req *req) 545req_invoke (eio_req *req)
419{ 546{
420 if (req->flags & FLAG_SV2_RO_OFF) 547 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 548 SvREADONLY_off (req->sv2);
422 549
423 if (!EIO_CANCELLED (req) && req->callback) 550 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 571 SvREADONLY_on (sv_result);
445 } 572 }
446 573
447 switch (req->type) 574 switch (req->type)
448 { 575 {
576 case EIO_WD_OPEN:
577 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
578 break;
579
449 case EIO_READDIR: 580 case EIO_READDIR:
450 { 581 {
451 SV *rv = &PL_sv_undef; 582 SV *rv = &PL_sv_undef;
452 583
453 if (req->result >= 0) 584 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 637 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 638 }
508 break; 639 break;
509 640
510 case EIO_OPEN: 641 case EIO_OPEN:
511 { 642 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; 643 break;
540 644
541 case EIO_STATVFS: 645 case EIO_STATVFS:
542 case EIO_FSTATVFS: 646 case EIO_FSTATVFS:
543 { 647 {
544 SV *rv = &PL_sv_undef; 648 SV *rv = &PL_sv_undef;
545 649
650#ifndef _WIN32
546 if (req->result >= 0) 651 if (req->result >= 0)
547 { 652 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 653 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 654 HV *hv = newHV ();
655 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
656 * chooses to make it a struct.
657 */
658 unsigned long fsid = 0;
659 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 660
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 661 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 662
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 663 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 664 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 666 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 667 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 668 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 669 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 670 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 671 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 672 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 673 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 674 }
675#endif
565 676
566 PUSHs (rv); 677 PUSHs (rv);
567 } 678 }
568 679
569 break; 680 break;
… …
593 break; 704 break;
594 705
595 case EIO_STAT: 706 case EIO_STAT:
596 case EIO_LSTAT: 707 case EIO_LSTAT:
597 case EIO_FSTAT: 708 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 709 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
710
599 PL_laststatval = req->result; 711 if (!(PL_laststatval = req->result))
712 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 713 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
714
601 PUSHs (sv_result); 715 PUSHs (sv_result);
716 break;
717
718 case EIO_SEEK:
719 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602 break; 720 break;
603 721
604 case EIO_READ: 722 case EIO_READ:
605 { 723 {
606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 724 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
609 SvSETMAGIC (req->sv2); 727 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 728 PUSHs (sv_result);
611 } 729 }
612 break; 730 break;
613 731
732 case EIO_SLURP:
733 {
734 if (req->result >= 0)
735 {
736 /* if length was originally not known, we steal the malloc'ed memory */
737 if (req->flags & EIO_FLAG_PTR2_FREE)
738 {
739 req->flags &= ~EIO_FLAG_PTR2_FREE;
740 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
741 }
742 else
743 {
744 SvCUR_set (req->sv2, req->result);
745 *SvEND (req->sv2) = 0;
746 SvPOK_only (req->sv2);
747 }
748
749 SvSETMAGIC (req->sv2);
750 }
751
752 PUSHs (sv_result);
753 }
754 break;
755
756 case EIO_CUSTOM:
757 if (req->feed == fiemap)
758 {
759#if HAVE_FIEMAP
760 if (!req->result)
761 {
762 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
763
764 if (fiemap->fm_extent_count)
765 {
766 AV *av = newAV ();
767 int i;
768
769 while (fiemap->fm_mapped_extents)
770 {
771 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
772 AV *ext_av = newAV ();
773
774 av_store (ext_av, 3, newSVuv (extent->fe_flags));
775 av_store (ext_av, 2, newSVval64 (extent->fe_length));
776 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
777 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
778
779 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
780 }
781
782 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
783 }
784 else
785 {
786 SvIV_set (sv_result, fiemap->fm_mapped_extents);
787 PUSHs (sv_result);
788 }
789 }
790#endif
791 }
792 else
793 PUSHs (sv_result);
794 break;
795
614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 796 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615 if (req->result > 0) 797 if (req->result > 0)
616 SvIV_set (sv_result, 0); 798 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 799 /* FALLTHROUGH */
618 800
… …
639 } 821 }
640 822
641 return !!SvTRUE (ERRSV); 823 return !!SvTRUE (ERRSV);
642} 824}
643 825
826static void
644static void req_destroy (aio_req req) 827req_destroy (aio_req req)
645{ 828{
646 if (req->self) 829 if (req->self)
647 { 830 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 831 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 832 SvREFCNT_dec (req->self);
650 } 833 }
651 834
652 SvREFCNT_dec (req->sv1); 835 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 836 SvREFCNT_dec (req->sv2);
837 SvREFCNT_dec (req->sv3);
838 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 839 SvREFCNT_dec (req->callback);
655 840
656 Safefree (req); 841 free (req);
657} 842}
658 843
844static void
659static void req_cancel_subs (aio_req grp) 845req_cancel_subs (aio_req grp)
660{ 846{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 847 if (grp->type != EIO_GROUP)
664 return; 848 return;
665 849
666 SvREFCNT_dec (grp->sv2); 850 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 851 grp->sv2 = 0;
668 852
669 eio_grp_cancel (grp); 853 eio_grp_cancel (grp);
670} 854}
671 855
856static void ecb_cold
672static void create_respipe (void) 857create_respipe (void)
673{ 858{
674 if (s_epipe_renew (&respipe)) 859 if (s_epipe_renew (&respipe))
675 croak ("IO::AIO: unable to initialize result pipe"); 860 croak ("IO::AIO: unable to initialize result pipe");
676} 861}
677 862
678static void poll_wait (void) 863static void
864poll_wait (void)
679{ 865{
680 while (eio_nreqs ()) 866 while (eio_nreqs ())
681 { 867 {
682 int size; 868 int size;
683 869
684 X_LOCK (reslock); 870 X_LOCK (EIO_POOL->reslock);
685 size = res_queue.size; 871 size = EIO_POOL->res_queue.size;
686 X_UNLOCK (reslock); 872 X_UNLOCK (EIO_POOL->reslock);
687 873
688 if (size) 874 if (size)
689 return; 875 return;
690 876
691 etp_maybe_start_thread (); 877 etp_maybe_start_thread (EIO_POOL);
692 878
693 s_epipe_wait (&respipe); 879 s_epipe_wait (&respipe);
694 } 880 }
695} 881}
696 882
697static int poll_cb (void) 883static int
884poll_cb (void)
698{ 885{
699 for (;;) 886 for (;;)
700 { 887 {
701 int res = eio_poll (); 888 int res = eio_poll ();
702 889
… …
708 895
709 poll_wait (); 896 poll_wait ();
710 } 897 }
711} 898}
712 899
713static void atfork_child (void) 900static void ecb_cold
901reinit (void)
714{ 902{
715 create_respipe (); 903 create_respipe ();
904
905 if (eio_init (want_poll, done_poll) < 0)
906 croak ("IO::AIO: unable to initialise eio library");
716} 907}
717 908
718/*****************************************************************************/ 909/*****************************************************************************/
719 910
720#if !_POSIX_MAPPED_FILES 911static SV *
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 mmap_free (pTHX_ SV *sv, MAGIC *mg)
737{
738 int old_errno = errno;
739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
740 errno = old_errno;
741
742 mg->mg_obj = 0; /* just in case */
743
744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
749 SvCUR_set (sv, 0);
750 SvPVX (sv) = 0;
751 SvOK_off (sv);
752
753 return 0;
754}
755
756static MGVTBL mmap_vtbl = {
757 0, 0, 0, 0, mmap_free
758};
759
760/*****************************************************************************/
761
762static SV * get_cb (SV *cb_sv) 912get_cb (SV *cb_sv)
763{ 913{
764 SvGETMAGIC (cb_sv); 914 SvGETMAGIC (cb_sv);
765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 915 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
766} 916}
767 917
918static aio_req ecb_noinline
919dreq (SV *callback)
920{
921 SV *cb_cv;
922 aio_req req;
923 int req_pri = next_pri;
924 next_pri = EIO_PRI_DEFAULT;
925
926 cb_cv = get_cb (callback);
927
928 req = calloc (sizeof (*req), 1);
929 if (!req)
930 croak ("out of memory during eio_req allocation");
931
932 req->callback = SvREFCNT_inc (cb_cv);
933 req->pri = req_pri;
934
935 return req;
936}
937
768#define dREQ \ 938#define dREQ \
769 SV *cb_cv; \ 939 aio_req req = dreq (callback); \
770 aio_req req; \
771 int req_pri = next_pri; \
772 next_pri = EIO_PRI_DEFAULT; \
773 \
774 cb_cv = get_cb (callback); \
775 \
776 Newz (0, req, 1, eio_req); \
777 if (!req) \
778 croak ("out of memory during eio_req allocation"); \
779 \
780 req->callback = SvREFCNT_inc (cb_cv); \
781 req->pri = req_pri
782 940
783#define REQ_SEND \ 941#define REQ_SEND \
784 PUTBACK; \ 942 PUTBACK; \
785 req_submit (req); \ 943 req_submit (req); \
786 SPAGAIN; \ 944 SPAGAIN; \
787 \ 945 \
788 if (GIMME_V != G_VOID) \ 946 if (GIMME_V != G_VOID) \
789 XPUSHs (req_sv (req, aio_req_stash)); 947 XPUSHs (req_sv (req, aio_req_stash));
790 948
949ecb_inline void
950req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
951{
952 if (expect_false (SvROK (path)))
953 {
954 SV *rv = SvRV (path);
955 SV *wdob;
956
957 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
958 {
959 path = AvARRAY (rv)[1];
960 wdob = AvARRAY (rv)[0];
961
962 if (SvOK (wdob))
963 {
964 *wd = SvAIO_WD (wdob);
965 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
966 }
967 else
968 *wd = EIO_INVALID_WD;
969 }
970 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
971 {
972 *wd = (aio_wd)(long)SvIVX (rv);
973 *wdsv = SvREFCNT_inc_NN (rv);
974 *ptr = ".";
975 return; /* path set to "." */
976 }
977 else
978 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
979 }
980
981 *pathsv = newSVsv (path);
982 *ptr = SvPVbyte_nolen (*pathsv);
983}
984
985static void ecb_noinline
986req_set_path1 (aio_req req, SV *path)
987{
988 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
989}
990
991static void ecb_noinline
992req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
993{
994 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
995
996 switch (SvTYPE (rv))
997 {
998 case SVt_PVIO:
999 case SVt_PVLV:
1000 case SVt_PVGV:
1001 req->type = type_fh;
1002 req->sv1 = newSVsv (fh_or_path);
1003 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1004 break;
1005
1006 default:
1007 req->type = type_path;
1008 req_set_path1 (req, fh_or_path);
1009 break;
1010 }
1011}
1012
1013/*****************************************************************************/
1014
1015static void
1016ts_set (struct timespec *ts, NV value)
1017{
1018 ts->tv_sec = value;
1019 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1020}
1021
1022static NV
1023ts_get (const struct timespec *ts)
1024{
1025 return ts->tv_sec + ts->tv_nsec * 1e-9;
1026}
1027
1028/*****************************************************************************/
1029
1030XS(boot_IO__AIO) ecb_cold;
1031
791MODULE = IO::AIO PACKAGE = IO::AIO 1032MODULE = IO::AIO PACKAGE = IO::AIO
792 1033
793PROTOTYPES: ENABLE 1034PROTOTYPES: ENABLE
794 1035
795BOOT: 1036BOOT:
… …
799 IV iv; 1040 IV iv;
800 } *civ, const_iv[] = { 1041 } *civ, const_iv[] = {
801# define const_niv(name, value) { # name, (IV) value }, 1042# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name }, 1043# define const_iv(name) { # name, (IV) name },
803# define const_eio(name) { # name, (IV) EIO_ ## name }, 1044# define const_eio(name) { # name, (IV) EIO_ ## name },
1045
1046 /* you have to re-run ./gendef0 after adding/removing any constants here */
1047 /* the first block can be undef if missing */
1048 const_iv (ENOSYS)
804 const_iv (EXDEV) 1049 const_iv (EXDEV)
805 const_iv (ENOSYS) 1050 const_iv (EBADR)
1051
1052 /* for lseek */
1053 const_iv (SEEK_DATA)
1054 const_iv (SEEK_HOLE)
1055
1056 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1057 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1058 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1059 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1060 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1061 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1062
1063 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1064 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1065 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1066 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1067 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1068
1069 /* the second block will be 0 when missing */
1070 const_iv (O_ACCMODE)
1071
806 const_iv (O_RDONLY) 1072 const_iv (O_RDONLY)
807 const_iv (O_WRONLY) 1073 const_iv (O_WRONLY)
808 const_iv (O_RDWR) 1074 const_iv (O_RDWR)
809 const_iv (O_CREAT) 1075 const_iv (O_CREAT)
810 const_iv (O_TRUNC) 1076 const_iv (O_TRUNC)
… …
823 const_iv (O_SEARCH) 1089 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY) 1090 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC) 1091 const_iv (O_DSYNC)
826 const_iv (O_RSYNC) 1092 const_iv (O_RSYNC)
827 const_iv (O_SYNC) 1093 const_iv (O_SYNC)
1094 const_iv (O_PATH)
1095 const_iv (O_TMPFILE)
828 const_iv (O_TTY_INIT) 1096 const_iv (O_TTY_INIT)
829 1097
830 const_iv (S_IFIFO) 1098 const_iv (S_IFIFO)
831 const_iv (S_IFCHR) 1099 const_iv (S_IFCHR)
832 const_iv (S_IFBLK) 1100 const_iv (S_IFBLK)
… …
834 const_iv (S_IFREG) 1102 const_iv (S_IFREG)
835 const_iv (S_IFDIR) 1103 const_iv (S_IFDIR)
836 const_iv (S_IFWHT) 1104 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK) 1105 const_iv (S_IFSOCK)
838 const_iv (S_IFMT) 1106 const_iv (S_IFMT)
839
840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
846
847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
852 1107
853 const_iv (ST_RDONLY) 1108 const_iv (ST_RDONLY)
854 const_iv (ST_NOSUID) 1109 const_iv (ST_NOSUID)
855 const_iv (ST_NODEV) 1110 const_iv (ST_NODEV)
856 const_iv (ST_NOEXEC) 1111 const_iv (ST_NOEXEC)
… …
866 const_iv (PROT_NONE) 1121 const_iv (PROT_NONE)
867 const_iv (PROT_EXEC) 1122 const_iv (PROT_EXEC)
868 const_iv (PROT_READ) 1123 const_iv (PROT_READ)
869 const_iv (PROT_WRITE) 1124 const_iv (PROT_WRITE)
870 1125
871 /*const_iv (MAP_FIXED)*/
872 const_iv (MAP_PRIVATE) 1126 const_iv (MAP_PRIVATE)
873 const_iv (MAP_SHARED) 1127 const_iv (MAP_SHARED)
1128 const_iv (MAP_FIXED)
874 const_iv (MAP_ANONYMOUS) 1129 const_iv (MAP_ANONYMOUS)
875 1130
876 /* linuxish */ 1131 /* linuxish */
877 const_iv (MAP_HUGETLB)
878 const_iv (MAP_LOCKED) 1132 const_iv (MAP_LOCKED)
879 const_iv (MAP_NORESERVE) 1133 const_iv (MAP_NORESERVE)
880 const_iv (MAP_POPULATE) 1134 const_iv (MAP_POPULATE)
881 const_iv (MAP_NONBLOCK) 1135 const_iv (MAP_NONBLOCK)
1136 const_iv (MAP_GROWSDOWN)
1137 const_iv (MAP_32BIT)
1138 const_iv (MAP_HUGETLB)
1139 const_iv (MAP_STACK)
1140
1141 const_iv (MREMAP_MAYMOVE)
1142 const_iv (MREMAP_FIXED)
1143
1144 const_iv (F_DUPFD_CLOEXEC)
1145
1146 const_iv (MSG_CMSG_CLOEXEC)
1147 const_iv (SOCK_CLOEXEC)
1148
1149 const_iv (F_OFD_GETLK)
1150 const_iv (F_OFD_SETLK)
1151 const_iv (F_OFD_GETLKW)
1152
1153 const_iv (FIFREEZE)
1154 const_iv (FITHAW)
1155 const_iv (FITRIM)
1156 const_iv (FICLONE)
1157 const_iv (FICLONERANGE)
1158 const_iv (FIDEDUPERANGE)
1159
1160 const_iv (FS_IOC_GETFLAGS)
1161 const_iv (FS_IOC_SETFLAGS)
1162 const_iv (FS_IOC_GETVERSION)
1163 const_iv (FS_IOC_SETVERSION)
1164 const_iv (FS_IOC_FIEMAP)
1165 const_iv (FS_IOC_FSGETXATTR)
1166 const_iv (FS_IOC_FSSETXATTR)
1167 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1168 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1169 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1170
1171 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1172
1173 const_iv (FS_SECRM_FL)
1174 const_iv (FS_UNRM_FL)
1175 const_iv (FS_COMPR_FL)
1176 const_iv (FS_SYNC_FL)
1177 const_iv (FS_IMMUTABLE_FL)
1178 const_iv (FS_APPEND_FL)
1179 const_iv (FS_NODUMP_FL)
1180 const_iv (FS_NOATIME_FL)
1181 const_iv (FS_DIRTY_FL)
1182 const_iv (FS_COMPRBLK_FL)
1183 const_iv (FS_NOCOMP_FL)
1184 const_iv (FS_ENCRYPT_FL)
1185 const_iv (FS_BTREE_FL)
1186 const_iv (FS_INDEX_FL)
1187 const_iv (FS_JOURNAL_DATA_FL)
1188 const_iv (FS_NOTAIL_FL)
1189 const_iv (FS_DIRSYNC_FL)
1190 const_iv (FS_TOPDIR_FL)
1191 const_iv (FS_FL_USER_MODIFIABLE)
1192
1193 const_iv (FS_XFLAG_REALTIME)
1194 const_iv (FS_XFLAG_PREALLOC)
1195 const_iv (FS_XFLAG_IMMUTABLE)
1196 const_iv (FS_XFLAG_APPEND)
1197 const_iv (FS_XFLAG_SYNC)
1198 const_iv (FS_XFLAG_NOATIME)
1199 const_iv (FS_XFLAG_NODUMP)
1200 const_iv (FS_XFLAG_RTINHERIT)
1201 const_iv (FS_XFLAG_PROJINHERIT)
1202 const_iv (FS_XFLAG_NOSYMLINKS)
1203 const_iv (FS_XFLAG_EXTSIZE)
1204 const_iv (FS_XFLAG_EXTSZINHERIT)
1205 const_iv (FS_XFLAG_NODEFRAG)
1206 const_iv (FS_XFLAG_FILESTREAM)
1207 const_iv (FS_XFLAG_DAX)
1208 const_iv (FS_XFLAG_HASATTR)
1209
1210 const_iv (FIEMAP_FLAG_SYNC)
1211 const_iv (FIEMAP_FLAG_XATTR)
1212 const_iv (FIEMAP_FLAGS_COMPAT)
1213 const_iv (FIEMAP_EXTENT_LAST)
1214 const_iv (FIEMAP_EXTENT_UNKNOWN)
1215 const_iv (FIEMAP_EXTENT_DELALLOC)
1216 const_iv (FIEMAP_EXTENT_ENCODED)
1217 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1218 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1219 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1220 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1221 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1222 const_iv (FIEMAP_EXTENT_MERGED)
1223 const_iv (FIEMAP_EXTENT_SHARED)
1224
1225 const_iv (SPLICE_F_MOVE)
1226 const_iv (SPLICE_F_NONBLOCK)
1227 const_iv (SPLICE_F_MORE)
1228 const_iv (SPLICE_F_GIFT)
1229
1230 const_iv (EFD_CLOEXEC)
1231 const_iv (EFD_NONBLOCK)
1232 const_iv (EFD_SEMAPHORE)
1233
1234 const_iv (CLOCK_REALTIME)
1235 const_iv (CLOCK_MONOTONIC)
1236 const_iv (CLOCK_BOOTTIME)
1237 const_iv (CLOCK_REALTIME_ALARM)
1238 const_iv (CLOCK_BOOTTIME_ALARM)
1239
1240 const_iv (TFD_NONBLOCK)
1241 const_iv (TFD_CLOEXEC)
1242
1243 const_iv (TFD_TIMER_ABSTIME)
1244 const_iv (TFD_TIMER_CANCEL_ON_SET)
1245
1246 /* these are libeio constants, and are independent of gendef0 */
1247 const_eio (SEEK_SET)
1248 const_eio (SEEK_CUR)
1249 const_eio (SEEK_END)
882 1250
883 const_eio (MCL_FUTURE) 1251 const_eio (MCL_FUTURE)
884 const_eio (MCL_CURRENT) 1252 const_eio (MCL_CURRENT)
885 1253
886 const_eio (MS_ASYNC) 1254 const_eio (MS_ASYNC)
… …
892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1260 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
893 const_eio (SYNC_FILE_RANGE_WRITE) 1261 const_eio (SYNC_FILE_RANGE_WRITE)
894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1262 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895 1263
896 const_eio (FALLOC_FL_KEEP_SIZE) 1264 const_eio (FALLOC_FL_KEEP_SIZE)
1265 const_eio (FALLOC_FL_PUNCH_HOLE)
1266 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1267 const_eio (FALLOC_FL_ZERO_RANGE)
1268 const_eio (FALLOC_FL_INSERT_RANGE)
1269 const_eio (FALLOC_FL_UNSHARE_RANGE)
1270
1271 const_eio (RENAME_NOREPLACE)
1272 const_eio (RENAME_EXCHANGE)
1273 const_eio (RENAME_WHITEOUT)
897 1274
898 const_eio (READDIR_DENTS) 1275 const_eio (READDIR_DENTS)
899 const_eio (READDIR_DIRS_FIRST) 1276 const_eio (READDIR_DIRS_FIRST)
900 const_eio (READDIR_STAT_ORDER) 1277 const_eio (READDIR_STAT_ORDER)
901 const_eio (READDIR_FOUND_UNKNOWN) 1278 const_eio (READDIR_FOUND_UNKNOWN)
… …
912 }; 1289 };
913 1290
914 aio_stash = gv_stashpv ("IO::AIO" , 1); 1291 aio_stash = gv_stashpv ("IO::AIO" , 1);
915 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1292 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1293 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1294 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
917 1295
918 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1296 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1297 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920 1298
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1299 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922 1300
923 create_respipe (); 1301 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} 1302}
1303
1304void
1305reinit ()
1306 PROTOTYPE:
931 1307
932void 1308void
933max_poll_reqs (unsigned int nreqs) 1309max_poll_reqs (unsigned int nreqs)
934 PROTOTYPE: $ 1310 PROTOTYPE: $
935 CODE: 1311 CODE:
… …
970 PROTOTYPE: $ 1346 PROTOTYPE: $
971 CODE: 1347 CODE:
972 max_outstanding = maxreqs; 1348 max_outstanding = maxreqs;
973 1349
974void 1350void
975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1351aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976 PPCODE: 1352 PPCODE:
977{ 1353{
978 dREQ; 1354 dREQ;
979 1355
1356 req->type = EIO_WD_OPEN;
1357 req_set_path1 (req, pathname);
1358
1359 REQ_SEND;
1360}
1361
1362void
1363aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1364 PPCODE:
1365{
1366 dREQ;
1367
980 req->type = EIO_OPEN; 1368 req->type = EIO_OPEN;
981 req->sv1 = newSVsv (pathname); 1369 req_set_path1 (req, pathname);
982 req->ptr1 = SvPVbyte_nolen (req->sv1);
983 req->int1 = flags; 1370 req->int1 = flags;
984 req->int2 = mode; 1371 req->int2 = mode;
985 1372
986 REQ_SEND; 1373 REQ_SEND;
987} 1374}
988 1375
989void 1376void
990aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1377aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991 ALIAS: 1378 ALIAS:
992 aio_fsync = EIO_FSYNC 1379 aio_fsync = EIO_FSYNC
993 aio_fdatasync = EIO_FDATASYNC 1380 aio_fdatasync = EIO_FDATASYNC
1381 aio_syncfs = EIO_SYNCFS
994 PPCODE: 1382 PPCODE:
995{ 1383{
996 int fd = s_fileno_croak (fh, 0); 1384 int fd = s_fileno_croak (fh, 0);
997 dREQ; 1385 dREQ;
998 1386
999 req->type = ix; 1387 req->type = ix;
1000 req->sv1 = newSVsv (fh); 1388 req->sv1 = newSVsv (fh);
1001 req->int1 = fd; 1389 req->int1 = fd;
1002 1390
1003 REQ_SEND (req); 1391 REQ_SEND;
1004} 1392}
1005 1393
1006void 1394void
1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1395aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1008 PPCODE: 1396 PPCODE:
1009{ 1397{
1010 int fd = s_fileno_croak (fh, 0); 1398 int fd = s_fileno_croak (fh, 0);
1011 dREQ; 1399 dREQ;
1012 1400
1013 req->type = EIO_SYNC_FILE_RANGE; 1401 req->type = EIO_SYNC_FILE_RANGE;
1014 req->sv1 = newSVsv (fh); 1402 req->sv1 = newSVsv (fh);
1015 req->int1 = fd; 1403 req->int1 = fd;
1016 req->offs = offset; 1404 req->offs = offset;
1017 req->size = nbytes; 1405 req->size = nbytes;
1018 req->int2 = flags; 1406 req->int2 = flags;
1019 1407
1020 REQ_SEND (req); 1408 REQ_SEND;
1021} 1409}
1022 1410
1023void 1411void
1024aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1412aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025 PPCODE: 1413 PPCODE:
1026{ 1414{
1027 int fd = s_fileno_croak (fh, 0); 1415 int fd = s_fileno_croak (fh, 0);
1028 dREQ; 1416 dREQ;
1029 1417
1030 req->type = EIO_FALLOCATE; 1418 req->type = EIO_FALLOCATE;
1031 req->sv1 = newSVsv (fh); 1419 req->sv1 = newSVsv (fh);
1032 req->int1 = fd; 1420 req->int1 = fd;
1033 req->int2 = mode; 1421 req->int2 = mode;
1034 req->offs = offset; 1422 req->offs = offset;
1035 req->size = len; 1423 req->size = len;
1036 1424
1037 REQ_SEND (req); 1425 REQ_SEND;
1038} 1426}
1039 1427
1040void 1428void
1041aio_close (SV *fh, SV *callback=&PL_sv_undef) 1429aio_close (SV *fh, SV *callback = &PL_sv_undef)
1042 PPCODE: 1430 PPCODE:
1043{ 1431{
1044 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1432 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1045 int fd = s_fileno_croak (fh, 0); 1433 int fd = s_fileno_croak (fh, 0);
1046 dREQ; 1434 dREQ;
1047 1435
1048 if (close_pipe < 0) 1436 if (expect_false (close_fd < 0))
1049 { 1437 {
1050 int pipefd [2]; 1438 int pipefd [2];
1051 1439
1440 if (
1441#ifdef _WIN32
1442 _pipe (pipefd, 1, _O_BINARY) < 0
1443#else
1052 if (pipe (pipefd) < 0 1444 pipe (pipefd) < 0
1053 || close (pipefd [1]) < 0
1054 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1445 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1446#endif
1447 || close (pipefd [1]) < 0
1448 )
1055 abort (); /*D*/ 1449 abort (); /*D*/
1056 1450
1057 close_pipe = pipefd [0]; 1451 close_fd = pipefd [0];
1058 } 1452 }
1059 1453
1060 req->type = EIO_DUP2; 1454 req->type = EIO_DUP2;
1061 req->int1 = close_pipe; 1455 req->int1 = close_fd;
1062 req->sv2 = newSVsv (fh); 1456 req->sv2 = newSVsv (fh);
1063 req->int2 = fd; 1457 req->int2 = fd;
1064 1458
1065 REQ_SEND (req); 1459 REQ_SEND;
1066} 1460}
1067 1461
1068void 1462void
1463aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1464 PPCODE:
1465{
1466 int fd = s_fileno_croak (fh, 0);
1467 dREQ;
1468
1469 req->type = EIO_SEEK;
1470 req->sv1 = newSVsv (fh);
1471 req->int1 = fd;
1472 req->offs = SvVAL64 (offset);
1473 req->int2 = whence;
1474
1475 REQ_SEND;
1476}
1477
1478void
1069aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1479aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1070 ALIAS: 1480 ALIAS:
1071 aio_read = EIO_READ 1481 aio_read = EIO_READ
1072 aio_write = EIO_WRITE 1482 aio_write = EIO_WRITE
1073 PPCODE: 1483 PPCODE:
1074{ 1484{
… …
1090 len = svlen - dataoffset; 1500 len = svlen - dataoffset;
1091 } 1501 }
1092 else 1502 else
1093 { 1503 {
1094 /* read: check type and grow scalar as necessary */ 1504 /* read: check type and grow scalar as necessary */
1095 SvUPGRADE (data, SVt_PV); 1505 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1096 svptr = SvGROW (data, len + dataoffset + 1); 1506 svptr = sv_grow (data, len + dataoffset + 1);
1507 else if (SvCUR (data) < len + dataoffset)
1508 croak ("length + dataoffset outside of scalar, and cannot grow");
1097 } 1509 }
1098 1510
1099 { 1511 {
1100 dREQ; 1512 dREQ;
1101 1513
… …
1117 REQ_SEND; 1529 REQ_SEND;
1118 } 1530 }
1119} 1531}
1120 1532
1121void 1533void
1534aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1535 ALIAS:
1536 aio_ioctl = EIO_IOCTL
1537 aio_fcntl = EIO_FCNTL
1538 PPCODE:
1539{
1540 int fd = s_fileno_croak (fh, 0);
1541 char *svptr;
1542
1543 if (SvPOK (arg) || !SvNIOK (arg))
1544 {
1545 STRLEN svlen;
1546 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1547#ifdef IOCPARM_LEN
1548 STRLEN need = IOCPARM_LEN (request);
1549#else
1550 STRLEN need = 256;
1551#endif
1552
1553 if (svlen < need)
1554 svptr = SvGROW (arg, need);
1555 }
1556 else
1557 svptr = (char *)SvIV (arg);
1558
1559 {
1560 dREQ;
1561
1562 req->type = ix;
1563 req->sv1 = newSVsv (fh);
1564 req->int1 = fd;
1565 req->int2 = (long)request;
1566 req->sv2 = SvREFCNT_inc (arg);
1567 req->ptr2 = svptr;
1568
1569 REQ_SEND;
1570 }
1571}
1572
1573void
1122aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1574aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1123 ALIAS: 1575 ALIAS:
1124 aio_readlink = EIO_READLINK 1576 aio_readlink = EIO_READLINK
1125 aio_realpath = EIO_REALPATH 1577 aio_realpath = EIO_REALPATH
1126 PPCODE: 1578 PPCODE:
1127{ 1579{
1128 SV *data;
1129 dREQ; 1580 dREQ;
1130 1581
1131 req->type = ix; 1582 req->type = ix;
1132 req->sv1 = newSVsv (path); 1583 req_set_path1 (req, pathname);
1133 req->ptr1 = SvPVbyte_nolen (req->sv1);
1134 1584
1135 REQ_SEND; 1585 REQ_SEND;
1136} 1586}
1137 1587
1138void 1588void
1139aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1589aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1140 PPCODE: 1590 PPCODE:
1141{ 1591{
1142 int ifd = s_fileno_croak (in_fh , 0); 1592 int ifd = s_fileno_croak (in_fh , 0);
1143 int ofd = s_fileno_croak (out_fh, 1); 1593 int ofd = s_fileno_croak (out_fh, 1);
1144 dREQ; 1594 dREQ;
1145 1595
1146 req->type = EIO_SENDFILE; 1596 req->type = EIO_SENDFILE;
1147 req->sv1 = newSVsv (out_fh); 1597 req->sv1 = newSVsv (out_fh);
1148 req->int1 = ofd; 1598 req->int1 = ofd;
… …
1153 1603
1154 REQ_SEND; 1604 REQ_SEND;
1155} 1605}
1156 1606
1157void 1607void
1158aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1608aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1159 PPCODE: 1609 PPCODE:
1160{ 1610{
1161 int fd = s_fileno_croak (fh, 0); 1611 int fd = s_fileno_croak (fh, 0);
1162 dREQ; 1612 dREQ;
1163 1613
1164 req->type = EIO_READAHEAD; 1614 req->type = EIO_READAHEAD;
1165 req->sv1 = newSVsv (fh); 1615 req->sv1 = newSVsv (fh);
1166 req->int1 = fd; 1616 req->int1 = fd;
… …
1169 1619
1170 REQ_SEND; 1620 REQ_SEND;
1171} 1621}
1172 1622
1173void 1623void
1174aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1624aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1175 ALIAS: 1625 ALIAS:
1176 aio_stat = EIO_STAT 1626 aio_stat = EIO_STAT
1177 aio_lstat = EIO_LSTAT 1627 aio_lstat = EIO_LSTAT
1178 aio_statvfs = EIO_STATVFS 1628 aio_statvfs = EIO_STATVFS
1179 PPCODE: 1629 PPCODE:
1180{ 1630{
1181 dREQ; 1631 dREQ;
1182 1632
1183 req->sv1 = newSVsv (fh_or_path); 1633 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1184
1185 if (SvPOK (req->sv1))
1186 {
1187 req->type = ix;
1188 req->ptr1 = SvPVbyte_nolen (req->sv1);
1189 }
1190 else
1191 {
1192 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1193 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1194 }
1195 1634
1196 REQ_SEND; 1635 REQ_SEND;
1197} 1636}
1637
1638void
1639st_xtime ()
1640 ALIAS:
1641 st_atime = 1
1642 st_mtime = 2
1643 st_ctime = 4
1644 st_xtime = 7
1645 PPCODE:
1646 EXTEND (SP, 3);
1647 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1648 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1649 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1650
1651void
1652st_xtimensec ()
1653 ALIAS:
1654 st_atimensec = 1
1655 st_mtimensec = 2
1656 st_ctimensec = 4
1657 st_xtimensec = 7
1658 PPCODE:
1659 EXTEND (SP, 3);
1660 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1661 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1662 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1198 1663
1199UV 1664UV
1200major (UV dev) 1665major (UV dev)
1201 ALIAS: 1666 ALIAS:
1202 minor = 1 1667 minor = 1
1203 CODE: 1668 CODE:
1204 RETVAL = ix ? major (dev) : minor (dev); 1669 RETVAL = ix ? minor (dev) : major (dev);
1205 OUTPUT: 1670 OUTPUT:
1206 RETVAL 1671 RETVAL
1207 1672
1208UV 1673UV
1209makedev (UV maj, UV min) 1674makedev (UV maj, UV min)
… …
1211 RETVAL = makedev (maj, min); 1676 RETVAL = makedev (maj, min);
1212 OUTPUT: 1677 OUTPUT:
1213 RETVAL 1678 RETVAL
1214 1679
1215void 1680void
1216aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1681aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1217 PPCODE: 1682 PPCODE:
1218{ 1683{
1219 dREQ; 1684 dREQ;
1220 1685
1221 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1686 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1222 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1687 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1223 req->sv1 = newSVsv (fh_or_path); 1688 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1224
1225 if (SvPOK (req->sv1))
1226 {
1227 req->type = EIO_UTIME;
1228 req->ptr1 = SvPVbyte_nolen (req->sv1);
1229 }
1230 else
1231 {
1232 req->type = EIO_FUTIME;
1233 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1234 }
1235 1689
1236 REQ_SEND; 1690 REQ_SEND;
1237} 1691}
1238 1692
1239void 1693void
1240aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1694aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1241 PPCODE: 1695 PPCODE:
1242{ 1696{
1243 dREQ; 1697 dREQ;
1244 1698
1245 req->sv1 = newSVsv (fh_or_path);
1246 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1699 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1247 1700 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1248 if (SvPOK (req->sv1))
1249 {
1250 req->type = EIO_TRUNCATE;
1251 req->ptr1 = SvPVbyte_nolen (req->sv1);
1252 }
1253 else
1254 {
1255 req->type = EIO_FTRUNCATE;
1256 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1257 }
1258 1701
1259 REQ_SEND; 1702 REQ_SEND;
1260} 1703}
1261 1704
1262void 1705void
1263aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1706aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1264 ALIAS:
1265 aio_chmod = EIO_CHMOD
1266 aio_mkdir = EIO_MKDIR
1267 PPCODE: 1707 PPCODE:
1268{ 1708{
1269 dREQ; 1709 dREQ;
1270 1710
1271 req->int2 = mode; 1711 req->int2 = mode;
1272 req->sv1 = newSVsv (fh_or_path); 1712 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1273
1274 if (SvPOK (req->sv1))
1275 {
1276 req->type = ix;
1277 req->ptr1 = SvPVbyte_nolen (req->sv1);
1278 }
1279 else
1280 {
1281 req->type = EIO_FCHMOD;
1282 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1283 }
1284 1713
1285 REQ_SEND; 1714 REQ_SEND;
1286} 1715}
1287 1716
1288void 1717void
1289aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1718aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1290 PPCODE: 1719 PPCODE:
1291{ 1720{
1292 dREQ; 1721 dREQ;
1293 1722
1294 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1723 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1295 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1724 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1296 req->sv1 = newSVsv (fh_or_path); 1725 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1297
1298 if (SvPOK (req->sv1))
1299 {
1300 req->type = EIO_CHOWN;
1301 req->ptr1 = SvPVbyte_nolen (req->sv1);
1302 }
1303 else
1304 {
1305 req->type = EIO_FCHOWN;
1306 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1307 }
1308 1726
1309 REQ_SEND; 1727 REQ_SEND;
1310} 1728}
1311 1729
1312void 1730void
1313aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1731aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1314 PPCODE: 1732 PPCODE:
1315{ 1733{
1316 dREQ; 1734 dREQ;
1317 1735
1318 req->type = EIO_READDIR; 1736 req->type = EIO_READDIR;
1319 req->sv1 = newSVsv (pathname);
1320 req->ptr1 = SvPVbyte_nolen (req->sv1);
1321 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1737 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1322 1738
1323 if (flags & EIO_READDIR_DENTS) 1739 if (flags & EIO_READDIR_DENTS)
1324 req->int1 |= EIO_READDIR_CUSTOM2; 1740 req->int1 |= EIO_READDIR_CUSTOM2;
1325 1741
1742 req_set_path1 (req, pathname);
1743
1326 REQ_SEND; 1744 REQ_SEND;
1327} 1745}
1328 1746
1329void 1747void
1748aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1749 PPCODE:
1750{
1751 dREQ;
1752
1753 req->type = EIO_MKDIR;
1754 req->int2 = mode;
1755 req_set_path1 (req, pathname);
1756
1757 REQ_SEND;
1758}
1759
1760void
1330aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1761aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1331 ALIAS: 1762 ALIAS:
1332 aio_unlink = EIO_UNLINK 1763 aio_unlink = EIO_UNLINK
1333 aio_rmdir = EIO_RMDIR 1764 aio_rmdir = EIO_RMDIR
1334 aio_readdir = EIO_READDIR 1765 aio_readdir = EIO_READDIR
1335 PPCODE: 1766 PPCODE:
1336{ 1767{
1337 dREQ; 1768 dREQ;
1338 1769
1339 req->type = ix; 1770 req->type = ix;
1340 req->sv1 = newSVsv (pathname); 1771 req_set_path1 (req, pathname);
1341 req->ptr1 = SvPVbyte_nolen (req->sv1);
1342 1772
1343 REQ_SEND; 1773 REQ_SEND;
1344} 1774}
1345 1775
1346void 1776void
1347aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1777aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1348 ALIAS: 1778 ALIAS:
1349 aio_link = EIO_LINK 1779 aio_link = EIO_LINK
1350 aio_symlink = EIO_SYMLINK 1780 aio_symlink = EIO_SYMLINK
1351 aio_rename = EIO_RENAME 1781 aio_rename = EIO_RENAME
1352 PPCODE: 1782 PPCODE:
1353{ 1783{
1784 eio_wd wd2 = 0;
1354 dREQ; 1785 dREQ;
1355 1786
1356 req->type = ix; 1787 req->type = ix;
1357 req->sv1 = newSVsv (oldpath); 1788 req_set_path1 (req, oldpath);
1358 req->ptr1 = SvPVbyte_nolen (req->sv1); 1789 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1359 req->sv2 = newSVsv (newpath); 1790 req->int3 = (long)wd2;
1360 req->ptr2 = SvPVbyte_nolen (req->sv2);
1361 1791
1362 REQ_SEND; 1792 REQ_SEND;
1363} 1793}
1364 1794
1365void 1795void
1796aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1797 PPCODE:
1798{
1799 eio_wd wd2 = 0;
1800 dREQ;
1801
1802 req->type = EIO_RENAME;
1803 req_set_path1 (req, oldpath);
1804 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1805 req->int2 = flags;
1806 req->int3 = (long)wd2;
1807
1808 REQ_SEND;
1809}
1810
1811void
1366aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1812aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1367 PPCODE: 1813 PPCODE:
1368{ 1814{
1369 dREQ; 1815 dREQ;
1370 1816
1371 req->type = EIO_MKNOD; 1817 req->type = EIO_MKNOD;
1372 req->sv1 = newSVsv (pathname);
1373 req->ptr1 = SvPVbyte_nolen (req->sv1);
1374 req->int2 = (mode_t)mode; 1818 req->int2 = (mode_t)mode;
1375 req->offs = dev; 1819 req->offs = dev;
1820 req_set_path1 (req, pathname);
1376 1821
1377 REQ_SEND; 1822 REQ_SEND;
1378} 1823}
1379 1824
1380void 1825void
1381aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1826aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1382 ALIAS: 1827 ALIAS:
1383 aio_mtouch = EIO_MTOUCH 1828 aio_mtouch = EIO_MTOUCH
1384 aio_msync = EIO_MSYNC 1829 aio_msync = EIO_MSYNC
1385 PPCODE: 1830 PPCODE:
1386{ 1831{
1387 STRLEN svlen; 1832 STRLEN svlen;
1388 char *svptr = SvPVbyte (data, svlen); 1833 char *svptr = SvPVbyte (data, svlen);
1389 UV len = SvUV (length); 1834 UV len = SvUV (length);
1835
1836 if (flags < 0)
1837 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1390 1838
1391 if (offset < 0) 1839 if (offset < 0)
1392 offset += svlen; 1840 offset += svlen;
1393 1841
1394 if (offset < 0 || offset > svlen) 1842 if (offset < 0 || offset > svlen)
… …
1409 REQ_SEND; 1857 REQ_SEND;
1410 } 1858 }
1411} 1859}
1412 1860
1413void 1861void
1414aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1862aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1415 PPCODE: 1863 PPCODE:
1416{ 1864{
1417 STRLEN svlen; 1865 STRLEN svlen;
1418 char *svptr = SvPVbyte (data, svlen); 1866 char *svptr = SvPVbyte (data, svlen);
1419 UV len = SvUV (length); 1867 UV len = SvUV (length);
… …
1438 REQ_SEND; 1886 REQ_SEND;
1439 } 1887 }
1440} 1888}
1441 1889
1442void 1890void
1443aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1891aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1444 PPCODE: 1892 PPCODE:
1445{ 1893{
1446 dREQ; 1894 dREQ;
1447 1895
1448 req->type = EIO_MLOCKALL; 1896 req->type = EIO_MLOCKALL;
… …
1450 1898
1451 REQ_SEND; 1899 REQ_SEND;
1452} 1900}
1453 1901
1454void 1902void
1903aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1904 PPCODE:
1905{
1906 int fd = s_fileno_croak (fh, 0);
1907 dREQ;
1908
1909 req->type = EIO_CUSTOM;
1910 req->sv1 = newSVsv (fh);
1911 req->int1 = fd;
1912
1913 req->feed = fiemap;
1914#if HAVE_FIEMAP
1915 /* keep our fingers crossed that the next two types are 64 bit */
1916 req->offs = start;
1917 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1918 req->int2 = flags;
1919 req->int3 = SvOK (count) ? SvIV (count) : -1;
1920#endif
1921
1922 REQ_SEND;
1923}
1924
1925void
1926aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1927 PPCODE:
1928{
1929 char *svptr = 0;
1930
1931 sv_clear_foreign (data);
1932
1933 if (length) /* known length, directly read into scalar */
1934 {
1935 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1936 svptr = sv_grow (data, length + 1);
1937 else if (SvCUR (data) < length)
1938 croak ("length outside of scalar, and cannot grow");
1939 else
1940 svptr = SvPVbyte_nolen (data);
1941 }
1942
1943 {
1944 dREQ;
1945
1946 req->type = EIO_SLURP;
1947 req_set_path1 (req, pathname);
1948 req->offs = offset;
1949 req->size = length;
1950 req->sv2 = SvREFCNT_inc (data);
1951 req->ptr2 = svptr;
1952
1953 if (!SvREADONLY (data))
1954 {
1955 SvREADONLY_on (data);
1956 req->flags |= FLAG_SV2_RO_OFF;
1957 }
1958
1959 REQ_SEND;
1960 }
1961}
1962
1963void
1455aio_busy (double delay, SV *callback=&PL_sv_undef) 1964aio_busy (double delay, SV *callback = &PL_sv_undef)
1456 PPCODE: 1965 PPCODE:
1457{ 1966{
1458 dREQ; 1967 dREQ;
1459 1968
1460 req->type = EIO_BUSY; 1969 req->type = EIO_BUSY;
… …
1462 1971
1463 REQ_SEND; 1972 REQ_SEND;
1464} 1973}
1465 1974
1466void 1975void
1467aio_group (SV *callback=&PL_sv_undef) 1976aio_group (SV *callback = &PL_sv_undef)
1468 PPCODE: 1977 PPCODE:
1469{ 1978{
1470 dREQ; 1979 dREQ;
1471 1980
1472 req->type = EIO_GROUP; 1981 req->type = EIO_GROUP;
1473 1982
1983 PUTBACK;
1474 req_submit (req); 1984 req_submit (req);
1985 SPAGAIN;
1986
1475 XPUSHs (req_sv (req, aio_grp_stash)); 1987 XPUSHs (req_sv (req, aio_grp_stash));
1476} 1988}
1477 1989
1478void 1990void
1479aio_nop (SV *callback=&PL_sv_undef) 1991aio_nop (SV *callback = &PL_sv_undef)
1480 ALIAS: 1992 ALIAS:
1481 aio_nop = EIO_NOP 1993 aio_nop = EIO_NOP
1482 aio_sync = EIO_SYNC 1994 aio_sync = EIO_SYNC
1483 PPCODE: 1995 PPCODE:
1484{ 1996{
… …
1488 2000
1489 REQ_SEND; 2001 REQ_SEND;
1490} 2002}
1491 2003
1492int 2004int
1493aioreq_pri (int pri = 0) 2005aioreq_pri (int pri = NO_INIT)
1494 CODE: 2006 CODE:
1495 RETVAL = next_pri; 2007 RETVAL = next_pri;
1496 if (items > 0) 2008 if (items > 0)
1497 { 2009 {
1498 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2010 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1580 CODE: 2092 CODE:
1581 RETVAL = posix_fadvise (fh, offset, length, advice); 2093 RETVAL = posix_fadvise (fh, offset, length, advice);
1582 OUTPUT: 2094 OUTPUT:
1583 RETVAL 2095 RETVAL
1584 2096
1585ssize_t 2097IV
1586sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2098sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1587 CODE: 2099 CODE:
1588 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2100 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1589 OUTPUT: 2101 OUTPUT:
1590 RETVAL 2102 RETVAL
1591 2103
1592void 2104void
1593mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2105mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1594 PPCODE: 2106 PPCODE:
1595 sv_unmagic (scalar, MMAP_MAGIC); 2107 sv_clear_foreign (scalar);
1596{ 2108{
1597 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2109 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1598 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2110 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1599 if (addr == (void *)-1) 2111 if (addr == (void *)-1)
1600 XSRETURN_NO; 2112 XSRETURN_NO;
1601 2113
1602 sv_force_normal (scalar); 2114 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1603
1604 /* we store the length in mg_obj, as namlen is I32 :/ */
1605 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1606 ->mg_obj = (SV *)length;
1607
1608 SvUPGRADE (scalar, SVt_PV); /* nop... */
1609 2115
1610 if (!(prot & PROT_WRITE)) 2116 if (!(prot & PROT_WRITE))
1611 SvREADONLY_on (scalar); 2117 SvREADONLY_on (scalar);
1612 2118
1613 if (SvLEN (scalar))
1614 Safefree (SvPVX (scalar));
1615
1616 SvPVX (scalar) = (char *)addr;
1617 SvCUR_set (scalar, length);
1618 SvLEN_set (scalar, 0);
1619 SvPOK_only (scalar);
1620
1621 XSRETURN_YES; 2119 XSRETURN_YES;
1622} 2120}
1623 2121
1624void 2122void
1625munmap (SV *scalar) 2123munmap (SV *scalar)
1626 CODE: 2124 CODE:
1627 sv_unmagic (scalar, MMAP_MAGIC); 2125 sv_clear_foreign (scalar);
2126
2127SV *
2128mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2129 CODE:
2130{
2131 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2132 void *new;
2133
2134 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2135 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2136
2137 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2138
2139 RETVAL = &PL_sv_no;
2140
2141 if (new != (void *)-1)
2142 {
2143 RETVAL = new == (void *)mg->mg_ptr
2144 ? newSVpvn ("0 but true", 10)
2145 : &PL_sv_yes;
2146
2147 mg->mg_ptr = (char *)new;
2148 mg->mg_obj = (SV *)new_length;
2149
2150 SvPVX (scalar) = mg->mg_ptr;
2151 SvCUR_set (scalar, new_length);
2152 }
2153}
2154 OUTPUT:
2155 RETVAL
1628 2156
1629int 2157int
1630madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2158madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1631 ALIAS: 2159 ALIAS:
1632 mprotect = 1 2160 mprotect = 1
1633 CODE: 2161 CODE:
1634{ 2162{
1635 STRLEN svlen; 2163 STRLEN svlen;
1636 void *addr = SvPVbyte (scalar, svlen); 2164 void *addr = SvPVbyte (scalar, svlen);
1637 size_t len = SvUV (length); 2165 STRLEN len = SvUV (length);
1638 2166
1639 if (offset < 0) 2167 if (offset < 0)
1640 offset += svlen; 2168 offset += svlen;
1641 2169
1642 if (offset < 0 || offset > svlen) 2170 if (offset < 0 || offset > svlen)
… …
1656} 2184}
1657 OUTPUT: 2185 OUTPUT:
1658 RETVAL 2186 RETVAL
1659 2187
1660int 2188int
1661munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2189munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1662 CODE: 2190 CODE:
1663{ 2191{
1664 STRLEN svlen; 2192 STRLEN svlen;
1665 void *addr = SvPVbyte (scalar, svlen); 2193 void *addr = SvPVbyte (scalar, svlen);
1666 size_t len = SvUV (length); 2194 size_t len = SvUV (length);
1667 2195
1668 if (offset < 0) 2196 if (offset < 0)
1669 offset += svlen; 2197 offset += svlen;
1670 2198
… …
1677 addr = (void *)(((intptr_t)addr) + offset); 2205 addr = (void *)(((intptr_t)addr) + offset);
1678 eio_page_align (&addr, &len); 2206 eio_page_align (&addr, &len);
1679#if _POSIX_MEMLOCK_RANGE 2207#if _POSIX_MEMLOCK_RANGE
1680 RETVAL = munlock (addr, len); 2208 RETVAL = munlock (addr, len);
1681#else 2209#else
1682 RETVAL = ((errno = ENOSYS), -1); 2210 RETVAL = EIO_ENOSYS ();
1683#endif 2211#endif
1684} 2212}
1685 OUTPUT: 2213 OUTPUT:
1686 RETVAL 2214 RETVAL
1687 2215
… …
1689munlockall () 2217munlockall ()
1690 CODE: 2218 CODE:
1691#if _POSIX_MEMLOCK 2219#if _POSIX_MEMLOCK
1692 munlockall (); 2220 munlockall ();
1693#else 2221#else
1694 RETVAL = -1; 2222 RETVAL = EIO_ENOSYS ();
1695 errno = ENOSYS;
1696#endif 2223#endif
1697 OUTPUT: 2224 OUTPUT:
1698 RETVAL 2225 RETVAL
2226
2227int
2228splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2229 CODE:
2230{
2231#if HAVE_LINUX_SPLICE
2232 loff_t off_in_, off_out_;
2233 RETVAL = splice (
2234 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2235 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2236 length, flags
2237 );
2238#else
2239 RETVAL = EIO_ENOSYS ();
2240#endif
2241}
2242 OUTPUT:
2243 RETVAL
2244
2245int
2246tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2247 CODE:
2248#if HAVE_LINUX_SPLICE
2249 RETVAL = tee (rfh, wfh, length, flags);
2250#else
2251 RETVAL = EIO_ENOSYS ();
2252#endif
2253 OUTPUT:
2254 RETVAL
2255
2256int
2257pipesize (aio_rfd rfh, int new_size = -1)
2258 PROTOTYPE: $;$
2259 CODE:
2260#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2261 if (new_size >= 0)
2262 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2263 else
2264 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2265#else
2266 errno = ENOSYS;
2267 RETVAL = -1;
2268#endif
2269 OUTPUT:
2270 RETVAL
2271
2272void
2273pipe2 (int flags = 0)
2274 PROTOTYPE: ;$
2275 PPCODE:
2276{
2277 int fd[2];
2278 int res;
2279
2280 if (flags)
2281#if HAVE_PIPE2
2282 res = pipe2 (fd, flags);
2283#else
2284 res = (errno = ENOSYS, -1);
2285#endif
2286 else
2287 res = pipe (fd);
2288
2289 if (!res)
2290 {
2291 EXTEND (SP, 2);
2292 PUSHs (newmortalFH (fd[0], O_RDONLY));
2293 PUSHs (newmortalFH (fd[1], O_WRONLY));
2294 }
2295}
2296
2297void
2298eventfd (unsigned int initval = 0, int flags = 0)
2299 PPCODE:
2300{
2301 int fd;
2302#if HAVE_EVENTFD
2303 fd = eventfd (initval, flags);
2304#else
2305 fd = (errno = ENOSYS, -1);
2306#endif
2307
2308 XPUSHs (newmortalFH (fd, O_RDWR));
2309}
2310
2311void
2312timerfd_create (int clockid, int flags = 0)
2313 PPCODE:
2314{
2315 int fd;
2316#if HAVE_TIMERFD
2317 fd = timerfd_create (clockid, flags);
2318#else
2319 fd = (errno = ENOSYS, -1);
2320#endif
2321
2322 XPUSHs (newmortalFH (fd, O_RDWR));
2323}
2324
2325void
2326timerfd_settime (SV *fh, int flags, NV interval, NV value)
2327 PPCODE:
2328{
2329 int fd = s_fileno_croak (fh, 0);
2330#if HAVE_TIMERFD
2331 int res;
2332 struct itimerspec its, ots;
2333
2334 ts_set (&its.it_interval, interval);
2335 ts_set (&its.it_value , value);
2336 res = timerfd_settime (fd, flags, &its, &ots);
2337
2338 if (!res)
2339 {
2340 EXTEND (SP, 2);
2341 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2342 PUSHs (newSVnv (ts_get (&ots.it_value)));
2343 }
2344#else
2345 errno = ENOSYS;
2346#endif
2347}
2348
2349void
2350timerfd_gettime (SV *fh)
2351 PPCODE:
2352{
2353 int fd = s_fileno_croak (fh, 0);
2354#if HAVE_TIMERFD
2355 int res;
2356 struct itimerspec ots;
2357 res = timerfd_gettime (fd, &ots);
2358
2359 if (!res)
2360 {
2361 EXTEND (SP, 2);
2362 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2363 PUSHs (newSVnv (ts_get (&ots.it_value)));
2364 }
2365#else
2366 errno = ENOSYS;
2367#endif
2368}
2369
2370UV
2371get_fdlimit ()
2372 CODE:
2373#if HAVE_RLIMITS
2374 struct rlimit rl;
2375 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2376 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2377#endif
2378 XSRETURN_UNDEF;
2379 OUTPUT:
2380 RETVAL
2381
2382void
2383min_fdlimit (UV limit = 0x7fffffffU)
2384 CODE:
2385{
2386#if HAVE_RLIMITS
2387 struct rlimit rl;
2388 rlim_t orig_rlim_max;
2389 UV bit;
2390
2391 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2392 goto fail;
2393
2394 if (rl.rlim_cur == RLIM_INFINITY)
2395 XSRETURN_YES;
2396
2397 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2398
2399 if (rl.rlim_cur < limit)
2400 {
2401 rl.rlim_cur = limit;
2402
2403 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2404 rl.rlim_max = rl.rlim_cur;
2405 }
2406
2407 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2408 XSRETURN_YES;
2409
2410 if (errno == EPERM)
2411 {
2412 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2413 /* our limit overflows a system-wide limit */
2414 /* try an adaptive algorithm, but do not lower the hardlimit */
2415 rl.rlim_max = 0;
2416 for (bit = 0x40000000U; bit; bit >>= 1)
2417 {
2418 rl.rlim_max |= bit;
2419 rl.rlim_cur = rl.rlim_max;
2420
2421 /* nevr decrease the hard limit */
2422 if (rl.rlim_max < orig_rlim_max)
2423 break;
2424
2425 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2426 rl.rlim_max &= ~bit; /* too high, remove bit again */
2427 }
2428
2429 /* now, raise the soft limit to the max permitted */
2430 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2431 {
2432 rl.rlim_cur = rl.rlim_max;
2433 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2434 errno = EPERM;
2435 }
2436 }
2437#endif
2438 fail:
2439 XSRETURN_UNDEF;
2440}
1699 2441
1700void _on_next_submit (SV *cb) 2442void _on_next_submit (SV *cb)
1701 CODE: 2443 CODE:
1702 SvREFCNT_dec (on_next_submit); 2444 SvREFCNT_dec (on_next_submit);
1703 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2445 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1704 2446
1705PROTOTYPES: DISABLE 2447PROTOTYPES: DISABLE
1706 2448
2449MODULE = IO::AIO PACKAGE = IO::AIO::WD
2450
2451BOOT:
2452{
2453 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2454 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2455}
2456
2457void
2458DESTROY (SV *self)
2459 CODE:
2460{
2461 aio_wd wd = SvAIO_WD (self);
2462#if HAVE_AT
2463 {
2464 SV *callback = &PL_sv_undef;
2465 dREQ; /* clobbers next_pri :/ */
2466 next_pri = req->pri; /* restore next_pri */
2467 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2468 req->type = EIO_WD_CLOSE;
2469 req->wd = wd;
2470 REQ_SEND;
2471 }
2472#else
2473 eio_wd_close_sync (wd);
2474#endif
2475}
2476
1707MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2477MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1708 2478
1709void 2479void
1710cancel (aio_req_ornot req) 2480cancel (aio_req_ornot req)
1711 CODE: 2481 CODE:
1712 eio_cancel (req); 2482 eio_cancel (req);
1713 2483
1714void 2484void
1715cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2485cb (aio_req_ornot req, SV *callback = NO_INIT)
1716 PPCODE: 2486 PPCODE:
1717{ 2487{
1718 if (GIMME_V != G_VOID) 2488 if (GIMME_V != G_VOID)
1719 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2489 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1720 2490
1721 if (items > 1) 2491 if (items > 1)
1722 { 2492 {
1723 SV *cb_cv =get_cb (callback); 2493 SV *cb_cv = get_cb (callback);
1724 2494
1725 SvREFCNT_dec (req->callback); 2495 SvREFCNT_dec (req->callback);
1726 req->callback = SvREFCNT_inc (cb_cv); 2496 req->callback = SvREFCNT_inc (cb_cv);
1727 } 2497 }
1728} 2498}
… …
1785limit (aio_req grp, int limit) 2555limit (aio_req grp, int limit)
1786 CODE: 2556 CODE:
1787 eio_grp_limit (grp, limit); 2557 eio_grp_limit (grp, limit);
1788 2558
1789void 2559void
1790feed (aio_req grp, SV *callback=&PL_sv_undef) 2560feed (aio_req grp, SV *callback = &PL_sv_undef)
1791 CODE: 2561 CODE:
1792{ 2562{
1793 SvREFCNT_dec (grp->sv2); 2563 SvREFCNT_dec (grp->sv2);
1794 grp->sv2 = newSVsv (callback); 2564 grp->sv2 = newSVsv (callback);
1795 grp->feed = aio_grp_feed; 2565 grp->feed = aio_grp_feed;

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