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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC vs.
Revision 1.221 by root, Wed Aug 22 22:28:03 2012 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
27	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	39	#undef opendir
31	#undef closedir	40	#undef closedir
32		41
33	#ifdef _WIN32	42	#ifdef _WIN32
34		43
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions	44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
40	# undef open	48	#undef open
41	# undef read	49	#undef read
42	# undef write	50	#undef write
43	# undef send	51	#undef send
44	# undef recv	52	#undef recv
		53	#undef stat
45	# undef lstat	54	#undef lstat
		55	#undef fstat
46	# undef truncate	56	#undef truncate
47	# undef ftruncate	57	#undef ftruncate
48	# undef open	58	#undef open
49	# undef link	59	#undef link
50	# undef close	60	#undef close
51	# undef unlink	61	#undef unlink
52	# undef mkdir	62	#undef mkdir
53	# undef rmdir	63	#undef rmdir
54	# undef rename	64	#undef rename
55	# undef lseek	65	#undef lseek
56	# undef opendir	66	#undef opendir
57	# undef readdir	67	#undef readdir
58	# undef closedir	68	#undef closedir
59	# undef chmod	69	#undef chmod
60	# undef fchmod	70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
61		75
62	# define opendir(fd) EIO_ERRNO (ENOSYS, 0)	76	#define EIO_STRUCT_STAT struct _stati64
63	# define readdir(fd) EIO_ENOSYS ()	77	#define EIO_STRUCT_STATI64
64	# define closedir(fd) EIO_ENOSYS ()
65		78
66	#else	79	#else
67		80
68	# include <sys/time.h>	81	#include <sys/time.h>
69	# include <sys/select.h>	82	#include <sys/select.h>
70	# include <unistd.h>	83	#include <unistd.h>
71	# include <utime.h>	84	#include <utime.h>
72	# include <signal.h>	85	#include <signal.h>
73		86
74	#endif
75
76	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
77		88
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define VAL64 IV
81	# define SvVAL64 SvIV
82	# define newSVval64 newSViv
83	#else
84	# define VAL64 NV
85	# define SvVAL64 SvNV
86	# define newSVval64 newSVnv
87	#endif	89	#endif
88		90
89	/*****************************************************************************/	91	/*****************************************************************************/
90		92
91	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
101		103
102	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
103	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
104	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
105		107
106	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
107		109
108	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
109	SV *callback; \	111	SV *callback; \
110	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
111	STRLEN stroffset; \	114	STRLEN stroffset; \
112	SV *self;	115	SV *self;
113		116
114	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
115		118
116	#include "libeio/config.h"	119	#include "libeio/config.h"
117	#include "libeio/eio.h"	120	#include "libeio/eio.h"
118		121
119	/* Linux/others */	122	static int req_invoke (eio_req *req);
120	#ifndef O_ASYNC	123	#define EIO_FINISH(req) req_invoke (req)
121	# define O_ASYNC 0	124	static void req_destroy (eio_req *grp);
122	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
123	#ifndef O_DIRECT
124	# define O_DIRECT 0
125	#endif
126	#ifndef O_NOATIME
127	# define O_NOATIME 0
128	#endif
129		126
130	/* POSIX */	127	#include "libeio/eio.c"
131	#ifndef O_CLOEXEC
132	# define O_CLOEXEC 0
133	#endif
134	#ifndef O_NOFOLLOW
135	# define O_NOFOLLOW 0
136	#endif
137	#ifndef O_NOCTTY
138	# define O_NOCTTY 0
139	#endif
140	#ifndef O_NONBLOCK
141	# define O_NONBLOCK 0
142	#endif
143	#ifndef O_EXEC
144	# define O_EXEC 0
145	#endif
146	#ifndef O_SEARCH
147	# define O_SEARCH 0
148	#endif
149	#ifndef O_DIRECTORY
150	# define O_DIRECTORY 0
151	#endif
152	#ifndef O_DSYNC
153	# define O_DSYNC 0
154	#endif
155	#ifndef O_RSYNC
156	# define O_RSYNC 0
157	#endif
158	#ifndef O_SYNC
159	# define O_SYNC 0
160	#endif
161	#ifndef O_TTY_INIT
162	# define O_TTY_INIT 0
163	#endif
164
165	#ifndef POSIX_FADV_NORMAL
166	# define POSIX_FADV_NORMAL 0
167	#endif
168	#ifndef POSIX_FADV_SEQUENTIAL
169	# define POSIX_FADV_SEQUENTIAL 0
170	#endif
171	#ifndef POSIX_FADV_RANDOM
172	# define POSIX_FADV_RANDOM 0
173	#endif
174	#ifndef POSIX_FADV_NOREUSE
175	# define POSIX_FADV_NOREUSE 0
176	#endif
177	#ifndef POSIX_FADV_WILLNEED
178	# define POSIX_FADV_WILLNEED 0
179	#endif
180	#ifndef POSIX_FADV_DONTNEED
181	# define POSIX_FADV_DONTNEED 0
182	#endif
183		128
184	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
185	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
186	#endif	131	#endif
187		132
188	#ifndef POSIX_MADV_NORMAL
189	# define POSIX_MADV_NORMAL 0
190	#endif
191	#ifndef POSIX_MADV_SEQUENTIAL
192	# define POSIX_MADV_SEQUENTIAL 0
193	#endif
194	#ifndef POSIX_MADV_RANDOM
195	# define POSIX_MADV_RANDOM 0
196	#endif
197	#ifndef POSIX_MADV_WILLNEED
198	# define POSIX_MADV_WILLNEED 0
199	#endif
200	#ifndef POSIX_MADV_DONTNEED
201	# define POSIX_MADV_DONTNEED 0
202	#endif
203
204	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
205	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206	#endif
207
208	#ifndef PROT_NONE
209	# define PROT_NONE 0
210	#endif
211	#ifndef PROT_READ
212	# define PROT_READ 0
213	#endif
214	#ifndef PROT_WRITE
215	# define PROT_READ 0
216	#endif
217	#ifndef PROT_EXEC
218	# define PROT_EXEC 0
219	#endif
220
221	#ifndef ST_RDONLY
222	# define ST_RDONLY 0
223	#endif
224	#ifndef ST_NOSUID
225	# define ST_NOSUID 0
226	#endif
227	#ifndef ST_NODEV
228	# define ST_NODEV 0
229	#endif
230	#ifndef ST_NOEXEC
231	# define ST_NOEXEC 0
232	#endif
233	#ifndef ST_SYNCHRONOUS
234	# define ST_SYNCHRONOUS 0
235	#endif
236	#ifndef ST_MANDLOCK
237	# define ST_MANDLOCK 0
238	#endif
239	#ifndef ST_WRITE
240	# define ST_WRITE 0
241	#endif
242	#ifndef ST_APPEND
243	# define ST_APPEND 0
244	#endif
245	#ifndef ST_IMMUTABLE
246	# define ST_IMMUTABLE 0
247	#endif
248	#ifndef ST_NOATIME
249	# define ST_NOATIME 0
250	#endif
251	#ifndef ST_NODIRATIME
252	# define ST_NODIRATIME 0
253	#endif
254	#ifndef ST_RELATIME
255	# define ST_RELATIME 0
256	#endif
257
258	#ifndef S_IFIFO
259	# define S_IFIFO 0
260	#endif
261	#ifndef S_IFCHR
262	# define S_IFCHR 0
263	#endif
264	#ifndef S_IFBLK
265	# define S_IFBLK 0
266	#endif
267	#ifndef S_IFLNK
268	# define S_IFLNK 0
269	#endif
270	#ifndef S_IFREG
271	# define S_IFREG 0
272	#endif
273	#ifndef S_IFDIR
274	# define S_IFDIR 0
275	#endif
276	#ifndef S_IFWHT
277	# define S_IFWHT 0
278	#endif
279	#ifndef S_IFSOCK
280	# define S_IFSOCK 0
281	#endif	135	#endif
282		136
283	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
284	# ifdef MAP_ANON	138	# ifdef MAP_ANON
285	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
286	# else	140	# else
287	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288	# endif	142	# endif
289	#endif	143	#endif
290	#ifndef MAP_HUGETLB	144
291	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
292	#endif	146	#include "def0.h"
293	#ifndef MAP_LOCKED
294	# define MAP_LOCKED 0
295	#endif
296	#ifndef MAP_NORESERVE
297	# define MAP_NORESERVE 0
298	#endif
299	#ifndef MAP_POPULATE
300	# define MAP_POPULATE 0
301	#endif
302	#ifndef MAP_NONBLOCK
303	# define MAP_NONBLOCK 0
304	#endif
305		147
306	#ifndef makedev	148	#ifndef makedev
307	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
308	#endif	150	#endif
309	#ifndef major	151	#ifndef major
…		…
315		157
316	#ifndef PAGESIZE	158	#ifndef PAGESIZE
317	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
318	#endif	160	#endif
319		161
320	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
321	#define EIO_FINISH(req) req_invoke (req)	163
322	static void req_destroy (eio_req *grp);	164	static void
323	#define EIO_DESTROY(req) req_destroy (req)	165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	/* assume some c99 */
		171	struct fiemap *fiemap = 0;
		172	size_t end_offset;
		173	int count = req->int3;
		174
		175	req->flags |= EIO_FLAG_PTR1_FREE;
		176
		177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		178	/* increase in 3.5kb steps */
		179	if (count < 0)
		180	count = 8;
		181
		182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		183	errno = ENOMEM;
		184	if (!fiemap)
		185	return;
		186
		187	req->ptr1 = fiemap;
		188
		189	fiemap->fm_start = req->offs;
		190	fiemap->fm_length = req->size;
		191	fiemap->fm_flags = req->int2;
		192	fiemap->fm_extent_count = count;
		193
		194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		195	return;
		196
		197	if (req->int3 >= 0 /* not autosizing */
		198	|| !fiemap->fm_mapped_extents /* no more extents */
		199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		200	goto done;
		201
		202	/* else we have to loop -
		203	* it would be tempting (atcually I tried that first) to just query the
		204	* number of extents needed, but linux often feels like not returning all
		205	* extents, without telling us it left any out. this complicates
		206	* this quite a bit.
		207	*/
		208
		209	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		210
		211	for (;;)
		212	{
		213	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		214	char scratch[3072];
		215	struct fiemap *incmap = (struct fiemap *)scratch;
		216
		217	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		220	incmap->fm_flags = fiemap->fm_flags;
		221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		222
		223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap))
		224	return;
		225
		226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		227	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		228	errno = ENOMEM;
		229	if (!fiemap)
		230	return;
		231
		232	req->ptr1 = fiemap;
		233
		234	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		235	{
		236	struct fiemap_extent *e = incmap->fm_extents + count;
		237
		238	if (e->fe_logical + e->fe_length >= end_offset)
		239	goto done;
		240
		241	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		242
		243	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		244	goto done;
		245
		246	}
		247	}
		248
		249	done:
		250	req->result = 0;
		251
		252	#else
		253	errno = ENOSYS;
		254	#endif
		255	}
		256
		257	/*****************************************************************************/
324		258
325	enum {	259	enum {
326	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	260	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
327	};	261	};
328		262
329	#include "libeio/eio.c"
330
331	typedef eio_req *aio_req;	263	typedef eio_req *aio_req;
332	typedef eio_req *aio_req_ornot;	264	typedef eio_req *aio_req_ornot;
		265	typedef eio_wd aio_wd;
333		266
334	static SV *on_next_submit;	267	static SV *on_next_submit;
335	static int next_pri = EIO_PRI_DEFAULT;	268	static int next_pri = EIO_PRI_DEFAULT;
336	static int max_outstanding;	269	static int max_outstanding;
337		270
338	static s_epipe respipe;	271	static s_epipe respipe;
339		272
340	static void req_destroy (aio_req req);	273	static void req_destroy (aio_req req);
341	static void req_cancel (aio_req req);	274	static void req_cancel (aio_req req);
342		275
343	static void want_poll (void)	276	static void
		277	want_poll (void)
344	{	278	{
345	/* write a dummy byte to the pipe so fh becomes ready */	279	/* write a dummy byte to the pipe so fh becomes ready */
346	s_epipe_signal (&respipe);	280	s_epipe_signal (&respipe);
347	}	281	}
348		282
349	static void done_poll (void)	283	static void
		284	done_poll (void)
350	{	285	{
351	/* read any signals sent by the worker threads */	286	/* read any signals sent by the worker threads */
352	s_epipe_drain (&respipe);	287	s_epipe_drain (&respipe);
353	}	288	}
354		289
355	/* must be called at most once */	290	/* must be called at most once */
		291	static SV *
356	static SV *req_sv (aio_req req, HV *stash)	292	req_sv (aio_req req, HV *stash)
357	{	293	{
358	if (!req->self)	294	if (!req->self)
359	{	295	{
360	req->self = (SV *)newHV ();	296	req->self = (SV *)newHV ();
361	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	297	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
362	}	298	}
363		299
364	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	300	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
365	}	301	}
366		302
367	static aio_req SvAIO_REQ (SV *sv)	303	static SV *
		304	newSVaio_wd (aio_wd wd)
		305	{
		306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		307	}
		308
		309	static aio_req
		310	SvAIO_REQ (SV *sv)
368	{	311	{
369	MAGIC *mg;	312	MAGIC *mg;
370		313
371	if (!SvROK (sv)	314	if (!SvROK (sv)
		315	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
372	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	316	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
373	&& SvSTASH (SvRV (sv)) != aio_req_stash	317	&& SvSTASH (SvRV (sv)) != aio_req_stash
374	&& !sv_derived_from (sv, "IO::AIO::REQ")))	318	&& !sv_derived_from (sv, "IO::AIO::REQ")))
375	croak ("object of class IO::AIO::REQ expected");	319	croak ("object of class IO::AIO::REQ expected");
376		320
377	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	321	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
378		322
379	return mg ? (aio_req)mg->mg_ptr : 0;	323	return mg ? (aio_req)mg->mg_ptr : 0;
380	}	324	}
381		325
		326	static aio_wd
		327	SvAIO_WD (SV *sv)
		328	{
		329	if (!SvROK (sv)
		330	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		333
		334	return (aio_wd)(long)SvIVX (SvRV (sv));
		335	}
		336
		337	static void
382	static void aio_grp_feed (aio_req grp)	338	aio_grp_feed (aio_req grp)
383	{	339	{
384	if (grp->sv2 && SvOK (grp->sv2))	340	if (grp->sv2 && SvOK (grp->sv2))
385	{	341	{
386	dSP;	342	dSP;
387		343
…		…
395	FREETMPS;	351	FREETMPS;
396	LEAVE;	352	LEAVE;
397	}	353	}
398	}	354	}
399		355
		356	static void
400	static void req_submit (eio_req *req)	357	req_submit (eio_req *req)
401	{	358	{
402	eio_submit (req);	359	eio_submit (req);
403		360
404	if (expect_false (on_next_submit))	361	if (expect_false (on_next_submit))
405	{	362	{
…		…
412	PUTBACK;	369	PUTBACK;
413	call_sv (cb, G_DISCARD | G_EVAL);	370	call_sv (cb, G_DISCARD | G_EVAL);
414	}	371	}
415	}	372	}
416		373
		374	static int
417	static int req_invoke (eio_req *req)	375	req_invoke (eio_req *req)
418	{	376	{
419	if (req->flags & FLAG_SV2_RO_OFF)	377	if (req->flags & FLAG_SV2_RO_OFF)
420	SvREADONLY_off (req->sv2);	378	SvREADONLY_off (req->sv2);
421		379
422	if (!EIO_CANCELLED (req) && req->callback)	380	if (!EIO_CANCELLED (req) && req->callback)
…		…
443	SvREADONLY_on (sv_result);	401	SvREADONLY_on (sv_result);
444	}	402	}
445		403
446	switch (req->type)	404	switch (req->type)
447	{	405	{
		406	case EIO_WD_OPEN:
		407	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		408	break;
		409
448	case EIO_READDIR:	410	case EIO_READDIR:
449	{	411	{
450	SV *rv = &PL_sv_undef;	412	SV *rv = &PL_sv_undef;
451		413
452	if (req->result >= 0)	414	if (req->result >= 0)
…		…
594	break;	556	break;
595		557
596	case EIO_STAT:	558	case EIO_STAT:
597	case EIO_LSTAT:	559	case EIO_LSTAT:
598	case EIO_FSTAT:	560	case EIO_FSTAT:
599	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	561	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		562
600	PL_laststatval = req->result;	563	if (!(PL_laststatval = req->result))
		564	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
601	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	565	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		566
602	PUSHs (sv_result);	567	PUSHs (sv_result);
		568	break;
		569
		570	case EIO_SEEK:
		571	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
603	break;	572	break;
604		573
605	case EIO_READ:	574	case EIO_READ:
606	{	575	{
607	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	576	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
610	SvSETMAGIC (req->sv2);	579	SvSETMAGIC (req->sv2);
611	PUSHs (sv_result);	580	PUSHs (sv_result);
612	}	581	}
613	break;	582	break;
614		583
		584	case EIO_CUSTOM:
		585	if (req->feed == fiemap)
		586	{
		587	#if HAVE_FIEMAP
		588	if (!req->result)
		589	{
		590	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		591
		592	if (fiemap->fm_extent_count)
		593	{
		594	AV *av = newAV ();
		595	int i;
		596
		597	while (fiemap->fm_mapped_extents)
		598	{
		599	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		600	AV *ext_av = newAV ();
		601
		602	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		603	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		604	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		605	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		606
		607	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		608	}
		609
		610	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		611	}
		612	else
		613	{
		614	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		615	PUSHs (sv_result);
		616	}
		617	}
		618	#endif
		619	}
		620	else
		621	PUSHs (sv_result);
		622	break;
		623
615	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	624	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
616	if (req->result > 0)	625	if (req->result > 0)
617	SvIV_set (sv_result, 0);	626	SvIV_set (sv_result, 0);
618	/* FALLTHROUGH */	627	/* FALLTHROUGH */
619		628
…		…
640	}	649	}
641		650
642	return !!SvTRUE (ERRSV);	651	return !!SvTRUE (ERRSV);
643	}	652	}
644		653
		654	static void
645	static void req_destroy (aio_req req)	655	req_destroy (aio_req req)
646	{	656	{
647	if (req->self)	657	if (req->self)
648	{	658	{
649	sv_unmagic (req->self, PERL_MAGIC_ext);	659	sv_unmagic (req->self, PERL_MAGIC_ext);
650	SvREFCNT_dec (req->self);	660	SvREFCNT_dec (req->self);
651	}	661	}
652		662
653	SvREFCNT_dec (req->sv1);	663	SvREFCNT_dec (req->sv1);
654	SvREFCNT_dec (req->sv2);	664	SvREFCNT_dec (req->sv2);
		665	SvREFCNT_dec (req->sv3);
		666	SvREFCNT_dec (req->sv4);
655	SvREFCNT_dec (req->callback);	667	SvREFCNT_dec (req->callback);
656		668
657	Safefree (req);	669	free (req);
658	}	670	}
659		671
		672	static void
660	static void req_cancel_subs (aio_req grp)	673	req_cancel_subs (aio_req grp)
661	{	674	{
662	aio_req sub;
663
664	if (grp->type != EIO_GROUP)	675	if (grp->type != EIO_GROUP)
665	return;	676	return;
666		677
667	SvREFCNT_dec (grp->sv2);	678	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	679	grp->sv2 = 0;
669		680
670	eio_grp_cancel (grp);	681	eio_grp_cancel (grp);
671	}	682	}
672		683
		684	static void ecb_cold
673	static void create_respipe (void)	685	create_respipe (void)
674	{	686	{
675	if (s_epipe_renew (&respipe))	687	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	688	croak ("IO::AIO: unable to initialize result pipe");
677	}	689	}
678		690
679	static void poll_wait (void)	691	static void
		692	poll_wait (void)
680	{	693	{
681	while (eio_nreqs ())	694	while (eio_nreqs ())
682	{	695	{
683	int size;	696	int size;
684		697
…		…
693		706
694	s_epipe_wait (&respipe);	707	s_epipe_wait (&respipe);
695	}	708	}
696	}	709	}
697		710
698	static int poll_cb (void)	711	static int
		712	poll_cb (void)
699	{	713	{
700	for (;;)	714	for (;;)
701	{	715	{
702	int res = eio_poll ();	716	int res = eio_poll ();
703		717
…		…
709		723
710	poll_wait ();	724	poll_wait ();
711	}	725	}
712	}	726	}
713		727
714	static void atfork_child (void)	728	static void ecb_cold
		729	reinit (void)
715	{	730	{
716	create_respipe ();	731	create_respipe ();
		732
		733	if (eio_init (want_poll, done_poll) < 0)
		734	croak ("IO::AIO: unable to initialise eio library");
717	}	735	}
718		736
719	/*****************************************************************************/	737	/*****************************************************************************/
720		738
721	#if !_POSIX_MAPPED_FILES	739	#if !_POSIX_MAPPED_FILES
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	740	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723	# define munmap(addr,length) (errno = ENOSYS, -1)	741	# define munmap(addr,length) EIO_ENOSYS ()
724	#endif	742	#endif
725		743
726	#if !_POSIX_MEMORY_PROTECTION	744	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	745	# define mprotect(addr,len,prot) EIO_ENOSYS ()
728	# define PROT_NONE 0	746	# define PROT_NONE 0
729	# define PROT_WRITE 0	747	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0	748	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0	749	# define MAP_SHARED 0
732	# define MAP_FIXED 0	750	# define MAP_FIXED 0
733	#endif	751	#endif
734		752
735	#define MMAP_MAGIC PERL_MAGIC_ext	753	#define MMAP_MAGIC PERL_MAGIC_ext
736		754
		755	static int ecb_cold
737	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	756	mmap_free (pTHX_ SV *sv, MAGIC *mg)
738	{	757	{
739	int old_errno = errno;	758	int old_errno = errno;
740	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	759	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741	errno = old_errno;	760	errno = old_errno;
742		761
…		…
758	0, 0, 0, 0, mmap_free	777	0, 0, 0, 0, mmap_free
759	};	778	};
760		779
761	/*****************************************************************************/	780	/*****************************************************************************/
762		781
		782	static SV *
763	static SV * get_cb (SV *cb_sv)	783	get_cb (SV *cb_sv)
764	{	784	{
765	SvGETMAGIC (cb_sv);	785	SvGETMAGIC (cb_sv);
766	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	786	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
767	}	787	}
768		788
		789	static aio_req ecb_noinline
		790	dreq (SV *callback)
		791	{
		792	SV *cb_cv;
		793	aio_req req;
		794	int req_pri = next_pri;
		795	next_pri = EIO_PRI_DEFAULT;
		796
		797	cb_cv = get_cb (callback);
		798
		799	req = calloc (sizeof (*req), 1);
		800	if (!req)
		801	croak ("out of memory during eio_req allocation");
		802
		803	req->callback = SvREFCNT_inc (cb_cv);
		804	req->pri = req_pri;
		805
		806	return req;
		807	}
		808
769	#define dREQ \	809	#define dREQ \
770	SV *cb_cv; \	810	aio_req req = dreq (callback); \
771	aio_req req; \
772	int req_pri = next_pri; \
773	next_pri = EIO_PRI_DEFAULT; \
774	\
775	cb_cv = get_cb (callback); \
776	\
777	Newz (0, req, 1, eio_req); \
778	if (!req) \
779	croak ("out of memory during eio_req allocation"); \
780	\
781	req->callback = SvREFCNT_inc (cb_cv); \
782	req->pri = req_pri
783		811
784	#define REQ_SEND \	812	#define REQ_SEND \
785	PUTBACK; \	813	PUTBACK; \
786	req_submit (req); \	814	req_submit (req); \
787	SPAGAIN; \	815	SPAGAIN; \
788	\	816	\
789	if (GIMME_V != G_VOID) \	817	if (GIMME_V != G_VOID) \
790	XPUSHs (req_sv (req, aio_req_stash));	818	XPUSHs (req_sv (req, aio_req_stash));
791		819
		820	ecb_inline void
		821	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		822	{
		823	if (expect_false (SvROK (path)))
		824	{
		825	SV *rv = SvRV (path);
		826	SV *wdob;
		827
		828	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		829	{
		830	path = AvARRAY (rv)[1];
		831	wdob = AvARRAY (rv)[0];
		832
		833	if (SvOK (wdob))
		834	{
		835	*wd = SvAIO_WD (wdob);
		836	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		837	}
		838	else
		839	*wd = EIO_INVALID_WD;
		840	}
		841	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		842	{
		843	*wd = (aio_wd)(long)SvIVX (rv);
		844	*wdsv = SvREFCNT_inc_NN (rv);
		845	*ptr = ".";
		846	return; /* path set to "." */
		847	}
		848	else
		849	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		850	}
		851
		852	*pathsv = newSVsv (path);
		853	*ptr = SvPVbyte_nolen (*pathsv);
		854	}
		855
		856	static void ecb_noinline
		857	req_set_path1 (aio_req req, SV *path)
		858	{
		859	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		860	}
		861
		862	static void ecb_noinline
		863	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		864	{
		865	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		866
		867	switch (SvTYPE (rv))
		868	{
		869	case SVt_PVIO:
		870	case SVt_PVLV:
		871	case SVt_PVGV:
		872	req->type = type_fh;
		873	req->sv1 = newSVsv (fh_or_path);
		874	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		875	break;
		876
		877	default:
		878	req->type = type_path;
		879	req_set_path1 (req, fh_or_path);
		880	break;
		881	}
		882	}
		883
		884	XS(boot_IO__AIO) ecb_cold;
		885
792	MODULE = IO::AIO PACKAGE = IO::AIO	886	MODULE = IO::AIO PACKAGE = IO::AIO
793		887
794	PROTOTYPES: ENABLE	888	PROTOTYPES: ENABLE
795		889
796	BOOT:	890	BOOT:
…		…
800	IV iv;	894	IV iv;
801	} *civ, const_iv[] = {	895	} *civ, const_iv[] = {
802	# define const_niv(name, value) { # name, (IV) value },	896	# define const_niv(name, value) { # name, (IV) value },
803	# define const_iv(name) { # name, (IV) name },	897	# define const_iv(name) { # name, (IV) name },
804	# define const_eio(name) { # name, (IV) EIO_ ## name },	898	# define const_eio(name) { # name, (IV) EIO_ ## name },
		899
		900	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		901
		902	const_iv (ENOSYS)
805	const_iv (EXDEV)	903	const_iv (EXDEV)
806	const_iv (ENOSYS)	904	const_iv (EBADR)
		905
807	const_iv (O_RDONLY)	906	const_iv (O_RDONLY)
808	const_iv (O_WRONLY)	907	const_iv (O_WRONLY)
809	const_iv (O_RDWR)	908	const_iv (O_RDWR)
810	const_iv (O_CREAT)	909	const_iv (O_CREAT)
811	const_iv (O_TRUNC)	910	const_iv (O_TRUNC)
…		…
879	const_iv (MAP_LOCKED)	978	const_iv (MAP_LOCKED)
880	const_iv (MAP_NORESERVE)	979	const_iv (MAP_NORESERVE)
881	const_iv (MAP_POPULATE)	980	const_iv (MAP_POPULATE)
882	const_iv (MAP_NONBLOCK)	981	const_iv (MAP_NONBLOCK)
883		982
		983	const_iv (FIEMAP_FLAG_SYNC)
		984	const_iv (FIEMAP_FLAG_XATTR)
		985	const_iv (FIEMAP_FLAGS_COMPAT)
		986	const_iv (FIEMAP_EXTENT_LAST)
		987	const_iv (FIEMAP_EXTENT_UNKNOWN)
		988	const_iv (FIEMAP_EXTENT_DELALLOC)
		989	const_iv (FIEMAP_EXTENT_ENCODED)
		990	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		991	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		992	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		993	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		994	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		995	const_iv (FIEMAP_EXTENT_MERGED)
		996	const_iv (FIEMAP_EXTENT_SHARED)
		997
		998	const_iv (SPLICE_F_MOVE)
		999	const_iv (SPLICE_F_NONBLOCK)
		1000	const_iv (SPLICE_F_MORE)
		1001	const_iv (SPLICE_F_GIFT)
		1002
		1003	const_iv (SEEK_DATA)
		1004	const_iv (SEEK_HOLE)
		1005
		1006	/* libeio constants */
		1007	const_eio (SEEK_SET)
		1008	const_eio (SEEK_CUR)
		1009	const_eio (SEEK_END)
		1010
884	const_eio (MCL_FUTURE)	1011	const_eio (MCL_FUTURE)
885	const_eio (MCL_CURRENT)	1012	const_eio (MCL_CURRENT)
886		1013
887	const_eio (MS_ASYNC)	1014	const_eio (MS_ASYNC)
888	const_eio (MS_INVALIDATE)	1015	const_eio (MS_INVALIDATE)
…		…
893	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1020	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
894	const_eio (SYNC_FILE_RANGE_WRITE)	1021	const_eio (SYNC_FILE_RANGE_WRITE)
895	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1022	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896		1023
897	const_eio (FALLOC_FL_KEEP_SIZE)	1024	const_eio (FALLOC_FL_KEEP_SIZE)
		1025	const_eio (FALLOC_FL_PUNCH_HOLE)
898		1026
899	const_eio (READDIR_DENTS)	1027	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	1028	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	1029	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	1030	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1041	};
914		1042
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1043	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1044	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1045	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1046	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918		1047
919	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1048	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1049	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1050
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1051	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1052
924	create_respipe ();	1053	reinit ();
925
926	if (eio_init (want_poll, done_poll) < 0)
927	croak ("IO::AIO: unable to initialise eio library");
928
929	/* atfork child called in fifo order, so before eio's handler */
930	X_THREAD_ATFORK (0, 0, atfork_child);
931	}	1054	}
		1055
		1056	void
		1057	reinit ()
		1058	PROTOTYPE:
932		1059
933	void	1060	void
934	max_poll_reqs (unsigned int nreqs)	1061	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1062	PROTOTYPE: $
936	CODE:	1063	CODE:
…		…
971	PROTOTYPE: $	1098	PROTOTYPE: $
972	CODE:	1099	CODE:
973	max_outstanding = maxreqs;	1100	max_outstanding = maxreqs;
974		1101
975	void	1102	void
		1103	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1104	PPCODE:
		1105	{
		1106	dREQ;
		1107
		1108	req->type = EIO_WD_OPEN;
		1109	req_set_path1 (req, pathname);
		1110
		1111	REQ_SEND;
		1112	}
		1113
		1114	void
976	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1115	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
977	PPCODE:	1116	PPCODE:
978	{	1117	{
979	dREQ;	1118	dREQ;
980		1119
981	req->type = EIO_OPEN;	1120	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1121	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1122	req->int1 = flags;
985	req->int2 = mode;	1123	req->int2 = mode;
986		1124
987	REQ_SEND;	1125	REQ_SEND;
988	}	1126	}
…		…
990	void	1128	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1129	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
992	ALIAS:	1130	ALIAS:
993	aio_fsync = EIO_FSYNC	1131	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1132	aio_fdatasync = EIO_FDATASYNC
		1133	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1134	PPCODE:
996	{	1135	{
997	int fd = s_fileno_croak (fh, 0);	1136	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1137	dREQ;
999		1138
1000	req->type = ix;	1139	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1140	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1141	req->int1 = fd;
1003		1142
1004	REQ_SEND (req);	1143	REQ_SEND;
1005	}	1144	}
1006		1145
1007	void	1146	void
1008	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1147	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1009	PPCODE:	1148	PPCODE:
1010	{	1149	{
1011	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
1012	dREQ;	1151	dREQ;
1013		1152
1014	req->type = EIO_SYNC_FILE_RANGE;	1153	req->type = EIO_SYNC_FILE_RANGE;
1015	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
1016	req->int1 = fd;	1155	req->int1 = fd;
1017	req->offs = offset;	1156	req->offs = offset;
1018	req->size = nbytes;	1157	req->size = nbytes;
1019	req->int2 = flags;	1158	req->int2 = flags;
1020		1159
1021	REQ_SEND (req);	1160	REQ_SEND;
1022	}	1161	}
1023		1162
1024	void	1163	void
1025	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1164	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1026	PPCODE:	1165	PPCODE:
1027	{	1166	{
1028	int fd = s_fileno_croak (fh, 0);	1167	int fd = s_fileno_croak (fh, 0);
1029	dREQ;	1168	dREQ;
1030		1169
1031	req->type = EIO_FALLOCATE;	1170	req->type = EIO_FALLOCATE;
1032	req->sv1 = newSVsv (fh);	1171	req->sv1 = newSVsv (fh);
1033	req->int1 = fd;	1172	req->int1 = fd;
1034	req->int2 = mode;	1173	req->int2 = mode;
1035	req->offs = offset;	1174	req->offs = offset;
1036	req->size = len;	1175	req->size = len;
1037		1176
1038	REQ_SEND (req);	1177	REQ_SEND;
1039	}	1178	}
1040		1179
1041	void	1180	void
1042	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1181	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1043	PPCODE:	1182	PPCODE:
1044	{	1183	{
1045	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1184	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046	int fd = s_fileno_croak (fh, 0);	1185	int fd = s_fileno_croak (fh, 0);
1047	dREQ;	1186	dREQ;
1048		1187
1049	if (expect_false (close_fd < 0))	1188	if (expect_false (close_fd < 0))
1050	{	1189	{
		1190	int pipefd [2];
		1191
		1192	if (
1051	#ifdef _WIN32	1193	#ifdef _WIN32
1052	close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);	1194	_pipe (pipefd, 1, _O_BINARY) < 0
1053	#else	1195	#else
1054	int pipefd [2];
1055
1056	if (pipe (pipefd) < 0	1196	pipe (pipefd) < 0
1057	|| close (pipefd [1]) < 0
1058	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1197	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1198	#endif
		1199	|| close (pipefd [1]) < 0
		1200	)
1059	abort (); /*D*/	1201	abort (); /*D*/
1060		1202
1061	close_fd = pipefd [0];	1203	close_fd = pipefd [0];
1062	#endif
1063	}	1204	}
1064		1205
1065	req->type = EIO_DUP2;	1206	req->type = EIO_DUP2;
1066	req->int1 = close_fd;	1207	req->int1 = close_fd;
1067	req->sv2 = newSVsv (fh);	1208	req->sv2 = newSVsv (fh);
1068	req->int2 = fd;	1209	req->int2 = fd;
1069		1210
1070	REQ_SEND (req);	1211	REQ_SEND;
		1212	}
		1213
		1214	void
		1215	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1216	PPCODE:
		1217	{
		1218	int fd = s_fileno_croak (fh, 0);
		1219	dREQ;
		1220
		1221	req->type = EIO_SEEK;
		1222	req->sv1 = newSVsv (fh);
		1223	req->int1 = fd;
		1224	req->offs = SvVAL64 (offset);
		1225	req->int2 = whence;
		1226
		1227	REQ_SEND;
1071	}	1228	}
1072		1229
1073	void	1230	void
1074	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1231	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1075	ALIAS:	1232	ALIAS:
…		…
1096	}	1253	}
1097	else	1254	else
1098	{	1255	{
1099	/* read: check type and grow scalar as necessary */	1256	/* read: check type and grow scalar as necessary */
1100	SvUPGRADE (data, SVt_PV);	1257	SvUPGRADE (data, SVt_PV);
		1258	if (SvLEN (data) >= SvCUR (data))
1101	svptr = SvGROW (data, len + dataoffset + 1);	1259	svptr = SvGROW (data, len + dataoffset + 1);
		1260	else if (SvCUR (data) < len + dataoffset)
		1261	croak ("length + dataoffset outside of scalar, and cannot grow");
1102	}	1262	}
1103		1263
1104	{	1264	{
1105	dREQ;	1265	dREQ;
1106		1266
…		…
1122	REQ_SEND;	1282	REQ_SEND;
1123	}	1283	}
1124	}	1284	}
1125		1285
1126	void	1286	void
1127	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1287	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1128	ALIAS:	1288	ALIAS:
1129	aio_readlink = EIO_READLINK	1289	aio_readlink = EIO_READLINK
1130	aio_realpath = EIO_REALPATH	1290	aio_realpath = EIO_REALPATH
1131	PPCODE:	1291	PPCODE:
1132	{	1292	{
1133	SV *data;
1134	dREQ;	1293	dREQ;
1135		1294
1136	req->type = ix;	1295	req->type = ix;
1137	req->sv1 = newSVsv (path);	1296	req_set_path1 (req, pathname);
1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
1139		1297
1140	REQ_SEND;	1298	REQ_SEND;
1141	}	1299	}
1142		1300
1143	void	1301	void
1144	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1302	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1145	PPCODE:	1303	PPCODE:
1146	{	1304	{
1147	int ifd = s_fileno_croak (in_fh , 0);	1305	int ifd = s_fileno_croak (in_fh , 0);
1148	int ofd = s_fileno_croak (out_fh, 1);	1306	int ofd = s_fileno_croak (out_fh, 1);
1149	dREQ;	1307	dREQ;
1150		1308
1151	req->type = EIO_SENDFILE;	1309	req->type = EIO_SENDFILE;
1152	req->sv1 = newSVsv (out_fh);	1310	req->sv1 = newSVsv (out_fh);
1153	req->int1 = ofd;	1311	req->int1 = ofd;
…		…
1161		1319
1162	void	1320	void
1163	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1321	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1164	PPCODE:	1322	PPCODE:
1165	{	1323	{
1166	int fd = s_fileno_croak (fh, 0);	1324	int fd = s_fileno_croak (fh, 0);
1167	dREQ;	1325	dREQ;
1168		1326
1169	req->type = EIO_READAHEAD;	1327	req->type = EIO_READAHEAD;
1170	req->sv1 = newSVsv (fh);	1328	req->sv1 = newSVsv (fh);
1171	req->int1 = fd;	1329	req->int1 = fd;
…		…
1183	aio_statvfs = EIO_STATVFS	1341	aio_statvfs = EIO_STATVFS
1184	PPCODE:	1342	PPCODE:
1185	{	1343	{
1186	dREQ;	1344	dREQ;
1187		1345
1188	req->sv1 = newSVsv (fh_or_path);	1346	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190	if (SvPOK (req->sv1))
1191	{
1192	req->type = ix;
1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
1194	}
1195	else
1196	{
1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199	}
1200		1347
1201	REQ_SEND;	1348	REQ_SEND;
1202	}	1349	}
1203		1350
1204	UV	1351	UV
…		…
1223	{	1370	{
1224	dREQ;	1371	dREQ;
1225		1372
1226	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1373	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1374	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228	req->sv1 = newSVsv (fh_or_path);	1375	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230	if (SvPOK (req->sv1))
1231	{
1232	req->type = EIO_UTIME;
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	}
1235	else
1236	{
1237	req->type = EIO_FUTIME;
1238	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239	}
1240		1376
1241	REQ_SEND;	1377	REQ_SEND;
1242	}	1378	}
1243		1379
1244	void	1380	void
1245	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1381	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1246	PPCODE:	1382	PPCODE:
1247	{	1383	{
1248	dREQ;	1384	dREQ;
1249		1385
1250	req->sv1 = newSVsv (fh_or_path);
1251	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1386	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252		1387	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253	if (SvPOK (req->sv1))
1254	{
1255	req->type = EIO_TRUNCATE;
1256	req->ptr1 = SvPVbyte_nolen (req->sv1);
1257	}
1258	else
1259	{
1260	req->type = EIO_FTRUNCATE;
1261	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262	}
1263		1388
1264	REQ_SEND;	1389	REQ_SEND;
1265	}	1390	}
1266		1391
1267	void	1392	void
1268	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1393	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1269	ALIAS:
1270	aio_chmod = EIO_CHMOD
1271	aio_mkdir = EIO_MKDIR
1272	PPCODE:	1394	PPCODE:
1273	{	1395	{
1274	dREQ;	1396	dREQ;
1275		1397
1276	req->int2 = mode;	1398	req->int2 = mode;
1277	req->sv1 = newSVsv (fh_or_path);	1399	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279	if (SvPOK (req->sv1))
1280	{
1281	req->type = ix;
1282	req->ptr1 = SvPVbyte_nolen (req->sv1);
1283	}
1284	else
1285	{
1286	req->type = EIO_FCHMOD;
1287	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288	}
1289		1400
1290	REQ_SEND;	1401	REQ_SEND;
1291	}	1402	}
1292		1403
1293	void	1404	void
…		…
1296	{	1407	{
1297	dREQ;	1408	dREQ;
1298		1409
1299	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1410	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1411	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301	req->sv1 = newSVsv (fh_or_path);	1412	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303	if (SvPOK (req->sv1))
1304	{
1305	req->type = EIO_CHOWN;
1306	req->ptr1 = SvPVbyte_nolen (req->sv1);
1307	}
1308	else
1309	{
1310	req->type = EIO_FCHOWN;
1311	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312	}
1313		1413
1314	REQ_SEND;	1414	REQ_SEND;
1315	}	1415	}
1316		1416
1317	void	1417	void
…		…
1319	PPCODE:	1419	PPCODE:
1320	{	1420	{
1321	dREQ;	1421	dREQ;
1322		1422
1323	req->type = EIO_READDIR;	1423	req->type = EIO_READDIR;
1324	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1424	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327		1425
1328	if (flags & EIO_READDIR_DENTS)	1426	if (flags & EIO_READDIR_DENTS)
1329	req->int1 |= EIO_READDIR_CUSTOM2;	1427	req->int1 |= EIO_READDIR_CUSTOM2;
1330		1428
		1429	req_set_path1 (req, pathname);
		1430
1331	REQ_SEND;	1431	REQ_SEND;
		1432	}
		1433
		1434	void
		1435	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1436	PPCODE:
		1437	{
		1438	dREQ;
		1439
		1440	req->type = EIO_MKDIR;
		1441	req->int2 = mode;
		1442	req_set_path1 (req, pathname);
		1443
		1444	REQ_SEND;
1332	}	1445	}
1333		1446
1334	void	1447	void
1335	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1448	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1336	ALIAS:	1449	ALIAS:
…		…
1340	PPCODE:	1453	PPCODE:
1341	{	1454	{
1342	dREQ;	1455	dREQ;
1343		1456
1344	req->type = ix;	1457	req->type = ix;
1345	req->sv1 = newSVsv (pathname);	1458	req_set_path1 (req, pathname);
1346	req->ptr1 = SvPVbyte_nolen (req->sv1);
1347		1459
1348	REQ_SEND;	1460	REQ_SEND;
1349	}	1461	}
1350		1462
1351	void	1463	void
…		…
1354	aio_link = EIO_LINK	1466	aio_link = EIO_LINK
1355	aio_symlink = EIO_SYMLINK	1467	aio_symlink = EIO_SYMLINK
1356	aio_rename = EIO_RENAME	1468	aio_rename = EIO_RENAME
1357	PPCODE:	1469	PPCODE:
1358	{	1470	{
		1471	eio_wd wd2 = 0;
1359	dREQ;	1472	dREQ;
1360		1473
1361	req->type = ix;	1474	req->type = ix;
1362	req->sv1 = newSVsv (oldpath);	1475	req_set_path1 (req, oldpath);
1363	req->ptr1 = SvPVbyte_nolen (req->sv1);	1476	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364	req->sv2 = newSVsv (newpath);	1477	req->int3 = (long)wd2;
1365	req->ptr2 = SvPVbyte_nolen (req->sv2);
1366		1478
1367	REQ_SEND;	1479	REQ_SEND;
1368	}	1480	}
1369		1481
1370	void	1482	void
…		…
1372	PPCODE:	1484	PPCODE:
1373	{	1485	{
1374	dREQ;	1486	dREQ;
1375		1487
1376	req->type = EIO_MKNOD;	1488	req->type = EIO_MKNOD;
1377	req->sv1 = newSVsv (pathname);
1378	req->ptr1 = SvPVbyte_nolen (req->sv1);
1379	req->int2 = (mode_t)mode;	1489	req->int2 = (mode_t)mode;
1380	req->offs = dev;	1490	req->offs = dev;
		1491	req_set_path1 (req, pathname);
1381		1492
1382	REQ_SEND;	1493	REQ_SEND;
1383	}	1494	}
1384		1495
1385	void	1496	void
…		…
1452		1563
1453	req->type = EIO_MLOCKALL;	1564	req->type = EIO_MLOCKALL;
1454	req->int1 = flags;	1565	req->int1 = flags;
1455		1566
1456	REQ_SEND;	1567	REQ_SEND;
		1568	}
		1569
		1570	void
		1571	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1572	PPCODE:
		1573	{
		1574	int fd = s_fileno_croak (fh, 0);
		1575	dREQ;
		1576
		1577	req->type = EIO_CUSTOM;
		1578	req->sv1 = newSVsv (fh);
		1579	req->int1 = fd;
		1580
		1581	req->feed = fiemap;
		1582	#if HAVE_FIEMAP
		1583	/* keep our fingers crossed that the next two types are 64 bit */
		1584	req->offs = start;
		1585	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1586	req->int2 = flags;
		1587	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1588	#endif
		1589
		1590	REQ_SEND;
1457	}	1591	}
1458		1592
1459	void	1593	void
1460	aio_busy (double delay, SV *callback=&PL_sv_undef)	1594	aio_busy (double delay, SV *callback=&PL_sv_undef)
1461	PPCODE:	1595	PPCODE:
…		…
1585	CODE:	1719	CODE:
1586	RETVAL = posix_fadvise (fh, offset, length, advice);	1720	RETVAL = posix_fadvise (fh, offset, length, advice);
1587	OUTPUT:	1721	OUTPUT:
1588	RETVAL	1722	RETVAL
1589		1723
1590	ssize_t	1724	IV
1591	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1725	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592	CODE:	1726	CODE:
1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1727	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594	OUTPUT:	1728	OUTPUT:
1595	RETVAL	1729	RETVAL
1596		1730
1597	void	1731	void
1598	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1732	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1599	PPCODE:	1733	PPCODE:
1600	sv_unmagic (scalar, MMAP_MAGIC);	1734	sv_unmagic (scalar, MMAP_MAGIC);
1601	{	1735	{
1602	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1736	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1737	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1636	ALIAS:	1770	ALIAS:
1637	mprotect = 1	1771	mprotect = 1
1638	CODE:	1772	CODE:
1639	{	1773	{
1640	STRLEN svlen;	1774	STRLEN svlen;
1641	void *addr = SvPVbyte (scalar, svlen);	1775	void *addr = SvPVbyte (scalar, svlen);
1642	size_t len = SvUV (length);	1776	size_t len = SvUV (length);
1643		1777
1644	if (offset < 0)	1778	if (offset < 0)
1645	offset += svlen;	1779	offset += svlen;
1646		1780
…		…
1665	int	1799	int
1666	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1800	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1667	CODE:	1801	CODE:
1668	{	1802	{
1669	STRLEN svlen;	1803	STRLEN svlen;
1670	void *addr = SvPVbyte (scalar, svlen);	1804	void *addr = SvPVbyte (scalar, svlen);
1671	size_t len = SvUV (length);	1805	size_t len = SvUV (length);
1672		1806
1673	if (offset < 0)	1807	if (offset < 0)
1674	offset += svlen;	1808	offset += svlen;
1675		1809
…		…
1682	addr = (void *)(((intptr_t)addr) + offset);	1816	addr = (void *)(((intptr_t)addr) + offset);
1683	eio_page_align (&addr, &len);	1817	eio_page_align (&addr, &len);
1684	#if _POSIX_MEMLOCK_RANGE	1818	#if _POSIX_MEMLOCK_RANGE
1685	RETVAL = munlock (addr, len);	1819	RETVAL = munlock (addr, len);
1686	#else	1820	#else
1687	RETVAL = ((errno = ENOSYS), -1);	1821	RETVAL = EIO_ENOSYS ();
1688	#endif	1822	#endif
1689	}	1823	}
1690	OUTPUT:	1824	OUTPUT:
1691	RETVAL	1825	RETVAL
1692		1826
…		…
1694	munlockall ()	1828	munlockall ()
1695	CODE:	1829	CODE:
1696	#if _POSIX_MEMLOCK	1830	#if _POSIX_MEMLOCK
1697	munlockall ();	1831	munlockall ();
1698	#else	1832	#else
1699	RETVAL = -1;	1833	RETVAL = EIO_ENOSYS ();
1700	errno = ENOSYS;
1701	#endif	1834	#endif
1702	OUTPUT:	1835	OUTPUT:
		1836	RETVAL
		1837
		1838	int
		1839	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1840	CODE:
		1841	{
		1842	#if HAVE_LINUX_SPLICE
		1843	loff_t off_in_, off_out_;
		1844	RETVAL = splice (
		1845	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1846	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1847	length, flags
		1848	);
		1849	#else
		1850	RETVAL = EIO_ENOSYS ();
		1851	#endif
		1852	}
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int
		1857	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1858	CODE:
		1859	#if HAVE_LINUX_SPLICE
		1860	RETVAL = tee (rfh, wfh, length, flags);
		1861	#else
		1862	RETVAL = EIO_ENOSYS ();
		1863	#endif
		1864	OUTPUT:
1703	RETVAL	1865	RETVAL
1704		1866
1705	void _on_next_submit (SV *cb)	1867	void _on_next_submit (SV *cb)
1706	CODE:	1868	CODE:
1707	SvREFCNT_dec (on_next_submit);	1869	SvREFCNT_dec (on_next_submit);
1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1870	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709		1871
1710	PROTOTYPES: DISABLE	1872	PROTOTYPES: DISABLE
1711		1873
		1874	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1875
		1876	BOOT:
		1877	{
		1878	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1879	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1880	}
		1881
		1882	void
		1883	DESTROY (SV *self)
		1884	CODE:
		1885	{
		1886	aio_wd wd = SvAIO_WD (self);
		1887	#if HAVE_AT
		1888	{
		1889	SV *callback = &PL_sv_undef;
		1890	dREQ; /* clobbers next_pri :/ */
		1891	next_pri = req->pri; /* restore next_pri */
		1892	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1893	req->type = EIO_WD_CLOSE;
		1894	req->wd = wd;
		1895	REQ_SEND;
		1896	}
		1897	#else
		1898	eio_wd_close_sync (wd);
		1899	#endif
		1900	}
		1901
1712	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1902	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713		1903
1714	void	1904	void
1715	cancel (aio_req_ornot req)	1905	cancel (aio_req_ornot req)
1716	CODE:	1906	CODE:

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