[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
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
		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
22	#endif	31	#endif
23		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
…		…
62	#undef dup	71	#undef dup
63	#undef dup2	72	#undef dup2
64	#undef abort	73	#undef abort
65	#undef pipe	74	#undef pipe
66		75
		76	#define EIO_STRUCT_STAT struct _stati64
		77	#define EIO_STRUCT_STATI64
		78
67	#else	79	#else
68		80
69	#include <sys/time.h>	81	#include <sys/time.h>
70	#include <sys/select.h>	82	#include <sys/select.h>
71	#include <unistd.h>	83	#include <unistd.h>
72	#include <utime.h>	84	#include <utime.h>
73	#include <signal.h>	85	#include <signal.h>
74		86
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
78		88
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	89	#endif
89		90
90	/*****************************************************************************/	91	/*****************************************************************************/
91		92
92	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	124	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	125	#define EIO_DESTROY(req) req_destroy (req)
125		126
126	#include "libeio/eio.c"	127	#include "libeio/eio.c"
127		128
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
194	# 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 */
195	#endif	131	#endif
196		132
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	135	#endif
291		136
292	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	138	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
295	# else	140	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	142	# endif
298	#endif	143	#endif
299	#ifndef MAP_HUGETLB	144
300	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	146	#include "def0.h"
302	#ifndef MAP_LOCKED
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		147
315	#ifndef makedev	148	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) \| (min))	149	# define makedev(maj,min) (((maj) << 8) \| (min))
317	#endif	150	#endif
318	#ifndef major	151	#ifndef major
…		…
323	#endif	156	#endif
324		157
325	#ifndef PAGESIZE	158	#ifndef PAGESIZE
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	160	#endif
		161
		162	/*****************************************************************************/
		163
		164	static void
		165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	int count = req->int3;
		171
		172	/* heuristic: first try with 72 extents if we don't know how many, */
		173	/* as most files have (hopefully) fewer than this many extents */
		174	/* in fact, most should have <= 2, so the 72 below is probably overkill */
		175	if (count < 0)
		176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		177
		178	for (;;)
		179	{
		180	struct fiemap fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) * count);
		181	errno = ENOMEM;
		182	if (!fiemap)
		183	return;
		184
		185	req->ptr1 = fiemap;
		186	req->flags \|= EIO_FLAG_PTR1_FREE;
		187
		188	fiemap->fm_start = req->offs;
		189	fiemap->fm_length = req->size;
		190	fiemap->fm_flags = req->int2;
		191	fiemap->fm_extent_count = count;
		192
		193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		194	return;
		195
		196	if (req->int3 >= 0)
		197	break; /* when not autosizing we are done */
		198
		199	if (fiemap->fm_mapped_extents < count)
		200	/* either autosizing succeeded,
		201	* or the file had no extents
		202	* or we luckily had enough space */
		203	break;
		204
		205	/* some kernels overwrite fm_length, so just reset everything */
		206	fiemap->fm_start = req->offs;
		207	fiemap->fm_length = req->size;
		208	fiemap->fm_flags = req->int2;
		209	fiemap->fm_extent_count = 0;
		210
		211	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		212	return;
		213
		214	/* to work around a kernel bug, we allocate one more */
		215	count = fiemap->fm_mapped_extents + 1;
		216
		217	free (fiemap);
		218	}
		219
		220	req->result = 0;
		221
		222	#else
		223	errno = ENOSYS;
		224	#endif
		225	}
		226
		227	/*****************************************************************************/
328		228
329	enum {	229	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	230	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	231	};
332		232
333	typedef eio_req *aio_req;	233	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	234	typedef eio_req *aio_req_ornot;
335	typedef eio_wd *aio_wd;	235	typedef eio_wd aio_wd;
336		236
337	static SV *on_next_submit;	237	static SV *on_next_submit;
338	static int next_pri = EIO_PRI_DEFAULT;	238	static int next_pri = EIO_PRI_DEFAULT;
339	static int max_outstanding;	239	static int max_outstanding;
340		240
341	static s_epipe respipe;	241	static s_epipe respipe;
342		242
343	static void req_destroy (aio_req req);	243	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	244	static void req_cancel (aio_req req);
345		245
346	static void want_poll (void)	246	static void
		247	want_poll (void)
347	{	248	{
348	/* write a dummy byte to the pipe so fh becomes ready */	249	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	250	s_epipe_signal (&respipe);
350	}	251	}
351		252
352	static void done_poll (void)	253	static void
		254	done_poll (void)
353	{	255	{
354	/* read any signals sent by the worker threads */	256	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	257	s_epipe_drain (&respipe);
356	}	258	}
357		259
358	/* must be called at most once */	260	/* must be called at most once */
		261	static SV *
359	static SV req_sv (aio_req req, HV stash)	262	req_sv (aio_req req, HV *stash)
360	{	263	{
361	if (!req->self)	264	if (!req->self)
362	{	265	{
363	req->self = (SV *)newHV ();	266	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	267	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365	}	268	}
366		269
367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	270	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368	}	271	}
369		272
370	static aio_req SvAIO_REQ (SV *sv)	273	static SV *
		274	newSVaio_wd (aio_wd wd)
		275	{
		276	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		277	}
		278
		279	static aio_req
		280	SvAIO_REQ (SV *sv)
371	{	281	{
372	MAGIC *mg;	282	MAGIC *mg;
373		283
374	if (!SvROK (sv)	284	if (!SvROK (sv)
		285	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	286	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
376	&& SvSTASH (SvRV (sv)) != aio_req_stash	287	&& SvSTASH (SvRV (sv)) != aio_req_stash
377	&& !sv_derived_from (sv, "IO::AIO::REQ")))	288	&& !sv_derived_from (sv, "IO::AIO::REQ")))
378	croak ("object of class IO::AIO::REQ expected");	289	croak ("object of class IO::AIO::REQ expected");
379		290
380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	291	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381		292
382	return mg ? (aio_req)mg->mg_ptr : 0;	293	return mg ? (aio_req)mg->mg_ptr : 0;
383	}	294	}
384		295
385	static aio_wd SvAIO_WD (SV *sv)	296	static aio_wd
		297	SvAIO_WD (SV *sv)
386	{	298	{
387	if (!SvROK (sv)	299	if (!SvROK (sv)
		300	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
388	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	301	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
389	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG)
390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	302	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391		303
392	return (aio_wd)(long)SvIVX (SvRV (sv));	304	return (aio_wd)(long)SvIVX (SvRV (sv));
393	}	305	}
394		306
		307	static void
395	static void aio_grp_feed (aio_req grp)	308	aio_grp_feed (aio_req grp)
396	{	309	{
397	if (grp->sv2 && SvOK (grp->sv2))	310	if (grp->sv2 && SvOK (grp->sv2))
398	{	311	{
399	dSP;	312	dSP;
400		313
…		…
408	FREETMPS;	321	FREETMPS;
409	LEAVE;	322	LEAVE;
410	}	323	}
411	}	324	}
412		325
		326	static void
413	static void req_submit (eio_req *req)	327	req_submit (eio_req *req)
414	{	328	{
415	eio_submit (req);	329	eio_submit (req);
416		330
417	if (expect_false (on_next_submit))	331	if (expect_false (on_next_submit))
418	{	332	{
…		…
425	PUTBACK;	339	PUTBACK;
426	call_sv (cb, G_DISCARD \| G_EVAL);	340	call_sv (cb, G_DISCARD \| G_EVAL);
427	}	341	}
428	}	342	}
429		343
		344	static int
430	static int req_invoke (eio_req *req)	345	req_invoke (eio_req *req)
431	{	346	{
432	if (req->flags & FLAG_SV2_RO_OFF)	347	if (req->flags & FLAG_SV2_RO_OFF)
433	SvREADONLY_off (req->sv2);	348	SvREADONLY_off (req->sv2);
434		349
435	if (!EIO_CANCELLED (req) && req->callback)	350	if (!EIO_CANCELLED (req) && req->callback)
…		…
457	}	372	}
458		373
459	switch (req->type)	374	switch (req->type)
460	{	375	{
461	case EIO_WD_OPEN:	376	case EIO_WD_OPEN:
462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));	377	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463	break;	378	break;
464		379
465	case EIO_READDIR:	380	case EIO_READDIR:
466	{	381	{
467	SV *rv = &PL_sv_undef;	382	SV *rv = &PL_sv_undef;
…		…
611	break;	526	break;
612		527
613	case EIO_STAT:	528	case EIO_STAT:
614	case EIO_LSTAT:	529	case EIO_LSTAT:
615	case EIO_FSTAT:	530	case EIO_FSTAT:
616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	531	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		532
617	PL_laststatval = req->result;	533	if (!(PL_laststatval = req->result))
618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	534	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
619	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	535	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
		536
620	PUSHs (sv_result);	537	PUSHs (sv_result);
		538	break;
		539
		540	case EIO_SEEK:
		541	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
621	break;	542	break;
622		543
623	case EIO_READ:	544	case EIO_READ:
624	{	545	{
625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	546	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
628	SvSETMAGIC (req->sv2);	549	SvSETMAGIC (req->sv2);
629	PUSHs (sv_result);	550	PUSHs (sv_result);
630	}	551	}
631	break;	552	break;
632		553
		554	case EIO_CUSTOM:
		555	if (req->feed == fiemap)
		556	{
		557	#if HAVE_FIEMAP
		558	if (!req->result)
		559	{
		560	struct fiemap fiemap = (struct fiemap )req->ptr1;
		561
		562	if (fiemap->fm_extent_count)
		563	{
		564	AV *av = newAV ();
		565	int i;
		566
		567	while (fiemap->fm_mapped_extents)
		568	{
		569	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		570	AV *ext_av = newAV ();
		571
		572	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		573	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		574	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		575	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		576
		577	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		578	}
		579
		580	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		581	}
		582	else
		583	{
		584	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		585	PUSHs (sv_result);
		586	}
		587	}
		588	#endif
		589	}
		590	else
		591	PUSHs (sv_result);
		592	break;
		593
633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	594	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634	if (req->result > 0)	595	if (req->result > 0)
635	SvIV_set (sv_result, 0);	596	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	597	/* FALLTHROUGH */
637		598
…		…
658	}	619	}
659		620
660	return !!SvTRUE (ERRSV);	621	return !!SvTRUE (ERRSV);
661	}	622	}
662		623
		624	static void
663	static void req_destroy (aio_req req)	625	req_destroy (aio_req req)
664	{	626	{
665	if (req->self)	627	if (req->self)
666	{	628	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	629	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	630	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	634	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	635	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	636	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	637	SvREFCNT_dec (req->callback);
676		638
677	Safefree (req);	639	free (req);
678	}	640	}
679		641
		642	static void
680	static void req_cancel_subs (aio_req grp)	643	req_cancel_subs (aio_req grp)
681	{	644	{
682	if (grp->type != EIO_GROUP)	645	if (grp->type != EIO_GROUP)
683	return;	646	return;
684		647
685	SvREFCNT_dec (grp->sv2);	648	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	649	grp->sv2 = 0;
687		650
688	eio_grp_cancel (grp);	651	eio_grp_cancel (grp);
689	}	652	}
690		653
		654	static void ecb_cold
691	static void create_respipe (void)	655	create_respipe (void)
692	{	656	{
693	if (s_epipe_renew (&respipe))	657	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	658	croak ("IO::AIO: unable to initialize result pipe");
695	}	659	}
696		660
697	static void poll_wait (void)	661	static void
		662	poll_wait (void)
698	{	663	{
699	while (eio_nreqs ())	664	while (eio_nreqs ())
700	{	665	{
701	int size;	666	int size;
702		667
…		…
711		676
712	s_epipe_wait (&respipe);	677	s_epipe_wait (&respipe);
713	}	678	}
714	}	679	}
715		680
716	static int poll_cb (void)	681	static int
		682	poll_cb (void)
717	{	683	{
718	for (;;)	684	for (;;)
719	{	685	{
720	int res = eio_poll ();	686	int res = eio_poll ();
721		687
…		…
739	}	705	}
740		706
741	/*****************************************************************************/	707	/*****************************************************************************/
742		708
743	#if !_POSIX_MAPPED_FILES	709	#if !_POSIX_MAPPED_FILES
744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
745	# define munmap(addr,length) (errno = ENOSYS, -1)	711	# define munmap(addr,length) EIO_ENOSYS ()
746	#endif	712	#endif
747		713
748	#if !_POSIX_MEMORY_PROTECTION	714	#if !_POSIX_MEMORY_PROTECTION
749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
750	# define PROT_NONE 0	716	# define PROT_NONE 0
751	# define PROT_WRITE 0	717	# define PROT_WRITE 0
752	# define MAP_PRIVATE 0	718	# define MAP_PRIVATE 0
753	# define MAP_SHARED 0	719	# define MAP_SHARED 0
754	# define MAP_FIXED 0	720	# define MAP_FIXED 0
755	#endif	721	#endif
756		722
757	#define MMAP_MAGIC PERL_MAGIC_ext	723	#define MMAP_MAGIC PERL_MAGIC_ext
758		724
		725	static int ecb_cold
759	static int mmap_free (pTHX_ SV sv, MAGIC mg)	726	mmap_free (pTHX_ SV sv, MAGIC mg)
760	{	727	{
761	int old_errno = errno;	728	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;	730	errno = old_errno;
764		731
…		…
780	0, 0, 0, 0, mmap_free	747	0, 0, 0, 0, mmap_free
781	};	748	};
782		749
783	/*****************************************************************************/	750	/*****************************************************************************/
784		751
		752	static SV *
785	static SV * get_cb (SV *cb_sv)	753	get_cb (SV *cb_sv)
786	{	754	{
787	SvGETMAGIC (cb_sv);	755	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	756	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	757	}
790		758
		759	static aio_req ecb_noinline
		760	dreq (SV *callback)
		761	{
		762	SV *cb_cv;
		763	aio_req req;
		764	int req_pri = next_pri;
		765	next_pri = EIO_PRI_DEFAULT;
		766
		767	cb_cv = get_cb (callback);
		768
		769	req = calloc (sizeof (*req), 1);
		770	if (!req)
		771	croak ("out of memory during eio_req allocation");
		772
		773	req->callback = SvREFCNT_inc (cb_cv);
		774	req->pri = req_pri;
		775
		776	return req;
		777	}
		778
791	#define dREQ \	779	#define dREQ \
792	SV *cb_cv; \	780	aio_req req = dreq (callback); \
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	Newz (0, req, 1, eio_req); \
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		781
806	#define REQ_SEND \	782	#define REQ_SEND \
807	PUTBACK; \	783	PUTBACK; \
808	req_submit (req); \	784	req_submit (req); \
809	SPAGAIN; \	785	SPAGAIN; \
810	\	786	\
811	if (GIMME_V != G_VOID) \	787	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	788	XPUSHs (req_sv (req, aio_req_stash));
813		789
814	static void	790	ecb_inline void
815	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	791	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
816	{	792	{
817	if (SvROK (path))	793	if (expect_false (SvROK (path)))
818	{	794	{
819	AV av = (AV )SvRV (path);	795	SV *rv = SvRV (path);
820	SV *wdob;	796	SV *wdob;
821		797
822	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	798	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	799	{
824
825	path = AvARRAY (av)[1];	800	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	801	wdob = AvARRAY (rv)[0];
827		802
		803	if (SvOK (wdob))
		804	{
828	*wd = SvAIO_WD (wdob);	805	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	806	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		807	}
		808	else
		809	*wd = EIO_INVALID_WD;
		810	}
		811	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		812	{
		813	*wd = (aio_wd)(long)SvIVX (rv);
		814	*wdsv = SvREFCNT_inc_NN (rv);
		815	*ptr = ".";
		816	return; /* path set to "." */
		817	}
		818	else
		819	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830	}	820	}
831		821
832	*pathsv = newSVsv (path);	822	*pathsv = newSVsv (path);
833	ptr = SvPVbyte_nolen (pathsv);	823	ptr = SvPVbyte_nolen (pathsv);
834	}	824	}
835		825
836	static void	826	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	827	req_set_path1 (aio_req req, SV *path)
838	{	828	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	829	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	830	}
841		831
842	static void	832	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	833	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	834	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	835	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		836
847	switch (SvTYPE (rv))	837	switch (SvTYPE (rv))
…		…
857	default:	847	default:
858	req->type = type_path;	848	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	849	req_set_path1 (req, fh_or_path);
860	break;	850	break;
861	}	851	}
862
863	}	852	}
		853
		854	XS(boot_IO__AIO) ecb_cold;
864		855
865	MODULE = IO::AIO PACKAGE = IO::AIO	856	MODULE = IO::AIO PACKAGE = IO::AIO
866		857
867	PROTOTYPES: ENABLE	858	PROTOTYPES: ENABLE
868		859
…		…
873	IV iv;	864	IV iv;
874	} *civ, const_iv[] = {	865	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	866	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	867	# define const_iv(name) { # name, (IV) name },
877	# define const_eio(name) { # name, (IV) EIO_ ## name },	868	# define const_eio(name) { # name, (IV) EIO_ ## name },
		869
		870	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		871
		872	const_iv (ENOSYS)
878	const_iv (EXDEV)	873	const_iv (EXDEV)
879	const_iv (ENOSYS)	874	const_iv (EBADR)
		875
880	const_iv (O_RDONLY)	876	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	877	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	878	const_iv (O_RDWR)
883	const_iv (O_CREAT)	879	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	880	const_iv (O_TRUNC)
…		…
952	const_iv (MAP_LOCKED)	948	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	949	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	950	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	951	const_iv (MAP_NONBLOCK)
956		952
		953	const_iv (FIEMAP_FLAG_SYNC)
		954	const_iv (FIEMAP_FLAG_XATTR)
		955	const_iv (FIEMAP_FLAGS_COMPAT)
		956	const_iv (FIEMAP_EXTENT_LAST)
		957	const_iv (FIEMAP_EXTENT_UNKNOWN)
		958	const_iv (FIEMAP_EXTENT_DELALLOC)
		959	const_iv (FIEMAP_EXTENT_ENCODED)
		960	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		961	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		962	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		963	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		964	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		965	const_iv (FIEMAP_EXTENT_MERGED)
		966	const_iv (FIEMAP_EXTENT_SHARED)
		967
		968	const_iv (SPLICE_F_MOVE)
		969	const_iv (SPLICE_F_NONBLOCK)
		970	const_iv (SPLICE_F_MORE)
		971	const_iv (SPLICE_F_GIFT)
		972
		973	const_iv (SEEK_DATA)
		974	const_iv (SEEK_HOLE)
		975
		976	/* libeio constants */
		977	const_eio (SEEK_SET)
		978	const_eio (SEEK_CUR)
		979	const_eio (SEEK_END)
		980
957	const_eio (MCL_FUTURE)	981	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	982	const_eio (MCL_CURRENT)
959		983
960	const_eio (MS_ASYNC)	984	const_eio (MS_ASYNC)
961	const_eio (MS_INVALIDATE)	985	const_eio (MS_INVALIDATE)
…		…
966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	990	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
967	const_eio (SYNC_FILE_RANGE_WRITE)	991	const_eio (SYNC_FILE_RANGE_WRITE)
968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
969		993
970	const_eio (FALLOC_FL_KEEP_SIZE)	994	const_eio (FALLOC_FL_KEEP_SIZE)
		995	const_eio (FALLOC_FL_PUNCH_HOLE)
971		996
972	const_eio (READDIR_DENTS)	997	const_eio (READDIR_DENTS)
973	const_eio (READDIR_DIRS_FIRST)	998	const_eio (READDIR_DIRS_FIRST)
974	const_eio (READDIR_STAT_ORDER)	999	const_eio (READDIR_STAT_ORDER)
975	const_eio (READDIR_FOUND_UNKNOWN)	1000	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1083		1108
1084	req->type = ix;	1109	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1110	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1111	req->int1 = fd;
1087		1112
1088	REQ_SEND (req);	1113	REQ_SEND;
1089	}	1114	}
1090		1115
1091	void	1116	void
1092	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1117	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1093	PPCODE:	1118	PPCODE:
…		…
1100	req->int1 = fd;	1125	req->int1 = fd;
1101	req->offs = offset;	1126	req->offs = offset;
1102	req->size = nbytes;	1127	req->size = nbytes;
1103	req->int2 = flags;	1128	req->int2 = flags;
1104		1129
1105	REQ_SEND (req);	1130	REQ_SEND;
1106	}	1131	}
1107		1132
1108	void	1133	void
1109	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1134	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1110	PPCODE:	1135	PPCODE:
…		…
1117	req->int1 = fd;	1142	req->int1 = fd;
1118	req->int2 = mode;	1143	req->int2 = mode;
1119	req->offs = offset;	1144	req->offs = offset;
1120	req->size = len;	1145	req->size = len;
1121		1146
1122	REQ_SEND (req);	1147	REQ_SEND;
1123	}	1148	}
1124		1149
1125	void	1150	void
1126	aio_close (SV fh, SV callback=&PL_sv_undef)	1151	aio_close (SV fh, SV callback=&PL_sv_undef)
1127	PPCODE:	1152	PPCODE:
…		…
1151	req->type = EIO_DUP2;	1176	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1177	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1178	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1179	req->int2 = fd;
1155		1180
1156	REQ_SEND (req);	1181	REQ_SEND;
		1182	}
		1183
		1184	void
		1185	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1186	PPCODE:
		1187	{
		1188	int fd = s_fileno_croak (fh, 0);
		1189	dREQ;
		1190
		1191	req->type = EIO_SEEK;
		1192	req->sv1 = newSVsv (fh);
		1193	req->int1 = fd;
		1194	req->offs = SvVAL64 (offset);
		1195	req->int2 = whence;
		1196
		1197	REQ_SEND;
1157	}	1198	}
1158		1199
1159	void	1200	void
1160	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1201	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1161	ALIAS:	1202	ALIAS:
…		…
1182	}	1223	}
1183	else	1224	else
1184	{	1225	{
1185	/* read: check type and grow scalar as necessary */	1226	/* read: check type and grow scalar as necessary */
1186	SvUPGRADE (data, SVt_PV);	1227	SvUPGRADE (data, SVt_PV);
		1228	if (SvLEN (data) >= SvCUR (data))
1187	svptr = SvGROW (data, len + dataoffset + 1);	1229	svptr = SvGROW (data, len + dataoffset + 1);
		1230	else if (SvCUR (data) < len + dataoffset)
		1231	croak ("length + dataoffset outside of scalar, and cannot grow");
1188	}	1232	}
1189		1233
1190	{	1234	{
1191	dREQ;	1235	dREQ;
1192		1236
…		…
1267	aio_statvfs = EIO_STATVFS	1311	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1312	PPCODE:
1269	{	1313	{
1270	dREQ;	1314	dREQ;
1271		1315
1272	req->sv1 = newSVsv (fh_or_path);
1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1316	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1317
1274	REQ_SEND;	1318	REQ_SEND;
1275	}	1319	}
1276		1320
1277	UV	1321	UV
1278	major (UV dev)	1322	major (UV dev)
…		…
1315	REQ_SEND;	1359	REQ_SEND;
1316	}	1360	}
1317		1361
1318	void	1362	void
1319	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1363	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
1320	ALIAS:
1321	aio_chmod = EIO_CHMOD
1322	aio_mkdir = EIO_MKDIR
1323	PPCODE:	1364	PPCODE:
1324	{	1365	{
1325	dREQ;	1366	dREQ;
1326		1367
1327	req->int2 = mode;	1368	req->int2 = mode;
…		…
1348	PPCODE:	1389	PPCODE:
1349	{	1390	{
1350	dREQ;	1391	dREQ;
1351		1392
1352	req->type = EIO_READDIR;	1393	req->type = EIO_READDIR;
1353	req->sv1 = newSVsv (pathname);
1354	req->ptr1 = SvPVbyte_nolen (req->sv1);
1355	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1394	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1356		1395
1357	if (flags & EIO_READDIR_DENTS)	1396	if (flags & EIO_READDIR_DENTS)
1358	req->int1 \|= EIO_READDIR_CUSTOM2;	1397	req->int1 \|= EIO_READDIR_CUSTOM2;
1359		1398
		1399	req_set_path1 (req, pathname);
		1400
1360	REQ_SEND;	1401	REQ_SEND;
		1402	}
		1403
		1404	void
		1405	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1406	PPCODE:
		1407	{
		1408	dREQ;
		1409
		1410	req->type = EIO_MKDIR;
		1411	req->int2 = mode;
		1412	req_set_path1 (req, pathname);
		1413
		1414	REQ_SEND;
1361	}	1415	}
1362		1416
1363	void	1417	void
1364	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1418	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1365	ALIAS:	1419	ALIAS:
…		…
1382	aio_link = EIO_LINK	1436	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1437	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1438	aio_rename = EIO_RENAME
1385	PPCODE:	1439	PPCODE:
1386	{	1440	{
		1441	eio_wd wd2 = 0;
1387	dREQ;	1442	dREQ;
1388	eio_wd wd2;
1389		1443
1390	req->type = ix;	1444	req->type = ix;
1391	req_set_path1 (req, oldpath);	1445	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1446	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1447	req->int3 = (long)wd2;
…		…
1479		1533
1480	req->type = EIO_MLOCKALL;	1534	req->type = EIO_MLOCKALL;
1481	req->int1 = flags;	1535	req->int1 = flags;
1482		1536
1483	REQ_SEND;	1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1542	PPCODE:
		1543	{
		1544	int fd = s_fileno_croak (fh, 0);
		1545	dREQ;
		1546
		1547	req->type = EIO_CUSTOM;
		1548	req->sv1 = newSVsv (fh);
		1549	req->int1 = fd;
		1550
		1551	req->feed = fiemap;
		1552	#if HAVE_FIEMAP
		1553	/* keep our fingers crossed that the next two types are 64 bit */
		1554	req->offs = start;
		1555	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1556	req->int2 = flags;
		1557	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1558	#endif
		1559
		1560	REQ_SEND;
1484	}	1561	}
1485		1562
1486	void	1563	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1564	aio_busy (double delay, SV *callback=&PL_sv_undef)
1488	PPCODE:	1565	PPCODE:
…		…
1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1621	OUTPUT:	1698	OUTPUT:
1622	RETVAL	1699	RETVAL
1623		1700
1624	void	1701	void
1625	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1702	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1626	PPCODE:	1703	PPCODE:
1627	sv_unmagic (scalar, MMAP_MAGIC);	1704	sv_unmagic (scalar, MMAP_MAGIC);
1628	{	1705	{
1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1706	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1630	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1707	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1663	ALIAS:	1740	ALIAS:
1664	mprotect = 1	1741	mprotect = 1
1665	CODE:	1742	CODE:
1666	{	1743	{
1667	STRLEN svlen;	1744	STRLEN svlen;
1668	void *addr = SvPVbyte (scalar, svlen);	1745	void *addr = SvPVbyte (scalar, svlen);
1669	size_t len = SvUV (length);	1746	size_t len = SvUV (length);
1670		1747
1671	if (offset < 0)	1748	if (offset < 0)
1672	offset += svlen;	1749	offset += svlen;
1673		1750
…		…
1709	addr = (void *)(((intptr_t)addr) + offset);	1786	addr = (void *)(((intptr_t)addr) + offset);
1710	eio_page_align (&addr, &len);	1787	eio_page_align (&addr, &len);
1711	#if _POSIX_MEMLOCK_RANGE	1788	#if _POSIX_MEMLOCK_RANGE
1712	RETVAL = munlock (addr, len);	1789	RETVAL = munlock (addr, len);
1713	#else	1790	#else
1714	RETVAL = ((errno = ENOSYS), -1);	1791	RETVAL = EIO_ENOSYS ();
1715	#endif	1792	#endif
1716	}	1793	}
1717	OUTPUT:	1794	OUTPUT:
1718	RETVAL	1795	RETVAL
1719		1796
…		…
1721	munlockall ()	1798	munlockall ()
1722	CODE:	1799	CODE:
1723	#if _POSIX_MEMLOCK	1800	#if _POSIX_MEMLOCK
1724	munlockall ();	1801	munlockall ();
1725	#else	1802	#else
1726	RETVAL = -1;	1803	RETVAL = EIO_ENOSYS ();
1727	errno = ENOSYS;
1728	#endif	1804	#endif
1729	OUTPUT:	1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int
		1809	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1810	CODE:
		1811	{
		1812	#if HAVE_LINUX_SPLICE
		1813	loff_t off_in_, off_out_;
		1814	RETVAL = splice (
		1815	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1816	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1817	length, flags
		1818	);
		1819	#else
		1820	RETVAL = EIO_ENOSYS ();
		1821	#endif
		1822	}
		1823	OUTPUT:
		1824	RETVAL
		1825
		1826	int
		1827	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1828	CODE:
		1829	#if HAVE_LINUX_SPLICE
		1830	RETVAL = tee (rfh, wfh, length, flags);
		1831	#else
		1832	RETVAL = EIO_ENOSYS ();
		1833	#endif
		1834	OUTPUT:
1730	RETVAL	1835	RETVAL
1731		1836
1732	void _on_next_submit (SV *cb)	1837	void _on_next_submit (SV *cb)
1733	CODE:	1838	CODE:
1734	SvREFCNT_dec (on_next_submit);	1839	SvREFCNT_dec (on_next_submit);
…		…
1736		1841
1737	PROTOTYPES: DISABLE	1842	PROTOTYPES: DISABLE
1738		1843
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	1844	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		1845
		1846	BOOT:
		1847	{
		1848	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1849	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1850	}
		1851
1741	void	1852	void
1742	DESTROY (SV *self)	1853	DESTROY (SV *self)
1743	CODE:	1854	CODE:
1744	{	1855	{
1745	aio_wd wd = SvAIO_WD (self);	1856	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	1857	#if HAVE_AT
		1858	{
1747	SV *callback = &PL_sv_undef;	1859	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	1860	dREQ; /* clobbers next_pri :/ */
		1861	next_pri = req->pri; /* restore next_pri */
		1862	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	1863	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	1864	req->wd = wd;
1751	REQ_SEND;	1865	REQ_SEND;
		1866	}
1752	#else	1867	#else
1753	eio_wd_close_sync (wd);	1868	eio_wd_close_sync (wd);
1754	#endif	1869	#endif
1755	}	1870	}
1756		1871

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs. Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC