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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.200 by root, Thu Sep 29 09:51:24 2011 UTC vs.
Revision 1.218 by root, Fri Jul 27 17:54:40 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)
		200	break; /* if file has no segments, we are done */
		201
		202	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		203	break; /* autosizing successful, we are done */
		204
		205	fiemap->fm_flags = req->int2;
		206	fiemap->fm_extent_count = 0;
		207
		208	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		209	return;
		210
		211	count = fiemap->fm_mapped_extents;
		212
		213	free (fiemap);
		214	}
		215
		216	req->result = 0;
		217
		218	#else
		219	errno = ENOSYS;
		220	#endif
		221	}
		222
		223	/*****************************************************************************/
328		224
329	enum {	225	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	226	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	227	};
332		228
…		…
341	static s_epipe respipe;	237	static s_epipe respipe;
342		238
343	static void req_destroy (aio_req req);	239	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	240	static void req_cancel (aio_req req);
345		241
346	static void want_poll (void)	242	static void
		243	want_poll (void)
347	{	244	{
348	/* write a dummy byte to the pipe so fh becomes ready */	245	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	246	s_epipe_signal (&respipe);
350	}	247	}
351		248
352	static void done_poll (void)	249	static void
		250	done_poll (void)
353	{	251	{
354	/* read any signals sent by the worker threads */	252	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	253	s_epipe_drain (&respipe);
356	}	254	}
357		255
358	/* must be called at most once */	256	/* must be called at most once */
		257	static SV *
359	static SV req_sv (aio_req req, HV stash)	258	req_sv (aio_req req, HV *stash)
360	{	259	{
361	if (!req->self)	260	if (!req->self)
362	{	261	{
363	req->self = (SV *)newHV ();	262	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	263	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
…		…
368	}	267	}
369		268
370	static SV *	269	static SV *
371	newSVaio_wd (aio_wd wd)	270	newSVaio_wd (aio_wd wd)
372	{	271	{
373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);	272	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
374	}	273	}
375		274
376	static aio_req SvAIO_REQ (SV *sv)	275	static aio_req
		276	SvAIO_REQ (SV *sv)
377	{	277	{
378	MAGIC *mg;	278	MAGIC *mg;
379		279
380	if (!SvROK (sv)	280	if (!SvROK (sv)
		281	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
381	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	282	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
382	&& SvSTASH (SvRV (sv)) != aio_req_stash	283	&& SvSTASH (SvRV (sv)) != aio_req_stash
383	&& !sv_derived_from (sv, "IO::AIO::REQ")))	284	&& !sv_derived_from (sv, "IO::AIO::REQ")))
384	croak ("object of class IO::AIO::REQ expected");	285	croak ("object of class IO::AIO::REQ expected");
385		286
386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	287	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
387		288
388	return mg ? (aio_req)mg->mg_ptr : 0;	289	return mg ? (aio_req)mg->mg_ptr : 0;
389	}	290	}
390		291
391	static aio_wd SvAIO_WD (SV *sv)	292	static aio_wd
		293	SvAIO_WD (SV *sv)
392	{	294	{
393	if (!SvROK (sv)	295	if (!SvROK (sv)
		296	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
394	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	297	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
395	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG)
396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	298	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
397		299
398	return (aio_wd)(long)SvIVX (SvRV (sv));	300	return (aio_wd)(long)SvIVX (SvRV (sv));
399	}	301	}
400		302
		303	static void
401	static void aio_grp_feed (aio_req grp)	304	aio_grp_feed (aio_req grp)
402	{	305	{
403	if (grp->sv2 && SvOK (grp->sv2))	306	if (grp->sv2 && SvOK (grp->sv2))
404	{	307	{
405	dSP;	308	dSP;
406		309
…		…
414	FREETMPS;	317	FREETMPS;
415	LEAVE;	318	LEAVE;
416	}	319	}
417	}	320	}
418		321
		322	static void
419	static void req_submit (eio_req *req)	323	req_submit (eio_req *req)
420	{	324	{
421	eio_submit (req);	325	eio_submit (req);
422		326
423	if (expect_false (on_next_submit))	327	if (expect_false (on_next_submit))
424	{	328	{
…		…
431	PUTBACK;	335	PUTBACK;
432	call_sv (cb, G_DISCARD \| G_EVAL);	336	call_sv (cb, G_DISCARD \| G_EVAL);
433	}	337	}
434	}	338	}
435		339
		340	static int
436	static int req_invoke (eio_req *req)	341	req_invoke (eio_req *req)
437	{	342	{
438	if (req->flags & FLAG_SV2_RO_OFF)	343	if (req->flags & FLAG_SV2_RO_OFF)
439	SvREADONLY_off (req->sv2);	344	SvREADONLY_off (req->sv2);
440		345
441	if (!EIO_CANCELLED (req) && req->callback)	346	if (!EIO_CANCELLED (req) && req->callback)
…		…
463	}	368	}
464		369
465	switch (req->type)	370	switch (req->type)
466	{	371	{
467	case EIO_WD_OPEN:	372	case EIO_WD_OPEN:
468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));	373	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
469	break;	374	break;
470		375
471	case EIO_READDIR:	376	case EIO_READDIR:
472	{	377	{
473	SV *rv = &PL_sv_undef;	378	SV *rv = &PL_sv_undef;
…		…
626	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	531	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
627		532
628	PUSHs (sv_result);	533	PUSHs (sv_result);
629	break;	534	break;
630		535
		536	case EIO_SEEK:
		537	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
		538	break;
		539
631	case EIO_READ:	540	case EIO_READ:
632	{	541	{
633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	542	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
634	*SvEND (req->sv2) = 0;	543	*SvEND (req->sv2) = 0;
635	SvPOK_only (req->sv2);	544	SvPOK_only (req->sv2);
636	SvSETMAGIC (req->sv2);	545	SvSETMAGIC (req->sv2);
637	PUSHs (sv_result);	546	PUSHs (sv_result);
638	}	547	}
639	break;	548	break;
640		549
		550	case EIO_CUSTOM:
		551	if (req->feed == fiemap)
		552	{
		553	#if HAVE_FIEMAP
		554	if (!req->result)
		555	{
		556	struct fiemap fiemap = (struct fiemap )req->ptr1;
		557
		558	if (fiemap->fm_extent_count)
		559	{
		560	AV *av = newAV ();
		561	int i;
		562
		563	while (fiemap->fm_mapped_extents)
		564	{
		565	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		566	AV *ext_av = newAV ();
		567
		568	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		569	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		570	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		571	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		572
		573	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		574	}
		575
		576	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		577	}
		578	else
		579	{
		580	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		581	PUSHs (sv_result);
		582	}
		583	}
		584	#endif
		585	}
		586	else
		587	PUSHs (sv_result);
		588	break;
		589
641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	590	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
642	if (req->result > 0)	591	if (req->result > 0)
643	SvIV_set (sv_result, 0);	592	SvIV_set (sv_result, 0);
644	/* FALLTHROUGH */	593	/* FALLTHROUGH */
645		594
…		…
666	}	615	}
667		616
668	return !!SvTRUE (ERRSV);	617	return !!SvTRUE (ERRSV);
669	}	618	}
670		619
		620	static void
671	static void req_destroy (aio_req req)	621	req_destroy (aio_req req)
672	{	622	{
673	if (req->self)	623	if (req->self)
674	{	624	{
675	sv_unmagic (req->self, PERL_MAGIC_ext);	625	sv_unmagic (req->self, PERL_MAGIC_ext);
676	SvREFCNT_dec (req->self);	626	SvREFCNT_dec (req->self);
…		…
680	SvREFCNT_dec (req->sv2);	630	SvREFCNT_dec (req->sv2);
681	SvREFCNT_dec (req->sv3);	631	SvREFCNT_dec (req->sv3);
682	SvREFCNT_dec (req->sv4);	632	SvREFCNT_dec (req->sv4);
683	SvREFCNT_dec (req->callback);	633	SvREFCNT_dec (req->callback);
684		634
685	Safefree (req);	635	free (req);
686	}	636	}
687		637
		638	static void
688	static void req_cancel_subs (aio_req grp)	639	req_cancel_subs (aio_req grp)
689	{	640	{
690	if (grp->type != EIO_GROUP)	641	if (grp->type != EIO_GROUP)
691	return;	642	return;
692		643
693	SvREFCNT_dec (grp->sv2);	644	SvREFCNT_dec (grp->sv2);
694	grp->sv2 = 0;	645	grp->sv2 = 0;
695		646
696	eio_grp_cancel (grp);	647	eio_grp_cancel (grp);
697	}	648	}
698		649
		650	static void ecb_cold
699	static void create_respipe (void)	651	create_respipe (void)
700	{	652	{
701	if (s_epipe_renew (&respipe))	653	if (s_epipe_renew (&respipe))
702	croak ("IO::AIO: unable to initialize result pipe");	654	croak ("IO::AIO: unable to initialize result pipe");
703	}	655	}
704		656
705	static void poll_wait (void)	657	static void
		658	poll_wait (void)
706	{	659	{
707	while (eio_nreqs ())	660	while (eio_nreqs ())
708	{	661	{
709	int size;	662	int size;
710		663
…		…
719		672
720	s_epipe_wait (&respipe);	673	s_epipe_wait (&respipe);
721	}	674	}
722	}	675	}
723		676
724	static int poll_cb (void)	677	static int
		678	poll_cb (void)
725	{	679	{
726	for (;;)	680	for (;;)
727	{	681	{
728	int res = eio_poll ();	682	int res = eio_poll ();
729		683
…		…
747	}	701	}
748		702
749	/*****************************************************************************/	703	/*****************************************************************************/
750		704
751	#if !_POSIX_MAPPED_FILES	705	#if !_POSIX_MAPPED_FILES
752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	706	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753	# define munmap(addr,length) (errno = ENOSYS, -1)	707	# define munmap(addr,length) EIO_ENOSYS ()
754	#endif	708	#endif
755		709
756	#if !_POSIX_MEMORY_PROTECTION	710	#if !_POSIX_MEMORY_PROTECTION
757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	711	# define mprotect(addr,len,prot) EIO_ENOSYS ()
758	# define PROT_NONE 0	712	# define PROT_NONE 0
759	# define PROT_WRITE 0	713	# define PROT_WRITE 0
760	# define MAP_PRIVATE 0	714	# define MAP_PRIVATE 0
761	# define MAP_SHARED 0	715	# define MAP_SHARED 0
762	# define MAP_FIXED 0	716	# define MAP_FIXED 0
763	#endif	717	#endif
764		718
765	#define MMAP_MAGIC PERL_MAGIC_ext	719	#define MMAP_MAGIC PERL_MAGIC_ext
766		720
		721	static int ecb_cold
767	static int mmap_free (pTHX_ SV sv, MAGIC mg)	722	mmap_free (pTHX_ SV sv, MAGIC mg)
768	{	723	{
769	int old_errno = errno;	724	int old_errno = errno;
770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	725	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
771	errno = old_errno;	726	errno = old_errno;
772		727
…		…
788	0, 0, 0, 0, mmap_free	743	0, 0, 0, 0, mmap_free
789	};	744	};
790		745
791	/*****************************************************************************/	746	/*****************************************************************************/
792		747
		748	static SV *
793	static SV * get_cb (SV *cb_sv)	749	get_cb (SV *cb_sv)
794	{	750	{
795	SvGETMAGIC (cb_sv);	751	SvGETMAGIC (cb_sv);
796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	752	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
797	}	753	}
798		754
		755	static aio_req ecb_noinline
		756	dreq (SV *callback)
		757	{
		758	SV *cb_cv;
		759	aio_req req;
		760	int req_pri = next_pri;
		761	next_pri = EIO_PRI_DEFAULT;
		762
		763	cb_cv = get_cb (callback);
		764
		765	req = calloc (sizeof (*req), 1);
		766	if (!req)
		767	croak ("out of memory during eio_req allocation");
		768
		769	req->callback = SvREFCNT_inc (cb_cv);
		770	req->pri = req_pri;
		771
		772	return req;
		773	}
		774
799	#define dREQ \	775	#define dREQ \
800	SV *cb_cv; \	776	aio_req req = dreq (callback); \
801	aio_req req; \
802	int req_pri = next_pri; \
803	next_pri = EIO_PRI_DEFAULT; \
804	\
805	cb_cv = get_cb (callback); \
806	\
807	Newz (0, req, 1, eio_req); \
808	if (!req) \
809	croak ("out of memory during eio_req allocation"); \
810	\
811	req->callback = SvREFCNT_inc (cb_cv); \
812	req->pri = req_pri
813		777
814	#define REQ_SEND \	778	#define REQ_SEND \
815	PUTBACK; \	779	PUTBACK; \
816	req_submit (req); \	780	req_submit (req); \
817	SPAGAIN; \	781	SPAGAIN; \
818	\	782	\
819	if (GIMME_V != G_VOID) \	783	if (GIMME_V != G_VOID) \
820	XPUSHs (req_sv (req, aio_req_stash));	784	XPUSHs (req_sv (req, aio_req_stash));
821		785
822	static void	786	ecb_inline void
823	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	787	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
824	{	788	{
825	if (expect_false (SvROK (path)))	789	if (expect_false (SvROK (path)))
826	{	790	{
827	AV av = (AV )SvRV (path);	791	SV *rv = SvRV (path);
828	SV *wdob;	792	SV *wdob;
829		793
830	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	794	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
832
833	path = AvARRAY (av)[1];
834	wdob = AvARRAY (av)[0];
835
836	if (SvOK (wdob))
837	{	795	{
		796	path = AvARRAY (rv)[1];
		797	wdob = AvARRAY (rv)[0];
		798
		799	if (SvOK (wdob))
		800	{
838	*wd = SvAIO_WD (wdob);	801	*wd = SvAIO_WD (wdob);
839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	802	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		803	}
		804	else
		805	*wd = EIO_INVALID_WD;
		806	}
		807	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		808	{
		809	*wd = (aio_wd)(long)SvIVX (rv);
		810	*wdsv = SvREFCNT_inc_NN (rv);
		811	*ptr = ".";
		812	return; /* path set to "." */
840	}	813	}
841	else	814	else
842	*wd = EIO_INVALID_WD;	815	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
843	}	816	}
844		817
845	*pathsv = newSVsv (path);	818	*pathsv = newSVsv (path);
846	ptr = SvPVbyte_nolen (pathsv);	819	ptr = SvPVbyte_nolen (pathsv);
847	}	820	}
848		821
849	static void	822	static void ecb_noinline
850	req_set_path1 (aio_req req, SV *path)	823	req_set_path1 (aio_req req, SV *path)
851	{	824	{
852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	825	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
853	}	826	}
854		827
855	static void	828	static void ecb_noinline
856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	829	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
857	{	830	{
858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	831	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
859		832
860	switch (SvTYPE (rv))	833	switch (SvTYPE (rv))
…		…
870	default:	843	default:
871	req->type = type_path;	844	req->type = type_path;
872	req_set_path1 (req, fh_or_path);	845	req_set_path1 (req, fh_or_path);
873	break;	846	break;
874	}	847	}
875
876	}	848	}
		849
		850	XS(boot_IO__AIO) ecb_cold;
877		851
878	MODULE = IO::AIO PACKAGE = IO::AIO	852	MODULE = IO::AIO PACKAGE = IO::AIO
879		853
880	PROTOTYPES: ENABLE	854	PROTOTYPES: ENABLE
881		855
…		…
886	IV iv;	860	IV iv;
887	} *civ, const_iv[] = {	861	} *civ, const_iv[] = {
888	# define const_niv(name, value) { # name, (IV) value },	862	# define const_niv(name, value) { # name, (IV) value },
889	# define const_iv(name) { # name, (IV) name },	863	# define const_iv(name) { # name, (IV) name },
890	# define const_eio(name) { # name, (IV) EIO_ ## name },	864	# define const_eio(name) { # name, (IV) EIO_ ## name },
		865
		866	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		867
		868	const_iv (ENOSYS)
891	const_iv (EXDEV)	869	const_iv (EXDEV)
892	const_iv (ENOSYS)	870	const_iv (EBADR)
		871
893	const_iv (O_RDONLY)	872	const_iv (O_RDONLY)
894	const_iv (O_WRONLY)	873	const_iv (O_WRONLY)
895	const_iv (O_RDWR)	874	const_iv (O_RDWR)
896	const_iv (O_CREAT)	875	const_iv (O_CREAT)
897	const_iv (O_TRUNC)	876	const_iv (O_TRUNC)
…		…
965	const_iv (MAP_LOCKED)	944	const_iv (MAP_LOCKED)
966	const_iv (MAP_NORESERVE)	945	const_iv (MAP_NORESERVE)
967	const_iv (MAP_POPULATE)	946	const_iv (MAP_POPULATE)
968	const_iv (MAP_NONBLOCK)	947	const_iv (MAP_NONBLOCK)
969		948
		949	const_iv (FIEMAP_FLAG_SYNC)
		950	const_iv (FIEMAP_FLAG_XATTR)
		951	const_iv (FIEMAP_FLAGS_COMPAT)
		952	const_iv (FIEMAP_EXTENT_LAST)
		953	const_iv (FIEMAP_EXTENT_UNKNOWN)
		954	const_iv (FIEMAP_EXTENT_DELALLOC)
		955	const_iv (FIEMAP_EXTENT_ENCODED)
		956	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		957	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		958	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		959	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		960	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		961	const_iv (FIEMAP_EXTENT_MERGED)
		962	const_iv (FIEMAP_EXTENT_SHARED)
		963
		964	const_iv (SPLICE_F_MOVE)
		965	const_iv (SPLICE_F_NONBLOCK)
		966	const_iv (SPLICE_F_MORE)
		967	const_iv (SPLICE_F_GIFT)
		968
		969	const_iv (SEEK_DATA)
		970	const_iv (SEEK_HOLE)
		971
		972	/* libeio constants */
		973	const_eio (SEEK_SET)
		974	const_eio (SEEK_CUR)
		975	const_eio (SEEK_END)
		976
970	const_eio (MCL_FUTURE)	977	const_eio (MCL_FUTURE)
971	const_eio (MCL_CURRENT)	978	const_eio (MCL_CURRENT)
972		979
973	const_eio (MS_ASYNC)	980	const_eio (MS_ASYNC)
974	const_eio (MS_INVALIDATE)	981	const_eio (MS_INVALIDATE)
…		…
979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	986	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
980	const_eio (SYNC_FILE_RANGE_WRITE)	987	const_eio (SYNC_FILE_RANGE_WRITE)
981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	988	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
982		989
983	const_eio (FALLOC_FL_KEEP_SIZE)	990	const_eio (FALLOC_FL_KEEP_SIZE)
		991	const_eio (FALLOC_FL_PUNCH_HOLE)
984		992
985	const_eio (READDIR_DENTS)	993	const_eio (READDIR_DENTS)
986	const_eio (READDIR_DIRS_FIRST)	994	const_eio (READDIR_DIRS_FIRST)
987	const_eio (READDIR_STAT_ORDER)	995	const_eio (READDIR_STAT_ORDER)
988	const_eio (READDIR_FOUND_UNKNOWN)	996	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1096		1104
1097	req->type = ix;	1105	req->type = ix;
1098	req->sv1 = newSVsv (fh);	1106	req->sv1 = newSVsv (fh);
1099	req->int1 = fd;	1107	req->int1 = fd;
1100		1108
1101	REQ_SEND (req);	1109	REQ_SEND;
1102	}	1110	}
1103		1111
1104	void	1112	void
1105	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1113	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1106	PPCODE:	1114	PPCODE:
…		…
1113	req->int1 = fd;	1121	req->int1 = fd;
1114	req->offs = offset;	1122	req->offs = offset;
1115	req->size = nbytes;	1123	req->size = nbytes;
1116	req->int2 = flags;	1124	req->int2 = flags;
1117		1125
1118	REQ_SEND (req);	1126	REQ_SEND;
1119	}	1127	}
1120		1128
1121	void	1129	void
1122	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1130	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1123	PPCODE:	1131	PPCODE:
…		…
1130	req->int1 = fd;	1138	req->int1 = fd;
1131	req->int2 = mode;	1139	req->int2 = mode;
1132	req->offs = offset;	1140	req->offs = offset;
1133	req->size = len;	1141	req->size = len;
1134		1142
1135	REQ_SEND (req);	1143	REQ_SEND;
1136	}	1144	}
1137		1145
1138	void	1146	void
1139	aio_close (SV fh, SV callback=&PL_sv_undef)	1147	aio_close (SV fh, SV callback=&PL_sv_undef)
1140	PPCODE:	1148	PPCODE:
…		…
1164	req->type = EIO_DUP2;	1172	req->type = EIO_DUP2;
1165	req->int1 = close_fd;	1173	req->int1 = close_fd;
1166	req->sv2 = newSVsv (fh);	1174	req->sv2 = newSVsv (fh);
1167	req->int2 = fd;	1175	req->int2 = fd;
1168		1176
1169	REQ_SEND (req);	1177	REQ_SEND;
		1178	}
		1179
		1180	void
		1181	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1182	PPCODE:
		1183	{
		1184	int fd = s_fileno_croak (fh, 0);
		1185	dREQ;
		1186
		1187	req->type = EIO_SEEK;
		1188	req->sv1 = newSVsv (fh);
		1189	req->int1 = fd;
		1190	req->offs = SvVAL64 (offset);
		1191	req->int2 = whence;
		1192
		1193	REQ_SEND;
1170	}	1194	}
1171		1195
1172	void	1196	void
1173	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1197	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1174	ALIAS:	1198	ALIAS:
…		…
1195	}	1219	}
1196	else	1220	else
1197	{	1221	{
1198	/* read: check type and grow scalar as necessary */	1222	/* read: check type and grow scalar as necessary */
1199	SvUPGRADE (data, SVt_PV);	1223	SvUPGRADE (data, SVt_PV);
		1224	if (SvLEN (data) >= SvCUR (data))
1200	svptr = SvGROW (data, len + dataoffset + 1);	1225	svptr = SvGROW (data, len + dataoffset + 1);
		1226	else if (SvCUR (data) < len + dataoffset)
		1227	croak ("length + dataoffset outside of scalar, and cannot grow");
1201	}	1228	}
1202		1229
1203	{	1230	{
1204	dREQ;	1231	dREQ;
1205		1232
…		…
1280	aio_statvfs = EIO_STATVFS	1307	aio_statvfs = EIO_STATVFS
1281	PPCODE:	1308	PPCODE:
1282	{	1309	{
1283	dREQ;	1310	dREQ;
1284		1311
1285	req->sv1 = newSVsv (fh_or_path);
1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1312	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1313
1287	REQ_SEND;	1314	REQ_SEND;
1288	}	1315	}
1289		1316
1290	UV	1317	UV
1291	major (UV dev)	1318	major (UV dev)
…		…
1405	aio_link = EIO_LINK	1432	aio_link = EIO_LINK
1406	aio_symlink = EIO_SYMLINK	1433	aio_symlink = EIO_SYMLINK
1407	aio_rename = EIO_RENAME	1434	aio_rename = EIO_RENAME
1408	PPCODE:	1435	PPCODE:
1409	{	1436	{
		1437	eio_wd wd2 = 0;
1410	dREQ;	1438	dREQ;
1411	eio_wd wd2 = 0;
1412		1439
1413	req->type = ix;	1440	req->type = ix;
1414	req_set_path1 (req, oldpath);	1441	req_set_path1 (req, oldpath);
1415	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1442	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1416	req->int3 = (long)wd2;	1443	req->int3 = (long)wd2;
…		…
1502		1529
1503	req->type = EIO_MLOCKALL;	1530	req->type = EIO_MLOCKALL;
1504	req->int1 = flags;	1531	req->int1 = flags;
1505		1532
1506	REQ_SEND;	1533	REQ_SEND;
		1534	}
		1535
		1536	void
		1537	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1538	PPCODE:
		1539	{
		1540	int fd = s_fileno_croak (fh, 0);
		1541	dREQ;
		1542
		1543	req->type = EIO_CUSTOM;
		1544	req->sv1 = newSVsv (fh);
		1545	req->int1 = fd;
		1546
		1547	req->feed = fiemap;
		1548	#if HAVE_FIEMAP
		1549	/* keep our fingers crossed that the next two types are 64 bit */
		1550	req->offs = start;
		1551	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1552	req->int2 = flags;
		1553	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1554	#endif
		1555
		1556	REQ_SEND;
1507	}	1557	}
1508		1558
1509	void	1559	void
1510	aio_busy (double delay, SV *callback=&PL_sv_undef)	1560	aio_busy (double delay, SV *callback=&PL_sv_undef)
1511	PPCODE:	1561	PPCODE:
…		…
1643	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1693	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1644	OUTPUT:	1694	OUTPUT:
1645	RETVAL	1695	RETVAL
1646		1696
1647	void	1697	void
1648	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1698	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1649	PPCODE:	1699	PPCODE:
1650	sv_unmagic (scalar, MMAP_MAGIC);	1700	sv_unmagic (scalar, MMAP_MAGIC);
1651	{	1701	{
1652	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1702	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1653	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1703	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1686	ALIAS:	1736	ALIAS:
1687	mprotect = 1	1737	mprotect = 1
1688	CODE:	1738	CODE:
1689	{	1739	{
1690	STRLEN svlen;	1740	STRLEN svlen;
1691	void *addr = SvPVbyte (scalar, svlen);	1741	void *addr = SvPVbyte (scalar, svlen);
1692	size_t len = SvUV (length);	1742	size_t len = SvUV (length);
1693		1743
1694	if (offset < 0)	1744	if (offset < 0)
1695	offset += svlen;	1745	offset += svlen;
1696		1746
…		…
1732	addr = (void *)(((intptr_t)addr) + offset);	1782	addr = (void *)(((intptr_t)addr) + offset);
1733	eio_page_align (&addr, &len);	1783	eio_page_align (&addr, &len);
1734	#if _POSIX_MEMLOCK_RANGE	1784	#if _POSIX_MEMLOCK_RANGE
1735	RETVAL = munlock (addr, len);	1785	RETVAL = munlock (addr, len);
1736	#else	1786	#else
1737	RETVAL = ((errno = ENOSYS), -1);	1787	RETVAL = EIO_ENOSYS ();
1738	#endif	1788	#endif
1739	}	1789	}
1740	OUTPUT:	1790	OUTPUT:
1741	RETVAL	1791	RETVAL
1742		1792
…		…
1744	munlockall ()	1794	munlockall ()
1745	CODE:	1795	CODE:
1746	#if _POSIX_MEMLOCK	1796	#if _POSIX_MEMLOCK
1747	munlockall ();	1797	munlockall ();
1748	#else	1798	#else
1749	RETVAL = -1;	1799	RETVAL = EIO_ENOSYS ();
1750	errno = ENOSYS;
1751	#endif	1800	#endif
1752	OUTPUT:	1801	OUTPUT:
		1802	RETVAL
		1803
		1804	int
		1805	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1806	CODE:
		1807	{
		1808	#if HAVE_LINUX_SPLICE
		1809	loff_t off_in_, off_out_;
		1810	RETVAL = splice (
		1811	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1812	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1813	length, flags
		1814	);
		1815	#else
		1816	RETVAL = EIO_ENOSYS ();
		1817	#endif
		1818	}
		1819	OUTPUT:
		1820	RETVAL
		1821
		1822	int
		1823	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1824	CODE:
		1825	#if HAVE_LINUX_SPLICE
		1826	RETVAL = tee (rfh, wfh, length, flags);
		1827	#else
		1828	RETVAL = EIO_ENOSYS ();
		1829	#endif
		1830	OUTPUT:
1753	RETVAL	1831	RETVAL
1754		1832
1755	void _on_next_submit (SV *cb)	1833	void _on_next_submit (SV *cb)
1756	CODE:	1834	CODE:
1757	SvREFCNT_dec (on_next_submit);	1835	SvREFCNT_dec (on_next_submit);
…		…
1771	DESTROY (SV *self)	1849	DESTROY (SV *self)
1772	CODE:	1850	CODE:
1773	{	1851	{
1774	aio_wd wd = SvAIO_WD (self);	1852	aio_wd wd = SvAIO_WD (self);
1775	#if HAVE_AT	1853	#if HAVE_AT
		1854	{
1776	SV *callback = &PL_sv_undef;	1855	SV *callback = &PL_sv_undef;
1777	dREQ; /* clobbers next_pri :/ */	1856	dREQ; /* clobbers next_pri :/ */
		1857	next_pri = req->pri; /* restore next_pri */
		1858	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1778	req->type = EIO_WD_CLOSE;	1859	req->type = EIO_WD_CLOSE;
1779	req->wd = wd;	1860	req->wd = wd;
1780	REQ_SEND;	1861	REQ_SEND;
		1862	}
1781	#else	1863	#else
1782	eio_wd_close_sync (wd);	1864	eio_wd_close_sync (wd);
1783	#endif	1865	#endif
1784	}	1866	}
1785		1867

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.200 by root, Thu Sep 29 09:51:24 2011 UTC vs. Revision 1.218 by root, Fri Jul 27 17:54:40 2012 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.200 by root, Thu Sep 29 09:51:24 2011 UTC vs.
Revision 1.218 by root, Fri Jul 27 17:54:40 2012 UTC