[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 1.211 by root, Sat Apr 7 00:50:33 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/fiemap.h>
		28	# define HAVE_FIEMAP 1
		29	# endif
22	#endif	30	#endif
23		31
24	/* perl namespace pollution */	32	/* perl namespace pollution */
25	#undef VERSION	33	#undef VERSION
26		34
…		…
62	#undef dup	70	#undef dup
63	#undef dup2	71	#undef dup2
64	#undef abort	72	#undef abort
65	#undef pipe	73	#undef pipe
66		74
		75	#define EIO_STRUCT_STAT struct _stati64
		76	#define EIO_STRUCT_STATI64
		77
67	#else	78	#else
68		79
69	#include <sys/time.h>	80	#include <sys/time.h>
70	#include <sys/select.h>	81	#include <sys/select.h>
71	#include <unistd.h>	82	#include <unistd.h>
72	#include <utime.h>	83	#include <utime.h>
73	#include <signal.h>	84	#include <signal.h>
74		85
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	86	#define EIO_STRUCT_STAT Stat_t
78		87
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	88	#endif
89		89
90	/*****************************************************************************/	90	/*****************************************************************************/
91		91
92	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
125		125
126	#include "libeio/eio.c"	126	#include "libeio/eio.c"
127		127
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	128	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	129	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	130	#endif
196		131
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	132	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	133	# 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	134	#endif
291		135
292	#ifndef MAP_ANONYMOUS	136	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	137	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	138	# define MAP_ANONYMOUS MAP_ANON
295	# else	139	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	141	# endif
298	#endif	142	#endif
299	#ifndef MAP_HUGETLB	143
300	# define MAP_HUGETLB 0	144	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	145	#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		146
315	#ifndef makedev	147	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) \| (min))	148	# define makedev(maj,min) (((maj) << 8) \| (min))
317	#endif	149	#endif
318	#ifndef major	150	#ifndef major
…		…
323	#endif	155	#endif
324		156
325	#ifndef PAGESIZE	157	#ifndef PAGESIZE
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	158	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	159	#endif
		160
		161	/*****************************************************************************/
		162
		163	static void
		164	fiemap (eio_req *req)
		165	{
		166	req->result = -1;
		167
		168	#if HAVE_FIEMAP
		169	int count = req->int3;
		170
		171	/* heuristic: first try with 64 extents if we don't know how many, */
		172	/* as most files have (hopefully) fewer than this many extents */
		173	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
		174	if (count < 0)
		175	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		176
		177	for (;;)
		178	{
		179	struct fiemap fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) * count);
		180	errno = ENOMEM;
		181	if (!fiemap)
		182	return;
		183
		184	req->ptr1 = fiemap;
		185	req->flags \|= EIO_FLAG_PTR1_FREE;
		186
		187	fiemap->fm_start = req->offs;
		188	fiemap->fm_length = req->size;
		189	fiemap->fm_flags = req->int2;
		190	fiemap->fm_extent_count = count;
		191
		192	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		193	return;
		194
		195	if (req->int3 >= 0)
		196	break; /* when not autosizing we are done */
		197
		198	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		199	break; /* autosizing successful, we are done */
		200
		201	fiemap->fm_flags = req->int2;
		202	fiemap->fm_extent_count = 0;
		203
		204	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		205	return;
		206
		207	count = fiemap->fm_mapped_extents;
		208
		209	free (fiemap);
		210	}
		211
		212	req->result = 0;
		213
		214	#else
		215	errno = ENOSYS;
		216	#endif
		217	}
		218
		219	/*****************************************************************************/
328		220
329	enum {	221	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	222	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	223	};
332		224
333	typedef eio_req *aio_req;	225	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	226	typedef eio_req *aio_req_ornot;
335	typedef eio_wd *aio_wd;	227	typedef eio_wd aio_wd;
336		228
337	static SV *on_next_submit;	229	static SV *on_next_submit;
338	static int next_pri = EIO_PRI_DEFAULT;	230	static int next_pri = EIO_PRI_DEFAULT;
339	static int max_outstanding;	231	static int max_outstanding;
340		232
341	static s_epipe respipe;	233	static s_epipe respipe;
342		234
343	static void req_destroy (aio_req req);	235	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	236	static void req_cancel (aio_req req);
345		237
346	static void want_poll (void)	238	static void
		239	want_poll (void)
347	{	240	{
348	/* write a dummy byte to the pipe so fh becomes ready */	241	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	242	s_epipe_signal (&respipe);
350	}	243	}
351		244
352	static void done_poll (void)	245	static void
		246	done_poll (void)
353	{	247	{
354	/* read any signals sent by the worker threads */	248	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	249	s_epipe_drain (&respipe);
356	}	250	}
357		251
358	/* must be called at most once */	252	/* must be called at most once */
		253	static SV *
359	static SV req_sv (aio_req req, HV stash)	254	req_sv (aio_req req, HV *stash)
360	{	255	{
361	if (!req->self)	256	if (!req->self)
362	{	257	{
363	req->self = (SV *)newHV ();	258	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	259	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365	}	260	}
366		261
367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	262	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368	}	263	}
369		264
370	static aio_req SvAIO_REQ (SV *sv)	265	static SV *
		266	newSVaio_wd (aio_wd wd)
		267	{
		268	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		269	}
		270
		271	static aio_req
		272	SvAIO_REQ (SV *sv)
371	{	273	{
372	MAGIC *mg;	274	MAGIC *mg;
373		275
374	if (!SvROK (sv)	276	if (!SvROK (sv)
		277	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	278	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
376	&& SvSTASH (SvRV (sv)) != aio_req_stash	279	&& SvSTASH (SvRV (sv)) != aio_req_stash
377	&& !sv_derived_from (sv, "IO::AIO::REQ")))	280	&& !sv_derived_from (sv, "IO::AIO::REQ")))
378	croak ("object of class IO::AIO::REQ expected");	281	croak ("object of class IO::AIO::REQ expected");
379		282
380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	283	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381		284
382	return mg ? (aio_req)mg->mg_ptr : 0;	285	return mg ? (aio_req)mg->mg_ptr : 0;
383	}	286	}
384		287
385	static aio_wd SvAIO_WD (SV *sv)	288	static aio_wd
		289	SvAIO_WD (SV *sv)
386	{	290	{
387	if (!SvROK (sv)	291	if (!SvROK (sv)
		292	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
388	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	293	\|\| 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");	294	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391		295
392	return (aio_wd)(long)SvIVX (SvRV (sv));	296	return (aio_wd)(long)SvIVX (SvRV (sv));
393	}	297	}
394		298
		299	static void
395	static void aio_grp_feed (aio_req grp)	300	aio_grp_feed (aio_req grp)
396	{	301	{
397	if (grp->sv2 && SvOK (grp->sv2))	302	if (grp->sv2 && SvOK (grp->sv2))
398	{	303	{
399	dSP;	304	dSP;
400		305
…		…
408	FREETMPS;	313	FREETMPS;
409	LEAVE;	314	LEAVE;
410	}	315	}
411	}	316	}
412		317
		318	static void
413	static void req_submit (eio_req *req)	319	req_submit (eio_req *req)
414	{	320	{
415	eio_submit (req);	321	eio_submit (req);
416		322
417	if (expect_false (on_next_submit))	323	if (expect_false (on_next_submit))
418	{	324	{
…		…
425	PUTBACK;	331	PUTBACK;
426	call_sv (cb, G_DISCARD \| G_EVAL);	332	call_sv (cb, G_DISCARD \| G_EVAL);
427	}	333	}
428	}	334	}
429		335
		336	static int
430	static int req_invoke (eio_req *req)	337	req_invoke (eio_req *req)
431	{	338	{
432	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
433	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
434		341
435	if (!EIO_CANCELLED (req) && req->callback)	342	if (!EIO_CANCELLED (req) && req->callback)
…		…
457	}	364	}
458		365
459	switch (req->type)	366	switch (req->type)
460	{	367	{
461	case EIO_WD_OPEN:	368	case EIO_WD_OPEN:
462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));	369	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463	break;	370	break;
464		371
465	case EIO_READDIR:	372	case EIO_READDIR:
466	{	373	{
467	SV *rv = &PL_sv_undef;	374	SV *rv = &PL_sv_undef;
…		…
611	break;	518	break;
612		519
613	case EIO_STAT:	520	case EIO_STAT:
614	case EIO_LSTAT:	521	case EIO_LSTAT:
615	case EIO_FSTAT:	522	case EIO_FSTAT:
616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		524
617	PL_laststatval = req->result;	525	if (!(PL_laststatval = req->result))
618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	526	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
619	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	527	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
		528
620	PUSHs (sv_result);	529	PUSHs (sv_result);
		530	break;
		531
		532	case EIO_SEEK:
		533	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
621	break;	534	break;
622		535
623	case EIO_READ:	536	case EIO_READ:
624	{	537	{
625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	538	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
628	SvSETMAGIC (req->sv2);	541	SvSETMAGIC (req->sv2);
629	PUSHs (sv_result);	542	PUSHs (sv_result);
630	}	543	}
631	break;	544	break;
632		545
		546	case EIO_CUSTOM:
		547	if (req->feed == fiemap)
		548	{
		549	#if HAVE_FIEMAP
		550	if (!req->result)
		551	{
		552	struct fiemap fiemap = (struct fiemap )req->ptr1;
		553
		554	if (fiemap->fm_extent_count)
		555	{
		556	AV *av = newAV ();
		557	int i;
		558
		559	while (fiemap->fm_mapped_extents)
		560	{
		561	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		562	AV *ext_av = newAV ();
		563
		564	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		565	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		566	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		567	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		568
		569	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		570	}
		571
		572	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		573	}
		574	else
		575	{
		576	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		577	PUSHs (sv_result);
		578	}
		579	}
		580	#endif
		581	}
		582	else
		583	PUSHs (sv_result);
		584	break;
		585
633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	586	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634	if (req->result > 0)	587	if (req->result > 0)
635	SvIV_set (sv_result, 0);	588	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	589	/* FALLTHROUGH */
637		590
…		…
658	}	611	}
659		612
660	return !!SvTRUE (ERRSV);	613	return !!SvTRUE (ERRSV);
661	}	614	}
662		615
		616	static void
663	static void req_destroy (aio_req req)	617	req_destroy (aio_req req)
664	{	618	{
665	if (req->self)	619	if (req->self)
666	{	620	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	621	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	622	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	626	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	627	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	628	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	629	SvREFCNT_dec (req->callback);
676		630
677	Safefree (req);	631	free (req);
678	}	632	}
679		633
		634	static void
680	static void req_cancel_subs (aio_req grp)	635	req_cancel_subs (aio_req grp)
681	{	636	{
682	if (grp->type != EIO_GROUP)	637	if (grp->type != EIO_GROUP)
683	return;	638	return;
684		639
685	SvREFCNT_dec (grp->sv2);	640	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	641	grp->sv2 = 0;
687		642
688	eio_grp_cancel (grp);	643	eio_grp_cancel (grp);
689	}	644	}
690		645
		646	static void ecb_cold
691	static void create_respipe (void)	647	create_respipe (void)
692	{	648	{
693	if (s_epipe_renew (&respipe))	649	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	650	croak ("IO::AIO: unable to initialize result pipe");
695	}	651	}
696		652
697	static void poll_wait (void)	653	static void
		654	poll_wait (void)
698	{	655	{
699	while (eio_nreqs ())	656	while (eio_nreqs ())
700	{	657	{
701	int size;	658	int size;
702		659
…		…
711		668
712	s_epipe_wait (&respipe);	669	s_epipe_wait (&respipe);
713	}	670	}
714	}	671	}
715		672
716	static int poll_cb (void)	673	static int
		674	poll_cb (void)
717	{	675	{
718	for (;;)	676	for (;;)
719	{	677	{
720	int res = eio_poll ();	678	int res = eio_poll ();
721		679
…		…
754	# define MAP_FIXED 0	712	# define MAP_FIXED 0
755	#endif	713	#endif
756		714
757	#define MMAP_MAGIC PERL_MAGIC_ext	715	#define MMAP_MAGIC PERL_MAGIC_ext
758		716
		717	static int ecb_cold
759	static int mmap_free (pTHX_ SV sv, MAGIC mg)	718	mmap_free (pTHX_ SV sv, MAGIC mg)
760	{	719	{
761	int old_errno = errno;	720	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	721	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;	722	errno = old_errno;
764		723
…		…
780	0, 0, 0, 0, mmap_free	739	0, 0, 0, 0, mmap_free
781	};	740	};
782		741
783	/*****************************************************************************/	742	/*****************************************************************************/
784		743
		744	static SV *
785	static SV * get_cb (SV *cb_sv)	745	get_cb (SV *cb_sv)
786	{	746	{
787	SvGETMAGIC (cb_sv);	747	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	748	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	749	}
790		750
		751	static aio_req ecb_noinline
		752	dreq (SV *callback)
		753	{
		754	SV *cb_cv;
		755	aio_req req;
		756	int req_pri = next_pri;
		757	next_pri = EIO_PRI_DEFAULT;
		758
		759	cb_cv = get_cb (callback);
		760
		761	req = calloc (sizeof (*req), 1);
		762	if (!req)
		763	croak ("out of memory during eio_req allocation");
		764
		765	req->callback = SvREFCNT_inc (cb_cv);
		766	req->pri = req_pri;
		767
		768	return req;
		769	}
		770
791	#define dREQ \	771	#define dREQ \
792	SV *cb_cv; \	772	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		773
806	#define REQ_SEND \	774	#define REQ_SEND \
807	PUTBACK; \	775	PUTBACK; \
808	req_submit (req); \	776	req_submit (req); \
809	SPAGAIN; \	777	SPAGAIN; \
810	\	778	\
811	if (GIMME_V != G_VOID) \	779	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	780	XPUSHs (req_sv (req, aio_req_stash));
813		781
814	static void	782	ecb_inline void
815	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	783	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
816	{	784	{
817	if (SvROK (path))	785	if (expect_false (SvROK (path)))
818	{	786	{
819	AV av = (AV )SvRV (path);	787	SV *rv = SvRV (path);
820	SV *wdob;	788	SV *wdob;
821		789
822	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	790	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	791	{
824
825	path = AvARRAY (av)[1];	792	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	793	wdob = AvARRAY (rv)[0];
827		794
		795	if (SvOK (wdob))
		796	{
828	*wd = SvAIO_WD (wdob);	797	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	798	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		799	}
		800	else
		801	*wd = EIO_INVALID_WD;
		802	}
		803	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		804	{
		805	*wd = (aio_wd)(long)SvIVX (rv);
		806	*wdsv = SvREFCNT_inc_NN (rv);
		807	*ptr = ".";
		808	return; /* path set to "." */
		809	}
		810	else
		811	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830	}	812	}
831		813
832	*pathsv = newSVsv (path);	814	*pathsv = newSVsv (path);
833	ptr = SvPVbyte_nolen (pathsv);	815	ptr = SvPVbyte_nolen (pathsv);
834	}	816	}
835		817
836	static void	818	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	819	req_set_path1 (aio_req req, SV *path)
838	{	820	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	821	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	822	}
841		823
842	static void	824	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	825	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	826	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	827	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		828
847	switch (SvTYPE (rv))	829	switch (SvTYPE (rv))
…		…
857	default:	839	default:
858	req->type = type_path;	840	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	841	req_set_path1 (req, fh_or_path);
860	break;	842	break;
861	}	843	}
862
863	}	844	}
		845
		846	XS(boot_IO__AIO) ecb_cold;
864		847
865	MODULE = IO::AIO PACKAGE = IO::AIO	848	MODULE = IO::AIO PACKAGE = IO::AIO
866		849
867	PROTOTYPES: ENABLE	850	PROTOTYPES: ENABLE
868		851
…		…
873	IV iv;	856	IV iv;
874	} *civ, const_iv[] = {	857	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	858	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	859	# define const_iv(name) { # name, (IV) name },
877	# define const_eio(name) { # name, (IV) EIO_ ## name },	860	# define const_eio(name) { # name, (IV) EIO_ ## name },
		861
		862	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		863
		864	const_iv (ENOSYS)
878	const_iv (EXDEV)	865	const_iv (EXDEV)
879	const_iv (ENOSYS)	866	const_iv (EBADR)
		867
880	const_iv (O_RDONLY)	868	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	869	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	870	const_iv (O_RDWR)
883	const_iv (O_CREAT)	871	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	872	const_iv (O_TRUNC)
…		…
952	const_iv (MAP_LOCKED)	940	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	941	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	942	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	943	const_iv (MAP_NONBLOCK)
956		944
		945	const_iv (FIEMAP_FLAG_SYNC)
		946	const_iv (FIEMAP_FLAG_XATTR)
		947	const_iv (FIEMAP_FLAGS_COMPAT)
		948	const_iv (FIEMAP_EXTENT_LAST)
		949	const_iv (FIEMAP_EXTENT_UNKNOWN)
		950	const_iv (FIEMAP_EXTENT_DELALLOC)
		951	const_iv (FIEMAP_EXTENT_ENCODED)
		952	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		953	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		954	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		955	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		956	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		957	const_iv (FIEMAP_EXTENT_MERGED)
		958	const_iv (FIEMAP_EXTENT_SHARED)
		959
		960	const_eio (SEEK_SET)
		961	const_eio (SEEK_CUR)
		962	const_eio (SEEK_END)
		963
957	const_eio (MCL_FUTURE)	964	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	965	const_eio (MCL_CURRENT)
959		966
960	const_eio (MS_ASYNC)	967	const_eio (MS_ASYNC)
961	const_eio (MS_INVALIDATE)	968	const_eio (MS_INVALIDATE)
…		…
1083		1090
1084	req->type = ix;	1091	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1092	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1093	req->int1 = fd;
1087		1094
1088	REQ_SEND (req);	1095	REQ_SEND;
1089	}	1096	}
1090		1097
1091	void	1098	void
1092	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1099	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1093	PPCODE:	1100	PPCODE:
…		…
1100	req->int1 = fd;	1107	req->int1 = fd;
1101	req->offs = offset;	1108	req->offs = offset;
1102	req->size = nbytes;	1109	req->size = nbytes;
1103	req->int2 = flags;	1110	req->int2 = flags;
1104		1111
1105	REQ_SEND (req);	1112	REQ_SEND;
1106	}	1113	}
1107		1114
1108	void	1115	void
1109	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1116	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1110	PPCODE:	1117	PPCODE:
…		…
1117	req->int1 = fd;	1124	req->int1 = fd;
1118	req->int2 = mode;	1125	req->int2 = mode;
1119	req->offs = offset;	1126	req->offs = offset;
1120	req->size = len;	1127	req->size = len;
1121		1128
1122	REQ_SEND (req);	1129	REQ_SEND;
1123	}	1130	}
1124		1131
1125	void	1132	void
1126	aio_close (SV fh, SV callback=&PL_sv_undef)	1133	aio_close (SV fh, SV callback=&PL_sv_undef)
1127	PPCODE:	1134	PPCODE:
…		…
1151	req->type = EIO_DUP2;	1158	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1159	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1160	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1161	req->int2 = fd;
1155		1162
1156	REQ_SEND (req);	1163	REQ_SEND;
		1164	}
		1165
		1166	void
		1167	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1168	PPCODE:
		1169	{
		1170	int fd = s_fileno_croak (fh, 0);
		1171	dREQ;
		1172
		1173	req->type = EIO_SEEK;
		1174	req->sv1 = newSVsv (fh);
		1175	req->int1 = fd;
		1176	req->offs = SvVAL64 (offset);
		1177	req->int2 = whence;
		1178
		1179	REQ_SEND;
1157	}	1180	}
1158		1181
1159	void	1182	void
1160	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1183	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1161	ALIAS:	1184	ALIAS:
…		…
1267	aio_statvfs = EIO_STATVFS	1290	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1291	PPCODE:
1269	{	1292	{
1270	dREQ;	1293	dREQ;
1271		1294
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);	1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1296
1274	REQ_SEND;	1297	REQ_SEND;
1275	}	1298	}
1276		1299
1277	UV	1300	UV
1278	major (UV dev)	1301	major (UV dev)
…		…
1315	REQ_SEND;	1338	REQ_SEND;
1316	}	1339	}
1317		1340
1318	void	1341	void
1319	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1342	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:	1343	PPCODE:
1324	{	1344	{
1325	dREQ;	1345	dREQ;
1326		1346
1327	req->int2 = mode;	1347	req->int2 = mode;
…		…
1348	PPCODE:	1368	PPCODE:
1349	{	1369	{
1350	dREQ;	1370	dREQ;
1351		1371
1352	req->type = EIO_READDIR;	1372	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;	1373	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1356		1374
1357	if (flags & EIO_READDIR_DENTS)	1375	if (flags & EIO_READDIR_DENTS)
1358	req->int1 \|= EIO_READDIR_CUSTOM2;	1376	req->int1 \|= EIO_READDIR_CUSTOM2;
1359		1377
		1378	req_set_path1 (req, pathname);
		1379
1360	REQ_SEND;	1380	REQ_SEND;
		1381	}
		1382
		1383	void
		1384	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1385	PPCODE:
		1386	{
		1387	dREQ;
		1388
		1389	req->type = EIO_MKDIR;
		1390	req->int2 = mode;
		1391	req_set_path1 (req, pathname);
		1392
		1393	REQ_SEND;
1361	}	1394	}
1362		1395
1363	void	1396	void
1364	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1397	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1365	ALIAS:	1398	ALIAS:
…		…
1382	aio_link = EIO_LINK	1415	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1416	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1417	aio_rename = EIO_RENAME
1385	PPCODE:	1418	PPCODE:
1386	{	1419	{
		1420	eio_wd wd2 = 0;
1387	dREQ;	1421	dREQ;
1388	eio_wd wd2;
1389		1422
1390	req->type = ix;	1423	req->type = ix;
1391	req_set_path1 (req, oldpath);	1424	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1426	req->int3 = (long)wd2;
…		…
1479		1512
1480	req->type = EIO_MLOCKALL;	1513	req->type = EIO_MLOCKALL;
1481	req->int1 = flags;	1514	req->int1 = flags;
1482		1515
1483	REQ_SEND;	1516	REQ_SEND;
		1517	}
		1518
		1519	void
		1520	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1521	PPCODE:
		1522	{
		1523	int fd = s_fileno_croak (fh, 0);
		1524	dREQ;
		1525
		1526	req->type = EIO_CUSTOM;
		1527	req->sv1 = newSVsv (fh);
		1528	req->int1 = fd;
		1529
		1530	req->feed = fiemap;
		1531	#if HAVE_FIEMAP
		1532	/* keep our fingers crossed that the next two types are 64 bit */
		1533	req->offs = start;
		1534	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1535	req->int2 = flags;
		1536	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1537	#endif
		1538
		1539	REQ_SEND;
1484	}	1540	}
1485		1541
1486	void	1542	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1543	aio_busy (double delay, SV *callback=&PL_sv_undef)
1488	PPCODE:	1544	PPCODE:
…		…
1736		1792
1737	PROTOTYPES: DISABLE	1793	PROTOTYPES: DISABLE
1738		1794
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	1795	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		1796
		1797	BOOT:
		1798	{
		1799	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1800	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1801	}
		1802
1741	void	1803	void
1742	DESTROY (SV *self)	1804	DESTROY (SV *self)
1743	CODE:	1805	CODE:
1744	{	1806	{
1745	aio_wd wd = SvAIO_WD (self);	1807	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	1808	#if HAVE_AT
		1809	{
1747	SV *callback = &PL_sv_undef;	1810	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	1811	dREQ; /* clobbers next_pri :/ */
		1812	next_pri = req->pri; /* restore next_pri */
		1813	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	1814	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	1815	req->wd = wd;
1751	REQ_SEND;	1816	REQ_SEND;
		1817	}
1752	#else	1818	#else
1753	eio_wd_close_sync (wd);	1819	eio_wd_close_sync (wd);
1754	#endif	1820	#endif
1755	}	1821	}
1756		1822

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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 1.211 by root, Sat Apr 7 00:50:33 2012 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.211 by root, Sat Apr 7 00:50:33 2012 UTC