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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.131 by root, Sun Oct 12 22:30:33 2008 UTC vs.
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
…		…
75		77
76	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
77		79
78	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	81	#if IVSIZE >= 8
		82	# define VAL64 IV
80	# define SvVAL64 SvIV	83	# define SvVAL64 SvIV
		84	# define newSVval64 newSViv
81	#else	85	#else
		86	# define VAL64 NV
82	# define SvVAL64 SvNV	87	# define SvVAL64 SvNV
		88	# define newSVval64 newSVnv
83	#endif	89	#endif
84		90
85	/*****************************************************************************/	91	/*****************************************************************************/
86		92
87	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	99	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	100	#define expect_true(expr) expect ((expr) != 0, 1)
95		101
96	/*****************************************************************************/	102	/*****************************************************************************/
97		103
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
		105	typedef int aio_rfd; /* read file desriptor */
		106	typedef int aio_wfd; /* write file descriptor */
100		107
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	108	static HV aio_stash, aio_req_stash, *aio_grp_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		109
104	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
105	SV *callback; \	111	SV *callback; \
106	SV sv1, sv2; \	112	SV sv1, sv2; \
107	STRLEN stroffset; \	113	STRLEN stroffset; \
…		…
109		115
110	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
111		117
112	#include "libeio/eio.h"	118	#include "libeio/eio.h"
113		119
		120	#ifndef POSIX_FADV_NORMAL
		121	# define POSIX_FADV_NORMAL 0
		122	# define NO_FADVISE 1
		123	#endif
		124
		125	#ifndef POSIX_FADV_SEQUENTIAL
		126	# define POSIX_FADV_SEQUENTIAL 0
		127	#endif
		128
		129	#ifndef POSIX_FADV_RANDOM
		130	# define POSIX_FADV_RANDOM 0
		131	#endif
		132
		133	#ifndef POSIX_FADV_NOREUSE
		134	# define POSIX_FADV_NOREUSE 0
		135	#endif
		136
		137	#ifndef POSIX_FADV_WILLNEED
		138	# define POSIX_FADV_WILLNEED 0
		139	#endif
		140
		141	#ifndef POSIX_FADV_DONTNEED
		142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
114	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	148	#define EIO_DESTROY(req) req_destroy (req)
118		149
…		…
127		158
128	static SV *on_next_submit;	159	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	160	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	161	static int max_outstanding;
131		162
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	163	static s_epipe respipe;
133		164
134	static void req_destroy (aio_req req);	165	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	166	static void req_cancel (aio_req req);
136		167
137	static void want_poll (void)	168	static void want_poll (void)
138	{	169	{
139	/* write a dummy byte to the pipe so fh becomes ready */	170	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	171	s_epipe_signal (&respipe);
141	}	172	}
142		173
143	static void done_poll (void)	174	static void done_poll (void)
144	{	175	{
145	/* read any signals sent by the worker threads */	176	/* read any signals sent by the worker threads */
146	char buf [4];	177	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	178	}
150		179
151	/* must be called at most once */	180	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	181	static SV req_sv (aio_req req, HV stash)
153	{	182	{
154	if (!req->self)	183	if (!req->self)
155	{	184	{
156	req->self = (SV *)newHV ();	185	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	186	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	187	}
159		188
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	190	}
162		191
163	static aio_req SvAIO_REQ (SV *sv)	192	static aio_req SvAIO_REQ (SV *sv)
164	{	193	{
165	MAGIC *mg;	194	MAGIC *mg;
166		195
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	196	if (!SvROK (sv)
		197	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		198	&& SvSTASH (SvRV (sv)) != aio_req_stash
		199	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	200	croak ("object of class IO::AIO::REQ expected");
169		201
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		203
172	return mg ? (aio_req)mg->mg_ptr : 0;	204	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	205	}
…		…
179	dSP;	211	dSP;
180		212
181	ENTER;	213	ENTER;
182	SAVETMPS;	214	SAVETMPS;
183	PUSHMARK (SP);	215	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	216	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	217	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	219	SPAGAIN;
188	FREETMPS;	220	FREETMPS;
189	LEAVE;	221	LEAVE;
…		…
228	SV *rv = &PL_sv_undef;	260	SV *rv = &PL_sv_undef;
229		261
230	if (req->result >= 0)	262	if (req->result >= 0)
231	{	263	{
232	int i;	264	int i;
233	char *buf = req->ptr2;	265	char names = (char )req->ptr2;
		266	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	267	AV *av = newAV ();
235		268
236	av_extend (av, req->result - 1);	269	av_extend (av, req->result - 1);
237		270
238	for (i = 0; i < req->result; ++i)	271	for (i = 0; i < req->result; ++i)
239	{	272	{
240	SV *sv = newSVpv (buf, 0);	273	if (req->int1 & EIO_READDIR_DENTS)
		274	{
		275	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		276
		277	if (req->int1 & EIO_READDIR_CUSTOM2)
		278	{
		279	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		280	AV *avent = newAV ();
		281
		282	av_extend (avent, 2);
		283
		284	if (!sv_type [ent->type])
		285	{
		286	sv_type [ent->type] = newSViv (ent->type);
		287	SvREADONLY_on (sv_type [ent->type]);
		288	}
		289
		290	av_store (avent, 0, namesv);
		291	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		292	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		293
		294	av_store (av, i, newRV_noinc ((SV *)avent));
		295	}
		296	else
242	av_store (av, i, sv);	297	av_store (av, i, namesv);
		298
		299	++ent;
		300	}
		301	else
		302	{
		303	SV *name = newSVpv (names, 0);
		304	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	305	names += SvCUR (name) + 1;
		306	}
244	}	307	}
245		308
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	309	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	310	}
248		311
249	PUSHs (rv);	312	PUSHs (rv);
		313
		314	if (req->int1 & EIO_READDIR_CUSTOM1)
		315	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
250	}	316	}
251	break;	317	break;
252		318
253	case EIO_OPEN:	319	case EIO_OPEN:
254	{	320	{
…		…
260	GV gv = (GV )sv_newmortal ();	326	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	328	char sym [64];
263	int symlen;	329	int symlen;
264		330
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	332	gv_init (gv, aio_stash, sym, symlen, 0);
267		333
268	symlen = snprintf (	334	symlen = snprintf (
269	sym,	335	sym,
270	sizeof (sym),	336	sizeof (sym),
271	"%s&=%d",	337	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	339	(int)req->result
274	);	340	);
275		341
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	343	fh = (SV *)gv;
278	}	344	}
…		…
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	379	PUSHs (sv_2mortal (newSViv (req->result)));
314	break;	380	break;
315		381
316	case EIO_READ:	382	case EIO_READ:
		383	{
317	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
318	*SvEND (req->sv2) = 0;	385	*SvEND (req->sv2) = 0;
		386	SvPOK_only (req->sv2);
		387	SvSETMAGIC (req->sv2);
319	PUSHs (sv_2mortal (newSViv (req->result)));	388	PUSHs (sv_2mortal (newSViv (req->result)));
		389	}
320	break;	390	break;
321		391
322	case EIO_DUP2:	392	case EIO_DUP2:
323	if (req->result > 0)	393	if (req->result > 0)
324	req->result = 0;	394	req->result = 0;
…		…
370	grp->sv2 = 0;	440	grp->sv2 = 0;
371		441
372	eio_grp_cancel (grp);	442	eio_grp_cancel (grp);
373	}	443	}
374		444
375	#ifdef USE_SOCKETS_AS_HANDLES
376	# define TO_SOCKET(x) (win32_get_osfhandle (x))
377	#else
378	# define TO_SOCKET(x) (x)
379	#endif
380
381	static void	445	static void
382	create_respipe (void)	446	create_respipe (void)
383	{	447	{
384	int old_readfd = respipe [0];
385
386	if (respipe [1] >= 0)
387	respipe_close (TO_SOCKET (respipe [1]));
388
389	#ifdef _WIN32
390	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391	#else
392	if (pipe (respipe))	448	if (s_epipe_renew (&respipe))
393	#endif
394	croak ("unable to initialize result pipe");	449	croak ("IO::AIO: unable to initialize result pipe");
395
396	if (old_readfd >= 0)
397	{
398	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399	croak ("unable to initialize result pipe(2)");
400
401	respipe_close (respipe [0]);
402	respipe [0] = old_readfd;
403	}
404
405	#ifdef _WIN32
406	int arg = 1;
407	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409	#else
410	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412	#endif
413	croak ("unable to initialize result pipe(3)");
414
415	respipe_osf [0] = TO_SOCKET (respipe [0]);
416	respipe_osf [1] = TO_SOCKET (respipe [1]);
417	}	450	}
418		451
419	static void poll_wait (void)	452	static void poll_wait (void)
420	{	453	{
421	fd_set rfd;
422
423	while (eio_nreqs ())	454	while (eio_nreqs ())
424	{	455	{
425	int size;	456	int size;
426		457
427	X_LOCK (reslock);	458	X_LOCK (reslock);
…		…
431	if (size)	462	if (size)
432	return;	463	return;
433		464
434	etp_maybe_start_thread ();	465	etp_maybe_start_thread ();
435		466
436	FD_ZERO (&rfd);	467	s_epipe_wait (&respipe);
437	FD_SET (respipe [0], &rfd);
438
439	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440	}	468	}
441	}	469	}
442		470
443	static int poll_cb (void)	471	static int poll_cb (void)
444	{	472	{
…		…
462	}	490	}
463		491
464	static SV *	492	static SV *
465	get_cb (SV *cb_sv)	493	get_cb (SV *cb_sv)
466	{	494	{
467	HV *st;	495	SvGETMAGIC (cb_sv);
468	GV *gvp;	496	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
469	CV *cv;
470
471	if (!SvOK (cb_sv))
472	return 0;
473
474	cv = sv_2cv (cb_sv, &st, &gvp, 0);
475
476	if (!cv)
477	croak ("IO::AIO callback must be undef or a CODE reference");
478
479	return (SV *)cv;
480	}	497	}
481		498
482	#define dREQ \	499	#define dREQ \
483	SV *cb_cv; \	500	SV *cb_cv; \
484	aio_req req; \	501	aio_req req; \
…		…
498	PUTBACK; \	515	PUTBACK; \
499	req_submit (req); \	516	req_submit (req); \
500	SPAGAIN; \	517	SPAGAIN; \
501	\	518	\
502	if (GIMME_V != G_VOID) \	519	if (GIMME_V != G_VOID) \
503	XPUSHs (req_sv (req, AIO_REQ_KLASS));	520	XPUSHs (req_sv (req, aio_req_stash));
504		521
505	MODULE = IO::AIO PACKAGE = IO::AIO	522	MODULE = IO::AIO PACKAGE = IO::AIO
506		523
507	PROTOTYPES: ENABLE	524	PROTOTYPES: ENABLE
508		525
509	BOOT:	526	BOOT:
510	{	527	{
511	stash = gv_stashpv ("IO::AIO", 1);	528	static const struct {
512		529	const char *name;
513	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	530	IV iv;
514	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	531	} *civ, const_iv[] = {
515	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	532	# define const_iv(name, value) { # name, (IV) value },
516	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	533	# define const_eio(name) { # name, (IV) EIO_ ## name },
517	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	534	const_iv (EXDEV , EXDEV)
		535	const_iv (ENOSYS , ENOSYS)
		536	const_iv (O_RDONLY, O_RDONLY)
		537	const_iv (O_WRONLY, O_WRONLY)
		538	const_iv (O_CREAT , O_CREAT)
		539	const_iv (O_TRUNC , O_TRUNC)
518	#ifndef _WIN32	540	#ifndef _WIN32
519	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	541	const_iv (S_IFIFO , S_IFIFO)
520	#endif	542	#endif
		543	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		544	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		545	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		546	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		547	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		548	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
521		549
		550	const_eio (MS_ASYNC)
		551	const_eio (MS_INVALIDATE)
		552	const_eio (MS_SYNC)
		553
		554	const_eio (MT_MODIFY)
		555
		556	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		557	const_eio (SYNC_FILE_RANGE_WRITE)
		558	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		559
		560	const_eio (READDIR_DENTS)
		561	const_eio (READDIR_DIRS_FIRST)
		562	const_eio (READDIR_STAT_ORDER)
		563	const_eio (READDIR_FOUND_UNKNOWN)
		564
		565	const_eio (DT_UNKNOWN)
		566	const_eio (DT_FIFO)
		567	const_eio (DT_CHR)
		568	const_eio (DT_DIR)
		569	const_eio (DT_BLK)
		570	const_eio (DT_REG)
		571	const_eio (DT_LNK)
		572	const_eio (DT_SOCK)
		573	const_eio (DT_WHT)
		574	};
		575
		576	aio_stash = gv_stashpv ("IO::AIO" , 1);
		577	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		578	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		579
		580	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		581	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		582
522	create_respipe ();	583	create_respipe ();
523		584
524	if (eio_init (want_poll, done_poll) < 0)	585	if (eio_init (want_poll, done_poll) < 0)
525	croak ("IO::AIO: unable to initialise eio library");	586	croak ("IO::AIO: unable to initialise eio library");
526		587
527	/* atfork child called in fifo order, so before eio's handler */	588	/* atfork child called in fifo order, so before eio's handler */
528	X_THREAD_ATFORK (0, 0, atfork_child);	589	X_THREAD_ATFORK (0, 0, atfork_child);
529	}	590	}
530		591
531	void	592	void
532	max_poll_reqs (int nreqs)	593	max_poll_reqs (int nreqs)
533	PROTOTYPE: $	594	PROTOTYPE: $
…		…
586	ALIAS:	647	ALIAS:
587	aio_fsync = EIO_FSYNC	648	aio_fsync = EIO_FSYNC
588	aio_fdatasync = EIO_FDATASYNC	649	aio_fdatasync = EIO_FDATASYNC
589	PPCODE:	650	PPCODE:
590	{	651	{
		652	int fd = s_fileno_croak (fh, 0);
591	dREQ;	653	dREQ;
592		654
593	req->type = ix;	655	req->type = ix;
594	req->sv1 = newSVsv (fh);	656	req->sv1 = newSVsv (fh);
595	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	657	req->int1 = fd;
		658
		659	REQ_SEND (req);
		660	}
		661
		662	void
		663	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		664	PROTOTYPE: $$$$;$
		665	PPCODE:
		666	{
		667	int fd = s_fileno_croak (fh, 0);
		668	dREQ;
		669
		670	req->type = EIO_SYNC_FILE_RANGE;
		671	req->sv1 = newSVsv (fh);
		672	req->int1 = fd;
		673	req->offs = offset;
		674	req->size = nbytes;
		675	req->int2 = flags;
596		676
597	REQ_SEND (req);	677	REQ_SEND (req);
598	}	678	}
599		679
600	void	680	void
601	aio_close (SV fh, SV callback=&PL_sv_undef)	681	aio_close (SV fh, SV callback=&PL_sv_undef)
602	PROTOTYPE: $;$	682	PROTOTYPE: $;$
603	PPCODE:	683	PPCODE:
604	{	684	{
605	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		686	int fd = s_fileno_croak (fh, 0);
606	dREQ;	687	dREQ;
607		688
608	if (close_pipe < 0)	689	if (close_pipe < 0)
609	{	690	{
610	int pipefd [2];	691	int pipefd [2];
…		…
618	}	699	}
619		700
620	req->type = EIO_DUP2;	701	req->type = EIO_DUP2;
621	req->int1 = close_pipe;	702	req->int1 = close_pipe;
622	req->sv2 = newSVsv (fh);	703	req->sv2 = newSVsv (fh);
623	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	704	req->int2 = fd;
624		705
625	REQ_SEND (req);	706	REQ_SEND (req);
626	}	707	}
627		708
628	void	709	void
…		…
632	aio_write = EIO_WRITE	713	aio_write = EIO_WRITE
633	PROTOTYPE: $$$$$;$	714	PROTOTYPE: $$$$$;$
634	PPCODE:	715	PPCODE:
635	{	716	{
636	STRLEN svlen;	717	STRLEN svlen;
		718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
637	char *svptr = SvPVbyte (data, svlen);	719	char *svptr = SvPVbyte (data, svlen);
638	UV len = SvUV (length);	720	UV len = SvUV (length);
639
640	SvUPGRADE (data, SVt_PV);
641	SvPOK_on (data);
642		721
643	if (dataoffset < 0)	722	if (dataoffset < 0)
644	dataoffset += svlen;	723	dataoffset += svlen;
645		724
646	if (dataoffset < 0 \|\| dataoffset > svlen)	725	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
652	if (!SvOK (length) \|\| len + dataoffset > svlen)	731	if (!SvOK (length) \|\| len + dataoffset > svlen)
653	len = svlen - dataoffset;	732	len = svlen - dataoffset;
654	}	733	}
655	else	734	else
656	{	735	{
657	/* read: grow scalar as necessary */	736	/* read: check type and grow scalar as necessary */
		737	SvUPGRADE (data, SVt_PV);
658	svptr = SvGROW (data, len + dataoffset + 1);	738	svptr = SvGROW (data, len + dataoffset + 1);
659	}	739	}
660
661	if (len < 0)
662	croak ("length must not be negative");
663		740
664	{	741	{
665	dREQ;	742	dREQ;
666		743
667	req->type = ix;	744	req->type = ix;
668	req->sv1 = newSVsv (fh);	745	req->sv1 = newSVsv (fh);
669	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	746	req->int1 = fd;
670	: IoOFP (sv_2io (fh)));
671	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	747	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
672	req->size = len;	748	req->size = len;
673	req->sv2 = SvREFCNT_inc_NN (data);	749	req->sv2 = SvREFCNT_inc (data);
674	req->ptr2 = (char *)svptr + dataoffset;	750	req->ptr2 = (char *)svptr + dataoffset;
675	req->stroffset = dataoffset;	751	req->stroffset = dataoffset;
676		752
677	if (!SvREADONLY (data))	753	if (!SvREADONLY (data))
678	{	754	{
…		…
698		774
699	REQ_SEND;	775	REQ_SEND;
700	}	776	}
701		777
702	void	778	void
703	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	779	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
704	PROTOTYPE: $$$$;$	780	PROTOTYPE: $$$$;$
705	PPCODE:	781	PPCODE:
706	{	782	{
		783	int ifd = s_fileno_croak (in_fh , 0);
		784	int ofd = s_fileno_croak (out_fh, 1);
707	dREQ;	785	dREQ;
708		786
709	req->type = EIO_SENDFILE;	787	req->type = EIO_SENDFILE;
710	req->sv1 = newSVsv (out_fh);	788	req->sv1 = newSVsv (out_fh);
711	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	789	req->int1 = ofd;
712	req->sv2 = newSVsv (in_fh);	790	req->sv2 = newSVsv (in_fh);
713	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	791	req->int2 = ifd;
714	req->offs = SvVAL64 (in_offset);	792	req->offs = in_offset;
715	req->size = length;	793	req->size = length;
716		794
717	REQ_SEND;	795	REQ_SEND;
718	}	796	}
719		797
720	void	798	void
721	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	799	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
722	PROTOTYPE: $$$;$	800	PROTOTYPE: $$$;$
723	PPCODE:	801	PPCODE:
724	{	802	{
		803	int fd = s_fileno_croak (fh, 0);
725	dREQ;	804	dREQ;
726		805
727	req->type = EIO_READAHEAD;	806	req->type = EIO_READAHEAD;
728	req->sv1 = newSVsv (fh);	807	req->sv1 = newSVsv (fh);
729	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	808	req->int1 = fd;
730	req->offs = SvVAL64 (offset);	809	req->offs = offset;
731	req->size = length;	810	req->size = length;
732		811
733	REQ_SEND;	812	REQ_SEND;
734	}	813	}
735		814
…		…
851	req->type = EIO_FCHOWN;	930	req->type = EIO_FCHOWN;
852	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	931	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
853	}	932	}
854		933
855	REQ_SEND;	934	REQ_SEND;
		935	}
		936
		937	void
		938	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		939	PPCODE:
		940	{
		941	dREQ;
		942
		943	req->type = EIO_READDIR;
		944	req->sv1 = newSVsv (pathname);
		945	req->ptr1 = SvPVbyte_nolen (req->sv1);
		946	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		947
		948	if (flags & EIO_READDIR_DENTS)
		949	req->int1 \|= EIO_READDIR_CUSTOM2;
		950
		951	REQ_SEND;
856	}	952	}
857		953
858	void	954	void
859	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	955	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
860	ALIAS:	956	ALIAS:
…		…
905		1001
906	REQ_SEND;	1002	REQ_SEND;
907	}	1003	}
908		1004
909	void	1005	void
		1006	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1007	ALIAS:
		1008	aio_mtouch = EIO_MTOUCH
		1009	aio_msync = EIO_MSYNC
		1010	PROTOTYPE: $$$$;$
		1011	PPCODE:
		1012	{
		1013	STRLEN svlen;
		1014	UV len = SvUV (length);
		1015	char *svptr = SvPVbyte (data, svlen);
		1016
		1017	if (offset < 0)
		1018	offset += svlen;
		1019
		1020	if (offset < 0 \|\| offset > svlen)
		1021	croak ("offset outside of scalar");
		1022
		1023	if (!SvOK (length) \|\| len + offset > svlen)
		1024	len = svlen - offset;
		1025
		1026	{
		1027	dREQ;
		1028
		1029	req->type = ix;
		1030	req->size = len;
		1031	req->sv2 = SvREFCNT_inc (data);
		1032	req->ptr2 = (char *)svptr + offset;
		1033	req->int1 = flags;
		1034
		1035	REQ_SEND;
		1036	}
		1037	}
		1038
		1039	void
910	aio_busy (double delay, SV *callback=&PL_sv_undef)	1040	aio_busy (double delay, SV *callback=&PL_sv_undef)
911	PPCODE:	1041	PPCODE:
912	{	1042	{
913	dREQ;	1043	dREQ;
914		1044
…		…
926	dREQ;	1056	dREQ;
927		1057
928	req->type = EIO_GROUP;	1058	req->type = EIO_GROUP;
929		1059
930	req_submit (req);	1060	req_submit (req);
931	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1061	XPUSHs (req_sv (req, aio_grp_stash));
932	}	1062	}
933		1063
934	void	1064	void
935	aio_nop (SV *callback=&PL_sv_undef)	1065	aio_nop (SV *callback=&PL_sv_undef)
936	ALIAS:	1066	ALIAS:
…		…
988		1118
989	int	1119	int
990	poll_fileno()	1120	poll_fileno()
991	PROTOTYPE:	1121	PROTOTYPE:
992	CODE:	1122	CODE:
993	RETVAL = respipe [0];	1123	RETVAL = s_epipe_fd (&respipe);
994	OUTPUT:	1124	OUTPUT:
995	RETVAL	1125	RETVAL
996		1126
997	int	1127	int
998	poll_cb(...)	1128	poll_cb(...)
…		…
1038	CODE:	1168	CODE:
1039	RETVAL = eio_nthreads ();	1169	RETVAL = eio_nthreads ();
1040	OUTPUT:	1170	OUTPUT:
1041	RETVAL	1171	RETVAL
1042		1172
		1173	int
		1174	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1175	PROTOTYPE: $$$$
		1176	CODE:
		1177	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1178	RETVAL = posix_fadvise (fh, offset, length, advice);
		1179	#else
		1180	RETVAL = errno = ENOSYS;
		1181	#endif
		1182	OUTPUT:
		1183	RETVAL
		1184
		1185	ssize_t
		1186	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1187	PROTOTYPE: $$$$
		1188	CODE:
		1189	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1190	OUTPUT:
		1191	RETVAL
		1192
1043	void _on_next_submit (SV *cb)	1193	void _on_next_submit (SV *cb)
1044	CODE:	1194	CODE:
1045	SvREFCNT_dec (on_next_submit);	1195	SvREFCNT_dec (on_next_submit);
1046	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1047		1197
…		…
1061	if (GIMME_V != G_VOID)	1211	if (GIMME_V != G_VOID)
1062	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1212	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1063		1213
1064	if (items > 1)	1214	if (items > 1)
1065	{	1215	{
1066	SV *cb_cv = get_cb (callback);	1216	SV *cb_cv =get_cb (callback);
1067		1217
1068	SvREFCNT_dec (req->callback);	1218	SvREFCNT_dec (req->callback);
1069	req->callback = SvREFCNT_inc (cb_cv);	1219	req->callback = SvREFCNT_inc (cb_cv);
1070	}	1220	}
1071	}	1221	}
…		…
1108	AV *av;	1258	AV *av;
1109		1259
1110	grp->errorno = errno;	1260	grp->errorno = errno;
1111		1261
1112	av = newAV ();	1262	av = newAV ();
		1263	av_extend (av, items - 1);
1113		1264
1114	for (i = 1; i < items; ++i )	1265	for (i = 1; i < items; ++i )
1115	av_push (av, newSVsv (ST (i)));	1266	av_push (av, newSVsv (ST (i)));
1116		1267
1117	SvREFCNT_dec (grp->sv1);	1268	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.131 by root, Sun Oct 12 22:30:33 2008 UTC vs. Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.131 by root, Sun Oct 12 22:30:33 2008 UTC vs.
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC