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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs.
Revision 1.154 by root, Wed Jul 15 01:39:15 2009 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>
…		…
65	# include <signal.h>	67	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	68	# define EIO_STRUCT_DIRENT struct dirent
67		69
68	#endif	70	#endif
69		71
		72	/* perl stupidly overrides readdir and maybe others */
		73	/* with thread-unsafe versions, imagine that :( */
		74	#undef readdir
		75	#undef opendir
		76	#undef closedir
		77
70	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
71		79
72	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	81	#if IVSIZE >= 8
		82	# define VAL64 IV
74	# define SvVAL64 SvIV	83	# define SvVAL64 SvIV
		84	# define newSVval64 newSViv
75	#else	85	#else
		86	# define VAL64 NV
76	# define SvVAL64 SvNV	87	# define SvVAL64 SvNV
		88	# define newSVval64 newSVnv
77	#endif	89	#endif
		90
		91	/*****************************************************************************/
		92
		93	#if __GNUC__ >= 3
		94	# define expect(expr,value) __builtin_expect ((expr),(value))
		95	#else
		96	# define expect(expr,value) (expr)
		97	#endif
		98
		99	#define expect_false(expr) expect ((expr) != 0, 0)
		100	#define expect_true(expr) expect ((expr) != 0, 1)
		101
		102	/*****************************************************************************/
78		103
79	static HV *stash;	104	static HV *stash;
80	typedef SV SV8; /* byte-sv, used for argument-checking */	105	typedef SV SV8; /* byte-sv, used for argument-checking */
		106	typedef int aio_rfd; /* read file desriptor */
		107	typedef int aio_wfd; /* write file descriptor */
81		108
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	109	#define AIO_REQ_KLASS "IO::AIO::REQ"
83	#define AIO_GRP_KLASS "IO::AIO::GRP"	110	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		111
85	#define EIO_REQ_MEMBERS \	112	#define EIO_REQ_MEMBERS \
…		…
90		117
91	#define EIO_NO_WRAPPERS 1	118	#define EIO_NO_WRAPPERS 1
92		119
93	#include "libeio/eio.h"	120	#include "libeio/eio.h"
94		121
		122	#ifndef POSIX_FADV_NORMAL
		123	# define POSIX_FADV_NORMAL 0
		124	# define NO_FADVISE 1
		125	#endif
		126
		127	#ifndef POSIX_FADV_SEQUENTIAL
		128	# define POSIX_FADV_SEQUENTIAL 0
		129	#endif
		130
		131	#ifndef POSIX_FADV_RANDOM
		132	# define POSIX_FADV_RANDOM 0
		133	#endif
		134
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138
		139	#ifndef POSIX_FADV_WILLNEED
		140	# define POSIX_FADV_WILLNEED 0
		141	#endif
		142
		143	#ifndef POSIX_FADV_DONTNEED
		144	# define POSIX_FADV_DONTNEED 0
		145	#endif
		146
95	static int req_invoke (eio_req *req);	147	static int req_invoke (eio_req *req);
96	#define EIO_FINISH(req) req_invoke (req)	148	#define EIO_FINISH(req) req_invoke (req)
97	static void aio_grp_feed (eio_req *grp);
98	#define EIO_FEED(req) aio_grp_feed (req)
99	static void req_destroy (eio_req *grp);	149	static void req_destroy (eio_req *grp);
100	#define EIO_DESTROY(req) req_destroy (req)	150	#define EIO_DESTROY(req) req_destroy (req)
101		151
102	enum {	152	enum {
103	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	153	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
110		160
111	static SV *on_next_submit;	161	static SV *on_next_submit;
112	static int next_pri = EIO_PRI_DEFAULT;	162	static int next_pri = EIO_PRI_DEFAULT;
113	static int max_outstanding;	163	static int max_outstanding;
114		164
115	static int respipe_osf [2], respipe [2] = { -1, -1 };	165	static s_epipe respipe;
116		166
117	static void req_destroy (aio_req req);	167	static void req_destroy (aio_req req);
118	static void req_cancel (aio_req req);	168	static void req_cancel (aio_req req);
119		169
120	static void want_poll (void)	170	static void want_poll (void)
121	{	171	{
122	/* write a dummy byte to the pipe so fh becomes ready */	172	/* write a dummy byte to the pipe so fh becomes ready */
123	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	173	s_epipe_signal (&respipe);
124	}	174	}
125		175
126	static void done_poll (void)	176	static void done_poll (void)
127	{	177	{
128	/* read any signals sent by the worker threads */	178	/* read any signals sent by the worker threads */
129	char buf [4];	179	s_epipe_drain (&respipe);
130	while (respipe_read (respipe [0], buf, 4) == 4)
131	;
132	}	180	}
133		181
134	/* must be called at most once */	182	/* must be called at most once */
135	static SV req_sv (aio_req req, const char klass)	183	static SV req_sv (aio_req req, const char klass)
136	{	184	{
…		…
175		223
176	static void req_submit (eio_req *req)	224	static void req_submit (eio_req *req)
177	{	225	{
178	eio_submit (req);	226	eio_submit (req);
179		227
180	if (on_next_submit)	228	if (expect_false (on_next_submit))
181	{	229	{
182	dSP;	230	dSP;
183	SV *cb = sv_2mortal (on_next_submit);	231	SV *cb = sv_2mortal (on_next_submit);
184		232
185	on_next_submit = 0;	233	on_next_submit = 0;
…		…
195	dSP;	243	dSP;
196		244
197	if (req->flags & FLAG_SV2_RO_OFF)	245	if (req->flags & FLAG_SV2_RO_OFF)
198	SvREADONLY_off (req->sv2);	246	SvREADONLY_off (req->sv2);
199		247
200	if (!EIO_CANCELLED (req) && SvOK (req->callback))	248	if (!EIO_CANCELLED (req) && req->callback)
201	{	249	{
202	ENTER;	250	ENTER;
203	SAVETMPS;	251	SAVETMPS;
204	PUSHMARK (SP);	252	PUSHMARK (SP);
205	EXTEND (SP, 1);	253	EXTEND (SP, 1);
…		…
211	SV *rv = &PL_sv_undef;	259	SV *rv = &PL_sv_undef;
212		260
213	if (req->result >= 0)	261	if (req->result >= 0)
214	{	262	{
215	int i;	263	int i;
216	char *buf = req->ptr2;	264	char names = (char )req->ptr2;
		265	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
217	AV *av = newAV ();	266	AV *av = newAV ();
218		267
219	av_extend (av, req->result - 1);	268	av_extend (av, req->result - 1);
220		269
221	for (i = 0; i < req->result; ++i)	270	for (i = 0; i < req->result; ++i)
222	{	271	{
223	SV *sv = newSVpv (buf, 0);	272	if (req->int1 & EIO_READDIR_DENTS)
		273	{
		274	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224		275
		276	if (req->int1 & EIO_READDIR_CUSTOM2)
		277	{
		278	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		279	AV *avent = newAV ();
		280
		281	av_extend (avent, 2);
		282
		283	if (!sv_type [ent->type])
		284	{
		285	sv_type [ent->type] = newSViv (ent->type);
		286	SvREADONLY_on (sv_type [ent->type]);
		287	}
		288
		289	av_store (avent, 0, namesv);
		290	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		291	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		292
		293	av_store (av, i, newRV_noinc ((SV *)avent));
		294	}
		295	else
225	av_store (av, i, sv);	296	av_store (av, i, namesv);
		297
		298	++ent;
		299	}
		300	else
		301	{
		302	SV *name = newSVpv (names, 0);
		303	av_store (av, i, name);
226	buf += SvCUR (sv) + 1;	304	names += SvCUR (name) + 1;
		305	}
227	}	306	}
228		307
229	rv = sv_2mortal (newRV_noinc ((SV *)av));	308	rv = sv_2mortal (newRV_noinc ((SV *)av));
230	}	309	}
231		310
232	PUSHs (rv);	311	PUSHs (rv);
		312
		313	if (req->int1 & EIO_READDIR_CUSTOM1)
		314	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
233	}	315	}
234	break;	316	break;
235		317
236	case EIO_OPEN:	318	case EIO_OPEN:
237	{	319	{
…		…
243	GV gv = (GV )sv_newmortal ();	325	GV gv = (GV )sv_newmortal ();
244	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	326	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
245	char sym [64];	327	char sym [64];
246	int symlen;	328	int symlen;
247		329
248	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249	gv_init (gv, stash, sym, symlen, 0);	331	gv_init (gv, stash, sym, symlen, 0);
250		332
251	symlen = snprintf (	333	symlen = snprintf (
252	sym,	334	sym,
253	sizeof (sym),	335	sizeof (sym),
254	"%s&=%d",	336	"%s&=%d",
255	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	337	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256	req->result	338	(int)req->result
257	);	339	);
258		340
259	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	341	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260	fh = (SV *)gv;	342	fh = (SV *)gv;
261	}	343	}
…		…
295	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	377	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
296	PUSHs (sv_2mortal (newSViv (req->result)));	378	PUSHs (sv_2mortal (newSViv (req->result)));
297	break;	379	break;
298		380
299	case EIO_READ:	381	case EIO_READ:
		382	{
300	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	383	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301	*SvEND (req->sv2) = 0;	384	*SvEND (req->sv2) = 0;
		385	SvPOK_only (req->sv2);
		386	SvSETMAGIC (req->sv2);
302	PUSHs (sv_2mortal (newSViv (req->result)));	387	PUSHs (sv_2mortal (newSViv (req->result)));
		388	}
303	break;	389	break;
304		390
305	case EIO_DUP2:	391	case EIO_DUP2:
306	if (req->result > 0)	392	if (req->result > 0)
307	req->result = 0;	393	req->result = 0;
…		…
353	grp->sv2 = 0;	439	grp->sv2 = 0;
354		440
355	eio_grp_cancel (grp);	441	eio_grp_cancel (grp);
356	}	442	}
357		443
358	#ifdef USE_SOCKETS_AS_HANDLES
359	# define TO_SOCKET(x) (win32_get_osfhandle (x))
360	#else
361	# define TO_SOCKET(x) (x)
362	#endif
363
364	static void	444	static void
365	create_respipe (void)	445	create_respipe (void)
366	{	446	{
367	int old_readfd = respipe [0];
368
369	if (respipe [1] >= 0)
370	respipe_close (TO_SOCKET (respipe [1]));
371
372	#ifdef _WIN32
373	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374	#else
375	if (pipe (respipe))	447	if (s_epipe_renew (&respipe))
376	#endif
377	croak ("unable to initialize result pipe");	448	croak ("unable to initialize result pipe");
378
379	if (old_readfd >= 0)
380	{
381	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382	croak ("unable to initialize result pipe(2)");
383
384	respipe_close (respipe [0]);
385	respipe [0] = old_readfd;
386	}
387
388	#ifdef _WIN32
389	int arg = 1;
390	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392	#else
393	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395	#endif
396	croak ("unable to initialize result pipe(3)");
397
398	respipe_osf [0] = TO_SOCKET (respipe [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);
400	}	449	}
401		450
402	static void poll_wait (void)	451	static void poll_wait (void)
403	{	452	{
404	fd_set rfd;
405
406	while (eio_nreqs ())	453	while (eio_nreqs ())
407	{	454	{
408	int size;	455	int size;
409		456
410	X_LOCK (reslock);	457	X_LOCK (reslock);
…		…
412	X_UNLOCK (reslock);	459	X_UNLOCK (reslock);
413		460
414	if (size)	461	if (size)
415	return;	462	return;
416		463
417	maybe_start_thread ();	464	etp_maybe_start_thread ();
418		465
419	FD_ZERO (&rfd);	466	s_epipe_wait (&respipe);
420	FD_SET (respipe [0], &rfd);
421
422	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423	}	467	}
424	}	468	}
425		469
426	static int poll_cb (void)	470	static int poll_cb (void)
427	{	471	{
428	int res;	472	for (;;)
429
430	do
431	{	473	{
432	res = eio_poll ();	474	int res = eio_poll ();
433		475
434	if (res > 0)	476	if (res > 0)
435	croak (0);	477	croak (0);
		478
		479	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		480	return res;
		481
		482	poll_wait ();
436	}	483	}
437	while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439	return res;
440	}	484	}
441		485
442	static void atfork_child (void)	486	static void atfork_child (void)
443	{	487	{
444	create_respipe ();	488	create_respipe ();
445	}	489	}
446		490
		491	static SV *
		492	get_cb (SV *cb_sv)
		493	{
		494	SvGETMAGIC (cb_sv);
		495	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		496	}
		497
447	#define dREQ \	498	#define dREQ \
		499	SV *cb_cv; \
448	aio_req req; \	500	aio_req req; \
449	int req_pri = next_pri; \	501	int req_pri = next_pri; \
450	next_pri = EIO_PRI_DEFAULT; \	502	next_pri = EIO_PRI_DEFAULT; \
451	\	503	\
452	if (SvOK (callback) && !SvROK (callback)) \	504	cb_cv = get_cb (callback); \
453	croak ("callback must be undef or of reference type"); \
454	\	505	\
455	Newz (0, req, 1, eio_req); \	506	Newz (0, req, 1, eio_req); \
456	if (!req) \	507	if (!req) \
457	croak ("out of memory during eio_req allocation"); \	508	croak ("out of memory during eio_req allocation"); \
458	\	509	\
459	req->callback = newSVsv (callback); \	510	req->callback = SvREFCNT_inc (cb_cv); \
460	req->pri = req_pri	511	req->pri = req_pri
461		512
462	#define REQ_SEND \	513	#define REQ_SEND \
		514	PUTBACK; \
463	req_submit (req); \	515	req_submit (req); \
		516	SPAGAIN; \
464	\	517	\
465	if (GIMME_V != G_VOID) \	518	if (GIMME_V != G_VOID) \
466	XPUSHs (req_sv (req, AIO_REQ_KLASS));	519	XPUSHs (req_sv (req, AIO_REQ_KLASS));
467		520
468	MODULE = IO::AIO PACKAGE = IO::AIO	521	MODULE = IO::AIO PACKAGE = IO::AIO
469		522
470	PROTOTYPES: ENABLE	523	PROTOTYPES: ENABLE
471		524
472	BOOT:	525	BOOT:
473	{	526	{
474	stash = gv_stashpv ("IO::AIO", 1);	527	static const struct {
475		528	const char *name;
476	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	529	IV iv;
477	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	530	} *civ, const_iv[] = {
478	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	531	# define const_iv(name, value) { # name, (IV) value },
479	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	532	# define const_eio(name) { # name, (IV) EIO_ ## name },
480	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	533	const_iv (EXDEV , EXDEV)
		534	const_iv (ENOSYS , ENOSYS)
		535	const_iv (O_RDONLY, O_RDONLY)
		536	const_iv (O_WRONLY, O_WRONLY)
		537	const_iv (O_CREAT , O_CREAT)
		538	const_iv (O_TRUNC , O_TRUNC)
481	#ifndef _WIN32	539	#ifndef _WIN32
482	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	540	const_iv (S_IFIFO , S_IFIFO)
483	#endif	541	#endif
		542	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		543	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		544	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		545	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		546	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		547	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
484		548
		549	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		550	const_eio (SYNC_FILE_RANGE_WRITE)
		551	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		552
		553	const_eio (READDIR_DENTS)
		554	const_eio (READDIR_DIRS_FIRST)
		555	const_eio (READDIR_STAT_ORDER)
		556	const_eio (READDIR_FOUND_UNKNOWN)
		557
		558	const_eio (DT_UNKNOWN)
		559	const_eio (DT_FIFO)
		560	const_eio (DT_CHR)
		561	const_eio (DT_DIR)
		562	const_eio (DT_BLK)
		563	const_eio (DT_REG)
		564	const_eio (DT_LNK)
		565	const_eio (DT_SOCK)
		566	const_eio (DT_WHT)
		567	};
		568
		569	stash = gv_stashpv ("IO::AIO", 1);
		570
		571	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		572	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		573
485	create_respipe ();	574	create_respipe ();
486		575
487	if (eio_init (want_poll, done_poll) < 0)	576	if (eio_init (want_poll, done_poll) < 0)
488	croak ("IO::AIO: unable to initialise eio library");	577	croak ("IO::AIO: unable to initialise eio library");
489		578
490	/* atfork child called in fifo order, so before eio's handler */	579	/* atfork child called in fifo order, so before eio's handler */
491	X_THREAD_ATFORK (0, 0, atfork_child);	580	X_THREAD_ATFORK (0, 0, atfork_child);
492	}	581	}
493		582
494	void	583	void
495	max_poll_reqs (int nreqs)	584	max_poll_reqs (int nreqs)
496	PROTOTYPE: $	585	PROTOTYPE: $
…		…
549	ALIAS:	638	ALIAS:
550	aio_fsync = EIO_FSYNC	639	aio_fsync = EIO_FSYNC
551	aio_fdatasync = EIO_FDATASYNC	640	aio_fdatasync = EIO_FDATASYNC
552	PPCODE:	641	PPCODE:
553	{	642	{
		643	int fd = s_fileno_croak (fh, 0);
554	dREQ;	644	dREQ;
555		645
556	req->type = ix;	646	req->type = ix;
557	req->sv1 = newSVsv (fh);	647	req->sv1 = newSVsv (fh);
558	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	648	req->int1 = fd;
		649
		650	REQ_SEND (req);
		651	}
		652
		653	void
		654	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		655	PROTOTYPE: $$$$;$
		656	PPCODE:
		657	{
		658	int fd = s_fileno_croak (fh, 0);
		659	dREQ;
		660
		661	req->type = EIO_SYNC_FILE_RANGE;
		662	req->sv1 = newSVsv (fh);
		663	req->int1 = fd;
		664	req->offs = offset;
		665	req->size = nbytes;
		666	req->int2 = flags;
559		667
560	REQ_SEND (req);	668	REQ_SEND (req);
561	}	669	}
562		670
563	void	671	void
564	aio_close (SV fh, SV callback=&PL_sv_undef)	672	aio_close (SV fh, SV callback=&PL_sv_undef)
565	PROTOTYPE: $;$	673	PROTOTYPE: $;$
566	PPCODE:	674	PPCODE:
567	{	675	{
568	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	676	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		677	int fd = s_fileno_croak (fh, 0);
569	dREQ;	678	dREQ;
570		679
571	if (close_pipe < 0)	680	if (close_pipe < 0)
572	{	681	{
573	int pipefd [2];	682	int pipefd [2];
…		…
581	}	690	}
582		691
583	req->type = EIO_DUP2;	692	req->type = EIO_DUP2;
584	req->int1 = close_pipe;	693	req->int1 = close_pipe;
585	req->sv2 = newSVsv (fh);	694	req->sv2 = newSVsv (fh);
586	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	695	req->int2 = fd;
587		696
588	REQ_SEND (req);	697	REQ_SEND (req);
589	}	698	}
590		699
591	void	700	void
…		…
595	aio_write = EIO_WRITE	704	aio_write = EIO_WRITE
596	PROTOTYPE: $$$$$;$	705	PROTOTYPE: $$$$$;$
597	PPCODE:	706	PPCODE:
598	{	707	{
599	STRLEN svlen;	708	STRLEN svlen;
		709	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600	char *svptr = SvPVbyte (data, svlen);	710	char *svptr = SvPVbyte (data, svlen);
601	UV len = SvUV (length);	711	UV len = SvUV (length);
602
603	SvUPGRADE (data, SVt_PV);
604	SvPOK_on (data);
605		712
606	if (dataoffset < 0)	713	if (dataoffset < 0)
607	dataoffset += svlen;	714	dataoffset += svlen;
608		715
609	if (dataoffset < 0 \|\| dataoffset > svlen)	716	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
615	if (!SvOK (length) \|\| len + dataoffset > svlen)	722	if (!SvOK (length) \|\| len + dataoffset > svlen)
616	len = svlen - dataoffset;	723	len = svlen - dataoffset;
617	}	724	}
618	else	725	else
619	{	726	{
620	/* read: grow scalar as necessary */	727	/* read: check type and grow scalar as necessary */
		728	SvUPGRADE (data, SVt_PV);
621	svptr = SvGROW (data, len + dataoffset + 1);	729	svptr = SvGROW (data, len + dataoffset + 1);
622	}	730	}
623
624	if (len < 0)
625	croak ("length must not be negative");
626		731
627	{	732	{
628	dREQ;	733	dREQ;
629		734
630	req->type = ix;	735	req->type = ix;
631	req->sv1 = newSVsv (fh);	736	req->sv1 = newSVsv (fh);
632	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	737	req->int1 = fd;
633	: IoOFP (sv_2io (fh)));
634	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	738	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635	req->size = len;	739	req->size = len;
636	req->sv2 = SvREFCNT_inc (data);	740	req->sv2 = SvREFCNT_inc (data);
637	req->ptr2 = (char *)svptr + dataoffset;	741	req->ptr2 = (char *)svptr + dataoffset;
638	req->stroffset = dataoffset;	742	req->stroffset = dataoffset;
…		…
661		765
662	REQ_SEND;	766	REQ_SEND;
663	}	767	}
664		768
665	void	769	void
666	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	770	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$$;$	771	PROTOTYPE: $$$$;$
668	PPCODE:	772	PPCODE:
669	{	773	{
		774	int ifd = s_fileno_croak (in_fh , 0);
		775	int ofd = s_fileno_croak (out_fh, 1);
670	dREQ;	776	dREQ;
671		777
672	req->type = EIO_SENDFILE;	778	req->type = EIO_SENDFILE;
673	req->sv1 = newSVsv (out_fh);	779	req->sv1 = newSVsv (out_fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	780	req->int1 = ofd;
675	req->sv2 = newSVsv (in_fh);	781	req->sv2 = newSVsv (in_fh);
676	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	782	req->int2 = ifd;
677	req->offs = SvVAL64 (in_offset);	783	req->offs = in_offset;
678	req->size = length;	784	req->size = length;
679		785
680	REQ_SEND;	786	REQ_SEND;
681	}	787	}
682		788
683	void	789	void
684	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	790	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
685	PROTOTYPE: $$$;$	791	PROTOTYPE: $$$;$
686	PPCODE:	792	PPCODE:
687	{	793	{
		794	int fd = s_fileno_croak (fh, 0);
688	dREQ;	795	dREQ;
689		796
690	req->type = EIO_READAHEAD;	797	req->type = EIO_READAHEAD;
691	req->sv1 = newSVsv (fh);	798	req->sv1 = newSVsv (fh);
692	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	799	req->int1 = fd;
693	req->offs = SvVAL64 (offset);	800	req->offs = offset;
694	req->size = length;	801	req->size = length;
695		802
696	REQ_SEND;	803	REQ_SEND;
697	}	804	}
698		805
…		…
814	req->type = EIO_FCHOWN;	921	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	922	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}	923	}
817		924
818	REQ_SEND;	925	REQ_SEND;
		926	}
		927
		928	void
		929	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		930	PPCODE:
		931	{
		932	dREQ;
		933
		934	req->type = EIO_READDIR;
		935	req->sv1 = newSVsv (pathname);
		936	req->ptr1 = SvPVbyte_nolen (req->sv1);
		937	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		938
		939	if (flags & EIO_READDIR_DENTS)
		940	req->int1 \|= EIO_READDIR_CUSTOM2;
		941
		942	REQ_SEND;
819	}	943	}
820		944
821	void	945	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	946	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	947	ALIAS:
…		…
888	{	1012	{
889	dREQ;	1013	dREQ;
890		1014
891	req->type = EIO_GROUP;	1015	req->type = EIO_GROUP;
892		1016
893	eio_submit (req);	1017	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1018	XPUSHs (req_sv (req, AIO_GRP_KLASS));
895	}	1019	}
896		1020
897	void	1021	void
898	aio_nop (SV *callback=&PL_sv_undef)	1022	aio_nop (SV *callback=&PL_sv_undef)
…		…
951		1075
952	int	1076	int
953	poll_fileno()	1077	poll_fileno()
954	PROTOTYPE:	1078	PROTOTYPE:
955	CODE:	1079	CODE:
956	RETVAL = respipe [0];	1080	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1081	OUTPUT:
958	RETVAL	1082	RETVAL
959		1083
960	int	1084	int
961	poll_cb(...)	1085	poll_cb(...)
…		…
1001	CODE:	1125	CODE:
1002	RETVAL = eio_nthreads ();	1126	RETVAL = eio_nthreads ();
1003	OUTPUT:	1127	OUTPUT:
1004	RETVAL	1128	RETVAL
1005		1129
		1130	int
		1131	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1132	PROTOTYPE: $$$$
		1133	CODE:
		1134	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1135	RETVAL = posix_fadvise (fh, offset, length, advice);
		1136	#else
		1137	RETVAL = errno = ENOSYS;
		1138	#endif
		1139	OUTPUT:
		1140	RETVAL
		1141
		1142	ssize_t
		1143	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1144	PROTOTYPE: $$$$
		1145	CODE:
		1146	eio_sendfile_sync (ofh, ifh, offset, count);
		1147
1006	void _on_next_submit (SV *cb)	1148	void _on_next_submit (SV *cb)
1007	CODE:	1149	CODE:
1008	SvREFCNT_dec (on_next_submit);	1150	SvREFCNT_dec (on_next_submit);
1009	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1151	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010		1152
…		…
1017	CODE:	1159	CODE:
1018	eio_cancel (req);	1160	eio_cancel (req);
1019		1161
1020	void	1162	void
1021	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1163	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022	CODE:	1164	PPCODE:
		1165	{
		1166	if (GIMME_V != G_VOID)
		1167	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1168
		1169	if (items > 1)
		1170	{
		1171	SV *cb_cv =get_cb (callback);
		1172
1023	SvREFCNT_dec (req->callback);	1173	SvREFCNT_dec (req->callback);
1024	req->callback = newSVsv (callback);	1174	req->callback = SvREFCNT_inc (cb_cv);
		1175	}
		1176	}
1025		1177
1026	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1178	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027		1179
1028	void	1180	void
1029	add (aio_req grp, ...)	1181	add (aio_req grp, ...)
…		…
1061	AV *av;	1213	AV *av;
1062		1214
1063	grp->errorno = errno;	1215	grp->errorno = errno;
1064		1216
1065	av = newAV ();	1217	av = newAV ();
		1218	av_extend (av, items - 1);
1066		1219
1067	for (i = 1; i < items; ++i )	1220	for (i = 1; i < items; ++i )
1068	av_push (av, newSVsv (ST (i)));	1221	av_push (av, newSVsv (ST (i)));
1069		1222
1070	SvREFCNT_dec (grp->sv1);	1223	SvREFCNT_dec (grp->sv1);
…		…
1084	void	1237	void
1085	feed (aio_req grp, SV *callback=&PL_sv_undef)	1238	feed (aio_req grp, SV *callback=&PL_sv_undef)
1086	CODE:	1239	CODE:
1087	{	1240	{
1088	SvREFCNT_dec (grp->sv2);	1241	SvREFCNT_dec (grp->sv2);
1089	grp->sv2 = newSVsv (callback);	1242	grp->sv2 = newSVsv (callback);
		1243	grp->feed = aio_grp_feed;
1090		1244
1091	if (grp->int2 <= 0)	1245	if (grp->int2 <= 0)
1092	grp->int2 = 2;	1246	grp->int2 = 2;
1093		1247
1094	eio_grp_limit (grp, grp->int2);	1248	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs. Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs.
Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC