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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.116 by root, Sat May 10 19:25:33 2008 UTC vs.
Revision 1.148 by root, Wed Jun 17 01:14:48 2009 UTC

…		…
12	#include <sys/types.h>	12	#include <sys/types.h>
13	#include <sys/stat.h>	13	#include <sys/stat.h>
14	#include <limits.h>	14	#include <limits.h>
15	#include <fcntl.h>	15	#include <fcntl.h>
16	#include <sched.h>	16	#include <sched.h>
		17
		18	/* perl namespace pollution */
		19	#undef VERSION
17		20
18	#ifdef _WIN32	21	#ifdef _WIN32
19		22
20	# define EIO_STRUCT_DIRENT Direntry_t	23	# define EIO_STRUCT_DIRENT Direntry_t
21	# undef malloc	24	# undef malloc
…		…
62	# include <signal.h>	65	# include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent	66	# define EIO_STRUCT_DIRENT struct dirent
64		67
65	#endif	68	#endif
66		69
		70	/* perl stupidly overrides readdir and maybe others */
		71	/* with thread-unsafe versions, imagine that :( */
		72	#undef readdir
		73	#undef opendir
		74	#undef closedir
		75
67	#define EIO_STRUCT_STAT Stat_t	76	#define EIO_STRUCT_STAT Stat_t
68		77
69	/* use NV for 32 bit perls as it allows larger offsets */	78	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	79	#if IVSIZE >= 8
		80	# define VAL64 IV
71	# define SvVAL64 SvIV	81	# define SvVAL64 SvIV
		82	# define newSVval64 newSViv
72	#else	83	#else
		84	# define VAL64 NV
73	# define SvVAL64 SvNV	85	# define SvVAL64 SvNV
		86	# define newSVval64 newSVnv
74	#endif	87	#endif
		88
		89	/*****************************************************************************/
		90
		91	#if __GNUC__ >= 3
		92	# define expect(expr,value) __builtin_expect ((expr),(value))
		93	#else
		94	# define expect(expr,value) (expr)
		95	#endif
		96
		97	#define expect_false(expr) expect ((expr) != 0, 0)
		98	#define expect_true(expr) expect ((expr) != 0, 1)
		99
		100	/*****************************************************************************/
75		101
76	static HV *stash;	102	static HV *stash;
77	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
		104	typedef int aio_rfd; /* read file desriptor */
		105	typedef int aio_wfd; /* write file descriptor */
78		106
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	#define AIO_REQ_KLASS "IO::AIO::REQ"
80	#define AIO_GRP_KLASS "IO::AIO::GRP"	108	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		109
82	#define EIO_COMMON \	110	#define EIO_REQ_MEMBERS \
83	SV *callback; \	111	SV *callback; \
84	SV sv1, sv2; \	112	SV sv1, sv2; \
85	STRLEN stroffset; \	113	STRLEN stroffset; \
86	SV *self	114	SV *self;
		115
		116	#define EIO_NO_WRAPPERS 1
87		117
88	#include "libeio/eio.h"	118	#include "libeio/eio.h"
		119
		120	#ifndef POSIX_FADV_NORMAL
		121	# define POSIX_FADV_NORMAL 0
		122	#endif
		123
		124	#ifndef POSIX_FADV_SEQUENTIAL
		125	# define POSIX_FADV_SEQUENTIAL 0
		126	#endif
		127
		128	#ifndef POSIX_FADV_RANDOM
		129	# define POSIX_FADV_RANDOM 0
		130	#endif
		131
		132	#ifndef POSIX_FADV_NOREUSE
		133	# define POSIX_FADV_NOREUSE 0
		134	#endif
		135
		136	#ifndef POSIX_FADV_WILLNEED
		137	# define POSIX_FADV_WILLNEED 0
		138	#endif
		139
		140	#ifndef POSIX_FADV_DONTNEED
		141	# define POSIX_FADV_DONTNEED 0
		142	#endif
89		143
90	static int req_invoke (eio_req *req);	144	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	145	#define EIO_FINISH(req) req_invoke (req)
92	static void aio_grp_feed (eio_req *grp);
93	#define EIO_FEED(req) aio_grp_feed (req)
94	static void req_destroy (eio_req *grp);	146	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	147	#define EIO_DESTROY(req) req_destroy (req)
96		148
97	enum {	149	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	150	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
101	#include "libeio/eio.c"	153	#include "libeio/eio.c"
102		154
103	typedef eio_req *aio_req;	155	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	156	typedef eio_req *aio_req_ornot;
105		157
		158	static SV *on_next_submit;
		159	static int next_pri = EIO_PRI_DEFAULT;
106	static int max_outstanding = 0;	160	static int max_outstanding;
107
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;
109		161
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	162	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		163
112	static void req_destroy (aio_req req);	164	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	165	static void req_cancel (aio_req req);
…		…
166	FREETMPS;	218	FREETMPS;
167	LEAVE;	219	LEAVE;
168	}	220	}
169	}	221	}
170		222
		223	static void req_submit (eio_req *req)
		224	{
		225	eio_submit (req);
		226
		227	if (expect_false (on_next_submit))
		228	{
		229	dSP;
		230	SV *cb = sv_2mortal (on_next_submit);
		231
		232	on_next_submit = 0;
		233
		234	PUSHMARK (SP);
		235	PUTBACK;
		236	call_sv (cb, G_DISCARD \| G_EVAL);
		237	}
		238	}
		239
171	static int req_invoke (eio_req *req)	240	static int req_invoke (eio_req *req)
172	{	241	{
173	dSP;	242	dSP;
174		243
175	if (req->flags & FLAG_SV2_RO_OFF)	244	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	245	SvREADONLY_off (req->sv2);
177		246
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	247	if (!EIO_CANCELLED (req) && req->callback)
179	{	248	{
180	ENTER;	249	ENTER;
181	SAVETMPS;	250	SAVETMPS;
182	PUSHMARK (SP);	251	PUSHMARK (SP);
183	EXTEND (SP, 1);	252	EXTEND (SP, 1);
…		…
189	SV *rv = &PL_sv_undef;	258	SV *rv = &PL_sv_undef;
190		259
191	if (req->result >= 0)	260	if (req->result >= 0)
192	{	261	{
193	int i;	262	int i;
194	char *buf = req->ptr2;	263	char names = (char )req->ptr2;
		264	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
195	AV *av = newAV ();	265	AV *av = newAV ();
196		266
197	av_extend (av, req->result - 1);	267	av_extend (av, req->result - 1);
198		268
199	for (i = 0; i < req->result; ++i)	269	for (i = 0; i < req->result; ++i)
200	{	270	{
201	SV *sv = newSVpv (buf, 0);	271	if (req->int1 & EIO_READDIR_DENTS)
		272	{
		273	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		274
		275	if (req->int1 & EIO_READDIR_CUSTOM2)
		276	{
		277	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		278	AV *avent = newAV ();
		279
		280	av_extend (avent, 2);
		281
		282	if (!sv_type [ent->type])
		283	{
		284	sv_type [ent->type] = newSViv (ent->type);
		285	SvREADONLY_on (sv_type [ent->type]);
		286	}
		287
		288	av_store (avent, 0, namesv);
		289	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		290	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		291
		292	av_store (av, i, newRV_noinc ((SV *)avent));
		293	}
		294	else
203	av_store (av, i, sv);	295	av_store (av, i, namesv);
		296
		297	++ent;
		298	}
		299	else
		300	{
		301	SV *name = newSVpv (names, 0);
		302	av_store (av, i, name);
204	buf += SvCUR (sv) + 1;	303	names += SvCUR (name) + 1;
		304	}
205	}	305	}
206		306
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	307	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	308	}
209		309
210	PUSHs (rv);	310	PUSHs (rv);
		311
		312	if (req->int1 & EIO_READDIR_CUSTOM1)
		313	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
211	}	314	}
212	break;	315	break;
213		316
214	case EIO_OPEN:	317	case EIO_OPEN:
215	{	318	{
…		…
221	GV gv = (GV )sv_newmortal ();	324	GV gv = (GV )sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	325	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
223	char sym [64];	326	char sym [64];
224	int symlen;	327	int symlen;
225		328
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	329	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	330	gv_init (gv, stash, sym, symlen, 0);
228		331
229	symlen = snprintf (	332	symlen = snprintf (
230	sym,	333	sym,
231	sizeof (sym),	334	sizeof (sym),
232	"%s&=%d",	335	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	336	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	337	(int)req->result
235	);	338	);
236		339
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	340	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	341	fh = (SV *)gv;
239	}	342	}
…		…
260	case EIO_BUSY:	363	case EIO_BUSY:
261	break;	364	break;
262		365
263	case EIO_READLINK:	366	case EIO_READLINK:
264	if (req->result > 0)	367	if (req->result > 0)
265	{	368	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266	SvCUR_set (req->sv2, req->result);
267	*SvEND (req->sv2) = 0;
268	PUSHs (req->sv2);
269	}
270	break;	369	break;
271		370
272	case EIO_STAT:	371	case EIO_STAT:
273	case EIO_LSTAT:	372	case EIO_LSTAT:
274	case EIO_FSTAT:	373	case EIO_FSTAT:
…		…
277	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	376	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	377	PUSHs (sv_2mortal (newSViv (req->result)));
279	break;	378	break;
280		379
281	case EIO_READ:	380	case EIO_READ:
		381	{
282	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	382	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283	*SvEND (req->sv2) = 0;	383	*SvEND (req->sv2) = 0;
		384	SvPOK_only (req->sv2);
		385	SvSETMAGIC (req->sv2);
284	PUSHs (sv_2mortal (newSViv (req->result)));	386	PUSHs (sv_2mortal (newSViv (req->result)));
		387	}
285	break;	388	break;
286		389
287	case EIO_DUP2:	390	case EIO_DUP2:
288	if (req->result > 0)	391	if (req->result > 0)
289	req->result = 0;	392	req->result = 0;
…		…
394	X_UNLOCK (reslock);	497	X_UNLOCK (reslock);
395		498
396	if (size)	499	if (size)
397	return;	500	return;
398		501
399	maybe_start_thread ();	502	etp_maybe_start_thread ();
400		503
401	FD_ZERO (&rfd);	504	FD_ZERO (&rfd);
402	FD_SET (respipe [0], &rfd);	505	FD_SET (respipe [0], &rfd);
403		506
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	507	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	508	}
406	}	509	}
407		510
408	static int poll_cb (void)	511	static int poll_cb (void)
409	{	512	{
410	int res;	513	for (;;)
411
412	do
413	{	514	{
414	res = eio_poll ();	515	int res = eio_poll ();
415		516
416	if (res > 0)	517	if (res > 0)
417	croak (0);	518	croak (0);
		519
		520	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		521	return res;
		522
		523	poll_wait ();
418	}	524	}
419	while (max_outstanding && max_outstanding <= eio_nreqs ());
420
421	return res;
422	}	525	}
423		526
424	static void atfork_child (void)	527	static void atfork_child (void)
425	{	528	{
426	create_respipe ();	529	create_respipe ();
427	}	530	}
428		531
		532	static SV *
		533	get_cb (SV *cb_sv)
		534	{
		535	HV *st;
		536	GV *gvp;
		537	CV *cv;
		538
		539	if (!SvOK (cb_sv))
		540	return 0;
		541
		542	cv = sv_2cv (cb_sv, &st, &gvp, 0);
		543
		544	if (!cv)
		545	croak ("IO::AIO callback must be undef or a CODE reference");
		546
		547	return (SV *)cv;
		548	}
		549
429	#define dREQ \	550	#define dREQ \
		551	SV *cb_cv; \
430	aio_req req; \	552	aio_req req; \
431	int req_pri = next_pri; \	553	int req_pri = next_pri; \
432	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	554	next_pri = EIO_PRI_DEFAULT; \
433	\	555	\
434	if (SvOK (callback) && !SvROK (callback)) \	556	cb_cv = get_cb (callback); \
435	croak ("callback must be undef or of reference type"); \
436	\	557	\
437	Newz (0, req, 1, eio_req); \	558	Newz (0, req, 1, eio_req); \
438	if (!req) \	559	if (!req) \
439	croak ("out of memory during eio_req allocation"); \	560	croak ("out of memory during eio_req allocation"); \
440	\	561	\
441	req->callback = newSVsv (callback); \	562	req->callback = SvREFCNT_inc (cb_cv); \
442	req->pri = req_pri	563	req->pri = req_pri
443		564
444	#define REQ_SEND \	565	#define REQ_SEND \
		566	PUTBACK; \
445	eio_submit (req); \	567	req_submit (req); \
		568	SPAGAIN; \
446	\	569	\
447	if (GIMME_V != G_VOID) \	570	if (GIMME_V != G_VOID) \
448	XPUSHs (req_sv (req, AIO_REQ_KLASS));	571	XPUSHs (req_sv (req, AIO_REQ_KLASS));
449		572
		573	static int
		574	extract_fd (SV *fh, int wr)
		575	{
		576	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
		577
		578	if (fd < 0)
		579	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
		580
		581	return fd;
		582	}
		583
450	MODULE = IO::AIO PACKAGE = IO::AIO	584	MODULE = IO::AIO PACKAGE = IO::AIO
451		585
452	PROTOTYPES: ENABLE	586	PROTOTYPES: ENABLE
453		587
454	BOOT:	588	BOOT:
455	{	589	{
456	stash = gv_stashpv ("IO::AIO", 1);	590	static const struct {
457		591	const char *name;
458	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	592	IV iv;
459	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	593	} *civ, const_iv[] = {
460	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	594	# define const_iv(name, value) { # name, (IV) value },
461	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	595	# define const_eio(name) { # name, (IV) EIO_ ## name },
462	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	596	const_iv (EXDEV , EXDEV)
		597	const_iv (ENOSYS , ENOSYS)
		598	const_iv (O_RDONLY, O_RDONLY)
		599	const_iv (O_WRONLY, O_WRONLY)
		600	const_iv (O_CREAT , O_CREAT)
		601	const_iv (O_TRUNC , O_TRUNC)
463	#ifdef _WIN32	602	#ifndef _WIN32
464	X_MUTEX_CHECK (wrklock);	603	const_iv (S_IFIFO , S_IFIFO)
465	X_MUTEX_CHECK (reslock);
466	X_MUTEX_CHECK (reqlock);
467	X_MUTEX_CHECK (reqwait);
468	X_MUTEX_CHECK (preadwritelock);
469	X_MUTEX_CHECK (readdirlock);
470
471	X_COND_CHECK (reqwait);
472	#else
473	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
474	#endif	604	#endif
		605	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		606	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		607	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		608	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		609	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		610	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
475		611
		612	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		613	const_eio (SYNC_FILE_RANGE_WRITE)
		614	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		615
		616	const_eio (READDIR_DENTS)
		617	const_eio (READDIR_DIRS_FIRST)
		618	const_eio (READDIR_STAT_ORDER)
		619	const_eio (READDIR_FOUND_UNKNOWN)
		620
		621	const_eio (DT_UNKNOWN)
		622	const_eio (DT_FIFO)
		623	const_eio (DT_CHR)
		624	const_eio (DT_DIR)
		625	const_eio (DT_BLK)
		626	const_eio (DT_REG)
		627	const_eio (DT_LNK)
		628	const_eio (DT_SOCK)
		629	const_eio (DT_WHT)
		630	};
		631
		632	stash = gv_stashpv ("IO::AIO", 1);
		633
		634	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		635	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		636
476	create_respipe ();	637	create_respipe ();
477		638
478	if (eio_init (want_poll, done_poll) < 0)	639	if (eio_init (want_poll, done_poll) < 0)
479	croak ("IO::AIO: unable to initialise eio library");	640	croak ("IO::AIO: unable to initialise eio library");
480		641
481	/* atfork child called in fifo order, so before eio's handler */	642	/* atfork child called in fifo order, so before eio's handler */
482	X_THREAD_ATFORK (0, 0, atfork_child);	643	X_THREAD_ATFORK (0, 0, atfork_child);
483	}	644	}
484		645
485	void	646	void
486	max_poll_reqs (int nreqs)	647	max_poll_reqs (int nreqs)
487	PROTOTYPE: $	648	PROTOTYPE: $
…		…
540	ALIAS:	701	ALIAS:
541	aio_fsync = EIO_FSYNC	702	aio_fsync = EIO_FSYNC
542	aio_fdatasync = EIO_FDATASYNC	703	aio_fdatasync = EIO_FDATASYNC
543	PPCODE:	704	PPCODE:
544	{	705	{
		706	int fd = extract_fd (fh, 0);
545	dREQ;	707	dREQ;
546		708
547	req->type = ix;	709	req->type = ix;
548	req->sv1 = newSVsv (fh);	710	req->sv1 = newSVsv (fh);
549	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	711	req->int1 = fd;
		712
		713	REQ_SEND (req);
		714	}
		715
		716	void
		717	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		718	PROTOTYPE: $$$$;$
		719	PPCODE:
		720	{
		721	int fd = extract_fd (fh, 0);
		722	dREQ;
		723
		724	req->type = EIO_SYNC_FILE_RANGE;
		725	req->sv1 = newSVsv (fh);
		726	req->int1 = fd;
		727	req->offs = offset;
		728	req->size = nbytes;
		729	req->int2 = flags;
550		730
551	REQ_SEND (req);	731	REQ_SEND (req);
552	}	732	}
553		733
554	void	734	void
555	aio_close (SV fh, SV callback=&PL_sv_undef)	735	aio_close (SV fh, SV callback=&PL_sv_undef)
556	PROTOTYPE: $;$	736	PROTOTYPE: $;$
557	PPCODE:	737	PPCODE:
558	{	738	{
559	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	739	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		740	int fd = extract_fd (fh, 0);
560	dREQ;	741	dREQ;
561		742
562	if (close_pipe < 0)	743	if (close_pipe < 0)
563	{	744	{
564	int pipefd [2];	745	int pipefd [2];
…		…
572	}	753	}
573		754
574	req->type = EIO_DUP2;	755	req->type = EIO_DUP2;
575	req->int1 = close_pipe;	756	req->int1 = close_pipe;
576	req->sv2 = newSVsv (fh);	757	req->sv2 = newSVsv (fh);
577	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	758	req->int2 = fd;
578		759
579	REQ_SEND (req);	760	REQ_SEND (req);
580	}	761	}
581		762
582	void	763	void
…		…
586	aio_write = EIO_WRITE	767	aio_write = EIO_WRITE
587	PROTOTYPE: $$$$$;$	768	PROTOTYPE: $$$$$;$
588	PPCODE:	769	PPCODE:
589	{	770	{
590	STRLEN svlen;	771	STRLEN svlen;
		772	int fd = extract_fd (fh, ix == EIO_WRITE);
591	char *svptr = SvPVbyte (data, svlen);	773	char *svptr = SvPVbyte (data, svlen);
592	UV len = SvUV (length);	774	UV len = SvUV (length);
593
594	SvUPGRADE (data, SVt_PV);
595	SvPOK_on (data);
596		775
597	if (dataoffset < 0)	776	if (dataoffset < 0)
598	dataoffset += svlen;	777	dataoffset += svlen;
599		778
600	if (dataoffset < 0 \|\| dataoffset > svlen)	779	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
606	if (!SvOK (length) \|\| len + dataoffset > svlen)	785	if (!SvOK (length) \|\| len + dataoffset > svlen)
607	len = svlen - dataoffset;	786	len = svlen - dataoffset;
608	}	787	}
609	else	788	else
610	{	789	{
611	/* read: grow scalar as necessary */	790	/* read: check type and grow scalar as necessary */
		791	SvUPGRADE (data, SVt_PV);
612	svptr = SvGROW (data, len + dataoffset + 1);	792	svptr = SvGROW (data, len + dataoffset + 1);
613	}	793	}
614
615	if (len < 0)
616	croak ("length must not be negative");
617		794
618	{	795	{
619	dREQ;	796	dREQ;
620		797
621	req->type = ix;	798	req->type = ix;
622	req->sv1 = newSVsv (fh);	799	req->sv1 = newSVsv (fh);
623	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	800	req->int1 = fd;
624	: IoOFP (sv_2io (fh)));
625	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	801	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
626	req->size = len;	802	req->size = len;
627	req->sv2 = SvREFCNT_inc (data);	803	req->sv2 = SvREFCNT_inc (data);
628	req->ptr2 = (char *)svptr + dataoffset;	804	req->ptr2 = (char *)svptr + dataoffset;
629	req->stroffset = dataoffset;	805	req->stroffset = dataoffset;
…		…
644	PPCODE:	820	PPCODE:
645	{	821	{
646	SV *data;	822	SV *data;
647	dREQ;	823	dREQ;
648		824
649	data = newSV (NAME_MAX);
650	SvPOK_on (data);
651
652	req->type = EIO_READLINK;	825	req->type = EIO_READLINK;
653	req->sv1 = newSVsv (path);	826	req->sv1 = newSVsv (path);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);	827	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->sv2 = data;
656	req->ptr2 = SvPVbyte_nolen (data);
657		828
658	REQ_SEND;	829	REQ_SEND;
659	}	830	}
660		831
661	void	832	void
662	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	833	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$$$;$	834	PROTOTYPE: $$$$;$
664	PPCODE:	835	PPCODE:
665	{	836	{
		837	int ifd = extract_fd (in_fh , 0);
		838	int ofd = extract_fd (out_fh, 0);
666	dREQ;	839	dREQ;
667		840
668	req->type = EIO_SENDFILE;	841	req->type = EIO_SENDFILE;
669	req->sv1 = newSVsv (out_fh);	842	req->sv1 = newSVsv (out_fh);
670	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	843	req->int1 = ofd;
671	req->sv2 = newSVsv (in_fh);	844	req->sv2 = newSVsv (in_fh);
672	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	845	req->int2 = ifd;
673	req->offs = SvVAL64 (in_offset);	846	req->offs = in_offset;
674	req->size = length;	847	req->size = length;
675		848
676	REQ_SEND;	849	REQ_SEND;
677	}	850	}
678		851
679	void	852	void
680	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	853	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
681	PROTOTYPE: $$$;$	854	PROTOTYPE: $$$;$
682	PPCODE:	855	PPCODE:
683	{	856	{
		857	int fd = extract_fd (fh, 0);
684	dREQ;	858	dREQ;
685		859
686	req->type = EIO_READAHEAD;	860	req->type = EIO_READAHEAD;
687	req->sv1 = newSVsv (fh);	861	req->sv1 = newSVsv (fh);
688	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	862	req->int1 = fd;
689	req->offs = SvVAL64 (offset);	863	req->offs = offset;
690	req->size = length;	864	req->size = length;
691		865
692	REQ_SEND;	866	REQ_SEND;
693	}	867	}
694		868
…		…
699	aio_lstat = EIO_LSTAT	873	aio_lstat = EIO_LSTAT
700	PPCODE:	874	PPCODE:
701	{	875	{
702	dREQ;	876	dREQ;
703		877
704	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
705	if (!req->ptr2)
706	{
707	req_destroy (req);
708	croak ("out of memory during aio_stat statdata allocation");
709	}
710
711	req->flags \|= EIO_FLAG_PTR2_FREE;
712	req->sv1 = newSVsv (fh_or_path);	878	req->sv1 = newSVsv (fh_or_path);
713		879
714	if (SvPOK (fh_or_path))	880	if (SvPOK (req->sv1))
715	{	881	{
716	req->type = ix;	882	req->type = ix;
717	req->ptr1 = SvPVbyte_nolen (req->sv1);	883	req->ptr1 = SvPVbyte_nolen (req->sv1);
718	}	884	}
719	else	885	else
…		…
733		899
734	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	900	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
735	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	901	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
736	req->sv1 = newSVsv (fh_or_path);	902	req->sv1 = newSVsv (fh_or_path);
737		903
738	if (SvPOK (fh_or_path))	904	if (SvPOK (req->sv1))
739	{	905	{
740	req->type = EIO_UTIME;	906	req->type = EIO_UTIME;
741	req->ptr1 = SvPVbyte_nolen (req->sv1);	907	req->ptr1 = SvPVbyte_nolen (req->sv1);
742	}	908	}
743	else	909	else
…		…
756	dREQ;	922	dREQ;
757		923
758	req->sv1 = newSVsv (fh_or_path);	924	req->sv1 = newSVsv (fh_or_path);
759	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	925	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
760		926
761	if (SvPOK (fh_or_path))	927	if (SvPOK (req->sv1))
762	{	928	{
763	req->type = EIO_TRUNCATE;	929	req->type = EIO_TRUNCATE;
764	req->ptr1 = SvPVbyte_nolen (req->sv1);	930	req->ptr1 = SvPVbyte_nolen (req->sv1);
765	}	931	}
766	else	932	else
…		…
774		940
775	void	941	void
776	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	942	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
777	ALIAS:	943	ALIAS:
778	aio_chmod = EIO_CHMOD	944	aio_chmod = EIO_CHMOD
779	aio_fchmod = EIO_FCHMOD
780	aio_mkdir = EIO_MKDIR	945	aio_mkdir = EIO_MKDIR
781	PPCODE:	946	PPCODE:
782	{	947	{
783	dREQ;	948	dREQ;
784		949
785	req->type = ix;
786	req->int2 = mode;	950	req->int2 = mode;
787	req->sv1 = newSVsv (fh_or_path);	951	req->sv1 = newSVsv (fh_or_path);
788		952
789	if (ix == EIO_FCHMOD)	953	if (SvPOK (req->sv1))
790	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	954	{
		955	req->type = ix;
		956	req->ptr1 = SvPVbyte_nolen (req->sv1);
		957	}
791	else	958	else
792	req->ptr1 = SvPVbyte_nolen (req->sv1);	959	{
		960	req->type = EIO_FCHMOD;
		961	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		962	}
793		963
794	REQ_SEND;	964	REQ_SEND;
795	}	965	}
796		966
797	void	967	void
…		…
802		972
803	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	973	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	974	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805	req->sv1 = newSVsv (fh_or_path);	975	req->sv1 = newSVsv (fh_or_path);
806		976
807	if (SvPOK (fh_or_path))	977	if (SvPOK (req->sv1))
808	{	978	{
809	req->type = EIO_CHOWN;	979	req->type = EIO_CHOWN;
810	req->ptr1 = SvPVbyte_nolen (req->sv1);	980	req->ptr1 = SvPVbyte_nolen (req->sv1);
811	}	981	}
812	else	982	else
…		…
814	req->type = EIO_FCHOWN;	984	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	985	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}	986	}
817		987
818	REQ_SEND;	988	REQ_SEND;
		989	}
		990
		991	void
		992	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		993	PPCODE:
		994	{
		995	dREQ;
		996
		997	req->type = EIO_READDIR;
		998	req->sv1 = newSVsv (pathname);
		999	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1000	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1001
		1002	if (flags & EIO_READDIR_DENTS)
		1003	req->int1 \|= EIO_READDIR_CUSTOM2;
		1004
		1005	REQ_SEND;
819	}	1006	}
820		1007
821	void	1008	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1009	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	1010	ALIAS:
…		…
888	{	1075	{
889	dREQ;	1076	dREQ;
890		1077
891	req->type = EIO_GROUP;	1078	req->type = EIO_GROUP;
892		1079
893	eio_submit (req);	1080	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1081	XPUSHs (req_sv (req, AIO_GRP_KLASS));
895	}	1082	}
896		1083
897	void	1084	void
898	aio_nop (SV *callback=&PL_sv_undef)	1085	aio_nop (SV *callback=&PL_sv_undef)
…		…
910		1097
911	int	1098	int
912	aioreq_pri (int pri = 0)	1099	aioreq_pri (int pri = 0)
913	PROTOTYPE: ;$	1100	PROTOTYPE: ;$
914	CODE:	1101	CODE:
915	RETVAL = next_pri - EIO_PRI_BIAS;	1102	RETVAL = next_pri;
916	if (items > 0)	1103	if (items > 0)
917	{	1104	{
918	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1105	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
919	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1106	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
920	next_pri = pri + EIO_PRI_BIAS;	1107	next_pri = pri;
921	}	1108	}
922	OUTPUT:	1109	OUTPUT:
923	RETVAL	1110	RETVAL
924		1111
925	void	1112	void
926	aioreq_nice (int nice = 0)	1113	aioreq_nice (int nice = 0)
927	CODE:	1114	CODE:
928	nice = next_pri - nice;	1115	nice = next_pri - nice;
929	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1116	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
930	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1117	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931	next_pri = nice + EIO_PRI_BIAS;	1118	next_pri = nice;
932		1119
933	void	1120	void
934	flush ()	1121	flush ()
935	PROTOTYPE:	1122	PROTOTYPE:
936	CODE:	1123	CODE:
…		…
997		1184
998	int	1185	int
999	nthreads()	1186	nthreads()
1000	PROTOTYPE:	1187	PROTOTYPE:
1001	CODE:	1188	CODE:
1002	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1189	RETVAL = eio_nthreads ();
1003	RETVAL = started;
1004	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1005	OUTPUT:	1190	OUTPUT:
1006	RETVAL	1191	RETVAL
1007		1192
		1193	int
		1194	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1195	PROTOTYPE: $$$$
		1196	CODE:
		1197	{
		1198	#if _XOPEN_SOURCE >= 600
		1199	RETVAL = posix_fadvise (fh, offset, length, advice);
		1200	#else
		1201	RETVAL = errno = ENOSYS;
		1202	#endif
		1203	}
		1204	OUTPUT:
		1205	RETVAL
		1206
		1207	ssize_t
		1208	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1209	PROTOTYPE: $$$$
		1210	CODE:
		1211	eio_sendfile_sync (ofh, ifh, offset, count);
		1212
		1213	void _on_next_submit (SV *cb)
		1214	CODE:
		1215	SvREFCNT_dec (on_next_submit);
		1216	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1217
1008	PROTOTYPES: DISABLE	1218	PROTOTYPES: DISABLE
1009		1219
1010	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1220	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1011		1221
1012	void	1222	void
…		…
1014	CODE:	1224	CODE:
1015	eio_cancel (req);	1225	eio_cancel (req);
1016		1226
1017	void	1227	void
1018	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1228	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1019	CODE:	1229	PPCODE:
		1230	{
		1231	if (GIMME_V != G_VOID)
		1232	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1233
		1234	if (items > 1)
		1235	{
		1236	SV *cb_cv = get_cb (callback);
		1237
1020	SvREFCNT_dec (req->callback);	1238	SvREFCNT_dec (req->callback);
1021	req->callback = newSVsv (callback);	1239	req->callback = SvREFCNT_inc (cb_cv);
		1240	}
		1241	}
1022		1242
1023	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1243	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1024		1244
1025	void	1245	void
1026	add (aio_req grp, ...)	1246	add (aio_req grp, ...)
…		…
1058	AV *av;	1278	AV *av;
1059		1279
1060	grp->errorno = errno;	1280	grp->errorno = errno;
1061		1281
1062	av = newAV ();	1282	av = newAV ();
		1283	av_extend (av, items - 1);
1063		1284
1064	for (i = 1; i < items; ++i )	1285	for (i = 1; i < items; ++i )
1065	av_push (av, newSVsv (ST (i)));	1286	av_push (av, newSVsv (ST (i)));
1066		1287
1067	SvREFCNT_dec (grp->sv1);	1288	SvREFCNT_dec (grp->sv1);
…		…
1081	void	1302	void
1082	feed (aio_req grp, SV *callback=&PL_sv_undef)	1303	feed (aio_req grp, SV *callback=&PL_sv_undef)
1083	CODE:	1304	CODE:
1084	{	1305	{
1085	SvREFCNT_dec (grp->sv2);	1306	SvREFCNT_dec (grp->sv2);
1086	grp->sv2 = newSVsv (callback);	1307	grp->sv2 = newSVsv (callback);
		1308	grp->feed = aio_grp_feed;
1087		1309
1088	if (grp->int2 <= 0)	1310	if (grp->int2 <= 0)
1089	grp->int2 = 2;	1311	grp->int2 = 2;
1090		1312
1091	eio_grp_limit (grp, grp->int2);	1313	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.116 by root, Sat May 10 19:25:33 2008 UTC vs. Revision 1.148 by root, Wed Jun 17 01:14:48 2009 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.116 by root, Sat May 10 19:25:33 2008 UTC vs.
Revision 1.148 by root, Wed Jun 17 01:14:48 2009 UTC