[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 1.149 by root, Tue Jun 30 07:33:58 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	# 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
89		144
90	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	146	#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);	147	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	148	#define EIO_DESTROY(req) req_destroy (req)
96		149
97	enum {	150	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
101	#include "libeio/eio.c"	154	#include "libeio/eio.c"
102		155
103	typedef eio_req *aio_req;	156	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	157	typedef eio_req *aio_req_ornot;
105		158
		159	static SV *on_next_submit;
		160	static int next_pri = EIO_PRI_DEFAULT;
106	static int max_outstanding = 0;	161	static int max_outstanding;
107
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;
109		162
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	163	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		164
112	static void req_destroy (aio_req req);	165	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	166	static void req_cancel (aio_req req);
…		…
166	FREETMPS;	219	FREETMPS;
167	LEAVE;	220	LEAVE;
168	}	221	}
169	}	222	}
170		223
		224	static void req_submit (eio_req *req)
		225	{
		226	eio_submit (req);
		227
		228	if (expect_false (on_next_submit))
		229	{
		230	dSP;
		231	SV *cb = sv_2mortal (on_next_submit);
		232
		233	on_next_submit = 0;
		234
		235	PUSHMARK (SP);
		236	PUTBACK;
		237	call_sv (cb, G_DISCARD \| G_EVAL);
		238	}
		239	}
		240
171	static int req_invoke (eio_req *req)	241	static int req_invoke (eio_req *req)
172	{	242	{
173	dSP;	243	dSP;
174		244
175	if (req->flags & FLAG_SV2_RO_OFF)	245	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	246	SvREADONLY_off (req->sv2);
177		247
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	248	if (!EIO_CANCELLED (req) && req->callback)
179	{	249	{
180	ENTER;	250	ENTER;
181	SAVETMPS;	251	SAVETMPS;
182	PUSHMARK (SP);	252	PUSHMARK (SP);
183	EXTEND (SP, 1);	253	EXTEND (SP, 1);
…		…
189	SV *rv = &PL_sv_undef;	259	SV *rv = &PL_sv_undef;
190		260
191	if (req->result >= 0)	261	if (req->result >= 0)
192	{	262	{
193	int i;	263	int i;
194	char *buf = req->ptr2;	264	char names = (char )req->ptr2;
		265	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
195	AV *av = newAV ();	266	AV *av = newAV ();
196		267
197	av_extend (av, req->result - 1);	268	av_extend (av, req->result - 1);
198		269
199	for (i = 0; i < req->result; ++i)	270	for (i = 0; i < req->result; ++i)
200	{	271	{
201	SV *sv = newSVpv (buf, 0);	272	if (req->int1 & EIO_READDIR_DENTS)
		273	{
		274	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		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
203	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);
204	buf += SvCUR (sv) + 1;	304	names += SvCUR (name) + 1;
		305	}
205	}	306	}
206		307
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	308	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	309	}
209		310
210	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))));
211	}	315	}
212	break;	316	break;
213		317
214	case EIO_OPEN:	318	case EIO_OPEN:
215	{	319	{
…		…
221	GV gv = (GV )sv_newmortal ();	325	GV gv = (GV )sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	326	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
223	char sym [64];	327	char sym [64];
224	int symlen;	328	int symlen;
225		329
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	331	gv_init (gv, stash, sym, symlen, 0);
228		332
229	symlen = snprintf (	333	symlen = snprintf (
230	sym,	334	sym,
231	sizeof (sym),	335	sizeof (sym),
232	"%s&=%d",	336	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	337	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	338	(int)req->result
235	);	339	);
236		340
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	341	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	342	fh = (SV *)gv;
239	}	343	}
…		…
260	case EIO_BUSY:	364	case EIO_BUSY:
261	break;	365	break;
262		366
263	case EIO_READLINK:	367	case EIO_READLINK:
264	if (req->result > 0)	368	if (req->result > 0)
265	{	369	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;	370	break;
271		371
272	case EIO_STAT:	372	case EIO_STAT:
273	case EIO_LSTAT:	373	case EIO_LSTAT:
274	case EIO_FSTAT:	374	case EIO_FSTAT:
…		…
277	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	377	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	378	PUSHs (sv_2mortal (newSViv (req->result)));
279	break;	379	break;
280		380
281	case EIO_READ:	381	case EIO_READ:
		382	{
282	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));
283	*SvEND (req->sv2) = 0;	384	*SvEND (req->sv2) = 0;
		385	SvPOK_only (req->sv2);
		386	SvSETMAGIC (req->sv2);
284	PUSHs (sv_2mortal (newSViv (req->result)));	387	PUSHs (sv_2mortal (newSViv (req->result)));
		388	}
285	break;	389	break;
286		390
287	case EIO_DUP2:	391	case EIO_DUP2:
288	if (req->result > 0)	392	if (req->result > 0)
289	req->result = 0;	393	req->result = 0;
…		…
394	X_UNLOCK (reslock);	498	X_UNLOCK (reslock);
395		499
396	if (size)	500	if (size)
397	return;	501	return;
398		502
399	maybe_start_thread ();	503	etp_maybe_start_thread ();
400		504
401	FD_ZERO (&rfd);	505	FD_ZERO (&rfd);
402	FD_SET (respipe [0], &rfd);	506	FD_SET (respipe [0], &rfd);
403		507
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	508	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	509	}
406	}	510	}
407		511
408	static int poll_cb (void)	512	static int poll_cb (void)
409	{	513	{
410	int res;	514	for (;;)
411
412	do
413	{	515	{
414	res = eio_poll ();	516	int res = eio_poll ();
415		517
416	if (res > 0)	518	if (res > 0)
417	croak (0);	519	croak (0);
		520
		521	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		522	return res;
		523
		524	poll_wait ();
418	}	525	}
419	while (max_outstanding && max_outstanding <= eio_nreqs ());
420
421	return res;
422	}	526	}
423		527
424	static void atfork_child (void)	528	static void atfork_child (void)
425	{	529	{
426	create_respipe ();	530	create_respipe ();
427	}	531	}
428		532
		533	static SV *
		534	get_cb (SV *cb_sv)
		535	{
		536	HV *st;
		537	GV *gvp;
		538	CV *cv;
		539
		540	if (!SvOK (cb_sv))
		541	return 0;
		542
		543	cv = sv_2cv (cb_sv, &st, &gvp, 0);
		544
		545	if (!cv)
		546	croak ("IO::AIO callback must be undef or a CODE reference");
		547
		548	return (SV *)cv;
		549	}
		550
429	#define dREQ \	551	#define dREQ \
		552	SV *cb_cv; \
430	aio_req req; \	553	aio_req req; \
431	int req_pri = next_pri; \	554	int req_pri = next_pri; \
432	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	555	next_pri = EIO_PRI_DEFAULT; \
433	\	556	\
434	if (SvOK (callback) && !SvROK (callback)) \	557	cb_cv = get_cb (callback); \
435	croak ("callback must be undef or of reference type"); \
436	\	558	\
437	Newz (0, req, 1, eio_req); \	559	Newz (0, req, 1, eio_req); \
438	if (!req) \	560	if (!req) \
439	croak ("out of memory during eio_req allocation"); \	561	croak ("out of memory during eio_req allocation"); \
440	\	562	\
441	req->callback = newSVsv (callback); \	563	req->callback = SvREFCNT_inc (cb_cv); \
442	req->pri = req_pri	564	req->pri = req_pri
443		565
444	#define REQ_SEND \	566	#define REQ_SEND \
		567	PUTBACK; \
445	eio_submit (req); \	568	req_submit (req); \
		569	SPAGAIN; \
446	\	570	\
447	if (GIMME_V != G_VOID) \	571	if (GIMME_V != G_VOID) \
448	XPUSHs (req_sv (req, AIO_REQ_KLASS));	572	XPUSHs (req_sv (req, AIO_REQ_KLASS));
449		573
		574	static int
		575	extract_fd (SV *fh, int wr)
		576	{
		577	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
		578
		579	if (fd < 0)
		580	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
		581
		582	return fd;
		583	}
		584
450	MODULE = IO::AIO PACKAGE = IO::AIO	585	MODULE = IO::AIO PACKAGE = IO::AIO
451		586
452	PROTOTYPES: ENABLE	587	PROTOTYPES: ENABLE
453		588
454	BOOT:	589	BOOT:
455	{	590	{
456	stash = gv_stashpv ("IO::AIO", 1);	591	static const struct {
457		592	const char *name;
458	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	593	IV iv;
459	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	594	} *civ, const_iv[] = {
460	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	595	# define const_iv(name, value) { # name, (IV) value },
461	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	596	# define const_eio(name) { # name, (IV) EIO_ ## name },
462	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	597	const_iv (EXDEV , EXDEV)
		598	const_iv (ENOSYS , ENOSYS)
		599	const_iv (O_RDONLY, O_RDONLY)
		600	const_iv (O_WRONLY, O_WRONLY)
		601	const_iv (O_CREAT , O_CREAT)
		602	const_iv (O_TRUNC , O_TRUNC)
463	#ifdef _WIN32	603	#ifndef _WIN32
464	X_MUTEX_CHECK (wrklock);	604	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	605	#endif
		606	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		607	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		608	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		609	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		610	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		611	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
475		612
		613	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		614	const_eio (SYNC_FILE_RANGE_WRITE)
		615	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		616
		617	const_eio (READDIR_DENTS)
		618	const_eio (READDIR_DIRS_FIRST)
		619	const_eio (READDIR_STAT_ORDER)
		620	const_eio (READDIR_FOUND_UNKNOWN)
		621
		622	const_eio (DT_UNKNOWN)
		623	const_eio (DT_FIFO)
		624	const_eio (DT_CHR)
		625	const_eio (DT_DIR)
		626	const_eio (DT_BLK)
		627	const_eio (DT_REG)
		628	const_eio (DT_LNK)
		629	const_eio (DT_SOCK)
		630	const_eio (DT_WHT)
		631	};
		632
		633	stash = gv_stashpv ("IO::AIO", 1);
		634
		635	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		636	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		637
476	create_respipe ();	638	create_respipe ();
477		639
478	if (eio_init (want_poll, done_poll) < 0)	640	if (eio_init (want_poll, done_poll) < 0)
479	croak ("IO::AIO: unable to initialise eio library");	641	croak ("IO::AIO: unable to initialise eio library");
480		642
481	/* atfork child called in fifo order, so before eio's handler */	643	/* atfork child called in fifo order, so before eio's handler */
482	X_THREAD_ATFORK (0, 0, atfork_child);	644	X_THREAD_ATFORK (0, 0, atfork_child);
483	}	645	}
484		646
485	void	647	void
486	max_poll_reqs (int nreqs)	648	max_poll_reqs (int nreqs)
487	PROTOTYPE: $	649	PROTOTYPE: $
…		…
540	ALIAS:	702	ALIAS:
541	aio_fsync = EIO_FSYNC	703	aio_fsync = EIO_FSYNC
542	aio_fdatasync = EIO_FDATASYNC	704	aio_fdatasync = EIO_FDATASYNC
543	PPCODE:	705	PPCODE:
544	{	706	{
		707	int fd = extract_fd (fh, 0);
545	dREQ;	708	dREQ;
546		709
547	req->type = ix;	710	req->type = ix;
548	req->sv1 = newSVsv (fh);	711	req->sv1 = newSVsv (fh);
549	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	712	req->int1 = fd;
		713
		714	REQ_SEND (req);
		715	}
		716
		717	void
		718	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		719	PROTOTYPE: $$$$;$
		720	PPCODE:
		721	{
		722	int fd = extract_fd (fh, 0);
		723	dREQ;
		724
		725	req->type = EIO_SYNC_FILE_RANGE;
		726	req->sv1 = newSVsv (fh);
		727	req->int1 = fd;
		728	req->offs = offset;
		729	req->size = nbytes;
		730	req->int2 = flags;
550		731
551	REQ_SEND (req);	732	REQ_SEND (req);
552	}	733	}
553		734
554	void	735	void
555	aio_close (SV fh, SV callback=&PL_sv_undef)	736	aio_close (SV fh, SV callback=&PL_sv_undef)
556	PROTOTYPE: $;$	737	PROTOTYPE: $;$
557	PPCODE:	738	PPCODE:
558	{	739	{
559	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	740	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		741	int fd = extract_fd (fh, 0);
560	dREQ;	742	dREQ;
561		743
562	if (close_pipe < 0)	744	if (close_pipe < 0)
563	{	745	{
564	int pipefd [2];	746	int pipefd [2];
…		…
572	}	754	}
573		755
574	req->type = EIO_DUP2;	756	req->type = EIO_DUP2;
575	req->int1 = close_pipe;	757	req->int1 = close_pipe;
576	req->sv2 = newSVsv (fh);	758	req->sv2 = newSVsv (fh);
577	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	759	req->int2 = fd;
578		760
579	REQ_SEND (req);	761	REQ_SEND (req);
580	}	762	}
581		763
582	void	764	void
…		…
586	aio_write = EIO_WRITE	768	aio_write = EIO_WRITE
587	PROTOTYPE: $$$$$;$	769	PROTOTYPE: $$$$$;$
588	PPCODE:	770	PPCODE:
589	{	771	{
590	STRLEN svlen;	772	STRLEN svlen;
		773	int fd = extract_fd (fh, ix == EIO_WRITE);
591	char *svptr = SvPVbyte (data, svlen);	774	char *svptr = SvPVbyte (data, svlen);
592	UV len = SvUV (length);	775	UV len = SvUV (length);
593
594	SvUPGRADE (data, SVt_PV);
595	SvPOK_on (data);
596		776
597	if (dataoffset < 0)	777	if (dataoffset < 0)
598	dataoffset += svlen;	778	dataoffset += svlen;
599		779
600	if (dataoffset < 0 \|\| dataoffset > svlen)	780	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
606	if (!SvOK (length) \|\| len + dataoffset > svlen)	786	if (!SvOK (length) \|\| len + dataoffset > svlen)
607	len = svlen - dataoffset;	787	len = svlen - dataoffset;
608	}	788	}
609	else	789	else
610	{	790	{
611	/* read: grow scalar as necessary */	791	/* read: check type and grow scalar as necessary */
		792	SvUPGRADE (data, SVt_PV);
612	svptr = SvGROW (data, len + dataoffset + 1);	793	svptr = SvGROW (data, len + dataoffset + 1);
613	}	794	}
614
615	if (len < 0)
616	croak ("length must not be negative");
617		795
618	{	796	{
619	dREQ;	797	dREQ;
620		798
621	req->type = ix;	799	req->type = ix;
622	req->sv1 = newSVsv (fh);	800	req->sv1 = newSVsv (fh);
623	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	801	req->int1 = fd;
624	: IoOFP (sv_2io (fh)));
625	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	802	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
626	req->size = len;	803	req->size = len;
627	req->sv2 = SvREFCNT_inc (data);	804	req->sv2 = SvREFCNT_inc (data);
628	req->ptr2 = (char *)svptr + dataoffset;	805	req->ptr2 = (char *)svptr + dataoffset;
629	req->stroffset = dataoffset;	806	req->stroffset = dataoffset;
…		…
644	PPCODE:	821	PPCODE:
645	{	822	{
646	SV *data;	823	SV *data;
647	dREQ;	824	dREQ;
648		825
649	data = newSV (NAME_MAX);
650	SvPOK_on (data);
651
652	req->type = EIO_READLINK;	826	req->type = EIO_READLINK;
653	req->sv1 = newSVsv (path);	827	req->sv1 = newSVsv (path);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);	828	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->sv2 = data;
656	req->ptr2 = SvPVbyte_nolen (data);
657		829
658	REQ_SEND;	830	REQ_SEND;
659	}	831	}
660		832
661	void	833	void
662	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	834	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$$$;$	835	PROTOTYPE: $$$$;$
664	PPCODE:	836	PPCODE:
665	{	837	{
		838	int ifd = extract_fd (in_fh , 0);
		839	int ofd = extract_fd (out_fh, 0);
666	dREQ;	840	dREQ;
667		841
668	req->type = EIO_SENDFILE;	842	req->type = EIO_SENDFILE;
669	req->sv1 = newSVsv (out_fh);	843	req->sv1 = newSVsv (out_fh);
670	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	844	req->int1 = ofd;
671	req->sv2 = newSVsv (in_fh);	845	req->sv2 = newSVsv (in_fh);
672	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	846	req->int2 = ifd;
673	req->offs = SvVAL64 (in_offset);	847	req->offs = in_offset;
674	req->size = length;	848	req->size = length;
675		849
676	REQ_SEND;	850	REQ_SEND;
677	}	851	}
678		852
679	void	853	void
680	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	854	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
681	PROTOTYPE: $$$;$	855	PROTOTYPE: $$$;$
682	PPCODE:	856	PPCODE:
683	{	857	{
		858	int fd = extract_fd (fh, 0);
684	dREQ;	859	dREQ;
685		860
686	req->type = EIO_READAHEAD;	861	req->type = EIO_READAHEAD;
687	req->sv1 = newSVsv (fh);	862	req->sv1 = newSVsv (fh);
688	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	863	req->int1 = fd;
689	req->offs = SvVAL64 (offset);	864	req->offs = offset;
690	req->size = length;	865	req->size = length;
691		866
692	REQ_SEND;	867	REQ_SEND;
693	}	868	}
694		869
…		…
699	aio_lstat = EIO_LSTAT	874	aio_lstat = EIO_LSTAT
700	PPCODE:	875	PPCODE:
701	{	876	{
702	dREQ;	877	dREQ;
703		878
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);	879	req->sv1 = newSVsv (fh_or_path);
713		880
714	if (SvPOK (fh_or_path))	881	if (SvPOK (req->sv1))
715	{	882	{
716	req->type = ix;	883	req->type = ix;
717	req->ptr1 = SvPVbyte_nolen (req->sv1);	884	req->ptr1 = SvPVbyte_nolen (req->sv1);
718	}	885	}
719	else	886	else
…		…
733		900
734	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	901	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
735	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	902	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
736	req->sv1 = newSVsv (fh_or_path);	903	req->sv1 = newSVsv (fh_or_path);
737		904
738	if (SvPOK (fh_or_path))	905	if (SvPOK (req->sv1))
739	{	906	{
740	req->type = EIO_UTIME;	907	req->type = EIO_UTIME;
741	req->ptr1 = SvPVbyte_nolen (req->sv1);	908	req->ptr1 = SvPVbyte_nolen (req->sv1);
742	}	909	}
743	else	910	else
…		…
756	dREQ;	923	dREQ;
757		924
758	req->sv1 = newSVsv (fh_or_path);	925	req->sv1 = newSVsv (fh_or_path);
759	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	926	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
760		927
761	if (SvPOK (fh_or_path))	928	if (SvPOK (req->sv1))
762	{	929	{
763	req->type = EIO_TRUNCATE;	930	req->type = EIO_TRUNCATE;
764	req->ptr1 = SvPVbyte_nolen (req->sv1);	931	req->ptr1 = SvPVbyte_nolen (req->sv1);
765	}	932	}
766	else	933	else
…		…
774		941
775	void	942	void
776	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	943	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
777	ALIAS:	944	ALIAS:
778	aio_chmod = EIO_CHMOD	945	aio_chmod = EIO_CHMOD
779	aio_fchmod = EIO_FCHMOD
780	aio_mkdir = EIO_MKDIR	946	aio_mkdir = EIO_MKDIR
781	PPCODE:	947	PPCODE:
782	{	948	{
783	dREQ;	949	dREQ;
784		950
785	req->type = ix;
786	req->int2 = mode;	951	req->int2 = mode;
787	req->sv1 = newSVsv (fh_or_path);	952	req->sv1 = newSVsv (fh_or_path);
788		953
789	if (ix == EIO_FCHMOD)	954	if (SvPOK (req->sv1))
790	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	955	{
		956	req->type = ix;
		957	req->ptr1 = SvPVbyte_nolen (req->sv1);
		958	}
791	else	959	else
792	req->ptr1 = SvPVbyte_nolen (req->sv1);	960	{
		961	req->type = EIO_FCHMOD;
		962	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		963	}
793		964
794	REQ_SEND;	965	REQ_SEND;
795	}	966	}
796		967
797	void	968	void
…		…
802		973
803	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	974	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	975	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805	req->sv1 = newSVsv (fh_or_path);	976	req->sv1 = newSVsv (fh_or_path);
806		977
807	if (SvPOK (fh_or_path))	978	if (SvPOK (req->sv1))
808	{	979	{
809	req->type = EIO_CHOWN;	980	req->type = EIO_CHOWN;
810	req->ptr1 = SvPVbyte_nolen (req->sv1);	981	req->ptr1 = SvPVbyte_nolen (req->sv1);
811	}	982	}
812	else	983	else
…		…
814	req->type = EIO_FCHOWN;	985	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	986	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}	987	}
817		988
818	REQ_SEND;	989	REQ_SEND;
		990	}
		991
		992	void
		993	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		994	PPCODE:
		995	{
		996	dREQ;
		997
		998	req->type = EIO_READDIR;
		999	req->sv1 = newSVsv (pathname);
		1000	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1001	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1002
		1003	if (flags & EIO_READDIR_DENTS)
		1004	req->int1 \|= EIO_READDIR_CUSTOM2;
		1005
		1006	REQ_SEND;
819	}	1007	}
820		1008
821	void	1009	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1010	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	1011	ALIAS:
…		…
888	{	1076	{
889	dREQ;	1077	dREQ;
890		1078
891	req->type = EIO_GROUP;	1079	req->type = EIO_GROUP;
892		1080
893	eio_submit (req);	1081	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1082	XPUSHs (req_sv (req, AIO_GRP_KLASS));
895	}	1083	}
896		1084
897	void	1085	void
898	aio_nop (SV *callback=&PL_sv_undef)	1086	aio_nop (SV *callback=&PL_sv_undef)
…		…
910		1098
911	int	1099	int
912	aioreq_pri (int pri = 0)	1100	aioreq_pri (int pri = 0)
913	PROTOTYPE: ;$	1101	PROTOTYPE: ;$
914	CODE:	1102	CODE:
915	RETVAL = next_pri - EIO_PRI_BIAS;	1103	RETVAL = next_pri;
916	if (items > 0)	1104	if (items > 0)
917	{	1105	{
918	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1106	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
919	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1107	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
920	next_pri = pri + EIO_PRI_BIAS;	1108	next_pri = pri;
921	}	1109	}
922	OUTPUT:	1110	OUTPUT:
923	RETVAL	1111	RETVAL
924		1112
925	void	1113	void
926	aioreq_nice (int nice = 0)	1114	aioreq_nice (int nice = 0)
927	CODE:	1115	CODE:
928	nice = next_pri - nice;	1116	nice = next_pri - nice;
929	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1117	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
930	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1118	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931	next_pri = nice + EIO_PRI_BIAS;	1119	next_pri = nice;
932		1120
933	void	1121	void
934	flush ()	1122	flush ()
935	PROTOTYPE:	1123	PROTOTYPE:
936	CODE:	1124	CODE:
…		…
997		1185
998	int	1186	int
999	nthreads()	1187	nthreads()
1000	PROTOTYPE:	1188	PROTOTYPE:
1001	CODE:	1189	CODE:
1002	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1190	RETVAL = eio_nthreads ();
1003	RETVAL = started;
1004	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1005	OUTPUT:	1191	OUTPUT:
1006	RETVAL	1192	RETVAL
1007		1193
		1194	int
		1195	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1196	PROTOTYPE: $$$$
		1197	CODE:
		1198	{
		1199	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1200	RETVAL = posix_fadvise (fh, offset, length, advice);
		1201	#else
		1202	RETVAL = errno = ENOSYS;
		1203	#endif
		1204	}
		1205	OUTPUT:
		1206	RETVAL
		1207
		1208	ssize_t
		1209	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1210	PROTOTYPE: $$$$
		1211	CODE:
		1212	eio_sendfile_sync (ofh, ifh, offset, count);
		1213
		1214	void _on_next_submit (SV *cb)
		1215	CODE:
		1216	SvREFCNT_dec (on_next_submit);
		1217	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1218
1008	PROTOTYPES: DISABLE	1219	PROTOTYPES: DISABLE
1009		1220
1010	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1221	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1011		1222
1012	void	1223	void
…		…
1014	CODE:	1225	CODE:
1015	eio_cancel (req);	1226	eio_cancel (req);
1016		1227
1017	void	1228	void
1018	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1229	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1019	CODE:	1230	PPCODE:
		1231	{
		1232	if (GIMME_V != G_VOID)
		1233	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1234
		1235	if (items > 1)
		1236	{
		1237	SV *cb_cv = get_cb (callback);
		1238
1020	SvREFCNT_dec (req->callback);	1239	SvREFCNT_dec (req->callback);
1021	req->callback = newSVsv (callback);	1240	req->callback = SvREFCNT_inc (cb_cv);
		1241	}
		1242	}
1022		1243
1023	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1244	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1024		1245
1025	void	1246	void
1026	add (aio_req grp, ...)	1247	add (aio_req grp, ...)
…		…
1058	AV *av;	1279	AV *av;
1059		1280
1060	grp->errorno = errno;	1281	grp->errorno = errno;
1061		1282
1062	av = newAV ();	1283	av = newAV ();
		1284	av_extend (av, items - 1);
1063		1285
1064	for (i = 1; i < items; ++i )	1286	for (i = 1; i < items; ++i )
1065	av_push (av, newSVsv (ST (i)));	1287	av_push (av, newSVsv (ST (i)));
1066		1288
1067	SvREFCNT_dec (grp->sv1);	1289	SvREFCNT_dec (grp->sv1);
…		…
1081	void	1303	void
1082	feed (aio_req grp, SV *callback=&PL_sv_undef)	1304	feed (aio_req grp, SV *callback=&PL_sv_undef)
1083	CODE:	1305	CODE:
1084	{	1306	{
1085	SvREFCNT_dec (grp->sv2);	1307	SvREFCNT_dec (grp->sv2);
1086	grp->sv2 = newSVsv (callback);	1308	grp->sv2 = newSVsv (callback);
		1309	grp->feed = aio_grp_feed;
1087		1310
1088	if (grp->int2 <= 0)	1311	if (grp->int2 <= 0)
1089	grp->int2 = 2;	1312	grp->int2 = 2;
1090		1313
1091	eio_grp_limit (grp, grp->int2);	1314	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 1.149 by root, Tue Jun 30 07:33:58 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 1.149 by root, Tue Jun 30 07:33:58 2009 UTC