[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 1.158 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>
…		…
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
78		90
79	static HV *stash;	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	/*****************************************************************************/
		103
80	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 */
81		107
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	108	static HV aio_stash, aio_req_stash, *aio_grp_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		109
85	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
86	SV *callback; \	111	SV *callback; \
87	SV sv1, sv2; \	112	SV sv1, sv2; \
88	STRLEN stroffset; \	113	STRLEN stroffset; \
…		…
90		115
91	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
92		117
93	#include "libeio/eio.h"	118	#include "libeio/eio.h"
94		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
95	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
96	#define EIO_FINISH(req) req_invoke (req)	146	#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);	147	static void req_destroy (eio_req *grp);
100	#define EIO_DESTROY(req) req_destroy (req)	148	#define EIO_DESTROY(req) req_destroy (req)
101		149
102	enum {	150	enum {
103	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
110		158
111	static SV *on_next_submit;	159	static SV *on_next_submit;
112	static int next_pri = EIO_PRI_DEFAULT;	160	static int next_pri = EIO_PRI_DEFAULT;
113	static int max_outstanding;	161	static int max_outstanding;
114		162
115	static int respipe_osf [2], respipe [2] = { -1, -1 };	163	static s_epipe respipe;
116		164
117	static void req_destroy (aio_req req);	165	static void req_destroy (aio_req req);
118	static void req_cancel (aio_req req);	166	static void req_cancel (aio_req req);
119		167
120	static void want_poll (void)	168	static void want_poll (void)
121	{	169	{
122	/* write a dummy byte to the pipe so fh becomes ready */	170	/* write a dummy byte to the pipe so fh becomes ready */
123	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	171	s_epipe_signal (&respipe);
124	}	172	}
125		173
126	static void done_poll (void)	174	static void done_poll (void)
127	{	175	{
128	/* read any signals sent by the worker threads */	176	/* read any signals sent by the worker threads */
129	char buf [4];	177	s_epipe_drain (&respipe);
130	while (respipe_read (respipe [0], buf, 4) == 4)
131	;
132	}	178	}
133		179
134	/* must be called at most once */	180	/* must be called at most once */
135	static SV req_sv (aio_req req, const char klass)	181	static SV req_sv (aio_req req, HV stash)
136	{	182	{
137	if (!req->self)	183	if (!req->self)
138	{	184	{
139	req->self = (SV *)newHV ();	185	req->self = (SV *)newHV ();
140	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	186	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141	}	187	}
142		188
143	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144	}	190	}
145		191
146	static aio_req SvAIO_REQ (SV *sv)	192	static aio_req SvAIO_REQ (SV *sv)
147	{	193	{
148	MAGIC *mg;	194	MAGIC *mg;
149		195
150	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")))
151	croak ("object of class " AIO_REQ_KLASS " expected");	200	croak ("object of class IO::AIO::REQ expected");
152		201
153	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154		203
155	return mg ? (aio_req)mg->mg_ptr : 0;	204	return mg ? (aio_req)mg->mg_ptr : 0;
156	}	205	}
…		…
162	dSP;	211	dSP;
163		212
164	ENTER;	213	ENTER;
165	SAVETMPS;	214	SAVETMPS;
166	PUSHMARK (SP);	215	PUSHMARK (SP);
167	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	216	XPUSHs (req_sv (grp, aio_grp_stash));
168	PUTBACK;	217	PUTBACK;
169	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
170	SPAGAIN;	219	SPAGAIN;
171	FREETMPS;	220	FREETMPS;
172	LEAVE;	221	LEAVE;
…		…
175		224
176	static void req_submit (eio_req *req)	225	static void req_submit (eio_req *req)
177	{	226	{
178	eio_submit (req);	227	eio_submit (req);
179		228
180	if (on_next_submit)	229	if (expect_false (on_next_submit))
181	{	230	{
182	dSP;	231	dSP;
183	SV *cb = sv_2mortal (on_next_submit);	232	SV *cb = sv_2mortal (on_next_submit);
184		233
185	on_next_submit = 0;	234	on_next_submit = 0;
…		…
195	dSP;	244	dSP;
196		245
197	if (req->flags & FLAG_SV2_RO_OFF)	246	if (req->flags & FLAG_SV2_RO_OFF)
198	SvREADONLY_off (req->sv2);	247	SvREADONLY_off (req->sv2);
199		248
200	if (!EIO_CANCELLED (req) && SvOK (req->callback))	249	if (!EIO_CANCELLED (req) && req->callback)
201	{	250	{
202	ENTER;	251	ENTER;
203	SAVETMPS;	252	SAVETMPS;
204	PUSHMARK (SP);	253	PUSHMARK (SP);
205	EXTEND (SP, 1);	254	EXTEND (SP, 1);
…		…
211	SV *rv = &PL_sv_undef;	260	SV *rv = &PL_sv_undef;
212		261
213	if (req->result >= 0)	262	if (req->result >= 0)
214	{	263	{
215	int i;	264	int i;
216	char *buf = req->ptr2;	265	char names = (char )req->ptr2;
		266	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
217	AV *av = newAV ();	267	AV *av = newAV ();
218		268
219	av_extend (av, req->result - 1);	269	av_extend (av, req->result - 1);
220		270
221	for (i = 0; i < req->result; ++i)	271	for (i = 0; i < req->result; ++i)
222	{	272	{
223	SV *sv = newSVpv (buf, 0);	273	if (req->int1 & EIO_READDIR_DENTS)
		274	{
		275	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224		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
225	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);
226	buf += SvCUR (sv) + 1;	305	names += SvCUR (name) + 1;
		306	}
227	}	307	}
228		308
229	rv = sv_2mortal (newRV_noinc ((SV *)av));	309	rv = sv_2mortal (newRV_noinc ((SV *)av));
230	}	310	}
231		311
232	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))));
233	}	316	}
234	break;	317	break;
235		318
236	case EIO_OPEN:	319	case EIO_OPEN:
237	{	320	{
…		…
243	GV gv = (GV )sv_newmortal ();	326	GV gv = (GV )sv_newmortal ();
244	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
245	char sym [64];	328	char sym [64];
246	int symlen;	329	int symlen;
247		330
248	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249	gv_init (gv, stash, sym, symlen, 0);	332	gv_init (gv, aio_stash, sym, symlen, 0);
250		333
251	symlen = snprintf (	334	symlen = snprintf (
252	sym,	335	sym,
253	sizeof (sym),	336	sizeof (sym),
254	"%s&=%d",	337	"%s&=%d",
255	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256	req->result	339	(int)req->result
257	);	340	);
258		341
259	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260	fh = (SV *)gv;	343	fh = (SV *)gv;
261	}	344	}
…		…
295	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
296	PUSHs (sv_2mortal (newSViv (req->result)));	379	PUSHs (sv_2mortal (newSViv (req->result)));
297	break;	380	break;
298		381
299	case EIO_READ:	382	case EIO_READ:
		383	{
300	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));
301	*SvEND (req->sv2) = 0;	385	*SvEND (req->sv2) = 0;
		386	SvPOK_only (req->sv2);
		387	SvSETMAGIC (req->sv2);
302	PUSHs (sv_2mortal (newSViv (req->result)));	388	PUSHs (sv_2mortal (newSViv (req->result)));
		389	}
303	break;	390	break;
304		391
305	case EIO_DUP2:	392	case EIO_DUP2:
306	if (req->result > 0)	393	if (req->result > 0)
307	req->result = 0;	394	req->result = 0;
…		…
353	grp->sv2 = 0;	440	grp->sv2 = 0;
354		441
355	eio_grp_cancel (grp);	442	eio_grp_cancel (grp);
356	}	443	}
357		444
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	445	static void
365	create_respipe (void)	446	create_respipe (void)
366	{	447	{
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))	448	if (s_epipe_renew (&respipe))
376	#endif
377	croak ("unable to initialize result pipe");	449	croak ("IO::AIO: 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	}	450	}
401		451
402	static void poll_wait (void)	452	static void poll_wait (void)
403	{	453	{
404	fd_set rfd;
405
406	while (eio_nreqs ())	454	while (eio_nreqs ())
407	{	455	{
408	int size;	456	int size;
409		457
410	X_LOCK (reslock);	458	X_LOCK (reslock);
…		…
412	X_UNLOCK (reslock);	460	X_UNLOCK (reslock);
413		461
414	if (size)	462	if (size)
415	return;	463	return;
416		464
417	maybe_start_thread ();	465	etp_maybe_start_thread ();
418		466
419	FD_ZERO (&rfd);	467	s_epipe_wait (&respipe);
420	FD_SET (respipe [0], &rfd);
421
422	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423	}	468	}
424	}	469	}
425		470
426	static int poll_cb (void)	471	static int poll_cb (void)
427	{	472	{
428	int res;	473	for (;;)
429
430	do
431	{	474	{
432	res = eio_poll ();	475	int res = eio_poll ();
433		476
434	if (res > 0)	477	if (res > 0)
435	croak (0);	478	croak (0);
		479
		480	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		481	return res;
		482
		483	poll_wait ();
436	}	484	}
437	while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439	return res;
440	}	485	}
441		486
442	static void atfork_child (void)	487	static void atfork_child (void)
443	{	488	{
444	create_respipe ();	489	create_respipe ();
445	}	490	}
446		491
		492	static SV *
		493	get_cb (SV *cb_sv)
		494	{
		495	SvGETMAGIC (cb_sv);
		496	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		497	}
		498
447	#define dREQ \	499	#define dREQ \
		500	SV *cb_cv; \
448	aio_req req; \	501	aio_req req; \
449	int req_pri = next_pri; \	502	int req_pri = next_pri; \
450	next_pri = EIO_PRI_DEFAULT; \	503	next_pri = EIO_PRI_DEFAULT; \
451	\	504	\
452	if (SvOK (callback) && !SvROK (callback)) \	505	cb_cv = get_cb (callback); \
453	croak ("callback must be undef or of reference type"); \
454	\	506	\
455	Newz (0, req, 1, eio_req); \	507	Newz (0, req, 1, eio_req); \
456	if (!req) \	508	if (!req) \
457	croak ("out of memory during eio_req allocation"); \	509	croak ("out of memory during eio_req allocation"); \
458	\	510	\
459	req->callback = newSVsv (callback); \	511	req->callback = SvREFCNT_inc (cb_cv); \
460	req->pri = req_pri	512	req->pri = req_pri
461		513
462	#define REQ_SEND \	514	#define REQ_SEND \
		515	PUTBACK; \
463	req_submit (req); \	516	req_submit (req); \
		517	SPAGAIN; \
464	\	518	\
465	if (GIMME_V != G_VOID) \	519	if (GIMME_V != G_VOID) \
466	XPUSHs (req_sv (req, AIO_REQ_KLASS));	520	XPUSHs (req_sv (req, aio_req_stash));
467		521
468	MODULE = IO::AIO PACKAGE = IO::AIO	522	MODULE = IO::AIO PACKAGE = IO::AIO
469		523
470	PROTOTYPES: ENABLE	524	PROTOTYPES: ENABLE
471		525
472	BOOT:	526	BOOT:
473	{	527	{
474	stash = gv_stashpv ("IO::AIO", 1);	528	static const struct {
475		529	const char *name;
476	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	530	IV iv;
477	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	531	} *civ, const_iv[] = {
478	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	532	# define const_iv(name, value) { # name, (IV) value },
479	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	533	# define const_eio(name) { # name, (IV) EIO_ ## name },
480	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)
481	#ifndef _WIN32	540	#ifndef _WIN32
482	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	541	const_iv (S_IFIFO , S_IFIFO)
483	#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)
484		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
485	create_respipe ();	583	create_respipe ();
486		584
487	if (eio_init (want_poll, done_poll) < 0)	585	if (eio_init (want_poll, done_poll) < 0)
488	croak ("IO::AIO: unable to initialise eio library");	586	croak ("IO::AIO: unable to initialise eio library");
489		587
490	/* atfork child called in fifo order, so before eio's handler */	588	/* atfork child called in fifo order, so before eio's handler */
491	X_THREAD_ATFORK (0, 0, atfork_child);	589	X_THREAD_ATFORK (0, 0, atfork_child);
492	}	590	}
493		591
494	void	592	void
495	max_poll_reqs (int nreqs)	593	max_poll_reqs (int nreqs)
496	PROTOTYPE: $	594	PROTOTYPE: $
…		…
549	ALIAS:	647	ALIAS:
550	aio_fsync = EIO_FSYNC	648	aio_fsync = EIO_FSYNC
551	aio_fdatasync = EIO_FDATASYNC	649	aio_fdatasync = EIO_FDATASYNC
552	PPCODE:	650	PPCODE:
553	{	651	{
		652	int fd = s_fileno_croak (fh, 0);
554	dREQ;	653	dREQ;
555		654
556	req->type = ix;	655	req->type = ix;
557	req->sv1 = newSVsv (fh);	656	req->sv1 = newSVsv (fh);
558	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: $$$$;$
		665	PPCODE:
		666	{
		667	int fd = s_fileno_croak (fh, 0);
		668	dREQ;
		669
		670	req->type = EIO_SYNC_FILE_RANGE;
		671	req->sv1 = newSVsv (fh);
		672	req->int1 = fd;
		673	req->offs = offset;
		674	req->size = nbytes;
		675	req->int2 = flags;
559		676
560	REQ_SEND (req);	677	REQ_SEND (req);
561	}	678	}
562		679
563	void	680	void
564	aio_close (SV fh, SV callback=&PL_sv_undef)	681	aio_close (SV fh, SV callback=&PL_sv_undef)
565	PROTOTYPE: $;$	682	PROTOTYPE: $;$
566	PPCODE:	683	PPCODE:
567	{	684	{
568	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		686	int fd = s_fileno_croak (fh, 0);
569	dREQ;	687	dREQ;
570		688
571	if (close_pipe < 0)	689	if (close_pipe < 0)
572	{	690	{
573	int pipefd [2];	691	int pipefd [2];
…		…
581	}	699	}
582		700
583	req->type = EIO_DUP2;	701	req->type = EIO_DUP2;
584	req->int1 = close_pipe;	702	req->int1 = close_pipe;
585	req->sv2 = newSVsv (fh);	703	req->sv2 = newSVsv (fh);
586	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	704	req->int2 = fd;
587		705
588	REQ_SEND (req);	706	REQ_SEND (req);
589	}	707	}
590		708
591	void	709	void
…		…
595	aio_write = EIO_WRITE	713	aio_write = EIO_WRITE
596	PROTOTYPE: $$$$$;$	714	PROTOTYPE: $$$$$;$
597	PPCODE:	715	PPCODE:
598	{	716	{
599	STRLEN svlen;	717	STRLEN svlen;
		718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600	char *svptr = SvPVbyte (data, svlen);	719	char *svptr = SvPVbyte (data, svlen);
601	UV len = SvUV (length);	720	UV len = SvUV (length);
602
603	SvUPGRADE (data, SVt_PV);
604	SvPOK_on (data);
605		721
606	if (dataoffset < 0)	722	if (dataoffset < 0)
607	dataoffset += svlen;	723	dataoffset += svlen;
608		724
609	if (dataoffset < 0 \|\| dataoffset > svlen)	725	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
615	if (!SvOK (length) \|\| len + dataoffset > svlen)	731	if (!SvOK (length) \|\| len + dataoffset > svlen)
616	len = svlen - dataoffset;	732	len = svlen - dataoffset;
617	}	733	}
618	else	734	else
619	{	735	{
620	/* read: grow scalar as necessary */	736	/* read: check type and grow scalar as necessary */
		737	SvUPGRADE (data, SVt_PV);
621	svptr = SvGROW (data, len + dataoffset + 1);	738	svptr = SvGROW (data, len + dataoffset + 1);
622	}	739	}
623
624	if (len < 0)
625	croak ("length must not be negative");
626		740
627	{	741	{
628	dREQ;	742	dREQ;
629		743
630	req->type = ix;	744	req->type = ix;
631	req->sv1 = newSVsv (fh);	745	req->sv1 = newSVsv (fh);
632	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	746	req->int1 = fd;
633	: IoOFP (sv_2io (fh)));
634	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	747	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635	req->size = len;	748	req->size = len;
636	req->sv2 = SvREFCNT_inc (data);	749	req->sv2 = SvREFCNT_inc (data);
637	req->ptr2 = (char *)svptr + dataoffset;	750	req->ptr2 = (char *)svptr + dataoffset;
638	req->stroffset = dataoffset;	751	req->stroffset = dataoffset;
…		…
661		774
662	REQ_SEND;	775	REQ_SEND;
663	}	776	}
664		777
665	void	778	void
666	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	779	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$$;$	780	PROTOTYPE: $$$$;$
668	PPCODE:	781	PPCODE:
669	{	782	{
		783	int ifd = s_fileno_croak (in_fh , 0);
		784	int ofd = s_fileno_croak (out_fh, 1);
670	dREQ;	785	dREQ;
671		786
672	req->type = EIO_SENDFILE;	787	req->type = EIO_SENDFILE;
673	req->sv1 = newSVsv (out_fh);	788	req->sv1 = newSVsv (out_fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	789	req->int1 = ofd;
675	req->sv2 = newSVsv (in_fh);	790	req->sv2 = newSVsv (in_fh);
676	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	791	req->int2 = ifd;
677	req->offs = SvVAL64 (in_offset);	792	req->offs = in_offset;
678	req->size = length;	793	req->size = length;
679		794
680	REQ_SEND;	795	REQ_SEND;
681	}	796	}
682		797
683	void	798	void
684	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	799	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
685	PROTOTYPE: $$$;$	800	PROTOTYPE: $$$;$
686	PPCODE:	801	PPCODE:
687	{	802	{
		803	int fd = s_fileno_croak (fh, 0);
688	dREQ;	804	dREQ;
689		805
690	req->type = EIO_READAHEAD;	806	req->type = EIO_READAHEAD;
691	req->sv1 = newSVsv (fh);	807	req->sv1 = newSVsv (fh);
692	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	808	req->int1 = fd;
693	req->offs = SvVAL64 (offset);	809	req->offs = offset;
694	req->size = length;	810	req->size = length;
695		811
696	REQ_SEND;	812	REQ_SEND;
697	}	813	}
698		814
…		…
814	req->type = EIO_FCHOWN;	930	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	931	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}	932	}
817		933
818	REQ_SEND;	934	REQ_SEND;
		935	}
		936
		937	void
		938	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		939	PPCODE:
		940	{
		941	dREQ;
		942
		943	req->type = EIO_READDIR;
		944	req->sv1 = newSVsv (pathname);
		945	req->ptr1 = SvPVbyte_nolen (req->sv1);
		946	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		947
		948	if (flags & EIO_READDIR_DENTS)
		949	req->int1 \|= EIO_READDIR_CUSTOM2;
		950
		951	REQ_SEND;
819	}	952	}
820		953
821	void	954	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	955	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	956	ALIAS:
…		…
868		1001
869	REQ_SEND;	1002	REQ_SEND;
870	}	1003	}
871		1004
872	void	1005	void
		1006	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1007	ALIAS:
		1008	aio_mtouch = EIO_MTOUCH
		1009	aio_msync = EIO_MSYNC
		1010	PROTOTYPE: $$$$;$
		1011	PPCODE:
		1012	{
		1013	STRLEN svlen;
		1014	UV len = SvUV (length);
		1015	char *svptr = SvPVbyte (data, svlen);
		1016
		1017	if (offset < 0)
		1018	offset += svlen;
		1019
		1020	if (offset < 0 \|\| offset > svlen)
		1021	croak ("offset outside of scalar");
		1022
		1023	if (!SvOK (length) \|\| len + offset > svlen)
		1024	len = svlen - offset;
		1025
		1026	{
		1027	dREQ;
		1028
		1029	req->type = ix;
		1030	req->size = len;
		1031	req->sv2 = SvREFCNT_inc (data);
		1032	req->ptr2 = (char *)svptr + offset;
		1033	req->int1 = flags;
		1034
		1035	REQ_SEND;
		1036	}
		1037	}
		1038
		1039	void
873	aio_busy (double delay, SV *callback=&PL_sv_undef)	1040	aio_busy (double delay, SV *callback=&PL_sv_undef)
874	PPCODE:	1041	PPCODE:
875	{	1042	{
876	dREQ;	1043	dREQ;
877		1044
…		…
888	{	1055	{
889	dREQ;	1056	dREQ;
890		1057
891	req->type = EIO_GROUP;	1058	req->type = EIO_GROUP;
892		1059
893	eio_submit (req);	1060	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1061	XPUSHs (req_sv (req, aio_grp_stash));
895	}	1062	}
896		1063
897	void	1064	void
898	aio_nop (SV *callback=&PL_sv_undef)	1065	aio_nop (SV *callback=&PL_sv_undef)
899	ALIAS:	1066	ALIAS:
…		…
951		1118
952	int	1119	int
953	poll_fileno()	1120	poll_fileno()
954	PROTOTYPE:	1121	PROTOTYPE:
955	CODE:	1122	CODE:
956	RETVAL = respipe [0];	1123	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1124	OUTPUT:
958	RETVAL	1125	RETVAL
959		1126
960	int	1127	int
961	poll_cb(...)	1128	poll_cb(...)
…		…
1001	CODE:	1168	CODE:
1002	RETVAL = eio_nthreads ();	1169	RETVAL = eio_nthreads ();
1003	OUTPUT:	1170	OUTPUT:
1004	RETVAL	1171	RETVAL
1005		1172
		1173	int
		1174	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1175	PROTOTYPE: $$$$
		1176	CODE:
		1177	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1178	RETVAL = posix_fadvise (fh, offset, length, advice);
		1179	#else
		1180	RETVAL = errno = ENOSYS;
		1181	#endif
		1182	OUTPUT:
		1183	RETVAL
		1184
		1185	ssize_t
		1186	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1187	PROTOTYPE: $$$$
		1188	CODE:
		1189	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1190	OUTPUT:
		1191	RETVAL
		1192
1006	void _on_next_submit (SV *cb)	1193	void _on_next_submit (SV *cb)
1007	CODE:	1194	CODE:
1008	SvREFCNT_dec (on_next_submit);	1195	SvREFCNT_dec (on_next_submit);
1009	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010		1197
…		…
1017	CODE:	1204	CODE:
1018	eio_cancel (req);	1205	eio_cancel (req);
1019		1206
1020	void	1207	void
1021	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1208	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022	CODE:	1209	PPCODE:
		1210	{
		1211	if (GIMME_V != G_VOID)
		1212	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1213
		1214	if (items > 1)
		1215	{
		1216	SV *cb_cv =get_cb (callback);
		1217
1023	SvREFCNT_dec (req->callback);	1218	SvREFCNT_dec (req->callback);
1024	req->callback = newSVsv (callback);	1219	req->callback = SvREFCNT_inc (cb_cv);
		1220	}
		1221	}
1025		1222
1026	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1223	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027		1224
1028	void	1225	void
1029	add (aio_req grp, ...)	1226	add (aio_req grp, ...)
…		…
1061	AV *av;	1258	AV *av;
1062		1259
1063	grp->errorno = errno;	1260	grp->errorno = errno;
1064		1261
1065	av = newAV ();	1262	av = newAV ();
		1263	av_extend (av, items - 1);
1066		1264
1067	for (i = 1; i < items; ++i )	1265	for (i = 1; i < items; ++i )
1068	av_push (av, newSVsv (ST (i)));	1266	av_push (av, newSVsv (ST (i)));
1069		1267
1070	SvREFCNT_dec (grp->sv1);	1268	SvREFCNT_dec (grp->sv1);
…		…
1084	void	1282	void
1085	feed (aio_req grp, SV *callback=&PL_sv_undef)	1283	feed (aio_req grp, SV *callback=&PL_sv_undef)
1086	CODE:	1284	CODE:
1087	{	1285	{
1088	SvREFCNT_dec (grp->sv2);	1286	SvREFCNT_dec (grp->sv2);
1089	grp->sv2 = newSVsv (callback);	1287	grp->sv2 = newSVsv (callback);
		1288	grp->feed = aio_grp_feed;
1090		1289
1091	if (grp->int2 <= 0)	1290	if (grp->int2 <= 0)
1092	grp->int2 = 2;	1291	grp->int2 = 2;
1093		1292
1094	eio_grp_limit (grp, grp->int2);	1293	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 1.158 by root, Sat Jan 2 14:11:32 2010 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 1.158 by root, Sat Jan 2 14:11:32 2010 UTC