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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 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_COMMON \	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; \
89	SV *self	114	SV *self;
		115
		116	#define EIO_NO_WRAPPERS 1
90		117
91	#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
92		144
93	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	148	#define EIO_DESTROY(req) req_destroy (req)
99		149
100	enum {	150	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
105		155
106	typedef eio_req *aio_req;	156	typedef eio_req *aio_req;
107	typedef eio_req *aio_req_ornot;	157	typedef eio_req *aio_req_ornot;
108		158
109	static SV *on_next_submit;	159	static SV *on_next_submit;
110	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	160	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	161	static int max_outstanding;
112		162
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	163	static s_epipe respipe;
114		164
115	static void req_destroy (aio_req req);	165	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	166	static void req_cancel (aio_req req);
117		167
118	static void want_poll (void)	168	static void want_poll (void)
119	{	169	{
120	/* write a dummy byte to the pipe so fh becomes ready */	170	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	171	s_epipe_signal (&respipe);
122	}	172	}
123		173
124	static void done_poll (void)	174	static void done_poll (void)
125	{	175	{
126	/* read any signals sent by the worker threads */	176	/* read any signals sent by the worker threads */
127	char buf [4];	177	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	178	}
131		179
132	/* must be called at most once */	180	/* must be called at most once */
133	static SV req_sv (aio_req req, const char klass)	181	static SV req_sv (aio_req req, HV stash)
134	{	182	{
135	if (!req->self)	183	if (!req->self)
136	{	184	{
137	req->self = (SV *)newHV ();	185	req->self = (SV *)newHV ();
138	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	186	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139	}	187	}
140		188
141	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142	}	190	}
143		191
144	static aio_req SvAIO_REQ (SV *sv)	192	static aio_req SvAIO_REQ (SV *sv)
145	{	193	{
146	MAGIC *mg;	194	MAGIC *mg;
147		195
148	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")))
149	croak ("object of class " AIO_REQ_KLASS " expected");	200	croak ("object of class IO::AIO::REQ expected");
150		201
151	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152		203
153	return mg ? (aio_req)mg->mg_ptr : 0;	204	return mg ? (aio_req)mg->mg_ptr : 0;
154	}	205	}
…		…
160	dSP;	211	dSP;
161		212
162	ENTER;	213	ENTER;
163	SAVETMPS;	214	SAVETMPS;
164	PUSHMARK (SP);	215	PUSHMARK (SP);
165	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	216	XPUSHs (req_sv (grp, aio_grp_stash));
166	PUTBACK;	217	PUTBACK;
167	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
168	SPAGAIN;	219	SPAGAIN;
169	FREETMPS;	220	FREETMPS;
170	LEAVE;	221	LEAVE;
…		…
173		224
174	static void req_submit (eio_req *req)	225	static void req_submit (eio_req *req)
175	{	226	{
176	eio_submit (req);	227	eio_submit (req);
177		228
178	if (on_next_submit)	229	if (expect_false (on_next_submit))
179	{	230	{
180	dSP;	231	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	232	SV *cb = sv_2mortal (on_next_submit);
182		233
183	on_next_submit = 0;	234	on_next_submit = 0;
…		…
193	dSP;	244	dSP;
194		245
195	if (req->flags & FLAG_SV2_RO_OFF)	246	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	247	SvREADONLY_off (req->sv2);
197		248
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	249	if (!EIO_CANCELLED (req) && req->callback)
199	{	250	{
200	ENTER;	251	ENTER;
201	SAVETMPS;	252	SAVETMPS;
202	PUSHMARK (SP);	253	PUSHMARK (SP);
203	EXTEND (SP, 1);	254	EXTEND (SP, 1);
…		…
209	SV *rv = &PL_sv_undef;	260	SV *rv = &PL_sv_undef;
210		261
211	if (req->result >= 0)	262	if (req->result >= 0)
212	{	263	{
213	int i;	264	int i;
214	char *buf = req->ptr2;	265	char names = (char )req->ptr2;
		266	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
215	AV *av = newAV ();	267	AV *av = newAV ();
216		268
217	av_extend (av, req->result - 1);	269	av_extend (av, req->result - 1);
218		270
219	for (i = 0; i < req->result; ++i)	271	for (i = 0; i < req->result; ++i)
220	{	272	{
221	SV *sv = newSVpv (buf, 0);	273	if (req->int1 & EIO_READDIR_DENTS)
		274	{
		275	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		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
223	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);
224	buf += SvCUR (sv) + 1;	305	names += SvCUR (name) + 1;
		306	}
225	}	307	}
226		308
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	309	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	310	}
229		311
230	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))));
231	}	316	}
232	break;	317	break;
233		318
234	case EIO_OPEN:	319	case EIO_OPEN:
235	{	320	{
…		…
241	GV gv = (GV )sv_newmortal ();	326	GV gv = (GV )sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
243	char sym [64];	328	char sym [64];
244	int symlen;	329	int symlen;
245		330
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	332	gv_init (gv, aio_stash, sym, symlen, 0);
248		333
249	symlen = snprintf (	334	symlen = snprintf (
250	sym,	335	sym,
251	sizeof (sym),	336	sizeof (sym),
252	"%s&=%d",	337	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	339	(int)req->result
255	);	340	);
256		341
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	343	fh = (SV *)gv;
259	}	344	}
…		…
280	case EIO_BUSY:	365	case EIO_BUSY:
281	break;	366	break;
282		367
283	case EIO_READLINK:	368	case EIO_READLINK:
284	if (req->result > 0)	369	if (req->result > 0)
285	{	370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286	SvCUR_set (req->sv2, req->result);
287	*SvEND (req->sv2) = 0;
288	PUSHs (req->sv2);
289	}
290	break;	371	break;
291		372
292	case EIO_STAT:	373	case EIO_STAT:
293	case EIO_LSTAT:	374	case EIO_LSTAT:
294	case EIO_FSTAT:	375	case EIO_FSTAT:
…		…
297	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
298	PUSHs (sv_2mortal (newSViv (req->result)));	379	PUSHs (sv_2mortal (newSViv (req->result)));
299	break;	380	break;
300		381
301	case EIO_READ:	382	case EIO_READ:
		383	{
302	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));
303	*SvEND (req->sv2) = 0;	385	*SvEND (req->sv2) = 0;
		386	SvPOK_only (req->sv2);
		387	SvSETMAGIC (req->sv2);
304	PUSHs (sv_2mortal (newSViv (req->result)));	388	PUSHs (sv_2mortal (newSViv (req->result)));
		389	}
305	break;	390	break;
306		391
307	case EIO_DUP2:	392	case EIO_DUP2:
308	if (req->result > 0)	393	if (req->result > 0)
309	req->result = 0;	394	req->result = 0;
…		…
355	grp->sv2 = 0;	440	grp->sv2 = 0;
356		441
357	eio_grp_cancel (grp);	442	eio_grp_cancel (grp);
358	}	443	}
359		444
360	#ifdef USE_SOCKETS_AS_HANDLES
361	# define TO_SOCKET(x) (win32_get_osfhandle (x))
362	#else
363	# define TO_SOCKET(x) (x)
364	#endif
365
366	static void	445	static void
367	create_respipe (void)	446	create_respipe (void)
368	{	447	{
369	int old_readfd = respipe [0];
370
371	if (respipe [1] >= 0)
372	respipe_close (TO_SOCKET (respipe [1]));
373
374	#ifdef _WIN32
375	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376	#else
377	if (pipe (respipe))	448	if (s_epipe_renew (&respipe))
378	#endif
379	croak ("unable to initialize result pipe");	449	croak ("IO::AIO: unable to initialize result pipe");
380
381	if (old_readfd >= 0)
382	{
383	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384	croak ("unable to initialize result pipe(2)");
385
386	respipe_close (respipe [0]);
387	respipe [0] = old_readfd;
388	}
389
390	#ifdef _WIN32
391	int arg = 1;
392	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394	#else
395	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397	#endif
398	croak ("unable to initialize result pipe(3)");
399
400	respipe_osf [0] = TO_SOCKET (respipe [0]);
401	respipe_osf [1] = TO_SOCKET (respipe [1]);
402	}	450	}
403		451
404	static void poll_wait (void)	452	static void poll_wait (void)
405	{	453	{
406	fd_set rfd;
407
408	while (eio_nreqs ())	454	while (eio_nreqs ())
409	{	455	{
410	int size;	456	int size;
411		457
412	X_LOCK (reslock);	458	X_LOCK (reslock);
…		…
414	X_UNLOCK (reslock);	460	X_UNLOCK (reslock);
415		461
416	if (size)	462	if (size)
417	return;	463	return;
418		464
419	maybe_start_thread ();	465	etp_maybe_start_thread ();
420		466
421	FD_ZERO (&rfd);	467	s_epipe_wait (&respipe);
422	FD_SET (respipe [0], &rfd);
423
424	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425	}	468	}
426	}	469	}
427		470
428	static int poll_cb (void)	471	static int poll_cb (void)
429	{	472	{
430	int res;	473	for (;;)
431
432	do
433	{	474	{
434	res = eio_poll ();	475	int res = eio_poll ();
435		476
436	if (res > 0)	477	if (res > 0)
437	croak (0);	478	croak (0);
		479
		480	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		481	return res;
		482
		483	poll_wait ();
438	}	484	}
439	while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441	return res;
442	}	485	}
443		486
444	static void atfork_child (void)	487	static void atfork_child (void)
445	{	488	{
446	create_respipe ();	489	create_respipe ();
447	}	490	}
448		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
449	#define dREQ \	499	#define dREQ \
		500	SV *cb_cv; \
450	aio_req req; \	501	aio_req req; \
451	int req_pri = next_pri; \	502	int req_pri = next_pri; \
452	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	503	next_pri = EIO_PRI_DEFAULT; \
453	\	504	\
454	if (SvOK (callback) && !SvROK (callback)) \	505	cb_cv = get_cb (callback); \
455	croak ("callback must be undef or of reference type"); \
456	\	506	\
457	Newz (0, req, 1, eio_req); \	507	Newz (0, req, 1, eio_req); \
458	if (!req) \	508	if (!req) \
459	croak ("out of memory during eio_req allocation"); \	509	croak ("out of memory during eio_req allocation"); \
460	\	510	\
461	req->callback = newSVsv (callback); \	511	req->callback = SvREFCNT_inc (cb_cv); \
462	req->pri = req_pri	512	req->pri = req_pri
463		513
464	#define REQ_SEND \	514	#define REQ_SEND \
		515	PUTBACK; \
465	req_submit (req); \	516	req_submit (req); \
		517	SPAGAIN; \
466	\	518	\
467	if (GIMME_V != G_VOID) \	519	if (GIMME_V != G_VOID) \
468	XPUSHs (req_sv (req, AIO_REQ_KLASS));	520	XPUSHs (req_sv (req, aio_req_stash));
469		521
470	MODULE = IO::AIO PACKAGE = IO::AIO	522	MODULE = IO::AIO PACKAGE = IO::AIO
471		523
472	PROTOTYPES: ENABLE	524	PROTOTYPES: ENABLE
473		525
474	BOOT:	526	BOOT:
475	{	527	{
476	stash = gv_stashpv ("IO::AIO", 1);	528	static const struct {
477		529	const char *name;
478	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	530	IV iv;
479	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	531	} *civ, const_iv[] = {
480	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	532	# define const_iv(name, value) { # name, (IV) value },
481	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	533	# define const_eio(name) { # name, (IV) EIO_ ## name },
482	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)
483	#ifdef _WIN32	540	#ifndef _WIN32
484	X_MUTEX_CHECK (wrklock);	541	const_iv (S_IFIFO , S_IFIFO)
485	X_MUTEX_CHECK (reslock);
486	X_MUTEX_CHECK (reqlock);
487	X_MUTEX_CHECK (reqwait);
488	X_MUTEX_CHECK (preadwritelock);
489	X_MUTEX_CHECK (readdirlock);
490
491	X_COND_CHECK (reqwait);
492	#else
493	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
494	#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)
495		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
496	create_respipe ();	583	create_respipe ();
497		584
498	if (eio_init (want_poll, done_poll) < 0)	585	if (eio_init (want_poll, done_poll) < 0)
499	croak ("IO::AIO: unable to initialise eio library");	586	croak ("IO::AIO: unable to initialise eio library");
500		587
501	/* atfork child called in fifo order, so before eio's handler */	588	/* atfork child called in fifo order, so before eio's handler */
502	X_THREAD_ATFORK (0, 0, atfork_child);	589	X_THREAD_ATFORK (0, 0, atfork_child);
503	}	590	}
504		591
505	void	592	void
506	max_poll_reqs (int nreqs)	593	max_poll_reqs (int nreqs)
507	PROTOTYPE: $	594	PROTOTYPE: $
…		…
560	ALIAS:	647	ALIAS:
561	aio_fsync = EIO_FSYNC	648	aio_fsync = EIO_FSYNC
562	aio_fdatasync = EIO_FDATASYNC	649	aio_fdatasync = EIO_FDATASYNC
563	PPCODE:	650	PPCODE:
564	{	651	{
		652	int fd = s_fileno_croak (fh, 0);
565	dREQ;	653	dREQ;
566		654
567	req->type = ix;	655	req->type = ix;
568	req->sv1 = newSVsv (fh);	656	req->sv1 = newSVsv (fh);
569	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: $$$$;$
		665	PPCODE:
		666	{
		667	int fd = s_fileno_croak (fh, 0);
		668	dREQ;
		669
		670	req->type = EIO_SYNC_FILE_RANGE;
		671	req->sv1 = newSVsv (fh);
		672	req->int1 = fd;
		673	req->offs = offset;
		674	req->size = nbytes;
		675	req->int2 = flags;
570		676
571	REQ_SEND (req);	677	REQ_SEND (req);
572	}	678	}
573		679
574	void	680	void
575	aio_close (SV fh, SV callback=&PL_sv_undef)	681	aio_close (SV fh, SV callback=&PL_sv_undef)
576	PROTOTYPE: $;$	682	PROTOTYPE: $;$
577	PPCODE:	683	PPCODE:
578	{	684	{
579	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		686	int fd = s_fileno_croak (fh, 0);
580	dREQ;	687	dREQ;
581		688
582	if (close_pipe < 0)	689	if (close_pipe < 0)
583	{	690	{
584	int pipefd [2];	691	int pipefd [2];
…		…
592	}	699	}
593		700
594	req->type = EIO_DUP2;	701	req->type = EIO_DUP2;
595	req->int1 = close_pipe;	702	req->int1 = close_pipe;
596	req->sv2 = newSVsv (fh);	703	req->sv2 = newSVsv (fh);
597	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	704	req->int2 = fd;
598		705
599	REQ_SEND (req);	706	REQ_SEND (req);
600	}	707	}
601		708
602	void	709	void
…		…
606	aio_write = EIO_WRITE	713	aio_write = EIO_WRITE
607	PROTOTYPE: $$$$$;$	714	PROTOTYPE: $$$$$;$
608	PPCODE:	715	PPCODE:
609	{	716	{
610	STRLEN svlen;	717	STRLEN svlen;
		718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611	char *svptr = SvPVbyte (data, svlen);	719	char *svptr = SvPVbyte (data, svlen);
612	UV len = SvUV (length);	720	UV len = SvUV (length);
613
614	SvUPGRADE (data, SVt_PV);
615	SvPOK_on (data);
616		721
617	if (dataoffset < 0)	722	if (dataoffset < 0)
618	dataoffset += svlen;	723	dataoffset += svlen;
619		724
620	if (dataoffset < 0 \|\| dataoffset > svlen)	725	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
626	if (!SvOK (length) \|\| len + dataoffset > svlen)	731	if (!SvOK (length) \|\| len + dataoffset > svlen)
627	len = svlen - dataoffset;	732	len = svlen - dataoffset;
628	}	733	}
629	else	734	else
630	{	735	{
631	/* read: grow scalar as necessary */	736	/* read: check type and grow scalar as necessary */
		737	SvUPGRADE (data, SVt_PV);
632	svptr = SvGROW (data, len + dataoffset + 1);	738	svptr = SvGROW (data, len + dataoffset + 1);
633	}	739	}
634
635	if (len < 0)
636	croak ("length must not be negative");
637		740
638	{	741	{
639	dREQ;	742	dREQ;
640		743
641	req->type = ix;	744	req->type = ix;
642	req->sv1 = newSVsv (fh);	745	req->sv1 = newSVsv (fh);
643	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	746	req->int1 = fd;
644	: IoOFP (sv_2io (fh)));
645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	747	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646	req->size = len;	748	req->size = len;
647	req->sv2 = SvREFCNT_inc (data);	749	req->sv2 = SvREFCNT_inc (data);
648	req->ptr2 = (char *)svptr + dataoffset;	750	req->ptr2 = (char *)svptr + dataoffset;
649	req->stroffset = dataoffset;	751	req->stroffset = dataoffset;
…		…
664	PPCODE:	766	PPCODE:
665	{	767	{
666	SV *data;	768	SV *data;
667	dREQ;	769	dREQ;
668		770
669	data = newSV (NAME_MAX);
670	SvPOK_on (data);
671
672	req->type = EIO_READLINK;	771	req->type = EIO_READLINK;
673	req->sv1 = newSVsv (path);	772	req->sv1 = newSVsv (path);
674	req->ptr1 = SvPVbyte_nolen (req->sv1);	773	req->ptr1 = SvPVbyte_nolen (req->sv1);
675	req->sv2 = data;
676	req->ptr2 = SvPVbyte_nolen (data);
677		774
678	REQ_SEND;	775	REQ_SEND;
679	}	776	}
680		777
681	void	778	void
682	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)
683	PROTOTYPE: $$$$;$	780	PROTOTYPE: $$$$;$
684	PPCODE:	781	PPCODE:
685	{	782	{
		783	int ifd = s_fileno_croak (in_fh , 0);
		784	int ofd = s_fileno_croak (out_fh, 1);
686	dREQ;	785	dREQ;
687		786
688	req->type = EIO_SENDFILE;	787	req->type = EIO_SENDFILE;
689	req->sv1 = newSVsv (out_fh);	788	req->sv1 = newSVsv (out_fh);
690	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	789	req->int1 = ofd;
691	req->sv2 = newSVsv (in_fh);	790	req->sv2 = newSVsv (in_fh);
692	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	791	req->int2 = ifd;
693	req->offs = SvVAL64 (in_offset);	792	req->offs = in_offset;
694	req->size = length;	793	req->size = length;
695		794
696	REQ_SEND;	795	REQ_SEND;
697	}	796	}
698		797
699	void	798	void
700	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	799	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
701	PROTOTYPE: $$$;$	800	PROTOTYPE: $$$;$
702	PPCODE:	801	PPCODE:
703	{	802	{
		803	int fd = s_fileno_croak (fh, 0);
704	dREQ;	804	dREQ;
705		805
706	req->type = EIO_READAHEAD;	806	req->type = EIO_READAHEAD;
707	req->sv1 = newSVsv (fh);	807	req->sv1 = newSVsv (fh);
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	808	req->int1 = fd;
709	req->offs = SvVAL64 (offset);	809	req->offs = offset;
710	req->size = length;	810	req->size = length;
711		811
712	REQ_SEND;	812	REQ_SEND;
713	}	813	}
714		814
…		…
719	aio_lstat = EIO_LSTAT	819	aio_lstat = EIO_LSTAT
720	PPCODE:	820	PPCODE:
721	{	821	{
722	dREQ;	822	dREQ;
723		823
724	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
725	if (!req->ptr2)
726	{
727	req_destroy (req);
728	croak ("out of memory during aio_stat statdata allocation");
729	}
730
731	req->flags \|= EIO_FLAG_PTR2_FREE;
732	req->sv1 = newSVsv (fh_or_path);	824	req->sv1 = newSVsv (fh_or_path);
733		825
734	if (SvPOK (fh_or_path))	826	if (SvPOK (req->sv1))
735	{	827	{
736	req->type = ix;	828	req->type = ix;
737	req->ptr1 = SvPVbyte_nolen (req->sv1);	829	req->ptr1 = SvPVbyte_nolen (req->sv1);
738	}	830	}
739	else	831	else
…		…
753		845
754	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	846	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	847	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756	req->sv1 = newSVsv (fh_or_path);	848	req->sv1 = newSVsv (fh_or_path);
757		849
758	if (SvPOK (fh_or_path))	850	if (SvPOK (req->sv1))
759	{	851	{
760	req->type = EIO_UTIME;	852	req->type = EIO_UTIME;
761	req->ptr1 = SvPVbyte_nolen (req->sv1);	853	req->ptr1 = SvPVbyte_nolen (req->sv1);
762	}	854	}
763	else	855	else
…		…
776	dREQ;	868	dREQ;
777		869
778	req->sv1 = newSVsv (fh_or_path);	870	req->sv1 = newSVsv (fh_or_path);
779	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	871	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780		872
781	if (SvPOK (fh_or_path))	873	if (SvPOK (req->sv1))
782	{	874	{
783	req->type = EIO_TRUNCATE;	875	req->type = EIO_TRUNCATE;
784	req->ptr1 = SvPVbyte_nolen (req->sv1);	876	req->ptr1 = SvPVbyte_nolen (req->sv1);
785	}	877	}
786	else	878	else
…		…
794		886
795	void	887	void
796	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	888	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
797	ALIAS:	889	ALIAS:
798	aio_chmod = EIO_CHMOD	890	aio_chmod = EIO_CHMOD
799	aio_fchmod = EIO_FCHMOD
800	aio_mkdir = EIO_MKDIR	891	aio_mkdir = EIO_MKDIR
801	PPCODE:	892	PPCODE:
802	{	893	{
803	dREQ;	894	dREQ;
804		895
805	req->type = ix;
806	req->int2 = mode;	896	req->int2 = mode;
807	req->sv1 = newSVsv (fh_or_path);	897	req->sv1 = newSVsv (fh_or_path);
808		898
809	if (ix == EIO_FCHMOD)	899	if (SvPOK (req->sv1))
810	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	900	{
		901	req->type = ix;
		902	req->ptr1 = SvPVbyte_nolen (req->sv1);
		903	}
811	else	904	else
812	req->ptr1 = SvPVbyte_nolen (req->sv1);	905	{
		906	req->type = EIO_FCHMOD;
		907	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		908	}
813		909
814	REQ_SEND;	910	REQ_SEND;
815	}	911	}
816		912
817	void	913	void
…		…
822		918
823	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	919	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	920	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825	req->sv1 = newSVsv (fh_or_path);	921	req->sv1 = newSVsv (fh_or_path);
826		922
827	if (SvPOK (fh_or_path))	923	if (SvPOK (req->sv1))
828	{	924	{
829	req->type = EIO_CHOWN;	925	req->type = EIO_CHOWN;
830	req->ptr1 = SvPVbyte_nolen (req->sv1);	926	req->ptr1 = SvPVbyte_nolen (req->sv1);
831	}	927	}
832	else	928	else
…		…
834	req->type = EIO_FCHOWN;	930	req->type = EIO_FCHOWN;
835	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	931	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
836	}	932	}
837		933
838	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;
839	}	952	}
840		953
841	void	954	void
842	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	955	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
843	ALIAS:	956	ALIAS:
…		…
888		1001
889	REQ_SEND;	1002	REQ_SEND;
890	}	1003	}
891		1004
892	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
893	aio_busy (double delay, SV *callback=&PL_sv_undef)	1040	aio_busy (double delay, SV *callback=&PL_sv_undef)
894	PPCODE:	1041	PPCODE:
895	{	1042	{
896	dREQ;	1043	dREQ;
897		1044
…		…
908	{	1055	{
909	dREQ;	1056	dREQ;
910		1057
911	req->type = EIO_GROUP;	1058	req->type = EIO_GROUP;
912		1059
913	eio_submit (req);	1060	req_submit (req);
914	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1061	XPUSHs (req_sv (req, aio_grp_stash));
915	}	1062	}
916		1063
917	void	1064	void
918	aio_nop (SV *callback=&PL_sv_undef)	1065	aio_nop (SV *callback=&PL_sv_undef)
919	ALIAS:	1066	ALIAS:
…		…
930		1077
931	int	1078	int
932	aioreq_pri (int pri = 0)	1079	aioreq_pri (int pri = 0)
933	PROTOTYPE: ;$	1080	PROTOTYPE: ;$
934	CODE:	1081	CODE:
935	RETVAL = next_pri - EIO_PRI_BIAS;	1082	RETVAL = next_pri;
936	if (items > 0)	1083	if (items > 0)
937	{	1084	{
938	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1085	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1086	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940	next_pri = pri + EIO_PRI_BIAS;	1087	next_pri = pri;
941	}	1088	}
942	OUTPUT:	1089	OUTPUT:
943	RETVAL	1090	RETVAL
944		1091
945	void	1092	void
946	aioreq_nice (int nice = 0)	1093	aioreq_nice (int nice = 0)
947	CODE:	1094	CODE:
948	nice = next_pri - nice;	1095	nice = next_pri - nice;
949	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1096	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1097	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951	next_pri = nice + EIO_PRI_BIAS;	1098	next_pri = nice;
952		1099
953	void	1100	void
954	flush ()	1101	flush ()
955	PROTOTYPE:	1102	PROTOTYPE:
956	CODE:	1103	CODE:
…		…
971		1118
972	int	1119	int
973	poll_fileno()	1120	poll_fileno()
974	PROTOTYPE:	1121	PROTOTYPE:
975	CODE:	1122	CODE:
976	RETVAL = respipe [0];	1123	RETVAL = s_epipe_fd (&respipe);
977	OUTPUT:	1124	OUTPUT:
978	RETVAL	1125	RETVAL
979		1126
980	int	1127	int
981	poll_cb(...)	1128	poll_cb(...)
…		…
1017		1164
1018	int	1165	int
1019	nthreads()	1166	nthreads()
1020	PROTOTYPE:	1167	PROTOTYPE:
1021	CODE:	1168	CODE:
1022	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1169	RETVAL = eio_nthreads ();
1023	RETVAL = started;
1024	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025	OUTPUT:	1170	OUTPUT:
1026	RETVAL	1171	RETVAL
1027		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
1028	void _on_next_submit (SV *cb)	1193	void _on_next_submit (SV *cb)
1029	CODE:	1194	CODE:
1030	SvREFCNT_dec (on_next_submit);	1195	SvREFCNT_dec (on_next_submit);
1031	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1032		1197
…		…
1039	CODE:	1204	CODE:
1040	eio_cancel (req);	1205	eio_cancel (req);
1041		1206
1042	void	1207	void
1043	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1208	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1044	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
1045	SvREFCNT_dec (req->callback);	1218	SvREFCNT_dec (req->callback);
1046	req->callback = newSVsv (callback);	1219	req->callback = SvREFCNT_inc (cb_cv);
		1220	}
		1221	}
1047		1222
1048	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1223	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049		1224
1050	void	1225	void
1051	add (aio_req grp, ...)	1226	add (aio_req grp, ...)
…		…
1083	AV *av;	1258	AV *av;
1084		1259
1085	grp->errorno = errno;	1260	grp->errorno = errno;
1086		1261
1087	av = newAV ();	1262	av = newAV ();
		1263	av_extend (av, items - 1);
1088		1264
1089	for (i = 1; i < items; ++i )	1265	for (i = 1; i < items; ++i )
1090	av_push (av, newSVsv (ST (i)));	1266	av_push (av, newSVsv (ST (i)));
1091		1267
1092	SvREFCNT_dec (grp->sv1);	1268	SvREFCNT_dec (grp->sv1);
…		…
1106	void	1282	void
1107	feed (aio_req grp, SV *callback=&PL_sv_undef)	1283	feed (aio_req grp, SV *callback=&PL_sv_undef)
1108	CODE:	1284	CODE:
1109	{	1285	{
1110	SvREFCNT_dec (grp->sv2);	1286	SvREFCNT_dec (grp->sv2);
1111	grp->sv2 = newSVsv (callback);	1287	grp->sv2 = newSVsv (callback);
		1288	grp->feed = aio_grp_feed;
1112		1289
1113	if (grp->int2 <= 0)	1290	if (grp->int2 <= 0)
1114	grp->int2 = 2;	1291	grp->int2 = 2;
1115		1292
1116	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 1.118 by root, Sun May 11 00:01:03 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 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC