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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.157 by root, Sat Jan 2 12:58:37 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>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
		19
		20	/* perl namespace pollution */
		21	#undef VERSION
17		22
18	#ifdef _WIN32	23	#ifdef _WIN32
19		24
20	# define EIO_STRUCT_DIRENT Direntry_t	25	# define EIO_STRUCT_DIRENT Direntry_t
21	# undef malloc	26	# undef malloc
…		…
62	# include <signal.h>	67	# include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent	68	# define EIO_STRUCT_DIRENT struct dirent
64		69
65	#endif	70	#endif
66		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
67	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
68		79
69	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	81	#if IVSIZE >= 8
		82	# define VAL64 IV
71	# define SvVAL64 SvIV	83	# define SvVAL64 SvIV
		84	# define newSVval64 newSViv
72	#else	85	#else
		86	# define VAL64 NV
73	# define SvVAL64 SvNV	87	# define SvVAL64 SvNV
		88	# define newSVval64 newSVnv
74	#endif	89	#endif
75		90
76	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
77	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 */
78		107
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	108	static HV aio_stash, aio_req_stash, *aio_grp_stash;
80	#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 */
…		…
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
106	static SV *on_next_submit;	159	static SV *on_next_submit;
107	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	160	static int next_pri = EIO_PRI_DEFAULT;
108	static int max_outstanding;	161	static int max_outstanding;
109		162
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	163	static s_epipe respipe;
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);
114		167
115	static void want_poll (void)	168	static void want_poll (void)
116	{	169	{
117	/* write a dummy byte to the pipe so fh becomes ready */	170	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	171	s_epipe_signal (&respipe);
119	}	172	}
120		173
121	static void done_poll (void)	174	static void done_poll (void)
122	{	175	{
123	/* read any signals sent by the worker threads */	176	/* read any signals sent by the worker threads */
124	char buf [4];	177	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	178	}
128		179
129	/* must be called at most once */	180	/* must be called at most once */
130	static SV req_sv (aio_req req, const char klass)	181	static SV req_sv (aio_req req, HV stash)
131	{	182	{
132	if (!req->self)	183	if (!req->self)
133	{	184	{
134	req->self = (SV *)newHV ();	185	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	186	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	187	}
137		188
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139	}	190	}
140		191
141	static aio_req SvAIO_REQ (SV *sv)	192	static aio_req SvAIO_REQ (SV *sv)
142	{	193	{
143	MAGIC *mg;	194	MAGIC *mg;
144		195
145	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")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	200	croak ("object of class IO::AIO::REQ expected");
147		201
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		203
150	return mg ? (aio_req)mg->mg_ptr : 0;	204	return mg ? (aio_req)mg->mg_ptr : 0;
151	}	205	}
…		…
157	dSP;	211	dSP;
158		212
159	ENTER;	213	ENTER;
160	SAVETMPS;	214	SAVETMPS;
161	PUSHMARK (SP);	215	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	216	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	217	PUTBACK;
164	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
165	SPAGAIN;	219	SPAGAIN;
166	FREETMPS;	220	FREETMPS;
167	LEAVE;	221	LEAVE;
…		…
170		224
171	static void req_submit (eio_req *req)	225	static void req_submit (eio_req *req)
172	{	226	{
173	eio_submit (req);	227	eio_submit (req);
174		228
175	if (on_next_submit)	229	if (expect_false (on_next_submit))
176	{	230	{
177	dSP;	231	dSP;
178	SV *cb = sv_2mortal (on_next_submit);	232	SV *cb = sv_2mortal (on_next_submit);
179		233
180	on_next_submit = 0;	234	on_next_submit = 0;
…		…
190	dSP;	244	dSP;
191		245
192	if (req->flags & FLAG_SV2_RO_OFF)	246	if (req->flags & FLAG_SV2_RO_OFF)
193	SvREADONLY_off (req->sv2);	247	SvREADONLY_off (req->sv2);
194		248
195	if (!EIO_CANCELLED (req) && SvOK (req->callback))	249	if (!EIO_CANCELLED (req) && req->callback)
196	{	250	{
197	ENTER;	251	ENTER;
198	SAVETMPS;	252	SAVETMPS;
199	PUSHMARK (SP);	253	PUSHMARK (SP);
200	EXTEND (SP, 1);	254	EXTEND (SP, 1);
…		…
206	SV *rv = &PL_sv_undef;	260	SV *rv = &PL_sv_undef;
207		261
208	if (req->result >= 0)	262	if (req->result >= 0)
209	{	263	{
210	int i;	264	int i;
211	char *buf = req->ptr2;	265	char names = (char )req->ptr2;
		266	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
212	AV *av = newAV ();	267	AV *av = newAV ();
213		268
214	av_extend (av, req->result - 1);	269	av_extend (av, req->result - 1);
215		270
216	for (i = 0; i < req->result; ++i)	271	for (i = 0; i < req->result; ++i)
217	{	272	{
218	SV *sv = newSVpv (buf, 0);	273	if (req->int1 & EIO_READDIR_DENTS)
		274	{
		275	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219		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
220	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);
221	buf += SvCUR (sv) + 1;	305	names += SvCUR (name) + 1;
		306	}
222	}	307	}
223		308
224	rv = sv_2mortal (newRV_noinc ((SV *)av));	309	rv = sv_2mortal (newRV_noinc ((SV *)av));
225	}	310	}
226		311
227	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))));
228	}	316	}
229	break;	317	break;
230		318
231	case EIO_OPEN:	319	case EIO_OPEN:
232	{	320	{
…		…
238	GV gv = (GV )sv_newmortal ();	326	GV gv = (GV )sv_newmortal ();
239	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
240	char sym [64];	328	char sym [64];
241	int symlen;	329	int symlen;
242		330
243	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
244	gv_init (gv, stash, sym, symlen, 0);	332	gv_init (gv, aio_stash, sym, symlen, 0);
245		333
246	symlen = snprintf (	334	symlen = snprintf (
247	sym,	335	sym,
248	sizeof (sym),	336	sizeof (sym),
249	"%s&=%d",	337	"%s&=%d",
250	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251	req->result	339	(int)req->result
252	);	340	);
253		341
254	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
255	fh = (SV *)gv;	343	fh = (SV *)gv;
256	}	344	}
…		…
277	case EIO_BUSY:	365	case EIO_BUSY:
278	break;	366	break;
279		367
280	case EIO_READLINK:	368	case EIO_READLINK:
281	if (req->result > 0)	369	if (req->result > 0)
282	{	370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283	SvCUR_set (req->sv2, req->result);
284	*SvEND (req->sv2) = 0;
285	PUSHs (req->sv2);
286	}
287	break;	371	break;
288		372
289	case EIO_STAT:	373	case EIO_STAT:
290	case EIO_LSTAT:	374	case EIO_LSTAT:
291	case EIO_FSTAT:	375	case EIO_FSTAT:
…		…
294	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
295	PUSHs (sv_2mortal (newSViv (req->result)));	379	PUSHs (sv_2mortal (newSViv (req->result)));
296	break;	380	break;
297		381
298	case EIO_READ:	382	case EIO_READ:
		383	{
299	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));
300	*SvEND (req->sv2) = 0;	385	*SvEND (req->sv2) = 0;
		386	SvPOK_only (req->sv2);
		387	SvSETMAGIC (req->sv2);
301	PUSHs (sv_2mortal (newSViv (req->result)));	388	PUSHs (sv_2mortal (newSViv (req->result)));
		389	}
302	break;	390	break;
303		391
304	case EIO_DUP2:	392	case EIO_DUP2:
305	if (req->result > 0)	393	if (req->result > 0)
306	req->result = 0;	394	req->result = 0;
…		…
352	grp->sv2 = 0;	440	grp->sv2 = 0;
353		441
354	eio_grp_cancel (grp);	442	eio_grp_cancel (grp);
355	}	443	}
356		444
357	#ifdef USE_SOCKETS_AS_HANDLES
358	# define TO_SOCKET(x) (win32_get_osfhandle (x))
359	#else
360	# define TO_SOCKET(x) (x)
361	#endif
362
363	static void	445	static void
364	create_respipe (void)	446	create_respipe (void)
365	{	447	{
366	int old_readfd = respipe [0];
367
368	if (respipe [1] >= 0)
369	respipe_close (TO_SOCKET (respipe [1]));
370
371	#ifdef _WIN32
372	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373	#else
374	if (pipe (respipe))	448	if (s_epipe_renew (&respipe))
375	#endif
376	croak ("unable to initialize result pipe");	449	croak ("IO::AIO: unable to initialize result pipe");
377
378	if (old_readfd >= 0)
379	{
380	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381	croak ("unable to initialize result pipe(2)");
382
383	respipe_close (respipe [0]);
384	respipe [0] = old_readfd;
385	}
386
387	#ifdef _WIN32
388	int arg = 1;
389	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391	#else
392	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394	#endif
395	croak ("unable to initialize result pipe(3)");
396
397	respipe_osf [0] = TO_SOCKET (respipe [0]);
398	respipe_osf [1] = TO_SOCKET (respipe [1]);
399	}	450	}
400		451
401	static void poll_wait (void)	452	static void poll_wait (void)
402	{	453	{
403	fd_set rfd;
404
405	while (eio_nreqs ())	454	while (eio_nreqs ())
406	{	455	{
407	int size;	456	int size;
408		457
409	X_LOCK (reslock);	458	X_LOCK (reslock);
…		…
411	X_UNLOCK (reslock);	460	X_UNLOCK (reslock);
412		461
413	if (size)	462	if (size)
414	return;	463	return;
415		464
416	maybe_start_thread ();	465	etp_maybe_start_thread ();
417		466
418	FD_ZERO (&rfd);	467	s_epipe_wait (&respipe);
419	FD_SET (respipe [0], &rfd);
420
421	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422	}	468	}
423	}	469	}
424		470
425	static int poll_cb (void)	471	static int poll_cb (void)
426	{	472	{
427	int res;	473	for (;;)
428
429	do
430	{	474	{
431	res = eio_poll ();	475	int res = eio_poll ();
432		476
433	if (res > 0)	477	if (res > 0)
434	croak (0);	478	croak (0);
		479
		480	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		481	return res;
		482
		483	poll_wait ();
435	}	484	}
436	while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438	return res;
439	}	485	}
440		486
441	static void atfork_child (void)	487	static void atfork_child (void)
442	{	488	{
443	create_respipe ();	489	create_respipe ();
444	}	490	}
445		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
446	#define dREQ \	499	#define dREQ \
		500	SV *cb_cv; \
447	aio_req req; \	501	aio_req req; \
448	int req_pri = next_pri; \	502	int req_pri = next_pri; \
449	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	503	next_pri = EIO_PRI_DEFAULT; \
450	\	504	\
451	if (SvOK (callback) && !SvROK (callback)) \	505	cb_cv = get_cb (callback); \
452	croak ("callback must be undef or of reference type"); \
453	\	506	\
454	Newz (0, req, 1, eio_req); \	507	Newz (0, req, 1, eio_req); \
455	if (!req) \	508	if (!req) \
456	croak ("out of memory during eio_req allocation"); \	509	croak ("out of memory during eio_req allocation"); \
457	\	510	\
458	req->callback = newSVsv (callback); \	511	req->callback = SvREFCNT_inc (cb_cv); \
459	req->pri = req_pri	512	req->pri = req_pri
460		513
461	#define REQ_SEND \	514	#define REQ_SEND \
		515	PUTBACK; \
462	req_submit (req); \	516	req_submit (req); \
		517	SPAGAIN; \
463	\	518	\
464	if (GIMME_V != G_VOID) \	519	if (GIMME_V != G_VOID) \
465	XPUSHs (req_sv (req, AIO_REQ_KLASS));	520	XPUSHs (req_sv (req, aio_req_stash));
466		521
467	MODULE = IO::AIO PACKAGE = IO::AIO	522	MODULE = IO::AIO PACKAGE = IO::AIO
468		523
469	PROTOTYPES: ENABLE	524	PROTOTYPES: ENABLE
470		525
471	BOOT:	526	BOOT:
472	{	527	{
473	stash = gv_stashpv ("IO::AIO", 1);	528	static const struct {
474		529	const char *name;
475	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	530	IV iv;
476	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	531	} *civ, const_iv[] = {
477	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	532	# define const_iv(name, value) { # name, (IV) value },
478	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	533	# define const_eio(name) { # name, (IV) EIO_ ## name },
479	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)
480	#ifdef _WIN32	540	#ifndef _WIN32
481	X_MUTEX_CHECK (wrklock);	541	const_iv (S_IFIFO , S_IFIFO)
482	X_MUTEX_CHECK (reslock);
483	X_MUTEX_CHECK (reqlock);
484	X_MUTEX_CHECK (reqwait);
485	X_MUTEX_CHECK (preadwritelock);
486	X_MUTEX_CHECK (readdirlock);
487
488	X_COND_CHECK (reqwait);
489	#else
490	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
491	#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)
492		549
		550	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		551	const_eio (SYNC_FILE_RANGE_WRITE)
		552	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		553
		554	const_eio (READDIR_DENTS)
		555	const_eio (READDIR_DIRS_FIRST)
		556	const_eio (READDIR_STAT_ORDER)
		557	const_eio (READDIR_FOUND_UNKNOWN)
		558
		559	const_eio (DT_UNKNOWN)
		560	const_eio (DT_FIFO)
		561	const_eio (DT_CHR)
		562	const_eio (DT_DIR)
		563	const_eio (DT_BLK)
		564	const_eio (DT_REG)
		565	const_eio (DT_LNK)
		566	const_eio (DT_SOCK)
		567	const_eio (DT_WHT)
		568	};
		569
		570	aio_stash = gv_stashpv ("IO::AIO" , 1);
		571	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		572	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		573
		574	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		575	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		576
493	create_respipe ();	577	create_respipe ();
494		578
495	if (eio_init (want_poll, done_poll) < 0)	579	if (eio_init (want_poll, done_poll) < 0)
496	croak ("IO::AIO: unable to initialise eio library");	580	croak ("IO::AIO: unable to initialise eio library");
497		581
498	/* atfork child called in fifo order, so before eio's handler */	582	/* atfork child called in fifo order, so before eio's handler */
499	X_THREAD_ATFORK (0, 0, atfork_child);	583	X_THREAD_ATFORK (0, 0, atfork_child);
500	}	584	}
501		585
502	void	586	void
503	max_poll_reqs (int nreqs)	587	max_poll_reqs (int nreqs)
504	PROTOTYPE: $	588	PROTOTYPE: $
…		…
557	ALIAS:	641	ALIAS:
558	aio_fsync = EIO_FSYNC	642	aio_fsync = EIO_FSYNC
559	aio_fdatasync = EIO_FDATASYNC	643	aio_fdatasync = EIO_FDATASYNC
560	PPCODE:	644	PPCODE:
561	{	645	{
		646	int fd = s_fileno_croak (fh, 0);
562	dREQ;	647	dREQ;
563		648
564	req->type = ix;	649	req->type = ix;
565	req->sv1 = newSVsv (fh);	650	req->sv1 = newSVsv (fh);
566	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	651	req->int1 = fd;
		652
		653	REQ_SEND (req);
		654	}
		655
		656	void
		657	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		658	PROTOTYPE: $$$$;$
		659	PPCODE:
		660	{
		661	int fd = s_fileno_croak (fh, 0);
		662	dREQ;
		663
		664	req->type = EIO_SYNC_FILE_RANGE;
		665	req->sv1 = newSVsv (fh);
		666	req->int1 = fd;
		667	req->offs = offset;
		668	req->size = nbytes;
		669	req->int2 = flags;
567		670
568	REQ_SEND (req);	671	REQ_SEND (req);
569	}	672	}
570		673
571	void	674	void
572	aio_close (SV fh, SV callback=&PL_sv_undef)	675	aio_close (SV fh, SV callback=&PL_sv_undef)
573	PROTOTYPE: $;$	676	PROTOTYPE: $;$
574	PPCODE:	677	PPCODE:
575	{	678	{
576	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	679	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		680	int fd = s_fileno_croak (fh, 0);
577	dREQ;	681	dREQ;
578		682
579	if (close_pipe < 0)	683	if (close_pipe < 0)
580	{	684	{
581	int pipefd [2];	685	int pipefd [2];
…		…
589	}	693	}
590		694
591	req->type = EIO_DUP2;	695	req->type = EIO_DUP2;
592	req->int1 = close_pipe;	696	req->int1 = close_pipe;
593	req->sv2 = newSVsv (fh);	697	req->sv2 = newSVsv (fh);
594	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	698	req->int2 = fd;
595		699
596	REQ_SEND (req);	700	REQ_SEND (req);
597	}	701	}
598		702
599	void	703	void
…		…
603	aio_write = EIO_WRITE	707	aio_write = EIO_WRITE
604	PROTOTYPE: $$$$$;$	708	PROTOTYPE: $$$$$;$
605	PPCODE:	709	PPCODE:
606	{	710	{
607	STRLEN svlen;	711	STRLEN svlen;
		712	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608	char *svptr = SvPVbyte (data, svlen);	713	char *svptr = SvPVbyte (data, svlen);
609	UV len = SvUV (length);	714	UV len = SvUV (length);
610
611	SvUPGRADE (data, SVt_PV);
612	SvPOK_on (data);
613		715
614	if (dataoffset < 0)	716	if (dataoffset < 0)
615	dataoffset += svlen;	717	dataoffset += svlen;
616		718
617	if (dataoffset < 0 \|\| dataoffset > svlen)	719	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
623	if (!SvOK (length) \|\| len + dataoffset > svlen)	725	if (!SvOK (length) \|\| len + dataoffset > svlen)
624	len = svlen - dataoffset;	726	len = svlen - dataoffset;
625	}	727	}
626	else	728	else
627	{	729	{
628	/* read: grow scalar as necessary */	730	/* read: check type and grow scalar as necessary */
		731	SvUPGRADE (data, SVt_PV);
629	svptr = SvGROW (data, len + dataoffset + 1);	732	svptr = SvGROW (data, len + dataoffset + 1);
630	}	733	}
631
632	if (len < 0)
633	croak ("length must not be negative");
634		734
635	{	735	{
636	dREQ;	736	dREQ;
637		737
638	req->type = ix;	738	req->type = ix;
639	req->sv1 = newSVsv (fh);	739	req->sv1 = newSVsv (fh);
640	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	740	req->int1 = fd;
641	: IoOFP (sv_2io (fh)));
642	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	741	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643	req->size = len;	742	req->size = len;
644	req->sv2 = SvREFCNT_inc (data);	743	req->sv2 = SvREFCNT_inc (data);
645	req->ptr2 = (char *)svptr + dataoffset;	744	req->ptr2 = (char *)svptr + dataoffset;
646	req->stroffset = dataoffset;	745	req->stroffset = dataoffset;
…		…
661	PPCODE:	760	PPCODE:
662	{	761	{
663	SV *data;	762	SV *data;
664	dREQ;	763	dREQ;
665		764
666	data = newSV (NAME_MAX);
667	SvPOK_on (data);
668
669	req->type = EIO_READLINK;	765	req->type = EIO_READLINK;
670	req->sv1 = newSVsv (path);	766	req->sv1 = newSVsv (path);
671	req->ptr1 = SvPVbyte_nolen (req->sv1);	767	req->ptr1 = SvPVbyte_nolen (req->sv1);
672	req->sv2 = data;
673	req->ptr2 = SvPVbyte_nolen (data);
674		768
675	REQ_SEND;	769	REQ_SEND;
676	}	770	}
677		771
678	void	772	void
679	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	773	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
680	PROTOTYPE: $$$$;$	774	PROTOTYPE: $$$$;$
681	PPCODE:	775	PPCODE:
682	{	776	{
		777	int ifd = s_fileno_croak (in_fh , 0);
		778	int ofd = s_fileno_croak (out_fh, 1);
683	dREQ;	779	dREQ;
684		780
685	req->type = EIO_SENDFILE;	781	req->type = EIO_SENDFILE;
686	req->sv1 = newSVsv (out_fh);	782	req->sv1 = newSVsv (out_fh);
687	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	783	req->int1 = ofd;
688	req->sv2 = newSVsv (in_fh);	784	req->sv2 = newSVsv (in_fh);
689	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	785	req->int2 = ifd;
690	req->offs = SvVAL64 (in_offset);	786	req->offs = in_offset;
691	req->size = length;	787	req->size = length;
692		788
693	REQ_SEND;	789	REQ_SEND;
694	}	790	}
695		791
696	void	792	void
697	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	793	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
698	PROTOTYPE: $$$;$	794	PROTOTYPE: $$$;$
699	PPCODE:	795	PPCODE:
700	{	796	{
		797	int fd = s_fileno_croak (fh, 0);
701	dREQ;	798	dREQ;
702		799
703	req->type = EIO_READAHEAD;	800	req->type = EIO_READAHEAD;
704	req->sv1 = newSVsv (fh);	801	req->sv1 = newSVsv (fh);
705	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	802	req->int1 = fd;
706	req->offs = SvVAL64 (offset);	803	req->offs = offset;
707	req->size = length;	804	req->size = length;
708		805
709	REQ_SEND;	806	REQ_SEND;
710	}	807	}
711		808
…		…
716	aio_lstat = EIO_LSTAT	813	aio_lstat = EIO_LSTAT
717	PPCODE:	814	PPCODE:
718	{	815	{
719	dREQ;	816	dREQ;
720		817
721	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
722	if (!req->ptr2)
723	{
724	req_destroy (req);
725	croak ("out of memory during aio_stat statdata allocation");
726	}
727
728	req->flags \|= EIO_FLAG_PTR2_FREE;
729	req->sv1 = newSVsv (fh_or_path);	818	req->sv1 = newSVsv (fh_or_path);
730		819
731	if (SvPOK (fh_or_path))	820	if (SvPOK (req->sv1))
732	{	821	{
733	req->type = ix;	822	req->type = ix;
734	req->ptr1 = SvPVbyte_nolen (req->sv1);	823	req->ptr1 = SvPVbyte_nolen (req->sv1);
735	}	824	}
736	else	825	else
…		…
750		839
751	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	840	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	841	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753	req->sv1 = newSVsv (fh_or_path);	842	req->sv1 = newSVsv (fh_or_path);
754		843
755	if (SvPOK (fh_or_path))	844	if (SvPOK (req->sv1))
756	{	845	{
757	req->type = EIO_UTIME;	846	req->type = EIO_UTIME;
758	req->ptr1 = SvPVbyte_nolen (req->sv1);	847	req->ptr1 = SvPVbyte_nolen (req->sv1);
759	}	848	}
760	else	849	else
…		…
773	dREQ;	862	dREQ;
774		863
775	req->sv1 = newSVsv (fh_or_path);	864	req->sv1 = newSVsv (fh_or_path);
776	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	865	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777		866
778	if (SvPOK (fh_or_path))	867	if (SvPOK (req->sv1))
779	{	868	{
780	req->type = EIO_TRUNCATE;	869	req->type = EIO_TRUNCATE;
781	req->ptr1 = SvPVbyte_nolen (req->sv1);	870	req->ptr1 = SvPVbyte_nolen (req->sv1);
782	}	871	}
783	else	872	else
…		…
791		880
792	void	881	void
793	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	882	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
794	ALIAS:	883	ALIAS:
795	aio_chmod = EIO_CHMOD	884	aio_chmod = EIO_CHMOD
796	aio_fchmod = EIO_FCHMOD
797	aio_mkdir = EIO_MKDIR	885	aio_mkdir = EIO_MKDIR
798	PPCODE:	886	PPCODE:
799	{	887	{
800	dREQ;	888	dREQ;
801		889
802	req->type = ix;
803	req->int2 = mode;	890	req->int2 = mode;
804	req->sv1 = newSVsv (fh_or_path);	891	req->sv1 = newSVsv (fh_or_path);
805		892
806	if (ix == EIO_FCHMOD)	893	if (SvPOK (req->sv1))
807	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	894	{
		895	req->type = ix;
		896	req->ptr1 = SvPVbyte_nolen (req->sv1);
		897	}
808	else	898	else
809	req->ptr1 = SvPVbyte_nolen (req->sv1);	899	{
		900	req->type = EIO_FCHMOD;
		901	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		902	}
810		903
811	REQ_SEND;	904	REQ_SEND;
812	}	905	}
813		906
814	void	907	void
…		…
819		912
820	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	913	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	914	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822	req->sv1 = newSVsv (fh_or_path);	915	req->sv1 = newSVsv (fh_or_path);
823		916
824	if (SvPOK (fh_or_path))	917	if (SvPOK (req->sv1))
825	{	918	{
826	req->type = EIO_CHOWN;	919	req->type = EIO_CHOWN;
827	req->ptr1 = SvPVbyte_nolen (req->sv1);	920	req->ptr1 = SvPVbyte_nolen (req->sv1);
828	}	921	}
829	else	922	else
…		…
831	req->type = EIO_FCHOWN;	924	req->type = EIO_FCHOWN;
832	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	925	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
833	}	926	}
834		927
835	REQ_SEND;	928	REQ_SEND;
		929	}
		930
		931	void
		932	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		933	PPCODE:
		934	{
		935	dREQ;
		936
		937	req->type = EIO_READDIR;
		938	req->sv1 = newSVsv (pathname);
		939	req->ptr1 = SvPVbyte_nolen (req->sv1);
		940	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		941
		942	if (flags & EIO_READDIR_DENTS)
		943	req->int1 \|= EIO_READDIR_CUSTOM2;
		944
		945	REQ_SEND;
836	}	946	}
837		947
838	void	948	void
839	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	949	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
840	ALIAS:	950	ALIAS:
…		…
905	{	1015	{
906	dREQ;	1016	dREQ;
907		1017
908	req->type = EIO_GROUP;	1018	req->type = EIO_GROUP;
909		1019
910	eio_submit (req);	1020	req_submit (req);
911	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1021	XPUSHs (req_sv (req, aio_grp_stash));
912	}	1022	}
913		1023
914	void	1024	void
915	aio_nop (SV *callback=&PL_sv_undef)	1025	aio_nop (SV *callback=&PL_sv_undef)
916	ALIAS:	1026	ALIAS:
…		…
927		1037
928	int	1038	int
929	aioreq_pri (int pri = 0)	1039	aioreq_pri (int pri = 0)
930	PROTOTYPE: ;$	1040	PROTOTYPE: ;$
931	CODE:	1041	CODE:
932	RETVAL = next_pri - EIO_PRI_BIAS;	1042	RETVAL = next_pri;
933	if (items > 0)	1043	if (items > 0)
934	{	1044	{
935	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1045	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1046	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937	next_pri = pri + EIO_PRI_BIAS;	1047	next_pri = pri;
938	}	1048	}
939	OUTPUT:	1049	OUTPUT:
940	RETVAL	1050	RETVAL
941		1051
942	void	1052	void
943	aioreq_nice (int nice = 0)	1053	aioreq_nice (int nice = 0)
944	CODE:	1054	CODE:
945	nice = next_pri - nice;	1055	nice = next_pri - nice;
946	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1056	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1057	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948	next_pri = nice + EIO_PRI_BIAS;	1058	next_pri = nice;
949		1059
950	void	1060	void
951	flush ()	1061	flush ()
952	PROTOTYPE:	1062	PROTOTYPE:
953	CODE:	1063	CODE:
…		…
968		1078
969	int	1079	int
970	poll_fileno()	1080	poll_fileno()
971	PROTOTYPE:	1081	PROTOTYPE:
972	CODE:	1082	CODE:
973	RETVAL = respipe [0];	1083	RETVAL = s_epipe_fd (&respipe);
974	OUTPUT:	1084	OUTPUT:
975	RETVAL	1085	RETVAL
976		1086
977	int	1087	int
978	poll_cb(...)	1088	poll_cb(...)
…		…
1014		1124
1015	int	1125	int
1016	nthreads()	1126	nthreads()
1017	PROTOTYPE:	1127	PROTOTYPE:
1018	CODE:	1128	CODE:
1019	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1129	RETVAL = eio_nthreads ();
1020	RETVAL = started;
1021	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022	OUTPUT:	1130	OUTPUT:
1023	RETVAL	1131	RETVAL
1024		1132
		1133	int
		1134	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1135	PROTOTYPE: $$$$
		1136	CODE:
		1137	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1138	RETVAL = posix_fadvise (fh, offset, length, advice);
		1139	#else
		1140	RETVAL = errno = ENOSYS;
		1141	#endif
		1142	OUTPUT:
		1143	RETVAL
		1144
		1145	ssize_t
		1146	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1147	PROTOTYPE: $$$$
		1148	CODE:
		1149	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1150	OUTPUT:
		1151	RETVAL
		1152
1025	void _on_next_submit (SV *cb)	1153	void _on_next_submit (SV *cb)
1026	CODE:	1154	CODE:
1027	SvREFCNT_dec (on_next_submit);	1155	SvREFCNT_dec (on_next_submit);
1028	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1156	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029		1157
…		…
1036	CODE:	1164	CODE:
1037	eio_cancel (req);	1165	eio_cancel (req);
1038		1166
1039	void	1167	void
1040	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1168	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1041	CODE:	1169	PPCODE:
		1170	{
		1171	if (GIMME_V != G_VOID)
		1172	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1173
		1174	if (items > 1)
		1175	{
		1176	SV *cb_cv =get_cb (callback);
		1177
1042	SvREFCNT_dec (req->callback);	1178	SvREFCNT_dec (req->callback);
1043	req->callback = newSVsv (callback);	1179	req->callback = SvREFCNT_inc (cb_cv);
		1180	}
		1181	}
1044		1182
1045	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1183	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046		1184
1047	void	1185	void
1048	add (aio_req grp, ...)	1186	add (aio_req grp, ...)
…		…
1080	AV *av;	1218	AV *av;
1081		1219
1082	grp->errorno = errno;	1220	grp->errorno = errno;
1083		1221
1084	av = newAV ();	1222	av = newAV ();
		1223	av_extend (av, items - 1);
1085		1224
1086	for (i = 1; i < items; ++i )	1225	for (i = 1; i < items; ++i )
1087	av_push (av, newSVsv (ST (i)));	1226	av_push (av, newSVsv (ST (i)));
1088		1227
1089	SvREFCNT_dec (grp->sv1);	1228	SvREFCNT_dec (grp->sv1);
…		…
1103	void	1242	void
1104	feed (aio_req grp, SV *callback=&PL_sv_undef)	1243	feed (aio_req grp, SV *callback=&PL_sv_undef)
1105	CODE:	1244	CODE:
1106	{	1245	{
1107	SvREFCNT_dec (grp->sv2);	1246	SvREFCNT_dec (grp->sv2);
1108	grp->sv2 = newSVsv (callback);	1247	grp->sv2 = newSVsv (callback);
		1248	grp->feed = aio_grp_feed;
1109		1249
1110	if (grp->int2 <= 0)	1250	if (grp->int2 <= 0)
1111	grp->int2 = 2;	1251	grp->int2 = 2;
1112		1252
1113	eio_grp_limit (grp, grp->int2);	1253	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs. Revision 1.157 by root, Sat Jan 2 12:58:37 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.157 by root, Sat Jan 2 12:58:37 2010 UTC