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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.115 by root, Sat May 10 18:06:41 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 */
…		…
101	#include "libeio/eio.c"	154	#include "libeio/eio.c"
102		155
103	typedef eio_req *aio_req;	156	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	157	typedef eio_req *aio_req_ornot;
105		158
106	static unsigned int max_outstanding = 0x7fffffff;	159	static SV *on_next_submit;
		160	static int next_pri = EIO_PRI_DEFAULT;
		161	static int max_outstanding;
107		162
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	163	static s_epipe respipe;
109
110	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		164
112	static void req_destroy (aio_req req);	165	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	166	static void req_cancel (aio_req req);
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;
168	}	222	}
169	}	223	}
170		224
		225	static void req_submit (eio_req *req)
		226	{
		227	eio_submit (req);
		228
		229	if (expect_false (on_next_submit))
		230	{
		231	dSP;
		232	SV *cb = sv_2mortal (on_next_submit);
		233
		234	on_next_submit = 0;
		235
		236	PUSHMARK (SP);
		237	PUTBACK;
		238	call_sv (cb, G_DISCARD \| G_EVAL);
		239	}
		240	}
		241
171	static int req_invoke (eio_req *req)	242	static int req_invoke (eio_req *req)
172	{	243	{
173	dSP;	244	dSP;
174		245
175	if (req->flags & FLAG_SV2_RO_OFF)	246	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	247	SvREADONLY_off (req->sv2);
177		248
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	249	if (!EIO_CANCELLED (req) && req->callback)
179	{	250	{
180	ENTER;	251	ENTER;
181	SAVETMPS;	252	SAVETMPS;
182	PUSHMARK (SP);	253	PUSHMARK (SP);
183	EXTEND (SP, 1);	254	EXTEND (SP, 1);
…		…
189	SV *rv = &PL_sv_undef;	260	SV *rv = &PL_sv_undef;
190		261
191	if (req->result >= 0)	262	if (req->result >= 0)
192	{	263	{
193	int i;	264	int i;
194	char *buf = req->ptr2;	265	char names = (char )req->ptr2;
		266	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
195	AV *av = newAV ();	267	AV *av = newAV ();
196		268
197	av_extend (av, req->result - 1);	269	av_extend (av, req->result - 1);
198		270
199	for (i = 0; i < req->result; ++i)	271	for (i = 0; i < req->result; ++i)
200	{	272	{
201	SV *sv = newSVpv (buf, 0);	273	if (req->int1 & EIO_READDIR_DENTS)
		274	{
		275	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		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
203	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);
204	buf += SvCUR (sv) + 1;	305	names += SvCUR (name) + 1;
		306	}
205	}	307	}
206		308
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	309	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	310	}
209		311
210	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))));
211	}	316	}
212	break;	317	break;
213		318
214	case EIO_OPEN:	319	case EIO_OPEN:
215	{	320	{
…		…
221	GV gv = (GV )sv_newmortal ();	326	GV gv = (GV )sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
223	char sym [64];	328	char sym [64];
224	int symlen;	329	int symlen;
225		330
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	332	gv_init (gv, aio_stash, sym, symlen, 0);
228		333
229	symlen = snprintf (	334	symlen = snprintf (
230	sym,	335	sym,
231	sizeof (sym),	336	sizeof (sym),
232	"%s&=%d",	337	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	339	(int)req->result
235	);	340	);
236		341
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	343	fh = (SV *)gv;
239	}	344	}
…		…
260	case EIO_BUSY:	365	case EIO_BUSY:
261	break;	366	break;
262		367
263	case EIO_READLINK:	368	case EIO_READLINK:
264	if (req->result > 0)	369	if (req->result > 0)
265	{	370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266	SvCUR_set (req->sv2, req->result);
267	*SvEND (req->sv2) = 0;
268	PUSHs (req->sv2);
269	}
270	break;	371	break;
271		372
272	case EIO_STAT:	373	case EIO_STAT:
273	case EIO_LSTAT:	374	case EIO_LSTAT:
274	case EIO_FSTAT:	375	case EIO_FSTAT:
…		…
277	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	379	PUSHs (sv_2mortal (newSViv (req->result)));
279	break;	380	break;
280		381
281	case EIO_READ:	382	case EIO_READ:
		383	{
282	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));
283	*SvEND (req->sv2) = 0;	385	*SvEND (req->sv2) = 0;
		386	SvPOK_only (req->sv2);
		387	SvSETMAGIC (req->sv2);
284	PUSHs (sv_2mortal (newSViv (req->result)));	388	PUSHs (sv_2mortal (newSViv (req->result)));
		389	}
285	break;	390	break;
286		391
287	case EIO_DUP2:	392	case EIO_DUP2:
288	if (req->result > 0)	393	if (req->result > 0)
289	req->result = 0;	394	req->result = 0;
…		…
335	grp->sv2 = 0;	440	grp->sv2 = 0;
336		441
337	eio_grp_cancel (grp);	442	eio_grp_cancel (grp);
338	}	443	}
339		444
340	#ifdef USE_SOCKETS_AS_HANDLES
341	# define TO_SOCKET(x) (win32_get_osfhandle (x))
342	#else
343	# define TO_SOCKET(x) (x)
344	#endif
345
346	static void	445	static void
347	create_respipe (void)	446	create_respipe (void)
348	{	447	{
349	int old_readfd = respipe [0];
350
351	if (respipe [1] >= 0)
352	respipe_close (TO_SOCKET (respipe [1]));
353
354	#ifdef _WIN32
355	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
356	#else
357	if (pipe (respipe))	448	if (s_epipe_renew (&respipe))
358	#endif
359	croak ("unable to initialize result pipe");	449	croak ("IO::AIO: unable to initialize result pipe");
360
361	if (old_readfd >= 0)
362	{
363	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
364	croak ("unable to initialize result pipe(2)");
365
366	respipe_close (respipe [0]);
367	respipe [0] = old_readfd;
368	}
369
370	#ifdef _WIN32
371	int arg = 1;
372	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
373	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
374	#else
375	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
376	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
377	#endif
378	croak ("unable to initialize result pipe(3)");
379
380	respipe_osf [0] = TO_SOCKET (respipe [0]);
381	respipe_osf [1] = TO_SOCKET (respipe [1]);
382	}	450	}
383		451
384	static void poll_wait (void)	452	static void poll_wait (void)
385	{	453	{
386	fd_set rfd;
387
388	while (eio_nreqs ())	454	while (eio_nreqs ())
389	{	455	{
390	int size;	456	int size;
391		457
392	X_LOCK (reslock);	458	X_LOCK (reslock);
…		…
394	X_UNLOCK (reslock);	460	X_UNLOCK (reslock);
395		461
396	if (size)	462	if (size)
397	return;	463	return;
398		464
399	maybe_start_thread ();	465	etp_maybe_start_thread ();
400		466
401	FD_ZERO (&rfd);	467	s_epipe_wait (&respipe);
402	FD_SET (respipe [0], &rfd);
403
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	468	}
406	}	469	}
407		470
408	static int poll_cb (void)	471	static int poll_cb (void)
409	{	472	{
		473	for (;;)
		474	{
410	int res = eio_poll ();	475	int res = eio_poll ();
411		476
412	if (res > 0)	477	if (res > 0)
413	croak (0);	478	croak (0);
414		479
		480	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
415	return res;	481	return res;
		482
		483	poll_wait ();
		484	}
		485	}
		486
		487	static void atfork_child (void)
		488	{
		489	create_respipe ();
		490	}
		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;
416	}	497	}
417		498
418	#define dREQ \	499	#define dREQ \
		500	SV *cb_cv; \
419	aio_req req; \	501	aio_req req; \
420	int req_pri = next_pri; \	502	int req_pri = next_pri; \
421	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	503	next_pri = EIO_PRI_DEFAULT; \
422	\	504	\
423	if (SvOK (callback) && !SvROK (callback)) \	505	cb_cv = get_cb (callback); \
424	croak ("callback must be undef or of reference type"); \
425	\	506	\
426	Newz (0, req, 1, eio_req); \	507	Newz (0, req, 1, eio_req); \
427	if (!req) \	508	if (!req) \
428	croak ("out of memory during eio_req allocation"); \	509	croak ("out of memory during eio_req allocation"); \
429	\	510	\
430	req->callback = newSVsv (callback); \	511	req->callback = SvREFCNT_inc (cb_cv); \
431	req->pri = req_pri	512	req->pri = req_pri
432		513
433	#define REQ_SEND \	514	#define REQ_SEND \
		515	PUTBACK; \
434	eio_submit (req); \	516	req_submit (req); \
		517	SPAGAIN; \
435	\	518	\
436	if (GIMME_V != G_VOID) \	519	if (GIMME_V != G_VOID) \
437	XPUSHs (req_sv (req, AIO_REQ_KLASS));	520	XPUSHs (req_sv (req, aio_req_stash));
438		521
439	MODULE = IO::AIO PACKAGE = IO::AIO	522	MODULE = IO::AIO PACKAGE = IO::AIO
440		523
441	PROTOTYPES: ENABLE	524	PROTOTYPES: ENABLE
442		525
443	BOOT:	526	BOOT:
444	{	527	{
445	stash = gv_stashpv ("IO::AIO", 1);	528	static const struct {
446		529	const char *name;
447	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	530	IV iv;
448	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	531	} *civ, const_iv[] = {
449	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	532	# define const_iv(name, value) { # name, (IV) value },
450	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	533	# define const_eio(name) { # name, (IV) EIO_ ## name },
451	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)
452	#ifdef _WIN32	540	#ifndef _WIN32
453	X_MUTEX_CHECK (wrklock);	541	const_iv (S_IFIFO , S_IFIFO)
454	X_MUTEX_CHECK (reslock);
455	X_MUTEX_CHECK (reqlock);
456	X_MUTEX_CHECK (reqwait);
457	X_MUTEX_CHECK (preadwritelock);
458	X_MUTEX_CHECK (readdirlock);
459
460	X_COND_CHECK (reqwait);
461	#else
462	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
463	#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)
464		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
465	create_respipe ();	577	create_respipe ();
466		578
467	if (eio_init (want_poll, done_poll) < 0)	579	if (eio_init (want_poll, done_poll) < 0)
468	croak ("IO::AIO: unable to initialise eio library");	580	croak ("IO::AIO: unable to initialise eio library");
		581
		582	/* atfork child called in fifo order, so before eio's handler */
		583	X_THREAD_ATFORK (0, 0, atfork_child);
469	}	584	}
470		585
471	void	586	void
472	max_poll_reqs (int nreqs)	587	max_poll_reqs (int nreqs)
473	PROTOTYPE: $	588	PROTOTYPE: $
…		…
526	ALIAS:	641	ALIAS:
527	aio_fsync = EIO_FSYNC	642	aio_fsync = EIO_FSYNC
528	aio_fdatasync = EIO_FDATASYNC	643	aio_fdatasync = EIO_FDATASYNC
529	PPCODE:	644	PPCODE:
530	{	645	{
		646	int fd = s_fileno_croak (fh, 0);
531	dREQ;	647	dREQ;
532		648
533	req->type = ix;	649	req->type = ix;
534	req->sv1 = newSVsv (fh);	650	req->sv1 = newSVsv (fh);
535	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: $$$$;$
		659	PPCODE:
		660	{
		661	int fd = s_fileno_croak (fh, 0);
		662	dREQ;
		663
		664	req->type = EIO_SYNC_FILE_RANGE;
		665	req->sv1 = newSVsv (fh);
		666	req->int1 = fd;
		667	req->offs = offset;
		668	req->size = nbytes;
		669	req->int2 = flags;
536		670
537	REQ_SEND (req);	671	REQ_SEND (req);
538	}	672	}
539		673
540	void	674	void
541	aio_close (SV fh, SV callback=&PL_sv_undef)	675	aio_close (SV fh, SV callback=&PL_sv_undef)
542	PROTOTYPE: $;$	676	PROTOTYPE: $;$
543	PPCODE:	677	PPCODE:
544	{	678	{
545	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	679	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		680	int fd = s_fileno_croak (fh, 0);
546	dREQ;	681	dREQ;
547		682
548	if (close_pipe < 0)	683	if (close_pipe < 0)
549	{	684	{
550	int pipefd [2];	685	int pipefd [2];
…		…
558	}	693	}
559		694
560	req->type = EIO_DUP2;	695	req->type = EIO_DUP2;
561	req->int1 = close_pipe;	696	req->int1 = close_pipe;
562	req->sv2 = newSVsv (fh);	697	req->sv2 = newSVsv (fh);
563	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	698	req->int2 = fd;
564		699
565	REQ_SEND (req);	700	REQ_SEND (req);
566	}	701	}
567		702
568	void	703	void
…		…
572	aio_write = EIO_WRITE	707	aio_write = EIO_WRITE
573	PROTOTYPE: $$$$$;$	708	PROTOTYPE: $$$$$;$
574	PPCODE:	709	PPCODE:
575	{	710	{
576	STRLEN svlen;	711	STRLEN svlen;
		712	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
577	char *svptr = SvPVbyte (data, svlen);	713	char *svptr = SvPVbyte (data, svlen);
578	UV len = SvUV (length);	714	UV len = SvUV (length);
579
580	SvUPGRADE (data, SVt_PV);
581	SvPOK_on (data);
582		715
583	if (dataoffset < 0)	716	if (dataoffset < 0)
584	dataoffset += svlen;	717	dataoffset += svlen;
585		718
586	if (dataoffset < 0 \|\| dataoffset > svlen)	719	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
592	if (!SvOK (length) \|\| len + dataoffset > svlen)	725	if (!SvOK (length) \|\| len + dataoffset > svlen)
593	len = svlen - dataoffset;	726	len = svlen - dataoffset;
594	}	727	}
595	else	728	else
596	{	729	{
597	/* read: grow scalar as necessary */	730	/* read: check type and grow scalar as necessary */
		731	SvUPGRADE (data, SVt_PV);
598	svptr = SvGROW (data, len + dataoffset + 1);	732	svptr = SvGROW (data, len + dataoffset + 1);
599	}	733	}
600
601	if (len < 0)
602	croak ("length must not be negative");
603		734
604	{	735	{
605	dREQ;	736	dREQ;
606		737
607	req->type = ix;	738	req->type = ix;
608	req->sv1 = newSVsv (fh);	739	req->sv1 = newSVsv (fh);
609	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	740	req->int1 = fd;
610	: IoOFP (sv_2io (fh)));
611	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	741	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
612	req->size = len;	742	req->size = len;
613	req->sv2 = SvREFCNT_inc (data);	743	req->sv2 = SvREFCNT_inc (data);
614	req->ptr2 = (char *)svptr + dataoffset;	744	req->ptr2 = (char *)svptr + dataoffset;
615	req->stroffset = dataoffset;	745	req->stroffset = dataoffset;
…		…
630	PPCODE:	760	PPCODE:
631	{	761	{
632	SV *data;	762	SV *data;
633	dREQ;	763	dREQ;
634		764
635	data = newSV (NAME_MAX);
636	SvPOK_on (data);
637
638	req->type = EIO_READLINK;	765	req->type = EIO_READLINK;
639	req->sv1 = newSVsv (path);	766	req->sv1 = newSVsv (path);
640	req->ptr1 = SvPVbyte_nolen (req->sv1);	767	req->ptr1 = SvPVbyte_nolen (req->sv1);
641	req->sv2 = data;
642	req->ptr2 = SvPVbyte_nolen (data);
643		768
644	REQ_SEND;	769	REQ_SEND;
645	}	770	}
646		771
647	void	772	void
648	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)
649	PROTOTYPE: $$$$;$	774	PROTOTYPE: $$$$;$
650	PPCODE:	775	PPCODE:
651	{	776	{
		777	int ifd = s_fileno_croak (in_fh , 0);
		778	int ofd = s_fileno_croak (out_fh, 1);
652	dREQ;	779	dREQ;
653		780
654	req->type = EIO_SENDFILE;	781	req->type = EIO_SENDFILE;
655	req->sv1 = newSVsv (out_fh);	782	req->sv1 = newSVsv (out_fh);
656	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	783	req->int1 = ofd;
657	req->sv2 = newSVsv (in_fh);	784	req->sv2 = newSVsv (in_fh);
658	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	785	req->int2 = ifd;
659	req->offs = SvVAL64 (in_offset);	786	req->offs = in_offset;
660	req->size = length;	787	req->size = length;
661		788
662	REQ_SEND;	789	REQ_SEND;
663	}	790	}
664		791
665	void	792	void
666	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	793	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
667	PROTOTYPE: $$$;$	794	PROTOTYPE: $$$;$
668	PPCODE:	795	PPCODE:
669	{	796	{
		797	int fd = s_fileno_croak (fh, 0);
670	dREQ;	798	dREQ;
671		799
672	req->type = EIO_READAHEAD;	800	req->type = EIO_READAHEAD;
673	req->sv1 = newSVsv (fh);	801	req->sv1 = newSVsv (fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	802	req->int1 = fd;
675	req->offs = SvVAL64 (offset);	803	req->offs = offset;
676	req->size = length;	804	req->size = length;
677		805
678	REQ_SEND;	806	REQ_SEND;
679	}	807	}
680		808
…		…
685	aio_lstat = EIO_LSTAT	813	aio_lstat = EIO_LSTAT
686	PPCODE:	814	PPCODE:
687	{	815	{
688	dREQ;	816	dREQ;
689		817
690	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
691	if (!req->ptr2)
692	{
693	req_destroy (req);
694	croak ("out of memory during aio_stat statdata allocation");
695	}
696
697	req->flags \|= EIO_FLAG_PTR2_FREE;
698	req->sv1 = newSVsv (fh_or_path);	818	req->sv1 = newSVsv (fh_or_path);
699		819
700	if (SvPOK (fh_or_path))	820	if (SvPOK (req->sv1))
701	{	821	{
702	req->type = ix;	822	req->type = ix;
703	req->ptr1 = SvPVbyte_nolen (req->sv1);	823	req->ptr1 = SvPVbyte_nolen (req->sv1);
704	}	824	}
705	else	825	else
…		…
719		839
720	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	840	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
721	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	841	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
722	req->sv1 = newSVsv (fh_or_path);	842	req->sv1 = newSVsv (fh_or_path);
723		843
724	if (SvPOK (fh_or_path))	844	if (SvPOK (req->sv1))
725	{	845	{
726	req->type = EIO_UTIME;	846	req->type = EIO_UTIME;
727	req->ptr1 = SvPVbyte_nolen (req->sv1);	847	req->ptr1 = SvPVbyte_nolen (req->sv1);
728	}	848	}
729	else	849	else
…		…
742	dREQ;	862	dREQ;
743		863
744	req->sv1 = newSVsv (fh_or_path);	864	req->sv1 = newSVsv (fh_or_path);
745	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	865	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
746		866
747	if (SvPOK (fh_or_path))	867	if (SvPOK (req->sv1))
748	{	868	{
749	req->type = EIO_TRUNCATE;	869	req->type = EIO_TRUNCATE;
750	req->ptr1 = SvPVbyte_nolen (req->sv1);	870	req->ptr1 = SvPVbyte_nolen (req->sv1);
751	}	871	}
752	else	872	else
…		…
760		880
761	void	881	void
762	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)
763	ALIAS:	883	ALIAS:
764	aio_chmod = EIO_CHMOD	884	aio_chmod = EIO_CHMOD
765	aio_fchmod = EIO_FCHMOD
766	aio_mkdir = EIO_MKDIR	885	aio_mkdir = EIO_MKDIR
767	PPCODE:	886	PPCODE:
768	{	887	{
769	dREQ;	888	dREQ;
770		889
771	req->type = ix;
772	req->int2 = mode;	890	req->int2 = mode;
773	req->sv1 = newSVsv (fh_or_path);	891	req->sv1 = newSVsv (fh_or_path);
774		892
775	if (ix == EIO_FCHMOD)	893	if (SvPOK (req->sv1))
776	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	894	{
		895	req->type = ix;
		896	req->ptr1 = SvPVbyte_nolen (req->sv1);
		897	}
777	else	898	else
778	req->ptr1 = SvPVbyte_nolen (req->sv1);	899	{
		900	req->type = EIO_FCHMOD;
		901	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		902	}
779		903
780	REQ_SEND;	904	REQ_SEND;
781	}	905	}
782		906
783	void	907	void
…		…
788		912
789	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	913	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
790	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	914	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
791	req->sv1 = newSVsv (fh_or_path);	915	req->sv1 = newSVsv (fh_or_path);
792		916
793	if (SvPOK (fh_or_path))	917	if (SvPOK (req->sv1))
794	{	918	{
795	req->type = EIO_CHOWN;	919	req->type = EIO_CHOWN;
796	req->ptr1 = SvPVbyte_nolen (req->sv1);	920	req->ptr1 = SvPVbyte_nolen (req->sv1);
797	}	921	}
798	else	922	else
…		…
800	req->type = EIO_FCHOWN;	924	req->type = EIO_FCHOWN;
801	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	925	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
802	}	926	}
803		927
804	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;
805	}	946	}
806		947
807	void	948	void
808	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	949	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
809	ALIAS:	950	ALIAS:
…		…
874	{	1015	{
875	dREQ;	1016	dREQ;
876		1017
877	req->type = EIO_GROUP;	1018	req->type = EIO_GROUP;
878		1019
879	eio_submit (req);	1020	req_submit (req);
880	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1021	XPUSHs (req_sv (req, aio_grp_stash));
881	}	1022	}
882		1023
883	void	1024	void
884	aio_nop (SV *callback=&PL_sv_undef)	1025	aio_nop (SV *callback=&PL_sv_undef)
885	ALIAS:	1026	ALIAS:
…		…
896		1037
897	int	1038	int
898	aioreq_pri (int pri = 0)	1039	aioreq_pri (int pri = 0)
899	PROTOTYPE: ;$	1040	PROTOTYPE: ;$
900	CODE:	1041	CODE:
901	RETVAL = next_pri - EIO_PRI_BIAS;	1042	RETVAL = next_pri;
902	if (items > 0)	1043	if (items > 0)
903	{	1044	{
904	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1045	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
905	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1046	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
906	next_pri = pri + EIO_PRI_BIAS;	1047	next_pri = pri;
907	}	1048	}
908	OUTPUT:	1049	OUTPUT:
909	RETVAL	1050	RETVAL
910		1051
911	void	1052	void
912	aioreq_nice (int nice = 0)	1053	aioreq_nice (int nice = 0)
913	CODE:	1054	CODE:
914	nice = next_pri - nice;	1055	nice = next_pri - nice;
915	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1056	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
916	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1057	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
917	next_pri = nice + EIO_PRI_BIAS;	1058	next_pri = nice;
918		1059
919	void	1060	void
920	flush ()	1061	flush ()
921	PROTOTYPE:	1062	PROTOTYPE:
922	CODE:	1063	CODE:
923	while (nreqs)	1064	while (eio_nreqs ())
924	{	1065	{
925	poll_wait ();	1066	poll_wait ();
926	poll_cb ();	1067	poll_cb ();
927	}	1068	}
928		1069
…		…
937		1078
938	int	1079	int
939	poll_fileno()	1080	poll_fileno()
940	PROTOTYPE:	1081	PROTOTYPE:
941	CODE:	1082	CODE:
942	RETVAL = respipe [0];	1083	RETVAL = s_epipe_fd (&respipe);
943	OUTPUT:	1084	OUTPUT:
944	RETVAL	1085	RETVAL
945		1086
946	int	1087	int
947	poll_cb(...)	1088	poll_cb(...)
…		…
983		1124
984	int	1125	int
985	nthreads()	1126	nthreads()
986	PROTOTYPE:	1127	PROTOTYPE:
987	CODE:	1128	CODE:
988	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1129	RETVAL = eio_nthreads ();
989	RETVAL = started;
990	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
991	OUTPUT:	1130	OUTPUT:
992	RETVAL	1131	RETVAL
993		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
		1153	void _on_next_submit (SV *cb)
		1154	CODE:
		1155	SvREFCNT_dec (on_next_submit);
		1156	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1157
994	PROTOTYPES: DISABLE	1158	PROTOTYPES: DISABLE
995		1159
996	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1160	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
997		1161
998	void	1162	void
…		…
1000	CODE:	1164	CODE:
1001	eio_cancel (req);	1165	eio_cancel (req);
1002		1166
1003	void	1167	void
1004	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1168	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1005	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
1006	SvREFCNT_dec (req->callback);	1178	SvREFCNT_dec (req->callback);
1007	req->callback = newSVsv (callback);	1179	req->callback = SvREFCNT_inc (cb_cv);
		1180	}
		1181	}
1008		1182
1009	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1183	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1010		1184
1011	void	1185	void
1012	add (aio_req grp, ...)	1186	add (aio_req grp, ...)
…		…
1044	AV *av;	1218	AV *av;
1045		1219
1046	grp->errorno = errno;	1220	grp->errorno = errno;
1047		1221
1048	av = newAV ();	1222	av = newAV ();
		1223	av_extend (av, items - 1);
1049		1224
1050	for (i = 1; i < items; ++i )	1225	for (i = 1; i < items; ++i )
1051	av_push (av, newSVsv (ST (i)));	1226	av_push (av, newSVsv (ST (i)));
1052		1227
1053	SvREFCNT_dec (grp->sv1);	1228	SvREFCNT_dec (grp->sv1);
…		…
1067	void	1242	void
1068	feed (aio_req grp, SV *callback=&PL_sv_undef)	1243	feed (aio_req grp, SV *callback=&PL_sv_undef)
1069	CODE:	1244	CODE:
1070	{	1245	{
1071	SvREFCNT_dec (grp->sv2);	1246	SvREFCNT_dec (grp->sv2);
1072	grp->sv2 = newSVsv (callback);	1247	grp->sv2 = newSVsv (callback);
		1248	grp->feed = aio_grp_feed;
1073		1249
1074	if (grp->int2 <= 0)	1250	if (grp->int2 <= 0)
1075	grp->int2 = 2;	1251	grp->int2 = 2;
1076		1252
1077	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 1.115 by root, Sat May 10 18:06:41 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 1.115 by root, Sat May 10 18:06:41 2008 UTC vs.
Revision 1.157 by root, Sat Jan 2 12:58:37 2010 UTC