[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 1.155 by root, Fri Jul 17 00:56:54 2009 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
		90
		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	/*****************************************************************************/
75		103
76	static HV *stash;	104	static HV *stash;
77	typedef SV SV8; /* byte-sv, used for argument-checking */	105	typedef SV SV8; /* byte-sv, used for argument-checking */
		106	typedef int aio_rfd; /* read file desriptor */
		107	typedef int aio_wfd; /* write file descriptor */
78		108
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	109	#define AIO_REQ_KLASS "IO::AIO::REQ"
80	#define AIO_GRP_KLASS "IO::AIO::GRP"	110	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		111
82	#define EIO_COMMON \	112	#define EIO_REQ_MEMBERS \
83	SV *callback; \	113	SV *callback; \
84	SV sv1, sv2; \	114	SV sv1, sv2; \
85	STRLEN stroffset; \	115	STRLEN stroffset; \
86	SV *self	116	SV *self;
		117
		118	#define EIO_NO_WRAPPERS 1
87		119
88	#include "libeio/eio.h"	120	#include "libeio/eio.h"
		121
		122	#ifndef POSIX_FADV_NORMAL
		123	# define POSIX_FADV_NORMAL 0
		124	# define NO_FADVISE 1
		125	#endif
		126
		127	#ifndef POSIX_FADV_SEQUENTIAL
		128	# define POSIX_FADV_SEQUENTIAL 0
		129	#endif
		130
		131	#ifndef POSIX_FADV_RANDOM
		132	# define POSIX_FADV_RANDOM 0
		133	#endif
		134
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138
		139	#ifndef POSIX_FADV_WILLNEED
		140	# define POSIX_FADV_WILLNEED 0
		141	#endif
		142
		143	#ifndef POSIX_FADV_DONTNEED
		144	# define POSIX_FADV_DONTNEED 0
		145	#endif
89		146
90	static int req_invoke (eio_req *req);	147	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	148	#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);	149	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	150	#define EIO_DESTROY(req) req_destroy (req)
96		151
97	enum {	152	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	153	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
102		157
103	typedef eio_req *aio_req;	158	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	159	typedef eio_req *aio_req_ornot;
105		160
106	static SV *on_next_submit;	161	static SV *on_next_submit;
107	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	162	static int next_pri = EIO_PRI_DEFAULT;
108	static int max_outstanding;	163	static int max_outstanding;
109		164
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	165	static s_epipe respipe;
111		166
112	static void req_destroy (aio_req req);	167	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	168	static void req_cancel (aio_req req);
114		169
115	static void want_poll (void)	170	static void want_poll (void)
116	{	171	{
117	/* write a dummy byte to the pipe so fh becomes ready */	172	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	173	s_epipe_signal (&respipe);
119	}	174	}
120		175
121	static void done_poll (void)	176	static void done_poll (void)
122	{	177	{
123	/* read any signals sent by the worker threads */	178	/* read any signals sent by the worker threads */
124	char buf [4];	179	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	180	}
128		181
129	/* must be called at most once */	182	/* must be called at most once */
130	static SV req_sv (aio_req req, const char klass)	183	static SV req_sv (aio_req req, const char klass)
131	{	184	{
…		…
170		223
171	static void req_submit (eio_req *req)	224	static void req_submit (eio_req *req)
172	{	225	{
173	eio_submit (req);	226	eio_submit (req);
174		227
175	if (on_next_submit)	228	if (expect_false (on_next_submit))
176	{	229	{
177	dSP;	230	dSP;
178	SV *cb = sv_2mortal (on_next_submit);	231	SV *cb = sv_2mortal (on_next_submit);
179		232
180	on_next_submit = 0;	233	on_next_submit = 0;
…		…
190	dSP;	243	dSP;
191		244
192	if (req->flags & FLAG_SV2_RO_OFF)	245	if (req->flags & FLAG_SV2_RO_OFF)
193	SvREADONLY_off (req->sv2);	246	SvREADONLY_off (req->sv2);
194		247
195	if (!EIO_CANCELLED (req) && SvOK (req->callback))	248	if (!EIO_CANCELLED (req) && req->callback)
196	{	249	{
197	ENTER;	250	ENTER;
198	SAVETMPS;	251	SAVETMPS;
199	PUSHMARK (SP);	252	PUSHMARK (SP);
200	EXTEND (SP, 1);	253	EXTEND (SP, 1);
…		…
206	SV *rv = &PL_sv_undef;	259	SV *rv = &PL_sv_undef;
207		260
208	if (req->result >= 0)	261	if (req->result >= 0)
209	{	262	{
210	int i;	263	int i;
211	char *buf = req->ptr2;	264	char names = (char )req->ptr2;
		265	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
212	AV *av = newAV ();	266	AV *av = newAV ();
213		267
214	av_extend (av, req->result - 1);	268	av_extend (av, req->result - 1);
215		269
216	for (i = 0; i < req->result; ++i)	270	for (i = 0; i < req->result; ++i)
217	{	271	{
218	SV *sv = newSVpv (buf, 0);	272	if (req->int1 & EIO_READDIR_DENTS)
		273	{
		274	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219		275
		276	if (req->int1 & EIO_READDIR_CUSTOM2)
		277	{
		278	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		279	AV *avent = newAV ();
		280
		281	av_extend (avent, 2);
		282
		283	if (!sv_type [ent->type])
		284	{
		285	sv_type [ent->type] = newSViv (ent->type);
		286	SvREADONLY_on (sv_type [ent->type]);
		287	}
		288
		289	av_store (avent, 0, namesv);
		290	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		291	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		292
		293	av_store (av, i, newRV_noinc ((SV *)avent));
		294	}
		295	else
220	av_store (av, i, sv);	296	av_store (av, i, namesv);
		297
		298	++ent;
		299	}
		300	else
		301	{
		302	SV *name = newSVpv (names, 0);
		303	av_store (av, i, name);
221	buf += SvCUR (sv) + 1;	304	names += SvCUR (name) + 1;
		305	}
222	}	306	}
223		307
224	rv = sv_2mortal (newRV_noinc ((SV *)av));	308	rv = sv_2mortal (newRV_noinc ((SV *)av));
225	}	309	}
226		310
227	PUSHs (rv);	311	PUSHs (rv);
		312
		313	if (req->int1 & EIO_READDIR_CUSTOM1)
		314	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
228	}	315	}
229	break;	316	break;
230		317
231	case EIO_OPEN:	318	case EIO_OPEN:
232	{	319	{
…		…
238	GV gv = (GV )sv_newmortal ();	325	GV gv = (GV )sv_newmortal ();
239	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	326	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
240	char sym [64];	327	char sym [64];
241	int symlen;	328	int symlen;
242		329
243	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
244	gv_init (gv, stash, sym, symlen, 0);	331	gv_init (gv, stash, sym, symlen, 0);
245		332
246	symlen = snprintf (	333	symlen = snprintf (
247	sym,	334	sym,
248	sizeof (sym),	335	sizeof (sym),
249	"%s&=%d",	336	"%s&=%d",
250	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	337	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251	req->result	338	(int)req->result
252	);	339	);
253		340
254	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	341	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
255	fh = (SV *)gv;	342	fh = (SV *)gv;
256	}	343	}
…		…
277	case EIO_BUSY:	364	case EIO_BUSY:
278	break;	365	break;
279		366
280	case EIO_READLINK:	367	case EIO_READLINK:
281	if (req->result > 0)	368	if (req->result > 0)
282	{	369	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;	370	break;
288		371
289	case EIO_STAT:	372	case EIO_STAT:
290	case EIO_LSTAT:	373	case EIO_LSTAT:
291	case EIO_FSTAT:	374	case EIO_FSTAT:
…		…
294	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	377	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
295	PUSHs (sv_2mortal (newSViv (req->result)));	378	PUSHs (sv_2mortal (newSViv (req->result)));
296	break;	379	break;
297		380
298	case EIO_READ:	381	case EIO_READ:
		382	{
299	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	383	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
300	*SvEND (req->sv2) = 0;	384	*SvEND (req->sv2) = 0;
		385	SvPOK_only (req->sv2);
		386	SvSETMAGIC (req->sv2);
301	PUSHs (sv_2mortal (newSViv (req->result)));	387	PUSHs (sv_2mortal (newSViv (req->result)));
		388	}
302	break;	389	break;
303		390
304	case EIO_DUP2:	391	case EIO_DUP2:
305	if (req->result > 0)	392	if (req->result > 0)
306	req->result = 0;	393	req->result = 0;
…		…
352	grp->sv2 = 0;	439	grp->sv2 = 0;
353		440
354	eio_grp_cancel (grp);	441	eio_grp_cancel (grp);
355	}	442	}
356		443
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	444	static void
364	create_respipe (void)	445	create_respipe (void)
365	{	446	{
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))	447	if (s_epipe_renew (&respipe))
375	#endif
376	croak ("unable to initialize result pipe");	448	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	}	449	}
400		450
401	static void poll_wait (void)	451	static void poll_wait (void)
402	{	452	{
403	fd_set rfd;
404
405	while (eio_nreqs ())	453	while (eio_nreqs ())
406	{	454	{
407	int size;	455	int size;
408		456
409	X_LOCK (reslock);	457	X_LOCK (reslock);
…		…
411	X_UNLOCK (reslock);	459	X_UNLOCK (reslock);
412		460
413	if (size)	461	if (size)
414	return;	462	return;
415		463
416	maybe_start_thread ();	464	etp_maybe_start_thread ();
417		465
418	FD_ZERO (&rfd);	466	s_epipe_wait (&respipe);
419	FD_SET (respipe [0], &rfd);
420
421	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422	}	467	}
423	}	468	}
424		469
425	static int poll_cb (void)	470	static int poll_cb (void)
426	{	471	{
427	int res;	472	for (;;)
428
429	do
430	{	473	{
431	res = eio_poll ();	474	int res = eio_poll ();
432		475
433	if (res > 0)	476	if (res > 0)
434	croak (0);	477	croak (0);
		478
		479	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		480	return res;
		481
		482	poll_wait ();
435	}	483	}
436	while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438	return res;
439	}	484	}
440		485
441	static void atfork_child (void)	486	static void atfork_child (void)
442	{	487	{
443	create_respipe ();	488	create_respipe ();
444	}	489	}
445		490
		491	static SV *
		492	get_cb (SV *cb_sv)
		493	{
		494	SvGETMAGIC (cb_sv);
		495	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		496	}
		497
446	#define dREQ \	498	#define dREQ \
		499	SV *cb_cv; \
447	aio_req req; \	500	aio_req req; \
448	int req_pri = next_pri; \	501	int req_pri = next_pri; \
449	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	502	next_pri = EIO_PRI_DEFAULT; \
450	\	503	\
451	if (SvOK (callback) && !SvROK (callback)) \	504	cb_cv = get_cb (callback); \
452	croak ("callback must be undef or of reference type"); \
453	\	505	\
454	Newz (0, req, 1, eio_req); \	506	Newz (0, req, 1, eio_req); \
455	if (!req) \	507	if (!req) \
456	croak ("out of memory during eio_req allocation"); \	508	croak ("out of memory during eio_req allocation"); \
457	\	509	\
458	req->callback = newSVsv (callback); \	510	req->callback = SvREFCNT_inc (cb_cv); \
459	req->pri = req_pri	511	req->pri = req_pri
460		512
461	#define REQ_SEND \	513	#define REQ_SEND \
		514	PUTBACK; \
462	req_submit (req); \	515	req_submit (req); \
		516	SPAGAIN; \
463	\	517	\
464	if (GIMME_V != G_VOID) \	518	if (GIMME_V != G_VOID) \
465	XPUSHs (req_sv (req, AIO_REQ_KLASS));	519	XPUSHs (req_sv (req, AIO_REQ_KLASS));
466		520
467	MODULE = IO::AIO PACKAGE = IO::AIO	521	MODULE = IO::AIO PACKAGE = IO::AIO
468		522
469	PROTOTYPES: ENABLE	523	PROTOTYPES: ENABLE
470		524
471	BOOT:	525	BOOT:
472	{	526	{
473	stash = gv_stashpv ("IO::AIO", 1);	527	static const struct {
474		528	const char *name;
475	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	529	IV iv;
476	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	530	} *civ, const_iv[] = {
477	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	531	# define const_iv(name, value) { # name, (IV) value },
478	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	532	# define const_eio(name) { # name, (IV) EIO_ ## name },
479	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	533	const_iv (EXDEV , EXDEV)
		534	const_iv (ENOSYS , ENOSYS)
		535	const_iv (O_RDONLY, O_RDONLY)
		536	const_iv (O_WRONLY, O_WRONLY)
		537	const_iv (O_CREAT , O_CREAT)
		538	const_iv (O_TRUNC , O_TRUNC)
480	#ifdef _WIN32	539	#ifndef _WIN32
481	X_MUTEX_CHECK (wrklock);	540	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	541	#endif
		542	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		543	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		544	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		545	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		546	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		547	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
492		548
		549	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		550	const_eio (SYNC_FILE_RANGE_WRITE)
		551	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		552
		553	const_eio (READDIR_DENTS)
		554	const_eio (READDIR_DIRS_FIRST)
		555	const_eio (READDIR_STAT_ORDER)
		556	const_eio (READDIR_FOUND_UNKNOWN)
		557
		558	const_eio (DT_UNKNOWN)
		559	const_eio (DT_FIFO)
		560	const_eio (DT_CHR)
		561	const_eio (DT_DIR)
		562	const_eio (DT_BLK)
		563	const_eio (DT_REG)
		564	const_eio (DT_LNK)
		565	const_eio (DT_SOCK)
		566	const_eio (DT_WHT)
		567	};
		568
		569	stash = gv_stashpv ("IO::AIO", 1);
		570
		571	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		572	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		573
493	create_respipe ();	574	create_respipe ();
494		575
495	if (eio_init (want_poll, done_poll) < 0)	576	if (eio_init (want_poll, done_poll) < 0)
496	croak ("IO::AIO: unable to initialise eio library");	577	croak ("IO::AIO: unable to initialise eio library");
497		578
498	/* atfork child called in fifo order, so before eio's handler */	579	/* atfork child called in fifo order, so before eio's handler */
499	X_THREAD_ATFORK (0, 0, atfork_child);	580	X_THREAD_ATFORK (0, 0, atfork_child);
500	}	581	}
501		582
502	void	583	void
503	max_poll_reqs (int nreqs)	584	max_poll_reqs (int nreqs)
504	PROTOTYPE: $	585	PROTOTYPE: $
…		…
557	ALIAS:	638	ALIAS:
558	aio_fsync = EIO_FSYNC	639	aio_fsync = EIO_FSYNC
559	aio_fdatasync = EIO_FDATASYNC	640	aio_fdatasync = EIO_FDATASYNC
560	PPCODE:	641	PPCODE:
561	{	642	{
		643	int fd = s_fileno_croak (fh, 0);
562	dREQ;	644	dREQ;
563		645
564	req->type = ix;	646	req->type = ix;
565	req->sv1 = newSVsv (fh);	647	req->sv1 = newSVsv (fh);
566	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	648	req->int1 = fd;
		649
		650	REQ_SEND (req);
		651	}
		652
		653	void
		654	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		655	PROTOTYPE: $$$$;$
		656	PPCODE:
		657	{
		658	int fd = s_fileno_croak (fh, 0);
		659	dREQ;
		660
		661	req->type = EIO_SYNC_FILE_RANGE;
		662	req->sv1 = newSVsv (fh);
		663	req->int1 = fd;
		664	req->offs = offset;
		665	req->size = nbytes;
		666	req->int2 = flags;
567		667
568	REQ_SEND (req);	668	REQ_SEND (req);
569	}	669	}
570		670
571	void	671	void
572	aio_close (SV fh, SV callback=&PL_sv_undef)	672	aio_close (SV fh, SV callback=&PL_sv_undef)
573	PROTOTYPE: $;$	673	PROTOTYPE: $;$
574	PPCODE:	674	PPCODE:
575	{	675	{
576	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	676	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		677	int fd = s_fileno_croak (fh, 0);
577	dREQ;	678	dREQ;
578		679
579	if (close_pipe < 0)	680	if (close_pipe < 0)
580	{	681	{
581	int pipefd [2];	682	int pipefd [2];
…		…
589	}	690	}
590		691
591	req->type = EIO_DUP2;	692	req->type = EIO_DUP2;
592	req->int1 = close_pipe;	693	req->int1 = close_pipe;
593	req->sv2 = newSVsv (fh);	694	req->sv2 = newSVsv (fh);
594	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	695	req->int2 = fd;
595		696
596	REQ_SEND (req);	697	REQ_SEND (req);
597	}	698	}
598		699
599	void	700	void
…		…
603	aio_write = EIO_WRITE	704	aio_write = EIO_WRITE
604	PROTOTYPE: $$$$$;$	705	PROTOTYPE: $$$$$;$
605	PPCODE:	706	PPCODE:
606	{	707	{
607	STRLEN svlen;	708	STRLEN svlen;
		709	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608	char *svptr = SvPVbyte (data, svlen);	710	char *svptr = SvPVbyte (data, svlen);
609	UV len = SvUV (length);	711	UV len = SvUV (length);
610
611	SvUPGRADE (data, SVt_PV);
612	SvPOK_on (data);
613		712
614	if (dataoffset < 0)	713	if (dataoffset < 0)
615	dataoffset += svlen;	714	dataoffset += svlen;
616		715
617	if (dataoffset < 0 \|\| dataoffset > svlen)	716	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
623	if (!SvOK (length) \|\| len + dataoffset > svlen)	722	if (!SvOK (length) \|\| len + dataoffset > svlen)
624	len = svlen - dataoffset;	723	len = svlen - dataoffset;
625	}	724	}
626	else	725	else
627	{	726	{
628	/* read: grow scalar as necessary */	727	/* read: check type and grow scalar as necessary */
		728	SvUPGRADE (data, SVt_PV);
629	svptr = SvGROW (data, len + dataoffset + 1);	729	svptr = SvGROW (data, len + dataoffset + 1);
630	}	730	}
631
632	if (len < 0)
633	croak ("length must not be negative");
634		731
635	{	732	{
636	dREQ;	733	dREQ;
637		734
638	req->type = ix;	735	req->type = ix;
639	req->sv1 = newSVsv (fh);	736	req->sv1 = newSVsv (fh);
640	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	737	req->int1 = fd;
641	: IoOFP (sv_2io (fh)));
642	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	738	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643	req->size = len;	739	req->size = len;
644	req->sv2 = SvREFCNT_inc (data);	740	req->sv2 = SvREFCNT_inc (data);
645	req->ptr2 = (char *)svptr + dataoffset;	741	req->ptr2 = (char *)svptr + dataoffset;
646	req->stroffset = dataoffset;	742	req->stroffset = dataoffset;
…		…
661	PPCODE:	757	PPCODE:
662	{	758	{
663	SV *data;	759	SV *data;
664	dREQ;	760	dREQ;
665		761
666	data = newSV (NAME_MAX);
667	SvPOK_on (data);
668
669	req->type = EIO_READLINK;	762	req->type = EIO_READLINK;
670	req->sv1 = newSVsv (path);	763	req->sv1 = newSVsv (path);
671	req->ptr1 = SvPVbyte_nolen (req->sv1);	764	req->ptr1 = SvPVbyte_nolen (req->sv1);
672	req->sv2 = data;
673	req->ptr2 = SvPVbyte_nolen (data);
674		765
675	REQ_SEND;	766	REQ_SEND;
676	}	767	}
677		768
678	void	769	void
679	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	770	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
680	PROTOTYPE: $$$$;$	771	PROTOTYPE: $$$$;$
681	PPCODE:	772	PPCODE:
682	{	773	{
		774	int ifd = s_fileno_croak (in_fh , 0);
		775	int ofd = s_fileno_croak (out_fh, 1);
683	dREQ;	776	dREQ;
684		777
685	req->type = EIO_SENDFILE;	778	req->type = EIO_SENDFILE;
686	req->sv1 = newSVsv (out_fh);	779	req->sv1 = newSVsv (out_fh);
687	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	780	req->int1 = ofd;
688	req->sv2 = newSVsv (in_fh);	781	req->sv2 = newSVsv (in_fh);
689	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	782	req->int2 = ifd;
690	req->offs = SvVAL64 (in_offset);	783	req->offs = in_offset;
691	req->size = length;	784	req->size = length;
692		785
693	REQ_SEND;	786	REQ_SEND;
694	}	787	}
695		788
696	void	789	void
697	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	790	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
698	PROTOTYPE: $$$;$	791	PROTOTYPE: $$$;$
699	PPCODE:	792	PPCODE:
700	{	793	{
		794	int fd = s_fileno_croak (fh, 0);
701	dREQ;	795	dREQ;
702		796
703	req->type = EIO_READAHEAD;	797	req->type = EIO_READAHEAD;
704	req->sv1 = newSVsv (fh);	798	req->sv1 = newSVsv (fh);
705	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	799	req->int1 = fd;
706	req->offs = SvVAL64 (offset);	800	req->offs = offset;
707	req->size = length;	801	req->size = length;
708		802
709	REQ_SEND;	803	REQ_SEND;
710	}	804	}
711		805
…		…
716	aio_lstat = EIO_LSTAT	810	aio_lstat = EIO_LSTAT
717	PPCODE:	811	PPCODE:
718	{	812	{
719	dREQ;	813	dREQ;
720		814
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);	815	req->sv1 = newSVsv (fh_or_path);
730		816
731	if (SvPOK (fh_or_path))	817	if (SvPOK (req->sv1))
732	{	818	{
733	req->type = ix;	819	req->type = ix;
734	req->ptr1 = SvPVbyte_nolen (req->sv1);	820	req->ptr1 = SvPVbyte_nolen (req->sv1);
735	}	821	}
736	else	822	else
…		…
750		836
751	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	837	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	838	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753	req->sv1 = newSVsv (fh_or_path);	839	req->sv1 = newSVsv (fh_or_path);
754		840
755	if (SvPOK (fh_or_path))	841	if (SvPOK (req->sv1))
756	{	842	{
757	req->type = EIO_UTIME;	843	req->type = EIO_UTIME;
758	req->ptr1 = SvPVbyte_nolen (req->sv1);	844	req->ptr1 = SvPVbyte_nolen (req->sv1);
759	}	845	}
760	else	846	else
…		…
773	dREQ;	859	dREQ;
774		860
775	req->sv1 = newSVsv (fh_or_path);	861	req->sv1 = newSVsv (fh_or_path);
776	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	862	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777		863
778	if (SvPOK (fh_or_path))	864	if (SvPOK (req->sv1))
779	{	865	{
780	req->type = EIO_TRUNCATE;	866	req->type = EIO_TRUNCATE;
781	req->ptr1 = SvPVbyte_nolen (req->sv1);	867	req->ptr1 = SvPVbyte_nolen (req->sv1);
782	}	868	}
783	else	869	else
…		…
791		877
792	void	878	void
793	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	879	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
794	ALIAS:	880	ALIAS:
795	aio_chmod = EIO_CHMOD	881	aio_chmod = EIO_CHMOD
796	aio_fchmod = EIO_FCHMOD
797	aio_mkdir = EIO_MKDIR	882	aio_mkdir = EIO_MKDIR
798	PPCODE:	883	PPCODE:
799	{	884	{
800	dREQ;	885	dREQ;
801		886
802	req->type = ix;
803	req->int2 = mode;	887	req->int2 = mode;
804	req->sv1 = newSVsv (fh_or_path);	888	req->sv1 = newSVsv (fh_or_path);
805		889
806	if (ix == EIO_FCHMOD)	890	if (SvPOK (req->sv1))
807	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	891	{
		892	req->type = ix;
		893	req->ptr1 = SvPVbyte_nolen (req->sv1);
		894	}
808	else	895	else
809	req->ptr1 = SvPVbyte_nolen (req->sv1);	896	{
		897	req->type = EIO_FCHMOD;
		898	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		899	}
810		900
811	REQ_SEND;	901	REQ_SEND;
812	}	902	}
813		903
814	void	904	void
…		…
819		909
820	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	910	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	911	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822	req->sv1 = newSVsv (fh_or_path);	912	req->sv1 = newSVsv (fh_or_path);
823		913
824	if (SvPOK (fh_or_path))	914	if (SvPOK (req->sv1))
825	{	915	{
826	req->type = EIO_CHOWN;	916	req->type = EIO_CHOWN;
827	req->ptr1 = SvPVbyte_nolen (req->sv1);	917	req->ptr1 = SvPVbyte_nolen (req->sv1);
828	}	918	}
829	else	919	else
…		…
831	req->type = EIO_FCHOWN;	921	req->type = EIO_FCHOWN;
832	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	922	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
833	}	923	}
834		924
835	REQ_SEND;	925	REQ_SEND;
		926	}
		927
		928	void
		929	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		930	PPCODE:
		931	{
		932	dREQ;
		933
		934	req->type = EIO_READDIR;
		935	req->sv1 = newSVsv (pathname);
		936	req->ptr1 = SvPVbyte_nolen (req->sv1);
		937	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		938
		939	if (flags & EIO_READDIR_DENTS)
		940	req->int1 \|= EIO_READDIR_CUSTOM2;
		941
		942	REQ_SEND;
836	}	943	}
837		944
838	void	945	void
839	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	946	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
840	ALIAS:	947	ALIAS:
…		…
905	{	1012	{
906	dREQ;	1013	dREQ;
907		1014
908	req->type = EIO_GROUP;	1015	req->type = EIO_GROUP;
909		1016
910	eio_submit (req);	1017	req_submit (req);
911	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1018	XPUSHs (req_sv (req, AIO_GRP_KLASS));
912	}	1019	}
913		1020
914	void	1021	void
915	aio_nop (SV *callback=&PL_sv_undef)	1022	aio_nop (SV *callback=&PL_sv_undef)
…		…
927		1034
928	int	1035	int
929	aioreq_pri (int pri = 0)	1036	aioreq_pri (int pri = 0)
930	PROTOTYPE: ;$	1037	PROTOTYPE: ;$
931	CODE:	1038	CODE:
932	RETVAL = next_pri - EIO_PRI_BIAS;	1039	RETVAL = next_pri;
933	if (items > 0)	1040	if (items > 0)
934	{	1041	{
935	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1042	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1043	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937	next_pri = pri + EIO_PRI_BIAS;	1044	next_pri = pri;
938	}	1045	}
939	OUTPUT:	1046	OUTPUT:
940	RETVAL	1047	RETVAL
941		1048
942	void	1049	void
943	aioreq_nice (int nice = 0)	1050	aioreq_nice (int nice = 0)
944	CODE:	1051	CODE:
945	nice = next_pri - nice;	1052	nice = next_pri - nice;
946	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1053	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1054	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948	next_pri = nice + EIO_PRI_BIAS;	1055	next_pri = nice;
949		1056
950	void	1057	void
951	flush ()	1058	flush ()
952	PROTOTYPE:	1059	PROTOTYPE:
953	CODE:	1060	CODE:
…		…
968		1075
969	int	1076	int
970	poll_fileno()	1077	poll_fileno()
971	PROTOTYPE:	1078	PROTOTYPE:
972	CODE:	1079	CODE:
973	RETVAL = respipe [0];	1080	RETVAL = s_epipe_fd (&respipe);
974	OUTPUT:	1081	OUTPUT:
975	RETVAL	1082	RETVAL
976		1083
977	int	1084	int
978	poll_cb(...)	1085	poll_cb(...)
…		…
1014		1121
1015	int	1122	int
1016	nthreads()	1123	nthreads()
1017	PROTOTYPE:	1124	PROTOTYPE:
1018	CODE:	1125	CODE:
1019	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1126	RETVAL = eio_nthreads ();
1020	RETVAL = started;
1021	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022	OUTPUT:	1127	OUTPUT:
1023	RETVAL	1128	RETVAL
1024		1129
		1130	int
		1131	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1132	PROTOTYPE: $$$$
		1133	CODE:
		1134	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1135	RETVAL = posix_fadvise (fh, offset, length, advice);
		1136	#else
		1137	RETVAL = errno = ENOSYS;
		1138	#endif
		1139	OUTPUT:
		1140	RETVAL
		1141
		1142	ssize_t
		1143	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1144	PROTOTYPE: $$$$
		1145	CODE:
		1146	eio_sendfile_sync (ofh, ifh, offset, count);
		1147
1025	void _on_next_submit (SV *cb)	1148	void _on_next_submit (SV *cb)
1026	CODE:	1149	CODE:
1027	SvREFCNT_dec (on_next_submit);	1150	SvREFCNT_dec (on_next_submit);
1028	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1151	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029		1152
…		…
1036	CODE:	1159	CODE:
1037	eio_cancel (req);	1160	eio_cancel (req);
1038		1161
1039	void	1162	void
1040	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1163	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1041	CODE:	1164	PPCODE:
		1165	{
		1166	if (GIMME_V != G_VOID)
		1167	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1168
		1169	if (items > 1)
		1170	{
		1171	SV *cb_cv =get_cb (callback);
		1172
1042	SvREFCNT_dec (req->callback);	1173	SvREFCNT_dec (req->callback);
1043	req->callback = newSVsv (callback);	1174	req->callback = SvREFCNT_inc (cb_cv);
		1175	}
		1176	}
1044		1177
1045	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1178	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046		1179
1047	void	1180	void
1048	add (aio_req grp, ...)	1181	add (aio_req grp, ...)
…		…
1080	AV *av;	1213	AV *av;
1081		1214
1082	grp->errorno = errno;	1215	grp->errorno = errno;
1083		1216
1084	av = newAV ();	1217	av = newAV ();
		1218	av_extend (av, items - 1);
1085		1219
1086	for (i = 1; i < items; ++i )	1220	for (i = 1; i < items; ++i )
1087	av_push (av, newSVsv (ST (i)));	1221	av_push (av, newSVsv (ST (i)));
1088		1222
1089	SvREFCNT_dec (grp->sv1);	1223	SvREFCNT_dec (grp->sv1);
…		…
1103	void	1237	void
1104	feed (aio_req grp, SV *callback=&PL_sv_undef)	1238	feed (aio_req grp, SV *callback=&PL_sv_undef)
1105	CODE:	1239	CODE:
1106	{	1240	{
1107	SvREFCNT_dec (grp->sv2);	1241	SvREFCNT_dec (grp->sv2);
1108	grp->sv2 = newSVsv (callback);	1242	grp->sv2 = newSVsv (callback);
		1243	grp->feed = aio_grp_feed;
1109		1244
1110	if (grp->int2 <= 0)	1245	if (grp->int2 <= 0)
1111	grp->int2 = 2;	1246	grp->int2 = 2;
1112		1247
1113	eio_grp_limit (grp, grp->int2);	1248	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 1.155 by root, Fri Jul 17 00:56:54 2009 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.155 by root, Fri Jul 17 00:56:54 2009 UTC