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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.154 by root, Wed Jul 15 01:39:15 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>
…		…
65	# include <signal.h>	67	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	68	# define EIO_STRUCT_DIRENT struct dirent
67		69
68	#endif	70	#endif
69		71
		72	/* perl stupidly overrides readdir and maybe others */
		73	/* with thread-unsafe versions, imagine that :( */
		74	#undef readdir
		75	#undef opendir
		76	#undef closedir
		77
70	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
71		79
72	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	81	#if IVSIZE >= 8
		82	# define VAL64 IV
74	# define SvVAL64 SvIV	83	# define SvVAL64 SvIV
		84	# define newSVval64 newSViv
75	#else	85	#else
		86	# define VAL64 NV
76	# define SvVAL64 SvNV	87	# define SvVAL64 SvNV
		88	# define newSVval64 newSVnv
77	#endif	89	#endif
		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	/*****************************************************************************/
78		103
79	static HV *stash;	104	static HV *stash;
80	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 */
81		108
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	109	#define AIO_REQ_KLASS "IO::AIO::REQ"
83	#define AIO_GRP_KLASS "IO::AIO::GRP"	110	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		111
85	#define EIO_COMMON \	112	#define EIO_REQ_MEMBERS \
86	SV *callback; \	113	SV *callback; \
87	SV sv1, sv2; \	114	SV sv1, sv2; \
88	STRLEN stroffset; \	115	STRLEN stroffset; \
89	SV *self	116	SV *self;
		117
		118	#define EIO_NO_WRAPPERS 1
90		119
91	#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
92		146
93	static int req_invoke (eio_req *req);	147	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	148	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	149	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	150	#define EIO_DESTROY(req) req_destroy (req)
99		151
100	enum {	152	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	153	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
105		157
106	typedef eio_req *aio_req;	158	typedef eio_req *aio_req;
107	typedef eio_req *aio_req_ornot;	159	typedef eio_req *aio_req_ornot;
108		160
109	static SV *on_next_submit;	161	static SV *on_next_submit;
110	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	162	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	163	static int max_outstanding;
112		164
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	165	static s_epipe respipe;
114		166
115	static void req_destroy (aio_req req);	167	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	168	static void req_cancel (aio_req req);
117		169
118	static void want_poll (void)	170	static void want_poll (void)
119	{	171	{
120	/* write a dummy byte to the pipe so fh becomes ready */	172	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	173	s_epipe_signal (&respipe);
122	}	174	}
123		175
124	static void done_poll (void)	176	static void done_poll (void)
125	{	177	{
126	/* read any signals sent by the worker threads */	178	/* read any signals sent by the worker threads */
127	char buf [4];	179	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	180	}
131		181
132	/* must be called at most once */	182	/* must be called at most once */
133	static SV req_sv (aio_req req, const char klass)	183	static SV req_sv (aio_req req, const char klass)
134	{	184	{
…		…
173		223
174	static void req_submit (eio_req *req)	224	static void req_submit (eio_req *req)
175	{	225	{
176	eio_submit (req);	226	eio_submit (req);
177		227
178	if (on_next_submit)	228	if (expect_false (on_next_submit))
179	{	229	{
180	dSP;	230	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	231	SV *cb = sv_2mortal (on_next_submit);
182		232
183	on_next_submit = 0;	233	on_next_submit = 0;
…		…
193	dSP;	243	dSP;
194		244
195	if (req->flags & FLAG_SV2_RO_OFF)	245	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	246	SvREADONLY_off (req->sv2);
197		247
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	248	if (!EIO_CANCELLED (req) && req->callback)
199	{	249	{
200	ENTER;	250	ENTER;
201	SAVETMPS;	251	SAVETMPS;
202	PUSHMARK (SP);	252	PUSHMARK (SP);
203	EXTEND (SP, 1);	253	EXTEND (SP, 1);
…		…
209	SV *rv = &PL_sv_undef;	259	SV *rv = &PL_sv_undef;
210		260
211	if (req->result >= 0)	261	if (req->result >= 0)
212	{	262	{
213	int i;	263	int i;
214	char *buf = req->ptr2;	264	char names = (char )req->ptr2;
		265	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
215	AV *av = newAV ();	266	AV *av = newAV ();
216		267
217	av_extend (av, req->result - 1);	268	av_extend (av, req->result - 1);
218		269
219	for (i = 0; i < req->result; ++i)	270	for (i = 0; i < req->result; ++i)
220	{	271	{
221	SV *sv = newSVpv (buf, 0);	272	if (req->int1 & EIO_READDIR_DENTS)
		273	{
		274	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		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
223	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);
224	buf += SvCUR (sv) + 1;	304	names += SvCUR (name) + 1;
		305	}
225	}	306	}
226		307
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	308	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	309	}
229		310
230	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))));
231	}	315	}
232	break;	316	break;
233		317
234	case EIO_OPEN:	318	case EIO_OPEN:
235	{	319	{
…		…
241	GV gv = (GV )sv_newmortal ();	325	GV gv = (GV )sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	326	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
243	char sym [64];	327	char sym [64];
244	int symlen;	328	int symlen;
245		329
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	331	gv_init (gv, stash, sym, symlen, 0);
248		332
249	symlen = snprintf (	333	symlen = snprintf (
250	sym,	334	sym,
251	sizeof (sym),	335	sizeof (sym),
252	"%s&=%d",	336	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	337	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	338	(int)req->result
255	);	339	);
256		340
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	341	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	342	fh = (SV *)gv;
259	}	343	}
…		…
280	case EIO_BUSY:	364	case EIO_BUSY:
281	break;	365	break;
282		366
283	case EIO_READLINK:	367	case EIO_READLINK:
284	if (req->result > 0)	368	if (req->result > 0)
285	{	369	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286	SvCUR_set (req->sv2, req->result);
287	*SvEND (req->sv2) = 0;
288	PUSHs (req->sv2);
289	}
290	break;	370	break;
291		371
292	case EIO_STAT:	372	case EIO_STAT:
293	case EIO_LSTAT:	373	case EIO_LSTAT:
294	case EIO_FSTAT:	374	case EIO_FSTAT:
…		…
297	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	377	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
298	PUSHs (sv_2mortal (newSViv (req->result)));	378	PUSHs (sv_2mortal (newSViv (req->result)));
299	break;	379	break;
300		380
301	case EIO_READ:	381	case EIO_READ:
		382	{
302	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));
303	*SvEND (req->sv2) = 0;	384	*SvEND (req->sv2) = 0;
		385	SvPOK_only (req->sv2);
		386	SvSETMAGIC (req->sv2);
304	PUSHs (sv_2mortal (newSViv (req->result)));	387	PUSHs (sv_2mortal (newSViv (req->result)));
		388	}
305	break;	389	break;
306		390
307	case EIO_DUP2:	391	case EIO_DUP2:
308	if (req->result > 0)	392	if (req->result > 0)
309	req->result = 0;	393	req->result = 0;
…		…
355	grp->sv2 = 0;	439	grp->sv2 = 0;
356		440
357	eio_grp_cancel (grp);	441	eio_grp_cancel (grp);
358	}	442	}
359		443
360	#ifdef USE_SOCKETS_AS_HANDLES
361	# define TO_SOCKET(x) (win32_get_osfhandle (x))
362	#else
363	# define TO_SOCKET(x) (x)
364	#endif
365
366	static void	444	static void
367	create_respipe (void)	445	create_respipe (void)
368	{	446	{
369	int old_readfd = respipe [0];
370
371	if (respipe [1] >= 0)
372	respipe_close (TO_SOCKET (respipe [1]));
373
374	#ifdef _WIN32
375	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376	#else
377	if (pipe (respipe))	447	if (s_epipe_renew (&respipe))
378	#endif
379	croak ("unable to initialize result pipe");	448	croak ("unable to initialize result pipe");
380
381	if (old_readfd >= 0)
382	{
383	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384	croak ("unable to initialize result pipe(2)");
385
386	respipe_close (respipe [0]);
387	respipe [0] = old_readfd;
388	}
389
390	#ifdef _WIN32
391	int arg = 1;
392	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394	#else
395	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397	#endif
398	croak ("unable to initialize result pipe(3)");
399
400	respipe_osf [0] = TO_SOCKET (respipe [0]);
401	respipe_osf [1] = TO_SOCKET (respipe [1]);
402	}	449	}
403		450
404	static void poll_wait (void)	451	static void poll_wait (void)
405	{	452	{
406	fd_set rfd;
407
408	while (eio_nreqs ())	453	while (eio_nreqs ())
409	{	454	{
410	int size;	455	int size;
411		456
412	X_LOCK (reslock);	457	X_LOCK (reslock);
…		…
414	X_UNLOCK (reslock);	459	X_UNLOCK (reslock);
415		460
416	if (size)	461	if (size)
417	return;	462	return;
418		463
419	maybe_start_thread ();	464	etp_maybe_start_thread ();
420		465
421	FD_ZERO (&rfd);	466	s_epipe_wait (&respipe);
422	FD_SET (respipe [0], &rfd);
423
424	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425	}	467	}
426	}	468	}
427		469
428	static int poll_cb (void)	470	static int poll_cb (void)
429	{	471	{
430	int res;	472	for (;;)
431
432	do
433	{	473	{
434	res = eio_poll ();	474	int res = eio_poll ();
435		475
436	if (res > 0)	476	if (res > 0)
437	croak (0);	477	croak (0);
		478
		479	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		480	return res;
		481
		482	poll_wait ();
438	}	483	}
439	while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441	return res;
442	}	484	}
443		485
444	static void atfork_child (void)	486	static void atfork_child (void)
445	{	487	{
446	create_respipe ();	488	create_respipe ();
447	}	489	}
448		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
449	#define dREQ \	498	#define dREQ \
		499	SV *cb_cv; \
450	aio_req req; \	500	aio_req req; \
451	int req_pri = next_pri; \	501	int req_pri = next_pri; \
452	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	502	next_pri = EIO_PRI_DEFAULT; \
453	\	503	\
454	if (SvOK (callback) && !SvROK (callback)) \	504	cb_cv = get_cb (callback); \
455	croak ("callback must be undef or of reference type"); \
456	\	505	\
457	Newz (0, req, 1, eio_req); \	506	Newz (0, req, 1, eio_req); \
458	if (!req) \	507	if (!req) \
459	croak ("out of memory during eio_req allocation"); \	508	croak ("out of memory during eio_req allocation"); \
460	\	509	\
461	req->callback = newSVsv (callback); \	510	req->callback = SvREFCNT_inc (cb_cv); \
462	req->pri = req_pri	511	req->pri = req_pri
463		512
464	#define REQ_SEND \	513	#define REQ_SEND \
		514	PUTBACK; \
465	req_submit (req); \	515	req_submit (req); \
		516	SPAGAIN; \
466	\	517	\
467	if (GIMME_V != G_VOID) \	518	if (GIMME_V != G_VOID) \
468	XPUSHs (req_sv (req, AIO_REQ_KLASS));	519	XPUSHs (req_sv (req, AIO_REQ_KLASS));
469		520
470	MODULE = IO::AIO PACKAGE = IO::AIO	521	MODULE = IO::AIO PACKAGE = IO::AIO
471		522
472	PROTOTYPES: ENABLE	523	PROTOTYPES: ENABLE
473		524
474	BOOT:	525	BOOT:
475	{	526	{
476	stash = gv_stashpv ("IO::AIO", 1);	527	static const struct {
477		528	const char *name;
478	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	529	IV iv;
479	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	530	} *civ, const_iv[] = {
480	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	531	# define const_iv(name, value) { # name, (IV) value },
481	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	532	# define const_eio(name) { # name, (IV) EIO_ ## name },
482	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)
483	#ifdef _WIN32	539	#ifndef _WIN32
484	X_MUTEX_CHECK (wrklock);	540	const_iv (S_IFIFO , S_IFIFO)
485	X_MUTEX_CHECK (reslock);
486	X_MUTEX_CHECK (reqlock);
487	X_MUTEX_CHECK (reqwait);
488	X_MUTEX_CHECK (preadwritelock);
489	X_MUTEX_CHECK (readdirlock);
490
491	X_COND_CHECK (reqwait);
492	#else
493	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
494	#endif	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)
495		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
496	create_respipe ();	574	create_respipe ();
497		575
498	if (eio_init (want_poll, done_poll) < 0)	576	if (eio_init (want_poll, done_poll) < 0)
499	croak ("IO::AIO: unable to initialise eio library");	577	croak ("IO::AIO: unable to initialise eio library");
500		578
501	/* atfork child called in fifo order, so before eio's handler */	579	/* atfork child called in fifo order, so before eio's handler */
502	X_THREAD_ATFORK (0, 0, atfork_child);	580	X_THREAD_ATFORK (0, 0, atfork_child);
503	}	581	}
504		582
505	void	583	void
506	max_poll_reqs (int nreqs)	584	max_poll_reqs (int nreqs)
507	PROTOTYPE: $	585	PROTOTYPE: $
…		…
560	ALIAS:	638	ALIAS:
561	aio_fsync = EIO_FSYNC	639	aio_fsync = EIO_FSYNC
562	aio_fdatasync = EIO_FDATASYNC	640	aio_fdatasync = EIO_FDATASYNC
563	PPCODE:	641	PPCODE:
564	{	642	{
		643	int fd = s_fileno_croak (fh, 0);
565	dREQ;	644	dREQ;
566		645
567	req->type = ix;	646	req->type = ix;
568	req->sv1 = newSVsv (fh);	647	req->sv1 = newSVsv (fh);
569	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: $$$$;$
		656	PPCODE:
		657	{
		658	int fd = s_fileno_croak (fh, 0);
		659	dREQ;
		660
		661	req->type = EIO_SYNC_FILE_RANGE;
		662	req->sv1 = newSVsv (fh);
		663	req->int1 = fd;
		664	req->offs = offset;
		665	req->size = nbytes;
		666	req->int2 = flags;
570		667
571	REQ_SEND (req);	668	REQ_SEND (req);
572	}	669	}
573		670
574	void	671	void
575	aio_close (SV fh, SV callback=&PL_sv_undef)	672	aio_close (SV fh, SV callback=&PL_sv_undef)
576	PROTOTYPE: $;$	673	PROTOTYPE: $;$
577	PPCODE:	674	PPCODE:
578	{	675	{
579	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	676	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		677	int fd = s_fileno_croak (fh, 0);
580	dREQ;	678	dREQ;
581		679
582	if (close_pipe < 0)	680	if (close_pipe < 0)
583	{	681	{
584	int pipefd [2];	682	int pipefd [2];
…		…
592	}	690	}
593		691
594	req->type = EIO_DUP2;	692	req->type = EIO_DUP2;
595	req->int1 = close_pipe;	693	req->int1 = close_pipe;
596	req->sv2 = newSVsv (fh);	694	req->sv2 = newSVsv (fh);
597	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	695	req->int2 = fd;
598		696
599	REQ_SEND (req);	697	REQ_SEND (req);
600	}	698	}
601		699
602	void	700	void
…		…
606	aio_write = EIO_WRITE	704	aio_write = EIO_WRITE
607	PROTOTYPE: $$$$$;$	705	PROTOTYPE: $$$$$;$
608	PPCODE:	706	PPCODE:
609	{	707	{
610	STRLEN svlen;	708	STRLEN svlen;
		709	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611	char *svptr = SvPVbyte (data, svlen);	710	char *svptr = SvPVbyte (data, svlen);
612	UV len = SvUV (length);	711	UV len = SvUV (length);
613
614	SvUPGRADE (data, SVt_PV);
615	SvPOK_on (data);
616		712
617	if (dataoffset < 0)	713	if (dataoffset < 0)
618	dataoffset += svlen;	714	dataoffset += svlen;
619		715
620	if (dataoffset < 0 \|\| dataoffset > svlen)	716	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
626	if (!SvOK (length) \|\| len + dataoffset > svlen)	722	if (!SvOK (length) \|\| len + dataoffset > svlen)
627	len = svlen - dataoffset;	723	len = svlen - dataoffset;
628	}	724	}
629	else	725	else
630	{	726	{
631	/* read: grow scalar as necessary */	727	/* read: check type and grow scalar as necessary */
		728	SvUPGRADE (data, SVt_PV);
632	svptr = SvGROW (data, len + dataoffset + 1);	729	svptr = SvGROW (data, len + dataoffset + 1);
633	}	730	}
634
635	if (len < 0)
636	croak ("length must not be negative");
637		731
638	{	732	{
639	dREQ;	733	dREQ;
640		734
641	req->type = ix;	735	req->type = ix;
642	req->sv1 = newSVsv (fh);	736	req->sv1 = newSVsv (fh);
643	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	737	req->int1 = fd;
644	: IoOFP (sv_2io (fh)));
645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	738	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646	req->size = len;	739	req->size = len;
647	req->sv2 = SvREFCNT_inc (data);	740	req->sv2 = SvREFCNT_inc (data);
648	req->ptr2 = (char *)svptr + dataoffset;	741	req->ptr2 = (char *)svptr + dataoffset;
649	req->stroffset = dataoffset;	742	req->stroffset = dataoffset;
…		…
664	PPCODE:	757	PPCODE:
665	{	758	{
666	SV *data;	759	SV *data;
667	dREQ;	760	dREQ;
668		761
669	data = newSV (NAME_MAX);
670	SvPOK_on (data);
671
672	req->type = EIO_READLINK;	762	req->type = EIO_READLINK;
673	req->sv1 = newSVsv (path);	763	req->sv1 = newSVsv (path);
674	req->ptr1 = SvPVbyte_nolen (req->sv1);	764	req->ptr1 = SvPVbyte_nolen (req->sv1);
675	req->sv2 = data;
676	req->ptr2 = SvPVbyte_nolen (data);
677		765
678	REQ_SEND;	766	REQ_SEND;
679	}	767	}
680		768
681	void	769	void
682	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)
683	PROTOTYPE: $$$$;$	771	PROTOTYPE: $$$$;$
684	PPCODE:	772	PPCODE:
685	{	773	{
		774	int ifd = s_fileno_croak (in_fh , 0);
		775	int ofd = s_fileno_croak (out_fh, 1);
686	dREQ;	776	dREQ;
687		777
688	req->type = EIO_SENDFILE;	778	req->type = EIO_SENDFILE;
689	req->sv1 = newSVsv (out_fh);	779	req->sv1 = newSVsv (out_fh);
690	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	780	req->int1 = ofd;
691	req->sv2 = newSVsv (in_fh);	781	req->sv2 = newSVsv (in_fh);
692	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	782	req->int2 = ifd;
693	req->offs = SvVAL64 (in_offset);	783	req->offs = in_offset;
694	req->size = length;	784	req->size = length;
695		785
696	REQ_SEND;	786	REQ_SEND;
697	}	787	}
698		788
699	void	789	void
700	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	790	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
701	PROTOTYPE: $$$;$	791	PROTOTYPE: $$$;$
702	PPCODE:	792	PPCODE:
703	{	793	{
		794	int fd = s_fileno_croak (fh, 0);
704	dREQ;	795	dREQ;
705		796
706	req->type = EIO_READAHEAD;	797	req->type = EIO_READAHEAD;
707	req->sv1 = newSVsv (fh);	798	req->sv1 = newSVsv (fh);
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	799	req->int1 = fd;
709	req->offs = SvVAL64 (offset);	800	req->offs = offset;
710	req->size = length;	801	req->size = length;
711		802
712	REQ_SEND;	803	REQ_SEND;
713	}	804	}
714		805
…		…
719	aio_lstat = EIO_LSTAT	810	aio_lstat = EIO_LSTAT
720	PPCODE:	811	PPCODE:
721	{	812	{
722	dREQ;	813	dREQ;
723		814
724	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
725	if (!req->ptr2)
726	{
727	req_destroy (req);
728	croak ("out of memory during aio_stat statdata allocation");
729	}
730
731	req->flags \|= EIO_FLAG_PTR2_FREE;
732	req->sv1 = newSVsv (fh_or_path);	815	req->sv1 = newSVsv (fh_or_path);
733		816
734	if (SvPOK (fh_or_path))	817	if (SvPOK (req->sv1))
735	{	818	{
736	req->type = ix;	819	req->type = ix;
737	req->ptr1 = SvPVbyte_nolen (req->sv1);	820	req->ptr1 = SvPVbyte_nolen (req->sv1);
738	}	821	}
739	else	822	else
…		…
753		836
754	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	837	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	838	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756	req->sv1 = newSVsv (fh_or_path);	839	req->sv1 = newSVsv (fh_or_path);
757		840
758	if (SvPOK (fh_or_path))	841	if (SvPOK (req->sv1))
759	{	842	{
760	req->type = EIO_UTIME;	843	req->type = EIO_UTIME;
761	req->ptr1 = SvPVbyte_nolen (req->sv1);	844	req->ptr1 = SvPVbyte_nolen (req->sv1);
762	}	845	}
763	else	846	else
…		…
776	dREQ;	859	dREQ;
777		860
778	req->sv1 = newSVsv (fh_or_path);	861	req->sv1 = newSVsv (fh_or_path);
779	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	862	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780		863
781	if (SvPOK (fh_or_path))	864	if (SvPOK (req->sv1))
782	{	865	{
783	req->type = EIO_TRUNCATE;	866	req->type = EIO_TRUNCATE;
784	req->ptr1 = SvPVbyte_nolen (req->sv1);	867	req->ptr1 = SvPVbyte_nolen (req->sv1);
785	}	868	}
786	else	869	else
…		…
794		877
795	void	878	void
796	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)
797	ALIAS:	880	ALIAS:
798	aio_chmod = EIO_CHMOD	881	aio_chmod = EIO_CHMOD
799	aio_fchmod = EIO_FCHMOD
800	aio_mkdir = EIO_MKDIR	882	aio_mkdir = EIO_MKDIR
801	PPCODE:	883	PPCODE:
802	{	884	{
803	dREQ;	885	dREQ;
804		886
805	req->type = ix;
806	req->int2 = mode;	887	req->int2 = mode;
807	req->sv1 = newSVsv (fh_or_path);	888	req->sv1 = newSVsv (fh_or_path);
808		889
809	if (ix == EIO_FCHMOD)	890	if (SvPOK (req->sv1))
810	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	891	{
		892	req->type = ix;
		893	req->ptr1 = SvPVbyte_nolen (req->sv1);
		894	}
811	else	895	else
812	req->ptr1 = SvPVbyte_nolen (req->sv1);	896	{
		897	req->type = EIO_FCHMOD;
		898	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		899	}
813		900
814	REQ_SEND;	901	REQ_SEND;
815	}	902	}
816		903
817	void	904	void
…		…
822		909
823	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	910	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	911	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825	req->sv1 = newSVsv (fh_or_path);	912	req->sv1 = newSVsv (fh_or_path);
826		913
827	if (SvPOK (fh_or_path))	914	if (SvPOK (req->sv1))
828	{	915	{
829	req->type = EIO_CHOWN;	916	req->type = EIO_CHOWN;
830	req->ptr1 = SvPVbyte_nolen (req->sv1);	917	req->ptr1 = SvPVbyte_nolen (req->sv1);
831	}	918	}
832	else	919	else
…		…
834	req->type = EIO_FCHOWN;	921	req->type = EIO_FCHOWN;
835	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	922	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
836	}	923	}
837		924
838	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;
839	}	943	}
840		944
841	void	945	void
842	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	946	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
843	ALIAS:	947	ALIAS:
…		…
908	{	1012	{
909	dREQ;	1013	dREQ;
910		1014
911	req->type = EIO_GROUP;	1015	req->type = EIO_GROUP;
912		1016
913	eio_submit (req);	1017	req_submit (req);
914	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1018	XPUSHs (req_sv (req, AIO_GRP_KLASS));
915	}	1019	}
916		1020
917	void	1021	void
918	aio_nop (SV *callback=&PL_sv_undef)	1022	aio_nop (SV *callback=&PL_sv_undef)
…		…
930		1034
931	int	1035	int
932	aioreq_pri (int pri = 0)	1036	aioreq_pri (int pri = 0)
933	PROTOTYPE: ;$	1037	PROTOTYPE: ;$
934	CODE:	1038	CODE:
935	RETVAL = next_pri - EIO_PRI_BIAS;	1039	RETVAL = next_pri;
936	if (items > 0)	1040	if (items > 0)
937	{	1041	{
938	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1042	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1043	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940	next_pri = pri + EIO_PRI_BIAS;	1044	next_pri = pri;
941	}	1045	}
942	OUTPUT:	1046	OUTPUT:
943	RETVAL	1047	RETVAL
944		1048
945	void	1049	void
946	aioreq_nice (int nice = 0)	1050	aioreq_nice (int nice = 0)
947	CODE:	1051	CODE:
948	nice = next_pri - nice;	1052	nice = next_pri - nice;
949	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1053	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1054	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951	next_pri = nice + EIO_PRI_BIAS;	1055	next_pri = nice;
952		1056
953	void	1057	void
954	flush ()	1058	flush ()
955	PROTOTYPE:	1059	PROTOTYPE:
956	CODE:	1060	CODE:
…		…
971		1075
972	int	1076	int
973	poll_fileno()	1077	poll_fileno()
974	PROTOTYPE:	1078	PROTOTYPE:
975	CODE:	1079	CODE:
976	RETVAL = respipe [0];	1080	RETVAL = s_epipe_fd (&respipe);
977	OUTPUT:	1081	OUTPUT:
978	RETVAL	1082	RETVAL
979		1083
980	int	1084	int
981	poll_cb(...)	1085	poll_cb(...)
…		…
1017		1121
1018	int	1122	int
1019	nthreads()	1123	nthreads()
1020	PROTOTYPE:	1124	PROTOTYPE:
1021	CODE:	1125	CODE:
1022	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1126	RETVAL = eio_nthreads ();
1023	RETVAL = started;
1024	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025	OUTPUT:	1127	OUTPUT:
1026	RETVAL	1128	RETVAL
1027		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
1028	void _on_next_submit (SV *cb)	1148	void _on_next_submit (SV *cb)
1029	CODE:	1149	CODE:
1030	SvREFCNT_dec (on_next_submit);	1150	SvREFCNT_dec (on_next_submit);
1031	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1151	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1032		1152
…		…
1039	CODE:	1159	CODE:
1040	eio_cancel (req);	1160	eio_cancel (req);
1041		1161
1042	void	1162	void
1043	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1163	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1044	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
1045	SvREFCNT_dec (req->callback);	1173	SvREFCNT_dec (req->callback);
1046	req->callback = newSVsv (callback);	1174	req->callback = SvREFCNT_inc (cb_cv);
		1175	}
		1176	}
1047		1177
1048	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1178	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049		1179
1050	void	1180	void
1051	add (aio_req grp, ...)	1181	add (aio_req grp, ...)
…		…
1083	AV *av;	1213	AV *av;
1084		1214
1085	grp->errorno = errno;	1215	grp->errorno = errno;
1086		1216
1087	av = newAV ();	1217	av = newAV ();
		1218	av_extend (av, items - 1);
1088		1219
1089	for (i = 1; i < items; ++i )	1220	for (i = 1; i < items; ++i )
1090	av_push (av, newSVsv (ST (i)));	1221	av_push (av, newSVsv (ST (i)));
1091		1222
1092	SvREFCNT_dec (grp->sv1);	1223	SvREFCNT_dec (grp->sv1);
…		…
1106	void	1237	void
1107	feed (aio_req grp, SV *callback=&PL_sv_undef)	1238	feed (aio_req grp, SV *callback=&PL_sv_undef)
1108	CODE:	1239	CODE:
1109	{	1240	{
1110	SvREFCNT_dec (grp->sv2);	1241	SvREFCNT_dec (grp->sv2);
1111	grp->sv2 = newSVsv (callback);	1242	grp->sv2 = newSVsv (callback);
		1243	grp->feed = aio_grp_feed;
1112		1244
1113	if (grp->int2 <= 0)	1245	if (grp->int2 <= 0)
1114	grp->int2 = 2;	1246	grp->int2 = 2;
1115		1247
1116	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 1.118 by root, Sun May 11 00:01:03 2008 UTC vs. Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC