[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 1.151 by root, Tue Jul 14 00:13:36 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 */
…		…
101	#include "libeio/eio.c"	156	#include "libeio/eio.c"
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 unsigned int max_outstanding = 0x7fffffff;	161	static SV *on_next_submit;
107		162	static int next_pri = EIO_PRI_DEFAULT;
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	163	static int max_outstanding;
109		164
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	165	static int respipe_osf [2], respipe [2] = { -1, -1 };
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);
…		…
166	FREETMPS;	221	FREETMPS;
167	LEAVE;	222	LEAVE;
168	}	223	}
169	}	224	}
170		225
		226	static void req_submit (eio_req *req)
		227	{
		228	eio_submit (req);
		229
		230	if (expect_false (on_next_submit))
		231	{
		232	dSP;
		233	SV *cb = sv_2mortal (on_next_submit);
		234
		235	on_next_submit = 0;
		236
		237	PUSHMARK (SP);
		238	PUTBACK;
		239	call_sv (cb, G_DISCARD \| G_EVAL);
		240	}
		241	}
		242
171	static int req_invoke (eio_req *req)	243	static int req_invoke (eio_req *req)
172	{	244	{
173	dSP;	245	dSP;
174		246
175	if (req->flags & FLAG_SV2_RO_OFF)	247	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	248	SvREADONLY_off (req->sv2);
177		249
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	250	if (!EIO_CANCELLED (req) && req->callback)
179	{	251	{
180	ENTER;	252	ENTER;
181	SAVETMPS;	253	SAVETMPS;
182	PUSHMARK (SP);	254	PUSHMARK (SP);
183	EXTEND (SP, 1);	255	EXTEND (SP, 1);
…		…
189	SV *rv = &PL_sv_undef;	261	SV *rv = &PL_sv_undef;
190		262
191	if (req->result >= 0)	263	if (req->result >= 0)
192	{	264	{
193	int i;	265	int i;
194	char *buf = req->ptr2;	266	char names = (char )req->ptr2;
		267	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
195	AV *av = newAV ();	268	AV *av = newAV ();
196		269
197	av_extend (av, req->result - 1);	270	av_extend (av, req->result - 1);
198		271
199	for (i = 0; i < req->result; ++i)	272	for (i = 0; i < req->result; ++i)
200	{	273	{
201	SV *sv = newSVpv (buf, 0);	274	if (req->int1 & EIO_READDIR_DENTS)
		275	{
		276	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		277
		278	if (req->int1 & EIO_READDIR_CUSTOM2)
		279	{
		280	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		281	AV *avent = newAV ();
		282
		283	av_extend (avent, 2);
		284
		285	if (!sv_type [ent->type])
		286	{
		287	sv_type [ent->type] = newSViv (ent->type);
		288	SvREADONLY_on (sv_type [ent->type]);
		289	}
		290
		291	av_store (avent, 0, namesv);
		292	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		293	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		294
		295	av_store (av, i, newRV_noinc ((SV *)avent));
		296	}
		297	else
203	av_store (av, i, sv);	298	av_store (av, i, namesv);
		299
		300	++ent;
		301	}
		302	else
		303	{
		304	SV *name = newSVpv (names, 0);
		305	av_store (av, i, name);
204	buf += SvCUR (sv) + 1;	306	names += SvCUR (name) + 1;
		307	}
205	}	308	}
206		309
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	310	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	311	}
209		312
210	PUSHs (rv);	313	PUSHs (rv);
		314
		315	if (req->int1 & EIO_READDIR_CUSTOM1)
		316	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
211	}	317	}
212	break;	318	break;
213		319
214	case EIO_OPEN:	320	case EIO_OPEN:
215	{	321	{
…		…
221	GV gv = (GV )sv_newmortal ();	327	GV gv = (GV )sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	328	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
223	char sym [64];	329	char sym [64];
224	int symlen;	330	int symlen;
225		331
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	332	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	333	gv_init (gv, stash, sym, symlen, 0);
228		334
229	symlen = snprintf (	335	symlen = snprintf (
230	sym,	336	sym,
231	sizeof (sym),	337	sizeof (sym),
232	"%s&=%d",	338	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	339	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	340	(int)req->result
235	);	341	);
236		342
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	343	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	344	fh = (SV *)gv;
239	}	345	}
…		…
260	case EIO_BUSY:	366	case EIO_BUSY:
261	break;	367	break;
262		368
263	case EIO_READLINK:	369	case EIO_READLINK:
264	if (req->result > 0)	370	if (req->result > 0)
265	{	371	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;	372	break;
271		373
272	case EIO_STAT:	374	case EIO_STAT:
273	case EIO_LSTAT:	375	case EIO_LSTAT:
274	case EIO_FSTAT:	376	case EIO_FSTAT:
…		…
277	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	379	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	380	PUSHs (sv_2mortal (newSViv (req->result)));
279	break;	381	break;
280		382
281	case EIO_READ:	383	case EIO_READ:
		384	{
282	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	385	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283	*SvEND (req->sv2) = 0;	386	*SvEND (req->sv2) = 0;
		387	SvPOK_only (req->sv2);
		388	SvSETMAGIC (req->sv2);
284	PUSHs (sv_2mortal (newSViv (req->result)));	389	PUSHs (sv_2mortal (newSViv (req->result)));
		390	}
285	break;	391	break;
286		392
287	case EIO_DUP2:	393	case EIO_DUP2:
288	if (req->result > 0)	394	if (req->result > 0)
289	req->result = 0;	395	req->result = 0;
…		…
394	X_UNLOCK (reslock);	500	X_UNLOCK (reslock);
395		501
396	if (size)	502	if (size)
397	return;	503	return;
398		504
399	maybe_start_thread ();	505	etp_maybe_start_thread ();
400		506
401	FD_ZERO (&rfd);	507	FD_ZERO (&rfd);
402	FD_SET (respipe [0], &rfd);	508	FD_SET (respipe [0], &rfd);
403		509
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	510	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	511	}
406	}	512	}
407		513
408	static int poll_cb (void)	514	static int poll_cb (void)
409	{	515	{
		516	for (;;)
		517	{
410	int res = eio_poll ();	518	int res = eio_poll ();
411		519
412	if (res > 0)	520	if (res > 0)
413	croak (0);	521	croak (0);
414		522
		523	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
415	return res;	524	return res;
		525
		526	poll_wait ();
		527	}
		528	}
		529
		530	static void atfork_child (void)
		531	{
		532	create_respipe ();
		533	}
		534
		535	static SV *
		536	get_cb (SV *cb_sv)
		537	{
		538	HV *st;
		539	GV *gvp;
		540	CV *cv;
		541
		542	if (!SvOK (cb_sv))
		543	return 0;
		544
		545	cv = sv_2cv (cb_sv, &st, &gvp, 0);
		546
		547	if (!cv)
		548	croak ("IO::AIO callback must be undef or a CODE reference");
		549
		550	return (SV *)cv;
416	}	551	}
417		552
418	#define dREQ \	553	#define dREQ \
		554	SV *cb_cv; \
419	aio_req req; \	555	aio_req req; \
420	int req_pri = next_pri; \	556	int req_pri = next_pri; \
421	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	557	next_pri = EIO_PRI_DEFAULT; \
422	\	558	\
423	if (SvOK (callback) && !SvROK (callback)) \	559	cb_cv = get_cb (callback); \
424	croak ("callback must be undef or of reference type"); \
425	\	560	\
426	Newz (0, req, 1, eio_req); \	561	Newz (0, req, 1, eio_req); \
427	if (!req) \	562	if (!req) \
428	croak ("out of memory during eio_req allocation"); \	563	croak ("out of memory during eio_req allocation"); \
429	\	564	\
430	req->callback = newSVsv (callback); \	565	req->callback = SvREFCNT_inc (cb_cv); \
431	req->pri = req_pri	566	req->pri = req_pri
432		567
433	#define REQ_SEND \	568	#define REQ_SEND \
		569	PUTBACK; \
434	eio_submit (req); \	570	req_submit (req); \
		571	SPAGAIN; \
435	\	572	\
436	if (GIMME_V != G_VOID) \	573	if (GIMME_V != G_VOID) \
437	XPUSHs (req_sv (req, AIO_REQ_KLASS));	574	XPUSHs (req_sv (req, AIO_REQ_KLASS));
438		575
439	MODULE = IO::AIO PACKAGE = IO::AIO	576	MODULE = IO::AIO PACKAGE = IO::AIO
440		577
441	PROTOTYPES: ENABLE	578	PROTOTYPES: ENABLE
442		579
443	BOOT:	580	BOOT:
444	{	581	{
445	stash = gv_stashpv ("IO::AIO", 1);	582	static const struct {
446		583	const char *name;
447	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	584	IV iv;
448	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	585	} *civ, const_iv[] = {
449	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	586	# define const_iv(name, value) { # name, (IV) value },
450	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	587	# define const_eio(name) { # name, (IV) EIO_ ## name },
451	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	588	const_iv (EXDEV , EXDEV)
		589	const_iv (ENOSYS , ENOSYS)
		590	const_iv (O_RDONLY, O_RDONLY)
		591	const_iv (O_WRONLY, O_WRONLY)
		592	const_iv (O_CREAT , O_CREAT)
		593	const_iv (O_TRUNC , O_TRUNC)
452	#ifdef _WIN32	594	#ifndef _WIN32
453	X_MUTEX_CHECK (wrklock);	595	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	596	#endif
		597	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		598	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		599	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		600	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		601	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		602	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
464		603
		604	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		605	const_eio (SYNC_FILE_RANGE_WRITE)
		606	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		607
		608	const_eio (READDIR_DENTS)
		609	const_eio (READDIR_DIRS_FIRST)
		610	const_eio (READDIR_STAT_ORDER)
		611	const_eio (READDIR_FOUND_UNKNOWN)
		612
		613	const_eio (DT_UNKNOWN)
		614	const_eio (DT_FIFO)
		615	const_eio (DT_CHR)
		616	const_eio (DT_DIR)
		617	const_eio (DT_BLK)
		618	const_eio (DT_REG)
		619	const_eio (DT_LNK)
		620	const_eio (DT_SOCK)
		621	const_eio (DT_WHT)
		622	};
		623
		624	stash = gv_stashpv ("IO::AIO", 1);
		625
		626	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		627	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		628
465	create_respipe ();	629	create_respipe ();
466		630
467	if (eio_init (want_poll, done_poll) < 0)	631	if (eio_init (want_poll, done_poll) < 0)
468	croak ("IO::AIO: unable to initialise eio library");	632	croak ("IO::AIO: unable to initialise eio library");
		633
		634	/* atfork child called in fifo order, so before eio's handler */
		635	X_THREAD_ATFORK (0, 0, atfork_child);
469	}	636	}
470		637
471	void	638	void
472	max_poll_reqs (int nreqs)	639	max_poll_reqs (int nreqs)
473	PROTOTYPE: $	640	PROTOTYPE: $
…		…
526	ALIAS:	693	ALIAS:
527	aio_fsync = EIO_FSYNC	694	aio_fsync = EIO_FSYNC
528	aio_fdatasync = EIO_FDATASYNC	695	aio_fdatasync = EIO_FDATASYNC
529	PPCODE:	696	PPCODE:
530	{	697	{
		698	int fd = s_fileno_croak (fh, 0);
531	dREQ;	699	dREQ;
532		700
533	req->type = ix;	701	req->type = ix;
534	req->sv1 = newSVsv (fh);	702	req->sv1 = newSVsv (fh);
535	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	703	req->int1 = fd;
		704
		705	REQ_SEND (req);
		706	}
		707
		708	void
		709	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		710	PROTOTYPE: $$$$;$
		711	PPCODE:
		712	{
		713	int fd = s_fileno_croak (fh, 0);
		714	dREQ;
		715
		716	req->type = EIO_SYNC_FILE_RANGE;
		717	req->sv1 = newSVsv (fh);
		718	req->int1 = fd;
		719	req->offs = offset;
		720	req->size = nbytes;
		721	req->int2 = flags;
536		722
537	REQ_SEND (req);	723	REQ_SEND (req);
538	}	724	}
539		725
540	void	726	void
541	aio_close (SV fh, SV callback=&PL_sv_undef)	727	aio_close (SV fh, SV callback=&PL_sv_undef)
542	PROTOTYPE: $;$	728	PROTOTYPE: $;$
543	PPCODE:	729	PPCODE:
544	{	730	{
545	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	731	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		732	int fd = s_fileno_croak (fh, 0);
546	dREQ;	733	dREQ;
547		734
548	if (close_pipe < 0)	735	if (close_pipe < 0)
549	{	736	{
550	int pipefd [2];	737	int pipefd [2];
…		…
558	}	745	}
559		746
560	req->type = EIO_DUP2;	747	req->type = EIO_DUP2;
561	req->int1 = close_pipe;	748	req->int1 = close_pipe;
562	req->sv2 = newSVsv (fh);	749	req->sv2 = newSVsv (fh);
563	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	750	req->int2 = fd;
564		751
565	REQ_SEND (req);	752	REQ_SEND (req);
566	}	753	}
567		754
568	void	755	void
…		…
572	aio_write = EIO_WRITE	759	aio_write = EIO_WRITE
573	PROTOTYPE: $$$$$;$	760	PROTOTYPE: $$$$$;$
574	PPCODE:	761	PPCODE:
575	{	762	{
576	STRLEN svlen;	763	STRLEN svlen;
		764	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
577	char *svptr = SvPVbyte (data, svlen);	765	char *svptr = SvPVbyte (data, svlen);
578	UV len = SvUV (length);	766	UV len = SvUV (length);
579
580	SvUPGRADE (data, SVt_PV);
581	SvPOK_on (data);
582		767
583	if (dataoffset < 0)	768	if (dataoffset < 0)
584	dataoffset += svlen;	769	dataoffset += svlen;
585		770
586	if (dataoffset < 0 \|\| dataoffset > svlen)	771	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
592	if (!SvOK (length) \|\| len + dataoffset > svlen)	777	if (!SvOK (length) \|\| len + dataoffset > svlen)
593	len = svlen - dataoffset;	778	len = svlen - dataoffset;
594	}	779	}
595	else	780	else
596	{	781	{
597	/* read: grow scalar as necessary */	782	/* read: check type and grow scalar as necessary */
		783	SvUPGRADE (data, SVt_PV);
598	svptr = SvGROW (data, len + dataoffset + 1);	784	svptr = SvGROW (data, len + dataoffset + 1);
599	}	785	}
600
601	if (len < 0)
602	croak ("length must not be negative");
603		786
604	{	787	{
605	dREQ;	788	dREQ;
606		789
607	req->type = ix;	790	req->type = ix;
608	req->sv1 = newSVsv (fh);	791	req->sv1 = newSVsv (fh);
609	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	792	req->int1 = fd;
610	: IoOFP (sv_2io (fh)));
611	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	793	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
612	req->size = len;	794	req->size = len;
613	req->sv2 = SvREFCNT_inc (data);	795	req->sv2 = SvREFCNT_inc (data);
614	req->ptr2 = (char *)svptr + dataoffset;	796	req->ptr2 = (char *)svptr + dataoffset;
615	req->stroffset = dataoffset;	797	req->stroffset = dataoffset;
…		…
630	PPCODE:	812	PPCODE:
631	{	813	{
632	SV *data;	814	SV *data;
633	dREQ;	815	dREQ;
634		816
635	data = newSV (NAME_MAX);
636	SvPOK_on (data);
637
638	req->type = EIO_READLINK;	817	req->type = EIO_READLINK;
639	req->sv1 = newSVsv (path);	818	req->sv1 = newSVsv (path);
640	req->ptr1 = SvPVbyte_nolen (req->sv1);	819	req->ptr1 = SvPVbyte_nolen (req->sv1);
641	req->sv2 = data;
642	req->ptr2 = SvPVbyte_nolen (data);
643		820
644	REQ_SEND;	821	REQ_SEND;
645	}	822	}
646		823
647	void	824	void
648	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	825	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
649	PROTOTYPE: $$$$;$	826	PROTOTYPE: $$$$;$
650	PPCODE:	827	PPCODE:
651	{	828	{
		829	int ifd = s_fileno_croak (in_fh , 0);
		830	int ofd = s_fileno_croak (out_fh, 1);
652	dREQ;	831	dREQ;
653		832
654	req->type = EIO_SENDFILE;	833	req->type = EIO_SENDFILE;
655	req->sv1 = newSVsv (out_fh);	834	req->sv1 = newSVsv (out_fh);
656	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	835	req->int1 = ofd;
657	req->sv2 = newSVsv (in_fh);	836	req->sv2 = newSVsv (in_fh);
658	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	837	req->int2 = ifd;
659	req->offs = SvVAL64 (in_offset);	838	req->offs = in_offset;
660	req->size = length;	839	req->size = length;
661		840
662	REQ_SEND;	841	REQ_SEND;
663	}	842	}
664		843
665	void	844	void
666	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	845	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
667	PROTOTYPE: $$$;$	846	PROTOTYPE: $$$;$
668	PPCODE:	847	PPCODE:
669	{	848	{
		849	int fd = s_fileno_croak (fh, 0);
670	dREQ;	850	dREQ;
671		851
672	req->type = EIO_READAHEAD;	852	req->type = EIO_READAHEAD;
673	req->sv1 = newSVsv (fh);	853	req->sv1 = newSVsv (fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	854	req->int1 = fd;
675	req->offs = SvVAL64 (offset);	855	req->offs = offset;
676	req->size = length;	856	req->size = length;
677		857
678	REQ_SEND;	858	REQ_SEND;
679	}	859	}
680		860
…		…
685	aio_lstat = EIO_LSTAT	865	aio_lstat = EIO_LSTAT
686	PPCODE:	866	PPCODE:
687	{	867	{
688	dREQ;	868	dREQ;
689		869
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);	870	req->sv1 = newSVsv (fh_or_path);
699		871
700	if (SvPOK (fh_or_path))	872	if (SvPOK (req->sv1))
701	{	873	{
702	req->type = ix;	874	req->type = ix;
703	req->ptr1 = SvPVbyte_nolen (req->sv1);	875	req->ptr1 = SvPVbyte_nolen (req->sv1);
704	}	876	}
705	else	877	else
…		…
719		891
720	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	892	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
721	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	893	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
722	req->sv1 = newSVsv (fh_or_path);	894	req->sv1 = newSVsv (fh_or_path);
723		895
724	if (SvPOK (fh_or_path))	896	if (SvPOK (req->sv1))
725	{	897	{
726	req->type = EIO_UTIME;	898	req->type = EIO_UTIME;
727	req->ptr1 = SvPVbyte_nolen (req->sv1);	899	req->ptr1 = SvPVbyte_nolen (req->sv1);
728	}	900	}
729	else	901	else
…		…
742	dREQ;	914	dREQ;
743		915
744	req->sv1 = newSVsv (fh_or_path);	916	req->sv1 = newSVsv (fh_or_path);
745	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	917	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
746		918
747	if (SvPOK (fh_or_path))	919	if (SvPOK (req->sv1))
748	{	920	{
749	req->type = EIO_TRUNCATE;	921	req->type = EIO_TRUNCATE;
750	req->ptr1 = SvPVbyte_nolen (req->sv1);	922	req->ptr1 = SvPVbyte_nolen (req->sv1);
751	}	923	}
752	else	924	else
…		…
760		932
761	void	933	void
762	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	934	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
763	ALIAS:	935	ALIAS:
764	aio_chmod = EIO_CHMOD	936	aio_chmod = EIO_CHMOD
765	aio_fchmod = EIO_FCHMOD
766	aio_mkdir = EIO_MKDIR	937	aio_mkdir = EIO_MKDIR
767	PPCODE:	938	PPCODE:
768	{	939	{
769	dREQ;	940	dREQ;
770		941
771	req->type = ix;
772	req->int2 = mode;	942	req->int2 = mode;
773	req->sv1 = newSVsv (fh_or_path);	943	req->sv1 = newSVsv (fh_or_path);
774		944
775	if (ix == EIO_FCHMOD)	945	if (SvPOK (req->sv1))
776	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	946	{
		947	req->type = ix;
		948	req->ptr1 = SvPVbyte_nolen (req->sv1);
		949	}
777	else	950	else
778	req->ptr1 = SvPVbyte_nolen (req->sv1);	951	{
		952	req->type = EIO_FCHMOD;
		953	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		954	}
779		955
780	REQ_SEND;	956	REQ_SEND;
781	}	957	}
782		958
783	void	959	void
…		…
788		964
789	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	965	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
790	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	966	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
791	req->sv1 = newSVsv (fh_or_path);	967	req->sv1 = newSVsv (fh_or_path);
792		968
793	if (SvPOK (fh_or_path))	969	if (SvPOK (req->sv1))
794	{	970	{
795	req->type = EIO_CHOWN;	971	req->type = EIO_CHOWN;
796	req->ptr1 = SvPVbyte_nolen (req->sv1);	972	req->ptr1 = SvPVbyte_nolen (req->sv1);
797	}	973	}
798	else	974	else
…		…
800	req->type = EIO_FCHOWN;	976	req->type = EIO_FCHOWN;
801	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	977	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
802	}	978	}
803		979
804	REQ_SEND;	980	REQ_SEND;
		981	}
		982
		983	void
		984	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		985	PPCODE:
		986	{
		987	dREQ;
		988
		989	req->type = EIO_READDIR;
		990	req->sv1 = newSVsv (pathname);
		991	req->ptr1 = SvPVbyte_nolen (req->sv1);
		992	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		993
		994	if (flags & EIO_READDIR_DENTS)
		995	req->int1 \|= EIO_READDIR_CUSTOM2;
		996
		997	REQ_SEND;
805	}	998	}
806		999
807	void	1000	void
808	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1001	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
809	ALIAS:	1002	ALIAS:
…		…
874	{	1067	{
875	dREQ;	1068	dREQ;
876		1069
877	req->type = EIO_GROUP;	1070	req->type = EIO_GROUP;
878		1071
879	eio_submit (req);	1072	req_submit (req);
880	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1073	XPUSHs (req_sv (req, AIO_GRP_KLASS));
881	}	1074	}
882		1075
883	void	1076	void
884	aio_nop (SV *callback=&PL_sv_undef)	1077	aio_nop (SV *callback=&PL_sv_undef)
…		…
896		1089
897	int	1090	int
898	aioreq_pri (int pri = 0)	1091	aioreq_pri (int pri = 0)
899	PROTOTYPE: ;$	1092	PROTOTYPE: ;$
900	CODE:	1093	CODE:
901	RETVAL = next_pri - EIO_PRI_BIAS;	1094	RETVAL = next_pri;
902	if (items > 0)	1095	if (items > 0)
903	{	1096	{
904	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1097	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
905	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1098	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
906	next_pri = pri + EIO_PRI_BIAS;	1099	next_pri = pri;
907	}	1100	}
908	OUTPUT:	1101	OUTPUT:
909	RETVAL	1102	RETVAL
910		1103
911	void	1104	void
912	aioreq_nice (int nice = 0)	1105	aioreq_nice (int nice = 0)
913	CODE:	1106	CODE:
914	nice = next_pri - nice;	1107	nice = next_pri - nice;
915	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1108	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
916	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1109	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
917	next_pri = nice + EIO_PRI_BIAS;	1110	next_pri = nice;
918		1111
919	void	1112	void
920	flush ()	1113	flush ()
921	PROTOTYPE:	1114	PROTOTYPE:
922	CODE:	1115	CODE:
923	while (nreqs)	1116	while (eio_nreqs ())
924	{	1117	{
925	poll_wait ();	1118	poll_wait ();
926	poll_cb ();	1119	poll_cb ();
927	}	1120	}
928		1121
…		…
983		1176
984	int	1177	int
985	nthreads()	1178	nthreads()
986	PROTOTYPE:	1179	PROTOTYPE:
987	CODE:	1180	CODE:
988	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1181	RETVAL = eio_nthreads ();
989	RETVAL = started;
990	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
991	OUTPUT:	1182	OUTPUT:
992	RETVAL	1183	RETVAL
993		1184
		1185	int
		1186	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1187	PROTOTYPE: $$$$
		1188	CODE:
		1189	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1190	RETVAL = posix_fadvise (fh, offset, length, advice);
		1191	#else
		1192	RETVAL = errno = ENOSYS;
		1193	#endif
		1194	OUTPUT:
		1195	RETVAL
		1196
		1197	ssize_t
		1198	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1199	PROTOTYPE: $$$$
		1200	CODE:
		1201	eio_sendfile_sync (ofh, ifh, offset, count);
		1202
		1203	void _on_next_submit (SV *cb)
		1204	CODE:
		1205	SvREFCNT_dec (on_next_submit);
		1206	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1207
994	PROTOTYPES: DISABLE	1208	PROTOTYPES: DISABLE
995		1209
996	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1210	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
997		1211
998	void	1212	void
…		…
1000	CODE:	1214	CODE:
1001	eio_cancel (req);	1215	eio_cancel (req);
1002		1216
1003	void	1217	void
1004	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1218	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1005	CODE:	1219	PPCODE:
		1220	{
		1221	if (GIMME_V != G_VOID)
		1222	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1223
		1224	if (items > 1)
		1225	{
		1226	SV *cb_cv = get_cb (callback);
		1227
1006	SvREFCNT_dec (req->callback);	1228	SvREFCNT_dec (req->callback);
1007	req->callback = newSVsv (callback);	1229	req->callback = SvREFCNT_inc (cb_cv);
		1230	}
		1231	}
1008		1232
1009	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1233	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1010		1234
1011	void	1235	void
1012	add (aio_req grp, ...)	1236	add (aio_req grp, ...)
…		…
1044	AV *av;	1268	AV *av;
1045		1269
1046	grp->errorno = errno;	1270	grp->errorno = errno;
1047		1271
1048	av = newAV ();	1272	av = newAV ();
		1273	av_extend (av, items - 1);
1049		1274
1050	for (i = 1; i < items; ++i )	1275	for (i = 1; i < items; ++i )
1051	av_push (av, newSVsv (ST (i)));	1276	av_push (av, newSVsv (ST (i)));
1052		1277
1053	SvREFCNT_dec (grp->sv1);	1278	SvREFCNT_dec (grp->sv1);
…		…
1067	void	1292	void
1068	feed (aio_req grp, SV *callback=&PL_sv_undef)	1293	feed (aio_req grp, SV *callback=&PL_sv_undef)
1069	CODE:	1294	CODE:
1070	{	1295	{
1071	SvREFCNT_dec (grp->sv2);	1296	SvREFCNT_dec (grp->sv2);
1072	grp->sv2 = newSVsv (callback);	1297	grp->sv2 = newSVsv (callback);
		1298	grp->feed = aio_grp_feed;
1073		1299
1074	if (grp->int2 <= 0)	1300	if (grp->int2 <= 0)
1075	grp->int2 = 2;	1301	grp->int2 = 2;
1076		1302
1077	eio_grp_limit (grp, grp->int2);	1303	eio_grp_limit (grp, grp->int2);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing IO-AIO/AIO.xs (file contents): Revision 1.115 by root, Sat May 10 18:06:41 2008 UTC vs. Revision 1.151 by root, Tue Jul 14 00:13:36 2009 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.115 by root, Sat May 10 18:06:41 2008 UTC vs.
Revision 1.151 by root, Tue Jul 14 00:13:36 2009 UTC