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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.133 by root, Wed Oct 22 18:15:36 2008 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
		16	#include <sys/statvfs.h>
14	#include <limits.h>	17	#include <limits.h>
15	#include <fcntl.h>	18	#include <fcntl.h>
16	#include <sched.h>	19	#include <sched.h>
		20
		21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
		24
		25	#if !_POSIX_MAPPED_FILES
		26	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		27	# define munmap(addr,length) (errno = ENOSYS, -1)
		28	#endif
17		29
18	/* perl namespace pollution */	30	/* perl namespace pollution */
19	#undef VERSION	31	#undef VERSION
20		32
21	#ifdef _WIN32	33	#ifdef _WIN32
…		…
75		87
76	#define EIO_STRUCT_STAT Stat_t	88	#define EIO_STRUCT_STAT Stat_t
77		89
78	/* use NV for 32 bit perls as it allows larger offsets */	90	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	91	#if IVSIZE >= 8
		92	# define VAL64 IV
80	# define SvVAL64 SvIV	93	# define SvVAL64 SvIV
		94	# define newSVval64 newSViv
81	#else	95	#else
		96	# define VAL64 NV
82	# define SvVAL64 SvNV	97	# define SvVAL64 SvNV
		98	# define newSVval64 newSVnv
83	#endif	99	#endif
84		100
85	/*****************************************************************************/	101	/*****************************************************************************/
86		102
87	#if __GNUC__ >= 3	103	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	109	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	110	#define expect_true(expr) expect ((expr) != 0, 1)
95		111
96	/*****************************************************************************/	112	/*****************************************************************************/
97		113
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	114	typedef SV SV8; /* byte-sv, used for argument-checking */
		115	typedef int aio_rfd; /* read file desriptor */
		116	typedef int aio_wfd; /* write file descriptor */
100		117
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	118	static HV aio_stash, aio_req_stash, *aio_grp_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		119
104	#define EIO_REQ_MEMBERS \	120	#define EIO_REQ_MEMBERS \
105	SV *callback; \	121	SV *callback; \
106	SV sv1, sv2; \	122	SV sv1, sv2; \
107	STRLEN stroffset; \	123	STRLEN stroffset; \
…		…
109		125
110	#define EIO_NO_WRAPPERS 1	126	#define EIO_NO_WRAPPERS 1
111		127
112	#include "libeio/eio.h"	128	#include "libeio/eio.h"
113		129
		130	#ifndef POSIX_FADV_NORMAL
		131	# define POSIX_FADV_NORMAL 0
		132	# define NO_FADVISE 1
		133	#endif
		134	#ifndef POSIX_FADV_SEQUENTIAL
		135	# define POSIX_FADV_SEQUENTIAL 0
		136	#endif
		137	#ifndef POSIX_FADV_RANDOM
		138	# define POSIX_FADV_RANDOM 0
		139	#endif
		140	#ifndef POSIX_FADV_NOREUSE
		141	# define POSIX_FADV_NOREUSE 0
		142	#endif
		143	#ifndef POSIX_FADV_WILLNEED
		144	# define POSIX_FADV_WILLNEED 0
		145	#endif
		146	#ifndef POSIX_FADV_DONTNEED
		147	# define POSIX_FADV_DONTNEED 0
		148	#endif
		149
		150	#ifndef ST_NODEV
		151	# define ST_NODEV 0
		152	#endif
		153	#ifndef ST_NOEXEC
		154	# define ST_NOEXEC 0
		155	#endif
		156	#ifndef ST_SYNCHRONOUS
		157	# define ST_SYNCHRONOUS 0
		158	#endif
		159	#ifndef ST_MANDLOCK
		160	# define ST_MANDLOCK 0
		161	#endif
		162	#ifndef ST_WRITE
		163	# define ST_WRITE 0
		164	#endif
		165	#ifndef ST_APPEND
		166	# define ST_APPEND 0
		167	#endif
		168	#ifndef ST_IMMUTABLE
		169	# define ST_IMMUTABLE 0
		170	#endif
		171	#ifndef ST_NOATIME
		172	# define ST_NOATIME 0
		173	#endif
		174	#ifndef ST_NODIRATIME
		175	# define ST_NODIRATIME 0
		176	#endif
		177	#ifndef ST_RELATIME
		178	# define ST_RELATIME 0
		179	#endif
		180
		181	#ifndef MCL_CURRENT
		182	# define MCL_CURRENT 0
		183	#endif
		184	#ifndef MCL_FUTURE
		185	# define MCL_FUTURE 0
		186	#endif
		187
		188	#ifndef MAP_ANONYMOUS
		189	# ifdef MAP_ANON
		190	# define MAP_ANONYMOUS MAP_ANON
		191	# else
		192	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		193	# endif
		194	#endif
		195	#ifndef MAP_HUGETLB
		196	# define MAP_HUGETLB 0
		197	#endif
		198	#ifndef MAP_LOCKED
		199	# define MAP_LOCKED 0
		200	#endif
		201	#ifndef MAP_NORESERVE
		202	# define MAP_NORESERVE 0
		203	#endif
		204	#ifndef MAP_POPULATE
		205	# define MAP_POPULATE 0
		206	#endif
		207	#ifndef MAP_NONBLOCK
		208	# define MAP_NONBLOCK 0
		209	#endif
		210
		211	#ifndef PAGESIZE
		212	# define PAGESIZE sysconf (_SC_PAGESIZE)
		213	#endif
		214
114	static int req_invoke (eio_req *req);	215	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	216	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	217	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	218	#define EIO_DESTROY(req) req_destroy (req)
118		219
…		…
127		228
128	static SV *on_next_submit;	229	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	230	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	231	static int max_outstanding;
131		232
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	233	static s_epipe respipe;
133		234
134	static void req_destroy (aio_req req);	235	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	236	static void req_cancel (aio_req req);
136		237
137	static void want_poll (void)	238	static void want_poll (void)
138	{	239	{
139	/* write a dummy byte to the pipe so fh becomes ready */	240	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	241	s_epipe_signal (&respipe);
141	}	242	}
142		243
143	static void done_poll (void)	244	static void done_poll (void)
144	{	245	{
145	/* read any signals sent by the worker threads */	246	/* read any signals sent by the worker threads */
146	char buf [4];	247	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	248	}
150		249
151	/* must be called at most once */	250	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	251	static SV req_sv (aio_req req, HV stash)
153	{	252	{
154	if (!req->self)	253	if (!req->self)
155	{	254	{
156	req->self = (SV *)newHV ();	255	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	256	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	257	}
159		258
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	259	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	260	}
162		261
163	static aio_req SvAIO_REQ (SV *sv)	262	static aio_req SvAIO_REQ (SV *sv)
164	{	263	{
165	MAGIC *mg;	264	MAGIC *mg;
166		265
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	266	if (!SvROK (sv)
		267	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		268	&& SvSTASH (SvRV (sv)) != aio_req_stash
		269	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	270	croak ("object of class IO::AIO::REQ expected");
169		271
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	272	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		273
172	return mg ? (aio_req)mg->mg_ptr : 0;	274	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	275	}
…		…
179	dSP;	281	dSP;
180		282
181	ENTER;	283	ENTER;
182	SAVETMPS;	284	SAVETMPS;
183	PUSHMARK (SP);	285	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	286	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	287	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	288	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	289	SPAGAIN;
188	FREETMPS;	290	FREETMPS;
189	LEAVE;	291	LEAVE;
…		…
228	SV *rv = &PL_sv_undef;	330	SV *rv = &PL_sv_undef;
229		331
230	if (req->result >= 0)	332	if (req->result >= 0)
231	{	333	{
232	int i;	334	int i;
233	char *buf = req->ptr2;	335	char names = (char )req->ptr2;
		336	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	337	AV *av = newAV ();
235		338
236	av_extend (av, req->result - 1);	339	av_extend (av, req->result - 1);
237		340
238	for (i = 0; i < req->result; ++i)	341	for (i = 0; i < req->result; ++i)
239	{	342	{
240	SV *sv = newSVpv (buf, 0);	343	if (req->int1 & EIO_READDIR_DENTS)
		344	{
		345	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		346
		347	if (req->int1 & EIO_READDIR_CUSTOM2)
		348	{
		349	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		350	AV *avent = newAV ();
		351
		352	av_extend (avent, 2);
		353
		354	if (!sv_type [ent->type])
		355	{
		356	sv_type [ent->type] = newSViv (ent->type);
		357	SvREADONLY_on (sv_type [ent->type]);
		358	}
		359
		360	av_store (avent, 0, namesv);
		361	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		362	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		363
		364	av_store (av, i, newRV_noinc ((SV *)avent));
		365	}
		366	else
242	av_store (av, i, sv);	367	av_store (av, i, namesv);
		368
		369	++ent;
		370	}
		371	else
		372	{
		373	SV *name = newSVpv (names, 0);
		374	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	375	names += SvCUR (name) + 1;
		376	}
244	}	377	}
245		378
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	379	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	380	}
248		381
249	PUSHs (rv);	382	PUSHs (rv);
		383
		384	if (req->int1 & EIO_READDIR_CUSTOM1)
		385	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
250	}	386	}
251	break;	387	break;
252		388
253	case EIO_OPEN:	389	case EIO_OPEN:
254	{	390	{
…		…
260	GV gv = (GV )sv_newmortal ();	396	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	397	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	398	char sym [64];
263	int symlen;	399	int symlen;
264		400
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	401	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	402	gv_init (gv, aio_stash, sym, symlen, 0);
267		403
268	symlen = snprintf (	404	symlen = snprintf (
269	sym,	405	sym,
270	sizeof (sym),	406	sizeof (sym),
271	"%s&=%d",	407	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	408	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	409	(int)req->result
274	);	410	);
275		411
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	412	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	413	fh = (SV *)gv;
278	}	414	}
279		415
280	PUSHs (fh);	416	PUSHs (fh);
281	}	417	}
		418	break;
		419
		420	case EIO_STATVFS:
		421	case EIO_FSTATVFS:
		422	{
		423	SV *rv = &PL_sv_undef;
		424
		425	if (req->result >= 0)
		426	{
		427	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		428	HV *hv = newHV ();
		429
		430	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		431
		432	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		433	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		434	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		435	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		436	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		437	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		438	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		439	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		440	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		441	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		442	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		443	}
		444
		445	PUSHs (rv);
		446	}
		447
282	break;	448	break;
283		449
284	case EIO_GROUP:	450	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	451	req->int1 = 2; /* mark group as finished */
286		452
…		…
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	478	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	479	PUSHs (sv_2mortal (newSViv (req->result)));
314	break;	480	break;
315		481
316	case EIO_READ:	482	case EIO_READ:
		483	{
317	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	484	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
318	*SvEND (req->sv2) = 0;	485	*SvEND (req->sv2) = 0;
		486	SvPOK_only (req->sv2);
		487	SvSETMAGIC (req->sv2);
319	PUSHs (sv_2mortal (newSViv (req->result)));	488	PUSHs (sv_2mortal (newSViv (req->result)));
		489	}
320	break;	490	break;
321		491
322	case EIO_DUP2:	492	case EIO_DUP2:
323	if (req->result > 0)	493	if (req->result > 0)
324	req->result = 0;	494	req->result = 0;
…		…
370	grp->sv2 = 0;	540	grp->sv2 = 0;
371		541
372	eio_grp_cancel (grp);	542	eio_grp_cancel (grp);
373	}	543	}
374		544
375	#ifdef USE_SOCKETS_AS_HANDLES
376	# define TO_SOCKET(x) (win32_get_osfhandle (x))
377	#else
378	# define TO_SOCKET(x) (x)
379	#endif
380
381	static void	545	static void
382	create_respipe (void)	546	create_respipe (void)
383	{	547	{
384	int old_readfd = respipe [0];
385
386	if (respipe [1] >= 0)
387	respipe_close (TO_SOCKET (respipe [1]));
388
389	#ifdef _WIN32
390	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391	#else
392	if (pipe (respipe))	548	if (s_epipe_renew (&respipe))
393	#endif
394	croak ("unable to initialize result pipe");	549	croak ("IO::AIO: unable to initialize result pipe");
395
396	if (old_readfd >= 0)
397	{
398	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399	croak ("unable to initialize result pipe(2)");
400
401	respipe_close (respipe [0]);
402	respipe [0] = old_readfd;
403	}
404
405	#ifdef _WIN32
406	int arg = 1;
407	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409	#else
410	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412	#endif
413	croak ("unable to initialize result pipe(3)");
414
415	respipe_osf [0] = TO_SOCKET (respipe [0]);
416	respipe_osf [1] = TO_SOCKET (respipe [1]);
417	}	550	}
418		551
419	static void poll_wait (void)	552	static void poll_wait (void)
420	{	553	{
421	fd_set rfd;
422
423	while (eio_nreqs ())	554	while (eio_nreqs ())
424	{	555	{
425	int size;	556	int size;
426		557
427	X_LOCK (reslock);	558	X_LOCK (reslock);
…		…
431	if (size)	562	if (size)
432	return;	563	return;
433		564
434	etp_maybe_start_thread ();	565	etp_maybe_start_thread ();
435		566
436	FD_ZERO (&rfd);	567	s_epipe_wait (&respipe);
437	FD_SET (respipe [0], &rfd);
438
439	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440	}	568	}
441	}	569	}
442		570
443	static int poll_cb (void)	571	static int poll_cb (void)
444	{	572	{
…		…
459	static void atfork_child (void)	587	static void atfork_child (void)
460	{	588	{
461	create_respipe ();	589	create_respipe ();
462	}	590	}
463		591
		592	/*****************************************************************************/
		593
		594	#define MMAP_MAGIC PERL_MAGIC_ext
		595
		596	static int
		597	mmap_free (pTHX_ SV sv, MAGIC mg)
		598	{
		599	int old_errno = errno;
		600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		601	errno = old_errno;
		602
		603	mg->mg_obj = 0; /* just in case */
		604
		605	SvREADONLY_off (sv);
		606	SvCUR_set (sv, 0);
		607	SvLEN_set (sv, 0);
		608	SvPVX (sv) = 0;
		609	SvOK_off (sv);
		610
		611	return 0;
		612	}
		613
		614	static MGVTBL mmap_vtbl = {
		615	0, 0, 0, 0, mmap_free
		616	};
		617
		618	/*****************************************************************************/
		619
464	static SV *	620	static SV *
465	get_cb (SV *cb_sv)	621	get_cb (SV *cb_sv)
466	{	622	{
467	HV *st;	623	SvGETMAGIC (cb_sv);
468	GV *gvp;	624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
469	CV *cv;
470
471	if (!SvOK (cb_sv))
472	return 0;
473
474	cv = sv_2cv (cb_sv, &st, &gvp, 0);
475
476	if (!cv)
477	croak ("IO::AIO callback must be undef or a CODE reference");
478
479	return (SV *)cv;
480	}	625	}
481		626
482	#define dREQ \	627	#define dREQ \
483	SV *cb_cv; \	628	SV *cb_cv; \
484	aio_req req; \	629	aio_req req; \
…		…
498	PUTBACK; \	643	PUTBACK; \
499	req_submit (req); \	644	req_submit (req); \
500	SPAGAIN; \	645	SPAGAIN; \
501	\	646	\
502	if (GIMME_V != G_VOID) \	647	if (GIMME_V != G_VOID) \
503	XPUSHs (req_sv (req, AIO_REQ_KLASS));	648	XPUSHs (req_sv (req, aio_req_stash));
504		649
505	MODULE = IO::AIO PACKAGE = IO::AIO	650	MODULE = IO::AIO PACKAGE = IO::AIO
506		651
507	PROTOTYPES: ENABLE	652	PROTOTYPES: ENABLE
508		653
509	BOOT:	654	BOOT:
510	{	655	{
511	stash = gv_stashpv ("IO::AIO", 1);	656	static const struct {
512		657	const char *name;
513	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	658	IV iv;
514	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	659	} *civ, const_iv[] = {
515	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	660	# define const_niv(name, value) { # name, (IV) value },
516	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	661	# define const_iv(name) { # name, (IV) name },
517	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	662	# define const_eio(name) { # name, (IV) EIO_ ## name },
		663	const_iv (EXDEV)
		664	const_iv (ENOSYS)
		665	const_iv (O_RDONLY)
		666	const_iv (O_WRONLY)
		667	const_iv (O_CREAT)
		668	const_iv (O_TRUNC)
518	#ifndef _WIN32	669	#ifndef _WIN32
519	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	670	const_iv (S_IFIFO)
520	#endif	671	#endif
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
522	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
523	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
524	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
525		678
		679	const_iv (ST_RDONLY)
		680	const_iv (ST_NOSUID)
		681	const_iv (ST_NODEV)
		682	const_iv (ST_NOEXEC)
		683	const_iv (ST_SYNCHRONOUS)
		684	const_iv (ST_MANDLOCK)
		685	const_iv (ST_WRITE)
		686	const_iv (ST_APPEND)
		687	const_iv (ST_IMMUTABLE)
		688	const_iv (ST_NOATIME)
		689	const_iv (ST_NODIRATIME)
		690	const_iv (ST_RELATIME)
		691
		692	const_iv (PROT_EXEC)
		693	const_iv (PROT_NONE)
		694	const_iv (PROT_READ)
		695	const_iv (PROT_WRITE)
		696
		697	/const_iv (MAP_FIXED)/
		698	const_iv (MAP_PRIVATE)
		699	const_iv (MAP_SHARED)
		700	const_iv (MAP_ANONYMOUS)
		701
		702	/* linuxish */
		703	const_iv (MAP_HUGETLB)
		704	const_iv (MAP_LOCKED)
		705	const_iv (MAP_NORESERVE)
		706	const_iv (MAP_POPULATE)
		707	const_iv (MAP_NONBLOCK)
		708
		709	const_iv (MCL_FUTURE)
		710	const_iv (MCL_CURRENT)
		711
		712	const_eio (MS_ASYNC)
		713	const_eio (MS_INVALIDATE)
		714	const_eio (MS_SYNC)
		715
		716	const_eio (MT_MODIFY)
		717
		718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		719	const_eio (SYNC_FILE_RANGE_WRITE)
		720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		721
		722	const_eio (READDIR_DENTS)
		723	const_eio (READDIR_DIRS_FIRST)
		724	const_eio (READDIR_STAT_ORDER)
		725	const_eio (READDIR_FOUND_UNKNOWN)
		726
		727	const_eio (DT_UNKNOWN)
		728	const_eio (DT_FIFO)
		729	const_eio (DT_CHR)
		730	const_eio (DT_DIR)
		731	const_eio (DT_BLK)
		732	const_eio (DT_REG)
		733	const_eio (DT_LNK)
		734	const_eio (DT_SOCK)
		735	const_eio (DT_WHT)
		736	};
		737
		738	aio_stash = gv_stashpv ("IO::AIO" , 1);
		739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		741
		742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		744
		745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		746
526	create_respipe ();	747	create_respipe ();
527		748
528	if (eio_init (want_poll, done_poll) < 0)	749	if (eio_init (want_poll, done_poll) < 0)
529	croak ("IO::AIO: unable to initialise eio library");	750	croak ("IO::AIO: unable to initialise eio library");
530		751
531	/* atfork child called in fifo order, so before eio's handler */	752	/* atfork child called in fifo order, so before eio's handler */
532	X_THREAD_ATFORK (0, 0, atfork_child);	753	X_THREAD_ATFORK (0, 0, atfork_child);
533	}	754	}
534		755
535	void	756	void
536	max_poll_reqs (int nreqs)	757	max_poll_reqs (int nreqs)
537	PROTOTYPE: $	758	PROTOTYPE: $
…		…
590	ALIAS:	811	ALIAS:
591	aio_fsync = EIO_FSYNC	812	aio_fsync = EIO_FSYNC
592	aio_fdatasync = EIO_FDATASYNC	813	aio_fdatasync = EIO_FDATASYNC
593	PPCODE:	814	PPCODE:
594	{	815	{
		816	int fd = s_fileno_croak (fh, 0);
595	dREQ;	817	dREQ;
596		818
597	req->type = ix;	819	req->type = ix;
598	req->sv1 = newSVsv (fh);	820	req->sv1 = newSVsv (fh);
599	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	821	req->int1 = fd;
600		822
601	REQ_SEND (req);	823	REQ_SEND (req);
602	}	824	}
603		825
604	void	826	void
605	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	827	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
606	PROTOTYPE: $$$$;$	828	PROTOTYPE: $$$$;$
607	PPCODE:	829	PPCODE:
608	{	830	{
		831	int fd = s_fileno_croak (fh, 0);
609	dREQ;	832	dREQ;
610		833
611	req->type = EIO_SYNC_FILE_RANGE;	834	req->type = EIO_SYNC_FILE_RANGE;
612	req->sv1 = newSVsv (fh);	835	req->sv1 = newSVsv (fh);
613	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	836	req->int1 = fd;
614	req->offs = SvVAL64 (offset);	837	req->offs = offset;
615	req->size = SvVAL64 (nbytes);	838	req->size = nbytes;
616	req->int2 = flags;	839	req->int2 = flags;
617		840
618	REQ_SEND (req);	841	REQ_SEND (req);
619	}	842	}
620		843
…		…
622	aio_close (SV fh, SV callback=&PL_sv_undef)	845	aio_close (SV fh, SV callback=&PL_sv_undef)
623	PROTOTYPE: $;$	846	PROTOTYPE: $;$
624	PPCODE:	847	PPCODE:
625	{	848	{
626	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		850	int fd = s_fileno_croak (fh, 0);
627	dREQ;	851	dREQ;
628		852
629	if (close_pipe < 0)	853	if (close_pipe < 0)
630	{	854	{
631	int pipefd [2];	855	int pipefd [2];
…		…
639	}	863	}
640		864
641	req->type = EIO_DUP2;	865	req->type = EIO_DUP2;
642	req->int1 = close_pipe;	866	req->int1 = close_pipe;
643	req->sv2 = newSVsv (fh);	867	req->sv2 = newSVsv (fh);
644	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	868	req->int2 = fd;
645		869
646	REQ_SEND (req);	870	REQ_SEND (req);
647	}	871	}
648		872
649	void	873	void
…		…
653	aio_write = EIO_WRITE	877	aio_write = EIO_WRITE
654	PROTOTYPE: $$$$$;$	878	PROTOTYPE: $$$$$;$
655	PPCODE:	879	PPCODE:
656	{	880	{
657	STRLEN svlen;	881	STRLEN svlen;
		882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
658	char *svptr = SvPVbyte (data, svlen);	883	char *svptr = SvPVbyte (data, svlen);
659	UV len = SvUV (length);	884	UV len = SvUV (length);
660
661	SvUPGRADE (data, SVt_PV);
662	SvPOK_on (data);
663		885
664	if (dataoffset < 0)	886	if (dataoffset < 0)
665	dataoffset += svlen;	887	dataoffset += svlen;
666		888
667	if (dataoffset < 0 \|\| dataoffset > svlen)	889	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
673	if (!SvOK (length) \|\| len + dataoffset > svlen)	895	if (!SvOK (length) \|\| len + dataoffset > svlen)
674	len = svlen - dataoffset;	896	len = svlen - dataoffset;
675	}	897	}
676	else	898	else
677	{	899	{
678	/* read: grow scalar as necessary */	900	/* read: check type and grow scalar as necessary */
		901	SvUPGRADE (data, SVt_PV);
679	svptr = SvGROW (data, len + dataoffset + 1);	902	svptr = SvGROW (data, len + dataoffset + 1);
680	}	903	}
681		904
682	if (len < 0)
683	croak ("length must not be negative");
684
685	{	905	{
686	dREQ;	906	dREQ;
687		907
688	req->type = ix;	908	req->type = ix;
689	req->sv1 = newSVsv (fh);	909	req->sv1 = newSVsv (fh);
690	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	910	req->int1 = fd;
691	: IoOFP (sv_2io (fh)));
692	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	911	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
693	req->size = len;	912	req->size = len;
694	req->sv2 = SvREFCNT_inc (data);	913	req->sv2 = SvREFCNT_inc (data);
695	req->ptr2 = (char *)svptr + dataoffset;	914	req->ptr2 = (char *)svptr + dataoffset;
696	req->stroffset = dataoffset;	915	req->stroffset = dataoffset;
…		…
719		938
720	REQ_SEND;	939	REQ_SEND;
721	}	940	}
722		941
723	void	942	void
724	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	943	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
725	PROTOTYPE: $$$$;$	944	PROTOTYPE: $$$$;$
726	PPCODE:	945	PPCODE:
727	{	946	{
		947	int ifd = s_fileno_croak (in_fh , 0);
		948	int ofd = s_fileno_croak (out_fh, 1);
728	dREQ;	949	dREQ;
729		950
730	req->type = EIO_SENDFILE;	951	req->type = EIO_SENDFILE;
731	req->sv1 = newSVsv (out_fh);	952	req->sv1 = newSVsv (out_fh);
732	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	953	req->int1 = ofd;
733	req->sv2 = newSVsv (in_fh);	954	req->sv2 = newSVsv (in_fh);
734	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	955	req->int2 = ifd;
735	req->offs = SvVAL64 (in_offset);	956	req->offs = in_offset;
736	req->size = length;	957	req->size = length;
737		958
738	REQ_SEND;	959	REQ_SEND;
739	}	960	}
740		961
741	void	962	void
742	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	963	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
743	PROTOTYPE: $$$;$	964	PROTOTYPE: $$$;$
744	PPCODE:	965	PPCODE:
745	{	966	{
		967	int fd = s_fileno_croak (fh, 0);
746	dREQ;	968	dREQ;
747		969
748	req->type = EIO_READAHEAD;	970	req->type = EIO_READAHEAD;
749	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
750	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	972	req->int1 = fd;
751	req->offs = SvVAL64 (offset);	973	req->offs = offset;
752	req->size = length;	974	req->size = length;
753		975
754	REQ_SEND;	976	REQ_SEND;
755	}	977	}
756		978
757	void	979	void
758	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	980	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
759	ALIAS:	981	ALIAS:
760	aio_stat = EIO_STAT	982	aio_stat = EIO_STAT
761	aio_lstat = EIO_LSTAT	983	aio_lstat = EIO_LSTAT
		984	aio_statvfs = EIO_STATVFS
762	PPCODE:	985	PPCODE:
763	{	986	{
764	dREQ;	987	dREQ;
765		988
766	req->sv1 = newSVsv (fh_or_path);	989	req->sv1 = newSVsv (fh_or_path);
…		…
770	req->type = ix;	993	req->type = ix;
771	req->ptr1 = SvPVbyte_nolen (req->sv1);	994	req->ptr1 = SvPVbyte_nolen (req->sv1);
772	}	995	}
773	else	996	else
774	{	997	{
775	req->type = EIO_FSTAT;	998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
776	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
777	}	1000	}
778		1001
779	REQ_SEND;	1002	REQ_SEND;
780	}	1003	}
…		…
875		1098
876	REQ_SEND;	1099	REQ_SEND;
877	}	1100	}
878		1101
879	void	1102	void
		1103	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1104	PPCODE:
		1105	{
		1106	dREQ;
		1107
		1108	req->type = EIO_READDIR;
		1109	req->sv1 = newSVsv (pathname);
		1110	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1111	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1112
		1113	if (flags & EIO_READDIR_DENTS)
		1114	req->int1 \|= EIO_READDIR_CUSTOM2;
		1115
		1116	REQ_SEND;
		1117	}
		1118
		1119	void
880	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1120	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
881	ALIAS:	1121	ALIAS:
882	aio_unlink = EIO_UNLINK	1122	aio_unlink = EIO_UNLINK
883	aio_rmdir = EIO_RMDIR	1123	aio_rmdir = EIO_RMDIR
884	aio_readdir = EIO_READDIR	1124	aio_readdir = EIO_READDIR
…		…
926		1166
927	REQ_SEND;	1167	REQ_SEND;
928	}	1168	}
929		1169
930	void	1170	void
		1171	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1172	ALIAS:
		1173	aio_mtouch = EIO_MTOUCH
		1174	aio_msync = EIO_MSYNC
		1175	PROTOTYPE: $$$$;$
		1176	PPCODE:
		1177	{
		1178	STRLEN svlen;
		1179	UV len = SvUV (length);
		1180	char *svptr = SvPVbyte (data, svlen);
		1181
		1182	if (offset < 0)
		1183	offset += svlen;
		1184
		1185	if (offset < 0 \|\| offset > svlen)
		1186	croak ("offset outside of scalar");
		1187
		1188	if (!SvOK (length) \|\| len + offset > svlen)
		1189	len = svlen - offset;
		1190
		1191	{
		1192	dREQ;
		1193
		1194	req->type = ix;
		1195	req->size = len;
		1196	req->sv2 = SvREFCNT_inc (data);
		1197	req->ptr2 = (char *)svptr + offset;
		1198	req->int1 = flags;
		1199
		1200	REQ_SEND;
		1201	}
		1202	}
		1203
		1204	void
931	aio_busy (double delay, SV *callback=&PL_sv_undef)	1205	aio_busy (double delay, SV *callback=&PL_sv_undef)
932	PPCODE:	1206	PPCODE:
933	{	1207	{
934	dREQ;	1208	dREQ;
935		1209
…		…
947	dREQ;	1221	dREQ;
948		1222
949	req->type = EIO_GROUP;	1223	req->type = EIO_GROUP;
950		1224
951	req_submit (req);	1225	req_submit (req);
952	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1226	XPUSHs (req_sv (req, aio_grp_stash));
953	}	1227	}
954		1228
955	void	1229	void
956	aio_nop (SV *callback=&PL_sv_undef)	1230	aio_nop (SV *callback=&PL_sv_undef)
957	ALIAS:	1231	ALIAS:
…		…
1009		1283
1010	int	1284	int
1011	poll_fileno()	1285	poll_fileno()
1012	PROTOTYPE:	1286	PROTOTYPE:
1013	CODE:	1287	CODE:
1014	RETVAL = respipe [0];	1288	RETVAL = s_epipe_fd (&respipe);
1015	OUTPUT:	1289	OUTPUT:
1016	RETVAL	1290	RETVAL
1017		1291
1018	int	1292	int
1019	poll_cb(...)	1293	poll_cb(...)
…		…
1059	CODE:	1333	CODE:
1060	RETVAL = eio_nthreads ();	1334	RETVAL = eio_nthreads ();
1061	OUTPUT:	1335	OUTPUT:
1062	RETVAL	1336	RETVAL
1063		1337
		1338	int
		1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1340	PROTOTYPE: $$$$
		1341	CODE:
		1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1343	RETVAL = posix_fadvise (fh, offset, length, advice);
		1344	#else
		1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1346	#endif
		1347	OUTPUT:
		1348	RETVAL
		1349
		1350	ssize_t
		1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1352	PROTOTYPE: $$$$
		1353	CODE:
		1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1355	OUTPUT:
		1356	RETVAL
		1357
		1358	void
		1359	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1360	PROTOTYPE: $$$$$;$
		1361	PPCODE:
		1362	sv_unmagic (scalar, MMAP_MAGIC);
		1363	{
		1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1365	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1366	if (addr == (void *)-1)
		1367	XSRETURN_NO;
		1368
		1369	/* we store the length in mg_obj, as namlen is I32 :/ */
		1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1371	->mg_obj = (SV *)length;
		1372
		1373	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1374	if (!(prot & PROT_WRITE))
		1375	SvREADONLY_on (scalar);
		1376
		1377	SvPVX (scalar) = (char *)addr;
		1378	SvCUR_set (scalar, length);
		1379	SvLEN_set (scalar, 0);
		1380	SvPOK_only (scalar);
		1381
		1382	XSRETURN_YES;
		1383	}
		1384
		1385	void
		1386	munmap (SV *scalar)
		1387	PROTOTYPE: $
		1388	CODE:
		1389	sv_unmagic (scalar, MMAP_MAGIC);
		1390
		1391	int
		1392	mlockall (int flags)
		1393	PROTOTYPE: $
		1394	CODE:
		1395	#if _POSIX_MEMLOCK
		1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1397	extern int mallopt (int, int);
		1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1399	#endif
		1400	mlockall (flags);
		1401	#else
		1402	RETVAL = -1;
		1403	errno = ENOSYS;
		1404	#endif
		1405	OUTPUT:
		1406	RETVAL
		1407
		1408	int
		1409	munlockall ()
		1410	PROTOTYPE:
		1411	CODE:
		1412	#if _POSIX_MEMLOCK
		1413	munlockall ();
		1414	#else
		1415	RETVAL = -1;
		1416	errno = ENOSYS;
		1417	#endif
		1418	OUTPUT:
		1419	RETVAL
		1420
1064	void _on_next_submit (SV *cb)	1421	void _on_next_submit (SV *cb)
1065	CODE:	1422	CODE:
1066	SvREFCNT_dec (on_next_submit);	1423	SvREFCNT_dec (on_next_submit);
1067	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1068		1425
…		…
1082	if (GIMME_V != G_VOID)	1439	if (GIMME_V != G_VOID)
1083	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1440	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1084		1441
1085	if (items > 1)	1442	if (items > 1)
1086	{	1443	{
1087	SV *cb_cv = get_cb (callback);	1444	SV *cb_cv =get_cb (callback);
1088		1445
1089	SvREFCNT_dec (req->callback);	1446	SvREFCNT_dec (req->callback);
1090	req->callback = SvREFCNT_inc (cb_cv);	1447	req->callback = SvREFCNT_inc (cb_cv);
1091	}	1448	}
1092	}	1449	}
…		…
1129	AV *av;	1486	AV *av;
1130		1487
1131	grp->errorno = errno;	1488	grp->errorno = errno;
1132		1489
1133	av = newAV ();	1490	av = newAV ();
		1491	av_extend (av, items - 1);
1134		1492
1135	for (i = 1; i < items; ++i )	1493	for (i = 1; i < items; ++i )
1136	av_push (av, newSVsv (ST (i)));	1494	av_push (av, newSVsv (ST (i)));
1137		1495
1138	SvREFCNT_dec (grp->sv1);	1496	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.133 by root, Wed Oct 22 18:15:36 2008 UTC vs. Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.133 by root, Wed Oct 22 18:15:36 2008 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC