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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.128 by root, Tue Sep 30 14:07:59 2008 UTC vs.
Revision 1.163 by root, Sun Jan 10 23:44:02 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
17		24
18	/* perl namespace pollution */	25	/* perl namespace pollution */
19	#undef VERSION	26	#undef VERSION
20		27
21	#ifdef _WIN32	28	#ifdef _WIN32
…		…
75		82
76	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
77		84
78	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
80	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
81	#else	90	#else
		91	# define VAL64 NV
82	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
83	#endif	94	#endif
84		95
85	/*****************************************************************************/	96	/*****************************************************************************/
86		97
87	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
95		106
96	/*****************************************************************************/	107	/*****************************************************************************/
97		108
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
		110	typedef int aio_rfd; /* read file desriptor */
		111	typedef int aio_wfd; /* write file descriptor */
100		112
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		114
104	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
105	SV *callback; \	116	SV *callback; \
106	SV sv1, sv2; \	117	SV sv1, sv2; \
107	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
112	#include "libeio/eio.h"	123	#include "libeio/eio.h"
113		124
		125	#ifndef POSIX_FADV_NORMAL
		126	# define POSIX_FADV_NORMAL 0
		127	# define NO_FADVISE 1
		128	#endif
		129	#ifndef POSIX_FADV_SEQUENTIAL
		130	# define POSIX_FADV_SEQUENTIAL 0
		131	#endif
		132	#ifndef POSIX_FADV_RANDOM
		133	# define POSIX_FADV_RANDOM 0
		134	#endif
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138	#ifndef POSIX_FADV_WILLNEED
		139	# define POSIX_FADV_WILLNEED 0
		140	#endif
		141	#ifndef POSIX_FADV_DONTNEED
		142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#ifndef ST_NODEV
		146	# define ST_NODEV 0
		147	#endif
		148	#ifndef ST_NOEXEC
		149	# define ST_NOEXEC 0
		150	#endif
		151	#ifndef ST_SYNCHRONOUS
		152	# define ST_SYNCHRONOUS 0
		153	#endif
		154	#ifndef ST_MANDLOCK
		155	# define ST_MANDLOCK 0
		156	#endif
		157	#ifndef ST_WRITE
		158	# define ST_WRITE 0
		159	#endif
		160	#ifndef ST_APPEND
		161	# define ST_APPEND 0
		162	#endif
		163	#ifndef ST_IMMUTABLE
		164	# define ST_IMMUTABLE 0
		165	#endif
		166	#ifndef ST_NOATIME
		167	# define ST_NOATIME 0
		168	#endif
		169	#ifndef ST_NODIRATIME
		170	# define ST_NODIRATIME 0
		171	#endif
		172	#ifndef ST_RELATIME
		173	# define ST_RELATIME 0
		174	#endif
		175
		176	#ifndef MCL_CURRENT
		177	# define MCL_CURRENT 0
		178	#endif
		179	#ifndef MCL_FUTURE
		180	# define MCL_FUTURE 0
		181	#endif
		182
		183	#ifndef MAP_ANONYMOUS
		184	# ifdef MAP_ANON
		185	# define MAP_ANONYMOUS MAP_ANON
		186	# else
		187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		188	# endif
		189	#endif
		190	#ifndef MAP_HUGETLB
		191	# define MAP_HUGETLB 0
		192	#endif
		193	#ifndef MAP_LOCKED
		194	# define MAP_LOCKED 0
		195	#endif
		196	#ifndef MAP_NORESERVE
		197	# define MAP_NORESERVE 0
		198	#endif
		199	#ifndef MAP_POPULATE
		200	# define MAP_POPULATE 0
		201	#endif
		202	#ifndef MAP_NONBLOCK
		203	# define MAP_NONBLOCK 0
		204	#endif
		205
		206	#ifndef PAGESIZE
		207	# define PAGESIZE sysconf (_SC_PAGESIZE)
		208	#endif
		209
114	static int req_invoke (eio_req *req);	210	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	211	#define EIO_FINISH(req) req_invoke (req)
116	static void aio_grp_feed (eio_req *grp);
117	#define EIO_FEED(req) aio_grp_feed (req)
118	static void req_destroy (eio_req *grp);	212	static void req_destroy (eio_req *grp);
119	#define EIO_DESTROY(req) req_destroy (req)	213	#define EIO_DESTROY(req) req_destroy (req)
120		214
121	enum {	215	enum {
122	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
129		223
130	static SV *on_next_submit;	224	static SV *on_next_submit;
131	static int next_pri = EIO_PRI_DEFAULT;	225	static int next_pri = EIO_PRI_DEFAULT;
132	static int max_outstanding;	226	static int max_outstanding;
133		227
134	static int respipe_osf [2], respipe [2] = { -1, -1 };	228	static s_epipe respipe;
135		229
136	static void req_destroy (aio_req req);	230	static void req_destroy (aio_req req);
137	static void req_cancel (aio_req req);	231	static void req_cancel (aio_req req);
138		232
139	static void want_poll (void)	233	static void want_poll (void)
140	{	234	{
141	/* write a dummy byte to the pipe so fh becomes ready */	235	/* write a dummy byte to the pipe so fh becomes ready */
142	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	236	s_epipe_signal (&respipe);
143	}	237	}
144		238
145	static void done_poll (void)	239	static void done_poll (void)
146	{	240	{
147	/* read any signals sent by the worker threads */	241	/* read any signals sent by the worker threads */
148	char buf [4];	242	s_epipe_drain (&respipe);
149	while (respipe_read (respipe [0], buf, 4) == 4)
150	;
151	}	243	}
152		244
153	/* must be called at most once */	245	/* must be called at most once */
154	static SV req_sv (aio_req req, const char klass)	246	static SV req_sv (aio_req req, HV stash)
155	{	247	{
156	if (!req->self)	248	if (!req->self)
157	{	249	{
158	req->self = (SV *)newHV ();	250	req->self = (SV *)newHV ();
159	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
160	}	252	}
161		253
162	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
163	}	255	}
164		256
165	static aio_req SvAIO_REQ (SV *sv)	257	static aio_req SvAIO_REQ (SV *sv)
166	{	258	{
167	MAGIC *mg;	259	MAGIC *mg;
168		260
169	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	261	if (!SvROK (sv)
		262	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		263	&& SvSTASH (SvRV (sv)) != aio_req_stash
		264	&& !sv_derived_from (sv, "IO::AIO::REQ")))
170	croak ("object of class " AIO_REQ_KLASS " expected");	265	croak ("object of class IO::AIO::REQ expected");
171		266
172	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
173		268
174	return mg ? (aio_req)mg->mg_ptr : 0;	269	return mg ? (aio_req)mg->mg_ptr : 0;
175	}	270	}
…		…
181	dSP;	276	dSP;
182		277
183	ENTER;	278	ENTER;
184	SAVETMPS;	279	SAVETMPS;
185	PUSHMARK (SP);	280	PUSHMARK (SP);
186	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	281	XPUSHs (req_sv (grp, aio_grp_stash));
187	PUTBACK;	282	PUTBACK;
188	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	283	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
189	SPAGAIN;	284	SPAGAIN;
190	FREETMPS;	285	FREETMPS;
191	LEAVE;	286	LEAVE;
…		…
230	SV *rv = &PL_sv_undef;	325	SV *rv = &PL_sv_undef;
231		326
232	if (req->result >= 0)	327	if (req->result >= 0)
233	{	328	{
234	int i;	329	int i;
235	char *buf = req->ptr2;	330	char names = (char )req->ptr2;
		331	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
236	AV *av = newAV ();	332	AV *av = newAV ();
237		333
238	av_extend (av, req->result - 1);	334	av_extend (av, req->result - 1);
239		335
240	for (i = 0; i < req->result; ++i)	336	for (i = 0; i < req->result; ++i)
241	{	337	{
242	SV *sv = newSVpv (buf, 0);	338	if (req->int1 & EIO_READDIR_DENTS)
		339	{
		340	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
243		341
		342	if (req->int1 & EIO_READDIR_CUSTOM2)
		343	{
		344	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		345	AV *avent = newAV ();
		346
		347	av_extend (avent, 2);
		348
		349	if (!sv_type [ent->type])
		350	{
		351	sv_type [ent->type] = newSViv (ent->type);
		352	SvREADONLY_on (sv_type [ent->type]);
		353	}
		354
		355	av_store (avent, 0, namesv);
		356	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		357	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		358
		359	av_store (av, i, newRV_noinc ((SV *)avent));
		360	}
		361	else
244	av_store (av, i, sv);	362	av_store (av, i, namesv);
		363
		364	++ent;
		365	}
		366	else
		367	{
		368	SV *name = newSVpv (names, 0);
		369	av_store (av, i, name);
245	buf += SvCUR (sv) + 1;	370	names += SvCUR (name) + 1;
		371	}
246	}	372	}
247		373
248	rv = sv_2mortal (newRV_noinc ((SV *)av));	374	rv = sv_2mortal (newRV_noinc ((SV *)av));
249	}	375	}
250		376
251	PUSHs (rv);	377	PUSHs (rv);
		378
		379	if (req->int1 & EIO_READDIR_CUSTOM1)
		380	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
252	}	381	}
253	break;	382	break;
254		383
255	case EIO_OPEN:	384	case EIO_OPEN:
256	{	385	{
…		…
262	GV gv = (GV )sv_newmortal ();	391	GV gv = (GV )sv_newmortal ();
263	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	392	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
264	char sym [64];	393	char sym [64];
265	int symlen;	394	int symlen;
266		395
267	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	396	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
268	gv_init (gv, stash, sym, symlen, 0);	397	gv_init (gv, aio_stash, sym, symlen, 0);
269		398
270	symlen = snprintf (	399	symlen = snprintf (
271	sym,	400	sym,
272	sizeof (sym),	401	sizeof (sym),
273	"%s&=%d",	402	"%s&=%d",
274	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	403	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
275	req->result	404	(int)req->result
276	);	405	);
277		406
278	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	407	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
279	fh = (SV *)gv;	408	fh = (SV *)gv;
280	}	409	}
281		410
282	PUSHs (fh);	411	PUSHs (fh);
283	}	412	}
		413	break;
		414
		415	case EIO_STATVFS:
		416	case EIO_FSTATVFS:
		417	{
		418	SV *rv = &PL_sv_undef;
		419
		420	if (req->result >= 0)
		421	{
		422	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		423	HV *hv = newHV ();
		424
		425	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		426
		427	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		428	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		429	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		430	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		431	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		432	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		433	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		434	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		435	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		436	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		437	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		438	}
		439
		440	PUSHs (rv);
		441	}
		442
284	break;	443	break;
285		444
286	case EIO_GROUP:	445	case EIO_GROUP:
287	req->int1 = 2; /* mark group as finished */	446	req->int1 = 2; /* mark group as finished */
288		447
…		…
314	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	473	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
315	PUSHs (sv_2mortal (newSViv (req->result)));	474	PUSHs (sv_2mortal (newSViv (req->result)));
316	break;	475	break;
317		476
318	case EIO_READ:	477	case EIO_READ:
		478	{
319	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	479	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
320	*SvEND (req->sv2) = 0;	480	*SvEND (req->sv2) = 0;
		481	SvPOK_only (req->sv2);
		482	SvSETMAGIC (req->sv2);
321	PUSHs (sv_2mortal (newSViv (req->result)));	483	PUSHs (sv_2mortal (newSViv (req->result)));
		484	}
322	break;	485	break;
323		486
324	case EIO_DUP2:	487	case EIO_DUP2:
325	if (req->result > 0)	488	if (req->result > 0)
326	req->result = 0;	489	req->result = 0;
…		…
372	grp->sv2 = 0;	535	grp->sv2 = 0;
373		536
374	eio_grp_cancel (grp);	537	eio_grp_cancel (grp);
375	}	538	}
376		539
377	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else
380	# define TO_SOCKET(x) (x)
381	#endif
382
383	static void	540	static void
384	create_respipe (void)	541	create_respipe (void)
385	{	542	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))	543	if (s_epipe_renew (&respipe))
395	#endif
396	croak ("unable to initialize result pipe");	544	croak ("IO::AIO: unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}	545	}
420		546
421	static void poll_wait (void)	547	static void poll_wait (void)
422	{	548	{
423	fd_set rfd;
424
425	while (eio_nreqs ())	549	while (eio_nreqs ())
426	{	550	{
427	int size;	551	int size;
428		552
429	X_LOCK (reslock);	553	X_LOCK (reslock);
…		…
433	if (size)	557	if (size)
434	return;	558	return;
435		559
436	etp_maybe_start_thread ();	560	etp_maybe_start_thread ();
437		561
438	FD_ZERO (&rfd);	562	s_epipe_wait (&respipe);
439	FD_SET (respipe [0], &rfd);
440
441	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
442	}	563	}
443	}	564	}
444		565
445	static int poll_cb (void)	566	static int poll_cb (void)
446	{	567	{
…		…
461	static void atfork_child (void)	582	static void atfork_child (void)
462	{	583	{
463	create_respipe ();	584	create_respipe ();
464	}	585	}
465		586
		587	/*****************************************************************************/
		588
		589	#if !_POSIX_MAPPED_FILES
		590	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		591	# define munmap(addr,length) (errno = ENOSYS, -1)
		592	#endif
		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
466	static SV *	620	static SV *
467	get_cb (SV *cb_sv)	621	get_cb (SV *cb_sv)
468	{	622	{
469	HV *st;	623	SvGETMAGIC (cb_sv);
470	GV *gvp;	624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
471	CV *cv;
472
473	if (!SvOK (cb_sv))
474	return 0;
475
476	cv = sv_2cv (cb_sv, &st, &gvp, 0);
477
478	if (!cv)
479	croak ("IO::AIO watcher callback must be undef or a CODE reference");
480
481	return (SV *)cv;
482	}	625	}
483		626
484	#define dREQ \	627	#define dREQ \
485	SV *cb_cv; \	628	SV *cb_cv; \
486	aio_req req; \	629	aio_req req; \
…		…
500	PUTBACK; \	643	PUTBACK; \
501	req_submit (req); \	644	req_submit (req); \
502	SPAGAIN; \	645	SPAGAIN; \
503	\	646	\
504	if (GIMME_V != G_VOID) \	647	if (GIMME_V != G_VOID) \
505	XPUSHs (req_sv (req, AIO_REQ_KLASS));	648	XPUSHs (req_sv (req, aio_req_stash));
506		649
507	MODULE = IO::AIO PACKAGE = IO::AIO	650	MODULE = IO::AIO PACKAGE = IO::AIO
508		651
509	PROTOTYPES: ENABLE	652	PROTOTYPES: ENABLE
510		653
511	BOOT:	654	BOOT:
512	{	655	{
513	stash = gv_stashpv ("IO::AIO", 1);	656	static const struct {
514		657	const char *name;
515	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	658	IV iv;
516	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	659	} *civ, const_iv[] = {
517	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	660	# define const_niv(name, value) { # name, (IV) value },
518	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	661	# define const_iv(name) { # name, (IV) name },
519	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)
520	#ifndef _WIN32	669	#ifndef _WIN32
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	670	const_iv (S_IFIFO)
522	#endif	671	#endif
		672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
523		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
524	create_respipe ();	747	create_respipe ();
525		748
526	if (eio_init (want_poll, done_poll) < 0)	749	if (eio_init (want_poll, done_poll) < 0)
527	croak ("IO::AIO: unable to initialise eio library");	750	croak ("IO::AIO: unable to initialise eio library");
528		751
529	/* atfork child called in fifo order, so before eio's handler */	752	/* atfork child called in fifo order, so before eio's handler */
530	X_THREAD_ATFORK (0, 0, atfork_child);	753	X_THREAD_ATFORK (0, 0, atfork_child);
531	}	754	}
532		755
533	void	756	void
534	max_poll_reqs (int nreqs)	757	max_poll_reqs (int nreqs)
535	PROTOTYPE: $	758	PROTOTYPE: $
…		…
588	ALIAS:	811	ALIAS:
589	aio_fsync = EIO_FSYNC	812	aio_fsync = EIO_FSYNC
590	aio_fdatasync = EIO_FDATASYNC	813	aio_fdatasync = EIO_FDATASYNC
591	PPCODE:	814	PPCODE:
592	{	815	{
		816	int fd = s_fileno_croak (fh, 0);
593	dREQ;	817	dREQ;
594		818
595	req->type = ix;	819	req->type = ix;
596	req->sv1 = newSVsv (fh);	820	req->sv1 = newSVsv (fh);
597	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	821	req->int1 = fd;
		822
		823	REQ_SEND (req);
		824	}
		825
		826	void
		827	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		828	PROTOTYPE: $$$$;$
		829	PPCODE:
		830	{
		831	int fd = s_fileno_croak (fh, 0);
		832	dREQ;
		833
		834	req->type = EIO_SYNC_FILE_RANGE;
		835	req->sv1 = newSVsv (fh);
		836	req->int1 = fd;
		837	req->offs = offset;
		838	req->size = nbytes;
		839	req->int2 = flags;
598		840
599	REQ_SEND (req);	841	REQ_SEND (req);
600	}	842	}
601		843
602	void	844	void
603	aio_close (SV fh, SV callback=&PL_sv_undef)	845	aio_close (SV fh, SV callback=&PL_sv_undef)
604	PROTOTYPE: $;$	846	PROTOTYPE: $;$
605	PPCODE:	847	PPCODE:
606	{	848	{
607	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		850	int fd = s_fileno_croak (fh, 0);
608	dREQ;	851	dREQ;
609		852
610	if (close_pipe < 0)	853	if (close_pipe < 0)
611	{	854	{
612	int pipefd [2];	855	int pipefd [2];
…		…
620	}	863	}
621		864
622	req->type = EIO_DUP2;	865	req->type = EIO_DUP2;
623	req->int1 = close_pipe;	866	req->int1 = close_pipe;
624	req->sv2 = newSVsv (fh);	867	req->sv2 = newSVsv (fh);
625	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	868	req->int2 = fd;
626		869
627	REQ_SEND (req);	870	REQ_SEND (req);
628	}	871	}
629		872
630	void	873	void
…		…
634	aio_write = EIO_WRITE	877	aio_write = EIO_WRITE
635	PROTOTYPE: $$$$$;$	878	PROTOTYPE: $$$$$;$
636	PPCODE:	879	PPCODE:
637	{	880	{
638	STRLEN svlen;	881	STRLEN svlen;
		882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
639	char *svptr = SvPVbyte (data, svlen);	883	char *svptr = SvPVbyte (data, svlen);
640	UV len = SvUV (length);	884	UV len = SvUV (length);
641
642	SvUPGRADE (data, SVt_PV);
643	SvPOK_on (data);
644		885
645	if (dataoffset < 0)	886	if (dataoffset < 0)
646	dataoffset += svlen;	887	dataoffset += svlen;
647		888
648	if (dataoffset < 0 \|\| dataoffset > svlen)	889	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
654	if (!SvOK (length) \|\| len + dataoffset > svlen)	895	if (!SvOK (length) \|\| len + dataoffset > svlen)
655	len = svlen - dataoffset;	896	len = svlen - dataoffset;
656	}	897	}
657	else	898	else
658	{	899	{
659	/* read: grow scalar as necessary */	900	/* read: check type and grow scalar as necessary */
		901	SvUPGRADE (data, SVt_PV);
660	svptr = SvGROW (data, len + dataoffset + 1);	902	svptr = SvGROW (data, len + dataoffset + 1);
661	}	903	}
662		904
663	if (len < 0)
664	croak ("length must not be negative");
665
666	{	905	{
667	dREQ;	906	dREQ;
668		907
669	req->type = ix;	908	req->type = ix;
670	req->sv1 = newSVsv (fh);	909	req->sv1 = newSVsv (fh);
671	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	910	req->int1 = fd;
672	: IoOFP (sv_2io (fh)));
673	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	911	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
674	req->size = len;	912	req->size = len;
675	req->sv2 = SvREFCNT_inc (data);	913	req->sv2 = SvREFCNT_inc (data);
676	req->ptr2 = (char *)svptr + dataoffset;	914	req->ptr2 = (char *)svptr + dataoffset;
677	req->stroffset = dataoffset;	915	req->stroffset = dataoffset;
…		…
700		938
701	REQ_SEND;	939	REQ_SEND;
702	}	940	}
703		941
704	void	942	void
705	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	943	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
706	PROTOTYPE: $$$$;$	944	PROTOTYPE: $$$$;$
707	PPCODE:	945	PPCODE:
708	{	946	{
		947	int ifd = s_fileno_croak (in_fh , 0);
		948	int ofd = s_fileno_croak (out_fh, 1);
709	dREQ;	949	dREQ;
710		950
711	req->type = EIO_SENDFILE;	951	req->type = EIO_SENDFILE;
712	req->sv1 = newSVsv (out_fh);	952	req->sv1 = newSVsv (out_fh);
713	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	953	req->int1 = ofd;
714	req->sv2 = newSVsv (in_fh);	954	req->sv2 = newSVsv (in_fh);
715	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	955	req->int2 = ifd;
716	req->offs = SvVAL64 (in_offset);	956	req->offs = in_offset;
717	req->size = length;	957	req->size = length;
718		958
719	REQ_SEND;	959	REQ_SEND;
720	}	960	}
721		961
722	void	962	void
723	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	963	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
724	PROTOTYPE: $$$;$	964	PROTOTYPE: $$$;$
725	PPCODE:	965	PPCODE:
726	{	966	{
		967	int fd = s_fileno_croak (fh, 0);
727	dREQ;	968	dREQ;
728		969
729	req->type = EIO_READAHEAD;	970	req->type = EIO_READAHEAD;
730	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
731	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	972	req->int1 = fd;
732	req->offs = SvVAL64 (offset);	973	req->offs = offset;
733	req->size = length;	974	req->size = length;
734		975
735	REQ_SEND;	976	REQ_SEND;
736	}	977	}
737		978
738	void	979	void
739	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	980	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
740	ALIAS:	981	ALIAS:
741	aio_stat = EIO_STAT	982	aio_stat = EIO_STAT
742	aio_lstat = EIO_LSTAT	983	aio_lstat = EIO_LSTAT
		984	aio_statvfs = EIO_STATVFS
743	PPCODE:	985	PPCODE:
744	{	986	{
745	dREQ;	987	dREQ;
746		988
747	req->sv1 = newSVsv (fh_or_path);	989	req->sv1 = newSVsv (fh_or_path);
…		…
751	req->type = ix;	993	req->type = ix;
752	req->ptr1 = SvPVbyte_nolen (req->sv1);	994	req->ptr1 = SvPVbyte_nolen (req->sv1);
753	}	995	}
754	else	996	else
755	{	997	{
756	req->type = EIO_FSTAT;	998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
757	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
758	}	1000	}
759		1001
760	REQ_SEND;	1002	REQ_SEND;
761	}	1003	}
…		…
856		1098
857	REQ_SEND;	1099	REQ_SEND;
858	}	1100	}
859		1101
860	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
861	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1120	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
862	ALIAS:	1121	ALIAS:
863	aio_unlink = EIO_UNLINK	1122	aio_unlink = EIO_UNLINK
864	aio_rmdir = EIO_RMDIR	1123	aio_rmdir = EIO_RMDIR
865	aio_readdir = EIO_READDIR	1124	aio_readdir = EIO_READDIR
…		…
907		1166
908	REQ_SEND;	1167	REQ_SEND;
909	}	1168	}
910		1169
911	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: $$$$;$
		1176	PPCODE:
		1177	{
		1178	STRLEN svlen;
		1179	UV len = SvUV (length);
		1180	char *svptr = SvPVbyte (data, svlen);
		1181
		1182	if (offset < 0)
		1183	offset += svlen;
		1184
		1185	if (offset < 0 \|\| offset > svlen)
		1186	croak ("offset outside of scalar");
		1187
		1188	if (!SvOK (length) \|\| len + offset > svlen)
		1189	len = svlen - offset;
		1190
		1191	{
		1192	dREQ;
		1193
		1194	req->type = ix;
		1195	req->size = len;
		1196	req->sv2 = SvREFCNT_inc (data);
		1197	req->ptr2 = (char *)svptr + offset;
		1198	req->int1 = flags;
		1199
		1200	REQ_SEND;
		1201	}
		1202	}
		1203
		1204	void
912	aio_busy (double delay, SV *callback=&PL_sv_undef)	1205	aio_busy (double delay, SV *callback=&PL_sv_undef)
913	PPCODE:	1206	PPCODE:
914	{	1207	{
915	dREQ;	1208	dREQ;
916		1209
…		…
928	dREQ;	1221	dREQ;
929		1222
930	req->type = EIO_GROUP;	1223	req->type = EIO_GROUP;
931		1224
932	req_submit (req);	1225	req_submit (req);
933	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1226	XPUSHs (req_sv (req, aio_grp_stash));
934	}	1227	}
935		1228
936	void	1229	void
937	aio_nop (SV *callback=&PL_sv_undef)	1230	aio_nop (SV *callback=&PL_sv_undef)
938	ALIAS:	1231	ALIAS:
…		…
990		1283
991	int	1284	int
992	poll_fileno()	1285	poll_fileno()
993	PROTOTYPE:	1286	PROTOTYPE:
994	CODE:	1287	CODE:
995	RETVAL = respipe [0];	1288	RETVAL = s_epipe_fd (&respipe);
996	OUTPUT:	1289	OUTPUT:
997	RETVAL	1290	RETVAL
998		1291
999	int	1292	int
1000	poll_cb(...)	1293	poll_cb(...)
…		…
1040	CODE:	1333	CODE:
1041	RETVAL = eio_nthreads ();	1334	RETVAL = eio_nthreads ();
1042	OUTPUT:	1335	OUTPUT:
1043	RETVAL	1336	RETVAL
1044		1337
		1338	int
		1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1340	PROTOTYPE: $$$$
		1341	CODE:
		1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1343	RETVAL = posix_fadvise (fh, offset, length, advice);
		1344	#else
		1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1346	#endif
		1347	OUTPUT:
		1348	RETVAL
		1349
		1350	ssize_t
		1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1352	PROTOTYPE: $$$$
		1353	CODE:
		1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1355	OUTPUT:
		1356	RETVAL
		1357
		1358	void
		1359	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1360	PROTOTYPE: $$$$$;$
		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
1045	void _on_next_submit (SV *cb)	1421	void _on_next_submit (SV *cb)
1046	CODE:	1422	CODE:
1047	SvREFCNT_dec (on_next_submit);	1423	SvREFCNT_dec (on_next_submit);
1048	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1049		1425
…		…
1063	if (GIMME_V != G_VOID)	1439	if (GIMME_V != G_VOID)
1064	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);
1065		1441
1066	if (items > 1)	1442	if (items > 1)
1067	{	1443	{
1068	SV *cb_cv = get_cb (callback);	1444	SV *cb_cv =get_cb (callback);
1069		1445
1070	SvREFCNT_dec (req->callback);	1446	SvREFCNT_dec (req->callback);
1071	req->callback = SvREFCNT_inc (cb_cv);	1447	req->callback = SvREFCNT_inc (cb_cv);
1072	}	1448	}
1073	}	1449	}
…		…
1110	AV *av;	1486	AV *av;
1111		1487
1112	grp->errorno = errno;	1488	grp->errorno = errno;
1113		1489
1114	av = newAV ();	1490	av = newAV ();
		1491	av_extend (av, items - 1);
1115		1492
1116	for (i = 1; i < items; ++i )	1493	for (i = 1; i < items; ++i )
1117	av_push (av, newSVsv (ST (i)));	1494	av_push (av, newSVsv (ST (i)));
1118		1495
1119	SvREFCNT_dec (grp->sv1);	1496	SvREFCNT_dec (grp->sv1);
…		…
1133	void	1510	void
1134	feed (aio_req grp, SV *callback=&PL_sv_undef)	1511	feed (aio_req grp, SV *callback=&PL_sv_undef)
1135	CODE:	1512	CODE:
1136	{	1513	{
1137	SvREFCNT_dec (grp->sv2);	1514	SvREFCNT_dec (grp->sv2);
1138	grp->sv2 = newSVsv (callback);	1515	grp->sv2 = newSVsv (callback);
		1516	grp->feed = aio_grp_feed;
1139		1517
1140	if (grp->int2 <= 0)	1518	if (grp->int2 <= 0)
1141	grp->int2 = 2;	1519	grp->int2 = 2;
1142		1520
1143	eio_grp_limit (grp, grp->int2);	1521	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.128 by root, Tue Sep 30 14:07:59 2008 UTC vs. Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.128 by root, Tue Sep 30 14:07:59 2008 UTC vs.
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC