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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
		16	#include <sys/statvfs.h>
16	#include <limits.h>	17	#include <limits.h>
17	#include <fcntl.h>	18	#include <fcntl.h>
18	#include <sched.h>	19	#include <sched.h>
		20
		21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
19		24
20	/* perl namespace pollution */	25	/* perl namespace pollution */
21	#undef VERSION	26	#undef VERSION
22		27
23	#ifdef _WIN32	28	#ifdef _WIN32
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
101		106
102	/*****************************************************************************/	107	/*****************************************************************************/
103		108
104	static HV *stash;
105	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
108		112
109	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
110	#define AIO_GRP_KLASS "IO::AIO::GRP"
111		114
112	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
113	SV *callback; \	116	SV *callback; \
114	SV sv1, sv2; \	117	SV sv1, sv2; \
115	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
121		124
122	#ifndef POSIX_FADV_NORMAL	125	#ifndef POSIX_FADV_NORMAL
123	# define POSIX_FADV_NORMAL 0	126	# define POSIX_FADV_NORMAL 0
124	# define NO_FADVISE 1	127	# define NO_FADVISE 1
125	#endif	128	#endif
126
127	#ifndef POSIX_FADV_SEQUENTIAL	129	#ifndef POSIX_FADV_SEQUENTIAL
128	# define POSIX_FADV_SEQUENTIAL 0	130	# define POSIX_FADV_SEQUENTIAL 0
129	#endif	131	#endif
130
131	#ifndef POSIX_FADV_RANDOM	132	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0	133	# define POSIX_FADV_RANDOM 0
133	#endif	134	#endif
134
135	#ifndef POSIX_FADV_NOREUSE	135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0	136	# define POSIX_FADV_NOREUSE 0
137	#endif	137	#endif
138
139	#ifndef POSIX_FADV_WILLNEED	138	#ifndef POSIX_FADV_WILLNEED
140	# define POSIX_FADV_WILLNEED 0	139	# define POSIX_FADV_WILLNEED 0
141	#endif	140	#endif
142
143	#ifndef POSIX_FADV_DONTNEED	141	#ifndef POSIX_FADV_DONTNEED
144	# define POSIX_FADV_DONTNEED 0	142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#if _XOPEN_SOURCE < 600 \|\| NO_FADVISE
		146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		147	#endif
		148
		149	#ifndef POSIX_MADV_NORMAL
		150	# define POSIX_MADV_NORMAL 0
		151	# define NO_MADVISE 1
		152	#endif
		153	#ifndef POSIX_MADV_SEQUENTIAL
		154	# define POSIX_MADV_SEQUENTIAL 0
		155	#endif
		156	#ifndef POSIX_MADV_RANDOM
		157	# define POSIX_MADV_RANDOM 0
		158	#endif
		159	#ifndef POSIX_MADV_WILLNEED
		160	# define POSIX_MADV_WILLNEED 0
		161	#endif
		162	#ifndef POSIX_MADV_DONTNEED
		163	# define POSIX_MADV_DONTNEED 0
		164	#endif
		165
		166	#if _XOPEN_SOURCE < 600 \|\| NO_MADVISE
		167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		168	#endif
		169
		170	#ifndef ST_NODEV
		171	# define ST_NODEV 0
		172	#endif
		173	#ifndef ST_NOEXEC
		174	# define ST_NOEXEC 0
		175	#endif
		176	#ifndef ST_SYNCHRONOUS
		177	# define ST_SYNCHRONOUS 0
		178	#endif
		179	#ifndef ST_MANDLOCK
		180	# define ST_MANDLOCK 0
		181	#endif
		182	#ifndef ST_WRITE
		183	# define ST_WRITE 0
		184	#endif
		185	#ifndef ST_APPEND
		186	# define ST_APPEND 0
		187	#endif
		188	#ifndef ST_IMMUTABLE
		189	# define ST_IMMUTABLE 0
		190	#endif
		191	#ifndef ST_NOATIME
		192	# define ST_NOATIME 0
		193	#endif
		194	#ifndef ST_NODIRATIME
		195	# define ST_NODIRATIME 0
		196	#endif
		197	#ifndef ST_RELATIME
		198	# define ST_RELATIME 0
		199	#endif
		200
		201	#ifndef MCL_CURRENT
		202	# define MCL_CURRENT 0
		203	#endif
		204	#ifndef MCL_FUTURE
		205	# define MCL_FUTURE 0
		206	#endif
		207
		208	#ifndef MAP_ANONYMOUS
		209	# ifdef MAP_ANON
		210	# define MAP_ANONYMOUS MAP_ANON
		211	# else
		212	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		213	# endif
		214	#endif
		215	#ifndef MAP_HUGETLB
		216	# define MAP_HUGETLB 0
		217	#endif
		218	#ifndef MAP_LOCKED
		219	# define MAP_LOCKED 0
		220	#endif
		221	#ifndef MAP_NORESERVE
		222	# define MAP_NORESERVE 0
		223	#endif
		224	#ifndef MAP_POPULATE
		225	# define MAP_POPULATE 0
		226	#endif
		227	#ifndef MAP_NONBLOCK
		228	# define MAP_NONBLOCK 0
		229	#endif
		230
		231	#ifndef PAGESIZE
		232	# define PAGESIZE sysconf (_SC_PAGESIZE)
145	#endif	233	#endif
146		234
147	static int req_invoke (eio_req *req);	235	static int req_invoke (eio_req *req);
148	#define EIO_FINISH(req) req_invoke (req)	236	#define EIO_FINISH(req) req_invoke (req)
149	static void req_destroy (eio_req *grp);	237	static void req_destroy (eio_req *grp);
…		…
160		248
161	static SV *on_next_submit;	249	static SV *on_next_submit;
162	static int next_pri = EIO_PRI_DEFAULT;	250	static int next_pri = EIO_PRI_DEFAULT;
163	static int max_outstanding;	251	static int max_outstanding;
164		252
165	static int respipe_osf [2];
166	static s_epipe respipe;	253	static s_epipe respipe;
167		254
168	static void req_destroy (aio_req req);	255	static void req_destroy (aio_req req);
169	static void req_cancel (aio_req req);	256	static void req_cancel (aio_req req);
170		257
…		…
179	/* read any signals sent by the worker threads */	266	/* read any signals sent by the worker threads */
180	s_epipe_drain (&respipe);	267	s_epipe_drain (&respipe);
181	}	268	}
182		269
183	/* must be called at most once */	270	/* must be called at most once */
184	static SV req_sv (aio_req req, const char klass)	271	static SV req_sv (aio_req req, HV stash)
185	{	272	{
186	if (!req->self)	273	if (!req->self)
187	{	274	{
188	req->self = (SV *)newHV ();	275	req->self = (SV *)newHV ();
189	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	276	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190	}	277	}
191		278
192	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	279	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193	}	280	}
194		281
195	static aio_req SvAIO_REQ (SV *sv)	282	static aio_req SvAIO_REQ (SV *sv)
196	{	283	{
197	MAGIC *mg;	284	MAGIC *mg;
198		285
199	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	286	if (!SvROK (sv)
		287	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		288	&& SvSTASH (SvRV (sv)) != aio_req_stash
		289	&& !sv_derived_from (sv, "IO::AIO::REQ")))
200	croak ("object of class " AIO_REQ_KLASS " expected");	290	croak ("object of class IO::AIO::REQ expected");
201		291
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	292	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		293
204	return mg ? (aio_req)mg->mg_ptr : 0;	294	return mg ? (aio_req)mg->mg_ptr : 0;
205	}	295	}
…		…
211	dSP;	301	dSP;
212		302
213	ENTER;	303	ENTER;
214	SAVETMPS;	304	SAVETMPS;
215	PUSHMARK (SP);	305	PUSHMARK (SP);
216	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	306	XPUSHs (req_sv (grp, aio_grp_stash));
217	PUTBACK;	307	PUTBACK;
218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	308	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
219	SPAGAIN;	309	SPAGAIN;
220	FREETMPS;	310	FREETMPS;
221	LEAVE;	311	LEAVE;
…		…
239	}	329	}
240	}	330	}
241		331
242	static int req_invoke (eio_req *req)	332	static int req_invoke (eio_req *req)
243	{	333	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	334	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	335	SvREADONLY_off (req->sv2);
248		336
249	if (!EIO_CANCELLED (req) && req->callback)	337	if (!EIO_CANCELLED (req) && req->callback)
250	{	338	{
		339	dSP;
		340	static SV sv_result_cache; / caches the result integer SV */
		341	SV *sv_result;
		342
251	ENTER;	343	ENTER;
252	SAVETMPS;	344	SAVETMPS;
253	PUSHMARK (SP);	345	PUSHMARK (SP);
254	EXTEND (SP, 1);	346	EXTEND (SP, 1);
		347
		348	/* do not recreate the result IV from scratch each time */
		349	if (expect_true (sv_result_cache))
		350	{
		351	sv_result = sv_result_cache; sv_result_cache = 0;
		352	SvIV_set (sv_result, req->result);
		353	}
		354	else
		355	{
		356	sv_result = newSViv (req->result);
		357	SvREADONLY_on (sv_result);
		358	}
255		359
256	switch (req->type)	360	switch (req->type)
257	{	361	{
258	case EIO_READDIR:	362	case EIO_READDIR:
259	{	363	{
…		…
327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	431	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
328	char sym [64];	432	char sym [64];
329	int symlen;	433	int symlen;
330		434
331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	435	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332	gv_init (gv, stash, sym, symlen, 0);	436	gv_init (gv, aio_stash, sym, symlen, 0);
333		437
334	symlen = snprintf (	438	symlen = snprintf (
335	sym,	439	sym,
336	sizeof (sym),	440	sizeof (sym),
337	"%s&=%d",	441	"%s&=%d",
…		…
345		449
346	PUSHs (fh);	450	PUSHs (fh);
347	}	451	}
348	break;	452	break;
349		453
		454	case EIO_STATVFS:
		455	case EIO_FSTATVFS:
		456	{
		457	SV *rv = &PL_sv_undef;
		458
		459	if (req->result >= 0)
		460	{
		461	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		462	HV *hv = newHV ();
		463
		464	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		465
		466	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		467	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		468	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		469	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		470	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		471	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		472	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		473	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		474	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		475	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		476	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		477	}
		478
		479	PUSHs (rv);
		480	}
		481
		482	break;
		483
350	case EIO_GROUP:	484	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	485	req->int1 = 2; /* mark group as finished */
352		486
353	if (req->sv1)	487	if (req->sv1)
354	{	488	{
…		…
374	case EIO_LSTAT:	508	case EIO_LSTAT:
375	case EIO_FSTAT:	509	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	510	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377	PL_laststatval = req->result;	511	PL_laststatval = req->result;
378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	512	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	513	PUSHs (sv_result);
380	break;	514	break;
381		515
382	case EIO_READ:	516	case EIO_READ:
383	{	517	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	518	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	519	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	520	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	521	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	522	PUSHs (sv_result);
389	}	523	}
390	break;	524	break;
391		525
392	case EIO_DUP2:	526	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393	if (req->result > 0)	527	if (req->result > 0)
394	req->result = 0;	528	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	529	/* FALLTHROUGH */
396		530
397	default:	531	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	532	PUSHs (sv_result);
399	break;	533	break;
400	}	534	}
401		535
402	errno = req->errorno;	536	errno = req->errorno;
403		537
404	PUTBACK;	538	PUTBACK;
405	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	539	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
406	SPAGAIN;	540	SPAGAIN;
		541
		542	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		543	SvREFCNT_dec (sv_result);
		544	else
		545	sv_result_cache = sv_result;
407		546
408	FREETMPS;	547	FREETMPS;
409	LEAVE;	548	LEAVE;
410		549
411	PUTBACK;	550	PUTBACK;
…		…
444		583
445	static void	584	static void
446	create_respipe (void)	585	create_respipe (void)
447	{	586	{
448	if (s_epipe_renew (&respipe))	587	if (s_epipe_renew (&respipe))
449	croak ("unable to initialize result pipe");	588	croak ("IO::AIO: unable to initialize result pipe");
450
451	respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452	respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453	}	589	}
454		590
455	static void poll_wait (void)	591	static void poll_wait (void)
456	{	592	{
457	while (eio_nreqs ())	593	while (eio_nreqs ())
…		…
489		625
490	static void atfork_child (void)	626	static void atfork_child (void)
491	{	627	{
492	create_respipe ();	628	create_respipe ();
493	}	629	}
		630
		631	/*****************************************************************************/
		632
		633	#if !_POSIX_MAPPED_FILES
		634	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		635	# define munmap(addr,length) (errno = ENOSYS, -1)
		636	#endif
		637
		638	#define MMAP_MAGIC PERL_MAGIC_ext
		639
		640	static int
		641	mmap_free (pTHX_ SV sv, MAGIC mg)
		642	{
		643	int old_errno = errno;
		644	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		645	errno = old_errno;
		646
		647	mg->mg_obj = 0; /* just in case */
		648
		649	SvREADONLY_off (sv);
		650
		651	if (SvPVX (sv) != mg->mg_ptr)
		652	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		653
		654	SvCUR_set (sv, 0);
		655	SvPVX (sv) = 0;
		656	SvOK_off (sv);
		657
		658	return 0;
		659	}
		660
		661	static MGVTBL mmap_vtbl = {
		662	0, 0, 0, 0, mmap_free
		663	};
		664
		665	/*****************************************************************************/
494		666
495	static SV *	667	static SV *
496	get_cb (SV *cb_sv)	668	get_cb (SV *cb_sv)
497	{	669	{
498	SvGETMAGIC (cb_sv);	670	SvGETMAGIC (cb_sv);
…		…
518	PUTBACK; \	690	PUTBACK; \
519	req_submit (req); \	691	req_submit (req); \
520	SPAGAIN; \	692	SPAGAIN; \
521	\	693	\
522	if (GIMME_V != G_VOID) \	694	if (GIMME_V != G_VOID) \
523	XPUSHs (req_sv (req, AIO_REQ_KLASS));	695	XPUSHs (req_sv (req, aio_req_stash));
524		696
525	MODULE = IO::AIO PACKAGE = IO::AIO	697	MODULE = IO::AIO PACKAGE = IO::AIO
526		698
527	PROTOTYPES: ENABLE	699	PROTOTYPES: ENABLE
528		700
…		…
530	{	702	{
531	static const struct {	703	static const struct {
532	const char *name;	704	const char *name;
533	IV iv;	705	IV iv;
534	} *civ, const_iv[] = {	706	} *civ, const_iv[] = {
535	# define const_iv(name, value) { # name, (IV) value },	707	# define const_niv(name, value) { # name, (IV) value },
		708	# define const_iv(name) { # name, (IV) name },
536	# define const_eio(name) { # name, (IV) EIO_ ## name },	709	# define const_eio(name) { # name, (IV) EIO_ ## name },
537	const_iv (EXDEV , EXDEV)	710	const_iv (EXDEV)
538	const_iv (ENOSYS , ENOSYS)	711	const_iv (ENOSYS)
539	const_iv (O_RDONLY, O_RDONLY)	712	const_iv (O_RDONLY)
540	const_iv (O_WRONLY, O_WRONLY)	713	const_iv (O_WRONLY)
		714	const_iv (O_RDWR)
541	const_iv (O_CREAT , O_CREAT)	715	const_iv (O_CREAT)
542	const_iv (O_TRUNC , O_TRUNC)	716	const_iv (O_TRUNC)
		717	const_iv (O_EXCL)
		718	const_iv (O_APPEND)
543	#ifndef _WIN32	719	#ifndef _WIN32
544	const_iv (S_IFIFO , S_IFIFO)	720	const_iv (S_IFIFO)
545	#endif	721	#endif
546	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	722	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	723	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	724	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	725	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	726	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	727	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		728
		729	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		730	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		731	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		732	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		733	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		734
		735	const_iv (ST_RDONLY)
		736	const_iv (ST_NOSUID)
		737	const_iv (ST_NODEV)
		738	const_iv (ST_NOEXEC)
		739	const_iv (ST_SYNCHRONOUS)
		740	const_iv (ST_MANDLOCK)
		741	const_iv (ST_WRITE)
		742	const_iv (ST_APPEND)
		743	const_iv (ST_IMMUTABLE)
		744	const_iv (ST_NOATIME)
		745	const_iv (ST_NODIRATIME)
		746	const_iv (ST_RELATIME)
		747
		748	const_iv (PROT_EXEC)
		749	const_iv (PROT_NONE)
		750	const_iv (PROT_READ)
		751	const_iv (PROT_WRITE)
		752
		753	/const_iv (MAP_FIXED)/
		754	const_iv (MAP_PRIVATE)
		755	const_iv (MAP_SHARED)
		756	const_iv (MAP_ANONYMOUS)
		757
		758	/* linuxish */
		759	const_iv (MAP_HUGETLB)
		760	const_iv (MAP_LOCKED)
		761	const_iv (MAP_NORESERVE)
		762	const_iv (MAP_POPULATE)
		763	const_iv (MAP_NONBLOCK)
		764
		765	const_iv (MCL_FUTURE)
		766	const_iv (MCL_CURRENT)
		767
		768	const_eio (MS_ASYNC)
		769	const_eio (MS_INVALIDATE)
		770	const_eio (MS_SYNC)
		771
		772	const_eio (MT_MODIFY)
552		773
553	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	774	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554	const_eio (SYNC_FILE_RANGE_WRITE)	775	const_eio (SYNC_FILE_RANGE_WRITE)
555	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	776	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556		777
…		…
568	const_eio (DT_LNK)	789	const_eio (DT_LNK)
569	const_eio (DT_SOCK)	790	const_eio (DT_SOCK)
570	const_eio (DT_WHT)	791	const_eio (DT_WHT)
571	};	792	};
572		793
573	stash = gv_stashpv ("IO::AIO", 1);	794	aio_stash = gv_stashpv ("IO::AIO" , 1);
		795	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		796	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574		797
575	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	798	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	799	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		800
		801	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577		802
578	create_respipe ();	803	create_respipe ();
579		804
580	if (eio_init (want_poll, done_poll) < 0)	805	if (eio_init (want_poll, done_poll) < 0)
581	croak ("IO::AIO: unable to initialise eio library");	806	croak ("IO::AIO: unable to initialise eio library");
…		…
808	}	1033	}
809		1034
810	void	1035	void
811	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1036	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
812	ALIAS:	1037	ALIAS:
813	aio_stat = EIO_STAT	1038	aio_stat = EIO_STAT
814	aio_lstat = EIO_LSTAT	1039	aio_lstat = EIO_LSTAT
		1040	aio_statvfs = EIO_STATVFS
815	PPCODE:	1041	PPCODE:
816	{	1042	{
817	dREQ;	1043	dREQ;
818		1044
819	req->sv1 = newSVsv (fh_or_path);	1045	req->sv1 = newSVsv (fh_or_path);
…		…
823	req->type = ix;	1049	req->type = ix;
824	req->ptr1 = SvPVbyte_nolen (req->sv1);	1050	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	}	1051	}
826	else	1052	else
827	{	1053	{
828	req->type = EIO_FSTAT;	1054	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1055	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830	}	1056	}
831		1057
832	REQ_SEND;	1058	REQ_SEND;
833	}	1059	}
…		…
996		1222
997	REQ_SEND;	1223	REQ_SEND;
998	}	1224	}
999		1225
1000	void	1226	void
		1227	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1228	ALIAS:
		1229	aio_mtouch = EIO_MTOUCH
		1230	aio_msync = EIO_MSYNC
		1231	PROTOTYPE: $$$$;$
		1232	PPCODE:
		1233	{
		1234	STRLEN svlen;
		1235	UV len = SvUV (length);
		1236	char *svptr = SvPVbyte (data, svlen);
		1237
		1238	if (offset < 0)
		1239	offset += svlen;
		1240
		1241	if (offset < 0 \|\| offset > svlen)
		1242	croak ("offset outside of scalar");
		1243
		1244	if (!SvOK (length) \|\| len + offset > svlen)
		1245	len = svlen - offset;
		1246
		1247	{
		1248	dREQ;
		1249
		1250	req->type = ix;
		1251	req->size = len;
		1252	req->sv2 = SvREFCNT_inc (data);
		1253	req->ptr2 = (char *)svptr + offset;
		1254	req->int1 = flags;
		1255
		1256	REQ_SEND;
		1257	}
		1258	}
		1259
		1260	void
1001	aio_busy (double delay, SV *callback=&PL_sv_undef)	1261	aio_busy (double delay, SV *callback=&PL_sv_undef)
1002	PPCODE:	1262	PPCODE:
1003	{	1263	{
1004	dREQ;	1264	dREQ;
1005		1265
…		…
1017	dREQ;	1277	dREQ;
1018		1278
1019	req->type = EIO_GROUP;	1279	req->type = EIO_GROUP;
1020		1280
1021	req_submit (req);	1281	req_submit (req);
1022	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1282	XPUSHs (req_sv (req, aio_grp_stash));
1023	}	1283	}
1024		1284
1025	void	1285	void
1026	aio_nop (SV *callback=&PL_sv_undef)	1286	aio_nop (SV *callback=&PL_sv_undef)
1027	ALIAS:	1287	ALIAS:
…		…
1133		1393
1134	int	1394	int
1135	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1395	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136	PROTOTYPE: $$$$	1396	PROTOTYPE: $$$$
1137	CODE:	1397	CODE:
1138	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139	RETVAL = posix_fadvise (fh, offset, length, advice);	1398	RETVAL = posix_fadvise (fh, offset, length, advice);
1140	#else
1141	RETVAL = errno = ENOSYS;
1142	#endif
1143	OUTPUT:	1399	OUTPUT:
1144	RETVAL	1400	RETVAL
1145		1401
1146	ssize_t	1402	ssize_t
1147	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1403	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148	PROTOTYPE: $$$$	1404	PROTOTYPE: $$$$
1149	CODE:	1405	CODE:
1150	eio_sendfile_sync (ofh, ifh, offset, count);	1406	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1407	OUTPUT:
		1408	RETVAL
		1409
		1410	void
		1411	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1412	PROTOTYPE: $$$$$;$
		1413	PPCODE:
		1414	sv_unmagic (scalar, MMAP_MAGIC);
		1415	{
		1416	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1417	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1418	if (addr == (void *)-1)
		1419	XSRETURN_NO;
		1420
		1421	sv_force_normal (scalar);
		1422
		1423	/* we store the length in mg_obj, as namlen is I32 :/ */
		1424	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1425	->mg_obj = (SV *)length;
		1426
		1427	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1428
		1429	if (!(prot & PROT_WRITE))
		1430	SvREADONLY_on (scalar);
		1431
		1432	if (SvLEN (scalar))
		1433	Safefree (SvPVX (scalar));
		1434
		1435	SvPVX (scalar) = (char *)addr;
		1436	SvCUR_set (scalar, length);
		1437	SvLEN_set (scalar, 0);
		1438	SvPOK_only (scalar);
		1439
		1440	XSRETURN_YES;
		1441	}
		1442
		1443	void
		1444	munmap (SV *scalar)
		1445	PROTOTYPE: $
		1446	CODE:
		1447	sv_unmagic (scalar, MMAP_MAGIC);
		1448
		1449	int
		1450	madvise (SV *scalar, off_t offset, off_t length, IV advice)
		1451	PROTOTYPE: $$$$
		1452	CODE:
		1453	{
		1454	char *addr = SvPV_nolen (scalar) + offset;
		1455
		1456	if (!SvOK (ST (2)))
		1457	length = SvCUR (scalar) - offset;
		1458
		1459	if (addr >= SvEND (scalar) \|\| length <= 0)
		1460	XSRETURN_EMPTY;
		1461
		1462	RETVAL = posix_madvise (addr, length, advice);
		1463	}
		1464	OUTPUT:
		1465	RETVAL
		1466
		1467	int
		1468	mlockall (int flags)
		1469	PROTOTYPE: $
		1470	CODE:
		1471	#if _POSIX_MEMLOCK
		1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1473	extern int mallopt (int, int);
		1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1475	#endif
		1476	mlockall (flags);
		1477	#else
		1478	RETVAL = -1;
		1479	errno = ENOSYS;
		1480	#endif
		1481	OUTPUT:
		1482	RETVAL
		1483
		1484	int
		1485	munlockall ()
		1486	PROTOTYPE:
		1487	CODE:
		1488	#if _POSIX_MEMLOCK
		1489	munlockall ();
		1490	#else
		1491	RETVAL = -1;
		1492	errno = ENOSYS;
		1493	#endif
		1494	OUTPUT:
		1495	RETVAL
1151		1496
1152	void _on_next_submit (SV *cb)	1497	void _on_next_submit (SV *cb)
1153	CODE:	1498	CODE:
1154	SvREFCNT_dec (on_next_submit);	1499	SvREFCNT_dec (on_next_submit);
1155	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs. Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC