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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.126 by root, Thu Sep 25 07:56:07 2008 UTC vs.
Revision 1.178 by root, Fri Jan 7 21:45:42 2011 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_MEMLOCK_RANGE \|\| _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	static HV *stash;	96	/*****************************************************************************/
		97
		98	#if __GNUC__ >= 3
		99	# define expect(expr,value) __builtin_expect ((expr),(value))
		100	#else
		101	# define expect(expr,value) (expr)
		102	#endif
		103
		104	#define expect_false(expr) expect ((expr) != 0, 0)
		105	#define expect_true(expr) expect ((expr) != 0, 1)
		106
		107	/*****************************************************************************/
		108
86	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 */
87		112
88	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
89	#define AIO_GRP_KLASS "IO::AIO::GRP"
90		114
91	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
92	SV *callback; \	116	SV *callback; \
93	SV sv1, sv2; \	117	SV sv1, sv2; \
94	STRLEN stroffset; \	118	STRLEN stroffset; \
95	SV *self;	119	SV *self;
96		120
97	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
98		122
		123	#include "libeio/config.h"
99	#include "libeio/eio.h"	124	#include "libeio/eio.h"
		125
		126	#ifndef POSIX_FADV_NORMAL
		127	# define POSIX_FADV_NORMAL 0
		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	#if !HAVE_POSIX_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	#endif
		152	#ifndef POSIX_MADV_SEQUENTIAL
		153	# define POSIX_MADV_SEQUENTIAL 0
		154	#endif
		155	#ifndef POSIX_MADV_RANDOM
		156	# define POSIX_MADV_RANDOM 0
		157	#endif
		158	#ifndef POSIX_MADV_WILLNEED
		159	# define POSIX_MADV_WILLNEED 0
		160	#endif
		161	#ifndef POSIX_MADV_DONTNEED
		162	# define POSIX_MADV_DONTNEED 0
		163	#endif
		164
		165	#if !HAVE_POSIX_MADVISE
		166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		167	#endif
		168
		169	#ifndef PROT_NONE
		170	# define PROT_NONE 0
		171	#endif
		172	#ifndef PROT_READ
		173	# define PROT_READ 0
		174	#endif
		175	#ifndef PROT_WRITE
		176	# define PROT_READ 0
		177	#endif
		178	#ifndef PROT_EXEC
		179	# define PROT_EXEC 0
		180	#endif
		181
		182	#ifndef ST_NODEV
		183	# define ST_NODEV 0
		184	#endif
		185	#ifndef ST_NOEXEC
		186	# define ST_NOEXEC 0
		187	#endif
		188	#ifndef ST_SYNCHRONOUS
		189	# define ST_SYNCHRONOUS 0
		190	#endif
		191	#ifndef ST_MANDLOCK
		192	# define ST_MANDLOCK 0
		193	#endif
		194	#ifndef ST_WRITE
		195	# define ST_WRITE 0
		196	#endif
		197	#ifndef ST_APPEND
		198	# define ST_APPEND 0
		199	#endif
		200	#ifndef ST_IMMUTABLE
		201	# define ST_IMMUTABLE 0
		202	#endif
		203	#ifndef ST_NOATIME
		204	# define ST_NOATIME 0
		205	#endif
		206	#ifndef ST_NODIRATIME
		207	# define ST_NODIRATIME 0
		208	#endif
		209	#ifndef ST_RELATIME
		210	# define ST_RELATIME 0
		211	#endif
		212
		213	#ifndef MAP_ANONYMOUS
		214	# ifdef MAP_ANON
		215	# define MAP_ANONYMOUS MAP_ANON
		216	# else
		217	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		218	# endif
		219	#endif
		220	#ifndef MAP_HUGETLB
		221	# define MAP_HUGETLB 0
		222	#endif
		223	#ifndef MAP_LOCKED
		224	# define MAP_LOCKED 0
		225	#endif
		226	#ifndef MAP_NORESERVE
		227	# define MAP_NORESERVE 0
		228	#endif
		229	#ifndef MAP_POPULATE
		230	# define MAP_POPULATE 0
		231	#endif
		232	#ifndef MAP_NONBLOCK
		233	# define MAP_NONBLOCK 0
		234	#endif
		235
		236	#ifndef PAGESIZE
		237	# define PAGESIZE sysconf (_SC_PAGESIZE)
		238	#endif
100		239
101	static int req_invoke (eio_req *req);	240	static int req_invoke (eio_req *req);
102	#define EIO_FINISH(req) req_invoke (req)	241	#define EIO_FINISH(req) req_invoke (req)
103	static void aio_grp_feed (eio_req *grp);
104	#define EIO_FEED(req) aio_grp_feed (req)
105	static void req_destroy (eio_req *grp);	242	static void req_destroy (eio_req *grp);
106	#define EIO_DESTROY(req) req_destroy (req)	243	#define EIO_DESTROY(req) req_destroy (req)
107		244
108	enum {	245	enum {
109	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	246	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
116		253
117	static SV *on_next_submit;	254	static SV *on_next_submit;
118	static int next_pri = EIO_PRI_DEFAULT;	255	static int next_pri = EIO_PRI_DEFAULT;
119	static int max_outstanding;	256	static int max_outstanding;
120		257
121	static int respipe_osf [2], respipe [2] = { -1, -1 };	258	static s_epipe respipe;
122		259
123	static void req_destroy (aio_req req);	260	static void req_destroy (aio_req req);
124	static void req_cancel (aio_req req);	261	static void req_cancel (aio_req req);
125		262
126	static void want_poll (void)	263	static void want_poll (void)
127	{	264	{
128	/* write a dummy byte to the pipe so fh becomes ready */	265	/* write a dummy byte to the pipe so fh becomes ready */
129	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	266	s_epipe_signal (&respipe);
130	}	267	}
131		268
132	static void done_poll (void)	269	static void done_poll (void)
133	{	270	{
134	/* read any signals sent by the worker threads */	271	/* read any signals sent by the worker threads */
135	char buf [4];	272	s_epipe_drain (&respipe);
136	while (respipe_read (respipe [0], buf, 4) == 4)
137	;
138	}	273	}
139		274
140	/* must be called at most once */	275	/* must be called at most once */
141	static SV req_sv (aio_req req, const char klass)	276	static SV req_sv (aio_req req, HV stash)
142	{	277	{
143	if (!req->self)	278	if (!req->self)
144	{	279	{
145	req->self = (SV *)newHV ();	280	req->self = (SV *)newHV ();
146	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
147	}	282	}
148		283
149	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
150	}	285	}
151		286
152	static aio_req SvAIO_REQ (SV *sv)	287	static aio_req SvAIO_REQ (SV *sv)
153	{	288	{
154	MAGIC *mg;	289	MAGIC *mg;
155		290
156	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	291	if (!SvROK (sv)
		292	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		293	&& SvSTASH (SvRV (sv)) != aio_req_stash
		294	&& !sv_derived_from (sv, "IO::AIO::REQ")))
157	croak ("object of class " AIO_REQ_KLASS " expected");	295	croak ("object of class IO::AIO::REQ expected");
158		296
159	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
160		298
161	return mg ? (aio_req)mg->mg_ptr : 0;	299	return mg ? (aio_req)mg->mg_ptr : 0;
162	}	300	}
…		…
168	dSP;	306	dSP;
169		307
170	ENTER;	308	ENTER;
171	SAVETMPS;	309	SAVETMPS;
172	PUSHMARK (SP);	310	PUSHMARK (SP);
173	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	311	XPUSHs (req_sv (grp, aio_grp_stash));
174	PUTBACK;	312	PUTBACK;
175	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	313	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
176	SPAGAIN;	314	SPAGAIN;
177	FREETMPS;	315	FREETMPS;
178	LEAVE;	316	LEAVE;
…		…
181		319
182	static void req_submit (eio_req *req)	320	static void req_submit (eio_req *req)
183	{	321	{
184	eio_submit (req);	322	eio_submit (req);
185		323
186	if (on_next_submit)	324	if (expect_false (on_next_submit))
187	{	325	{
188	dSP;	326	dSP;
189	SV *cb = sv_2mortal (on_next_submit);	327	SV *cb = sv_2mortal (on_next_submit);
190		328
191	on_next_submit = 0;	329	on_next_submit = 0;
…		…
196	}	334	}
197	}	335	}
198		336
199	static int req_invoke (eio_req *req)	337	static int req_invoke (eio_req *req)
200	{	338	{
201	dSP;
202
203	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
204	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
205		341
206	if (!EIO_CANCELLED (req) && SvOK (req->callback))	342	if (!EIO_CANCELLED (req) && req->callback)
207	{	343	{
		344	dSP;
		345	static SV sv_result_cache; / caches the result integer SV */
		346	SV *sv_result;
		347
208	ENTER;	348	ENTER;
209	SAVETMPS;	349	SAVETMPS;
210	PUSHMARK (SP);	350	PUSHMARK (SP);
211	EXTEND (SP, 1);	351	EXTEND (SP, 1);
		352
		353	/* do not recreate the result IV from scratch each time */
		354	if (expect_true (sv_result_cache))
		355	{
		356	sv_result = sv_result_cache; sv_result_cache = 0;
		357	SvIV_set (sv_result, req->result);
		358	SvIOK_only (sv_result);
		359	}
		360	else
		361	{
		362	sv_result = newSViv (req->result);
		363	SvREADONLY_on (sv_result);
		364	}
212		365
213	switch (req->type)	366	switch (req->type)
214	{	367	{
215	case EIO_READDIR:	368	case EIO_READDIR:
216	{	369	{
217	SV *rv = &PL_sv_undef;	370	SV *rv = &PL_sv_undef;
218		371
219	if (req->result >= 0)	372	if (req->result >= 0)
220	{	373	{
221	int i;	374	int i;
222	char *buf = req->ptr2;	375	char names = (char )req->ptr2;
		376	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
223	AV *av = newAV ();	377	AV *av = newAV ();
224		378
225	av_extend (av, req->result - 1);	379	av_extend (av, req->result - 1);
226		380
227	for (i = 0; i < req->result; ++i)	381	for (i = 0; i < req->result; ++i)
228	{	382	{
229	SV *sv = newSVpv (buf, 0);	383	if (req->int1 & EIO_READDIR_DENTS)
		384	{
		385	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
230		386
		387	if (req->int1 & EIO_READDIR_CUSTOM2)
		388	{
		389	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		390	AV *avent = newAV ();
		391
		392	av_extend (avent, 2);
		393
		394	if (!sv_type [ent->type])
		395	{
		396	sv_type [ent->type] = newSViv (ent->type);
		397	SvREADONLY_on (sv_type [ent->type]);
		398	}
		399
		400	av_store (avent, 0, namesv);
		401	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		402	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		403
		404	av_store (av, i, newRV_noinc ((SV *)avent));
		405	}
		406	else
231	av_store (av, i, sv);	407	av_store (av, i, namesv);
		408
		409	++ent;
		410	}
		411	else
		412	{
		413	SV *name = newSVpv (names, 0);
		414	av_store (av, i, name);
232	buf += SvCUR (sv) + 1;	415	names += SvCUR (name) + 1;
		416	}
233	}	417	}
234		418
235	rv = sv_2mortal (newRV_noinc ((SV *)av));	419	rv = sv_2mortal (newRV_noinc ((SV *)av));
236	}	420	}
237		421
238	PUSHs (rv);	422	PUSHs (rv);
		423
		424	if (req->int1 & EIO_READDIR_CUSTOM1)
		425	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
239	}	426	}
240	break;	427	break;
241		428
242	case EIO_OPEN:	429	case EIO_OPEN:
243	{	430	{
…		…
249	GV gv = (GV )sv_newmortal ();	436	GV gv = (GV )sv_newmortal ();
250	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	437	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
251	char sym [64];	438	char sym [64];
252	int symlen;	439	int symlen;
253		440
254	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	441	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
255	gv_init (gv, stash, sym, symlen, 0);	442	gv_init (gv, aio_stash, sym, symlen, 0);
256		443
257	symlen = snprintf (	444	symlen = snprintf (
258	sym,	445	sym,
259	sizeof (sym),	446	sizeof (sym),
260	"%s&=%d",	447	"%s&=%d",
261	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	448	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
262	req->result	449	(int)req->result
263	);	450	);
264		451
265	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	452	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
266	fh = (SV *)gv;	453	fh = (SV *)gv;
267	}	454	}
268		455
269	PUSHs (fh);	456	PUSHs (fh);
270	}	457	}
		458	break;
		459
		460	case EIO_STATVFS:
		461	case EIO_FSTATVFS:
		462	{
		463	SV *rv = &PL_sv_undef;
		464
		465	if (req->result >= 0)
		466	{
		467	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		468	HV *hv = newHV ();
		469
		470	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		471
		472	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		473	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		474	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		475	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		476	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		477	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		478	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		479	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		480	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		481	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		482	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		483	}
		484
		485	PUSHs (rv);
		486	}
		487
271	break;	488	break;
272		489
273	case EIO_GROUP:	490	case EIO_GROUP:
274	req->int1 = 2; /* mark group as finished */	491	req->int1 = 2; /* mark group as finished */
275		492
…		…
297	case EIO_LSTAT:	514	case EIO_LSTAT:
298	case EIO_FSTAT:	515	case EIO_FSTAT:
299	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
300	PL_laststatval = req->result;	517	PL_laststatval = req->result;
301	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	518	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
302	PUSHs (sv_2mortal (newSViv (req->result)));	519	PUSHs (sv_result);
303	break;	520	break;
304		521
305	case EIO_READ:	522	case EIO_READ:
		523	{
306	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	524	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
307	*SvEND (req->sv2) = 0;	525	*SvEND (req->sv2) = 0;
308	PUSHs (sv_2mortal (newSViv (req->result)));	526	SvPOK_only (req->sv2);
		527	SvSETMAGIC (req->sv2);
		528	PUSHs (sv_result);
		529	}
309	break;	530	break;
310		531
311	case EIO_DUP2:	532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
312	if (req->result > 0)	533	if (req->result > 0)
313	req->result = 0;	534	SvIV_set (sv_result, 0);
314	/* FALLTHROUGH */	535	/* FALLTHROUGH */
315		536
316	default:	537	default:
317	PUSHs (sv_2mortal (newSViv (req->result)));	538	PUSHs (sv_result);
318	break;	539	break;
319	}	540	}
320		541
321	errno = req->errorno;	542	errno = req->errorno;
322		543
323	PUTBACK;	544	PUTBACK;
324	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	545	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
325	SPAGAIN;	546	SPAGAIN;
		547
		548	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		549	SvREFCNT_dec (sv_result);
		550	else
		551	sv_result_cache = sv_result;
326		552
327	FREETMPS;	553	FREETMPS;
328	LEAVE;	554	LEAVE;
329		555
330	PUTBACK;	556	PUTBACK;
…		…
359	grp->sv2 = 0;	585	grp->sv2 = 0;
360		586
361	eio_grp_cancel (grp);	587	eio_grp_cancel (grp);
362	}	588	}
363		589
364	#ifdef USE_SOCKETS_AS_HANDLES
365	# define TO_SOCKET(x) (win32_get_osfhandle (x))
366	#else
367	# define TO_SOCKET(x) (x)
368	#endif
369
370	static void	590	static void
371	create_respipe (void)	591	create_respipe (void)
372	{	592	{
373	int old_readfd = respipe [0];
374
375	if (respipe [1] >= 0)
376	respipe_close (TO_SOCKET (respipe [1]));
377
378	#ifdef _WIN32
379	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
380	#else
381	if (pipe (respipe))	593	if (s_epipe_renew (&respipe))
382	#endif
383	croak ("unable to initialize result pipe");	594	croak ("IO::AIO: unable to initialize result pipe");
384
385	if (old_readfd >= 0)
386	{
387	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
388	croak ("unable to initialize result pipe(2)");
389
390	respipe_close (respipe [0]);
391	respipe [0] = old_readfd;
392	}
393
394	#ifdef _WIN32
395	int arg = 1;
396	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
397	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
398	#else
399	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
400	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
401	#endif
402	croak ("unable to initialize result pipe(3)");
403
404	respipe_osf [0] = TO_SOCKET (respipe [0]);
405	respipe_osf [1] = TO_SOCKET (respipe [1]);
406	}	595	}
407		596
408	static void poll_wait (void)	597	static void poll_wait (void)
409	{	598	{
410	fd_set rfd;
411
412	while (eio_nreqs ())	599	while (eio_nreqs ())
413	{	600	{
414	int size;	601	int size;
415		602
416	X_LOCK (reslock);	603	X_LOCK (reslock);
…		…
420	if (size)	607	if (size)
421	return;	608	return;
422		609
423	etp_maybe_start_thread ();	610	etp_maybe_start_thread ();
424		611
425	FD_ZERO (&rfd);	612	s_epipe_wait (&respipe);
426	FD_SET (respipe [0], &rfd);
427
428	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
429	}	613	}
430	}	614	}
431		615
432	static int poll_cb (void)	616	static int poll_cb (void)
433	{	617	{
…		…
448	static void atfork_child (void)	632	static void atfork_child (void)
449	{	633	{
450	create_respipe ();	634	create_respipe ();
451	}	635	}
452		636
		637	/*****************************************************************************/
		638
		639	#if !_POSIX_MAPPED_FILES
		640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		641	# define munmap(addr,length) (errno = ENOSYS, -1)
		642	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		643	# define PROT_NONE 0
		644	# define PROT_WRITE 0
		645	# define MAP_PRIVATE 0
		646	# define MAP_SHARED 0
		647	# define MAP_FIXED 0
		648	#endif
		649
		650	#define MMAP_MAGIC PERL_MAGIC_ext
		651
		652	static int
		653	mmap_free (pTHX_ SV sv, MAGIC mg)
		654	{
		655	int old_errno = errno;
		656	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		657	errno = old_errno;
		658
		659	mg->mg_obj = 0; /* just in case */
		660
		661	SvREADONLY_off (sv);
		662
		663	if (SvPVX (sv) != mg->mg_ptr)
		664	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		665
		666	SvCUR_set (sv, 0);
		667	SvPVX (sv) = 0;
		668	SvOK_off (sv);
		669
		670	return 0;
		671	}
		672
		673	static MGVTBL mmap_vtbl = {
		674	0, 0, 0, 0, mmap_free
		675	};
		676
		677	/*****************************************************************************/
		678
		679	static SV *
		680	get_cb (SV *cb_sv)
		681	{
		682	SvGETMAGIC (cb_sv);
		683	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		684	}
		685
453	#define dREQ \	686	#define dREQ \
		687	SV *cb_cv; \
454	aio_req req; \	688	aio_req req; \
455	int req_pri = next_pri; \	689	int req_pri = next_pri; \
456	next_pri = EIO_PRI_DEFAULT; \	690	next_pri = EIO_PRI_DEFAULT; \
457	\	691	\
458	if (SvOK (callback) && !SvROK (callback)) \	692	cb_cv = get_cb (callback); \
459	croak ("callback must be undef or of reference type"); \
460	\	693	\
461	Newz (0, req, 1, eio_req); \	694	Newz (0, req, 1, eio_req); \
462	if (!req) \	695	if (!req) \
463	croak ("out of memory during eio_req allocation"); \	696	croak ("out of memory during eio_req allocation"); \
464	\	697	\
465	req->callback = newSVsv (callback); \	698	req->callback = SvREFCNT_inc (cb_cv); \
466	req->pri = req_pri	699	req->pri = req_pri
467		700
468	#define REQ_SEND \	701	#define REQ_SEND \
469	PUTBACK; \	702	PUTBACK; \
470	req_submit (req); \	703	req_submit (req); \
471	SPAGAIN; \	704	SPAGAIN; \
472	\	705	\
473	if (GIMME_V != G_VOID) \	706	if (GIMME_V != G_VOID) \
474	XPUSHs (req_sv (req, AIO_REQ_KLASS));	707	XPUSHs (req_sv (req, aio_req_stash));
475		708
476	MODULE = IO::AIO PACKAGE = IO::AIO	709	MODULE = IO::AIO PACKAGE = IO::AIO
477		710
478	PROTOTYPES: ENABLE	711	PROTOTYPES: ENABLE
479		712
480	BOOT:	713	BOOT:
481	{	714	{
482	stash = gv_stashpv ("IO::AIO", 1);	715	static const struct {
483		716	const char *name;
484	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	717	IV iv;
485	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	718	} *civ, const_iv[] = {
486	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	719	# define const_niv(name, value) { # name, (IV) value },
487	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	720	# define const_iv(name) { # name, (IV) name },
488	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	721	# define const_eio(name) { # name, (IV) EIO_ ## name },
		722	const_iv (EXDEV)
		723	const_iv (ENOSYS)
		724	const_iv (O_RDONLY)
		725	const_iv (O_WRONLY)
		726	const_iv (O_RDWR)
		727	const_iv (O_CREAT)
		728	const_iv (O_TRUNC)
		729	const_iv (O_EXCL)
		730	const_iv (O_APPEND)
489	#ifndef _WIN32	731	#ifndef _WIN32
490	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	732	const_iv (S_IFIFO)
491	#endif	733	#endif
		734	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		735	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		736	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		737	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		738	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		739	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
492		740
		741	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		742	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		743	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		744	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		745	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		746
		747	const_iv (ST_RDONLY)
		748	const_iv (ST_NOSUID)
		749	const_iv (ST_NODEV)
		750	const_iv (ST_NOEXEC)
		751	const_iv (ST_SYNCHRONOUS)
		752	const_iv (ST_MANDLOCK)
		753	const_iv (ST_WRITE)
		754	const_iv (ST_APPEND)
		755	const_iv (ST_IMMUTABLE)
		756	const_iv (ST_NOATIME)
		757	const_iv (ST_NODIRATIME)
		758	const_iv (ST_RELATIME)
		759
		760	const_iv (PROT_NONE)
		761	const_iv (PROT_EXEC)
		762	const_iv (PROT_READ)
		763	const_iv (PROT_WRITE)
		764
		765	/const_iv (MAP_FIXED)/
		766	const_iv (MAP_PRIVATE)
		767	const_iv (MAP_SHARED)
		768	const_iv (MAP_ANONYMOUS)
		769
		770	/* linuxish */
		771	const_iv (MAP_HUGETLB)
		772	const_iv (MAP_LOCKED)
		773	const_iv (MAP_NORESERVE)
		774	const_iv (MAP_POPULATE)
		775	const_iv (MAP_NONBLOCK)
		776
		777	const_eio (MCL_FUTURE)
		778	const_eio (MCL_CURRENT)
		779
		780	const_eio (MS_ASYNC)
		781	const_eio (MS_INVALIDATE)
		782	const_eio (MS_SYNC)
		783
		784	const_eio (MT_MODIFY)
		785
		786	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		787	const_eio (SYNC_FILE_RANGE_WRITE)
		788	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		789
		790	const_eio (READDIR_DENTS)
		791	const_eio (READDIR_DIRS_FIRST)
		792	const_eio (READDIR_STAT_ORDER)
		793	const_eio (READDIR_FOUND_UNKNOWN)
		794
		795	const_eio (DT_UNKNOWN)
		796	const_eio (DT_FIFO)
		797	const_eio (DT_CHR)
		798	const_eio (DT_DIR)
		799	const_eio (DT_BLK)
		800	const_eio (DT_REG)
		801	const_eio (DT_LNK)
		802	const_eio (DT_SOCK)
		803	const_eio (DT_WHT)
		804	};
		805
		806	aio_stash = gv_stashpv ("IO::AIO" , 1);
		807	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		808	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		809
		810	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		811	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		812
		813	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		814
493	create_respipe ();	815	create_respipe ();
494		816
495	if (eio_init (want_poll, done_poll) < 0)	817	if (eio_init (want_poll, done_poll) < 0)
496	croak ("IO::AIO: unable to initialise eio library");	818	croak ("IO::AIO: unable to initialise eio library");
497		819
498	/* atfork child called in fifo order, so before eio's handler */	820	/* atfork child called in fifo order, so before eio's handler */
499	X_THREAD_ATFORK (0, 0, atfork_child);	821	X_THREAD_ATFORK (0, 0, atfork_child);
500	}	822	}
501		823
502	void	824	void
503	max_poll_reqs (int nreqs)	825	max_poll_reqs (int nreqs)
504	PROTOTYPE: $	826	PROTOTYPE: $
…		…
535	CODE:	857	CODE:
536	max_outstanding = maxreqs;	858	max_outstanding = maxreqs;
537		859
538	void	860	void
539	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	861	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
540	PROTOTYPE: $$$;$
541	PPCODE:	862	PPCODE:
542	{	863	{
543	dREQ;	864	dREQ;
544		865
545	req->type = EIO_OPEN;	866	req->type = EIO_OPEN;
…		…
551	REQ_SEND;	872	REQ_SEND;
552	}	873	}
553		874
554	void	875	void
555	aio_fsync (SV fh, SV callback=&PL_sv_undef)	876	aio_fsync (SV fh, SV callback=&PL_sv_undef)
556	PROTOTYPE: $;$
557	ALIAS:	877	ALIAS:
558	aio_fsync = EIO_FSYNC	878	aio_fsync = EIO_FSYNC
559	aio_fdatasync = EIO_FDATASYNC	879	aio_fdatasync = EIO_FDATASYNC
560	PPCODE:	880	PPCODE:
561	{	881	{
		882	int fd = s_fileno_croak (fh, 0);
562	dREQ;	883	dREQ;
563		884
564	req->type = ix;	885	req->type = ix;
565	req->sv1 = newSVsv (fh);	886	req->sv1 = newSVsv (fh);
566	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	887	req->int1 = fd;
567		888
568	REQ_SEND (req);	889	REQ_SEND (req);
569	}	890	}
570		891
571	void	892	void
		893	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		894	PPCODE:
		895	{
		896	int fd = s_fileno_croak (fh, 0);
		897	dREQ;
		898
		899	req->type = EIO_SYNC_FILE_RANGE;
		900	req->sv1 = newSVsv (fh);
		901	req->int1 = fd;
		902	req->offs = offset;
		903	req->size = nbytes;
		904	req->int2 = flags;
		905
		906	REQ_SEND (req);
		907	}
		908
		909	void
572	aio_close (SV fh, SV callback=&PL_sv_undef)	910	aio_close (SV fh, SV callback=&PL_sv_undef)
573	PROTOTYPE: $;$
574	PPCODE:	911	PPCODE:
575	{	912	{
576	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	913	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		914	int fd = s_fileno_croak (fh, 0);
577	dREQ;	915	dREQ;
578		916
579	if (close_pipe < 0)	917	if (close_pipe < 0)
580	{	918	{
581	int pipefd [2];	919	int pipefd [2];
…		…
589	}	927	}
590		928
591	req->type = EIO_DUP2;	929	req->type = EIO_DUP2;
592	req->int1 = close_pipe;	930	req->int1 = close_pipe;
593	req->sv2 = newSVsv (fh);	931	req->sv2 = newSVsv (fh);
594	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	932	req->int2 = fd;
595		933
596	REQ_SEND (req);	934	REQ_SEND (req);
597	}	935	}
598		936
599	void	937	void
600	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	938	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
601	ALIAS:	939	ALIAS:
602	aio_read = EIO_READ	940	aio_read = EIO_READ
603	aio_write = EIO_WRITE	941	aio_write = EIO_WRITE
604	PROTOTYPE: $$$$$;$
605	PPCODE:	942	PPCODE:
606	{	943	{
607	STRLEN svlen;	944	STRLEN svlen;
		945	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608	char *svptr = SvPVbyte (data, svlen);	946	char *svptr = SvPVbyte (data, svlen);
609	UV len = SvUV (length);	947	UV len = SvUV (length);
610
611	SvUPGRADE (data, SVt_PV);
612	SvPOK_on (data);
613		948
614	if (dataoffset < 0)	949	if (dataoffset < 0)
615	dataoffset += svlen;	950	dataoffset += svlen;
616		951
617	if (dataoffset < 0 \|\| dataoffset > svlen)	952	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
623	if (!SvOK (length) \|\| len + dataoffset > svlen)	958	if (!SvOK (length) \|\| len + dataoffset > svlen)
624	len = svlen - dataoffset;	959	len = svlen - dataoffset;
625	}	960	}
626	else	961	else
627	{	962	{
628	/* read: grow scalar as necessary */	963	/* read: check type and grow scalar as necessary */
		964	SvUPGRADE (data, SVt_PV);
629	svptr = SvGROW (data, len + dataoffset + 1);	965	svptr = SvGROW (data, len + dataoffset + 1);
630	}	966	}
631		967
632	if (len < 0)
633	croak ("length must not be negative");
634
635	{	968	{
636	dREQ;	969	dREQ;
637		970
638	req->type = ix;	971	req->type = ix;
639	req->sv1 = newSVsv (fh);	972	req->sv1 = newSVsv (fh);
640	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	973	req->int1 = fd;
641	: IoOFP (sv_2io (fh)));
642	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	974	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643	req->size = len;	975	req->size = len;
644	req->sv2 = SvREFCNT_inc (data);	976	req->sv2 = SvREFCNT_inc (data);
645	req->ptr2 = (char *)svptr + dataoffset;	977	req->ptr2 = (char *)svptr + dataoffset;
646	req->stroffset = dataoffset;	978	req->stroffset = dataoffset;
…		…
655	}	987	}
656	}	988	}
657		989
658	void	990	void
659	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	991	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
660	PROTOTYPE: $$;$
661	PPCODE:	992	PPCODE:
662	{	993	{
663	SV *data;	994	SV *data;
664	dREQ;	995	dREQ;
665		996
…		…
669		1000
670	REQ_SEND;	1001	REQ_SEND;
671	}	1002	}
672		1003
673	void	1004	void
674	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	1005	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
675	PROTOTYPE: $$$$;$
676	PPCODE:	1006	PPCODE:
677	{	1007	{
		1008	int ifd = s_fileno_croak (in_fh , 0);
		1009	int ofd = s_fileno_croak (out_fh, 1);
678	dREQ;	1010	dREQ;
679		1011
680	req->type = EIO_SENDFILE;	1012	req->type = EIO_SENDFILE;
681	req->sv1 = newSVsv (out_fh);	1013	req->sv1 = newSVsv (out_fh);
682	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1014	req->int1 = ofd;
683	req->sv2 = newSVsv (in_fh);	1015	req->sv2 = newSVsv (in_fh);
684	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1016	req->int2 = ifd;
685	req->offs = SvVAL64 (in_offset);	1017	req->offs = in_offset;
686	req->size = length;	1018	req->size = length;
687		1019
688	REQ_SEND;	1020	REQ_SEND;
689	}	1021	}
690		1022
691	void	1023	void
692	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1024	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
693	PROTOTYPE: $$$;$
694	PPCODE:	1025	PPCODE:
695	{	1026	{
		1027	int fd = s_fileno_croak (fh, 0);
696	dREQ;	1028	dREQ;
697		1029
698	req->type = EIO_READAHEAD;	1030	req->type = EIO_READAHEAD;
699	req->sv1 = newSVsv (fh);	1031	req->sv1 = newSVsv (fh);
700	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1032	req->int1 = fd;
701	req->offs = SvVAL64 (offset);	1033	req->offs = offset;
702	req->size = length;	1034	req->size = length;
703		1035
704	REQ_SEND;	1036	REQ_SEND;
705	}	1037	}
706		1038
707	void	1039	void
708	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1040	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
709	ALIAS:	1041	ALIAS:
710	aio_stat = EIO_STAT	1042	aio_stat = EIO_STAT
711	aio_lstat = EIO_LSTAT	1043	aio_lstat = EIO_LSTAT
		1044	aio_statvfs = EIO_STATVFS
712	PPCODE:	1045	PPCODE:
713	{	1046	{
714	dREQ;	1047	dREQ;
715		1048
716	req->sv1 = newSVsv (fh_or_path);	1049	req->sv1 = newSVsv (fh_or_path);
…		…
720	req->type = ix;	1053	req->type = ix;
721	req->ptr1 = SvPVbyte_nolen (req->sv1);	1054	req->ptr1 = SvPVbyte_nolen (req->sv1);
722	}	1055	}
723	else	1056	else
724	{	1057	{
725	req->type = EIO_FSTAT;	1058	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
726	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1059	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
727	}	1060	}
728		1061
729	REQ_SEND;	1062	REQ_SEND;
730	}	1063	}
…		…
825		1158
826	REQ_SEND;	1159	REQ_SEND;
827	}	1160	}
828		1161
829	void	1162	void
		1163	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1164	PPCODE:
		1165	{
		1166	dREQ;
		1167
		1168	req->type = EIO_READDIR;
		1169	req->sv1 = newSVsv (pathname);
		1170	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1171	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1172
		1173	if (flags & EIO_READDIR_DENTS)
		1174	req->int1 \|= EIO_READDIR_CUSTOM2;
		1175
		1176	REQ_SEND;
		1177	}
		1178
		1179	void
830	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1180	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
831	ALIAS:	1181	ALIAS:
832	aio_unlink = EIO_UNLINK	1182	aio_unlink = EIO_UNLINK
833	aio_rmdir = EIO_RMDIR	1183	aio_rmdir = EIO_RMDIR
834	aio_readdir = EIO_READDIR	1184	aio_readdir = EIO_READDIR
…		…
876		1226
877	REQ_SEND;	1227	REQ_SEND;
878	}	1228	}
879		1229
880	void	1230	void
		1231	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1232	ALIAS:
		1233	aio_mtouch = EIO_MTOUCH
		1234	aio_msync = EIO_MSYNC
		1235	PPCODE:
		1236	{
		1237	STRLEN svlen;
		1238	char *svptr = SvPVbyte (data, svlen);
		1239	UV len = SvUV (length);
		1240
		1241	if (offset < 0)
		1242	offset += svlen;
		1243
		1244	if (offset < 0 \|\| offset > svlen)
		1245	croak ("offset outside of scalar");
		1246
		1247	if (!SvOK (length) \|\| len + offset > svlen)
		1248	len = svlen - offset;
		1249
		1250	{
		1251	dREQ;
		1252
		1253	req->type = ix;
		1254	req->sv2 = SvREFCNT_inc (data);
		1255	req->ptr2 = (char *)svptr + offset;
		1256	req->size = len;
		1257	req->int1 = flags;
		1258
		1259	REQ_SEND;
		1260	}
		1261	}
		1262
		1263	void
		1264	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1265	PPCODE:
		1266	{
		1267	STRLEN svlen;
		1268	char *svptr = SvPVbyte (data, svlen);
		1269	UV len = SvUV (length);
		1270
		1271	if (offset < 0)
		1272	offset += svlen;
		1273
		1274	if (offset < 0 \|\| offset > svlen)
		1275	croak ("offset outside of scalar");
		1276
		1277	if (!SvOK (length) \|\| len + offset > svlen)
		1278	len = svlen - offset;
		1279
		1280	{
		1281	dREQ;
		1282
		1283	req->type = EIO_MLOCK;
		1284	req->sv2 = SvREFCNT_inc (data);
		1285	req->ptr2 = (char *)svptr + offset;
		1286	req->size = len;
		1287
		1288	REQ_SEND;
		1289	}
		1290	}
		1291
		1292	void
		1293	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1294	PPCODE:
		1295	{
		1296	dREQ;
		1297
		1298	req->type = EIO_MLOCKALL;
		1299	req->int1 = flags;
		1300
		1301	REQ_SEND;
		1302	}
		1303
		1304	void
881	aio_busy (double delay, SV *callback=&PL_sv_undef)	1305	aio_busy (double delay, SV *callback=&PL_sv_undef)
882	PPCODE:	1306	PPCODE:
883	{	1307	{
884	dREQ;	1308	dREQ;
885		1309
…		…
889	REQ_SEND;	1313	REQ_SEND;
890	}	1314	}
891		1315
892	void	1316	void
893	aio_group (SV *callback=&PL_sv_undef)	1317	aio_group (SV *callback=&PL_sv_undef)
894	PROTOTYPE: ;$
895	PPCODE:	1318	PPCODE:
896	{	1319	{
897	dREQ;	1320	dREQ;
898		1321
899	req->type = EIO_GROUP;	1322	req->type = EIO_GROUP;
900		1323
901	eio_submit (req);	1324	req_submit (req);
902	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1325	XPUSHs (req_sv (req, aio_grp_stash));
903	}	1326	}
904		1327
905	void	1328	void
906	aio_nop (SV *callback=&PL_sv_undef)	1329	aio_nop (SV *callback=&PL_sv_undef)
907	ALIAS:	1330	ALIAS:
…		…
916	REQ_SEND;	1339	REQ_SEND;
917	}	1340	}
918		1341
919	int	1342	int
920	aioreq_pri (int pri = 0)	1343	aioreq_pri (int pri = 0)
921	PROTOTYPE: ;$
922	CODE:	1344	CODE:
923	RETVAL = next_pri;	1345	RETVAL = next_pri;
924	if (items > 0)	1346	if (items > 0)
925	{	1347	{
926	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1348	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
938	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1360	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
939	next_pri = nice;	1361	next_pri = nice;
940		1362
941	void	1363	void
942	flush ()	1364	flush ()
943	PROTOTYPE:
944	CODE:	1365	CODE:
945	while (eio_nreqs ())	1366	while (eio_nreqs ())
946	{	1367	{
947	poll_wait ();	1368	poll_wait ();
948	poll_cb ();	1369	poll_cb ();
949	}	1370	}
950		1371
951	int	1372	int
952	poll()	1373	poll ()
953	PROTOTYPE:
954	CODE:	1374	CODE:
955	poll_wait ();	1375	poll_wait ();
956	RETVAL = poll_cb ();	1376	RETVAL = poll_cb ();
957	OUTPUT:	1377	OUTPUT:
958	RETVAL	1378	RETVAL
959		1379
960	int	1380	int
961	poll_fileno()	1381	poll_fileno ()
962	PROTOTYPE:
963	CODE:	1382	CODE:
964	RETVAL = respipe [0];	1383	RETVAL = s_epipe_fd (&respipe);
965	OUTPUT:	1384	OUTPUT:
966	RETVAL	1385	RETVAL
967		1386
968	int	1387	int
969	poll_cb(...)	1388	poll_cb (...)
970	PROTOTYPE:	1389	PROTOTYPE:
971	CODE:	1390	CODE:
972	RETVAL = poll_cb ();	1391	RETVAL = poll_cb ();
973	OUTPUT:	1392	OUTPUT:
974	RETVAL	1393	RETVAL
975		1394
976	void	1395	void
977	poll_wait()	1396	poll_wait ()
978	PROTOTYPE:
979	CODE:	1397	CODE:
980	poll_wait ();	1398	poll_wait ();
981		1399
982	int	1400	int
983	nreqs()	1401	nreqs ()
984	PROTOTYPE:
985	CODE:	1402	CODE:
986	RETVAL = eio_nreqs ();	1403	RETVAL = eio_nreqs ();
987	OUTPUT:	1404	OUTPUT:
988	RETVAL	1405	RETVAL
989		1406
990	int	1407	int
991	nready()	1408	nready ()
992	PROTOTYPE:
993	CODE:	1409	CODE:
994	RETVAL = eio_nready ();	1410	RETVAL = eio_nready ();
995	OUTPUT:	1411	OUTPUT:
996	RETVAL	1412	RETVAL
997		1413
998	int	1414	int
999	npending()	1415	npending ()
1000	PROTOTYPE:
1001	CODE:	1416	CODE:
1002	RETVAL = eio_npending ();	1417	RETVAL = eio_npending ();
1003	OUTPUT:	1418	OUTPUT:
1004	RETVAL	1419	RETVAL
1005		1420
1006	int	1421	int
1007	nthreads()	1422	nthreads ()
1008	PROTOTYPE:
1009	CODE:	1423	CODE:
1010	RETVAL = eio_nthreads ();	1424	RETVAL = eio_nthreads ();
1011	OUTPUT:	1425	OUTPUT:
1012	RETVAL	1426	RETVAL
1013		1427
		1428	int
		1429	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1430	CODE:
		1431	RETVAL = posix_fadvise (fh, offset, length, advice);
		1432	OUTPUT:
		1433	RETVAL
		1434
		1435	ssize_t
		1436	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1437	CODE:
		1438	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1439	OUTPUT:
		1440	RETVAL
		1441
		1442	void
		1443	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1444	PPCODE:
		1445	sv_unmagic (scalar, MMAP_MAGIC);
		1446	{
		1447	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1448	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1449	if (addr == (void *)-1)
		1450	XSRETURN_NO;
		1451
		1452	sv_force_normal (scalar);
		1453
		1454	/* we store the length in mg_obj, as namlen is I32 :/ */
		1455	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1456	->mg_obj = (SV *)length;
		1457
		1458	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1459
		1460	if (!(prot & PROT_WRITE))
		1461	SvREADONLY_on (scalar);
		1462
		1463	if (SvLEN (scalar))
		1464	Safefree (SvPVX (scalar));
		1465
		1466	SvPVX (scalar) = (char *)addr;
		1467	SvCUR_set (scalar, length);
		1468	SvLEN_set (scalar, 0);
		1469	SvPOK_only (scalar);
		1470
		1471	XSRETURN_YES;
		1472	}
		1473
		1474	void
		1475	munmap (SV *scalar)
		1476	CODE:
		1477	sv_unmagic (scalar, MMAP_MAGIC);
		1478
		1479	int
		1480	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1481	ALIAS:
		1482	mprotect = 1
		1483	CODE:
		1484	{
		1485	STRLEN svlen;
		1486	void *addr = SvPVbyte (scalar, svlen);
		1487	size_t len = SvUV (length);
		1488
		1489	if (offset < 0)
		1490	offset += svlen;
		1491
		1492	if (offset < 0 \|\| offset > svlen)
		1493	croak ("offset outside of scalar");
		1494
		1495	if (!SvOK (length) \|\| len + offset > svlen)
		1496	len = svlen - offset;
		1497
		1498	addr = (void *)(((intptr_t)addr) + offset);
		1499	eio_page_align (&addr, &len);
		1500
		1501	switch (ix)
		1502	{
		1503	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1504	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1505	}
		1506	}
		1507	OUTPUT:
		1508	RETVAL
		1509
		1510	int
		1511	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1512	CODE:
		1513	{
		1514	STRLEN svlen;
		1515	void *addr = SvPVbyte (scalar, svlen);
		1516	size_t len = SvUV (length);
		1517
		1518	if (offset < 0)
		1519	offset += svlen;
		1520
		1521	if (offset < 0 \|\| offset > svlen)
		1522	croak ("offset outside of scalar");
		1523
		1524	if (!SvOK (length) \|\| len + offset > svlen)
		1525	len = svlen - offset;
		1526
		1527	addr = (void *)(((intptr_t)addr) + offset);
		1528	eio_page_align (&addr, &len);
		1529	#if _POSIX_MEMLOCK_RANGE
		1530	RETVAL = munlock (addr, len);
		1531	#else
		1532	RETVAL = ((errno = ENOSYS), -1);
		1533	#endif
		1534	}
		1535	OUTPUT:
		1536	RETVAL
		1537
		1538	int
		1539	munlockall ()
		1540	CODE:
		1541	#if _POSIX_MEMLOCK
		1542	munlockall ();
		1543	#else
		1544	RETVAL = -1;
		1545	errno = ENOSYS;
		1546	#endif
		1547	OUTPUT:
		1548	RETVAL
		1549
1014	void _on_next_submit (SV *cb)	1550	void _on_next_submit (SV *cb)
1015	CODE:	1551	CODE:
1016	SvREFCNT_dec (on_next_submit);	1552	SvREFCNT_dec (on_next_submit);
1017	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1553	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1018		1554
…		…
1025	CODE:	1561	CODE:
1026	eio_cancel (req);	1562	eio_cancel (req);
1027		1563
1028	void	1564	void
1029	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1565	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1030	CODE:	1566	PPCODE:
		1567	{
		1568	if (GIMME_V != G_VOID)
		1569	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1570
		1571	if (items > 1)
		1572	{
		1573	SV *cb_cv =get_cb (callback);
		1574
1031	SvREFCNT_dec (req->callback);	1575	SvREFCNT_dec (req->callback);
1032	req->callback = newSVsv (callback);	1576	req->callback = SvREFCNT_inc (cb_cv);
		1577	}
		1578	}
1033		1579
1034	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1580	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1035		1581
1036	void	1582	void
1037	add (aio_req grp, ...)	1583	add (aio_req grp, ...)
…		…
1069	AV *av;	1615	AV *av;
1070		1616
1071	grp->errorno = errno;	1617	grp->errorno = errno;
1072		1618
1073	av = newAV ();	1619	av = newAV ();
		1620	av_extend (av, items - 1);
1074		1621
1075	for (i = 1; i < items; ++i )	1622	for (i = 1; i < items; ++i )
1076	av_push (av, newSVsv (ST (i)));	1623	av_push (av, newSVsv (ST (i)));
1077		1624
1078	SvREFCNT_dec (grp->sv1);	1625	SvREFCNT_dec (grp->sv1);
…		…
1092	void	1639	void
1093	feed (aio_req grp, SV *callback=&PL_sv_undef)	1640	feed (aio_req grp, SV *callback=&PL_sv_undef)
1094	CODE:	1641	CODE:
1095	{	1642	{
1096	SvREFCNT_dec (grp->sv2);	1643	SvREFCNT_dec (grp->sv2);
1097	grp->sv2 = newSVsv (callback);	1644	grp->sv2 = newSVsv (callback);
		1645	grp->feed = aio_grp_feed;
1098		1646
1099	if (grp->int2 <= 0)	1647	if (grp->int2 <= 0)
1100	grp->int2 = 2;	1648	grp->int2 = 2;
1101		1649
1102	eio_grp_limit (grp, grp->int2);	1650	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.126 by root, Thu Sep 25 07:56:07 2008 UTC vs. Revision 1.178 by root, Fri Jan 7 21:45:42 2011 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.126 by root, Thu Sep 25 07:56:07 2008 UTC vs.
Revision 1.178 by root, Fri Jan 7 21:45:42 2011 UTC