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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.138 by root, Tue Apr 21 20:06:05 2009 UTC vs.
Revision 1.177 by root, Thu Dec 30 07:19:31 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; \
108	SV *self;	119	SV *self;
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
		123	#include "libeio/config.h"
112	#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
113		239
114	static int req_invoke (eio_req *req);	240	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	241	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	242	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	243	#define EIO_DESTROY(req) req_destroy (req)
…		…
127		253
128	static SV *on_next_submit;	254	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	255	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	256	static int max_outstanding;
131		257
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	258	static s_epipe respipe;
133		259
134	static void req_destroy (aio_req req);	260	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	261	static void req_cancel (aio_req req);
136		262
137	static void want_poll (void)	263	static void want_poll (void)
138	{	264	{
139	/* write a dummy byte to the pipe so fh becomes ready */	265	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	266	s_epipe_signal (&respipe);
141	}	267	}
142		268
143	static void done_poll (void)	269	static void done_poll (void)
144	{	270	{
145	/* read any signals sent by the worker threads */	271	/* read any signals sent by the worker threads */
146	char buf [4];	272	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	273	}
150		274
151	/* must be called at most once */	275	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	276	static SV req_sv (aio_req req, HV stash)
153	{	277	{
154	if (!req->self)	278	if (!req->self)
155	{	279	{
156	req->self = (SV *)newHV ();	280	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	282	}
159		283
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	285	}
162		286
163	static aio_req SvAIO_REQ (SV *sv)	287	static aio_req SvAIO_REQ (SV *sv)
164	{	288	{
165	MAGIC *mg;	289	MAGIC *mg;
166		290
167	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")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	295	croak ("object of class IO::AIO::REQ expected");
169		296
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		298
172	return mg ? (aio_req)mg->mg_ptr : 0;	299	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	300	}
…		…
179	dSP;	306	dSP;
180		307
181	ENTER;	308	ENTER;
182	SAVETMPS;	309	SAVETMPS;
183	PUSHMARK (SP);	310	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	311	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	312	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	313	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	314	SPAGAIN;
188	FREETMPS;	315	FREETMPS;
189	LEAVE;	316	LEAVE;
…		…
207	}	334	}
208	}	335	}
209		336
210	static int req_invoke (eio_req *req)	337	static int req_invoke (eio_req *req)
211	{	338	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
216		341
217	if (!EIO_CANCELLED (req) && req->callback)	342	if (!EIO_CANCELLED (req) && req->callback)
218	{	343	{
		344	dSP;
		345	static SV sv_result_cache; / caches the result integer SV */
		346	SV *sv_result;
		347
219	ENTER;	348	ENTER;
220	SAVETMPS;	349	SAVETMPS;
221	PUSHMARK (SP);	350	PUSHMARK (SP);
222	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	}
223		365
224	switch (req->type)	366	switch (req->type)
225	{	367	{
226	case EIO_READDIR:	368	case EIO_READDIR:
227	{	369	{
228	SV *rv = &PL_sv_undef;	370	SV *rv = &PL_sv_undef;
229		371
230	if (req->result >= 0)	372	if (req->result >= 0)
231	{	373	{
232	int i;	374	int i;
233	char *buf = req->ptr2;	375	char names = (char )req->ptr2;
		376	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	377	AV *av = newAV ();
235		378
236	av_extend (av, req->result - 1);	379	av_extend (av, req->result - 1);
237		380
238	for (i = 0; i < req->result; ++i)	381	for (i = 0; i < req->result; ++i)
239	{	382	{
240	SV *sv = newSVpv (buf, 0);	383	if (req->int1 & EIO_READDIR_DENTS)
		384	{
		385	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		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
242	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);
243	buf += SvCUR (sv) + 1;	415	names += SvCUR (name) + 1;
		416	}
244	}	417	}
245		418
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	419	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	420	}
248		421
249	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))));
250	}	426	}
251	break;	427	break;
252		428
253	case EIO_OPEN:	429	case EIO_OPEN:
254	{	430	{
…		…
260	GV gv = (GV )sv_newmortal ();	436	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	437	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	438	char sym [64];
263	int symlen;	439	int symlen;
264		440
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	441	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	442	gv_init (gv, aio_stash, sym, symlen, 0);
267		443
268	symlen = snprintf (	444	symlen = snprintf (
269	sym,	445	sym,
270	sizeof (sym),	446	sizeof (sym),
271	"%s&=%d",	447	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	448	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	449	(int)req->result
274	);	450	);
275		451
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	452	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	453	fh = (SV *)gv;
278	}	454	}
279		455
280	PUSHs (fh);	456	PUSHs (fh);
281	}	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
282	break;	488	break;
283		489
284	case EIO_GROUP:	490	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	491	req->int1 = 2; /* mark group as finished */
286		492
…		…
308	case EIO_LSTAT:	514	case EIO_LSTAT:
309	case EIO_FSTAT:	515	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311	PL_laststatval = req->result;	517	PL_laststatval = req->result;
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	518	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	519	PUSHs (sv_result);
314	break;	520	break;
315		521
316	case EIO_READ:	522	case EIO_READ:
317	{	523	{
318	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));
319	*SvEND (req->sv2) = 0;	525	*SvEND (req->sv2) = 0;
320	SvPOK_only (req->sv2);	526	SvPOK_only (req->sv2);
321	SvSETMAGIC (req->sv2);	527	SvSETMAGIC (req->sv2);
322	PUSHs (sv_2mortal (newSViv (req->result)));	528	PUSHs (sv_result);
323	}	529	}
324	break;	530	break;
325		531
326	case EIO_DUP2:	532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
327	if (req->result > 0)	533	if (req->result > 0)
328	req->result = 0;	534	SvIV_set (sv_result, 0);
329	/* FALLTHROUGH */	535	/* FALLTHROUGH */
330		536
331	default:	537	default:
332	PUSHs (sv_2mortal (newSViv (req->result)));	538	PUSHs (sv_result);
333	break;	539	break;
334	}	540	}
335		541
336	errno = req->errorno;	542	errno = req->errorno;
337		543
338	PUTBACK;	544	PUTBACK;
339	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	545	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
340	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;
341		552
342	FREETMPS;	553	FREETMPS;
343	LEAVE;	554	LEAVE;
344		555
345	PUTBACK;	556	PUTBACK;
…		…
374	grp->sv2 = 0;	585	grp->sv2 = 0;
375		586
376	eio_grp_cancel (grp);	587	eio_grp_cancel (grp);
377	}	588	}
378		589
379	#ifdef USE_SOCKETS_AS_HANDLES
380	# define TO_SOCKET(x) (win32_get_osfhandle (x))
381	#else
382	# define TO_SOCKET(x) (x)
383	#endif
384
385	static void	590	static void
386	create_respipe (void)	591	create_respipe (void)
387	{	592	{
388	int old_readfd = respipe [0];
389
390	if (respipe [1] >= 0)
391	respipe_close (TO_SOCKET (respipe [1]));
392
393	#ifdef _WIN32
394	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
395	#else
396	if (pipe (respipe))	593	if (s_epipe_renew (&respipe))
397	#endif
398	croak ("unable to initialize result pipe");	594	croak ("IO::AIO: unable to initialize result pipe");
399
400	if (old_readfd >= 0)
401	{
402	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
403	croak ("unable to initialize result pipe(2)");
404
405	respipe_close (respipe [0]);
406	respipe [0] = old_readfd;
407	}
408
409	#ifdef _WIN32
410	int arg = 1;
411	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
412	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
413	#else
414	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
415	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
416	#endif
417	croak ("unable to initialize result pipe(3)");
418
419	respipe_osf [0] = TO_SOCKET (respipe [0]);
420	respipe_osf [1] = TO_SOCKET (respipe [1]);
421	}	595	}
422		596
423	static void poll_wait (void)	597	static void poll_wait (void)
424	{	598	{
425	fd_set rfd;
426
427	while (eio_nreqs ())	599	while (eio_nreqs ())
428	{	600	{
429	int size;	601	int size;
430		602
431	X_LOCK (reslock);	603	X_LOCK (reslock);
…		…
435	if (size)	607	if (size)
436	return;	608	return;
437		609
438	etp_maybe_start_thread ();	610	etp_maybe_start_thread ();
439		611
440	FD_ZERO (&rfd);	612	s_epipe_wait (&respipe);
441	FD_SET (respipe [0], &rfd);
442
443	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
444	}	613	}
445	}	614	}
446		615
447	static int poll_cb (void)	616	static int poll_cb (void)
448	{	617	{
…		…
463	static void atfork_child (void)	632	static void atfork_child (void)
464	{	633	{
465	create_respipe ();	634	create_respipe ();
466	}	635	}
467		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
468	static SV *	679	static SV *
469	get_cb (SV *cb_sv)	680	get_cb (SV *cb_sv)
470	{	681	{
471	HV *st;	682	SvGETMAGIC (cb_sv);
472	GV *gvp;	683	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
473	CV *cv;
474
475	if (!SvOK (cb_sv))
476	return 0;
477
478	cv = sv_2cv (cb_sv, &st, &gvp, 0);
479
480	if (!cv)
481	croak ("IO::AIO callback must be undef or a CODE reference");
482
483	return (SV *)cv;
484	}	684	}
485		685
486	#define dREQ \	686	#define dREQ \
487	SV *cb_cv; \	687	SV *cb_cv; \
488	aio_req req; \	688	aio_req req; \
…		…
502	PUTBACK; \	702	PUTBACK; \
503	req_submit (req); \	703	req_submit (req); \
504	SPAGAIN; \	704	SPAGAIN; \
505	\	705	\
506	if (GIMME_V != G_VOID) \	706	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	707	XPUSHs (req_sv (req, aio_req_stash));
508
509	static int
510	extract_fd (SV *fh, int wr)
511	{
512	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
513
514	if (fd < 0)
515	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
516
517	return fd;
518	}
519		708
520	MODULE = IO::AIO PACKAGE = IO::AIO	709	MODULE = IO::AIO PACKAGE = IO::AIO
521		710
522	PROTOTYPES: ENABLE	711	PROTOTYPES: ENABLE
523		712
524	BOOT:	713	BOOT:
525	{	714	{
526	stash = gv_stashpv ("IO::AIO", 1);	715	static const struct {
527		716	const char *name;
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	717	IV iv;
529	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	718	} *civ, const_iv[] = {
530	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	719	# define const_niv(name, value) { # name, (IV) value },
531	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	720	# define const_iv(name) { # name, (IV) name },
532	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)
533	#ifndef _WIN32	731	#ifndef _WIN32
534	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	732	const_iv (S_IFIFO)
535	#endif	733	#endif
536	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	734	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
537	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	735	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	736	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	737	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		738	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		739	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
540		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
541	create_respipe ();	815	create_respipe ();
542		816
543	if (eio_init (want_poll, done_poll) < 0)	817	if (eio_init (want_poll, done_poll) < 0)
544	croak ("IO::AIO: unable to initialise eio library");	818	croak ("IO::AIO: unable to initialise eio library");
545		819
546	/* atfork child called in fifo order, so before eio's handler */	820	/* atfork child called in fifo order, so before eio's handler */
547	X_THREAD_ATFORK (0, 0, atfork_child);	821	X_THREAD_ATFORK (0, 0, atfork_child);
548	}	822	}
549		823
550	void	824	void
551	max_poll_reqs (int nreqs)	825	max_poll_reqs (int nreqs)
552	PROTOTYPE: $	826	PROTOTYPE: $
…		…
583	CODE:	857	CODE:
584	max_outstanding = maxreqs;	858	max_outstanding = maxreqs;
585		859
586	void	860	void
587	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)
588	PROTOTYPE: $$$;$
589	PPCODE:	862	PPCODE:
590	{	863	{
591	dREQ;	864	dREQ;
592		865
593	req->type = EIO_OPEN;	866	req->type = EIO_OPEN;
…		…
599	REQ_SEND;	872	REQ_SEND;
600	}	873	}
601		874
602	void	875	void
603	aio_fsync (SV fh, SV callback=&PL_sv_undef)	876	aio_fsync (SV fh, SV callback=&PL_sv_undef)
604	PROTOTYPE: $;$
605	ALIAS:	877	ALIAS:
606	aio_fsync = EIO_FSYNC	878	aio_fsync = EIO_FSYNC
607	aio_fdatasync = EIO_FDATASYNC	879	aio_fdatasync = EIO_FDATASYNC
608	PPCODE:	880	PPCODE:
609	{	881	{
610	int fd = extract_fd (fh, 0);	882	int fd = s_fileno_croak (fh, 0);
611	dREQ;	883	dREQ;
612		884
613	req->type = ix;	885	req->type = ix;
614	req->sv1 = newSVsv (fh);	886	req->sv1 = newSVsv (fh);
615	req->int1 = fd;	887	req->int1 = fd;
616		888
617	REQ_SEND (req);	889	REQ_SEND (req);
618	}	890	}
619		891
620	void	892	void
621	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	893	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
622	PROTOTYPE: $$$$;$
623	PPCODE:	894	PPCODE:
624	{	895	{
625	int fd = extract_fd (fh, 0);	896	int fd = s_fileno_croak (fh, 0);
626	dREQ;	897	dREQ;
627		898
628	req->type = EIO_SYNC_FILE_RANGE;	899	req->type = EIO_SYNC_FILE_RANGE;
629	req->sv1 = newSVsv (fh);	900	req->sv1 = newSVsv (fh);
630	req->int1 = fd;	901	req->int1 = fd;
631	req->offs = SvVAL64 (offset);	902	req->offs = offset;
632	req->size = SvVAL64 (nbytes);	903	req->size = nbytes;
633	req->int2 = flags;	904	req->int2 = flags;
634		905
635	REQ_SEND (req);	906	REQ_SEND (req);
636	}	907	}
637		908
638	void	909	void
639	aio_close (SV fh, SV callback=&PL_sv_undef)	910	aio_close (SV fh, SV callback=&PL_sv_undef)
640	PROTOTYPE: $;$
641	PPCODE:	911	PPCODE:
642	{	912	{
643	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	913	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
644	int fd = extract_fd (fh, 0);	914	int fd = s_fileno_croak (fh, 0);
645	dREQ;	915	dREQ;
646		916
647	if (close_pipe < 0)	917	if (close_pipe < 0)
648	{	918	{
649	int pipefd [2];	919	int pipefd [2];
…		…
667	void	937	void
668	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	938	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
669	ALIAS:	939	ALIAS:
670	aio_read = EIO_READ	940	aio_read = EIO_READ
671	aio_write = EIO_WRITE	941	aio_write = EIO_WRITE
672	PROTOTYPE: $$$$$;$
673	PPCODE:	942	PPCODE:
674	{	943	{
675	STRLEN svlen;	944	STRLEN svlen;
676	int fd = extract_fd (fh, ix == EIO_WRITE);	945	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
677	char *svptr = SvPVbyte (data, svlen);	946	char *svptr = SvPVbyte (data, svlen);
678	UV len = SvUV (length);	947	UV len = SvUV (length);
679		948
680	if (dataoffset < 0)	949	if (dataoffset < 0)
681	dataoffset += svlen;	950	dataoffset += svlen;
…		…
694	/* read: check type and grow scalar as necessary */	963	/* read: check type and grow scalar as necessary */
695	SvUPGRADE (data, SVt_PV);	964	SvUPGRADE (data, SVt_PV);
696	svptr = SvGROW (data, len + dataoffset + 1);	965	svptr = SvGROW (data, len + dataoffset + 1);
697	}	966	}
698		967
699	if (len < 0)
700	croak ("length must not be negative");
701
702	{	968	{
703	dREQ;	969	dREQ;
704		970
705	req->type = ix;	971	req->type = ix;
706	req->sv1 = newSVsv (fh);	972	req->sv1 = newSVsv (fh);
…		…
721	}	987	}
722	}	988	}
723		989
724	void	990	void
725	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	991	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
726	PROTOTYPE: $$;$
727	PPCODE:	992	PPCODE:
728	{	993	{
729	SV *data;	994	SV *data;
730	dREQ;	995	dREQ;
731		996
…		…
735		1000
736	REQ_SEND;	1001	REQ_SEND;
737	}	1002	}
738		1003
739	void	1004	void
740	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)
741	PROTOTYPE: $$$$;$
742	PPCODE:	1006	PPCODE:
743	{	1007	{
744	int ifd = extract_fd (in_fh , 0);	1008	int ifd = s_fileno_croak (in_fh , 0);
745	int ofd = extract_fd (out_fh, 0);	1009	int ofd = s_fileno_croak (out_fh, 1);
746	dREQ;	1010	dREQ;
747		1011
748	req->type = EIO_SENDFILE;	1012	req->type = EIO_SENDFILE;
749	req->sv1 = newSVsv (out_fh);	1013	req->sv1 = newSVsv (out_fh);
750	req->int1 = ofd;	1014	req->int1 = ofd;
751	req->sv2 = newSVsv (in_fh);	1015	req->sv2 = newSVsv (in_fh);
752	req->int2 = ifd;	1016	req->int2 = ifd;
753	req->offs = SvVAL64 (in_offset);	1017	req->offs = in_offset;
754	req->size = length;	1018	req->size = length;
755		1019
756	REQ_SEND;	1020	REQ_SEND;
757	}	1021	}
758		1022
759	void	1023	void
760	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1024	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
761	PROTOTYPE: $$$;$
762	PPCODE:	1025	PPCODE:
763	{	1026	{
764	int fd = extract_fd (fh, 0);	1027	int fd = s_fileno_croak (fh, 0);
765	dREQ;	1028	dREQ;
766		1029
767	req->type = EIO_READAHEAD;	1030	req->type = EIO_READAHEAD;
768	req->sv1 = newSVsv (fh);	1031	req->sv1 = newSVsv (fh);
769	req->int1 = fd;	1032	req->int1 = fd;
770	req->offs = SvVAL64 (offset);	1033	req->offs = offset;
771	req->size = length;	1034	req->size = length;
772		1035
773	REQ_SEND;	1036	REQ_SEND;
774	}	1037	}
775		1038
776	void	1039	void
777	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1040	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
778	ALIAS:	1041	ALIAS:
779	aio_stat = EIO_STAT	1042	aio_stat = EIO_STAT
780	aio_lstat = EIO_LSTAT	1043	aio_lstat = EIO_LSTAT
		1044	aio_statvfs = EIO_STATVFS
781	PPCODE:	1045	PPCODE:
782	{	1046	{
783	dREQ;	1047	dREQ;
784		1048
785	req->sv1 = newSVsv (fh_or_path);	1049	req->sv1 = newSVsv (fh_or_path);
…		…
789	req->type = ix;	1053	req->type = ix;
790	req->ptr1 = SvPVbyte_nolen (req->sv1);	1054	req->ptr1 = SvPVbyte_nolen (req->sv1);
791	}	1055	}
792	else	1056	else
793	{	1057	{
794	req->type = EIO_FSTAT;	1058	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
795	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1059	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
796	}	1060	}
797		1061
798	REQ_SEND;	1062	REQ_SEND;
799	}	1063	}
…		…
894		1158
895	REQ_SEND;	1159	REQ_SEND;
896	}	1160	}
897		1161
898	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
899	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1180	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
900	ALIAS:	1181	ALIAS:
901	aio_unlink = EIO_UNLINK	1182	aio_unlink = EIO_UNLINK
902	aio_rmdir = EIO_RMDIR	1183	aio_rmdir = EIO_RMDIR
903	aio_readdir = EIO_READDIR	1184	aio_readdir = EIO_READDIR
…		…
945		1226
946	REQ_SEND;	1227	REQ_SEND;
947	}	1228	}
948		1229
949	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
950	aio_busy (double delay, SV *callback=&PL_sv_undef)	1305	aio_busy (double delay, SV *callback=&PL_sv_undef)
951	PPCODE:	1306	PPCODE:
952	{	1307	{
953	dREQ;	1308	dREQ;
954		1309
…		…
958	REQ_SEND;	1313	REQ_SEND;
959	}	1314	}
960		1315
961	void	1316	void
962	aio_group (SV *callback=&PL_sv_undef)	1317	aio_group (SV *callback=&PL_sv_undef)
963	PROTOTYPE: ;$
964	PPCODE:	1318	PPCODE:
965	{	1319	{
966	dREQ;	1320	dREQ;
967		1321
968	req->type = EIO_GROUP;	1322	req->type = EIO_GROUP;
969		1323
970	req_submit (req);	1324	req_submit (req);
971	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1325	XPUSHs (req_sv (req, aio_grp_stash));
972	}	1326	}
973		1327
974	void	1328	void
975	aio_nop (SV *callback=&PL_sv_undef)	1329	aio_nop (SV *callback=&PL_sv_undef)
976	ALIAS:	1330	ALIAS:
…		…
985	REQ_SEND;	1339	REQ_SEND;
986	}	1340	}
987		1341
988	int	1342	int
989	aioreq_pri (int pri = 0)	1343	aioreq_pri (int pri = 0)
990	PROTOTYPE: ;$
991	CODE:	1344	CODE:
992	RETVAL = next_pri;	1345	RETVAL = next_pri;
993	if (items > 0)	1346	if (items > 0)
994	{	1347	{
995	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1348	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1007	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1360	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1008	next_pri = nice;	1361	next_pri = nice;
1009		1362
1010	void	1363	void
1011	flush ()	1364	flush ()
1012	PROTOTYPE:
1013	CODE:	1365	CODE:
1014	while (eio_nreqs ())	1366	while (eio_nreqs ())
1015	{	1367	{
1016	poll_wait ();	1368	poll_wait ();
1017	poll_cb ();	1369	poll_cb ();
1018	}	1370	}
1019		1371
1020	int	1372	int
1021	poll()	1373	poll ()
1022	PROTOTYPE:
1023	CODE:	1374	CODE:
1024	poll_wait ();	1375	poll_wait ();
1025	RETVAL = poll_cb ();	1376	RETVAL = poll_cb ();
1026	OUTPUT:	1377	OUTPUT:
1027	RETVAL	1378	RETVAL
1028		1379
1029	int	1380	int
1030	poll_fileno()	1381	poll_fileno ()
1031	PROTOTYPE:
1032	CODE:	1382	CODE:
1033	RETVAL = respipe [0];	1383	RETVAL = s_epipe_fd (&respipe);
1034	OUTPUT:	1384	OUTPUT:
1035	RETVAL	1385	RETVAL
1036		1386
1037	int	1387	int
1038	poll_cb(...)	1388	poll_cb (...)
1039	PROTOTYPE:	1389	PROTOTYPE:
1040	CODE:	1390	CODE:
1041	RETVAL = poll_cb ();	1391	RETVAL = poll_cb ();
1042	OUTPUT:	1392	OUTPUT:
1043	RETVAL	1393	RETVAL
1044		1394
1045	void	1395	void
1046	poll_wait()	1396	poll_wait ()
1047	PROTOTYPE:
1048	CODE:	1397	CODE:
1049	poll_wait ();	1398	poll_wait ();
1050		1399
1051	int	1400	int
1052	nreqs()	1401	nreqs ()
1053	PROTOTYPE:
1054	CODE:	1402	CODE:
1055	RETVAL = eio_nreqs ();	1403	RETVAL = eio_nreqs ();
1056	OUTPUT:	1404	OUTPUT:
1057	RETVAL	1405	RETVAL
1058		1406
1059	int	1407	int
1060	nready()	1408	nready ()
1061	PROTOTYPE:
1062	CODE:	1409	CODE:
1063	RETVAL = eio_nready ();	1410	RETVAL = eio_nready ();
1064	OUTPUT:	1411	OUTPUT:
1065	RETVAL	1412	RETVAL
1066		1413
1067	int	1414	int
1068	npending()	1415	npending ()
1069	PROTOTYPE:
1070	CODE:	1416	CODE:
1071	RETVAL = eio_npending ();	1417	RETVAL = eio_npending ();
1072	OUTPUT:	1418	OUTPUT:
1073	RETVAL	1419	RETVAL
1074		1420
1075	int	1421	int
1076	nthreads()	1422	nthreads ()
1077	PROTOTYPE:
1078	CODE:	1423	CODE:
1079	RETVAL = eio_nthreads ();	1424	RETVAL = eio_nthreads ();
1080	OUTPUT:	1425	OUTPUT:
1081	RETVAL	1426	RETVAL
1082		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
		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
1083	void _on_next_submit (SV *cb)	1550	void _on_next_submit (SV *cb)
1084	CODE:	1551	CODE:
1085	SvREFCNT_dec (on_next_submit);	1552	SvREFCNT_dec (on_next_submit);
1086	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1553	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1087		1554
…		…
1101	if (GIMME_V != G_VOID)	1568	if (GIMME_V != G_VOID)
1102	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1569	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1103		1570
1104	if (items > 1)	1571	if (items > 1)
1105	{	1572	{
1106	SV *cb_cv = get_cb (callback);	1573	SV *cb_cv =get_cb (callback);
1107		1574
1108	SvREFCNT_dec (req->callback);	1575	SvREFCNT_dec (req->callback);
1109	req->callback = SvREFCNT_inc (cb_cv);	1576	req->callback = SvREFCNT_inc (cb_cv);
1110	}	1577	}
1111	}	1578	}
…		…
1148	AV *av;	1615	AV *av;
1149		1616
1150	grp->errorno = errno;	1617	grp->errorno = errno;
1151		1618
1152	av = newAV ();	1619	av = newAV ();
		1620	av_extend (av, items - 1);
1153		1621
1154	for (i = 1; i < items; ++i )	1622	for (i = 1; i < items; ++i )
1155	av_push (av, newSVsv (ST (i)));	1623	av_push (av, newSVsv (ST (i)));
1156		1624
1157	SvREFCNT_dec (grp->sv1);	1625	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.138 by root, Tue Apr 21 20:06:05 2009 UTC vs. Revision 1.177 by root, Thu Dec 30 07:19:31 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.138 by root, Tue Apr 21 20:06:05 2009 UTC vs.
Revision 1.177 by root, Thu Dec 30 07:19:31 2010 UTC