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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.139 by root, Tue Apr 21 20:12:56 2009 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 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	}
		359	else
		360	{
		361	sv_result = newSViv (req->result);
		362	SvREADONLY_on (sv_result);
		363	}
223		364
224	switch (req->type)	365	switch (req->type)
225	{	366	{
226	case EIO_READDIR:	367	case EIO_READDIR:
227	{	368	{
228	SV *rv = &PL_sv_undef;	369	SV *rv = &PL_sv_undef;
229		370
230	if (req->result >= 0)	371	if (req->result >= 0)
231	{	372	{
232	int i;	373	int i;
233	char *buf = req->ptr2;	374	char names = (char )req->ptr2;
		375	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	376	AV *av = newAV ();
235		377
236	av_extend (av, req->result - 1);	378	av_extend (av, req->result - 1);
237		379
238	for (i = 0; i < req->result; ++i)	380	for (i = 0; i < req->result; ++i)
239	{	381	{
240	SV *sv = newSVpv (buf, 0);	382	if (req->int1 & EIO_READDIR_DENTS)
		383	{
		384	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		385
		386	if (req->int1 & EIO_READDIR_CUSTOM2)
		387	{
		388	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		389	AV *avent = newAV ();
		390
		391	av_extend (avent, 2);
		392
		393	if (!sv_type [ent->type])
		394	{
		395	sv_type [ent->type] = newSViv (ent->type);
		396	SvREADONLY_on (sv_type [ent->type]);
		397	}
		398
		399	av_store (avent, 0, namesv);
		400	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		401	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		402
		403	av_store (av, i, newRV_noinc ((SV *)avent));
		404	}
		405	else
242	av_store (av, i, sv);	406	av_store (av, i, namesv);
		407
		408	++ent;
		409	}
		410	else
		411	{
		412	SV *name = newSVpv (names, 0);
		413	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	414	names += SvCUR (name) + 1;
		415	}
244	}	416	}
245		417
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	418	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	419	}
248		420
249	PUSHs (rv);	421	PUSHs (rv);
		422
		423	if (req->int1 & EIO_READDIR_CUSTOM1)
		424	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
250	}	425	}
251	break;	426	break;
252		427
253	case EIO_OPEN:	428	case EIO_OPEN:
254	{	429	{
…		…
260	GV gv = (GV )sv_newmortal ();	435	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	436	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	437	char sym [64];
263	int symlen;	438	int symlen;
264		439
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	440	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	441	gv_init (gv, aio_stash, sym, symlen, 0);
267		442
268	symlen = snprintf (	443	symlen = snprintf (
269	sym,	444	sym,
270	sizeof (sym),	445	sizeof (sym),
271	"%s&=%d",	446	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	447	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	448	(int)req->result
274	);	449	);
275		450
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	451	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	452	fh = (SV *)gv;
278	}	453	}
279		454
280	PUSHs (fh);	455	PUSHs (fh);
281	}	456	}
		457	break;
		458
		459	case EIO_STATVFS:
		460	case EIO_FSTATVFS:
		461	{
		462	SV *rv = &PL_sv_undef;
		463
		464	if (req->result >= 0)
		465	{
		466	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		467	HV *hv = newHV ();
		468
		469	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		470
		471	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		472	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		473	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		474	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		475	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		476	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		477	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		478	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		479	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		480	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		481	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		482	}
		483
		484	PUSHs (rv);
		485	}
		486
282	break;	487	break;
283		488
284	case EIO_GROUP:	489	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	490	req->int1 = 2; /* mark group as finished */
286		491
…		…
308	case EIO_LSTAT:	513	case EIO_LSTAT:
309	case EIO_FSTAT:	514	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	515	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311	PL_laststatval = req->result;	516	PL_laststatval = req->result;
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	517	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	518	PUSHs (sv_result);
314	break;	519	break;
315		520
316	case EIO_READ:	521	case EIO_READ:
317	{	522	{
318	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	523	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
319	*SvEND (req->sv2) = 0;	524	*SvEND (req->sv2) = 0;
320	SvPOK_only (req->sv2);	525	SvPOK_only (req->sv2);
321	SvSETMAGIC (req->sv2);	526	SvSETMAGIC (req->sv2);
322	PUSHs (sv_2mortal (newSViv (req->result)));	527	PUSHs (sv_result);
323	}	528	}
324	break;	529	break;
325		530
326	case EIO_DUP2:	531	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
327	if (req->result > 0)	532	if (req->result > 0)
328	req->result = 0;	533	SvIV_set (sv_result, 0);
329	/* FALLTHROUGH */	534	/* FALLTHROUGH */
330		535
331	default:	536	default:
332	PUSHs (sv_2mortal (newSViv (req->result)));	537	PUSHs (sv_result);
333	break;	538	break;
334	}	539	}
335		540
336	errno = req->errorno;	541	errno = req->errorno;
337		542
338	PUTBACK;	543	PUTBACK;
339	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	544	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
340	SPAGAIN;	545	SPAGAIN;
		546
		547	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		548	SvREFCNT_dec (sv_result);
		549	else
		550	sv_result_cache = sv_result;
341		551
342	FREETMPS;	552	FREETMPS;
343	LEAVE;	553	LEAVE;
344		554
345	PUTBACK;	555	PUTBACK;
…		…
374	grp->sv2 = 0;	584	grp->sv2 = 0;
375		585
376	eio_grp_cancel (grp);	586	eio_grp_cancel (grp);
377	}	587	}
378		588
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	589	static void
386	create_respipe (void)	590	create_respipe (void)
387	{	591	{
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))	592	if (s_epipe_renew (&respipe))
397	#endif
398	croak ("unable to initialize result pipe");	593	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	}	594	}
422		595
423	static void poll_wait (void)	596	static void poll_wait (void)
424	{	597	{
425	fd_set rfd;
426
427	while (eio_nreqs ())	598	while (eio_nreqs ())
428	{	599	{
429	int size;	600	int size;
430		601
431	X_LOCK (reslock);	602	X_LOCK (reslock);
…		…
435	if (size)	606	if (size)
436	return;	607	return;
437		608
438	etp_maybe_start_thread ();	609	etp_maybe_start_thread ();
439		610
440	FD_ZERO (&rfd);	611	s_epipe_wait (&respipe);
441	FD_SET (respipe [0], &rfd);
442
443	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
444	}	612	}
445	}	613	}
446		614
447	static int poll_cb (void)	615	static int poll_cb (void)
448	{	616	{
…		…
463	static void atfork_child (void)	631	static void atfork_child (void)
464	{	632	{
465	create_respipe ();	633	create_respipe ();
466	}	634	}
467		635
		636	/*****************************************************************************/
		637
		638	#if !_POSIX_MAPPED_FILES
		639	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		640	# define munmap(addr,length) (errno = ENOSYS, -1)
		641	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		642	# define PROT_NONE 0
		643	# define PROT_WRITE 0
		644	# define MAP_PRIVATE 0
		645	# define MAP_SHARED 0
		646	# define MAP_FIXED 0
		647	#endif
		648
		649	#define MMAP_MAGIC PERL_MAGIC_ext
		650
		651	static int
		652	mmap_free (pTHX_ SV sv, MAGIC mg)
		653	{
		654	int old_errno = errno;
		655	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		656	errno = old_errno;
		657
		658	mg->mg_obj = 0; /* just in case */
		659
		660	SvREADONLY_off (sv);
		661
		662	if (SvPVX (sv) != mg->mg_ptr)
		663	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		664
		665	SvCUR_set (sv, 0);
		666	SvPVX (sv) = 0;
		667	SvOK_off (sv);
		668
		669	return 0;
		670	}
		671
		672	static MGVTBL mmap_vtbl = {
		673	0, 0, 0, 0, mmap_free
		674	};
		675
		676	/*****************************************************************************/
		677
468	static SV *	678	static SV *
469	get_cb (SV *cb_sv)	679	get_cb (SV *cb_sv)
470	{	680	{
471	HV *st;	681	SvGETMAGIC (cb_sv);
472	GV *gvp;	682	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	}	683	}
485		684
486	#define dREQ \	685	#define dREQ \
487	SV *cb_cv; \	686	SV *cb_cv; \
488	aio_req req; \	687	aio_req req; \
…		…
502	PUTBACK; \	701	PUTBACK; \
503	req_submit (req); \	702	req_submit (req); \
504	SPAGAIN; \	703	SPAGAIN; \
505	\	704	\
506	if (GIMME_V != G_VOID) \	705	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	706	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		707
520	MODULE = IO::AIO PACKAGE = IO::AIO	708	MODULE = IO::AIO PACKAGE = IO::AIO
521		709
522	PROTOTYPES: ENABLE	710	PROTOTYPES: ENABLE
523		711
524	BOOT:	712	BOOT:
525	{	713	{
526	stash = gv_stashpv ("IO::AIO", 1);	714	static const struct {
527		715	const char *name;
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	716	IV iv;
529	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	717	} *civ, const_iv[] = {
530	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	718	# define const_niv(name, value) { # name, (IV) value },
531	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	719	# define const_iv(name) { # name, (IV) name },
532	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	720	# define const_eio(name) { # name, (IV) EIO_ ## name },
		721	const_iv (EXDEV)
		722	const_iv (ENOSYS)
		723	const_iv (O_RDONLY)
		724	const_iv (O_WRONLY)
		725	const_iv (O_RDWR)
		726	const_iv (O_CREAT)
		727	const_iv (O_TRUNC)
		728	const_iv (O_EXCL)
		729	const_iv (O_APPEND)
533	#ifndef _WIN32	730	#ifndef _WIN32
534	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	731	const_iv (S_IFIFO)
535	#endif	732	#endif
536	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	733	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
537	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	734	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	735	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	736	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		737	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		738	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
540		739
		740	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		741	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		742	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		743	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		744	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		745
		746	const_iv (ST_RDONLY)
		747	const_iv (ST_NOSUID)
		748	const_iv (ST_NODEV)
		749	const_iv (ST_NOEXEC)
		750	const_iv (ST_SYNCHRONOUS)
		751	const_iv (ST_MANDLOCK)
		752	const_iv (ST_WRITE)
		753	const_iv (ST_APPEND)
		754	const_iv (ST_IMMUTABLE)
		755	const_iv (ST_NOATIME)
		756	const_iv (ST_NODIRATIME)
		757	const_iv (ST_RELATIME)
		758
		759	const_iv (PROT_NONE)
		760	const_iv (PROT_EXEC)
		761	const_iv (PROT_READ)
		762	const_iv (PROT_WRITE)
		763
		764	/const_iv (MAP_FIXED)/
		765	const_iv (MAP_PRIVATE)
		766	const_iv (MAP_SHARED)
		767	const_iv (MAP_ANONYMOUS)
		768
		769	/* linuxish */
		770	const_iv (MAP_HUGETLB)
		771	const_iv (MAP_LOCKED)
		772	const_iv (MAP_NORESERVE)
		773	const_iv (MAP_POPULATE)
		774	const_iv (MAP_NONBLOCK)
		775
		776	const_eio (MCL_FUTURE)
		777	const_eio (MCL_CURRENT)
		778
		779	const_eio (MS_ASYNC)
		780	const_eio (MS_INVALIDATE)
		781	const_eio (MS_SYNC)
		782
		783	const_eio (MT_MODIFY)
		784
		785	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		786	const_eio (SYNC_FILE_RANGE_WRITE)
		787	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		788
		789	const_eio (READDIR_DENTS)
		790	const_eio (READDIR_DIRS_FIRST)
		791	const_eio (READDIR_STAT_ORDER)
		792	const_eio (READDIR_FOUND_UNKNOWN)
		793
		794	const_eio (DT_UNKNOWN)
		795	const_eio (DT_FIFO)
		796	const_eio (DT_CHR)
		797	const_eio (DT_DIR)
		798	const_eio (DT_BLK)
		799	const_eio (DT_REG)
		800	const_eio (DT_LNK)
		801	const_eio (DT_SOCK)
		802	const_eio (DT_WHT)
		803	};
		804
		805	aio_stash = gv_stashpv ("IO::AIO" , 1);
		806	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		807	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		808
		809	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		810	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		811
		812	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		813
541	create_respipe ();	814	create_respipe ();
542		815
543	if (eio_init (want_poll, done_poll) < 0)	816	if (eio_init (want_poll, done_poll) < 0)
544	croak ("IO::AIO: unable to initialise eio library");	817	croak ("IO::AIO: unable to initialise eio library");
545		818
546	/* atfork child called in fifo order, so before eio's handler */	819	/* atfork child called in fifo order, so before eio's handler */
547	X_THREAD_ATFORK (0, 0, atfork_child);	820	X_THREAD_ATFORK (0, 0, atfork_child);
548	}	821	}
549		822
550	void	823	void
551	max_poll_reqs (int nreqs)	824	max_poll_reqs (int nreqs)
552	PROTOTYPE: $	825	PROTOTYPE: $
…		…
583	CODE:	856	CODE:
584	max_outstanding = maxreqs;	857	max_outstanding = maxreqs;
585		858
586	void	859	void
587	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	860	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
588	PROTOTYPE: $$$;$
589	PPCODE:	861	PPCODE:
590	{	862	{
591	dREQ;	863	dREQ;
592		864
593	req->type = EIO_OPEN;	865	req->type = EIO_OPEN;
…		…
599	REQ_SEND;	871	REQ_SEND;
600	}	872	}
601		873
602	void	874	void
603	aio_fsync (SV fh, SV callback=&PL_sv_undef)	875	aio_fsync (SV fh, SV callback=&PL_sv_undef)
604	PROTOTYPE: $;$
605	ALIAS:	876	ALIAS:
606	aio_fsync = EIO_FSYNC	877	aio_fsync = EIO_FSYNC
607	aio_fdatasync = EIO_FDATASYNC	878	aio_fdatasync = EIO_FDATASYNC
608	PPCODE:	879	PPCODE:
609	{	880	{
610	int fd = extract_fd (fh, 0);	881	int fd = s_fileno_croak (fh, 0);
611	dREQ;	882	dREQ;
612		883
613	req->type = ix;	884	req->type = ix;
614	req->sv1 = newSVsv (fh);	885	req->sv1 = newSVsv (fh);
615	req->int1 = fd;	886	req->int1 = fd;
616		887
617	REQ_SEND (req);	888	REQ_SEND (req);
618	}	889	}
619		890
620	void	891	void
621	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	892	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
622	PROTOTYPE: $$$$;$
623	PPCODE:	893	PPCODE:
624	{	894	{
625	int fd = extract_fd (fh, 0);	895	int fd = s_fileno_croak (fh, 0);
626	dREQ;	896	dREQ;
627		897
628	req->type = EIO_SYNC_FILE_RANGE;	898	req->type = EIO_SYNC_FILE_RANGE;
629	req->sv1 = newSVsv (fh);	899	req->sv1 = newSVsv (fh);
630	req->int1 = fd;	900	req->int1 = fd;
631	req->offs = SvVAL64 (offset);	901	req->offs = offset;
632	req->size = SvVAL64 (nbytes);	902	req->size = nbytes;
633	req->int2 = flags;	903	req->int2 = flags;
634		904
635	REQ_SEND (req);	905	REQ_SEND (req);
636	}	906	}
637		907
638	void	908	void
639	aio_close (SV fh, SV callback=&PL_sv_undef)	909	aio_close (SV fh, SV callback=&PL_sv_undef)
640	PROTOTYPE: $;$
641	PPCODE:	910	PPCODE:
642	{	911	{
643	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	912	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
644	int fd = extract_fd (fh, 0);	913	int fd = s_fileno_croak (fh, 0);
645	dREQ;	914	dREQ;
646		915
647	if (close_pipe < 0)	916	if (close_pipe < 0)
648	{	917	{
649	int pipefd [2];	918	int pipefd [2];
…		…
667	void	936	void
668	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	937	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
669	ALIAS:	938	ALIAS:
670	aio_read = EIO_READ	939	aio_read = EIO_READ
671	aio_write = EIO_WRITE	940	aio_write = EIO_WRITE
672	PROTOTYPE: $$$$$;$
673	PPCODE:	941	PPCODE:
674	{	942	{
675	STRLEN svlen;	943	STRLEN svlen;
676	int fd = extract_fd (fh, ix == EIO_WRITE);	944	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
677	char *svptr = SvPVbyte (data, svlen);	945	char *svptr = SvPVbyte (data, svlen);
678	UV len = SvUV (length);	946	UV len = SvUV (length);
679		947
680	if (dataoffset < 0)	948	if (dataoffset < 0)
681	dataoffset += svlen;	949	dataoffset += svlen;
…		…
718	}	986	}
719	}	987	}
720		988
721	void	989	void
722	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	990	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
723	PROTOTYPE: $$;$
724	PPCODE:	991	PPCODE:
725	{	992	{
726	SV *data;	993	SV *data;
727	dREQ;	994	dREQ;
728		995
…		…
732		999
733	REQ_SEND;	1000	REQ_SEND;
734	}	1001	}
735		1002
736	void	1003	void
737	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	1004	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
738	PROTOTYPE: $$$$;$
739	PPCODE:	1005	PPCODE:
740	{	1006	{
741	int ifd = extract_fd (in_fh , 0);	1007	int ifd = s_fileno_croak (in_fh , 0);
742	int ofd = extract_fd (out_fh, 0);	1008	int ofd = s_fileno_croak (out_fh, 1);
743	dREQ;	1009	dREQ;
744		1010
745	req->type = EIO_SENDFILE;	1011	req->type = EIO_SENDFILE;
746	req->sv1 = newSVsv (out_fh);	1012	req->sv1 = newSVsv (out_fh);
747	req->int1 = ofd;	1013	req->int1 = ofd;
748	req->sv2 = newSVsv (in_fh);	1014	req->sv2 = newSVsv (in_fh);
749	req->int2 = ifd;	1015	req->int2 = ifd;
750	req->offs = SvVAL64 (in_offset);	1016	req->offs = in_offset;
751	req->size = length;	1017	req->size = length;
752		1018
753	REQ_SEND;	1019	REQ_SEND;
754	}	1020	}
755		1021
756	void	1022	void
757	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1023	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
758	PROTOTYPE: $$$;$
759	PPCODE:	1024	PPCODE:
760	{	1025	{
761	int fd = extract_fd (fh, 0);	1026	int fd = s_fileno_croak (fh, 0);
762	dREQ;	1027	dREQ;
763		1028
764	req->type = EIO_READAHEAD;	1029	req->type = EIO_READAHEAD;
765	req->sv1 = newSVsv (fh);	1030	req->sv1 = newSVsv (fh);
766	req->int1 = fd;	1031	req->int1 = fd;
767	req->offs = SvVAL64 (offset);	1032	req->offs = offset;
768	req->size = length;	1033	req->size = length;
769		1034
770	REQ_SEND;	1035	REQ_SEND;
771	}	1036	}
772		1037
773	void	1038	void
774	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1039	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
775	ALIAS:	1040	ALIAS:
776	aio_stat = EIO_STAT	1041	aio_stat = EIO_STAT
777	aio_lstat = EIO_LSTAT	1042	aio_lstat = EIO_LSTAT
		1043	aio_statvfs = EIO_STATVFS
778	PPCODE:	1044	PPCODE:
779	{	1045	{
780	dREQ;	1046	dREQ;
781		1047
782	req->sv1 = newSVsv (fh_or_path);	1048	req->sv1 = newSVsv (fh_or_path);
…		…
786	req->type = ix;	1052	req->type = ix;
787	req->ptr1 = SvPVbyte_nolen (req->sv1);	1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
788	}	1054	}
789	else	1055	else
790	{	1056	{
791	req->type = EIO_FSTAT;	1057	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
792	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1058	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
793	}	1059	}
794		1060
795	REQ_SEND;	1061	REQ_SEND;
796	}	1062	}
…		…
891		1157
892	REQ_SEND;	1158	REQ_SEND;
893	}	1159	}
894		1160
895	void	1161	void
		1162	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1163	PPCODE:
		1164	{
		1165	dREQ;
		1166
		1167	req->type = EIO_READDIR;
		1168	req->sv1 = newSVsv (pathname);
		1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1170	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1171
		1172	if (flags & EIO_READDIR_DENTS)
		1173	req->int1 \|= EIO_READDIR_CUSTOM2;
		1174
		1175	REQ_SEND;
		1176	}
		1177
		1178	void
896	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1179	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
897	ALIAS:	1180	ALIAS:
898	aio_unlink = EIO_UNLINK	1181	aio_unlink = EIO_UNLINK
899	aio_rmdir = EIO_RMDIR	1182	aio_rmdir = EIO_RMDIR
900	aio_readdir = EIO_READDIR	1183	aio_readdir = EIO_READDIR
…		…
942		1225
943	REQ_SEND;	1226	REQ_SEND;
944	}	1227	}
945		1228
946	void	1229	void
		1230	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1231	ALIAS:
		1232	aio_mtouch = EIO_MTOUCH
		1233	aio_msync = EIO_MSYNC
		1234	PPCODE:
		1235	{
		1236	STRLEN svlen;
		1237	char *svptr = SvPVbyte (data, svlen);
		1238	UV len = SvUV (length);
		1239
		1240	if (offset < 0)
		1241	offset += svlen;
		1242
		1243	if (offset < 0 \|\| offset > svlen)
		1244	croak ("offset outside of scalar");
		1245
		1246	if (!SvOK (length) \|\| len + offset > svlen)
		1247	len = svlen - offset;
		1248
		1249	{
		1250	dREQ;
		1251
		1252	req->type = ix;
		1253	req->sv2 = SvREFCNT_inc (data);
		1254	req->ptr2 = (char *)svptr + offset;
		1255	req->size = len;
		1256	req->int1 = flags;
		1257
		1258	REQ_SEND;
		1259	}
		1260	}
		1261
		1262	void
		1263	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1264	PPCODE:
		1265	{
		1266	STRLEN svlen;
		1267	char *svptr = SvPVbyte (data, svlen);
		1268	UV len = SvUV (length);
		1269
		1270	if (offset < 0)
		1271	offset += svlen;
		1272
		1273	if (offset < 0 \|\| offset > svlen)
		1274	croak ("offset outside of scalar");
		1275
		1276	if (!SvOK (length) \|\| len + offset > svlen)
		1277	len = svlen - offset;
		1278
		1279	{
		1280	dREQ;
		1281
		1282	req->type = EIO_MLOCK;
		1283	req->sv2 = SvREFCNT_inc (data);
		1284	req->ptr2 = (char *)svptr + offset;
		1285	req->size = len;
		1286
		1287	REQ_SEND;
		1288	}
		1289	}
		1290
		1291	void
		1292	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1293	PPCODE:
		1294	{
		1295	dREQ;
		1296
		1297	req->type = EIO_MLOCKALL;
		1298	req->int1 = flags;
		1299
		1300	REQ_SEND;
		1301	}
		1302
		1303	void
947	aio_busy (double delay, SV *callback=&PL_sv_undef)	1304	aio_busy (double delay, SV *callback=&PL_sv_undef)
948	PPCODE:	1305	PPCODE:
949	{	1306	{
950	dREQ;	1307	dREQ;
951		1308
…		…
955	REQ_SEND;	1312	REQ_SEND;
956	}	1313	}
957		1314
958	void	1315	void
959	aio_group (SV *callback=&PL_sv_undef)	1316	aio_group (SV *callback=&PL_sv_undef)
960	PROTOTYPE: ;$
961	PPCODE:	1317	PPCODE:
962	{	1318	{
963	dREQ;	1319	dREQ;
964		1320
965	req->type = EIO_GROUP;	1321	req->type = EIO_GROUP;
966		1322
967	req_submit (req);	1323	req_submit (req);
968	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1324	XPUSHs (req_sv (req, aio_grp_stash));
969	}	1325	}
970		1326
971	void	1327	void
972	aio_nop (SV *callback=&PL_sv_undef)	1328	aio_nop (SV *callback=&PL_sv_undef)
973	ALIAS:	1329	ALIAS:
…		…
982	REQ_SEND;	1338	REQ_SEND;
983	}	1339	}
984		1340
985	int	1341	int
986	aioreq_pri (int pri = 0)	1342	aioreq_pri (int pri = 0)
987	PROTOTYPE: ;$
988	CODE:	1343	CODE:
989	RETVAL = next_pri;	1344	RETVAL = next_pri;
990	if (items > 0)	1345	if (items > 0)
991	{	1346	{
992	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1347	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1004	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1359	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1005	next_pri = nice;	1360	next_pri = nice;
1006		1361
1007	void	1362	void
1008	flush ()	1363	flush ()
1009	PROTOTYPE:
1010	CODE:	1364	CODE:
1011	while (eio_nreqs ())	1365	while (eio_nreqs ())
1012	{	1366	{
1013	poll_wait ();	1367	poll_wait ();
1014	poll_cb ();	1368	poll_cb ();
1015	}	1369	}
1016		1370
1017	int	1371	int
1018	poll()	1372	poll ()
1019	PROTOTYPE:
1020	CODE:	1373	CODE:
1021	poll_wait ();	1374	poll_wait ();
1022	RETVAL = poll_cb ();	1375	RETVAL = poll_cb ();
1023	OUTPUT:	1376	OUTPUT:
1024	RETVAL	1377	RETVAL
1025		1378
1026	int	1379	int
1027	poll_fileno()	1380	poll_fileno ()
1028	PROTOTYPE:
1029	CODE:	1381	CODE:
1030	RETVAL = respipe [0];	1382	RETVAL = s_epipe_fd (&respipe);
1031	OUTPUT:	1383	OUTPUT:
1032	RETVAL	1384	RETVAL
1033		1385
1034	int	1386	int
1035	poll_cb(...)	1387	poll_cb (...)
1036	PROTOTYPE:	1388	PROTOTYPE:
1037	CODE:	1389	CODE:
1038	RETVAL = poll_cb ();	1390	RETVAL = poll_cb ();
1039	OUTPUT:	1391	OUTPUT:
1040	RETVAL	1392	RETVAL
1041		1393
1042	void	1394	void
1043	poll_wait()	1395	poll_wait ()
1044	PROTOTYPE:
1045	CODE:	1396	CODE:
1046	poll_wait ();	1397	poll_wait ();
1047		1398
1048	int	1399	int
1049	nreqs()	1400	nreqs ()
1050	PROTOTYPE:
1051	CODE:	1401	CODE:
1052	RETVAL = eio_nreqs ();	1402	RETVAL = eio_nreqs ();
1053	OUTPUT:	1403	OUTPUT:
1054	RETVAL	1404	RETVAL
1055		1405
1056	int	1406	int
1057	nready()	1407	nready ()
1058	PROTOTYPE:
1059	CODE:	1408	CODE:
1060	RETVAL = eio_nready ();	1409	RETVAL = eio_nready ();
1061	OUTPUT:	1410	OUTPUT:
1062	RETVAL	1411	RETVAL
1063		1412
1064	int	1413	int
1065	npending()	1414	npending ()
1066	PROTOTYPE:
1067	CODE:	1415	CODE:
1068	RETVAL = eio_npending ();	1416	RETVAL = eio_npending ();
1069	OUTPUT:	1417	OUTPUT:
1070	RETVAL	1418	RETVAL
1071		1419
1072	int	1420	int
1073	nthreads()	1421	nthreads ()
1074	PROTOTYPE:
1075	CODE:	1422	CODE:
1076	RETVAL = eio_nthreads ();	1423	RETVAL = eio_nthreads ();
1077	OUTPUT:	1424	OUTPUT:
1078	RETVAL	1425	RETVAL
1079		1426
		1427	int
		1428	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1429	CODE:
		1430	RETVAL = posix_fadvise (fh, offset, length, advice);
		1431	OUTPUT:
		1432	RETVAL
		1433
		1434	ssize_t
		1435	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1436	CODE:
		1437	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1438	OUTPUT:
		1439	RETVAL
		1440
		1441	void
		1442	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1443	PPCODE:
		1444	sv_unmagic (scalar, MMAP_MAGIC);
		1445	{
		1446	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1447	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1448	if (addr == (void *)-1)
		1449	XSRETURN_NO;
		1450
		1451	sv_force_normal (scalar);
		1452
		1453	/* we store the length in mg_obj, as namlen is I32 :/ */
		1454	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1455	->mg_obj = (SV *)length;
		1456
		1457	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1458
		1459	if (!(prot & PROT_WRITE))
		1460	SvREADONLY_on (scalar);
		1461
		1462	if (SvLEN (scalar))
		1463	Safefree (SvPVX (scalar));
		1464
		1465	SvPVX (scalar) = (char *)addr;
		1466	SvCUR_set (scalar, length);
		1467	SvLEN_set (scalar, 0);
		1468	SvPOK_only (scalar);
		1469
		1470	XSRETURN_YES;
		1471	}
		1472
		1473	void
		1474	munmap (SV *scalar)
		1475	CODE:
		1476	sv_unmagic (scalar, MMAP_MAGIC);
		1477
		1478	int
		1479	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1480	ALIAS:
		1481	mprotect = 1
		1482	CODE:
		1483	{
		1484	STRLEN svlen;
		1485	void *addr = SvPVbyte (scalar, svlen);
		1486	size_t len = SvUV (length);
		1487
		1488	if (offset < 0)
		1489	offset += svlen;
		1490
		1491	if (offset < 0 \|\| offset > svlen)
		1492	croak ("offset outside of scalar");
		1493
		1494	if (!SvOK (length) \|\| len + offset > svlen)
		1495	len = svlen - offset;
		1496
		1497	addr = (void *)(((intptr_t)addr) + offset);
		1498	eio_page_align (&addr, &len);
		1499
		1500	switch (ix)
		1501	{
		1502	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1503	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1504	}
		1505	}
		1506	OUTPUT:
		1507	RETVAL
		1508
		1509	int
		1510	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1511	CODE:
		1512	{
		1513	STRLEN svlen;
		1514	void *addr = SvPVbyte (scalar, svlen);
		1515	size_t len = SvUV (length);
		1516
		1517	if (offset < 0)
		1518	offset += svlen;
		1519
		1520	if (offset < 0 \|\| offset > svlen)
		1521	croak ("offset outside of scalar");
		1522
		1523	if (!SvOK (length) \|\| len + offset > svlen)
		1524	len = svlen - offset;
		1525
		1526	addr = (void *)(((intptr_t)addr) + offset);
		1527	eio_page_align (&addr, &len);
		1528	#if _POSIX_MEMLOCK
		1529	RETVAL = munlock (addr, len);
		1530	#else
		1531	RETVAL = ((errno = ENOSYS), -1);
		1532	#endif
		1533	}
		1534	OUTPUT:
		1535	RETVAL
		1536
		1537	int
		1538	munlockall ()
		1539	CODE:
		1540	#if _POSIX_MEMLOCK
		1541	munlockall ();
		1542	#else
		1543	RETVAL = -1;
		1544	errno = ENOSYS;
		1545	#endif
		1546	OUTPUT:
		1547	RETVAL
		1548
1080	void _on_next_submit (SV *cb)	1549	void _on_next_submit (SV *cb)
1081	CODE:	1550	CODE:
1082	SvREFCNT_dec (on_next_submit);	1551	SvREFCNT_dec (on_next_submit);
1083	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1552	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1084		1553
…		…
1098	if (GIMME_V != G_VOID)	1567	if (GIMME_V != G_VOID)
1099	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1568	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1100		1569
1101	if (items > 1)	1570	if (items > 1)
1102	{	1571	{
1103	SV *cb_cv = get_cb (callback);	1572	SV *cb_cv =get_cb (callback);
1104		1573
1105	SvREFCNT_dec (req->callback);	1574	SvREFCNT_dec (req->callback);
1106	req->callback = SvREFCNT_inc (cb_cv);	1575	req->callback = SvREFCNT_inc (cb_cv);
1107	}	1576	}
1108	}	1577	}
…		…
1145	AV *av;	1614	AV *av;
1146		1615
1147	grp->errorno = errno;	1616	grp->errorno = errno;
1148		1617
1149	av = newAV ();	1618	av = newAV ();
		1619	av_extend (av, items - 1);
1150		1620
1151	for (i = 1; i < items; ++i )	1621	for (i = 1; i < items; ++i )
1152	av_push (av, newSVsv (ST (i)));	1622	av_push (av, newSVsv (ST (i)));
1153		1623
1154	SvREFCNT_dec (grp->sv1);	1624	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.139 by root, Tue Apr 21 20:12:56 2009 UTC vs. Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.139 by root, Tue Apr 21 20:12:56 2009 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC