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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.172 by root, Sun Sep 12 03:36:27 2010 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
		16	#include <sys/statvfs.h>
14	#include <limits.h>	17	#include <limits.h>
15	#include <fcntl.h>	18	#include <fcntl.h>
16	#include <sched.h>	19	#include <sched.h>
		20
		21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
17		24
18	/* perl namespace pollution */	25	/* perl namespace pollution */
19	#undef VERSION	26	#undef VERSION
20		27
21	#ifdef _WIN32	28	#ifdef _WIN32
…		…
75		82
76	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
77		84
78	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
80	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
81	#else	90	#else
		91	# define VAL64 NV
82	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
83	#endif	94	#endif
84		95
85	/*****************************************************************************/	96	/*****************************************************************************/
86		97
87	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
95		106
96	/*****************************************************************************/	107	/*****************************************************************************/
97		108
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
		110	typedef int aio_rfd; /* read file desriptor */
		111	typedef int aio_wfd; /* write file descriptor */
100		112
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		114
104	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
105	SV *callback; \	116	SV *callback; \
106	SV sv1, sv2; \	117	SV sv1, sv2; \
107	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
112	#include "libeio/eio.h"	123	#include "libeio/eio.h"
113		124
		125	#ifndef POSIX_FADV_NORMAL
		126	# define POSIX_FADV_NORMAL 0
		127	# define NO_FADVISE 1
		128	#endif
		129	#ifndef POSIX_FADV_SEQUENTIAL
		130	# define POSIX_FADV_SEQUENTIAL 0
		131	#endif
		132	#ifndef POSIX_FADV_RANDOM
		133	# define POSIX_FADV_RANDOM 0
		134	#endif
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138	#ifndef POSIX_FADV_WILLNEED
		139	# define POSIX_FADV_WILLNEED 0
		140	#endif
		141	#ifndef POSIX_FADV_DONTNEED
		142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#if _XOPEN_SOURCE < 600 \|\| NO_FADVISE
		146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		147	#endif
		148
		149	#ifndef POSIX_MADV_NORMAL
		150	# define POSIX_MADV_NORMAL 0
		151	# define NO_MADVISE 1
		152	#endif
		153	#ifndef POSIX_MADV_SEQUENTIAL
		154	# define POSIX_MADV_SEQUENTIAL 0
		155	#endif
		156	#ifndef POSIX_MADV_RANDOM
		157	# define POSIX_MADV_RANDOM 0
		158	#endif
		159	#ifndef POSIX_MADV_WILLNEED
		160	# define POSIX_MADV_WILLNEED 0
		161	#endif
		162	#ifndef POSIX_MADV_DONTNEED
		163	# define POSIX_MADV_DONTNEED 0
		164	#endif
		165
		166	#if _XOPEN_SOURCE < 600 \|\| NO_MADVISE
		167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		168	#endif
		169
		170	#ifndef PROT_NONE
		171	# define PROT_NONE 0
		172	#endif
		173	#ifndef PROT_READ
		174	# define PROT_READ 0
		175	#endif
		176	#ifndef PROT_WRITE
		177	# define PROT_READ 0
		178	#endif
		179	#ifndef PROT_EXEC
		180	# define PROT_EXEC 0
		181	#endif
		182
		183	#ifndef ST_NODEV
		184	# define ST_NODEV 0
		185	#endif
		186	#ifndef ST_NOEXEC
		187	# define ST_NOEXEC 0
		188	#endif
		189	#ifndef ST_SYNCHRONOUS
		190	# define ST_SYNCHRONOUS 0
		191	#endif
		192	#ifndef ST_MANDLOCK
		193	# define ST_MANDLOCK 0
		194	#endif
		195	#ifndef ST_WRITE
		196	# define ST_WRITE 0
		197	#endif
		198	#ifndef ST_APPEND
		199	# define ST_APPEND 0
		200	#endif
		201	#ifndef ST_IMMUTABLE
		202	# define ST_IMMUTABLE 0
		203	#endif
		204	#ifndef ST_NOATIME
		205	# define ST_NOATIME 0
		206	#endif
		207	#ifndef ST_NODIRATIME
		208	# define ST_NODIRATIME 0
		209	#endif
		210	#ifndef ST_RELATIME
		211	# define ST_RELATIME 0
		212	#endif
		213
		214	#ifndef MAP_ANONYMOUS
		215	# ifdef MAP_ANON
		216	# define MAP_ANONYMOUS MAP_ANON
		217	# else
		218	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		219	# endif
		220	#endif
		221	#ifndef MAP_HUGETLB
		222	# define MAP_HUGETLB 0
		223	#endif
		224	#ifndef MAP_LOCKED
		225	# define MAP_LOCKED 0
		226	#endif
		227	#ifndef MAP_NORESERVE
		228	# define MAP_NORESERVE 0
		229	#endif
		230	#ifndef MAP_POPULATE
		231	# define MAP_POPULATE 0
		232	#endif
		233	#ifndef MAP_NONBLOCK
		234	# define MAP_NONBLOCK 0
		235	#endif
		236
		237	#ifndef PAGESIZE
		238	# define PAGESIZE sysconf (_SC_PAGESIZE)
		239	#endif
		240
114	static int req_invoke (eio_req *req);	241	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	242	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	243	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	244	#define EIO_DESTROY(req) req_destroy (req)
118		245
…		…
127		254
128	static SV *on_next_submit;	255	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	256	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	257	static int max_outstanding;
131		258
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	259	static s_epipe respipe;
133		260
134	static void req_destroy (aio_req req);	261	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	262	static void req_cancel (aio_req req);
136		263
137	static void want_poll (void)	264	static void want_poll (void)
138	{	265	{
139	/* write a dummy byte to the pipe so fh becomes ready */	266	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	267	s_epipe_signal (&respipe);
141	}	268	}
142		269
143	static void done_poll (void)	270	static void done_poll (void)
144	{	271	{
145	/* read any signals sent by the worker threads */	272	/* read any signals sent by the worker threads */
146	char buf [4];	273	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	274	}
150		275
151	/* must be called at most once */	276	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	277	static SV req_sv (aio_req req, HV stash)
153	{	278	{
154	if (!req->self)	279	if (!req->self)
155	{	280	{
156	req->self = (SV *)newHV ();	281	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	282	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	283	}
159		284
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	285	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	286	}
162		287
163	static aio_req SvAIO_REQ (SV *sv)	288	static aio_req SvAIO_REQ (SV *sv)
164	{	289	{
165	MAGIC *mg;	290	MAGIC *mg;
166		291
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	292	if (!SvROK (sv)
		293	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		294	&& SvSTASH (SvRV (sv)) != aio_req_stash
		295	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	296	croak ("object of class IO::AIO::REQ expected");
169		297
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	298	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		299
172	return mg ? (aio_req)mg->mg_ptr : 0;	300	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	301	}
…		…
179	dSP;	307	dSP;
180		308
181	ENTER;	309	ENTER;
182	SAVETMPS;	310	SAVETMPS;
183	PUSHMARK (SP);	311	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	312	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	313	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	314	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	315	SPAGAIN;
188	FREETMPS;	316	FREETMPS;
189	LEAVE;	317	LEAVE;
…		…
207	}	335	}
208	}	336	}
209		337
210	static int req_invoke (eio_req *req)	338	static int req_invoke (eio_req *req)
211	{	339	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
216		342
217	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
218	{	344	{
		345	dSP;
		346	static SV sv_result_cache; / caches the result integer SV */
		347	SV *sv_result;
		348
219	ENTER;	349	ENTER;
220	SAVETMPS;	350	SAVETMPS;
221	PUSHMARK (SP);	351	PUSHMARK (SP);
222	EXTEND (SP, 1);	352	EXTEND (SP, 1);
		353
		354	/* do not recreate the result IV from scratch each time */
		355	if (expect_true (sv_result_cache))
		356	{
		357	sv_result = sv_result_cache; sv_result_cache = 0;
		358	SvIV_set (sv_result, req->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(), su 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	#endif
		644
		645	#define MMAP_MAGIC PERL_MAGIC_ext
		646
		647	static int
		648	mmap_free (pTHX_ SV sv, MAGIC mg)
		649	{
		650	int old_errno = errno;
		651	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		652	errno = old_errno;
		653
		654	mg->mg_obj = 0; /* just in case */
		655
		656	SvREADONLY_off (sv);
		657
		658	if (SvPVX (sv) != mg->mg_ptr)
		659	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		660
		661	SvCUR_set (sv, 0);
		662	SvPVX (sv) = 0;
		663	SvOK_off (sv);
		664
		665	return 0;
		666	}
		667
		668	static MGVTBL mmap_vtbl = {
		669	0, 0, 0, 0, mmap_free
		670	};
		671
		672	/*****************************************************************************/
		673
468	static SV *	674	static SV *
469	get_cb (SV *cb_sv)	675	get_cb (SV *cb_sv)
470	{	676	{
471	HV *st;	677	SvGETMAGIC (cb_sv);
472	GV *gvp;	678	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	}	679	}
485		680
486	#define dREQ \	681	#define dREQ \
487	SV *cb_cv; \	682	SV *cb_cv; \
488	aio_req req; \	683	aio_req req; \
…		…
502	PUTBACK; \	697	PUTBACK; \
503	req_submit (req); \	698	req_submit (req); \
504	SPAGAIN; \	699	SPAGAIN; \
505	\	700	\
506	if (GIMME_V != G_VOID) \	701	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	702	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		703
520	MODULE = IO::AIO PACKAGE = IO::AIO	704	MODULE = IO::AIO PACKAGE = IO::AIO
521		705
522	PROTOTYPES: ENABLE	706	PROTOTYPES: ENABLE
523		707
524	BOOT:	708	BOOT:
525	{	709	{
526	stash = gv_stashpv ("IO::AIO", 1);	710	static const struct {
527		711	const char *name;
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	712	IV iv;
529	newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS));	713	} *civ, const_iv[] = {
530	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	714	# define const_niv(name, value) { # name, (IV) value },
531	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	715	# define const_iv(name) { # name, (IV) name },
532	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	716	# define const_eio(name) { # name, (IV) EIO_ ## name },
533	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	717	const_iv (EXDEV)
		718	const_iv (ENOSYS)
		719	const_iv (O_RDONLY)
		720	const_iv (O_WRONLY)
		721	const_iv (O_RDWR)
		722	const_iv (O_CREAT)
		723	const_iv (O_TRUNC)
		724	const_iv (O_EXCL)
		725	const_iv (O_APPEND)
534	#ifndef _WIN32	726	#ifndef _WIN32
535	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	727	const_iv (S_IFIFO)
536	#endif	728	#endif
537	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	729	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	730	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	731	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
540	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	732	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		733	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		734	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
541		735
		736	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		737	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		738	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		739	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		740	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		741
		742	const_iv (ST_RDONLY)
		743	const_iv (ST_NOSUID)
		744	const_iv (ST_NODEV)
		745	const_iv (ST_NOEXEC)
		746	const_iv (ST_SYNCHRONOUS)
		747	const_iv (ST_MANDLOCK)
		748	const_iv (ST_WRITE)
		749	const_iv (ST_APPEND)
		750	const_iv (ST_IMMUTABLE)
		751	const_iv (ST_NOATIME)
		752	const_iv (ST_NODIRATIME)
		753	const_iv (ST_RELATIME)
		754
		755	const_iv (PROT_NONE)
		756	const_iv (PROT_EXEC)
		757	const_iv (PROT_READ)
		758	const_iv (PROT_WRITE)
		759
		760	/const_iv (MAP_FIXED)/
		761	const_iv (MAP_PRIVATE)
		762	const_iv (MAP_SHARED)
		763	const_iv (MAP_ANONYMOUS)
		764
		765	/* linuxish */
		766	const_iv (MAP_HUGETLB)
		767	const_iv (MAP_LOCKED)
		768	const_iv (MAP_NORESERVE)
		769	const_iv (MAP_POPULATE)
		770	const_iv (MAP_NONBLOCK)
		771
		772	const_eio (MCL_FUTURE)
		773	const_eio (MCL_CURRENT)
		774
		775	const_eio (MS_ASYNC)
		776	const_eio (MS_INVALIDATE)
		777	const_eio (MS_SYNC)
		778
		779	const_eio (MT_MODIFY)
		780
		781	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		782	const_eio (SYNC_FILE_RANGE_WRITE)
		783	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		784
		785	const_eio (READDIR_DENTS)
		786	const_eio (READDIR_DIRS_FIRST)
		787	const_eio (READDIR_STAT_ORDER)
		788	const_eio (READDIR_FOUND_UNKNOWN)
		789
		790	const_eio (DT_UNKNOWN)
		791	const_eio (DT_FIFO)
		792	const_eio (DT_CHR)
		793	const_eio (DT_DIR)
		794	const_eio (DT_BLK)
		795	const_eio (DT_REG)
		796	const_eio (DT_LNK)
		797	const_eio (DT_SOCK)
		798	const_eio (DT_WHT)
		799	};
		800
		801	aio_stash = gv_stashpv ("IO::AIO" , 1);
		802	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		803	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		804
		805	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		806	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		807
		808	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		809
542	create_respipe ();	810	create_respipe ();
543		811
544	if (eio_init (want_poll, done_poll) < 0)	812	if (eio_init (want_poll, done_poll) < 0)
545	croak ("IO::AIO: unable to initialise eio library");	813	croak ("IO::AIO: unable to initialise eio library");
546		814
547	/* atfork child called in fifo order, so before eio's handler */	815	/* atfork child called in fifo order, so before eio's handler */
548	X_THREAD_ATFORK (0, 0, atfork_child);	816	X_THREAD_ATFORK (0, 0, atfork_child);
549	}	817	}
550		818
551	void	819	void
552	max_poll_reqs (int nreqs)	820	max_poll_reqs (int nreqs)
553	PROTOTYPE: $	821	PROTOTYPE: $
…		…
584	CODE:	852	CODE:
585	max_outstanding = maxreqs;	853	max_outstanding = maxreqs;
586		854
587	void	855	void
588	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	856	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
589	PROTOTYPE: $$$;$
590	PPCODE:	857	PPCODE:
591	{	858	{
592	dREQ;	859	dREQ;
593		860
594	req->type = EIO_OPEN;	861	req->type = EIO_OPEN;
…		…
600	REQ_SEND;	867	REQ_SEND;
601	}	868	}
602		869
603	void	870	void
604	aio_fsync (SV fh, SV callback=&PL_sv_undef)	871	aio_fsync (SV fh, SV callback=&PL_sv_undef)
605	PROTOTYPE: $;$
606	ALIAS:	872	ALIAS:
607	aio_fsync = EIO_FSYNC	873	aio_fsync = EIO_FSYNC
608	aio_fdatasync = EIO_FDATASYNC	874	aio_fdatasync = EIO_FDATASYNC
609	PPCODE:	875	PPCODE:
610	{	876	{
611	int fd = extract_fd (fh, 0);	877	int fd = s_fileno_croak (fh, 0);
612	dREQ;	878	dREQ;
613		879
614	req->type = ix;	880	req->type = ix;
615	req->sv1 = newSVsv (fh);	881	req->sv1 = newSVsv (fh);
616	req->int1 = fd;	882	req->int1 = fd;
617		883
618	REQ_SEND (req);	884	REQ_SEND (req);
619	}	885	}
620		886
621	void	887	void
622	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	888	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
623	PROTOTYPE: $$$$;$
624	PPCODE:	889	PPCODE:
625	{	890	{
626	int fd = extract_fd (fh, 0);	891	int fd = s_fileno_croak (fh, 0);
627	dREQ;	892	dREQ;
628		893
629	req->type = EIO_SYNC_FILE_RANGE;	894	req->type = EIO_SYNC_FILE_RANGE;
630	req->sv1 = newSVsv (fh);	895	req->sv1 = newSVsv (fh);
631	req->int1 = fd;	896	req->int1 = fd;
632	req->offs = SvVAL64 (offset);	897	req->offs = offset;
633	req->size = SvVAL64 (nbytes);	898	req->size = nbytes;
634	req->int2 = flags;	899	req->int2 = flags;
635		900
636	REQ_SEND (req);	901	REQ_SEND (req);
637	}	902	}
638		903
639	void	904	void
640	aio_close (SV fh, SV callback=&PL_sv_undef)	905	aio_close (SV fh, SV callback=&PL_sv_undef)
641	PROTOTYPE: $;$
642	PPCODE:	906	PPCODE:
643	{	907	{
644	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	908	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
645	int fd = extract_fd (fh, 0);	909	int fd = s_fileno_croak (fh, 0);
646	dREQ;	910	dREQ;
647		911
648	if (close_pipe < 0)	912	if (close_pipe < 0)
649	{	913	{
650	int pipefd [2];	914	int pipefd [2];
…		…
668	void	932	void
669	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	933	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
670	ALIAS:	934	ALIAS:
671	aio_read = EIO_READ	935	aio_read = EIO_READ
672	aio_write = EIO_WRITE	936	aio_write = EIO_WRITE
673	PROTOTYPE: $$$$$;$
674	PPCODE:	937	PPCODE:
675	{	938	{
676	STRLEN svlen;	939	STRLEN svlen;
677	int fd = extract_fd (fh, ix == EIO_WRITE);	940	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
678	char *svptr = SvPVbyte (data, svlen);	941	char *svptr = SvPVbyte (data, svlen);
679	UV len = SvUV (length);	942	UV len = SvUV (length);
680		943
681	if (dataoffset < 0)	944	if (dataoffset < 0)
682	dataoffset += svlen;	945	dataoffset += svlen;
…		…
719	}	982	}
720	}	983	}
721		984
722	void	985	void
723	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	986	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
724	PROTOTYPE: $$;$
725	PPCODE:	987	PPCODE:
726	{	988	{
727	SV *data;	989	SV *data;
728	dREQ;	990	dREQ;
729		991
…		…
733		995
734	REQ_SEND;	996	REQ_SEND;
735	}	997	}
736		998
737	void	999	void
738	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	1000	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
739	PROTOTYPE: $$$$;$
740	PPCODE:	1001	PPCODE:
741	{	1002	{
742	int ifd = extract_fd (in_fh , 0);	1003	int ifd = s_fileno_croak (in_fh , 0);
743	int ofd = extract_fd (out_fh, 0);	1004	int ofd = s_fileno_croak (out_fh, 1);
744	dREQ;	1005	dREQ;
745		1006
746	req->type = EIO_SENDFILE;	1007	req->type = EIO_SENDFILE;
747	req->sv1 = newSVsv (out_fh);	1008	req->sv1 = newSVsv (out_fh);
748	req->int1 = ofd;	1009	req->int1 = ofd;
749	req->sv2 = newSVsv (in_fh);	1010	req->sv2 = newSVsv (in_fh);
750	req->int2 = ifd;	1011	req->int2 = ifd;
751	req->offs = SvVAL64 (in_offset);	1012	req->offs = in_offset;
752	req->size = length;	1013	req->size = length;
753		1014
754	REQ_SEND;	1015	REQ_SEND;
755	}	1016	}
756		1017
757	void	1018	void
758	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1019	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
759	PROTOTYPE: $$$;$
760	PPCODE:	1020	PPCODE:
761	{	1021	{
762	int fd = extract_fd (fh, 0);	1022	int fd = s_fileno_croak (fh, 0);
763	dREQ;	1023	dREQ;
764		1024
765	req->type = EIO_READAHEAD;	1025	req->type = EIO_READAHEAD;
766	req->sv1 = newSVsv (fh);	1026	req->sv1 = newSVsv (fh);
767	req->int1 = fd;	1027	req->int1 = fd;
768	req->offs = SvVAL64 (offset);	1028	req->offs = offset;
769	req->size = length;	1029	req->size = length;
770		1030
771	REQ_SEND;	1031	REQ_SEND;
772	}	1032	}
773		1033
774	void	1034	void
775	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1035	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
776	ALIAS:	1036	ALIAS:
777	aio_stat = EIO_STAT	1037	aio_stat = EIO_STAT
778	aio_lstat = EIO_LSTAT	1038	aio_lstat = EIO_LSTAT
		1039	aio_statvfs = EIO_STATVFS
779	PPCODE:	1040	PPCODE:
780	{	1041	{
781	dREQ;	1042	dREQ;
782		1043
783	req->sv1 = newSVsv (fh_or_path);	1044	req->sv1 = newSVsv (fh_or_path);
…		…
787	req->type = ix;	1048	req->type = ix;
788	req->ptr1 = SvPVbyte_nolen (req->sv1);	1049	req->ptr1 = SvPVbyte_nolen (req->sv1);
789	}	1050	}
790	else	1051	else
791	{	1052	{
792	req->type = EIO_FSTAT;	1053	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
793	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1054	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
794	}	1055	}
795		1056
796	REQ_SEND;	1057	REQ_SEND;
797	}	1058	}
…		…
892		1153
893	REQ_SEND;	1154	REQ_SEND;
894	}	1155	}
895		1156
896	void	1157	void
		1158	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1159	PPCODE:
		1160	{
		1161	dREQ;
		1162
		1163	req->type = EIO_READDIR;
		1164	req->sv1 = newSVsv (pathname);
		1165	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1166	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1167
		1168	if (flags & EIO_READDIR_DENTS)
		1169	req->int1 \|= EIO_READDIR_CUSTOM2;
		1170
		1171	REQ_SEND;
		1172	}
		1173
		1174	void
897	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1175	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
898	ALIAS:	1176	ALIAS:
899	aio_unlink = EIO_UNLINK	1177	aio_unlink = EIO_UNLINK
900	aio_rmdir = EIO_RMDIR	1178	aio_rmdir = EIO_RMDIR
901	aio_readdir = EIO_READDIR	1179	aio_readdir = EIO_READDIR
…		…
943		1221
944	REQ_SEND;	1222	REQ_SEND;
945	}	1223	}
946		1224
947	void	1225	void
		1226	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1227	ALIAS:
		1228	aio_mtouch = EIO_MTOUCH
		1229	aio_msync = EIO_MSYNC
		1230	PPCODE:
		1231	{
		1232	STRLEN svlen;
		1233	char *svptr = SvPVbyte (data, svlen);
		1234	UV len = SvUV (length);
		1235
		1236	if (offset < 0)
		1237	offset += svlen;
		1238
		1239	if (offset < 0 \|\| offset > svlen)
		1240	croak ("offset outside of scalar");
		1241
		1242	if (!SvOK (length) \|\| len + offset > svlen)
		1243	len = svlen - offset;
		1244
		1245	{
		1246	dREQ;
		1247
		1248	req->type = ix;
		1249	req->sv2 = SvREFCNT_inc (data);
		1250	req->ptr2 = (char *)svptr + offset;
		1251	req->size = len;
		1252	req->int1 = flags;
		1253
		1254	REQ_SEND;
		1255	}
		1256	}
		1257
		1258	void
		1259	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1260	PPCODE:
		1261	{
		1262
		1263	STRLEN svlen;
		1264	char *svptr = SvPVbyte (data, svlen);
		1265	UV len = SvUV (length);
		1266
		1267	if (offset < 0)
		1268	offset += svlen;
		1269
		1270	if (offset < 0 \|\| offset > svlen)
		1271	croak ("offset outside of scalar");
		1272
		1273	if (!SvOK (length) \|\| len + offset > svlen)
		1274	len = svlen - offset;
		1275
		1276	{
		1277	dREQ;
		1278
		1279	req->type = EIO_MLOCK;
		1280	req->sv2 = SvREFCNT_inc (data);
		1281	req->ptr2 = (char *)svptr + offset;
		1282	req->size = len;
		1283
		1284	REQ_SEND;
		1285	}
		1286	}
		1287
		1288	void
		1289	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1290	PPCODE:
		1291	{
		1292	dREQ;
		1293
		1294	req->type = EIO_MLOCKALL;
		1295	req->int1 = flags;
		1296
		1297	REQ_SEND;
		1298	}
		1299
		1300	void
948	aio_busy (double delay, SV *callback=&PL_sv_undef)	1301	aio_busy (double delay, SV *callback=&PL_sv_undef)
949	PPCODE:	1302	PPCODE:
950	{	1303	{
951	dREQ;	1304	dREQ;
952		1305
…		…
956	REQ_SEND;	1309	REQ_SEND;
957	}	1310	}
958		1311
959	void	1312	void
960	aio_group (SV *callback=&PL_sv_undef)	1313	aio_group (SV *callback=&PL_sv_undef)
961	PROTOTYPE: ;$
962	PPCODE:	1314	PPCODE:
963	{	1315	{
964	dREQ;	1316	dREQ;
965		1317
966	req->type = EIO_GROUP;	1318	req->type = EIO_GROUP;
967		1319
968	req_submit (req);	1320	req_submit (req);
969	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1321	XPUSHs (req_sv (req, aio_grp_stash));
970	}	1322	}
971		1323
972	void	1324	void
973	aio_nop (SV *callback=&PL_sv_undef)	1325	aio_nop (SV *callback=&PL_sv_undef)
974	ALIAS:	1326	ALIAS:
…		…
983	REQ_SEND;	1335	REQ_SEND;
984	}	1336	}
985		1337
986	int	1338	int
987	aioreq_pri (int pri = 0)	1339	aioreq_pri (int pri = 0)
988	PROTOTYPE: ;$
989	CODE:	1340	CODE:
990	RETVAL = next_pri;	1341	RETVAL = next_pri;
991	if (items > 0)	1342	if (items > 0)
992	{	1343	{
993	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1344	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1005	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1356	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1006	next_pri = nice;	1357	next_pri = nice;
1007		1358
1008	void	1359	void
1009	flush ()	1360	flush ()
1010	PROTOTYPE:
1011	CODE:	1361	CODE:
1012	while (eio_nreqs ())	1362	while (eio_nreqs ())
1013	{	1363	{
1014	poll_wait ();	1364	poll_wait ();
1015	poll_cb ();	1365	poll_cb ();
1016	}	1366	}
1017		1367
1018	int	1368	int
1019	poll()	1369	poll ()
1020	PROTOTYPE:
1021	CODE:	1370	CODE:
1022	poll_wait ();	1371	poll_wait ();
1023	RETVAL = poll_cb ();	1372	RETVAL = poll_cb ();
1024	OUTPUT:	1373	OUTPUT:
1025	RETVAL	1374	RETVAL
1026		1375
1027	int	1376	int
1028	poll_fileno()	1377	poll_fileno ()
1029	PROTOTYPE:
1030	CODE:	1378	CODE:
1031	RETVAL = respipe [0];	1379	RETVAL = s_epipe_fd (&respipe);
1032	OUTPUT:	1380	OUTPUT:
1033	RETVAL	1381	RETVAL
1034		1382
1035	int	1383	int
1036	poll_cb(...)	1384	poll_cb (...)
1037	PROTOTYPE:	1385	PROTOTYPE:
1038	CODE:	1386	CODE:
1039	RETVAL = poll_cb ();	1387	RETVAL = poll_cb ();
1040	OUTPUT:	1388	OUTPUT:
1041	RETVAL	1389	RETVAL
1042		1390
1043	void	1391	void
1044	poll_wait()	1392	poll_wait ()
1045	PROTOTYPE:
1046	CODE:	1393	CODE:
1047	poll_wait ();	1394	poll_wait ();
1048		1395
1049	int	1396	int
1050	nreqs()	1397	nreqs ()
1051	PROTOTYPE:
1052	CODE:	1398	CODE:
1053	RETVAL = eio_nreqs ();	1399	RETVAL = eio_nreqs ();
1054	OUTPUT:	1400	OUTPUT:
1055	RETVAL	1401	RETVAL
1056		1402
1057	int	1403	int
1058	nready()	1404	nready ()
1059	PROTOTYPE:
1060	CODE:	1405	CODE:
1061	RETVAL = eio_nready ();	1406	RETVAL = eio_nready ();
1062	OUTPUT:	1407	OUTPUT:
1063	RETVAL	1408	RETVAL
1064		1409
1065	int	1410	int
1066	npending()	1411	npending ()
1067	PROTOTYPE:
1068	CODE:	1412	CODE:
1069	RETVAL = eio_npending ();	1413	RETVAL = eio_npending ();
1070	OUTPUT:	1414	OUTPUT:
1071	RETVAL	1415	RETVAL
1072		1416
1073	int	1417	int
1074	nthreads()	1418	nthreads ()
1075	PROTOTYPE:
1076	CODE:	1419	CODE:
1077	RETVAL = eio_nthreads ();	1420	RETVAL = eio_nthreads ();
1078	OUTPUT:	1421	OUTPUT:
1079	RETVAL	1422	RETVAL
1080		1423
		1424	int
		1425	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1426	CODE:
		1427	RETVAL = posix_fadvise (fh, offset, length, advice);
		1428	OUTPUT:
		1429	RETVAL
		1430
		1431	ssize_t
		1432	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1433	CODE:
		1434	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1435	OUTPUT:
		1436	RETVAL
		1437
		1438	void
		1439	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1440	PPCODE:
		1441	sv_unmagic (scalar, MMAP_MAGIC);
		1442	{
		1443	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1444	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1445	if (addr == (void *)-1)
		1446	XSRETURN_NO;
		1447
		1448	sv_force_normal (scalar);
		1449
		1450	/* we store the length in mg_obj, as namlen is I32 :/ */
		1451	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1452	->mg_obj = (SV *)length;
		1453
		1454	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1455
		1456	if (!(prot & PROT_WRITE))
		1457	SvREADONLY_on (scalar);
		1458
		1459	if (SvLEN (scalar))
		1460	Safefree (SvPVX (scalar));
		1461
		1462	SvPVX (scalar) = (char *)addr;
		1463	SvCUR_set (scalar, length);
		1464	SvLEN_set (scalar, 0);
		1465	SvPOK_only (scalar);
		1466
		1467	XSRETURN_YES;
		1468	}
		1469
		1470	void
		1471	munmap (SV *scalar)
		1472	CODE:
		1473	sv_unmagic (scalar, MMAP_MAGIC);
		1474
		1475	int
		1476	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1477	ALIAS:
		1478	mprotect = 1
		1479	CODE:
		1480	{
		1481	STRLEN svlen;
		1482	void *addr = SvPVbyte (scalar, svlen);
		1483	size_t len = SvUV (length);
		1484
		1485	if (offset < 0)
		1486	offset += svlen;
		1487
		1488	if (offset < 0 \|\| offset > svlen)
		1489	croak ("offset outside of scalar");
		1490
		1491	if (!SvOK (length) \|\| len + offset > svlen)
		1492	len = svlen - offset;
		1493
		1494	addr = (void *)(((intptr_t)addr) + offset);
		1495	eio_page_align (&addr, &len);
		1496
		1497	switch (ix)
		1498	{
		1499	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1500	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1501	}
		1502	}
		1503	OUTPUT:
		1504	RETVAL
		1505
		1506	int
		1507	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1508	CODE:
		1509	{
		1510	STRLEN svlen;
		1511	void *addr = SvPVbyte (scalar, svlen);
		1512	size_t len = SvUV (length);
		1513
		1514	if (offset < 0)
		1515	offset += svlen;
		1516
		1517	if (offset < 0 \|\| offset > svlen)
		1518	croak ("offset outside of scalar");
		1519
		1520	if (!SvOK (length) \|\| len + offset > svlen)
		1521	len = svlen - offset;
		1522
		1523	addr = (void *)(((intptr_t)addr) + offset);
		1524	eio_page_align (&addr, &len);
		1525	#if _POSIX_MEMLOCK
		1526	RETVAL = munlock (addr, len);
		1527	#else
		1528	RETVAL = ((errno = ENOSYS), -1);
		1529	#endif
		1530	}
		1531	OUTPUT:
		1532	RETVAL
		1533
		1534	int
		1535	munlockall ()
		1536	CODE:
		1537	#if _POSIX_MEMLOCK
		1538	munlockall ();
		1539	#else
		1540	RETVAL = -1;
		1541	errno = ENOSYS;
		1542	#endif
		1543	OUTPUT:
		1544	RETVAL
		1545
1081	void _on_next_submit (SV *cb)	1546	void _on_next_submit (SV *cb)
1082	CODE:	1547	CODE:
1083	SvREFCNT_dec (on_next_submit);	1548	SvREFCNT_dec (on_next_submit);
1084	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1549	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1085		1550
…		…
1099	if (GIMME_V != G_VOID)	1564	if (GIMME_V != G_VOID)
1100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1565	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1101		1566
1102	if (items > 1)	1567	if (items > 1)
1103	{	1568	{
1104	SV *cb_cv = get_cb (callback);	1569	SV *cb_cv =get_cb (callback);
1105		1570
1106	SvREFCNT_dec (req->callback);	1571	SvREFCNT_dec (req->callback);
1107	req->callback = SvREFCNT_inc (cb_cv);	1572	req->callback = SvREFCNT_inc (cb_cv);
1108	}	1573	}
1109	}	1574	}
…		…
1146	AV *av;	1611	AV *av;
1147		1612
1148	grp->errorno = errno;	1613	grp->errorno = errno;
1149		1614
1150	av = newAV ();	1615	av = newAV ();
		1616	av_extend (av, items - 1);
1151		1617
1152	for (i = 1; i < items; ++i )	1618	for (i = 1; i < items; ++i )
1153	av_push (av, newSVsv (ST (i)));	1619	av_push (av, newSVsv (ST (i)));
1154		1620
1155	SvREFCNT_dec (grp->sv1);	1621	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs. Revision 1.172 by root, Sun Sep 12 03:36:27 2010 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.172 by root, Sun Sep 12 03:36:27 2010 UTC