ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 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
…		…
65	# include <signal.h>	72	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	73	# define EIO_STRUCT_DIRENT struct dirent
67		74
68	#endif	75	#endif
69		76
		77	/* perl stupidly overrides readdir and maybe others */
		78	/* with thread-unsafe versions, imagine that :( */
		79	#undef readdir
		80	#undef opendir
		81	#undef closedir
		82
70	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
71		84
72	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
74	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
75	#else	90	#else
		91	# define VAL64 NV
76	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
77	#endif	94	#endif
78		95
79	static HV *stash;	96	/*****************************************************************************/
		97
		98	#if __GNUC__ >= 3
		99	# define expect(expr,value) __builtin_expect ((expr),(value))
		100	#else
		101	# define expect(expr,value) (expr)
		102	#endif
		103
		104	#define expect_false(expr) expect ((expr) != 0, 0)
		105	#define expect_true(expr) expect ((expr) != 0, 1)
		106
		107	/*****************************************************************************/
		108
80	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 */
81		112
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		114
85	#define EIO_COMMON \	115	#define EIO_REQ_MEMBERS \
86	SV *callback; \	116	SV *callback; \
87	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
88	STRLEN stroffset; \	118	STRLEN stroffset; \
89	SV *self	119	SV *self;
90		120
		121	#define EIO_NO_WRAPPERS 1
		122
		123	#include "libeio/config.h"
91	#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
92		239
93	static int req_invoke (eio_req *req);	240	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	241	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	242	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	243	#define EIO_DESTROY(req) req_destroy (req)
99		244
100	enum {	245	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	246	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
105		250
106	typedef eio_req *aio_req;	251	typedef eio_req *aio_req;
107	typedef eio_req *aio_req_ornot;	252	typedef eio_req *aio_req_ornot;
108		253
109	static SV *on_next_submit;	254	static SV *on_next_submit;
110	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	255	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	256	static int max_outstanding;
112		257
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	258	static s_epipe respipe;
114		259
115	static void req_destroy (aio_req req);	260	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	261	static void req_cancel (aio_req req);
117		262
118	static void want_poll (void)	263	static void want_poll (void)
119	{	264	{
120	/* write a dummy byte to the pipe so fh becomes ready */	265	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	266	s_epipe_signal (&respipe);
122	}	267	}
123		268
124	static void done_poll (void)	269	static void done_poll (void)
125	{	270	{
126	/* read any signals sent by the worker threads */	271	/* read any signals sent by the worker threads */
127	char buf [4];	272	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	273	}
131		274
132	/* must be called at most once */	275	/* must be called at most once */
133	static SV *req_sv (aio_req req, const char *klass)	276	static SV *req_sv (aio_req req, HV *stash)
134	{	277	{
135	if (!req->self)	278	if (!req->self)
136	{	279	{
137	req->self = (SV *)newHV ();	280	req->self = (SV *)newHV ();
138	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139	}	282	}
140		283
141	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142	}	285	}
143		286
144	static aio_req SvAIO_REQ (SV *sv)	287	static aio_req SvAIO_REQ (SV *sv)
145	{	288	{
146	MAGIC *mg;	289	MAGIC *mg;
147		290
148	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")))
149	croak ("object of class " AIO_REQ_KLASS " expected");	295	croak ("object of class IO::AIO::REQ expected");
150		296
151	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152		298
153	return mg ? (aio_req)mg->mg_ptr : 0;	299	return mg ? (aio_req)mg->mg_ptr : 0;
154	}	300	}
…		…
160	dSP;	306	dSP;
161		307
162	ENTER;	308	ENTER;
163	SAVETMPS;	309	SAVETMPS;
164	PUSHMARK (SP);	310	PUSHMARK (SP);
165	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	311	XPUSHs (req_sv (grp, aio_grp_stash));
166	PUTBACK;	312	PUTBACK;
167	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	313	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
168	SPAGAIN;	314	SPAGAIN;
169	FREETMPS;	315	FREETMPS;
170	LEAVE;	316	LEAVE;
…		…
173		319
174	static void req_submit (eio_req *req)	320	static void req_submit (eio_req *req)
175	{	321	{
176	eio_submit (req);	322	eio_submit (req);
177		323
178	if (on_next_submit)	324	if (expect_false (on_next_submit))
179	{	325	{
180	dSP;	326	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	327	SV *cb = sv_2mortal (on_next_submit);
182		328
183	on_next_submit = 0;	329	on_next_submit = 0;
…		…
188	}	334	}
189	}	335	}
190		336
191	static int req_invoke (eio_req *req)	337	static int req_invoke (eio_req *req)
192	{	338	{
193	dSP;
194
195	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
197		341
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	342	if (!EIO_CANCELLED (req) && req->callback)
199	{	343	{
		344	dSP;
		345	static SV *sv_result_cache; /* caches the result integer SV */
		346	SV *sv_result;
		347
200	ENTER;	348	ENTER;
201	SAVETMPS;	349	SAVETMPS;
202	PUSHMARK (SP);	350	PUSHMARK (SP);
203	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	}
204		364
205	switch (req->type)	365	switch (req->type)
206	{	366	{
207	case EIO_READDIR:	367	case EIO_READDIR:
208	{	368	{
209	SV *rv = &PL_sv_undef;	369	SV *rv = &PL_sv_undef;
210		370
211	if (req->result >= 0)	371	if (req->result >= 0)
212	{	372	{
213	int i;	373	int i;
214	char *buf = req->ptr2;	374	char *names = (char *)req->ptr2;
		375	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
215	AV *av = newAV ();	376	AV *av = newAV ();
216		377
217	av_extend (av, req->result - 1);	378	av_extend (av, req->result - 1);
218		379
219	for (i = 0; i < req->result; ++i)	380	for (i = 0; i < req->result; ++i)
220	{	381	{
221	SV *sv = newSVpv (buf, 0);	382	if (req->int1 & EIO_READDIR_DENTS)
		383	{
		384	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		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
223	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);
224	buf += SvCUR (sv) + 1;	414	names += SvCUR (name) + 1;
		415	}
225	}	416	}
226		417
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	418	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	419	}
229		420
230	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))));
231	}	425	}
232	break;	426	break;
233		427
234	case EIO_OPEN:	428	case EIO_OPEN:
235	{	429	{
…		…
241	GV *gv = (GV *)sv_newmortal ();	435	GV *gv = (GV *)sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	436	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
243	char sym [64];	437	char sym [64];
244	int symlen;	438	int symlen;
245		439
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	440	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	441	gv_init (gv, aio_stash, sym, symlen, 0);
248		442
249	symlen = snprintf (	443	symlen = snprintf (
250	sym,	444	sym,
251	sizeof (sym),	445	sizeof (sym),
252	"%s&=%d",	446	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	447	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	448	(int)req->result
255	);	449	);
256		450
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	451	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	452	fh = (SV *)gv;
259	}	453	}
260		454
261	PUSHs (fh);	455	PUSHs (fh);
262	}	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
263	break;	487	break;
264		488
265	case EIO_GROUP:	489	case EIO_GROUP:
266	req->int1 = 2; /* mark group as finished */	490	req->int1 = 2; /* mark group as finished */
267		491
…		…
280	case EIO_BUSY:	504	case EIO_BUSY:
281	break;	505	break;
282		506
283	case EIO_READLINK:	507	case EIO_READLINK:
284	if (req->result > 0)	508	if (req->result > 0)
285	{	509	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286	SvCUR_set (req->sv2, req->result);
287	*SvEND (req->sv2) = 0;
288	PUSHs (req->sv2);
289	}
290	break;	510	break;
291		511
292	case EIO_STAT:	512	case EIO_STAT:
293	case EIO_LSTAT:	513	case EIO_LSTAT:
294	case EIO_FSTAT:	514	case EIO_FSTAT:
295	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	515	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
296	PL_laststatval = req->result;	516	PL_laststatval = req->result;
297	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	517	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
298	PUSHs (sv_2mortal (newSViv (req->result)));	518	PUSHs (sv_result);
299	break;	519	break;
300		520
301	case EIO_READ:	521	case EIO_READ:
		522	{
302	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));
303	*SvEND (req->sv2) = 0;	524	*SvEND (req->sv2) = 0;
304	PUSHs (sv_2mortal (newSViv (req->result)));	525	SvPOK_only (req->sv2);
		526	SvSETMAGIC (req->sv2);
		527	PUSHs (sv_result);
		528	}
305	break;	529	break;
306		530
307	case EIO_DUP2:	531	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
308	if (req->result > 0)	532	if (req->result > 0)
309	req->result = 0;	533	SvIV_set (sv_result, 0);
310	/* FALLTHROUGH */	534	/* FALLTHROUGH */
311		535
312	default:	536	default:
313	PUSHs (sv_2mortal (newSViv (req->result)));	537	PUSHs (sv_result);
314	break;	538	break;
315	}	539	}
316		540
317	errno = req->errorno;	541	errno = req->errorno;
318		542
319	PUTBACK;	543	PUTBACK;
320	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	544	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
321	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;
322		551
323	FREETMPS;	552	FREETMPS;
324	LEAVE;	553	LEAVE;
325		554
326	PUTBACK;	555	PUTBACK;
…		…
355	grp->sv2 = 0;	584	grp->sv2 = 0;
356		585
357	eio_grp_cancel (grp);	586	eio_grp_cancel (grp);
358	}	587	}
359		588
360	#ifdef USE_SOCKETS_AS_HANDLES
361	# define TO_SOCKET(x) (win32_get_osfhandle (x))
362	#else
363	# define TO_SOCKET(x) (x)
364	#endif
365
366	static void	589	static void
367	create_respipe (void)	590	create_respipe (void)
368	{	591	{
369	int old_readfd = respipe [0];
370
371	if (respipe [1] >= 0)
372	respipe_close (TO_SOCKET (respipe [1]));
373
374	#ifdef _WIN32
375	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376	#else
377	if (pipe (respipe))	592	if (s_epipe_renew (&respipe))
378	#endif
379	croak ("unable to initialize result pipe");	593	croak ("IO::AIO: unable to initialize result pipe");
380
381	if (old_readfd >= 0)
382	{
383	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384	croak ("unable to initialize result pipe(2)");
385
386	respipe_close (respipe [0]);
387	respipe [0] = old_readfd;
388	}
389
390	#ifdef _WIN32
391	int arg = 1;
392	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394	#else
395	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397	#endif
398	croak ("unable to initialize result pipe(3)");
399
400	respipe_osf [0] = TO_SOCKET (respipe [0]);
401	respipe_osf [1] = TO_SOCKET (respipe [1]);
402	}	594	}
403		595
404	static void poll_wait (void)	596	static void poll_wait (void)
405	{	597	{
406	fd_set rfd;
407
408	while (eio_nreqs ())	598	while (eio_nreqs ())
409	{	599	{
410	int size;	600	int size;
411		601
412	X_LOCK (reslock);	602	X_LOCK (reslock);
…		…
414	X_UNLOCK (reslock);	604	X_UNLOCK (reslock);
415		605
416	if (size)	606	if (size)
417	return;	607	return;
418		608
419	maybe_start_thread ();	609	etp_maybe_start_thread ();
420		610
421	FD_ZERO (&rfd);	611	s_epipe_wait (&respipe);
422	FD_SET (respipe [0], &rfd);
423
424	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425	}	612	}
426	}	613	}
427		614
428	static int poll_cb (void)	615	static int poll_cb (void)
429	{	616	{
430	int res;	617	for (;;)
431
432	do
433	{	618	{
434	res = eio_poll ();	619	int res = eio_poll ();
435		620
436	if (res > 0)	621	if (res > 0)
437	croak (0);	622	croak (0);
		623
		624	if (!max_outstanding || max_outstanding > eio_nreqs ())
		625	return res;
		626
		627	poll_wait ();
438	}	628	}
439	while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441	return res;
442	}	629	}
443		630
444	static void atfork_child (void)	631	static void atfork_child (void)
445	{	632	{
446	create_respipe ();	633	create_respipe ();
447	}	634	}
448		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
		678	static SV *
		679	get_cb (SV *cb_sv)
		680	{
		681	SvGETMAGIC (cb_sv);
		682	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		683	}
		684
449	#define dREQ \	685	#define dREQ \
		686	SV *cb_cv; \
450	aio_req req; \	687	aio_req req; \
451	int req_pri = next_pri; \	688	int req_pri = next_pri; \
452	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	689	next_pri = EIO_PRI_DEFAULT; \
453	\	690	\
454	if (SvOK (callback) && !SvROK (callback)) \	691	cb_cv = get_cb (callback); \
455	croak ("callback must be undef or of reference type"); \
456	\	692	\
457	Newz (0, req, 1, eio_req); \	693	Newz (0, req, 1, eio_req); \
458	if (!req) \	694	if (!req) \
459	croak ("out of memory during eio_req allocation"); \	695	croak ("out of memory during eio_req allocation"); \
460	\	696	\
461	req->callback = newSVsv (callback); \	697	req->callback = SvREFCNT_inc (cb_cv); \
462	req->pri = req_pri	698	req->pri = req_pri
463		699
464	#define REQ_SEND \	700	#define REQ_SEND \
		701	PUTBACK; \
465	req_submit (req); \	702	req_submit (req); \
		703	SPAGAIN; \
466	\	704	\
467	if (GIMME_V != G_VOID) \	705	if (GIMME_V != G_VOID) \
468	XPUSHs (req_sv (req, AIO_REQ_KLASS));	706	XPUSHs (req_sv (req, aio_req_stash));
469		707
470	MODULE = IO::AIO PACKAGE = IO::AIO	708	MODULE = IO::AIO PACKAGE = IO::AIO
471		709
472	PROTOTYPES: ENABLE	710	PROTOTYPES: ENABLE
473		711
474	BOOT:	712	BOOT:
475	{	713	{
476	stash = gv_stashpv ("IO::AIO", 1);	714	static const struct {
477		715	const char *name;
478	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	716	IV iv;
479	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	717	} *civ, const_iv[] = {
480	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	718	# define const_niv(name, value) { # name, (IV) value },
481	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	719	# define const_iv(name) { # name, (IV) name },
482	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)
483	#ifdef _WIN32	730	#ifndef _WIN32
484	X_MUTEX_CHECK (wrklock);	731	const_iv (S_IFIFO)
485	X_MUTEX_CHECK (reslock);
486	X_MUTEX_CHECK (reqlock);
487	X_MUTEX_CHECK (reqwait);
488	X_MUTEX_CHECK (preadwritelock);
489	X_MUTEX_CHECK (readdirlock);
490
491	X_COND_CHECK (reqwait);
492	#else
493	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
494	#endif	732	#endif
		733	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		734	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		735	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		736	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		737	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		738	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
495		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
496	create_respipe ();	814	create_respipe ();
497		815
498	if (eio_init (want_poll, done_poll) < 0)	816	if (eio_init (want_poll, done_poll) < 0)
499	croak ("IO::AIO: unable to initialise eio library");	817	croak ("IO::AIO: unable to initialise eio library");
500		818
501	/* atfork child called in fifo order, so before eio's handler */	819	/* atfork child called in fifo order, so before eio's handler */
502	X_THREAD_ATFORK (0, 0, atfork_child);	820	X_THREAD_ATFORK (0, 0, atfork_child);
503	}	821	}
504		822
505	void	823	void
506	max_poll_reqs (int nreqs)	824	max_poll_reqs (int nreqs)
507	PROTOTYPE: $	825	PROTOTYPE: $
…		…
538	CODE:	856	CODE:
539	max_outstanding = maxreqs;	857	max_outstanding = maxreqs;
540		858
541	void	859	void
542	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)
543	PROTOTYPE: $$$;$
544	PPCODE:	861	PPCODE:
545	{	862	{
546	dREQ;	863	dREQ;
547		864
548	req->type = EIO_OPEN;	865	req->type = EIO_OPEN;
…		…
554	REQ_SEND;	871	REQ_SEND;
555	}	872	}
556		873
557	void	874	void
558	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	875	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
559	PROTOTYPE: $;$
560	ALIAS:	876	ALIAS:
561	aio_fsync = EIO_FSYNC	877	aio_fsync = EIO_FSYNC
562	aio_fdatasync = EIO_FDATASYNC	878	aio_fdatasync = EIO_FDATASYNC
563	PPCODE:	879	PPCODE:
564	{	880	{
		881	int fd = s_fileno_croak (fh, 0);
565	dREQ;	882	dREQ;
566		883
567	req->type = ix;	884	req->type = ix;
568	req->sv1 = newSVsv (fh);	885	req->sv1 = newSVsv (fh);
569	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	886	req->int1 = fd;
570		887
571	REQ_SEND (req);	888	REQ_SEND (req);
572	}	889	}
573		890
574	void	891	void
		892	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		893	PPCODE:
		894	{
		895	int fd = s_fileno_croak (fh, 0);
		896	dREQ;
		897
		898	req->type = EIO_SYNC_FILE_RANGE;
		899	req->sv1 = newSVsv (fh);
		900	req->int1 = fd;
		901	req->offs = offset;
		902	req->size = nbytes;
		903	req->int2 = flags;
		904
		905	REQ_SEND (req);
		906	}
		907
		908	void
575	aio_close (SV *fh, SV *callback=&PL_sv_undef)	909	aio_close (SV *fh, SV *callback=&PL_sv_undef)
576	PROTOTYPE: $;$
577	PPCODE:	910	PPCODE:
578	{	911	{
579	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 */
		913	int fd = s_fileno_croak (fh, 0);
580	dREQ;	914	dREQ;
581		915
582	if (close_pipe < 0)	916	if (close_pipe < 0)
583	{	917	{
584	int pipefd [2];	918	int pipefd [2];
…		…
592	}	926	}
593		927
594	req->type = EIO_DUP2;	928	req->type = EIO_DUP2;
595	req->int1 = close_pipe;	929	req->int1 = close_pipe;
596	req->sv2 = newSVsv (fh);	930	req->sv2 = newSVsv (fh);
597	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	931	req->int2 = fd;
598		932
599	REQ_SEND (req);	933	REQ_SEND (req);
600	}	934	}
601		935
602	void	936	void
603	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)
604	ALIAS:	938	ALIAS:
605	aio_read = EIO_READ	939	aio_read = EIO_READ
606	aio_write = EIO_WRITE	940	aio_write = EIO_WRITE
607	PROTOTYPE: $$$$$;$
608	PPCODE:	941	PPCODE:
609	{	942	{
610	STRLEN svlen;	943	STRLEN svlen;
		944	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611	char *svptr = SvPVbyte (data, svlen);	945	char *svptr = SvPVbyte (data, svlen);
612	UV len = SvUV (length);	946	UV len = SvUV (length);
613
614	SvUPGRADE (data, SVt_PV);
615	SvPOK_on (data);
616		947
617	if (dataoffset < 0)	948	if (dataoffset < 0)
618	dataoffset += svlen;	949	dataoffset += svlen;
619		950
620	if (dataoffset < 0 || dataoffset > svlen)	951	if (dataoffset < 0 || dataoffset > svlen)
…		…
626	if (!SvOK (length) || len + dataoffset > svlen)	957	if (!SvOK (length) || len + dataoffset > svlen)
627	len = svlen - dataoffset;	958	len = svlen - dataoffset;
628	}	959	}
629	else	960	else
630	{	961	{
631	/* read: grow scalar as necessary */	962	/* read: check type and grow scalar as necessary */
		963	SvUPGRADE (data, SVt_PV);
632	svptr = SvGROW (data, len + dataoffset + 1);	964	svptr = SvGROW (data, len + dataoffset + 1);
633	}	965	}
634		966
635	if (len < 0)
636	croak ("length must not be negative");
637
638	{	967	{
639	dREQ;	968	dREQ;
640		969
641	req->type = ix;	970	req->type = ix;
642	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
643	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	972	req->int1 = fd;
644	: IoOFP (sv_2io (fh)));
645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	973	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646	req->size = len;	974	req->size = len;
647	req->sv2 = SvREFCNT_inc (data);	975	req->sv2 = SvREFCNT_inc (data);
648	req->ptr2 = (char *)svptr + dataoffset;	976	req->ptr2 = (char *)svptr + dataoffset;
649	req->stroffset = dataoffset;	977	req->stroffset = dataoffset;
…		…
658	}	986	}
659	}	987	}
660		988
661	void	989	void
662	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	990	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$;$
664	PPCODE:	991	PPCODE:
665	{	992	{
666	SV *data;	993	SV *data;
667	dREQ;	994	dREQ;
668
669	data = newSV (NAME_MAX);
670	SvPOK_on (data);
671		995
672	req->type = EIO_READLINK;	996	req->type = EIO_READLINK;
673	req->sv1 = newSVsv (path);	997	req->sv1 = newSVsv (path);
674	req->ptr1 = SvPVbyte_nolen (req->sv1);	998	req->ptr1 = SvPVbyte_nolen (req->sv1);
675	req->sv2 = data;
676	req->ptr2 = SvPVbyte_nolen (data);
677		999
678	REQ_SEND;	1000	REQ_SEND;
679	}	1001	}
680		1002
681	void	1003	void
682	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)
683	PROTOTYPE: $$$$;$
684	PPCODE:	1005	PPCODE:
685	{	1006	{
		1007	int ifd = s_fileno_croak (in_fh , 0);
		1008	int ofd = s_fileno_croak (out_fh, 1);
686	dREQ;	1009	dREQ;
687		1010
688	req->type = EIO_SENDFILE;	1011	req->type = EIO_SENDFILE;
689	req->sv1 = newSVsv (out_fh);	1012	req->sv1 = newSVsv (out_fh);
690	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1013	req->int1 = ofd;
691	req->sv2 = newSVsv (in_fh);	1014	req->sv2 = newSVsv (in_fh);
692	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1015	req->int2 = ifd;
693	req->offs = SvVAL64 (in_offset);	1016	req->offs = in_offset;
694	req->size = length;	1017	req->size = length;
695		1018
696	REQ_SEND;	1019	REQ_SEND;
697	}	1020	}
698		1021
699	void	1022	void
700	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1023	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
701	PROTOTYPE: $$$;$
702	PPCODE:	1024	PPCODE:
703	{	1025	{
		1026	int fd = s_fileno_croak (fh, 0);
704	dREQ;	1027	dREQ;
705		1028
706	req->type = EIO_READAHEAD;	1029	req->type = EIO_READAHEAD;
707	req->sv1 = newSVsv (fh);	1030	req->sv1 = newSVsv (fh);
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1031	req->int1 = fd;
709	req->offs = SvVAL64 (offset);	1032	req->offs = offset;
710	req->size = length;	1033	req->size = length;
711		1034
712	REQ_SEND;	1035	REQ_SEND;
713	}	1036	}
714		1037
715	void	1038	void
716	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1039	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
717	ALIAS:	1040	ALIAS:
718	aio_stat = EIO_STAT	1041	aio_stat = EIO_STAT
719	aio_lstat = EIO_LSTAT	1042	aio_lstat = EIO_LSTAT
		1043	aio_statvfs = EIO_STATVFS
720	PPCODE:	1044	PPCODE:
721	{	1045	{
722	dREQ;	1046	dREQ;
723		1047
724	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
725	if (!req->ptr2)
726	{
727	req_destroy (req);
728	croak ("out of memory during aio_stat statdata allocation");
729	}
730
731	req->flags |= EIO_FLAG_PTR2_FREE;
732	req->sv1 = newSVsv (fh_or_path);	1048	req->sv1 = newSVsv (fh_or_path);
733		1049
734	if (SvPOK (fh_or_path))	1050	if (SvPOK (req->sv1))
735	{	1051	{
736	req->type = ix;	1052	req->type = ix;
737	req->ptr1 = SvPVbyte_nolen (req->sv1);	1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
738	}	1054	}
739	else	1055	else
740	{	1056	{
741	req->type = EIO_FSTAT;	1057	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
742	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1058	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743	}	1059	}
744		1060
745	REQ_SEND;	1061	REQ_SEND;
746	}	1062	}
…		…
753		1069
754	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1070	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1071	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756	req->sv1 = newSVsv (fh_or_path);	1072	req->sv1 = newSVsv (fh_or_path);
757		1073
758	if (SvPOK (fh_or_path))	1074	if (SvPOK (req->sv1))
759	{	1075	{
760	req->type = EIO_UTIME;	1076	req->type = EIO_UTIME;
761	req->ptr1 = SvPVbyte_nolen (req->sv1);	1077	req->ptr1 = SvPVbyte_nolen (req->sv1);
762	}	1078	}
763	else	1079	else
…		…
776	dREQ;	1092	dREQ;
777		1093
778	req->sv1 = newSVsv (fh_or_path);	1094	req->sv1 = newSVsv (fh_or_path);
779	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1095	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780		1096
781	if (SvPOK (fh_or_path))	1097	if (SvPOK (req->sv1))
782	{	1098	{
783	req->type = EIO_TRUNCATE;	1099	req->type = EIO_TRUNCATE;
784	req->ptr1 = SvPVbyte_nolen (req->sv1);	1100	req->ptr1 = SvPVbyte_nolen (req->sv1);
785	}	1101	}
786	else	1102	else
…		…
794		1110
795	void	1111	void
796	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1112	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
797	ALIAS:	1113	ALIAS:
798	aio_chmod = EIO_CHMOD	1114	aio_chmod = EIO_CHMOD
799	aio_fchmod = EIO_FCHMOD
800	aio_mkdir = EIO_MKDIR	1115	aio_mkdir = EIO_MKDIR
801	PPCODE:	1116	PPCODE:
802	{	1117	{
803	dREQ;	1118	dREQ;
804		1119
805	req->type = ix;
806	req->int2 = mode;	1120	req->int2 = mode;
807	req->sv1 = newSVsv (fh_or_path);	1121	req->sv1 = newSVsv (fh_or_path);
808		1122
809	if (ix == EIO_FCHMOD)	1123	if (SvPOK (req->sv1))
810	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1124	{
		1125	req->type = ix;
		1126	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1127	}
811	else	1128	else
812	req->ptr1 = SvPVbyte_nolen (req->sv1);	1129	{
		1130	req->type = EIO_FCHMOD;
		1131	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1132	}
813		1133
814	REQ_SEND;	1134	REQ_SEND;
815	}	1135	}
816		1136
817	void	1137	void
…		…
822		1142
823	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1143	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1144	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825	req->sv1 = newSVsv (fh_or_path);	1145	req->sv1 = newSVsv (fh_or_path);
826		1146
827	if (SvPOK (fh_or_path))	1147	if (SvPOK (req->sv1))
828	{	1148	{
829	req->type = EIO_CHOWN;	1149	req->type = EIO_CHOWN;
830	req->ptr1 = SvPVbyte_nolen (req->sv1);	1150	req->ptr1 = SvPVbyte_nolen (req->sv1);
831	}	1151	}
832	else	1152	else
…		…
837		1157
838	REQ_SEND;	1158	REQ_SEND;
839	}	1159	}
840		1160
841	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
842	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1179	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
843	ALIAS:	1180	ALIAS:
844	aio_unlink = EIO_UNLINK	1181	aio_unlink = EIO_UNLINK
845	aio_rmdir = EIO_RMDIR	1182	aio_rmdir = EIO_RMDIR
846	aio_readdir = EIO_READDIR	1183	aio_readdir = EIO_READDIR
…		…
888		1225
889	REQ_SEND;	1226	REQ_SEND;
890	}	1227	}
891		1228
892	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
893	aio_busy (double delay, SV *callback=&PL_sv_undef)	1304	aio_busy (double delay, SV *callback=&PL_sv_undef)
894	PPCODE:	1305	PPCODE:
895	{	1306	{
896	dREQ;	1307	dREQ;
897		1308
…		…
901	REQ_SEND;	1312	REQ_SEND;
902	}	1313	}
903		1314
904	void	1315	void
905	aio_group (SV *callback=&PL_sv_undef)	1316	aio_group (SV *callback=&PL_sv_undef)
906	PROTOTYPE: ;$
907	PPCODE:	1317	PPCODE:
908	{	1318	{
909	dREQ;	1319	dREQ;
910		1320
911	req->type = EIO_GROUP;	1321	req->type = EIO_GROUP;
912		1322
913	eio_submit (req);	1323	req_submit (req);
914	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1324	XPUSHs (req_sv (req, aio_grp_stash));
915	}	1325	}
916		1326
917	void	1327	void
918	aio_nop (SV *callback=&PL_sv_undef)	1328	aio_nop (SV *callback=&PL_sv_undef)
919	ALIAS:	1329	ALIAS:
…		…
928	REQ_SEND;	1338	REQ_SEND;
929	}	1339	}
930		1340
931	int	1341	int
932	aioreq_pri (int pri = 0)	1342	aioreq_pri (int pri = 0)
933	PROTOTYPE: ;$
934	CODE:	1343	CODE:
935	RETVAL = next_pri - EIO_PRI_BIAS;	1344	RETVAL = next_pri;
936	if (items > 0)	1345	if (items > 0)
937	{	1346	{
938	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1347	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1348	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940	next_pri = pri + EIO_PRI_BIAS;	1349	next_pri = pri;
941	}	1350	}
942	OUTPUT:	1351	OUTPUT:
943	RETVAL	1352	RETVAL
944		1353
945	void	1354	void
946	aioreq_nice (int nice = 0)	1355	aioreq_nice (int nice = 0)
947	CODE:	1356	CODE:
948	nice = next_pri - nice;	1357	nice = next_pri - nice;
949	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1358	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1359	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951	next_pri = nice + EIO_PRI_BIAS;	1360	next_pri = nice;
952		1361
953	void	1362	void
954	flush ()	1363	flush ()
955	PROTOTYPE:
956	CODE:	1364	CODE:
957	while (eio_nreqs ())	1365	while (eio_nreqs ())
958	{	1366	{
959	poll_wait ();	1367	poll_wait ();
960	poll_cb ();	1368	poll_cb ();
961	}	1369	}
962		1370
963	int	1371	int
964	poll()	1372	poll ()
965	PROTOTYPE:
966	CODE:	1373	CODE:
967	poll_wait ();	1374	poll_wait ();
968	RETVAL = poll_cb ();	1375	RETVAL = poll_cb ();
969	OUTPUT:	1376	OUTPUT:
970	RETVAL	1377	RETVAL
971		1378
972	int	1379	int
973	poll_fileno()	1380	poll_fileno ()
974	PROTOTYPE:
975	CODE:	1381	CODE:
976	RETVAL = respipe [0];	1382	RETVAL = s_epipe_fd (&respipe);
977	OUTPUT:	1383	OUTPUT:
978	RETVAL	1384	RETVAL
979		1385
980	int	1386	int
981	poll_cb(...)	1387	poll_cb (...)
982	PROTOTYPE:	1388	PROTOTYPE:
983	CODE:	1389	CODE:
984	RETVAL = poll_cb ();	1390	RETVAL = poll_cb ();
985	OUTPUT:	1391	OUTPUT:
986	RETVAL	1392	RETVAL
987		1393
988	void	1394	void
989	poll_wait()	1395	poll_wait ()
990	PROTOTYPE:
991	CODE:	1396	CODE:
992	poll_wait ();	1397	poll_wait ();
993		1398
994	int	1399	int
995	nreqs()	1400	nreqs ()
996	PROTOTYPE:
997	CODE:	1401	CODE:
998	RETVAL = eio_nreqs ();	1402	RETVAL = eio_nreqs ();
999	OUTPUT:	1403	OUTPUT:
1000	RETVAL	1404	RETVAL
1001		1405
1002	int	1406	int
1003	nready()	1407	nready ()
1004	PROTOTYPE:
1005	CODE:	1408	CODE:
1006	RETVAL = eio_nready ();	1409	RETVAL = eio_nready ();
1007	OUTPUT:	1410	OUTPUT:
1008	RETVAL	1411	RETVAL
1009		1412
1010	int	1413	int
1011	npending()	1414	npending ()
1012	PROTOTYPE:
1013	CODE:	1415	CODE:
1014	RETVAL = eio_npending ();	1416	RETVAL = eio_npending ();
1015	OUTPUT:	1417	OUTPUT:
1016	RETVAL	1418	RETVAL
1017		1419
1018	int	1420	int
1019	nthreads()	1421	nthreads ()
1020	PROTOTYPE:
1021	CODE:	1422	CODE:
1022	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1423	RETVAL = eio_nthreads ();
1023	RETVAL = started;
1024	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025	OUTPUT:	1424	OUTPUT:
1026	RETVAL	1425	RETVAL
		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
1027		1548
1028	void _on_next_submit (SV *cb)	1549	void _on_next_submit (SV *cb)
1029	CODE:	1550	CODE:
1030	SvREFCNT_dec (on_next_submit);	1551	SvREFCNT_dec (on_next_submit);
1031	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1552	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1039	CODE:	1560	CODE:
1040	eio_cancel (req);	1561	eio_cancel (req);
1041		1562
1042	void	1563	void
1043	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1564	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1044	CODE:	1565	PPCODE:
		1566	{
		1567	if (GIMME_V != G_VOID)
		1568	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1569
		1570	if (items > 1)
		1571	{
		1572	SV *cb_cv =get_cb (callback);
		1573
1045	SvREFCNT_dec (req->callback);	1574	SvREFCNT_dec (req->callback);
1046	req->callback = newSVsv (callback);	1575	req->callback = SvREFCNT_inc (cb_cv);
		1576	}
		1577	}
1047		1578
1048	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1579	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049		1580
1050	void	1581	void
1051	add (aio_req grp, ...)	1582	add (aio_req grp, ...)
…		…
1083	AV *av;	1614	AV *av;
1084		1615
1085	grp->errorno = errno;	1616	grp->errorno = errno;
1086		1617
1087	av = newAV ();	1618	av = newAV ();
		1619	av_extend (av, items - 1);
1088		1620
1089	for (i = 1; i < items; ++i )	1621	for (i = 1; i < items; ++i )
1090	av_push (av, newSVsv (ST (i)));	1622	av_push (av, newSVsv (ST (i)));
1091		1623
1092	SvREFCNT_dec (grp->sv1);	1624	SvREFCNT_dec (grp->sv1);
…		…
1106	void	1638	void
1107	feed (aio_req grp, SV *callback=&PL_sv_undef)	1639	feed (aio_req grp, SV *callback=&PL_sv_undef)
1108	CODE:	1640	CODE:
1109	{	1641	{
1110	SvREFCNT_dec (grp->sv2);	1642	SvREFCNT_dec (grp->sv2);
1111	grp->sv2 = newSVsv (callback);	1643	grp->sv2 = newSVsv (callback);
		1644	grp->feed = aio_grp_feed;
1112		1645
1113	if (grp->int2 <= 0)	1646	if (grp->int2 <= 0)
1114	grp->int2 = 2;	1647	grp->int2 = 2;
1115		1648
1116	eio_grp_limit (grp, grp->int2);	1649	eio_grp_limit (grp, grp->int2);

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines