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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.115 by root, Sat May 10 18:06:41 2008 UTC vs.
Revision 1.201 by root, Thu Sep 29 09:57:12 2011 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
		24	/* perl namespace pollution */
		25	#undef VERSION
		26
		27	/* perl stupidly overrides readdir and maybe others */
		28	/* with thread-unsafe versions, imagine that :( */
		29	#undef readdir
		30	#undef opendir
		31	#undef closedir
		32
18	#ifdef _WIN32	33	#ifdef _WIN32
19		34
20	# define EIO_STRUCT_DIRENT Direntry_t
21	# undef malloc
22	# undef free
23
24	// perl overrides all those nice win32 functions	35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
25	# undef open	39	#undef open
26	# undef read	40	#undef read
27	# undef write	41	#undef write
28	# undef send	42	#undef send
29	# undef recv	43	#undef recv
30	# undef stat	44	#undef stat
		45	#undef lstat
31	# undef fstat	46	#undef fstat
32	# define lstat stat
33	# undef truncate	47	#undef truncate
34	# undef ftruncate	48	#undef ftruncate
35	# undef open	49	#undef open
		50	#undef link
36	# undef close	51	#undef close
37	# undef unlink	52	#undef unlink
		53	#undef mkdir
38	# undef rmdir	54	#undef rmdir
39	# undef rename	55	#undef rename
40	# undef lseek	56	#undef lseek
41		57	#undef opendir
42	# define chown(a,b,c) (errno = ENOSYS, -1)	58	#undef readdir
43	# define fchown(a,b,c) (errno = ENOSYS, -1)	59	#undef closedir
44	# define fchmod(a,b) (errno = ENOSYS, -1)	60	#undef chmod
45	# define symlink(a,b) (errno = ENOSYS, -1)	61	#undef fchmod
46	# define readlink(a,b,c) (errno = ENOSYS, -1)	62	#undef dup
47	# define mknod(a,b,c) (errno = ENOSYS, -1)	63	#undef dup2
48	# define truncate(a,b) (errno = ENOSYS, -1)	64	#undef abort
49	# define ftruncate(fd,o) chsize ((fd), (o))	65	#undef pipe
50	# define fsync(fd) _commit (fd)
51	# define opendir(fd) (errno = ENOSYS, 0)
52	# define readdir(fd) (errno = ENOSYS, -1)
53	# define closedir(fd) (errno = ENOSYS, -1)
54	# define mkdir(a,b) mkdir (a)
55		66
56	#else	67	#else
57		68
58	# include <sys/time.h>	69	#include <sys/time.h>
59	# include <sys/select.h>	70	#include <sys/select.h>
60	# include <unistd.h>	71	#include <unistd.h>
61	# include <utime.h>	72	#include <utime.h>
62	# include <signal.h>	73	#include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent
64		74
65	#endif	75	#endif
66		76
67	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
68		78
69	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	80	#if IVSIZE >= 8
		81	# define VAL64 IV
71	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
72	#else	84	#else
		85	# define VAL64 NV
73	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
74	#endif	88	#endif
75		89
76	static HV *stash;	90	/*****************************************************************************/
		91
		92	#if __GNUC__ >= 3
		93	# define expect(expr,value) __builtin_expect ((expr),(value))
		94	#else
		95	# define expect(expr,value) (expr)
		96	#endif
		97
		98	#define expect_false(expr) expect ((expr) != 0, 0)
		99	#define expect_true(expr) expect ((expr) != 0, 1)
		100
		101	/*****************************************************************************/
		102
77	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
		104	typedef int aio_rfd; /* read file desriptor */
		105	typedef int aio_wfd; /* write file descriptor */
78		106
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
80	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		108
82	#define EIO_COMMON \	109	#define EIO_REQ_MEMBERS \
83	SV *callback; \	110	SV *callback; \
84	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
85	STRLEN stroffset; \	113	STRLEN stroffset; \
86	SV *self	114	SV *self;
87		115
		116	#define EIO_NO_WRAPPERS 1
		117
		118	#include "libeio/config.h"
88	#include "libeio/eio.h"	119	#include "libeio/eio.h"
89		120
90	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
92	static void aio_grp_feed (eio_req *grp);
93	#define EIO_FEED(req) aio_grp_feed (req)
94	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
		173
		174	#ifndef POSIX_FADV_NORMAL
		175	# define POSIX_FADV_NORMAL 0
		176	#endif
		177	#ifndef POSIX_FADV_SEQUENTIAL
		178	# define POSIX_FADV_SEQUENTIAL 0
		179	#endif
		180	#ifndef POSIX_FADV_RANDOM
		181	# define POSIX_FADV_RANDOM 0
		182	#endif
		183	#ifndef POSIX_FADV_NOREUSE
		184	# define POSIX_FADV_NOREUSE 0
		185	#endif
		186	#ifndef POSIX_FADV_WILLNEED
		187	# define POSIX_FADV_WILLNEED 0
		188	#endif
		189	#ifndef POSIX_FADV_DONTNEED
		190	# define POSIX_FADV_DONTNEED 0
		191	#endif
		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
		236	#ifndef ST_NODEV
		237	# define ST_NODEV 0
		238	#endif
		239	#ifndef ST_NOEXEC
		240	# define ST_NOEXEC 0
		241	#endif
		242	#ifndef ST_SYNCHRONOUS
		243	# define ST_SYNCHRONOUS 0
		244	#endif
		245	#ifndef ST_MANDLOCK
		246	# define ST_MANDLOCK 0
		247	#endif
		248	#ifndef ST_WRITE
		249	# define ST_WRITE 0
		250	#endif
		251	#ifndef ST_APPEND
		252	# define ST_APPEND 0
		253	#endif
		254	#ifndef ST_IMMUTABLE
		255	# define ST_IMMUTABLE 0
		256	#endif
		257	#ifndef ST_NOATIME
		258	# define ST_NOATIME 0
		259	#endif
		260	#ifndef ST_NODIRATIME
		261	# define ST_NODIRATIME 0
		262	#endif
		263	#ifndef ST_RELATIME
		264	# define ST_RELATIME 0
		265	#endif
		266
		267	#ifndef S_IFIFO
		268	# define S_IFIFO 0
		269	#endif
		270	#ifndef S_IFCHR
		271	# define S_IFCHR 0
		272	#endif
		273	#ifndef S_IFBLK
		274	# define S_IFBLK 0
		275	#endif
		276	#ifndef S_IFLNK
		277	# define S_IFLNK 0
		278	#endif
		279	#ifndef S_IFREG
		280	# define S_IFREG 0
		281	#endif
		282	#ifndef S_IFDIR
		283	# define S_IFDIR 0
		284	#endif
		285	#ifndef S_IFWHT
		286	# define S_IFWHT 0
		287	#endif
		288	#ifndef S_IFSOCK
		289	# define S_IFSOCK 0
		290	#endif
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#endif
		299	#ifndef MAP_HUGETLB
		300	# define MAP_HUGETLB 0
		301	#endif
		302	#ifndef MAP_LOCKED
		303	# define MAP_LOCKED 0
		304	#endif
		305	#ifndef MAP_NORESERVE
		306	# define MAP_NORESERVE 0
		307	#endif
		308	#ifndef MAP_POPULATE
		309	# define MAP_POPULATE 0
		310	#endif
		311	#ifndef MAP_NONBLOCK
		312	# define MAP_NONBLOCK 0
		313	#endif
		314
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) | (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
96		328
97	enum {	329	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
99	};	331	};
100		332
101	#include "libeio/eio.c"
102
103	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
105		336
106	static unsigned int max_outstanding = 0x7fffffff;	337	static SV *on_next_submit;
		338	static int next_pri = EIO_PRI_DEFAULT;
		339	static int max_outstanding;
107		340
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	341	static s_epipe respipe;
109
110	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		342
112	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
114		345
115	static void want_poll (void)	346	static void
		347	want_poll (void)
116	{	348	{
117	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	350	s_epipe_signal (&respipe);
119	}	351	}
120		352
121	static void done_poll (void)	353	static void
		354	done_poll (void)
122	{	355	{
123	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
124	char buf [4];	357	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	358	}
128		359
129	/* must be called at most once */	360	/* must be called at most once */
130	static SV *req_sv (aio_req req, const char *klass)	361	static SV *
		362	req_sv (aio_req req, HV *stash)
131	{	363	{
132	if (!req->self)	364	if (!req->self)
133	{	365	{
134	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	368	}
137		369
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139	}	371	}
140		372
141	static aio_req SvAIO_REQ (SV *sv)	373	static SV *
		374	newSVaio_wd (aio_wd wd)
		375	{
		376	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
		377	}
		378
		379	static aio_req
		380	SvAIO_REQ (SV *sv)
142	{	381	{
143	MAGIC *mg;	382	MAGIC *mg;
144		383
145	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	384	if (!SvROK (sv)
		385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		386	&& SvSTASH (SvRV (sv)) != aio_req_stash
		387	&& !sv_derived_from (sv, "IO::AIO::REQ")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	388	croak ("object of class IO::AIO::REQ expected");
147		389
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	390	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		391
150	return mg ? (aio_req)mg->mg_ptr : 0;	392	return mg ? (aio_req)mg->mg_ptr : 0;
151	}	393	}
152		394
		395	static aio_wd
		396	SvAIO_WD (SV *sv)
		397	{
		398	if (!SvROK (sv)
		399	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		400	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		401	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		402
		403	return (aio_wd)(long)SvIVX (SvRV (sv));
		404	}
		405
		406	static void
153	static void aio_grp_feed (aio_req grp)	407	aio_grp_feed (aio_req grp)
154	{	408	{
155	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
156	{	410	{
157	dSP;	411	dSP;
158		412
159	ENTER;	413	ENTER;
160	SAVETMPS;	414	SAVETMPS;
161	PUSHMARK (SP);	415	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	416	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	417	PUTBACK;
164	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	418	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165	SPAGAIN;	419	SPAGAIN;
166	FREETMPS;	420	FREETMPS;
167	LEAVE;	421	LEAVE;
168	}	422	}
169	}	423	}
170		424
		425	static void
		426	req_submit (eio_req *req)
		427	{
		428	eio_submit (req);
		429
		430	if (expect_false (on_next_submit))
		431	{
		432	dSP;
		433	SV *cb = sv_2mortal (on_next_submit);
		434
		435	on_next_submit = 0;
		436
		437	PUSHMARK (SP);
		438	PUTBACK;
		439	call_sv (cb, G_DISCARD | G_EVAL);
		440	}
		441	}
		442
		443	static int
171	static int req_invoke (eio_req *req)	444	req_invoke (eio_req *req)
172	{	445	{
173	dSP;
174
175	if (req->flags & FLAG_SV2_RO_OFF)	446	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	447	SvREADONLY_off (req->sv2);
177		448
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	449	if (!EIO_CANCELLED (req) && req->callback)
179	{	450	{
		451	dSP;
		452	static SV *sv_result_cache; /* caches the result integer SV */
		453	SV *sv_result;
		454
180	ENTER;	455	ENTER;
181	SAVETMPS;	456	SAVETMPS;
182	PUSHMARK (SP);	457	PUSHMARK (SP);
183	EXTEND (SP, 1);	458	EXTEND (SP, 1);
184		459
		460	/* do not recreate the result IV from scratch each time */
		461	if (expect_true (sv_result_cache))
		462	{
		463	sv_result = sv_result_cache; sv_result_cache = 0;
		464	SvIV_set (sv_result, req->result);
		465	SvIOK_only (sv_result);
		466	}
		467	else
		468	{
		469	sv_result = newSViv (req->result);
		470	SvREADONLY_on (sv_result);
		471	}
		472
185	switch (req->type)	473	switch (req->type)
186	{	474	{
		475	case EIO_WD_OPEN:
		476	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		477	break;
		478
187	case EIO_READDIR:	479	case EIO_READDIR:
188	{	480	{
189	SV *rv = &PL_sv_undef;	481	SV *rv = &PL_sv_undef;
190		482
191	if (req->result >= 0)	483	if (req->result >= 0)
192	{	484	{
193	int i;	485	int i;
194	char *buf = req->ptr2;	486	char *names = (char *)req->ptr2;
		487	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
195	AV *av = newAV ();	488	AV *av = newAV ();
196		489
197	av_extend (av, req->result - 1);	490	av_extend (av, req->result - 1);
198		491
199	for (i = 0; i < req->result; ++i)	492	for (i = 0; i < req->result; ++i)
200	{	493	{
201	SV *sv = newSVpv (buf, 0);	494	if (req->int1 & EIO_READDIR_DENTS)
		495	{
		496	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		497
		498	if (req->int1 & EIO_READDIR_CUSTOM2)
		499	{
		500	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		501	AV *avent = newAV ();
		502
		503	av_extend (avent, 2);
		504
		505	if (!sv_type [ent->type])
		506	{
		507	sv_type [ent->type] = newSViv (ent->type);
		508	SvREADONLY_on (sv_type [ent->type]);
		509	}
		510
		511	av_store (avent, 0, namesv);
		512	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		513	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		514
		515	av_store (av, i, newRV_noinc ((SV *)avent));
		516	}
		517	else
203	av_store (av, i, sv);	518	av_store (av, i, namesv);
		519
		520	++ent;
		521	}
		522	else
		523	{
		524	SV *name = newSVpv (names, 0);
		525	av_store (av, i, name);
204	buf += SvCUR (sv) + 1;	526	names += SvCUR (name) + 1;
		527	}
205	}	528	}
206		529
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	530	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	531	}
209		532
210	PUSHs (rv);	533	PUSHs (rv);
		534
		535	if (req->int1 & EIO_READDIR_CUSTOM1)
		536	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
211	}	537	}
212	break;	538	break;
213		539
214	case EIO_OPEN:	540	case EIO_OPEN:
215	{	541	{
…		…
221	GV *gv = (GV *)sv_newmortal ();	547	GV *gv = (GV *)sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	548	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
223	char sym [64];	549	char sym [64];
224	int symlen;	550	int symlen;
225		551
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	552	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	553	gv_init (gv, aio_stash, sym, symlen, 0);
228		554
229	symlen = snprintf (	555	symlen = snprintf (
230	sym,	556	sym,
231	sizeof (sym),	557	sizeof (sym),
232	"%s&=%d",	558	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	559	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	560	(int)req->result
235	);	561	);
236		562
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	563	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	564	fh = (SV *)gv;
239	}	565	}
240		566
241	PUSHs (fh);	567	PUSHs (fh);
242	}	568	}
		569	break;
		570
		571	case EIO_STATVFS:
		572	case EIO_FSTATVFS:
		573	{
		574	SV *rv = &PL_sv_undef;
		575
		576	#ifndef _WIN32
		577	if (req->result >= 0)
		578	{
		579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		580	HV *hv = newHV ();
		581
		582	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		583
		584	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		585	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		586	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		587	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		588	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		589	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		590	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		595	}
		596	#endif
		597
		598	PUSHs (rv);
		599	}
		600
243	break;	601	break;
244		602
245	case EIO_GROUP:	603	case EIO_GROUP:
246	req->int1 = 2; /* mark group as finished */	604	req->int1 = 2; /* mark group as finished */
247		605
…		…
259	case EIO_NOP:	617	case EIO_NOP:
260	case EIO_BUSY:	618	case EIO_BUSY:
261	break;	619	break;
262		620
263	case EIO_READLINK:	621	case EIO_READLINK:
		622	case EIO_REALPATH:
264	if (req->result > 0)	623	if (req->result > 0)
265	{	624	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266	SvCUR_set (req->sv2, req->result);
267	*SvEND (req->sv2) = 0;
268	PUSHs (req->sv2);
269	}
270	break;	625	break;
271		626
272	case EIO_STAT:	627	case EIO_STAT:
273	case EIO_LSTAT:	628	case EIO_LSTAT:
274	case EIO_FSTAT:	629	case EIO_FSTAT:
275	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	630	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		631
276	PL_laststatval = req->result;	632	if (!(PL_laststatval = req->result))
		633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
277	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	635
		636	PUSHs (sv_result);
279	break;	637	break;
280		638
281	case EIO_READ:	639	case EIO_READ:
		640	{
282	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	641	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283	*SvEND (req->sv2) = 0;	642	*SvEND (req->sv2) = 0;
284	PUSHs (sv_2mortal (newSViv (req->result)));	643	SvPOK_only (req->sv2);
		644	SvSETMAGIC (req->sv2);
		645	PUSHs (sv_result);
		646	}
285	break;	647	break;
286		648
287	case EIO_DUP2:	649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
288	if (req->result > 0)	650	if (req->result > 0)
289	req->result = 0;	651	SvIV_set (sv_result, 0);
290	/* FALLTHROUGH */	652	/* FALLTHROUGH */
291		653
292	default:	654	default:
293	PUSHs (sv_2mortal (newSViv (req->result)));	655	PUSHs (sv_result);
294	break;	656	break;
295	}	657	}
296		658
297	errno = req->errorno;	659	errno = req->errorno;
298		660
299	PUTBACK;	661	PUTBACK;
300	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	662	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
301	SPAGAIN;	663	SPAGAIN;
302		664
		665	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		666	SvREFCNT_dec (sv_result);
		667	else
		668	sv_result_cache = sv_result;
		669
303	FREETMPS;	670	FREETMPS;
304	LEAVE;	671	LEAVE;
305		672
306	PUTBACK;	673	PUTBACK;
307	}	674	}
308		675
309	return !!SvTRUE (ERRSV);	676	return !!SvTRUE (ERRSV);
310	}	677	}
311		678
		679	static void
312	static void req_destroy (aio_req req)	680	req_destroy (aio_req req)
313	{	681	{
314	if (req->self)	682	if (req->self)
315	{	683	{
316	sv_unmagic (req->self, PERL_MAGIC_ext);	684	sv_unmagic (req->self, PERL_MAGIC_ext);
317	SvREFCNT_dec (req->self);	685	SvREFCNT_dec (req->self);
318	}	686	}
319		687
320	SvREFCNT_dec (req->sv1);	688	SvREFCNT_dec (req->sv1);
321	SvREFCNT_dec (req->sv2);	689	SvREFCNT_dec (req->sv2);
		690	SvREFCNT_dec (req->sv3);
		691	SvREFCNT_dec (req->sv4);
322	SvREFCNT_dec (req->callback);	692	SvREFCNT_dec (req->callback);
323		693
324	Safefree (req);	694	Safefree (req);
325	}	695	}
326		696
		697	static void
327	static void req_cancel_subs (aio_req grp)	698	req_cancel_subs (aio_req grp)
328	{	699	{
329	aio_req sub;
330
331	if (grp->type != EIO_GROUP)	700	if (grp->type != EIO_GROUP)
332	return;	701	return;
333		702
334	SvREFCNT_dec (grp->sv2);	703	SvREFCNT_dec (grp->sv2);
335	grp->sv2 = 0;	704	grp->sv2 = 0;
336		705
337	eio_grp_cancel (grp);	706	eio_grp_cancel (grp);
338	}	707	}
339		708
340	#ifdef USE_SOCKETS_AS_HANDLES	709	static void ecb_cold
341	# define TO_SOCKET(x) (win32_get_osfhandle (x))	710	create_respipe (void)
342	#else	711	{
343	# define TO_SOCKET(x) (x)	712	if (s_epipe_renew (&respipe))
344	#endif	713	croak ("IO::AIO: unable to initialize result pipe");
		714	}
345		715
346	static void	716	static void
347	create_respipe (void)	717	poll_wait (void)
348	{	718	{
349	int old_readfd = respipe [0];
350
351	if (respipe [1] >= 0)
352	respipe_close (TO_SOCKET (respipe [1]));
353
354	#ifdef _WIN32
355	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
356	#else
357	if (pipe (respipe))
358	#endif
359	croak ("unable to initialize result pipe");
360
361	if (old_readfd >= 0)
362	{
363	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
364	croak ("unable to initialize result pipe(2)");
365
366	respipe_close (respipe [0]);
367	respipe [0] = old_readfd;
368	}
369
370	#ifdef _WIN32
371	int arg = 1;
372	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
373	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
374	#else
375	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
376	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
377	#endif
378	croak ("unable to initialize result pipe(3)");
379
380	respipe_osf [0] = TO_SOCKET (respipe [0]);
381	respipe_osf [1] = TO_SOCKET (respipe [1]);
382	}
383
384	static void poll_wait (void)
385	{
386	fd_set rfd;
387
388	while (eio_nreqs ())	719	while (eio_nreqs ())
389	{	720	{
390	int size;	721	int size;
391		722
392	X_LOCK (reslock);	723	X_LOCK (reslock);
…		…
394	X_UNLOCK (reslock);	725	X_UNLOCK (reslock);
395		726
396	if (size)	727	if (size)
397	return;	728	return;
398		729
399	maybe_start_thread ();	730	etp_maybe_start_thread ();
400		731
401	FD_ZERO (&rfd);	732	s_epipe_wait (&respipe);
402	FD_SET (respipe [0], &rfd);
403
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	733	}
406	}	734	}
407		735
408	static int poll_cb (void)	736	static int
		737	poll_cb (void)
409	{	738	{
		739	for (;;)
		740	{
410	int res = eio_poll ();	741	int res = eio_poll ();
411		742
412	if (res > 0)	743	if (res > 0)
413	croak (0);	744	croak (0);
414		745
		746	if (!max_outstanding || max_outstanding > eio_nreqs ())
		747	return res;
		748
		749	poll_wait ();
		750	}
		751	}
		752
		753	static void ecb_cold
		754	reinit (void)
		755	{
		756	create_respipe ();
		757
		758	if (eio_init (want_poll, done_poll) < 0)
		759	croak ("IO::AIO: unable to initialise eio library");
		760	}
		761
		762	/*****************************************************************************/
		763
		764	#if !_POSIX_MAPPED_FILES
		765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		766	# define munmap(addr,length) (errno = ENOSYS, -1)
		767	#endif
		768
		769	#if !_POSIX_MEMORY_PROTECTION
		770	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		771	# define PROT_NONE 0
		772	# define PROT_WRITE 0
		773	# define MAP_PRIVATE 0
		774	# define MAP_SHARED 0
		775	# define MAP_FIXED 0
		776	#endif
		777
		778	#define MMAP_MAGIC PERL_MAGIC_ext
		779
		780	static int ecb_cold
		781	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		782	{
		783	int old_errno = errno;
		784	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		785	errno = old_errno;
		786
		787	mg->mg_obj = 0; /* just in case */
		788
		789	SvREADONLY_off (sv);
		790
		791	if (SvPVX (sv) != mg->mg_ptr)
		792	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		793
		794	SvCUR_set (sv, 0);
		795	SvPVX (sv) = 0;
		796	SvOK_off (sv);
		797
415	return res;	798	return 0;
		799	}
		800
		801	static MGVTBL mmap_vtbl = {
		802	0, 0, 0, 0, mmap_free
		803	};
		804
		805	/*****************************************************************************/
		806
		807	static SV *
		808	get_cb (SV *cb_sv)
		809	{
		810	SvGETMAGIC (cb_sv);
		811	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
416	}	812	}
417		813
418	#define dREQ \	814	#define dREQ \
		815	SV *cb_cv; \
419	aio_req req; \	816	aio_req req; \
420	int req_pri = next_pri; \	817	int req_pri = next_pri; \
421	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	818	next_pri = EIO_PRI_DEFAULT; \
422	\	819	\
423	if (SvOK (callback) && !SvROK (callback)) \	820	cb_cv = get_cb (callback); \
424	croak ("callback must be undef or of reference type"); \
425	\	821	\
426	Newz (0, req, 1, eio_req); \	822	Newz (0, req, 1, eio_req); \
427	if (!req) \	823	if (!req) \
428	croak ("out of memory during eio_req allocation"); \	824	croak ("out of memory during eio_req allocation"); \
429	\	825	\
430	req->callback = newSVsv (callback); \	826	req->callback = SvREFCNT_inc (cb_cv); \
431	req->pri = req_pri	827	req->pri = req_pri
432		828
433	#define REQ_SEND \	829	#define REQ_SEND \
		830	PUTBACK; \
434	eio_submit (req); \	831	req_submit (req); \
		832	SPAGAIN; \
435	\	833	\
436	if (GIMME_V != G_VOID) \	834	if (GIMME_V != G_VOID) \
437	XPUSHs (req_sv (req, AIO_REQ_KLASS));	835	XPUSHs (req_sv (req, aio_req_stash));
438		836
		837	ecb_inline void
		838	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		839	{
		840	if (expect_false (SvROK (path)))
		841	{
		842	AV *av = (AV *)SvRV (path);
		843	SV *wdob;
		844
		845	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		846	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		847
		848	path = AvARRAY (av)[1];
		849	wdob = AvARRAY (av)[0];
		850
		851	if (SvOK (wdob))
		852	{
		853	*wd = SvAIO_WD (wdob);
		854	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		855	}
		856	else
		857	*wd = EIO_INVALID_WD;
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
		891
439	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
440		893
441	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
442		895
443	BOOT:	896	BOOT:
444	{	897	{
		898	static const struct {
		899	const char *name;
		900	IV iv;
		901	} *civ, const_iv[] = {
		902	# define const_niv(name, value) { # name, (IV) value },
		903	# define const_iv(name) { # name, (IV) name },
		904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905	const_iv (EXDEV)
		906	const_iv (ENOSYS)
		907	const_iv (O_RDONLY)
		908	const_iv (O_WRONLY)
		909	const_iv (O_RDWR)
		910	const_iv (O_CREAT)
		911	const_iv (O_TRUNC)
		912	const_iv (O_EXCL)
		913	const_iv (O_APPEND)
		914
		915	const_iv (O_ASYNC)
		916	const_iv (O_DIRECT)
		917	const_iv (O_NOATIME)
		918
		919	const_iv (O_CLOEXEC)
		920	const_iv (O_NOCTTY)
		921	const_iv (O_NOFOLLOW)
		922	const_iv (O_NONBLOCK)
		923	const_iv (O_EXEC)
		924	const_iv (O_SEARCH)
		925	const_iv (O_DIRECTORY)
		926	const_iv (O_DSYNC)
		927	const_iv (O_RSYNC)
		928	const_iv (O_SYNC)
		929	const_iv (O_TTY_INIT)
		930
		931	const_iv (S_IFIFO)
		932	const_iv (S_IFCHR)
		933	const_iv (S_IFBLK)
		934	const_iv (S_IFLNK)
		935	const_iv (S_IFREG)
		936	const_iv (S_IFDIR)
		937	const_iv (S_IFWHT)
		938	const_iv (S_IFSOCK)
		939	const_iv (S_IFMT)
		940
		941	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		942	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		943	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		944	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		945	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		946	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		947
		948	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		949	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		950	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		951	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		952	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		953
		954	const_iv (ST_RDONLY)
		955	const_iv (ST_NOSUID)
		956	const_iv (ST_NODEV)
		957	const_iv (ST_NOEXEC)
		958	const_iv (ST_SYNCHRONOUS)
		959	const_iv (ST_MANDLOCK)
		960	const_iv (ST_WRITE)
		961	const_iv (ST_APPEND)
		962	const_iv (ST_IMMUTABLE)
		963	const_iv (ST_NOATIME)
		964	const_iv (ST_NODIRATIME)
		965	const_iv (ST_RELATIME)
		966
		967	const_iv (PROT_NONE)
		968	const_iv (PROT_EXEC)
		969	const_iv (PROT_READ)
		970	const_iv (PROT_WRITE)
		971
		972	/*const_iv (MAP_FIXED)*/
		973	const_iv (MAP_PRIVATE)
		974	const_iv (MAP_SHARED)
		975	const_iv (MAP_ANONYMOUS)
		976
		977	/* linuxish */
		978	const_iv (MAP_HUGETLB)
		979	const_iv (MAP_LOCKED)
		980	const_iv (MAP_NORESERVE)
		981	const_iv (MAP_POPULATE)
		982	const_iv (MAP_NONBLOCK)
		983
		984	const_eio (MCL_FUTURE)
		985	const_eio (MCL_CURRENT)
		986
		987	const_eio (MS_ASYNC)
		988	const_eio (MS_INVALIDATE)
		989	const_eio (MS_SYNC)
		990
		991	const_eio (MT_MODIFY)
		992
		993	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		994	const_eio (SYNC_FILE_RANGE_WRITE)
		995	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		996
		997	const_eio (FALLOC_FL_KEEP_SIZE)
		998
		999	const_eio (READDIR_DENTS)
		1000	const_eio (READDIR_DIRS_FIRST)
		1001	const_eio (READDIR_STAT_ORDER)
		1002	const_eio (READDIR_FOUND_UNKNOWN)
		1003
		1004	const_eio (DT_UNKNOWN)
		1005	const_eio (DT_FIFO)
		1006	const_eio (DT_CHR)
		1007	const_eio (DT_DIR)
		1008	const_eio (DT_BLK)
		1009	const_eio (DT_REG)
		1010	const_eio (DT_LNK)
		1011	const_eio (DT_SOCK)
		1012	const_eio (DT_WHT)
		1013	};
		1014
445	stash = gv_stashpv ("IO::AIO", 1);	1015	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1016	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1017	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1018	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
446		1019
447	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1020	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
448	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1021	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
449	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
450	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
451	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
452	#ifdef _WIN32
453	X_MUTEX_CHECK (wrklock);
454	X_MUTEX_CHECK (reslock);
455	X_MUTEX_CHECK (reqlock);
456	X_MUTEX_CHECK (reqwait);
457	X_MUTEX_CHECK (preadwritelock);
458	X_MUTEX_CHECK (readdirlock);
459		1022
460	X_COND_CHECK (reqwait);	1023	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
461	#else
462	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
463	#endif
464		1024
465	create_respipe ();	1025	reinit ();
466
467	if (eio_init (want_poll, done_poll) < 0)
468	croak ("IO::AIO: unable to initialise eio library");
469	}	1026	}
470		1027
471	void	1028	void
		1029	reinit ()
		1030	PROTOTYPE:
		1031
		1032	void
472	max_poll_reqs (int nreqs)	1033	max_poll_reqs (unsigned int nreqs)
473	PROTOTYPE: $	1034	PROTOTYPE: $
474	CODE:	1035	CODE:
475	eio_set_max_poll_reqs (nreqs);	1036	eio_set_max_poll_reqs (nreqs);
476		1037
477	void	1038	void
…		…
479	PROTOTYPE: $	1040	PROTOTYPE: $
480	CODE:	1041	CODE:
481	eio_set_max_poll_time (nseconds);	1042	eio_set_max_poll_time (nseconds);
482		1043
483	void	1044	void
484	min_parallel (int nthreads)	1045	min_parallel (unsigned int nthreads)
485	PROTOTYPE: $	1046	PROTOTYPE: $
486	CODE:	1047	CODE:
487	eio_set_min_parallel (nthreads);	1048	eio_set_min_parallel (nthreads);
488		1049
489	void	1050	void
490	max_parallel (int nthreads)	1051	max_parallel (unsigned int nthreads)
491	PROTOTYPE: $	1052	PROTOTYPE: $
492	CODE:	1053	CODE:
493	eio_set_max_parallel (nthreads);	1054	eio_set_max_parallel (nthreads);
494		1055
495	void	1056	void
496	max_idle (int nthreads)	1057	max_idle (unsigned int nthreads)
497	PROTOTYPE: $	1058	PROTOTYPE: $
498	CODE:	1059	CODE:
499	eio_set_max_idle (nthreads);	1060	eio_set_max_idle (nthreads);
500		1061
501	void	1062	void
		1063	idle_timeout (unsigned int seconds)
		1064	PROTOTYPE: $
		1065	CODE:
		1066	eio_set_idle_timeout (seconds);
		1067
		1068	void
502	max_outstanding (int maxreqs)	1069	max_outstanding (unsigned int maxreqs)
503	PROTOTYPE: $	1070	PROTOTYPE: $
504	CODE:	1071	CODE:
505	max_outstanding = maxreqs;	1072	max_outstanding = maxreqs;
506		1073
507	void	1074	void
		1075	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1076	PPCODE:
		1077	{
		1078	dREQ;
		1079
		1080	req->type = EIO_WD_OPEN;
		1081	req_set_path1 (req, pathname);
		1082
		1083	REQ_SEND;
		1084	}
		1085
		1086	void
508	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1087	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
509	PROTOTYPE: $$$;$
510	PPCODE:	1088	PPCODE:
511	{	1089	{
512	dREQ;	1090	dREQ;
513		1091
514	req->type = EIO_OPEN;	1092	req->type = EIO_OPEN;
515	req->sv1 = newSVsv (pathname);	1093	req_set_path1 (req, pathname);
516	req->ptr1 = SvPVbyte_nolen (req->sv1);
517	req->int1 = flags;	1094	req->int1 = flags;
518	req->int2 = mode;	1095	req->int2 = mode;
519		1096
520	REQ_SEND;	1097	REQ_SEND;
521	}	1098	}
522		1099
523	void	1100	void
524	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1101	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
525	PROTOTYPE: $;$
526	ALIAS:	1102	ALIAS:
527	aio_fsync = EIO_FSYNC	1103	aio_fsync = EIO_FSYNC
528	aio_fdatasync = EIO_FDATASYNC	1104	aio_fdatasync = EIO_FDATASYNC
		1105	aio_syncfs = EIO_SYNCFS
529	PPCODE:	1106	PPCODE:
530	{	1107	{
		1108	int fd = s_fileno_croak (fh, 0);
531	dREQ;	1109	dREQ;
532		1110
533	req->type = ix;	1111	req->type = ix;
534	req->sv1 = newSVsv (fh);	1112	req->sv1 = newSVsv (fh);
535	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1113	req->int1 = fd;
536		1114
537	REQ_SEND (req);	1115	REQ_SEND (req);
538	}	1116	}
539		1117
540	void	1118	void
		1119	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1120	PPCODE:
		1121	{
		1122	int fd = s_fileno_croak (fh, 0);
		1123	dREQ;
		1124
		1125	req->type = EIO_SYNC_FILE_RANGE;
		1126	req->sv1 = newSVsv (fh);
		1127	req->int1 = fd;
		1128	req->offs = offset;
		1129	req->size = nbytes;
		1130	req->int2 = flags;
		1131
		1132	REQ_SEND (req);
		1133	}
		1134
		1135	void
		1136	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1137	PPCODE:
		1138	{
		1139	int fd = s_fileno_croak (fh, 0);
		1140	dREQ;
		1141
		1142	req->type = EIO_FALLOCATE;
		1143	req->sv1 = newSVsv (fh);
		1144	req->int1 = fd;
		1145	req->int2 = mode;
		1146	req->offs = offset;
		1147	req->size = len;
		1148
		1149	REQ_SEND (req);
		1150	}
		1151
		1152	void
541	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1153	aio_close (SV *fh, SV *callback=&PL_sv_undef)
542	PROTOTYPE: $;$
543	PPCODE:	1154	PPCODE:
544	{	1155	{
545	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1156	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1157	int fd = s_fileno_croak (fh, 0);
546	dREQ;	1158	dREQ;
547		1159
548	if (close_pipe < 0)	1160	if (expect_false (close_fd < 0))
549	{	1161	{
550	int pipefd [2];	1162	int pipefd [2];
551		1163
		1164	if (
		1165	#ifdef _WIN32
		1166	_pipe (pipefd, 1, _O_BINARY) < 0
		1167	#else
552	if (pipe (pipefd) < 0	1168	pipe (pipefd) < 0
553	|| close (pipefd [1]) < 0
554	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1169	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1170	#endif
		1171	|| close (pipefd [1]) < 0
		1172	)
555	abort (); /*D*/	1173	abort (); /*D*/
556		1174
557	close_pipe = pipefd [0];	1175	close_fd = pipefd [0];
558	}	1176	}
559		1177
560	req->type = EIO_DUP2;	1178	req->type = EIO_DUP2;
561	req->int1 = close_pipe;	1179	req->int1 = close_fd;
562	req->sv2 = newSVsv (fh);	1180	req->sv2 = newSVsv (fh);
563	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1181	req->int2 = fd;
564		1182
565	REQ_SEND (req);	1183	REQ_SEND (req);
566	}	1184	}
567		1185
568	void	1186	void
569	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1187	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
570	ALIAS:	1188	ALIAS:
571	aio_read = EIO_READ	1189	aio_read = EIO_READ
572	aio_write = EIO_WRITE	1190	aio_write = EIO_WRITE
573	PROTOTYPE: $$$$$;$
574	PPCODE:	1191	PPCODE:
575	{	1192	{
576	STRLEN svlen;	1193	STRLEN svlen;
		1194	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
577	char *svptr = SvPVbyte (data, svlen);	1195	char *svptr = SvPVbyte (data, svlen);
578	UV len = SvUV (length);	1196	UV len = SvUV (length);
579
580	SvUPGRADE (data, SVt_PV);
581	SvPOK_on (data);
582		1197
583	if (dataoffset < 0)	1198	if (dataoffset < 0)
584	dataoffset += svlen;	1199	dataoffset += svlen;
585		1200
586	if (dataoffset < 0 || dataoffset > svlen)	1201	if (dataoffset < 0 || dataoffset > svlen)
…		…
592	if (!SvOK (length) || len + dataoffset > svlen)	1207	if (!SvOK (length) || len + dataoffset > svlen)
593	len = svlen - dataoffset;	1208	len = svlen - dataoffset;
594	}	1209	}
595	else	1210	else
596	{	1211	{
597	/* read: grow scalar as necessary */	1212	/* read: check type and grow scalar as necessary */
		1213	SvUPGRADE (data, SVt_PV);
598	svptr = SvGROW (data, len + dataoffset + 1);	1214	svptr = SvGROW (data, len + dataoffset + 1);
599	}	1215	}
600		1216
601	if (len < 0)
602	croak ("length must not be negative");
603
604	{	1217	{
605	dREQ;	1218	dREQ;
606		1219
607	req->type = ix;	1220	req->type = ix;
608	req->sv1 = newSVsv (fh);	1221	req->sv1 = newSVsv (fh);
609	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1222	req->int1 = fd;
610	: IoOFP (sv_2io (fh)));
611	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1223	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
612	req->size = len;	1224	req->size = len;
613	req->sv2 = SvREFCNT_inc (data);	1225	req->sv2 = SvREFCNT_inc (data);
614	req->ptr2 = (char *)svptr + dataoffset;	1226	req->ptr2 = (char *)svptr + dataoffset;
615	req->stroffset = dataoffset;	1227	req->stroffset = dataoffset;
…		…
623	REQ_SEND;	1235	REQ_SEND;
624	}	1236	}
625	}	1237	}
626		1238
627	void	1239	void
628	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1240	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
629	PROTOTYPE: $$;$	1241	ALIAS:
		1242	aio_readlink = EIO_READLINK
		1243	aio_realpath = EIO_REALPATH
630	PPCODE:	1244	PPCODE:
631	{	1245	{
632	SV *data;
633	dREQ;	1246	dREQ;
634		1247
635	data = newSV (NAME_MAX);
636	SvPOK_on (data);
637
638	req->type = EIO_READLINK;	1248	req->type = ix;
639	req->sv1 = newSVsv (path);	1249	req_set_path1 (req, pathname);
640	req->ptr1 = SvPVbyte_nolen (req->sv1);
641	req->sv2 = data;
642	req->ptr2 = SvPVbyte_nolen (data);
643		1250
644	REQ_SEND;	1251	REQ_SEND;
645	}	1252	}
646		1253
647	void	1254	void
648	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1255	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
649	PROTOTYPE: $$$$;$
650	PPCODE:	1256	PPCODE:
651	{	1257	{
		1258	int ifd = s_fileno_croak (in_fh , 0);
		1259	int ofd = s_fileno_croak (out_fh, 1);
652	dREQ;	1260	dREQ;
653		1261
654	req->type = EIO_SENDFILE;	1262	req->type = EIO_SENDFILE;
655	req->sv1 = newSVsv (out_fh);	1263	req->sv1 = newSVsv (out_fh);
656	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1264	req->int1 = ofd;
657	req->sv2 = newSVsv (in_fh);	1265	req->sv2 = newSVsv (in_fh);
658	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1266	req->int2 = ifd;
659	req->offs = SvVAL64 (in_offset);	1267	req->offs = in_offset;
660	req->size = length;	1268	req->size = length;
661		1269
662	REQ_SEND;	1270	REQ_SEND;
663	}	1271	}
664		1272
665	void	1273	void
666	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1274	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$;$
668	PPCODE:	1275	PPCODE:
669	{	1276	{
		1277	int fd = s_fileno_croak (fh, 0);
670	dREQ;	1278	dREQ;
671		1279
672	req->type = EIO_READAHEAD;	1280	req->type = EIO_READAHEAD;
673	req->sv1 = newSVsv (fh);	1281	req->sv1 = newSVsv (fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1282	req->int1 = fd;
675	req->offs = SvVAL64 (offset);	1283	req->offs = offset;
676	req->size = length;	1284	req->size = length;
677		1285
678	REQ_SEND;	1286	REQ_SEND;
679	}	1287	}
680		1288
681	void	1289	void
682	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1290	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
683	ALIAS:	1291	ALIAS:
684	aio_stat = EIO_STAT	1292	aio_stat = EIO_STAT
685	aio_lstat = EIO_LSTAT	1293	aio_lstat = EIO_LSTAT
		1294	aio_statvfs = EIO_STATVFS
686	PPCODE:	1295	PPCODE:
687	{	1296	{
688	dREQ;	1297	dREQ;
689		1298
690	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
691	if (!req->ptr2)
692	{
693	req_destroy (req);
694	croak ("out of memory during aio_stat statdata allocation");
695	}
696
697	req->flags |= EIO_FLAG_PTR2_FREE;
698	req->sv1 = newSVsv (fh_or_path);	1299	req->sv1 = newSVsv (fh_or_path);
699		1300	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
700	if (SvPOK (fh_or_path))
701	{
702	req->type = ix;
703	req->ptr1 = SvPVbyte_nolen (req->sv1);
704	}
705	else
706	{
707	req->type = EIO_FSTAT;
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
709	}
710
711	REQ_SEND;	1301	REQ_SEND;
712	}	1302	}
		1303
		1304	UV
		1305	major (UV dev)
		1306	ALIAS:
		1307	minor = 1
		1308	CODE:
		1309	RETVAL = ix ? major (dev) : minor (dev);
		1310	OUTPUT:
		1311	RETVAL
		1312
		1313	UV
		1314	makedev (UV maj, UV min)
		1315	CODE:
		1316	RETVAL = makedev (maj, min);
		1317	OUTPUT:
		1318	RETVAL
713		1319
714	void	1320	void
715	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1321	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
716	PPCODE:	1322	PPCODE:
717	{	1323	{
718	dREQ;	1324	dREQ;
719		1325
720	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1326	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
721	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1327	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
722	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
723
724	if (SvPOK (fh_or_path))
725	{
726	req->type = EIO_UTIME;
727	req->ptr1 = SvPVbyte_nolen (req->sv1);
728	}
729	else
730	{
731	req->type = EIO_FUTIME;
732	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
733	}
734		1329
735	REQ_SEND;	1330	REQ_SEND;
736	}	1331	}
737		1332
738	void	1333	void
739	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1334	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
740	PPCODE:	1335	PPCODE:
741	{	1336	{
742	dREQ;	1337	dREQ;
743		1338
744	req->sv1 = newSVsv (fh_or_path);
745	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1339	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
746		1340	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
747	if (SvPOK (fh_or_path))
748	{
749	req->type = EIO_TRUNCATE;
750	req->ptr1 = SvPVbyte_nolen (req->sv1);
751	}
752	else
753	{
754	req->type = EIO_FTRUNCATE;
755	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
756	}
757		1341
758	REQ_SEND;	1342	REQ_SEND;
759	}	1343	}
760		1344
761	void	1345	void
762	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1346	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
763	ALIAS:
764	aio_chmod = EIO_CHMOD
765	aio_fchmod = EIO_FCHMOD
766	aio_mkdir = EIO_MKDIR
767	PPCODE:	1347	PPCODE:
768	{	1348	{
769	dREQ;	1349	dREQ;
770		1350
771	req->type = ix;
772	req->int2 = mode;	1351	req->int2 = mode;
773	req->sv1 = newSVsv (fh_or_path);	1352	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
774
775	if (ix == EIO_FCHMOD)
776	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
777	else
778	req->ptr1 = SvPVbyte_nolen (req->sv1);
779		1353
780	REQ_SEND;	1354	REQ_SEND;
781	}	1355	}
782		1356
783	void	1357	void
…		…
786	{	1360	{
787	dREQ;	1361	dREQ;
788		1362
789	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1363	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
790	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1364	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
791	req->sv1 = newSVsv (fh_or_path);	1365	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
792		1366
793	if (SvPOK (fh_or_path))	1367	REQ_SEND;
794	{	1368	}
		1369
		1370	void
		1371	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1372	PPCODE:
		1373	{
		1374	dREQ;
		1375
		1376	req->type = EIO_READDIR;
		1377	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1378
		1379	if (flags & EIO_READDIR_DENTS)
		1380	req->int1 |= EIO_READDIR_CUSTOM2;
		1381
		1382	req_set_path1 (req, pathname);
		1383
		1384	REQ_SEND;
		1385	}
		1386
		1387	void
		1388	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1389	PPCODE:
		1390	{
		1391	dREQ;
		1392
795	req->type = EIO_CHOWN;	1393	req->type = EIO_MKDIR;
796	req->ptr1 = SvPVbyte_nolen (req->sv1);	1394	req->int2 = mode;
797	}	1395	req_set_path1 (req, pathname);
798	else
799	{
800	req->type = EIO_FCHOWN;
801	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
802	}
803		1396
804	REQ_SEND;	1397	REQ_SEND;
805	}	1398	}
806		1399
807	void	1400	void
…		…
813	PPCODE:	1406	PPCODE:
814	{	1407	{
815	dREQ;	1408	dREQ;
816		1409
817	req->type = ix;	1410	req->type = ix;
818	req->sv1 = newSVsv (pathname);	1411	req_set_path1 (req, pathname);
819	req->ptr1 = SvPVbyte_nolen (req->sv1);
820		1412
821	REQ_SEND;	1413	REQ_SEND;
822	}	1414	}
823		1415
824	void	1416	void
…		…
828	aio_symlink = EIO_SYMLINK	1420	aio_symlink = EIO_SYMLINK
829	aio_rename = EIO_RENAME	1421	aio_rename = EIO_RENAME
830	PPCODE:	1422	PPCODE:
831	{	1423	{
832	dREQ;	1424	dREQ;
		1425	eio_wd wd2 = 0;
833		1426
834	req->type = ix;	1427	req->type = ix;
835	req->sv1 = newSVsv (oldpath);	1428	req_set_path1 (req, oldpath);
836	req->ptr1 = SvPVbyte_nolen (req->sv1);	1429	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
837	req->sv2 = newSVsv (newpath);	1430	req->int3 = (long)wd2;
838	req->ptr2 = SvPVbyte_nolen (req->sv2);
839		1431
840	REQ_SEND;	1432	REQ_SEND;
841	}	1433	}
842		1434
843	void	1435	void
…		…
845	PPCODE:	1437	PPCODE:
846	{	1438	{
847	dREQ;	1439	dREQ;
848		1440
849	req->type = EIO_MKNOD;	1441	req->type = EIO_MKNOD;
850	req->sv1 = newSVsv (pathname);
851	req->ptr1 = SvPVbyte_nolen (req->sv1);
852	req->int2 = (mode_t)mode;	1442	req->int2 = (mode_t)mode;
853	req->offs = dev;	1443	req->offs = dev;
		1444	req_set_path1 (req, pathname);
854		1445
855	REQ_SEND;	1446	REQ_SEND;
856	}	1447	}
857		1448
858	void	1449	void
		1450	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1451	ALIAS:
		1452	aio_mtouch = EIO_MTOUCH
		1453	aio_msync = EIO_MSYNC
		1454	PPCODE:
		1455	{
		1456	STRLEN svlen;
		1457	char *svptr = SvPVbyte (data, svlen);
		1458	UV len = SvUV (length);
		1459
		1460	if (offset < 0)
		1461	offset += svlen;
		1462
		1463	if (offset < 0 || offset > svlen)
		1464	croak ("offset outside of scalar");
		1465
		1466	if (!SvOK (length) || len + offset > svlen)
		1467	len = svlen - offset;
		1468
		1469	{
		1470	dREQ;
		1471
		1472	req->type = ix;
		1473	req->sv2 = SvREFCNT_inc (data);
		1474	req->ptr2 = (char *)svptr + offset;
		1475	req->size = len;
		1476	req->int1 = flags;
		1477
		1478	REQ_SEND;
		1479	}
		1480	}
		1481
		1482	void
		1483	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1484	PPCODE:
		1485	{
		1486	STRLEN svlen;
		1487	char *svptr = SvPVbyte (data, svlen);
		1488	UV len = SvUV (length);
		1489
		1490	if (offset < 0)
		1491	offset += svlen;
		1492
		1493	if (offset < 0 || offset > svlen)
		1494	croak ("offset outside of scalar");
		1495
		1496	if (!SvOK (length) || len + offset > svlen)
		1497	len = svlen - offset;
		1498
		1499	{
		1500	dREQ;
		1501
		1502	req->type = EIO_MLOCK;
		1503	req->sv2 = SvREFCNT_inc (data);
		1504	req->ptr2 = (char *)svptr + offset;
		1505	req->size = len;
		1506
		1507	REQ_SEND;
		1508	}
		1509	}
		1510
		1511	void
		1512	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1513	PPCODE:
		1514	{
		1515	dREQ;
		1516
		1517	req->type = EIO_MLOCKALL;
		1518	req->int1 = flags;
		1519
		1520	REQ_SEND;
		1521	}
		1522
		1523	void
859	aio_busy (double delay, SV *callback=&PL_sv_undef)	1524	aio_busy (double delay, SV *callback=&PL_sv_undef)
860	PPCODE:	1525	PPCODE:
861	{	1526	{
862	dREQ;	1527	dREQ;
863		1528
…		…
867	REQ_SEND;	1532	REQ_SEND;
868	}	1533	}
869		1534
870	void	1535	void
871	aio_group (SV *callback=&PL_sv_undef)	1536	aio_group (SV *callback=&PL_sv_undef)
872	PROTOTYPE: ;$
873	PPCODE:	1537	PPCODE:
874	{	1538	{
875	dREQ;	1539	dREQ;
876		1540
877	req->type = EIO_GROUP;	1541	req->type = EIO_GROUP;
878		1542
879	eio_submit (req);	1543	req_submit (req);
880	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1544	XPUSHs (req_sv (req, aio_grp_stash));
881	}	1545	}
882		1546
883	void	1547	void
884	aio_nop (SV *callback=&PL_sv_undef)	1548	aio_nop (SV *callback=&PL_sv_undef)
885	ALIAS:	1549	ALIAS:
…		…
894	REQ_SEND;	1558	REQ_SEND;
895	}	1559	}
896		1560
897	int	1561	int
898	aioreq_pri (int pri = 0)	1562	aioreq_pri (int pri = 0)
899	PROTOTYPE: ;$
900	CODE:	1563	CODE:
901	RETVAL = next_pri - EIO_PRI_BIAS;	1564	RETVAL = next_pri;
902	if (items > 0)	1565	if (items > 0)
903	{	1566	{
904	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1567	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
905	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1568	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
906	next_pri = pri + EIO_PRI_BIAS;	1569	next_pri = pri;
907	}	1570	}
908	OUTPUT:	1571	OUTPUT:
909	RETVAL	1572	RETVAL
910		1573
911	void	1574	void
912	aioreq_nice (int nice = 0)	1575	aioreq_nice (int nice = 0)
913	CODE:	1576	CODE:
914	nice = next_pri - nice;	1577	nice = next_pri - nice;
915	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1578	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
916	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1579	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
917	next_pri = nice + EIO_PRI_BIAS;	1580	next_pri = nice;
918		1581
919	void	1582	void
920	flush ()	1583	flush ()
921	PROTOTYPE:
922	CODE:	1584	CODE:
923	while (nreqs)	1585	while (eio_nreqs ())
924	{	1586	{
925	poll_wait ();	1587	poll_wait ();
926	poll_cb ();	1588	poll_cb ();
927	}	1589	}
928		1590
929	int	1591	int
930	poll()	1592	poll ()
931	PROTOTYPE:
932	CODE:	1593	CODE:
933	poll_wait ();	1594	poll_wait ();
934	RETVAL = poll_cb ();	1595	RETVAL = poll_cb ();
935	OUTPUT:	1596	OUTPUT:
936	RETVAL	1597	RETVAL
937		1598
938	int	1599	int
939	poll_fileno()	1600	poll_fileno ()
940	PROTOTYPE:
941	CODE:	1601	CODE:
942	RETVAL = respipe [0];	1602	RETVAL = s_epipe_fd (&respipe);
943	OUTPUT:	1603	OUTPUT:
944	RETVAL	1604	RETVAL
945		1605
946	int	1606	int
947	poll_cb(...)	1607	poll_cb (...)
948	PROTOTYPE:	1608	PROTOTYPE:
949	CODE:	1609	CODE:
950	RETVAL = poll_cb ();	1610	RETVAL = poll_cb ();
951	OUTPUT:	1611	OUTPUT:
952	RETVAL	1612	RETVAL
953		1613
954	void	1614	void
955	poll_wait()	1615	poll_wait ()
956	PROTOTYPE:
957	CODE:	1616	CODE:
958	poll_wait ();	1617	poll_wait ();
959		1618
960	int	1619	int
961	nreqs()	1620	nreqs ()
962	PROTOTYPE:
963	CODE:	1621	CODE:
964	RETVAL = eio_nreqs ();	1622	RETVAL = eio_nreqs ();
965	OUTPUT:	1623	OUTPUT:
966	RETVAL	1624	RETVAL
967		1625
968	int	1626	int
969	nready()	1627	nready ()
970	PROTOTYPE:
971	CODE:	1628	CODE:
972	RETVAL = eio_nready ();	1629	RETVAL = eio_nready ();
973	OUTPUT:	1630	OUTPUT:
974	RETVAL	1631	RETVAL
975		1632
976	int	1633	int
977	npending()	1634	npending ()
978	PROTOTYPE:
979	CODE:	1635	CODE:
980	RETVAL = eio_npending ();	1636	RETVAL = eio_npending ();
981	OUTPUT:	1637	OUTPUT:
982	RETVAL	1638	RETVAL
983		1639
984	int	1640	int
985	nthreads()	1641	nthreads ()
986	PROTOTYPE:
987	CODE:	1642	CODE:
988	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1643	RETVAL = eio_nthreads ();
989	RETVAL = started;
990	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
991	OUTPUT:	1644	OUTPUT:
992	RETVAL	1645	RETVAL
993		1646
		1647	int
		1648	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1649	CODE:
		1650	RETVAL = posix_fadvise (fh, offset, length, advice);
		1651	OUTPUT:
		1652	RETVAL
		1653
		1654	IV
		1655	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1656	CODE:
		1657	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1658	OUTPUT:
		1659	RETVAL
		1660
		1661	void
		1662	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1663	PPCODE:
		1664	sv_unmagic (scalar, MMAP_MAGIC);
		1665	{
		1666	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1667	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1668	if (addr == (void *)-1)
		1669	XSRETURN_NO;
		1670
		1671	sv_force_normal (scalar);
		1672
		1673	/* we store the length in mg_obj, as namlen is I32 :/ */
		1674	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1675	->mg_obj = (SV *)length;
		1676
		1677	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1678
		1679	if (!(prot & PROT_WRITE))
		1680	SvREADONLY_on (scalar);
		1681
		1682	if (SvLEN (scalar))
		1683	Safefree (SvPVX (scalar));
		1684
		1685	SvPVX (scalar) = (char *)addr;
		1686	SvCUR_set (scalar, length);
		1687	SvLEN_set (scalar, 0);
		1688	SvPOK_only (scalar);
		1689
		1690	XSRETURN_YES;
		1691	}
		1692
		1693	void
		1694	munmap (SV *scalar)
		1695	CODE:
		1696	sv_unmagic (scalar, MMAP_MAGIC);
		1697
		1698	int
		1699	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1700	ALIAS:
		1701	mprotect = 1
		1702	CODE:
		1703	{
		1704	STRLEN svlen;
		1705	void *addr = SvPVbyte (scalar, svlen);
		1706	size_t len = SvUV (length);
		1707
		1708	if (offset < 0)
		1709	offset += svlen;
		1710
		1711	if (offset < 0 || offset > svlen)
		1712	croak ("offset outside of scalar");
		1713
		1714	if (!SvOK (length) || len + offset > svlen)
		1715	len = svlen - offset;
		1716
		1717	addr = (void *)(((intptr_t)addr) + offset);
		1718	eio_page_align (&addr, &len);
		1719
		1720	switch (ix)
		1721	{
		1722	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1723	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1724	}
		1725	}
		1726	OUTPUT:
		1727	RETVAL
		1728
		1729	int
		1730	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1731	CODE:
		1732	{
		1733	STRLEN svlen;
		1734	void *addr = SvPVbyte (scalar, svlen);
		1735	size_t len = SvUV (length);
		1736
		1737	if (offset < 0)
		1738	offset += svlen;
		1739
		1740	if (offset < 0 || offset > svlen)
		1741	croak ("offset outside of scalar");
		1742
		1743	if (!SvOK (length) || len + offset > svlen)
		1744	len = svlen - offset;
		1745
		1746	addr = (void *)(((intptr_t)addr) + offset);
		1747	eio_page_align (&addr, &len);
		1748	#if _POSIX_MEMLOCK_RANGE
		1749	RETVAL = munlock (addr, len);
		1750	#else
		1751	RETVAL = ((errno = ENOSYS), -1);
		1752	#endif
		1753	}
		1754	OUTPUT:
		1755	RETVAL
		1756
		1757	int
		1758	munlockall ()
		1759	CODE:
		1760	#if _POSIX_MEMLOCK
		1761	munlockall ();
		1762	#else
		1763	RETVAL = -1;
		1764	errno = ENOSYS;
		1765	#endif
		1766	OUTPUT:
		1767	RETVAL
		1768
		1769	void _on_next_submit (SV *cb)
		1770	CODE:
		1771	SvREFCNT_dec (on_next_submit);
		1772	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1773
994	PROTOTYPES: DISABLE	1774	PROTOTYPES: DISABLE
995		1775
		1776	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1777
		1778	BOOT:
		1779	{
		1780	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1781	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1782	}
		1783
		1784	void
		1785	DESTROY (SV *self)
		1786	CODE:
		1787	{
		1788	aio_wd wd = SvAIO_WD (self);
		1789	#if HAVE_AT
		1790	SV *callback = &PL_sv_undef;
		1791	dREQ; /* clobbers next_pri :/ */
		1792	req->type = EIO_WD_CLOSE;
		1793	req->wd = wd;
		1794	REQ_SEND;
		1795	#else
		1796	eio_wd_close_sync (wd);
		1797	#endif
		1798	}
		1799
996	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1800	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
997		1801
998	void	1802	void
999	cancel (aio_req_ornot req)	1803	cancel (aio_req_ornot req)
1000	CODE:	1804	CODE:
1001	eio_cancel (req);	1805	eio_cancel (req);
1002		1806
1003	void	1807	void
1004	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1808	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1005	CODE:	1809	PPCODE:
		1810	{
		1811	if (GIMME_V != G_VOID)
		1812	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1813
		1814	if (items > 1)
		1815	{
		1816	SV *cb_cv =get_cb (callback);
		1817
1006	SvREFCNT_dec (req->callback);	1818	SvREFCNT_dec (req->callback);
1007	req->callback = newSVsv (callback);	1819	req->callback = SvREFCNT_inc (cb_cv);
		1820	}
		1821	}
1008		1822
1009	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1823	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1010		1824
1011	void	1825	void
1012	add (aio_req grp, ...)	1826	add (aio_req grp, ...)
…		…
1044	AV *av;	1858	AV *av;
1045		1859
1046	grp->errorno = errno;	1860	grp->errorno = errno;
1047		1861
1048	av = newAV ();	1862	av = newAV ();
		1863	av_extend (av, items - 1);
1049		1864
1050	for (i = 1; i < items; ++i )	1865	for (i = 1; i < items; ++i )
1051	av_push (av, newSVsv (ST (i)));	1866	av_push (av, newSVsv (ST (i)));
1052		1867
1053	SvREFCNT_dec (grp->sv1);	1868	SvREFCNT_dec (grp->sv1);
…		…
1067	void	1882	void
1068	feed (aio_req grp, SV *callback=&PL_sv_undef)	1883	feed (aio_req grp, SV *callback=&PL_sv_undef)
1069	CODE:	1884	CODE:
1070	{	1885	{
1071	SvREFCNT_dec (grp->sv2);	1886	SvREFCNT_dec (grp->sv2);
1072	grp->sv2 = newSVsv (callback);	1887	grp->sv2 = newSVsv (callback);
		1888	grp->feed = aio_grp_feed;
1073		1889
1074	if (grp->int2 <= 0)	1890	if (grp->int2 <= 0)
1075	grp->int2 = 2;	1891	grp->int2 = 2;
1076		1892
1077	eio_grp_limit (grp, grp->int2);	1893	eio_grp_limit (grp, grp->int2);

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