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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.129 by root, Tue Sep 30 17:03:53 2008 UTC vs.
Revision 1.205 by root, Sat Oct 1 10:53:47 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
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		26
70	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	29	#undef readdir
73	#undef opendir	30	#undef opendir
74	#undef closedir	31	#undef closedir
75		32
		33	#ifdef _WIN32
		34
		35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
		39	#undef open
		40	#undef read
		41	#undef write
		42	#undef send
		43	#undef recv
		44	#undef stat
		45	#undef lstat
		46	#undef fstat
		47	#undef truncate
		48	#undef ftruncate
		49	#undef open
		50	#undef link
		51	#undef close
		52	#undef unlink
		53	#undef mkdir
		54	#undef rmdir
		55	#undef rename
		56	#undef lseek
		57	#undef opendir
		58	#undef readdir
		59	#undef closedir
		60	#undef chmod
		61	#undef fchmod
		62	#undef dup
		63	#undef dup2
		64	#undef abort
		65	#undef pipe
		66
		67	#else
		68
		69	#include <sys/time.h>
		70	#include <sys/select.h>
		71	#include <unistd.h>
		72	#include <utime.h>
		73	#include <signal.h>
		74
		75	#endif
		76
76	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
77		78
78	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	80	#if IVSIZE >= 8
		81	# define VAL64 IV
80	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
81	#else	84	#else
		85	# define VAL64 NV
82	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
83	#endif	88	#endif
84		89
85	/*****************************************************************************/	90	/*****************************************************************************/
86		91
87	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
95		100
96	/*****************************************************************************/	101	/*****************************************************************************/
97		102
98	static HV *stash;
99	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 */
100		106
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		108
104	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
105	SV *callback; \	110	SV *callback; \
106	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
107	STRLEN stroffset; \	113	STRLEN stroffset; \
108	SV *self;	114	SV *self;
109		115
110	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
111		117
		118	#include "libeio/config.h"
112	#include "libeio/eio.h"	119	#include "libeio/eio.h"
113		120
114	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
116	static void aio_grp_feed (eio_req *grp);
117	#define EIO_FEED(req) aio_grp_feed (req)
118	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
119	#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
120		328
121	enum {	329	enum {
122	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
123	};	331	};
124		332
125	#include "libeio/eio.c"
126
127	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
128	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
129		336
130	static SV *on_next_submit;	337	static SV *on_next_submit;
131	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
132	static int max_outstanding;	339	static int max_outstanding;
133		340
134	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
135		342
136	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
137	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
138		345
139	static void want_poll (void)	346	static void
		347	want_poll (void)
140	{	348	{
141	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
142	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	350	s_epipe_signal (&respipe);
143	}	351	}
144		352
145	static void done_poll (void)	353	static void
		354	done_poll (void)
146	{	355	{
147	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
148	char buf [4];	357	s_epipe_drain (&respipe);
149	while (respipe_read (respipe [0], buf, 4) == 4)
150	;
151	}	358	}
152		359
153	/* must be called at most once */	360	/* must be called at most once */
154	static SV *req_sv (aio_req req, const char *klass)	361	static SV *
		362	req_sv (aio_req req, HV *stash)
155	{	363	{
156	if (!req->self)	364	if (!req->self)
157	{	365	{
158	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
159	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
160	}	368	}
161		369
162	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
163	}	371	}
164		372
165	static aio_req SvAIO_REQ (SV *sv)	373	static SV *
		374	newSVaio_wd (aio_wd wd)
		375	{
		376	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		377	}
		378
		379	static aio_req
		380	SvAIO_REQ (SV *sv)
166	{	381	{
167	MAGIC *mg;	382	MAGIC *mg;
168		383
169	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	384	if (!SvROK (sv)
		385	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		386	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		387	&& SvSTASH (SvRV (sv)) != aio_req_stash
		388	&& !sv_derived_from (sv, "IO::AIO::REQ")))
170	croak ("object of class " AIO_REQ_KLASS " expected");	389	croak ("object of class IO::AIO::REQ expected");
171		390
172	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	391	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
173		392
174	return mg ? (aio_req)mg->mg_ptr : 0;	393	return mg ? (aio_req)mg->mg_ptr : 0;
175	}	394	}
176		395
		396	static aio_wd
		397	SvAIO_WD (SV *sv)
		398	{
		399	if (!SvROK (sv)
		400	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		401	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		402	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		403
		404	return (aio_wd)(long)SvIVX (SvRV (sv));
		405	}
		406
		407	static void
177	static void aio_grp_feed (aio_req grp)	408	aio_grp_feed (aio_req grp)
178	{	409	{
179	if (grp->sv2 && SvOK (grp->sv2))	410	if (grp->sv2 && SvOK (grp->sv2))
180	{	411	{
181	dSP;	412	dSP;
182		413
183	ENTER;	414	ENTER;
184	SAVETMPS;	415	SAVETMPS;
185	PUSHMARK (SP);	416	PUSHMARK (SP);
186	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	417	XPUSHs (req_sv (grp, aio_grp_stash));
187	PUTBACK;	418	PUTBACK;
188	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	419	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
189	SPAGAIN;	420	SPAGAIN;
190	FREETMPS;	421	FREETMPS;
191	LEAVE;	422	LEAVE;
192	}	423	}
193	}	424	}
194		425
		426	static void
195	static void req_submit (eio_req *req)	427	req_submit (eio_req *req)
196	{	428	{
197	eio_submit (req);	429	eio_submit (req);
198		430
199	if (expect_false (on_next_submit))	431	if (expect_false (on_next_submit))
200	{	432	{
…		…
207	PUTBACK;	439	PUTBACK;
208	call_sv (cb, G_DISCARD | G_EVAL);	440	call_sv (cb, G_DISCARD | G_EVAL);
209	}	441	}
210	}	442	}
211		443
		444	static int
212	static int req_invoke (eio_req *req)	445	req_invoke (eio_req *req)
213	{	446	{
214	dSP;
215
216	if (req->flags & FLAG_SV2_RO_OFF)	447	if (req->flags & FLAG_SV2_RO_OFF)
217	SvREADONLY_off (req->sv2);	448	SvREADONLY_off (req->sv2);
218		449
219	if (!EIO_CANCELLED (req) && req->callback)	450	if (!EIO_CANCELLED (req) && req->callback)
220	{	451	{
		452	dSP;
		453	static SV *sv_result_cache; /* caches the result integer SV */
		454	SV *sv_result;
		455
221	ENTER;	456	ENTER;
222	SAVETMPS;	457	SAVETMPS;
223	PUSHMARK (SP);	458	PUSHMARK (SP);
224	EXTEND (SP, 1);	459	EXTEND (SP, 1);
225		460
		461	/* do not recreate the result IV from scratch each time */
		462	if (expect_true (sv_result_cache))
		463	{
		464	sv_result = sv_result_cache; sv_result_cache = 0;
		465	SvIV_set (sv_result, req->result);
		466	SvIOK_only (sv_result);
		467	}
		468	else
		469	{
		470	sv_result = newSViv (req->result);
		471	SvREADONLY_on (sv_result);
		472	}
		473
226	switch (req->type)	474	switch (req->type)
227	{	475	{
		476	case EIO_WD_OPEN:
		477	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		478	break;
		479
228	case EIO_READDIR:	480	case EIO_READDIR:
229	{	481	{
230	SV *rv = &PL_sv_undef;	482	SV *rv = &PL_sv_undef;
231		483
232	if (req->result >= 0)	484	if (req->result >= 0)
233	{	485	{
234	int i;	486	int i;
235	char *buf = req->ptr2;	487	char *names = (char *)req->ptr2;
		488	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
236	AV *av = newAV ();	489	AV *av = newAV ();
237		490
238	av_extend (av, req->result - 1);	491	av_extend (av, req->result - 1);
239		492
240	for (i = 0; i < req->result; ++i)	493	for (i = 0; i < req->result; ++i)
241	{	494	{
242	SV *sv = newSVpv (buf, 0);	495	if (req->int1 & EIO_READDIR_DENTS)
		496	{
		497	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
243		498
		499	if (req->int1 & EIO_READDIR_CUSTOM2)
		500	{
		501	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		502	AV *avent = newAV ();
		503
		504	av_extend (avent, 2);
		505
		506	if (!sv_type [ent->type])
		507	{
		508	sv_type [ent->type] = newSViv (ent->type);
		509	SvREADONLY_on (sv_type [ent->type]);
		510	}
		511
		512	av_store (avent, 0, namesv);
		513	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		514	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		515
		516	av_store (av, i, newRV_noinc ((SV *)avent));
		517	}
		518	else
244	av_store (av, i, sv);	519	av_store (av, i, namesv);
		520
		521	++ent;
		522	}
		523	else
		524	{
		525	SV *name = newSVpv (names, 0);
		526	av_store (av, i, name);
245	buf += SvCUR (sv) + 1;	527	names += SvCUR (name) + 1;
		528	}
246	}	529	}
247		530
248	rv = sv_2mortal (newRV_noinc ((SV *)av));	531	rv = sv_2mortal (newRV_noinc ((SV *)av));
249	}	532	}
250		533
251	PUSHs (rv);	534	PUSHs (rv);
		535
		536	if (req->int1 & EIO_READDIR_CUSTOM1)
		537	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
252	}	538	}
253	break;	539	break;
254		540
255	case EIO_OPEN:	541	case EIO_OPEN:
256	{	542	{
…		…
262	GV *gv = (GV *)sv_newmortal ();	548	GV *gv = (GV *)sv_newmortal ();
263	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	549	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
264	char sym [64];	550	char sym [64];
265	int symlen;	551	int symlen;
266		552
267	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	553	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
268	gv_init (gv, stash, sym, symlen, 0);	554	gv_init (gv, aio_stash, sym, symlen, 0);
269		555
270	symlen = snprintf (	556	symlen = snprintf (
271	sym,	557	sym,
272	sizeof (sym),	558	sizeof (sym),
273	"%s&=%d",	559	"%s&=%d",
274	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	560	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
275	req->result	561	(int)req->result
276	);	562	);
277		563
278	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	564	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
279	fh = (SV *)gv;	565	fh = (SV *)gv;
280	}	566	}
281		567
282	PUSHs (fh);	568	PUSHs (fh);
283	}	569	}
		570	break;
		571
		572	case EIO_STATVFS:
		573	case EIO_FSTATVFS:
		574	{
		575	SV *rv = &PL_sv_undef;
		576
		577	#ifndef _WIN32
		578	if (req->result >= 0)
		579	{
		580	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		581	HV *hv = newHV ();
		582
		583	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		584
		585	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		586	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		587	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		588	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		589	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		590	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		591	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		592	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		593	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		594	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		595	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		596	}
		597	#endif
		598
		599	PUSHs (rv);
		600	}
		601
284	break;	602	break;
285		603
286	case EIO_GROUP:	604	case EIO_GROUP:
287	req->int1 = 2; /* mark group as finished */	605	req->int1 = 2; /* mark group as finished */
288		606
…		…
300	case EIO_NOP:	618	case EIO_NOP:
301	case EIO_BUSY:	619	case EIO_BUSY:
302	break;	620	break;
303		621
304	case EIO_READLINK:	622	case EIO_READLINK:
		623	case EIO_REALPATH:
305	if (req->result > 0)	624	if (req->result > 0)
306	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	625	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
307	break;	626	break;
308		627
309	case EIO_STAT:	628	case EIO_STAT:
310	case EIO_LSTAT:	629	case EIO_LSTAT:
311	case EIO_FSTAT:	630	case EIO_FSTAT:
312	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	631	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		632
313	PL_laststatval = req->result;	633	if (!(PL_laststatval = req->result))
		634	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
314	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	635	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
315	PUSHs (sv_2mortal (newSViv (req->result)));	636
		637	PUSHs (sv_result);
316	break;	638	break;
317		639
318	case EIO_READ:	640	case EIO_READ:
		641	{
319	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	642	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
320	*SvEND (req->sv2) = 0;	643	*SvEND (req->sv2) = 0;
321	PUSHs (sv_2mortal (newSViv (req->result)));	644	SvPOK_only (req->sv2);
		645	SvSETMAGIC (req->sv2);
		646	PUSHs (sv_result);
		647	}
322	break;	648	break;
323		649
324	case EIO_DUP2:	650	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
325	if (req->result > 0)	651	if (req->result > 0)
326	req->result = 0;	652	SvIV_set (sv_result, 0);
327	/* FALLTHROUGH */	653	/* FALLTHROUGH */
328		654
329	default:	655	default:
330	PUSHs (sv_2mortal (newSViv (req->result)));	656	PUSHs (sv_result);
331	break;	657	break;
332	}	658	}
333		659
334	errno = req->errorno;	660	errno = req->errorno;
335		661
336	PUTBACK;	662	PUTBACK;
337	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	663	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
338	SPAGAIN;	664	SPAGAIN;
339		665
		666	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		667	SvREFCNT_dec (sv_result);
		668	else
		669	sv_result_cache = sv_result;
		670
340	FREETMPS;	671	FREETMPS;
341	LEAVE;	672	LEAVE;
342		673
343	PUTBACK;	674	PUTBACK;
344	}	675	}
345		676
346	return !!SvTRUE (ERRSV);	677	return !!SvTRUE (ERRSV);
347	}	678	}
348		679
		680	static void
349	static void req_destroy (aio_req req)	681	req_destroy (aio_req req)
350	{	682	{
351	if (req->self)	683	if (req->self)
352	{	684	{
353	sv_unmagic (req->self, PERL_MAGIC_ext);	685	sv_unmagic (req->self, PERL_MAGIC_ext);
354	SvREFCNT_dec (req->self);	686	SvREFCNT_dec (req->self);
355	}	687	}
356		688
357	SvREFCNT_dec (req->sv1);	689	SvREFCNT_dec (req->sv1);
358	SvREFCNT_dec (req->sv2);	690	SvREFCNT_dec (req->sv2);
		691	SvREFCNT_dec (req->sv3);
		692	SvREFCNT_dec (req->sv4);
359	SvREFCNT_dec (req->callback);	693	SvREFCNT_dec (req->callback);
360		694
361	Safefree (req);	695	free (req);
362	}	696	}
363		697
		698	static void
364	static void req_cancel_subs (aio_req grp)	699	req_cancel_subs (aio_req grp)
365	{	700	{
366	aio_req sub;
367
368	if (grp->type != EIO_GROUP)	701	if (grp->type != EIO_GROUP)
369	return;	702	return;
370		703
371	SvREFCNT_dec (grp->sv2);	704	SvREFCNT_dec (grp->sv2);
372	grp->sv2 = 0;	705	grp->sv2 = 0;
373		706
374	eio_grp_cancel (grp);	707	eio_grp_cancel (grp);
375	}	708	}
376		709
377	#ifdef USE_SOCKETS_AS_HANDLES	710	static void ecb_cold
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))	711	create_respipe (void)
379	#else	712	{
380	# define TO_SOCKET(x) (x)	713	if (s_epipe_renew (&respipe))
381	#endif	714	croak ("IO::AIO: unable to initialize result pipe");
		715	}
382		716
383	static void	717	static void
384	create_respipe (void)	718	poll_wait (void)
385	{	719	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))
395	#endif
396	croak ("unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}
420
421	static void poll_wait (void)
422	{
423	fd_set rfd;
424
425	while (eio_nreqs ())	720	while (eio_nreqs ())
426	{	721	{
427	int size;	722	int size;
428		723
429	X_LOCK (reslock);	724	X_LOCK (reslock);
…		…
433	if (size)	728	if (size)
434	return;	729	return;
435		730
436	etp_maybe_start_thread ();	731	etp_maybe_start_thread ();
437		732
438	FD_ZERO (&rfd);	733	s_epipe_wait (&respipe);
439	FD_SET (respipe [0], &rfd);
440
441	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
442	}	734	}
443	}	735	}
444		736
445	static int poll_cb (void)	737	static int
		738	poll_cb (void)
446	{	739	{
447	for (;;)	740	for (;;)
448	{	741	{
449	int res = eio_poll ();	742	int res = eio_poll ();
450		743
…		…
456		749
457	poll_wait ();	750	poll_wait ();
458	}	751	}
459	}	752	}
460		753
461	static void atfork_child (void)	754	static void ecb_cold
		755	reinit (void)
462	{	756	{
463	create_respipe ();	757	create_respipe ();
		758
		759	if (eio_init (want_poll, done_poll) < 0)
		760	croak ("IO::AIO: unable to initialise eio library");
464	}	761	}
		762
		763	/*****************************************************************************/
		764
		765	#if !_POSIX_MAPPED_FILES
		766	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		767	# define munmap(addr,length) (errno = ENOSYS, -1)
		768	#endif
		769
		770	#if !_POSIX_MEMORY_PROTECTION
		771	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		772	# define PROT_NONE 0
		773	# define PROT_WRITE 0
		774	# define MAP_PRIVATE 0
		775	# define MAP_SHARED 0
		776	# define MAP_FIXED 0
		777	#endif
		778
		779	#define MMAP_MAGIC PERL_MAGIC_ext
		780
		781	static int ecb_cold
		782	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		783	{
		784	int old_errno = errno;
		785	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		786	errno = old_errno;
		787
		788	mg->mg_obj = 0; /* just in case */
		789
		790	SvREADONLY_off (sv);
		791
		792	if (SvPVX (sv) != mg->mg_ptr)
		793	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		794
		795	SvCUR_set (sv, 0);
		796	SvPVX (sv) = 0;
		797	SvOK_off (sv);
		798
		799	return 0;
		800	}
		801
		802	static MGVTBL mmap_vtbl = {
		803	0, 0, 0, 0, mmap_free
		804	};
		805
		806	/*****************************************************************************/
465		807
466	static SV *	808	static SV *
467	get_cb (SV *cb_sv)	809	get_cb (SV *cb_sv)
468	{	810	{
469	HV *st;	811	SvGETMAGIC (cb_sv);
470	GV *gvp;	812	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		813	}
		814
		815	static aio_req ecb_noinline
		816	dreq (SV *callback)
		817	{
471	CV *cv;	818	SV *cb_cv;
		819	aio_req req;
		820	int req_pri = next_pri;
		821	next_pri = EIO_PRI_DEFAULT;
472		822
473	if (!SvOK (cb_sv))	823	cb_cv = get_cb (callback);
		824
		825	req = calloc (sizeof (*req), 1);
		826	if (!req)
		827	croak ("out of memory during eio_req allocation");
		828
		829	req->callback = SvREFCNT_inc (cb_cv);
		830	req->pri = req_pri;
		831
474	return 0;	832	return req;
475
476	cv = sv_2cv (cb_sv, &st, &gvp, 0);
477
478	if (!cv)
479	croak ("IO::AIO callback must be undef or a CODE reference");
480
481	return (SV *)cv;
482	}	833	}
483		834
484	#define dREQ \	835	#define dREQ \
485	SV *cb_cv; \	836	aio_req req = dreq (callback); \
486	aio_req req; \
487	int req_pri = next_pri; \
488	next_pri = EIO_PRI_DEFAULT; \
489	\
490	cb_cv = get_cb (callback); \
491	\
492	Newz (0, req, 1, eio_req); \
493	if (!req) \
494	croak ("out of memory during eio_req allocation"); \
495	\
496	req->callback = SvREFCNT_inc (cb_cv); \
497	req->pri = req_pri
498		837
499	#define REQ_SEND \	838	#define REQ_SEND \
500	PUTBACK; \	839	PUTBACK; \
501	req_submit (req); \	840	req_submit (req); \
502	SPAGAIN; \	841	SPAGAIN; \
503	\	842	\
504	if (GIMME_V != G_VOID) \	843	if (GIMME_V != G_VOID) \
505	XPUSHs (req_sv (req, AIO_REQ_KLASS));	844	XPUSHs (req_sv (req, aio_req_stash));
506		845
		846	ecb_inline void
		847	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		848	{
		849	if (expect_false (SvROK (path)))
		850	{
		851	SV *rv = SvRV (path);
		852	SV *wdob;
		853
		854	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		855	{
		856	path = AvARRAY (rv)[1];
		857	wdob = AvARRAY (rv)[0];
		858
		859	if (SvOK (wdob))
		860	{
		861	*wd = SvAIO_WD (wdob);
		862	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		863	}
		864	else
		865	*wd = EIO_INVALID_WD;
		866	}
		867	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		868	{
		869	*wd = SvIVX (rv);
		870	*wdsv = SvREFCNT_inc_NN (rv);
		871	*ptr = ".";
		872	return; /* path set to "." */
		873	}
		874	else
		875	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		876	}
		877
		878	*pathsv = newSVsv (path);
		879	*ptr = SvPVbyte_nolen (*pathsv);
		880	}
		881
		882	static void ecb_noinline
		883	req_set_path1 (aio_req req, SV *path)
		884	{
		885	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		886	}
		887
		888	static void ecb_noinline
		889	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		890	{
		891	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		892
		893	switch (SvTYPE (rv))
		894	{
		895	case SVt_PVIO:
		896	case SVt_PVLV:
		897	case SVt_PVGV:
		898	req->type = type_fh;
		899	req->sv1 = newSVsv (fh_or_path);
		900	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		901	break;
		902
		903	default:
		904	req->type = type_path;
		905	req_set_path1 (req, fh_or_path);
		906	break;
		907	}
		908	}
		909
		910	XS(boot_IO__AIO) ecb_cold;
		911
507	MODULE = IO::AIO PACKAGE = IO::AIO	912	MODULE = IO::AIO PACKAGE = IO::AIO
508		913
509	PROTOTYPES: ENABLE	914	PROTOTYPES: ENABLE
510		915
511	BOOT:	916	BOOT:
512	{	917	{
		918	static const struct {
		919	const char *name;
		920	IV iv;
		921	} *civ, const_iv[] = {
		922	# define const_niv(name, value) { # name, (IV) value },
		923	# define const_iv(name) { # name, (IV) name },
		924	# define const_eio(name) { # name, (IV) EIO_ ## name },
		925	const_iv (EXDEV)
		926	const_iv (ENOSYS)
		927	const_iv (O_RDONLY)
		928	const_iv (O_WRONLY)
		929	const_iv (O_RDWR)
		930	const_iv (O_CREAT)
		931	const_iv (O_TRUNC)
		932	const_iv (O_EXCL)
		933	const_iv (O_APPEND)
		934
		935	const_iv (O_ASYNC)
		936	const_iv (O_DIRECT)
		937	const_iv (O_NOATIME)
		938
		939	const_iv (O_CLOEXEC)
		940	const_iv (O_NOCTTY)
		941	const_iv (O_NOFOLLOW)
		942	const_iv (O_NONBLOCK)
		943	const_iv (O_EXEC)
		944	const_iv (O_SEARCH)
		945	const_iv (O_DIRECTORY)
		946	const_iv (O_DSYNC)
		947	const_iv (O_RSYNC)
		948	const_iv (O_SYNC)
		949	const_iv (O_TTY_INIT)
		950
		951	const_iv (S_IFIFO)
		952	const_iv (S_IFCHR)
		953	const_iv (S_IFBLK)
		954	const_iv (S_IFLNK)
		955	const_iv (S_IFREG)
		956	const_iv (S_IFDIR)
		957	const_iv (S_IFWHT)
		958	const_iv (S_IFSOCK)
		959	const_iv (S_IFMT)
		960
		961	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		962	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		963	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		964	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		965	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		966	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		967
		968	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		969	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		970	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		971	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		972	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		973
		974	const_iv (ST_RDONLY)
		975	const_iv (ST_NOSUID)
		976	const_iv (ST_NODEV)
		977	const_iv (ST_NOEXEC)
		978	const_iv (ST_SYNCHRONOUS)
		979	const_iv (ST_MANDLOCK)
		980	const_iv (ST_WRITE)
		981	const_iv (ST_APPEND)
		982	const_iv (ST_IMMUTABLE)
		983	const_iv (ST_NOATIME)
		984	const_iv (ST_NODIRATIME)
		985	const_iv (ST_RELATIME)
		986
		987	const_iv (PROT_NONE)
		988	const_iv (PROT_EXEC)
		989	const_iv (PROT_READ)
		990	const_iv (PROT_WRITE)
		991
		992	/*const_iv (MAP_FIXED)*/
		993	const_iv (MAP_PRIVATE)
		994	const_iv (MAP_SHARED)
		995	const_iv (MAP_ANONYMOUS)
		996
		997	/* linuxish */
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_LOCKED)
		1000	const_iv (MAP_NORESERVE)
		1001	const_iv (MAP_POPULATE)
		1002	const_iv (MAP_NONBLOCK)
		1003
		1004	const_eio (MCL_FUTURE)
		1005	const_eio (MCL_CURRENT)
		1006
		1007	const_eio (MS_ASYNC)
		1008	const_eio (MS_INVALIDATE)
		1009	const_eio (MS_SYNC)
		1010
		1011	const_eio (MT_MODIFY)
		1012
		1013	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		1014	const_eio (SYNC_FILE_RANGE_WRITE)
		1015	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1016
		1017	const_eio (FALLOC_FL_KEEP_SIZE)
		1018
		1019	const_eio (READDIR_DENTS)
		1020	const_eio (READDIR_DIRS_FIRST)
		1021	const_eio (READDIR_STAT_ORDER)
		1022	const_eio (READDIR_FOUND_UNKNOWN)
		1023
		1024	const_eio (DT_UNKNOWN)
		1025	const_eio (DT_FIFO)
		1026	const_eio (DT_CHR)
		1027	const_eio (DT_DIR)
		1028	const_eio (DT_BLK)
		1029	const_eio (DT_REG)
		1030	const_eio (DT_LNK)
		1031	const_eio (DT_SOCK)
		1032	const_eio (DT_WHT)
		1033	};
		1034
513	stash = gv_stashpv ("IO::AIO", 1);	1035	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1036	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1037	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1038	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
514		1039
515	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1040	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
516	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1041	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
517	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
518	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
519	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
520	#ifndef _WIN32
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
522	#endif
523		1042
524	create_respipe ();	1043	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
525		1044
526	if (eio_init (want_poll, done_poll) < 0)	1045	reinit ();
527	croak ("IO::AIO: unable to initialise eio library");
528
529	/* atfork child called in fifo order, so before eio's handler */
530	X_THREAD_ATFORK (0, 0, atfork_child);
531	}	1046	}
532		1047
533	void	1048	void
		1049	reinit ()
		1050	PROTOTYPE:
		1051
		1052	void
534	max_poll_reqs (int nreqs)	1053	max_poll_reqs (unsigned int nreqs)
535	PROTOTYPE: $	1054	PROTOTYPE: $
536	CODE:	1055	CODE:
537	eio_set_max_poll_reqs (nreqs);	1056	eio_set_max_poll_reqs (nreqs);
538		1057
539	void	1058	void
…		…
541	PROTOTYPE: $	1060	PROTOTYPE: $
542	CODE:	1061	CODE:
543	eio_set_max_poll_time (nseconds);	1062	eio_set_max_poll_time (nseconds);
544		1063
545	void	1064	void
546	min_parallel (int nthreads)	1065	min_parallel (unsigned int nthreads)
547	PROTOTYPE: $	1066	PROTOTYPE: $
548	CODE:	1067	CODE:
549	eio_set_min_parallel (nthreads);	1068	eio_set_min_parallel (nthreads);
550		1069
551	void	1070	void
552	max_parallel (int nthreads)	1071	max_parallel (unsigned int nthreads)
553	PROTOTYPE: $	1072	PROTOTYPE: $
554	CODE:	1073	CODE:
555	eio_set_max_parallel (nthreads);	1074	eio_set_max_parallel (nthreads);
556		1075
557	void	1076	void
558	max_idle (int nthreads)	1077	max_idle (unsigned int nthreads)
559	PROTOTYPE: $	1078	PROTOTYPE: $
560	CODE:	1079	CODE:
561	eio_set_max_idle (nthreads);	1080	eio_set_max_idle (nthreads);
562		1081
563	void	1082	void
		1083	idle_timeout (unsigned int seconds)
		1084	PROTOTYPE: $
		1085	CODE:
		1086	eio_set_idle_timeout (seconds);
		1087
		1088	void
564	max_outstanding (int maxreqs)	1089	max_outstanding (unsigned int maxreqs)
565	PROTOTYPE: $	1090	PROTOTYPE: $
566	CODE:	1091	CODE:
567	max_outstanding = maxreqs;	1092	max_outstanding = maxreqs;
568		1093
569	void	1094	void
		1095	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1096	PPCODE:
		1097	{
		1098	dREQ;
		1099
		1100	req->type = EIO_WD_OPEN;
		1101	req_set_path1 (req, pathname);
		1102
		1103	REQ_SEND;
		1104	}
		1105
		1106	void
570	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1107	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
571	PROTOTYPE: $$$;$
572	PPCODE:	1108	PPCODE:
573	{	1109	{
574	dREQ;	1110	dREQ;
575		1111
576	req->type = EIO_OPEN;	1112	req->type = EIO_OPEN;
577	req->sv1 = newSVsv (pathname);	1113	req_set_path1 (req, pathname);
578	req->ptr1 = SvPVbyte_nolen (req->sv1);
579	req->int1 = flags;	1114	req->int1 = flags;
580	req->int2 = mode;	1115	req->int2 = mode;
581		1116
582	REQ_SEND;	1117	REQ_SEND;
583	}	1118	}
584		1119
585	void	1120	void
586	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1121	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
587	PROTOTYPE: $;$
588	ALIAS:	1122	ALIAS:
589	aio_fsync = EIO_FSYNC	1123	aio_fsync = EIO_FSYNC
590	aio_fdatasync = EIO_FDATASYNC	1124	aio_fdatasync = EIO_FDATASYNC
		1125	aio_syncfs = EIO_SYNCFS
591	PPCODE:	1126	PPCODE:
592	{	1127	{
		1128	int fd = s_fileno_croak (fh, 0);
593	dREQ;	1129	dREQ;
594		1130
595	req->type = ix;	1131	req->type = ix;
596	req->sv1 = newSVsv (fh);	1132	req->sv1 = newSVsv (fh);
597	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1133	req->int1 = fd;
598		1134
599	REQ_SEND (req);	1135	REQ_SEND (req);
600	}	1136	}
601		1137
602	void	1138	void
		1139	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1140	PPCODE:
		1141	{
		1142	int fd = s_fileno_croak (fh, 0);
		1143	dREQ;
		1144
		1145	req->type = EIO_SYNC_FILE_RANGE;
		1146	req->sv1 = newSVsv (fh);
		1147	req->int1 = fd;
		1148	req->offs = offset;
		1149	req->size = nbytes;
		1150	req->int2 = flags;
		1151
		1152	REQ_SEND (req);
		1153	}
		1154
		1155	void
		1156	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1157	PPCODE:
		1158	{
		1159	int fd = s_fileno_croak (fh, 0);
		1160	dREQ;
		1161
		1162	req->type = EIO_FALLOCATE;
		1163	req->sv1 = newSVsv (fh);
		1164	req->int1 = fd;
		1165	req->int2 = mode;
		1166	req->offs = offset;
		1167	req->size = len;
		1168
		1169	REQ_SEND (req);
		1170	}
		1171
		1172	void
603	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1173	aio_close (SV *fh, SV *callback=&PL_sv_undef)
604	PROTOTYPE: $;$
605	PPCODE:	1174	PPCODE:
606	{	1175	{
607	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1176	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1177	int fd = s_fileno_croak (fh, 0);
608	dREQ;	1178	dREQ;
609		1179
610	if (close_pipe < 0)	1180	if (expect_false (close_fd < 0))
611	{	1181	{
612	int pipefd [2];	1182	int pipefd [2];
613		1183
		1184	if (
		1185	#ifdef _WIN32
		1186	_pipe (pipefd, 1, _O_BINARY) < 0
		1187	#else
614	if (pipe (pipefd) < 0	1188	pipe (pipefd) < 0
615	|| close (pipefd [1]) < 0
616	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1189	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1190	#endif
		1191	|| close (pipefd [1]) < 0
		1192	)
617	abort (); /*D*/	1193	abort (); /*D*/
618		1194
619	close_pipe = pipefd [0];	1195	close_fd = pipefd [0];
620	}	1196	}
621		1197
622	req->type = EIO_DUP2;	1198	req->type = EIO_DUP2;
623	req->int1 = close_pipe;	1199	req->int1 = close_fd;
624	req->sv2 = newSVsv (fh);	1200	req->sv2 = newSVsv (fh);
625	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1201	req->int2 = fd;
626		1202
627	REQ_SEND (req);	1203	REQ_SEND (req);
628	}	1204	}
629		1205
630	void	1206	void
631	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1207	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
632	ALIAS:	1208	ALIAS:
633	aio_read = EIO_READ	1209	aio_read = EIO_READ
634	aio_write = EIO_WRITE	1210	aio_write = EIO_WRITE
635	PROTOTYPE: $$$$$;$
636	PPCODE:	1211	PPCODE:
637	{	1212	{
638	STRLEN svlen;	1213	STRLEN svlen;
		1214	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
639	char *svptr = SvPVbyte (data, svlen);	1215	char *svptr = SvPVbyte (data, svlen);
640	UV len = SvUV (length);	1216	UV len = SvUV (length);
641
642	SvUPGRADE (data, SVt_PV);
643	SvPOK_on (data);
644		1217
645	if (dataoffset < 0)	1218	if (dataoffset < 0)
646	dataoffset += svlen;	1219	dataoffset += svlen;
647		1220
648	if (dataoffset < 0 || dataoffset > svlen)	1221	if (dataoffset < 0 || dataoffset > svlen)
…		…
654	if (!SvOK (length) || len + dataoffset > svlen)	1227	if (!SvOK (length) || len + dataoffset > svlen)
655	len = svlen - dataoffset;	1228	len = svlen - dataoffset;
656	}	1229	}
657	else	1230	else
658	{	1231	{
659	/* read: grow scalar as necessary */	1232	/* read: check type and grow scalar as necessary */
		1233	SvUPGRADE (data, SVt_PV);
660	svptr = SvGROW (data, len + dataoffset + 1);	1234	svptr = SvGROW (data, len + dataoffset + 1);
661	}	1235	}
662		1236
663	if (len < 0)
664	croak ("length must not be negative");
665
666	{	1237	{
667	dREQ;	1238	dREQ;
668		1239
669	req->type = ix;	1240	req->type = ix;
670	req->sv1 = newSVsv (fh);	1241	req->sv1 = newSVsv (fh);
671	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1242	req->int1 = fd;
672	: IoOFP (sv_2io (fh)));
673	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1243	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
674	req->size = len;	1244	req->size = len;
675	req->sv2 = SvREFCNT_inc (data);	1245	req->sv2 = SvREFCNT_inc (data);
676	req->ptr2 = (char *)svptr + dataoffset;	1246	req->ptr2 = (char *)svptr + dataoffset;
677	req->stroffset = dataoffset;	1247	req->stroffset = dataoffset;
…		…
685	REQ_SEND;	1255	REQ_SEND;
686	}	1256	}
687	}	1257	}
688		1258
689	void	1259	void
690	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1260	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
691	PROTOTYPE: $$;$	1261	ALIAS:
		1262	aio_readlink = EIO_READLINK
		1263	aio_realpath = EIO_REALPATH
692	PPCODE:	1264	PPCODE:
693	{	1265	{
694	SV *data;
695	dREQ;	1266	dREQ;
696		1267
697	req->type = EIO_READLINK;	1268	req->type = ix;
698	req->sv1 = newSVsv (path);	1269	req_set_path1 (req, pathname);
699	req->ptr1 = SvPVbyte_nolen (req->sv1);
700		1270
701	REQ_SEND;	1271	REQ_SEND;
702	}	1272	}
703		1273
704	void	1274	void
705	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1275	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
706	PROTOTYPE: $$$$;$
707	PPCODE:	1276	PPCODE:
708	{	1277	{
		1278	int ifd = s_fileno_croak (in_fh , 0);
		1279	int ofd = s_fileno_croak (out_fh, 1);
709	dREQ;	1280	dREQ;
710		1281
711	req->type = EIO_SENDFILE;	1282	req->type = EIO_SENDFILE;
712	req->sv1 = newSVsv (out_fh);	1283	req->sv1 = newSVsv (out_fh);
713	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1284	req->int1 = ofd;
714	req->sv2 = newSVsv (in_fh);	1285	req->sv2 = newSVsv (in_fh);
715	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1286	req->int2 = ifd;
716	req->offs = SvVAL64 (in_offset);	1287	req->offs = in_offset;
717	req->size = length;	1288	req->size = length;
718		1289
719	REQ_SEND;	1290	REQ_SEND;
720	}	1291	}
721		1292
722	void	1293	void
723	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1294	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
724	PROTOTYPE: $$$;$
725	PPCODE:	1295	PPCODE:
726	{	1296	{
		1297	int fd = s_fileno_croak (fh, 0);
727	dREQ;	1298	dREQ;
728		1299
729	req->type = EIO_READAHEAD;	1300	req->type = EIO_READAHEAD;
730	req->sv1 = newSVsv (fh);	1301	req->sv1 = newSVsv (fh);
731	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1302	req->int1 = fd;
732	req->offs = SvVAL64 (offset);	1303	req->offs = offset;
733	req->size = length;	1304	req->size = length;
734		1305
735	REQ_SEND;	1306	REQ_SEND;
736	}	1307	}
737		1308
738	void	1309	void
739	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1310	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
740	ALIAS:	1311	ALIAS:
741	aio_stat = EIO_STAT	1312	aio_stat = EIO_STAT
742	aio_lstat = EIO_LSTAT	1313	aio_lstat = EIO_LSTAT
		1314	aio_statvfs = EIO_STATVFS
743	PPCODE:	1315	PPCODE:
744	{	1316	{
745	dREQ;	1317	dREQ;
746		1318
747	req->sv1 = newSVsv (fh_or_path);	1319	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
748
749	if (SvPOK (req->sv1))
750	{
751	req->type = ix;
752	req->ptr1 = SvPVbyte_nolen (req->sv1);
753	}
754	else
755	{
756	req->type = EIO_FSTAT;
757	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
758	}
759		1320
760	REQ_SEND;	1321	REQ_SEND;
761	}	1322	}
		1323
		1324	UV
		1325	major (UV dev)
		1326	ALIAS:
		1327	minor = 1
		1328	CODE:
		1329	RETVAL = ix ? major (dev) : minor (dev);
		1330	OUTPUT:
		1331	RETVAL
		1332
		1333	UV
		1334	makedev (UV maj, UV min)
		1335	CODE:
		1336	RETVAL = makedev (maj, min);
		1337	OUTPUT:
		1338	RETVAL
762		1339
763	void	1340	void
764	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1341	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
765	PPCODE:	1342	PPCODE:
766	{	1343	{
767	dREQ;	1344	dREQ;
768		1345
769	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1346	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
770	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1347	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
771	req->sv1 = newSVsv (fh_or_path);	1348	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
772
773	if (SvPOK (req->sv1))
774	{
775	req->type = EIO_UTIME;
776	req->ptr1 = SvPVbyte_nolen (req->sv1);
777	}
778	else
779	{
780	req->type = EIO_FUTIME;
781	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
782	}
783		1349
784	REQ_SEND;	1350	REQ_SEND;
785	}	1351	}
786		1352
787	void	1353	void
788	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1354	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
789	PPCODE:	1355	PPCODE:
790	{	1356	{
791	dREQ;	1357	dREQ;
792		1358
793	req->sv1 = newSVsv (fh_or_path);
794	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1359	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
795		1360	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
796	if (SvPOK (req->sv1))
797	{
798	req->type = EIO_TRUNCATE;
799	req->ptr1 = SvPVbyte_nolen (req->sv1);
800	}
801	else
802	{
803	req->type = EIO_FTRUNCATE;
804	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
805	}
806		1361
807	REQ_SEND;	1362	REQ_SEND;
808	}	1363	}
809		1364
810	void	1365	void
811	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1366	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
812	ALIAS:
813	aio_chmod = EIO_CHMOD
814	aio_mkdir = EIO_MKDIR
815	PPCODE:	1367	PPCODE:
816	{	1368	{
817	dREQ;	1369	dREQ;
818		1370
819	req->int2 = mode;	1371	req->int2 = mode;
820	req->sv1 = newSVsv (fh_or_path);	1372	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
821
822	if (SvPOK (req->sv1))
823	{
824	req->type = ix;
825	req->ptr1 = SvPVbyte_nolen (req->sv1);
826	}
827	else
828	{
829	req->type = EIO_FCHMOD;
830	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
831	}
832		1373
833	REQ_SEND;	1374	REQ_SEND;
834	}	1375	}
835		1376
836	void	1377	void
…		…
839	{	1380	{
840	dREQ;	1381	dREQ;
841		1382
842	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1383	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
843	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1384	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
844	req->sv1 = newSVsv (fh_or_path);	1385	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
845		1386
846	if (SvPOK (req->sv1))	1387	REQ_SEND;
847	{	1388	}
		1389
		1390	void
		1391	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1392	PPCODE:
		1393	{
		1394	dREQ;
		1395
		1396	req->type = EIO_READDIR;
		1397	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1398
		1399	if (flags & EIO_READDIR_DENTS)
		1400	req->int1 |= EIO_READDIR_CUSTOM2;
		1401
		1402	req_set_path1 (req, pathname);
		1403
		1404	REQ_SEND;
		1405	}
		1406
		1407	void
		1408	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1409	PPCODE:
		1410	{
		1411	dREQ;
		1412
848	req->type = EIO_CHOWN;	1413	req->type = EIO_MKDIR;
849	req->ptr1 = SvPVbyte_nolen (req->sv1);	1414	req->int2 = mode;
850	}	1415	req_set_path1 (req, pathname);
851	else
852	{
853	req->type = EIO_FCHOWN;
854	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
855	}
856		1416
857	REQ_SEND;	1417	REQ_SEND;
858	}	1418	}
859		1419
860	void	1420	void
…		…
866	PPCODE:	1426	PPCODE:
867	{	1427	{
868	dREQ;	1428	dREQ;
869		1429
870	req->type = ix;	1430	req->type = ix;
871	req->sv1 = newSVsv (pathname);	1431	req_set_path1 (req, pathname);
872	req->ptr1 = SvPVbyte_nolen (req->sv1);
873		1432
874	REQ_SEND;	1433	REQ_SEND;
875	}	1434	}
876		1435
877	void	1436	void
…		…
881	aio_symlink = EIO_SYMLINK	1440	aio_symlink = EIO_SYMLINK
882	aio_rename = EIO_RENAME	1441	aio_rename = EIO_RENAME
883	PPCODE:	1442	PPCODE:
884	{	1443	{
885	dREQ;	1444	dREQ;
		1445	eio_wd wd2 = 0;
886		1446
887	req->type = ix;	1447	req->type = ix;
888	req->sv1 = newSVsv (oldpath);	1448	req_set_path1 (req, oldpath);
889	req->ptr1 = SvPVbyte_nolen (req->sv1);	1449	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
890	req->sv2 = newSVsv (newpath);	1450	req->int3 = (long)wd2;
891	req->ptr2 = SvPVbyte_nolen (req->sv2);
892		1451
893	REQ_SEND;	1452	REQ_SEND;
894	}	1453	}
895		1454
896	void	1455	void
…		…
898	PPCODE:	1457	PPCODE:
899	{	1458	{
900	dREQ;	1459	dREQ;
901		1460
902	req->type = EIO_MKNOD;	1461	req->type = EIO_MKNOD;
903	req->sv1 = newSVsv (pathname);
904	req->ptr1 = SvPVbyte_nolen (req->sv1);
905	req->int2 = (mode_t)mode;	1462	req->int2 = (mode_t)mode;
906	req->offs = dev;	1463	req->offs = dev;
		1464	req_set_path1 (req, pathname);
907		1465
908	REQ_SEND;	1466	REQ_SEND;
909	}	1467	}
910		1468
911	void	1469	void
		1470	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1471	ALIAS:
		1472	aio_mtouch = EIO_MTOUCH
		1473	aio_msync = EIO_MSYNC
		1474	PPCODE:
		1475	{
		1476	STRLEN svlen;
		1477	char *svptr = SvPVbyte (data, svlen);
		1478	UV len = SvUV (length);
		1479
		1480	if (offset < 0)
		1481	offset += svlen;
		1482
		1483	if (offset < 0 || offset > svlen)
		1484	croak ("offset outside of scalar");
		1485
		1486	if (!SvOK (length) || len + offset > svlen)
		1487	len = svlen - offset;
		1488
		1489	{
		1490	dREQ;
		1491
		1492	req->type = ix;
		1493	req->sv2 = SvREFCNT_inc (data);
		1494	req->ptr2 = (char *)svptr + offset;
		1495	req->size = len;
		1496	req->int1 = flags;
		1497
		1498	REQ_SEND;
		1499	}
		1500	}
		1501
		1502	void
		1503	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1504	PPCODE:
		1505	{
		1506	STRLEN svlen;
		1507	char *svptr = SvPVbyte (data, svlen);
		1508	UV len = SvUV (length);
		1509
		1510	if (offset < 0)
		1511	offset += svlen;
		1512
		1513	if (offset < 0 || offset > svlen)
		1514	croak ("offset outside of scalar");
		1515
		1516	if (!SvOK (length) || len + offset > svlen)
		1517	len = svlen - offset;
		1518
		1519	{
		1520	dREQ;
		1521
		1522	req->type = EIO_MLOCK;
		1523	req->sv2 = SvREFCNT_inc (data);
		1524	req->ptr2 = (char *)svptr + offset;
		1525	req->size = len;
		1526
		1527	REQ_SEND;
		1528	}
		1529	}
		1530
		1531	void
		1532	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1533	PPCODE:
		1534	{
		1535	dREQ;
		1536
		1537	req->type = EIO_MLOCKALL;
		1538	req->int1 = flags;
		1539
		1540	REQ_SEND;
		1541	}
		1542
		1543	void
912	aio_busy (double delay, SV *callback=&PL_sv_undef)	1544	aio_busy (double delay, SV *callback=&PL_sv_undef)
913	PPCODE:	1545	PPCODE:
914	{	1546	{
915	dREQ;	1547	dREQ;
916		1548
…		…
920	REQ_SEND;	1552	REQ_SEND;
921	}	1553	}
922		1554
923	void	1555	void
924	aio_group (SV *callback=&PL_sv_undef)	1556	aio_group (SV *callback=&PL_sv_undef)
925	PROTOTYPE: ;$
926	PPCODE:	1557	PPCODE:
927	{	1558	{
928	dREQ;	1559	dREQ;
929		1560
930	req->type = EIO_GROUP;	1561	req->type = EIO_GROUP;
931		1562
932	req_submit (req);	1563	req_submit (req);
933	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1564	XPUSHs (req_sv (req, aio_grp_stash));
934	}	1565	}
935		1566
936	void	1567	void
937	aio_nop (SV *callback=&PL_sv_undef)	1568	aio_nop (SV *callback=&PL_sv_undef)
938	ALIAS:	1569	ALIAS:
…		…
947	REQ_SEND;	1578	REQ_SEND;
948	}	1579	}
949		1580
950	int	1581	int
951	aioreq_pri (int pri = 0)	1582	aioreq_pri (int pri = 0)
952	PROTOTYPE: ;$
953	CODE:	1583	CODE:
954	RETVAL = next_pri;	1584	RETVAL = next_pri;
955	if (items > 0)	1585	if (items > 0)
956	{	1586	{
957	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1587	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
969	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1599	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
970	next_pri = nice;	1600	next_pri = nice;
971		1601
972	void	1602	void
973	flush ()	1603	flush ()
974	PROTOTYPE:
975	CODE:	1604	CODE:
976	while (eio_nreqs ())	1605	while (eio_nreqs ())
977	{	1606	{
978	poll_wait ();	1607	poll_wait ();
979	poll_cb ();	1608	poll_cb ();
980	}	1609	}
981		1610
982	int	1611	int
983	poll()	1612	poll ()
984	PROTOTYPE:
985	CODE:	1613	CODE:
986	poll_wait ();	1614	poll_wait ();
987	RETVAL = poll_cb ();	1615	RETVAL = poll_cb ();
988	OUTPUT:	1616	OUTPUT:
989	RETVAL	1617	RETVAL
990		1618
991	int	1619	int
992	poll_fileno()	1620	poll_fileno ()
993	PROTOTYPE:
994	CODE:	1621	CODE:
995	RETVAL = respipe [0];	1622	RETVAL = s_epipe_fd (&respipe);
996	OUTPUT:	1623	OUTPUT:
997	RETVAL	1624	RETVAL
998		1625
999	int	1626	int
1000	poll_cb(...)	1627	poll_cb (...)
1001	PROTOTYPE:	1628	PROTOTYPE:
1002	CODE:	1629	CODE:
1003	RETVAL = poll_cb ();	1630	RETVAL = poll_cb ();
1004	OUTPUT:	1631	OUTPUT:
1005	RETVAL	1632	RETVAL
1006		1633
1007	void	1634	void
1008	poll_wait()	1635	poll_wait ()
1009	PROTOTYPE:
1010	CODE:	1636	CODE:
1011	poll_wait ();	1637	poll_wait ();
1012		1638
1013	int	1639	int
1014	nreqs()	1640	nreqs ()
1015	PROTOTYPE:
1016	CODE:	1641	CODE:
1017	RETVAL = eio_nreqs ();	1642	RETVAL = eio_nreqs ();
1018	OUTPUT:	1643	OUTPUT:
1019	RETVAL	1644	RETVAL
1020		1645
1021	int	1646	int
1022	nready()	1647	nready ()
1023	PROTOTYPE:
1024	CODE:	1648	CODE:
1025	RETVAL = eio_nready ();	1649	RETVAL = eio_nready ();
1026	OUTPUT:	1650	OUTPUT:
1027	RETVAL	1651	RETVAL
1028		1652
1029	int	1653	int
1030	npending()	1654	npending ()
1031	PROTOTYPE:
1032	CODE:	1655	CODE:
1033	RETVAL = eio_npending ();	1656	RETVAL = eio_npending ();
1034	OUTPUT:	1657	OUTPUT:
1035	RETVAL	1658	RETVAL
1036		1659
1037	int	1660	int
1038	nthreads()	1661	nthreads ()
1039	PROTOTYPE:
1040	CODE:	1662	CODE:
1041	RETVAL = eio_nthreads ();	1663	RETVAL = eio_nthreads ();
1042	OUTPUT:	1664	OUTPUT:
1043	RETVAL	1665	RETVAL
1044		1666
		1667	int
		1668	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1669	CODE:
		1670	RETVAL = posix_fadvise (fh, offset, length, advice);
		1671	OUTPUT:
		1672	RETVAL
		1673
		1674	IV
		1675	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1676	CODE:
		1677	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1678	OUTPUT:
		1679	RETVAL
		1680
		1681	void
		1682	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1683	PPCODE:
		1684	sv_unmagic (scalar, MMAP_MAGIC);
		1685	{
		1686	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1687	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1688	if (addr == (void *)-1)
		1689	XSRETURN_NO;
		1690
		1691	sv_force_normal (scalar);
		1692
		1693	/* we store the length in mg_obj, as namlen is I32 :/ */
		1694	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1695	->mg_obj = (SV *)length;
		1696
		1697	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1698
		1699	if (!(prot & PROT_WRITE))
		1700	SvREADONLY_on (scalar);
		1701
		1702	if (SvLEN (scalar))
		1703	Safefree (SvPVX (scalar));
		1704
		1705	SvPVX (scalar) = (char *)addr;
		1706	SvCUR_set (scalar, length);
		1707	SvLEN_set (scalar, 0);
		1708	SvPOK_only (scalar);
		1709
		1710	XSRETURN_YES;
		1711	}
		1712
		1713	void
		1714	munmap (SV *scalar)
		1715	CODE:
		1716	sv_unmagic (scalar, MMAP_MAGIC);
		1717
		1718	int
		1719	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1720	ALIAS:
		1721	mprotect = 1
		1722	CODE:
		1723	{
		1724	STRLEN svlen;
		1725	void *addr = SvPVbyte (scalar, svlen);
		1726	size_t len = SvUV (length);
		1727
		1728	if (offset < 0)
		1729	offset += svlen;
		1730
		1731	if (offset < 0 || offset > svlen)
		1732	croak ("offset outside of scalar");
		1733
		1734	if (!SvOK (length) || len + offset > svlen)
		1735	len = svlen - offset;
		1736
		1737	addr = (void *)(((intptr_t)addr) + offset);
		1738	eio_page_align (&addr, &len);
		1739
		1740	switch (ix)
		1741	{
		1742	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1743	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1744	}
		1745	}
		1746	OUTPUT:
		1747	RETVAL
		1748
		1749	int
		1750	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1751	CODE:
		1752	{
		1753	STRLEN svlen;
		1754	void *addr = SvPVbyte (scalar, svlen);
		1755	size_t len = SvUV (length);
		1756
		1757	if (offset < 0)
		1758	offset += svlen;
		1759
		1760	if (offset < 0 || offset > svlen)
		1761	croak ("offset outside of scalar");
		1762
		1763	if (!SvOK (length) || len + offset > svlen)
		1764	len = svlen - offset;
		1765
		1766	addr = (void *)(((intptr_t)addr) + offset);
		1767	eio_page_align (&addr, &len);
		1768	#if _POSIX_MEMLOCK_RANGE
		1769	RETVAL = munlock (addr, len);
		1770	#else
		1771	RETVAL = ((errno = ENOSYS), -1);
		1772	#endif
		1773	}
		1774	OUTPUT:
		1775	RETVAL
		1776
		1777	int
		1778	munlockall ()
		1779	CODE:
		1780	#if _POSIX_MEMLOCK
		1781	munlockall ();
		1782	#else
		1783	RETVAL = -1;
		1784	errno = ENOSYS;
		1785	#endif
		1786	OUTPUT:
		1787	RETVAL
		1788
1045	void _on_next_submit (SV *cb)	1789	void _on_next_submit (SV *cb)
1046	CODE:	1790	CODE:
1047	SvREFCNT_dec (on_next_submit);	1791	SvREFCNT_dec (on_next_submit);
1048	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1792	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1049		1793
1050	PROTOTYPES: DISABLE	1794	PROTOTYPES: DISABLE
1051		1795
		1796	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1797
		1798	BOOT:
		1799	{
		1800	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1801	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1802	}
		1803
		1804	void
		1805	DESTROY (SV *self)
		1806	CODE:
		1807	{
		1808	aio_wd wd = SvAIO_WD (self);
		1809	#if HAVE_AT
		1810	{
		1811	SV *callback = &PL_sv_undef;
		1812	dREQ; /* clobbers next_pri :/ */
		1813	next_pri = req->pri; /* restore next_pri */
		1814	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1815	req->type = EIO_WD_CLOSE;
		1816	req->wd = wd;
		1817	REQ_SEND;
		1818	}
		1819	#else
		1820	eio_wd_close_sync (wd);
		1821	#endif
		1822	}
		1823
1052	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1824	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1053		1825
1054	void	1826	void
1055	cancel (aio_req_ornot req)	1827	cancel (aio_req_ornot req)
1056	CODE:	1828	CODE:
…		…
1063	if (GIMME_V != G_VOID)	1835	if (GIMME_V != G_VOID)
1064	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1836	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1065		1837
1066	if (items > 1)	1838	if (items > 1)
1067	{	1839	{
1068	SV *cb_cv = get_cb (callback);	1840	SV *cb_cv =get_cb (callback);
1069		1841
1070	SvREFCNT_dec (req->callback);	1842	SvREFCNT_dec (req->callback);
1071	req->callback = SvREFCNT_inc (cb_cv);	1843	req->callback = SvREFCNT_inc (cb_cv);
1072	}	1844	}
1073	}	1845	}
…		…
1110	AV *av;	1882	AV *av;
1111		1883
1112	grp->errorno = errno;	1884	grp->errorno = errno;
1113		1885
1114	av = newAV ();	1886	av = newAV ();
		1887	av_extend (av, items - 1);
1115		1888
1116	for (i = 1; i < items; ++i )	1889	for (i = 1; i < items; ++i )
1117	av_push (av, newSVsv (ST (i)));	1890	av_push (av, newSVsv (ST (i)));
1118		1891
1119	SvREFCNT_dec (grp->sv1);	1892	SvREFCNT_dec (grp->sv1);
…		…
1133	void	1906	void
1134	feed (aio_req grp, SV *callback=&PL_sv_undef)	1907	feed (aio_req grp, SV *callback=&PL_sv_undef)
1135	CODE:	1908	CODE:
1136	{	1909	{
1137	SvREFCNT_dec (grp->sv2);	1910	SvREFCNT_dec (grp->sv2);
1138	grp->sv2 = newSVsv (callback);	1911	grp->sv2 = newSVsv (callback);
		1912	grp->feed = aio_grp_feed;
1139		1913
1140	if (grp->int2 <= 0)	1914	if (grp->int2 <= 0)
1141	grp->int2 = 2;	1915	grp->int2 = 2;
1142		1916
1143	eio_grp_limit (grp, grp->int2);	1917	eio_grp_limit (grp, grp->int2);

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