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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 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
		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
41		66
42	# define chown(a,b,c) (errno = ENOSYS, -1)	67	#define EIO_STRUCT_STAT struct _stati64
43	# define fchown(a,b,c) (errno = ENOSYS, -1)	68	#define EIO_STRUCT_STATI64
44	# define fchmod(a,b) (errno = ENOSYS, -1)
45	# define symlink(a,b) (errno = ENOSYS, -1)
46	# define readlink(a,b,c) (errno = ENOSYS, -1)
47	# define mknod(a,b,c) (errno = ENOSYS, -1)
48	# define truncate(a,b) (errno = ENOSYS, -1)
49	# define ftruncate(fd,o) chsize ((fd), (o))
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		69
56	#else	70	#else
57		71
58	# include <sys/time.h>	72	#include <sys/time.h>
59	# include <sys/select.h>	73	#include <sys/select.h>
60	# include <unistd.h>	74	#include <unistd.h>
61	# include <utime.h>	75	#include <utime.h>
62	# include <signal.h>	76	#include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent
64		77
65	#endif
66
67	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
		79
		80	#endif
68		81
69	/* use NV for 32 bit perls as it allows larger offsets */	82	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	83	#if IVSIZE >= 8
		84	# define VAL64 IV
71	# define SvVAL64 SvIV	85	# define SvVAL64 SvIV
		86	# define newSVval64 newSViv
72	#else	87	#else
		88	# define VAL64 NV
73	# define SvVAL64 SvNV	89	# define SvVAL64 SvNV
		90	# define newSVval64 newSVnv
74	#endif	91	#endif
75		92
76	static HV *stash;	93	/*****************************************************************************/
		94
		95	#if __GNUC__ >= 3
		96	# define expect(expr,value) __builtin_expect ((expr),(value))
		97	#else
		98	# define expect(expr,value) (expr)
		99	#endif
		100
		101	#define expect_false(expr) expect ((expr) != 0, 0)
		102	#define expect_true(expr) expect ((expr) != 0, 1)
		103
		104	/*****************************************************************************/
		105
77	typedef SV SV8; /* byte-sv, used for argument-checking */	106	typedef SV SV8; /* byte-sv, used for argument-checking */
		107	typedef int aio_rfd; /* read file desriptor */
		108	typedef int aio_wfd; /* write file descriptor */
78		109
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	110	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
80	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		111
82	#define EIO_COMMON \	112	#define EIO_REQ_MEMBERS \
83	SV *callback; \	113	SV *callback; \
84	SV *sv1, *sv2; \	114	SV *sv1, *sv2; \
		115	SV *sv3, *sv4; \
85	STRLEN stroffset; \	116	STRLEN stroffset; \
86	SV *self	117	SV *self;
87		118
		119	#define EIO_NO_WRAPPERS 1
		120
		121	#include "libeio/config.h"
88	#include "libeio/eio.h"	122	#include "libeio/eio.h"
89		123
90	static int req_invoke (eio_req *req);	124	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	125	#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);	126	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	127	#define EIO_DESTROY(req) req_destroy (req)
		128
		129	#include "libeio/eio.c"
		130
		131	/* Linux/others */
		132	#ifndef O_ASYNC
		133	# define O_ASYNC 0
		134	#endif
		135	#ifndef O_DIRECT
		136	# define O_DIRECT 0
		137	#endif
		138	#ifndef O_NOATIME
		139	# define O_NOATIME 0
		140	#endif
		141
		142	/* POSIX */
		143	#ifndef O_CLOEXEC
		144	# define O_CLOEXEC 0
		145	#endif
		146	#ifndef O_NOFOLLOW
		147	# define O_NOFOLLOW 0
		148	#endif
		149	#ifndef O_NOCTTY
		150	# define O_NOCTTY 0
		151	#endif
		152	#ifndef O_NONBLOCK
		153	# define O_NONBLOCK 0
		154	#endif
		155	#ifndef O_EXEC
		156	# define O_EXEC 0
		157	#endif
		158	#ifndef O_SEARCH
		159	# define O_SEARCH 0
		160	#endif
		161	#ifndef O_DIRECTORY
		162	# define O_DIRECTORY 0
		163	#endif
		164	#ifndef O_DSYNC
		165	# define O_DSYNC 0
		166	#endif
		167	#ifndef O_RSYNC
		168	# define O_RSYNC 0
		169	#endif
		170	#ifndef O_SYNC
		171	# define O_SYNC 0
		172	#endif
		173	#ifndef O_TTY_INIT
		174	# define O_TTY_INIT 0
		175	#endif
		176
		177	#ifndef POSIX_FADV_NORMAL
		178	# define POSIX_FADV_NORMAL 0
		179	#endif
		180	#ifndef POSIX_FADV_SEQUENTIAL
		181	# define POSIX_FADV_SEQUENTIAL 0
		182	#endif
		183	#ifndef POSIX_FADV_RANDOM
		184	# define POSIX_FADV_RANDOM 0
		185	#endif
		186	#ifndef POSIX_FADV_NOREUSE
		187	# define POSIX_FADV_NOREUSE 0
		188	#endif
		189	#ifndef POSIX_FADV_WILLNEED
		190	# define POSIX_FADV_WILLNEED 0
		191	#endif
		192	#ifndef POSIX_FADV_DONTNEED
		193	# define POSIX_FADV_DONTNEED 0
		194	#endif
		195
		196	#if !HAVE_POSIX_FADVISE
		197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		198	#endif
		199
		200	#ifndef POSIX_MADV_NORMAL
		201	# define POSIX_MADV_NORMAL 0
		202	#endif
		203	#ifndef POSIX_MADV_SEQUENTIAL
		204	# define POSIX_MADV_SEQUENTIAL 0
		205	#endif
		206	#ifndef POSIX_MADV_RANDOM
		207	# define POSIX_MADV_RANDOM 0
		208	#endif
		209	#ifndef POSIX_MADV_WILLNEED
		210	# define POSIX_MADV_WILLNEED 0
		211	#endif
		212	#ifndef POSIX_MADV_DONTNEED
		213	# define POSIX_MADV_DONTNEED 0
		214	#endif
		215
		216	#if !HAVE_POSIX_MADVISE
		217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		218	#endif
		219
		220	#ifndef PROT_NONE
		221	# define PROT_NONE 0
		222	#endif
		223	#ifndef PROT_READ
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_WRITE
		227	# define PROT_READ 0
		228	#endif
		229	#ifndef PROT_EXEC
		230	# define PROT_EXEC 0
		231	#endif
		232
		233	#ifndef ST_RDONLY
		234	# define ST_RDONLY 0
		235	#endif
		236	#ifndef ST_NOSUID
		237	# define ST_NOSUID 0
		238	#endif
		239	#ifndef ST_NODEV
		240	# define ST_NODEV 0
		241	#endif
		242	#ifndef ST_NOEXEC
		243	# define ST_NOEXEC 0
		244	#endif
		245	#ifndef ST_SYNCHRONOUS
		246	# define ST_SYNCHRONOUS 0
		247	#endif
		248	#ifndef ST_MANDLOCK
		249	# define ST_MANDLOCK 0
		250	#endif
		251	#ifndef ST_WRITE
		252	# define ST_WRITE 0
		253	#endif
		254	#ifndef ST_APPEND
		255	# define ST_APPEND 0
		256	#endif
		257	#ifndef ST_IMMUTABLE
		258	# define ST_IMMUTABLE 0
		259	#endif
		260	#ifndef ST_NOATIME
		261	# define ST_NOATIME 0
		262	#endif
		263	#ifndef ST_NODIRATIME
		264	# define ST_NODIRATIME 0
		265	#endif
		266	#ifndef ST_RELATIME
		267	# define ST_RELATIME 0
		268	#endif
		269
		270	#ifndef S_IFIFO
		271	# define S_IFIFO 0
		272	#endif
		273	#ifndef S_IFCHR
		274	# define S_IFCHR 0
		275	#endif
		276	#ifndef S_IFBLK
		277	# define S_IFBLK 0
		278	#endif
		279	#ifndef S_IFLNK
		280	# define S_IFLNK 0
		281	#endif
		282	#ifndef S_IFREG
		283	# define S_IFREG 0
		284	#endif
		285	#ifndef S_IFDIR
		286	# define S_IFDIR 0
		287	#endif
		288	#ifndef S_IFWHT
		289	# define S_IFWHT 0
		290	#endif
		291	#ifndef S_IFSOCK
		292	# define S_IFSOCK 0
		293	#endif
		294
		295	#ifndef MAP_ANONYMOUS
		296	# ifdef MAP_ANON
		297	# define MAP_ANONYMOUS MAP_ANON
		298	# else
		299	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		300	# endif
		301	#endif
		302	#ifndef MAP_HUGETLB
		303	# define MAP_HUGETLB 0
		304	#endif
		305	#ifndef MAP_LOCKED
		306	# define MAP_LOCKED 0
		307	#endif
		308	#ifndef MAP_NORESERVE
		309	# define MAP_NORESERVE 0
		310	#endif
		311	#ifndef MAP_POPULATE
		312	# define MAP_POPULATE 0
		313	#endif
		314	#ifndef MAP_NONBLOCK
		315	# define MAP_NONBLOCK 0
		316	#endif
		317
		318	#ifndef makedev
		319	# define makedev(maj,min) (((maj) << 8) | (min))
		320	#endif
		321	#ifndef major
		322	# define major(dev) ((dev) >> 8)
		323	#endif
		324	#ifndef minor
		325	# define minor(dev) ((dev) & 0xff)
		326	#endif
		327
		328	#ifndef PAGESIZE
		329	# define PAGESIZE sysconf (_SC_PAGESIZE)
		330	#endif
96		331
97	enum {	332	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
99	};	334	};
100		335
101	#include "libeio/eio.c"
102
103	typedef eio_req *aio_req;	336	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	337	typedef eio_req *aio_req_ornot;
		338	typedef eio_wd aio_wd;
105		339
106	static SV *on_next_submit;	340	static SV *on_next_submit;
107	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	341	static int next_pri = EIO_PRI_DEFAULT;
108	static int max_outstanding;	342	static int max_outstanding;
109		343
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	344	static s_epipe respipe;
111		345
112	static void req_destroy (aio_req req);	346	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	347	static void req_cancel (aio_req req);
114		348
115	static void want_poll (void)	349	static void
		350	want_poll (void)
116	{	351	{
117	/* write a dummy byte to the pipe so fh becomes ready */	352	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	353	s_epipe_signal (&respipe);
119	}	354	}
120		355
121	static void done_poll (void)	356	static void
		357	done_poll (void)
122	{	358	{
123	/* read any signals sent by the worker threads */	359	/* read any signals sent by the worker threads */
124	char buf [4];	360	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	361	}
128		362
129	/* must be called at most once */	363	/* must be called at most once */
130	static SV *req_sv (aio_req req, const char *klass)	364	static SV *
		365	req_sv (aio_req req, HV *stash)
131	{	366	{
132	if (!req->self)	367	if (!req->self)
133	{	368	{
134	req->self = (SV *)newHV ();	369	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	370	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	371	}
137		372
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	373	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139	}	374	}
140		375
141	static aio_req SvAIO_REQ (SV *sv)	376	static SV *
		377	newSVaio_wd (aio_wd wd)
		378	{
		379	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		380	}
		381
		382	static aio_req
		383	SvAIO_REQ (SV *sv)
142	{	384	{
143	MAGIC *mg;	385	MAGIC *mg;
144		386
145	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	387	if (!SvROK (sv)
		388	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		389	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		390	&& SvSTASH (SvRV (sv)) != aio_req_stash
		391	&& !sv_derived_from (sv, "IO::AIO::REQ")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	392	croak ("object of class IO::AIO::REQ expected");
147		393
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	394	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		395
150	return mg ? (aio_req)mg->mg_ptr : 0;	396	return mg ? (aio_req)mg->mg_ptr : 0;
151	}	397	}
152		398
		399	static aio_wd
		400	SvAIO_WD (SV *sv)
		401	{
		402	if (!SvROK (sv)
		403	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		404	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		405	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		406
		407	return (aio_wd)(long)SvIVX (SvRV (sv));
		408	}
		409
		410	static void
153	static void aio_grp_feed (aio_req grp)	411	aio_grp_feed (aio_req grp)
154	{	412	{
155	if (grp->sv2 && SvOK (grp->sv2))	413	if (grp->sv2 && SvOK (grp->sv2))
156	{	414	{
157	dSP;	415	dSP;
158		416
159	ENTER;	417	ENTER;
160	SAVETMPS;	418	SAVETMPS;
161	PUSHMARK (SP);	419	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	420	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	421	PUTBACK;
164	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	422	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165	SPAGAIN;	423	SPAGAIN;
166	FREETMPS;	424	FREETMPS;
167	LEAVE;	425	LEAVE;
168	}	426	}
169	}	427	}
170		428
		429	static void
171	static void req_submit (eio_req *req)	430	req_submit (eio_req *req)
172	{	431	{
173	eio_submit (req);	432	eio_submit (req);
174		433
175	if (on_next_submit)	434	if (expect_false (on_next_submit))
176	{	435	{
177	dSP;	436	dSP;
178	SV *cb = sv_2mortal (on_next_submit);	437	SV *cb = sv_2mortal (on_next_submit);
179		438
180	on_next_submit = 0;	439	on_next_submit = 0;
…		…
183	PUTBACK;	442	PUTBACK;
184	call_sv (cb, G_DISCARD | G_EVAL);	443	call_sv (cb, G_DISCARD | G_EVAL);
185	}	444	}
186	}	445	}
187		446
		447	static int
188	static int req_invoke (eio_req *req)	448	req_invoke (eio_req *req)
189	{	449	{
190	dSP;
191
192	if (req->flags & FLAG_SV2_RO_OFF)	450	if (req->flags & FLAG_SV2_RO_OFF)
193	SvREADONLY_off (req->sv2);	451	SvREADONLY_off (req->sv2);
194		452
195	if (!EIO_CANCELLED (req) && SvOK (req->callback))	453	if (!EIO_CANCELLED (req) && req->callback)
196	{	454	{
		455	dSP;
		456	static SV *sv_result_cache; /* caches the result integer SV */
		457	SV *sv_result;
		458
197	ENTER;	459	ENTER;
198	SAVETMPS;	460	SAVETMPS;
199	PUSHMARK (SP);	461	PUSHMARK (SP);
200	EXTEND (SP, 1);	462	EXTEND (SP, 1);
201		463
		464	/* do not recreate the result IV from scratch each time */
		465	if (expect_true (sv_result_cache))
		466	{
		467	sv_result = sv_result_cache; sv_result_cache = 0;
		468	SvIV_set (sv_result, req->result);
		469	SvIOK_only (sv_result);
		470	}
		471	else
		472	{
		473	sv_result = newSViv (req->result);
		474	SvREADONLY_on (sv_result);
		475	}
		476
202	switch (req->type)	477	switch (req->type)
203	{	478	{
		479	case EIO_WD_OPEN:
		480	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		481	break;
		482
204	case EIO_READDIR:	483	case EIO_READDIR:
205	{	484	{
206	SV *rv = &PL_sv_undef;	485	SV *rv = &PL_sv_undef;
207		486
208	if (req->result >= 0)	487	if (req->result >= 0)
209	{	488	{
210	int i;	489	int i;
211	char *buf = req->ptr2;	490	char *names = (char *)req->ptr2;
		491	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
212	AV *av = newAV ();	492	AV *av = newAV ();
213		493
214	av_extend (av, req->result - 1);	494	av_extend (av, req->result - 1);
215		495
216	for (i = 0; i < req->result; ++i)	496	for (i = 0; i < req->result; ++i)
217	{	497	{
218	SV *sv = newSVpv (buf, 0);	498	if (req->int1 & EIO_READDIR_DENTS)
		499	{
		500	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219		501
		502	if (req->int1 & EIO_READDIR_CUSTOM2)
		503	{
		504	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		505	AV *avent = newAV ();
		506
		507	av_extend (avent, 2);
		508
		509	if (!sv_type [ent->type])
		510	{
		511	sv_type [ent->type] = newSViv (ent->type);
		512	SvREADONLY_on (sv_type [ent->type]);
		513	}
		514
		515	av_store (avent, 0, namesv);
		516	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		517	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		518
		519	av_store (av, i, newRV_noinc ((SV *)avent));
		520	}
		521	else
220	av_store (av, i, sv);	522	av_store (av, i, namesv);
		523
		524	++ent;
		525	}
		526	else
		527	{
		528	SV *name = newSVpv (names, 0);
		529	av_store (av, i, name);
221	buf += SvCUR (sv) + 1;	530	names += SvCUR (name) + 1;
		531	}
222	}	532	}
223		533
224	rv = sv_2mortal (newRV_noinc ((SV *)av));	534	rv = sv_2mortal (newRV_noinc ((SV *)av));
225	}	535	}
226		536
227	PUSHs (rv);	537	PUSHs (rv);
		538
		539	if (req->int1 & EIO_READDIR_CUSTOM1)
		540	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
228	}	541	}
229	break;	542	break;
230		543
231	case EIO_OPEN:	544	case EIO_OPEN:
232	{	545	{
…		…
238	GV *gv = (GV *)sv_newmortal ();	551	GV *gv = (GV *)sv_newmortal ();
239	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	552	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
240	char sym [64];	553	char sym [64];
241	int symlen;	554	int symlen;
242		555
243	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	556	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
244	gv_init (gv, stash, sym, symlen, 0);	557	gv_init (gv, aio_stash, sym, symlen, 0);
245		558
246	symlen = snprintf (	559	symlen = snprintf (
247	sym,	560	sym,
248	sizeof (sym),	561	sizeof (sym),
249	"%s&=%d",	562	"%s&=%d",
250	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	563	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251	req->result	564	(int)req->result
252	);	565	);
253		566
254	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	567	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
255	fh = (SV *)gv;	568	fh = (SV *)gv;
256	}	569	}
257		570
258	PUSHs (fh);	571	PUSHs (fh);
259	}	572	}
		573	break;
		574
		575	case EIO_STATVFS:
		576	case EIO_FSTATVFS:
		577	{
		578	SV *rv = &PL_sv_undef;
		579
		580	#ifndef _WIN32
		581	if (req->result >= 0)
		582	{
		583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		584	HV *hv = newHV ();
		585
		586	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		587
		588	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		589	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		590	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		591	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		592	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		593	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		594	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		595	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		597	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		598	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		599	}
		600	#endif
		601
		602	PUSHs (rv);
		603	}
		604
260	break;	605	break;
261		606
262	case EIO_GROUP:	607	case EIO_GROUP:
263	req->int1 = 2; /* mark group as finished */	608	req->int1 = 2; /* mark group as finished */
264		609
…		…
276	case EIO_NOP:	621	case EIO_NOP:
277	case EIO_BUSY:	622	case EIO_BUSY:
278	break;	623	break;
279		624
280	case EIO_READLINK:	625	case EIO_READLINK:
		626	case EIO_REALPATH:
281	if (req->result > 0)	627	if (req->result > 0)
282	{	628	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283	SvCUR_set (req->sv2, req->result);
284	*SvEND (req->sv2) = 0;
285	PUSHs (req->sv2);
286	}
287	break;	629	break;
288		630
289	case EIO_STAT:	631	case EIO_STAT:
290	case EIO_LSTAT:	632	case EIO_LSTAT:
291	case EIO_FSTAT:	633	case EIO_FSTAT:
292	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	634	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		635
293	PL_laststatval = req->result;	636	if (!(PL_laststatval = req->result))
		637	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
294	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	638	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
295	PUSHs (sv_2mortal (newSViv (req->result)));	639
		640	PUSHs (sv_result);
296	break;	641	break;
297		642
298	case EIO_READ:	643	case EIO_READ:
		644	{
299	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	645	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
300	*SvEND (req->sv2) = 0;	646	*SvEND (req->sv2) = 0;
301	PUSHs (sv_2mortal (newSViv (req->result)));	647	SvPOK_only (req->sv2);
		648	SvSETMAGIC (req->sv2);
		649	PUSHs (sv_result);
		650	}
302	break;	651	break;
303		652
304	case EIO_DUP2:	653	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
305	if (req->result > 0)	654	if (req->result > 0)
306	req->result = 0;	655	SvIV_set (sv_result, 0);
307	/* FALLTHROUGH */	656	/* FALLTHROUGH */
308		657
309	default:	658	default:
310	PUSHs (sv_2mortal (newSViv (req->result)));	659	PUSHs (sv_result);
311	break;	660	break;
312	}	661	}
313		662
314	errno = req->errorno;	663	errno = req->errorno;
315		664
316	PUTBACK;	665	PUTBACK;
317	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	666	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
318	SPAGAIN;	667	SPAGAIN;
319		668
		669	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		670	SvREFCNT_dec (sv_result);
		671	else
		672	sv_result_cache = sv_result;
		673
320	FREETMPS;	674	FREETMPS;
321	LEAVE;	675	LEAVE;
322		676
323	PUTBACK;	677	PUTBACK;
324	}	678	}
325		679
326	return !!SvTRUE (ERRSV);	680	return !!SvTRUE (ERRSV);
327	}	681	}
328		682
		683	static void
329	static void req_destroy (aio_req req)	684	req_destroy (aio_req req)
330	{	685	{
331	if (req->self)	686	if (req->self)
332	{	687	{
333	sv_unmagic (req->self, PERL_MAGIC_ext);	688	sv_unmagic (req->self, PERL_MAGIC_ext);
334	SvREFCNT_dec (req->self);	689	SvREFCNT_dec (req->self);
335	}	690	}
336		691
337	SvREFCNT_dec (req->sv1);	692	SvREFCNT_dec (req->sv1);
338	SvREFCNT_dec (req->sv2);	693	SvREFCNT_dec (req->sv2);
		694	SvREFCNT_dec (req->sv3);
		695	SvREFCNT_dec (req->sv4);
339	SvREFCNT_dec (req->callback);	696	SvREFCNT_dec (req->callback);
340		697
341	Safefree (req);	698	free (req);
342	}	699	}
343		700
		701	static void
344	static void req_cancel_subs (aio_req grp)	702	req_cancel_subs (aio_req grp)
345	{	703	{
346	aio_req sub;
347
348	if (grp->type != EIO_GROUP)	704	if (grp->type != EIO_GROUP)
349	return;	705	return;
350		706
351	SvREFCNT_dec (grp->sv2);	707	SvREFCNT_dec (grp->sv2);
352	grp->sv2 = 0;	708	grp->sv2 = 0;
353		709
354	eio_grp_cancel (grp);	710	eio_grp_cancel (grp);
355	}	711	}
356		712
357	#ifdef USE_SOCKETS_AS_HANDLES	713	static void ecb_cold
358	# define TO_SOCKET(x) (win32_get_osfhandle (x))	714	create_respipe (void)
359	#else	715	{
360	# define TO_SOCKET(x) (x)	716	if (s_epipe_renew (&respipe))
361	#endif	717	croak ("IO::AIO: unable to initialize result pipe");
		718	}
362		719
363	static void	720	static void
364	create_respipe (void)	721	poll_wait (void)
365	{	722	{
366	int old_readfd = respipe [0];
367
368	if (respipe [1] >= 0)
369	respipe_close (TO_SOCKET (respipe [1]));
370
371	#ifdef _WIN32
372	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373	#else
374	if (pipe (respipe))
375	#endif
376	croak ("unable to initialize result pipe");
377
378	if (old_readfd >= 0)
379	{
380	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381	croak ("unable to initialize result pipe(2)");
382
383	respipe_close (respipe [0]);
384	respipe [0] = old_readfd;
385	}
386
387	#ifdef _WIN32
388	int arg = 1;
389	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391	#else
392	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394	#endif
395	croak ("unable to initialize result pipe(3)");
396
397	respipe_osf [0] = TO_SOCKET (respipe [0]);
398	respipe_osf [1] = TO_SOCKET (respipe [1]);
399	}
400
401	static void poll_wait (void)
402	{
403	fd_set rfd;
404
405	while (eio_nreqs ())	723	while (eio_nreqs ())
406	{	724	{
407	int size;	725	int size;
408		726
409	X_LOCK (reslock);	727	X_LOCK (reslock);
…		…
411	X_UNLOCK (reslock);	729	X_UNLOCK (reslock);
412		730
413	if (size)	731	if (size)
414	return;	732	return;
415		733
416	maybe_start_thread ();	734	etp_maybe_start_thread ();
417		735
418	FD_ZERO (&rfd);	736	s_epipe_wait (&respipe);
419	FD_SET (respipe [0], &rfd);
420
421	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422	}	737	}
423	}	738	}
424		739
425	static int poll_cb (void)	740	static int
		741	poll_cb (void)
426	{	742	{
427	int res;	743	for (;;)
428
429	do
430	{	744	{
431	res = eio_poll ();	745	int res = eio_poll ();
432		746
433	if (res > 0)	747	if (res > 0)
434	croak (0);	748	croak (0);
		749
		750	if (!max_outstanding || max_outstanding > eio_nreqs ())
		751	return res;
		752
		753	poll_wait ();
435	}	754	}
436	while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438	return res;
439	}	755	}
440		756
441	static void atfork_child (void)	757	static void ecb_cold
		758	reinit (void)
442	{	759	{
443	create_respipe ();	760	create_respipe ();
		761
		762	if (eio_init (want_poll, done_poll) < 0)
		763	croak ("IO::AIO: unable to initialise eio library");
		764	}
		765
		766	/*****************************************************************************/
		767
		768	#if !_POSIX_MAPPED_FILES
		769	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		770	# define munmap(addr,length) (errno = ENOSYS, -1)
		771	#endif
		772
		773	#if !_POSIX_MEMORY_PROTECTION
		774	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		775	# define PROT_NONE 0
		776	# define PROT_WRITE 0
		777	# define MAP_PRIVATE 0
		778	# define MAP_SHARED 0
		779	# define MAP_FIXED 0
		780	#endif
		781
		782	#define MMAP_MAGIC PERL_MAGIC_ext
		783
		784	static int ecb_cold
		785	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		786	{
		787	int old_errno = errno;
		788	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		789	errno = old_errno;
		790
		791	mg->mg_obj = 0; /* just in case */
		792
		793	SvREADONLY_off (sv);
		794
		795	if (SvPVX (sv) != mg->mg_ptr)
		796	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		797
		798	SvCUR_set (sv, 0);
		799	SvPVX (sv) = 0;
		800	SvOK_off (sv);
		801
		802	return 0;
		803	}
		804
		805	static MGVTBL mmap_vtbl = {
		806	0, 0, 0, 0, mmap_free
		807	};
		808
		809	/*****************************************************************************/
		810
		811	static SV *
		812	get_cb (SV *cb_sv)
		813	{
		814	SvGETMAGIC (cb_sv);
		815	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		816	}
		817
		818	static aio_req ecb_noinline
		819	dreq (SV *callback)
		820	{
		821	SV *cb_cv;
		822	aio_req req;
		823	int req_pri = next_pri;
		824	next_pri = EIO_PRI_DEFAULT;
		825
		826	cb_cv = get_cb (callback);
		827
		828	req = calloc (sizeof (*req), 1);
		829	if (!req)
		830	croak ("out of memory during eio_req allocation");
		831
		832	req->callback = SvREFCNT_inc (cb_cv);
		833	req->pri = req_pri;
		834
		835	return req;
444	}	836	}
445		837
446	#define dREQ \	838	#define dREQ \
447	aio_req req; \	839	aio_req req = dreq (callback); \
448	int req_pri = next_pri; \
449	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \
450	\
451	if (SvOK (callback) && !SvROK (callback)) \
452	croak ("callback must be undef or of reference type"); \
453	\
454	Newz (0, req, 1, eio_req); \
455	if (!req) \
456	croak ("out of memory during eio_req allocation"); \
457	\
458	req->callback = newSVsv (callback); \
459	req->pri = req_pri
460		840
461	#define REQ_SEND \	841	#define REQ_SEND \
		842	PUTBACK; \
462	req_submit (req); \	843	req_submit (req); \
		844	SPAGAIN; \
463	\	845	\
464	if (GIMME_V != G_VOID) \	846	if (GIMME_V != G_VOID) \
465	XPUSHs (req_sv (req, AIO_REQ_KLASS));	847	XPUSHs (req_sv (req, aio_req_stash));
466		848
		849	ecb_inline void
		850	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		851	{
		852	if (expect_false (SvROK (path)))
		853	{
		854	SV *rv = SvRV (path);
		855	SV *wdob;
		856
		857	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		858	{
		859	path = AvARRAY (rv)[1];
		860	wdob = AvARRAY (rv)[0];
		861
		862	if (SvOK (wdob))
		863	{
		864	*wd = SvAIO_WD (wdob);
		865	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		866	}
		867	else
		868	*wd = EIO_INVALID_WD;
		869	}
		870	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		871	{
		872	*wd = (aio_wd)(long)SvIVX (rv);
		873	*wdsv = SvREFCNT_inc_NN (rv);
		874	*ptr = ".";
		875	return; /* path set to "." */
		876	}
		877	else
		878	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		879	}
		880
		881	*pathsv = newSVsv (path);
		882	*ptr = SvPVbyte_nolen (*pathsv);
		883	}
		884
		885	static void ecb_noinline
		886	req_set_path1 (aio_req req, SV *path)
		887	{
		888	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		889	}
		890
		891	static void ecb_noinline
		892	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		893	{
		894	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		895
		896	switch (SvTYPE (rv))
		897	{
		898	case SVt_PVIO:
		899	case SVt_PVLV:
		900	case SVt_PVGV:
		901	req->type = type_fh;
		902	req->sv1 = newSVsv (fh_or_path);
		903	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		904	break;
		905
		906	default:
		907	req->type = type_path;
		908	req_set_path1 (req, fh_or_path);
		909	break;
		910	}
		911	}
		912
		913	XS(boot_IO__AIO) ecb_cold;
		914
467	MODULE = IO::AIO PACKAGE = IO::AIO	915	MODULE = IO::AIO PACKAGE = IO::AIO
468		916
469	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
470		918
471	BOOT:	919	BOOT:
472	{	920	{
		921	static const struct {
		922	const char *name;
		923	IV iv;
		924	} *civ, const_iv[] = {
		925	# define const_niv(name, value) { # name, (IV) value },
		926	# define const_iv(name) { # name, (IV) name },
		927	# define const_eio(name) { # name, (IV) EIO_ ## name },
		928	const_iv (EXDEV)
		929	const_iv (ENOSYS)
		930	const_iv (O_RDONLY)
		931	const_iv (O_WRONLY)
		932	const_iv (O_RDWR)
		933	const_iv (O_CREAT)
		934	const_iv (O_TRUNC)
		935	const_iv (O_EXCL)
		936	const_iv (O_APPEND)
		937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_TTY_INIT)
		953
		954	const_iv (S_IFIFO)
		955	const_iv (S_IFCHR)
		956	const_iv (S_IFBLK)
		957	const_iv (S_IFLNK)
		958	const_iv (S_IFREG)
		959	const_iv (S_IFDIR)
		960	const_iv (S_IFWHT)
		961	const_iv (S_IFSOCK)
		962	const_iv (S_IFMT)
		963
		964	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		965	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		966	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		967	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		968	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		969	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		970
		971	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		972	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		973	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		974	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		975	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		976
		977	const_iv (ST_RDONLY)
		978	const_iv (ST_NOSUID)
		979	const_iv (ST_NODEV)
		980	const_iv (ST_NOEXEC)
		981	const_iv (ST_SYNCHRONOUS)
		982	const_iv (ST_MANDLOCK)
		983	const_iv (ST_WRITE)
		984	const_iv (ST_APPEND)
		985	const_iv (ST_IMMUTABLE)
		986	const_iv (ST_NOATIME)
		987	const_iv (ST_NODIRATIME)
		988	const_iv (ST_RELATIME)
		989
		990	const_iv (PROT_NONE)
		991	const_iv (PROT_EXEC)
		992	const_iv (PROT_READ)
		993	const_iv (PROT_WRITE)
		994
		995	/*const_iv (MAP_FIXED)*/
		996	const_iv (MAP_PRIVATE)
		997	const_iv (MAP_SHARED)
		998	const_iv (MAP_ANONYMOUS)
		999
		1000	/* linuxish */
		1001	const_iv (MAP_HUGETLB)
		1002	const_iv (MAP_LOCKED)
		1003	const_iv (MAP_NORESERVE)
		1004	const_iv (MAP_POPULATE)
		1005	const_iv (MAP_NONBLOCK)
		1006
		1007	const_eio (MCL_FUTURE)
		1008	const_eio (MCL_CURRENT)
		1009
		1010	const_eio (MS_ASYNC)
		1011	const_eio (MS_INVALIDATE)
		1012	const_eio (MS_SYNC)
		1013
		1014	const_eio (MT_MODIFY)
		1015
		1016	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		1017	const_eio (SYNC_FILE_RANGE_WRITE)
		1018	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1019
		1020	const_eio (FALLOC_FL_KEEP_SIZE)
		1021
		1022	const_eio (READDIR_DENTS)
		1023	const_eio (READDIR_DIRS_FIRST)
		1024	const_eio (READDIR_STAT_ORDER)
		1025	const_eio (READDIR_FOUND_UNKNOWN)
		1026
		1027	const_eio (DT_UNKNOWN)
		1028	const_eio (DT_FIFO)
		1029	const_eio (DT_CHR)
		1030	const_eio (DT_DIR)
		1031	const_eio (DT_BLK)
		1032	const_eio (DT_REG)
		1033	const_eio (DT_LNK)
		1034	const_eio (DT_SOCK)
		1035	const_eio (DT_WHT)
		1036	};
		1037
473	stash = gv_stashpv ("IO::AIO", 1);	1038	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1039	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1040	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1041	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
474		1042
475	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1043	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
476	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1044	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
477	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
478	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
479	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
480	#ifdef _WIN32
481	X_MUTEX_CHECK (wrklock);
482	X_MUTEX_CHECK (reslock);
483	X_MUTEX_CHECK (reqlock);
484	X_MUTEX_CHECK (reqwait);
485	X_MUTEX_CHECK (preadwritelock);
486	X_MUTEX_CHECK (readdirlock);
487		1045
488	X_COND_CHECK (reqwait);	1046	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
489	#else
490	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
491	#endif
492		1047
493	create_respipe ();	1048	reinit ();
494
495	if (eio_init (want_poll, done_poll) < 0)
496	croak ("IO::AIO: unable to initialise eio library");
497
498	/* atfork child called in fifo order, so before eio's handler */
499	X_THREAD_ATFORK (0, 0, atfork_child);
500	}	1049	}
501		1050
502	void	1051	void
		1052	reinit ()
		1053	PROTOTYPE:
		1054
		1055	void
503	max_poll_reqs (int nreqs)	1056	max_poll_reqs (unsigned int nreqs)
504	PROTOTYPE: $	1057	PROTOTYPE: $
505	CODE:	1058	CODE:
506	eio_set_max_poll_reqs (nreqs);	1059	eio_set_max_poll_reqs (nreqs);
507		1060
508	void	1061	void
…		…
510	PROTOTYPE: $	1063	PROTOTYPE: $
511	CODE:	1064	CODE:
512	eio_set_max_poll_time (nseconds);	1065	eio_set_max_poll_time (nseconds);
513		1066
514	void	1067	void
515	min_parallel (int nthreads)	1068	min_parallel (unsigned int nthreads)
516	PROTOTYPE: $	1069	PROTOTYPE: $
517	CODE:	1070	CODE:
518	eio_set_min_parallel (nthreads);	1071	eio_set_min_parallel (nthreads);
519		1072
520	void	1073	void
521	max_parallel (int nthreads)	1074	max_parallel (unsigned int nthreads)
522	PROTOTYPE: $	1075	PROTOTYPE: $
523	CODE:	1076	CODE:
524	eio_set_max_parallel (nthreads);	1077	eio_set_max_parallel (nthreads);
525		1078
526	void	1079	void
527	max_idle (int nthreads)	1080	max_idle (unsigned int nthreads)
528	PROTOTYPE: $	1081	PROTOTYPE: $
529	CODE:	1082	CODE:
530	eio_set_max_idle (nthreads);	1083	eio_set_max_idle (nthreads);
531		1084
532	void	1085	void
		1086	idle_timeout (unsigned int seconds)
		1087	PROTOTYPE: $
		1088	CODE:
		1089	eio_set_idle_timeout (seconds);
		1090
		1091	void
533	max_outstanding (int maxreqs)	1092	max_outstanding (unsigned int maxreqs)
534	PROTOTYPE: $	1093	PROTOTYPE: $
535	CODE:	1094	CODE:
536	max_outstanding = maxreqs;	1095	max_outstanding = maxreqs;
537		1096
538	void	1097	void
		1098	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1099	PPCODE:
		1100	{
		1101	dREQ;
		1102
		1103	req->type = EIO_WD_OPEN;
		1104	req_set_path1 (req, pathname);
		1105
		1106	REQ_SEND;
		1107	}
		1108
		1109	void
539	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1110	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
540	PROTOTYPE: $$$;$
541	PPCODE:	1111	PPCODE:
542	{	1112	{
543	dREQ;	1113	dREQ;
544		1114
545	req->type = EIO_OPEN;	1115	req->type = EIO_OPEN;
546	req->sv1 = newSVsv (pathname);	1116	req_set_path1 (req, pathname);
547	req->ptr1 = SvPVbyte_nolen (req->sv1);
548	req->int1 = flags;	1117	req->int1 = flags;
549	req->int2 = mode;	1118	req->int2 = mode;
550		1119
551	REQ_SEND;	1120	REQ_SEND;
552	}	1121	}
553		1122
554	void	1123	void
555	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1124	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
556	PROTOTYPE: $;$
557	ALIAS:	1125	ALIAS:
558	aio_fsync = EIO_FSYNC	1126	aio_fsync = EIO_FSYNC
559	aio_fdatasync = EIO_FDATASYNC	1127	aio_fdatasync = EIO_FDATASYNC
		1128	aio_syncfs = EIO_SYNCFS
560	PPCODE:	1129	PPCODE:
561	{	1130	{
		1131	int fd = s_fileno_croak (fh, 0);
562	dREQ;	1132	dREQ;
563		1133
564	req->type = ix;	1134	req->type = ix;
565	req->sv1 = newSVsv (fh);	1135	req->sv1 = newSVsv (fh);
566	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1136	req->int1 = fd;
567		1137
568	REQ_SEND (req);	1138	REQ_SEND (req);
569	}	1139	}
570		1140
571	void	1141	void
		1142	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1143	PPCODE:
		1144	{
		1145	int fd = s_fileno_croak (fh, 0);
		1146	dREQ;
		1147
		1148	req->type = EIO_SYNC_FILE_RANGE;
		1149	req->sv1 = newSVsv (fh);
		1150	req->int1 = fd;
		1151	req->offs = offset;
		1152	req->size = nbytes;
		1153	req->int2 = flags;
		1154
		1155	REQ_SEND (req);
		1156	}
		1157
		1158	void
		1159	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1160	PPCODE:
		1161	{
		1162	int fd = s_fileno_croak (fh, 0);
		1163	dREQ;
		1164
		1165	req->type = EIO_FALLOCATE;
		1166	req->sv1 = newSVsv (fh);
		1167	req->int1 = fd;
		1168	req->int2 = mode;
		1169	req->offs = offset;
		1170	req->size = len;
		1171
		1172	REQ_SEND (req);
		1173	}
		1174
		1175	void
572	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1176	aio_close (SV *fh, SV *callback=&PL_sv_undef)
573	PROTOTYPE: $;$
574	PPCODE:	1177	PPCODE:
575	{	1178	{
576	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1179	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1180	int fd = s_fileno_croak (fh, 0);
577	dREQ;	1181	dREQ;
578		1182
579	if (close_pipe < 0)	1183	if (expect_false (close_fd < 0))
580	{	1184	{
581	int pipefd [2];	1185	int pipefd [2];
582		1186
		1187	if (
		1188	#ifdef _WIN32
		1189	_pipe (pipefd, 1, _O_BINARY) < 0
		1190	#else
583	if (pipe (pipefd) < 0	1191	pipe (pipefd) < 0
584	|| close (pipefd [1]) < 0
585	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1192	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1193	#endif
		1194	|| close (pipefd [1]) < 0
		1195	)
586	abort (); /*D*/	1196	abort (); /*D*/
587		1197
588	close_pipe = pipefd [0];	1198	close_fd = pipefd [0];
589	}	1199	}
590		1200
591	req->type = EIO_DUP2;	1201	req->type = EIO_DUP2;
592	req->int1 = close_pipe;	1202	req->int1 = close_fd;
593	req->sv2 = newSVsv (fh);	1203	req->sv2 = newSVsv (fh);
594	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1204	req->int2 = fd;
595		1205
596	REQ_SEND (req);	1206	REQ_SEND (req);
597	}	1207	}
598		1208
599	void	1209	void
600	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1210	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
601	ALIAS:	1211	ALIAS:
602	aio_read = EIO_READ	1212	aio_read = EIO_READ
603	aio_write = EIO_WRITE	1213	aio_write = EIO_WRITE
604	PROTOTYPE: $$$$$;$
605	PPCODE:	1214	PPCODE:
606	{	1215	{
607	STRLEN svlen;	1216	STRLEN svlen;
		1217	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608	char *svptr = SvPVbyte (data, svlen);	1218	char *svptr = SvPVbyte (data, svlen);
609	UV len = SvUV (length);	1219	UV len = SvUV (length);
610
611	SvUPGRADE (data, SVt_PV);
612	SvPOK_on (data);
613		1220
614	if (dataoffset < 0)	1221	if (dataoffset < 0)
615	dataoffset += svlen;	1222	dataoffset += svlen;
616		1223
617	if (dataoffset < 0 || dataoffset > svlen)	1224	if (dataoffset < 0 || dataoffset > svlen)
…		…
623	if (!SvOK (length) || len + dataoffset > svlen)	1230	if (!SvOK (length) || len + dataoffset > svlen)
624	len = svlen - dataoffset;	1231	len = svlen - dataoffset;
625	}	1232	}
626	else	1233	else
627	{	1234	{
628	/* read: grow scalar as necessary */	1235	/* read: check type and grow scalar as necessary */
		1236	SvUPGRADE (data, SVt_PV);
629	svptr = SvGROW (data, len + dataoffset + 1);	1237	svptr = SvGROW (data, len + dataoffset + 1);
630	}	1238	}
631		1239
632	if (len < 0)
633	croak ("length must not be negative");
634
635	{	1240	{
636	dREQ;	1241	dREQ;
637		1242
638	req->type = ix;	1243	req->type = ix;
639	req->sv1 = newSVsv (fh);	1244	req->sv1 = newSVsv (fh);
640	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1245	req->int1 = fd;
641	: IoOFP (sv_2io (fh)));
642	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1246	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643	req->size = len;	1247	req->size = len;
644	req->sv2 = SvREFCNT_inc (data);	1248	req->sv2 = SvREFCNT_inc (data);
645	req->ptr2 = (char *)svptr + dataoffset;	1249	req->ptr2 = (char *)svptr + dataoffset;
646	req->stroffset = dataoffset;	1250	req->stroffset = dataoffset;
…		…
654	REQ_SEND;	1258	REQ_SEND;
655	}	1259	}
656	}	1260	}
657		1261
658	void	1262	void
659	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1263	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
660	PROTOTYPE: $$;$	1264	ALIAS:
		1265	aio_readlink = EIO_READLINK
		1266	aio_realpath = EIO_REALPATH
661	PPCODE:	1267	PPCODE:
662	{	1268	{
663	SV *data;
664	dREQ;	1269	dREQ;
665		1270
666	data = newSV (NAME_MAX);
667	SvPOK_on (data);
668
669	req->type = EIO_READLINK;	1271	req->type = ix;
670	req->sv1 = newSVsv (path);	1272	req_set_path1 (req, pathname);
671	req->ptr1 = SvPVbyte_nolen (req->sv1);
672	req->sv2 = data;
673	req->ptr2 = SvPVbyte_nolen (data);
674		1273
675	REQ_SEND;	1274	REQ_SEND;
676	}	1275	}
677		1276
678	void	1277	void
679	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1278	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
680	PROTOTYPE: $$$$;$
681	PPCODE:	1279	PPCODE:
682	{	1280	{
		1281	int ifd = s_fileno_croak (in_fh , 0);
		1282	int ofd = s_fileno_croak (out_fh, 1);
683	dREQ;	1283	dREQ;
684		1284
685	req->type = EIO_SENDFILE;	1285	req->type = EIO_SENDFILE;
686	req->sv1 = newSVsv (out_fh);	1286	req->sv1 = newSVsv (out_fh);
687	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1287	req->int1 = ofd;
688	req->sv2 = newSVsv (in_fh);	1288	req->sv2 = newSVsv (in_fh);
689	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1289	req->int2 = ifd;
690	req->offs = SvVAL64 (in_offset);	1290	req->offs = in_offset;
691	req->size = length;	1291	req->size = length;
692		1292
693	REQ_SEND;	1293	REQ_SEND;
694	}	1294	}
695		1295
696	void	1296	void
697	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1297	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
698	PROTOTYPE: $$$;$
699	PPCODE:	1298	PPCODE:
700	{	1299	{
		1300	int fd = s_fileno_croak (fh, 0);
701	dREQ;	1301	dREQ;
702		1302
703	req->type = EIO_READAHEAD;	1303	req->type = EIO_READAHEAD;
704	req->sv1 = newSVsv (fh);	1304	req->sv1 = newSVsv (fh);
705	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1305	req->int1 = fd;
706	req->offs = SvVAL64 (offset);	1306	req->offs = offset;
707	req->size = length;	1307	req->size = length;
708		1308
709	REQ_SEND;	1309	REQ_SEND;
710	}	1310	}
711		1311
712	void	1312	void
713	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1313	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
714	ALIAS:	1314	ALIAS:
715	aio_stat = EIO_STAT	1315	aio_stat = EIO_STAT
716	aio_lstat = EIO_LSTAT	1316	aio_lstat = EIO_LSTAT
		1317	aio_statvfs = EIO_STATVFS
717	PPCODE:	1318	PPCODE:
718	{	1319	{
719	dREQ;	1320	dREQ;
720		1321
721	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));	1322	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
722	if (!req->ptr2)
723	{
724	req_destroy (req);
725	croak ("out of memory during aio_stat statdata allocation");
726	}
727
728	req->flags |= EIO_FLAG_PTR2_FREE;
729	req->sv1 = newSVsv (fh_or_path);
730
731	if (SvPOK (fh_or_path))
732	{
733	req->type = ix;
734	req->ptr1 = SvPVbyte_nolen (req->sv1);
735	}
736	else
737	{
738	req->type = EIO_FSTAT;
739	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
740	}
741		1323
742	REQ_SEND;	1324	REQ_SEND;
743	}	1325	}
		1326
		1327	UV
		1328	major (UV dev)
		1329	ALIAS:
		1330	minor = 1
		1331	CODE:
		1332	RETVAL = ix ? major (dev) : minor (dev);
		1333	OUTPUT:
		1334	RETVAL
		1335
		1336	UV
		1337	makedev (UV maj, UV min)
		1338	CODE:
		1339	RETVAL = makedev (maj, min);
		1340	OUTPUT:
		1341	RETVAL
744		1342
745	void	1343	void
746	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1344	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
747	PPCODE:	1345	PPCODE:
748	{	1346	{
749	dREQ;	1347	dREQ;
750		1348
751	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1349	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1350	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
754
755	if (SvPOK (fh_or_path))
756	{
757	req->type = EIO_UTIME;
758	req->ptr1 = SvPVbyte_nolen (req->sv1);
759	}
760	else
761	{
762	req->type = EIO_FUTIME;
763	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
764	}
765		1352
766	REQ_SEND;	1353	REQ_SEND;
767	}	1354	}
768		1355
769	void	1356	void
770	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1357	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
771	PPCODE:	1358	PPCODE:
772	{	1359	{
773	dREQ;	1360	dREQ;
774		1361
775	req->sv1 = newSVsv (fh_or_path);
776	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1362	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777		1363	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
778	if (SvPOK (fh_or_path))
779	{
780	req->type = EIO_TRUNCATE;
781	req->ptr1 = SvPVbyte_nolen (req->sv1);
782	}
783	else
784	{
785	req->type = EIO_FTRUNCATE;
786	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
787	}
788		1364
789	REQ_SEND;	1365	REQ_SEND;
790	}	1366	}
791		1367
792	void	1368	void
793	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1369	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
794	ALIAS:
795	aio_chmod = EIO_CHMOD
796	aio_fchmod = EIO_FCHMOD
797	aio_mkdir = EIO_MKDIR
798	PPCODE:	1370	PPCODE:
799	{	1371	{
800	dREQ;	1372	dREQ;
801		1373
802	req->type = ix;
803	req->int2 = mode;	1374	req->int2 = mode;
804	req->sv1 = newSVsv (fh_or_path);	1375	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
805
806	if (ix == EIO_FCHMOD)
807	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
808	else
809	req->ptr1 = SvPVbyte_nolen (req->sv1);
810		1376
811	REQ_SEND;	1377	REQ_SEND;
812	}	1378	}
813		1379
814	void	1380	void
…		…
817	{	1383	{
818	dREQ;	1384	dREQ;
819		1385
820	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1386	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1387	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
823		1389
824	if (SvPOK (fh_or_path))	1390	REQ_SEND;
825	{	1391	}
		1392
		1393	void
		1394	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1395	PPCODE:
		1396	{
		1397	dREQ;
		1398
		1399	req->type = EIO_READDIR;
		1400	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1401
		1402	if (flags & EIO_READDIR_DENTS)
		1403	req->int1 |= EIO_READDIR_CUSTOM2;
		1404
		1405	req_set_path1 (req, pathname);
		1406
		1407	REQ_SEND;
		1408	}
		1409
		1410	void
		1411	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1412	PPCODE:
		1413	{
		1414	dREQ;
		1415
826	req->type = EIO_CHOWN;	1416	req->type = EIO_MKDIR;
827	req->ptr1 = SvPVbyte_nolen (req->sv1);	1417	req->int2 = mode;
828	}	1418	req_set_path1 (req, pathname);
829	else
830	{
831	req->type = EIO_FCHOWN;
832	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
833	}
834		1419
835	REQ_SEND;	1420	REQ_SEND;
836	}	1421	}
837		1422
838	void	1423	void
…		…
844	PPCODE:	1429	PPCODE:
845	{	1430	{
846	dREQ;	1431	dREQ;
847		1432
848	req->type = ix;	1433	req->type = ix;
849	req->sv1 = newSVsv (pathname);	1434	req_set_path1 (req, pathname);
850	req->ptr1 = SvPVbyte_nolen (req->sv1);
851		1435
852	REQ_SEND;	1436	REQ_SEND;
853	}	1437	}
854		1438
855	void	1439	void
…		…
858	aio_link = EIO_LINK	1442	aio_link = EIO_LINK
859	aio_symlink = EIO_SYMLINK	1443	aio_symlink = EIO_SYMLINK
860	aio_rename = EIO_RENAME	1444	aio_rename = EIO_RENAME
861	PPCODE:	1445	PPCODE:
862	{	1446	{
		1447	eio_wd wd2 = 0;
863	dREQ;	1448	dREQ;
864		1449
865	req->type = ix;	1450	req->type = ix;
866	req->sv1 = newSVsv (oldpath);	1451	req_set_path1 (req, oldpath);
867	req->ptr1 = SvPVbyte_nolen (req->sv1);	1452	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
868	req->sv2 = newSVsv (newpath);	1453	req->int3 = (long)wd2;
869	req->ptr2 = SvPVbyte_nolen (req->sv2);
870		1454
871	REQ_SEND;	1455	REQ_SEND;
872	}	1456	}
873		1457
874	void	1458	void
…		…
876	PPCODE:	1460	PPCODE:
877	{	1461	{
878	dREQ;	1462	dREQ;
879		1463
880	req->type = EIO_MKNOD;	1464	req->type = EIO_MKNOD;
881	req->sv1 = newSVsv (pathname);
882	req->ptr1 = SvPVbyte_nolen (req->sv1);
883	req->int2 = (mode_t)mode;	1465	req->int2 = (mode_t)mode;
884	req->offs = dev;	1466	req->offs = dev;
		1467	req_set_path1 (req, pathname);
885		1468
886	REQ_SEND;	1469	REQ_SEND;
887	}	1470	}
888		1471
889	void	1472	void
		1473	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1474	ALIAS:
		1475	aio_mtouch = EIO_MTOUCH
		1476	aio_msync = EIO_MSYNC
		1477	PPCODE:
		1478	{
		1479	STRLEN svlen;
		1480	char *svptr = SvPVbyte (data, svlen);
		1481	UV len = SvUV (length);
		1482
		1483	if (offset < 0)
		1484	offset += svlen;
		1485
		1486	if (offset < 0 || offset > svlen)
		1487	croak ("offset outside of scalar");
		1488
		1489	if (!SvOK (length) || len + offset > svlen)
		1490	len = svlen - offset;
		1491
		1492	{
		1493	dREQ;
		1494
		1495	req->type = ix;
		1496	req->sv2 = SvREFCNT_inc (data);
		1497	req->ptr2 = (char *)svptr + offset;
		1498	req->size = len;
		1499	req->int1 = flags;
		1500
		1501	REQ_SEND;
		1502	}
		1503	}
		1504
		1505	void
		1506	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1507	PPCODE:
		1508	{
		1509	STRLEN svlen;
		1510	char *svptr = SvPVbyte (data, svlen);
		1511	UV len = SvUV (length);
		1512
		1513	if (offset < 0)
		1514	offset += svlen;
		1515
		1516	if (offset < 0 || offset > svlen)
		1517	croak ("offset outside of scalar");
		1518
		1519	if (!SvOK (length) || len + offset > svlen)
		1520	len = svlen - offset;
		1521
		1522	{
		1523	dREQ;
		1524
		1525	req->type = EIO_MLOCK;
		1526	req->sv2 = SvREFCNT_inc (data);
		1527	req->ptr2 = (char *)svptr + offset;
		1528	req->size = len;
		1529
		1530	REQ_SEND;
		1531	}
		1532	}
		1533
		1534	void
		1535	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1536	PPCODE:
		1537	{
		1538	dREQ;
		1539
		1540	req->type = EIO_MLOCKALL;
		1541	req->int1 = flags;
		1542
		1543	REQ_SEND;
		1544	}
		1545
		1546	void
890	aio_busy (double delay, SV *callback=&PL_sv_undef)	1547	aio_busy (double delay, SV *callback=&PL_sv_undef)
891	PPCODE:	1548	PPCODE:
892	{	1549	{
893	dREQ;	1550	dREQ;
894		1551
…		…
898	REQ_SEND;	1555	REQ_SEND;
899	}	1556	}
900		1557
901	void	1558	void
902	aio_group (SV *callback=&PL_sv_undef)	1559	aio_group (SV *callback=&PL_sv_undef)
903	PROTOTYPE: ;$
904	PPCODE:	1560	PPCODE:
905	{	1561	{
906	dREQ;	1562	dREQ;
907		1563
908	req->type = EIO_GROUP;	1564	req->type = EIO_GROUP;
909		1565
910	eio_submit (req);	1566	req_submit (req);
911	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1567	XPUSHs (req_sv (req, aio_grp_stash));
912	}	1568	}
913		1569
914	void	1570	void
915	aio_nop (SV *callback=&PL_sv_undef)	1571	aio_nop (SV *callback=&PL_sv_undef)
916	ALIAS:	1572	ALIAS:
…		…
925	REQ_SEND;	1581	REQ_SEND;
926	}	1582	}
927		1583
928	int	1584	int
929	aioreq_pri (int pri = 0)	1585	aioreq_pri (int pri = 0)
930	PROTOTYPE: ;$
931	CODE:	1586	CODE:
932	RETVAL = next_pri - EIO_PRI_BIAS;	1587	RETVAL = next_pri;
933	if (items > 0)	1588	if (items > 0)
934	{	1589	{
935	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1590	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1591	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937	next_pri = pri + EIO_PRI_BIAS;	1592	next_pri = pri;
938	}	1593	}
939	OUTPUT:	1594	OUTPUT:
940	RETVAL	1595	RETVAL
941		1596
942	void	1597	void
943	aioreq_nice (int nice = 0)	1598	aioreq_nice (int nice = 0)
944	CODE:	1599	CODE:
945	nice = next_pri - nice;	1600	nice = next_pri - nice;
946	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1601	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1602	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948	next_pri = nice + EIO_PRI_BIAS;	1603	next_pri = nice;
949		1604
950	void	1605	void
951	flush ()	1606	flush ()
952	PROTOTYPE:
953	CODE:	1607	CODE:
954	while (eio_nreqs ())	1608	while (eio_nreqs ())
955	{	1609	{
956	poll_wait ();	1610	poll_wait ();
957	poll_cb ();	1611	poll_cb ();
958	}	1612	}
959		1613
960	int	1614	int
961	poll()	1615	poll ()
962	PROTOTYPE:
963	CODE:	1616	CODE:
964	poll_wait ();	1617	poll_wait ();
965	RETVAL = poll_cb ();	1618	RETVAL = poll_cb ();
966	OUTPUT:	1619	OUTPUT:
967	RETVAL	1620	RETVAL
968		1621
969	int	1622	int
970	poll_fileno()	1623	poll_fileno ()
971	PROTOTYPE:
972	CODE:	1624	CODE:
973	RETVAL = respipe [0];	1625	RETVAL = s_epipe_fd (&respipe);
974	OUTPUT:	1626	OUTPUT:
975	RETVAL	1627	RETVAL
976		1628
977	int	1629	int
978	poll_cb(...)	1630	poll_cb (...)
979	PROTOTYPE:	1631	PROTOTYPE:
980	CODE:	1632	CODE:
981	RETVAL = poll_cb ();	1633	RETVAL = poll_cb ();
982	OUTPUT:	1634	OUTPUT:
983	RETVAL	1635	RETVAL
984		1636
985	void	1637	void
986	poll_wait()	1638	poll_wait ()
987	PROTOTYPE:
988	CODE:	1639	CODE:
989	poll_wait ();	1640	poll_wait ();
990		1641
991	int	1642	int
992	nreqs()	1643	nreqs ()
993	PROTOTYPE:
994	CODE:	1644	CODE:
995	RETVAL = eio_nreqs ();	1645	RETVAL = eio_nreqs ();
996	OUTPUT:	1646	OUTPUT:
997	RETVAL	1647	RETVAL
998		1648
999	int	1649	int
1000	nready()	1650	nready ()
1001	PROTOTYPE:
1002	CODE:	1651	CODE:
1003	RETVAL = eio_nready ();	1652	RETVAL = eio_nready ();
1004	OUTPUT:	1653	OUTPUT:
1005	RETVAL	1654	RETVAL
1006		1655
1007	int	1656	int
1008	npending()	1657	npending ()
1009	PROTOTYPE:
1010	CODE:	1658	CODE:
1011	RETVAL = eio_npending ();	1659	RETVAL = eio_npending ();
1012	OUTPUT:	1660	OUTPUT:
1013	RETVAL	1661	RETVAL
1014		1662
1015	int	1663	int
1016	nthreads()	1664	nthreads ()
1017	PROTOTYPE:
1018	CODE:	1665	CODE:
1019	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1666	RETVAL = eio_nthreads ();
1020	RETVAL = started;
1021	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022	OUTPUT:	1667	OUTPUT:
1023	RETVAL	1668	RETVAL
		1669
		1670	int
		1671	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1672	CODE:
		1673	RETVAL = posix_fadvise (fh, offset, length, advice);
		1674	OUTPUT:
		1675	RETVAL
		1676
		1677	IV
		1678	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1679	CODE:
		1680	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1681	OUTPUT:
		1682	RETVAL
		1683
		1684	void
		1685	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1686	PPCODE:
		1687	sv_unmagic (scalar, MMAP_MAGIC);
		1688	{
		1689	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1690	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1691	if (addr == (void *)-1)
		1692	XSRETURN_NO;
		1693
		1694	sv_force_normal (scalar);
		1695
		1696	/* we store the length in mg_obj, as namlen is I32 :/ */
		1697	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1698	->mg_obj = (SV *)length;
		1699
		1700	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1701
		1702	if (!(prot & PROT_WRITE))
		1703	SvREADONLY_on (scalar);
		1704
		1705	if (SvLEN (scalar))
		1706	Safefree (SvPVX (scalar));
		1707
		1708	SvPVX (scalar) = (char *)addr;
		1709	SvCUR_set (scalar, length);
		1710	SvLEN_set (scalar, 0);
		1711	SvPOK_only (scalar);
		1712
		1713	XSRETURN_YES;
		1714	}
		1715
		1716	void
		1717	munmap (SV *scalar)
		1718	CODE:
		1719	sv_unmagic (scalar, MMAP_MAGIC);
		1720
		1721	int
		1722	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1723	ALIAS:
		1724	mprotect = 1
		1725	CODE:
		1726	{
		1727	STRLEN svlen;
		1728	void *addr = SvPVbyte (scalar, svlen);
		1729	size_t len = SvUV (length);
		1730
		1731	if (offset < 0)
		1732	offset += svlen;
		1733
		1734	if (offset < 0 || offset > svlen)
		1735	croak ("offset outside of scalar");
		1736
		1737	if (!SvOK (length) || len + offset > svlen)
		1738	len = svlen - offset;
		1739
		1740	addr = (void *)(((intptr_t)addr) + offset);
		1741	eio_page_align (&addr, &len);
		1742
		1743	switch (ix)
		1744	{
		1745	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1746	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1747	}
		1748	}
		1749	OUTPUT:
		1750	RETVAL
		1751
		1752	int
		1753	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1754	CODE:
		1755	{
		1756	STRLEN svlen;
		1757	void *addr = SvPVbyte (scalar, svlen);
		1758	size_t len = SvUV (length);
		1759
		1760	if (offset < 0)
		1761	offset += svlen;
		1762
		1763	if (offset < 0 || offset > svlen)
		1764	croak ("offset outside of scalar");
		1765
		1766	if (!SvOK (length) || len + offset > svlen)
		1767	len = svlen - offset;
		1768
		1769	addr = (void *)(((intptr_t)addr) + offset);
		1770	eio_page_align (&addr, &len);
		1771	#if _POSIX_MEMLOCK_RANGE
		1772	RETVAL = munlock (addr, len);
		1773	#else
		1774	RETVAL = ((errno = ENOSYS), -1);
		1775	#endif
		1776	}
		1777	OUTPUT:
		1778	RETVAL
		1779
		1780	int
		1781	munlockall ()
		1782	CODE:
		1783	#if _POSIX_MEMLOCK
		1784	munlockall ();
		1785	#else
		1786	RETVAL = -1;
		1787	errno = ENOSYS;
		1788	#endif
		1789	OUTPUT:
		1790	RETVAL
1024		1791
1025	void _on_next_submit (SV *cb)	1792	void _on_next_submit (SV *cb)
1026	CODE:	1793	CODE:
1027	SvREFCNT_dec (on_next_submit);	1794	SvREFCNT_dec (on_next_submit);
1028	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1795	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029		1796
1030	PROTOTYPES: DISABLE	1797	PROTOTYPES: DISABLE
1031		1798
		1799	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1800
		1801	BOOT:
		1802	{
		1803	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1804	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1805	}
		1806
		1807	void
		1808	DESTROY (SV *self)
		1809	CODE:
		1810	{
		1811	aio_wd wd = SvAIO_WD (self);
		1812	#if HAVE_AT
		1813	{
		1814	SV *callback = &PL_sv_undef;
		1815	dREQ; /* clobbers next_pri :/ */
		1816	next_pri = req->pri; /* restore next_pri */
		1817	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1818	req->type = EIO_WD_CLOSE;
		1819	req->wd = wd;
		1820	REQ_SEND;
		1821	}
		1822	#else
		1823	eio_wd_close_sync (wd);
		1824	#endif
		1825	}
		1826
1032	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1827	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1033		1828
1034	void	1829	void
1035	cancel (aio_req_ornot req)	1830	cancel (aio_req_ornot req)
1036	CODE:	1831	CODE:
1037	eio_cancel (req);	1832	eio_cancel (req);
1038		1833
1039	void	1834	void
1040	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1835	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1041	CODE:	1836	PPCODE:
		1837	{
		1838	if (GIMME_V != G_VOID)
		1839	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1840
		1841	if (items > 1)
		1842	{
		1843	SV *cb_cv =get_cb (callback);
		1844
1042	SvREFCNT_dec (req->callback);	1845	SvREFCNT_dec (req->callback);
1043	req->callback = newSVsv (callback);	1846	req->callback = SvREFCNT_inc (cb_cv);
		1847	}
		1848	}
1044		1849
1045	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1850	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046		1851
1047	void	1852	void
1048	add (aio_req grp, ...)	1853	add (aio_req grp, ...)
…		…
1080	AV *av;	1885	AV *av;
1081		1886
1082	grp->errorno = errno;	1887	grp->errorno = errno;
1083		1888
1084	av = newAV ();	1889	av = newAV ();
		1890	av_extend (av, items - 1);
1085		1891
1086	for (i = 1; i < items; ++i )	1892	for (i = 1; i < items; ++i )
1087	av_push (av, newSVsv (ST (i)));	1893	av_push (av, newSVsv (ST (i)));
1088		1894
1089	SvREFCNT_dec (grp->sv1);	1895	SvREFCNT_dec (grp->sv1);
…		…
1103	void	1909	void
1104	feed (aio_req grp, SV *callback=&PL_sv_undef)	1910	feed (aio_req grp, SV *callback=&PL_sv_undef)
1105	CODE:	1911	CODE:
1106	{	1912	{
1107	SvREFCNT_dec (grp->sv2);	1913	SvREFCNT_dec (grp->sv2);
1108	grp->sv2 = newSVsv (callback);	1914	grp->sv2 = newSVsv (callback);
		1915	grp->feed = aio_grp_feed;
1109		1916
1110	if (grp->int2 <= 0)	1917	if (grp->int2 <= 0)
1111	grp->int2 = 2;	1918	grp->int2 = 2;
1112		1919
1113	eio_grp_limit (grp, grp->int2);	1920	eio_grp_limit (grp, grp->int2);

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