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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.191 by root, Tue Jul 19 05:00:11 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;
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; \
107	STRLEN stroffset; \	112	STRLEN stroffset; \
108	SV *self;	113	SV *self;
109		114
110	#define EIO_NO_WRAPPERS 1	115	#define EIO_NO_WRAPPERS 1
111		116
		117	#include "libeio/config.h"
112	#include "libeio/eio.h"	118	#include "libeio/eio.h"
113		119
114	static int req_invoke (eio_req *req);	120	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	121	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	122	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	123	#define EIO_DESTROY(req) req_destroy (req)
118		124
		125	#include "libeio/eio.c"
		126
		127	/* Linux/others */
		128	#ifndef O_ASYNC
		129	# define O_ASYNC 0
		130	#endif
		131	#ifndef O_DIRECT
		132	# define O_DIRECT 0
		133	#endif
		134	#ifndef O_NOATIME
		135	# define O_NOATIME 0
		136	#endif
		137
		138	/* POSIX */
		139	#ifndef O_CLOEXEC
		140	# define O_CLOEXEC 0
		141	#endif
		142	#ifndef O_NOFOLLOW
		143	# define O_NOFOLLOW 0
		144	#endif
		145	#ifndef O_NOCTTY
		146	# define O_NOCTTY 0
		147	#endif
		148	#ifndef O_NONBLOCK
		149	# define O_NONBLOCK 0
		150	#endif
		151	#ifndef O_EXEC
		152	# define O_EXEC 0
		153	#endif
		154	#ifndef O_SEARCH
		155	# define O_SEARCH 0
		156	#endif
		157	#ifndef O_DIRECTORY
		158	# define O_DIRECTORY 0
		159	#endif
		160	#ifndef O_DSYNC
		161	# define O_DSYNC 0
		162	#endif
		163	#ifndef O_RSYNC
		164	# define O_RSYNC 0
		165	#endif
		166	#ifndef O_SYNC
		167	# define O_SYNC 0
		168	#endif
		169	#ifndef O_TTY_INIT
		170	# define O_TTY_INIT 0
		171	#endif
		172
		173	#ifndef POSIX_FADV_NORMAL
		174	# define POSIX_FADV_NORMAL 0
		175	#endif
		176	#ifndef POSIX_FADV_SEQUENTIAL
		177	# define POSIX_FADV_SEQUENTIAL 0
		178	#endif
		179	#ifndef POSIX_FADV_RANDOM
		180	# define POSIX_FADV_RANDOM 0
		181	#endif
		182	#ifndef POSIX_FADV_NOREUSE
		183	# define POSIX_FADV_NOREUSE 0
		184	#endif
		185	#ifndef POSIX_FADV_WILLNEED
		186	# define POSIX_FADV_WILLNEED 0
		187	#endif
		188	#ifndef POSIX_FADV_DONTNEED
		189	# define POSIX_FADV_DONTNEED 0
		190	#endif
		191
		192	#if !HAVE_POSIX_FADVISE
		193	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		194	#endif
		195
		196	#ifndef POSIX_MADV_NORMAL
		197	# define POSIX_MADV_NORMAL 0
		198	#endif
		199	#ifndef POSIX_MADV_SEQUENTIAL
		200	# define POSIX_MADV_SEQUENTIAL 0
		201	#endif
		202	#ifndef POSIX_MADV_RANDOM
		203	# define POSIX_MADV_RANDOM 0
		204	#endif
		205	#ifndef POSIX_MADV_WILLNEED
		206	# define POSIX_MADV_WILLNEED 0
		207	#endif
		208	#ifndef POSIX_MADV_DONTNEED
		209	# define POSIX_MADV_DONTNEED 0
		210	#endif
		211
		212	#if !HAVE_POSIX_MADVISE
		213	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		214	#endif
		215
		216	#ifndef PROT_NONE
		217	# define PROT_NONE 0
		218	#endif
		219	#ifndef PROT_READ
		220	# define PROT_READ 0
		221	#endif
		222	#ifndef PROT_WRITE
		223	# define PROT_READ 0
		224	#endif
		225	#ifndef PROT_EXEC
		226	# define PROT_EXEC 0
		227	#endif
		228
		229	#ifndef ST_RDONLY
		230	# define ST_RDONLY 0
		231	#endif
		232	#ifndef ST_NOSUID
		233	# define ST_NOSUID 0
		234	#endif
		235	#ifndef ST_NODEV
		236	# define ST_NODEV 0
		237	#endif
		238	#ifndef ST_NOEXEC
		239	# define ST_NOEXEC 0
		240	#endif
		241	#ifndef ST_SYNCHRONOUS
		242	# define ST_SYNCHRONOUS 0
		243	#endif
		244	#ifndef ST_MANDLOCK
		245	# define ST_MANDLOCK 0
		246	#endif
		247	#ifndef ST_WRITE
		248	# define ST_WRITE 0
		249	#endif
		250	#ifndef ST_APPEND
		251	# define ST_APPEND 0
		252	#endif
		253	#ifndef ST_IMMUTABLE
		254	# define ST_IMMUTABLE 0
		255	#endif
		256	#ifndef ST_NOATIME
		257	# define ST_NOATIME 0
		258	#endif
		259	#ifndef ST_NODIRATIME
		260	# define ST_NODIRATIME 0
		261	#endif
		262	#ifndef ST_RELATIME
		263	# define ST_RELATIME 0
		264	#endif
		265
		266	#ifndef S_IFIFO
		267	# define S_IFIFO 0
		268	#endif
		269	#ifndef S_IFCHR
		270	# define S_IFCHR 0
		271	#endif
		272	#ifndef S_IFBLK
		273	# define S_IFBLK 0
		274	#endif
		275	#ifndef S_IFLNK
		276	# define S_IFLNK 0
		277	#endif
		278	#ifndef S_IFREG
		279	# define S_IFREG 0
		280	#endif
		281	#ifndef S_IFDIR
		282	# define S_IFDIR 0
		283	#endif
		284	#ifndef S_IFWHT
		285	# define S_IFWHT 0
		286	#endif
		287	#ifndef S_IFSOCK
		288	# define S_IFSOCK 0
		289	#endif
		290
		291	#ifndef MAP_ANONYMOUS
		292	# ifdef MAP_ANON
		293	# define MAP_ANONYMOUS MAP_ANON
		294	# else
		295	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		296	# endif
		297	#endif
		298	#ifndef MAP_HUGETLB
		299	# define MAP_HUGETLB 0
		300	#endif
		301	#ifndef MAP_LOCKED
		302	# define MAP_LOCKED 0
		303	#endif
		304	#ifndef MAP_NORESERVE
		305	# define MAP_NORESERVE 0
		306	#endif
		307	#ifndef MAP_POPULATE
		308	# define MAP_POPULATE 0
		309	#endif
		310	#ifndef MAP_NONBLOCK
		311	# define MAP_NONBLOCK 0
		312	#endif
		313
		314	#ifndef makedev
		315	# define makedev(maj,min) (((maj) << 8) | (min))
		316	#endif
		317	#ifndef major
		318	# define major(dev) ((dev) >> 8)
		319	#endif
		320	#ifndef minor
		321	# define minor(dev) ((dev) & 0xff)
		322	#endif
		323
		324	#ifndef PAGESIZE
		325	# define PAGESIZE sysconf (_SC_PAGESIZE)
		326	#endif
		327
119	enum {	328	enum {
120	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121	};	330	};
122		331
123	#include "libeio/eio.c"
124
125	typedef eio_req *aio_req;	332	typedef eio_req *aio_req;
126	typedef eio_req *aio_req_ornot;	333	typedef eio_req *aio_req_ornot;
127		334
128	static SV *on_next_submit;	335	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	336	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	337	static int max_outstanding;
131		338
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	339	static s_epipe respipe;
133		340
134	static void req_destroy (aio_req req);	341	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	342	static void req_cancel (aio_req req);
136		343
137	static void want_poll (void)	344	static void want_poll (void)
138	{	345	{
139	/* write a dummy byte to the pipe so fh becomes ready */	346	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	347	s_epipe_signal (&respipe);
141	}	348	}
142		349
143	static void done_poll (void)	350	static void done_poll (void)
144	{	351	{
145	/* read any signals sent by the worker threads */	352	/* read any signals sent by the worker threads */
146	char buf [4];	353	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	354	}
150		355
151	/* must be called at most once */	356	/* must be called at most once */
152	static SV *req_sv (aio_req req, const char *klass)	357	static SV *req_sv (aio_req req, HV *stash)
153	{	358	{
154	if (!req->self)	359	if (!req->self)
155	{	360	{
156	req->self = (SV *)newHV ();	361	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	363	}
159		364
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	366	}
162		367
163	static aio_req SvAIO_REQ (SV *sv)	368	static aio_req SvAIO_REQ (SV *sv)
164	{	369	{
165	MAGIC *mg;	370	MAGIC *mg;
166		371
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	372	if (!SvROK (sv)
		373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		374	&& SvSTASH (SvRV (sv)) != aio_req_stash
		375	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	376	croak ("object of class IO::AIO::REQ expected");
169		377
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		379
172	return mg ? (aio_req)mg->mg_ptr : 0;	380	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	381	}
…		…
179	dSP;	387	dSP;
180		388
181	ENTER;	389	ENTER;
182	SAVETMPS;	390	SAVETMPS;
183	PUSHMARK (SP);	391	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	392	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	393	PUTBACK;
186	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	394	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187	SPAGAIN;	395	SPAGAIN;
188	FREETMPS;	396	FREETMPS;
189	LEAVE;	397	LEAVE;
…		…
207	}	415	}
208	}	416	}
209		417
210	static int req_invoke (eio_req *req)	418	static int req_invoke (eio_req *req)
211	{	419	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	420	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	421	SvREADONLY_off (req->sv2);
216		422
217	if (!EIO_CANCELLED (req) && req->callback)	423	if (!EIO_CANCELLED (req) && req->callback)
218	{	424	{
		425	dSP;
		426	static SV *sv_result_cache; /* caches the result integer SV */
		427	SV *sv_result;
		428
219	ENTER;	429	ENTER;
220	SAVETMPS;	430	SAVETMPS;
221	PUSHMARK (SP);	431	PUSHMARK (SP);
222	EXTEND (SP, 1);	432	EXTEND (SP, 1);
		433
		434	/* do not recreate the result IV from scratch each time */
		435	if (expect_true (sv_result_cache))
		436	{
		437	sv_result = sv_result_cache; sv_result_cache = 0;
		438	SvIV_set (sv_result, req->result);
		439	SvIOK_only (sv_result);
		440	}
		441	else
		442	{
		443	sv_result = newSViv (req->result);
		444	SvREADONLY_on (sv_result);
		445	}
223		446
224	switch (req->type)	447	switch (req->type)
225	{	448	{
226	case EIO_READDIR:	449	case EIO_READDIR:
227	{	450	{
228	SV *rv = &PL_sv_undef;	451	SV *rv = &PL_sv_undef;
229		452
230	if (req->result >= 0)	453	if (req->result >= 0)
231	{	454	{
232	int i;	455	int i;
233	char *buf = req->ptr2;	456	char *names = (char *)req->ptr2;
		457	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234	AV *av = newAV ();	458	AV *av = newAV ();
235		459
236	av_extend (av, req->result - 1);	460	av_extend (av, req->result - 1);
237		461
238	for (i = 0; i < req->result; ++i)	462	for (i = 0; i < req->result; ++i)
239	{	463	{
240	SV *sv = newSVpv (buf, 0);	464	if (req->int1 & EIO_READDIR_DENTS)
		465	{
		466	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		467
		468	if (req->int1 & EIO_READDIR_CUSTOM2)
		469	{
		470	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		471	AV *avent = newAV ();
		472
		473	av_extend (avent, 2);
		474
		475	if (!sv_type [ent->type])
		476	{
		477	sv_type [ent->type] = newSViv (ent->type);
		478	SvREADONLY_on (sv_type [ent->type]);
		479	}
		480
		481	av_store (avent, 0, namesv);
		482	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		483	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		484
		485	av_store (av, i, newRV_noinc ((SV *)avent));
		486	}
		487	else
242	av_store (av, i, sv);	488	av_store (av, i, namesv);
		489
		490	++ent;
		491	}
		492	else
		493	{
		494	SV *name = newSVpv (names, 0);
		495	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	496	names += SvCUR (name) + 1;
		497	}
244	}	498	}
245		499
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	500	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	501	}
248		502
249	PUSHs (rv);	503	PUSHs (rv);
		504
		505	if (req->int1 & EIO_READDIR_CUSTOM1)
		506	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
250	}	507	}
251	break;	508	break;
252		509
253	case EIO_OPEN:	510	case EIO_OPEN:
254	{	511	{
…		…
260	GV *gv = (GV *)sv_newmortal ();	517	GV *gv = (GV *)sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	518	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
262	char sym [64];	519	char sym [64];
263	int symlen;	520	int symlen;
264		521
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	523	gv_init (gv, aio_stash, sym, symlen, 0);
267		524
268	symlen = snprintf (	525	symlen = snprintf (
269	sym,	526	sym,
270	sizeof (sym),	527	sizeof (sym),
271	"%s&=%d",	528	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	529	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	530	(int)req->result
274	);	531	);
275		532
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	533	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	534	fh = (SV *)gv;
278	}	535	}
279		536
280	PUSHs (fh);	537	PUSHs (fh);
281	}	538	}
		539	break;
		540
		541	case EIO_STATVFS:
		542	case EIO_FSTATVFS:
		543	{
		544	SV *rv = &PL_sv_undef;
		545
		546	#ifndef _WIN32
		547	if (req->result >= 0)
		548	{
		549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		550	HV *hv = newHV ();
		551
		552	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		553
		554	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		555	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		556	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		557	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		558	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		559	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		560	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		561	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		562	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		563	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		564	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		565	}
		566	#endif
		567
		568	PUSHs (rv);
		569	}
		570
282	break;	571	break;
283		572
284	case EIO_GROUP:	573	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	574	req->int1 = 2; /* mark group as finished */
286		575
…		…
298	case EIO_NOP:	587	case EIO_NOP:
299	case EIO_BUSY:	588	case EIO_BUSY:
300	break;	589	break;
301		590
302	case EIO_READLINK:	591	case EIO_READLINK:
		592	case EIO_REALPATH:
303	if (req->result > 0)	593	if (req->result > 0)
304	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	594	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
305	break;	595	break;
306		596
307	case EIO_STAT:	597	case EIO_STAT:
308	case EIO_LSTAT:	598	case EIO_LSTAT:
309	case EIO_FSTAT:	599	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311	PL_laststatval = req->result;	601	PL_laststatval = req->result;
		602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
312	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	603	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	604	PUSHs (sv_result);
314	break;	605	break;
315		606
316	case EIO_READ:	607	case EIO_READ:
317	{	608	{
318	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	609	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
319	*SvEND (req->sv2) = 0;	610	*SvEND (req->sv2) = 0;
320	SvPOK_only (req->sv2);	611	SvPOK_only (req->sv2);
321	SvSETMAGIC (req->sv2);	612	SvSETMAGIC (req->sv2);
322	PUSHs (sv_2mortal (newSViv (req->result)));	613	PUSHs (sv_result);
323	}	614	}
324	break;	615	break;
325		616
326	case EIO_DUP2:	617	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
327	if (req->result > 0)	618	if (req->result > 0)
328	req->result = 0;	619	SvIV_set (sv_result, 0);
329	/* FALLTHROUGH */	620	/* FALLTHROUGH */
330		621
331	default:	622	default:
332	PUSHs (sv_2mortal (newSViv (req->result)));	623	PUSHs (sv_result);
333	break;	624	break;
334	}	625	}
335		626
336	errno = req->errorno;	627	errno = req->errorno;
337		628
338	PUTBACK;	629	PUTBACK;
339	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	630	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
340	SPAGAIN;	631	SPAGAIN;
		632
		633	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		634	SvREFCNT_dec (sv_result);
		635	else
		636	sv_result_cache = sv_result;
341		637
342	FREETMPS;	638	FREETMPS;
343	LEAVE;	639	LEAVE;
344		640
345	PUTBACK;	641	PUTBACK;
…		…
363	Safefree (req);	659	Safefree (req);
364	}	660	}
365		661
366	static void req_cancel_subs (aio_req grp)	662	static void req_cancel_subs (aio_req grp)
367	{	663	{
368	aio_req sub;
369
370	if (grp->type != EIO_GROUP)	664	if (grp->type != EIO_GROUP)
371	return;	665	return;
372		666
373	SvREFCNT_dec (grp->sv2);	667	SvREFCNT_dec (grp->sv2);
374	grp->sv2 = 0;	668	grp->sv2 = 0;
375		669
376	eio_grp_cancel (grp);	670	eio_grp_cancel (grp);
377	}	671	}
378		672
379	#ifdef USE_SOCKETS_AS_HANDLES
380	# define TO_SOCKET(x) (win32_get_osfhandle (x))
381	#else
382	# define TO_SOCKET(x) (x)
383	#endif
384
385	static void
386	create_respipe (void)	673	static void create_respipe (void)
387	{	674	{
388	int old_readfd = respipe [0];
389
390	if (respipe [1] >= 0)
391	respipe_close (TO_SOCKET (respipe [1]));
392
393	#ifdef _WIN32
394	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
395	#else
396	if (pipe (respipe))	675	if (s_epipe_renew (&respipe))
397	#endif
398	croak ("unable to initialize result pipe");	676	croak ("IO::AIO: unable to initialize result pipe");
399
400	if (old_readfd >= 0)
401	{
402	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
403	croak ("unable to initialize result pipe(2)");
404
405	respipe_close (respipe [0]);
406	respipe [0] = old_readfd;
407	}
408
409	#ifdef _WIN32
410	int arg = 1;
411	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
412	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
413	#else
414	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
415	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
416	#endif
417	croak ("unable to initialize result pipe(3)");
418
419	respipe_osf [0] = TO_SOCKET (respipe [0]);
420	respipe_osf [1] = TO_SOCKET (respipe [1]);
421	}	677	}
422		678
423	static void poll_wait (void)	679	static void poll_wait (void)
424	{	680	{
425	fd_set rfd;
426
427	while (eio_nreqs ())	681	while (eio_nreqs ())
428	{	682	{
429	int size;	683	int size;
430		684
431	X_LOCK (reslock);	685	X_LOCK (reslock);
…		…
435	if (size)	689	if (size)
436	return;	690	return;
437		691
438	etp_maybe_start_thread ();	692	etp_maybe_start_thread ();
439		693
440	FD_ZERO (&rfd);	694	s_epipe_wait (&respipe);
441	FD_SET (respipe [0], &rfd);
442
443	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
444	}	695	}
445	}	696	}
446		697
447	static int poll_cb (void)	698	static int poll_cb (void)
448	{	699	{
…		…
458		709
459	poll_wait ();	710	poll_wait ();
460	}	711	}
461	}	712	}
462		713
463	static void atfork_child (void)	714	static void ecb_cold
		715	reinit (void)
464	{	716	{
465	create_respipe ();	717	create_respipe ();
466	}
467		718
468	static SV *	719	if (eio_init (want_poll, done_poll) < 0)
469	get_cb (SV *cb_sv)	720	croak ("IO::AIO: unable to initialise eio library");
470	{	721	}
471	HV *st;
472	GV *gvp;
473	CV *cv;
474		722
475	if (!SvOK (cb_sv))	723	/*****************************************************************************/
		724
		725	#if !_POSIX_MAPPED_FILES
		726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		727	# define munmap(addr,length) (errno = ENOSYS, -1)
		728	#endif
		729
		730	#if !_POSIX_MEMORY_PROTECTION
		731	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		732	# define PROT_NONE 0
		733	# define PROT_WRITE 0
		734	# define MAP_PRIVATE 0
		735	# define MAP_SHARED 0
		736	# define MAP_FIXED 0
		737	#endif
		738
		739	#define MMAP_MAGIC PERL_MAGIC_ext
		740
		741	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		742	{
		743	int old_errno = errno;
		744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		745	errno = old_errno;
		746
		747	mg->mg_obj = 0; /* just in case */
		748
		749	SvREADONLY_off (sv);
		750
		751	if (SvPVX (sv) != mg->mg_ptr)
		752	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		753
		754	SvCUR_set (sv, 0);
		755	SvPVX (sv) = 0;
		756	SvOK_off (sv);
		757
476	return 0;	758	return 0;
		759	}
477		760
478	cv = sv_2cv (cb_sv, &st, &gvp, 0);	761	static MGVTBL mmap_vtbl = {
		762	0, 0, 0, 0, mmap_free
		763	};
479		764
480	if (!cv)	765	/*****************************************************************************/
481	croak ("IO::AIO callback must be undef or a CODE reference");
482		766
483	return (SV *)cv;	767	static SV * get_cb (SV *cb_sv)
		768	{
		769	SvGETMAGIC (cb_sv);
		770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
484	}	771	}
485		772
486	#define dREQ \	773	#define dREQ \
487	SV *cb_cv; \	774	SV *cb_cv; \
488	aio_req req; \	775	aio_req req; \
…		…
502	PUTBACK; \	789	PUTBACK; \
503	req_submit (req); \	790	req_submit (req); \
504	SPAGAIN; \	791	SPAGAIN; \
505	\	792	\
506	if (GIMME_V != G_VOID) \	793	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	794	XPUSHs (req_sv (req, aio_req_stash));
508
509	static int
510	extract_fd (SV *fh, int wr)
511	{
512	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
513
514	if (fd < 0)
515	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
516
517	return fd;
518	}
519		795
520	MODULE = IO::AIO PACKAGE = IO::AIO	796	MODULE = IO::AIO PACKAGE = IO::AIO
521		797
522	PROTOTYPES: ENABLE	798	PROTOTYPES: ENABLE
523		799
524	BOOT:	800	BOOT:
525	{	801	{
		802	static const struct {
		803	const char *name;
		804	IV iv;
		805	} *civ, const_iv[] = {
		806	# define const_niv(name, value) { # name, (IV) value },
		807	# define const_iv(name) { # name, (IV) name },
		808	# define const_eio(name) { # name, (IV) EIO_ ## name },
		809	const_iv (EXDEV)
		810	const_iv (ENOSYS)
		811	const_iv (O_RDONLY)
		812	const_iv (O_WRONLY)
		813	const_iv (O_RDWR)
		814	const_iv (O_CREAT)
		815	const_iv (O_TRUNC)
		816	const_iv (O_EXCL)
		817	const_iv (O_APPEND)
		818
		819	const_iv (O_ASYNC)
		820	const_iv (O_DIRECT)
		821	const_iv (O_NOATIME)
		822
		823	const_iv (O_CLOEXEC)
		824	const_iv (O_NOCTTY)
		825	const_iv (O_NOFOLLOW)
		826	const_iv (O_NONBLOCK)
		827	const_iv (O_EXEC)
		828	const_iv (O_SEARCH)
		829	const_iv (O_DIRECTORY)
		830	const_iv (O_DSYNC)
		831	const_iv (O_RSYNC)
		832	const_iv (O_SYNC)
		833	const_iv (O_TTY_INIT)
		834
		835	const_iv (S_IFIFO)
		836	const_iv (S_IFCHR)
		837	const_iv (S_IFBLK)
		838	const_iv (S_IFLNK)
		839	const_iv (S_IFREG)
		840	const_iv (S_IFDIR)
		841	const_iv (S_IFWHT)
		842	const_iv (S_IFSOCK)
		843	const_iv (S_IFMT)
		844
		845	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		846	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		847	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		848	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		849	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		850	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		851
		852	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		853	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		854	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		855	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		856	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		857
		858	const_iv (ST_RDONLY)
		859	const_iv (ST_NOSUID)
		860	const_iv (ST_NODEV)
		861	const_iv (ST_NOEXEC)
		862	const_iv (ST_SYNCHRONOUS)
		863	const_iv (ST_MANDLOCK)
		864	const_iv (ST_WRITE)
		865	const_iv (ST_APPEND)
		866	const_iv (ST_IMMUTABLE)
		867	const_iv (ST_NOATIME)
		868	const_iv (ST_NODIRATIME)
		869	const_iv (ST_RELATIME)
		870
		871	const_iv (PROT_NONE)
		872	const_iv (PROT_EXEC)
		873	const_iv (PROT_READ)
		874	const_iv (PROT_WRITE)
		875
		876	/*const_iv (MAP_FIXED)*/
		877	const_iv (MAP_PRIVATE)
		878	const_iv (MAP_SHARED)
		879	const_iv (MAP_ANONYMOUS)
		880
		881	/* linuxish */
		882	const_iv (MAP_HUGETLB)
		883	const_iv (MAP_LOCKED)
		884	const_iv (MAP_NORESERVE)
		885	const_iv (MAP_POPULATE)
		886	const_iv (MAP_NONBLOCK)
		887
		888	const_eio (MCL_FUTURE)
		889	const_eio (MCL_CURRENT)
		890
		891	const_eio (MS_ASYNC)
		892	const_eio (MS_INVALIDATE)
		893	const_eio (MS_SYNC)
		894
		895	const_eio (MT_MODIFY)
		896
		897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		898	const_eio (SYNC_FILE_RANGE_WRITE)
		899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		900
		901	const_eio (FALLOC_FL_KEEP_SIZE)
		902
		903	const_eio (READDIR_DENTS)
		904	const_eio (READDIR_DIRS_FIRST)
		905	const_eio (READDIR_STAT_ORDER)
		906	const_eio (READDIR_FOUND_UNKNOWN)
		907
		908	const_eio (DT_UNKNOWN)
		909	const_eio (DT_FIFO)
		910	const_eio (DT_CHR)
		911	const_eio (DT_DIR)
		912	const_eio (DT_BLK)
		913	const_eio (DT_REG)
		914	const_eio (DT_LNK)
		915	const_eio (DT_SOCK)
		916	const_eio (DT_WHT)
		917	};
		918
526	stash = gv_stashpv ("IO::AIO", 1);	919	aio_stash = gv_stashpv ("IO::AIO" , 1);
		920	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		921	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
527		922
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
529	newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS));	924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
530	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
531	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
532	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
533	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
534	#ifndef _WIN32
535	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
536	#endif
537	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));
540	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));
541		925
542	create_respipe ();	926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
543		927
544	if (eio_init (want_poll, done_poll) < 0)	928	reinit ();
545	croak ("IO::AIO: unable to initialise eio library");
546
547	/* atfork child called in fifo order, so before eio's handler */
548	X_THREAD_ATFORK (0, 0, atfork_child);
549	}	929	}
550		930
551	void	931	void
		932	reinit ()
		933	PROTOTYPE:
		934	CODE:
		935	reinit ();
		936
		937	void
552	max_poll_reqs (int nreqs)	938	max_poll_reqs (unsigned int nreqs)
553	PROTOTYPE: $	939	PROTOTYPE: $
554	CODE:	940	CODE:
555	eio_set_max_poll_reqs (nreqs);	941	eio_set_max_poll_reqs (nreqs);
556		942
557	void	943	void
…		…
559	PROTOTYPE: $	945	PROTOTYPE: $
560	CODE:	946	CODE:
561	eio_set_max_poll_time (nseconds);	947	eio_set_max_poll_time (nseconds);
562		948
563	void	949	void
564	min_parallel (int nthreads)	950	min_parallel (unsigned int nthreads)
565	PROTOTYPE: $	951	PROTOTYPE: $
566	CODE:	952	CODE:
567	eio_set_min_parallel (nthreads);	953	eio_set_min_parallel (nthreads);
568		954
569	void	955	void
570	max_parallel (int nthreads)	956	max_parallel (unsigned int nthreads)
571	PROTOTYPE: $	957	PROTOTYPE: $
572	CODE:	958	CODE:
573	eio_set_max_parallel (nthreads);	959	eio_set_max_parallel (nthreads);
574		960
575	void	961	void
576	max_idle (int nthreads)	962	max_idle (unsigned int nthreads)
577	PROTOTYPE: $	963	PROTOTYPE: $
578	CODE:	964	CODE:
579	eio_set_max_idle (nthreads);	965	eio_set_max_idle (nthreads);
580		966
581	void	967	void
		968	idle_timeout (unsigned int seconds)
		969	PROTOTYPE: $
		970	CODE:
		971	eio_set_idle_timeout (seconds);
		972
		973	void
582	max_outstanding (int maxreqs)	974	max_outstanding (unsigned int maxreqs)
583	PROTOTYPE: $	975	PROTOTYPE: $
584	CODE:	976	CODE:
585	max_outstanding = maxreqs;	977	max_outstanding = maxreqs;
586		978
587	void	979	void
588	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	980	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
589	PROTOTYPE: $$$;$
590	PPCODE:	981	PPCODE:
591	{	982	{
592	dREQ;	983	dREQ;
593		984
594	req->type = EIO_OPEN;	985	req->type = EIO_OPEN;
…		…
600	REQ_SEND;	991	REQ_SEND;
601	}	992	}
602		993
603	void	994	void
604	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	995	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
605	PROTOTYPE: $;$
606	ALIAS:	996	ALIAS:
607	aio_fsync = EIO_FSYNC	997	aio_fsync = EIO_FSYNC
608	aio_fdatasync = EIO_FDATASYNC	998	aio_fdatasync = EIO_FDATASYNC
609	PPCODE:	999	PPCODE:
610	{	1000	{
611	int fd = extract_fd (fh, 0);	1001	int fd = s_fileno_croak (fh, 0);
612	dREQ;	1002	dREQ;
613		1003
614	req->type = ix;	1004	req->type = ix;
615	req->sv1 = newSVsv (fh);	1005	req->sv1 = newSVsv (fh);
616	req->int1 = fd;	1006	req->int1 = fd;
617		1007
618	REQ_SEND (req);	1008	REQ_SEND (req);
619	}	1009	}
620		1010
621	void	1011	void
622	aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)	1012	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
623	PROTOTYPE: $$$$;$
624	PPCODE:	1013	PPCODE:
625	{	1014	{
626	int fd = extract_fd (fh, 0);	1015	int fd = s_fileno_croak (fh, 0);
627	dREQ;	1016	dREQ;
628		1017
629	req->type = EIO_SYNC_FILE_RANGE;	1018	req->type = EIO_SYNC_FILE_RANGE;
630	req->sv1 = newSVsv (fh);	1019	req->sv1 = newSVsv (fh);
631	req->int1 = fd;	1020	req->int1 = fd;
632	req->offs = SvVAL64 (offset);	1021	req->offs = offset;
633	req->size = SvVAL64 (nbytes);	1022	req->size = nbytes;
634	req->int2 = flags;	1023	req->int2 = flags;
635		1024
636	REQ_SEND (req);	1025	REQ_SEND (req);
637	}	1026	}
638		1027
639	void	1028	void
		1029	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1030	PPCODE:
		1031	{
		1032	int fd = s_fileno_croak (fh, 0);
		1033	dREQ;
		1034
		1035	req->type = EIO_FALLOCATE;
		1036	req->sv1 = newSVsv (fh);
		1037	req->int1 = fd;
		1038	req->int2 = mode;
		1039	req->offs = offset;
		1040	req->size = len;
		1041
		1042	REQ_SEND (req);
		1043	}
		1044
		1045	void
640	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1046	aio_close (SV *fh, SV *callback=&PL_sv_undef)
641	PROTOTYPE: $;$
642	PPCODE:	1047	PPCODE:
643	{	1048	{
644	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1049	static int close_fd = -1; /* dummy fd to close fds via dup2 */
645	int fd = extract_fd (fh, 0);	1050	int fd = s_fileno_croak (fh, 0);
646	dREQ;	1051	dREQ;
647		1052
648	if (close_pipe < 0)	1053	if (expect_false (close_fd < 0))
649	{	1054	{
650	int pipefd [2];	1055	int pipefd [2];
651		1056
		1057	if (
		1058	#ifdef _WIN32
		1059	_pipe (pipefd, 1, _O_BINARY) < 0
		1060	#else
652	if (pipe (pipefd) < 0	1061	pipe (pipefd) < 0
653	|| close (pipefd [1]) < 0
654	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1062	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1063	#endif
		1064	|| close (pipefd [1]) < 0
		1065	)
655	abort (); /*D*/	1066	abort (); /*D*/
656		1067
657	close_pipe = pipefd [0];	1068	close_fd = pipefd [0];
658	}	1069	}
659		1070
660	req->type = EIO_DUP2;	1071	req->type = EIO_DUP2;
661	req->int1 = close_pipe;	1072	req->int1 = close_fd;
662	req->sv2 = newSVsv (fh);	1073	req->sv2 = newSVsv (fh);
663	req->int2 = fd;	1074	req->int2 = fd;
664		1075
665	REQ_SEND (req);	1076	REQ_SEND (req);
666	}	1077	}
…		…
668	void	1079	void
669	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1080	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
670	ALIAS:	1081	ALIAS:
671	aio_read = EIO_READ	1082	aio_read = EIO_READ
672	aio_write = EIO_WRITE	1083	aio_write = EIO_WRITE
673	PROTOTYPE: $$$$$;$
674	PPCODE:	1084	PPCODE:
675	{	1085	{
676	STRLEN svlen;	1086	STRLEN svlen;
677	int fd = extract_fd (fh, ix == EIO_WRITE);	1087	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
678	char *svptr = SvPVbyte (data, svlen);	1088	char *svptr = SvPVbyte (data, svlen);
679	UV len = SvUV (length);	1089	UV len = SvUV (length);
680		1090
681	if (dataoffset < 0)	1091	if (dataoffset < 0)
682	dataoffset += svlen;	1092	dataoffset += svlen;
…		…
719	}	1129	}
720	}	1130	}
721		1131
722	void	1132	void
723	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1133	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
724	PROTOTYPE: $$;$	1134	ALIAS:
		1135	aio_readlink = EIO_READLINK
		1136	aio_realpath = EIO_REALPATH
725	PPCODE:	1137	PPCODE:
726	{	1138	{
727	SV *data;
728	dREQ;	1139	dREQ;
729		1140
730	req->type = EIO_READLINK;	1141	req->type = ix;
731	req->sv1 = newSVsv (path);	1142	req->sv1 = newSVsv (path);
732	req->ptr1 = SvPVbyte_nolen (req->sv1);	1143	req->ptr1 = SvPVbyte_nolen (req->sv1);
733		1144
734	REQ_SEND;	1145	REQ_SEND;
735	}	1146	}
736		1147
737	void	1148	void
738	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1149	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
739	PROTOTYPE: $$$$;$
740	PPCODE:	1150	PPCODE:
741	{	1151	{
742	int ifd = extract_fd (in_fh , 0);	1152	int ifd = s_fileno_croak (in_fh , 0);
743	int ofd = extract_fd (out_fh, 0);	1153	int ofd = s_fileno_croak (out_fh, 1);
744	dREQ;	1154	dREQ;
745		1155
746	req->type = EIO_SENDFILE;	1156	req->type = EIO_SENDFILE;
747	req->sv1 = newSVsv (out_fh);	1157	req->sv1 = newSVsv (out_fh);
748	req->int1 = ofd;	1158	req->int1 = ofd;
749	req->sv2 = newSVsv (in_fh);	1159	req->sv2 = newSVsv (in_fh);
750	req->int2 = ifd;	1160	req->int2 = ifd;
751	req->offs = SvVAL64 (in_offset);	1161	req->offs = in_offset;
752	req->size = length;	1162	req->size = length;
753		1163
754	REQ_SEND;	1164	REQ_SEND;
755	}	1165	}
756		1166
757	void	1167	void
758	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1168	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
759	PROTOTYPE: $$$;$
760	PPCODE:	1169	PPCODE:
761	{	1170	{
762	int fd = extract_fd (fh, 0);	1171	int fd = s_fileno_croak (fh, 0);
763	dREQ;	1172	dREQ;
764		1173
765	req->type = EIO_READAHEAD;	1174	req->type = EIO_READAHEAD;
766	req->sv1 = newSVsv (fh);	1175	req->sv1 = newSVsv (fh);
767	req->int1 = fd;	1176	req->int1 = fd;
768	req->offs = SvVAL64 (offset);	1177	req->offs = offset;
769	req->size = length;	1178	req->size = length;
770		1179
771	REQ_SEND;	1180	REQ_SEND;
772	}	1181	}
773		1182
774	void	1183	void
775	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1184	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
776	ALIAS:	1185	ALIAS:
777	aio_stat = EIO_STAT	1186	aio_stat = EIO_STAT
778	aio_lstat = EIO_LSTAT	1187	aio_lstat = EIO_LSTAT
		1188	aio_statvfs = EIO_STATVFS
779	PPCODE:	1189	PPCODE:
780	{	1190	{
781	dREQ;	1191	dREQ;
782		1192
783	req->sv1 = newSVsv (fh_or_path);	1193	req->sv1 = newSVsv (fh_or_path);
…		…
787	req->type = ix;	1197	req->type = ix;
788	req->ptr1 = SvPVbyte_nolen (req->sv1);	1198	req->ptr1 = SvPVbyte_nolen (req->sv1);
789	}	1199	}
790	else	1200	else
791	{	1201	{
792	req->type = EIO_FSTAT;	1202	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
793	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1203	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
794	}	1204	}
795		1205
796	REQ_SEND;	1206	REQ_SEND;
797	}	1207	}
		1208
		1209	UV
		1210	major (UV dev)
		1211	ALIAS:
		1212	minor = 1
		1213	CODE:
		1214	RETVAL = ix ? major (dev) : minor (dev);
		1215	OUTPUT:
		1216	RETVAL
		1217
		1218	UV
		1219	makedev (UV maj, UV min)
		1220	CODE:
		1221	RETVAL = makedev (maj, min);
		1222	OUTPUT:
		1223	RETVAL
798		1224
799	void	1225	void
800	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1226	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
801	PPCODE:	1227	PPCODE:
802	{	1228	{
…		…
892		1318
893	REQ_SEND;	1319	REQ_SEND;
894	}	1320	}
895		1321
896	void	1322	void
		1323	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1324	PPCODE:
		1325	{
		1326	dREQ;
		1327
		1328	req->type = EIO_READDIR;
		1329	req->sv1 = newSVsv (pathname);
		1330	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1331	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1332
		1333	if (flags & EIO_READDIR_DENTS)
		1334	req->int1 |= EIO_READDIR_CUSTOM2;
		1335
		1336	REQ_SEND;
		1337	}
		1338
		1339	void
897	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1340	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
898	ALIAS:	1341	ALIAS:
899	aio_unlink = EIO_UNLINK	1342	aio_unlink = EIO_UNLINK
900	aio_rmdir = EIO_RMDIR	1343	aio_rmdir = EIO_RMDIR
901	aio_readdir = EIO_READDIR	1344	aio_readdir = EIO_READDIR
…		…
943		1386
944	REQ_SEND;	1387	REQ_SEND;
945	}	1388	}
946		1389
947	void	1390	void
		1391	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1392	ALIAS:
		1393	aio_mtouch = EIO_MTOUCH
		1394	aio_msync = EIO_MSYNC
		1395	PPCODE:
		1396	{
		1397	STRLEN svlen;
		1398	char *svptr = SvPVbyte (data, svlen);
		1399	UV len = SvUV (length);
		1400
		1401	if (offset < 0)
		1402	offset += svlen;
		1403
		1404	if (offset < 0 || offset > svlen)
		1405	croak ("offset outside of scalar");
		1406
		1407	if (!SvOK (length) || len + offset > svlen)
		1408	len = svlen - offset;
		1409
		1410	{
		1411	dREQ;
		1412
		1413	req->type = ix;
		1414	req->sv2 = SvREFCNT_inc (data);
		1415	req->ptr2 = (char *)svptr + offset;
		1416	req->size = len;
		1417	req->int1 = flags;
		1418
		1419	REQ_SEND;
		1420	}
		1421	}
		1422
		1423	void
		1424	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1425	PPCODE:
		1426	{
		1427	STRLEN svlen;
		1428	char *svptr = SvPVbyte (data, svlen);
		1429	UV len = SvUV (length);
		1430
		1431	if (offset < 0)
		1432	offset += svlen;
		1433
		1434	if (offset < 0 || offset > svlen)
		1435	croak ("offset outside of scalar");
		1436
		1437	if (!SvOK (length) || len + offset > svlen)
		1438	len = svlen - offset;
		1439
		1440	{
		1441	dREQ;
		1442
		1443	req->type = EIO_MLOCK;
		1444	req->sv2 = SvREFCNT_inc (data);
		1445	req->ptr2 = (char *)svptr + offset;
		1446	req->size = len;
		1447
		1448	REQ_SEND;
		1449	}
		1450	}
		1451
		1452	void
		1453	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1454	PPCODE:
		1455	{
		1456	dREQ;
		1457
		1458	req->type = EIO_MLOCKALL;
		1459	req->int1 = flags;
		1460
		1461	REQ_SEND;
		1462	}
		1463
		1464	void
948	aio_busy (double delay, SV *callback=&PL_sv_undef)	1465	aio_busy (double delay, SV *callback=&PL_sv_undef)
949	PPCODE:	1466	PPCODE:
950	{	1467	{
951	dREQ;	1468	dREQ;
952		1469
…		…
956	REQ_SEND;	1473	REQ_SEND;
957	}	1474	}
958		1475
959	void	1476	void
960	aio_group (SV *callback=&PL_sv_undef)	1477	aio_group (SV *callback=&PL_sv_undef)
961	PROTOTYPE: ;$
962	PPCODE:	1478	PPCODE:
963	{	1479	{
964	dREQ;	1480	dREQ;
965		1481
966	req->type = EIO_GROUP;	1482	req->type = EIO_GROUP;
967		1483
968	req_submit (req);	1484	req_submit (req);
969	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1485	XPUSHs (req_sv (req, aio_grp_stash));
970	}	1486	}
971		1487
972	void	1488	void
973	aio_nop (SV *callback=&PL_sv_undef)	1489	aio_nop (SV *callback=&PL_sv_undef)
974	ALIAS:	1490	ALIAS:
…		…
983	REQ_SEND;	1499	REQ_SEND;
984	}	1500	}
985		1501
986	int	1502	int
987	aioreq_pri (int pri = 0)	1503	aioreq_pri (int pri = 0)
988	PROTOTYPE: ;$
989	CODE:	1504	CODE:
990	RETVAL = next_pri;	1505	RETVAL = next_pri;
991	if (items > 0)	1506	if (items > 0)
992	{	1507	{
993	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1508	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1005	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1520	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1006	next_pri = nice;	1521	next_pri = nice;
1007		1522
1008	void	1523	void
1009	flush ()	1524	flush ()
1010	PROTOTYPE:
1011	CODE:	1525	CODE:
1012	while (eio_nreqs ())	1526	while (eio_nreqs ())
1013	{	1527	{
1014	poll_wait ();	1528	poll_wait ();
1015	poll_cb ();	1529	poll_cb ();
1016	}	1530	}
1017		1531
1018	int	1532	int
1019	poll()	1533	poll ()
1020	PROTOTYPE:
1021	CODE:	1534	CODE:
1022	poll_wait ();	1535	poll_wait ();
1023	RETVAL = poll_cb ();	1536	RETVAL = poll_cb ();
1024	OUTPUT:	1537	OUTPUT:
1025	RETVAL	1538	RETVAL
1026		1539
1027	int	1540	int
1028	poll_fileno()	1541	poll_fileno ()
1029	PROTOTYPE:
1030	CODE:	1542	CODE:
1031	RETVAL = respipe [0];	1543	RETVAL = s_epipe_fd (&respipe);
1032	OUTPUT:	1544	OUTPUT:
1033	RETVAL	1545	RETVAL
1034		1546
1035	int	1547	int
1036	poll_cb(...)	1548	poll_cb (...)
1037	PROTOTYPE:	1549	PROTOTYPE:
1038	CODE:	1550	CODE:
1039	RETVAL = poll_cb ();	1551	RETVAL = poll_cb ();
1040	OUTPUT:	1552	OUTPUT:
1041	RETVAL	1553	RETVAL
1042		1554
1043	void	1555	void
1044	poll_wait()	1556	poll_wait ()
1045	PROTOTYPE:
1046	CODE:	1557	CODE:
1047	poll_wait ();	1558	poll_wait ();
1048		1559
1049	int	1560	int
1050	nreqs()	1561	nreqs ()
1051	PROTOTYPE:
1052	CODE:	1562	CODE:
1053	RETVAL = eio_nreqs ();	1563	RETVAL = eio_nreqs ();
1054	OUTPUT:	1564	OUTPUT:
1055	RETVAL	1565	RETVAL
1056		1566
1057	int	1567	int
1058	nready()	1568	nready ()
1059	PROTOTYPE:
1060	CODE:	1569	CODE:
1061	RETVAL = eio_nready ();	1570	RETVAL = eio_nready ();
1062	OUTPUT:	1571	OUTPUT:
1063	RETVAL	1572	RETVAL
1064		1573
1065	int	1574	int
1066	npending()	1575	npending ()
1067	PROTOTYPE:
1068	CODE:	1576	CODE:
1069	RETVAL = eio_npending ();	1577	RETVAL = eio_npending ();
1070	OUTPUT:	1578	OUTPUT:
1071	RETVAL	1579	RETVAL
1072		1580
1073	int	1581	int
1074	nthreads()	1582	nthreads ()
1075	PROTOTYPE:
1076	CODE:	1583	CODE:
1077	RETVAL = eio_nthreads ();	1584	RETVAL = eio_nthreads ();
1078	OUTPUT:	1585	OUTPUT:
1079	RETVAL	1586	RETVAL
1080		1587
		1588	int
		1589	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1590	CODE:
		1591	RETVAL = posix_fadvise (fh, offset, length, advice);
		1592	OUTPUT:
		1593	RETVAL
		1594
		1595	IV
		1596	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1597	CODE:
		1598	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1599	OUTPUT:
		1600	RETVAL
		1601
		1602	void
		1603	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1604	PPCODE:
		1605	sv_unmagic (scalar, MMAP_MAGIC);
		1606	{
		1607	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1608	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1609	if (addr == (void *)-1)
		1610	XSRETURN_NO;
		1611
		1612	sv_force_normal (scalar);
		1613
		1614	/* we store the length in mg_obj, as namlen is I32 :/ */
		1615	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1616	->mg_obj = (SV *)length;
		1617
		1618	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1619
		1620	if (!(prot & PROT_WRITE))
		1621	SvREADONLY_on (scalar);
		1622
		1623	if (SvLEN (scalar))
		1624	Safefree (SvPVX (scalar));
		1625
		1626	SvPVX (scalar) = (char *)addr;
		1627	SvCUR_set (scalar, length);
		1628	SvLEN_set (scalar, 0);
		1629	SvPOK_only (scalar);
		1630
		1631	XSRETURN_YES;
		1632	}
		1633
		1634	void
		1635	munmap (SV *scalar)
		1636	CODE:
		1637	sv_unmagic (scalar, MMAP_MAGIC);
		1638
		1639	int
		1640	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1641	ALIAS:
		1642	mprotect = 1
		1643	CODE:
		1644	{
		1645	STRLEN svlen;
		1646	void *addr = SvPVbyte (scalar, svlen);
		1647	size_t len = SvUV (length);
		1648
		1649	if (offset < 0)
		1650	offset += svlen;
		1651
		1652	if (offset < 0 || offset > svlen)
		1653	croak ("offset outside of scalar");
		1654
		1655	if (!SvOK (length) || len + offset > svlen)
		1656	len = svlen - offset;
		1657
		1658	addr = (void *)(((intptr_t)addr) + offset);
		1659	eio_page_align (&addr, &len);
		1660
		1661	switch (ix)
		1662	{
		1663	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1664	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1665	}
		1666	}
		1667	OUTPUT:
		1668	RETVAL
		1669
		1670	int
		1671	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1672	CODE:
		1673	{
		1674	STRLEN svlen;
		1675	void *addr = SvPVbyte (scalar, svlen);
		1676	size_t len = SvUV (length);
		1677
		1678	if (offset < 0)
		1679	offset += svlen;
		1680
		1681	if (offset < 0 || offset > svlen)
		1682	croak ("offset outside of scalar");
		1683
		1684	if (!SvOK (length) || len + offset > svlen)
		1685	len = svlen - offset;
		1686
		1687	addr = (void *)(((intptr_t)addr) + offset);
		1688	eio_page_align (&addr, &len);
		1689	#if _POSIX_MEMLOCK_RANGE
		1690	RETVAL = munlock (addr, len);
		1691	#else
		1692	RETVAL = ((errno = ENOSYS), -1);
		1693	#endif
		1694	}
		1695	OUTPUT:
		1696	RETVAL
		1697
		1698	int
		1699	munlockall ()
		1700	CODE:
		1701	#if _POSIX_MEMLOCK
		1702	munlockall ();
		1703	#else
		1704	RETVAL = -1;
		1705	errno = ENOSYS;
		1706	#endif
		1707	OUTPUT:
		1708	RETVAL
		1709
1081	void _on_next_submit (SV *cb)	1710	void _on_next_submit (SV *cb)
1082	CODE:	1711	CODE:
1083	SvREFCNT_dec (on_next_submit);	1712	SvREFCNT_dec (on_next_submit);
1084	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1713	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1085		1714
…		…
1099	if (GIMME_V != G_VOID)	1728	if (GIMME_V != G_VOID)
1100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1729	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1101		1730
1102	if (items > 1)	1731	if (items > 1)
1103	{	1732	{
1104	SV *cb_cv = get_cb (callback);	1733	SV *cb_cv =get_cb (callback);
1105		1734
1106	SvREFCNT_dec (req->callback);	1735	SvREFCNT_dec (req->callback);
1107	req->callback = SvREFCNT_inc (cb_cv);	1736	req->callback = SvREFCNT_inc (cb_cv);
1108	}	1737	}
1109	}	1738	}
…		…
1146	AV *av;	1775	AV *av;
1147		1776
1148	grp->errorno = errno;	1777	grp->errorno = errno;
1149		1778
1150	av = newAV ();	1779	av = newAV ();
		1780	av_extend (av, items - 1);
1151		1781
1152	for (i = 1; i < items; ++i )	1782	for (i = 1; i < items; ++i )
1153	av_push (av, newSVsv (ST (i)));	1783	av_push (av, newSVsv (ST (i)));
1154		1784
1155	SvREFCNT_dec (grp->sv1);	1785	SvREFCNT_dec (grp->sv1);

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