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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.144 by root, Fri Jun 12 16:48:08 2009 UTC vs.
Revision 1.194 by root, Fri Jul 29 08:35:36 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	if (req->int1 & EIO_READDIR_DENTS)	464	if (req->int1 & EIO_READDIR_DENTS)
241	{	465	{
242	eio_dirent *ent = (eio_dirent *)buf;
243	SV *namesv = newSVpvn (ent->name, ent->namelen);	466	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244		467
245	if (req->int1 & EIO_READDIR_CUSTOM2)	468	if (req->int1 & EIO_READDIR_CUSTOM2)
246	{	469	{
247	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */	470	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248	AV *avent = newAV ();	471	AV *avent = newAV ();
…		…
262	av_store (av, i, newRV_noinc ((SV *)avent));	485	av_store (av, i, newRV_noinc ((SV *)avent));
263	}	486	}
264	else	487	else
265	av_store (av, i, namesv);	488	av_store (av, i, namesv);
266		489
267	buf += sizeof (eio_dirent);	490	++ent;
268	}	491	}
269	else	492	else
270	{	493	{
271	SV *name = newSVpv (buf, 0);	494	SV *name = newSVpv (names, 0);
272	av_store (av, i, name);	495	av_store (av, i, name);
273	buf += SvCUR (name) + 1;	496	names += SvCUR (name) + 1;
274	}	497	}
275	}	498	}
276		499
277	rv = sv_2mortal (newRV_noinc ((SV *)av));	500	rv = sv_2mortal (newRV_noinc ((SV *)av));
278	}	501	}
…		…
294	GV *gv = (GV *)sv_newmortal ();	517	GV *gv = (GV *)sv_newmortal ();
295	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	518	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
296	char sym [64];	519	char sym [64];
297	int symlen;	520	int symlen;
298		521
299	symlen = snprintf (sym, sizeof (sym), "fd#%u", (unsigned int)req->result);	522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
300	gv_init (gv, stash, sym, symlen, 0);	523	gv_init (gv, aio_stash, sym, symlen, 0);
301		524
302	symlen = snprintf (	525	symlen = snprintf (
303	sym,	526	sym,
304	sizeof (sym),	527	sizeof (sym),
305	"%s&=%u",	528	"%s&=%d",
306	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	529	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307	(unsigned int)req->result	530	(int)req->result
308	);	531	);
309		532
310	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	533	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
311	fh = (SV *)gv;	534	fh = (SV *)gv;
312	}	535	}
313		536
314	PUSHs (fh);	537	PUSHs (fh);
315	}	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
316	break;	571	break;
317		572
318	case EIO_GROUP:	573	case EIO_GROUP:
319	req->int1 = 2; /* mark group as finished */	574	req->int1 = 2; /* mark group as finished */
320		575
…		…
332	case EIO_NOP:	587	case EIO_NOP:
333	case EIO_BUSY:	588	case EIO_BUSY:
334	break;	589	break;
335		590
336	case EIO_READLINK:	591	case EIO_READLINK:
		592	case EIO_REALPATH:
337	if (req->result > 0)	593	if (req->result > 0)
338	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	594	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339	break;	595	break;
340		596
341	case EIO_STAT:	597	case EIO_STAT:
342	case EIO_LSTAT:	598	case EIO_LSTAT:
343	case EIO_FSTAT:	599	case EIO_FSTAT:
344	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
345	PL_laststatval = req->result;	601	PL_laststatval = req->result;
		602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
346	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	603	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347	PUSHs (sv_2mortal (newSViv (req->result)));	604	PUSHs (sv_result);
348	break;	605	break;
349		606
350	case EIO_READ:	607	case EIO_READ:
351	{	608	{
352	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));
353	*SvEND (req->sv2) = 0;	610	*SvEND (req->sv2) = 0;
354	SvPOK_only (req->sv2);	611	SvPOK_only (req->sv2);
355	SvSETMAGIC (req->sv2);	612	SvSETMAGIC (req->sv2);
356	PUSHs (sv_2mortal (newSViv (req->result)));	613	PUSHs (sv_result);
357	}	614	}
358	break;	615	break;
359		616
360	case EIO_DUP2:	617	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
361	if (req->result > 0)	618	if (req->result > 0)
362	req->result = 0;	619	SvIV_set (sv_result, 0);
363	/* FALLTHROUGH */	620	/* FALLTHROUGH */
364		621
365	default:	622	default:
366	PUSHs (sv_2mortal (newSViv (req->result)));	623	PUSHs (sv_result);
367	break;	624	break;
368	}	625	}
369		626
370	errno = req->errorno;	627	errno = req->errorno;
371		628
372	PUTBACK;	629	PUTBACK;
373	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	630	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374	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;
375		637
376	FREETMPS;	638	FREETMPS;
377	LEAVE;	639	LEAVE;
378		640
379	PUTBACK;	641	PUTBACK;
…		…
397	Safefree (req);	659	Safefree (req);
398	}	660	}
399		661
400	static void req_cancel_subs (aio_req grp)	662	static void req_cancel_subs (aio_req grp)
401	{	663	{
402	aio_req sub;
403
404	if (grp->type != EIO_GROUP)	664	if (grp->type != EIO_GROUP)
405	return;	665	return;
406		666
407	SvREFCNT_dec (grp->sv2);	667	SvREFCNT_dec (grp->sv2);
408	grp->sv2 = 0;	668	grp->sv2 = 0;
409		669
410	eio_grp_cancel (grp);	670	eio_grp_cancel (grp);
411	}	671	}
412		672
413	#ifdef USE_SOCKETS_AS_HANDLES
414	# define TO_SOCKET(x) (win32_get_osfhandle (x))
415	#else
416	# define TO_SOCKET(x) (x)
417	#endif
418
419	static void
420	create_respipe (void)	673	static void create_respipe (void)
421	{	674	{
422	int old_readfd = respipe [0];
423
424	if (respipe [1] >= 0)
425	respipe_close (TO_SOCKET (respipe [1]));
426
427	#ifdef _WIN32
428	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429	#else
430	if (pipe (respipe))	675	if (s_epipe_renew (&respipe))
431	#endif
432	croak ("unable to initialize result pipe");	676	croak ("IO::AIO: unable to initialize result pipe");
433
434	if (old_readfd >= 0)
435	{
436	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437	croak ("unable to initialize result pipe(2)");
438
439	respipe_close (respipe [0]);
440	respipe [0] = old_readfd;
441	}
442
443	#ifdef _WIN32
444	int arg = 1;
445	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447	#else
448	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450	#endif
451	croak ("unable to initialize result pipe(3)");
452
453	respipe_osf [0] = TO_SOCKET (respipe [0]);
454	respipe_osf [1] = TO_SOCKET (respipe [1]);
455	}	677	}
456		678
457	static void poll_wait (void)	679	static void poll_wait (void)
458	{	680	{
459	fd_set rfd;
460
461	while (eio_nreqs ())	681	while (eio_nreqs ())
462	{	682	{
463	int size;	683	int size;
464		684
465	X_LOCK (reslock);	685	X_LOCK (reslock);
…		…
469	if (size)	689	if (size)
470	return;	690	return;
471		691
472	etp_maybe_start_thread ();	692	etp_maybe_start_thread ();
473		693
474	FD_ZERO (&rfd);	694	s_epipe_wait (&respipe);
475	FD_SET (respipe [0], &rfd);
476
477	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478	}	695	}
479	}	696	}
480		697
481	static int poll_cb (void)	698	static int poll_cb (void)
482	{	699	{
…		…
492		709
493	poll_wait ();	710	poll_wait ();
494	}	711	}
495	}	712	}
496		713
497	static void atfork_child (void)	714	static void ecb_cold
		715	reinit (void)
498	{	716	{
499	create_respipe ();	717	create_respipe ();
500	}
501		718
502	static SV *	719	if (eio_init (want_poll, done_poll) < 0)
503	get_cb (SV *cb_sv)	720	croak ("IO::AIO: unable to initialise eio library");
504	{	721	}
505	HV *st;
506	GV *gvp;
507	CV *cv;
508		722
509	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
510	return 0;	758	return 0;
		759	}
511		760
512	cv = sv_2cv (cb_sv, &st, &gvp, 0);	761	static MGVTBL mmap_vtbl = {
		762	0, 0, 0, 0, mmap_free
		763	};
513		764
514	if (!cv)	765	/*****************************************************************************/
515	croak ("IO::AIO callback must be undef or a CODE reference");
516		766
517	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;
518	}	771	}
519		772
520	#define dREQ \	773	#define dREQ \
521	SV *cb_cv; \	774	SV *cb_cv; \
522	aio_req req; \	775	aio_req req; \
…		…
536	PUTBACK; \	789	PUTBACK; \
537	req_submit (req); \	790	req_submit (req); \
538	SPAGAIN; \	791	SPAGAIN; \
539	\	792	\
540	if (GIMME_V != G_VOID) \	793	if (GIMME_V != G_VOID) \
541	XPUSHs (req_sv (req, AIO_REQ_KLASS));	794	XPUSHs (req_sv (req, aio_req_stash));
542
543	static int
544	extract_fd (SV *fh, int wr)
545	{
546	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
547
548	if (fd < 0)
549	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551	return fd;
552	}
553		795
554	MODULE = IO::AIO PACKAGE = IO::AIO	796	MODULE = IO::AIO PACKAGE = IO::AIO
555		797
556	PROTOTYPES: ENABLE	798	PROTOTYPES: ENABLE
557		799
558	BOOT:	800	BOOT:
559	{	801	{
560	stash = gv_stashpv ("IO::AIO", 1);
561
562	static const struct {	802	static const struct {
563	const char *name;	803	const char *name;
564	IV iv;	804	IV iv;
565	} *civ, const_iv[] = {	805	} *civ, const_iv[] = {
566	# define const_iv(name, value) { # name, (IV) value },	806	# define const_niv(name, value) { # name, (IV) value },
		807	# define const_iv(name) { # name, (IV) name },
567	# define const_eio(name) { # name, (IV) EIO_ ## name },	808	# define const_eio(name) { # name, (IV) EIO_ ## name },
568	const_iv (EXDEV , EXDEV)	809	const_iv (EXDEV)
569	const_iv (ENOSYS , ENOSYS)	810	const_iv (ENOSYS)
570	const_iv (O_RDONLY, O_RDONLY)	811	const_iv (O_RDONLY)
571	const_iv (O_WRONLY, O_WRONLY)	812	const_iv (O_WRONLY)
		813	const_iv (O_RDWR)
572	const_iv (O_CREAT , O_CREAT)	814	const_iv (O_CREAT)
573	const_iv (O_TRUNC , O_TRUNC)	815	const_iv (O_TRUNC)
574	#ifndef _WIN32	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
575	const_iv (S_IFIFO , S_IFIFO)	835	const_iv (S_IFIFO)
576	#endif	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
577	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578	const_eio (SYNC_FILE_RANGE_WRITE)	898	const_eio (SYNC_FILE_RANGE_WRITE)
579	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		900
		901	const_eio (FALLOC_FL_KEEP_SIZE)
580		902
581	const_eio (READDIR_DENTS)	903	const_eio (READDIR_DENTS)
582	const_eio (READDIR_DIRS_FIRST)	904	const_eio (READDIR_DIRS_FIRST)
583	const_eio (READDIR_STAT_ORDER)	905	const_eio (READDIR_STAT_ORDER)
584	const_eio (READDIR_FOUND_UNKNOWN)	906	const_eio (READDIR_FOUND_UNKNOWN)
…		…
592	const_eio (DT_LNK)	914	const_eio (DT_LNK)
593	const_eio (DT_SOCK)	915	const_eio (DT_SOCK)
594	const_eio (DT_WHT)	916	const_eio (DT_WHT)
595	};	917	};
596		918
		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);
		922
597	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
598	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	924	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599		925
600	create_respipe ();	926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601		927
602	if (eio_init (want_poll, done_poll) < 0)	928	reinit ();
603	croak ("IO::AIO: unable to initialise eio library");
604
605	/* atfork child called in fifo order, so before eio's handler */
606	X_THREAD_ATFORK (0, 0, atfork_child);
607	}	929	}
608		930
609	void	931	void
		932	reinit ()
		933	PROTOTYPE:
		934
		935	void
610	max_poll_reqs (int nreqs)	936	max_poll_reqs (unsigned int nreqs)
611	PROTOTYPE: $	937	PROTOTYPE: $
612	CODE:	938	CODE:
613	eio_set_max_poll_reqs (nreqs);	939	eio_set_max_poll_reqs (nreqs);
614		940
615	void	941	void
…		…
617	PROTOTYPE: $	943	PROTOTYPE: $
618	CODE:	944	CODE:
619	eio_set_max_poll_time (nseconds);	945	eio_set_max_poll_time (nseconds);
620		946
621	void	947	void
622	min_parallel (int nthreads)	948	min_parallel (unsigned int nthreads)
623	PROTOTYPE: $	949	PROTOTYPE: $
624	CODE:	950	CODE:
625	eio_set_min_parallel (nthreads);	951	eio_set_min_parallel (nthreads);
626		952
627	void	953	void
628	max_parallel (int nthreads)	954	max_parallel (unsigned int nthreads)
629	PROTOTYPE: $	955	PROTOTYPE: $
630	CODE:	956	CODE:
631	eio_set_max_parallel (nthreads);	957	eio_set_max_parallel (nthreads);
632		958
633	void	959	void
634	max_idle (int nthreads)	960	max_idle (unsigned int nthreads)
635	PROTOTYPE: $	961	PROTOTYPE: $
636	CODE:	962	CODE:
637	eio_set_max_idle (nthreads);	963	eio_set_max_idle (nthreads);
638		964
639	void	965	void
		966	idle_timeout (unsigned int seconds)
		967	PROTOTYPE: $
		968	CODE:
		969	eio_set_idle_timeout (seconds);
		970
		971	void
640	max_outstanding (int maxreqs)	972	max_outstanding (unsigned int maxreqs)
641	PROTOTYPE: $	973	PROTOTYPE: $
642	CODE:	974	CODE:
643	max_outstanding = maxreqs;	975	max_outstanding = maxreqs;
644		976
645	void	977	void
646	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	978	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
647	PROTOTYPE: $$$;$
648	PPCODE:	979	PPCODE:
649	{	980	{
650	dREQ;	981	dREQ;
651		982
652	req->type = EIO_OPEN;	983	req->type = EIO_OPEN;
…		…
658	REQ_SEND;	989	REQ_SEND;
659	}	990	}
660		991
661	void	992	void
662	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	993	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $;$
664	ALIAS:	994	ALIAS:
665	aio_fsync = EIO_FSYNC	995	aio_fsync = EIO_FSYNC
666	aio_fdatasync = EIO_FDATASYNC	996	aio_fdatasync = EIO_FDATASYNC
		997	aio_syncfs = EIO_SYNCFS
667	PPCODE:	998	PPCODE:
668	{	999	{
669	int fd = extract_fd (fh, 0);	1000	int fd = s_fileno_croak (fh, 0);
670	dREQ;	1001	dREQ;
671		1002
672	req->type = ix;	1003	req->type = ix;
673	req->sv1 = newSVsv (fh);	1004	req->sv1 = newSVsv (fh);
674	req->int1 = fd;	1005	req->int1 = fd;
675		1006
676	REQ_SEND (req);	1007	REQ_SEND (req);
677	}	1008	}
678		1009
679	void	1010	void
680	aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)	1011	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
681	PROTOTYPE: $$$$;$
682	PPCODE:	1012	PPCODE:
683	{	1013	{
684	int fd = extract_fd (fh, 0);	1014	int fd = s_fileno_croak (fh, 0);
685	dREQ;	1015	dREQ;
686		1016
687	req->type = EIO_SYNC_FILE_RANGE;	1017	req->type = EIO_SYNC_FILE_RANGE;
688	req->sv1 = newSVsv (fh);	1018	req->sv1 = newSVsv (fh);
689	req->int1 = fd;	1019	req->int1 = fd;
690	req->offs = SvVAL64 (offset);	1020	req->offs = offset;
691	req->size = SvVAL64 (nbytes);	1021	req->size = nbytes;
692	req->int2 = flags;	1022	req->int2 = flags;
693		1023
694	REQ_SEND (req);	1024	REQ_SEND (req);
695	}	1025	}
696		1026
697	void	1027	void
		1028	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1029	PPCODE:
		1030	{
		1031	int fd = s_fileno_croak (fh, 0);
		1032	dREQ;
		1033
		1034	req->type = EIO_FALLOCATE;
		1035	req->sv1 = newSVsv (fh);
		1036	req->int1 = fd;
		1037	req->int2 = mode;
		1038	req->offs = offset;
		1039	req->size = len;
		1040
		1041	REQ_SEND (req);
		1042	}
		1043
		1044	void
698	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1045	aio_close (SV *fh, SV *callback=&PL_sv_undef)
699	PROTOTYPE: $;$
700	PPCODE:	1046	PPCODE:
701	{	1047	{
702	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1048	static int close_fd = -1; /* dummy fd to close fds via dup2 */
703	int fd = extract_fd (fh, 0);	1049	int fd = s_fileno_croak (fh, 0);
704	dREQ;	1050	dREQ;
705		1051
706	if (close_pipe < 0)	1052	if (expect_false (close_fd < 0))
707	{	1053	{
708	int pipefd [2];	1054	int pipefd [2];
709		1055
		1056	if (
		1057	#ifdef _WIN32
		1058	_pipe (pipefd, 1, _O_BINARY) < 0
		1059	#else
710	if (pipe (pipefd) < 0	1060	pipe (pipefd) < 0
711	|| close (pipefd [1]) < 0
712	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1061	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1062	#endif
		1063	|| close (pipefd [1]) < 0
		1064	)
713	abort (); /*D*/	1065	abort (); /*D*/
714		1066
715	close_pipe = pipefd [0];	1067	close_fd = pipefd [0];
716	}	1068	}
717		1069
718	req->type = EIO_DUP2;	1070	req->type = EIO_DUP2;
719	req->int1 = close_pipe;	1071	req->int1 = close_fd;
720	req->sv2 = newSVsv (fh);	1072	req->sv2 = newSVsv (fh);
721	req->int2 = fd;	1073	req->int2 = fd;
722		1074
723	REQ_SEND (req);	1075	REQ_SEND (req);
724	}	1076	}
…		…
726	void	1078	void
727	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1079	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
728	ALIAS:	1080	ALIAS:
729	aio_read = EIO_READ	1081	aio_read = EIO_READ
730	aio_write = EIO_WRITE	1082	aio_write = EIO_WRITE
731	PROTOTYPE: $$$$$;$
732	PPCODE:	1083	PPCODE:
733	{	1084	{
734	STRLEN svlen;	1085	STRLEN svlen;
735	int fd = extract_fd (fh, ix == EIO_WRITE);	1086	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736	char *svptr = SvPVbyte (data, svlen);	1087	char *svptr = SvPVbyte (data, svlen);
737	UV len = SvUV (length);	1088	UV len = SvUV (length);
738		1089
739	if (dataoffset < 0)	1090	if (dataoffset < 0)
740	dataoffset += svlen;	1091	dataoffset += svlen;
…		…
777	}	1128	}
778	}	1129	}
779		1130
780	void	1131	void
781	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1132	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
782	PROTOTYPE: $$;$	1133	ALIAS:
		1134	aio_readlink = EIO_READLINK
		1135	aio_realpath = EIO_REALPATH
783	PPCODE:	1136	PPCODE:
784	{	1137	{
785	SV *data;
786	dREQ;	1138	dREQ;
787		1139
788	req->type = EIO_READLINK;	1140	req->type = ix;
789	req->sv1 = newSVsv (path);	1141	req->sv1 = newSVsv (path);
790	req->ptr1 = SvPVbyte_nolen (req->sv1);	1142	req->ptr1 = SvPVbyte_nolen (req->sv1);
791		1143
792	REQ_SEND;	1144	REQ_SEND;
793	}	1145	}
794		1146
795	void	1147	void
796	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1148	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
797	PROTOTYPE: $$$$;$
798	PPCODE:	1149	PPCODE:
799	{	1150	{
800	int ifd = extract_fd (in_fh , 0);	1151	int ifd = s_fileno_croak (in_fh , 0);
801	int ofd = extract_fd (out_fh, 0);	1152	int ofd = s_fileno_croak (out_fh, 1);
802	dREQ;	1153	dREQ;
803		1154
804	req->type = EIO_SENDFILE;	1155	req->type = EIO_SENDFILE;
805	req->sv1 = newSVsv (out_fh);	1156	req->sv1 = newSVsv (out_fh);
806	req->int1 = ofd;	1157	req->int1 = ofd;
807	req->sv2 = newSVsv (in_fh);	1158	req->sv2 = newSVsv (in_fh);
808	req->int2 = ifd;	1159	req->int2 = ifd;
809	req->offs = SvVAL64 (in_offset);	1160	req->offs = in_offset;
810	req->size = length;	1161	req->size = length;
811		1162
812	REQ_SEND;	1163	REQ_SEND;
813	}	1164	}
814		1165
815	void	1166	void
816	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1167	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
817	PROTOTYPE: $$$;$
818	PPCODE:	1168	PPCODE:
819	{	1169	{
820	int fd = extract_fd (fh, 0);	1170	int fd = s_fileno_croak (fh, 0);
821	dREQ;	1171	dREQ;
822		1172
823	req->type = EIO_READAHEAD;	1173	req->type = EIO_READAHEAD;
824	req->sv1 = newSVsv (fh);	1174	req->sv1 = newSVsv (fh);
825	req->int1 = fd;	1175	req->int1 = fd;
826	req->offs = SvVAL64 (offset);	1176	req->offs = offset;
827	req->size = length;	1177	req->size = length;
828		1178
829	REQ_SEND;	1179	REQ_SEND;
830	}	1180	}
831		1181
832	void	1182	void
833	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1183	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
834	ALIAS:	1184	ALIAS:
835	aio_stat = EIO_STAT	1185	aio_stat = EIO_STAT
836	aio_lstat = EIO_LSTAT	1186	aio_lstat = EIO_LSTAT
		1187	aio_statvfs = EIO_STATVFS
837	PPCODE:	1188	PPCODE:
838	{	1189	{
839	dREQ;	1190	dREQ;
840		1191
841	req->sv1 = newSVsv (fh_or_path);	1192	req->sv1 = newSVsv (fh_or_path);
…		…
845	req->type = ix;	1196	req->type = ix;
846	req->ptr1 = SvPVbyte_nolen (req->sv1);	1197	req->ptr1 = SvPVbyte_nolen (req->sv1);
847	}	1198	}
848	else	1199	else
849	{	1200	{
850	req->type = EIO_FSTAT;	1201	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
851	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1202	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852	}	1203	}
853		1204
854	REQ_SEND;	1205	REQ_SEND;
855	}	1206	}
		1207
		1208	UV
		1209	major (UV dev)
		1210	ALIAS:
		1211	minor = 1
		1212	CODE:
		1213	RETVAL = ix ? major (dev) : minor (dev);
		1214	OUTPUT:
		1215	RETVAL
		1216
		1217	UV
		1218	makedev (UV maj, UV min)
		1219	CODE:
		1220	RETVAL = makedev (maj, min);
		1221	OUTPUT:
		1222	RETVAL
856		1223
857	void	1224	void
858	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1225	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
859	PPCODE:	1226	PPCODE:
860	{	1227	{
…		…
1018		1385
1019	REQ_SEND;	1386	REQ_SEND;
1020	}	1387	}
1021		1388
1022	void	1389	void
		1390	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1391	ALIAS:
		1392	aio_mtouch = EIO_MTOUCH
		1393	aio_msync = EIO_MSYNC
		1394	PPCODE:
		1395	{
		1396	STRLEN svlen;
		1397	char *svptr = SvPVbyte (data, svlen);
		1398	UV len = SvUV (length);
		1399
		1400	if (offset < 0)
		1401	offset += svlen;
		1402
		1403	if (offset < 0 || offset > svlen)
		1404	croak ("offset outside of scalar");
		1405
		1406	if (!SvOK (length) || len + offset > svlen)
		1407	len = svlen - offset;
		1408
		1409	{
		1410	dREQ;
		1411
		1412	req->type = ix;
		1413	req->sv2 = SvREFCNT_inc (data);
		1414	req->ptr2 = (char *)svptr + offset;
		1415	req->size = len;
		1416	req->int1 = flags;
		1417
		1418	REQ_SEND;
		1419	}
		1420	}
		1421
		1422	void
		1423	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1424	PPCODE:
		1425	{
		1426	STRLEN svlen;
		1427	char *svptr = SvPVbyte (data, svlen);
		1428	UV len = SvUV (length);
		1429
		1430	if (offset < 0)
		1431	offset += svlen;
		1432
		1433	if (offset < 0 || offset > svlen)
		1434	croak ("offset outside of scalar");
		1435
		1436	if (!SvOK (length) || len + offset > svlen)
		1437	len = svlen - offset;
		1438
		1439	{
		1440	dREQ;
		1441
		1442	req->type = EIO_MLOCK;
		1443	req->sv2 = SvREFCNT_inc (data);
		1444	req->ptr2 = (char *)svptr + offset;
		1445	req->size = len;
		1446
		1447	REQ_SEND;
		1448	}
		1449	}
		1450
		1451	void
		1452	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1453	PPCODE:
		1454	{
		1455	dREQ;
		1456
		1457	req->type = EIO_MLOCKALL;
		1458	req->int1 = flags;
		1459
		1460	REQ_SEND;
		1461	}
		1462
		1463	void
1023	aio_busy (double delay, SV *callback=&PL_sv_undef)	1464	aio_busy (double delay, SV *callback=&PL_sv_undef)
1024	PPCODE:	1465	PPCODE:
1025	{	1466	{
1026	dREQ;	1467	dREQ;
1027		1468
…		…
1031	REQ_SEND;	1472	REQ_SEND;
1032	}	1473	}
1033		1474
1034	void	1475	void
1035	aio_group (SV *callback=&PL_sv_undef)	1476	aio_group (SV *callback=&PL_sv_undef)
1036	PROTOTYPE: ;$
1037	PPCODE:	1477	PPCODE:
1038	{	1478	{
1039	dREQ;	1479	dREQ;
1040		1480
1041	req->type = EIO_GROUP;	1481	req->type = EIO_GROUP;
1042		1482
1043	req_submit (req);	1483	req_submit (req);
1044	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1484	XPUSHs (req_sv (req, aio_grp_stash));
1045	}	1485	}
1046		1486
1047	void	1487	void
1048	aio_nop (SV *callback=&PL_sv_undef)	1488	aio_nop (SV *callback=&PL_sv_undef)
1049	ALIAS:	1489	ALIAS:
…		…
1058	REQ_SEND;	1498	REQ_SEND;
1059	}	1499	}
1060		1500
1061	int	1501	int
1062	aioreq_pri (int pri = 0)	1502	aioreq_pri (int pri = 0)
1063	PROTOTYPE: ;$
1064	CODE:	1503	CODE:
1065	RETVAL = next_pri;	1504	RETVAL = next_pri;
1066	if (items > 0)	1505	if (items > 0)
1067	{	1506	{
1068	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1507	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1080	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1519	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081	next_pri = nice;	1520	next_pri = nice;
1082		1521
1083	void	1522	void
1084	flush ()	1523	flush ()
1085	PROTOTYPE:
1086	CODE:	1524	CODE:
1087	while (eio_nreqs ())	1525	while (eio_nreqs ())
1088	{	1526	{
1089	poll_wait ();	1527	poll_wait ();
1090	poll_cb ();	1528	poll_cb ();
1091	}	1529	}
1092		1530
1093	int	1531	int
1094	poll()	1532	poll ()
1095	PROTOTYPE:
1096	CODE:	1533	CODE:
1097	poll_wait ();	1534	poll_wait ();
1098	RETVAL = poll_cb ();	1535	RETVAL = poll_cb ();
1099	OUTPUT:	1536	OUTPUT:
1100	RETVAL	1537	RETVAL
1101		1538
1102	int	1539	int
1103	poll_fileno()	1540	poll_fileno ()
1104	PROTOTYPE:
1105	CODE:	1541	CODE:
1106	RETVAL = respipe [0];	1542	RETVAL = s_epipe_fd (&respipe);
1107	OUTPUT:	1543	OUTPUT:
1108	RETVAL	1544	RETVAL
1109		1545
1110	int	1546	int
1111	poll_cb(...)	1547	poll_cb (...)
1112	PROTOTYPE:	1548	PROTOTYPE:
1113	CODE:	1549	CODE:
1114	RETVAL = poll_cb ();	1550	RETVAL = poll_cb ();
1115	OUTPUT:	1551	OUTPUT:
1116	RETVAL	1552	RETVAL
1117		1553
1118	void	1554	void
1119	poll_wait()	1555	poll_wait ()
1120	PROTOTYPE:
1121	CODE:	1556	CODE:
1122	poll_wait ();	1557	poll_wait ();
1123		1558
1124	int	1559	int
1125	nreqs()	1560	nreqs ()
1126	PROTOTYPE:
1127	CODE:	1561	CODE:
1128	RETVAL = eio_nreqs ();	1562	RETVAL = eio_nreqs ();
1129	OUTPUT:	1563	OUTPUT:
1130	RETVAL	1564	RETVAL
1131		1565
1132	int	1566	int
1133	nready()	1567	nready ()
1134	PROTOTYPE:
1135	CODE:	1568	CODE:
1136	RETVAL = eio_nready ();	1569	RETVAL = eio_nready ();
1137	OUTPUT:	1570	OUTPUT:
1138	RETVAL	1571	RETVAL
1139		1572
1140	int	1573	int
1141	npending()	1574	npending ()
1142	PROTOTYPE:
1143	CODE:	1575	CODE:
1144	RETVAL = eio_npending ();	1576	RETVAL = eio_npending ();
1145	OUTPUT:	1577	OUTPUT:
1146	RETVAL	1578	RETVAL
1147		1579
1148	int	1580	int
1149	nthreads()	1581	nthreads ()
1150	PROTOTYPE:
1151	CODE:	1582	CODE:
1152	RETVAL = eio_nthreads ();	1583	RETVAL = eio_nthreads ();
1153	OUTPUT:	1584	OUTPUT:
1154	RETVAL	1585	RETVAL
1155		1586
		1587	int
		1588	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1589	CODE:
		1590	RETVAL = posix_fadvise (fh, offset, length, advice);
		1591	OUTPUT:
		1592	RETVAL
		1593
		1594	IV
		1595	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1596	CODE:
		1597	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1598	OUTPUT:
		1599	RETVAL
		1600
		1601	void
		1602	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1603	PPCODE:
		1604	sv_unmagic (scalar, MMAP_MAGIC);
		1605	{
		1606	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1607	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1608	if (addr == (void *)-1)
		1609	XSRETURN_NO;
		1610
		1611	sv_force_normal (scalar);
		1612
		1613	/* we store the length in mg_obj, as namlen is I32 :/ */
		1614	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1615	->mg_obj = (SV *)length;
		1616
		1617	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1618
		1619	if (!(prot & PROT_WRITE))
		1620	SvREADONLY_on (scalar);
		1621
		1622	if (SvLEN (scalar))
		1623	Safefree (SvPVX (scalar));
		1624
		1625	SvPVX (scalar) = (char *)addr;
		1626	SvCUR_set (scalar, length);
		1627	SvLEN_set (scalar, 0);
		1628	SvPOK_only (scalar);
		1629
		1630	XSRETURN_YES;
		1631	}
		1632
		1633	void
		1634	munmap (SV *scalar)
		1635	CODE:
		1636	sv_unmagic (scalar, MMAP_MAGIC);
		1637
		1638	int
		1639	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1640	ALIAS:
		1641	mprotect = 1
		1642	CODE:
		1643	{
		1644	STRLEN svlen;
		1645	void *addr = SvPVbyte (scalar, svlen);
		1646	size_t len = SvUV (length);
		1647
		1648	if (offset < 0)
		1649	offset += svlen;
		1650
		1651	if (offset < 0 || offset > svlen)
		1652	croak ("offset outside of scalar");
		1653
		1654	if (!SvOK (length) || len + offset > svlen)
		1655	len = svlen - offset;
		1656
		1657	addr = (void *)(((intptr_t)addr) + offset);
		1658	eio_page_align (&addr, &len);
		1659
		1660	switch (ix)
		1661	{
		1662	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1663	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1664	}
		1665	}
		1666	OUTPUT:
		1667	RETVAL
		1668
		1669	int
		1670	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1671	CODE:
		1672	{
		1673	STRLEN svlen;
		1674	void *addr = SvPVbyte (scalar, svlen);
		1675	size_t len = SvUV (length);
		1676
		1677	if (offset < 0)
		1678	offset += svlen;
		1679
		1680	if (offset < 0 || offset > svlen)
		1681	croak ("offset outside of scalar");
		1682
		1683	if (!SvOK (length) || len + offset > svlen)
		1684	len = svlen - offset;
		1685
		1686	addr = (void *)(((intptr_t)addr) + offset);
		1687	eio_page_align (&addr, &len);
		1688	#if _POSIX_MEMLOCK_RANGE
		1689	RETVAL = munlock (addr, len);
		1690	#else
		1691	RETVAL = ((errno = ENOSYS), -1);
		1692	#endif
		1693	}
		1694	OUTPUT:
		1695	RETVAL
		1696
		1697	int
		1698	munlockall ()
		1699	CODE:
		1700	#if _POSIX_MEMLOCK
		1701	munlockall ();
		1702	#else
		1703	RETVAL = -1;
		1704	errno = ENOSYS;
		1705	#endif
		1706	OUTPUT:
		1707	RETVAL
		1708
1156	void _on_next_submit (SV *cb)	1709	void _on_next_submit (SV *cb)
1157	CODE:	1710	CODE:
1158	SvREFCNT_dec (on_next_submit);	1711	SvREFCNT_dec (on_next_submit);
1159	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1712	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160		1713
…		…
1174	if (GIMME_V != G_VOID)	1727	if (GIMME_V != G_VOID)
1175	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1728	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176		1729
1177	if (items > 1)	1730	if (items > 1)
1178	{	1731	{
1179	SV *cb_cv = get_cb (callback);	1732	SV *cb_cv =get_cb (callback);
1180		1733
1181	SvREFCNT_dec (req->callback);	1734	SvREFCNT_dec (req->callback);
1182	req->callback = SvREFCNT_inc (cb_cv);	1735	req->callback = SvREFCNT_inc (cb_cv);
1183	}	1736	}
1184	}	1737	}

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