ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.130 by root, Thu Oct 2 11:35:03 2008 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
18	/* perl namespace pollution */	33	/* perl namespace pollution */
19	#undef VERSION	34	#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		35
70	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	38	#undef readdir
73	#undef opendir	39	#undef opendir
74	#undef closedir	40	#undef closedir
75		41
		42	#ifdef _WIN32
		43
		44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
		48	#undef open
		49	#undef read
		50	#undef write
		51	#undef send
		52	#undef recv
		53	#undef stat
		54	#undef lstat
		55	#undef fstat
		56	#undef truncate
		57	#undef ftruncate
		58	#undef open
		59	#undef link
		60	#undef close
		61	#undef unlink
		62	#undef mkdir
		63	#undef rmdir
		64	#undef rename
		65	#undef lseek
		66	#undef opendir
		67	#undef readdir
		68	#undef closedir
		69	#undef chmod
		70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
		75
		76	#define EIO_STRUCT_STAT struct _stati64
76	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STATI64
77		78
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define SvVAL64 SvIV
81	#else	79	#else
82	# define SvVAL64 SvNV	80
		81	#include <sys/time.h>
		82	#include <sys/select.h>
		83	#include <unistd.h>
		84	#include <utime.h>
		85	#include <signal.h>
		86
		87	#define EIO_STRUCT_STAT Stat_t
		88
83	#endif	89	#endif
84		90
85	/*****************************************************************************/	91	/*****************************************************************************/
86		92
87	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	99	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	100	#define expect_true(expr) expect ((expr) != 0, 1)
95		101
96	/*****************************************************************************/	102	/*****************************************************************************/
97		103
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
		105	typedef int aio_rfd; /* read file desriptor */
		106	typedef int aio_wfd; /* write file descriptor */
100		107
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		109
104	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
105	SV *callback; \	111	SV *callback; \
106	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
107	STRLEN stroffset; \	114	STRLEN stroffset; \
108	SV *self;	115	SV *self;
109		116
110	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
111		118
		119	#include "libeio/config.h"
112	#include "libeio/eio.h"	120	#include "libeio/eio.h"
113		121
114	static int req_invoke (eio_req *req);	122	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	123	#define EIO_FINISH(req) req_invoke (req)
116	static void aio_grp_feed (eio_req *grp);
117	#define EIO_FEED(req) aio_grp_feed (req)
118	static void req_destroy (eio_req *grp);	124	static void req_destroy (eio_req *grp);
119	#define EIO_DESTROY(req) req_destroy (req)	125	#define EIO_DESTROY(req) req_destroy (req)
		126
		127	#include "libeio/eio.c"
		128
		129	#if !HAVE_POSIX_FADVISE
		130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		131	#endif
		132
		133	#if !HAVE_POSIX_MADVISE
		134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		135	#endif
		136
		137	#ifndef MAP_ANONYMOUS
		138	# ifdef MAP_ANON
		139	# define MAP_ANONYMOUS MAP_ANON
		140	# else
		141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		142	# endif
		143	#endif
		144
		145	/* defines all sorts of constants to 0 unless they are already defined */
		146	#include "def0.h"
		147
		148	#ifndef makedev
		149	# define makedev(maj,min) (((maj) << 8) | (min))
		150	#endif
		151	#ifndef major
		152	# define major(dev) ((dev) >> 8)
		153	#endif
		154	#ifndef minor
		155	# define minor(dev) ((dev) & 0xff)
		156	#endif
		157
		158	#ifndef PAGESIZE
		159	# define PAGESIZE sysconf (_SC_PAGESIZE)
		160	#endif
		161
		162	/*****************************************************************************/
		163
		164	static void
		165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	int count = req->int3;
		171
		172	/* heuristic: first try with 72 extents if we don't know how many, */
		173	/* as most files have (hopefully) fewer than this many extents */
		174	/* in fact, most should have <= 2, so the 72 below is probably overkill */
		175	if (count < 0)
		176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		177
		178	for (;;)
		179	{
		180	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		181	errno = ENOMEM;
		182	if (!fiemap)
		183	return;
		184
		185	req->ptr1 = fiemap;
		186	req->flags |= EIO_FLAG_PTR1_FREE;
		187
		188	fiemap->fm_start = req->offs;
		189	fiemap->fm_length = req->size;
		190	fiemap->fm_flags = req->int2;
		191	fiemap->fm_extent_count = count;
		192
		193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		194	return;
		195
		196	if (req->int3 >= 0)
		197	break; /* when not autosizing we are done */
		198
		199	if (fiemap->fm_mapped_extents < count)
		200	/* either autosizing succeeded,
		201	* or the file had no extents
		202	* or we luckily had enough space */
		203	break;
		204
		205	/* some kernels overwrite fm_length, so just reset everything */
		206	fiemap->fm_start = req->offs;
		207	fiemap->fm_length = req->size;
		208	fiemap->fm_flags = req->int2;
		209	fiemap->fm_extent_count = 0;
		210
		211	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		212	return;
		213
		214	/* to work around a kernel bug, we allocate one more */
		215	count = fiemap->fm_mapped_extents + 1;
		216
		217	free (fiemap);
		218	}
		219
		220	req->result = 0;
		221
		222	#else
		223	errno = ENOSYS;
		224	#endif
		225	}
		226
		227	/*****************************************************************************/
120		228
121	enum {	229	enum {
122	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	230	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
123	};	231	};
124		232
125	#include "libeio/eio.c"
126
127	typedef eio_req *aio_req;	233	typedef eio_req *aio_req;
128	typedef eio_req *aio_req_ornot;	234	typedef eio_req *aio_req_ornot;
		235	typedef eio_wd aio_wd;
129		236
130	static SV *on_next_submit;	237	static SV *on_next_submit;
131	static int next_pri = EIO_PRI_DEFAULT;	238	static int next_pri = EIO_PRI_DEFAULT;
132	static int max_outstanding;	239	static int max_outstanding;
133		240
134	static int respipe_osf [2], respipe [2] = { -1, -1 };	241	static s_epipe respipe;
135		242
136	static void req_destroy (aio_req req);	243	static void req_destroy (aio_req req);
137	static void req_cancel (aio_req req);	244	static void req_cancel (aio_req req);
138		245
139	static void want_poll (void)	246	static void
		247	want_poll (void)
140	{	248	{
141	/* write a dummy byte to the pipe so fh becomes ready */	249	/* write a dummy byte to the pipe so fh becomes ready */
142	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	250	s_epipe_signal (&respipe);
143	}	251	}
144		252
145	static void done_poll (void)	253	static void
		254	done_poll (void)
146	{	255	{
147	/* read any signals sent by the worker threads */	256	/* read any signals sent by the worker threads */
148	char buf [4];	257	s_epipe_drain (&respipe);
149	while (respipe_read (respipe [0], buf, 4) == 4)
150	;
151	}	258	}
152		259
153	/* must be called at most once */	260	/* must be called at most once */
154	static SV *req_sv (aio_req req, const char *klass)	261	static SV *
		262	req_sv (aio_req req, HV *stash)
155	{	263	{
156	if (!req->self)	264	if (!req->self)
157	{	265	{
158	req->self = (SV *)newHV ();	266	req->self = (SV *)newHV ();
159	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	267	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
160	}	268	}
161		269
162	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	270	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
163	}	271	}
164		272
165	static aio_req SvAIO_REQ (SV *sv)	273	static SV *
		274	newSVaio_wd (aio_wd wd)
		275	{
		276	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		277	}
		278
		279	static aio_req
		280	SvAIO_REQ (SV *sv)
166	{	281	{
167	MAGIC *mg;	282	MAGIC *mg;
168		283
169	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	284	if (!SvROK (sv)
		285	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		286	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		287	&& SvSTASH (SvRV (sv)) != aio_req_stash
		288	&& !sv_derived_from (sv, "IO::AIO::REQ")))
170	croak ("object of class " AIO_REQ_KLASS " expected");	289	croak ("object of class IO::AIO::REQ expected");
171		290
172	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	291	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
173		292
174	return mg ? (aio_req)mg->mg_ptr : 0;	293	return mg ? (aio_req)mg->mg_ptr : 0;
175	}	294	}
176		295
		296	static aio_wd
		297	SvAIO_WD (SV *sv)
		298	{
		299	if (!SvROK (sv)
		300	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		301	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		302	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		303
		304	return (aio_wd)(long)SvIVX (SvRV (sv));
		305	}
		306
		307	static void
177	static void aio_grp_feed (aio_req grp)	308	aio_grp_feed (aio_req grp)
178	{	309	{
179	if (grp->sv2 && SvOK (grp->sv2))	310	if (grp->sv2 && SvOK (grp->sv2))
180	{	311	{
181	dSP;	312	dSP;
182		313
183	ENTER;	314	ENTER;
184	SAVETMPS;	315	SAVETMPS;
185	PUSHMARK (SP);	316	PUSHMARK (SP);
186	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	317	XPUSHs (req_sv (grp, aio_grp_stash));
187	PUTBACK;	318	PUTBACK;
188	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	319	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
189	SPAGAIN;	320	SPAGAIN;
190	FREETMPS;	321	FREETMPS;
191	LEAVE;	322	LEAVE;
192	}	323	}
193	}	324	}
194		325
		326	static void
195	static void req_submit (eio_req *req)	327	req_submit (eio_req *req)
196	{	328	{
197	eio_submit (req);	329	eio_submit (req);
198		330
199	if (expect_false (on_next_submit))	331	if (expect_false (on_next_submit))
200	{	332	{
…		…
207	PUTBACK;	339	PUTBACK;
208	call_sv (cb, G_DISCARD | G_EVAL);	340	call_sv (cb, G_DISCARD | G_EVAL);
209	}	341	}
210	}	342	}
211		343
		344	static int
212	static int req_invoke (eio_req *req)	345	req_invoke (eio_req *req)
213	{	346	{
214	dSP;
215
216	if (req->flags & FLAG_SV2_RO_OFF)	347	if (req->flags & FLAG_SV2_RO_OFF)
217	SvREADONLY_off (req->sv2);	348	SvREADONLY_off (req->sv2);
218		349
219	if (!EIO_CANCELLED (req) && req->callback)	350	if (!EIO_CANCELLED (req) && req->callback)
220	{	351	{
		352	dSP;
		353	static SV *sv_result_cache; /* caches the result integer SV */
		354	SV *sv_result;
		355
221	ENTER;	356	ENTER;
222	SAVETMPS;	357	SAVETMPS;
223	PUSHMARK (SP);	358	PUSHMARK (SP);
224	EXTEND (SP, 1);	359	EXTEND (SP, 1);
225		360
		361	/* do not recreate the result IV from scratch each time */
		362	if (expect_true (sv_result_cache))
		363	{
		364	sv_result = sv_result_cache; sv_result_cache = 0;
		365	SvIV_set (sv_result, req->result);
		366	SvIOK_only (sv_result);
		367	}
		368	else
		369	{
		370	sv_result = newSViv (req->result);
		371	SvREADONLY_on (sv_result);
		372	}
		373
226	switch (req->type)	374	switch (req->type)
227	{	375	{
		376	case EIO_WD_OPEN:
		377	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		378	break;
		379
228	case EIO_READDIR:	380	case EIO_READDIR:
229	{	381	{
230	SV *rv = &PL_sv_undef;	382	SV *rv = &PL_sv_undef;
231		383
232	if (req->result >= 0)	384	if (req->result >= 0)
233	{	385	{
234	int i;	386	int i;
235	char *buf = req->ptr2;	387	char *names = (char *)req->ptr2;
		388	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
236	AV *av = newAV ();	389	AV *av = newAV ();
237		390
238	av_extend (av, req->result - 1);	391	av_extend (av, req->result - 1);
239		392
240	for (i = 0; i < req->result; ++i)	393	for (i = 0; i < req->result; ++i)
241	{	394	{
242	SV *sv = newSVpv (buf, 0);	395	if (req->int1 & EIO_READDIR_DENTS)
		396	{
		397	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
243		398
		399	if (req->int1 & EIO_READDIR_CUSTOM2)
		400	{
		401	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		402	AV *avent = newAV ();
		403
		404	av_extend (avent, 2);
		405
		406	if (!sv_type [ent->type])
		407	{
		408	sv_type [ent->type] = newSViv (ent->type);
		409	SvREADONLY_on (sv_type [ent->type]);
		410	}
		411
		412	av_store (avent, 0, namesv);
		413	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		414	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		415
		416	av_store (av, i, newRV_noinc ((SV *)avent));
		417	}
		418	else
244	av_store (av, i, sv);	419	av_store (av, i, namesv);
		420
		421	++ent;
		422	}
		423	else
		424	{
		425	SV *name = newSVpv (names, 0);
		426	av_store (av, i, name);
245	buf += SvCUR (sv) + 1;	427	names += SvCUR (name) + 1;
		428	}
246	}	429	}
247		430
248	rv = sv_2mortal (newRV_noinc ((SV *)av));	431	rv = sv_2mortal (newRV_noinc ((SV *)av));
249	}	432	}
250		433
251	PUSHs (rv);	434	PUSHs (rv);
		435
		436	if (req->int1 & EIO_READDIR_CUSTOM1)
		437	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
252	}	438	}
253	break;	439	break;
254		440
255	case EIO_OPEN:	441	case EIO_OPEN:
256	{	442	{
…		…
262	GV *gv = (GV *)sv_newmortal ();	448	GV *gv = (GV *)sv_newmortal ();
263	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	449	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
264	char sym [64];	450	char sym [64];
265	int symlen;	451	int symlen;
266		452
267	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	453	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
268	gv_init (gv, stash, sym, symlen, 0);	454	gv_init (gv, aio_stash, sym, symlen, 0);
269		455
270	symlen = snprintf (	456	symlen = snprintf (
271	sym,	457	sym,
272	sizeof (sym),	458	sizeof (sym),
273	"%s&=%d",	459	"%s&=%d",
274	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	460	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
275	req->result	461	(int)req->result
276	);	462	);
277		463
278	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	464	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
279	fh = (SV *)gv;	465	fh = (SV *)gv;
280	}	466	}
281		467
282	PUSHs (fh);	468	PUSHs (fh);
283	}	469	}
		470	break;
		471
		472	case EIO_STATVFS:
		473	case EIO_FSTATVFS:
		474	{
		475	SV *rv = &PL_sv_undef;
		476
		477	#ifndef _WIN32
		478	if (req->result >= 0)
		479	{
		480	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		481	HV *hv = newHV ();
		482
		483	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		484
		485	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		486	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		487	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		488	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		489	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		490	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		491	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		492	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		493	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		494	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		495	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		496	}
		497	#endif
		498
		499	PUSHs (rv);
		500	}
		501
284	break;	502	break;
285		503
286	case EIO_GROUP:	504	case EIO_GROUP:
287	req->int1 = 2; /* mark group as finished */	505	req->int1 = 2; /* mark group as finished */
288		506
…		…
300	case EIO_NOP:	518	case EIO_NOP:
301	case EIO_BUSY:	519	case EIO_BUSY:
302	break;	520	break;
303		521
304	case EIO_READLINK:	522	case EIO_READLINK:
		523	case EIO_REALPATH:
305	if (req->result > 0)	524	if (req->result > 0)
306	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	525	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
307	break;	526	break;
308		527
309	case EIO_STAT:	528	case EIO_STAT:
310	case EIO_LSTAT:	529	case EIO_LSTAT:
311	case EIO_FSTAT:	530	case EIO_FSTAT:
312	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	531	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		532
313	PL_laststatval = req->result;	533	if (!(PL_laststatval = req->result))
		534	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
314	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	535	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
315	PUSHs (sv_2mortal (newSViv (req->result)));	536
		537	PUSHs (sv_result);
316	break;	538	break;
317		539
		540	case EIO_SEEK:
		541	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
		542	break;
		543
318	case EIO_READ:	544	case EIO_READ:
		545	{
319	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	546	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
320	*SvEND (req->sv2) = 0;	547	*SvEND (req->sv2) = 0;
321	PUSHs (sv_2mortal (newSViv (req->result)));	548	SvPOK_only (req->sv2);
		549	SvSETMAGIC (req->sv2);
		550	PUSHs (sv_result);
		551	}
322	break;	552	break;
323		553
324	case EIO_DUP2:	554	case EIO_CUSTOM:
		555	if (req->feed == fiemap)
		556	{
		557	#if HAVE_FIEMAP
		558	if (!req->result)
		559	{
		560	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		561
		562	if (fiemap->fm_extent_count)
		563	{
		564	AV *av = newAV ();
		565	int i;
		566
		567	while (fiemap->fm_mapped_extents)
		568	{
		569	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		570	AV *ext_av = newAV ();
		571
		572	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		573	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		574	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		575	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		576
		577	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		578	}
		579
		580	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		581	}
		582	else
		583	{
		584	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		585	PUSHs (sv_result);
		586	}
		587	}
		588	#endif
		589	}
		590	else
		591	PUSHs (sv_result);
		592	break;
		593
		594	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
325	if (req->result > 0)	595	if (req->result > 0)
326	req->result = 0;	596	SvIV_set (sv_result, 0);
327	/* FALLTHROUGH */	597	/* FALLTHROUGH */
328		598
329	default:	599	default:
330	PUSHs (sv_2mortal (newSViv (req->result)));	600	PUSHs (sv_result);
331	break;	601	break;
332	}	602	}
333		603
334	errno = req->errorno;	604	errno = req->errorno;
335		605
336	PUTBACK;	606	PUTBACK;
337	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	607	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
338	SPAGAIN;	608	SPAGAIN;
339		609
		610	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		611	SvREFCNT_dec (sv_result);
		612	else
		613	sv_result_cache = sv_result;
		614
340	FREETMPS;	615	FREETMPS;
341	LEAVE;	616	LEAVE;
342		617
343	PUTBACK;	618	PUTBACK;
344	}	619	}
345		620
346	return !!SvTRUE (ERRSV);	621	return !!SvTRUE (ERRSV);
347	}	622	}
348		623
		624	static void
349	static void req_destroy (aio_req req)	625	req_destroy (aio_req req)
350	{	626	{
351	if (req->self)	627	if (req->self)
352	{	628	{
353	sv_unmagic (req->self, PERL_MAGIC_ext);	629	sv_unmagic (req->self, PERL_MAGIC_ext);
354	SvREFCNT_dec (req->self);	630	SvREFCNT_dec (req->self);
355	}	631	}
356		632
357	SvREFCNT_dec (req->sv1);	633	SvREFCNT_dec (req->sv1);
358	SvREFCNT_dec (req->sv2);	634	SvREFCNT_dec (req->sv2);
		635	SvREFCNT_dec (req->sv3);
		636	SvREFCNT_dec (req->sv4);
359	SvREFCNT_dec (req->callback);	637	SvREFCNT_dec (req->callback);
360		638
361	Safefree (req);	639	free (req);
362	}	640	}
363		641
		642	static void
364	static void req_cancel_subs (aio_req grp)	643	req_cancel_subs (aio_req grp)
365	{	644	{
366	aio_req sub;
367
368	if (grp->type != EIO_GROUP)	645	if (grp->type != EIO_GROUP)
369	return;	646	return;
370		647
371	SvREFCNT_dec (grp->sv2);	648	SvREFCNT_dec (grp->sv2);
372	grp->sv2 = 0;	649	grp->sv2 = 0;
373		650
374	eio_grp_cancel (grp);	651	eio_grp_cancel (grp);
375	}	652	}
376		653
377	#ifdef USE_SOCKETS_AS_HANDLES	654	static void ecb_cold
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))	655	create_respipe (void)
379	#else	656	{
380	# define TO_SOCKET(x) (x)	657	if (s_epipe_renew (&respipe))
381	#endif	658	croak ("IO::AIO: unable to initialize result pipe");
		659	}
382		660
383	static void	661	static void
384	create_respipe (void)	662	poll_wait (void)
385	{	663	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))
395	#endif
396	croak ("unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}
420
421	static void poll_wait (void)
422	{
423	fd_set rfd;
424
425	while (eio_nreqs ())	664	while (eio_nreqs ())
426	{	665	{
427	int size;	666	int size;
428		667
429	X_LOCK (reslock);	668	X_LOCK (reslock);
…		…
433	if (size)	672	if (size)
434	return;	673	return;
435		674
436	etp_maybe_start_thread ();	675	etp_maybe_start_thread ();
437		676
438	FD_ZERO (&rfd);	677	s_epipe_wait (&respipe);
439	FD_SET (respipe [0], &rfd);
440
441	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
442	}	678	}
443	}	679	}
444		680
445	static int poll_cb (void)	681	static int
		682	poll_cb (void)
446	{	683	{
447	for (;;)	684	for (;;)
448	{	685	{
449	int res = eio_poll ();	686	int res = eio_poll ();
450		687
…		…
456		693
457	poll_wait ();	694	poll_wait ();
458	}	695	}
459	}	696	}
460		697
461	static void atfork_child (void)	698	static void ecb_cold
		699	reinit (void)
462	{	700	{
463	create_respipe ();	701	create_respipe ();
		702
		703	if (eio_init (want_poll, done_poll) < 0)
		704	croak ("IO::AIO: unable to initialise eio library");
464	}	705	}
		706
		707	/*****************************************************************************/
		708
		709	#if !_POSIX_MAPPED_FILES
		710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		711	# define munmap(addr,length) EIO_ENOSYS ()
		712	#endif
		713
		714	#if !_POSIX_MEMORY_PROTECTION
		715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		716	# define PROT_NONE 0
		717	# define PROT_WRITE 0
		718	# define MAP_PRIVATE 0
		719	# define MAP_SHARED 0
		720	# define MAP_FIXED 0
		721	#endif
		722
		723	#define MMAP_MAGIC PERL_MAGIC_ext
		724
		725	static int ecb_cold
		726	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		727	{
		728	int old_errno = errno;
		729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		730	errno = old_errno;
		731
		732	mg->mg_obj = 0; /* just in case */
		733
		734	SvREADONLY_off (sv);
		735
		736	if (SvPVX (sv) != mg->mg_ptr)
		737	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		738
		739	SvCUR_set (sv, 0);
		740	SvPVX (sv) = 0;
		741	SvOK_off (sv);
		742
		743	return 0;
		744	}
		745
		746	static MGVTBL mmap_vtbl = {
		747	0, 0, 0, 0, mmap_free
		748	};
		749
		750	/*****************************************************************************/
465		751
466	static SV *	752	static SV *
467	get_cb (SV *cb_sv)	753	get_cb (SV *cb_sv)
468	{	754	{
469	HV *st;	755	SvGETMAGIC (cb_sv);
470	GV *gvp;	756	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		757	}
		758
		759	static aio_req ecb_noinline
		760	dreq (SV *callback)
		761	{
471	CV *cv;	762	SV *cb_cv;
		763	aio_req req;
		764	int req_pri = next_pri;
		765	next_pri = EIO_PRI_DEFAULT;
472		766
473	if (!SvOK (cb_sv))	767	cb_cv = get_cb (callback);
		768
		769	req = calloc (sizeof (*req), 1);
		770	if (!req)
		771	croak ("out of memory during eio_req allocation");
		772
		773	req->callback = SvREFCNT_inc (cb_cv);
		774	req->pri = req_pri;
		775
474	return 0;	776	return req;
475
476	cv = sv_2cv (cb_sv, &st, &gvp, 0);
477
478	if (!cv)
479	croak ("IO::AIO callback must be undef or a CODE reference");
480
481	return (SV *)cv;
482	}	777	}
483		778
484	#define dREQ \	779	#define dREQ \
485	SV *cb_cv; \	780	aio_req req = dreq (callback); \
486	aio_req req; \
487	int req_pri = next_pri; \
488	next_pri = EIO_PRI_DEFAULT; \
489	\
490	cb_cv = get_cb (callback); \
491	\
492	Newz (0, req, 1, eio_req); \
493	if (!req) \
494	croak ("out of memory during eio_req allocation"); \
495	\
496	req->callback = SvREFCNT_inc (cb_cv); \
497	req->pri = req_pri
498		781
499	#define REQ_SEND \	782	#define REQ_SEND \
500	PUTBACK; \	783	PUTBACK; \
501	req_submit (req); \	784	req_submit (req); \
502	SPAGAIN; \	785	SPAGAIN; \
503	\	786	\
504	if (GIMME_V != G_VOID) \	787	if (GIMME_V != G_VOID) \
505	XPUSHs (req_sv (req, AIO_REQ_KLASS));	788	XPUSHs (req_sv (req, aio_req_stash));
506		789
		790	ecb_inline void
		791	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		792	{
		793	if (expect_false (SvROK (path)))
		794	{
		795	SV *rv = SvRV (path);
		796	SV *wdob;
		797
		798	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		799	{
		800	path = AvARRAY (rv)[1];
		801	wdob = AvARRAY (rv)[0];
		802
		803	if (SvOK (wdob))
		804	{
		805	*wd = SvAIO_WD (wdob);
		806	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		807	}
		808	else
		809	*wd = EIO_INVALID_WD;
		810	}
		811	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		812	{
		813	*wd = (aio_wd)(long)SvIVX (rv);
		814	*wdsv = SvREFCNT_inc_NN (rv);
		815	*ptr = ".";
		816	return; /* path set to "." */
		817	}
		818	else
		819	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		820	}
		821
		822	*pathsv = newSVsv (path);
		823	*ptr = SvPVbyte_nolen (*pathsv);
		824	}
		825
		826	static void ecb_noinline
		827	req_set_path1 (aio_req req, SV *path)
		828	{
		829	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		830	}
		831
		832	static void ecb_noinline
		833	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		834	{
		835	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		836
		837	switch (SvTYPE (rv))
		838	{
		839	case SVt_PVIO:
		840	case SVt_PVLV:
		841	case SVt_PVGV:
		842	req->type = type_fh;
		843	req->sv1 = newSVsv (fh_or_path);
		844	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		845	break;
		846
		847	default:
		848	req->type = type_path;
		849	req_set_path1 (req, fh_or_path);
		850	break;
		851	}
		852	}
		853
		854	XS(boot_IO__AIO) ecb_cold;
		855
507	MODULE = IO::AIO PACKAGE = IO::AIO	856	MODULE = IO::AIO PACKAGE = IO::AIO
508		857
509	PROTOTYPES: ENABLE	858	PROTOTYPES: ENABLE
510		859
511	BOOT:	860	BOOT:
512	{	861	{
		862	static const struct {
		863	const char *name;
		864	IV iv;
		865	} *civ, const_iv[] = {
		866	# define const_niv(name, value) { # name, (IV) value },
		867	# define const_iv(name) { # name, (IV) name },
		868	# define const_eio(name) { # name, (IV) EIO_ ## name },
		869
		870	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		871
		872	const_iv (ENOSYS)
		873	const_iv (EXDEV)
		874	const_iv (EBADR)
		875
		876	const_iv (O_RDONLY)
		877	const_iv (O_WRONLY)
		878	const_iv (O_RDWR)
		879	const_iv (O_CREAT)
		880	const_iv (O_TRUNC)
		881	const_iv (O_EXCL)
		882	const_iv (O_APPEND)
		883
		884	const_iv (O_ASYNC)
		885	const_iv (O_DIRECT)
		886	const_iv (O_NOATIME)
		887
		888	const_iv (O_CLOEXEC)
		889	const_iv (O_NOCTTY)
		890	const_iv (O_NOFOLLOW)
		891	const_iv (O_NONBLOCK)
		892	const_iv (O_EXEC)
		893	const_iv (O_SEARCH)
		894	const_iv (O_DIRECTORY)
		895	const_iv (O_DSYNC)
		896	const_iv (O_RSYNC)
		897	const_iv (O_SYNC)
		898	const_iv (O_TTY_INIT)
		899
		900	const_iv (S_IFIFO)
		901	const_iv (S_IFCHR)
		902	const_iv (S_IFBLK)
		903	const_iv (S_IFLNK)
		904	const_iv (S_IFREG)
		905	const_iv (S_IFDIR)
		906	const_iv (S_IFWHT)
		907	const_iv (S_IFSOCK)
		908	const_iv (S_IFMT)
		909
		910	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		911	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		912	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		913	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		914	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		915	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		916
		917	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		918	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		919	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		920	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		921	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		922
		923	const_iv (ST_RDONLY)
		924	const_iv (ST_NOSUID)
		925	const_iv (ST_NODEV)
		926	const_iv (ST_NOEXEC)
		927	const_iv (ST_SYNCHRONOUS)
		928	const_iv (ST_MANDLOCK)
		929	const_iv (ST_WRITE)
		930	const_iv (ST_APPEND)
		931	const_iv (ST_IMMUTABLE)
		932	const_iv (ST_NOATIME)
		933	const_iv (ST_NODIRATIME)
		934	const_iv (ST_RELATIME)
		935
		936	const_iv (PROT_NONE)
		937	const_iv (PROT_EXEC)
		938	const_iv (PROT_READ)
		939	const_iv (PROT_WRITE)
		940
		941	/*const_iv (MAP_FIXED)*/
		942	const_iv (MAP_PRIVATE)
		943	const_iv (MAP_SHARED)
		944	const_iv (MAP_ANONYMOUS)
		945
		946	/* linuxish */
		947	const_iv (MAP_HUGETLB)
		948	const_iv (MAP_LOCKED)
		949	const_iv (MAP_NORESERVE)
		950	const_iv (MAP_POPULATE)
		951	const_iv (MAP_NONBLOCK)
		952
		953	const_iv (FIEMAP_FLAG_SYNC)
		954	const_iv (FIEMAP_FLAG_XATTR)
		955	const_iv (FIEMAP_FLAGS_COMPAT)
		956	const_iv (FIEMAP_EXTENT_LAST)
		957	const_iv (FIEMAP_EXTENT_UNKNOWN)
		958	const_iv (FIEMAP_EXTENT_DELALLOC)
		959	const_iv (FIEMAP_EXTENT_ENCODED)
		960	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		961	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		962	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		963	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		964	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		965	const_iv (FIEMAP_EXTENT_MERGED)
		966	const_iv (FIEMAP_EXTENT_SHARED)
		967
		968	const_iv (SPLICE_F_MOVE)
		969	const_iv (SPLICE_F_NONBLOCK)
		970	const_iv (SPLICE_F_MORE)
		971	const_iv (SPLICE_F_GIFT)
		972
		973	const_iv (SEEK_DATA)
		974	const_iv (SEEK_HOLE)
		975
		976	/* libeio constants */
		977	const_eio (SEEK_SET)
		978	const_eio (SEEK_CUR)
		979	const_eio (SEEK_END)
		980
		981	const_eio (MCL_FUTURE)
		982	const_eio (MCL_CURRENT)
		983
		984	const_eio (MS_ASYNC)
		985	const_eio (MS_INVALIDATE)
		986	const_eio (MS_SYNC)
		987
		988	const_eio (MT_MODIFY)
		989
		990	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		991	const_eio (SYNC_FILE_RANGE_WRITE)
		992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		993
		994	const_eio (FALLOC_FL_KEEP_SIZE)
		995	const_eio (FALLOC_FL_PUNCH_HOLE)
		996
		997	const_eio (READDIR_DENTS)
		998	const_eio (READDIR_DIRS_FIRST)
		999	const_eio (READDIR_STAT_ORDER)
		1000	const_eio (READDIR_FOUND_UNKNOWN)
		1001
		1002	const_eio (DT_UNKNOWN)
		1003	const_eio (DT_FIFO)
		1004	const_eio (DT_CHR)
		1005	const_eio (DT_DIR)
		1006	const_eio (DT_BLK)
		1007	const_eio (DT_REG)
		1008	const_eio (DT_LNK)
		1009	const_eio (DT_SOCK)
		1010	const_eio (DT_WHT)
		1011	};
		1012
513	stash = gv_stashpv ("IO::AIO", 1);	1013	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1014	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1015	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1016	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
514		1017
515	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1018	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
516	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1019	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
517	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
518	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
519	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
520	#ifndef _WIN32
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
522	#endif
523		1020
524	create_respipe ();	1021	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
525		1022
526	if (eio_init (want_poll, done_poll) < 0)	1023	reinit ();
527	croak ("IO::AIO: unable to initialise eio library");
528
529	/* atfork child called in fifo order, so before eio's handler */
530	X_THREAD_ATFORK (0, 0, atfork_child);
531	}	1024	}
532		1025
533	void	1026	void
		1027	reinit ()
		1028	PROTOTYPE:
		1029
		1030	void
534	max_poll_reqs (int nreqs)	1031	max_poll_reqs (unsigned int nreqs)
535	PROTOTYPE: $	1032	PROTOTYPE: $
536	CODE:	1033	CODE:
537	eio_set_max_poll_reqs (nreqs);	1034	eio_set_max_poll_reqs (nreqs);
538		1035
539	void	1036	void
…		…
541	PROTOTYPE: $	1038	PROTOTYPE: $
542	CODE:	1039	CODE:
543	eio_set_max_poll_time (nseconds);	1040	eio_set_max_poll_time (nseconds);
544		1041
545	void	1042	void
546	min_parallel (int nthreads)	1043	min_parallel (unsigned int nthreads)
547	PROTOTYPE: $	1044	PROTOTYPE: $
548	CODE:	1045	CODE:
549	eio_set_min_parallel (nthreads);	1046	eio_set_min_parallel (nthreads);
550		1047
551	void	1048	void
552	max_parallel (int nthreads)	1049	max_parallel (unsigned int nthreads)
553	PROTOTYPE: $	1050	PROTOTYPE: $
554	CODE:	1051	CODE:
555	eio_set_max_parallel (nthreads);	1052	eio_set_max_parallel (nthreads);
556		1053
557	void	1054	void
558	max_idle (int nthreads)	1055	max_idle (unsigned int nthreads)
559	PROTOTYPE: $	1056	PROTOTYPE: $
560	CODE:	1057	CODE:
561	eio_set_max_idle (nthreads);	1058	eio_set_max_idle (nthreads);
562		1059
563	void	1060	void
		1061	idle_timeout (unsigned int seconds)
		1062	PROTOTYPE: $
		1063	CODE:
		1064	eio_set_idle_timeout (seconds);
		1065
		1066	void
564	max_outstanding (int maxreqs)	1067	max_outstanding (unsigned int maxreqs)
565	PROTOTYPE: $	1068	PROTOTYPE: $
566	CODE:	1069	CODE:
567	max_outstanding = maxreqs;	1070	max_outstanding = maxreqs;
568		1071
569	void	1072	void
		1073	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1074	PPCODE:
		1075	{
		1076	dREQ;
		1077
		1078	req->type = EIO_WD_OPEN;
		1079	req_set_path1 (req, pathname);
		1080
		1081	REQ_SEND;
		1082	}
		1083
		1084	void
570	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1085	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
571	PROTOTYPE: $$$;$
572	PPCODE:	1086	PPCODE:
573	{	1087	{
574	dREQ;	1088	dREQ;
575		1089
576	req->type = EIO_OPEN;	1090	req->type = EIO_OPEN;
577	req->sv1 = newSVsv (pathname);	1091	req_set_path1 (req, pathname);
578	req->ptr1 = SvPVbyte_nolen (req->sv1);
579	req->int1 = flags;	1092	req->int1 = flags;
580	req->int2 = mode;	1093	req->int2 = mode;
581		1094
582	REQ_SEND;	1095	REQ_SEND;
583	}	1096	}
584		1097
585	void	1098	void
586	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1099	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
587	PROTOTYPE: $;$
588	ALIAS:	1100	ALIAS:
589	aio_fsync = EIO_FSYNC	1101	aio_fsync = EIO_FSYNC
590	aio_fdatasync = EIO_FDATASYNC	1102	aio_fdatasync = EIO_FDATASYNC
		1103	aio_syncfs = EIO_SYNCFS
591	PPCODE:	1104	PPCODE:
592	{	1105	{
		1106	int fd = s_fileno_croak (fh, 0);
593	dREQ;	1107	dREQ;
594		1108
595	req->type = ix;	1109	req->type = ix;
596	req->sv1 = newSVsv (fh);	1110	req->sv1 = newSVsv (fh);
597	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1111	req->int1 = fd;
598		1112
599	REQ_SEND (req);	1113	REQ_SEND;
		1114	}
		1115
		1116	void
		1117	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1118	PPCODE:
		1119	{
		1120	int fd = s_fileno_croak (fh, 0);
		1121	dREQ;
		1122
		1123	req->type = EIO_SYNC_FILE_RANGE;
		1124	req->sv1 = newSVsv (fh);
		1125	req->int1 = fd;
		1126	req->offs = offset;
		1127	req->size = nbytes;
		1128	req->int2 = flags;
		1129
		1130	REQ_SEND;
		1131	}
		1132
		1133	void
		1134	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1135	PPCODE:
		1136	{
		1137	int fd = s_fileno_croak (fh, 0);
		1138	dREQ;
		1139
		1140	req->type = EIO_FALLOCATE;
		1141	req->sv1 = newSVsv (fh);
		1142	req->int1 = fd;
		1143	req->int2 = mode;
		1144	req->offs = offset;
		1145	req->size = len;
		1146
		1147	REQ_SEND;
600	}	1148	}
601		1149
602	void	1150	void
603	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1151	aio_close (SV *fh, SV *callback=&PL_sv_undef)
604	PROTOTYPE: $;$
605	PPCODE:	1152	PPCODE:
606	{	1153	{
607	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1154	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1155	int fd = s_fileno_croak (fh, 0);
608	dREQ;	1156	dREQ;
609		1157
610	if (close_pipe < 0)	1158	if (expect_false (close_fd < 0))
611	{	1159	{
612	int pipefd [2];	1160	int pipefd [2];
613		1161
		1162	if (
		1163	#ifdef _WIN32
		1164	_pipe (pipefd, 1, _O_BINARY) < 0
		1165	#else
614	if (pipe (pipefd) < 0	1166	pipe (pipefd) < 0
615	|| close (pipefd [1]) < 0
616	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1167	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1168	#endif
		1169	|| close (pipefd [1]) < 0
		1170	)
617	abort (); /*D*/	1171	abort (); /*D*/
618		1172
619	close_pipe = pipefd [0];	1173	close_fd = pipefd [0];
620	}	1174	}
621		1175
622	req->type = EIO_DUP2;	1176	req->type = EIO_DUP2;
623	req->int1 = close_pipe;	1177	req->int1 = close_fd;
624	req->sv2 = newSVsv (fh);	1178	req->sv2 = newSVsv (fh);
625	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1179	req->int2 = fd;
626		1180
627	REQ_SEND (req);	1181	REQ_SEND;
		1182	}
		1183
		1184	void
		1185	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1186	PPCODE:
		1187	{
		1188	int fd = s_fileno_croak (fh, 0);
		1189	dREQ;
		1190
		1191	req->type = EIO_SEEK;
		1192	req->sv1 = newSVsv (fh);
		1193	req->int1 = fd;
		1194	req->offs = SvVAL64 (offset);
		1195	req->int2 = whence;
		1196
		1197	REQ_SEND;
628	}	1198	}
629		1199
630	void	1200	void
631	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1201	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
632	ALIAS:	1202	ALIAS:
633	aio_read = EIO_READ	1203	aio_read = EIO_READ
634	aio_write = EIO_WRITE	1204	aio_write = EIO_WRITE
635	PROTOTYPE: $$$$$;$
636	PPCODE:	1205	PPCODE:
637	{	1206	{
638	STRLEN svlen;	1207	STRLEN svlen;
		1208	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
639	char *svptr = SvPVbyte (data, svlen);	1209	char *svptr = SvPVbyte (data, svlen);
640	UV len = SvUV (length);	1210	UV len = SvUV (length);
641
642	SvUPGRADE (data, SVt_PV);
643	SvPOK_on (data);
644		1211
645	if (dataoffset < 0)	1212	if (dataoffset < 0)
646	dataoffset += svlen;	1213	dataoffset += svlen;
647		1214
648	if (dataoffset < 0 || dataoffset > svlen)	1215	if (dataoffset < 0 || dataoffset > svlen)
…		…
654	if (!SvOK (length) || len + dataoffset > svlen)	1221	if (!SvOK (length) || len + dataoffset > svlen)
655	len = svlen - dataoffset;	1222	len = svlen - dataoffset;
656	}	1223	}
657	else	1224	else
658	{	1225	{
659	/* read: grow scalar as necessary */	1226	/* read: check type and grow scalar as necessary */
		1227	SvUPGRADE (data, SVt_PV);
		1228	if (SvLEN (data) >= SvCUR (data))
660	svptr = SvGROW (data, len + dataoffset + 1);	1229	svptr = SvGROW (data, len + dataoffset + 1);
		1230	else if (SvCUR (data) < len + dataoffset)
		1231	croak ("length + dataoffset outside of scalar, and cannot grow");
661	}	1232	}
662
663	if (len < 0)
664	croak ("length must not be negative");
665		1233
666	{	1234	{
667	dREQ;	1235	dREQ;
668		1236
669	req->type = ix;	1237	req->type = ix;
670	req->sv1 = newSVsv (fh);	1238	req->sv1 = newSVsv (fh);
671	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1239	req->int1 = fd;
672	: IoOFP (sv_2io (fh)));
673	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1240	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
674	req->size = len;	1241	req->size = len;
675	req->sv2 = SvREFCNT_inc_NN (data);	1242	req->sv2 = SvREFCNT_inc (data);
676	req->ptr2 = (char *)svptr + dataoffset;	1243	req->ptr2 = (char *)svptr + dataoffset;
677	req->stroffset = dataoffset;	1244	req->stroffset = dataoffset;
678		1245
679	if (!SvREADONLY (data))	1246	if (!SvREADONLY (data))
680	{	1247	{
…		…
685	REQ_SEND;	1252	REQ_SEND;
686	}	1253	}
687	}	1254	}
688		1255
689	void	1256	void
690	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1257	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
691	PROTOTYPE: $$;$	1258	ALIAS:
		1259	aio_readlink = EIO_READLINK
		1260	aio_realpath = EIO_REALPATH
692	PPCODE:	1261	PPCODE:
693	{	1262	{
694	SV *data;
695	dREQ;	1263	dREQ;
696		1264
697	req->type = EIO_READLINK;	1265	req->type = ix;
698	req->sv1 = newSVsv (path);	1266	req_set_path1 (req, pathname);
699	req->ptr1 = SvPVbyte_nolen (req->sv1);
700		1267
701	REQ_SEND;	1268	REQ_SEND;
702	}	1269	}
703		1270
704	void	1271	void
705	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1272	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
706	PROTOTYPE: $$$$;$
707	PPCODE:	1273	PPCODE:
708	{	1274	{
		1275	int ifd = s_fileno_croak (in_fh , 0);
		1276	int ofd = s_fileno_croak (out_fh, 1);
709	dREQ;	1277	dREQ;
710		1278
711	req->type = EIO_SENDFILE;	1279	req->type = EIO_SENDFILE;
712	req->sv1 = newSVsv (out_fh);	1280	req->sv1 = newSVsv (out_fh);
713	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1281	req->int1 = ofd;
714	req->sv2 = newSVsv (in_fh);	1282	req->sv2 = newSVsv (in_fh);
715	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1283	req->int2 = ifd;
716	req->offs = SvVAL64 (in_offset);	1284	req->offs = in_offset;
717	req->size = length;	1285	req->size = length;
718		1286
719	REQ_SEND;	1287	REQ_SEND;
720	}	1288	}
721		1289
722	void	1290	void
723	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1291	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
724	PROTOTYPE: $$$;$
725	PPCODE:	1292	PPCODE:
726	{	1293	{
		1294	int fd = s_fileno_croak (fh, 0);
727	dREQ;	1295	dREQ;
728		1296
729	req->type = EIO_READAHEAD;	1297	req->type = EIO_READAHEAD;
730	req->sv1 = newSVsv (fh);	1298	req->sv1 = newSVsv (fh);
731	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1299	req->int1 = fd;
732	req->offs = SvVAL64 (offset);	1300	req->offs = offset;
733	req->size = length;	1301	req->size = length;
734		1302
735	REQ_SEND;	1303	REQ_SEND;
736	}	1304	}
737		1305
738	void	1306	void
739	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1307	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
740	ALIAS:	1308	ALIAS:
741	aio_stat = EIO_STAT	1309	aio_stat = EIO_STAT
742	aio_lstat = EIO_LSTAT	1310	aio_lstat = EIO_LSTAT
		1311	aio_statvfs = EIO_STATVFS
743	PPCODE:	1312	PPCODE:
744	{	1313	{
745	dREQ;	1314	dREQ;
746		1315
747	req->sv1 = newSVsv (fh_or_path);	1316	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
748
749	if (SvPOK (req->sv1))
750	{
751	req->type = ix;
752	req->ptr1 = SvPVbyte_nolen (req->sv1);
753	}
754	else
755	{
756	req->type = EIO_FSTAT;
757	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
758	}
759		1317
760	REQ_SEND;	1318	REQ_SEND;
761	}	1319	}
		1320
		1321	UV
		1322	major (UV dev)
		1323	ALIAS:
		1324	minor = 1
		1325	CODE:
		1326	RETVAL = ix ? major (dev) : minor (dev);
		1327	OUTPUT:
		1328	RETVAL
		1329
		1330	UV
		1331	makedev (UV maj, UV min)
		1332	CODE:
		1333	RETVAL = makedev (maj, min);
		1334	OUTPUT:
		1335	RETVAL
762		1336
763	void	1337	void
764	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1338	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
765	PPCODE:	1339	PPCODE:
766	{	1340	{
767	dREQ;	1341	dREQ;
768		1342
769	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1343	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
770	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1344	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
771	req->sv1 = newSVsv (fh_or_path);	1345	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
772
773	if (SvPOK (req->sv1))
774	{
775	req->type = EIO_UTIME;
776	req->ptr1 = SvPVbyte_nolen (req->sv1);
777	}
778	else
779	{
780	req->type = EIO_FUTIME;
781	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
782	}
783		1346
784	REQ_SEND;	1347	REQ_SEND;
785	}	1348	}
786		1349
787	void	1350	void
788	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1351	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
789	PPCODE:	1352	PPCODE:
790	{	1353	{
791	dREQ;	1354	dREQ;
792		1355
793	req->sv1 = newSVsv (fh_or_path);
794	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1356	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
795		1357	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
796	if (SvPOK (req->sv1))
797	{
798	req->type = EIO_TRUNCATE;
799	req->ptr1 = SvPVbyte_nolen (req->sv1);
800	}
801	else
802	{
803	req->type = EIO_FTRUNCATE;
804	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
805	}
806		1358
807	REQ_SEND;	1359	REQ_SEND;
808	}	1360	}
809		1361
810	void	1362	void
811	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1363	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
812	ALIAS:
813	aio_chmod = EIO_CHMOD
814	aio_mkdir = EIO_MKDIR
815	PPCODE:	1364	PPCODE:
816	{	1365	{
817	dREQ;	1366	dREQ;
818		1367
819	req->int2 = mode;	1368	req->int2 = mode;
820	req->sv1 = newSVsv (fh_or_path);	1369	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
821
822	if (SvPOK (req->sv1))
823	{
824	req->type = ix;
825	req->ptr1 = SvPVbyte_nolen (req->sv1);
826	}
827	else
828	{
829	req->type = EIO_FCHMOD;
830	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
831	}
832		1370
833	REQ_SEND;	1371	REQ_SEND;
834	}	1372	}
835		1373
836	void	1374	void
…		…
839	{	1377	{
840	dREQ;	1378	dREQ;
841		1379
842	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1380	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
843	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1381	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
844	req->sv1 = newSVsv (fh_or_path);	1382	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
845		1383
846	if (SvPOK (req->sv1))	1384	REQ_SEND;
847	{	1385	}
		1386
		1387	void
		1388	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1389	PPCODE:
		1390	{
		1391	dREQ;
		1392
		1393	req->type = EIO_READDIR;
		1394	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1395
		1396	if (flags & EIO_READDIR_DENTS)
		1397	req->int1 |= EIO_READDIR_CUSTOM2;
		1398
		1399	req_set_path1 (req, pathname);
		1400
		1401	REQ_SEND;
		1402	}
		1403
		1404	void
		1405	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1406	PPCODE:
		1407	{
		1408	dREQ;
		1409
848	req->type = EIO_CHOWN;	1410	req->type = EIO_MKDIR;
849	req->ptr1 = SvPVbyte_nolen (req->sv1);	1411	req->int2 = mode;
850	}	1412	req_set_path1 (req, pathname);
851	else
852	{
853	req->type = EIO_FCHOWN;
854	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
855	}
856		1413
857	REQ_SEND;	1414	REQ_SEND;
858	}	1415	}
859		1416
860	void	1417	void
…		…
866	PPCODE:	1423	PPCODE:
867	{	1424	{
868	dREQ;	1425	dREQ;
869		1426
870	req->type = ix;	1427	req->type = ix;
871	req->sv1 = newSVsv (pathname);	1428	req_set_path1 (req, pathname);
872	req->ptr1 = SvPVbyte_nolen (req->sv1);
873		1429
874	REQ_SEND;	1430	REQ_SEND;
875	}	1431	}
876		1432
877	void	1433	void
…		…
880	aio_link = EIO_LINK	1436	aio_link = EIO_LINK
881	aio_symlink = EIO_SYMLINK	1437	aio_symlink = EIO_SYMLINK
882	aio_rename = EIO_RENAME	1438	aio_rename = EIO_RENAME
883	PPCODE:	1439	PPCODE:
884	{	1440	{
		1441	eio_wd wd2 = 0;
885	dREQ;	1442	dREQ;
886		1443
887	req->type = ix;	1444	req->type = ix;
888	req->sv1 = newSVsv (oldpath);	1445	req_set_path1 (req, oldpath);
889	req->ptr1 = SvPVbyte_nolen (req->sv1);	1446	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
890	req->sv2 = newSVsv (newpath);	1447	req->int3 = (long)wd2;
891	req->ptr2 = SvPVbyte_nolen (req->sv2);
892		1448
893	REQ_SEND;	1449	REQ_SEND;
894	}	1450	}
895		1451
896	void	1452	void
…		…
898	PPCODE:	1454	PPCODE:
899	{	1455	{
900	dREQ;	1456	dREQ;
901		1457
902	req->type = EIO_MKNOD;	1458	req->type = EIO_MKNOD;
903	req->sv1 = newSVsv (pathname);
904	req->ptr1 = SvPVbyte_nolen (req->sv1);
905	req->int2 = (mode_t)mode;	1459	req->int2 = (mode_t)mode;
906	req->offs = dev;	1460	req->offs = dev;
		1461	req_set_path1 (req, pathname);
907		1462
908	REQ_SEND;	1463	REQ_SEND;
909	}	1464	}
910		1465
911	void	1466	void
		1467	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1468	ALIAS:
		1469	aio_mtouch = EIO_MTOUCH
		1470	aio_msync = EIO_MSYNC
		1471	PPCODE:
		1472	{
		1473	STRLEN svlen;
		1474	char *svptr = SvPVbyte (data, svlen);
		1475	UV len = SvUV (length);
		1476
		1477	if (offset < 0)
		1478	offset += svlen;
		1479
		1480	if (offset < 0 || offset > svlen)
		1481	croak ("offset outside of scalar");
		1482
		1483	if (!SvOK (length) || len + offset > svlen)
		1484	len = svlen - offset;
		1485
		1486	{
		1487	dREQ;
		1488
		1489	req->type = ix;
		1490	req->sv2 = SvREFCNT_inc (data);
		1491	req->ptr2 = (char *)svptr + offset;
		1492	req->size = len;
		1493	req->int1 = flags;
		1494
		1495	REQ_SEND;
		1496	}
		1497	}
		1498
		1499	void
		1500	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1501	PPCODE:
		1502	{
		1503	STRLEN svlen;
		1504	char *svptr = SvPVbyte (data, svlen);
		1505	UV len = SvUV (length);
		1506
		1507	if (offset < 0)
		1508	offset += svlen;
		1509
		1510	if (offset < 0 || offset > svlen)
		1511	croak ("offset outside of scalar");
		1512
		1513	if (!SvOK (length) || len + offset > svlen)
		1514	len = svlen - offset;
		1515
		1516	{
		1517	dREQ;
		1518
		1519	req->type = EIO_MLOCK;
		1520	req->sv2 = SvREFCNT_inc (data);
		1521	req->ptr2 = (char *)svptr + offset;
		1522	req->size = len;
		1523
		1524	REQ_SEND;
		1525	}
		1526	}
		1527
		1528	void
		1529	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1530	PPCODE:
		1531	{
		1532	dREQ;
		1533
		1534	req->type = EIO_MLOCKALL;
		1535	req->int1 = flags;
		1536
		1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1542	PPCODE:
		1543	{
		1544	int fd = s_fileno_croak (fh, 0);
		1545	dREQ;
		1546
		1547	req->type = EIO_CUSTOM;
		1548	req->sv1 = newSVsv (fh);
		1549	req->int1 = fd;
		1550
		1551	req->feed = fiemap;
		1552	#if HAVE_FIEMAP
		1553	/* keep our fingers crossed that the next two types are 64 bit */
		1554	req->offs = start;
		1555	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1556	req->int2 = flags;
		1557	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1558	#endif
		1559
		1560	REQ_SEND;
		1561	}
		1562
		1563	void
912	aio_busy (double delay, SV *callback=&PL_sv_undef)	1564	aio_busy (double delay, SV *callback=&PL_sv_undef)
913	PPCODE:	1565	PPCODE:
914	{	1566	{
915	dREQ;	1567	dREQ;
916		1568
…		…
920	REQ_SEND;	1572	REQ_SEND;
921	}	1573	}
922		1574
923	void	1575	void
924	aio_group (SV *callback=&PL_sv_undef)	1576	aio_group (SV *callback=&PL_sv_undef)
925	PROTOTYPE: ;$
926	PPCODE:	1577	PPCODE:
927	{	1578	{
928	dREQ;	1579	dREQ;
929		1580
930	req->type = EIO_GROUP;	1581	req->type = EIO_GROUP;
931		1582
932	req_submit (req);	1583	req_submit (req);
933	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1584	XPUSHs (req_sv (req, aio_grp_stash));
934	}	1585	}
935		1586
936	void	1587	void
937	aio_nop (SV *callback=&PL_sv_undef)	1588	aio_nop (SV *callback=&PL_sv_undef)
938	ALIAS:	1589	ALIAS:
…		…
947	REQ_SEND;	1598	REQ_SEND;
948	}	1599	}
949		1600
950	int	1601	int
951	aioreq_pri (int pri = 0)	1602	aioreq_pri (int pri = 0)
952	PROTOTYPE: ;$
953	CODE:	1603	CODE:
954	RETVAL = next_pri;	1604	RETVAL = next_pri;
955	if (items > 0)	1605	if (items > 0)
956	{	1606	{
957	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1607	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
969	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1619	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
970	next_pri = nice;	1620	next_pri = nice;
971		1621
972	void	1622	void
973	flush ()	1623	flush ()
974	PROTOTYPE:
975	CODE:	1624	CODE:
976	while (eio_nreqs ())	1625	while (eio_nreqs ())
977	{	1626	{
978	poll_wait ();	1627	poll_wait ();
979	poll_cb ();	1628	poll_cb ();
980	}	1629	}
981		1630
982	int	1631	int
983	poll()	1632	poll ()
984	PROTOTYPE:
985	CODE:	1633	CODE:
986	poll_wait ();	1634	poll_wait ();
987	RETVAL = poll_cb ();	1635	RETVAL = poll_cb ();
988	OUTPUT:	1636	OUTPUT:
989	RETVAL	1637	RETVAL
990		1638
991	int	1639	int
992	poll_fileno()	1640	poll_fileno ()
993	PROTOTYPE:
994	CODE:	1641	CODE:
995	RETVAL = respipe [0];	1642	RETVAL = s_epipe_fd (&respipe);
996	OUTPUT:	1643	OUTPUT:
997	RETVAL	1644	RETVAL
998		1645
999	int	1646	int
1000	poll_cb(...)	1647	poll_cb (...)
1001	PROTOTYPE:	1648	PROTOTYPE:
1002	CODE:	1649	CODE:
1003	RETVAL = poll_cb ();	1650	RETVAL = poll_cb ();
1004	OUTPUT:	1651	OUTPUT:
1005	RETVAL	1652	RETVAL
1006		1653
1007	void	1654	void
1008	poll_wait()	1655	poll_wait ()
1009	PROTOTYPE:
1010	CODE:	1656	CODE:
1011	poll_wait ();	1657	poll_wait ();
1012		1658
1013	int	1659	int
1014	nreqs()	1660	nreqs ()
1015	PROTOTYPE:
1016	CODE:	1661	CODE:
1017	RETVAL = eio_nreqs ();	1662	RETVAL = eio_nreqs ();
1018	OUTPUT:	1663	OUTPUT:
1019	RETVAL	1664	RETVAL
1020		1665
1021	int	1666	int
1022	nready()	1667	nready ()
1023	PROTOTYPE:
1024	CODE:	1668	CODE:
1025	RETVAL = eio_nready ();	1669	RETVAL = eio_nready ();
1026	OUTPUT:	1670	OUTPUT:
1027	RETVAL	1671	RETVAL
1028		1672
1029	int	1673	int
1030	npending()	1674	npending ()
1031	PROTOTYPE:
1032	CODE:	1675	CODE:
1033	RETVAL = eio_npending ();	1676	RETVAL = eio_npending ();
1034	OUTPUT:	1677	OUTPUT:
1035	RETVAL	1678	RETVAL
1036		1679
1037	int	1680	int
1038	nthreads()	1681	nthreads ()
1039	PROTOTYPE:
1040	CODE:	1682	CODE:
1041	RETVAL = eio_nthreads ();	1683	RETVAL = eio_nthreads ();
1042	OUTPUT:	1684	OUTPUT:
1043	RETVAL	1685	RETVAL
1044		1686
		1687	int
		1688	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1689	CODE:
		1690	RETVAL = posix_fadvise (fh, offset, length, advice);
		1691	OUTPUT:
		1692	RETVAL
		1693
		1694	IV
		1695	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1696	CODE:
		1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1698	OUTPUT:
		1699	RETVAL
		1700
		1701	void
		1702	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		1703	PPCODE:
		1704	sv_unmagic (scalar, MMAP_MAGIC);
		1705	{
		1706	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1707	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1708	if (addr == (void *)-1)
		1709	XSRETURN_NO;
		1710
		1711	sv_force_normal (scalar);
		1712
		1713	/* we store the length in mg_obj, as namlen is I32 :/ */
		1714	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1715	->mg_obj = (SV *)length;
		1716
		1717	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1718
		1719	if (!(prot & PROT_WRITE))
		1720	SvREADONLY_on (scalar);
		1721
		1722	if (SvLEN (scalar))
		1723	Safefree (SvPVX (scalar));
		1724
		1725	SvPVX (scalar) = (char *)addr;
		1726	SvCUR_set (scalar, length);
		1727	SvLEN_set (scalar, 0);
		1728	SvPOK_only (scalar);
		1729
		1730	XSRETURN_YES;
		1731	}
		1732
		1733	void
		1734	munmap (SV *scalar)
		1735	CODE:
		1736	sv_unmagic (scalar, MMAP_MAGIC);
		1737
		1738	int
		1739	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1740	ALIAS:
		1741	mprotect = 1
		1742	CODE:
		1743	{
		1744	STRLEN svlen;
		1745	void *addr = SvPVbyte (scalar, svlen);
		1746	size_t len = SvUV (length);
		1747
		1748	if (offset < 0)
		1749	offset += svlen;
		1750
		1751	if (offset < 0 || offset > svlen)
		1752	croak ("offset outside of scalar");
		1753
		1754	if (!SvOK (length) || len + offset > svlen)
		1755	len = svlen - offset;
		1756
		1757	addr = (void *)(((intptr_t)addr) + offset);
		1758	eio_page_align (&addr, &len);
		1759
		1760	switch (ix)
		1761	{
		1762	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1763	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1764	}
		1765	}
		1766	OUTPUT:
		1767	RETVAL
		1768
		1769	int
		1770	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1771	CODE:
		1772	{
		1773	STRLEN svlen;
		1774	void *addr = SvPVbyte (scalar, svlen);
		1775	size_t len = SvUV (length);
		1776
		1777	if (offset < 0)
		1778	offset += svlen;
		1779
		1780	if (offset < 0 || offset > svlen)
		1781	croak ("offset outside of scalar");
		1782
		1783	if (!SvOK (length) || len + offset > svlen)
		1784	len = svlen - offset;
		1785
		1786	addr = (void *)(((intptr_t)addr) + offset);
		1787	eio_page_align (&addr, &len);
		1788	#if _POSIX_MEMLOCK_RANGE
		1789	RETVAL = munlock (addr, len);
		1790	#else
		1791	RETVAL = EIO_ENOSYS ();
		1792	#endif
		1793	}
		1794	OUTPUT:
		1795	RETVAL
		1796
		1797	int
		1798	munlockall ()
		1799	CODE:
		1800	#if _POSIX_MEMLOCK
		1801	munlockall ();
		1802	#else
		1803	RETVAL = EIO_ENOSYS ();
		1804	#endif
		1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int
		1809	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1810	CODE:
		1811	{
		1812	#if HAVE_LINUX_SPLICE
		1813	loff_t off_in_, off_out_;
		1814	RETVAL = splice (
		1815	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1816	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1817	length, flags
		1818	);
		1819	#else
		1820	RETVAL = EIO_ENOSYS ();
		1821	#endif
		1822	}
		1823	OUTPUT:
		1824	RETVAL
		1825
		1826	int
		1827	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1828	CODE:
		1829	#if HAVE_LINUX_SPLICE
		1830	RETVAL = tee (rfh, wfh, length, flags);
		1831	#else
		1832	RETVAL = EIO_ENOSYS ();
		1833	#endif
		1834	OUTPUT:
		1835	RETVAL
		1836
1045	void _on_next_submit (SV *cb)	1837	void _on_next_submit (SV *cb)
1046	CODE:	1838	CODE:
1047	SvREFCNT_dec (on_next_submit);	1839	SvREFCNT_dec (on_next_submit);
1048	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1840	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1049		1841
1050	PROTOTYPES: DISABLE	1842	PROTOTYPES: DISABLE
1051		1843
		1844	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1845
		1846	BOOT:
		1847	{
		1848	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1849	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1850	}
		1851
		1852	void
		1853	DESTROY (SV *self)
		1854	CODE:
		1855	{
		1856	aio_wd wd = SvAIO_WD (self);
		1857	#if HAVE_AT
		1858	{
		1859	SV *callback = &PL_sv_undef;
		1860	dREQ; /* clobbers next_pri :/ */
		1861	next_pri = req->pri; /* restore next_pri */
		1862	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1863	req->type = EIO_WD_CLOSE;
		1864	req->wd = wd;
		1865	REQ_SEND;
		1866	}
		1867	#else
		1868	eio_wd_close_sync (wd);
		1869	#endif
		1870	}
		1871
1052	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1872	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1053		1873
1054	void	1874	void
1055	cancel (aio_req_ornot req)	1875	cancel (aio_req_ornot req)
1056	CODE:	1876	CODE:
…		…
1063	if (GIMME_V != G_VOID)	1883	if (GIMME_V != G_VOID)
1064	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1884	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1065		1885
1066	if (items > 1)	1886	if (items > 1)
1067	{	1887	{
1068	SV *cb_cv = get_cb (callback);	1888	SV *cb_cv =get_cb (callback);
1069		1889
1070	SvREFCNT_dec (req->callback);	1890	SvREFCNT_dec (req->callback);
1071	req->callback = SvREFCNT_inc (cb_cv);	1891	req->callback = SvREFCNT_inc (cb_cv);
1072	}	1892	}
1073	}	1893	}
…		…
1110	AV *av;	1930	AV *av;
1111		1931
1112	grp->errorno = errno;	1932	grp->errorno = errno;
1113		1933
1114	av = newAV ();	1934	av = newAV ();
		1935	av_extend (av, items - 1);
1115		1936
1116	for (i = 1; i < items; ++i )	1937	for (i = 1; i < items; ++i )
1117	av_push (av, newSVsv (ST (i)));	1938	av_push (av, newSVsv (ST (i)));
1118		1939
1119	SvREFCNT_dec (grp->sv1);	1940	SvREFCNT_dec (grp->sv1);
…		…
1133	void	1954	void
1134	feed (aio_req grp, SV *callback=&PL_sv_undef)	1955	feed (aio_req grp, SV *callback=&PL_sv_undef)
1135	CODE:	1956	CODE:
1136	{	1957	{
1137	SvREFCNT_dec (grp->sv2);	1958	SvREFCNT_dec (grp->sv2);
1138	grp->sv2 = newSVsv (callback);	1959	grp->sv2 = newSVsv (callback);
		1960	grp->feed = aio_grp_feed;
1139		1961
1140	if (grp->int2 <= 0)	1962	if (grp->int2 <= 0)
1141	grp->int2 = 2;	1963	grp->int2 = 2;
1142		1964
1143	eio_grp_limit (grp, grp->int2);	1965	eio_grp_limit (grp, grp->int2);

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines