ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.237 by root, Thu Jun 25 18:08:47 2015 UTC

…		…
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <limits.h>	16	#include <limits.h>
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
		35	#endif
		36
20	/* perl namespace pollution */	37	/* perl namespace pollution */
21	#undef VERSION	38	#undef VERSION
22
23	#ifdef _WIN32
24
25	# define EIO_STRUCT_DIRENT Direntry_t
26	# undef malloc
27	# undef free
28
29	// perl overrides all those nice win32 functions
30	# undef open
31	# undef read
32	# undef write
33	# undef send
34	# undef recv
35	# undef stat
36	# undef fstat
37	# define lstat stat
38	# undef truncate
39	# undef ftruncate
40	# undef open
41	# undef close
42	# undef unlink
43	# undef rmdir
44	# undef rename
45	# undef lseek
46
47	# define chown(a,b,c) (errno = ENOSYS, -1)
48	# define fchown(a,b,c) (errno = ENOSYS, -1)
49	# define fchmod(a,b) (errno = ENOSYS, -1)
50	# define symlink(a,b) (errno = ENOSYS, -1)
51	# define readlink(a,b,c) (errno = ENOSYS, -1)
52	# define mknod(a,b,c) (errno = ENOSYS, -1)
53	# define truncate(a,b) (errno = ENOSYS, -1)
54	# define ftruncate(fd,o) chsize ((fd), (o))
55	# define fsync(fd) _commit (fd)
56	# define opendir(fd) (errno = ENOSYS, 0)
57	# define readdir(fd) (errno = ENOSYS, -1)
58	# define closedir(fd) (errno = ENOSYS, -1)
59	# define mkdir(a,b) mkdir (a)
60
61	#else
62
63	# include <sys/time.h>
64	# include <sys/select.h>
65	# include <unistd.h>
66	# include <utime.h>
67	# include <signal.h>
68	# define EIO_STRUCT_DIRENT struct dirent
69
70	#endif
71		39
72	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
73	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
74	#undef readdir	42	#undef readdir
75	#undef opendir	43	#undef opendir
76	#undef closedir	44	#undef closedir
77		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
78	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
79		82
80	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8
82	# define VAL64 IV
83	# define SvVAL64 SvIV
84	# define newSVval64 newSViv
85	#else	83	#else
86	# define VAL64 NV	84
87	# define SvVAL64 SvNV	85	#include <sys/time.h>
88	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
89	#endif	93	#endif
90		94
91	/*****************************************************************************/	95	/*****************************************************************************/
92		96
93	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
103		107
104	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
107		111
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		113
110	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
111	SV *callback; \	115	SV *callback; \
112	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
113	STRLEN stroffset; \	118	STRLEN stroffset; \
114	SV *self;	119	SV *self;
115		120
116	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
117		122
		123	#include "libeio/config.h"
118	#include "libeio/eio.h"	124	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	# define NO_FADVISE 1
123	#endif
124
125	#ifndef POSIX_FADV_SEQUENTIAL
126	# define POSIX_FADV_SEQUENTIAL 0
127	#endif
128
129	#ifndef POSIX_FADV_RANDOM
130	# define POSIX_FADV_RANDOM 0
131	#endif
132
133	#ifndef POSIX_FADV_NOREUSE
134	# define POSIX_FADV_NOREUSE 0
135	#endif
136
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		125
145	static int req_invoke (eio_req *req);	126	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	127	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	128	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	129	#define EIO_DESTROY(req) req_destroy (req)
149		130
		131	#include "libeio/eio.c"
		132
		133	#if !HAVE_POSIX_FADVISE
		134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		135	#endif
		136
		137	#if !HAVE_POSIX_MADVISE
		138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		139	#endif
		140
		141	#ifndef MAP_ANONYMOUS
		142	# ifdef MAP_ANON
		143	# define MAP_ANONYMOUS MAP_ANON
		144	# else
		145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		146	# endif
		147	#endif
		148
		149	/* defines all sorts of constants to 0 unless they are already defined */
		150	/* also provides const_iv_ and const_niv_ macros for them */
		151	#include "def0.h"
		152
		153	#ifndef makedev
		154	# define makedev(maj,min) (((maj) << 8) | (min))
		155	#endif
		156	#ifndef major
		157	# define major(dev) ((dev) >> 8)
		158	#endif
		159	#ifndef minor
		160	# define minor(dev) ((dev) & 0xff)
		161	#endif
		162
		163	#if PAGESIZE <= 0
		164	# define PAGESIZE sysconf (_SC_PAGESIZE)
		165	#endif
		166
		167	/*****************************************************************************/
		168
		169	static void
		170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
		266
150	enum {	267	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	269	};
153		270
154	#include "libeio/eio.c"
155
156	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
158		274
159	static SV *on_next_submit;	275	static SV *on_next_submit;
160	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
161	static int max_outstanding;	277	static int max_outstanding;
162		278
163	static s_epipe respipe;	279	static s_epipe respipe;
164		280
165	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
166	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
167		283
168	static void want_poll (void)	284	static void
		285	want_poll (void)
169	{	286	{
170	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
171	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
172	}	289	}
173		290
174	static void done_poll (void)	291	static void
		292	done_poll (void)
175	{	293	{
176	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
177	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
178	}	296	}
179		297
180	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
181	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
182	{	301	{
183	if (!req->self)	302	if (!req->self)
184	{	303	{
185	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
186	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
187	}	306	}
188		307
189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
190	}	309	}
191		310
192	static aio_req SvAIO_REQ (SV *sv)	311	static SV *
		312	newSVaio_wd (aio_wd wd)
		313	{
		314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		315	}
		316
		317	static aio_req
		318	SvAIO_REQ (SV *sv)
193	{	319	{
194	MAGIC *mg;	320	MAGIC *mg;
195		321
196	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
197	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
198	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
199	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
200	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
201		328
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		330
204	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
205	}	332	}
206		333
		334	static aio_wd
		335	SvAIO_WD (SV *sv)
		336	{
		337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		341
		342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
		368	}
		369
		370	static void
207	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
208	{	372	{
209	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
210	{	374	{
211	dSP;	375	dSP;
212		376
…		…
220	FREETMPS;	384	FREETMPS;
221	LEAVE;	385	LEAVE;
222	}	386	}
223	}	387	}
224		388
		389	static void
225	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
226	{	391	{
227	eio_submit (req);	392	eio_submit (req);
228		393
229	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
230	{	395	{
…		…
237	PUTBACK;	402	PUTBACK;
238	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
239	}	404	}
240	}	405	}
241		406
		407	static int
242	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
243	{	409	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
248		412
249	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
250	{	414	{
		415	dSP;
		416	static SV *sv_result_cache; /* caches the result integer SV */
		417	SV *sv_result;
		418
251	ENTER;	419	ENTER;
252	SAVETMPS;	420	SAVETMPS;
253	PUSHMARK (SP);	421	PUSHMARK (SP);
254	EXTEND (SP, 1);	422	EXTEND (SP, 1);
255		423
		424	/* do not recreate the result IV from scratch each time */
		425	if (expect_true (sv_result_cache))
		426	{
		427	sv_result = sv_result_cache; sv_result_cache = 0;
		428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
		430	}
		431	else
		432	{
		433	sv_result = newSViv (req->result);
		434	SvREADONLY_on (sv_result);
		435	}
		436
256	switch (req->type)	437	switch (req->type)
257	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
258	case EIO_READDIR:	443	case EIO_READDIR:
259	{	444	{
260	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
261		446
262	if (req->result >= 0)	447	if (req->result >= 0)
…		…
315	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
316	}	501	}
317	break;	502	break;
318		503
319	case EIO_OPEN:	504	case EIO_OPEN:
		505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
		506	break;
		507
		508	case EIO_STATVFS:
		509	case EIO_FSTATVFS:
320	{	510	{
321	/* convert fd to fh */
322	SV *fh = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
323		512
		513	#ifndef _WIN32
324	if (req->result >= 0)	514	if (req->result >= 0)
325	{	515	{
		516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
326	GV *gv = (GV *)sv_newmortal ();	517	HV *hv = newHV ();
327	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
328	char sym [64];	519	* chooses to make it a struct.
329	int symlen;
330		520	*/
331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	521	unsigned long fsid = 0;
332	gv_init (gv, aio_stash, sym, symlen, 0);	522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
333		523
334	symlen = snprintf (	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
335	sym,
336	sizeof (sym),
337	"%s&=%d",
338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
339	(int)req->result
340	);
341		525
342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
343	fh = (SV *)gv;	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		528	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
		535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
344	}	537	}
		538	#endif
345		539
346	PUSHs (fh);	540	PUSHs (rv);
347	}	541	}
		542
348	break;	543	break;
349		544
350	case EIO_GROUP:	545	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	546	req->int1 = 2; /* mark group as finished */
352		547
…		…
364	case EIO_NOP:	559	case EIO_NOP:
365	case EIO_BUSY:	560	case EIO_BUSY:
366	break;	561	break;
367		562
368	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
369	if (req->result > 0)	565	if (req->result > 0)
370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371	break;	567	break;
372		568
373	case EIO_STAT:	569	case EIO_STAT:
374	case EIO_LSTAT:	570	case EIO_LSTAT:
375	case EIO_FSTAT:	571	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
377	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
378	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	577
		578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
380	break;	583	break;
381		584
382	case EIO_READ:	585	case EIO_READ:
383	{	586	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	588	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	589	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	591	PUSHs (sv_result);
389	}	592	}
390	break;	593	break;
391		594
392	case EIO_DUP2:	595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
		635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393	if (req->result > 0)	636	if (req->result > 0)
394	req->result = 0;	637	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	638	/* FALLTHROUGH */
396		639
397	default:	640	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	641	PUSHs (sv_result);
399	break;	642	break;
400	}	643	}
401		644
402	errno = req->errorno;	645	errno = req->errorno;
403		646
404	PUTBACK;	647	PUTBACK;
405	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	648	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406	SPAGAIN;	649	SPAGAIN;
407		650
		651	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		652	SvREFCNT_dec (sv_result);
		653	else
		654	sv_result_cache = sv_result;
		655
408	FREETMPS;	656	FREETMPS;
409	LEAVE;	657	LEAVE;
410		658
411	PUTBACK;	659	PUTBACK;
412	}	660	}
413		661
414	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
415	}	663	}
416		664
		665	static void
417	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
418	{	667	{
419	if (req->self)	668	if (req->self)
420	{	669	{
421	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
422	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
423	}	672	}
424		673
425	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
426	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
427	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
428		679
429	Safefree (req);	680	free (req);
430	}	681	}
431		682
		683	static void
432	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
433	{	685	{
434	aio_req sub;
435
436	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
437	return;	687	return;
438		688
439	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
440	grp->sv2 = 0;	690	grp->sv2 = 0;
441		691
442	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
443	}	693	}
444		694
445	static void	695	static void ecb_cold
446	create_respipe (void)	696	create_respipe (void)
447	{	697	{
448	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
449	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
450	}	700	}
451		701
452	static void poll_wait (void)	702	static void
		703	poll_wait (void)
453	{	704	{
454	while (eio_nreqs ())	705	while (eio_nreqs ())
455	{	706	{
456	int size;	707	int size;
457		708
458	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
459	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
460	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
461		712
462	if (size)	713	if (size)
463	return;	714	return;
464		715
465	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
466		717
467	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
468	}	719	}
469	}	720	}
470		721
471	static int poll_cb (void)	722	static int
		723	poll_cb (void)
472	{	724	{
473	for (;;)	725	for (;;)
474	{	726	{
475	int res = eio_poll ();	727	int res = eio_poll ();
476		728
…		…
482		734
483	poll_wait ();	735	poll_wait ();
484	}	736	}
485	}	737	}
486		738
487	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
488	{	741	{
489	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
490	}	746	}
		747
		748	/*****************************************************************************/
		749
		750	#if !_POSIX_MAPPED_FILES
		751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
		756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		757	#endif
		758
		759	#define MMAP_MAGIC PERL_MAGIC_ext
		760
		761	static int ecb_cold
		762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		763	{
		764	int old_errno = errno;
		765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		766	errno = old_errno;
		767
		768	mg->mg_obj = 0; /* just in case */
		769
		770	SvREADONLY_off (sv);
		771
		772	if (SvPVX (sv) != mg->mg_ptr)
		773	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		774
		775	SvCUR_set (sv, 0);
		776	SvPVX (sv) = 0;
		777	SvOK_off (sv);
		778
		779	return 0;
		780	}
		781
		782	static MGVTBL mmap_vtbl = {
		783	0, 0, 0, 0, mmap_free
		784	};
		785
		786	/*****************************************************************************/
491		787
492	static SV *	788	static SV *
493	get_cb (SV *cb_sv)	789	get_cb (SV *cb_sv)
494	{	790	{
495	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
496	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497	}	793	}
498		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
499	#define dREQ \	815	#define dREQ \
500	SV *cb_cv; \	816	aio_req req = dreq (callback); \
501	aio_req req; \
502	int req_pri = next_pri; \
503	next_pri = EIO_PRI_DEFAULT; \
504	\
505	cb_cv = get_cb (callback); \
506	\
507	Newz (0, req, 1, eio_req); \
508	if (!req) \
509	croak ("out of memory during eio_req allocation"); \
510	\
511	req->callback = SvREFCNT_inc (cb_cv); \
512	req->pri = req_pri
513		817
514	#define REQ_SEND \	818	#define REQ_SEND \
515	PUTBACK; \	819	PUTBACK; \
516	req_submit (req); \	820	req_submit (req); \
517	SPAGAIN; \	821	SPAGAIN; \
518	\	822	\
519	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
520	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
521		825
		826	ecb_inline void
		827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		828	{
		829	if (expect_false (SvROK (path)))
		830	{
		831	SV *rv = SvRV (path);
		832	SV *wdob;
		833
		834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
		841	*wd = SvAIO_WD (wdob);
		842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
		853	}
		854	else
		855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		856	}
		857
		858	*pathsv = newSVsv (path);
		859	*ptr = SvPVbyte_nolen (*pathsv);
		860	}
		861
		862	static void ecb_noinline
		863	req_set_path1 (aio_req req, SV *path)
		864	{
		865	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		870	{
		871	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		872
		873	switch (SvTYPE (rv))
		874	{
		875	case SVt_PVIO:
		876	case SVt_PVLV:
		877	case SVt_PVGV:
		878	req->type = type_fh;
		879	req->sv1 = newSVsv (fh_or_path);
		880	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		881	break;
		882
		883	default:
		884	req->type = type_path;
		885	req_set_path1 (req, fh_or_path);
		886	break;
		887	}
		888	}
		889
		890	XS(boot_IO__AIO) ecb_cold;
		891
522	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
523		893
524	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
525		895
526	BOOT:	896	BOOT:
527	{	897	{
528	static const struct {	898	static const struct {
529	const char *name;	899	const char *name;
530	IV iv;	900	IV iv;
531	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
532	# define const_iv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
		903	# define const_iv(name) { # name, (IV) name },
533	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
534	const_iv (EXDEV , EXDEV)	905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
535	const_iv (ENOSYS , ENOSYS)	908	const_iv (ENOSYS)
536	const_iv (O_RDONLY, O_RDONLY)	909	const_iv (EXDEV)
537	const_iv (O_WRONLY, O_WRONLY)	910	const_iv (EBADR)
538	const_iv (O_CREAT , O_CREAT)	911
539	const_iv (O_TRUNC , O_TRUNC)	912	/* for lseek */
540	#ifndef _WIN32	913	const_iv (SEEK_DATA)
541	const_iv (S_IFIFO , S_IFIFO)	914	const_iv (SEEK_HOLE)
542	#endif	915
543	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
		930	const_iv (O_RDONLY)
		931	const_iv (O_WRONLY)
		932	const_iv (O_RDWR)
		933	const_iv (O_CREAT)
		934	const_iv (O_TRUNC)
		935	const_iv (O_EXCL)
		936	const_iv (O_APPEND)
		937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
		954	const_iv (O_TTY_INIT)
		955
		956	const_iv (S_IFIFO)
		957	const_iv (S_IFCHR)
		958	const_iv (S_IFBLK)
		959	const_iv (S_IFLNK)
		960	const_iv (S_IFREG)
		961	const_iv (S_IFDIR)
		962	const_iv (S_IFWHT)
		963	const_iv (S_IFSOCK)
		964	const_iv (S_IFMT)
		965
		966	const_iv (ST_RDONLY)
		967	const_iv (ST_NOSUID)
		968	const_iv (ST_NODEV)
		969	const_iv (ST_NOEXEC)
		970	const_iv (ST_SYNCHRONOUS)
		971	const_iv (ST_MANDLOCK)
		972	const_iv (ST_WRITE)
		973	const_iv (ST_APPEND)
		974	const_iv (ST_IMMUTABLE)
		975	const_iv (ST_NOATIME)
		976	const_iv (ST_NODIRATIME)
		977	const_iv (ST_RELATIME)
		978
		979	const_iv (PROT_NONE)
		980	const_iv (PROT_EXEC)
		981	const_iv (PROT_READ)
		982	const_iv (PROT_WRITE)
		983
		984	const_iv (MAP_PRIVATE)
		985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
		987	const_iv (MAP_ANONYMOUS)
		988
		989	/* linuxish */
		990	const_iv (MAP_HUGETLB)
		991	const_iv (MAP_LOCKED)
		992	const_iv (MAP_NORESERVE)
		993	const_iv (MAP_POPULATE)
		994	const_iv (MAP_NONBLOCK)
		995	const_iv (MAP_GROWSDOWN)
		996	const_iv (MAP_32BIT)
		997	const_iv (MAP_HUGETLB)
		998	const_iv (MAP_STACK)
		999
		1000	const_iv (FIEMAP_FLAG_SYNC)
		1001	const_iv (FIEMAP_FLAG_XATTR)
		1002	const_iv (FIEMAP_FLAGS_COMPAT)
		1003	const_iv (FIEMAP_EXTENT_LAST)
		1004	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1005	const_iv (FIEMAP_EXTENT_DELALLOC)
		1006	const_iv (FIEMAP_EXTENT_ENCODED)
		1007	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1008	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1009	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1010	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1011	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1012	const_iv (FIEMAP_EXTENT_MERGED)
		1013	const_iv (FIEMAP_EXTENT_SHARED)
		1014
		1015	const_iv (SPLICE_F_MOVE)
		1016	const_iv (SPLICE_F_NONBLOCK)
		1017	const_iv (SPLICE_F_MORE)
		1018	const_iv (SPLICE_F_GIFT)
		1019
		1020	/* these are libeio constants, and are independent of gendef0 */
		1021	const_eio (SEEK_SET)
		1022	const_eio (SEEK_CUR)
		1023	const_eio (SEEK_END)
		1024
		1025	const_eio (MCL_FUTURE)
		1026	const_eio (MCL_CURRENT)
549		1027
550	const_eio (MS_ASYNC)	1028	const_eio (MS_ASYNC)
551	const_eio (MS_INVALIDATE)	1029	const_eio (MS_INVALIDATE)
552	const_eio (MS_SYNC)	1030	const_eio (MS_SYNC)
553		1031
554	const_eio (MT_MODIFY)	1032	const_eio (MT_MODIFY)
555		1033
556	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1034	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
557	const_eio (SYNC_FILE_RANGE_WRITE)	1035	const_eio (SYNC_FILE_RANGE_WRITE)
558	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1036	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1037
		1038	const_eio (FALLOC_FL_KEEP_SIZE)
		1039	const_eio (FALLOC_FL_PUNCH_HOLE)
		1040	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1041	const_eio (FALLOC_FL_ZERO_RANGE)
559		1042
560	const_eio (READDIR_DENTS)	1043	const_eio (READDIR_DENTS)
561	const_eio (READDIR_DIRS_FIRST)	1044	const_eio (READDIR_DIRS_FIRST)
562	const_eio (READDIR_STAT_ORDER)	1045	const_eio (READDIR_STAT_ORDER)
563	const_eio (READDIR_FOUND_UNKNOWN)	1046	const_eio (READDIR_FOUND_UNKNOWN)
…		…
574	};	1057	};
575		1058
576	aio_stash = gv_stashpv ("IO::AIO" , 1);	1059	aio_stash = gv_stashpv ("IO::AIO" , 1);
577	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1060	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
578	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1061	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1062	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
579		1063
580	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1064	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
581	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1065	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
582		1066
583	create_respipe ();	1067	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
584		1068
585	if (eio_init (want_poll, done_poll) < 0)	1069	reinit ();
586	croak ("IO::AIO: unable to initialise eio library");
587
588	/* atfork child called in fifo order, so before eio's handler */
589	X_THREAD_ATFORK (0, 0, atfork_child);
590	}	1070	}
591		1071
592	void	1072	void
		1073	reinit ()
		1074	PROTOTYPE:
		1075
		1076	void
593	max_poll_reqs (int nreqs)	1077	max_poll_reqs (unsigned int nreqs)
594	PROTOTYPE: $	1078	PROTOTYPE: $
595	CODE:	1079	CODE:
596	eio_set_max_poll_reqs (nreqs);	1080	eio_set_max_poll_reqs (nreqs);
597		1081
598	void	1082	void
…		…
600	PROTOTYPE: $	1084	PROTOTYPE: $
601	CODE:	1085	CODE:
602	eio_set_max_poll_time (nseconds);	1086	eio_set_max_poll_time (nseconds);
603		1087
604	void	1088	void
605	min_parallel (int nthreads)	1089	min_parallel (unsigned int nthreads)
606	PROTOTYPE: $	1090	PROTOTYPE: $
607	CODE:	1091	CODE:
608	eio_set_min_parallel (nthreads);	1092	eio_set_min_parallel (nthreads);
609		1093
610	void	1094	void
611	max_parallel (int nthreads)	1095	max_parallel (unsigned int nthreads)
612	PROTOTYPE: $	1096	PROTOTYPE: $
613	CODE:	1097	CODE:
614	eio_set_max_parallel (nthreads);	1098	eio_set_max_parallel (nthreads);
615		1099
616	void	1100	void
617	max_idle (int nthreads)	1101	max_idle (unsigned int nthreads)
618	PROTOTYPE: $	1102	PROTOTYPE: $
619	CODE:	1103	CODE:
620	eio_set_max_idle (nthreads);	1104	eio_set_max_idle (nthreads);
621		1105
622	void	1106	void
		1107	idle_timeout (unsigned int seconds)
		1108	PROTOTYPE: $
		1109	CODE:
		1110	eio_set_idle_timeout (seconds);
		1111
		1112	void
623	max_outstanding (int maxreqs)	1113	max_outstanding (unsigned int maxreqs)
624	PROTOTYPE: $	1114	PROTOTYPE: $
625	CODE:	1115	CODE:
626	max_outstanding = maxreqs;	1116	max_outstanding = maxreqs;
627		1117
628	void	1118	void
629	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1119	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
630	PROTOTYPE: $$$;$
631	PPCODE:	1120	PPCODE:
632	{	1121	{
633	dREQ;	1122	dREQ;
634		1123
		1124	req->type = EIO_WD_OPEN;
		1125	req_set_path1 (req, pathname);
		1126
		1127	REQ_SEND;
		1128	}
		1129
		1130	void
		1131	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1132	PPCODE:
		1133	{
		1134	dREQ;
		1135
635	req->type = EIO_OPEN;	1136	req->type = EIO_OPEN;
636	req->sv1 = newSVsv (pathname);	1137	req_set_path1 (req, pathname);
637	req->ptr1 = SvPVbyte_nolen (req->sv1);
638	req->int1 = flags;	1138	req->int1 = flags;
639	req->int2 = mode;	1139	req->int2 = mode;
640		1140
641	REQ_SEND;	1141	REQ_SEND;
642	}	1142	}
643		1143
644	void	1144	void
645	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1145	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
646	PROTOTYPE: $;$
647	ALIAS:	1146	ALIAS:
648	aio_fsync = EIO_FSYNC	1147	aio_fsync = EIO_FSYNC
649	aio_fdatasync = EIO_FDATASYNC	1148	aio_fdatasync = EIO_FDATASYNC
		1149	aio_syncfs = EIO_SYNCFS
650	PPCODE:	1150	PPCODE:
651	{	1151	{
652	int fd = s_fileno_croak (fh, 0);	1152	int fd = s_fileno_croak (fh, 0);
653	dREQ;	1153	dREQ;
654		1154
655	req->type = ix;	1155	req->type = ix;
656	req->sv1 = newSVsv (fh);	1156	req->sv1 = newSVsv (fh);
657	req->int1 = fd;	1157	req->int1 = fd;
658		1158
659	REQ_SEND (req);	1159	REQ_SEND;
660	}	1160	}
661		1161
662	void	1162	void
663	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1163	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
664	PROTOTYPE: $$$$;$
665	PPCODE:	1164	PPCODE:
666	{	1165	{
667	int fd = s_fileno_croak (fh, 0);	1166	int fd = s_fileno_croak (fh, 0);
668	dREQ;	1167	dREQ;
669		1168
670	req->type = EIO_SYNC_FILE_RANGE;	1169	req->type = EIO_SYNC_FILE_RANGE;
671	req->sv1 = newSVsv (fh);	1170	req->sv1 = newSVsv (fh);
672	req->int1 = fd;	1171	req->int1 = fd;
673	req->offs = offset;	1172	req->offs = offset;
674	req->size = nbytes;	1173	req->size = nbytes;
675	req->int2 = flags;	1174	req->int2 = flags;
676		1175
677	REQ_SEND (req);	1176	REQ_SEND;
678	}	1177	}
679		1178
680	void	1179	void
681	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1180	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
682	PROTOTYPE: $;$
683	PPCODE:	1181	PPCODE:
684	{	1182	{
685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686	int fd = s_fileno_croak (fh, 0);	1183	int fd = s_fileno_croak (fh, 0);
687	dREQ;	1184	dREQ;
688		1185
689	if (close_pipe < 0)	1186	req->type = EIO_FALLOCATE;
		1187	req->sv1 = newSVsv (fh);
		1188	req->int1 = fd;
		1189	req->int2 = mode;
		1190	req->offs = offset;
		1191	req->size = len;
		1192
		1193	REQ_SEND;
		1194	}
		1195
		1196	void
		1197	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1198	PPCODE:
		1199	{
		1200	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1201	int fd = s_fileno_croak (fh, 0);
		1202	dREQ;
		1203
		1204	if (expect_false (close_fd < 0))
690	{	1205	{
691	int pipefd [2];	1206	int pipefd [2];
692		1207
		1208	if (
		1209	#ifdef _WIN32
		1210	_pipe (pipefd, 1, _O_BINARY) < 0
		1211	#else
693	if (pipe (pipefd) < 0	1212	pipe (pipefd) < 0
694	|| close (pipefd [1]) < 0
695	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1213	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1214	#endif
		1215	|| close (pipefd [1]) < 0
		1216	)
696	abort (); /*D*/	1217	abort (); /*D*/
697		1218
698	close_pipe = pipefd [0];	1219	close_fd = pipefd [0];
699	}	1220	}
700		1221
701	req->type = EIO_DUP2;	1222	req->type = EIO_DUP2;
702	req->int1 = close_pipe;	1223	req->int1 = close_fd;
703	req->sv2 = newSVsv (fh);	1224	req->sv2 = newSVsv (fh);
704	req->int2 = fd;	1225	req->int2 = fd;
705		1226
706	REQ_SEND (req);	1227	REQ_SEND;
707	}	1228	}
708		1229
709	void	1230	void
		1231	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1232	PPCODE:
		1233	{
		1234	int fd = s_fileno_croak (fh, 0);
		1235	dREQ;
		1236
		1237	req->type = EIO_SEEK;
		1238	req->sv1 = newSVsv (fh);
		1239	req->int1 = fd;
		1240	req->offs = SvVAL64 (offset);
		1241	req->int2 = whence;
		1242
		1243	REQ_SEND;
		1244	}
		1245
		1246	void
710	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1247	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
711	ALIAS:	1248	ALIAS:
712	aio_read = EIO_READ	1249	aio_read = EIO_READ
713	aio_write = EIO_WRITE	1250	aio_write = EIO_WRITE
714	PROTOTYPE: $$$$$;$
715	PPCODE:	1251	PPCODE:
716	{	1252	{
717	STRLEN svlen;	1253	STRLEN svlen;
718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1254	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719	char *svptr = SvPVbyte (data, svlen);	1255	char *svptr = SvPVbyte (data, svlen);
…		…
732	len = svlen - dataoffset;	1268	len = svlen - dataoffset;
733	}	1269	}
734	else	1270	else
735	{	1271	{
736	/* read: check type and grow scalar as necessary */	1272	/* read: check type and grow scalar as necessary */
737	SvUPGRADE (data, SVt_PV);	1273	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
738	svptr = SvGROW (data, len + dataoffset + 1);	1274	svptr = sv_grow (data, len + dataoffset + 1);
		1275	else if (SvCUR (data) < len + dataoffset)
		1276	croak ("length + dataoffset outside of scalar, and cannot grow");
739	}	1277	}
740		1278
741	{	1279	{
742	dREQ;	1280	dREQ;
743		1281
…		…
759	REQ_SEND;	1297	REQ_SEND;
760	}	1298	}
761	}	1299	}
762		1300
763	void	1301	void
764	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1302	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
765	PROTOTYPE: $$;$	1303	ALIAS:
		1304	aio_readlink = EIO_READLINK
		1305	aio_realpath = EIO_REALPATH
766	PPCODE:	1306	PPCODE:
767	{	1307	{
768	SV *data;
769	dREQ;	1308	dREQ;
770		1309
771	req->type = EIO_READLINK;	1310	req->type = ix;
772	req->sv1 = newSVsv (path);	1311	req_set_path1 (req, pathname);
773	req->ptr1 = SvPVbyte_nolen (req->sv1);
774		1312
775	REQ_SEND;	1313	REQ_SEND;
776	}	1314	}
777		1315
778	void	1316	void
779	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1317	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
780	PROTOTYPE: $$$$;$
781	PPCODE:	1318	PPCODE:
782	{	1319	{
783	int ifd = s_fileno_croak (in_fh , 0);	1320	int ifd = s_fileno_croak (in_fh , 0);
784	int ofd = s_fileno_croak (out_fh, 1);	1321	int ofd = s_fileno_croak (out_fh, 1);
785	dREQ;	1322	dREQ;
786		1323
787	req->type = EIO_SENDFILE;	1324	req->type = EIO_SENDFILE;
788	req->sv1 = newSVsv (out_fh);	1325	req->sv1 = newSVsv (out_fh);
789	req->int1 = ofd;	1326	req->int1 = ofd;
…		…
794		1331
795	REQ_SEND;	1332	REQ_SEND;
796	}	1333	}
797		1334
798	void	1335	void
799	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1336	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
800	PROTOTYPE: $$$;$
801	PPCODE:	1337	PPCODE:
802	{	1338	{
803	int fd = s_fileno_croak (fh, 0);	1339	int fd = s_fileno_croak (fh, 0);
804	dREQ;	1340	dREQ;
805		1341
806	req->type = EIO_READAHEAD;	1342	req->type = EIO_READAHEAD;
807	req->sv1 = newSVsv (fh);	1343	req->sv1 = newSVsv (fh);
808	req->int1 = fd;	1344	req->int1 = fd;
…		…
811		1347
812	REQ_SEND;	1348	REQ_SEND;
813	}	1349	}
814		1350
815	void	1351	void
816	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1352	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
817	ALIAS:	1353	ALIAS:
818	aio_stat = EIO_STAT	1354	aio_stat = EIO_STAT
819	aio_lstat = EIO_LSTAT	1355	aio_lstat = EIO_LSTAT
		1356	aio_statvfs = EIO_STATVFS
820	PPCODE:	1357	PPCODE:
821	{	1358	{
822	dREQ;	1359	dREQ;
823		1360
824	req->sv1 = newSVsv (fh_or_path);	1361	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
825
826	if (SvPOK (req->sv1))
827	{
828	req->type = ix;
829	req->ptr1 = SvPVbyte_nolen (req->sv1);
830	}
831	else
832	{
833	req->type = EIO_FSTAT;
834	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835	}
836		1362
837	REQ_SEND;	1363	REQ_SEND;
838	}	1364	}
839		1365
		1366	UV
		1367	major (UV dev)
		1368	ALIAS:
		1369	minor = 1
		1370	CODE:
		1371	RETVAL = ix ? major (dev) : minor (dev);
		1372	OUTPUT:
		1373	RETVAL
		1374
		1375	UV
		1376	makedev (UV maj, UV min)
		1377	CODE:
		1378	RETVAL = makedev (maj, min);
		1379	OUTPUT:
		1380	RETVAL
		1381
840	void	1382	void
841	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1383	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
842	PPCODE:	1384	PPCODE:
843	{	1385	{
844	dREQ;	1386	dREQ;
845		1387
846	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1388	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
847	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1389	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
848	req->sv1 = newSVsv (fh_or_path);	1390	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
849
850	if (SvPOK (req->sv1))
851	{
852	req->type = EIO_UTIME;
853	req->ptr1 = SvPVbyte_nolen (req->sv1);
854	}
855	else
856	{
857	req->type = EIO_FUTIME;
858	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
859	}
860		1391
861	REQ_SEND;	1392	REQ_SEND;
862	}	1393	}
863		1394
864	void	1395	void
865	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1396	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
866	PPCODE:	1397	PPCODE:
867	{	1398	{
868	dREQ;	1399	dREQ;
869		1400
870	req->sv1 = newSVsv (fh_or_path);
871	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1401	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
872		1402	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
873	if (SvPOK (req->sv1))
874	{
875	req->type = EIO_TRUNCATE;
876	req->ptr1 = SvPVbyte_nolen (req->sv1);
877	}
878	else
879	{
880	req->type = EIO_FTRUNCATE;
881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
882	}
883		1403
884	REQ_SEND;	1404	REQ_SEND;
885	}	1405	}
886		1406
887	void	1407	void
888	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1408	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
889	ALIAS:
890	aio_chmod = EIO_CHMOD
891	aio_mkdir = EIO_MKDIR
892	PPCODE:	1409	PPCODE:
893	{	1410	{
894	dREQ;	1411	dREQ;
895		1412
896	req->int2 = mode;	1413	req->int2 = mode;
897	req->sv1 = newSVsv (fh_or_path);	1414	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
898
899	if (SvPOK (req->sv1))
900	{
901	req->type = ix;
902	req->ptr1 = SvPVbyte_nolen (req->sv1);
903	}
904	else
905	{
906	req->type = EIO_FCHMOD;
907	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
908	}
909		1415
910	REQ_SEND;	1416	REQ_SEND;
911	}	1417	}
912		1418
913	void	1419	void
914	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1420	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
915	PPCODE:	1421	PPCODE:
916	{	1422	{
917	dREQ;	1423	dREQ;
918		1424
919	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1425	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
920	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1426	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
921	req->sv1 = newSVsv (fh_or_path);	1427	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
922
923	if (SvPOK (req->sv1))
924	{
925	req->type = EIO_CHOWN;
926	req->ptr1 = SvPVbyte_nolen (req->sv1);
927	}
928	else
929	{
930	req->type = EIO_FCHOWN;
931	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
932	}
933		1428
934	REQ_SEND;	1429	REQ_SEND;
935	}	1430	}
936		1431
937	void	1432	void
938	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1433	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
939	PPCODE:	1434	PPCODE:
940	{	1435	{
941	dREQ;	1436	dREQ;
942		1437
943	req->type = EIO_READDIR;	1438	req->type = EIO_READDIR;
944	req->sv1 = newSVsv (pathname);
945	req->ptr1 = SvPVbyte_nolen (req->sv1);
946	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1439	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
947		1440
948	if (flags & EIO_READDIR_DENTS)	1441	if (flags & EIO_READDIR_DENTS)
949	req->int1 |= EIO_READDIR_CUSTOM2;	1442	req->int1 |= EIO_READDIR_CUSTOM2;
950		1443
		1444	req_set_path1 (req, pathname);
		1445
951	REQ_SEND;	1446	REQ_SEND;
952	}	1447	}
953		1448
954	void	1449	void
		1450	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1451	PPCODE:
		1452	{
		1453	dREQ;
		1454
		1455	req->type = EIO_MKDIR;
		1456	req->int2 = mode;
		1457	req_set_path1 (req, pathname);
		1458
		1459	REQ_SEND;
		1460	}
		1461
		1462	void
955	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1463	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
956	ALIAS:	1464	ALIAS:
957	aio_unlink = EIO_UNLINK	1465	aio_unlink = EIO_UNLINK
958	aio_rmdir = EIO_RMDIR	1466	aio_rmdir = EIO_RMDIR
959	aio_readdir = EIO_READDIR	1467	aio_readdir = EIO_READDIR
960	PPCODE:	1468	PPCODE:
961	{	1469	{
962	dREQ;	1470	dREQ;
963		1471
964	req->type = ix;	1472	req->type = ix;
965	req->sv1 = newSVsv (pathname);	1473	req_set_path1 (req, pathname);
966	req->ptr1 = SvPVbyte_nolen (req->sv1);
967		1474
968	REQ_SEND;	1475	REQ_SEND;
969	}	1476	}
970		1477
971	void	1478	void
972	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1479	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
973	ALIAS:	1480	ALIAS:
974	aio_link = EIO_LINK	1481	aio_link = EIO_LINK
975	aio_symlink = EIO_SYMLINK	1482	aio_symlink = EIO_SYMLINK
976	aio_rename = EIO_RENAME	1483	aio_rename = EIO_RENAME
977	PPCODE:	1484	PPCODE:
978	{	1485	{
		1486	eio_wd wd2 = 0;
979	dREQ;	1487	dREQ;
980		1488
981	req->type = ix;	1489	req->type = ix;
982	req->sv1 = newSVsv (oldpath);	1490	req_set_path1 (req, oldpath);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);	1491	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
984	req->sv2 = newSVsv (newpath);	1492	req->int3 = (long)wd2;
985	req->ptr2 = SvPVbyte_nolen (req->sv2);
986		1493
987	REQ_SEND;	1494	REQ_SEND;
988	}	1495	}
989		1496
990	void	1497	void
991	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1498	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
992	PPCODE:	1499	PPCODE:
993	{	1500	{
994	dREQ;	1501	dREQ;
995		1502
996	req->type = EIO_MKNOD;	1503	req->type = EIO_MKNOD;
997	req->sv1 = newSVsv (pathname);
998	req->ptr1 = SvPVbyte_nolen (req->sv1);
999	req->int2 = (mode_t)mode;	1504	req->int2 = (mode_t)mode;
1000	req->offs = dev;	1505	req->offs = dev;
		1506	req_set_path1 (req, pathname);
1001		1507
1002	REQ_SEND;	1508	REQ_SEND;
1003	}	1509	}
1004		1510
1005	void	1511	void
1006	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1512	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1007	ALIAS:	1513	ALIAS:
1008	aio_mtouch = EIO_MTOUCH	1514	aio_mtouch = EIO_MTOUCH
1009	aio_msync = EIO_MSYNC	1515	aio_msync = EIO_MSYNC
1010	PROTOTYPE: $$$$;$
1011	PPCODE:	1516	PPCODE:
1012	{	1517	{
1013	STRLEN svlen;	1518	STRLEN svlen;
		1519	char *svptr = SvPVbyte (data, svlen);
1014	UV len = SvUV (length);	1520	UV len = SvUV (length);
1015	char *svptr = SvPVbyte (data, svlen);
1016		1521
1017	if (offset < 0)	1522	if (offset < 0)
1018	offset += svlen;	1523	offset += svlen;
1019		1524
1020	if (offset < 0 || offset > svlen)	1525	if (offset < 0 || offset > svlen)
…		…
1025		1530
1026	{	1531	{
1027	dREQ;	1532	dREQ;
1028		1533
1029	req->type = ix;	1534	req->type = ix;
1030	req->size = len;
1031	req->sv2 = SvREFCNT_inc (data);	1535	req->sv2 = SvREFCNT_inc (data);
1032	req->ptr2 = (char *)svptr + offset;	1536	req->ptr2 = (char *)svptr + offset;
		1537	req->size = len;
1033	req->int1 = flags;	1538	req->int1 = flags;
1034		1539
1035	REQ_SEND;	1540	REQ_SEND;
1036	}	1541	}
1037	}	1542	}
1038		1543
1039	void	1544	void
		1545	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1546	PPCODE:
		1547	{
		1548	STRLEN svlen;
		1549	char *svptr = SvPVbyte (data, svlen);
		1550	UV len = SvUV (length);
		1551
		1552	if (offset < 0)
		1553	offset += svlen;
		1554
		1555	if (offset < 0 || offset > svlen)
		1556	croak ("offset outside of scalar");
		1557
		1558	if (!SvOK (length) || len + offset > svlen)
		1559	len = svlen - offset;
		1560
		1561	{
		1562	dREQ;
		1563
		1564	req->type = EIO_MLOCK;
		1565	req->sv2 = SvREFCNT_inc (data);
		1566	req->ptr2 = (char *)svptr + offset;
		1567	req->size = len;
		1568
		1569	REQ_SEND;
		1570	}
		1571	}
		1572
		1573	void
		1574	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1575	PPCODE:
		1576	{
		1577	dREQ;
		1578
		1579	req->type = EIO_MLOCKALL;
		1580	req->int1 = flags;
		1581
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1587	PPCODE:
		1588	{
		1589	int fd = s_fileno_croak (fh, 0);
		1590	dREQ;
		1591
		1592	req->type = EIO_CUSTOM;
		1593	req->sv1 = newSVsv (fh);
		1594	req->int1 = fd;
		1595
		1596	req->feed = fiemap;
		1597	#if HAVE_FIEMAP
		1598	/* keep our fingers crossed that the next two types are 64 bit */
		1599	req->offs = start;
		1600	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1601	req->int2 = flags;
		1602	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1603	#endif
		1604
		1605	REQ_SEND;
		1606	}
		1607
		1608	void
1040	aio_busy (double delay, SV *callback=&PL_sv_undef)	1609	aio_busy (double delay, SV *callback = &PL_sv_undef)
1041	PPCODE:	1610	PPCODE:
1042	{	1611	{
1043	dREQ;	1612	dREQ;
1044		1613
1045	req->type = EIO_BUSY;	1614	req->type = EIO_BUSY;
…		…
1047		1616
1048	REQ_SEND;	1617	REQ_SEND;
1049	}	1618	}
1050		1619
1051	void	1620	void
1052	aio_group (SV *callback=&PL_sv_undef)	1621	aio_group (SV *callback = &PL_sv_undef)
1053	PROTOTYPE: ;$
1054	PPCODE:	1622	PPCODE:
1055	{	1623	{
1056	dREQ;	1624	dREQ;
1057		1625
1058	req->type = EIO_GROUP;	1626	req->type = EIO_GROUP;
1059		1627
		1628	PUTBACK;
1060	req_submit (req);	1629	req_submit (req);
		1630	SPAGAIN;
		1631
1061	XPUSHs (req_sv (req, aio_grp_stash));	1632	XPUSHs (req_sv (req, aio_grp_stash));
1062	}	1633	}
1063		1634
1064	void	1635	void
1065	aio_nop (SV *callback=&PL_sv_undef)	1636	aio_nop (SV *callback = &PL_sv_undef)
1066	ALIAS:	1637	ALIAS:
1067	aio_nop = EIO_NOP	1638	aio_nop = EIO_NOP
1068	aio_sync = EIO_SYNC	1639	aio_sync = EIO_SYNC
1069	PPCODE:	1640	PPCODE:
1070	{	1641	{
…		…
1074		1645
1075	REQ_SEND;	1646	REQ_SEND;
1076	}	1647	}
1077		1648
1078	int	1649	int
1079	aioreq_pri (int pri = 0)	1650	aioreq_pri (int pri = NO_INIT)
1080	PROTOTYPE: ;$
1081	CODE:	1651	CODE:
1082	RETVAL = next_pri;	1652	RETVAL = next_pri;
1083	if (items > 0)	1653	if (items > 0)
1084	{	1654	{
1085	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1655	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1097	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1667	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098	next_pri = nice;	1668	next_pri = nice;
1099		1669
1100	void	1670	void
1101	flush ()	1671	flush ()
1102	PROTOTYPE:
1103	CODE:	1672	CODE:
1104	while (eio_nreqs ())	1673	while (eio_nreqs ())
1105	{	1674	{
1106	poll_wait ();	1675	poll_wait ();
1107	poll_cb ();	1676	poll_cb ();
1108	}	1677	}
1109		1678
1110	int	1679	int
1111	poll()	1680	poll ()
1112	PROTOTYPE:
1113	CODE:	1681	CODE:
1114	poll_wait ();	1682	poll_wait ();
1115	RETVAL = poll_cb ();	1683	RETVAL = poll_cb ();
1116	OUTPUT:	1684	OUTPUT:
1117	RETVAL	1685	RETVAL
1118		1686
1119	int	1687	int
1120	poll_fileno()	1688	poll_fileno ()
1121	PROTOTYPE:
1122	CODE:	1689	CODE:
1123	RETVAL = s_epipe_fd (&respipe);	1690	RETVAL = s_epipe_fd (&respipe);
1124	OUTPUT:	1691	OUTPUT:
1125	RETVAL	1692	RETVAL
1126		1693
1127	int	1694	int
1128	poll_cb(...)	1695	poll_cb (...)
1129	PROTOTYPE:	1696	PROTOTYPE:
1130	CODE:	1697	CODE:
1131	RETVAL = poll_cb ();	1698	RETVAL = poll_cb ();
1132	OUTPUT:	1699	OUTPUT:
1133	RETVAL	1700	RETVAL
1134		1701
1135	void	1702	void
1136	poll_wait()	1703	poll_wait ()
1137	PROTOTYPE:
1138	CODE:	1704	CODE:
1139	poll_wait ();	1705	poll_wait ();
1140		1706
1141	int	1707	int
1142	nreqs()	1708	nreqs ()
1143	PROTOTYPE:
1144	CODE:	1709	CODE:
1145	RETVAL = eio_nreqs ();	1710	RETVAL = eio_nreqs ();
1146	OUTPUT:	1711	OUTPUT:
1147	RETVAL	1712	RETVAL
1148		1713
1149	int	1714	int
1150	nready()	1715	nready ()
1151	PROTOTYPE:
1152	CODE:	1716	CODE:
1153	RETVAL = eio_nready ();	1717	RETVAL = eio_nready ();
1154	OUTPUT:	1718	OUTPUT:
1155	RETVAL	1719	RETVAL
1156		1720
1157	int	1721	int
1158	npending()	1722	npending ()
1159	PROTOTYPE:
1160	CODE:	1723	CODE:
1161	RETVAL = eio_npending ();	1724	RETVAL = eio_npending ();
1162	OUTPUT:	1725	OUTPUT:
1163	RETVAL	1726	RETVAL
1164		1727
1165	int	1728	int
1166	nthreads()	1729	nthreads ()
1167	PROTOTYPE:
1168	CODE:	1730	CODE:
1169	RETVAL = eio_nthreads ();	1731	RETVAL = eio_nthreads ();
1170	OUTPUT:	1732	OUTPUT:
1171	RETVAL	1733	RETVAL
1172		1734
1173	int	1735	int
1174	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1736	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175	PROTOTYPE: $$$$
1176	CODE:	1737	CODE:
1177	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178	RETVAL = posix_fadvise (fh, offset, length, advice);	1738	RETVAL = posix_fadvise (fh, offset, length, advice);
1179	#else
1180	RETVAL = errno = ENOSYS;
1181	#endif
1182	OUTPUT:	1739	OUTPUT:
1183	RETVAL	1740	RETVAL
1184		1741
1185	ssize_t	1742	IV
1186	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1743	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187	PROTOTYPE: $$$$
1188	CODE:	1744	CODE:
1189	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1745	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190	OUTPUT:	1746	OUTPUT:
1191	RETVAL	1747	RETVAL
1192		1748
		1749	void
		1750	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		1751	PPCODE:
		1752	sv_unmagic (scalar, MMAP_MAGIC);
		1753	{
		1754	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1755	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1756	if (addr == (void *)-1)
		1757	XSRETURN_NO;
		1758
		1759	sv_force_normal (scalar);
		1760
		1761	/* we store the length in mg_obj, as namlen is I32 :/ */
		1762	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1763	->mg_obj = (SV *)length;
		1764
		1765	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1766
		1767	if (!(prot & PROT_WRITE))
		1768	SvREADONLY_on (scalar);
		1769
		1770	if (SvLEN (scalar))
		1771	Safefree (SvPVX (scalar));
		1772
		1773	SvPVX (scalar) = (char *)addr;
		1774	SvCUR_set (scalar, length);
		1775	SvLEN_set (scalar, 0);
		1776	SvPOK_only (scalar);
		1777
		1778	XSRETURN_YES;
		1779	}
		1780
		1781	void
		1782	munmap (SV *scalar)
		1783	CODE:
		1784	sv_unmagic (scalar, MMAP_MAGIC);
		1785
		1786	int
		1787	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1788	ALIAS:
		1789	mprotect = 1
		1790	CODE:
		1791	{
		1792	STRLEN svlen;
		1793	void *addr = SvPVbyte (scalar, svlen);
		1794	STRLEN len = SvUV (length);
		1795
		1796	if (offset < 0)
		1797	offset += svlen;
		1798
		1799	if (offset < 0 || offset > svlen)
		1800	croak ("offset outside of scalar");
		1801
		1802	if (!SvOK (length) || len + offset > svlen)
		1803	len = svlen - offset;
		1804
		1805	addr = (void *)(((intptr_t)addr) + offset);
		1806	eio_page_align (&addr, &len);
		1807
		1808	switch (ix)
		1809	{
		1810	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1811	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1812	}
		1813	}
		1814	OUTPUT:
		1815	RETVAL
		1816
		1817	int
		1818	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1819	CODE:
		1820	{
		1821	STRLEN svlen;
		1822	void *addr = SvPVbyte (scalar, svlen);
		1823	size_t len = SvUV (length);
		1824
		1825	if (offset < 0)
		1826	offset += svlen;
		1827
		1828	if (offset < 0 || offset > svlen)
		1829	croak ("offset outside of scalar");
		1830
		1831	if (!SvOK (length) || len + offset > svlen)
		1832	len = svlen - offset;
		1833
		1834	addr = (void *)(((intptr_t)addr) + offset);
		1835	eio_page_align (&addr, &len);
		1836	#if _POSIX_MEMLOCK_RANGE
		1837	RETVAL = munlock (addr, len);
		1838	#else
		1839	RETVAL = EIO_ENOSYS ();
		1840	#endif
		1841	}
		1842	OUTPUT:
		1843	RETVAL
		1844
		1845	int
		1846	munlockall ()
		1847	CODE:
		1848	#if _POSIX_MEMLOCK
		1849	munlockall ();
		1850	#else
		1851	RETVAL = EIO_ENOSYS ();
		1852	#endif
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int
		1857	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1858	CODE:
		1859	{
		1860	#if HAVE_LINUX_SPLICE
		1861	loff_t off_in_, off_out_;
		1862	RETVAL = splice (
		1863	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1864	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1865	length, flags
		1866	);
		1867	#else
		1868	RETVAL = EIO_ENOSYS ();
		1869	#endif
		1870	}
		1871	OUTPUT:
		1872	RETVAL
		1873
		1874	int
		1875	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1876	CODE:
		1877	#if HAVE_LINUX_SPLICE
		1878	RETVAL = tee (rfh, wfh, length, flags);
		1879	#else
		1880	RETVAL = EIO_ENOSYS ();
		1881	#endif
		1882	OUTPUT:
		1883	RETVAL
		1884
		1885	int
		1886	pipesize (aio_rfd rfh, int new_size = -1)
		1887	PROTOTYPE: $;$
		1888	CODE:
		1889	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1890	if (new_size >= 0)
		1891	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1892	else
		1893	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1894	#else
		1895	errno = ENOSYS;
		1896	RETVAL = -1;
		1897	#endif
		1898	OUTPUT:
		1899	RETVAL
		1900
		1901	void
		1902	pipe2 (int flags = 0)
		1903	PROTOTYPE: ;$
		1904	PPCODE:
		1905	{
		1906	int fd[2];
		1907	int res;
		1908
		1909	if (flags)
		1910	#if HAVE_PIPE2
		1911	res = pipe2 (fd, flags);
		1912	#else
		1913	res = (errno = ENOSYS, -1);
		1914	#endif
		1915	else
		1916	res = pipe (fd);
		1917
		1918	if (!res)
		1919	{
		1920	EXTEND (SP, 2);
		1921	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1922	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1923	}
		1924	}
		1925
1193	void _on_next_submit (SV *cb)	1926	void _on_next_submit (SV *cb)
1194	CODE:	1927	CODE:
1195	SvREFCNT_dec (on_next_submit);	1928	SvREFCNT_dec (on_next_submit);
1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1929	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197		1930
1198	PROTOTYPES: DISABLE	1931	PROTOTYPES: DISABLE
1199		1932
		1933	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1934
		1935	BOOT:
		1936	{
		1937	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1938	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1939	}
		1940
		1941	void
		1942	DESTROY (SV *self)
		1943	CODE:
		1944	{
		1945	aio_wd wd = SvAIO_WD (self);
		1946	#if HAVE_AT
		1947	{
		1948	SV *callback = &PL_sv_undef;
		1949	dREQ; /* clobbers next_pri :/ */
		1950	next_pri = req->pri; /* restore next_pri */
		1951	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1952	req->type = EIO_WD_CLOSE;
		1953	req->wd = wd;
		1954	REQ_SEND;
		1955	}
		1956	#else
		1957	eio_wd_close_sync (wd);
		1958	#endif
		1959	}
		1960
1200	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1961	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1201		1962
1202	void	1963	void
1203	cancel (aio_req_ornot req)	1964	cancel (aio_req_ornot req)
1204	CODE:	1965	CODE:
1205	eio_cancel (req);	1966	eio_cancel (req);
1206		1967
1207	void	1968	void
1208	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1969	cb (aio_req_ornot req, SV *callback = NO_INIT)
1209	PPCODE:	1970	PPCODE:
1210	{	1971	{
1211	if (GIMME_V != G_VOID)	1972	if (GIMME_V != G_VOID)
1212	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1973	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1213		1974
1214	if (items > 1)	1975	if (items > 1)
1215	{	1976	{
1216	SV *cb_cv =get_cb (callback);	1977	SV *cb_cv = get_cb (callback);
1217		1978
1218	SvREFCNT_dec (req->callback);	1979	SvREFCNT_dec (req->callback);
1219	req->callback = SvREFCNT_inc (cb_cv);	1980	req->callback = SvREFCNT_inc (cb_cv);
1220	}	1981	}
1221	}	1982	}
…		…
1278	limit (aio_req grp, int limit)	2039	limit (aio_req grp, int limit)
1279	CODE:	2040	CODE:
1280	eio_grp_limit (grp, limit);	2041	eio_grp_limit (grp, limit);
1281		2042
1282	void	2043	void
1283	feed (aio_req grp, SV *callback=&PL_sv_undef)	2044	feed (aio_req grp, SV *callback = &PL_sv_undef)
1284	CODE:	2045	CODE:
1285	{	2046	{
1286	SvREFCNT_dec (grp->sv2);	2047	SvREFCNT_dec (grp->sv2);
1287	grp->sv2 = newSVsv (callback);	2048	grp->sv2 = newSVsv (callback);
1288	grp->feed = aio_grp_feed;	2049	grp->feed = aio_grp_feed;

Diff Legend

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