ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.186 by root, Thu Jul 14 22:36:17 2011 UTC vs.
Revision 1.240 by root, Tue Feb 23 19:42:59 2016 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		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
24	/* perl namespace pollution */	37	/* perl namespace pollution */
25	#undef VERSION	38	#undef VERSION
26
27	#ifdef _WIN32
28
29	# define EIO_STRUCT_DIRENT Direntry_t
30	# undef malloc
31	# undef free
32
33	// perl overrides all those nice win32 functions
34	# undef open
35	# undef read
36	# undef write
37	# undef send
38	# undef recv
39	# undef stat
40	# undef fstat
41	# define lstat stat
42	# undef truncate
43	# undef ftruncate
44	# undef open
45	# undef close
46	# undef unlink
47	# undef rmdir
48	# undef rename
49	# undef lseek
50
51	# define opendir(fd) (errno = ENOSYS, 0)
52	# define readdir(fd) (errno = ENOSYS, -1)
53	# define closedir(fd) (errno = ENOSYS, -1)
54
55	#else
56
57	# include <sys/time.h>
58	# include <sys/select.h>
59	# include <unistd.h>
60	# include <utime.h>
61	# include <signal.h>
62	# define EIO_STRUCT_DIRENT struct dirent
63
64	#endif
65		39
66	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
67	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
68	#undef readdir	42	#undef readdir
69	#undef opendir	43	#undef opendir
70	#undef closedir	44	#undef closedir
71		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
72	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
73		82
74	/* use NV for 32 bit perls as it allows larger offsets */
75	#if IVSIZE >= 8
76	# define VAL64 IV
77	# define SvVAL64 SvIV
78	# define newSVval64 newSViv
79	#else	83	#else
80	# define VAL64 NV	84
81	# define SvVAL64 SvNV	85	#include <sys/time.h>
82	# 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
83	#endif	93	#endif
84		94
85	/*****************************************************************************/	95	/*****************************************************************************/
86		96
87	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
97		107
98	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
99	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
100	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
101		111
102	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
103		113
104	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
105	SV *callback; \	115	SV *callback; \
106	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
107	STRLEN stroffset; \	118	STRLEN stroffset; \
108	SV *self;	119	SV *self;
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
112	#include "libeio/config.h"	123	#include "libeio/config.h"
113	#include "libeio/eio.h"	124	#include "libeio/eio.h"
114		125
115	/* Linux/others */	126	static int req_invoke (eio_req *req);
116	#ifndef O_ASYNC	127	#define EIO_FINISH(req) req_invoke (req)
117	# define O_ASYNC 0	128	static void req_destroy (eio_req *grp);
118	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
119	#ifndef O_DIRECT
120	# define O_DIRECT 0
121	#endif
122	#ifndef O_NOATIME
123	# define O_NOATIME 0
124	#endif
125		130
126	/* POSIX */	131	#include "libeio/eio.c"
127	#ifndef O_CLOEXEC
128	# define O_CLOEXEC 0
129	#endif
130	#ifndef O_NOFOLLOW
131	# define O_NOFOLLOW 0
132	#endif
133	#ifndef O_NOCTTY
134	# define O_NOCTTY 0
135	#endif
136	#ifndef O_NONBLOCK
137	# define O_NONBLOCK 0
138	#endif
139	#ifndef O_EXEC
140	# define O_EXEC 0
141	#endif
142	#ifndef O_SEARCH
143	# define O_SEARCH 0
144	#endif
145	#ifndef O_DIRECTORY
146	# define O_DIRECTORY 0
147	#endif
148	#ifndef O_DSYNC
149	# define O_DSYNC 0
150	#endif
151	#ifndef O_RSYNC
152	# define O_RSYNC 0
153	#endif
154	#ifndef O_SYNC
155	# define O_SYNC 0
156	#endif
157	#ifndef O_TTY_INIT
158	# define O_TTY_INIT 0
159	#endif
160
161	#ifndef POSIX_FADV_NORMAL
162	# define POSIX_FADV_NORMAL 0
163	#endif
164	#ifndef POSIX_FADV_SEQUENTIAL
165	# define POSIX_FADV_SEQUENTIAL 0
166	#endif
167	#ifndef POSIX_FADV_RANDOM
168	# define POSIX_FADV_RANDOM 0
169	#endif
170	#ifndef POSIX_FADV_NOREUSE
171	# define POSIX_FADV_NOREUSE 0
172	#endif
173	#ifndef POSIX_FADV_WILLNEED
174	# define POSIX_FADV_WILLNEED 0
175	#endif
176	#ifndef POSIX_FADV_DONTNEED
177	# define POSIX_FADV_DONTNEED 0
178	#endif
179		132
180	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
181	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
182	#endif	135	#endif
183		136
184	#ifndef POSIX_MADV_NORMAL
185	# define POSIX_MADV_NORMAL 0
186	#endif
187	#ifndef POSIX_MADV_SEQUENTIAL
188	# define POSIX_MADV_SEQUENTIAL 0
189	#endif
190	#ifndef POSIX_MADV_RANDOM
191	# define POSIX_MADV_RANDOM 0
192	#endif
193	#ifndef POSIX_MADV_WILLNEED
194	# define POSIX_MADV_WILLNEED 0
195	#endif
196	#ifndef POSIX_MADV_DONTNEED
197	# define POSIX_MADV_DONTNEED 0
198	#endif
199
200	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
201	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202	#endif
203
204	#ifndef PROT_NONE
205	# define PROT_NONE 0
206	#endif
207	#ifndef PROT_READ
208	# define PROT_READ 0
209	#endif
210	#ifndef PROT_WRITE
211	# define PROT_READ 0
212	#endif
213	#ifndef PROT_EXEC
214	# define PROT_EXEC 0
215	#endif
216
217	#ifndef ST_NODEV
218	# define ST_NODEV 0
219	#endif
220	#ifndef ST_NOEXEC
221	# define ST_NOEXEC 0
222	#endif
223	#ifndef ST_SYNCHRONOUS
224	# define ST_SYNCHRONOUS 0
225	#endif
226	#ifndef ST_MANDLOCK
227	# define ST_MANDLOCK 0
228	#endif
229	#ifndef ST_WRITE
230	# define ST_WRITE 0
231	#endif
232	#ifndef ST_APPEND
233	# define ST_APPEND 0
234	#endif
235	#ifndef ST_IMMUTABLE
236	# define ST_IMMUTABLE 0
237	#endif
238	#ifndef ST_NOATIME
239	# define ST_NOATIME 0
240	#endif
241	#ifndef ST_NODIRATIME
242	# define ST_NODIRATIME 0
243	#endif
244	#ifndef ST_RELATIME
245	# define ST_RELATIME 0
246	#endif
247
248	#ifndef S_IFIFO
249	# define S_IFIFO 0
250	#endif
251	#ifndef S_IFCHR
252	# define S_IFCHR 0
253	#endif
254	#ifndef S_IFBLK
255	# define S_IFBLK 0
256	#endif
257	#ifndef S_IFLNK
258	# define S_IFLNK 0
259	#endif
260	#ifndef S_IFREG
261	# define S_IFREG 0
262	#endif
263	#ifndef S_IFDIR
264	# define S_IFDIR 0
265	#endif
266	#ifndef S_IFWHT
267	# define S_IFWHT 0
268	#endif
269	#ifndef S_IFSOCK
270	# define S_IFSOCK 0
271	#endif	139	#endif
272		140
273	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
274	# ifdef MAP_ANON	142	# ifdef MAP_ANON
275	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
276	# else	144	# else
277	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
278	# endif	146	# endif
279	#endif	147	#endif
280	#ifndef MAP_HUGETLB	148
281	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
282	#endif	150	/* also provides const_iv_ and const_niv_ macros for them */
283	#ifndef MAP_LOCKED	151	#include "def0.h"
284	# define MAP_LOCKED 0
285	#endif
286	#ifndef MAP_NORESERVE
287	# define MAP_NORESERVE 0
288	#endif
289	#ifndef MAP_POPULATE
290	# define MAP_POPULATE 0
291	#endif
292	#ifndef MAP_NONBLOCK
293	# define MAP_NONBLOCK 0
294	#endif
295		152
296	#ifndef makedev	153	#ifndef makedev
297	# define makedev(maj,min) (((maj) << 8) | (min))	154	# define makedev(maj,min) (((maj) << 8) | (min))
298	#endif	155	#endif
299	#ifndef major	156	#ifndef major
…		…
301	#endif	158	#endif
302	#ifndef minor	159	#ifndef minor
303	# define minor(dev) ((dev) & 0xff)	160	# define minor(dev) ((dev) & 0xff)
304	#endif	161	#endif
305		162
306	#ifndef PAGESIZE	163	#if PAGESIZE <= 0
307	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
308	#endif	165	#endif
309		166
310	static int req_invoke (eio_req *req);	167	/*****************************************************************************/
311	#define EIO_FINISH(req) req_invoke (req)	168
312	static void req_destroy (eio_req *grp);	169	static void
313	#define EIO_DESTROY(req) req_destroy (req)	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	/*****************************************************************************/
314		266
315	enum {	267	enum {
316	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
317	};	269	};
318		270
319	#include "libeio/eio.c"
320
321	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
322	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
323		274
324	static SV *on_next_submit;	275	static SV *on_next_submit;
325	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
326	static int max_outstanding;	277	static int max_outstanding;
327		278
328	static s_epipe respipe;	279	static s_epipe respipe;
329		280
330	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
331	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
332		283
333	static void want_poll (void)	284	static void
		285	want_poll (void)
334	{	286	{
335	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
336	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
337	}	289	}
338		290
339	static void done_poll (void)	291	static void
		292	done_poll (void)
340	{	293	{
341	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
342	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
343	}	296	}
344		297
345	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
346	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
347	{	301	{
348	if (!req->self)	302	if (!req->self)
349	{	303	{
350	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
351	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
352	}	306	}
353		307
354	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
355	}	309	}
356		310
357	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)
358	{	319	{
359	MAGIC *mg;	320	MAGIC *mg;
360		321
361	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
362	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
363	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
364	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
365	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
366		328
367	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
368		330
369	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
370	}	332	}
371		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
372	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
373	{	372	{
374	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
375	{	374	{
376	dSP;	375	dSP;
377		376
…		…
385	FREETMPS;	384	FREETMPS;
386	LEAVE;	385	LEAVE;
387	}	386	}
388	}	387	}
389		388
		389	static void
390	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
391	{	391	{
392	eio_submit (req);	392	eio_submit (req);
393		393
394	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
395	{	395	{
…		…
402	PUTBACK;	402	PUTBACK;
403	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
404	}	404	}
405	}	405	}
406		406
		407	static int
407	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
408	{	409	{
409	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
410	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
411		412
412	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
…		…
433	SvREADONLY_on (sv_result);	434	SvREADONLY_on (sv_result);
434	}	435	}
435		436
436	switch (req->type)	437	switch (req->type)
437	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
438	case EIO_READDIR:	443	case EIO_READDIR:
439	{	444	{
440	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
441		446
442	if (req->result >= 0)	447	if (req->result >= 0)
…		…
495	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))));
496	}	501	}
497	break;	502	break;
498		503
499	case EIO_OPEN:	504	case EIO_OPEN:
500	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
501	/* convert fd to fh */
502	SV *fh = &PL_sv_undef;
503
504	if (req->result >= 0)
505	{
506	GV *gv = (GV *)sv_newmortal ();
507	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
508	char sym [64];
509	int symlen;
510
511	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
512	gv_init (gv, aio_stash, sym, symlen, 0);
513
514	symlen = snprintf (
515	sym,
516	sizeof (sym),
517	"%s&=%d",
518	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
519	(int)req->result
520	);
521
522	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
523	fh = (SV *)gv;
524	}
525
526	PUSHs (fh);
527	}
528	break;	506	break;
529		507
530	case EIO_STATVFS:	508	case EIO_STATVFS:
531	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
532	{	510	{
533	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
534		512
		513	#ifndef _WIN32
535	if (req->result >= 0)	514	if (req->result >= 0)
536	{	515	{
537	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
538	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
539		523
540	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
541		525
542	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
543	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
545	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
546	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
547	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
548	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
549	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
550	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
551	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
552	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
553	}	537	}
		538	#endif
554		539
555	PUSHs (rv);	540	PUSHs (rv);
556	}	541	}
557		542
558	break;	543	break;
…		…
582	break;	567	break;
583		568
584	case EIO_STAT:	569	case EIO_STAT:
585	case EIO_LSTAT:	570	case EIO_LSTAT:
586	case EIO_FSTAT:	571	case EIO_FSTAT:
587	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
588	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
589	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		577
590	PUSHs (sv_result);	578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
591	break;	583	break;
592		584
593	case EIO_READ:	585	case EIO_READ:
594	{	586	{
595	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));
…		…
598	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
599	PUSHs (sv_result);	591	PUSHs (sv_result);
600	}	592	}
601	break;	593	break;
602		594
		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
603	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
604	if (req->result > 0)	636	if (req->result > 0)
605	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
606	/* FALLTHROUGH */	638	/* FALLTHROUGH */
607		639
…		…
628	}	660	}
629		661
630	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
631	}	663	}
632		664
		665	static void
633	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
634	{	667	{
635	if (req->self)	668	if (req->self)
636	{	669	{
637	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
638	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
639	}	672	}
640		673
641	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
642	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
643	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
644		679
645	Safefree (req);	680	free (req);
646	}	681	}
647		682
		683	static void
648	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
649	{	685	{
650	aio_req sub;
651
652	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
653	return;	687	return;
654		688
655	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
656	grp->sv2 = 0;	690	grp->sv2 = 0;
657		691
658	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
659	}	693	}
660		694
		695	static void ecb_cold
661	static void create_respipe (void)	696	create_respipe (void)
662	{	697	{
663	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
664	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
665	}	700	}
666		701
667	static void poll_wait (void)	702	static void
		703	poll_wait (void)
668	{	704	{
669	while (eio_nreqs ())	705	while (eio_nreqs ())
670	{	706	{
671	int size;	707	int size;
672		708
673	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
674	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
675	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
676		712
677	if (size)	713	if (size)
678	return;	714	return;
679		715
680	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
681		717
682	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
683	}	719	}
684	}	720	}
685		721
686	static int poll_cb (void)	722	static int
		723	poll_cb (void)
687	{	724	{
688	for (;;)	725	for (;;)
689	{	726	{
690	int res = eio_poll ();	727	int res = eio_poll ();
691		728
…		…
697		734
698	poll_wait ();	735	poll_wait ();
699	}	736	}
700	}	737	}
701		738
702	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
703	{	741	{
704	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
705	}	746	}
706		747
707	/*****************************************************************************/	748	/*****************************************************************************/
708		749
709	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
710	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
711	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
712	#endif	753	#endif
713		754
714	#if !_POSIX_MEMORY_PROTECTION	755	#if !_POSIX_MEMORY_PROTECTION
715	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	756	# 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	757	#endif
722		758
723	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
724		760
		761	static int ecb_cold
725	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
726	{	763	{
727	int old_errno = errno;	764	int old_errno = errno;
728	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
729	errno = old_errno;	766	errno = old_errno;
730		767
…		…
746	0, 0, 0, 0, mmap_free	783	0, 0, 0, 0, mmap_free
747	};	784	};
748		785
749	/*****************************************************************************/	786	/*****************************************************************************/
750		787
		788	static SV *
751	static SV * get_cb (SV *cb_sv)	789	get_cb (SV *cb_sv)
752	{	790	{
753	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
754	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
755	}	793	}
756		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
757	#define dREQ \	815	#define dREQ \
758	SV *cb_cv; \	816	aio_req req = dreq (callback); \
759	aio_req req; \
760	int req_pri = next_pri; \
761	next_pri = EIO_PRI_DEFAULT; \
762	\
763	cb_cv = get_cb (callback); \
764	\
765	Newz (0, req, 1, eio_req); \
766	if (!req) \
767	croak ("out of memory during eio_req allocation"); \
768	\
769	req->callback = SvREFCNT_inc (cb_cv); \
770	req->pri = req_pri
771		817
772	#define REQ_SEND \	818	#define REQ_SEND \
773	PUTBACK; \	819	PUTBACK; \
774	req_submit (req); \	820	req_submit (req); \
775	SPAGAIN; \	821	SPAGAIN; \
776	\	822	\
777	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
778	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
779		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
780	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
781		893
782	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
783		895
784	BOOT:	896	BOOT:
…		…
788	IV iv;	900	IV iv;
789	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
790	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
791	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
792	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
		908	const_iv (ENOSYS)
793	const_iv (EXDEV)	909	const_iv (EXDEV)
794	const_iv (ENOSYS)	910	const_iv (EBADR)
		911
		912	/* for lseek */
		913	const_iv (SEEK_DATA)
		914	const_iv (SEEK_HOLE)
		915
		916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		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 */
795	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
796	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
797	const_iv (O_RDWR)	932	const_iv (O_RDWR)
798	const_iv (O_CREAT)	933	const_iv (O_CREAT)
799	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
…		…
812	const_iv (O_SEARCH)	947	const_iv (O_SEARCH)
813	const_iv (O_DIRECTORY)	948	const_iv (O_DIRECTORY)
814	const_iv (O_DSYNC)	949	const_iv (O_DSYNC)
815	const_iv (O_RSYNC)	950	const_iv (O_RSYNC)
816	const_iv (O_SYNC)	951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
817	const_iv (O_TTY_INIT)	954	const_iv (O_TTY_INIT)
818		955
819	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
820	const_iv (S_IFCHR)	957	const_iv (S_IFCHR)
821	const_iv (S_IFBLK)	958	const_iv (S_IFBLK)
…		…
823	const_iv (S_IFREG)	960	const_iv (S_IFREG)
824	const_iv (S_IFDIR)	961	const_iv (S_IFDIR)
825	const_iv (S_IFWHT)	962	const_iv (S_IFWHT)
826	const_iv (S_IFSOCK)	963	const_iv (S_IFSOCK)
827	const_iv (S_IFMT)	964	const_iv (S_IFMT)
828
829	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
830	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
831	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
832	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
833	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
834	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
835
836	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
837	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
838	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
839	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
840	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
841		965
842	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
843	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
844	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
845	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
855	const_iv (PROT_NONE)	979	const_iv (PROT_NONE)
856	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
857	const_iv (PROT_READ)	981	const_iv (PROT_READ)
858	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
859		983
860	/*const_iv (MAP_FIXED)*/
861	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
862	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
863	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
864		988
865	/* linuxish */	989	/* linuxish */
866	const_iv (MAP_HUGETLB)
867	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
868	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
869	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
870	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
		994	const_iv (MAP_GROWSDOWN)
		995	const_iv (MAP_32BIT)
		996	const_iv (MAP_HUGETLB)
		997	const_iv (MAP_STACK)
		998
		999	const_iv (FIEMAP_FLAG_SYNC)
		1000	const_iv (FIEMAP_FLAG_XATTR)
		1001	const_iv (FIEMAP_FLAGS_COMPAT)
		1002	const_iv (FIEMAP_EXTENT_LAST)
		1003	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1004	const_iv (FIEMAP_EXTENT_DELALLOC)
		1005	const_iv (FIEMAP_EXTENT_ENCODED)
		1006	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1007	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1008	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1009	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1010	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1011	const_iv (FIEMAP_EXTENT_MERGED)
		1012	const_iv (FIEMAP_EXTENT_SHARED)
		1013
		1014	const_iv (SPLICE_F_MOVE)
		1015	const_iv (SPLICE_F_NONBLOCK)
		1016	const_iv (SPLICE_F_MORE)
		1017	const_iv (SPLICE_F_GIFT)
		1018
		1019	/* these are libeio constants, and are independent of gendef0 */
		1020	const_eio (SEEK_SET)
		1021	const_eio (SEEK_CUR)
		1022	const_eio (SEEK_END)
871		1023
872	const_eio (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
873	const_eio (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
874		1026
875	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
…		…
881	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
882	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
883	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884		1036
885	const_eio (FALLOC_FL_KEEP_SIZE)	1037	const_eio (FALLOC_FL_KEEP_SIZE)
		1038	const_eio (FALLOC_FL_PUNCH_HOLE)
		1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1040	const_eio (FALLOC_FL_ZERO_RANGE)
886		1041
887	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
888	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
889	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
890	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
901	};	1056	};
902		1057
903	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
904	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
905	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1060	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1061	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
906		1062
907	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1063	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
908	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
909		1065
910	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
911		1067
912	create_respipe ();	1068	reinit ();
913
914	if (eio_init (want_poll, done_poll) < 0)
915	croak ("IO::AIO: unable to initialise eio library");
916
917	/* atfork child called in fifo order, so before eio's handler */
918	X_THREAD_ATFORK (0, 0, atfork_child);
919	}	1069	}
		1070
		1071	void
		1072	reinit ()
		1073	PROTOTYPE:
920		1074
921	void	1075	void
922	max_poll_reqs (unsigned int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
923	PROTOTYPE: $	1077	PROTOTYPE: $
924	CODE:	1078	CODE:
…		…
959	PROTOTYPE: $	1113	PROTOTYPE: $
960	CODE:	1114	CODE:
961	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
962		1116
963	void	1117	void
964	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
965	PPCODE:	1119	PPCODE:
966	{	1120	{
967	dREQ;	1121	dREQ;
968		1122
		1123	req->type = EIO_WD_OPEN;
		1124	req_set_path1 (req, pathname);
		1125
		1126	REQ_SEND;
		1127	}
		1128
		1129	void
		1130	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1131	PPCODE:
		1132	{
		1133	dREQ;
		1134
969	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
970	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
971	req->ptr1 = SvPVbyte_nolen (req->sv1);
972	req->int1 = flags;	1137	req->int1 = flags;
973	req->int2 = mode;	1138	req->int2 = mode;
974		1139
975	REQ_SEND;	1140	REQ_SEND;
976	}	1141	}
977		1142
978	void	1143	void
979	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
980	ALIAS:	1145	ALIAS:
981	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
982	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
983	PPCODE:	1149	PPCODE:
984	{	1150	{
985	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
986	dREQ;	1152	dREQ;
987		1153
988	req->type = ix;	1154	req->type = ix;
989	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
990	req->int1 = fd;	1156	req->int1 = fd;
991		1157
992	REQ_SEND (req);	1158	REQ_SEND;
993	}	1159	}
994		1160
995	void	1161	void
996	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1162	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
997	PPCODE:	1163	PPCODE:
998	{	1164	{
999	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
1000	dREQ;	1166	dREQ;
1001		1167
1002	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
1003	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
1004	req->int1 = fd;	1170	req->int1 = fd;
1005	req->offs = offset;	1171	req->offs = offset;
1006	req->size = nbytes;	1172	req->size = nbytes;
1007	req->int2 = flags;	1173	req->int2 = flags;
1008		1174
1009	REQ_SEND (req);	1175	REQ_SEND;
1010	}	1176	}
1011		1177
1012	void	1178	void
1013	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1014	PPCODE:	1180	PPCODE:
1015	{	1181	{
1016	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
1017	dREQ;	1183	dREQ;
1018		1184
1019	req->type = EIO_FALLOCATE;	1185	req->type = EIO_FALLOCATE;
1020	req->sv1 = newSVsv (fh);	1186	req->sv1 = newSVsv (fh);
1021	req->int1 = fd;	1187	req->int1 = fd;
1022	req->int2 = mode;	1188	req->int2 = mode;
1023	req->offs = offset;	1189	req->offs = offset;
1024	req->size = len;	1190	req->size = len;
1025		1191
1026	REQ_SEND (req);	1192	REQ_SEND;
1027	}	1193	}
1028		1194
1029	void	1195	void
1030	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1031	PPCODE:	1197	PPCODE:
1032	{	1198	{
1033	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1034	int fd = s_fileno_croak (fh, 0);	1200	int fd = s_fileno_croak (fh, 0);
1035	dREQ;	1201	dREQ;
1036		1202
1037	if (close_pipe < 0)	1203	if (expect_false (close_fd < 0))
1038	{	1204	{
1039	int pipefd [2];	1205	int pipefd [2];
1040		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
1041	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
1042	|| close (pipefd [1]) < 0
1043	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1212	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1213	#endif
		1214	|| close (pipefd [1]) < 0
		1215	)
1044	abort (); /*D*/	1216	abort (); /*D*/
1045		1217
1046	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
1047	}	1219	}
1048		1220
1049	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
1050	req->int1 = close_pipe;	1222	req->int1 = close_fd;
1051	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
1052	req->int2 = fd;	1224	req->int2 = fd;
1053		1225
1054	REQ_SEND (req);	1226	REQ_SEND;
1055	}	1227	}
1056		1228
1057	void	1229	void
		1230	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1231	PPCODE:
		1232	{
		1233	int fd = s_fileno_croak (fh, 0);
		1234	dREQ;
		1235
		1236	req->type = EIO_SEEK;
		1237	req->sv1 = newSVsv (fh);
		1238	req->int1 = fd;
		1239	req->offs = SvVAL64 (offset);
		1240	req->int2 = whence;
		1241
		1242	REQ_SEND;
		1243	}
		1244
		1245	void
1058	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1246	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1059	ALIAS:	1247	ALIAS:
1060	aio_read = EIO_READ	1248	aio_read = EIO_READ
1061	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
1062	PPCODE:	1250	PPCODE:
1063	{	1251	{
…		…
1079	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
1080	}	1268	}
1081	else	1269	else
1082	{	1270	{
1083	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
1084	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1085	svptr = SvGROW (data, len + dataoffset + 1);	1273	svptr = sv_grow (data, len + dataoffset + 1);
		1274	else if (SvCUR (data) < len + dataoffset)
		1275	croak ("length + dataoffset outside of scalar, and cannot grow");
1086	}	1276	}
1087		1277
1088	{	1278	{
1089	dREQ;	1279	dREQ;
1090		1280
…		…
1106	REQ_SEND;	1296	REQ_SEND;
1107	}	1297	}
1108	}	1298	}
1109		1299
1110	void	1300	void
		1301	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1302	ALIAS:
		1303	aio_ioctl = EIO_IOCTL
		1304	aio_fcntl = EIO_FCNTL
		1305	PPCODE:
		1306	{
		1307	int fd = s_fileno_croak (fh, 0);
		1308	char *svptr;
		1309
		1310	if (SvPOK (arg) || !SvNIOK (arg))
		1311	{
		1312	STRLEN svlen;
		1313	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1314	#ifdef IOCPARM_LEN
		1315	STRLEN need = IOCPARM_LEN (request);
		1316	#else
		1317	STRLEN need = 256;
		1318	#endif
		1319
		1320	if (svlen < need)
		1321	svptr = SvGROW (arg, need);
		1322	}
		1323	else
		1324	svptr = (char *)SvIV (arg);
		1325
		1326	{
		1327	dREQ;
		1328
		1329	req->type = ix;
		1330	req->sv1 = newSVsv (fh);
		1331	req->int1 = fd;
		1332	req->int2 = (long)request;
		1333	req->sv2 = SvREFCNT_inc (arg);
		1334	req->ptr2 = svptr;
		1335
		1336	REQ_SEND;
		1337	}
		1338	}
		1339
		1340	void
1111	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1341	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1112	ALIAS:	1342	ALIAS:
1113	aio_readlink = EIO_READLINK	1343	aio_readlink = EIO_READLINK
1114	aio_realpath = EIO_REALPATH	1344	aio_realpath = EIO_REALPATH
1115	PPCODE:	1345	PPCODE:
1116	{	1346	{
1117	SV *data;
1118	dREQ;	1347	dREQ;
1119		1348
1120	req->type = ix;	1349	req->type = ix;
1121	req->sv1 = newSVsv (path);	1350	req_set_path1 (req, pathname);
1122	req->ptr1 = SvPVbyte_nolen (req->sv1);
1123		1351
1124	REQ_SEND;	1352	REQ_SEND;
1125	}	1353	}
1126		1354
1127	void	1355	void
1128	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1356	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1129	PPCODE:	1357	PPCODE:
1130	{	1358	{
1131	int ifd = s_fileno_croak (in_fh , 0);	1359	int ifd = s_fileno_croak (in_fh , 0);
1132	int ofd = s_fileno_croak (out_fh, 1);	1360	int ofd = s_fileno_croak (out_fh, 1);
1133	dREQ;	1361	dREQ;
1134		1362
1135	req->type = EIO_SENDFILE;	1363	req->type = EIO_SENDFILE;
1136	req->sv1 = newSVsv (out_fh);	1364	req->sv1 = newSVsv (out_fh);
1137	req->int1 = ofd;	1365	req->int1 = ofd;
…		…
1142		1370
1143	REQ_SEND;	1371	REQ_SEND;
1144	}	1372	}
1145		1373
1146	void	1374	void
1147	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1375	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1148	PPCODE:	1376	PPCODE:
1149	{	1377	{
1150	int fd = s_fileno_croak (fh, 0);	1378	int fd = s_fileno_croak (fh, 0);
1151	dREQ;	1379	dREQ;
1152		1380
1153	req->type = EIO_READAHEAD;	1381	req->type = EIO_READAHEAD;
1154	req->sv1 = newSVsv (fh);	1382	req->sv1 = newSVsv (fh);
1155	req->int1 = fd;	1383	req->int1 = fd;
…		…
1158		1386
1159	REQ_SEND;	1387	REQ_SEND;
1160	}	1388	}
1161		1389
1162	void	1390	void
1163	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1391	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1164	ALIAS:	1392	ALIAS:
1165	aio_stat = EIO_STAT	1393	aio_stat = EIO_STAT
1166	aio_lstat = EIO_LSTAT	1394	aio_lstat = EIO_LSTAT
1167	aio_statvfs = EIO_STATVFS	1395	aio_statvfs = EIO_STATVFS
1168	PPCODE:	1396	PPCODE:
1169	{	1397	{
1170	dREQ;	1398	dREQ;
1171		1399
1172	req->sv1 = newSVsv (fh_or_path);	1400	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1173
1174	if (SvPOK (req->sv1))
1175	{
1176	req->type = ix;
1177	req->ptr1 = SvPVbyte_nolen (req->sv1);
1178	}
1179	else
1180	{
1181	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1182	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1183	}
1184		1401
1185	REQ_SEND;	1402	REQ_SEND;
1186	}	1403	}
1187		1404
1188	UV	1405	UV
…		…
1200	RETVAL = makedev (maj, min);	1417	RETVAL = makedev (maj, min);
1201	OUTPUT:	1418	OUTPUT:
1202	RETVAL	1419	RETVAL
1203		1420
1204	void	1421	void
1205	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1422	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1206	PPCODE:	1423	PPCODE:
1207	{	1424	{
1208	dREQ;	1425	dREQ;
1209		1426
1210	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1427	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1211	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1428	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1212	req->sv1 = newSVsv (fh_or_path);	1429	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1213
1214	if (SvPOK (req->sv1))
1215	{
1216	req->type = EIO_UTIME;
1217	req->ptr1 = SvPVbyte_nolen (req->sv1);
1218	}
1219	else
1220	{
1221	req->type = EIO_FUTIME;
1222	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1223	}
1224		1430
1225	REQ_SEND;	1431	REQ_SEND;
1226	}	1432	}
1227		1433
1228	void	1434	void
1229	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1435	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1230	PPCODE:	1436	PPCODE:
1231	{	1437	{
1232	dREQ;	1438	dREQ;
1233		1439
1234	req->sv1 = newSVsv (fh_or_path);
1235	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1440	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1236		1441	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1237	if (SvPOK (req->sv1))
1238	{
1239	req->type = EIO_TRUNCATE;
1240	req->ptr1 = SvPVbyte_nolen (req->sv1);
1241	}
1242	else
1243	{
1244	req->type = EIO_FTRUNCATE;
1245	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1246	}
1247		1442
1248	REQ_SEND;	1443	REQ_SEND;
1249	}	1444	}
1250		1445
1251	void	1446	void
1252	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1447	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1253	ALIAS:
1254	aio_chmod = EIO_CHMOD
1255	aio_mkdir = EIO_MKDIR
1256	PPCODE:	1448	PPCODE:
1257	{	1449	{
1258	dREQ;	1450	dREQ;
1259		1451
1260	req->int2 = mode;	1452	req->int2 = mode;
1261	req->sv1 = newSVsv (fh_or_path);	1453	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1262
1263	if (SvPOK (req->sv1))
1264	{
1265	req->type = ix;
1266	req->ptr1 = SvPVbyte_nolen (req->sv1);
1267	}
1268	else
1269	{
1270	req->type = EIO_FCHMOD;
1271	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1272	}
1273		1454
1274	REQ_SEND;	1455	REQ_SEND;
1275	}	1456	}
1276		1457
1277	void	1458	void
1278	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1459	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1279	PPCODE:	1460	PPCODE:
1280	{	1461	{
1281	dREQ;	1462	dREQ;
1282		1463
1283	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1464	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1284	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1465	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1285	req->sv1 = newSVsv (fh_or_path);	1466	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1286
1287	if (SvPOK (req->sv1))
1288	{
1289	req->type = EIO_CHOWN;
1290	req->ptr1 = SvPVbyte_nolen (req->sv1);
1291	}
1292	else
1293	{
1294	req->type = EIO_FCHOWN;
1295	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1296	}
1297		1467
1298	REQ_SEND;	1468	REQ_SEND;
1299	}	1469	}
1300		1470
1301	void	1471	void
1302	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1472	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1303	PPCODE:	1473	PPCODE:
1304	{	1474	{
1305	dREQ;	1475	dREQ;
1306		1476
1307	req->type = EIO_READDIR;	1477	req->type = EIO_READDIR;
1308	req->sv1 = newSVsv (pathname);
1309	req->ptr1 = SvPVbyte_nolen (req->sv1);
1310	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1478	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1311		1479
1312	if (flags & EIO_READDIR_DENTS)	1480	if (flags & EIO_READDIR_DENTS)
1313	req->int1 |= EIO_READDIR_CUSTOM2;	1481	req->int1 |= EIO_READDIR_CUSTOM2;
1314		1482
		1483	req_set_path1 (req, pathname);
		1484
1315	REQ_SEND;	1485	REQ_SEND;
1316	}	1486	}
1317		1487
1318	void	1488	void
		1489	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1490	PPCODE:
		1491	{
		1492	dREQ;
		1493
		1494	req->type = EIO_MKDIR;
		1495	req->int2 = mode;
		1496	req_set_path1 (req, pathname);
		1497
		1498	REQ_SEND;
		1499	}
		1500
		1501	void
1319	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1502	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1320	ALIAS:	1503	ALIAS:
1321	aio_unlink = EIO_UNLINK	1504	aio_unlink = EIO_UNLINK
1322	aio_rmdir = EIO_RMDIR	1505	aio_rmdir = EIO_RMDIR
1323	aio_readdir = EIO_READDIR	1506	aio_readdir = EIO_READDIR
1324	PPCODE:	1507	PPCODE:
1325	{	1508	{
1326	dREQ;	1509	dREQ;
1327		1510
1328	req->type = ix;	1511	req->type = ix;
1329	req->sv1 = newSVsv (pathname);	1512	req_set_path1 (req, pathname);
1330	req->ptr1 = SvPVbyte_nolen (req->sv1);
1331		1513
1332	REQ_SEND;	1514	REQ_SEND;
1333	}	1515	}
1334		1516
1335	void	1517	void
1336	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1518	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1337	ALIAS:	1519	ALIAS:
1338	aio_link = EIO_LINK	1520	aio_link = EIO_LINK
1339	aio_symlink = EIO_SYMLINK	1521	aio_symlink = EIO_SYMLINK
1340	aio_rename = EIO_RENAME	1522	aio_rename = EIO_RENAME
1341	PPCODE:	1523	PPCODE:
1342	{	1524	{
		1525	eio_wd wd2 = 0;
1343	dREQ;	1526	dREQ;
1344		1527
1345	req->type = ix;	1528	req->type = ix;
1346	req->sv1 = newSVsv (oldpath);	1529	req_set_path1 (req, oldpath);
1347	req->ptr1 = SvPVbyte_nolen (req->sv1);	1530	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1348	req->sv2 = newSVsv (newpath);	1531	req->int3 = (long)wd2;
1349	req->ptr2 = SvPVbyte_nolen (req->sv2);
1350		1532
1351	REQ_SEND;	1533	REQ_SEND;
1352	}	1534	}
1353		1535
1354	void	1536	void
1355	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1537	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1356	PPCODE:	1538	PPCODE:
1357	{	1539	{
1358	dREQ;	1540	dREQ;
1359		1541
1360	req->type = EIO_MKNOD;	1542	req->type = EIO_MKNOD;
1361	req->sv1 = newSVsv (pathname);
1362	req->ptr1 = SvPVbyte_nolen (req->sv1);
1363	req->int2 = (mode_t)mode;	1543	req->int2 = (mode_t)mode;
1364	req->offs = dev;	1544	req->offs = dev;
		1545	req_set_path1 (req, pathname);
1365		1546
1366	REQ_SEND;	1547	REQ_SEND;
1367	}	1548	}
1368		1549
1369	void	1550	void
1370	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1551	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1371	ALIAS:	1552	ALIAS:
1372	aio_mtouch = EIO_MTOUCH	1553	aio_mtouch = EIO_MTOUCH
1373	aio_msync = EIO_MSYNC	1554	aio_msync = EIO_MSYNC
1374	PPCODE:	1555	PPCODE:
1375	{	1556	{
…		…
1398	REQ_SEND;	1579	REQ_SEND;
1399	}	1580	}
1400	}	1581	}
1401		1582
1402	void	1583	void
1403	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1584	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1404	PPCODE:	1585	PPCODE:
1405	{	1586	{
1406	STRLEN svlen;	1587	STRLEN svlen;
1407	char *svptr = SvPVbyte (data, svlen);	1588	char *svptr = SvPVbyte (data, svlen);
1408	UV len = SvUV (length);	1589	UV len = SvUV (length);
…		…
1427	REQ_SEND;	1608	REQ_SEND;
1428	}	1609	}
1429	}	1610	}
1430		1611
1431	void	1612	void
1432	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1613	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1433	PPCODE:	1614	PPCODE:
1434	{	1615	{
1435	dREQ;	1616	dREQ;
1436		1617
1437	req->type = EIO_MLOCKALL;	1618	req->type = EIO_MLOCKALL;
…		…
1439		1620
1440	REQ_SEND;	1621	REQ_SEND;
1441	}	1622	}
1442		1623
1443	void	1624	void
		1625	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1626	PPCODE:
		1627	{
		1628	int fd = s_fileno_croak (fh, 0);
		1629	dREQ;
		1630
		1631	req->type = EIO_CUSTOM;
		1632	req->sv1 = newSVsv (fh);
		1633	req->int1 = fd;
		1634
		1635	req->feed = fiemap;
		1636	#if HAVE_FIEMAP
		1637	/* keep our fingers crossed that the next two types are 64 bit */
		1638	req->offs = start;
		1639	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1640	req->int2 = flags;
		1641	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1642	#endif
		1643
		1644	REQ_SEND;
		1645	}
		1646
		1647	void
1444	aio_busy (double delay, SV *callback=&PL_sv_undef)	1648	aio_busy (double delay, SV *callback = &PL_sv_undef)
1445	PPCODE:	1649	PPCODE:
1446	{	1650	{
1447	dREQ;	1651	dREQ;
1448		1652
1449	req->type = EIO_BUSY;	1653	req->type = EIO_BUSY;
…		…
1451		1655
1452	REQ_SEND;	1656	REQ_SEND;
1453	}	1657	}
1454		1658
1455	void	1659	void
1456	aio_group (SV *callback=&PL_sv_undef)	1660	aio_group (SV *callback = &PL_sv_undef)
1457	PPCODE:	1661	PPCODE:
1458	{	1662	{
1459	dREQ;	1663	dREQ;
1460		1664
1461	req->type = EIO_GROUP;	1665	req->type = EIO_GROUP;
1462		1666
		1667	PUTBACK;
1463	req_submit (req);	1668	req_submit (req);
		1669	SPAGAIN;
		1670
1464	XPUSHs (req_sv (req, aio_grp_stash));	1671	XPUSHs (req_sv (req, aio_grp_stash));
1465	}	1672	}
1466		1673
1467	void	1674	void
1468	aio_nop (SV *callback=&PL_sv_undef)	1675	aio_nop (SV *callback = &PL_sv_undef)
1469	ALIAS:	1676	ALIAS:
1470	aio_nop = EIO_NOP	1677	aio_nop = EIO_NOP
1471	aio_sync = EIO_SYNC	1678	aio_sync = EIO_SYNC
1472	PPCODE:	1679	PPCODE:
1473	{	1680	{
…		…
1477		1684
1478	REQ_SEND;	1685	REQ_SEND;
1479	}	1686	}
1480		1687
1481	int	1688	int
1482	aioreq_pri (int pri = 0)	1689	aioreq_pri (int pri = NO_INIT)
1483	CODE:	1690	CODE:
1484	RETVAL = next_pri;	1691	RETVAL = next_pri;
1485	if (items > 0)	1692	if (items > 0)
1486	{	1693	{
1487	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1694	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1569	CODE:	1776	CODE:
1570	RETVAL = posix_fadvise (fh, offset, length, advice);	1777	RETVAL = posix_fadvise (fh, offset, length, advice);
1571	OUTPUT:	1778	OUTPUT:
1572	RETVAL	1779	RETVAL
1573		1780
1574	ssize_t	1781	IV
1575	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1782	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1576	CODE:	1783	CODE:
1577	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1784	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1578	OUTPUT:	1785	OUTPUT:
1579	RETVAL	1786	RETVAL
1580		1787
1581	void	1788	void
1582	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1789	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1583	PPCODE:	1790	PPCODE:
1584	sv_unmagic (scalar, MMAP_MAGIC);	1791	sv_unmagic (scalar, MMAP_MAGIC);
1585	{	1792	{
1586	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1793	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1587	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1794	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1614	munmap (SV *scalar)	1821	munmap (SV *scalar)
1615	CODE:	1822	CODE:
1616	sv_unmagic (scalar, MMAP_MAGIC);	1823	sv_unmagic (scalar, MMAP_MAGIC);
1617		1824
1618	int	1825	int
1619	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1826	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1620	ALIAS:	1827	ALIAS:
1621	mprotect = 1	1828	mprotect = 1
1622	CODE:	1829	CODE:
1623	{	1830	{
1624	STRLEN svlen;	1831	STRLEN svlen;
1625	void *addr = SvPVbyte (scalar, svlen);	1832	void *addr = SvPVbyte (scalar, svlen);
1626	size_t len = SvUV (length);	1833	STRLEN len = SvUV (length);
1627		1834
1628	if (offset < 0)	1835	if (offset < 0)
1629	offset += svlen;	1836	offset += svlen;
1630		1837
1631	if (offset < 0 || offset > svlen)	1838	if (offset < 0 || offset > svlen)
…		…
1645	}	1852	}
1646	OUTPUT:	1853	OUTPUT:
1647	RETVAL	1854	RETVAL
1648		1855
1649	int	1856	int
1650	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1857	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1651	CODE:	1858	CODE:
1652	{	1859	{
1653	STRLEN svlen;	1860	STRLEN svlen;
1654	void *addr = SvPVbyte (scalar, svlen);	1861	void *addr = SvPVbyte (scalar, svlen);
1655	size_t len = SvUV (length);	1862	size_t len = SvUV (length);
1656		1863
1657	if (offset < 0)	1864	if (offset < 0)
1658	offset += svlen;	1865	offset += svlen;
1659		1866
…		…
1666	addr = (void *)(((intptr_t)addr) + offset);	1873	addr = (void *)(((intptr_t)addr) + offset);
1667	eio_page_align (&addr, &len);	1874	eio_page_align (&addr, &len);
1668	#if _POSIX_MEMLOCK_RANGE	1875	#if _POSIX_MEMLOCK_RANGE
1669	RETVAL = munlock (addr, len);	1876	RETVAL = munlock (addr, len);
1670	#else	1877	#else
1671	RETVAL = ((errno = ENOSYS), -1);	1878	RETVAL = EIO_ENOSYS ();
1672	#endif	1879	#endif
1673	}	1880	}
1674	OUTPUT:	1881	OUTPUT:
1675	RETVAL	1882	RETVAL
1676		1883
…		…
1678	munlockall ()	1885	munlockall ()
1679	CODE:	1886	CODE:
1680	#if _POSIX_MEMLOCK	1887	#if _POSIX_MEMLOCK
1681	munlockall ();	1888	munlockall ();
1682	#else	1889	#else
1683	RETVAL = -1;	1890	RETVAL = EIO_ENOSYS ();
1684	errno = ENOSYS;
1685	#endif	1891	#endif
1686	OUTPUT:	1892	OUTPUT:
1687	RETVAL	1893	RETVAL
		1894
		1895	int
		1896	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1897	CODE:
		1898	{
		1899	#if HAVE_LINUX_SPLICE
		1900	loff_t off_in_, off_out_;
		1901	RETVAL = splice (
		1902	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1903	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1904	length, flags
		1905	);
		1906	#else
		1907	RETVAL = EIO_ENOSYS ();
		1908	#endif
		1909	}
		1910	OUTPUT:
		1911	RETVAL
		1912
		1913	int
		1914	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1915	CODE:
		1916	#if HAVE_LINUX_SPLICE
		1917	RETVAL = tee (rfh, wfh, length, flags);
		1918	#else
		1919	RETVAL = EIO_ENOSYS ();
		1920	#endif
		1921	OUTPUT:
		1922	RETVAL
		1923
		1924	int
		1925	pipesize (aio_rfd rfh, int new_size = -1)
		1926	PROTOTYPE: $;$
		1927	CODE:
		1928	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1929	if (new_size >= 0)
		1930	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1931	else
		1932	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1933	#else
		1934	errno = ENOSYS;
		1935	RETVAL = -1;
		1936	#endif
		1937	OUTPUT:
		1938	RETVAL
		1939
		1940	void
		1941	pipe2 (int flags = 0)
		1942	PROTOTYPE: ;$
		1943	PPCODE:
		1944	{
		1945	int fd[2];
		1946	int res;
		1947
		1948	if (flags)
		1949	#if HAVE_PIPE2
		1950	res = pipe2 (fd, flags);
		1951	#else
		1952	res = (errno = ENOSYS, -1);
		1953	#endif
		1954	else
		1955	res = pipe (fd);
		1956
		1957	if (!res)
		1958	{
		1959	EXTEND (SP, 2);
		1960	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1961	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1962	}
		1963	}
1688		1964
1689	void _on_next_submit (SV *cb)	1965	void _on_next_submit (SV *cb)
1690	CODE:	1966	CODE:
1691	SvREFCNT_dec (on_next_submit);	1967	SvREFCNT_dec (on_next_submit);
1692	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1968	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1693		1969
1694	PROTOTYPES: DISABLE	1970	PROTOTYPES: DISABLE
1695		1971
		1972	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1973
		1974	BOOT:
		1975	{
		1976	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1977	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1978	}
		1979
		1980	void
		1981	DESTROY (SV *self)
		1982	CODE:
		1983	{
		1984	aio_wd wd = SvAIO_WD (self);
		1985	#if HAVE_AT
		1986	{
		1987	SV *callback = &PL_sv_undef;
		1988	dREQ; /* clobbers next_pri :/ */
		1989	next_pri = req->pri; /* restore next_pri */
		1990	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1991	req->type = EIO_WD_CLOSE;
		1992	req->wd = wd;
		1993	REQ_SEND;
		1994	}
		1995	#else
		1996	eio_wd_close_sync (wd);
		1997	#endif
		1998	}
		1999
1696	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2000	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1697		2001
1698	void	2002	void
1699	cancel (aio_req_ornot req)	2003	cancel (aio_req_ornot req)
1700	CODE:	2004	CODE:
1701	eio_cancel (req);	2005	eio_cancel (req);
1702		2006
1703	void	2007	void
1704	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2008	cb (aio_req_ornot req, SV *callback = NO_INIT)
1705	PPCODE:	2009	PPCODE:
1706	{	2010	{
1707	if (GIMME_V != G_VOID)	2011	if (GIMME_V != G_VOID)
1708	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2012	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1709		2013
1710	if (items > 1)	2014	if (items > 1)
1711	{	2015	{
1712	SV *cb_cv =get_cb (callback);	2016	SV *cb_cv = get_cb (callback);
1713		2017
1714	SvREFCNT_dec (req->callback);	2018	SvREFCNT_dec (req->callback);
1715	req->callback = SvREFCNT_inc (cb_cv);	2019	req->callback = SvREFCNT_inc (cb_cv);
1716	}	2020	}
1717	}	2021	}
…		…
1774	limit (aio_req grp, int limit)	2078	limit (aio_req grp, int limit)
1775	CODE:	2079	CODE:
1776	eio_grp_limit (grp, limit);	2080	eio_grp_limit (grp, limit);
1777		2081
1778	void	2082	void
1779	feed (aio_req grp, SV *callback=&PL_sv_undef)	2083	feed (aio_req grp, SV *callback = &PL_sv_undef)
1780	CODE:	2084	CODE:
1781	{	2085	{
1782	SvREFCNT_dec (grp->sv2);	2086	SvREFCNT_dec (grp->sv2);
1783	grp->sv2 = newSVsv (callback);	2087	grp->sv2 = newSVsv (callback);
1784	grp->feed = aio_grp_feed;	2088	grp->feed = aio_grp_feed;

Diff Legend

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