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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs.
Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	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
23	#endif	35	#endif
24		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		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
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# 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
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
128	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		130
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	131	#include "libeio/eio.c"
		132
		133	#if !HAVE_POSIX_FADVISE
146	# 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 */
147	#endif	135	#endif
148		136
149	#ifndef POSIX_MADV_NORMAL	137	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef PROT_NONE
171	# define PROT_NONE 0
172	#endif
173	#ifndef PROT_READ
174	# define PROT_READ 0
175	#endif
176	#ifndef PROT_WRITE
177	# define PROT_READ 0
178	#endif
179	#ifndef PROT_EXEC
180	# define PROT_EXEC 0
181	#endif
182
183	#ifndef ST_NODEV
184	# define ST_NODEV 0
185	#endif
186	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0
188	#endif
189	#ifndef ST_SYNCHRONOUS
190	# define ST_SYNCHRONOUS 0
191	#endif
192	#ifndef ST_MANDLOCK
193	# define ST_MANDLOCK 0
194	#endif
195	#ifndef ST_WRITE
196	# define ST_WRITE 0
197	#endif
198	#ifndef ST_APPEND
199	# define ST_APPEND 0
200	#endif
201	#ifndef ST_IMMUTABLE
202	# define ST_IMMUTABLE 0
203	#endif
204	#ifndef ST_NOATIME
205	# define ST_NOATIME 0
206	#endif
207	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0
209	#endif
210	#ifndef ST_RELATIME
211	# define ST_RELATIME 0
212	#endif
213
214	#ifndef MCL_CURRENT
215	# define MCL_CURRENT 0
216	#endif
217	#ifndef MCL_FUTURE
218	# define MCL_FUTURE 0
219	#endif	139	#endif
220		140
221	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
222	# ifdef MAP_ANON	142	# ifdef MAP_ANON
223	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
224	# else	144	# else
225	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
226	# endif	146	# endif
227	#endif	147	#endif
228	#ifndef MAP_HUGETLB
229	# define MAP_HUGETLB 0
230	#endif
231	#ifndef MAP_LOCKED
232	# define MAP_LOCKED 0
233	#endif
234	#ifndef MAP_NORESERVE
235	# define MAP_NORESERVE 0
236	#endif
237	#ifndef MAP_POPULATE
238	# define MAP_POPULATE 0
239	#endif
240	#ifndef MAP_NONBLOCK
241	# define MAP_NONBLOCK 0
242	#endif
243		148
244	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	#include "def0.h"
		151
		152	#ifndef makedev
		153	# define makedev(maj,min) (((maj) << 8) | (min))
		154	#endif
		155	#ifndef major
		156	# define major(dev) ((dev) >> 8)
		157	#endif
		158	#ifndef minor
		159	# define minor(dev) ((dev) & 0xff)
		160	#endif
		161
		162	#if PAGESIZE <= 0
245	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
246	#endif	164	#endif
247		165
248	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
249	#define EIO_FINISH(req) req_invoke (req)	167
250	static void req_destroy (eio_req *grp);	168	static void
251	#define EIO_DESTROY(req) req_destroy (req)	169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
252		265
253	enum {	266	enum {
254	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
255	};	268	};
256		269
257	#include "libeio/eio.c"
258
259	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
260	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
261		273
262	static SV *on_next_submit;	274	static SV *on_next_submit;
263	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
264	static int max_outstanding;	276	static int max_outstanding;
265		277
266	static s_epipe respipe;	278	static s_epipe respipe;
267		279
268	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
269	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
270		282
271	static void want_poll (void)	283	static void
		284	want_poll (void)
272	{	285	{
273	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
274	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
275	}	288	}
276		289
277	static void done_poll (void)	290	static void
		291	done_poll (void)
278	{	292	{
279	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
280	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
281	}	295	}
282		296
283	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
284	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
285	{	300	{
286	if (!req->self)	301	if (!req->self)
287	{	302	{
288	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
289	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
290	}	305	}
291		306
292	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
293	}	308	}
294		309
295	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
296	{	318	{
297	MAGIC *mg;	319	MAGIC *mg;
298		320
299	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
300	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
301	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
302	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
303	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
304		327
305	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
306		329
307	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
308	}	331	}
309		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static SV *
		345	newmortalFH (int fd, int flags)
		346	{
		347	if (fd < 0)
		348	return &PL_sv_undef;
		349
		350	GV *gv = (GV *)sv_newmortal ();
		351	char sym[64];
		352	int symlen;
		353
		354	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		355	gv_init (gv, aio_stash, sym, symlen, 0);
		356
		357	symlen = snprintf (
		358	sym,
		359	sizeof (sym),
		360	"%s&=%d",
		361	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		362	fd
		363	);
		364
		365	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		366	? (SV *)gv : &PL_sv_undef;
		367	}
		368
		369	static void
310	static void aio_grp_feed (aio_req grp)	370	aio_grp_feed (aio_req grp)
311	{	371	{
312	if (grp->sv2 && SvOK (grp->sv2))	372	if (grp->sv2 && SvOK (grp->sv2))
313	{	373	{
314	dSP;	374	dSP;
315		375
…		…
323	FREETMPS;	383	FREETMPS;
324	LEAVE;	384	LEAVE;
325	}	385	}
326	}	386	}
327		387
		388	static void
328	static void req_submit (eio_req *req)	389	req_submit (eio_req *req)
329	{	390	{
330	eio_submit (req);	391	eio_submit (req);
331		392
332	if (expect_false (on_next_submit))	393	if (expect_false (on_next_submit))
333	{	394	{
…		…
340	PUTBACK;	401	PUTBACK;
341	call_sv (cb, G_DISCARD | G_EVAL);	402	call_sv (cb, G_DISCARD | G_EVAL);
342	}	403	}
343	}	404	}
344		405
		406	static int
345	static int req_invoke (eio_req *req)	407	req_invoke (eio_req *req)
346	{	408	{
347	if (req->flags & FLAG_SV2_RO_OFF)	409	if (req->flags & FLAG_SV2_RO_OFF)
348	SvREADONLY_off (req->sv2);	410	SvREADONLY_off (req->sv2);
349		411
350	if (!EIO_CANCELLED (req) && req->callback)	412	if (!EIO_CANCELLED (req) && req->callback)
…		…
361	/* do not recreate the result IV from scratch each time */	423	/* do not recreate the result IV from scratch each time */
362	if (expect_true (sv_result_cache))	424	if (expect_true (sv_result_cache))
363	{	425	{
364	sv_result = sv_result_cache; sv_result_cache = 0;	426	sv_result = sv_result_cache; sv_result_cache = 0;
365	SvIV_set (sv_result, req->result);	427	SvIV_set (sv_result, req->result);
		428	SvIOK_only (sv_result);
366	}	429	}
367	else	430	else
368	{	431	{
369	sv_result = newSViv (req->result);	432	sv_result = newSViv (req->result);
370	SvREADONLY_on (sv_result);	433	SvREADONLY_on (sv_result);
371	}	434	}
372		435
373	switch (req->type)	436	switch (req->type)
374	{	437	{
		438	case EIO_WD_OPEN:
		439	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		440	break;
		441
375	case EIO_READDIR:	442	case EIO_READDIR:
376	{	443	{
377	SV *rv = &PL_sv_undef;	444	SV *rv = &PL_sv_undef;
378		445
379	if (req->result >= 0)	446	if (req->result >= 0)
…		…
432	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	499	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
433	}	500	}
434	break;	501	break;
435		502
436	case EIO_OPEN:	503	case EIO_OPEN:
437	{	504	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
438	/* convert fd to fh */
439	SV *fh = &PL_sv_undef;
440
441	if (req->result >= 0)
442	{
443	GV *gv = (GV *)sv_newmortal ();
444	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
445	char sym [64];
446	int symlen;
447
448	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
449	gv_init (gv, aio_stash, sym, symlen, 0);
450
451	symlen = snprintf (
452	sym,
453	sizeof (sym),
454	"%s&=%d",
455	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
456	(int)req->result
457	);
458
459	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
460	fh = (SV *)gv;
461	}
462
463	PUSHs (fh);
464	}
465	break;	505	break;
466		506
467	case EIO_STATVFS:	507	case EIO_STATVFS:
468	case EIO_FSTATVFS:	508	case EIO_FSTATVFS:
469	{	509	{
470	SV *rv = &PL_sv_undef;	510	SV *rv = &PL_sv_undef;
471		511
		512	#ifndef _WIN32
472	if (req->result >= 0)	513	if (req->result >= 0)
473	{	514	{
474	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	515	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475	HV *hv = newHV ();	516	HV *hv = newHV ();
		517	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		518	* chooses to make it a struct.
		519	*/
		520	unsigned long fsid = 0;
		521	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
476		522
477	rv = sv_2mortal (newRV_noinc ((SV *)hv));	523	rv = sv_2mortal (newRV_noinc ((SV *)hv));
478		524
479	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	525	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
480	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	526	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
482	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	528	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
483	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	529	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
484	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	530	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
485	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	531	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
486	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	532	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
487	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	533	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
488	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	534	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
489	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	535	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
490	}	536	}
		537	#endif
491		538
492	PUSHs (rv);	539	PUSHs (rv);
493	}	540	}
494		541
495	break;	542	break;
…		…
511	case EIO_NOP:	558	case EIO_NOP:
512	case EIO_BUSY:	559	case EIO_BUSY:
513	break;	560	break;
514		561
515	case EIO_READLINK:	562	case EIO_READLINK:
		563	case EIO_REALPATH:
516	if (req->result > 0)	564	if (req->result > 0)
517	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	565	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
518	break;	566	break;
519		567
520	case EIO_STAT:	568	case EIO_STAT:
521	case EIO_LSTAT:	569	case EIO_LSTAT:
522	case EIO_FSTAT:	570	case EIO_FSTAT:
523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	571	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		572
524	PL_laststatval = req->result;	573	if (!(PL_laststatval = req->result))
		574	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
525	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	575	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		576
526	PUSHs (sv_result);	577	PUSHs (sv_result);
		578	break;
		579
		580	case EIO_SEEK:
		581	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
527	break;	582	break;
528		583
529	case EIO_READ:	584	case EIO_READ:
530	{	585	{
531	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	586	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
534	SvSETMAGIC (req->sv2);	589	SvSETMAGIC (req->sv2);
535	PUSHs (sv_result);	590	PUSHs (sv_result);
536	}	591	}
537	break;	592	break;
538		593
		594	case EIO_CUSTOM:
		595	if (req->feed == fiemap)
		596	{
		597	#if HAVE_FIEMAP
		598	if (!req->result)
		599	{
		600	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		601
		602	if (fiemap->fm_extent_count)
		603	{
		604	AV *av = newAV ();
		605	int i;
		606
		607	while (fiemap->fm_mapped_extents)
		608	{
		609	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		610	AV *ext_av = newAV ();
		611
		612	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		613	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		614	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		615	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		616
		617	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		618	}
		619
		620	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		621	}
		622	else
		623	{
		624	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		625	PUSHs (sv_result);
		626	}
		627	}
		628	#endif
		629	}
		630	else
		631	PUSHs (sv_result);
		632	break;
		633
539	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	634	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
540	if (req->result > 0)	635	if (req->result > 0)
541	SvIV_set (sv_result, 0);	636	SvIV_set (sv_result, 0);
542	/* FALLTHROUGH */	637	/* FALLTHROUGH */
543		638
544	default:	639	default:
…		…
564	}	659	}
565		660
566	return !!SvTRUE (ERRSV);	661	return !!SvTRUE (ERRSV);
567	}	662	}
568		663
		664	static void
569	static void req_destroy (aio_req req)	665	req_destroy (aio_req req)
570	{	666	{
571	if (req->self)	667	if (req->self)
572	{	668	{
573	sv_unmagic (req->self, PERL_MAGIC_ext);	669	sv_unmagic (req->self, PERL_MAGIC_ext);
574	SvREFCNT_dec (req->self);	670	SvREFCNT_dec (req->self);
575	}	671	}
576		672
577	SvREFCNT_dec (req->sv1);	673	SvREFCNT_dec (req->sv1);
578	SvREFCNT_dec (req->sv2);	674	SvREFCNT_dec (req->sv2);
		675	SvREFCNT_dec (req->sv3);
		676	SvREFCNT_dec (req->sv4);
579	SvREFCNT_dec (req->callback);	677	SvREFCNT_dec (req->callback);
580		678
581	Safefree (req);	679	free (req);
582	}	680	}
583		681
		682	static void
584	static void req_cancel_subs (aio_req grp)	683	req_cancel_subs (aio_req grp)
585	{	684	{
586	aio_req sub;
587
588	if (grp->type != EIO_GROUP)	685	if (grp->type != EIO_GROUP)
589	return;	686	return;
590		687
591	SvREFCNT_dec (grp->sv2);	688	SvREFCNT_dec (grp->sv2);
592	grp->sv2 = 0;	689	grp->sv2 = 0;
593		690
594	eio_grp_cancel (grp);	691	eio_grp_cancel (grp);
595	}	692	}
596		693
597	static void	694	static void ecb_cold
598	create_respipe (void)	695	create_respipe (void)
599	{	696	{
600	if (s_epipe_renew (&respipe))	697	if (s_epipe_renew (&respipe))
601	croak ("IO::AIO: unable to initialize result pipe");	698	croak ("IO::AIO: unable to initialize result pipe");
602	}	699	}
603		700
604	static void poll_wait (void)	701	static void
		702	poll_wait (void)
605	{	703	{
606	while (eio_nreqs ())	704	while (eio_nreqs ())
607	{	705	{
608	int size;	706	int size;
609		707
…		…
618		716
619	s_epipe_wait (&respipe);	717	s_epipe_wait (&respipe);
620	}	718	}
621	}	719	}
622		720
623	static int poll_cb (void)	721	static int
		722	poll_cb (void)
624	{	723	{
625	for (;;)	724	for (;;)
626	{	725	{
627	int res = eio_poll ();	726	int res = eio_poll ();
628		727
…		…
634		733
635	poll_wait ();	734	poll_wait ();
636	}	735	}
637	}	736	}
638		737
639	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
640	{	740	{
641	create_respipe ();	741	create_respipe ();
		742
		743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
642	}	745	}
643		746
644	/*****************************************************************************/	747	/*****************************************************************************/
645		748
646	#if !_POSIX_MAPPED_FILES	749	#if !_POSIX_MAPPED_FILES
647	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
648	# define munmap(addr,length) (errno = ENOSYS, -1)	751	# define munmap(addr,length) EIO_ENOSYS ()
		752	#endif
		753
		754	#if !_POSIX_MEMORY_PROTECTION
649	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		756	# define PROT_NONE 0
		757	# define PROT_WRITE 0
		758	# define MAP_PRIVATE 0
		759	# define MAP_SHARED 0
		760	# define MAP_FIXED 0
650	#endif	761	#endif
651		762
652	#define MMAP_MAGIC PERL_MAGIC_ext	763	#define MMAP_MAGIC PERL_MAGIC_ext
653		764
654	static int	765	static int ecb_cold
655	mmap_free (pTHX_ SV *sv, MAGIC *mg)	766	mmap_free (pTHX_ SV *sv, MAGIC *mg)
656	{	767	{
657	int old_errno = errno;	768	int old_errno = errno;
658	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659	errno = old_errno;	770	errno = old_errno;
…		…
683	{	794	{
684	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
685	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
686	}	797	}
687		798
		799	static aio_req ecb_noinline
		800	dreq (SV *callback)
		801	{
		802	SV *cb_cv;
		803	aio_req req;
		804	int req_pri = next_pri;
		805	next_pri = EIO_PRI_DEFAULT;
		806
		807	cb_cv = get_cb (callback);
		808
		809	req = calloc (sizeof (*req), 1);
		810	if (!req)
		811	croak ("out of memory during eio_req allocation");
		812
		813	req->callback = SvREFCNT_inc (cb_cv);
		814	req->pri = req_pri;
		815
		816	return req;
		817	}
		818
688	#define dREQ \	819	#define dREQ \
689	SV *cb_cv; \	820	aio_req req = dreq (callback); \
690	aio_req req; \
691	int req_pri = next_pri; \
692	next_pri = EIO_PRI_DEFAULT; \
693	\
694	cb_cv = get_cb (callback); \
695	\
696	Newz (0, req, 1, eio_req); \
697	if (!req) \
698	croak ("out of memory during eio_req allocation"); \
699	\
700	req->callback = SvREFCNT_inc (cb_cv); \
701	req->pri = req_pri
702		821
703	#define REQ_SEND \	822	#define REQ_SEND \
704	PUTBACK; \	823	PUTBACK; \
705	req_submit (req); \	824	req_submit (req); \
706	SPAGAIN; \	825	SPAGAIN; \
707	\	826	\
708	if (GIMME_V != G_VOID) \	827	if (GIMME_V != G_VOID) \
709	XPUSHs (req_sv (req, aio_req_stash));	828	XPUSHs (req_sv (req, aio_req_stash));
710		829
		830	ecb_inline void
		831	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		832	{
		833	if (expect_false (SvROK (path)))
		834	{
		835	SV *rv = SvRV (path);
		836	SV *wdob;
		837
		838	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		839	{
		840	path = AvARRAY (rv)[1];
		841	wdob = AvARRAY (rv)[0];
		842
		843	if (SvOK (wdob))
		844	{
		845	*wd = SvAIO_WD (wdob);
		846	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		847	}
		848	else
		849	*wd = EIO_INVALID_WD;
		850	}
		851	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		852	{
		853	*wd = (aio_wd)(long)SvIVX (rv);
		854	*wdsv = SvREFCNT_inc_NN (rv);
		855	*ptr = ".";
		856	return; /* path set to "." */
		857	}
		858	else
		859	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		860	}
		861
		862	*pathsv = newSVsv (path);
		863	*ptr = SvPVbyte_nolen (*pathsv);
		864	}
		865
		866	static void ecb_noinline
		867	req_set_path1 (aio_req req, SV *path)
		868	{
		869	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		870	}
		871
		872	static void ecb_noinline
		873	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		874	{
		875	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		876
		877	switch (SvTYPE (rv))
		878	{
		879	case SVt_PVIO:
		880	case SVt_PVLV:
		881	case SVt_PVGV:
		882	req->type = type_fh;
		883	req->sv1 = newSVsv (fh_or_path);
		884	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		885	break;
		886
		887	default:
		888	req->type = type_path;
		889	req_set_path1 (req, fh_or_path);
		890	break;
		891	}
		892	}
		893
		894	XS(boot_IO__AIO) ecb_cold;
		895
711	MODULE = IO::AIO PACKAGE = IO::AIO	896	MODULE = IO::AIO PACKAGE = IO::AIO
712		897
713	PROTOTYPES: ENABLE	898	PROTOTYPES: ENABLE
714		899
715	BOOT:	900	BOOT:
…		…
719	IV iv;	904	IV iv;
720	} *civ, const_iv[] = {	905	} *civ, const_iv[] = {
721	# define const_niv(name, value) { # name, (IV) value },	906	# define const_niv(name, value) { # name, (IV) value },
722	# define const_iv(name) { # name, (IV) name },	907	# define const_iv(name) { # name, (IV) name },
723	# define const_eio(name) { # name, (IV) EIO_ ## name },	908	# define const_eio(name) { # name, (IV) EIO_ ## name },
		909
		910	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		911
		912	const_iv (ENOSYS)
724	const_iv (EXDEV)	913	const_iv (EXDEV)
725	const_iv (ENOSYS)	914	const_iv (EBADR)
		915
726	const_iv (O_RDONLY)	916	const_iv (O_RDONLY)
727	const_iv (O_WRONLY)	917	const_iv (O_WRONLY)
728	const_iv (O_RDWR)	918	const_iv (O_RDWR)
729	const_iv (O_CREAT)	919	const_iv (O_CREAT)
730	const_iv (O_TRUNC)	920	const_iv (O_TRUNC)
731	const_iv (O_EXCL)	921	const_iv (O_EXCL)
732	const_iv (O_APPEND)	922	const_iv (O_APPEND)
733	#ifndef _WIN32	923
		924	const_iv (O_ASYNC)
		925	const_iv (O_DIRECT)
		926	const_iv (O_NOATIME)
		927
		928	const_iv (O_CLOEXEC)
		929	const_iv (O_NOCTTY)
		930	const_iv (O_NOFOLLOW)
		931	const_iv (O_NONBLOCK)
		932	const_iv (O_EXEC)
		933	const_iv (O_SEARCH)
		934	const_iv (O_DIRECTORY)
		935	const_iv (O_DSYNC)
		936	const_iv (O_RSYNC)
		937	const_iv (O_SYNC)
		938	const_iv (O_TTY_INIT)
		939
734	const_iv (S_IFIFO)	940	const_iv (S_IFIFO)
735	#endif	941	const_iv (S_IFCHR)
		942	const_iv (S_IFBLK)
		943	const_iv (S_IFLNK)
		944	const_iv (S_IFREG)
		945	const_iv (S_IFDIR)
		946	const_iv (S_IFWHT)
		947	const_iv (S_IFSOCK)
		948	const_iv (S_IFMT)
		949
736	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	950	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
737	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	951	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
738	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	952	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
739	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	953	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
740	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	954	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
774	const_iv (MAP_LOCKED)	988	const_iv (MAP_LOCKED)
775	const_iv (MAP_NORESERVE)	989	const_iv (MAP_NORESERVE)
776	const_iv (MAP_POPULATE)	990	const_iv (MAP_POPULATE)
777	const_iv (MAP_NONBLOCK)	991	const_iv (MAP_NONBLOCK)
778		992
		993	const_iv (FIEMAP_FLAG_SYNC)
		994	const_iv (FIEMAP_FLAG_XATTR)
		995	const_iv (FIEMAP_FLAGS_COMPAT)
		996	const_iv (FIEMAP_EXTENT_LAST)
		997	const_iv (FIEMAP_EXTENT_UNKNOWN)
		998	const_iv (FIEMAP_EXTENT_DELALLOC)
		999	const_iv (FIEMAP_EXTENT_ENCODED)
		1000	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1001	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1002	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1003	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1004	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1005	const_iv (FIEMAP_EXTENT_MERGED)
		1006	const_iv (FIEMAP_EXTENT_SHARED)
		1007
		1008	const_iv (SPLICE_F_MOVE)
		1009	const_iv (SPLICE_F_NONBLOCK)
		1010	const_iv (SPLICE_F_MORE)
		1011	const_iv (SPLICE_F_GIFT)
		1012
		1013	const_iv (SEEK_DATA)
		1014	const_iv (SEEK_HOLE)
		1015
		1016	/* libeio constants */
		1017	const_eio (SEEK_SET)
		1018	const_eio (SEEK_CUR)
		1019	const_eio (SEEK_END)
		1020
779	const_iv (MCL_FUTURE)	1021	const_eio (MCL_FUTURE)
780	const_iv (MCL_CURRENT)	1022	const_eio (MCL_CURRENT)
781		1023
782	const_eio (MS_ASYNC)	1024	const_eio (MS_ASYNC)
783	const_eio (MS_INVALIDATE)	1025	const_eio (MS_INVALIDATE)
784	const_eio (MS_SYNC)	1026	const_eio (MS_SYNC)
785		1027
786	const_eio (MT_MODIFY)	1028	const_eio (MT_MODIFY)
787		1029
788	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1030	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
789	const_eio (SYNC_FILE_RANGE_WRITE)	1031	const_eio (SYNC_FILE_RANGE_WRITE)
790	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1032	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1033
		1034	const_eio (FALLOC_FL_KEEP_SIZE)
		1035	const_eio (FALLOC_FL_PUNCH_HOLE)
		1036	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1037	const_eio (FALLOC_FL_ZERO_RANGE)
791		1038
792	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
793	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
794	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
795	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
806	};	1053	};
807		1054
808	aio_stash = gv_stashpv ("IO::AIO" , 1);	1055	aio_stash = gv_stashpv ("IO::AIO" , 1);
809	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1056	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1057	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1058	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
811		1059
812	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1060	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
813	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
814		1062
815	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
816		1064
817	create_respipe ();	1065	reinit ();
818
819	if (eio_init (want_poll, done_poll) < 0)
820	croak ("IO::AIO: unable to initialise eio library");
821
822	/* atfork child called in fifo order, so before eio's handler */
823	X_THREAD_ATFORK (0, 0, atfork_child);
824	}	1066	}
825		1067
826	void	1068	void
		1069	reinit ()
		1070	PROTOTYPE:
		1071
		1072	void
827	max_poll_reqs (int nreqs)	1073	max_poll_reqs (unsigned int nreqs)
828	PROTOTYPE: $	1074	PROTOTYPE: $
829	CODE:	1075	CODE:
830	eio_set_max_poll_reqs (nreqs);	1076	eio_set_max_poll_reqs (nreqs);
831		1077
832	void	1078	void
…		…
834	PROTOTYPE: $	1080	PROTOTYPE: $
835	CODE:	1081	CODE:
836	eio_set_max_poll_time (nseconds);	1082	eio_set_max_poll_time (nseconds);
837		1083
838	void	1084	void
839	min_parallel (int nthreads)	1085	min_parallel (unsigned int nthreads)
840	PROTOTYPE: $	1086	PROTOTYPE: $
841	CODE:	1087	CODE:
842	eio_set_min_parallel (nthreads);	1088	eio_set_min_parallel (nthreads);
843		1089
844	void	1090	void
845	max_parallel (int nthreads)	1091	max_parallel (unsigned int nthreads)
846	PROTOTYPE: $	1092	PROTOTYPE: $
847	CODE:	1093	CODE:
848	eio_set_max_parallel (nthreads);	1094	eio_set_max_parallel (nthreads);
849		1095
850	void	1096	void
851	max_idle (int nthreads)	1097	max_idle (unsigned int nthreads)
852	PROTOTYPE: $	1098	PROTOTYPE: $
853	CODE:	1099	CODE:
854	eio_set_max_idle (nthreads);	1100	eio_set_max_idle (nthreads);
855		1101
856	void	1102	void
		1103	idle_timeout (unsigned int seconds)
		1104	PROTOTYPE: $
		1105	CODE:
		1106	eio_set_idle_timeout (seconds);
		1107
		1108	void
857	max_outstanding (int maxreqs)	1109	max_outstanding (unsigned int maxreqs)
858	PROTOTYPE: $	1110	PROTOTYPE: $
859	CODE:	1111	CODE:
860	max_outstanding = maxreqs;	1112	max_outstanding = maxreqs;
861		1113
862	void	1114	void
863	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1115	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
864	PROTOTYPE: $$$;$
865	PPCODE:	1116	PPCODE:
866	{	1117	{
867	dREQ;	1118	dREQ;
868		1119
		1120	req->type = EIO_WD_OPEN;
		1121	req_set_path1 (req, pathname);
		1122
		1123	REQ_SEND;
		1124	}
		1125
		1126	void
		1127	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1128	PPCODE:
		1129	{
		1130	dREQ;
		1131
869	req->type = EIO_OPEN;	1132	req->type = EIO_OPEN;
870	req->sv1 = newSVsv (pathname);	1133	req_set_path1 (req, pathname);
871	req->ptr1 = SvPVbyte_nolen (req->sv1);
872	req->int1 = flags;	1134	req->int1 = flags;
873	req->int2 = mode;	1135	req->int2 = mode;
874		1136
875	REQ_SEND;	1137	REQ_SEND;
876	}	1138	}
877		1139
878	void	1140	void
879	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1141	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
880	PROTOTYPE: $;$
881	ALIAS:	1142	ALIAS:
882	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
883	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
		1145	aio_syncfs = EIO_SYNCFS
884	PPCODE:	1146	PPCODE:
885	{	1147	{
886	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
887	dREQ;	1149	dREQ;
888		1150
889	req->type = ix;	1151	req->type = ix;
890	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
891	req->int1 = fd;	1153	req->int1 = fd;
892		1154
893	REQ_SEND (req);	1155	REQ_SEND;
894	}	1156	}
895		1157
896	void	1158	void
897	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1159	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
898	PROTOTYPE: $$$$;$
899	PPCODE:	1160	PPCODE:
900	{	1161	{
901	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
902	dREQ;	1163	dREQ;
903		1164
904	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
905	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
906	req->int1 = fd;	1167	req->int1 = fd;
907	req->offs = offset;	1168	req->offs = offset;
908	req->size = nbytes;	1169	req->size = nbytes;
909	req->int2 = flags;	1170	req->int2 = flags;
910		1171
911	REQ_SEND (req);	1172	REQ_SEND;
912	}	1173	}
913		1174
914	void	1175	void
915	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1176	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
916	PROTOTYPE: $;$
917	PPCODE:	1177	PPCODE:
918	{	1178	{
919	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920	int fd = s_fileno_croak (fh, 0);	1179	int fd = s_fileno_croak (fh, 0);
921	dREQ;	1180	dREQ;
922		1181
923	if (close_pipe < 0)	1182	req->type = EIO_FALLOCATE;
		1183	req->sv1 = newSVsv (fh);
		1184	req->int1 = fd;
		1185	req->int2 = mode;
		1186	req->offs = offset;
		1187	req->size = len;
		1188
		1189	REQ_SEND;
		1190	}
		1191
		1192	void
		1193	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1194	PPCODE:
		1195	{
		1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1197	int fd = s_fileno_croak (fh, 0);
		1198	dREQ;
		1199
		1200	if (expect_false (close_fd < 0))
924	{	1201	{
925	int pipefd [2];	1202	int pipefd [2];
926		1203
		1204	if (
		1205	#ifdef _WIN32
		1206	_pipe (pipefd, 1, _O_BINARY) < 0
		1207	#else
927	if (pipe (pipefd) < 0	1208	pipe (pipefd) < 0
928	|| close (pipefd [1]) < 0
929	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1209	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1210	#endif
		1211	|| close (pipefd [1]) < 0
		1212	)
930	abort (); /*D*/	1213	abort (); /*D*/
931		1214
932	close_pipe = pipefd [0];	1215	close_fd = pipefd [0];
933	}	1216	}
934		1217
935	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
936	req->int1 = close_pipe;	1219	req->int1 = close_fd;
937	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
938	req->int2 = fd;	1221	req->int2 = fd;
939		1222
940	REQ_SEND (req);	1223	REQ_SEND;
941	}	1224	}
942		1225
943	void	1226	void
		1227	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1228	PPCODE:
		1229	{
		1230	int fd = s_fileno_croak (fh, 0);
		1231	dREQ;
		1232
		1233	req->type = EIO_SEEK;
		1234	req->sv1 = newSVsv (fh);
		1235	req->int1 = fd;
		1236	req->offs = SvVAL64 (offset);
		1237	req->int2 = whence;
		1238
		1239	REQ_SEND;
		1240	}
		1241
		1242	void
944	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1243	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
945	ALIAS:	1244	ALIAS:
946	aio_read = EIO_READ	1245	aio_read = EIO_READ
947	aio_write = EIO_WRITE	1246	aio_write = EIO_WRITE
948	PROTOTYPE: $$$$$;$
949	PPCODE:	1247	PPCODE:
950	{	1248	{
951	STRLEN svlen;	1249	STRLEN svlen;
952	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1250	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953	char *svptr = SvPVbyte (data, svlen);	1251	char *svptr = SvPVbyte (data, svlen);
…		…
966	len = svlen - dataoffset;	1264	len = svlen - dataoffset;
967	}	1265	}
968	else	1266	else
969	{	1267	{
970	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
971	SvUPGRADE (data, SVt_PV);	1269	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
972	svptr = SvGROW (data, len + dataoffset + 1);	1270	svptr = sv_grow (data, len + dataoffset + 1);
		1271	else if (SvCUR (data) < len + dataoffset)
		1272	croak ("length + dataoffset outside of scalar, and cannot grow");
973	}	1273	}
974		1274
975	{	1275	{
976	dREQ;	1276	dREQ;
977		1277
…		…
993	REQ_SEND;	1293	REQ_SEND;
994	}	1294	}
995	}	1295	}
996		1296
997	void	1297	void
998	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1298	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
999	PROTOTYPE: $$;$	1299	ALIAS:
		1300	aio_readlink = EIO_READLINK
		1301	aio_realpath = EIO_REALPATH
1000	PPCODE:	1302	PPCODE:
1001	{	1303	{
1002	SV *data;
1003	dREQ;	1304	dREQ;
1004		1305
1005	req->type = EIO_READLINK;	1306	req->type = ix;
1006	req->sv1 = newSVsv (path);	1307	req_set_path1 (req, pathname);
1007	req->ptr1 = SvPVbyte_nolen (req->sv1);
1008		1308
1009	REQ_SEND;	1309	REQ_SEND;
1010	}	1310	}
1011		1311
1012	void	1312	void
1013	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1313	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1014	PROTOTYPE: $$$$;$
1015	PPCODE:	1314	PPCODE:
1016	{	1315	{
1017	int ifd = s_fileno_croak (in_fh , 0);	1316	int ifd = s_fileno_croak (in_fh , 0);
1018	int ofd = s_fileno_croak (out_fh, 1);	1317	int ofd = s_fileno_croak (out_fh, 1);
1019	dREQ;	1318	dREQ;
1020		1319
1021	req->type = EIO_SENDFILE;	1320	req->type = EIO_SENDFILE;
1022	req->sv1 = newSVsv (out_fh);	1321	req->sv1 = newSVsv (out_fh);
1023	req->int1 = ofd;	1322	req->int1 = ofd;
…		…
1028		1327
1029	REQ_SEND;	1328	REQ_SEND;
1030	}	1329	}
1031		1330
1032	void	1331	void
1033	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1332	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1034	PROTOTYPE: $$$;$
1035	PPCODE:	1333	PPCODE:
1036	{	1334	{
1037	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1038	dREQ;	1336	dREQ;
1039		1337
1040	req->type = EIO_READAHEAD;	1338	req->type = EIO_READAHEAD;
1041	req->sv1 = newSVsv (fh);	1339	req->sv1 = newSVsv (fh);
1042	req->int1 = fd;	1340	req->int1 = fd;
…		…
1045		1343
1046	REQ_SEND;	1344	REQ_SEND;
1047	}	1345	}
1048		1346
1049	void	1347	void
1050	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1348	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1051	ALIAS:	1349	ALIAS:
1052	aio_stat = EIO_STAT	1350	aio_stat = EIO_STAT
1053	aio_lstat = EIO_LSTAT	1351	aio_lstat = EIO_LSTAT
1054	aio_statvfs = EIO_STATVFS	1352	aio_statvfs = EIO_STATVFS
1055	PPCODE:	1353	PPCODE:
1056	{	1354	{
1057	dREQ;	1355	dREQ;
1058		1356
1059	req->sv1 = newSVsv (fh_or_path);	1357	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1060
1061	if (SvPOK (req->sv1))
1062	{
1063	req->type = ix;
1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
1065	}
1066	else
1067	{
1068	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070	}
1071		1358
1072	REQ_SEND;	1359	REQ_SEND;
1073	}	1360	}
1074		1361
		1362	UV
		1363	major (UV dev)
		1364	ALIAS:
		1365	minor = 1
		1366	CODE:
		1367	RETVAL = ix ? major (dev) : minor (dev);
		1368	OUTPUT:
		1369	RETVAL
		1370
		1371	UV
		1372	makedev (UV maj, UV min)
		1373	CODE:
		1374	RETVAL = makedev (maj, min);
		1375	OUTPUT:
		1376	RETVAL
		1377
1075	void	1378	void
1076	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1379	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1077	PPCODE:	1380	PPCODE:
1078	{	1381	{
1079	dREQ;	1382	dREQ;
1080		1383
1081	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1384	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1082	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1385	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1083	req->sv1 = newSVsv (fh_or_path);	1386	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1084
1085	if (SvPOK (req->sv1))
1086	{
1087	req->type = EIO_UTIME;
1088	req->ptr1 = SvPVbyte_nolen (req->sv1);
1089	}
1090	else
1091	{
1092	req->type = EIO_FUTIME;
1093	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1094	}
1095		1387
1096	REQ_SEND;	1388	REQ_SEND;
1097	}	1389	}
1098		1390
1099	void	1391	void
1100	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1392	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1101	PPCODE:	1393	PPCODE:
1102	{	1394	{
1103	dREQ;	1395	dREQ;
1104		1396
1105	req->sv1 = newSVsv (fh_or_path);
1106	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1397	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1107		1398	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1108	if (SvPOK (req->sv1))
1109	{
1110	req->type = EIO_TRUNCATE;
1111	req->ptr1 = SvPVbyte_nolen (req->sv1);
1112	}
1113	else
1114	{
1115	req->type = EIO_FTRUNCATE;
1116	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1117	}
1118		1399
1119	REQ_SEND;	1400	REQ_SEND;
1120	}	1401	}
1121		1402
1122	void	1403	void
1123	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1404	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1124	ALIAS:
1125	aio_chmod = EIO_CHMOD
1126	aio_mkdir = EIO_MKDIR
1127	PPCODE:	1405	PPCODE:
1128	{	1406	{
1129	dREQ;	1407	dREQ;
1130		1408
1131	req->int2 = mode;	1409	req->int2 = mode;
1132	req->sv1 = newSVsv (fh_or_path);	1410	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1133
1134	if (SvPOK (req->sv1))
1135	{
1136	req->type = ix;
1137	req->ptr1 = SvPVbyte_nolen (req->sv1);
1138	}
1139	else
1140	{
1141	req->type = EIO_FCHMOD;
1142	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1143	}
1144		1411
1145	REQ_SEND;	1412	REQ_SEND;
1146	}	1413	}
1147		1414
1148	void	1415	void
1149	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1416	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1150	PPCODE:	1417	PPCODE:
1151	{	1418	{
1152	dREQ;	1419	dREQ;
1153		1420
1154	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1421	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1155	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1422	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1156	req->sv1 = newSVsv (fh_or_path);	1423	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1157
1158	if (SvPOK (req->sv1))
1159	{
1160	req->type = EIO_CHOWN;
1161	req->ptr1 = SvPVbyte_nolen (req->sv1);
1162	}
1163	else
1164	{
1165	req->type = EIO_FCHOWN;
1166	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1167	}
1168		1424
1169	REQ_SEND;	1425	REQ_SEND;
1170	}	1426	}
1171		1427
1172	void	1428	void
1173	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1429	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1174	PPCODE:	1430	PPCODE:
1175	{	1431	{
1176	dREQ;	1432	dREQ;
1177		1433
1178	req->type = EIO_READDIR;	1434	req->type = EIO_READDIR;
1179	req->sv1 = newSVsv (pathname);
1180	req->ptr1 = SvPVbyte_nolen (req->sv1);
1181	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1435	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1182		1436
1183	if (flags & EIO_READDIR_DENTS)	1437	if (flags & EIO_READDIR_DENTS)
1184	req->int1 |= EIO_READDIR_CUSTOM2;	1438	req->int1 |= EIO_READDIR_CUSTOM2;
1185		1439
		1440	req_set_path1 (req, pathname);
		1441
1186	REQ_SEND;	1442	REQ_SEND;
1187	}	1443	}
1188		1444
1189	void	1445	void
		1446	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1447	PPCODE:
		1448	{
		1449	dREQ;
		1450
		1451	req->type = EIO_MKDIR;
		1452	req->int2 = mode;
		1453	req_set_path1 (req, pathname);
		1454
		1455	REQ_SEND;
		1456	}
		1457
		1458	void
1190	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1459	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1191	ALIAS:	1460	ALIAS:
1192	aio_unlink = EIO_UNLINK	1461	aio_unlink = EIO_UNLINK
1193	aio_rmdir = EIO_RMDIR	1462	aio_rmdir = EIO_RMDIR
1194	aio_readdir = EIO_READDIR	1463	aio_readdir = EIO_READDIR
1195	PPCODE:	1464	PPCODE:
1196	{	1465	{
1197	dREQ;	1466	dREQ;
1198		1467
1199	req->type = ix;	1468	req->type = ix;
1200	req->sv1 = newSVsv (pathname);	1469	req_set_path1 (req, pathname);
1201	req->ptr1 = SvPVbyte_nolen (req->sv1);
1202		1470
1203	REQ_SEND;	1471	REQ_SEND;
1204	}	1472	}
1205		1473
1206	void	1474	void
1207	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1475	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1208	ALIAS:	1476	ALIAS:
1209	aio_link = EIO_LINK	1477	aio_link = EIO_LINK
1210	aio_symlink = EIO_SYMLINK	1478	aio_symlink = EIO_SYMLINK
1211	aio_rename = EIO_RENAME	1479	aio_rename = EIO_RENAME
1212	PPCODE:	1480	PPCODE:
1213	{	1481	{
		1482	eio_wd wd2 = 0;
1214	dREQ;	1483	dREQ;
1215		1484
1216	req->type = ix;	1485	req->type = ix;
1217	req->sv1 = newSVsv (oldpath);	1486	req_set_path1 (req, oldpath);
1218	req->ptr1 = SvPVbyte_nolen (req->sv1);	1487	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1219	req->sv2 = newSVsv (newpath);	1488	req->int3 = (long)wd2;
1220	req->ptr2 = SvPVbyte_nolen (req->sv2);
1221		1489
1222	REQ_SEND;	1490	REQ_SEND;
1223	}	1491	}
1224		1492
1225	void	1493	void
1226	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1494	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1227	PPCODE:	1495	PPCODE:
1228	{	1496	{
1229	dREQ;	1497	dREQ;
1230		1498
1231	req->type = EIO_MKNOD;	1499	req->type = EIO_MKNOD;
1232	req->sv1 = newSVsv (pathname);
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	req->int2 = (mode_t)mode;	1500	req->int2 = (mode_t)mode;
1235	req->offs = dev;	1501	req->offs = dev;
		1502	req_set_path1 (req, pathname);
1236		1503
1237	REQ_SEND;	1504	REQ_SEND;
1238	}	1505	}
1239		1506
1240	void	1507	void
1241	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1508	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1242	ALIAS:	1509	ALIAS:
1243	aio_mtouch = EIO_MTOUCH	1510	aio_mtouch = EIO_MTOUCH
1244	aio_msync = EIO_MSYNC	1511	aio_msync = EIO_MSYNC
1245	PROTOTYPE: $$$$;$
1246	PPCODE:	1512	PPCODE:
1247	{	1513	{
1248	STRLEN svlen;	1514	STRLEN svlen;
		1515	char *svptr = SvPVbyte (data, svlen);
1249	UV len = SvUV (length);	1516	UV len = SvUV (length);
1250	char *svptr = SvPVbyte (data, svlen);
1251		1517
1252	if (offset < 0)	1518	if (offset < 0)
1253	offset += svlen;	1519	offset += svlen;
1254		1520
1255	if (offset < 0 || offset > svlen)	1521	if (offset < 0 || offset > svlen)
…		…
1260		1526
1261	{	1527	{
1262	dREQ;	1528	dREQ;
1263		1529
1264	req->type = ix;	1530	req->type = ix;
1265	req->size = len;
1266	req->sv2 = SvREFCNT_inc (data);	1531	req->sv2 = SvREFCNT_inc (data);
1267	req->ptr2 = (char *)svptr + offset;	1532	req->ptr2 = (char *)svptr + offset;
		1533	req->size = len;
1268	req->int1 = flags;	1534	req->int1 = flags;
1269		1535
1270	REQ_SEND;	1536	REQ_SEND;
1271	}	1537	}
1272	}	1538	}
1273		1539
1274	void	1540	void
		1541	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1542	PPCODE:
		1543	{
		1544	STRLEN svlen;
		1545	char *svptr = SvPVbyte (data, svlen);
		1546	UV len = SvUV (length);
		1547
		1548	if (offset < 0)
		1549	offset += svlen;
		1550
		1551	if (offset < 0 || offset > svlen)
		1552	croak ("offset outside of scalar");
		1553
		1554	if (!SvOK (length) || len + offset > svlen)
		1555	len = svlen - offset;
		1556
		1557	{
		1558	dREQ;
		1559
		1560	req->type = EIO_MLOCK;
		1561	req->sv2 = SvREFCNT_inc (data);
		1562	req->ptr2 = (char *)svptr + offset;
		1563	req->size = len;
		1564
		1565	REQ_SEND;
		1566	}
		1567	}
		1568
		1569	void
		1570	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1571	PPCODE:
		1572	{
		1573	dREQ;
		1574
		1575	req->type = EIO_MLOCKALL;
		1576	req->int1 = flags;
		1577
		1578	REQ_SEND;
		1579	}
		1580
		1581	void
		1582	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1583	PPCODE:
		1584	{
		1585	int fd = s_fileno_croak (fh, 0);
		1586	dREQ;
		1587
		1588	req->type = EIO_CUSTOM;
		1589	req->sv1 = newSVsv (fh);
		1590	req->int1 = fd;
		1591
		1592	req->feed = fiemap;
		1593	#if HAVE_FIEMAP
		1594	/* keep our fingers crossed that the next two types are 64 bit */
		1595	req->offs = start;
		1596	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1597	req->int2 = flags;
		1598	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1599	#endif
		1600
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
1275	aio_busy (double delay, SV *callback=&PL_sv_undef)	1605	aio_busy (double delay, SV *callback = &PL_sv_undef)
1276	PPCODE:	1606	PPCODE:
1277	{	1607	{
1278	dREQ;	1608	dREQ;
1279		1609
1280	req->type = EIO_BUSY;	1610	req->type = EIO_BUSY;
…		…
1282		1612
1283	REQ_SEND;	1613	REQ_SEND;
1284	}	1614	}
1285		1615
1286	void	1616	void
1287	aio_group (SV *callback=&PL_sv_undef)	1617	aio_group (SV *callback = &PL_sv_undef)
1288	PROTOTYPE: ;$
1289	PPCODE:	1618	PPCODE:
1290	{	1619	{
1291	dREQ;	1620	dREQ;
1292		1621
1293	req->type = EIO_GROUP;	1622	req->type = EIO_GROUP;
1294		1623
		1624	PUTBACK;
1295	req_submit (req);	1625	req_submit (req);
		1626	SPAGAIN;
		1627
1296	XPUSHs (req_sv (req, aio_grp_stash));	1628	XPUSHs (req_sv (req, aio_grp_stash));
1297	}	1629	}
1298		1630
1299	void	1631	void
1300	aio_nop (SV *callback=&PL_sv_undef)	1632	aio_nop (SV *callback = &PL_sv_undef)
1301	ALIAS:	1633	ALIAS:
1302	aio_nop = EIO_NOP	1634	aio_nop = EIO_NOP
1303	aio_sync = EIO_SYNC	1635	aio_sync = EIO_SYNC
1304	PPCODE:	1636	PPCODE:
1305	{	1637	{
…		…
1309		1641
1310	REQ_SEND;	1642	REQ_SEND;
1311	}	1643	}
1312		1644
1313	int	1645	int
1314	aioreq_pri (int pri = 0)	1646	aioreq_pri (int pri = NO_INIT)
1315	PROTOTYPE: ;$
1316	CODE:	1647	CODE:
1317	RETVAL = next_pri;	1648	RETVAL = next_pri;
1318	if (items > 0)	1649	if (items > 0)
1319	{	1650	{
1320	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1651	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1332	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1663	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333	next_pri = nice;	1664	next_pri = nice;
1334		1665
1335	void	1666	void
1336	flush ()	1667	flush ()
1337	PROTOTYPE:
1338	CODE:	1668	CODE:
1339	while (eio_nreqs ())	1669	while (eio_nreqs ())
1340	{	1670	{
1341	poll_wait ();	1671	poll_wait ();
1342	poll_cb ();	1672	poll_cb ();
1343	}	1673	}
1344		1674
1345	int	1675	int
1346	poll()	1676	poll ()
1347	PROTOTYPE:
1348	CODE:	1677	CODE:
1349	poll_wait ();	1678	poll_wait ();
1350	RETVAL = poll_cb ();	1679	RETVAL = poll_cb ();
1351	OUTPUT:	1680	OUTPUT:
1352	RETVAL	1681	RETVAL
1353		1682
1354	int	1683	int
1355	poll_fileno()	1684	poll_fileno ()
1356	PROTOTYPE:
1357	CODE:	1685	CODE:
1358	RETVAL = s_epipe_fd (&respipe);	1686	RETVAL = s_epipe_fd (&respipe);
1359	OUTPUT:	1687	OUTPUT:
1360	RETVAL	1688	RETVAL
1361		1689
1362	int	1690	int
1363	poll_cb(...)	1691	poll_cb (...)
1364	PROTOTYPE:	1692	PROTOTYPE:
1365	CODE:	1693	CODE:
1366	RETVAL = poll_cb ();	1694	RETVAL = poll_cb ();
1367	OUTPUT:	1695	OUTPUT:
1368	RETVAL	1696	RETVAL
1369		1697
1370	void	1698	void
1371	poll_wait()	1699	poll_wait ()
1372	PROTOTYPE:
1373	CODE:	1700	CODE:
1374	poll_wait ();	1701	poll_wait ();
1375		1702
1376	int	1703	int
1377	nreqs()	1704	nreqs ()
1378	PROTOTYPE:
1379	CODE:	1705	CODE:
1380	RETVAL = eio_nreqs ();	1706	RETVAL = eio_nreqs ();
1381	OUTPUT:	1707	OUTPUT:
1382	RETVAL	1708	RETVAL
1383		1709
1384	int	1710	int
1385	nready()	1711	nready ()
1386	PROTOTYPE:
1387	CODE:	1712	CODE:
1388	RETVAL = eio_nready ();	1713	RETVAL = eio_nready ();
1389	OUTPUT:	1714	OUTPUT:
1390	RETVAL	1715	RETVAL
1391		1716
1392	int	1717	int
1393	npending()	1718	npending ()
1394	PROTOTYPE:
1395	CODE:	1719	CODE:
1396	RETVAL = eio_npending ();	1720	RETVAL = eio_npending ();
1397	OUTPUT:	1721	OUTPUT:
1398	RETVAL	1722	RETVAL
1399		1723
1400	int	1724	int
1401	nthreads()	1725	nthreads ()
1402	PROTOTYPE:
1403	CODE:	1726	CODE:
1404	RETVAL = eio_nthreads ();	1727	RETVAL = eio_nthreads ();
1405	OUTPUT:	1728	OUTPUT:
1406	RETVAL	1729	RETVAL
1407		1730
1408	int	1731	int
1409	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1732	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410	PROTOTYPE: $$$$
1411	CODE:	1733	CODE:
1412	RETVAL = posix_fadvise (fh, offset, length, advice);	1734	RETVAL = posix_fadvise (fh, offset, length, advice);
1413	OUTPUT:	1735	OUTPUT:
1414	RETVAL	1736	RETVAL
1415		1737
1416	ssize_t	1738	IV
1417	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1739	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418	PROTOTYPE: $$$$
1419	CODE:	1740	CODE:
1420	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1741	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421	OUTPUT:	1742	OUTPUT:
1422	RETVAL	1743	RETVAL
1423		1744
1424	void	1745	void
1425	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1746	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1426	PROTOTYPE: $$$$$;$
1427	PPCODE:	1747	PPCODE:
1428	sv_unmagic (scalar, MMAP_MAGIC);	1748	sv_unmagic (scalar, MMAP_MAGIC);
1429	{	1749	{
1430	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1751	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1454	XSRETURN_YES;	1774	XSRETURN_YES;
1455	}	1775	}
1456		1776
1457	void	1777	void
1458	munmap (SV *scalar)	1778	munmap (SV *scalar)
1459	PROTOTYPE: $
1460	CODE:	1779	CODE:
1461	sv_unmagic (scalar, MMAP_MAGIC);	1780	sv_unmagic (scalar, MMAP_MAGIC);
1462		1781
1463	int	1782	int
1464	madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)	1783	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465	ALIAS:	1784	ALIAS:
1466	mprotect = 1	1785	mprotect = 1
1467	PROTOTYPE: $$$$
1468	CODE:	1786	CODE:
1469	{	1787	{
1470	STRLEN cur;	1788	STRLEN svlen;
1471	char *addr = SvPVbyte (scalar, cur);	1789	void *addr = SvPVbyte (scalar, svlen);
		1790	STRLEN len = SvUV (length);
1472		1791
1473	if (offset > cur)	1792	if (offset < 0)
1474	RETVAL = errno = EFAULT;	1793	offset += svlen;
1475	else	1794
		1795	if (offset < 0 || offset > svlen)
		1796	croak ("offset outside of scalar");
		1797
		1798	if (!SvOK (length) || len + offset > svlen)
		1799	len = svlen - offset;
		1800
		1801	addr = (void *)(((intptr_t)addr) + offset);
		1802	eio_page_align (&addr, &len);
		1803
		1804	switch (ix)
1476	{	1805	{
1477	if (!SvOK (ST (2)))
1478	length = cur - offset;
1479
1480	if (offset + length > cur)
1481	RETVAL = errno = EFAULT;
1482	else
1483	switch (ix)
1484	{
1485	case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break;	1806	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486	case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;	1807	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487	}
1488	}	1808	}
1489	}	1809	}
1490	OUTPUT:	1810	OUTPUT:
1491	RETVAL	1811	RETVAL
1492		1812
1493	int	1813	int
1494	mlockall (int flags)	1814	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1495	PROTOTYPE: $
1496	CODE:	1815	CODE:
		1816	{
		1817	STRLEN svlen;
		1818	void *addr = SvPVbyte (scalar, svlen);
		1819	size_t len = SvUV (length);
		1820
		1821	if (offset < 0)
		1822	offset += svlen;
		1823
		1824	if (offset < 0 || offset > svlen)
		1825	croak ("offset outside of scalar");
		1826
		1827	if (!SvOK (length) || len + offset > svlen)
		1828	len = svlen - offset;
		1829
		1830	addr = (void *)(((intptr_t)addr) + offset);
		1831	eio_page_align (&addr, &len);
1497	#if _POSIX_MEMLOCK	1832	#if _POSIX_MEMLOCK_RANGE
1498	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1833	RETVAL = munlock (addr, len);
1499	extern int mallopt (int, int);
1500	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501	#endif
1502	mlockall (flags);
1503	#else	1834	#else
1504	RETVAL = -1;	1835	RETVAL = EIO_ENOSYS ();
1505	errno = ENOSYS;
1506	#endif	1836	#endif
		1837	}
1507	OUTPUT:	1838	OUTPUT:
1508	RETVAL	1839	RETVAL
1509		1840
1510	int	1841	int
1511	munlockall ()	1842	munlockall ()
1512	PROTOTYPE:
1513	CODE:	1843	CODE:
1514	#if _POSIX_MEMLOCK	1844	#if _POSIX_MEMLOCK
1515	munlockall ();	1845	munlockall ();
1516	#else	1846	#else
1517	RETVAL = -1;	1847	RETVAL = EIO_ENOSYS ();
1518	errno = ENOSYS;
1519	#endif	1848	#endif
1520	OUTPUT:	1849	OUTPUT:
1521	RETVAL	1850	RETVAL
		1851
		1852	int
		1853	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1854	CODE:
		1855	{
		1856	#if HAVE_LINUX_SPLICE
		1857	loff_t off_in_, off_out_;
		1858	RETVAL = splice (
		1859	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1860	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1861	length, flags
		1862	);
		1863	#else
		1864	RETVAL = EIO_ENOSYS ();
		1865	#endif
		1866	}
		1867	OUTPUT:
		1868	RETVAL
		1869
		1870	int
		1871	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1872	CODE:
		1873	#if HAVE_LINUX_SPLICE
		1874	RETVAL = tee (rfh, wfh, length, flags);
		1875	#else
		1876	RETVAL = EIO_ENOSYS ();
		1877	#endif
		1878	OUTPUT:
		1879	RETVAL
		1880
		1881	int
		1882	pipesize (aio_rfd rfh, int new_size = -1)
		1883	PROTOTYPE: $;$
		1884	CODE:
		1885	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1886	if (new_size >= 0)
		1887	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1888	else
		1889	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1890	#else
		1891	errno = ENOSYS;
		1892	RETVAL = -1;
		1893	#endif
		1894	OUTPUT:
		1895	RETVAL
		1896
		1897	void
		1898	pipe2 (int flags = 0)
		1899	PROTOTYPE: ;$
		1900	PPCODE:
		1901	{
		1902	int fd[2];
		1903	int res;
		1904
		1905	if (flags)
		1906	#if HAVE_PIPE2
		1907	res = pipe2 (fd, flags);
		1908	#else
		1909	res = (errno = ENOSYS, -1);
		1910	#endif
		1911	else
		1912	res = pipe (fd);
		1913
		1914	if (!res)
		1915	{
		1916	EXTEND (SP, 2);
		1917	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1918	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1919	}
		1920	}
1522		1921
1523	void _on_next_submit (SV *cb)	1922	void _on_next_submit (SV *cb)
1524	CODE:	1923	CODE:
1525	SvREFCNT_dec (on_next_submit);	1924	SvREFCNT_dec (on_next_submit);
1526	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1925	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1527		1926
1528	PROTOTYPES: DISABLE	1927	PROTOTYPES: DISABLE
1529		1928
		1929	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1930
		1931	BOOT:
		1932	{
		1933	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1934	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1935	}
		1936
		1937	void
		1938	DESTROY (SV *self)
		1939	CODE:
		1940	{
		1941	aio_wd wd = SvAIO_WD (self);
		1942	#if HAVE_AT
		1943	{
		1944	SV *callback = &PL_sv_undef;
		1945	dREQ; /* clobbers next_pri :/ */
		1946	next_pri = req->pri; /* restore next_pri */
		1947	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1948	req->type = EIO_WD_CLOSE;
		1949	req->wd = wd;
		1950	REQ_SEND;
		1951	}
		1952	#else
		1953	eio_wd_close_sync (wd);
		1954	#endif
		1955	}
		1956
1530	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1957	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1531		1958
1532	void	1959	void
1533	cancel (aio_req_ornot req)	1960	cancel (aio_req_ornot req)
1534	CODE:	1961	CODE:
1535	eio_cancel (req);	1962	eio_cancel (req);
1536		1963
1537	void	1964	void
1538	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1965	cb (aio_req_ornot req, SV *callback = NO_INIT)
1539	PPCODE:	1966	PPCODE:
1540	{	1967	{
1541	if (GIMME_V != G_VOID)	1968	if (GIMME_V != G_VOID)
1542	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1969	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1543		1970
1544	if (items > 1)	1971	if (items > 1)
1545	{	1972	{
1546	SV *cb_cv =get_cb (callback);	1973	SV *cb_cv = get_cb (callback);
1547		1974
1548	SvREFCNT_dec (req->callback);	1975	SvREFCNT_dec (req->callback);
1549	req->callback = SvREFCNT_inc (cb_cv);	1976	req->callback = SvREFCNT_inc (cb_cv);
1550	}	1977	}
1551	}	1978	}
…		…
1608	limit (aio_req grp, int limit)	2035	limit (aio_req grp, int limit)
1609	CODE:	2036	CODE:
1610	eio_grp_limit (grp, limit);	2037	eio_grp_limit (grp, limit);
1611		2038
1612	void	2039	void
1613	feed (aio_req grp, SV *callback=&PL_sv_undef)	2040	feed (aio_req grp, SV *callback = &PL_sv_undef)
1614	CODE:	2041	CODE:
1615	{	2042	{
1616	SvREFCNT_dec (grp->sv2);	2043	SvREFCNT_dec (grp->sv2);
1617	grp->sv2 = newSVsv (callback);	2044	grp->sv2 = newSVsv (callback);
1618	grp->feed = aio_grp_feed;	2045	grp->feed = aio_grp_feed;

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