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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.181 by root, Tue Feb 15 03:21:41 2011 UTC vs.
Revision 1.234 by root, Thu Jun 25 15:20:11 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		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
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/config.h"
124	#include "libeio/eio.h"	124	#include "libeio/eio.h"
125		125
126	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
127	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
128	#endif	128	static void req_destroy (eio_req *grp);
129	#ifndef POSIX_FADV_SEQUENTIAL	129	#define EIO_DESTROY(req) req_destroy (req)
130	# define POSIX_FADV_SEQUENTIAL 0	130
131	#endif	131	#include "libeio/eio.c"
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		132
145	#if !HAVE_POSIX_FADVISE	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
150	# define POSIX_MADV_NORMAL 0
151	#endif
152	#ifndef POSIX_MADV_SEQUENTIAL
153	# define POSIX_MADV_SEQUENTIAL 0
154	#endif
155	#ifndef POSIX_MADV_RANDOM
156	# define POSIX_MADV_RANDOM 0
157	#endif
158	#ifndef POSIX_MADV_WILLNEED
159	# define POSIX_MADV_WILLNEED 0
160	#endif
161	#ifndef POSIX_MADV_DONTNEED
162	# define POSIX_MADV_DONTNEED 0
163	#endif
164
165	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167	#endif
168
169	#ifndef PROT_NONE
170	# define PROT_NONE 0
171	#endif
172	#ifndef PROT_READ
173	# define PROT_READ 0
174	#endif
175	#ifndef PROT_WRITE
176	# define PROT_READ 0
177	#endif
178	#ifndef PROT_EXEC
179	# define PROT_EXEC 0
180	#endif
181
182	#ifndef ST_NODEV
183	# define ST_NODEV 0
184	#endif
185	#ifndef ST_NOEXEC
186	# define ST_NOEXEC 0
187	#endif
188	#ifndef ST_SYNCHRONOUS
189	# define ST_SYNCHRONOUS 0
190	#endif
191	#ifndef ST_MANDLOCK
192	# define ST_MANDLOCK 0
193	#endif
194	#ifndef ST_WRITE
195	# define ST_WRITE 0
196	#endif
197	#ifndef ST_APPEND
198	# define ST_APPEND 0
199	#endif
200	#ifndef ST_IMMUTABLE
201	# define ST_IMMUTABLE 0
202	#endif
203	#ifndef ST_NOATIME
204	# define ST_NOATIME 0
205	#endif
206	#ifndef ST_NODIRATIME
207	# define ST_NODIRATIME 0
208	#endif
209	#ifndef ST_RELATIME
210	# define ST_RELATIME 0
211	#endif
212
213	#ifndef S_IFIFO
214	# define S_IFIFO 0
215	#endif
216	#ifndef S_IFCHR
217	# define S_IFCHR 0
218	#endif
219	#ifndef S_IFBLK
220	# define S_IFBLK 0
221	#endif
222	#ifndef S_IFLNK
223	# define S_IFLNK 0
224	#endif
225	#ifndef S_IFREG
226	# define S_IFREG 0
227	#endif
228	#ifndef S_IFDIR
229	# define S_IFDIR 0
230	#endif
231	#ifndef S_IFWHT
232	# define S_IFWHT 0
233	#endif
234	#ifndef S_IFSOCK
235	# define S_IFSOCK 0
236	#endif	139	#endif
237		140
238	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
239	# ifdef MAP_ANON	142	# ifdef MAP_ANON
240	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
241	# else	144	# else
242	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243	# endif	146	# endif
244	#endif	147	#endif
245	#ifndef MAP_HUGETLB	148
246	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
247	#endif	150	#include "def0.h"
248	#ifndef MAP_LOCKED
249	# define MAP_LOCKED 0
250	#endif
251	#ifndef MAP_NORESERVE
252	# define MAP_NORESERVE 0
253	#endif
254	#ifndef MAP_POPULATE
255	# define MAP_POPULATE 0
256	#endif
257	#ifndef MAP_NONBLOCK
258	# define MAP_NONBLOCK 0
259	#endif
260		151
261	#ifndef makedev	152	#ifndef makedev
262	# define makedev(maj,min) (((maj) << 8) | (min))	153	# define makedev(maj,min) (((maj) << 8) | (min))
263	#endif	154	#endif
264	#ifndef major	155	#ifndef major
…		…
266	#endif	157	#endif
267	#ifndef minor	158	#ifndef minor
268	# define minor(dev) ((dev) & 0xff)	159	# define minor(dev) ((dev) & 0xff)
269	#endif	160	#endif
270		161
271	#ifndef PAGESIZE	162	#if PAGESIZE <= 0
272	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
273	#endif	164	#endif
274		165
275	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
276	#define EIO_FINISH(req) req_invoke (req)	167
277	static void req_destroy (eio_req *grp);	168	static void
278	#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	/*****************************************************************************/
279		265
280	enum {	266	enum {
281	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282	};	268	};
283		269
284	#include "libeio/eio.c"
285
286	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
287	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
288		273
289	static SV *on_next_submit;	274	static SV *on_next_submit;
290	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
291	static int max_outstanding;	276	static int max_outstanding;
292		277
293	static s_epipe respipe;	278	static s_epipe respipe;
294		279
295	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
296	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
297		282
298	static void want_poll (void)	283	static void
		284	want_poll (void)
299	{	285	{
300	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
301	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
302	}	288	}
303		289
304	static void done_poll (void)	290	static void
		291	done_poll (void)
305	{	292	{
306	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
307	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
308	}	295	}
309		296
310	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
311	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
312	{	300	{
313	if (!req->self)	301	if (!req->self)
314	{	302	{
315	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
316	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317	}	305	}
318		306
319	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320	}	308	}
321		309
322	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)
323	{	318	{
324	MAGIC *mg;	319	MAGIC *mg;
325		320
326	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
328	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
329	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
330	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
331		327
332	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333		329
334	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
335	}	331	}
336		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
337	static void aio_grp_feed (aio_req grp)	370	aio_grp_feed (aio_req grp)
338	{	371	{
339	if (grp->sv2 && SvOK (grp->sv2))	372	if (grp->sv2 && SvOK (grp->sv2))
340	{	373	{
341	dSP;	374	dSP;
342		375
…		…
350	FREETMPS;	383	FREETMPS;
351	LEAVE;	384	LEAVE;
352	}	385	}
353	}	386	}
354		387
		388	static void
355	static void req_submit (eio_req *req)	389	req_submit (eio_req *req)
356	{	390	{
357	eio_submit (req);	391	eio_submit (req);
358		392
359	if (expect_false (on_next_submit))	393	if (expect_false (on_next_submit))
360	{	394	{
…		…
367	PUTBACK;	401	PUTBACK;
368	call_sv (cb, G_DISCARD | G_EVAL);	402	call_sv (cb, G_DISCARD | G_EVAL);
369	}	403	}
370	}	404	}
371		405
		406	static int
372	static int req_invoke (eio_req *req)	407	req_invoke (eio_req *req)
373	{	408	{
374	if (req->flags & FLAG_SV2_RO_OFF)	409	if (req->flags & FLAG_SV2_RO_OFF)
375	SvREADONLY_off (req->sv2);	410	SvREADONLY_off (req->sv2);
376		411
377	if (!EIO_CANCELLED (req) && req->callback)	412	if (!EIO_CANCELLED (req) && req->callback)
…		…
398	SvREADONLY_on (sv_result);	433	SvREADONLY_on (sv_result);
399	}	434	}
400		435
401	switch (req->type)	436	switch (req->type)
402	{	437	{
		438	case EIO_WD_OPEN:
		439	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		440	break;
		441
403	case EIO_READDIR:	442	case EIO_READDIR:
404	{	443	{
405	SV *rv = &PL_sv_undef;	444	SV *rv = &PL_sv_undef;
406		445
407	if (req->result >= 0)	446	if (req->result >= 0)
…		…
460	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))));
461	}	500	}
462	break;	501	break;
463		502
464	case EIO_OPEN:	503	case EIO_OPEN:
465	{	504	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
466	/* convert fd to fh */
467	SV *fh = &PL_sv_undef;
468
469	if (req->result >= 0)
470	{
471	GV *gv = (GV *)sv_newmortal ();
472	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
473	char sym [64];
474	int symlen;
475
476	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
477	gv_init (gv, aio_stash, sym, symlen, 0);
478
479	symlen = snprintf (
480	sym,
481	sizeof (sym),
482	"%s&=%d",
483	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
484	(int)req->result
485	);
486
487	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
488	fh = (SV *)gv;
489	}
490
491	PUSHs (fh);
492	}
493	break;	505	break;
494		506
495	case EIO_STATVFS:	507	case EIO_STATVFS:
496	case EIO_FSTATVFS:	508	case EIO_FSTATVFS:
497	{	509	{
498	SV *rv = &PL_sv_undef;	510	SV *rv = &PL_sv_undef;
499		511
		512	#ifndef _WIN32
500	if (req->result >= 0)	513	if (req->result >= 0)
501	{	514	{
502	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	515	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503	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));
504		522
505	rv = sv_2mortal (newRV_noinc ((SV *)hv));	523	rv = sv_2mortal (newRV_noinc ((SV *)hv));
506		524
507	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);
508	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);
…		…
510	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);
511	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);
512	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);
513	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);
514	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);
515	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	533	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
516	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);
517	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);
518	}	536	}
		537	#endif
519		538
520	PUSHs (rv);	539	PUSHs (rv);
521	}	540	}
522		541
523	break;	542	break;
…		…
539	case EIO_NOP:	558	case EIO_NOP:
540	case EIO_BUSY:	559	case EIO_BUSY:
541	break;	560	break;
542		561
543	case EIO_READLINK:	562	case EIO_READLINK:
		563	case EIO_REALPATH:
544	if (req->result > 0)	564	if (req->result > 0)
545	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	565	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546	break;	566	break;
547		567
548	case EIO_STAT:	568	case EIO_STAT:
549	case EIO_LSTAT:	569	case EIO_LSTAT:
550	case EIO_FSTAT:	570	case EIO_FSTAT:
551	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	571	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		572
552	PL_laststatval = req->result;	573	if (!(PL_laststatval = req->result))
		574	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
553	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	575	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		576
554	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)));
555	break;	582	break;
556		583
557	case EIO_READ:	584	case EIO_READ:
558	{	585	{
559	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));
…		…
562	SvSETMAGIC (req->sv2);	589	SvSETMAGIC (req->sv2);
563	PUSHs (sv_result);	590	PUSHs (sv_result);
564	}	591	}
565	break;	592	break;
566		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
567	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	634	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568	if (req->result > 0)	635	if (req->result > 0)
569	SvIV_set (sv_result, 0);	636	SvIV_set (sv_result, 0);
570	/* FALLTHROUGH */	637	/* FALLTHROUGH */
571		638
…		…
592	}	659	}
593		660
594	return !!SvTRUE (ERRSV);	661	return !!SvTRUE (ERRSV);
595	}	662	}
596		663
		664	static void
597	static void req_destroy (aio_req req)	665	req_destroy (aio_req req)
598	{	666	{
599	if (req->self)	667	if (req->self)
600	{	668	{
601	sv_unmagic (req->self, PERL_MAGIC_ext);	669	sv_unmagic (req->self, PERL_MAGIC_ext);
602	SvREFCNT_dec (req->self);	670	SvREFCNT_dec (req->self);
603	}	671	}
604		672
605	SvREFCNT_dec (req->sv1);	673	SvREFCNT_dec (req->sv1);
606	SvREFCNT_dec (req->sv2);	674	SvREFCNT_dec (req->sv2);
		675	SvREFCNT_dec (req->sv3);
		676	SvREFCNT_dec (req->sv4);
607	SvREFCNT_dec (req->callback);	677	SvREFCNT_dec (req->callback);
608		678
609	Safefree (req);	679	free (req);
610	}	680	}
611		681
		682	static void
612	static void req_cancel_subs (aio_req grp)	683	req_cancel_subs (aio_req grp)
613	{	684	{
614	aio_req sub;
615
616	if (grp->type != EIO_GROUP)	685	if (grp->type != EIO_GROUP)
617	return;	686	return;
618		687
619	SvREFCNT_dec (grp->sv2);	688	SvREFCNT_dec (grp->sv2);
620	grp->sv2 = 0;	689	grp->sv2 = 0;
621		690
622	eio_grp_cancel (grp);	691	eio_grp_cancel (grp);
623	}	692	}
624		693
625	static void	694	static void ecb_cold
626	create_respipe (void)	695	create_respipe (void)
627	{	696	{
628	if (s_epipe_renew (&respipe))	697	if (s_epipe_renew (&respipe))
629	croak ("IO::AIO: unable to initialize result pipe");	698	croak ("IO::AIO: unable to initialize result pipe");
630	}	699	}
631		700
632	static void poll_wait (void)	701	static void
		702	poll_wait (void)
633	{	703	{
634	while (eio_nreqs ())	704	while (eio_nreqs ())
635	{	705	{
636	int size;	706	int size;
637		707
…		…
646		716
647	s_epipe_wait (&respipe);	717	s_epipe_wait (&respipe);
648	}	718	}
649	}	719	}
650		720
651	static int poll_cb (void)	721	static int
		722	poll_cb (void)
652	{	723	{
653	for (;;)	724	for (;;)
654	{	725	{
655	int res = eio_poll ();	726	int res = eio_poll ();
656		727
…		…
662		733
663	poll_wait ();	734	poll_wait ();
664	}	735	}
665	}	736	}
666		737
667	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
668	{	740	{
669	create_respipe ();	741	create_respipe ();
		742
		743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
670	}	745	}
671		746
672	/*****************************************************************************/	747	/*****************************************************************************/
673		748
674	#if !_POSIX_MAPPED_FILES	749	#if !_POSIX_MAPPED_FILES
675	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
676	# define munmap(addr,length) (errno = ENOSYS, -1)	751	# define munmap(addr,length) EIO_ENOSYS ()
677	#endif	752	#endif
678		753
679	#if !_POSIX_MEMORY_PROTECTION	754	#if !_POSIX_MEMORY_PROTECTION
680	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
681	# define PROT_NONE 0	756	# define PROT_NONE 0
682	# define PROT_WRITE 0	757	# define PROT_WRITE 0
683	# define MAP_PRIVATE 0	758	# define MAP_PRIVATE 0
684	# define MAP_SHARED 0	759	# define MAP_SHARED 0
685	# define MAP_FIXED 0	760	# define MAP_FIXED 0
686	#endif	761	#endif
687		762
688	#define MMAP_MAGIC PERL_MAGIC_ext	763	#define MMAP_MAGIC PERL_MAGIC_ext
689		764
690	static int	765	static int ecb_cold
691	mmap_free (pTHX_ SV *sv, MAGIC *mg)	766	mmap_free (pTHX_ SV *sv, MAGIC *mg)
692	{	767	{
693	int old_errno = errno;	768	int old_errno = errno;
694	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695	errno = old_errno;	770	errno = old_errno;
…		…
719	{	794	{
720	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
721	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722	}	797	}
723		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
724	#define dREQ \	819	#define dREQ \
725	SV *cb_cv; \	820	aio_req req = dreq (callback); \
726	aio_req req; \
727	int req_pri = next_pri; \
728	next_pri = EIO_PRI_DEFAULT; \
729	\
730	cb_cv = get_cb (callback); \
731	\
732	Newz (0, req, 1, eio_req); \
733	if (!req) \
734	croak ("out of memory during eio_req allocation"); \
735	\
736	req->callback = SvREFCNT_inc (cb_cv); \
737	req->pri = req_pri
738		821
739	#define REQ_SEND \	822	#define REQ_SEND \
740	PUTBACK; \	823	PUTBACK; \
741	req_submit (req); \	824	req_submit (req); \
742	SPAGAIN; \	825	SPAGAIN; \
743	\	826	\
744	if (GIMME_V != G_VOID) \	827	if (GIMME_V != G_VOID) \
745	XPUSHs (req_sv (req, aio_req_stash));	828	XPUSHs (req_sv (req, aio_req_stash));
746		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
747	MODULE = IO::AIO PACKAGE = IO::AIO	896	MODULE = IO::AIO PACKAGE = IO::AIO
748		897
749	PROTOTYPES: ENABLE	898	PROTOTYPES: ENABLE
750		899
751	BOOT:	900	BOOT:
…		…
755	IV iv;	904	IV iv;
756	} *civ, const_iv[] = {	905	} *civ, const_iv[] = {
757	# define const_niv(name, value) { # name, (IV) value },	906	# define const_niv(name, value) { # name, (IV) value },
758	# define const_iv(name) { # name, (IV) name },	907	# define const_iv(name) { # name, (IV) name },
759	# 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)
760	const_iv (EXDEV)	913	const_iv (EXDEV)
761	const_iv (ENOSYS)	914	const_iv (EBADR)
		915
762	const_iv (O_RDONLY)	916	const_iv (O_RDONLY)
763	const_iv (O_WRONLY)	917	const_iv (O_WRONLY)
764	const_iv (O_RDWR)	918	const_iv (O_RDWR)
765	const_iv (O_CREAT)	919	const_iv (O_CREAT)
766	const_iv (O_TRUNC)	920	const_iv (O_TRUNC)
767	const_iv (O_EXCL)	921	const_iv (O_EXCL)
768	const_iv (O_APPEND)	922	const_iv (O_APPEND)
		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_PATH)
		939	const_iv (O_TMPFILE)
		940	const_iv (O_TTY_INIT)
769		941
770	const_iv (S_IFIFO)	942	const_iv (S_IFIFO)
771	const_iv (S_IFCHR)	943	const_iv (S_IFCHR)
772	const_iv (S_IFBLK)	944	const_iv (S_IFBLK)
773	const_iv (S_IFLNK)	945	const_iv (S_IFLNK)
…		…
818	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
819	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
820	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
821	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
822		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
823	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
824	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
825		1025
826	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
827	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
830	const_eio (MT_MODIFY)	1030	const_eio (MT_MODIFY)
831		1031
832	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
834	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1035
		1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
		1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1039	const_eio (FALLOC_FL_ZERO_RANGE)
835		1040
836	const_eio (READDIR_DENTS)	1041	const_eio (READDIR_DENTS)
837	const_eio (READDIR_DIRS_FIRST)	1042	const_eio (READDIR_DIRS_FIRST)
838	const_eio (READDIR_STAT_ORDER)	1043	const_eio (READDIR_STAT_ORDER)
839	const_eio (READDIR_FOUND_UNKNOWN)	1044	const_eio (READDIR_FOUND_UNKNOWN)
…		…
850	};	1055	};
851		1056
852	aio_stash = gv_stashpv ("IO::AIO" , 1);	1057	aio_stash = gv_stashpv ("IO::AIO" , 1);
853	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1058	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1059	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1060	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855		1061
856	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1062	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
857	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1063	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858		1064
859	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1065	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860		1066
861	create_respipe ();	1067	reinit ();
862
863	if (eio_init (want_poll, done_poll) < 0)
864	croak ("IO::AIO: unable to initialise eio library");
865
866	/* atfork child called in fifo order, so before eio's handler */
867	X_THREAD_ATFORK (0, 0, atfork_child);
868	}	1068	}
		1069
		1070	void
		1071	reinit ()
		1072	PROTOTYPE:
869		1073
870	void	1074	void
871	max_poll_reqs (unsigned int nreqs)	1075	max_poll_reqs (unsigned int nreqs)
872	PROTOTYPE: $	1076	PROTOTYPE: $
873	CODE:	1077	CODE:
…		…
908	PROTOTYPE: $	1112	PROTOTYPE: $
909	CODE:	1113	CODE:
910	max_outstanding = maxreqs;	1114	max_outstanding = maxreqs;
911		1115
912	void	1116	void
913	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1117	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
914	PPCODE:	1118	PPCODE:
915	{	1119	{
916	dREQ;	1120	dREQ;
917		1121
		1122	req->type = EIO_WD_OPEN;
		1123	req_set_path1 (req, pathname);
		1124
		1125	REQ_SEND;
		1126	}
		1127
		1128	void
		1129	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1130	PPCODE:
		1131	{
		1132	dREQ;
		1133
918	req->type = EIO_OPEN;	1134	req->type = EIO_OPEN;
919	req->sv1 = newSVsv (pathname);	1135	req_set_path1 (req, pathname);
920	req->ptr1 = SvPVbyte_nolen (req->sv1);
921	req->int1 = flags;	1136	req->int1 = flags;
922	req->int2 = mode;	1137	req->int2 = mode;
923		1138
924	REQ_SEND;	1139	REQ_SEND;
925	}	1140	}
926		1141
927	void	1142	void
928	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
929	ALIAS:	1144	ALIAS:
930	aio_fsync = EIO_FSYNC	1145	aio_fsync = EIO_FSYNC
931	aio_fdatasync = EIO_FDATASYNC	1146	aio_fdatasync = EIO_FDATASYNC
		1147	aio_syncfs = EIO_SYNCFS
932	PPCODE:	1148	PPCODE:
933	{	1149	{
934	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
935	dREQ;	1151	dREQ;
936		1152
937	req->type = ix;	1153	req->type = ix;
938	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
939	req->int1 = fd;	1155	req->int1 = fd;
940		1156
941	REQ_SEND (req);	1157	REQ_SEND;
942	}	1158	}
943		1159
944	void	1160	void
945	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1161	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
946	PPCODE:	1162	PPCODE:
947	{	1163	{
948	int fd = s_fileno_croak (fh, 0);	1164	int fd = s_fileno_croak (fh, 0);
949	dREQ;	1165	dREQ;
950		1166
951	req->type = EIO_SYNC_FILE_RANGE;	1167	req->type = EIO_SYNC_FILE_RANGE;
952	req->sv1 = newSVsv (fh);	1168	req->sv1 = newSVsv (fh);
953	req->int1 = fd;	1169	req->int1 = fd;
954	req->offs = offset;	1170	req->offs = offset;
955	req->size = nbytes;	1171	req->size = nbytes;
956	req->int2 = flags;	1172	req->int2 = flags;
957		1173
958	REQ_SEND (req);	1174	REQ_SEND;
959	}	1175	}
960		1176
961	void	1177	void
962	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1178	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
963	PPCODE:	1179	PPCODE:
964	{	1180	{
965	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
966	int fd = s_fileno_croak (fh, 0);	1181	int fd = s_fileno_croak (fh, 0);
967	dREQ;	1182	dREQ;
968		1183
969	if (close_pipe < 0)	1184	req->type = EIO_FALLOCATE;
		1185	req->sv1 = newSVsv (fh);
		1186	req->int1 = fd;
		1187	req->int2 = mode;
		1188	req->offs = offset;
		1189	req->size = len;
		1190
		1191	REQ_SEND;
		1192	}
		1193
		1194	void
		1195	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1196	PPCODE:
		1197	{
		1198	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1199	int fd = s_fileno_croak (fh, 0);
		1200	dREQ;
		1201
		1202	if (expect_false (close_fd < 0))
970	{	1203	{
971	int pipefd [2];	1204	int pipefd [2];
972		1205
		1206	if (
		1207	#ifdef _WIN32
		1208	_pipe (pipefd, 1, _O_BINARY) < 0
		1209	#else
973	if (pipe (pipefd) < 0	1210	pipe (pipefd) < 0
974	|| close (pipefd [1]) < 0
975	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1211	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1212	#endif
		1213	|| close (pipefd [1]) < 0
		1214	)
976	abort (); /*D*/	1215	abort (); /*D*/
977		1216
978	close_pipe = pipefd [0];	1217	close_fd = pipefd [0];
979	}	1218	}
980		1219
981	req->type = EIO_DUP2;	1220	req->type = EIO_DUP2;
982	req->int1 = close_pipe;	1221	req->int1 = close_fd;
983	req->sv2 = newSVsv (fh);	1222	req->sv2 = newSVsv (fh);
984	req->int2 = fd;	1223	req->int2 = fd;
985		1224
986	REQ_SEND (req);	1225	REQ_SEND;
987	}	1226	}
988		1227
989	void	1228	void
		1229	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1230	PPCODE:
		1231	{
		1232	int fd = s_fileno_croak (fh, 0);
		1233	dREQ;
		1234
		1235	req->type = EIO_SEEK;
		1236	req->sv1 = newSVsv (fh);
		1237	req->int1 = fd;
		1238	req->offs = SvVAL64 (offset);
		1239	req->int2 = whence;
		1240
		1241	REQ_SEND;
		1242	}
		1243
		1244	void
990	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1245	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
991	ALIAS:	1246	ALIAS:
992	aio_read = EIO_READ	1247	aio_read = EIO_READ
993	aio_write = EIO_WRITE	1248	aio_write = EIO_WRITE
994	PPCODE:	1249	PPCODE:
995	{	1250	{
…		…
1011	len = svlen - dataoffset;	1266	len = svlen - dataoffset;
1012	}	1267	}
1013	else	1268	else
1014	{	1269	{
1015	/* read: check type and grow scalar as necessary */	1270	/* read: check type and grow scalar as necessary */
1016	SvUPGRADE (data, SVt_PV);	1271	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1017	svptr = SvGROW (data, len + dataoffset + 1);	1272	svptr = sv_grow (data, len + dataoffset + 1);
		1273	else if (SvCUR (data) < len + dataoffset)
		1274	croak ("length + dataoffset outside of scalar, and cannot grow");
1018	}	1275	}
1019		1276
1020	{	1277	{
1021	dREQ;	1278	dREQ;
1022		1279
…		…
1038	REQ_SEND;	1295	REQ_SEND;
1039	}	1296	}
1040	}	1297	}
1041		1298
1042	void	1299	void
1043	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1300	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1301	ALIAS:
		1302	aio_readlink = EIO_READLINK
		1303	aio_realpath = EIO_REALPATH
1044	PPCODE:	1304	PPCODE:
1045	{	1305	{
1046	SV *data;
1047	dREQ;	1306	dREQ;
1048		1307
1049	req->type = EIO_READLINK;	1308	req->type = ix;
1050	req->sv1 = newSVsv (path);	1309	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1310
1053	REQ_SEND;	1311	REQ_SEND;
1054	}	1312	}
1055		1313
1056	void	1314	void
1057	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1315	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1058	PPCODE:	1316	PPCODE:
1059	{	1317	{
1060	int ifd = s_fileno_croak (in_fh , 0);	1318	int ifd = s_fileno_croak (in_fh , 0);
1061	int ofd = s_fileno_croak (out_fh, 1);	1319	int ofd = s_fileno_croak (out_fh, 1);
1062	dREQ;	1320	dREQ;
1063		1321
1064	req->type = EIO_SENDFILE;	1322	req->type = EIO_SENDFILE;
1065	req->sv1 = newSVsv (out_fh);	1323	req->sv1 = newSVsv (out_fh);
1066	req->int1 = ofd;	1324	req->int1 = ofd;
…		…
1071		1329
1072	REQ_SEND;	1330	REQ_SEND;
1073	}	1331	}
1074		1332
1075	void	1333	void
1076	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1334	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1077	PPCODE:	1335	PPCODE:
1078	{	1336	{
1079	int fd = s_fileno_croak (fh, 0);	1337	int fd = s_fileno_croak (fh, 0);
1080	dREQ;	1338	dREQ;
1081		1339
1082	req->type = EIO_READAHEAD;	1340	req->type = EIO_READAHEAD;
1083	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
1084	req->int1 = fd;	1342	req->int1 = fd;
…		…
1087		1345
1088	REQ_SEND;	1346	REQ_SEND;
1089	}	1347	}
1090		1348
1091	void	1349	void
1092	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1350	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1093	ALIAS:	1351	ALIAS:
1094	aio_stat = EIO_STAT	1352	aio_stat = EIO_STAT
1095	aio_lstat = EIO_LSTAT	1353	aio_lstat = EIO_LSTAT
1096	aio_statvfs = EIO_STATVFS	1354	aio_statvfs = EIO_STATVFS
1097	PPCODE:	1355	PPCODE:
1098	{	1356	{
1099	dREQ;	1357	dREQ;
1100		1358
1101	req->sv1 = newSVsv (fh_or_path);	1359	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1102
1103	if (SvPOK (req->sv1))
1104	{
1105	req->type = ix;
1106	req->ptr1 = SvPVbyte_nolen (req->sv1);
1107	}
1108	else
1109	{
1110	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1111	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1112	}
1113		1360
1114	REQ_SEND;	1361	REQ_SEND;
1115	}	1362	}
1116		1363
1117	UV	1364	UV
…		…
1129	RETVAL = makedev (maj, min);	1376	RETVAL = makedev (maj, min);
1130	OUTPUT:	1377	OUTPUT:
1131	RETVAL	1378	RETVAL
1132		1379
1133	void	1380	void
1134	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1381	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1135	PPCODE:	1382	PPCODE:
1136	{	1383	{
1137	dREQ;	1384	dREQ;
1138		1385
1139	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1386	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1140	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1387	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1141	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1142
1143	if (SvPOK (req->sv1))
1144	{
1145	req->type = EIO_UTIME;
1146	req->ptr1 = SvPVbyte_nolen (req->sv1);
1147	}
1148	else
1149	{
1150	req->type = EIO_FUTIME;
1151	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1152	}
1153		1389
1154	REQ_SEND;	1390	REQ_SEND;
1155	}	1391	}
1156		1392
1157	void	1393	void
1158	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1394	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1159	PPCODE:	1395	PPCODE:
1160	{	1396	{
1161	dREQ;	1397	dREQ;
1162		1398
1163	req->sv1 = newSVsv (fh_or_path);
1164	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1399	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1165		1400	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1166	if (SvPOK (req->sv1))
1167	{
1168	req->type = EIO_TRUNCATE;
1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
1170	}
1171	else
1172	{
1173	req->type = EIO_FTRUNCATE;
1174	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1175	}
1176		1401
1177	REQ_SEND;	1402	REQ_SEND;
1178	}	1403	}
1179		1404
1180	void	1405	void
1181	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1406	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1182	ALIAS:
1183	aio_chmod = EIO_CHMOD
1184	aio_mkdir = EIO_MKDIR
1185	PPCODE:	1407	PPCODE:
1186	{	1408	{
1187	dREQ;	1409	dREQ;
1188		1410
1189	req->int2 = mode;	1411	req->int2 = mode;
1190	req->sv1 = newSVsv (fh_or_path);	1412	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1191
1192	if (SvPOK (req->sv1))
1193	{
1194	req->type = ix;
1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
1196	}
1197	else
1198	{
1199	req->type = EIO_FCHMOD;
1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201	}
1202		1413
1203	REQ_SEND;	1414	REQ_SEND;
1204	}	1415	}
1205		1416
1206	void	1417	void
1207	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1418	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1208	PPCODE:	1419	PPCODE:
1209	{	1420	{
1210	dREQ;	1421	dREQ;
1211		1422
1212	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1423	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1213	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1424	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1214	req->sv1 = newSVsv (fh_or_path);	1425	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1215
1216	if (SvPOK (req->sv1))
1217	{
1218	req->type = EIO_CHOWN;
1219	req->ptr1 = SvPVbyte_nolen (req->sv1);
1220	}
1221	else
1222	{
1223	req->type = EIO_FCHOWN;
1224	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1225	}
1226		1426
1227	REQ_SEND;	1427	REQ_SEND;
1228	}	1428	}
1229		1429
1230	void	1430	void
1231	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1431	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1232	PPCODE:	1432	PPCODE:
1233	{	1433	{
1234	dREQ;	1434	dREQ;
1235		1435
1236	req->type = EIO_READDIR;	1436	req->type = EIO_READDIR;
1237	req->sv1 = newSVsv (pathname);
1238	req->ptr1 = SvPVbyte_nolen (req->sv1);
1239	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1437	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1240		1438
1241	if (flags & EIO_READDIR_DENTS)	1439	if (flags & EIO_READDIR_DENTS)
1242	req->int1 |= EIO_READDIR_CUSTOM2;	1440	req->int1 |= EIO_READDIR_CUSTOM2;
1243		1441
		1442	req_set_path1 (req, pathname);
		1443
1244	REQ_SEND;	1444	REQ_SEND;
1245	}	1445	}
1246		1446
1247	void	1447	void
		1448	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1449	PPCODE:
		1450	{
		1451	dREQ;
		1452
		1453	req->type = EIO_MKDIR;
		1454	req->int2 = mode;
		1455	req_set_path1 (req, pathname);
		1456
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1248	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1461	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1249	ALIAS:	1462	ALIAS:
1250	aio_unlink = EIO_UNLINK	1463	aio_unlink = EIO_UNLINK
1251	aio_rmdir = EIO_RMDIR	1464	aio_rmdir = EIO_RMDIR
1252	aio_readdir = EIO_READDIR	1465	aio_readdir = EIO_READDIR
1253	PPCODE:	1466	PPCODE:
1254	{	1467	{
1255	dREQ;	1468	dREQ;
1256		1469
1257	req->type = ix;	1470	req->type = ix;
1258	req->sv1 = newSVsv (pathname);	1471	req_set_path1 (req, pathname);
1259	req->ptr1 = SvPVbyte_nolen (req->sv1);
1260		1472
1261	REQ_SEND;	1473	REQ_SEND;
1262	}	1474	}
1263		1475
1264	void	1476	void
1265	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1477	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1266	ALIAS:	1478	ALIAS:
1267	aio_link = EIO_LINK	1479	aio_link = EIO_LINK
1268	aio_symlink = EIO_SYMLINK	1480	aio_symlink = EIO_SYMLINK
1269	aio_rename = EIO_RENAME	1481	aio_rename = EIO_RENAME
1270	PPCODE:	1482	PPCODE:
1271	{	1483	{
		1484	eio_wd wd2 = 0;
1272	dREQ;	1485	dREQ;
1273		1486
1274	req->type = ix;	1487	req->type = ix;
1275	req->sv1 = newSVsv (oldpath);	1488	req_set_path1 (req, oldpath);
1276	req->ptr1 = SvPVbyte_nolen (req->sv1);	1489	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1277	req->sv2 = newSVsv (newpath);	1490	req->int3 = (long)wd2;
1278	req->ptr2 = SvPVbyte_nolen (req->sv2);
1279		1491
1280	REQ_SEND;	1492	REQ_SEND;
1281	}	1493	}
1282		1494
1283	void	1495	void
1284	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1496	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1285	PPCODE:	1497	PPCODE:
1286	{	1498	{
1287	dREQ;	1499	dREQ;
1288		1500
1289	req->type = EIO_MKNOD;	1501	req->type = EIO_MKNOD;
1290	req->sv1 = newSVsv (pathname);
1291	req->ptr1 = SvPVbyte_nolen (req->sv1);
1292	req->int2 = (mode_t)mode;	1502	req->int2 = (mode_t)mode;
1293	req->offs = dev;	1503	req->offs = dev;
		1504	req_set_path1 (req, pathname);
1294		1505
1295	REQ_SEND;	1506	REQ_SEND;
1296	}	1507	}
1297		1508
1298	void	1509	void
1299	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1510	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1300	ALIAS:	1511	ALIAS:
1301	aio_mtouch = EIO_MTOUCH	1512	aio_mtouch = EIO_MTOUCH
1302	aio_msync = EIO_MSYNC	1513	aio_msync = EIO_MSYNC
1303	PPCODE:	1514	PPCODE:
1304	{	1515	{
…		…
1327	REQ_SEND;	1538	REQ_SEND;
1328	}	1539	}
1329	}	1540	}
1330		1541
1331	void	1542	void
1332	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1543	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1333	PPCODE:	1544	PPCODE:
1334	{	1545	{
1335	STRLEN svlen;	1546	STRLEN svlen;
1336	char *svptr = SvPVbyte (data, svlen);	1547	char *svptr = SvPVbyte (data, svlen);
1337	UV len = SvUV (length);	1548	UV len = SvUV (length);
…		…
1356	REQ_SEND;	1567	REQ_SEND;
1357	}	1568	}
1358	}	1569	}
1359		1570
1360	void	1571	void
1361	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1572	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1362	PPCODE:	1573	PPCODE:
1363	{	1574	{
1364	dREQ;	1575	dREQ;
1365		1576
1366	req->type = EIO_MLOCKALL;	1577	req->type = EIO_MLOCKALL;
…		…
1368		1579
1369	REQ_SEND;	1580	REQ_SEND;
1370	}	1581	}
1371		1582
1372	void	1583	void
		1584	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	int fd = s_fileno_croak (fh, 0);
		1588	dREQ;
		1589
		1590	req->type = EIO_CUSTOM;
		1591	req->sv1 = newSVsv (fh);
		1592	req->int1 = fd;
		1593
		1594	req->feed = fiemap;
		1595	#if HAVE_FIEMAP
		1596	/* keep our fingers crossed that the next two types are 64 bit */
		1597	req->offs = start;
		1598	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1599	req->int2 = flags;
		1600	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1601	#endif
		1602
		1603	REQ_SEND;
		1604	}
		1605
		1606	void
1373	aio_busy (double delay, SV *callback=&PL_sv_undef)	1607	aio_busy (double delay, SV *callback = &PL_sv_undef)
1374	PPCODE:	1608	PPCODE:
1375	{	1609	{
1376	dREQ;	1610	dREQ;
1377		1611
1378	req->type = EIO_BUSY;	1612	req->type = EIO_BUSY;
…		…
1380		1614
1381	REQ_SEND;	1615	REQ_SEND;
1382	}	1616	}
1383		1617
1384	void	1618	void
1385	aio_group (SV *callback=&PL_sv_undef)	1619	aio_group (SV *callback = &PL_sv_undef)
1386	PPCODE:	1620	PPCODE:
1387	{	1621	{
1388	dREQ;	1622	dREQ;
1389		1623
1390	req->type = EIO_GROUP;	1624	req->type = EIO_GROUP;
1391		1625
		1626	PUTBACK;
1392	req_submit (req);	1627	req_submit (req);
		1628	SPAGAIN;
		1629
1393	XPUSHs (req_sv (req, aio_grp_stash));	1630	XPUSHs (req_sv (req, aio_grp_stash));
1394	}	1631	}
1395		1632
1396	void	1633	void
1397	aio_nop (SV *callback=&PL_sv_undef)	1634	aio_nop (SV *callback = &PL_sv_undef)
1398	ALIAS:	1635	ALIAS:
1399	aio_nop = EIO_NOP	1636	aio_nop = EIO_NOP
1400	aio_sync = EIO_SYNC	1637	aio_sync = EIO_SYNC
1401	PPCODE:	1638	PPCODE:
1402	{	1639	{
…		…
1406		1643
1407	REQ_SEND;	1644	REQ_SEND;
1408	}	1645	}
1409		1646
1410	int	1647	int
1411	aioreq_pri (int pri = 0)	1648	aioreq_pri (int pri = NO_INIT)
1412	CODE:	1649	CODE:
1413	RETVAL = next_pri;	1650	RETVAL = next_pri;
1414	if (items > 0)	1651	if (items > 0)
1415	{	1652	{
1416	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1653	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1498	CODE:	1735	CODE:
1499	RETVAL = posix_fadvise (fh, offset, length, advice);	1736	RETVAL = posix_fadvise (fh, offset, length, advice);
1500	OUTPUT:	1737	OUTPUT:
1501	RETVAL	1738	RETVAL
1502		1739
1503	ssize_t	1740	IV
1504	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1741	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1505	CODE:	1742	CODE:
1506	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1743	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1507	OUTPUT:	1744	OUTPUT:
1508	RETVAL	1745	RETVAL
1509		1746
1510	void	1747	void
1511	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1748	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1512	PPCODE:	1749	PPCODE:
1513	sv_unmagic (scalar, MMAP_MAGIC);	1750	sv_unmagic (scalar, MMAP_MAGIC);
1514	{	1751	{
1515	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1753	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1543	munmap (SV *scalar)	1780	munmap (SV *scalar)
1544	CODE:	1781	CODE:
1545	sv_unmagic (scalar, MMAP_MAGIC);	1782	sv_unmagic (scalar, MMAP_MAGIC);
1546		1783
1547	int	1784	int
1548	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1785	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1549	ALIAS:	1786	ALIAS:
1550	mprotect = 1	1787	mprotect = 1
1551	CODE:	1788	CODE:
1552	{	1789	{
1553	STRLEN svlen;	1790	STRLEN svlen;
1554	void *addr = SvPVbyte (scalar, svlen);	1791	void *addr = SvPVbyte (scalar, svlen);
1555	size_t len = SvUV (length);	1792	STRLEN len = SvUV (length);
1556		1793
1557	if (offset < 0)	1794	if (offset < 0)
1558	offset += svlen;	1795	offset += svlen;
1559		1796
1560	if (offset < 0 || offset > svlen)	1797	if (offset < 0 || offset > svlen)
…		…
1574	}	1811	}
1575	OUTPUT:	1812	OUTPUT:
1576	RETVAL	1813	RETVAL
1577		1814
1578	int	1815	int
1579	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1816	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1580	CODE:	1817	CODE:
1581	{	1818	{
1582	STRLEN svlen;	1819	STRLEN svlen;
1583	void *addr = SvPVbyte (scalar, svlen);	1820	void *addr = SvPVbyte (scalar, svlen);
1584	size_t len = SvUV (length);	1821	size_t len = SvUV (length);
1585		1822
1586	if (offset < 0)	1823	if (offset < 0)
1587	offset += svlen;	1824	offset += svlen;
1588		1825
…		…
1595	addr = (void *)(((intptr_t)addr) + offset);	1832	addr = (void *)(((intptr_t)addr) + offset);
1596	eio_page_align (&addr, &len);	1833	eio_page_align (&addr, &len);
1597	#if _POSIX_MEMLOCK_RANGE	1834	#if _POSIX_MEMLOCK_RANGE
1598	RETVAL = munlock (addr, len);	1835	RETVAL = munlock (addr, len);
1599	#else	1836	#else
1600	RETVAL = ((errno = ENOSYS), -1);	1837	RETVAL = EIO_ENOSYS ();
1601	#endif	1838	#endif
1602	}	1839	}
1603	OUTPUT:	1840	OUTPUT:
1604	RETVAL	1841	RETVAL
1605		1842
…		…
1607	munlockall ()	1844	munlockall ()
1608	CODE:	1845	CODE:
1609	#if _POSIX_MEMLOCK	1846	#if _POSIX_MEMLOCK
1610	munlockall ();	1847	munlockall ();
1611	#else	1848	#else
1612	RETVAL = -1;	1849	RETVAL = EIO_ENOSYS ();
1613	errno = ENOSYS;
1614	#endif	1850	#endif
1615	OUTPUT:	1851	OUTPUT:
1616	RETVAL	1852	RETVAL
		1853
		1854	int
		1855	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1856	CODE:
		1857	{
		1858	#if HAVE_LINUX_SPLICE
		1859	loff_t off_in_, off_out_;
		1860	RETVAL = splice (
		1861	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1862	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1863	length, flags
		1864	);
		1865	#else
		1866	RETVAL = EIO_ENOSYS ();
		1867	#endif
		1868	}
		1869	OUTPUT:
		1870	RETVAL
		1871
		1872	int
		1873	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1874	CODE:
		1875	#if HAVE_LINUX_SPLICE
		1876	RETVAL = tee (rfh, wfh, length, flags);
		1877	#else
		1878	RETVAL = EIO_ENOSYS ();
		1879	#endif
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int
		1884	pipesize (aio_rfd rfh, int new_size = -1)
		1885	PROTOTYPE: $;$
		1886	CODE:
		1887	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1888	if (new_size >= 0)
		1889	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1890	else
		1891	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1892	#else
		1893	errno = ENOSYS;
		1894	RETVAL = -1;
		1895	#endif
		1896	OUTPUT:
		1897	RETVAL
		1898
		1899	void
		1900	pipe2 (int flags = 0)
		1901	PROTOTYPE: ;$
		1902	PPCODE:
		1903	{
		1904	int fd[2];
		1905	int res;
		1906
		1907	if (flags)
		1908	#if HAVE_PIPE2
		1909	res = pipe2 (fd, flags);
		1910	#else
		1911	res = (errno = ENOSYS, -1);
		1912	#endif
		1913	else
		1914	res = pipe (fd);
		1915
		1916	if (!res)
		1917	{
		1918	EXTEND (SP, 2);
		1919	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1920	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1921	}
		1922	}
1617		1923
1618	void _on_next_submit (SV *cb)	1924	void _on_next_submit (SV *cb)
1619	CODE:	1925	CODE:
1620	SvREFCNT_dec (on_next_submit);	1926	SvREFCNT_dec (on_next_submit);
1621	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1927	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1622		1928
1623	PROTOTYPES: DISABLE	1929	PROTOTYPES: DISABLE
1624		1930
		1931	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1932
		1933	BOOT:
		1934	{
		1935	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1936	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1937	}
		1938
		1939	void
		1940	DESTROY (SV *self)
		1941	CODE:
		1942	{
		1943	aio_wd wd = SvAIO_WD (self);
		1944	#if HAVE_AT
		1945	{
		1946	SV *callback = &PL_sv_undef;
		1947	dREQ; /* clobbers next_pri :/ */
		1948	next_pri = req->pri; /* restore next_pri */
		1949	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1950	req->type = EIO_WD_CLOSE;
		1951	req->wd = wd;
		1952	REQ_SEND;
		1953	}
		1954	#else
		1955	eio_wd_close_sync (wd);
		1956	#endif
		1957	}
		1958
1625	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1959	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1626		1960
1627	void	1961	void
1628	cancel (aio_req_ornot req)	1962	cancel (aio_req_ornot req)
1629	CODE:	1963	CODE:
1630	eio_cancel (req);	1964	eio_cancel (req);
1631		1965
1632	void	1966	void
1633	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1967	cb (aio_req_ornot req, SV *callback = NO_INIT)
1634	PPCODE:	1968	PPCODE:
1635	{	1969	{
1636	if (GIMME_V != G_VOID)	1970	if (GIMME_V != G_VOID)
1637	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1971	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1638		1972
1639	if (items > 1)	1973	if (items > 1)
1640	{	1974	{
1641	SV *cb_cv =get_cb (callback);	1975	SV *cb_cv = get_cb (callback);
1642		1976
1643	SvREFCNT_dec (req->callback);	1977	SvREFCNT_dec (req->callback);
1644	req->callback = SvREFCNT_inc (cb_cv);	1978	req->callback = SvREFCNT_inc (cb_cv);
1645	}	1979	}
1646	}	1980	}
…		…
1703	limit (aio_req grp, int limit)	2037	limit (aio_req grp, int limit)
1704	CODE:	2038	CODE:
1705	eio_grp_limit (grp, limit);	2039	eio_grp_limit (grp, limit);
1706		2040
1707	void	2041	void
1708	feed (aio_req grp, SV *callback=&PL_sv_undef)	2042	feed (aio_req grp, SV *callback = &PL_sv_undef)
1709	CODE:	2043	CODE:
1710	{	2044	{
1711	SvREFCNT_dec (grp->sv2);	2045	SvREFCNT_dec (grp->sv2);
1712	grp->sv2 = newSVsv (callback);	2046	grp->sv2 = newSVsv (callback);
1713	grp->feed = aio_grp_feed;	2047	grp->feed = aio_grp_feed;

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