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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC vs.
Revision 1.246 by root, Fri Jun 23 21:43:51 2017 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. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
23	#endif	36	#endif
24		37
25	/* perl namespace pollution */	38	/* perl namespace pollution */
26	#undef VERSION	39	#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		40
77	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	43	#undef readdir
80	#undef opendir	44	#undef opendir
81	#undef closedir	45	#undef closedir
82		46
		47	#ifdef _WIN32
		48
		49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
		53	#undef open
		54	#undef read
		55	#undef write
		56	#undef send
		57	#undef recv
		58	#undef stat
		59	#undef lstat
		60	#undef fstat
		61	#undef truncate
		62	#undef ftruncate
		63	#undef open
		64	#undef link
		65	#undef close
		66	#undef unlink
		67	#undef mkdir
		68	#undef rmdir
		69	#undef rename
		70	#undef lseek
		71	#undef opendir
		72	#undef readdir
		73	#undef closedir
		74	#undef chmod
		75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
		80
		81	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
84		83
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	84	#else
91	# define VAL64 NV	85
92	# define SvVAL64 SvNV	86	#include <sys/time.h>
93	# define newSVval64 newSVnv	87	#include <sys/select.h>
		88	#include <unistd.h>
		89	#include <utime.h>
		90	#include <signal.h>
		91
		92	#define EIO_STRUCT_STAT Stat_t
		93
94	#endif	94	#endif
95		95
96	/*****************************************************************************/	96	/*****************************************************************************/
97		97
98	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
108		108
109	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
112		112
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		114
115	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
116	SV *callback; \	116	SV *callback; \
117	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
118	STRLEN stroffset; \	119	STRLEN stroffset; \
119	SV *self;	120	SV *self;
120		121
121	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
122		123
		124	#include "libeio/config.h"
123	#include "libeio/eio.h"	125	#include "libeio/eio.h"
124		126
125	#ifndef POSIX_FADV_NORMAL	127	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	128	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	129	static void req_destroy (eio_req *grp);
128	#endif	130	#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		131
145	#ifndef ST_NODEV	132	#include "libeio/eio.c"
146	# define ST_NODEV 0
147	#endif
148	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0
150	#endif
151	#ifndef ST_SYNCHRONOUS
152	# define ST_SYNCHRONOUS 0
153	#endif
154	#ifndef ST_MANDLOCK
155	# define ST_MANDLOCK 0
156	#endif
157	#ifndef ST_WRITE
158	# define ST_WRITE 0
159	#endif
160	#ifndef ST_APPEND
161	# define ST_APPEND 0
162	#endif
163	#ifndef ST_IMMUTABLE
164	# define ST_IMMUTABLE 0
165	#endif
166	#ifndef ST_NOATIME
167	# define ST_NOATIME 0
168	#endif
169	#ifndef ST_NODIRATIME
170	# define ST_NODIRATIME 0
171	#endif
172	#ifndef ST_RELATIME
173	# define ST_RELATIME 0
174	#endif
175		133
176	#ifndef MCL_CURRENT	134	#if !HAVE_POSIX_FADVISE
177	# define MCL_CURRENT 0	135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178	#endif	136	#endif
179	#ifndef MCL_FUTURE	137
180	# define MCL_FUTURE 0	138	#if !HAVE_POSIX_MADVISE
		139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181	#endif	140	#endif
182		141
183	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	143	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
186	# else	145	# else
187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188	# endif	147	# endif
189	#endif	148	#endif
190	#ifndef MAP_HUGETLB
191	# define MAP_HUGETLB 0
192	#endif
193	#ifndef MAP_LOCKED
194	# define MAP_LOCKED 0
195	#endif
196	#ifndef MAP_NORESERVE
197	# define MAP_NORESERVE 0
198	#endif
199	#ifndef MAP_POPULATE
200	# define MAP_POPULATE 0
201	#endif
202	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0
204	#endif
205		149
206	#ifndef PAGESIZE	150	/* defines all sorts of constants to 0 unless they are already defined */
		151	/* also provides const_iv_ and const_niv_ macros for them */
		152	#include "def0.h"
		153
		154	#ifndef makedev
		155	# define makedev(maj,min) (((maj) << 8) | (min))
		156	#endif
		157	#ifndef major
		158	# define major(dev) ((dev) >> 8)
		159	#endif
		160	#ifndef minor
		161	# define minor(dev) ((dev) & 0xff)
		162	#endif
		163
		164	#if PAGESIZE <= 0
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	166	#endif
209		167
210	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
211	#define EIO_FINISH(req) req_invoke (req)	169
212	static void req_destroy (eio_req *grp);	170	static void
213	#define EIO_DESTROY(req) req_destroy (req)	171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
214		267
215	enum {	268	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	270	};
218		271
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
223		275
224	static SV *on_next_submit;	276	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	278	static int max_outstanding;
227		279
228	static s_epipe respipe;	280	static s_epipe respipe;
229		281
230	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
232		284
233	static void want_poll (void)	285	static void
		286	want_poll (void)
234	{	287	{
235	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
237	}	290	}
238		291
239	static void done_poll (void)	292	static void
		293	done_poll (void)
240	{	294	{
241	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
243	}	297	}
244		298
245	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
247	{	302	{
248	if (!req->self)	303	if (!req->self)
249	{	304	{
250	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	307	}
253		308
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	310	}
256		311
257	static aio_req SvAIO_REQ (SV *sv)	312	static SV *
		313	newSVaio_wd (aio_wd wd)
		314	{
		315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		316	}
		317
		318	static aio_req
		319	SvAIO_REQ (SV *sv)
258	{	320	{
259	MAGIC *mg;	321	MAGIC *mg;
260		322
261	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
266		329
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		331
269	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	333	}
271		334
		335	static aio_wd
		336	SvAIO_WD (SV *sv)
		337	{
		338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		342
		343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
		369	}
		370
		371	static void
272	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
273	{	373	{
274	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
275	{	375	{
276	dSP;	376	dSP;
277		377
…		…
285	FREETMPS;	385	FREETMPS;
286	LEAVE;	386	LEAVE;
287	}	387	}
288	}	388	}
289		389
		390	static void
290	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
291	{	392	{
292	eio_submit (req);	393	eio_submit (req);
293		394
294	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
295	{	396	{
…		…
302	PUTBACK;	403	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
304	}	405	}
305	}	406	}
306		407
		408	static int
307	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
308	{	410	{
309	dSP;
310
311	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
312	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
313		413
314	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
315	{	415	{
		416	dSP;
316	static SV *sv_result_cache; /* caches the result integer SV */	417	static SV *sv_result_cache; /* caches the result integer SV */
317	SV *sv_result;	418	SV *sv_result;
318		419
319	ENTER;	420	ENTER;
320	SAVETMPS;	421	SAVETMPS;
…		…
324	/* do not recreate the result IV from scratch each time */	425	/* do not recreate the result IV from scratch each time */
325	if (expect_true (sv_result_cache))	426	if (expect_true (sv_result_cache))
326	{	427	{
327	sv_result = sv_result_cache; sv_result_cache = 0;	428	sv_result = sv_result_cache; sv_result_cache = 0;
328	SvIV_set (sv_result, req->result);	429	SvIV_set (sv_result, req->result);
		430	SvIOK_only (sv_result);
329	}	431	}
330	else	432	else
331	{	433	{
332	sv_result = newSViv (req->result);	434	sv_result = newSViv (req->result);
333	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
334	}	436	}
335		437
336	switch (req->type)	438	switch (req->type)
337	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
338	case EIO_READDIR:	444	case EIO_READDIR:
339	{	445	{
340	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
341		447
342	if (req->result >= 0)	448	if (req->result >= 0)
…		…
395	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
396	}	502	}
397	break;	503	break;
398		504
399	case EIO_OPEN:	505	case EIO_OPEN:
400	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
401	/* convert fd to fh */
402	SV *fh = &PL_sv_undef;
403
404	if (req->result >= 0)
405	{
406	GV *gv = (GV *)sv_newmortal ();
407	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
408	char sym [64];
409	int symlen;
410
411	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
412	gv_init (gv, aio_stash, sym, symlen, 0);
413
414	symlen = snprintf (
415	sym,
416	sizeof (sym),
417	"%s&=%d",
418	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
419	(int)req->result
420	);
421
422	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
423	fh = (SV *)gv;
424	}
425
426	PUSHs (fh);
427	}
428	break;	507	break;
429		508
430	case EIO_STATVFS:	509	case EIO_STATVFS:
431	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
432	{	511	{
433	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
434		513
		514	#ifndef _WIN32
435	if (req->result >= 0)	515	if (req->result >= 0)
436	{	516	{
437	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
438	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
439		524
440	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
441		526
442	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
443	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
445	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
446	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
447	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
448	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
449	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
450	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
451	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
452	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
453	}	538	}
		539	#endif
454		540
455	PUSHs (rv);	541	PUSHs (rv);
456	}	542	}
457		543
458	break;	544	break;
…		…
474	case EIO_NOP:	560	case EIO_NOP:
475	case EIO_BUSY:	561	case EIO_BUSY:
476	break;	562	break;
477		563
478	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
479	if (req->result > 0)	566	if (req->result > 0)
480	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
481	break;	568	break;
482		569
483	case EIO_STAT:	570	case EIO_STAT:
484	case EIO_LSTAT:	571	case EIO_LSTAT:
485	case EIO_FSTAT:	572	case EIO_FSTAT:
486	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
487	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
488	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
489	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
490	break;	584	break;
491		585
492	case EIO_READ:	586	case EIO_READ:
493	{	587	{
494	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
497	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
498	PUSHs (sv_result);	592	PUSHs (sv_result);
499	}	593	}
500	break;	594	break;
501		595
502	case EIO_DUP2:	596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
		636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
503	if (req->result > 0)	637	if (req->result > 0)
504	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
505	/* FALLTHROUGH */	639	/* FALLTHROUGH */
506		640
507	default:	641	default:
…		…
527	}	661	}
528		662
529	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
530	}	664	}
531		665
		666	static void
532	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
533	{	668	{
534	if (req->self)	669	if (req->self)
535	{	670	{
536	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
537	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
538	}	673	}
539		674
540	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
541	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
542	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
543		680
544	Safefree (req);	681	free (req);
545	}	682	}
546		683
		684	static void
547	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
548	{	686	{
549	aio_req sub;
550
551	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
552	return;	688	return;
553		689
554	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
555	grp->sv2 = 0;	691	grp->sv2 = 0;
556		692
557	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
558	}	694	}
559		695
560	static void	696	static void ecb_cold
561	create_respipe (void)	697	create_respipe (void)
562	{	698	{
563	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
564	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
565	}	701	}
566		702
567	static void poll_wait (void)	703	static void
		704	poll_wait (void)
568	{	705	{
569	while (eio_nreqs ())	706	while (eio_nreqs ())
570	{	707	{
571	int size;	708	int size;
572		709
573	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
574	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
575	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
576		713
577	if (size)	714	if (size)
578	return;	715	return;
579		716
580	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
581		718
582	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
583	}	720	}
584	}	721	}
585		722
586	static int poll_cb (void)	723	static int
		724	poll_cb (void)
587	{	725	{
588	for (;;)	726	for (;;)
589	{	727	{
590	int res = eio_poll ();	728	int res = eio_poll ();
591		729
…		…
597		735
598	poll_wait ();	736	poll_wait ();
599	}	737	}
600	}	738	}
601		739
602	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
603	{	742	{
604	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
605	}	747	}
606		748
607	/*****************************************************************************/	749	/*****************************************************************************/
608		750
609	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
610	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
611	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
612	#endif	758	#endif
613		759
614	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
615		761
616	static int	762	static int ecb_cold
617	mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
618	{	764	{
619	int old_errno = errno;	765	int old_errno = errno;
620	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
621	errno = old_errno;	767	errno = old_errno;
622		768
623	mg->mg_obj = 0; /* just in case */	769	mg->mg_obj = 0; /* just in case */
624		770
625	SvREADONLY_off (sv);	771	SvREADONLY_off (sv);
		772
		773	if (SvPVX (sv) != mg->mg_ptr)
		774	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		775
626	SvCUR_set (sv, 0);	776	SvCUR_set (sv, 0);
627	SvLEN_set (sv, 0);
628	SvPVX (sv) = 0;	777	SvPVX (sv) = 0;
629	SvOK_off (sv);	778	SvOK_off (sv);
630		779
631	return 0;	780	return 0;
632	}	781	}
…		…
642	{	791	{
643	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
644	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
645	}	794	}
646		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
		799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
		803
		804	cb_cv = get_cb (callback);
		805
		806	req = calloc (sizeof (*req), 1);
		807	if (!req)
		808	croak ("out of memory during eio_req allocation");
		809
		810	req->callback = SvREFCNT_inc (cb_cv);
		811	req->pri = req_pri;
		812
		813	return req;
		814	}
		815
647	#define dREQ \	816	#define dREQ \
648	SV *cb_cv; \	817	aio_req req = dreq (callback); \
649	aio_req req; \
650	int req_pri = next_pri; \
651	next_pri = EIO_PRI_DEFAULT; \
652	\
653	cb_cv = get_cb (callback); \
654	\
655	Newz (0, req, 1, eio_req); \
656	if (!req) \
657	croak ("out of memory during eio_req allocation"); \
658	\
659	req->callback = SvREFCNT_inc (cb_cv); \
660	req->pri = req_pri
661		818
662	#define REQ_SEND \	819	#define REQ_SEND \
663	PUTBACK; \	820	PUTBACK; \
664	req_submit (req); \	821	req_submit (req); \
665	SPAGAIN; \	822	SPAGAIN; \
666	\	823	\
667	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
668	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
669		826
		827	ecb_inline void
		828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		829	{
		830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
		834
		835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
		842	*wd = SvAIO_WD (wdob);
		843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
		854	}
		855	else
		856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		857	}
		858
		859	*pathsv = newSVsv (path);
		860	*ptr = SvPVbyte_nolen (*pathsv);
		861	}
		862
		863	static void ecb_noinline
		864	req_set_path1 (aio_req req, SV *path)
		865	{
		866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		867	}
		868
		869	static void ecb_noinline
		870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		871	{
		872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		873
		874	switch (SvTYPE (rv))
		875	{
		876	case SVt_PVIO:
		877	case SVt_PVLV:
		878	case SVt_PVGV:
		879	req->type = type_fh;
		880	req->sv1 = newSVsv (fh_or_path);
		881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		882	break;
		883
		884	default:
		885	req->type = type_path;
		886	req_set_path1 (req, fh_or_path);
		887	break;
		888	}
		889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
		892
670	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
671		894
672	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
673		896
674	BOOT:	897	BOOT:
…		…
678	IV iv;	901	IV iv;
679	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
680	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
681	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
682	# define const_eio(name) { # name, (IV) EIO_ ## name },	905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
683	const_iv (EXDEV)	910	const_iv (EXDEV)
684	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
685	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
686	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
687	const_iv (O_RDWR)	934	const_iv (O_RDWR)
688	const_iv (O_CREAT)	935	const_iv (O_CREAT)
689	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
690	const_iv (O_EXCL)	937	const_iv (O_EXCL)
691	const_iv (O_APPEND)	938	const_iv (O_APPEND)
692	#ifndef _WIN32	939
		940	const_iv (O_ASYNC)
		941	const_iv (O_DIRECT)
		942	const_iv (O_NOATIME)
		943
		944	const_iv (O_CLOEXEC)
		945	const_iv (O_NOCTTY)
		946	const_iv (O_NOFOLLOW)
		947	const_iv (O_NONBLOCK)
		948	const_iv (O_EXEC)
		949	const_iv (O_SEARCH)
		950	const_iv (O_DIRECTORY)
		951	const_iv (O_DSYNC)
		952	const_iv (O_RSYNC)
		953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
		956	const_iv (O_TTY_INIT)
		957
693	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
694	#endif	959	const_iv (S_IFCHR)
695	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	960	const_iv (S_IFBLK)
696	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	961	const_iv (S_IFLNK)
697	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	962	const_iv (S_IFREG)
698	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	963	const_iv (S_IFDIR)
699	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	964	const_iv (S_IFWHT)
700	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
701		967
702	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
703	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
704	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
705	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
710	const_iv (ST_IMMUTABLE)	976	const_iv (ST_IMMUTABLE)
711	const_iv (ST_NOATIME)	977	const_iv (ST_NOATIME)
712	const_iv (ST_NODIRATIME)	978	const_iv (ST_NODIRATIME)
713	const_iv (ST_RELATIME)	979	const_iv (ST_RELATIME)
714		980
		981	const_iv (PROT_NONE)
715	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
716	const_iv (PROT_NONE)
717	const_iv (PROT_READ)	983	const_iv (PROT_READ)
718	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
719		985
720	/*const_iv (MAP_FIXED)*/
721	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
722	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
723	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
724		990
725	/* linuxish */	991	/* linuxish */
726	const_iv (MAP_HUGETLB)
727	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
728	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
729	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
730	const_iv (MAP_NONBLOCK)	995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
731		1000
		1001	const_iv (F_DUPFD_CLOEXEC)
		1002
		1003	const_iv (F_OFD_GETLK)
		1004	const_iv (F_OFD_SETLK)
		1005	const_iv (F_OFD_GETLKW)
		1006
		1007	const_iv (FIFREEZE)
		1008	const_iv (FITHAW)
		1009	const_iv (FITRIM)
		1010	const_iv (FICLONE)
		1011	const_iv (FICLONERANGE)
		1012	const_iv (FIDEDUPERANGE)
		1013
		1014	const_iv (FS_IOC_GETFLAGS)
		1015	const_iv (FS_IOC_SETFLAGS)
		1016	const_iv (FS_IOC_GETVERSION)
		1017	const_iv (FS_IOC_SETVERSION)
		1018	const_iv (FS_IOC_FIEMAP)
		1019	const_iv (FS_IOC_FSGETXATTR)
		1020	const_iv (FS_IOC_FSSETXATTR)
		1021	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1022	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1023	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1024
		1025	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1026
		1027	const_iv (FS_SECRM_FL)
		1028	const_iv (FS_UNRM_FL)
		1029	const_iv (FS_COMPR_FL)
		1030	const_iv (FS_SYNC_FL)
		1031	const_iv (FS_IMMUTABLE_FL)
		1032	const_iv (FS_APPEND_FL)
		1033	const_iv (FS_NODUMP_FL)
		1034	const_iv (FS_NOATIME_FL)
		1035	const_iv (FS_DIRTY_FL)
		1036	const_iv (FS_COMPRBLK_FL)
		1037	const_iv (FS_NOCOMP_FL)
		1038	const_iv (FS_ENCRYPT_FL)
		1039	const_iv (FS_BTREE_FL)
		1040	const_iv (FS_INDEX_FL)
		1041	const_iv (FS_JOURNAL_DATA_FL)
		1042	const_iv (FS_NOTAIL_FL)
		1043	const_iv (FS_DIRSYNC_FL)
		1044	const_iv (FS_TOPDIR_FL)
		1045	const_iv (FS_FL_USER_MODIFIABLE)
		1046
		1047	const_iv (FS_XFLAG_REALTIME)
		1048	const_iv (FS_XFLAG_PREALLOC)
		1049	const_iv (FS_XFLAG_IMMUTABLE)
		1050	const_iv (FS_XFLAG_APPEND)
		1051	const_iv (FS_XFLAG_SYNC)
		1052	const_iv (FS_XFLAG_NOATIME)
		1053	const_iv (FS_XFLAG_NODUMP)
		1054	const_iv (FS_XFLAG_RTINHERIT)
		1055	const_iv (FS_XFLAG_PROJINHERIT)
		1056	const_iv (FS_XFLAG_NOSYMLINKS)
		1057	const_iv (FS_XFLAG_EXTSIZE)
		1058	const_iv (FS_XFLAG_EXTSZINHERIT)
		1059	const_iv (FS_XFLAG_NODEFRAG)
		1060	const_iv (FS_XFLAG_FILESTREAM)
		1061	const_iv (FS_XFLAG_DAX)
		1062	const_iv (FS_XFLAG_HASATTR)
		1063
		1064	const_iv (FIEMAP_FLAG_SYNC)
		1065	const_iv (FIEMAP_FLAG_XATTR)
		1066	const_iv (FIEMAP_FLAGS_COMPAT)
		1067	const_iv (FIEMAP_EXTENT_LAST)
		1068	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1069	const_iv (FIEMAP_EXTENT_DELALLOC)
		1070	const_iv (FIEMAP_EXTENT_ENCODED)
		1071	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1072	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1073	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1074	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1075	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1076	const_iv (FIEMAP_EXTENT_MERGED)
		1077	const_iv (FIEMAP_EXTENT_SHARED)
		1078
		1079	const_iv (SPLICE_F_MOVE)
		1080	const_iv (SPLICE_F_NONBLOCK)
		1081	const_iv (SPLICE_F_MORE)
		1082	const_iv (SPLICE_F_GIFT)
		1083
		1084	/* these are libeio constants, and are independent of gendef0 */
		1085	const_eio (SEEK_SET)
		1086	const_eio (SEEK_CUR)
		1087	const_eio (SEEK_END)
		1088
732	const_iv (MCL_FUTURE)	1089	const_eio (MCL_FUTURE)
733	const_iv (MCL_CURRENT)	1090	const_eio (MCL_CURRENT)
734		1091
735	const_eio (MS_ASYNC)	1092	const_eio (MS_ASYNC)
736	const_eio (MS_INVALIDATE)	1093	const_eio (MS_INVALIDATE)
737	const_eio (MS_SYNC)	1094	const_eio (MS_SYNC)
738		1095
739	const_eio (MT_MODIFY)	1096	const_eio (MT_MODIFY)
740		1097
741	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1098	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
742	const_eio (SYNC_FILE_RANGE_WRITE)	1099	const_eio (SYNC_FILE_RANGE_WRITE)
743	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1100	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1101
		1102	const_eio (FALLOC_FL_KEEP_SIZE)
		1103	const_eio (FALLOC_FL_PUNCH_HOLE)
		1104	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1105	const_eio (FALLOC_FL_ZERO_RANGE)
		1106
		1107	const_eio (RENAME_NOREPLACE)
		1108	const_eio (RENAME_EXCHANGE)
		1109	const_eio (RENAME_WHITEOUT)
744		1110
745	const_eio (READDIR_DENTS)	1111	const_eio (READDIR_DENTS)
746	const_eio (READDIR_DIRS_FIRST)	1112	const_eio (READDIR_DIRS_FIRST)
747	const_eio (READDIR_STAT_ORDER)	1113	const_eio (READDIR_STAT_ORDER)
748	const_eio (READDIR_FOUND_UNKNOWN)	1114	const_eio (READDIR_FOUND_UNKNOWN)
…		…
759	};	1125	};
760		1126
761	aio_stash = gv_stashpv ("IO::AIO" , 1);	1127	aio_stash = gv_stashpv ("IO::AIO" , 1);
762	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1128	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
763	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1129	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1130	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
764		1131
765	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1132	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
766	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1133	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
767		1134
768	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1135	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
769		1136
770	create_respipe ();	1137	reinit ();
771
772	if (eio_init (want_poll, done_poll) < 0)
773	croak ("IO::AIO: unable to initialise eio library");
774
775	/* atfork child called in fifo order, so before eio's handler */
776	X_THREAD_ATFORK (0, 0, atfork_child);
777	}	1138	}
778		1139
779	void	1140	void
		1141	reinit ()
		1142	PROTOTYPE:
		1143
		1144	void
780	max_poll_reqs (int nreqs)	1145	max_poll_reqs (unsigned int nreqs)
781	PROTOTYPE: $	1146	PROTOTYPE: $
782	CODE:	1147	CODE:
783	eio_set_max_poll_reqs (nreqs);	1148	eio_set_max_poll_reqs (nreqs);
784		1149
785	void	1150	void
…		…
787	PROTOTYPE: $	1152	PROTOTYPE: $
788	CODE:	1153	CODE:
789	eio_set_max_poll_time (nseconds);	1154	eio_set_max_poll_time (nseconds);
790		1155
791	void	1156	void
792	min_parallel (int nthreads)	1157	min_parallel (unsigned int nthreads)
793	PROTOTYPE: $	1158	PROTOTYPE: $
794	CODE:	1159	CODE:
795	eio_set_min_parallel (nthreads);	1160	eio_set_min_parallel (nthreads);
796		1161
797	void	1162	void
798	max_parallel (int nthreads)	1163	max_parallel (unsigned int nthreads)
799	PROTOTYPE: $	1164	PROTOTYPE: $
800	CODE:	1165	CODE:
801	eio_set_max_parallel (nthreads);	1166	eio_set_max_parallel (nthreads);
802		1167
803	void	1168	void
804	max_idle (int nthreads)	1169	max_idle (unsigned int nthreads)
805	PROTOTYPE: $	1170	PROTOTYPE: $
806	CODE:	1171	CODE:
807	eio_set_max_idle (nthreads);	1172	eio_set_max_idle (nthreads);
808		1173
809	void	1174	void
		1175	idle_timeout (unsigned int seconds)
		1176	PROTOTYPE: $
		1177	CODE:
		1178	eio_set_idle_timeout (seconds);
		1179
		1180	void
810	max_outstanding (int maxreqs)	1181	max_outstanding (unsigned int maxreqs)
811	PROTOTYPE: $	1182	PROTOTYPE: $
812	CODE:	1183	CODE:
813	max_outstanding = maxreqs;	1184	max_outstanding = maxreqs;
814		1185
815	void	1186	void
816	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1187	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
817	PROTOTYPE: $$$;$
818	PPCODE:	1188	PPCODE:
819	{	1189	{
820	dREQ;	1190	dREQ;
821		1191
		1192	req->type = EIO_WD_OPEN;
		1193	req_set_path1 (req, pathname);
		1194
		1195	REQ_SEND;
		1196	}
		1197
		1198	void
		1199	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1200	PPCODE:
		1201	{
		1202	dREQ;
		1203
822	req->type = EIO_OPEN;	1204	req->type = EIO_OPEN;
823	req->sv1 = newSVsv (pathname);	1205	req_set_path1 (req, pathname);
824	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	req->int1 = flags;	1206	req->int1 = flags;
826	req->int2 = mode;	1207	req->int2 = mode;
827		1208
828	REQ_SEND;	1209	REQ_SEND;
829	}	1210	}
830		1211
831	void	1212	void
832	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1213	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
833	PROTOTYPE: $;$
834	ALIAS:	1214	ALIAS:
835	aio_fsync = EIO_FSYNC	1215	aio_fsync = EIO_FSYNC
836	aio_fdatasync = EIO_FDATASYNC	1216	aio_fdatasync = EIO_FDATASYNC
		1217	aio_syncfs = EIO_SYNCFS
837	PPCODE:	1218	PPCODE:
838	{	1219	{
839	int fd = s_fileno_croak (fh, 0);	1220	int fd = s_fileno_croak (fh, 0);
840	dREQ;	1221	dREQ;
841		1222
842	req->type = ix;	1223	req->type = ix;
843	req->sv1 = newSVsv (fh);	1224	req->sv1 = newSVsv (fh);
844	req->int1 = fd;	1225	req->int1 = fd;
845		1226
846	REQ_SEND (req);	1227	REQ_SEND;
847	}	1228	}
848		1229
849	void	1230	void
850	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1231	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
851	PROTOTYPE: $$$$;$
852	PPCODE:	1232	PPCODE:
853	{	1233	{
854	int fd = s_fileno_croak (fh, 0);	1234	int fd = s_fileno_croak (fh, 0);
855	dREQ;	1235	dREQ;
856		1236
857	req->type = EIO_SYNC_FILE_RANGE;	1237	req->type = EIO_SYNC_FILE_RANGE;
858	req->sv1 = newSVsv (fh);	1238	req->sv1 = newSVsv (fh);
859	req->int1 = fd;	1239	req->int1 = fd;
860	req->offs = offset;	1240	req->offs = offset;
861	req->size = nbytes;	1241	req->size = nbytes;
862	req->int2 = flags;	1242	req->int2 = flags;
863		1243
864	REQ_SEND (req);	1244	REQ_SEND;
865	}	1245	}
866		1246
867	void	1247	void
868	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1248	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
869	PROTOTYPE: $;$
870	PPCODE:	1249	PPCODE:
871	{	1250	{
872	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
873	int fd = s_fileno_croak (fh, 0);	1251	int fd = s_fileno_croak (fh, 0);
874	dREQ;	1252	dREQ;
875		1253
876	if (close_pipe < 0)	1254	req->type = EIO_FALLOCATE;
		1255	req->sv1 = newSVsv (fh);
		1256	req->int1 = fd;
		1257	req->int2 = mode;
		1258	req->offs = offset;
		1259	req->size = len;
		1260
		1261	REQ_SEND;
		1262	}
		1263
		1264	void
		1265	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1266	PPCODE:
		1267	{
		1268	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1269	int fd = s_fileno_croak (fh, 0);
		1270	dREQ;
		1271
		1272	if (expect_false (close_fd < 0))
877	{	1273	{
878	int pipefd [2];	1274	int pipefd [2];
879		1275
		1276	if (
		1277	#ifdef _WIN32
		1278	_pipe (pipefd, 1, _O_BINARY) < 0
		1279	#else
880	if (pipe (pipefd) < 0	1280	pipe (pipefd) < 0
881	|| close (pipefd [1]) < 0
882	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1281	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1282	#endif
		1283	|| close (pipefd [1]) < 0
		1284	)
883	abort (); /*D*/	1285	abort (); /*D*/
884		1286
885	close_pipe = pipefd [0];	1287	close_fd = pipefd [0];
886	}	1288	}
887		1289
888	req->type = EIO_DUP2;	1290	req->type = EIO_DUP2;
889	req->int1 = close_pipe;	1291	req->int1 = close_fd;
890	req->sv2 = newSVsv (fh);	1292	req->sv2 = newSVsv (fh);
891	req->int2 = fd;	1293	req->int2 = fd;
892		1294
893	REQ_SEND (req);	1295	REQ_SEND;
894	}	1296	}
895		1297
896	void	1298	void
		1299	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1300	PPCODE:
		1301	{
		1302	int fd = s_fileno_croak (fh, 0);
		1303	dREQ;
		1304
		1305	req->type = EIO_SEEK;
		1306	req->sv1 = newSVsv (fh);
		1307	req->int1 = fd;
		1308	req->offs = SvVAL64 (offset);
		1309	req->int2 = whence;
		1310
		1311	REQ_SEND;
		1312	}
		1313
		1314	void
897	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1315	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
898	ALIAS:	1316	ALIAS:
899	aio_read = EIO_READ	1317	aio_read = EIO_READ
900	aio_write = EIO_WRITE	1318	aio_write = EIO_WRITE
901	PROTOTYPE: $$$$$;$
902	PPCODE:	1319	PPCODE:
903	{	1320	{
904	STRLEN svlen;	1321	STRLEN svlen;
905	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1322	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
906	char *svptr = SvPVbyte (data, svlen);	1323	char *svptr = SvPVbyte (data, svlen);
…		…
919	len = svlen - dataoffset;	1336	len = svlen - dataoffset;
920	}	1337	}
921	else	1338	else
922	{	1339	{
923	/* read: check type and grow scalar as necessary */	1340	/* read: check type and grow scalar as necessary */
924	SvUPGRADE (data, SVt_PV);	1341	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
925	svptr = SvGROW (data, len + dataoffset + 1);	1342	svptr = sv_grow (data, len + dataoffset + 1);
		1343	else if (SvCUR (data) < len + dataoffset)
		1344	croak ("length + dataoffset outside of scalar, and cannot grow");
926	}	1345	}
927		1346
928	{	1347	{
929	dREQ;	1348	dREQ;
930		1349
…		…
946	REQ_SEND;	1365	REQ_SEND;
947	}	1366	}
948	}	1367	}
949		1368
950	void	1369	void
951	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1370	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
952	PROTOTYPE: $$;$	1371	ALIAS:
		1372	aio_ioctl = EIO_IOCTL
		1373	aio_fcntl = EIO_FCNTL
953	PPCODE:	1374	PPCODE:
954	{	1375	{
955	SV *data;	1376	int fd = s_fileno_croak (fh, 0);
		1377	char *svptr;
		1378
		1379	if (SvPOK (arg) || !SvNIOK (arg))
		1380	{
		1381	STRLEN svlen;
		1382	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1383	#ifdef IOCPARM_LEN
		1384	STRLEN need = IOCPARM_LEN (request);
		1385	#else
		1386	STRLEN need = 256;
		1387	#endif
		1388
		1389	if (svlen < need)
		1390	svptr = SvGROW (arg, need);
		1391	}
		1392	else
		1393	svptr = (char *)SvIV (arg);
		1394
		1395	{
		1396	dREQ;
		1397
		1398	req->type = ix;
		1399	req->sv1 = newSVsv (fh);
		1400	req->int1 = fd;
		1401	req->int2 = (long)request;
		1402	req->sv2 = SvREFCNT_inc (arg);
		1403	req->ptr2 = svptr;
		1404
		1405	REQ_SEND;
		1406	}
		1407	}
		1408
		1409	void
		1410	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1411	ALIAS:
		1412	aio_readlink = EIO_READLINK
		1413	aio_realpath = EIO_REALPATH
		1414	PPCODE:
		1415	{
956	dREQ;	1416	dREQ;
957		1417
958	req->type = EIO_READLINK;	1418	req->type = ix;
959	req->sv1 = newSVsv (path);	1419	req_set_path1 (req, pathname);
960	req->ptr1 = SvPVbyte_nolen (req->sv1);
961		1420
962	REQ_SEND;	1421	REQ_SEND;
963	}	1422	}
964		1423
965	void	1424	void
966	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1425	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
967	PROTOTYPE: $$$$;$
968	PPCODE:	1426	PPCODE:
969	{	1427	{
970	int ifd = s_fileno_croak (in_fh , 0);	1428	int ifd = s_fileno_croak (in_fh , 0);
971	int ofd = s_fileno_croak (out_fh, 1);	1429	int ofd = s_fileno_croak (out_fh, 1);
972	dREQ;	1430	dREQ;
973		1431
974	req->type = EIO_SENDFILE;	1432	req->type = EIO_SENDFILE;
975	req->sv1 = newSVsv (out_fh);	1433	req->sv1 = newSVsv (out_fh);
976	req->int1 = ofd;	1434	req->int1 = ofd;
…		…
981		1439
982	REQ_SEND;	1440	REQ_SEND;
983	}	1441	}
984		1442
985	void	1443	void
986	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1444	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
987	PROTOTYPE: $$$;$
988	PPCODE:	1445	PPCODE:
989	{	1446	{
990	int fd = s_fileno_croak (fh, 0);	1447	int fd = s_fileno_croak (fh, 0);
991	dREQ;	1448	dREQ;
992		1449
993	req->type = EIO_READAHEAD;	1450	req->type = EIO_READAHEAD;
994	req->sv1 = newSVsv (fh);	1451	req->sv1 = newSVsv (fh);
995	req->int1 = fd;	1452	req->int1 = fd;
…		…
998		1455
999	REQ_SEND;	1456	REQ_SEND;
1000	}	1457	}
1001		1458
1002	void	1459	void
1003	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1460	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1004	ALIAS:	1461	ALIAS:
1005	aio_stat = EIO_STAT	1462	aio_stat = EIO_STAT
1006	aio_lstat = EIO_LSTAT	1463	aio_lstat = EIO_LSTAT
1007	aio_statvfs = EIO_STATVFS	1464	aio_statvfs = EIO_STATVFS
1008	PPCODE:	1465	PPCODE:
1009	{	1466	{
1010	dREQ;	1467	dREQ;
1011		1468
1012	req->sv1 = newSVsv (fh_or_path);	1469	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1013
1014	if (SvPOK (req->sv1))
1015	{
1016	req->type = ix;
1017	req->ptr1 = SvPVbyte_nolen (req->sv1);
1018	}
1019	else
1020	{
1021	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1022	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1023	}
1024		1470
1025	REQ_SEND;	1471	REQ_SEND;
1026	}	1472	}
1027		1473
		1474	UV
		1475	major (UV dev)
		1476	ALIAS:
		1477	minor = 1
		1478	CODE:
		1479	RETVAL = ix ? minor (dev) : major (dev);
		1480	OUTPUT:
		1481	RETVAL
		1482
		1483	UV
		1484	makedev (UV maj, UV min)
		1485	CODE:
		1486	RETVAL = makedev (maj, min);
		1487	OUTPUT:
		1488	RETVAL
		1489
1028	void	1490	void
1029	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1491	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1030	PPCODE:	1492	PPCODE:
1031	{	1493	{
1032	dREQ;	1494	dREQ;
1033		1495
1034	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1496	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1035	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1497	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1036	req->sv1 = newSVsv (fh_or_path);	1498	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1037
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_UTIME;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FUTIME;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1499
1049	REQ_SEND;	1500	REQ_SEND;
1050	}	1501	}
1051		1502
1052	void	1503	void
1053	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1504	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1054	PPCODE:	1505	PPCODE:
1055	{	1506	{
1056	dREQ;	1507	dREQ;
1057		1508
1058	req->sv1 = newSVsv (fh_or_path);
1059	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1509	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1060		1510	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1061	if (SvPOK (req->sv1))
1062	{
1063	req->type = EIO_TRUNCATE;
1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
1065	}
1066	else
1067	{
1068	req->type = EIO_FTRUNCATE;
1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070	}
1071		1511
1072	REQ_SEND;	1512	REQ_SEND;
1073	}	1513	}
1074		1514
1075	void	1515	void
1076	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1516	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1077	ALIAS:
1078	aio_chmod = EIO_CHMOD
1079	aio_mkdir = EIO_MKDIR
1080	PPCODE:	1517	PPCODE:
1081	{	1518	{
1082	dREQ;	1519	dREQ;
1083		1520
1084	req->int2 = mode;	1521	req->int2 = mode;
1085	req->sv1 = newSVsv (fh_or_path);	1522	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1086
1087	if (SvPOK (req->sv1))
1088	{
1089	req->type = ix;
1090	req->ptr1 = SvPVbyte_nolen (req->sv1);
1091	}
1092	else
1093	{
1094	req->type = EIO_FCHMOD;
1095	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1096	}
1097		1523
1098	REQ_SEND;	1524	REQ_SEND;
1099	}	1525	}
1100		1526
1101	void	1527	void
1102	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1528	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1103	PPCODE:	1529	PPCODE:
1104	{	1530	{
1105	dREQ;	1531	dREQ;
1106		1532
1107	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1533	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1108	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1534	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1109	req->sv1 = newSVsv (fh_or_path);	1535	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1110
1111	if (SvPOK (req->sv1))
1112	{
1113	req->type = EIO_CHOWN;
1114	req->ptr1 = SvPVbyte_nolen (req->sv1);
1115	}
1116	else
1117	{
1118	req->type = EIO_FCHOWN;
1119	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1120	}
1121		1536
1122	REQ_SEND;	1537	REQ_SEND;
1123	}	1538	}
1124		1539
1125	void	1540	void
1126	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1541	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1127	PPCODE:	1542	PPCODE:
1128	{	1543	{
1129	dREQ;	1544	dREQ;
1130		1545
1131	req->type = EIO_READDIR;	1546	req->type = EIO_READDIR;
1132	req->sv1 = newSVsv (pathname);
1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
1134	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1547	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1135		1548
1136	if (flags & EIO_READDIR_DENTS)	1549	if (flags & EIO_READDIR_DENTS)
1137	req->int1 |= EIO_READDIR_CUSTOM2;	1550	req->int1 |= EIO_READDIR_CUSTOM2;
1138		1551
		1552	req_set_path1 (req, pathname);
		1553
1139	REQ_SEND;	1554	REQ_SEND;
1140	}	1555	}
1141		1556
1142	void	1557	void
		1558	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1559	PPCODE:
		1560	{
		1561	dREQ;
		1562
		1563	req->type = EIO_MKDIR;
		1564	req->int2 = mode;
		1565	req_set_path1 (req, pathname);
		1566
		1567	REQ_SEND;
		1568	}
		1569
		1570	void
1143	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1571	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1144	ALIAS:	1572	ALIAS:
1145	aio_unlink = EIO_UNLINK	1573	aio_unlink = EIO_UNLINK
1146	aio_rmdir = EIO_RMDIR	1574	aio_rmdir = EIO_RMDIR
1147	aio_readdir = EIO_READDIR	1575	aio_readdir = EIO_READDIR
1148	PPCODE:	1576	PPCODE:
1149	{	1577	{
1150	dREQ;	1578	dREQ;
1151		1579
1152	req->type = ix;	1580	req->type = ix;
1153	req->sv1 = newSVsv (pathname);	1581	req_set_path1 (req, pathname);
1154	req->ptr1 = SvPVbyte_nolen (req->sv1);
1155		1582
1156	REQ_SEND;	1583	REQ_SEND;
1157	}	1584	}
1158		1585
1159	void	1586	void
1160	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1587	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1161	ALIAS:	1588	ALIAS:
1162	aio_link = EIO_LINK	1589	aio_link = EIO_LINK
1163	aio_symlink = EIO_SYMLINK	1590	aio_symlink = EIO_SYMLINK
1164	aio_rename = EIO_RENAME	1591	aio_rename = EIO_RENAME
1165	PPCODE:	1592	PPCODE:
1166	{	1593	{
		1594	eio_wd wd2 = 0;
1167	dREQ;	1595	dREQ;
1168		1596
1169	req->type = ix;	1597	req->type = ix;
1170	req->sv1 = newSVsv (oldpath);	1598	req_set_path1 (req, oldpath);
1171	req->ptr1 = SvPVbyte_nolen (req->sv1);	1599	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1172	req->sv2 = newSVsv (newpath);	1600	req->int3 = (long)wd2;
1173	req->ptr2 = SvPVbyte_nolen (req->sv2);
1174		1601
1175	REQ_SEND;	1602	REQ_SEND;
1176	}	1603	}
1177		1604
1178	void	1605	void
		1606	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1607	PPCODE:
		1608	{
		1609	eio_wd wd2 = 0;
		1610	dREQ;
		1611
		1612	req->type = EIO_RENAME;
		1613	req_set_path1 (req, oldpath);
		1614	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1615	req->int2 = flags;
		1616	req->int3 = (long)wd2;
		1617
		1618	REQ_SEND;
		1619	}
		1620
		1621	void
1179	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1622	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1180	PPCODE:	1623	PPCODE:
1181	{	1624	{
1182	dREQ;	1625	dREQ;
1183		1626
1184	req->type = EIO_MKNOD;	1627	req->type = EIO_MKNOD;
1185	req->sv1 = newSVsv (pathname);
1186	req->ptr1 = SvPVbyte_nolen (req->sv1);
1187	req->int2 = (mode_t)mode;	1628	req->int2 = (mode_t)mode;
1188	req->offs = dev;	1629	req->offs = dev;
		1630	req_set_path1 (req, pathname);
1189		1631
1190	REQ_SEND;	1632	REQ_SEND;
1191	}	1633	}
1192		1634
1193	void	1635	void
1194	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1636	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1195	ALIAS:	1637	ALIAS:
1196	aio_mtouch = EIO_MTOUCH	1638	aio_mtouch = EIO_MTOUCH
1197	aio_msync = EIO_MSYNC	1639	aio_msync = EIO_MSYNC
1198	PROTOTYPE: $$$$;$
1199	PPCODE:	1640	PPCODE:
1200	{	1641	{
1201	STRLEN svlen;	1642	STRLEN svlen;
		1643	char *svptr = SvPVbyte (data, svlen);
1202	UV len = SvUV (length);	1644	UV len = SvUV (length);
1203	char *svptr = SvPVbyte (data, svlen);	1645
		1646	if (flags < 0)
		1647	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1204		1648
1205	if (offset < 0)	1649	if (offset < 0)
1206	offset += svlen;	1650	offset += svlen;
1207		1651
1208	if (offset < 0 || offset > svlen)	1652	if (offset < 0 || offset > svlen)
…		…
1213		1657
1214	{	1658	{
1215	dREQ;	1659	dREQ;
1216		1660
1217	req->type = ix;	1661	req->type = ix;
1218	req->size = len;
1219	req->sv2 = SvREFCNT_inc (data);	1662	req->sv2 = SvREFCNT_inc (data);
1220	req->ptr2 = (char *)svptr + offset;	1663	req->ptr2 = (char *)svptr + offset;
		1664	req->size = len;
1221	req->int1 = flags;	1665	req->int1 = flags;
1222		1666
1223	REQ_SEND;	1667	REQ_SEND;
1224	}	1668	}
1225	}	1669	}
1226		1670
1227	void	1671	void
		1672	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1673	PPCODE:
		1674	{
		1675	STRLEN svlen;
		1676	char *svptr = SvPVbyte (data, svlen);
		1677	UV len = SvUV (length);
		1678
		1679	if (offset < 0)
		1680	offset += svlen;
		1681
		1682	if (offset < 0 || offset > svlen)
		1683	croak ("offset outside of scalar");
		1684
		1685	if (!SvOK (length) || len + offset > svlen)
		1686	len = svlen - offset;
		1687
		1688	{
		1689	dREQ;
		1690
		1691	req->type = EIO_MLOCK;
		1692	req->sv2 = SvREFCNT_inc (data);
		1693	req->ptr2 = (char *)svptr + offset;
		1694	req->size = len;
		1695
		1696	REQ_SEND;
		1697	}
		1698	}
		1699
		1700	void
		1701	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1702	PPCODE:
		1703	{
		1704	dREQ;
		1705
		1706	req->type = EIO_MLOCKALL;
		1707	req->int1 = flags;
		1708
		1709	REQ_SEND;
		1710	}
		1711
		1712	void
		1713	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1714	PPCODE:
		1715	{
		1716	int fd = s_fileno_croak (fh, 0);
		1717	dREQ;
		1718
		1719	req->type = EIO_CUSTOM;
		1720	req->sv1 = newSVsv (fh);
		1721	req->int1 = fd;
		1722
		1723	req->feed = fiemap;
		1724	#if HAVE_FIEMAP
		1725	/* keep our fingers crossed that the next two types are 64 bit */
		1726	req->offs = start;
		1727	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1728	req->int2 = flags;
		1729	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1730	#endif
		1731
		1732	REQ_SEND;
		1733	}
		1734
		1735	void
1228	aio_busy (double delay, SV *callback=&PL_sv_undef)	1736	aio_busy (double delay, SV *callback = &PL_sv_undef)
1229	PPCODE:	1737	PPCODE:
1230	{	1738	{
1231	dREQ;	1739	dREQ;
1232		1740
1233	req->type = EIO_BUSY;	1741	req->type = EIO_BUSY;
…		…
1235		1743
1236	REQ_SEND;	1744	REQ_SEND;
1237	}	1745	}
1238		1746
1239	void	1747	void
1240	aio_group (SV *callback=&PL_sv_undef)	1748	aio_group (SV *callback = &PL_sv_undef)
1241	PROTOTYPE: ;$
1242	PPCODE:	1749	PPCODE:
1243	{	1750	{
1244	dREQ;	1751	dREQ;
1245		1752
1246	req->type = EIO_GROUP;	1753	req->type = EIO_GROUP;
1247		1754
		1755	PUTBACK;
1248	req_submit (req);	1756	req_submit (req);
		1757	SPAGAIN;
		1758
1249	XPUSHs (req_sv (req, aio_grp_stash));	1759	XPUSHs (req_sv (req, aio_grp_stash));
1250	}	1760	}
1251		1761
1252	void	1762	void
1253	aio_nop (SV *callback=&PL_sv_undef)	1763	aio_nop (SV *callback = &PL_sv_undef)
1254	ALIAS:	1764	ALIAS:
1255	aio_nop = EIO_NOP	1765	aio_nop = EIO_NOP
1256	aio_sync = EIO_SYNC	1766	aio_sync = EIO_SYNC
1257	PPCODE:	1767	PPCODE:
1258	{	1768	{
…		…
1262		1772
1263	REQ_SEND;	1773	REQ_SEND;
1264	}	1774	}
1265		1775
1266	int	1776	int
1267	aioreq_pri (int pri = 0)	1777	aioreq_pri (int pri = NO_INIT)
1268	PROTOTYPE: ;$
1269	CODE:	1778	CODE:
1270	RETVAL = next_pri;	1779	RETVAL = next_pri;
1271	if (items > 0)	1780	if (items > 0)
1272	{	1781	{
1273	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1782	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1285	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1794	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1286	next_pri = nice;	1795	next_pri = nice;
1287		1796
1288	void	1797	void
1289	flush ()	1798	flush ()
1290	PROTOTYPE:
1291	CODE:	1799	CODE:
1292	while (eio_nreqs ())	1800	while (eio_nreqs ())
1293	{	1801	{
1294	poll_wait ();	1802	poll_wait ();
1295	poll_cb ();	1803	poll_cb ();
1296	}	1804	}
1297		1805
1298	int	1806	int
1299	poll()	1807	poll ()
1300	PROTOTYPE:
1301	CODE:	1808	CODE:
1302	poll_wait ();	1809	poll_wait ();
1303	RETVAL = poll_cb ();	1810	RETVAL = poll_cb ();
1304	OUTPUT:	1811	OUTPUT:
1305	RETVAL	1812	RETVAL
1306		1813
1307	int	1814	int
1308	poll_fileno()	1815	poll_fileno ()
1309	PROTOTYPE:
1310	CODE:	1816	CODE:
1311	RETVAL = s_epipe_fd (&respipe);	1817	RETVAL = s_epipe_fd (&respipe);
1312	OUTPUT:	1818	OUTPUT:
1313	RETVAL	1819	RETVAL
1314		1820
1315	int	1821	int
1316	poll_cb(...)	1822	poll_cb (...)
1317	PROTOTYPE:	1823	PROTOTYPE:
1318	CODE:	1824	CODE:
1319	RETVAL = poll_cb ();	1825	RETVAL = poll_cb ();
1320	OUTPUT:	1826	OUTPUT:
1321	RETVAL	1827	RETVAL
1322		1828
1323	void	1829	void
1324	poll_wait()	1830	poll_wait ()
1325	PROTOTYPE:
1326	CODE:	1831	CODE:
1327	poll_wait ();	1832	poll_wait ();
1328		1833
1329	int	1834	int
1330	nreqs()	1835	nreqs ()
1331	PROTOTYPE:
1332	CODE:	1836	CODE:
1333	RETVAL = eio_nreqs ();	1837	RETVAL = eio_nreqs ();
1334	OUTPUT:	1838	OUTPUT:
1335	RETVAL	1839	RETVAL
1336		1840
1337	int	1841	int
1338	nready()	1842	nready ()
1339	PROTOTYPE:
1340	CODE:	1843	CODE:
1341	RETVAL = eio_nready ();	1844	RETVAL = eio_nready ();
1342	OUTPUT:	1845	OUTPUT:
1343	RETVAL	1846	RETVAL
1344		1847
1345	int	1848	int
1346	npending()	1849	npending ()
1347	PROTOTYPE:
1348	CODE:	1850	CODE:
1349	RETVAL = eio_npending ();	1851	RETVAL = eio_npending ();
1350	OUTPUT:	1852	OUTPUT:
1351	RETVAL	1853	RETVAL
1352		1854
1353	int	1855	int
1354	nthreads()	1856	nthreads ()
1355	PROTOTYPE:
1356	CODE:	1857	CODE:
1357	RETVAL = eio_nthreads ();	1858	RETVAL = eio_nthreads ();
1358	OUTPUT:	1859	OUTPUT:
1359	RETVAL	1860	RETVAL
1360		1861
1361	int	1862	int
1362	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1863	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1363	PROTOTYPE: $$$$
1364	CODE:	1864	CODE:
1365	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1366	RETVAL = posix_fadvise (fh, offset, length, advice);	1865	RETVAL = posix_fadvise (fh, offset, length, advice);
1367	#else
1368	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1369	#endif
1370	OUTPUT:	1866	OUTPUT:
1371	RETVAL	1867	RETVAL
1372		1868
1373	ssize_t	1869	IV
1374	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1870	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1375	PROTOTYPE: $$$$
1376	CODE:	1871	CODE:
1377	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1872	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378	OUTPUT:	1873	OUTPUT:
1379	RETVAL	1874	RETVAL
1380		1875
1381	void	1876	void
1382	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1877	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1383	PROTOTYPE: $$$$$;$
1384	PPCODE:	1878	PPCODE:
1385	sv_unmagic (scalar, MMAP_MAGIC);	1879	sv_unmagic (scalar, MMAP_MAGIC);
1386	{	1880	{
1387	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1881	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1882	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389	if (addr == (void *)-1)	1883	if (addr == (void *)-1)
1390	XSRETURN_NO;	1884	XSRETURN_NO;
1391		1885
		1886	sv_force_normal (scalar);
		1887
1392	/* we store the length in mg_obj, as namlen is I32 :/ */	1888	/* we store the length in mg_obj, as namlen is I32 :/ */
1393	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1889	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394	->mg_obj = (SV *)length;	1890	->mg_obj = (SV *)length;
1395		1891
1396	SvUPGRADE (scalar, SVt_PV); /* nop... */	1892	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1893
1397	if (!(prot & PROT_WRITE))	1894	if (!(prot & PROT_WRITE))
1398	SvREADONLY_on (scalar);	1895	SvREADONLY_on (scalar);
		1896
		1897	if (SvLEN (scalar))
		1898	Safefree (SvPVX (scalar));
1399		1899
1400	SvPVX (scalar) = (char *)addr;	1900	SvPVX (scalar) = (char *)addr;
1401	SvCUR_set (scalar, length);	1901	SvCUR_set (scalar, length);
1402	SvLEN_set (scalar, 0);	1902	SvLEN_set (scalar, 0);
1403	SvPOK_only (scalar);	1903	SvPOK_only (scalar);
…		…
1405	XSRETURN_YES;	1905	XSRETURN_YES;
1406	}	1906	}
1407		1907
1408	void	1908	void
1409	munmap (SV *scalar)	1909	munmap (SV *scalar)
1410	PROTOTYPE: $
1411	CODE:	1910	CODE:
1412	sv_unmagic (scalar, MMAP_MAGIC);	1911	sv_unmagic (scalar, MMAP_MAGIC);
1413		1912
1414	int	1913	int
1415	mlockall (int flags)	1914	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1416	PROTOTYPE: $	1915	ALIAS:
		1916	mprotect = 1
1417	CODE:	1917	CODE:
		1918	{
		1919	STRLEN svlen;
		1920	void *addr = SvPVbyte (scalar, svlen);
		1921	STRLEN len = SvUV (length);
		1922
		1923	if (offset < 0)
		1924	offset += svlen;
		1925
		1926	if (offset < 0 || offset > svlen)
		1927	croak ("offset outside of scalar");
		1928
		1929	if (!SvOK (length) || len + offset > svlen)
		1930	len = svlen - offset;
		1931
		1932	addr = (void *)(((intptr_t)addr) + offset);
		1933	eio_page_align (&addr, &len);
		1934
		1935	switch (ix)
		1936	{
		1937	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1938	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1939	}
		1940	}
		1941	OUTPUT:
		1942	RETVAL
		1943
		1944	int
		1945	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1946	CODE:
		1947	{
		1948	STRLEN svlen;
		1949	void *addr = SvPVbyte (scalar, svlen);
		1950	size_t len = SvUV (length);
		1951
		1952	if (offset < 0)
		1953	offset += svlen;
		1954
		1955	if (offset < 0 || offset > svlen)
		1956	croak ("offset outside of scalar");
		1957
		1958	if (!SvOK (length) || len + offset > svlen)
		1959	len = svlen - offset;
		1960
		1961	addr = (void *)(((intptr_t)addr) + offset);
		1962	eio_page_align (&addr, &len);
1418	#if _POSIX_MEMLOCK	1963	#if _POSIX_MEMLOCK_RANGE
1419	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1964	RETVAL = munlock (addr, len);
1420	extern int mallopt (int, int);
1421	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1422	#endif
1423	mlockall (flags);
1424	#else	1965	#else
1425	RETVAL = -1;	1966	RETVAL = EIO_ENOSYS ();
1426	errno = ENOSYS;
1427	#endif	1967	#endif
		1968	}
1428	OUTPUT:	1969	OUTPUT:
1429	RETVAL	1970	RETVAL
1430		1971
1431	int	1972	int
1432	munlockall ()	1973	munlockall ()
1433	PROTOTYPE:
1434	CODE:	1974	CODE:
1435	#if _POSIX_MEMLOCK	1975	#if _POSIX_MEMLOCK
1436	munlockall ();	1976	munlockall ();
1437	#else	1977	#else
1438	RETVAL = -1;	1978	RETVAL = EIO_ENOSYS ();
1439	errno = ENOSYS;
1440	#endif	1979	#endif
1441	OUTPUT:	1980	OUTPUT:
1442	RETVAL	1981	RETVAL
		1982
		1983	int
		1984	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1985	CODE:
		1986	{
		1987	#if HAVE_LINUX_SPLICE
		1988	loff_t off_in_, off_out_;
		1989	RETVAL = splice (
		1990	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1991	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1992	length, flags
		1993	);
		1994	#else
		1995	RETVAL = EIO_ENOSYS ();
		1996	#endif
		1997	}
		1998	OUTPUT:
		1999	RETVAL
		2000
		2001	int
		2002	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2003	CODE:
		2004	#if HAVE_LINUX_SPLICE
		2005	RETVAL = tee (rfh, wfh, length, flags);
		2006	#else
		2007	RETVAL = EIO_ENOSYS ();
		2008	#endif
		2009	OUTPUT:
		2010	RETVAL
		2011
		2012	int
		2013	pipesize (aio_rfd rfh, int new_size = -1)
		2014	PROTOTYPE: $;$
		2015	CODE:
		2016	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2017	if (new_size >= 0)
		2018	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2019	else
		2020	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2021	#else
		2022	errno = ENOSYS;
		2023	RETVAL = -1;
		2024	#endif
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	void
		2029	pipe2 (int flags = 0)
		2030	PROTOTYPE: ;$
		2031	PPCODE:
		2032	{
		2033	int fd[2];
		2034	int res;
		2035
		2036	if (flags)
		2037	#if HAVE_PIPE2
		2038	res = pipe2 (fd, flags);
		2039	#else
		2040	res = (errno = ENOSYS, -1);
		2041	#endif
		2042	else
		2043	res = pipe (fd);
		2044
		2045	if (!res)
		2046	{
		2047	EXTEND (SP, 2);
		2048	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2049	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2050	}
		2051	}
1443		2052
1444	void _on_next_submit (SV *cb)	2053	void _on_next_submit (SV *cb)
1445	CODE:	2054	CODE:
1446	SvREFCNT_dec (on_next_submit);	2055	SvREFCNT_dec (on_next_submit);
1447	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2056	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1448		2057
1449	PROTOTYPES: DISABLE	2058	PROTOTYPES: DISABLE
1450		2059
		2060	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2061
		2062	BOOT:
		2063	{
		2064	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2065	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2066	}
		2067
		2068	void
		2069	DESTROY (SV *self)
		2070	CODE:
		2071	{
		2072	aio_wd wd = SvAIO_WD (self);
		2073	#if HAVE_AT
		2074	{
		2075	SV *callback = &PL_sv_undef;
		2076	dREQ; /* clobbers next_pri :/ */
		2077	next_pri = req->pri; /* restore next_pri */
		2078	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2079	req->type = EIO_WD_CLOSE;
		2080	req->wd = wd;
		2081	REQ_SEND;
		2082	}
		2083	#else
		2084	eio_wd_close_sync (wd);
		2085	#endif
		2086	}
		2087
1451	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2088	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1452		2089
1453	void	2090	void
1454	cancel (aio_req_ornot req)	2091	cancel (aio_req_ornot req)
1455	CODE:	2092	CODE:
1456	eio_cancel (req);	2093	eio_cancel (req);
1457		2094
1458	void	2095	void
1459	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2096	cb (aio_req_ornot req, SV *callback = NO_INIT)
1460	PPCODE:	2097	PPCODE:
1461	{	2098	{
1462	if (GIMME_V != G_VOID)	2099	if (GIMME_V != G_VOID)
1463	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1464		2101
1465	if (items > 1)	2102	if (items > 1)
1466	{	2103	{
1467	SV *cb_cv =get_cb (callback);	2104	SV *cb_cv = get_cb (callback);
1468		2105
1469	SvREFCNT_dec (req->callback);	2106	SvREFCNT_dec (req->callback);
1470	req->callback = SvREFCNT_inc (cb_cv);	2107	req->callback = SvREFCNT_inc (cb_cv);
1471	}	2108	}
1472	}	2109	}
…		…
1529	limit (aio_req grp, int limit)	2166	limit (aio_req grp, int limit)
1530	CODE:	2167	CODE:
1531	eio_grp_limit (grp, limit);	2168	eio_grp_limit (grp, limit);
1532		2169
1533	void	2170	void
1534	feed (aio_req grp, SV *callback=&PL_sv_undef)	2171	feed (aio_req grp, SV *callback = &PL_sv_undef)
1535	CODE:	2172	CODE:
1536	{	2173	{
1537	SvREFCNT_dec (grp->sv2);	2174	SvREFCNT_dec (grp->sv2);
1538	grp->sv2 = newSVsv (callback);	2175	grp->sv2 = newSVsv (callback);
1539	grp->feed = aio_grp_feed;	2176	grp->feed = aio_grp_feed;

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