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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC vs.
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 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
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
106		106
107	/*****************************************************************************/	107	/*****************************************************************************/
108		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_EVENTFD
		112	# include <sys/eventfd.h>
		113	#endif
		114
		115	#if HAVE_RLIMITS
		116	#include <sys/time.h>
		117	#include <sys/resource.h>
		118	#endif
		119
109	typedef SV SV8; /* byte-sv, used for argument-checking */	120	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	121	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	122	typedef int aio_wfd; /* write file descriptor */
112		123
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	124	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		125
115	#define EIO_REQ_MEMBERS \	126	#define EIO_REQ_MEMBERS \
116	SV *callback; \	127	SV *callback; \
117	SV *sv1, *sv2; \	128	SV *sv1, *sv2; \
		129	SV *sv3, *sv4; \
118	STRLEN stroffset; \	130	STRLEN stroffset; \
119	SV *self;	131	SV *self;
120		132
121	#define EIO_NO_WRAPPERS 1	133	#define EIO_NO_WRAPPERS 1
122		134
123	#include "libeio/eio.h"	135	#include "libeio/eio.h"
124		136
125	#ifndef POSIX_FADV_NORMAL	137	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	138	#define EIO_FINISH(req) req_invoke (req)
127	#endif	139	static void req_destroy (eio_req *grp);
128	#ifndef POSIX_FADV_SEQUENTIAL	140	#define EIO_DESTROY(req) req_destroy (req)
129	# define POSIX_FADV_SEQUENTIAL 0	141
130	#endif	142	#include "libeio/eio.c"
131	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0
133	#endif
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140	#ifndef POSIX_FADV_DONTNEED
141	# define POSIX_FADV_DONTNEED 0
142	#endif
143		143
144	#if !HAVE_POSIX_FADVISE	144	#if !HAVE_POSIX_FADVISE
145	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	145	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
146	#endif	146	#endif
147		147
148	#ifndef POSIX_MADV_NORMAL
149	# define POSIX_MADV_NORMAL 0
150	#endif
151	#ifndef POSIX_MADV_SEQUENTIAL
152	# define POSIX_MADV_SEQUENTIAL 0
153	#endif
154	#ifndef POSIX_MADV_RANDOM
155	# define POSIX_MADV_RANDOM 0
156	#endif
157	#ifndef POSIX_MADV_WILLNEED
158	# define POSIX_MADV_WILLNEED 0
159	#endif
160	#ifndef POSIX_MADV_DONTNEED
161	# define POSIX_MADV_DONTNEED 0
162	#endif
163
164	#if !HAVE_POSIX_MADVISE	148	#if !HAVE_POSIX_MADVISE
165	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	149	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
166	#endif
167
168	#ifndef PROT_NONE
169	# define PROT_NONE 0
170	#endif
171	#ifndef PROT_READ
172	# define PROT_READ 0
173	#endif
174	#ifndef PROT_WRITE
175	# define PROT_READ 0
176	#endif
177	#ifndef PROT_EXEC
178	# define PROT_EXEC 0
179	#endif
180
181	#ifndef ST_NODEV
182	# define ST_NODEV 0
183	#endif
184	#ifndef ST_NOEXEC
185	# define ST_NOEXEC 0
186	#endif
187	#ifndef ST_SYNCHRONOUS
188	# define ST_SYNCHRONOUS 0
189	#endif
190	#ifndef ST_MANDLOCK
191	# define ST_MANDLOCK 0
192	#endif
193	#ifndef ST_WRITE
194	# define ST_WRITE 0
195	#endif
196	#ifndef ST_APPEND
197	# define ST_APPEND 0
198	#endif
199	#ifndef ST_IMMUTABLE
200	# define ST_IMMUTABLE 0
201	#endif
202	#ifndef ST_NOATIME
203	# define ST_NOATIME 0
204	#endif
205	#ifndef ST_NODIRATIME
206	# define ST_NODIRATIME 0
207	#endif
208	#ifndef ST_RELATIME
209	# define ST_RELATIME 0
210	#endif	150	#endif
211		151
212	#ifndef MAP_ANONYMOUS	152	#ifndef MAP_ANONYMOUS
213	# ifdef MAP_ANON	153	# ifdef MAP_ANON
214	# define MAP_ANONYMOUS MAP_ANON	154	# define MAP_ANONYMOUS MAP_ANON
215	# else	155	# else
216	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	156	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
217	# endif	157	# endif
218	#endif	158	#endif
219	#ifndef MAP_HUGETLB
220	# define MAP_HUGETLB 0
221	#endif
222	#ifndef MAP_LOCKED
223	# define MAP_LOCKED 0
224	#endif
225	#ifndef MAP_NORESERVE
226	# define MAP_NORESERVE 0
227	#endif
228	#ifndef MAP_POPULATE
229	# define MAP_POPULATE 0
230	#endif
231	#ifndef MAP_NONBLOCK
232	# define MAP_NONBLOCK 0
233	#endif
234		159
235	#ifndef PAGESIZE	160	/* defines all sorts of constants to 0 unless they are already defined */
		161	/* also provides const_iv_ and const_niv_ macros for them */
		162	#include "def0.h"
		163
		164	#ifndef makedev
		165	# define makedev(maj,min) (((maj) << 8) | (min))
		166	#endif
		167	#ifndef major
		168	# define major(dev) ((dev) >> 8)
		169	#endif
		170	#ifndef minor
		171	# define minor(dev) ((dev) & 0xff)
		172	#endif
		173
		174	#if PAGESIZE <= 0
236	# define PAGESIZE sysconf (_SC_PAGESIZE)	175	# define PAGESIZE sysconf (_SC_PAGESIZE)
237	#endif	176	#endif
238		177
239	static int req_invoke (eio_req *req);	178	/*****************************************************************************/
240	#define EIO_FINISH(req) req_invoke (req)	179
241	static void req_destroy (eio_req *grp);	180	#if !_POSIX_MAPPED_FILES
242	#define EIO_DESTROY(req) req_destroy (req)	181	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		182	# define munmap(addr,length) EIO_ENOSYS ()
		183	#endif
		184
		185	#if !_POSIX_MEMORY_PROTECTION
		186	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		187	#endif
		188
		189	#define FOREIGN_MAGIC PERL_MAGIC_ext
		190
		191	static int ecb_cold
		192	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		193	{
		194	int old_errno = errno;
		195	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		196	errno = old_errno;
		197
		198	mg->mg_obj = 0; /* just in case */
		199
		200	SvREADONLY_off (sv);
		201
		202	if (SvPVX (sv) != mg->mg_ptr)
		203	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		204
		205	SvCUR_set (sv, 0);
		206	SvPVX (sv) = 0;
		207	SvOK_off (sv);
		208
		209	return 0;
		210	}
		211
		212	static MGVTBL mmap_vtbl = {
		213	0, 0, 0, 0, mmap_free
		214	};
		215
		216	static int ecb_cold
		217	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		218	{
		219	free (mg->mg_ptr);
		220	mg->mg_obj = 0; /* just in case */
		221
		222	SvREADONLY_off (sv);
		223
		224	if (SvPVX (sv) != mg->mg_ptr)
		225	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		226
		227	SvCUR_set (sv, 0);
		228	SvPVX (sv) = 0;
		229	SvOK_off (sv);
		230
		231	return 0;
		232	}
		233
		234	static MGVTBL sysfree_vtbl = {
		235	0, 0, 0, 0, sysfree_free
		236	};
		237
		238	/*****************************************************************************/
		239
		240	/* helper: set scalar to foreign ptr with custom free */
		241	static void
		242	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		243	{
		244	sv_force_normal (sv);
		245
		246	/* we store the length in mg_obj, as namlen is I32 :/ */
		247	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		248	->mg_obj = (SV *)length;
		249
		250	SvUPGRADE (sv, SVt_PV); /* nop... */
		251
		252	if (SvLEN (sv))
		253	Safefree (SvPVX (sv));
		254
		255	SvPVX (sv) = (char *)addr;
		256	SvCUR_set (sv, length);
		257	SvLEN_set (sv, 0);
		258	SvPOK_only (sv);
		259	}
		260
		261	static void
		262	sv_clear_foreign (SV *sv)
		263	{
		264	/* todo: iterate over magic and only free ours, but of course */
		265	/* the perl5porters will call that (correct) behaviour buggy */
		266	sv_unmagic (sv, FOREIGN_MAGIC);
		267	}
		268
		269	/*****************************************************************************/
		270
		271	static void
		272	fiemap (eio_req *req)
		273	{
		274	req->result = -1;
		275
		276	#if HAVE_FIEMAP
		277	/* assume some c99 */
		278	struct fiemap *fiemap = 0;
		279	size_t end_offset;
		280	int count = req->int3;
		281
		282	req->flags |= EIO_FLAG_PTR1_FREE;
		283
		284	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		285	/* increase in 3.5kb steps */
		286	if (count < 0)
		287	count = 8;
		288
		289	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		290	errno = ENOMEM;
		291	if (!fiemap)
		292	return;
		293
		294	req->ptr1 = fiemap;
		295
		296	fiemap->fm_start = req->offs;
		297	fiemap->fm_length = req->size;
		298	fiemap->fm_flags = req->int2;
		299	fiemap->fm_extent_count = count;
		300
		301	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		302	return;
		303
		304	if (req->int3 >= 0 /* not autosizing */
		305	|| !fiemap->fm_mapped_extents /* no more extents */
		306	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		307	goto done;
		308
		309	/* else we have to loop -
		310	* it would be tempting (actually I tried that first) to just query the
		311	* number of extents needed, but linux often feels like not returning all
		312	* extents, without telling us it left any out. this complicates
		313	* this quite a bit.
		314	*/
		315
		316	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		317
		318	for (;;)
		319	{
		320	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		321	char scratch[3072];
		322	struct fiemap *incmap = (struct fiemap *)scratch;
		323
		324	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		325	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		326	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		327	incmap->fm_flags = fiemap->fm_flags;
		328	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		329
		330	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		331	return;
		332
		333	if (!incmap->fm_mapped_extents)
		334	goto done;
		335
		336	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		337	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		338	errno = ENOMEM;
		339	if (!fiemap)
		340	return;
		341
		342	req->ptr1 = fiemap;
		343
		344	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		345	{
		346	struct fiemap_extent *e = incmap->fm_extents + count;
		347
		348	if (e->fe_logical + e->fe_length >= end_offset)
		349	goto done;
		350
		351	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		352
		353	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		354	goto done;
		355
		356	}
		357	}
		358
		359	done:
		360	req->result = 0;
		361
		362	#else
		363	errno = ENOSYS;
		364	#endif
		365	}
		366
		367	/*****************************************************************************/
243		368
244	enum {	369	enum {
245	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	370	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
246	};	371	};
247		372
248	#include "libeio/eio.c"
249
250	typedef eio_req *aio_req;	373	typedef eio_req *aio_req;
251	typedef eio_req *aio_req_ornot;	374	typedef eio_req *aio_req_ornot;
		375	typedef eio_wd aio_wd;
252		376
253	static SV *on_next_submit;	377	static SV *on_next_submit;
254	static int next_pri = EIO_PRI_DEFAULT;	378	static int next_pri = EIO_PRI_DEFAULT;
255	static int max_outstanding;	379	static int max_outstanding;
256		380
257	static s_epipe respipe;	381	static s_epipe respipe;
258		382
259	static void req_destroy (aio_req req);	383	static void req_destroy (aio_req req);
260	static void req_cancel (aio_req req);	384	static void req_cancel (aio_req req);
261		385
262	static void want_poll (void)	386	static void
		387	want_poll (void)
263	{	388	{
264	/* write a dummy byte to the pipe so fh becomes ready */	389	/* write a dummy byte to the pipe so fh becomes ready */
265	s_epipe_signal (&respipe);	390	s_epipe_signal (&respipe);
266	}	391	}
267		392
268	static void done_poll (void)	393	static void
		394	done_poll (void)
269	{	395	{
270	/* read any signals sent by the worker threads */	396	/* read any signals sent by the worker threads */
271	s_epipe_drain (&respipe);	397	s_epipe_drain (&respipe);
272	}	398	}
273		399
274	/* must be called at most once */	400	/* must be called at most once */
		401	static SV *
275	static SV *req_sv (aio_req req, HV *stash)	402	req_sv (aio_req req, HV *stash)
276	{	403	{
277	if (!req->self)	404	if (!req->self)
278	{	405	{
279	req->self = (SV *)newHV ();	406	req->self = (SV *)newHV ();
280	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	407	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
281	}	408	}
282		409
283	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	410	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
284	}	411	}
285		412
286	static aio_req SvAIO_REQ (SV *sv)	413	static SV *
		414	newSVaio_wd (aio_wd wd)
		415	{
		416	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		417	}
		418
		419	static aio_req
		420	SvAIO_REQ (SV *sv)
287	{	421	{
288	MAGIC *mg;	422	MAGIC *mg;
289		423
290	if (!SvROK (sv)	424	if (!SvROK (sv)
		425	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
291	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	426	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
292	&& SvSTASH (SvRV (sv)) != aio_req_stash	427	&& SvSTASH (SvRV (sv)) != aio_req_stash
293	&& !sv_derived_from (sv, "IO::AIO::REQ")))	428	&& !sv_derived_from (sv, "IO::AIO::REQ")))
294	croak ("object of class IO::AIO::REQ expected");	429	croak ("object of class IO::AIO::REQ expected");
295		430
296	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	431	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
297		432
298	return mg ? (aio_req)mg->mg_ptr : 0;	433	return mg ? (aio_req)mg->mg_ptr : 0;
299	}	434	}
300		435
		436	static aio_wd
		437	SvAIO_WD (SV *sv)
		438	{
		439	if (!SvROK (sv)
		440	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		441	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		442	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		443
		444	return (aio_wd)(long)SvIVX (SvRV (sv));
		445	}
		446
		447	static SV *
		448	newmortalFH (int fd, int flags)
		449	{
		450	if (fd < 0)
		451	return &PL_sv_undef;
		452
		453	GV *gv = (GV *)sv_newmortal ();
		454	char sym[64];
		455	int symlen;
		456
		457	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		458	gv_init (gv, aio_stash, sym, symlen, 0);
		459
		460	symlen = snprintf (
		461	sym,
		462	sizeof (sym),
		463	"%s&=%d",
		464	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		465	fd
		466	);
		467
		468	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		469	? (SV *)gv : &PL_sv_undef;
		470	}
		471
		472	static void
301	static void aio_grp_feed (aio_req grp)	473	aio_grp_feed (aio_req grp)
302	{	474	{
303	if (grp->sv2 && SvOK (grp->sv2))	475	if (grp->sv2 && SvOK (grp->sv2))
304	{	476	{
305	dSP;	477	dSP;
306		478
…		…
314	FREETMPS;	486	FREETMPS;
315	LEAVE;	487	LEAVE;
316	}	488	}
317	}	489	}
318		490
		491	static void
319	static void req_submit (eio_req *req)	492	req_submit (eio_req *req)
320	{	493	{
321	eio_submit (req);	494	eio_submit (req);
322		495
323	if (expect_false (on_next_submit))	496	if (expect_false (on_next_submit))
324	{	497	{
…		…
331	PUTBACK;	504	PUTBACK;
332	call_sv (cb, G_DISCARD | G_EVAL);	505	call_sv (cb, G_DISCARD | G_EVAL);
333	}	506	}
334	}	507	}
335		508
		509	static int
336	static int req_invoke (eio_req *req)	510	req_invoke (eio_req *req)
337	{	511	{
338	if (req->flags & FLAG_SV2_RO_OFF)	512	if (req->flags & FLAG_SV2_RO_OFF)
339	SvREADONLY_off (req->sv2);	513	SvREADONLY_off (req->sv2);
340		514
341	if (!EIO_CANCELLED (req) && req->callback)	515	if (!EIO_CANCELLED (req) && req->callback)
…		…
352	/* do not recreate the result IV from scratch each time */	526	/* do not recreate the result IV from scratch each time */
353	if (expect_true (sv_result_cache))	527	if (expect_true (sv_result_cache))
354	{	528	{
355	sv_result = sv_result_cache; sv_result_cache = 0;	529	sv_result = sv_result_cache; sv_result_cache = 0;
356	SvIV_set (sv_result, req->result);	530	SvIV_set (sv_result, req->result);
		531	SvIOK_only (sv_result);
357	}	532	}
358	else	533	else
359	{	534	{
360	sv_result = newSViv (req->result);	535	sv_result = newSViv (req->result);
361	SvREADONLY_on (sv_result);	536	SvREADONLY_on (sv_result);
362	}	537	}
363		538
364	switch (req->type)	539	switch (req->type)
365	{	540	{
		541	case EIO_WD_OPEN:
		542	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		543	break;
		544
366	case EIO_READDIR:	545	case EIO_READDIR:
367	{	546	{
368	SV *rv = &PL_sv_undef;	547	SV *rv = &PL_sv_undef;
369		548
370	if (req->result >= 0)	549	if (req->result >= 0)
…		…
423	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	602	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
424	}	603	}
425	break;	604	break;
426		605
427	case EIO_OPEN:	606	case EIO_OPEN:
428	{	607	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
429	/* convert fd to fh */
430	SV *fh = &PL_sv_undef;
431
432	if (req->result >= 0)
433	{
434	GV *gv = (GV *)sv_newmortal ();
435	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
436	char sym [64];
437	int symlen;
438
439	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
440	gv_init (gv, aio_stash, sym, symlen, 0);
441
442	symlen = snprintf (
443	sym,
444	sizeof (sym),
445	"%s&=%d",
446	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
447	(int)req->result
448	);
449
450	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
451	fh = (SV *)gv;
452	}
453
454	PUSHs (fh);
455	}
456	break;	608	break;
457		609
458	case EIO_STATVFS:	610	case EIO_STATVFS:
459	case EIO_FSTATVFS:	611	case EIO_FSTATVFS:
460	{	612	{
461	SV *rv = &PL_sv_undef;	613	SV *rv = &PL_sv_undef;
462		614
		615	#ifndef _WIN32
463	if (req->result >= 0)	616	if (req->result >= 0)
464	{	617	{
465	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	618	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
466	HV *hv = newHV ();	619	HV *hv = newHV ();
		620	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		621	* chooses to make it a struct.
		622	*/
		623	unsigned long fsid = 0;
		624	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
467		625
468	rv = sv_2mortal (newRV_noinc ((SV *)hv));	626	rv = sv_2mortal (newRV_noinc ((SV *)hv));
469		627
470	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	628	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
471	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	629	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
473	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	631	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
474	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	632	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
475	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	633	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
476	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	634	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
477	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	635	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
478	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	636	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
479	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	637	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
480	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	638	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
481	}	639	}
		640	#endif
482		641
483	PUSHs (rv);	642	PUSHs (rv);
484	}	643	}
485		644
486	break;	645	break;
…		…
502	case EIO_NOP:	661	case EIO_NOP:
503	case EIO_BUSY:	662	case EIO_BUSY:
504	break;	663	break;
505		664
506	case EIO_READLINK:	665	case EIO_READLINK:
		666	case EIO_REALPATH:
507	if (req->result > 0)	667	if (req->result > 0)
508	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	668	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
509	break;	669	break;
510		670
511	case EIO_STAT:	671	case EIO_STAT:
512	case EIO_LSTAT:	672	case EIO_LSTAT:
513	case EIO_FSTAT:	673	case EIO_FSTAT:
514	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	674	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		675
515	PL_laststatval = req->result;	676	if (!(PL_laststatval = req->result))
		677	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
516	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	678	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		679
517	PUSHs (sv_result);	680	PUSHs (sv_result);
		681	break;
		682
		683	case EIO_SEEK:
		684	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
518	break;	685	break;
519		686
520	case EIO_READ:	687	case EIO_READ:
521	{	688	{
522	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	689	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
525	SvSETMAGIC (req->sv2);	692	SvSETMAGIC (req->sv2);
526	PUSHs (sv_result);	693	PUSHs (sv_result);
527	}	694	}
528	break;	695	break;
529		696
		697	case EIO_SLURP:
		698	{
		699	if (req->result >= 0)
		700	{
		701	/* if length was originally not known, we steal the malloc'ed memory */
		702	if (req->flags & EIO_FLAG_PTR2_FREE)
		703	{
		704	req->flags &= ~EIO_FLAG_PTR2_FREE;
		705	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		706	}
		707	else
		708	{
		709	SvCUR_set (req->sv2, req->result);
		710	*SvEND (req->sv2) = 0;
		711	SvPOK_only (req->sv2);
		712	}
		713
		714	SvSETMAGIC (req->sv2);
		715	}
		716
		717	PUSHs (sv_result);
		718	}
		719	break;
		720
		721	case EIO_CUSTOM:
		722	if (req->feed == fiemap)
		723	{
		724	#if HAVE_FIEMAP
		725	if (!req->result)
		726	{
		727	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		728
		729	if (fiemap->fm_extent_count)
		730	{
		731	AV *av = newAV ();
		732	int i;
		733
		734	while (fiemap->fm_mapped_extents)
		735	{
		736	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		737	AV *ext_av = newAV ();
		738
		739	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		740	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		741	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		742	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		743
		744	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		745	}
		746
		747	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		748	}
		749	else
		750	{
		751	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		752	PUSHs (sv_result);
		753	}
		754	}
		755	#endif
		756	}
		757	else
		758	PUSHs (sv_result);
		759	break;
		760
530	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	761	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
531	if (req->result > 0)	762	if (req->result > 0)
532	SvIV_set (sv_result, 0);	763	SvIV_set (sv_result, 0);
533	/* FALLTHROUGH */	764	/* FALLTHROUGH */
534		765
535	default:	766	default:
…		…
555	}	786	}
556		787
557	return !!SvTRUE (ERRSV);	788	return !!SvTRUE (ERRSV);
558	}	789	}
559		790
		791	static void
560	static void req_destroy (aio_req req)	792	req_destroy (aio_req req)
561	{	793	{
562	if (req->self)	794	if (req->self)
563	{	795	{
564	sv_unmagic (req->self, PERL_MAGIC_ext);	796	sv_unmagic (req->self, PERL_MAGIC_ext);
565	SvREFCNT_dec (req->self);	797	SvREFCNT_dec (req->self);
566	}	798	}
567		799
568	SvREFCNT_dec (req->sv1);	800	SvREFCNT_dec (req->sv1);
569	SvREFCNT_dec (req->sv2);	801	SvREFCNT_dec (req->sv2);
		802	SvREFCNT_dec (req->sv3);
		803	SvREFCNT_dec (req->sv4);
570	SvREFCNT_dec (req->callback);	804	SvREFCNT_dec (req->callback);
571		805
572	Safefree (req);	806	free (req);
573	}	807	}
574		808
		809	static void
575	static void req_cancel_subs (aio_req grp)	810	req_cancel_subs (aio_req grp)
576	{	811	{
577	aio_req sub;
578
579	if (grp->type != EIO_GROUP)	812	if (grp->type != EIO_GROUP)
580	return;	813	return;
581		814
582	SvREFCNT_dec (grp->sv2);	815	SvREFCNT_dec (grp->sv2);
583	grp->sv2 = 0;	816	grp->sv2 = 0;
584		817
585	eio_grp_cancel (grp);	818	eio_grp_cancel (grp);
586	}	819	}
587		820
588	static void	821	static void ecb_cold
589	create_respipe (void)	822	create_respipe (void)
590	{	823	{
591	if (s_epipe_renew (&respipe))	824	if (s_epipe_renew (&respipe))
592	croak ("IO::AIO: unable to initialize result pipe");	825	croak ("IO::AIO: unable to initialize result pipe");
593	}	826	}
594		827
595	static void poll_wait (void)	828	static void
		829	poll_wait (void)
596	{	830	{
597	while (eio_nreqs ())	831	while (eio_nreqs ())
598	{	832	{
599	int size;	833	int size;
600		834
601	X_LOCK (reslock);	835	X_LOCK (EIO_POOL->reslock);
602	size = res_queue.size;	836	size = EIO_POOL->res_queue.size;
603	X_UNLOCK (reslock);	837	X_UNLOCK (EIO_POOL->reslock);
604		838
605	if (size)	839	if (size)
606	return;	840	return;
607		841
608	etp_maybe_start_thread ();	842	etp_maybe_start_thread (EIO_POOL);
609		843
610	s_epipe_wait (&respipe);	844	s_epipe_wait (&respipe);
611	}	845	}
612	}	846	}
613		847
614	static int poll_cb (void)	848	static int
		849	poll_cb (void)
615	{	850	{
616	for (;;)	851	for (;;)
617	{	852	{
618	int res = eio_poll ();	853	int res = eio_poll ();
619		854
…		…
625		860
626	poll_wait ();	861	poll_wait ();
627	}	862	}
628	}	863	}
629		864
630	static void atfork_child (void)	865	static void ecb_cold
		866	reinit (void)
631	{	867	{
632	create_respipe ();	868	create_respipe ();
633	}
634		869
635	/*****************************************************************************/	870	if (eio_init (want_poll, done_poll) < 0)
636		871	croak ("IO::AIO: unable to initialise eio library");
637	#if !_POSIX_MAPPED_FILES
638	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
639	# define munmap(addr,length) (errno = ENOSYS, -1)
640	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
641	# define PROT_NONE 0
642	# define PROT_WRITE 0
643	# define MAP_PRIVATE 0
644	# define MAP_SHARED 0
645	# define MAP_FIXED 0
646	#endif
647
648	#define MMAP_MAGIC PERL_MAGIC_ext
649
650	static int
651	mmap_free (pTHX_ SV *sv, MAGIC *mg)
652	{
653	int old_errno = errno;
654	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
655	errno = old_errno;
656
657	mg->mg_obj = 0; /* just in case */
658
659	SvREADONLY_off (sv);
660
661	if (SvPVX (sv) != mg->mg_ptr)
662	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
663
664	SvCUR_set (sv, 0);
665	SvPVX (sv) = 0;
666	SvOK_off (sv);
667
668	return 0;
669	}	872	}
670
671	static MGVTBL mmap_vtbl = {
672	0, 0, 0, 0, mmap_free
673	};
674		873
675	/*****************************************************************************/	874	/*****************************************************************************/
676		875
677	static SV *	876	static SV *
678	get_cb (SV *cb_sv)	877	get_cb (SV *cb_sv)
679	{	878	{
680	SvGETMAGIC (cb_sv);	879	SvGETMAGIC (cb_sv);
681	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	880	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
682	}	881	}
683		882
		883	static aio_req ecb_noinline
		884	dreq (SV *callback)
		885	{
		886	SV *cb_cv;
		887	aio_req req;
		888	int req_pri = next_pri;
		889	next_pri = EIO_PRI_DEFAULT;
		890
		891	cb_cv = get_cb (callback);
		892
		893	req = calloc (sizeof (*req), 1);
		894	if (!req)
		895	croak ("out of memory during eio_req allocation");
		896
		897	req->callback = SvREFCNT_inc (cb_cv);
		898	req->pri = req_pri;
		899
		900	return req;
		901	}
		902
684	#define dREQ \	903	#define dREQ \
685	SV *cb_cv; \	904	aio_req req = dreq (callback); \
686	aio_req req; \
687	int req_pri = next_pri; \
688	next_pri = EIO_PRI_DEFAULT; \
689	\
690	cb_cv = get_cb (callback); \
691	\
692	Newz (0, req, 1, eio_req); \
693	if (!req) \
694	croak ("out of memory during eio_req allocation"); \
695	\
696	req->callback = SvREFCNT_inc (cb_cv); \
697	req->pri = req_pri
698		905
699	#define REQ_SEND \	906	#define REQ_SEND \
700	PUTBACK; \	907	PUTBACK; \
701	req_submit (req); \	908	req_submit (req); \
702	SPAGAIN; \	909	SPAGAIN; \
703	\	910	\
704	if (GIMME_V != G_VOID) \	911	if (GIMME_V != G_VOID) \
705	XPUSHs (req_sv (req, aio_req_stash));	912	XPUSHs (req_sv (req, aio_req_stash));
706		913
		914	ecb_inline void
		915	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		916	{
		917	if (expect_false (SvROK (path)))
		918	{
		919	SV *rv = SvRV (path);
		920	SV *wdob;
		921
		922	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		923	{
		924	path = AvARRAY (rv)[1];
		925	wdob = AvARRAY (rv)[0];
		926
		927	if (SvOK (wdob))
		928	{
		929	*wd = SvAIO_WD (wdob);
		930	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		931	}
		932	else
		933	*wd = EIO_INVALID_WD;
		934	}
		935	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		936	{
		937	*wd = (aio_wd)(long)SvIVX (rv);
		938	*wdsv = SvREFCNT_inc_NN (rv);
		939	*ptr = ".";
		940	return; /* path set to "." */
		941	}
		942	else
		943	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		944	}
		945
		946	*pathsv = newSVsv (path);
		947	*ptr = SvPVbyte_nolen (*pathsv);
		948	}
		949
		950	static void ecb_noinline
		951	req_set_path1 (aio_req req, SV *path)
		952	{
		953	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		954	}
		955
		956	static void ecb_noinline
		957	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		958	{
		959	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		960
		961	switch (SvTYPE (rv))
		962	{
		963	case SVt_PVIO:
		964	case SVt_PVLV:
		965	case SVt_PVGV:
		966	req->type = type_fh;
		967	req->sv1 = newSVsv (fh_or_path);
		968	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		969	break;
		970
		971	default:
		972	req->type = type_path;
		973	req_set_path1 (req, fh_or_path);
		974	break;
		975	}
		976	}
		977
		978	XS(boot_IO__AIO) ecb_cold;
		979
707	MODULE = IO::AIO PACKAGE = IO::AIO	980	MODULE = IO::AIO PACKAGE = IO::AIO
708		981
709	PROTOTYPES: ENABLE	982	PROTOTYPES: ENABLE
710		983
711	BOOT:	984	BOOT:
…		…
715	IV iv;	988	IV iv;
716	} *civ, const_iv[] = {	989	} *civ, const_iv[] = {
717	# define const_niv(name, value) { # name, (IV) value },	990	# define const_niv(name, value) { # name, (IV) value },
718	# define const_iv(name) { # name, (IV) name },	991	# define const_iv(name) { # name, (IV) name },
719	# define const_eio(name) { # name, (IV) EIO_ ## name },	992	# define const_eio(name) { # name, (IV) EIO_ ## name },
		993
		994	/* you have to re-run ./gendef0 after adding/removing any constants here */
		995	/* the first block can be undef if missing */
		996	const_iv (ENOSYS)
720	const_iv (EXDEV)	997	const_iv (EXDEV)
721	const_iv (ENOSYS)	998	const_iv (EBADR)
		999
		1000	/* for lseek */
		1001	const_iv (SEEK_DATA)
		1002	const_iv (SEEK_HOLE)
		1003
		1004	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1005	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1006	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1007	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1008	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1009	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1010
		1011	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1012	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1013	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1014	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1015	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1016
		1017	/* the second block will be 0 when missing */
722	const_iv (O_RDONLY)	1018	const_iv (O_RDONLY)
723	const_iv (O_WRONLY)	1019	const_iv (O_WRONLY)
724	const_iv (O_RDWR)	1020	const_iv (O_RDWR)
725	const_iv (O_CREAT)	1021	const_iv (O_CREAT)
726	const_iv (O_TRUNC)	1022	const_iv (O_TRUNC)
727	const_iv (O_EXCL)	1023	const_iv (O_EXCL)
728	const_iv (O_APPEND)	1024	const_iv (O_APPEND)
729	#ifndef _WIN32	1025
		1026	const_iv (O_ASYNC)
		1027	const_iv (O_DIRECT)
		1028	const_iv (O_NOATIME)
		1029
		1030	const_iv (O_CLOEXEC)
		1031	const_iv (O_NOCTTY)
		1032	const_iv (O_NOFOLLOW)
		1033	const_iv (O_NONBLOCK)
		1034	const_iv (O_EXEC)
		1035	const_iv (O_SEARCH)
		1036	const_iv (O_DIRECTORY)
		1037	const_iv (O_DSYNC)
		1038	const_iv (O_RSYNC)
		1039	const_iv (O_SYNC)
		1040	const_iv (O_PATH)
		1041	const_iv (O_TMPFILE)
		1042	const_iv (O_TTY_INIT)
		1043
730	const_iv (S_IFIFO)	1044	const_iv (S_IFIFO)
731	#endif	1045	const_iv (S_IFCHR)
732	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	1046	const_iv (S_IFBLK)
733	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	1047	const_iv (S_IFLNK)
734	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	1048	const_iv (S_IFREG)
735	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	1049	const_iv (S_IFDIR)
736	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	1050	const_iv (S_IFWHT)
737	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	1051	const_iv (S_IFSOCK)
738		1052	const_iv (S_IFMT)
739	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
740	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
741	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
742	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
743	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
744		1053
745	const_iv (ST_RDONLY)	1054	const_iv (ST_RDONLY)
746	const_iv (ST_NOSUID)	1055	const_iv (ST_NOSUID)
747	const_iv (ST_NODEV)	1056	const_iv (ST_NODEV)
748	const_iv (ST_NOEXEC)	1057	const_iv (ST_NOEXEC)
…		…
758	const_iv (PROT_NONE)	1067	const_iv (PROT_NONE)
759	const_iv (PROT_EXEC)	1068	const_iv (PROT_EXEC)
760	const_iv (PROT_READ)	1069	const_iv (PROT_READ)
761	const_iv (PROT_WRITE)	1070	const_iv (PROT_WRITE)
762		1071
763	/*const_iv (MAP_FIXED)*/
764	const_iv (MAP_PRIVATE)	1072	const_iv (MAP_PRIVATE)
765	const_iv (MAP_SHARED)	1073	const_iv (MAP_SHARED)
		1074	const_iv (MAP_FIXED)
766	const_iv (MAP_ANONYMOUS)	1075	const_iv (MAP_ANONYMOUS)
767		1076
768	/* linuxish */	1077	/* linuxish */
769	const_iv (MAP_HUGETLB)
770	const_iv (MAP_LOCKED)	1078	const_iv (MAP_LOCKED)
771	const_iv (MAP_NORESERVE)	1079	const_iv (MAP_NORESERVE)
772	const_iv (MAP_POPULATE)	1080	const_iv (MAP_POPULATE)
773	const_iv (MAP_NONBLOCK)	1081	const_iv (MAP_NONBLOCK)
		1082	const_iv (MAP_GROWSDOWN)
		1083	const_iv (MAP_32BIT)
		1084	const_iv (MAP_HUGETLB)
		1085	const_iv (MAP_STACK)
		1086
		1087	const_iv (F_DUPFD_CLOEXEC)
		1088
		1089	const_iv (F_OFD_GETLK)
		1090	const_iv (F_OFD_SETLK)
		1091	const_iv (F_OFD_GETLKW)
		1092
		1093	const_iv (FIFREEZE)
		1094	const_iv (FITHAW)
		1095	const_iv (FITRIM)
		1096	const_iv (FICLONE)
		1097	const_iv (FICLONERANGE)
		1098	const_iv (FIDEDUPERANGE)
		1099
		1100	const_iv (FS_IOC_GETFLAGS)
		1101	const_iv (FS_IOC_SETFLAGS)
		1102	const_iv (FS_IOC_GETVERSION)
		1103	const_iv (FS_IOC_SETVERSION)
		1104	const_iv (FS_IOC_FIEMAP)
		1105	const_iv (FS_IOC_FSGETXATTR)
		1106	const_iv (FS_IOC_FSSETXATTR)
		1107	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1108	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1109	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1110
		1111	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1112
		1113	const_iv (FS_SECRM_FL)
		1114	const_iv (FS_UNRM_FL)
		1115	const_iv (FS_COMPR_FL)
		1116	const_iv (FS_SYNC_FL)
		1117	const_iv (FS_IMMUTABLE_FL)
		1118	const_iv (FS_APPEND_FL)
		1119	const_iv (FS_NODUMP_FL)
		1120	const_iv (FS_NOATIME_FL)
		1121	const_iv (FS_DIRTY_FL)
		1122	const_iv (FS_COMPRBLK_FL)
		1123	const_iv (FS_NOCOMP_FL)
		1124	const_iv (FS_ENCRYPT_FL)
		1125	const_iv (FS_BTREE_FL)
		1126	const_iv (FS_INDEX_FL)
		1127	const_iv (FS_JOURNAL_DATA_FL)
		1128	const_iv (FS_NOTAIL_FL)
		1129	const_iv (FS_DIRSYNC_FL)
		1130	const_iv (FS_TOPDIR_FL)
		1131	const_iv (FS_FL_USER_MODIFIABLE)
		1132
		1133	const_iv (FS_XFLAG_REALTIME)
		1134	const_iv (FS_XFLAG_PREALLOC)
		1135	const_iv (FS_XFLAG_IMMUTABLE)
		1136	const_iv (FS_XFLAG_APPEND)
		1137	const_iv (FS_XFLAG_SYNC)
		1138	const_iv (FS_XFLAG_NOATIME)
		1139	const_iv (FS_XFLAG_NODUMP)
		1140	const_iv (FS_XFLAG_RTINHERIT)
		1141	const_iv (FS_XFLAG_PROJINHERIT)
		1142	const_iv (FS_XFLAG_NOSYMLINKS)
		1143	const_iv (FS_XFLAG_EXTSIZE)
		1144	const_iv (FS_XFLAG_EXTSZINHERIT)
		1145	const_iv (FS_XFLAG_NODEFRAG)
		1146	const_iv (FS_XFLAG_FILESTREAM)
		1147	const_iv (FS_XFLAG_DAX)
		1148	const_iv (FS_XFLAG_HASATTR)
		1149
		1150	const_iv (FIEMAP_FLAG_SYNC)
		1151	const_iv (FIEMAP_FLAG_XATTR)
		1152	const_iv (FIEMAP_FLAGS_COMPAT)
		1153	const_iv (FIEMAP_EXTENT_LAST)
		1154	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1155	const_iv (FIEMAP_EXTENT_DELALLOC)
		1156	const_iv (FIEMAP_EXTENT_ENCODED)
		1157	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1158	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1159	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1160	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1161	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1162	const_iv (FIEMAP_EXTENT_MERGED)
		1163	const_iv (FIEMAP_EXTENT_SHARED)
		1164
		1165	const_iv (SPLICE_F_MOVE)
		1166	const_iv (SPLICE_F_NONBLOCK)
		1167	const_iv (SPLICE_F_MORE)
		1168	const_iv (SPLICE_F_GIFT)
		1169
		1170	const_iv (EFD_CLOEXEC)
		1171	const_iv (EFD_NONBLOCK)
		1172	const_iv (EFD_SEMAPHORE)
		1173
		1174	/* these are libeio constants, and are independent of gendef0 */
		1175	const_eio (SEEK_SET)
		1176	const_eio (SEEK_CUR)
		1177	const_eio (SEEK_END)
774		1178
775	const_eio (MCL_FUTURE)	1179	const_eio (MCL_FUTURE)
776	const_eio (MCL_CURRENT)	1180	const_eio (MCL_CURRENT)
777		1181
778	const_eio (MS_ASYNC)	1182	const_eio (MS_ASYNC)
…		…
782	const_eio (MT_MODIFY)	1186	const_eio (MT_MODIFY)
783		1187
784	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1188	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
785	const_eio (SYNC_FILE_RANGE_WRITE)	1189	const_eio (SYNC_FILE_RANGE_WRITE)
786	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1190	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1191
		1192	const_eio (FALLOC_FL_KEEP_SIZE)
		1193	const_eio (FALLOC_FL_PUNCH_HOLE)
		1194	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1195	const_eio (FALLOC_FL_ZERO_RANGE)
		1196	const_eio (FALLOC_FL_INSERT_RANGE)
		1197	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1198
		1199	const_eio (RENAME_NOREPLACE)
		1200	const_eio (RENAME_EXCHANGE)
		1201	const_eio (RENAME_WHITEOUT)
787		1202
788	const_eio (READDIR_DENTS)	1203	const_eio (READDIR_DENTS)
789	const_eio (READDIR_DIRS_FIRST)	1204	const_eio (READDIR_DIRS_FIRST)
790	const_eio (READDIR_STAT_ORDER)	1205	const_eio (READDIR_STAT_ORDER)
791	const_eio (READDIR_FOUND_UNKNOWN)	1206	const_eio (READDIR_FOUND_UNKNOWN)
…		…
802	};	1217	};
803		1218
804	aio_stash = gv_stashpv ("IO::AIO" , 1);	1219	aio_stash = gv_stashpv ("IO::AIO" , 1);
805	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1220	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
806	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1221	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1222	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
807		1223
808	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1224	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
809	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1225	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
810		1226
811	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1227	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
812		1228
813	create_respipe ();	1229	reinit ();
814
815	if (eio_init (want_poll, done_poll) < 0)
816	croak ("IO::AIO: unable to initialise eio library");
817
818	/* atfork child called in fifo order, so before eio's handler */
819	X_THREAD_ATFORK (0, 0, atfork_child);
820	}	1230	}
821		1231
822	void	1232	void
		1233	reinit ()
		1234	PROTOTYPE:
		1235
		1236	void
823	max_poll_reqs (int nreqs)	1237	max_poll_reqs (unsigned int nreqs)
824	PROTOTYPE: $	1238	PROTOTYPE: $
825	CODE:	1239	CODE:
826	eio_set_max_poll_reqs (nreqs);	1240	eio_set_max_poll_reqs (nreqs);
827		1241
828	void	1242	void
…		…
830	PROTOTYPE: $	1244	PROTOTYPE: $
831	CODE:	1245	CODE:
832	eio_set_max_poll_time (nseconds);	1246	eio_set_max_poll_time (nseconds);
833		1247
834	void	1248	void
835	min_parallel (int nthreads)	1249	min_parallel (unsigned int nthreads)
836	PROTOTYPE: $	1250	PROTOTYPE: $
837	CODE:	1251	CODE:
838	eio_set_min_parallel (nthreads);	1252	eio_set_min_parallel (nthreads);
839		1253
840	void	1254	void
841	max_parallel (int nthreads)	1255	max_parallel (unsigned int nthreads)
842	PROTOTYPE: $	1256	PROTOTYPE: $
843	CODE:	1257	CODE:
844	eio_set_max_parallel (nthreads);	1258	eio_set_max_parallel (nthreads);
845		1259
846	void	1260	void
847	max_idle (int nthreads)	1261	max_idle (unsigned int nthreads)
848	PROTOTYPE: $	1262	PROTOTYPE: $
849	CODE:	1263	CODE:
850	eio_set_max_idle (nthreads);	1264	eio_set_max_idle (nthreads);
851		1265
852	void	1266	void
		1267	idle_timeout (unsigned int seconds)
		1268	PROTOTYPE: $
		1269	CODE:
		1270	eio_set_idle_timeout (seconds);
		1271
		1272	void
853	max_outstanding (int maxreqs)	1273	max_outstanding (unsigned int maxreqs)
854	PROTOTYPE: $	1274	PROTOTYPE: $
855	CODE:	1275	CODE:
856	max_outstanding = maxreqs;	1276	max_outstanding = maxreqs;
857		1277
858	void	1278	void
859	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1279	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
860	PPCODE:	1280	PPCODE:
861	{	1281	{
862	dREQ;	1282	dREQ;
863		1283
		1284	req->type = EIO_WD_OPEN;
		1285	req_set_path1 (req, pathname);
		1286
		1287	REQ_SEND;
		1288	}
		1289
		1290	void
		1291	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1292	PPCODE:
		1293	{
		1294	dREQ;
		1295
864	req->type = EIO_OPEN;	1296	req->type = EIO_OPEN;
865	req->sv1 = newSVsv (pathname);	1297	req_set_path1 (req, pathname);
866	req->ptr1 = SvPVbyte_nolen (req->sv1);
867	req->int1 = flags;	1298	req->int1 = flags;
868	req->int2 = mode;	1299	req->int2 = mode;
869		1300
870	REQ_SEND;	1301	REQ_SEND;
871	}	1302	}
872		1303
873	void	1304	void
874	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1305	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
875	ALIAS:	1306	ALIAS:
876	aio_fsync = EIO_FSYNC	1307	aio_fsync = EIO_FSYNC
877	aio_fdatasync = EIO_FDATASYNC	1308	aio_fdatasync = EIO_FDATASYNC
		1309	aio_syncfs = EIO_SYNCFS
878	PPCODE:	1310	PPCODE:
879	{	1311	{
880	int fd = s_fileno_croak (fh, 0);	1312	int fd = s_fileno_croak (fh, 0);
881	dREQ;	1313	dREQ;
882		1314
883	req->type = ix;	1315	req->type = ix;
884	req->sv1 = newSVsv (fh);	1316	req->sv1 = newSVsv (fh);
885	req->int1 = fd;	1317	req->int1 = fd;
886		1318
887	REQ_SEND (req);	1319	REQ_SEND;
888	}	1320	}
889		1321
890	void	1322	void
891	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1323	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
892	PPCODE:	1324	PPCODE:
893	{	1325	{
894	int fd = s_fileno_croak (fh, 0);	1326	int fd = s_fileno_croak (fh, 0);
895	dREQ;	1327	dREQ;
896		1328
897	req->type = EIO_SYNC_FILE_RANGE;	1329	req->type = EIO_SYNC_FILE_RANGE;
898	req->sv1 = newSVsv (fh);	1330	req->sv1 = newSVsv (fh);
899	req->int1 = fd;	1331	req->int1 = fd;
900	req->offs = offset;	1332	req->offs = offset;
901	req->size = nbytes;	1333	req->size = nbytes;
902	req->int2 = flags;	1334	req->int2 = flags;
903		1335
904	REQ_SEND (req);	1336	REQ_SEND;
905	}	1337	}
906		1338
907	void	1339	void
908	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1340	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
909	PPCODE:	1341	PPCODE:
910	{	1342	{
911	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
912	int fd = s_fileno_croak (fh, 0);	1343	int fd = s_fileno_croak (fh, 0);
913	dREQ;	1344	dREQ;
914		1345
915	if (close_pipe < 0)	1346	req->type = EIO_FALLOCATE;
		1347	req->sv1 = newSVsv (fh);
		1348	req->int1 = fd;
		1349	req->int2 = mode;
		1350	req->offs = offset;
		1351	req->size = len;
		1352
		1353	REQ_SEND;
		1354	}
		1355
		1356	void
		1357	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1358	PPCODE:
		1359	{
		1360	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1361	int fd = s_fileno_croak (fh, 0);
		1362	dREQ;
		1363
		1364	if (expect_false (close_fd < 0))
916	{	1365	{
917	int pipefd [2];	1366	int pipefd [2];
918		1367
		1368	if (
		1369	#ifdef _WIN32
		1370	_pipe (pipefd, 1, _O_BINARY) < 0
		1371	#else
919	if (pipe (pipefd) < 0	1372	pipe (pipefd) < 0
920	|| close (pipefd [1]) < 0
921	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1373	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1374	#endif
		1375	|| close (pipefd [1]) < 0
		1376	)
922	abort (); /*D*/	1377	abort (); /*D*/
923		1378
924	close_pipe = pipefd [0];	1379	close_fd = pipefd [0];
925	}	1380	}
926		1381
927	req->type = EIO_DUP2;	1382	req->type = EIO_DUP2;
928	req->int1 = close_pipe;	1383	req->int1 = close_fd;
929	req->sv2 = newSVsv (fh);	1384	req->sv2 = newSVsv (fh);
930	req->int2 = fd;	1385	req->int2 = fd;
931		1386
932	REQ_SEND (req);	1387	REQ_SEND;
933	}	1388	}
934		1389
935	void	1390	void
		1391	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1392	PPCODE:
		1393	{
		1394	int fd = s_fileno_croak (fh, 0);
		1395	dREQ;
		1396
		1397	req->type = EIO_SEEK;
		1398	req->sv1 = newSVsv (fh);
		1399	req->int1 = fd;
		1400	req->offs = SvVAL64 (offset);
		1401	req->int2 = whence;
		1402
		1403	REQ_SEND;
		1404	}
		1405
		1406	void
936	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1407	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
937	ALIAS:	1408	ALIAS:
938	aio_read = EIO_READ	1409	aio_read = EIO_READ
939	aio_write = EIO_WRITE	1410	aio_write = EIO_WRITE
940	PPCODE:	1411	PPCODE:
941	{	1412	{
…		…
957	len = svlen - dataoffset;	1428	len = svlen - dataoffset;
958	}	1429	}
959	else	1430	else
960	{	1431	{
961	/* read: check type and grow scalar as necessary */	1432	/* read: check type and grow scalar as necessary */
962	SvUPGRADE (data, SVt_PV);	1433	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
963	svptr = SvGROW (data, len + dataoffset + 1);	1434	svptr = sv_grow (data, len + dataoffset + 1);
		1435	else if (SvCUR (data) < len + dataoffset)
		1436	croak ("length + dataoffset outside of scalar, and cannot grow");
964	}	1437	}
965		1438
966	{	1439	{
967	dREQ;	1440	dREQ;
968		1441
…		…
984	REQ_SEND;	1457	REQ_SEND;
985	}	1458	}
986	}	1459	}
987		1460
988	void	1461	void
989	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1462	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1463	ALIAS:
		1464	aio_ioctl = EIO_IOCTL
		1465	aio_fcntl = EIO_FCNTL
990	PPCODE:	1466	PPCODE:
991	{	1467	{
992	SV *data;	1468	int fd = s_fileno_croak (fh, 0);
		1469	char *svptr;
		1470
		1471	if (SvPOK (arg) || !SvNIOK (arg))
		1472	{
		1473	STRLEN svlen;
		1474	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1475	#ifdef IOCPARM_LEN
		1476	STRLEN need = IOCPARM_LEN (request);
		1477	#else
		1478	STRLEN need = 256;
		1479	#endif
		1480
		1481	if (svlen < need)
		1482	svptr = SvGROW (arg, need);
		1483	}
		1484	else
		1485	svptr = (char *)SvIV (arg);
		1486
		1487	{
		1488	dREQ;
		1489
		1490	req->type = ix;
		1491	req->sv1 = newSVsv (fh);
		1492	req->int1 = fd;
		1493	req->int2 = (long)request;
		1494	req->sv2 = SvREFCNT_inc (arg);
		1495	req->ptr2 = svptr;
		1496
		1497	REQ_SEND;
		1498	}
		1499	}
		1500
		1501	void
		1502	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1503	ALIAS:
		1504	aio_readlink = EIO_READLINK
		1505	aio_realpath = EIO_REALPATH
		1506	PPCODE:
		1507	{
993	dREQ;	1508	dREQ;
994		1509
995	req->type = EIO_READLINK;	1510	req->type = ix;
996	req->sv1 = newSVsv (path);	1511	req_set_path1 (req, pathname);
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998		1512
999	REQ_SEND;	1513	REQ_SEND;
1000	}	1514	}
1001		1515
1002	void	1516	void
1003	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1517	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1004	PPCODE:	1518	PPCODE:
1005	{	1519	{
1006	int ifd = s_fileno_croak (in_fh , 0);	1520	int ifd = s_fileno_croak (in_fh , 0);
1007	int ofd = s_fileno_croak (out_fh, 1);	1521	int ofd = s_fileno_croak (out_fh, 1);
1008	dREQ;	1522	dREQ;
1009		1523
1010	req->type = EIO_SENDFILE;	1524	req->type = EIO_SENDFILE;
1011	req->sv1 = newSVsv (out_fh);	1525	req->sv1 = newSVsv (out_fh);
1012	req->int1 = ofd;	1526	req->int1 = ofd;
…		…
1017		1531
1018	REQ_SEND;	1532	REQ_SEND;
1019	}	1533	}
1020		1534
1021	void	1535	void
1022	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1536	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1023	PPCODE:	1537	PPCODE:
1024	{	1538	{
1025	int fd = s_fileno_croak (fh, 0);	1539	int fd = s_fileno_croak (fh, 0);
1026	dREQ;	1540	dREQ;
1027		1541
1028	req->type = EIO_READAHEAD;	1542	req->type = EIO_READAHEAD;
1029	req->sv1 = newSVsv (fh);	1543	req->sv1 = newSVsv (fh);
1030	req->int1 = fd;	1544	req->int1 = fd;
…		…
1033		1547
1034	REQ_SEND;	1548	REQ_SEND;
1035	}	1549	}
1036		1550
1037	void	1551	void
1038	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1552	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1039	ALIAS:	1553	ALIAS:
1040	aio_stat = EIO_STAT	1554	aio_stat = EIO_STAT
1041	aio_lstat = EIO_LSTAT	1555	aio_lstat = EIO_LSTAT
1042	aio_statvfs = EIO_STATVFS	1556	aio_statvfs = EIO_STATVFS
1043	PPCODE:	1557	PPCODE:
1044	{	1558	{
1045	dREQ;	1559	dREQ;
1046		1560
1047	req->sv1 = newSVsv (fh_or_path);	1561	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1048
1049	if (SvPOK (req->sv1))
1050	{
1051	req->type = ix;
1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
1053	}
1054	else
1055	{
1056	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1057	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1058	}
1059		1562
1060	REQ_SEND;	1563	REQ_SEND;
1061	}	1564	}
1062		1565
		1566	UV
		1567	major (UV dev)
		1568	ALIAS:
		1569	minor = 1
		1570	CODE:
		1571	RETVAL = ix ? minor (dev) : major (dev);
		1572	OUTPUT:
		1573	RETVAL
		1574
		1575	UV
		1576	makedev (UV maj, UV min)
		1577	CODE:
		1578	RETVAL = makedev (maj, min);
		1579	OUTPUT:
		1580	RETVAL
		1581
1063	void	1582	void
1064	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1583	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1065	PPCODE:	1584	PPCODE:
1066	{	1585	{
1067	dREQ;	1586	dREQ;
1068		1587
1069	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1588	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1070	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1589	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1071	req->sv1 = newSVsv (fh_or_path);	1590	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1072
1073	if (SvPOK (req->sv1))
1074	{
1075	req->type = EIO_UTIME;
1076	req->ptr1 = SvPVbyte_nolen (req->sv1);
1077	}
1078	else
1079	{
1080	req->type = EIO_FUTIME;
1081	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082	}
1083		1591
1084	REQ_SEND;	1592	REQ_SEND;
1085	}	1593	}
1086		1594
1087	void	1595	void
1088	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1596	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1089	PPCODE:	1597	PPCODE:
1090	{	1598	{
1091	dREQ;	1599	dREQ;
1092		1600
1093	req->sv1 = newSVsv (fh_or_path);
1094	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1601	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1095		1602	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1096	if (SvPOK (req->sv1))
1097	{
1098	req->type = EIO_TRUNCATE;
1099	req->ptr1 = SvPVbyte_nolen (req->sv1);
1100	}
1101	else
1102	{
1103	req->type = EIO_FTRUNCATE;
1104	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1105	}
1106		1603
1107	REQ_SEND;	1604	REQ_SEND;
1108	}	1605	}
1109		1606
1110	void	1607	void
1111	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1608	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1112	ALIAS:
1113	aio_chmod = EIO_CHMOD
1114	aio_mkdir = EIO_MKDIR
1115	PPCODE:	1609	PPCODE:
1116	{	1610	{
1117	dREQ;	1611	dREQ;
1118		1612
1119	req->int2 = mode;	1613	req->int2 = mode;
1120	req->sv1 = newSVsv (fh_or_path);	1614	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1121
1122	if (SvPOK (req->sv1))
1123	{
1124	req->type = ix;
1125	req->ptr1 = SvPVbyte_nolen (req->sv1);
1126	}
1127	else
1128	{
1129	req->type = EIO_FCHMOD;
1130	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1131	}
1132		1615
1133	REQ_SEND;	1616	REQ_SEND;
1134	}	1617	}
1135		1618
1136	void	1619	void
1137	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1620	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1138	PPCODE:	1621	PPCODE:
1139	{	1622	{
1140	dREQ;	1623	dREQ;
1141		1624
1142	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1625	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1143	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1626	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1144	req->sv1 = newSVsv (fh_or_path);	1627	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1145
1146	if (SvPOK (req->sv1))
1147	{
1148	req->type = EIO_CHOWN;
1149	req->ptr1 = SvPVbyte_nolen (req->sv1);
1150	}
1151	else
1152	{
1153	req->type = EIO_FCHOWN;
1154	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1155	}
1156		1628
1157	REQ_SEND;	1629	REQ_SEND;
1158	}	1630	}
1159		1631
1160	void	1632	void
1161	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1633	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1162	PPCODE:	1634	PPCODE:
1163	{	1635	{
1164	dREQ;	1636	dREQ;
1165		1637
1166	req->type = EIO_READDIR;	1638	req->type = EIO_READDIR;
1167	req->sv1 = newSVsv (pathname);
1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
1169	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1639	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1170		1640
1171	if (flags & EIO_READDIR_DENTS)	1641	if (flags & EIO_READDIR_DENTS)
1172	req->int1 |= EIO_READDIR_CUSTOM2;	1642	req->int1 |= EIO_READDIR_CUSTOM2;
1173		1643
		1644	req_set_path1 (req, pathname);
		1645
1174	REQ_SEND;	1646	REQ_SEND;
1175	}	1647	}
1176		1648
1177	void	1649	void
		1650	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1651	PPCODE:
		1652	{
		1653	dREQ;
		1654
		1655	req->type = EIO_MKDIR;
		1656	req->int2 = mode;
		1657	req_set_path1 (req, pathname);
		1658
		1659	REQ_SEND;
		1660	}
		1661
		1662	void
1178	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1663	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1179	ALIAS:	1664	ALIAS:
1180	aio_unlink = EIO_UNLINK	1665	aio_unlink = EIO_UNLINK
1181	aio_rmdir = EIO_RMDIR	1666	aio_rmdir = EIO_RMDIR
1182	aio_readdir = EIO_READDIR	1667	aio_readdir = EIO_READDIR
1183	PPCODE:	1668	PPCODE:
1184	{	1669	{
1185	dREQ;	1670	dREQ;
1186		1671
1187	req->type = ix;	1672	req->type = ix;
1188	req->sv1 = newSVsv (pathname);	1673	req_set_path1 (req, pathname);
1189	req->ptr1 = SvPVbyte_nolen (req->sv1);
1190		1674
1191	REQ_SEND;	1675	REQ_SEND;
1192	}	1676	}
1193		1677
1194	void	1678	void
1195	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1679	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1196	ALIAS:	1680	ALIAS:
1197	aio_link = EIO_LINK	1681	aio_link = EIO_LINK
1198	aio_symlink = EIO_SYMLINK	1682	aio_symlink = EIO_SYMLINK
1199	aio_rename = EIO_RENAME	1683	aio_rename = EIO_RENAME
1200	PPCODE:	1684	PPCODE:
1201	{	1685	{
		1686	eio_wd wd2 = 0;
1202	dREQ;	1687	dREQ;
1203		1688
1204	req->type = ix;	1689	req->type = ix;
1205	req->sv1 = newSVsv (oldpath);	1690	req_set_path1 (req, oldpath);
1206	req->ptr1 = SvPVbyte_nolen (req->sv1);	1691	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1207	req->sv2 = newSVsv (newpath);	1692	req->int3 = (long)wd2;
1208	req->ptr2 = SvPVbyte_nolen (req->sv2);
1209		1693
1210	REQ_SEND;	1694	REQ_SEND;
1211	}	1695	}
1212		1696
1213	void	1697	void
		1698	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1699	PPCODE:
		1700	{
		1701	eio_wd wd2 = 0;
		1702	dREQ;
		1703
		1704	req->type = EIO_RENAME;
		1705	req_set_path1 (req, oldpath);
		1706	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1707	req->int2 = flags;
		1708	req->int3 = (long)wd2;
		1709
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
1214	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1714	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1215	PPCODE:	1715	PPCODE:
1216	{	1716	{
1217	dREQ;	1717	dREQ;
1218		1718
1219	req->type = EIO_MKNOD;	1719	req->type = EIO_MKNOD;
1220	req->sv1 = newSVsv (pathname);
1221	req->ptr1 = SvPVbyte_nolen (req->sv1);
1222	req->int2 = (mode_t)mode;	1720	req->int2 = (mode_t)mode;
1223	req->offs = dev;	1721	req->offs = dev;
		1722	req_set_path1 (req, pathname);
1224		1723
1225	REQ_SEND;	1724	REQ_SEND;
1226	}	1725	}
1227		1726
1228	void	1727	void
1229	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1728	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1230	ALIAS:	1729	ALIAS:
1231	aio_mtouch = EIO_MTOUCH	1730	aio_mtouch = EIO_MTOUCH
1232	aio_msync = EIO_MSYNC	1731	aio_msync = EIO_MSYNC
1233	PPCODE:	1732	PPCODE:
1234	{	1733	{
1235	STRLEN svlen;	1734	STRLEN svlen;
1236	char *svptr = SvPVbyte (data, svlen);	1735	char *svptr = SvPVbyte (data, svlen);
1237	UV len = SvUV (length);	1736	UV len = SvUV (length);
		1737
		1738	if (flags < 0)
		1739	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1238		1740
1239	if (offset < 0)	1741	if (offset < 0)
1240	offset += svlen;	1742	offset += svlen;
1241		1743
1242	if (offset < 0 || offset > svlen)	1744	if (offset < 0 || offset > svlen)
…		…
1257	REQ_SEND;	1759	REQ_SEND;
1258	}	1760	}
1259	}	1761	}
1260		1762
1261	void	1763	void
1262	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1764	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1263	PPCODE:	1765	PPCODE:
1264	{	1766	{
1265	STRLEN svlen;	1767	STRLEN svlen;
1266	char *svptr = SvPVbyte (data, svlen);	1768	char *svptr = SvPVbyte (data, svlen);
1267	UV len = SvUV (length);	1769	UV len = SvUV (length);
…		…
1286	REQ_SEND;	1788	REQ_SEND;
1287	}	1789	}
1288	}	1790	}
1289		1791
1290	void	1792	void
1291	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1793	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1292	PPCODE:	1794	PPCODE:
1293	{	1795	{
1294	dREQ;	1796	dREQ;
1295		1797
1296	req->type = EIO_MLOCKALL;	1798	req->type = EIO_MLOCKALL;
…		…
1298		1800
1299	REQ_SEND;	1801	REQ_SEND;
1300	}	1802	}
1301		1803
1302	void	1804	void
		1805	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1806	PPCODE:
		1807	{
		1808	int fd = s_fileno_croak (fh, 0);
		1809	dREQ;
		1810
		1811	req->type = EIO_CUSTOM;
		1812	req->sv1 = newSVsv (fh);
		1813	req->int1 = fd;
		1814
		1815	req->feed = fiemap;
		1816	#if HAVE_FIEMAP
		1817	/* keep our fingers crossed that the next two types are 64 bit */
		1818	req->offs = start;
		1819	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1820	req->int2 = flags;
		1821	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1822	#endif
		1823
		1824	REQ_SEND;
		1825	}
		1826
		1827	void
		1828	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1829	PPCODE:
		1830	{
		1831	char *svptr = 0;
		1832
		1833	sv_clear_foreign (data);
		1834
		1835	if (length) /* known length, directly read into scalar */
		1836	{
		1837	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1838	svptr = sv_grow (data, length + 1);
		1839	else if (SvCUR (data) < length)
		1840	croak ("length outside of scalar, and cannot grow");
		1841	else
		1842	svptr = SvPVbyte_nolen (data);
		1843	}
		1844
		1845	{
		1846	dREQ;
		1847
		1848	req->type = EIO_SLURP;
		1849	req_set_path1 (req, pathname);
		1850	req->offs = offset;
		1851	req->size = length;
		1852	req->sv2 = SvREFCNT_inc (data);
		1853	req->ptr2 = svptr;
		1854
		1855	if (!SvREADONLY (data))
		1856	{
		1857	SvREADONLY_on (data);
		1858	req->flags |= FLAG_SV2_RO_OFF;
		1859	}
		1860
		1861	REQ_SEND;
		1862	}
		1863	}
		1864
		1865	void
1303	aio_busy (double delay, SV *callback=&PL_sv_undef)	1866	aio_busy (double delay, SV *callback = &PL_sv_undef)
1304	PPCODE:	1867	PPCODE:
1305	{	1868	{
1306	dREQ;	1869	dREQ;
1307		1870
1308	req->type = EIO_BUSY;	1871	req->type = EIO_BUSY;
…		…
1310		1873
1311	REQ_SEND;	1874	REQ_SEND;
1312	}	1875	}
1313		1876
1314	void	1877	void
1315	aio_group (SV *callback=&PL_sv_undef)	1878	aio_group (SV *callback = &PL_sv_undef)
1316	PPCODE:	1879	PPCODE:
1317	{	1880	{
1318	dREQ;	1881	dREQ;
1319		1882
1320	req->type = EIO_GROUP;	1883	req->type = EIO_GROUP;
1321		1884
		1885	PUTBACK;
1322	req_submit (req);	1886	req_submit (req);
		1887	SPAGAIN;
		1888
1323	XPUSHs (req_sv (req, aio_grp_stash));	1889	XPUSHs (req_sv (req, aio_grp_stash));
1324	}	1890	}
1325		1891
1326	void	1892	void
1327	aio_nop (SV *callback=&PL_sv_undef)	1893	aio_nop (SV *callback = &PL_sv_undef)
1328	ALIAS:	1894	ALIAS:
1329	aio_nop = EIO_NOP	1895	aio_nop = EIO_NOP
1330	aio_sync = EIO_SYNC	1896	aio_sync = EIO_SYNC
1331	PPCODE:	1897	PPCODE:
1332	{	1898	{
…		…
1336		1902
1337	REQ_SEND;	1903	REQ_SEND;
1338	}	1904	}
1339		1905
1340	int	1906	int
1341	aioreq_pri (int pri = 0)	1907	aioreq_pri (int pri = NO_INIT)
1342	CODE:	1908	CODE:
1343	RETVAL = next_pri;	1909	RETVAL = next_pri;
1344	if (items > 0)	1910	if (items > 0)
1345	{	1911	{
1346	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1912	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1428	CODE:	1994	CODE:
1429	RETVAL = posix_fadvise (fh, offset, length, advice);	1995	RETVAL = posix_fadvise (fh, offset, length, advice);
1430	OUTPUT:	1996	OUTPUT:
1431	RETVAL	1997	RETVAL
1432		1998
1433	ssize_t	1999	IV
1434	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2000	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1435	CODE:	2001	CODE:
1436	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2002	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1437	OUTPUT:	2003	OUTPUT:
1438	RETVAL	2004	RETVAL
1439		2005
1440	void	2006	void
1441	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2007	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1442	PPCODE:	2008	PPCODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	2009	sv_clear_foreign (scalar);
1444	{	2010	{
1445	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2011	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1446	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2012	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1447	if (addr == (void *)-1)	2013	if (addr == (void *)-1)
1448	XSRETURN_NO;	2014	XSRETURN_NO;
1449		2015
1450	sv_force_normal (scalar);	2016	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1451
1452	/* we store the length in mg_obj, as namlen is I32 :/ */
1453	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1454	->mg_obj = (SV *)length;
1455
1456	SvUPGRADE (scalar, SVt_PV); /* nop... */
1457		2017
1458	if (!(prot & PROT_WRITE))	2018	if (!(prot & PROT_WRITE))
1459	SvREADONLY_on (scalar);	2019	SvREADONLY_on (scalar);
1460		2020
1461	if (SvLEN (scalar))
1462	Safefree (SvPVX (scalar));
1463
1464	SvPVX (scalar) = (char *)addr;
1465	SvCUR_set (scalar, length);
1466	SvLEN_set (scalar, 0);
1467	SvPOK_only (scalar);
1468
1469	XSRETURN_YES;	2021	XSRETURN_YES;
1470	}	2022	}
1471		2023
1472	void	2024	void
1473	munmap (SV *scalar)	2025	munmap (SV *scalar)
1474	CODE:	2026	CODE:
1475	sv_unmagic (scalar, MMAP_MAGIC);	2027	sv_clear_foreign (scalar);
1476		2028
1477	int	2029	int
1478	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2030	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1479	ALIAS:	2031	ALIAS:
1480	mprotect = 1	2032	mprotect = 1
1481	CODE:	2033	CODE:
1482	{	2034	{
1483	STRLEN svlen;	2035	STRLEN svlen;
1484	void *addr = SvPVbyte (scalar, svlen);	2036	void *addr = SvPVbyte (scalar, svlen);
1485	size_t len = SvUV (length);	2037	STRLEN len = SvUV (length);
1486		2038
1487	if (offset < 0)	2039	if (offset < 0)
1488	offset += svlen;	2040	offset += svlen;
1489		2041
1490	if (offset < 0 || offset > svlen)	2042	if (offset < 0 || offset > svlen)
…		…
1504	}	2056	}
1505	OUTPUT:	2057	OUTPUT:
1506	RETVAL	2058	RETVAL
1507		2059
1508	int	2060	int
1509	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2061	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1510	CODE:	2062	CODE:
1511	{	2063	{
1512	STRLEN svlen;	2064	STRLEN svlen;
1513	void *addr = SvPVbyte (scalar, svlen);	2065	void *addr = SvPVbyte (scalar, svlen);
1514	size_t len = SvUV (length);	2066	size_t len = SvUV (length);
1515		2067
1516	if (offset < 0)	2068	if (offset < 0)
1517	offset += svlen;	2069	offset += svlen;
1518		2070
…		…
1522	if (!SvOK (length) || len + offset > svlen)	2074	if (!SvOK (length) || len + offset > svlen)
1523	len = svlen - offset;	2075	len = svlen - offset;
1524		2076
1525	addr = (void *)(((intptr_t)addr) + offset);	2077	addr = (void *)(((intptr_t)addr) + offset);
1526	eio_page_align (&addr, &len);	2078	eio_page_align (&addr, &len);
1527	#if _POSIX_MEMLOCK	2079	#if _POSIX_MEMLOCK_RANGE
1528	RETVAL = munlock (addr, len);	2080	RETVAL = munlock (addr, len);
1529	#else	2081	#else
1530	RETVAL = ((errno = ENOSYS), -1);	2082	RETVAL = EIO_ENOSYS ();
1531	#endif	2083	#endif
1532	}	2084	}
1533	OUTPUT:	2085	OUTPUT:
1534	RETVAL	2086	RETVAL
1535		2087
…		…
1537	munlockall ()	2089	munlockall ()
1538	CODE:	2090	CODE:
1539	#if _POSIX_MEMLOCK	2091	#if _POSIX_MEMLOCK
1540	munlockall ();	2092	munlockall ();
1541	#else	2093	#else
1542	RETVAL = -1;	2094	RETVAL = EIO_ENOSYS ();
1543	errno = ENOSYS;
1544	#endif	2095	#endif
1545	OUTPUT:	2096	OUTPUT:
1546	RETVAL	2097	RETVAL
		2098
		2099	int
		2100	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2101	CODE:
		2102	{
		2103	#if HAVE_LINUX_SPLICE
		2104	loff_t off_in_, off_out_;
		2105	RETVAL = splice (
		2106	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2107	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2108	length, flags
		2109	);
		2110	#else
		2111	RETVAL = EIO_ENOSYS ();
		2112	#endif
		2113	}
		2114	OUTPUT:
		2115	RETVAL
		2116
		2117	int
		2118	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2119	CODE:
		2120	#if HAVE_LINUX_SPLICE
		2121	RETVAL = tee (rfh, wfh, length, flags);
		2122	#else
		2123	RETVAL = EIO_ENOSYS ();
		2124	#endif
		2125	OUTPUT:
		2126	RETVAL
		2127
		2128	int
		2129	pipesize (aio_rfd rfh, int new_size = -1)
		2130	PROTOTYPE: $;$
		2131	CODE:
		2132	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2133	if (new_size >= 0)
		2134	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2135	else
		2136	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2137	#else
		2138	errno = ENOSYS;
		2139	RETVAL = -1;
		2140	#endif
		2141	OUTPUT:
		2142	RETVAL
		2143
		2144	void
		2145	pipe2 (int flags = 0)
		2146	PROTOTYPE: ;$
		2147	PPCODE:
		2148	{
		2149	int fd[2];
		2150	int res;
		2151
		2152	if (flags)
		2153	#if HAVE_PIPE2
		2154	res = pipe2 (fd, flags);
		2155	#else
		2156	res = (errno = ENOSYS, -1);
		2157	#endif
		2158	else
		2159	res = pipe (fd);
		2160
		2161	if (!res)
		2162	{
		2163	EXTEND (SP, 2);
		2164	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2165	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2166	}
		2167	}
		2168
		2169	void
		2170	eventfd (unsigned int initval = 0, int flags = 0)
		2171	PPCODE:
		2172	{
		2173	int fd;
		2174	#if HAVE_EVENTFD
		2175	fd = eventfd (initval, flags);
		2176	#else
		2177	fd = (errno = ENOSYS, -1);
		2178	#endif
		2179
		2180	XPUSHs (newmortalFH (fd, O_RDWR));
		2181	}
		2182
		2183	UV
		2184	get_fdlimit ()
		2185	CODE:
		2186	#if HAVE_RLIMITS
		2187	struct rlimit rl;
		2188	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2189	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2190	#endif
		2191	XSRETURN_UNDEF;
		2192	OUTPUT:
		2193	RETVAL
		2194
		2195	void
		2196	min_fdlimit (UV limit = 0x7fffffffU)
		2197	CODE:
		2198	{
		2199	#if HAVE_RLIMITS
		2200	struct rlimit rl;
		2201	rlim_t orig_rlim_max;
		2202	UV bit;
		2203
		2204	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2205	goto fail;
		2206
		2207	if (rl.rlim_cur == RLIM_INFINITY)
		2208	XSRETURN_YES;
		2209
		2210	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2211
		2212	if (rl.rlim_cur < limit)
		2213	{
		2214	rl.rlim_cur = limit;
		2215
		2216	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2217	rl.rlim_max = rl.rlim_cur;
		2218	}
		2219
		2220	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2221	XSRETURN_YES;
		2222
		2223	if (errno == EPERM)
		2224	{
		2225	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2226	/* our limit overflows a system-wide limit */
		2227	/* try an adaptive algorithm, but do not lower the hardlimit */
		2228	rl.rlim_max = 0;
		2229	for (bit = 0x40000000U; bit; bit >>= 1)
		2230	{
		2231	rl.rlim_max |= bit;
		2232	rl.rlim_cur = rl.rlim_max;
		2233
		2234	/* nevr decrease the hard limit */
		2235	if (rl.rlim_max < orig_rlim_max)
		2236	break;
		2237
		2238	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2239	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2240	}
		2241
		2242	/* now, raise the soft limit to the max permitted */
		2243	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2244	{
		2245	rl.rlim_cur = rl.rlim_max;
		2246	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2247	errno = EPERM;
		2248	}
		2249	}
		2250	#endif
		2251	fail:
		2252	XSRETURN_UNDEF;
		2253	}
1547		2254
1548	void _on_next_submit (SV *cb)	2255	void _on_next_submit (SV *cb)
1549	CODE:	2256	CODE:
1550	SvREFCNT_dec (on_next_submit);	2257	SvREFCNT_dec (on_next_submit);
1551	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2258	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1552		2259
1553	PROTOTYPES: DISABLE	2260	PROTOTYPES: DISABLE
1554		2261
		2262	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2263
		2264	BOOT:
		2265	{
		2266	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2267	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2268	}
		2269
		2270	void
		2271	DESTROY (SV *self)
		2272	CODE:
		2273	{
		2274	aio_wd wd = SvAIO_WD (self);
		2275	#if HAVE_AT
		2276	{
		2277	SV *callback = &PL_sv_undef;
		2278	dREQ; /* clobbers next_pri :/ */
		2279	next_pri = req->pri; /* restore next_pri */
		2280	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2281	req->type = EIO_WD_CLOSE;
		2282	req->wd = wd;
		2283	REQ_SEND;
		2284	}
		2285	#else
		2286	eio_wd_close_sync (wd);
		2287	#endif
		2288	}
		2289
1555	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2290	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1556		2291
1557	void	2292	void
1558	cancel (aio_req_ornot req)	2293	cancel (aio_req_ornot req)
1559	CODE:	2294	CODE:
1560	eio_cancel (req);	2295	eio_cancel (req);
1561		2296
1562	void	2297	void
1563	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2298	cb (aio_req_ornot req, SV *callback = NO_INIT)
1564	PPCODE:	2299	PPCODE:
1565	{	2300	{
1566	if (GIMME_V != G_VOID)	2301	if (GIMME_V != G_VOID)
1567	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2302	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1568		2303
1569	if (items > 1)	2304	if (items > 1)
1570	{	2305	{
1571	SV *cb_cv =get_cb (callback);	2306	SV *cb_cv = get_cb (callback);
1572		2307
1573	SvREFCNT_dec (req->callback);	2308	SvREFCNT_dec (req->callback);
1574	req->callback = SvREFCNT_inc (cb_cv);	2309	req->callback = SvREFCNT_inc (cb_cv);
1575	}	2310	}
1576	}	2311	}
…		…
1633	limit (aio_req grp, int limit)	2368	limit (aio_req grp, int limit)
1634	CODE:	2369	CODE:
1635	eio_grp_limit (grp, limit);	2370	eio_grp_limit (grp, limit);
1636		2371
1637	void	2372	void
1638	feed (aio_req grp, SV *callback=&PL_sv_undef)	2373	feed (aio_req grp, SV *callback = &PL_sv_undef)
1639	CODE:	2374	CODE:
1640	{	2375	{
1641	SvREFCNT_dec (grp->sv2);	2376	SvREFCNT_dec (grp->sv2);
1642	grp->sv2 = newSVsv (callback);	2377	grp->sv2 = newSVsv (callback);
1643	grp->feed = aio_grp_feed;	2378	grp->feed = aio_grp_feed;

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