[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.257 by root, Tue Jul 17 23:20:09 2018 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8
9	#include "schmorp.h"
10		8
11	#include <stddef.h>	9	#include <stddef.h>
12	#include <stdlib.h>	10	#include <stdlib.h>
13	#include <errno.h>	11	#include <errno.h>
14	#include <sys/types.h>	12	#include <sys/types.h>
15	#include <sys/stat.h>	13	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	14	#include <limits.h>
18	#include <fcntl.h>	15	#include <fcntl.h>
19	#include <sched.h>	16	#include <sched.h>
20		17
		18	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		19	# include <sys/mman.h>
		20	#endif
		21
		22	/* the incompetent fool that created musl keeps __linux__, refuses
		23	* to implement any linux standard apis, and also has no way to test
		24	* for his broken iplementation. don't complain to me if this fails
		25	* for you.
		26	*/
		27	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
		28	# include <linux/fs.h>
		29	# ifdef FS_IOC_FIEMAP
		30	# include <linux/types.h>
		31	# include <linux/fiemap.h>
		32	# define HAVE_FIEMAP 1
		33	# endif
		34	#endif
		35
21	/* perl namespace pollution */	36	/* perl namespace pollution */
22	#undef VERSION	37	#undef VERSION
23
24	#ifdef _WIN32
25
26	# define EIO_STRUCT_DIRENT Direntry_t
27	# undef malloc
28	# undef free
29
30	// perl overrides all those nice win32 functions
31	# undef open
32	# undef read
33	# undef write
34	# undef send
35	# undef recv
36	# undef stat
37	# undef fstat
38	# define lstat stat
39	# undef truncate
40	# undef ftruncate
41	# undef open
42	# undef close
43	# undef unlink
44	# undef rmdir
45	# undef rename
46	# undef lseek
47
48	# define chown(a,b,c) (errno = ENOSYS, -1)
49	# define fchown(a,b,c) (errno = ENOSYS, -1)
50	# define fchmod(a,b) (errno = ENOSYS, -1)
51	# define symlink(a,b) (errno = ENOSYS, -1)
52	# define readlink(a,b,c) (errno = ENOSYS, -1)
53	# define mknod(a,b,c) (errno = ENOSYS, -1)
54	# define truncate(a,b) (errno = ENOSYS, -1)
55	# define ftruncate(fd,o) chsize ((fd), (o))
56	# define fsync(fd) _commit (fd)
57	# define opendir(fd) (errno = ENOSYS, 0)
58	# define readdir(fd) (errno = ENOSYS, -1)
59	# define closedir(fd) (errno = ENOSYS, -1)
60	# define mkdir(a,b) mkdir (a)
61
62	#else
63
64	# include <sys/time.h>
65	# include <sys/select.h>
66	# include <unistd.h>
67	# include <utime.h>
68	# include <signal.h>
69	# define EIO_STRUCT_DIRENT struct dirent
70
71	#endif
72		38
73	/* perl stupidly overrides readdir and maybe others */	39	/* perl stupidly overrides readdir and maybe others */
74	/* with thread-unsafe versions, imagine that :( */	40	/* with thread-unsafe versions, imagine that :( */
75	#undef readdir	41	#undef readdir
76	#undef opendir	42	#undef opendir
77	#undef closedir	43	#undef closedir
78		44
		45	#ifdef _WIN32
		46
		47	// perl overrides all those nice libc functions
		48
		49	#undef malloc
		50	#undef free
		51	#undef open
		52	#undef read
		53	#undef write
		54	#undef send
		55	#undef recv
		56	#undef stat
		57	#undef lstat
		58	#undef fstat
		59	#undef truncate
		60	#undef ftruncate
		61	#undef open
		62	#undef link
		63	#undef close
		64	#undef unlink
		65	#undef mkdir
		66	#undef rmdir
		67	#undef rename
		68	#undef lseek
		69	#undef opendir
		70	#undef readdir
		71	#undef closedir
		72	#undef chmod
		73	#undef fchmod
		74	#undef dup
		75	#undef dup2
		76	#undef abort
		77	#undef pipe
		78
		79	#define EIO_STRUCT_STAT struct _stati64
79	#define EIO_STRUCT_STAT Stat_t	80	#define EIO_STRUCT_STATI64
80		81
81	/* use NV for 32 bit perls as it allows larger offsets */
82	#if IVSIZE >= 8
83	# define VAL64 IV
84	# define SvVAL64 SvIV
85	# define newSVval64 newSViv
86	#else	82	#else
87	# define VAL64 NV	83
88	# define SvVAL64 SvNV	84	#include <sys/time.h>
89	# define newSVval64 newSVnv	85	#include <sys/select.h>
		86	#include <unistd.h>
		87	#include <utime.h>
		88	#include <signal.h>
		89
		90	#define EIO_STRUCT_STAT Stat_t
		91
90	#endif	92	#endif
91		93
92	/*****************************************************************************/	94	/*****************************************************************************/
93		95
94	#if __GNUC__ >= 3	96	#if __GNUC__ >= 3
…		…
100	#define expect_false(expr) expect ((expr) != 0, 0)	102	#define expect_false(expr) expect ((expr) != 0, 0)
101	#define expect_true(expr) expect ((expr) != 0, 1)	103	#define expect_true(expr) expect ((expr) != 0, 1)
102		104
103	/*****************************************************************************/	105	/*****************************************************************************/
104		106
		107	#include "libeio/config.h"
		108
		109	#include "schmorp.h"
		110
		111	#if HAVE_EVENTFD
		112	# include <sys/eventfd.h>
		113	#endif
		114
		115	#if HAVE_TIMERFD
		116	# include <sys/timerfd.h>
		117	#endif
		118
		119	#if HAVE_RLIMITS
		120	#include <sys/time.h>
		121	#include <sys/resource.h>
		122	#endif
		123
105	typedef SV SV8; /* byte-sv, used for argument-checking */	124	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	125	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	126	typedef int aio_wfd; /* write file descriptor */
108		127
109	static HV aio_stash, aio_req_stash, *aio_grp_stash;	128	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
110		129
111	#define EIO_REQ_MEMBERS \	130	#define EIO_REQ_MEMBERS \
112	SV *callback; \	131	SV *callback; \
113	SV sv1, sv2; \	132	SV sv1, sv2; \
		133	SV sv3, sv4; \
114	STRLEN stroffset; \	134	STRLEN stroffset; \
115	SV *self;	135	SV *self;
116		136
117	#define EIO_NO_WRAPPERS 1	137	#define EIO_NO_WRAPPERS 1
118		138
119	#include "libeio/eio.h"	139	#include "libeio/eio.h"
120
121	#ifndef POSIX_FADV_NORMAL
122	# define POSIX_FADV_NORMAL 0
123	# define NO_FADVISE 1
124	#endif
125
126	#ifndef POSIX_FADV_SEQUENTIAL
127	# define POSIX_FADV_SEQUENTIAL 0
128	#endif
129
130	#ifndef POSIX_FADV_RANDOM
131	# define POSIX_FADV_RANDOM 0
132	#endif
133
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141
142	#ifndef POSIX_FADV_DONTNEED
143	# define POSIX_FADV_DONTNEED 0
144	#endif
145
146	#ifndef ST_NODEV
147	# define ST_NODEV 0
148	#endif
149
150	#ifndef ST_NOEXEC
151	# define ST_NOEXEC 0
152	#endif
153
154	#ifndef ST_SYNCHRONOUS
155	# define ST_SYNCHRONOUS 0
156	#endif
157
158	#ifndef ST_MANDLOCK
159	# define ST_MANDLOCK 0
160	#endif
161
162	#ifndef ST_WRITE
163	# define ST_WRITE 0
164	#endif
165
166	#ifndef ST_APPEND
167	# define ST_APPEND 0
168	#endif
169
170	#ifndef ST_IMMUTABLE
171	# define ST_IMMUTABLE 0
172	#endif
173
174	#ifndef ST_NOATIME
175	# define ST_NOATIME 0
176	#endif
177
178	#ifndef ST_NODIRATIME
179	# define ST_NODIRATIME 0
180	#endif
181
182	#ifndef ST_RELATIME
183	# define ST_RELATIME 0
184	#endif
185		140
186	static int req_invoke (eio_req *req);	141	static int req_invoke (eio_req *req);
187	#define EIO_FINISH(req) req_invoke (req)	142	#define EIO_FINISH(req) req_invoke (req)
188	static void req_destroy (eio_req *grp);	143	static void req_destroy (eio_req *grp);
189	#define EIO_DESTROY(req) req_destroy (req)	144	#define EIO_DESTROY(req) req_destroy (req)
190		145
		146	#include "libeio/eio.c"
		147
		148	#if !HAVE_POSIX_FADVISE
		149	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		150	#endif
		151
		152	#if !HAVE_POSIX_MADVISE
		153	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		154	#endif
		155
		156	#ifndef MAP_ANONYMOUS
		157	# ifdef MAP_ANON
		158	# define MAP_ANONYMOUS MAP_ANON
		159	# else
		160	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		161	# endif
		162	#endif
		163
		164	/* defines all sorts of constants to 0 unless they are already defined */
		165	/* also provides const_iv_ and const_niv_ macros for them */
		166	#include "def0.h"
		167
		168	#ifndef makedev
		169	# define makedev(maj,min) (((maj) << 8) \| (min))
		170	#endif
		171	#ifndef major
		172	# define major(dev) ((dev) >> 8)
		173	#endif
		174	#ifndef minor
		175	# define minor(dev) ((dev) & 0xff)
		176	#endif
		177
		178	#if PAGESIZE <= 0
		179	# define PAGESIZE sysconf (_SC_PAGESIZE)
		180	#endif
		181
		182	/*****************************************************************************/
		183
		184	#if !_POSIX_MAPPED_FILES
		185	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		186	# define munmap(addr,length) EIO_ENOSYS ()
		187	#endif
		188
		189	#if !_POSIX_MEMORY_PROTECTION
		190	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		191	#endif
		192
		193	#if !MREMAP_MAYMOVE
		194	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		195	#endif
		196
		197	#define FOREIGN_MAGIC PERL_MAGIC_ext
		198
		199	static int ecb_cold
		200	mmap_free (pTHX_ SV sv, MAGIC mg)
		201	{
		202	int old_errno = errno;
		203	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		204	errno = old_errno;
		205
		206	mg->mg_obj = 0; /* just in case */
		207
		208	SvREADONLY_off (sv);
		209
		210	if (SvPVX (sv) != mg->mg_ptr)
		211	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		212
		213	SvCUR_set (sv, 0);
		214	SvPVX (sv) = 0;
		215	SvOK_off (sv);
		216
		217	return 0;
		218	}
		219
		220	static MGVTBL mmap_vtbl = {
		221	0, 0, 0, 0, mmap_free
		222	};
		223
		224	static int ecb_cold
		225	sysfree_free (pTHX_ SV sv, MAGIC mg)
		226	{
		227	free (mg->mg_ptr);
		228	mg->mg_obj = 0; /* just in case */
		229
		230	SvREADONLY_off (sv);
		231
		232	if (SvPVX (sv) != mg->mg_ptr)
		233	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		234
		235	SvCUR_set (sv, 0);
		236	SvPVX (sv) = 0;
		237	SvOK_off (sv);
		238
		239	return 0;
		240	}
		241
		242	static MGVTBL sysfree_vtbl = {
		243	0, 0, 0, 0, sysfree_free
		244	};
		245
		246	/*****************************************************************************/
		247
		248	/* helper: set scalar to foreign ptr with custom free */
		249	static void
		250	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		251	{
		252	sv_force_normal (sv);
		253
		254	/* we store the length in mg_obj, as namlen is I32 :/ */
		255	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		256	->mg_obj = (SV *)length;
		257
		258	SvUPGRADE (sv, SVt_PV); /* nop... */
		259
		260	if (SvLEN (sv))
		261	Safefree (SvPVX (sv));
		262
		263	SvPVX (sv) = (char *)addr;
		264	SvCUR_set (sv, length);
		265	SvLEN_set (sv, 0);
		266	SvPOK_only (sv);
		267	}
		268
		269	static void
		270	sv_clear_foreign (SV *sv)
		271	{
		272	/* todo: iterate over magic and only free ours, but of course */
		273	/* the perl5porters will call that (correct) behaviour buggy */
		274	sv_unmagic (sv, FOREIGN_MAGIC);
		275	}
		276
		277	/*****************************************************************************/
		278
		279	static void
		280	fiemap (eio_req *req)
		281	{
		282	req->result = -1;
		283
		284	#if HAVE_FIEMAP
		285	/* assume some c99 */
		286	struct fiemap *fiemap = 0;
		287	size_t end_offset;
		288	int count = req->int3;
		289
		290	req->flags \|= EIO_FLAG_PTR1_FREE;
		291
		292	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		293	/* increase in 3.5kb steps */
		294	if (count < 0)
		295	count = 8;
		296
		297	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		298	errno = ENOMEM;
		299	if (!fiemap)
		300	return;
		301
		302	req->ptr1 = fiemap;
		303
		304	fiemap->fm_start = req->offs;
		305	fiemap->fm_length = req->size;
		306	fiemap->fm_flags = req->int2;
		307	fiemap->fm_extent_count = count;
		308
		309	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		310	return;
		311
		312	if (req->int3 >= 0 /* not autosizing */
		313	\|\| !fiemap->fm_mapped_extents /* no more extents */
		314	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		315	goto done;
		316
		317	/* else we have to loop -
		318	* it would be tempting (actually I tried that first) to just query the
		319	* number of extents needed, but linux often feels like not returning all
		320	* extents, without telling us it left any out. this complicates
		321	* this quite a bit.
		322	*/
		323
		324	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		325
		326	for (;;)
		327	{
		328	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		329	char scratch[3072];
		330	struct fiemap incmap = (struct fiemap )scratch;
		331
		332	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		333	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		334	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		335	incmap->fm_flags = fiemap->fm_flags;
		336	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		337
		338	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		339	return;
		340
		341	if (!incmap->fm_mapped_extents)
		342	goto done;
		343
		344	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		345	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		346	errno = ENOMEM;
		347	if (!fiemap)
		348	return;
		349
		350	req->ptr1 = fiemap;
		351
		352	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		353	{
		354	struct fiemap_extent *e = incmap->fm_extents + count;
		355
		356	if (e->fe_logical + e->fe_length >= end_offset)
		357	goto done;
		358
		359	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		360
		361	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		362	goto done;
		363
		364	}
		365	}
		366
		367	done:
		368	req->result = 0;
		369
		370	#else
		371	errno = ENOSYS;
		372	#endif
		373	}
		374
		375	/*****************************************************************************/
		376
191	enum {	377	enum {
192	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	378	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
193	};	379	};
194		380
195	#include "libeio/eio.c"
196
197	typedef eio_req *aio_req;	381	typedef eio_req *aio_req;
198	typedef eio_req *aio_req_ornot;	382	typedef eio_req *aio_req_ornot;
		383	typedef eio_wd aio_wd;
199		384
200	static SV *on_next_submit;	385	static SV *on_next_submit;
201	static int next_pri = EIO_PRI_DEFAULT;	386	static int next_pri = EIO_PRI_DEFAULT;
202	static int max_outstanding;	387	static int max_outstanding;
203		388
204	static s_epipe respipe;	389	static s_epipe respipe;
205		390
206	static void req_destroy (aio_req req);	391	static void req_destroy (aio_req req);
207	static void req_cancel (aio_req req);	392	static void req_cancel (aio_req req);
208		393
209	static void want_poll (void)	394	static void
		395	want_poll (void)
210	{	396	{
211	/* write a dummy byte to the pipe so fh becomes ready */	397	/* write a dummy byte to the pipe so fh becomes ready */
212	s_epipe_signal (&respipe);	398	s_epipe_signal (&respipe);
213	}	399	}
214		400
215	static void done_poll (void)	401	static void
		402	done_poll (void)
216	{	403	{
217	/* read any signals sent by the worker threads */	404	/* read any signals sent by the worker threads */
218	s_epipe_drain (&respipe);	405	s_epipe_drain (&respipe);
219	}	406	}
220		407
221	/* must be called at most once */	408	/* must be called at most once */
		409	static SV *
222	static SV req_sv (aio_req req, HV stash)	410	req_sv (aio_req req, HV *stash)
223	{	411	{
224	if (!req->self)	412	if (!req->self)
225	{	413	{
226	req->self = (SV *)newHV ();	414	req->self = (SV *)newHV ();
227	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	415	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
228	}	416	}
229		417
230	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	418	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
231	}	419	}
232		420
233	static aio_req SvAIO_REQ (SV *sv)	421	static SV *
		422	newSVaio_wd (aio_wd wd)
		423	{
		424	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		425	}
		426
		427	static aio_req
		428	SvAIO_REQ (SV *sv)
234	{	429	{
235	MAGIC *mg;	430	MAGIC *mg;
236		431
237	if (!SvROK (sv)	432	if (!SvROK (sv)
		433	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
238	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	434	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
239	&& SvSTASH (SvRV (sv)) != aio_req_stash	435	&& SvSTASH (SvRV (sv)) != aio_req_stash
240	&& !sv_derived_from (sv, "IO::AIO::REQ")))	436	&& !sv_derived_from (sv, "IO::AIO::REQ")))
241	croak ("object of class IO::AIO::REQ expected");	437	croak ("object of class IO::AIO::REQ expected");
242		438
243	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	439	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
244		440
245	return mg ? (aio_req)mg->mg_ptr : 0;	441	return mg ? (aio_req)mg->mg_ptr : 0;
246	}	442	}
247		443
		444	static aio_wd
		445	SvAIO_WD (SV *sv)
		446	{
		447	if (!SvROK (sv)
		448	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
		449	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
		450	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		451
		452	return (aio_wd)(long)SvIVX (SvRV (sv));
		453	}
		454
		455	static SV *
		456	newmortalFH (int fd, int flags)
		457	{
		458	if (fd < 0)
		459	return &PL_sv_undef;
		460
		461	GV gv = (GV )sv_newmortal ();
		462	char sym[64];
		463	int symlen;
		464
		465	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		466	gv_init (gv, aio_stash, sym, symlen, 0);
		467
		468	symlen = snprintf (
		469	sym,
		470	sizeof (sym),
		471	"%s&=%d",
		472	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		473	fd
		474	);
		475
		476	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		477	? (SV *)gv : &PL_sv_undef;
		478	}
		479
		480	static void
248	static void aio_grp_feed (aio_req grp)	481	aio_grp_feed (aio_req grp)
249	{	482	{
250	if (grp->sv2 && SvOK (grp->sv2))	483	if (grp->sv2 && SvOK (grp->sv2))
251	{	484	{
252	dSP;	485	dSP;
253		486
…		…
261	FREETMPS;	494	FREETMPS;
262	LEAVE;	495	LEAVE;
263	}	496	}
264	}	497	}
265		498
		499	static void
266	static void req_submit (eio_req *req)	500	req_submit (eio_req *req)
267	{	501	{
268	eio_submit (req);	502	eio_submit (req);
269		503
270	if (expect_false (on_next_submit))	504	if (expect_false (on_next_submit))
271	{	505	{
…		…
278	PUTBACK;	512	PUTBACK;
279	call_sv (cb, G_DISCARD \| G_EVAL);	513	call_sv (cb, G_DISCARD \| G_EVAL);
280	}	514	}
281	}	515	}
282		516
		517	static int
283	static int req_invoke (eio_req *req)	518	req_invoke (eio_req *req)
284	{	519	{
285	dSP;
286
287	if (req->flags & FLAG_SV2_RO_OFF)	520	if (req->flags & FLAG_SV2_RO_OFF)
288	SvREADONLY_off (req->sv2);	521	SvREADONLY_off (req->sv2);
289		522
290	if (!EIO_CANCELLED (req) && req->callback)	523	if (!EIO_CANCELLED (req) && req->callback)
291	{	524	{
		525	dSP;
		526	static SV sv_result_cache; / caches the result integer SV */
		527	SV *sv_result;
		528
292	ENTER;	529	ENTER;
293	SAVETMPS;	530	SAVETMPS;
294	PUSHMARK (SP);	531	PUSHMARK (SP);
295	EXTEND (SP, 1);	532	EXTEND (SP, 1);
296		533
		534	/* do not recreate the result IV from scratch each time */
		535	if (expect_true (sv_result_cache))
		536	{
		537	sv_result = sv_result_cache; sv_result_cache = 0;
		538	SvIV_set (sv_result, req->result);
		539	SvIOK_only (sv_result);
		540	}
		541	else
		542	{
		543	sv_result = newSViv (req->result);
		544	SvREADONLY_on (sv_result);
		545	}
		546
297	switch (req->type)	547	switch (req->type)
298	{	548	{
		549	case EIO_WD_OPEN:
		550	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		551	break;
		552
299	case EIO_READDIR:	553	case EIO_READDIR:
300	{	554	{
301	SV *rv = &PL_sv_undef;	555	SV *rv = &PL_sv_undef;
302		556
303	if (req->result >= 0)	557	if (req->result >= 0)
…		…
356	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	610	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
357	}	611	}
358	break;	612	break;
359		613
360	case EIO_OPEN:	614	case EIO_OPEN:
361	{	615	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
362	/* convert fd to fh */
363	SV *fh = &PL_sv_undef;
364
365	if (req->result >= 0)
366	{
367	GV gv = (GV )sv_newmortal ();
368	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
369	char sym [64];
370	int symlen;
371
372	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
373	gv_init (gv, aio_stash, sym, symlen, 0);
374
375	symlen = snprintf (
376	sym,
377	sizeof (sym),
378	"%s&=%d",
379	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
380	(int)req->result
381	);
382
383	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
384	fh = (SV *)gv;
385	}
386
387	PUSHs (fh);
388	}
389	break;	616	break;
390		617
391	case EIO_STATVFS:	618	case EIO_STATVFS:
392	case EIO_FSTATVFS:	619	case EIO_FSTATVFS:
393	{	620	{
394	SV *rv = &PL_sv_undef;	621	SV *rv = &PL_sv_undef;
395		622
		623	#ifndef _WIN32
396	if (req->result >= 0)	624	if (req->result >= 0)
397	{	625	{
398	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	626	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399	HV *hv = newHV ();	627	HV *hv = newHV ();
		628	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		629	* chooses to make it a struct.
		630	*/
		631	unsigned long fsid = 0;
		632	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
400		633
401	rv = sv_2mortal (newRV_noinc (hv));	634	rv = sv_2mortal (newRV_noinc ((SV *)hv));
402		635
403	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	636	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	637	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);	638	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	639	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
407	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	640	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
408	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	641	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
409	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	642	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
410	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	643	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	644	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
412	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	645	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	646	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414	}	647	}
		648	#endif
415		649
416	PUSHs (rv);	650	PUSHs (rv);
417	}	651	}
418		652
419	break;	653	break;
…		…
435	case EIO_NOP:	669	case EIO_NOP:
436	case EIO_BUSY:	670	case EIO_BUSY:
437	break;	671	break;
438		672
439	case EIO_READLINK:	673	case EIO_READLINK:
		674	case EIO_REALPATH:
440	if (req->result > 0)	675	if (req->result > 0)
441	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	676	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442	break;	677	break;
443		678
444	case EIO_STAT:	679	case EIO_STAT:
445	case EIO_LSTAT:	680	case EIO_LSTAT:
446	case EIO_FSTAT:	681	case EIO_FSTAT:
447	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	682	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		683
448	PL_laststatval = req->result;	684	if (!(PL_laststatval = req->result))
		685	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
449	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	686	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
450	PUSHs (sv_2mortal (newSViv (req->result)));	687
		688	PUSHs (sv_result);
		689	break;
		690
		691	case EIO_SEEK:
		692	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
451	break;	693	break;
452		694
453	case EIO_READ:	695	case EIO_READ:
454	{	696	{
455	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	697	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456	*SvEND (req->sv2) = 0;	698	*SvEND (req->sv2) = 0;
457	SvPOK_only (req->sv2);	699	SvPOK_only (req->sv2);
458	SvSETMAGIC (req->sv2);	700	SvSETMAGIC (req->sv2);
459	PUSHs (sv_2mortal (newSViv (req->result)));	701	PUSHs (sv_result);
460	}	702	}
461	break;	703	break;
462		704
463	case EIO_DUP2:	705	case EIO_SLURP:
		706	{
		707	if (req->result >= 0)
		708	{
		709	/* if length was originally not known, we steal the malloc'ed memory */
		710	if (req->flags & EIO_FLAG_PTR2_FREE)
		711	{
		712	req->flags &= ~EIO_FLAG_PTR2_FREE;
		713	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		714	}
		715	else
		716	{
		717	SvCUR_set (req->sv2, req->result);
		718	*SvEND (req->sv2) = 0;
		719	SvPOK_only (req->sv2);
		720	}
		721
		722	SvSETMAGIC (req->sv2);
		723	}
		724
		725	PUSHs (sv_result);
		726	}
		727	break;
		728
		729	case EIO_CUSTOM:
		730	if (req->feed == fiemap)
		731	{
		732	#if HAVE_FIEMAP
		733	if (!req->result)
		734	{
		735	struct fiemap fiemap = (struct fiemap )req->ptr1;
		736
		737	if (fiemap->fm_extent_count)
		738	{
		739	AV *av = newAV ();
		740	int i;
		741
		742	while (fiemap->fm_mapped_extents)
		743	{
		744	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		745	AV *ext_av = newAV ();
		746
		747	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		748	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		749	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		750	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		751
		752	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		753	}
		754
		755	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		756	}
		757	else
		758	{
		759	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		760	PUSHs (sv_result);
		761	}
		762	}
		763	#endif
		764	}
		765	else
		766	PUSHs (sv_result);
		767	break;
		768
		769	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464	if (req->result > 0)	770	if (req->result > 0)
465	req->result = 0;	771	SvIV_set (sv_result, 0);
466	/* FALLTHROUGH */	772	/* FALLTHROUGH */
467		773
468	default:	774	default:
469	PUSHs (sv_2mortal (newSViv (req->result)));	775	PUSHs (sv_result);
470	break;	776	break;
471	}	777	}
472		778
473	errno = req->errorno;	779	errno = req->errorno;
474		780
475	PUTBACK;	781	PUTBACK;
476	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	782	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
477	SPAGAIN;	783	SPAGAIN;
478		784
		785	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		786	SvREFCNT_dec (sv_result);
		787	else
		788	sv_result_cache = sv_result;
		789
479	FREETMPS;	790	FREETMPS;
480	LEAVE;	791	LEAVE;
481		792
482	PUTBACK;	793	PUTBACK;
483	}	794	}
484		795
485	return !!SvTRUE (ERRSV);	796	return !!SvTRUE (ERRSV);
486	}	797	}
487		798
		799	static void
488	static void req_destroy (aio_req req)	800	req_destroy (aio_req req)
489	{	801	{
490	if (req->self)	802	if (req->self)
491	{	803	{
492	sv_unmagic (req->self, PERL_MAGIC_ext);	804	sv_unmagic (req->self, PERL_MAGIC_ext);
493	SvREFCNT_dec (req->self);	805	SvREFCNT_dec (req->self);
494	}	806	}
495		807
496	SvREFCNT_dec (req->sv1);	808	SvREFCNT_dec (req->sv1);
497	SvREFCNT_dec (req->sv2);	809	SvREFCNT_dec (req->sv2);
		810	SvREFCNT_dec (req->sv3);
		811	SvREFCNT_dec (req->sv4);
498	SvREFCNT_dec (req->callback);	812	SvREFCNT_dec (req->callback);
499		813
500	Safefree (req);	814	free (req);
501	}	815	}
502		816
		817	static void
503	static void req_cancel_subs (aio_req grp)	818	req_cancel_subs (aio_req grp)
504	{	819	{
505	aio_req sub;
506
507	if (grp->type != EIO_GROUP)	820	if (grp->type != EIO_GROUP)
508	return;	821	return;
509		822
510	SvREFCNT_dec (grp->sv2);	823	SvREFCNT_dec (grp->sv2);
511	grp->sv2 = 0;	824	grp->sv2 = 0;
512		825
513	eio_grp_cancel (grp);	826	eio_grp_cancel (grp);
514	}	827	}
515		828
516	static void	829	static void ecb_cold
517	create_respipe (void)	830	create_respipe (void)
518	{	831	{
519	if (s_epipe_renew (&respipe))	832	if (s_epipe_renew (&respipe))
520	croak ("IO::AIO: unable to initialize result pipe");	833	croak ("IO::AIO: unable to initialize result pipe");
521	}	834	}
522		835
523	static void poll_wait (void)	836	static void
		837	poll_wait (void)
524	{	838	{
525	while (eio_nreqs ())	839	while (eio_nreqs ())
526	{	840	{
527	int size;	841	int size;
528		842
529	X_LOCK (reslock);	843	X_LOCK (EIO_POOL->reslock);
530	size = res_queue.size;	844	size = EIO_POOL->res_queue.size;
531	X_UNLOCK (reslock);	845	X_UNLOCK (EIO_POOL->reslock);
532		846
533	if (size)	847	if (size)
534	return;	848	return;
535		849
536	etp_maybe_start_thread ();	850	etp_maybe_start_thread (EIO_POOL);
537		851
538	s_epipe_wait (&respipe);	852	s_epipe_wait (&respipe);
539	}	853	}
540	}	854	}
541		855
542	static int poll_cb (void)	856	static int
		857	poll_cb (void)
543	{	858	{
544	for (;;)	859	for (;;)
545	{	860	{
546	int res = eio_poll ();	861	int res = eio_poll ();
547		862
…		…
553		868
554	poll_wait ();	869	poll_wait ();
555	}	870	}
556	}	871	}
557		872
558	static void atfork_child (void)	873	static void ecb_cold
		874	reinit (void)
559	{	875	{
560	create_respipe ();	876	create_respipe ();
		877
		878	if (eio_init (want_poll, done_poll) < 0)
		879	croak ("IO::AIO: unable to initialise eio library");
561	}	880	}
		881
		882	/*****************************************************************************/
562		883
563	static SV *	884	static SV *
564	get_cb (SV *cb_sv)	885	get_cb (SV *cb_sv)
565	{	886	{
566	SvGETMAGIC (cb_sv);	887	SvGETMAGIC (cb_sv);
567	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	888	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568	}	889	}
569		890
		891	static aio_req ecb_noinline
		892	dreq (SV *callback)
		893	{
		894	SV *cb_cv;
		895	aio_req req;
		896	int req_pri = next_pri;
		897	next_pri = EIO_PRI_DEFAULT;
		898
		899	cb_cv = get_cb (callback);
		900
		901	req = calloc (sizeof (*req), 1);
		902	if (!req)
		903	croak ("out of memory during eio_req allocation");
		904
		905	req->callback = SvREFCNT_inc (cb_cv);
		906	req->pri = req_pri;
		907
		908	return req;
		909	}
		910
570	#define dREQ \	911	#define dREQ \
571	SV *cb_cv; \	912	aio_req req = dreq (callback); \
572	aio_req req; \
573	int req_pri = next_pri; \
574	next_pri = EIO_PRI_DEFAULT; \
575	\
576	cb_cv = get_cb (callback); \
577	\
578	Newz (0, req, 1, eio_req); \
579	if (!req) \
580	croak ("out of memory during eio_req allocation"); \
581	\
582	req->callback = SvREFCNT_inc (cb_cv); \
583	req->pri = req_pri
584		913
585	#define REQ_SEND \	914	#define REQ_SEND \
586	PUTBACK; \	915	PUTBACK; \
587	req_submit (req); \	916	req_submit (req); \
588	SPAGAIN; \	917	SPAGAIN; \
589	\	918	\
590	if (GIMME_V != G_VOID) \	919	if (GIMME_V != G_VOID) \
591	XPUSHs (req_sv (req, aio_req_stash));	920	XPUSHs (req_sv (req, aio_req_stash));
592		921
		922	ecb_inline void
		923	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
		924	{
		925	if (expect_false (SvROK (path)))
		926	{
		927	SV *rv = SvRV (path);
		928	SV *wdob;
		929
		930	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		931	{
		932	path = AvARRAY (rv)[1];
		933	wdob = AvARRAY (rv)[0];
		934
		935	if (SvOK (wdob))
		936	{
		937	*wd = SvAIO_WD (wdob);
		938	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		939	}
		940	else
		941	*wd = EIO_INVALID_WD;
		942	}
		943	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		944	{
		945	*wd = (aio_wd)(long)SvIVX (rv);
		946	*wdsv = SvREFCNT_inc_NN (rv);
		947	*ptr = ".";
		948	return; /* path set to "." */
		949	}
		950	else
		951	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		952	}
		953
		954	*pathsv = newSVsv (path);
		955	ptr = SvPVbyte_nolen (pathsv);
		956	}
		957
		958	static void ecb_noinline
		959	req_set_path1 (aio_req req, SV *path)
		960	{
		961	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		962	}
		963
		964	static void ecb_noinline
		965	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		966	{
		967	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		968
		969	switch (SvTYPE (rv))
		970	{
		971	case SVt_PVIO:
		972	case SVt_PVLV:
		973	case SVt_PVGV:
		974	req->type = type_fh;
		975	req->sv1 = newSVsv (fh_or_path);
		976	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		977	break;
		978
		979	default:
		980	req->type = type_path;
		981	req_set_path1 (req, fh_or_path);
		982	break;
		983	}
		984	}
		985
		986	/*****************************************************************************/
		987
		988	static void
		989	ts_set (struct timespec *ts, NV value)
		990	{
		991	ts->tv_sec = value;
		992	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		993	}
		994
		995	static NV
		996	ts_get (const struct timespec *ts)
		997	{
		998	return ts->tv_sec + ts->tv_nsec * 1e-9;
		999	}
		1000
		1001	/*****************************************************************************/
		1002
		1003	XS(boot_IO__AIO) ecb_cold;
		1004
593	MODULE = IO::AIO PACKAGE = IO::AIO	1005	MODULE = IO::AIO PACKAGE = IO::AIO
594		1006
595	PROTOTYPES: ENABLE	1007	PROTOTYPES: ENABLE
596		1008
597	BOOT:	1009	BOOT:
598	{	1010	{
599	static const struct {	1011	static const struct {
600	const char *name;	1012	const char *name;
601	IV iv;	1013	IV iv;
602	} *civ, const_iv[] = {	1014	} *civ, const_iv[] = {
603	# define const_iv(name, value) { # name, (IV) value },	1015	# define const_niv(name, value) { # name, (IV) value },
		1016	# define const_iv(name) { # name, (IV) name },
604	# define const_eio(name) { # name, (IV) EIO_ ## name },	1017	# define const_eio(name) { # name, (IV) EIO_ ## name },
605	const_iv (EXDEV , EXDEV)	1018
		1019	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1020	/* the first block can be undef if missing */
606	const_iv (ENOSYS , ENOSYS)	1021	const_iv (ENOSYS)
607	const_iv (O_RDONLY, O_RDONLY)	1022	const_iv (EXDEV)
608	const_iv (O_WRONLY, O_WRONLY)	1023	const_iv (EBADR)
609	const_iv (O_CREAT , O_CREAT)	1024
610	const_iv (O_TRUNC , O_TRUNC)	1025	/* for lseek */
611	#ifndef _WIN32	1026	const_iv (SEEK_DATA)
612	const_iv (S_IFIFO , S_IFIFO)	1027	const_iv (SEEK_HOLE)
613	#endif	1028
614	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	1029	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	1030	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	1031	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	1032	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	1033	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	1034	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620		1035
621	const_iv (ST_RDONLY , ST_RDONLY)	1036	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622	const_iv (ST_NOSUID , ST_NOSUID)	1037	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623	const_iv (ST_NODEV , ST_NODEV)	1038	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624	const_iv (ST_NOEXEC , ST_NOEXEC)	1039	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1040	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1041
		1042	/* the second block will be 0 when missing */
		1043	const_iv (O_RDONLY)
		1044	const_iv (O_WRONLY)
		1045	const_iv (O_RDWR)
		1046	const_iv (O_CREAT)
		1047	const_iv (O_TRUNC)
		1048	const_iv (O_EXCL)
		1049	const_iv (O_APPEND)
		1050
		1051	const_iv (O_ASYNC)
		1052	const_iv (O_DIRECT)
		1053	const_iv (O_NOATIME)
		1054
		1055	const_iv (O_CLOEXEC)
		1056	const_iv (O_NOCTTY)
		1057	const_iv (O_NOFOLLOW)
		1058	const_iv (O_NONBLOCK)
		1059	const_iv (O_EXEC)
		1060	const_iv (O_SEARCH)
		1061	const_iv (O_DIRECTORY)
		1062	const_iv (O_DSYNC)
		1063	const_iv (O_RSYNC)
		1064	const_iv (O_SYNC)
		1065	const_iv (O_PATH)
		1066	const_iv (O_TMPFILE)
		1067	const_iv (O_TTY_INIT)
		1068
		1069	const_iv (S_IFIFO)
		1070	const_iv (S_IFCHR)
		1071	const_iv (S_IFBLK)
		1072	const_iv (S_IFLNK)
		1073	const_iv (S_IFREG)
		1074	const_iv (S_IFDIR)
		1075	const_iv (S_IFWHT)
		1076	const_iv (S_IFSOCK)
		1077	const_iv (S_IFMT)
		1078
		1079	const_iv (ST_RDONLY)
		1080	const_iv (ST_NOSUID)
		1081	const_iv (ST_NODEV)
		1082	const_iv (ST_NOEXEC)
625	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)	1083	const_iv (ST_SYNCHRONOUS)
626	const_iv (ST_MANDLOCK , ST_MANDLOCK)	1084	const_iv (ST_MANDLOCK)
627	const_iv (ST_WRITE , ST_WRITE)	1085	const_iv (ST_WRITE)
628	const_iv (ST_APPEND , ST_APPEND)	1086	const_iv (ST_APPEND)
629	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)	1087	const_iv (ST_IMMUTABLE)
630	const_iv (ST_NOATIME , ST_NOATIME)	1088	const_iv (ST_NOATIME)
631	const_iv (ST_NODIRATIME , ST_NODIRATIME)	1089	const_iv (ST_NODIRATIME)
632	const_iv (ST_RELATIME , ST_RELATIME)	1090	const_iv (ST_RELATIME)
		1091
		1092	const_iv (PROT_NONE)
		1093	const_iv (PROT_EXEC)
		1094	const_iv (PROT_READ)
		1095	const_iv (PROT_WRITE)
		1096
		1097	const_iv (MAP_PRIVATE)
		1098	const_iv (MAP_SHARED)
		1099	const_iv (MAP_FIXED)
		1100	const_iv (MAP_ANONYMOUS)
		1101
		1102	/* linuxish */
		1103	const_iv (MAP_LOCKED)
		1104	const_iv (MAP_NORESERVE)
		1105	const_iv (MAP_POPULATE)
		1106	const_iv (MAP_NONBLOCK)
		1107	const_iv (MAP_GROWSDOWN)
		1108	const_iv (MAP_32BIT)
		1109	const_iv (MAP_HUGETLB)
		1110	const_iv (MAP_STACK)
		1111
		1112	const_iv (MREMAP_MAYMOVE)
		1113	const_iv (MREMAP_FIXED)
		1114
		1115	const_iv (F_DUPFD_CLOEXEC)
		1116
		1117	const_iv (F_OFD_GETLK)
		1118	const_iv (F_OFD_SETLK)
		1119	const_iv (F_OFD_GETLKW)
		1120
		1121	const_iv (FIFREEZE)
		1122	const_iv (FITHAW)
		1123	const_iv (FITRIM)
		1124	const_iv (FICLONE)
		1125	const_iv (FICLONERANGE)
		1126	const_iv (FIDEDUPERANGE)
		1127
		1128	const_iv (FS_IOC_GETFLAGS)
		1129	const_iv (FS_IOC_SETFLAGS)
		1130	const_iv (FS_IOC_GETVERSION)
		1131	const_iv (FS_IOC_SETVERSION)
		1132	const_iv (FS_IOC_FIEMAP)
		1133	const_iv (FS_IOC_FSGETXATTR)
		1134	const_iv (FS_IOC_FSSETXATTR)
		1135	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1136	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1137	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1138
		1139	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1140
		1141	const_iv (FS_SECRM_FL)
		1142	const_iv (FS_UNRM_FL)
		1143	const_iv (FS_COMPR_FL)
		1144	const_iv (FS_SYNC_FL)
		1145	const_iv (FS_IMMUTABLE_FL)
		1146	const_iv (FS_APPEND_FL)
		1147	const_iv (FS_NODUMP_FL)
		1148	const_iv (FS_NOATIME_FL)
		1149	const_iv (FS_DIRTY_FL)
		1150	const_iv (FS_COMPRBLK_FL)
		1151	const_iv (FS_NOCOMP_FL)
		1152	const_iv (FS_ENCRYPT_FL)
		1153	const_iv (FS_BTREE_FL)
		1154	const_iv (FS_INDEX_FL)
		1155	const_iv (FS_JOURNAL_DATA_FL)
		1156	const_iv (FS_NOTAIL_FL)
		1157	const_iv (FS_DIRSYNC_FL)
		1158	const_iv (FS_TOPDIR_FL)
		1159	const_iv (FS_FL_USER_MODIFIABLE)
		1160
		1161	const_iv (FS_XFLAG_REALTIME)
		1162	const_iv (FS_XFLAG_PREALLOC)
		1163	const_iv (FS_XFLAG_IMMUTABLE)
		1164	const_iv (FS_XFLAG_APPEND)
		1165	const_iv (FS_XFLAG_SYNC)
		1166	const_iv (FS_XFLAG_NOATIME)
		1167	const_iv (FS_XFLAG_NODUMP)
		1168	const_iv (FS_XFLAG_RTINHERIT)
		1169	const_iv (FS_XFLAG_PROJINHERIT)
		1170	const_iv (FS_XFLAG_NOSYMLINKS)
		1171	const_iv (FS_XFLAG_EXTSIZE)
		1172	const_iv (FS_XFLAG_EXTSZINHERIT)
		1173	const_iv (FS_XFLAG_NODEFRAG)
		1174	const_iv (FS_XFLAG_FILESTREAM)
		1175	const_iv (FS_XFLAG_DAX)
		1176	const_iv (FS_XFLAG_HASATTR)
		1177
		1178	const_iv (FIEMAP_FLAG_SYNC)
		1179	const_iv (FIEMAP_FLAG_XATTR)
		1180	const_iv (FIEMAP_FLAGS_COMPAT)
		1181	const_iv (FIEMAP_EXTENT_LAST)
		1182	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1183	const_iv (FIEMAP_EXTENT_DELALLOC)
		1184	const_iv (FIEMAP_EXTENT_ENCODED)
		1185	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1186	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1187	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1188	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1189	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1190	const_iv (FIEMAP_EXTENT_MERGED)
		1191	const_iv (FIEMAP_EXTENT_SHARED)
		1192
		1193	const_iv (SPLICE_F_MOVE)
		1194	const_iv (SPLICE_F_NONBLOCK)
		1195	const_iv (SPLICE_F_MORE)
		1196	const_iv (SPLICE_F_GIFT)
		1197
		1198	const_iv (EFD_CLOEXEC)
		1199	const_iv (EFD_NONBLOCK)
		1200	const_iv (EFD_SEMAPHORE)
		1201
		1202	const_iv (CLOCK_REALTIME)
		1203	const_iv (CLOCK_MONOTONIC)
		1204	const_iv (CLOCK_BOOTTIME)
		1205	const_iv (CLOCK_REALTIME_ALARM)
		1206	const_iv (CLOCK_BOOTTIME_ALARM)
		1207
		1208	const_iv (TFD_NONBLOCK)
		1209	const_iv (TFD_CLOEXEC)
		1210
		1211	const_iv (TFD_TIMER_ABSTIME)
		1212	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1213
		1214	/* these are libeio constants, and are independent of gendef0 */
		1215	const_eio (SEEK_SET)
		1216	const_eio (SEEK_CUR)
		1217	const_eio (SEEK_END)
		1218
		1219	const_eio (MCL_FUTURE)
		1220	const_eio (MCL_CURRENT)
633		1221
634	const_eio (MS_ASYNC)	1222	const_eio (MS_ASYNC)
635	const_eio (MS_INVALIDATE)	1223	const_eio (MS_INVALIDATE)
636	const_eio (MS_SYNC)	1224	const_eio (MS_SYNC)
637		1225
638	const_eio (MT_MODIFY)	1226	const_eio (MT_MODIFY)
639		1227
640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1228	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641	const_eio (SYNC_FILE_RANGE_WRITE)	1229	const_eio (SYNC_FILE_RANGE_WRITE)
642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1230	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1231
		1232	const_eio (FALLOC_FL_KEEP_SIZE)
		1233	const_eio (FALLOC_FL_PUNCH_HOLE)
		1234	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1235	const_eio (FALLOC_FL_ZERO_RANGE)
		1236	const_eio (FALLOC_FL_INSERT_RANGE)
		1237	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1238
		1239	const_eio (RENAME_NOREPLACE)
		1240	const_eio (RENAME_EXCHANGE)
		1241	const_eio (RENAME_WHITEOUT)
643		1242
644	const_eio (READDIR_DENTS)	1243	const_eio (READDIR_DENTS)
645	const_eio (READDIR_DIRS_FIRST)	1244	const_eio (READDIR_DIRS_FIRST)
646	const_eio (READDIR_STAT_ORDER)	1245	const_eio (READDIR_STAT_ORDER)
647	const_eio (READDIR_FOUND_UNKNOWN)	1246	const_eio (READDIR_FOUND_UNKNOWN)
…		…
658	};	1257	};
659		1258
660	aio_stash = gv_stashpv ("IO::AIO" , 1);	1259	aio_stash = gv_stashpv ("IO::AIO" , 1);
661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1260	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1261	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1262	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
663		1263
664	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1264	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1265	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666		1266
667	create_respipe ();	1267	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668		1268
669	if (eio_init (want_poll, done_poll) < 0)	1269	reinit ();
670	croak ("IO::AIO: unable to initialise eio library");
671
672	/* atfork child called in fifo order, so before eio's handler */
673	X_THREAD_ATFORK (0, 0, atfork_child);
674	}	1270	}
675		1271
676	void	1272	void
		1273	reinit ()
		1274	PROTOTYPE:
		1275
		1276	void
677	max_poll_reqs (int nreqs)	1277	max_poll_reqs (unsigned int nreqs)
678	PROTOTYPE: $	1278	PROTOTYPE: $
679	CODE:	1279	CODE:
680	eio_set_max_poll_reqs (nreqs);	1280	eio_set_max_poll_reqs (nreqs);
681		1281
682	void	1282	void
…		…
684	PROTOTYPE: $	1284	PROTOTYPE: $
685	CODE:	1285	CODE:
686	eio_set_max_poll_time (nseconds);	1286	eio_set_max_poll_time (nseconds);
687		1287
688	void	1288	void
689	min_parallel (int nthreads)	1289	min_parallel (unsigned int nthreads)
690	PROTOTYPE: $	1290	PROTOTYPE: $
691	CODE:	1291	CODE:
692	eio_set_min_parallel (nthreads);	1292	eio_set_min_parallel (nthreads);
693		1293
694	void	1294	void
695	max_parallel (int nthreads)	1295	max_parallel (unsigned int nthreads)
696	PROTOTYPE: $	1296	PROTOTYPE: $
697	CODE:	1297	CODE:
698	eio_set_max_parallel (nthreads);	1298	eio_set_max_parallel (nthreads);
699		1299
700	void	1300	void
701	max_idle (int nthreads)	1301	max_idle (unsigned int nthreads)
702	PROTOTYPE: $	1302	PROTOTYPE: $
703	CODE:	1303	CODE:
704	eio_set_max_idle (nthreads);	1304	eio_set_max_idle (nthreads);
705		1305
706	void	1306	void
		1307	idle_timeout (unsigned int seconds)
		1308	PROTOTYPE: $
		1309	CODE:
		1310	eio_set_idle_timeout (seconds);
		1311
		1312	void
707	max_outstanding (int maxreqs)	1313	max_outstanding (unsigned int maxreqs)
708	PROTOTYPE: $	1314	PROTOTYPE: $
709	CODE:	1315	CODE:
710	max_outstanding = maxreqs;	1316	max_outstanding = maxreqs;
711		1317
712	void	1318	void
713	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1319	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
714	PROTOTYPE: $$$;$
715	PPCODE:	1320	PPCODE:
716	{	1321	{
717	dREQ;	1322	dREQ;
718		1323
		1324	req->type = EIO_WD_OPEN;
		1325	req_set_path1 (req, pathname);
		1326
		1327	REQ_SEND;
		1328	}
		1329
		1330	void
		1331	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
		1332	PPCODE:
		1333	{
		1334	dREQ;
		1335
719	req->type = EIO_OPEN;	1336	req->type = EIO_OPEN;
720	req->sv1 = newSVsv (pathname);	1337	req_set_path1 (req, pathname);
721	req->ptr1 = SvPVbyte_nolen (req->sv1);
722	req->int1 = flags;	1338	req->int1 = flags;
723	req->int2 = mode;	1339	req->int2 = mode;
724		1340
725	REQ_SEND;	1341	REQ_SEND;
726	}	1342	}
727		1343
728	void	1344	void
729	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1345	aio_fsync (SV fh, SV callback = &PL_sv_undef)
730	PROTOTYPE: $;$
731	ALIAS:	1346	ALIAS:
732	aio_fsync = EIO_FSYNC	1347	aio_fsync = EIO_FSYNC
733	aio_fdatasync = EIO_FDATASYNC	1348	aio_fdatasync = EIO_FDATASYNC
		1349	aio_syncfs = EIO_SYNCFS
734	PPCODE:	1350	PPCODE:
735	{	1351	{
736	int fd = s_fileno_croak (fh, 0);	1352	int fd = s_fileno_croak (fh, 0);
737	dREQ;	1353	dREQ;
738		1354
739	req->type = ix;	1355	req->type = ix;
740	req->sv1 = newSVsv (fh);	1356	req->sv1 = newSVsv (fh);
741	req->int1 = fd;	1357	req->int1 = fd;
742		1358
743	REQ_SEND (req);	1359	REQ_SEND;
744	}	1360	}
745		1361
746	void	1362	void
747	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1363	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
748	PROTOTYPE: $$$$;$
749	PPCODE:	1364	PPCODE:
750	{	1365	{
751	int fd = s_fileno_croak (fh, 0);	1366	int fd = s_fileno_croak (fh, 0);
752	dREQ;	1367	dREQ;
753		1368
754	req->type = EIO_SYNC_FILE_RANGE;	1369	req->type = EIO_SYNC_FILE_RANGE;
755	req->sv1 = newSVsv (fh);	1370	req->sv1 = newSVsv (fh);
756	req->int1 = fd;	1371	req->int1 = fd;
757	req->offs = offset;	1372	req->offs = offset;
758	req->size = nbytes;	1373	req->size = nbytes;
759	req->int2 = flags;	1374	req->int2 = flags;
760		1375
761	REQ_SEND (req);	1376	REQ_SEND;
762	}	1377	}
763		1378
764	void	1379	void
765	aio_close (SV fh, SV callback=&PL_sv_undef)	1380	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
766	PROTOTYPE: $;$
767	PPCODE:	1381	PPCODE:
768	{	1382	{
769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770	int fd = s_fileno_croak (fh, 0);	1383	int fd = s_fileno_croak (fh, 0);
771	dREQ;	1384	dREQ;
772		1385
773	if (close_pipe < 0)	1386	req->type = EIO_FALLOCATE;
		1387	req->sv1 = newSVsv (fh);
		1388	req->int1 = fd;
		1389	req->int2 = mode;
		1390	req->offs = offset;
		1391	req->size = len;
		1392
		1393	REQ_SEND;
		1394	}
		1395
		1396	void
		1397	aio_close (SV fh, SV callback = &PL_sv_undef)
		1398	PPCODE:
		1399	{
		1400	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1401	int fd = s_fileno_croak (fh, 0);
		1402	dREQ;
		1403
		1404	if (expect_false (close_fd < 0))
774	{	1405	{
775	int pipefd [2];	1406	int pipefd [2];
776		1407
		1408	if (
		1409	#ifdef _WIN32
		1410	_pipe (pipefd, 1, _O_BINARY) < 0
		1411	#else
777	if (pipe (pipefd) < 0	1412	pipe (pipefd) < 0
778	\|\| close (pipefd [1]) < 0
779	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1413	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1414	#endif
		1415	\|\| close (pipefd [1]) < 0
		1416	)
780	abort (); /D/	1417	abort (); /D/
781		1418
782	close_pipe = pipefd [0];	1419	close_fd = pipefd [0];
783	}	1420	}
784		1421
785	req->type = EIO_DUP2;	1422	req->type = EIO_DUP2;
786	req->int1 = close_pipe;	1423	req->int1 = close_fd;
787	req->sv2 = newSVsv (fh);	1424	req->sv2 = newSVsv (fh);
788	req->int2 = fd;	1425	req->int2 = fd;
789		1426
790	REQ_SEND (req);	1427	REQ_SEND;
791	}	1428	}
792		1429
793	void	1430	void
		1431	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
		1432	PPCODE:
		1433	{
		1434	int fd = s_fileno_croak (fh, 0);
		1435	dREQ;
		1436
		1437	req->type = EIO_SEEK;
		1438	req->sv1 = newSVsv (fh);
		1439	req->int1 = fd;
		1440	req->offs = SvVAL64 (offset);
		1441	req->int2 = whence;
		1442
		1443	REQ_SEND;
		1444	}
		1445
		1446	void
794	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1447	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
795	ALIAS:	1448	ALIAS:
796	aio_read = EIO_READ	1449	aio_read = EIO_READ
797	aio_write = EIO_WRITE	1450	aio_write = EIO_WRITE
798	PROTOTYPE: $$$$$;$
799	PPCODE:	1451	PPCODE:
800	{	1452	{
801	STRLEN svlen;	1453	STRLEN svlen;
802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1454	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803	char *svptr = SvPVbyte (data, svlen);	1455	char *svptr = SvPVbyte (data, svlen);
…		…
816	len = svlen - dataoffset;	1468	len = svlen - dataoffset;
817	}	1469	}
818	else	1470	else
819	{	1471	{
820	/* read: check type and grow scalar as necessary */	1472	/* read: check type and grow scalar as necessary */
821	SvUPGRADE (data, SVt_PV);	1473	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
822	svptr = SvGROW (data, len + dataoffset + 1);	1474	svptr = sv_grow (data, len + dataoffset + 1);
		1475	else if (SvCUR (data) < len + dataoffset)
		1476	croak ("length + dataoffset outside of scalar, and cannot grow");
823	}	1477	}
824		1478
825	{	1479	{
826	dREQ;	1480	dREQ;
827		1481
…		…
843	REQ_SEND;	1497	REQ_SEND;
844	}	1498	}
845	}	1499	}
846		1500
847	void	1501	void
848	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1502	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
849	PROTOTYPE: $$;$	1503	ALIAS:
		1504	aio_ioctl = EIO_IOCTL
		1505	aio_fcntl = EIO_FCNTL
850	PPCODE:	1506	PPCODE:
851	{	1507	{
852	SV *data;	1508	int fd = s_fileno_croak (fh, 0);
		1509	char *svptr;
		1510
		1511	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1512	{
		1513	STRLEN svlen;
		1514	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1515	#ifdef IOCPARM_LEN
		1516	STRLEN need = IOCPARM_LEN (request);
		1517	#else
		1518	STRLEN need = 256;
		1519	#endif
		1520
		1521	if (svlen < need)
		1522	svptr = SvGROW (arg, need);
		1523	}
		1524	else
		1525	svptr = (char *)SvIV (arg);
		1526
		1527	{
		1528	dREQ;
		1529
		1530	req->type = ix;
		1531	req->sv1 = newSVsv (fh);
		1532	req->int1 = fd;
		1533	req->int2 = (long)request;
		1534	req->sv2 = SvREFCNT_inc (arg);
		1535	req->ptr2 = svptr;
		1536
		1537	REQ_SEND;
		1538	}
		1539	}
		1540
		1541	void
		1542	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
		1543	ALIAS:
		1544	aio_readlink = EIO_READLINK
		1545	aio_realpath = EIO_REALPATH
		1546	PPCODE:
		1547	{
853	dREQ;	1548	dREQ;
854		1549
855	req->type = EIO_READLINK;	1550	req->type = ix;
856	req->sv1 = newSVsv (path);	1551	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858		1552
859	REQ_SEND;	1553	REQ_SEND;
860	}	1554	}
861		1555
862	void	1556	void
863	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1557	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
864	PROTOTYPE: $$$$;$
865	PPCODE:	1558	PPCODE:
866	{	1559	{
867	int ifd = s_fileno_croak (in_fh , 0);	1560	int ifd = s_fileno_croak (in_fh , 0);
868	int ofd = s_fileno_croak (out_fh, 1);	1561	int ofd = s_fileno_croak (out_fh, 1);
869	dREQ;	1562	dREQ;
870		1563
871	req->type = EIO_SENDFILE;	1564	req->type = EIO_SENDFILE;
872	req->sv1 = newSVsv (out_fh);	1565	req->sv1 = newSVsv (out_fh);
873	req->int1 = ofd;	1566	req->int1 = ofd;
…		…
878		1571
879	REQ_SEND;	1572	REQ_SEND;
880	}	1573	}
881		1574
882	void	1575	void
883	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1576	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
884	PROTOTYPE: $$$;$
885	PPCODE:	1577	PPCODE:
886	{	1578	{
887	int fd = s_fileno_croak (fh, 0);	1579	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1580	dREQ;
889		1581
890	req->type = EIO_READAHEAD;	1582	req->type = EIO_READAHEAD;
891	req->sv1 = newSVsv (fh);	1583	req->sv1 = newSVsv (fh);
892	req->int1 = fd;	1584	req->int1 = fd;
…		…
895		1587
896	REQ_SEND;	1588	REQ_SEND;
897	}	1589	}
898		1590
899	void	1591	void
900	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1592	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
901	ALIAS:	1593	ALIAS:
902	aio_stat = EIO_STAT	1594	aio_stat = EIO_STAT
903	aio_lstat = EIO_LSTAT	1595	aio_lstat = EIO_LSTAT
904	aio_statvfs = EIO_STATVFS	1596	aio_statvfs = EIO_STATVFS
905	PPCODE:	1597	PPCODE:
906	{	1598	{
907	dREQ;	1599	dREQ;
908		1600
909	req->sv1 = newSVsv (fh_or_path);	1601	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
910
911	if (SvPOK (req->sv1))
912	{
913	req->type = ix;
914	req->ptr1 = SvPVbyte_nolen (req->sv1);
915	}
916	else
917	{
918	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
919	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
920	}
921		1602
922	REQ_SEND;	1603	REQ_SEND;
923	}	1604	}
924		1605
		1606	UV
		1607	major (UV dev)
		1608	ALIAS:
		1609	minor = 1
		1610	CODE:
		1611	RETVAL = ix ? minor (dev) : major (dev);
		1612	OUTPUT:
		1613	RETVAL
		1614
		1615	UV
		1616	makedev (UV maj, UV min)
		1617	CODE:
		1618	RETVAL = makedev (maj, min);
		1619	OUTPUT:
		1620	RETVAL
		1621
925	void	1622	void
926	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1623	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
927	PPCODE:	1624	PPCODE:
928	{	1625	{
929	dREQ;	1626	dREQ;
930		1627
931	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1628	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
932	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1629	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
933	req->sv1 = newSVsv (fh_or_path);	1630	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
934
935	if (SvPOK (req->sv1))
936	{
937	req->type = EIO_UTIME;
938	req->ptr1 = SvPVbyte_nolen (req->sv1);
939	}
940	else
941	{
942	req->type = EIO_FUTIME;
943	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
944	}
945		1631
946	REQ_SEND;	1632	REQ_SEND;
947	}	1633	}
948		1634
949	void	1635	void
950	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1636	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
951	PPCODE:	1637	PPCODE:
952	{	1638	{
953	dREQ;	1639	dREQ;
954		1640
955	req->sv1 = newSVsv (fh_or_path);
956	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1641	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
957		1642	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
958	if (SvPOK (req->sv1))
959	{
960	req->type = EIO_TRUNCATE;
961	req->ptr1 = SvPVbyte_nolen (req->sv1);
962	}
963	else
964	{
965	req->type = EIO_FTRUNCATE;
966	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
967	}
968		1643
969	REQ_SEND;	1644	REQ_SEND;
970	}	1645	}
971		1646
972	void	1647	void
973	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1648	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
974	ALIAS:
975	aio_chmod = EIO_CHMOD
976	aio_mkdir = EIO_MKDIR
977	PPCODE:	1649	PPCODE:
978	{	1650	{
979	dREQ;	1651	dREQ;
980		1652
981	req->int2 = mode;	1653	req->int2 = mode;
982	req->sv1 = newSVsv (fh_or_path);	1654	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
983
984	if (SvPOK (req->sv1))
985	{
986	req->type = ix;
987	req->ptr1 = SvPVbyte_nolen (req->sv1);
988	}
989	else
990	{
991	req->type = EIO_FCHMOD;
992	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
993	}
994		1655
995	REQ_SEND;	1656	REQ_SEND;
996	}	1657	}
997		1658
998	void	1659	void
999	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1660	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1000	PPCODE:	1661	PPCODE:
1001	{	1662	{
1002	dREQ;	1663	dREQ;
1003		1664
1004	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1665	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1005	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1666	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1006	req->sv1 = newSVsv (fh_or_path);	1667	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1007
1008	if (SvPOK (req->sv1))
1009	{
1010	req->type = EIO_CHOWN;
1011	req->ptr1 = SvPVbyte_nolen (req->sv1);
1012	}
1013	else
1014	{
1015	req->type = EIO_FCHOWN;
1016	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1017	}
1018		1668
1019	REQ_SEND;	1669	REQ_SEND;
1020	}	1670	}
1021		1671
1022	void	1672	void
1023	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1673	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1024	PPCODE:	1674	PPCODE:
1025	{	1675	{
1026	dREQ;	1676	dREQ;
1027		1677
1028	req->type = EIO_READDIR;	1678	req->type = EIO_READDIR;
1029	req->sv1 = newSVsv (pathname);
1030	req->ptr1 = SvPVbyte_nolen (req->sv1);
1031	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1679	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1032		1680
1033	if (flags & EIO_READDIR_DENTS)	1681	if (flags & EIO_READDIR_DENTS)
1034	req->int1 \|= EIO_READDIR_CUSTOM2;	1682	req->int1 \|= EIO_READDIR_CUSTOM2;
1035		1683
		1684	req_set_path1 (req, pathname);
		1685
1036	REQ_SEND;	1686	REQ_SEND;
1037	}	1687	}
1038		1688
1039	void	1689	void
		1690	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
		1691	PPCODE:
		1692	{
		1693	dREQ;
		1694
		1695	req->type = EIO_MKDIR;
		1696	req->int2 = mode;
		1697	req_set_path1 (req, pathname);
		1698
		1699	REQ_SEND;
		1700	}
		1701
		1702	void
1040	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1703	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1041	ALIAS:	1704	ALIAS:
1042	aio_unlink = EIO_UNLINK	1705	aio_unlink = EIO_UNLINK
1043	aio_rmdir = EIO_RMDIR	1706	aio_rmdir = EIO_RMDIR
1044	aio_readdir = EIO_READDIR	1707	aio_readdir = EIO_READDIR
1045	PPCODE:	1708	PPCODE:
1046	{	1709	{
1047	dREQ;	1710	dREQ;
1048		1711
1049	req->type = ix;	1712	req->type = ix;
1050	req->sv1 = newSVsv (pathname);	1713	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1714
1053	REQ_SEND;	1715	REQ_SEND;
1054	}	1716	}
1055		1717
1056	void	1718	void
1057	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1719	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1058	ALIAS:	1720	ALIAS:
1059	aio_link = EIO_LINK	1721	aio_link = EIO_LINK
1060	aio_symlink = EIO_SYMLINK	1722	aio_symlink = EIO_SYMLINK
1061	aio_rename = EIO_RENAME	1723	aio_rename = EIO_RENAME
1062	PPCODE:	1724	PPCODE:
1063	{	1725	{
		1726	eio_wd wd2 = 0;
1064	dREQ;	1727	dREQ;
1065		1728
1066	req->type = ix;	1729	req->type = ix;
1067	req->sv1 = newSVsv (oldpath);	1730	req_set_path1 (req, oldpath);
1068	req->ptr1 = SvPVbyte_nolen (req->sv1);	1731	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1069	req->sv2 = newSVsv (newpath);	1732	req->int3 = (long)wd2;
1070	req->ptr2 = SvPVbyte_nolen (req->sv2);
1071		1733
1072	REQ_SEND;	1734	REQ_SEND;
1073	}	1735	}
1074		1736
1075	void	1737	void
		1738	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1739	PPCODE:
		1740	{
		1741	eio_wd wd2 = 0;
		1742	dREQ;
		1743
		1744	req->type = EIO_RENAME;
		1745	req_set_path1 (req, oldpath);
		1746	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1747	req->int2 = flags;
		1748	req->int3 = (long)wd2;
		1749
		1750	REQ_SEND;
		1751	}
		1752
		1753	void
1076	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1754	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1077	PPCODE:	1755	PPCODE:
1078	{	1756	{
1079	dREQ;	1757	dREQ;
1080		1758
1081	req->type = EIO_MKNOD;	1759	req->type = EIO_MKNOD;
1082	req->sv1 = newSVsv (pathname);
1083	req->ptr1 = SvPVbyte_nolen (req->sv1);
1084	req->int2 = (mode_t)mode;	1760	req->int2 = (mode_t)mode;
1085	req->offs = dev;	1761	req->offs = dev;
		1762	req_set_path1 (req, pathname);
1086		1763
1087	REQ_SEND;	1764	REQ_SEND;
1088	}	1765	}
1089		1766
1090	void	1767	void
1091	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1768	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1092	ALIAS:	1769	ALIAS:
1093	aio_mtouch = EIO_MTOUCH	1770	aio_mtouch = EIO_MTOUCH
1094	aio_msync = EIO_MSYNC	1771	aio_msync = EIO_MSYNC
1095	PROTOTYPE: $$$$;$
1096	PPCODE:	1772	PPCODE:
1097	{	1773	{
1098	STRLEN svlen;	1774	STRLEN svlen;
		1775	char *svptr = SvPVbyte (data, svlen);
1099	UV len = SvUV (length);	1776	UV len = SvUV (length);
1100	char *svptr = SvPVbyte (data, svlen);	1777
		1778	if (flags < 0)
		1779	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1101		1780
1102	if (offset < 0)	1781	if (offset < 0)
1103	offset += svlen;	1782	offset += svlen;
1104		1783
1105	if (offset < 0 \|\| offset > svlen)	1784	if (offset < 0 \|\| offset > svlen)
…		…
1110		1789
1111	{	1790	{
1112	dREQ;	1791	dREQ;
1113		1792
1114	req->type = ix;	1793	req->type = ix;
1115	req->size = len;
1116	req->sv2 = SvREFCNT_inc (data);	1794	req->sv2 = SvREFCNT_inc (data);
1117	req->ptr2 = (char *)svptr + offset;	1795	req->ptr2 = (char *)svptr + offset;
		1796	req->size = len;
1118	req->int1 = flags;	1797	req->int1 = flags;
1119		1798
1120	REQ_SEND;	1799	REQ_SEND;
1121	}	1800	}
1122	}	1801	}
1123		1802
1124	void	1803	void
		1804	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1805	PPCODE:
		1806	{
		1807	STRLEN svlen;
		1808	char *svptr = SvPVbyte (data, svlen);
		1809	UV len = SvUV (length);
		1810
		1811	if (offset < 0)
		1812	offset += svlen;
		1813
		1814	if (offset < 0 \|\| offset > svlen)
		1815	croak ("offset outside of scalar");
		1816
		1817	if (!SvOK (length) \|\| len + offset > svlen)
		1818	len = svlen - offset;
		1819
		1820	{
		1821	dREQ;
		1822
		1823	req->type = EIO_MLOCK;
		1824	req->sv2 = SvREFCNT_inc (data);
		1825	req->ptr2 = (char *)svptr + offset;
		1826	req->size = len;
		1827
		1828	REQ_SEND;
		1829	}
		1830	}
		1831
		1832	void
		1833	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1834	PPCODE:
		1835	{
		1836	dREQ;
		1837
		1838	req->type = EIO_MLOCKALL;
		1839	req->int1 = flags;
		1840
		1841	REQ_SEND;
		1842	}
		1843
		1844	void
		1845	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
		1846	PPCODE:
		1847	{
		1848	int fd = s_fileno_croak (fh, 0);
		1849	dREQ;
		1850
		1851	req->type = EIO_CUSTOM;
		1852	req->sv1 = newSVsv (fh);
		1853	req->int1 = fd;
		1854
		1855	req->feed = fiemap;
		1856	#if HAVE_FIEMAP
		1857	/* keep our fingers crossed that the next two types are 64 bit */
		1858	req->offs = start;
		1859	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1860	req->int2 = flags;
		1861	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1862	#endif
		1863
		1864	REQ_SEND;
		1865	}
		1866
		1867	void
		1868	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1869	PPCODE:
		1870	{
		1871	char *svptr = 0;
		1872
		1873	sv_clear_foreign (data);
		1874
		1875	if (length) /* known length, directly read into scalar */
		1876	{
		1877	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1878	svptr = sv_grow (data, length + 1);
		1879	else if (SvCUR (data) < length)
		1880	croak ("length outside of scalar, and cannot grow");
		1881	else
		1882	svptr = SvPVbyte_nolen (data);
		1883	}
		1884
		1885	{
		1886	dREQ;
		1887
		1888	req->type = EIO_SLURP;
		1889	req_set_path1 (req, pathname);
		1890	req->offs = offset;
		1891	req->size = length;
		1892	req->sv2 = SvREFCNT_inc (data);
		1893	req->ptr2 = svptr;
		1894
		1895	if (!SvREADONLY (data))
		1896	{
		1897	SvREADONLY_on (data);
		1898	req->flags \|= FLAG_SV2_RO_OFF;
		1899	}
		1900
		1901	REQ_SEND;
		1902	}
		1903	}
		1904
		1905	void
1125	aio_busy (double delay, SV *callback=&PL_sv_undef)	1906	aio_busy (double delay, SV *callback = &PL_sv_undef)
1126	PPCODE:	1907	PPCODE:
1127	{	1908	{
1128	dREQ;	1909	dREQ;
1129		1910
1130	req->type = EIO_BUSY;	1911	req->type = EIO_BUSY;
…		…
1132		1913
1133	REQ_SEND;	1914	REQ_SEND;
1134	}	1915	}
1135		1916
1136	void	1917	void
1137	aio_group (SV *callback=&PL_sv_undef)	1918	aio_group (SV *callback = &PL_sv_undef)
1138	PROTOTYPE: ;$
1139	PPCODE:	1919	PPCODE:
1140	{	1920	{
1141	dREQ;	1921	dREQ;
1142		1922
1143	req->type = EIO_GROUP;	1923	req->type = EIO_GROUP;
1144		1924
		1925	PUTBACK;
1145	req_submit (req);	1926	req_submit (req);
		1927	SPAGAIN;
		1928
1146	XPUSHs (req_sv (req, aio_grp_stash));	1929	XPUSHs (req_sv (req, aio_grp_stash));
1147	}	1930	}
1148		1931
1149	void	1932	void
1150	aio_nop (SV *callback=&PL_sv_undef)	1933	aio_nop (SV *callback = &PL_sv_undef)
1151	ALIAS:	1934	ALIAS:
1152	aio_nop = EIO_NOP	1935	aio_nop = EIO_NOP
1153	aio_sync = EIO_SYNC	1936	aio_sync = EIO_SYNC
1154	PPCODE:	1937	PPCODE:
1155	{	1938	{
…		…
1159		1942
1160	REQ_SEND;	1943	REQ_SEND;
1161	}	1944	}
1162		1945
1163	int	1946	int
1164	aioreq_pri (int pri = 0)	1947	aioreq_pri (int pri = NO_INIT)
1165	PROTOTYPE: ;$
1166	CODE:	1948	CODE:
1167	RETVAL = next_pri;	1949	RETVAL = next_pri;
1168	if (items > 0)	1950	if (items > 0)
1169	{	1951	{
1170	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1952	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1182	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1964	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183	next_pri = nice;	1965	next_pri = nice;
1184		1966
1185	void	1967	void
1186	flush ()	1968	flush ()
1187	PROTOTYPE:
1188	CODE:	1969	CODE:
1189	while (eio_nreqs ())	1970	while (eio_nreqs ())
1190	{	1971	{
1191	poll_wait ();	1972	poll_wait ();
1192	poll_cb ();	1973	poll_cb ();
1193	}	1974	}
1194		1975
1195	int	1976	int
1196	poll()	1977	poll ()
1197	PROTOTYPE:
1198	CODE:	1978	CODE:
1199	poll_wait ();	1979	poll_wait ();
1200	RETVAL = poll_cb ();	1980	RETVAL = poll_cb ();
1201	OUTPUT:	1981	OUTPUT:
1202	RETVAL	1982	RETVAL
1203		1983
1204	int	1984	int
1205	poll_fileno()	1985	poll_fileno ()
1206	PROTOTYPE:
1207	CODE:	1986	CODE:
1208	RETVAL = s_epipe_fd (&respipe);	1987	RETVAL = s_epipe_fd (&respipe);
1209	OUTPUT:	1988	OUTPUT:
1210	RETVAL	1989	RETVAL
1211		1990
1212	int	1991	int
1213	poll_cb(...)	1992	poll_cb (...)
1214	PROTOTYPE:	1993	PROTOTYPE:
1215	CODE:	1994	CODE:
1216	RETVAL = poll_cb ();	1995	RETVAL = poll_cb ();
1217	OUTPUT:	1996	OUTPUT:
1218	RETVAL	1997	RETVAL
1219		1998
1220	void	1999	void
1221	poll_wait()	2000	poll_wait ()
1222	PROTOTYPE:
1223	CODE:	2001	CODE:
1224	poll_wait ();	2002	poll_wait ();
1225		2003
1226	int	2004	int
1227	nreqs()	2005	nreqs ()
1228	PROTOTYPE:
1229	CODE:	2006	CODE:
1230	RETVAL = eio_nreqs ();	2007	RETVAL = eio_nreqs ();
1231	OUTPUT:	2008	OUTPUT:
1232	RETVAL	2009	RETVAL
1233		2010
1234	int	2011	int
1235	nready()	2012	nready ()
1236	PROTOTYPE:
1237	CODE:	2013	CODE:
1238	RETVAL = eio_nready ();	2014	RETVAL = eio_nready ();
1239	OUTPUT:	2015	OUTPUT:
1240	RETVAL	2016	RETVAL
1241		2017
1242	int	2018	int
1243	npending()	2019	npending ()
1244	PROTOTYPE:
1245	CODE:	2020	CODE:
1246	RETVAL = eio_npending ();	2021	RETVAL = eio_npending ();
1247	OUTPUT:	2022	OUTPUT:
1248	RETVAL	2023	RETVAL
1249		2024
1250	int	2025	int
1251	nthreads()	2026	nthreads ()
1252	PROTOTYPE:
1253	CODE:	2027	CODE:
1254	RETVAL = eio_nthreads ();	2028	RETVAL = eio_nthreads ();
1255	OUTPUT:	2029	OUTPUT:
1256	RETVAL	2030	RETVAL
1257		2031
1258	int	2032	int
1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	2033	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260	PROTOTYPE: $$$$
1261	CODE:	2034	CODE:
1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263	RETVAL = posix_fadvise (fh, offset, length, advice);	2035	RETVAL = posix_fadvise (fh, offset, length, advice);
1264	#else
1265	RETVAL = errno = ENOSYS;
1266	#endif
1267	OUTPUT:	2036	OUTPUT:
1268	RETVAL	2037	RETVAL
1269		2038
1270	ssize_t	2039	IV
1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2040	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272	PROTOTYPE: $$$$
1273	CODE:	2041	CODE:
1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2042	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275	OUTPUT:	2043	OUTPUT:
1276	RETVAL	2044	RETVAL
1277		2045
		2046	void
		2047	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
		2048	PPCODE:
		2049	sv_clear_foreign (scalar);
		2050	{
		2051	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		2052	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		2053	if (addr == (void *)-1)
		2054	XSRETURN_NO;
		2055
		2056	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
		2057
		2058	if (!(prot & PROT_WRITE))
		2059	SvREADONLY_on (scalar);
		2060
		2061	XSRETURN_YES;
		2062	}
		2063
		2064	void
		2065	munmap (SV *scalar)
		2066	CODE:
		2067	sv_clear_foreign (scalar);
		2068
		2069	SV *
		2070	mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
		2071	CODE:
		2072	{
		2073	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2074	void *new;
		2075
		2076	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2077	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2078
		2079	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2080
		2081	RETVAL = &PL_sv_no;
		2082
		2083	if (new != (void *)-1)
		2084	{
		2085	RETVAL = new == (void *)mg->mg_ptr
		2086	? newSVpvn ("0 but true", 10)
		2087	: &PL_sv_yes;
		2088
		2089	mg->mg_ptr = (char *)new;
		2090	mg->mg_obj = (SV *)new_length;
		2091
		2092	SvPVX (scalar) = mg->mg_ptr;
		2093	SvCUR_set (scalar, new_length);
		2094	}
		2095	}
		2096	OUTPUT:
		2097	RETVAL
		2098
		2099	int
		2100	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		2101	ALIAS:
		2102	mprotect = 1
		2103	CODE:
		2104	{
		2105	STRLEN svlen;
		2106	void *addr = SvPVbyte (scalar, svlen);
		2107	STRLEN len = SvUV (length);
		2108
		2109	if (offset < 0)
		2110	offset += svlen;
		2111
		2112	if (offset < 0 \|\| offset > svlen)
		2113	croak ("offset outside of scalar");
		2114
		2115	if (!SvOK (length) \|\| len + offset > svlen)
		2116	len = svlen - offset;
		2117
		2118	addr = (void *)(((intptr_t)addr) + offset);
		2119	eio_page_align (&addr, &len);
		2120
		2121	switch (ix)
		2122	{
		2123	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		2124	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		2125	}
		2126	}
		2127	OUTPUT:
		2128	RETVAL
		2129
		2130	int
		2131	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)
		2132	CODE:
		2133	{
		2134	STRLEN svlen;
		2135	void *addr = SvPVbyte (scalar, svlen);
		2136	size_t len = SvUV (length);
		2137
		2138	if (offset < 0)
		2139	offset += svlen;
		2140
		2141	if (offset < 0 \|\| offset > svlen)
		2142	croak ("offset outside of scalar");
		2143
		2144	if (!SvOK (length) \|\| len + offset > svlen)
		2145	len = svlen - offset;
		2146
		2147	addr = (void *)(((intptr_t)addr) + offset);
		2148	eio_page_align (&addr, &len);
		2149	#if _POSIX_MEMLOCK_RANGE
		2150	RETVAL = munlock (addr, len);
		2151	#else
		2152	RETVAL = EIO_ENOSYS ();
		2153	#endif
		2154	}
		2155	OUTPUT:
		2156	RETVAL
		2157
		2158	int
		2159	munlockall ()
		2160	CODE:
		2161	#if _POSIX_MEMLOCK
		2162	munlockall ();
		2163	#else
		2164	RETVAL = EIO_ENOSYS ();
		2165	#endif
		2166	OUTPUT:
		2167	RETVAL
		2168
		2169	int
		2170	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		2171	CODE:
		2172	{
		2173	#if HAVE_LINUX_SPLICE
		2174	loff_t off_in_, off_out_;
		2175	RETVAL = splice (
		2176	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2177	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2178	length, flags
		2179	);
		2180	#else
		2181	RETVAL = EIO_ENOSYS ();
		2182	#endif
		2183	}
		2184	OUTPUT:
		2185	RETVAL
		2186
		2187	int
		2188	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2189	CODE:
		2190	#if HAVE_LINUX_SPLICE
		2191	RETVAL = tee (rfh, wfh, length, flags);
		2192	#else
		2193	RETVAL = EIO_ENOSYS ();
		2194	#endif
		2195	OUTPUT:
		2196	RETVAL
		2197
		2198	int
		2199	pipesize (aio_rfd rfh, int new_size = -1)
		2200	PROTOTYPE: $;$
		2201	CODE:
		2202	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2203	if (new_size >= 0)
		2204	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2205	else
		2206	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2207	#else
		2208	errno = ENOSYS;
		2209	RETVAL = -1;
		2210	#endif
		2211	OUTPUT:
		2212	RETVAL
		2213
		2214	void
		2215	pipe2 (int flags = 0)
		2216	PROTOTYPE: ;$
		2217	PPCODE:
		2218	{
		2219	int fd[2];
		2220	int res;
		2221
		2222	if (flags)
		2223	#if HAVE_PIPE2
		2224	res = pipe2 (fd, flags);
		2225	#else
		2226	res = (errno = ENOSYS, -1);
		2227	#endif
		2228	else
		2229	res = pipe (fd);
		2230
		2231	if (!res)
		2232	{
		2233	EXTEND (SP, 2);
		2234	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2235	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2236	}
		2237	}
		2238
		2239	void
		2240	eventfd (unsigned int initval = 0, int flags = 0)
		2241	PPCODE:
		2242	{
		2243	int fd;
		2244	#if HAVE_EVENTFD
		2245	fd = eventfd (initval, flags);
		2246	#else
		2247	fd = (errno = ENOSYS, -1);
		2248	#endif
		2249
		2250	XPUSHs (newmortalFH (fd, O_RDWR));
		2251	}
		2252
		2253	void
		2254	timerfd_create (int clockid, int flags = 0)
		2255	PPCODE:
		2256	{
		2257	int fd;
		2258	#if HAVE_TIMERFD
		2259	fd = timerfd_create (clockid, flags);
		2260	#else
		2261	fd = (errno = ENOSYS, -1);
		2262	#endif
		2263
		2264	XPUSHs (newmortalFH (fd, O_RDWR));
		2265	}
		2266
		2267	void
		2268	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2269	PPCODE:
		2270	{
		2271	int fd = s_fileno_croak (fh, 0);
		2272	#if HAVE_TIMERFD
		2273	int res;
		2274	struct itimerspec its, ots;
		2275
		2276	ts_set (&its.it_interval, interval);
		2277	ts_set (&its.it_value , value);
		2278	res = timerfd_settime (fd, flags, &its, &ots);
		2279
		2280	if (!res)
		2281	{
		2282	EXTEND (SP, 2);
		2283	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2284	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2285	}
		2286	#else
		2287	errno = ENOSYS;
		2288	#endif
		2289	}
		2290
		2291	void
		2292	timerfd_gettime (SV *fh)
		2293	PPCODE:
		2294	{
		2295	int fd = s_fileno_croak (fh, 0);
		2296	#if HAVE_TIMERFD
		2297	int res;
		2298	struct itimerspec ots;
		2299	res = timerfd_gettime (fd, &ots);
		2300
		2301	if (!res)
		2302	{
		2303	EXTEND (SP, 2);
		2304	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2305	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2306	}
		2307	#else
		2308	errno = ENOSYS;
		2309	#endif
		2310	}
		2311
		2312	UV
		2313	get_fdlimit ()
		2314	CODE:
		2315	#if HAVE_RLIMITS
		2316	struct rlimit rl;
		2317	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2318	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2319	#endif
		2320	XSRETURN_UNDEF;
		2321	OUTPUT:
		2322	RETVAL
		2323
		2324	void
		2325	min_fdlimit (UV limit = 0x7fffffffU)
		2326	CODE:
		2327	{
		2328	#if HAVE_RLIMITS
		2329	struct rlimit rl;
		2330	rlim_t orig_rlim_max;
		2331	UV bit;
		2332
		2333	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2334	goto fail;
		2335
		2336	if (rl.rlim_cur == RLIM_INFINITY)
		2337	XSRETURN_YES;
		2338
		2339	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2340
		2341	if (rl.rlim_cur < limit)
		2342	{
		2343	rl.rlim_cur = limit;
		2344
		2345	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2346	rl.rlim_max = rl.rlim_cur;
		2347	}
		2348
		2349	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2350	XSRETURN_YES;
		2351
		2352	if (errno == EPERM)
		2353	{
		2354	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2355	/* our limit overflows a system-wide limit */
		2356	/* try an adaptive algorithm, but do not lower the hardlimit */
		2357	rl.rlim_max = 0;
		2358	for (bit = 0x40000000U; bit; bit >>= 1)
		2359	{
		2360	rl.rlim_max \|= bit;
		2361	rl.rlim_cur = rl.rlim_max;
		2362
		2363	/* nevr decrease the hard limit */
		2364	if (rl.rlim_max < orig_rlim_max)
		2365	break;
		2366
		2367	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2368	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2369	}
		2370
		2371	/* now, raise the soft limit to the max permitted */
		2372	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2373	{
		2374	rl.rlim_cur = rl.rlim_max;
		2375	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2376	errno = EPERM;
		2377	}
		2378	}
		2379	#endif
		2380	fail:
		2381	XSRETURN_UNDEF;
		2382	}
		2383
1278	void _on_next_submit (SV *cb)	2384	void _on_next_submit (SV *cb)
1279	CODE:	2385	CODE:
1280	SvREFCNT_dec (on_next_submit);	2386	SvREFCNT_dec (on_next_submit);
1281	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2387	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282		2388
1283	PROTOTYPES: DISABLE	2389	PROTOTYPES: DISABLE
1284		2390
		2391	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2392
		2393	BOOT:
		2394	{
		2395	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2396	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2397	}
		2398
		2399	void
		2400	DESTROY (SV *self)
		2401	CODE:
		2402	{
		2403	aio_wd wd = SvAIO_WD (self);
		2404	#if HAVE_AT
		2405	{
		2406	SV *callback = &PL_sv_undef;
		2407	dREQ; /* clobbers next_pri :/ */
		2408	next_pri = req->pri; /* restore next_pri */
		2409	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2410	req->type = EIO_WD_CLOSE;
		2411	req->wd = wd;
		2412	REQ_SEND;
		2413	}
		2414	#else
		2415	eio_wd_close_sync (wd);
		2416	#endif
		2417	}
		2418
1285	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2419	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1286		2420
1287	void	2421	void
1288	cancel (aio_req_ornot req)	2422	cancel (aio_req_ornot req)
1289	CODE:	2423	CODE:
1290	eio_cancel (req);	2424	eio_cancel (req);
1291		2425
1292	void	2426	void
1293	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2427	cb (aio_req_ornot req, SV *callback = NO_INIT)
1294	PPCODE:	2428	PPCODE:
1295	{	2429	{
1296	if (GIMME_V != G_VOID)	2430	if (GIMME_V != G_VOID)
1297	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2431	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1298		2432
1299	if (items > 1)	2433	if (items > 1)
1300	{	2434	{
1301	SV *cb_cv =get_cb (callback);	2435	SV *cb_cv = get_cb (callback);
1302		2436
1303	SvREFCNT_dec (req->callback);	2437	SvREFCNT_dec (req->callback);
1304	req->callback = SvREFCNT_inc (cb_cv);	2438	req->callback = SvREFCNT_inc (cb_cv);
1305	}	2439	}
1306	}	2440	}
…		…
1363	limit (aio_req grp, int limit)	2497	limit (aio_req grp, int limit)
1364	CODE:	2498	CODE:
1365	eio_grp_limit (grp, limit);	2499	eio_grp_limit (grp, limit);
1366		2500
1367	void	2501	void
1368	feed (aio_req grp, SV *callback=&PL_sv_undef)	2502	feed (aio_req grp, SV *callback = &PL_sv_undef)
1369	CODE:	2503	CODE:
1370	{	2504	{
1371	SvREFCNT_dec (grp->sv2);	2505	SvREFCNT_dec (grp->sv2);
1372	grp->sv2 = newSVsv (callback);	2506	grp->sv2 = newSVsv (callback);
1373	grp->feed = aio_grp_feed;	2507	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs. Revision 1.257 by root, Tue Jul 17 23:20:09 2018 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.257 by root, Tue Jul 17 23:20:09 2018 UTC