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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.143 by root, Sat Jun 6 19:44:17 2009 UTC vs.
Revision 1.291 by root, Tue Jul 27 07:58:35 2021 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	#include "perliol.h"
		9
		10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
8		13
9	#include <stddef.h>	14	#include <stddef.h>
10	#include <stdlib.h>	15	#include <stdlib.h>
11	#include <errno.h>	16	#include <errno.h>
12	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
13	#include <sys/stat.h>	19	#include <sys/stat.h>
14	#include <limits.h>	20	#include <limits.h>
15	#include <fcntl.h>	21	#include <fcntl.h>
16	#include <sched.h>	22	#include <sched.h>
17		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
		36	#endif
		37
18	/* perl namespace pollution */	38	/* perl namespace pollution */
19	#undef VERSION	39	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		40
70	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	43	#undef readdir
73	#undef opendir	44	#undef opendir
74	#undef closedir	45	#undef closedir
75		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	#undef utime
		81
		82	#define EIO_STRUCT_STAT struct _stati64
76	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STATI64
77		84
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define SvVAL64 SvIV
81	#else	85	#else
82	# define SvVAL64 SvNV	86
		87	#include <sys/time.h>
		88	#include <sys/select.h>
		89	#include <sys/wait.h>
		90	#include <unistd.h>
		91	#include <utime.h>
		92	#include <signal.h>
		93
		94	#define EIO_STRUCT_STAT Stat_t
		95
83	#endif	96	#endif
84		97
85	/*****************************************************************************/	98	/*****************************************************************************/
86		99
87	#if __GNUC__ >= 3	100	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
95		108
96	/*****************************************************************************/	109	/*****************************************************************************/
97		110
98	static HV *stash;	111	#include "config.h"
		112
		113	#if HAVE_SYS_MKDEV_H
		114	# include <sys/mkdev.h>
		115	#elif HAVE_SYS_SYSMACROS_H
		116	# include <sys/sysmacros.h>
		117	#endif
		118
		119	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		120	# include <sys/mman.h>
		121	#endif
		122
		123	#if HAVE_SYS_UIO_H
		124	# include <sys/uio.h>
		125	#endif
		126
		127	#if HAVE_ST_XTIMENSEC
		128	# define ATIMENSEC PL_statcache.st_atimensec
		129	# define MTIMENSEC PL_statcache.st_mtimensec
		130	# define CTIMENSEC PL_statcache.st_ctimensec
		131	#elif HAVE_ST_XTIMESPEC
		132	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		133	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		134	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		135	#else
		136	# define ATIMENSEC 0
		137	# define MTIMENSEC 0
		138	# define CTIMENSEC 0
		139	#endif
		140
		141	#if HAVE_ST_BIRTHTIMENSEC
		142	# define BTIMESEC PL_statcache.st_birthtime
		143	# define BTIMENSEC PL_statcache.st_birthtimensec
		144	#elif HAVE_ST_BIRTHTIMESPEC
		145	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		146	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		147	#else
		148	# define BTIMESEC 0
		149	# define BTIMENSEC 0
		150	#endif
		151
		152	#if HAVE_ST_GEN
		153	# define ST_GEN PL_statcache.st_gen
		154	#else
		155	# define ST_GEN 0
		156	#endif
		157
		158	#include "schmorp.h"
		159
		160	#if HAVE_EVENTFD
		161	# include <sys/eventfd.h>
		162	#endif
		163
		164	#if HAVE_TIMERFD
		165	# include <sys/timerfd.h>
		166	#endif
		167
		168	#if HAVE_RLIMITS
		169	#include <sys/time.h>
		170	#include <sys/resource.h>
		171	#endif
		172
99	typedef SV SV8; /* byte-sv, used for argument-checking */	173	typedef SV SV8; /* byte-sv, used for argument-checking */
		174	typedef int aio_rfd; /* read file desriptor */
		175	typedef int aio_wfd; /* write file descriptor */
100		176
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	177	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		178
104	#define EIO_REQ_MEMBERS \	179	#define EIO_REQ_MEMBERS \
105	SV *callback; \	180	SV *callback; \
106	SV *sv1, *sv2; \	181	SV *sv1, *sv2; \
		182	SV *sv3, *sv4; \
107	STRLEN stroffset; \	183	STRLEN stroffset; \
108	SV *self;	184	SV *self;
109		185
110	#define EIO_NO_WRAPPERS 1	186	#define EIO_NO_WRAPPERS 1
111		187
…		…
114	static int req_invoke (eio_req *req);	190	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	191	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	192	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	193	#define EIO_DESTROY(req) req_destroy (req)
118		194
		195	#include "libeio/eio.c"
		196
		197	#if !HAVE_POSIX_FADVISE
		198	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		199	#endif
		200
		201	#if !HAVE_POSIX_MADVISE
		202	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		203	#endif
		204
		205	#ifndef MAP_ANONYMOUS
		206	# ifdef MAP_ANON
		207	# define MAP_ANONYMOUS MAP_ANON
		208	# else
		209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		210	# endif
		211	#endif
		212
		213	#ifndef makedev
		214	# define makedev(maj,min) (((maj) << 8) | (min))
		215	#endif
		216	#ifndef major
		217	# define major(dev) ((dev) >> 8)
		218	#endif
		219	#ifndef minor
		220	# define minor(dev) ((dev) & 0xff)
		221	#endif
		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
		225	# undef PAGESIZE
		226	#endif
		227
		228	#if PAGESIZE <= 0
		229	# define PAGESIZE sysconf (_SC_PAGESIZE)
		230	#endif
		231
		232	/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
		233	#ifdef __sun
		234	# undef HAVE_SYSCALL
		235	#endif
		236
		237	#if HAVE_SYSCALL
		238	#include <sys/syscall.h>
		239	#else
		240	# define syscall(nr,...) (errno = ENOSYS, -1)
		241	#endif
		242
		243	/*****************************************************************************/
		244
		245	#if !_POSIX_MAPPED_FILES
		246	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		247	# define munmap(addr,length) EIO_ENOSYS ()
		248	#endif
		249
		250	#if !_POSIX_MEMORY_PROTECTION
		251	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		252	#endif
		253
		254	#if !MREMAP_MAYMOVE
		255	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		256	#endif
		257
		258	#define FOREIGN_MAGIC PERL_MAGIC_ext
		259
		260	static int ecb_cold
		261	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		262	{
		263	int old_errno = errno;
		264	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		265	errno = old_errno;
		266
		267	mg->mg_obj = 0; /* just in case */
		268
		269	SvREADONLY_off (sv);
		270
		271	if (SvPVX (sv) != mg->mg_ptr)
		272	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		273
		274	SvCUR_set (sv, 0);
		275	SvPVX (sv) = 0;
		276	SvOK_off (sv);
		277
		278	return 0;
		279	}
		280
		281	static MGVTBL mmap_vtbl = {
		282	0, 0, 0, 0, mmap_free
		283	};
		284
		285	static int ecb_cold
		286	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		287	{
		288	free (mg->mg_ptr);
		289	mg->mg_obj = 0; /* just in case */
		290
		291	SvREADONLY_off (sv);
		292
		293	if (SvPVX (sv) != mg->mg_ptr)
		294	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		295
		296	SvCUR_set (sv, 0);
		297	SvPVX (sv) = 0;
		298	SvOK_off (sv);
		299
		300	return 0;
		301	}
		302
		303	static MGVTBL sysfree_vtbl = {
		304	0, 0, 0, 0, sysfree_free
		305	};
		306
		307	/*****************************************************************************/
		308
		309	/* helper: set scalar to foreign ptr with custom free */
		310	ecb_noinline
		311	static void
		312	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		313	{
		314	sv_force_normal (sv);
		315
		316	/* we store the length in mg_obj, as namlen is I32 :/ */
		317	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		318	->mg_obj = (SV *)length;
		319
		320	SvUPGRADE (sv, SVt_PV); /* nop... */
		321
		322	if (SvLEN (sv))
		323	Safefree (SvPVX (sv));
		324
		325	SvPVX (sv) = (char *)addr;
		326	SvCUR_set (sv, length);
		327	SvLEN_set (sv, 0);
		328	SvPOK_only (sv);
		329	}
		330
		331	static void
		332	sv_clear_foreign (SV *sv)
		333	{
		334	/* todo: iterate over magic and only free ours, but of course */
		335	/* the perl5porters will call that (correct) behaviour buggy */
		336	sv_unmagic (sv, FOREIGN_MAGIC);
		337	}
		338
		339	/*****************************************************************************/
		340
		341	/* defines all sorts of constants to 0 unless they are already defined */
		342	/* also provides const_iv_ and const_niv_ macros for them */
		343	#include "def0.h"
		344
		345	/*****************************************************************************/
		346
		347	static void
		348	fiemap (eio_req *req)
		349	{
		350	req->result = -1;
		351
		352	#if HAVE_FIEMAP
		353	/* assume some c99 */
		354	struct fiemap *fiemap = 0;
		355	size_t end_offset;
		356	int count = req->int3;
		357
		358	req->flags |= EIO_FLAG_PTR1_FREE;
		359
		360	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		361	/* increase in fixed steps */
		362	if (count < 0)
		363	count = 8;
		364
		365	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		366	errno = ENOMEM;
		367	if (!fiemap)
		368	return;
		369
		370	req->ptr1 = fiemap;
		371
		372	fiemap->fm_start = req->offs;
		373	fiemap->fm_length = req->size;
		374	fiemap->fm_flags = req->int2;
		375	fiemap->fm_extent_count = count;
		376
		377	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		378	return;
		379
		380	if (req->int3 >= 0 /* not autosizing */
		381	|| !fiemap->fm_mapped_extents /* no more extents */
		382	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		383	goto done;
		384
		385	/* else we have to loop -
		386	* it would be tempting (actually I tried that first) to just query the
		387	* number of extents needed, but linux often feels like not returning all
		388	* extents, without telling us it left any out. this complicates
		389	* this quite a bit.
		390	*/
		391
		392	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		393
		394	for (;;)
		395	{
		396	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		397	char scratch[3072];
		398	struct fiemap *incmap = (struct fiemap *)scratch;
		399
		400	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		401	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		402	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		403	incmap->fm_flags = fiemap->fm_flags;
		404	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		405
		406	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		407	return;
		408
		409	if (!incmap->fm_mapped_extents)
		410	goto done;
		411
		412	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		413	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		414	errno = ENOMEM;
		415	if (!fiemap)
		416	return;
		417
		418	req->ptr1 = fiemap;
		419
		420	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		421	{
		422	struct fiemap_extent *e = incmap->fm_extents + count;
		423
		424	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		425
		426	if (e->fe_logical >= end_offset)
		427	goto done;
		428
		429	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		430	goto done;
		431
		432	}
		433	}
		434
		435	done:
		436	req->result = 0;
		437
		438	#else
		439	errno = ENOSYS;
		440	#endif
		441	}
		442
		443	/*****************************************************************************/
		444
		445	static int close_fd; /* dummy fd to close fds via dup2 */
		446
		447	#if HAVE_STATX
		448	static struct statx stx;
		449	#define statx_offsetof(member) offsetof (struct statx, member)
		450	#define eio__statx statx
		451	#else
		452	#define statx_offsetof(member) 0
		453	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		454	#endif
		455
119	enum {	456	enum {
120	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	457	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121	};	458	};
122		459
123	#include "libeio/eio.c"
124
125	typedef eio_req *aio_req;	460	typedef eio_req *aio_req;
126	typedef eio_req *aio_req_ornot;	461	typedef eio_req *aio_req_ornot;
		462	typedef eio_wd aio_wd;
127		463
128	static SV *on_next_submit;	464	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	465	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	466	static int max_outstanding;
131		467
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	468	static s_epipe respipe;
133		469
134	static void req_destroy (aio_req req);	470	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	471	static void req_cancel (aio_req req);
136		472
137	static void want_poll (void)	473	static void
		474	want_poll (void)
138	{	475	{
139	/* write a dummy byte to the pipe so fh becomes ready */	476	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	477	s_epipe_signal (&respipe);
141	}	478	}
142		479
143	static void done_poll (void)	480	static void
		481	done_poll (void)
144	{	482	{
145	/* read any signals sent by the worker threads */	483	/* read any signals sent by the worker threads */
146	char buf [4];	484	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	485	}
150		486
151	/* must be called at most once */	487	/* must be called at most once */
152	static SV *req_sv (aio_req req, const char *klass)	488	ecb_noinline
		489	static SV *
		490	req_sv (aio_req req, HV *stash)
153	{	491	{
154	if (!req->self)	492	if (!req->self)
155	{	493	{
156	req->self = (SV *)newHV ();	494	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	495	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	496	}
159		497
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	498	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	499	}
162		500
163	static aio_req SvAIO_REQ (SV *sv)	501	static SV *
		502	newSVaio_wd (aio_wd wd)
		503	{
		504	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		505	}
		506
		507	ecb_noinline
		508	static aio_req
		509	SvAIO_REQ (SV *sv)
164	{	510	{
165	MAGIC *mg;	511	MAGIC *mg;
166		512
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	513	if (!SvROK (sv)
		514	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		515	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		516	&& SvSTASH (SvRV (sv)) != aio_req_stash
		517	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	518	croak ("object of class IO::AIO::REQ expected");
169		519
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	520	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		521
172	return mg ? (aio_req)mg->mg_ptr : 0;	522	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	523	}
174		524
		525	static aio_wd
		526	SvAIO_WD (SV *sv)
		527	{
		528	if (!SvROK (sv)
		529	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		530	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		531	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		532
		533	return (aio_wd)(long)SvIVX (SvRV (sv));
		534	}
		535
		536	static SV *
		537	newmortalFH (int fd, int flags)
		538	{
		539	if (fd < 0)
		540	return &PL_sv_undef;
		541
		542	GV *gv = (GV *)sv_newmortal ();
		543	char sym[64];
		544	int symlen;
		545
		546	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		547	gv_init (gv, aio_stash, sym, symlen, 0);
		548
		549	symlen = snprintf (
		550	sym,
		551	sizeof (sym),
		552	"%s&=%d",
		553	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		554	fd
		555	);
		556
		557	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		558	? (SV *)gv : &PL_sv_undef;
		559	}
		560
		561	static void
175	static void aio_grp_feed (aio_req grp)	562	aio_grp_feed (aio_req grp)
176	{	563	{
177	if (grp->sv2 && SvOK (grp->sv2))	564	if (grp->sv2 && SvOK (grp->sv2))
178	{	565	{
179	dSP;	566	dSP;
180		567
181	ENTER;	568	ENTER;
182	SAVETMPS;	569	SAVETMPS;
183	PUSHMARK (SP);	570	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	571	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	572	PUTBACK;
186	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	573	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187	SPAGAIN;	574	SPAGAIN;
188	FREETMPS;	575	FREETMPS;
189	LEAVE;	576	LEAVE;
190	}	577	}
191	}	578	}
192		579
		580	ecb_noinline
		581	static void
193	static void req_submit (eio_req *req)	582	req_submit (eio_req *req)
194	{	583	{
195	eio_submit (req);	584	eio_submit (req);
196		585
197	if (expect_false (on_next_submit))	586	if (expect_false (on_next_submit))
198	{	587	{
…		…
205	PUTBACK;	594	PUTBACK;
206	call_sv (cb, G_DISCARD | G_EVAL);	595	call_sv (cb, G_DISCARD | G_EVAL);
207	}	596	}
208	}	597	}
209		598
		599	static int
210	static int req_invoke (eio_req *req)	600	req_invoke (eio_req *req)
211	{	601	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	602	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	603	SvREADONLY_off (req->sv2);
216		604
217	if (!EIO_CANCELLED (req) && req->callback)	605	if (!EIO_CANCELLED (req) && req->callback)
218	{	606	{
		607	dSP;
		608	static SV *sv_result_cache; /* caches the result integer SV */
		609	SV *sv_result;
		610
219	ENTER;	611	ENTER;
220	SAVETMPS;	612	SAVETMPS;
221	PUSHMARK (SP);	613	PUSHMARK (SP);
222	EXTEND (SP, 1);	614	EXTEND (SP, 1);
223		615
		616	/* do not recreate the result IV from scratch each time */
		617	if (expect_true (sv_result_cache))
		618	{
		619	sv_result = sv_result_cache; sv_result_cache = 0;
		620	SvIV_set (sv_result, req->result);
		621	SvIOK_only (sv_result);
		622	}
		623	else
		624	{
		625	sv_result = newSViv (req->result);
		626	SvREADONLY_on (sv_result);
		627	}
		628
224	switch (req->type)	629	switch (req->type)
225	{	630	{
		631	case EIO_WD_OPEN:
		632	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		633	break;
		634
226	case EIO_READDIR:	635	case EIO_READDIR:
227	{	636	{
228	SV *rv = &PL_sv_undef;	637	SV *rv = &PL_sv_undef;
229		638
230	if (req->result >= 0)	639	if (req->result >= 0)
231	{	640	{
232	int i;	641	int i;
233	char *buf = req->ptr2;	642	char *names = (char *)req->ptr2;
		643	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234	AV *av = newAV ();	644	AV *av = newAV ();
235		645
236	av_extend (av, req->result - 1);	646	av_extend (av, req->result - 1);
237		647
238	for (i = 0; i < req->result; ++i)	648	for (i = 0; i < req->result; ++i)
239	{	649	{
240	if (req->int1 & EIO_READDIR_DENTS)	650	if (req->int1 & EIO_READDIR_DENTS)
241	{	651	{
242	eio_dirent *ent = (eio_dirent *)buf;
243	SV *namesv = newSVpvn (ent->name, ent->namelen);	652	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244		653
245	if (req->int1 & EIO_READDIR_CUSTOM2)	654	if (req->int1 & EIO_READDIR_CUSTOM2)
246	{	655	{
247	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */	656	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248	AV *avent = newAV ();	657	AV *avent = newAV ();
…		…
262	av_store (av, i, newRV_noinc ((SV *)avent));	671	av_store (av, i, newRV_noinc ((SV *)avent));
263	}	672	}
264	else	673	else
265	av_store (av, i, namesv);	674	av_store (av, i, namesv);
266		675
267	buf += sizeof (eio_dirent);	676	++ent;
268	}	677	}
269	else	678	else
270	{	679	{
271	SV *name = newSVpv (buf, 0);	680	SV *name = newSVpv (names, 0);
272	av_store (av, i, name);	681	av_store (av, i, name);
273	buf += SvCUR (name) + 1;	682	names += SvCUR (name) + 1;
274	}	683	}
275	}	684	}
276		685
277	rv = sv_2mortal (newRV_noinc ((SV *)av));	686	rv = sv_2mortal (newRV_noinc ((SV *)av));
278	}	687	}
…		…
283	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	692	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
284	}	693	}
285	break;	694	break;
286		695
287	case EIO_OPEN:	696	case EIO_OPEN:
		697	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
		698	break;
		699
		700	case EIO_STATVFS:
		701	case EIO_FSTATVFS:
288	{	702	{
289	/* convert fd to fh */
290	SV *fh = &PL_sv_undef;	703	SV *rv = &PL_sv_undef;
291		704
		705	#ifndef _WIN32
292	if (req->result >= 0)	706	if (req->result >= 0)
293	{	707	{
		708	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
294	GV *gv = (GV *)sv_newmortal ();	709	HV *hv = newHV ();
295	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	710	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
296	char sym [64];	711	* chooses to make it a struct.
297	int symlen;
298		712	*/
299	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	713	unsigned long fsid = 0;
300	gv_init (gv, stash, sym, symlen, 0);	714	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
301		715
302	symlen = snprintf (	716	rv = sv_2mortal (newRV_noinc ((SV *)hv));
303	sym,
304	sizeof (sym),
305	"%s&=%d",
306	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307	req->result
308	);
309		717
310	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	718	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
311	fh = (SV *)gv;	719	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		720	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		721	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		722	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		723	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		724	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		725	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		726	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
		727	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		728	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
312	}	729	}
		730	#endif
313		731
314	PUSHs (fh);	732	PUSHs (rv);
315	}	733	}
		734
316	break;	735	break;
317		736
318	case EIO_GROUP:	737	case EIO_GROUP:
319	req->int1 = 2; /* mark group as finished */	738	req->int1 = 2; /* mark group as finished */
320		739
…		…
332	case EIO_NOP:	751	case EIO_NOP:
333	case EIO_BUSY:	752	case EIO_BUSY:
334	break;	753	break;
335		754
336	case EIO_READLINK:	755	case EIO_READLINK:
		756	case EIO_REALPATH:
337	if (req->result > 0)	757	if (req->result > 0)
338	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	758	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339	break;	759	break;
340		760
341	case EIO_STAT:	761	case EIO_STAT:
342	case EIO_LSTAT:	762	case EIO_LSTAT:
343	case EIO_FSTAT:	763	case EIO_FSTAT:
344	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	764	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		765
345	PL_laststatval = req->result;	766	if (!(PL_laststatval = req->result))
		767	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
346	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	768	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347	PUSHs (sv_2mortal (newSViv (req->result)));	769
		770	PUSHs (sv_result);
		771	break;
		772
		773	case EIO_SEEK:
		774	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
348	break;	775	break;
349		776
350	case EIO_READ:	777	case EIO_READ:
351	{	778	{
352	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	779	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
353	*SvEND (req->sv2) = 0;	780	*SvEND (req->sv2) = 0;
354	SvPOK_only (req->sv2);	781	SvPOK_only (req->sv2);
355	SvSETMAGIC (req->sv2);	782	SvSETMAGIC (req->sv2);
356	PUSHs (sv_2mortal (newSViv (req->result)));	783	PUSHs (sv_result);
357	}	784	}
358	break;	785	break;
359		786
360	case EIO_DUP2:	787	case EIO_SLURP:
		788	{
		789	if (req->result >= 0)
		790	{
		791	/* if length was originally not known, we steal the malloc'ed memory */
		792	if (req->flags & EIO_FLAG_PTR2_FREE)
		793	{
		794	req->flags &= ~EIO_FLAG_PTR2_FREE;
		795	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		796	}
		797	else
		798	{
		799	SvCUR_set (req->sv2, req->result);
		800	*SvEND (req->sv2) = 0;
		801	SvPOK_only (req->sv2);
		802	}
		803
		804	SvSETMAGIC (req->sv2);
		805	}
		806
		807	PUSHs (sv_result);
		808	}
		809	break;
		810
		811	case EIO_CUSTOM:
		812	if (req->feed == fiemap)
		813	{
		814	#if HAVE_FIEMAP
		815	if (!req->result)
		816	{
		817	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		818
		819	if (fiemap->fm_extent_count)
		820	{
		821	AV *av = newAV ();
		822	int i;
		823
		824	while (fiemap->fm_mapped_extents)
		825	{
		826	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		827	AV *ext_av = newAV ();
		828
		829	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		830	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		831	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		832	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		833
		834	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		835	}
		836
		837	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		838	}
		839	else
		840	{
		841	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		842	PUSHs (sv_result);
		843	}
		844	}
		845	#endif
		846	}
		847	else
		848	PUSHs (sv_result);
		849	break;
		850
		851	#if 0
		852	case EIO_CLOSE:
		853	PerlIOUnix_refcnt_dec (req->int1);
		854	break;
		855	#endif
		856
		857	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
361	if (req->result > 0)	858	if (req->result > 0)
362	req->result = 0;	859	SvIV_set (sv_result, 0);
363	/* FALLTHROUGH */	860	/* FALLTHROUGH */
364		861
365	default:	862	default:
366	PUSHs (sv_2mortal (newSViv (req->result)));	863	PUSHs (sv_result);
367	break;	864	break;
368	}	865	}
369		866
370	errno = req->errorno;	867	errno = req->errorno;
371		868
372	PUTBACK;	869	PUTBACK;
373	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	870	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374	SPAGAIN;	871	SPAGAIN;
375		872
		873	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		874	SvREFCNT_dec (sv_result);
		875	else
		876	sv_result_cache = sv_result;
		877
376	FREETMPS;	878	FREETMPS;
377	LEAVE;	879	LEAVE;
378		880
379	PUTBACK;	881	PUTBACK;
380	}	882	}
381		883
382	return !!SvTRUE (ERRSV);	884	return !!SvTRUE (ERRSV);
383	}	885	}
384		886
		887	static void
385	static void req_destroy (aio_req req)	888	req_destroy (aio_req req)
386	{	889	{
387	if (req->self)	890	if (req->self)
388	{	891	{
389	sv_unmagic (req->self, PERL_MAGIC_ext);	892	sv_unmagic (req->self, PERL_MAGIC_ext);
390	SvREFCNT_dec (req->self);	893	SvREFCNT_dec (req->self);
391	}	894	}
392		895
393	SvREFCNT_dec (req->sv1);	896	SvREFCNT_dec (req->sv1);
394	SvREFCNT_dec (req->sv2);	897	SvREFCNT_dec (req->sv2);
		898	SvREFCNT_dec (req->sv3);
		899	SvREFCNT_dec (req->sv4);
395	SvREFCNT_dec (req->callback);	900	SvREFCNT_dec (req->callback);
396		901
397	Safefree (req);	902	free (req);
398	}	903	}
399		904
		905	static void
400	static void req_cancel_subs (aio_req grp)	906	req_cancel_subs (aio_req grp)
401	{	907	{
402	aio_req sub;
403
404	if (grp->type != EIO_GROUP)	908	if (grp->type != EIO_GROUP)
405	return;	909	return;
406		910
407	SvREFCNT_dec (grp->sv2);	911	SvREFCNT_dec (grp->sv2);
408	grp->sv2 = 0;	912	grp->sv2 = 0;
409		913
410	eio_grp_cancel (grp);	914	eio_grp_cancel (grp);
411	}	915	}
412		916
413	#ifdef USE_SOCKETS_AS_HANDLES	917	ecb_cold
414	# define TO_SOCKET(x) (win32_get_osfhandle (x))
415	#else
416	# define TO_SOCKET(x) (x)
417	#endif
418
419	static void	918	static void
420	create_respipe (void)	919	create_respipe (void)
421	{	920	{
422	int old_readfd = respipe [0];
423
424	if (respipe [1] >= 0)
425	respipe_close (TO_SOCKET (respipe [1]));
426
427	#ifdef _WIN32
428	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429	#else
430	if (pipe (respipe))	921	if (s_epipe_renew (&respipe))
431	#endif
432	croak ("unable to initialize result pipe");	922	croak ("IO::AIO: unable to initialize result pipe");
433
434	if (old_readfd >= 0)
435	{
436	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437	croak ("unable to initialize result pipe(2)");
438
439	respipe_close (respipe [0]);
440	respipe [0] = old_readfd;
441	}
442
443	#ifdef _WIN32
444	int arg = 1;
445	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447	#else
448	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450	#endif
451	croak ("unable to initialize result pipe(3)");
452
453	respipe_osf [0] = TO_SOCKET (respipe [0]);
454	respipe_osf [1] = TO_SOCKET (respipe [1]);
455	}	923	}
456		924
457	static void poll_wait (void)	925	static void
		926	poll_wait (void)
458	{	927	{
459	fd_set rfd;
460
461	while (eio_nreqs ())	928	while (eio_nreqs ())
462	{	929	{
463	int size;	930	int size;
464		931
465	X_LOCK (reslock);	932	X_LOCK (EIO_POOL->reslock);
466	size = res_queue.size;	933	size = EIO_POOL->res_queue.size;
467	X_UNLOCK (reslock);	934	X_UNLOCK (EIO_POOL->reslock);
468		935
469	if (size)	936	if (size)
470	return;	937	return;
471		938
472	etp_maybe_start_thread ();	939	etp_maybe_start_thread (EIO_POOL);
473		940
474	FD_ZERO (&rfd);	941	s_epipe_wait (&respipe);
475	FD_SET (respipe [0], &rfd);
476
477	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478	}	942	}
479	}	943	}
480		944
481	static int poll_cb (void)	945	static int
		946	poll_cb (void)
482	{	947	{
483	for (;;)	948	for (;;)
484	{	949	{
485	int res = eio_poll ();	950	int res = eio_poll ();
486		951
…		…
492		957
493	poll_wait ();	958	poll_wait ();
494	}	959	}
495	}	960	}
496		961
497	static void atfork_child (void)	962	ecb_cold
		963	static void
		964	reinit (void)
498	{	965	{
499	create_respipe ();	966	create_respipe ();
		967
		968	if (eio_init (want_poll, done_poll) < 0)
		969	croak ("IO::AIO: unable to initialise eio library");
500	}	970	}
		971
		972	/*****************************************************************************/
501		973
502	static SV *	974	static SV *
503	get_cb (SV *cb_sv)	975	get_cb (SV *cb_sv)
504	{	976	{
505	HV *st;	977	SvGETMAGIC (cb_sv);
506	GV *gvp;	978	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		979	}
		980
		981	ecb_noinline
		982	static aio_req ecb_noinline
		983	dreq (SV *callback)
		984	{
507	CV *cv;	985	SV *cb_cv;
		986	aio_req req;
		987	int req_pri = next_pri;
		988	next_pri = EIO_PRI_DEFAULT;
508		989
509	if (!SvOK (cb_sv))	990	cb_cv = get_cb (callback);
		991
		992	req = calloc (sizeof (*req), 1);
		993	if (!req)
		994	croak ("out of memory during eio_req allocation");
		995
		996	req->callback = SvREFCNT_inc (cb_cv);
		997	req->pri = req_pri;
		998
510	return 0;	999	return req;
511
512	cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514	if (!cv)
515	croak ("IO::AIO callback must be undef or a CODE reference");
516
517	return (SV *)cv;
518	}	1000	}
519		1001
520	#define dREQ \	1002	#define dREQ \
521	SV *cb_cv; \	1003	aio_req req = dreq (callback); \
522	aio_req req; \
523	int req_pri = next_pri; \
524	next_pri = EIO_PRI_DEFAULT; \
525	\
526	cb_cv = get_cb (callback); \
527	\
528	Newz (0, req, 1, eio_req); \
529	if (!req) \
530	croak ("out of memory during eio_req allocation"); \
531	\
532	req->callback = SvREFCNT_inc (cb_cv); \
533	req->pri = req_pri
534		1004
535	#define REQ_SEND \	1005	#define REQ_SEND \
536	PUTBACK; \	1006	PUTBACK; \
537	req_submit (req); \	1007	req_submit (req); \
538	SPAGAIN; \	1008	SPAGAIN; \
539	\	1009	\
540	if (GIMME_V != G_VOID) \	1010	if (GIMME_V != G_VOID) \
541	XPUSHs (req_sv (req, AIO_REQ_KLASS));	1011	XPUSHs (req_sv (req, aio_req_stash));
542		1012
		1013	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
		1014	ecb_inline
		1015	void
		1016	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		1017	{
		1018	if (expect_false (SvROK (path)))
		1019	{
		1020	SV *rv = SvRV (path);
		1021	SV *wdob;
		1022
		1023	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		1024	{
		1025	path = AvARRAY (rv)[1];
		1026	wdob = AvARRAY (rv)[0];
		1027
		1028	if (SvOK (wdob))
		1029	{
		1030	*wd = SvAIO_WD (wdob);
		1031	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		1032	}
		1033	else
		1034	*wd = EIO_INVALID_WD;
		1035	}
		1036	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		1037	{
		1038	*wd = (aio_wd)(long)SvIVX (rv);
		1039	*wdsv = SvREFCNT_inc_NN (rv);
		1040	*ptr = ".";
		1041	return; /* path set to "." */
		1042	}
		1043	else
		1044	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		1045	}
		1046
		1047	*pathsv = newSVsv (path);
		1048	*ptr = SvPVbyte_nolen (*pathsv);
		1049	}
		1050
		1051	ecb_noinline
543	static int	1052	static void
544	extract_fd (SV *fh, int wr)	1053	req_set_path1 (aio_req req, SV *path)
545	{	1054	{
546	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));	1055	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
547
548	if (fd < 0)
549	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551	return fd;
552	}	1056	}
		1057
		1058	ecb_noinline
		1059	static void
		1060	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		1061	{
		1062	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		1063
		1064	switch (SvTYPE (rv))
		1065	{
		1066	case SVt_PVIO:
		1067	case SVt_PVLV:
		1068	case SVt_PVGV:
		1069	req->type = type_fh;
		1070	req->sv1 = newSVsv (fh_or_path);
		1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1072	break;
		1073
		1074	default:
		1075	req->type = type_path;
		1076	req_set_path1 (req, fh_or_path);
		1077	break;
		1078	}
		1079	}
		1080
		1081	/*****************************************************************************/
		1082
		1083	static void
		1084	ts_set (struct timespec *ts, NV value)
		1085	{
		1086	ts->tv_sec = value;
		1087	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1088	}
		1089
		1090	static NV
		1091	ts_get (const struct timespec *ts)
		1092	{
		1093	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1094	}
		1095
		1096	/*****************************************************************************/
		1097
		1098	XS(boot_IO__AIO) ecb_cold;
553		1099
554	MODULE = IO::AIO PACKAGE = IO::AIO	1100	MODULE = IO::AIO PACKAGE = IO::AIO
555		1101
556	PROTOTYPES: ENABLE	1102	PROTOTYPES: ENABLE
557		1103
558	BOOT:	1104	BOOT:
559	{	1105	{
560	stash = gv_stashpv ("IO::AIO", 1);
561
562	static const struct {	1106	static const struct {
563	const char *name;	1107	const char *name;
564	IV iv;	1108	IV iv;
565	} *civ, const_iv[] = {	1109	} *civ, const_iv[] = {
566	# define const_iv(name, value) { # name, (IV) value },	1110	# define const_niv(name, value) { # name, (IV) value },
		1111	# define const_iv(name) { # name, (IV) name },
567	# define const_eio(name) { # name, (IV) EIO_ ## name },	1112	# define const_eio(name) { # name, (IV) EIO_ ## name },
568	const_iv (EXDEV , EXDEV)	1113
		1114	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1115	/* the first block can be undef if missing */
569	const_iv (ENOSYS , ENOSYS)	1116	const_iv (ENOSYS)
		1117	const_iv (EXDEV)
		1118	const_iv (EBADR)
		1119
		1120	/* for lseek */
		1121	const_iv (SEEK_DATA)
		1122	const_iv (SEEK_HOLE)
		1123
		1124	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1125	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1126	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1127	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1128	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1129	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1130
		1131	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1132	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1133	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1134	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1135	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1136
		1137	/* the second block will be 0 when missing */
		1138	const_iv (O_ACCMODE)
		1139
570	const_iv (O_RDONLY, O_RDONLY)	1140	const_iv (O_RDONLY)
571	const_iv (O_WRONLY, O_WRONLY)	1141	const_iv (O_WRONLY)
		1142	const_iv (O_RDWR)
572	const_iv (O_CREAT , O_CREAT)	1143	const_iv (O_CREAT)
573	const_iv (O_TRUNC , O_TRUNC)	1144	const_iv (O_TRUNC)
574	#ifndef _WIN32	1145	const_iv (O_EXCL)
		1146	const_iv (O_APPEND)
		1147
		1148	const_iv (O_ASYNC)
		1149	const_iv (O_DIRECT)
		1150	const_iv (O_NOATIME)
		1151
		1152	const_iv (O_CLOEXEC)
		1153	const_iv (O_NOCTTY)
		1154	const_iv (O_NOFOLLOW)
		1155	const_iv (O_NONBLOCK)
		1156	const_iv (O_EXEC)
		1157	const_iv (O_SEARCH)
		1158	const_iv (O_DIRECTORY)
		1159	const_iv (O_DSYNC)
		1160	const_iv (O_RSYNC)
		1161	const_iv (O_SYNC)
		1162	const_iv (O_PATH)
		1163	const_iv (O_TMPFILE)
		1164	const_iv (O_TTY_INIT)
		1165
575	const_iv (S_IFIFO , S_IFIFO)	1166	const_iv (S_IFIFO)
576	#endif	1167	const_iv (S_IFCHR)
		1168	const_iv (S_IFBLK)
		1169	const_iv (S_IFLNK)
		1170	const_iv (S_IFREG)
		1171	const_iv (S_IFDIR)
		1172	const_iv (S_IFWHT)
		1173	const_iv (S_IFSOCK)
		1174	const_iv (S_IFMT)
		1175
		1176	const_iv (ST_RDONLY)
		1177	const_iv (ST_NOSUID)
		1178	const_iv (ST_NODEV)
		1179	const_iv (ST_NOEXEC)
		1180	const_iv (ST_SYNCHRONOUS)
		1181	const_iv (ST_MANDLOCK)
		1182	const_iv (ST_WRITE)
		1183	const_iv (ST_APPEND)
		1184	const_iv (ST_IMMUTABLE)
		1185	const_iv (ST_NOATIME)
		1186	const_iv (ST_NODIRATIME)
		1187	const_iv (ST_RELATIME)
		1188
		1189	const_iv (PROT_NONE)
		1190	const_iv (PROT_EXEC)
		1191	const_iv (PROT_READ)
		1192	const_iv (PROT_WRITE)
		1193
		1194	const_iv (MAP_PRIVATE)
		1195	const_iv (MAP_SHARED)
		1196	const_iv (MAP_FIXED)
		1197	const_iv (MAP_ANONYMOUS)
		1198
		1199	/* linuxish */
		1200	const_iv (MAP_LOCKED)
		1201	const_iv (MAP_NORESERVE)
		1202	const_iv (MAP_POPULATE)
		1203	const_iv (MAP_NONBLOCK)
		1204	const_iv (MAP_GROWSDOWN)
		1205	const_iv (MAP_32BIT)
		1206	const_iv (MAP_HUGETLB)
		1207	const_iv (MAP_STACK)
		1208	const_iv (MAP_FIXED_NOREPLACE)
		1209	const_iv (MAP_SHARED_VALIDATE)
		1210	const_iv (MAP_SYNC)
		1211	const_iv (MAP_UNINITIALIZED)
		1212
		1213	const_iv (MREMAP_MAYMOVE)
		1214	const_iv (MREMAP_FIXED)
		1215
		1216	const_iv (MSG_CMSG_CLOEXEC)
		1217	const_iv (SOCK_CLOEXEC)
		1218
		1219	const_iv (F_DUPFD_CLOEXEC)
		1220
		1221	const_iv (F_ADD_SEALS)
		1222	const_iv (F_GET_SEALS)
		1223	const_iv (F_SEAL_SEAL)
		1224	const_iv (F_SEAL_SHRINK)
		1225	const_iv (F_SEAL_GROW)
		1226	const_iv (F_SEAL_WRITE)
		1227
		1228	const_iv (F_OFD_GETLK)
		1229	const_iv (F_OFD_SETLK)
		1230	const_iv (F_OFD_GETLKW)
		1231
		1232	const_iv (FIFREEZE)
		1233	const_iv (FITHAW)
		1234	const_iv (FITRIM)
		1235	const_iv (FICLONE)
		1236	const_iv (FICLONERANGE)
		1237	const_iv (FIDEDUPERANGE)
		1238
		1239	const_iv (FS_IOC_GETFLAGS)
		1240	const_iv (FS_IOC_SETFLAGS)
		1241	const_iv (FS_IOC_GETVERSION)
		1242	const_iv (FS_IOC_SETVERSION)
		1243	const_iv (FS_IOC_FIEMAP)
		1244	const_iv (FS_IOC_FSGETXATTR)
		1245	const_iv (FS_IOC_FSSETXATTR)
		1246	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1247	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1248	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1249
		1250	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1251
		1252	const_iv (FS_SECRM_FL)
		1253	const_iv (FS_UNRM_FL)
		1254	const_iv (FS_COMPR_FL)
		1255	const_iv (FS_SYNC_FL)
		1256	const_iv (FS_IMMUTABLE_FL)
		1257	const_iv (FS_APPEND_FL)
		1258	const_iv (FS_NODUMP_FL)
		1259	const_iv (FS_NOATIME_FL)
		1260	const_iv (FS_DIRTY_FL)
		1261	const_iv (FS_COMPRBLK_FL)
		1262	const_iv (FS_NOCOMP_FL)
		1263	const_iv (FS_ENCRYPT_FL)
		1264	const_iv (FS_BTREE_FL)
		1265	const_iv (FS_INDEX_FL)
		1266	const_iv (FS_JOURNAL_DATA_FL)
		1267	const_iv (FS_NOTAIL_FL)
		1268	const_iv (FS_DIRSYNC_FL)
		1269	const_iv (FS_TOPDIR_FL)
		1270	const_iv (FS_FL_USER_MODIFIABLE)
		1271
		1272	const_iv (FS_XFLAG_REALTIME)
		1273	const_iv (FS_XFLAG_PREALLOC)
		1274	const_iv (FS_XFLAG_IMMUTABLE)
		1275	const_iv (FS_XFLAG_APPEND)
		1276	const_iv (FS_XFLAG_SYNC)
		1277	const_iv (FS_XFLAG_NOATIME)
		1278	const_iv (FS_XFLAG_NODUMP)
		1279	const_iv (FS_XFLAG_RTINHERIT)
		1280	const_iv (FS_XFLAG_PROJINHERIT)
		1281	const_iv (FS_XFLAG_NOSYMLINKS)
		1282	const_iv (FS_XFLAG_EXTSIZE)
		1283	const_iv (FS_XFLAG_EXTSZINHERIT)
		1284	const_iv (FS_XFLAG_NODEFRAG)
		1285	const_iv (FS_XFLAG_FILESTREAM)
		1286	const_iv (FS_XFLAG_DAX)
		1287	const_iv (FS_XFLAG_HASATTR)
		1288
		1289	const_iv (FIEMAP_FLAG_SYNC)
		1290	const_iv (FIEMAP_FLAG_XATTR)
		1291	const_iv (FIEMAP_FLAGS_COMPAT)
		1292	const_iv (FIEMAP_EXTENT_LAST)
		1293	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1294	const_iv (FIEMAP_EXTENT_DELALLOC)
		1295	const_iv (FIEMAP_EXTENT_ENCODED)
		1296	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1297	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1298	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1299	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1300	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1301	const_iv (FIEMAP_EXTENT_MERGED)
		1302	const_iv (FIEMAP_EXTENT_SHARED)
		1303
		1304	const_iv (SPLICE_F_MOVE)
		1305	const_iv (SPLICE_F_NONBLOCK)
		1306	const_iv (SPLICE_F_MORE)
		1307	const_iv (SPLICE_F_GIFT)
		1308
		1309	const_iv (EFD_CLOEXEC)
		1310	const_iv (EFD_NONBLOCK)
		1311	const_iv (EFD_SEMAPHORE)
		1312
		1313	const_iv (MFD_CLOEXEC)
		1314	const_iv (MFD_ALLOW_SEALING)
		1315	const_iv (MFD_HUGETLB)
		1316
		1317	const_iv (CLOCK_REALTIME)
		1318	const_iv (CLOCK_MONOTONIC)
		1319	const_iv (CLOCK_BOOTTIME)
		1320	const_iv (CLOCK_REALTIME_ALARM)
		1321	const_iv (CLOCK_BOOTTIME_ALARM)
		1322
		1323	const_iv (TFD_NONBLOCK)
		1324	const_iv (TFD_CLOEXEC)
		1325
		1326	const_iv (TFD_TIMER_ABSTIME)
		1327	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1328
		1329	const_iv (STATX_TYPE)
		1330	const_iv (STATX_MODE)
		1331	const_iv (STATX_NLINK)
		1332	const_iv (STATX_UID)
		1333	const_iv (STATX_GID)
		1334	const_iv (STATX_ATIME)
		1335	const_iv (STATX_MTIME)
		1336	const_iv (STATX_CTIME)
		1337	const_iv (STATX_INO)
		1338	const_iv (STATX_SIZE)
		1339	const_iv (STATX_BLOCKS)
		1340	const_iv (STATX_BASIC_STATS)
		1341	const_iv (STATX_ALL)
		1342	const_iv (STATX_BTIME)
		1343	const_iv (STATX_ATTR_COMPRESSED)
		1344	const_iv (STATX_ATTR_IMMUTABLE)
		1345	const_iv (STATX_ATTR_APPEND)
		1346	const_iv (STATX_ATTR_NODUMP)
		1347	const_iv (STATX_ATTR_ENCRYPTED)
		1348	const_iv (STATX_ATTR_AUTOMOUNT)
		1349
		1350	const_iv (AT_FDCWD)
		1351	const_iv (AT_SYMLINK_NOFOLLOW)
		1352	const_iv (AT_EACCESS)
		1353	const_iv (AT_REMOVEDIR)
		1354	const_iv (AT_SYMLINK_FOLLOW)
		1355	const_iv (AT_NO_AUTOMOUNT)
		1356	const_iv (AT_EMPTY_PATH)
		1357	const_iv (AT_STATX_SYNC_TYPE)
		1358	const_iv (AT_STATX_AS_STAT)
		1359	const_iv (AT_STATX_FORCE_SYNC)
		1360	const_iv (AT_STATX_DONT_SYNC)
		1361	const_iv (AT_RECURSIVE)
		1362
		1363	const_iv (OPEN_TREE_CLONE)
		1364
		1365	const_iv (FSOPEN_CLOEXEC)
		1366
		1367	const_iv (FSPICK_CLOEXEC)
		1368	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1369	const_iv (FSPICK_NO_AUTOMOUNT)
		1370	const_iv (FSPICK_EMPTY_PATH)
		1371
		1372	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1373	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1374	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1375	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1376	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1377	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1378
		1379	/* waitid */
		1380	const_iv (P_PID)
		1381	const_iv (P_PIDFD)
		1382	const_iv (P_PGID)
		1383	const_iv (P_ALL)
		1384
		1385	const_iv (FSCONFIG_SET_FLAG)
		1386	const_iv (FSCONFIG_SET_STRING)
		1387	const_iv (FSCONFIG_SET_BINARY)
		1388	const_iv (FSCONFIG_SET_PATH)
		1389	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1390	const_iv (FSCONFIG_SET_FD)
		1391	const_iv (FSCONFIG_CMD_CREATE)
		1392	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1393
		1394	const_iv (MOUNT_ATTR_RDONLY)
		1395	const_iv (MOUNT_ATTR_NOSUID)
		1396	const_iv (MOUNT_ATTR_NODEV)
		1397	const_iv (MOUNT_ATTR_NOEXEC)
		1398	const_iv (MOUNT_ATTR__ATIME)
		1399	const_iv (MOUNT_ATTR_RELATIME)
		1400	const_iv (MOUNT_ATTR_NOATIME)
		1401	const_iv (MOUNT_ATTR_STRICTATIME)
		1402	const_iv (MOUNT_ATTR_NODIRATIME)
		1403
		1404	/* these are libeio constants, and are independent of gendef0 */
		1405	const_eio (SEEK_SET)
		1406	const_eio (SEEK_CUR)
		1407	const_eio (SEEK_END)
		1408
		1409	const_eio (MCL_FUTURE)
		1410	const_eio (MCL_CURRENT)
		1411	const_eio (MCL_ONFAULT)
		1412
		1413	const_eio (MS_ASYNC)
		1414	const_eio (MS_INVALIDATE)
		1415	const_eio (MS_SYNC)
		1416
		1417	const_eio (MT_MODIFY)
		1418
577	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1419	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578	const_eio (SYNC_FILE_RANGE_WRITE)	1420	const_eio (SYNC_FILE_RANGE_WRITE)
579	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1421	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1422
		1423	const_eio (FALLOC_FL_KEEP_SIZE)
		1424	const_eio (FALLOC_FL_PUNCH_HOLE)
		1425	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1426	const_eio (FALLOC_FL_ZERO_RANGE)
		1427	const_eio (FALLOC_FL_INSERT_RANGE)
		1428	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1429
		1430	const_eio (RENAME_NOREPLACE)
		1431	const_eio (RENAME_EXCHANGE)
		1432	const_eio (RENAME_WHITEOUT)
580		1433
581	const_eio (READDIR_DENTS)	1434	const_eio (READDIR_DENTS)
582	const_eio (READDIR_DIRS_FIRST)	1435	const_eio (READDIR_DIRS_FIRST)
583	const_eio (READDIR_STAT_ORDER)	1436	const_eio (READDIR_STAT_ORDER)
584	const_eio (READDIR_FOUND_UNKNOWN)	1437	const_eio (READDIR_FOUND_UNKNOWN)
…		…
592	const_eio (DT_LNK)	1445	const_eio (DT_LNK)
593	const_eio (DT_SOCK)	1446	const_eio (DT_SOCK)
594	const_eio (DT_WHT)	1447	const_eio (DT_WHT)
595	};	1448	};
596		1449
		1450	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1451	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1452	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1453	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
		1454
597	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1455	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
598	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1456	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599		1457
600	create_respipe ();	1458	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601		1459
602	if (eio_init (want_poll, done_poll) < 0)	1460	/* allocate dummy pipe fd for aio_close */
603	croak ("IO::AIO: unable to initialise eio library");	1461	{
		1462	int pipefd [2];
604		1463
605	/* atfork child called in fifo order, so before eio's handler */	1464	if (
606	X_THREAD_ATFORK (0, 0, atfork_child);	1465	#ifdef _WIN32
607	}	1466	_pipe (pipefd, 1, _O_BINARY) < 0
		1467	#else
		1468	pipe (pipefd) < 0
		1469	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1470	#endif
		1471	|| close (pipefd [1]) < 0
		1472	)
		1473	croak ("IO::AIO: unable to create dummy pipe for aio_close");
608		1474
		1475	close_fd = pipefd [0];
		1476	}
		1477
		1478	reinit ();
		1479	}
		1480
609	void	1481	void
		1482	reinit ()
		1483	PROTOTYPE:
		1484
		1485	void
610	max_poll_reqs (int nreqs)	1486	max_poll_reqs (unsigned int nreqs)
611	PROTOTYPE: $	1487	PROTOTYPE: $
612	CODE:	1488	CODE:
613	eio_set_max_poll_reqs (nreqs);	1489	eio_set_max_poll_reqs (nreqs);
614		1490
615	void	1491	void
…		…
617	PROTOTYPE: $	1493	PROTOTYPE: $
618	CODE:	1494	CODE:
619	eio_set_max_poll_time (nseconds);	1495	eio_set_max_poll_time (nseconds);
620		1496
621	void	1497	void
622	min_parallel (int nthreads)	1498	min_parallel (unsigned int nthreads)
623	PROTOTYPE: $	1499	PROTOTYPE: $
624	CODE:	1500	CODE:
625	eio_set_min_parallel (nthreads);	1501	eio_set_min_parallel (nthreads);
626		1502
627	void	1503	void
628	max_parallel (int nthreads)	1504	max_parallel (unsigned int nthreads)
629	PROTOTYPE: $	1505	PROTOTYPE: $
630	CODE:	1506	CODE:
631	eio_set_max_parallel (nthreads);	1507	eio_set_max_parallel (nthreads);
632		1508
633	void	1509	void
634	max_idle (int nthreads)	1510	max_idle (unsigned int nthreads)
635	PROTOTYPE: $	1511	PROTOTYPE: $
636	CODE:	1512	CODE:
637	eio_set_max_idle (nthreads);	1513	eio_set_max_idle (nthreads);
638		1514
639	void	1515	void
		1516	idle_timeout (unsigned int seconds)
		1517	PROTOTYPE: $
		1518	CODE:
		1519	eio_set_idle_timeout (seconds);
		1520
		1521	void
640	max_outstanding (int maxreqs)	1522	max_outstanding (unsigned int maxreqs)
641	PROTOTYPE: $	1523	PROTOTYPE: $
642	CODE:	1524	CODE:
643	max_outstanding = maxreqs;	1525	max_outstanding = maxreqs;
644		1526
645	void	1527	void
646	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1528	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
647	PROTOTYPE: $$$;$
648	PPCODE:	1529	PPCODE:
649	{	1530	{
650	dREQ;	1531	dREQ;
651		1532
		1533	req->type = EIO_WD_OPEN;
		1534	req_set_path1 (req, pathname);
		1535
		1536	REQ_SEND;
		1537	}
		1538
		1539	void
		1540	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1541	PPCODE:
		1542	{
		1543	dREQ;
		1544
652	req->type = EIO_OPEN;	1545	req->type = EIO_OPEN;
653	req->sv1 = newSVsv (pathname);	1546	req_set_path1 (req, pathname);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->int1 = flags;	1547	req->int1 = flags;
656	req->int2 = mode;	1548	req->int2 = mode;
657		1549
658	REQ_SEND;	1550	REQ_SEND;
659	}	1551	}
660		1552
661	void	1553	void
662	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1554	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
663	PROTOTYPE: $;$
664	ALIAS:	1555	ALIAS:
665	aio_fsync = EIO_FSYNC	1556	aio_fsync = EIO_FSYNC
666	aio_fdatasync = EIO_FDATASYNC	1557	aio_fdatasync = EIO_FDATASYNC
		1558	aio_syncfs = EIO_SYNCFS
667	PPCODE:	1559	PPCODE:
668	{	1560	{
669	int fd = extract_fd (fh, 0);	1561	int fd = s_fileno_croak (fh, 0);
670	dREQ;	1562	dREQ;
671		1563
672	req->type = ix;	1564	req->type = ix;
673	req->sv1 = newSVsv (fh);	1565	req->sv1 = newSVsv (fh);
674	req->int1 = fd;	1566	req->int1 = fd;
675		1567
676	REQ_SEND (req);	1568	REQ_SEND;
677	}	1569	}
678		1570
679	void	1571	void
680	aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)	1572	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
681	PROTOTYPE: $$$$;$
682	PPCODE:	1573	PPCODE:
683	{	1574	{
684	int fd = extract_fd (fh, 0);	1575	int fd = s_fileno_croak (fh, 0);
685	dREQ;	1576	dREQ;
686		1577
687	req->type = EIO_SYNC_FILE_RANGE;	1578	req->type = EIO_SYNC_FILE_RANGE;
688	req->sv1 = newSVsv (fh);	1579	req->sv1 = newSVsv (fh);
689	req->int1 = fd;	1580	req->int1 = fd;
		1581	req->offs = offset;
		1582	req->size = nbytes;
		1583	req->int2 = flags;
		1584
		1585	REQ_SEND;
		1586	}
		1587
		1588	void
		1589	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
		1590	PPCODE:
		1591	{
		1592	int fd = s_fileno_croak (fh, 0);
		1593	dREQ;
		1594
		1595	req->type = EIO_FALLOCATE;
		1596	req->sv1 = newSVsv (fh);
		1597	req->int1 = fd;
		1598	req->int2 = mode;
		1599	req->offs = offset;
		1600	req->size = len;
		1601
		1602	REQ_SEND;
		1603	}
		1604
		1605	void
		1606	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1607	PPCODE:
		1608	{
		1609	int fd = s_fileno_croak (fh, 0);
		1610	dREQ;
		1611	#if 0
		1612	/* partially duplicate logic in s_fileno */
		1613	SvGETMAGIC (fh);
		1614
		1615	if (SvROK (fh))
		1616	{
		1617	fh = SvRV (fh);
		1618	SvGETMAGIC (fh);
		1619	}
		1620
		1621	if (SvTYPE (fh) == SVt_PVGV)
		1622	{
		1623	/* perl filehandle */
		1624	PerlIOUnix_refcnt_inc (fd);
		1625	do_close ((GV *)fh, 1);
		1626
		1627	req->type = EIO_CLOSE;
		1628	req->int1 = fd;
		1629	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
		1630	}
		1631	else
		1632	#endif
		1633	{
		1634	/* fd number */
		1635	req->type = EIO_DUP2;
		1636	req->int1 = close_fd;
		1637	req->sv2 = newSVsv (fh);
		1638	req->int2 = fd;
		1639	}
		1640
		1641	REQ_SEND;
		1642	}
		1643
		1644	void
		1645	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1646	PPCODE:
		1647	{
		1648	int fd = s_fileno_croak (fh, 0);
		1649	dREQ;
		1650
		1651	req->type = EIO_SEEK;
		1652	req->sv1 = newSVsv (fh);
		1653	req->int1 = fd;
690	req->offs = SvVAL64 (offset);	1654	req->offs = SvVAL64 (offset);
691	req->size = SvVAL64 (nbytes);
692	req->int2 = flags;	1655	req->int2 = whence;
693		1656
694	REQ_SEND (req);	1657	REQ_SEND;
695	}	1658	}
696		1659
697	void	1660	void
698	aio_close (SV *fh, SV *callback=&PL_sv_undef)
699	PROTOTYPE: $;$
700	PPCODE:
701	{
702	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
703	int fd = extract_fd (fh, 0);
704	dREQ;
705
706	if (close_pipe < 0)
707	{
708	int pipefd [2];
709
710	if (pipe (pipefd) < 0
711	|| close (pipefd [1]) < 0
712	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
713	abort (); /*D*/
714
715	close_pipe = pipefd [0];
716	}
717
718	req->type = EIO_DUP2;
719	req->int1 = close_pipe;
720	req->sv2 = newSVsv (fh);
721	req->int2 = fd;
722
723	REQ_SEND (req);
724	}
725
726	void
727	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1661	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
728	ALIAS:	1662	ALIAS:
729	aio_read = EIO_READ	1663	aio_read = EIO_READ
730	aio_write = EIO_WRITE	1664	aio_write = EIO_WRITE
731	PROTOTYPE: $$$$$;$
732	PPCODE:	1665	PPCODE:
733	{	1666	{
734	STRLEN svlen;	1667	STRLEN svlen;
735	int fd = extract_fd (fh, ix == EIO_WRITE);	1668	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736	char *svptr = SvPVbyte (data, svlen);	1669	char *svptr = SvPVbyte (data, svlen);
737	UV len = SvUV (length);	1670	UV len = SvUV (length);
738		1671
739	if (dataoffset < 0)	1672	if (dataoffset < 0)
740	dataoffset += svlen;	1673	dataoffset += svlen;
…		…
749	len = svlen - dataoffset;	1682	len = svlen - dataoffset;
750	}	1683	}
751	else	1684	else
752	{	1685	{
753	/* read: check type and grow scalar as necessary */	1686	/* read: check type and grow scalar as necessary */
754	SvUPGRADE (data, SVt_PV);	1687	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
755	svptr = SvGROW (data, len + dataoffset + 1);	1688	svptr = sv_grow (data, len + dataoffset + 1);
		1689	else if (SvCUR (data) < len + dataoffset)
		1690	croak ("length + dataoffset outside of scalar, and cannot grow");
756	}	1691	}
757		1692
758	{	1693	{
759	dREQ;	1694	dREQ;
760		1695
…		…
776	REQ_SEND;	1711	REQ_SEND;
777	}	1712	}
778	}	1713	}
779		1714
780	void	1715	void
781	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1716	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
782	PROTOTYPE: $$;$	1717	ALIAS:
		1718	aio_ioctl = EIO_IOCTL
		1719	aio_fcntl = EIO_FCNTL
783	PPCODE:	1720	PPCODE:
784	{	1721	{
785	SV *data;	1722	int fd = s_fileno_croak (fh, 0);
		1723	char *svptr;
		1724
		1725	if (SvPOK (arg) || !SvNIOK (arg))
		1726	{
		1727	STRLEN svlen;
		1728	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1729	#ifdef IOCPARM_LEN
		1730	STRLEN need = IOCPARM_LEN (request);
		1731	#else
		1732	STRLEN need = 256;
		1733	#endif
		1734
		1735	if (svlen < need)
		1736	svptr = SvGROW (arg, need);
		1737	}
		1738	else
		1739	svptr = (char *)SvIV (arg);
		1740
		1741	{
		1742	dREQ;
		1743
		1744	req->type = ix;
		1745	req->sv1 = newSVsv (fh);
		1746	req->int1 = fd;
		1747	req->int2 = (long)request;
		1748	req->sv2 = SvREFCNT_inc (arg);
		1749	req->ptr2 = svptr;
		1750
		1751	REQ_SEND;
		1752	}
		1753	}
		1754
		1755	void
		1756	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1757	ALIAS:
		1758	aio_readlink = EIO_READLINK
		1759	aio_realpath = EIO_REALPATH
		1760	PPCODE:
		1761	{
786	dREQ;	1762	dREQ;
787		1763
788	req->type = EIO_READLINK;	1764	req->type = ix;
789	req->sv1 = newSVsv (path);	1765	req_set_path1 (req, pathname);
790	req->ptr1 = SvPVbyte_nolen (req->sv1);
791		1766
792	REQ_SEND;	1767	REQ_SEND;
793	}	1768	}
794		1769
795	void	1770	void
796	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1771	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
797	PROTOTYPE: $$$$;$
798	PPCODE:	1772	PPCODE:
799	{	1773	{
800	int ifd = extract_fd (in_fh , 0);	1774	int ifd = s_fileno_croak (in_fh , 0);
801	int ofd = extract_fd (out_fh, 0);	1775	int ofd = s_fileno_croak (out_fh, 1);
802	dREQ;	1776	dREQ;
803		1777
804	req->type = EIO_SENDFILE;	1778	req->type = EIO_SENDFILE;
805	req->sv1 = newSVsv (out_fh);	1779	req->sv1 = newSVsv (out_fh);
806	req->int1 = ofd;	1780	req->int1 = ofd;
807	req->sv2 = newSVsv (in_fh);	1781	req->sv2 = newSVsv (in_fh);
808	req->int2 = ifd;	1782	req->int2 = ifd;
809	req->offs = SvVAL64 (in_offset);	1783	req->offs = in_offset;
810	req->size = length;	1784	req->size = length;
811		1785
812	REQ_SEND;	1786	REQ_SEND;
813	}	1787	}
814		1788
815	void	1789	void
816	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1790	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
817	PROTOTYPE: $$$;$
818	PPCODE:	1791	PPCODE:
819	{	1792	{
820	int fd = extract_fd (fh, 0);	1793	int fd = s_fileno_croak (fh, 0);
821	dREQ;	1794	dREQ;
822		1795
823	req->type = EIO_READAHEAD;	1796	req->type = EIO_READAHEAD;
824	req->sv1 = newSVsv (fh);	1797	req->sv1 = newSVsv (fh);
825	req->int1 = fd;	1798	req->int1 = fd;
826	req->offs = SvVAL64 (offset);	1799	req->offs = offset;
827	req->size = length;	1800	req->size = length;
828		1801
829	REQ_SEND;	1802	REQ_SEND;
830	}	1803	}
831		1804
832	void	1805	void
833	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1806	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
834	ALIAS:	1807	ALIAS:
835	aio_stat = EIO_STAT	1808	aio_stat = EIO_STAT
836	aio_lstat = EIO_LSTAT	1809	aio_lstat = EIO_LSTAT
		1810	aio_statvfs = EIO_STATVFS
837	PPCODE:	1811	PPCODE:
838	{	1812	{
839	dREQ;	1813	dREQ;
840		1814
841	req->sv1 = newSVsv (fh_or_path);	1815	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
842
843	if (SvPOK (req->sv1))
844	{
845	req->type = ix;
846	req->ptr1 = SvPVbyte_nolen (req->sv1);
847	}
848	else
849	{
850	req->type = EIO_FSTAT;
851	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852	}
853		1816
854	REQ_SEND;	1817	REQ_SEND;
855	}	1818	}
856		1819
857	void	1820	void
		1821	st_xtime ()
		1822	ALIAS:
		1823	st_atime = 0x01
		1824	st_mtime = 0x02
		1825	st_ctime = 0x04
		1826	st_btime = 0x08
		1827	st_xtime = 0x0f
		1828	PPCODE:
		1829	EXTEND (SP, 4);
		1830	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1831	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1832	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1833	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1834
		1835	void
		1836	st_xtimensec ()
		1837	ALIAS:
		1838	st_atimensec = 0x01
		1839	st_mtimensec = 0x02
		1840	st_ctimensec = 0x04
		1841	st_btimensec = 0x08
		1842	st_xtimensec = 0x0f
		1843	st_btimesec = 0x10
		1844	st_gen = 0x20
		1845	PPCODE:
		1846	EXTEND (SP, 4);
		1847	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1848	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1849	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1850	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1851	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1852	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1853
		1854	UV
		1855	major (UV dev)
		1856	ALIAS:
		1857	minor = 1
		1858	CODE:
		1859	RETVAL = ix ? minor (dev) : major (dev);
		1860	OUTPUT:
		1861	RETVAL
		1862
		1863	UV
		1864	makedev (UV maj, UV min)
		1865	CODE:
		1866	RETVAL = makedev (maj, min);
		1867	OUTPUT:
		1868	RETVAL
		1869
		1870	void
858	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1871	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
859	PPCODE:	1872	PPCODE:
860	{	1873	{
861	dREQ;	1874	dREQ;
862		1875
863	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1876	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1877	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865	req->sv1 = newSVsv (fh_or_path);	1878	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
866
867	if (SvPOK (req->sv1))
868	{
869	req->type = EIO_UTIME;
870	req->ptr1 = SvPVbyte_nolen (req->sv1);
871	}
872	else
873	{
874	req->type = EIO_FUTIME;
875	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876	}
877		1879
878	REQ_SEND;	1880	REQ_SEND;
879	}	1881	}
880		1882
881	void	1883	void
882	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1884	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
883	PPCODE:	1885	PPCODE:
884	{	1886	{
885	dREQ;	1887	dREQ;
886		1888
887	req->sv1 = newSVsv (fh_or_path);
888	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1889	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889		1890	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
890	if (SvPOK (req->sv1))
891	{
892	req->type = EIO_TRUNCATE;
893	req->ptr1 = SvPVbyte_nolen (req->sv1);
894	}
895	else
896	{
897	req->type = EIO_FTRUNCATE;
898	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899	}
900		1891
901	REQ_SEND;	1892	REQ_SEND;
902	}	1893	}
903		1894
904	void	1895	void
905	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1896	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
906	ALIAS:
907	aio_chmod = EIO_CHMOD
908	aio_mkdir = EIO_MKDIR
909	PPCODE:	1897	PPCODE:
910	{	1898	{
911	dREQ;	1899	dREQ;
912		1900
913	req->int2 = mode;	1901	req->int2 = mode;
914	req->sv1 = newSVsv (fh_or_path);	1902	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
915
916	if (SvPOK (req->sv1))
917	{
918	req->type = ix;
919	req->ptr1 = SvPVbyte_nolen (req->sv1);
920	}
921	else
922	{
923	req->type = EIO_FCHMOD;
924	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
925	}
926		1903
927	REQ_SEND;	1904	REQ_SEND;
928	}	1905	}
929		1906
930	void	1907	void
931	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1908	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
932	PPCODE:	1909	PPCODE:
933	{	1910	{
934	dREQ;	1911	dREQ;
935		1912
936	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1913	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1914	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938	req->sv1 = newSVsv (fh_or_path);	1915	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
939
940	if (SvPOK (req->sv1))
941	{
942	req->type = EIO_CHOWN;
943	req->ptr1 = SvPVbyte_nolen (req->sv1);
944	}
945	else
946	{
947	req->type = EIO_FCHOWN;
948	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
949	}
950		1916
951	REQ_SEND;	1917	REQ_SEND;
952	}	1918	}
953		1919
954	void	1920	void
955	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1921	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
956	PPCODE:	1922	PPCODE:
957	{	1923	{
958	dREQ;	1924	dREQ;
959		1925
960	req->type = EIO_READDIR;	1926	req->type = EIO_READDIR;
961	req->sv1 = newSVsv (pathname);
962	req->ptr1 = SvPVbyte_nolen (req->sv1);
963	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1927	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
964		1928
965	if (flags & EIO_READDIR_DENTS)	1929	if (flags & EIO_READDIR_DENTS)
966	req->int1 |= EIO_READDIR_CUSTOM2;	1930	req->int1 |= EIO_READDIR_CUSTOM2;
967		1931
		1932	req_set_path1 (req, pathname);
		1933
968	REQ_SEND;	1934	REQ_SEND;
969	}	1935	}
970		1936
971	void	1937	void
		1938	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1939	PPCODE:
		1940	{
		1941	dREQ;
		1942
		1943	req->type = EIO_MKDIR;
		1944	req->int2 = mode;
		1945	req_set_path1 (req, pathname);
		1946
		1947	REQ_SEND;
		1948	}
		1949
		1950	void
972	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1951	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
973	ALIAS:	1952	ALIAS:
974	aio_unlink = EIO_UNLINK	1953	aio_unlink = EIO_UNLINK
975	aio_rmdir = EIO_RMDIR	1954	aio_rmdir = EIO_RMDIR
976	aio_readdir = EIO_READDIR	1955	aio_readdir = EIO_READDIR
977	PPCODE:	1956	PPCODE:
978	{	1957	{
979	dREQ;	1958	dREQ;
980		1959
981	req->type = ix;	1960	req->type = ix;
982	req->sv1 = newSVsv (pathname);	1961	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984		1962
985	REQ_SEND;	1963	REQ_SEND;
986	}	1964	}
987		1965
988	void	1966	void
989	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1967	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
990	ALIAS:	1968	ALIAS:
991	aio_link = EIO_LINK	1969	aio_link = EIO_LINK
992	aio_symlink = EIO_SYMLINK	1970	aio_symlink = EIO_SYMLINK
993	aio_rename = EIO_RENAME	1971	aio_rename = EIO_RENAME
994	PPCODE:	1972	PPCODE:
995	{	1973	{
		1974	eio_wd wd2 = 0;
996	dREQ;	1975	dREQ;
997		1976
998	req->type = ix;	1977	req->type = ix;
999	req->sv1 = newSVsv (oldpath);	1978	req_set_path1 (req, oldpath);
1000	req->ptr1 = SvPVbyte_nolen (req->sv1);	1979	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001	req->sv2 = newSVsv (newpath);	1980	req->int3 = (long)wd2;
1002	req->ptr2 = SvPVbyte_nolen (req->sv2);
1003		1981
1004	REQ_SEND;	1982	REQ_SEND;
1005	}	1983	}
1006		1984
1007	void	1985	void
		1986	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1987	PPCODE:
		1988	{
		1989	eio_wd wd2 = 0;
		1990	dREQ;
		1991
		1992	req->type = EIO_RENAME;
		1993	req_set_path1 (req, oldpath);
		1994	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1995	req->int2 = flags;
		1996	req->int3 = (long)wd2;
		1997
		1998	REQ_SEND;
		1999	}
		2000
		2001	void
1008	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	2002	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1009	PPCODE:	2003	PPCODE:
1010	{	2004	{
1011	dREQ;	2005	dREQ;
1012		2006
1013	req->type = EIO_MKNOD;	2007	req->type = EIO_MKNOD;
1014	req->sv1 = newSVsv (pathname);
1015	req->ptr1 = SvPVbyte_nolen (req->sv1);
1016	req->int2 = (mode_t)mode;	2008	req->int2 = (mode_t)mode;
1017	req->offs = dev;	2009	req->offs = dev;
		2010	req_set_path1 (req, pathname);
1018		2011
1019	REQ_SEND;	2012	REQ_SEND;
1020	}	2013	}
1021		2014
1022	void	2015	void
		2016	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
		2017	ALIAS:
		2018	aio_mtouch = EIO_MTOUCH
		2019	aio_msync = EIO_MSYNC
		2020	PPCODE:
		2021	{
		2022	STRLEN svlen;
		2023	char *svptr = SvPVbyte (data, svlen);
		2024	UV len = SvUV (length);
		2025
		2026	if (flags < 0)
		2027	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
		2028
		2029	if (offset < 0)
		2030	offset += svlen;
		2031
		2032	if (offset < 0 || offset > svlen)
		2033	croak ("offset outside of scalar");
		2034
		2035	if (!SvOK (length) || len + offset > svlen)
		2036	len = svlen - offset;
		2037
		2038	{
		2039	dREQ;
		2040
		2041	req->type = ix;
		2042	req->sv2 = SvREFCNT_inc (data);
		2043	req->ptr2 = (char *)svptr + offset;
		2044	req->size = len;
		2045	req->int1 = flags;
		2046
		2047	REQ_SEND;
		2048	}
		2049	}
		2050
		2051	void
		2052	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		2053	PPCODE:
		2054	{
		2055	STRLEN svlen;
		2056	char *svptr = SvPVbyte (data, svlen);
		2057	UV len = SvUV (length);
		2058
		2059	if (offset < 0)
		2060	offset += svlen;
		2061
		2062	if (offset < 0 || offset > svlen)
		2063	croak ("offset outside of scalar");
		2064
		2065	if (!SvOK (length) || len + offset > svlen)
		2066	len = svlen - offset;
		2067
		2068	{
		2069	dREQ;
		2070
		2071	req->type = EIO_MLOCK;
		2072	req->sv2 = SvREFCNT_inc (data);
		2073	req->ptr2 = (char *)svptr + offset;
		2074	req->size = len;
		2075
		2076	REQ_SEND;
		2077	}
		2078	}
		2079
		2080	void
		2081	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		2082	PPCODE:
		2083	{
		2084	dREQ;
		2085
		2086	req->type = EIO_MLOCKALL;
		2087	req->int1 = flags;
		2088
		2089	REQ_SEND;
		2090	}
		2091
		2092	void
		2093	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		2094	PPCODE:
		2095	{
		2096	int fd = s_fileno_croak (fh, 0);
		2097	dREQ;
		2098
		2099	req->type = EIO_CUSTOM;
		2100	req->sv1 = newSVsv (fh);
		2101	req->int1 = fd;
		2102
		2103	req->feed = fiemap;
		2104	#if HAVE_FIEMAP
		2105	/* keep our fingers crossed that the next two types are 64 bit */
		2106	req->offs = start;
		2107	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		2108	req->int2 = flags;
		2109	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2110	#endif
		2111
		2112	REQ_SEND;
		2113	}
		2114
		2115	void
		2116	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2117	PPCODE:
		2118	{
		2119	char *svptr = 0;
		2120
		2121	sv_clear_foreign (data);
		2122
		2123	if (length) /* known length, directly read into scalar */
		2124	{
		2125	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2126	svptr = sv_grow (data, length + 1);
		2127	else if (SvCUR (data) < length)
		2128	croak ("length outside of scalar, and cannot grow");
		2129	else
		2130	svptr = SvPVbyte_nolen (data);
		2131	}
		2132
		2133	{
		2134	dREQ;
		2135
		2136	req->type = EIO_SLURP;
		2137	req_set_path1 (req, pathname);
		2138	req->offs = offset;
		2139	req->size = length;
		2140	req->sv2 = SvREFCNT_inc (data);
		2141	req->ptr2 = svptr;
		2142
		2143	if (!SvREADONLY (data))
		2144	{
		2145	SvREADONLY_on (data);
		2146	req->flags |= FLAG_SV2_RO_OFF;
		2147	}
		2148
		2149	REQ_SEND;
		2150	}
		2151	}
		2152
		2153	void
1023	aio_busy (double delay, SV *callback=&PL_sv_undef)	2154	aio_busy (double delay, SV *callback = &PL_sv_undef)
1024	PPCODE:	2155	PPCODE:
1025	{	2156	{
1026	dREQ;	2157	dREQ;
1027		2158
1028	req->type = EIO_BUSY;	2159	req->type = EIO_BUSY;
…		…
1030		2161
1031	REQ_SEND;	2162	REQ_SEND;
1032	}	2163	}
1033		2164
1034	void	2165	void
1035	aio_group (SV *callback=&PL_sv_undef)	2166	aio_group (SV *callback = &PL_sv_undef)
1036	PROTOTYPE: ;$
1037	PPCODE:	2167	PPCODE:
1038	{	2168	{
1039	dREQ;	2169	dREQ;
1040		2170
1041	req->type = EIO_GROUP;	2171	req->type = EIO_GROUP;
1042		2172
		2173	PUTBACK;
1043	req_submit (req);	2174	req_submit (req);
		2175	SPAGAIN;
		2176
1044	XPUSHs (req_sv (req, AIO_GRP_KLASS));	2177	XPUSHs (req_sv (req, aio_grp_stash));
1045	}	2178	}
1046		2179
1047	void	2180	void
1048	aio_nop (SV *callback=&PL_sv_undef)	2181	aio_nop (SV *callback = &PL_sv_undef)
1049	ALIAS:	2182	ALIAS:
1050	aio_nop = EIO_NOP	2183	aio_nop = EIO_NOP
1051	aio_sync = EIO_SYNC	2184	aio_sync = EIO_SYNC
1052	PPCODE:	2185	PPCODE:
1053	{	2186	{
…		…
1057		2190
1058	REQ_SEND;	2191	REQ_SEND;
1059	}	2192	}
1060		2193
1061	int	2194	int
1062	aioreq_pri (int pri = 0)	2195	aioreq_pri (int pri = NO_INIT)
1063	PROTOTYPE: ;$
1064	CODE:	2196	CODE:
1065	RETVAL = next_pri;	2197	RETVAL = next_pri;
1066	if (items > 0)	2198	if (items > 0)
1067	{	2199	{
1068	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2200	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1080	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	2212	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081	next_pri = nice;	2213	next_pri = nice;
1082		2214
1083	void	2215	void
1084	flush ()	2216	flush ()
1085	PROTOTYPE:
1086	CODE:	2217	CODE:
1087	while (eio_nreqs ())	2218	while (eio_nreqs ())
1088	{	2219	{
1089	poll_wait ();	2220	poll_wait ();
1090	poll_cb ();	2221	poll_cb ();
1091	}	2222	}
1092		2223
1093	int	2224	int
1094	poll()	2225	poll ()
1095	PROTOTYPE:
1096	CODE:	2226	CODE:
1097	poll_wait ();	2227	poll_wait ();
1098	RETVAL = poll_cb ();	2228	RETVAL = poll_cb ();
1099	OUTPUT:	2229	OUTPUT:
1100	RETVAL	2230	RETVAL
1101		2231
1102	int	2232	int
1103	poll_fileno()	2233	poll_fileno ()
1104	PROTOTYPE:
1105	CODE:	2234	CODE:
1106	RETVAL = respipe [0];	2235	RETVAL = s_epipe_fd (&respipe);
1107	OUTPUT:	2236	OUTPUT:
1108	RETVAL	2237	RETVAL
1109		2238
1110	int	2239	int
1111	poll_cb(...)	2240	poll_cb (...)
1112	PROTOTYPE:	2241	PROTOTYPE:
1113	CODE:	2242	CODE:
1114	RETVAL = poll_cb ();	2243	RETVAL = poll_cb ();
1115	OUTPUT:	2244	OUTPUT:
1116	RETVAL	2245	RETVAL
1117		2246
1118	void	2247	void
1119	poll_wait()	2248	poll_wait ()
1120	PROTOTYPE:
1121	CODE:	2249	CODE:
1122	poll_wait ();	2250	poll_wait ();
1123		2251
1124	int	2252	int
1125	nreqs()	2253	nreqs ()
1126	PROTOTYPE:
1127	CODE:	2254	CODE:
1128	RETVAL = eio_nreqs ();	2255	RETVAL = eio_nreqs ();
1129	OUTPUT:	2256	OUTPUT:
1130	RETVAL	2257	RETVAL
1131		2258
1132	int	2259	int
1133	nready()	2260	nready ()
1134	PROTOTYPE:
1135	CODE:	2261	CODE:
1136	RETVAL = eio_nready ();	2262	RETVAL = eio_nready ();
1137	OUTPUT:	2263	OUTPUT:
1138	RETVAL	2264	RETVAL
1139		2265
1140	int	2266	int
1141	npending()	2267	npending ()
1142	PROTOTYPE:
1143	CODE:	2268	CODE:
1144	RETVAL = eio_npending ();	2269	RETVAL = eio_npending ();
1145	OUTPUT:	2270	OUTPUT:
1146	RETVAL	2271	RETVAL
1147		2272
1148	int	2273	int
1149	nthreads()	2274	nthreads ()
1150	PROTOTYPE:
1151	CODE:	2275	CODE:
1152	RETVAL = eio_nthreads ();	2276	RETVAL = eio_nthreads ();
1153	OUTPUT:	2277	OUTPUT:
1154	RETVAL	2278	RETVAL
1155		2279
		2280	int
		2281	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		2282	CODE:
		2283	RETVAL = posix_fadvise (fh, offset, length, advice);
		2284	OUTPUT:
		2285	RETVAL
		2286
		2287	IV
		2288	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		2289	CODE:
		2290	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		2291	OUTPUT:
		2292	RETVAL
		2293
		2294	void
		2295	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		2296	PPCODE:
		2297	sv_clear_foreign (scalar);
		2298	{
		2299	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		2300	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		2301	if (addr == (void *)-1)
		2302	XSRETURN_NO;
		2303
		2304	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
		2305
		2306	if (!(prot & PROT_WRITE))
		2307	SvREADONLY_on (scalar);
		2308
		2309	XSRETURN_YES;
		2310	}
		2311
		2312	void
		2313	munmap (SV *scalar)
		2314	CODE:
		2315	sv_clear_foreign (scalar);
		2316
		2317	SV *
		2318	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2319	CODE:
		2320	{
		2321	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2322	void *new;
		2323
		2324	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2325	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2326
		2327	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2328
		2329	RETVAL = &PL_sv_no;
		2330
		2331	if (new != (void *)-1)
		2332	{
		2333	RETVAL = new == (void *)mg->mg_ptr
		2334	? newSVpvn ("0 but true", 10)
		2335	: &PL_sv_yes;
		2336
		2337	mg->mg_ptr = (char *)new;
		2338	mg->mg_obj = (SV *)new_length;
		2339
		2340	SvPVX (scalar) = mg->mg_ptr;
		2341	SvCUR_set (scalar, new_length);
		2342	}
		2343	}
		2344	OUTPUT:
		2345	RETVAL
		2346
		2347	int
		2348	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		2349	ALIAS:
		2350	mprotect = 1
		2351	CODE:
		2352	{
		2353	STRLEN svlen;
		2354	void *addr = SvPVbyte (scalar, svlen);
		2355	STRLEN len = SvUV (length);
		2356
		2357	if (offset < 0)
		2358	offset += svlen;
		2359
		2360	if (offset < 0 || offset > svlen)
		2361	croak ("offset outside of scalar");
		2362
		2363	if (!SvOK (length) || len + offset > svlen)
		2364	len = svlen - offset;
		2365
		2366	addr = (void *)(((intptr_t)addr) + offset);
		2367	eio_page_align (&addr, &len);
		2368
		2369	switch (ix)
		2370	{
		2371	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		2372	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		2373	}
		2374	}
		2375	OUTPUT:
		2376	RETVAL
		2377
		2378	int
		2379	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
		2380	CODE:
		2381	{
		2382	STRLEN svlen;
		2383	void *addr = SvPVbyte (scalar, svlen);
		2384	size_t len = SvUV (length);
		2385
		2386	if (offset < 0)
		2387	offset += svlen;
		2388
		2389	if (offset < 0 || offset > svlen)
		2390	croak ("offset outside of scalar");
		2391
		2392	if (!SvOK (length) || len + offset > svlen)
		2393	len = svlen - offset;
		2394
		2395	addr = (void *)(((intptr_t)addr) + offset);
		2396	eio_page_align (&addr, &len);
		2397	#if _POSIX_MEMLOCK_RANGE
		2398	RETVAL = munlock (addr, len);
		2399	#else
		2400	RETVAL = EIO_ENOSYS ();
		2401	#endif
		2402	}
		2403	OUTPUT:
		2404	RETVAL
		2405
		2406	int
		2407	mlockall (int flags)
		2408	PROTOTYPE: $;
		2409	CODE:
		2410	RETVAL = eio_mlockall_sync (flags);
		2411	OUTPUT:
		2412	RETVAL
		2413
		2414	int
		2415	munlockall ()
		2416	CODE:
		2417	#if _POSIX_MEMLOCK
		2418	munlockall ();
		2419	#else
		2420	RETVAL = EIO_ENOSYS ();
		2421	#endif
		2422	OUTPUT:
		2423	RETVAL
		2424
		2425	int
		2426	statx (SV8 *pathname, int flags, UV mask)
		2427	CODE:
		2428	{
		2429	/* undocumented, and might go away, and anyway, should use eio_statx */
		2430	SV *wdsv = 0;
		2431	SV *pathsv = 0;
		2432	eio_wd wd = EIO_CWD;
		2433	void *ptr;
		2434	int res;
		2435
		2436	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2437	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2438
		2439	SvREFCNT_dec (pathsv);
		2440	SvREFCNT_dec (wdsv);
		2441	}
		2442	OUTPUT:
		2443	RETVAL
		2444
		2445	U32
		2446	stx_mode ()
		2447	PROTOTYPE:
		2448	CODE:
		2449	#if HAVE_STATX
		2450	RETVAL = stx.stx_mode;
		2451	#else
		2452	XSRETURN_UNDEF;
		2453	#endif
		2454	OUTPUT:
		2455	RETVAL
		2456
		2457	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2458	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2459	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2460	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2461	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2462	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2463	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2464	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2465	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2466	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2467	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2468	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2469	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2470	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2471	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2472	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2473	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2474	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2475
		2476	U32
		2477	stx_mask ()
		2478	PROTOTYPE:
		2479	ALIAS:
		2480	stx_mask = STATX_OFFSET_mask
		2481	stx_blksize = STATX_OFFSET_blksize
		2482	stx_nlink = STATX_OFFSET_nlink
		2483	stx_uid = STATX_OFFSET_uid
		2484	stx_gid = STATX_OFFSET_gid
		2485	stx_rdev_major = STATX_OFFSET_rdev_major
		2486	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2487	stx_dev_major = STATX_OFFSET_dev_major
		2488	stx_dev_minor = STATX_OFFSET_dev_minor
		2489	CODE:
		2490	#if HAVE_STATX
		2491	RETVAL = *(__u32 *)((char *)&stx + ix);
		2492	#else
		2493	XSRETURN_UNDEF;
		2494	#endif
		2495	OUTPUT:
		2496	RETVAL
		2497
		2498	VAL64
		2499	stx_attributes ()
		2500	PROTOTYPE:
		2501	ALIAS:
		2502	stx_attributes = STATX_OFFSET_attributes
		2503	stx_ino = STATX_OFFSET_ino
		2504	stx_size = STATX_OFFSET_size
		2505	stx_blocks = STATX_OFFSET_blocks
		2506	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2507	CODE:
		2508	#if HAVE_STATX
		2509	RETVAL = *(__u64 *)((char *)&stx + ix);
		2510	#else
		2511	XSRETURN_UNDEF;
		2512	#endif
		2513	OUTPUT:
		2514	RETVAL
		2515
		2516	NV
		2517	stx_atime ()
		2518	PROTOTYPE:
		2519	ALIAS:
		2520	stx_atime = STATX_OFFSET_atime
		2521	stx_btime = STATX_OFFSET_btime
		2522	stx_ctime = STATX_OFFSET_ctime
		2523	stx_mtime = STATX_OFFSET_mtime
		2524	CODE:
		2525	#if HAVE_STATX
		2526	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2527	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2528	#else
		2529	XSRETURN_UNDEF;
		2530	#endif
		2531	OUTPUT:
		2532	RETVAL
		2533
		2534	VAL64
		2535	stx_atimesec ()
		2536	PROTOTYPE:
		2537	ALIAS:
		2538	stx_atimesec = STATX_OFFSET_atime
		2539	stx_btimesec = STATX_OFFSET_btime
		2540	stx_ctimesec = STATX_OFFSET_ctime
		2541	stx_mtimesec = STATX_OFFSET_mtime
		2542	CODE:
		2543	#if HAVE_STATX
		2544	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2545	RETVAL = ts->tv_sec;
		2546	#else
		2547	XSRETURN_UNDEF;
		2548	#endif
		2549	OUTPUT:
		2550	RETVAL
		2551
		2552	U32
		2553	stx_atimensec ()
		2554	PROTOTYPE:
		2555	ALIAS:
		2556	stx_atimensec = STATX_OFFSET_atime
		2557	stx_btimensec = STATX_OFFSET_btime
		2558	stx_ctimensec = STATX_OFFSET_ctime
		2559	stx_mtimensec = STATX_OFFSET_mtime
		2560	CODE:
		2561	#if HAVE_STATX
		2562	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2563	RETVAL = ts->tv_nsec;
		2564	#else
		2565	RETVAL = 0;
		2566	#endif
		2567	OUTPUT:
		2568	RETVAL
		2569
		2570	void
		2571	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2572	PPCODE:
		2573	{
		2574	SV *retval;
		2575	#if HAVE_ACCEPT4
		2576	socklen_t salen_ = salen ? salen + 1 : 0;
		2577
		2578	if (salen)
		2579	{
		2580	sv_upgrade (sockaddr, SVt_PV);
		2581	sv_grow (sockaddr, salen_);
		2582	}
		2583
		2584	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2585
		2586	retval = newmortalFH (res, O_RDWR);
		2587
		2588	if (res >= 0 && salen > 0)
		2589	{
		2590	if (salen_ > salen + 1)
		2591	salen_ = salen + 1;
		2592
		2593	SvPOK_only (sockaddr);
		2594	SvCUR_set (sockaddr, salen_);
		2595	}
		2596	#else
		2597	errno = ENOSYS;
		2598	retval = &PL_sv_undef;
		2599	#endif
		2600	XPUSHs (retval);
		2601	}
		2602
		2603	ssize_t
		2604	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2605	CODE:
		2606	{
		2607	#if HAVE_LINUX_SPLICE
		2608	loff_t off_in_, off_out_;
		2609	RETVAL = splice (
		2610	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2611	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2612	length, flags
		2613	);
		2614	#else
		2615	RETVAL = EIO_ENOSYS ();
		2616	#endif
		2617	}
		2618	OUTPUT:
		2619	RETVAL
		2620
		2621	ssize_t
		2622	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2623	CODE:
		2624	#if HAVE_LINUX_SPLICE
		2625	RETVAL = tee (rfh, wfh, length, flags);
		2626	#else
		2627	RETVAL = EIO_ENOSYS ();
		2628	#endif
		2629	OUTPUT:
		2630	RETVAL
		2631
		2632	int
		2633	pipesize (aio_rfd rfh, int new_size = -1)
		2634	PROTOTYPE: $;$
		2635	CODE:
		2636	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2637	if (new_size >= 0)
		2638	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2639	else
		2640	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2641	#else
		2642	errno = ENOSYS;
		2643	RETVAL = -1;
		2644	#endif
		2645	OUTPUT:
		2646	RETVAL
		2647
		2648	void
		2649	pipe2 (int flags = 0)
		2650	PROTOTYPE: ;$
		2651	PPCODE:
		2652	{
		2653	int fd[2];
		2654	int res;
		2655
		2656	if (flags)
		2657	#if HAVE_PIPE2
		2658	res = pipe2 (fd, flags);
		2659	#else
		2660	res = (errno = ENOSYS, -1);
		2661	#endif
		2662	else
		2663	res = pipe (fd);
		2664
		2665	if (!res)
		2666	{
		2667	EXTEND (SP, 2);
		2668	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2669	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2670	}
		2671	}
		2672
		2673	void
		2674	pidfd_open (int pid, unsigned int flags = 0)
		2675	PPCODE:
		2676	{
		2677	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2678	int fd = syscall (SYS_pidfd_open, pid, flags);
		2679	XPUSHs (newmortalFH (fd, O_RDWR));
		2680	}
		2681
		2682	int
		2683	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2684	PPCODE:
		2685	{
		2686	#if HAVE_SIGINFO_T
		2687	int res;
		2688	siginfo_t si = { 0 };
		2689
		2690	if (SvOK (siginfo))
		2691	{
		2692	HV *hv;
		2693	SV **svp;
		2694
		2695	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2696	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2697
		2698	hv = (HV *)SvRV (siginfo);
		2699
		2700	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2701	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2702	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2703	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2704	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2705	}
		2706
		2707	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2708	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2709	#else
		2710	res = (errno = ENOSYS, -1);
		2711	#endif
		2712
		2713	XPUSHs (sv_2mortal (newSViv (res)));
		2714	}
		2715
		2716	void
		2717	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2718	PPCODE:
		2719	{
		2720	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2721	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2722	XPUSHs (newmortalFH (fd, O_RDWR));
		2723	}
		2724
		2725	void
		2726	eventfd (unsigned int initval = 0, int flags = 0)
		2727	PPCODE:
		2728	{
		2729	int fd;
		2730	#if HAVE_EVENTFD
		2731	fd = eventfd (initval, flags);
		2732	#else
		2733	fd = (errno = ENOSYS, -1);
		2734	#endif
		2735
		2736	XPUSHs (newmortalFH (fd, O_RDWR));
		2737	}
		2738
		2739	void
		2740	timerfd_create (int clockid, int flags = 0)
		2741	PPCODE:
		2742	{
		2743	int fd;
		2744	#if HAVE_TIMERFD
		2745	fd = timerfd_create (clockid, flags);
		2746	#else
		2747	fd = (errno = ENOSYS, -1);
		2748	#endif
		2749
		2750	XPUSHs (newmortalFH (fd, O_RDWR));
		2751	}
		2752
		2753	void
		2754	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2755	PPCODE:
		2756	{
		2757	int fd = s_fileno_croak (fh, 0);
		2758	#if HAVE_TIMERFD
		2759	int res;
		2760	struct itimerspec its, ots;
		2761
		2762	ts_set (&its.it_interval, interval);
		2763	ts_set (&its.it_value , value);
		2764	res = timerfd_settime (fd, flags, &its, &ots);
		2765
		2766	if (!res)
		2767	{
		2768	EXTEND (SP, 2);
		2769	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2770	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2771	}
		2772	#else
		2773	errno = ENOSYS;
		2774	#endif
		2775	}
		2776
		2777	void
		2778	timerfd_gettime (SV *fh)
		2779	PPCODE:
		2780	{
		2781	int fd = s_fileno_croak (fh, 0);
		2782	#if HAVE_TIMERFD
		2783	int res;
		2784	struct itimerspec ots;
		2785	res = timerfd_gettime (fd, &ots);
		2786
		2787	if (!res)
		2788	{
		2789	EXTEND (SP, 2);
		2790	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2791	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2792	}
		2793	#else
		2794	errno = ENOSYS;
		2795	#endif
		2796	}
		2797
		2798	void
		2799	memfd_create (SV8 *pathname, int flags = 0)
		2800	PPCODE:
		2801	{
		2802	int fd;
		2803	#if HAVE_MEMFD_CREATE
		2804	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2805	#else
		2806	fd = (errno = ENOSYS, -1);
		2807	#endif
		2808
		2809	XPUSHs (newmortalFH (fd, O_RDWR));
		2810	}
		2811
		2812	UV
		2813	get_fdlimit ()
		2814	CODE:
		2815	#if HAVE_RLIMITS
		2816	struct rlimit rl;
		2817	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2818	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2819	#endif
		2820	XSRETURN_UNDEF;
		2821	OUTPUT:
		2822	RETVAL
		2823
		2824	void
		2825	min_fdlimit (UV limit = 0x7fffffffU)
		2826	CODE:
		2827	{
		2828	#if HAVE_RLIMITS
		2829	struct rlimit rl;
		2830	rlim_t orig_rlim_max;
		2831	UV bit;
		2832
		2833	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2834	goto fail;
		2835
		2836	if (rl.rlim_cur == RLIM_INFINITY)
		2837	XSRETURN_YES;
		2838
		2839	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2840
		2841	if (rl.rlim_cur < limit)
		2842	{
		2843	rl.rlim_cur = limit;
		2844
		2845	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2846	rl.rlim_max = rl.rlim_cur;
		2847	}
		2848
		2849	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2850	XSRETURN_YES;
		2851
		2852	if (errno == EPERM)
		2853	{
		2854	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2855	/* our limit overflows a system-wide limit */
		2856	/* try an adaptive algorithm, but do not lower the hardlimit */
		2857	rl.rlim_max = 0;
		2858	for (bit = 0x40000000U; bit; bit >>= 1)
		2859	{
		2860	rl.rlim_max |= bit;
		2861	rl.rlim_cur = rl.rlim_max;
		2862
		2863	/* never decrease the hard limit */
		2864	if (rl.rlim_max < orig_rlim_max)
		2865	break;
		2866
		2867	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2868	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2869	}
		2870
		2871	/* now, raise the soft limit to the max permitted */
		2872	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2873	{
		2874	rl.rlim_cur = rl.rlim_max;
		2875	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2876	errno = EPERM;
		2877	}
		2878	}
		2879	#endif
		2880	fail:
		2881	XSRETURN_UNDEF;
		2882	}
		2883
1156	void _on_next_submit (SV *cb)	2884	void _on_next_submit (SV *cb)
1157	CODE:	2885	CODE:
1158	SvREFCNT_dec (on_next_submit);	2886	SvREFCNT_dec (on_next_submit);
1159	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2887	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160		2888
1161	PROTOTYPES: DISABLE	2889	PROTOTYPES: DISABLE
1162		2890
		2891	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2892
		2893	BOOT:
		2894	{
		2895	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2896	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2897	}
		2898
		2899	void
		2900	DESTROY (SV *self)
		2901	CODE:
		2902	{
		2903	aio_wd wd = SvAIO_WD (self);
		2904	#if HAVE_AT
		2905	{
		2906	SV *callback = &PL_sv_undef;
		2907	dREQ; /* clobbers next_pri :/ */
		2908	next_pri = req->pri; /* restore next_pri */
		2909	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2910	req->type = EIO_WD_CLOSE;
		2911	req->wd = wd;
		2912	REQ_SEND;
		2913	}
		2914	#else
		2915	eio_wd_close_sync (wd);
		2916	#endif
		2917	}
		2918
1163	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2919	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164		2920
1165	void	2921	void
1166	cancel (aio_req_ornot req)	2922	cancel (aio_req_ornot req)
1167	CODE:	2923	CODE:
1168	eio_cancel (req);	2924	eio_cancel (req);
1169		2925
1170	void	2926	void
1171	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2927	cb (aio_req_ornot req, SV *callback = NO_INIT)
1172	PPCODE:	2928	PPCODE:
1173	{	2929	{
1174	if (GIMME_V != G_VOID)	2930	if (GIMME_V != G_VOID)
1175	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2931	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176		2932
…		…
1241	limit (aio_req grp, int limit)	2997	limit (aio_req grp, int limit)
1242	CODE:	2998	CODE:
1243	eio_grp_limit (grp, limit);	2999	eio_grp_limit (grp, limit);
1244		3000
1245	void	3001	void
1246	feed (aio_req grp, SV *callback=&PL_sv_undef)	3002	feed (aio_req grp, SV *callback = &PL_sv_undef)
1247	CODE:	3003	CODE:
1248	{	3004	{
1249	SvREFCNT_dec (grp->sv2);	3005	SvREFCNT_dec (grp->sv2);
1250	grp->sv2 = newSVsv (callback);	3006	grp->sv2 = newSVsv (callback);
1251	grp->feed = aio_grp_feed;	3007	grp->feed = aio_grp_feed;

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