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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 2019 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"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19		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
20	/* perl namespace pollution */	38	/* perl namespace pollution */
21	#undef VERSION	39	#undef VERSION
22
23	#ifdef _WIN32
24
25	# define EIO_STRUCT_DIRENT Direntry_t
26	# undef malloc
27	# undef free
28
29	// perl overrides all those nice win32 functions
30	# undef open
31	# undef read
32	# undef write
33	# undef send
34	# undef recv
35	# undef stat
36	# undef fstat
37	# define lstat stat
38	# undef truncate
39	# undef ftruncate
40	# undef open
41	# undef close
42	# undef unlink
43	# undef rmdir
44	# undef rename
45	# undef lseek
46
47	# define chown(a,b,c) (errno = ENOSYS, -1)
48	# define fchown(a,b,c) (errno = ENOSYS, -1)
49	# define fchmod(a,b) (errno = ENOSYS, -1)
50	# define symlink(a,b) (errno = ENOSYS, -1)
51	# define readlink(a,b,c) (errno = ENOSYS, -1)
52	# define mknod(a,b,c) (errno = ENOSYS, -1)
53	# define truncate(a,b) (errno = ENOSYS, -1)
54	# define ftruncate(fd,o) chsize ((fd), (o))
55	# define fsync(fd) _commit (fd)
56	# define opendir(fd) (errno = ENOSYS, 0)
57	# define readdir(fd) (errno = ENOSYS, -1)
58	# define closedir(fd) (errno = ENOSYS, -1)
59	# define mkdir(a,b) mkdir (a)
60
61	#else
62
63	# include <sys/time.h>
64	# include <sys/select.h>
65	# include <unistd.h>
66	# include <utime.h>
67	# include <signal.h>
68	# define EIO_STRUCT_DIRENT struct dirent
69
70	#endif
71		40
72	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
73	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
74	#undef readdir	43	#undef readdir
75	#undef opendir	44	#undef opendir
76	#undef closedir	45	#undef closedir
77		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
78	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STATI64
79		84
80	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8
82	# define VAL64 IV
83	# define SvVAL64 SvIV
84	# define newSVval64 newSViv
85	#else	85	#else
86	# define VAL64 NV	86
87	# define SvVAL64 SvNV	87	#include <sys/time.h>
88	# define newSVval64 newSVnv	88	#include <sys/select.h>
		89	#include <unistd.h>
		90	#include <utime.h>
		91	#include <signal.h>
		92
		93	#define EIO_STRUCT_STAT Stat_t
		94
89	#endif	95	#endif
90		96
91	/*****************************************************************************/	97	/*****************************************************************************/
92		98
93	#if __GNUC__ >= 3	99	#if __GNUC__ >= 3
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
101		107
102	/*****************************************************************************/	108	/*****************************************************************************/
103		109
		110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_ST_XTIMENSEC
		123	# define ATIMENSEC PL_statcache.st_atimensec
		124	# define MTIMENSEC PL_statcache.st_mtimensec
		125	# define CTIMENSEC PL_statcache.st_ctimensec
		126	#elif HAVE_ST_XTIMESPEC
		127	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		128	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		129	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		130	#else
		131	# define ATIMENSEC 0
		132	# define MTIMENSEC 0
		133	# define CTIMENSEC 0
		134	#endif
		135
		136	#if HAVE_ST_BIRTHTIMENSEC
		137	# define BTIMESEC PL_statcache.st_birthtime
		138	# define BTIMENSEC PL_statcache.st_birthtimensec
		139	#elif HAVE_ST_BIRTHTIMESPEC
		140	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		141	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		142	#else
		143	# define BTIMESEC 0
		144	# define BTIMENSEC 0
		145	#endif
		146
		147	#if HAVE_ST_GEN
		148	# define ST_GEN PL_statcache.st_gen
		149	#else
		150	# define ST_GEN 0
		151	#endif
		152
		153	#include "schmorp.h"
		154
		155	#if HAVE_EVENTFD
		156	# include <sys/eventfd.h>
		157	#endif
		158
		159	#if HAVE_TIMERFD
		160	# include <sys/timerfd.h>
		161	#endif
		162
		163	#if HAVE_RLIMITS
		164	#include <sys/time.h>
		165	#include <sys/resource.h>
		166	#endif
		167
104	typedef SV SV8; /* byte-sv, used for argument-checking */	168	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	169	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	170	typedef int aio_wfd; /* write file descriptor */
107		171
108	static HV aio_stash, aio_req_stash, *aio_grp_stash;	172	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
109		173
110	#define EIO_REQ_MEMBERS \	174	#define EIO_REQ_MEMBERS \
111	SV *callback; \	175	SV *callback; \
112	SV sv1, sv2; \	176	SV sv1, sv2; \
		177	SV sv3, sv4; \
113	STRLEN stroffset; \	178	STRLEN stroffset; \
114	SV *self;	179	SV *self;
115		180
116	#define EIO_NO_WRAPPERS 1	181	#define EIO_NO_WRAPPERS 1
117		182
118	#include "libeio/eio.h"	183	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	# define NO_FADVISE 1
123	#endif
124
125	#ifndef POSIX_FADV_SEQUENTIAL
126	# define POSIX_FADV_SEQUENTIAL 0
127	#endif
128
129	#ifndef POSIX_FADV_RANDOM
130	# define POSIX_FADV_RANDOM 0
131	#endif
132
133	#ifndef POSIX_FADV_NOREUSE
134	# define POSIX_FADV_NOREUSE 0
135	#endif
136
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		184
145	static int req_invoke (eio_req *req);	185	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	186	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	187	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	188	#define EIO_DESTROY(req) req_destroy (req)
149		189
		190	#include "libeio/eio.c"
		191
		192	#if !HAVE_POSIX_FADVISE
		193	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		194	#endif
		195
		196	#if !HAVE_POSIX_MADVISE
		197	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		198	#endif
		199
		200	#ifndef MAP_ANONYMOUS
		201	# ifdef MAP_ANON
		202	# define MAP_ANONYMOUS MAP_ANON
		203	# else
		204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		205	# endif
		206	#endif
		207
		208	#ifndef makedev
		209	# define makedev(maj,min) (((maj) << 8) \| (min))
		210	#endif
		211	#ifndef major
		212	# define major(dev) ((dev) >> 8)
		213	#endif
		214	#ifndef minor
		215	# define minor(dev) ((dev) & 0xff)
		216	#endif
		217
		218	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		219	#ifdef __sun
		220	# undef PAGESIZE
		221	#endif
		222
		223	#if PAGESIZE <= 0
		224	# define PAGESIZE sysconf (_SC_PAGESIZE)
		225	#endif
		226
		227	/*****************************************************************************/
		228
		229	#if !_POSIX_MAPPED_FILES
		230	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		231	# define munmap(addr,length) EIO_ENOSYS ()
		232	#endif
		233
		234	#if !_POSIX_MEMORY_PROTECTION
		235	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !MREMAP_MAYMOVE
		239	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		240	#endif
		241
		242	#define FOREIGN_MAGIC PERL_MAGIC_ext
		243
		244	static int ecb_cold
		245	mmap_free (pTHX_ SV sv, MAGIC mg)
		246	{
		247	int old_errno = errno;
		248	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		249	errno = old_errno;
		250
		251	mg->mg_obj = 0; /* just in case */
		252
		253	SvREADONLY_off (sv);
		254
		255	if (SvPVX (sv) != mg->mg_ptr)
		256	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		257
		258	SvCUR_set (sv, 0);
		259	SvPVX (sv) = 0;
		260	SvOK_off (sv);
		261
		262	return 0;
		263	}
		264
		265	static MGVTBL mmap_vtbl = {
		266	0, 0, 0, 0, mmap_free
		267	};
		268
		269	static int ecb_cold
		270	sysfree_free (pTHX_ SV sv, MAGIC mg)
		271	{
		272	free (mg->mg_ptr);
		273	mg->mg_obj = 0; /* just in case */
		274
		275	SvREADONLY_off (sv);
		276
		277	if (SvPVX (sv) != mg->mg_ptr)
		278	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		279
		280	SvCUR_set (sv, 0);
		281	SvPVX (sv) = 0;
		282	SvOK_off (sv);
		283
		284	return 0;
		285	}
		286
		287	static MGVTBL sysfree_vtbl = {
		288	0, 0, 0, 0, sysfree_free
		289	};
		290
		291	/*****************************************************************************/
		292
		293	/* helper: set scalar to foreign ptr with custom free */
		294	static void
		295	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		296	{
		297	sv_force_normal (sv);
		298
		299	/* we store the length in mg_obj, as namlen is I32 :/ */
		300	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		301	->mg_obj = (SV *)length;
		302
		303	SvUPGRADE (sv, SVt_PV); /* nop... */
		304
		305	if (SvLEN (sv))
		306	Safefree (SvPVX (sv));
		307
		308	SvPVX (sv) = (char *)addr;
		309	SvCUR_set (sv, length);
		310	SvLEN_set (sv, 0);
		311	SvPOK_only (sv);
		312	}
		313
		314	static void
		315	sv_clear_foreign (SV *sv)
		316	{
		317	/* todo: iterate over magic and only free ours, but of course */
		318	/* the perl5porters will call that (correct) behaviour buggy */
		319	sv_unmagic (sv, FOREIGN_MAGIC);
		320	}
		321
		322	/*****************************************************************************/
		323
		324	/* defines all sorts of constants to 0 unless they are already defined */
		325	/* also provides const_iv_ and const_niv_ macros for them */
		326	#include "def0.h"
		327
		328	/*****************************************************************************/
		329
		330	static void
		331	fiemap (eio_req *req)
		332	{
		333	req->result = -1;
		334
		335	#if HAVE_FIEMAP
		336	/* assume some c99 */
		337	struct fiemap *fiemap = 0;
		338	size_t end_offset;
		339	int count = req->int3;
		340
		341	req->flags \|= EIO_FLAG_PTR1_FREE;
		342
		343	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		344	/* increase in 3.5kb steps */
		345	if (count < 0)
		346	count = 8;
		347
		348	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		349	errno = ENOMEM;
		350	if (!fiemap)
		351	return;
		352
		353	req->ptr1 = fiemap;
		354
		355	fiemap->fm_start = req->offs;
		356	fiemap->fm_length = req->size;
		357	fiemap->fm_flags = req->int2;
		358	fiemap->fm_extent_count = count;
		359
		360	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		361	return;
		362
		363	if (req->int3 >= 0 /* not autosizing */
		364	\|\| !fiemap->fm_mapped_extents /* no more extents */
		365	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		366	goto done;
		367
		368	/* else we have to loop -
		369	* it would be tempting (actually I tried that first) to just query the
		370	* number of extents needed, but linux often feels like not returning all
		371	* extents, without telling us it left any out. this complicates
		372	* this quite a bit.
		373	*/
		374
		375	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		376
		377	for (;;)
		378	{
		379	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		380	char scratch[3072];
		381	struct fiemap incmap = (struct fiemap )scratch;
		382
		383	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		384	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		385	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		386	incmap->fm_flags = fiemap->fm_flags;
		387	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		388
		389	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		390	return;
		391
		392	if (!incmap->fm_mapped_extents)
		393	goto done;
		394
		395	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		396	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		397	errno = ENOMEM;
		398	if (!fiemap)
		399	return;
		400
		401	req->ptr1 = fiemap;
		402
		403	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		404	{
		405	struct fiemap_extent *e = incmap->fm_extents + count;
		406
		407	if (e->fe_logical + e->fe_length >= end_offset)
		408	goto done;
		409
		410	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		411
		412	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		413	goto done;
		414
		415	}
		416	}
		417
		418	done:
		419	req->result = 0;
		420
		421	#else
		422	errno = ENOSYS;
		423	#endif
		424	}
		425
		426	/*****************************************************************************/
		427
		428	static int close_fd; /* dummy fd to close fds via dup2 */
		429
150	enum {	430	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	431	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	432	};
153		433
154	#include "libeio/eio.c"
155
156	typedef eio_req *aio_req;	434	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	435	typedef eio_req *aio_req_ornot;
		436	typedef eio_wd aio_wd;
158		437
159	static SV *on_next_submit;	438	static SV *on_next_submit;
160	static int next_pri = EIO_PRI_DEFAULT;	439	static int next_pri = EIO_PRI_DEFAULT;
161	static int max_outstanding;	440	static int max_outstanding;
162		441
163	static s_epipe respipe;	442	static s_epipe respipe;
164		443
165	static void req_destroy (aio_req req);	444	static void req_destroy (aio_req req);
166	static void req_cancel (aio_req req);	445	static void req_cancel (aio_req req);
167		446
168	static void want_poll (void)	447	static void
		448	want_poll (void)
169	{	449	{
170	/* write a dummy byte to the pipe so fh becomes ready */	450	/* write a dummy byte to the pipe so fh becomes ready */
171	s_epipe_signal (&respipe);	451	s_epipe_signal (&respipe);
172	}	452	}
173		453
174	static void done_poll (void)	454	static void
		455	done_poll (void)
175	{	456	{
176	/* read any signals sent by the worker threads */	457	/* read any signals sent by the worker threads */
177	s_epipe_drain (&respipe);	458	s_epipe_drain (&respipe);
178	}	459	}
179		460
180	/* must be called at most once */	461	/* must be called at most once */
		462	static SV *
181	static SV req_sv (aio_req req, HV stash)	463	req_sv (aio_req req, HV *stash)
182	{	464	{
183	if (!req->self)	465	if (!req->self)
184	{	466	{
185	req->self = (SV *)newHV ();	467	req->self = (SV *)newHV ();
186	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	468	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
187	}	469	}
188		470
189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	471	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
190	}	472	}
191		473
192	static aio_req SvAIO_REQ (SV *sv)	474	static SV *
		475	newSVaio_wd (aio_wd wd)
		476	{
		477	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		478	}
		479
		480	static aio_req
		481	SvAIO_REQ (SV *sv)
193	{	482	{
194	MAGIC *mg;	483	MAGIC *mg;
195		484
196	if (!SvROK (sv)	485	if (!SvROK (sv)
		486	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
197	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	487	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
198	&& SvSTASH (SvRV (sv)) != aio_req_stash	488	&& SvSTASH (SvRV (sv)) != aio_req_stash
199	&& !sv_derived_from (sv, "IO::AIO::REQ")))	489	&& !sv_derived_from (sv, "IO::AIO::REQ")))
200	croak ("object of class IO::AIO::REQ expected");	490	croak ("object of class IO::AIO::REQ expected");
201		491
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	492	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		493
204	return mg ? (aio_req)mg->mg_ptr : 0;	494	return mg ? (aio_req)mg->mg_ptr : 0;
205	}	495	}
206		496
		497	static aio_wd
		498	SvAIO_WD (SV *sv)
		499	{
		500	if (!SvROK (sv)
		501	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
		502	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
		503	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		504
		505	return (aio_wd)(long)SvIVX (SvRV (sv));
		506	}
		507
		508	static SV *
		509	newmortalFH (int fd, int flags)
		510	{
		511	if (fd < 0)
		512	return &PL_sv_undef;
		513
		514	GV gv = (GV )sv_newmortal ();
		515	char sym[64];
		516	int symlen;
		517
		518	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		519	gv_init (gv, aio_stash, sym, symlen, 0);
		520
		521	symlen = snprintf (
		522	sym,
		523	sizeof (sym),
		524	"%s&=%d",
		525	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		526	fd
		527	);
		528
		529	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		530	? (SV *)gv : &PL_sv_undef;
		531	}
		532
		533	static void
207	static void aio_grp_feed (aio_req grp)	534	aio_grp_feed (aio_req grp)
208	{	535	{
209	if (grp->sv2 && SvOK (grp->sv2))	536	if (grp->sv2 && SvOK (grp->sv2))
210	{	537	{
211	dSP;	538	dSP;
212		539
…		…
220	FREETMPS;	547	FREETMPS;
221	LEAVE;	548	LEAVE;
222	}	549	}
223	}	550	}
224		551
		552	static void
225	static void req_submit (eio_req *req)	553	req_submit (eio_req *req)
226	{	554	{
227	eio_submit (req);	555	eio_submit (req);
228		556
229	if (expect_false (on_next_submit))	557	if (expect_false (on_next_submit))
230	{	558	{
…		…
237	PUTBACK;	565	PUTBACK;
238	call_sv (cb, G_DISCARD \| G_EVAL);	566	call_sv (cb, G_DISCARD \| G_EVAL);
239	}	567	}
240	}	568	}
241		569
		570	static int
242	static int req_invoke (eio_req *req)	571	req_invoke (eio_req *req)
243	{	572	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	573	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	574	SvREADONLY_off (req->sv2);
248		575
249	if (!EIO_CANCELLED (req) && req->callback)	576	if (!EIO_CANCELLED (req) && req->callback)
250	{	577	{
		578	dSP;
		579	static SV sv_result_cache; / caches the result integer SV */
		580	SV *sv_result;
		581
251	ENTER;	582	ENTER;
252	SAVETMPS;	583	SAVETMPS;
253	PUSHMARK (SP);	584	PUSHMARK (SP);
254	EXTEND (SP, 1);	585	EXTEND (SP, 1);
255		586
		587	/* do not recreate the result IV from scratch each time */
		588	if (expect_true (sv_result_cache))
		589	{
		590	sv_result = sv_result_cache; sv_result_cache = 0;
		591	SvIV_set (sv_result, req->result);
		592	SvIOK_only (sv_result);
		593	}
		594	else
		595	{
		596	sv_result = newSViv (req->result);
		597	SvREADONLY_on (sv_result);
		598	}
		599
256	switch (req->type)	600	switch (req->type)
257	{	601	{
		602	case EIO_WD_OPEN:
		603	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		604	break;
		605
258	case EIO_READDIR:	606	case EIO_READDIR:
259	{	607	{
260	SV *rv = &PL_sv_undef;	608	SV *rv = &PL_sv_undef;
261		609
262	if (req->result >= 0)	610	if (req->result >= 0)
…		…
315	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	663	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
316	}	664	}
317	break;	665	break;
318		666
319	case EIO_OPEN:	667	case EIO_OPEN:
		668	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
		669	break;
		670
		671	case EIO_STATVFS:
		672	case EIO_FSTATVFS:
320	{	673	{
321	/* convert fd to fh */
322	SV *fh = &PL_sv_undef;	674	SV *rv = &PL_sv_undef;
323		675
		676	#ifndef _WIN32
324	if (req->result >= 0)	677	if (req->result >= 0)
325	{	678	{
		679	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
326	GV gv = (GV )sv_newmortal ();	680	HV *hv = newHV ();
327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	681	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
328	char sym [64];	682	* chooses to make it a struct.
329	int symlen;
330		683	*/
331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	684	unsigned long fsid = 0;
332	gv_init (gv, aio_stash, sym, symlen, 0);	685	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
333		686
334	symlen = snprintf (	687	rv = sv_2mortal (newRV_noinc ((SV *)hv));
335	sym,
336	sizeof (sym),
337	"%s&=%d",
338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
339	(int)req->result
340	);
341		688
342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	689	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
343	fh = (SV *)gv;	690	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		691	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		692	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		693	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		694	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		695	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		696	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		697	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
		698	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		699	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
344	}	700	}
		701	#endif
345		702
346	PUSHs (fh);	703	PUSHs (rv);
347	}	704	}
		705
348	break;	706	break;
349		707
350	case EIO_GROUP:	708	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	709	req->int1 = 2; /* mark group as finished */
352		710
…		…
364	case EIO_NOP:	722	case EIO_NOP:
365	case EIO_BUSY:	723	case EIO_BUSY:
366	break;	724	break;
367		725
368	case EIO_READLINK:	726	case EIO_READLINK:
		727	case EIO_REALPATH:
369	if (req->result > 0)	728	if (req->result > 0)
370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	729	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371	break;	730	break;
372		731
373	case EIO_STAT:	732	case EIO_STAT:
374	case EIO_LSTAT:	733	case EIO_LSTAT:
375	case EIO_FSTAT:	734	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	735	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		736
377	PL_laststatval = req->result;	737	if (!(PL_laststatval = req->result))
		738	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	739	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	740
		741	PUSHs (sv_result);
		742	break;
		743
		744	case EIO_SEEK:
		745	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
380	break;	746	break;
381		747
382	case EIO_READ:	748	case EIO_READ:
383	{	749	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	750	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	751	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	752	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	753	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	754	PUSHs (sv_result);
389	}	755	}
390	break;	756	break;
391		757
392	case EIO_DUP2:	758	case EIO_SLURP:
		759	{
		760	if (req->result >= 0)
		761	{
		762	/* if length was originally not known, we steal the malloc'ed memory */
		763	if (req->flags & EIO_FLAG_PTR2_FREE)
		764	{
		765	req->flags &= ~EIO_FLAG_PTR2_FREE;
		766	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		767	}
		768	else
		769	{
		770	SvCUR_set (req->sv2, req->result);
		771	*SvEND (req->sv2) = 0;
		772	SvPOK_only (req->sv2);
		773	}
		774
		775	SvSETMAGIC (req->sv2);
		776	}
		777
		778	PUSHs (sv_result);
		779	}
		780	break;
		781
		782	case EIO_CUSTOM:
		783	if (req->feed == fiemap)
		784	{
		785	#if HAVE_FIEMAP
		786	if (!req->result)
		787	{
		788	struct fiemap fiemap = (struct fiemap )req->ptr1;
		789
		790	if (fiemap->fm_extent_count)
		791	{
		792	AV *av = newAV ();
		793	int i;
		794
		795	while (fiemap->fm_mapped_extents)
		796	{
		797	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		798	AV *ext_av = newAV ();
		799
		800	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		801	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		802	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		803	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		804
		805	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		806	}
		807
		808	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		809	}
		810	else
		811	{
		812	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		813	PUSHs (sv_result);
		814	}
		815	}
		816	#endif
		817	}
		818	else
		819	PUSHs (sv_result);
		820	break;
		821
		822	#if 0
		823	case EIO_CLOSE:
		824	PerlIOUnix_refcnt_dec (req->int1);
		825	break;
		826	#endif
		827
		828	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393	if (req->result > 0)	829	if (req->result > 0)
394	req->result = 0;	830	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	831	/* FALLTHROUGH */
396		832
397	default:	833	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	834	PUSHs (sv_result);
399	break;	835	break;
400	}	836	}
401		837
402	errno = req->errorno;	838	errno = req->errorno;
403		839
404	PUTBACK;	840	PUTBACK;
405	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	841	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
406	SPAGAIN;	842	SPAGAIN;
407		843
		844	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		845	SvREFCNT_dec (sv_result);
		846	else
		847	sv_result_cache = sv_result;
		848
408	FREETMPS;	849	FREETMPS;
409	LEAVE;	850	LEAVE;
410		851
411	PUTBACK;	852	PUTBACK;
412	}	853	}
413		854
414	return !!SvTRUE (ERRSV);	855	return !!SvTRUE (ERRSV);
415	}	856	}
416		857
		858	static void
417	static void req_destroy (aio_req req)	859	req_destroy (aio_req req)
418	{	860	{
419	if (req->self)	861	if (req->self)
420	{	862	{
421	sv_unmagic (req->self, PERL_MAGIC_ext);	863	sv_unmagic (req->self, PERL_MAGIC_ext);
422	SvREFCNT_dec (req->self);	864	SvREFCNT_dec (req->self);
423	}	865	}
424		866
425	SvREFCNT_dec (req->sv1);	867	SvREFCNT_dec (req->sv1);
426	SvREFCNT_dec (req->sv2);	868	SvREFCNT_dec (req->sv2);
		869	SvREFCNT_dec (req->sv3);
		870	SvREFCNT_dec (req->sv4);
427	SvREFCNT_dec (req->callback);	871	SvREFCNT_dec (req->callback);
428		872
429	Safefree (req);	873	free (req);
430	}	874	}
431		875
		876	static void
432	static void req_cancel_subs (aio_req grp)	877	req_cancel_subs (aio_req grp)
433	{	878	{
434	aio_req sub;
435
436	if (grp->type != EIO_GROUP)	879	if (grp->type != EIO_GROUP)
437	return;	880	return;
438		881
439	SvREFCNT_dec (grp->sv2);	882	SvREFCNT_dec (grp->sv2);
440	grp->sv2 = 0;	883	grp->sv2 = 0;
441		884
442	eio_grp_cancel (grp);	885	eio_grp_cancel (grp);
443	}	886	}
444		887
445	static void	888	static void ecb_cold
446	create_respipe (void)	889	create_respipe (void)
447	{	890	{
448	if (s_epipe_renew (&respipe))	891	if (s_epipe_renew (&respipe))
449	croak ("IO::AIO: unable to initialize result pipe");	892	croak ("IO::AIO: unable to initialize result pipe");
450	}	893	}
451		894
452	static void poll_wait (void)	895	static void
		896	poll_wait (void)
453	{	897	{
454	while (eio_nreqs ())	898	while (eio_nreqs ())
455	{	899	{
456	int size;	900	int size;
457		901
458	X_LOCK (reslock);	902	X_LOCK (EIO_POOL->reslock);
459	size = res_queue.size;	903	size = EIO_POOL->res_queue.size;
460	X_UNLOCK (reslock);	904	X_UNLOCK (EIO_POOL->reslock);
461		905
462	if (size)	906	if (size)
463	return;	907	return;
464		908
465	etp_maybe_start_thread ();	909	etp_maybe_start_thread (EIO_POOL);
466		910
467	s_epipe_wait (&respipe);	911	s_epipe_wait (&respipe);
468	}	912	}
469	}	913	}
470		914
471	static int poll_cb (void)	915	static int
		916	poll_cb (void)
472	{	917	{
473	for (;;)	918	for (;;)
474	{	919	{
475	int res = eio_poll ();	920	int res = eio_poll ();
476		921
…		…
482		927
483	poll_wait ();	928	poll_wait ();
484	}	929	}
485	}	930	}
486		931
487	static void atfork_child (void)	932	static void ecb_cold
		933	reinit (void)
488	{	934	{
489	create_respipe ();	935	create_respipe ();
		936
		937	if (eio_init (want_poll, done_poll) < 0)
		938	croak ("IO::AIO: unable to initialise eio library");
490	}	939	}
		940
		941	/*****************************************************************************/
491		942
492	static SV *	943	static SV *
493	get_cb (SV *cb_sv)	944	get_cb (SV *cb_sv)
494	{	945	{
495	SvGETMAGIC (cb_sv);	946	SvGETMAGIC (cb_sv);
496	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	947	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497	}	948	}
498		949
		950	static aio_req ecb_noinline
		951	dreq (SV *callback)
		952	{
		953	SV *cb_cv;
		954	aio_req req;
		955	int req_pri = next_pri;
		956	next_pri = EIO_PRI_DEFAULT;
		957
		958	cb_cv = get_cb (callback);
		959
		960	req = calloc (sizeof (*req), 1);
		961	if (!req)
		962	croak ("out of memory during eio_req allocation");
		963
		964	req->callback = SvREFCNT_inc (cb_cv);
		965	req->pri = req_pri;
		966
		967	return req;
		968	}
		969
499	#define dREQ \	970	#define dREQ \
500	SV *cb_cv; \	971	aio_req req = dreq (callback); \
501	aio_req req; \
502	int req_pri = next_pri; \
503	next_pri = EIO_PRI_DEFAULT; \
504	\
505	cb_cv = get_cb (callback); \
506	\
507	Newz (0, req, 1, eio_req); \
508	if (!req) \
509	croak ("out of memory during eio_req allocation"); \
510	\
511	req->callback = SvREFCNT_inc (cb_cv); \
512	req->pri = req_pri
513		972
514	#define REQ_SEND \	973	#define REQ_SEND \
515	PUTBACK; \	974	PUTBACK; \
516	req_submit (req); \	975	req_submit (req); \
517	SPAGAIN; \	976	SPAGAIN; \
518	\	977	\
519	if (GIMME_V != G_VOID) \	978	if (GIMME_V != G_VOID) \
520	XPUSHs (req_sv (req, aio_req_stash));	979	XPUSHs (req_sv (req, aio_req_stash));
521		980
		981	ecb_inline void
		982	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
		983	{
		984	if (expect_false (SvROK (path)))
		985	{
		986	SV *rv = SvRV (path);
		987	SV *wdob;
		988
		989	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		990	{
		991	path = AvARRAY (rv)[1];
		992	wdob = AvARRAY (rv)[0];
		993
		994	if (SvOK (wdob))
		995	{
		996	*wd = SvAIO_WD (wdob);
		997	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		998	}
		999	else
		1000	*wd = EIO_INVALID_WD;
		1001	}
		1002	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		1003	{
		1004	*wd = (aio_wd)(long)SvIVX (rv);
		1005	*wdsv = SvREFCNT_inc_NN (rv);
		1006	*ptr = ".";
		1007	return; /* path set to "." */
		1008	}
		1009	else
		1010	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		1011	}
		1012
		1013	*pathsv = newSVsv (path);
		1014	ptr = SvPVbyte_nolen (pathsv);
		1015	}
		1016
		1017	static void ecb_noinline
		1018	req_set_path1 (aio_req req, SV *path)
		1019	{
		1020	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		1021	}
		1022
		1023	static void ecb_noinline
		1024	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		1025	{
		1026	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		1027
		1028	switch (SvTYPE (rv))
		1029	{
		1030	case SVt_PVIO:
		1031	case SVt_PVLV:
		1032	case SVt_PVGV:
		1033	req->type = type_fh;
		1034	req->sv1 = newSVsv (fh_or_path);
		1035	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1036	break;
		1037
		1038	default:
		1039	req->type = type_path;
		1040	req_set_path1 (req, fh_or_path);
		1041	break;
		1042	}
		1043	}
		1044
		1045	/*****************************************************************************/
		1046
		1047	static void
		1048	ts_set (struct timespec *ts, NV value)
		1049	{
		1050	ts->tv_sec = value;
		1051	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1052	}
		1053
		1054	static NV
		1055	ts_get (const struct timespec *ts)
		1056	{
		1057	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1058	}
		1059
		1060	/*****************************************************************************/
		1061
		1062	XS(boot_IO__AIO) ecb_cold;
		1063
522	MODULE = IO::AIO PACKAGE = IO::AIO	1064	MODULE = IO::AIO PACKAGE = IO::AIO
523		1065
524	PROTOTYPES: ENABLE	1066	PROTOTYPES: ENABLE
525		1067
526	BOOT:	1068	BOOT:
527	{	1069	{
528	static const struct {	1070	static const struct {
529	const char *name;	1071	const char *name;
530	IV iv;	1072	IV iv;
531	} *civ, const_iv[] = {	1073	} *civ, const_iv[] = {
532	# define const_iv(name, value) { # name, (IV) value },	1074	# define const_niv(name, value) { # name, (IV) value },
		1075	# define const_iv(name) { # name, (IV) name },
533	# define const_eio(name) { # name, (IV) EIO_ ## name },	1076	# define const_eio(name) { # name, (IV) EIO_ ## name },
534	const_iv (EXDEV , EXDEV)	1077
		1078	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1079	/* the first block can be undef if missing */
535	const_iv (ENOSYS , ENOSYS)	1080	const_iv (ENOSYS)
536	const_iv (O_RDONLY, O_RDONLY)	1081	const_iv (EXDEV)
537	const_iv (O_WRONLY, O_WRONLY)	1082	const_iv (EBADR)
538	const_iv (O_CREAT , O_CREAT)	1083
539	const_iv (O_TRUNC , O_TRUNC)	1084	/* for lseek */
540	#ifndef _WIN32	1085	const_iv (SEEK_DATA)
541	const_iv (S_IFIFO , S_IFIFO)	1086	const_iv (SEEK_HOLE)
542	#endif	1087
543	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	1088	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	1089	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	1090	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	1091	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	1092	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	1093	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1094
		1095	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1096	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1097	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1098	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1099	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1100
		1101	/* the second block will be 0 when missing */
		1102	const_iv (O_ACCMODE)
		1103
		1104	const_iv (O_RDONLY)
		1105	const_iv (O_WRONLY)
		1106	const_iv (O_RDWR)
		1107	const_iv (O_CREAT)
		1108	const_iv (O_TRUNC)
		1109	const_iv (O_EXCL)
		1110	const_iv (O_APPEND)
		1111
		1112	const_iv (O_ASYNC)
		1113	const_iv (O_DIRECT)
		1114	const_iv (O_NOATIME)
		1115
		1116	const_iv (O_CLOEXEC)
		1117	const_iv (O_NOCTTY)
		1118	const_iv (O_NOFOLLOW)
		1119	const_iv (O_NONBLOCK)
		1120	const_iv (O_EXEC)
		1121	const_iv (O_SEARCH)
		1122	const_iv (O_DIRECTORY)
		1123	const_iv (O_DSYNC)
		1124	const_iv (O_RSYNC)
		1125	const_iv (O_SYNC)
		1126	const_iv (O_PATH)
		1127	const_iv (O_TMPFILE)
		1128	const_iv (O_TTY_INIT)
		1129
		1130	const_iv (S_IFIFO)
		1131	const_iv (S_IFCHR)
		1132	const_iv (S_IFBLK)
		1133	const_iv (S_IFLNK)
		1134	const_iv (S_IFREG)
		1135	const_iv (S_IFDIR)
		1136	const_iv (S_IFWHT)
		1137	const_iv (S_IFSOCK)
		1138	const_iv (S_IFMT)
		1139
		1140	const_iv (ST_RDONLY)
		1141	const_iv (ST_NOSUID)
		1142	const_iv (ST_NODEV)
		1143	const_iv (ST_NOEXEC)
		1144	const_iv (ST_SYNCHRONOUS)
		1145	const_iv (ST_MANDLOCK)
		1146	const_iv (ST_WRITE)
		1147	const_iv (ST_APPEND)
		1148	const_iv (ST_IMMUTABLE)
		1149	const_iv (ST_NOATIME)
		1150	const_iv (ST_NODIRATIME)
		1151	const_iv (ST_RELATIME)
		1152
		1153	const_iv (PROT_NONE)
		1154	const_iv (PROT_EXEC)
		1155	const_iv (PROT_READ)
		1156	const_iv (PROT_WRITE)
		1157
		1158	const_iv (MAP_PRIVATE)
		1159	const_iv (MAP_SHARED)
		1160	const_iv (MAP_FIXED)
		1161	const_iv (MAP_ANONYMOUS)
		1162
		1163	/* linuxish */
		1164	const_iv (MAP_LOCKED)
		1165	const_iv (MAP_NORESERVE)
		1166	const_iv (MAP_POPULATE)
		1167	const_iv (MAP_NONBLOCK)
		1168	const_iv (MAP_GROWSDOWN)
		1169	const_iv (MAP_32BIT)
		1170	const_iv (MAP_HUGETLB)
		1171	const_iv (MAP_STACK)
		1172
		1173	const_iv (MREMAP_MAYMOVE)
		1174	const_iv (MREMAP_FIXED)
		1175
		1176	const_iv (F_DUPFD_CLOEXEC)
		1177
		1178	const_iv (MSG_CMSG_CLOEXEC)
		1179	const_iv (SOCK_CLOEXEC)
		1180
		1181	const_iv (F_OFD_GETLK)
		1182	const_iv (F_OFD_SETLK)
		1183	const_iv (F_OFD_GETLKW)
		1184
		1185	const_iv (FIFREEZE)
		1186	const_iv (FITHAW)
		1187	const_iv (FITRIM)
		1188	const_iv (FICLONE)
		1189	const_iv (FICLONERANGE)
		1190	const_iv (FIDEDUPERANGE)
		1191
		1192	const_iv (FS_IOC_GETFLAGS)
		1193	const_iv (FS_IOC_SETFLAGS)
		1194	const_iv (FS_IOC_GETVERSION)
		1195	const_iv (FS_IOC_SETVERSION)
		1196	const_iv (FS_IOC_FIEMAP)
		1197	const_iv (FS_IOC_FSGETXATTR)
		1198	const_iv (FS_IOC_FSSETXATTR)
		1199	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1200	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1201	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1202
		1203	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1204
		1205	const_iv (FS_SECRM_FL)
		1206	const_iv (FS_UNRM_FL)
		1207	const_iv (FS_COMPR_FL)
		1208	const_iv (FS_SYNC_FL)
		1209	const_iv (FS_IMMUTABLE_FL)
		1210	const_iv (FS_APPEND_FL)
		1211	const_iv (FS_NODUMP_FL)
		1212	const_iv (FS_NOATIME_FL)
		1213	const_iv (FS_DIRTY_FL)
		1214	const_iv (FS_COMPRBLK_FL)
		1215	const_iv (FS_NOCOMP_FL)
		1216	const_iv (FS_ENCRYPT_FL)
		1217	const_iv (FS_BTREE_FL)
		1218	const_iv (FS_INDEX_FL)
		1219	const_iv (FS_JOURNAL_DATA_FL)
		1220	const_iv (FS_NOTAIL_FL)
		1221	const_iv (FS_DIRSYNC_FL)
		1222	const_iv (FS_TOPDIR_FL)
		1223	const_iv (FS_FL_USER_MODIFIABLE)
		1224
		1225	const_iv (FS_XFLAG_REALTIME)
		1226	const_iv (FS_XFLAG_PREALLOC)
		1227	const_iv (FS_XFLAG_IMMUTABLE)
		1228	const_iv (FS_XFLAG_APPEND)
		1229	const_iv (FS_XFLAG_SYNC)
		1230	const_iv (FS_XFLAG_NOATIME)
		1231	const_iv (FS_XFLAG_NODUMP)
		1232	const_iv (FS_XFLAG_RTINHERIT)
		1233	const_iv (FS_XFLAG_PROJINHERIT)
		1234	const_iv (FS_XFLAG_NOSYMLINKS)
		1235	const_iv (FS_XFLAG_EXTSIZE)
		1236	const_iv (FS_XFLAG_EXTSZINHERIT)
		1237	const_iv (FS_XFLAG_NODEFRAG)
		1238	const_iv (FS_XFLAG_FILESTREAM)
		1239	const_iv (FS_XFLAG_DAX)
		1240	const_iv (FS_XFLAG_HASATTR)
		1241
		1242	const_iv (FIEMAP_FLAG_SYNC)
		1243	const_iv (FIEMAP_FLAG_XATTR)
		1244	const_iv (FIEMAP_FLAGS_COMPAT)
		1245	const_iv (FIEMAP_EXTENT_LAST)
		1246	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1247	const_iv (FIEMAP_EXTENT_DELALLOC)
		1248	const_iv (FIEMAP_EXTENT_ENCODED)
		1249	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1250	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1251	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1252	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1253	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1254	const_iv (FIEMAP_EXTENT_MERGED)
		1255	const_iv (FIEMAP_EXTENT_SHARED)
		1256
		1257	const_iv (SPLICE_F_MOVE)
		1258	const_iv (SPLICE_F_NONBLOCK)
		1259	const_iv (SPLICE_F_MORE)
		1260	const_iv (SPLICE_F_GIFT)
		1261
		1262	const_iv (EFD_CLOEXEC)
		1263	const_iv (EFD_NONBLOCK)
		1264	const_iv (EFD_SEMAPHORE)
		1265
		1266	const_iv (CLOCK_REALTIME)
		1267	const_iv (CLOCK_MONOTONIC)
		1268	const_iv (CLOCK_BOOTTIME)
		1269	const_iv (CLOCK_REALTIME_ALARM)
		1270	const_iv (CLOCK_BOOTTIME_ALARM)
		1271
		1272	const_iv (TFD_NONBLOCK)
		1273	const_iv (TFD_CLOEXEC)
		1274
		1275	const_iv (TFD_TIMER_ABSTIME)
		1276	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1277
		1278	/* these are libeio constants, and are independent of gendef0 */
		1279	const_eio (SEEK_SET)
		1280	const_eio (SEEK_CUR)
		1281	const_eio (SEEK_END)
		1282
		1283	const_eio (MCL_FUTURE)
		1284	const_eio (MCL_CURRENT)
		1285	const_eio (MCL_ONFAULT)
549		1286
550	const_eio (MS_ASYNC)	1287	const_eio (MS_ASYNC)
551	const_eio (MS_INVALIDATE)	1288	const_eio (MS_INVALIDATE)
552	const_eio (MS_SYNC)	1289	const_eio (MS_SYNC)
553		1290
554	const_eio (MT_MODIFY)	1291	const_eio (MT_MODIFY)
555		1292
556	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1293	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
557	const_eio (SYNC_FILE_RANGE_WRITE)	1294	const_eio (SYNC_FILE_RANGE_WRITE)
558	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1295	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1296
		1297	const_eio (FALLOC_FL_KEEP_SIZE)
		1298	const_eio (FALLOC_FL_PUNCH_HOLE)
		1299	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1300	const_eio (FALLOC_FL_ZERO_RANGE)
		1301	const_eio (FALLOC_FL_INSERT_RANGE)
		1302	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1303
		1304	const_eio (RENAME_NOREPLACE)
		1305	const_eio (RENAME_EXCHANGE)
		1306	const_eio (RENAME_WHITEOUT)
559		1307
560	const_eio (READDIR_DENTS)	1308	const_eio (READDIR_DENTS)
561	const_eio (READDIR_DIRS_FIRST)	1309	const_eio (READDIR_DIRS_FIRST)
562	const_eio (READDIR_STAT_ORDER)	1310	const_eio (READDIR_STAT_ORDER)
563	const_eio (READDIR_FOUND_UNKNOWN)	1311	const_eio (READDIR_FOUND_UNKNOWN)
…		…
574	};	1322	};
575		1323
576	aio_stash = gv_stashpv ("IO::AIO" , 1);	1324	aio_stash = gv_stashpv ("IO::AIO" , 1);
577	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1325	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
578	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1326	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1327	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
579		1328
580	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1329	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
581	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1330	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
582		1331
583	create_respipe ();	1332	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
584		1333
585	if (eio_init (want_poll, done_poll) < 0)	1334	/* allocate dummy pipe fd for aio_close */
586	croak ("IO::AIO: unable to initialise eio library");	1335	{
		1336	int pipefd [2];
587		1337
588	/* atfork child called in fifo order, so before eio's handler */	1338	if (
589	X_THREAD_ATFORK (0, 0, atfork_child);	1339	#ifdef _WIN32
590	}	1340	_pipe (pipefd, 1, _O_BINARY) < 0
		1341	#else
		1342	pipe (pipefd) < 0
		1343	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1344	#endif
		1345	\|\| close (pipefd [1]) < 0
		1346	)
		1347	croak ("IO::AIO: unable to create dummy pipe for aio_close");
591		1348
		1349	close_fd = pipefd [0];
		1350	}
		1351
		1352	reinit ();
		1353	}
		1354
592	void	1355	void
		1356	reinit ()
		1357	PROTOTYPE:
		1358
		1359	void
593	max_poll_reqs (int nreqs)	1360	max_poll_reqs (unsigned int nreqs)
594	PROTOTYPE: $	1361	PROTOTYPE: $
595	CODE:	1362	CODE:
596	eio_set_max_poll_reqs (nreqs);	1363	eio_set_max_poll_reqs (nreqs);
597		1364
598	void	1365	void
…		…
600	PROTOTYPE: $	1367	PROTOTYPE: $
601	CODE:	1368	CODE:
602	eio_set_max_poll_time (nseconds);	1369	eio_set_max_poll_time (nseconds);
603		1370
604	void	1371	void
605	min_parallel (int nthreads)	1372	min_parallel (unsigned int nthreads)
606	PROTOTYPE: $	1373	PROTOTYPE: $
607	CODE:	1374	CODE:
608	eio_set_min_parallel (nthreads);	1375	eio_set_min_parallel (nthreads);
609		1376
610	void	1377	void
611	max_parallel (int nthreads)	1378	max_parallel (unsigned int nthreads)
612	PROTOTYPE: $	1379	PROTOTYPE: $
613	CODE:	1380	CODE:
614	eio_set_max_parallel (nthreads);	1381	eio_set_max_parallel (nthreads);
615		1382
616	void	1383	void
617	max_idle (int nthreads)	1384	max_idle (unsigned int nthreads)
618	PROTOTYPE: $	1385	PROTOTYPE: $
619	CODE:	1386	CODE:
620	eio_set_max_idle (nthreads);	1387	eio_set_max_idle (nthreads);
621		1388
622	void	1389	void
		1390	idle_timeout (unsigned int seconds)
		1391	PROTOTYPE: $
		1392	CODE:
		1393	eio_set_idle_timeout (seconds);
		1394
		1395	void
623	max_outstanding (int maxreqs)	1396	max_outstanding (unsigned int maxreqs)
624	PROTOTYPE: $	1397	PROTOTYPE: $
625	CODE:	1398	CODE:
626	max_outstanding = maxreqs;	1399	max_outstanding = maxreqs;
627		1400
628	void	1401	void
629	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1402	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
630	PROTOTYPE: $$$;$
631	PPCODE:	1403	PPCODE:
632	{	1404	{
633	dREQ;	1405	dREQ;
634		1406
		1407	req->type = EIO_WD_OPEN;
		1408	req_set_path1 (req, pathname);
		1409
		1410	REQ_SEND;
		1411	}
		1412
		1413	void
		1414	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
		1415	PPCODE:
		1416	{
		1417	dREQ;
		1418
635	req->type = EIO_OPEN;	1419	req->type = EIO_OPEN;
636	req->sv1 = newSVsv (pathname);	1420	req_set_path1 (req, pathname);
637	req->ptr1 = SvPVbyte_nolen (req->sv1);
638	req->int1 = flags;	1421	req->int1 = flags;
639	req->int2 = mode;	1422	req->int2 = mode;
640		1423
641	REQ_SEND;	1424	REQ_SEND;
642	}	1425	}
643		1426
644	void	1427	void
645	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1428	aio_fsync (SV fh, SV callback = &PL_sv_undef)
646	PROTOTYPE: $;$
647	ALIAS:	1429	ALIAS:
648	aio_fsync = EIO_FSYNC	1430	aio_fsync = EIO_FSYNC
649	aio_fdatasync = EIO_FDATASYNC	1431	aio_fdatasync = EIO_FDATASYNC
		1432	aio_syncfs = EIO_SYNCFS
650	PPCODE:	1433	PPCODE:
651	{	1434	{
652	int fd = s_fileno_croak (fh, 0);	1435	int fd = s_fileno_croak (fh, 0);
653	dREQ;	1436	dREQ;
654		1437
655	req->type = ix;	1438	req->type = ix;
656	req->sv1 = newSVsv (fh);	1439	req->sv1 = newSVsv (fh);
657	req->int1 = fd;	1440	req->int1 = fd;
658		1441
659	REQ_SEND (req);	1442	REQ_SEND;
660	}	1443	}
661		1444
662	void	1445	void
663	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1446	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
664	PROTOTYPE: $$$$;$
665	PPCODE:	1447	PPCODE:
666	{	1448	{
667	int fd = s_fileno_croak (fh, 0);	1449	int fd = s_fileno_croak (fh, 0);
668	dREQ;	1450	dREQ;
669		1451
670	req->type = EIO_SYNC_FILE_RANGE;	1452	req->type = EIO_SYNC_FILE_RANGE;
671	req->sv1 = newSVsv (fh);	1453	req->sv1 = newSVsv (fh);
672	req->int1 = fd;	1454	req->int1 = fd;
673	req->offs = offset;	1455	req->offs = offset;
674	req->size = nbytes;	1456	req->size = nbytes;
675	req->int2 = flags;	1457	req->int2 = flags;
676		1458
677	REQ_SEND (req);	1459	REQ_SEND;
678	}	1460	}
679		1461
680	void	1462	void
681	aio_close (SV fh, SV callback=&PL_sv_undef)	1463	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
682	PROTOTYPE: $;$
683	PPCODE:	1464	PPCODE:
684	{	1465	{
685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686	int fd = s_fileno_croak (fh, 0);	1466	int fd = s_fileno_croak (fh, 0);
687	dREQ;	1467	dREQ;
688		1468
689	if (close_pipe < 0)	1469	req->type = EIO_FALLOCATE;
		1470	req->sv1 = newSVsv (fh);
		1471	req->int1 = fd;
		1472	req->int2 = mode;
		1473	req->offs = offset;
		1474	req->size = len;
		1475
		1476	REQ_SEND;
		1477	}
		1478
		1479	void
		1480	aio_close (SV fh, SV callback = &PL_sv_undef)
		1481	PPCODE:
		1482	{
		1483	int fd = s_fileno_croak (fh, 0);
		1484	dREQ;
		1485	#if 0
		1486	/* partially duplicate logic in s_fileno */
		1487	SvGETMAGIC (fh);
		1488
		1489	if (SvROK (fh))
		1490	{
		1491	fh = SvRV (fh);
		1492	SvGETMAGIC (fh);
		1493	}
		1494
		1495	if (SvTYPE (fh) == SVt_PVGV)
690	{	1496	{
691	int pipefd [2];	1497	/* perl filehandle */
		1498	PerlIOUnix_refcnt_inc (fd);
		1499	do_close ((GV *)fh, 1);
692		1500
693	if (pipe (pipefd) < 0	1501	req->type = EIO_CLOSE;
694	\|\| close (pipefd [1]) < 0	1502	req->int1 = fd;
695	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1503	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
696	abort (); /D/
697
698	close_pipe = pipefd [0];
699	}	1504	}
700		1505	else
		1506	#endif
		1507	{
		1508	/* fd number */
701	req->type = EIO_DUP2;	1509	req->type = EIO_DUP2;
702	req->int1 = close_pipe;	1510	req->int1 = close_fd;
		1511	req->sv2 = newSVsv (fh);
		1512	req->int2 = fd;
		1513	}
		1514
		1515	REQ_SEND;
		1516	}
		1517
		1518	void
		1519	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
		1520	PPCODE:
		1521	{
		1522	int fd = s_fileno_croak (fh, 0);
		1523	dREQ;
		1524
		1525	req->type = EIO_SEEK;
703	req->sv2 = newSVsv (fh);	1526	req->sv1 = newSVsv (fh);
704	req->int2 = fd;	1527	req->int1 = fd;
		1528	req->offs = SvVAL64 (offset);
		1529	req->int2 = whence;
705		1530
706	REQ_SEND (req);	1531	REQ_SEND;
707	}	1532	}
708		1533
709	void	1534	void
710	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1535	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
711	ALIAS:	1536	ALIAS:
712	aio_read = EIO_READ	1537	aio_read = EIO_READ
713	aio_write = EIO_WRITE	1538	aio_write = EIO_WRITE
714	PROTOTYPE: $$$$$;$
715	PPCODE:	1539	PPCODE:
716	{	1540	{
717	STRLEN svlen;	1541	STRLEN svlen;
718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1542	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719	char *svptr = SvPVbyte (data, svlen);	1543	char *svptr = SvPVbyte (data, svlen);
…		…
732	len = svlen - dataoffset;	1556	len = svlen - dataoffset;
733	}	1557	}
734	else	1558	else
735	{	1559	{
736	/* read: check type and grow scalar as necessary */	1560	/* read: check type and grow scalar as necessary */
737	SvUPGRADE (data, SVt_PV);	1561	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
738	svptr = SvGROW (data, len + dataoffset + 1);	1562	svptr = sv_grow (data, len + dataoffset + 1);
		1563	else if (SvCUR (data) < len + dataoffset)
		1564	croak ("length + dataoffset outside of scalar, and cannot grow");
739	}	1565	}
740		1566
741	{	1567	{
742	dREQ;	1568	dREQ;
743		1569
…		…
759	REQ_SEND;	1585	REQ_SEND;
760	}	1586	}
761	}	1587	}
762		1588
763	void	1589	void
764	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1590	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
765	PROTOTYPE: $$;$	1591	ALIAS:
		1592	aio_ioctl = EIO_IOCTL
		1593	aio_fcntl = EIO_FCNTL
766	PPCODE:	1594	PPCODE:
767	{	1595	{
768	SV *data;	1596	int fd = s_fileno_croak (fh, 0);
		1597	char *svptr;
		1598
		1599	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1600	{
		1601	STRLEN svlen;
		1602	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1603	#ifdef IOCPARM_LEN
		1604	STRLEN need = IOCPARM_LEN (request);
		1605	#else
		1606	STRLEN need = 256;
		1607	#endif
		1608
		1609	if (svlen < need)
		1610	svptr = SvGROW (arg, need);
		1611	}
		1612	else
		1613	svptr = (char *)SvIV (arg);
		1614
		1615	{
		1616	dREQ;
		1617
		1618	req->type = ix;
		1619	req->sv1 = newSVsv (fh);
		1620	req->int1 = fd;
		1621	req->int2 = (long)request;
		1622	req->sv2 = SvREFCNT_inc (arg);
		1623	req->ptr2 = svptr;
		1624
		1625	REQ_SEND;
		1626	}
		1627	}
		1628
		1629	void
		1630	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
		1631	ALIAS:
		1632	aio_readlink = EIO_READLINK
		1633	aio_realpath = EIO_REALPATH
		1634	PPCODE:
		1635	{
769	dREQ;	1636	dREQ;
770		1637
771	req->type = EIO_READLINK;	1638	req->type = ix;
772	req->sv1 = newSVsv (path);	1639	req_set_path1 (req, pathname);
773	req->ptr1 = SvPVbyte_nolen (req->sv1);
774		1640
775	REQ_SEND;	1641	REQ_SEND;
776	}	1642	}
777		1643
778	void	1644	void
779	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1645	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
780	PROTOTYPE: $$$$;$
781	PPCODE:	1646	PPCODE:
782	{	1647	{
783	int ifd = s_fileno_croak (in_fh , 0);	1648	int ifd = s_fileno_croak (in_fh , 0);
784	int ofd = s_fileno_croak (out_fh, 1);	1649	int ofd = s_fileno_croak (out_fh, 1);
785	dREQ;	1650	dREQ;
786		1651
787	req->type = EIO_SENDFILE;	1652	req->type = EIO_SENDFILE;
788	req->sv1 = newSVsv (out_fh);	1653	req->sv1 = newSVsv (out_fh);
789	req->int1 = ofd;	1654	req->int1 = ofd;
…		…
794		1659
795	REQ_SEND;	1660	REQ_SEND;
796	}	1661	}
797		1662
798	void	1663	void
799	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1664	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
800	PROTOTYPE: $$$;$
801	PPCODE:	1665	PPCODE:
802	{	1666	{
803	int fd = s_fileno_croak (fh, 0);	1667	int fd = s_fileno_croak (fh, 0);
804	dREQ;	1668	dREQ;
805		1669
806	req->type = EIO_READAHEAD;	1670	req->type = EIO_READAHEAD;
807	req->sv1 = newSVsv (fh);	1671	req->sv1 = newSVsv (fh);
808	req->int1 = fd;	1672	req->int1 = fd;
…		…
811		1675
812	REQ_SEND;	1676	REQ_SEND;
813	}	1677	}
814		1678
815	void	1679	void
816	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1680	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
817	ALIAS:	1681	ALIAS:
818	aio_stat = EIO_STAT	1682	aio_stat = EIO_STAT
819	aio_lstat = EIO_LSTAT	1683	aio_lstat = EIO_LSTAT
		1684	aio_statvfs = EIO_STATVFS
820	PPCODE:	1685	PPCODE:
821	{	1686	{
822	dREQ;	1687	dREQ;
823		1688
824	req->sv1 = newSVsv (fh_or_path);	1689	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
825
826	if (SvPOK (req->sv1))
827	{
828	req->type = ix;
829	req->ptr1 = SvPVbyte_nolen (req->sv1);
830	}
831	else
832	{
833	req->type = EIO_FSTAT;
834	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835	}
836		1690
837	REQ_SEND;	1691	REQ_SEND;
838	}	1692	}
839		1693
840	void	1694	void
		1695	st_xtime ()
		1696	ALIAS:
		1697	st_atime = 0x01
		1698	st_mtime = 0x02
		1699	st_ctime = 0x04
		1700	st_btime = 0x08
		1701	st_xtime = 0x0f
		1702	PPCODE:
		1703	EXTEND (SP, 4);
		1704	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1705	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1706	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1707	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1708
		1709	void
		1710	st_xtimensec ()
		1711	ALIAS:
		1712	st_atimensec = 0x01
		1713	st_mtimensec = 0x02
		1714	st_ctimensec = 0x04
		1715	st_btimensec = 0x08
		1716	st_xtimensec = 0x0f
		1717	st_btimesec = 0x10
		1718	st_gen = 0x20
		1719	PPCODE:
		1720	EXTEND (SP, 4);
		1721	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1722	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1723	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1724	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1725	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1726	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1727
		1728	UV
		1729	major (UV dev)
		1730	ALIAS:
		1731	minor = 1
		1732	CODE:
		1733	RETVAL = ix ? minor (dev) : major (dev);
		1734	OUTPUT:
		1735	RETVAL
		1736
		1737	UV
		1738	makedev (UV maj, UV min)
		1739	CODE:
		1740	RETVAL = makedev (maj, min);
		1741	OUTPUT:
		1742	RETVAL
		1743
		1744	void
841	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1745	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
842	PPCODE:	1746	PPCODE:
843	{	1747	{
844	dREQ;	1748	dREQ;
845		1749
846	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1750	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
847	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1751	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
848	req->sv1 = newSVsv (fh_or_path);	1752	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
849
850	if (SvPOK (req->sv1))
851	{
852	req->type = EIO_UTIME;
853	req->ptr1 = SvPVbyte_nolen (req->sv1);
854	}
855	else
856	{
857	req->type = EIO_FUTIME;
858	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
859	}
860		1753
861	REQ_SEND;	1754	REQ_SEND;
862	}	1755	}
863		1756
864	void	1757	void
865	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1758	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
866	PPCODE:	1759	PPCODE:
867	{	1760	{
868	dREQ;	1761	dREQ;
869		1762
870	req->sv1 = newSVsv (fh_or_path);
871	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1763	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
872		1764	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
873	if (SvPOK (req->sv1))
874	{
875	req->type = EIO_TRUNCATE;
876	req->ptr1 = SvPVbyte_nolen (req->sv1);
877	}
878	else
879	{
880	req->type = EIO_FTRUNCATE;
881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
882	}
883		1765
884	REQ_SEND;	1766	REQ_SEND;
885	}	1767	}
886		1768
887	void	1769	void
888	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1770	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
889	ALIAS:
890	aio_chmod = EIO_CHMOD
891	aio_mkdir = EIO_MKDIR
892	PPCODE:	1771	PPCODE:
893	{	1772	{
894	dREQ;	1773	dREQ;
895		1774
896	req->int2 = mode;	1775	req->int2 = mode;
897	req->sv1 = newSVsv (fh_or_path);	1776	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
898
899	if (SvPOK (req->sv1))
900	{
901	req->type = ix;
902	req->ptr1 = SvPVbyte_nolen (req->sv1);
903	}
904	else
905	{
906	req->type = EIO_FCHMOD;
907	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
908	}
909		1777
910	REQ_SEND;	1778	REQ_SEND;
911	}	1779	}
912		1780
913	void	1781	void
914	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1782	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
915	PPCODE:	1783	PPCODE:
916	{	1784	{
917	dREQ;	1785	dREQ;
918		1786
919	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1787	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
920	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1788	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
921	req->sv1 = newSVsv (fh_or_path);	1789	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
922
923	if (SvPOK (req->sv1))
924	{
925	req->type = EIO_CHOWN;
926	req->ptr1 = SvPVbyte_nolen (req->sv1);
927	}
928	else
929	{
930	req->type = EIO_FCHOWN;
931	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
932	}
933		1790
934	REQ_SEND;	1791	REQ_SEND;
935	}	1792	}
936		1793
937	void	1794	void
938	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1795	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
939	PPCODE:	1796	PPCODE:
940	{	1797	{
941	dREQ;	1798	dREQ;
942		1799
943	req->type = EIO_READDIR;	1800	req->type = EIO_READDIR;
944	req->sv1 = newSVsv (pathname);
945	req->ptr1 = SvPVbyte_nolen (req->sv1);
946	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1801	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
947		1802
948	if (flags & EIO_READDIR_DENTS)	1803	if (flags & EIO_READDIR_DENTS)
949	req->int1 \|= EIO_READDIR_CUSTOM2;	1804	req->int1 \|= EIO_READDIR_CUSTOM2;
950		1805
		1806	req_set_path1 (req, pathname);
		1807
951	REQ_SEND;	1808	REQ_SEND;
952	}	1809	}
953		1810
954	void	1811	void
		1812	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
		1813	PPCODE:
		1814	{
		1815	dREQ;
		1816
		1817	req->type = EIO_MKDIR;
		1818	req->int2 = mode;
		1819	req_set_path1 (req, pathname);
		1820
		1821	REQ_SEND;
		1822	}
		1823
		1824	void
955	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1825	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
956	ALIAS:	1826	ALIAS:
957	aio_unlink = EIO_UNLINK	1827	aio_unlink = EIO_UNLINK
958	aio_rmdir = EIO_RMDIR	1828	aio_rmdir = EIO_RMDIR
959	aio_readdir = EIO_READDIR	1829	aio_readdir = EIO_READDIR
960	PPCODE:	1830	PPCODE:
961	{	1831	{
962	dREQ;	1832	dREQ;
963		1833
964	req->type = ix;	1834	req->type = ix;
965	req->sv1 = newSVsv (pathname);	1835	req_set_path1 (req, pathname);
966	req->ptr1 = SvPVbyte_nolen (req->sv1);
967		1836
968	REQ_SEND;	1837	REQ_SEND;
969	}	1838	}
970		1839
971	void	1840	void
972	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1841	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
973	ALIAS:	1842	ALIAS:
974	aio_link = EIO_LINK	1843	aio_link = EIO_LINK
975	aio_symlink = EIO_SYMLINK	1844	aio_symlink = EIO_SYMLINK
976	aio_rename = EIO_RENAME	1845	aio_rename = EIO_RENAME
977	PPCODE:	1846	PPCODE:
978	{	1847	{
		1848	eio_wd wd2 = 0;
979	dREQ;	1849	dREQ;
980		1850
981	req->type = ix;	1851	req->type = ix;
982	req->sv1 = newSVsv (oldpath);	1852	req_set_path1 (req, oldpath);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);	1853	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
984	req->sv2 = newSVsv (newpath);	1854	req->int3 = (long)wd2;
985	req->ptr2 = SvPVbyte_nolen (req->sv2);
986		1855
987	REQ_SEND;	1856	REQ_SEND;
988	}	1857	}
989		1858
990	void	1859	void
		1860	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1861	PPCODE:
		1862	{
		1863	eio_wd wd2 = 0;
		1864	dREQ;
		1865
		1866	req->type = EIO_RENAME;
		1867	req_set_path1 (req, oldpath);
		1868	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1869	req->int2 = flags;
		1870	req->int3 = (long)wd2;
		1871
		1872	REQ_SEND;
		1873	}
		1874
		1875	void
991	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1876	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
992	PPCODE:	1877	PPCODE:
993	{	1878	{
994	dREQ;	1879	dREQ;
995		1880
996	req->type = EIO_MKNOD;	1881	req->type = EIO_MKNOD;
997	req->sv1 = newSVsv (pathname);
998	req->ptr1 = SvPVbyte_nolen (req->sv1);
999	req->int2 = (mode_t)mode;	1882	req->int2 = (mode_t)mode;
1000	req->offs = dev;	1883	req->offs = dev;
		1884	req_set_path1 (req, pathname);
1001		1885
1002	REQ_SEND;	1886	REQ_SEND;
1003	}	1887	}
1004		1888
1005	void	1889	void
1006	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1890	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1007	ALIAS:	1891	ALIAS:
1008	aio_mtouch = EIO_MTOUCH	1892	aio_mtouch = EIO_MTOUCH
1009	aio_msync = EIO_MSYNC	1893	aio_msync = EIO_MSYNC
1010	PROTOTYPE: $$$$;$
1011	PPCODE:	1894	PPCODE:
1012	{	1895	{
1013	STRLEN svlen;	1896	STRLEN svlen;
		1897	char *svptr = SvPVbyte (data, svlen);
1014	UV len = SvUV (length);	1898	UV len = SvUV (length);
1015	char *svptr = SvPVbyte (data, svlen);	1899
		1900	if (flags < 0)
		1901	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1016		1902
1017	if (offset < 0)	1903	if (offset < 0)
1018	offset += svlen;	1904	offset += svlen;
1019		1905
1020	if (offset < 0 \|\| offset > svlen)	1906	if (offset < 0 \|\| offset > svlen)
…		…
1025		1911
1026	{	1912	{
1027	dREQ;	1913	dREQ;
1028		1914
1029	req->type = ix;	1915	req->type = ix;
1030	req->size = len;
1031	req->sv2 = SvREFCNT_inc (data);	1916	req->sv2 = SvREFCNT_inc (data);
1032	req->ptr2 = (char *)svptr + offset;	1917	req->ptr2 = (char *)svptr + offset;
		1918	req->size = len;
1033	req->int1 = flags;	1919	req->int1 = flags;
1034		1920
1035	REQ_SEND;	1921	REQ_SEND;
1036	}	1922	}
1037	}	1923	}
1038		1924
1039	void	1925	void
		1926	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1927	PPCODE:
		1928	{
		1929	STRLEN svlen;
		1930	char *svptr = SvPVbyte (data, svlen);
		1931	UV len = SvUV (length);
		1932
		1933	if (offset < 0)
		1934	offset += svlen;
		1935
		1936	if (offset < 0 \|\| offset > svlen)
		1937	croak ("offset outside of scalar");
		1938
		1939	if (!SvOK (length) \|\| len + offset > svlen)
		1940	len = svlen - offset;
		1941
		1942	{
		1943	dREQ;
		1944
		1945	req->type = EIO_MLOCK;
		1946	req->sv2 = SvREFCNT_inc (data);
		1947	req->ptr2 = (char *)svptr + offset;
		1948	req->size = len;
		1949
		1950	REQ_SEND;
		1951	}
		1952	}
		1953
		1954	void
		1955	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1956	PPCODE:
		1957	{
		1958	dREQ;
		1959
		1960	req->type = EIO_MLOCKALL;
		1961	req->int1 = flags;
		1962
		1963	REQ_SEND;
		1964	}
		1965
		1966	void
		1967	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
		1968	PPCODE:
		1969	{
		1970	int fd = s_fileno_croak (fh, 0);
		1971	dREQ;
		1972
		1973	req->type = EIO_CUSTOM;
		1974	req->sv1 = newSVsv (fh);
		1975	req->int1 = fd;
		1976
		1977	req->feed = fiemap;
		1978	#if HAVE_FIEMAP
		1979	/* keep our fingers crossed that the next two types are 64 bit */
		1980	req->offs = start;
		1981	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1982	req->int2 = flags;
		1983	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1984	#endif
		1985
		1986	REQ_SEND;
		1987	}
		1988
		1989	void
		1990	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1991	PPCODE:
		1992	{
		1993	char *svptr = 0;
		1994
		1995	sv_clear_foreign (data);
		1996
		1997	if (length) /* known length, directly read into scalar */
		1998	{
		1999	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2000	svptr = sv_grow (data, length + 1);
		2001	else if (SvCUR (data) < length)
		2002	croak ("length outside of scalar, and cannot grow");
		2003	else
		2004	svptr = SvPVbyte_nolen (data);
		2005	}
		2006
		2007	{
		2008	dREQ;
		2009
		2010	req->type = EIO_SLURP;
		2011	req_set_path1 (req, pathname);
		2012	req->offs = offset;
		2013	req->size = length;
		2014	req->sv2 = SvREFCNT_inc (data);
		2015	req->ptr2 = svptr;
		2016
		2017	if (!SvREADONLY (data))
		2018	{
		2019	SvREADONLY_on (data);
		2020	req->flags \|= FLAG_SV2_RO_OFF;
		2021	}
		2022
		2023	REQ_SEND;
		2024	}
		2025	}
		2026
		2027	void
1040	aio_busy (double delay, SV *callback=&PL_sv_undef)	2028	aio_busy (double delay, SV *callback = &PL_sv_undef)
1041	PPCODE:	2029	PPCODE:
1042	{	2030	{
1043	dREQ;	2031	dREQ;
1044		2032
1045	req->type = EIO_BUSY;	2033	req->type = EIO_BUSY;
…		…
1047		2035
1048	REQ_SEND;	2036	REQ_SEND;
1049	}	2037	}
1050		2038
1051	void	2039	void
1052	aio_group (SV *callback=&PL_sv_undef)	2040	aio_group (SV *callback = &PL_sv_undef)
1053	PROTOTYPE: ;$
1054	PPCODE:	2041	PPCODE:
1055	{	2042	{
1056	dREQ;	2043	dREQ;
1057		2044
1058	req->type = EIO_GROUP;	2045	req->type = EIO_GROUP;
1059		2046
		2047	PUTBACK;
1060	req_submit (req);	2048	req_submit (req);
		2049	SPAGAIN;
		2050
1061	XPUSHs (req_sv (req, aio_grp_stash));	2051	XPUSHs (req_sv (req, aio_grp_stash));
1062	}	2052	}
1063		2053
1064	void	2054	void
1065	aio_nop (SV *callback=&PL_sv_undef)	2055	aio_nop (SV *callback = &PL_sv_undef)
1066	ALIAS:	2056	ALIAS:
1067	aio_nop = EIO_NOP	2057	aio_nop = EIO_NOP
1068	aio_sync = EIO_SYNC	2058	aio_sync = EIO_SYNC
1069	PPCODE:	2059	PPCODE:
1070	{	2060	{
…		…
1074		2064
1075	REQ_SEND;	2065	REQ_SEND;
1076	}	2066	}
1077		2067
1078	int	2068	int
1079	aioreq_pri (int pri = 0)	2069	aioreq_pri (int pri = NO_INIT)
1080	PROTOTYPE: ;$
1081	CODE:	2070	CODE:
1082	RETVAL = next_pri;	2071	RETVAL = next_pri;
1083	if (items > 0)	2072	if (items > 0)
1084	{	2073	{
1085	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2074	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1097	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	2086	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098	next_pri = nice;	2087	next_pri = nice;
1099		2088
1100	void	2089	void
1101	flush ()	2090	flush ()
1102	PROTOTYPE:
1103	CODE:	2091	CODE:
1104	while (eio_nreqs ())	2092	while (eio_nreqs ())
1105	{	2093	{
1106	poll_wait ();	2094	poll_wait ();
1107	poll_cb ();	2095	poll_cb ();
1108	}	2096	}
1109		2097
1110	int	2098	int
1111	poll()	2099	poll ()
1112	PROTOTYPE:
1113	CODE:	2100	CODE:
1114	poll_wait ();	2101	poll_wait ();
1115	RETVAL = poll_cb ();	2102	RETVAL = poll_cb ();
1116	OUTPUT:	2103	OUTPUT:
1117	RETVAL	2104	RETVAL
1118		2105
1119	int	2106	int
1120	poll_fileno()	2107	poll_fileno ()
1121	PROTOTYPE:
1122	CODE:	2108	CODE:
1123	RETVAL = s_epipe_fd (&respipe);	2109	RETVAL = s_epipe_fd (&respipe);
1124	OUTPUT:	2110	OUTPUT:
1125	RETVAL	2111	RETVAL
1126		2112
1127	int	2113	int
1128	poll_cb(...)	2114	poll_cb (...)
1129	PROTOTYPE:	2115	PROTOTYPE:
1130	CODE:	2116	CODE:
1131	RETVAL = poll_cb ();	2117	RETVAL = poll_cb ();
1132	OUTPUT:	2118	OUTPUT:
1133	RETVAL	2119	RETVAL
1134		2120
1135	void	2121	void
1136	poll_wait()	2122	poll_wait ()
1137	PROTOTYPE:
1138	CODE:	2123	CODE:
1139	poll_wait ();	2124	poll_wait ();
1140		2125
1141	int	2126	int
1142	nreqs()	2127	nreqs ()
1143	PROTOTYPE:
1144	CODE:	2128	CODE:
1145	RETVAL = eio_nreqs ();	2129	RETVAL = eio_nreqs ();
1146	OUTPUT:	2130	OUTPUT:
1147	RETVAL	2131	RETVAL
1148		2132
1149	int	2133	int
1150	nready()	2134	nready ()
1151	PROTOTYPE:
1152	CODE:	2135	CODE:
1153	RETVAL = eio_nready ();	2136	RETVAL = eio_nready ();
1154	OUTPUT:	2137	OUTPUT:
1155	RETVAL	2138	RETVAL
1156		2139
1157	int	2140	int
1158	npending()	2141	npending ()
1159	PROTOTYPE:
1160	CODE:	2142	CODE:
1161	RETVAL = eio_npending ();	2143	RETVAL = eio_npending ();
1162	OUTPUT:	2144	OUTPUT:
1163	RETVAL	2145	RETVAL
1164		2146
1165	int	2147	int
1166	nthreads()	2148	nthreads ()
1167	PROTOTYPE:
1168	CODE:	2149	CODE:
1169	RETVAL = eio_nthreads ();	2150	RETVAL = eio_nthreads ();
1170	OUTPUT:	2151	OUTPUT:
1171	RETVAL	2152	RETVAL
1172		2153
1173	int	2154	int
1174	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	2155	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175	PROTOTYPE: $$$$
1176	CODE:	2156	CODE:
1177	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178	RETVAL = posix_fadvise (fh, offset, length, advice);	2157	RETVAL = posix_fadvise (fh, offset, length, advice);
1179	#else
1180	RETVAL = errno = ENOSYS;
1181	#endif
1182	OUTPUT:	2158	OUTPUT:
1183	RETVAL	2159	RETVAL
1184		2160
1185	ssize_t	2161	IV
1186	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2162	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187	PROTOTYPE: $$$$
1188	CODE:	2163	CODE:
1189	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2164	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190	OUTPUT:	2165	OUTPUT:
1191	RETVAL	2166	RETVAL
1192		2167
		2168	void
		2169	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
		2170	PPCODE:
		2171	sv_clear_foreign (scalar);
		2172	{
		2173	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		2174	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		2175	if (addr == (void *)-1)
		2176	XSRETURN_NO;
		2177
		2178	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
		2179
		2180	if (!(prot & PROT_WRITE))
		2181	SvREADONLY_on (scalar);
		2182
		2183	XSRETURN_YES;
		2184	}
		2185
		2186	void
		2187	munmap (SV *scalar)
		2188	CODE:
		2189	sv_clear_foreign (scalar);
		2190
		2191	SV *
		2192	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2193	CODE:
		2194	{
		2195	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2196	void *new;
		2197
		2198	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2199	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2200
		2201	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2202
		2203	RETVAL = &PL_sv_no;
		2204
		2205	if (new != (void *)-1)
		2206	{
		2207	RETVAL = new == (void *)mg->mg_ptr
		2208	? newSVpvn ("0 but true", 10)
		2209	: &PL_sv_yes;
		2210
		2211	mg->mg_ptr = (char *)new;
		2212	mg->mg_obj = (SV *)new_length;
		2213
		2214	SvPVX (scalar) = mg->mg_ptr;
		2215	SvCUR_set (scalar, new_length);
		2216	}
		2217	}
		2218	OUTPUT:
		2219	RETVAL
		2220
		2221	int
		2222	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		2223	ALIAS:
		2224	mprotect = 1
		2225	CODE:
		2226	{
		2227	STRLEN svlen;
		2228	void *addr = SvPVbyte (scalar, svlen);
		2229	STRLEN len = SvUV (length);
		2230
		2231	if (offset < 0)
		2232	offset += svlen;
		2233
		2234	if (offset < 0 \|\| offset > svlen)
		2235	croak ("offset outside of scalar");
		2236
		2237	if (!SvOK (length) \|\| len + offset > svlen)
		2238	len = svlen - offset;
		2239
		2240	addr = (void *)(((intptr_t)addr) + offset);
		2241	eio_page_align (&addr, &len);
		2242
		2243	switch (ix)
		2244	{
		2245	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		2246	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		2247	}
		2248	}
		2249	OUTPUT:
		2250	RETVAL
		2251
		2252	int
		2253	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
		2254	CODE:
		2255	{
		2256	STRLEN svlen;
		2257	void *addr = SvPVbyte (scalar, svlen);
		2258	size_t len = SvUV (length);
		2259
		2260	if (offset < 0)
		2261	offset += svlen;
		2262
		2263	if (offset < 0 \|\| offset > svlen)
		2264	croak ("offset outside of scalar");
		2265
		2266	if (!SvOK (length) \|\| len + offset > svlen)
		2267	len = svlen - offset;
		2268
		2269	addr = (void *)(((intptr_t)addr) + offset);
		2270	eio_page_align (&addr, &len);
		2271	#if _POSIX_MEMLOCK_RANGE
		2272	RETVAL = munlock (addr, len);
		2273	#else
		2274	RETVAL = EIO_ENOSYS ();
		2275	#endif
		2276	}
		2277	OUTPUT:
		2278	RETVAL
		2279
		2280	int
		2281	mlockall (int flags)
		2282	PROTOTYPE: $;
		2283	CODE:
		2284	RETVAL = eio_mlockall_sync (flags);
		2285	OUTPUT:
		2286	RETVAL
		2287
		2288	int
		2289	munlockall ()
		2290	CODE:
		2291	#if _POSIX_MEMLOCK
		2292	munlockall ();
		2293	#else
		2294	RETVAL = EIO_ENOSYS ();
		2295	#endif
		2296	OUTPUT:
		2297	RETVAL
		2298
		2299	int
		2300	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		2301	CODE:
		2302	{
		2303	#if HAVE_LINUX_SPLICE
		2304	loff_t off_in_, off_out_;
		2305	RETVAL = splice (
		2306	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2307	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2308	length, flags
		2309	);
		2310	#else
		2311	RETVAL = EIO_ENOSYS ();
		2312	#endif
		2313	}
		2314	OUTPUT:
		2315	RETVAL
		2316
		2317	int
		2318	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2319	CODE:
		2320	#if HAVE_LINUX_SPLICE
		2321	RETVAL = tee (rfh, wfh, length, flags);
		2322	#else
		2323	RETVAL = EIO_ENOSYS ();
		2324	#endif
		2325	OUTPUT:
		2326	RETVAL
		2327
		2328	int
		2329	pipesize (aio_rfd rfh, int new_size = -1)
		2330	PROTOTYPE: $;$
		2331	CODE:
		2332	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2333	if (new_size >= 0)
		2334	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2335	else
		2336	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2337	#else
		2338	errno = ENOSYS;
		2339	RETVAL = -1;
		2340	#endif
		2341	OUTPUT:
		2342	RETVAL
		2343
		2344	void
		2345	pipe2 (int flags = 0)
		2346	PROTOTYPE: ;$
		2347	PPCODE:
		2348	{
		2349	int fd[2];
		2350	int res;
		2351
		2352	if (flags)
		2353	#if HAVE_PIPE2
		2354	res = pipe2 (fd, flags);
		2355	#else
		2356	res = (errno = ENOSYS, -1);
		2357	#endif
		2358	else
		2359	res = pipe (fd);
		2360
		2361	if (!res)
		2362	{
		2363	EXTEND (SP, 2);
		2364	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2365	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2366	}
		2367	}
		2368
		2369	void
		2370	eventfd (unsigned int initval = 0, int flags = 0)
		2371	PPCODE:
		2372	{
		2373	int fd;
		2374	#if HAVE_EVENTFD
		2375	fd = eventfd (initval, flags);
		2376	#else
		2377	fd = (errno = ENOSYS, -1);
		2378	#endif
		2379
		2380	XPUSHs (newmortalFH (fd, O_RDWR));
		2381	}
		2382
		2383	void
		2384	timerfd_create (int clockid, int flags = 0)
		2385	PPCODE:
		2386	{
		2387	int fd;
		2388	#if HAVE_TIMERFD
		2389	fd = timerfd_create (clockid, flags);
		2390	#else
		2391	fd = (errno = ENOSYS, -1);
		2392	#endif
		2393
		2394	XPUSHs (newmortalFH (fd, O_RDWR));
		2395	}
		2396
		2397	void
		2398	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2399	PPCODE:
		2400	{
		2401	int fd = s_fileno_croak (fh, 0);
		2402	#if HAVE_TIMERFD
		2403	int res;
		2404	struct itimerspec its, ots;
		2405
		2406	ts_set (&its.it_interval, interval);
		2407	ts_set (&its.it_value , value);
		2408	res = timerfd_settime (fd, flags, &its, &ots);
		2409
		2410	if (!res)
		2411	{
		2412	EXTEND (SP, 2);
		2413	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2414	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2415	}
		2416	#else
		2417	errno = ENOSYS;
		2418	#endif
		2419	}
		2420
		2421	void
		2422	timerfd_gettime (SV *fh)
		2423	PPCODE:
		2424	{
		2425	int fd = s_fileno_croak (fh, 0);
		2426	#if HAVE_TIMERFD
		2427	int res;
		2428	struct itimerspec ots;
		2429	res = timerfd_gettime (fd, &ots);
		2430
		2431	if (!res)
		2432	{
		2433	EXTEND (SP, 2);
		2434	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2435	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2436	}
		2437	#else
		2438	errno = ENOSYS;
		2439	#endif
		2440	}
		2441
		2442	UV
		2443	get_fdlimit ()
		2444	CODE:
		2445	#if HAVE_RLIMITS
		2446	struct rlimit rl;
		2447	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2448	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2449	#endif
		2450	XSRETURN_UNDEF;
		2451	OUTPUT:
		2452	RETVAL
		2453
		2454	void
		2455	min_fdlimit (UV limit = 0x7fffffffU)
		2456	CODE:
		2457	{
		2458	#if HAVE_RLIMITS
		2459	struct rlimit rl;
		2460	rlim_t orig_rlim_max;
		2461	UV bit;
		2462
		2463	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2464	goto fail;
		2465
		2466	if (rl.rlim_cur == RLIM_INFINITY)
		2467	XSRETURN_YES;
		2468
		2469	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2470
		2471	if (rl.rlim_cur < limit)
		2472	{
		2473	rl.rlim_cur = limit;
		2474
		2475	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2476	rl.rlim_max = rl.rlim_cur;
		2477	}
		2478
		2479	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2480	XSRETURN_YES;
		2481
		2482	if (errno == EPERM)
		2483	{
		2484	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2485	/* our limit overflows a system-wide limit */
		2486	/* try an adaptive algorithm, but do not lower the hardlimit */
		2487	rl.rlim_max = 0;
		2488	for (bit = 0x40000000U; bit; bit >>= 1)
		2489	{
		2490	rl.rlim_max \|= bit;
		2491	rl.rlim_cur = rl.rlim_max;
		2492
		2493	/* nevr decrease the hard limit */
		2494	if (rl.rlim_max < orig_rlim_max)
		2495	break;
		2496
		2497	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2498	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2499	}
		2500
		2501	/* now, raise the soft limit to the max permitted */
		2502	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2503	{
		2504	rl.rlim_cur = rl.rlim_max;
		2505	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2506	errno = EPERM;
		2507	}
		2508	}
		2509	#endif
		2510	fail:
		2511	XSRETURN_UNDEF;
		2512	}
		2513
1193	void _on_next_submit (SV *cb)	2514	void _on_next_submit (SV *cb)
1194	CODE:	2515	CODE:
1195	SvREFCNT_dec (on_next_submit);	2516	SvREFCNT_dec (on_next_submit);
1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2517	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197		2518
1198	PROTOTYPES: DISABLE	2519	PROTOTYPES: DISABLE
1199		2520
		2521	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2522
		2523	BOOT:
		2524	{
		2525	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2526	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2527	}
		2528
		2529	void
		2530	DESTROY (SV *self)
		2531	CODE:
		2532	{
		2533	aio_wd wd = SvAIO_WD (self);
		2534	#if HAVE_AT
		2535	{
		2536	SV *callback = &PL_sv_undef;
		2537	dREQ; /* clobbers next_pri :/ */
		2538	next_pri = req->pri; /* restore next_pri */
		2539	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2540	req->type = EIO_WD_CLOSE;
		2541	req->wd = wd;
		2542	REQ_SEND;
		2543	}
		2544	#else
		2545	eio_wd_close_sync (wd);
		2546	#endif
		2547	}
		2548
1200	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2549	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1201		2550
1202	void	2551	void
1203	cancel (aio_req_ornot req)	2552	cancel (aio_req_ornot req)
1204	CODE:	2553	CODE:
1205	eio_cancel (req);	2554	eio_cancel (req);
1206		2555
1207	void	2556	void
1208	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2557	cb (aio_req_ornot req, SV *callback = NO_INIT)
1209	PPCODE:	2558	PPCODE:
1210	{	2559	{
1211	if (GIMME_V != G_VOID)	2560	if (GIMME_V != G_VOID)
1212	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2561	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1213		2562
1214	if (items > 1)	2563	if (items > 1)
1215	{	2564	{
1216	SV *cb_cv =get_cb (callback);	2565	SV *cb_cv = get_cb (callback);
1217		2566
1218	SvREFCNT_dec (req->callback);	2567	SvREFCNT_dec (req->callback);
1219	req->callback = SvREFCNT_inc (cb_cv);	2568	req->callback = SvREFCNT_inc (cb_cv);
1220	}	2569	}
1221	}	2570	}
…		…
1278	limit (aio_req grp, int limit)	2627	limit (aio_req grp, int limit)
1279	CODE:	2628	CODE:
1280	eio_grp_limit (grp, limit);	2629	eio_grp_limit (grp, limit);
1281		2630
1282	void	2631	void
1283	feed (aio_req grp, SV *callback=&PL_sv_undef)	2632	feed (aio_req grp, SV *callback = &PL_sv_undef)
1284	CODE:	2633	CODE:
1285	{	2634	{
1286	SvREFCNT_dec (grp->sv2);	2635	SvREFCNT_dec (grp->sv2);
1287	grp->sv2 = newSVsv (callback);	2636	grp->sv2 = newSVsv (callback);
1288	grp->feed = aio_grp_feed;	2637	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs. Revision 1.273 by root, Mon Mar 4 10:28:38 2019 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 2019 UTC