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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.265 by root, Tue Aug 14 11:50:43 2018 UTC

…		…
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		8
9	#include "schmorp.h"	9	#if !defined mg_findext
		10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		11	#endif
10		12
11	#include <stddef.h>	13	#include <stddef.h>
12	#include <stdlib.h>	14	#include <stdlib.h>
13	#include <errno.h>	15	#include <errno.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
		17	#include <sys/socket.h>
15	#include <sys/stat.h>	18	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	19	#include <limits.h>
18	#include <fcntl.h>	20	#include <fcntl.h>
19	#include <sched.h>	21	#include <sched.h>
20		22
		23	#if HAVE_SYS_MKDEV_H
		24	# include <sys/mkdev.h>
		25	#elif HAVE_SYS_SYSMACROS_H
		26	# include <sys/sysmacros.h>
		27	#endif
		28
21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES	29	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	30	# include <sys/mman.h>
		31	#endif
		32
		33	/* the incompetent fool that created musl keeps __linux__, refuses
		34	* to implement any linux standard apis, and also has no way to test
		35	* for his broken iplementation. don't complain to me if this fails
		36	* for you.
		37	*/
		38	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
		39	# include <linux/fs.h>
		40	# ifdef FS_IOC_FIEMAP
		41	# include <linux/types.h>
		42	# include <linux/fiemap.h>
		43	# define HAVE_FIEMAP 1
		44	# endif
23	#endif	45	#endif
24		46
25	/* perl namespace pollution */	47	/* perl namespace pollution */
26	#undef VERSION	48	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		49
77	/* perl stupidly overrides readdir and maybe others */	50	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	51	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	52	#undef readdir
80	#undef opendir	53	#undef opendir
81	#undef closedir	54	#undef closedir
82		55
		56	#ifdef _WIN32
		57
		58	// perl overrides all those nice libc functions
		59
		60	#undef malloc
		61	#undef free
		62	#undef open
		63	#undef read
		64	#undef write
		65	#undef send
		66	#undef recv
		67	#undef stat
		68	#undef lstat
		69	#undef fstat
		70	#undef truncate
		71	#undef ftruncate
		72	#undef open
		73	#undef link
		74	#undef close
		75	#undef unlink
		76	#undef mkdir
		77	#undef rmdir
		78	#undef rename
		79	#undef lseek
		80	#undef opendir
		81	#undef readdir
		82	#undef closedir
		83	#undef chmod
		84	#undef fchmod
		85	#undef dup
		86	#undef dup2
		87	#undef abort
		88	#undef pipe
		89
		90	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	91	#define EIO_STRUCT_STATI64
84		92
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	93	#else
91	# define VAL64 NV	94
92	# define SvVAL64 SvNV	95	#include <sys/time.h>
93	# define newSVval64 newSVnv	96	#include <sys/select.h>
		97	#include <unistd.h>
		98	#include <utime.h>
		99	#include <signal.h>
		100
		101	#define EIO_STRUCT_STAT Stat_t
		102
94	#endif	103	#endif
95		104
96	/*****************************************************************************/	105	/*****************************************************************************/
97		106
98	#if __GNUC__ >= 3	107	#if __GNUC__ >= 3
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	113	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	114	#define expect_true(expr) expect ((expr) != 0, 1)
106		115
107	/*****************************************************************************/	116	/*****************************************************************************/
108		117
		118	#include "config.h"
		119
		120	#if HAVE_ST_XTIMENSEC
		121	# define ATIMENSEC PL_statcache.st_atimensec
		122	# define MTIMENSEC PL_statcache.st_mtimensec
		123	# define CTIMENSEC PL_statcache.st_ctimensec
		124	#elif HAVE_ST_XTIMESPEC
		125	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		126	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		127	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		128	#else
		129	# define ATIMENSEC 0
		130	# define MTIMENSEC 0
		131	# define CTIMENSEC 0
		132	#endif
		133
		134	#include "schmorp.h"
		135
		136	#if HAVE_EVENTFD
		137	# include <sys/eventfd.h>
		138	#endif
		139
		140	#if HAVE_TIMERFD
		141	# include <sys/timerfd.h>
		142	#endif
		143
		144	#if HAVE_RLIMITS
		145	#include <sys/time.h>
		146	#include <sys/resource.h>
		147	#endif
		148
109	typedef SV SV8; /* byte-sv, used for argument-checking */	149	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	150	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	151	typedef int aio_wfd; /* write file descriptor */
112		152
113	static HV aio_stash, aio_req_stash, *aio_grp_stash;	153	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
114		154
115	#define EIO_REQ_MEMBERS \	155	#define EIO_REQ_MEMBERS \
116	SV *callback; \	156	SV *callback; \
117	SV sv1, sv2; \	157	SV sv1, sv2; \
		158	SV sv3, sv4; \
118	STRLEN stroffset; \	159	STRLEN stroffset; \
119	SV *self;	160	SV *self;
120		161
121	#define EIO_NO_WRAPPERS 1	162	#define EIO_NO_WRAPPERS 1
122		163
123	#include "libeio/eio.h"	164	#include "libeio/eio.h"
124		165
125	#ifndef POSIX_FADV_NORMAL	166	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	167	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	168	static void req_destroy (eio_req *grp);
128	#endif	169	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		170
145	#ifndef ST_NODEV	171	#include "libeio/eio.c"
146	# define ST_NODEV 0
147	#endif
148	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0
150	#endif
151	#ifndef ST_SYNCHRONOUS
152	# define ST_SYNCHRONOUS 0
153	#endif
154	#ifndef ST_MANDLOCK
155	# define ST_MANDLOCK 0
156	#endif
157	#ifndef ST_WRITE
158	# define ST_WRITE 0
159	#endif
160	#ifndef ST_APPEND
161	# define ST_APPEND 0
162	#endif
163	#ifndef ST_IMMUTABLE
164	# define ST_IMMUTABLE 0
165	#endif
166	#ifndef ST_NOATIME
167	# define ST_NOATIME 0
168	#endif
169	#ifndef ST_NODIRATIME
170	# define ST_NODIRATIME 0
171	#endif
172	#ifndef ST_RELATIME
173	# define ST_RELATIME 0
174	#endif
175		172
176	#ifndef MCL_CURRENT	173	#if !HAVE_POSIX_FADVISE
177	# define MCL_CURRENT 0	174	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178	#endif	175	#endif
179	#ifndef MCL_FUTURE	176
180	# define MCL_FUTURE 0	177	#if !HAVE_POSIX_MADVISE
		178	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181	#endif	179	#endif
182		180
183	#ifndef MAP_ANONYMOUS	181	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	182	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	183	# define MAP_ANONYMOUS MAP_ANON
186	# else	184	# else
187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	185	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188	# endif	186	# endif
189	#endif	187	#endif
190	#ifndef MAP_HUGETLB
191	# define MAP_HUGETLB 0
192	#endif
193	#ifndef MAP_LOCKED
194	# define MAP_LOCKED 0
195	#endif
196	#ifndef MAP_NORESERVE
197	# define MAP_NORESERVE 0
198	#endif
199	#ifndef MAP_POPULATE
200	# define MAP_POPULATE 0
201	#endif
202	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0
204	#endif
205		188
206	#ifndef PAGESIZE	189	#ifndef makedev
		190	# define makedev(maj,min) (((maj) << 8) \| (min))
		191	#endif
		192	#ifndef major
		193	# define major(dev) ((dev) >> 8)
		194	#endif
		195	#ifndef minor
		196	# define minor(dev) ((dev) & 0xff)
		197	#endif
		198
		199	#if PAGESIZE <= 0
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	200	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	201	#endif
209		202
210	static int req_invoke (eio_req *req);	203	/*****************************************************************************/
211	#define EIO_FINISH(req) req_invoke (req)	204
212	static void req_destroy (eio_req *grp);	205	#if !_POSIX_MAPPED_FILES
213	#define EIO_DESTROY(req) req_destroy (req)	206	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		207	# define munmap(addr,length) EIO_ENOSYS ()
		208	#endif
		209
		210	#if !_POSIX_MEMORY_PROTECTION
		211	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		212	#endif
		213
		214	#if !MREMAP_MAYMOVE
		215	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		216	#endif
		217
		218	#define FOREIGN_MAGIC PERL_MAGIC_ext
		219
		220	static int ecb_cold
		221	mmap_free (pTHX_ SV sv, MAGIC mg)
		222	{
		223	int old_errno = errno;
		224	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		225	errno = old_errno;
		226
		227	mg->mg_obj = 0; /* just in case */
		228
		229	SvREADONLY_off (sv);
		230
		231	if (SvPVX (sv) != mg->mg_ptr)
		232	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		233
		234	SvCUR_set (sv, 0);
		235	SvPVX (sv) = 0;
		236	SvOK_off (sv);
		237
		238	return 0;
		239	}
		240
		241	static MGVTBL mmap_vtbl = {
		242	0, 0, 0, 0, mmap_free
		243	};
		244
		245	static int ecb_cold
		246	sysfree_free (pTHX_ SV sv, MAGIC mg)
		247	{
		248	free (mg->mg_ptr);
		249	mg->mg_obj = 0; /* just in case */
		250
		251	SvREADONLY_off (sv);
		252
		253	if (SvPVX (sv) != mg->mg_ptr)
		254	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		255
		256	SvCUR_set (sv, 0);
		257	SvPVX (sv) = 0;
		258	SvOK_off (sv);
		259
		260	return 0;
		261	}
		262
		263	static MGVTBL sysfree_vtbl = {
		264	0, 0, 0, 0, sysfree_free
		265	};
		266
		267	/*****************************************************************************/
		268
		269	/* helper: set scalar to foreign ptr with custom free */
		270	static void
		271	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		272	{
		273	sv_force_normal (sv);
		274
		275	/* we store the length in mg_obj, as namlen is I32 :/ */
		276	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		277	->mg_obj = (SV *)length;
		278
		279	SvUPGRADE (sv, SVt_PV); /* nop... */
		280
		281	if (SvLEN (sv))
		282	Safefree (SvPVX (sv));
		283
		284	SvPVX (sv) = (char *)addr;
		285	SvCUR_set (sv, length);
		286	SvLEN_set (sv, 0);
		287	SvPOK_only (sv);
		288	}
		289
		290	static void
		291	sv_clear_foreign (SV *sv)
		292	{
		293	/* todo: iterate over magic and only free ours, but of course */
		294	/* the perl5porters will call that (correct) behaviour buggy */
		295	sv_unmagic (sv, FOREIGN_MAGIC);
		296	}
		297
		298	/*****************************************************************************/
		299
		300	/* defines all sorts of constants to 0 unless they are already defined */
		301	/* also provides const_iv_ and const_niv_ macros for them */
		302	#include "def0.h"
		303
		304	/*****************************************************************************/
		305
		306	static void
		307	fiemap (eio_req *req)
		308	{
		309	req->result = -1;
		310
		311	#if HAVE_FIEMAP
		312	/* assume some c99 */
		313	struct fiemap *fiemap = 0;
		314	size_t end_offset;
		315	int count = req->int3;
		316
		317	req->flags \|= EIO_FLAG_PTR1_FREE;
		318
		319	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		320	/* increase in 3.5kb steps */
		321	if (count < 0)
		322	count = 8;
		323
		324	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		325	errno = ENOMEM;
		326	if (!fiemap)
		327	return;
		328
		329	req->ptr1 = fiemap;
		330
		331	fiemap->fm_start = req->offs;
		332	fiemap->fm_length = req->size;
		333	fiemap->fm_flags = req->int2;
		334	fiemap->fm_extent_count = count;
		335
		336	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		337	return;
		338
		339	if (req->int3 >= 0 /* not autosizing */
		340	\|\| !fiemap->fm_mapped_extents /* no more extents */
		341	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		342	goto done;
		343
		344	/* else we have to loop -
		345	* it would be tempting (actually I tried that first) to just query the
		346	* number of extents needed, but linux often feels like not returning all
		347	* extents, without telling us it left any out. this complicates
		348	* this quite a bit.
		349	*/
		350
		351	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		352
		353	for (;;)
		354	{
		355	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		356	char scratch[3072];
		357	struct fiemap incmap = (struct fiemap )scratch;
		358
		359	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		360	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		361	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		362	incmap->fm_flags = fiemap->fm_flags;
		363	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		364
		365	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		366	return;
		367
		368	if (!incmap->fm_mapped_extents)
		369	goto done;
		370
		371	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		372	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		373	errno = ENOMEM;
		374	if (!fiemap)
		375	return;
		376
		377	req->ptr1 = fiemap;
		378
		379	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		380	{
		381	struct fiemap_extent *e = incmap->fm_extents + count;
		382
		383	if (e->fe_logical + e->fe_length >= end_offset)
		384	goto done;
		385
		386	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		387
		388	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		389	goto done;
		390
		391	}
		392	}
		393
		394	done:
		395	req->result = 0;
		396
		397	#else
		398	errno = ENOSYS;
		399	#endif
		400	}
		401
		402	/*****************************************************************************/
214		403
215	enum {	404	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	405	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	406	};
218		407
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	408	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	409	typedef eio_req *aio_req_ornot;
		410	typedef eio_wd aio_wd;
223		411
224	static SV *on_next_submit;	412	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	413	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	414	static int max_outstanding;
227		415
228	static s_epipe respipe;	416	static s_epipe respipe;
229		417
230	static void req_destroy (aio_req req);	418	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	419	static void req_cancel (aio_req req);
232		420
233	static void want_poll (void)	421	static void
		422	want_poll (void)
234	{	423	{
235	/* write a dummy byte to the pipe so fh becomes ready */	424	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	425	s_epipe_signal (&respipe);
237	}	426	}
238		427
239	static void done_poll (void)	428	static void
		429	done_poll (void)
240	{	430	{
241	/* read any signals sent by the worker threads */	431	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	432	s_epipe_drain (&respipe);
243	}	433	}
244		434
245	/* must be called at most once */	435	/* must be called at most once */
		436	static SV *
246	static SV req_sv (aio_req req, HV stash)	437	req_sv (aio_req req, HV *stash)
247	{	438	{
248	if (!req->self)	439	if (!req->self)
249	{	440	{
250	req->self = (SV *)newHV ();	441	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	442	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	443	}
253		444
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	445	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	446	}
256		447
257	static aio_req SvAIO_REQ (SV *sv)	448	static SV *
		449	newSVaio_wd (aio_wd wd)
		450	{
		451	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		452	}
		453
		454	static aio_req
		455	SvAIO_REQ (SV *sv)
258	{	456	{
259	MAGIC *mg;	457	MAGIC *mg;
260		458
261	if (!SvROK (sv)	459	if (!SvROK (sv)
		460	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	461	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	462	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	463	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	464	croak ("object of class IO::AIO::REQ expected");
266		465
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	466	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		467
269	return mg ? (aio_req)mg->mg_ptr : 0;	468	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	469	}
271		470
		471	static aio_wd
		472	SvAIO_WD (SV *sv)
		473	{
		474	if (!SvROK (sv)
		475	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
		476	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
		477	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		478
		479	return (aio_wd)(long)SvIVX (SvRV (sv));
		480	}
		481
		482	static SV *
		483	newmortalFH (int fd, int flags)
		484	{
		485	if (fd < 0)
		486	return &PL_sv_undef;
		487
		488	GV gv = (GV )sv_newmortal ();
		489	char sym[64];
		490	int symlen;
		491
		492	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		493	gv_init (gv, aio_stash, sym, symlen, 0);
		494
		495	symlen = snprintf (
		496	sym,
		497	sizeof (sym),
		498	"%s&=%d",
		499	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		500	fd
		501	);
		502
		503	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		504	? (SV *)gv : &PL_sv_undef;
		505	}
		506
		507	static void
272	static void aio_grp_feed (aio_req grp)	508	aio_grp_feed (aio_req grp)
273	{	509	{
274	if (grp->sv2 && SvOK (grp->sv2))	510	if (grp->sv2 && SvOK (grp->sv2))
275	{	511	{
276	dSP;	512	dSP;
277		513
…		…
285	FREETMPS;	521	FREETMPS;
286	LEAVE;	522	LEAVE;
287	}	523	}
288	}	524	}
289		525
		526	static void
290	static void req_submit (eio_req *req)	527	req_submit (eio_req *req)
291	{	528	{
292	eio_submit (req);	529	eio_submit (req);
293		530
294	if (expect_false (on_next_submit))	531	if (expect_false (on_next_submit))
295	{	532	{
…		…
302	PUTBACK;	539	PUTBACK;
303	call_sv (cb, G_DISCARD \| G_EVAL);	540	call_sv (cb, G_DISCARD \| G_EVAL);
304	}	541	}
305	}	542	}
306		543
		544	static int
307	static int req_invoke (eio_req *req)	545	req_invoke (eio_req *req)
308	{	546	{
309	if (req->flags & FLAG_SV2_RO_OFF)	547	if (req->flags & FLAG_SV2_RO_OFF)
310	SvREADONLY_off (req->sv2);	548	SvREADONLY_off (req->sv2);
311		549
312	if (!EIO_CANCELLED (req) && req->callback)	550	if (!EIO_CANCELLED (req) && req->callback)
…		…
323	/* do not recreate the result IV from scratch each time */	561	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	562	if (expect_true (sv_result_cache))
325	{	563	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	564	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	565	SvIV_set (sv_result, req->result);
		566	SvIOK_only (sv_result);
328	}	567	}
329	else	568	else
330	{	569	{
331	sv_result = newSViv (req->result);	570	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	571	SvREADONLY_on (sv_result);
333	}	572	}
334		573
335	switch (req->type)	574	switch (req->type)
336	{	575	{
		576	case EIO_WD_OPEN:
		577	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		578	break;
		579
337	case EIO_READDIR:	580	case EIO_READDIR:
338	{	581	{
339	SV *rv = &PL_sv_undef;	582	SV *rv = &PL_sv_undef;
340		583
341	if (req->result >= 0)	584	if (req->result >= 0)
…		…
394	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	637	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
395	}	638	}
396	break;	639	break;
397		640
398	case EIO_OPEN:	641	case EIO_OPEN:
399	{	642	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
400	/* convert fd to fh */
401	SV *fh = &PL_sv_undef;
402
403	if (req->result >= 0)
404	{
405	GV gv = (GV )sv_newmortal ();
406	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
407	char sym [64];
408	int symlen;
409
410	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411	gv_init (gv, aio_stash, sym, symlen, 0);
412
413	symlen = snprintf (
414	sym,
415	sizeof (sym),
416	"%s&=%d",
417	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418	(int)req->result
419	);
420
421	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422	fh = (SV *)gv;
423	}
424
425	PUSHs (fh);
426	}
427	break;	643	break;
428		644
429	case EIO_STATVFS:	645	case EIO_STATVFS:
430	case EIO_FSTATVFS:	646	case EIO_FSTATVFS:
431	{	647	{
432	SV *rv = &PL_sv_undef;	648	SV *rv = &PL_sv_undef;
433		649
		650	#ifndef _WIN32
434	if (req->result >= 0)	651	if (req->result >= 0)
435	{	652	{
436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	653	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437	HV *hv = newHV ();	654	HV *hv = newHV ();
		655	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		656	* chooses to make it a struct.
		657	*/
		658	unsigned long fsid = 0;
		659	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
438		660
439	rv = sv_2mortal (newRV_noinc ((SV *)hv));	661	rv = sv_2mortal (newRV_noinc ((SV *)hv));
440		662
441	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	663	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	664	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
444	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	666	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	667	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	668	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	669	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	670	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	671	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	672	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	673	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452	}	674	}
		675	#endif
453		676
454	PUSHs (rv);	677	PUSHs (rv);
455	}	678	}
456		679
457	break;	680	break;
…		…
473	case EIO_NOP:	696	case EIO_NOP:
474	case EIO_BUSY:	697	case EIO_BUSY:
475	break;	698	break;
476		699
477	case EIO_READLINK:	700	case EIO_READLINK:
		701	case EIO_REALPATH:
478	if (req->result > 0)	702	if (req->result > 0)
479	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	703	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480	break;	704	break;
481		705
482	case EIO_STAT:	706	case EIO_STAT:
483	case EIO_LSTAT:	707	case EIO_LSTAT:
484	case EIO_FSTAT:	708	case EIO_FSTAT:
485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	709	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		710
486	PL_laststatval = req->result;	711	if (!(PL_laststatval = req->result))
		712	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
487	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	713	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
		714
488	PUSHs (sv_result);	715	PUSHs (sv_result);
		716	break;
		717
		718	case EIO_SEEK:
		719	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489	break;	720	break;
490		721
491	case EIO_READ:	722	case EIO_READ:
492	{	723	{
493	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	724	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
496	SvSETMAGIC (req->sv2);	727	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	728	PUSHs (sv_result);
498	}	729	}
499	break;	730	break;
500		731
		732	case EIO_SLURP:
		733	{
		734	if (req->result >= 0)
		735	{
		736	/* if length was originally not known, we steal the malloc'ed memory */
		737	if (req->flags & EIO_FLAG_PTR2_FREE)
		738	{
		739	req->flags &= ~EIO_FLAG_PTR2_FREE;
		740	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		741	}
		742	else
		743	{
		744	SvCUR_set (req->sv2, req->result);
		745	*SvEND (req->sv2) = 0;
		746	SvPOK_only (req->sv2);
		747	}
		748
		749	SvSETMAGIC (req->sv2);
		750	}
		751
		752	PUSHs (sv_result);
		753	}
		754	break;
		755
		756	case EIO_CUSTOM:
		757	if (req->feed == fiemap)
		758	{
		759	#if HAVE_FIEMAP
		760	if (!req->result)
		761	{
		762	struct fiemap fiemap = (struct fiemap )req->ptr1;
		763
		764	if (fiemap->fm_extent_count)
		765	{
		766	AV *av = newAV ();
		767	int i;
		768
		769	while (fiemap->fm_mapped_extents)
		770	{
		771	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		772	AV *ext_av = newAV ();
		773
		774	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		775	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		776	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		777	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		778
		779	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		780	}
		781
		782	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		783	}
		784	else
		785	{
		786	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		787	PUSHs (sv_result);
		788	}
		789	}
		790	#endif
		791	}
		792	else
		793	PUSHs (sv_result);
		794	break;
		795
501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	796	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502	if (req->result > 0)	797	if (req->result > 0)
503	SvIV_set (sv_result, 0);	798	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	799	/* FALLTHROUGH */
505		800
506	default:	801	default:
…		…
526	}	821	}
527		822
528	return !!SvTRUE (ERRSV);	823	return !!SvTRUE (ERRSV);
529	}	824	}
530		825
		826	static void
531	static void req_destroy (aio_req req)	827	req_destroy (aio_req req)
532	{	828	{
533	if (req->self)	829	if (req->self)
534	{	830	{
535	sv_unmagic (req->self, PERL_MAGIC_ext);	831	sv_unmagic (req->self, PERL_MAGIC_ext);
536	SvREFCNT_dec (req->self);	832	SvREFCNT_dec (req->self);
537	}	833	}
538		834
539	SvREFCNT_dec (req->sv1);	835	SvREFCNT_dec (req->sv1);
540	SvREFCNT_dec (req->sv2);	836	SvREFCNT_dec (req->sv2);
		837	SvREFCNT_dec (req->sv3);
		838	SvREFCNT_dec (req->sv4);
541	SvREFCNT_dec (req->callback);	839	SvREFCNT_dec (req->callback);
542		840
543	Safefree (req);	841	free (req);
544	}	842	}
545		843
		844	static void
546	static void req_cancel_subs (aio_req grp)	845	req_cancel_subs (aio_req grp)
547	{	846	{
548	aio_req sub;
549
550	if (grp->type != EIO_GROUP)	847	if (grp->type != EIO_GROUP)
551	return;	848	return;
552		849
553	SvREFCNT_dec (grp->sv2);	850	SvREFCNT_dec (grp->sv2);
554	grp->sv2 = 0;	851	grp->sv2 = 0;
555		852
556	eio_grp_cancel (grp);	853	eio_grp_cancel (grp);
557	}	854	}
558		855
559	static void	856	static void ecb_cold
560	create_respipe (void)	857	create_respipe (void)
561	{	858	{
562	if (s_epipe_renew (&respipe))	859	if (s_epipe_renew (&respipe))
563	croak ("IO::AIO: unable to initialize result pipe");	860	croak ("IO::AIO: unable to initialize result pipe");
564	}	861	}
565		862
566	static void poll_wait (void)	863	static void
		864	poll_wait (void)
567	{	865	{
568	while (eio_nreqs ())	866	while (eio_nreqs ())
569	{	867	{
570	int size;	868	int size;
571		869
572	X_LOCK (reslock);	870	X_LOCK (EIO_POOL->reslock);
573	size = res_queue.size;	871	size = EIO_POOL->res_queue.size;
574	X_UNLOCK (reslock);	872	X_UNLOCK (EIO_POOL->reslock);
575		873
576	if (size)	874	if (size)
577	return;	875	return;
578		876
579	etp_maybe_start_thread ();	877	etp_maybe_start_thread (EIO_POOL);
580		878
581	s_epipe_wait (&respipe);	879	s_epipe_wait (&respipe);
582	}	880	}
583	}	881	}
584		882
585	static int poll_cb (void)	883	static int
		884	poll_cb (void)
586	{	885	{
587	for (;;)	886	for (;;)
588	{	887	{
589	int res = eio_poll ();	888	int res = eio_poll ();
590		889
…		…
596		895
597	poll_wait ();	896	poll_wait ();
598	}	897	}
599	}	898	}
600		899
601	static void atfork_child (void)	900	static void ecb_cold
		901	reinit (void)
602	{	902	{
603	create_respipe ();	903	create_respipe ();
604	}
605		904
606	/*****************************************************************************/	905	if (eio_init (want_poll, done_poll) < 0)
607		906	croak ("IO::AIO: unable to initialise eio library");
608	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610	# define munmap(addr,length) (errno = ENOSYS, -1)
611	#endif
612
613	#define MMAP_MAGIC PERL_MAGIC_ext
614
615	static int
616	mmap_free (pTHX_ SV sv, MAGIC mg)
617	{
618	int old_errno = errno;
619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620	errno = old_errno;
621
622	mg->mg_obj = 0; /* just in case */
623
624	SvREADONLY_off (sv);
625
626	if (SvPVX (sv) != mg->mg_ptr)
627	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
628
629	SvCUR_set (sv, 0);
630	SvPVX (sv) = 0;
631	SvOK_off (sv);
632
633	return 0;
634	}	907	}
635
636	static MGVTBL mmap_vtbl = {
637	0, 0, 0, 0, mmap_free
638	};
639		908
640	/*****************************************************************************/	909	/*****************************************************************************/
641		910
642	static SV *	911	static SV *
643	get_cb (SV *cb_sv)	912	get_cb (SV *cb_sv)
644	{	913	{
645	SvGETMAGIC (cb_sv);	914	SvGETMAGIC (cb_sv);
646	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	915	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
647	}	916	}
648		917
		918	static aio_req ecb_noinline
		919	dreq (SV *callback)
		920	{
		921	SV *cb_cv;
		922	aio_req req;
		923	int req_pri = next_pri;
		924	next_pri = EIO_PRI_DEFAULT;
		925
		926	cb_cv = get_cb (callback);
		927
		928	req = calloc (sizeof (*req), 1);
		929	if (!req)
		930	croak ("out of memory during eio_req allocation");
		931
		932	req->callback = SvREFCNT_inc (cb_cv);
		933	req->pri = req_pri;
		934
		935	return req;
		936	}
		937
649	#define dREQ \	938	#define dREQ \
650	SV *cb_cv; \	939	aio_req req = dreq (callback); \
651	aio_req req; \
652	int req_pri = next_pri; \
653	next_pri = EIO_PRI_DEFAULT; \
654	\
655	cb_cv = get_cb (callback); \
656	\
657	Newz (0, req, 1, eio_req); \
658	if (!req) \
659	croak ("out of memory during eio_req allocation"); \
660	\
661	req->callback = SvREFCNT_inc (cb_cv); \
662	req->pri = req_pri
663		940
664	#define REQ_SEND \	941	#define REQ_SEND \
665	PUTBACK; \	942	PUTBACK; \
666	req_submit (req); \	943	req_submit (req); \
667	SPAGAIN; \	944	SPAGAIN; \
668	\	945	\
669	if (GIMME_V != G_VOID) \	946	if (GIMME_V != G_VOID) \
670	XPUSHs (req_sv (req, aio_req_stash));	947	XPUSHs (req_sv (req, aio_req_stash));
671		948
		949	ecb_inline void
		950	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
		951	{
		952	if (expect_false (SvROK (path)))
		953	{
		954	SV *rv = SvRV (path);
		955	SV *wdob;
		956
		957	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		958	{
		959	path = AvARRAY (rv)[1];
		960	wdob = AvARRAY (rv)[0];
		961
		962	if (SvOK (wdob))
		963	{
		964	*wd = SvAIO_WD (wdob);
		965	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		966	}
		967	else
		968	*wd = EIO_INVALID_WD;
		969	}
		970	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		971	{
		972	*wd = (aio_wd)(long)SvIVX (rv);
		973	*wdsv = SvREFCNT_inc_NN (rv);
		974	*ptr = ".";
		975	return; /* path set to "." */
		976	}
		977	else
		978	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		979	}
		980
		981	*pathsv = newSVsv (path);
		982	ptr = SvPVbyte_nolen (pathsv);
		983	}
		984
		985	static void ecb_noinline
		986	req_set_path1 (aio_req req, SV *path)
		987	{
		988	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		989	}
		990
		991	static void ecb_noinline
		992	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		993	{
		994	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		995
		996	switch (SvTYPE (rv))
		997	{
		998	case SVt_PVIO:
		999	case SVt_PVLV:
		1000	case SVt_PVGV:
		1001	req->type = type_fh;
		1002	req->sv1 = newSVsv (fh_or_path);
		1003	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1004	break;
		1005
		1006	default:
		1007	req->type = type_path;
		1008	req_set_path1 (req, fh_or_path);
		1009	break;
		1010	}
		1011	}
		1012
		1013	/*****************************************************************************/
		1014
		1015	static void
		1016	ts_set (struct timespec *ts, NV value)
		1017	{
		1018	ts->tv_sec = value;
		1019	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1020	}
		1021
		1022	static NV
		1023	ts_get (const struct timespec *ts)
		1024	{
		1025	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1026	}
		1027
		1028	/*****************************************************************************/
		1029
		1030	XS(boot_IO__AIO) ecb_cold;
		1031
672	MODULE = IO::AIO PACKAGE = IO::AIO	1032	MODULE = IO::AIO PACKAGE = IO::AIO
673		1033
674	PROTOTYPES: ENABLE	1034	PROTOTYPES: ENABLE
675		1035
676	BOOT:	1036	BOOT:
…		…
680	IV iv;	1040	IV iv;
681	} *civ, const_iv[] = {	1041	} *civ, const_iv[] = {
682	# define const_niv(name, value) { # name, (IV) value },	1042	# define const_niv(name, value) { # name, (IV) value },
683	# define const_iv(name) { # name, (IV) name },	1043	# define const_iv(name) { # name, (IV) name },
684	# define const_eio(name) { # name, (IV) EIO_ ## name },	1044	# define const_eio(name) { # name, (IV) EIO_ ## name },
		1045
		1046	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1047	/* the first block can be undef if missing */
		1048	const_iv (ENOSYS)
685	const_iv (EXDEV)	1049	const_iv (EXDEV)
686	const_iv (ENOSYS)	1050	const_iv (EBADR)
		1051
		1052	/* for lseek */
		1053	const_iv (SEEK_DATA)
		1054	const_iv (SEEK_HOLE)
		1055
		1056	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1057	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1058	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1059	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1060	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1061	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1062
		1063	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1064	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1065	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1066	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1067	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1068
		1069	/* the second block will be 0 when missing */
		1070	const_iv (O_ACCMODE)
		1071
687	const_iv (O_RDONLY)	1072	const_iv (O_RDONLY)
688	const_iv (O_WRONLY)	1073	const_iv (O_WRONLY)
689	const_iv (O_RDWR)	1074	const_iv (O_RDWR)
690	const_iv (O_CREAT)	1075	const_iv (O_CREAT)
691	const_iv (O_TRUNC)	1076	const_iv (O_TRUNC)
692	const_iv (O_EXCL)	1077	const_iv (O_EXCL)
693	const_iv (O_APPEND)	1078	const_iv (O_APPEND)
694	#ifndef _WIN32	1079
		1080	const_iv (O_ASYNC)
		1081	const_iv (O_DIRECT)
		1082	const_iv (O_NOATIME)
		1083
		1084	const_iv (O_CLOEXEC)
		1085	const_iv (O_NOCTTY)
		1086	const_iv (O_NOFOLLOW)
		1087	const_iv (O_NONBLOCK)
		1088	const_iv (O_EXEC)
		1089	const_iv (O_SEARCH)
		1090	const_iv (O_DIRECTORY)
		1091	const_iv (O_DSYNC)
		1092	const_iv (O_RSYNC)
		1093	const_iv (O_SYNC)
		1094	const_iv (O_PATH)
		1095	const_iv (O_TMPFILE)
		1096	const_iv (O_TTY_INIT)
		1097
695	const_iv (S_IFIFO)	1098	const_iv (S_IFIFO)
696	#endif	1099	const_iv (S_IFCHR)
697	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	1100	const_iv (S_IFBLK)
698	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	1101	const_iv (S_IFLNK)
699	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	1102	const_iv (S_IFREG)
700	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	1103	const_iv (S_IFDIR)
701	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	1104	const_iv (S_IFWHT)
702	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	1105	const_iv (S_IFSOCK)
		1106	const_iv (S_IFMT)
703		1107
704	const_iv (ST_RDONLY)	1108	const_iv (ST_RDONLY)
705	const_iv (ST_NOSUID)	1109	const_iv (ST_NOSUID)
706	const_iv (ST_NODEV)	1110	const_iv (ST_NODEV)
707	const_iv (ST_NOEXEC)	1111	const_iv (ST_NOEXEC)
…		…
712	const_iv (ST_IMMUTABLE)	1116	const_iv (ST_IMMUTABLE)
713	const_iv (ST_NOATIME)	1117	const_iv (ST_NOATIME)
714	const_iv (ST_NODIRATIME)	1118	const_iv (ST_NODIRATIME)
715	const_iv (ST_RELATIME)	1119	const_iv (ST_RELATIME)
716		1120
		1121	const_iv (PROT_NONE)
717	const_iv (PROT_EXEC)	1122	const_iv (PROT_EXEC)
718	const_iv (PROT_NONE)
719	const_iv (PROT_READ)	1123	const_iv (PROT_READ)
720	const_iv (PROT_WRITE)	1124	const_iv (PROT_WRITE)
721		1125
722	/const_iv (MAP_FIXED)/
723	const_iv (MAP_PRIVATE)	1126	const_iv (MAP_PRIVATE)
724	const_iv (MAP_SHARED)	1127	const_iv (MAP_SHARED)
		1128	const_iv (MAP_FIXED)
725	const_iv (MAP_ANONYMOUS)	1129	const_iv (MAP_ANONYMOUS)
726		1130
727	/* linuxish */	1131	/* linuxish */
728	const_iv (MAP_HUGETLB)
729	const_iv (MAP_LOCKED)	1132	const_iv (MAP_LOCKED)
730	const_iv (MAP_NORESERVE)	1133	const_iv (MAP_NORESERVE)
731	const_iv (MAP_POPULATE)	1134	const_iv (MAP_POPULATE)
732	const_iv (MAP_NONBLOCK)	1135	const_iv (MAP_NONBLOCK)
		1136	const_iv (MAP_GROWSDOWN)
		1137	const_iv (MAP_32BIT)
		1138	const_iv (MAP_HUGETLB)
		1139	const_iv (MAP_STACK)
733		1140
		1141	const_iv (MREMAP_MAYMOVE)
		1142	const_iv (MREMAP_FIXED)
		1143
		1144	const_iv (F_DUPFD_CLOEXEC)
		1145
		1146	const_iv (MSG_CMSG_CLOEXEC)
		1147	const_iv (SOCK_CLOEXEC)
		1148
		1149	const_iv (F_OFD_GETLK)
		1150	const_iv (F_OFD_SETLK)
		1151	const_iv (F_OFD_GETLKW)
		1152
		1153	const_iv (FIFREEZE)
		1154	const_iv (FITHAW)
		1155	const_iv (FITRIM)
		1156	const_iv (FICLONE)
		1157	const_iv (FICLONERANGE)
		1158	const_iv (FIDEDUPERANGE)
		1159
		1160	const_iv (FS_IOC_GETFLAGS)
		1161	const_iv (FS_IOC_SETFLAGS)
		1162	const_iv (FS_IOC_GETVERSION)
		1163	const_iv (FS_IOC_SETVERSION)
		1164	const_iv (FS_IOC_FIEMAP)
		1165	const_iv (FS_IOC_FSGETXATTR)
		1166	const_iv (FS_IOC_FSSETXATTR)
		1167	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1168	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1169	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1170
		1171	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1172
		1173	const_iv (FS_SECRM_FL)
		1174	const_iv (FS_UNRM_FL)
		1175	const_iv (FS_COMPR_FL)
		1176	const_iv (FS_SYNC_FL)
		1177	const_iv (FS_IMMUTABLE_FL)
		1178	const_iv (FS_APPEND_FL)
		1179	const_iv (FS_NODUMP_FL)
		1180	const_iv (FS_NOATIME_FL)
		1181	const_iv (FS_DIRTY_FL)
		1182	const_iv (FS_COMPRBLK_FL)
		1183	const_iv (FS_NOCOMP_FL)
		1184	const_iv (FS_ENCRYPT_FL)
		1185	const_iv (FS_BTREE_FL)
		1186	const_iv (FS_INDEX_FL)
		1187	const_iv (FS_JOURNAL_DATA_FL)
		1188	const_iv (FS_NOTAIL_FL)
		1189	const_iv (FS_DIRSYNC_FL)
		1190	const_iv (FS_TOPDIR_FL)
		1191	const_iv (FS_FL_USER_MODIFIABLE)
		1192
		1193	const_iv (FS_XFLAG_REALTIME)
		1194	const_iv (FS_XFLAG_PREALLOC)
		1195	const_iv (FS_XFLAG_IMMUTABLE)
		1196	const_iv (FS_XFLAG_APPEND)
		1197	const_iv (FS_XFLAG_SYNC)
		1198	const_iv (FS_XFLAG_NOATIME)
		1199	const_iv (FS_XFLAG_NODUMP)
		1200	const_iv (FS_XFLAG_RTINHERIT)
		1201	const_iv (FS_XFLAG_PROJINHERIT)
		1202	const_iv (FS_XFLAG_NOSYMLINKS)
		1203	const_iv (FS_XFLAG_EXTSIZE)
		1204	const_iv (FS_XFLAG_EXTSZINHERIT)
		1205	const_iv (FS_XFLAG_NODEFRAG)
		1206	const_iv (FS_XFLAG_FILESTREAM)
		1207	const_iv (FS_XFLAG_DAX)
		1208	const_iv (FS_XFLAG_HASATTR)
		1209
		1210	const_iv (FIEMAP_FLAG_SYNC)
		1211	const_iv (FIEMAP_FLAG_XATTR)
		1212	const_iv (FIEMAP_FLAGS_COMPAT)
		1213	const_iv (FIEMAP_EXTENT_LAST)
		1214	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1215	const_iv (FIEMAP_EXTENT_DELALLOC)
		1216	const_iv (FIEMAP_EXTENT_ENCODED)
		1217	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1218	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1219	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1220	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1221	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1222	const_iv (FIEMAP_EXTENT_MERGED)
		1223	const_iv (FIEMAP_EXTENT_SHARED)
		1224
		1225	const_iv (SPLICE_F_MOVE)
		1226	const_iv (SPLICE_F_NONBLOCK)
		1227	const_iv (SPLICE_F_MORE)
		1228	const_iv (SPLICE_F_GIFT)
		1229
		1230	const_iv (EFD_CLOEXEC)
		1231	const_iv (EFD_NONBLOCK)
		1232	const_iv (EFD_SEMAPHORE)
		1233
		1234	const_iv (CLOCK_REALTIME)
		1235	const_iv (CLOCK_MONOTONIC)
		1236	const_iv (CLOCK_BOOTTIME)
		1237	const_iv (CLOCK_REALTIME_ALARM)
		1238	const_iv (CLOCK_BOOTTIME_ALARM)
		1239
		1240	const_iv (TFD_NONBLOCK)
		1241	const_iv (TFD_CLOEXEC)
		1242
		1243	const_iv (TFD_TIMER_ABSTIME)
		1244	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1245
		1246	/* these are libeio constants, and are independent of gendef0 */
		1247	const_eio (SEEK_SET)
		1248	const_eio (SEEK_CUR)
		1249	const_eio (SEEK_END)
		1250
734	const_iv (MCL_FUTURE)	1251	const_eio (MCL_FUTURE)
735	const_iv (MCL_CURRENT)	1252	const_eio (MCL_CURRENT)
736		1253
737	const_eio (MS_ASYNC)	1254	const_eio (MS_ASYNC)
738	const_eio (MS_INVALIDATE)	1255	const_eio (MS_INVALIDATE)
739	const_eio (MS_SYNC)	1256	const_eio (MS_SYNC)
740		1257
741	const_eio (MT_MODIFY)	1258	const_eio (MT_MODIFY)
742		1259
743	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1260	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
744	const_eio (SYNC_FILE_RANGE_WRITE)	1261	const_eio (SYNC_FILE_RANGE_WRITE)
745	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1262	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1263
		1264	const_eio (FALLOC_FL_KEEP_SIZE)
		1265	const_eio (FALLOC_FL_PUNCH_HOLE)
		1266	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1267	const_eio (FALLOC_FL_ZERO_RANGE)
		1268	const_eio (FALLOC_FL_INSERT_RANGE)
		1269	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1270
		1271	const_eio (RENAME_NOREPLACE)
		1272	const_eio (RENAME_EXCHANGE)
		1273	const_eio (RENAME_WHITEOUT)
746		1274
747	const_eio (READDIR_DENTS)	1275	const_eio (READDIR_DENTS)
748	const_eio (READDIR_DIRS_FIRST)	1276	const_eio (READDIR_DIRS_FIRST)
749	const_eio (READDIR_STAT_ORDER)	1277	const_eio (READDIR_STAT_ORDER)
750	const_eio (READDIR_FOUND_UNKNOWN)	1278	const_eio (READDIR_FOUND_UNKNOWN)
…		…
761	};	1289	};
762		1290
763	aio_stash = gv_stashpv ("IO::AIO" , 1);	1291	aio_stash = gv_stashpv ("IO::AIO" , 1);
764	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1292	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
765	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1293	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1294	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
766		1295
767	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1296	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
768	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1297	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
769		1298
770	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1299	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
771		1300
772	create_respipe ();	1301	reinit ();
773
774	if (eio_init (want_poll, done_poll) < 0)
775	croak ("IO::AIO: unable to initialise eio library");
776
777	/* atfork child called in fifo order, so before eio's handler */
778	X_THREAD_ATFORK (0, 0, atfork_child);
779	}	1302	}
780		1303
781	void	1304	void
		1305	reinit ()
		1306	PROTOTYPE:
		1307
		1308	void
782	max_poll_reqs (int nreqs)	1309	max_poll_reqs (unsigned int nreqs)
783	PROTOTYPE: $	1310	PROTOTYPE: $
784	CODE:	1311	CODE:
785	eio_set_max_poll_reqs (nreqs);	1312	eio_set_max_poll_reqs (nreqs);
786		1313
787	void	1314	void
…		…
789	PROTOTYPE: $	1316	PROTOTYPE: $
790	CODE:	1317	CODE:
791	eio_set_max_poll_time (nseconds);	1318	eio_set_max_poll_time (nseconds);
792		1319
793	void	1320	void
794	min_parallel (int nthreads)	1321	min_parallel (unsigned int nthreads)
795	PROTOTYPE: $	1322	PROTOTYPE: $
796	CODE:	1323	CODE:
797	eio_set_min_parallel (nthreads);	1324	eio_set_min_parallel (nthreads);
798		1325
799	void	1326	void
800	max_parallel (int nthreads)	1327	max_parallel (unsigned int nthreads)
801	PROTOTYPE: $	1328	PROTOTYPE: $
802	CODE:	1329	CODE:
803	eio_set_max_parallel (nthreads);	1330	eio_set_max_parallel (nthreads);
804		1331
805	void	1332	void
806	max_idle (int nthreads)	1333	max_idle (unsigned int nthreads)
807	PROTOTYPE: $	1334	PROTOTYPE: $
808	CODE:	1335	CODE:
809	eio_set_max_idle (nthreads);	1336	eio_set_max_idle (nthreads);
810		1337
811	void	1338	void
		1339	idle_timeout (unsigned int seconds)
		1340	PROTOTYPE: $
		1341	CODE:
		1342	eio_set_idle_timeout (seconds);
		1343
		1344	void
812	max_outstanding (int maxreqs)	1345	max_outstanding (unsigned int maxreqs)
813	PROTOTYPE: $	1346	PROTOTYPE: $
814	CODE:	1347	CODE:
815	max_outstanding = maxreqs;	1348	max_outstanding = maxreqs;
816		1349
817	void	1350	void
818	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1351	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
819	PROTOTYPE: $$$;$
820	PPCODE:	1352	PPCODE:
821	{	1353	{
822	dREQ;	1354	dREQ;
823		1355
		1356	req->type = EIO_WD_OPEN;
		1357	req_set_path1 (req, pathname);
		1358
		1359	REQ_SEND;
		1360	}
		1361
		1362	void
		1363	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
		1364	PPCODE:
		1365	{
		1366	dREQ;
		1367
824	req->type = EIO_OPEN;	1368	req->type = EIO_OPEN;
825	req->sv1 = newSVsv (pathname);	1369	req_set_path1 (req, pathname);
826	req->ptr1 = SvPVbyte_nolen (req->sv1);
827	req->int1 = flags;	1370	req->int1 = flags;
828	req->int2 = mode;	1371	req->int2 = mode;
829		1372
830	REQ_SEND;	1373	REQ_SEND;
831	}	1374	}
832		1375
833	void	1376	void
834	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1377	aio_fsync (SV fh, SV callback = &PL_sv_undef)
835	PROTOTYPE: $;$
836	ALIAS:	1378	ALIAS:
837	aio_fsync = EIO_FSYNC	1379	aio_fsync = EIO_FSYNC
838	aio_fdatasync = EIO_FDATASYNC	1380	aio_fdatasync = EIO_FDATASYNC
		1381	aio_syncfs = EIO_SYNCFS
839	PPCODE:	1382	PPCODE:
840	{	1383	{
841	int fd = s_fileno_croak (fh, 0);	1384	int fd = s_fileno_croak (fh, 0);
842	dREQ;	1385	dREQ;
843		1386
844	req->type = ix;	1387	req->type = ix;
845	req->sv1 = newSVsv (fh);	1388	req->sv1 = newSVsv (fh);
846	req->int1 = fd;	1389	req->int1 = fd;
847		1390
848	REQ_SEND (req);	1391	REQ_SEND;
849	}	1392	}
850		1393
851	void	1394	void
852	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1395	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
853	PROTOTYPE: $$$$;$
854	PPCODE:	1396	PPCODE:
855	{	1397	{
856	int fd = s_fileno_croak (fh, 0);	1398	int fd = s_fileno_croak (fh, 0);
857	dREQ;	1399	dREQ;
858		1400
859	req->type = EIO_SYNC_FILE_RANGE;	1401	req->type = EIO_SYNC_FILE_RANGE;
860	req->sv1 = newSVsv (fh);	1402	req->sv1 = newSVsv (fh);
861	req->int1 = fd;	1403	req->int1 = fd;
862	req->offs = offset;	1404	req->offs = offset;
863	req->size = nbytes;	1405	req->size = nbytes;
864	req->int2 = flags;	1406	req->int2 = flags;
865		1407
866	REQ_SEND (req);	1408	REQ_SEND;
867	}	1409	}
868		1410
869	void	1411	void
870	aio_close (SV fh, SV callback=&PL_sv_undef)	1412	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
871	PROTOTYPE: $;$
872	PPCODE:	1413	PPCODE:
873	{	1414	{
874	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
875	int fd = s_fileno_croak (fh, 0);	1415	int fd = s_fileno_croak (fh, 0);
876	dREQ;	1416	dREQ;
877		1417
878	if (close_pipe < 0)	1418	req->type = EIO_FALLOCATE;
		1419	req->sv1 = newSVsv (fh);
		1420	req->int1 = fd;
		1421	req->int2 = mode;
		1422	req->offs = offset;
		1423	req->size = len;
		1424
		1425	REQ_SEND;
		1426	}
		1427
		1428	void
		1429	aio_close (SV fh, SV callback = &PL_sv_undef)
		1430	PPCODE:
		1431	{
		1432	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1433	int fd = s_fileno_croak (fh, 0);
		1434	dREQ;
		1435
		1436	if (expect_false (close_fd < 0))
879	{	1437	{
880	int pipefd [2];	1438	int pipefd [2];
881		1439
		1440	if (
		1441	#ifdef _WIN32
		1442	_pipe (pipefd, 1, _O_BINARY) < 0
		1443	#else
882	if (pipe (pipefd) < 0	1444	pipe (pipefd) < 0
883	\|\| close (pipefd [1]) < 0
884	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1445	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1446	#endif
		1447	\|\| close (pipefd [1]) < 0
		1448	)
885	abort (); /D/	1449	abort (); /D/
886		1450
887	close_pipe = pipefd [0];	1451	close_fd = pipefd [0];
888	}	1452	}
889		1453
890	req->type = EIO_DUP2;	1454	req->type = EIO_DUP2;
891	req->int1 = close_pipe;	1455	req->int1 = close_fd;
892	req->sv2 = newSVsv (fh);	1456	req->sv2 = newSVsv (fh);
893	req->int2 = fd;	1457	req->int2 = fd;
894		1458
895	REQ_SEND (req);	1459	REQ_SEND;
896	}	1460	}
897		1461
898	void	1462	void
		1463	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
		1464	PPCODE:
		1465	{
		1466	int fd = s_fileno_croak (fh, 0);
		1467	dREQ;
		1468
		1469	req->type = EIO_SEEK;
		1470	req->sv1 = newSVsv (fh);
		1471	req->int1 = fd;
		1472	req->offs = SvVAL64 (offset);
		1473	req->int2 = whence;
		1474
		1475	REQ_SEND;
		1476	}
		1477
		1478	void
899	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1479	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
900	ALIAS:	1480	ALIAS:
901	aio_read = EIO_READ	1481	aio_read = EIO_READ
902	aio_write = EIO_WRITE	1482	aio_write = EIO_WRITE
903	PROTOTYPE: $$$$$;$
904	PPCODE:	1483	PPCODE:
905	{	1484	{
906	STRLEN svlen;	1485	STRLEN svlen;
907	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1486	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
908	char *svptr = SvPVbyte (data, svlen);	1487	char *svptr = SvPVbyte (data, svlen);
…		…
921	len = svlen - dataoffset;	1500	len = svlen - dataoffset;
922	}	1501	}
923	else	1502	else
924	{	1503	{
925	/* read: check type and grow scalar as necessary */	1504	/* read: check type and grow scalar as necessary */
926	SvUPGRADE (data, SVt_PV);	1505	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
927	svptr = SvGROW (data, len + dataoffset + 1);	1506	svptr = sv_grow (data, len + dataoffset + 1);
		1507	else if (SvCUR (data) < len + dataoffset)
		1508	croak ("length + dataoffset outside of scalar, and cannot grow");
928	}	1509	}
929		1510
930	{	1511	{
931	dREQ;	1512	dREQ;
932		1513
…		…
948	REQ_SEND;	1529	REQ_SEND;
949	}	1530	}
950	}	1531	}
951		1532
952	void	1533	void
953	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1534	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
954	PROTOTYPE: $$;$	1535	ALIAS:
		1536	aio_ioctl = EIO_IOCTL
		1537	aio_fcntl = EIO_FCNTL
955	PPCODE:	1538	PPCODE:
956	{	1539	{
957	SV *data;	1540	int fd = s_fileno_croak (fh, 0);
		1541	char *svptr;
		1542
		1543	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1544	{
		1545	STRLEN svlen;
		1546	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1547	#ifdef IOCPARM_LEN
		1548	STRLEN need = IOCPARM_LEN (request);
		1549	#else
		1550	STRLEN need = 256;
		1551	#endif
		1552
		1553	if (svlen < need)
		1554	svptr = SvGROW (arg, need);
		1555	}
		1556	else
		1557	svptr = (char *)SvIV (arg);
		1558
		1559	{
		1560	dREQ;
		1561
		1562	req->type = ix;
		1563	req->sv1 = newSVsv (fh);
		1564	req->int1 = fd;
		1565	req->int2 = (long)request;
		1566	req->sv2 = SvREFCNT_inc (arg);
		1567	req->ptr2 = svptr;
		1568
		1569	REQ_SEND;
		1570	}
		1571	}
		1572
		1573	void
		1574	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
		1575	ALIAS:
		1576	aio_readlink = EIO_READLINK
		1577	aio_realpath = EIO_REALPATH
		1578	PPCODE:
		1579	{
958	dREQ;	1580	dREQ;
959		1581
960	req->type = EIO_READLINK;	1582	req->type = ix;
961	req->sv1 = newSVsv (path);	1583	req_set_path1 (req, pathname);
962	req->ptr1 = SvPVbyte_nolen (req->sv1);
963		1584
964	REQ_SEND;	1585	REQ_SEND;
965	}	1586	}
966		1587
967	void	1588	void
968	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1589	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
969	PROTOTYPE: $$$$;$
970	PPCODE:	1590	PPCODE:
971	{	1591	{
972	int ifd = s_fileno_croak (in_fh , 0);	1592	int ifd = s_fileno_croak (in_fh , 0);
973	int ofd = s_fileno_croak (out_fh, 1);	1593	int ofd = s_fileno_croak (out_fh, 1);
974	dREQ;	1594	dREQ;
975		1595
976	req->type = EIO_SENDFILE;	1596	req->type = EIO_SENDFILE;
977	req->sv1 = newSVsv (out_fh);	1597	req->sv1 = newSVsv (out_fh);
978	req->int1 = ofd;	1598	req->int1 = ofd;
…		…
983		1603
984	REQ_SEND;	1604	REQ_SEND;
985	}	1605	}
986		1606
987	void	1607	void
988	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1608	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
989	PROTOTYPE: $$$;$
990	PPCODE:	1609	PPCODE:
991	{	1610	{
992	int fd = s_fileno_croak (fh, 0);	1611	int fd = s_fileno_croak (fh, 0);
993	dREQ;	1612	dREQ;
994		1613
995	req->type = EIO_READAHEAD;	1614	req->type = EIO_READAHEAD;
996	req->sv1 = newSVsv (fh);	1615	req->sv1 = newSVsv (fh);
997	req->int1 = fd;	1616	req->int1 = fd;
…		…
1000		1619
1001	REQ_SEND;	1620	REQ_SEND;
1002	}	1621	}
1003		1622
1004	void	1623	void
1005	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1624	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1006	ALIAS:	1625	ALIAS:
1007	aio_stat = EIO_STAT	1626	aio_stat = EIO_STAT
1008	aio_lstat = EIO_LSTAT	1627	aio_lstat = EIO_LSTAT
1009	aio_statvfs = EIO_STATVFS	1628	aio_statvfs = EIO_STATVFS
1010	PPCODE:	1629	PPCODE:
1011	{	1630	{
1012	dREQ;	1631	dREQ;
1013		1632
1014	req->sv1 = newSVsv (fh_or_path);	1633	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1015
1016	if (SvPOK (req->sv1))
1017	{
1018	req->type = ix;
1019	req->ptr1 = SvPVbyte_nolen (req->sv1);
1020	}
1021	else
1022	{
1023	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1024	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1025	}
1026		1634
1027	REQ_SEND;	1635	REQ_SEND;
1028	}	1636	}
1029		1637
1030	void	1638	void
		1639	st_xtime ()
		1640	ALIAS:
		1641	st_atime = 1
		1642	st_mtime = 2
		1643	st_ctime = 4
		1644	st_xtime = 7
		1645	PPCODE:
		1646	EXTEND (SP, 3);
		1647	if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1648	if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1649	if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1650
		1651	void
		1652	st_xtimensec ()
		1653	ALIAS:
		1654	st_atimensec = 1
		1655	st_mtimensec = 2
		1656	st_ctimensec = 4
		1657	st_xtimensec = 7
		1658	PPCODE:
		1659	EXTEND (SP, 3);
		1660	if (ix & 1) PUSHs (newSViv (ATIMENSEC));
		1661	if (ix & 2) PUSHs (newSViv (MTIMENSEC));
		1662	if (ix & 4) PUSHs (newSViv (CTIMENSEC));
		1663
		1664	UV
		1665	major (UV dev)
		1666	ALIAS:
		1667	minor = 1
		1668	CODE:
		1669	RETVAL = ix ? minor (dev) : major (dev);
		1670	OUTPUT:
		1671	RETVAL
		1672
		1673	UV
		1674	makedev (UV maj, UV min)
		1675	CODE:
		1676	RETVAL = makedev (maj, min);
		1677	OUTPUT:
		1678	RETVAL
		1679
		1680	void
1031	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1681	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1032	PPCODE:	1682	PPCODE:
1033	{	1683	{
1034	dREQ;	1684	dREQ;
1035		1685
1036	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1686	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1037	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1687	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1038	req->sv1 = newSVsv (fh_or_path);	1688	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1039
1040	if (SvPOK (req->sv1))
1041	{
1042	req->type = EIO_UTIME;
1043	req->ptr1 = SvPVbyte_nolen (req->sv1);
1044	}
1045	else
1046	{
1047	req->type = EIO_FUTIME;
1048	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1049	}
1050		1689
1051	REQ_SEND;	1690	REQ_SEND;
1052	}	1691	}
1053		1692
1054	void	1693	void
1055	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1694	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1056	PPCODE:	1695	PPCODE:
1057	{	1696	{
1058	dREQ;	1697	dREQ;
1059		1698
1060	req->sv1 = newSVsv (fh_or_path);
1061	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1699	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1062		1700	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1063	if (SvPOK (req->sv1))
1064	{
1065	req->type = EIO_TRUNCATE;
1066	req->ptr1 = SvPVbyte_nolen (req->sv1);
1067	}
1068	else
1069	{
1070	req->type = EIO_FTRUNCATE;
1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072	}
1073		1701
1074	REQ_SEND;	1702	REQ_SEND;
1075	}	1703	}
1076		1704
1077	void	1705	void
1078	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1706	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1079	ALIAS:
1080	aio_chmod = EIO_CHMOD
1081	aio_mkdir = EIO_MKDIR
1082	PPCODE:	1707	PPCODE:
1083	{	1708	{
1084	dREQ;	1709	dREQ;
1085		1710
1086	req->int2 = mode;	1711	req->int2 = mode;
1087	req->sv1 = newSVsv (fh_or_path);	1712	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1088
1089	if (SvPOK (req->sv1))
1090	{
1091	req->type = ix;
1092	req->ptr1 = SvPVbyte_nolen (req->sv1);
1093	}
1094	else
1095	{
1096	req->type = EIO_FCHMOD;
1097	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1098	}
1099		1713
1100	REQ_SEND;	1714	REQ_SEND;
1101	}	1715	}
1102		1716
1103	void	1717	void
1104	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1718	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1105	PPCODE:	1719	PPCODE:
1106	{	1720	{
1107	dREQ;	1721	dREQ;
1108		1722
1109	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1723	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1110	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1724	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1111	req->sv1 = newSVsv (fh_or_path);	1725	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1112
1113	if (SvPOK (req->sv1))
1114	{
1115	req->type = EIO_CHOWN;
1116	req->ptr1 = SvPVbyte_nolen (req->sv1);
1117	}
1118	else
1119	{
1120	req->type = EIO_FCHOWN;
1121	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1122	}
1123		1726
1124	REQ_SEND;	1727	REQ_SEND;
1125	}	1728	}
1126		1729
1127	void	1730	void
1128	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1731	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1129	PPCODE:	1732	PPCODE:
1130	{	1733	{
1131	dREQ;	1734	dREQ;
1132		1735
1133	req->type = EIO_READDIR;	1736	req->type = EIO_READDIR;
1134	req->sv1 = newSVsv (pathname);
1135	req->ptr1 = SvPVbyte_nolen (req->sv1);
1136	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1737	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1137		1738
1138	if (flags & EIO_READDIR_DENTS)	1739	if (flags & EIO_READDIR_DENTS)
1139	req->int1 \|= EIO_READDIR_CUSTOM2;	1740	req->int1 \|= EIO_READDIR_CUSTOM2;
1140		1741
		1742	req_set_path1 (req, pathname);
		1743
1141	REQ_SEND;	1744	REQ_SEND;
1142	}	1745	}
1143		1746
1144	void	1747	void
		1748	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
		1749	PPCODE:
		1750	{
		1751	dREQ;
		1752
		1753	req->type = EIO_MKDIR;
		1754	req->int2 = mode;
		1755	req_set_path1 (req, pathname);
		1756
		1757	REQ_SEND;
		1758	}
		1759
		1760	void
1145	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1761	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1146	ALIAS:	1762	ALIAS:
1147	aio_unlink = EIO_UNLINK	1763	aio_unlink = EIO_UNLINK
1148	aio_rmdir = EIO_RMDIR	1764	aio_rmdir = EIO_RMDIR
1149	aio_readdir = EIO_READDIR	1765	aio_readdir = EIO_READDIR
1150	PPCODE:	1766	PPCODE:
1151	{	1767	{
1152	dREQ;	1768	dREQ;
1153		1769
1154	req->type = ix;	1770	req->type = ix;
1155	req->sv1 = newSVsv (pathname);	1771	req_set_path1 (req, pathname);
1156	req->ptr1 = SvPVbyte_nolen (req->sv1);
1157		1772
1158	REQ_SEND;	1773	REQ_SEND;
1159	}	1774	}
1160		1775
1161	void	1776	void
1162	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1777	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1163	ALIAS:	1778	ALIAS:
1164	aio_link = EIO_LINK	1779	aio_link = EIO_LINK
1165	aio_symlink = EIO_SYMLINK	1780	aio_symlink = EIO_SYMLINK
1166	aio_rename = EIO_RENAME	1781	aio_rename = EIO_RENAME
1167	PPCODE:	1782	PPCODE:
1168	{	1783	{
		1784	eio_wd wd2 = 0;
1169	dREQ;	1785	dREQ;
1170		1786
1171	req->type = ix;	1787	req->type = ix;
1172	req->sv1 = newSVsv (oldpath);	1788	req_set_path1 (req, oldpath);
1173	req->ptr1 = SvPVbyte_nolen (req->sv1);	1789	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1174	req->sv2 = newSVsv (newpath);	1790	req->int3 = (long)wd2;
1175	req->ptr2 = SvPVbyte_nolen (req->sv2);
1176		1791
1177	REQ_SEND;	1792	REQ_SEND;
1178	}	1793	}
1179		1794
1180	void	1795	void
		1796	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1797	PPCODE:
		1798	{
		1799	eio_wd wd2 = 0;
		1800	dREQ;
		1801
		1802	req->type = EIO_RENAME;
		1803	req_set_path1 (req, oldpath);
		1804	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1805	req->int2 = flags;
		1806	req->int3 = (long)wd2;
		1807
		1808	REQ_SEND;
		1809	}
		1810
		1811	void
1181	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1812	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1182	PPCODE:	1813	PPCODE:
1183	{	1814	{
1184	dREQ;	1815	dREQ;
1185		1816
1186	req->type = EIO_MKNOD;	1817	req->type = EIO_MKNOD;
1187	req->sv1 = newSVsv (pathname);
1188	req->ptr1 = SvPVbyte_nolen (req->sv1);
1189	req->int2 = (mode_t)mode;	1818	req->int2 = (mode_t)mode;
1190	req->offs = dev;	1819	req->offs = dev;
		1820	req_set_path1 (req, pathname);
1191		1821
1192	REQ_SEND;	1822	REQ_SEND;
1193	}	1823	}
1194		1824
1195	void	1825	void
1196	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1826	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1197	ALIAS:	1827	ALIAS:
1198	aio_mtouch = EIO_MTOUCH	1828	aio_mtouch = EIO_MTOUCH
1199	aio_msync = EIO_MSYNC	1829	aio_msync = EIO_MSYNC
1200	PROTOTYPE: $$$$;$
1201	PPCODE:	1830	PPCODE:
1202	{	1831	{
1203	STRLEN svlen;	1832	STRLEN svlen;
		1833	char *svptr = SvPVbyte (data, svlen);
1204	UV len = SvUV (length);	1834	UV len = SvUV (length);
1205	char *svptr = SvPVbyte (data, svlen);	1835
		1836	if (flags < 0)
		1837	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1206		1838
1207	if (offset < 0)	1839	if (offset < 0)
1208	offset += svlen;	1840	offset += svlen;
1209		1841
1210	if (offset < 0 \|\| offset > svlen)	1842	if (offset < 0 \|\| offset > svlen)
…		…
1215		1847
1216	{	1848	{
1217	dREQ;	1849	dREQ;
1218		1850
1219	req->type = ix;	1851	req->type = ix;
1220	req->size = len;
1221	req->sv2 = SvREFCNT_inc (data);	1852	req->sv2 = SvREFCNT_inc (data);
1222	req->ptr2 = (char *)svptr + offset;	1853	req->ptr2 = (char *)svptr + offset;
		1854	req->size = len;
1223	req->int1 = flags;	1855	req->int1 = flags;
1224		1856
1225	REQ_SEND;	1857	REQ_SEND;
1226	}	1858	}
1227	}	1859	}
1228		1860
1229	void	1861	void
		1862	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1863	PPCODE:
		1864	{
		1865	STRLEN svlen;
		1866	char *svptr = SvPVbyte (data, svlen);
		1867	UV len = SvUV (length);
		1868
		1869	if (offset < 0)
		1870	offset += svlen;
		1871
		1872	if (offset < 0 \|\| offset > svlen)
		1873	croak ("offset outside of scalar");
		1874
		1875	if (!SvOK (length) \|\| len + offset > svlen)
		1876	len = svlen - offset;
		1877
		1878	{
		1879	dREQ;
		1880
		1881	req->type = EIO_MLOCK;
		1882	req->sv2 = SvREFCNT_inc (data);
		1883	req->ptr2 = (char *)svptr + offset;
		1884	req->size = len;
		1885
		1886	REQ_SEND;
		1887	}
		1888	}
		1889
		1890	void
		1891	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1892	PPCODE:
		1893	{
		1894	dREQ;
		1895
		1896	req->type = EIO_MLOCKALL;
		1897	req->int1 = flags;
		1898
		1899	REQ_SEND;
		1900	}
		1901
		1902	void
		1903	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
		1904	PPCODE:
		1905	{
		1906	int fd = s_fileno_croak (fh, 0);
		1907	dREQ;
		1908
		1909	req->type = EIO_CUSTOM;
		1910	req->sv1 = newSVsv (fh);
		1911	req->int1 = fd;
		1912
		1913	req->feed = fiemap;
		1914	#if HAVE_FIEMAP
		1915	/* keep our fingers crossed that the next two types are 64 bit */
		1916	req->offs = start;
		1917	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1918	req->int2 = flags;
		1919	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1920	#endif
		1921
		1922	REQ_SEND;
		1923	}
		1924
		1925	void
		1926	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1927	PPCODE:
		1928	{
		1929	char *svptr = 0;
		1930
		1931	sv_clear_foreign (data);
		1932
		1933	if (length) /* known length, directly read into scalar */
		1934	{
		1935	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1936	svptr = sv_grow (data, length + 1);
		1937	else if (SvCUR (data) < length)
		1938	croak ("length outside of scalar, and cannot grow");
		1939	else
		1940	svptr = SvPVbyte_nolen (data);
		1941	}
		1942
		1943	{
		1944	dREQ;
		1945
		1946	req->type = EIO_SLURP;
		1947	req_set_path1 (req, pathname);
		1948	req->offs = offset;
		1949	req->size = length;
		1950	req->sv2 = SvREFCNT_inc (data);
		1951	req->ptr2 = svptr;
		1952
		1953	if (!SvREADONLY (data))
		1954	{
		1955	SvREADONLY_on (data);
		1956	req->flags \|= FLAG_SV2_RO_OFF;
		1957	}
		1958
		1959	REQ_SEND;
		1960	}
		1961	}
		1962
		1963	void
1230	aio_busy (double delay, SV *callback=&PL_sv_undef)	1964	aio_busy (double delay, SV *callback = &PL_sv_undef)
1231	PPCODE:	1965	PPCODE:
1232	{	1966	{
1233	dREQ;	1967	dREQ;
1234		1968
1235	req->type = EIO_BUSY;	1969	req->type = EIO_BUSY;
…		…
1237		1971
1238	REQ_SEND;	1972	REQ_SEND;
1239	}	1973	}
1240		1974
1241	void	1975	void
1242	aio_group (SV *callback=&PL_sv_undef)	1976	aio_group (SV *callback = &PL_sv_undef)
1243	PROTOTYPE: ;$
1244	PPCODE:	1977	PPCODE:
1245	{	1978	{
1246	dREQ;	1979	dREQ;
1247		1980
1248	req->type = EIO_GROUP;	1981	req->type = EIO_GROUP;
1249		1982
		1983	PUTBACK;
1250	req_submit (req);	1984	req_submit (req);
		1985	SPAGAIN;
		1986
1251	XPUSHs (req_sv (req, aio_grp_stash));	1987	XPUSHs (req_sv (req, aio_grp_stash));
1252	}	1988	}
1253		1989
1254	void	1990	void
1255	aio_nop (SV *callback=&PL_sv_undef)	1991	aio_nop (SV *callback = &PL_sv_undef)
1256	ALIAS:	1992	ALIAS:
1257	aio_nop = EIO_NOP	1993	aio_nop = EIO_NOP
1258	aio_sync = EIO_SYNC	1994	aio_sync = EIO_SYNC
1259	PPCODE:	1995	PPCODE:
1260	{	1996	{
…		…
1264		2000
1265	REQ_SEND;	2001	REQ_SEND;
1266	}	2002	}
1267		2003
1268	int	2004	int
1269	aioreq_pri (int pri = 0)	2005	aioreq_pri (int pri = NO_INIT)
1270	PROTOTYPE: ;$
1271	CODE:	2006	CODE:
1272	RETVAL = next_pri;	2007	RETVAL = next_pri;
1273	if (items > 0)	2008	if (items > 0)
1274	{	2009	{
1275	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2010	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1287	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	2022	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1288	next_pri = nice;	2023	next_pri = nice;
1289		2024
1290	void	2025	void
1291	flush ()	2026	flush ()
1292	PROTOTYPE:
1293	CODE:	2027	CODE:
1294	while (eio_nreqs ())	2028	while (eio_nreqs ())
1295	{	2029	{
1296	poll_wait ();	2030	poll_wait ();
1297	poll_cb ();	2031	poll_cb ();
1298	}	2032	}
1299		2033
1300	int	2034	int
1301	poll()	2035	poll ()
1302	PROTOTYPE:
1303	CODE:	2036	CODE:
1304	poll_wait ();	2037	poll_wait ();
1305	RETVAL = poll_cb ();	2038	RETVAL = poll_cb ();
1306	OUTPUT:	2039	OUTPUT:
1307	RETVAL	2040	RETVAL
1308		2041
1309	int	2042	int
1310	poll_fileno()	2043	poll_fileno ()
1311	PROTOTYPE:
1312	CODE:	2044	CODE:
1313	RETVAL = s_epipe_fd (&respipe);	2045	RETVAL = s_epipe_fd (&respipe);
1314	OUTPUT:	2046	OUTPUT:
1315	RETVAL	2047	RETVAL
1316		2048
1317	int	2049	int
1318	poll_cb(...)	2050	poll_cb (...)
1319	PROTOTYPE:	2051	PROTOTYPE:
1320	CODE:	2052	CODE:
1321	RETVAL = poll_cb ();	2053	RETVAL = poll_cb ();
1322	OUTPUT:	2054	OUTPUT:
1323	RETVAL	2055	RETVAL
1324		2056
1325	void	2057	void
1326	poll_wait()	2058	poll_wait ()
1327	PROTOTYPE:
1328	CODE:	2059	CODE:
1329	poll_wait ();	2060	poll_wait ();
1330		2061
1331	int	2062	int
1332	nreqs()	2063	nreqs ()
1333	PROTOTYPE:
1334	CODE:	2064	CODE:
1335	RETVAL = eio_nreqs ();	2065	RETVAL = eio_nreqs ();
1336	OUTPUT:	2066	OUTPUT:
1337	RETVAL	2067	RETVAL
1338		2068
1339	int	2069	int
1340	nready()	2070	nready ()
1341	PROTOTYPE:
1342	CODE:	2071	CODE:
1343	RETVAL = eio_nready ();	2072	RETVAL = eio_nready ();
1344	OUTPUT:	2073	OUTPUT:
1345	RETVAL	2074	RETVAL
1346		2075
1347	int	2076	int
1348	npending()	2077	npending ()
1349	PROTOTYPE:
1350	CODE:	2078	CODE:
1351	RETVAL = eio_npending ();	2079	RETVAL = eio_npending ();
1352	OUTPUT:	2080	OUTPUT:
1353	RETVAL	2081	RETVAL
1354		2082
1355	int	2083	int
1356	nthreads()	2084	nthreads ()
1357	PROTOTYPE:
1358	CODE:	2085	CODE:
1359	RETVAL = eio_nthreads ();	2086	RETVAL = eio_nthreads ();
1360	OUTPUT:	2087	OUTPUT:
1361	RETVAL	2088	RETVAL
1362		2089
1363	int	2090	int
1364	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	2091	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1365	PROTOTYPE: $$$$
1366	CODE:	2092	CODE:
1367	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368	RETVAL = posix_fadvise (fh, offset, length, advice);	2093	RETVAL = posix_fadvise (fh, offset, length, advice);
1369	#else
1370	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371	#endif
1372	OUTPUT:	2094	OUTPUT:
1373	RETVAL	2095	RETVAL
1374		2096
1375	ssize_t	2097	IV
1376	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2098	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377	PROTOTYPE: $$$$
1378	CODE:	2099	CODE:
1379	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2100	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380	OUTPUT:	2101	OUTPUT:
1381	RETVAL	2102	RETVAL
1382		2103
1383	void	2104	void
1384	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	2105	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1385	PROTOTYPE: $$$$$;$
1386	PPCODE:	2106	PPCODE:
1387	sv_unmagic (scalar, MMAP_MAGIC);	2107	sv_clear_foreign (scalar);
1388	{	2108	{
1389	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2109	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1390	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2110	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1391	if (addr == (void *)-1)	2111	if (addr == (void *)-1)
1392	XSRETURN_NO;	2112	XSRETURN_NO;
1393		2113
1394	sv_force_normal (scalar);	2114	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1395
1396	/* we store the length in mg_obj, as namlen is I32 :/ */
1397	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1398	->mg_obj = (SV *)length;
1399
1400	SvUPGRADE (scalar, SVt_PV); /* nop... */
1401		2115
1402	if (!(prot & PROT_WRITE))	2116	if (!(prot & PROT_WRITE))
1403	SvREADONLY_on (scalar);	2117	SvREADONLY_on (scalar);
1404		2118
1405	if (SvLEN (scalar))
1406	Safefree (SvPVX (scalar));
1407
1408	SvPVX (scalar) = (char *)addr;
1409	SvCUR_set (scalar, length);
1410	SvLEN_set (scalar, 0);
1411	SvPOK_only (scalar);
1412
1413	XSRETURN_YES;	2119	XSRETURN_YES;
1414	}	2120	}
1415		2121
1416	void	2122	void
1417	munmap (SV *scalar)	2123	munmap (SV *scalar)
1418	PROTOTYPE: $
1419	CODE:	2124	CODE:
1420	sv_unmagic (scalar, MMAP_MAGIC);	2125	sv_clear_foreign (scalar);
		2126
		2127	SV *
		2128	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2129	CODE:
		2130	{
		2131	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2132	void *new;
		2133
		2134	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2135	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2136
		2137	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2138
		2139	RETVAL = &PL_sv_no;
		2140
		2141	if (new != (void *)-1)
		2142	{
		2143	RETVAL = new == (void *)mg->mg_ptr
		2144	? newSVpvn ("0 but true", 10)
		2145	: &PL_sv_yes;
		2146
		2147	mg->mg_ptr = (char *)new;
		2148	mg->mg_obj = (SV *)new_length;
		2149
		2150	SvPVX (scalar) = mg->mg_ptr;
		2151	SvCUR_set (scalar, new_length);
		2152	}
		2153	}
		2154	OUTPUT:
		2155	RETVAL
1421		2156
1422	int	2157	int
1423	mlockall (int flags)	2158	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1424	PROTOTYPE: $	2159	ALIAS:
		2160	mprotect = 1
1425	CODE:	2161	CODE:
		2162	{
		2163	STRLEN svlen;
		2164	void *addr = SvPVbyte (scalar, svlen);
		2165	STRLEN len = SvUV (length);
		2166
		2167	if (offset < 0)
		2168	offset += svlen;
		2169
		2170	if (offset < 0 \|\| offset > svlen)
		2171	croak ("offset outside of scalar");
		2172
		2173	if (!SvOK (length) \|\| len + offset > svlen)
		2174	len = svlen - offset;
		2175
		2176	addr = (void *)(((intptr_t)addr) + offset);
		2177	eio_page_align (&addr, &len);
		2178
		2179	switch (ix)
		2180	{
		2181	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		2182	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		2183	}
		2184	}
		2185	OUTPUT:
		2186	RETVAL
		2187
		2188	int
		2189	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)
		2190	CODE:
		2191	{
		2192	STRLEN svlen;
		2193	void *addr = SvPVbyte (scalar, svlen);
		2194	size_t len = SvUV (length);
		2195
		2196	if (offset < 0)
		2197	offset += svlen;
		2198
		2199	if (offset < 0 \|\| offset > svlen)
		2200	croak ("offset outside of scalar");
		2201
		2202	if (!SvOK (length) \|\| len + offset > svlen)
		2203	len = svlen - offset;
		2204
		2205	addr = (void *)(((intptr_t)addr) + offset);
		2206	eio_page_align (&addr, &len);
1426	#if _POSIX_MEMLOCK	2207	#if _POSIX_MEMLOCK_RANGE
1427	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	2208	RETVAL = munlock (addr, len);
1428	extern int mallopt (int, int);
1429	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1430	#endif
1431	mlockall (flags);
1432	#else	2209	#else
1433	RETVAL = -1;	2210	RETVAL = EIO_ENOSYS ();
1434	errno = ENOSYS;
1435	#endif	2211	#endif
		2212	}
1436	OUTPUT:	2213	OUTPUT:
1437	RETVAL	2214	RETVAL
1438		2215
1439	int	2216	int
1440	munlockall ()	2217	munlockall ()
1441	PROTOTYPE:
1442	CODE:	2218	CODE:
1443	#if _POSIX_MEMLOCK	2219	#if _POSIX_MEMLOCK
1444	munlockall ();	2220	munlockall ();
1445	#else	2221	#else
1446	RETVAL = -1;	2222	RETVAL = EIO_ENOSYS ();
1447	errno = ENOSYS;
1448	#endif	2223	#endif
1449	OUTPUT:	2224	OUTPUT:
1450	RETVAL	2225	RETVAL
		2226
		2227	int
		2228	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		2229	CODE:
		2230	{
		2231	#if HAVE_LINUX_SPLICE
		2232	loff_t off_in_, off_out_;
		2233	RETVAL = splice (
		2234	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2235	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2236	length, flags
		2237	);
		2238	#else
		2239	RETVAL = EIO_ENOSYS ();
		2240	#endif
		2241	}
		2242	OUTPUT:
		2243	RETVAL
		2244
		2245	int
		2246	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2247	CODE:
		2248	#if HAVE_LINUX_SPLICE
		2249	RETVAL = tee (rfh, wfh, length, flags);
		2250	#else
		2251	RETVAL = EIO_ENOSYS ();
		2252	#endif
		2253	OUTPUT:
		2254	RETVAL
		2255
		2256	int
		2257	pipesize (aio_rfd rfh, int new_size = -1)
		2258	PROTOTYPE: $;$
		2259	CODE:
		2260	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2261	if (new_size >= 0)
		2262	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2263	else
		2264	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2265	#else
		2266	errno = ENOSYS;
		2267	RETVAL = -1;
		2268	#endif
		2269	OUTPUT:
		2270	RETVAL
		2271
		2272	void
		2273	pipe2 (int flags = 0)
		2274	PROTOTYPE: ;$
		2275	PPCODE:
		2276	{
		2277	int fd[2];
		2278	int res;
		2279
		2280	if (flags)
		2281	#if HAVE_PIPE2
		2282	res = pipe2 (fd, flags);
		2283	#else
		2284	res = (errno = ENOSYS, -1);
		2285	#endif
		2286	else
		2287	res = pipe (fd);
		2288
		2289	if (!res)
		2290	{
		2291	EXTEND (SP, 2);
		2292	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2293	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2294	}
		2295	}
		2296
		2297	void
		2298	eventfd (unsigned int initval = 0, int flags = 0)
		2299	PPCODE:
		2300	{
		2301	int fd;
		2302	#if HAVE_EVENTFD
		2303	fd = eventfd (initval, flags);
		2304	#else
		2305	fd = (errno = ENOSYS, -1);
		2306	#endif
		2307
		2308	XPUSHs (newmortalFH (fd, O_RDWR));
		2309	}
		2310
		2311	void
		2312	timerfd_create (int clockid, int flags = 0)
		2313	PPCODE:
		2314	{
		2315	int fd;
		2316	#if HAVE_TIMERFD
		2317	fd = timerfd_create (clockid, flags);
		2318	#else
		2319	fd = (errno = ENOSYS, -1);
		2320	#endif
		2321
		2322	XPUSHs (newmortalFH (fd, O_RDWR));
		2323	}
		2324
		2325	void
		2326	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2327	PPCODE:
		2328	{
		2329	int fd = s_fileno_croak (fh, 0);
		2330	#if HAVE_TIMERFD
		2331	int res;
		2332	struct itimerspec its, ots;
		2333
		2334	ts_set (&its.it_interval, interval);
		2335	ts_set (&its.it_value , value);
		2336	res = timerfd_settime (fd, flags, &its, &ots);
		2337
		2338	if (!res)
		2339	{
		2340	EXTEND (SP, 2);
		2341	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2342	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2343	}
		2344	#else
		2345	errno = ENOSYS;
		2346	#endif
		2347	}
		2348
		2349	void
		2350	timerfd_gettime (SV *fh)
		2351	PPCODE:
		2352	{
		2353	int fd = s_fileno_croak (fh, 0);
		2354	#if HAVE_TIMERFD
		2355	int res;
		2356	struct itimerspec ots;
		2357	res = timerfd_gettime (fd, &ots);
		2358
		2359	if (!res)
		2360	{
		2361	EXTEND (SP, 2);
		2362	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2363	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2364	}
		2365	#else
		2366	errno = ENOSYS;
		2367	#endif
		2368	}
		2369
		2370	UV
		2371	get_fdlimit ()
		2372	CODE:
		2373	#if HAVE_RLIMITS
		2374	struct rlimit rl;
		2375	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2376	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2377	#endif
		2378	XSRETURN_UNDEF;
		2379	OUTPUT:
		2380	RETVAL
		2381
		2382	void
		2383	min_fdlimit (UV limit = 0x7fffffffU)
		2384	CODE:
		2385	{
		2386	#if HAVE_RLIMITS
		2387	struct rlimit rl;
		2388	rlim_t orig_rlim_max;
		2389	UV bit;
		2390
		2391	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2392	goto fail;
		2393
		2394	if (rl.rlim_cur == RLIM_INFINITY)
		2395	XSRETURN_YES;
		2396
		2397	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2398
		2399	if (rl.rlim_cur < limit)
		2400	{
		2401	rl.rlim_cur = limit;
		2402
		2403	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2404	rl.rlim_max = rl.rlim_cur;
		2405	}
		2406
		2407	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2408	XSRETURN_YES;
		2409
		2410	if (errno == EPERM)
		2411	{
		2412	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2413	/* our limit overflows a system-wide limit */
		2414	/* try an adaptive algorithm, but do not lower the hardlimit */
		2415	rl.rlim_max = 0;
		2416	for (bit = 0x40000000U; bit; bit >>= 1)
		2417	{
		2418	rl.rlim_max \|= bit;
		2419	rl.rlim_cur = rl.rlim_max;
		2420
		2421	/* nevr decrease the hard limit */
		2422	if (rl.rlim_max < orig_rlim_max)
		2423	break;
		2424
		2425	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2426	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2427	}
		2428
		2429	/* now, raise the soft limit to the max permitted */
		2430	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2431	{
		2432	rl.rlim_cur = rl.rlim_max;
		2433	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2434	errno = EPERM;
		2435	}
		2436	}
		2437	#endif
		2438	fail:
		2439	XSRETURN_UNDEF;
		2440	}
1451		2441
1452	void _on_next_submit (SV *cb)	2442	void _on_next_submit (SV *cb)
1453	CODE:	2443	CODE:
1454	SvREFCNT_dec (on_next_submit);	2444	SvREFCNT_dec (on_next_submit);
1455	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2445	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1456		2446
1457	PROTOTYPES: DISABLE	2447	PROTOTYPES: DISABLE
1458		2448
		2449	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2450
		2451	BOOT:
		2452	{
		2453	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2454	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2455	}
		2456
		2457	void
		2458	DESTROY (SV *self)
		2459	CODE:
		2460	{
		2461	aio_wd wd = SvAIO_WD (self);
		2462	#if HAVE_AT
		2463	{
		2464	SV *callback = &PL_sv_undef;
		2465	dREQ; /* clobbers next_pri :/ */
		2466	next_pri = req->pri; /* restore next_pri */
		2467	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2468	req->type = EIO_WD_CLOSE;
		2469	req->wd = wd;
		2470	REQ_SEND;
		2471	}
		2472	#else
		2473	eio_wd_close_sync (wd);
		2474	#endif
		2475	}
		2476
1459	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2477	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1460		2478
1461	void	2479	void
1462	cancel (aio_req_ornot req)	2480	cancel (aio_req_ornot req)
1463	CODE:	2481	CODE:
1464	eio_cancel (req);	2482	eio_cancel (req);
1465		2483
1466	void	2484	void
1467	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2485	cb (aio_req_ornot req, SV *callback = NO_INIT)
1468	PPCODE:	2486	PPCODE:
1469	{	2487	{
1470	if (GIMME_V != G_VOID)	2488	if (GIMME_V != G_VOID)
1471	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2489	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1472		2490
1473	if (items > 1)	2491	if (items > 1)
1474	{	2492	{
1475	SV *cb_cv =get_cb (callback);	2493	SV *cb_cv = get_cb (callback);
1476		2494
1477	SvREFCNT_dec (req->callback);	2495	SvREFCNT_dec (req->callback);
1478	req->callback = SvREFCNT_inc (cb_cv);	2496	req->callback = SvREFCNT_inc (cb_cv);
1479	}	2497	}
1480	}	2498	}
…		…
1537	limit (aio_req grp, int limit)	2555	limit (aio_req grp, int limit)
1538	CODE:	2556	CODE:
1539	eio_grp_limit (grp, limit);	2557	eio_grp_limit (grp, limit);
1540		2558
1541	void	2559	void
1542	feed (aio_req grp, SV *callback=&PL_sv_undef)	2560	feed (aio_req grp, SV *callback = &PL_sv_undef)
1543	CODE:	2561	CODE:
1544	{	2562	{
1545	SvREFCNT_dec (grp->sv2);	2563	SvREFCNT_dec (grp->sv2);
1546	grp->sv2 = newSVsv (callback);	2564	grp->sv2 = newSVsv (callback);
1547	grp->feed = aio_grp_feed;	2565	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs. Revision 1.265 by root, Tue Aug 14 11:50:43 2018 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.265 by root, Tue Aug 14 11:50:43 2018 UTC