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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 2020 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
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	24	/* the incompetent fool that created musl keeps __linux__, refuses
21	# include <sys/mman.h>	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
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
30	#undef opendir	44	#undef opendir
31	#undef closedir	45	#undef closedir
32		46
33	#ifdef _WIN32	47	#ifdef _WIN32
34		48
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions	49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
40	# undef open	53	#undef open
41	# undef read	54	#undef read
42	# undef write	55	#undef write
43	# undef send	56	#undef send
44	# undef recv	57	#undef recv
		58	#undef stat
45	# undef lstat	59	#undef lstat
		60	#undef fstat
46	# undef truncate	61	#undef truncate
47	# undef ftruncate	62	#undef ftruncate
48	# undef open	63	#undef open
49	# undef link	64	#undef link
50	# undef close	65	#undef close
51	# undef unlink	66	#undef unlink
52	# undef mkdir	67	#undef mkdir
53	# undef rmdir	68	#undef rmdir
54	# undef rename	69	#undef rename
55	# undef lseek	70	#undef lseek
56	# undef opendir	71	#undef opendir
57	# undef readdir	72	#undef readdir
58	# undef closedir	73	#undef closedir
59	# undef chmod	74	#undef chmod
60	# undef fchmod	75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
		80	#undef utime
61		81
62	# define opendir(fd) EIO_ERRNO (ENOSYS, 0)	82	#define EIO_STRUCT_STAT struct _stati64
63	# define readdir(fd) EIO_ENOSYS ()	83	#define EIO_STRUCT_STATI64
64	# define closedir(fd) EIO_ENOSYS ()
65		84
66	#else	85	#else
67		86
68	# include <sys/time.h>	87	#include <sys/time.h>
69	# include <sys/select.h>	88	#include <sys/select.h>
70	# include <unistd.h>	89	#include <unistd.h>
71	# include <utime.h>	90	#include <utime.h>
72	# include <signal.h>	91	#include <signal.h>
73		92
74	#endif
75
76	#define EIO_STRUCT_STAT Stat_t	93	#define EIO_STRUCT_STAT Stat_t
77		94
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define VAL64 IV
81	# define SvVAL64 SvIV
82	# define newSVval64 newSViv
83	#else
84	# define VAL64 NV
85	# define SvVAL64 SvNV
86	# define newSVval64 newSVnv
87	#endif	95	#endif
88		96
89	/*****************************************************************************/	97	/*****************************************************************************/
90		98
91	#if __GNUC__ >= 3	99	#if __GNUC__ >= 3
…		…
97	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
98	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
99		107
100	/*****************************************************************************/	108	/*****************************************************************************/
101		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_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
		166
		167	#if HAVE_RLIMITS
		168	#include <sys/time.h>
		169	#include <sys/resource.h>
		170	#endif
		171
102	typedef SV SV8; /* byte-sv, used for argument-checking */	172	typedef SV SV8; /* byte-sv, used for argument-checking */
103	typedef int aio_rfd; /* read file desriptor */	173	typedef int aio_rfd; /* read file desriptor */
104	typedef int aio_wfd; /* write file descriptor */	174	typedef int aio_wfd; /* write file descriptor */
105		175
106	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	176	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
107		177
108	#define EIO_REQ_MEMBERS \	178	#define EIO_REQ_MEMBERS \
109	SV *callback; \	179	SV *callback; \
110	SV *sv1, *sv2; \	180	SV *sv1, *sv2; \
		181	SV *sv3, *sv4; \
111	STRLEN stroffset; \	182	STRLEN stroffset; \
112	SV *self;	183	SV *self;
113		184
114	#define EIO_NO_WRAPPERS 1	185	#define EIO_NO_WRAPPERS 1
115		186
116	#include "libeio/config.h"
117	#include "libeio/eio.h"	187	#include "libeio/eio.h"
118		188
119	/* Linux/others */	189	static int req_invoke (eio_req *req);
120	#ifndef O_ASYNC	190	#define EIO_FINISH(req) req_invoke (req)
121	# define O_ASYNC 0	191	static void req_destroy (eio_req *grp);
122	#endif	192	#define EIO_DESTROY(req) req_destroy (req)
123	#ifndef O_DIRECT
124	# define O_DIRECT 0
125	#endif
126	#ifndef O_NOATIME
127	# define O_NOATIME 0
128	#endif
129		193
130	/* POSIX */	194	#include "libeio/eio.c"
131	#ifndef O_CLOEXEC
132	# define O_CLOEXEC 0
133	#endif
134	#ifndef O_NOFOLLOW
135	# define O_NOFOLLOW 0
136	#endif
137	#ifndef O_NOCTTY
138	# define O_NOCTTY 0
139	#endif
140	#ifndef O_NONBLOCK
141	# define O_NONBLOCK 0
142	#endif
143	#ifndef O_EXEC
144	# define O_EXEC 0
145	#endif
146	#ifndef O_SEARCH
147	# define O_SEARCH 0
148	#endif
149	#ifndef O_DIRECTORY
150	# define O_DIRECTORY 0
151	#endif
152	#ifndef O_DSYNC
153	# define O_DSYNC 0
154	#endif
155	#ifndef O_RSYNC
156	# define O_RSYNC 0
157	#endif
158	#ifndef O_SYNC
159	# define O_SYNC 0
160	#endif
161	#ifndef O_TTY_INIT
162	# define O_TTY_INIT 0
163	#endif
164
165	#ifndef POSIX_FADV_NORMAL
166	# define POSIX_FADV_NORMAL 0
167	#endif
168	#ifndef POSIX_FADV_SEQUENTIAL
169	# define POSIX_FADV_SEQUENTIAL 0
170	#endif
171	#ifndef POSIX_FADV_RANDOM
172	# define POSIX_FADV_RANDOM 0
173	#endif
174	#ifndef POSIX_FADV_NOREUSE
175	# define POSIX_FADV_NOREUSE 0
176	#endif
177	#ifndef POSIX_FADV_WILLNEED
178	# define POSIX_FADV_WILLNEED 0
179	#endif
180	#ifndef POSIX_FADV_DONTNEED
181	# define POSIX_FADV_DONTNEED 0
182	#endif
183		195
184	#if !HAVE_POSIX_FADVISE	196	#if !HAVE_POSIX_FADVISE
185	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
186	#endif	198	#endif
187		199
188	#ifndef POSIX_MADV_NORMAL
189	# define POSIX_MADV_NORMAL 0
190	#endif
191	#ifndef POSIX_MADV_SEQUENTIAL
192	# define POSIX_MADV_SEQUENTIAL 0
193	#endif
194	#ifndef POSIX_MADV_RANDOM
195	# define POSIX_MADV_RANDOM 0
196	#endif
197	#ifndef POSIX_MADV_WILLNEED
198	# define POSIX_MADV_WILLNEED 0
199	#endif
200	#ifndef POSIX_MADV_DONTNEED
201	# define POSIX_MADV_DONTNEED 0
202	#endif
203
204	#if !HAVE_POSIX_MADVISE	200	#if !HAVE_POSIX_MADVISE
205	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	201	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206	#endif
207
208	#ifndef PROT_NONE
209	# define PROT_NONE 0
210	#endif
211	#ifndef PROT_READ
212	# define PROT_READ 0
213	#endif
214	#ifndef PROT_WRITE
215	# define PROT_READ 0
216	#endif
217	#ifndef PROT_EXEC
218	# define PROT_EXEC 0
219	#endif
220
221	#ifndef ST_RDONLY
222	# define ST_RDONLY 0
223	#endif
224	#ifndef ST_NOSUID
225	# define ST_NOSUID 0
226	#endif
227	#ifndef ST_NODEV
228	# define ST_NODEV 0
229	#endif
230	#ifndef ST_NOEXEC
231	# define ST_NOEXEC 0
232	#endif
233	#ifndef ST_SYNCHRONOUS
234	# define ST_SYNCHRONOUS 0
235	#endif
236	#ifndef ST_MANDLOCK
237	# define ST_MANDLOCK 0
238	#endif
239	#ifndef ST_WRITE
240	# define ST_WRITE 0
241	#endif
242	#ifndef ST_APPEND
243	# define ST_APPEND 0
244	#endif
245	#ifndef ST_IMMUTABLE
246	# define ST_IMMUTABLE 0
247	#endif
248	#ifndef ST_NOATIME
249	# define ST_NOATIME 0
250	#endif
251	#ifndef ST_NODIRATIME
252	# define ST_NODIRATIME 0
253	#endif
254	#ifndef ST_RELATIME
255	# define ST_RELATIME 0
256	#endif
257
258	#ifndef S_IFIFO
259	# define S_IFIFO 0
260	#endif
261	#ifndef S_IFCHR
262	# define S_IFCHR 0
263	#endif
264	#ifndef S_IFBLK
265	# define S_IFBLK 0
266	#endif
267	#ifndef S_IFLNK
268	# define S_IFLNK 0
269	#endif
270	#ifndef S_IFREG
271	# define S_IFREG 0
272	#endif
273	#ifndef S_IFDIR
274	# define S_IFDIR 0
275	#endif
276	#ifndef S_IFWHT
277	# define S_IFWHT 0
278	#endif
279	#ifndef S_IFSOCK
280	# define S_IFSOCK 0
281	#endif	202	#endif
282		203
283	#ifndef MAP_ANONYMOUS	204	#ifndef MAP_ANONYMOUS
284	# ifdef MAP_ANON	205	# ifdef MAP_ANON
285	# define MAP_ANONYMOUS MAP_ANON	206	# define MAP_ANONYMOUS MAP_ANON
286	# else	207	# else
287	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288	# endif	209	# endif
289	#endif	210	#endif
290	#ifndef MAP_HUGETLB
291	# define MAP_HUGETLB 0
292	#endif
293	#ifndef MAP_LOCKED
294	# define MAP_LOCKED 0
295	#endif
296	#ifndef MAP_NORESERVE
297	# define MAP_NORESERVE 0
298	#endif
299	#ifndef MAP_POPULATE
300	# define MAP_POPULATE 0
301	#endif
302	#ifndef MAP_NONBLOCK
303	# define MAP_NONBLOCK 0
304	#endif
305		211
306	#ifndef makedev	212	#ifndef makedev
307	# define makedev(maj,min) (((maj) << 8) | (min))	213	# define makedev(maj,min) (((maj) << 8) | (min))
308	#endif	214	#endif
309	#ifndef major	215	#ifndef major
…		…
311	#endif	217	#endif
312	#ifndef minor	218	#ifndef minor
313	# define minor(dev) ((dev) & 0xff)	219	# define minor(dev) ((dev) & 0xff)
314	#endif	220	#endif
315		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
316	#ifndef PAGESIZE	224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
317	# define PAGESIZE sysconf (_SC_PAGESIZE)	228	# define PAGESIZE sysconf (_SC_PAGESIZE)
318	#endif	229	#endif
319		230
320	static int req_invoke (eio_req *req);	231	#if HAVE_SYSCALL
321	#define EIO_FINISH(req) req_invoke (req)	232	#include <sys/syscall.h>
322	static void req_destroy (eio_req *grp);	233	#else
323	#define EIO_DESTROY(req) req_destroy (req)	234	# define syscall(nr,...) (errno = ENOSYS, -1)
		235	#endif
		236
		237	/*****************************************************************************/
		238
		239	#if !_POSIX_MAPPED_FILES
		240	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		241	# define munmap(addr,length) EIO_ENOSYS ()
		242	#endif
		243
		244	#if !_POSIX_MEMORY_PROTECTION
		245	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		246	#endif
		247
		248	#if !MREMAP_MAYMOVE
		249	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		250	#endif
		251
		252	#define FOREIGN_MAGIC PERL_MAGIC_ext
		253
		254	static int ecb_cold
		255	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		256	{
		257	int old_errno = errno;
		258	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		259	errno = old_errno;
		260
		261	mg->mg_obj = 0; /* just in case */
		262
		263	SvREADONLY_off (sv);
		264
		265	if (SvPVX (sv) != mg->mg_ptr)
		266	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		267
		268	SvCUR_set (sv, 0);
		269	SvPVX (sv) = 0;
		270	SvOK_off (sv);
		271
		272	return 0;
		273	}
		274
		275	static MGVTBL mmap_vtbl = {
		276	0, 0, 0, 0, mmap_free
		277	};
		278
		279	static int ecb_cold
		280	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		281	{
		282	free (mg->mg_ptr);
		283	mg->mg_obj = 0; /* just in case */
		284
		285	SvREADONLY_off (sv);
		286
		287	if (SvPVX (sv) != mg->mg_ptr)
		288	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		289
		290	SvCUR_set (sv, 0);
		291	SvPVX (sv) = 0;
		292	SvOK_off (sv);
		293
		294	return 0;
		295	}
		296
		297	static MGVTBL sysfree_vtbl = {
		298	0, 0, 0, 0, sysfree_free
		299	};
		300
		301	/*****************************************************************************/
		302
		303	/* helper: set scalar to foreign ptr with custom free */
		304	ecb_noinline
		305	static void
		306	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		307	{
		308	sv_force_normal (sv);
		309
		310	/* we store the length in mg_obj, as namlen is I32 :/ */
		311	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		312	->mg_obj = (SV *)length;
		313
		314	SvUPGRADE (sv, SVt_PV); /* nop... */
		315
		316	if (SvLEN (sv))
		317	Safefree (SvPVX (sv));
		318
		319	SvPVX (sv) = (char *)addr;
		320	SvCUR_set (sv, length);
		321	SvLEN_set (sv, 0);
		322	SvPOK_only (sv);
		323	}
		324
		325	static void
		326	sv_clear_foreign (SV *sv)
		327	{
		328	/* todo: iterate over magic and only free ours, but of course */
		329	/* the perl5porters will call that (correct) behaviour buggy */
		330	sv_unmagic (sv, FOREIGN_MAGIC);
		331	}
		332
		333	/*****************************************************************************/
		334
		335	/* defines all sorts of constants to 0 unless they are already defined */
		336	/* also provides const_iv_ and const_niv_ macros for them */
		337	#include "def0.h"
		338
		339	/*****************************************************************************/
		340
		341	static void
		342	fiemap (eio_req *req)
		343	{
		344	req->result = -1;
		345
		346	#if HAVE_FIEMAP
		347	/* assume some c99 */
		348	struct fiemap *fiemap = 0;
		349	size_t end_offset;
		350	int count = req->int3;
		351
		352	req->flags |= EIO_FLAG_PTR1_FREE;
		353
		354	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		355	/* increase in fixed steps */
		356	if (count < 0)
		357	count = 8;
		358
		359	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		360	errno = ENOMEM;
		361	if (!fiemap)
		362	return;
		363
		364	req->ptr1 = fiemap;
		365
		366	fiemap->fm_start = req->offs;
		367	fiemap->fm_length = req->size;
		368	fiemap->fm_flags = req->int2;
		369	fiemap->fm_extent_count = count;
		370
		371	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		372	return;
		373
		374	if (req->int3 >= 0 /* not autosizing */
		375	|| !fiemap->fm_mapped_extents /* no more extents */
		376	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		377	goto done;
		378
		379	/* else we have to loop -
		380	* it would be tempting (actually I tried that first) to just query the
		381	* number of extents needed, but linux often feels like not returning all
		382	* extents, without telling us it left any out. this complicates
		383	* this quite a bit.
		384	*/
		385
		386	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		387
		388	for (;;)
		389	{
		390	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		391	char scratch[3072];
		392	struct fiemap *incmap = (struct fiemap *)scratch;
		393
		394	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		395	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		396	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		397	incmap->fm_flags = fiemap->fm_flags;
		398	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		399
		400	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		401	return;
		402
		403	if (!incmap->fm_mapped_extents)
		404	goto done;
		405
		406	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		407	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		408	errno = ENOMEM;
		409	if (!fiemap)
		410	return;
		411
		412	req->ptr1 = fiemap;
		413
		414	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		415	{
		416	struct fiemap_extent *e = incmap->fm_extents + count;
		417
		418	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		419
		420	if (e->fe_logical >= end_offset)
		421	goto done;
		422
		423	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		424	goto done;
		425
		426	}
		427	}
		428
		429	done:
		430	req->result = 0;
		431
		432	#else
		433	errno = ENOSYS;
		434	#endif
		435	}
		436
		437	/*****************************************************************************/
		438
		439	static int close_fd; /* dummy fd to close fds via dup2 */
		440
		441	#if HAVE_STATX
		442	static struct statx stx;
		443	#define statx_offsetof(member) offsetof (struct statx, member)
		444	#define eio__statx statx
		445	#else
		446	#define statx_offsetof(member) 0
		447	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		448	#endif
324		449
325	enum {	450	enum {
326	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	451	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
327	};	452	};
328		453
329	#include "libeio/eio.c"
330
331	typedef eio_req *aio_req;	454	typedef eio_req *aio_req;
332	typedef eio_req *aio_req_ornot;	455	typedef eio_req *aio_req_ornot;
		456	typedef eio_wd aio_wd;
333		457
334	static SV *on_next_submit;	458	static SV *on_next_submit;
335	static int next_pri = EIO_PRI_DEFAULT;	459	static int next_pri = EIO_PRI_DEFAULT;
336	static int max_outstanding;	460	static int max_outstanding;
337		461
338	static s_epipe respipe;	462	static s_epipe respipe;
339		463
340	static void req_destroy (aio_req req);	464	static void req_destroy (aio_req req);
341	static void req_cancel (aio_req req);	465	static void req_cancel (aio_req req);
342		466
343	static void want_poll (void)	467	static void
		468	want_poll (void)
344	{	469	{
345	/* write a dummy byte to the pipe so fh becomes ready */	470	/* write a dummy byte to the pipe so fh becomes ready */
346	s_epipe_signal (&respipe);	471	s_epipe_signal (&respipe);
347	}	472	}
348		473
349	static void done_poll (void)	474	static void
		475	done_poll (void)
350	{	476	{
351	/* read any signals sent by the worker threads */	477	/* read any signals sent by the worker threads */
352	s_epipe_drain (&respipe);	478	s_epipe_drain (&respipe);
353	}	479	}
354		480
355	/* must be called at most once */	481	/* must be called at most once */
		482	ecb_noinline
		483	static SV *
356	static SV *req_sv (aio_req req, HV *stash)	484	req_sv (aio_req req, HV *stash)
357	{	485	{
358	if (!req->self)	486	if (!req->self)
359	{	487	{
360	req->self = (SV *)newHV ();	488	req->self = (SV *)newHV ();
361	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	489	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
362	}	490	}
363		491
364	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	492	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
365	}	493	}
366		494
367	static aio_req SvAIO_REQ (SV *sv)	495	static SV *
		496	newSVaio_wd (aio_wd wd)
		497	{
		498	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		499	}
		500
		501	ecb_noinline
		502	static aio_req
		503	SvAIO_REQ (SV *sv)
368	{	504	{
369	MAGIC *mg;	505	MAGIC *mg;
370		506
371	if (!SvROK (sv)	507	if (!SvROK (sv)
		508	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
372	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	509	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
373	&& SvSTASH (SvRV (sv)) != aio_req_stash	510	&& SvSTASH (SvRV (sv)) != aio_req_stash
374	&& !sv_derived_from (sv, "IO::AIO::REQ")))	511	&& !sv_derived_from (sv, "IO::AIO::REQ")))
375	croak ("object of class IO::AIO::REQ expected");	512	croak ("object of class IO::AIO::REQ expected");
376		513
377	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	514	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
378		515
379	return mg ? (aio_req)mg->mg_ptr : 0;	516	return mg ? (aio_req)mg->mg_ptr : 0;
380	}	517	}
381		518
		519	static aio_wd
		520	SvAIO_WD (SV *sv)
		521	{
		522	if (!SvROK (sv)
		523	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		524	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		525	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		526
		527	return (aio_wd)(long)SvIVX (SvRV (sv));
		528	}
		529
		530	static SV *
		531	newmortalFH (int fd, int flags)
		532	{
		533	if (fd < 0)
		534	return &PL_sv_undef;
		535
		536	GV *gv = (GV *)sv_newmortal ();
		537	char sym[64];
		538	int symlen;
		539
		540	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		541	gv_init (gv, aio_stash, sym, symlen, 0);
		542
		543	symlen = snprintf (
		544	sym,
		545	sizeof (sym),
		546	"%s&=%d",
		547	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		548	fd
		549	);
		550
		551	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		552	? (SV *)gv : &PL_sv_undef;
		553	}
		554
		555	static void
382	static void aio_grp_feed (aio_req grp)	556	aio_grp_feed (aio_req grp)
383	{	557	{
384	if (grp->sv2 && SvOK (grp->sv2))	558	if (grp->sv2 && SvOK (grp->sv2))
385	{	559	{
386	dSP;	560	dSP;
387		561
…		…
395	FREETMPS;	569	FREETMPS;
396	LEAVE;	570	LEAVE;
397	}	571	}
398	}	572	}
399		573
		574	ecb_noinline
		575	static void
400	static void req_submit (eio_req *req)	576	req_submit (eio_req *req)
401	{	577	{
402	eio_submit (req);	578	eio_submit (req);
403		579
404	if (expect_false (on_next_submit))	580	if (expect_false (on_next_submit))
405	{	581	{
…		…
412	PUTBACK;	588	PUTBACK;
413	call_sv (cb, G_DISCARD | G_EVAL);	589	call_sv (cb, G_DISCARD | G_EVAL);
414	}	590	}
415	}	591	}
416		592
		593	static int
417	static int req_invoke (eio_req *req)	594	req_invoke (eio_req *req)
418	{	595	{
419	if (req->flags & FLAG_SV2_RO_OFF)	596	if (req->flags & FLAG_SV2_RO_OFF)
420	SvREADONLY_off (req->sv2);	597	SvREADONLY_off (req->sv2);
421		598
422	if (!EIO_CANCELLED (req) && req->callback)	599	if (!EIO_CANCELLED (req) && req->callback)
…		…
443	SvREADONLY_on (sv_result);	620	SvREADONLY_on (sv_result);
444	}	621	}
445		622
446	switch (req->type)	623	switch (req->type)
447	{	624	{
		625	case EIO_WD_OPEN:
		626	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		627	break;
		628
448	case EIO_READDIR:	629	case EIO_READDIR:
449	{	630	{
450	SV *rv = &PL_sv_undef;	631	SV *rv = &PL_sv_undef;
451		632
452	if (req->result >= 0)	633	if (req->result >= 0)
…		…
505	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	686	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
506	}	687	}
507	break;	688	break;
508		689
509	case EIO_OPEN:	690	case EIO_OPEN:
510	{	691	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
511	/* convert fd to fh */
512	SV *fh = &PL_sv_undef;
513
514	if (req->result >= 0)
515	{
516	GV *gv = (GV *)sv_newmortal ();
517	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
518	char sym [64];
519	int symlen;
520
521	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
522	gv_init (gv, aio_stash, sym, symlen, 0);
523
524	symlen = snprintf (
525	sym,
526	sizeof (sym),
527	"%s&=%d",
528	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
529	(int)req->result
530	);
531
532	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
533	fh = (SV *)gv;
534	}
535
536	PUSHs (fh);
537	}
538	break;	692	break;
539		693
540	case EIO_STATVFS:	694	case EIO_STATVFS:
541	case EIO_FSTATVFS:	695	case EIO_FSTATVFS:
542	{	696	{
…		…
545	#ifndef _WIN32	699	#ifndef _WIN32
546	if (req->result >= 0)	700	if (req->result >= 0)
547	{	701	{
548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	702	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549	HV *hv = newHV ();	703	HV *hv = newHV ();
		704	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		705	* chooses to make it a struct.
		706	*/
		707	unsigned long fsid = 0;
		708	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550		709
551	rv = sv_2mortal (newRV_noinc ((SV *)hv));	710	rv = sv_2mortal (newRV_noinc ((SV *)hv));
552		711
553	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	712	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	713	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
556	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	715	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	716	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	717	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	718	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	719	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	720	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	721	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	722	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564	}	723	}
565	#endif	724	#endif
566		725
…		…
594	break;	753	break;
595		754
596	case EIO_STAT:	755	case EIO_STAT:
597	case EIO_LSTAT:	756	case EIO_LSTAT:
598	case EIO_FSTAT:	757	case EIO_FSTAT:
599	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	758	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		759
600	PL_laststatval = req->result;	760	if (!(PL_laststatval = req->result))
		761	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
601	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	762	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		763
602	PUSHs (sv_result);	764	PUSHs (sv_result);
		765	break;
		766
		767	case EIO_SEEK:
		768	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
603	break;	769	break;
604		770
605	case EIO_READ:	771	case EIO_READ:
606	{	772	{
607	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	773	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
610	SvSETMAGIC (req->sv2);	776	SvSETMAGIC (req->sv2);
611	PUSHs (sv_result);	777	PUSHs (sv_result);
612	}	778	}
613	break;	779	break;
614		780
		781	case EIO_SLURP:
		782	{
		783	if (req->result >= 0)
		784	{
		785	/* if length was originally not known, we steal the malloc'ed memory */
		786	if (req->flags & EIO_FLAG_PTR2_FREE)
		787	{
		788	req->flags &= ~EIO_FLAG_PTR2_FREE;
		789	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		790	}
		791	else
		792	{
		793	SvCUR_set (req->sv2, req->result);
		794	*SvEND (req->sv2) = 0;
		795	SvPOK_only (req->sv2);
		796	}
		797
		798	SvSETMAGIC (req->sv2);
		799	}
		800
		801	PUSHs (sv_result);
		802	}
		803	break;
		804
		805	case EIO_CUSTOM:
		806	if (req->feed == fiemap)
		807	{
		808	#if HAVE_FIEMAP
		809	if (!req->result)
		810	{
		811	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		812
		813	if (fiemap->fm_extent_count)
		814	{
		815	AV *av = newAV ();
		816	int i;
		817
		818	while (fiemap->fm_mapped_extents)
		819	{
		820	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		821	AV *ext_av = newAV ();
		822
		823	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		824	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		825	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		826	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		827
		828	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		829	}
		830
		831	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		832	}
		833	else
		834	{
		835	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		836	PUSHs (sv_result);
		837	}
		838	}
		839	#endif
		840	}
		841	else
		842	PUSHs (sv_result);
		843	break;
		844
		845	#if 0
		846	case EIO_CLOSE:
		847	PerlIOUnix_refcnt_dec (req->int1);
		848	break;
		849	#endif
		850
615	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	851	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
616	if (req->result > 0)	852	if (req->result > 0)
617	SvIV_set (sv_result, 0);	853	SvIV_set (sv_result, 0);
618	/* FALLTHROUGH */	854	/* FALLTHROUGH */
619		855
…		…
640	}	876	}
641		877
642	return !!SvTRUE (ERRSV);	878	return !!SvTRUE (ERRSV);
643	}	879	}
644		880
		881	static void
645	static void req_destroy (aio_req req)	882	req_destroy (aio_req req)
646	{	883	{
647	if (req->self)	884	if (req->self)
648	{	885	{
649	sv_unmagic (req->self, PERL_MAGIC_ext);	886	sv_unmagic (req->self, PERL_MAGIC_ext);
650	SvREFCNT_dec (req->self);	887	SvREFCNT_dec (req->self);
651	}	888	}
652		889
653	SvREFCNT_dec (req->sv1);	890	SvREFCNT_dec (req->sv1);
654	SvREFCNT_dec (req->sv2);	891	SvREFCNT_dec (req->sv2);
		892	SvREFCNT_dec (req->sv3);
		893	SvREFCNT_dec (req->sv4);
655	SvREFCNT_dec (req->callback);	894	SvREFCNT_dec (req->callback);
656		895
657	Safefree (req);	896	free (req);
658	}	897	}
659		898
		899	static void
660	static void req_cancel_subs (aio_req grp)	900	req_cancel_subs (aio_req grp)
661	{	901	{
662	aio_req sub;
663
664	if (grp->type != EIO_GROUP)	902	if (grp->type != EIO_GROUP)
665	return;	903	return;
666		904
667	SvREFCNT_dec (grp->sv2);	905	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	906	grp->sv2 = 0;
669		907
670	eio_grp_cancel (grp);	908	eio_grp_cancel (grp);
671	}	909	}
672		910
		911	ecb_cold
		912	static void
673	static void create_respipe (void)	913	create_respipe (void)
674	{	914	{
675	if (s_epipe_renew (&respipe))	915	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	916	croak ("IO::AIO: unable to initialize result pipe");
677	}	917	}
678		918
679	static void poll_wait (void)	919	static void
		920	poll_wait (void)
680	{	921	{
681	while (eio_nreqs ())	922	while (eio_nreqs ())
682	{	923	{
683	int size;	924	int size;
684		925
685	X_LOCK (reslock);	926	X_LOCK (EIO_POOL->reslock);
686	size = res_queue.size;	927	size = EIO_POOL->res_queue.size;
687	X_UNLOCK (reslock);	928	X_UNLOCK (EIO_POOL->reslock);
688		929
689	if (size)	930	if (size)
690	return;	931	return;
691		932
692	etp_maybe_start_thread ();	933	etp_maybe_start_thread (EIO_POOL);
693		934
694	s_epipe_wait (&respipe);	935	s_epipe_wait (&respipe);
695	}	936	}
696	}	937	}
697		938
698	static int poll_cb (void)	939	static int
		940	poll_cb (void)
699	{	941	{
700	for (;;)	942	for (;;)
701	{	943	{
702	int res = eio_poll ();	944	int res = eio_poll ();
703		945
…		…
709		951
710	poll_wait ();	952	poll_wait ();
711	}	953	}
712	}	954	}
713		955
714	static void atfork_child (void)	956	ecb_cold
		957	static void
		958	reinit (void)
715	{	959	{
716	create_respipe ();	960	create_respipe ();
		961
		962	if (eio_init (want_poll, done_poll) < 0)
		963	croak ("IO::AIO: unable to initialise eio library");
717	}	964	}
718		965
719	/*****************************************************************************/	966	/*****************************************************************************/
720		967
721	#if !_POSIX_MAPPED_FILES	968	static SV *
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723	# define munmap(addr,length) (errno = ENOSYS, -1)
724	#endif
725
726	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728	# define PROT_NONE 0
729	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0
732	# define MAP_FIXED 0
733	#endif
734
735	#define MMAP_MAGIC PERL_MAGIC_ext
736
737	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
738	{
739	int old_errno = errno;
740	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741	errno = old_errno;
742
743	mg->mg_obj = 0; /* just in case */
744
745	SvREADONLY_off (sv);
746
747	if (SvPVX (sv) != mg->mg_ptr)
748	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
750	SvCUR_set (sv, 0);
751	SvPVX (sv) = 0;
752	SvOK_off (sv);
753
754	return 0;
755	}
756
757	static MGVTBL mmap_vtbl = {
758	0, 0, 0, 0, mmap_free
759	};
760
761	/*****************************************************************************/
762
763	static SV * get_cb (SV *cb_sv)	969	get_cb (SV *cb_sv)
764	{	970	{
765	SvGETMAGIC (cb_sv);	971	SvGETMAGIC (cb_sv);
766	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	972	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
767	}	973	}
768		974
		975	ecb_noinline
		976	static aio_req ecb_noinline
		977	dreq (SV *callback)
		978	{
		979	SV *cb_cv;
		980	aio_req req;
		981	int req_pri = next_pri;
		982	next_pri = EIO_PRI_DEFAULT;
		983
		984	cb_cv = get_cb (callback);
		985
		986	req = calloc (sizeof (*req), 1);
		987	if (!req)
		988	croak ("out of memory during eio_req allocation");
		989
		990	req->callback = SvREFCNT_inc (cb_cv);
		991	req->pri = req_pri;
		992
		993	return req;
		994	}
		995
769	#define dREQ \	996	#define dREQ \
770	SV *cb_cv; \	997	aio_req req = dreq (callback); \
771	aio_req req; \
772	int req_pri = next_pri; \
773	next_pri = EIO_PRI_DEFAULT; \
774	\
775	cb_cv = get_cb (callback); \
776	\
777	Newz (0, req, 1, eio_req); \
778	if (!req) \
779	croak ("out of memory during eio_req allocation"); \
780	\
781	req->callback = SvREFCNT_inc (cb_cv); \
782	req->pri = req_pri
783		998
784	#define REQ_SEND \	999	#define REQ_SEND \
785	PUTBACK; \	1000	PUTBACK; \
786	req_submit (req); \	1001	req_submit (req); \
787	SPAGAIN; \	1002	SPAGAIN; \
788	\	1003	\
789	if (GIMME_V != G_VOID) \	1004	if (GIMME_V != G_VOID) \
790	XPUSHs (req_sv (req, aio_req_stash));	1005	XPUSHs (req_sv (req, aio_req_stash));
791		1006
		1007	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
		1008	ecb_inline
		1009	void
		1010	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		1011	{
		1012	if (expect_false (SvROK (path)))
		1013	{
		1014	SV *rv = SvRV (path);
		1015	SV *wdob;
		1016
		1017	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		1018	{
		1019	path = AvARRAY (rv)[1];
		1020	wdob = AvARRAY (rv)[0];
		1021
		1022	if (SvOK (wdob))
		1023	{
		1024	*wd = SvAIO_WD (wdob);
		1025	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		1026	}
		1027	else
		1028	*wd = EIO_INVALID_WD;
		1029	}
		1030	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		1031	{
		1032	*wd = (aio_wd)(long)SvIVX (rv);
		1033	*wdsv = SvREFCNT_inc_NN (rv);
		1034	*ptr = ".";
		1035	return; /* path set to "." */
		1036	}
		1037	else
		1038	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		1039	}
		1040
		1041	*pathsv = newSVsv (path);
		1042	*ptr = SvPVbyte_nolen (*pathsv);
		1043	}
		1044
		1045	ecb_noinline
		1046	static void
		1047	req_set_path1 (aio_req req, SV *path)
		1048	{
		1049	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		1050	}
		1051
		1052	ecb_noinline
		1053	static void
		1054	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		1055	{
		1056	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		1057
		1058	switch (SvTYPE (rv))
		1059	{
		1060	case SVt_PVIO:
		1061	case SVt_PVLV:
		1062	case SVt_PVGV:
		1063	req->type = type_fh;
		1064	req->sv1 = newSVsv (fh_or_path);
		1065	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1066	break;
		1067
		1068	default:
		1069	req->type = type_path;
		1070	req_set_path1 (req, fh_or_path);
		1071	break;
		1072	}
		1073	}
		1074
		1075	/*****************************************************************************/
		1076
		1077	static void
		1078	ts_set (struct timespec *ts, NV value)
		1079	{
		1080	ts->tv_sec = value;
		1081	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1082	}
		1083
		1084	static NV
		1085	ts_get (const struct timespec *ts)
		1086	{
		1087	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1088	}
		1089
		1090	/*****************************************************************************/
		1091
		1092	XS(boot_IO__AIO) ecb_cold;
		1093
792	MODULE = IO::AIO PACKAGE = IO::AIO	1094	MODULE = IO::AIO PACKAGE = IO::AIO
793		1095
794	PROTOTYPES: ENABLE	1096	PROTOTYPES: ENABLE
795		1097
796	BOOT:	1098	BOOT:
…		…
800	IV iv;	1102	IV iv;
801	} *civ, const_iv[] = {	1103	} *civ, const_iv[] = {
802	# define const_niv(name, value) { # name, (IV) value },	1104	# define const_niv(name, value) { # name, (IV) value },
803	# define const_iv(name) { # name, (IV) name },	1105	# define const_iv(name) { # name, (IV) name },
804	# define const_eio(name) { # name, (IV) EIO_ ## name },	1106	# define const_eio(name) { # name, (IV) EIO_ ## name },
		1107
		1108	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1109	/* the first block can be undef if missing */
		1110	const_iv (ENOSYS)
805	const_iv (EXDEV)	1111	const_iv (EXDEV)
806	const_iv (ENOSYS)	1112	const_iv (EBADR)
		1113
		1114	/* for lseek */
		1115	const_iv (SEEK_DATA)
		1116	const_iv (SEEK_HOLE)
		1117
		1118	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1119	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1120	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1121	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1122	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1123	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1124
		1125	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1126	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1127	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1128	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1129	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1130
		1131	/* the second block will be 0 when missing */
		1132	const_iv (O_ACCMODE)
		1133
807	const_iv (O_RDONLY)	1134	const_iv (O_RDONLY)
808	const_iv (O_WRONLY)	1135	const_iv (O_WRONLY)
809	const_iv (O_RDWR)	1136	const_iv (O_RDWR)
810	const_iv (O_CREAT)	1137	const_iv (O_CREAT)
811	const_iv (O_TRUNC)	1138	const_iv (O_TRUNC)
…		…
824	const_iv (O_SEARCH)	1151	const_iv (O_SEARCH)
825	const_iv (O_DIRECTORY)	1152	const_iv (O_DIRECTORY)
826	const_iv (O_DSYNC)	1153	const_iv (O_DSYNC)
827	const_iv (O_RSYNC)	1154	const_iv (O_RSYNC)
828	const_iv (O_SYNC)	1155	const_iv (O_SYNC)
		1156	const_iv (O_PATH)
		1157	const_iv (O_TMPFILE)
829	const_iv (O_TTY_INIT)	1158	const_iv (O_TTY_INIT)
830		1159
831	const_iv (S_IFIFO)	1160	const_iv (S_IFIFO)
832	const_iv (S_IFCHR)	1161	const_iv (S_IFCHR)
833	const_iv (S_IFBLK)	1162	const_iv (S_IFBLK)
…		…
835	const_iv (S_IFREG)	1164	const_iv (S_IFREG)
836	const_iv (S_IFDIR)	1165	const_iv (S_IFDIR)
837	const_iv (S_IFWHT)	1166	const_iv (S_IFWHT)
838	const_iv (S_IFSOCK)	1167	const_iv (S_IFSOCK)
839	const_iv (S_IFMT)	1168	const_iv (S_IFMT)
840
841	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
842	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
843	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
844	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
845	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
846	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
847
848	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
849	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
850	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
851	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
852	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
853		1169
854	const_iv (ST_RDONLY)	1170	const_iv (ST_RDONLY)
855	const_iv (ST_NOSUID)	1171	const_iv (ST_NOSUID)
856	const_iv (ST_NODEV)	1172	const_iv (ST_NODEV)
857	const_iv (ST_NOEXEC)	1173	const_iv (ST_NOEXEC)
…		…
867	const_iv (PROT_NONE)	1183	const_iv (PROT_NONE)
868	const_iv (PROT_EXEC)	1184	const_iv (PROT_EXEC)
869	const_iv (PROT_READ)	1185	const_iv (PROT_READ)
870	const_iv (PROT_WRITE)	1186	const_iv (PROT_WRITE)
871		1187
872	/*const_iv (MAP_FIXED)*/
873	const_iv (MAP_PRIVATE)	1188	const_iv (MAP_PRIVATE)
874	const_iv (MAP_SHARED)	1189	const_iv (MAP_SHARED)
		1190	const_iv (MAP_FIXED)
875	const_iv (MAP_ANONYMOUS)	1191	const_iv (MAP_ANONYMOUS)
876		1192
877	/* linuxish */	1193	/* linuxish */
878	const_iv (MAP_HUGETLB)
879	const_iv (MAP_LOCKED)	1194	const_iv (MAP_LOCKED)
880	const_iv (MAP_NORESERVE)	1195	const_iv (MAP_NORESERVE)
881	const_iv (MAP_POPULATE)	1196	const_iv (MAP_POPULATE)
882	const_iv (MAP_NONBLOCK)	1197	const_iv (MAP_NONBLOCK)
		1198	const_iv (MAP_GROWSDOWN)
		1199	const_iv (MAP_32BIT)
		1200	const_iv (MAP_HUGETLB)
		1201	const_iv (MAP_STACK)
		1202
		1203	const_iv (MREMAP_MAYMOVE)
		1204	const_iv (MREMAP_FIXED)
		1205
		1206	const_iv (MSG_CMSG_CLOEXEC)
		1207	const_iv (SOCK_CLOEXEC)
		1208
		1209	const_iv (F_DUPFD_CLOEXEC)
		1210
		1211	const_iv (F_ADD_SEALS)
		1212	const_iv (F_GET_SEALS)
		1213	const_iv (F_SEAL_SEAL)
		1214	const_iv (F_SEAL_SHRINK)
		1215	const_iv (F_SEAL_GROW)
		1216	const_iv (F_SEAL_WRITE)
		1217
		1218	const_iv (F_OFD_GETLK)
		1219	const_iv (F_OFD_SETLK)
		1220	const_iv (F_OFD_GETLKW)
		1221
		1222	const_iv (FIFREEZE)
		1223	const_iv (FITHAW)
		1224	const_iv (FITRIM)
		1225	const_iv (FICLONE)
		1226	const_iv (FICLONERANGE)
		1227	const_iv (FIDEDUPERANGE)
		1228
		1229	const_iv (FS_IOC_GETFLAGS)
		1230	const_iv (FS_IOC_SETFLAGS)
		1231	const_iv (FS_IOC_GETVERSION)
		1232	const_iv (FS_IOC_SETVERSION)
		1233	const_iv (FS_IOC_FIEMAP)
		1234	const_iv (FS_IOC_FSGETXATTR)
		1235	const_iv (FS_IOC_FSSETXATTR)
		1236	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1237	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1238	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1239
		1240	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1241
		1242	const_iv (FS_SECRM_FL)
		1243	const_iv (FS_UNRM_FL)
		1244	const_iv (FS_COMPR_FL)
		1245	const_iv (FS_SYNC_FL)
		1246	const_iv (FS_IMMUTABLE_FL)
		1247	const_iv (FS_APPEND_FL)
		1248	const_iv (FS_NODUMP_FL)
		1249	const_iv (FS_NOATIME_FL)
		1250	const_iv (FS_DIRTY_FL)
		1251	const_iv (FS_COMPRBLK_FL)
		1252	const_iv (FS_NOCOMP_FL)
		1253	const_iv (FS_ENCRYPT_FL)
		1254	const_iv (FS_BTREE_FL)
		1255	const_iv (FS_INDEX_FL)
		1256	const_iv (FS_JOURNAL_DATA_FL)
		1257	const_iv (FS_NOTAIL_FL)
		1258	const_iv (FS_DIRSYNC_FL)
		1259	const_iv (FS_TOPDIR_FL)
		1260	const_iv (FS_FL_USER_MODIFIABLE)
		1261
		1262	const_iv (FS_XFLAG_REALTIME)
		1263	const_iv (FS_XFLAG_PREALLOC)
		1264	const_iv (FS_XFLAG_IMMUTABLE)
		1265	const_iv (FS_XFLAG_APPEND)
		1266	const_iv (FS_XFLAG_SYNC)
		1267	const_iv (FS_XFLAG_NOATIME)
		1268	const_iv (FS_XFLAG_NODUMP)
		1269	const_iv (FS_XFLAG_RTINHERIT)
		1270	const_iv (FS_XFLAG_PROJINHERIT)
		1271	const_iv (FS_XFLAG_NOSYMLINKS)
		1272	const_iv (FS_XFLAG_EXTSIZE)
		1273	const_iv (FS_XFLAG_EXTSZINHERIT)
		1274	const_iv (FS_XFLAG_NODEFRAG)
		1275	const_iv (FS_XFLAG_FILESTREAM)
		1276	const_iv (FS_XFLAG_DAX)
		1277	const_iv (FS_XFLAG_HASATTR)
		1278
		1279	const_iv (FIEMAP_FLAG_SYNC)
		1280	const_iv (FIEMAP_FLAG_XATTR)
		1281	const_iv (FIEMAP_FLAGS_COMPAT)
		1282	const_iv (FIEMAP_EXTENT_LAST)
		1283	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1284	const_iv (FIEMAP_EXTENT_DELALLOC)
		1285	const_iv (FIEMAP_EXTENT_ENCODED)
		1286	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1287	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1288	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1289	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1290	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1291	const_iv (FIEMAP_EXTENT_MERGED)
		1292	const_iv (FIEMAP_EXTENT_SHARED)
		1293
		1294	const_iv (SPLICE_F_MOVE)
		1295	const_iv (SPLICE_F_NONBLOCK)
		1296	const_iv (SPLICE_F_MORE)
		1297	const_iv (SPLICE_F_GIFT)
		1298
		1299	const_iv (EFD_CLOEXEC)
		1300	const_iv (EFD_NONBLOCK)
		1301	const_iv (EFD_SEMAPHORE)
		1302
		1303	const_iv (MFD_CLOEXEC)
		1304	const_iv (MFD_ALLOW_SEALING)
		1305	const_iv (MFD_HUGETLB)
		1306
		1307	const_iv (CLOCK_REALTIME)
		1308	const_iv (CLOCK_MONOTONIC)
		1309	const_iv (CLOCK_BOOTTIME)
		1310	const_iv (CLOCK_REALTIME_ALARM)
		1311	const_iv (CLOCK_BOOTTIME_ALARM)
		1312
		1313	const_iv (TFD_NONBLOCK)
		1314	const_iv (TFD_CLOEXEC)
		1315
		1316	const_iv (TFD_TIMER_ABSTIME)
		1317	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1318
		1319	const_iv (STATX_TYPE)
		1320	const_iv (STATX_MODE)
		1321	const_iv (STATX_NLINK)
		1322	const_iv (STATX_UID)
		1323	const_iv (STATX_GID)
		1324	const_iv (STATX_ATIME)
		1325	const_iv (STATX_MTIME)
		1326	const_iv (STATX_CTIME)
		1327	const_iv (STATX_INO)
		1328	const_iv (STATX_SIZE)
		1329	const_iv (STATX_BLOCKS)
		1330	const_iv (STATX_BASIC_STATS)
		1331	const_iv (STATX_ALL)
		1332	const_iv (STATX_BTIME)
		1333	const_iv (STATX_ATTR_COMPRESSED)
		1334	const_iv (STATX_ATTR_IMMUTABLE)
		1335	const_iv (STATX_ATTR_APPEND)
		1336	const_iv (STATX_ATTR_NODUMP)
		1337	const_iv (STATX_ATTR_ENCRYPTED)
		1338	const_iv (STATX_ATTR_AUTOMOUNT)
		1339
		1340	const_iv (AT_FDCWD)
		1341	const_iv (AT_SYMLINK_NOFOLLOW)
		1342	const_iv (AT_EACCESS)
		1343	const_iv (AT_REMOVEDIR)
		1344	const_iv (AT_SYMLINK_FOLLOW)
		1345	const_iv (AT_NO_AUTOMOUNT)
		1346	const_iv (AT_EMPTY_PATH)
		1347	const_iv (AT_STATX_SYNC_TYPE)
		1348	const_iv (AT_STATX_AS_STAT)
		1349	const_iv (AT_STATX_FORCE_SYNC)
		1350	const_iv (AT_STATX_DONT_SYNC)
		1351	const_iv (AT_RECURSIVE)
		1352
		1353	const_iv (OPEN_TREE_CLONE)
		1354
		1355	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1356	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1357	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1358	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1359	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1360	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1361
		1362	/* these are libeio constants, and are independent of gendef0 */
		1363	const_eio (SEEK_SET)
		1364	const_eio (SEEK_CUR)
		1365	const_eio (SEEK_END)
883		1366
884	const_eio (MCL_FUTURE)	1367	const_eio (MCL_FUTURE)
885	const_eio (MCL_CURRENT)	1368	const_eio (MCL_CURRENT)
		1369	const_eio (MCL_ONFAULT)
886		1370
887	const_eio (MS_ASYNC)	1371	const_eio (MS_ASYNC)
888	const_eio (MS_INVALIDATE)	1372	const_eio (MS_INVALIDATE)
889	const_eio (MS_SYNC)	1373	const_eio (MS_SYNC)
890		1374
…		…
893	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1377	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
894	const_eio (SYNC_FILE_RANGE_WRITE)	1378	const_eio (SYNC_FILE_RANGE_WRITE)
895	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1379	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896		1380
897	const_eio (FALLOC_FL_KEEP_SIZE)	1381	const_eio (FALLOC_FL_KEEP_SIZE)
		1382	const_eio (FALLOC_FL_PUNCH_HOLE)
		1383	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1384	const_eio (FALLOC_FL_ZERO_RANGE)
		1385	const_eio (FALLOC_FL_INSERT_RANGE)
		1386	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1387
		1388	const_eio (RENAME_NOREPLACE)
		1389	const_eio (RENAME_EXCHANGE)
		1390	const_eio (RENAME_WHITEOUT)
898		1391
899	const_eio (READDIR_DENTS)	1392	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	1393	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	1394	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	1395	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1406	};
914		1407
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1408	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1409	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1410	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1411	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918		1412
919	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1413	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1414	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1415
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1416	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1417
924	create_respipe ();	1418	/* allocate dummy pipe fd for aio_close */
		1419	{
		1420	int pipefd [2];
925		1421
926	if (eio_init (want_poll, done_poll) < 0)	1422	if (
927	croak ("IO::AIO: unable to initialise eio library");	1423	#ifdef _WIN32
		1424	_pipe (pipefd, 1, _O_BINARY) < 0
		1425	#else
		1426	pipe (pipefd) < 0
		1427	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1428	#endif
		1429	|| close (pipefd [1]) < 0
		1430	)
		1431	croak ("IO::AIO: unable to create dummy pipe for aio_close");
928		1432
929	/* atfork child called in fifo order, so before eio's handler */	1433	close_fd = pipefd [0];
930	X_THREAD_ATFORK (0, 0, atfork_child);	1434	}
		1435
		1436	reinit ();
931	}	1437	}
		1438
		1439	void
		1440	reinit ()
		1441	PROTOTYPE:
932		1442
933	void	1443	void
934	max_poll_reqs (unsigned int nreqs)	1444	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1445	PROTOTYPE: $
936	CODE:	1446	CODE:
…		…
971	PROTOTYPE: $	1481	PROTOTYPE: $
972	CODE:	1482	CODE:
973	max_outstanding = maxreqs;	1483	max_outstanding = maxreqs;
974		1484
975	void	1485	void
976	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1486	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
977	PPCODE:	1487	PPCODE:
978	{	1488	{
979	dREQ;	1489	dREQ;
980		1490
		1491	req->type = EIO_WD_OPEN;
		1492	req_set_path1 (req, pathname);
		1493
		1494	REQ_SEND;
		1495	}
		1496
		1497	void
		1498	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1499	PPCODE:
		1500	{
		1501	dREQ;
		1502
981	req->type = EIO_OPEN;	1503	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1504	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1505	req->int1 = flags;
985	req->int2 = mode;	1506	req->int2 = mode;
986		1507
987	REQ_SEND;	1508	REQ_SEND;
988	}	1509	}
989		1510
990	void	1511	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1512	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
992	ALIAS:	1513	ALIAS:
993	aio_fsync = EIO_FSYNC	1514	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1515	aio_fdatasync = EIO_FDATASYNC
		1516	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1517	PPCODE:
996	{	1518	{
997	int fd = s_fileno_croak (fh, 0);	1519	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1520	dREQ;
999		1521
1000	req->type = ix;	1522	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1523	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1524	req->int1 = fd;
1003		1525
1004	REQ_SEND (req);	1526	REQ_SEND;
1005	}	1527	}
1006		1528
1007	void	1529	void
1008	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1530	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1009	PPCODE:	1531	PPCODE:
1010	{	1532	{
1011	int fd = s_fileno_croak (fh, 0);	1533	int fd = s_fileno_croak (fh, 0);
1012	dREQ;	1534	dREQ;
1013		1535
1014	req->type = EIO_SYNC_FILE_RANGE;	1536	req->type = EIO_SYNC_FILE_RANGE;
1015	req->sv1 = newSVsv (fh);	1537	req->sv1 = newSVsv (fh);
1016	req->int1 = fd;	1538	req->int1 = fd;
1017	req->offs = offset;	1539	req->offs = offset;
1018	req->size = nbytes;	1540	req->size = nbytes;
1019	req->int2 = flags;	1541	req->int2 = flags;
1020		1542
1021	REQ_SEND (req);	1543	REQ_SEND;
1022	}	1544	}
1023		1545
1024	void	1546	void
1025	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1547	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1026	PPCODE:	1548	PPCODE:
1027	{	1549	{
1028	int fd = s_fileno_croak (fh, 0);	1550	int fd = s_fileno_croak (fh, 0);
1029	dREQ;	1551	dREQ;
1030		1552
1031	req->type = EIO_FALLOCATE;	1553	req->type = EIO_FALLOCATE;
1032	req->sv1 = newSVsv (fh);	1554	req->sv1 = newSVsv (fh);
1033	req->int1 = fd;	1555	req->int1 = fd;
1034	req->int2 = mode;	1556	req->int2 = mode;
1035	req->offs = offset;	1557	req->offs = offset;
1036	req->size = len;	1558	req->size = len;
1037		1559
1038	REQ_SEND (req);	1560	REQ_SEND;
1039	}	1561	}
1040		1562
1041	void	1563	void
1042	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1564	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1043	PPCODE:	1565	PPCODE:
1044	{	1566	{
1045	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046	int fd = s_fileno_croak (fh, 0);	1567	int fd = s_fileno_croak (fh, 0);
1047	dREQ;	1568	dREQ;
		1569	#if 0
		1570	/* partially duplicate logic in s_fileno */
		1571	SvGETMAGIC (fh);
1048		1572
1049	if (expect_false (close_fd < 0))	1573	if (SvROK (fh))
		1574	{
		1575	fh = SvRV (fh);
		1576	SvGETMAGIC (fh);
		1577	}
		1578
		1579	if (SvTYPE (fh) == SVt_PVGV)
1050	{	1580	{
1051	#ifdef _WIN32	1581	/* perl filehandle */
1052	close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);	1582	PerlIOUnix_refcnt_inc (fd);
1053	#else	1583	do_close ((GV *)fh, 1);
1054	int pipefd [2];
1055		1584
1056	if (pipe (pipefd) < 0	1585	req->type = EIO_CLOSE;
1057	|| close (pipefd [1]) < 0	1586	req->int1 = fd;
1058	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1587	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1059	abort (); /*D*/
1060
1061	close_fd = pipefd [0];
1062	#endif
1063	}	1588	}
1064		1589	else
		1590	#endif
		1591	{
		1592	/* fd number */
1065	req->type = EIO_DUP2;	1593	req->type = EIO_DUP2;
1066	req->int1 = close_fd;	1594	req->int1 = close_fd;
		1595	req->sv2 = newSVsv (fh);
		1596	req->int2 = fd;
		1597	}
		1598
		1599	REQ_SEND;
		1600	}
		1601
		1602	void
		1603	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1604	PPCODE:
		1605	{
		1606	int fd = s_fileno_croak (fh, 0);
		1607	dREQ;
		1608
		1609	req->type = EIO_SEEK;
1067	req->sv2 = newSVsv (fh);	1610	req->sv1 = newSVsv (fh);
1068	req->int2 = fd;	1611	req->int1 = fd;
		1612	req->offs = SvVAL64 (offset);
		1613	req->int2 = whence;
1069		1614
1070	REQ_SEND (req);	1615	REQ_SEND;
1071	}	1616	}
1072		1617
1073	void	1618	void
1074	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1619	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1075	ALIAS:	1620	ALIAS:
1076	aio_read = EIO_READ	1621	aio_read = EIO_READ
1077	aio_write = EIO_WRITE	1622	aio_write = EIO_WRITE
1078	PPCODE:	1623	PPCODE:
1079	{	1624	{
…		…
1095	len = svlen - dataoffset;	1640	len = svlen - dataoffset;
1096	}	1641	}
1097	else	1642	else
1098	{	1643	{
1099	/* read: check type and grow scalar as necessary */	1644	/* read: check type and grow scalar as necessary */
1100	SvUPGRADE (data, SVt_PV);	1645	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1101	svptr = SvGROW (data, len + dataoffset + 1);	1646	svptr = sv_grow (data, len + dataoffset + 1);
		1647	else if (SvCUR (data) < len + dataoffset)
		1648	croak ("length + dataoffset outside of scalar, and cannot grow");
1102	}	1649	}
1103		1650
1104	{	1651	{
1105	dREQ;	1652	dREQ;
1106		1653
…		…
1122	REQ_SEND;	1669	REQ_SEND;
1123	}	1670	}
1124	}	1671	}
1125		1672
1126	void	1673	void
		1674	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1675	ALIAS:
		1676	aio_ioctl = EIO_IOCTL
		1677	aio_fcntl = EIO_FCNTL
		1678	PPCODE:
		1679	{
		1680	int fd = s_fileno_croak (fh, 0);
		1681	char *svptr;
		1682
		1683	if (SvPOK (arg) || !SvNIOK (arg))
		1684	{
		1685	STRLEN svlen;
		1686	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1687	#ifdef IOCPARM_LEN
		1688	STRLEN need = IOCPARM_LEN (request);
		1689	#else
		1690	STRLEN need = 256;
		1691	#endif
		1692
		1693	if (svlen < need)
		1694	svptr = SvGROW (arg, need);
		1695	}
		1696	else
		1697	svptr = (char *)SvIV (arg);
		1698
		1699	{
		1700	dREQ;
		1701
		1702	req->type = ix;
		1703	req->sv1 = newSVsv (fh);
		1704	req->int1 = fd;
		1705	req->int2 = (long)request;
		1706	req->sv2 = SvREFCNT_inc (arg);
		1707	req->ptr2 = svptr;
		1708
		1709	REQ_SEND;
		1710	}
		1711	}
		1712
		1713	void
1127	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1714	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1128	ALIAS:	1715	ALIAS:
1129	aio_readlink = EIO_READLINK	1716	aio_readlink = EIO_READLINK
1130	aio_realpath = EIO_REALPATH	1717	aio_realpath = EIO_REALPATH
1131	PPCODE:	1718	PPCODE:
1132	{	1719	{
1133	SV *data;
1134	dREQ;	1720	dREQ;
1135		1721
1136	req->type = ix;	1722	req->type = ix;
1137	req->sv1 = newSVsv (path);	1723	req_set_path1 (req, pathname);
1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
1139		1724
1140	REQ_SEND;	1725	REQ_SEND;
1141	}	1726	}
1142		1727
1143	void	1728	void
1144	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1729	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1145	PPCODE:	1730	PPCODE:
1146	{	1731	{
1147	int ifd = s_fileno_croak (in_fh , 0);	1732	int ifd = s_fileno_croak (in_fh , 0);
1148	int ofd = s_fileno_croak (out_fh, 1);	1733	int ofd = s_fileno_croak (out_fh, 1);
1149	dREQ;	1734	dREQ;
1150		1735
1151	req->type = EIO_SENDFILE;	1736	req->type = EIO_SENDFILE;
1152	req->sv1 = newSVsv (out_fh);	1737	req->sv1 = newSVsv (out_fh);
1153	req->int1 = ofd;	1738	req->int1 = ofd;
…		…
1158		1743
1159	REQ_SEND;	1744	REQ_SEND;
1160	}	1745	}
1161		1746
1162	void	1747	void
1163	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1748	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1164	PPCODE:	1749	PPCODE:
1165	{	1750	{
1166	int fd = s_fileno_croak (fh, 0);	1751	int fd = s_fileno_croak (fh, 0);
1167	dREQ;	1752	dREQ;
1168		1753
1169	req->type = EIO_READAHEAD;	1754	req->type = EIO_READAHEAD;
1170	req->sv1 = newSVsv (fh);	1755	req->sv1 = newSVsv (fh);
1171	req->int1 = fd;	1756	req->int1 = fd;
…		…
1174		1759
1175	REQ_SEND;	1760	REQ_SEND;
1176	}	1761	}
1177		1762
1178	void	1763	void
1179	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1764	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1180	ALIAS:	1765	ALIAS:
1181	aio_stat = EIO_STAT	1766	aio_stat = EIO_STAT
1182	aio_lstat = EIO_LSTAT	1767	aio_lstat = EIO_LSTAT
1183	aio_statvfs = EIO_STATVFS	1768	aio_statvfs = EIO_STATVFS
1184	PPCODE:	1769	PPCODE:
1185	{	1770	{
1186	dREQ;	1771	dREQ;
1187		1772
1188	req->sv1 = newSVsv (fh_or_path);	1773	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190	if (SvPOK (req->sv1))
1191	{
1192	req->type = ix;
1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
1194	}
1195	else
1196	{
1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199	}
1200		1774
1201	REQ_SEND;	1775	REQ_SEND;
1202	}	1776	}
		1777
		1778	void
		1779	st_xtime ()
		1780	ALIAS:
		1781	st_atime = 0x01
		1782	st_mtime = 0x02
		1783	st_ctime = 0x04
		1784	st_btime = 0x08
		1785	st_xtime = 0x0f
		1786	PPCODE:
		1787	EXTEND (SP, 4);
		1788	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1789	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1790	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1791	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1792
		1793	void
		1794	st_xtimensec ()
		1795	ALIAS:
		1796	st_atimensec = 0x01
		1797	st_mtimensec = 0x02
		1798	st_ctimensec = 0x04
		1799	st_btimensec = 0x08
		1800	st_xtimensec = 0x0f
		1801	st_btimesec = 0x10
		1802	st_gen = 0x20
		1803	PPCODE:
		1804	EXTEND (SP, 4);
		1805	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1806	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1807	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1808	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1809	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1810	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1203		1811
1204	UV	1812	UV
1205	major (UV dev)	1813	major (UV dev)
1206	ALIAS:	1814	ALIAS:
1207	minor = 1	1815	minor = 1
1208	CODE:	1816	CODE:
1209	RETVAL = ix ? major (dev) : minor (dev);	1817	RETVAL = ix ? minor (dev) : major (dev);
1210	OUTPUT:	1818	OUTPUT:
1211	RETVAL	1819	RETVAL
1212		1820
1213	UV	1821	UV
1214	makedev (UV maj, UV min)	1822	makedev (UV maj, UV min)
…		…
1216	RETVAL = makedev (maj, min);	1824	RETVAL = makedev (maj, min);
1217	OUTPUT:	1825	OUTPUT:
1218	RETVAL	1826	RETVAL
1219		1827
1220	void	1828	void
1221	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1829	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1222	PPCODE:	1830	PPCODE:
1223	{	1831	{
1224	dREQ;	1832	dREQ;
1225		1833
1226	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1834	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1835	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228	req->sv1 = newSVsv (fh_or_path);	1836	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230	if (SvPOK (req->sv1))
1231	{
1232	req->type = EIO_UTIME;
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	}
1235	else
1236	{
1237	req->type = EIO_FUTIME;
1238	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239	}
1240		1837
1241	REQ_SEND;	1838	REQ_SEND;
1242	}	1839	}
1243		1840
1244	void	1841	void
1245	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1842	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1246	PPCODE:	1843	PPCODE:
1247	{	1844	{
1248	dREQ;	1845	dREQ;
1249		1846
1250	req->sv1 = newSVsv (fh_or_path);
1251	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1847	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252		1848	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253	if (SvPOK (req->sv1))
1254	{
1255	req->type = EIO_TRUNCATE;
1256	req->ptr1 = SvPVbyte_nolen (req->sv1);
1257	}
1258	else
1259	{
1260	req->type = EIO_FTRUNCATE;
1261	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262	}
1263		1849
1264	REQ_SEND;	1850	REQ_SEND;
1265	}	1851	}
1266		1852
1267	void	1853	void
1268	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1854	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1269	ALIAS:
1270	aio_chmod = EIO_CHMOD
1271	aio_mkdir = EIO_MKDIR
1272	PPCODE:	1855	PPCODE:
1273	{	1856	{
1274	dREQ;	1857	dREQ;
1275		1858
1276	req->int2 = mode;	1859	req->int2 = mode;
1277	req->sv1 = newSVsv (fh_or_path);	1860	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279	if (SvPOK (req->sv1))
1280	{
1281	req->type = ix;
1282	req->ptr1 = SvPVbyte_nolen (req->sv1);
1283	}
1284	else
1285	{
1286	req->type = EIO_FCHMOD;
1287	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288	}
1289		1861
1290	REQ_SEND;	1862	REQ_SEND;
1291	}	1863	}
1292		1864
1293	void	1865	void
1294	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1866	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1295	PPCODE:	1867	PPCODE:
1296	{	1868	{
1297	dREQ;	1869	dREQ;
1298		1870
1299	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1871	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1872	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301	req->sv1 = newSVsv (fh_or_path);	1873	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303	if (SvPOK (req->sv1))
1304	{
1305	req->type = EIO_CHOWN;
1306	req->ptr1 = SvPVbyte_nolen (req->sv1);
1307	}
1308	else
1309	{
1310	req->type = EIO_FCHOWN;
1311	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312	}
1313		1874
1314	REQ_SEND;	1875	REQ_SEND;
1315	}	1876	}
1316		1877
1317	void	1878	void
1318	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1879	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1319	PPCODE:	1880	PPCODE:
1320	{	1881	{
1321	dREQ;	1882	dREQ;
1322		1883
1323	req->type = EIO_READDIR;	1884	req->type = EIO_READDIR;
1324	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1885	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327		1886
1328	if (flags & EIO_READDIR_DENTS)	1887	if (flags & EIO_READDIR_DENTS)
1329	req->int1 |= EIO_READDIR_CUSTOM2;	1888	req->int1 |= EIO_READDIR_CUSTOM2;
1330		1889
		1890	req_set_path1 (req, pathname);
		1891
1331	REQ_SEND;	1892	REQ_SEND;
1332	}	1893	}
1333		1894
1334	void	1895	void
		1896	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1897	PPCODE:
		1898	{
		1899	dREQ;
		1900
		1901	req->type = EIO_MKDIR;
		1902	req->int2 = mode;
		1903	req_set_path1 (req, pathname);
		1904
		1905	REQ_SEND;
		1906	}
		1907
		1908	void
1335	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1909	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1336	ALIAS:	1910	ALIAS:
1337	aio_unlink = EIO_UNLINK	1911	aio_unlink = EIO_UNLINK
1338	aio_rmdir = EIO_RMDIR	1912	aio_rmdir = EIO_RMDIR
1339	aio_readdir = EIO_READDIR	1913	aio_readdir = EIO_READDIR
1340	PPCODE:	1914	PPCODE:
1341	{	1915	{
1342	dREQ;	1916	dREQ;
1343		1917
1344	req->type = ix;	1918	req->type = ix;
1345	req->sv1 = newSVsv (pathname);	1919	req_set_path1 (req, pathname);
1346	req->ptr1 = SvPVbyte_nolen (req->sv1);
1347		1920
1348	REQ_SEND;	1921	REQ_SEND;
1349	}	1922	}
1350		1923
1351	void	1924	void
1352	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1925	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1353	ALIAS:	1926	ALIAS:
1354	aio_link = EIO_LINK	1927	aio_link = EIO_LINK
1355	aio_symlink = EIO_SYMLINK	1928	aio_symlink = EIO_SYMLINK
1356	aio_rename = EIO_RENAME	1929	aio_rename = EIO_RENAME
1357	PPCODE:	1930	PPCODE:
1358	{	1931	{
		1932	eio_wd wd2 = 0;
1359	dREQ;	1933	dREQ;
1360		1934
1361	req->type = ix;	1935	req->type = ix;
1362	req->sv1 = newSVsv (oldpath);	1936	req_set_path1 (req, oldpath);
1363	req->ptr1 = SvPVbyte_nolen (req->sv1);	1937	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364	req->sv2 = newSVsv (newpath);	1938	req->int3 = (long)wd2;
1365	req->ptr2 = SvPVbyte_nolen (req->sv2);
1366		1939
1367	REQ_SEND;	1940	REQ_SEND;
1368	}	1941	}
1369		1942
1370	void	1943	void
		1944	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1945	PPCODE:
		1946	{
		1947	eio_wd wd2 = 0;
		1948	dREQ;
		1949
		1950	req->type = EIO_RENAME;
		1951	req_set_path1 (req, oldpath);
		1952	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1953	req->int2 = flags;
		1954	req->int3 = (long)wd2;
		1955
		1956	REQ_SEND;
		1957	}
		1958
		1959	void
1371	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1960	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1372	PPCODE:	1961	PPCODE:
1373	{	1962	{
1374	dREQ;	1963	dREQ;
1375		1964
1376	req->type = EIO_MKNOD;	1965	req->type = EIO_MKNOD;
1377	req->sv1 = newSVsv (pathname);
1378	req->ptr1 = SvPVbyte_nolen (req->sv1);
1379	req->int2 = (mode_t)mode;	1966	req->int2 = (mode_t)mode;
1380	req->offs = dev;	1967	req->offs = dev;
		1968	req_set_path1 (req, pathname);
1381		1969
1382	REQ_SEND;	1970	REQ_SEND;
1383	}	1971	}
1384		1972
1385	void	1973	void
1386	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1974	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1387	ALIAS:	1975	ALIAS:
1388	aio_mtouch = EIO_MTOUCH	1976	aio_mtouch = EIO_MTOUCH
1389	aio_msync = EIO_MSYNC	1977	aio_msync = EIO_MSYNC
1390	PPCODE:	1978	PPCODE:
1391	{	1979	{
1392	STRLEN svlen;	1980	STRLEN svlen;
1393	char *svptr = SvPVbyte (data, svlen);	1981	char *svptr = SvPVbyte (data, svlen);
1394	UV len = SvUV (length);	1982	UV len = SvUV (length);
		1983
		1984	if (flags < 0)
		1985	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1395		1986
1396	if (offset < 0)	1987	if (offset < 0)
1397	offset += svlen;	1988	offset += svlen;
1398		1989
1399	if (offset < 0 || offset > svlen)	1990	if (offset < 0 || offset > svlen)
…		…
1414	REQ_SEND;	2005	REQ_SEND;
1415	}	2006	}
1416	}	2007	}
1417		2008
1418	void	2009	void
1419	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2010	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1420	PPCODE:	2011	PPCODE:
1421	{	2012	{
1422	STRLEN svlen;	2013	STRLEN svlen;
1423	char *svptr = SvPVbyte (data, svlen);	2014	char *svptr = SvPVbyte (data, svlen);
1424	UV len = SvUV (length);	2015	UV len = SvUV (length);
…		…
1443	REQ_SEND;	2034	REQ_SEND;
1444	}	2035	}
1445	}	2036	}
1446		2037
1447	void	2038	void
1448	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2039	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1449	PPCODE:	2040	PPCODE:
1450	{	2041	{
1451	dREQ;	2042	dREQ;
1452		2043
1453	req->type = EIO_MLOCKALL;	2044	req->type = EIO_MLOCKALL;
…		…
1455		2046
1456	REQ_SEND;	2047	REQ_SEND;
1457	}	2048	}
1458		2049
1459	void	2050	void
		2051	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		2052	PPCODE:
		2053	{
		2054	int fd = s_fileno_croak (fh, 0);
		2055	dREQ;
		2056
		2057	req->type = EIO_CUSTOM;
		2058	req->sv1 = newSVsv (fh);
		2059	req->int1 = fd;
		2060
		2061	req->feed = fiemap;
		2062	#if HAVE_FIEMAP
		2063	/* keep our fingers crossed that the next two types are 64 bit */
		2064	req->offs = start;
		2065	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		2066	req->int2 = flags;
		2067	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2068	#endif
		2069
		2070	REQ_SEND;
		2071	}
		2072
		2073	void
		2074	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2075	PPCODE:
		2076	{
		2077	char *svptr = 0;
		2078
		2079	sv_clear_foreign (data);
		2080
		2081	if (length) /* known length, directly read into scalar */
		2082	{
		2083	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2084	svptr = sv_grow (data, length + 1);
		2085	else if (SvCUR (data) < length)
		2086	croak ("length outside of scalar, and cannot grow");
		2087	else
		2088	svptr = SvPVbyte_nolen (data);
		2089	}
		2090
		2091	{
		2092	dREQ;
		2093
		2094	req->type = EIO_SLURP;
		2095	req_set_path1 (req, pathname);
		2096	req->offs = offset;
		2097	req->size = length;
		2098	req->sv2 = SvREFCNT_inc (data);
		2099	req->ptr2 = svptr;
		2100
		2101	if (!SvREADONLY (data))
		2102	{
		2103	SvREADONLY_on (data);
		2104	req->flags |= FLAG_SV2_RO_OFF;
		2105	}
		2106
		2107	REQ_SEND;
		2108	}
		2109	}
		2110
		2111	void
1460	aio_busy (double delay, SV *callback=&PL_sv_undef)	2112	aio_busy (double delay, SV *callback = &PL_sv_undef)
1461	PPCODE:	2113	PPCODE:
1462	{	2114	{
1463	dREQ;	2115	dREQ;
1464		2116
1465	req->type = EIO_BUSY;	2117	req->type = EIO_BUSY;
…		…
1467		2119
1468	REQ_SEND;	2120	REQ_SEND;
1469	}	2121	}
1470		2122
1471	void	2123	void
1472	aio_group (SV *callback=&PL_sv_undef)	2124	aio_group (SV *callback = &PL_sv_undef)
1473	PPCODE:	2125	PPCODE:
1474	{	2126	{
1475	dREQ;	2127	dREQ;
1476		2128
1477	req->type = EIO_GROUP;	2129	req->type = EIO_GROUP;
1478		2130
		2131	PUTBACK;
1479	req_submit (req);	2132	req_submit (req);
		2133	SPAGAIN;
		2134
1480	XPUSHs (req_sv (req, aio_grp_stash));	2135	XPUSHs (req_sv (req, aio_grp_stash));
1481	}	2136	}
1482		2137
1483	void	2138	void
1484	aio_nop (SV *callback=&PL_sv_undef)	2139	aio_nop (SV *callback = &PL_sv_undef)
1485	ALIAS:	2140	ALIAS:
1486	aio_nop = EIO_NOP	2141	aio_nop = EIO_NOP
1487	aio_sync = EIO_SYNC	2142	aio_sync = EIO_SYNC
1488	PPCODE:	2143	PPCODE:
1489	{	2144	{
…		…
1493		2148
1494	REQ_SEND;	2149	REQ_SEND;
1495	}	2150	}
1496		2151
1497	int	2152	int
1498	aioreq_pri (int pri = 0)	2153	aioreq_pri (int pri = NO_INIT)
1499	CODE:	2154	CODE:
1500	RETVAL = next_pri;	2155	RETVAL = next_pri;
1501	if (items > 0)	2156	if (items > 0)
1502	{	2157	{
1503	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2158	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1585	CODE:	2240	CODE:
1586	RETVAL = posix_fadvise (fh, offset, length, advice);	2241	RETVAL = posix_fadvise (fh, offset, length, advice);
1587	OUTPUT:	2242	OUTPUT:
1588	RETVAL	2243	RETVAL
1589		2244
1590	ssize_t	2245	IV
1591	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2246	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592	CODE:	2247	CODE:
1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2248	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594	OUTPUT:	2249	OUTPUT:
1595	RETVAL	2250	RETVAL
1596		2251
1597	void	2252	void
1598	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2253	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1599	PPCODE:	2254	PPCODE:
1600	sv_unmagic (scalar, MMAP_MAGIC);	2255	sv_clear_foreign (scalar);
1601	{	2256	{
1602	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2257	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2258	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1604	if (addr == (void *)-1)	2259	if (addr == (void *)-1)
1605	XSRETURN_NO;	2260	XSRETURN_NO;
1606		2261
1607	sv_force_normal (scalar);	2262	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1608
1609	/* we store the length in mg_obj, as namlen is I32 :/ */
1610	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1611	->mg_obj = (SV *)length;
1612
1613	SvUPGRADE (scalar, SVt_PV); /* nop... */
1614		2263
1615	if (!(prot & PROT_WRITE))	2264	if (!(prot & PROT_WRITE))
1616	SvREADONLY_on (scalar);	2265	SvREADONLY_on (scalar);
1617		2266
1618	if (SvLEN (scalar))
1619	Safefree (SvPVX (scalar));
1620
1621	SvPVX (scalar) = (char *)addr;
1622	SvCUR_set (scalar, length);
1623	SvLEN_set (scalar, 0);
1624	SvPOK_only (scalar);
1625
1626	XSRETURN_YES;	2267	XSRETURN_YES;
1627	}	2268	}
1628		2269
1629	void	2270	void
1630	munmap (SV *scalar)	2271	munmap (SV *scalar)
1631	CODE:	2272	CODE:
1632	sv_unmagic (scalar, MMAP_MAGIC);	2273	sv_clear_foreign (scalar);
		2274
		2275	SV *
		2276	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2277	CODE:
		2278	{
		2279	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2280	void *new;
		2281
		2282	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2283	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2284
		2285	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2286
		2287	RETVAL = &PL_sv_no;
		2288
		2289	if (new != (void *)-1)
		2290	{
		2291	RETVAL = new == (void *)mg->mg_ptr
		2292	? newSVpvn ("0 but true", 10)
		2293	: &PL_sv_yes;
		2294
		2295	mg->mg_ptr = (char *)new;
		2296	mg->mg_obj = (SV *)new_length;
		2297
		2298	SvPVX (scalar) = mg->mg_ptr;
		2299	SvCUR_set (scalar, new_length);
		2300	}
		2301	}
		2302	OUTPUT:
		2303	RETVAL
1633		2304
1634	int	2305	int
1635	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2306	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1636	ALIAS:	2307	ALIAS:
1637	mprotect = 1	2308	mprotect = 1
1638	CODE:	2309	CODE:
1639	{	2310	{
1640	STRLEN svlen;	2311	STRLEN svlen;
1641	void *addr = SvPVbyte (scalar, svlen);	2312	void *addr = SvPVbyte (scalar, svlen);
1642	size_t len = SvUV (length);	2313	STRLEN len = SvUV (length);
1643		2314
1644	if (offset < 0)	2315	if (offset < 0)
1645	offset += svlen;	2316	offset += svlen;
1646		2317
1647	if (offset < 0 || offset > svlen)	2318	if (offset < 0 || offset > svlen)
…		…
1661	}	2332	}
1662	OUTPUT:	2333	OUTPUT:
1663	RETVAL	2334	RETVAL
1664		2335
1665	int	2336	int
1666	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2337	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1667	CODE:	2338	CODE:
1668	{	2339	{
1669	STRLEN svlen;	2340	STRLEN svlen;
1670	void *addr = SvPVbyte (scalar, svlen);	2341	void *addr = SvPVbyte (scalar, svlen);
1671	size_t len = SvUV (length);	2342	size_t len = SvUV (length);
1672		2343
1673	if (offset < 0)	2344	if (offset < 0)
1674	offset += svlen;	2345	offset += svlen;
1675		2346
…		…
1682	addr = (void *)(((intptr_t)addr) + offset);	2353	addr = (void *)(((intptr_t)addr) + offset);
1683	eio_page_align (&addr, &len);	2354	eio_page_align (&addr, &len);
1684	#if _POSIX_MEMLOCK_RANGE	2355	#if _POSIX_MEMLOCK_RANGE
1685	RETVAL = munlock (addr, len);	2356	RETVAL = munlock (addr, len);
1686	#else	2357	#else
1687	RETVAL = ((errno = ENOSYS), -1);	2358	RETVAL = EIO_ENOSYS ();
1688	#endif	2359	#endif
1689	}	2360	}
1690	OUTPUT:	2361	OUTPUT:
		2362	RETVAL
		2363
		2364	int
		2365	mlockall (int flags)
		2366	PROTOTYPE: $;
		2367	CODE:
		2368	RETVAL = eio_mlockall_sync (flags);
		2369	OUTPUT:
1691	RETVAL	2370	RETVAL
1692		2371
1693	int	2372	int
1694	munlockall ()	2373	munlockall ()
1695	CODE:	2374	CODE:
1696	#if _POSIX_MEMLOCK	2375	#if _POSIX_MEMLOCK
1697	munlockall ();	2376	munlockall ();
1698	#else	2377	#else
1699	RETVAL = -1;	2378	RETVAL = EIO_ENOSYS ();
1700	errno = ENOSYS;
1701	#endif	2379	#endif
1702	OUTPUT:	2380	OUTPUT:
1703	RETVAL	2381	RETVAL
		2382
		2383	int
		2384	statx (SV8 *pathname, int flags, UV mask)
		2385	CODE:
		2386	{
		2387	/* undocumented, and might go away, and anyway, should use eio_statx */
		2388	SV *wdsv = 0;
		2389	SV *pathsv = 0;
		2390	eio_wd wd = EIO_CWD;
		2391	void *ptr;
		2392	int res;
		2393
		2394	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2395	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2396
		2397	SvREFCNT_dec (pathsv);
		2398	SvREFCNT_dec (wdsv);
		2399	}
		2400	OUTPUT:
		2401	RETVAL
		2402
		2403	U32
		2404	stx_mode ()
		2405	PROTOTYPE:
		2406	CODE:
		2407	#if HAVE_STATX
		2408	RETVAL = stx.stx_mode;
		2409	#else
		2410	XSRETURN_UNDEF;
		2411	#endif
		2412	OUTPUT:
		2413	RETVAL
		2414
		2415	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2416	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2417	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2418	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2419	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2420	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2421	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2422	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2423	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2424	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2425	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2426	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2427	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2428	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2429	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2430	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2431	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2432	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2433
		2434	U32
		2435	stx_mask ()
		2436	PROTOTYPE:
		2437	ALIAS:
		2438	stx_mask = STATX_OFFSET_mask
		2439	stx_blksize = STATX_OFFSET_blksize
		2440	stx_nlink = STATX_OFFSET_nlink
		2441	stx_uid = STATX_OFFSET_uid
		2442	stx_gid = STATX_OFFSET_gid
		2443	stx_rdev_major = STATX_OFFSET_rdev_major
		2444	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2445	stx_dev_major = STATX_OFFSET_dev_major
		2446	stx_dev_minor = STATX_OFFSET_dev_minor
		2447	CODE:
		2448	#if HAVE_STATX
		2449	RETVAL = *(__u32 *)((char *)&stx + ix);
		2450	#else
		2451	XSRETURN_UNDEF;
		2452	#endif
		2453	OUTPUT:
		2454	RETVAL
		2455
		2456	VAL64
		2457	stx_attributes ()
		2458	PROTOTYPE:
		2459	ALIAS:
		2460	stx_attributes = STATX_OFFSET_attributes
		2461	stx_ino = STATX_OFFSET_ino
		2462	stx_size = STATX_OFFSET_size
		2463	stx_blocks = STATX_OFFSET_blocks
		2464	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2465	CODE:
		2466	#if HAVE_STATX
		2467	RETVAL = *(__u64 *)((char *)&stx + ix);
		2468	#else
		2469	XSRETURN_UNDEF;
		2470	#endif
		2471	OUTPUT:
		2472	RETVAL
		2473
		2474	NV
		2475	stx_atime ()
		2476	PROTOTYPE:
		2477	ALIAS:
		2478	stx_atime = STATX_OFFSET_atime
		2479	stx_btime = STATX_OFFSET_btime
		2480	stx_ctime = STATX_OFFSET_ctime
		2481	stx_mtime = STATX_OFFSET_mtime
		2482	CODE:
		2483	#if HAVE_STATX
		2484	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2485	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2486	#else
		2487	XSRETURN_UNDEF;
		2488	#endif
		2489	OUTPUT:
		2490	RETVAL
		2491
		2492	VAL64
		2493	stx_atimesec ()
		2494	PROTOTYPE:
		2495	ALIAS:
		2496	stx_atimesec = STATX_OFFSET_atime
		2497	stx_btimesec = STATX_OFFSET_btime
		2498	stx_ctimesec = STATX_OFFSET_ctime
		2499	stx_mtimesec = STATX_OFFSET_mtime
		2500	CODE:
		2501	#if HAVE_STATX
		2502	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2503	RETVAL = ts->tv_sec;
		2504	#else
		2505	XSRETURN_UNDEF;
		2506	#endif
		2507	OUTPUT:
		2508	RETVAL
		2509
		2510	U32
		2511	stx_atimensec ()
		2512	PROTOTYPE:
		2513	ALIAS:
		2514	stx_atimensec = STATX_OFFSET_atime
		2515	stx_btimensec = STATX_OFFSET_btime
		2516	stx_ctimensec = STATX_OFFSET_ctime
		2517	stx_mtimensec = STATX_OFFSET_mtime
		2518	CODE:
		2519	#if HAVE_STATX
		2520	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2521	RETVAL = ts->tv_nsec;
		2522	#else
		2523	RETVAL = 0;
		2524	#endif
		2525	OUTPUT:
		2526	RETVAL
		2527
		2528	void
		2529	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2530	PPCODE:
		2531	{
		2532	SV *retval;
		2533	#if HAVE_ACCEPT4
		2534	socklen_t salen_ = salen ? salen + 1 : 0;
		2535
		2536	if (salen)
		2537	{
		2538	sv_upgrade (sockaddr, SVt_PV);
		2539	sv_grow (sockaddr, salen_);
		2540	}
		2541
		2542	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2543
		2544	retval = newmortalFH (res, O_RDWR);
		2545
		2546	if (res >= 0 && salen > 0)
		2547	{
		2548	if (salen_ > salen + 1)
		2549	salen_ = salen + 1;
		2550
		2551	SvPOK_only (sockaddr);
		2552	SvCUR_set (sockaddr, salen_);
		2553	}
		2554	#else
		2555	errno = ENOSYS;
		2556	retval = &PL_sv_undef;
		2557	#endif
		2558	XPUSHs (retval);
		2559	}
		2560
		2561	ssize_t
		2562	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2563	CODE:
		2564	{
		2565	#if HAVE_LINUX_SPLICE
		2566	loff_t off_in_, off_out_;
		2567	RETVAL = splice (
		2568	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2569	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2570	length, flags
		2571	);
		2572	#else
		2573	RETVAL = EIO_ENOSYS ();
		2574	#endif
		2575	}
		2576	OUTPUT:
		2577	RETVAL
		2578
		2579	ssize_t
		2580	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2581	CODE:
		2582	#if HAVE_LINUX_SPLICE
		2583	RETVAL = tee (rfh, wfh, length, flags);
		2584	#else
		2585	RETVAL = EIO_ENOSYS ();
		2586	#endif
		2587	OUTPUT:
		2588	RETVAL
		2589
		2590	int
		2591	pipesize (aio_rfd rfh, int new_size = -1)
		2592	PROTOTYPE: $;$
		2593	CODE:
		2594	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2595	if (new_size >= 0)
		2596	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2597	else
		2598	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2599	#else
		2600	errno = ENOSYS;
		2601	RETVAL = -1;
		2602	#endif
		2603	OUTPUT:
		2604	RETVAL
		2605
		2606	void
		2607	pipe2 (int flags = 0)
		2608	PROTOTYPE: ;$
		2609	PPCODE:
		2610	{
		2611	int fd[2];
		2612	int res;
		2613
		2614	if (flags)
		2615	#if HAVE_PIPE2
		2616	res = pipe2 (fd, flags);
		2617	#else
		2618	res = (errno = ENOSYS, -1);
		2619	#endif
		2620	else
		2621	res = pipe (fd);
		2622
		2623	if (!res)
		2624	{
		2625	EXTEND (SP, 2);
		2626	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2627	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2628	}
		2629	}
		2630
		2631	void
		2632	pidfd_open (int pid, unsigned int flags = 0)
		2633	PPCODE:
		2634	{
		2635	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2636	int fd = syscall (SYS_pidfd_open, pid, flags);
		2637	XPUSHs (newmortalFH (fd, O_RDWR));
		2638	}
		2639
		2640	int
		2641	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2642	PPCODE:
		2643	{
		2644	int res;
		2645	siginfo_t si = { 0 };
		2646
		2647	if (SvOK (siginfo))
		2648	{
		2649	HV *hv;
		2650	SV **svp;
		2651
		2652	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2653	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2654
		2655	hv = (HV *)SvRV (siginfo);
		2656
		2657	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2658	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2659	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2660	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2661	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2662	}
		2663
		2664	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2665	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2666
		2667	XPUSHs (sv_2mortal (newSViv (res)));
		2668	}
		2669
		2670	void
		2671	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2672	PPCODE:
		2673	{
		2674	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2675	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2676	XPUSHs (newmortalFH (fd, O_RDWR));
		2677	}
		2678
		2679	void
		2680	eventfd (unsigned int initval = 0, int flags = 0)
		2681	PPCODE:
		2682	{
		2683	int fd;
		2684	#if HAVE_EVENTFD
		2685	fd = eventfd (initval, flags);
		2686	#else
		2687	fd = (errno = ENOSYS, -1);
		2688	#endif
		2689
		2690	XPUSHs (newmortalFH (fd, O_RDWR));
		2691	}
		2692
		2693	void
		2694	timerfd_create (int clockid, int flags = 0)
		2695	PPCODE:
		2696	{
		2697	int fd;
		2698	#if HAVE_TIMERFD
		2699	fd = timerfd_create (clockid, flags);
		2700	#else
		2701	fd = (errno = ENOSYS, -1);
		2702	#endif
		2703
		2704	XPUSHs (newmortalFH (fd, O_RDWR));
		2705	}
		2706
		2707	void
		2708	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2709	PPCODE:
		2710	{
		2711	int fd = s_fileno_croak (fh, 0);
		2712	#if HAVE_TIMERFD
		2713	int res;
		2714	struct itimerspec its, ots;
		2715
		2716	ts_set (&its.it_interval, interval);
		2717	ts_set (&its.it_value , value);
		2718	res = timerfd_settime (fd, flags, &its, &ots);
		2719
		2720	if (!res)
		2721	{
		2722	EXTEND (SP, 2);
		2723	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2724	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2725	}
		2726	#else
		2727	errno = ENOSYS;
		2728	#endif
		2729	}
		2730
		2731	void
		2732	timerfd_gettime (SV *fh)
		2733	PPCODE:
		2734	{
		2735	int fd = s_fileno_croak (fh, 0);
		2736	#if HAVE_TIMERFD
		2737	int res;
		2738	struct itimerspec ots;
		2739	res = timerfd_gettime (fd, &ots);
		2740
		2741	if (!res)
		2742	{
		2743	EXTEND (SP, 2);
		2744	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2745	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2746	}
		2747	#else
		2748	errno = ENOSYS;
		2749	#endif
		2750	}
		2751
		2752	void
		2753	memfd_create (SV8 *pathname, int flags = 0)
		2754	PPCODE:
		2755	{
		2756	int fd;
		2757	#if HAVE_MEMFD_CREATE
		2758	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2759	#else
		2760	fd = (errno = ENOSYS, -1);
		2761	#endif
		2762
		2763	XPUSHs (newmortalFH (fd, O_RDWR));
		2764	}
		2765
		2766	UV
		2767	get_fdlimit ()
		2768	CODE:
		2769	#if HAVE_RLIMITS
		2770	struct rlimit rl;
		2771	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2772	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2773	#endif
		2774	XSRETURN_UNDEF;
		2775	OUTPUT:
		2776	RETVAL
		2777
		2778	void
		2779	min_fdlimit (UV limit = 0x7fffffffU)
		2780	CODE:
		2781	{
		2782	#if HAVE_RLIMITS
		2783	struct rlimit rl;
		2784	rlim_t orig_rlim_max;
		2785	UV bit;
		2786
		2787	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2788	goto fail;
		2789
		2790	if (rl.rlim_cur == RLIM_INFINITY)
		2791	XSRETURN_YES;
		2792
		2793	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2794
		2795	if (rl.rlim_cur < limit)
		2796	{
		2797	rl.rlim_cur = limit;
		2798
		2799	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2800	rl.rlim_max = rl.rlim_cur;
		2801	}
		2802
		2803	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2804	XSRETURN_YES;
		2805
		2806	if (errno == EPERM)
		2807	{
		2808	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2809	/* our limit overflows a system-wide limit */
		2810	/* try an adaptive algorithm, but do not lower the hardlimit */
		2811	rl.rlim_max = 0;
		2812	for (bit = 0x40000000U; bit; bit >>= 1)
		2813	{
		2814	rl.rlim_max |= bit;
		2815	rl.rlim_cur = rl.rlim_max;
		2816
		2817	/* never decrease the hard limit */
		2818	if (rl.rlim_max < orig_rlim_max)
		2819	break;
		2820
		2821	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2822	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2823	}
		2824
		2825	/* now, raise the soft limit to the max permitted */
		2826	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2827	{
		2828	rl.rlim_cur = rl.rlim_max;
		2829	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2830	errno = EPERM;
		2831	}
		2832	}
		2833	#endif
		2834	fail:
		2835	XSRETURN_UNDEF;
		2836	}
1704		2837
1705	void _on_next_submit (SV *cb)	2838	void _on_next_submit (SV *cb)
1706	CODE:	2839	CODE:
1707	SvREFCNT_dec (on_next_submit);	2840	SvREFCNT_dec (on_next_submit);
1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2841	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709		2842
1710	PROTOTYPES: DISABLE	2843	PROTOTYPES: DISABLE
1711		2844
		2845	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2846
		2847	BOOT:
		2848	{
		2849	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2850	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2851	}
		2852
		2853	void
		2854	DESTROY (SV *self)
		2855	CODE:
		2856	{
		2857	aio_wd wd = SvAIO_WD (self);
		2858	#if HAVE_AT
		2859	{
		2860	SV *callback = &PL_sv_undef;
		2861	dREQ; /* clobbers next_pri :/ */
		2862	next_pri = req->pri; /* restore next_pri */
		2863	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2864	req->type = EIO_WD_CLOSE;
		2865	req->wd = wd;
		2866	REQ_SEND;
		2867	}
		2868	#else
		2869	eio_wd_close_sync (wd);
		2870	#endif
		2871	}
		2872
1712	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2873	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713		2874
1714	void	2875	void
1715	cancel (aio_req_ornot req)	2876	cancel (aio_req_ornot req)
1716	CODE:	2877	CODE:
1717	eio_cancel (req);	2878	eio_cancel (req);
1718		2879
1719	void	2880	void
1720	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2881	cb (aio_req_ornot req, SV *callback = NO_INIT)
1721	PPCODE:	2882	PPCODE:
1722	{	2883	{
1723	if (GIMME_V != G_VOID)	2884	if (GIMME_V != G_VOID)
1724	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2885	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1725		2886
1726	if (items > 1)	2887	if (items > 1)
1727	{	2888	{
1728	SV *cb_cv =get_cb (callback);	2889	SV *cb_cv = get_cb (callback);
1729		2890
1730	SvREFCNT_dec (req->callback);	2891	SvREFCNT_dec (req->callback);
1731	req->callback = SvREFCNT_inc (cb_cv);	2892	req->callback = SvREFCNT_inc (cb_cv);
1732	}	2893	}
1733	}	2894	}
…		…
1790	limit (aio_req grp, int limit)	2951	limit (aio_req grp, int limit)
1791	CODE:	2952	CODE:
1792	eio_grp_limit (grp, limit);	2953	eio_grp_limit (grp, limit);
1793		2954
1794	void	2955	void
1795	feed (aio_req grp, SV *callback=&PL_sv_undef)	2956	feed (aio_req grp, SV *callback = &PL_sv_undef)
1796	CODE:	2957	CODE:
1797	{	2958	{
1798	SvREFCNT_dec (grp->sv2);	2959	SvREFCNT_dec (grp->sv2);
1799	grp->sv2 = newSVsv (callback);	2960	grp->sv2 = newSVsv (callback);
1800	grp->feed = aio_grp_feed;	2961	grp->feed = aio_grp_feed;

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