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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.209 by root, Sun Apr 1 17:46:02 2012 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif
24
25	#if !_POSIX_MAPPED_FILES
26	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27	# define munmap(addr,length) (errno = ENOSYS, -1)
28	#endif	22	#endif
29		23
30	/* perl namespace pollution */	24	/* perl namespace pollution */
31	#undef VERSION	25	#undef VERSION
32
33	#ifdef _WIN32
34
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions
40	# undef open
41	# undef read
42	# undef write
43	# undef send
44	# undef recv
45	# undef stat
46	# undef fstat
47	# define lstat stat
48	# undef truncate
49	# undef ftruncate
50	# undef open
51	# undef close
52	# undef unlink
53	# undef rmdir
54	# undef rename
55	# undef lseek
56
57	# define chown(a,b,c) (errno = ENOSYS, -1)
58	# define fchown(a,b,c) (errno = ENOSYS, -1)
59	# define fchmod(a,b) (errno = ENOSYS, -1)
60	# define symlink(a,b) (errno = ENOSYS, -1)
61	# define readlink(a,b,c) (errno = ENOSYS, -1)
62	# define mknod(a,b,c) (errno = ENOSYS, -1)
63	# define truncate(a,b) (errno = ENOSYS, -1)
64	# define ftruncate(fd,o) chsize ((fd), (o))
65	# define fsync(fd) _commit (fd)
66	# define opendir(fd) (errno = ENOSYS, 0)
67	# define readdir(fd) (errno = ENOSYS, -1)
68	# define closedir(fd) (errno = ENOSYS, -1)
69	# define mkdir(a,b) mkdir (a)
70
71	#else
72
73	# include <sys/time.h>
74	# include <sys/select.h>
75	# include <unistd.h>
76	# include <utime.h>
77	# include <signal.h>
78	# define EIO_STRUCT_DIRENT struct dirent
79
80	#endif
81		26
82	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
83	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
84	#undef readdir	29	#undef readdir
85	#undef opendir	30	#undef opendir
86	#undef closedir	31	#undef closedir
87		32
		33	#ifdef _WIN32
		34
		35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
		39	#undef open
		40	#undef read
		41	#undef write
		42	#undef send
		43	#undef recv
		44	#undef stat
		45	#undef lstat
		46	#undef fstat
		47	#undef truncate
		48	#undef ftruncate
		49	#undef open
		50	#undef link
		51	#undef close
		52	#undef unlink
		53	#undef mkdir
		54	#undef rmdir
		55	#undef rename
		56	#undef lseek
		57	#undef opendir
		58	#undef readdir
		59	#undef closedir
		60	#undef chmod
		61	#undef fchmod
		62	#undef dup
		63	#undef dup2
		64	#undef abort
		65	#undef pipe
		66
		67	#define EIO_STRUCT_STAT struct _stati64
		68	#define EIO_STRUCT_STATI64
		69
		70	#else
		71
		72	#include <sys/time.h>
		73	#include <sys/select.h>
		74	#include <unistd.h>
		75	#include <utime.h>
		76	#include <signal.h>
		77
88	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
		79
		80	#endif
89		81
90	/* use NV for 32 bit perls as it allows larger offsets */	82	/* use NV for 32 bit perls as it allows larger offsets */
91	#if IVSIZE >= 8	83	#if IVSIZE >= 8
92	# define VAL64 IV	84	# define VAL64 IV
93	# define SvVAL64 SvIV	85	# define SvVAL64 SvIV
…		…
113		105
114	typedef SV SV8; /* byte-sv, used for argument-checking */	106	typedef SV SV8; /* byte-sv, used for argument-checking */
115	typedef int aio_rfd; /* read file desriptor */	107	typedef int aio_rfd; /* read file desriptor */
116	typedef int aio_wfd; /* write file descriptor */	108	typedef int aio_wfd; /* write file descriptor */
117		109
118	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	110	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119		111
120	#define EIO_REQ_MEMBERS \	112	#define EIO_REQ_MEMBERS \
121	SV *callback; \	113	SV *callback; \
122	SV *sv1, *sv2; \	114	SV *sv1, *sv2; \
		115	SV *sv3, *sv4; \
123	STRLEN stroffset; \	116	STRLEN stroffset; \
124	SV *self;	117	SV *self;
125		118
126	#define EIO_NO_WRAPPERS 1	119	#define EIO_NO_WRAPPERS 1
127		120
		121	#include "libeio/config.h"
128	#include "libeio/eio.h"	122	#include "libeio/eio.h"
		123
		124	static int req_invoke (eio_req *req);
		125	#define EIO_FINISH(req) req_invoke (req)
		126	static void req_destroy (eio_req *grp);
		127	#define EIO_DESTROY(req) req_destroy (req)
		128
		129	#include "libeio/eio.c"
		130
		131	/* Linux/others */
		132	#ifndef O_ASYNC
		133	# define O_ASYNC 0
		134	#endif
		135	#ifndef O_DIRECT
		136	# define O_DIRECT 0
		137	#endif
		138	#ifndef O_NOATIME
		139	# define O_NOATIME 0
		140	#endif
		141
		142	/* POSIX */
		143	#ifndef O_CLOEXEC
		144	# define O_CLOEXEC 0
		145	#endif
		146	#ifndef O_NOFOLLOW
		147	# define O_NOFOLLOW 0
		148	#endif
		149	#ifndef O_NOCTTY
		150	# define O_NOCTTY 0
		151	#endif
		152	#ifndef O_NONBLOCK
		153	# define O_NONBLOCK 0
		154	#endif
		155	#ifndef O_EXEC
		156	# define O_EXEC 0
		157	#endif
		158	#ifndef O_SEARCH
		159	# define O_SEARCH 0
		160	#endif
		161	#ifndef O_DIRECTORY
		162	# define O_DIRECTORY 0
		163	#endif
		164	#ifndef O_DSYNC
		165	# define O_DSYNC 0
		166	#endif
		167	#ifndef O_RSYNC
		168	# define O_RSYNC 0
		169	#endif
		170	#ifndef O_SYNC
		171	# define O_SYNC 0
		172	#endif
		173	#ifndef O_TTY_INIT
		174	# define O_TTY_INIT 0
		175	#endif
129		176
130	#ifndef POSIX_FADV_NORMAL	177	#ifndef POSIX_FADV_NORMAL
131	# define POSIX_FADV_NORMAL 0	178	# define POSIX_FADV_NORMAL 0
132	# define NO_FADVISE 1
133	#endif	179	#endif
134	#ifndef POSIX_FADV_SEQUENTIAL	180	#ifndef POSIX_FADV_SEQUENTIAL
135	# define POSIX_FADV_SEQUENTIAL 0	181	# define POSIX_FADV_SEQUENTIAL 0
136	#endif	182	#endif
137	#ifndef POSIX_FADV_RANDOM	183	#ifndef POSIX_FADV_RANDOM
…		…
145	#endif	191	#endif
146	#ifndef POSIX_FADV_DONTNEED	192	#ifndef POSIX_FADV_DONTNEED
147	# define POSIX_FADV_DONTNEED 0	193	# define POSIX_FADV_DONTNEED 0
148	#endif	194	#endif
149		195
		196	#if !HAVE_POSIX_FADVISE
		197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		198	#endif
		199
		200	#ifndef POSIX_MADV_NORMAL
		201	# define POSIX_MADV_NORMAL 0
		202	#endif
		203	#ifndef POSIX_MADV_SEQUENTIAL
		204	# define POSIX_MADV_SEQUENTIAL 0
		205	#endif
		206	#ifndef POSIX_MADV_RANDOM
		207	# define POSIX_MADV_RANDOM 0
		208	#endif
		209	#ifndef POSIX_MADV_WILLNEED
		210	# define POSIX_MADV_WILLNEED 0
		211	#endif
		212	#ifndef POSIX_MADV_DONTNEED
		213	# define POSIX_MADV_DONTNEED 0
		214	#endif
		215
		216	#if !HAVE_POSIX_MADVISE
		217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		218	#endif
		219
		220	#ifndef PROT_NONE
		221	# define PROT_NONE 0
		222	#endif
		223	#ifndef PROT_READ
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_WRITE
		227	# define PROT_READ 0
		228	#endif
		229	#ifndef PROT_EXEC
		230	# define PROT_EXEC 0
		231	#endif
		232
		233	#ifndef ST_RDONLY
		234	# define ST_RDONLY 0
		235	#endif
		236	#ifndef ST_NOSUID
		237	# define ST_NOSUID 0
		238	#endif
150	#ifndef ST_NODEV	239	#ifndef ST_NODEV
151	# define ST_NODEV 0	240	# define ST_NODEV 0
152	#endif	241	#endif
153	#ifndef ST_NOEXEC	242	#ifndef ST_NOEXEC
154	# define ST_NOEXEC 0	243	# define ST_NOEXEC 0
…		…
176	#endif	265	#endif
177	#ifndef ST_RELATIME	266	#ifndef ST_RELATIME
178	# define ST_RELATIME 0	267	# define ST_RELATIME 0
179	#endif	268	#endif
180		269
181	#ifndef MCL_CURRENT	270	#ifndef S_IFIFO
182	# define MCL_CURRENT 0	271	# define S_IFIFO 0
183	#endif	272	#endif
184	#ifndef MCL_FUTURE	273	#ifndef S_IFCHR
185	# define MCL_FUTURE 0	274	# define S_IFCHR 0
		275	#endif
		276	#ifndef S_IFBLK
		277	# define S_IFBLK 0
		278	#endif
		279	#ifndef S_IFLNK
		280	# define S_IFLNK 0
		281	#endif
		282	#ifndef S_IFREG
		283	# define S_IFREG 0
		284	#endif
		285	#ifndef S_IFDIR
		286	# define S_IFDIR 0
		287	#endif
		288	#ifndef S_IFWHT
		289	# define S_IFWHT 0
		290	#endif
		291	#ifndef S_IFSOCK
		292	# define S_IFSOCK 0
186	#endif	293	#endif
187		294
188	#ifndef MAP_ANONYMOUS	295	#ifndef MAP_ANONYMOUS
189	# ifdef MAP_ANON	296	# ifdef MAP_ANON
190	# define MAP_ANONYMOUS MAP_ANON	297	# define MAP_ANONYMOUS MAP_ANON
…		…
206	#endif	313	#endif
207	#ifndef MAP_NONBLOCK	314	#ifndef MAP_NONBLOCK
208	# define MAP_NONBLOCK 0	315	# define MAP_NONBLOCK 0
209	#endif	316	#endif
210		317
		318	#ifndef makedev
		319	# define makedev(maj,min) (((maj) << 8) | (min))
		320	#endif
		321	#ifndef major
		322	# define major(dev) ((dev) >> 8)
		323	#endif
		324	#ifndef minor
		325	# define minor(dev) ((dev) & 0xff)
		326	#endif
		327
211	#ifndef PAGESIZE	328	#ifndef PAGESIZE
212	# define PAGESIZE sysconf (_SC_PAGESIZE)	329	# define PAGESIZE sysconf (_SC_PAGESIZE)
213	#endif	330	#endif
214
215	static int req_invoke (eio_req *req);
216	#define EIO_FINISH(req) req_invoke (req)
217	static void req_destroy (eio_req *grp);
218	#define EIO_DESTROY(req) req_destroy (req)
219		331
220	enum {	332	enum {
221	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222	};	334	};
223		335
224	#include "libeio/eio.c"
225
226	typedef eio_req *aio_req;	336	typedef eio_req *aio_req;
227	typedef eio_req *aio_req_ornot;	337	typedef eio_req *aio_req_ornot;
		338	typedef eio_wd aio_wd;
228		339
229	static SV *on_next_submit;	340	static SV *on_next_submit;
230	static int next_pri = EIO_PRI_DEFAULT;	341	static int next_pri = EIO_PRI_DEFAULT;
231	static int max_outstanding;	342	static int max_outstanding;
232		343
233	static s_epipe respipe;	344	static s_epipe respipe;
234		345
235	static void req_destroy (aio_req req);	346	static void req_destroy (aio_req req);
236	static void req_cancel (aio_req req);	347	static void req_cancel (aio_req req);
237		348
238	static void want_poll (void)	349	static void
		350	want_poll (void)
239	{	351	{
240	/* write a dummy byte to the pipe so fh becomes ready */	352	/* write a dummy byte to the pipe so fh becomes ready */
241	s_epipe_signal (&respipe);	353	s_epipe_signal (&respipe);
242	}	354	}
243		355
244	static void done_poll (void)	356	static void
		357	done_poll (void)
245	{	358	{
246	/* read any signals sent by the worker threads */	359	/* read any signals sent by the worker threads */
247	s_epipe_drain (&respipe);	360	s_epipe_drain (&respipe);
248	}	361	}
249		362
250	/* must be called at most once */	363	/* must be called at most once */
		364	static SV *
251	static SV *req_sv (aio_req req, HV *stash)	365	req_sv (aio_req req, HV *stash)
252	{	366	{
253	if (!req->self)	367	if (!req->self)
254	{	368	{
255	req->self = (SV *)newHV ();	369	req->self = (SV *)newHV ();
256	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	370	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
257	}	371	}
258		372
259	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	373	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
260	}	374	}
261		375
262	static aio_req SvAIO_REQ (SV *sv)	376	static SV *
		377	newSVaio_wd (aio_wd wd)
		378	{
		379	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		380	}
		381
		382	static aio_req
		383	SvAIO_REQ (SV *sv)
263	{	384	{
264	MAGIC *mg;	385	MAGIC *mg;
265		386
266	if (!SvROK (sv)	387	if (!SvROK (sv)
		388	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
267	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	389	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
268	&& SvSTASH (SvRV (sv)) != aio_req_stash	390	&& SvSTASH (SvRV (sv)) != aio_req_stash
269	&& !sv_derived_from (sv, "IO::AIO::REQ")))	391	&& !sv_derived_from (sv, "IO::AIO::REQ")))
270	croak ("object of class IO::AIO::REQ expected");	392	croak ("object of class IO::AIO::REQ expected");
271		393
272	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	394	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273		395
274	return mg ? (aio_req)mg->mg_ptr : 0;	396	return mg ? (aio_req)mg->mg_ptr : 0;
275	}	397	}
276		398
		399	static aio_wd
		400	SvAIO_WD (SV *sv)
		401	{
		402	if (!SvROK (sv)
		403	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		404	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		405	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		406
		407	return (aio_wd)(long)SvIVX (SvRV (sv));
		408	}
		409
		410	static void
277	static void aio_grp_feed (aio_req grp)	411	aio_grp_feed (aio_req grp)
278	{	412	{
279	if (grp->sv2 && SvOK (grp->sv2))	413	if (grp->sv2 && SvOK (grp->sv2))
280	{	414	{
281	dSP;	415	dSP;
282		416
…		…
290	FREETMPS;	424	FREETMPS;
291	LEAVE;	425	LEAVE;
292	}	426	}
293	}	427	}
294		428
		429	static void
295	static void req_submit (eio_req *req)	430	req_submit (eio_req *req)
296	{	431	{
297	eio_submit (req);	432	eio_submit (req);
298		433
299	if (expect_false (on_next_submit))	434	if (expect_false (on_next_submit))
300	{	435	{
…		…
307	PUTBACK;	442	PUTBACK;
308	call_sv (cb, G_DISCARD | G_EVAL);	443	call_sv (cb, G_DISCARD | G_EVAL);
309	}	444	}
310	}	445	}
311		446
		447	static int
312	static int req_invoke (eio_req *req)	448	req_invoke (eio_req *req)
313	{	449	{
314	dSP;
315
316	if (req->flags & FLAG_SV2_RO_OFF)	450	if (req->flags & FLAG_SV2_RO_OFF)
317	SvREADONLY_off (req->sv2);	451	SvREADONLY_off (req->sv2);
318		452
319	if (!EIO_CANCELLED (req) && req->callback)	453	if (!EIO_CANCELLED (req) && req->callback)
320	{	454	{
		455	dSP;
		456	static SV *sv_result_cache; /* caches the result integer SV */
		457	SV *sv_result;
		458
321	ENTER;	459	ENTER;
322	SAVETMPS;	460	SAVETMPS;
323	PUSHMARK (SP);	461	PUSHMARK (SP);
324	EXTEND (SP, 1);	462	EXTEND (SP, 1);
325		463
		464	/* do not recreate the result IV from scratch each time */
		465	if (expect_true (sv_result_cache))
		466	{
		467	sv_result = sv_result_cache; sv_result_cache = 0;
		468	SvIV_set (sv_result, req->result);
		469	SvIOK_only (sv_result);
		470	}
		471	else
		472	{
		473	sv_result = newSViv (req->result);
		474	SvREADONLY_on (sv_result);
		475	}
		476
326	switch (req->type)	477	switch (req->type)
327	{	478	{
		479	case EIO_WD_OPEN:
		480	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		481	break;
		482
328	case EIO_READDIR:	483	case EIO_READDIR:
329	{	484	{
330	SV *rv = &PL_sv_undef;	485	SV *rv = &PL_sv_undef;
331		486
332	if (req->result >= 0)	487	if (req->result >= 0)
…		…
420	case EIO_STATVFS:	575	case EIO_STATVFS:
421	case EIO_FSTATVFS:	576	case EIO_FSTATVFS:
422	{	577	{
423	SV *rv = &PL_sv_undef;	578	SV *rv = &PL_sv_undef;
424		579
		580	#ifndef _WIN32
425	if (req->result >= 0)	581	if (req->result >= 0)
426	{	582	{
427	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428	HV *hv = newHV ();	584	HV *hv = newHV ();
429		585
…		…
439	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	595	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
441	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	597	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	598	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443	}	599	}
		600	#endif
444		601
445	PUSHs (rv);	602	PUSHs (rv);
446	}	603	}
447		604
448	break;	605	break;
…		…
464	case EIO_NOP:	621	case EIO_NOP:
465	case EIO_BUSY:	622	case EIO_BUSY:
466	break;	623	break;
467		624
468	case EIO_READLINK:	625	case EIO_READLINK:
		626	case EIO_REALPATH:
469	if (req->result > 0)	627	if (req->result > 0)
470	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	628	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471	break;	629	break;
472		630
473	case EIO_STAT:	631	case EIO_STAT:
474	case EIO_LSTAT:	632	case EIO_LSTAT:
475	case EIO_FSTAT:	633	case EIO_FSTAT:
476	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	634	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		635
477	PL_laststatval = req->result;	636	if (!(PL_laststatval = req->result))
		637	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
478	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	638	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479	PUSHs (sv_2mortal (newSViv (req->result)));	639
		640	PUSHs (sv_result);
		641	break;
		642
		643	case EIO_SEEK:
		644	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
480	break;	645	break;
481		646
482	case EIO_READ:	647	case EIO_READ:
483	{	648	{
484	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	649	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485	*SvEND (req->sv2) = 0;	650	*SvEND (req->sv2) = 0;
486	SvPOK_only (req->sv2);	651	SvPOK_only (req->sv2);
487	SvSETMAGIC (req->sv2);	652	SvSETMAGIC (req->sv2);
488	PUSHs (sv_2mortal (newSViv (req->result)));	653	PUSHs (sv_result);
489	}	654	}
490	break;	655	break;
491		656
492	case EIO_DUP2:	657	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493	if (req->result > 0)	658	if (req->result > 0)
494	req->result = 0;	659	SvIV_set (sv_result, 0);
495	/* FALLTHROUGH */	660	/* FALLTHROUGH */
496		661
497	default:	662	default:
498	PUSHs (sv_2mortal (newSViv (req->result)));	663	PUSHs (sv_result);
499	break;	664	break;
500	}	665	}
501		666
502	errno = req->errorno;	667	errno = req->errorno;
503		668
504	PUTBACK;	669	PUTBACK;
505	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	670	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506	SPAGAIN;	671	SPAGAIN;
507		672
		673	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		674	SvREFCNT_dec (sv_result);
		675	else
		676	sv_result_cache = sv_result;
		677
508	FREETMPS;	678	FREETMPS;
509	LEAVE;	679	LEAVE;
510		680
511	PUTBACK;	681	PUTBACK;
512	}	682	}
513		683
514	return !!SvTRUE (ERRSV);	684	return !!SvTRUE (ERRSV);
515	}	685	}
516		686
		687	static void
517	static void req_destroy (aio_req req)	688	req_destroy (aio_req req)
518	{	689	{
519	if (req->self)	690	if (req->self)
520	{	691	{
521	sv_unmagic (req->self, PERL_MAGIC_ext);	692	sv_unmagic (req->self, PERL_MAGIC_ext);
522	SvREFCNT_dec (req->self);	693	SvREFCNT_dec (req->self);
523	}	694	}
524		695
525	SvREFCNT_dec (req->sv1);	696	SvREFCNT_dec (req->sv1);
526	SvREFCNT_dec (req->sv2);	697	SvREFCNT_dec (req->sv2);
		698	SvREFCNT_dec (req->sv3);
		699	SvREFCNT_dec (req->sv4);
527	SvREFCNT_dec (req->callback);	700	SvREFCNT_dec (req->callback);
528		701
529	Safefree (req);	702	free (req);
530	}	703	}
531		704
		705	static void
532	static void req_cancel_subs (aio_req grp)	706	req_cancel_subs (aio_req grp)
533	{	707	{
534	aio_req sub;
535
536	if (grp->type != EIO_GROUP)	708	if (grp->type != EIO_GROUP)
537	return;	709	return;
538		710
539	SvREFCNT_dec (grp->sv2);	711	SvREFCNT_dec (grp->sv2);
540	grp->sv2 = 0;	712	grp->sv2 = 0;
541		713
542	eio_grp_cancel (grp);	714	eio_grp_cancel (grp);
543	}	715	}
544		716
545	static void	717	static void ecb_cold
546	create_respipe (void)	718	create_respipe (void)
547	{	719	{
548	if (s_epipe_renew (&respipe))	720	if (s_epipe_renew (&respipe))
549	croak ("IO::AIO: unable to initialize result pipe");	721	croak ("IO::AIO: unable to initialize result pipe");
550	}	722	}
551		723
552	static void poll_wait (void)	724	static void
		725	poll_wait (void)
553	{	726	{
554	while (eio_nreqs ())	727	while (eio_nreqs ())
555	{	728	{
556	int size;	729	int size;
557		730
…		…
566		739
567	s_epipe_wait (&respipe);	740	s_epipe_wait (&respipe);
568	}	741	}
569	}	742	}
570		743
571	static int poll_cb (void)	744	static int
		745	poll_cb (void)
572	{	746	{
573	for (;;)	747	for (;;)
574	{	748	{
575	int res = eio_poll ();	749	int res = eio_poll ();
576		750
…		…
582		756
583	poll_wait ();	757	poll_wait ();
584	}	758	}
585	}	759	}
586		760
587	static void atfork_child (void)	761	static void ecb_cold
		762	reinit (void)
588	{	763	{
589	create_respipe ();	764	create_respipe ();
		765
		766	if (eio_init (want_poll, done_poll) < 0)
		767	croak ("IO::AIO: unable to initialise eio library");
590	}	768	}
591		769
592	/*****************************************************************************/	770	/*****************************************************************************/
593		771
		772	#if !_POSIX_MAPPED_FILES
		773	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		774	# define munmap(addr,length) (errno = ENOSYS, -1)
		775	#endif
		776
		777	#if !_POSIX_MEMORY_PROTECTION
		778	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		779	# define PROT_NONE 0
		780	# define PROT_WRITE 0
		781	# define MAP_PRIVATE 0
		782	# define MAP_SHARED 0
		783	# define MAP_FIXED 0
		784	#endif
		785
594	#define MMAP_MAGIC PERL_MAGIC_ext	786	#define MMAP_MAGIC PERL_MAGIC_ext
595		787
596	static int	788	static int ecb_cold
597	mmap_free (pTHX_ SV *sv, MAGIC *mg)	789	mmap_free (pTHX_ SV *sv, MAGIC *mg)
598	{	790	{
599	int old_errno = errno;	791	int old_errno = errno;
600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	792	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601	errno = old_errno;	793	errno = old_errno;
602		794
603	mg->mg_obj = 0; /* just in case */	795	mg->mg_obj = 0; /* just in case */
604		796
605	SvREADONLY_off (sv);	797	SvREADONLY_off (sv);
		798
		799	if (SvPVX (sv) != mg->mg_ptr)
		800	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		801
606	SvCUR_set (sv, 0);	802	SvCUR_set (sv, 0);
607	SvLEN_set (sv, 0);
608	SvPVX (sv) = 0;	803	SvPVX (sv) = 0;
609	SvOK_off (sv);	804	SvOK_off (sv);
610		805
611	return 0;	806	return 0;
612	}	807	}
…		…
622	{	817	{
623	SvGETMAGIC (cb_sv);	818	SvGETMAGIC (cb_sv);
624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	819	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625	}	820	}
626		821
		822	static aio_req ecb_noinline
		823	dreq (SV *callback)
		824	{
		825	SV *cb_cv;
		826	aio_req req;
		827	int req_pri = next_pri;
		828	next_pri = EIO_PRI_DEFAULT;
		829
		830	cb_cv = get_cb (callback);
		831
		832	req = calloc (sizeof (*req), 1);
		833	if (!req)
		834	croak ("out of memory during eio_req allocation");
		835
		836	req->callback = SvREFCNT_inc (cb_cv);
		837	req->pri = req_pri;
		838
		839	return req;
		840	}
		841
627	#define dREQ \	842	#define dREQ \
628	SV *cb_cv; \	843	aio_req req = dreq (callback); \
629	aio_req req; \
630	int req_pri = next_pri; \
631	next_pri = EIO_PRI_DEFAULT; \
632	\
633	cb_cv = get_cb (callback); \
634	\
635	Newz (0, req, 1, eio_req); \
636	if (!req) \
637	croak ("out of memory during eio_req allocation"); \
638	\
639	req->callback = SvREFCNT_inc (cb_cv); \
640	req->pri = req_pri
641		844
642	#define REQ_SEND \	845	#define REQ_SEND \
643	PUTBACK; \	846	PUTBACK; \
644	req_submit (req); \	847	req_submit (req); \
645	SPAGAIN; \	848	SPAGAIN; \
646	\	849	\
647	if (GIMME_V != G_VOID) \	850	if (GIMME_V != G_VOID) \
648	XPUSHs (req_sv (req, aio_req_stash));	851	XPUSHs (req_sv (req, aio_req_stash));
		852
		853	ecb_inline void
		854	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		855	{
		856	if (expect_false (SvROK (path)))
		857	{
		858	SV *rv = SvRV (path);
		859	SV *wdob;
		860
		861	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		862	{
		863	path = AvARRAY (rv)[1];
		864	wdob = AvARRAY (rv)[0];
		865
		866	if (SvOK (wdob))
		867	{
		868	*wd = SvAIO_WD (wdob);
		869	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		870	}
		871	else
		872	*wd = EIO_INVALID_WD;
		873	}
		874	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		875	{
		876	*wd = (aio_wd)(long)SvIVX (rv);
		877	*wdsv = SvREFCNT_inc_NN (rv);
		878	*ptr = ".";
		879	return; /* path set to "." */
		880	}
		881	else
		882	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		883	}
		884
		885	*pathsv = newSVsv (path);
		886	*ptr = SvPVbyte_nolen (*pathsv);
		887	}
		888
		889	static void ecb_noinline
		890	req_set_path1 (aio_req req, SV *path)
		891	{
		892	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		893	}
		894
		895	static void ecb_noinline
		896	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		897	{
		898	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		899
		900	switch (SvTYPE (rv))
		901	{
		902	case SVt_PVIO:
		903	case SVt_PVLV:
		904	case SVt_PVGV:
		905	req->type = type_fh;
		906	req->sv1 = newSVsv (fh_or_path);
		907	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		908	break;
		909
		910	default:
		911	req->type = type_path;
		912	req_set_path1 (req, fh_or_path);
		913	break;
		914	}
		915	}
		916
		917	XS(boot_IO__AIO) ecb_cold;
649		918
650	MODULE = IO::AIO PACKAGE = IO::AIO	919	MODULE = IO::AIO PACKAGE = IO::AIO
651		920
652	PROTOTYPES: ENABLE	921	PROTOTYPES: ENABLE
653		922
…		…
662	# define const_eio(name) { # name, (IV) EIO_ ## name },	931	# define const_eio(name) { # name, (IV) EIO_ ## name },
663	const_iv (EXDEV)	932	const_iv (EXDEV)
664	const_iv (ENOSYS)	933	const_iv (ENOSYS)
665	const_iv (O_RDONLY)	934	const_iv (O_RDONLY)
666	const_iv (O_WRONLY)	935	const_iv (O_WRONLY)
		936	const_iv (O_RDWR)
667	const_iv (O_CREAT)	937	const_iv (O_CREAT)
668	const_iv (O_TRUNC)	938	const_iv (O_TRUNC)
669	#ifndef _WIN32	939	const_iv (O_EXCL)
		940	const_iv (O_APPEND)
		941
		942	const_iv (O_ASYNC)
		943	const_iv (O_DIRECT)
		944	const_iv (O_NOATIME)
		945
		946	const_iv (O_CLOEXEC)
		947	const_iv (O_NOCTTY)
		948	const_iv (O_NOFOLLOW)
		949	const_iv (O_NONBLOCK)
		950	const_iv (O_EXEC)
		951	const_iv (O_SEARCH)
		952	const_iv (O_DIRECTORY)
		953	const_iv (O_DSYNC)
		954	const_iv (O_RSYNC)
		955	const_iv (O_SYNC)
		956	const_iv (O_TTY_INIT)
		957
670	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
671	#endif	959	const_iv (S_IFCHR)
		960	const_iv (S_IFBLK)
		961	const_iv (S_IFLNK)
		962	const_iv (S_IFREG)
		963	const_iv (S_IFDIR)
		964	const_iv (S_IFWHT)
		965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
		967
672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	968	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	969	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	970	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	971	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	972	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	973	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		974
		975	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		976	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		977	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		978	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		979	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678		980
679	const_iv (ST_RDONLY)	981	const_iv (ST_RDONLY)
680	const_iv (ST_NOSUID)	982	const_iv (ST_NOSUID)
681	const_iv (ST_NODEV)	983	const_iv (ST_NODEV)
682	const_iv (ST_NOEXEC)	984	const_iv (ST_NOEXEC)
…		…
687	const_iv (ST_IMMUTABLE)	989	const_iv (ST_IMMUTABLE)
688	const_iv (ST_NOATIME)	990	const_iv (ST_NOATIME)
689	const_iv (ST_NODIRATIME)	991	const_iv (ST_NODIRATIME)
690	const_iv (ST_RELATIME)	992	const_iv (ST_RELATIME)
691		993
		994	const_iv (PROT_NONE)
692	const_iv (PROT_EXEC)	995	const_iv (PROT_EXEC)
693	const_iv (PROT_NONE)
694	const_iv (PROT_READ)	996	const_iv (PROT_READ)
695	const_iv (PROT_WRITE)	997	const_iv (PROT_WRITE)
696		998
697	/*const_iv (MAP_FIXED)*/	999	/*const_iv (MAP_FIXED)*/
698	const_iv (MAP_PRIVATE)	1000	const_iv (MAP_PRIVATE)
…		…
704	const_iv (MAP_LOCKED)	1006	const_iv (MAP_LOCKED)
705	const_iv (MAP_NORESERVE)	1007	const_iv (MAP_NORESERVE)
706	const_iv (MAP_POPULATE)	1008	const_iv (MAP_POPULATE)
707	const_iv (MAP_NONBLOCK)	1009	const_iv (MAP_NONBLOCK)
708		1010
		1011	const_eio (SEEK_SET)
		1012	const_eio (SEEK_CUR)
		1013	const_eio (SEEK_END)
		1014
709	const_iv (MCL_FUTURE)	1015	const_eio (MCL_FUTURE)
710	const_iv (MCL_CURRENT)	1016	const_eio (MCL_CURRENT)
711		1017
712	const_eio (MS_ASYNC)	1018	const_eio (MS_ASYNC)
713	const_eio (MS_INVALIDATE)	1019	const_eio (MS_INVALIDATE)
714	const_eio (MS_SYNC)	1020	const_eio (MS_SYNC)
715		1021
716	const_eio (MT_MODIFY)	1022	const_eio (MT_MODIFY)
717		1023
718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1024	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719	const_eio (SYNC_FILE_RANGE_WRITE)	1025	const_eio (SYNC_FILE_RANGE_WRITE)
720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1026	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1027
		1028	const_eio (FALLOC_FL_KEEP_SIZE)
721		1029
722	const_eio (READDIR_DENTS)	1030	const_eio (READDIR_DENTS)
723	const_eio (READDIR_DIRS_FIRST)	1031	const_eio (READDIR_DIRS_FIRST)
724	const_eio (READDIR_STAT_ORDER)	1032	const_eio (READDIR_STAT_ORDER)
725	const_eio (READDIR_FOUND_UNKNOWN)	1033	const_eio (READDIR_FOUND_UNKNOWN)
…		…
736	};	1044	};
737		1045
738	aio_stash = gv_stashpv ("IO::AIO" , 1);	1046	aio_stash = gv_stashpv ("IO::AIO" , 1);
739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1047	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1048	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1049	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741		1050
742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1051	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1052	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744		1053
745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1054	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746		1055
747	create_respipe ();	1056	reinit ();
748
749	if (eio_init (want_poll, done_poll) < 0)
750	croak ("IO::AIO: unable to initialise eio library");
751
752	/* atfork child called in fifo order, so before eio's handler */
753	X_THREAD_ATFORK (0, 0, atfork_child);
754	}	1057	}
755		1058
756	void	1059	void
		1060	reinit ()
		1061	PROTOTYPE:
		1062
		1063	void
757	max_poll_reqs (int nreqs)	1064	max_poll_reqs (unsigned int nreqs)
758	PROTOTYPE: $	1065	PROTOTYPE: $
759	CODE:	1066	CODE:
760	eio_set_max_poll_reqs (nreqs);	1067	eio_set_max_poll_reqs (nreqs);
761		1068
762	void	1069	void
…		…
764	PROTOTYPE: $	1071	PROTOTYPE: $
765	CODE:	1072	CODE:
766	eio_set_max_poll_time (nseconds);	1073	eio_set_max_poll_time (nseconds);
767		1074
768	void	1075	void
769	min_parallel (int nthreads)	1076	min_parallel (unsigned int nthreads)
770	PROTOTYPE: $	1077	PROTOTYPE: $
771	CODE:	1078	CODE:
772	eio_set_min_parallel (nthreads);	1079	eio_set_min_parallel (nthreads);
773		1080
774	void	1081	void
775	max_parallel (int nthreads)	1082	max_parallel (unsigned int nthreads)
776	PROTOTYPE: $	1083	PROTOTYPE: $
777	CODE:	1084	CODE:
778	eio_set_max_parallel (nthreads);	1085	eio_set_max_parallel (nthreads);
779		1086
780	void	1087	void
781	max_idle (int nthreads)	1088	max_idle (unsigned int nthreads)
782	PROTOTYPE: $	1089	PROTOTYPE: $
783	CODE:	1090	CODE:
784	eio_set_max_idle (nthreads);	1091	eio_set_max_idle (nthreads);
785		1092
786	void	1093	void
		1094	idle_timeout (unsigned int seconds)
		1095	PROTOTYPE: $
		1096	CODE:
		1097	eio_set_idle_timeout (seconds);
		1098
		1099	void
787	max_outstanding (int maxreqs)	1100	max_outstanding (unsigned int maxreqs)
788	PROTOTYPE: $	1101	PROTOTYPE: $
789	CODE:	1102	CODE:
790	max_outstanding = maxreqs;	1103	max_outstanding = maxreqs;
791		1104
792	void	1105	void
		1106	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1107	PPCODE:
		1108	{
		1109	dREQ;
		1110
		1111	req->type = EIO_WD_OPEN;
		1112	req_set_path1 (req, pathname);
		1113
		1114	REQ_SEND;
		1115	}
		1116
		1117	void
793	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794	PROTOTYPE: $$$;$
795	PPCODE:	1119	PPCODE:
796	{	1120	{
797	dREQ;	1121	dREQ;
798		1122
799	req->type = EIO_OPEN;	1123	req->type = EIO_OPEN;
800	req->sv1 = newSVsv (pathname);	1124	req_set_path1 (req, pathname);
801	req->ptr1 = SvPVbyte_nolen (req->sv1);
802	req->int1 = flags;	1125	req->int1 = flags;
803	req->int2 = mode;	1126	req->int2 = mode;
804		1127
805	REQ_SEND;	1128	REQ_SEND;
806	}	1129	}
807		1130
808	void	1131	void
809	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1132	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810	PROTOTYPE: $;$
811	ALIAS:	1133	ALIAS:
812	aio_fsync = EIO_FSYNC	1134	aio_fsync = EIO_FSYNC
813	aio_fdatasync = EIO_FDATASYNC	1135	aio_fdatasync = EIO_FDATASYNC
		1136	aio_syncfs = EIO_SYNCFS
814	PPCODE:	1137	PPCODE:
815	{	1138	{
816	int fd = s_fileno_croak (fh, 0);	1139	int fd = s_fileno_croak (fh, 0);
817	dREQ;	1140	dREQ;
818		1141
819	req->type = ix;	1142	req->type = ix;
820	req->sv1 = newSVsv (fh);	1143	req->sv1 = newSVsv (fh);
821	req->int1 = fd;	1144	req->int1 = fd;
822		1145
823	REQ_SEND (req);	1146	REQ_SEND;
824	}	1147	}
825		1148
826	void	1149	void
827	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1150	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828	PROTOTYPE: $$$$;$
829	PPCODE:	1151	PPCODE:
830	{	1152	{
831	int fd = s_fileno_croak (fh, 0);	1153	int fd = s_fileno_croak (fh, 0);
832	dREQ;	1154	dREQ;
833		1155
…		…
836	req->int1 = fd;	1158	req->int1 = fd;
837	req->offs = offset;	1159	req->offs = offset;
838	req->size = nbytes;	1160	req->size = nbytes;
839	req->int2 = flags;	1161	req->int2 = flags;
840		1162
841	REQ_SEND (req);	1163	REQ_SEND;
842	}	1164	}
843		1165
844	void	1166	void
845	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1167	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
846	PROTOTYPE: $;$
847	PPCODE:	1168	PPCODE:
848	{	1169	{
849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850	int fd = s_fileno_croak (fh, 0);	1170	int fd = s_fileno_croak (fh, 0);
851	dREQ;	1171	dREQ;
852		1172
853	if (close_pipe < 0)	1173	req->type = EIO_FALLOCATE;
		1174	req->sv1 = newSVsv (fh);
		1175	req->int1 = fd;
		1176	req->int2 = mode;
		1177	req->offs = offset;
		1178	req->size = len;
		1179
		1180	REQ_SEND;
		1181	}
		1182
		1183	void
		1184	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1185	PPCODE:
		1186	{
		1187	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1188	int fd = s_fileno_croak (fh, 0);
		1189	dREQ;
		1190
		1191	if (expect_false (close_fd < 0))
854	{	1192	{
855	int pipefd [2];	1193	int pipefd [2];
856		1194
		1195	if (
		1196	#ifdef _WIN32
		1197	_pipe (pipefd, 1, _O_BINARY) < 0
		1198	#else
857	if (pipe (pipefd) < 0	1199	pipe (pipefd) < 0
858	|| close (pipefd [1]) < 0
859	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1200	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1201	#endif
		1202	|| close (pipefd [1]) < 0
		1203	)
860	abort (); /*D*/	1204	abort (); /*D*/
861		1205
862	close_pipe = pipefd [0];	1206	close_fd = pipefd [0];
863	}	1207	}
864		1208
865	req->type = EIO_DUP2;	1209	req->type = EIO_DUP2;
866	req->int1 = close_pipe;	1210	req->int1 = close_fd;
867	req->sv2 = newSVsv (fh);	1211	req->sv2 = newSVsv (fh);
868	req->int2 = fd;	1212	req->int2 = fd;
869		1213
870	REQ_SEND (req);	1214	REQ_SEND;
		1215	}
		1216
		1217	void
		1218	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1219	PPCODE:
		1220	{
		1221	STRLEN svlen;
		1222	int fd = s_fileno_croak (fh, 0);
		1223	dREQ;
		1224
		1225	req->type = EIO_SEEK;
		1226	req->sv1 = newSVsv (fh);
		1227	req->int1 = fd;
		1228	req->offs = SvVAL64 (offset);
		1229	req->int2 = whence;
		1230
		1231	REQ_SEND;
871	}	1232	}
872		1233
873	void	1234	void
874	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1235	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875	ALIAS:	1236	ALIAS:
876	aio_read = EIO_READ	1237	aio_read = EIO_READ
877	aio_write = EIO_WRITE	1238	aio_write = EIO_WRITE
878	PROTOTYPE: $$$$$;$
879	PPCODE:	1239	PPCODE:
880	{	1240	{
881	STRLEN svlen;	1241	STRLEN svlen;
882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1242	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883	char *svptr = SvPVbyte (data, svlen);	1243	char *svptr = SvPVbyte (data, svlen);
…		…
923	REQ_SEND;	1283	REQ_SEND;
924	}	1284	}
925	}	1285	}
926		1286
927	void	1287	void
928	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1288	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
929	PROTOTYPE: $$;$	1289	ALIAS:
		1290	aio_readlink = EIO_READLINK
		1291	aio_realpath = EIO_REALPATH
930	PPCODE:	1292	PPCODE:
931	{	1293	{
932	SV *data;
933	dREQ;	1294	dREQ;
934		1295
935	req->type = EIO_READLINK;	1296	req->type = ix;
936	req->sv1 = newSVsv (path);	1297	req_set_path1 (req, pathname);
937	req->ptr1 = SvPVbyte_nolen (req->sv1);
938		1298
939	REQ_SEND;	1299	REQ_SEND;
940	}	1300	}
941		1301
942	void	1302	void
943	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1303	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944	PROTOTYPE: $$$$;$
945	PPCODE:	1304	PPCODE:
946	{	1305	{
947	int ifd = s_fileno_croak (in_fh , 0);	1306	int ifd = s_fileno_croak (in_fh , 0);
948	int ofd = s_fileno_croak (out_fh, 1);	1307	int ofd = s_fileno_croak (out_fh, 1);
949	dREQ;	1308	dREQ;
…		…
959	REQ_SEND;	1318	REQ_SEND;
960	}	1319	}
961		1320
962	void	1321	void
963	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1322	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964	PROTOTYPE: $$$;$
965	PPCODE:	1323	PPCODE:
966	{	1324	{
967	int fd = s_fileno_croak (fh, 0);	1325	int fd = s_fileno_croak (fh, 0);
968	dREQ;	1326	dREQ;
969		1327
…		…
984	aio_statvfs = EIO_STATVFS	1342	aio_statvfs = EIO_STATVFS
985	PPCODE:	1343	PPCODE:
986	{	1344	{
987	dREQ;	1345	dREQ;
988		1346
989	req->sv1 = newSVsv (fh_or_path);	1347	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991	if (SvPOK (req->sv1))
992	{
993	req->type = ix;
994	req->ptr1 = SvPVbyte_nolen (req->sv1);
995	}
996	else
997	{
998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000	}
1001		1348
1002	REQ_SEND;	1349	REQ_SEND;
1003	}	1350	}
		1351
		1352	UV
		1353	major (UV dev)
		1354	ALIAS:
		1355	minor = 1
		1356	CODE:
		1357	RETVAL = ix ? major (dev) : minor (dev);
		1358	OUTPUT:
		1359	RETVAL
		1360
		1361	UV
		1362	makedev (UV maj, UV min)
		1363	CODE:
		1364	RETVAL = makedev (maj, min);
		1365	OUTPUT:
		1366	RETVAL
1004		1367
1005	void	1368	void
1006	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1369	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007	PPCODE:	1370	PPCODE:
1008	{	1371	{
1009	dREQ;	1372	dREQ;
1010		1373
1011	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1374	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1375	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013	req->sv1 = newSVsv (fh_or_path);	1376	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015	if (SvPOK (req->sv1))
1016	{
1017	req->type = EIO_UTIME;
1018	req->ptr1 = SvPVbyte_nolen (req->sv1);
1019	}
1020	else
1021	{
1022	req->type = EIO_FUTIME;
1023	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024	}
1025		1377
1026	REQ_SEND;	1378	REQ_SEND;
1027	}	1379	}
1028		1380
1029	void	1381	void
1030	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1382	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1031	PPCODE:	1383	PPCODE:
1032	{	1384	{
1033	dREQ;	1385	dREQ;
1034		1386
1035	req->sv1 = newSVsv (fh_or_path);
1036	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1387	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037		1388	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_TRUNCATE;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FTRUNCATE;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1389
1049	REQ_SEND;	1390	REQ_SEND;
1050	}	1391	}
1051		1392
1052	void	1393	void
1053	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1394	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1054	ALIAS:
1055	aio_chmod = EIO_CHMOD
1056	aio_mkdir = EIO_MKDIR
1057	PPCODE:	1395	PPCODE:
1058	{	1396	{
1059	dREQ;	1397	dREQ;
1060		1398
1061	req->int2 = mode;	1399	req->int2 = mode;
1062	req->sv1 = newSVsv (fh_or_path);	1400	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064	if (SvPOK (req->sv1))
1065	{
1066	req->type = ix;
1067	req->ptr1 = SvPVbyte_nolen (req->sv1);
1068	}
1069	else
1070	{
1071	req->type = EIO_FCHMOD;
1072	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073	}
1074		1401
1075	REQ_SEND;	1402	REQ_SEND;
1076	}	1403	}
1077		1404
1078	void	1405	void
…		…
1081	{	1408	{
1082	dREQ;	1409	dREQ;
1083		1410
1084	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1411	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1412	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086	req->sv1 = newSVsv (fh_or_path);	1413	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088	if (SvPOK (req->sv1))
1089	{
1090	req->type = EIO_CHOWN;
1091	req->ptr1 = SvPVbyte_nolen (req->sv1);
1092	}
1093	else
1094	{
1095	req->type = EIO_FCHOWN;
1096	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097	}
1098		1414
1099	REQ_SEND;	1415	REQ_SEND;
1100	}	1416	}
1101		1417
1102	void	1418	void
…		…
1104	PPCODE:	1420	PPCODE:
1105	{	1421	{
1106	dREQ;	1422	dREQ;
1107		1423
1108	req->type = EIO_READDIR;	1424	req->type = EIO_READDIR;
1109	req->sv1 = newSVsv (pathname);
1110	req->ptr1 = SvPVbyte_nolen (req->sv1);
1111	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1425	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112		1426
1113	if (flags & EIO_READDIR_DENTS)	1427	if (flags & EIO_READDIR_DENTS)
1114	req->int1 |= EIO_READDIR_CUSTOM2;	1428	req->int1 |= EIO_READDIR_CUSTOM2;
1115		1429
		1430	req_set_path1 (req, pathname);
		1431
1116	REQ_SEND;	1432	REQ_SEND;
		1433	}
		1434
		1435	void
		1436	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1437	PPCODE:
		1438	{
		1439	dREQ;
		1440
		1441	req->type = EIO_MKDIR;
		1442	req->int2 = mode;
		1443	req_set_path1 (req, pathname);
		1444
		1445	REQ_SEND;
1117	}	1446	}
1118		1447
1119	void	1448	void
1120	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1449	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1121	ALIAS:	1450	ALIAS:
…		…
1125	PPCODE:	1454	PPCODE:
1126	{	1455	{
1127	dREQ;	1456	dREQ;
1128		1457
1129	req->type = ix;	1458	req->type = ix;
1130	req->sv1 = newSVsv (pathname);	1459	req_set_path1 (req, pathname);
1131	req->ptr1 = SvPVbyte_nolen (req->sv1);
1132		1460
1133	REQ_SEND;	1461	REQ_SEND;
1134	}	1462	}
1135		1463
1136	void	1464	void
…		…
1139	aio_link = EIO_LINK	1467	aio_link = EIO_LINK
1140	aio_symlink = EIO_SYMLINK	1468	aio_symlink = EIO_SYMLINK
1141	aio_rename = EIO_RENAME	1469	aio_rename = EIO_RENAME
1142	PPCODE:	1470	PPCODE:
1143	{	1471	{
		1472	eio_wd wd2 = 0;
1144	dREQ;	1473	dREQ;
1145		1474
1146	req->type = ix;	1475	req->type = ix;
1147	req->sv1 = newSVsv (oldpath);	1476	req_set_path1 (req, oldpath);
1148	req->ptr1 = SvPVbyte_nolen (req->sv1);	1477	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149	req->sv2 = newSVsv (newpath);	1478	req->int3 = (long)wd2;
1150	req->ptr2 = SvPVbyte_nolen (req->sv2);
1151		1479
1152	REQ_SEND;	1480	REQ_SEND;
1153	}	1481	}
1154		1482
1155	void	1483	void
…		…
1157	PPCODE:	1485	PPCODE:
1158	{	1486	{
1159	dREQ;	1487	dREQ;
1160		1488
1161	req->type = EIO_MKNOD;	1489	req->type = EIO_MKNOD;
1162	req->sv1 = newSVsv (pathname);
1163	req->ptr1 = SvPVbyte_nolen (req->sv1);
1164	req->int2 = (mode_t)mode;	1490	req->int2 = (mode_t)mode;
1165	req->offs = dev;	1491	req->offs = dev;
		1492	req_set_path1 (req, pathname);
1166		1493
1167	REQ_SEND;	1494	REQ_SEND;
1168	}	1495	}
1169		1496
1170	void	1497	void
1171	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1498	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172	ALIAS:	1499	ALIAS:
1173	aio_mtouch = EIO_MTOUCH	1500	aio_mtouch = EIO_MTOUCH
1174	aio_msync = EIO_MSYNC	1501	aio_msync = EIO_MSYNC
1175	PROTOTYPE: $$$$;$
1176	PPCODE:	1502	PPCODE:
1177	{	1503	{
1178	STRLEN svlen;	1504	STRLEN svlen;
		1505	char *svptr = SvPVbyte (data, svlen);
1179	UV len = SvUV (length);	1506	UV len = SvUV (length);
1180	char *svptr = SvPVbyte (data, svlen);
1181		1507
1182	if (offset < 0)	1508	if (offset < 0)
1183	offset += svlen;	1509	offset += svlen;
1184		1510
1185	if (offset < 0 || offset > svlen)	1511	if (offset < 0 || offset > svlen)
…		…
1190		1516
1191	{	1517	{
1192	dREQ;	1518	dREQ;
1193		1519
1194	req->type = ix;	1520	req->type = ix;
1195	req->size = len;
1196	req->sv2 = SvREFCNT_inc (data);	1521	req->sv2 = SvREFCNT_inc (data);
1197	req->ptr2 = (char *)svptr + offset;	1522	req->ptr2 = (char *)svptr + offset;
		1523	req->size = len;
1198	req->int1 = flags;	1524	req->int1 = flags;
1199		1525
1200	REQ_SEND;	1526	REQ_SEND;
1201	}	1527	}
1202	}	1528	}
1203		1529
1204	void	1530	void
		1531	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1532	PPCODE:
		1533	{
		1534	STRLEN svlen;
		1535	char *svptr = SvPVbyte (data, svlen);
		1536	UV len = SvUV (length);
		1537
		1538	if (offset < 0)
		1539	offset += svlen;
		1540
		1541	if (offset < 0 || offset > svlen)
		1542	croak ("offset outside of scalar");
		1543
		1544	if (!SvOK (length) || len + offset > svlen)
		1545	len = svlen - offset;
		1546
		1547	{
		1548	dREQ;
		1549
		1550	req->type = EIO_MLOCK;
		1551	req->sv2 = SvREFCNT_inc (data);
		1552	req->ptr2 = (char *)svptr + offset;
		1553	req->size = len;
		1554
		1555	REQ_SEND;
		1556	}
		1557	}
		1558
		1559	void
		1560	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1561	PPCODE:
		1562	{
		1563	dREQ;
		1564
		1565	req->type = EIO_MLOCKALL;
		1566	req->int1 = flags;
		1567
		1568	REQ_SEND;
		1569	}
		1570
		1571	void
1205	aio_busy (double delay, SV *callback=&PL_sv_undef)	1572	aio_busy (double delay, SV *callback=&PL_sv_undef)
1206	PPCODE:	1573	PPCODE:
1207	{	1574	{
1208	dREQ;	1575	dREQ;
1209		1576
…		…
1213	REQ_SEND;	1580	REQ_SEND;
1214	}	1581	}
1215		1582
1216	void	1583	void
1217	aio_group (SV *callback=&PL_sv_undef)	1584	aio_group (SV *callback=&PL_sv_undef)
1218	PROTOTYPE: ;$
1219	PPCODE:	1585	PPCODE:
1220	{	1586	{
1221	dREQ;	1587	dREQ;
1222		1588
1223	req->type = EIO_GROUP;	1589	req->type = EIO_GROUP;
…		…
1240	REQ_SEND;	1606	REQ_SEND;
1241	}	1607	}
1242		1608
1243	int	1609	int
1244	aioreq_pri (int pri = 0)	1610	aioreq_pri (int pri = 0)
1245	PROTOTYPE: ;$
1246	CODE:	1611	CODE:
1247	RETVAL = next_pri;	1612	RETVAL = next_pri;
1248	if (items > 0)	1613	if (items > 0)
1249	{	1614	{
1250	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1615	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1262	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1627	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263	next_pri = nice;	1628	next_pri = nice;
1264		1629
1265	void	1630	void
1266	flush ()	1631	flush ()
1267	PROTOTYPE:
1268	CODE:	1632	CODE:
1269	while (eio_nreqs ())	1633	while (eio_nreqs ())
1270	{	1634	{
1271	poll_wait ();	1635	poll_wait ();
1272	poll_cb ();	1636	poll_cb ();
1273	}	1637	}
1274		1638
1275	int	1639	int
1276	poll()	1640	poll ()
1277	PROTOTYPE:
1278	CODE:	1641	CODE:
1279	poll_wait ();	1642	poll_wait ();
1280	RETVAL = poll_cb ();	1643	RETVAL = poll_cb ();
1281	OUTPUT:	1644	OUTPUT:
1282	RETVAL	1645	RETVAL
1283		1646
1284	int	1647	int
1285	poll_fileno()	1648	poll_fileno ()
1286	PROTOTYPE:
1287	CODE:	1649	CODE:
1288	RETVAL = s_epipe_fd (&respipe);	1650	RETVAL = s_epipe_fd (&respipe);
1289	OUTPUT:	1651	OUTPUT:
1290	RETVAL	1652	RETVAL
1291		1653
1292	int	1654	int
1293	poll_cb(...)	1655	poll_cb (...)
1294	PROTOTYPE:	1656	PROTOTYPE:
1295	CODE:	1657	CODE:
1296	RETVAL = poll_cb ();	1658	RETVAL = poll_cb ();
1297	OUTPUT:	1659	OUTPUT:
1298	RETVAL	1660	RETVAL
1299		1661
1300	void	1662	void
1301	poll_wait()	1663	poll_wait ()
1302	PROTOTYPE:
1303	CODE:	1664	CODE:
1304	poll_wait ();	1665	poll_wait ();
1305		1666
1306	int	1667	int
1307	nreqs()	1668	nreqs ()
1308	PROTOTYPE:
1309	CODE:	1669	CODE:
1310	RETVAL = eio_nreqs ();	1670	RETVAL = eio_nreqs ();
1311	OUTPUT:	1671	OUTPUT:
1312	RETVAL	1672	RETVAL
1313		1673
1314	int	1674	int
1315	nready()	1675	nready ()
1316	PROTOTYPE:
1317	CODE:	1676	CODE:
1318	RETVAL = eio_nready ();	1677	RETVAL = eio_nready ();
1319	OUTPUT:	1678	OUTPUT:
1320	RETVAL	1679	RETVAL
1321		1680
1322	int	1681	int
1323	npending()	1682	npending ()
1324	PROTOTYPE:
1325	CODE:	1683	CODE:
1326	RETVAL = eio_npending ();	1684	RETVAL = eio_npending ();
1327	OUTPUT:	1685	OUTPUT:
1328	RETVAL	1686	RETVAL
1329		1687
1330	int	1688	int
1331	nthreads()	1689	nthreads ()
1332	PROTOTYPE:
1333	CODE:	1690	CODE:
1334	RETVAL = eio_nthreads ();	1691	RETVAL = eio_nthreads ();
1335	OUTPUT:	1692	OUTPUT:
1336	RETVAL	1693	RETVAL
1337		1694
1338	int	1695	int
1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1696	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340	PROTOTYPE: $$$$
1341	CODE:	1697	CODE:
1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343	RETVAL = posix_fadvise (fh, offset, length, advice);	1698	RETVAL = posix_fadvise (fh, offset, length, advice);
1344	#else
1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346	#endif
1347	OUTPUT:	1699	OUTPUT:
1348	RETVAL	1700	RETVAL
1349		1701
1350	ssize_t	1702	IV
1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1703	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352	PROTOTYPE: $$$$
1353	CODE:	1704	CODE:
1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1705	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355	OUTPUT:	1706	OUTPUT:
1356	RETVAL	1707	RETVAL
1357		1708
1358	void	1709	void
1359	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1710	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360	PROTOTYPE: $$$$$;$
1361	PPCODE:	1711	PPCODE:
1362	sv_unmagic (scalar, MMAP_MAGIC);	1712	sv_unmagic (scalar, MMAP_MAGIC);
1363	{	1713	{
1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1714	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1715	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366	if (addr == (void *)-1)	1716	if (addr == (void *)-1)
1367	XSRETURN_NO;	1717	XSRETURN_NO;
1368		1718
		1719	sv_force_normal (scalar);
		1720
1369	/* we store the length in mg_obj, as namlen is I32 :/ */	1721	/* we store the length in mg_obj, as namlen is I32 :/ */
1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1722	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371	->mg_obj = (SV *)length;	1723	->mg_obj = (SV *)length;
1372		1724
1373	SvUPGRADE (scalar, SVt_PV); /* nop... */	1725	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1726
1374	if (!(prot & PROT_WRITE))	1727	if (!(prot & PROT_WRITE))
1375	SvREADONLY_on (scalar);	1728	SvREADONLY_on (scalar);
		1729
		1730	if (SvLEN (scalar))
		1731	Safefree (SvPVX (scalar));
1376		1732
1377	SvPVX (scalar) = (char *)addr;	1733	SvPVX (scalar) = (char *)addr;
1378	SvCUR_set (scalar, length);	1734	SvCUR_set (scalar, length);
1379	SvLEN_set (scalar, 0);	1735	SvLEN_set (scalar, 0);
1380	SvPOK_only (scalar);	1736	SvPOK_only (scalar);
…		…
1382	XSRETURN_YES;	1738	XSRETURN_YES;
1383	}	1739	}
1384		1740
1385	void	1741	void
1386	munmap (SV *scalar)	1742	munmap (SV *scalar)
1387	PROTOTYPE: $
1388	CODE:	1743	CODE:
1389	sv_unmagic (scalar, MMAP_MAGIC);	1744	sv_unmagic (scalar, MMAP_MAGIC);
1390		1745
1391	int	1746	int
1392	mlockall (int flags)	1747	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393	PROTOTYPE: $	1748	ALIAS:
		1749	mprotect = 1
1394	CODE:	1750	CODE:
		1751	{
		1752	STRLEN svlen;
		1753	void *addr = SvPVbyte (scalar, svlen);
		1754	size_t len = SvUV (length);
		1755
		1756	if (offset < 0)
		1757	offset += svlen;
		1758
		1759	if (offset < 0 || offset > svlen)
		1760	croak ("offset outside of scalar");
		1761
		1762	if (!SvOK (length) || len + offset > svlen)
		1763	len = svlen - offset;
		1764
		1765	addr = (void *)(((intptr_t)addr) + offset);
		1766	eio_page_align (&addr, &len);
		1767
		1768	switch (ix)
		1769	{
		1770	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1771	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1772	}
		1773	}
		1774	OUTPUT:
		1775	RETVAL
		1776
		1777	int
		1778	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1779	CODE:
		1780	{
		1781	STRLEN svlen;
		1782	void *addr = SvPVbyte (scalar, svlen);
		1783	size_t len = SvUV (length);
		1784
		1785	if (offset < 0)
		1786	offset += svlen;
		1787
		1788	if (offset < 0 || offset > svlen)
		1789	croak ("offset outside of scalar");
		1790
		1791	if (!SvOK (length) || len + offset > svlen)
		1792	len = svlen - offset;
		1793
		1794	addr = (void *)(((intptr_t)addr) + offset);
		1795	eio_page_align (&addr, &len);
1395	#if _POSIX_MEMLOCK	1796	#if _POSIX_MEMLOCK_RANGE
1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1797	RETVAL = munlock (addr, len);
1397	extern int mallopt (int, int);
1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399	#endif
1400	mlockall (flags);
1401	#else	1798	#else
1402	RETVAL = -1;	1799	RETVAL = ((errno = ENOSYS), -1);
1403	errno = ENOSYS;
1404	#endif	1800	#endif
		1801	}
1405	OUTPUT:	1802	OUTPUT:
1406	RETVAL	1803	RETVAL
1407		1804
1408	int	1805	int
1409	munlockall ()	1806	munlockall ()
1410	PROTOTYPE:
1411	CODE:	1807	CODE:
1412	#if _POSIX_MEMLOCK	1808	#if _POSIX_MEMLOCK
1413	munlockall ();	1809	munlockall ();
1414	#else	1810	#else
1415	RETVAL = -1;	1811	RETVAL = -1;
…		…
1423	SvREFCNT_dec (on_next_submit);	1819	SvREFCNT_dec (on_next_submit);
1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1820	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425		1821
1426	PROTOTYPES: DISABLE	1822	PROTOTYPES: DISABLE
1427		1823
		1824	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1825
		1826	BOOT:
		1827	{
		1828	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1829	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1830	}
		1831
		1832	void
		1833	DESTROY (SV *self)
		1834	CODE:
		1835	{
		1836	aio_wd wd = SvAIO_WD (self);
		1837	#if HAVE_AT
		1838	{
		1839	SV *callback = &PL_sv_undef;
		1840	dREQ; /* clobbers next_pri :/ */
		1841	next_pri = req->pri; /* restore next_pri */
		1842	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1843	req->type = EIO_WD_CLOSE;
		1844	req->wd = wd;
		1845	REQ_SEND;
		1846	}
		1847	#else
		1848	eio_wd_close_sync (wd);
		1849	#endif
		1850	}
		1851
1428	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1852	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429		1853
1430	void	1854	void
1431	cancel (aio_req_ornot req)	1855	cancel (aio_req_ornot req)
1432	CODE:	1856	CODE:

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