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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 1.208 by root, Sat Jan 7 18:42:43 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);
480	break;	641	break;
481		642
482	case EIO_READ:	643	case EIO_READ:
483	{	644	{
484	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	645	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485	*SvEND (req->sv2) = 0;	646	*SvEND (req->sv2) = 0;
486	SvPOK_only (req->sv2);	647	SvPOK_only (req->sv2);
487	SvSETMAGIC (req->sv2);	648	SvSETMAGIC (req->sv2);
488	PUSHs (sv_2mortal (newSViv (req->result)));	649	PUSHs (sv_result);
489	}	650	}
490	break;	651	break;
491		652
492	case EIO_DUP2:	653	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493	if (req->result > 0)	654	if (req->result > 0)
494	req->result = 0;	655	SvIV_set (sv_result, 0);
495	/* FALLTHROUGH */	656	/* FALLTHROUGH */
496		657
497	default:	658	default:
498	PUSHs (sv_2mortal (newSViv (req->result)));	659	PUSHs (sv_result);
499	break;	660	break;
500	}	661	}
501		662
502	errno = req->errorno;	663	errno = req->errorno;
503		664
504	PUTBACK;	665	PUTBACK;
505	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	666	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506	SPAGAIN;	667	SPAGAIN;
507		668
		669	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		670	SvREFCNT_dec (sv_result);
		671	else
		672	sv_result_cache = sv_result;
		673
508	FREETMPS;	674	FREETMPS;
509	LEAVE;	675	LEAVE;
510		676
511	PUTBACK;	677	PUTBACK;
512	}	678	}
513		679
514	return !!SvTRUE (ERRSV);	680	return !!SvTRUE (ERRSV);
515	}	681	}
516		682
		683	static void
517	static void req_destroy (aio_req req)	684	req_destroy (aio_req req)
518	{	685	{
519	if (req->self)	686	if (req->self)
520	{	687	{
521	sv_unmagic (req->self, PERL_MAGIC_ext);	688	sv_unmagic (req->self, PERL_MAGIC_ext);
522	SvREFCNT_dec (req->self);	689	SvREFCNT_dec (req->self);
523	}	690	}
524		691
525	SvREFCNT_dec (req->sv1);	692	SvREFCNT_dec (req->sv1);
526	SvREFCNT_dec (req->sv2);	693	SvREFCNT_dec (req->sv2);
		694	SvREFCNT_dec (req->sv3);
		695	SvREFCNT_dec (req->sv4);
527	SvREFCNT_dec (req->callback);	696	SvREFCNT_dec (req->callback);
528		697
529	Safefree (req);	698	free (req);
530	}	699	}
531		700
		701	static void
532	static void req_cancel_subs (aio_req grp)	702	req_cancel_subs (aio_req grp)
533	{	703	{
534	aio_req sub;
535
536	if (grp->type != EIO_GROUP)	704	if (grp->type != EIO_GROUP)
537	return;	705	return;
538		706
539	SvREFCNT_dec (grp->sv2);	707	SvREFCNT_dec (grp->sv2);
540	grp->sv2 = 0;	708	grp->sv2 = 0;
541		709
542	eio_grp_cancel (grp);	710	eio_grp_cancel (grp);
543	}	711	}
544		712
545	static void	713	static void ecb_cold
546	create_respipe (void)	714	create_respipe (void)
547	{	715	{
548	if (s_epipe_renew (&respipe))	716	if (s_epipe_renew (&respipe))
549	croak ("IO::AIO: unable to initialize result pipe");	717	croak ("IO::AIO: unable to initialize result pipe");
550	}	718	}
551		719
552	static void poll_wait (void)	720	static void
		721	poll_wait (void)
553	{	722	{
554	while (eio_nreqs ())	723	while (eio_nreqs ())
555	{	724	{
556	int size;	725	int size;
557		726
…		…
566		735
567	s_epipe_wait (&respipe);	736	s_epipe_wait (&respipe);
568	}	737	}
569	}	738	}
570		739
571	static int poll_cb (void)	740	static int
		741	poll_cb (void)
572	{	742	{
573	for (;;)	743	for (;;)
574	{	744	{
575	int res = eio_poll ();	745	int res = eio_poll ();
576		746
…		…
582		752
583	poll_wait ();	753	poll_wait ();
584	}	754	}
585	}	755	}
586		756
587	static void atfork_child (void)	757	static void ecb_cold
		758	reinit (void)
588	{	759	{
589	create_respipe ();	760	create_respipe ();
		761
		762	if (eio_init (want_poll, done_poll) < 0)
		763	croak ("IO::AIO: unable to initialise eio library");
590	}	764	}
591		765
592	/*****************************************************************************/	766	/*****************************************************************************/
593		767
		768	#if !_POSIX_MAPPED_FILES
		769	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		770	# define munmap(addr,length) (errno = ENOSYS, -1)
		771	#endif
		772
		773	#if !_POSIX_MEMORY_PROTECTION
		774	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		775	# define PROT_NONE 0
		776	# define PROT_WRITE 0
		777	# define MAP_PRIVATE 0
		778	# define MAP_SHARED 0
		779	# define MAP_FIXED 0
		780	#endif
		781
594	#define MMAP_MAGIC PERL_MAGIC_ext	782	#define MMAP_MAGIC PERL_MAGIC_ext
595		783
596	static int	784	static int ecb_cold
597	mmap_free (pTHX_ SV *sv, MAGIC *mg)	785	mmap_free (pTHX_ SV *sv, MAGIC *mg)
598	{	786	{
599	int old_errno = errno;	787	int old_errno = errno;
600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	788	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601	errno = old_errno;	789	errno = old_errno;
602		790
603	mg->mg_obj = 0; /* just in case */	791	mg->mg_obj = 0; /* just in case */
604		792
605	SvREADONLY_off (sv);	793	SvREADONLY_off (sv);
		794
		795	if (SvPVX (sv) != mg->mg_ptr)
		796	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		797
606	SvCUR_set (sv, 0);	798	SvCUR_set (sv, 0);
607	SvLEN_set (sv, 0);
608	SvPVX (sv) = 0;	799	SvPVX (sv) = 0;
609	SvOK_off (sv);	800	SvOK_off (sv);
610		801
611	return 0;	802	return 0;
612	}	803	}
…		…
622	{	813	{
623	SvGETMAGIC (cb_sv);	814	SvGETMAGIC (cb_sv);
624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	815	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625	}	816	}
626		817
		818	static aio_req ecb_noinline
		819	dreq (SV *callback)
		820	{
		821	SV *cb_cv;
		822	aio_req req;
		823	int req_pri = next_pri;
		824	next_pri = EIO_PRI_DEFAULT;
		825
		826	cb_cv = get_cb (callback);
		827
		828	req = calloc (sizeof (*req), 1);
		829	if (!req)
		830	croak ("out of memory during eio_req allocation");
		831
		832	req->callback = SvREFCNT_inc (cb_cv);
		833	req->pri = req_pri;
		834
		835	return req;
		836	}
		837
627	#define dREQ \	838	#define dREQ \
628	SV *cb_cv; \	839	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		840
642	#define REQ_SEND \	841	#define REQ_SEND \
643	PUTBACK; \	842	PUTBACK; \
644	req_submit (req); \	843	req_submit (req); \
645	SPAGAIN; \	844	SPAGAIN; \
646	\	845	\
647	if (GIMME_V != G_VOID) \	846	if (GIMME_V != G_VOID) \
648	XPUSHs (req_sv (req, aio_req_stash));	847	XPUSHs (req_sv (req, aio_req_stash));
		848
		849	ecb_inline void
		850	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		851	{
		852	if (expect_false (SvROK (path)))
		853	{
		854	SV *rv = SvRV (path);
		855	SV *wdob;
		856
		857	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		858	{
		859	path = AvARRAY (rv)[1];
		860	wdob = AvARRAY (rv)[0];
		861
		862	if (SvOK (wdob))
		863	{
		864	*wd = SvAIO_WD (wdob);
		865	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		866	}
		867	else
		868	*wd = EIO_INVALID_WD;
		869	}
		870	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		871	{
		872	*wd = (aio_wd)(long)SvIVX (rv);
		873	*wdsv = SvREFCNT_inc_NN (rv);
		874	*ptr = ".";
		875	return; /* path set to "." */
		876	}
		877	else
		878	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		879	}
		880
		881	*pathsv = newSVsv (path);
		882	*ptr = SvPVbyte_nolen (*pathsv);
		883	}
		884
		885	static void ecb_noinline
		886	req_set_path1 (aio_req req, SV *path)
		887	{
		888	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		889	}
		890
		891	static void ecb_noinline
		892	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		893	{
		894	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		895
		896	switch (SvTYPE (rv))
		897	{
		898	case SVt_PVIO:
		899	case SVt_PVLV:
		900	case SVt_PVGV:
		901	req->type = type_fh;
		902	req->sv1 = newSVsv (fh_or_path);
		903	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		904	break;
		905
		906	default:
		907	req->type = type_path;
		908	req_set_path1 (req, fh_or_path);
		909	break;
		910	}
		911	}
		912
		913	XS(boot_IO__AIO) ecb_cold;
649		914
650	MODULE = IO::AIO PACKAGE = IO::AIO	915	MODULE = IO::AIO PACKAGE = IO::AIO
651		916
652	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
653		918
…		…
662	# define const_eio(name) { # name, (IV) EIO_ ## name },	927	# define const_eio(name) { # name, (IV) EIO_ ## name },
663	const_iv (EXDEV)	928	const_iv (EXDEV)
664	const_iv (ENOSYS)	929	const_iv (ENOSYS)
665	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
666	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
		932	const_iv (O_RDWR)
667	const_iv (O_CREAT)	933	const_iv (O_CREAT)
668	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
669	#ifndef _WIN32	935	const_iv (O_EXCL)
		936	const_iv (O_APPEND)
		937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_TTY_INIT)
		953
670	const_iv (S_IFIFO)	954	const_iv (S_IFIFO)
671	#endif	955	const_iv (S_IFCHR)
		956	const_iv (S_IFBLK)
		957	const_iv (S_IFLNK)
		958	const_iv (S_IFREG)
		959	const_iv (S_IFDIR)
		960	const_iv (S_IFWHT)
		961	const_iv (S_IFSOCK)
		962	const_iv (S_IFMT)
		963
672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	964	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	965	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	966	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	967	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	968	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	969	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		970
		971	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		972	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		973	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		974	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		975	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678		976
679	const_iv (ST_RDONLY)	977	const_iv (ST_RDONLY)
680	const_iv (ST_NOSUID)	978	const_iv (ST_NOSUID)
681	const_iv (ST_NODEV)	979	const_iv (ST_NODEV)
682	const_iv (ST_NOEXEC)	980	const_iv (ST_NOEXEC)
…		…
687	const_iv (ST_IMMUTABLE)	985	const_iv (ST_IMMUTABLE)
688	const_iv (ST_NOATIME)	986	const_iv (ST_NOATIME)
689	const_iv (ST_NODIRATIME)	987	const_iv (ST_NODIRATIME)
690	const_iv (ST_RELATIME)	988	const_iv (ST_RELATIME)
691		989
		990	const_iv (PROT_NONE)
692	const_iv (PROT_EXEC)	991	const_iv (PROT_EXEC)
693	const_iv (PROT_NONE)
694	const_iv (PROT_READ)	992	const_iv (PROT_READ)
695	const_iv (PROT_WRITE)	993	const_iv (PROT_WRITE)
696		994
697	/*const_iv (MAP_FIXED)*/	995	/*const_iv (MAP_FIXED)*/
698	const_iv (MAP_PRIVATE)	996	const_iv (MAP_PRIVATE)
…		…
704	const_iv (MAP_LOCKED)	1002	const_iv (MAP_LOCKED)
705	const_iv (MAP_NORESERVE)	1003	const_iv (MAP_NORESERVE)
706	const_iv (MAP_POPULATE)	1004	const_iv (MAP_POPULATE)
707	const_iv (MAP_NONBLOCK)	1005	const_iv (MAP_NONBLOCK)
708		1006
709	const_iv (MCL_FUTURE)	1007	const_eio (MCL_FUTURE)
710	const_iv (MCL_CURRENT)	1008	const_eio (MCL_CURRENT)
711		1009
712	const_eio (MS_ASYNC)	1010	const_eio (MS_ASYNC)
713	const_eio (MS_INVALIDATE)	1011	const_eio (MS_INVALIDATE)
714	const_eio (MS_SYNC)	1012	const_eio (MS_SYNC)
715		1013
716	const_eio (MT_MODIFY)	1014	const_eio (MT_MODIFY)
717		1015
718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1016	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719	const_eio (SYNC_FILE_RANGE_WRITE)	1017	const_eio (SYNC_FILE_RANGE_WRITE)
720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1018	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1019
		1020	const_eio (FALLOC_FL_KEEP_SIZE)
721		1021
722	const_eio (READDIR_DENTS)	1022	const_eio (READDIR_DENTS)
723	const_eio (READDIR_DIRS_FIRST)	1023	const_eio (READDIR_DIRS_FIRST)
724	const_eio (READDIR_STAT_ORDER)	1024	const_eio (READDIR_STAT_ORDER)
725	const_eio (READDIR_FOUND_UNKNOWN)	1025	const_eio (READDIR_FOUND_UNKNOWN)
…		…
736	};	1036	};
737		1037
738	aio_stash = gv_stashpv ("IO::AIO" , 1);	1038	aio_stash = gv_stashpv ("IO::AIO" , 1);
739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1039	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1040	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1041	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741		1042
742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1043	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));	1044	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744		1045
745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1046	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746		1047
747	create_respipe ();	1048	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	}	1049	}
755		1050
756	void	1051	void
		1052	reinit ()
		1053	PROTOTYPE:
		1054
		1055	void
757	max_poll_reqs (int nreqs)	1056	max_poll_reqs (unsigned int nreqs)
758	PROTOTYPE: $	1057	PROTOTYPE: $
759	CODE:	1058	CODE:
760	eio_set_max_poll_reqs (nreqs);	1059	eio_set_max_poll_reqs (nreqs);
761		1060
762	void	1061	void
…		…
764	PROTOTYPE: $	1063	PROTOTYPE: $
765	CODE:	1064	CODE:
766	eio_set_max_poll_time (nseconds);	1065	eio_set_max_poll_time (nseconds);
767		1066
768	void	1067	void
769	min_parallel (int nthreads)	1068	min_parallel (unsigned int nthreads)
770	PROTOTYPE: $	1069	PROTOTYPE: $
771	CODE:	1070	CODE:
772	eio_set_min_parallel (nthreads);	1071	eio_set_min_parallel (nthreads);
773		1072
774	void	1073	void
775	max_parallel (int nthreads)	1074	max_parallel (unsigned int nthreads)
776	PROTOTYPE: $	1075	PROTOTYPE: $
777	CODE:	1076	CODE:
778	eio_set_max_parallel (nthreads);	1077	eio_set_max_parallel (nthreads);
779		1078
780	void	1079	void
781	max_idle (int nthreads)	1080	max_idle (unsigned int nthreads)
782	PROTOTYPE: $	1081	PROTOTYPE: $
783	CODE:	1082	CODE:
784	eio_set_max_idle (nthreads);	1083	eio_set_max_idle (nthreads);
785		1084
786	void	1085	void
		1086	idle_timeout (unsigned int seconds)
		1087	PROTOTYPE: $
		1088	CODE:
		1089	eio_set_idle_timeout (seconds);
		1090
		1091	void
787	max_outstanding (int maxreqs)	1092	max_outstanding (unsigned int maxreqs)
788	PROTOTYPE: $	1093	PROTOTYPE: $
789	CODE:	1094	CODE:
790	max_outstanding = maxreqs;	1095	max_outstanding = maxreqs;
791		1096
792	void	1097	void
		1098	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1099	PPCODE:
		1100	{
		1101	dREQ;
		1102
		1103	req->type = EIO_WD_OPEN;
		1104	req_set_path1 (req, pathname);
		1105
		1106	REQ_SEND;
		1107	}
		1108
		1109	void
793	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1110	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794	PROTOTYPE: $$$;$
795	PPCODE:	1111	PPCODE:
796	{	1112	{
797	dREQ;	1113	dREQ;
798		1114
799	req->type = EIO_OPEN;	1115	req->type = EIO_OPEN;
800	req->sv1 = newSVsv (pathname);	1116	req_set_path1 (req, pathname);
801	req->ptr1 = SvPVbyte_nolen (req->sv1);
802	req->int1 = flags;	1117	req->int1 = flags;
803	req->int2 = mode;	1118	req->int2 = mode;
804		1119
805	REQ_SEND;	1120	REQ_SEND;
806	}	1121	}
807		1122
808	void	1123	void
809	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1124	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810	PROTOTYPE: $;$
811	ALIAS:	1125	ALIAS:
812	aio_fsync = EIO_FSYNC	1126	aio_fsync = EIO_FSYNC
813	aio_fdatasync = EIO_FDATASYNC	1127	aio_fdatasync = EIO_FDATASYNC
		1128	aio_syncfs = EIO_SYNCFS
814	PPCODE:	1129	PPCODE:
815	{	1130	{
816	int fd = s_fileno_croak (fh, 0);	1131	int fd = s_fileno_croak (fh, 0);
817	dREQ;	1132	dREQ;
818		1133
…		…
823	REQ_SEND (req);	1138	REQ_SEND (req);
824	}	1139	}
825		1140
826	void	1141	void
827	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1142	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828	PROTOTYPE: $$$$;$
829	PPCODE:	1143	PPCODE:
830	{	1144	{
831	int fd = s_fileno_croak (fh, 0);	1145	int fd = s_fileno_croak (fh, 0);
832	dREQ;	1146	dREQ;
833		1147
…		…
840		1154
841	REQ_SEND (req);	1155	REQ_SEND (req);
842	}	1156	}
843		1157
844	void	1158	void
845	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1159	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
846	PROTOTYPE: $;$
847	PPCODE:	1160	PPCODE:
848	{	1161	{
849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
851	dREQ;	1163	dREQ;
852		1164
853	if (close_pipe < 0)	1165	req->type = EIO_FALLOCATE;
		1166	req->sv1 = newSVsv (fh);
		1167	req->int1 = fd;
		1168	req->int2 = mode;
		1169	req->offs = offset;
		1170	req->size = len;
		1171
		1172	REQ_SEND (req);
		1173	}
		1174
		1175	void
		1176	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1177	PPCODE:
		1178	{
		1179	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1180	int fd = s_fileno_croak (fh, 0);
		1181	dREQ;
		1182
		1183	if (expect_false (close_fd < 0))
854	{	1184	{
855	int pipefd [2];	1185	int pipefd [2];
856		1186
		1187	if (
		1188	#ifdef _WIN32
		1189	_pipe (pipefd, 1, _O_BINARY) < 0
		1190	#else
857	if (pipe (pipefd) < 0	1191	pipe (pipefd) < 0
858	|| close (pipefd [1]) < 0
859	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1192	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1193	#endif
		1194	|| close (pipefd [1]) < 0
		1195	)
860	abort (); /*D*/	1196	abort (); /*D*/
861		1197
862	close_pipe = pipefd [0];	1198	close_fd = pipefd [0];
863	}	1199	}
864		1200
865	req->type = EIO_DUP2;	1201	req->type = EIO_DUP2;
866	req->int1 = close_pipe;	1202	req->int1 = close_fd;
867	req->sv2 = newSVsv (fh);	1203	req->sv2 = newSVsv (fh);
868	req->int2 = fd;	1204	req->int2 = fd;
869		1205
870	REQ_SEND (req);	1206	REQ_SEND (req);
871	}	1207	}
…		…
873	void	1209	void
874	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1210	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875	ALIAS:	1211	ALIAS:
876	aio_read = EIO_READ	1212	aio_read = EIO_READ
877	aio_write = EIO_WRITE	1213	aio_write = EIO_WRITE
878	PROTOTYPE: $$$$$;$
879	PPCODE:	1214	PPCODE:
880	{	1215	{
881	STRLEN svlen;	1216	STRLEN svlen;
882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1217	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883	char *svptr = SvPVbyte (data, svlen);	1218	char *svptr = SvPVbyte (data, svlen);
…		…
923	REQ_SEND;	1258	REQ_SEND;
924	}	1259	}
925	}	1260	}
926		1261
927	void	1262	void
928	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1263	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
929	PROTOTYPE: $$;$	1264	ALIAS:
		1265	aio_readlink = EIO_READLINK
		1266	aio_realpath = EIO_REALPATH
930	PPCODE:	1267	PPCODE:
931	{	1268	{
932	SV *data;
933	dREQ;	1269	dREQ;
934		1270
935	req->type = EIO_READLINK;	1271	req->type = ix;
936	req->sv1 = newSVsv (path);	1272	req_set_path1 (req, pathname);
937	req->ptr1 = SvPVbyte_nolen (req->sv1);
938		1273
939	REQ_SEND;	1274	REQ_SEND;
940	}	1275	}
941		1276
942	void	1277	void
943	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1278	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944	PROTOTYPE: $$$$;$
945	PPCODE:	1279	PPCODE:
946	{	1280	{
947	int ifd = s_fileno_croak (in_fh , 0);	1281	int ifd = s_fileno_croak (in_fh , 0);
948	int ofd = s_fileno_croak (out_fh, 1);	1282	int ofd = s_fileno_croak (out_fh, 1);
949	dREQ;	1283	dREQ;
…		…
959	REQ_SEND;	1293	REQ_SEND;
960	}	1294	}
961		1295
962	void	1296	void
963	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1297	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964	PROTOTYPE: $$$;$
965	PPCODE:	1298	PPCODE:
966	{	1299	{
967	int fd = s_fileno_croak (fh, 0);	1300	int fd = s_fileno_croak (fh, 0);
968	dREQ;	1301	dREQ;
969		1302
…		…
984	aio_statvfs = EIO_STATVFS	1317	aio_statvfs = EIO_STATVFS
985	PPCODE:	1318	PPCODE:
986	{	1319	{
987	dREQ;	1320	dREQ;
988		1321
989	req->sv1 = newSVsv (fh_or_path);	1322	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		1323
1002	REQ_SEND;	1324	REQ_SEND;
1003	}	1325	}
		1326
		1327	UV
		1328	major (UV dev)
		1329	ALIAS:
		1330	minor = 1
		1331	CODE:
		1332	RETVAL = ix ? major (dev) : minor (dev);
		1333	OUTPUT:
		1334	RETVAL
		1335
		1336	UV
		1337	makedev (UV maj, UV min)
		1338	CODE:
		1339	RETVAL = makedev (maj, min);
		1340	OUTPUT:
		1341	RETVAL
1004		1342
1005	void	1343	void
1006	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1344	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007	PPCODE:	1345	PPCODE:
1008	{	1346	{
1009	dREQ;	1347	dREQ;
1010		1348
1011	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1349	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1350	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013	req->sv1 = newSVsv (fh_or_path);	1351	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		1352
1026	REQ_SEND;	1353	REQ_SEND;
1027	}	1354	}
1028		1355
1029	void	1356	void
1030	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1357	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1031	PPCODE:	1358	PPCODE:
1032	{	1359	{
1033	dREQ;	1360	dREQ;
1034		1361
1035	req->sv1 = newSVsv (fh_or_path);
1036	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1362	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037		1363	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		1364
1049	REQ_SEND;	1365	REQ_SEND;
1050	}	1366	}
1051		1367
1052	void	1368	void
1053	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1369	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:	1370	PPCODE:
1058	{	1371	{
1059	dREQ;	1372	dREQ;
1060		1373
1061	req->int2 = mode;	1374	req->int2 = mode;
1062	req->sv1 = newSVsv (fh_or_path);	1375	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		1376
1075	REQ_SEND;	1377	REQ_SEND;
1076	}	1378	}
1077		1379
1078	void	1380	void
…		…
1081	{	1383	{
1082	dREQ;	1384	dREQ;
1083		1385
1084	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1386	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1387	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086	req->sv1 = newSVsv (fh_or_path);	1388	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		1389
1099	REQ_SEND;	1390	REQ_SEND;
1100	}	1391	}
1101		1392
1102	void	1393	void
…		…
1104	PPCODE:	1395	PPCODE:
1105	{	1396	{
1106	dREQ;	1397	dREQ;
1107		1398
1108	req->type = EIO_READDIR;	1399	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;	1400	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112		1401
1113	if (flags & EIO_READDIR_DENTS)	1402	if (flags & EIO_READDIR_DENTS)
1114	req->int1 |= EIO_READDIR_CUSTOM2;	1403	req->int1 |= EIO_READDIR_CUSTOM2;
1115		1404
		1405	req_set_path1 (req, pathname);
		1406
1116	REQ_SEND;	1407	REQ_SEND;
		1408	}
		1409
		1410	void
		1411	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1412	PPCODE:
		1413	{
		1414	dREQ;
		1415
		1416	req->type = EIO_MKDIR;
		1417	req->int2 = mode;
		1418	req_set_path1 (req, pathname);
		1419
		1420	REQ_SEND;
1117	}	1421	}
1118		1422
1119	void	1423	void
1120	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1424	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1121	ALIAS:	1425	ALIAS:
…		…
1125	PPCODE:	1429	PPCODE:
1126	{	1430	{
1127	dREQ;	1431	dREQ;
1128		1432
1129	req->type = ix;	1433	req->type = ix;
1130	req->sv1 = newSVsv (pathname);	1434	req_set_path1 (req, pathname);
1131	req->ptr1 = SvPVbyte_nolen (req->sv1);
1132		1435
1133	REQ_SEND;	1436	REQ_SEND;
1134	}	1437	}
1135		1438
1136	void	1439	void
…		…
1139	aio_link = EIO_LINK	1442	aio_link = EIO_LINK
1140	aio_symlink = EIO_SYMLINK	1443	aio_symlink = EIO_SYMLINK
1141	aio_rename = EIO_RENAME	1444	aio_rename = EIO_RENAME
1142	PPCODE:	1445	PPCODE:
1143	{	1446	{
		1447	eio_wd wd2 = 0;
1144	dREQ;	1448	dREQ;
1145		1449
1146	req->type = ix;	1450	req->type = ix;
1147	req->sv1 = newSVsv (oldpath);	1451	req_set_path1 (req, oldpath);
1148	req->ptr1 = SvPVbyte_nolen (req->sv1);	1452	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149	req->sv2 = newSVsv (newpath);	1453	req->int3 = (long)wd2;
1150	req->ptr2 = SvPVbyte_nolen (req->sv2);
1151		1454
1152	REQ_SEND;	1455	REQ_SEND;
1153	}	1456	}
1154		1457
1155	void	1458	void
…		…
1157	PPCODE:	1460	PPCODE:
1158	{	1461	{
1159	dREQ;	1462	dREQ;
1160		1463
1161	req->type = EIO_MKNOD;	1464	req->type = EIO_MKNOD;
1162	req->sv1 = newSVsv (pathname);
1163	req->ptr1 = SvPVbyte_nolen (req->sv1);
1164	req->int2 = (mode_t)mode;	1465	req->int2 = (mode_t)mode;
1165	req->offs = dev;	1466	req->offs = dev;
		1467	req_set_path1 (req, pathname);
1166		1468
1167	REQ_SEND;	1469	REQ_SEND;
1168	}	1470	}
1169		1471
1170	void	1472	void
1171	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1473	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172	ALIAS:	1474	ALIAS:
1173	aio_mtouch = EIO_MTOUCH	1475	aio_mtouch = EIO_MTOUCH
1174	aio_msync = EIO_MSYNC	1476	aio_msync = EIO_MSYNC
1175	PROTOTYPE: $$$$;$
1176	PPCODE:	1477	PPCODE:
1177	{	1478	{
1178	STRLEN svlen;	1479	STRLEN svlen;
		1480	char *svptr = SvPVbyte (data, svlen);
1179	UV len = SvUV (length);	1481	UV len = SvUV (length);
1180	char *svptr = SvPVbyte (data, svlen);
1181		1482
1182	if (offset < 0)	1483	if (offset < 0)
1183	offset += svlen;	1484	offset += svlen;
1184		1485
1185	if (offset < 0 || offset > svlen)	1486	if (offset < 0 || offset > svlen)
…		…
1190		1491
1191	{	1492	{
1192	dREQ;	1493	dREQ;
1193		1494
1194	req->type = ix;	1495	req->type = ix;
1195	req->size = len;
1196	req->sv2 = SvREFCNT_inc (data);	1496	req->sv2 = SvREFCNT_inc (data);
1197	req->ptr2 = (char *)svptr + offset;	1497	req->ptr2 = (char *)svptr + offset;
		1498	req->size = len;
1198	req->int1 = flags;	1499	req->int1 = flags;
1199		1500
1200	REQ_SEND;	1501	REQ_SEND;
1201	}	1502	}
1202	}	1503	}
1203		1504
1204	void	1505	void
		1506	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1507	PPCODE:
		1508	{
		1509	STRLEN svlen;
		1510	char *svptr = SvPVbyte (data, svlen);
		1511	UV len = SvUV (length);
		1512
		1513	if (offset < 0)
		1514	offset += svlen;
		1515
		1516	if (offset < 0 || offset > svlen)
		1517	croak ("offset outside of scalar");
		1518
		1519	if (!SvOK (length) || len + offset > svlen)
		1520	len = svlen - offset;
		1521
		1522	{
		1523	dREQ;
		1524
		1525	req->type = EIO_MLOCK;
		1526	req->sv2 = SvREFCNT_inc (data);
		1527	req->ptr2 = (char *)svptr + offset;
		1528	req->size = len;
		1529
		1530	REQ_SEND;
		1531	}
		1532	}
		1533
		1534	void
		1535	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1536	PPCODE:
		1537	{
		1538	dREQ;
		1539
		1540	req->type = EIO_MLOCKALL;
		1541	req->int1 = flags;
		1542
		1543	REQ_SEND;
		1544	}
		1545
		1546	void
1205	aio_busy (double delay, SV *callback=&PL_sv_undef)	1547	aio_busy (double delay, SV *callback=&PL_sv_undef)
1206	PPCODE:	1548	PPCODE:
1207	{	1549	{
1208	dREQ;	1550	dREQ;
1209		1551
…		…
1213	REQ_SEND;	1555	REQ_SEND;
1214	}	1556	}
1215		1557
1216	void	1558	void
1217	aio_group (SV *callback=&PL_sv_undef)	1559	aio_group (SV *callback=&PL_sv_undef)
1218	PROTOTYPE: ;$
1219	PPCODE:	1560	PPCODE:
1220	{	1561	{
1221	dREQ;	1562	dREQ;
1222		1563
1223	req->type = EIO_GROUP;	1564	req->type = EIO_GROUP;
…		…
1240	REQ_SEND;	1581	REQ_SEND;
1241	}	1582	}
1242		1583
1243	int	1584	int
1244	aioreq_pri (int pri = 0)	1585	aioreq_pri (int pri = 0)
1245	PROTOTYPE: ;$
1246	CODE:	1586	CODE:
1247	RETVAL = next_pri;	1587	RETVAL = next_pri;
1248	if (items > 0)	1588	if (items > 0)
1249	{	1589	{
1250	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1590	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1262	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1602	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263	next_pri = nice;	1603	next_pri = nice;
1264		1604
1265	void	1605	void
1266	flush ()	1606	flush ()
1267	PROTOTYPE:
1268	CODE:	1607	CODE:
1269	while (eio_nreqs ())	1608	while (eio_nreqs ())
1270	{	1609	{
1271	poll_wait ();	1610	poll_wait ();
1272	poll_cb ();	1611	poll_cb ();
1273	}	1612	}
1274		1613
1275	int	1614	int
1276	poll()	1615	poll ()
1277	PROTOTYPE:
1278	CODE:	1616	CODE:
1279	poll_wait ();	1617	poll_wait ();
1280	RETVAL = poll_cb ();	1618	RETVAL = poll_cb ();
1281	OUTPUT:	1619	OUTPUT:
1282	RETVAL	1620	RETVAL
1283		1621
1284	int	1622	int
1285	poll_fileno()	1623	poll_fileno ()
1286	PROTOTYPE:
1287	CODE:	1624	CODE:
1288	RETVAL = s_epipe_fd (&respipe);	1625	RETVAL = s_epipe_fd (&respipe);
1289	OUTPUT:	1626	OUTPUT:
1290	RETVAL	1627	RETVAL
1291		1628
1292	int	1629	int
1293	poll_cb(...)	1630	poll_cb (...)
1294	PROTOTYPE:	1631	PROTOTYPE:
1295	CODE:	1632	CODE:
1296	RETVAL = poll_cb ();	1633	RETVAL = poll_cb ();
1297	OUTPUT:	1634	OUTPUT:
1298	RETVAL	1635	RETVAL
1299		1636
1300	void	1637	void
1301	poll_wait()	1638	poll_wait ()
1302	PROTOTYPE:
1303	CODE:	1639	CODE:
1304	poll_wait ();	1640	poll_wait ();
1305		1641
1306	int	1642	int
1307	nreqs()	1643	nreqs ()
1308	PROTOTYPE:
1309	CODE:	1644	CODE:
1310	RETVAL = eio_nreqs ();	1645	RETVAL = eio_nreqs ();
1311	OUTPUT:	1646	OUTPUT:
1312	RETVAL	1647	RETVAL
1313		1648
1314	int	1649	int
1315	nready()	1650	nready ()
1316	PROTOTYPE:
1317	CODE:	1651	CODE:
1318	RETVAL = eio_nready ();	1652	RETVAL = eio_nready ();
1319	OUTPUT:	1653	OUTPUT:
1320	RETVAL	1654	RETVAL
1321		1655
1322	int	1656	int
1323	npending()	1657	npending ()
1324	PROTOTYPE:
1325	CODE:	1658	CODE:
1326	RETVAL = eio_npending ();	1659	RETVAL = eio_npending ();
1327	OUTPUT:	1660	OUTPUT:
1328	RETVAL	1661	RETVAL
1329		1662
1330	int	1663	int
1331	nthreads()	1664	nthreads ()
1332	PROTOTYPE:
1333	CODE:	1665	CODE:
1334	RETVAL = eio_nthreads ();	1666	RETVAL = eio_nthreads ();
1335	OUTPUT:	1667	OUTPUT:
1336	RETVAL	1668	RETVAL
1337		1669
1338	int	1670	int
1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1671	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340	PROTOTYPE: $$$$
1341	CODE:	1672	CODE:
1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343	RETVAL = posix_fadvise (fh, offset, length, advice);	1673	RETVAL = posix_fadvise (fh, offset, length, advice);
1344	#else
1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346	#endif
1347	OUTPUT:	1674	OUTPUT:
1348	RETVAL	1675	RETVAL
1349		1676
1350	ssize_t	1677	IV
1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1678	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352	PROTOTYPE: $$$$
1353	CODE:	1679	CODE:
1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1680	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355	OUTPUT:	1681	OUTPUT:
1356	RETVAL	1682	RETVAL
1357		1683
1358	void	1684	void
1359	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1685	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360	PROTOTYPE: $$$$$;$
1361	PPCODE:	1686	PPCODE:
1362	sv_unmagic (scalar, MMAP_MAGIC);	1687	sv_unmagic (scalar, MMAP_MAGIC);
1363	{	1688	{
1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1689	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1690	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366	if (addr == (void *)-1)	1691	if (addr == (void *)-1)
1367	XSRETURN_NO;	1692	XSRETURN_NO;
1368		1693
		1694	sv_force_normal (scalar);
		1695
1369	/* we store the length in mg_obj, as namlen is I32 :/ */	1696	/* we store the length in mg_obj, as namlen is I32 :/ */
1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1697	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371	->mg_obj = (SV *)length;	1698	->mg_obj = (SV *)length;
1372		1699
1373	SvUPGRADE (scalar, SVt_PV); /* nop... */	1700	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1701
1374	if (!(prot & PROT_WRITE))	1702	if (!(prot & PROT_WRITE))
1375	SvREADONLY_on (scalar);	1703	SvREADONLY_on (scalar);
		1704
		1705	if (SvLEN (scalar))
		1706	Safefree (SvPVX (scalar));
1376		1707
1377	SvPVX (scalar) = (char *)addr;	1708	SvPVX (scalar) = (char *)addr;
1378	SvCUR_set (scalar, length);	1709	SvCUR_set (scalar, length);
1379	SvLEN_set (scalar, 0);	1710	SvLEN_set (scalar, 0);
1380	SvPOK_only (scalar);	1711	SvPOK_only (scalar);
…		…
1382	XSRETURN_YES;	1713	XSRETURN_YES;
1383	}	1714	}
1384		1715
1385	void	1716	void
1386	munmap (SV *scalar)	1717	munmap (SV *scalar)
1387	PROTOTYPE: $
1388	CODE:	1718	CODE:
1389	sv_unmagic (scalar, MMAP_MAGIC);	1719	sv_unmagic (scalar, MMAP_MAGIC);
1390		1720
1391	int	1721	int
1392	mlockall (int flags)	1722	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393	PROTOTYPE: $	1723	ALIAS:
		1724	mprotect = 1
1394	CODE:	1725	CODE:
		1726	{
		1727	STRLEN svlen;
		1728	void *addr = SvPVbyte (scalar, svlen);
		1729	size_t len = SvUV (length);
		1730
		1731	if (offset < 0)
		1732	offset += svlen;
		1733
		1734	if (offset < 0 || offset > svlen)
		1735	croak ("offset outside of scalar");
		1736
		1737	if (!SvOK (length) || len + offset > svlen)
		1738	len = svlen - offset;
		1739
		1740	addr = (void *)(((intptr_t)addr) + offset);
		1741	eio_page_align (&addr, &len);
		1742
		1743	switch (ix)
		1744	{
		1745	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1746	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1747	}
		1748	}
		1749	OUTPUT:
		1750	RETVAL
		1751
		1752	int
		1753	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1754	CODE:
		1755	{
		1756	STRLEN svlen;
		1757	void *addr = SvPVbyte (scalar, svlen);
		1758	size_t len = SvUV (length);
		1759
		1760	if (offset < 0)
		1761	offset += svlen;
		1762
		1763	if (offset < 0 || offset > svlen)
		1764	croak ("offset outside of scalar");
		1765
		1766	if (!SvOK (length) || len + offset > svlen)
		1767	len = svlen - offset;
		1768
		1769	addr = (void *)(((intptr_t)addr) + offset);
		1770	eio_page_align (&addr, &len);
1395	#if _POSIX_MEMLOCK	1771	#if _POSIX_MEMLOCK_RANGE
1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1772	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	1773	#else
1402	RETVAL = -1;	1774	RETVAL = ((errno = ENOSYS), -1);
1403	errno = ENOSYS;
1404	#endif	1775	#endif
		1776	}
1405	OUTPUT:	1777	OUTPUT:
1406	RETVAL	1778	RETVAL
1407		1779
1408	int	1780	int
1409	munlockall ()	1781	munlockall ()
1410	PROTOTYPE:
1411	CODE:	1782	CODE:
1412	#if _POSIX_MEMLOCK	1783	#if _POSIX_MEMLOCK
1413	munlockall ();	1784	munlockall ();
1414	#else	1785	#else
1415	RETVAL = -1;	1786	RETVAL = -1;
…		…
1423	SvREFCNT_dec (on_next_submit);	1794	SvREFCNT_dec (on_next_submit);
1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1795	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425		1796
1426	PROTOTYPES: DISABLE	1797	PROTOTYPES: DISABLE
1427		1798
		1799	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1800
		1801	BOOT:
		1802	{
		1803	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1804	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1805	}
		1806
		1807	void
		1808	DESTROY (SV *self)
		1809	CODE:
		1810	{
		1811	aio_wd wd = SvAIO_WD (self);
		1812	#if HAVE_AT
		1813	{
		1814	SV *callback = &PL_sv_undef;
		1815	dREQ; /* clobbers next_pri :/ */
		1816	next_pri = req->pri; /* restore next_pri */
		1817	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1818	req->type = EIO_WD_CLOSE;
		1819	req->wd = wd;
		1820	REQ_SEND;
		1821	}
		1822	#else
		1823	eio_wd_close_sync (wd);
		1824	#endif
		1825	}
		1826
1428	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1827	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429		1828
1430	void	1829	void
1431	cancel (aio_req_ornot req)	1830	cancel (aio_req_ornot req)
1432	CODE:	1831	CODE:

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