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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC vs.
Revision 1.200 by root, Thu Sep 29 09:51:24 2011 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	22	#endif
24		23
25	/* perl namespace pollution */	24	/* perl namespace pollution */
26	#undef VERSION	25	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		26
77	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	29	#undef readdir
80	#undef opendir	30	#undef opendir
81	#undef closedir	31	#undef closedir
		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	#else
		68
		69	#include <sys/time.h>
		70	#include <sys/select.h>
		71	#include <unistd.h>
		72	#include <utime.h>
		73	#include <signal.h>
		74
		75	#endif
82		76
83	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
84		78
85	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
108		102
109	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
112		106
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		108
115	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
116	SV *callback; \	110	SV *callback; \
117	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
118	STRLEN stroffset; \	113	STRLEN stroffset; \
119	SV *self;	114	SV *self;
120		115
121	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
122		117
		118	#include "libeio/config.h"
123	#include "libeio/eio.h"	119	#include "libeio/eio.h"
		120
		121	static int req_invoke (eio_req *req);
		122	#define EIO_FINISH(req) req_invoke (req)
		123	static void req_destroy (eio_req *grp);
		124	#define EIO_DESTROY(req) req_destroy (req)
		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
124		173
125	#ifndef POSIX_FADV_NORMAL	174	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0	175	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif	176	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL	177	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0	178	# define POSIX_FADV_SEQUENTIAL 0
131	#endif	179	#endif
132	#ifndef POSIX_FADV_RANDOM	180	#ifndef POSIX_FADV_RANDOM
…		…
140	#endif	188	#endif
141	#ifndef POSIX_FADV_DONTNEED	189	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0	190	# define POSIX_FADV_DONTNEED 0
143	#endif	191	#endif
144		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
145	#ifndef ST_NODEV	236	#ifndef ST_NODEV
146	# define ST_NODEV 0	237	# define ST_NODEV 0
147	#endif	238	#endif
148	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
171	#endif	262	#endif
172	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	264	# define ST_RELATIME 0
174	#endif	265	#endif
175		266
176	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	268	# define S_IFIFO 0
178	#endif	269	#endif
179	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
180	# define MCL_FUTURE 0	271	# define S_IFCHR 0
		272	#endif
		273	#ifndef S_IFBLK
		274	# define S_IFBLK 0
		275	#endif
		276	#ifndef S_IFLNK
		277	# define S_IFLNK 0
		278	#endif
		279	#ifndef S_IFREG
		280	# define S_IFREG 0
		281	#endif
		282	#ifndef S_IFDIR
		283	# define S_IFDIR 0
		284	#endif
		285	#ifndef S_IFWHT
		286	# define S_IFWHT 0
		287	#endif
		288	#ifndef S_IFSOCK
		289	# define S_IFSOCK 0
181	#endif	290	#endif
182		291
183	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	293	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
201	#endif	310	#endif
202	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
204	#endif	313	#endif
205		314
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) | (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
206	#ifndef PAGESIZE	325	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	327	#endif
209
210	static int req_invoke (eio_req *req);
211	#define EIO_FINISH(req) req_invoke (req)
212	static void req_destroy (eio_req *grp);
213	#define EIO_DESTROY(req) req_destroy (req)
214		328
215	enum {	329	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	331	};
218		332
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
223		336
224	static SV *on_next_submit;	337	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	339	static int max_outstanding;
227		340
…		…
252	}	365	}
253		366
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	368	}
256		369
		370	static SV *
		371	newSVaio_wd (aio_wd wd)
		372	{
		373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
		374	}
		375
257	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
258	{	377	{
259	MAGIC *mg;	378	MAGIC *mg;
260		379
261	if (!SvROK (sv)	380	if (!SvROK (sv)
…		…
265	croak ("object of class IO::AIO::REQ expected");	384	croak ("object of class IO::AIO::REQ expected");
266		385
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		387
269	return mg ? (aio_req)mg->mg_ptr : 0;	388	return mg ? (aio_req)mg->mg_ptr : 0;
		389	}
		390
		391	static aio_wd SvAIO_WD (SV *sv)
		392	{
		393	if (!SvROK (sv)
		394	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		395	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		397
		398	return (aio_wd)(long)SvIVX (SvRV (sv));
270	}	399	}
271		400
272	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
273	{	402	{
274	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
304	}	433	}
305	}	434	}
306		435
307	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
308	{	437	{
309	dSP;
310
311	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
312	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
313		440
314	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
315	{	442	{
		443	dSP;
316	static SV *sv_result_cache; /* caches the result integer SV */	444	static SV *sv_result_cache; /* caches the result integer SV */
317	SV *sv_result;	445	SV *sv_result;
318		446
319	ENTER;	447	ENTER;
320	SAVETMPS;	448	SAVETMPS;
…		…
324	/* do not recreate the result IV from scratch each time */	452	/* do not recreate the result IV from scratch each time */
325	if (expect_true (sv_result_cache))	453	if (expect_true (sv_result_cache))
326	{	454	{
327	sv_result = sv_result_cache; sv_result_cache = 0;	455	sv_result = sv_result_cache; sv_result_cache = 0;
328	SvIV_set (sv_result, req->result);	456	SvIV_set (sv_result, req->result);
		457	SvIOK_only (sv_result);
329	}	458	}
330	else	459	else
331	{	460	{
332	sv_result = newSViv (req->result);	461	sv_result = newSViv (req->result);
333	SvREADONLY_on (sv_result);	462	SvREADONLY_on (sv_result);
334	}	463	}
335		464
336	switch (req->type)	465	switch (req->type)
337	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
338	case EIO_READDIR:	471	case EIO_READDIR:
339	{	472	{
340	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
341		474
342	if (req->result >= 0)	475	if (req->result >= 0)
…		…
430	case EIO_STATVFS:	563	case EIO_STATVFS:
431	case EIO_FSTATVFS:	564	case EIO_FSTATVFS:
432	{	565	{
433	SV *rv = &PL_sv_undef;	566	SV *rv = &PL_sv_undef;
434		567
		568	#ifndef _WIN32
435	if (req->result >= 0)	569	if (req->result >= 0)
436	{	570	{
437	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
438	HV *hv = newHV ();	572	HV *hv = newHV ();
439		573
…		…
449	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
450	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
451	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
452	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
453	}	587	}
		588	#endif
454		589
455	PUSHs (rv);	590	PUSHs (rv);
456	}	591	}
457		592
458	break;	593	break;
…		…
474	case EIO_NOP:	609	case EIO_NOP:
475	case EIO_BUSY:	610	case EIO_BUSY:
476	break;	611	break;
477		612
478	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
479	if (req->result > 0)	615	if (req->result > 0)
480	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
481	break;	617	break;
482		618
483	case EIO_STAT:	619	case EIO_STAT:
484	case EIO_LSTAT:	620	case EIO_LSTAT:
485	case EIO_FSTAT:	621	case EIO_FSTAT:
486	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		623
487	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
488	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		627
489	PUSHs (sv_result);	628	PUSHs (sv_result);
490	break;	629	break;
491		630
492	case EIO_READ:	631	case EIO_READ:
493	{	632	{
…		…
497	SvSETMAGIC (req->sv2);	636	SvSETMAGIC (req->sv2);
498	PUSHs (sv_result);	637	PUSHs (sv_result);
499	}	638	}
500	break;	639	break;
501		640
502	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
503	if (req->result > 0)	642	if (req->result > 0)
504	SvIV_set (sv_result, 0);	643	SvIV_set (sv_result, 0);
505	/* FALLTHROUGH */	644	/* FALLTHROUGH */
506		645
507	default:	646	default:
…		…
537	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
538	}	677	}
539		678
540	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
541	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
542	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
543		684
544	Safefree (req);	685	Safefree (req);
545	}	686	}
546		687
547	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
548	{	689	{
549	aio_req sub;
550
551	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
552	return;	691	return;
553		692
554	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
555	grp->sv2 = 0;	694	grp->sv2 = 0;
556		695
557	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
558	}	697	}
559		698
560	static void
561	create_respipe (void)	699	static void create_respipe (void)
562	{	700	{
563	if (s_epipe_renew (&respipe))	701	if (s_epipe_renew (&respipe))
564	croak ("IO::AIO: unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
565	}	703	}
566		704
…		…
597		735
598	poll_wait ();	736	poll_wait ();
599	}	737	}
600	}	738	}
601		739
602	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
603	{	742	{
604	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
605	}	747	}
606		748
607	/*****************************************************************************/	749	/*****************************************************************************/
608		750
609	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
610	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
611	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) (errno = ENOSYS, -1)
612	#endif	754	#endif
613		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		758	# define PROT_NONE 0
		759	# define PROT_WRITE 0
		760	# define MAP_PRIVATE 0
		761	# define MAP_SHARED 0
		762	# define MAP_FIXED 0
		763	#endif
		764
614	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
615		766
616	static int
617	mmap_free (pTHX_ SV *sv, MAGIC *mg)	767	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
618	{	768	{
619	int old_errno = errno;	769	int old_errno = errno;
620	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
621	errno = old_errno;	771	errno = old_errno;
622		772
623	mg->mg_obj = 0; /* just in case */	773	mg->mg_obj = 0; /* just in case */
624		774
625	SvREADONLY_off (sv);	775	SvREADONLY_off (sv);
		776
		777	if (SvPVX (sv) != mg->mg_ptr)
		778	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		779
626	SvCUR_set (sv, 0);	780	SvCUR_set (sv, 0);
627	SvLEN_set (sv, 0);
628	SvPVX (sv) = 0;	781	SvPVX (sv) = 0;
629	SvOK_off (sv);	782	SvOK_off (sv);
630		783
631	return 0;	784	return 0;
632	}	785	}
…		…
635	0, 0, 0, 0, mmap_free	788	0, 0, 0, 0, mmap_free
636	};	789	};
637		790
638	/*****************************************************************************/	791	/*****************************************************************************/
639		792
640	static SV *
641	get_cb (SV *cb_sv)	793	static SV * get_cb (SV *cb_sv)
642	{	794	{
643	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
644	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
645	}	797	}
646		798
…		…
664	req_submit (req); \	816	req_submit (req); \
665	SPAGAIN; \	817	SPAGAIN; \
666	\	818	\
667	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
668	XPUSHs (req_sv (req, aio_req_stash));	820	XPUSHs (req_sv (req, aio_req_stash));
		821
		822	static void
		823	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		824	{
		825	if (expect_false (SvROK (path)))
		826	{
		827	AV *av = (AV *)SvRV (path);
		828	SV *wdob;
		829
		830	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		832
		833	path = AvARRAY (av)[1];
		834	wdob = AvARRAY (av)[0];
		835
		836	if (SvOK (wdob))
		837	{
		838	*wd = SvAIO_WD (wdob);
		839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		840	}
		841	else
		842	*wd = EIO_INVALID_WD;
		843	}
		844
		845	*pathsv = newSVsv (path);
		846	*ptr = SvPVbyte_nolen (*pathsv);
		847	}
		848
		849	static void
		850	req_set_path1 (aio_req req, SV *path)
		851	{
		852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		853	}
		854
		855	static void
		856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		857	{
		858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		859
		860	switch (SvTYPE (rv))
		861	{
		862	case SVt_PVIO:
		863	case SVt_PVLV:
		864	case SVt_PVGV:
		865	req->type = type_fh;
		866	req->sv1 = newSVsv (fh_or_path);
		867	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		868	break;
		869
		870	default:
		871	req->type = type_path;
		872	req_set_path1 (req, fh_or_path);
		873	break;
		874	}
		875
		876	}
669		877
670	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
671		879
672	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
673		881
…		…
687	const_iv (O_RDWR)	895	const_iv (O_RDWR)
688	const_iv (O_CREAT)	896	const_iv (O_CREAT)
689	const_iv (O_TRUNC)	897	const_iv (O_TRUNC)
690	const_iv (O_EXCL)	898	const_iv (O_EXCL)
691	const_iv (O_APPEND)	899	const_iv (O_APPEND)
692	#ifndef _WIN32	900
		901	const_iv (O_ASYNC)
		902	const_iv (O_DIRECT)
		903	const_iv (O_NOATIME)
		904
		905	const_iv (O_CLOEXEC)
		906	const_iv (O_NOCTTY)
		907	const_iv (O_NOFOLLOW)
		908	const_iv (O_NONBLOCK)
		909	const_iv (O_EXEC)
		910	const_iv (O_SEARCH)
		911	const_iv (O_DIRECTORY)
		912	const_iv (O_DSYNC)
		913	const_iv (O_RSYNC)
		914	const_iv (O_SYNC)
		915	const_iv (O_TTY_INIT)
		916
693	const_iv (S_IFIFO)	917	const_iv (S_IFIFO)
694	#endif	918	const_iv (S_IFCHR)
		919	const_iv (S_IFBLK)
		920	const_iv (S_IFLNK)
		921	const_iv (S_IFREG)
		922	const_iv (S_IFDIR)
		923	const_iv (S_IFWHT)
		924	const_iv (S_IFSOCK)
		925	const_iv (S_IFMT)
		926
695	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
696	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
697	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
698	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
699	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
700	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		933
		934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
701		939
702	const_iv (ST_RDONLY)	940	const_iv (ST_RDONLY)
703	const_iv (ST_NOSUID)	941	const_iv (ST_NOSUID)
704	const_iv (ST_NODEV)	942	const_iv (ST_NODEV)
705	const_iv (ST_NOEXEC)	943	const_iv (ST_NOEXEC)
…		…
710	const_iv (ST_IMMUTABLE)	948	const_iv (ST_IMMUTABLE)
711	const_iv (ST_NOATIME)	949	const_iv (ST_NOATIME)
712	const_iv (ST_NODIRATIME)	950	const_iv (ST_NODIRATIME)
713	const_iv (ST_RELATIME)	951	const_iv (ST_RELATIME)
714		952
		953	const_iv (PROT_NONE)
715	const_iv (PROT_EXEC)	954	const_iv (PROT_EXEC)
716	const_iv (PROT_NONE)
717	const_iv (PROT_READ)	955	const_iv (PROT_READ)
718	const_iv (PROT_WRITE)	956	const_iv (PROT_WRITE)
719		957
720	/*const_iv (MAP_FIXED)*/	958	/*const_iv (MAP_FIXED)*/
721	const_iv (MAP_PRIVATE)	959	const_iv (MAP_PRIVATE)
…		…
727	const_iv (MAP_LOCKED)	965	const_iv (MAP_LOCKED)
728	const_iv (MAP_NORESERVE)	966	const_iv (MAP_NORESERVE)
729	const_iv (MAP_POPULATE)	967	const_iv (MAP_POPULATE)
730	const_iv (MAP_NONBLOCK)	968	const_iv (MAP_NONBLOCK)
731		969
732	const_iv (MCL_FUTURE)	970	const_eio (MCL_FUTURE)
733	const_iv (MCL_CURRENT)	971	const_eio (MCL_CURRENT)
734		972
735	const_eio (MS_ASYNC)	973	const_eio (MS_ASYNC)
736	const_eio (MS_INVALIDATE)	974	const_eio (MS_INVALIDATE)
737	const_eio (MS_SYNC)	975	const_eio (MS_SYNC)
738		976
739	const_eio (MT_MODIFY)	977	const_eio (MT_MODIFY)
740		978
741	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
742	const_eio (SYNC_FILE_RANGE_WRITE)	980	const_eio (SYNC_FILE_RANGE_WRITE)
743	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
744		984
745	const_eio (READDIR_DENTS)	985	const_eio (READDIR_DENTS)
746	const_eio (READDIR_DIRS_FIRST)	986	const_eio (READDIR_DIRS_FIRST)
747	const_eio (READDIR_STAT_ORDER)	987	const_eio (READDIR_STAT_ORDER)
748	const_eio (READDIR_FOUND_UNKNOWN)	988	const_eio (READDIR_FOUND_UNKNOWN)
…		…
759	};	999	};
760		1000
761	aio_stash = gv_stashpv ("IO::AIO" , 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
762	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
763	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1003	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1004	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
764		1005
765	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1006	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
766	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1007	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
767		1008
768	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
769		1010
770	create_respipe ();	1011	reinit ();
771
772	if (eio_init (want_poll, done_poll) < 0)
773	croak ("IO::AIO: unable to initialise eio library");
774
775	/* atfork child called in fifo order, so before eio's handler */
776	X_THREAD_ATFORK (0, 0, atfork_child);
777	}	1012	}
778		1013
779	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
780	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
781	PROTOTYPE: $	1020	PROTOTYPE: $
782	CODE:	1021	CODE:
783	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
784		1023
785	void	1024	void
…		…
787	PROTOTYPE: $	1026	PROTOTYPE: $
788	CODE:	1027	CODE:
789	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
790		1029
791	void	1030	void
792	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
793	PROTOTYPE: $	1032	PROTOTYPE: $
794	CODE:	1033	CODE:
795	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
796		1035
797	void	1036	void
798	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
799	PROTOTYPE: $	1038	PROTOTYPE: $
800	CODE:	1039	CODE:
801	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
802		1041
803	void	1042	void
804	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
805	PROTOTYPE: $	1044	PROTOTYPE: $
806	CODE:	1045	CODE:
807	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
808		1047
809	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
810	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
811	PROTOTYPE: $	1056	PROTOTYPE: $
812	CODE:	1057	CODE:
813	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
814		1059
815	void	1060	void
		1061	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1062	PPCODE:
		1063	{
		1064	dREQ;
		1065
		1066	req->type = EIO_WD_OPEN;
		1067	req_set_path1 (req, pathname);
		1068
		1069	REQ_SEND;
		1070	}
		1071
		1072	void
816	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1073	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
817	PROTOTYPE: $$$;$
818	PPCODE:	1074	PPCODE:
819	{	1075	{
820	dREQ;	1076	dREQ;
821		1077
822	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
823	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
824	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	req->int1 = flags;	1080	req->int1 = flags;
826	req->int2 = mode;	1081	req->int2 = mode;
827		1082
828	REQ_SEND;	1083	REQ_SEND;
829	}	1084	}
830		1085
831	void	1086	void
832	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
833	PROTOTYPE: $;$
834	ALIAS:	1088	ALIAS:
835	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
836	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
837	PPCODE:	1092	PPCODE:
838	{	1093	{
839	int fd = s_fileno_croak (fh, 0);	1094	int fd = s_fileno_croak (fh, 0);
840	dREQ;	1095	dREQ;
841		1096
…		…
846	REQ_SEND (req);	1101	REQ_SEND (req);
847	}	1102	}
848		1103
849	void	1104	void
850	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
851	PROTOTYPE: $$$$;$
852	PPCODE:	1106	PPCODE:
853	{	1107	{
854	int fd = s_fileno_croak (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
855	dREQ;	1109	dREQ;
856		1110
…		…
863		1117
864	REQ_SEND (req);	1118	REQ_SEND (req);
865	}	1119	}
866		1120
867	void	1121	void
868	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1122	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
869	PROTOTYPE: $;$
870	PPCODE:	1123	PPCODE:
871	{	1124	{
872	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
873	int fd = s_fileno_croak (fh, 0);	1125	int fd = s_fileno_croak (fh, 0);
874	dREQ;	1126	dREQ;
875		1127
876	if (close_pipe < 0)	1128	req->type = EIO_FALLOCATE;
		1129	req->sv1 = newSVsv (fh);
		1130	req->int1 = fd;
		1131	req->int2 = mode;
		1132	req->offs = offset;
		1133	req->size = len;
		1134
		1135	REQ_SEND (req);
		1136	}
		1137
		1138	void
		1139	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1140	PPCODE:
		1141	{
		1142	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1143	int fd = s_fileno_croak (fh, 0);
		1144	dREQ;
		1145
		1146	if (expect_false (close_fd < 0))
877	{	1147	{
878	int pipefd [2];	1148	int pipefd [2];
879		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
880	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
881	|| close (pipefd [1]) < 0
882	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1155	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1156	#endif
		1157	|| close (pipefd [1]) < 0
		1158	)
883	abort (); /*D*/	1159	abort (); /*D*/
884		1160
885	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
886	}	1162	}
887		1163
888	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
889	req->int1 = close_pipe;	1165	req->int1 = close_fd;
890	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
891	req->int2 = fd;	1167	req->int2 = fd;
892		1168
893	REQ_SEND (req);	1169	REQ_SEND (req);
894	}	1170	}
…		…
896	void	1172	void
897	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1173	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
898	ALIAS:	1174	ALIAS:
899	aio_read = EIO_READ	1175	aio_read = EIO_READ
900	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
901	PROTOTYPE: $$$$$;$
902	PPCODE:	1177	PPCODE:
903	{	1178	{
904	STRLEN svlen;	1179	STRLEN svlen;
905	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
906	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
…		…
946	REQ_SEND;	1221	REQ_SEND;
947	}	1222	}
948	}	1223	}
949		1224
950	void	1225	void
951	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
952	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
953	PPCODE:	1230	PPCODE:
954	{	1231	{
955	SV *data;
956	dREQ;	1232	dREQ;
957		1233
958	req->type = EIO_READLINK;	1234	req->type = ix;
959	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
960	req->ptr1 = SvPVbyte_nolen (req->sv1);
961		1236
962	REQ_SEND;	1237	REQ_SEND;
963	}	1238	}
964		1239
965	void	1240	void
966	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1241	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
967	PROTOTYPE: $$$$;$
968	PPCODE:	1242	PPCODE:
969	{	1243	{
970	int ifd = s_fileno_croak (in_fh , 0);	1244	int ifd = s_fileno_croak (in_fh , 0);
971	int ofd = s_fileno_croak (out_fh, 1);	1245	int ofd = s_fileno_croak (out_fh, 1);
972	dREQ;	1246	dREQ;
…		…
982	REQ_SEND;	1256	REQ_SEND;
983	}	1257	}
984		1258
985	void	1259	void
986	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
987	PROTOTYPE: $$$;$
988	PPCODE:	1261	PPCODE:
989	{	1262	{
990	int fd = s_fileno_croak (fh, 0);	1263	int fd = s_fileno_croak (fh, 0);
991	dREQ;	1264	dREQ;
992		1265
…		…
1008	PPCODE:	1281	PPCODE:
1009	{	1282	{
1010	dREQ;	1283	dREQ;
1011		1284
1012	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
1013		1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1014	if (SvPOK (req->sv1))
1015	{
1016	req->type = ix;
1017	req->ptr1 = SvPVbyte_nolen (req->sv1);
1018	}
1019	else
1020	{
1021	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1022	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1023	}
1024
1025	REQ_SEND;	1287	REQ_SEND;
1026	}	1288	}
		1289
		1290	UV
		1291	major (UV dev)
		1292	ALIAS:
		1293	minor = 1
		1294	CODE:
		1295	RETVAL = ix ? major (dev) : minor (dev);
		1296	OUTPUT:
		1297	RETVAL
		1298
		1299	UV
		1300	makedev (UV maj, UV min)
		1301	CODE:
		1302	RETVAL = makedev (maj, min);
		1303	OUTPUT:
		1304	RETVAL
1027		1305
1028	void	1306	void
1029	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1307	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1030	PPCODE:	1308	PPCODE:
1031	{	1309	{
1032	dREQ;	1310	dREQ;
1033		1311
1034	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1035	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1036	req->sv1 = newSVsv (fh_or_path);	1314	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1037
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_UTIME;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FUTIME;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1315
1049	REQ_SEND;	1316	REQ_SEND;
1050	}	1317	}
1051		1318
1052	void	1319	void
1053	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1320	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1054	PPCODE:	1321	PPCODE:
1055	{	1322	{
1056	dREQ;	1323	dREQ;
1057		1324
1058	req->sv1 = newSVsv (fh_or_path);
1059	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1060		1326	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1061	if (SvPOK (req->sv1))
1062	{
1063	req->type = EIO_TRUNCATE;
1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
1065	}
1066	else
1067	{
1068	req->type = EIO_FTRUNCATE;
1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070	}
1071		1327
1072	REQ_SEND;	1328	REQ_SEND;
1073	}	1329	}
1074		1330
1075	void	1331	void
1076	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1332	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1077	ALIAS:
1078	aio_chmod = EIO_CHMOD
1079	aio_mkdir = EIO_MKDIR
1080	PPCODE:	1333	PPCODE:
1081	{	1334	{
1082	dREQ;	1335	dREQ;
1083		1336
1084	req->int2 = mode;	1337	req->int2 = mode;
1085	req->sv1 = newSVsv (fh_or_path);	1338	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1086
1087	if (SvPOK (req->sv1))
1088	{
1089	req->type = ix;
1090	req->ptr1 = SvPVbyte_nolen (req->sv1);
1091	}
1092	else
1093	{
1094	req->type = EIO_FCHMOD;
1095	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1096	}
1097		1339
1098	REQ_SEND;	1340	REQ_SEND;
1099	}	1341	}
1100		1342
1101	void	1343	void
…		…
1104	{	1346	{
1105	dREQ;	1347	dREQ;
1106		1348
1107	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1349	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1108	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1350	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1109	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1110
1111	if (SvPOK (req->sv1))
1112	{
1113	req->type = EIO_CHOWN;
1114	req->ptr1 = SvPVbyte_nolen (req->sv1);
1115	}
1116	else
1117	{
1118	req->type = EIO_FCHOWN;
1119	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1120	}
1121		1352
1122	REQ_SEND;	1353	REQ_SEND;
1123	}	1354	}
1124		1355
1125	void	1356	void
…		…
1127	PPCODE:	1358	PPCODE:
1128	{	1359	{
1129	dREQ;	1360	dREQ;
1130		1361
1131	req->type = EIO_READDIR;	1362	req->type = EIO_READDIR;
1132	req->sv1 = newSVsv (pathname);
1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
1134	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1363	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1135		1364
1136	if (flags & EIO_READDIR_DENTS)	1365	if (flags & EIO_READDIR_DENTS)
1137	req->int1 |= EIO_READDIR_CUSTOM2;	1366	req->int1 |= EIO_READDIR_CUSTOM2;
1138		1367
		1368	req_set_path1 (req, pathname);
		1369
1139	REQ_SEND;	1370	REQ_SEND;
		1371	}
		1372
		1373	void
		1374	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1375	PPCODE:
		1376	{
		1377	dREQ;
		1378
		1379	req->type = EIO_MKDIR;
		1380	req->int2 = mode;
		1381	req_set_path1 (req, pathname);
		1382
		1383	REQ_SEND;
1140	}	1384	}
1141		1385
1142	void	1386	void
1143	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1387	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1144	ALIAS:	1388	ALIAS:
…		…
1148	PPCODE:	1392	PPCODE:
1149	{	1393	{
1150	dREQ;	1394	dREQ;
1151		1395
1152	req->type = ix;	1396	req->type = ix;
1153	req->sv1 = newSVsv (pathname);	1397	req_set_path1 (req, pathname);
1154	req->ptr1 = SvPVbyte_nolen (req->sv1);
1155		1398
1156	REQ_SEND;	1399	REQ_SEND;
1157	}	1400	}
1158		1401
1159	void	1402	void
…		…
1163	aio_symlink = EIO_SYMLINK	1406	aio_symlink = EIO_SYMLINK
1164	aio_rename = EIO_RENAME	1407	aio_rename = EIO_RENAME
1165	PPCODE:	1408	PPCODE:
1166	{	1409	{
1167	dREQ;	1410	dREQ;
		1411	eio_wd wd2 = 0;
1168		1412
1169	req->type = ix;	1413	req->type = ix;
1170	req->sv1 = newSVsv (oldpath);	1414	req_set_path1 (req, oldpath);
1171	req->ptr1 = SvPVbyte_nolen (req->sv1);	1415	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1172	req->sv2 = newSVsv (newpath);	1416	req->int3 = (long)wd2;
1173	req->ptr2 = SvPVbyte_nolen (req->sv2);
1174		1417
1175	REQ_SEND;	1418	REQ_SEND;
1176	}	1419	}
1177		1420
1178	void	1421	void
…		…
1180	PPCODE:	1423	PPCODE:
1181	{	1424	{
1182	dREQ;	1425	dREQ;
1183		1426
1184	req->type = EIO_MKNOD;	1427	req->type = EIO_MKNOD;
1185	req->sv1 = newSVsv (pathname);
1186	req->ptr1 = SvPVbyte_nolen (req->sv1);
1187	req->int2 = (mode_t)mode;	1428	req->int2 = (mode_t)mode;
1188	req->offs = dev;	1429	req->offs = dev;
		1430	req_set_path1 (req, pathname);
1189		1431
1190	REQ_SEND;	1432	REQ_SEND;
1191	}	1433	}
1192		1434
1193	void	1435	void
1194	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1436	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1195	ALIAS:	1437	ALIAS:
1196	aio_mtouch = EIO_MTOUCH	1438	aio_mtouch = EIO_MTOUCH
1197	aio_msync = EIO_MSYNC	1439	aio_msync = EIO_MSYNC
1198	PROTOTYPE: $$$$;$
1199	PPCODE:	1440	PPCODE:
1200	{	1441	{
1201	STRLEN svlen;	1442	STRLEN svlen;
		1443	char *svptr = SvPVbyte (data, svlen);
1202	UV len = SvUV (length);	1444	UV len = SvUV (length);
1203	char *svptr = SvPVbyte (data, svlen);
1204		1445
1205	if (offset < 0)	1446	if (offset < 0)
1206	offset += svlen;	1447	offset += svlen;
1207		1448
1208	if (offset < 0 || offset > svlen)	1449	if (offset < 0 || offset > svlen)
…		…
1213		1454
1214	{	1455	{
1215	dREQ;	1456	dREQ;
1216		1457
1217	req->type = ix;	1458	req->type = ix;
1218	req->size = len;
1219	req->sv2 = SvREFCNT_inc (data);	1459	req->sv2 = SvREFCNT_inc (data);
1220	req->ptr2 = (char *)svptr + offset;	1460	req->ptr2 = (char *)svptr + offset;
		1461	req->size = len;
1221	req->int1 = flags;	1462	req->int1 = flags;
1222		1463
1223	REQ_SEND;	1464	REQ_SEND;
1224	}	1465	}
1225	}	1466	}
1226		1467
1227	void	1468	void
		1469	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1470	PPCODE:
		1471	{
		1472	STRLEN svlen;
		1473	char *svptr = SvPVbyte (data, svlen);
		1474	UV len = SvUV (length);
		1475
		1476	if (offset < 0)
		1477	offset += svlen;
		1478
		1479	if (offset < 0 || offset > svlen)
		1480	croak ("offset outside of scalar");
		1481
		1482	if (!SvOK (length) || len + offset > svlen)
		1483	len = svlen - offset;
		1484
		1485	{
		1486	dREQ;
		1487
		1488	req->type = EIO_MLOCK;
		1489	req->sv2 = SvREFCNT_inc (data);
		1490	req->ptr2 = (char *)svptr + offset;
		1491	req->size = len;
		1492
		1493	REQ_SEND;
		1494	}
		1495	}
		1496
		1497	void
		1498	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1499	PPCODE:
		1500	{
		1501	dREQ;
		1502
		1503	req->type = EIO_MLOCKALL;
		1504	req->int1 = flags;
		1505
		1506	REQ_SEND;
		1507	}
		1508
		1509	void
1228	aio_busy (double delay, SV *callback=&PL_sv_undef)	1510	aio_busy (double delay, SV *callback=&PL_sv_undef)
1229	PPCODE:	1511	PPCODE:
1230	{	1512	{
1231	dREQ;	1513	dREQ;
1232		1514
…		…
1236	REQ_SEND;	1518	REQ_SEND;
1237	}	1519	}
1238		1520
1239	void	1521	void
1240	aio_group (SV *callback=&PL_sv_undef)	1522	aio_group (SV *callback=&PL_sv_undef)
1241	PROTOTYPE: ;$
1242	PPCODE:	1523	PPCODE:
1243	{	1524	{
1244	dREQ;	1525	dREQ;
1245		1526
1246	req->type = EIO_GROUP;	1527	req->type = EIO_GROUP;
…		…
1263	REQ_SEND;	1544	REQ_SEND;
1264	}	1545	}
1265		1546
1266	int	1547	int
1267	aioreq_pri (int pri = 0)	1548	aioreq_pri (int pri = 0)
1268	PROTOTYPE: ;$
1269	CODE:	1549	CODE:
1270	RETVAL = next_pri;	1550	RETVAL = next_pri;
1271	if (items > 0)	1551	if (items > 0)
1272	{	1552	{
1273	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1553	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1285	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1565	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1286	next_pri = nice;	1566	next_pri = nice;
1287		1567
1288	void	1568	void
1289	flush ()	1569	flush ()
1290	PROTOTYPE:
1291	CODE:	1570	CODE:
1292	while (eio_nreqs ())	1571	while (eio_nreqs ())
1293	{	1572	{
1294	poll_wait ();	1573	poll_wait ();
1295	poll_cb ();	1574	poll_cb ();
1296	}	1575	}
1297		1576
1298	int	1577	int
1299	poll()	1578	poll ()
1300	PROTOTYPE:
1301	CODE:	1579	CODE:
1302	poll_wait ();	1580	poll_wait ();
1303	RETVAL = poll_cb ();	1581	RETVAL = poll_cb ();
1304	OUTPUT:	1582	OUTPUT:
1305	RETVAL	1583	RETVAL
1306		1584
1307	int	1585	int
1308	poll_fileno()	1586	poll_fileno ()
1309	PROTOTYPE:
1310	CODE:	1587	CODE:
1311	RETVAL = s_epipe_fd (&respipe);	1588	RETVAL = s_epipe_fd (&respipe);
1312	OUTPUT:	1589	OUTPUT:
1313	RETVAL	1590	RETVAL
1314		1591
1315	int	1592	int
1316	poll_cb(...)	1593	poll_cb (...)
1317	PROTOTYPE:	1594	PROTOTYPE:
1318	CODE:	1595	CODE:
1319	RETVAL = poll_cb ();	1596	RETVAL = poll_cb ();
1320	OUTPUT:	1597	OUTPUT:
1321	RETVAL	1598	RETVAL
1322		1599
1323	void	1600	void
1324	poll_wait()	1601	poll_wait ()
1325	PROTOTYPE:
1326	CODE:	1602	CODE:
1327	poll_wait ();	1603	poll_wait ();
1328		1604
1329	int	1605	int
1330	nreqs()	1606	nreqs ()
1331	PROTOTYPE:
1332	CODE:	1607	CODE:
1333	RETVAL = eio_nreqs ();	1608	RETVAL = eio_nreqs ();
1334	OUTPUT:	1609	OUTPUT:
1335	RETVAL	1610	RETVAL
1336		1611
1337	int	1612	int
1338	nready()	1613	nready ()
1339	PROTOTYPE:
1340	CODE:	1614	CODE:
1341	RETVAL = eio_nready ();	1615	RETVAL = eio_nready ();
1342	OUTPUT:	1616	OUTPUT:
1343	RETVAL	1617	RETVAL
1344		1618
1345	int	1619	int
1346	npending()	1620	npending ()
1347	PROTOTYPE:
1348	CODE:	1621	CODE:
1349	RETVAL = eio_npending ();	1622	RETVAL = eio_npending ();
1350	OUTPUT:	1623	OUTPUT:
1351	RETVAL	1624	RETVAL
1352		1625
1353	int	1626	int
1354	nthreads()	1627	nthreads ()
1355	PROTOTYPE:
1356	CODE:	1628	CODE:
1357	RETVAL = eio_nthreads ();	1629	RETVAL = eio_nthreads ();
1358	OUTPUT:	1630	OUTPUT:
1359	RETVAL	1631	RETVAL
1360		1632
1361	int	1633	int
1362	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1634	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1363	PROTOTYPE: $$$$
1364	CODE:	1635	CODE:
1365	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1366	RETVAL = posix_fadvise (fh, offset, length, advice);	1636	RETVAL = posix_fadvise (fh, offset, length, advice);
1367	#else
1368	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1369	#endif
1370	OUTPUT:	1637	OUTPUT:
1371	RETVAL	1638	RETVAL
1372		1639
1373	ssize_t	1640	IV
1374	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1641	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1375	PROTOTYPE: $$$$
1376	CODE:	1642	CODE:
1377	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1643	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378	OUTPUT:	1644	OUTPUT:
1379	RETVAL	1645	RETVAL
1380		1646
1381	void	1647	void
1382	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1648	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1383	PROTOTYPE: $$$$$;$
1384	PPCODE:	1649	PPCODE:
1385	sv_unmagic (scalar, MMAP_MAGIC);	1650	sv_unmagic (scalar, MMAP_MAGIC);
1386	{	1651	{
1387	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1652	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1653	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389	if (addr == (void *)-1)	1654	if (addr == (void *)-1)
1390	XSRETURN_NO;	1655	XSRETURN_NO;
1391		1656
		1657	sv_force_normal (scalar);
		1658
1392	/* we store the length in mg_obj, as namlen is I32 :/ */	1659	/* we store the length in mg_obj, as namlen is I32 :/ */
1393	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1660	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394	->mg_obj = (SV *)length;	1661	->mg_obj = (SV *)length;
1395		1662
1396	SvUPGRADE (scalar, SVt_PV); /* nop... */	1663	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1664
1397	if (!(prot & PROT_WRITE))	1665	if (!(prot & PROT_WRITE))
1398	SvREADONLY_on (scalar);	1666	SvREADONLY_on (scalar);
		1667
		1668	if (SvLEN (scalar))
		1669	Safefree (SvPVX (scalar));
1399		1670
1400	SvPVX (scalar) = (char *)addr;	1671	SvPVX (scalar) = (char *)addr;
1401	SvCUR_set (scalar, length);	1672	SvCUR_set (scalar, length);
1402	SvLEN_set (scalar, 0);	1673	SvLEN_set (scalar, 0);
1403	SvPOK_only (scalar);	1674	SvPOK_only (scalar);
…		…
1405	XSRETURN_YES;	1676	XSRETURN_YES;
1406	}	1677	}
1407		1678
1408	void	1679	void
1409	munmap (SV *scalar)	1680	munmap (SV *scalar)
1410	PROTOTYPE: $
1411	CODE:	1681	CODE:
1412	sv_unmagic (scalar, MMAP_MAGIC);	1682	sv_unmagic (scalar, MMAP_MAGIC);
1413		1683
1414	int	1684	int
1415	mlockall (int flags)	1685	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1416	PROTOTYPE: $	1686	ALIAS:
		1687	mprotect = 1
1417	CODE:	1688	CODE:
		1689	{
		1690	STRLEN svlen;
		1691	void *addr = SvPVbyte (scalar, svlen);
		1692	size_t len = SvUV (length);
		1693
		1694	if (offset < 0)
		1695	offset += svlen;
		1696
		1697	if (offset < 0 || offset > svlen)
		1698	croak ("offset outside of scalar");
		1699
		1700	if (!SvOK (length) || len + offset > svlen)
		1701	len = svlen - offset;
		1702
		1703	addr = (void *)(((intptr_t)addr) + offset);
		1704	eio_page_align (&addr, &len);
		1705
		1706	switch (ix)
		1707	{
		1708	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1709	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1710	}
		1711	}
		1712	OUTPUT:
		1713	RETVAL
		1714
		1715	int
		1716	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1717	CODE:
		1718	{
		1719	STRLEN svlen;
		1720	void *addr = SvPVbyte (scalar, svlen);
		1721	size_t len = SvUV (length);
		1722
		1723	if (offset < 0)
		1724	offset += svlen;
		1725
		1726	if (offset < 0 || offset > svlen)
		1727	croak ("offset outside of scalar");
		1728
		1729	if (!SvOK (length) || len + offset > svlen)
		1730	len = svlen - offset;
		1731
		1732	addr = (void *)(((intptr_t)addr) + offset);
		1733	eio_page_align (&addr, &len);
1418	#if _POSIX_MEMLOCK	1734	#if _POSIX_MEMLOCK_RANGE
1419	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1735	RETVAL = munlock (addr, len);
1420	extern int mallopt (int, int);
1421	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1422	#endif
1423	mlockall (flags);
1424	#else	1736	#else
1425	RETVAL = -1;	1737	RETVAL = ((errno = ENOSYS), -1);
1426	errno = ENOSYS;
1427	#endif	1738	#endif
		1739	}
1428	OUTPUT:	1740	OUTPUT:
1429	RETVAL	1741	RETVAL
1430		1742
1431	int	1743	int
1432	munlockall ()	1744	munlockall ()
1433	PROTOTYPE:
1434	CODE:	1745	CODE:
1435	#if _POSIX_MEMLOCK	1746	#if _POSIX_MEMLOCK
1436	munlockall ();	1747	munlockall ();
1437	#else	1748	#else
1438	RETVAL = -1;	1749	RETVAL = -1;
…		…
1446	SvREFCNT_dec (on_next_submit);	1757	SvREFCNT_dec (on_next_submit);
1447	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1758	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1448		1759
1449	PROTOTYPES: DISABLE	1760	PROTOTYPES: DISABLE
1450		1761
		1762	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1763
		1764	BOOT:
		1765	{
		1766	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1767	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1768	}
		1769
		1770	void
		1771	DESTROY (SV *self)
		1772	CODE:
		1773	{
		1774	aio_wd wd = SvAIO_WD (self);
		1775	#if HAVE_AT
		1776	SV *callback = &PL_sv_undef;
		1777	dREQ; /* clobbers next_pri :/ */
		1778	req->type = EIO_WD_CLOSE;
		1779	req->wd = wd;
		1780	REQ_SEND;
		1781	#else
		1782	eio_wd_close_sync (wd);
		1783	#endif
		1784	}
		1785
1451	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1786	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1452		1787
1453	void	1788	void
1454	cancel (aio_req_ornot req)	1789	cancel (aio_req_ornot req)
1455	CODE:	1790	CODE:

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