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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC vs.
Revision 1.196 by root, Tue Sep 27 00:41:51 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	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"
124
125	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144
145	#ifndef ST_NODEV
146	# define ST_NODEV 0
147	#endif
148	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0
150	#endif
151	#ifndef ST_SYNCHRONOUS
152	# define ST_SYNCHRONOUS 0
153	#endif
154	#ifndef ST_MANDLOCK
155	# define ST_MANDLOCK 0
156	#endif
157	#ifndef ST_WRITE
158	# define ST_WRITE 0
159	#endif
160	#ifndef ST_APPEND
161	# define ST_APPEND 0
162	#endif
163	#ifndef ST_IMMUTABLE
164	# define ST_IMMUTABLE 0
165	#endif
166	#ifndef ST_NOATIME
167	# define ST_NOATIME 0
168	#endif
169	#ifndef ST_NODIRATIME
170	# define ST_NODIRATIME 0
171	#endif
172	#ifndef ST_RELATIME
173	# define ST_RELATIME 0
174	#endif
175
176	#ifndef MCL_CURRENT
177	# define MCL_CURRENT 0
178	#endif
179	#ifndef MCL_FUTURE
180	# define MCL_FUTURE 0
181	#endif
182		120
183	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
184	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
185	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
186	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
187		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
		173
		174	#ifndef POSIX_FADV_NORMAL
		175	# define POSIX_FADV_NORMAL 0
		176	#endif
		177	#ifndef POSIX_FADV_SEQUENTIAL
		178	# define POSIX_FADV_SEQUENTIAL 0
		179	#endif
		180	#ifndef POSIX_FADV_RANDOM
		181	# define POSIX_FADV_RANDOM 0
		182	#endif
		183	#ifndef POSIX_FADV_NOREUSE
		184	# define POSIX_FADV_NOREUSE 0
		185	#endif
		186	#ifndef POSIX_FADV_WILLNEED
		187	# define POSIX_FADV_WILLNEED 0
		188	#endif
		189	#ifndef POSIX_FADV_DONTNEED
		190	# define POSIX_FADV_DONTNEED 0
		191	#endif
		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
		236	#ifndef ST_NODEV
		237	# define ST_NODEV 0
		238	#endif
		239	#ifndef ST_NOEXEC
		240	# define ST_NOEXEC 0
		241	#endif
		242	#ifndef ST_SYNCHRONOUS
		243	# define ST_SYNCHRONOUS 0
		244	#endif
		245	#ifndef ST_MANDLOCK
		246	# define ST_MANDLOCK 0
		247	#endif
		248	#ifndef ST_WRITE
		249	# define ST_WRITE 0
		250	#endif
		251	#ifndef ST_APPEND
		252	# define ST_APPEND 0
		253	#endif
		254	#ifndef ST_IMMUTABLE
		255	# define ST_IMMUTABLE 0
		256	#endif
		257	#ifndef ST_NOATIME
		258	# define ST_NOATIME 0
		259	#endif
		260	#ifndef ST_NODIRATIME
		261	# define ST_NODIRATIME 0
		262	#endif
		263	#ifndef ST_RELATIME
		264	# define ST_RELATIME 0
		265	#endif
		266
		267	#ifndef S_IFIFO
		268	# define S_IFIFO 0
		269	#endif
		270	#ifndef S_IFCHR
		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
		290	#endif
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#endif
		299	#ifndef MAP_HUGETLB
		300	# define MAP_HUGETLB 0
		301	#endif
		302	#ifndef MAP_LOCKED
		303	# define MAP_LOCKED 0
		304	#endif
		305	#ifndef MAP_NORESERVE
		306	# define MAP_NORESERVE 0
		307	#endif
		308	#ifndef MAP_POPULATE
		309	# define MAP_POPULATE 0
		310	#endif
		311	#ifndef MAP_NONBLOCK
		312	# define MAP_NONBLOCK 0
		313	#endif
		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
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
		328
188	enum {	329	enum {
189	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
190	};	331	};
191		332
192	#include "libeio/eio.c"
193
194	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
195	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
196		336
197	static SV *on_next_submit;	337	static SV *on_next_submit;
198	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
199	static int max_outstanding;	339	static int max_outstanding;
200		340
…		…
225	}	365	}
226		366
227	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
228	}	368	}
229		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
230	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
231	{	377	{
232	MAGIC *mg;	378	MAGIC *mg;
233		379
234	if (!SvROK (sv)	380	if (!SvROK (sv)
…		…
238	croak ("object of class IO::AIO::REQ expected");	384	croak ("object of class IO::AIO::REQ expected");
239		385
240	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
241		387
242	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));
243	}	399	}
244		400
245	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
246	{	402	{
247	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
277	}	433	}
278	}	434	}
279		435
280	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
281	{	437	{
282	dSP;
283
284	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
285	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
286		440
287	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
288	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
289	ENTER;	447	ENTER;
290	SAVETMPS;	448	SAVETMPS;
291	PUSHMARK (SP);	449	PUSHMARK (SP);
292	EXTEND (SP, 1);	450	EXTEND (SP, 1);
293		451
		452	/* do not recreate the result IV from scratch each time */
		453	if (expect_true (sv_result_cache))
		454	{
		455	sv_result = sv_result_cache; sv_result_cache = 0;
		456	SvIV_set (sv_result, req->result);
		457	SvIOK_only (sv_result);
		458	}
		459	else
		460	{
		461	sv_result = newSViv (req->result);
		462	SvREADONLY_on (sv_result);
		463	}
		464
294	switch (req->type)	465	switch (req->type)
295	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
296	case EIO_READDIR:	471	case EIO_READDIR:
297	{	472	{
298	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
299		474
300	if (req->result >= 0)	475	if (req->result >= 0)
…		…
388	case EIO_STATVFS:	563	case EIO_STATVFS:
389	case EIO_FSTATVFS:	564	case EIO_FSTATVFS:
390	{	565	{
391	SV *rv = &PL_sv_undef;	566	SV *rv = &PL_sv_undef;
392		567
		568	#ifndef _WIN32
393	if (req->result >= 0)	569	if (req->result >= 0)
394	{	570	{
395	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
396	HV *hv = newHV ();	572	HV *hv = newHV ();
397		573
…		…
407	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);
408	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);
409	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);
410	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);
411	}	587	}
		588	#endif
412		589
413	PUSHs (rv);	590	PUSHs (rv);
414	}	591	}
415		592
416	break;	593	break;
…		…
432	case EIO_NOP:	609	case EIO_NOP:
433	case EIO_BUSY:	610	case EIO_BUSY:
434	break;	611	break;
435		612
436	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
437	if (req->result > 0)	615	if (req->result > 0)
438	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
439	break;	617	break;
440		618
441	case EIO_STAT:	619	case EIO_STAT:
442	case EIO_LSTAT:	620	case EIO_LSTAT:
443	case EIO_FSTAT:	621	case EIO_FSTAT:
444	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
445	PL_laststatval = req->result;	623	PL_laststatval = req->result;
		624	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
446	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	625	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
447	PUSHs (sv_2mortal (newSViv (req->result)));	626	PUSHs (sv_result);
448	break;	627	break;
449		628
450	case EIO_READ:	629	case EIO_READ:
451	{	630	{
452	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	631	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
453	*SvEND (req->sv2) = 0;	632	*SvEND (req->sv2) = 0;
454	SvPOK_only (req->sv2);	633	SvPOK_only (req->sv2);
455	SvSETMAGIC (req->sv2);	634	SvSETMAGIC (req->sv2);
456	PUSHs (sv_2mortal (newSViv (req->result)));	635	PUSHs (sv_result);
457	}	636	}
458	break;	637	break;
459		638
460	case EIO_DUP2:	639	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
461	if (req->result > 0)	640	if (req->result > 0)
462	req->result = 0;	641	SvIV_set (sv_result, 0);
463	/* FALLTHROUGH */	642	/* FALLTHROUGH */
464		643
465	default:	644	default:
466	PUSHs (sv_2mortal (newSViv (req->result)));	645	PUSHs (sv_result);
467	break;	646	break;
468	}	647	}
469		648
470	errno = req->errorno;	649	errno = req->errorno;
471		650
472	PUTBACK;	651	PUTBACK;
473	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	652	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
474	SPAGAIN;	653	SPAGAIN;
		654
		655	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		656	SvREFCNT_dec (sv_result);
		657	else
		658	sv_result_cache = sv_result;
475		659
476	FREETMPS;	660	FREETMPS;
477	LEAVE;	661	LEAVE;
478		662
479	PUTBACK;	663	PUTBACK;
…		…
490	SvREFCNT_dec (req->self);	674	SvREFCNT_dec (req->self);
491	}	675	}
492		676
493	SvREFCNT_dec (req->sv1);	677	SvREFCNT_dec (req->sv1);
494	SvREFCNT_dec (req->sv2);	678	SvREFCNT_dec (req->sv2);
		679	SvREFCNT_dec (req->sv3);
		680	SvREFCNT_dec (req->sv4);
495	SvREFCNT_dec (req->callback);	681	SvREFCNT_dec (req->callback);
496		682
497	Safefree (req);	683	Safefree (req);
498	}	684	}
499		685
500	static void req_cancel_subs (aio_req grp)	686	static void req_cancel_subs (aio_req grp)
501	{	687	{
502	aio_req sub;
503
504	if (grp->type != EIO_GROUP)	688	if (grp->type != EIO_GROUP)
505	return;	689	return;
506		690
507	SvREFCNT_dec (grp->sv2);	691	SvREFCNT_dec (grp->sv2);
508	grp->sv2 = 0;	692	grp->sv2 = 0;
509		693
510	eio_grp_cancel (grp);	694	eio_grp_cancel (grp);
511	}	695	}
512		696
513	static void
514	create_respipe (void)	697	static void create_respipe (void)
515	{	698	{
516	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
517	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
518	}	701	}
519		702
…		…
550		733
551	poll_wait ();	734	poll_wait ();
552	}	735	}
553	}	736	}
554		737
555	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
556	{	740	{
557	create_respipe ();	741	create_respipe ();
558	}
559		742
560	static SV *	743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
		745	}
		746
		747	/*****************************************************************************/
		748
		749	#if !_POSIX_MAPPED_FILES
		750	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		751	# define munmap(addr,length) (errno = ENOSYS, -1)
		752	#endif
		753
		754	#if !_POSIX_MEMORY_PROTECTION
		755	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		756	# define PROT_NONE 0
		757	# define PROT_WRITE 0
		758	# define MAP_PRIVATE 0
		759	# define MAP_SHARED 0
		760	# define MAP_FIXED 0
		761	#endif
		762
		763	#define MMAP_MAGIC PERL_MAGIC_ext
		764
		765	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		766	{
		767	int old_errno = errno;
		768	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		769	errno = old_errno;
		770
		771	mg->mg_obj = 0; /* just in case */
		772
		773	SvREADONLY_off (sv);
		774
		775	if (SvPVX (sv) != mg->mg_ptr)
		776	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		777
		778	SvCUR_set (sv, 0);
		779	SvPVX (sv) = 0;
		780	SvOK_off (sv);
		781
		782	return 0;
		783	}
		784
		785	static MGVTBL mmap_vtbl = {
		786	0, 0, 0, 0, mmap_free
		787	};
		788
		789	/*****************************************************************************/
		790
561	get_cb (SV *cb_sv)	791	static SV * get_cb (SV *cb_sv)
562	{	792	{
563	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
564	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
565	}	795	}
566		796
…		…
585	SPAGAIN; \	815	SPAGAIN; \
586	\	816	\
587	if (GIMME_V != G_VOID) \	817	if (GIMME_V != G_VOID) \
588	XPUSHs (req_sv (req, aio_req_stash));	818	XPUSHs (req_sv (req, aio_req_stash));
589		819
		820	static void
		821	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		822	{
		823	if (SvROK (path))
		824	{
		825	AV *av = (AV *)SvRV (path);
		826	SV *wdob;
		827
		828	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		829	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		830
		831	path = AvARRAY (av)[1];
		832	wdob = AvARRAY (av)[0];
		833
		834	if (SvOK (wdob))
		835	{
		836	*wd = SvAIO_WD (wdob);
		837	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		838	}
		839	else
		840	*wd = EIO_INVALID_WD;
		841	}
		842
		843	*pathsv = newSVsv (path);
		844	*ptr = SvPVbyte_nolen (*pathsv);
		845	}
		846
		847	static void
		848	req_set_path1 (aio_req req, SV *path)
		849	{
		850	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		851	}
		852
		853	static void
		854	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		855	{
		856	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		857
		858	switch (SvTYPE (rv))
		859	{
		860	case SVt_PVIO:
		861	case SVt_PVLV:
		862	case SVt_PVGV:
		863	req->type = type_fh;
		864	req->sv1 = newSVsv (fh_or_path);
		865	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		866	break;
		867
		868	default:
		869	req->type = type_path;
		870	req_set_path1 (req, fh_or_path);
		871	break;
		872	}
		873
		874	}
		875
590	MODULE = IO::AIO PACKAGE = IO::AIO	876	MODULE = IO::AIO PACKAGE = IO::AIO
591		877
592	PROTOTYPES: ENABLE	878	PROTOTYPES: ENABLE
593		879
594	BOOT:	880	BOOT:
595	{	881	{
596	static const struct {	882	static const struct {
597	const char *name;	883	const char *name;
598	IV iv;	884	IV iv;
599	} *civ, const_iv[] = {	885	} *civ, const_iv[] = {
600	# define const_iv(name, value) { # name, (IV) value },	886	# define const_niv(name, value) { # name, (IV) value },
		887	# define const_iv(name) { # name, (IV) name },
601	# define const_eio(name) { # name, (IV) EIO_ ## name },	888	# define const_eio(name) { # name, (IV) EIO_ ## name },
602	const_iv (EXDEV , EXDEV)	889	const_iv (EXDEV)
603	const_iv (ENOSYS , ENOSYS)	890	const_iv (ENOSYS)
604	const_iv (O_RDONLY, O_RDONLY)	891	const_iv (O_RDONLY)
605	const_iv (O_WRONLY, O_WRONLY)	892	const_iv (O_WRONLY)
		893	const_iv (O_RDWR)
606	const_iv (O_CREAT , O_CREAT)	894	const_iv (O_CREAT)
607	const_iv (O_TRUNC , O_TRUNC)	895	const_iv (O_TRUNC)
608	#ifndef _WIN32	896	const_iv (O_EXCL)
		897	const_iv (O_APPEND)
		898
		899	const_iv (O_ASYNC)
		900	const_iv (O_DIRECT)
		901	const_iv (O_NOATIME)
		902
		903	const_iv (O_CLOEXEC)
		904	const_iv (O_NOCTTY)
		905	const_iv (O_NOFOLLOW)
		906	const_iv (O_NONBLOCK)
		907	const_iv (O_EXEC)
		908	const_iv (O_SEARCH)
		909	const_iv (O_DIRECTORY)
		910	const_iv (O_DSYNC)
		911	const_iv (O_RSYNC)
		912	const_iv (O_SYNC)
		913	const_iv (O_TTY_INIT)
		914
609	const_iv (S_IFIFO , S_IFIFO)	915	const_iv (S_IFIFO)
610	#endif	916	const_iv (S_IFCHR)
		917	const_iv (S_IFBLK)
		918	const_iv (S_IFLNK)
		919	const_iv (S_IFREG)
		920	const_iv (S_IFDIR)
		921	const_iv (S_IFWHT)
		922	const_iv (S_IFSOCK)
		923	const_iv (S_IFMT)
		924
611	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	925	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
612	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	926	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
613	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	927	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
614	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	928	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
615	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	929	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
616	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	930	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
617		931
618	const_iv (ST_RDONLY , ST_RDONLY)	932	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
619	const_iv (ST_NOSUID , ST_NOSUID)	933	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
620	const_iv (ST_NODEV , ST_NODEV)	934	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
621	const_iv (ST_NOEXEC , ST_NOEXEC)	935	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		936	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		937
		938	const_iv (ST_RDONLY)
		939	const_iv (ST_NOSUID)
		940	const_iv (ST_NODEV)
		941	const_iv (ST_NOEXEC)
622	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)	942	const_iv (ST_SYNCHRONOUS)
623	const_iv (ST_MANDLOCK , ST_MANDLOCK)	943	const_iv (ST_MANDLOCK)
624	const_iv (ST_WRITE , ST_WRITE)	944	const_iv (ST_WRITE)
625	const_iv (ST_APPEND , ST_APPEND)	945	const_iv (ST_APPEND)
626	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)	946	const_iv (ST_IMMUTABLE)
627	const_iv (ST_NOATIME , ST_NOATIME)	947	const_iv (ST_NOATIME)
628	const_iv (ST_NODIRATIME , ST_NODIRATIME)	948	const_iv (ST_NODIRATIME)
629	const_iv (ST_RELATIME , ST_RELATIME)	949	const_iv (ST_RELATIME)
630		950
631	const_iv (MCL_FUTURE , MCL_FUTURE)	951	const_iv (PROT_NONE)
632	const_iv (MCL_CURRENT , MCL_CURRENT)	952	const_iv (PROT_EXEC)
		953	const_iv (PROT_READ)
		954	const_iv (PROT_WRITE)
		955
		956	/*const_iv (MAP_FIXED)*/
		957	const_iv (MAP_PRIVATE)
		958	const_iv (MAP_SHARED)
		959	const_iv (MAP_ANONYMOUS)
		960
		961	/* linuxish */
		962	const_iv (MAP_HUGETLB)
		963	const_iv (MAP_LOCKED)
		964	const_iv (MAP_NORESERVE)
		965	const_iv (MAP_POPULATE)
		966	const_iv (MAP_NONBLOCK)
		967
		968	const_eio (MCL_FUTURE)
		969	const_eio (MCL_CURRENT)
633		970
634	const_eio (MS_ASYNC)	971	const_eio (MS_ASYNC)
635	const_eio (MS_INVALIDATE)	972	const_eio (MS_INVALIDATE)
636	const_eio (MS_SYNC)	973	const_eio (MS_SYNC)
637		974
638	const_eio (MT_MODIFY)	975	const_eio (MT_MODIFY)
639		976
640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	977	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641	const_eio (SYNC_FILE_RANGE_WRITE)	978	const_eio (SYNC_FILE_RANGE_WRITE)
642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	979	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		980
		981	const_eio (FALLOC_FL_KEEP_SIZE)
643		982
644	const_eio (READDIR_DENTS)	983	const_eio (READDIR_DENTS)
645	const_eio (READDIR_DIRS_FIRST)	984	const_eio (READDIR_DIRS_FIRST)
646	const_eio (READDIR_STAT_ORDER)	985	const_eio (READDIR_STAT_ORDER)
647	const_eio (READDIR_FOUND_UNKNOWN)	986	const_eio (READDIR_FOUND_UNKNOWN)
…		…
658	};	997	};
659		998
660	aio_stash = gv_stashpv ("IO::AIO" , 1);	999	aio_stash = gv_stashpv ("IO::AIO" , 1);
661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1000	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1001	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1002	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
663		1003
664	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1004	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1005	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666		1006
667	create_respipe ();	1007	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668		1008
669	if (eio_init (want_poll, done_poll) < 0)	1009	reinit ();
670	croak ("IO::AIO: unable to initialise eio library");
671
672	/* atfork child called in fifo order, so before eio's handler */
673	X_THREAD_ATFORK (0, 0, atfork_child);
674	}	1010	}
675		1011
676	void	1012	void
		1013	reinit ()
		1014	PROTOTYPE:
		1015
		1016	void
677	max_poll_reqs (int nreqs)	1017	max_poll_reqs (unsigned int nreqs)
678	PROTOTYPE: $	1018	PROTOTYPE: $
679	CODE:	1019	CODE:
680	eio_set_max_poll_reqs (nreqs);	1020	eio_set_max_poll_reqs (nreqs);
681		1021
682	void	1022	void
…		…
684	PROTOTYPE: $	1024	PROTOTYPE: $
685	CODE:	1025	CODE:
686	eio_set_max_poll_time (nseconds);	1026	eio_set_max_poll_time (nseconds);
687		1027
688	void	1028	void
689	min_parallel (int nthreads)	1029	min_parallel (unsigned int nthreads)
690	PROTOTYPE: $	1030	PROTOTYPE: $
691	CODE:	1031	CODE:
692	eio_set_min_parallel (nthreads);	1032	eio_set_min_parallel (nthreads);
693		1033
694	void	1034	void
695	max_parallel (int nthreads)	1035	max_parallel (unsigned int nthreads)
696	PROTOTYPE: $	1036	PROTOTYPE: $
697	CODE:	1037	CODE:
698	eio_set_max_parallel (nthreads);	1038	eio_set_max_parallel (nthreads);
699		1039
700	void	1040	void
701	max_idle (int nthreads)	1041	max_idle (unsigned int nthreads)
702	PROTOTYPE: $	1042	PROTOTYPE: $
703	CODE:	1043	CODE:
704	eio_set_max_idle (nthreads);	1044	eio_set_max_idle (nthreads);
705		1045
706	void	1046	void
		1047	idle_timeout (unsigned int seconds)
		1048	PROTOTYPE: $
		1049	CODE:
		1050	eio_set_idle_timeout (seconds);
		1051
		1052	void
707	max_outstanding (int maxreqs)	1053	max_outstanding (unsigned int maxreqs)
708	PROTOTYPE: $	1054	PROTOTYPE: $
709	CODE:	1055	CODE:
710	max_outstanding = maxreqs;	1056	max_outstanding = maxreqs;
711		1057
712	void	1058	void
		1059	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1060	PPCODE:
		1061	{
		1062	dREQ;
		1063
		1064	req->type = EIO_WD_OPEN;
		1065	req_set_path1 (req, pathname);
		1066
		1067	REQ_SEND;
		1068	}
		1069
		1070	void
713	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1071	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714	PROTOTYPE: $$$;$
715	PPCODE:	1072	PPCODE:
716	{	1073	{
717	dREQ;	1074	dREQ;
718		1075
719	req->type = EIO_OPEN;	1076	req->type = EIO_OPEN;
720	req->sv1 = newSVsv (pathname);	1077	req_set_path1 (req, pathname);
721	req->ptr1 = SvPVbyte_nolen (req->sv1);
722	req->int1 = flags;	1078	req->int1 = flags;
723	req->int2 = mode;	1079	req->int2 = mode;
724		1080
725	REQ_SEND;	1081	REQ_SEND;
726	}	1082	}
727		1083
728	void	1084	void
729	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1085	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730	PROTOTYPE: $;$
731	ALIAS:	1086	ALIAS:
732	aio_fsync = EIO_FSYNC	1087	aio_fsync = EIO_FSYNC
733	aio_fdatasync = EIO_FDATASYNC	1088	aio_fdatasync = EIO_FDATASYNC
		1089	aio_syncfs = EIO_SYNCFS
734	PPCODE:	1090	PPCODE:
735	{	1091	{
736	int fd = s_fileno_croak (fh, 0);	1092	int fd = s_fileno_croak (fh, 0);
737	dREQ;	1093	dREQ;
738		1094
…		…
743	REQ_SEND (req);	1099	REQ_SEND (req);
744	}	1100	}
745		1101
746	void	1102	void
747	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1103	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748	PROTOTYPE: $$$$;$
749	PPCODE:	1104	PPCODE:
750	{	1105	{
751	int fd = s_fileno_croak (fh, 0);	1106	int fd = s_fileno_croak (fh, 0);
752	dREQ;	1107	dREQ;
753		1108
…		…
760		1115
761	REQ_SEND (req);	1116	REQ_SEND (req);
762	}	1117	}
763		1118
764	void	1119	void
765	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1120	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
766	PROTOTYPE: $;$
767	PPCODE:	1121	PPCODE:
768	{	1122	{
769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770	int fd = s_fileno_croak (fh, 0);	1123	int fd = s_fileno_croak (fh, 0);
771	dREQ;	1124	dREQ;
772		1125
773	if (close_pipe < 0)	1126	req->type = EIO_FALLOCATE;
		1127	req->sv1 = newSVsv (fh);
		1128	req->int1 = fd;
		1129	req->int2 = mode;
		1130	req->offs = offset;
		1131	req->size = len;
		1132
		1133	REQ_SEND (req);
		1134	}
		1135
		1136	void
		1137	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1138	PPCODE:
		1139	{
		1140	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1141	int fd = s_fileno_croak (fh, 0);
		1142	dREQ;
		1143
		1144	if (expect_false (close_fd < 0))
774	{	1145	{
775	int pipefd [2];	1146	int pipefd [2];
776		1147
		1148	if (
		1149	#ifdef _WIN32
		1150	_pipe (pipefd, 1, _O_BINARY) < 0
		1151	#else
777	if (pipe (pipefd) < 0	1152	pipe (pipefd) < 0
778	|| close (pipefd [1]) < 0
779	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1153	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1154	#endif
		1155	|| close (pipefd [1]) < 0
		1156	)
780	abort (); /*D*/	1157	abort (); /*D*/
781		1158
782	close_pipe = pipefd [0];	1159	close_fd = pipefd [0];
783	}	1160	}
784		1161
785	req->type = EIO_DUP2;	1162	req->type = EIO_DUP2;
786	req->int1 = close_pipe;	1163	req->int1 = close_fd;
787	req->sv2 = newSVsv (fh);	1164	req->sv2 = newSVsv (fh);
788	req->int2 = fd;	1165	req->int2 = fd;
789		1166
790	REQ_SEND (req);	1167	REQ_SEND (req);
791	}	1168	}
…		…
793	void	1170	void
794	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1171	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795	ALIAS:	1172	ALIAS:
796	aio_read = EIO_READ	1173	aio_read = EIO_READ
797	aio_write = EIO_WRITE	1174	aio_write = EIO_WRITE
798	PROTOTYPE: $$$$$;$
799	PPCODE:	1175	PPCODE:
800	{	1176	{
801	STRLEN svlen;	1177	STRLEN svlen;
802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1178	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803	char *svptr = SvPVbyte (data, svlen);	1179	char *svptr = SvPVbyte (data, svlen);
…		…
843	REQ_SEND;	1219	REQ_SEND;
844	}	1220	}
845	}	1221	}
846		1222
847	void	1223	void
848	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1224	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
849	PROTOTYPE: $$;$	1225	ALIAS:
		1226	aio_readlink = EIO_READLINK
		1227	aio_realpath = EIO_REALPATH
850	PPCODE:	1228	PPCODE:
851	{	1229	{
852	SV *data;
853	dREQ;	1230	dREQ;
854		1231
855	req->type = EIO_READLINK;	1232	req->type = ix;
856	req->sv1 = newSVsv (path);	1233	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858		1234
859	REQ_SEND;	1235	REQ_SEND;
860	}	1236	}
861		1237
862	void	1238	void
863	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1239	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864	PROTOTYPE: $$$$;$
865	PPCODE:	1240	PPCODE:
866	{	1241	{
867	int ifd = s_fileno_croak (in_fh , 0);	1242	int ifd = s_fileno_croak (in_fh , 0);
868	int ofd = s_fileno_croak (out_fh, 1);	1243	int ofd = s_fileno_croak (out_fh, 1);
869	dREQ;	1244	dREQ;
…		…
879	REQ_SEND;	1254	REQ_SEND;
880	}	1255	}
881		1256
882	void	1257	void
883	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1258	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884	PROTOTYPE: $$$;$
885	PPCODE:	1259	PPCODE:
886	{	1260	{
887	int fd = s_fileno_croak (fh, 0);	1261	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1262	dREQ;
889		1263
…		…
905	PPCODE:	1279	PPCODE:
906	{	1280	{
907	dREQ;	1281	dREQ;
908		1282
909	req->sv1 = newSVsv (fh_or_path);	1283	req->sv1 = newSVsv (fh_or_path);
910		1284	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
911	if (SvPOK (req->sv1))
912	{
913	req->type = ix;
914	req->ptr1 = SvPVbyte_nolen (req->sv1);
915	}
916	else
917	{
918	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
919	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
920	}
921
922	REQ_SEND;	1285	REQ_SEND;
923	}	1286	}
		1287
		1288	UV
		1289	major (UV dev)
		1290	ALIAS:
		1291	minor = 1
		1292	CODE:
		1293	RETVAL = ix ? major (dev) : minor (dev);
		1294	OUTPUT:
		1295	RETVAL
		1296
		1297	UV
		1298	makedev (UV maj, UV min)
		1299	CODE:
		1300	RETVAL = makedev (maj, min);
		1301	OUTPUT:
		1302	RETVAL
924		1303
925	void	1304	void
926	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1305	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927	PPCODE:	1306	PPCODE:
928	{	1307	{
929	dREQ;	1308	dREQ;
930		1309
931	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1310	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
932	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1311	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
933	req->sv1 = newSVsv (fh_or_path);	1312	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
934
935	if (SvPOK (req->sv1))
936	{
937	req->type = EIO_UTIME;
938	req->ptr1 = SvPVbyte_nolen (req->sv1);
939	}
940	else
941	{
942	req->type = EIO_FUTIME;
943	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
944	}
945		1313
946	REQ_SEND;	1314	REQ_SEND;
947	}	1315	}
948		1316
949	void	1317	void
950	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1318	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
951	PPCODE:	1319	PPCODE:
952	{	1320	{
953	dREQ;	1321	dREQ;
954		1322
955	req->sv1 = newSVsv (fh_or_path);
956	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1323	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
957		1324	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
958	if (SvPOK (req->sv1))
959	{
960	req->type = EIO_TRUNCATE;
961	req->ptr1 = SvPVbyte_nolen (req->sv1);
962	}
963	else
964	{
965	req->type = EIO_FTRUNCATE;
966	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
967	}
968		1325
969	REQ_SEND;	1326	REQ_SEND;
970	}	1327	}
971		1328
972	void	1329	void
…		…
977	PPCODE:	1334	PPCODE:
978	{	1335	{
979	dREQ;	1336	dREQ;
980		1337
981	req->int2 = mode;	1338	req->int2 = mode;
982	req->sv1 = newSVsv (fh_or_path);	1339	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
983
984	if (SvPOK (req->sv1))
985	{
986	req->type = ix;
987	req->ptr1 = SvPVbyte_nolen (req->sv1);
988	}
989	else
990	{
991	req->type = EIO_FCHMOD;
992	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
993	}
994		1340
995	REQ_SEND;	1341	REQ_SEND;
996	}	1342	}
997		1343
998	void	1344	void
…		…
1001	{	1347	{
1002	dREQ;	1348	dREQ;
1003		1349
1004	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1350	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1005	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1351	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1006	req->sv1 = newSVsv (fh_or_path);	1352	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1007
1008	if (SvPOK (req->sv1))
1009	{
1010	req->type = EIO_CHOWN;
1011	req->ptr1 = SvPVbyte_nolen (req->sv1);
1012	}
1013	else
1014	{
1015	req->type = EIO_FCHOWN;
1016	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1017	}
1018		1353
1019	REQ_SEND;	1354	REQ_SEND;
1020	}	1355	}
1021		1356
1022	void	1357	void
…		…
1045	PPCODE:	1380	PPCODE:
1046	{	1381	{
1047	dREQ;	1382	dREQ;
1048		1383
1049	req->type = ix;	1384	req->type = ix;
1050	req->sv1 = newSVsv (pathname);	1385	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1386
1053	REQ_SEND;	1387	REQ_SEND;
1054	}	1388	}
1055		1389
1056	void	1390	void
…		…
1060	aio_symlink = EIO_SYMLINK	1394	aio_symlink = EIO_SYMLINK
1061	aio_rename = EIO_RENAME	1395	aio_rename = EIO_RENAME
1062	PPCODE:	1396	PPCODE:
1063	{	1397	{
1064	dREQ;	1398	dREQ;
		1399	eio_wd wd2;
1065		1400
1066	req->type = ix;	1401	req->type = ix;
1067	req->sv1 = newSVsv (oldpath);	1402	req_set_path1 (req, oldpath);
1068	req->ptr1 = SvPVbyte_nolen (req->sv1);	1403	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1069	req->sv2 = newSVsv (newpath);	1404	req->int3 = (long)wd2;
1070	req->ptr2 = SvPVbyte_nolen (req->sv2);
1071		1405
1072	REQ_SEND;	1406	REQ_SEND;
1073	}	1407	}
1074		1408
1075	void	1409	void
…		…
1077	PPCODE:	1411	PPCODE:
1078	{	1412	{
1079	dREQ;	1413	dREQ;
1080		1414
1081	req->type = EIO_MKNOD;	1415	req->type = EIO_MKNOD;
1082	req->sv1 = newSVsv (pathname);
1083	req->ptr1 = SvPVbyte_nolen (req->sv1);
1084	req->int2 = (mode_t)mode;	1416	req->int2 = (mode_t)mode;
1085	req->offs = dev;	1417	req->offs = dev;
		1418	req_set_path1 (req, pathname);
1086		1419
1087	REQ_SEND;	1420	REQ_SEND;
1088	}	1421	}
1089		1422
1090	void	1423	void
1091	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1424	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092	ALIAS:	1425	ALIAS:
1093	aio_mtouch = EIO_MTOUCH	1426	aio_mtouch = EIO_MTOUCH
1094	aio_msync = EIO_MSYNC	1427	aio_msync = EIO_MSYNC
1095	PROTOTYPE: $$$$;$
1096	PPCODE:	1428	PPCODE:
1097	{	1429	{
1098	STRLEN svlen;	1430	STRLEN svlen;
		1431	char *svptr = SvPVbyte (data, svlen);
1099	UV len = SvUV (length);	1432	UV len = SvUV (length);
1100	char *svptr = SvPVbyte (data, svlen);
1101		1433
1102	if (offset < 0)	1434	if (offset < 0)
1103	offset += svlen;	1435	offset += svlen;
1104		1436
1105	if (offset < 0 || offset > svlen)	1437	if (offset < 0 || offset > svlen)
…		…
1110		1442
1111	{	1443	{
1112	dREQ;	1444	dREQ;
1113		1445
1114	req->type = ix;	1446	req->type = ix;
1115	req->size = len;
1116	req->sv2 = SvREFCNT_inc (data);	1447	req->sv2 = SvREFCNT_inc (data);
1117	req->ptr2 = (char *)svptr + offset;	1448	req->ptr2 = (char *)svptr + offset;
		1449	req->size = len;
1118	req->int1 = flags;	1450	req->int1 = flags;
1119		1451
1120	REQ_SEND;	1452	REQ_SEND;
1121	}	1453	}
1122	}	1454	}
1123		1455
1124	void	1456	void
		1457	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1458	PPCODE:
		1459	{
		1460	STRLEN svlen;
		1461	char *svptr = SvPVbyte (data, svlen);
		1462	UV len = SvUV (length);
		1463
		1464	if (offset < 0)
		1465	offset += svlen;
		1466
		1467	if (offset < 0 || offset > svlen)
		1468	croak ("offset outside of scalar");
		1469
		1470	if (!SvOK (length) || len + offset > svlen)
		1471	len = svlen - offset;
		1472
		1473	{
		1474	dREQ;
		1475
		1476	req->type = EIO_MLOCK;
		1477	req->sv2 = SvREFCNT_inc (data);
		1478	req->ptr2 = (char *)svptr + offset;
		1479	req->size = len;
		1480
		1481	REQ_SEND;
		1482	}
		1483	}
		1484
		1485	void
		1486	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1487	PPCODE:
		1488	{
		1489	dREQ;
		1490
		1491	req->type = EIO_MLOCKALL;
		1492	req->int1 = flags;
		1493
		1494	REQ_SEND;
		1495	}
		1496
		1497	void
1125	aio_busy (double delay, SV *callback=&PL_sv_undef)	1498	aio_busy (double delay, SV *callback=&PL_sv_undef)
1126	PPCODE:	1499	PPCODE:
1127	{	1500	{
1128	dREQ;	1501	dREQ;
1129		1502
…		…
1133	REQ_SEND;	1506	REQ_SEND;
1134	}	1507	}
1135		1508
1136	void	1509	void
1137	aio_group (SV *callback=&PL_sv_undef)	1510	aio_group (SV *callback=&PL_sv_undef)
1138	PROTOTYPE: ;$
1139	PPCODE:	1511	PPCODE:
1140	{	1512	{
1141	dREQ;	1513	dREQ;
1142		1514
1143	req->type = EIO_GROUP;	1515	req->type = EIO_GROUP;
…		…
1160	REQ_SEND;	1532	REQ_SEND;
1161	}	1533	}
1162		1534
1163	int	1535	int
1164	aioreq_pri (int pri = 0)	1536	aioreq_pri (int pri = 0)
1165	PROTOTYPE: ;$
1166	CODE:	1537	CODE:
1167	RETVAL = next_pri;	1538	RETVAL = next_pri;
1168	if (items > 0)	1539	if (items > 0)
1169	{	1540	{
1170	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1541	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1182	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1553	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183	next_pri = nice;	1554	next_pri = nice;
1184		1555
1185	void	1556	void
1186	flush ()	1557	flush ()
1187	PROTOTYPE:
1188	CODE:	1558	CODE:
1189	while (eio_nreqs ())	1559	while (eio_nreqs ())
1190	{	1560	{
1191	poll_wait ();	1561	poll_wait ();
1192	poll_cb ();	1562	poll_cb ();
1193	}	1563	}
1194		1564
1195	int	1565	int
1196	poll()	1566	poll ()
1197	PROTOTYPE:
1198	CODE:	1567	CODE:
1199	poll_wait ();	1568	poll_wait ();
1200	RETVAL = poll_cb ();	1569	RETVAL = poll_cb ();
1201	OUTPUT:	1570	OUTPUT:
1202	RETVAL	1571	RETVAL
1203		1572
1204	int	1573	int
1205	poll_fileno()	1574	poll_fileno ()
1206	PROTOTYPE:
1207	CODE:	1575	CODE:
1208	RETVAL = s_epipe_fd (&respipe);	1576	RETVAL = s_epipe_fd (&respipe);
1209	OUTPUT:	1577	OUTPUT:
1210	RETVAL	1578	RETVAL
1211		1579
1212	int	1580	int
1213	poll_cb(...)	1581	poll_cb (...)
1214	PROTOTYPE:	1582	PROTOTYPE:
1215	CODE:	1583	CODE:
1216	RETVAL = poll_cb ();	1584	RETVAL = poll_cb ();
1217	OUTPUT:	1585	OUTPUT:
1218	RETVAL	1586	RETVAL
1219		1587
1220	void	1588	void
1221	poll_wait()	1589	poll_wait ()
1222	PROTOTYPE:
1223	CODE:	1590	CODE:
1224	poll_wait ();	1591	poll_wait ();
1225		1592
1226	int	1593	int
1227	nreqs()	1594	nreqs ()
1228	PROTOTYPE:
1229	CODE:	1595	CODE:
1230	RETVAL = eio_nreqs ();	1596	RETVAL = eio_nreqs ();
1231	OUTPUT:	1597	OUTPUT:
1232	RETVAL	1598	RETVAL
1233		1599
1234	int	1600	int
1235	nready()	1601	nready ()
1236	PROTOTYPE:
1237	CODE:	1602	CODE:
1238	RETVAL = eio_nready ();	1603	RETVAL = eio_nready ();
1239	OUTPUT:	1604	OUTPUT:
1240	RETVAL	1605	RETVAL
1241		1606
1242	int	1607	int
1243	npending()	1608	npending ()
1244	PROTOTYPE:
1245	CODE:	1609	CODE:
1246	RETVAL = eio_npending ();	1610	RETVAL = eio_npending ();
1247	OUTPUT:	1611	OUTPUT:
1248	RETVAL	1612	RETVAL
1249		1613
1250	int	1614	int
1251	nthreads()	1615	nthreads ()
1252	PROTOTYPE:
1253	CODE:	1616	CODE:
1254	RETVAL = eio_nthreads ();	1617	RETVAL = eio_nthreads ();
1255	OUTPUT:	1618	OUTPUT:
1256	RETVAL	1619	RETVAL
1257		1620
1258	int	1621	int
1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1622	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260	PROTOTYPE: $$$$
1261	CODE:	1623	CODE:
1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263	RETVAL = posix_fadvise (fh, offset, length, advice);	1624	RETVAL = posix_fadvise (fh, offset, length, advice);
1264	#else
1265	RETVAL = errno = ENOSYS;
1266	#endif
1267	OUTPUT:	1625	OUTPUT:
1268	RETVAL	1626	RETVAL
1269		1627
1270	ssize_t	1628	IV
1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1629	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272	PROTOTYPE: $$$$
1273	CODE:	1630	CODE:
1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1631	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275	OUTPUT:	1632	OUTPUT:
1276	RETVAL	1633	RETVAL
1277		1634
		1635	void
		1636	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1637	PPCODE:
		1638	sv_unmagic (scalar, MMAP_MAGIC);
		1639	{
		1640	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1641	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1642	if (addr == (void *)-1)
		1643	XSRETURN_NO;
		1644
		1645	sv_force_normal (scalar);
		1646
		1647	/* we store the length in mg_obj, as namlen is I32 :/ */
		1648	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1649	->mg_obj = (SV *)length;
		1650
		1651	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1652
		1653	if (!(prot & PROT_WRITE))
		1654	SvREADONLY_on (scalar);
		1655
		1656	if (SvLEN (scalar))
		1657	Safefree (SvPVX (scalar));
		1658
		1659	SvPVX (scalar) = (char *)addr;
		1660	SvCUR_set (scalar, length);
		1661	SvLEN_set (scalar, 0);
		1662	SvPOK_only (scalar);
		1663
		1664	XSRETURN_YES;
		1665	}
		1666
		1667	void
		1668	munmap (SV *scalar)
		1669	CODE:
		1670	sv_unmagic (scalar, MMAP_MAGIC);
		1671
1278	int	1672	int
1279	mlockall (int flags)	1673	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1280	PROTOTYPE: $	1674	ALIAS:
		1675	mprotect = 1
1281	CODE:	1676	CODE:
		1677	{
		1678	STRLEN svlen;
		1679	void *addr = SvPVbyte (scalar, svlen);
		1680	size_t len = SvUV (length);
		1681
		1682	if (offset < 0)
		1683	offset += svlen;
		1684
		1685	if (offset < 0 || offset > svlen)
		1686	croak ("offset outside of scalar");
		1687
		1688	if (!SvOK (length) || len + offset > svlen)
		1689	len = svlen - offset;
		1690
		1691	addr = (void *)(((intptr_t)addr) + offset);
		1692	eio_page_align (&addr, &len);
		1693
		1694	switch (ix)
		1695	{
		1696	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1697	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1698	}
		1699	}
		1700	OUTPUT:
		1701	RETVAL
		1702
		1703	int
		1704	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1705	CODE:
		1706	{
		1707	STRLEN svlen;
		1708	void *addr = SvPVbyte (scalar, svlen);
		1709	size_t len = SvUV (length);
		1710
		1711	if (offset < 0)
		1712	offset += svlen;
		1713
		1714	if (offset < 0 || offset > svlen)
		1715	croak ("offset outside of scalar");
		1716
		1717	if (!SvOK (length) || len + offset > svlen)
		1718	len = svlen - offset;
		1719
		1720	addr = (void *)(((intptr_t)addr) + offset);
		1721	eio_page_align (&addr, &len);
1282	#if _POSIX_MEMLOCK	1722	#if _POSIX_MEMLOCK_RANGE
1283	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1723	RETVAL = munlock (addr, len);
1284	extern int mallopt (int, int);
1285	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1286	#endif
1287	mlockall (flags);
1288	#else	1724	#else
1289	RETVAL ＝-1;	1725	RETVAL = ((errno = ENOSYS), -1);
1290	errno = ENOSYS;
1291	#endif	1726	#endif
		1727	}
1292	OUTPUT:	1728	OUTPUT:
1293	RETVAL	1729	RETVAL
1294		1730
1295	int	1731	int
1296	munlockall ()	1732	munlockall ()
1297	PROTOTYPE:
1298	CODE:	1733	CODE:
1299	#if _POSIX_MEMLOCK	1734	#if _POSIX_MEMLOCK
1300	munlockall ();	1735	munlockall ();
1301	#else	1736	#else
1302	RETVAL ＝-1;	1737	RETVAL = -1;
1303	errno = ENOSYS;	1738	errno = ENOSYS;
1304	#endif	1739	#endif
1305	OUTPUT:	1740	OUTPUT:
1306	RETVAL	1741	RETVAL
1307		1742
…		…
1309	CODE:	1744	CODE:
1310	SvREFCNT_dec (on_next_submit);	1745	SvREFCNT_dec (on_next_submit);
1311	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1746	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1312		1747
1313	PROTOTYPES: DISABLE	1748	PROTOTYPES: DISABLE
		1749
		1750	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1751
		1752	BOOT:
		1753	{
		1754	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1755	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1756	}
		1757
		1758	void
		1759	DESTROY (SV *self)
		1760	CODE:
		1761	{
		1762	aio_wd wd = SvAIO_WD (self);
		1763	#if HAVE_AT
		1764	SV *callback = &PL_sv_undef;
		1765	dREQ; /* clobbers next_pri :/ */
		1766	req->type = EIO_WD_CLOSE;
		1767	req->wd = wd;
		1768	REQ_SEND;
		1769	#else
		1770	eio_wd_close_sync (wd);
		1771	#endif
		1772	}
1314		1773
1315	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1774	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1316		1775
1317	void	1776	void
1318	cancel (aio_req_ornot req)	1777	cancel (aio_req_ornot req)

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