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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 1.197 by root, Tue Sep 27 01:43:03 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;
		623
445	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
446	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
447	PUSHs (sv_2mortal (newSViv (req->result)));	627
		628	PUSHs (sv_result);
448	break;	629	break;
449		630
450	case EIO_READ:	631	case EIO_READ:
451	{	632	{
452	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
453	*SvEND (req->sv2) = 0;	634	*SvEND (req->sv2) = 0;
454	SvPOK_only (req->sv2);	635	SvPOK_only (req->sv2);
455	SvSETMAGIC (req->sv2);	636	SvSETMAGIC (req->sv2);
456	PUSHs (sv_2mortal (newSViv (req->result)));	637	PUSHs (sv_result);
457	}	638	}
458	break;	639	break;
459		640
460	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
461	if (req->result > 0)	642	if (req->result > 0)
462	req->result = 0;	643	SvIV_set (sv_result, 0);
463	/* FALLTHROUGH */	644	/* FALLTHROUGH */
464		645
465	default:	646	default:
466	PUSHs (sv_2mortal (newSViv (req->result)));	647	PUSHs (sv_result);
467	break;	648	break;
468	}	649	}
469		650
470	errno = req->errorno;	651	errno = req->errorno;
471		652
472	PUTBACK;	653	PUTBACK;
473	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	654	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
474	SPAGAIN;	655	SPAGAIN;
		656
		657	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		658	SvREFCNT_dec (sv_result);
		659	else
		660	sv_result_cache = sv_result;
475		661
476	FREETMPS;	662	FREETMPS;
477	LEAVE;	663	LEAVE;
478		664
479	PUTBACK;	665	PUTBACK;
…		…
490	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
491	}	677	}
492		678
493	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
494	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
495	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
496		684
497	Safefree (req);	685	Safefree (req);
498	}	686	}
499		687
500	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
501	{	689	{
502	aio_req sub;
503
504	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
505	return;	691	return;
506		692
507	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
508	grp->sv2 = 0;	694	grp->sv2 = 0;
509		695
510	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
511	}	697	}
512		698
513	static void
514	create_respipe (void)	699	static void create_respipe (void)
515	{	700	{
516	if (s_epipe_renew (&respipe))	701	if (s_epipe_renew (&respipe))
517	croak ("IO::AIO: unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
518	}	703	}
519		704
…		…
550		735
551	poll_wait ();	736	poll_wait ();
552	}	737	}
553	}	738	}
554		739
555	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
556	{	742	{
557	create_respipe ();	743	create_respipe ();
558	}
559		744
560	static SV *	745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
		747	}
		748
		749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		753	# define munmap(addr,length) (errno = ENOSYS, -1)
		754	#endif
		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
		765	#define MMAP_MAGIC PERL_MAGIC_ext
		766
		767	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		768	{
		769	int old_errno = errno;
		770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		771	errno = old_errno;
		772
		773	mg->mg_obj = 0; /* just in case */
		774
		775	SvREADONLY_off (sv);
		776
		777	if (SvPVX (sv) != mg->mg_ptr)
		778	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		779
		780	SvCUR_set (sv, 0);
		781	SvPVX (sv) = 0;
		782	SvOK_off (sv);
		783
		784	return 0;
		785	}
		786
		787	static MGVTBL mmap_vtbl = {
		788	0, 0, 0, 0, mmap_free
		789	};
		790
		791	/*****************************************************************************/
		792
561	get_cb (SV *cb_sv)	793	static SV * get_cb (SV *cb_sv)
562	{	794	{
563	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
564	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
565	}	797	}
566		798
…		…
585	SPAGAIN; \	817	SPAGAIN; \
586	\	818	\
587	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
588	XPUSHs (req_sv (req, aio_req_stash));	820	XPUSHs (req_sv (req, aio_req_stash));
589		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 (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	}
		877
590	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
591		879
592	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
593		881
594	BOOT:	882	BOOT:
595	{	883	{
596	static const struct {	884	static const struct {
597	const char *name;	885	const char *name;
598	IV iv;	886	IV iv;
599	} *civ, const_iv[] = {	887	} *civ, const_iv[] = {
600	# define const_iv(name, value) { # name, (IV) value },	888	# define const_niv(name, value) { # name, (IV) value },
		889	# define const_iv(name) { # name, (IV) name },
601	# define const_eio(name) { # name, (IV) EIO_ ## name },	890	# define const_eio(name) { # name, (IV) EIO_ ## name },
602	const_iv (EXDEV , EXDEV)	891	const_iv (EXDEV)
603	const_iv (ENOSYS , ENOSYS)	892	const_iv (ENOSYS)
604	const_iv (O_RDONLY, O_RDONLY)	893	const_iv (O_RDONLY)
605	const_iv (O_WRONLY, O_WRONLY)	894	const_iv (O_WRONLY)
		895	const_iv (O_RDWR)
606	const_iv (O_CREAT , O_CREAT)	896	const_iv (O_CREAT)
607	const_iv (O_TRUNC , O_TRUNC)	897	const_iv (O_TRUNC)
608	#ifndef _WIN32	898	const_iv (O_EXCL)
		899	const_iv (O_APPEND)
		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
609	const_iv (S_IFIFO , S_IFIFO)	917	const_iv (S_IFIFO)
610	#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
611	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
612	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
613	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
614	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
615	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
616	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
617		933
618	const_iv (ST_RDONLY , ST_RDONLY)	934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
619	const_iv (ST_NOSUID , ST_NOSUID)	935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
620	const_iv (ST_NODEV , ST_NODEV)	936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
621	const_iv (ST_NOEXEC , ST_NOEXEC)	937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		939
		940	const_iv (ST_RDONLY)
		941	const_iv (ST_NOSUID)
		942	const_iv (ST_NODEV)
		943	const_iv (ST_NOEXEC)
622	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)	944	const_iv (ST_SYNCHRONOUS)
623	const_iv (ST_MANDLOCK , ST_MANDLOCK)	945	const_iv (ST_MANDLOCK)
624	const_iv (ST_WRITE , ST_WRITE)	946	const_iv (ST_WRITE)
625	const_iv (ST_APPEND , ST_APPEND)	947	const_iv (ST_APPEND)
626	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)	948	const_iv (ST_IMMUTABLE)
627	const_iv (ST_NOATIME , ST_NOATIME)	949	const_iv (ST_NOATIME)
628	const_iv (ST_NODIRATIME , ST_NODIRATIME)	950	const_iv (ST_NODIRATIME)
629	const_iv (ST_RELATIME , ST_RELATIME)	951	const_iv (ST_RELATIME)
630		952
631	const_iv (MCL_FUTURE , MCL_FUTURE)	953	const_iv (PROT_NONE)
632	const_iv (MCL_CURRENT , MCL_CURRENT)	954	const_iv (PROT_EXEC)
		955	const_iv (PROT_READ)
		956	const_iv (PROT_WRITE)
		957
		958	/*const_iv (MAP_FIXED)*/
		959	const_iv (MAP_PRIVATE)
		960	const_iv (MAP_SHARED)
		961	const_iv (MAP_ANONYMOUS)
		962
		963	/* linuxish */
		964	const_iv (MAP_HUGETLB)
		965	const_iv (MAP_LOCKED)
		966	const_iv (MAP_NORESERVE)
		967	const_iv (MAP_POPULATE)
		968	const_iv (MAP_NONBLOCK)
		969
		970	const_eio (MCL_FUTURE)
		971	const_eio (MCL_CURRENT)
633		972
634	const_eio (MS_ASYNC)	973	const_eio (MS_ASYNC)
635	const_eio (MS_INVALIDATE)	974	const_eio (MS_INVALIDATE)
636	const_eio (MS_SYNC)	975	const_eio (MS_SYNC)
637		976
638	const_eio (MT_MODIFY)	977	const_eio (MT_MODIFY)
639		978
640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641	const_eio (SYNC_FILE_RANGE_WRITE)	980	const_eio (SYNC_FILE_RANGE_WRITE)
642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
643		984
644	const_eio (READDIR_DENTS)	985	const_eio (READDIR_DENTS)
645	const_eio (READDIR_DIRS_FIRST)	986	const_eio (READDIR_DIRS_FIRST)
646	const_eio (READDIR_STAT_ORDER)	987	const_eio (READDIR_STAT_ORDER)
647	const_eio (READDIR_FOUND_UNKNOWN)	988	const_eio (READDIR_FOUND_UNKNOWN)
…		…
658	};	999	};
659		1000
660	aio_stash = gv_stashpv ("IO::AIO" , 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662	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);
663		1005
664	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--)
665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1007	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666		1008
667	create_respipe ();	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668		1010
669	if (eio_init (want_poll, done_poll) < 0)	1011	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	}	1012	}
675		1013
676	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
677	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
678	PROTOTYPE: $	1020	PROTOTYPE: $
679	CODE:	1021	CODE:
680	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
681		1023
682	void	1024	void
…		…
684	PROTOTYPE: $	1026	PROTOTYPE: $
685	CODE:	1027	CODE:
686	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
687		1029
688	void	1030	void
689	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
690	PROTOTYPE: $	1032	PROTOTYPE: $
691	CODE:	1033	CODE:
692	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
693		1035
694	void	1036	void
695	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
696	PROTOTYPE: $	1038	PROTOTYPE: $
697	CODE:	1039	CODE:
698	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
699		1041
700	void	1042	void
701	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
702	PROTOTYPE: $	1044	PROTOTYPE: $
703	CODE:	1045	CODE:
704	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
705		1047
706	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
707	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
708	PROTOTYPE: $	1056	PROTOTYPE: $
709	CODE:	1057	CODE:
710	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
711		1059
712	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
713	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)
714	PROTOTYPE: $$$;$
715	PPCODE:	1074	PPCODE:
716	{	1075	{
717	dREQ;	1076	dREQ;
718		1077
719	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
720	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
721	req->ptr1 = SvPVbyte_nolen (req->sv1);
722	req->int1 = flags;	1080	req->int1 = flags;
723	req->int2 = mode;	1081	req->int2 = mode;
724		1082
725	REQ_SEND;	1083	REQ_SEND;
726	}	1084	}
727		1085
728	void	1086	void
729	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730	PROTOTYPE: $;$
731	ALIAS:	1088	ALIAS:
732	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
733	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
734	PPCODE:	1092	PPCODE:
735	{	1093	{
736	int fd = s_fileno_croak (fh, 0);	1094	int fd = s_fileno_croak (fh, 0);
737	dREQ;	1095	dREQ;
738		1096
…		…
743	REQ_SEND (req);	1101	REQ_SEND (req);
744	}	1102	}
745		1103
746	void	1104	void
747	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748	PROTOTYPE: $$$$;$
749	PPCODE:	1106	PPCODE:
750	{	1107	{
751	int fd = s_fileno_croak (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
752	dREQ;	1109	dREQ;
753		1110
…		…
760		1117
761	REQ_SEND (req);	1118	REQ_SEND (req);
762	}	1119	}
763		1120
764	void	1121	void
765	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)
766	PROTOTYPE: $;$
767	PPCODE:	1123	PPCODE:
768	{	1124	{
769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770	int fd = s_fileno_croak (fh, 0);	1125	int fd = s_fileno_croak (fh, 0);
771	dREQ;	1126	dREQ;
772		1127
773	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))
774	{	1147	{
775	int pipefd [2];	1148	int pipefd [2];
776		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
777	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
778	|| close (pipefd [1]) < 0
779	|| 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	)
780	abort (); /*D*/	1159	abort (); /*D*/
781		1160
782	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
783	}	1162	}
784		1163
785	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
786	req->int1 = close_pipe;	1165	req->int1 = close_fd;
787	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
788	req->int2 = fd;	1167	req->int2 = fd;
789		1168
790	REQ_SEND (req);	1169	REQ_SEND (req);
791	}	1170	}
…		…
793	void	1172	void
794	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)
795	ALIAS:	1174	ALIAS:
796	aio_read = EIO_READ	1175	aio_read = EIO_READ
797	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
798	PROTOTYPE: $$$$$;$
799	PPCODE:	1177	PPCODE:
800	{	1178	{
801	STRLEN svlen;	1179	STRLEN svlen;
802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
…		…
843	REQ_SEND;	1221	REQ_SEND;
844	}	1222	}
845	}	1223	}
846		1224
847	void	1225	void
848	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
849	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
850	PPCODE:	1230	PPCODE:
851	{	1231	{
852	SV *data;
853	dREQ;	1232	dREQ;
854		1233
855	req->type = EIO_READLINK;	1234	req->type = ix;
856	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858		1236
859	REQ_SEND;	1237	REQ_SEND;
860	}	1238	}
861		1239
862	void	1240	void
863	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)
864	PROTOTYPE: $$$$;$
865	PPCODE:	1242	PPCODE:
866	{	1243	{
867	int ifd = s_fileno_croak (in_fh , 0);	1244	int ifd = s_fileno_croak (in_fh , 0);
868	int ofd = s_fileno_croak (out_fh, 1);	1245	int ofd = s_fileno_croak (out_fh, 1);
869	dREQ;	1246	dREQ;
…		…
879	REQ_SEND;	1256	REQ_SEND;
880	}	1257	}
881		1258
882	void	1259	void
883	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884	PROTOTYPE: $$$;$
885	PPCODE:	1261	PPCODE:
886	{	1262	{
887	int fd = s_fileno_croak (fh, 0);	1263	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1264	dREQ;
889		1265
…		…
905	PPCODE:	1281	PPCODE:
906	{	1282	{
907	dREQ;	1283	dREQ;
908		1284
909	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
910		1286	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;	1287	REQ_SEND;
923	}	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
924		1305
925	void	1306	void
926	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)
927	PPCODE:	1308	PPCODE:
928	{	1309	{
929	dREQ;	1310	dREQ;
930		1311
931	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
932	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
933	req->sv1 = newSVsv (fh_or_path);	1314	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		1315
946	REQ_SEND;	1316	REQ_SEND;
947	}	1317	}
948		1318
949	void	1319	void
950	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)
951	PPCODE:	1321	PPCODE:
952	{	1322	{
953	dREQ;	1323	dREQ;
954		1324
955	req->sv1 = newSVsv (fh_or_path);
956	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
957		1326	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		1327
969	REQ_SEND;	1328	REQ_SEND;
970	}	1329	}
971		1330
972	void	1331	void
…		…
977	PPCODE:	1336	PPCODE:
978	{	1337	{
979	dREQ;	1338	dREQ;
980		1339
981	req->int2 = mode;	1340	req->int2 = mode;
982	req->sv1 = newSVsv (fh_or_path);	1341	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		1342
995	REQ_SEND;	1343	REQ_SEND;
996	}	1344	}
997		1345
998	void	1346	void
…		…
1001	{	1349	{
1002	dREQ;	1350	dREQ;
1003		1351
1004	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1352	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1005	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1353	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1006	req->sv1 = newSVsv (fh_or_path);	1354	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		1355
1019	REQ_SEND;	1356	REQ_SEND;
1020	}	1357	}
1021		1358
1022	void	1359	void
…		…
1024	PPCODE:	1361	PPCODE:
1025	{	1362	{
1026	dREQ;	1363	dREQ;
1027		1364
1028	req->type = EIO_READDIR;	1365	req->type = EIO_READDIR;
1029	req->sv1 = newSVsv (pathname);
1030	req->ptr1 = SvPVbyte_nolen (req->sv1);
1031	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1366	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1032		1367
1033	if (flags & EIO_READDIR_DENTS)	1368	if (flags & EIO_READDIR_DENTS)
1034	req->int1 |= EIO_READDIR_CUSTOM2;	1369	req->int1 |= EIO_READDIR_CUSTOM2;
		1370
		1371	req_set_path1 (req, pathname);
1035		1372
1036	REQ_SEND;	1373	REQ_SEND;
1037	}	1374	}
1038		1375
1039	void	1376	void
…		…
1045	PPCODE:	1382	PPCODE:
1046	{	1383	{
1047	dREQ;	1384	dREQ;
1048		1385
1049	req->type = ix;	1386	req->type = ix;
1050	req->sv1 = newSVsv (pathname);	1387	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1388
1053	REQ_SEND;	1389	REQ_SEND;
1054	}	1390	}
1055		1391
1056	void	1392	void
…		…
1060	aio_symlink = EIO_SYMLINK	1396	aio_symlink = EIO_SYMLINK
1061	aio_rename = EIO_RENAME	1397	aio_rename = EIO_RENAME
1062	PPCODE:	1398	PPCODE:
1063	{	1399	{
1064	dREQ;	1400	dREQ;
		1401	eio_wd wd2;
1065		1402
1066	req->type = ix;	1403	req->type = ix;
1067	req->sv1 = newSVsv (oldpath);	1404	req_set_path1 (req, oldpath);
1068	req->ptr1 = SvPVbyte_nolen (req->sv1);	1405	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1069	req->sv2 = newSVsv (newpath);	1406	req->int3 = (long)wd2;
1070	req->ptr2 = SvPVbyte_nolen (req->sv2);
1071		1407
1072	REQ_SEND;	1408	REQ_SEND;
1073	}	1409	}
1074		1410
1075	void	1411	void
…		…
1077	PPCODE:	1413	PPCODE:
1078	{	1414	{
1079	dREQ;	1415	dREQ;
1080		1416
1081	req->type = EIO_MKNOD;	1417	req->type = EIO_MKNOD;
1082	req->sv1 = newSVsv (pathname);
1083	req->ptr1 = SvPVbyte_nolen (req->sv1);
1084	req->int2 = (mode_t)mode;	1418	req->int2 = (mode_t)mode;
1085	req->offs = dev;	1419	req->offs = dev;
		1420	req_set_path1 (req, pathname);
1086		1421
1087	REQ_SEND;	1422	REQ_SEND;
1088	}	1423	}
1089		1424
1090	void	1425	void
1091	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1426	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092	ALIAS:	1427	ALIAS:
1093	aio_mtouch = EIO_MTOUCH	1428	aio_mtouch = EIO_MTOUCH
1094	aio_msync = EIO_MSYNC	1429	aio_msync = EIO_MSYNC
1095	PROTOTYPE: $$$$;$
1096	PPCODE:	1430	PPCODE:
1097	{	1431	{
1098	STRLEN svlen;	1432	STRLEN svlen;
		1433	char *svptr = SvPVbyte (data, svlen);
1099	UV len = SvUV (length);	1434	UV len = SvUV (length);
1100	char *svptr = SvPVbyte (data, svlen);
1101		1435
1102	if (offset < 0)	1436	if (offset < 0)
1103	offset += svlen;	1437	offset += svlen;
1104		1438
1105	if (offset < 0 || offset > svlen)	1439	if (offset < 0 || offset > svlen)
…		…
1110		1444
1111	{	1445	{
1112	dREQ;	1446	dREQ;
1113		1447
1114	req->type = ix;	1448	req->type = ix;
1115	req->size = len;
1116	req->sv2 = SvREFCNT_inc (data);	1449	req->sv2 = SvREFCNT_inc (data);
1117	req->ptr2 = (char *)svptr + offset;	1450	req->ptr2 = (char *)svptr + offset;
		1451	req->size = len;
1118	req->int1 = flags;	1452	req->int1 = flags;
1119		1453
1120	REQ_SEND;	1454	REQ_SEND;
1121	}	1455	}
1122	}	1456	}
1123		1457
1124	void	1458	void
		1459	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1460	PPCODE:
		1461	{
		1462	STRLEN svlen;
		1463	char *svptr = SvPVbyte (data, svlen);
		1464	UV len = SvUV (length);
		1465
		1466	if (offset < 0)
		1467	offset += svlen;
		1468
		1469	if (offset < 0 || offset > svlen)
		1470	croak ("offset outside of scalar");
		1471
		1472	if (!SvOK (length) || len + offset > svlen)
		1473	len = svlen - offset;
		1474
		1475	{
		1476	dREQ;
		1477
		1478	req->type = EIO_MLOCK;
		1479	req->sv2 = SvREFCNT_inc (data);
		1480	req->ptr2 = (char *)svptr + offset;
		1481	req->size = len;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
		1488	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1489	PPCODE:
		1490	{
		1491	dREQ;
		1492
		1493	req->type = EIO_MLOCKALL;
		1494	req->int1 = flags;
		1495
		1496	REQ_SEND;
		1497	}
		1498
		1499	void
1125	aio_busy (double delay, SV *callback=&PL_sv_undef)	1500	aio_busy (double delay, SV *callback=&PL_sv_undef)
1126	PPCODE:	1501	PPCODE:
1127	{	1502	{
1128	dREQ;	1503	dREQ;
1129		1504
…		…
1133	REQ_SEND;	1508	REQ_SEND;
1134	}	1509	}
1135		1510
1136	void	1511	void
1137	aio_group (SV *callback=&PL_sv_undef)	1512	aio_group (SV *callback=&PL_sv_undef)
1138	PROTOTYPE: ;$
1139	PPCODE:	1513	PPCODE:
1140	{	1514	{
1141	dREQ;	1515	dREQ;
1142		1516
1143	req->type = EIO_GROUP;	1517	req->type = EIO_GROUP;
…		…
1160	REQ_SEND;	1534	REQ_SEND;
1161	}	1535	}
1162		1536
1163	int	1537	int
1164	aioreq_pri (int pri = 0)	1538	aioreq_pri (int pri = 0)
1165	PROTOTYPE: ;$
1166	CODE:	1539	CODE:
1167	RETVAL = next_pri;	1540	RETVAL = next_pri;
1168	if (items > 0)	1541	if (items > 0)
1169	{	1542	{
1170	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1543	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1182	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1555	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183	next_pri = nice;	1556	next_pri = nice;
1184		1557
1185	void	1558	void
1186	flush ()	1559	flush ()
1187	PROTOTYPE:
1188	CODE:	1560	CODE:
1189	while (eio_nreqs ())	1561	while (eio_nreqs ())
1190	{	1562	{
1191	poll_wait ();	1563	poll_wait ();
1192	poll_cb ();	1564	poll_cb ();
1193	}	1565	}
1194		1566
1195	int	1567	int
1196	poll()	1568	poll ()
1197	PROTOTYPE:
1198	CODE:	1569	CODE:
1199	poll_wait ();	1570	poll_wait ();
1200	RETVAL = poll_cb ();	1571	RETVAL = poll_cb ();
1201	OUTPUT:	1572	OUTPUT:
1202	RETVAL	1573	RETVAL
1203		1574
1204	int	1575	int
1205	poll_fileno()	1576	poll_fileno ()
1206	PROTOTYPE:
1207	CODE:	1577	CODE:
1208	RETVAL = s_epipe_fd (&respipe);	1578	RETVAL = s_epipe_fd (&respipe);
1209	OUTPUT:	1579	OUTPUT:
1210	RETVAL	1580	RETVAL
1211		1581
1212	int	1582	int
1213	poll_cb(...)	1583	poll_cb (...)
1214	PROTOTYPE:	1584	PROTOTYPE:
1215	CODE:	1585	CODE:
1216	RETVAL = poll_cb ();	1586	RETVAL = poll_cb ();
1217	OUTPUT:	1587	OUTPUT:
1218	RETVAL	1588	RETVAL
1219		1589
1220	void	1590	void
1221	poll_wait()	1591	poll_wait ()
1222	PROTOTYPE:
1223	CODE:	1592	CODE:
1224	poll_wait ();	1593	poll_wait ();
1225		1594
1226	int	1595	int
1227	nreqs()	1596	nreqs ()
1228	PROTOTYPE:
1229	CODE:	1597	CODE:
1230	RETVAL = eio_nreqs ();	1598	RETVAL = eio_nreqs ();
1231	OUTPUT:	1599	OUTPUT:
1232	RETVAL	1600	RETVAL
1233		1601
1234	int	1602	int
1235	nready()	1603	nready ()
1236	PROTOTYPE:
1237	CODE:	1604	CODE:
1238	RETVAL = eio_nready ();	1605	RETVAL = eio_nready ();
1239	OUTPUT:	1606	OUTPUT:
1240	RETVAL	1607	RETVAL
1241		1608
1242	int	1609	int
1243	npending()	1610	npending ()
1244	PROTOTYPE:
1245	CODE:	1611	CODE:
1246	RETVAL = eio_npending ();	1612	RETVAL = eio_npending ();
1247	OUTPUT:	1613	OUTPUT:
1248	RETVAL	1614	RETVAL
1249		1615
1250	int	1616	int
1251	nthreads()	1617	nthreads ()
1252	PROTOTYPE:
1253	CODE:	1618	CODE:
1254	RETVAL = eio_nthreads ();	1619	RETVAL = eio_nthreads ();
1255	OUTPUT:	1620	OUTPUT:
1256	RETVAL	1621	RETVAL
1257		1622
1258	int	1623	int
1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1624	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260	PROTOTYPE: $$$$
1261	CODE:	1625	CODE:
1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263	RETVAL = posix_fadvise (fh, offset, length, advice);	1626	RETVAL = posix_fadvise (fh, offset, length, advice);
1264	#else
1265	RETVAL = errno = ENOSYS;
1266	#endif
1267	OUTPUT:	1627	OUTPUT:
1268	RETVAL	1628	RETVAL
1269		1629
1270	ssize_t	1630	IV
1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1631	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272	PROTOTYPE: $$$$
1273	CODE:	1632	CODE:
1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1633	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275	OUTPUT:	1634	OUTPUT:
1276	RETVAL	1635	RETVAL
1277		1636
		1637	void
		1638	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1639	PPCODE:
		1640	sv_unmagic (scalar, MMAP_MAGIC);
		1641	{
		1642	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1643	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1644	if (addr == (void *)-1)
		1645	XSRETURN_NO;
		1646
		1647	sv_force_normal (scalar);
		1648
		1649	/* we store the length in mg_obj, as namlen is I32 :/ */
		1650	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1651	->mg_obj = (SV *)length;
		1652
		1653	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1654
		1655	if (!(prot & PROT_WRITE))
		1656	SvREADONLY_on (scalar);
		1657
		1658	if (SvLEN (scalar))
		1659	Safefree (SvPVX (scalar));
		1660
		1661	SvPVX (scalar) = (char *)addr;
		1662	SvCUR_set (scalar, length);
		1663	SvLEN_set (scalar, 0);
		1664	SvPOK_only (scalar);
		1665
		1666	XSRETURN_YES;
		1667	}
		1668
		1669	void
		1670	munmap (SV *scalar)
		1671	CODE:
		1672	sv_unmagic (scalar, MMAP_MAGIC);
		1673
1278	int	1674	int
1279	mlockall (int flags)	1675	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1280	PROTOTYPE: $	1676	ALIAS:
		1677	mprotect = 1
1281	CODE:	1678	CODE:
		1679	{
		1680	STRLEN svlen;
		1681	void *addr = SvPVbyte (scalar, svlen);
		1682	size_t len = SvUV (length);
		1683
		1684	if (offset < 0)
		1685	offset += svlen;
		1686
		1687	if (offset < 0 || offset > svlen)
		1688	croak ("offset outside of scalar");
		1689
		1690	if (!SvOK (length) || len + offset > svlen)
		1691	len = svlen - offset;
		1692
		1693	addr = (void *)(((intptr_t)addr) + offset);
		1694	eio_page_align (&addr, &len);
		1695
		1696	switch (ix)
		1697	{
		1698	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1699	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1700	}
		1701	}
		1702	OUTPUT:
		1703	RETVAL
		1704
		1705	int
		1706	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1707	CODE:
		1708	{
		1709	STRLEN svlen;
		1710	void *addr = SvPVbyte (scalar, svlen);
		1711	size_t len = SvUV (length);
		1712
		1713	if (offset < 0)
		1714	offset += svlen;
		1715
		1716	if (offset < 0 || offset > svlen)
		1717	croak ("offset outside of scalar");
		1718
		1719	if (!SvOK (length) || len + offset > svlen)
		1720	len = svlen - offset;
		1721
		1722	addr = (void *)(((intptr_t)addr) + offset);
		1723	eio_page_align (&addr, &len);
1282	#if _POSIX_MEMLOCK	1724	#if _POSIX_MEMLOCK_RANGE
1283	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1725	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	1726	#else
1289	RETVAL ＝-1;	1727	RETVAL = ((errno = ENOSYS), -1);
1290	errno = ENOSYS;
1291	#endif	1728	#endif
		1729	}
1292	OUTPUT:	1730	OUTPUT:
1293	RETVAL	1731	RETVAL
1294		1732
1295	int	1733	int
1296	munlockall ()	1734	munlockall ()
1297	PROTOTYPE:
1298	CODE:	1735	CODE:
1299	#if _POSIX_MEMLOCK	1736	#if _POSIX_MEMLOCK
1300	munlockall ();	1737	munlockall ();
1301	#else	1738	#else
1302	RETVAL ＝-1;	1739	RETVAL = -1;
1303	errno = ENOSYS;	1740	errno = ENOSYS;
1304	#endif	1741	#endif
1305	OUTPUT:	1742	OUTPUT:
1306	RETVAL	1743	RETVAL
1307		1744
…		…
1309	CODE:	1746	CODE:
1310	SvREFCNT_dec (on_next_submit);	1747	SvREFCNT_dec (on_next_submit);
1311	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1748	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1312		1749
1313	PROTOTYPES: DISABLE	1750	PROTOTYPES: DISABLE
		1751
		1752	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1753
		1754	BOOT:
		1755	{
		1756	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1757	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1758	}
		1759
		1760	void
		1761	DESTROY (SV *self)
		1762	CODE:
		1763	{
		1764	aio_wd wd = SvAIO_WD (self);
		1765	#if HAVE_AT
		1766	SV *callback = &PL_sv_undef;
		1767	dREQ; /* clobbers next_pri :/ */
		1768	req->type = EIO_WD_CLOSE;
		1769	req->wd = wd;
		1770	REQ_SEND;
		1771	#else
		1772	eio_wd_close_sync (wd);
		1773	#endif
		1774	}
1314		1775
1315	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1776	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1316		1777
1317	void	1778	void
1318	cancel (aio_req_ornot req)	1779	cancel (aio_req_ornot req)

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