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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.200 by root, Thu Sep 29 09:51:24 2011 UTC

…		…
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <limits.h>	16	#include <limits.h>
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
20	/* perl namespace pollution */	24	/* perl namespace pollution */
21	#undef VERSION	25	#undef VERSION
22
23	#ifdef _WIN32
24
25	# define EIO_STRUCT_DIRENT Direntry_t
26	# undef malloc
27	# undef free
28
29	// perl overrides all those nice win32 functions
30	# undef open
31	# undef read
32	# undef write
33	# undef send
34	# undef recv
35	# undef stat
36	# undef fstat
37	# define lstat stat
38	# undef truncate
39	# undef ftruncate
40	# undef open
41	# undef close
42	# undef unlink
43	# undef rmdir
44	# undef rename
45	# undef lseek
46
47	# define chown(a,b,c) (errno = ENOSYS, -1)
48	# define fchown(a,b,c) (errno = ENOSYS, -1)
49	# define fchmod(a,b) (errno = ENOSYS, -1)
50	# define symlink(a,b) (errno = ENOSYS, -1)
51	# define readlink(a,b,c) (errno = ENOSYS, -1)
52	# define mknod(a,b,c) (errno = ENOSYS, -1)
53	# define truncate(a,b) (errno = ENOSYS, -1)
54	# define ftruncate(fd,o) chsize ((fd), (o))
55	# define fsync(fd) _commit (fd)
56	# define opendir(fd) (errno = ENOSYS, 0)
57	# define readdir(fd) (errno = ENOSYS, -1)
58	# define closedir(fd) (errno = ENOSYS, -1)
59	# define mkdir(a,b) mkdir (a)
60
61	#else
62
63	# include <sys/time.h>
64	# include <sys/select.h>
65	# include <unistd.h>
66	# include <utime.h>
67	# include <signal.h>
68	# define EIO_STRUCT_DIRENT struct dirent
69
70	#endif
71		26
72	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
73	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
74	#undef readdir	29	#undef readdir
75	#undef opendir	30	#undef opendir
76	#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
77		76
78	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
79		78
80	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
103		102
104	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
107		106
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		108
110	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
111	SV *callback; \	110	SV *callback; \
112	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
113	STRLEN stroffset; \	113	STRLEN stroffset; \
114	SV *self;	114	SV *self;
115		115
116	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
117		117
		118	#include "libeio/config.h"
118	#include "libeio/eio.h"	119	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	# define NO_FADVISE 1
123	#endif
124
125	#ifndef POSIX_FADV_SEQUENTIAL
126	# define POSIX_FADV_SEQUENTIAL 0
127	#endif
128
129	#ifndef POSIX_FADV_RANDOM
130	# define POSIX_FADV_RANDOM 0
131	#endif
132
133	#ifndef POSIX_FADV_NOREUSE
134	# define POSIX_FADV_NOREUSE 0
135	#endif
136
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		120
145	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
149		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
150	enum {	329	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	331	};
153		332
154	#include "libeio/eio.c"
155
156	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
158		336
159	static SV *on_next_submit;	337	static SV *on_next_submit;
160	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
161	static int max_outstanding;	339	static int max_outstanding;
162		340
…		…
187	}	365	}
188		366
189	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
190	}	368	}
191		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
192	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
193	{	377	{
194	MAGIC *mg;	378	MAGIC *mg;
195		379
196	if (!SvROK (sv)	380	if (!SvROK (sv)
…		…
200	croak ("object of class IO::AIO::REQ expected");	384	croak ("object of class IO::AIO::REQ expected");
201		385
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		387
204	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));
205	}	399	}
206		400
207	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
208	{	402	{
209	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
239	}	433	}
240	}	434	}
241		435
242	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
243	{	437	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
248		440
249	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
250	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
251	ENTER;	447	ENTER;
252	SAVETMPS;	448	SAVETMPS;
253	PUSHMARK (SP);	449	PUSHMARK (SP);
254	EXTEND (SP, 1);	450	EXTEND (SP, 1);
255		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
256	switch (req->type)	465	switch (req->type)
257	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
258	case EIO_READDIR:	471	case EIO_READDIR:
259	{	472	{
260	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
261		474
262	if (req->result >= 0)	475	if (req->result >= 0)
…		…
345		558
346	PUSHs (fh);	559	PUSHs (fh);
347	}	560	}
348	break;	561	break;
349		562
		563	case EIO_STATVFS:
		564	case EIO_FSTATVFS:
		565	{
		566	SV *rv = &PL_sv_undef;
		567
		568	#ifndef _WIN32
		569	if (req->result >= 0)
		570	{
		571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		572	HV *hv = newHV ();
		573
		574	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		575
		576	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		577	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		578	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		579	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		580	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		581	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		582	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		587	}
		588	#endif
		589
		590	PUSHs (rv);
		591	}
		592
		593	break;
		594
350	case EIO_GROUP:	595	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
352		597
353	if (req->sv1)	598	if (req->sv1)
354	{	599	{
…		…
364	case EIO_NOP:	609	case EIO_NOP:
365	case EIO_BUSY:	610	case EIO_BUSY:
366	break;	611	break;
367		612
368	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
369	if (req->result > 0)	615	if (req->result > 0)
370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371	break;	617	break;
372		618
373	case EIO_STAT:	619	case EIO_STAT:
374	case EIO_LSTAT:	620	case EIO_LSTAT:
375	case EIO_FSTAT:	621	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		623
377	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
378	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	627
		628	PUSHs (sv_result);
380	break;	629	break;
381		630
382	case EIO_READ:	631	case EIO_READ:
383	{	632	{
384	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));
385	*SvEND (req->sv2) = 0;	634	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	635	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	636	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	637	PUSHs (sv_result);
389	}	638	}
390	break;	639	break;
391		640
392	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393	if (req->result > 0)	642	if (req->result > 0)
394	req->result = 0;	643	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	644	/* FALLTHROUGH */
396		645
397	default:	646	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	647	PUSHs (sv_result);
399	break;	648	break;
400	}	649	}
401		650
402	errno = req->errorno;	651	errno = req->errorno;
403		652
404	PUTBACK;	653	PUTBACK;
405	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	654	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406	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;
407		661
408	FREETMPS;	662	FREETMPS;
409	LEAVE;	663	LEAVE;
410		664
411	PUTBACK;	665	PUTBACK;
…		…
422	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
423	}	677	}
424		678
425	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
426	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
427	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
428		684
429	Safefree (req);	685	Safefree (req);
430	}	686	}
431		687
432	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
433	{	689	{
434	aio_req sub;
435
436	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
437	return;	691	return;
438		692
439	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
440	grp->sv2 = 0;	694	grp->sv2 = 0;
441		695
442	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
443	}	697	}
444		698
445	static void
446	create_respipe (void)	699	static void create_respipe (void)
447	{	700	{
448	if (s_epipe_renew (&respipe))	701	if (s_epipe_renew (&respipe))
449	croak ("IO::AIO: unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
450	}	703	}
451		704
…		…
482		735
483	poll_wait ();	736	poll_wait ();
484	}	737	}
485	}	738	}
486		739
487	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
488	{	742	{
489	create_respipe ();	743	create_respipe ();
490	}
491		744
492	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
493	get_cb (SV *cb_sv)	793	static SV * get_cb (SV *cb_sv)
494	{	794	{
495	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
496	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497	}	797	}
498		798
…		…
517	SPAGAIN; \	817	SPAGAIN; \
518	\	818	\
519	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
520	XPUSHs (req_sv (req, aio_req_stash));	820	XPUSHs (req_sv (req, aio_req_stash));
521		821
		822	static void
		823	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		824	{
		825	if (expect_false (SvROK (path)))
		826	{
		827	AV *av = (AV *)SvRV (path);
		828	SV *wdob;
		829
		830	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		832
		833	path = AvARRAY (av)[1];
		834	wdob = AvARRAY (av)[0];
		835
		836	if (SvOK (wdob))
		837	{
		838	*wd = SvAIO_WD (wdob);
		839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		840	}
		841	else
		842	*wd = EIO_INVALID_WD;
		843	}
		844
		845	*pathsv = newSVsv (path);
		846	*ptr = SvPVbyte_nolen (*pathsv);
		847	}
		848
		849	static void
		850	req_set_path1 (aio_req req, SV *path)
		851	{
		852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		853	}
		854
		855	static void
		856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		857	{
		858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		859
		860	switch (SvTYPE (rv))
		861	{
		862	case SVt_PVIO:
		863	case SVt_PVLV:
		864	case SVt_PVGV:
		865	req->type = type_fh;
		866	req->sv1 = newSVsv (fh_or_path);
		867	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		868	break;
		869
		870	default:
		871	req->type = type_path;
		872	req_set_path1 (req, fh_or_path);
		873	break;
		874	}
		875
		876	}
		877
522	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
523		879
524	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
525		881
526	BOOT:	882	BOOT:
527	{	883	{
528	static const struct {	884	static const struct {
529	const char *name;	885	const char *name;
530	IV iv;	886	IV iv;
531	} *civ, const_iv[] = {	887	} *civ, const_iv[] = {
532	# 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 },
533	# define const_eio(name) { # name, (IV) EIO_ ## name },	890	# define const_eio(name) { # name, (IV) EIO_ ## name },
534	const_iv (EXDEV , EXDEV)	891	const_iv (EXDEV)
535	const_iv (ENOSYS , ENOSYS)	892	const_iv (ENOSYS)
536	const_iv (O_RDONLY, O_RDONLY)	893	const_iv (O_RDONLY)
537	const_iv (O_WRONLY, O_WRONLY)	894	const_iv (O_WRONLY)
		895	const_iv (O_RDWR)
538	const_iv (O_CREAT , O_CREAT)	896	const_iv (O_CREAT)
539	const_iv (O_TRUNC , O_TRUNC)	897	const_iv (O_TRUNC)
540	#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
541	const_iv (S_IFIFO , S_IFIFO)	917	const_iv (S_IFIFO)
542	#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
543	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		933
		934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		939
		940	const_iv (ST_RDONLY)
		941	const_iv (ST_NOSUID)
		942	const_iv (ST_NODEV)
		943	const_iv (ST_NOEXEC)
		944	const_iv (ST_SYNCHRONOUS)
		945	const_iv (ST_MANDLOCK)
		946	const_iv (ST_WRITE)
		947	const_iv (ST_APPEND)
		948	const_iv (ST_IMMUTABLE)
		949	const_iv (ST_NOATIME)
		950	const_iv (ST_NODIRATIME)
		951	const_iv (ST_RELATIME)
		952
		953	const_iv (PROT_NONE)
		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)
549		972
550	const_eio (MS_ASYNC)	973	const_eio (MS_ASYNC)
551	const_eio (MS_INVALIDATE)	974	const_eio (MS_INVALIDATE)
552	const_eio (MS_SYNC)	975	const_eio (MS_SYNC)
553		976
554	const_eio (MT_MODIFY)	977	const_eio (MT_MODIFY)
555		978
556	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
557	const_eio (SYNC_FILE_RANGE_WRITE)	980	const_eio (SYNC_FILE_RANGE_WRITE)
558	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
559		984
560	const_eio (READDIR_DENTS)	985	const_eio (READDIR_DENTS)
561	const_eio (READDIR_DIRS_FIRST)	986	const_eio (READDIR_DIRS_FIRST)
562	const_eio (READDIR_STAT_ORDER)	987	const_eio (READDIR_STAT_ORDER)
563	const_eio (READDIR_FOUND_UNKNOWN)	988	const_eio (READDIR_FOUND_UNKNOWN)
…		…
574	};	999	};
575		1000
576	aio_stash = gv_stashpv ("IO::AIO" , 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
577	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
578	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);
579		1005
580	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--)
581	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1007	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
582		1008
583	create_respipe ();	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
584		1010
585	if (eio_init (want_poll, done_poll) < 0)	1011	reinit ();
586	croak ("IO::AIO: unable to initialise eio library");
587
588	/* atfork child called in fifo order, so before eio's handler */
589	X_THREAD_ATFORK (0, 0, atfork_child);
590	}	1012	}
591		1013
592	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
593	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
594	PROTOTYPE: $	1020	PROTOTYPE: $
595	CODE:	1021	CODE:
596	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
597		1023
598	void	1024	void
…		…
600	PROTOTYPE: $	1026	PROTOTYPE: $
601	CODE:	1027	CODE:
602	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
603		1029
604	void	1030	void
605	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
606	PROTOTYPE: $	1032	PROTOTYPE: $
607	CODE:	1033	CODE:
608	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
609		1035
610	void	1036	void
611	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
612	PROTOTYPE: $	1038	PROTOTYPE: $
613	CODE:	1039	CODE:
614	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
615		1041
616	void	1042	void
617	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
618	PROTOTYPE: $	1044	PROTOTYPE: $
619	CODE:	1045	CODE:
620	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
621		1047
622	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
623	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
624	PROTOTYPE: $	1056	PROTOTYPE: $
625	CODE:	1057	CODE:
626	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
627		1059
628	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
629	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)
630	PROTOTYPE: $$$;$
631	PPCODE:	1074	PPCODE:
632	{	1075	{
633	dREQ;	1076	dREQ;
634		1077
635	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
636	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
637	req->ptr1 = SvPVbyte_nolen (req->sv1);
638	req->int1 = flags;	1080	req->int1 = flags;
639	req->int2 = mode;	1081	req->int2 = mode;
640		1082
641	REQ_SEND;	1083	REQ_SEND;
642	}	1084	}
643		1085
644	void	1086	void
645	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
646	PROTOTYPE: $;$
647	ALIAS:	1088	ALIAS:
648	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
649	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
650	PPCODE:	1092	PPCODE:
651	{	1093	{
652	int fd = s_fileno_croak (fh, 0);	1094	int fd = s_fileno_croak (fh, 0);
653	dREQ;	1095	dREQ;
654		1096
…		…
659	REQ_SEND (req);	1101	REQ_SEND (req);
660	}	1102	}
661		1103
662	void	1104	void
663	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
664	PROTOTYPE: $$$$;$
665	PPCODE:	1106	PPCODE:
666	{	1107	{
667	int fd = s_fileno_croak (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
668	dREQ;	1109	dREQ;
669		1110
…		…
676		1117
677	REQ_SEND (req);	1118	REQ_SEND (req);
678	}	1119	}
679		1120
680	void	1121	void
681	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)
682	PROTOTYPE: $;$
683	PPCODE:	1123	PPCODE:
684	{	1124	{
685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686	int fd = s_fileno_croak (fh, 0);	1125	int fd = s_fileno_croak (fh, 0);
687	dREQ;	1126	dREQ;
688		1127
689	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))
690	{	1147	{
691	int pipefd [2];	1148	int pipefd [2];
692		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
693	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
694	|| close (pipefd [1]) < 0
695	|| 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	)
696	abort (); /*D*/	1159	abort (); /*D*/
697		1160
698	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
699	}	1162	}
700		1163
701	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
702	req->int1 = close_pipe;	1165	req->int1 = close_fd;
703	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
704	req->int2 = fd;	1167	req->int2 = fd;
705		1168
706	REQ_SEND (req);	1169	REQ_SEND (req);
707	}	1170	}
…		…
709	void	1172	void
710	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)
711	ALIAS:	1174	ALIAS:
712	aio_read = EIO_READ	1175	aio_read = EIO_READ
713	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
714	PROTOTYPE: $$$$$;$
715	PPCODE:	1177	PPCODE:
716	{	1178	{
717	STRLEN svlen;	1179	STRLEN svlen;
718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
…		…
759	REQ_SEND;	1221	REQ_SEND;
760	}	1222	}
761	}	1223	}
762		1224
763	void	1225	void
764	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
765	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
766	PPCODE:	1230	PPCODE:
767	{	1231	{
768	SV *data;
769	dREQ;	1232	dREQ;
770		1233
771	req->type = EIO_READLINK;	1234	req->type = ix;
772	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
773	req->ptr1 = SvPVbyte_nolen (req->sv1);
774		1236
775	REQ_SEND;	1237	REQ_SEND;
776	}	1238	}
777		1239
778	void	1240	void
779	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)
780	PROTOTYPE: $$$$;$
781	PPCODE:	1242	PPCODE:
782	{	1243	{
783	int ifd = s_fileno_croak (in_fh , 0);	1244	int ifd = s_fileno_croak (in_fh , 0);
784	int ofd = s_fileno_croak (out_fh, 1);	1245	int ofd = s_fileno_croak (out_fh, 1);
785	dREQ;	1246	dREQ;
…		…
795	REQ_SEND;	1256	REQ_SEND;
796	}	1257	}
797		1258
798	void	1259	void
799	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
800	PROTOTYPE: $$$;$
801	PPCODE:	1261	PPCODE:
802	{	1262	{
803	int fd = s_fileno_croak (fh, 0);	1263	int fd = s_fileno_croak (fh, 0);
804	dREQ;	1264	dREQ;
805		1265
…		…
813	}	1273	}
814		1274
815	void	1275	void
816	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1276	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
817	ALIAS:	1277	ALIAS:
818	aio_stat = EIO_STAT	1278	aio_stat = EIO_STAT
819	aio_lstat = EIO_LSTAT	1279	aio_lstat = EIO_LSTAT
		1280	aio_statvfs = EIO_STATVFS
820	PPCODE:	1281	PPCODE:
821	{	1282	{
822	dREQ;	1283	dREQ;
823		1284
824	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
825		1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
826	if (SvPOK (req->sv1))
827	{
828	req->type = ix;
829	req->ptr1 = SvPVbyte_nolen (req->sv1);
830	}
831	else
832	{
833	req->type = EIO_FSTAT;
834	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835	}
836
837	REQ_SEND;	1287	REQ_SEND;
838	}	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
839		1305
840	void	1306	void
841	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)
842	PPCODE:	1308	PPCODE:
843	{	1309	{
844	dREQ;	1310	dREQ;
845		1311
846	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
847	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
848	req->sv1 = newSVsv (fh_or_path);	1314	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
849
850	if (SvPOK (req->sv1))
851	{
852	req->type = EIO_UTIME;
853	req->ptr1 = SvPVbyte_nolen (req->sv1);
854	}
855	else
856	{
857	req->type = EIO_FUTIME;
858	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
859	}
860		1315
861	REQ_SEND;	1316	REQ_SEND;
862	}	1317	}
863		1318
864	void	1319	void
865	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)
866	PPCODE:	1321	PPCODE:
867	{	1322	{
868	dREQ;	1323	dREQ;
869		1324
870	req->sv1 = newSVsv (fh_or_path);
871	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
872		1326	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
873	if (SvPOK (req->sv1))
874	{
875	req->type = EIO_TRUNCATE;
876	req->ptr1 = SvPVbyte_nolen (req->sv1);
877	}
878	else
879	{
880	req->type = EIO_FTRUNCATE;
881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
882	}
883		1327
884	REQ_SEND;	1328	REQ_SEND;
885	}	1329	}
886		1330
887	void	1331	void
888	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1332	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
889	ALIAS:
890	aio_chmod = EIO_CHMOD
891	aio_mkdir = EIO_MKDIR
892	PPCODE:	1333	PPCODE:
893	{	1334	{
894	dREQ;	1335	dREQ;
895		1336
896	req->int2 = mode;	1337	req->int2 = mode;
897	req->sv1 = newSVsv (fh_or_path);	1338	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
898
899	if (SvPOK (req->sv1))
900	{
901	req->type = ix;
902	req->ptr1 = SvPVbyte_nolen (req->sv1);
903	}
904	else
905	{
906	req->type = EIO_FCHMOD;
907	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
908	}
909		1339
910	REQ_SEND;	1340	REQ_SEND;
911	}	1341	}
912		1342
913	void	1343	void
…		…
916	{	1346	{
917	dREQ;	1347	dREQ;
918		1348
919	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1349	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
920	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1350	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
921	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
922
923	if (SvPOK (req->sv1))
924	{
925	req->type = EIO_CHOWN;
926	req->ptr1 = SvPVbyte_nolen (req->sv1);
927	}
928	else
929	{
930	req->type = EIO_FCHOWN;
931	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
932	}
933		1352
934	REQ_SEND;	1353	REQ_SEND;
935	}	1354	}
936		1355
937	void	1356	void
…		…
939	PPCODE:	1358	PPCODE:
940	{	1359	{
941	dREQ;	1360	dREQ;
942		1361
943	req->type = EIO_READDIR;	1362	req->type = EIO_READDIR;
944	req->sv1 = newSVsv (pathname);
945	req->ptr1 = SvPVbyte_nolen (req->sv1);
946	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1363	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
947		1364
948	if (flags & EIO_READDIR_DENTS)	1365	if (flags & EIO_READDIR_DENTS)
949	req->int1 |= EIO_READDIR_CUSTOM2;	1366	req->int1 |= EIO_READDIR_CUSTOM2;
950		1367
		1368	req_set_path1 (req, pathname);
		1369
951	REQ_SEND;	1370	REQ_SEND;
		1371	}
		1372
		1373	void
		1374	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1375	PPCODE:
		1376	{
		1377	dREQ;
		1378
		1379	req->type = EIO_MKDIR;
		1380	req->int2 = mode;
		1381	req_set_path1 (req, pathname);
		1382
		1383	REQ_SEND;
952	}	1384	}
953		1385
954	void	1386	void
955	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1387	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
956	ALIAS:	1388	ALIAS:
…		…
960	PPCODE:	1392	PPCODE:
961	{	1393	{
962	dREQ;	1394	dREQ;
963		1395
964	req->type = ix;	1396	req->type = ix;
965	req->sv1 = newSVsv (pathname);	1397	req_set_path1 (req, pathname);
966	req->ptr1 = SvPVbyte_nolen (req->sv1);
967		1398
968	REQ_SEND;	1399	REQ_SEND;
969	}	1400	}
970		1401
971	void	1402	void
…		…
975	aio_symlink = EIO_SYMLINK	1406	aio_symlink = EIO_SYMLINK
976	aio_rename = EIO_RENAME	1407	aio_rename = EIO_RENAME
977	PPCODE:	1408	PPCODE:
978	{	1409	{
979	dREQ;	1410	dREQ;
		1411	eio_wd wd2 = 0;
980		1412
981	req->type = ix;	1413	req->type = ix;
982	req->sv1 = newSVsv (oldpath);	1414	req_set_path1 (req, oldpath);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);	1415	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
984	req->sv2 = newSVsv (newpath);	1416	req->int3 = (long)wd2;
985	req->ptr2 = SvPVbyte_nolen (req->sv2);
986		1417
987	REQ_SEND;	1418	REQ_SEND;
988	}	1419	}
989		1420
990	void	1421	void
…		…
992	PPCODE:	1423	PPCODE:
993	{	1424	{
994	dREQ;	1425	dREQ;
995		1426
996	req->type = EIO_MKNOD;	1427	req->type = EIO_MKNOD;
997	req->sv1 = newSVsv (pathname);
998	req->ptr1 = SvPVbyte_nolen (req->sv1);
999	req->int2 = (mode_t)mode;	1428	req->int2 = (mode_t)mode;
1000	req->offs = dev;	1429	req->offs = dev;
		1430	req_set_path1 (req, pathname);
1001		1431
1002	REQ_SEND;	1432	REQ_SEND;
1003	}	1433	}
1004		1434
1005	void	1435	void
1006	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1436	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1007	ALIAS:	1437	ALIAS:
1008	aio_mtouch = EIO_MTOUCH	1438	aio_mtouch = EIO_MTOUCH
1009	aio_msync = EIO_MSYNC	1439	aio_msync = EIO_MSYNC
1010	PROTOTYPE: $$$$;$
1011	PPCODE:	1440	PPCODE:
1012	{	1441	{
1013	STRLEN svlen;	1442	STRLEN svlen;
		1443	char *svptr = SvPVbyte (data, svlen);
1014	UV len = SvUV (length);	1444	UV len = SvUV (length);
1015	char *svptr = SvPVbyte (data, svlen);
1016		1445
1017	if (offset < 0)	1446	if (offset < 0)
1018	offset += svlen;	1447	offset += svlen;
1019		1448
1020	if (offset < 0 || offset > svlen)	1449	if (offset < 0 || offset > svlen)
…		…
1025		1454
1026	{	1455	{
1027	dREQ;	1456	dREQ;
1028		1457
1029	req->type = ix;	1458	req->type = ix;
1030	req->size = len;
1031	req->sv2 = SvREFCNT_inc (data);	1459	req->sv2 = SvREFCNT_inc (data);
1032	req->ptr2 = (char *)svptr + offset;	1460	req->ptr2 = (char *)svptr + offset;
		1461	req->size = len;
1033	req->int1 = flags;	1462	req->int1 = flags;
1034		1463
1035	REQ_SEND;	1464	REQ_SEND;
1036	}	1465	}
1037	}	1466	}
1038		1467
1039	void	1468	void
		1469	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1470	PPCODE:
		1471	{
		1472	STRLEN svlen;
		1473	char *svptr = SvPVbyte (data, svlen);
		1474	UV len = SvUV (length);
		1475
		1476	if (offset < 0)
		1477	offset += svlen;
		1478
		1479	if (offset < 0 || offset > svlen)
		1480	croak ("offset outside of scalar");
		1481
		1482	if (!SvOK (length) || len + offset > svlen)
		1483	len = svlen - offset;
		1484
		1485	{
		1486	dREQ;
		1487
		1488	req->type = EIO_MLOCK;
		1489	req->sv2 = SvREFCNT_inc (data);
		1490	req->ptr2 = (char *)svptr + offset;
		1491	req->size = len;
		1492
		1493	REQ_SEND;
		1494	}
		1495	}
		1496
		1497	void
		1498	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1499	PPCODE:
		1500	{
		1501	dREQ;
		1502
		1503	req->type = EIO_MLOCKALL;
		1504	req->int1 = flags;
		1505
		1506	REQ_SEND;
		1507	}
		1508
		1509	void
1040	aio_busy (double delay, SV *callback=&PL_sv_undef)	1510	aio_busy (double delay, SV *callback=&PL_sv_undef)
1041	PPCODE:	1511	PPCODE:
1042	{	1512	{
1043	dREQ;	1513	dREQ;
1044		1514
…		…
1048	REQ_SEND;	1518	REQ_SEND;
1049	}	1519	}
1050		1520
1051	void	1521	void
1052	aio_group (SV *callback=&PL_sv_undef)	1522	aio_group (SV *callback=&PL_sv_undef)
1053	PROTOTYPE: ;$
1054	PPCODE:	1523	PPCODE:
1055	{	1524	{
1056	dREQ;	1525	dREQ;
1057		1526
1058	req->type = EIO_GROUP;	1527	req->type = EIO_GROUP;
…		…
1075	REQ_SEND;	1544	REQ_SEND;
1076	}	1545	}
1077		1546
1078	int	1547	int
1079	aioreq_pri (int pri = 0)	1548	aioreq_pri (int pri = 0)
1080	PROTOTYPE: ;$
1081	CODE:	1549	CODE:
1082	RETVAL = next_pri;	1550	RETVAL = next_pri;
1083	if (items > 0)	1551	if (items > 0)
1084	{	1552	{
1085	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1553	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1097	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1565	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098	next_pri = nice;	1566	next_pri = nice;
1099		1567
1100	void	1568	void
1101	flush ()	1569	flush ()
1102	PROTOTYPE:
1103	CODE:	1570	CODE:
1104	while (eio_nreqs ())	1571	while (eio_nreqs ())
1105	{	1572	{
1106	poll_wait ();	1573	poll_wait ();
1107	poll_cb ();	1574	poll_cb ();
1108	}	1575	}
1109		1576
1110	int	1577	int
1111	poll()	1578	poll ()
1112	PROTOTYPE:
1113	CODE:	1579	CODE:
1114	poll_wait ();	1580	poll_wait ();
1115	RETVAL = poll_cb ();	1581	RETVAL = poll_cb ();
1116	OUTPUT:	1582	OUTPUT:
1117	RETVAL	1583	RETVAL
1118		1584
1119	int	1585	int
1120	poll_fileno()	1586	poll_fileno ()
1121	PROTOTYPE:
1122	CODE:	1587	CODE:
1123	RETVAL = s_epipe_fd (&respipe);	1588	RETVAL = s_epipe_fd (&respipe);
1124	OUTPUT:	1589	OUTPUT:
1125	RETVAL	1590	RETVAL
1126		1591
1127	int	1592	int
1128	poll_cb(...)	1593	poll_cb (...)
1129	PROTOTYPE:	1594	PROTOTYPE:
1130	CODE:	1595	CODE:
1131	RETVAL = poll_cb ();	1596	RETVAL = poll_cb ();
1132	OUTPUT:	1597	OUTPUT:
1133	RETVAL	1598	RETVAL
1134		1599
1135	void	1600	void
1136	poll_wait()	1601	poll_wait ()
1137	PROTOTYPE:
1138	CODE:	1602	CODE:
1139	poll_wait ();	1603	poll_wait ();
1140		1604
1141	int	1605	int
1142	nreqs()	1606	nreqs ()
1143	PROTOTYPE:
1144	CODE:	1607	CODE:
1145	RETVAL = eio_nreqs ();	1608	RETVAL = eio_nreqs ();
1146	OUTPUT:	1609	OUTPUT:
1147	RETVAL	1610	RETVAL
1148		1611
1149	int	1612	int
1150	nready()	1613	nready ()
1151	PROTOTYPE:
1152	CODE:	1614	CODE:
1153	RETVAL = eio_nready ();	1615	RETVAL = eio_nready ();
1154	OUTPUT:	1616	OUTPUT:
1155	RETVAL	1617	RETVAL
1156		1618
1157	int	1619	int
1158	npending()	1620	npending ()
1159	PROTOTYPE:
1160	CODE:	1621	CODE:
1161	RETVAL = eio_npending ();	1622	RETVAL = eio_npending ();
1162	OUTPUT:	1623	OUTPUT:
1163	RETVAL	1624	RETVAL
1164		1625
1165	int	1626	int
1166	nthreads()	1627	nthreads ()
1167	PROTOTYPE:
1168	CODE:	1628	CODE:
1169	RETVAL = eio_nthreads ();	1629	RETVAL = eio_nthreads ();
1170	OUTPUT:	1630	OUTPUT:
1171	RETVAL	1631	RETVAL
1172		1632
1173	int	1633	int
1174	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1634	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175	PROTOTYPE: $$$$
1176	CODE:	1635	CODE:
1177	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178	RETVAL = posix_fadvise (fh, offset, length, advice);	1636	RETVAL = posix_fadvise (fh, offset, length, advice);
1179	#else
1180	RETVAL = errno = ENOSYS;
1181	#endif
1182	OUTPUT:	1637	OUTPUT:
1183	RETVAL	1638	RETVAL
1184		1639
1185	ssize_t	1640	IV
1186	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1641	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187	PROTOTYPE: $$$$
1188	CODE:	1642	CODE:
1189	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1643	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190	OUTPUT:	1644	OUTPUT:
1191	RETVAL	1645	RETVAL
1192		1646
		1647	void
		1648	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1649	PPCODE:
		1650	sv_unmagic (scalar, MMAP_MAGIC);
		1651	{
		1652	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1653	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1654	if (addr == (void *)-1)
		1655	XSRETURN_NO;
		1656
		1657	sv_force_normal (scalar);
		1658
		1659	/* we store the length in mg_obj, as namlen is I32 :/ */
		1660	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1661	->mg_obj = (SV *)length;
		1662
		1663	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1664
		1665	if (!(prot & PROT_WRITE))
		1666	SvREADONLY_on (scalar);
		1667
		1668	if (SvLEN (scalar))
		1669	Safefree (SvPVX (scalar));
		1670
		1671	SvPVX (scalar) = (char *)addr;
		1672	SvCUR_set (scalar, length);
		1673	SvLEN_set (scalar, 0);
		1674	SvPOK_only (scalar);
		1675
		1676	XSRETURN_YES;
		1677	}
		1678
		1679	void
		1680	munmap (SV *scalar)
		1681	CODE:
		1682	sv_unmagic (scalar, MMAP_MAGIC);
		1683
		1684	int
		1685	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1686	ALIAS:
		1687	mprotect = 1
		1688	CODE:
		1689	{
		1690	STRLEN svlen;
		1691	void *addr = SvPVbyte (scalar, svlen);
		1692	size_t len = SvUV (length);
		1693
		1694	if (offset < 0)
		1695	offset += svlen;
		1696
		1697	if (offset < 0 || offset > svlen)
		1698	croak ("offset outside of scalar");
		1699
		1700	if (!SvOK (length) || len + offset > svlen)
		1701	len = svlen - offset;
		1702
		1703	addr = (void *)(((intptr_t)addr) + offset);
		1704	eio_page_align (&addr, &len);
		1705
		1706	switch (ix)
		1707	{
		1708	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1709	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1710	}
		1711	}
		1712	OUTPUT:
		1713	RETVAL
		1714
		1715	int
		1716	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1717	CODE:
		1718	{
		1719	STRLEN svlen;
		1720	void *addr = SvPVbyte (scalar, svlen);
		1721	size_t len = SvUV (length);
		1722
		1723	if (offset < 0)
		1724	offset += svlen;
		1725
		1726	if (offset < 0 || offset > svlen)
		1727	croak ("offset outside of scalar");
		1728
		1729	if (!SvOK (length) || len + offset > svlen)
		1730	len = svlen - offset;
		1731
		1732	addr = (void *)(((intptr_t)addr) + offset);
		1733	eio_page_align (&addr, &len);
		1734	#if _POSIX_MEMLOCK_RANGE
		1735	RETVAL = munlock (addr, len);
		1736	#else
		1737	RETVAL = ((errno = ENOSYS), -1);
		1738	#endif
		1739	}
		1740	OUTPUT:
		1741	RETVAL
		1742
		1743	int
		1744	munlockall ()
		1745	CODE:
		1746	#if _POSIX_MEMLOCK
		1747	munlockall ();
		1748	#else
		1749	RETVAL = -1;
		1750	errno = ENOSYS;
		1751	#endif
		1752	OUTPUT:
		1753	RETVAL
		1754
1193	void _on_next_submit (SV *cb)	1755	void _on_next_submit (SV *cb)
1194	CODE:	1756	CODE:
1195	SvREFCNT_dec (on_next_submit);	1757	SvREFCNT_dec (on_next_submit);
1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1758	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197		1759
1198	PROTOTYPES: DISABLE	1760	PROTOTYPES: DISABLE
		1761
		1762	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1763
		1764	BOOT:
		1765	{
		1766	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1767	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1768	}
		1769
		1770	void
		1771	DESTROY (SV *self)
		1772	CODE:
		1773	{
		1774	aio_wd wd = SvAIO_WD (self);
		1775	#if HAVE_AT
		1776	SV *callback = &PL_sv_undef;
		1777	dREQ; /* clobbers next_pri :/ */
		1778	req->type = EIO_WD_CLOSE;
		1779	req->wd = wd;
		1780	REQ_SEND;
		1781	#else
		1782	eio_wd_close_sync (wd);
		1783	#endif
		1784	}
1199		1785
1200	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1786	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1201		1787
1202	void	1788	void
1203	cancel (aio_req_ornot req)	1789	cancel (aio_req_ornot req)

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