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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.86 by root, Mon Oct 30 23:30:00 2006 UTC vs.
Revision 1.107 by root, Wed Oct 3 21:27:51 2007 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include "autoconf/config.h"
18
19	#include <pthread.h>
20
21	#include <stddef.h>	9	#include <stddef.h>
		10	#include <stdlib.h>
22	#include <errno.h>	11	#include <errno.h>
23	#include <sys/time.h>
24	#include <sys/select.h>
25	#include <sys/types.h>	12	#include <sys/types.h>
26	#include <sys/stat.h>	13	#include <sys/stat.h>
27	#include <limits.h>	14	#include <limits.h>
28	#include <unistd.h>
29	#include <fcntl.h>	15	#include <fcntl.h>
30	#include <signal.h>
31	#include <sched.h>	16	#include <sched.h>
		17
		18	#ifdef _WIN32
		19
		20	# define SIGIO 0
		21	typedef Direntry_t X_DIRENT;
		22	#undef malloc
		23	#undef free
		24
		25	// perl overrides all those nice win32 functions
		26	# undef open
		27	# undef read
		28	# undef write
		29	# undef send
		30	# undef recv
		31	# undef stat
		32	# undef fstat
		33	# define lstat stat
		34	# undef truncate
		35	# undef ftruncate
		36	# undef open
		37	# undef close
		38	# undef unlink
		39	# undef rmdir
		40	# undef rename
		41	# undef lseek
		42
		43	# define chown(a,b,c) (errno = ENOSYS, -1)
		44	# define fchown(a,b,c) (errno = ENOSYS, -1)
		45	# define fchmod(a,b) (errno = ENOSYS, -1)
		46	# define symlink(a,b) (errno = ENOSYS, -1)
		47	# define readlink(a,b,c) (errno = ENOSYS, -1)
		48	# define mknod(a,b,c) (errno = ENOSYS, -1)
		49	# define truncate(a,b) (errno = ENOSYS, -1)
		50	# define ftruncate(fd,o) chsize ((fd), (o))
		51	# define fsync(fd) _commit (fd)
		52	# define opendir(fd) (errno = ENOSYS, 0)
		53	# define readdir(fd) (errno = ENOSYS, -1)
		54	# define closedir(fd) (errno = ENOSYS, -1)
		55	# define mkdir(a,b) mkdir (a)
		56
		57	#else
		58
		59	# include "autoconf/config.h"
		60	# include <sys/time.h>
		61	# include <sys/select.h>
		62	# include <unistd.h>
		63	# include <utime.h>
		64	# include <signal.h>
		65	typedef struct dirent X_DIRENT;
		66
		67	#endif
32		68
33	#if HAVE_SENDFILE	69	#if HAVE_SENDFILE
34	# if __linux	70	# if __linux
35	# include <sys/sendfile.h>	71	# include <sys/sendfile.h>
36	# elif __freebsd	72	# elif __freebsd
…		…
51	/* used for struct dirent, AIX doesn't provide it */	87	/* used for struct dirent, AIX doesn't provide it */
52	#ifndef NAME_MAX	88	#ifndef NAME_MAX
53	# define NAME_MAX 4096	89	# define NAME_MAX 4096
54	#endif	90	#endif
55		91
56	#ifndef PTHREAD_STACK_MIN
57	/* care for broken platforms, e.g. windows */
58	# define PTHREAD_STACK_MIN 16384
59	#endif
60
61	#if __ia64
62	# define STACKSIZE 65536
63	#elif __i386 || __x86_64 /* 16k is unreasonably high :( */
64	# define STACKSIZE PTHREAD_STACK_MIN
65	#else
66	# define STACKSIZE 16384
67	#endif
68
69	/* wether word reads are potentially non-atomic.
70	* this is conservatice, likely most arches this runs
71	* on have atomic word read/writes.
72	*/
73	#ifndef WORDACCESS_UNSAFE
74	# if __i386 || __x86_64
75	# define WORDACCESS_UNSAFE 0
76	# else
77	# define WORDACCESS_UNSAFE 1
78	# endif
79	#endif
80
81	/* buffer size for various temporary buffers */	92	/* buffer size for various temporary buffers */
82	#define AIO_BUFSIZE 65536	93	#define AIO_BUFSIZE 65536
83		94
		95	/* use NV for 32 bit perls as it allows larger offsets */
		96	#if IVSIZE >= 8
		97	# define SvVAL64 SvIV
		98	#else
		99	# define SvVAL64 SvNV
		100	#endif
		101
		102	static HV *stash;
		103
84	#define dBUF \	104	#define dBUF \
85	char *aio_buf; \	105	char *aio_buf; \
86	LOCK (wrklock); \	106	X_LOCK (wrklock); \
87	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \	107	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
88	UNLOCK (wrklock); \	108	X_UNLOCK (wrklock); \
89	if (!aio_buf) \	109	if (!aio_buf) \
90	return -1;	110	return -1;
		111
		112	typedef SV SV8; /* byte-sv, used for argument-checking */
91		113
92	enum {	114	enum {
93	REQ_QUIT,	115	REQ_QUIT,
94	REQ_OPEN, REQ_CLOSE,	116	REQ_OPEN, REQ_CLOSE,
95	REQ_READ, REQ_WRITE, REQ_READAHEAD,	117	REQ_READ, REQ_WRITE,
96	REQ_SENDFILE,	118	REQ_READAHEAD, REQ_SENDFILE,
97	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	119	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
		120	REQ_TRUNCATE, REQ_FTRUNCATE,
		121	REQ_UTIME, REQ_FUTIME,
		122	REQ_CHMOD, REQ_FCHMOD,
		123	REQ_CHOWN, REQ_FCHOWN,
98	REQ_FSYNC, REQ_FDATASYNC,	124	REQ_FSYNC, REQ_FDATASYNC,
99	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	125	REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
100	REQ_MKNOD, REQ_READDIR,	126	REQ_MKNOD, REQ_READDIR,
101	REQ_LINK, REQ_SYMLINK, REQ_READLINK,	127	REQ_LINK, REQ_SYMLINK, REQ_READLINK,
102	REQ_GROUP, REQ_NOP,	128	REQ_GROUP, REQ_NOP,
103	REQ_BUSY,	129	REQ_BUSY,
104	};	130	};
…		…
108		134
109	typedef struct aio_cb	135	typedef struct aio_cb
110	{	136	{
111	struct aio_cb *volatile next;	137	struct aio_cb *volatile next;
112		138
113	SV *callback, *fh;	139	SV *callback;
114	SV *sv1, *sv2;	140	SV *sv1, *sv2;
115	void *ptr1, *ptr2;	141	void *ptr1, *ptr2;
116	Stat_t *statdata;
117	off_t offs;	142	off_t offs;
118	size_t size;	143	size_t size;
119	ssize_t result;	144	ssize_t result;
		145	double nv1, nv2;
120		146
121	STRLEN stroffset;	147	STRLEN stroffset;
122	int type;	148	int type;
123	int int1, int2;	149	int int1, int2, int3;
124	int errorno;	150	int errorno;
125	mode_t mode; /* open */	151	mode_t mode; /* open */
126		152
127	unsigned char flags;	153	unsigned char flags;
128	unsigned char pri;	154	unsigned char pri;
…		…
130	SV *self; /* the perl counterpart of this request, if any */	156	SV *self; /* the perl counterpart of this request, if any */
131	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;	157	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;
132	} aio_cb;	158	} aio_cb;
133		159
134	enum {	160	enum {
135	FLAG_CANCELLED = 0x01,	161	FLAG_CANCELLED = 0x01, /* request was cancelled */
136	FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */	162	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
		163	FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
137	};	164	};
138		165
139	typedef aio_cb *aio_req;	166	typedef aio_cb *aio_req;
140	typedef aio_cb *aio_req_ornot;	167	typedef aio_cb *aio_req_ornot;
141		168
…		…
158	{	185	{
159	return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS	186	return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
160	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);	187	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);
161	}	188	}
162		189
		190	static thread_t main_tid;
		191	static int main_sig;
		192	static int block_sig_level;
		193
		194	void block_sig ()
		195	{
		196	sigset_t ss;
		197
		198	if (block_sig_level++)
		199	return;
		200
		201	if (!main_sig)
		202	return;
		203
		204	sigemptyset (&ss);
		205	sigaddset (&ss, main_sig);
		206	pthread_sigmask (SIG_BLOCK, &ss, 0);
		207	}
		208
		209	void unblock_sig ()
		210	{
		211	sigset_t ss;
		212
		213	if (--block_sig_level)
		214	return;
		215
		216	if (!main_sig)
		217	return;
		218
		219	sigemptyset (&ss);
		220	sigaddset (&ss, main_sig);
		221	pthread_sigmask (SIG_UNBLOCK, &ss, 0);
		222	}
		223
163	static int next_pri = DEFAULT_PRI + PRI_BIAS;	224	static int next_pri = DEFAULT_PRI + PRI_BIAS;
164		225
165	static unsigned int started, idle, wanted;	226	static unsigned int started, idle, wanted;
166		227
167	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
168	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
169	#else
170	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
171	#endif
172
173	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
174	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
175
176	/* worker threads management */	228	/* worker threads management */
177	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	229	static mutex_t wrklock = X_MUTEX_INIT;
178		230
179	typedef struct worker {	231	typedef struct worker {
180	/* locked by wrklock */	232	/* locked by wrklock */
181	struct worker *prev, *next;	233	struct worker *prev, *next;
182		234
183	pthread_t tid;	235	thread_t tid;
184		236
185	/* locked by reslock, reqlock or wrklock */	237	/* locked by reslock, reqlock or wrklock */
186	aio_req req; /* currently processed request */	238	aio_req req; /* currently processed request */
187	void *dbuf;	239	void *dbuf;
188	DIR *dirp;	240	DIR *dirp;
…		…
214	}	266	}
215		267
216	static volatile unsigned int nreqs, nready, npending;	268	static volatile unsigned int nreqs, nready, npending;
217	static volatile unsigned int max_idle = 4;	269	static volatile unsigned int max_idle = 4;
218	static volatile unsigned int max_outstanding = 0xffffffff;	270	static volatile unsigned int max_outstanding = 0xffffffff;
219	static int respipe [2];	271	static int respipe_osf [2], respipe [2] = { -1, -1 };
220		272
221	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	273	static mutex_t reslock = X_MUTEX_INIT;
222	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	274	static mutex_t reqlock = X_MUTEX_INIT;
223	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	275	static cond_t reqwait = X_COND_INIT;
224		276
225	#if WORDACCESS_UNSAFE	277	#if WORDACCESS_UNSAFE
226		278
227	static unsigned int get_nready ()	279	static unsigned int get_nready ()
228	{	280	{
229	unsigned int retval;	281	unsigned int retval;
230		282
231	LOCK (reqlock);	283	X_LOCK (reqlock);
232	retval = nready;	284	retval = nready;
233	UNLOCK (reqlock);	285	X_UNLOCK (reqlock);
234		286
235	return retval;	287	return retval;
236	}	288	}
237		289
238	static unsigned int get_npending ()	290	static unsigned int get_npending ()
239	{	291	{
240	unsigned int retval;	292	unsigned int retval;
241		293
242	LOCK (reslock);	294	X_LOCK (reslock);
243	retval = npending;	295	retval = npending;
244	UNLOCK (reslock);	296	X_UNLOCK (reslock);
245		297
246	return retval;	298	return retval;
247	}	299	}
248		300
249	static unsigned int get_nthreads ()	301	static unsigned int get_nthreads ()
250	{	302	{
251	unsigned int retval;	303	unsigned int retval;
252		304
253	LOCK (wrklock);	305	X_LOCK (wrklock);
254	retval = started;	306	retval = started;
255	UNLOCK (wrklock);	307	X_UNLOCK (wrklock);
256		308
257	return retval;	309	return retval;
258	}	310	}
259		311
260	#else	312	#else
…		…
318		370
319	abort ();	371	abort ();
320	}	372	}
321		373
322	static int poll_cb ();	374	static int poll_cb ();
323	static void req_invoke (aio_req req);	375	static int req_invoke (aio_req req);
324	static void req_free (aio_req req);	376	static void req_destroy (aio_req req);
325	static void req_cancel (aio_req req);	377	static void req_cancel (aio_req req);
326		378
327	/* must be called at most once */	379	/* must be called at most once */
328	static SV *req_sv (aio_req req, const char *klass)	380	static SV *req_sv (aio_req req, const char *klass)
329	{	381	{
…		…
348	return mg ? (aio_req)mg->mg_ptr : 0;	400	return mg ? (aio_req)mg->mg_ptr : 0;
349	}	401	}
350		402
351	static void aio_grp_feed (aio_req grp)	403	static void aio_grp_feed (aio_req grp)
352	{	404	{
		405	block_sig ();
		406
353	while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))	407	while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
354	{	408	{
355	int old_len = grp->size;	409	int old_len = grp->size;
356		410
357	if (grp->sv2 && SvOK (grp->sv2))	411	if (grp->sv2 && SvOK (grp->sv2))
…		…
375	SvREFCNT_dec (grp->sv2);	429	SvREFCNT_dec (grp->sv2);
376	grp->sv2 = 0;	430	grp->sv2 = 0;
377	break;	431	break;
378	}	432	}
379	}	433	}
		434
		435	unblock_sig ();
380	}	436	}
381		437
382	static void aio_grp_dec (aio_req grp)	438	static void aio_grp_dec (aio_req grp)
383	{	439	{
384	--grp->size;	440	--grp->size;
…		…
387	aio_grp_feed (grp);	443	aio_grp_feed (grp);
388		444
389	/* finish, if done */	445	/* finish, if done */
390	if (!grp->size && grp->int1)	446	if (!grp->size && grp->int1)
391	{	447	{
		448	block_sig ();
		449
392	req_invoke (grp);	450	if (!req_invoke (grp))
		451	{
		452	req_destroy (grp);
		453	unblock_sig ();
		454	croak (0);
		455	}
		456
393	req_free (grp);	457	req_destroy (grp);
		458	unblock_sig ();
394	}	459	}
395	}	460	}
396		461
397	static void req_invoke (aio_req req)	462	static int req_invoke (aio_req req)
398	{	463	{
399	dSP;	464	dSP;
400		465
401	if (req->flags & FLAG_DATA_RO_OFF)	466	if (req->flags & FLAG_SV2_RO_OFF)
402	SvREADONLY_off (req->sv1);	467	SvREADONLY_off (req->sv2);
403
404	if (req->statdata)
405	{
406	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
407	PL_laststatval = req->result;
408	PL_statcache = *(req->statdata);
409	}
410		468
411	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))	469	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))
412	{	470	{
413	ENTER;	471	ENTER;
414	SAVETMPS;	472	SAVETMPS;
…		…
445	break;	503	break;
446		504
447	case REQ_OPEN:	505	case REQ_OPEN:
448	{	506	{
449	/* convert fd to fh */	507	/* convert fd to fh */
450	SV *fh;	508	SV *fh = &PL_sv_undef;
451		509
452	PUSHs (sv_2mortal (newSViv (req->result)));	510	if (req->result >= 0)
453	PUTBACK;	511	{
454	call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);	512	GV *gv = (GV *)sv_newmortal ();
455	SPAGAIN;	513	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
		514	char sym [64];
		515	int symlen;
		516
		517	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);
		518	gv_init (gv, stash, sym, symlen, 0);
456		519
457	fh = SvREFCNT_inc (POPs);	520	symlen = snprintf (
		521	sym,
		522	sizeof (sym),
		523	"%s&=%d",
		524	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		525	req->result
		526	);
458		527
		528	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
		529	fh = gv;
		530	}
		531
459	PUSHMARK (SP);	532	XPUSHs (fh);
460	XPUSHs (sv_2mortal (fh));
461	}	533	}
462	break;	534	break;
463		535
464	case REQ_GROUP:	536	case REQ_GROUP:
465	req->int1 = 2; /* mark group as finished */	537	req->int1 = 2; /* mark group as finished */
…		…
480	break;	552	break;
481		553
482	case REQ_READLINK:	554	case REQ_READLINK:
483	if (req->result > 0)	555	if (req->result > 0)
484	{	556	{
485	SvCUR_set (req->sv1, req->result);	557	SvCUR_set (req->sv2, req->result);
486	*SvEND (req->sv1) = 0;	558	*SvEND (req->sv2) = 0;
487	PUSHs (req->sv1);	559	PUSHs (req->sv2);
488	}	560	}
489	break;	561	break;
490		562
		563	case REQ_STAT:
		564	case REQ_LSTAT:
		565	case REQ_FSTAT:
		566	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
		567	PL_laststatval = req->result;
		568	PL_statcache = *(Stat_t *)(req->ptr2);
		569	PUSHs (sv_2mortal (newSViv (req->result)));
		570	break;
		571
491	case REQ_READ:	572	case REQ_READ:
492	SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0));	573	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
493	*SvEND (req->sv1) = 0;	574	*SvEND (req->sv2) = 0;
494	/* fall through */	575	PUSHs (sv_2mortal (newSViv (req->result)));
		576	break;
		577
495	default:	578	default:
496	PUSHs (sv_2mortal (newSViv (req->result)));	579	PUSHs (sv_2mortal (newSViv (req->result)));
497	break;	580	break;
498	}	581	}
499		582
…		…
519	grp->grp_first = req->grp_next;	602	grp->grp_first = req->grp_next;
520		603
521	aio_grp_dec (grp);	604	aio_grp_dec (grp);
522	}	605	}
523		606
524	if (SvTRUE (ERRSV))	607	return !SvTRUE (ERRSV);
525	{
526	req_free (req);
527	croak (0);
528	}
529	}	608	}
530		609
531	static void req_free (aio_req req)	610	static void req_destroy (aio_req req)
532	{	611	{
533	if (req->self)	612	if (req->self)
534	{	613	{
535	sv_unmagic (req->self, PERL_MAGIC_ext);	614	sv_unmagic (req->self, PERL_MAGIC_ext);
536	SvREFCNT_dec (req->self);	615	SvREFCNT_dec (req->self);
537	}	616	}
538		617
539	SvREFCNT_dec (req->fh);
540	SvREFCNT_dec (req->sv1);	618	SvREFCNT_dec (req->sv1);
541	SvREFCNT_dec (req->sv2);	619	SvREFCNT_dec (req->sv2);
542	SvREFCNT_dec (req->callback);	620	SvREFCNT_dec (req->callback);
543	Safefree (req->statdata);
544		621
545	if (req->type == REQ_READDIR)	622	if (req->flags & FLAG_PTR2_FREE)
546	free (req->ptr2);	623	free (req->ptr2);
547		624
548	Safefree (req);	625	Safefree (req);
549	}	626	}
550		627
…		…
567	req->flags |= FLAG_CANCELLED;	644	req->flags |= FLAG_CANCELLED;
568		645
569	req_cancel_subs (req);	646	req_cancel_subs (req);
570	}	647	}
571		648
572	static void *aio_proc(void *arg);	649	#ifdef USE_SOCKETS_AS_HANDLES
		650	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		651	#else
		652	# define TO_SOCKET(x) (x)
		653	#endif
		654
		655	static void
		656	create_respipe ()
		657	{
		658	int old_readfd = respipe [0];
		659
		660	if (respipe [1] >= 0)
		661	respipe_close (TO_SOCKET (respipe [1]));
		662
		663	#ifdef _WIN32
		664	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		665	#else
		666	if (pipe (respipe))
		667	#endif
		668	croak ("unable to initialize result pipe");
		669
		670	if (old_readfd >= 0)
		671	{
		672	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		673	croak ("unable to initialize result pipe(2)");
		674
		675	respipe_close (respipe [0]);
		676	respipe [0] = old_readfd;
		677	}
		678
		679	#ifdef _WIN32
		680	int arg = 1;
		681	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		682	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		683	#else
		684	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		685	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		686	#endif
		687	croak ("unable to initialize result pipe(3)");
		688
		689	respipe_osf [0] = TO_SOCKET (respipe [0]);
		690	respipe_osf [1] = TO_SOCKET (respipe [1]);
		691	}
		692
		693	X_THREAD_PROC (aio_proc);
573		694
574	static void start_thread (void)	695	static void start_thread (void)
575	{	696	{
576	sigset_t fullsigset, oldsigset;
577	pthread_attr_t attr;
578
579	worker *wrk = calloc (1, sizeof (worker));	697	worker *wrk = calloc (1, sizeof (worker));
580		698
581	if (!wrk)	699	if (!wrk)
582	croak ("unable to allocate worker thread data");	700	croak ("unable to allocate worker thread data");
583		701
584	pthread_attr_init (&attr);
585	pthread_attr_setstacksize (&attr, STACKSIZE);
586	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
587	#ifdef PTHREAD_SCOPE_PROCESS
588	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
589	#endif
590
591	sigfillset (&fullsigset);
592
593	LOCK (wrklock);	702	X_LOCK (wrklock);
594	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
595		703
596	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	704	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
597	{	705	{
598	wrk->prev = &wrk_first;	706	wrk->prev = &wrk_first;
599	wrk->next = wrk_first.next;	707	wrk->next = wrk_first.next;
600	wrk_first.next->prev = wrk;	708	wrk_first.next->prev = wrk;
601	wrk_first.next = wrk;	709	wrk_first.next = wrk;
602	++started;	710	++started;
603	}	711	}
604	else	712	else
605	free (wrk);	713	free (wrk);
606		714
607	sigprocmask (SIG_SETMASK, &oldsigset, 0);
608	UNLOCK (wrklock);	715	X_UNLOCK (wrklock);
609	}	716	}
610		717
611	static void maybe_start_thread ()	718	static void maybe_start_thread ()
612	{	719	{
613	if (get_nthreads () >= wanted)	720	if (get_nthreads () >= wanted)
…		…
620	start_thread ();	727	start_thread ();
621	}	728	}
622		729
623	static void req_send (aio_req req)	730	static void req_send (aio_req req)
624	{	731	{
		732	block_sig ();
		733
625	++nreqs;	734	++nreqs;
626		735
627	LOCK (reqlock);	736	X_LOCK (reqlock);
628	++nready;	737	++nready;
629	reqq_push (&req_queue, req);	738	reqq_push (&req_queue, req);
630	pthread_cond_signal (&reqwait);	739	X_COND_SIGNAL (reqwait);
631	UNLOCK (reqlock);	740	X_UNLOCK (reqlock);
		741
		742	unblock_sig ();
632		743
633	maybe_start_thread ();	744	maybe_start_thread ();
634	}	745	}
635		746
636	static void end_thread (void)	747	static void end_thread (void)
…		…
640	Newz (0, req, 1, aio_cb);	751	Newz (0, req, 1, aio_cb);
641		752
642	req->type = REQ_QUIT;	753	req->type = REQ_QUIT;
643	req->pri = PRI_MAX + PRI_BIAS;	754	req->pri = PRI_MAX + PRI_BIAS;
644		755
645	LOCK (reqlock);	756	X_LOCK (reqlock);
646	reqq_push (&req_queue, req);	757	reqq_push (&req_queue, req);
647	pthread_cond_signal (&reqwait);	758	X_COND_SIGNAL (reqwait);
648	UNLOCK (reqlock);	759	X_UNLOCK (reqlock);
649		760
650	LOCK (wrklock);	761	X_LOCK (wrklock);
651	--started;	762	--started;
652	UNLOCK (wrklock);	763	X_UNLOCK (wrklock);
653	}	764	}
654		765
655	static void set_max_idle (int nthreads)	766	static void set_max_idle (int nthreads)
656	{	767	{
657	if (WORDACCESS_UNSAFE) LOCK (reqlock);	768	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
658	max_idle = nthreads <= 0 ? 1 : nthreads;	769	max_idle = nthreads <= 0 ? 1 : nthreads;
659	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	770	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
660	}	771	}
661		772
662	static void min_parallel (int nthreads)	773	static void min_parallel (int nthreads)
663	{	774	{
664	if (wanted < nthreads)	775	if (wanted < nthreads)
…		…
679	fd_set rfd;	790	fd_set rfd;
680		791
681	while (nreqs)	792	while (nreqs)
682	{	793	{
683	int size;	794	int size;
684	if (WORDACCESS_UNSAFE) LOCK (reslock);	795	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
685	size = res_queue.size;	796	size = res_queue.size;
686	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	797	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
687		798
688	if (size)	799	if (size)
689	return;	800	return;
690		801
691	maybe_start_thread ();	802	maybe_start_thread ();
692		803
693	FD_ZERO(&rfd);	804	FD_ZERO (&rfd);
694	FD_SET(respipe [0], &rfd);	805	FD_SET (respipe [0], &rfd);
695		806
696	select (respipe [0] + 1, &rfd, 0, 0, 0);	807	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
697	}	808	}
698	}	809	}
699		810
700	static int poll_cb ()	811	static int poll_cb ()
701	{	812	{
…		…
707	aio_req req;	818	aio_req req;
708		819
709	if (max_poll_time)	820	if (max_poll_time)
710	gettimeofday (&tv_start, 0);	821	gettimeofday (&tv_start, 0);
711		822
		823	block_sig ();
		824
712	for (;;)	825	for (;;)
713	{	826	{
714	for (;;)	827	for (;;)
715	{	828	{
716	maybe_start_thread ();	829	maybe_start_thread ();
717		830
718	LOCK (reslock);	831	X_LOCK (reslock);
719	req = reqq_shift (&res_queue);	832	req = reqq_shift (&res_queue);
720		833
721	if (req)	834	if (req)
722	{	835	{
723	--npending;	836	--npending;
724		837
725	if (!res_queue.size)	838	if (!res_queue.size)
726	{	839	{
727	/* read any signals sent by the worker threads */	840	/* read any signals sent by the worker threads */
728	char buf [32];	841	char buf [4];
729	while (read (respipe [0], buf, 32) == 32)	842	while (respipe_read (respipe [0], buf, 4) == 4)
730	;	843	;
731	}	844	}
732	}	845	}
733		846
734	UNLOCK (reslock);	847	X_UNLOCK (reslock);
735		848
736	if (!req)	849	if (!req)
737	break;	850	break;
738		851
739	--nreqs;	852	--nreqs;
…		…
743	req->int1 = 1; /* mark request as delayed */	856	req->int1 = 1; /* mark request as delayed */
744	continue;	857	continue;
745	}	858	}
746	else	859	else
747	{	860	{
748	req_invoke (req);	861	if (!req_invoke (req))
		862	{
		863	req_destroy (req);
		864	unblock_sig ();
		865	croak (0);
		866	}
749		867
750	count++;	868	count++;
751	}	869	}
752		870
753	req_free (req);	871	req_destroy (req);
754		872
755	if (maxreqs && !--maxreqs)	873	if (maxreqs && !--maxreqs)
756	break;	874	break;
757		875
758	if (max_poll_time)	876	if (max_poll_time)
…		…
770	poll_wait ();	888	poll_wait ();
771		889
772	++maxreqs;	890	++maxreqs;
773	}	891	}
774		892
		893	unblock_sig ();
775	return count;	894	return count;
776	}
777
778	static void create_pipe ()
779	{
780	if (pipe (respipe))
781	croak ("unable to initialize result pipe");
782
783	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
784	croak ("cannot set result pipe to nonblocking mode");
785
786	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
787	croak ("cannot set result pipe to nonblocking mode");
788	}	895	}
789		896
790	/*****************************************************************************/	897	/*****************************************************************************/
791	/* work around various missing functions */	898	/* work around various missing functions */
792		899
…		…
797	/*	904	/*
798	* make our pread/pwrite safe against themselves, but not against	905	* make our pread/pwrite safe against themselves, but not against
799	* normal read/write by using a mutex. slows down execution a lot,	906	* normal read/write by using a mutex. slows down execution a lot,
800	* but that's your problem, not mine.	907	* but that's your problem, not mine.
801	*/	908	*/
802	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	909	static mutex_t preadwritelock = X_MUTEX_INIT;
803		910
804	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)	911	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
805	{	912	{
806	ssize_t res;	913	ssize_t res;
807	off_t ooffset;	914	off_t ooffset;
808		915
809	LOCK (preadwritelock);	916	X_LOCK (preadwritelock);
810	ooffset = lseek (fd, 0, SEEK_CUR);	917	ooffset = lseek (fd, 0, SEEK_CUR);
811	lseek (fd, offset, SEEK_SET);	918	lseek (fd, offset, SEEK_SET);
812	res = read (fd, buf, count);	919	res = read (fd, buf, count);
813	lseek (fd, ooffset, SEEK_SET);	920	lseek (fd, ooffset, SEEK_SET);
814	UNLOCK (preadwritelock);	921	X_UNLOCK (preadwritelock);
815		922
816	return res;	923	return res;
817	}	924	}
818		925
819	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)	926	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
820	{	927	{
821	ssize_t res;	928	ssize_t res;
822	off_t ooffset;	929	off_t ooffset;
823		930
824	LOCK (preadwritelock);	931	X_LOCK (preadwritelock);
825	ooffset = lseek (fd, 0, SEEK_CUR);	932	ooffset = lseek (fd, 0, SEEK_CUR);
826	lseek (fd, offset, SEEK_SET);	933	lseek (fd, offset, SEEK_SET);
827	res = write (fd, buf, count);	934	res = write (fd, buf, count);
828	lseek (fd, offset, SEEK_SET);	935	lseek (fd, offset, SEEK_SET);
829	UNLOCK (preadwritelock);	936	X_UNLOCK (preadwritelock);
830		937
831	return res;	938	return res;
832	}	939	}
		940	#endif
		941
		942	#ifndef HAVE_FUTIMES
		943
		944	# define utimes(path,times) aio_utimes (path, times)
		945	# define futimes(fd,times) aio_futimes (fd, times)
		946
		947	int aio_utimes (const char *filename, const struct timeval times[2])
		948	{
		949	if (times)
		950	{
		951	struct utimbuf buf;
		952
		953	buf.actime = times[0].tv_sec;
		954	buf.modtime = times[1].tv_sec;
		955
		956	return utime (filename, &buf);
		957	}
		958	else
		959	return utime (filename, 0);
		960	}
		961
		962	int aio_futimes (int fd, const struct timeval tv[2])
		963	{
		964	errno = ENOSYS;
		965	return -1;
		966	}
		967
833	#endif	968	#endif
834		969
835	#if !HAVE_FDATASYNC	970	#if !HAVE_FDATASYNC
836	# define fdatasync fsync	971	# define fdatasync fsync
837	#endif	972	#endif
…		…
839	#if !HAVE_READAHEAD	974	#if !HAVE_READAHEAD
840	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)	975	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)
841		976
842	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)	977	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)
843	{	978	{
		979	size_t todo = count;
844	dBUF;	980	dBUF;
845		981
846	while (count > 0)	982	while (todo > 0)
847	{	983	{
848	size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE;	984	size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE;
849		985
850	pread (fd, aio_buf, len, offset);	986	pread (fd, aio_buf, len, offset);
851	offset += len;	987	offset += len;
852	count -= len;	988	todo -= len;
853	}	989	}
854		990
855	errno = 0;	991	errno = 0;
		992	return count;
856	}	993	}
857		994
858	#endif	995	#endif
859		996
860	#if !HAVE_READDIR_R	997	#if !HAVE_READDIR_R
861	# define readdir_r aio_readdir_r	998	# define readdir_r aio_readdir_r
862		999
863	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	1000	static mutex_t readdirlock = X_MUTEX_INIT;
864		1001
865	static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)	1002	static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res)
866	{	1003	{
867	struct dirent *e;	1004	X_DIRENT *e;
868	int errorno;	1005	int errorno;
869		1006
870	LOCK (readdirlock);	1007	X_LOCK (readdirlock);
871		1008
872	e = readdir (dirp);	1009	e = readdir (dirp);
873	errorno = errno;	1010	errorno = errno;
874		1011
875	if (e)	1012	if (e)
…		…
878	strcpy (ent->d_name, e->d_name);	1015	strcpy (ent->d_name, e->d_name);
879	}	1016	}
880	else	1017	else
881	*res = 0;	1018	*res = 0;
882		1019
883	UNLOCK (readdirlock);	1020	X_UNLOCK (readdirlock);
884		1021
885	errno = errorno;	1022	errno = errorno;
886	return e ? 0 : -1;	1023	return e ? 0 : -1;
887	}	1024	}
888	#endif	1025	#endif
…		…
984	static void scandir_ (aio_req req, worker *self)	1121	static void scandir_ (aio_req req, worker *self)
985	{	1122	{
986	DIR *dirp;	1123	DIR *dirp;
987	union	1124	union
988	{	1125	{
989	struct dirent d;	1126	X_DIRENT d;
990	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];	1127	char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1];
991	} *u;	1128	} *u;
992	struct dirent *entp;	1129	X_DIRENT *entp;
993	char *name, *names;	1130	char *name, *names;
994	int memlen = 4096;	1131	int memlen = 4096;
995	int memofs = 0;	1132	int memofs = 0;
996	int res = 0;	1133	int res = 0;
997	int errorno;
998		1134
999	LOCK (wrklock);	1135	X_LOCK (wrklock);
1000	self->dirp = dirp = opendir (req->ptr1);	1136	self->dirp = dirp = opendir (req->ptr1);
1001	self->dbuf = u = malloc (sizeof (*u));	1137	self->dbuf = u = malloc (sizeof (*u));
		1138	req->flags |= FLAG_PTR2_FREE;
1002	req->ptr2 = names = malloc (memlen);	1139	req->ptr2 = names = malloc (memlen);
1003	UNLOCK (wrklock);	1140	X_UNLOCK (wrklock);
1004		1141
1005	if (dirp && u && names)	1142	if (dirp && u && names)
1006	for (;;)	1143	for (;;)
1007	{	1144	{
1008	errno = 0;	1145	errno = 0;
…		…
1020	res++;	1157	res++;
1021		1158
1022	while (memofs + len > memlen)	1159	while (memofs + len > memlen)
1023	{	1160	{
1024	memlen *= 2;	1161	memlen *= 2;
1025	LOCK (wrklock);	1162	X_LOCK (wrklock);
1026	req->ptr2 = names = realloc (names, memlen);	1163	req->ptr2 = names = realloc (names, memlen);
1027	UNLOCK (wrklock);	1164	X_UNLOCK (wrklock);
1028		1165
1029	if (!names)	1166	if (!names)
1030	break;	1167	break;
1031	}	1168	}
1032		1169
…		…
1041	req->result = res;	1178	req->result = res;
1042	}	1179	}
1043		1180
1044	/*****************************************************************************/	1181	/*****************************************************************************/
1045		1182
1046	static void *aio_proc (void *thr_arg)	1183	X_THREAD_PROC (aio_proc)
1047	{	1184	{
		1185	{//D
1048	aio_req req;	1186	aio_req req;
1049	struct timespec ts;	1187	struct timespec ts;
1050	worker *self = (worker *)thr_arg;	1188	worker *self = (worker *)thr_arg;
1051		1189
1052	/* try to distribute timeouts somewhat evenly */	1190	/* try to distribute timeouts somewhat randomly */
1053	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1191	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1054	* (1000000000UL / 1024UL);
1055		1192
1056	for (;;)	1193	for (;;)
1057	{	1194	{
1058	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1195	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1059		1196
1060	LOCK (reqlock);	1197	X_LOCK (reqlock);
1061		1198
1062	for (;;)	1199	for (;;)
1063	{	1200	{
1064	self->req = req = reqq_shift (&req_queue);	1201	self->req = req = reqq_shift (&req_queue);
1065		1202
1066	if (req)	1203	if (req)
1067	break;	1204	break;
1068		1205
1069	++idle;	1206	++idle;
1070		1207
1071	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	1208	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1072	== ETIMEDOUT)	1209	== ETIMEDOUT)
1073	{	1210	{
1074	if (idle > max_idle)	1211	if (idle > max_idle)
1075	{	1212	{
1076	--idle;	1213	--idle;
1077	UNLOCK (reqlock);	1214	X_UNLOCK (reqlock);
1078	LOCK (wrklock);	1215	X_LOCK (wrklock);
1079	--started;	1216	--started;
1080	UNLOCK (wrklock);	1217	X_UNLOCK (wrklock);
1081	goto quit;	1218	goto quit;
1082	}	1219	}
1083		1220
1084	/* we are allowed to idle, so do so without any timeout */	1221	/* we are allowed to idle, so do so without any timeout */
1085	pthread_cond_wait (&reqwait, &reqlock);	1222	X_COND_WAIT (reqwait, reqlock);
1086	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1223	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1087	}	1224	}
1088		1225
1089	--idle;	1226	--idle;
1090	}	1227	}
1091		1228
1092	--nready;	1229	--nready;
1093		1230
1094	UNLOCK (reqlock);	1231	X_UNLOCK (reqlock);
1095		1232
1096	errno = 0; /* strictly unnecessary */	1233	errno = 0; /* strictly unnecessary */
1097		1234
1098	if (!(req->flags & FLAG_CANCELLED))	1235	if (!(req->flags & FLAG_CANCELLED))
1099	switch (req->type)	1236	switch (req->type)
1100	{	1237	{
1101	case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break;	1238	case REQ_READ: req->result = req->offs >= 0
1102	case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break;	1239	? pread (req->int1, req->ptr1, req->size, req->offs)
		1240	: read (req->int1, req->ptr1, req->size); break;
		1241	case REQ_WRITE: req->result = req->offs >= 0
		1242	? pwrite (req->int1, req->ptr1, req->size, req->offs)
		1243	: write (req->int1, req->ptr1, req->size); break;
1103		1244
1104	case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;	1245	case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1105	case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;	1246	case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1106		1247
1107	case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break;	1248	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1108	case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break;	1249	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1109	case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break;	1250	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
		1251
		1252	case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
		1253	case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
		1254	case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
		1255	case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
		1256	case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break;
		1257	case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;
1110		1258
1111	case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;	1259	case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1112	case REQ_CLOSE: req->result = close (req->int1); break;	1260	case REQ_CLOSE: req->result = PerlIO_close ((PerlIO *)req->ptr1); break;
1113	case REQ_UNLINK: req->result = unlink (req->ptr1); break;	1261	case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1114	case REQ_RMDIR: req->result = rmdir (req->ptr1); break;	1262	case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
		1263	case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1115	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;	1264	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1116	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;	1265	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1117	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;	1266	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1118	case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;	1267	case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;
1119	case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;	1268	case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
…		…
1121	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;	1270	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;
1122	case REQ_FSYNC: req->result = fsync (req->int1); break;	1271	case REQ_FSYNC: req->result = fsync (req->int1); break;
1123	case REQ_READDIR: scandir_ (req, self); break;	1272	case REQ_READDIR: scandir_ (req, self); break;
1124		1273
1125	case REQ_BUSY:	1274	case REQ_BUSY:
		1275	#ifdef _WIN32
		1276	Sleep (req->nv1 * 1000.);
		1277	#else
1126	{	1278	{
1127	struct timeval tv;	1279	struct timeval tv;
1128		1280
1129	tv.tv_sec = req->int1;	1281	tv.tv_sec = req->nv1;
1130	tv.tv_usec = req->int2;	1282	tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
1131		1283
1132	req->result = select (0, 0, 0, 0, &tv);	1284	req->result = select (0, 0, 0, 0, &tv);
		1285	}
		1286	#endif
		1287	break;
		1288
		1289	case REQ_UTIME:
		1290	case REQ_FUTIME:
		1291	{
		1292	struct timeval tv[2];
		1293	struct timeval *times;
		1294
		1295	if (req->nv1 != -1. || req->nv2 != -1.)
		1296	{
		1297	tv[0].tv_sec = req->nv1;
		1298	tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
		1299	tv[1].tv_sec = req->nv2;
		1300	tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
		1301
		1302	times = tv;
		1303	}
		1304	else
		1305	times = 0;
		1306
		1307
		1308	req->result = req->type == REQ_FUTIME
		1309	? futimes (req->int1, times)
		1310	: utimes (req->ptr1, times);
1133	}	1311	}
1134		1312
1135	case REQ_GROUP:	1313	case REQ_GROUP:
1136	case REQ_NOP:	1314	case REQ_NOP:
1137	break;	1315	break;
1138		1316
1139	case REQ_QUIT:	1317	case REQ_QUIT:
1140	goto quit;	1318	goto quit;
1141		1319
1142	default:	1320	default:
1143	req->result = ENOSYS;	1321	req->result = -1;
1144	break;	1322	break;
1145	}	1323	}
1146		1324
1147	req->errorno = errno;	1325	req->errorno = errno;
1148		1326
1149	LOCK (reslock);	1327	X_LOCK (reslock);
1150		1328
1151	++npending;	1329	++npending;
1152		1330
1153	if (!reqq_push (&res_queue, req))	1331	if (!reqq_push (&res_queue, req))
		1332	{
1154	/* write a dummy byte to the pipe so fh becomes ready */	1333	/* write a dummy byte to the pipe so fh becomes ready */
1155	write (respipe [1], &respipe, 1);	1334	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
		1335
		1336	/* optionally signal the main thread asynchronously */
		1337	if (main_sig)
		1338	pthread_kill (main_tid, main_sig);
		1339	}
1156		1340
1157	self->req = 0;	1341	self->req = 0;
1158	worker_clear (self);	1342	worker_clear (self);
1159		1343
1160	UNLOCK (reslock);	1344	X_UNLOCK (reslock);
1161	}	1345	}
1162		1346
1163	quit:	1347	quit:
1164	LOCK (wrklock);	1348	X_LOCK (wrklock);
1165	worker_free (self);	1349	worker_free (self);
1166	UNLOCK (wrklock);	1350	X_UNLOCK (wrklock);
1167		1351
1168	return 0;	1352	return 0;
		1353	}//D
1169	}	1354	}
1170		1355
1171	/*****************************************************************************/	1356	/*****************************************************************************/
1172		1357
1173	static void atfork_prepare (void)	1358	static void atfork_prepare (void)
1174	{	1359	{
1175	LOCK (wrklock);	1360	X_LOCK (wrklock);
1176	LOCK (reqlock);	1361	X_LOCK (reqlock);
1177	LOCK (reslock);	1362	X_LOCK (reslock);
1178	#if !HAVE_PREADWRITE	1363	#if !HAVE_PREADWRITE
1179	LOCK (preadwritelock);	1364	X_LOCK (preadwritelock);
1180	#endif	1365	#endif
1181	#if !HAVE_READDIR_R	1366	#if !HAVE_READDIR_R
1182	LOCK (readdirlock);	1367	X_LOCK (readdirlock);
1183	#endif	1368	#endif
1184	}	1369	}
1185		1370
1186	static void atfork_parent (void)	1371	static void atfork_parent (void)
1187	{	1372	{
1188	#if !HAVE_READDIR_R	1373	#if !HAVE_READDIR_R
1189	UNLOCK (readdirlock);	1374	X_UNLOCK (readdirlock);
1190	#endif	1375	#endif
1191	#if !HAVE_PREADWRITE	1376	#if !HAVE_PREADWRITE
1192	UNLOCK (preadwritelock);	1377	X_UNLOCK (preadwritelock);
1193	#endif	1378	#endif
1194	UNLOCK (reslock);	1379	X_UNLOCK (reslock);
1195	UNLOCK (reqlock);	1380	X_UNLOCK (reqlock);
1196	UNLOCK (wrklock);	1381	X_UNLOCK (wrklock);
1197	}	1382	}
1198		1383
1199	static void atfork_child (void)	1384	static void atfork_child (void)
1200	{	1385	{
1201	aio_req prv;	1386	aio_req prv;
1202		1387
1203	while (prv = reqq_shift (&req_queue))	1388	while (prv = reqq_shift (&req_queue))
1204	req_free (prv);	1389	req_destroy (prv);
1205		1390
1206	while (prv = reqq_shift (&res_queue))	1391	while (prv = reqq_shift (&res_queue))
1207	req_free (prv);	1392	req_destroy (prv);
1208		1393
1209	while (wrk_first.next != &wrk_first)	1394	while (wrk_first.next != &wrk_first)
1210	{	1395	{
1211	worker *wrk = wrk_first.next;	1396	worker *wrk = wrk_first.next;
1212		1397
1213	if (wrk->req)	1398	if (wrk->req)
1214	req_free (wrk->req);	1399	req_destroy (wrk->req);
1215		1400
1216	worker_clear (wrk);	1401	worker_clear (wrk);
1217	worker_free (wrk);	1402	worker_free (wrk);
1218	}	1403	}
1219		1404
…		…
1221	idle = 0;	1406	idle = 0;
1222	nreqs = 0;	1407	nreqs = 0;
1223	nready = 0;	1408	nready = 0;
1224	npending = 0;	1409	npending = 0;
1225		1410
1226	close (respipe [0]);
1227	close (respipe [1]);
1228	create_pipe ();	1411	create_respipe ();
1229		1412
1230	atfork_parent ();	1413	atfork_parent ();
1231	}	1414	}
1232		1415
1233	#define dREQ \	1416	#define dREQ \
…		…
1255		1438
1256	PROTOTYPES: ENABLE	1439	PROTOTYPES: ENABLE
1257		1440
1258	BOOT:	1441	BOOT:
1259	{	1442	{
1260	HV *stash = gv_stashpv ("IO::AIO", 1);	1443	stash = gv_stashpv ("IO::AIO", 1);
1261		1444
1262	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1445	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
1263	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1446	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1264	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	1447	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1265	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	1448	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1266	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	1449	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
		1450	#ifdef _WIN32
		1451	X_MUTEX_CHECK (wrklock);
		1452	X_MUTEX_CHECK (reslock);
		1453	X_MUTEX_CHECK (reqlock);
		1454	X_MUTEX_CHECK (reqwait);
		1455	X_MUTEX_CHECK (preadwritelock);
		1456	X_MUTEX_CHECK (readdirlock);
		1457
		1458	X_COND_CHECK (reqwait);
		1459	#else
1267	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	1460	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
		1461	newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
		1462	#endif
1268		1463
1269	create_pipe ();	1464	create_respipe ();
		1465
1270	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1466	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1271	}	1467	}
1272		1468
1273	void	1469	void
1274	max_poll_reqs (int nreqs)	1470	max_poll_reqs (int nreqs)
1275	PROTOTYPE: $	1471	PROTOTYPE: $
…		…
1304	max_outstanding = maxreqs;	1500	max_outstanding = maxreqs;
1305	OUTPUT:	1501	OUTPUT:
1306	RETVAL	1502	RETVAL
1307		1503
1308	void	1504	void
1309	aio_open (pathname,flags,mode,callback=&PL_sv_undef)	1505	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
1310	SV * pathname
1311	int flags
1312	int mode
1313	SV * callback
1314	PROTOTYPE: $$$;$	1506	PROTOTYPE: $$$;$
1315	PPCODE:	1507	PPCODE:
1316	{	1508	{
1317	dREQ;	1509	dREQ;
1318		1510
1319	req->type = REQ_OPEN;	1511	req->type = REQ_OPEN;
1320	req->sv1 = newSVsv (pathname);	1512	req->sv1 = newSVsv (pathname);
1321	req->ptr1 = SvPVbyte_nolen (pathname);	1513	req->ptr1 = SvPVbyte_nolen (req->sv1);
1322	req->int1 = flags;	1514	req->int1 = flags;
1323	req->mode = mode;	1515	req->mode = mode;
1324		1516
1325	REQ_SEND;	1517	REQ_SEND;
1326	}	1518	}
1327		1519
1328	void	1520	void
1329	aio_close (fh,callback=&PL_sv_undef)	1521	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
1330	SV * fh
1331	SV * callback
1332	PROTOTYPE: $;$	1522	PROTOTYPE: $;$
1333	ALIAS:	1523	ALIAS:
1334	aio_close = REQ_CLOSE
1335	aio_fsync = REQ_FSYNC	1524	aio_fsync = REQ_FSYNC
1336	aio_fdatasync = REQ_FDATASYNC	1525	aio_fdatasync = REQ_FDATASYNC
1337	PPCODE:	1526	PPCODE:
1338	{	1527	{
1339	dREQ;	1528	dREQ;
1340		1529
1341	req->type = ix;	1530	req->type = ix;
1342	req->fh = newSVsv (fh);	1531	req->sv1 = newSVsv (fh);
1343	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1532	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1344		1533
1345	REQ_SEND (req);	1534	REQ_SEND (req);
1346	}	1535	}
1347		1536
1348	void	1537	void
		1538	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1539	PROTOTYPE: $;$
		1540	PPCODE:
		1541	{
		1542	PerlIO *io = IoIFP (sv_2io (fh));
		1543	int fd = PerlIO_fileno (io);
		1544
		1545	if (fd < 0)
		1546	croak ("aio_close called with fd-less filehandle");
		1547
		1548	PerlIO_binmode (io, 0, 0, 0);
		1549
		1550	{
		1551	dREQ;
		1552
		1553	req->type = REQ_CLOSE;
		1554	req->sv1 = newSVsv (fh);
		1555	req->ptr1 = (void *)io;
		1556
		1557	REQ_SEND (req);
		1558	}
		1559	}
		1560
		1561	void
1349	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1562	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1350	SV * fh
1351	UV offset
1352	UV length
1353	SV * data
1354	UV dataoffset
1355	SV * callback
1356	ALIAS:	1563	ALIAS:
1357	aio_read = REQ_READ	1564	aio_read = REQ_READ
1358	aio_write = REQ_WRITE	1565	aio_write = REQ_WRITE
1359	PROTOTYPE: $$$$$;$	1566	PROTOTYPE: $$$$$;$
1360	PPCODE:	1567	PPCODE:
1361	{	1568	{
1362	STRLEN svlen;	1569	STRLEN svlen;
1363	char *svptr = SvPVbyte (data, svlen);	1570	char *svptr = SvPVbyte (data, svlen);
		1571	UV len = SvUV (length);
1364		1572
1365	SvUPGRADE (data, SVt_PV);	1573	SvUPGRADE (data, SVt_PV);
1366	SvPOK_on (data);	1574	SvPOK_on (data);
1367		1575
1368	if (dataoffset < 0)	1576	if (dataoffset < 0)
1369	dataoffset += svlen;	1577	dataoffset += svlen;
1370		1578
1371	if (dataoffset < 0 || dataoffset > svlen)	1579	if (dataoffset < 0 || dataoffset > svlen)
1372	croak ("data offset outside of string");	1580	croak ("dataoffset outside of data scalar");
1373		1581
1374	if (ix == REQ_WRITE)	1582	if (ix == REQ_WRITE)
1375	{	1583	{
1376	/* write: check length and adjust. */	1584	/* write: check length and adjust. */
1377	if (length < 0 || length + dataoffset > svlen)	1585	if (!SvOK (length) || len + dataoffset > svlen)
1378	length = svlen - dataoffset;	1586	len = svlen - dataoffset;
1379	}	1587	}
1380	else	1588	else
1381	{	1589	{
1382	/* read: grow scalar as necessary */	1590	/* read: grow scalar as necessary */
1383	svptr = SvGROW (data, length + dataoffset);	1591	svptr = SvGROW (data, len + dataoffset + 1);
1384	}	1592	}
1385		1593
1386	if (length < 0)	1594	if (len < 0)
1387	croak ("length must not be negative");	1595	croak ("length must not be negative");
1388		1596
1389	{	1597	{
1390	dREQ;	1598	dREQ;
1391		1599
1392	req->type = ix;	1600	req->type = ix;
1393	req->fh = newSVsv (fh);	1601	req->sv1 = newSVsv (fh);
1394	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	1602	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
1395	: IoOFP (sv_2io (fh)));	1603	: IoOFP (sv_2io (fh)));
1396	req->offs = offset;	1604	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1397	req->size = length;	1605	req->size = len;
1398	req->sv1 = SvREFCNT_inc (data);	1606	req->sv2 = SvREFCNT_inc (data);
1399	req->ptr1 = (char *)svptr + dataoffset;	1607	req->ptr1 = (char *)svptr + dataoffset;
1400	req->stroffset = dataoffset;	1608	req->stroffset = dataoffset;
1401		1609
1402	if (!SvREADONLY (data))	1610	if (!SvREADONLY (data))
1403	{	1611	{
1404	SvREADONLY_on (data);	1612	SvREADONLY_on (data);
1405	req->flags |= FLAG_DATA_RO_OFF;	1613	req->flags |= FLAG_SV2_RO_OFF;
1406	}	1614	}
1407		1615
1408	REQ_SEND;	1616	REQ_SEND;
1409	}	1617	}
1410	}	1618	}
1411		1619
1412	void	1620	void
1413	aio_readlink (path,callback=&PL_sv_undef)	1621	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1414	SV * path
1415	SV * callback
1416	PROTOTYPE: $$;$	1622	PROTOTYPE: $$;$
1417	PPCODE:	1623	PPCODE:
1418	{	1624	{
1419	SV *data;	1625	SV *data;
1420	dREQ;	1626	dREQ;
1421		1627
1422	data = newSV (NAME_MAX);	1628	data = newSV (NAME_MAX);
1423	SvPOK_on (data);	1629	SvPOK_on (data);
1424		1630
1425	req->type = REQ_READLINK;	1631	req->type = REQ_READLINK;
1426	req->fh = newSVsv (path);	1632	req->sv1 = newSVsv (path);
1427	req->ptr2 = SvPVbyte_nolen (path);	1633	req->ptr2 = SvPVbyte_nolen (req->sv1);
1428	req->sv1 = data;	1634	req->sv2 = data;
1429	req->ptr1 = SvPVbyte_nolen (data);	1635	req->ptr1 = SvPVbyte_nolen (data);
1430		1636
1431	REQ_SEND;	1637	REQ_SEND;
1432	}	1638	}
1433		1639
1434	void	1640	void
1435	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1641	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
1436	SV * out_fh
1437	SV * in_fh
1438	UV in_offset
1439	UV length
1440	SV * callback
1441	PROTOTYPE: $$$$;$	1642	PROTOTYPE: $$$$;$
1442	PPCODE:	1643	PPCODE:
1443	{	1644	{
1444	dREQ;	1645	dREQ;
1445		1646
1446	req->type = REQ_SENDFILE;	1647	req->type = REQ_SENDFILE;
1447	req->fh = newSVsv (out_fh);	1648	req->sv1 = newSVsv (out_fh);
1448	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1649	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1449	req->sv2 = newSVsv (in_fh);	1650	req->sv2 = newSVsv (in_fh);
1450	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1651	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1451	req->offs = in_offset;	1652	req->offs = SvVAL64 (in_offset);
1452	req->size = length;	1653	req->size = length;
1453		1654
1454	REQ_SEND;	1655	REQ_SEND;
1455	}	1656	}
1456		1657
1457	void	1658	void
1458	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1659	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
1459	SV * fh
1460	UV offset
1461	IV length
1462	SV * callback
1463	PROTOTYPE: $$$;$	1660	PROTOTYPE: $$$;$
1464	PPCODE:	1661	PPCODE:
1465	{	1662	{
1466	dREQ;	1663	dREQ;
1467		1664
1468	req->type = REQ_READAHEAD;	1665	req->type = REQ_READAHEAD;
1469	req->fh = newSVsv (fh);	1666	req->sv1 = newSVsv (fh);
1470	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1667	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1471	req->offs = offset;	1668	req->offs = SvVAL64 (offset);
1472	req->size = length;	1669	req->size = length;
1473		1670
1474	REQ_SEND;	1671	REQ_SEND;
1475	}	1672	}
1476		1673
1477	void	1674	void
1478	aio_stat (fh_or_path,callback=&PL_sv_undef)	1675	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1479	SV * fh_or_path
1480	SV * callback
1481	ALIAS:	1676	ALIAS:
1482	aio_stat = REQ_STAT	1677	aio_stat = REQ_STAT
1483	aio_lstat = REQ_LSTAT	1678	aio_lstat = REQ_LSTAT
1484	PPCODE:	1679	PPCODE:
1485	{	1680	{
1486	dREQ;	1681	dREQ;
1487		1682
1488	New (0, req->statdata, 1, Stat_t);	1683	req->ptr2 = malloc (sizeof (Stat_t));
1489	if (!req->statdata)	1684	if (!req->ptr2)
1490	{	1685	{
1491	req_free (req);	1686	req_destroy (req);
1492	croak ("out of memory during aio_req->statdata allocation");	1687	croak ("out of memory during aio_stat statdata allocation");
1493	}	1688	}
		1689
		1690	req->flags |= FLAG_PTR2_FREE;
		1691	req->sv1 = newSVsv (fh_or_path);
1494		1692
1495	if (SvPOK (fh_or_path))	1693	if (SvPOK (fh_or_path))
1496	{	1694	{
1497	req->type = ix;	1695	req->type = ix;
1498	req->sv1 = newSVsv (fh_or_path);
1499	req->ptr1 = SvPVbyte_nolen (fh_or_path);	1696	req->ptr1 = SvPVbyte_nolen (req->sv1);
1500	}	1697	}
1501	else	1698	else
1502	{	1699	{
1503	req->type = REQ_FSTAT;	1700	req->type = REQ_FSTAT;
1504	req->fh = newSVsv (fh_or_path);
1505	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1701	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1506	}	1702	}
1507		1703
1508	REQ_SEND;	1704	REQ_SEND;
1509	}	1705	}
1510		1706
1511	void	1707	void
		1708	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
		1709	PPCODE:
		1710	{
		1711	dREQ;
		1712
		1713	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
		1714	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
		1715	req->sv1 = newSVsv (fh_or_path);
		1716
		1717	if (SvPOK (fh_or_path))
		1718	{
		1719	req->type = REQ_UTIME;
		1720	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1721	}
		1722	else
		1723	{
		1724	req->type = REQ_FUTIME;
		1725	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1726	}
		1727
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
		1732	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
		1733	PPCODE:
		1734	{
		1735	dREQ;
		1736
		1737	req->sv1 = newSVsv (fh_or_path);
		1738	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
		1739
		1740	if (SvPOK (fh_or_path))
		1741	{
		1742	req->type = REQ_TRUNCATE;
		1743	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1744	}
		1745	else
		1746	{
		1747	req->type = REQ_FTRUNCATE;
		1748	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1749	}
		1750
		1751	REQ_SEND;
		1752	}
		1753
		1754	void
		1755	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
		1756	PPCODE:
		1757	{
		1758	dREQ;
		1759
		1760	req->mode = mode;
		1761	req->sv1 = newSVsv (fh_or_path);
		1762
		1763	if (SvPOK (fh_or_path))
		1764	{
		1765	req->type = REQ_CHMOD;
		1766	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1767	}
		1768	else
		1769	{
		1770	req->type = REQ_FCHMOD;
		1771	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1772	}
		1773
		1774	REQ_SEND;
		1775	}
		1776
		1777	void
		1778	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)
		1779	PPCODE:
		1780	{
		1781	dREQ;
		1782
		1783	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
		1784	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
		1785	req->sv1 = newSVsv (fh_or_path);
		1786
		1787	if (SvPOK (fh_or_path))
		1788	{
		1789	req->type = REQ_CHOWN;
		1790	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1791	}
		1792	else
		1793	{
		1794	req->type = REQ_FCHOWN;
		1795	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1796	}
		1797
		1798	REQ_SEND;
		1799	}
		1800
		1801	void
1512	aio_unlink (pathname,callback=&PL_sv_undef)	1802	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1513	SV * pathname
1514	SV * callback
1515	ALIAS:	1803	ALIAS:
1516	aio_unlink = REQ_UNLINK	1804	aio_unlink = REQ_UNLINK
1517	aio_rmdir = REQ_RMDIR	1805	aio_rmdir = REQ_RMDIR
1518	aio_readdir = REQ_READDIR	1806	aio_readdir = REQ_READDIR
1519	PPCODE:	1807	PPCODE:
1520	{	1808	{
1521	dREQ;	1809	dREQ;
1522		1810
1523	req->type = ix;	1811	req->type = ix;
1524	req->sv1 = newSVsv (pathname);	1812	req->sv1 = newSVsv (pathname);
1525	req->ptr1 = SvPVbyte_nolen (pathname);	1813	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1814
		1815	REQ_SEND;
		1816	}
		1817
		1818	void
		1819	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1820	PPCODE:
		1821	{
		1822	dREQ;
1526		1823
		1824	req->type = REQ_MKDIR;
		1825	req->sv1 = newSVsv (pathname);
		1826	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1827	req->mode = mode;
		1828
1527	REQ_SEND;	1829	REQ_SEND;
1528	}	1830	}
1529		1831
1530	void	1832	void
1531	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1833	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1532	SV * oldpath
1533	SV * newpath
1534	SV * callback
1535	ALIAS:	1834	ALIAS:
1536	aio_link = REQ_LINK	1835	aio_link = REQ_LINK
1537	aio_symlink = REQ_SYMLINK	1836	aio_symlink = REQ_SYMLINK
1538	aio_rename = REQ_RENAME	1837	aio_rename = REQ_RENAME
1539	PPCODE:	1838	PPCODE:
1540	{	1839	{
1541	dREQ;	1840	dREQ;
1542		1841
1543	req->type = ix;	1842	req->type = ix;
1544	req->fh = newSVsv (oldpath);	1843	req->sv2 = newSVsv (oldpath);
1545	req->ptr2 = SvPVbyte_nolen (req->fh);	1844	req->ptr2 = SvPVbyte_nolen (req->sv2);
1546	req->sv1 = newSVsv (newpath);	1845	req->sv1 = newSVsv (newpath);
1547	req->ptr1 = SvPVbyte_nolen (newpath);	1846	req->ptr1 = SvPVbyte_nolen (req->sv1);
1548		1847
1549	REQ_SEND;	1848	REQ_SEND;
1550	}	1849	}
1551		1850
1552	void	1851	void
1553	aio_mknod (pathname,mode,dev,callback=&PL_sv_undef)	1852	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
1554	SV * pathname
1555	SV * callback
1556	UV mode
1557	UV dev
1558	PPCODE:	1853	PPCODE:
1559	{	1854	{
1560	dREQ;	1855	dREQ;
1561		1856
1562	req->type = REQ_MKNOD;	1857	req->type = REQ_MKNOD;
1563	req->sv1 = newSVsv (pathname);	1858	req->sv1 = newSVsv (pathname);
1564	req->ptr1 = SvPVbyte_nolen (pathname);	1859	req->ptr1 = SvPVbyte_nolen (req->sv1);
1565	req->mode = (mode_t)mode;	1860	req->mode = (mode_t)mode;
1566	req->offs = dev;	1861	req->offs = dev;
1567		1862
1568	REQ_SEND;	1863	REQ_SEND;
1569	}	1864	}
1570		1865
1571	void	1866	void
1572	aio_busy (delay,callback=&PL_sv_undef)	1867	aio_busy (double delay, SV *callback=&PL_sv_undef)
1573	double delay
1574	SV * callback
1575	PPCODE:	1868	PPCODE:
1576	{	1869	{
1577	dREQ;	1870	dREQ;
1578		1871
1579	req->type = REQ_BUSY;	1872	req->type = REQ_BUSY;
1580	req->int1 = delay < 0. ? 0 : delay;	1873	req->nv1 = delay < 0. ? 0. : delay;
1581	req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1);
1582		1874
1583	REQ_SEND;	1875	REQ_SEND;
1584	}	1876	}
1585		1877
1586	void	1878	void
1587	aio_group (callback=&PL_sv_undef)	1879	aio_group (SV *callback=&PL_sv_undef)
1588	SV * callback
1589	PROTOTYPE: ;$	1880	PROTOTYPE: ;$
1590	PPCODE:	1881	PPCODE:
1591	{	1882	{
1592	dREQ;	1883	dREQ;
1593		1884
…		…
1596	req_send (req);	1887	req_send (req);
1597	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1888	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1598	}	1889	}
1599		1890
1600	void	1891	void
1601	aio_nop (callback=&PL_sv_undef)	1892	aio_nop (SV *callback=&PL_sv_undef)
1602	SV * callback
1603	PPCODE:	1893	PPCODE:
1604	{	1894	{
1605	dREQ;	1895	dREQ;
1606		1896
1607	req->type = REQ_NOP;	1897	req->type = REQ_NOP;
…		…
1636	PROTOTYPE:	1926	PROTOTYPE:
1637	CODE:	1927	CODE:
1638	while (nreqs)	1928	while (nreqs)
1639	{	1929	{
1640	poll_wait ();	1930	poll_wait ();
1641	poll_cb (0);	1931	poll_cb ();
1642	}	1932	}
1643		1933
1644	void	1934	int
1645	poll()	1935	poll()
1646	PROTOTYPE:	1936	PROTOTYPE:
1647	CODE:	1937	CODE:
1648	if (nreqs)
1649	{
1650	poll_wait ();	1938	poll_wait ();
1651	poll_cb (0);	1939	RETVAL = poll_cb ();
1652	}	1940	OUTPUT:
		1941	RETVAL
1653		1942
1654	int	1943	int
1655	poll_fileno()	1944	poll_fileno()
1656	PROTOTYPE:	1945	PROTOTYPE:
1657	CODE:	1946	CODE:
…		…
1669		1958
1670	void	1959	void
1671	poll_wait()	1960	poll_wait()
1672	PROTOTYPE:	1961	PROTOTYPE:
1673	CODE:	1962	CODE:
1674	if (nreqs)
1675	poll_wait ();	1963	poll_wait ();
		1964
		1965	void
		1966	setsig (int signum = SIGIO)
		1967	PROTOTYPE: ;$
		1968	CODE:
		1969	{
		1970	if (block_sig_level)
		1971	croak ("cannot call IO::AIO::setsig from within aio_block/callback");
		1972
		1973	X_LOCK (reslock);
		1974	main_tid = pthread_self ();
		1975	main_sig = signum;
		1976	X_UNLOCK (reslock);
		1977
		1978	if (main_sig && npending)
		1979	pthread_kill (main_tid, main_sig);
		1980	}
		1981
		1982	void
		1983	aio_block (SV *cb)
		1984	PROTOTYPE: &
		1985	PPCODE:
		1986	{
		1987	int count;
		1988
		1989	block_sig ();
		1990	PUSHMARK (SP);
		1991	PUTBACK;
		1992	count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
		1993	SPAGAIN;
		1994	unblock_sig ();
		1995
		1996	if (SvTRUE (ERRSV))
		1997	croak (0);
		1998
		1999	XSRETURN (count);
		2000	}
1676		2001
1677	int	2002	int
1678	nreqs()	2003	nreqs()
1679	PROTOTYPE:	2004	PROTOTYPE:
1680	CODE:	2005	CODE:
…		…
1700		2025
1701	int	2026	int
1702	nthreads()	2027	nthreads()
1703	PROTOTYPE:	2028	PROTOTYPE:
1704	CODE:	2029	CODE:
1705	if (WORDACCESS_UNSAFE) LOCK (wrklock);	2030	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1706	RETVAL = started;	2031	RETVAL = started;
1707	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	2032	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1708	OUTPUT:	2033	OUTPUT:
1709	RETVAL	2034	RETVAL
1710		2035
1711	PROTOTYPES: DISABLE	2036	PROTOTYPES: DISABLE
1712		2037
…		…
1730	PPCODE:	2055	PPCODE:
1731	{	2056	{
1732	int i;	2057	int i;
1733	aio_req req;	2058	aio_req req;
1734		2059
		2060	if (main_sig && !block_sig_level)
		2061	croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
		2062
1735	if (grp->int1 == 2)	2063	if (grp->int1 == 2)
1736	croak ("cannot add requests to IO::AIO::GRP after the group finished");	2064	croak ("cannot add requests to IO::AIO::GRP after the group finished");
1737		2065
1738	for (i = 1; i < items; ++i )	2066	for (i = 1; i < items; ++i )
1739	{	2067	{

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