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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.96 by root, Sat Dec 23 04:49:37 2006 UTC vs.
Revision 1.108 by root, Thu Oct 4 12:50:35 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>
22	#include <stdlib.h>	10	#include <stdlib.h>
23	#include <errno.h>	11	#include <errno.h>
24	#include <sys/time.h>
25	#include <sys/select.h>
26	#include <sys/types.h>	12	#include <sys/types.h>
27	#include <sys/stat.h>	13	#include <sys/stat.h>
28	#include <limits.h>	14	#include <limits.h>
29	#include <unistd.h>
30	#include <fcntl.h>	15	#include <fcntl.h>
31	#include <signal.h>
32	#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
33		68
34	#if HAVE_SENDFILE	69	#if HAVE_SENDFILE
35	# if __linux	70	# if __linux
36	# include <sys/sendfile.h>	71	# include <sys/sendfile.h>
37	# elif __freebsd	72	# elif __freebsd
…		…
52	/* used for struct dirent, AIX doesn't provide it */	87	/* used for struct dirent, AIX doesn't provide it */
53	#ifndef NAME_MAX	88	#ifndef NAME_MAX
54	# define NAME_MAX 4096	89	# define NAME_MAX 4096
55	#endif	90	#endif
56		91
57	#ifndef PTHREAD_STACK_MIN
58	/* care for broken platforms, e.g. windows */
59	# define PTHREAD_STACK_MIN 16384
60	#endif
61
62	#if __ia64
63	# define STACKSIZE 65536
64	#elif __i386 || __x86_64 /* 16k is unreasonably high :( */
65	# define STACKSIZE PTHREAD_STACK_MIN
66	#else
67	# define STACKSIZE 16384
68	#endif
69
70	/* wether word reads are potentially non-atomic.
71	* this is conservatice, likely most arches this runs
72	* on have atomic word read/writes.
73	*/
74	#ifndef WORDACCESS_UNSAFE
75	# if __i386 || __x86_64
76	# define WORDACCESS_UNSAFE 0
77	# else
78	# define WORDACCESS_UNSAFE 1
79	# endif
80	#endif
81
82	/* buffer size for various temporary buffers */	92	/* buffer size for various temporary buffers */
83	#define AIO_BUFSIZE 65536	93	#define AIO_BUFSIZE 65536
84		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
85	#define dBUF \	104	#define dBUF \
86	char *aio_buf; \	105	char *aio_buf; \
87	LOCK (wrklock); \	106	X_LOCK (wrklock); \
88	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \	107	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
89	UNLOCK (wrklock); \	108	X_UNLOCK (wrklock); \
90	if (!aio_buf) \	109	if (!aio_buf) \
91	return -1;	110	return -1;
92		111
93	typedef SV SV8; /* byte-sv, used for argument-checking */	112	typedef SV SV8; /* byte-sv, used for argument-checking */
94		113
95	enum {	114	enum {
96	REQ_QUIT,	115	REQ_QUIT,
97	REQ_OPEN, REQ_CLOSE,	116	REQ_OPEN, REQ_CLOSE,
98	REQ_READ, REQ_WRITE, REQ_READAHEAD,	117	REQ_READ, REQ_WRITE,
99	REQ_SENDFILE,	118	REQ_READAHEAD, REQ_SENDFILE,
100	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,
101	REQ_FSYNC, REQ_FDATASYNC,	124	REQ_FSYNC, REQ_FDATASYNC,
102	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	125	REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
103	REQ_MKNOD, REQ_READDIR,	126	REQ_MKNOD, REQ_READDIR,
104	REQ_LINK, REQ_SYMLINK, REQ_READLINK,	127	REQ_LINK, REQ_SYMLINK, REQ_READLINK,
105	REQ_GROUP, REQ_NOP,	128	REQ_GROUP, REQ_NOP,
106	REQ_BUSY,	129	REQ_BUSY,
107	};	130	};
…		…
111		134
112	typedef struct aio_cb	135	typedef struct aio_cb
113	{	136	{
114	struct aio_cb *volatile next;	137	struct aio_cb *volatile next;
115		138
116	SV *callback, *fh;	139	SV *callback;
117	SV *sv1, *sv2;	140	SV *sv1, *sv2;
118	void *ptr1, *ptr2;	141	void *ptr1, *ptr2;
119	off_t offs;	142	off_t offs;
120	size_t size;	143	size_t size;
121	ssize_t result;	144	ssize_t result;
		145	double nv1, nv2;
122		146
123	STRLEN stroffset;	147	STRLEN stroffset;
124	int type;	148	int type;
125	int int1, int2;	149	int int1, int2, int3;
126	int errorno;	150	int errorno;
127	mode_t mode; /* open */	151	mode_t mode; /* open */
128		152
129	unsigned char flags;	153	unsigned char flags;
130	unsigned char pri;	154	unsigned char pri;
…		…
133	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;	157	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;
134	} aio_cb;	158	} aio_cb;
135		159
136	enum {	160	enum {
137	FLAG_CANCELLED = 0x01, /* request was cancelled */	161	FLAG_CANCELLED = 0x01, /* request was cancelled */
138	FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */	162	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
139	FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */	163	FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
140	};	164	};
141		165
142	typedef aio_cb *aio_req;	166	typedef aio_cb *aio_req;
143	typedef aio_cb *aio_req_ornot;	167	typedef aio_cb *aio_req_ornot;
…		…
161	{	185	{
162	return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS	186	return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
163	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);	187	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);
164	}	188	}
165		189
166	static pthread_t main_tid;	190	static thread_t main_tid;
167	static int main_sig;	191	static int main_sig;
168	static int block_sig_level;	192	static int block_sig_level;
169		193
170	void block_sig ()	194	void block_sig ()
171	{	195	{
…		…
199		223
200	static int next_pri = DEFAULT_PRI + PRI_BIAS;	224	static int next_pri = DEFAULT_PRI + PRI_BIAS;
201		225
202	static unsigned int started, idle, wanted;	226	static unsigned int started, idle, wanted;
203		227
204	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
205	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
206	#else
207	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
208	#endif
209
210	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
211	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
212
213	/* worker threads management */	228	/* worker threads management */
214	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	229	static mutex_t wrklock = X_MUTEX_INIT;
215		230
216	typedef struct worker {	231	typedef struct worker {
217	/* locked by wrklock */	232	/* locked by wrklock */
218	struct worker *prev, *next;	233	struct worker *prev, *next;
219		234
220	pthread_t tid;	235	thread_t tid;
221		236
222	/* locked by reslock, reqlock or wrklock */	237	/* locked by reslock, reqlock or wrklock */
223	aio_req req; /* currently processed request */	238	aio_req req; /* currently processed request */
224	void *dbuf;	239	void *dbuf;
225	DIR *dirp;	240	DIR *dirp;
…		…
251	}	266	}
252		267
253	static volatile unsigned int nreqs, nready, npending;	268	static volatile unsigned int nreqs, nready, npending;
254	static volatile unsigned int max_idle = 4;	269	static volatile unsigned int max_idle = 4;
255	static volatile unsigned int max_outstanding = 0xffffffff;	270	static volatile unsigned int max_outstanding = 0xffffffff;
256	static int respipe [2];	271	static int respipe_osf [2], respipe [2] = { -1, -1 };
257		272
258	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	273	static mutex_t reslock = X_MUTEX_INIT;
259	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	274	static mutex_t reqlock = X_MUTEX_INIT;
260	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	275	static cond_t reqwait = X_COND_INIT;
261		276
262	#if WORDACCESS_UNSAFE	277	#if WORDACCESS_UNSAFE
263		278
264	static unsigned int get_nready ()	279	static unsigned int get_nready ()
265	{	280	{
266	unsigned int retval;	281	unsigned int retval;
267		282
268	LOCK (reqlock);	283	X_LOCK (reqlock);
269	retval = nready;	284	retval = nready;
270	UNLOCK (reqlock);	285	X_UNLOCK (reqlock);
271		286
272	return retval;	287	return retval;
273	}	288	}
274		289
275	static unsigned int get_npending ()	290	static unsigned int get_npending ()
276	{	291	{
277	unsigned int retval;	292	unsigned int retval;
278		293
279	LOCK (reslock);	294	X_LOCK (reslock);
280	retval = npending;	295	retval = npending;
281	UNLOCK (reslock);	296	X_UNLOCK (reslock);
282		297
283	return retval;	298	return retval;
284	}	299	}
285		300
286	static unsigned int get_nthreads ()	301	static unsigned int get_nthreads ()
287	{	302	{
288	unsigned int retval;	303	unsigned int retval;
289		304
290	LOCK (wrklock);	305	X_LOCK (wrklock);
291	retval = started;	306	retval = started;
292	UNLOCK (wrklock);	307	X_UNLOCK (wrklock);
293		308
294	return retval;	309	return retval;
295	}	310	}
296		311
297	#else	312	#else
…		…
356	abort ();	371	abort ();
357	}	372	}
358		373
359	static int poll_cb ();	374	static int poll_cb ();
360	static int req_invoke (aio_req req);	375	static int req_invoke (aio_req req);
361	static void req_free (aio_req req);	376	static void req_destroy (aio_req req);
362	static void req_cancel (aio_req req);	377	static void req_cancel (aio_req req);
363		378
364	/* must be called at most once */	379	/* must be called at most once */
365	static SV *req_sv (aio_req req, const char *klass)	380	static SV *req_sv (aio_req req, const char *klass)
366	{	381	{
…		…
432	{	447	{
433	block_sig ();	448	block_sig ();
434		449
435	if (!req_invoke (grp))	450	if (!req_invoke (grp))
436	{	451	{
437	req_free (grp);	452	req_destroy (grp);
438	unblock_sig ();	453	unblock_sig ();
439	croak (0);	454	croak (0);
440	}	455	}
441		456
442	req_free (grp);	457	req_destroy (grp);
443	unblock_sig ();	458	unblock_sig ();
444	}	459	}
445	}	460	}
446		461
447	static int req_invoke (aio_req req)	462	static int req_invoke (aio_req req)
448	{	463	{
449	dSP;	464	dSP;
450		465
451	if (req->flags & FLAG_SV1_RO_OFF)	466	if (req->flags & FLAG_SV2_RO_OFF)
452	SvREADONLY_off (req->sv1);	467	SvREADONLY_off (req->sv2);
453		468
454	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))	469	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))
455	{	470	{
456	ENTER;	471	ENTER;
457	SAVETMPS;	472	SAVETMPS;
…		…
488	break;	503	break;
489		504
490	case REQ_OPEN:	505	case REQ_OPEN:
491	{	506	{
492	/* convert fd to fh */	507	/* convert fd to fh */
493	SV *fh;	508	SV *fh = &PL_sv_undef;
494		509
495	PUSHs (sv_2mortal (newSViv (req->result)));	510	if (req->result >= 0)
496	PUTBACK;	511	{
497	call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);	512	GV *gv = (GV *)sv_newmortal ();
498	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);
499		519
500	fh = POPs;	520	symlen = snprintf (
501	PUSHMARK (SP);	521	sym,
		522	sizeof (sym),
		523	"%s&=%d",
		524	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		525	req->result
		526	);
		527
		528	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
		529	fh = (SV *)gv;
		530	}
		531
502	XPUSHs (fh);	532	XPUSHs (fh);
503	}	533	}
504	break;	534	break;
505		535
506	case REQ_GROUP:	536	case REQ_GROUP:
…		…
522	break;	552	break;
523		553
524	case REQ_READLINK:	554	case REQ_READLINK:
525	if (req->result > 0)	555	if (req->result > 0)
526	{	556	{
527	SvCUR_set (req->sv1, req->result);	557	SvCUR_set (req->sv2, req->result);
528	*SvEND (req->sv1) = 0;	558	*SvEND (req->sv2) = 0;
529	PUSHs (req->sv1);	559	PUSHs (req->sv2);
530	}	560	}
531	break;	561	break;
532		562
533	case REQ_STAT:	563	case REQ_STAT:
534	case REQ_LSTAT:	564	case REQ_LSTAT:
…		…
538	PL_statcache = *(Stat_t *)(req->ptr2);	568	PL_statcache = *(Stat_t *)(req->ptr2);
539	PUSHs (sv_2mortal (newSViv (req->result)));	569	PUSHs (sv_2mortal (newSViv (req->result)));
540	break;	570	break;
541		571
542	case REQ_READ:	572	case REQ_READ:
543	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));
544	*SvEND (req->sv1) = 0;	574	*SvEND (req->sv2) = 0;
545	PUSHs (sv_2mortal (newSViv (req->result)));	575	PUSHs (sv_2mortal (newSViv (req->result)));
546	break;	576	break;
547		577
548	default:	578	default:
549	PUSHs (sv_2mortal (newSViv (req->result)));	579	PUSHs (sv_2mortal (newSViv (req->result)));
…		…
575	}	605	}
576		606
577	return !SvTRUE (ERRSV);	607	return !SvTRUE (ERRSV);
578	}	608	}
579		609
580	static void req_free (aio_req req)	610	static void req_destroy (aio_req req)
581	{	611	{
582	if (req->self)	612	if (req->self)
583	{	613	{
584	sv_unmagic (req->self, PERL_MAGIC_ext);	614	sv_unmagic (req->self, PERL_MAGIC_ext);
585	SvREFCNT_dec (req->self);	615	SvREFCNT_dec (req->self);
586	}	616	}
587		617
588	SvREFCNT_dec (req->fh);
589	SvREFCNT_dec (req->sv1);	618	SvREFCNT_dec (req->sv1);
590	SvREFCNT_dec (req->sv2);	619	SvREFCNT_dec (req->sv2);
591	SvREFCNT_dec (req->callback);	620	SvREFCNT_dec (req->callback);
592		621
593	if (req->flags & FLAG_PTR2_FREE)	622	if (req->flags & FLAG_PTR2_FREE)
…		…
615	req->flags |= FLAG_CANCELLED;	644	req->flags |= FLAG_CANCELLED;
616		645
617	req_cancel_subs (req);	646	req_cancel_subs (req);
618	}	647	}
619		648
620	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);
621		694
622	static void start_thread (void)	695	static void start_thread (void)
623	{	696	{
624	sigset_t fullsigset, oldsigset;
625	pthread_attr_t attr;
626
627	worker *wrk = calloc (1, sizeof (worker));	697	worker *wrk = calloc (1, sizeof (worker));
628		698
629	if (!wrk)	699	if (!wrk)
630	croak ("unable to allocate worker thread data");	700	croak ("unable to allocate worker thread data");
631		701
632	pthread_attr_init (&attr);
633	pthread_attr_setstacksize (&attr, STACKSIZE);
634	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
635	#ifdef PTHREAD_SCOPE_PROCESS
636	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
637	#endif
638
639	sigfillset (&fullsigset);
640
641	LOCK (wrklock);	702	X_LOCK (wrklock);
642	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
643		703
644	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	704	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
645	{	705	{
646	wrk->prev = &wrk_first;	706	wrk->prev = &wrk_first;
647	wrk->next = wrk_first.next;	707	wrk->next = wrk_first.next;
648	wrk_first.next->prev = wrk;	708	wrk_first.next->prev = wrk;
649	wrk_first.next = wrk;	709	wrk_first.next = wrk;
650	++started;	710	++started;
651	}	711	}
652	else	712	else
653	free (wrk);	713	free (wrk);
654		714
655	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
656	UNLOCK (wrklock);	715	X_UNLOCK (wrklock);
657	}	716	}
658		717
659	static void maybe_start_thread ()	718	static void maybe_start_thread ()
660	{	719	{
661	if (get_nthreads () >= wanted)	720	if (get_nthreads () >= wanted)
…		…
672	{	731	{
673	block_sig ();	732	block_sig ();
674		733
675	++nreqs;	734	++nreqs;
676		735
677	LOCK (reqlock);	736	X_LOCK (reqlock);
678	++nready;	737	++nready;
679	reqq_push (&req_queue, req);	738	reqq_push (&req_queue, req);
680	pthread_cond_signal (&reqwait);	739	X_COND_SIGNAL (reqwait);
681	UNLOCK (reqlock);	740	X_UNLOCK (reqlock);
682		741
683	unblock_sig ();	742	unblock_sig ();
684		743
685	maybe_start_thread ();	744	maybe_start_thread ();
686	}	745	}
…		…
692	Newz (0, req, 1, aio_cb);	751	Newz (0, req, 1, aio_cb);
693		752
694	req->type = REQ_QUIT;	753	req->type = REQ_QUIT;
695	req->pri = PRI_MAX + PRI_BIAS;	754	req->pri = PRI_MAX + PRI_BIAS;
696		755
697	LOCK (reqlock);	756	X_LOCK (reqlock);
698	reqq_push (&req_queue, req);	757	reqq_push (&req_queue, req);
699	pthread_cond_signal (&reqwait);	758	X_COND_SIGNAL (reqwait);
700	UNLOCK (reqlock);	759	X_UNLOCK (reqlock);
701		760
702	LOCK (wrklock);	761	X_LOCK (wrklock);
703	--started;	762	--started;
704	UNLOCK (wrklock);	763	X_UNLOCK (wrklock);
705	}	764	}
706		765
707	static void set_max_idle (int nthreads)	766	static void set_max_idle (int nthreads)
708	{	767	{
709	if (WORDACCESS_UNSAFE) LOCK (reqlock);	768	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
710	max_idle = nthreads <= 0 ? 1 : nthreads;	769	max_idle = nthreads <= 0 ? 1 : nthreads;
711	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	770	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
712	}	771	}
713		772
714	static void min_parallel (int nthreads)	773	static void min_parallel (int nthreads)
715	{	774	{
716	if (wanted < nthreads)	775	if (wanted < nthreads)
…		…
731	fd_set rfd;	790	fd_set rfd;
732		791
733	while (nreqs)	792	while (nreqs)
734	{	793	{
735	int size;	794	int size;
736	if (WORDACCESS_UNSAFE) LOCK (reslock);	795	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
737	size = res_queue.size;	796	size = res_queue.size;
738	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	797	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
739		798
740	if (size)	799	if (size)
741	return;	800	return;
742		801
743	maybe_start_thread ();	802	maybe_start_thread ();
744		803
745	FD_ZERO(&rfd);	804	FD_ZERO (&rfd);
746	FD_SET(respipe [0], &rfd);	805	FD_SET (respipe [0], &rfd);
747		806
748	select (respipe [0] + 1, &rfd, 0, 0, 0);	807	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
749	}	808	}
750	}	809	}
751		810
752	static int poll_cb ()	811	static int poll_cb ()
753	{	812	{
…		…
767	{	826	{
768	for (;;)	827	for (;;)
769	{	828	{
770	maybe_start_thread ();	829	maybe_start_thread ();
771		830
772	LOCK (reslock);	831	X_LOCK (reslock);
773	req = reqq_shift (&res_queue);	832	req = reqq_shift (&res_queue);
774		833
775	if (req)	834	if (req)
776	{	835	{
777	--npending;	836	--npending;
778		837
779	if (!res_queue.size)	838	if (!res_queue.size)
780	{	839	{
781	/* read any signals sent by the worker threads */	840	/* read any signals sent by the worker threads */
782	char buf [4];	841	char buf [4];
783	while (read (respipe [0], buf, 4) == 4)	842	while (respipe_read (respipe [0], buf, 4) == 4)
784	;	843	;
785	}	844	}
786	}	845	}
787		846
788	UNLOCK (reslock);	847	X_UNLOCK (reslock);
789		848
790	if (!req)	849	if (!req)
791	break;	850	break;
792		851
793	--nreqs;	852	--nreqs;
…		…
799	}	858	}
800	else	859	else
801	{	860	{
802	if (!req_invoke (req))	861	if (!req_invoke (req))
803	{	862	{
804	req_free (req);	863	req_destroy (req);
805	unblock_sig ();	864	unblock_sig ();
806	croak (0);	865	croak (0);
807	}	866	}
808		867
809	count++;	868	count++;
810	}	869	}
811		870
812	req_free (req);	871	req_destroy (req);
813		872
814	if (maxreqs && !--maxreqs)	873	if (maxreqs && !--maxreqs)
815	break;	874	break;
816		875
817	if (max_poll_time)	876	if (max_poll_time)
…		…
831	++maxreqs;	890	++maxreqs;
832	}	891	}
833		892
834	unblock_sig ();	893	unblock_sig ();
835	return count;	894	return count;
836	}
837
838	static void create_pipe ()
839	{
840	if (pipe (respipe))
841	croak ("unable to initialize result pipe");
842
843	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
844	croak ("cannot set result pipe to nonblocking mode");
845
846	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
847	croak ("cannot set result pipe to nonblocking mode");
848	}	895	}
849		896
850	/*****************************************************************************/	897	/*****************************************************************************/
851	/* work around various missing functions */	898	/* work around various missing functions */
852		899
…		…
857	/*	904	/*
858	* make our pread/pwrite safe against themselves, but not against	905	* make our pread/pwrite safe against themselves, but not against
859	* 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,
860	* but that's your problem, not mine.	907	* but that's your problem, not mine.
861	*/	908	*/
862	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	909	static mutex_t preadwritelock = X_MUTEX_INIT;
863		910
864	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)
865	{	912	{
866	ssize_t res;	913	ssize_t res;
867	off_t ooffset;	914	off_t ooffset;
868		915
869	LOCK (preadwritelock);	916	X_LOCK (preadwritelock);
870	ooffset = lseek (fd, 0, SEEK_CUR);	917	ooffset = lseek (fd, 0, SEEK_CUR);
871	lseek (fd, offset, SEEK_SET);	918	lseek (fd, offset, SEEK_SET);
872	res = read (fd, buf, count);	919	res = read (fd, buf, count);
873	lseek (fd, ooffset, SEEK_SET);	920	lseek (fd, ooffset, SEEK_SET);
874	UNLOCK (preadwritelock);	921	X_UNLOCK (preadwritelock);
875		922
876	return res;	923	return res;
877	}	924	}
878		925
879	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)
880	{	927	{
881	ssize_t res;	928	ssize_t res;
882	off_t ooffset;	929	off_t ooffset;
883		930
884	LOCK (preadwritelock);	931	X_LOCK (preadwritelock);
885	ooffset = lseek (fd, 0, SEEK_CUR);	932	ooffset = lseek (fd, 0, SEEK_CUR);
886	lseek (fd, offset, SEEK_SET);	933	lseek (fd, offset, SEEK_SET);
887	res = write (fd, buf, count);	934	res = write (fd, buf, count);
888	lseek (fd, offset, SEEK_SET);	935	lseek (fd, offset, SEEK_SET);
889	UNLOCK (preadwritelock);	936	X_UNLOCK (preadwritelock);
890		937
891	return res;	938	return res;
892	}	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
893	#endif	968	#endif
894		969
895	#if !HAVE_FDATASYNC	970	#if !HAVE_FDATASYNC
896	# define fdatasync fsync	971	# define fdatasync fsync
897	#endif	972	#endif
…		…
899	#if !HAVE_READAHEAD	974	#if !HAVE_READAHEAD
900	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)	975	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)
901		976
902	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)
903	{	978	{
		979	size_t todo = count;
904	dBUF;	980	dBUF;
905		981
906	while (count > 0)	982	while (todo > 0)
907	{	983	{
908	size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE;	984	size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE;
909		985
910	pread (fd, aio_buf, len, offset);	986	pread (fd, aio_buf, len, offset);
911	offset += len;	987	offset += len;
912	count -= len;	988	todo -= len;
913	}	989	}
914		990
915	errno = 0;	991	errno = 0;
		992	return count;
916	}	993	}
917		994
918	#endif	995	#endif
919		996
920	#if !HAVE_READDIR_R	997	#if !HAVE_READDIR_R
921	# define readdir_r aio_readdir_r	998	# define readdir_r aio_readdir_r
922		999
923	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	1000	static mutex_t readdirlock = X_MUTEX_INIT;
924		1001
925	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)
926	{	1003	{
927	struct dirent *e;	1004	X_DIRENT *e;
928	int errorno;	1005	int errorno;
929		1006
930	LOCK (readdirlock);	1007	X_LOCK (readdirlock);
931		1008
932	e = readdir (dirp);	1009	e = readdir (dirp);
933	errorno = errno;	1010	errorno = errno;
934		1011
935	if (e)	1012	if (e)
…		…
938	strcpy (ent->d_name, e->d_name);	1015	strcpy (ent->d_name, e->d_name);
939	}	1016	}
940	else	1017	else
941	*res = 0;	1018	*res = 0;
942		1019
943	UNLOCK (readdirlock);	1020	X_UNLOCK (readdirlock);
944		1021
945	errno = errorno;	1022	errno = errorno;
946	return e ? 0 : -1;	1023	return e ? 0 : -1;
947	}	1024	}
948	#endif	1025	#endif
…		…
1044	static void scandir_ (aio_req req, worker *self)	1121	static void scandir_ (aio_req req, worker *self)
1045	{	1122	{
1046	DIR *dirp;	1123	DIR *dirp;
1047	union	1124	union
1048	{	1125	{
1049	struct dirent d;	1126	X_DIRENT d;
1050	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];	1127	char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1];
1051	} *u;	1128	} *u;
1052	struct dirent *entp;	1129	X_DIRENT *entp;
1053	char *name, *names;	1130	char *name, *names;
1054	int memlen = 4096;	1131	int memlen = 4096;
1055	int memofs = 0;	1132	int memofs = 0;
1056	int res = 0;	1133	int res = 0;
1057	int errorno;
1058		1134
1059	LOCK (wrklock);	1135	X_LOCK (wrklock);
1060	self->dirp = dirp = opendir (req->ptr1);	1136	self->dirp = dirp = opendir (req->ptr1);
1061	self->dbuf = u = malloc (sizeof (*u));	1137	self->dbuf = u = malloc (sizeof (*u));
1062	req->flags |= FLAG_PTR2_FREE;	1138	req->flags |= FLAG_PTR2_FREE;
1063	req->ptr2 = names = malloc (memlen);	1139	req->ptr2 = names = malloc (memlen);
1064	UNLOCK (wrklock);	1140	X_UNLOCK (wrklock);
1065		1141
1066	if (dirp && u && names)	1142	if (dirp && u && names)
1067	for (;;)	1143	for (;;)
1068	{	1144	{
1069	errno = 0;	1145	errno = 0;
…		…
1081	res++;	1157	res++;
1082		1158
1083	while (memofs + len > memlen)	1159	while (memofs + len > memlen)
1084	{	1160	{
1085	memlen *= 2;	1161	memlen *= 2;
1086	LOCK (wrklock);	1162	X_LOCK (wrklock);
1087	req->ptr2 = names = realloc (names, memlen);	1163	req->ptr2 = names = realloc (names, memlen);
1088	UNLOCK (wrklock);	1164	X_UNLOCK (wrklock);
1089		1165
1090	if (!names)	1166	if (!names)
1091	break;	1167	break;
1092	}	1168	}
1093		1169
…		…
1102	req->result = res;	1178	req->result = res;
1103	}	1179	}
1104		1180
1105	/*****************************************************************************/	1181	/*****************************************************************************/
1106		1182
1107	static void *aio_proc (void *thr_arg)	1183	X_THREAD_PROC (aio_proc)
1108	{	1184	{
		1185	{//D
1109	aio_req req;	1186	aio_req req;
1110	struct timespec ts;	1187	struct timespec ts;
1111	worker *self = (worker *)thr_arg;	1188	worker *self = (worker *)thr_arg;
1112		1189
1113	/* try to distribute timeouts somewhat evenly */	1190	/* try to distribute timeouts somewhat randomly */
1114	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1191	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1115	* (1000000000UL / 1024UL);
1116		1192
1117	for (;;)	1193	for (;;)
1118	{	1194	{
1119	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1195	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1120		1196
1121	LOCK (reqlock);	1197	X_LOCK (reqlock);
1122		1198
1123	for (;;)	1199	for (;;)
1124	{	1200	{
1125	self->req = req = reqq_shift (&req_queue);	1201	self->req = req = reqq_shift (&req_queue);
1126		1202
1127	if (req)	1203	if (req)
1128	break;	1204	break;
1129		1205
1130	++idle;	1206	++idle;
1131		1207
1132	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	1208	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1133	== ETIMEDOUT)	1209	== ETIMEDOUT)
1134	{	1210	{
1135	if (idle > max_idle)	1211	if (idle > max_idle)
1136	{	1212	{
1137	--idle;	1213	--idle;
1138	UNLOCK (reqlock);	1214	X_UNLOCK (reqlock);
1139	LOCK (wrklock);	1215	X_LOCK (wrklock);
1140	--started;	1216	--started;
1141	UNLOCK (wrklock);	1217	X_UNLOCK (wrklock);
1142	goto quit;	1218	goto quit;
1143	}	1219	}
1144		1220
1145	/* we are allowed to idle, so do so without any timeout */	1221	/* we are allowed to idle, so do so without any timeout */
1146	pthread_cond_wait (&reqwait, &reqlock);	1222	X_COND_WAIT (reqwait, reqlock);
1147	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1223	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1148	}	1224	}
1149		1225
1150	--idle;	1226	--idle;
1151	}	1227	}
1152		1228
1153	--nready;	1229	--nready;
1154		1230
1155	UNLOCK (reqlock);	1231	X_UNLOCK (reqlock);
1156		1232
1157	errno = 0; /* strictly unnecessary */	1233	errno = 0; /* strictly unnecessary */
1158		1234
1159	if (!(req->flags & FLAG_CANCELLED))	1235	if (!(req->flags & FLAG_CANCELLED))
1160	switch (req->type)	1236	switch (req->type)
1161	{	1237	{
1162	case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break;	1238	case REQ_READ: req->result = req->offs >= 0
1163	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;
1164		1244
1165	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;
1166	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;
1167		1247
1168	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;	1248	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1169	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;	1249	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1170	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;	1250	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1171		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;
		1258
1172	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;
1173	case REQ_CLOSE: req->result = close (req->int1); break;	1260	case REQ_CLOSE: req->result = PerlIO_close ((PerlIO *)req->ptr1); break;
1174	case REQ_UNLINK: req->result = unlink (req->ptr1); break;	1261	case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1175	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;
1176	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;	1264	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1177	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;	1265	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1178	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;	1266	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1179	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;
1180	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;
…		…
1182	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;	1270	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;
1183	case REQ_FSYNC: req->result = fsync (req->int1); break;	1271	case REQ_FSYNC: req->result = fsync (req->int1); break;
1184	case REQ_READDIR: scandir_ (req, self); break;	1272	case REQ_READDIR: scandir_ (req, self); break;
1185		1273
1186	case REQ_BUSY:	1274	case REQ_BUSY:
		1275	#ifdef _WIN32
		1276	Sleep (req->nv1 * 1000.);
		1277	#else
1187	{	1278	{
1188	struct timeval tv;	1279	struct timeval tv;
1189		1280
1190	tv.tv_sec = req->int1;	1281	tv.tv_sec = req->nv1;
1191	tv.tv_usec = req->int2;	1282	tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
1192		1283
1193	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);
1194	}	1311	}
1195		1312
1196	case REQ_GROUP:	1313	case REQ_GROUP:
1197	case REQ_NOP:	1314	case REQ_NOP:
1198	break;	1315	break;
1199		1316
1200	case REQ_QUIT:	1317	case REQ_QUIT:
1201	goto quit;	1318	goto quit;
1202		1319
1203	default:	1320	default:
1204	req->result = ENOSYS;	1321	req->result = -1;
1205	break;	1322	break;
1206	}	1323	}
1207		1324
1208	req->errorno = errno;	1325	req->errorno = errno;
1209		1326
1210	LOCK (reslock);	1327	X_LOCK (reslock);
1211		1328
1212	++npending;	1329	++npending;
1213		1330
1214	if (!reqq_push (&res_queue, req))	1331	if (!reqq_push (&res_queue, req))
1215	{	1332	{
1216	/* write a dummy byte to the pipe so fh becomes ready */	1333	/* write a dummy byte to the pipe so fh becomes ready */
1217	write (respipe [1], &respipe, 1);	1334	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1218		1335
1219	/* optionally signal the main thread asynchronously */	1336	/* optionally signal the main thread asynchronously */
1220	if (main_sig)	1337	if (main_sig)
1221	pthread_kill (main_tid, main_sig);	1338	pthread_kill (main_tid, main_sig);
1222	}	1339	}
1223		1340
1224	self->req = 0;	1341	self->req = 0;
1225	worker_clear (self);	1342	worker_clear (self);
1226		1343
1227	UNLOCK (reslock);	1344	X_UNLOCK (reslock);
1228	}	1345	}
1229		1346
1230	quit:	1347	quit:
1231	LOCK (wrklock);	1348	X_LOCK (wrklock);
1232	worker_free (self);	1349	worker_free (self);
1233	UNLOCK (wrklock);	1350	X_UNLOCK (wrklock);
1234		1351
1235	return 0;	1352	return 0;
		1353	}//D
1236	}	1354	}
1237		1355
1238	/*****************************************************************************/	1356	/*****************************************************************************/
1239		1357
1240	static void atfork_prepare (void)	1358	static void atfork_prepare (void)
1241	{	1359	{
1242	LOCK (wrklock);	1360	X_LOCK (wrklock);
1243	LOCK (reqlock);	1361	X_LOCK (reqlock);
1244	LOCK (reslock);	1362	X_LOCK (reslock);
1245	#if !HAVE_PREADWRITE	1363	#if !HAVE_PREADWRITE
1246	LOCK (preadwritelock);	1364	X_LOCK (preadwritelock);
1247	#endif	1365	#endif
1248	#if !HAVE_READDIR_R	1366	#if !HAVE_READDIR_R
1249	LOCK (readdirlock);	1367	X_LOCK (readdirlock);
1250	#endif	1368	#endif
1251	}	1369	}
1252		1370
1253	static void atfork_parent (void)	1371	static void atfork_parent (void)
1254	{	1372	{
1255	#if !HAVE_READDIR_R	1373	#if !HAVE_READDIR_R
1256	UNLOCK (readdirlock);	1374	X_UNLOCK (readdirlock);
1257	#endif	1375	#endif
1258	#if !HAVE_PREADWRITE	1376	#if !HAVE_PREADWRITE
1259	UNLOCK (preadwritelock);	1377	X_UNLOCK (preadwritelock);
1260	#endif	1378	#endif
1261	UNLOCK (reslock);	1379	X_UNLOCK (reslock);
1262	UNLOCK (reqlock);	1380	X_UNLOCK (reqlock);
1263	UNLOCK (wrklock);	1381	X_UNLOCK (wrklock);
1264	}	1382	}
1265		1383
1266	static void atfork_child (void)	1384	static void atfork_child (void)
1267	{	1385	{
1268	aio_req prv;	1386	aio_req prv;
1269		1387
1270	while (prv = reqq_shift (&req_queue))	1388	while (prv = reqq_shift (&req_queue))
1271	req_free (prv);	1389	req_destroy (prv);
1272		1390
1273	while (prv = reqq_shift (&res_queue))	1391	while (prv = reqq_shift (&res_queue))
1274	req_free (prv);	1392	req_destroy (prv);
1275		1393
1276	while (wrk_first.next != &wrk_first)	1394	while (wrk_first.next != &wrk_first)
1277	{	1395	{
1278	worker *wrk = wrk_first.next;	1396	worker *wrk = wrk_first.next;
1279		1397
1280	if (wrk->req)	1398	if (wrk->req)
1281	req_free (wrk->req);	1399	req_destroy (wrk->req);
1282		1400
1283	worker_clear (wrk);	1401	worker_clear (wrk);
1284	worker_free (wrk);	1402	worker_free (wrk);
1285	}	1403	}
1286		1404
…		…
1288	idle = 0;	1406	idle = 0;
1289	nreqs = 0;	1407	nreqs = 0;
1290	nready = 0;	1408	nready = 0;
1291	npending = 0;	1409	npending = 0;
1292		1410
1293	close (respipe [0]);
1294	close (respipe [1]);
1295	create_pipe ();	1411	create_respipe ();
1296		1412
1297	atfork_parent ();	1413	atfork_parent ();
1298	}	1414	}
1299		1415
1300	#define dREQ \	1416	#define dREQ \
…		…
1322		1438
1323	PROTOTYPES: ENABLE	1439	PROTOTYPES: ENABLE
1324		1440
1325	BOOT:	1441	BOOT:
1326	{	1442	{
1327	HV *stash = gv_stashpv ("IO::AIO", 1);	1443	stash = gv_stashpv ("IO::AIO", 1);
1328		1444
1329	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1445	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
1330	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1446	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1331	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	1447	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1332	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	1448	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1333	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
1334	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	1460	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1335	newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));	1461	newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
		1462	#endif
1336		1463
1337	create_pipe ();	1464	create_respipe ();
		1465
1338	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1466	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1339	}	1467	}
1340		1468
1341	void	1469	void
1342	max_poll_reqs (int nreqs)	1470	max_poll_reqs (int nreqs)
1343	PROTOTYPE: $	1471	PROTOTYPE: $
…		…
1372	max_outstanding = maxreqs;	1500	max_outstanding = maxreqs;
1373	OUTPUT:	1501	OUTPUT:
1374	RETVAL	1502	RETVAL
1375		1503
1376	void	1504	void
1377	aio_open (pathname,flags,mode,callback=&PL_sv_undef)	1505	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
1378	SV8 * pathname
1379	int flags
1380	int mode
1381	SV * callback
1382	PROTOTYPE: $$$;$	1506	PROTOTYPE: $$$;$
1383	PPCODE:	1507	PPCODE:
1384	{	1508	{
1385	dREQ;	1509	dREQ;
1386		1510
…		…
1392		1516
1393	REQ_SEND;	1517	REQ_SEND;
1394	}	1518	}
1395		1519
1396	void	1520	void
1397	aio_close (fh,callback=&PL_sv_undef)	1521	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
1398	SV * fh
1399	SV * callback
1400	PROTOTYPE: $;$	1522	PROTOTYPE: $;$
1401	ALIAS:	1523	ALIAS:
1402	aio_close = REQ_CLOSE
1403	aio_fsync = REQ_FSYNC	1524	aio_fsync = REQ_FSYNC
1404	aio_fdatasync = REQ_FDATASYNC	1525	aio_fdatasync = REQ_FDATASYNC
1405	PPCODE:	1526	PPCODE:
1406	{	1527	{
1407	dREQ;	1528	dREQ;
1408		1529
1409	req->type = ix;	1530	req->type = ix;
1410	req->fh = newSVsv (fh);	1531	req->sv1 = newSVsv (fh);
1411	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1532	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1412		1533
1413	REQ_SEND (req);	1534	REQ_SEND (req);
1414	}	1535	}
1415		1536
1416	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 (aTHX_ 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
1417	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)
1418	SV * fh
1419	UV offset
1420	UV length
1421	SV8 * data
1422	UV dataoffset
1423	SV * callback
1424	ALIAS:	1563	ALIAS:
1425	aio_read = REQ_READ	1564	aio_read = REQ_READ
1426	aio_write = REQ_WRITE	1565	aio_write = REQ_WRITE
1427	PROTOTYPE: $$$$$;$	1566	PROTOTYPE: $$$$$;$
1428	PPCODE:	1567	PPCODE:
1429	{	1568	{
1430	STRLEN svlen;	1569	STRLEN svlen;
1431	char *svptr = SvPVbyte (data, svlen);	1570	char *svptr = SvPVbyte (data, svlen);
		1571	UV len = SvUV (length);
1432		1572
1433	SvUPGRADE (data, SVt_PV);	1573	SvUPGRADE (data, SVt_PV);
1434	SvPOK_on (data);	1574	SvPOK_on (data);
1435		1575
1436	if (dataoffset < 0)	1576	if (dataoffset < 0)
1437	dataoffset += svlen;	1577	dataoffset += svlen;
1438		1578
1439	if (dataoffset < 0 || dataoffset > svlen)	1579	if (dataoffset < 0 || dataoffset > svlen)
1440	croak ("data offset outside of string");	1580	croak ("dataoffset outside of data scalar");
1441		1581
1442	if (ix == REQ_WRITE)	1582	if (ix == REQ_WRITE)
1443	{	1583	{
1444	/* write: check length and adjust. */	1584	/* write: check length and adjust. */
1445	if (length < 0 || length + dataoffset > svlen)	1585	if (!SvOK (length) || len + dataoffset > svlen)
1446	length = svlen - dataoffset;	1586	len = svlen - dataoffset;
1447	}	1587	}
1448	else	1588	else
1449	{	1589	{
1450	/* read: grow scalar as necessary */	1590	/* read: grow scalar as necessary */
1451	svptr = SvGROW (data, length + dataoffset + 1);	1591	svptr = SvGROW (data, len + dataoffset + 1);
1452	}	1592	}
1453		1593
1454	if (length < 0)	1594	if (len < 0)
1455	croak ("length must not be negative");	1595	croak ("length must not be negative");
1456		1596
1457	{	1597	{
1458	dREQ;	1598	dREQ;
1459		1599
1460	req->type = ix;	1600	req->type = ix;
1461	req->fh = newSVsv (fh);	1601	req->sv1 = newSVsv (fh);
1462	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	1602	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
1463	: IoOFP (sv_2io (fh)));	1603	: IoOFP (sv_2io (fh)));
1464	req->offs = offset;	1604	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1465	req->size = length;	1605	req->size = len;
1466	req->sv1 = SvREFCNT_inc (data);	1606	req->sv2 = SvREFCNT_inc (data);
1467	req->ptr1 = (char *)svptr + dataoffset;	1607	req->ptr1 = (char *)svptr + dataoffset;
1468	req->stroffset = dataoffset;	1608	req->stroffset = dataoffset;
1469		1609
1470	if (!SvREADONLY (data))	1610	if (!SvREADONLY (data))
1471	{	1611	{
1472	SvREADONLY_on (data);	1612	SvREADONLY_on (data);
1473	req->flags |= FLAG_SV1_RO_OFF;	1613	req->flags |= FLAG_SV2_RO_OFF;
1474	}	1614	}
1475		1615
1476	REQ_SEND;	1616	REQ_SEND;
1477	}	1617	}
1478	}	1618	}
1479		1619
1480	void	1620	void
1481	aio_readlink (path,callback=&PL_sv_undef)	1621	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1482	SV8 * path
1483	SV * callback
1484	PROTOTYPE: $$;$	1622	PROTOTYPE: $$;$
1485	PPCODE:	1623	PPCODE:
1486	{	1624	{
1487	SV *data;	1625	SV *data;
1488	dREQ;	1626	dREQ;
1489		1627
1490	data = newSV (NAME_MAX);	1628	data = newSV (NAME_MAX);
1491	SvPOK_on (data);	1629	SvPOK_on (data);
1492		1630
1493	req->type = REQ_READLINK;	1631	req->type = REQ_READLINK;
1494	req->fh = newSVsv (path);	1632	req->sv1 = newSVsv (path);
1495	req->ptr2 = SvPVbyte_nolen (req->fh);	1633	req->ptr2 = SvPVbyte_nolen (req->sv1);
1496	req->sv1 = data;	1634	req->sv2 = data;
1497	req->ptr1 = SvPVbyte_nolen (data);	1635	req->ptr1 = SvPVbyte_nolen (data);
1498		1636
1499	REQ_SEND;	1637	REQ_SEND;
1500	}	1638	}
1501		1639
1502	void	1640	void
1503	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1641	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
1504	SV * out_fh
1505	SV * in_fh
1506	UV in_offset
1507	UV length
1508	SV * callback
1509	PROTOTYPE: $$$$;$	1642	PROTOTYPE: $$$$;$
1510	PPCODE:	1643	PPCODE:
1511	{	1644	{
1512	dREQ;	1645	dREQ;
1513		1646
1514	req->type = REQ_SENDFILE;	1647	req->type = REQ_SENDFILE;
1515	req->fh = newSVsv (out_fh);	1648	req->sv1 = newSVsv (out_fh);
1516	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1649	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1517	req->sv2 = newSVsv (in_fh);	1650	req->sv2 = newSVsv (in_fh);
1518	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1651	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1519	req->offs = in_offset;	1652	req->offs = SvVAL64 (in_offset);
1520	req->size = length;	1653	req->size = length;
1521		1654
1522	REQ_SEND;	1655	REQ_SEND;
1523	}	1656	}
1524		1657
1525	void	1658	void
1526	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1659	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
1527	SV * fh
1528	UV offset
1529	IV length
1530	SV * callback
1531	PROTOTYPE: $$$;$	1660	PROTOTYPE: $$$;$
1532	PPCODE:	1661	PPCODE:
1533	{	1662	{
1534	dREQ;	1663	dREQ;
1535		1664
1536	req->type = REQ_READAHEAD;	1665	req->type = REQ_READAHEAD;
1537	req->fh = newSVsv (fh);	1666	req->sv1 = newSVsv (fh);
1538	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1667	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1539	req->offs = offset;	1668	req->offs = SvVAL64 (offset);
1540	req->size = length;	1669	req->size = length;
1541		1670
1542	REQ_SEND;	1671	REQ_SEND;
1543	}	1672	}
1544		1673
1545	void	1674	void
1546	aio_stat (fh_or_path,callback=&PL_sv_undef)	1675	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1547	SV8 * fh_or_path
1548	SV * callback
1549	ALIAS:	1676	ALIAS:
1550	aio_stat = REQ_STAT	1677	aio_stat = REQ_STAT
1551	aio_lstat = REQ_LSTAT	1678	aio_lstat = REQ_LSTAT
1552	PPCODE:	1679	PPCODE:
1553	{	1680	{
1554	dREQ;	1681	dREQ;
1555		1682
1556	req->ptr2 = malloc (sizeof (Stat_t));	1683	req->ptr2 = malloc (sizeof (Stat_t));
1557	if (!req->ptr2)	1684	if (!req->ptr2)
1558	{	1685	{
1559	req_free (req);	1686	req_destroy (req);
1560	croak ("out of memory during aio_stat statdata allocation");	1687	croak ("out of memory during aio_stat statdata allocation");
1561	}	1688	}
1562		1689
1563	req->flags |= FLAG_PTR2_FREE;	1690	req->flags |= FLAG_PTR2_FREE;
		1691	req->sv1 = newSVsv (fh_or_path);
1564		1692
1565	if (SvPOK (fh_or_path))	1693	if (SvPOK (fh_or_path))
1566	{	1694	{
1567	req->type = ix;	1695	req->type = ix;
1568	req->sv1 = newSVsv (fh_or_path);
1569	req->ptr1 = SvPVbyte_nolen (req->sv1);	1696	req->ptr1 = SvPVbyte_nolen (req->sv1);
1570	}	1697	}
1571	else	1698	else
1572	{	1699	{
1573	req->type = REQ_FSTAT;	1700	req->type = REQ_FSTAT;
1574	req->fh = newSVsv (fh_or_path);
1575	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1701	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1576	}	1702	}
1577		1703
1578	REQ_SEND;	1704	REQ_SEND;
1579	}	1705	}
1580		1706
1581	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
1582	aio_unlink (pathname,callback=&PL_sv_undef)	1802	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1583	SV8 * pathname
1584	SV * callback
1585	ALIAS:	1803	ALIAS:
1586	aio_unlink = REQ_UNLINK	1804	aio_unlink = REQ_UNLINK
1587	aio_rmdir = REQ_RMDIR	1805	aio_rmdir = REQ_RMDIR
1588	aio_readdir = REQ_READDIR	1806	aio_readdir = REQ_READDIR
1589	PPCODE:	1807	PPCODE:
…		…
1596		1814
1597	REQ_SEND;	1815	REQ_SEND;
1598	}	1816	}
1599		1817
1600	void	1818	void
		1819	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1820	PPCODE:
		1821	{
		1822	dREQ;
		1823
		1824	req->type = REQ_MKDIR;
		1825	req->sv1 = newSVsv (pathname);
		1826	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1827	req->mode = mode;
		1828
		1829	REQ_SEND;
		1830	}
		1831
		1832	void
1601	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1833	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1602	SV8 * oldpath
1603	SV8 * newpath
1604	SV * callback
1605	ALIAS:	1834	ALIAS:
1606	aio_link = REQ_LINK	1835	aio_link = REQ_LINK
1607	aio_symlink = REQ_SYMLINK	1836	aio_symlink = REQ_SYMLINK
1608	aio_rename = REQ_RENAME	1837	aio_rename = REQ_RENAME
1609	PPCODE:	1838	PPCODE:
1610	{	1839	{
1611	dREQ;	1840	dREQ;
1612		1841
1613	req->type = ix;	1842	req->type = ix;
1614	req->fh = newSVsv (oldpath);	1843	req->sv2 = newSVsv (oldpath);
1615	req->ptr2 = SvPVbyte_nolen (req->fh);	1844	req->ptr2 = SvPVbyte_nolen (req->sv2);
1616	req->sv1 = newSVsv (newpath);	1845	req->sv1 = newSVsv (newpath);
1617	req->ptr1 = SvPVbyte_nolen (req->sv1);	1846	req->ptr1 = SvPVbyte_nolen (req->sv1);
1618		1847
1619	REQ_SEND;	1848	REQ_SEND;
1620	}	1849	}
1621		1850
1622	void	1851	void
1623	aio_mknod (pathname,mode,dev,callback=&PL_sv_undef)	1852	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
1624	SV8 * pathname
1625	SV * callback
1626	UV mode
1627	UV dev
1628	PPCODE:	1853	PPCODE:
1629	{	1854	{
1630	dREQ;	1855	dREQ;
1631		1856
1632	req->type = REQ_MKNOD;	1857	req->type = REQ_MKNOD;
…		…
1637		1862
1638	REQ_SEND;	1863	REQ_SEND;
1639	}	1864	}
1640		1865
1641	void	1866	void
1642	aio_busy (delay,callback=&PL_sv_undef)	1867	aio_busy (double delay, SV *callback=&PL_sv_undef)
1643	double delay
1644	SV * callback
1645	PPCODE:	1868	PPCODE:
1646	{	1869	{
1647	dREQ;	1870	dREQ;
1648		1871
1649	req->type = REQ_BUSY;	1872	req->type = REQ_BUSY;
1650	req->int1 = delay < 0. ? 0 : delay;	1873	req->nv1 = delay < 0. ? 0. : delay;
1651	req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1);
1652		1874
1653	REQ_SEND;	1875	REQ_SEND;
1654	}	1876	}
1655		1877
1656	void	1878	void
1657	aio_group (callback=&PL_sv_undef)	1879	aio_group (SV *callback=&PL_sv_undef)
1658	SV * callback
1659	PROTOTYPE: ;$	1880	PROTOTYPE: ;$
1660	PPCODE:	1881	PPCODE:
1661	{	1882	{
1662	dREQ;	1883	dREQ;
1663		1884
…		…
1666	req_send (req);	1887	req_send (req);
1667	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1888	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1668	}	1889	}
1669		1890
1670	void	1891	void
1671	aio_nop (callback=&PL_sv_undef)	1892	aio_nop (SV *callback=&PL_sv_undef)
1672	SV * callback
1673	PPCODE:	1893	PPCODE:
1674	{	1894	{
1675	dREQ;	1895	dREQ;
1676		1896
1677	req->type = REQ_NOP;	1897	req->type = REQ_NOP;
…		…
1748	CODE:	1968	CODE:
1749	{	1969	{
1750	if (block_sig_level)	1970	if (block_sig_level)
1751	croak ("cannot call IO::AIO::setsig from within aio_block/callback");	1971	croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1752		1972
1753	LOCK (reslock);	1973	X_LOCK (reslock);
1754	main_tid = pthread_self ();	1974	main_tid = pthread_self ();
1755	main_sig = signum;	1975	main_sig = signum;
1756	UNLOCK (reslock);	1976	X_UNLOCK (reslock);
1757		1977
1758	if (main_sig && npending)	1978	if (main_sig && npending)
1759	pthread_kill (main_tid, main_sig);	1979	pthread_kill (main_tid, main_sig);
1760	}	1980	}
1761		1981
…		…
1805		2025
1806	int	2026	int
1807	nthreads()	2027	nthreads()
1808	PROTOTYPE:	2028	PROTOTYPE:
1809	CODE:	2029	CODE:
1810	if (WORDACCESS_UNSAFE) LOCK (wrklock);	2030	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1811	RETVAL = started;	2031	RETVAL = started;
1812	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	2032	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1813	OUTPUT:	2033	OUTPUT:
1814	RETVAL	2034	RETVAL
1815		2035
1816	PROTOTYPES: DISABLE	2036	PROTOTYPES: DISABLE
1817		2037

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