ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.98 by root, Wed May 9 06:45:12 2007 UTC vs.
Revision 1.113 by root, Wed Apr 16 16:45:18 2008 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
9	#include "autoconf/config.h"
10
11	#include <stddef.h>	9	#include <stddef.h>
12	#include <stdlib.h>	10	#include <stdlib.h>
13	#include <errno.h>	11	#include <errno.h>
14	#include <sys/time.h>
15	#include <sys/select.h>
16	#include <sys/types.h>	12	#include <sys/types.h>
17	#include <sys/stat.h>	13	#include <sys/stat.h>
18	#include <limits.h>	14	#include <limits.h>
19	#include <unistd.h>
20	#include <fcntl.h>	15	#include <fcntl.h>
21	#include <signal.h>
22	#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
23		68
24	#if HAVE_SENDFILE	69	#if HAVE_SENDFILE
25	# if __linux	70	# if __linux
26	# include <sys/sendfile.h>	71	# include <sys/sendfile.h>
27	# elif __freebsd	72	# elif __freebsd
…		…
45	#endif	90	#endif
46		91
47	/* buffer size for various temporary buffers */	92	/* buffer size for various temporary buffers */
48	#define AIO_BUFSIZE 65536	93	#define AIO_BUFSIZE 65536
49		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
50	#define dBUF \	104	#define dBUF \
51	char *aio_buf; \	105	char *aio_buf; \
52	LOCK (wrklock); \	106	X_LOCK (wrklock); \
53	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \	107	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
54	UNLOCK (wrklock); \	108	X_UNLOCK (wrklock); \
55	if (!aio_buf) \	109	if (!aio_buf) \
56	return -1;	110	return -1;
57		111
58	typedef SV SV8; /* byte-sv, used for argument-checking */	112	typedef SV SV8; /* byte-sv, used for argument-checking */
59		113
60	enum {	114	enum {
61	REQ_QUIT,	115	REQ_QUIT,
62	REQ_OPEN, REQ_CLOSE,	116	REQ_OPEN, REQ_CLOSE,
63	REQ_READ, REQ_WRITE, REQ_READAHEAD,	117	REQ_READ, REQ_WRITE,
64	REQ_SENDFILE,	118	REQ_READAHEAD, REQ_SENDFILE,
65	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,
66	REQ_FSYNC, REQ_FDATASYNC,	124	REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC,
67	REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,	125	REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
68	REQ_MKNOD, REQ_READDIR,	126	REQ_MKNOD, REQ_READDIR,
69	REQ_LINK, REQ_SYMLINK, REQ_READLINK,	127	REQ_LINK, REQ_SYMLINK, REQ_READLINK,
70	REQ_GROUP, REQ_NOP,	128	REQ_GROUP, REQ_NOP,
71	REQ_BUSY,	129	REQ_BUSY,
…		…
76		134
77	typedef struct aio_cb	135	typedef struct aio_cb
78	{	136	{
79	struct aio_cb *volatile next;	137	struct aio_cb *volatile next;
80		138
81	SV *callback, *fh;	139	SV *callback;
82	SV *sv1, *sv2;	140	SV *sv1, *sv2;
83	void *ptr1, *ptr2;	141	void *ptr1, *ptr2;
84	off_t offs;	142	off_t offs;
85	size_t size;	143	size_t size;
86	ssize_t result;	144	ssize_t result;
		145	double nv1, nv2;
87		146
88	STRLEN stroffset;	147	STRLEN stroffset;
89	int type;	148	int type;
90	int int1, int2;	149	int int1, int2, int3;
91	int errorno;	150	int errorno;
92	mode_t mode; /* open */	151	mode_t mode; /* open */
93		152
94	unsigned char flags;	153	unsigned char flags;
95	unsigned char pri;	154	unsigned char pri;
…		…
98	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;	157	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;
99	} aio_cb;	158	} aio_cb;
100		159
101	enum {	160	enum {
102	FLAG_CANCELLED = 0x01, /* request was cancelled */	161	FLAG_CANCELLED = 0x01, /* request was cancelled */
103	FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */	162	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
104	FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */	163	FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
105	};	164	};
106		165
107	typedef aio_cb *aio_req;	166	typedef aio_cb *aio_req;
108	typedef aio_cb *aio_req_ornot;	167	typedef aio_cb *aio_req_ornot;
…		…
130		189
131	static thread_t main_tid;	190	static thread_t main_tid;
132	static int main_sig;	191	static int main_sig;
133	static int block_sig_level;	192	static int block_sig_level;
134		193
135	void block_sig ()	194	void block_sig (void)
136	{	195	{
137	sigset_t ss;	196	sigset_t ss;
138		197
139	if (block_sig_level++)	198	if (block_sig_level++)
140	return;	199	return;
…		…
145	sigemptyset (&ss);	204	sigemptyset (&ss);
146	sigaddset (&ss, main_sig);	205	sigaddset (&ss, main_sig);
147	pthread_sigmask (SIG_BLOCK, &ss, 0);	206	pthread_sigmask (SIG_BLOCK, &ss, 0);
148	}	207	}
149		208
150	void unblock_sig ()	209	void unblock_sig (void)
151	{	210	{
152	sigset_t ss;	211	sigset_t ss;
153		212
154	if (--block_sig_level)	213	if (--block_sig_level)
155	return;	214	return;
…		…
165	static int next_pri = DEFAULT_PRI + PRI_BIAS;	224	static int next_pri = DEFAULT_PRI + PRI_BIAS;
166		225
167	static unsigned int started, idle, wanted;	226	static unsigned int started, idle, wanted;
168		227
169	/* worker threads management */	228	/* worker threads management */
170	static mutex_t wrklock = MUTEX_INIT;	229	static mutex_t wrklock = X_MUTEX_INIT;
171		230
172	typedef struct worker {	231	typedef struct worker {
173	/* locked by wrklock */	232	/* locked by wrklock */
174	struct worker *prev, *next;	233	struct worker *prev, *next;
175		234
…		…
207	}	266	}
208		267
209	static volatile unsigned int nreqs, nready, npending;	268	static volatile unsigned int nreqs, nready, npending;
210	static volatile unsigned int max_idle = 4;	269	static volatile unsigned int max_idle = 4;
211	static volatile unsigned int max_outstanding = 0xffffffff;	270	static volatile unsigned int max_outstanding = 0xffffffff;
212	static int respipe [2];	271	static int respipe_osf [2], respipe [2] = { -1, -1 };
213		272
214	static mutex_t reslock = MUTEX_INIT;	273	static mutex_t reslock = X_MUTEX_INIT;
215	static mutex_t reqlock = MUTEX_INIT;	274	static mutex_t reqlock = X_MUTEX_INIT;
216	static cond_t reqwait = COND_INIT;	275	static cond_t reqwait = X_COND_INIT;
217		276
218	#if WORDACCESS_UNSAFE	277	#if WORDACCESS_UNSAFE
219		278
220	static unsigned int get_nready ()	279	static unsigned int get_nready (void)
221	{	280	{
222	unsigned int retval;	281	unsigned int retval;
223		282
224	LOCK (reqlock);	283	X_LOCK (reqlock);
225	retval = nready;	284	retval = nready;
226	UNLOCK (reqlock);	285	X_UNLOCK (reqlock);
227		286
228	return retval;	287	return retval;
229	}	288	}
230		289
231	static unsigned int get_npending ()	290	static unsigned int get_npending (void)
232	{	291	{
233	unsigned int retval;	292	unsigned int retval;
234		293
235	LOCK (reslock);	294	X_LOCK (reslock);
236	retval = npending;	295	retval = npending;
237	UNLOCK (reslock);	296	X_UNLOCK (reslock);
238		297
239	return retval;	298	return retval;
240	}	299	}
241		300
242	static unsigned int get_nthreads ()	301	static unsigned int get_nthreads (void)
243	{	302	{
244	unsigned int retval;	303	unsigned int retval;
245		304
246	LOCK (wrklock);	305	X_LOCK (wrklock);
247	retval = started;	306	retval = started;
248	UNLOCK (wrklock);	307	X_UNLOCK (wrklock);
249		308
250	return retval;	309	return retval;
251	}	310	}
252		311
253	#else	312	#else
…		…
310	}	369	}
311		370
312	abort ();	371	abort ();
313	}	372	}
314		373
315	static int poll_cb ();	374	static int poll_cb (void);
316	static int req_invoke (aio_req req);	375	static int req_invoke (aio_req req);
317	static void req_free (aio_req req);	376	static void req_destroy (aio_req req);
318	static void req_cancel (aio_req req);	377	static void req_cancel (aio_req req);
319		378
320	/* must be called at most once */	379	/* must be called at most once */
321	static SV *req_sv (aio_req req, const char *klass)	380	static SV *req_sv (aio_req req, const char *klass)
322	{	381	{
…		…
388	{	447	{
389	block_sig ();	448	block_sig ();
390		449
391	if (!req_invoke (grp))	450	if (!req_invoke (grp))
392	{	451	{
393	req_free (grp);	452	req_destroy (grp);
394	unblock_sig ();	453	unblock_sig ();
395	croak (0);	454	croak (0);
396	}	455	}
397		456
398	req_free (grp);	457	req_destroy (grp);
399	unblock_sig ();	458	unblock_sig ();
400	}	459	}
401	}	460	}
402		461
403	static int req_invoke (aio_req req)	462	static int req_invoke (aio_req req)
404	{	463	{
405	dSP;	464	dSP;
406		465
407	if (req->flags & FLAG_SV1_RO_OFF)	466	if (req->flags & FLAG_SV2_RO_OFF)
408	SvREADONLY_off (req->sv1);	467	SvREADONLY_off (req->sv2);
409		468
410	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))	469	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))
411	{	470	{
412	ENTER;	471	ENTER;
413	SAVETMPS;	472	SAVETMPS;
…		…
444	break;	503	break;
445		504
446	case REQ_OPEN:	505	case REQ_OPEN:
447	{	506	{
448	/* convert fd to fh */	507	/* convert fd to fh */
449	SV *fh;	508	SV *fh = &PL_sv_undef;
450		509
451	PUSHs (sv_2mortal (newSViv (req->result)));	510	if (req->result >= 0)
452	PUTBACK;	511	{
453	call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);	512	GV *gv = (GV *)sv_newmortal ();
454	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);
455		519
456	fh = POPs;	520	symlen = snprintf (
457	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
458	XPUSHs (fh);	532	PUSHs (fh);
459	}	533	}
460	break;	534	break;
461		535
462	case REQ_GROUP:	536	case REQ_GROUP:
463	req->int1 = 2; /* mark group as finished */	537	req->int1 = 2; /* mark group as finished */
…		…
478	break;	552	break;
479		553
480	case REQ_READLINK:	554	case REQ_READLINK:
481	if (req->result > 0)	555	if (req->result > 0)
482	{	556	{
483	SvCUR_set (req->sv1, req->result);	557	SvCUR_set (req->sv2, req->result);
484	*SvEND (req->sv1) = 0;	558	*SvEND (req->sv2) = 0;
485	PUSHs (req->sv1);	559	PUSHs (req->sv2);
486	}	560	}
487	break;	561	break;
488		562
489	case REQ_STAT:	563	case REQ_STAT:
490	case REQ_LSTAT:	564	case REQ_LSTAT:
…		…
494	PL_statcache = *(Stat_t *)(req->ptr2);	568	PL_statcache = *(Stat_t *)(req->ptr2);
495	PUSHs (sv_2mortal (newSViv (req->result)));	569	PUSHs (sv_2mortal (newSViv (req->result)));
496	break;	570	break;
497		571
498	case REQ_READ:	572	case REQ_READ:
499	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));
500	*SvEND (req->sv1) = 0;	574	*SvEND (req->sv2) = 0;
501	PUSHs (sv_2mortal (newSViv (req->result)));	575	PUSHs (sv_2mortal (newSViv (req->result)));
502	break;	576	break;
503		577
504	default:	578	default:
505	PUSHs (sv_2mortal (newSViv (req->result)));	579	PUSHs (sv_2mortal (newSViv (req->result)));
…		…
507	}	581	}
508		582
509	errno = req->errorno;	583	errno = req->errorno;
510		584
511	PUTBACK;	585	PUTBACK;
512	call_sv (req->callback, G_VOID | G_EVAL);	586	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
513	SPAGAIN;	587	SPAGAIN;
514		588
515	FREETMPS;	589	FREETMPS;
516	LEAVE;	590	LEAVE;
		591
		592	PUTBACK;
517	}	593	}
518		594
519	if (req->grp)	595	if (req->grp)
520	{	596	{
521	aio_req grp = req->grp;	597	aio_req grp = req->grp;
…		…
531	}	607	}
532		608
533	return !SvTRUE (ERRSV);	609	return !SvTRUE (ERRSV);
534	}	610	}
535		611
536	static void req_free (aio_req req)	612	static void req_destroy (aio_req req)
537	{	613	{
538	if (req->self)	614	if (req->self)
539	{	615	{
540	sv_unmagic (req->self, PERL_MAGIC_ext);	616	sv_unmagic (req->self, PERL_MAGIC_ext);
541	SvREFCNT_dec (req->self);	617	SvREFCNT_dec (req->self);
542	}	618	}
543		619
544	SvREFCNT_dec (req->fh);
545	SvREFCNT_dec (req->sv1);	620	SvREFCNT_dec (req->sv1);
546	SvREFCNT_dec (req->sv2);	621	SvREFCNT_dec (req->sv2);
547	SvREFCNT_dec (req->callback);	622	SvREFCNT_dec (req->callback);
548		623
549	if (req->flags & FLAG_PTR2_FREE)	624	if (req->flags & FLAG_PTR2_FREE)
…		…
571	req->flags |= FLAG_CANCELLED;	646	req->flags |= FLAG_CANCELLED;
572		647
573	req_cancel_subs (req);	648	req_cancel_subs (req);
574	}	649	}
575		650
576	static void *aio_proc(void *arg);	651	#ifdef USE_SOCKETS_AS_HANDLES
		652	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		653	#else
		654	# define TO_SOCKET(x) (x)
		655	#endif
		656
		657	static void
		658	create_respipe (void)
		659	{
		660	int old_readfd = respipe [0];
		661
		662	if (respipe [1] >= 0)
		663	respipe_close (TO_SOCKET (respipe [1]));
		664
		665	#ifdef _WIN32
		666	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		667	#else
		668	if (pipe (respipe))
		669	#endif
		670	croak ("unable to initialize result pipe");
		671
		672	if (old_readfd >= 0)
		673	{
		674	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		675	croak ("unable to initialize result pipe(2)");
		676
		677	respipe_close (respipe [0]);
		678	respipe [0] = old_readfd;
		679	}
		680
		681	#ifdef _WIN32
		682	int arg = 1;
		683	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		684	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		685	#else
		686	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		687	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		688	#endif
		689	croak ("unable to initialize result pipe(3)");
		690
		691	respipe_osf [0] = TO_SOCKET (respipe [0]);
		692	respipe_osf [1] = TO_SOCKET (respipe [1]);
		693	}
		694
		695	X_THREAD_PROC (aio_proc);
577		696
578	static void start_thread (void)	697	static void start_thread (void)
579	{	698	{
580	worker *wrk = calloc (1, sizeof (worker));	699	worker *wrk = calloc (1, sizeof (worker));
581		700
582	if (!wrk)	701	if (!wrk)
583	croak ("unable to allocate worker thread data");	702	croak ("unable to allocate worker thread data");
584		703
585	LOCK (wrklock);	704	X_LOCK (wrklock);
586		705
587	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	706	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
588	{	707	{
589	wrk->prev = &wrk_first;	708	wrk->prev = &wrk_first;
590	wrk->next = wrk_first.next;	709	wrk->next = wrk_first.next;
…		…
593	++started;	712	++started;
594	}	713	}
595	else	714	else
596	free (wrk);	715	free (wrk);
597		716
598	UNLOCK (wrklock);	717	X_UNLOCK (wrklock);
599	}	718	}
600		719
601	static void maybe_start_thread ()	720	static void maybe_start_thread (void)
602	{	721	{
603	if (get_nthreads () >= wanted)	722	if (get_nthreads () >= wanted)
604	return;	723	return;
605		724
606	/* todo: maybe use idle here, but might be less exact */	725	/* todo: maybe use idle here, but might be less exact */
…		…
614	{	733	{
615	block_sig ();	734	block_sig ();
616		735
617	++nreqs;	736	++nreqs;
618		737
619	LOCK (reqlock);	738	X_LOCK (reqlock);
620	++nready;	739	++nready;
621	reqq_push (&req_queue, req);	740	reqq_push (&req_queue, req);
622	COND_SIGNAL (reqwait);	741	X_COND_SIGNAL (reqwait);
623	UNLOCK (reqlock);	742	X_UNLOCK (reqlock);
624		743
625	unblock_sig ();	744	unblock_sig ();
626		745
627	maybe_start_thread ();	746	maybe_start_thread ();
628	}	747	}
…		…
634	Newz (0, req, 1, aio_cb);	753	Newz (0, req, 1, aio_cb);
635		754
636	req->type = REQ_QUIT;	755	req->type = REQ_QUIT;
637	req->pri = PRI_MAX + PRI_BIAS;	756	req->pri = PRI_MAX + PRI_BIAS;
638		757
639	LOCK (reqlock);	758	X_LOCK (reqlock);
640	reqq_push (&req_queue, req);	759	reqq_push (&req_queue, req);
641	COND_SIGNAL (reqwait);	760	X_COND_SIGNAL (reqwait);
642	UNLOCK (reqlock);	761	X_UNLOCK (reqlock);
643		762
644	LOCK (wrklock);	763	X_LOCK (wrklock);
645	--started;	764	--started;
646	UNLOCK (wrklock);	765	X_UNLOCK (wrklock);
647	}	766	}
648		767
649	static void set_max_idle (int nthreads)	768	static void set_max_idle (int nthreads)
650	{	769	{
651	if (WORDACCESS_UNSAFE) LOCK (reqlock);	770	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
652	max_idle = nthreads <= 0 ? 1 : nthreads;	771	max_idle = nthreads <= 0 ? 1 : nthreads;
653	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	772	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
654	}	773	}
655		774
656	static void min_parallel (int nthreads)	775	static void min_parallel (int nthreads)
657	{	776	{
658	if (wanted < nthreads)	777	if (wanted < nthreads)
…		…
666		785
667	while (started > wanted)	786	while (started > wanted)
668	end_thread ();	787	end_thread ();
669	}	788	}
670		789
671	static void poll_wait ()	790	static void poll_wait (void)
672	{	791	{
673	fd_set rfd;	792	fd_set rfd;
674		793
675	while (nreqs)	794	while (nreqs)
676	{	795	{
677	int size;	796	int size;
678	if (WORDACCESS_UNSAFE) LOCK (reslock);	797	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
679	size = res_queue.size;	798	size = res_queue.size;
680	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	799	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
681		800
682	if (size)	801	if (size)
683	return;	802	return;
684		803
685	maybe_start_thread ();	804	maybe_start_thread ();
686		805
687	FD_ZERO(&rfd);	806	FD_ZERO (&rfd);
688	FD_SET(respipe [0], &rfd);	807	FD_SET (respipe [0], &rfd);
689		808
690	select (respipe [0] + 1, &rfd, 0, 0, 0);	809	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
691	}	810	}
692	}	811	}
693		812
694	static int poll_cb ()	813	static int poll_cb (void)
695	{	814	{
696	dSP;	815	dSP;
697	int count = 0;	816	int count = 0;
698	int maxreqs = max_poll_reqs;	817	int maxreqs = max_poll_reqs;
699	int do_croak = 0;	818	int do_croak = 0;
…		…
709	{	828	{
710	for (;;)	829	for (;;)
711	{	830	{
712	maybe_start_thread ();	831	maybe_start_thread ();
713		832
714	LOCK (reslock);	833	X_LOCK (reslock);
715	req = reqq_shift (&res_queue);	834	req = reqq_shift (&res_queue);
716		835
717	if (req)	836	if (req)
718	{	837	{
719	--npending;	838	--npending;
720		839
721	if (!res_queue.size)	840	if (!res_queue.size)
722	{	841	{
723	/* read any signals sent by the worker threads */	842	/* read any signals sent by the worker threads */
724	char buf [4];	843	char buf [4];
725	while (read (respipe [0], buf, 4) == 4)	844	while (respipe_read (respipe [0], buf, 4) == 4)
726	;	845	;
727	}	846	}
728	}	847	}
729		848
730	UNLOCK (reslock);	849	X_UNLOCK (reslock);
731		850
732	if (!req)	851	if (!req)
733	break;	852	break;
734		853
735	--nreqs;	854	--nreqs;
…		…
741	}	860	}
742	else	861	else
743	{	862	{
744	if (!req_invoke (req))	863	if (!req_invoke (req))
745	{	864	{
746	req_free (req);	865	req_destroy (req);
747	unblock_sig ();	866	unblock_sig ();
748	croak (0);	867	croak (0);
749	}	868	}
750		869
751	count++;	870	count++;
752	}	871	}
753		872
754	req_free (req);	873	req_destroy (req);
755		874
756	if (maxreqs && !--maxreqs)	875	if (maxreqs && !--maxreqs)
757	break;	876	break;
758		877
759	if (max_poll_time)	878	if (max_poll_time)
…		…
773	++maxreqs;	892	++maxreqs;
774	}	893	}
775		894
776	unblock_sig ();	895	unblock_sig ();
777	return count;	896	return count;
778	}
779
780	static void create_pipe ()
781	{
782	if (pipe (respipe))
783	croak ("unable to initialize result pipe");
784
785	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
786	croak ("cannot set result pipe to nonblocking mode");
787
788	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
789	croak ("cannot set result pipe to nonblocking mode");
790	}	897	}
791		898
792	/*****************************************************************************/	899	/*****************************************************************************/
793	/* work around various missing functions */	900	/* work around various missing functions */
794		901
…		…
799	/*	906	/*
800	* make our pread/pwrite safe against themselves, but not against	907	* make our pread/pwrite safe against themselves, but not against
801	* normal read/write by using a mutex. slows down execution a lot,	908	* normal read/write by using a mutex. slows down execution a lot,
802	* but that's your problem, not mine.	909	* but that's your problem, not mine.
803	*/	910	*/
804	static mutex_t preadwritelock = MUTEX_INIT;	911	static mutex_t preadwritelock = X_MUTEX_INIT;
805		912
806	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)	913	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
807	{	914	{
808	ssize_t res;	915	ssize_t res;
809	off_t ooffset;	916	off_t ooffset;
810		917
811	LOCK (preadwritelock);	918	X_LOCK (preadwritelock);
812	ooffset = lseek (fd, 0, SEEK_CUR);	919	ooffset = lseek (fd, 0, SEEK_CUR);
813	lseek (fd, offset, SEEK_SET);	920	lseek (fd, offset, SEEK_SET);
814	res = read (fd, buf, count);	921	res = read (fd, buf, count);
815	lseek (fd, ooffset, SEEK_SET);	922	lseek (fd, ooffset, SEEK_SET);
816	UNLOCK (preadwritelock);	923	X_UNLOCK (preadwritelock);
817		924
818	return res;	925	return res;
819	}	926	}
820		927
821	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)	928	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
822	{	929	{
823	ssize_t res;	930	ssize_t res;
824	off_t ooffset;	931	off_t ooffset;
825		932
826	LOCK (preadwritelock);	933	X_LOCK (preadwritelock);
827	ooffset = lseek (fd, 0, SEEK_CUR);	934	ooffset = lseek (fd, 0, SEEK_CUR);
828	lseek (fd, offset, SEEK_SET);	935	lseek (fd, offset, SEEK_SET);
829	res = write (fd, buf, count);	936	res = write (fd, buf, count);
830	lseek (fd, offset, SEEK_SET);	937	lseek (fd, offset, SEEK_SET);
831	UNLOCK (preadwritelock);	938	X_UNLOCK (preadwritelock);
832		939
833	return res;	940	return res;
834	}	941	}
		942	#endif
		943
		944	#ifndef HAVE_FUTIMES
		945
		946	# define utimes(path,times) aio_utimes (path, times)
		947	# define futimes(fd,times) aio_futimes (fd, times)
		948
		949	int aio_utimes (const char *filename, const struct timeval times[2])
		950	{
		951	if (times)
		952	{
		953	struct utimbuf buf;
		954
		955	buf.actime = times[0].tv_sec;
		956	buf.modtime = times[1].tv_sec;
		957
		958	return utime (filename, &buf);
		959	}
		960	else
		961	return utime (filename, 0);
		962	}
		963
		964	int aio_futimes (int fd, const struct timeval tv[2])
		965	{
		966	errno = ENOSYS;
		967	return -1;
		968	}
		969
835	#endif	970	#endif
836		971
837	#if !HAVE_FDATASYNC	972	#if !HAVE_FDATASYNC
838	# define fdatasync fsync	973	# define fdatasync fsync
839	#endif	974	#endif
…		…
841	#if !HAVE_READAHEAD	976	#if !HAVE_READAHEAD
842	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)	977	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)
843		978
844	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)	979	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)
845	{	980	{
		981	size_t todo = count;
846	dBUF;	982	dBUF;
847		983
848	while (count > 0)	984	while (todo > 0)
849	{	985	{
850	size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE;	986	size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE;
851		987
852	pread (fd, aio_buf, len, offset);	988	pread (fd, aio_buf, len, offset);
853	offset += len;	989	offset += len;
854	count -= len;	990	todo -= len;
855	}	991	}
856		992
857	errno = 0;	993	errno = 0;
		994	return count;
858	}	995	}
859		996
860	#endif	997	#endif
861		998
862	#if !HAVE_READDIR_R	999	#if !HAVE_READDIR_R
863	# define readdir_r aio_readdir_r	1000	# define readdir_r aio_readdir_r
864		1001
865	static mutex_t readdirlock = MUTEX_INIT;	1002	static mutex_t readdirlock = X_MUTEX_INIT;
866		1003
867	static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)	1004	static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res)
868	{	1005	{
869	struct dirent *e;	1006	X_DIRENT *e;
870	int errorno;	1007	int errorno;
871		1008
872	LOCK (readdirlock);	1009	X_LOCK (readdirlock);
873		1010
874	e = readdir (dirp);	1011	e = readdir (dirp);
875	errorno = errno;	1012	errorno = errno;
876		1013
877	if (e)	1014	if (e)
…		…
880	strcpy (ent->d_name, e->d_name);	1017	strcpy (ent->d_name, e->d_name);
881	}	1018	}
882	else	1019	else
883	*res = 0;	1020	*res = 0;
884		1021
885	UNLOCK (readdirlock);	1022	X_UNLOCK (readdirlock);
886		1023
887	errno = errorno;	1024	errno = errorno;
888	return e ? 0 : -1;	1025	return e ? 0 : -1;
889	}	1026	}
890	#endif	1027	#endif
…		…
986	static void scandir_ (aio_req req, worker *self)	1123	static void scandir_ (aio_req req, worker *self)
987	{	1124	{
988	DIR *dirp;	1125	DIR *dirp;
989	union	1126	union
990	{	1127	{
991	struct dirent d;	1128	X_DIRENT d;
992	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];	1129	char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1];
993	} *u;	1130	} *u;
994	struct dirent *entp;	1131	X_DIRENT *entp;
995	char *name, *names;	1132	char *name, *names;
996	int memlen = 4096;	1133	int memlen = 4096;
997	int memofs = 0;	1134	int memofs = 0;
998	int res = 0;	1135	int res = 0;
999	int errorno;
1000		1136
1001	LOCK (wrklock);	1137	X_LOCK (wrklock);
1002	self->dirp = dirp = opendir (req->ptr1);	1138	self->dirp = dirp = opendir (req->ptr1);
1003	self->dbuf = u = malloc (sizeof (*u));	1139	self->dbuf = u = malloc (sizeof (*u));
1004	req->flags |= FLAG_PTR2_FREE;	1140	req->flags |= FLAG_PTR2_FREE;
1005	req->ptr2 = names = malloc (memlen);	1141	req->ptr2 = names = malloc (memlen);
1006	UNLOCK (wrklock);	1142	X_UNLOCK (wrklock);
1007		1143
1008	if (dirp && u && names)	1144	if (dirp && u && names)
1009	for (;;)	1145	for (;;)
1010	{	1146	{
1011	errno = 0;	1147	errno = 0;
…		…
1023	res++;	1159	res++;
1024		1160
1025	while (memofs + len > memlen)	1161	while (memofs + len > memlen)
1026	{	1162	{
1027	memlen *= 2;	1163	memlen *= 2;
1028	LOCK (wrklock);	1164	X_LOCK (wrklock);
1029	req->ptr2 = names = realloc (names, memlen);	1165	req->ptr2 = names = realloc (names, memlen);
1030	UNLOCK (wrklock);	1166	X_UNLOCK (wrklock);
1031		1167
1032	if (!names)	1168	if (!names)
1033	break;	1169	break;
1034	}	1170	}
1035		1171
…		…
1042	res = -1;	1178	res = -1;
1043		1179
1044	req->result = res;	1180	req->result = res;
1045	}	1181	}
1046		1182
		1183	static int
		1184	aio_close (int fd)
		1185	{
		1186	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		1187
		1188	X_LOCK (wrklock);
		1189
		1190	if (close_pipe < 0)
		1191	{
		1192	int pipefd [2];
		1193
		1194	if (pipe (pipefd) < 0
		1195	|| close (pipefd [1]) < 0
		1196	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
		1197	{
		1198	X_UNLOCK (wrklock);
		1199	return -1;
		1200	}
		1201
		1202	close_pipe = pipefd [0];
		1203	}
		1204
		1205	X_UNLOCK (wrklock);
		1206
		1207	return dup2 (close_pipe, fd) < 0 ? -1 : 0;
		1208	}
		1209
1047	/*****************************************************************************/	1210	/*****************************************************************************/
1048		1211
1049	static void *aio_proc (void *thr_arg)	1212	X_THREAD_PROC (aio_proc)
1050	{	1213	{
1051	aio_req req;	1214	aio_req req;
1052	struct timespec ts;	1215	struct timespec ts;
1053	worker *self = (worker *)thr_arg;	1216	worker *self = (worker *)thr_arg;
1054		1217
1055	/* try to distribute timeouts somewhat evenly */	1218	/* try to distribute timeouts somewhat randomly */
1056	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1219	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1057	* (1000000000UL / 1024UL);
1058		1220
1059	for (;;)	1221	for (;;)
1060	{	1222	{
1061	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1223	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1062		1224
1063	LOCK (reqlock);	1225	X_LOCK (reqlock);
1064		1226
1065	for (;;)	1227	for (;;)
1066	{	1228	{
1067	self->req = req = reqq_shift (&req_queue);	1229	self->req = req = reqq_shift (&req_queue);
1068		1230
1069	if (req)	1231	if (req)
1070	break;	1232	break;
1071		1233
1072	++idle;	1234	++idle;
1073		1235
1074	if (COND_TIMEDWAIT (reqwait, reqlock, ts)	1236	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1075	== ETIMEDOUT)	1237	== ETIMEDOUT)
1076	{	1238	{
1077	if (idle > max_idle)	1239	if (idle > max_idle)
1078	{	1240	{
1079	--idle;	1241	--idle;
1080	UNLOCK (reqlock);	1242	X_UNLOCK (reqlock);
1081	LOCK (wrklock);	1243	X_LOCK (wrklock);
1082	--started;	1244	--started;
1083	UNLOCK (wrklock);	1245	X_UNLOCK (wrklock);
1084	goto quit;	1246	goto quit;
1085	}	1247	}
1086		1248
1087	/* we are allowed to idle, so do so without any timeout */	1249	/* we are allowed to idle, so do so without any timeout */
1088	COND_WAIT (reqwait, reqlock);	1250	X_COND_WAIT (reqwait, reqlock);
1089	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1251	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1090	}	1252	}
1091		1253
1092	--idle;	1254	--idle;
1093	}	1255	}
1094		1256
1095	--nready;	1257	--nready;
1096		1258
1097	UNLOCK (reqlock);	1259	X_UNLOCK (reqlock);
1098		1260
1099	errno = 0; /* strictly unnecessary */	1261	errno = 0; /* strictly unnecessary */
1100		1262
1101	if (!(req->flags & FLAG_CANCELLED))	1263	if (!(req->flags & FLAG_CANCELLED))
1102	switch (req->type)	1264	switch (req->type)
1103	{	1265	{
1104	case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break;	1266	case REQ_READ: req->result = req->offs >= 0
1105	case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break;	1267	? pread (req->int1, req->ptr1, req->size, req->offs)
		1268	: read (req->int1, req->ptr1, req->size); break;
		1269	case REQ_WRITE: req->result = req->offs >= 0
		1270	? pwrite (req->int1, req->ptr1, req->size, req->offs)
		1271	: write (req->int1, req->ptr1, req->size); break;
1106		1272
1107	case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;	1273	case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1108	case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;	1274	case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1109		1275
1110	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;	1276	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1111	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;	1277	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1112	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;	1278	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1113		1279
		1280	case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
		1281	case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
		1282	case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
		1283	case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
		1284	case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break;
		1285	case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;
		1286
1114	case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;	1287	case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1115	case REQ_CLOSE: req->result = close (req->int1); break;	1288	case REQ_CLOSE: req->result = aio_close (req->int1); break;
1116	case REQ_UNLINK: req->result = unlink (req->ptr1); break;	1289	case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1117	case REQ_RMDIR: req->result = rmdir (req->ptr1); break;	1290	case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
1118	case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;	1291	case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1119	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;	1292	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1120	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;	1293	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1121	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;	1294	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1122	case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;	1295	case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;
1123	case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;	1296	case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
1124		1297
		1298	case REQ_SYNC: req->result = 0; sync (); break;
		1299	case REQ_FSYNC: req->result = fsync (req->int1); break;
1125	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;	1300	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;
1126	case REQ_FSYNC: req->result = fsync (req->int1); break;	1301
1127	case REQ_READDIR: scandir_ (req, self); break;	1302	case REQ_READDIR: scandir_ (req, self); break;
1128		1303
1129	case REQ_BUSY:	1304	case REQ_BUSY:
		1305	#ifdef _WIN32
		1306	Sleep (req->nv1 * 1000.);
		1307	#else
1130	{	1308	{
1131	struct timeval tv;	1309	struct timeval tv;
1132		1310
1133	tv.tv_sec = req->int1;	1311	tv.tv_sec = req->nv1;
1134	tv.tv_usec = req->int2;	1312	tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
1135		1313
1136	req->result = select (0, 0, 0, 0, &tv);	1314	req->result = select (0, 0, 0, 0, &tv);
		1315	}
		1316	#endif
		1317	break;
		1318
		1319	case REQ_UTIME:
		1320	case REQ_FUTIME:
		1321	{
		1322	struct timeval tv[2];
		1323	struct timeval *times;
		1324
		1325	if (req->nv1 != -1. || req->nv2 != -1.)
		1326	{
		1327	tv[0].tv_sec = req->nv1;
		1328	tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
		1329	tv[1].tv_sec = req->nv2;
		1330	tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
		1331
		1332	times = tv;
		1333	}
		1334	else
		1335	times = 0;
		1336
		1337
		1338	req->result = req->type == REQ_FUTIME
		1339	? futimes (req->int1, times)
		1340	: utimes (req->ptr1, times);
1137	}	1341	}
1138		1342
1139	case REQ_GROUP:	1343	case REQ_GROUP:
1140	case REQ_NOP:	1344	case REQ_NOP:
1141	break;	1345	break;
1142		1346
1143	case REQ_QUIT:	1347	case REQ_QUIT:
1144	goto quit;	1348	goto quit;
1145		1349
1146	default:	1350	default:
1147	req->result = ENOSYS;	1351	req->result = -1;
1148	break;	1352	break;
1149	}	1353	}
1150		1354
1151	req->errorno = errno;	1355	req->errorno = errno;
1152		1356
1153	LOCK (reslock);	1357	X_LOCK (reslock);
1154		1358
1155	++npending;	1359	++npending;
1156		1360
1157	if (!reqq_push (&res_queue, req))	1361	if (!reqq_push (&res_queue, req))
1158	{	1362	{
1159	/* write a dummy byte to the pipe so fh becomes ready */	1363	/* write a dummy byte to the pipe so fh becomes ready */
1160	write (respipe [1], &respipe, 1);	1364	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1161		1365
1162	/* optionally signal the main thread asynchronously */	1366	/* optionally signal the main thread asynchronously */
1163	if (main_sig)	1367	if (main_sig)
1164	pthread_kill (main_tid, main_sig);	1368	pthread_kill (main_tid, main_sig);
1165	}	1369	}
1166		1370
1167	self->req = 0;	1371	self->req = 0;
1168	worker_clear (self);	1372	worker_clear (self);
1169		1373
1170	UNLOCK (reslock);	1374	X_UNLOCK (reslock);
1171	}	1375	}
1172		1376
1173	quit:	1377	quit:
1174	LOCK (wrklock);	1378	X_LOCK (wrklock);
1175	worker_free (self);	1379	worker_free (self);
1176	UNLOCK (wrklock);	1380	X_UNLOCK (wrklock);
1177		1381
1178	return 0;	1382	return 0;
1179	}	1383	}
1180		1384
1181	/*****************************************************************************/	1385	/*****************************************************************************/
1182		1386
1183	static void atfork_prepare (void)	1387	static void atfork_prepare (void)
1184	{	1388	{
1185	LOCK (wrklock);	1389	X_LOCK (wrklock);
1186	LOCK (reqlock);	1390	X_LOCK (reqlock);
1187	LOCK (reslock);	1391	X_LOCK (reslock);
1188	#if !HAVE_PREADWRITE	1392	#if !HAVE_PREADWRITE
1189	LOCK (preadwritelock);	1393	X_LOCK (preadwritelock);
1190	#endif	1394	#endif
1191	#if !HAVE_READDIR_R	1395	#if !HAVE_READDIR_R
1192	LOCK (readdirlock);	1396	X_LOCK (readdirlock);
1193	#endif	1397	#endif
1194	}	1398	}
1195		1399
1196	static void atfork_parent (void)	1400	static void atfork_parent (void)
1197	{	1401	{
1198	#if !HAVE_READDIR_R	1402	#if !HAVE_READDIR_R
1199	UNLOCK (readdirlock);	1403	X_UNLOCK (readdirlock);
1200	#endif	1404	#endif
1201	#if !HAVE_PREADWRITE	1405	#if !HAVE_PREADWRITE
1202	UNLOCK (preadwritelock);	1406	X_UNLOCK (preadwritelock);
1203	#endif	1407	#endif
1204	UNLOCK (reslock);	1408	X_UNLOCK (reslock);
1205	UNLOCK (reqlock);	1409	X_UNLOCK (reqlock);
1206	UNLOCK (wrklock);	1410	X_UNLOCK (wrklock);
1207	}	1411	}
1208		1412
1209	static void atfork_child (void)	1413	static void atfork_child (void)
1210	{	1414	{
1211	aio_req prv;	1415	aio_req prv;
1212		1416
1213	while (prv = reqq_shift (&req_queue))	1417	while (prv = reqq_shift (&req_queue))
1214	req_free (prv);	1418	req_destroy (prv);
1215		1419
1216	while (prv = reqq_shift (&res_queue))	1420	while (prv = reqq_shift (&res_queue))
1217	req_free (prv);	1421	req_destroy (prv);
1218		1422
1219	while (wrk_first.next != &wrk_first)	1423	while (wrk_first.next != &wrk_first)
1220	{	1424	{
1221	worker *wrk = wrk_first.next;	1425	worker *wrk = wrk_first.next;
1222		1426
1223	if (wrk->req)	1427	if (wrk->req)
1224	req_free (wrk->req);	1428	req_destroy (wrk->req);
1225		1429
1226	worker_clear (wrk);	1430	worker_clear (wrk);
1227	worker_free (wrk);	1431	worker_free (wrk);
1228	}	1432	}
1229		1433
…		…
1231	idle = 0;	1435	idle = 0;
1232	nreqs = 0;	1436	nreqs = 0;
1233	nready = 0;	1437	nready = 0;
1234	npending = 0;	1438	npending = 0;
1235		1439
1236	close (respipe [0]);
1237	close (respipe [1]);
1238	create_pipe ();	1440	create_respipe ();
1239		1441
1240	atfork_parent ();	1442	atfork_parent ();
1241	}	1443	}
1242		1444
1243	#define dREQ \	1445	#define dREQ \
…		…
1265		1467
1266	PROTOTYPES: ENABLE	1468	PROTOTYPES: ENABLE
1267		1469
1268	BOOT:	1470	BOOT:
1269	{	1471	{
1270	HV *stash = gv_stashpv ("IO::AIO", 1);	1472	stash = gv_stashpv ("IO::AIO", 1);
1271		1473
1272	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1474	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
1273	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1475	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1274	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	1476	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1275	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	1477	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1276	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	1478	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
		1479	#ifdef _WIN32
		1480	X_MUTEX_CHECK (wrklock);
		1481	X_MUTEX_CHECK (reslock);
		1482	X_MUTEX_CHECK (reqlock);
		1483	X_MUTEX_CHECK (reqwait);
		1484	X_MUTEX_CHECK (preadwritelock);
		1485	X_MUTEX_CHECK (readdirlock);
		1486
		1487	X_COND_CHECK (reqwait);
		1488	#else
1277	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	1489	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1278	newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));	1490	newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
		1491	#endif
1279		1492
1280	create_pipe ();	1493	create_respipe ();
		1494
1281	ATFORK (atfork_prepare, atfork_parent, atfork_child);	1495	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1282	}	1496	}
1283		1497
1284	void	1498	void
1285	max_poll_reqs (int nreqs)	1499	max_poll_reqs (int nreqs)
1286	PROTOTYPE: $	1500	PROTOTYPE: $
…		…
1315	max_outstanding = maxreqs;	1529	max_outstanding = maxreqs;
1316	OUTPUT:	1530	OUTPUT:
1317	RETVAL	1531	RETVAL
1318		1532
1319	void	1533	void
1320	aio_open (pathname,flags,mode,callback=&PL_sv_undef)	1534	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
1321	SV8 * pathname
1322	int flags
1323	int mode
1324	SV * callback
1325	PROTOTYPE: $$$;$	1535	PROTOTYPE: $$$;$
1326	PPCODE:	1536	PPCODE:
1327	{	1537	{
1328	dREQ;	1538	dREQ;
1329		1539
…		…
1335		1545
1336	REQ_SEND;	1546	REQ_SEND;
1337	}	1547	}
1338		1548
1339	void	1549	void
1340	aio_close (fh,callback=&PL_sv_undef)	1550	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
1341	SV * fh
1342	SV * callback
1343	PROTOTYPE: $;$	1551	PROTOTYPE: $;$
1344	ALIAS:	1552	ALIAS:
1345	aio_close = REQ_CLOSE
1346	aio_fsync = REQ_FSYNC	1553	aio_fsync = REQ_FSYNC
1347	aio_fdatasync = REQ_FDATASYNC	1554	aio_fdatasync = REQ_FDATASYNC
1348	PPCODE:	1555	PPCODE:
1349	{	1556	{
1350	dREQ;	1557	dREQ;
1351		1558
1352	req->type = ix;	1559	req->type = ix;
1353	req->fh = newSVsv (fh);	1560	req->sv1 = newSVsv (fh);
1354	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1561	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1355		1562
1356	REQ_SEND (req);	1563	REQ_SEND (req);
1357	}	1564	}
1358		1565
1359	void	1566	void
		1567	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1568	PROTOTYPE: $;$
		1569	PPCODE:
		1570	{
		1571	dREQ;
		1572
		1573	req->type = REQ_CLOSE;
		1574	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
		1575
		1576	REQ_SEND (req);
		1577	}
		1578
		1579	void
1360	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1580	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1361	SV * fh
1362	UV offset
1363	UV length
1364	SV8 * data
1365	UV dataoffset
1366	SV * callback
1367	ALIAS:	1581	ALIAS:
1368	aio_read = REQ_READ	1582	aio_read = REQ_READ
1369	aio_write = REQ_WRITE	1583	aio_write = REQ_WRITE
1370	PROTOTYPE: $$$$$;$	1584	PROTOTYPE: $$$$$;$
1371	PPCODE:	1585	PPCODE:
1372	{	1586	{
1373	STRLEN svlen;	1587	STRLEN svlen;
1374	char *svptr = SvPVbyte (data, svlen);	1588	char *svptr = SvPVbyte (data, svlen);
		1589	UV len = SvUV (length);
1375		1590
1376	SvUPGRADE (data, SVt_PV);	1591	SvUPGRADE (data, SVt_PV);
1377	SvPOK_on (data);	1592	SvPOK_on (data);
1378		1593
1379	if (dataoffset < 0)	1594	if (dataoffset < 0)
1380	dataoffset += svlen;	1595	dataoffset += svlen;
1381		1596
1382	if (dataoffset < 0 || dataoffset > svlen)	1597	if (dataoffset < 0 || dataoffset > svlen)
1383	croak ("data offset outside of string");	1598	croak ("dataoffset outside of data scalar");
1384		1599
1385	if (ix == REQ_WRITE)	1600	if (ix == REQ_WRITE)
1386	{	1601	{
1387	/* write: check length and adjust. */	1602	/* write: check length and adjust. */
1388	if (length < 0 || length + dataoffset > svlen)	1603	if (!SvOK (length) || len + dataoffset > svlen)
1389	length = svlen - dataoffset;	1604	len = svlen - dataoffset;
1390	}	1605	}
1391	else	1606	else
1392	{	1607	{
1393	/* read: grow scalar as necessary */	1608	/* read: grow scalar as necessary */
1394	svptr = SvGROW (data, length + dataoffset + 1);	1609	svptr = SvGROW (data, len + dataoffset + 1);
1395	}	1610	}
1396		1611
1397	if (length < 0)	1612	if (len < 0)
1398	croak ("length must not be negative");	1613	croak ("length must not be negative");
1399		1614
1400	{	1615	{
1401	dREQ;	1616	dREQ;
1402		1617
1403	req->type = ix;	1618	req->type = ix;
1404	req->fh = newSVsv (fh);	1619	req->sv1 = newSVsv (fh);
1405	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	1620	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
1406	: IoOFP (sv_2io (fh)));	1621	: IoOFP (sv_2io (fh)));
1407	req->offs = offset;	1622	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1408	req->size = length;	1623	req->size = len;
1409	req->sv1 = SvREFCNT_inc (data);	1624	req->sv2 = SvREFCNT_inc (data);
1410	req->ptr1 = (char *)svptr + dataoffset;	1625	req->ptr1 = (char *)svptr + dataoffset;
1411	req->stroffset = dataoffset;	1626	req->stroffset = dataoffset;
1412		1627
1413	if (!SvREADONLY (data))	1628	if (!SvREADONLY (data))
1414	{	1629	{
1415	SvREADONLY_on (data);	1630	SvREADONLY_on (data);
1416	req->flags |= FLAG_SV1_RO_OFF;	1631	req->flags |= FLAG_SV2_RO_OFF;
1417	}	1632	}
1418		1633
1419	REQ_SEND;	1634	REQ_SEND;
1420	}	1635	}
1421	}	1636	}
1422		1637
1423	void	1638	void
1424	aio_readlink (path,callback=&PL_sv_undef)	1639	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1425	SV8 * path
1426	SV * callback
1427	PROTOTYPE: $$;$	1640	PROTOTYPE: $$;$
1428	PPCODE:	1641	PPCODE:
1429	{	1642	{
1430	SV *data;	1643	SV *data;
1431	dREQ;	1644	dREQ;
1432		1645
1433	data = newSV (NAME_MAX);	1646	data = newSV (NAME_MAX);
1434	SvPOK_on (data);	1647	SvPOK_on (data);
1435		1648
1436	req->type = REQ_READLINK;	1649	req->type = REQ_READLINK;
1437	req->fh = newSVsv (path);	1650	req->sv1 = newSVsv (path);
1438	req->ptr2 = SvPVbyte_nolen (req->fh);	1651	req->ptr2 = SvPVbyte_nolen (req->sv1);
1439	req->sv1 = data;	1652	req->sv2 = data;
1440	req->ptr1 = SvPVbyte_nolen (data);	1653	req->ptr1 = SvPVbyte_nolen (data);
1441		1654
1442	REQ_SEND;	1655	REQ_SEND;
1443	}	1656	}
1444		1657
1445	void	1658	void
1446	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1659	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
1447	SV * out_fh
1448	SV * in_fh
1449	UV in_offset
1450	UV length
1451	SV * callback
1452	PROTOTYPE: $$$$;$	1660	PROTOTYPE: $$$$;$
1453	PPCODE:	1661	PPCODE:
1454	{	1662	{
1455	dREQ;	1663	dREQ;
1456		1664
1457	req->type = REQ_SENDFILE;	1665	req->type = REQ_SENDFILE;
1458	req->fh = newSVsv (out_fh);	1666	req->sv1 = newSVsv (out_fh);
1459	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1667	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1460	req->sv2 = newSVsv (in_fh);	1668	req->sv2 = newSVsv (in_fh);
1461	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1669	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1462	req->offs = in_offset;	1670	req->offs = SvVAL64 (in_offset);
1463	req->size = length;	1671	req->size = length;
1464		1672
1465	REQ_SEND;	1673	REQ_SEND;
1466	}	1674	}
1467		1675
1468	void	1676	void
1469	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1677	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
1470	SV * fh
1471	UV offset
1472	IV length
1473	SV * callback
1474	PROTOTYPE: $$$;$	1678	PROTOTYPE: $$$;$
1475	PPCODE:	1679	PPCODE:
1476	{	1680	{
1477	dREQ;	1681	dREQ;
1478		1682
1479	req->type = REQ_READAHEAD;	1683	req->type = REQ_READAHEAD;
1480	req->fh = newSVsv (fh);	1684	req->sv1 = newSVsv (fh);
1481	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1685	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1482	req->offs = offset;	1686	req->offs = SvVAL64 (offset);
1483	req->size = length;	1687	req->size = length;
1484		1688
1485	REQ_SEND;	1689	REQ_SEND;
1486	}	1690	}
1487		1691
1488	void	1692	void
1489	aio_stat (fh_or_path,callback=&PL_sv_undef)	1693	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1490	SV8 * fh_or_path
1491	SV * callback
1492	ALIAS:	1694	ALIAS:
1493	aio_stat = REQ_STAT	1695	aio_stat = REQ_STAT
1494	aio_lstat = REQ_LSTAT	1696	aio_lstat = REQ_LSTAT
1495	PPCODE:	1697	PPCODE:
1496	{	1698	{
1497	dREQ;	1699	dREQ;
1498		1700
1499	req->ptr2 = malloc (sizeof (Stat_t));	1701	req->ptr2 = malloc (sizeof (Stat_t));
1500	if (!req->ptr2)	1702	if (!req->ptr2)
1501	{	1703	{
1502	req_free (req);	1704	req_destroy (req);
1503	croak ("out of memory during aio_stat statdata allocation");	1705	croak ("out of memory during aio_stat statdata allocation");
1504	}	1706	}
1505		1707
1506	req->flags |= FLAG_PTR2_FREE;	1708	req->flags |= FLAG_PTR2_FREE;
		1709	req->sv1 = newSVsv (fh_or_path);
1507		1710
1508	if (SvPOK (fh_or_path))	1711	if (SvPOK (fh_or_path))
1509	{	1712	{
1510	req->type = ix;	1713	req->type = ix;
1511	req->sv1 = newSVsv (fh_or_path);
1512	req->ptr1 = SvPVbyte_nolen (req->sv1);	1714	req->ptr1 = SvPVbyte_nolen (req->sv1);
1513	}	1715	}
1514	else	1716	else
1515	{	1717	{
1516	req->type = REQ_FSTAT;	1718	req->type = REQ_FSTAT;
1517	req->fh = newSVsv (fh_or_path);
1518	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1719	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1519	}	1720	}
1520		1721
1521	REQ_SEND;	1722	REQ_SEND;
1522	}	1723	}
1523		1724
1524	void	1725	void
		1726	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
		1727	PPCODE:
		1728	{
		1729	dREQ;
		1730
		1731	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
		1732	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
		1733	req->sv1 = newSVsv (fh_or_path);
		1734
		1735	if (SvPOK (fh_or_path))
		1736	{
		1737	req->type = REQ_UTIME;
		1738	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1739	}
		1740	else
		1741	{
		1742	req->type = REQ_FUTIME;
		1743	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1744	}
		1745
		1746	REQ_SEND;
		1747	}
		1748
		1749	void
		1750	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
		1751	PPCODE:
		1752	{
		1753	dREQ;
		1754
		1755	req->sv1 = newSVsv (fh_or_path);
		1756	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
		1757
		1758	if (SvPOK (fh_or_path))
		1759	{
		1760	req->type = REQ_TRUNCATE;
		1761	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1762	}
		1763	else
		1764	{
		1765	req->type = REQ_FTRUNCATE;
		1766	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1767	}
		1768
		1769	REQ_SEND;
		1770	}
		1771
		1772	void
		1773	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
		1774	PPCODE:
		1775	{
		1776	dREQ;
		1777
		1778	req->mode = mode;
		1779	req->sv1 = newSVsv (fh_or_path);
		1780
		1781	if (SvPOK (fh_or_path))
		1782	{
		1783	req->type = REQ_CHMOD;
		1784	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1785	}
		1786	else
		1787	{
		1788	req->type = REQ_FCHMOD;
		1789	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1790	}
		1791
		1792	REQ_SEND;
		1793	}
		1794
		1795	void
		1796	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)
		1797	PPCODE:
		1798	{
		1799	dREQ;
		1800
		1801	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
		1802	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
		1803	req->sv1 = newSVsv (fh_or_path);
		1804
		1805	if (SvPOK (fh_or_path))
		1806	{
		1807	req->type = REQ_CHOWN;
		1808	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1809	}
		1810	else
		1811	{
		1812	req->type = REQ_FCHOWN;
		1813	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1814	}
		1815
		1816	REQ_SEND;
		1817	}
		1818
		1819	void
1525	aio_unlink (pathname,callback=&PL_sv_undef)	1820	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1526	SV8 * pathname
1527	SV * callback
1528	ALIAS:	1821	ALIAS:
1529	aio_unlink = REQ_UNLINK	1822	aio_unlink = REQ_UNLINK
1530	aio_rmdir = REQ_RMDIR	1823	aio_rmdir = REQ_RMDIR
1531	aio_readdir = REQ_READDIR	1824	aio_readdir = REQ_READDIR
1532	PPCODE:	1825	PPCODE:
…		…
1539		1832
1540	REQ_SEND;	1833	REQ_SEND;
1541	}	1834	}
1542		1835
1543	void	1836	void
1544	aio_mkdir (pathname,mode,callback=&PL_sv_undef)	1837	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1545	SV8 * pathname
1546	UV mode
1547	SV * callback
1548	PPCODE:	1838	PPCODE:
1549	{	1839	{
1550	dREQ;	1840	dREQ;
1551		1841
1552	req->type = REQ_MKDIR;	1842	req->type = REQ_MKDIR;
…		…
1556		1846
1557	REQ_SEND;	1847	REQ_SEND;
1558	}	1848	}
1559		1849
1560	void	1850	void
1561	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1851	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1562	SV8 * oldpath
1563	SV8 * newpath
1564	SV * callback
1565	ALIAS:	1852	ALIAS:
1566	aio_link = REQ_LINK	1853	aio_link = REQ_LINK
1567	aio_symlink = REQ_SYMLINK	1854	aio_symlink = REQ_SYMLINK
1568	aio_rename = REQ_RENAME	1855	aio_rename = REQ_RENAME
1569	PPCODE:	1856	PPCODE:
1570	{	1857	{
1571	dREQ;	1858	dREQ;
1572		1859
1573	req->type = ix;	1860	req->type = ix;
1574	req->fh = newSVsv (oldpath);	1861	req->sv2 = newSVsv (oldpath);
1575	req->ptr2 = SvPVbyte_nolen (req->fh);	1862	req->ptr2 = SvPVbyte_nolen (req->sv2);
1576	req->sv1 = newSVsv (newpath);	1863	req->sv1 = newSVsv (newpath);
1577	req->ptr1 = SvPVbyte_nolen (req->sv1);	1864	req->ptr1 = SvPVbyte_nolen (req->sv1);
1578		1865
1579	REQ_SEND;	1866	REQ_SEND;
1580	}	1867	}
1581		1868
1582	void	1869	void
1583	aio_mknod (pathname,mode,dev,callback=&PL_sv_undef)	1870	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
1584	SV8 * pathname
1585	UV mode
1586	UV dev
1587	SV * callback
1588	PPCODE:	1871	PPCODE:
1589	{	1872	{
1590	dREQ;	1873	dREQ;
1591		1874
1592	req->type = REQ_MKNOD;	1875	req->type = REQ_MKNOD;
…		…
1597		1880
1598	REQ_SEND;	1881	REQ_SEND;
1599	}	1882	}
1600		1883
1601	void	1884	void
1602	aio_busy (delay,callback=&PL_sv_undef)	1885	aio_busy (double delay, SV *callback=&PL_sv_undef)
1603	double delay
1604	SV * callback
1605	PPCODE:	1886	PPCODE:
1606	{	1887	{
1607	dREQ;	1888	dREQ;
1608		1889
1609	req->type = REQ_BUSY;	1890	req->type = REQ_BUSY;
1610	req->int1 = delay < 0. ? 0 : delay;	1891	req->nv1 = delay < 0. ? 0. : delay;
1611	req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1);
1612		1892
1613	REQ_SEND;	1893	REQ_SEND;
1614	}	1894	}
1615		1895
1616	void	1896	void
1617	aio_group (callback=&PL_sv_undef)	1897	aio_group (SV *callback=&PL_sv_undef)
1618	SV * callback
1619	PROTOTYPE: ;$	1898	PROTOTYPE: ;$
1620	PPCODE:	1899	PPCODE:
1621	{	1900	{
1622	dREQ;	1901	dREQ;
1623		1902
…		…
1626	req_send (req);	1905	req_send (req);
1627	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1906	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1628	}	1907	}
1629		1908
1630	void	1909	void
1631	aio_nop (callback=&PL_sv_undef)	1910	aio_nop (SV *callback=&PL_sv_undef)
1632	SV * callback	1911	ALIAS:
		1912	aio_nop = REQ_NOP
		1913	aio_sync = REQ_SYNC
1633	PPCODE:	1914	PPCODE:
1634	{	1915	{
1635	dREQ;	1916	dREQ;
1636		1917
1637	req->type = REQ_NOP;	1918	req->type = ix;
1638		1919
1639	REQ_SEND;	1920	REQ_SEND;
1640	}	1921	}
1641		1922
1642	int	1923	int
…		…
1708	CODE:	1989	CODE:
1709	{	1990	{
1710	if (block_sig_level)	1991	if (block_sig_level)
1711	croak ("cannot call IO::AIO::setsig from within aio_block/callback");	1992	croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1712		1993
1713	LOCK (reslock);	1994	X_LOCK (reslock);
1714	main_tid = pthread_self ();	1995	main_tid = pthread_self ();
1715	main_sig = signum;	1996	main_sig = signum;
1716	UNLOCK (reslock);	1997	X_UNLOCK (reslock);
1717		1998
1718	if (main_sig && npending)	1999	if (main_sig && npending)
1719	pthread_kill (main_tid, main_sig);	2000	pthread_kill (main_tid, main_sig);
1720	}	2001	}
1721		2002
…		…
1728		2009
1729	block_sig ();	2010	block_sig ();
1730	PUSHMARK (SP);	2011	PUSHMARK (SP);
1731	PUTBACK;	2012	PUTBACK;
1732	count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);	2013	count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
1733	SPAGAIN;
1734	unblock_sig ();	2014	unblock_sig ();
1735		2015
1736	if (SvTRUE (ERRSV))	2016	if (SvTRUE (ERRSV))
1737	croak (0);	2017	croak (0);
1738		2018
…		…
1765		2045
1766	int	2046	int
1767	nthreads()	2047	nthreads()
1768	PROTOTYPE:	2048	PROTOTYPE:
1769	CODE:	2049	CODE:
1770	if (WORDACCESS_UNSAFE) LOCK (wrklock);	2050	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1771	RETVAL = started;	2051	RETVAL = started;
1772	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	2052	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1773	OUTPUT:	2053	OUTPUT:
1774	RETVAL	2054	RETVAL
1775		2055
1776	PROTOTYPES: DISABLE	2056	PROTOTYPES: DISABLE
1777		2057

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines