[ViewVC] Diff of: cvs/libeio/eio.c

Comparing libeio/eio.c (file contents):
Revision 1.8 by root, Sun May 11 20:08:37 2008 UTC vs.
Revision 1.9 by root, Mon May 12 00:31:43 2008 UTC

…		…
41	# ifndef EIO_STRUCT_DIRENT	41	# ifndef EIO_STRUCT_DIRENT
42	# define EIO_STRUCT_DIRENT struct dirent	42	# define EIO_STRUCT_DIRENT struct dirent
43	# endif	43	# endif
44		44
45	#endif	45	#endif
46
47	# ifndef EIO_STRUCT_STAT
48	# define EIO_STRUCT_STAT struct stat
49	# endif
50		46
51	#if HAVE_SENDFILE	47	#if HAVE_SENDFILE
52	# if __linux	48	# if __linux
53	# include <sys/sendfile.h>	49	# include <sys/sendfile.h>
54	# elif __freebsd	50	# elif __freebsd
…		…
77	#define dBUF \	73	#define dBUF \
78	char *eio_buf; \	74	char *eio_buf; \
79	X_LOCK (wrklock); \	75	X_LOCK (wrklock); \
80	self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \	76	self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \
81	X_UNLOCK (wrklock); \	77	X_UNLOCK (wrklock); \
		78	errno = ENOMEM; \
82	if (!eio_buf) \	79	if (!eio_buf) \
83	return -1;	80	return -1;
84		81
85	#define EIO_TICKS ((1000000 + 1023) >> 10)	82	#define EIO_TICKS ((1000000 + 1023) >> 10)
86		83
…		…
95	{	92	{
96	return (tv2->tv_sec - tv1->tv_sec ) * EIO_TICKS	93	return (tv2->tv_sec - tv1->tv_sec ) * EIO_TICKS
97	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);	94	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);
98	}	95	}
99		96
100	static unsigned int started, idle, wanted;	97	static unsigned int started, idle, wanted = 4;
101		98
102	/* worker threads management */	99	/* worker threads management */
103	static mutex_t wrklock = X_MUTEX_INIT;	100	static mutex_t wrklock = X_MUTEX_INIT;
104		101
105	typedef struct worker {	102	typedef struct worker
		103	{
106	/* locked by wrklock */	104	/* locked by wrklock */
107	struct worker prev, next;	105	struct worker prev, next;
108		106
109	thread_t tid;	107	thread_t tid;
110		108
…		…
326	static void start_thread (void)	324	static void start_thread (void)
327	{	325	{
328	worker *wrk = calloc (1, sizeof (worker));	326	worker *wrk = calloc (1, sizeof (worker));
329		327
330	/TODO/	328	/TODO/
331	assert (("unable to allocate worker thread data", !wrk));	329	assert (("unable to allocate worker thread data", wrk));
332		330
333	X_LOCK (wrklock);	331	X_LOCK (wrklock);
334		332
335	if (thread_create (&wrk->tid, eio_proc, (void *)wrk))	333	if (thread_create (&wrk->tid, eio_proc, (void *)wrk))
336	{	334	{
…		…
485		483
486	/*****************************************************************************/	484	/*****************************************************************************/
487	/* work around various missing functions */	485	/* work around various missing functions */
488		486
489	#if !HAVE_PREADWRITE	487	#if !HAVE_PREADWRITE
490	# define pread aio_pread	488	# define pread eio__pread
491	# define pwrite aio_pwrite	489	# define pwrite eio__pwrite
492		490
493	/*	491	/*
494	* make our pread/pwrite safe against themselves, but not against	492	* make our pread/pwrite safe against themselves, but not against
495	* normal read/write by using a mutex. slows down execution a lot,	493	* normal read/write by using a mutex. slows down execution a lot,
496	* but that's your problem, not mine.	494	* but that's your problem, not mine.
497	*/	495	*/
498	static mutex_t preadwritelock = X_MUTEX_INIT;	496	static mutex_t preadwritelock = X_MUTEX_INIT;
499		497
500	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)	498	static ssize_t
		499	eio__pread (int fd, void *buf, size_t count, off_t offset)
501	{	500	{
502	ssize_t res;	501	ssize_t res;
503	off_t ooffset;	502	off_t ooffset;
504		503
505	X_LOCK (preadwritelock);	504	X_LOCK (preadwritelock);
…		…
510	X_UNLOCK (preadwritelock);	509	X_UNLOCK (preadwritelock);
511		510
512	return res;	511	return res;
513	}	512	}
514		513
515	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)	514	static ssize_t
		515	eio__pwrite (int fd, void *buf, size_t count, off_t offset)
516	{	516	{
517	ssize_t res;	517	ssize_t res;
518	off_t ooffset;	518	off_t ooffset;
519		519
520	X_LOCK (preadwritelock);	520	X_LOCK (preadwritelock);
…		…
528	}	528	}
529	#endif	529	#endif
530		530
531	#ifndef HAVE_FUTIMES	531	#ifndef HAVE_FUTIMES
532		532
533	# define utimes(path,times) aio_utimes (path, times)	533	# define utimes(path,times) eio__utimes (path, times)
534	# define futimes(fd,times) aio_futimes (fd, times)	534	# define futimes(fd,times) eio__futimes (fd, times)
535		535
		536	static int
536	static int aio_utimes (const char *filename, const struct timeval times[2])	537	eio__utimes (const char *filename, const struct timeval times[2])
537	{	538	{
538	if (times)	539	if (times)
539	{	540	{
540	struct utimbuf buf;	541	struct utimbuf buf;
541		542
…		…
546	}	547	}
547	else	548	else
548	return utime (filename, 0);	549	return utime (filename, 0);
549	}	550	}
550		551
551	static int aio_futimes (int fd, const struct timeval tv[2])	552	static int eio__futimes (int fd, const struct timeval tv[2])
552	{	553	{
553	errno = ENOSYS;	554	errno = ENOSYS;
554	return -1;	555	return -1;
555	}	556	}
556		557
…		…
559	#if !HAVE_FDATASYNC	560	#if !HAVE_FDATASYNC
560	# define fdatasync fsync	561	# define fdatasync fsync
561	#endif	562	#endif
562		563
563	#if !HAVE_READAHEAD	564	#if !HAVE_READAHEAD
564	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)	565	# define readahead(fd,offset,count) eio__readahead (fd, offset, count, self)
565		566
		567	static ssize_t
566	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)	568	eio__readahead (int fd, off_t offset, size_t count, worker *self)
567	{	569	{
568	size_t todo = count;	570	size_t todo = count;
569	dBUF;	571	dBUF;
570		572
571	while (todo > 0)	573	while (todo > 0)
…		…
582	}	584	}
583		585
584	#endif	586	#endif
585		587
586	#if !HAVE_READDIR_R	588	#if !HAVE_READDIR_R
587	# define readdir_r aio_readdir_r	589	# define readdir_r eio__readdir_r
588		590
589	static mutex_t readdirlock = X_MUTEX_INIT;	591	static mutex_t readdirlock = X_MUTEX_INIT;
590		592
		593	static int
591	static int readdir_r (DIR dirp, EIO_STRUCT_DIRENT ent, EIO_STRUCT_DIRENT **res)	594	eio__readdir_r (DIR dirp, EIO_STRUCT_DIRENT ent, EIO_STRUCT_DIRENT **res)
592	{	595	{
593	EIO_STRUCT_DIRENT *e;	596	EIO_STRUCT_DIRENT *e;
594	int errorno;	597	int errorno;
595		598
596	X_LOCK (readdirlock);	599	X_LOCK (readdirlock);
…		…
612	return e ? 0 : -1;	615	return e ? 0 : -1;
613	}	616	}
614	#endif	617	#endif
615		618
616	/* sendfile always needs emulation */	619	/* sendfile always needs emulation */
		620	static ssize_t
617	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self)	621	eio__sendfile (int ofd, int ifd, off_t offset, size_t count, worker *self)
618	{	622	{
619	ssize_t res;	623	ssize_t res;
620		624
621	if (!count)	625	if (!count)
622	return 0;	626	return 0;
…		…
705		709
706	return res;	710	return res;
707	}	711	}
708		712
709	/* read a full directory */	713	/* read a full directory */
		714	static void
710	static void scandir_ (eio_req req, worker self)	715	eio__scandir (eio_req req, worker self)
711	{	716	{
712	DIR *dirp;	717	DIR *dirp;
713	union	718	union
714	{	719	{
715	EIO_STRUCT_DIRENT d;	720	EIO_STRUCT_DIRENT d;
…		…
843	: read (req->int1, req->ptr2, req->size); break;	848	: read (req->int1, req->ptr2, req->size); break;
844	case EIO_WRITE: req->result = req->offs >= 0	849	case EIO_WRITE: req->result = req->offs >= 0
845	? pwrite (req->int1, req->ptr2, req->size, req->offs)	850	? pwrite (req->int1, req->ptr2, req->size, req->offs)
846	: write (req->int1, req->ptr2, req->size); break;	851	: write (req->int1, req->ptr2, req->size); break;
847		852
848	case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;	853	case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
849	case EIO_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;	854	case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break;
850		855
851	case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT));	856	case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT));
852	req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;	857	req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;
853	case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));	858	case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));
854	req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;	859	req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;
…		…
878		883
879	case EIO_SYNC: req->result = 0; sync (); break;	884	case EIO_SYNC: req->result = 0; sync (); break;
880	case EIO_FSYNC: req->result = fsync (req->int1); break;	885	case EIO_FSYNC: req->result = fsync (req->int1); break;
881	case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;	886	case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;
882		887
883	case EIO_READDIR: scandir_ (req, self); break;	888	case EIO_READDIR: eio__scandir (req, self); break;
884		889
885	case EIO_BUSY:	890	case EIO_BUSY:
886	#ifdef _WIN32	891	#ifdef _WIN32
887	Sleep (req->nv1 * 1000.);	892	Sleep (req->nv1 * 1000.);
888	#else	893	#else
…		…
921	: utimes (req->ptr1, times);	926	: utimes (req->ptr1, times);
922	}	927	}
923		928
924	case EIO_GROUP:	929	case EIO_GROUP:
925	case EIO_NOP:	930	case EIO_NOP:
		931	req->result = 0;
926	break;	932	break;
927		933
928	case EIO_QUIT:	934	case EIO_QUIT:
929	goto quit;	935	goto quit;
930		936
…		…
1043	\	1049	\
1044	req = (eio_req )calloc (1, sizeof req); \	1050	req = (eio_req )calloc (1, sizeof req); \
1045	if (!req) \	1051	if (!req) \
1046	return 0; \	1052	return 0; \
1047	\	1053	\
1048	req->type = EIO_ ## rtype; \	1054	req->type = rtype; \
1049	req->pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	1055	req->pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \
1050	req->finish = cb; \	1056	req->finish = cb; \
1051	req->destroy = eio_api_destroy;	1057	req->destroy = eio_api_destroy;
1052		1058
1053	#define SEND eio_submit (req); return req	1059	#define SEND eio_submit (req); return req
1054		1060
1055	#define PATH (void)0	1061	#define PATH \
		1062	req->flags \|= EIO_FLAG_PTR1_FREE; \
		1063	req->ptr1 = strdup (path); \
		1064	if (!req->ptr1) \
		1065	{ \
		1066	eio_api_destroy (req); \
		1067	return 0; \
		1068	}
		1069
		1070	eio_req *eio_nop (eio_cb cb)
		1071	{
		1072	REQ (EIO_NOP); SEND;
		1073	}
		1074
		1075	eio_req *eio_busy (double delay, eio_cb cb)
		1076	{
		1077	REQ (EIO_BUSY); req->nv1 = delay; SEND;
		1078	}
		1079
		1080	eio_req *eio_sync (eio_cb cb)
		1081	{
		1082	REQ (EIO_SYNC); SEND;
		1083	}
1056		1084
1057	eio_req *eio_fsync (int fd, eio_cb cb)	1085	eio_req *eio_fsync (int fd, eio_cb cb)
1058	{	1086	{
1059	REQ (FSYNC); req->int1 = fd; SEND;	1087	REQ (EIO_FSYNC); req->int1 = fd; SEND;
1060	}	1088	}
1061		1089
1062	eio_req *eio_fdatasync (int fd, eio_cb cb)	1090	eio_req *eio_fdatasync (int fd, eio_cb cb)
1063	{	1091	{
1064	REQ (FDATASYNC); req->int1 = fd; SEND;	1092	REQ (EIO_FDATASYNC); req->int1 = fd; SEND;
		1093	}
		1094
		1095	eio_req *eio_close (int fd, eio_cb cb)
		1096	{
		1097	REQ (EIO_CLOSE); req->int1 = fd; SEND;
1065	}	1098	}
1066		1099
1067	eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb)	1100	eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb)
1068	{	1101	{
1069	REQ (READAHEAD); req->int1 = fd; req->offs = offset; req->size = length; SEND;	1102	REQ (EIO_READAHEAD); req->int1 = fd; req->offs = offset; req->size = length; SEND;
1070	}	1103	}
1071		1104
1072	eio_req eio_read (int fd, off_t offset, size_t length, void data, eio_cb cb)	1105	eio_req eio_read (int fd, void data, size_t length, off_t offset, eio_cb cb)
1073	{	1106	{
1074	REQ (READ); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = data; SEND;	1107	REQ (EIO_READ); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = data; SEND;
1075	}	1108	}
1076		1109
1077	eio_req eio_write (int fd, off_t offset, size_t length, void data, eio_cb cb)	1110	eio_req eio_write (int fd, void data, size_t length, off_t offset, eio_cb cb)
1078	{	1111	{
1079	REQ (WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = data; SEND;	1112	REQ (EIO_WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = data; SEND;
1080	}	1113	}
1081		1114
1082	eio_req *eio_fstat (int fd, eio_cb cb)	1115	eio_req *eio_fstat (int fd, eio_cb cb)
1083	{	1116	{
1084	REQ (FSTAT); req->int1 = fd; SEND;	1117	REQ (EIO_FSTAT); req->int1 = fd; SEND;
1085	}	1118	}
1086		1119
1087	eio_req *eio_futime (int fd, double atime, double mtime, eio_cb cb)	1120	eio_req *eio_futime (int fd, double atime, double mtime, eio_cb cb)
1088	{	1121	{
1089	REQ (FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND;	1122	REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND;
1090	}	1123	}
1091		1124
1092	eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb)	1125	eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb)
1093	{	1126	{
1094	REQ (FTRUNCATE); req->int1 = fd; req->offs = offset; SEND;	1127	REQ (EIO_FTRUNCATE); req->int1 = fd; req->offs = offset; SEND;
1095	}	1128	}
1096		1129
1097	eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb)	1130	eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb)
1098	{	1131	{
1099	REQ (FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND;	1132	REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND;
1100	}	1133	}
1101		1134
1102	eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb)	1135	eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb)
1103	{	1136	{
1104	REQ (FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND;	1137	REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND;
1105	}	1138	}
1106		1139
1107	eio_req *eio_dup2 (int fd, int fd2, eio_cb cb)	1140	eio_req *eio_dup2 (int fd, int fd2, eio_cb cb)
1108	{	1141	{
1109	REQ (DUP2); req->int1 = fd; req->int2 = fd2; SEND;	1142	REQ (EIO_DUP2); req->int1 = fd; req->int2 = fd2; SEND;
1110	}	1143	}
1111		1144
1112	eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb)	1145	eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb)
1113	{	1146	{
1114	REQ (SENDFILE); req->int1 = out_fd; req->int2 = in_fd; req->offs = in_offset; req->size = length; SEND;	1147	REQ (EIO_SENDFILE); req->int1 = out_fd; req->int2 = in_fd; req->offs = in_offset; req->size = length; SEND;
1115	}	1148	}
1116		1149
1117	eio_req eio_open (const char path, int flags, mode_t mode, eio_cb cb)	1150	eio_req eio_open (const char path, int flags, mode_t mode, eio_cb cb)
1118	{	1151	{
1119	REQ (OPEN); PATH; req->int1 = flags; req->int2 = (long)mode; SEND;	1152	REQ (EIO_OPEN); PATH; req->int1 = flags; req->int2 = (long)mode; SEND;
		1153	}
		1154
		1155	eio_req eio_utime (const char path, double atime, double mtime, eio_cb cb)
		1156	{
		1157	REQ (EIO_UTIME); PATH; req->nv1 = atime; req->nv2 = mtime; SEND;
		1158	}
		1159
		1160	eio_req eio_truncate (const char path, off_t offset, eio_cb cb)
		1161	{
		1162	REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND;
		1163	}
		1164
		1165	eio_req eio_chown (const char path, uid_t uid, gid_t gid, eio_cb cb)
		1166	{
		1167	REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND;
		1168	}
		1169
		1170	eio_req eio_chmod (const char path, mode_t mode, eio_cb cb)
		1171	{
		1172	REQ (EIO_CHMOD); PATH; req->int2 = (long)mode; SEND;
		1173	}
		1174
		1175	eio_req eio_mkdir (const char path, mode_t mode, eio_cb cb)
		1176	{
		1177	REQ (EIO_MKDIR); PATH; req->int2 = (long)mode; SEND;
		1178	}
		1179
		1180	static eio_req *
		1181	eio__1path (int type, const char *path, eio_cb cb)
		1182	{
		1183	REQ (type); PATH; SEND;
1120	}	1184	}
1121		1185
1122	eio_req eio_readlink (const char path, eio_cb cb)	1186	eio_req eio_readlink (const char path, eio_cb cb)
1123	{	1187	{
1124	REQ (READLINK); PATH; SEND;	1188	return eio__1path (EIO_READLINK, path, cb);
1125	}	1189	}
1126		1190
1127	eio_req eio_stat (const char path, eio_cb cb)	1191	eio_req eio_stat (const char path, eio_cb cb)
1128	{	1192	{
1129	REQ (STAT); PATH; SEND;	1193	return eio__1path (EIO_STAT, path, cb);
1130	}	1194	}
1131		1195
1132	eio_req eio_lstat (const char path, eio_cb cb)	1196	eio_req eio_lstat (const char path, eio_cb cb)
1133	{	1197	{
1134	REQ (LSTAT); PATH; SEND;	1198	return eio__1path (EIO_LSTAT, path, cb);
1135	}
1136
1137	eio_req eio_utime (const char path, double atime, double mtime, eio_cb cb)
1138	{
1139	REQ (UTIME); PATH; req->nv1 = atime; req->nv2 = mtime; SEND;
1140	}
1141
1142	eio_req eio_truncate (const char path, off_t offset, eio_cb cb)
1143	{
1144	REQ (TRUNCATE); PATH; req->offs = offset; SEND;
1145	}
1146
1147	eio_req eio_chown (const char path, uid_t uid, gid_t gid, eio_cb cb)
1148	{
1149	REQ (CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND;
1150	}
1151
1152	eio_req eio_chmod (const char path, mode_t mode, eio_cb cb)
1153	{
1154	REQ (CHMOD); PATH; req->int2 = (long)mode; SEND;
1155	}
1156
1157	eio_req eio_mkdir (const char path, mode_t mode, eio_cb cb)
1158	{
1159	REQ (MKDIR); PATH; req->int2 = (long)mode; SEND;
1160	}	1199	}
1161		1200
1162	eio_req eio_unlink (const char path, eio_cb cb)	1201	eio_req eio_unlink (const char path, eio_cb cb)
1163	{	1202	{
1164	REQ (UNLINK); PATH; SEND;	1203	return eio__1path (EIO_UNLINK, path, cb);
1165	}	1204	}
1166		1205
1167	eio_req eio_rmdir (const char path, eio_cb cb)	1206	eio_req eio_rmdir (const char path, eio_cb cb)
1168	{	1207	{
1169	REQ (RMDIR); PATH; SEND;	1208	return eio__1path (EIO_RMDIR, path, cb);
1170	}	1209	}
1171		1210
1172	eio_req eio_readdir (const char path, eio_cb cb)	1211	eio_req eio_readdir (const char path, eio_cb cb)
1173	{	1212	{
1174	REQ (READDIR); PATH; SEND;	1213	return eio__1path (EIO_READDIR, path, cb);
1175	}	1214	}
1176		1215
1177	eio_req eio_mknod (const char path, mode_t mode, dev_t dev, eio_cb cb)	1216	eio_req eio_mknod (const char path, mode_t mode, dev_t dev, eio_cb cb)
1178	{	1217	{
1179	REQ (MKNOD); PATH; req->int2 = (long)mode; req->int2 = (long)dev; SEND;	1218	REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int2 = (long)dev; SEND;
1180	}	1219	}
1181		1220
1182	eio_req *eio_busy (double delay, eio_cb cb)	1221	static eio_req *
		1222	eio__2path (int type, const char path, const char new_path, eio_cb cb)
1183	{	1223	{
1184	REQ (BUSY); req->nv1 = delay; SEND;	1224	REQ (type); PATH;
1185	}
1186		1225
1187	eio_req *eio_nop (eio_cb cb)	1226	req->flags \|= EIO_FLAG_PTR2_FREE;
		1227	req->ptr2 = strdup (new_path);
		1228	if (!req->ptr2)
		1229	{
		1230	eio_api_destroy (req);
		1231	return 0;
		1232	}
		1233
		1234	SEND;
		1235	}
		1236
		1237	eio_req eio_link (const char path, const char *new_path, eio_cb cb)
1188	{	1238	{
1189	REQ (NOP); SEND;	1239	return eio__2path (EIO_LINK, path, new_path, cb);
		1240	}
		1241
		1242	eio_req eio_symlink (const char path, const char *new_path, eio_cb cb)
		1243	{
		1244	return eio__2path (EIO_SYMLINK, path, new_path, cb);
		1245	}
		1246
		1247	eio_req eio_rename (const char path, const char *new_path, eio_cb cb)
		1248	{
		1249	return eio__2path (EIO_RENAME, path, new_path, cb);
1190	}	1250	}
1191		1251
1192	#undef REQ	1252	#undef REQ
1193	#undef PATH	1253	#undef PATH
1194	#undef SEND	1254	#undef SEND
1195		1255
1196	#if 0	1256	/*****************************************************************************/
1197		1257	/* grp functions */
1198	void
1199	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
1200	PROTOTYPE: $$$;$
1201	PPCODE:
1202	{
1203	dREQ;
1204
1205	req->type = EIO_OPEN;
1206	req->sv1 = newSVsv (pathname);
1207	req->ptr1 = SvPVbyte_nolen (req->sv1);
1208	req->int1 = flags;
1209	req->int2 = mode;
1210
1211	EIO_SEND;
1212	}
1213
1214	void
1215	aio_fsync (SV fh, SV callback=&PL_sv_undef)
1216	PROTOTYPE: $;$
1217	ALIAS:
1218	aio_fsync = EIO_FSYNC
1219	aio_fdatasync = EIO_FDATASYNC
1220	PPCODE:
1221	{
1222	dREQ;
1223
1224	req->type = ix;
1225	req->sv1 = newSVsv (fh);
1226	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1227
1228	EIO_SEND (req);
1229	}
1230
1231	void
1232	aio_close (SV fh, SV callback=&PL_sv_undef)
1233	PROTOTYPE: $;$
1234	PPCODE:
1235	{
1236	dREQ;
1237
1238	req->type = EIO_CLOSE;
1239	req->sv1 = newSVsv (fh);
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1241
1242	EIO_SEND (req);
1243	}
1244
1245	void
1246	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1247	ALIAS:
1248	aio_read = EIO_READ
1249	aio_write = EIO_WRITE
1250	PROTOTYPE: $$$$$;$
1251	PPCODE:
1252	{
1253	STRLEN svlen;
1254	char *svptr = SvPVbyte (data, svlen);
1255	UV len = SvUV (length);
1256
1257	SvUPGRADE (data, SVt_PV);
1258	SvPOK_on (data);
1259
1260	if (dataoffset < 0)
1261	dataoffset += svlen;
1262
1263	if (dataoffset < 0 \|\| dataoffset > svlen)
1264	croak ("dataoffset outside of data scalar");
1265
1266	if (ix == EIO_WRITE)
1267	{
1268	/* write: check length and adjust. */
1269	if (!SvOK (length) \|\| len + dataoffset > svlen)
1270	len = svlen - dataoffset;
1271	}
1272	else
1273	{
1274	/* read: grow scalar as necessary */
1275	svptr = SvGROW (data, len + dataoffset + 1);
1276	}
1277
1278	if (len < 0)
1279	croak ("length must not be negative");
1280
1281	{
1282	dREQ;
1283
1284	req->type = ix;
1285	req->sv1 = newSVsv (fh);
1286	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))
1287	: IoOFP (sv_2io (fh)));
1288	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1289	req->size = len;
1290	req->sv2 = SvREFCNT_inc (data);
1291	req->ptr2 = (char *)svptr + dataoffset;
1292	req->stroffset = dataoffset;
1293
1294	if (!SvREADONLY (data))
1295	{
1296	SvREADONLY_on (data);
1297	req->flags \|= FLAG_SV2_RO_OFF;
1298	}
1299
1300	EIO_SEND;
1301	}
1302	}
1303
1304	void
1305	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
1306	PROTOTYPE: $$;$
1307	PPCODE:
1308	{
1309	SV *data;
1310	dREQ;
1311
1312	data = newSV (NAME_MAX);
1313	SvPOK_on (data);
1314
1315	req->type = EIO_READLINK;
1316	req->sv1 = newSVsv (path);
1317	req->ptr1 = SvPVbyte_nolen (req->sv1);
1318	req->sv2 = data;
1319	req->ptr2 = SvPVbyte_nolen (data);
1320
1321	EIO_SEND;
1322	}
1323
1324	void
1325	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)
1326	PROTOTYPE: $$$$;$
1327	PPCODE:
1328	{
1329	dREQ;
1330
1331	req->type = EIO_SENDFILE;
1332	req->sv1 = newSVsv (out_fh);
1333	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1334	req->sv2 = newSVsv (in_fh);
1335	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1336	req->offs = SvVAL64 (in_offset);
1337	req->size = length;
1338
1339	EIO_SEND;
1340	}
1341
1342	void
1343	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)
1344	PROTOTYPE: $$$;$
1345	PPCODE:
1346	{
1347	dREQ;
1348
1349	req->type = EIO_READAHEAD;
1350	req->sv1 = newSVsv (fh);
1351	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1352	req->offs = SvVAL64 (offset);
1353	req->size = length;
1354
1355	EIO_SEND;
1356	}
1357
1358	void
1359	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
1360	ALIAS:
1361	aio_stat = EIO_STAT
1362	aio_lstat = EIO_LSTAT
1363	PPCODE:
1364	{
1365	dREQ;
1366
1367	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
1368	if (!req->ptr2)
1369	{
1370	req_destroy (req);
1371	croak ("out of memory during aio_stat statdata allocation");
1372	}
1373
1374	req->flags \|= FLAG_PTR2_FREE;
1375	req->sv1 = newSVsv (fh_or_path);
1376
1377	if (SvPOK (fh_or_path))
1378	{
1379	req->type = ix;
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	}
1382	else
1383	{
1384	req->type = EIO_FSTAT;
1385	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1386	}
1387
1388	EIO_SEND;
1389	}
1390
1391	void
1392	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
1393	PPCODE:
1394	{
1395	dREQ;
1396
1397	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1398	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1399	req->sv1 = newSVsv (fh_or_path);
1400
1401	if (SvPOK (fh_or_path))
1402	{
1403	req->type = EIO_UTIME;
1404	req->ptr1 = SvPVbyte_nolen (req->sv1);
1405	}
1406	else
1407	{
1408	req->type = EIO_FUTIME;
1409	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1410	}
1411
1412	EIO_SEND;
1413	}
1414
1415	void
1416	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)
1417	PPCODE:
1418	{
1419	dREQ;
1420
1421	req->sv1 = newSVsv (fh_or_path);
1422	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1423
1424	if (SvPOK (fh_or_path))
1425	{
1426	req->type = EIO_TRUNCATE;
1427	req->ptr1 = SvPVbyte_nolen (req->sv1);
1428	}
1429	else
1430	{
1431	req->type = EIO_FTRUNCATE;
1432	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1433	}
1434
1435	EIO_SEND;
1436	}
1437
1438	void
1439	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
1440	ALIAS:
1441	aio_chmod = EIO_CHMOD
1442	aio_fchmod = EIO_FCHMOD
1443	aio_mkdir = EIO_MKDIR
1444	PPCODE:
1445	{
1446	dREQ;
1447
1448	req->type = type;
1449	req->int2 = mode;
1450	req->sv1 = newSVsv (fh_or_path);
1451
1452	if (ix == EIO_FCHMOD)
1453	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1454	else
1455	req->ptr1 = SvPVbyte_nolen (req->sv1);
1456
1457	EIO_SEND;
1458	}
1459
1460	void
1461	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)
1462	PPCODE:
1463	{
1464	dREQ;
1465
1466	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1467	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1468	req->sv1 = newSVsv (fh_or_path);
1469
1470	if (SvPOK (fh_or_path))
1471	{
1472	req->type = EIO_CHOWN;
1473	req->ptr1 = SvPVbyte_nolen (req->sv1);
1474	}
1475	else
1476	{
1477	req->type = EIO_FCHOWN;
1478	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1479	}
1480
1481	EIO_SEND;
1482	}
1483
1484	void
1485	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1486	ALIAS:
1487	aio_unlink = EIO_UNLINK
1488	aio_rmdir = EIO_RMDIR
1489	aio_readdir = EIO_READDIR
1490	PPCODE:
1491	{
1492	dREQ;
1493
1494	req->type = ix;
1495	req->sv1 = newSVsv (pathname);
1496	req->ptr1 = SvPVbyte_nolen (req->sv1);
1497
1498	EIO_SEND;
1499	}
1500
1501	void
1502	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)
1503	ALIAS:
1504	aio_link = EIO_LINK
1505	aio_symlink = EIO_SYMLINK
1506	aio_rename = EIO_RENAME
1507	PPCODE:
1508	{
1509	dREQ;
1510
1511	req->type = ix;
1512	req->sv1 = newSVsv (oldpath);
1513	req->ptr1 = SvPVbyte_nolen (req->sv1);
1514	req->sv2 = newSVsv (newpath);
1515	req->ptr2 = SvPVbyte_nolen (req->sv2);
1516
1517	EIO_SEND;
1518	}
1519
1520	void
1521	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)
1522	PPCODE:
1523	{
1524	dREQ;
1525
1526	req->type = EIO_MKNOD;
1527	req->sv1 = newSVsv (pathname);
1528	req->ptr1 = SvPVbyte_nolen (req->sv1);
1529	req->int2 = (mode_t)mode;
1530	req->offs = dev;
1531
1532	EIO_SEND;
1533	}
1534
1535	void
1536	aio_busy (double delay, SV *callback=&PL_sv_undef)
1537	PPCODE:
1538	{
1539	dREQ;
1540
1541	req->type = EIO_BUSY;
1542	req->nv1 = delay < 0. ? 0. : delay;
1543
1544	EIO_SEND;
1545	}
1546
1547	void
1548	aio_group (SV *callback=&PL_sv_undef)
1549	PROTOTYPE: ;$
1550	PPCODE:
1551	{
1552	dREQ;
1553
1554	req->type = EIO_GROUP;
1555
1556	req_send (req);
1557	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1558	}
1559
1560	void
1561	aio_nop (SV *callback=&PL_sv_undef)
1562	ALIAS:
1563	aio_nop = EIO_NOP
1564	aio_sync = EIO_SYNC
1565	PPCODE:
1566	{
1567	dREQ;
1568
1569	#endif
1570		1258
1571	void eio_grp_feed (eio_req grp, void (feed)(eio_req *req), int limit)	1259	void eio_grp_feed (eio_req grp, void (feed)(eio_req *req), int limit)
1572	{	1260	{
1573	grp->int2 = limit;	1261	grp->int2 = limit;
1574	grp->feed = feed;	1262	grp->feed = feed;
…		…
1597	grp->grp_first->grp_prev = req;	1285	grp->grp_first->grp_prev = req;
1598		1286
1599	grp->grp_first = req;	1287	grp->grp_first = req;
1600	}	1288	}
1601		1289
		1290	/*****************************************************************************/
		1291	/* misc garbage */
1602		1292
		1293	ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count)
		1294	{
		1295	worker wrk;
		1296
		1297	wrk.dbuf = 0;
		1298
		1299	eio__sendfile (ofd, ifd, offset, count, &wrk);
		1300
		1301	if (wrk.dbuf)
		1302	free (wrk.dbuf);
		1303	}
		1304

Diff Legend

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

Comparing libeio/eio.c (file contents): Revision 1.8 by root, Sun May 11 20:08:37 2008 UTC vs. Revision 1.9 by root, Mon May 12 00:31:43 2008 UTC

Diff Legend

Comparing libeio/eio.c (file contents):
Revision 1.8 by root, Sun May 11 20:08:37 2008 UTC vs.
Revision 1.9 by root, Mon May 12 00:31:43 2008 UTC