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

Comparing libeio/eio.c (file contents):
Revision 1.101 by root, Wed Aug 3 15:25:38 2011 UTC vs.
Revision 1.107 by root, Tue Sep 27 00:41:52 2011 UTC

…		…
43		43
44	#include "eio.h"	44	#include "eio.h"
45	#include "ecb.h"	45	#include "ecb.h"
46		46
47	#ifdef EIO_STACKSIZE	47	#ifdef EIO_STACKSIZE
48	# define XTHREAD_STACKSIZE EIO_STACKSIZE	48	# define X_STACKSIZE EIO_STACKSIZE
49	#endif	49	#endif
50	#include "xthread.h"	50	#include "xthread.h"
51		51
52	#include <errno.h>	52	#include <errno.h>
53	#include <stddef.h>	53	#include <stddef.h>
…		…
292	#define FUBd \	292	#define FUBd \
293	free (eio_buf)	293	free (eio_buf)
294		294
295	#define EIO_TICKS ((1000000 + 1023) >> 10)	295	#define EIO_TICKS ((1000000 + 1023) >> 10)
296		296
		297	/*****************************************************************************/
		298
		299	struct tmpbuf
		300	{
		301	void *ptr;
		302	int len;
		303	};
		304
		305	static void *
		306	tmpbuf_get (struct tmpbuf *buf, int len)
		307	{
		308	if (buf->len < len)
		309	{
		310	free (buf->ptr);
		311	buf->ptr = malloc (buf->len = len);
		312	}
		313
		314	return buf->ptr;
		315	}
		316
		317	struct tmpbuf;
		318
		319	#if _POSIX_VERSION >= 200809L
		320	#define HAVE_AT 1
		321	# define WD2FD(wd) ((wd) ? (wd)->fd : AT_FDCWD)
		322	#ifndef O_SEARCH
		323	#define O_SEARCH O_RDONLY
		324	#endif
		325	#else
		326	#define HAVE_AT 0
		327	static const char wd_expand (struct tmpbuf tmpbuf, eio_wd wd, const char *path);
		328	#endif
		329
		330	struct eio_pwd
		331	{
		332	#if HAVE_AT
		333	int fd;
		334	#endif
		335	int len;
		336	char str[1]; /* actually, a 0-terminated canonical path */
		337	};
		338
		339	/*****************************************************************************/
		340
297	#define ETP_PRI_MIN EIO_PRI_MIN	341	#define ETP_PRI_MIN EIO_PRI_MIN
298	#define ETP_PRI_MAX EIO_PRI_MAX	342	#define ETP_PRI_MAX EIO_PRI_MAX
299		343
300	struct etp_worker;	344	struct etp_worker;
301		345
…		…
346	static xmutex_t preadwritelock;	390	static xmutex_t preadwritelock;
347	#endif	391	#endif
348		392
349	typedef struct etp_worker	393	typedef struct etp_worker
350	{	394	{
		395	struct tmpbuf tmpbuf;
		396
351	/* locked by wrklock */	397	/* locked by wrklock */
352	struct etp_worker prev, next;	398	struct etp_worker prev, next;
353		399
354	xthread_t tid;	400	xthread_t tid;
355		401
356	/* locked by reslock, reqlock or wrklock */
357	ETP_REQ req; / currently processed request */
358
359	#ifdef ETP_WORKER_COMMON	402	#ifdef ETP_WORKER_COMMON
360	ETP_WORKER_COMMON	403	ETP_WORKER_COMMON
361	#endif	404	#endif
362	} etp_worker;	405	} etp_worker;
363		406
…		…
374	}	417	}
375		418
376	static void ecb_cold	419	static void ecb_cold
377	etp_worker_free (etp_worker *wrk)	420	etp_worker_free (etp_worker *wrk)
378	{	421	{
		422	free (wrk->tmpbuf.ptr);
		423
379	wrk->next->prev = wrk->prev;	424	wrk->next->prev = wrk->prev;
380	wrk->prev->next = wrk->next;	425	wrk->prev->next = wrk->next;
381		426
382	free (wrk);	427	free (wrk);
383	}	428	}
…		…
561	}	606	}
562		607
563	static void ecb_cold	608	static void ecb_cold
564	etp_end_thread (void)	609	etp_end_thread (void)
565	{	610	{
566	eio_req *req = calloc (1, sizeof (eio_req));	611	eio_req req = calloc (1, sizeof (eio_req)); / will be freed by worker */
567		612
568	req->type = -1;	613	req->type = -1;
569	req->pri = ETP_PRI_MAX - ETP_PRI_MIN;	614	req->pri = ETP_PRI_MAX - ETP_PRI_MIN;
570		615
571	X_LOCK (reqlock);	616	X_LOCK (reqlock);
…		…
1337	}	1382	}
1338		1383
1339	/*****************************************************************************/	1384	/*****************************************************************************/
1340	/* requests implemented outside eio_execute, because they are so large */	1385	/* requests implemented outside eio_execute, because they are so large */
1341		1386
		1387	/* result will always end up in tmpbuf, there is always space for adding a 0-byte */
1342	static void	1388	static int
1343	eio__realpath (eio_req req, etp_worker self)	1389	eio__realpath (struct tmpbuf tmpbuf, eio_wd wd, const char path)
1344	{	1390	{
1345	char *rel = req->ptr1;	1391	const char *rel = path;
1346	char *res;	1392	char *res;
1347	char tmp1, tmp2;	1393	char tmp1, tmp2;
1348	#if SYMLOOP_MAX > 32	1394	#if SYMLOOP_MAX > 32
1349	int symlinks = SYMLOOP_MAX;	1395	int symlinks = SYMLOOP_MAX;
1350	#else	1396	#else
1351	int symlinks = 32;	1397	int symlinks = 32;
1352	#endif	1398	#endif
1353		1399
1354	req->result = -1;
1355
1356	errno = EINVAL;	1400	errno = EINVAL;
1357	if (!rel)	1401	if (!rel)
1358	return;	1402	return -1;
1359		1403
1360	errno = ENOENT;	1404	errno = ENOENT;
1361	if (!*rel)	1405	if (!*rel)
1362	return;	1406	return -1;
1363		1407
1364	if (!req->ptr2)	1408	res = tmpbuf_get (tmpbuf, PATH_MAX * 3);
1365	{
1366	X_LOCK (wrklock);
1367	req->flags \|= EIO_FLAG_PTR2_FREE;
1368	X_UNLOCK (wrklock);
1369	req->ptr2 = malloc (PATH_MAX * 3);
1370
1371	errno = ENOMEM;
1372	if (!req->ptr2)
1373	return;
1374	}
1375
1376	res = req->ptr2;
1377	tmp1 = res + PATH_MAX;	1409	tmp1 = res + PATH_MAX;
1378	tmp2 = tmp1 + PATH_MAX;	1410	tmp2 = tmp1 + PATH_MAX;
1379		1411
1380	#if 0 /* disabled, the musl way to do things is just too racy */	1412	#if 0 /* disabled, the musl way to do things is just too racy */
1381	#if __linux && defined(O_NONBLOCK) && defined(O_NOATIME)	1413	#if __linux && defined(O_NONBLOCK) && defined(O_NOATIME)
…		…
1400	#endif	1432	#endif
1401	#endif	1433	#endif
1402		1434
1403	if (*rel != '/')	1435	if (*rel != '/')
1404	{	1436	{
		1437	int len;
		1438
		1439	errno = ENOENT;
		1440	if (wd == EIO_INVALID_WD)
		1441	return -1;
		1442
		1443	if (wd == EIO_CWD)
		1444	{
1405	if (!getcwd (res, PATH_MAX))	1445	if (!getcwd (res, PATH_MAX))
1406	return;	1446	return -1;
		1447
		1448	len = strlen (res);
		1449	}
		1450	else
		1451	memcpy (res, wd->str, len = wd->len);
1407		1452
1408	if (res [1]) /* only use if not / */	1453	if (res [1]) /* only use if not / */
1409	res += strlen (res);	1454	res += len;
1410	}	1455	}
1411		1456
1412	while (*rel)	1457	while (*rel)
1413	{	1458	{
1414	eio_ssize_t len, linklen;	1459	eio_ssize_t len, linklen;
1415	char *beg = rel;	1460	const char *beg = rel;
1416		1461
1417	while (rel && rel != '/')	1462	while (rel && rel != '/')
1418	++rel;	1463	++rel;
1419		1464
1420	len = rel - beg;	1465	len = rel - beg;
…		…
1432		1477
1433	if (beg [1] == '.' && len == 2)	1478	if (beg [1] == '.' && len == 2)
1434	{	1479	{
1435	/* .. - back up one component, if possible */	1480	/* .. - back up one component, if possible */
1436		1481
1437	while (res != req->ptr2)	1482	while (res != tmpbuf->ptr)
1438	if (*--res == '/')	1483	if (*--res == '/')
1439	break;	1484	break;
1440		1485
1441	continue;	1486	continue;
1442	}	1487	}
…		…
1452		1497
1453	/* zero-terminate, for readlink */	1498	/* zero-terminate, for readlink */
1454	res [len + 1] = 0;	1499	res [len + 1] = 0;
1455		1500
1456	/* now check if it's a symlink */	1501	/* now check if it's a symlink */
1457	linklen = readlink (req->ptr2, tmp1, PATH_MAX);	1502	linklen = readlink (tmpbuf->ptr, tmp1, PATH_MAX);
1458		1503
1459	if (linklen < 0)	1504	if (linklen < 0)
1460	{	1505	{
1461	if (errno != EINVAL)	1506	if (errno != EINVAL)
1462	return;	1507	return -1;
1463		1508
1464	/* it's a normal directory. hopefully */	1509	/* it's a normal directory. hopefully */
1465	res += len + 1;	1510	res += len + 1;
1466	}	1511	}
1467	else	1512	else
…		…
1469	/* yay, it was a symlink - build new path in tmp2 */	1514	/* yay, it was a symlink - build new path in tmp2 */
1470	int rellen = strlen (rel);	1515	int rellen = strlen (rel);
1471		1516
1472	errno = ENAMETOOLONG;	1517	errno = ENAMETOOLONG;
1473	if (linklen + 1 + rellen >= PATH_MAX)	1518	if (linklen + 1 + rellen >= PATH_MAX)
1474	return;	1519	return -1;
1475		1520
1476	errno = ELOOP;	1521	errno = ELOOP;
1477	if (!--symlinks)	1522	if (!--symlinks)
1478	return;	1523	return -1;
1479		1524
1480	if (*tmp1 == '/')	1525	if (*tmp1 == '/')
1481	res = req->ptr2; /* symlink resolves to an absolute path */	1526	res = tmpbuf->ptr; /* symlink resolves to an absolute path */
1482		1527
1483	/* we need to be careful, as rel might point into tmp2 already */	1528	/* we need to be careful, as rel might point into tmp2 already */
1484	memmove (tmp2 + linklen + 1, rel, rellen + 1);	1529	memmove (tmp2 + linklen + 1, rel, rellen + 1);
1485	tmp2 [linklen] = '/';	1530	tmp2 [linklen] = '/';
1486	memcpy (tmp2, tmp1, linklen);	1531	memcpy (tmp2, tmp1, linklen);
…		…
1488	rel = tmp2;	1533	rel = tmp2;
1489	}	1534	}
1490	}	1535	}
1491		1536
1492	/* special case for the lone root path */	1537	/* special case for the lone root path */
1493	if (res == req->ptr2)	1538	if (res == tmpbuf->ptr)
1494	*res++ = '/';	1539	*res++ = '/';
1495		1540
1496	req->result = res - (char *)req->ptr2;	1541	return res - (char *)tmpbuf->ptr;
1497
1498	done:
1499	req->ptr2 = realloc (req->ptr2, req->result); /* trade time for space savings */
1500	}	1542	}
1501		1543
1502	static signed char	1544	static signed char
1503	eio_dent_cmp (const eio_dirent a, const eio_dirent b)	1545	eio_dent_cmp (const eio_dirent a, const eio_dirent b)
1504	{	1546	{
…		…
1692	#ifdef _WIN32	1734	#ifdef _WIN32
1693	{	1735	{
1694	int len = strlen ((const char *)req->ptr1);	1736	int len = strlen ((const char *)req->ptr1);
1695	char *path = malloc (MAX_PATH);	1737	char *path = malloc (MAX_PATH);
1696	const char *fmt;	1738	const char *fmt;
		1739	const char *reqpath = wd_expand (&self->tmpbuf, req->wd, req->ptr1);
1697		1740
1698	if (!len)	1741	if (!len)
1699	fmt = "./*";	1742	fmt = "./*";
1700	else if (((const char )req->ptr1)[len - 1] == '/' \|\| ((const char )req->ptr1)[len - 1] == '\\')	1743	else if (reqpath[len - 1] == '/' \|\| reqpath[len - 1] == '\\')
1701	fmt = "%s*";	1744	fmt = "%s*";
1702	else	1745	else
1703	fmt = "%s/*";	1746	fmt = "%s/*";
1704		1747
1705	_snprintf (path, MAX_PATH, fmt, (const char *)req->ptr1);	1748	_snprintf (path, MAX_PATH, fmt, reqpath);
1706	dirp = FindFirstFile (path, &entp);	1749	dirp = FindFirstFile (path, &entp);
1707	free (path);	1750	free (path);
1708		1751
1709	if (dirp == INVALID_HANDLE_VALUE)	1752	if (dirp == INVALID_HANDLE_VALUE)
1710	{	1753	{
1711	dirp = 0;
1712
1713	/* should steal _dosmaperr */	1754	/* should steal _dosmaperr */
1714	switch (GetLastError ())	1755	switch (GetLastError ())
1715	{	1756	{
1716	case ERROR_FILE_NOT_FOUND:	1757	case ERROR_FILE_NOT_FOUND:
1717	req->result = 0;	1758	req->result = 0;
1718	break;	1759	break;
1719		1760
1720	case ERROR_INVALID_NAME:	1761	case ERROR_INVALID_NAME:
1721	case ERROR_PATH_NOT_FOUND:	1762	case ERROR_PATH_NOT_FOUND:
1722	case ERROR_NO_MORE_FILES:	1763	case ERROR_NO_MORE_FILES:
1723	errno = ENOENT;	1764	errno = ENOENT;
1724	break;	1765	break;
1725		1766
1726	case ERROR_NOT_ENOUGH_MEMORY:	1767	case ERROR_NOT_ENOUGH_MEMORY:
1727	errno = ENOMEM;	1768	errno = ENOMEM;
1728	break;	1769	break;
1729		1770
1730	default:	1771	default:
1731	errno = EINVAL;	1772	errno = EINVAL;
1732	break;	1773	break;
1733	}	1774	}
		1775
		1776	return;
1734	}	1777	}
1735	}	1778	}
1736	#else	1779	#else
		1780	#if HAVE_AT
		1781	if (req->wd)
		1782	{
		1783	int fd = openat (WD2FD (req->wd), req->ptr1, O_CLOEXEC \| O_SEARCH \| O_DIRECTORY);
		1784
		1785	if (fd < 0)
		1786	return;
		1787
		1788	dirp = fdopendir (fd);
		1789	}
		1790	else
1737	dirp = opendir (req->ptr1);	1791	dirp = opendir (req->ptr1);
		1792	#else
		1793	dirp = opendir (wd_expand (&self->tmpbuf, req->wd, req->ptr1));
		1794	#endif
		1795
		1796	if (!dirp)
		1797	return;
1738	#endif	1798	#endif
1739		1799
1740	if (req->flags & EIO_FLAG_PTR1_FREE)	1800	if (req->flags & EIO_FLAG_PTR1_FREE)
1741	free (req->ptr1);	1801	free (req->ptr1);
1742		1802
1743	req->flags \|= EIO_FLAG_PTR1_FREE \| EIO_FLAG_PTR2_FREE;	1803	req->flags \|= EIO_FLAG_PTR1_FREE \| EIO_FLAG_PTR2_FREE;
1744	req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0;	1804	req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0;
1745	req->ptr2 = names = malloc (namesalloc);	1805	req->ptr2 = names = malloc (namesalloc);
1746		1806
1747	if (dirp && names && (!flags \|\| dents))	1807	if (!names \|\| (flags && !dents))
		1808	return;
		1809
1748	for (;;)	1810	for (;;)
1749	{	1811	{
1750	int done;	1812	int done;
1751		1813
1752	#ifdef _WIN32	1814	#ifdef _WIN32
1753	done = !dirp;	1815	done = !dirp;
1754	#else	1816	#else
1755	errno = 0;	1817	errno = 0;
1756	entp = readdir (dirp);	1818	entp = readdir (dirp);
1757	done = !entp;	1819	done = !entp;
1758	#endif	1820	#endif
1759		1821
1760	if (done)	1822	if (done)
1761	{	1823	{
1762	#ifndef _WIN32	1824	#ifndef _WIN32
1763	int old_errno = errno;	1825	int old_errno = errno;
1764	closedir (dirp);	1826	closedir (dirp);
1765	errno = old_errno;	1827	errno = old_errno;
1766		1828
1767	if (errno)	1829	if (errno)
1768	break;	1830	break;
1769	#endif	1831	#endif
1770		1832
1771	/* sort etc. */	1833	/* sort etc. */
1772	req->int1 = flags;	1834	req->int1 = flags;
1773	req->result = dentoffs;	1835	req->result = dentoffs;
1774		1836
1775	if (flags & EIO_READDIR_STAT_ORDER)	1837	if (flags & EIO_READDIR_STAT_ORDER)
1776	eio_dent_sort (dents, dentoffs, flags & EIO_READDIR_DIRS_FIRST ? 7 : 0, inode_bits);	1838	eio_dent_sort (dents, dentoffs, flags & EIO_READDIR_DIRS_FIRST ? 7 : 0, inode_bits);
1777	else if (flags & EIO_READDIR_DIRS_FIRST)	1839	else if (flags & EIO_READDIR_DIRS_FIRST)
1778	if (flags & EIO_READDIR_FOUND_UNKNOWN)	1840	if (flags & EIO_READDIR_FOUND_UNKNOWN)
1779	eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */	1841	eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */
1780	else	1842	else
		1843	{
		1844	/* in this case, all is known, and we just put dirs first and sort them */
		1845	eio_dirent *oth = dents + dentoffs;
		1846	eio_dirent *dir = dents;
		1847
		1848	/* now partition dirs to the front, and non-dirs to the back */
		1849	/* by walking from both sides and swapping if necessary */
		1850	while (oth > dir)
		1851	{
		1852	if (dir->type == EIO_DT_DIR)
		1853	++dir;
		1854	else if ((--oth)->type == EIO_DT_DIR)
		1855	{
		1856	eio_dirent tmp = dir; dir = oth; oth = tmp;
		1857
		1858	++dir;
		1859	}
		1860	}
		1861
		1862	/* now sort the dirs only (dirs all have the same score) */
		1863	eio_dent_sort (dents, dir - dents, 0, inode_bits);
		1864	}
		1865
		1866	break;
		1867	}
		1868
		1869	/* now add the entry to our list(s) */
		1870	name = D_NAME (entp);
		1871
		1872	/* skip . and .. entries */
		1873	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))
		1874	{
		1875	int len = D_NAMLEN (entp) + 1;
		1876
		1877	while (ecb_expect_false (namesoffs + len > namesalloc))
		1878	{
		1879	namesalloc *= 2;
		1880	req->ptr2 = names = realloc (names, namesalloc);
		1881
		1882	if (!names)
		1883	break;
		1884	}
		1885
		1886	memcpy (names + namesoffs, name, len);
		1887
		1888	if (dents)
		1889	{
		1890	struct eio_dirent *ent;
		1891
		1892	if (ecb_expect_false (dentoffs == dentalloc))
1781	{	1893	{
1782	/* in this case, all is known, and we just put dirs first and sort them */	1894	dentalloc *= 2;
		1895	req->ptr1 = dents = realloc (dents, dentalloc * sizeof (eio_dirent));
		1896
		1897	if (!dents)
		1898	break;
		1899	}
		1900
1783	eio_dirent *oth = dents + dentoffs;	1901	ent = dents + dentoffs;
1784	eio_dirent *dir = dents;
1785		1902
1786	/* now partition dirs to the front, and non-dirs to the back */	1903	ent->nameofs = namesoffs; /* rather dirtily we store the offset in the pointer */
1787	/* by walking from both sides and swapping if necessary */	1904	ent->namelen = len - 1;
1788	while (oth > dir)	1905	ent->inode = D_INO (entp);
		1906
		1907	inode_bits \|= ent->inode;
		1908
		1909	switch (D_TYPE (entp))
		1910	{
		1911	default:
		1912	ent->type = EIO_DT_UNKNOWN;
		1913	flags \|= EIO_READDIR_FOUND_UNKNOWN;
		1914	break;
		1915
		1916	#ifdef DT_FIFO
		1917	case DT_FIFO: ent->type = EIO_DT_FIFO; break;
		1918	#endif
		1919	#ifdef DT_CHR
		1920	case DT_CHR: ent->type = EIO_DT_CHR; break;
		1921	#endif
		1922	#ifdef DT_MPC
		1923	case DT_MPC: ent->type = EIO_DT_MPC; break;
		1924	#endif
		1925	#ifdef DT_DIR
		1926	case DT_DIR: ent->type = EIO_DT_DIR; break;
		1927	#endif
		1928	#ifdef DT_NAM
		1929	case DT_NAM: ent->type = EIO_DT_NAM; break;
		1930	#endif
		1931	#ifdef DT_BLK
		1932	case DT_BLK: ent->type = EIO_DT_BLK; break;
		1933	#endif
		1934	#ifdef DT_MPB
		1935	case DT_MPB: ent->type = EIO_DT_MPB; break;
		1936	#endif
		1937	#ifdef DT_REG
		1938	case DT_REG: ent->type = EIO_DT_REG; break;
		1939	#endif
		1940	#ifdef DT_NWK
		1941	case DT_NWK: ent->type = EIO_DT_NWK; break;
		1942	#endif
		1943	#ifdef DT_CMP
		1944	case DT_CMP: ent->type = EIO_DT_CMP; break;
		1945	#endif
		1946	#ifdef DT_LNK
		1947	case DT_LNK: ent->type = EIO_DT_LNK; break;
		1948	#endif
		1949	#ifdef DT_SOCK
		1950	case DT_SOCK: ent->type = EIO_DT_SOCK; break;
		1951	#endif
		1952	#ifdef DT_DOOR
		1953	case DT_DOOR: ent->type = EIO_DT_DOOR; break;
		1954	#endif
		1955	#ifdef DT_WHT
		1956	case DT_WHT: ent->type = EIO_DT_WHT; break;
		1957	#endif
		1958	}
		1959
		1960	ent->score = 7;
		1961
		1962	if (flags & EIO_READDIR_DIRS_FIRST)
		1963	{
		1964	if (ent->type == EIO_DT_UNKNOWN)
1789	{	1965	{
1790	if (dir->type == EIO_DT_DIR)	1966	if (name == '.') / leading dots are likely directories, and, in any case, rare */
1791	++dir;	1967	ent->score = 1;
1792	else if ((--oth)->type == EIO_DT_DIR)	1968	else if (!strchr (name, '.')) /* absense of dots indicate likely dirs */
1793	{	1969	ent->score = len <= 2 ? 4 - len : len <= 4 ? 4 : len <= 7 ? 5 : 6; /* shorter == more likely dir, but avoid too many classes */
1794	eio_dirent tmp = dir; dir = oth; oth = tmp;
1795
1796	++dir;
1797	}
1798	}	1970	}
1799		1971	else if (ent->type == EIO_DT_DIR)
1800	/* now sort the dirs only (dirs all have the same score) */	1972	ent->score = 0;
1801	eio_dent_sort (dents, dir - dents, 0, inode_bits);
1802	}	1973	}
1803
1804	break;
1805	}
1806
1807	/* now add the entry to our list(s) */
1808	name = D_NAME (entp);
1809
1810	/* skip . and .. entries */
1811	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))
1812	{
1813	int len = D_NAMLEN (entp) + 1;
1814
1815	while (ecb_expect_false (namesoffs + len > namesalloc))
1816	{
1817	namesalloc *= 2;
1818	req->ptr2 = names = realloc (names, namesalloc);
1819
1820	if (!names)
1821	break;
1822	}	1974	}
1823		1975
1824	memcpy (names + namesoffs, name, len);
1825
1826	if (dents)
1827	{
1828	struct eio_dirent *ent;
1829
1830	if (ecb_expect_false (dentoffs == dentalloc))
1831	{
1832	dentalloc *= 2;
1833	req->ptr1 = dents = realloc (dents, dentalloc * sizeof (eio_dirent));
1834
1835	if (!dents)
1836	break;
1837	}
1838
1839	ent = dents + dentoffs;
1840
1841	ent->nameofs = namesoffs; /* rather dirtily we store the offset in the pointer */
1842	ent->namelen = len - 1;
1843	ent->inode = D_INO (entp);
1844
1845	inode_bits \|= ent->inode;
1846
1847	switch (D_TYPE (entp))
1848	{
1849	default:
1850	ent->type = EIO_DT_UNKNOWN;
1851	flags \|= EIO_READDIR_FOUND_UNKNOWN;
1852	break;
1853
1854	#ifdef DT_FIFO
1855	case DT_FIFO: ent->type = EIO_DT_FIFO; break;
1856	#endif
1857	#ifdef DT_CHR
1858	case DT_CHR: ent->type = EIO_DT_CHR; break;
1859	#endif
1860	#ifdef DT_MPC
1861	case DT_MPC: ent->type = EIO_DT_MPC; break;
1862	#endif
1863	#ifdef DT_DIR
1864	case DT_DIR: ent->type = EIO_DT_DIR; break;
1865	#endif
1866	#ifdef DT_NAM
1867	case DT_NAM: ent->type = EIO_DT_NAM; break;
1868	#endif
1869	#ifdef DT_BLK
1870	case DT_BLK: ent->type = EIO_DT_BLK; break;
1871	#endif
1872	#ifdef DT_MPB
1873	case DT_MPB: ent->type = EIO_DT_MPB; break;
1874	#endif
1875	#ifdef DT_REG
1876	case DT_REG: ent->type = EIO_DT_REG; break;
1877	#endif
1878	#ifdef DT_NWK
1879	case DT_NWK: ent->type = EIO_DT_NWK; break;
1880	#endif
1881	#ifdef DT_CMP
1882	case DT_CMP: ent->type = EIO_DT_CMP; break;
1883	#endif
1884	#ifdef DT_LNK
1885	case DT_LNK: ent->type = EIO_DT_LNK; break;
1886	#endif
1887	#ifdef DT_SOCK
1888	case DT_SOCK: ent->type = EIO_DT_SOCK; break;
1889	#endif
1890	#ifdef DT_DOOR
1891	case DT_DOOR: ent->type = EIO_DT_DOOR; break;
1892	#endif
1893	#ifdef DT_WHT
1894	case DT_WHT: ent->type = EIO_DT_WHT; break;
1895	#endif
1896	}
1897
1898	ent->score = 7;
1899
1900	if (flags & EIO_READDIR_DIRS_FIRST)
1901	{
1902	if (ent->type == EIO_DT_UNKNOWN)
1903	{
1904	if (name == '.') / leading dots are likely directories, and, in any case, rare */
1905	ent->score = 1;
1906	else if (!strchr (name, '.')) /* absense of dots indicate likely dirs */
1907	ent->score = len <= 2 ? 4 - len : len <= 4 ? 4 : len <= 7 ? 5 : 6; /* shorter == more likely dir, but avoid too many classes */
1908	}
1909	else if (ent->type == EIO_DT_DIR)
1910	ent->score = 0;
1911	}
1912	}
1913
1914	namesoffs += len;	1976	namesoffs += len;
1915	++dentoffs;	1977	++dentoffs;
1916	}	1978	}
1917		1979
1918	if (EIO_CANCELLED (req))	1980	if (EIO_CANCELLED (req))
1919	{	1981	{
1920	errno = ECANCELED;	1982	errno = ECANCELED;
1921	break;	1983	break;
1922	}	1984	}
1923		1985
1924	#ifdef _WIN32	1986	#ifdef _WIN32
1925	if (!FindNextFile (dirp, &entp))	1987	if (!FindNextFile (dirp, &entp))
1926	{	1988	{
1927	FindClose (dirp);	1989	FindClose (dirp);
1928	dirp = 0;	1990	dirp = 0;
1929	}	1991	}
1930	#endif	1992	#endif
1931	}	1993	}
1932	}	1994	}
		1995
		1996	/*****************************************************************************/
		1997	/* working directory stuff */
		1998	/* various deficiencies in the posix 2008 api force us to */
		1999	/* keep the absolute path in string form at all times */
		2000	/* fuck yeah. */
		2001
		2002	#if !HAVE_AT
		2003
		2004	/* a bit like realpath, but usually faster because it doesn'T have to return */
		2005	/* an absolute or canonical path */
		2006	static const char *
		2007	wd_expand (struct tmpbuf tmpbuf, eio_wd wd, const char path)
		2008	{
		2009	if (!wd \|\| *path == '/')
		2010	return path;
		2011
		2012	if (path [0] == '.' && !path [1])
		2013	return wd->str;
		2014
		2015	{
		2016	int l1 = wd->len;
		2017	int l2 = strlen (path);
		2018
		2019	char *res = tmpbuf_get (tmpbuf, l1 + l2 + 2);
		2020
		2021	memcpy (res, wd->str, l1);
		2022	res [l1] = '/';
		2023	memcpy (res + l1 + 1, path, l2 + 1);
		2024
		2025	return res;
		2026	}
		2027	}
		2028
		2029	#endif
		2030
		2031	static eio_wd
		2032	eio__wd_open_sync (struct tmpbuf tmpbuf, eio_wd wd, const char path)
		2033	{
		2034	int fd;
		2035	eio_wd res;
		2036	int len = eio__realpath (tmpbuf, wd, path);
		2037
		2038	if (len < 0)
		2039	return EIO_INVALID_WD;
		2040
		2041	#if HAVE_AT
		2042	fd = openat (WD2FD (wd), path, O_CLOEXEC \| O_SEARCH \| O_DIRECTORY);
		2043
		2044	if (fd < 0)
		2045	return EIO_INVALID_WD;
		2046	#endif
		2047
		2048	res = malloc (sizeof (res) + len); / one extra 0-byte */
		2049
		2050	#if HAVE_AT
		2051	res->fd = fd;
		2052	#endif
		2053
		2054	res->len = len;
		2055	memcpy (res->str, tmpbuf->ptr, len);
		2056	res->str [len] = 0;
		2057
		2058	return res;
		2059	}
		2060
		2061	eio_wd
		2062	eio_wd_open_sync (eio_wd wd, const char *path)
		2063	{
		2064	struct tmpbuf tmpbuf = { 0 };
		2065	wd = eio__wd_open_sync (&tmpbuf, wd, path);
		2066	free (tmpbuf.ptr);
		2067
		2068	return wd;
		2069	}
		2070
		2071	void
		2072	eio_wd_close_sync (eio_wd wd)
		2073	{
		2074	if (wd != EIO_INVALID_WD && wd != EIO_CWD)
		2075	{
		2076	#if HAVE_AT
		2077	close (wd->fd);
		2078	#endif
		2079	free (wd);
		2080	}
		2081	}
		2082
		2083	#if HAVE_AT
		2084
		2085	/* they forgot these */
		2086
		2087	static int
		2088	eio__truncateat (int dirfd, const char *path, off_t length)
		2089	{
		2090	int fd = openat (dirfd, path, O_WRONLY \| O_CLOEXEC);
		2091	int res;
		2092
		2093	if (fd < 0)
		2094	return fd;
		2095
		2096	res = ftruncate (fd, length);
		2097	close (fd);
		2098	return res;
		2099	}
		2100
		2101	static int
		2102	eio__statvfsat (int dirfd, const char path, struct statvfs buf)
		2103	{
		2104	int fd = openat (dirfd, path, O_SEARCH \| O_CLOEXEC);
		2105	int res;
		2106
		2107	if (fd < 0)
		2108	return fd;
		2109
		2110	res = fstatvfs (fd, buf);
		2111	close (fd);
		2112	return res;
		2113
		2114	}
		2115
		2116	#endif
1933		2117
1934	/*****************************************************************************/	2118	/*****************************************************************************/
1935		2119
1936	#define ALLOC(len) \	2120	#define ALLOC(len) \
1937	if (!req->ptr2) \	2121	if (!req->ptr2) \
…		…
1967		2151
1968	X_LOCK (reqlock);	2152	X_LOCK (reqlock);
1969		2153
1970	for (;;)	2154	for (;;)
1971	{	2155	{
1972	self->req = req = reqq_shift (&req_queue);	2156	req = reqq_shift (&req_queue);
1973		2157
1974	if (req)	2158	if (req)
1975	break;	2159	break;
1976		2160
1977	if (ts.tv_sec == 1) /* no request, but timeout detected, let's quit */	2161	if (ts.tv_sec == 1) /* no request, but timeout detected, let's quit */
…		…
2015	++npending;	2199	++npending;
2016		2200
2017	if (!reqq_push (&res_queue, req) && want_poll_cb)	2201	if (!reqq_push (&res_queue, req) && want_poll_cb)
2018	want_poll_cb ();	2202	want_poll_cb ();
2019		2203
2020	self->req = 0;
2021	etp_worker_clear (self);	2204	etp_worker_clear (self);
2022		2205
2023	X_UNLOCK (reslock);	2206	X_UNLOCK (reslock);
2024	}	2207	}
2025		2208
2026	quit:	2209	quit:
		2210	free (req);
		2211
2027	X_LOCK (wrklock);	2212	X_LOCK (wrklock);
2028	etp_worker_free (self);	2213	etp_worker_free (self);
2029	X_UNLOCK (wrklock);	2214	X_UNLOCK (wrklock);
2030		2215
2031	return 0;	2216	return 0;
…		…
2074	}	2259	}
2075		2260
2076	static void	2261	static void
2077	eio_execute (etp_worker self, eio_req req)	2262	eio_execute (etp_worker self, eio_req req)
2078	{	2263	{
		2264	#if HAVE_AT
		2265	int dirfd;
		2266	#else
		2267	const char *path;
		2268	#endif
		2269
2079	if (ecb_expect_false (EIO_CANCELLED (req)))	2270	if (ecb_expect_false (EIO_CANCELLED (req)))
2080	{	2271	{
2081	req->result = -1;	2272	req->result = -1;
2082	req->errorno = ECANCELED;	2273	req->errorno = ECANCELED;
2083	return;	2274	return;
2084	}	2275	}
2085		2276
		2277	if (ecb_expect_false (req->wd == EIO_INVALID_WD))
		2278	{
		2279	req->result = -1;
		2280	req->errorno = ENOENT;
		2281	return;
		2282	}
		2283
		2284	if (req->type >= EIO_OPEN)
		2285	{
		2286	#if HAVE_AT
		2287	dirfd = WD2FD (req->wd);
		2288	#else
		2289	path = wd_expand (&self->tmpbuf, req->wd, req->ptr1);
		2290	#endif
		2291	}
		2292
2086	switch (req->type)	2293	switch (req->type)
2087	{	2294	{
		2295	case EIO_WD_OPEN: req->wd = eio__wd_open_sync (&self->tmpbuf, req->wd, req->ptr1);
		2296	req->result = req->wd == EIO_INVALID_WD ? -1 : 0;
		2297	break;
		2298	case EIO_WD_CLOSE: req->result = 0;
		2299	eio_wd_close_sync (req->wd); break;
		2300
2088	case EIO_READ: ALLOC (req->size);	2301	case EIO_READ: ALLOC (req->size);
2089	req->result = req->offs >= 0	2302	req->result = req->offs >= 0
2090	? pread (req->int1, req->ptr2, req->size, req->offs)	2303	? pread (req->int1, req->ptr2, req->size, req->offs)
2091	: read (req->int1, req->ptr2, req->size); break;	2304	: read (req->int1, req->ptr2, req->size); break;
2092	case EIO_WRITE: req->result = req->offs >= 0	2305	case EIO_WRITE: req->result = req->offs >= 0
…		…
2094	: write (req->int1, req->ptr2, req->size); break;	2307	: write (req->int1, req->ptr2, req->size); break;
2095		2308
2096	case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;	2309	case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
2097	case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size); break;	2310	case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size); break;
2098		2311
		2312	#if HAVE_AT
		2313
2099	case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT));	2314	case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT));
2100	req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;	2315	req->result = fstatat (dirfd, req->ptr1, (EIO_STRUCT_STAT *)req->ptr2, 0); break;
2101	case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));	2316	case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));
		2317	req->result = fstatat (dirfd, req->ptr1, (EIO_STRUCT_STAT *)req->ptr2, AT_SYMLINK_NOFOLLOW); break;
		2318	case EIO_CHOWN: req->result = fchownat (dirfd, req->ptr1, req->int2, req->int3, 0); break;
		2319	case EIO_CHMOD: req->result = fchmodat (dirfd, req->ptr1, (mode_t)req->int2, 0); break;
		2320	case EIO_TRUNCATE: req->result = eio__truncateat (dirfd, req->ptr1, req->offs); break;
		2321	case EIO_OPEN: req->result = openat (dirfd, req->ptr1, req->int1, (mode_t)req->int2); break;
		2322
		2323	case EIO_UNLINK: req->result = unlinkat (dirfd, req->ptr1, 0); break;
		2324	case EIO_RMDIR: req->result = unlinkat (dirfd, req->ptr1, AT_REMOVEDIR); break;
		2325	case EIO_MKDIR: req->result = mkdirat (dirfd, req->ptr1, (mode_t)req->int2); break;
		2326	case EIO_RENAME: req->result = renameat (dirfd, req->ptr1, WD2FD ((eio_wd)req->int3), req->ptr2); break;
		2327	case EIO_LINK: req->result = linkat (dirfd, req->ptr1, WD2FD ((eio_wd)req->int3), req->ptr2, 0); break;
		2328	case EIO_SYMLINK: req->result = symlinkat (req->ptr1, dirfd, req->ptr2); break;
		2329	case EIO_MKNOD: req->result = mknodat (dirfd, req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break;
		2330	case EIO_READLINK: ALLOC (PATH_MAX);
		2331	req->result = readlinkat (dirfd, req->ptr1, req->ptr2, PATH_MAX); break;
		2332	case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));
		2333	req->result = eio__statvfsat (dirfd, req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break;
		2334	case EIO_UTIME:
		2335	case EIO_FUTIME:
		2336	{
		2337	struct timespec ts[2];
		2338	struct timespec *times;
		2339
		2340	if (req->nv1 != -1. \|\| req->nv2 != -1.)
		2341	{
		2342	ts[0].tv_sec = req->nv1;
		2343	ts[0].tv_nsec = (req->nv1 - ts[0].tv_sec) * 1e9;
		2344	ts[1].tv_sec = req->nv2;
		2345	ts[1].tv_nsec = (req->nv2 - ts[1].tv_sec) * 1e9;
		2346
		2347	times = ts;
		2348	}
		2349	else
		2350	times = 0;
		2351
		2352	req->result = req->type == EIO_FUTIME
		2353	? futimens (req->int1, times)
		2354	: utimensat (dirfd, req->ptr1, times, 0);
		2355	}
		2356	break;
		2357
		2358	#else
		2359
		2360	case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT));
		2361	req->result = stat (path , (EIO_STRUCT_STAT *)req->ptr2); break;
		2362	case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));
2102	req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;	2363	req->result = lstat (path , (EIO_STRUCT_STAT *)req->ptr2); break;
		2364	case EIO_CHOWN: req->result = chown (path , req->int2, req->int3); break;
		2365	case EIO_CHMOD: req->result = chmod (path , (mode_t)req->int2); break;
		2366	case EIO_TRUNCATE: req->result = truncate (path , req->offs); break;
		2367	case EIO_OPEN: req->result = open (path , req->int1, (mode_t)req->int2); break;
		2368
		2369	case EIO_UNLINK: req->result = unlink (path ); break;
		2370	case EIO_RMDIR: req->result = rmdir (path ); break;
		2371	case EIO_MKDIR: req->result = mkdir (path , (mode_t)req->int2); break;
		2372	case EIO_RENAME: req->result = rename (path , req->ptr2); break;
		2373	case EIO_LINK: req->result = link (path , req->ptr2); break;
		2374	case EIO_SYMLINK: req->result = symlink (path , req->ptr2); break;
		2375	case EIO_MKNOD: req->result = mknod (path , (mode_t)req->int2, (dev_t)req->offs); break;
		2376	case EIO_READLINK: ALLOC (PATH_MAX);
		2377	req->result = readlink (path, req->ptr2, PATH_MAX); break;
		2378	case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));
		2379	req->result = statvfs (path , (EIO_STRUCT_STATVFS *)req->ptr2); break;
		2380
		2381	case EIO_UTIME:
		2382	case EIO_FUTIME:
		2383	{
		2384	struct timeval tv[2];
		2385	struct timeval *times;
		2386
		2387	if (req->nv1 != -1. \|\| req->nv2 != -1.)
		2388	{
		2389	tv[0].tv_sec = req->nv1;
		2390	tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1e6;
		2391	tv[1].tv_sec = req->nv2;
		2392	tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1e6;
		2393
		2394	times = tv;
		2395	}
		2396	else
		2397	times = 0;
		2398
		2399	req->result = req->type == EIO_FUTIME
		2400	? futimes (req->int1, times)
		2401	: utimes (req->ptr1, times);
		2402	}
		2403	break;
		2404
		2405	#endif
		2406
		2407	case EIO_REALPATH: if (0 <= (req->result = eio__realpath (&self->tmpbuf, req->wd, req->ptr1)))
		2408	{
		2409	ALLOC (req->result);
		2410	memcpy (req->ptr2, self->tmpbuf.ptr, req->result);
		2411	}
		2412	break;
		2413
2103	case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));	2414	case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));
2104	req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break;	2415	req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break;
2105		2416
2106	case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));
2107	req->result = statvfs (req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break;
2108	case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));	2417	case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));
2109	req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break;	2418	req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break;
2110		2419
2111	case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
2112	case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;	2420	case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
2113	case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break;
2114	case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break;	2421	case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break;
2115	case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break;
2116	case EIO_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;	2422	case EIO_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;
2117		2423
2118	case EIO_OPEN: req->result = open (req->ptr1, req->int1, (mode_t)req->int2); break;
2119	case EIO_CLOSE: req->result = close (req->int1); break;	2424	case EIO_CLOSE: req->result = close (req->int1); break;
2120	case EIO_DUP2: req->result = dup2 (req->int1, req->int2); break;	2425	case EIO_DUP2: req->result = dup2 (req->int1, req->int2); break;
2121	case EIO_UNLINK: req->result = unlink (req->ptr1); break;
2122	case EIO_RMDIR: req->result = rmdir (req->ptr1); break;
2123	case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break;
2124	case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break;
2125	case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break;
2126	case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break;
2127	case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break;
2128
2129	case EIO_REALPATH: eio__realpath (req, self); break;
2130
2131	case EIO_READLINK: ALLOC (PATH_MAX);
2132	req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break;
2133
2134	case EIO_SYNC: req->result = 0; sync (); break;	2426	case EIO_SYNC: req->result = 0; sync (); break;
2135	case EIO_FSYNC: req->result = fsync (req->int1); break;	2427	case EIO_FSYNC: req->result = fsync (req->int1); break;
2136	case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;	2428	case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;
2137	case EIO_SYNCFS: req->result = eio__syncfs (req->int1); break;	2429	case EIO_SYNCFS: req->result = eio__syncfs (req->int1); break;
2138	case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break;	2430	case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break;
…		…
2157	req->result = select (0, 0, 0, 0, &tv);	2449	req->result = select (0, 0, 0, 0, &tv);
2158	}	2450	}
2159	#endif	2451	#endif
2160	break;	2452	break;
2161		2453
2162	case EIO_UTIME:
2163	case EIO_FUTIME:
2164	{
2165	struct timeval tv[2];
2166	struct timeval *times;
2167
2168	if (req->nv1 != -1. \|\| req->nv2 != -1.)
2169	{
2170	tv[0].tv_sec = req->nv1;
2171	tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
2172	tv[1].tv_sec = req->nv2;
2173	tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
2174
2175	times = tv;
2176	}
2177	else
2178	times = 0;
2179
2180	req->result = req->type == EIO_FUTIME
2181	? futimes (req->int1, times)
2182	: utimes (req->ptr1, times);
2183	}
2184	break;
2185
2186	case EIO_GROUP:	2454	case EIO_GROUP:
2187	abort (); /* handled in eio_request */	2455	abort (); /* handled in eio_request */
2188		2456
2189	case EIO_NOP:	2457	case EIO_NOP:
2190	req->result = 0;	2458	req->result = 0;

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Comparing libeio/eio.c (file contents): Revision 1.101 by root, Wed Aug 3 15:25:38 2011 UTC vs. Revision 1.107 by root, Tue Sep 27 00:41:52 2011 UTC

Diff Legend

Comparing libeio/eio.c (file contents):
Revision 1.101 by root, Wed Aug 3 15:25:38 2011 UTC vs.
Revision 1.107 by root, Tue Sep 27 00:41:52 2011 UTC