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Comparing cvsroot/libeio/eio.c (file contents):
Revision 1.44 by root, Thu Nov 26 05:25:35 2009 UTC vs.
Revision 1.59 by root, Wed Dec 1 07:30:39 2010 UTC

1/* 1/*
2 * libeio implementation 2 * libeio implementation
3 * 3 *
4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libeio@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
49#include <stdlib.h> 49#include <stdlib.h>
50#include <string.h> 50#include <string.h>
51#include <errno.h> 51#include <errno.h>
52#include <sys/types.h> 52#include <sys/types.h>
53#include <sys/stat.h> 53#include <sys/stat.h>
54#include <sys/statvfs.h>
54#include <limits.h> 55#include <limits.h>
55#include <fcntl.h> 56#include <fcntl.h>
56#include <assert.h> 57#include <assert.h>
57 58
58#ifndef EIO_FINISH 59#ifndef EIO_FINISH
… …
73#else 74#else
74 75
75# include "config.h" 76# include "config.h"
76# include <sys/time.h> 77# include <sys/time.h>
77# include <sys/select.h> 78# include <sys/select.h>
78# include <sys/mman.h>
79# include <unistd.h> 79# include <unistd.h>
80# include <utime.h> 80# include <utime.h>
81# include <signal.h> 81# include <signal.h>
82# include <dirent.h> 82# include <dirent.h>
83 83
84#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
85# include <sys/mman.h>
86#endif
87
84/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ 88/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */
85# if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) 89# if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__
86# define _DIRENT_HAVE_D_TYPE /* sigh */ 90# define _DIRENT_HAVE_D_TYPE /* sigh */
87# define D_INO(de) (de)->d_fileno 91# define D_INO(de) (de)->d_fileno
88# define D_NAMLEN(de) (de)->d_namlen 92# define D_NAMLEN(de) (de)->d_namlen
89# elif defined(__linux) || defined(d_ino) || _XOPEN_SOURCE >= 600 93# elif __linux || defined d_ino || _XOPEN_SOURCE >= 600
90# define D_INO(de) (de)->d_ino 94# define D_INO(de) (de)->d_ino
91# endif 95# endif
92 96
93#ifdef _D_EXACT_NAMLEN 97#ifdef _D_EXACT_NAMLEN
94# undef D_NAMLEN 98# undef D_NAMLEN
… …
106#endif 110#endif
107 111
108#if HAVE_SENDFILE 112#if HAVE_SENDFILE
109# if __linux 113# if __linux
110# include <sys/sendfile.h> 114# include <sys/sendfile.h>
111# elif __freebsd 115# elif __FreeBSD__ || defined __APPLE__
112# include <sys/socket.h> 116# include <sys/socket.h>
113# include <sys/uio.h> 117# include <sys/uio.h>
114# elif __hpux 118# elif __hpux
115# include <sys/socket.h> 119# include <sys/socket.h>
116# elif __solaris /* not yet */ 120# elif __solaris
117# include <sys/sendfile.h> 121# include <sys/sendfile.h>
118# else 122# else
119# error sendfile support requested but not available 123# error sendfile support requested but not available
120# endif 124# endif
121#endif 125#endif
… …
134#define IDLE_TIMEOUT 10 138#define IDLE_TIMEOUT 10
135 139
136/* used for struct dirent, AIX doesn't provide it */ 140/* used for struct dirent, AIX doesn't provide it */
137#ifndef NAME_MAX 141#ifndef NAME_MAX
138# define NAME_MAX 4096 142# define NAME_MAX 4096
143#endif
144
145/* used for readlink etc. */
146#ifndef PATH_MAX
147# define PATH_MAX 4096
139#endif 148#endif
140 149
141/* buffer size for various temporary buffers */ 150/* buffer size for various temporary buffers */
142#define EIO_BUFSIZE 65536 151#define EIO_BUFSIZE 65536
143 152
… …
216static volatile unsigned int nreqs; /* reqlock */ 225static volatile unsigned int nreqs; /* reqlock */
217static volatile unsigned int nready; /* reqlock */ 226static volatile unsigned int nready; /* reqlock */
218static volatile unsigned int npending; /* reqlock */ 227static volatile unsigned int npending; /* reqlock */
219static volatile unsigned int max_idle = 4; 228static volatile unsigned int max_idle = 4;
220 229
221static mutex_t wrklock = X_MUTEX_INIT; 230static xmutex_t wrklock = X_MUTEX_INIT;
222static mutex_t reslock = X_MUTEX_INIT; 231static xmutex_t reslock = X_MUTEX_INIT;
223static mutex_t reqlock = X_MUTEX_INIT; 232static xmutex_t reqlock = X_MUTEX_INIT;
224static cond_t reqwait = X_COND_INIT; 233static xcond_t reqwait = X_COND_INIT;
225 234
226#if !HAVE_PREADWRITE 235#if !HAVE_PREADWRITE
227/* 236/*
228 * make our pread/pwrite emulation safe against themselves, but not against 237 * make our pread/pwrite emulation safe against themselves, but not against
229 * normal read/write by using a mutex. slows down execution a lot, 238 * normal read/write by using a mutex. slows down execution a lot,
230 * but that's your problem, not mine. 239 * but that's your problem, not mine.
231 */ 240 */
232static mutex_t preadwritelock = X_MUTEX_INIT; 241static xmutex_t preadwritelock = X_MUTEX_INIT;
233#endif 242#endif
234 243
235typedef struct etp_worker 244typedef struct etp_worker
236{ 245{
237 /* locked by wrklock */ 246 /* locked by wrklock */
238 struct etp_worker *prev, *next; 247 struct etp_worker *prev, *next;
239 248
240 thread_t tid; 249 xthread_t tid;
241 250
242 /* locked by reslock, reqlock or wrklock */ 251 /* locked by reslock, reqlock or wrklock */
243 ETP_REQ *req; /* currently processed request */ 252 ETP_REQ *req; /* currently processed request */
244 253
245 ETP_WORKER_COMMON 254 ETP_WORKER_COMMON
… …
807 816
808 return res; 817 return res;
809} 818}
810#endif 819#endif
811 820
812#ifndef HAVE_FUTIMES 821#ifndef HAVE_UTIMES
813 822
814# undef utimes 823# undef utimes
815# undef futimes
816# define utimes(path,times) eio__utimes (path, times) 824# define utimes(path,times) eio__utimes (path, times)
817# define futimes(fd,times) eio__futimes (fd, times)
818 825
819static int 826static int
820eio__utimes (const char *filename, const struct timeval times[2]) 827eio__utimes (const char *filename, const struct timeval times[2])
821{ 828{
822 if (times) 829 if (times)
… …
829 return utime (filename, &buf); 836 return utime (filename, &buf);
830 } 837 }
831 else 838 else
832 return utime (filename, 0); 839 return utime (filename, 0);
833} 840}
841
842#endif
843
844#ifndef HAVE_FUTIMES
845
846# undef futimes
847# define futimes(fd,times) eio__futimes (fd, times)
834 848
835static int eio__futimes (int fd, const struct timeval tv[2]) 849static int eio__futimes (int fd, const struct timeval tv[2])
836{ 850{
837 errno = ENOSYS; 851 errno = ENOSYS;
838 return -1; 852 return -1;
… …
909 923
910#if HAVE_SENDFILE 924#if HAVE_SENDFILE
911# if __linux 925# if __linux
912 res = sendfile (ofd, ifd, &offset, count); 926 res = sendfile (ofd, ifd, &offset, count);
913 927
914# elif __freebsd 928# elif __FreeBSD__
915 /* 929 /*
916 * Of course, the freebsd sendfile is a dire hack with no thoughts 930 * Of course, the freebsd sendfile is a dire hack with no thoughts
917 * wasted on making it similar to other I/O functions. 931 * wasted on making it similar to other I/O functions.
918 */ 932 */
919 { 933 {
920 off_t sbytes; 934 off_t sbytes;
921 res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); 935 res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0);
922 936
923 if (res < 0 && sbytes) 937 #if 0 /* according to the manpage, this is correct, but broken behaviour */
924 /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ 938 /* freebsd' sendfile will return 0 on success */
939 /* freebsd 8 documents it as only setting *sbytes on EINTR and EAGAIN, but */
940 /* not on e.g. EIO or EPIPE - sounds broken */
941 if ((res < 0 && (errno == EAGAIN || errno == EINTR) && sbytes) || res == 0)
942 res = sbytes;
943 #endif
944
945 /* according to source inspection, this is correct, and useful behaviour */
946 if (sbytes)
947 res = sbytes;
948 }
949
950# elif defined (__APPLE__)
951
952 {
953 off_t sbytes = count;
954 res = sendfile (ifd, ofd, offset, &sbytes, 0, 0);
955
956 /* according to the manpage, sbytes is always valid */
957 if (sbytes)
925 res = sbytes; 958 res = sbytes;
926 } 959 }
927 960
928# elif __hpux 961# elif __hpux
929 res = sendfile (ofd, ifd, offset, count, 0, 0); 962 res = sendfile (ofd, ifd, offset, count, 0, 0);
… …
943 if (res < 0 && sbytes) 976 if (res < 0 && sbytes)
944 res = sbytes; 977 res = sbytes;
945 } 978 }
946 979
947# endif 980# endif
981
982#elif defined (_WIN32)
983
984 /* does not work, just for documentation of what would need to be done */
985 {
986 HANDLE h = TO_SOCKET (ifd);
987 SetFilePointer (h, offset, 0, FILE_BEGIN);
988 res = TransmitFile (TO_SOCKET (ofd), h, count, 0, 0, 0, 0);
989 }
990
948#else 991#else
949 res = -1; 992 res = -1;
950 errno = ENOSYS; 993 errno = ENOSYS;
951#endif 994#endif
952 995
953 if (res < 0 996 if (res < 0
954 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK 997 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK
998 /* BSDs */
999#ifdef ENOTSUP /* sigh, if the steenking pile called openbsd would only try to at least compile posix code... */
1000 || errno == ENOTSUP
1001#endif
1002 || errno == EOPNOTSUPP /* BSDs */
955#if __solaris 1003#if __solaris
956 || errno == EAFNOSUPPORT || errno == EPROTOTYPE 1004 || errno == EAFNOSUPPORT || errno == EPROTOTYPE
957#endif 1005#endif
958 ) 1006 )
959 ) 1007 )
… …
1352 break; 1400 break;
1353 } 1401 }
1354 } 1402 }
1355} 1403}
1356 1404
1405#ifdef PAGESIZE
1406# define eio_pagesize() PAGESIZE
1407#else
1408static intptr_t
1409eio_pagesize (void)
1410{
1411 static intptr_t page;
1412
1413 if (!page)
1414 page = sysconf (_SC_PAGESIZE);
1415
1416 return page;
1417}
1418#endif
1419
1420static void
1421eio_page_align (void **addr, size_t *length)
1422{
1423 intptr_t mask = eio_pagesize () - 1;
1424
1425 /* round down addr */
1426 intptr_t adj = mask & (intptr_t)*addr;
1427
1428 *addr = (void *)((intptr_t)*addr - adj);
1429 *length += adj;
1430
1431 /* round up length */
1432 *length = (*length + mask) & ~mask;
1433}
1434
1435#if !_POSIX_MEMLOCK
1436# define eio__mlock(a,b) ((errno = ENOSYS), -1)
1437# define eio__mlockall(a) ((errno = ENOSYS), -1)
1438#else
1439
1440static int
1441eio__mlock (void *addr, size_t length)
1442{
1443 eio_page_align (&addr, &length);
1444
1445 return mlock (addr, length);
1446}
1447
1448static int
1449eio__mlockall (int flags)
1450{
1451 #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1452 extern int mallopt (int, int);
1453 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1454 #endif
1455
1456 if (EIO_MCL_CURRENT != MCL_CURRENT
1457 || EIO_MCL_FUTURE != MCL_FUTURE)
1458 {
1459 flags = 0
1460 | (flags & EIO_MCL_CURRENT ? MCL_CURRENT : 0)
1461 | (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0);
1462 }
1463
1464 return mlockall (flags);
1465}
1466#endif
1467
1357#if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) 1468#if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO)
1358# undef msync
1359# define msync(a,b,c) ((errno = ENOSYS), -1) 1469# define eio__msync(a,b,c) ((errno = ENOSYS), -1)
1470#else
1471
1472int
1473eio__msync (void *mem, size_t len, int flags)
1474{
1475 eio_page_align (&mem, &len);
1476
1477 if (EIO_MS_ASYNC != MS_SYNC
1478 || EIO_MS_INVALIDATE != MS_INVALIDATE
1479 || EIO_MS_SYNC != MS_SYNC)
1480 {
1481 flags = 0
1482 | (flags & EIO_MS_ASYNC ? MS_ASYNC : 0)
1483 | (flags & EIO_MS_INVALIDATE ? MS_INVALIDATE : 0)
1484 | (flags & EIO_MS_SYNC ? MS_SYNC : 0);
1485 }
1486
1487 return msync (mem, len, flags);
1488}
1489
1360#endif 1490#endif
1361 1491
1362int 1492int
1363eio__mtouch (void *mem, size_t len, int flags) 1493eio__mtouch (void *mem, size_t len, int flags)
1364{ 1494{
1495 eio_page_align (&mem, &len);
1496
1497 {
1365 intptr_t addr = (intptr_t)mem; 1498 intptr_t addr = (intptr_t)mem;
1366 intptr_t end = addr + len; 1499 intptr_t end = addr + len;
1367#ifdef PAGESIZE 1500 intptr_t page = eio_pagesize ();
1368 const intptr_t page = PAGESIZE;
1369#else
1370 static intptr_t page;
1371 1501
1372 if (!page)
1373 page = sysconf (_SC_PAGESIZE);
1374#endif
1375
1376 addr &= ~(page - 1); /* assume page size is always a power of two */
1377
1378 if (addr < end) 1502 if (addr < end)
1379 if (flags) /* modify */ 1503 if (flags & EIO_MT_MODIFY) /* modify */
1380 do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); 1504 do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len);
1381 else 1505 else
1382 do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); 1506 do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len);
1507 }
1383 1508
1384 return 0; 1509 return 0;
1385} 1510}
1386 1511
1387/*****************************************************************************/ 1512/*****************************************************************************/
… …
1510 return 0; \ 1635 return 0; \
1511 } 1636 }
1512 1637
1513static void eio_execute (etp_worker *self, eio_req *req) 1638static void eio_execute (etp_worker *self, eio_req *req)
1514{ 1639{
1515 errno = 0;
1516
1517 switch (req->type) 1640 switch (req->type)
1518 { 1641 {
1519 case EIO_READ: ALLOC (req->size); 1642 case EIO_READ: ALLOC (req->size);
1520 req->result = req->offs >= 0 1643 req->result = req->offs >= 0
1521 ? pread (req->int1, req->ptr2, req->size, req->offs) 1644 ? pread (req->int1, req->ptr2, req->size, req->offs)
… …
1531 req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; 1654 req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;
1532 case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); 1655 case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));
1533 req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; 1656 req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break;
1534 case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); 1657 case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT));
1535 req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; 1658 req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break;
1659
1660 case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));
1661 req->result = statvfs (req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break;
1662 case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS));
1663 req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break;
1536 1664
1537 case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; 1665 case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
1538 case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; 1666 case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
1539 case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; 1667 case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break;
1540 case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; 1668 case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break;
… …
1550 case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; 1678 case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break;
1551 case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; 1679 case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break;
1552 case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; 1680 case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break;
1553 case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->int3); break; 1681 case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->int3); break;
1554 1682
1555 case EIO_READLINK: ALLOC (NAME_MAX); 1683 case EIO_READLINK: ALLOC (PATH_MAX);
1556 req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; 1684 req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break;
1557 1685
1558 case EIO_SYNC: req->result = 0; sync (); break; 1686 case EIO_SYNC: req->result = 0; sync (); break;
1559 case EIO_FSYNC: req->result = fsync (req->int1); break; 1687 case EIO_FSYNC: req->result = fsync (req->int1); break;
1560 case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; 1688 case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;
1561 case EIO_MSYNC: req->result = msync (req->ptr2, req->size, req->int1); break; 1689 case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break;
1562 case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; 1690 case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break;
1691 case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break;
1692 case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break;
1563 case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; 1693 case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break;
1564 1694
1565 case EIO_READDIR: eio__scandir (req, self); break; 1695 case EIO_READDIR: eio__scandir (req, self); break;
1566 1696
1567 case EIO_BUSY: 1697 case EIO_BUSY:
1568#ifdef _WIN32 1698#ifdef _WIN32
1569 Sleep (req->nv1 * 1000.); 1699 Sleep (req->nv1 * 1e3);
1570#else 1700#else
1571 { 1701 {
1572 struct timeval tv; 1702 struct timeval tv;
1573 1703
1574 tv.tv_sec = req->nv1; 1704 tv.tv_sec = req->nv1;
1575 tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; 1705 tv.tv_usec = (req->nv1 - tv.tv_sec) * 1e6;
1576 1706
1577 req->result = select (0, 0, 0, 0, &tv); 1707 req->result = select (0, 0, 0, 0, &tv);
1578 } 1708 }
1579#endif 1709#endif
1580 break; 1710 break;
… …
1595 times = tv; 1725 times = tv;
1596 } 1726 }
1597 else 1727 else
1598 times = 0; 1728 times = 0;
1599 1729
1600
1601 req->result = req->type == EIO_FUTIME 1730 req->result = req->type == EIO_FUTIME
1602 ? futimes (req->int1, times) 1731 ? futimes (req->int1, times)
1603 : utimes (req->ptr1, times); 1732 : utimes (req->ptr1, times);
1604 } 1733 }
1605 break; 1734 break;
… …
1614 case EIO_CUSTOM: 1743 case EIO_CUSTOM:
1615 ((void (*)(eio_req *))req->feed) (req); 1744 ((void (*)(eio_req *))req->feed) (req);
1616 break; 1745 break;
1617 1746
1618 default: 1747 default:
1748 errno = ENOSYS;
1619 req->result = -1; 1749 req->result = -1;
1620 break; 1750 break;
1621 } 1751 }
1622 1752
1623 req->errorno = errno; 1753 req->errorno = errno;
… …
1653eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) 1783eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data)
1654{ 1784{
1655 REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; 1785 REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND;
1656} 1786}
1657 1787
1788eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data)
1789{
1790 REQ (EIO_MLOCK); req->ptr2 = addr; req->size = length; SEND;
1791}
1792
1793eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data)
1794{
1795 REQ (EIO_MLOCKALL); req->int1 = flags; SEND;
1796}
1797
1658eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) 1798eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data)
1659{ 1799{
1660 REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; 1800 REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND;
1661} 1801}
1662 1802
… …
1686} 1826}
1687 1827
1688eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) 1828eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data)
1689{ 1829{
1690 REQ (EIO_FSTAT); req->int1 = fd; SEND; 1830 REQ (EIO_FSTAT); req->int1 = fd; SEND;
1831}
1832
1833eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data)
1834{
1835 REQ (EIO_FSTATVFS); req->int1 = fd; SEND;
1691} 1836}
1692 1837
1693eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) 1838eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data)
1694{ 1839{
1695 REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; 1840 REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND;
… …
1767} 1912}
1768 1913
1769eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) 1914eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data)
1770{ 1915{
1771 return eio__1path (EIO_LSTAT, path, pri, cb, data); 1916 return eio__1path (EIO_LSTAT, path, pri, cb, data);
1917}
1918
1919eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data)
1920{
1921 return eio__1path (EIO_STATVFS, path, pri, cb, data);
1772} 1922}
1773 1923
1774eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) 1924eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data)
1775{ 1925{
1776 return eio__1path (EIO_UNLINK, path, pri, cb, data); 1926 return eio__1path (EIO_UNLINK, path, pri, cb, data);

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