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Comparing cvsroot/libeio/eio.c (file contents):
Revision 1.55 by root, Wed Mar 31 00:46:18 2010 UTC vs.
Revision 1.66 by root, Sun Jun 5 19:58:37 2011 UTC

1/* 1/*
2 * libeio implementation 2 * libeio implementation
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011 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 *
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifndef _WIN32
41# include "config.h"
42#endif
43
40#include "eio.h" 44#include "eio.h"
41 45
42#ifdef EIO_STACKSIZE 46#ifdef EIO_STACKSIZE
43# define XTHREAD_STACKSIZE EIO_STACKSIZE 47# define XTHREAD_STACKSIZE EIO_STACKSIZE
44#endif 48#endif
54#include <sys/statvfs.h> 58#include <sys/statvfs.h>
55#include <limits.h> 59#include <limits.h>
56#include <fcntl.h> 60#include <fcntl.h>
57#include <assert.h> 61#include <assert.h>
58 62
63/* intptr_t comes from unistd.h, says POSIX/UNIX/tradition */
64/* intptr_t only comes form stdint.h, says idiot openbsd coder */
65#if HAVE_STDINT_H
66# include <stdint.h>
67#endif
68
59#ifndef EIO_FINISH 69#ifndef EIO_FINISH
60# define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 70# define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0
61#endif 71#endif
62 72
63#ifndef EIO_DESTROY 73#ifndef EIO_DESTROY
71#ifdef _WIN32 81#ifdef _WIN32
72 82
73 /*doh*/ 83 /*doh*/
74#else 84#else
75 85
76# include "config.h"
77# include <sys/time.h> 86# include <sys/time.h>
78# include <sys/select.h> 87# include <sys/select.h>
79# include <sys/mman.h>
80# include <unistd.h> 88# include <unistd.h>
81# include <utime.h> 89# include <utime.h>
82# include <signal.h> 90# include <signal.h>
83# include <dirent.h> 91# include <dirent.h>
92
93#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
94# include <sys/mman.h>
95#endif
84 96
85/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ 97/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */
86# if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ 98# if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__
87# define _DIRENT_HAVE_D_TYPE /* sigh */ 99# define _DIRENT_HAVE_D_TYPE /* sigh */
88# define D_INO(de) (de)->d_fileno 100# define D_INO(de) (de)->d_fileno
129#endif 141#endif
130#ifndef D_NAMLEN 142#ifndef D_NAMLEN
131# define D_NAMLEN(de) strlen ((de)->d_name) 143# define D_NAMLEN(de) strlen ((de)->d_name)
132#endif 144#endif
133 145
134/* number of seconds after which an idle threads exit */
135#define IDLE_TIMEOUT 10
136
137/* used for struct dirent, AIX doesn't provide it */ 146/* used for struct dirent, AIX doesn't provide it */
138#ifndef NAME_MAX 147#ifndef NAME_MAX
139# define NAME_MAX 4096 148# define NAME_MAX 4096
140#endif 149#endif
141 150
220static unsigned int max_poll_reqs; /* reslock */ 229static unsigned int max_poll_reqs; /* reslock */
221 230
222static volatile unsigned int nreqs; /* reqlock */ 231static volatile unsigned int nreqs; /* reqlock */
223static volatile unsigned int nready; /* reqlock */ 232static volatile unsigned int nready; /* reqlock */
224static volatile unsigned int npending; /* reqlock */ 233static volatile unsigned int npending; /* reqlock */
225static volatile unsigned int max_idle = 4; 234static volatile unsigned int max_idle = 4; /* maximum number of threads that can idle indefinitely */
235static volatile unsigned int idle_timeout = 10; /* number of seconds after which an idle threads exit */
226 236
227static xmutex_t wrklock = X_MUTEX_INIT; 237static xmutex_t wrklock;
228static xmutex_t reslock = X_MUTEX_INIT; 238static xmutex_t reslock;
229static xmutex_t reqlock = X_MUTEX_INIT; 239static xmutex_t reqlock;
230static xcond_t reqwait = X_COND_INIT; 240static xcond_t reqwait;
231 241
232#if !HAVE_PREADWRITE 242#if !HAVE_PREADWRITE
233/* 243/*
234 * make our pread/pwrite emulation safe against themselves, but not against 244 * make our pread/pwrite emulation safe against themselves, but not against
235 * normal read/write by using a mutex. slows down execution a lot, 245 * normal read/write by using a mutex. slows down execution a lot,
365 } 375 }
366 376
367 abort (); 377 abort ();
368} 378}
369 379
380static void etp_thread_init (void)
381{
382 X_MUTEX_CREATE (wrklock);
383 X_MUTEX_CREATE (reslock);
384 X_MUTEX_CREATE (reqlock);
385 X_COND_CREATE (reqwait);
386}
387
370static void etp_atfork_prepare (void) 388static void etp_atfork_prepare (void)
371{ 389{
372 X_LOCK (wrklock); 390 X_LOCK (wrklock);
373 X_LOCK (reqlock); 391 X_LOCK (reqlock);
374 X_LOCK (reslock); 392 X_LOCK (reslock);
412 idle = 0; 430 idle = 0;
413 nreqs = 0; 431 nreqs = 0;
414 nready = 0; 432 nready = 0;
415 npending = 0; 433 npending = 0;
416 434
417 etp_atfork_parent (); 435 etp_thread_init ();
418} 436}
419 437
420static void 438static void
421etp_once_init (void) 439etp_once_init (void)
422{ 440{
441 etp_thread_init ();
423 X_THREAD_ATFORK (etp_atfork_prepare, etp_atfork_parent, etp_atfork_child); 442 X_THREAD_ATFORK (etp_atfork_prepare, etp_atfork_parent, etp_atfork_child);
424} 443}
425 444
426static int 445static int
427etp_init (void (*want_poll)(void), void (*done_poll)(void)) 446etp_init (void (*want_poll)(void), void (*done_poll)(void))
618} 637}
619 638
620static void etp_set_max_idle (unsigned int nthreads) 639static void etp_set_max_idle (unsigned int nthreads)
621{ 640{
622 if (WORDACCESS_UNSAFE) X_LOCK (reqlock); 641 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
623 max_idle = nthreads <= 0 ? 1 : nthreads; 642 max_idle = nthreads;
643 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
644}
645
646static void etp_set_idle_timeout (unsigned int seconds)
647{
648 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
649 idle_timeout = seconds;
624 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); 650 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
625} 651}
626 652
627static void etp_set_min_parallel (unsigned int nthreads) 653static void etp_set_min_parallel (unsigned int nthreads)
628{ 654{
756void eio_set_max_idle (unsigned int nthreads) 782void eio_set_max_idle (unsigned int nthreads)
757{ 783{
758 etp_set_max_idle (nthreads); 784 etp_set_max_idle (nthreads);
759} 785}
760 786
787void eio_set_idle_timeout (unsigned int seconds)
788{
789 etp_set_idle_timeout (seconds);
790}
791
761void eio_set_min_parallel (unsigned int nthreads) 792void eio_set_min_parallel (unsigned int nthreads)
762{ 793{
763 etp_set_min_parallel (nthreads); 794 etp_set_min_parallel (nthreads);
764} 795}
765 796
813 844
814 return res; 845 return res;
815} 846}
816#endif 847#endif
817 848
818#ifndef HAVE_FUTIMES 849#ifndef HAVE_UTIMES
819 850
820# undef utimes 851# undef utimes
821# undef futimes
822# define utimes(path,times) eio__utimes (path, times) 852# define utimes(path,times) eio__utimes (path, times)
823# define futimes(fd,times) eio__futimes (fd, times)
824 853
825static int 854static int
826eio__utimes (const char *filename, const struct timeval times[2]) 855eio__utimes (const char *filename, const struct timeval times[2])
827{ 856{
828 if (times) 857 if (times)
835 return utime (filename, &buf); 864 return utime (filename, &buf);
836 } 865 }
837 else 866 else
838 return utime (filename, 0); 867 return utime (filename, 0);
839} 868}
869
870#endif
871
872#ifndef HAVE_FUTIMES
873
874# undef futimes
875# define futimes(fd,times) eio__futimes (fd, times)
840 876
841static int eio__futimes (int fd, const struct timeval tv[2]) 877static int eio__futimes (int fd, const struct timeval tv[2])
842{ 878{
843 errno = ENOSYS; 879 errno = ENOSYS;
844 return -1; 880 return -1;
1033} 1069}
1034 1070
1035static signed char 1071static signed char
1036eio_dent_cmp (const eio_dirent *a, const eio_dirent *b) 1072eio_dent_cmp (const eio_dirent *a, const eio_dirent *b)
1037{ 1073{
1038 return a->score - b->score ? a->score - b->score /* works because our signed char is always 0..100 */ 1074 return a->score - b->score ? a->score - b->score /* works because our signed char is always 0..100 */
1039 : a->inode < b->inode ? -1 : a->inode > b->inode ? 1 : 0; 1075 : a->inode < b->inode ? -1
1076 : a->inode > b->inode ? 1
1077 : 0;
1040} 1078}
1041 1079
1042#define EIO_DENT_CMP(i,op,j) eio_dent_cmp (&i, &j) op 0 1080#define EIO_DENT_CMP(i,op,j) eio_dent_cmp (&i, &j) op 0
1043 1081
1044#define EIO_SORT_CUTOFF 30 /* quite high, but performs well on many filesystems */ 1082#define EIO_SORT_CUTOFF 30 /* quite high, but performs well on many filesystems */
1050 unsigned char bits [9 + sizeof (ino_t) * 8]; 1088 unsigned char bits [9 + sizeof (ino_t) * 8];
1051 unsigned char *bit = bits; 1089 unsigned char *bit = bits;
1052 1090
1053 assert (CHAR_BIT == 8); 1091 assert (CHAR_BIT == 8);
1054 assert (sizeof (eio_dirent) * 8 < 256); 1092 assert (sizeof (eio_dirent) * 8 < 256);
1055 assert (offsetof (eio_dirent, inode)); /* we use 0 as sentinel */ 1093 assert (offsetof (eio_dirent, inode)); /* we use bit #0 as sentinel */
1056 assert (offsetof (eio_dirent, score)); /* we use 0 as sentinel */ 1094 assert (offsetof (eio_dirent, score)); /* we use bit #0 as sentinel */
1057 1095
1058 if (size <= EIO_SORT_FAST) 1096 if (size <= EIO_SORT_FAST)
1059 return; 1097 return;
1060 1098
1061 /* first prepare an array of bits to test in our radix sort */ 1099 /* first prepare an array of bits to test in our radix sort */
1216 flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); 1254 flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER);
1217 1255
1218 X_LOCK (wrklock); 1256 X_LOCK (wrklock);
1219 /* the corresponding closedir is in ETP_WORKER_CLEAR */ 1257 /* the corresponding closedir is in ETP_WORKER_CLEAR */
1220 self->dirp = dirp = opendir (req->ptr1); 1258 self->dirp = dirp = opendir (req->ptr1);
1259
1221 req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; 1260 req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE;
1222 req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; 1261 req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0;
1223 req->ptr2 = names = malloc (namesalloc); 1262 req->ptr2 = names = malloc (namesalloc);
1224 X_UNLOCK (wrklock); 1263 X_UNLOCK (wrklock);
1225 1264
1237 /* sort etc. */ 1276 /* sort etc. */
1238 req->int1 = flags; 1277 req->int1 = flags;
1239 req->result = dentoffs; 1278 req->result = dentoffs;
1240 1279
1241 if (flags & EIO_READDIR_STAT_ORDER) 1280 if (flags & EIO_READDIR_STAT_ORDER)
1242 eio_dent_sort (dents, dentoffs, 0, inode_bits); /* sort by inode exclusively */ 1281 eio_dent_sort (dents, dentoffs, flags & EIO_READDIR_DIRS_FIRST ? 7 : 0, inode_bits);
1243 else if (flags & EIO_READDIR_DIRS_FIRST) 1282 else if (flags & EIO_READDIR_DIRS_FIRST)
1244 if (flags & EIO_READDIR_FOUND_UNKNOWN) 1283 if (flags & EIO_READDIR_FOUND_UNKNOWN)
1245 eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */ 1284 eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */
1246 else 1285 else
1247 { 1286 {
1249 eio_dirent *oth = dents + dentoffs; 1288 eio_dirent *oth = dents + dentoffs;
1250 eio_dirent *dir = dents; 1289 eio_dirent *dir = dents;
1251 1290
1252 /* now partition dirs to the front, and non-dirs to the back */ 1291 /* now partition dirs to the front, and non-dirs to the back */
1253 /* by walking from both sides and swapping if necessary */ 1292 /* by walking from both sides and swapping if necessary */
1254 /* also clear score, so it doesn't influence sorting */
1255 while (oth > dir) 1293 while (oth > dir)
1256 { 1294 {
1257 if (dir->type == EIO_DT_DIR) 1295 if (dir->type == EIO_DT_DIR)
1258 ++dir; 1296 ++dir;
1259 else if ((--oth)->type == EIO_DT_DIR) 1297 else if ((--oth)->type == EIO_DT_DIR)
1262 1300
1263 ++dir; 1301 ++dir;
1264 } 1302 }
1265 } 1303 }
1266 1304
1267 /* now sort the dirs only */ 1305 /* now sort the dirs only (dirs all have the same score) */
1268 eio_dent_sort (dents, dir - dents, 0, inode_bits); 1306 eio_dent_sort (dents, dir - dents, 0, inode_bits);
1269 } 1307 }
1270 1308
1271 break; 1309 break;
1272 } 1310 }
1392 break; 1430 break;
1393 } 1431 }
1394 } 1432 }
1395} 1433}
1396 1434
1435#ifdef PAGESIZE
1436# define eio_pagesize() PAGESIZE
1437#else
1438static intptr_t
1439eio_pagesize (void)
1440{
1441 static intptr_t page;
1442
1443 if (!page)
1444 page = sysconf (_SC_PAGESIZE);
1445
1446 return page;
1447}
1448#endif
1449
1450static void
1451eio_page_align (void **addr, size_t *length)
1452{
1453 intptr_t mask = eio_pagesize () - 1;
1454
1455 /* round down addr */
1456 intptr_t adj = mask & (intptr_t)*addr;
1457
1458 *addr = (void *)((intptr_t)*addr - adj);
1459 *length += adj;
1460
1461 /* round up length */
1462 *length = (*length + mask) & ~mask;
1463}
1464
1465#if !_POSIX_MEMLOCK
1466# define eio__mlockall(a) ((errno = ENOSYS), -1)
1467#else
1468
1469static int
1470eio__mlockall (int flags)
1471{
1472 #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475 #endif
1476
1477 if (EIO_MCL_CURRENT != MCL_CURRENT
1478 || EIO_MCL_FUTURE != MCL_FUTURE)
1479 {
1480 flags = 0
1481 | (flags & EIO_MCL_CURRENT ? MCL_CURRENT : 0)
1482 | (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0);
1483 }
1484
1485 return mlockall (flags);
1486}
1487#endif
1488
1489#if !_POSIX_MEMLOCK_RANGE
1490# define eio__mlock(a,b) ((errno = ENOSYS), -1)
1491#else
1492
1493static int
1494eio__mlock (void *addr, size_t length)
1495{
1496 eio_page_align (&addr, &length);
1497
1498 return mlock (addr, length);
1499}
1500
1501#endif
1502
1397#if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) 1503#if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO)
1398# define eio__msync(a,b,c) ((errno = ENOSYS), -1) 1504# define eio__msync(a,b,c) ((errno = ENOSYS), -1)
1399#else 1505#else
1400 1506
1401int 1507int
1402eio__msync (void *mem, size_t len, int flags) 1508eio__msync (void *mem, size_t len, int flags)
1403{ 1509{
1510 eio_page_align (&mem, &len);
1511
1404 if (EIO_MS_ASYNC != MS_SYNC 1512 if (EIO_MS_ASYNC != MS_SYNC
1405 || EIO_MS_INVALIDATE != MS_INVALIDATE 1513 || EIO_MS_INVALIDATE != MS_INVALIDATE
1406 || EIO_MS_SYNC != MS_SYNC) 1514 || EIO_MS_SYNC != MS_SYNC)
1407 { 1515 {
1408 flags = 0 1516 flags = 0
1417#endif 1525#endif
1418 1526
1419int 1527int
1420eio__mtouch (void *mem, size_t len, int flags) 1528eio__mtouch (void *mem, size_t len, int flags)
1421{ 1529{
1530 eio_page_align (&mem, &len);
1531
1532 {
1422 intptr_t addr = (intptr_t)mem; 1533 intptr_t addr = (intptr_t)mem;
1423 intptr_t end = addr + len; 1534 intptr_t end = addr + len;
1424#ifdef PAGESIZE 1535 intptr_t page = eio_pagesize ();
1425 const intptr_t page = PAGESIZE;
1426#else
1427 static intptr_t page;
1428 1536
1429 if (!page)
1430 page = sysconf (_SC_PAGESIZE);
1431#endif
1432
1433 /* round down to start of page, although this is probably useless */
1434 addr &= ~(page - 1); /* assume page size is always a power of two */
1435
1436 if (addr < end) 1537 if (addr < end)
1437 if (flags & EIO_MT_MODIFY) /* modify */ 1538 if (flags & EIO_MT_MODIFY) /* modify */
1438 do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); 1539 do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len);
1439 else 1540 else
1440 do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); 1541 do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len);
1542 }
1441 1543
1442 return 0; 1544 return 0;
1443} 1545}
1444 1546
1445/*****************************************************************************/ 1547/*****************************************************************************/
1479 if (req) 1581 if (req)
1480 break; 1582 break;
1481 1583
1482 ++idle; 1584 ++idle;
1483 1585
1484 ts.tv_sec = time (0) + IDLE_TIMEOUT; 1586 ts.tv_sec = time (0) + idle_timeout;
1485 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) 1587 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT)
1486 { 1588 {
1487 if (idle > max_idle) 1589 if (idle > max_idle)
1488 { 1590 {
1489 --idle; 1591 --idle;
1568 return 0; \ 1670 return 0; \
1569 } 1671 }
1570 1672
1571static void eio_execute (etp_worker *self, eio_req *req) 1673static void eio_execute (etp_worker *self, eio_req *req)
1572{ 1674{
1573 errno = 0;
1574
1575 switch (req->type) 1675 switch (req->type)
1576 { 1676 {
1577 case EIO_READ: ALLOC (req->size); 1677 case EIO_READ: ALLOC (req->size);
1578 req->result = req->offs >= 0 1678 req->result = req->offs >= 0
1579 ? pread (req->int1, req->ptr2, req->size, req->offs) 1679 ? pread (req->int1, req->ptr2, req->size, req->offs)
1611 case EIO_RMDIR: req->result = rmdir (req->ptr1); break; 1711 case EIO_RMDIR: req->result = rmdir (req->ptr1); break;
1612 case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; 1712 case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break;
1613 case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; 1713 case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break;
1614 case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; 1714 case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break;
1615 case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; 1715 case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break;
1616 case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->int3); break; 1716 case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break;
1617 1717
1618 case EIO_READLINK: ALLOC (PATH_MAX); 1718 case EIO_READLINK: ALLOC (PATH_MAX);
1619 req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; 1719 req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break;
1620 1720
1621 case EIO_SYNC: req->result = 0; sync (); break; 1721 case EIO_SYNC: req->result = 0; sync (); break;
1622 case EIO_FSYNC: req->result = fsync (req->int1); break; 1722 case EIO_FSYNC: req->result = fsync (req->int1); break;
1623 case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; 1723 case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;
1624 case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; 1724 case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break;
1625 case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; 1725 case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break;
1726 case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break;
1727 case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break;
1626 case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; 1728 case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break;
1627 1729
1628 case EIO_READDIR: eio__scandir (req, self); break; 1730 case EIO_READDIR: eio__scandir (req, self); break;
1629 1731
1630 case EIO_BUSY: 1732 case EIO_BUSY:
1631#ifdef _WIN32 1733#ifdef _WIN32
1632 Sleep (req->nv1 * 1000.); 1734 Sleep (req->nv1 * 1e3);
1633#else 1735#else
1634 { 1736 {
1635 struct timeval tv; 1737 struct timeval tv;
1636 1738
1637 tv.tv_sec = req->nv1; 1739 tv.tv_sec = req->nv1;
1638 tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; 1740 tv.tv_usec = (req->nv1 - tv.tv_sec) * 1e6;
1639 1741
1640 req->result = select (0, 0, 0, 0, &tv); 1742 req->result = select (0, 0, 0, 0, &tv);
1641 } 1743 }
1642#endif 1744#endif
1643 break; 1745 break;
1658 times = tv; 1760 times = tv;
1659 } 1761 }
1660 else 1762 else
1661 times = 0; 1763 times = 0;
1662 1764
1663
1664 req->result = req->type == EIO_FUTIME 1765 req->result = req->type == EIO_FUTIME
1665 ? futimes (req->int1, times) 1766 ? futimes (req->int1, times)
1666 : utimes (req->ptr1, times); 1767 : utimes (req->ptr1, times);
1667 } 1768 }
1668 break; 1769 break;
1677 case EIO_CUSTOM: 1778 case EIO_CUSTOM:
1678 ((void (*)(eio_req *))req->feed) (req); 1779 ((void (*)(eio_req *))req->feed) (req);
1679 break; 1780 break;
1680 1781
1681 default: 1782 default:
1783 errno = ENOSYS;
1682 req->result = -1; 1784 req->result = -1;
1683 break; 1785 break;
1684 } 1786 }
1685 1787
1686 req->errorno = errno; 1788 req->errorno = errno;
1716eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) 1818eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data)
1717{ 1819{
1718 REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; 1820 REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND;
1719} 1821}
1720 1822
1823eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data)
1824{
1825 REQ (EIO_MLOCK); req->ptr2 = addr; req->size = length; SEND;
1826}
1827
1828eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data)
1829{
1830 REQ (EIO_MLOCKALL); req->int1 = flags; SEND;
1831}
1832
1721eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) 1833eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data)
1722{ 1834{
1723 REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; 1835 REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND;
1724} 1836}
1725 1837
1859 REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; 1971 REQ (EIO_READDIR); PATH; req->int1 = flags; SEND;
1860} 1972}
1861 1973
1862eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) 1974eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data)
1863{ 1975{
1864 REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; 1976 REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->offs = (off_t)dev; SEND;
1865} 1977}
1866 1978
1867static eio_req * 1979static eio_req *
1868eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) 1980eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data)
1869{ 1981{

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