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) 2007,2008,2009,2010,2011 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 | * |
… | |
… | |
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_MEMLOCK_RANGE || _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 | |
… | |
… | |
216 | static volatile unsigned int nreqs; /* reqlock */ |
225 | static volatile unsigned int nreqs; /* reqlock */ |
217 | static volatile unsigned int nready; /* reqlock */ |
226 | static volatile unsigned int nready; /* reqlock */ |
218 | static volatile unsigned int npending; /* reqlock */ |
227 | static volatile unsigned int npending; /* reqlock */ |
219 | static volatile unsigned int max_idle = 4; |
228 | static volatile unsigned int max_idle = 4; |
220 | |
229 | |
221 | static mutex_t wrklock = X_MUTEX_INIT; |
230 | static xmutex_t wrklock = X_MUTEX_INIT; |
222 | static mutex_t reslock = X_MUTEX_INIT; |
231 | static xmutex_t reslock = X_MUTEX_INIT; |
223 | static mutex_t reqlock = X_MUTEX_INIT; |
232 | static xmutex_t reqlock = X_MUTEX_INIT; |
224 | static cond_t reqwait = X_COND_INIT; |
233 | static 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 | */ |
232 | static mutex_t preadwritelock = X_MUTEX_INIT; |
241 | static xmutex_t preadwritelock = X_MUTEX_INIT; |
233 | #endif |
242 | #endif |
234 | |
243 | |
235 | typedef struct etp_worker |
244 | typedef 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 | |
819 | static int |
826 | static int |
820 | eio__utimes (const char *filename, const struct timeval times[2]) |
827 | eio__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 | |
835 | static int eio__futimes (int fd, const struct timeval tv[2]) |
849 | static 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 |
|
|
1408 | static intptr_t |
|
|
1409 | eio_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 | |
|
|
1420 | static void |
|
|
1421 | eio_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__mlockall(a) ((errno = ENOSYS), -1) |
|
|
1437 | #else |
|
|
1438 | |
|
|
1439 | static int |
|
|
1440 | eio__mlockall (int flags) |
|
|
1441 | { |
|
|
1442 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1443 | extern int mallopt (int, int); |
|
|
1444 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1445 | #endif |
|
|
1446 | |
|
|
1447 | if (EIO_MCL_CURRENT != MCL_CURRENT |
|
|
1448 | || EIO_MCL_FUTURE != MCL_FUTURE) |
|
|
1449 | { |
|
|
1450 | flags = 0 |
|
|
1451 | | (flags & EIO_MCL_CURRENT ? MCL_CURRENT : 0) |
|
|
1452 | | (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0); |
|
|
1453 | } |
|
|
1454 | |
|
|
1455 | return mlockall (flags); |
|
|
1456 | } |
|
|
1457 | #endif |
|
|
1458 | |
|
|
1459 | #if !_POSIX_MEMLOCK_RANGE |
|
|
1460 | # define eio__mlock(a,b) ((errno = ENOSYS), -1) |
|
|
1461 | #else |
|
|
1462 | |
|
|
1463 | static int |
|
|
1464 | eio__mlock (void *addr, size_t length) |
|
|
1465 | { |
|
|
1466 | eio_page_align (&addr, &length); |
|
|
1467 | |
|
|
1468 | return mlock (addr, length); |
|
|
1469 | } |
|
|
1470 | |
|
|
1471 | #endif |
|
|
1472 | |
1357 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1473 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1358 | # undef msync |
|
|
1359 | # define msync(a,b,c) ((errno = ENOSYS), -1) |
1474 | # define eio__msync(a,b,c) ((errno = ENOSYS), -1) |
|
|
1475 | #else |
|
|
1476 | |
|
|
1477 | int |
|
|
1478 | eio__msync (void *mem, size_t len, int flags) |
|
|
1479 | { |
|
|
1480 | eio_page_align (&mem, &len); |
|
|
1481 | |
|
|
1482 | if (EIO_MS_ASYNC != MS_SYNC |
|
|
1483 | || EIO_MS_INVALIDATE != MS_INVALIDATE |
|
|
1484 | || EIO_MS_SYNC != MS_SYNC) |
|
|
1485 | { |
|
|
1486 | flags = 0 |
|
|
1487 | | (flags & EIO_MS_ASYNC ? MS_ASYNC : 0) |
|
|
1488 | | (flags & EIO_MS_INVALIDATE ? MS_INVALIDATE : 0) |
|
|
1489 | | (flags & EIO_MS_SYNC ? MS_SYNC : 0); |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | return msync (mem, len, flags); |
|
|
1493 | } |
|
|
1494 | |
1360 | #endif |
1495 | #endif |
1361 | |
1496 | |
1362 | int |
1497 | int |
1363 | eio__mtouch (void *mem, size_t len, int flags) |
1498 | eio__mtouch (void *mem, size_t len, int flags) |
1364 | { |
1499 | { |
|
|
1500 | eio_page_align (&mem, &len); |
|
|
1501 | |
|
|
1502 | { |
1365 | intptr_t addr = (intptr_t)mem; |
1503 | intptr_t addr = (intptr_t)mem; |
1366 | intptr_t end = addr + len; |
1504 | intptr_t end = addr + len; |
1367 | #ifdef PAGESIZE |
1505 | intptr_t page = eio_pagesize (); |
1368 | const intptr_t page = PAGESIZE; |
|
|
1369 | #else |
|
|
1370 | static intptr_t page; |
|
|
1371 | |
1506 | |
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) |
1507 | if (addr < end) |
1379 | if (flags) /* modify */ |
1508 | if (flags & EIO_MT_MODIFY) /* modify */ |
1380 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); |
1509 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); |
1381 | else |
1510 | else |
1382 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); |
1511 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); |
|
|
1512 | } |
1383 | |
1513 | |
1384 | return 0; |
1514 | return 0; |
1385 | } |
1515 | } |
1386 | |
1516 | |
1387 | /*****************************************************************************/ |
1517 | /*****************************************************************************/ |
… | |
… | |
1510 | return 0; \ |
1640 | return 0; \ |
1511 | } |
1641 | } |
1512 | |
1642 | |
1513 | static void eio_execute (etp_worker *self, eio_req *req) |
1643 | static void eio_execute (etp_worker *self, eio_req *req) |
1514 | { |
1644 | { |
1515 | errno = 0; |
|
|
1516 | |
|
|
1517 | switch (req->type) |
1645 | switch (req->type) |
1518 | { |
1646 | { |
1519 | case EIO_READ: ALLOC (req->size); |
1647 | case EIO_READ: ALLOC (req->size); |
1520 | req->result = req->offs >= 0 |
1648 | req->result = req->offs >= 0 |
1521 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
1649 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
… | |
… | |
1532 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1660 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1533 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1661 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1534 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1662 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1535 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1663 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1536 | |
1664 | |
|
|
1665 | case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); |
|
|
1666 | req->result = statvfs (req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break; |
|
|
1667 | case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); |
|
|
1668 | req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break; |
|
|
1669 | |
1537 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
1670 | 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; |
1671 | 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; |
1672 | 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; |
1673 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
1541 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
1674 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
… | |
… | |
1548 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
1681 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
1549 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
1682 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
1550 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1683 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1551 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1684 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1552 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
1685 | 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; |
1686 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
1554 | |
1687 | |
1555 | case EIO_READLINK: ALLOC (NAME_MAX); |
1688 | case EIO_READLINK: ALLOC (PATH_MAX); |
1556 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
1689 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
1557 | |
1690 | |
1558 | case EIO_SYNC: req->result = 0; sync (); break; |
1691 | case EIO_SYNC: req->result = 0; sync (); break; |
1559 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1692 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1560 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1693 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1561 | case EIO_MSYNC: req->result = msync (req->ptr2, req->size, req->int1); break; |
1694 | 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; |
1695 | case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; |
|
|
1696 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
|
|
1697 | 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; |
1698 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
1564 | |
1699 | |
1565 | case EIO_READDIR: eio__scandir (req, self); break; |
1700 | case EIO_READDIR: eio__scandir (req, self); break; |
1566 | |
1701 | |
1567 | case EIO_BUSY: |
1702 | case EIO_BUSY: |
1568 | #ifdef _WIN32 |
1703 | #ifdef _WIN32 |
1569 | Sleep (req->nv1 * 1000.); |
1704 | Sleep (req->nv1 * 1e3); |
1570 | #else |
1705 | #else |
1571 | { |
1706 | { |
1572 | struct timeval tv; |
1707 | struct timeval tv; |
1573 | |
1708 | |
1574 | tv.tv_sec = req->nv1; |
1709 | tv.tv_sec = req->nv1; |
1575 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
1710 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1e6; |
1576 | |
1711 | |
1577 | req->result = select (0, 0, 0, 0, &tv); |
1712 | req->result = select (0, 0, 0, 0, &tv); |
1578 | } |
1713 | } |
1579 | #endif |
1714 | #endif |
1580 | break; |
1715 | break; |
… | |
… | |
1595 | times = tv; |
1730 | times = tv; |
1596 | } |
1731 | } |
1597 | else |
1732 | else |
1598 | times = 0; |
1733 | times = 0; |
1599 | |
1734 | |
1600 | |
|
|
1601 | req->result = req->type == EIO_FUTIME |
1735 | req->result = req->type == EIO_FUTIME |
1602 | ? futimes (req->int1, times) |
1736 | ? futimes (req->int1, times) |
1603 | : utimes (req->ptr1, times); |
1737 | : utimes (req->ptr1, times); |
1604 | } |
1738 | } |
1605 | break; |
1739 | break; |
… | |
… | |
1614 | case EIO_CUSTOM: |
1748 | case EIO_CUSTOM: |
1615 | ((void (*)(eio_req *))req->feed) (req); |
1749 | ((void (*)(eio_req *))req->feed) (req); |
1616 | break; |
1750 | break; |
1617 | |
1751 | |
1618 | default: |
1752 | default: |
|
|
1753 | errno = ENOSYS; |
1619 | req->result = -1; |
1754 | req->result = -1; |
1620 | break; |
1755 | break; |
1621 | } |
1756 | } |
1622 | |
1757 | |
1623 | req->errorno = errno; |
1758 | req->errorno = errno; |
… | |
… | |
1653 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
1788 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
1654 | { |
1789 | { |
1655 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1790 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1656 | } |
1791 | } |
1657 | |
1792 | |
|
|
1793 | eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data) |
|
|
1794 | { |
|
|
1795 | REQ (EIO_MLOCK); req->ptr2 = addr; req->size = length; SEND; |
|
|
1796 | } |
|
|
1797 | |
|
|
1798 | eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data) |
|
|
1799 | { |
|
|
1800 | REQ (EIO_MLOCKALL); req->int1 = flags; SEND; |
|
|
1801 | } |
|
|
1802 | |
1658 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
1803 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
1659 | { |
1804 | { |
1660 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
1805 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
1661 | } |
1806 | } |
1662 | |
1807 | |
… | |
… | |
1686 | } |
1831 | } |
1687 | |
1832 | |
1688 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
1833 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
1689 | { |
1834 | { |
1690 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
1835 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
|
|
1836 | } |
|
|
1837 | |
|
|
1838 | eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data) |
|
|
1839 | { |
|
|
1840 | REQ (EIO_FSTATVFS); req->int1 = fd; SEND; |
1691 | } |
1841 | } |
1692 | |
1842 | |
1693 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
1843 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
1694 | { |
1844 | { |
1695 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
1845 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
… | |
… | |
1769 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
1919 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
1770 | { |
1920 | { |
1771 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
1921 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
1772 | } |
1922 | } |
1773 | |
1923 | |
|
|
1924 | eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data) |
|
|
1925 | { |
|
|
1926 | return eio__1path (EIO_STATVFS, path, pri, cb, data); |
|
|
1927 | } |
|
|
1928 | |
1774 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
1929 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
1775 | { |
1930 | { |
1776 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
1931 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
1777 | } |
1932 | } |
1778 | |
1933 | |
… | |
… | |
1786 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1941 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1787 | } |
1942 | } |
1788 | |
1943 | |
1789 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1944 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1790 | { |
1945 | { |
1791 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
1946 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->offs = (off_t)dev; SEND; |
1792 | } |
1947 | } |
1793 | |
1948 | |
1794 | static eio_req * |
1949 | static eio_req * |
1795 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1950 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1796 | { |
1951 | { |