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 <unistd.h> |
88 | # include <unistd.h> |
80 | # include <utime.h> |
89 | # include <utime.h> |
81 | # include <signal.h> |
90 | # include <signal.h> |
82 | # include <dirent.h> |
91 | # include <dirent.h> |
83 | |
92 | |
84 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
93 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
85 | # include <sys/mman.h> |
94 | # include <sys/mman.h> |
86 | #endif |
95 | #endif |
87 | |
96 | |
88 | /* 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 */ |
89 | # if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
98 | # if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
… | |
… | |
132 | #endif |
141 | #endif |
133 | #ifndef D_NAMLEN |
142 | #ifndef D_NAMLEN |
134 | # define D_NAMLEN(de) strlen ((de)->d_name) |
143 | # define D_NAMLEN(de) strlen ((de)->d_name) |
135 | #endif |
144 | #endif |
136 | |
145 | |
137 | /* number of seconds after which an idle threads exit */ |
|
|
138 | #define IDLE_TIMEOUT 10 |
|
|
139 | |
|
|
140 | /* used for struct dirent, AIX doesn't provide it */ |
146 | /* used for struct dirent, AIX doesn't provide it */ |
141 | #ifndef NAME_MAX |
147 | #ifndef NAME_MAX |
142 | # define NAME_MAX 4096 |
148 | # define NAME_MAX 4096 |
143 | #endif |
149 | #endif |
144 | |
150 | |
… | |
… | |
223 | static unsigned int max_poll_reqs; /* reslock */ |
229 | static unsigned int max_poll_reqs; /* reslock */ |
224 | |
230 | |
225 | static volatile unsigned int nreqs; /* reqlock */ |
231 | static volatile unsigned int nreqs; /* reqlock */ |
226 | static volatile unsigned int nready; /* reqlock */ |
232 | static volatile unsigned int nready; /* reqlock */ |
227 | static volatile unsigned int npending; /* reqlock */ |
233 | static volatile unsigned int npending; /* reqlock */ |
228 | static volatile unsigned int max_idle = 4; |
234 | static volatile unsigned int max_idle = 4; /* maximum number of threads that can idle indefinitely */ |
|
|
235 | static volatile unsigned int idle_timeout = 10; /* number of seconds after which an idle threads exit */ |
229 | |
236 | |
230 | static xmutex_t wrklock = X_MUTEX_INIT; |
237 | static xmutex_t wrklock; |
231 | static xmutex_t reslock = X_MUTEX_INIT; |
238 | static xmutex_t reslock; |
232 | static xmutex_t reqlock = X_MUTEX_INIT; |
239 | static xmutex_t reqlock; |
233 | static xcond_t reqwait = X_COND_INIT; |
240 | static xcond_t reqwait; |
234 | |
241 | |
235 | #if !HAVE_PREADWRITE |
242 | #if !HAVE_PREADWRITE |
236 | /* |
243 | /* |
237 | * make our pread/pwrite emulation safe against themselves, but not against |
244 | * make our pread/pwrite emulation safe against themselves, but not against |
238 | * 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, |
… | |
… | |
368 | } |
375 | } |
369 | |
376 | |
370 | abort (); |
377 | abort (); |
371 | } |
378 | } |
372 | |
379 | |
|
|
380 | static 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 | |
373 | static void etp_atfork_prepare (void) |
388 | static void etp_atfork_prepare (void) |
374 | { |
389 | { |
375 | X_LOCK (wrklock); |
390 | X_LOCK (wrklock); |
376 | X_LOCK (reqlock); |
391 | X_LOCK (reqlock); |
377 | X_LOCK (reslock); |
392 | X_LOCK (reslock); |
… | |
… | |
415 | idle = 0; |
430 | idle = 0; |
416 | nreqs = 0; |
431 | nreqs = 0; |
417 | nready = 0; |
432 | nready = 0; |
418 | npending = 0; |
433 | npending = 0; |
419 | |
434 | |
420 | etp_atfork_parent (); |
435 | etp_thread_init (); |
421 | } |
436 | } |
422 | |
437 | |
423 | static void |
438 | static void |
424 | etp_once_init (void) |
439 | etp_once_init (void) |
425 | { |
440 | { |
|
|
441 | etp_thread_init (); |
426 | 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); |
427 | } |
443 | } |
428 | |
444 | |
429 | static int |
445 | static int |
430 | etp_init (void (*want_poll)(void), void (*done_poll)(void)) |
446 | etp_init (void (*want_poll)(void), void (*done_poll)(void)) |
… | |
… | |
621 | } |
637 | } |
622 | |
638 | |
623 | static void etp_set_max_idle (unsigned int nthreads) |
639 | static void etp_set_max_idle (unsigned int nthreads) |
624 | { |
640 | { |
625 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
641 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
626 | max_idle = nthreads <= 0 ? 1 : nthreads; |
642 | max_idle = nthreads; |
|
|
643 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
644 | } |
|
|
645 | |
|
|
646 | static void etp_set_idle_timeout (unsigned int seconds) |
|
|
647 | { |
|
|
648 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
649 | idle_timeout = seconds; |
627 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
650 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
628 | } |
651 | } |
629 | |
652 | |
630 | static void etp_set_min_parallel (unsigned int nthreads) |
653 | static void etp_set_min_parallel (unsigned int nthreads) |
631 | { |
654 | { |
… | |
… | |
759 | void eio_set_max_idle (unsigned int nthreads) |
782 | void eio_set_max_idle (unsigned int nthreads) |
760 | { |
783 | { |
761 | etp_set_max_idle (nthreads); |
784 | etp_set_max_idle (nthreads); |
762 | } |
785 | } |
763 | |
786 | |
|
|
787 | void eio_set_idle_timeout (unsigned int seconds) |
|
|
788 | { |
|
|
789 | etp_set_idle_timeout (seconds); |
|
|
790 | } |
|
|
791 | |
764 | void eio_set_min_parallel (unsigned int nthreads) |
792 | void eio_set_min_parallel (unsigned int nthreads) |
765 | { |
793 | { |
766 | etp_set_min_parallel (nthreads); |
794 | etp_set_min_parallel (nthreads); |
767 | } |
795 | } |
768 | |
796 | |
… | |
… | |
816 | |
844 | |
817 | return res; |
845 | return res; |
818 | } |
846 | } |
819 | #endif |
847 | #endif |
820 | |
848 | |
821 | #ifndef HAVE_FUTIMES |
849 | #ifndef HAVE_UTIMES |
822 | |
850 | |
823 | # undef utimes |
851 | # undef utimes |
824 | # undef futimes |
|
|
825 | # define utimes(path,times) eio__utimes (path, times) |
852 | # define utimes(path,times) eio__utimes (path, times) |
826 | # define futimes(fd,times) eio__futimes (fd, times) |
|
|
827 | |
853 | |
828 | static int |
854 | static int |
829 | eio__utimes (const char *filename, const struct timeval times[2]) |
855 | eio__utimes (const char *filename, const struct timeval times[2]) |
830 | { |
856 | { |
831 | if (times) |
857 | if (times) |
… | |
… | |
838 | return utime (filename, &buf); |
864 | return utime (filename, &buf); |
839 | } |
865 | } |
840 | else |
866 | else |
841 | return utime (filename, 0); |
867 | return utime (filename, 0); |
842 | } |
868 | } |
|
|
869 | |
|
|
870 | #endif |
|
|
871 | |
|
|
872 | #ifndef HAVE_FUTIMES |
|
|
873 | |
|
|
874 | # undef futimes |
|
|
875 | # define futimes(fd,times) eio__futimes (fd, times) |
843 | |
876 | |
844 | static int eio__futimes (int fd, const struct timeval tv[2]) |
877 | static int eio__futimes (int fd, const struct timeval tv[2]) |
845 | { |
878 | { |
846 | errno = ENOSYS; |
879 | errno = ENOSYS; |
847 | return -1; |
880 | return -1; |
… | |
… | |
1036 | } |
1069 | } |
1037 | |
1070 | |
1038 | static signed char |
1071 | static signed char |
1039 | eio_dent_cmp (const eio_dirent *a, const eio_dirent *b) |
1072 | eio_dent_cmp (const eio_dirent *a, const eio_dirent *b) |
1040 | { |
1073 | { |
1041 | 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 */ |
1042 | : 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; |
1043 | } |
1078 | } |
1044 | |
1079 | |
1045 | #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 |
1046 | |
1081 | |
1047 | #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 */ |
… | |
… | |
1053 | unsigned char bits [9 + sizeof (ino_t) * 8]; |
1088 | unsigned char bits [9 + sizeof (ino_t) * 8]; |
1054 | unsigned char *bit = bits; |
1089 | unsigned char *bit = bits; |
1055 | |
1090 | |
1056 | assert (CHAR_BIT == 8); |
1091 | assert (CHAR_BIT == 8); |
1057 | assert (sizeof (eio_dirent) * 8 < 256); |
1092 | assert (sizeof (eio_dirent) * 8 < 256); |
1058 | assert (offsetof (eio_dirent, inode)); /* we use 0 as sentinel */ |
1093 | assert (offsetof (eio_dirent, inode)); /* we use bit #0 as sentinel */ |
1059 | assert (offsetof (eio_dirent, score)); /* we use 0 as sentinel */ |
1094 | assert (offsetof (eio_dirent, score)); /* we use bit #0 as sentinel */ |
1060 | |
1095 | |
1061 | if (size <= EIO_SORT_FAST) |
1096 | if (size <= EIO_SORT_FAST) |
1062 | return; |
1097 | return; |
1063 | |
1098 | |
1064 | /* 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 */ |
… | |
… | |
1219 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
1254 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
1220 | |
1255 | |
1221 | X_LOCK (wrklock); |
1256 | X_LOCK (wrklock); |
1222 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1257 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1223 | self->dirp = dirp = opendir (req->ptr1); |
1258 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1259 | |
1224 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
1260 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
1225 | req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
1261 | req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
1226 | req->ptr2 = names = malloc (namesalloc); |
1262 | req->ptr2 = names = malloc (namesalloc); |
1227 | X_UNLOCK (wrklock); |
1263 | X_UNLOCK (wrklock); |
1228 | |
1264 | |
… | |
… | |
1240 | /* sort etc. */ |
1276 | /* sort etc. */ |
1241 | req->int1 = flags; |
1277 | req->int1 = flags; |
1242 | req->result = dentoffs; |
1278 | req->result = dentoffs; |
1243 | |
1279 | |
1244 | if (flags & EIO_READDIR_STAT_ORDER) |
1280 | if (flags & EIO_READDIR_STAT_ORDER) |
1245 | 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); |
1246 | else if (flags & EIO_READDIR_DIRS_FIRST) |
1282 | else if (flags & EIO_READDIR_DIRS_FIRST) |
1247 | if (flags & EIO_READDIR_FOUND_UNKNOWN) |
1283 | if (flags & EIO_READDIR_FOUND_UNKNOWN) |
1248 | 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 */ |
1249 | else |
1285 | else |
1250 | { |
1286 | { |
… | |
… | |
1252 | eio_dirent *oth = dents + dentoffs; |
1288 | eio_dirent *oth = dents + dentoffs; |
1253 | eio_dirent *dir = dents; |
1289 | eio_dirent *dir = dents; |
1254 | |
1290 | |
1255 | /* 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 */ |
1256 | /* by walking from both sides and swapping if necessary */ |
1292 | /* by walking from both sides and swapping if necessary */ |
1257 | /* also clear score, so it doesn't influence sorting */ |
|
|
1258 | while (oth > dir) |
1293 | while (oth > dir) |
1259 | { |
1294 | { |
1260 | if (dir->type == EIO_DT_DIR) |
1295 | if (dir->type == EIO_DT_DIR) |
1261 | ++dir; |
1296 | ++dir; |
1262 | else if ((--oth)->type == EIO_DT_DIR) |
1297 | else if ((--oth)->type == EIO_DT_DIR) |
… | |
… | |
1265 | |
1300 | |
1266 | ++dir; |
1301 | ++dir; |
1267 | } |
1302 | } |
1268 | } |
1303 | } |
1269 | |
1304 | |
1270 | /* now sort the dirs only */ |
1305 | /* now sort the dirs only (dirs all have the same score) */ |
1271 | eio_dent_sort (dents, dir - dents, 0, inode_bits); |
1306 | eio_dent_sort (dents, dir - dents, 0, inode_bits); |
1272 | } |
1307 | } |
1273 | |
1308 | |
1274 | break; |
1309 | break; |
1275 | } |
1310 | } |
… | |
… | |
1426 | /* round up length */ |
1461 | /* round up length */ |
1427 | *length = (*length + mask) & ~mask; |
1462 | *length = (*length + mask) & ~mask; |
1428 | } |
1463 | } |
1429 | |
1464 | |
1430 | #if !_POSIX_MEMLOCK |
1465 | #if !_POSIX_MEMLOCK |
1431 | # define eio__mlock(a,b) ((errno = ENOSYS), -1) |
|
|
1432 | # define eio__mlockall(a) ((errno = ENOSYS), -1) |
1466 | # define eio__mlockall(a) ((errno = ENOSYS), -1) |
1433 | #else |
1467 | #else |
1434 | |
|
|
1435 | static int |
|
|
1436 | eio__mlock (void *addr, size_t length) |
|
|
1437 | { |
|
|
1438 | eio_page_align (&addr, &length); |
|
|
1439 | |
|
|
1440 | return mlock (addr, length); |
|
|
1441 | } |
|
|
1442 | |
1468 | |
1443 | static int |
1469 | static int |
1444 | eio__mlockall (int flags) |
1470 | eio__mlockall (int flags) |
1445 | { |
1471 | { |
1446 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
1472 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
… | |
… | |
1456 | | (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0); |
1482 | | (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0); |
1457 | } |
1483 | } |
1458 | |
1484 | |
1459 | return mlockall (flags); |
1485 | return mlockall (flags); |
1460 | } |
1486 | } |
|
|
1487 | #endif |
|
|
1488 | |
|
|
1489 | #if !_POSIX_MEMLOCK_RANGE |
|
|
1490 | # define eio__mlock(a,b) ((errno = ENOSYS), -1) |
|
|
1491 | #else |
|
|
1492 | |
|
|
1493 | static int |
|
|
1494 | eio__mlock (void *addr, size_t length) |
|
|
1495 | { |
|
|
1496 | eio_page_align (&addr, &length); |
|
|
1497 | |
|
|
1498 | return mlock (addr, length); |
|
|
1499 | } |
|
|
1500 | |
1461 | #endif |
1501 | #endif |
1462 | |
1502 | |
1463 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1503 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1464 | # define eio__msync(a,b,c) ((errno = ENOSYS), -1) |
1504 | # define eio__msync(a,b,c) ((errno = ENOSYS), -1) |
1465 | #else |
1505 | #else |
… | |
… | |
1483 | } |
1523 | } |
1484 | |
1524 | |
1485 | #endif |
1525 | #endif |
1486 | |
1526 | |
1487 | int |
1527 | int |
1488 | eio__mtouch (void *mem, size_t len, int flags) |
1528 | eio__mtouch (eio_req *req) |
1489 | { |
1529 | { |
|
|
1530 | void *mem = req->ptr2; |
|
|
1531 | size_t len = req->size; |
|
|
1532 | int flags = req->int1; |
|
|
1533 | |
1490 | eio_page_align (&mem, &len); |
1534 | eio_page_align (&mem, &len); |
1491 | |
1535 | |
1492 | { |
1536 | { |
1493 | intptr_t addr = (intptr_t)mem; |
1537 | intptr_t addr = (intptr_t)mem; |
1494 | intptr_t end = addr + len; |
1538 | intptr_t end = addr + len; |
1495 | intptr_t page = eio_pagesize (); |
1539 | intptr_t page = eio_pagesize (); |
1496 | |
1540 | |
1497 | if (addr < end) |
1541 | if (addr < end) |
1498 | if (flags & EIO_MT_MODIFY) /* modify */ |
1542 | if (flags & EIO_MT_MODIFY) /* modify */ |
1499 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); |
1543 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len && !EIO_CANCELLED (req)); |
1500 | else |
1544 | else |
1501 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); |
1545 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len && !EIO_CANCELLED (req)); |
1502 | } |
1546 | } |
1503 | |
1547 | |
1504 | return 0; |
1548 | return 0; |
1505 | } |
1549 | } |
1506 | |
1550 | |
… | |
… | |
1541 | if (req) |
1585 | if (req) |
1542 | break; |
1586 | break; |
1543 | |
1587 | |
1544 | ++idle; |
1588 | ++idle; |
1545 | |
1589 | |
1546 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1590 | ts.tv_sec = time (0) + idle_timeout; |
1547 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) |
1591 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) |
1548 | { |
1592 | { |
1549 | if (idle > max_idle) |
1593 | if (idle > max_idle) |
1550 | { |
1594 | { |
1551 | --idle; |
1595 | --idle; |
… | |
… | |
1671 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
1715 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
1672 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
1716 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
1673 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1717 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1674 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1718 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1675 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
1719 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
1676 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->int3); break; |
1720 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
1677 | |
1721 | |
1678 | case EIO_READLINK: ALLOC (PATH_MAX); |
1722 | case EIO_READLINK: ALLOC (PATH_MAX); |
1679 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
1723 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
1680 | |
1724 | |
1681 | case EIO_SYNC: req->result = 0; sync (); break; |
1725 | case EIO_SYNC: req->result = 0; sync (); break; |
1682 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1726 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1683 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1727 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1684 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
1728 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
1685 | case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; |
1729 | case EIO_MTOUCH: req->result = eio__mtouch (req); break; |
1686 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
1730 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
1687 | case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; |
1731 | case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; |
1688 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
1732 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
1689 | |
1733 | |
1690 | case EIO_READDIR: eio__scandir (req, self); break; |
1734 | case EIO_READDIR: eio__scandir (req, self); break; |
… | |
… | |
1931 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1975 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1932 | } |
1976 | } |
1933 | |
1977 | |
1934 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1978 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1935 | { |
1979 | { |
1936 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
1980 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->offs = (off_t)dev; SEND; |
1937 | } |
1981 | } |
1938 | |
1982 | |
1939 | static eio_req * |
1983 | static eio_req * |
1940 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1984 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1941 | { |
1985 | { |