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 | * |
… | |
… | |
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 |
… | |
… | |
49 | #include <stdlib.h> |
53 | #include <stdlib.h> |
50 | #include <string.h> |
54 | #include <string.h> |
51 | #include <errno.h> |
55 | #include <errno.h> |
52 | #include <sys/types.h> |
56 | #include <sys/types.h> |
53 | #include <sys/stat.h> |
57 | #include <sys/stat.h> |
|
|
58 | #include <sys/statvfs.h> |
54 | #include <limits.h> |
59 | #include <limits.h> |
55 | #include <fcntl.h> |
60 | #include <fcntl.h> |
56 | #include <assert.h> |
61 | #include <assert.h> |
57 | |
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 | |
58 | #ifndef EIO_FINISH |
69 | #ifndef EIO_FINISH |
59 | # 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 |
60 | #endif |
71 | #endif |
61 | |
72 | |
62 | #ifndef EIO_DESTROY |
73 | #ifndef EIO_DESTROY |
… | |
… | |
70 | #ifdef _WIN32 |
81 | #ifdef _WIN32 |
71 | |
82 | |
72 | /*doh*/ |
83 | /*doh*/ |
73 | #else |
84 | #else |
74 | |
85 | |
75 | # include "config.h" |
|
|
76 | # include <sys/time.h> |
86 | # include <sys/time.h> |
77 | # include <sys/select.h> |
87 | # include <sys/select.h> |
78 | # include <sys/mman.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 | |
|
|
93 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
|
|
94 | # include <sys/mman.h> |
|
|
95 | #endif |
|
|
96 | |
84 | /* 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 */ |
85 | # if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) |
98 | # if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
86 | # define _DIRENT_HAVE_D_TYPE /* sigh */ |
99 | # define _DIRENT_HAVE_D_TYPE /* sigh */ |
87 | # define D_INO(de) (de)->d_fileno |
100 | # define D_INO(de) (de)->d_fileno |
88 | # define D_NAMLEN(de) (de)->d_namlen |
101 | # define D_NAMLEN(de) (de)->d_namlen |
89 | # elif defined(__linux) || defined(d_ino) || _XOPEN_SOURCE >= 600 |
102 | # elif __linux || defined d_ino || _XOPEN_SOURCE >= 600 |
90 | # define D_INO(de) (de)->d_ino |
103 | # define D_INO(de) (de)->d_ino |
91 | # endif |
104 | # endif |
92 | |
105 | |
93 | #ifdef _D_EXACT_NAMLEN |
106 | #ifdef _D_EXACT_NAMLEN |
94 | # undef D_NAMLEN |
107 | # undef D_NAMLEN |
… | |
… | |
106 | #endif |
119 | #endif |
107 | |
120 | |
108 | #if HAVE_SENDFILE |
121 | #if HAVE_SENDFILE |
109 | # if __linux |
122 | # if __linux |
110 | # include <sys/sendfile.h> |
123 | # include <sys/sendfile.h> |
111 | # elif __freebsd |
124 | # elif __FreeBSD__ || defined __APPLE__ |
112 | # include <sys/socket.h> |
125 | # include <sys/socket.h> |
113 | # include <sys/uio.h> |
126 | # include <sys/uio.h> |
114 | # elif __hpux |
127 | # elif __hpux |
115 | # include <sys/socket.h> |
128 | # include <sys/socket.h> |
116 | # elif __solaris /* not yet */ |
129 | # elif __solaris |
117 | # include <sys/sendfile.h> |
130 | # include <sys/sendfile.h> |
118 | # else |
131 | # else |
119 | # error sendfile support requested but not available |
132 | # error sendfile support requested but not available |
120 | # endif |
133 | # endif |
121 | #endif |
134 | #endif |
… | |
… | |
128 | #endif |
141 | #endif |
129 | #ifndef D_NAMLEN |
142 | #ifndef D_NAMLEN |
130 | # define D_NAMLEN(de) strlen ((de)->d_name) |
143 | # define D_NAMLEN(de) strlen ((de)->d_name) |
131 | #endif |
144 | #endif |
132 | |
145 | |
133 | /* number of seconds after which an idle threads exit */ |
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|
134 | #define IDLE_TIMEOUT 10 |
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|
135 | |
|
|
136 | /* used for struct dirent, AIX doesn't provide it */ |
146 | /* used for struct dirent, AIX doesn't provide it */ |
137 | #ifndef NAME_MAX |
147 | #ifndef NAME_MAX |
138 | # define NAME_MAX 4096 |
148 | # define NAME_MAX 4096 |
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|
149 | #endif |
|
|
150 | |
|
|
151 | /* used for readlink etc. */ |
|
|
152 | #ifndef PATH_MAX |
|
|
153 | # define PATH_MAX 4096 |
139 | #endif |
154 | #endif |
140 | |
155 | |
141 | /* buffer size for various temporary buffers */ |
156 | /* buffer size for various temporary buffers */ |
142 | #define EIO_BUFSIZE 65536 |
157 | #define EIO_BUFSIZE 65536 |
143 | |
158 | |
… | |
… | |
214 | static unsigned int max_poll_reqs; /* reslock */ |
229 | static unsigned int max_poll_reqs; /* reslock */ |
215 | |
230 | |
216 | static volatile unsigned int nreqs; /* reqlock */ |
231 | static volatile unsigned int nreqs; /* reqlock */ |
217 | static volatile unsigned int nready; /* reqlock */ |
232 | static volatile unsigned int nready; /* reqlock */ |
218 | static volatile unsigned int npending; /* reqlock */ |
233 | static volatile unsigned int npending; /* reqlock */ |
219 | 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 */ |
220 | |
236 | |
221 | static mutex_t wrklock = X_MUTEX_INIT; |
237 | static xmutex_t wrklock; |
222 | static mutex_t reslock = X_MUTEX_INIT; |
238 | static xmutex_t reslock; |
223 | static mutex_t reqlock = X_MUTEX_INIT; |
239 | static xmutex_t reqlock; |
224 | static cond_t reqwait = X_COND_INIT; |
240 | static xcond_t reqwait; |
225 | |
241 | |
226 | #if !HAVE_PREADWRITE |
242 | #if !HAVE_PREADWRITE |
227 | /* |
243 | /* |
228 | * make our pread/pwrite emulation safe against themselves, but not against |
244 | * make our pread/pwrite emulation safe against themselves, but not against |
229 | * 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, |
230 | * but that's your problem, not mine. |
246 | * but that's your problem, not mine. |
231 | */ |
247 | */ |
232 | static mutex_t preadwritelock = X_MUTEX_INIT; |
248 | static xmutex_t preadwritelock = X_MUTEX_INIT; |
233 | #endif |
249 | #endif |
234 | |
250 | |
235 | typedef struct etp_worker |
251 | typedef struct etp_worker |
236 | { |
252 | { |
237 | /* locked by wrklock */ |
253 | /* locked by wrklock */ |
238 | struct etp_worker *prev, *next; |
254 | struct etp_worker *prev, *next; |
239 | |
255 | |
240 | thread_t tid; |
256 | xthread_t tid; |
241 | |
257 | |
242 | /* locked by reslock, reqlock or wrklock */ |
258 | /* locked by reslock, reqlock or wrklock */ |
243 | ETP_REQ *req; /* currently processed request */ |
259 | ETP_REQ *req; /* currently processed request */ |
244 | |
260 | |
245 | ETP_WORKER_COMMON |
261 | ETP_WORKER_COMMON |
… | |
… | |
359 | } |
375 | } |
360 | |
376 | |
361 | abort (); |
377 | abort (); |
362 | } |
378 | } |
363 | |
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 | |
364 | static void etp_atfork_prepare (void) |
388 | static void etp_atfork_prepare (void) |
365 | { |
389 | { |
366 | X_LOCK (wrklock); |
390 | X_LOCK (wrklock); |
367 | X_LOCK (reqlock); |
391 | X_LOCK (reqlock); |
368 | X_LOCK (reslock); |
392 | X_LOCK (reslock); |
… | |
… | |
406 | idle = 0; |
430 | idle = 0; |
407 | nreqs = 0; |
431 | nreqs = 0; |
408 | nready = 0; |
432 | nready = 0; |
409 | npending = 0; |
433 | npending = 0; |
410 | |
434 | |
411 | etp_atfork_parent (); |
435 | etp_thread_init (); |
412 | } |
436 | } |
413 | |
437 | |
414 | static void |
438 | static void |
415 | etp_once_init (void) |
439 | etp_once_init (void) |
416 | { |
440 | { |
|
|
441 | etp_thread_init (); |
417 | 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); |
418 | } |
443 | } |
419 | |
444 | |
420 | static int |
445 | static int |
421 | etp_init (void (*want_poll)(void), void (*done_poll)(void)) |
446 | etp_init (void (*want_poll)(void), void (*done_poll)(void)) |
… | |
… | |
612 | } |
637 | } |
613 | |
638 | |
614 | static void etp_set_max_idle (unsigned int nthreads) |
639 | static void etp_set_max_idle (unsigned int nthreads) |
615 | { |
640 | { |
616 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
641 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
617 | 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; |
618 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
650 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
619 | } |
651 | } |
620 | |
652 | |
621 | static void etp_set_min_parallel (unsigned int nthreads) |
653 | static void etp_set_min_parallel (unsigned int nthreads) |
622 | { |
654 | { |
… | |
… | |
750 | void eio_set_max_idle (unsigned int nthreads) |
782 | void eio_set_max_idle (unsigned int nthreads) |
751 | { |
783 | { |
752 | etp_set_max_idle (nthreads); |
784 | etp_set_max_idle (nthreads); |
753 | } |
785 | } |
754 | |
786 | |
|
|
787 | void eio_set_idle_timeout (unsigned int seconds) |
|
|
788 | { |
|
|
789 | etp_set_idle_timeout (seconds); |
|
|
790 | } |
|
|
791 | |
755 | void eio_set_min_parallel (unsigned int nthreads) |
792 | void eio_set_min_parallel (unsigned int nthreads) |
756 | { |
793 | { |
757 | etp_set_min_parallel (nthreads); |
794 | etp_set_min_parallel (nthreads); |
758 | } |
795 | } |
759 | |
796 | |
… | |
… | |
807 | |
844 | |
808 | return res; |
845 | return res; |
809 | } |
846 | } |
810 | #endif |
847 | #endif |
811 | |
848 | |
812 | #ifndef HAVE_FUTIMES |
849 | #ifndef HAVE_UTIMES |
813 | |
850 | |
814 | # undef utimes |
851 | # undef utimes |
815 | # undef futimes |
|
|
816 | # define utimes(path,times) eio__utimes (path, times) |
852 | # define utimes(path,times) eio__utimes (path, times) |
817 | # define futimes(fd,times) eio__futimes (fd, times) |
|
|
818 | |
853 | |
819 | static int |
854 | static int |
820 | eio__utimes (const char *filename, const struct timeval times[2]) |
855 | eio__utimes (const char *filename, const struct timeval times[2]) |
821 | { |
856 | { |
822 | if (times) |
857 | if (times) |
… | |
… | |
829 | return utime (filename, &buf); |
864 | return utime (filename, &buf); |
830 | } |
865 | } |
831 | else |
866 | else |
832 | return utime (filename, 0); |
867 | return utime (filename, 0); |
833 | } |
868 | } |
|
|
869 | |
|
|
870 | #endif |
|
|
871 | |
|
|
872 | #ifndef HAVE_FUTIMES |
|
|
873 | |
|
|
874 | # undef futimes |
|
|
875 | # define futimes(fd,times) eio__futimes (fd, times) |
834 | |
876 | |
835 | static int eio__futimes (int fd, const struct timeval tv[2]) |
877 | static int eio__futimes (int fd, const struct timeval tv[2]) |
836 | { |
878 | { |
837 | errno = ENOSYS; |
879 | errno = ENOSYS; |
838 | return -1; |
880 | return -1; |
… | |
… | |
900 | |
942 | |
901 | /* sendfile always needs emulation */ |
943 | /* sendfile always needs emulation */ |
902 | static ssize_t |
944 | static ssize_t |
903 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
945 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
904 | { |
946 | { |
|
|
947 | ssize_t written = 0; |
905 | ssize_t res; |
948 | ssize_t res; |
906 | |
949 | |
907 | if (!count) |
950 | if (!count) |
908 | return 0; |
951 | return 0; |
909 | |
952 | |
|
|
953 | for (;;) |
|
|
954 | { |
910 | #if HAVE_SENDFILE |
955 | #if HAVE_SENDFILE |
911 | # if __linux |
956 | # if __linux |
|
|
957 | off_t soffset = offset; |
912 | res = sendfile (ofd, ifd, &offset, count); |
958 | res = sendfile (ofd, ifd, &soffset, count); |
913 | |
959 | |
914 | # elif __freebsd |
960 | # elif __FreeBSD__ |
915 | /* |
961 | /* |
916 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
962 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
917 | * wasted on making it similar to other I/O functions. |
963 | * wasted on making it similar to other I/O functions. |
918 | */ |
964 | */ |
919 | { |
|
|
920 | off_t sbytes; |
965 | off_t sbytes; |
921 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
966 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
922 | |
967 | |
923 | if (res < 0 && sbytes) |
968 | #if 0 /* according to the manpage, this is correct, but broken behaviour */ |
924 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
969 | /* freebsd' sendfile will return 0 on success */ |
|
|
970 | /* freebsd 8 documents it as only setting *sbytes on EINTR and EAGAIN, but */ |
|
|
971 | /* not on e.g. EIO or EPIPE - sounds broken */ |
|
|
972 | if ((res < 0 && (errno == EAGAIN || errno == EINTR) && sbytes) || res == 0) |
925 | res = sbytes; |
973 | res = sbytes; |
926 | } |
974 | #endif |
|
|
975 | |
|
|
976 | /* according to source inspection, this is correct, and useful behaviour */ |
|
|
977 | if (sbytes) |
|
|
978 | res = sbytes; |
|
|
979 | |
|
|
980 | # elif defined (__APPLE__) |
|
|
981 | off_t sbytes = count; |
|
|
982 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
|
|
983 | |
|
|
984 | /* according to the manpage, sbytes is always valid */ |
|
|
985 | if (sbytes) |
|
|
986 | res = sbytes; |
927 | |
987 | |
928 | # elif __hpux |
988 | # elif __hpux |
929 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
989 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
930 | |
990 | |
931 | # elif __solaris |
991 | # elif __solaris |
932 | { |
|
|
933 | struct sendfilevec vec; |
992 | struct sendfilevec vec; |
934 | size_t sbytes; |
993 | size_t sbytes; |
935 | |
994 | |
936 | vec.sfv_fd = ifd; |
995 | vec.sfv_fd = ifd; |
937 | vec.sfv_flag = 0; |
996 | vec.sfv_flag = 0; |
938 | vec.sfv_off = offset; |
997 | vec.sfv_off = offset; |
939 | vec.sfv_len = count; |
998 | vec.sfv_len = count; |
940 | |
999 | |
941 | res = sendfilev (ofd, &vec, 1, &sbytes); |
1000 | res = sendfilev (ofd, &vec, 1, &sbytes); |
942 | |
1001 | |
943 | if (res < 0 && sbytes) |
1002 | if (res < 0 && sbytes) |
944 | res = sbytes; |
1003 | res = sbytes; |
945 | } |
|
|
946 | |
1004 | |
947 | # endif |
1005 | # endif |
|
|
1006 | |
|
|
1007 | #elif defined (_WIN32) |
|
|
1008 | /* does not work, just for documentation of what would need to be done */ |
|
|
1009 | /* actually, cannot be done like this, as TransmitFile changes the file offset, */ |
|
|
1010 | /* libeio guarantees that the file offset does not change, and windows */ |
|
|
1011 | /* has no way to get an independent handle to the same file description */ |
|
|
1012 | HANDLE h = TO_SOCKET (ifd); |
|
|
1013 | SetFilePointer (h, offset, 0, FILE_BEGIN); |
|
|
1014 | res = TransmitFile (TO_SOCKET (ofd), h, count, 0, 0, 0, 0); |
|
|
1015 | |
948 | #else |
1016 | #else |
949 | res = -1; |
1017 | res = -1; |
950 | errno = ENOSYS; |
1018 | errno = ENOSYS; |
951 | #endif |
1019 | #endif |
952 | |
1020 | |
|
|
1021 | /* we assume sendfile can copy at least 128mb in one go */ |
|
|
1022 | if (res <= 128 * 1024 * 1024) |
|
|
1023 | { |
|
|
1024 | if (res > 0) |
|
|
1025 | written += res; |
|
|
1026 | |
|
|
1027 | if (written) |
|
|
1028 | return written; |
|
|
1029 | |
|
|
1030 | break; |
|
|
1031 | } |
|
|
1032 | else |
|
|
1033 | { |
|
|
1034 | /* if we requested more, then probably the kernel was lazy */ |
|
|
1035 | written += res; |
|
|
1036 | offset += res; |
|
|
1037 | count -= res; |
|
|
1038 | |
|
|
1039 | if (!count) |
|
|
1040 | return written; |
|
|
1041 | } |
|
|
1042 | } |
|
|
1043 | |
953 | if (res < 0 |
1044 | if (res < 0 |
954 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
1045 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1046 | /* BSDs */ |
|
|
1047 | #ifdef ENOTSUP /* sigh, if the steenking pile called openbsd would only try to at least compile posix code... */ |
|
|
1048 | || errno == ENOTSUP |
|
|
1049 | #endif |
|
|
1050 | || errno == EOPNOTSUPP /* BSDs */ |
955 | #if __solaris |
1051 | #if __solaris |
956 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
1052 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
957 | #endif |
1053 | #endif |
958 | ) |
1054 | ) |
959 | ) |
1055 | ) |
… | |
… | |
993 | } |
1089 | } |
994 | |
1090 | |
995 | static signed char |
1091 | static signed char |
996 | eio_dent_cmp (const eio_dirent *a, const eio_dirent *b) |
1092 | eio_dent_cmp (const eio_dirent *a, const eio_dirent *b) |
997 | { |
1093 | { |
998 | return a->score - b->score ? a->score - b->score /* works because our signed char is always 0..100 */ |
1094 | return a->score - b->score ? a->score - b->score /* works because our signed char is always 0..100 */ |
999 | : a->inode < b->inode ? -1 : a->inode > b->inode ? 1 : 0; |
1095 | : a->inode < b->inode ? -1 |
|
|
1096 | : a->inode > b->inode ? 1 |
|
|
1097 | : 0; |
1000 | } |
1098 | } |
1001 | |
1099 | |
1002 | #define EIO_DENT_CMP(i,op,j) eio_dent_cmp (&i, &j) op 0 |
1100 | #define EIO_DENT_CMP(i,op,j) eio_dent_cmp (&i, &j) op 0 |
1003 | |
1101 | |
1004 | #define EIO_SORT_CUTOFF 30 /* quite high, but performs well on many filesystems */ |
1102 | #define EIO_SORT_CUTOFF 30 /* quite high, but performs well on many filesystems */ |
… | |
… | |
1010 | unsigned char bits [9 + sizeof (ino_t) * 8]; |
1108 | unsigned char bits [9 + sizeof (ino_t) * 8]; |
1011 | unsigned char *bit = bits; |
1109 | unsigned char *bit = bits; |
1012 | |
1110 | |
1013 | assert (CHAR_BIT == 8); |
1111 | assert (CHAR_BIT == 8); |
1014 | assert (sizeof (eio_dirent) * 8 < 256); |
1112 | assert (sizeof (eio_dirent) * 8 < 256); |
1015 | assert (offsetof (eio_dirent, inode)); /* we use 0 as sentinel */ |
1113 | assert (offsetof (eio_dirent, inode)); /* we use bit #0 as sentinel */ |
1016 | assert (offsetof (eio_dirent, score)); /* we use 0 as sentinel */ |
1114 | assert (offsetof (eio_dirent, score)); /* we use bit #0 as sentinel */ |
1017 | |
1115 | |
1018 | if (size <= EIO_SORT_FAST) |
1116 | if (size <= EIO_SORT_FAST) |
1019 | return; |
1117 | return; |
1020 | |
1118 | |
1021 | /* first prepare an array of bits to test in our radix sort */ |
1119 | /* first prepare an array of bits to test in our radix sort */ |
… | |
… | |
1176 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
1274 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
1177 | |
1275 | |
1178 | X_LOCK (wrklock); |
1276 | X_LOCK (wrklock); |
1179 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1277 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1180 | self->dirp = dirp = opendir (req->ptr1); |
1278 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1279 | |
1181 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
1280 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
1182 | req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
1281 | req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
1183 | req->ptr2 = names = malloc (namesalloc); |
1282 | req->ptr2 = names = malloc (namesalloc); |
1184 | X_UNLOCK (wrklock); |
1283 | X_UNLOCK (wrklock); |
1185 | |
1284 | |
… | |
… | |
1197 | /* sort etc. */ |
1296 | /* sort etc. */ |
1198 | req->int1 = flags; |
1297 | req->int1 = flags; |
1199 | req->result = dentoffs; |
1298 | req->result = dentoffs; |
1200 | |
1299 | |
1201 | if (flags & EIO_READDIR_STAT_ORDER) |
1300 | if (flags & EIO_READDIR_STAT_ORDER) |
1202 | eio_dent_sort (dents, dentoffs, 0, inode_bits); /* sort by inode exclusively */ |
1301 | eio_dent_sort (dents, dentoffs, flags & EIO_READDIR_DIRS_FIRST ? 7 : 0, inode_bits); |
1203 | else if (flags & EIO_READDIR_DIRS_FIRST) |
1302 | else if (flags & EIO_READDIR_DIRS_FIRST) |
1204 | if (flags & EIO_READDIR_FOUND_UNKNOWN) |
1303 | if (flags & EIO_READDIR_FOUND_UNKNOWN) |
1205 | eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */ |
1304 | eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */ |
1206 | else |
1305 | else |
1207 | { |
1306 | { |
… | |
… | |
1209 | eio_dirent *oth = dents + dentoffs; |
1308 | eio_dirent *oth = dents + dentoffs; |
1210 | eio_dirent *dir = dents; |
1309 | eio_dirent *dir = dents; |
1211 | |
1310 | |
1212 | /* now partition dirs to the front, and non-dirs to the back */ |
1311 | /* now partition dirs to the front, and non-dirs to the back */ |
1213 | /* by walking from both sides and swapping if necessary */ |
1312 | /* by walking from both sides and swapping if necessary */ |
1214 | /* also clear score, so it doesn't influence sorting */ |
|
|
1215 | while (oth > dir) |
1313 | while (oth > dir) |
1216 | { |
1314 | { |
1217 | if (dir->type == EIO_DT_DIR) |
1315 | if (dir->type == EIO_DT_DIR) |
1218 | ++dir; |
1316 | ++dir; |
1219 | else if ((--oth)->type == EIO_DT_DIR) |
1317 | else if ((--oth)->type == EIO_DT_DIR) |
… | |
… | |
1222 | |
1320 | |
1223 | ++dir; |
1321 | ++dir; |
1224 | } |
1322 | } |
1225 | } |
1323 | } |
1226 | |
1324 | |
1227 | /* now sort the dirs only */ |
1325 | /* now sort the dirs only (dirs all have the same score) */ |
1228 | eio_dent_sort (dents, dir - dents, 0, inode_bits); |
1326 | eio_dent_sort (dents, dir - dents, 0, inode_bits); |
1229 | } |
1327 | } |
1230 | |
1328 | |
1231 | break; |
1329 | break; |
1232 | } |
1330 | } |
… | |
… | |
1352 | break; |
1450 | break; |
1353 | } |
1451 | } |
1354 | } |
1452 | } |
1355 | } |
1453 | } |
1356 | |
1454 | |
1357 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
|
|
1358 | # undef msync |
|
|
1359 | # define msync(a,b,c) ((errno = ENOSYS), -1) |
|
|
1360 | #endif |
|
|
1361 | |
|
|
1362 | int |
|
|
1363 | eio__mtouch (void *mem, size_t len, int flags) |
|
|
1364 | { |
|
|
1365 | intptr_t addr = (intptr_t)mem; |
|
|
1366 | intptr_t end = addr + len; |
|
|
1367 | #ifdef PAGESIZE |
1455 | #ifdef PAGESIZE |
1368 | const intptr_t page = PAGESIZE; |
1456 | # define eio_pagesize() PAGESIZE |
1369 | #else |
1457 | #else |
|
|
1458 | static intptr_t |
|
|
1459 | eio_pagesize (void) |
|
|
1460 | { |
1370 | static intptr_t page; |
1461 | static intptr_t page; |
1371 | |
1462 | |
1372 | if (!page) |
1463 | if (!page) |
1373 | page = sysconf (_SC_PAGESIZE); |
1464 | page = sysconf (_SC_PAGESIZE); |
|
|
1465 | |
|
|
1466 | return page; |
|
|
1467 | } |
|
|
1468 | #endif |
|
|
1469 | |
|
|
1470 | static void |
|
|
1471 | eio_page_align (void **addr, size_t *length) |
|
|
1472 | { |
|
|
1473 | intptr_t mask = eio_pagesize () - 1; |
|
|
1474 | |
|
|
1475 | /* round down addr */ |
|
|
1476 | intptr_t adj = mask & (intptr_t)*addr; |
|
|
1477 | |
|
|
1478 | *addr = (void *)((intptr_t)*addr - adj); |
|
|
1479 | *length += adj; |
|
|
1480 | |
|
|
1481 | /* round up length */ |
|
|
1482 | *length = (*length + mask) & ~mask; |
|
|
1483 | } |
|
|
1484 | |
|
|
1485 | #if !_POSIX_MEMLOCK |
|
|
1486 | # define eio__mlockall(a) ((errno = ENOSYS), -1) |
|
|
1487 | #else |
|
|
1488 | |
|
|
1489 | static int |
|
|
1490 | eio__mlockall (int flags) |
|
|
1491 | { |
|
|
1492 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1493 | extern int mallopt (int, int); |
|
|
1494 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1374 | #endif |
1495 | #endif |
1375 | |
1496 | |
1376 | addr &= ~(page - 1); /* assume page size is always a power of two */ |
1497 | if (EIO_MCL_CURRENT != MCL_CURRENT |
|
|
1498 | || EIO_MCL_FUTURE != MCL_FUTURE) |
|
|
1499 | { |
|
|
1500 | flags = 0 |
|
|
1501 | | (flags & EIO_MCL_CURRENT ? MCL_CURRENT : 0) |
|
|
1502 | | (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0); |
|
|
1503 | } |
1377 | |
1504 | |
|
|
1505 | return mlockall (flags); |
|
|
1506 | } |
|
|
1507 | #endif |
|
|
1508 | |
|
|
1509 | #if !_POSIX_MEMLOCK_RANGE |
|
|
1510 | # define eio__mlock(a,b) ((errno = ENOSYS), -1) |
|
|
1511 | #else |
|
|
1512 | |
|
|
1513 | static int |
|
|
1514 | eio__mlock (void *addr, size_t length) |
|
|
1515 | { |
|
|
1516 | eio_page_align (&addr, &length); |
|
|
1517 | |
|
|
1518 | return mlock (addr, length); |
|
|
1519 | } |
|
|
1520 | |
|
|
1521 | #endif |
|
|
1522 | |
|
|
1523 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
|
|
1524 | # define eio__msync(a,b,c) ((errno = ENOSYS), -1) |
|
|
1525 | #else |
|
|
1526 | |
|
|
1527 | int |
|
|
1528 | eio__msync (void *mem, size_t len, int flags) |
|
|
1529 | { |
|
|
1530 | eio_page_align (&mem, &len); |
|
|
1531 | |
|
|
1532 | if (EIO_MS_ASYNC != MS_SYNC |
|
|
1533 | || EIO_MS_INVALIDATE != MS_INVALIDATE |
|
|
1534 | || EIO_MS_SYNC != MS_SYNC) |
|
|
1535 | { |
|
|
1536 | flags = 0 |
|
|
1537 | | (flags & EIO_MS_ASYNC ? MS_ASYNC : 0) |
|
|
1538 | | (flags & EIO_MS_INVALIDATE ? MS_INVALIDATE : 0) |
|
|
1539 | | (flags & EIO_MS_SYNC ? MS_SYNC : 0); |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | return msync (mem, len, flags); |
|
|
1543 | } |
|
|
1544 | |
|
|
1545 | #endif |
|
|
1546 | |
|
|
1547 | int |
|
|
1548 | eio__mtouch (eio_req *req) |
|
|
1549 | { |
|
|
1550 | void *mem = req->ptr2; |
|
|
1551 | size_t len = req->size; |
|
|
1552 | int flags = req->int1; |
|
|
1553 | |
|
|
1554 | eio_page_align (&mem, &len); |
|
|
1555 | |
|
|
1556 | { |
|
|
1557 | intptr_t addr = (intptr_t)mem; |
|
|
1558 | intptr_t end = addr + len; |
|
|
1559 | intptr_t page = eio_pagesize (); |
|
|
1560 | |
1378 | if (addr < end) |
1561 | if (addr < end) |
1379 | if (flags) /* modify */ |
1562 | if (flags & EIO_MT_MODIFY) /* modify */ |
1380 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); |
1563 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len && !EIO_CANCELLED (req)); |
1381 | else |
1564 | else |
1382 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); |
1565 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len && !EIO_CANCELLED (req)); |
|
|
1566 | } |
1383 | |
1567 | |
1384 | return 0; |
1568 | return 0; |
1385 | } |
1569 | } |
1386 | |
1570 | |
1387 | /*****************************************************************************/ |
1571 | /*****************************************************************************/ |
… | |
… | |
1421 | if (req) |
1605 | if (req) |
1422 | break; |
1606 | break; |
1423 | |
1607 | |
1424 | ++idle; |
1608 | ++idle; |
1425 | |
1609 | |
1426 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1610 | ts.tv_sec = time (0) + idle_timeout; |
1427 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) |
1611 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) |
1428 | { |
1612 | { |
1429 | if (idle > max_idle) |
1613 | if (idle > max_idle) |
1430 | { |
1614 | { |
1431 | --idle; |
1615 | --idle; |
… | |
… | |
1510 | return 0; \ |
1694 | return 0; \ |
1511 | } |
1695 | } |
1512 | |
1696 | |
1513 | static void eio_execute (etp_worker *self, eio_req *req) |
1697 | static void eio_execute (etp_worker *self, eio_req *req) |
1514 | { |
1698 | { |
1515 | errno = 0; |
|
|
1516 | |
|
|
1517 | switch (req->type) |
1699 | switch (req->type) |
1518 | { |
1700 | { |
1519 | case EIO_READ: ALLOC (req->size); |
1701 | case EIO_READ: ALLOC (req->size); |
1520 | req->result = req->offs >= 0 |
1702 | req->result = req->offs >= 0 |
1521 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
1703 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
… | |
… | |
1532 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1714 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1533 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1715 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1534 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1716 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1535 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1717 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1536 | |
1718 | |
|
|
1719 | case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); |
|
|
1720 | req->result = statvfs (req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break; |
|
|
1721 | case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); |
|
|
1722 | req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break; |
|
|
1723 | |
1537 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
1724 | 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; |
1725 | 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; |
1726 | 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; |
1727 | 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; |
1728 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
… | |
… | |
1548 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
1735 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
1549 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
1736 | 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; |
1737 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1551 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1738 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1552 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
1739 | 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; |
1740 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
1554 | |
1741 | |
1555 | case EIO_READLINK: ALLOC (NAME_MAX); |
1742 | case EIO_READLINK: ALLOC (PATH_MAX); |
1556 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
1743 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
1557 | |
1744 | |
1558 | case EIO_SYNC: req->result = 0; sync (); break; |
1745 | case EIO_SYNC: req->result = 0; sync (); break; |
1559 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1746 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1560 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1747 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1561 | case EIO_MSYNC: req->result = msync (req->ptr2, req->size, req->int1); break; |
1748 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
|
|
1749 | case EIO_MTOUCH: req->result = eio__mtouch (req); break; |
1562 | case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; |
1750 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
|
|
1751 | 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; |
1752 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
1564 | |
1753 | |
1565 | case EIO_READDIR: eio__scandir (req, self); break; |
1754 | case EIO_READDIR: eio__scandir (req, self); break; |
1566 | |
1755 | |
1567 | case EIO_BUSY: |
1756 | case EIO_BUSY: |
1568 | #ifdef _WIN32 |
1757 | #ifdef _WIN32 |
1569 | Sleep (req->nv1 * 1000.); |
1758 | Sleep (req->nv1 * 1e3); |
1570 | #else |
1759 | #else |
1571 | { |
1760 | { |
1572 | struct timeval tv; |
1761 | struct timeval tv; |
1573 | |
1762 | |
1574 | tv.tv_sec = req->nv1; |
1763 | tv.tv_sec = req->nv1; |
1575 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
1764 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1e6; |
1576 | |
1765 | |
1577 | req->result = select (0, 0, 0, 0, &tv); |
1766 | req->result = select (0, 0, 0, 0, &tv); |
1578 | } |
1767 | } |
1579 | #endif |
1768 | #endif |
1580 | break; |
1769 | break; |
… | |
… | |
1595 | times = tv; |
1784 | times = tv; |
1596 | } |
1785 | } |
1597 | else |
1786 | else |
1598 | times = 0; |
1787 | times = 0; |
1599 | |
1788 | |
1600 | |
|
|
1601 | req->result = req->type == EIO_FUTIME |
1789 | req->result = req->type == EIO_FUTIME |
1602 | ? futimes (req->int1, times) |
1790 | ? futimes (req->int1, times) |
1603 | : utimes (req->ptr1, times); |
1791 | : utimes (req->ptr1, times); |
1604 | } |
1792 | } |
1605 | break; |
1793 | break; |
… | |
… | |
1610 | case EIO_NOP: |
1798 | case EIO_NOP: |
1611 | req->result = 0; |
1799 | req->result = 0; |
1612 | break; |
1800 | break; |
1613 | |
1801 | |
1614 | case EIO_CUSTOM: |
1802 | case EIO_CUSTOM: |
1615 | ((void (*)(eio_req *))req->feed) (req); |
1803 | req->feed (req); |
1616 | break; |
1804 | break; |
1617 | |
1805 | |
1618 | default: |
1806 | default: |
|
|
1807 | errno = ENOSYS; |
1619 | req->result = -1; |
1808 | req->result = -1; |
1620 | break; |
1809 | break; |
1621 | } |
1810 | } |
1622 | |
1811 | |
1623 | req->errorno = errno; |
1812 | req->errorno = errno; |
… | |
… | |
1653 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
1842 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
1654 | { |
1843 | { |
1655 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1844 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1656 | } |
1845 | } |
1657 | |
1846 | |
|
|
1847 | eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data) |
|
|
1848 | { |
|
|
1849 | REQ (EIO_MLOCK); req->ptr2 = addr; req->size = length; SEND; |
|
|
1850 | } |
|
|
1851 | |
|
|
1852 | eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data) |
|
|
1853 | { |
|
|
1854 | REQ (EIO_MLOCKALL); req->int1 = flags; SEND; |
|
|
1855 | } |
|
|
1856 | |
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) |
1857 | 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 | { |
1858 | { |
1660 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
1859 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
1661 | } |
1860 | } |
1662 | |
1861 | |
… | |
… | |
1686 | } |
1885 | } |
1687 | |
1886 | |
1688 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
1887 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
1689 | { |
1888 | { |
1690 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
1889 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data) |
|
|
1893 | { |
|
|
1894 | REQ (EIO_FSTATVFS); req->int1 = fd; SEND; |
1691 | } |
1895 | } |
1692 | |
1896 | |
1693 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
1897 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
1694 | { |
1898 | { |
1695 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
1899 | 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) |
1973 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
1770 | { |
1974 | { |
1771 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
1975 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
1772 | } |
1976 | } |
1773 | |
1977 | |
|
|
1978 | eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data) |
|
|
1979 | { |
|
|
1980 | return eio__1path (EIO_STATVFS, path, pri, cb, data); |
|
|
1981 | } |
|
|
1982 | |
1774 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
1983 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
1775 | { |
1984 | { |
1776 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
1985 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
1777 | } |
1986 | } |
1778 | |
1987 | |
… | |
… | |
1786 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1995 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1787 | } |
1996 | } |
1788 | |
1997 | |
1789 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1998 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1790 | { |
1999 | { |
1791 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
2000 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->offs = (off_t)dev; SEND; |
1792 | } |
2001 | } |
1793 | |
2002 | |
1794 | static eio_req * |
2003 | static eio_req * |
1795 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
2004 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1796 | { |
2005 | { |
… | |
… | |
1820 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
2029 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1821 | { |
2030 | { |
1822 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
2031 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1823 | } |
2032 | } |
1824 | |
2033 | |
1825 | eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data) |
2034 | eio_req *eio_custom (void (*)(eio_req *) execute, int pri, eio_cb cb, void *data); |
1826 | { |
2035 | { |
1827 | REQ (EIO_CUSTOM); req->feed = (void (*)(eio_req *))execute; SEND; |
2036 | REQ (EIO_CUSTOM); req->feed = execute; SEND; |
1828 | } |
2037 | } |
1829 | |
2038 | |
1830 | #endif |
2039 | #endif |
1831 | |
2040 | |
1832 | eio_req *eio_grp (eio_cb cb, void *data) |
2041 | eio_req *eio_grp (eio_cb cb, void *data) |