… | |
… | |
54 | #include <stdlib.h> |
54 | #include <stdlib.h> |
55 | #include <string.h> |
55 | #include <string.h> |
56 | #include <errno.h> |
56 | #include <errno.h> |
57 | #include <sys/types.h> |
57 | #include <sys/types.h> |
58 | #include <sys/stat.h> |
58 | #include <sys/stat.h> |
59 | #include <sys/statvfs.h> |
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|
60 | #include <limits.h> |
59 | #include <limits.h> |
61 | #include <fcntl.h> |
60 | #include <fcntl.h> |
62 | #include <assert.h> |
61 | #include <assert.h> |
63 | |
62 | |
64 | /* intptr_t comes from unistd.h, says POSIX/UNIX/tradition */ |
63 | /* intptr_t comes from unistd.h, says POSIX/UNIX/tradition */ |
65 | /* intptr_t only comes form stdint.h, says idiot openbsd coder */ |
64 | /* intptr_t only comes from stdint.h, says idiot openbsd coder */ |
66 | #if HAVE_STDINT_H |
65 | #if HAVE_STDINT_H |
67 | # include <stdint.h> |
66 | # include <stdint.h> |
68 | #endif |
67 | #endif |
69 | |
68 | |
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|
69 | #ifndef ECANCELED |
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|
70 | # define ECANCELED EDOM |
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|
71 | #endif |
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72 | |
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|
73 | static void eio_destroy (eio_req *req); |
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74 | |
70 | #ifndef EIO_FINISH |
75 | #ifndef EIO_FINISH |
71 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
76 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
72 | #endif |
77 | #endif |
73 | |
78 | |
74 | #ifndef EIO_DESTROY |
79 | #ifndef EIO_DESTROY |
… | |
… | |
77 | |
82 | |
78 | #ifndef EIO_FEED |
83 | #ifndef EIO_FEED |
79 | # define EIO_FEED(req) do { if ((req)->feed ) (req)->feed (req); } while (0) |
84 | # define EIO_FEED(req) do { if ((req)->feed ) (req)->feed (req); } while (0) |
80 | #endif |
85 | #endif |
81 | |
86 | |
|
|
87 | #ifndef EIO_FD_TO_WIN32_HANDLE |
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|
88 | # define EIO_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
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89 | #endif |
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|
90 | #ifndef EIO_WIN32_HANDLE_TO_FD |
|
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91 | # define EIO_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
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92 | #endif |
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93 | |
|
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94 | #define EIO_ERRNO(errval,retval) ((errno = errval), retval) |
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95 | |
|
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96 | #define EIO_ENOSYS() EIO_ERRNO (ENOSYS, -1) |
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97 | |
82 | #ifdef _WIN32 |
98 | #ifdef _WIN32 |
83 | |
99 | |
84 | /*doh*/ |
100 | #define PAGESIZE 4096 /* GetSystemInfo? */ |
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101 | |
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102 | #ifdef EIO_STRUCT_STATI64 |
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103 | #define stat(path,buf) _stati64 (path,buf) |
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104 | #define fstat(fd,buf) _fstati64 (path,buf) |
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105 | #endif |
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106 | #define lstat(path,buf) stat (path,buf) |
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|
107 | #define fsync(fd) (FlushFileBuffers (EIO_FD_TO_WIN32_HANDLE (fd)) ? 0 : EIO_ERRNO (EBADF, -1)) |
|
|
108 | #define mkdir(path,mode) _mkdir (path) |
|
|
109 | #define link(old,neu) (CreateHardLink (neu, old, 0) ? 0 : EIO_ERRNO (ENOENT, -1)) |
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|
110 | |
|
|
111 | #define chown(path,uid,gid) EIO_ENOSYS () |
|
|
112 | #define fchown(fd,uid,gid) EIO_ENOSYS () |
|
|
113 | #define truncate(path,offs) EIO_ENOSYS () /* far-miss: SetEndOfFile */ |
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|
114 | #define ftruncate(fd,offs) EIO_ENOSYS () /* near-miss: SetEndOfFile */ |
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|
115 | #define mknod(path,mode,dev) EIO_ENOSYS () |
|
|
116 | #define sync() EIO_ENOSYS () |
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|
117 | |
|
|
118 | /* we could even stat and see if it exists */ |
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|
119 | static int |
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|
120 | symlink (const char *old, const char *neu) |
|
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121 | { |
|
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122 | if (CreateSymbolicLink (neu, old, 1)) |
|
|
123 | return 0; |
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|
124 | |
|
|
125 | if (CreateSymbolicLink (neu, old, 0)) |
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|
126 | return 0; |
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|
127 | |
|
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128 | return EIO_ERRNO (ENOENT, -1); |
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129 | } |
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130 | |
85 | #else |
131 | #else |
86 | |
132 | |
87 | # include <sys/time.h> |
133 | #include <sys/time.h> |
88 | # include <sys/select.h> |
134 | #include <sys/select.h> |
|
|
135 | #include <sys/statvfs.h> |
89 | # include <unistd.h> |
136 | #include <unistd.h> |
90 | # include <utime.h> |
137 | #include <utime.h> |
91 | # include <signal.h> |
138 | #include <signal.h> |
92 | # include <dirent.h> |
139 | #include <dirent.h> |
93 | |
140 | |
94 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
141 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
95 | # include <sys/mman.h> |
142 | #include <sys/mman.h> |
96 | #endif |
143 | #endif |
97 | |
144 | |
98 | /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ |
145 | /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ |
99 | # if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
146 | #if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
100 | # define _DIRENT_HAVE_D_TYPE /* sigh */ |
147 | #define _DIRENT_HAVE_D_TYPE /* sigh */ |
101 | # define D_INO(de) (de)->d_fileno |
148 | #define D_INO(de) (de)->d_fileno |
102 | # define D_NAMLEN(de) (de)->d_namlen |
149 | #define D_NAMLEN(de) (de)->d_namlen |
103 | # elif __linux || defined d_ino || _XOPEN_SOURCE >= 600 |
150 | #elif __linux || defined d_ino || _XOPEN_SOURCE >= 600 |
104 | # define D_INO(de) (de)->d_ino |
151 | #define D_INO(de) (de)->d_ino |
105 | # endif |
152 | #endif |
106 | |
153 | |
107 | #ifdef _D_EXACT_NAMLEN |
154 | #ifdef _D_EXACT_NAMLEN |
108 | # undef D_NAMLEN |
155 | #undef D_NAMLEN |
109 | # define D_NAMLEN(de) _D_EXACT_NAMLEN (de) |
156 | #define D_NAMLEN(de) _D_EXACT_NAMLEN (de) |
110 | #endif |
157 | #endif |
111 | |
158 | |
112 | # ifdef _DIRENT_HAVE_D_TYPE |
159 | #ifdef _DIRENT_HAVE_D_TYPE |
113 | # define D_TYPE(de) (de)->d_type |
160 | #define D_TYPE(de) (de)->d_type |
114 | # endif |
161 | #endif |
115 | |
162 | |
116 | # ifndef EIO_STRUCT_DIRENT |
163 | #ifndef EIO_STRUCT_DIRENT |
117 | # define EIO_STRUCT_DIRENT struct dirent |
164 | #define EIO_STRUCT_DIRENT struct dirent |
118 | # endif |
165 | #endif |
119 | |
166 | |
120 | #endif |
167 | #endif |
121 | |
168 | |
122 | #if HAVE_SENDFILE |
169 | #if HAVE_SENDFILE |
123 | # if __linux |
170 | # if __linux |
… | |
… | |
375 | } |
422 | } |
376 | |
423 | |
377 | static void ecb_cold |
424 | static void ecb_cold |
378 | etp_thread_init (void) |
425 | etp_thread_init (void) |
379 | { |
426 | { |
|
|
427 | #if !HAVE_PREADWRITE |
|
|
428 | X_MUTEX_CREATE (preadwritelock); |
|
|
429 | #endif |
380 | X_MUTEX_CREATE (wrklock); |
430 | X_MUTEX_CREATE (wrklock); |
381 | X_MUTEX_CREATE (reslock); |
431 | X_MUTEX_CREATE (reslock); |
382 | X_MUTEX_CREATE (reqlock); |
432 | X_MUTEX_CREATE (reqlock); |
383 | X_COND_CREATE (reqwait); |
433 | X_COND_CREATE (reqwait); |
384 | } |
434 | } |
385 | |
435 | |
386 | static void ecb_cold |
436 | static void ecb_cold |
387 | etp_atfork_prepare (void) |
437 | etp_atfork_prepare (void) |
388 | { |
438 | { |
389 | X_LOCK (wrklock); |
|
|
390 | X_LOCK (reqlock); |
|
|
391 | X_LOCK (reslock); |
|
|
392 | #if !HAVE_PREADWRITE |
|
|
393 | X_LOCK (preadwritelock); |
|
|
394 | #endif |
|
|
395 | } |
439 | } |
396 | |
440 | |
397 | static void ecb_cold |
441 | static void ecb_cold |
398 | etp_atfork_parent (void) |
442 | etp_atfork_parent (void) |
399 | { |
443 | { |
400 | #if !HAVE_PREADWRITE |
|
|
401 | X_UNLOCK (preadwritelock); |
|
|
402 | #endif |
|
|
403 | X_UNLOCK (reslock); |
|
|
404 | X_UNLOCK (reqlock); |
|
|
405 | X_UNLOCK (wrklock); |
|
|
406 | } |
444 | } |
407 | |
445 | |
408 | static void ecb_cold |
446 | static void ecb_cold |
409 | etp_atfork_child (void) |
447 | etp_atfork_child (void) |
410 | { |
448 | { |
… | |
… | |
583 | } |
621 | } |
584 | |
622 | |
585 | static void |
623 | static void |
586 | etp_cancel (ETP_REQ *req) |
624 | etp_cancel (ETP_REQ *req) |
587 | { |
625 | { |
588 | X_LOCK (wrklock); |
626 | req->cancelled = 1; |
589 | req->flags |= EIO_FLAG_CANCELLED; |
|
|
590 | X_UNLOCK (wrklock); |
|
|
591 | |
627 | |
592 | eio_grp_cancel (req); |
628 | eio_grp_cancel (req); |
593 | } |
629 | } |
594 | |
630 | |
595 | static void |
631 | static void |
… | |
… | |
711 | return eio_finish (grp); |
747 | return eio_finish (grp); |
712 | else |
748 | else |
713 | return 0; |
749 | return 0; |
714 | } |
750 | } |
715 | |
751 | |
716 | void |
752 | static void |
717 | eio_destroy (eio_req *req) |
753 | eio_destroy (eio_req *req) |
718 | { |
754 | { |
719 | if ((req)->flags & EIO_FLAG_PTR1_FREE) free (req->ptr1); |
755 | if ((req)->flags & EIO_FLAG_PTR1_FREE) free (req->ptr1); |
720 | if ((req)->flags & EIO_FLAG_PTR2_FREE) free (req->ptr2); |
756 | if ((req)->flags & EIO_FLAG_PTR2_FREE) free (req->ptr2); |
721 | |
757 | |
… | |
… | |
841 | # undef pread |
877 | # undef pread |
842 | # undef pwrite |
878 | # undef pwrite |
843 | # define pread eio__pread |
879 | # define pread eio__pread |
844 | # define pwrite eio__pwrite |
880 | # define pwrite eio__pwrite |
845 | |
881 | |
846 | static ssize_t |
882 | static eio_ssize_t |
847 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
883 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
848 | { |
884 | { |
849 | ssize_t res; |
885 | eio_ssize_t res; |
850 | off_t ooffset; |
886 | off_t ooffset; |
851 | |
887 | |
852 | X_LOCK (preadwritelock); |
888 | X_LOCK (preadwritelock); |
853 | ooffset = lseek (fd, 0, SEEK_CUR); |
889 | ooffset = lseek (fd, 0, SEEK_CUR); |
854 | lseek (fd, offset, SEEK_SET); |
890 | lseek (fd, offset, SEEK_SET); |
… | |
… | |
857 | X_UNLOCK (preadwritelock); |
893 | X_UNLOCK (preadwritelock); |
858 | |
894 | |
859 | return res; |
895 | return res; |
860 | } |
896 | } |
861 | |
897 | |
862 | static ssize_t |
898 | static eio_ssize_t |
863 | eio__pwrite (int fd, void *buf, size_t count, off_t offset) |
899 | eio__pwrite (int fd, void *buf, size_t count, off_t offset) |
864 | { |
900 | { |
865 | ssize_t res; |
901 | eio_ssize_t res; |
866 | off_t ooffset; |
902 | off_t ooffset; |
867 | |
903 | |
868 | X_LOCK (preadwritelock); |
904 | X_LOCK (preadwritelock); |
869 | ooffset = lseek (fd, 0, SEEK_CUR); |
905 | ooffset = lseek (fd, 0, SEEK_CUR); |
870 | lseek (fd, offset, SEEK_SET); |
906 | lseek (fd, offset, SEEK_SET); |
… | |
… | |
944 | /* even though we could play tricks with the flags, it's better to always |
980 | /* even though we could play tricks with the flags, it's better to always |
945 | * call fdatasync, as that matches the expectation of its users best */ |
981 | * call fdatasync, as that matches the expectation of its users best */ |
946 | return fdatasync (fd); |
982 | return fdatasync (fd); |
947 | } |
983 | } |
948 | |
984 | |
|
|
985 | static int |
|
|
986 | eio__fallocate (int fd, int mode, off_t offset, size_t len) |
|
|
987 | { |
|
|
988 | #if HAVE_FALLOCATE |
|
|
989 | return fallocate (fd, mode, offset, len); |
|
|
990 | #else |
|
|
991 | errno = ENOSYS; |
|
|
992 | return -1; |
|
|
993 | #endif |
|
|
994 | } |
|
|
995 | |
949 | #if !HAVE_READAHEAD |
996 | #if !HAVE_READAHEAD |
950 | # undef readahead |
997 | # undef readahead |
951 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
998 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
952 | |
999 | |
953 | static ssize_t |
1000 | static eio_ssize_t |
954 | eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) |
1001 | eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) |
955 | { |
1002 | { |
956 | size_t todo = count; |
1003 | size_t todo = count; |
957 | dBUF; |
1004 | dBUF; |
958 | |
1005 | |
… | |
… | |
970 | } |
1017 | } |
971 | |
1018 | |
972 | #endif |
1019 | #endif |
973 | |
1020 | |
974 | /* sendfile always needs emulation */ |
1021 | /* sendfile always needs emulation */ |
975 | static ssize_t |
1022 | static eio_ssize_t |
976 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
1023 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
977 | { |
1024 | { |
978 | ssize_t written = 0; |
1025 | eio_ssize_t written = 0; |
979 | ssize_t res; |
1026 | eio_ssize_t res; |
980 | |
1027 | |
981 | if (!count) |
1028 | if (!count) |
982 | return 0; |
1029 | return 0; |
983 | |
1030 | |
984 | for (;;) |
1031 | for (;;) |
985 | { |
1032 | { |
|
|
1033 | #ifdef __APPLE__ |
|
|
1034 | # undef HAVE_SENDFILE /* broken, as everything on os x */ |
|
|
1035 | #endif |
986 | #if HAVE_SENDFILE |
1036 | #if HAVE_SENDFILE |
987 | # if __linux |
1037 | # if __linux |
988 | off_t soffset = offset; |
1038 | off_t soffset = offset; |
989 | res = sendfile (ofd, ifd, &soffset, count); |
1039 | res = sendfile (ofd, ifd, &soffset, count); |
990 | |
1040 | |
… | |
… | |
1006 | |
1056 | |
1007 | /* according to source inspection, this is correct, and useful behaviour */ |
1057 | /* according to source inspection, this is correct, and useful behaviour */ |
1008 | if (sbytes) |
1058 | if (sbytes) |
1009 | res = sbytes; |
1059 | res = sbytes; |
1010 | |
1060 | |
1011 | # elif defined (__APPLE__) && 0 /* broken, as everything on os x */ |
1061 | # elif defined (__APPLE__) |
1012 | off_t sbytes = count; |
1062 | off_t sbytes = count; |
1013 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
1063 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
1014 | |
1064 | |
1015 | /* according to the manpage, sbytes is always valid */ |
1065 | /* according to the manpage, sbytes is always valid */ |
1016 | if (sbytes) |
1066 | if (sbytes) |
… | |
… | |
1033 | if (res < 0 && sbytes) |
1083 | if (res < 0 && sbytes) |
1034 | res = sbytes; |
1084 | res = sbytes; |
1035 | |
1085 | |
1036 | # endif |
1086 | # endif |
1037 | |
1087 | |
1038 | #elif defined (_WIN32) |
1088 | #elif defined (_WIN32) && 0 |
1039 | /* does not work, just for documentation of what would need to be done */ |
1089 | /* does not work, just for documentation of what would need to be done */ |
1040 | /* actually, cannot be done like this, as TransmitFile changes the file offset, */ |
1090 | /* actually, cannot be done like this, as TransmitFile changes the file offset, */ |
1041 | /* libeio guarantees that the file offset does not change, and windows */ |
1091 | /* libeio guarantees that the file offset does not change, and windows */ |
1042 | /* has no way to get an independent handle to the same file description */ |
1092 | /* has no way to get an independent handle to the same file description */ |
1043 | HANDLE h = TO_SOCKET (ifd); |
1093 | HANDLE h = TO_SOCKET (ifd); |
… | |
… | |
1090 | |
1140 | |
1091 | res = 0; |
1141 | res = 0; |
1092 | |
1142 | |
1093 | while (count) |
1143 | while (count) |
1094 | { |
1144 | { |
1095 | ssize_t cnt; |
1145 | eio_ssize_t cnt; |
1096 | |
1146 | |
1097 | cnt = pread (ifd, eio_buf, count > EIO_BUFSIZE ? EIO_BUFSIZE : count, offset); |
1147 | cnt = pread (ifd, eio_buf, count > EIO_BUFSIZE ? EIO_BUFSIZE : count, offset); |
1098 | |
1148 | |
1099 | if (cnt <= 0) |
1149 | if (cnt <= 0) |
1100 | { |
1150 | { |
… | |
… | |
1148 | /* round up length */ |
1198 | /* round up length */ |
1149 | *length = (*length + mask) & ~mask; |
1199 | *length = (*length + mask) & ~mask; |
1150 | } |
1200 | } |
1151 | |
1201 | |
1152 | #if !_POSIX_MEMLOCK |
1202 | #if !_POSIX_MEMLOCK |
1153 | # define eio__mlockall(a) ((errno = ENOSYS), -1) |
1203 | # define eio__mlockall(a) EIO_ENOSYS () |
1154 | #else |
1204 | #else |
1155 | |
1205 | |
1156 | static int |
1206 | static int |
1157 | eio__mlockall (int flags) |
1207 | eio__mlockall (int flags) |
1158 | { |
1208 | { |
… | |
… | |
1172 | return mlockall (flags); |
1222 | return mlockall (flags); |
1173 | } |
1223 | } |
1174 | #endif |
1224 | #endif |
1175 | |
1225 | |
1176 | #if !_POSIX_MEMLOCK_RANGE |
1226 | #if !_POSIX_MEMLOCK_RANGE |
1177 | # define eio__mlock(a,b) ((errno = ENOSYS), -1) |
1227 | # define eio__mlock(a,b) EIO_ENOSYS () |
1178 | #else |
1228 | #else |
1179 | |
1229 | |
1180 | static int |
1230 | static int |
1181 | eio__mlock (void *addr, size_t length) |
1231 | eio__mlock (void *addr, size_t length) |
1182 | { |
1232 | { |
… | |
… | |
1186 | } |
1236 | } |
1187 | |
1237 | |
1188 | #endif |
1238 | #endif |
1189 | |
1239 | |
1190 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1240 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1191 | # define eio__msync(a,b,c) ((errno = ENOSYS), -1) |
1241 | # define eio__msync(a,b,c) EIO_ENOSYS () |
1192 | #else |
1242 | #else |
1193 | |
1243 | |
1194 | static int |
1244 | static int |
1195 | eio__msync (void *mem, size_t len, int flags) |
1245 | eio__msync (void *mem, size_t len, int flags) |
1196 | { |
1246 | { |
… | |
… | |
1308 | res += strlen (res); |
1358 | res += strlen (res); |
1309 | } |
1359 | } |
1310 | |
1360 | |
1311 | while (*rel) |
1361 | while (*rel) |
1312 | { |
1362 | { |
1313 | ssize_t len, linklen; |
1363 | eio_ssize_t len, linklen; |
1314 | char *beg = rel; |
1364 | char *beg = rel; |
1315 | |
1365 | |
1316 | while (*rel && *rel != '/') |
1366 | while (*rel && *rel != '/') |
1317 | ++rel; |
1367 | ++rel; |
1318 | |
1368 | |
… | |
… | |
1785 | X_THREAD_PROC (etp_proc) |
1835 | X_THREAD_PROC (etp_proc) |
1786 | { |
1836 | { |
1787 | ETP_REQ *req; |
1837 | ETP_REQ *req; |
1788 | struct timespec ts; |
1838 | struct timespec ts; |
1789 | etp_worker *self = (etp_worker *)thr_arg; |
1839 | etp_worker *self = (etp_worker *)thr_arg; |
|
|
1840 | int timeout; |
1790 | |
1841 | |
1791 | /* try to distribute timeouts somewhat randomly */ |
1842 | /* try to distribute timeouts somewhat evenly */ |
1792 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1843 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1793 | |
1844 | |
1794 | for (;;) |
1845 | for (;;) |
1795 | { |
1846 | { |
|
|
1847 | ts.tv_sec = 0; |
|
|
1848 | |
1796 | X_LOCK (reqlock); |
1849 | X_LOCK (reqlock); |
1797 | |
1850 | |
1798 | for (;;) |
1851 | for (;;) |
1799 | { |
1852 | { |
1800 | self->req = req = reqq_shift (&req_queue); |
1853 | self->req = req = reqq_shift (&req_queue); |
1801 | |
1854 | |
1802 | if (req) |
1855 | if (req) |
1803 | break; |
1856 | break; |
1804 | |
1857 | |
|
|
1858 | if (ts.tv_sec == 1) /* no request, but timeout detected, let's quit */ |
|
|
1859 | { |
|
|
1860 | X_UNLOCK (reqlock); |
|
|
1861 | X_LOCK (wrklock); |
|
|
1862 | --started; |
|
|
1863 | X_UNLOCK (wrklock); |
|
|
1864 | goto quit; |
|
|
1865 | } |
|
|
1866 | |
1805 | ++idle; |
1867 | ++idle; |
1806 | |
1868 | |
1807 | ts.tv_sec = time (0) + idle_timeout; |
1869 | if (idle <= max_idle) |
1808 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) |
1870 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1871 | X_COND_WAIT (reqwait, reqlock); |
|
|
1872 | else |
1809 | { |
1873 | { |
1810 | if (idle > max_idle) |
1874 | /* initialise timeout once */ |
1811 | { |
1875 | if (!ts.tv_sec) |
1812 | --idle; |
1876 | ts.tv_sec = time (0) + idle_timeout; |
1813 | X_UNLOCK (reqlock); |
|
|
1814 | X_LOCK (wrklock); |
|
|
1815 | --started; |
|
|
1816 | X_UNLOCK (wrklock); |
|
|
1817 | goto quit; |
|
|
1818 | } |
|
|
1819 | |
1877 | |
1820 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1821 | X_COND_WAIT (reqwait, reqlock); |
1878 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) == ETIMEDOUT) |
|
|
1879 | ts.tv_sec = 1; /* assuming this is not a value computed above.,.. */ |
1822 | } |
1880 | } |
1823 | |
1881 | |
1824 | --idle; |
1882 | --idle; |
1825 | } |
1883 | } |
1826 | |
1884 | |
… | |
… | |
1829 | X_UNLOCK (reqlock); |
1887 | X_UNLOCK (reqlock); |
1830 | |
1888 | |
1831 | if (req->type < 0) |
1889 | if (req->type < 0) |
1832 | goto quit; |
1890 | goto quit; |
1833 | |
1891 | |
1834 | if (!EIO_CANCELLED (req)) |
|
|
1835 | ETP_EXECUTE (self, req); |
1892 | ETP_EXECUTE (self, req); |
1836 | |
1893 | |
1837 | X_LOCK (reslock); |
1894 | X_LOCK (reslock); |
1838 | |
1895 | |
1839 | ++npending; |
1896 | ++npending; |
1840 | |
1897 | |
… | |
… | |
1894 | } |
1951 | } |
1895 | |
1952 | |
1896 | static void |
1953 | static void |
1897 | eio_execute (etp_worker *self, eio_req *req) |
1954 | eio_execute (etp_worker *self, eio_req *req) |
1898 | { |
1955 | { |
|
|
1956 | if (ecb_expect_false (EIO_CANCELLED (req))) |
|
|
1957 | { |
|
|
1958 | req->result = -1; |
|
|
1959 | req->errorno = ECANCELED; |
|
|
1960 | return; |
|
|
1961 | } |
|
|
1962 | |
1899 | switch (req->type) |
1963 | switch (req->type) |
1900 | { |
1964 | { |
1901 | case EIO_READ: ALLOC (req->size); |
1965 | case EIO_READ: ALLOC (req->size); |
1902 | req->result = req->offs >= 0 |
1966 | req->result = req->offs >= 0 |
1903 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
1967 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
… | |
… | |
1950 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
2014 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
1951 | case EIO_MTOUCH: req->result = eio__mtouch (req); break; |
2015 | case EIO_MTOUCH: req->result = eio__mtouch (req); break; |
1952 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
2016 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
1953 | case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; |
2017 | case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; |
1954 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
2018 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
|
|
2019 | case EIO_FALLOCATE: req->result = eio__fallocate (req->int1, req->int2, req->offs, req->size); break; |
1955 | |
2020 | |
1956 | case EIO_READDIR: eio__scandir (req, self); break; |
2021 | case EIO_READDIR: eio__scandir (req, self); break; |
1957 | |
2022 | |
1958 | case EIO_BUSY: |
2023 | case EIO_BUSY: |
1959 | #ifdef _WIN32 |
2024 | #ifdef _WIN32 |
… | |
… | |
2059 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
2124 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
2060 | { |
2125 | { |
2061 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
2126 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
2062 | } |
2127 | } |
2063 | |
2128 | |
|
|
2129 | eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data) |
|
|
2130 | { |
|
|
2131 | REQ (EIO_FALLOCATE); req->int1 = fd; req->int2 = mode; req->offs = offset; req->size = len; SEND; |
|
|
2132 | } |
|
|
2133 | |
2064 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
2134 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
2065 | { |
2135 | { |
2066 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
2136 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
2067 | } |
2137 | } |
2068 | |
2138 | |
… | |
… | |
2109 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data) |
2179 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data) |
2110 | { |
2180 | { |
2111 | REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; |
2181 | REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; |
2112 | } |
2182 | } |
2113 | |
2183 | |
2114 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
2184 | eio_req *eio_fchown (int fd, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data) |
2115 | { |
2185 | { |
2116 | REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2186 | REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2117 | } |
2187 | } |
2118 | |
2188 | |
2119 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data) |
2189 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data) |
… | |
… | |
2139 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data) |
2209 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data) |
2140 | { |
2210 | { |
2141 | REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; |
2211 | REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; |
2142 | } |
2212 | } |
2143 | |
2213 | |
2144 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
2214 | eio_req *eio_chown (const char *path, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data) |
2145 | { |
2215 | { |
2146 | REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2216 | REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2147 | } |
2217 | } |
2148 | |
2218 | |
2149 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
2219 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
… | |
… | |
2296 | } |
2366 | } |
2297 | |
2367 | |
2298 | /*****************************************************************************/ |
2368 | /*****************************************************************************/ |
2299 | /* misc garbage */ |
2369 | /* misc garbage */ |
2300 | |
2370 | |
2301 | ssize_t |
2371 | eio_ssize_t |
2302 | eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
2372 | eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
2303 | { |
2373 | { |
2304 | etp_worker wrk; |
2374 | etp_worker wrk; |
2305 | ssize_t ret; |
2375 | eio_ssize_t ret; |
2306 | |
2376 | |
2307 | wrk.dbuf = 0; |
2377 | wrk.dbuf = 0; |
2308 | |
2378 | |
2309 | ret = eio__sendfile (ofd, ifd, offset, count, &wrk); |
2379 | ret = eio__sendfile (ofd, ifd, offset, count, &wrk); |
2310 | |
2380 | |