1 | /* |
1 | /* |
2 | * libeio implementation |
2 | * libeio implementation |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libeio@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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 | * |
… | |
… | |
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 | #include "eio.h" |
40 | #include "eio.h" |
|
|
41 | |
|
|
42 | #ifdef EIO_STACKSIZE |
|
|
43 | # define XTHREAD_STACKSIZE EIO_STACKSIZE |
|
|
44 | #endif |
41 | #include "xthread.h" |
45 | #include "xthread.h" |
42 | |
46 | |
43 | #include <errno.h> |
47 | #include <errno.h> |
44 | #include <stddef.h> |
48 | #include <stddef.h> |
45 | #include <stdlib.h> |
49 | #include <stdlib.h> |
… | |
… | |
64 | #endif |
68 | #endif |
65 | |
69 | |
66 | #ifdef _WIN32 |
70 | #ifdef _WIN32 |
67 | |
71 | |
68 | /*doh*/ |
72 | /*doh*/ |
69 | |
|
|
70 | #else |
73 | #else |
71 | |
74 | |
72 | # include "config.h" |
75 | # include "config.h" |
73 | # include <sys/time.h> |
76 | # include <sys/time.h> |
74 | # include <sys/select.h> |
77 | # include <sys/select.h> |
75 | # include <unistd.h> |
78 | # include <unistd.h> |
76 | # include <utime.h> |
79 | # include <utime.h> |
77 | # include <signal.h> |
80 | # include <signal.h> |
78 | # include <dirent.h> |
81 | # include <dirent.h> |
|
|
82 | |
|
|
83 | /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ |
|
|
84 | # if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) |
|
|
85 | # define D_INO(de) (de)->d_fileno |
|
|
86 | # define _DIRENT_HAVE_D_TYPE /* sigh */ |
|
|
87 | # elif defined(__linux) || defined(d_ino) || _XOPEN_SOURCE >= 600 |
|
|
88 | # define D_INO(de) (de)->d_ino |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifdef _DIRENT_HAVE_D_TYPE |
|
|
92 | # define D_TYPE(de) (de)->d_type |
|
|
93 | # endif |
79 | |
94 | |
80 | # ifndef EIO_STRUCT_DIRENT |
95 | # ifndef EIO_STRUCT_DIRENT |
81 | # define EIO_STRUCT_DIRENT struct dirent |
96 | # define EIO_STRUCT_DIRENT struct dirent |
82 | # endif |
97 | # endif |
83 | |
98 | |
… | |
… | |
96 | # else |
111 | # else |
97 | # error sendfile support requested but not available |
112 | # error sendfile support requested but not available |
98 | # endif |
113 | # endif |
99 | #endif |
114 | #endif |
100 | |
115 | |
|
|
116 | #ifndef D_TYPE |
|
|
117 | # define D_TYPE(de) 0 |
|
|
118 | #endif |
|
|
119 | |
|
|
120 | #ifndef D_INO |
|
|
121 | # define D_INO(de) 0 |
|
|
122 | #endif |
|
|
123 | |
101 | /* number of seconds after which an idle threads exit */ |
124 | /* number of seconds after which an idle threads exit */ |
102 | #define IDLE_TIMEOUT 10 |
125 | #define IDLE_TIMEOUT 10 |
103 | |
126 | |
104 | /* used for struct dirent, AIX doesn't provide it */ |
127 | /* used for struct dirent, AIX doesn't provide it */ |
105 | #ifndef NAME_MAX |
128 | #ifndef NAME_MAX |
… | |
… | |
604 | |
627 | |
605 | static void grp_try_feed (eio_req *grp) |
628 | static void grp_try_feed (eio_req *grp) |
606 | { |
629 | { |
607 | while (grp->size < grp->int2 && !EIO_CANCELLED (grp)) |
630 | while (grp->size < grp->int2 && !EIO_CANCELLED (grp)) |
608 | { |
631 | { |
609 | int old_len = grp->size; |
632 | grp->flags &= ~EIO_FLAG_GROUPADD; |
610 | |
633 | |
611 | EIO_FEED (grp); |
634 | EIO_FEED (grp); |
612 | |
635 | |
613 | /* stop if no progress has been made */ |
636 | /* stop if no progress has been made */ |
614 | if (old_len == grp->size) |
637 | if (!(grp->flags & EIO_FLAG_GROUPADD)) |
615 | { |
638 | { |
616 | grp->feed = 0; |
639 | grp->feed = 0; |
617 | break; |
640 | break; |
618 | } |
641 | } |
619 | } |
642 | } |
… | |
… | |
736 | |
759 | |
737 | /*****************************************************************************/ |
760 | /*****************************************************************************/ |
738 | /* work around various missing functions */ |
761 | /* work around various missing functions */ |
739 | |
762 | |
740 | #if !HAVE_PREADWRITE |
763 | #if !HAVE_PREADWRITE |
|
|
764 | # undef pread |
|
|
765 | # undef pwrite |
741 | # define pread eio__pread |
766 | # define pread eio__pread |
742 | # define pwrite eio__pwrite |
767 | # define pwrite eio__pwrite |
743 | |
768 | |
744 | static ssize_t |
769 | static ssize_t |
745 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
770 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
… | |
… | |
765 | |
790 | |
766 | X_LOCK (preadwritelock); |
791 | X_LOCK (preadwritelock); |
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
792 | ooffset = lseek (fd, 0, SEEK_CUR); |
768 | lseek (fd, offset, SEEK_SET); |
793 | lseek (fd, offset, SEEK_SET); |
769 | res = write (fd, buf, count); |
794 | res = write (fd, buf, count); |
770 | lseek (fd, offset, SEEK_SET); |
795 | lseek (fd, ooffset, SEEK_SET); |
771 | X_UNLOCK (preadwritelock); |
796 | X_UNLOCK (preadwritelock); |
772 | |
797 | |
773 | return res; |
798 | return res; |
774 | } |
799 | } |
775 | #endif |
800 | #endif |
776 | |
801 | |
777 | #ifndef HAVE_FUTIMES |
802 | #ifndef HAVE_FUTIMES |
778 | |
803 | |
|
|
804 | # undef utimes |
|
|
805 | # undef futimes |
779 | # define utimes(path,times) eio__utimes (path, times) |
806 | # define utimes(path,times) eio__utimes (path, times) |
780 | # define futimes(fd,times) eio__futimes (fd, times) |
807 | # define futimes(fd,times) eio__futimes (fd, times) |
781 | |
808 | |
782 | static int |
809 | static int |
783 | eio__utimes (const char *filename, const struct timeval times[2]) |
810 | eio__utimes (const char *filename, const struct timeval times[2]) |
… | |
… | |
802 | } |
829 | } |
803 | |
830 | |
804 | #endif |
831 | #endif |
805 | |
832 | |
806 | #if !HAVE_FDATASYNC |
833 | #if !HAVE_FDATASYNC |
|
|
834 | # undef fdatasync |
807 | # define fdatasync fsync |
835 | # define fdatasync(fd) fsync (fd) |
808 | #endif |
836 | #endif |
|
|
837 | |
|
|
838 | /* sync_file_range always needs emulation */ |
|
|
839 | int |
|
|
840 | eio__sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags) |
|
|
841 | { |
|
|
842 | #if HAVE_SYNC_FILE_RANGE |
|
|
843 | int res; |
|
|
844 | |
|
|
845 | if (EIO_SYNC_FILE_RANGE_WAIT_BEFORE != SYNC_FILE_RANGE_WAIT_BEFORE |
|
|
846 | || EIO_SYNC_FILE_RANGE_WRITE != SYNC_FILE_RANGE_WRITE |
|
|
847 | || EIO_SYNC_FILE_RANGE_WAIT_AFTER != SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
848 | { |
|
|
849 | flags = 0 |
|
|
850 | | (flags & EIO_SYNC_FILE_RANGE_WAIT_BEFORE ? SYNC_FILE_RANGE_WAIT_BEFORE : 0) |
|
|
851 | | (flags & EIO_SYNC_FILE_RANGE_WRITE ? SYNC_FILE_RANGE_WRITE : 0) |
|
|
852 | | (flags & EIO_SYNC_FILE_RANGE_WAIT_AFTER ? SYNC_FILE_RANGE_WAIT_AFTER : 0); |
|
|
853 | } |
|
|
854 | |
|
|
855 | res = sync_file_range (fd, offset, nbytes, flags); |
|
|
856 | |
|
|
857 | if (!res || errno != ENOSYS) |
|
|
858 | return res; |
|
|
859 | #endif |
|
|
860 | |
|
|
861 | /* even though we could play tricks with the flags, it's better to always |
|
|
862 | * call fdatasync, as thta matches the expectation of it's users best */ |
|
|
863 | return fdatasync (fd); |
|
|
864 | } |
809 | |
865 | |
810 | #if !HAVE_READAHEAD |
866 | #if !HAVE_READAHEAD |
|
|
867 | # undef readahead |
811 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
868 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
812 | |
869 | |
813 | static ssize_t |
870 | static ssize_t |
814 | eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) |
871 | eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) |
815 | { |
872 | { |
… | |
… | |
923 | } |
980 | } |
924 | |
981 | |
925 | return res; |
982 | return res; |
926 | } |
983 | } |
927 | |
984 | |
|
|
985 | static int |
|
|
986 | eio_dent_cmp (const void *a_, const void *b_) |
|
|
987 | { |
|
|
988 | const eio_dirent *a = (const eio_dirent *)a_; |
|
|
989 | const eio_dirent *b = (const eio_dirent *)b_; |
|
|
990 | |
|
|
991 | return (int)b->score - (int)a->score ? (int)b->score - (int)a->score |
|
|
992 | : a->inode < b->inode ? -1 : a->inode > b->inode ? 1 : 0; /* int might be < ino_t */ |
|
|
993 | } |
|
|
994 | |
928 | /* read a full directory */ |
995 | /* read a full directory */ |
929 | static void |
996 | static void |
930 | eio__scandir (eio_req *req, etp_worker *self) |
997 | eio__scandir (eio_req *req, etp_worker *self) |
931 | { |
998 | { |
932 | DIR *dirp; |
999 | DIR *dirp; |
933 | EIO_STRUCT_DIRENT *entp; |
1000 | EIO_STRUCT_DIRENT *entp; |
934 | char *name, *names; |
1001 | unsigned char *name, *names; |
935 | int memlen = 4096; |
1002 | int namesalloc = 4096; |
936 | int memofs = 0; |
1003 | int namesoffs = 0; |
|
|
1004 | int flags = req->int1; |
|
|
1005 | eio_dirent *dents = 0; |
|
|
1006 | int dentalloc = 128; |
937 | int res = 0; |
1007 | int dentoffs = 0; |
|
|
1008 | |
|
|
1009 | req->result = -1; |
|
|
1010 | |
|
|
1011 | if (!(flags & EIO_READDIR_DENTS)) |
|
|
1012 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
938 | |
1013 | |
939 | X_LOCK (wrklock); |
1014 | X_LOCK (wrklock); |
|
|
1015 | |
940 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1016 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
941 | self->dirp = dirp = opendir (req->ptr1); |
1017 | self->dirp = dirp = opendir (req->ptr1); |
942 | req->flags |= EIO_FLAG_PTR2_FREE; |
1018 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
943 | req->ptr2 = names = malloc (memlen); |
1019 | req->ptr1 = names = malloc (namesalloc); |
|
|
1020 | req->ptr2 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
|
|
1021 | |
944 | X_UNLOCK (wrklock); |
1022 | X_UNLOCK (wrklock); |
945 | |
1023 | |
946 | if (dirp && names) |
1024 | if (dirp && names && (!flags || dents)) |
947 | for (;;) |
1025 | for (;;) |
948 | { |
1026 | { |
949 | errno = 0; |
1027 | errno = 0; |
950 | entp = readdir (dirp); |
1028 | entp = readdir (dirp); |
951 | |
1029 | |
952 | if (!entp) |
1030 | if (!entp) |
|
|
1031 | { |
|
|
1032 | if (errno) |
|
|
1033 | break; |
|
|
1034 | |
|
|
1035 | /* sort etc. */ |
|
|
1036 | req->int1 = flags; |
|
|
1037 | req->result = dentoffs; |
|
|
1038 | |
|
|
1039 | if (flags & EIO_READDIR_STAT_ORDER || !(~flags & (EIO_READDIR_DIRS_FIRST | EIO_READDIR_FOUND_UNKNOWN)) |
|
|
1040 | { |
|
|
1041 | /* pray your qsort doesn't use quicksort */ |
|
|
1042 | qsort (dents, dentoffs, sizeof (*dents), eio_dent_cmp); /* score depends of DIRS_FIRST */ |
|
|
1043 | } |
|
|
1044 | else if (flags & EIO_READDIR_DIRS_FIRST && !(flags & EIO_READDIR_FOUND_UNKNOWN)) |
|
|
1045 | { |
|
|
1046 | /* in this case, all is known, and we just put dirs first and sort them */ |
|
|
1047 | eio_dirent *ent = dents + dentoffs; |
|
|
1048 | eio_dirent *dir = dents; |
|
|
1049 | |
|
|
1050 | while (ent > dir) |
|
|
1051 | { |
|
|
1052 | if (dir->type == DT_DIR) |
|
|
1053 | ++dir; |
|
|
1054 | else |
|
|
1055 | { |
|
|
1056 | --ent; |
|
|
1057 | |
|
|
1058 | if (ent->type == DT_DIR) |
|
|
1059 | { |
|
|
1060 | eio_dirent tmp = *dir; |
|
|
1061 | *dir = *ent; |
|
|
1062 | *ent = tmp; |
|
|
1063 | |
|
|
1064 | ++dir; |
|
|
1065 | } |
|
|
1066 | } |
|
|
1067 | } |
|
|
1068 | |
|
|
1069 | /* now sort the dirs only */ |
|
|
1070 | qsort (dents, dir - dents, sizeof (*dents), eio_dent_cmp); |
|
|
1071 | } |
|
|
1072 | |
|
|
1073 | {int i; for(i=0;i<dentoffs;++i){eio_dirent *e=dents+i; printf ("%9ld %3d %s\n", e->inode,e->score,e->name);}}//D |
|
|
1074 | |
953 | break; |
1075 | break; |
|
|
1076 | } |
954 | |
1077 | |
955 | name = entp->d_name; |
1078 | name = entp->d_name; |
956 | |
1079 | |
957 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
1080 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
958 | { |
1081 | { |
959 | int len = strlen (name) + 1; |
1082 | int len = strlen (name) + 1; |
960 | |
1083 | |
961 | res++; |
1084 | while (expect_false (namesoffs + len > namesalloc)) |
962 | |
|
|
963 | while (memofs + len > memlen) |
|
|
964 | { |
1085 | { |
965 | memlen *= 2; |
1086 | namesalloc *= 2; |
966 | X_LOCK (wrklock); |
1087 | X_LOCK (wrklock); |
967 | req->ptr2 = names = realloc (names, memlen); |
1088 | req->ptr1 = names = realloc (names, namesalloc); |
968 | X_UNLOCK (wrklock); |
1089 | X_UNLOCK (wrklock); |
969 | |
1090 | |
970 | if (!names) |
1091 | if (!names) |
971 | break; |
1092 | break; |
972 | } |
1093 | } |
973 | |
1094 | |
974 | memcpy (names + memofs, name, len); |
1095 | memcpy (names + namesoffs, name, len); |
|
|
1096 | |
|
|
1097 | if (dents) |
|
|
1098 | { |
|
|
1099 | struct eio_dirent *ent; |
|
|
1100 | |
|
|
1101 | if (expect_false (dentoffs == dentalloc)) |
|
|
1102 | { |
|
|
1103 | dentalloc *= 2; |
|
|
1104 | X_LOCK (wrklock); |
|
|
1105 | req->ptr2 = dents = realloc (dents, dentalloc * sizeof (eio_dirent)); |
|
|
1106 | X_UNLOCK (wrklock); |
|
|
1107 | |
|
|
1108 | if (!dents) |
|
|
1109 | break; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | ent = dents + dentoffs; |
|
|
1113 | |
|
|
1114 | ent->name = names + namesoffs; |
|
|
1115 | ent->namelen = len - 1; |
|
|
1116 | ent->inode = D_INO (entp); |
|
|
1117 | |
|
|
1118 | switch (D_TYPE (entp)) |
|
|
1119 | { |
|
|
1120 | default: |
|
|
1121 | ent->type = EIO_DT_UNKNOWN; |
|
|
1122 | flags |= EIO_READDIR_FOUND_UNKNOWN; |
|
|
1123 | break; |
|
|
1124 | |
|
|
1125 | #ifdef DT_FIFO |
|
|
1126 | case DT_FIFO: ent->type = EIO_DT_FIFO; break; |
|
|
1127 | #endif |
|
|
1128 | #ifdef DT_CHR |
|
|
1129 | case DT_CHR: ent->type = EIO_DT_CHR; break; |
|
|
1130 | #endif |
|
|
1131 | #ifdef DT_DIR |
|
|
1132 | case DT_DIR: ent->type = EIO_DT_DIR; break; |
|
|
1133 | #endif |
|
|
1134 | #ifdef DT_BLK |
|
|
1135 | case DT_BLK: ent->type = EIO_DT_BLK; break; |
|
|
1136 | #endif |
|
|
1137 | #ifdef DT_REG |
|
|
1138 | case DT_REG: ent->type = EIO_DT_REG; break; |
|
|
1139 | #endif |
|
|
1140 | #ifdef DT_LNK |
|
|
1141 | case DT_LNK: ent->type = EIO_DT_LNK; break; |
|
|
1142 | #endif |
|
|
1143 | #ifdef DT_SOCK |
|
|
1144 | case DT_SOCK: ent->type = EIO_DT_SOCK; break; |
|
|
1145 | #endif |
|
|
1146 | #ifdef DT_WHT |
|
|
1147 | case DT_WHT: ent->type = EIO_DT_WHT; break; |
|
|
1148 | #endif |
|
|
1149 | } |
|
|
1150 | |
|
|
1151 | ent->score = 0; |
|
|
1152 | |
|
|
1153 | if (flags & EIO_READDIR_DIRS_FIRST) |
|
|
1154 | { |
|
|
1155 | if (ent->type == EIO_DT_UNKNOWN) |
|
|
1156 | { |
|
|
1157 | if (*name == '.') /* leading dots are likely directories, and, in any case, rare */ |
|
|
1158 | ent->score = 98; |
|
|
1159 | else if (!strchr (name, '.')) /* absense of dots indicate likely dirs */ |
|
|
1160 | ent->score = len <= 4 ? 5 : len <= 7 ? 4 : 1; /* shorter == more likely dir, but avoid too many classes */ |
|
|
1161 | } |
|
|
1162 | else if (ent->type == DT_DIR) |
|
|
1163 | ent->score = 100; |
|
|
1164 | } |
|
|
1165 | } |
|
|
1166 | |
975 | memofs += len; |
1167 | namesoffs += len; |
|
|
1168 | ++dentoffs; |
976 | } |
1169 | } |
977 | } |
1170 | } |
978 | |
1171 | else |
979 | if (errno) |
|
|
980 | res = -1; |
|
|
981 | |
|
|
982 | req->result = res; |
1172 | req->result = -1; |
|
|
1173 | |
|
|
1174 | /* if user doesn't want the dents, do not provide it */ |
|
|
1175 | if (!(flags & EIO_READDIR_DENTS)) |
|
|
1176 | { |
|
|
1177 | X_LOCK (wrklock); |
|
|
1178 | free (dents); |
|
|
1179 | req->ptr2 = req->ptr1; |
|
|
1180 | req->ptr1 = 0; |
|
|
1181 | X_UNLOCK (wrklock); |
|
|
1182 | } |
983 | } |
1183 | } |
984 | |
1184 | |
985 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1185 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
|
|
1186 | # undef msync |
986 | # define msync(a,b,c) ENOSYS |
1187 | # define msync(a,b,c) ((errno = ENOSYS), -1) |
987 | #endif |
1188 | #endif |
988 | |
1189 | |
989 | int |
1190 | int |
990 | eio__mtouch (void *mem, size_t len, int flags) |
1191 | eio__mtouch (void *mem, size_t len, int flags) |
991 | { |
1192 | { |
… | |
… | |
1185 | case EIO_SYNC: req->result = 0; sync (); break; |
1386 | case EIO_SYNC: req->result = 0; sync (); break; |
1186 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1387 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1187 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1388 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1188 | case EIO_MSYNC: req->result = msync (req->ptr2, req->size, req->int1); break; |
1389 | case EIO_MSYNC: req->result = msync (req->ptr2, req->size, req->int1); break; |
1189 | case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; |
1390 | case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; |
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1391 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
1190 | |
1392 | |
1191 | case EIO_READDIR: eio__scandir (req, self); break; |
1393 | case EIO_READDIR: eio__scandir (req, self); break; |
1192 | |
1394 | |
1193 | case EIO_BUSY: |
1395 | case EIO_BUSY: |
1194 | #ifdef _WIN32 |
1396 | #ifdef _WIN32 |
… | |
… | |
1226 | |
1428 | |
1227 | req->result = req->type == EIO_FUTIME |
1429 | req->result = req->type == EIO_FUTIME |
1228 | ? futimes (req->int1, times) |
1430 | ? futimes (req->int1, times) |
1229 | : utimes (req->ptr1, times); |
1431 | : utimes (req->ptr1, times); |
1230 | } |
1432 | } |
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|
1433 | break; |
1231 | |
1434 | |
1232 | case EIO_GROUP: |
1435 | case EIO_GROUP: |
1233 | abort (); /* handled in eio_request */ |
1436 | abort (); /* handled in eio_request */ |
1234 | |
1437 | |
1235 | case EIO_NOP: |
1438 | case EIO_NOP: |
… | |
… | |
1278 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
1481 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
1279 | { |
1482 | { |
1280 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1483 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1281 | } |
1484 | } |
1282 | |
1485 | |
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1486 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
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|
1487 | { |
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|
1488 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
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|
1489 | } |
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1490 | |
1283 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
1491 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
1284 | { |
1492 | { |
1285 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
1493 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
1286 | } |
1494 | } |
1287 | |
1495 | |
… | |
… | |
1399 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data) |
1607 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data) |
1400 | { |
1608 | { |
1401 | return eio__1path (EIO_RMDIR, path, pri, cb, data); |
1609 | return eio__1path (EIO_RMDIR, path, pri, cb, data); |
1402 | } |
1610 | } |
1403 | |
1611 | |
1404 | eio_req *eio_readdir (const char *path, int pri, eio_cb cb, void *data) |
1612 | eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data) |
1405 | { |
1613 | { |
1406 | return eio__1path (EIO_READDIR, path, pri, cb, data); |
1614 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
1407 | } |
1615 | } |
1408 | |
1616 | |
1409 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1617 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1410 | { |
1618 | { |
1411 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
1619 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
… | |
… | |
1480 | |
1688 | |
1481 | void eio_grp_add (eio_req *grp, eio_req *req) |
1689 | void eio_grp_add (eio_req *grp, eio_req *req) |
1482 | { |
1690 | { |
1483 | assert (("cannot add requests to IO::AIO::GRP after the group finished", grp->int1 != 2)); |
1691 | assert (("cannot add requests to IO::AIO::GRP after the group finished", grp->int1 != 2)); |
1484 | |
1692 | |
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1693 | grp->flags |= EIO_FLAG_GROUPADD; |
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1694 | |
1485 | ++grp->size; |
1695 | ++grp->size; |
1486 | req->grp = grp; |
1696 | req->grp = grp; |
1487 | |
1697 | |
1488 | req->grp_prev = 0; |
1698 | req->grp_prev = 0; |
1489 | req->grp_next = grp->grp_first; |
1699 | req->grp_next = grp->grp_first; |