| 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 | * |
| … | |
… | |
| 68 | #endif |
68 | #endif |
| 69 | |
69 | |
| 70 | #ifdef _WIN32 |
70 | #ifdef _WIN32 |
| 71 | |
71 | |
| 72 | /*doh*/ |
72 | /*doh*/ |
| 73 | |
|
|
| 74 | #else |
73 | #else |
| 75 | |
74 | |
| 76 | # include "config.h" |
75 | # include "config.h" |
| 77 | # include <sys/time.h> |
76 | # include <sys/time.h> |
| 78 | # include <sys/select.h> |
77 | # include <sys/select.h> |
|
|
78 | # include <sys/mman.h> |
| 79 | # include <unistd.h> |
79 | # include <unistd.h> |
| 80 | # include <utime.h> |
80 | # include <utime.h> |
| 81 | # include <signal.h> |
81 | # include <signal.h> |
| 82 | # include <dirent.h> |
82 | # include <dirent.h> |
|
|
83 | |
|
|
84 | /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ |
|
|
85 | # if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) |
|
|
86 | # define _DIRENT_HAVE_D_TYPE /* sigh */ |
|
|
87 | # define D_INO(de) (de)->d_fileno |
|
|
88 | # define D_NAMLEN(de) (de)->d_namlen |
|
|
89 | # elif defined(__linux) || defined(d_ino) || _XOPEN_SOURCE >= 600 |
|
|
90 | # define D_INO(de) (de)->d_ino |
|
|
91 | # endif |
|
|
92 | |
|
|
93 | #ifdef _D_EXACT_NAMLEN |
|
|
94 | # undef D_NAMLEN |
|
|
95 | # define D_NAMLEN(de) _D_EXACT_NAMLEN (de) |
|
|
96 | #endif |
|
|
97 | |
|
|
98 | # ifdef _DIRENT_HAVE_D_TYPE |
|
|
99 | # define D_TYPE(de) (de)->d_type |
|
|
100 | # endif |
| 83 | |
101 | |
| 84 | # ifndef EIO_STRUCT_DIRENT |
102 | # ifndef EIO_STRUCT_DIRENT |
| 85 | # define EIO_STRUCT_DIRENT struct dirent |
103 | # define EIO_STRUCT_DIRENT struct dirent |
| 86 | # endif |
104 | # endif |
| 87 | |
105 | |
| … | |
… | |
| 100 | # else |
118 | # else |
| 101 | # error sendfile support requested but not available |
119 | # error sendfile support requested but not available |
| 102 | # endif |
120 | # endif |
| 103 | #endif |
121 | #endif |
| 104 | |
122 | |
|
|
123 | #ifndef D_TYPE |
|
|
124 | # define D_TYPE(de) 0 |
|
|
125 | #endif |
|
|
126 | #ifndef D_INO |
|
|
127 | # define D_INO(de) 0 |
|
|
128 | #endif |
|
|
129 | #ifndef D_NAMLEN |
|
|
130 | # define D_NAMLEN(de) strlen ((de)->d_name) |
|
|
131 | #endif |
|
|
132 | |
| 105 | /* number of seconds after which an idle threads exit */ |
133 | /* number of seconds after which an idle threads exit */ |
| 106 | #define IDLE_TIMEOUT 10 |
134 | #define IDLE_TIMEOUT 10 |
| 107 | |
135 | |
| 108 | /* used for struct dirent, AIX doesn't provide it */ |
136 | /* used for struct dirent, AIX doesn't provide it */ |
| 109 | #ifndef NAME_MAX |
137 | #ifndef NAME_MAX |
| … | |
… | |
| 159 | if (wrk->dirp) \ |
187 | if (wrk->dirp) \ |
| 160 | { \ |
188 | { \ |
| 161 | closedir (wrk->dirp); \ |
189 | closedir (wrk->dirp); \ |
| 162 | wrk->dirp = 0; \ |
190 | wrk->dirp = 0; \ |
| 163 | } |
191 | } |
|
|
192 | |
| 164 | #define ETP_WORKER_COMMON \ |
193 | #define ETP_WORKER_COMMON \ |
| 165 | void *dbuf; \ |
194 | void *dbuf; \ |
| 166 | DIR *dirp; |
195 | DIR *dirp; |
| 167 | |
196 | |
| 168 | /*****************************************************************************/ |
197 | /*****************************************************************************/ |
| … | |
… | |
| 961 | } |
990 | } |
| 962 | |
991 | |
| 963 | return res; |
992 | return res; |
| 964 | } |
993 | } |
| 965 | |
994 | |
|
|
995 | static signed char |
|
|
996 | eio_dent_cmp (const eio_dirent *a, const eio_dirent *b) |
|
|
997 | { |
|
|
998 | return b->score - a->score ? b->score - a->score /* works because our signed char is always 0..100 */ |
|
|
999 | : a->inode < b->inode ? -1 : a->inode > b->inode ? 1 : 0; |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | #define EIO_DENT_CMP(i,op,j) eio_dent_cmp (&i, &j) op 0 |
|
|
1003 | |
|
|
1004 | #define EIO_QSORT_CUTOFF 30 /* quite high, but performs well on many filesystems */ |
|
|
1005 | #define EIO_QSORT_SKIP 60 /* when to skip qsort completely */ |
|
|
1006 | |
|
|
1007 | static void |
|
|
1008 | eio_dent_sort (eio_dirent *dents, int size) |
|
|
1009 | { |
|
|
1010 | int i, j; |
|
|
1011 | |
|
|
1012 | if (size <= 1) |
|
|
1013 | return; /* our insertion sort relies on size > 0 */ |
|
|
1014 | |
|
|
1015 | if (size > EIO_QSORT_SKIP) /* skip quicksort for small directories */ |
|
|
1016 | { |
|
|
1017 | /* first, use quicksort */ |
|
|
1018 | /* should be good for 2**31 entries */ |
|
|
1019 | struct rng { int l, r; } rng [32]; |
|
|
1020 | |
|
|
1021 | i = 0; |
|
|
1022 | rng[0].l = 0; |
|
|
1023 | rng[0].r = size; |
|
|
1024 | |
|
|
1025 | while (expect_true (i >= 0)) |
|
|
1026 | { |
|
|
1027 | int L = rng [i].l; |
|
|
1028 | int R = rng [i].r - 1; |
|
|
1029 | |
|
|
1030 | if (expect_false (L + EIO_QSORT_CUTOFF < R)) |
|
|
1031 | { |
|
|
1032 | eio_dirent piv = dents [L]; |
|
|
1033 | |
|
|
1034 | while (L < R) |
|
|
1035 | { |
|
|
1036 | while (EIO_DENT_CMP (dents [R], >=, piv) && L < R) |
|
|
1037 | --R; |
|
|
1038 | |
|
|
1039 | if (L < R) |
|
|
1040 | dents [L++] = dents [R]; |
|
|
1041 | |
|
|
1042 | while (EIO_DENT_CMP (dents [L], <=, piv) && L < R) |
|
|
1043 | ++L; |
|
|
1044 | |
|
|
1045 | if (L < R) |
|
|
1046 | dents [R--] = dents [L]; |
|
|
1047 | } |
|
|
1048 | |
|
|
1049 | dents [L] = piv; |
|
|
1050 | |
|
|
1051 | ++i; |
|
|
1052 | rng [i].l = L + 1; |
|
|
1053 | rng [i].r = rng [i - 1].r; |
|
|
1054 | rng [i - 1].r = L; |
|
|
1055 | |
|
|
1056 | if (rng [i].r - rng [i].l > rng [i - 1].r - rng [i - 1].l) |
|
|
1057 | { |
|
|
1058 | struct rng t; |
|
|
1059 | |
|
|
1060 | t = rng [i]; rng [i] = rng [i - 1]; rng [i - 1] = t; |
|
|
1061 | } |
|
|
1062 | } |
|
|
1063 | else |
|
|
1064 | --i; |
|
|
1065 | } |
|
|
1066 | } |
|
|
1067 | |
|
|
1068 | /* use an insertion sort after qsort, or for small arrays */ |
|
|
1069 | /* first move the smallest element to the front, to act as a sentinel */ |
|
|
1070 | { |
|
|
1071 | int min = 0; |
|
|
1072 | |
|
|
1073 | for (i = size > EIO_QSORT_SKIP ? EIO_QSORT_CUTOFF : size; --i; ) |
|
|
1074 | if (EIO_DENT_CMP (dents [i], <, dents [min])) |
|
|
1075 | min = i; |
|
|
1076 | |
|
|
1077 | /* swap elements 0 and j (minimum) */ |
|
|
1078 | { |
|
|
1079 | eio_dirent tmp = dents [0]; dents [0] = dents [min]; dents [min] = tmp; |
|
|
1080 | } |
|
|
1081 | } |
|
|
1082 | |
|
|
1083 | /* then do standard insertion sort */ |
|
|
1084 | for (i = 1; i < size; ++i) |
|
|
1085 | { |
|
|
1086 | eio_dirent value = dents [i]; |
|
|
1087 | |
|
|
1088 | for (j = i - 1; EIO_DENT_CMP (dents [j], >, value); --j) |
|
|
1089 | dents [j + 1] = dents [j]; |
|
|
1090 | |
|
|
1091 | dents [j + 1] = value; |
|
|
1092 | } |
|
|
1093 | } |
|
|
1094 | |
| 966 | /* read a full directory */ |
1095 | /* read a full directory */ |
| 967 | static void |
1096 | static void |
| 968 | eio__scandir (eio_req *req, etp_worker *self) |
1097 | eio__scandir (eio_req *req, etp_worker *self) |
| 969 | { |
1098 | { |
| 970 | DIR *dirp; |
1099 | DIR *dirp; |
| 971 | EIO_STRUCT_DIRENT *entp; |
1100 | EIO_STRUCT_DIRENT *entp; |
| 972 | char *name, *names; |
1101 | char *name, *names; |
| 973 | int memlen = 4096; |
1102 | int namesalloc = 4096; |
| 974 | int memofs = 0; |
1103 | int namesoffs = 0; |
|
|
1104 | int flags = req->int1; |
|
|
1105 | eio_dirent *dents = 0; |
|
|
1106 | int dentalloc = 128; |
| 975 | int res = 0; |
1107 | int dentoffs = 0; |
|
|
1108 | |
|
|
1109 | req->result = -1; |
|
|
1110 | |
|
|
1111 | if (!(flags & EIO_READDIR_DENTS)) |
|
|
1112 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
| 976 | |
1113 | |
| 977 | X_LOCK (wrklock); |
1114 | X_LOCK (wrklock); |
| 978 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1115 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
| 979 | self->dirp = dirp = opendir (req->ptr1); |
1116 | self->dirp = dirp = opendir (req->ptr1); |
| 980 | req->flags |= EIO_FLAG_PTR2_FREE; |
1117 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
| 981 | req->ptr2 = names = malloc (memlen); |
1118 | req->ptr1 = names = malloc (namesalloc); |
|
|
1119 | req->ptr2 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
| 982 | X_UNLOCK (wrklock); |
1120 | X_UNLOCK (wrklock); |
| 983 | |
1121 | |
| 984 | if (dirp && names) |
1122 | if (dirp && names && (!flags || dents)) |
| 985 | for (;;) |
1123 | for (;;) |
| 986 | { |
1124 | { |
| 987 | errno = 0; |
1125 | errno = 0; |
| 988 | entp = readdir (dirp); |
1126 | entp = readdir (dirp); |
| 989 | |
1127 | |
| 990 | if (!entp) |
1128 | if (!entp) |
|
|
1129 | { |
|
|
1130 | if (errno) |
|
|
1131 | break; |
|
|
1132 | |
|
|
1133 | /* sort etc. */ |
|
|
1134 | req->int1 = flags; |
|
|
1135 | req->result = dentoffs; |
|
|
1136 | |
|
|
1137 | if (dents) |
|
|
1138 | { |
|
|
1139 | eio_dirent *ent = dents + dentoffs; |
|
|
1140 | |
|
|
1141 | while (ent > dents) |
|
|
1142 | (--ent)->name = names + (size_t)ent->name; |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | if (flags & EIO_READDIR_STAT_ORDER |
|
|
1146 | || !(~flags & (EIO_READDIR_DIRS_FIRST | EIO_READDIR_FOUND_UNKNOWN))) |
|
|
1147 | eio_dent_sort (dents, dentoffs); /* score depends of DIRS_FIRST */ |
|
|
1148 | else if (flags & EIO_READDIR_DIRS_FIRST) |
|
|
1149 | { |
|
|
1150 | /* in this case, all is known, and we just put dirs first and sort them */ |
|
|
1151 | eio_dirent *ent = dents + dentoffs; |
|
|
1152 | eio_dirent *dir = dents; |
|
|
1153 | |
|
|
1154 | /* now move dirs to the front, and non-dirs to the back */ |
|
|
1155 | /* by walking from both sides and swapping if necessary */ |
|
|
1156 | while (ent > dir) |
|
|
1157 | { |
|
|
1158 | if (dir->type == DT_DIR) |
|
|
1159 | ++dir; |
|
|
1160 | else |
|
|
1161 | { |
|
|
1162 | --ent; |
|
|
1163 | |
|
|
1164 | if (ent->type == DT_DIR) |
|
|
1165 | { |
|
|
1166 | eio_dirent tmp = *dir; |
|
|
1167 | *dir = *ent; |
|
|
1168 | *ent = tmp; |
|
|
1169 | |
|
|
1170 | ++dir; |
|
|
1171 | } |
|
|
1172 | } |
|
|
1173 | } |
|
|
1174 | |
|
|
1175 | /* now sort the dirs only */ |
|
|
1176 | eio_dent_sort (dents, dir - dents); |
|
|
1177 | } |
|
|
1178 | |
|
|
1179 | /* only provide the names array unless DENTS is specified */ |
|
|
1180 | if (!(flags & EIO_READDIR_DENTS)) |
|
|
1181 | { |
|
|
1182 | X_LOCK (wrklock); |
|
|
1183 | assert (!dents); |
|
|
1184 | req->ptr1 = 0; |
|
|
1185 | req->ptr2 = names; |
|
|
1186 | X_UNLOCK (wrklock); |
|
|
1187 | } |
|
|
1188 | |
| 991 | break; |
1189 | break; |
|
|
1190 | } |
| 992 | |
1191 | |
|
|
1192 | /* now add the entry to our list(s) */ |
| 993 | name = entp->d_name; |
1193 | name = entp->d_name; |
| 994 | |
1194 | |
|
|
1195 | /* skip . and .. entries */ |
| 995 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
1196 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
| 996 | { |
1197 | { |
| 997 | int len = strlen (name) + 1; |
1198 | int len = D_NAMLEN (entp) + 1; |
| 998 | |
1199 | |
| 999 | res++; |
1200 | while (expect_false (namesoffs + len > namesalloc)) |
| 1000 | |
|
|
| 1001 | while (memofs + len > memlen) |
|
|
| 1002 | { |
1201 | { |
| 1003 | memlen *= 2; |
1202 | namesalloc *= 2; |
| 1004 | X_LOCK (wrklock); |
1203 | X_LOCK (wrklock); |
| 1005 | req->ptr2 = names = realloc (names, memlen); |
1204 | req->ptr1 = names = realloc (names, namesalloc); |
| 1006 | X_UNLOCK (wrklock); |
1205 | X_UNLOCK (wrklock); |
| 1007 | |
1206 | |
| 1008 | if (!names) |
1207 | if (!names) |
| 1009 | break; |
1208 | break; |
| 1010 | } |
1209 | } |
| 1011 | |
1210 | |
| 1012 | memcpy (names + memofs, name, len); |
1211 | memcpy (names + namesoffs, name, len); |
|
|
1212 | |
|
|
1213 | if (dents) |
|
|
1214 | { |
|
|
1215 | struct eio_dirent *ent; |
|
|
1216 | |
|
|
1217 | if (expect_false (dentoffs == dentalloc)) |
|
|
1218 | { |
|
|
1219 | dentalloc *= 2; |
|
|
1220 | X_LOCK (wrklock); |
|
|
1221 | req->ptr2 = dents = realloc (dents, dentalloc * sizeof (eio_dirent)); |
|
|
1222 | X_UNLOCK (wrklock); |
|
|
1223 | |
|
|
1224 | if (!dents) |
|
|
1225 | break; |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | ent = dents + dentoffs; |
|
|
1229 | |
|
|
1230 | ent->name = (char *)(size_t)namesoffs; /* rather dirtily we store the offset in the pointer */ |
|
|
1231 | ent->namelen = len - 1; |
|
|
1232 | ent->inode = D_INO (entp); |
|
|
1233 | |
|
|
1234 | switch (D_TYPE (entp)) |
|
|
1235 | { |
|
|
1236 | default: |
|
|
1237 | ent->type = EIO_DT_UNKNOWN; |
|
|
1238 | flags |= EIO_READDIR_FOUND_UNKNOWN; |
|
|
1239 | break; |
|
|
1240 | |
|
|
1241 | #ifdef DT_FIFO |
|
|
1242 | case DT_FIFO: ent->type = EIO_DT_FIFO; break; |
|
|
1243 | #endif |
|
|
1244 | #ifdef DT_CHR |
|
|
1245 | case DT_CHR: ent->type = EIO_DT_CHR; break; |
|
|
1246 | #endif |
|
|
1247 | #ifdef DT_MPC |
|
|
1248 | case DT_MPC: ent->type = EIO_DT_MPC; break; |
|
|
1249 | #endif |
|
|
1250 | #ifdef DT_DIR |
|
|
1251 | case DT_DIR: ent->type = EIO_DT_DIR; break; |
|
|
1252 | #endif |
|
|
1253 | #ifdef DT_NAM |
|
|
1254 | case DT_NAM: ent->type = EIO_DT_NAM; break; |
|
|
1255 | #endif |
|
|
1256 | #ifdef DT_BLK |
|
|
1257 | case DT_BLK: ent->type = EIO_DT_BLK; break; |
|
|
1258 | #endif |
|
|
1259 | #ifdef DT_MPB |
|
|
1260 | case DT_MPB: ent->type = EIO_DT_MPB; break; |
|
|
1261 | #endif |
|
|
1262 | #ifdef DT_REG |
|
|
1263 | case DT_REG: ent->type = EIO_DT_REG; break; |
|
|
1264 | #endif |
|
|
1265 | #ifdef DT_NWK |
|
|
1266 | case DT_NWK: ent->type = EIO_DT_NWK; break; |
|
|
1267 | #endif |
|
|
1268 | #ifdef DT_CMP |
|
|
1269 | case DT_CMP: ent->type = EIO_DT_CMP; break; |
|
|
1270 | #endif |
|
|
1271 | #ifdef DT_LNK |
|
|
1272 | case DT_LNK: ent->type = EIO_DT_LNK; break; |
|
|
1273 | #endif |
|
|
1274 | #ifdef DT_SOCK |
|
|
1275 | case DT_SOCK: ent->type = EIO_DT_SOCK; break; |
|
|
1276 | #endif |
|
|
1277 | #ifdef DT_DOOR |
|
|
1278 | case DT_DOOR: ent->type = EIO_DT_DOOR; break; |
|
|
1279 | #endif |
|
|
1280 | #ifdef DT_WHT |
|
|
1281 | case DT_WHT: ent->type = EIO_DT_WHT; break; |
|
|
1282 | #endif |
|
|
1283 | } |
|
|
1284 | |
|
|
1285 | ent->score = 0; |
|
|
1286 | |
|
|
1287 | if (flags & EIO_READDIR_DIRS_FIRST) |
|
|
1288 | { |
|
|
1289 | if (ent->type == EIO_DT_UNKNOWN) |
|
|
1290 | { |
|
|
1291 | if (*name == '.') /* leading dots are likely directories, and, in any case, rare */ |
|
|
1292 | ent->score = 98; |
|
|
1293 | else if (!strchr (name, '.')) /* absense of dots indicate likely dirs */ |
|
|
1294 | ent->score = len <= 2 ? len + 6 : len <= 4 ? 5 : len <= 7 ? 4 : 1; /* shorter == more likely dir, but avoid too many classes */ |
|
|
1295 | } |
|
|
1296 | else if (ent->type == EIO_DT_DIR) |
|
|
1297 | ent->score = 100; |
|
|
1298 | } |
|
|
1299 | } |
|
|
1300 | |
| 1013 | memofs += len; |
1301 | namesoffs += len; |
|
|
1302 | ++dentoffs; |
|
|
1303 | } |
|
|
1304 | |
|
|
1305 | if (EIO_CANCELLED (req)) |
|
|
1306 | { |
|
|
1307 | errno = ECANCELED; |
|
|
1308 | break; |
| 1014 | } |
1309 | } |
| 1015 | } |
1310 | } |
| 1016 | |
|
|
| 1017 | if (errno) |
|
|
| 1018 | res = -1; |
|
|
| 1019 | |
|
|
| 1020 | req->result = res; |
|
|
| 1021 | } |
1311 | } |
| 1022 | |
1312 | |
| 1023 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
1313 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
| 1024 | # undef msync |
1314 | # undef msync |
| 1025 | # define msync(a,b,c) ((errno = ENOSYS), -1) |
1315 | # define msync(a,b,c) ((errno = ENOSYS), -1) |
| … | |
… | |
| 1445 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data) |
1735 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data) |
| 1446 | { |
1736 | { |
| 1447 | return eio__1path (EIO_RMDIR, path, pri, cb, data); |
1737 | return eio__1path (EIO_RMDIR, path, pri, cb, data); |
| 1448 | } |
1738 | } |
| 1449 | |
1739 | |
| 1450 | eio_req *eio_readdir (const char *path, int pri, eio_cb cb, void *data) |
1740 | eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data) |
| 1451 | { |
1741 | { |
| 1452 | return eio__1path (EIO_READDIR, path, pri, cb, data); |
1742 | REQ (EIO_READDIR); PATH; req->int1 = flags; SEND; |
| 1453 | } |
1743 | } |
| 1454 | |
1744 | |
| 1455 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1745 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
| 1456 | { |
1746 | { |
| 1457 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
1747 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int3 = (long)dev; SEND; |
| … | |
… | |
| 1546 | /* misc garbage */ |
1836 | /* misc garbage */ |
| 1547 | |
1837 | |
| 1548 | ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
1838 | ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
| 1549 | { |
1839 | { |
| 1550 | etp_worker wrk; |
1840 | etp_worker wrk; |
|
|
1841 | ssize_t ret; |
| 1551 | |
1842 | |
| 1552 | wrk.dbuf = 0; |
1843 | wrk.dbuf = 0; |
| 1553 | |
1844 | |
| 1554 | eio__sendfile (ofd, ifd, offset, count, &wrk); |
1845 | ret = eio__sendfile (ofd, ifd, offset, count, &wrk); |
| 1555 | |
1846 | |
| 1556 | if (wrk.dbuf) |
1847 | if (wrk.dbuf) |
| 1557 | free (wrk.dbuf); |
1848 | free (wrk.dbuf); |
| 1558 | } |
|
|
| 1559 | |
1849 | |
|
|
1850 | return ret; |
|
|
1851 | } |
|
|
1852 | |
