projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b168057a | 1 | /* Copyright (C) 2005-2015 Free Software Foundation, Inc. |
| 4973cbe5 UD |
2 | This file is part of the GNU C Library. |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 5 | modify it under the terms of the GNU Lesser General Public | |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
| 8 | ||
| 9 | The GNU C Library is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | Lesser General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 4973cbe5 UD |
17 | |
| 18 | #include <errno.h> | |
| 19 | #include <fcntl.h> | |
| 20 | #include <stdarg.h> | |
| 21 | #include <stddef.h> | |
| 22 | #include <stdio.h> | |
| 23 | #include <string.h> | |
| 24 | #include <sys/stat.h> | |
| 25 | #include <sysdep-cancel.h> | |
| d369ad76 | 26 | #include <not-cancel.h> |
| 4973cbe5 UD |
27 | |
| 28 | ||
| 3997b7c4 | 29 | #ifndef OPENAT |
| 4973cbe5 | 30 | # define OPENAT openat |
| 4973cbe5 UD |
31 | #endif |
| 32 | ||
| d369ad76 UD |
33 | |
| 34 | #define OPENAT_NOT_CANCEL CONCAT (OPENAT) | |
| 35 | #define CONCAT(name) CONCAT2 (name) | |
| 36 | #define CONCAT2(name) __##name##_nocancel | |
| 37 | ||
| 38 | ||
| 4973cbe5 | 39 | int |
| d369ad76 | 40 | OPENAT_NOT_CANCEL (fd, file, oflag, mode) |
| 4973cbe5 UD |
41 | int fd; |
| 42 | const char *file; | |
| 43 | int oflag; | |
| d369ad76 | 44 | mode_t mode; |
| 4973cbe5 | 45 | { |
| 7c65e900 UD |
46 | |
| 47 | /* We have to add the O_LARGEFILE flag for openat64. */ | |
| 48 | #ifdef MORE_OFLAGS | |
| 49 | oflag |= MORE_OFLAGS; | |
| 50 | #endif | |
| 51 | ||
| 809fdf0d | 52 | return INLINE_SYSCALL (openat, 4, fd, file, oflag, mode); |
| 4973cbe5 | 53 | } |
| d369ad76 | 54 | |
| e2c7e1de RM |
55 | #define UNDERIZE(name) UNDERIZE_1 (name) |
| 56 | #define UNDERIZE_1(name) __##name | |
| 57 | #define __OPENAT UNDERIZE (OPENAT) | |
| 58 | ||
| d369ad76 UD |
59 | |
| 60 | /* Open FILE with access OFLAG. Interpret relative paths relative to | |
| 61 | the directory associated with FD. If OFLAG includes O_CREAT, a | |
| 62 | third argument is the file protection. */ | |
| 63 | int | |
| e2c7e1de | 64 | __OPENAT (fd, file, oflag) |
| d369ad76 UD |
65 | int fd; |
| 66 | const char *file; | |
| 67 | int oflag; | |
| 68 | { | |
| 69 | mode_t mode = 0; | |
| 70 | if (oflag & O_CREAT) | |
| 71 | { | |
| 72 | va_list arg; | |
| 73 | va_start (arg, oflag); | |
| 74 | mode = va_arg (arg, mode_t); | |
| 75 | va_end (arg); | |
| 76 | } | |
| 77 | ||
| 78 | if (SINGLE_THREAD_P) | |
| 79 | return OPENAT_NOT_CANCEL (fd, file, oflag, mode); | |
| 80 | ||
| 81 | int oldtype = LIBC_CANCEL_ASYNC (); | |
| 82 | ||
| 83 | int res = OPENAT_NOT_CANCEL (fd, file, oflag, mode); | |
| 84 | ||
| 85 | LIBC_CANCEL_RESET (oldtype); | |
| 86 | ||
| 87 | return res; | |
| 88 | } | |
| e2c7e1de RM |
89 | libc_hidden_def (__OPENAT) |
| 90 | weak_alias (__OPENAT, OPENAT) |