| 1 | /* Copyright (C) 2004-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <errno.h> |
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| 19 | #include <mqueue.h> |
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| 20 | #include <stdarg.h> |
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| 21 | #include <stddef.h> |
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| 22 | #include <stdio.h> |
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| 23 | #include <sysdep.h> |
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| 24 | #include <shlib-compat.h> |
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| 25 | |
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| 26 | /* Establish connection between a process and a message queue NAME and |
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| 27 | return message queue descriptor or (mqd_t) -1 on error. OFLAG determines |
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| 28 | the type of access used. If O_CREAT is on OFLAG, the third argument is |
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| 29 | taken as a `mode_t', the mode of the created message queue, and the fourth |
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| 30 | argument is taken as `struct mq_attr *', pointer to message queue |
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| 31 | attributes. If the fourth argument is NULL, default attributes are |
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| 32 | used. */ |
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| 33 | mqd_t |
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| 34 | __mq_open (const char *name, int oflag, ...) |
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| 35 | { |
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| 36 | if (name[0] != '/') |
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| 37 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
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| 38 | |
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| 39 | mode_t mode = 0; |
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| 40 | struct mq_attr *attr = NULL; |
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| 41 | if (oflag & O_CREAT) |
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| 42 | { |
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| 43 | va_list ap; |
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| 44 | |
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| 45 | va_start (ap, oflag); |
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| 46 | mode = va_arg (ap, mode_t); |
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| 47 | attr = va_arg (ap, struct mq_attr *); |
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| 48 | va_end (ap); |
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| 49 | } |
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| 50 | |
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| 51 | return INLINE_SYSCALL (mq_open, 4, name + 1, oflag, mode, attr); |
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| 52 | } |
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| 53 | versioned_symbol (libc, __mq_open, mq_open, GLIBC_2_34); |
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| 54 | #if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_4, GLIBC_2_34) |
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| 55 | compat_symbol (libc, __mq_open, mq_open, GLIBC_2_3_4); |
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| 56 | #endif |
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| 57 | |
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| 58 | mqd_t |
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| 59 | ___mq_open_2 (const char *name, int oflag) |
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| 60 | { |
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| 61 | if (oflag & O_CREAT) |
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| 62 | __fortify_fail ("invalid mq_open call: O_CREAT without mode and attr" ); |
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| 63 | |
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| 64 | return __mq_open (name, oflag); |
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| 65 | } |
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| 66 | versioned_symbol (libc, ___mq_open_2, __mq_open_2, GLIBC_2_34); |
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| 67 | #if OTHER_SHLIB_COMPAT (librt, GLIBC_2_7, GLIBC_2_34) |
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| 68 | compat_symbol (libc, ___mq_open_2, __mq_open_2, GLIBC_2_7); |
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| 69 | #endif |
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| 70 | |
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