1 | /* Send a message to a message queue with a timeout. Linux version. |
2 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <mqueue.h> |
20 | #include <sysdep-cancel.h> |
21 | |
22 | /* Add message pointed by MSG_PTR to message queue MQDES, stop blocking |
23 | on full message queue if ABS_TIMEOUT expires. */ |
24 | int |
25 | __mq_timedsend_time64 (mqd_t mqdes, const char *msg_ptr, size_t msg_len, |
26 | unsigned int msg_prio, |
27 | const struct __timespec64 *abs_timeout) |
28 | { |
29 | #ifdef __ASSUME_TIME64_SYSCALLS |
30 | # ifndef __NR_mq_timedsend_time64 |
31 | # define __NR_mq_timedsend_time64 __NR_mq_timedsend |
32 | # endif |
33 | return SYSCALL_CANCEL (mq_timedsend_time64, mqdes, msg_ptr, msg_len, |
34 | msg_prio, abs_timeout); |
35 | #else |
36 | int ret = SYSCALL_CANCEL (mq_timedsend_time64, mqdes, msg_ptr, msg_len, |
37 | msg_prio, abs_timeout); |
38 | if (ret == 0 || errno != ENOSYS) |
39 | return ret; |
40 | |
41 | struct timespec ts32; |
42 | if (abs_timeout != NULL) |
43 | { |
44 | if (! in_time_t_range (abs_timeout->tv_sec)) |
45 | { |
46 | __set_errno (EOVERFLOW); |
47 | return -1; |
48 | } |
49 | |
50 | ts32 = valid_timespec64_to_timespec (*abs_timeout); |
51 | } |
52 | |
53 | return SYSCALL_CANCEL (mq_timedsend, mqdes, msg_ptr, msg_len, msg_prio, |
54 | abs_timeout != NULL ? &ts32 : NULL); |
55 | #endif |
56 | } |
57 | |
58 | #if __TIMESIZE != 64 |
59 | librt_hidden_def (__mq_timedsend_time64) |
60 | |
61 | int |
62 | __mq_timedsend (mqd_t mqdes, const char *msg_ptr, size_t msg_len, |
63 | unsigned int msg_prio, const struct timespec *abs_timeout) |
64 | { |
65 | struct __timespec64 ts64; |
66 | if (abs_timeout != NULL) |
67 | ts64 = valid_timespec_to_timespec64 (*abs_timeout); |
68 | |
69 | return __mq_timedsend_time64 (mqdes, msg_ptr, msg_len, msg_prio, |
70 | abs_timeout != NULL ? &ts64 : NULL); |
71 | } |
72 | #endif |
73 | |
74 | hidden_def (__mq_timedsend) |
75 | weak_alias (__mq_timedsend, mq_timedsend) |
76 | hidden_weak (mq_timedsend) |
77 | |