| 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 |  |