[RFC,33/52] Y2038: add function __mq_timedsend_t64
Commit Message
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
---
rt/Makefile | 3 ++-
rt/Versions | 1 +
rt/mq_timedreceive_t64.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 48 insertions(+), 1 deletion(-)
create mode 100644 rt/mq_timedreceive_t64.c
@@ -37,7 +37,8 @@ timer-routines := timer_create timer_delete timer_getoverr \
shm-routines := shm_open shm_unlink
mq-routines := mq_open mq_close mq_unlink mq_getattr mq_setattr \
mq_notify mq_send mq_receive mq_timedsend \
- mq_timedreceive
+ mq_timedreceive \
+ mq_timedreceive_t64
routines = $(clock-routines)
@@ -46,5 +46,6 @@ librt {
__timer_settime64;
__timerfd_gettime64;
__timerfd_settime64;
+ __mq_timedreceive_t64;
}
}
new file mode 100644
@@ -0,0 +1,45 @@
+/* Copyright (C) 2004-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <mqueue.h>
+
+/* 64-bit time version */
+
+extern int __y2038_linux_support;
+
+/* Receive the oldest from highest priority messages in message queue
+ MQDES, stop waiting if ABS_TIMEOUT expires. */
+ssize_t
+__mq_timedreceive_t64 (mqd_t mqdes, char *__restrict msg_ptr, size_t msg_len,
+ unsigned int *__restrict msg_prio,
+ const struct timespec *__restrict abs_timeout)
+{
+ struct timespec ts32, *tsp32 = NULL;
+ if (__y2038_linux_support)
+ {
+ /* TODO: use 64-bit syscall */
+ }
+
+ if (abs_timeout)
+ {
+ ts32.tv_sec = abs_timeout->tv_sec;
+ ts32.tv_nsec = abs_timeout->tv_nsec;
+ tsp32 = &ts32;
+ }
+ return mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, tsp32);
+}