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* [glibc/azanella/y2038] linux: Simplify mq_timedsend
@ 2020-07-30 13:24 Adhemerval Zanella
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From: Adhemerval Zanella @ 2020-07-30 13:24 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cb4b1e09b21d5ae1cadff621a5f0fd552ee9b2b2
commit cb4b1e09b21d5ae1cadff621a5f0fd552ee9b2b2
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Jul 10 11:15:42 2020 -0300
linux: Simplify mq_timedsend
With arch-syscall.h it can now assumes the existance of either
__NR_mq_timedsend or __NR_mq_timedsend_time64. The 32-bit
time_t support is now only build for !__ASSUME_TIME64_SYSCALLS.
The internal 64-bit time_t names is also adjusted to use the
other y2038 symbol names.
Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15
kernel).
Diff:
---
include/mqueue.h | 10 +++++-----
sysdeps/unix/sysv/linux/mq_timedsend.c | 26 +++++++++++++-------------
2 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/include/mqueue.h b/include/mqueue.h
index b3ee8b7462..e0e30dc890 100644
--- a/include/mqueue.h
+++ b/include/mqueue.h
@@ -12,13 +12,13 @@ hidden_proto (mq_setattr)
# endif
#include <struct___timespec64.h>
#if __TIMESIZE == 64
-# define __mq_timedsend_time64 __mq_timedsend
+# define __mq_timedsend64 __mq_timedsend
# define __mq_timedreceive64 __mq_timedreceive
#else
-extern int __mq_timedsend_time64 (mqd_t mqdes, const char *msg_ptr,
- size_t msg_len, unsigned int msg_prio,
- const struct __timespec64 *abs_timeout);
-librt_hidden_proto (__mq_timedsend_time64)
+extern int __mq_timedsend64 (mqd_t mqdes, const char *msg_ptr,
+ size_t msg_len, unsigned int msg_prio,
+ const struct __timespec64 *abs_timeout);
+librt_hidden_proto (__mq_timedsend64)
extern ssize_t __mq_timedreceive64 (mqd_t mqdes,
char *__restrict msg_ptr,
size_t msg_len,
diff --git a/sysdeps/unix/sysv/linux/mq_timedsend.c b/sysdeps/unix/sysv/linux/mq_timedsend.c
index f2a43df300..6011db7112 100644
--- a/sysdeps/unix/sysv/linux/mq_timedsend.c
+++ b/sysdeps/unix/sysv/linux/mq_timedsend.c
@@ -22,19 +22,17 @@
/* Add message pointed by MSG_PTR to message queue MQDES, stop blocking
on full message queue if ABS_TIMEOUT expires. */
int
-__mq_timedsend_time64 (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
- unsigned int msg_prio,
- const struct __timespec64 *abs_timeout)
+__mq_timedsend64 (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+ unsigned int msg_prio,
+ const struct __timespec64 *abs_timeout)
{
-#ifdef __ASSUME_TIME64_SYSCALLS
# ifndef __NR_mq_timedsend_time64
# define __NR_mq_timedsend_time64 __NR_mq_timedsend
# endif
- return SYSCALL_CANCEL (mq_timedsend_time64, mqdes, msg_ptr, msg_len,
- msg_prio, abs_timeout);
-#else
int ret = SYSCALL_CANCEL (mq_timedsend_time64, mqdes, msg_ptr, msg_len,
- msg_prio, abs_timeout);
+ msg_prio, abs_timeout);
+
+#ifndef __ASSUME_TIME64_SYSCALLS
if (ret == 0 || errno != ENOSYS)
return ret;
@@ -50,13 +48,15 @@ __mq_timedsend_time64 (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
ts32 = valid_timespec64_to_timespec (*abs_timeout);
}
- return SYSCALL_CANCEL (mq_timedsend, mqdes, msg_ptr, msg_len, msg_prio,
- abs_timeout != NULL ? &ts32 : NULL);
+ ret = SYSCALL_CANCEL (mq_timedsend, mqdes, msg_ptr, msg_len, msg_prio,
+ abs_timeout != NULL ? &ts32 : NULL);
#endif
+
+ return ret;
}
#if __TIMESIZE != 64
-librt_hidden_def (__mq_timedsend_time64)
+librt_hidden_def (__mq_timedsend64)
int
__mq_timedsend (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
@@ -66,8 +66,8 @@ __mq_timedsend (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
if (abs_timeout != NULL)
ts64 = valid_timespec_to_timespec64 (*abs_timeout);
- return __mq_timedsend_time64 (mqdes, msg_ptr, msg_len, msg_prio,
- abs_timeout != NULL ? &ts64 : NULL);
+ return __mq_timedsend64 (mqdes, msg_ptr, msg_len, msg_prio,
+ abs_timeout != NULL ? &ts64 : NULL);
}
#endif
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