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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-10-06 08:55:23 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-10-06 08:55:23 +0000
commitc0adda8b79ffe068586600f0a17dfa8a03a4c247 (patch)
tree64911e571c69aa0bb1adb6a966d28e539d3b2bc4
parent74af396f2b8141de2a932bdf09f6e1ff0d7f1f82 (diff)
- disentangle REALTIME from ADVANCED_REALTIME (Peter S. Mazinger)
-rw-r--r--extra/Configs/Config.in2
-rw-r--r--librt/mq_receive.c38
-rw-r--r--librt/mq_send.c37
3 files changed, 46 insertions, 31 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 87cd21af7..088a8838e 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -802,8 +802,6 @@ config UCLIBC_SV4_DEPRECATED
config UCLIBC_HAS_REALTIME
bool "Realtime-related family of SUSv functions"
default y
- # glitch in mq_{send,receive} currently forces this on
- select UCLIBC_HAS_ADVANCED_REALTIME
help
These functions are part of the Timers option and need not
be available on all implementations.
diff --git a/librt/mq_receive.c b/librt/mq_receive.c
index 3da88f391..c0392b0f9 100644
--- a/librt/mq_receive.c
+++ b/librt/mq_receive.c
@@ -6,16 +6,13 @@
#include <stddef.h>
#include <sys/syscall.h>
#include <mqueue.h>
-#warning FIXME: hard dependency on ADVANCED REALTIME feature
-librt_hidden_proto(mq_timedreceive)
#ifdef __NR_mq_timedreceive
#define __NR___syscall_mq_timedreceive __NR_mq_timedreceive
-static __inline__ _syscall5(int, __syscall_mq_timedreceive, int, mqdes,
- char *, msg_ptr, size_t, msg_len, unsigned int *,
- msg_prio, const void *, abs_timeout);
-#endif
-
+static _syscall5(int, __syscall_mq_timedreceive, int, mqdes,
+ char *, msg_ptr, size_t, msg_len, unsigned int *,
+ msg_prio, const void *, abs_timeout)
+# if defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__
/*
* Receive the oldest from highest priority messages.
* Stop waiting if abs_timeout expires.
@@ -24,20 +21,31 @@ ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned int *msg_prio,
const struct timespec *abs_timeout)
{
-#ifdef __NR_mq_timedreceive
return __syscall_mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio,
abs_timeout);
-#else
- errno = ENOSYS;
- return -1;
-#endif
}
-
-librt_hidden_def(mq_timedreceive)
+# endif
/* Receive the oldest from highest priority messages */
ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned int *msg_prio)
{
- return mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+ return __syscall_mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
}
+#elif defined __UCLIBC_HAS_STUBS__
+# if defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__
+ssize_t mq_timedreceive(mqd_t mqdes attribute_unused, char *msg_ptr attribute_unused,
+ size_t msg_len attribute_unused, unsigned int *msg_prio attribute_unused,
+ const struct timespec *abs_timeout attribute_unused)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+# endif
+ssize_t mq_receive(mqd_t mqdes attribute_unused, char *msg_ptr attribute_unused,
+ size_t msg_len attribute_unused, unsigned int *msg_prio attribute_unused)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
diff --git a/librt/mq_send.c b/librt/mq_send.c
index 446ecc89a..4c1a492b4 100644
--- a/librt/mq_send.c
+++ b/librt/mq_send.c
@@ -6,16 +6,14 @@
#include <stddef.h>
#include <sys/syscall.h>
#include <mqueue.h>
-#warning FIXME: hard dependency on ADVANCED REALTIME feature
-librt_hidden_proto(mq_timedsend)
#ifdef __NR_mq_timedsend
#define __NR___syscall_mq_timedsend __NR_mq_timedsend
-static __inline__ _syscall5(int, __syscall_mq_timedsend, int, mqdes,
- const char *, msg_ptr, size_t, msg_len, unsigned int,
- msg_prio, const void *, abs_timeout);
-#endif
+static _syscall5(int, __syscall_mq_timedsend, int, mqdes,
+ const char *, msg_ptr, size_t, msg_len, unsigned int,
+ msg_prio, const void *, abs_timeout);
+# if defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__
/*
* Add a message to queue. If O_NONBLOCK is set and queue is full, wait
* for sufficient room in the queue until abs_timeout expires.
@@ -23,20 +21,31 @@ static __inline__ _syscall5(int, __syscall_mq_timedsend, int, mqdes,
int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
unsigned int msg_prio, const struct timespec *abs_timeout)
{
-#ifdef __NR_mq_timedsend
return __syscall_mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio,
abs_timeout);
-#else
- errno = ENOSYS;
- return -1;
-#endif
}
-
-librt_hidden_def(mq_timedsend)
+# endif
/* Add a message to queue */
int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
unsigned int msg_prio)
{
- return mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+ return __syscall_mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+}
+#elif defined __UCLIBC_HAS_STUBS__
+# if defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__
+int mq_timedsend(mqd_t mqdes attribute_unused, const char *msg_ptr attribute_unused,
+ size_t msg_len attribute_unused, unsigned int msg_prio attribute_unused,
+ const struct timespec *abs_timeout attribute_unused)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+# endif
+int mq_send(mqd_t mqdes attribute_unused, const char *msg_ptr attribute_unused,
+ size_t msg_len attribute_unused, unsigned int msg_prio attribute_unused)
+{
+ __set_errno(ENOSYS);
+ return -1;
}
+#endif