From c0adda8b79ffe068586600f0a17dfa8a03a4c247 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Mon, 6 Oct 2008 08:55:23 +0000
Subject: - disentangle REALTIME from ADVANCED_REALTIME (Peter S. Mazinger)

---
 librt/mq_receive.c | 38 +++++++++++++++++++++++---------------
 librt/mq_send.c    | 37 +++++++++++++++++++++++--------------
 2 files changed, 46 insertions(+), 29 deletions(-)

(limited to 'librt')

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
-- 
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