Patch from Paul Mundt (lethal) adding an initial librt implementation.

I then reworked the syscall handling and made minor cleanups.  With luck
I've not completely broken his patch...

1 files changed, 33 insertions, 0 deletions

diff --git a/librt/mq_getsetattr.c b/librt/mq_getsetattr.c
new file mode 100644
index 000000000..4ffda26ca
--- /dev/null
+++ b/librt/mq_getsetattr.c
@@ -0,0 +1,33 @@
+/*
+ * mq_getattr.c - get message queue attributes.
+ */
+
+#include <errno.h>
+#include <stddef.h>
+#include <sys/syscall.h>
+
+#include <mqueue.h>
+
+#ifdef __NR_mq_getsetattr
+
+#define __NR___syscall_mq_getsetattr __NR_mq_getsetattr
+static inline _syscall3(int, __syscall_mq_getsetattr, int, mqdes,
+	const void *, mqstat, void *, omqstat);
+
+/*
+ * Set attributes associated with message queue (and possibly also get
+ * its old attributes)
+ */
+int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat,
+		struct mq_attr *omqstat)
+{
+    return __syscall_mq_getsetattr(mqdes, mqstat, omqstat);
+}
+
+/* Query status and attributes of message queue */
+int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat)
+{
+    return mq_setattr(mqdes, NULL, mqstat);
+}
+
+#endif