add support for POSIX message queues, except mq_notify

1 files changed, 23 insertions, 0 deletions

diff --git a/src/mq/mq_open.c b/src/mq/mq_open.c
new file mode 100644
index 00000000..57220a2b
--- /dev/null
+++ b/src/mq/mq_open.c
@@ -0,0 +1,23 @@
+#include <mqueue.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdarg.h>
+#include "syscall.h"
+
+mqd_t mq_open(const char *name, int flags, ...)
+{
+	mode_t mode = 0;
+	struct mq_attr *attr = 0;
+	if (*name++ != '/') {
+		errno = EINVAL;
+		return -1;
+	}
+	if (flags & O_CREAT) {
+		va_list ap;
+		va_start(ap, flags);
+		mode = va_arg(ap, mode_t);
+		attr = va_arg(ap, struct mq_attr *);
+		va_end(ap);
+	}
+	return syscall(SYS_mq_open, name, flags, mode, attr);
+}