add support for POSIX message queues, except mq_notify

[musl] / src / mq / mq_open.c

diff --git a/src/mq/mq_open.c b/src/mq/mq_open.c
new file mode 100644 (file)
index 0000000..57220a2
--- /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);
+}