sys_mq_getsetattr 482 include/linux/syscalls.h asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); sys_mq_getsetattr 135 ipc/compat_mq.c ret = sys_mq_getsetattr(mqdes,