sys_mq_timedreceive 480 include/linux/syscalls.h asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout); sys_mq_timedreceive 101 ipc/compat_mq.c return sys_mq_timedreceive(mqdes, u_msg_ptr, msg_len,