sys_mq_open 753 include/linux/syscalls.h asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); sys_mq_open 540 include/uapi/asm-generic/unistd.h __SC_COMP(__NR_mq_open, sys_mq_open, compat_sys_mq_open) sys_mq_open 540 tools/include/uapi/asm-generic/unistd.h __SC_COMP(__NR_mq_open, sys_mq_open, compat_sys_mq_open)