umount2.s

来自「glibc 库, 不仅可以学习使用库函数,还可以学习函数的具体实现,是提高功力的」· S 代码 · 共 14 行

/* umount system call with two parameters.  */

#include <sysdep.h>
#if defined __NR_oldumount || defined __NR_umount2
#ifdef __NR_oldumount
PSEUDO (__umount2, umount, 2)
#else
PSEUDO (__umount2, umount2, 2)
#endif
	ret
PSEUDO_END(__umount2)
weak_alias (__umount2, umount2)
#endif